671results about How to "Avoid pulling" patented technology

The air outlet reversing device comprises a comb head body, an air inlet end and an air outlet end are arranged on the comb head body, an air inlet is formed in the air inlet end, and a left air duct and a right air duct are arranged in the comb head body in a separated mode. The comb head body is internally provided with an air inlet and an air outlet end, the air outlet end is provided with first comb teeth, a left air outlet communicated with the left air duct and a right air outlet communicated with the right air duct, and the comb head body is further internally provided with an air distribution cavity communicated with the air inlet, the left air duct and the right air duct. The movable part is arranged in the air distribution cavity, so that the left air duct or the right air duct can be automatically shielded by means of the gravity action according to the inclination angle of the hair straightening comb, a user does not need to manually adjust the airflow direction when combing hair, and the user experience is improved. And the airflow path can be automatically optimized according to the actual position and action of the comb.

The utility model provides a directional explosion venting and liquid leakage preventing soft package battery and a battery pack, and relates to the technical field of batteries, the soft package battery comprises a sealing shell, a sealing strip and a soft package battery cell, an upper shell and a lower shell are buckled and connected to form a closed cavity, and the soft package battery cell is placed in the cavity; the limiting parts of the sealing strips of the upper shell and the lower shell are used for placing the tab sealing strips and the side edge sealing strips, and the surfaces of the sealing strips are coated with a layer of adhesive to be bonded with the outer surface of an aluminum plastic film of the soft package battery cell, so that the aluminum plastic film of the soft package battery cell is extruded and sealed by the upper sealing strip and the lower sealing strip, and the effects of safe explosion venting and liquid leakage prevention are achieved. The directional explosion venting and liquid leakage preventing soft package battery pack comprises a sealing shell, a sealing strip and a soft package battery cell which are arranged side by side.

The invention relates to wire and cable production and manufacturing automatic processing equipment and processing technology, and relates to the technical field of wires and cables.The wire and cable production and manufacturing automatic processing equipment comprises a fixing frame, a processing mechanism used for winding, pulling and twisting wires and a processing mechanism used for paying off and guiding single wires, and the processing mechanism comprises a paying off assembly and a guiding assembly; the processing mechanism comprises a winding assembly, a traction assembly and a twisting assembly; the winding assembly comprises a winding drum rotationally arranged on the fixing frame, a guide block movably arranged on the fixing frame, a rotating part used for driving the winding drum to rotate, a translation part used for driving the guide block to translate and a dismounting part used for dismounting the winding drum. When the multiple pay-off reels pay off wires at the same time, it can be guaranteed that the tightness of each single wire is kept consistent, the pay-off speeds of the pay-off reels are prevented from being different, and the phenomena of non-uniform pay-off, non-uniform stranded wire pitch and irregular stranded wire appearance caused by the fact that the lengths of the paid-off single wires are not consistent are prevented.

According to the mechanical automatic grabbing device for the assembly line, when the grabbing device conducts grabbing operation, a positioning suction cup composed of a supporting cylinder body, a piston body, a connecting sleeve, a suction cup head and a one-way valve body is used for positioning an object, a jacking spring in the supporting cylinder body acts on the piston body, and the suction cup head is promoted to keep a suction state on the object; a vacuum pump and other pneumatic assemblies do not need to be introduced for pressure reduction of the suction cups so as to ensure that the suction cups have suction force, in the grabbing process, the jacking springs in the supporting cylinder bodies can buffer the force of the clamping plates for grabbing the objects, and the situation that the to-be-clamped objects are damaged when the clamping plates grab the objects is avoided.

The invention discloses a forestry cultivation and planting ditching device and a working method thereof, relates to the related field of forestry cultivation and planting, and aims to solve the problems that in the prior art, a ditching piece is large in ditching difficulty in hardened soil, the rhizome part of a plant can be wound on the ditching piece and move along with the ditching piece, the soil is pulled along with movement of the rhizome of the plant, and the ditching effect is poor. And the inside of the ditch is covered by soil again. The planting ditching assembly comprises a C-shaped limiting support, the lower end of the interior of the C-shaped limiting support is rotationally connected with a connecting rotary disc, first fixing discs are fixed to the two ends of the connecting rotary disc, and C-shaped connecting supports are annularly arrayed outside the two first fixing discs; partition plates are fixed in the C-shaped connecting support in an array mode, soil passing grooves are formed in the C-shaped connecting support through the partition plates, and soil cutting edges are arranged at the ends, in the rotating direction, of the partition plates. A ditching piece is arranged at the lower end of the upper longitudinal fixing plate along the lower end of the rear end of the planting ditching assembly.

