37results about How to "Release the brake" patented technology

The invention discloses an outdoor movable type basketball stand. The outdoor movable type basketball stand comprises a movable base, a backboard support post is fixedly mounted in the middle positionof the top of the movable base, a backboard is fixedly mounted on the top of the backboard support post, a mounting cavity is arranged on the movable base, a drive motor is fixedly mounted on the inner wall of the top of the mounting cavity, a screw rod is fixedly mounted on an output shaft of the drive motor, the end, far away from the drive motor, of the screw rod is rotatably connected with the inner wall of one side of the mounting cavity, and two sections of threads symmetrically distributed are arranged on the screw rod. The outdoor movable type basketball stand is ingenious in structure, when universal wheels on a basketball stand body need to be stored in the movable base, each pull motor can pull a corresponding inner tooth ring and a corresponding outer tooth ring to separate meshing, further, the braking for a ball screw is relieved, then the drive motor is started, so that the universal wheels are stored in the movable base, and therefore, the phenomenon of deviation of the basketball stand body due to small friction with the ground is effectively prevented.

The invention belongs to the field of agricultural machinery, and particularly relates to an agricultural machinery seed, fertilizer and soil turning integrated machine. The machine comprises a rack,a stirring box is fixedly connected to the top of the rack, a feeding hopper is arranged at the top of the stirring box in a communicating mode, and a stirring assembly used for stirring chemical fertilizers is arranged on one side of the stirring box. The machine is simple in structure and convenient to operate, the different chemical fertilizers are directly put into the stirring box, a rotatingmotor is started to drive stirring rods and stirring blades to stir the chemical fertilizers, chemical fertilizer stirring in advance is not needed, simplicity and convenience are achieved, the laborintensity is reduced, the distance between a control panel and the rack can be controlled by rotating a rotary disc, then the fertilization concentration can be adjusted and controlled, the situationthat crop growth is affected due to the fact that the fertilization concentration is too high or too low is prevented, in addition, the soil turning depth of a soil turning shovel can be controlled by rotating a handle and a disc, and the situation that soil turning cannot be effectively conducted in some low-lying areas is prevented.

The invention belongs to the field of construction punching, and particularly relates to drilling equipment for building construction. In order to solve the problems that a traditional punching machine cannot freely rise and fall and steel is difficult to fix in the steel punching process, the following scheme is proposed, and the drilling equipment comprises a base; a supporting base is fixedly mounted on the top of the base; a rack is fixedly mounted on one side of the supporting base, and a top plate is arranged above the base; the top of the supporting base penetrates through the top plate, and is slidably connected to the bottom of the top plate; and a driving motor is fixedly mounted on one side of the top plate. According to the designed technical scheme, a first gear and a second gear are meshed and a third gear is driven to rotate so that a drill bit seat freely rises and falls, and accordingly holes in any depth can be formed in the steel; a fixing assembly is limited by a first nut and a second nut; the steel cannot be deviated in the high-speed punching process, and the punching efficiency is improved; the operation is convenient, and the structure is simple; and the actual design requirement is better met.

The present invention relates to an improvement of a wheel structure for simultaneously applying or releasing braking on right and left wheels of a dolly or the like. An interlock shaft (30) pivotally connected to the deck (2) of a dolly is rotated by using a locking link piece (21) connected to a braking pedal (20), a pair of right and left cam arms (22, 22) and releasing link pieces (12) are fixed to the interlock shaft (30) in a synchronously operable manner, and braking arms (31) having a cam surface (33) are caused to pivot with rotation of the respective cam arms (22) so as to cause wheel locking sections (32) of the braking arms (31) to engage with or disengage from internal tooth parts of internal tooth sections (4) formed on the inner side of wheels (3) in order to apply or release braking. In addition, releasing link pieces (11), which are pivotally connected to the releasing link pieces and are in a disengaged state, are caused to engage with protrusion pieces (6) formed on the deck (2) with rotation of the releasing link pieces (12) in order to lock the braking state, and the engagement of the releasing link pieces (11) with the deck (2) is released with lowering of a releasing guide section (16) of a breaking releasing pedal (10).

