80results about How to "Less squeeze" patented technology

This utility model relates to the field of busbar technology, specifically an assembled composite busbar. A T-shaped plate is provided on the outer side of multiple sets of copper busbars and insulating layers. The end plates of the T-shaped plates are attached to the sidewalls of the copper busbars and insulating layers. The T-shaped plates are encapsulated within an encapsulation layer, and screws extending to the outer side of the encapsulation layer are provided on both the upper and lower sides of the T-shaped plates. Flexible buffer components are sleeved on the ends of the screws. The beneficial effects are: by adding horizontally placed T-shaped plates to the sidewalls of the existing busbar, the extended horizontal plates increase the strength and support of the encapsulation, preventing breakage. Simultaneously, the screws extending to the outer side of the encapsulation layer on the T-shaped plates connect to the padding layer, allowing the busbar to be suspended in mid-air. The padding layer supports the upper and lower sides of the busbar, reducing pressure on the circuit board and improving the stability of the circuit connection.

The utility model provides a hinge opening and closing pressure adjusting structure, and belongs to the technical field of hinges. The hinge opening and closing pressure adjusting structure solves the problems that an existing hinge assists in closing and adjusting of a door leaf difficultly and is inconvenient to use, and comprises a hinge body, a mounting blade A and a mounting blade B are arranged on the hinge body, a hinge plate is arranged between the mounting blade A and the mounting blade B, and a mounting base is arranged on the mounting blade A; symmetrical installation bosses are arranged at the two ends of the installation base, a spline shaft is arranged between the installation bosses, pressure springs are arranged at the two ends of the spline shaft, adjusting cavities are formed in the side walls of the installation bosses, pressing blocks and pressing plates which abut against each other are arranged in the adjusting cavities, and pressure bearing parts are arranged on the pressing plates and abut against the pressure springs. The stepless adjusting mechanism of the automatic feeding machine has the advantages that the adjustment is simple and convenient, the application range is wide, and the stepless adjustment is realized.

The invention discloses a novel clinical uterine curettage device for gynaecology and obstetrics, and relates to the technical field of uterine curettage devices, the novel clinical uterine curettage device for gynaecology and obstetrics comprises a handle, a length adjusting mechanism, an angle adjusting mechanism and a rotating mechanism are arranged on the inner side of the handle, a movable cylinder is arranged on the inner surface of the length adjusting mechanism, and a deformation mechanism is arranged at one end of the movable cylinder. According to the novel clinical uterine curettage device for the obstetrics and gynecology department, by arranging the deformation mechanism, the opening amplitude and shape of the deformable curettage ring can be precisely adjusted, the deformable curettage ring is made to adapt to the sizes and shape differences of uterine cavities of different patients, compared with a fixed arc-shaped structure, friction and extrusion generated when the curettage assembly enters the uterine cavity are reduced, the operation entering difficulty is lowered, and the pain feeling of the patients is reduced; the problems that most scraping assemblies of an existing clinically-used uterine curettage device are of a fixed-shape arc-shaped structure, the entering difficulty is increased, the operation time is prolonged, high pain can be brought to a patient, even complications such as uterine cavity mucosa injury can be possibly caused, and postoperative recovery of the patient is affected are solved.

The utility model relates to the technical field of electric coagulation haemostatic forceps, and discloses a miniature electric coagulation haemostatic forceps for animal test surgery, which comprises two connecting rods, the left sides of the two connecting rods are fixedly connected with extension rods, the exteriors of the two extension rods are connected with sliding sleeves in a sliding manner, elastic assemblies are arranged in the extension rods, and the elastic assemblies are connected with the sliding sleeves in a sliding manner. A sliding groove is formed in the left side of the interior of the extension rod, a hemisphere is fixedly connected to the bottom of the elastic assembly, a plurality of clamping grooves are formed in the bottom side of the interior of the sliding sleeve, an outer clamp body is fixedly connected to the left side of one connecting rod, and an inner clamp body is fixedly connected to the left side of the other connecting rod. According to the haemostatic forceps, after the hemisphere moves to the designated clamping groove position, the spring releases elastic potential energy, the hemisphere is pushed to reset and be clamped in the clamping groove in the bottom of the sliding sleeve, and therefore the length of the haemostatic forceps is locked. The length of the hemostatic forceps can be flexibly adjusted according to the requirements of different operation scenes, and a doctor can operate and use the hemostatic forceps conveniently.

