22results about How to "Slow down the reset speed" patented technology

The invention discloses intelligent three-dimensional projection display equipment, and relates to the technical field of three-dimensional projection equipment, the intelligent three-dimensional projection display equipment comprises a shell, a base and holographic projection glass, the base is fixedly connected in the shell, the number of the holographic projection glass is four, the four pieces of holographic projection glass are fixedly connected with one another and fixedly connected to the base, and the holographic projection glass is arranged in the shell. The holographic projection equipment comprises a shell, holographic projection glass is arranged on the shell, projection equipment is arranged on the upper portion of the holographic projection glass, a display screen is fixedly connected to the outer side of the shell, an access door is hinged to the outer side, close to the display screen, of the shell, and a shielding assembly capable of shielding the projection display equipment according to light rays is installed in the shell. The problems of light reflection, color fading, blurring and the like of a projection picture are avoided, the shading cloth can reduce the influence of ambient light on projection light rays, accurate restoration of colors is ensured, and the position and the unfolding size of the shading cloth can be flexibly adjusted, so that the shading applicability is improved.

The present invention discloses a conveying device for producing plastic handicrafts, and relates to the technical field of conveying equipment for plastic handicrafts, comprising a vehicle body and a conveying box, wherein a rotating shaft is rotatably passed through the bottom of the vehicle body, and wheels are fixedly installed on the surface of the rotating shaft, and also comprises a shock absorbing device, wherein the conveying box is placed inside a base, the hollow sleeve is fixedly installed on the bottom of the base, the mounting block is fixedly installed on the surface of the hollow sleeve, the flip plate is rotatably installed on the surface of the mounting block, the connecting plate is rotatably passed through the bottom of the hollow sleeve, the Z-shaped piece is fixedly installed on the top of the chassis, and the abutment plate is fixedly installed on one end of the Z-shaped piece close to the connecting plate. By arranging the elastic Z-shaped piece, the downward moving distance of the telescopic end of the buffer damper is effectively controlled, thereby improving the buffering effect of the buffer damper.

The present invention relates to the technical field of battery boxes, and specifically to a high-strength, earthquake-resistant, new energy lithium battery box, comprising a high-strength box body, a lithium battery module movably connected inside the high-strength box body, a box cover installed on the top of the high-strength box body by screws, and two mouth-shaped fixing frames symmetrically distributed up and down with the center of the lithium battery module on the outside of the lithium battery module, and the inner wall of the mouth-shaped fixing frame is fixedly connected to the outer wall of the lithium battery module. The present invention provides a connecting rod structure of a first connecting rod and a second connecting rod, so that when the buffer structure is compressed, the second connecting rod can push the limiting slider to slide a longer distance along the limiting slide groove, and the spring is arranged on the side of the lithium battery module, not directly on the top or bottom of the lithium battery module, and there is enough space on the side to install a longer spring, thereby improving the buffering effect.

The invention relates to the technical field of bag opening devices, in particular to a quick bag opening device capable of reducing fruit damage rate, which comprises a frame and two operating rollers rotatably arranged on the frame, and a driving component for driving the two operating rollers to synchronously rotate inwards is arranged on the frame. A plurality of annular first transverse grooves are formed in the circumferential outer wall of each working roller at intervals in the axis direction, the multiple first transverse grooves enable the circumferential outer wall of the single working roller to form roller faces distributed at intervals, and the roller face of one working roller is attached to the bottom face of the first transverse groove of the other working roller. According to the rapid bag opening device capable of reducing the fruit damage rate, fruit branches at the ends of fruits can be protected in the bag opening process, the contact area between the operation rollers and the bagged fruits is reduced, and finally the fruit damage rate is reduced.

The utility model discloses a water reducing agent concentration detects with sampling device, including empty cylinder, the empty cylinder outer surface fixedly connected with the connecting box, and the empty cylinder top insertion has the piston rod, and the connecting box is away from the piston rod one side and is equipped with the window, and the piston rod bottom fixedly connected with the piston main part, and the connecting box inside slide connection has the ration sampling mechanism, and the connecting box one side fixedly connected with the check valve mechanism, and the ration sampling mechanism includes the extrusion board, rubber block, spring no.