The invention discloses a parachute opening buffer mechanism of a parachute landing unmanned aerial vehicle and a using method thereof. The parachute opening buffer mechanism comprises the unmanned aerial vehicle; a cover plate groove is formed in the top of the unmanned aerial vehicle, a parachute cabin is arranged in the unmanned aerial vehicle, the cover plate groove is communicated with the parachute cabin, and a cabin cover is hinged to the top of the cover plate groove; a driving assembly used for opening the cabin cover is arranged on the inner wall of the bottom of the cover plate groove, a plurality of first springs are distributed on the inner wall of the bottom of the parachute cabin at equal intervals, the tops of the multiple first springs are fixedly connected with the same moving plate, and the top of the moving plate is fixedly connected with a parachute pack. The parachute is thrown out from above in an upcast opening manner, so that parachute cord is prevented from being wound on the unmanned aerial vehicle under the influence of airflow, and flight accidents of the unmanned aerial vehicle are avoided; the elastic cushion is ejected from the lower portion throughthe second spring while the parachute pack is thrown out, so that a certain buffering is achieved when the unmanned aerial vehicle lands, and the unmanned aerial vehicle is prevented from making direct contact with the ground and being damaged.

The invention belongs to the technical field of cable production, in particular to a winding system for cable distribution and a winding process. The winding system for cable distribution disclosed by the invention is characterized by comprising a worktable, wherein two symmetrical supporting blocks are connected to the top of the worktable in a sliding manner; a sliding assembly for enabling the two supporting blocks to be slid mutually is arranged in the worktable; and placement tubes are fixedly connected to the tops of the two supporting blocks. The winding system disclosed by the invention has a simple structure and is convenient to operate; through rotating a bidirectional screw, the cutting depth of a cutter can be controlled so as to prevent copper cores in the cables from being cut off; and manual operation is not needed in processes of stripping winding of an insulating layer and the copper core and wrapping an insulating adhesive tape, and therefore, the operation is simple and convenient, the cable distribution efficiency is improved while the labor intensity of workers is reduced at the same time; and in addition, because of the winding way, the two cables are tightly wound together, so that separation of the two cables can be prevented.

The invention belongs to the field of wastewater treatment, in particular to a high-efficiency wastewater aeration system for water supply and drainage. According to the scheme, the high-efficiency wastewater aeration system comprises an aeration barrel and a water storage tank, a rotating table is fixedly connected to the bottom of the aeration barrel, and a driving assembly for driving the aeration barrel to rotate is arranged at the bottom of the aeration barrel. The high-efficiency wastewater aeration system is simple in structure and convenient to operate. A first rotating motor is started to drive the aeration barrel to start to rotate, so that aeration rods and an activated carbon placement frame can stir wastewater in the aeration barrel, and oxygen is injected into the wastewaterin the aeration barrel through an aeration circular pipe and the aeration rods while stirring, so that the oxygen can be fully mixed with the wastewater. In addition, when the activated carbon placement frame stirs, activated carbon in the activated carbon placement frame can filter and remove impurities in the wastewater in the aeration barrel. By rotating a second nut, braking of the activated carbon placement frame by the second nut can be relieved, so that the activated carbon in the activated carbon placement frame is conveniently replaced, and activated carbon failure is prevented.

The invention belongs to the field of decorative supplies, and particularly relates to a multifunctional shovel blade for decoration and a method of the multifunctional shovel blade for decoration. According to the problems that an existing shovel blade cannot be used after being used for a long time and a blade wears seriously, thus, waste of resources is caused due to the fact that a user generally can abandon the shovel blade, meanwhile, walls with higher height cannot be eradicated due to the fact that the shovel blade cannot adjust the length, the following scheme is put forward, the multifunctional shovel blade for the decoration comprises an extension rod, a storage seat, a fixed seat and the blade, a storage groove is formed in one side of the storage seat, and one end of the extension rod extends into the storage seat and a strip-type groove is formed in the end of the extension rod. The multifunctional shovel blade for the decoration is simple in structure, the length of a shovel blade body can be adjusted by pulling the extension rod, the blade is convenient to disassemble, the blade can be conveniently replaced, the operation is convenient and fast, the using efficiencyis greatly improved, and wider market popularization prospects are achieved.