The utility model discloses an improved bilateral pneumatic pear-type discharger, which belongs to the field of dischargers and comprises a discharging box, a conveying belt and a discharging mechanism. The discharging mechanism comprises a plowshare assembling frame, a piston rod, an assembling ring, a first air cylinder, a hinge seat, a lifting assembling frame, an assembling plate, a supporting connecting rod, a supporting seat, a supporting roller, a coulter, an upper plowshare, a first linkage rod, a lower plowshare and a second linkage rod. The bracket can be driven to rise synchronously through the linkage rod and the hinge structure, the carrier roller at the top of the bracket can abut against the conveying belt body to ensure that the conveying belt body is in a flat state, meanwhile, the plowshare can be connected with the top of the conveying belt to conduct flow guide discharging, extrusion of the plowshare to the conveying belt can be reduced, abrasion and the failure rate of the conveying belt are reduced, and the service life of the conveying belt is prolonged. Meanwhile, the plowshare is combined with the discharging boxes on the two sides, the materials can be guided to the two sides to be discharged, the discharging efficiency is improved, and discharging abrasion is shared.

The utility model discloses a pair of basketball shoes comfortable in foot feeling, and belongs to the technical field of shoes. The basketball shoe comprises a vamp, a shoe tongue and a sole, the shoe tongue comprises an outer wrapping layer and a buffer piece, the buffer piece is clamped in the outer wrapping layer, the sole comprises a middle sole and an outer sole, and a plurality of honeycomb-shaped protrusions are arranged at the front sole position and the heel position of the upper side of the middle sole. By means of the buffer piece clamped on the inner side of the shoe tongue, the extrusion feeling to the instep can be relieved when the shoe is worn, the foot feeling is more comfortable, the buffer piece is made of foaming plastic and has good elasticity and softness, the cellular protrusions arranged on the front sole and the heel on the insole can enhance the softness of two acting points, and therefore the shoe is more comfortable to wear. Meanwhile, a touch feeling similar to massage is generated, so that the comfort of foot feeling is further improved.

The utility model provides a fast-assembly cable waterproof joint, which relates to the field of cable waterproof joints, and comprises a base, a binding post, a second threaded pipe, a second elastic body, a first threaded pipe, a first elastic body and two clamping claws respectively fixed at one end of the first elastic body and one end of the second elastic body. And waterproof rubber cores are movably arranged in the two clamping claws. A worker can screw a first elastic body and a first threaded pipe and then screw a second elastic body and a second threaded pipe, clamping claws at one end of the first threaded pipe and one end of the second threaded pipe are extruded, the clamping claws contract inwards and extrude a waterproof rubber core, and the waterproof rubber core contracts to extrude an internal cable; the sealing performance of the waterproof rubber core and the internal cable is improved, shaking and pulling of the cable are reduced, passing of steam is reduced, and the safety in use is greatly improved.

This invention discloses a laser-flame composite cutting device, belonging to the field of laser processing technology. It includes a mounting housing, a laser module, a flame module, and a composite nozzle mounted on the mounting housing. The composite nozzle includes a first through hole and a second annular hole coaxially fitted together. The first through hole is connected to the laser module, and the second annular hole is connected to the flame module. A first on / off valve is provided on the oxygen transmission pipeline of the flame module, and a second on / off valve is provided on the gas transmission pipeline. A first transmission pipeline is provided inside the mounting housing, sequentially connecting the oxygen transmission pipeline, the gas transmission pipeline, and the second annular hole. The gas transmission path length of oxygen from the first on / off valve to the second annular hole is equal to the gas transmission path length of gas from the second on / off valve to the second annular hole. In this invention, the oxygen and gas are mixed and ejected in a basically set ratio in the laser-flame composite cutting device, ensuring precise adjustment of the flame thermal power and achieving precise control of the laser-flame composite cutting quality.