The utility model discloses a directional pressure relief anti-explosion energy storage container which comprises an energy storage container body, and an opening is formed in the top of the energy storage container body. A plurality of traction guide rods penetrate through and are fixed to the upper portion of the energy storage box, the two ends of each traction guide rod penetrate through the energy storage box, the exposed parts of the traction guide rods are slidably connected with sliding beams, and the sliding beams are connected with the energy storage box through tension structures. Wherein a left cover plate covering the top of the energy storage box body is hinged to one sliding beam, and a right cover plate covering the top of the energy storage box body is hinged to the other sliding beam. According to the utility model, when the energy storage container explodes, directional upward pressure relief can be realized.

The utility model relates to the technical field of socket technology, and discloses an electric connection structure and a dining car with a modular matching function. The electric connection structure comprises a track socket and a plug, the track socket is arranged on the vehicle body, a track slot for insertion of the plug is formed in one side, facing the function module, of the track socket, the track slot penetrates through the track socket in the length direction of the track socket, the plug is attached to the function module corresponding to the track socket, and the function module is buckled to the vehicle body. The plug is slidably arranged in the track slot, so that installation and power connection of the vehicle body and the functional module are completed at the same time, the working efficiency is improved, and a user is prevented from squatting down to pull a plug power line and then inserting the plug into a jack by visually aligning the jack. The plug can be inserted into the track socket more conveniently and efficiently, the plug can slide left and right along the track slot after being inserted into the track slot, and when the left and right positions of the function module need to be adjusted, the function module does not need to be lifted for adjustment.

The utility model belongs to the field of network wires, particularly relates to an automatic wire cutting, winding and binding all-in-one machine for a network wire, and aims to solve the problems that an existing network wire UTP series structure is relatively empty, a core wire in a wire rod is easily pulled by traction winding, and the characteristics are easily unstable during processing of a finished product, and the following scheme is provided: the automatic wire cutting, winding and binding all-in-one machine comprises a device shell, a synchronous motor is arranged at the front end of the machine, a synchronous belt is arranged at the front end of the machine, a workbench is arranged in the device shell, the workbench is located on the lower half portion of the device shell, a partition plate is fixedly connected to the interior of the device shell, and the partition plate is arranged above the workbench in parallel. Wire rods are fed into the wire storage mechanism step by step in advance to generate a speed difference to cooperate with a wire spool to perform wire winding, pulling of wire spool traction on inner core wires of network wires is reduced, characteristics are improved, meanwhile, wire harnesses can be wound and taken out conveniently through the wire winding assembly, and use is more convenient.

The present invention relates to the field of mining engineering technology, and in particular to an underground ore hoisting device for mining, comprising a lifting channel, a lifting frame slidably connected to the inner wall of the lifting channel, and a clamping mechanism for supporting and locking the lifting frame is provided in the lifting channel. When a power outage occurs suddenly during the ore lifting process, the electromagnet is powered off and stops adsorbing the iron plate, and under the action of spring I, the iron plate drives the ratchet bar II thereon to move away from the lifting frame and mesh with the ratchet bar I, and the lifting frame is clamped and fixed in the lifting channel through the cooperation of the ratchet bar I and the ratchet bar II, so as to support and lock the lifting frame, avoid the lifting frame from falling and causing a safety accident when a power outage occurs suddenly during the ore lifting process, and avoid a huge impact and pulling on the drive motor and the entire lifting device, thereby protecting the drive motor, and reducing the risk of breaking the steel rope I, effectively improving stability and safety.

