114results about How to "Easy to change regularly" patented technology

The invention discloses a tea oil filtering device and relates to the technical field of filtering equipment. The tea oil filtering device comprises a filtering barrel; the filtering barrel comprises an oil feeding pipe, an oil discharging pipe, a first filtering hopper and a second filtering hopper; the first filtering hopper has a conical structure with an opening at bottom; the first filtering hopper and the second filtering hopper both have netted structures; an oil residue box is moveably arranged at the bottom of the second filtering hopper. Three-layer filtering operation is arranged for the tea oil filtering device, so that tea oil is fully purified and filtered; with a backflow mechanism, the filtering efficiency is high; the practicability and the flexibility are high.

An electrostatic precipitator has a collector electrode collecting particulate ionized in an electric field created by a high voltage corona discharge electrode pulse energized by a pulsed high voltage power supply. The corona discharge electrode is pulsed between a baseline voltage and a peak pulse voltage.

The invention relates to the field of an electric connector, in particular to a contact element component and a hermetic seal connector using the component. The electric connector comprises a housing and the contact element component assembled in the housing; the contact element component comprises a glass insulator, at least one contact element assembled in the glass insulator and a metallic sheath arranged outside the glass insulator; the contact element and the metallic sheath are sintered together through the glass insulator; the contact element component is fixedly assembled in the housing through the metallic sheath; and the metallic sheath is matched with the housing in a sealing manner. The electric connector is capable of preventing the housing from withstanding high temperature when the contact element is assembled, and simultaneously the glass insulator and the housing are not required to be sintered and the requirement of binding ability of housing material and glass is also reduced, so that the limitation to the heat resistance of the housing material of the electric connector and the binding property of glass is solved, a user can select a lighter material as the housing material according to requirements, and the problem that the existing electric connector is heavy in weight is solved.

The invention discloses a thin roof ventilator which comprises a plurality of rows of parallel structured trusses. Outer guard plates are arranged around the structured trusses. The thin roof ventilator is characterized in that each row of structured trusses is provided with a plurality of ventilation units. Middle V-shaped rain baffles are connected between opposite ventilation units in each row. Partitions, upper v-shaped rain baffles and V-shaped catch channels are arranged between each two adjacent rows of ventilation units respectively. Windshield valve plates are hinged to each two adjacent rows of structured trusses. The thin roof ventilator has the advantages that the thin roof ventilator has natural load-carrying capacity, base materials can be saved greatly, manufacturing and installation ways of products are simplified, standardization and popularization are easy; the thin roof ventilator has the function of automatically adjusting wind shielding, external air can be prevented from flowing back, rain is prevented from leaking, unattended ventilation can be achieved; the thin roof ventilator has the function of replacing a roof, allows for large-area ventilation and lighting for buildings, is effective in ventilation and lighting and is highly functional in wind shielding regulation.

The invention provides an electric toothbrush, which belongs to the technical field of articles for daily use and solves the problems that the waterproof effect of the existing electric toothbrush is poor, and the use can be easily influenced. The electric toothbrush comprises a toothbrush handle, a toothbrush rod and a toothbrush head with brush hair, wherein a cavity is formed in the toothbrush handle, in addition, a motor and a battery compartment are arranged in the cavity, a switch capable of controlling the on-off state of the motor is also arranged on the toothbrush handle, one end of the toothbrush rod is fixedly connected with the toothbrush head, the other end of the toothbrush rod is inserted and connected into the cavity formed at the end part of the toothbrush handle and is hinged with the toothbrush handle, the motor can drive the toothbrush rod to vertically swing, and a waterproof element capable of keeping the connected part of the toothbrush rod and the toothbrush handle sealed is arranged between the toothbrush handle and the toothbrush rod. The electric toothbrush has the advantages that the waterproof effect is good, the correct toothbrushing habit can be effectively cultured, the practical value is high, and the like.

The invention discloses an external windshield. The external windshield comprises a rubber bag and two mounting bases which are arranged in parallel; each mounting base comprises a strip-shaped body and a first vertical part and a second vertical part which are perpendicular to the strip-shaped body and are arranged in parallel, wherein a groove is formed between the first vertical part and the second vertical part; the two side edges of the rubber bag are inserted into grooves of the two parallel mounting bases and fixed in the grooves. The external windshield has the advantages of being higher in structural strength, better in wear resistance, easy and convenient to mount and higher in maintainability.