The invention belongs to the field of 5G antennas, particularly relates to an adjustable 5G antenna mounting base, and aims to solve the problem that the existing direction and angle cannot be adjusted. The adjustable 5G antenna mounting base comprises a base, the top of the base is sequentially provided with a pressing device, an angle adjusting device and a fixing device from bottom to top, and a circular groove is formed in the base; a 5G antenna is fixedly installed in the fixing device, the angle adjusting device is used for adjusting the angle of the 5G antenna, sliding blocks are slidably connected to the inner walls of the two sides of the circular groove, rotating shafts are rotatably connected to the center positions of the tops of the sliding blocks, and the top ends of the rotating shafts penetrate through the circular groove and extend to the position above the base. The angle and the direction of the 5G antenna can be easily adjusted by rotating the rotating disc and the rotating plate, the 5G antenna can be fixed more firmly through the bolt, the 5G antenna can be installed in high buildings, mansions and mountain fluctuation areas, and the installation difficulty of the 5G antenna is reduced.

The invention belongs to the technical field of chemical fibers, in particular to a chemical fiber filament humidity detection device. When conventional detection equipment is not in use, the existingdetection equipment is normally disposed on a workbench, and after a long time, dust can enter a circuit in the detection equipment to cause the short circuit of the circuit, and the chemical fiber filament humidity detection device provided by the invention is used to solve the abovementioned problem. The detection device comprises a workbench, and the top part of the workbench is fixedly provided with a detection device body, and is symmetrically provided with two supporting rods. The sides of the two supporting rods are slidably connected with a dustproof base, the bottom part of which isprovided with a dustproof groove, and in addition, the middle position of the top part of the dustproof base is fixedly provided with a rack. The chemical fiber silk humidity detection device is advantageous in that a structure is simple, under the cooperation between a driving motor and a brake motor, the dustproof base and the workbench are connected with each other in a clamped manner, and canbe fixed, and therefore the dustproof base is used to effectively prevent the dust from entering the detection device body, and thus preventing the caused short circuit condition.

The invention discloses an ischemia adaptation training system with a double-arm blood pressure measuring function based on the Internet, and provides the following scheme that the ischemia adaptation training system comprises a storage box, four supporting plates, two circular plates and four fixed arc-shaped plates, a first rotating shaft and a second rotating shaft are transversely and rotationally connected into the storage box, and the first rotating shaft is connected with the second rotating shaft; the outer wall of the first rotating shaft and the outer wall of the second rotating shaft are fixedly sleeved with a first rotating plate and a second rotating plate correspondingly, and the side, close to the second rotating shaft, of the first rotating plate is fixedly connected with four supporting plates. The situation that a circular plate needs to be reassembled when ischemia adaptation training needs to be carried out is avoided, a protruding block and a first gear can be braked through an inserting rod and a clamping block when the circular plate and a circular ring are stored in a storage box, and the situation that a sliding cover is easily opened, and consequently the circular plate is damaged or parts are lost is avoided.

The invention relates to a draw bar trailer braking system and a draw bar trailer. The draw bar trailer braking system comprises: a gas storage container having a container gas inlet and a container gas outlet; a release valve which is provided with a release valve air inlet, a release valve air outlet and a release valve connector, the release valve air inlet is used for being communicated with a tractor air supply pipeline, and the release valve connector is communicated with the container air outlet; an emergency relay valve which is provided with a relay valve air outlet, a first relay valve air inlet, a second relay valve air inlet and a relay valve connector, the relay valve air outlet is used for being communicated with brake control valves of axles, the first relay valve air inlet is used for being communicated with a tractor control pipeline, and the relay valve connector is communicated with a container air inlet; and the second relay valve air inlet is communicated with the release valve air outlet. After the tractor air supply pipeline and the tractor control pipeline are separated or broken, the traction rod trailer can automatically generate emergency braking, and safety accidents caused by loss of braking capacity are avoided.

