54results about How to "Protect against dust" patented technology

The invention discloses a dustproof touch screen for a charging pile. The dustproof touch screen comprises a shell with an opening at one side, a mounting cavity is arranged on the side wall of one side of the shell, and an intercommunicating hole is arranged at a connecting part of the mounting cavity and the inner wall of the shell; a winding roll is rotatably connected with the internal of themounting cavity, a flexible rubber plate is twisted on the winding roll; one end of the flexible rubber plate is connected with a vertical movable rod through the intercommunicating hole; the slidingblocks are welded on the top side wall and the bottom side wall of the movable rod; the sliding chutes are respectively formed on the top side wall and the bottom side wall of the shell; the sliding block is connected in the sliding chute in a sliding way; the movable rod is movably connected with a pothook; a fixed bolt is arranged on the side wall of one side of the shell, the pothook is hookedon the fixed bolt; a screen is mounted in the shell, and the screen is hermetically and fixedly connected with the shell, and located at one side of the flexible rubber plate. The dustproof touch screen disclosed by the invention can play the protective and dustproof effect on the screen, and plays the effect of cleaning the screen while being turned on or turned off, and meanwhile, the radiatingeffect is realized.

The invention discloses electronic equipment and a camera shielding device which is used for shielding a camera of a camera module; the device comprises a fixing part, a driving wheel rotationally installed on the fixing part, a conveying belt matched with the driving wheel and at least one shielding piece. A lens hole is formed in the fixing part, the shielding piece is hinged to the fixing part,the shielding piece is matched with the conveying belt, and the driving wheel drives the shielding piece to rotate through the conveying belt when rotating so as to shield the lens or be staggered with the lens to remove shielding. By applying the camera shielding device provided by the invention, the lens can be conveniently opened or shielded, the user operation is facilitated, and the physicalprotection is realized. Even if a hacker invades the system, the camera cannot be controlled to steal, so that the privacy of the user is protected. Meanwhile, the protection effects of dust prevention and the like can be achieved. Transmission is achieved through the conveying belt, the structure is simple, occupied space is small, and layout in small electronic equipment is facilitated.

The invention discloses a hot-melt expansion type textile wastewater adsorption device, and belongs to the technical field of textile wastewater treatment. Floating type adsorption balls expanding outwards are matched with petal-shaped plastic belts with a magnetic attraction function. After a wrapping bag used for binding floating strips and the bottom ends of the petal-shaped plastic belts is melt by heat, the plurality of floating strips and the petal-shaped plastic belts expand outwards and upwards under the inertia effect, at the moment, a plurality of the floating adsorption balls sleeving the floating strips are separated from the floating strips and scattered in the wastewater, and used for adsorbing fiber particles in wastewater, the petal-shaped plastic belts horizontally floating on the water surface utilize external expansion type adsorption balls at the bottom ends of the petal-shaped plastic belts to adsorb fiber flocculate floating upwards; after the petal-shaped plastic belts are electrified, the petal-shaped plastic belts can adsorb the floating type adsorption balls floating in the wastewater; and meanwhile, a large amount of gas is provided for the wastewater byutilizing a matching structure of the oval aeration bag and a second molten capsule layer, so that the floating strength of the whole device is effectively improved, and uniform diffusion of the plurality of floating type adsorption balls is facilitated.

The invention discloses a high-efficiency energy-saving airflow crusher. A rotation shaft of a classification wheel is fixed through two supporting points, a dustproof structure is arranged at a material discharging side of the classification wheel, and a direct and non-turning material discharging structure is adopted, so the rotation speed of the classification wheel is substantially improved, the high-efficiency energy-saving airflow crusher is applicable to high-accuracy classification, and an energy-saving dustproof effect is achieved for the classification wheel. The high-efficiency energy-saving airflow crusher is further provided with a bearing dustproof structure to guarantee a safe use environment for a bearing. The framework of the classification wheel is composed of a front impeller disc, a rear impeller disc, a middle impeller disc and a connecting sleeve barrel, so that the rigidity of the classification wheel is improved. Vanes of the classification wheel comprise main vanes and auxiliary vanes, can eliminate eddies and reduce wind resistance. An air inlet pipe of a spraying nozzle is bent towards the direction near a cavity of the airflow crusher and then is connected with the spraying nozzle, so that the structure is compact. The material level height is controlled in a weighing mode, and thus the error range is reduced. The cross section of the bottom of the cavity of the airflow crusher is arc, so that the residual amount and occupied space of materials are reduced.