The invention discloses a segmentally-discharging flow-equalizing cloth bag dust-removing device. The segmentally-discharging flow-equalizing cloth bag dust-removing device comprises a device body, wherein the device body mainly consists of a flue gas inlet, a flue gas outlet, a support frame, a base, an ash hopper and a cloth bag assembly; a plurality of runners are arranged at the bottom inside the device body; two side surfaces of the runners are fixedly connected with fixing columns; the fixing columns among the runners are in sleeve connection with casing pipes; the casing pipes are hinged with connecting rods; fixed plates are arranged in the device body; the fixed plates are fixedly connected with a plurality of precipitating barrels; barrier plates are arranged in the precipitating barrels in a sliding way; a first rotating shaft and a second rotating shaft are rotationally connected in the device body; the surfaces of the first rotating shaft and the second rotating shaft are sleeved with moving parts; cloth bag assemblies are fixedly connected among the moving parts. After flue gas enters cloth bags, the dust-removing loads of the cloth bags are lowered, and the dust-removing efficiency of the cloth bags is increased greatly; after the cloth bag assembly is used for a long time, a user can replace the cloth bag assembly periodically and conveniently, so that high dust-removing efficiency of the cloth bag assembly is ensured.

The invention discloses a process for treating heavy metal wastewater by using macroalgae, comprising the following steps: (1) wastewater pretreatment; (2) treatment in an inactive macroalgae filter pool; (3) treatment in an inactive macroalgae adsorption pool; (4) ) The reverse osmosis membrane module removes the remaining heavy metal ions (5) discharges up to the standard. The heavy metal wastewater treatment process of the present invention is simple and low in cost. Before the reverse osmosis process, an inactive macroalgae filter pool and an inactive macroalgae adsorption pool are respectively set. Effectively remove heavy metal ions, organic pollutants and inorganic pollutants in sewage, reduce the pollution load of reverse osmosis membrane modules, reduce the number of membrane module replacements, and greatly improve the anti-corrosion performance, which can be replaced regularly without causing secondary pollution.

The invention discloses a biological method-based compound compost odor filtering device and method. The biological method-based compound compost odor filtering device is characterized in that odor generated in a vessel composting process is introduced into an odor treatment device with a concrete structure through a water-cooled temperature adjustment device, a draught fan and a one-way valve; a concrete trench allowing gas to be uniformly distributed is formed in the bottom of the device; a concrete cover plate with gas holes is arranged at the upper part of the device; tracks are laid on the cover plate; a drawer-type housing is arranged on the tracks and made of engineering plastic, and gas holes are uniformly distributed in the lower part of the drawer-type housing; the housing is filled with double ball bodies made of engineering plastic uniformly; white-rot fungi are inoculated to the upper half part of an inner ball of the double ball bodies to form a first-stage filtering layer; the odor generated in the composting process enters a second-stage active soil filtering layer after being buffered, adsorbed and partially degraded by the first-stage filtering layer, and finally lawns are planted on the surface of the soil filtering layer. Through the adoption of the two-stage compound compost odor processing device, the problems that pure soil filtering layer particles are likely to block a filtering material, the filtering material on the lower layer is likely to be dry, air flow fluctuates remarkably, and the energy consumption is high are solved.

The invention discloses an intelligent anti-collision domestic floor mopping robot and a use method of the intelligent anti-collision domestic floor mopping robot. The intelligent anti-collision domestic floor mopping robot comprises a main body shell, a round bottom plate is mounted at the bottom end of the main body shell, a protection cover, a switch button and two groups of mounting plates aremounted on the round bottom plate, the protection cover is positioned on one sides of the two groups of mounting plates, a plurality of groups of heat dissipation holes are formed between the two groups of mounting plates, the plurality of groups of heat dissipation holes are uniformly distributed in the round bottom plate, and a through hole is formed in one side, far away from the two groups ofmounting plates, of the protection cover. For the intelligent anti-collision domestic floor mopping robot and the use method of the intelligent anti-collision domestic floor mopping robot, power wheels can be controlled to rotate at different speeds, so that the moving direction is randomly changed, thus the comprehensive sweeping for the indoor place is realized, through the non-contact measurement, the collision with furniture or other articles can be effectively avoided, in addition, brushes can be conveniently replaced and washed, the heat dissipation effect is good, the excessive consumption of energy is avoided, the wear among the parts is reduced, and the environment protection and protection effects are achieved.