The invention discloses an electrical control cabinet for an airtight test board of a hydraulic pipeline assembly, and relates to the technical field of electrical control cabinets. The device comprises a device body, a square groove is formed in the right side of the device body, an electrical assembly is arranged in the device body, a plurality of electrical wires are arranged at the bottom of the electrical assembly, a heat dissipation assembly is arranged at the top of the device body and communicates with the interior of the device body, and an airtightness detection assembly is arranged on the left side of the outer wall of the device body. A fixing plate is fixedly installed at the bottom of the device body, and electric push rods are fixedly installed at the four corners of the bottom of the fixing plate and composed of telescopic ends and fixed ends. According to the invention, the direction of the airtightness detection assembly is constantly changed in the testing process of the hydraulic pipeline assembly so as to fit the practical situation that the pipeline is easily interfered by the outside and is pulled to a certain extent in the practical application, so that the airtightness detection data is ensured to be more practical, and the durability of the hydraulic pipeline assembly is detected at the same time.

The invention discloses a quick release type lopper saw, which relates to the field of garden pruning tools, and comprises a saw head part, a connecting part and a holding part, and the saw head part is used for extending to a high position to saw branches; the connecting part comprises a telescopic rod and a connecting piece arranged at one end of the telescopic rod, the connecting piece comprises a connecting head and a fixing sleeve piece, the fixing sleeve piece is arranged on the telescopic rod and comprises an inner sleeve with a cylindrical clamping head and an outer sleeve arranged on the outer side of the inner sleeve in a sliding mode, the connecting head is arranged at the tail end of the saw head part, and a groove matched with the cylindrical clamping head is formed in the outer side of the connecting head; the holding part is arranged at the other end of the telescopic rod and comprises a holding handle and a power source. According to the quick disassembly type lopper saw, quick disassembly and assembly of the chain saw part of the lopper saw can be achieved, and time is saved.

An integrated cleaning and liquid supply device and online cleaning method for polyurethane polishing pads are disclosed. The device includes a base, a rotating seat, a swing arm, an independent liquid supply pipeline system and cleaning pipeline, a high-pressure nozzle array, and a positioning sensor assembly. During the polishing stage, polishing liquid is dripped through the liquid supply outlet. During the cleaning stage, the swing arm moves centripetally to a preset position aligned with the center of the polishing pad. The positioning sensor triggers a high-pressure pump, causing pure water to be sprayed as an atomized jet along the diameter of the pad surface through the high-pressure nozzle array. Simultaneously, the polishing pad rotates at a low speed, utilizing the synergistic effect of centrifugal force and high-pressure water flow to thoroughly remove residual contaminants within the micropores of the polyurethane. This invention integrates liquid supply and deep cleaning functions into the same motion mechanism, eliminating the need for machine shutdown or manual intervention. It offers advantages such as non-contact, non-destructive, thorough cleaning, and high automation, extending the life of the polishing pad and improving the stability of the CMP process.

The invention relates to the technical field of conductive connecting elements, and particularly discloses an electronic connecting assembly which comprises a shell, a connecting end of the shell is provided with a connecting plug connected with an equipment interface, a wiring end of the shell is in sliding connection with a wire body, the wire body extends into the wiring end of the shell and is elastically connected with the wiring end of the shell, and an electric connecting part is arranged in the shell. A protection mechanism is further arranged in the shell and comprises a push block, a connecting piece and a limiting rod, the push block is slidably connected with the connecting end of the shell, the connecting piece is fixed in the shell and connected with the push block through an elastic piece, one end of the limiting rod is connected with the push block, and the other end of the limiting rod is connected with the connecting end of the shell. The other end of the limiting rod is connected with the connecting piece through a limiting assembly, the limiting assembly is used for limiting the moving state of the limiting rod relative to the connecting piece, and the electronic connecting assembly can provide different types of protection for connection of the connecting plug relative to equipment according to the pulling acting force borne by the wire body.

The utility model discloses an enema device, which belongs to the technical field of medical instruments and comprises a lubricating cylinder and an enema tube, the outer surface of the lubricating cylinder is fixedly connected with an elastic handle, the inner surface of the lubricating cylinder is fixedly connected with a fixed disc, the outer surface of the fixed disc is provided with a sponge ring, and the outer surface of the fixed disc is fixedly connected with a reset telescopic rod. And a reset spring is wound on the outer surface of the reset telescopic rod. According to the enema device, a sponge ring can smear lubricating liquid on an enema tube entering a lubricating cylinder, meanwhile, a movable driving rod can extrude the sponge ring through an extrusion disc, the sponge ring is stressed to release the lubricating liquid outwards, the surface of the enema tube can be evenly smeared with the lubricating liquid, and the extrusion disc can be rapidly reset under the action of a reset telescopic rod and a reset spring; the enema tube fully stained with the lubricating liquid can be easily inserted into the anus of a patient for enema, the situation that the enema efficiency is reduced due to excessive tension of the patient is avoided as much as possible, and meanwhile waste caused by excessive smearing of the lubricating liquid is avoided as much as possible.

