55results about How to "Avoid impact deformation" patented technology

The invention discloses a cover assembly, a shell assembly, a shell assembly processing method and a mobile terminal. The cover assembly comprises a circuit board, a front camera module, a plastic cover and a reinforcing plate, wherein the front camera module comprises an image sensor, and the image sensor is arranged on the circuit board; the plastic cover is located at one side, away from the front camera module, of the circuit board; and the reinforcing plate is arranged on the surface of one side, facing the front camera module, of the plastic cover and is arranged correspondingly to the front camera module. According to the cover assembly of the invention, when the plastic cover is impacted, the reinforcing plate plays a role of reinforcement, the deformation generated by the plastic cover can be greatly reduced, the plastic cover can be prevented from being impacted and deformed to a certain degree, the impact force can be prevented from being transferred to the image sensor, reliable protection on the image sensor is further realized, and failure of the front camera module is prevented.

The invention relates to powder metallurgical formulas for internal and external rotors of a hydraulic slippage pump. According to actual working conditions and structural stress analysis on every part, two different formulas are adopted in the powder metallurgical formulas of the internal and external rotors, wherein powder for the internal rotor comprises 0.7-0.9% of carbon, 2-3% of nickel, 1.5-2.5% of copper and the balance iron powder; and the powder for the external rotor comprises 0.5-0.8% of carbon, 0.5-1.8% of nickel, 2-3% of molybdenum, 2-3% of manganese and the balance iron powder. The manufacturing method of the internal and external rotors of the hydraulic slippage pump includes: compressing, sintering, tempering, half finely processing, chamfering, finely reforming, finely processing, polishing for burring, cleaning and anti-corrosion processing. The internal rotor and the external rotor are manufactured according to the different formulas, defect of cycloid internal and external rotors of an existing slippage pump is effectively overcome, and the manufactured internal and external rotors are resistant to high temperature, abrasion and impact and is long in service life, and can meet requirements on long-time on-load operation and avoid damages to a main pump and other parts.

The invention discloses a pipe expanding machine capable of automatically charging and blanking and capable of automatically separating finished products from waste products. The pipe expanding machine comprises a molding cabinet, an automatic charging mechanism and a blanking detection mechanism which are arranged at two sides of the molding cabinet of the pipe expanding machine, and a blanking bin; the blanking detection mechanism comprises a base; two mounting pillars are arranged on the base; the outside surfaces of the two mounting pillars are respectively provided with a first outwards extending first unloading cylinder respectively; the end part of a piston rod of each first unloading cylinder is provided with a second discharging cylinder in the same direction; an unloading arm is arranged at the end part of the piston rod of each second unloading cylinder; a material taking cylinder is arranged on each unloading arm; the end part of the piston rod of each material taking cylinder is provided with an unloading block; rotary parts are arranged at the opposite surfaces of the two unloading blocks, each rotary part is provided with a conical end part; one of the unloading blocks is provided with a motor for driving the rotary part to rotate; the positions, over against the rotary parts, of the two mounting pillars are provided with a profile measuring instrument respectively; the blanking bin comprises a finished product bin and a waste product bin which are arranged in parallel along the material taking direction.

The invention discloses a self-resetting lead rubber isolation bearing, and belongs to the technical field of building and bridge isolation, comprising an upper connecting plate, a lower connecting plate, a sliding support cylinder and a lead rubber bearing; the lead rubber isolation bearing comprises an upper connecting plate, a lower connecting plate, a sliding support cylinder and a lead rubberbearing. A low surface of that upper connecting plate is fixedly provided with a sliding plate and has a curved surface protruding downward; A low part of that sliding support cylinder is fixedly connecting with a lower connecting plate, and an upper part is slidably connected with a curved surface of the sliding plate; A low part of that lead rubber support is fixedly connecting with a lower connecting plate, and an upper connecting plate of the lead rubber support is fixedly arrange on the upper part; An inn horizontal force transmission ring is fixedly arranged on that sliding plate, and an outer horizontal force transmission ring is fixedly arranged on the connecting plate on the lead rubber bearing, and the inner horizontal force transmission ring is nested inside the outer horizontal force transmission ring, and the inner horizontal force transmission ring and the outer horizontal force transmission ring can vertically slide relative to each other. Lead rubber is not affected byvertical tensile and compressive loads, has good stability, fully exerts its horizontal energy dissipation capacity, and has good self-resetting function of the isolation bearing, thereby integrallyimproving the safety performance and the seismic resistance of the invention.

