51results about How to "Stable friction" patented technology

The invention discloses a workpiece table of a proximity contact type exposure machine. A horizontal driving device has a degree of freedom of movement along an X-axis direction and a Y-axis direction; the rotating table has the freedom degree of rotating around the central axis of the rotating table. The lifting table is arranged above the rotating table and has the degree of freedom of moving in the Z-axis direction; the Z-axis voice coil motor is arranged between the rotating table and the lifting table and used for driving the lifting table to move in the Z-axis direction. The ball bowl leveling assembly is arranged between the wafer carrying table and the lifting table and comprises a ball bowl seat with a bowl-shaped cavity and a ball head matched with the bowl-shaped cavity; a concave cavity is formed in the bottom of the bowl-shaped cavity; the spherical surface of the ball head is in sliding sealing fit with the spherical inner wall surface of the bowl-shaped cavity and seals the concave cavity; the mask frame is arranged above the wafer carrying table. According to the invention, the relative position and posture between the mask plate and the wafer can be adjusted, the accurate control of the leveling process is realized, the high-precision movement of four degrees of freedom of X / Y / Z / RZ is effectively realized, the accurate control of the leveling contact force is realized, and the practicability is high.

The present invention proposes a durable three-axis drive mechanism for a minimally invasive cell puncture instrument, which belongs to the field of precision transmission technology. The drive mechanism includes an X-degree-of-freedom motion table, a Y-degree-of-freedom motion table, and a Z-degree-of-freedom motion table connected in series; the X-degree-of-freedom motion table, the Y-degree-of-freedom motion table, and the Z-degree-of-freedom motion table all include a base, on which a stator assembly, a pre-tightening magnet, a magnetic friction foot, and a link magnet and a piezoelectric body are installed; the stator assembly consists of a slide rail and a slider, the slide rail is fixed on the base, and the slider forms a sliding fit with the slide rail, and the sliding directions of the sliders of the X-degree-of-freedom motion table, the Y-degree-of-freedom motion table, and the Z-degree-of-freedom motion table are their degrees of freedom directions, respectively. The present invention realizes minimally invasive cell puncture based on the inertial drive principle, and has the advantages of simple structure, strong wear resistance, wear self-adaptation, modular replacement, and no need for pre-tightening and loosening prevention, and has the potential to achieve durable drive.

The embodiment of the present application provides a self-moving robot and a walking method thereof, wherein the self-moving robot includes a body, a driving wheel assembly and an obstacle crossing assembly; the driving wheel assembly is rotatably arranged on the body through a first rotating shaft; the driving wheel assembly includes a driving wheel; during the process of the driving wheel moving from a first position to a second position relative to the body, the obstacle crossing assembly applies force to the driving wheel assembly, and the amplitude of the positive pressure change between the driving wheel and the traveling surface is less than or equal to a set threshold. In the technical solution provided by the present application, when the self-moving robot encounters an obstacle and the body is lifted up or walks to a pit, the driving wheel assembly is subjected to the force exerted by the obstacle crossing assembly in addition to its own gravity; under the joint action of these forces, the amplitude of the positive pressure change between the driving wheel and the traveling surface is less than or equal to the set threshold, which helps to increase the friction between the driving wheel and the traveling surface and improve the obstacle crossing ability of the self-moving robot.

The invention relates to the field of stackers, in particular to a high-speed ultralight stacker, which is characterized in that a stand column is formed by bending, locking and connecting two metal plates, the process is simple, and a relatively thin steel plate can be adopted to reduce the weight; the strength of the steel plate is greatly enhanced after the steel plate is bent, the bent surface after bending can be used as a guide rail wall or a connecting wall, and additional parts such as a guide rail do not need to be installed. When the operation stability of the stacking machine is guaranteed, the anti-falling devices are arranged on the two sides of the walking assembly, when the stacking machine turns on one side or upwarps, the connecting rods of the anti-falling devices have the movement tendency perpendicular to the rails, and the two anti-falling wheels get close to each other and compress the second elastic elements. At the moment, the second elastic element provides buffering to counteract the inclination trend of the stacking machine, meanwhile, the first elastic element is lengthened, and the buffering capacity is further improved.