The present invention relates to the field of battery technology, and discloses a negative electrode collector disk, a battery and a battery pack, wherein the negative electrode collector disk includes a first welding area, a second welding area and an elastic buffer area. The first welding area includes a first welding portion, and the first welding portion is suitable for welding with the negative electrode cover plate of the battery; the second welding area is located outside the first welding area, and the second welding area includes a second welding portion, and the second welding portion is suitable for welding with the electrode group of the battery; the second welding portion is recessed in the first welding portion; the elastic buffer area is located between the first welding area and the second welding area, and radially separates the first welding portion and the second welding portion; the inner side of the elastic buffer area is connected to the first welding portion, and the outer side of the elastic buffer area is connected to the second welding portion. The present invention sets an elastic buffer area so that there will be no mutual influence of vibration between the first welding area and the second welding area, thereby ensuring the performance of the battery cell, avoiding pulling on the pole ear due to inaccurate positioning, and having high reliability.

The invention relates to the technical field of charging piles, and discloses a charging pile with heat dissipation and anti-theft functions, the charging pile comprises a case and a charging gun, the right side of the case is provided with an anti-theft heat dissipation device, the inner wall of the case is provided with a dust cleaning device, and the inner wall of the case is provided with a dust wiping device; the anti-theft heat dissipation device comprises a sliding groove block, two guide blocks, a spring telescopic rod, an extrusion plate, a steel wire, a connecting block, a pressing block, a first motor, a threaded rod, a first fixing plate and a first fixing rod, the sliding groove block is fixedly connected to the right side of the case, and the two guide blocks are slidably connected to the inner wall of the sliding groove block. According to the anti-theft charging gun, the anti-theft heat dissipation device is arranged in the charging gun, the anti-theft heat dissipation device is invisible outside the charging gun, and the anti-theft charging gun has a certain anti-theft effect.

The utility model discloses a drainage tube double-clamping device, and particularly relates to the technical field of drainage tube double-clamping, which comprises a mounting plate, supports are arranged on two sides of the top of the mounting plate, clamping components for clamping a drainage tube are fixedly arranged on the tops of the two supports, an adjusting component for adjusting the distance between the two supports is arranged on the top of the mounting plate, and a clamping component is arranged on the top of the mounting plate. The two clamping assemblies each comprise a round rod, the two round rods are fixed to the tops of the two supports correspondingly, the outer walls of the two round rods are each provided with two symmetrically-distributed first annular grooves, and annular plates are arranged in the first annular grooves in a sleeved mode. The clamping plates distributed in the front-back direction are buckled together through the two buckling rods, the two clamping plates distributed in the front-back direction firmly clamp and close the drainage tube, so that double clamping and closing of the drainage tube are completed, fluid in the drainage tube can be effectively prevented from flowing, meanwhile, the spring clamp is used for clamping clothes, the situation that the drainage tube is pulled due to the fact that the device is too heavy is avoided, and the drainage tube is not damaged. And the silica gel pads on the surfaces of the splints can prevent the splints from pinching the drainage tube.

The utility model belongs to the technical field of coal mine grouting and hole sealing, and particularly relates to coal mine drilling, grouting and hole sealing equipment which comprises a coal mine drill bit, a hollow cushion layer liquid guiding unit is movably connected to the outer side surface of the coal mine drill bit in a sleeved mode, and the hollow cushion layer liquid guiding unit comprises a hollow sleeve, a sealing soft strip, a one-way liquid guiding pipe and a liquid inlet hole. A grouting liquid infusion unit is arranged on the surface of the bottom of the hollow sleeve and comprises a grouting sealing tank and a downward pressing sliding plate. The drilling clamping connector at one end of the coal mine drill bit is in butt joint with a drilling machine, the attaching sealing disc on the outer side surface of the drilling clamping connector is connected to the surface of one end of the hollow sleeve in a sleeved mode, and the clamping sealing strip on the outer side surface of the attaching sealing disc is matched to be in butt joint with the inner side surface of the butt joint limiting groove. When the drilling clamping connector is matched with a coal mine drill bit to drill holes in the surface of a coal seam, and when the drilling clamping connector rotates, the attaching sealing disc can rotate on the surface of one end of the hollow sleeve.