The invention discloses a lithium battery high-temperature protection structure, and belongs to the technical field of lithium battery protection. The structure comprises a shell, a storage bin, an objective table and a stop block; the storage bin is arranged in the shell, the objective table is arranged in the storage bin, the stop block is fixedly connected to the inner wall of the storage bin,the side surface of the stop block is fixedly connected with an electric push rod, and the left end of the electric push rod is fixedly connected with a rack; the lower surface of the rack is fixedlyconnected with a first slider; by arranging an electric push rod, a rack and a gear, when a temperature sensor senses that the temperature of a storage bin is too high, an instruction is sent to a control switch, the electric push rod is controlled to operate to drive the rack to move rightwards, and under cooperation of the rack and the gear, a first rotating shaft rotates anticlockwise to drivea first connecting rod to rotate anticlockwise; under the cooperation of the first connecting rod and the second connecting rod, the objective table loaded with the lithium battery descends, the electrode end of the lithium battery is separated from the electrode butt joint port, power supply is stopped, and thermal runaway of the lithium battery caused by continuous power supply is avoided.

The invention relates to the technical field of vehicle cleaning, and discloses a cleaning device for dust in clamping seams of a vehicle seat. The device comprises a strip-shaped plate, wherein a T-shaped sliding groove is formed in the lower surface of the strip-shaped plate, and two matched T-shaped sliding blocks are symmetrically and slidably connected in the T-shaped groove; the sides, awayfrom the groove bottom of the T-shaped sliding groove, of the T-shaped sliding blocks are fixedly connected with dust suction plates with hollow structures, the bottoms of the dust suction plates areconnected with matched brush plates through clamping mechanisms, and the lower surfaces of the brush plates are connected with uniformly distributed bristles; the bottoms of the dust suction plates fixedly communicate with a plurality of uniformly distributed dust suction pipes, the dust suction pipes are arranged penetrating through the brush plates, and the dust suction pipes are in sliding connection with the brush plates; and a micro dust collector is fixedly arranged at the center of the upper surface of the strip-shaped plate, a hose is fixedly connected to the input end of the micro dust collector, and the other end of the hose fixedly communicates with the dust suction plates. According to the cleaning device for the dust in the clamping seams of the vehicle seat, efficient clamping seam dust cleaning can be conveniently carried out on vehicle seats with different models.

The invention discloses a high-pressure silencer suitable for performing noise elimination and noise lowering on discharged high-pressure gas. The high-pressure silencer comprises a shell, noise eliminating bodies and a silencing material; one end of the shell is a cylinder of a spherical end socket which is provided with a gas inlet connection nozzle; the other end of the shell is closed through a hole plate with exhausting holes; the portion, close to one end of the spherical end socket, in the shell is provided with the noise eliminating bodies with the noise eliminating level number being N; one end of the first level of noise eliminating body is connected with the gas inlet connection nozzle; the noise eliminating bodies of all the levels are each provided with a vent hole, are each in a round pipe shape and are arranged in a concentric sleeved manner; and the portions between the inner wall of the shell and the outer sides of the noise eliminating bodies are filled with the silencing material, wherein N is larger than or equal to 4 and is a natural number. High-pressure gas flow enters the noise eliminating bodies from the gas inlet connection nozzle, the volume is gradually increased, the density is continuously decreased, noise is gradually weakened, the weakened gas flow enters the silencing material and is further weakened, and when the gas flow reaches the hole plate, the noise is finally weakened substantially. The high-pressure silencer is good in silencing effect, simple in structure, high in strength, convenient to install and easy to maintain.