The invention discloses a water pump electromagnetic valve convenient to install. The water pump electromagnetic valve convenient to install comprises a water pump, wherein the water pump is provided with a water inlet pipe and a water outlet pipe, an electromagnetic valve body matched with the water outlet pipe is arranged in the water outlet pipe, an installation through hole is formed in the inner wall of the bottom of the water outlet pipe, the bottom of the electromagnetic valve body penetrates through the through hole and extends to the lower part of the water outlet pipe, a fixing plate is fixedly arranged at the bottom of the electromagnetic valve body, a fixing groove communicating with the through hole is formed in the bottom of the water outlet pipe, the fixing plate is assembled with the fixing groove in a clamped mode, the two sides of the fixing plate are both provided with sliding grooves, and the inner walls of the tops of the sliding grooves are slidably connected with sliding plates. According to the water pump electromagnetic valve convenient to install, the structure is ingenious, the electromagnetic valve body can be fixedly installed in the water outlet pipe through clamping shafts and clamping grooves, and meanwhile, the electromagnetic valve body can be used for controlling entering of the water outlet pipe, the operation is simple, the installation is fast, people can quickly fix the electromagnetic valve body in the water outlet pipe conveniently, and the use by people is facilitated.

The invention belongs to the field of aircraft model aircraft, in particular to an aircraft camera pan-tilt for aerial photography. The aircraft mounts and camera mounts on the existing pan-tilt are fixed by a plurality of screws, which not only has a single structure, but also It is very troublesome when installing and dismounting, and there is no problem with the protective device of the camera. The following scheme is proposed now, which includes the pan-tilt body, and the top of the pan-tilt body is fixedly connected with a cross-shaped aircraft mounting part, and the pan-tilt The mounting arm of the main body is fixedly connected with a camera mounting part. In the present invention, the camera is tightened and protected by the clamping assembly, and the aircraft body is fixed by the clamping assembly and the fixing assembly. When installing, it is only necessary to press and rotate the aircraft The main body can be fixed. When disassembling, you only need to pull the first handle and the second handle to release the fixation of the aircraft body and take out the aircraft body. The structure is simple and the operation is convenient.

The invention belongs to the field of wooden artificial boards, and particularly provides a safe drying device for a wooden artificial board production line. According to the scheme, the safe drying device comprises a fixed seat, a conveying table is fixedly connected to the top of the fixed seat, and a plurality of conveying rollers in transmission connection are rotatably connected to the top ofthe conveying table; two driving motors for driving the conveying rollers to rotate are arranged on the conveying table, wood raw materials are placed at the tops of the multiple conveying rollers, alifting rod is longitudinally connected to the fixed seat in a sliding mode, and an adjusting base is fixedly connected to the bottom of the lifting rod. According to the safe drying device, a dryingdevice body can extrude the wood raw materials to be out of water, air blowing drying can be conducted on extruded water during water extrusion, the wood raw materials can be conveyed into a drying box after the water on the surfaces of the wood raw materials is dried, and the wood raw materials are heated and dried through an electric heater in the drying box; and therefore, the drying efficiency of the wood raw materials is improved due to the designed water extruding procedure, and the practicability is high.

The invention discloses a leg-foot mechanism of a high-performance bionic foot-type robot, a leg-foot mechanism of a high-performance bionic foot-type robot, comprising a mechanical leg and a mechanical foot, and the bottom of the mechanical leg is fixedly installed with a mounting device. The mechanical foot is detachably fixed on the bottom of the mounting seat, the top of the mechanical leg is slidably connected with a lifting block, and the bottom of the lifting block is provided with a lifting component, and the lifting component includes a lifting block opened at the bottom of the lifting block A sliding rod is fixedly installed on the top inner wall of the regulating groove, and a lifting rod is slidably connected to the bottom of the sliding rod. The present invention has a simple structure, the leg-foot mechanism body of the hexapod robot can adjust the length of the mechanical legs, and at the same time, the quick disassembly and assembly structure set on the mechanical feet greatly facilitates the user to replace the mechanical feet, and the operation is simple. It meets the needs of people and has strong practicability.