The invention discloses a self-adaptive optical fiber socket transceiver, and relates to the technical field of optical fiber transceivers, and the transceiver comprises transceiver equipment which is provided with an optical fiber connection end and is externally connected with an optical fiber; through the arrangement of the positioning anti-falling mechanism, accidental loosening caused by external factors such as vibration and impact is avoided, the risks of signal interruption and data transmission failure caused by connection problems are further reduced through limiting of the optical fibers, accurate alignment of the end faces of the optical fibers can be kept through stable optical fiber connection, and the service life of the optical fibers is prolonged. Optical loss caused by unstable connection is reduced, the situation that the connection position of the optical fibers is changed due to looseness is prevented, it is ensured that the quality of signals is not affected in the transmission process, on the basis that the clamping diameter of the movable rod for the optical fibers is adjustable, the influence of material expansion or shrinkage caused by temperature difference on optical fiber connection can be reduced to a certain extent, and the service life of the optical fibers is prolonged. Normal work in different temperature environments is guaranteed, and the possibility of movement of the optical fiber is reduced.

The utility model relates to the technical field of power distribution network planning, and discloses an efficient power distribution network frame for power distribution network planning, which comprises a telegraph pole, a protective frame is arranged on the outer side of the telegraph pole, a first longitudinal rotating shaft is rotatably connected to one side in the protective frame, and a second longitudinal rotating shaft is rotatably connected to the other side in the protective frame. Box bodies are arranged at the front end and the rear end of the protection frame correspondingly, a first transverse rotating shaft is rotationally connected to one side of the interior of each box body, a second transverse rotating shaft is rotationally connected to the other side of the interior of each box body, a third transverse rotating shaft is rotationally connected to the bottom side of the interior of each box body, and a fixing plate is arranged at the top of each box body. And one side of the top of the box body is fixedly connected with a first screw rod. According to the utility model, through the first transverse rotating shaft, the second transverse rotating shaft and the third transverse rotating shaft, the electric wires can be distributed in the box body in a V shape, and when the wind power is strong, the movement allowance of the electric wires can be increased, the electric wires are prevented from being pulled, the service life of the electric wires is prolonged, and the maintenance cost is reduced.

The utility model discloses a cutting device for silk processing. The cutting device comprises a cutting table, a fixing frame is fixedly connected to the top side of the cutting table, a winding drum roller shaft is arranged on the inner side of the fixing frame, a pressing roller is arranged on one side of the winding drum roller shaft, a cutting assembly is arranged on one side of the pressing roller, and an end positioning assembly is arranged on one side of the cutting assembly. The cutting assembly comprises a first shell fixed to the top side of the cutting table, a connecting rod and a sliding rod are inserted into the first shell, the sliding rod is in sliding connection with the first shell, the outer wall of the sliding rod is sleeved with a first spring, one end of the first spring and one end of the sliding rod are fixedly connected with a bottom plate, and the bottom of the bottom plate is fixedly connected with a first pressing block. A cutter is fixedly connected to one end of the connecting rod, sliding rods are arranged on the two sides of the cutter, and first pressing blocks are arranged at one ends of the sliding rods; the end positioning assembly comprises a second shell fixed to the top side of the cutting table. The device can improve the flatness of the cut surface of the silk and improve the precision and quality of silk cutting.

The invention relates to the technical field of steel bar detection equipment, in particular to a nondestructive detection device and method for corrosion of steel bars in concrete, and the nondestructive detection device comprises a microwave detector body, a detector butt joint, a butt joint cylinder, a connector, a locking cylinder, a detection wire, a conductive branch wire, a first-stage locking mechanism, a limiting mechanism and a second-stage locking mechanism, the non-contact, non-damage and high-precision detection of the substance can be realized by detecting the substance by utilizing the electromagnetic wave characteristic of the microwave, compared with the traditional detection method, the microwave detection has the advantages of higher sensitivity, short operation time, convenience, low cost, harmlessness to a human body and the like, and in the specific detection, the penetrability of microwave flaw detection is strong, and the detection accuracy is high. According to the method, the defect of several meters of depth can be detected, a detection scheme for damage of the reinforcing steel bars in the protective layer is provided from the perspective of a new detection technology, the corrosion condition of the reinforcing steel bars of the concrete structure under the protective layer can be nondestructively detected, and the reinforced concrete structure can be better managed and maintained.