The invention discloses a brush carrier capable of realizing section-by-section telescoping. The brush carrier comprises a sliding rail type upper framework and a sliding rail type lower framework which are glidingly connected, wherein each of the upper framework and the lower framework is provided with a connecting piece, the two connecting pieces are close to ends, far away from each other, of the upper framework and the lower framework and connected through multiple groups of telescopic sleeve rod assemblies connected sequentially, and a cleaning module integrating a brush disk, a water pipe sleeve and an air blower is arranged on each group of the sleeve rod assemblies; the upper framework and the lower framework can telescope by driving the connecting piece on the upper framework or the connecting piece on the lower framework, so that sleeve pipe assemblies can telescope. The brush carrier can telescope and fold, is convenient to store and maintain and comprises the cleaning modules integrating multiple functions such as water spraying, brushing, air blowing, dust collection, scraping and the like.

The invention discloses a dust cover for a front swing arm of a minibus, which is provided with a dust cover main body (1) with an accommodating cavity (7). The outer wall of the lower end of the dust cover main body (1) is provided with a ring-shaped groove (4). The upper end of the dust cover main body (1) is provided with a sealing port (2). The sealing port (2) is communicated with the accommodating cavity (7) of the dust cover main body (1). An inner hoop (3) is embedded inside the upper end of the dust cover main body (1). The inner hoop (3) is surrounded around the sealing port (2). According to the invention, a unique closed-looped inner hoop structure is adopted to fasten the sealing port, so that not only is the labor intensity of assembly reduced, but also the assembling efficiency is improved. Moreover, the dustproof effect can be ensured and foreign matter and dust are effectively prevented from entering a pin head of a ball pin.

The invention discloses a steel pipe for an automobile exhaust system. The steel pipe for the automobile exhaust system comprises a pipe body, wherein an air inlet and an exhaust hole are formed in two ends of the pipe body; at least two cooling pipes are arranged on the pipe body; through holes for the cooling pipes to penetrate through are formed in the side wall of the pipe body; each cooling pipe comprises an outer connecting pipe and an inner connecting pipe; the outer connecting pipes are located on the outer parts of the pipe body; the inner connecting pipes are located in the pipe body; a cooling inlet is formed in one end in each outer connecting pipe; a clamping table and a limiting ring are arranged at the other end in each outer connecting pipe; the clamping tables are radiallyabutted against the outer side wall of the pipe body; limiting rings are inserted into the through holes of the pipe body in a matching way; an inserting section and a clamping block are arranged atone end on each inner connecting pipe; a cooling outlet is formed in the other end on each inner connecting pipe; the inserting sections penetrate through the through holes and the limiting rings so as to be detachably inserted into the outer connecting pipes; and the clamping blocks are radially abutted against the inner side wall of the pipe body. The cooling efficiency of automobile exhaust inthe pipe body is improved, the service life of the pipe body is prolonged, and the steel pipe for the automobile exhaust system is simple in structure, convenient to disassemble and assemble, and lowin maintenance and replacement cost.

The invention relates to the technical field of new materials, and discloses an anti-stick roller device of a glass fiber cloth coating machine. The anti-stick roller device comprises a machine frame.A rubber roller is arranged on the machine frame and provided with a gray fabric. The middle of a supporting rod is connected with a volute. An arc plate is arranged in the volute. A supporting roller is connected with the upper end of the arc plate. Wheels are connected with the lower portion of the arc plate. A first gear is arranged in the volute and connected to a first rotating shaft. The front end of the first rotating shaft penetrates out of the volute to be connected with a second gear. The right side of the second gear is provided with a third gear. The third gear is connected to a second rotating shaft. The outer side of the volute is fixedly connected with a baffle. The front side of the volute is provided with a telescopic stop rod. By means of the anti-stick roller device ofthe glass fiber cloth coating machine, the gray fabric can get on the top through the supporting roller from the joint with the rubber roller during the halt, the anti-stick roller device is more stable and reliable during the halt, and the anti-stick roller device has the advantages of being capable of being manually controlled to prevent the gray fabric from being stuck to the roller during thehalt and being stable and reliable.