The invention discloses an indoor air exchanger having an air purifying function. The indoor air exchanger comprises a bottom plate; the lower surface of the bottom plate is fixedly connected with mounting racks; the mounting racks are fixedly connected with bolts; the upper surfaces of the mounting racks are fixedly connected with a purifying box; the surface of the purifying box is fixedly connected with an air pump; the inlet end of the air pump is fixedly connected with an air inlet pipe; one end of the air inlet pipe is fixedly connected with an air inlet scoop; and the outlet end of the air pump is fixedly connected with an air outlet pipe. With the adoption of the air pump, the air inlet pipe, the air inlet scoop, the air outlet pipe, a water storage tank and a rubber sealing ring, outside air is pumped into a room through the air pump, the air enters from the lower side of the water storage tank, and after the air flows into the water storage tank, dust substances in the air are absorbed by water, thus the content of dust in the air flowing out is reduced substantially, and the air purifying effect is achieved.

The invention discloses a low-voltage power distribution cabinet convenient to clean internal dust, which comprises a low-voltage power distribution cabinet body, protection mechanisms, a dust removal mechanism, a controller, a motor, an illuminating lamp, a solar photovoltaic panel and heat dissipation holes. Damping springs are arranged at the bottom of the low-voltage power distribution cabinet body, and the protection mechanisms are arranged on two sides of the low-voltage power distribution cabinet body. The dust removal mechanism is arranged in the low-voltage power distribution cabinet body, the partition plate is arranged above the storage battery, the controller is arranged above the electric leakage detector, the motor is arranged below the top end in the low-voltage power distribution cabinet body, and the illuminating lamp is arranged on one side of the cooling fan. The solar photovoltaic panel is arranged above the top end of the low-voltage power distribution cabinet body, and the heat dissipation holes are formed in the rear side of the low-voltage power distribution cabinet body. According to the low-voltage power distribution cabinet convenient to clean internal dust, the lifting mechanism and the dust removal mechanism are arranged, the height of the low-voltage power distribution cabinet can be conveniently adjusted through telescoping of the lifting mechanism, and dust in the low-voltage power distribution cabinet can be conveniently cleaned through work of the dust removal mechanism.

The invention discloses an ultrahigh-purity aluminum crystallization method. The ultrahigh-purity aluminum crystallization method comprises the following steps of: selecting a high-purity aluminum raw material and melting the high-purity aluminum raw material into aluminum liquid in a graphite crucible; inserting a crystallization device into the graphite crucible; driving a graphite pipe sleeve to rotate synchronously by a rotary device; continuously introducing cooling gas into a gas cooling system in the graphite pipe sleeve to start crystallization; keeping a constant rotary speed of a crystallization machine in a crystallization process; adjusting the flowing direction of the cooling gas in a cooling gas path so that the surface of the graphite pipe sleeve, which is in contact with the aluminum liquid, is directionally solidified and an inverted mushroom type high-purity crystal substance with a certain thickness is separated out; when crystallization set time is reached, stopping the crystallization device from rotating and then stopping introducing the cooling gas into a rotary body; lifting the crystallization device out from the graphite crucible and picking off the crystal substance on the graphite pipe sleeve below the crystallization machine to obtain the high-purity crystal substance; and pouring out the residual aluminum liquid in the crucible and putting the high-purity crystal substance into the crucible again to be repeatedly crystallized to obtain the crystal substance with higher purity. By adopting the method disclosed by the invention, the problems in the prior art that the purification cost is high and the purification effect is not good are solved.

The invention discloses a hydraulic two-way recooling type heat dissipation type hydraulic hammer, and belongs to the technical field of heat dissipation treatment of hydraulic hammers. Cooling liquid is supplied to the upper end part and the lower end part of a liquid storage cavity through a water cooling box; and by utilizing the principle that a piston drives a drill rod and a movable sleeve to move up and down in a reciprocating mode, the cooling liquid supplied to the lower end part of the liquid storage cavity is extruded when the movable sleeve moves downwards, so that the cooling liquid is guided into a drainage cavity through a perfusion hole and flows through a connecting tenon body and overflows through a spraying hole, and therefore, on the one hand, a drill rod and a drill hammer head are cooled, and on the other hand, the sprayed cooling liquid plays a dust falling role; and when the movable sleeve moves upwards, on the one hand, the cooling liquid is supplied to the lower end part of the liquid storage cavity through a negative pressure, and on the other hand, the cooling liquid at the upper end part of the liquid storage cavity is pressed into a recooling cavity and wets multiple refrigeration bag rods, the cooling liquid and the recooling cavity cooperate with each other so that the cooling effect on the hydraulic cavity can be improved; after the movable sleeve retreats, the cooling liquid in the recooling cavity synchronously retreats; circulation is conducted in this way; and therefore, two-way water cooling is achieved through hydraulic reciprocating motion.