The utility model relates to the technical field of nursing frames, and discloses a nursing frame for hemodialysis nursing, which comprises a base, an electric telescopic rod is fixedly connected to the upper end of the base, a supporting plate is fixedly connected to the output end of the electric telescopic rod, and a fixing rod is fixedly connected to one side of the upper end of the supporting plate. A first sliding groove is formed in the side, away from the center of the supporting plate, of the fixing rod, a sliding seat is slidably connected to the interior of the first sliding groove in a limiting mode, a fixing clamp is fixedly connected to the side, away from the fixing rod, of the sliding seat, clamping plates are slidably connected to the two sides in the fixing clamp, and a containing groove is formed in the side, away from the fixing rod, of the supporting plate. The sides, close to the center of the supporting plate, of the upper ends of the containing grooves are fixedly connected with elastic connecting belts. According to the dialysis nursing frame, an infusion tube can be clamped and fixed through the fixing clamp, the position of the fixing frame can be adjusted through the clamping block and the sliding base, the arm of a patient can be fixed through the containing groove, and the stability during dialysis nursing is improved.

The utility model discloses a cable former with stable pay-off, which belongs to the technical field of cable formers and comprises a base, universal wheels are mounted at four corners of the bottom end of the base, a U-shaped support is fixedly mounted on one side of the top end of the base, a plurality of first rotating shafts are rotatably mounted at the bottom end of the support, and a plurality of second rotating shafts are mounted at the bottom end of the support. A second rotating shaft is rotatably installed on one side of the inner wall of the support, the multiple first rotating shafts are in transmission connection with the second rotating shaft through a gear set, a first motor is fixedly installed at one end of the second rotating shaft, the top ends of the first rotating shafts penetrate through the base and are connected with a supporting disc in a clamped mode, and a positioning rod is fixedly installed at the top end of the supporting disc; a cable sleeve is slidably installed on the outer side of the positioning rod, a limiting disc, a cabling winch and a winding piece are sequentially installed at the top end of the base, the device is convenient to move, the cable sleeve can be rapidly installed and fixed, a plurality of cables can be synchronously pulled in the machining process, excessive pulling of the cables is avoided, and the damage rate of the cables is reduced.

The utility model discloses a wire arrangement device for threading in a building electrical pipe, which comprises a fixing mechanism, the side surface of the fixing mechanism is fixedly connected with two assembly rods, a bundling mechanism is arranged on the two assembly rods in a sliding manner, the bundling mechanism comprises a shell, the shell is arranged on the assembly rods in a sliding manner, a second sliding chute is arranged in the shell, and the second sliding chute is arranged in the fixing mechanism. Three limiting blocks are arrayed in the second sliding groove, the other ends of the limiting blocks penetrate out of the shell and are connected with a mounting plate, the mounting plate is connected with the shell through a third spring, and a plurality of balls are embedded in the sides, close to each other, of the three limiting blocks. According to the utility model, a plurality of wires are inserted among the three limiting blocks and then are connected with the steel wire rope, and along with pulling of the steel wire rope, the wires are gathered together through the bundling effect of the three limiting blocks, so that the step of threading in the pipe is easy and convenient, the efficiency of wiring in the pipe is improved, and the labor cost is reduced.

The invention discloses a light atmosphere adjustment device for digital exhibition hall design, which relates to the technical field of light adjustment, and comprises a shell and a device body, wherein the device body is inside the shell, a heat dissipation device is installed on the surface of the device body, a maintenance port is opened on the surface of the shell, a maintenance plate is rotatably installed inside the maintenance port, a protective device is arranged inside the shell, an elastic telescopic rod is fixedly installed on the left side of the device body, a connector is fixedly installed on the free end of the elastic telescopic rod, a wire is arranged on the connector, and a back plate is fixedly installed on the left side of the shell, when the air inside the hollow frame cannot be discharged from the exhaust pipe in time, the increase of the air pressure inside the hollow frame will push the sealing plate and the extrusion frame to move, and the extrusion frame will squeeze the wire to restrict the movement of the wire, so as to prevent the wire from moving quickly to the outside of the shell and affecting the connection between the device body and the wire.