The invention discloses a defect detection device for PP film production, which comprises a rack device, a detection device, a detection device and a control device, the rack device is provided with a carrier roller, and the rack device is provided with a driving belt for driving the carrier roller to rotate; the polygonal mirror is arranged on the outer side of the carrier roller in an arc shape; the machine frame device comprises two sets of first machine frames, two sets of synchronous assemblies are arranged on the outer sides of the first machine frames, the two sets of synchronous assemblies are symmetrically arranged relative to the carrier roller, and industrial cameras are arranged on the synchronous assemblies and used for shooting PP films reflected on the polygon mirror. The synchronous assembly further comprises a first gear, the first gear is fixedly connected with the end of the carrier roller, an intermittent assembly is arranged on the first rack, a base is fixedly connected to the first rack, a second gear is rotationally connected to the base, and a fixing assembly used for fixing an industrial camera is arranged on the second gear. And the reset assembly is arranged on the second gear.

The invention relates to the technical field of vegetable planting, in particular to a dibbling type seeding machine for vegetable planting. Comprising a first numerical control base, second numerical control bases are arranged on the two sides of the first numerical control base, the upper sides of the first numerical control base and the two second numerical control bases are jointly and fixedly connected with symmetrically-distributed L-shaped plates, and a linearly-distributed conveying belt is arranged between the symmetrically-distributed L-shaped plates; a feeding frame is fixedly connected to the upper sides of the L-shaped plates which are symmetrically distributed, a groove is formed in the middle of the seeder, an electric rotating shaft is mounted on the feeding frame, a conveying roller is fixedly connected to the electric rotating shaft, and two groups of bulldozing plates which are distributed in a central symmetry manner are fixedly connected to the conveying roller. According to the device, the amount of pushed soil is changed through the bulldozing plates with different heights on the material conveying roller, and meanwhile, the mode of vibrating and shielding the soil is adopted, so that the extruded soil becomes loose, it is ensured that the soil thrown into holes by the feeding frame is more uniform, and normal growth of seeds is ensured.

The invention relates to a gas injector for injecting gaseous fuel, comprising an electromagnetic actuator (2) having an armature (20), an inner pole (21) and a coil (22); a closing element (3) having a valve needle (30), the closing element (3) releasing and closing a gas path (14) on a sealing seat (11), the armature (20) being connected to the closing element (3); a closed lubricant chamber (4), which is filled with a lubricant and in which the armature (20) is arranged, the lubricant ensuring lubrication of the armature (20); a flexible sealing element (51) which seals the lubricant chamber (4) with respect to the gas path (14); a restoring element (10) which is arranged in the lubricant chamber (4) and which resets the closing element (3) into a closed initial position; and a first needle guide (31), a second needle guide (32) and a third needle guide (33) provided for guiding the valve needle (30), the first needle guide (31) and the second needle guide (32) being arranged in the gas path (14) and the third needle guide (33) being arranged in the lubricant chamber (4).

The invention discloses a Yajia exercise trainer capable of adjusting confrontation strength, and relates to the technical field of strength training. The invention provides a confrontation strength adjustable Yajia exercise trainer with a protection function. Comprising a supporting frame, a supporting plate is fixedly connected to the supporting frame, a plurality of balancing weights are connected to the supporting frame in a sliding mode, a rotating piece is connected to the supporting seat in a rotating mode, a second steel rope is wound on the rotating piece, and a shoulder pad is fixedly installed on the second steel rope. Through cooperation of a second steel rope, a shoulder pad and a rotating part, a trainee can be pulled when the trainee is about to fall down in the training process, the trainee is prevented from falling on a supporting plate in a weightlessness mode, and therefore the training safety is improved, a rack drives a one-way gear to drive a connecting rod to rotate, a connecting torsional spring is twisted, and the training effect is improved. The reset speed of the lifting frame and the moving plate can be slowed down, the pulling force on the trainee is slowed down, the trainee is prevented from being dragged leftwards to fall down, and the safety coefficient during training is enhanced.