The invention relates to the technical field of nitration reaction, and discloses an environment-friendly nitration reactor, which comprises a reaction kettle, a driving motor, a heat exchange jacket, a water inlet pipe, a water outlet pipe, a feeding port and a discharging port, wherein the driving motor is fixed to the top of the reaction kettle through a mounting frame, the reaction kettle is fixedly sleeved with the heat exchange jacket, the side wall of the bottom end of the heat exchange jacket is communicated with the water inlet pipe, the side wall of the top end of the heat exchange jacket is communicated with the water outlet pipe, the side wall of the reaction kettle is communicated with the feeding port, the bottom of the reaction kettle is communicated with the discharging port, and the interior of the reaction kettle is divided into a waste gas treatment cavity and a nitration reaction cavity from top to bottom through a partition plate. According to the environment-friendly nitration reactor, materials in the reaction kettle can be conveniently stirred in all directions, so that stirring dead angles are avoided, the nitration reaction effect is improved, nitrogen oxide waste gas generated in the nitration reaction process can be conveniently absorbed and treated, environment pollution is avoided, and environmental protection is facilitated.

The invention discloses a feeding device for machining, which comprises a first conveying structure, a rust removal assembly and a second conveying structure, wherein the first conveying structure and the second conveying structure are located on the front side and the rear side of the rust removal assembly correspondingly, and the rust removal assembly is formed by combining a grinding box and a grinding assembly arranged in the grinding box; and the grinding box is of a rectangular box body structure, through holes are arranged on the front side wall and the rear side wall of a box body of the grinding box, and a front mounting plate and a rear mounting plate are fixedly mounted between the left side wall and the right side wall of the box body of the grinding box. The feeding device formed by combining the first conveying structure, the rust removal assembly and the second conveying structure is arranged, the rust removal assembly is arranged to be formed by combining the grinding box and the grinding assembly, and the grinding assembly is arranged to be formed by combining a rotating frame, a mounting pipe and a telescopic electric cylinder, so that a to-be-ground workpiece penetrates through a grinding plate, and grinding is performed, therefore, the problems that the efficiency is low and the cleaning effect is poor when the surface of the workpiece is manually derusted are solved.

The invention discloses a multi-medium filter and a filtering method thereof. The multi-medium filter comprises a multi-medium filter body; the multi-medium filter body is provided with a filter layer, a backwashing outlet, a material outlet, a material inlet, a sealing gasket, a top cover, a stud assembly, a handle, a plug, an emptying hole, a wall plate, a screen, a lifting device installation groove, a lifting device and a filter layer frame; the multi-medium filter body is obtained by carrying out integrated design on multiple multi-medium filters which are installed at the same time, so that the total occupied space is saved, the pipeline connection is reduced, and workshop production and transportation are facilitated; the integrated multi-medium filter is evenly divided into a plurality of chambers, and the geometrical shapes of the chambers are the same as one another, so that a modular design is facilitated; a water inlet distributor and a water inlet hole are connected with each other by means of screw threads, a hoop or the like, so that the structure is detachable, and the filling and replacing of filtering mediums are facilitated.

The invention provides a constant-speed smearing mechanism suitable for applying a paste dressing. The constant-speed smearing mechanism comprises a supporting plate; the supporting plate is of a rectangular structure; a first protective shell is mounted at the bottom of the supporting plate; a spraying mechanism is mounted above the inner side of the first protective shell; a smearing structure is mounted at the bottom of the inner side of the first protective shell; an auxiliary scraping mechanism is mounted on the outer side of the first protective shell; and an extrusion mechanism is mounted at the bottom of the supporting plate. The effect of cleaning dust adhered to cloth is achieved through the arrangement of a cleaning brush; specifically, sliding shafts are arranged on the two sides of the cleaning brush, and the sliding shafts have the effect of supporting the cleaning brush; springs for pushing the sliding shafts to reset are arranged on the sliding shafts; a cam driven by a servo motor is arranged on one side of the corresponding sliding shaft; and the servo motor has the effect of driving a mounting seat to rotate, so that the cam pushes the cleaning brush to reciprocate, and the cleaning effect of the cleaning brush on the dust on the cloth is better.