The invention belongs to the technical field of power dispatching automation systems, in particular to an intelligent network fault searching and calibrating device. Aiming at the problem that when anexisting network fault searching device is moved, the network fault searching device is easy to topple over to be collided during the moving process, so that the internal electronic components are damaged, the present invention provides the following scheme that the intelligent network fault searching and calibrating device comprises a supporting base, a network fault searching and calibrating device body is fixedly mounted at the top of the supporting base, anti-collision bases are fixedly mounted on the four outer side faces of the network fault searching and calibrating device body, and amounting cavity is formed on the supporting base. When the network fault searching and calibrating device body is carried and topples over, a rolling ball rolls, once the rolling ball collides with amoving plate, an anti-collision block pops up from a fixed cavity, so that the toppled network fault searching and calibrating device body is further protected, and the situation that the electronic components in the network fault searching and calibrating device body are damaged, is effectively prevented.

The present invention is a fluorescent body positioning device applied in puncture surgery or abdominal surgery. The size of the fluorescent body positioning device is changed by changing the size of the phosphor, the operation is cumbersome, and the lesion is easy to fall off when the lesion is removed, which will cause harm to the patient again. The following scheme is proposed, including the control box. There are two rotating shafts, and the outer wall of the rotating shaft is fixed with a rotating rod. In the present invention, by pulling the control rod laterally, the opening angle of the fluorescent body positioning device body can be changed according to the size of the lesion, and laparoscopic operation and surgical puncture can be performed selectively. Operation, positioning biopsy operation, laparoscopic operation to remove the lesion, two phosphor positioning device bodies wrap the lesion in the phosphor positioning device body, prevent the lesion from falling, and are easy to use.

The present invention belongs to the field of agricultural machinery, in particular to an integrated machine for planting, fertilizing and turning soil for agricultural machinery. The following proposal is now proposed, which includes a frame, the top of the frame is fixedly connected with a stirring box, and the top of the stirring box is provided with There is a connected feeding hopper, and one side of the stirring box is provided with a stirring assembly for stirring chemical fertilizers. The present invention is simple in structure and easy to operate, and directly puts different chemical fertilizers into the mixing box, and starts the rotating motor to drive the stirring rod and The stirring blade stirs the chemical fertilizer without prior chemical fertilizer stirring, which is simple and convenient and reduces labor intensity; the distance between the control plate and the rack can be controlled by turning the turntable, and then the concentration of fertilization can be adjusted to prevent the concentration of fertilization from being too high or too high It has low impact on the growth of crops. In addition, turning the handle and the disc can control the depth of the soil turning shovel to prevent effective soil turning in some low-lying areas.

An environment-friendly dust removal system comprises a bottom plate, two symmetrically-arranged fixing plates are fixedly connected to the top of the bottom plate, and a diffusion pipe and a shrinkage pipe are fixedly connected to the tops of one sides of the two fixing plates correspondingly; the top of the sides, close to each other, of the two fixing plates is provided with a sealing assembly used for sealing connection of a diffusion pipe and a shrinkage pipe, one side of one fixing plate is fixedly connected with a servo motor, and an output shaft of the servo motor is fixedly connected with a partition plate. Through the partition plate, a throat pipe can be rapidly replaced without shutdown, a throat pipe hole can be well cleaned through an electric push rod, manpower is saved, the cleaning efficiency is high, the cleaning speed is high, a large amount of manpower and material resources can be saved, a series of losses caused by shutdown can be reduced, and use is convenient.