The invention relates to an iridium radioactive source shell welding method and system, and belongs to the technical field of welding. The iridium radioactive source shell welding method comprises the following steps that a shell is rotated, and the shell and an end cover are preheated through laser; inputting actual thickness size information of the shell and actual thickness size information of the end cover; the laser adjusts the preset laser power density and defocusing amount according to the actual thickness size information and the standard thickness size information of the shell and the end cover; the automatic rotating mechanism adjusts a preset rotating speed according to the actual thickness size information of the shell and the actual thickness size information of the end cover; the assembled shell and end cover are installed on an automatic rotating mechanism; and the shell and the end cover are welded according to the preset laser power density and defocusing amount, and the automatic rotating mechanism drives the shell and the end cover to rotate according to the preset rotating speed until welding is completed. According to the iridium radioactive source shell welding method provided by the embodiment of the invention, the thickness size of each part of the manufactured iridium radioactive source shell is uniform.

This invention relates to wood-plastic composite (WPC) production technology, and more particularly to a micro-foaming molding equipment and method for WPC door panels. The WPC door panel micro-foaming molding equipment includes an extruder and an extrusion die. The extrusion die includes a flow-collecting module, within which a mandrel is disposed. Vertical baffles are arranged between the mandrels, and the upper and lower end faces of the baffles are fixedly connected to the flow-collecting module. This invention features a novel structure. The baffles divide the WPC material into several material units, ensuring that each material unit does not interfere with others and that cross-flow does not occur between material units. This guarantees balanced material flow and consistent material pressure in each material unit, and maintains stable friction between the material units and the mandrels.

The invention provides a continuous feeding device and method for square bars. The device comprises two roller driving units which are symmetrically arranged on the two sides of a square bar feeding path. Each roller driving unit comprises a box body, a worm rotatably arranged in the box body, at least two worm gears meshed with the worm, rollers coaxially and fixedly connected with the worm gears, and a driving mechanism; the rollers are configured in a manner that the working surfaces of the rollers can accommodate and press the side surfaces of the square bar, and a feeding cavity for clamping the square bar is formed between the corresponding rollers of the two roller driving units; the driving mechanism is connected to the worm and used for driving the worm to rotate. According to the square bar feeding device, a structure that a plurality of worm wheels on the same side are driven by a single worm at the same time is adopted for feeding square bars, stable conveying of the square bars can be achieved, and the problems that the square bars are prone to deflection or torsion in the feeding process, and the feeding precision and stability are difficult to guarantee are solved.

The present invention discloses a lifting eccentric wheel leveling device for a three-dimensional parking garage, comprising: a parking platform, the parking platform comprising: a comb frame supporting crossbeam, an anti-skid corrugated plate, and a guide wheel assembly, the guide wheel assembly comprising: a guide wheel bracket and a guide wheel; a leveling structure, the leveling structure comprising: an eccentric wheel side bracket, a rotating shaft, an eccentric wheel, a leveling device support frame, a supporting vertical pole, and a leveling channel steel; and a driving assembly. In the present invention, when the tire is about to pass through the guide wheel assembly, the eccentric wheel is driven to rotate by the driving assembly, and the eccentric wheel pushes the leveling device support frame to slide upward, thereby pushing the leveling channel steel to slide upward to a state where it is level with the guide wheel, so that the tire can move smoothly on the guide wheel assembly without bumping, greatly improving the comfort of customers when storing and retrieving cars, avoiding the lateral sliding phenomenon of the vehicle when walking on the guide wheel, and reducing the wear on the car tire.

The utility model discloses a deviation rectifying shaft applied to a vacuum belt dryer, which comprises a fixed rubber-coated half shaft and a movable rubber-coated half shaft, two ends of the fixed rubber-coated half shaft are respectively provided with a bearing seat, and the two bearing seats are respectively provided with a left transmission inner shaft and a right transmission inner shaft. The left transmission inner shaft and the right transmission inner shaft extend into the fixed rubber-coated half shaft, the end of the left transmission inner shaft and the end of the right transmission inner shaft are in key connection with fixing rings, the movable rubber-coated half shaft is fixedly connected with the fixing rings, an air cylinder is arranged at one end of the left transmission inner shaft, and an air cylinder is arranged at the other end of the right transmission inner shaft. A piston rod of the air cylinder is connected with one end of the left transmission inner shaft through a connecting piece. The deviation rectifying shaft applied to the vacuum belt dryer is advanced in design and convenient to use, the movable rubber-coated half shaft is driven by the air cylinder to do transverse reciprocating motion, then a belt is driven to move, belt deviation rectifying is completed, stable and soft friction force can be provided for belt operation, and meanwhile it can be guaranteed that the deviation rectifying shaft meets the GMP requirement during CIP cleaning.