The invention discloses a convenient-to-install temperature detection device for an intelligent terminal and a use method thereof. The detection device comprises an intelligent terminal body, a display screen and a supporting bottom plate, the display screen is fixedly installed in the middle of the intelligent terminal body, a fixing block is welded to the left side of the intelligent terminal body, a temperature detector is connected to the inner side of the fixing block, a mounting plate is fixedly welded to the outer end of a first clamping block, a second clamping block is arranged on theupper side and the lower side of the temperature detector in an attached mode, a connecting block is integrally arranged on the upper side and the lower side of the fixing block, a side sliding blockis mounted in the connecting block, and a dustproof cover is fixedly mounted on the side sliding block. The convenient-to-install temperature detection device can be conveniently and well installed with the temperature detection device, the working time of installation work is saved, certain dustproof protection can be achieved on the temperature detection device when the temperature detection device is used, and dust is prevented from being accumulated on the surface of the temperature detection device.

The invention relates to the technical field of financial consultation equipment, in particular to an intelligent robot for financial consultation. The invention aims to solve the technical problems that an existing device has a lower attraction force and an easily-blocked filter screen and cannot clean the ground. In order to solve the above technical problem, the invention provides an intelligent robot for financial consultation. The intelligent robot for financial consultation consists of a robot shell, a mounting plate, a display mechanism, a heat dissipation mechanism and a cleaning mechanism; by arranging a ventilating fan, a cleaning frame and cleaning brushes, when the intelligent robot works, air in the robot shell can be circulated through the ventilating fan; when an output shaft of a rotary motor rotates, the cleaning frame can swing leftwards and rightwards, the cleaning brushes on the two sides of the cleaning frame can clean a first filter screen and a second filter screen, and cleaned dust can be discharged under the action of the ventilating fan; and in this way, the first filter screen and the second filter screen are cleaned while the interior of the robot shell is cooled.

The invention discloses a wearable device suitable for a high-noise and strong-vibration environment. The wearable device comprises a cloth body, striking blocks and a center control box; the cloth body includes a front side and a back side; and the striking blocks include a first striking block, a second striking block, a third striking block, a fourth striking block, a fifth striking block, a sixth striking block, a seventh striking block, an eighth striking block, a ninth striking block and a tenth striking block, wherein the seventh striking block, the eighth striking block, the ninth striking block and the tenth striking block are arranged at the inner surface of the front side of the cloth body, and the first striking block, the second striking block, the third striking block, the fourth striking block, the fifth striking block and the sixth striking block are arranged at the inner surface of the back side of the cloth body. With the wearable device of the invention adopted, the influence of harsh environments can be resisted, and a worker under high-noise and strong-vibration environments can accurately receive information which needs to be urgently transmitted, so that the worker can quickly respond, and therefore, valuable rescue time can be saved.

The invention relates to the technical field of optical fiber sensor light sources, in particular to a distributed optical fiber light source control system suitable for a wide temperature range. The system comprises a light source; a light source filtering module which comprises a positive temperature coefficient long-period fiber grating and a negative temperature coefficient long-period fiber grating, wherein the central wavelength of the positive temperature coefficient long-period fiber grating is increased along with temperature rise, the average wavelength acting on the light source is in a progressively decreasing interval when the average wavelength is in parabolic change, the central wavelength of the negative temperature coefficient long-period fiber grating is reduced along with the rise of the temperature, and the average wavelength acting on the light source is in a progressively increasing interval when the average wavelength is in parabolic change; and a light source compensation module which is used for performing compensation calculation on each component of the light source according to a pre-established light source wavelength compensation model to obtain a compensation result of the light source wavelength and performing combination matching on each component according to a compensation result to obtain a finally selected component of the super light source. Temperature compensation can be carried out on the light source.