The invention discloses a textile water spraying device. The textile water spraying device comprises a base, wherein the upper surface of the base is fixedly connected with a water tank; a water spraying box is longitudinally inserted into the base; the upper surface of the water tank is fixedly connected with a rubber support seat; the vertical inside wall of one side of the water tank is fixedlyconnected with a first water level sensor; the upper surface of the rubber support seat is fixedly connected with a water suction pump; the vertical inside wall of one side of the water suction pumpis fixedly connected with a connecting pipe; the outer wall of one side, away from the water suction pump, of the connecting pipe is fixedly connected with a buffer box; the outer wall of one side, away from the connecting pipe, of the buffer box is fixedly connected with a transverse pipe; the outer wall of one side, away from the buffer box, of the transverse pipe is movably connected with a rotary shaft. The textile water spraying device has the advantages that the structure is simple, and the operation is convenient; by additionally arranging the water collection and recycling device and the water level sensing device, the water resource is saved; the normal and ordered working is guaranteed, the easiness in impact deformation of the fabric is avoided, and the fabric is thoroughly sprayed with water.

The invention provides a novel automatic clothes hanger and an assembling method thereof. The clothes hanger comprises a mainframe, a folding frame, and an airing rod frame. The folding frame is connected with the mainframe and the airing rod frame in a liftable manner. The mainframe is used to control the folding frame to automatically lift. The airing rod frame comprises a pair of fixed supportsand a pair of clothesline poles. The fixed support is detachably connected with the clothesline pole. The lower end of the folding frame is connected with the fixed support. Each clothesline pole isprovided with a main rod, a pair of slave rods, a holding groove, and a plurality of suspension loops. The slave rod is connected with two sides of the main rod in an extension manner. The holding groove is arranged on the bottom surfaces of the main rod and the slave rod in a horizontal manner. The suspension loop is detachably connected with the holding groove, so as to adjust the distance between the suspension loops. Thus, the detachable suspension loops replace hanging supports, volume of the clothesline pole is greatly reduced, transportation space is saved, and transportation cost is reduced.

The invention discloses wearable equipment with a life health information detection function, relates to the field of wearable health equipment, and solves the problems that heat, sweat and steam cannot circulate smoothly and the skin at the wrist is moist and uncomfortable due to the fact that the rear shell of a watch is directly attached to the skin in existing wearable equipment. The wearableequipment comprises a watch body, which comprises arc-shaped rubber blocks and a supporting column, wherein the whole watch body is of a circular structure, a circular rear shell covers the back of the watch body in a locked and buckled mode, a circle of arc-shaped rubber blocks are fixed to the circumferential outer wall of the watch body in an annular array mode, a rubber ring is fixed to the front end face of the annular shell of the watch body, the supporting column protrudes backwards from the center of the back of the watch body, and a heart rate sensor is installed at the head end of the supporting column in an embedded mode. According to the invention, the arc-shaped rubber blocks and the rubber ring are used in cooperation, so that the watch body can be comprehensively and effectively protected.