The utility model relates to the technical field of mold turnover, in particular to a mold machining turnover device. The technical problems that according to an existing mold machining turnover device, a mold is usually conveyed to the position above a turnover machine through hoisting equipment, then the mold is turned over in a slow descending mode, in the mode, in the turnover process, the mold is prone to sliding off, the mold falls on the ground, and therefore the precision of the mold is affected are solved. According to the technical scheme, the turnover device for mold machining comprises a turnover assembly, an anti-pinch assembly, a positioning assembly, a sliding assembly, an anti-falling assembly and an inclined strut assembly; compared with the problem that a traditional mold machining turnover device is prone to slipping in the turnover process, so that the mold falls off and is damaged, a side edge protection method is adopted in the mold machining turnover device, and the protection size can be adjusted in a sliding mode according to molds of different sizes; a buffering method is adopted on the side edge protection surface to prevent the die from sliding off, damaging the die and affecting the precision of the die.

The invention provides a linear rotation cross-scale precision puncture instrument with an ultra-long service cycle, and belongs to the technical field of cell puncture. The puncture instrument comprises a bottom unit and a driving unit, the bottom unit comprises a fixing support, a sliding rod and a puncture needle, and the direction of the sliding rod and the direction of the puncture needle are the same as the first direction; the driving unit comprises a pre-pressing plate, a connecting block, a first piezoelectric body, a second piezoelectric body, a first link magnet, a second link magnet, a magnetic friction foot and a pre-tightening magnet, the magnetic friction foot is in adsorption contact with the sliding rod, sawtooth wave electric signals are applied to the two ends of the two piezoelectric bodies respectively, the piezoelectric bodies are made to stretch and deform, and therefore the magnetic friction foot is driven to move; the sliding rod is driven to move through friction force, and then the puncture needle is driven to linearly move or rotate. The mechanism has the unique advantages that after the magnetic friction foot is abraded, the magnetic friction foot and the sliding rod can keep constant and stable friction force in a self-adaptive mode all the time, and the rotation degree of freedom and the linear degree of freedom share one magnetic friction foot and one pre-tightening magnet.

The utility model provides a polishing machine grinding head mechanism which comprises an installation frame movably connected with a moving mechanism, a servo motor installed on the installation frame, a transmission assembly and a polishing wheel, the installation frame is movably connected with a rotating shaft of the polishing wheel, the servo motor is connected with the transmission assembly, and the transmission assembly is connected with the polishing wheel. The output end of the transmission assembly is fixedly connected with a rotating shaft of the polishing wheel, the servo motor is matched with the transmission assembly, the rotating speed of the polishing wheel is controlled to be maintained within a stable range, and then stable friction force applied to a workpiece by the polishing wheel is controlled. Therefore, the polished workpiece is ensured to have better and unified polishing quality.

The utility model relates to track robot technical field discloses a track robot walking device and automatic feeding robot, including walking mechanism, walking mechanism cooperation installation on the track of cross section is I -shaped, and walking mechanism includes box, drive mechanism, guide mechanism, power supply, drive mechanism includes drive module, driving wheel and driven wheel, and drive module is located in the box, and drive module transmission connection driving wheel, and driving wheel is located track both sides respectively with driven wheel and carries out the clamping to track, and power supply is connected with drive module electrically, and drive module provides electric energy, guide mechanism rotatory connection is in the box top, and guide mechanism is equipped with two, and is separately located drive mechanism front and back two sides, and guide mechanism and track contact cooperation, and the movement track of drive mechanism is guided. The utility model is compact in space, light in weight, and stable in operation, drive mechanism, guide mechanism modular design, and the versatility is strong, and the maintenance and maintenance are convenient.

The utility model belongs to the technical field of protection pads, particularly relates to a silica gel protection pad structure, and aims to solve the problems that a silica gel protection pad is serious in light reflection of a light source of a table lamp, poor in eye protection effect and affects use experience, and the silica gel protection pad is easy to shift on a table top and needs to be frequently adjusted in position. An extension frame is fixedly arranged on the periphery of the silica gel protection pad body, and the silica gel protection pad body is sequentially composed of an anti-skid layer, a silica gel body layer and an eye protection layer from bottom to top. The anti-blue-light layer and the point scattering type reflective film are arranged, eye fatigue and visual problems can be reduced, a light source can achieve a more comfortable eye protection effect, the silica gel protection pad body can be prevented from sliding and shifting through the extension frame, children can be prevented from colliding with table corners, and the safety of the children is improved. And after the silica gel protection pad body is rolled up, the silica gel protection pad body can be prevented from being scattered by sticking the hook-and-loop fastener hook surface and the hook-and-loop fastener loop surface, so that the silica gel protection pad body is convenient to store and place.