The utility model relates to the technical field of airborne signal acquisition and storage devices, and discloses a signal acquisition and storage device, which comprises a shell, a power supply adapter plate, a power supply plate assembly and a signal acquisition and processing unit are fixed in the shell through bolts, an internal cable assembly is arranged on the power supply adapter plate, and an external cable assembly is arranged on the signal acquisition and processing unit. The signal collecting and processing unit is provided with an external complete machine cable, a module cover plate is fixed to the top of the shell through bolts, and a module outer cover is fixed to the bottom of the shell through bolts. The power adapter plate, the internal cable assembly, the power panel assembly and the signal acquisition and processing unit are located in a sealed cavity formed by the module outer cover, the silica gel pad, the sealing rubber ring, the outer cover adapter plate, the shell and the module cover plate, it is guaranteed that the module can work in a severe environment, the shell is made of hard stainless steel, stability and safety of internal elements of the module are guaranteed, and the service life of the module is prolonged. And due to the integral design, the overall size is reduced, and the use is convenient.

The utility model relates to the technical field of electric vacuum pumps, in particular to an electric vacuum pump shock absorption and noise reduction device which comprises a machine body, a shock absorption assembly is arranged at the bottom of the inner side of the machine body, a noise reduction assembly is arranged on the outer side of the machine body, and two bin doors are movably connected to the front side of the machine body. The top of the noise reduction assembly is fixedly connected with a vacuum pump through screws, two guide grooves are formed in the bottom face of the inner side of the machine body, according to the improved damping and noise reduction device, noise generated when the vacuum pump works is absorbed through sound insulation cotton on the inner wall of the machine body, and the noise generated by the vacuum pump is preliminarily reduced; and residual noise can be transmitted to the inner wall of the machine body, under the action of the cavity layer, resonance conversion and sound energy consumption can be cut off, and conduction of resonance sound energy is avoided without contact, so that the purpose of noise reduction is achieved, the springback speed and amplitude of the spring are limited through the damping assembly, the spring recovers to be balanced more quickly, and the service life of the machine body is prolonged. And the damping effect can be better through the double damping design.

The utility model discloses an electronic work card for logistics distribution, which belongs to the field of logistics distribution and comprises an electronic work card, an information display screen is arranged on the front side of the electronic work card, keys are arranged on the front side of the electronic work card, a protection mechanism is arranged on the front sides of the keys and comprises air cylinders, and the air cylinders are fixedly connected to two sides of the electronic work card. A piston rod is fixedly connected to the bottom of the piston, a baffle is fixedly connected to the bottom of the piston rod, a spring is connected between the baffle and the cylinder, the spring is wound outside the piston rod, an air hole is formed in the top of the cylinder, and the top of the cylinder communicates with a buffering piece. The beneficial effects are that the protection mechanism is arranged, the protection mechanism comprises a baffle plate, and the baffle plate is used for protecting the key, so that the key is prevented from being touched by mistake; the Tesla valve is arranged, so that the resetting speed of the baffle is delayed, and sufficient use time can be provided for a user while automatic resetting is guaranteed; the front side of the baffle is provided with a plurality of anti-skid lines, so that the baffle is convenient to pull.

The invention discloses an electric vehicle tail rear goods shelf, and relates to the technical field of electric vehicle goods shelves, when the goods shelf is used, in rainstorm weather, rainwater falls on the surface of the goods shelf, and when the amount of rainwater is large or a brake occurs, the rainwater is prevented from flowing to the electric vehicle tail along a waterproof cover and dripping on the side, close to the vehicle tail, of an electric vehicle seat. Therefore, the clothes of the rider are wetted. According to the rear goods shelf for the tail of the electric vehicle, through the blocking effect of the protruding strips, the inclined face of the top of the waterproof cover and inclined grooves evenly formed in the top, after rainwater falls on the top of the waterproof cover, the rainwater is guided out to the side away from the tail of the vehicle, and meanwhile in the guiding-out process, the side close to the tail of the vehicle is blocked through the protruding strips, so that the situation that the rainwater amount is large or braking occurs is avoided; rainwater is prevented from flowing to the tail of the electric vehicle along the waterproof cover and dripping on the side, close to the tail, of the seat of the electric vehicle, and clothes of a rider are prevented from being soaked.