The invention relates to a tooth cleaning element, a dental floss element and a restoring force accommodating frame, in particular to the tooth cleaning element which is multifunctional and convenientto use, and provides the restoring force accommodating frame where the tooth cleaning element can be orderly accommodated and taken for use. One side of the tooth cleaning element is provided with atoothbrush element and the dental floss element which can be assembled and disassembled, so that a user can conveniently replace the toothbrush element and the dental floss element; and the restoringforce accommodating frame is provided with a pedestal and at least a group of restoring force clips, wherein each restoring force clip is provided with at least one toothbrush fixing slot for the insertion and assembly of the tooth cleaning element. Thus, the tooth cleaning element can be easily operated and clean teeth, and can be orderly placed into and conveniently taken for use from the restoring force accommodating frame, adopts a clamping type design capable of ensuring that the toothbrush element and the dental floss element of the tooth cleaning element can be dried in the air, and hasthe functions of reducing the breeding of bacteria and keeping sanitary.

The invention relates to pipeline machining equipment which comprises a workbench, a clamping device and a cleaning device. The right end of the upper end face of the workbench is provided with the clamping device, the left side of the clamping device is provided with the cleaning device, and the lower end of the cleaning device is connected with the upper end face of the workbench in a sliding fit mode. According to the pipeline machining equipment and the machining method, the design concept of the adjustable structure is adopted to grind and clean the outer surface of a stepped pipe, the cleaning device with the adjustable radial size of the cleaning structure is adopted to integrally clean the small-diameter section and the large-diameter section of the stepped pipe, and meanwhile, thewhole equipment is also suitable for machining the outer surface of a straight pipe, so that the utilization rate of the whole equipment is greatly improved.

The invention provides a monitoring camera fixing frame based on the Internet of things. The monitoring camera fixing frame comprises a monitoring head, a fixing device and a limiting mechanism, wherein a base is movably installed on the upper surface of the monitoring head, the fixing device which is rotationally driven to movably clamp the monitoring head is movably installed on the upper surface of the monitoring head and located on the lower surface of the base, and the limiting mechanism which is used for telescopic elastic limiting is movably installed on the inner wall of the base and located at the corresponding position of the fixing device. According to the monitoring camera fixing frame based on the Internet of things, in the whole adjusting process, a manual rod is matched withthe limiting mechanism to realize clamping and fixing or movable clamping separation of a clamping plate and the monitoring head, so that a user can conveniently replace the monitoring head regularly, the maintenance is convenient, the monitoring camera fixing frame is convenient for users to use, the working efficiency of the user is improved, and the use convenience of the user is improved.

The invention discloses an electronic-grade ultra-high-purity aluminum crystallization device. The electronic-grade ultra-high-purity aluminum crystallization device comprises a rotating body and a driving device; the rotating body is installed above a crucible; the lower end of the rotating body extends into the position below the liquid level of molten aluminum in the crucible; the driving device is connected with the rotating body and is used for driving the rotating body to rotate; a cooling gas circuit is arranged in the rotating body and is filled with cooling gas to cool the rotating body, and then high-purity aluminum crystals are formed at the lower end of the rotating body through solidification and accumulation. The electronic-grade ultra-high-purity aluminum crystallization device solves the problems of high purification cost and poor purification effect in the prior art.

The invention discloses a periodic self-feeding, washing and filtering desizing machine in the technical field of fabric desizing, which comprises a circulating pump, a temperature control probe, an electric heater and a water washing chamber; guide rollers and a combined filter stand are arranged inside the water washing chamber, a liquid supply pipe is arranged on the upper part of the water washing chamber, the water washing chamber is a tank body with an opening at the top, a liquid discharging pipe and a liquid feeding pipe are mounted on the front side wall of the water washing chamber,a waste liquid pipe is mounted on the bottom wall of the water washing chamber, a partition plate I and a partition plate II are arranged in the inner cavity of the water washing chamber, and tripodsare arranged on the bottom wall of the inner cavity of the water washing chamber; and water in a filtrate tank is subjected to layered filtration by the combined filter stand, so that the filtrated water can be circulated to a water washing tank for reutilization through the circulating pump, which improves the utilization rate of water resources and helps to reduce the consumption of water resources in the washing process of desizing.