The invention relates to an environment-friendly smokeless movable dining car. The environment-friendly smokeless movable dining car comprises a car body, an electricity and gas dual-purpose stove, apurifier cabinet, an electric control cabinet, a draught fan cabinet, a smoke suction port and an exhaust barrel. The environment-friendly smokeless movable dining car is characterized in that the carbody is of a frame type semi-closed structure, a shed is arranged on the top of the car body, and car windows are arranged on the rear side, the left side and the right side of the part, below the shed, of the car body; a cooking bench is arranged on the left side of the middle portion of the car body, the electricity and gas dual-purpose stove is embedded and installed in a cooking bench panel,a water discharging groove is formed in the part, on the left side of the electricity and gas dual-purpose stove, of the car body, the smoke suction port is formed in the upper portion of the electricity and gas dual-purpose stove, and a storage cabinet is arranged below the electricity and gas dual-purpose stove; a containing table is arranged on the right side of the middle portion of the car body, and the purifier cabinet, the electric control cabinet and the draught fan cabinet are arranged in a car body cavity below the containing table; and four trundles are arranged at the bottom of thecar body. The environment-friendly smokeless movable dining car has the beneficial effects that the static cooking fume purification technology and the electricity and gas dual-purpose stove technology are adopted, and environment friendless and practicability of the dining car are achieved.

The invention discloses a radio connection device with an anti-loosening function. The device comprises a shell, a mounting plate, a cavity, an insertion hole, a fixed seat, a conductive block, a connecting wire, an insulating pad, a connecting seat, a joint, a wire, a metal sheet, a clamping groove, a notch, a sliding groove, a shifting block, an insertion rod, a reset spring, a partition plate, a guide plate, a cover plate, a fixed block, an opening, a guide groove, a rubber strip, a sleeve rod, a connecting spring, a movable rod, a limiting sleeve, a screw rod, a nut, a knob, a positioning hole, a T-shaped groove, a T-shaped block and a dustproof plate. And a sealing strip and a stud. The radio connecting device has the beneficial effects that the radio connecting device is adopted to realize anti-loose connection with radio equipment, the stability of the radio connecting device after connection is ensured through multiple limiting, meanwhile, the lead can be limited, the lead is prevented from being damaged, the problem of loosening at the joint is avoided, the protection performance is improved, meanwhile, the dustproof protection effect can be achieved, and the service life of the radio equipment is prolonged. The service life of radio is prolonged, and the protection performance of the radio connection device is improved.

The invention provides a special-shaped thin-walled part fastening mechanism. The special-shaped thin-walled part fastening mechanism comprises a core shaft, a locking sleeve, a cage and tension blocks. The core shaft is composed of a cylinder piece and a cone piece. The cylinder piece of the core shaft is internally provided with a motor and a battery connected with the motor in a matched mode. Amotor shaft of the motor is arranged to the right, and the motor shaft is parallel to the central axis of the cylinder piece. A gear is installed at the right end of the motor shaft of the motor, thelocking sleeve sleeves the core shaft, an inner gear meshed with the gear is arranged in the left end of the locking sleeve, the right end of the locking sleeve is in threaded connection with the left end of the cage, the left end of the cage sleeve outside the right end of the locking sleeve, tension block positioning grooves adapted to the tension blocks are uniformly formed in the right end ofthe cage in the circumference direction. The special-shaped thin-walled part fastening mechanism has the beneficial effects that the structure is simple and clear, the use is convenient and fast, thin-walled parts can be conveniently and accurately placed on the fastening mechanism, and can be locked and loosened by the motor, so that the electromechanical integration is realized.