The utility model relates to button technical field especially, and more particularly relates to a button of reliable structure. A button of reliable structure, its characterized in be including: button base and outside upper casing, the upper portion of outside upper casing is provided with press kit, the lower portion of press kit is provided with convex buffer pad, the convex buffer pad is higher than the upper edge of outside upper casing, for buffering press kit up-and-down reciprocating, reduce the extrusion to internal silica gel, outside upper casing and button base inside still be provided with press spring, the lower end of button base's outside still has the guide connection piece of joint.

This utility model discloses a fresh-keeping packaging box for apple transportation, relating to the field of apple transportation technology. The technical solution includes a box body with two sliding plates fixed inside. Multiple slots are provided on one side of each sliding plate. Multiple partition components are provided inside the box body. Each partition component includes a partition shell located inside the box body. A limiting groove is provided on one side of the partition shell, and a sealing plate is provided inside the limiting groove. A grid plate is fixed on the top of the sealing plate. Side blocks are fixed on both sides of the partition shell. The beneficial effects are: reducing collisions and compression between apples, greatly reducing the probability of mechanical damage to apples, thereby reducing transportation losses; rationally setting the distance between adjacent partition components improves the utilization rate of the internal space of the box, reducing transportation costs; ice packs can be placed inside the partition shell to lower the temperature inside the box, inhibiting the respiration of apples and the growth and reproduction of microorganisms, thus extending the shelf life of the apples.

The utility model provides a shoe with a height increasing function, which comprises a sole and a fabric vamp, and a height increasing insole is arranged in the shoe. The rear end of the sole extends upwards to form a wrapping part, and the thickness and the width of the wrapping part gradually change from top to bottom to protect the heel part. And the wrapping part is provided with three T-shaped connecting parts which are detachably connected with the T-shaped connecting grooves in the insole to clamp and fix the heel part. A big-end-down conical deformation groove is formed in the center of the rear end of the insole, and a U-shaped breaking joint with a forward opening is further arranged at the rear end and is separated from the edge to divide the rear end into two parts. By means of the design, when the insole deforms, part of deformation is released into the deformation groove and the inner side of the breaking joint, extrusion to the heel part is reduced, and the shape of the heel part is kept. The structure is reasonable, and the problem that the heel part deforms due to a thick insole is effectively solved.

The utility model relates to refractory material technical field, concretely relates to a kind of support brick for liquid crystal substrate glass kiln passageway, including the brick body and connecting part made of same material, the brick body and the connecting part are the slot shape structure of top and both ends opening, the connecting part is integrally wrapped outside the brick body, one side wall of connecting part is higher than the top surface of brick body, another side wall is lower than the top surface of brick body, the two end faces of connecting part are misaligned with the two end faces of brick body, the end of connecting part and the end of brick body form first boss and first recess respectively, the top end of connecting part and the top end of brick body form second boss and second recess respectively;Connecting hole is equipped on the support brick and is penetrated to the bottom surface of connecting part from the top end of brick body;When using, two support bricks are butted to form the support unit of platinum passageway, and the support structure of platinum passageway is connected by multiple support units.