The invention relates to the technical field of automobile manufacturing, and discloses a double-material detection support, connecting rods are movably connected to the positions, close to the periphery of the edge, of the interior of an upper support body in a sleeving mode, vibration reduction components are movably connected to the surfaces of the connecting rods in a sleeving mode, and spherical connectors are arranged at the bottoms of the connecting rods; the end, away from the upper support body, of each spherical connector is movably sleeved with a lower support body, a suction cup base is arranged at the bottom of each lower support body, an adjusting mounting head is fixedly connected to one side of the surface of the upper support body, and the side, away from the upper support body, of the adjusting mounting head is movably sleeved with an adjusting support. Round through holes are formed in the positions, movably connected with the connecting rods, of the upper support body, and through the arrangement of the adjusting mounting head and the adjusting support, the adjusting support can be pushed to move on the surface of the adjusting mounting head according to needs in the actual use process, so that the adjusting support drives the connector to deviate; practicality and convenience are improved, and use limitation is reduced.

This utility model discloses a pivot rotation handle mechanism, including an insulating housing and a lever component and conductive terminals disposed on the insulating housing. The insulating housing has a plug-in opening for inserting wires. In this solution, the installation structure and position of the pivot joint in the lever component are improved. The conductive terminals and the protrusions on the bottom wall of the insulating housing cavity form a hole for the pivot joint to connect, which helps to improve the assembly speed. Moreover, the pivot joint on the side of the arm is basically located at the bottom wall of the insulating housing cavity. This design structure helps to lengthen the lever arm, thereby allowing the lever component to be turned with less force, which is more labor-saving.

The present invention provides a compact magnetic buffer door stopper, which belongs to the field of door stopper technology. It solves the technical problem that the buffer damping of the existing door stopper is relatively hard and will bounce off when the door body is closed. The compact magnetic buffer door stopper includes a base, a damping plate that can slide back and forth is provided in the base, and a metal plate that can swing up and down along the sliding direction of the damping plate is connected to the rear end of the damping plate, and a buffer device that provides resistance for the damping plate to move backward is provided between the damping plate and the base, and friction blocks that can move left and right are provided between the left and right sides of the damping plate and the base. When the damping plate slides back and forth, the damping plate can rub against the friction block or drive the friction block to rub against the base. When the damping plate slides forward, the pressing force on the friction block in the left and right directions is greater than the pressing force on the friction block in the left and right directions when the damping plate slides backward. The present invention can effectively alleviate the phenomenon of bouncing off.

The invention discloses an intelligent water meter, and relates to the field of water supply measurement, the intelligent water meter comprises a meter body, the top of the meter body is provided with a dial plate, the top of the meter body is rotatably connected with a top cover, the interior of the meter body is fixedly connected with a water inlet connecting pipe through the rear part, the interior of the meter body is fixedly connected with a water outlet connecting pipe through the front and back part, and the interior of the water outlet connecting pipe is provided with a non-return structure; the non-return structure comprises two non-return plates, a molding block is fixedly connected to the interior of the water outlet connecting pipe, the two non-return plates are arranged in the molding block and are symmetrical to each other, two pairs of fixing blocks are arranged in the molding block and located at the top and the bottom, a connecting block is rotationally connected between each pair of fixing blocks, and the connecting blocks are fixedly connected with the non-return plates. Through the arrangement of the non-return structure, water flow backflow can be avoided, and precise metering components in the meter body are effectively protected against damage caused by impact of water flow backflow.

