48results about How to "Avoid stuck phenomenon" patented technology

This utility model relates to the field of cast iron pot mold technology and discloses a multi-temperature zone circulating preheating heating device for cast iron pot molds. It includes a base, with support columns symmetrically fixedly connected to the top of the base in all directions. A fixed seat is fixedly connected to the top of each of the four support columns. A pressing and heating mechanism is provided on the top of the base. Multi-temperature zone differentiated heating is achieved through a combination of an electromagnetic induction coil and an infrared radiation heating tube. The electromagnetic induction coil is arranged between the bottom of the lower mold base and the inner mold, using the principle of electromagnetic induction to rapidly heat the bottom of the mold, suitable for efficient heating of thick-walled parts of the cast iron pot mold. The infrared radiation heating tube is located between the lower mold base and the inner mold, above the heat insulation ring, and can uniformly radiate heat to the sidewalls of the mold. The combined effect of these two methods significantly shortens the preheating time compared to traditional single heating methods, while simultaneously meeting the temperature requirements of different parts of the mold, effectively improving production efficiency.

The utility model provides a pitched roof sleeve structure and a mold capable of automatically compensating installation angle and location degree machining errors, and relates to the technical field of molds, the pitched roof sleeve structure capable of automatically compensating installation angle and location degree machining errors comprises a pitched roof assembly and a pitched roof hole formed in a mold plate in a penetrating mode, the pitched roof assembly is arranged in the pitched roof hole; a compensation gap used for compensating installation angle and position degree machining errors is formed between the inclined ejection assembly and the inner wall of the inclined ejection hole. The mold comprises the inclined ejector sleeve structure capable of automatically compensating the installation angle and position degree machining errors. According to the utility model, through the pitched roof hole with the compensation gap, the installation angle and the location degree of the pitched roof assembly can be automatically compensated in the installation process of the pitched roof assembly, and the processing error of the pitched roof hole can be effectively compensated on the basis of ensuring the installation effect of the pitched roof assembly, so that the production and the processing are more convenient; and meanwhile, the phenomenon that the pitched roof is stuck due to insufficient machining precision of the pitched roof hole can be effectively avoided, and the ejection effect is ensured.

The utility model discloses a hydraulic shearing device adopting a hydraulic oil cylinder to push a connecting rod mechanism to achieve efficient closing, and relates to the technical field of hydraulic shears. The device comprises a connecting plate, the top of the connecting plate is fixedly connected with an oil cylinder, the bottom of the oil cylinder is fixedly connected with a piston rod, the bottom of the piston rod penetrates through the top of the connecting plate and extends to the bottom of the connecting plate, the bottom of the piston rod is fixedly connected with a connecting seat, and connecting shafts are arranged on the two sides of the surface of the connecting seat. And the surface of the connecting shaft is movably connected with a connecting joint. Through the innovatively designed connecting arm and connecting joint combined mechanism, the thrust of the oil cylinder is mechanically amplified, meanwhile, the angle ratio of the connecting rod is optimized, the blade can still keep 90% of effective shearing component force at the tail section of the stroke, the problem that the force at the tail section of a traditional direct-pushing type hydraulic shear is attenuated is solved, and the working efficiency is improved. And the shearing efficiency and the adaptability to high-strength materials are remarkably improved.

The present application relates to the technical field of shield switch structure, and discloses a shield automatic switch structure and processing equipment, the shield automatic switch structure includes beam assembly, first drive mechanism, telescopic shield assembly and support connecting mechanism. When the shield automatic switch structure is used, the support connecting mechanism is arranged on the second side of the telescopic shield assembly, the support connecting mechanism occupies small floor space, and is convenient to arrange; the support connecting mechanism has small stroke and occupies small floor space; when the telescopic shield assembly is closed, the second side of the telescopic shield assembly is first connected and fixed on the first fixed support through the support connecting mechanism; when the telescopic shield assembly needs to be opened, the support connecting mechanism is disconnected from the first fixed support, the first drive mechanism drives the telescopic shield assembly to move away from the outer protection component, which can effectively prevent the telescopic shield assembly from being stuck during opening and closing, thereby effectively reducing the failure rate of the equipment, improving production efficiency and maintenance cost.

The utility model discloses a self-balancing pulley block which is characterized in that the self-balancing pulley block comprises a pulley bearing main body and a pulley assembly, the side part of the pulley bearing main body is provided with a pulley groove and a bearing shaft, the pulley assembly is movably arranged in the pulley groove, and the pulley assembly is rotatably connected with the pulley bearing main body through the bearing shaft; a plurality of positioning wheels are arranged on the outer side of the pulley bearing body and used for making contact with the inner side wall of the guide rail groove, the pulley bearing body is guided to move along the guide rail groove, and the jamming phenomenon is avoided. Automatic height balance adjustment is achieved, and sliding is smooth under the condition that a guide rail is uneven; the positioning wheels can guide movement, blocking is avoided, the whole device is stable and reliable, assembling and disassembling are convenient, and running is smooth.