The invention discloses a high-efficiency drying equipment for nut production and processing, which includes a bottom plate, both ends of the bottom plate are fixedly connected with side plates, and the top of the side of the two side plates close to each other is fixedly connected with symmetrically arranged Two top plates, a stirring assembly for stirring nuts is arranged between the two top plates, a fixed plate is fixedly connected to the top of the bottom plate, and a blower assembly for blowing nuts is fixedly connected to one side of the fixed plate, so The top of the bottom plate is slidably connected with a connection block, and the top of the connection block is fixedly connected with a hollow cylinder, and it also discloses a use method. The beneficial effects of the present invention are: the present invention is simple in structure, and the hollow cylinder is closed by the airtight assembly, so that the nuts will not fall during drying, the nuts are dried by the drying assembly and the blowing assembly, and the stirring assembly stirs and turns the nuts, It facilitates the drying of nuts. Pushing the component makes the hollow cylinder move laterally, so that the nuts will not be burnt and the operation is convenient.

The invention discloses a solenoid valve for a water pump that is easy to install, comprising a water pump, the water pump is provided with a water inlet pipe and a water outlet pipe, the water outlet pipe is provided with a corresponding solenoid valve, and the inner wall of the bottom of the water pipe is provided with an installation a through hole, the bottom of the solenoid valve runs through the through hole and extends to the bottom of the water outlet pipe, the bottom of the solenoid valve is fixedly installed with a fixing plate, the bottom of the water outlet pipe is provided with a fixing groove that communicates with the through hole, and The fixing plate and the fixing groove are clamped together, sliding grooves are provided on both sides of the fixing plate, and a sliding plate is slidably connected to the inner wall of the top of the sliding groove. The invention has ingenious structure, the solenoid valve can be fixedly installed in the water outlet pipe by using the clamping shaft and the clamping groove, and the entry of the water outlet pipe can be controlled by using the solenoid valve, the operation is simple, the installation is quick, and it is beneficial for people to quickly fix the solenoid valve in the water outlet pipe. In the tube, it is convenient for people to use.

This invented elevator braked device makes the brake scotch move forward with a brake spring to further brake a brake wheel and releases the brake by attracting a movable iron core with an electromagnetic iron to force the brake scotch to move backward and is mounted with a reinforcing by the counter force with increasing rate greater than the attraction force of the magnetic iron arisen from reduction of slot. When releasing the brake, since the iron balances the counter force caused by the combined counter force of reinforcing elastic unit and the brake spring, at the same time, it attracts the movable iron core steadily along with the increasing of the exciting current, the striking noise is reduced.

The invention belongs to the technical field of electronic information engineering. The invention especially relates to a console for demonstrating an electronic information automatic operation device. An existing electronic information automatic operation device is generally fixed to a designated position, in order to solve the problems of inconvenience in movement, no storage device and inconvenience in storage in the prior art, the following scheme is provided: the console comprises a moving seat, an operating table is fixedly mounted at the top of the moving seat, a driving assembly is arranged at the top of the operating table, a box cover is fixedly mounted on the driving assembly, and the box cover completely covers the top of the operating table; and when the electronic informationautomatic operation device is not used, the electronic information automatic operation device can be stored in the operating table, so that the electronic information automatic operation device can be protected, and when the electronic information automatic operation device needs to be used, the box cover is opened, braking on the fixing plate is relieved, and under the elastic force of the compression spring, the electronic information automatic operation device can be moved out of the operating table to be normally used.

The invention discloses efficient drying equipment for nut production and processing. The equipment comprises a bottom plate; side plates are fixedly connected to the two ends of the bottom plate; twosymmetrically-arranged top plates are fixedly connected to the tops of the sides, close to each other, of the two side plates; a stirring assembly used for stirring nuts is arranged between the two top plates; the top of the bottom plate is fixedly connected with a fixing plate; one side of the fixing plate is fixedly connected with an air blowing assembly used for blowing the nuts; the top of the bottom plate is connected with a connecting block in a sliding mode; and the top of the connecting block is fixedly connected with a hollow cylinder. The invention further discloses a use method. The equipment has the beneficial effects that the structure is simple; the hollow cylinder is sealed through a sealing assembly, so that the nuts cannot fall off during drying; the nuts are dried through a drying assembly and the air blowing assembly, and the nuts are stirred and turned over through the stirring assembly, so that the nuts can be dried conveniently; the hollow cylinder transversely moves through a pushing assembly, so that the nuts cannot be burnt; and the operation is convenient.