The invention discloses a lock bar capable of being locked back urgently. The lock bar comprises a lock body, a lock slot and a back locking mechanism. One side of the lock body is provided with a lock bolt capable of telescoping in a driving manner. The lock slot is formed in one side, provided with the lock bolt, of the lock body. The lock bolt is used for penetrating through the end portion ofthe lock slot and is provided with a through hole penetrating through the upper end face and the lower end face of the lock bolt. The back locking mechanism is arranged in the lock slot. By means of the manner, when an operator operates and uses the lock bar, the operator only needs to pull a pulling rod downwards so that a back locking shaft can be restrained and fixed through an abutting-againstblock, after a door is closed, under the circumstances that the lock is pried or unlocked through other trying ways outside, a second pulling ring can be directly pulled, thus the abutting-against condition between the abutting-against block and the back locking shaft is relieved, a first spring drives the back locking shaft to be popped upwards and penetrate through the through hole in the lockbolt, thus the lock bolt is forced to be locked, at the moment, even if people outside the door have a correct key, relieving cannot be directly achieved, even the driving relation between the lock bolt and a lock cylinder will be locked, and thus people outside the door mistakenly think that the key does not correspond to the lock and are confused. According to the scheme, the back locking response is rapid, and operation is convenient.

The invention discloses a visual filter capable of automatically blowing gas and a filtering method thereof. The filter comprises a filtering diaphragm, a filtration chamber and a sample gas chamber, wherein the filtering diaphragm is installed in a main cavity, the filtration chamber and the sample gas chamber are separated on the two sides of the filtering diaphragm; the edge of the filtering diaphragm is provided with a seal ring; one end of the main cavity is an opening; the middle of a bottom plate on the other end is inserted with an outlet nozzle communicated with the sample gas chamber; a branch block, the filtering diaphragm, an inner cover, a glass window and a junk ring are successively installed from the bottom plate of the main cavity to the opening in the main cavity; the sample gas chamber is surrounded by one side of the filtering diaphragm, the bottom plate of the main cavity and the branch block; and the filtration chamber is sounded by the other side of the filtering diaphragm, the inner cover and the glass window. The invention is suitable for the rear end of sample gas processing; and sample gas is used before entering an on-line analyzer to obtain the purposes of dedusting and dehydrating, and the sample gas obtains high quality approaching to that of the standard gas.

The invention discloses a steel plate blanking blocking device which comprises a base plate which is vertically and fixedly arranged, wherein the supplied material entering direction of the base plate is provided with a working face for blocking and dropping the supplied materials; and a buffer component which can generate elastic buffer deformation under the impact of the supplied materials is arranged on the working face. By utilizing the buffer component structure which is arranged on the base plate and has the elasticity, the supplied materials are effectively blocked and buffered; and after the steel plates are impacted, disintegrating slag does not drop, and the surface quality of stacked steel plate is guaranteed; and meanwhile, the blocking device can be used for a long time and is not required to be frequently maintained, the use cost is reduced, and the production efficiency is improved; and moreover, because the buffer component has the elasticity, the quality of the impacted end of the steel plate is protected, and the impact deformation is prevented.

The invention discloses a hopper bearing device of a road surface paver, belonging to the engineering machinery. The device comprises two sets of symmetrical supporting frames respectively arranged at the lower parts of a left hopper and a right hopper of the paver; each supporting frames comprises a hopper holding plate, a frame bearing plate, a frame fixing plate, a track bearing plate and a track fixing plate; the shape and the size of the hopper holding plate are matched with that of a hopper bottom plate of the paver; when the hopper of the paver is fully unfolded, the hopper bottom plate clings to the hopper holding plate; the frame fixing plate is fixed at the outer side of a frame beam; the upper end of the frame bearing plate is connected with the hopper holding plate while the lower end thereof is overlapped at the upper end of the frame bearing plate; the track fixing plate is fixed at the outer side of a track beam; and the upper end of the track bearing plate is connected with the hopper holding plate while the lower end thereof is fixed at the outer side of the track fixing plate through a bolt. The invention has the positive effects of: decomposing the impact force suffered by the hopper onto the frame so as to ensure that the stress of the hopper is rational and the service life of the hopper is prolonged, and ensuring that the mounting and the dismounting are convenient.