The utility model discloses a tampon which comprises a tampon assembly, a wrapping ring, a pull rope fixed at the bottom end of the wrapping ring, an elastic ring fixed in an inner cavity of the wrapping ring, a leakage-proof ring fixed on the inner wall of the elastic ring and a film storage tube fixed in an inner cavity of the leakage-proof ring. A peculiar smell removing agent is stored in the thin film storage pipe; the flow guide holes are evenly formed in the wrapping ring, the inner-layer absorption cotton is fixed in an inner cavity of the wrapping ring, the inner-layer absorption cotton is located between the wrapping ring and the elastic ring, when the device is pressed, the film bag can be pinched broken, lubricating liquid is released, and the dry feeling in the using process is reduced; when menstrual blood is absorbed, one part of the menstrual blood is absorbed by the wrapping ring, and the other part of the menstrual blood is absorbed by the inner-layer absorption cotton through the flow guide holes, so that the expansion degree of the wrapping ring after too much liquid is absorbed is reduced, the extrusion of the device on the inner wall of the vagina is reduced, and the air permeability is improved.

The utility model is suitable for the technical field of power equipment, and provides a power distribution cabinet convenient for hidden arrangement of cables, which comprises a power distribution cabinet body, and a guide rail plate is fixedly arranged in the power distribution cabinet body and is used for assembling an air switch and a leakage protection switch; the wire inlet and the wire outlet are respectively formed in one side and the bottom of the power distribution cabinet body and are used for connecting in and connecting out a cable; the first wiring groove and the second wiring groove are fixedly installed in the power distribution cabinet body through screws and used for wiring, and detachable cover plates are arranged on the first wiring groove and the second wiring groove and used for covering cables. The power distribution cabinet convenient for hidden arrangement of the cables provided by the scheme solves the problem that the cables of the existing power distribution cabinet are exposed and are not beautiful in arrangement.

The application provides a battery device and an electric device. The battery device comprises a battery cell and a box body. The battery cell is arranged in the box body. The box body comprises a wall part. The wall part comprises an outer layer structure, an intermediate layer structure and an inner layer structure which are sequentially stacked along the thickness direction of the wall part. The intermediate layer structure is configured as a shear thickening structure. The inner layer structure is closer to the battery cell than the outer layer structure. The wall part further comprises a reinforcing structure which is connected to the surface of the outer layer structure facing the inner layer structure. Since the intermediate layer structure is configured as a shear thickening structure, when the intermediate layer structure is impacted, the rigidity of the intermediate layer structure will significantly increase with the increase of the impact rate. Therefore, the wall part of the box body can well resist external impact, the possibility of damage of the battery cell in the box body due to impact is reduced, the impact resistance of the battery device is improved, and the reliability of the battery device is improved.

The utility model relates to a seat ring, a toilet cover and a toilet, relate to closestool and its spare part device field, including the seat contact surface that is made of two left and right symmetrical curved surface smooth connection, wherein, the inside edge height of curved surface is lower than the outside edge height, a certain extrusion is caused to abdomen during defecation process can help defecation, and the height difference between the inside edge of curved surface and the outside edge of curved surface gradually reduces from back to front, and curved surface is equipped with first arc surface to fifth arc surface that are sequentially smooth connection from back to front, each arc surface can be applicable to the user of different seat position, avoid the discomfort of the user produced because of the seat subsidence leads to leaning back, simultaneously, each arc surface is contacted in the different position of user's hip and thigh, has strengthened the wrap of seat ring to hip, reduced the extrusion of arm and thigh root nerve, improved the comfort of defecation.

The invention relates to the technical field of nursing instruments, in particular to a critical patient bed changing assist device and a using method thereof.The critical patient bed changing assist device comprises two support assemblies, a conveying mechanism is in transmission connection between the two support assemblies, each support assembly comprises a center frame, and connecting rods are fixedly connected to the two sides of each center frame; and one outer side wall of one connecting rod is fixedly connected with a toothed plate. According to the critical patient bed changing assist device and the using method thereof, through arrangement of a hollow belt, a through rod and an air bag rod, when a support assembly moves leftwards and is inserted from the lower portion of the body, the upper-layer air bag rod keeps still relative to a sickbed, and after the upper-layer air bag rod at the left end supports the body, a gap is formed between the body on the left side of the air bag rod and the sickbed; the air bag rods on the lower layer move to the upper layer so as to expand and support the body again, so that the multiple air bag rods expand and support the body of the patient in sequence, extrusion to the patient in the horizontal direction is avoided or reduced, meanwhile, disturbance to clothes is reduced, and the comfort of the patient during transferring is improved.