The utility model relates to positioning mechanism technical field, especially an industry fixed type fire monitor jet angle positioning mechanism, including support elbow pipe, the bottom of support elbow pipe has the installation bottom pipe through the rotary seal bearing rotation connection, the top of support elbow pipe is connected with the adapter pipe through bolt fixedly, the utility model has the advantages that: through the sliding fit of arc assembly board and assembly groove, the quick assembly and disassembly of locking bolt are combined, the independent replacement of arc rubber strip is realized, the connecting component of arc clamp and jet pipe does not need to remove, the problems such as rust jamming, clamp damage caused by removing fastening component in traditional design are avoided, the cooperation of positioning pin and positioning hole, sliding support and sliding slot ensures that arc assembly board installs accurately, guarantees that arc rubber strip and jet pipe are close, maintain stable friction, solve the problem that rubber strip replacement is troublesome, positioning effect drops, improve maintenance efficiency and long-term reliability of mechanism.

The present application relates to copper aluminum composite waste treatment technical field, provide a kind of copper aluminum composite waste continuous feeding stripping device, including main unit, it includes chassis, the right end top surface of the chassis is fixedly arranged with work stand, the left end of the work stand and the left end top surface of chassis is fixedly arranged with device cylinder;Conveying unit is arranged in the inside of main unit, it includes binding part and the conveying part located in its right side;Stripping unit is arranged in the side of conveying unit, it includes stripping part and the cutting part located in its left side.The present application is cooperated by being provided with binding part and conveying part, so that when copper aluminum composite waste feeding stripping is carried out, copper aluminum waste existing in loose roll form can be quickly wound and positioned, and is quickly conveyed by fixed shape, subsequent stripping operation is facilitated, the feeding time of copper aluminum composite waste can be greatly saved, and subsequent skin cutting stripping is facilitated, work efficiency is greatly improved.

The experimental animal drinking bottle comprises a water storage bottle, an adding opening is formed in the upper end of the water storage bottle, an insertion opening is formed in the lower end of the water storage bottle, a feeding mechanism is clamped to the insertion opening, a linkage rod is fixedly connected to the middle of the water storage bottle, and a feeding mechanism is arranged on the linkage rod. One end of the linkage rod is fixedly connected with an outer rotating ring, the interior of the outer rotating ring is rotationally connected with an inner rotating ring, and the outer rotating ring is fixedly connected with an adjusting handle. The water storage bottle can be fixed to the hand and does not need to be held by the hand, and meanwhile the position of the water storage bottle can be adjusted in the animal control and guide process. And when the animals drink water, the animals are fed with drugs or supplements in the water drinking process. When an animal needs to be fed with feed or water, the inner rotating ring is fixed to the small arm. An adjusting handle on the outer rotating ring can be conveniently driven by fingers to adjust the orientation of the water storage bottle.

The utility model belongs to the technical field of escape devices, and particularly relates to a high-rise emergency escape device which comprises a waterproof isolation plate, a left box body is arranged on the left side of the waterproof isolation plate, a right box body is arranged on the right side of the waterproof isolation plate, a friction wall is fixedly connected to the inner side of the bottom end of the right box body, and a rope wheel assembly is installed at the bottom end of the waterproof isolation plate. A transmission assembly is arranged on the right side of the rope wheel assembly and located in the right box body, a brake wheel disc is arranged on the outer side of the right end of the transmission assembly, and a plurality of isolation strips are fixedly connected to the right side wall of the brake wheel disc. The waterproof isolation plate is further installed between the left box body and the right box body, the independent containing space is formed between the waterproof isolation plate and the left box body and the right box body, in the steel wire rope transmission process, water attached to the surface of a steel wire rope can be prevented from flowing to the position of the brake block, and the situations that the brake block slips and friction force is reduced can be avoided; and the escape device is ensured to be stable and safe to use.