The invention discloses a wet-method desulphurization device for micropressure flue gas and a seawater or reclaimed water desulphurization device. In the wet-method desulphurization device for the micropressure flue gas, a water pump is used for pumping filtered lime water in a water collecting tank into a desulphurization water tank; the flue gas flows through a main flue pipe and an organic silicon rubber flue pipe and comes out from a hard plastic pipe below blended cotton cloth on the desulphurization water tank, and reaction that SO2+Ca(OH)2=CaSO3+H2O is generated; nitrogen in the flue gas slowly flows through the wet blended cotton cloth on the desulphurization water tank, and then is discharged from a chimney above the desulphurization water tank; sewage after desulfurization passes through a water baffle and reaches an aeration tank; air from an air blower passes through sponge laid on the aeration tank via a main air pipe and a rubber air pipe, and is blown out from the hard plastic pipe; calcium sulfate is generated in the aeration tank, and then flows into a sedimentation basin for settling; lime water overflowing from the sedimentation basin flows into the water collecting tank, and is pumped out by the water pump for recycling. In the seawater or reclaimed water desulphurization device, the flue gas firstly enters below the blended cotton cloth of an absorption water tank, and then flows through the desulfurization water tank, the aeration tank and the sedimentation basin for treatment.

The invention belongs to the technical field of clothing treatment. In order to solve the problem that in an existing clothing treatment device, a counter weight is installed on an outer cylinder, andeccentric rotation of an inner cylinder cannot be effectively balanced, the clothing treating device comprises an outer cylinder and an inner cylinder which is rotationally arranged in the outer cylinder, and the clothing treating device further comprises a counter weight assembly, wherein the counter weight assembly is arranged on the inner cylinder so as to balance the rotation of the inner cylinder. In the clothing treating device, the counter weight assembly is installed on the inner cylinder of the clothing treating device, when the inner cylinder eccentrically rotates, the rotation of the inner cylinder can be balanced, the acting force between the inner cylinder and the outer cylinder is reduced, the anti-fatigue capacity of a connecting part of the inner and outer cylinders is reduced, the service life of the connecting part is prolonged, and the clothing treating device can keep running stability for a long time.

The invention relates to a polyurethane lining plate and a preparation method thereof, and belongs to the field of wear-resistance protection of equipment. The polyurethane lining plate consists of a prepolymer and a curing agent containing an ether bond at a weight ratio of 100 to (8-12), wherein the prepolymer is prepared from the following raw materials in parts by weight of 100 parts of polyhydric alcohol, 35-50 parts of isocyanate, 5-10 parts of silicon carbide particles, 0.3-0.8 part of an organotin catalyst and 0.04-0.15 part of a coupling agent. With the adoption of the polyurethane lining plate provided by the invention, the structural strength of a polyurethane elastomer is improved and the hydrolysis property of the polyurethane elastomer is reduced; the wear resistance of the product is effectively improved; the softness of the ether bond is improved and the rigidity of the ether bond is realized, so that not only can various physical and mechanical properties of the elastomer be ensured, but also the hydrolysis resistance stability and strength of the polyurethane lining plate are improved, the impact deformation is prevented and the more firm structure is realized; the mounting and dismounting processes are simple and convenient, the processing intensity of an inner liner of the equipment is reduced, and the lining plate is convenient to replace; the shut-down time for maintenance of the equipment is shortened, the investment cost caused by equipment production is reduced, and the production efficiency is improved.

The invention relates to the technical field of metal decorating product machining, and discloses an automatic feeding device of a metal decorating machine for machining metal decorating products. The automatic feeding device comprises a rack, wherein an overturning conveying assembly is arranged on the left side of the interior of the rack, a plurality of evenly-distributed placing frames are fixedly connected to the surface of a conveying chain of the overturning conveying assembly, a horizontal conveying assembly is arranged at the position, located on the right side of the overturning conveying assembly, in the rack, a conveying belt of the horizontal conveying assembly is located on the right side of the placing frames, a movable plate is movably arranged at the position, located on the right side of the overturning conveying assembly, in the rack, a buffer plate is arranged on the right side of the movable plate, and the left end of the buffer plate is fixedly connected with a plurality of uniformly distributed sliding rods. According to the automatic feeding device of the metal decorating machine for machining the metal decorating products, anti-collision buffering can be conducted on the metal decorating products, the phenomenon of metal decorating impact deformation caused by conveying inertia is effectively prevented, the overall machining efficiency is indirectly improved, meanwhile, the metal decorating products can be prevented from moving and deviating, and the application range is wide.