The invention discloses a fixing structure and semiconductor process equipment. The fixing structure comprises a first clamping block and a second clamping block, wherein the first clamping block and the second clamping block are used for clamping a clamped piece from two opposite sides of the clamped piece in a first direction; a first clamping groove is formed in the face, facing the second clamping block, of the first clamping block. A second clamping groove is formed in the face, facing the first clamping block, of the second clamping block. And the elastic assembly is connected to the inner side of the side wall of the first clamping groove so that the elastic assembly can be arranged in the first clamping groove in a suspended mode, and when the first clamping groove and the second clamping groove are encircled, the elastic assembly and the second clamping groove can clamp the clamped piece. According to the clamping device, abrasion to a clamped part can be reduced, and therefore the service life of the clamped part can be prolonged; when the outer side of the clamped piece is wrapped with the heating belt, the elastic assembly can also reduce extrusion on the clamped piece, and therefore the fault rate of the heating belt can be reduced.

The invention relates to a workpiece fixing device for vehicle motor shaft machining, and belongs to the technical field of motor shaft machining devices. Comprising a working table, the working table is fixedly connected with a mounting plate, the mounting plate is rotatably connected with a rotating frame, the working table is fixedly connected with a first motor, the rotating frame is slidably connected with adjusting pieces which are distributed at equal intervals in the circumferential direction, and the adjusting pieces are slidably connected with clamping pieces; the rotating frame is rotatably connected with blocking pieces distributed at equal intervals in the circumferential direction and transmission shafts distributed at equal intervals in the circumferential direction, the workbench is slidably connected with a sliding seat, the sliding seat is fixedly connected with a fixing rod, the fixing rod is slidably connected with a supporting seat, and the supporting seat is rotatably connected with a rolling wheel. The motor shaft is supported through the rollers, so that the stress of the motor shaft in the machining process is more balanced, and the extrusion of the motor shaft on the clamping piece under the action of a lever during machining is reduced, so that the abrasion of the clamping piece during use is reduced, and the precision of the motor shaft in the machining process is ensured.

This utility model relates to the technical field of endotracheal intubation dental pad devices, specifically to a modified endotracheal intubation dental pad, comprising a dental pad, a dental pad, and a dental pad whose middle part is fixedly engaged with the middle part of a baffle. Four sets of fasteners are fixed to the middle of one side of the baffle. A through groove is provided in the middle of the baffle. Each fastener includes a tail block, a bent part, and a crimping end. The two ends of the bent part are fixedly connected to the two ends of the tail block and the crimping end, respectively. One end of the tail block is fixed to the side wall of the baffle. The dental pad is wrapped with multiple layers of gauze, and the gauze is covered by a rubber sleeve on the outside of the dental pad. The user can first fix it to the outside of the three layers of gauze with the rubber sleeve for initial positioning, and then use the external fastener structure to further position the rubber sleeve. The dental pad is made of soft plastic material. Clinical use has shown that this modified dental pad significantly reduces the pressure of the dental pad on the lips and tongue, reduces patient pain, reduces oral infection, and promotes patient recovery.

The utility model discloses a low -noise filter cartridge dust remover, including the shell, the inside central part of shell is equipped with the baffle, the inside wall between the shell of baffle top is fixedly connected with the air outlet pipe, the air outlet pipe is by three sections of different diameter pipeline composition, the inside wall fixedly connected with spiral fairlead of air outlet pipe, the right -hand end opening of air outlet pipe is located the lateral wall surface of shell, the utility model discloses a three sections of different diameter pipeline composition air outlet pipe is set in the air -out position, and the air -out path gradually expands, reduces the extrusion and flow rate of airflow, and sets up spiral fairlead, and originally high -speed and disorderly airflow is ingeniously guided as spiral vortex, thereby significantly reduces turbulent flow noise, and the effect of reducing noise is greatly improved.