The present application provides a large display glass panel processing system and a gripping device, including an operation control module, which controls the working process of the mechanical structure during the display glass panel processing process and monitors the working cycle during the display operation process; a real-time interaction module, which obtains personalized display processing requirements and provides real-time feedback of parameters and cycle data; a data processing module, which processes input parameters, determines thresholds and positioning data, and outputs them. In order to solve the problem of insufficient reminders of dangerous situations during use in the prior art, the present application cooperates with the security monitoring unit and the alarm unit, and classifies the accuracy of the operation behavior or the low matching degree of the operation value according to the severity, and feeds back to the alarm unit for the user to handle, thereby realizing intelligent interactive processing of dangerous situations and improving the safety factor.

The present invention discloses a lifting type mobile cam leveling device for a stereo garage, comprising: a parking platform, the parking platform comprising: a comb frame supporting crossbeam, an anti-skid corrugated plate, and a guide wheel assembly; a leveling structure, the leveling structure comprising: a horizontal guide wheel bracket, a horizontal guide wheel, a connecting plate, a horizontal guide wheel guide rail, a moving boss, a cam follower roller bracket, a cam follower roller, a supporting vertical rod, and a leveling channel steel; and a driving assembly. To implement the above technical scheme, the connecting plate is driven to slide by the driving assembly, and the moving boss is driven to slide, and the cam follower roller rolls upward on the moving boss, so that the horizontal channel steel slides upward to a state where it is level with the guide wheel, so that the tire can move smoothly on the guide wheel assembly without bumping, which greatly improves the comfort of customers when storing and retrieving cars, avoids the lateral sliding of the vehicle when walking on the guide wheel, and reduces the wear on the car tire.

The utility model discloses a kind of thread structures of optical lens, including back seat and lens barrel, back seat is equipped with rectangular internal thread;Lens barrel is equipped with trapezoidal external thread matched with rectangular internal thread;Two corner parts of the crest of rectangular internal thread are in contact with the side of trapezoidal external thread;By adopting the cooperation of rectangular internal thread and trapezoidal external thread, and design the crest corner part of rectangular internal thread is in contact with the side of trapezoidal external thread, the close cooperation of thread and uniform stress are realized.This structure not only enhances the stability of threaded connection, but also makes wear mainly concentrate in the crest corner part of rectangular internal thread, facilitate control and predict wear site, reduce the risk of optical lens imaging quality decline caused by thread loosening.In addition, the matching mode can form stable friction in the assembly process, which helps to realize more accurate torque control, further improves the precision and reliability of optical lens assembly.

The utility model relates to a fuel lighter and a supporting piece for the inner container of the fuel lighter, the supporting piece is a nearly rectangular component, the length of the supporting piece is close to the width of the inner container of the lighter, and the supporting piece structurally comprises an embedded part and a connecting part. The embedded part is in arc connection with the connecting part in the vertical direction, the embedded part is used for being embedded into a gap between a fuel lighter inner container core and a fuel lighter inner container shell, and when the embedded part is embedded into the gap, the width of the lighter inner container shell is increased, and friction force is given between the lighter inner container and the lighter shell.

The invention relates to a power transmission device. The power transmission device stably generates friction force. The first friction plate is disposed between the first rotating body and the second rotating body in the axial direction. The first friction plate has an outer sliding portion and an inner sliding portion. The outer sliding portion is disposed radially outward of the elastic member. The outer sliding portion generates a frictional force when rotating relative to the second rotating body. The inner sliding portion is disposed radially inward of the elastic member. The inner sliding part generates friction force when rotating relative to the first rotating body.

The present invention relates to the technical field of slitting machines, and specifically to an anti-rewinding label slitting machine, comprising a frame, a first bracket is fixedly connected to the upper left side of the frame, and a winding deceleration mechanism is provided between the first bracket and the upper left side of the frame, the winding deceleration mechanism comprises a driving roller rotatably connected to the left side of the upper end of the frame, a driving motor matched with the driving roller is fixedly connected to the upper left side of the rear end of the frame, a first slide groove is provided at the upper end of the first bracket, and a first slider is slidably connected to the right side of the first slide groove. A winding roller group is rotatably connected between the two first sliders; a second bracket is fixedly connected to the right side of the upper end of the frame, and a feeding roller is rotatably connected to the right side of the second bracket; the present invention utilizes a driving roller to drive the winding roller group to rotate for winding, and reduces the winding speed in conjunction with the continuous increase in the diameter of the winding roller group, thereby reducing the pulling of the label and improving the slitting quality of the label.