The invention relates to the technical field of display equipment, and discloses a projector which comprises an upper machine body, a lower machine body and a damping rotating shaft connected with the upper machine body and the lower machine body. An optical machine is arranged in the upper machine body, and the upper machine body can overturn relative to the lower machine body through the damping rotating shaft; and the surface, opposite to the lower machine body, of the upper machine body is a first surface, and the surface, opposite to the upper machine body, of the lower machine body is a second surface. The projector further comprises a first magnet arranged on the first surface and a second magnet arranged on the second surface. Repulsive force can be generated between the first magnet and the second magnet so as to support the upper machine body. The projector provided by the embodiment of the application has a longer service life.

The invention provides a water conservancy construction water drainage structure and a construction technology thereof. The water conservancy construction water drainage structure comprises a metal hose, a discharge pipe, a connecting pipe head, a filter cartridge, a filter screen, a detachable cover, a support pipe, a drainage hose, a water conservancy construction foundation, a water conservancy drainage foundation, a dustproof protection buckle cover structure, a detachable anti-blocking crusher structure, an angle-rotatable adjusting quantity control plate structure and a buffer type construction fixing seat structure, one end of the metal hose is in threaded connection with the left end of the discharge pipe, and the other end is in threaded connection with the right end of the connecting pipe head; and the connecting pipe head is in threaded connection with the right end of the filter cartridge. According to the water conservancy construction water drainage structure, by arranging a lifting ring, the dustproof protecting cover, a sealing ring, a drainage inlet pipe, a drainage pipe, a fixing column and the hollow seat, the dustproof protection effect can be achieved when drainage is not conducted; according to the water drainage structure, through the arrangement of a drainage cylinder, a blocking base, an anti-blocking filter screen, a connecting pipe, a crushing shaft, a crushing motor and a crushing blades, anti-blocking crushing operation can be conducted, and the drainage stability is guaranteed.

The invention discloses a portable self-powered combined sound box and an auxiliary supporting structure thereof, and relates to the technical field of sound box equipment. The problem that a combinedsound box cannot be assembled according to requirements is solved. The loudspeaker box specifically comprises a bottom plate, a support and a second loudspeaker box shell, a first loudspeaker box shell is fixed to the outer wall of the top of the bottom plate through screws, and a set of mounting mechanisms are arranged on the outer wall of the top of the first loudspeaker box shell; the auxiliary supporting structure comprises a first supporting frame and a second supporting frame, and an adjusting plate is welded to the outer wall of one side of the first supporting frame. By arranging themounting mechanism, the second sound box shell is placed into the mounting groove in the top of the first sound box shell, the fixing rods are inserted into the corresponding adjusting openings to complete fixing, or the third side cover is opened, the second sound box shell is fixed to the third side cover, and the second sound box shell can be assembled according to the requirements of a user; the first supporting frame and the second supporting frame are adjusted according to the assembling mode of the two sound boxes, so that the two sound boxes are fixed.

The invention discloses an industrial automation control system comprehensive practical training examination device, and particularly relates to the technical field of industrial automation control, the industrial automation control system comprehensive practical training examination device comprises a workbench, and the top of the workbench is provided with a camera assembly; the camera shooting assembly comprises a shell, a camera is arranged in the shell, a micro motor for driving the camera to rotate is fixedly arranged in the shell, an open groove is formed in the side, facing the workbench, of the shell, an adsorption layer is fixedly arranged on the inner wall in the shell, and a lifting plate is fixedly arranged at the bottom of the shell. The lifting plate is movably arranged on the workbench, a friction assembly for limiting the lifting plate is arranged on the workbench, and a touch screen connected with the output end of the camera is arranged on the workbench. The current assessment process of the user can be recorded and stored through the camera assembly and the camera, and after the assessment of the user is completed, the assessment process can be played back through the touch screen, so that the user can find out own defects conveniently, and the practicability is high.