The invention relates to a geotechnical engineering side slope drainage structure. The geotechnical engineering side slope drainage structure comprises a side slope and first drainage assemblies, the first drainage assemblies are arranged on the outer side of the side slope at equal intervals, an arc-shaped groove is dug in the top of the side slope, and the situations of backflow and reverse osmosis caused by accumulation of a large amount of rainwater or sewage in an arc-shaped plate can be avoided; a first filter screen can preliminarily filter rainwater or sewage entering the arc-shaped plate, the situation that rock soil sliding off from the side slope enters the arc-shaped plate to cause blockage is avoided, the drainage efficiency is higher when a small amount of water is drained, and the situation that the small amount of rainwater or sewage is accumulated in the arc-shaped plate and is difficult to drain due to the fact that a second drainage assembly is too long is avoided; sewage entering a water conveying square pipe can be limited, and the situation that the purification effect of a filtering assembly becomes poor due to the fact that the impact force of the discharged sewage is too large is avoided; and meanwhile, the situation that the water conveying square pipe is impacted and deformed is avoided, and a second filter screen and a third filter screen which are blocked after being used for a long time can be conveniently washed and cleaned.

The invention discloses a safe floating mechanism for an offshore platform and a lifting system of the offshore platform. The safe floating mechanism comprises a locking pin assembly and a floating base. The locking pin assembly is mounted in the middle of the floating base. The safe floating mechanism further comprises a plurality of buffer devices and a plurality of guide plates. The buffer devices are mounted at the upper end and the lower end of the floating base, and the guide plates are bolted to the left side and the right side of the floating base. The safe floating mechanism for the offshore platform is suitable for the hydraulic pin type lifting system of the offshore operation platform and is used for locking a pile leg and achieving a radial restraining and fastening effect on the pile leg to ensure uniform distribution of a load. Compared with a pin mechanism fixedly mounted in a pile fixing frame (7), by adoption of the safe floating mechanism for the offshore platform, collision deformation between a locking pin shaft and the pile leg is avoided, the safe reliability is improved, and the service life is prolonged.

The invention discloses an octagonal pile leg provided with a safe floating mechanism. The octagonal pile leg comprises a pile leg main body, a floating lockpin mechanism and a lockpin installation ring beam, wherein the pile leg main body comprises a platform partition board, a coaming and a guide plate; the floating lockpin mechanism comprises a locking pin assembly, a floating base, a plurality of shock absorbers and a plurality of sliding plates. The octagonal pile leg installs the floating lockpin mechanism on the lockpin installation ring beam in a suspension manner through the sliding plates and the shock absorbers, the pile leg main body is locked, and at the same time, the pile leg main body and the floating lockpin mechanism move together under impact of the sea wave, that is, the floating lockpin mechanism and the pile leg main body keep relative rest; and compared with the existing plug pin mechanism fixedly mounted on the lockpin installation ring beam, the floating lockpin mechanism avoids impact deformation of a locking pin shaft and the pile leg main body to improve safe reliability and prolong service life.

The invention discloses a formaldehyde-free environment-friendly glass wool felt storage device, relates to the technical field of glass wool felt storage devices, and solves the problems that the existing storage device needs manual deep participation in unloading, repeated and tedious moving actions are carried out, the labor intensity of workers is large, labor is wasted, so that the unloadingefficiency is low. The formaldehyde-free environment-friendly glass wool felt storage device comprises a supporting plate and a base plate, the base plate comprises vertical supporting top blocking shafts, main vertical supporting rods and side backup plates, an L-shaped inserting rod is inserted into the plate surface at the corner of the left end of the rear side of the base plate through pushing of a spring in a penetrating mode, the four vertical supporting top blocking shafts and four main vertical supporting rods are symmetrically welded and supported on the plate surfaces at the front outer eave and the rear outer eave of the base plate, and the four vertical supporting top blocking shafts are located among the four main vertical supporting rods. The two side backup plates can clamp, block and position a wool felt heat preservation cylinder which is lifted to the topmost layer, and the wool felt heat preservation cylinder is prevented from sliding off and falling off from the left side and the right side in the pushing and discharging process.