The invention discloses an internet-based human health detection and evaluation system and a use method thereof, and provides the following scheme that the system comprises a shell arranged in a wall body, one side of the shell is provided with a supporting plate and a pedal, the supporting plate is located above the pedal, the shell is internally provided with a first rotating assembly used for driving the pedal to rotate, and the first rotating assembly is located above the first rotating assembly; a first rotating assembly used for driving the supporting plate to rotate is arranged in the shell, a second rotating assembly used for driving the supporting plate to rotate is arranged in the shell, and a linkage assembly used for linkage of the first rotating assembly and the second rotating assembly is arranged in the shell. A body is detected through the body temperature detector, the heart rate detector, the blood pressure detector and the electronic weighing instrument at the same time, and the detection efficiency of physical examination is improved; the pedal and the supporting plate can be driven to rotate by starting the driving motor, storage of the supporting plate and the pedal is completed, the area, occupied by the shell, of a house is saved, then the shell can be placed at home, and a detection report can be rapidly obtained by analyzing detection data through the Internet.

The invention discloses a tooth beautifying system using a tooth beautifying sterilizing coating agent and a use method thereof, and provides the following scheme that the tooth beautifying system comprises a workbench, an inclined groove and a collecting cavity which are communicated with each other are formed in the workbench, the inclined groove is located above the collecting cavity, and a liquid drainage hole is formed in the inner wall of the bottom of the collecting cavity; a baffle is fixedly connected to the top of the workbench, a rectangular hole is formed in the baffle, two first sliding grooves are formed in the top of the workbench, and a two-way lead screw rotationally penetrates through the interior of the workbench. The head of a user end can be clamped through a first arc-shaped clamping plate and a second arc-shaped clamping plate to prevent the situation that cleaning and coating of teeth are affected by synchronous shaking of a user in the later period, the two U-shaped sleeves can be driven to move respectively to automatically open lips of the user, and liquid flowing out during cleaning can be collected through a water retaining strip and an inclined groove.

The invention discloses a foldable multifunctional walking aid. The foldable multifunctional walking aid comprises an upper connecting rod and a lower connecting rod, wherein upper frame assemblies are symmetrically arranged on the two sides of the upper connecting rod, and lower frame assemblies are symmetrically arranged on the two sides of the lower connecting rod; each lower frame assembly comprises a lower support, rolling wheels are arranged at the two open ends of the lower support, the upper end of a U-shaped structure of the lower support is rotationally connected with a seat assembly, and the seat assembly comprises a left seat and a right seat which are detachably connected; each upper frame assembly comprises a hand supporting rod and an oxter supporting rod, and the two ends of the hand supporting rod are rotationally connected with a first supporting rod and a second supporting rod respectively; connecting parts on the second supporting rods on the two sides are detachably connected with the corresponding ends of the upper connecting rod respectively; and the lower ends of the oxter supporting rods are detachably connected with the connecting parts. The walking aid can be conveniently folded, the use mode can be changed according to the physical state of a user at the same time, and a good assistance effect can be provided for the user with weak hand strength.

The invention discloses an automatic slot milling device applied to the production of smart cards, which comprises a smart card body and four pairwise symmetrical fixing columns, and the sides of the two fixing columns located on the same side are close to each other are rotatably connected with the same rotating The outer wall of the two rotating rollers is covered with the same conveyor belt, the outer wall of the conveyor belt is fixedly connected with a plurality of placement boxes, one side of one of the fixed columns is fixedly connected with a first motor, and the first The output shaft of the motor runs through the fixed column and is fixedly connected with the rotating roller, which also discloses a use method. The beneficial effects of the present invention are: the present invention has a simple structure, and the smart card body is fixed through the fixing assembly. When the fixed smart card body moves to the bottom of the milling cutter, the first motor is turned off to start the milling process. Start the first motor, and release the brake on the smart card body through the contact and extrusion of the baffle and the button, so as to realize the collection process, and the operation is simple.