The utility model relates to the technical field of pipelines, in particular to a water supply and drainage pipeline connecting structure which comprises a bottom plate, supporting plates are fixedly connected to the two symmetrical sides of the upper end face of the bottom plate, first threaded holes are formed in the upper end faces of the supporting plates, and first bolts are connected into the first threaded holes in a threaded mode. A lower supporting seat is fixedly connected to the upper end face of the bottom plate, an upper supporting seat is in lap joint with the upper end face of the lower supporting seat, a sealing gasket is fixedly connected between the lower supporting seat and the upper supporting seat, a first connecting pipe and a second connecting pipe are slidably connected to the inner wall of the sealing gasket in a sleeving mode, and a limiting rod is fixedly connected to the back face of the first connecting pipe. By arranging the supporting frame, the pin shaft, the fixing plate, the hose, the telescopic rod, the threaded rod and the nut, when the nut rotates, the threaded rod is driven, the spraying height of the drainage pipe is adjusted, under the action of the pin shaft, the limiting effect on swing of the drainage pipe is achieved, and the situation that the swing amplitude is too large, and pulling is caused is avoided.

The utility model provides a double-layer cold shrink sleeve, which belongs to the technical field of cold shrink sleeves and comprises an outer tube. The necking pipe is fixedly connected to one end of the outer pipe; the inner pipe is fixedly connected between the inner walls of the outer pipe, the inner pipe and the outer pipe are axially concentric, and the inner pipe is connected with the necking pipe; the reel pipe is inserted into the gap between the outer pipe and the inner pipe, one end of the reel pipe is fixedly connected with a connecting strip, the multiple guiding blocks are used for guiding the cable end to the position between the inner pipe and the necking pipe, the cable end is prevented from extruding and pulling the reel pipe, the reel pipe is prevented from being broken in the inserting process, and the cold shrinkage sleeve is prevented from being shrunk in advance; the reelpipe is difficult to draw out from the gap of the double-layer cold shrink sleeve, support fragments are prevented from existing after the double-layer cold shrink sleeve is constructed, and the sealing performance of the double-layer cold shrink sleeve is improved.

The utility model relates to the technical field of medical trolleys, in particular to an auxiliary trolley. The trolley comprises a trolley frame, universal wheels are fixed to the four end corners of the bottom of the trolley frame, supporting plates are fixed to the two ends of the inner side of the trolley frame, and auxiliary structures are arranged on the sides, close to each other, of the two supporting plates. According to the auxiliary trolley, due to the design of the lifting mechanism, the auxiliary trolley can be adjusted according to the height and the body position of a patient, it is guaranteed that an infusion bottle is located at the proper height, and the infusion height most suitable for the patient can be found for the tall patient or the short patient; the infusion tube is prevented from being twisted or pulled, and the infusion comfort and safety are improved; through the design of the auxiliary rest structure, the device can provide a rest for the patient at the first time, which is particularly important for the patient who needs to lie on a trolley for a long time, and can effectively relieve physical fatigue and discomfort.

This invention relates to the field of medical device technology, specifically to a fixation brace for postoperative repair of lateral collateral ligament injury of the ankle joint. It includes a bionic support shell conforming to the dorsum of the foot, ankle, and heel. The bionic support shell comprises a dorsum segment, an ankle segment, and a heel segment conforming to the dorsum of the foot, ankle, and heel. The bionic support shell is equipped with a multi-dimensional fit and fixation mechanism and an adaptive rehabilitation adjustment mechanism. The multi-dimensional fit and fixation mechanism is electrically connected to a control module, which is also electrically connected to the adaptive rehabilitation adjustment mechanism. The multi-dimensional fit and fixation mechanism includes an arch support component, a circumferential tightening component, and a heel limiting component. The control module is used to adjust the fixation force of the multi-dimensional fit and fixation mechanism, simultaneously and in conjunction with adjusting the range of motion limits of the adaptive rehabilitation adjustment mechanism. This invention achieves precise multi-point fit and fixation of the ankle joint, with precisely adjustable fixation force.