The invention discloses an educational toy for improving touch of children. The educational toy comprises a supporting base and a rotary wheel. A clamping mechanism is embedded into a second sliding groove, a first touch mechanism is fixedly mounted on the inner side wall of a second support, a second touch mechanism is fixedly mounted on the inner side wall of a first support, and a first slidingplate is arranged on the rear side of the first support. Through the combined use of the first touch mechanism and the second touch mechanism, perception of the children on sense organs can be improved in the playing process of the children, and the children can experience different touch effects conveniently; through the combined use of a rotating device, the first sliding plate and a second sliding plate, the children can pour out different numbers of plastic balls, the visual effect of the children can be improved while the plastic balls pass through the first sliding plate and the secondsliding plate, and meanwhile the operational ability of the children is exercised; through the arrangement of the clamping mechanism, a user can conveniently and rapidly detach and mount the second support.

The invention relates to a washing box for contact lenses. The washing box comprises a washing base and a washing cabin, wherein the washing cabin is connected above the washing base in a clamping andembedding manner; the washing base comprises a base and a top cover; the top cover is connected to the upper side of the base through a hinge; a mirror is connected with the lower surface of the topcover in the clamping and embedding manner; a fixed push button is integrally molded on a side wall of the base; a washing groove and a lens clip storage groove are formed in the upper surface of thebase; the washing base comprises a washing cabin storage groove and a working push button; a charging interface is connected with a side wall of the washing base in the clamping and embedding manner.The washing box for the contact lenses adopts a splitting type design; the washing cabin and the washing base are separated, so that an operator can replace at fixed period to ensure the stability ofa washing function; meanwhile, equipment adopts a multi-washing manner so that the washing effect is remarkably improved; the washing box for the contact lenses has a relatively small volume, is convenient to carry, has no noises in an operation process and has good user experience and strong practicability.

The invention relates to an environment-friendly three-dimensional greening plant wall, and relates to the technical field of greening buildings. The wall comprises a wall body, a fixing groove is formed in one side of the wall body, a plurality of plant pot culture bodies are arranged on the side, close to the fixing groove, of the wall body, and each plant pot culture body comprises a pot body, a culture soil layer located in the pot body and a plant body planted on the culture soil layer; the plant body is inserted into the pot body, a root system of the plant body is located in the culture soil layer, and branches and leaves of the plant body are located outside the pot body; and a plurality of storage frames are arranged on the side, close to the fixing groove, of the wall body, the storage frames and the potted plant bodies are arranged in a one-to-one correspondence mode, storage grooves allowing the potted plant bodies to be inserted are formed in the storage frames, and groove openings of the storage grooves face the position of a groove opening of the fixing groove; The wall has the advantages that the plant pot body and the wall body are detachably connected, and the plant pot body is convenient to maintain, replace or transplant.

The invention discloses a shaft-fixed lubricating and sealing mechanism for a rotating shaft, which comprises a fixed-distance shaft, an oil tank cover, a front sealing cover, a fixed cover and a rear sealing cover. The front end of the fixed-distance shaft is welded with a transmission shaft. The rear end of the shaft is welded with a drive shaft, and the outer part of the transmission shaft is provided with a front sealing cover; the rear end of the front sealing cover is connected to the front fuel tank cover through the front bolt, and the front fuel tank cover is connected to the fuel tank cover through screws. The rear end of the oil tank cover is connected to the rear oil tank cover; the diameter of the distance shaft is larger than that of the transmission shaft and the drive shaft, and the distance shaft is installed in the lubricating oil chamber, which effectively limits the position of the distance shaft to prevent the When the distance shaft rotates, it shakes back and forth, which improves the stability of its rotation. The lubricating oil in the oil guide chamber is conveniently injected into the lubricating oil chamber, which effectively lubricates the rotation of the distance shaft, reduces the wear of the distance shaft, and facilitates the maintenance of the oil tank cover. The assembly and disassembly of the shell is convenient for regular replacement of lubricating oil; the sealing effect is good, and it has a good locking effect.