The invention relates to an adjustable combined type electronic heat dissipation device, which comprises a box body, wherein four corner heat dissipation bodies which are matched with the inner wall of the box body in an inserted mode and are symmetrically arranged at intervals are arranged in the box body; a plurality of first notches and a plurality of second notches are formed in the corner heat dissipation bodies; a plurality of first folded plates and second folded plates which are connected with the corner heat dissipation bodies and are arranged in a staggered manner are vertically arranged on the first notches; a plurality of third folded plates and fourth folded plates are arranged on the second notches; a plurality of third notches and fourth notches are formed in the inner wallof end heat dissipation bodies; adjusting screw rods are arranged in supporting blocks of the bosses of the end heat dissipation bodies; an adjusting nut is arranged outside each adjusting screw rod;the head ends of the four corner heat dissipation bodies are each connected with a fan cover internally provided with a fan; and an S-shaped cold water pipes are arranged in the end heat dissipation bodies. According to the adjustable combined type electronic heat dissipation device, the four detachable corner heat dissipation bodies which are matched in an inserted mode are combined with the adjustable end heat dissipation bodies, the installation is convenient, the application range of the electronic heat dissipation device is widened, the larger heat dissipation and contact area is achieved, heat dissipation energy efficiency is improved through air cooling and water cooling combination and baffling, and the heat dissipation use requirements of electronic components are met.

The invention discloses a positioning tool in the technical field of cooling plate casting. The positioning tool comprises a fixing part and a connecting part. The connecting part comprises a first connecting plate and a second connecting plate, a closed cavity is formed in the second connecting plate, and two connecting holes communicating with the cavity are formed in the wall body of the same side of the second connecting plate. Two closed cavities and two sets of overflow holes are formed in the first connecting plate, each set of overflow holes comprise a water inlet and a water outlet, and the two water outlets are located in the same side of the first connecting plate. The fixing part comprises multiple sets of fixing parts. Each fixing part comprises a first mounting plate, a second mounting plate and two strut blocks, wherein the first mounting plate and the second mounting plate are fixedly connected through the two strut blocks, limiting holes in clearance fit with pipe fittings are formed in the two strut blocks, and supporting tables for containing sand cores are arranged on the opposite sides of the two strut blocks. Abutting blocks for abutting against the sand coresare detachably connected to the second mounting plates, and the pipe fittings in an aluminum alloy cooling plate can be effectively positioned through the positioning tool.

The invention discloses a sand making machine, which comprises a housing horizontally arranged, wherein the housing is cylindrical; a central cylinder is fixedly connected to the inner bottom surfaceof the housing; a first rotating plate is horizontally arranged above the central cylinder; a fixed ring is fixedly connected to the bottom surface of the first rotating plate; a fixed groove matchedwith the fixed ring is formed in the upper surface of the central cylinder; the fixed groove is annular; the fixed ring is rotationally connected with the fixed groove; the bottom surface of the firstrotating plate is fixedly connected with a main shaft; the main shaft is vertically arranged; the main shaft is rotationally connected with the inner bottom surface of the housing; the main shaft isfixedly connected with a first gear; and one side of the main shaft is provided with a first motor. According to the sand making machine, crushed materials are divided into two parts; one part of thecrushed materials performs centrifugal motion after being accelerated to impact on the other part of the crushed materials, and meanwhile, impacts on a crushing plate to perform primary crushing; andthe crushed materials are subjected to secondary crushing by a crushing roller, so that the crushed materials are crushed more thoroughly; the effect of crushing the crushed materials is better; and the sand making machine is more practical.