The application discloses a battery device and an electric device. The battery device comprises a box body and a battery cell assembly. The box body defines a containing cavity and comprises a side beam. The side beam comprises a side beam body and a mounting portion protruding towards the containing cavity. The mounting portion cooperates with the side beam body to define an avoiding space on the lower side of the mounting portion. The battery cell assembly is arranged in the containing cavity. In the up-down direction, at least part of the battery cell assembly is below the mounting portion. According to the battery device, the mounting portion cooperates with the side beam body to define the avoiding space on the lower side of the mounting portion. At least part of the battery cell assembly is below the mounting portion. When the battery device is subjected to a side impact, the side beam can deform towards the avoiding space, reducing the probability of the side beam impacting the battery cell assembly, thereby improving the safety of the battery device. Part of the battery cell assembly can extend into the avoiding space, increasing the electric space of the battery cell assembly and the electric quantity of the battery device.

The invention discloses a valve device and an actuator, the actuator is provided with a driving cavity, the actuator comprises a circuit board assembly and a transmission gear, and the circuit board assembly and the transmission gear are contained in the driving cavity; the circuit board assembly comprises a potentiometer, the transmission gear can drive the potentiometer to rotate and comprises a limiting shaft and a gear, the gear protrudes out of the limiting shaft in the circumferential direction, and the limiting shaft comprises a positioning shaft section; the actuator further comprises a supporting piece, the gear, the supporting piece and the circuit board assembly are arranged in the axis direction of the transmission gear, the supporting piece comprises a supporting hole, the positioning shaft section is in sliding contact with the wall face limiting the supporting hole, or the positioning shaft section is in clearance fit with the wall face of the supporting hole, and the value of the clearance is smaller than or equal to 0.1 mm. According to the actuator, the risk that the potentiometer falls off due to lateral stress can be reduced, and the service life of the actuator is prolonged.

The utility model discloses a water pipe fitting with a hidden PPR (pentatricopeptide repeats) groove, which relates to the technical field of water pipe connection and comprises a PPR water pipe fitting body, a step structure is arranged inside a pipe connecting section of the PPR water pipe fitting body, and the step structure consists of a pipe fitting section A, a pipe fitting section B and a step surface for connecting the pipe fitting section A and the pipe fitting section B; an annular groove is formed in the step face and used for containing PPR hot melting excess materials generated during hot melting connection. The PPR pipe solves the problem that in the connecting process of an existing PPR pipe, hot melting excess materials are accumulated to form pipeline blocking points.

The utility model provides a pulp suction mold and a paper-plastic buffer part injection molding device. A slurry suction mold comprises a mold main body, and a forming groove is formed in the surface of the mold main body; the first slurry suction hole is formed in the top surface of the forming groove; the second slurry suction hole is formed in the side wall of the forming groove, and the second slurry suction hole is communicated with the first slurry suction hole. The second slurry suction holes are additionally formed in the side wall of the forming groove of the slurry suction mold, so that the side wall of the forming groove can share more pressure when the slurry suction mold sucks slurry in a slurry pool and the bottom of the slurry pool exhausts air, and more slurry can be gathered on the side wall of the forming groove to form a local reinforcing area; therefore, the subsequent finished paper-plastic buffer piece is ensured to meet the drop test.