The invention relates to the technical field of electrical simulation teaching, and discloses a rail transit vehicle electrical simulation practical training device which comprises an installation cabinet, a workbench is fixedly connected to the upper portion of the front surface of the installation cabinet, a through type storage opening is formed in the upper surface of the installation cabinet, and a partition plate is integrally formed in the lower portion of the interior of the installation cabinet. A double-shaft motor is fixedly connected to the position, below the partition plate, of the lower surface of the interior of the mounting cabinet, and couplings are fixedly connected to the opposite ends of two output shafts of the double-shaft motor; through the arrangement of the mounting cabinet, a double-shaft motor, a coupler and a rotating rod are used for driving a first transmission gear to rotate, so that a second driven gear in meshed connection with the first transmission gear drives a first threaded rod to rotate, and a sealing plate can drive a lifting plate to ascend or descend through a first threaded sleeve in threaded connection with the first threaded rod; and therefore, an electrical simulation practical training board can be stored in the installation cabinet through the storage opening for protection.

The invention provides a photovoltaic glass and a photovoltaic power generation system, which relates to the technical field of power generation system. The photovoltaic module provided by the invention comprises a photovoltaic glass and a terminal box. The tempered glass film is covered on one side of the power generation layer which absorbs sunlight, and the back plate is bonded on the side of the power generation layer which is opposite to the tempered glass film. The junction box is connected with the power generation layer to alleviate the technical problem that the toughened glass of thefront plate in the photovoltaic module is easy to generate more light loss in the related art.

The invention belongs to the technical field of unmanned aerial vehicles, particularly relates to an unmanned aerial vehicle system applied to intelligent traffic, and provides the following scheme for solving the problem that existing unmanned aerial vehicle application cannot effectively monitor and photograph vehicles violating traffic and direct the traffic. The unmanned aerial vehicle system comprises an unmanned aerial vehicle body, the unmanned aerial vehicle body comprises an unmanned aerial vehicle shell and driving paddles, the unmanned aerial vehicle body is in wireless communication connection with a take-off and landing platform, the take-off and landing platform is in communication connection with a control terminal, a camera device is arranged at the front end of the unmanned aerial vehicle shell, and four buffer leg structures are arranged at the bottom of the unmanned aerial vehicle shell. An opening is formed in the bottom of the unmanned aerial vehicle shell, and a cover plate is rotationally mounted on the side of the opening. The system is simple in structure and convenient to operate, can monitor and photograph vehicles violating traffic and direct the traffic, reduces the labor intensity, and improves the working efficiency.

The invention belongs to the related technical field of communication equipment, and particularly relates to an illuminable optical communication equipment device which comprises an outer frame, a protective cover, a rotating platform, clamping blocks, a ventilation opening and a base, the protective cover is arranged on the front surface of the outer frame, the rotating platform is arranged belowthe outer frame, and the clamping blocks are arranged on the two sides below the rotating platform. A ventilation opening is formed in the lower portion of the outer side of the outer frame, a base is arranged on the lower portion of the outer side of the ventilation opening, LED lamps are arranged in the outer frame, a dust cover is arranged on the surface of the front portion of each LED lamp,a first rotating rod is arranged above each dust cover, and first rotating bolts are arranged on the two sides of each first rotating rod. By arranging the dustproof cover, an effective protection anddustproof function can be achieved on the LED lamp, in the using process, protection and dustproof treatment can be conducted on the LED lamp according to the using requirement, the situation that the service life of the LED lamp is shortened due to the fact that external dust enters the LED lamp is avoided, and therefore the using effect of the device is effectively improved.

The invention discloses an oil field 10kV distribution line topological graph model device capable of reactive compensation, which comprises a display board, a support column, a base, a fixing rod and an adjusting plate, and is characterized in that the display board is fixedly mounted at the upper end of the support column, the lower end of the support column is fixedly mounted in the middle of the upper end of the base, and the side of the display board is connected with the fixing rod; an adjusting plate is mounted on the fixing rod; the baffle is arranged at the upper end of the supporting column, a protective side plate is arranged at the lower end of the baffle, a center shaft is connected to the end of the protective side plate, and a torsion spring is connected to the outer side of the center shaft; and the lower end of the movable column extends into the base, and the side of the movable column is fixedly connected with an abutting plate. According to the oilfield 10kV distribution line topological graph model device capable of reactive compensation, a certain dustproof protection effect can be achieved on a display plane in the process that display is not needed, meanwhile, the stability of the device can be improved, and the phenomenon that the device topples over after being touched by external force is avoided.