The invention discloses a semiconductor device post-packaging transfer device and a semiconductor production line, the semiconductor device post-packaging transfer device comprises a material taking and placing assembly and a moving assembly, and the moving end of the moving assembly is provided with a material storage assembly and a tray assembly; the tray assembly is provided with a mounting groove, the mounting groove is slidably connected with a sliding plate, the mounting groove is divided into a first groove and a second groove by the sliding plate, and the first groove is closer to the taking and placing position than the second groove; the tray assembly is provided with an elastic unit on the side, away from the taking and placing position, of the sliding plate and provided with a damping assembly on the side, close to the taking and placing position, of the sliding plate. The moving assembly is used for driving the moving end of the moving assembly to move in an accelerated mode in the direction close to the taking and placing position, so that the sliding plate moves in the direction close to the second groove, the size of the first groove is increased, meanwhile, the tray assembly moves to the taking and placing position, and the semiconductor device is conveniently placed into the first groove by the taking and placing assembly; and the sliding plate is gradually reset to realize flexible placement of the semiconductor device.

The utility model relates to the technical field of exhibition curtain walls, and discloses an exhibition curtain wall with moving and overturning functions for an exhibition hall, which comprises a curtain wall body, the bottom end face of the curtain wall body is fixedly connected with a rotating shaft, the rotating shaft is fixedly connected with a base through a bearing, and the inner wall of the base is provided with a limiting component. According to the exhibition curtain wall with the moving and overturning functions for the exhibition hall, a magnetic part is magnetically connected with a magnet, the magnet is pulled to move towards the magnetic part, so that a limiting column is connected with a mounting block in an inserted mode, then the curtain wall body is limited, a sliding column is pulled outwards, the limiting column cancels limiting of the curtain wall body, and at the moment, the curtain wall body can be rotated; the spring pushes the mounting plate and the magnet to reset, so that the magnet is located at the position where the magnet and the magnetic part can attract each other, the operation steps of limiting the curtain wall body and canceling limiting are simplified, the working efficiency is improved, the damping feeling between the base and the limiting column can be increased through the rubber strip, and then sufficient time is provided for rotating the curtain wall body.

The invention relates to the technical field of plastic processing, and discloses a plastic processing pulverizing device and a pulverizing method thereof, comprising a pulverizing cooling mechanism, the pulverizing cooling mechanism also comprising an outer case, a gear set fixedly connected to the side wall of the outer case, two gears inside the gear set meshing with each other, a rotating tube rotatably connected to the side wall of the gear set, when using the device, a water inlet pipe is connected to a water inlet box, materials to be processed are placed inside a material inlet plate, and a power supply of a motor is turned on, at which time the motor drives the fan blades to rotate rapidly through the gear set, at which time the water inside the water inlet box enters the pulverizing tube through the drive of the fan blades, and the pulverizing tube also rotates synchronously at this time, the centrifugal force generated by the pulverizing tube will force the water entering the pulverizing tube to diffuse around, the diffused water enters the cooling box through the water inlet pipe, and when there is too much water inside one cooling box, the diffused water enters the inner wall of the other cooling box through the circulation pipe, thereby realizing the cooling of the cutting edge.

The utility model discloses an automobile roof handle integrated damping rotating mechanism which comprises a handle body, installation grooves are formed in the two ends of the handle body, the installation grooves are rotationally connected with fixing bases, and the fixing bases comprise the first fixing base and the second fixing base. The first fixing base is rotationally connected with the handle body through a first pin shaft, the first pin shaft is provided with a damper, the damper comprises a damping shell and a damping rotor, the damping shell is arranged on the outer side of the damping rotor in a sleeving mode, a left fixing block is arranged on the left end face of the damping rotor, and a right fixing block is arranged on the right end face of the damping rotor; the left fixing block and the right fixing block are arranged at the two ends of the damping rotor respectively, and the fixing grooves matched with the left fixing block and the right fixing block are formed in the first fixing base respectively, so that rigid connection between the damping rotor and the first fixing base is achieved, and the two ends of the damping rotor are tightly matched with the first fixing base; and the matching error between the damping rotor and the first fixed base is reduced, and the damping effect stability is ensured.