This invention provides a high-efficiency hobbing cutter, belonging to the technical field of vertical shaft hobbing cutters. The high-efficiency hobbing cutter provided by this invention includes a hobbing cutter housing, a central shaft, a cutting edge, and several jacking cutter assemblies. The central shaft is rotatably disposed within the inner cavity of the hobbing cutter housing, and mounting heads are provided at both ends of the central shaft. The cutting edge is disposed on the outer circumferential surface of the hobbing cutter housing. Several jacking cutter assemblies are disposed on the outer circumferential surface of the hobbing cutter housing. Each jacking cutter assembly includes a jacking cutter cylinder, a jacking cutter head, and a jacking assembly. The jacking cutter cylinder is disposed on the outer circumferential surface of the hobbing cutter housing. The jacking cutter head is movably disposed within the jacking cutter cylinder, with its top end extending beyond the jacking cutter cylinder and higher than the cutting edge. The jacking assembly is disposed within the jacking cutter cylinder, providing jacking force to the jacking cutter head. In use, the jacking assembly provides impact force to the rock wall, causing the rock wall to begin to break, reducing the difficulty for the subsequent cutting edge to compress and shear the rock wall, thereby reducing the cutting edge breakage rate and improving drilling efficiency.

The application relates to a body positioning device for endoscopy operation and belongs to the technical field of medical detection equipment, which solves the technical problem of airway compression existing in the fixing device in the prior art. The body positioning device for endoscopy operation comprises a head-neck support pad, a jaw part frame, a shoulder support pad, a waist support pad, a leg support pad and an operation bed. Through the arrangement of the jaw part frame, the head of a patient can be adjusted to a suitable hyperextension position, the neck soft tissue is pulled apart, the front-to-back diameter of the airway is increased, the mandibular pressure is uniformly dispersed, the extrusion of the soft tissue on the airway is reduced, the incidence of airway compression in the gastroenteroscopy process is reduced, and the safety of the endoscopy is improved.

The utility model provides a bottom supporting plate and a battery, and relates to the technical field of batteries. The utility model provides a bottom supporting plate which comprises a supporting plate body and at least one air guide opening. An air guide groove is formed in the side, facing the anti-explosion valve, of the supporting plate body, and the anti-explosion valve is arranged opposite to the air guide groove. The at least one air guide opening is formed in the side wall of the supporting plate body and communicated with the air guide groove. Compared with a traditional flat sheet type bottom supporting plate, the air guide type bottom supporting plate with the design has the advantages that the original insulating property is achieved; the gas guide groove and the gas guide port can reduce the friction and extrusion of the bottom supporting plate to the explosion-proof valve, so that the potential safety hazards of failure of safety protection of the battery, even explosion and the like caused by the damage of the pressure relief function of the explosion-proof valve due to the friction and extrusion of the bottom supporting plate to the explosion-proof valve are avoided; the gas guide groove and the gas guide port can also form a fixed exhaust channel to guide the gas in the battery to the explosion-proof valve area, so that the gas in the battery is directionally guided to the explosion-proof valve area, and the pressure can be quickly released when the internal pressure of the battery reaches a threshold value.

The utility model discloses an air compressor waste heat recovery pipeline connecting structure, and relates to the field of air compressor accessories. According to the technical scheme, the air compressor waste heat recovery pipeline connecting structure comprises a pipe body, the left end of the pipe body is slidably connected with a first internal thread connecting cap, the right end of the pipe body is slidably connected with a second internal thread connecting cap, and a connector assembly is installed at the right end of the pipe body and comprises a first external thread ring; the first external thread ring is in threaded connection with the second internal thread connecting cap, the right side of the first external thread ring is fixedly connected with a connecting block, a sheath assembly is arranged outside the pipe body, and an inner cavity of the sheath assembly is matched with the outer contour of the connecting block and the outer contour of the second internal thread connecting cap. According to the scheme, the external sheath assembly is arranged, rigid limiting is formed outside the second internal thread connecting cap and the connecting block of the connector assembly, twisting between the second internal thread connecting cap and the connecting block is reduced, damage of internal and external threads to sealing materials is reduced, sealing performance and stability between connectors are guaranteed, waste heat medium loss is reduced, and waste heat recovery efficiency is improved.