The invention relates to the technical field of middle-high voltage switch cabinets, in particular to a novel door plate locking device and a locking method. The novel door plate locking device comprises a door frame and an inner door, wherein left square bracket-shaped plates are inlaid in the left side, the upper side and the lower side of the door frame, inserting plates with inserting holes are arranged in the left square bracket-shaped plates, and the inserting plates are fixedly connected to the inner door; vertical rods synchronously moving in opposite directions are arranged at the left side of the door frame, the outer ends of the vertical rods are connected with transverse rods through steering mechanisms, the transverse rods and the vertical rods move synchronously, the transverse rods and the vertical rods move transversely, the vertical rods and the transverse rods are located at the outer sides of the corresponding inserting plates, the extending directions of the inserting holes are parallel to the corresponding vertical rods and the transverse rods, and L-shaped inserting rods are arranged at one sides of the vertical rods and the transverse rods; and the inner ends of the inserting rods penetrate through the left square bracket-shaped plates and are opposite to the inserting holes. According to the novel door plate locking device and the locking method, a rotating handle can be rotated to drive a driving gear to rotate, so that the door frame and the left side, the right side and the upper side of the inner door are fixed together, the weak point of arc spraying is prevented, and the situation that the upper side or the lower side of a cabinet door is impacted and deformed by strong arcing airflow is prevented.

The invention provides a power adapter and an electronic equipment assembly. The power adapter comprises an adapter body, the adapter body comprises a pin and a shell, and the pin is borne in the shell; the turning cover is movably connected to the shell so that the power adapter can be in a closed state and an opened state, the turning cover is provided with a first surface and a through hole located in the first surface, when the power adapter is in the closed state, the turning cover is closed on the adapter body, and when the power adapter is in the opened state, the turning cover is closed on the adapter body. The pins are accommodated in the shell and / or the flip cover; when the power adapter is in an open state, the flip cover is turned over to expose the adapter body, the pins are exposed out of the through holes of the first surface, and the first surface forms a plugging surface of the power adapter. The pins of the power adapter provided by the invention are not easy to damage.

The invention discloses a glasses box. Guide rails are fixedly connected to the two sides of a first shell and the two sides of a second shell correspondingly, a glasses storing and cleaning box is slidably connected to one sides of the guide rails, sliding grooves are formed in the two sides of the glasses storing and cleaning box correspondingly, and glasses cleaning mechanisms are arranged at the two ends, close to the first shell and the second shell, of the glasses storing and cleaning box correspondingly; a drainage connecting plate is fixedly connected to one side of each glasses cleaning mechanism, a first through hole and a second through hole are formed in the top of the drainage connecting plate, glasses fixing rods are fixedly connected to the tops, close to the two sides of the glasses storing and cleaning box, of the drainage connecting plates, and a glasses detection device is fixedly connected to the bottom of the inner wall of the glasses storing and cleaning box; theN pole of a magnet is right opposite to the first electromagnet below, and a one-way valve is arranged in the magnet. The invention relates to the field of cleaning device. According to the glasses box, a user does not need to take down glasses for cleaning, additional auxiliary tools such as water and wiping rags are not needed, use is not affected within a short time, and time and labor are saved.

The invention relates to the technical field of highway guardrails, and discloses a forced movable energy-absorbing safety guardrail which comprises a base, a vertical pile is fixedly mounted at the top of the base, a vertical pile reinforcing plate fixedly connected with the vertical pile is fixedly mounted at the top of the base, and a connecting screw rod is inserted into the vertical pile. According to the forced movable energy-absorbing safety guardrail, during collision, an automobile body of an automobile can also make contact with a buffering ferrule and press the buffering ferrule and a connecting shaft, the automobile body moves relative to the buffering ferrule in the continuous moving process to absorb energy, impact borne by the connecting shaft is transmitted to a connecting plate and absorbed by the buffering spring, the connecting plate is limited by the limiting rod to transversely move towards a buckle plate, and after the limiting rod is deformed and staggered, the buckle plate and the connecting plate are matched in an internal flexible layer to deform and absorb impact energy, and finally the impact energy generated by collision is absorbed, so that the purpose of forced movable energy absorption is achieved.