The utility model relates to the related technical field of CNC (Computer Numerical Control) processing equipment, in particular to a turnover mechanism for CNC processing equipment, which comprises a shell, a turnover mechanism is arranged on the inner side surface of the shell, and a fixing mechanism is arranged on the inner side surface of the shell. According to the turnover mechanism for the CNC machining equipment, when the CNC machining equipment works, after one face of an object block is processed, the object block needing to be machined is clamped through an automatic fixing clamp, and then a first electric push rod pushes a fixing frame to ascend upwards; a motor and an automatic fixing clamp fixedly connected with one end of the motor integrally ascend by a certain distance to reach a proper overturning height, then the motor enables the object block to overturn to the unprocessed surface according to the set rotation degree of the automatic fixing clamp, and then a first electric push rod drives a fixing frame to descend downwards; and the motor and the automatic fixing clamp fixedly connected with one end of the motor are integrally reset, so that the CNC machining equipment continues to machine the other side of the object block.

This utility model discloses an industrial sewing machine with an automatic feeding mechanism. Relating to the field of industrial sewing machine technology, the machine includes a sewing machine body and a feeding mechanism. The feeding mechanism includes a mounting component disposed on one side of the sewing machine body; a feeding roller comprising a driving roller and a driven roller, which are vertically distributed; and an adjusting component mounted on the mounting component and connected to the driven roller on the feeding roller. This industrial sewing machine with an automatic feeding mechanism achieves dynamic self-adaptation of the driven roller pressure through the movable plate-slider-spring structure of the adjusting component: when feeding thick fabric, the fabric supports the driven roller, causing the movable plate to move upward, increasing the spring compression and ensuring stable friction; when feeding thin fabric, the spring force gently presses the fabric, avoiding indentations or damage. Combined with the vertically distributed compression of the driving and driven rollers, this significantly improves sewing quality.

The utility model discloses an anti-deviation box staff for surveying and mapping land resources, relates to the technical field of box staff, and solves the problem that an existing box staff cannot be quickly clamped and fixed after being stretched. Comprising a telemeter rod body, the telemeter rod body is of a multi-layer structure design, the surfaces of the left side and the right side of the telemeter rod body are of penetrating structures, a limiting rod is fixedly connected to the inner wall of the telemeter rod body, and a water level is fixedly connected to the upper surface of the tail end of the telemeter rod body; the telemeter rod comprises a telemeter rod body, and further comprises a connecting shaft and a pressing plate, the connecting shaft is rotationally arranged on the inner wall of the telemeter rod body, the inner wall of the telemeter rod body is concave, and balls are rotationally arranged on the inner wall of the telemeter rod body; the pressing plate is fixedly connected to the surface of the connecting shaft. When the box staff body needs to be pulled, the box staff body can be directly pulled, measurement operation can be completed, when the box staff body is pulled, operation of workers is smoother through the balls, and the overall working efficiency of the device is improved.

This invention relates to the field of power transmission line operations and provides a power grid sealing and traction device. The power grid sealing and traction device includes: a frame assembly with an opening for inserting a conductor; a traction assembly including a plurality of first rollers and a first drive device; the first rollers and the first drive device are disposed within the frame assembly, located at the top of the opening, the first rollers supporting the conductor and rolling relative to it, and the first drive device driving the first rollers to rotate; and a top-line assembly including a top rod, a second roller, and a second drive device; the second drive device driving the second roller to press against the conductor. The traction assembly rolls and pulls above the conductor, while the top-line assembly presses against the conductor from below. This dual-action structure of upper traction and lower pressing improves the smoothness of the traction action.

The utility model relates to the technical field of automobile parts, and disclose a soft silica gel plug support, including rectangular card and special-shaped support, the upper and lower ends of rectangular card along the length direction all are fixedly connected with a group of silica gel plug, every silica gel plug all is equidistance distribution, the inner wall of special-shaped support is fixedly connected with the plug -in card, the side surface of rectangular card is equipped with the occlusal slot. This soft silica gel plug support, set up silica gel plug can insert rectangular card to the car air outlet, through the elastic deformation force of silica gel plug tightly fits the air outlet inner wall, produces the steady friction, ensures that rectangular card is fixed firmly on the air outlet, can avoid scratching the surface of car air outlet simultaneously, protects the appearance and integrity of air outlet, secondly, the combination use of rectangular card and special-shaped support can be separately with special-shaped support dismount, need not repeatedly dismount rectangular card, can avoid the harm to car air outlet.