The utility model belongs to the field of children's car, provide a kind of adjusting structure and children's car for front and rear wheel spacing, including adjusting structure including unlocking block and stop piece, wherein: unlocking block is movably connected in rear wheel assembly, one end of unlocking block is connected to stop piece, and the other end is movably extended to rear wheel assembly outside;Stop piece has the stop block that can be switched between the unlocking position and locking position of vehicle-mounted frame, and the stop block is used to limit the spacing between rear wheel assembly and front wheel assembly.Compared with prior art, the utility model has the advantages that by setting exposed unlocking block on rear wheel assembly, user only needs to squeeze the unlocking block with single hand to realize locking and unlocking action, response is quick and does not need additional tool or complex operation, significantly improves adjusting efficiency and user experience, while cooperating with the elastic reset force under the action of driving stop block automatic insertion vehicle-mounted frame, realize automatic locking positioning, ensure the safety and reliability when vehicle is used.

The utility model discloses a driving system for a high-pressure hose roller, which comprises a vertically arranged driving motor, a speed reducer connected to the driving motor, a pinion connected to a horizontal output shaft of the speed reducer and a large gear ring meshed with the pinion, teeth are arranged on the inner ring of the large gear ring, and the periphery of the large gear ring is fixedly connected with the roller. A high-pressure hose is wound on the roller, an eccentric disc is further arranged on the speed reducer, the inner circle of the eccentric disc is connected to the speed reducer through a plurality of mounting holes in the periphery, and the outer circle of the eccentric disc is connected to the roller base through a plurality of mounting holes in the periphery. The center of the inner circle rotates around the center of the outer circle, so that the center distance between the small gear and the large gear ring is adjusted to be within a designed range to achieve normal meshing. By arranging the eccentric disc, the center distance of the gear set can be adjusted, the assembly precision is improved, the meshing smoothness of the gear set is ensured, and the service life of equipment is prolonged.

This utility model discloses a steering mechanism for an assembly line, comprising two horizontal conveyor belts and a placement plate. A steering mechanism is provided on one side of the horizontal conveyor belts, and the placement plate can move on the horizontal conveyor belts and the steering mechanism. The steering mechanism includes a worktable, a support frame, a mounting block, and ball bearings. This solves the problem that existing production assembly lines generally use two horizontal conveyor belts and one vertical transmission belt for steering, with placement plates for placing parts installed on the conveyor belts. The placement plates are sequentially passed to the workers via the conveyor belts. However, in this method, when one end of the placement plate enters the vertical transmission belt from the horizontal conveyor belt, it will simultaneously receive the movement forces from both transmission belts, which may cause the placement plate to jam, resulting in a lack of continuity in the assembly line.

This utility model discloses a waterproof and dustproof high-pressure safety valve for gas, including a housing, a guide seat, a valve, a filter assembly, and a valve seat. The housing has an inlet at its lower end and an outlet along its circumference. This structure adopts a bottom-in, side-out approach, with multiple outlets to improve exhaust efficiency. The guide seat and valve are located inside the housing, with the guide seat slidably connected to the inner wall of the housing. The valve seat is located at the lower end of the housing, with the upper end of the valve corresponding to the lower end of the guide seat. The valve and valve seat slide in contact, and the lower end of the valve corresponds to the flow channel of the valve seat. An exhaust chamber is located inside the housing, connected to the outlet along the circumference of the housing. An elastic sealing ring is provided on the inner wall of the exhaust chamber. Through optimized structural design and sealing performance, this valve solves the problems of leakage and jamming that may occur with traditional safety valves in special environments, improving safety and service life, and providing a guarantee for the long-term stable operation of industrial equipment.

The utility model discloses a cleaning system which sequentially comprises a deslagging mechanism, a cleaning mechanism, a spraying and flushing mechanism and a drying mechanism, the deslagging mechanism, the cleaning mechanism and the spraying and flushing mechanism penetrate through a first conveying belt, the first conveying belt is a tiled tooth-shaped conveying belt, and an upper pressing belt is arranged above the first conveying belt; a second conveying belt is arranged in the drying mechanism, the second conveying belt is a straight-tooth-shaped conveying belt, and tableware is inserted into the conveying belt in a vertical state to be dried; an included angle of 0-180 degrees is formed between the first conveying belt and the second conveying belt, and the first conveying belt and the second conveying belt are connected through a connecting sliding plate to achieve seamless conveying. According to the scheme, all the conveying belts are seamlessly connected, so that the phenomenon that existing cleaning equipment is stuck in the cleaning process is avoided, and the cleaning efficiency is improved.

The utility model discloses a kind of component feeders of SMT chip mounter, including support, transverse moving mechanism, slide, reel and vertical plate, taper jack is opened in slide, taper jack is coaxially arranged with the hole on reel, and the same plug-in sleeve is inserted, one end of plug-in sleeve is open, the other end is closed, the one end of closed state is slidably connected with cylinder, the utility model in the quick locking mechanism of plug-in sleeve, ball and tapered column composition is used, when installing reel, only need to insert plug-in sleeve into reel center hole and the taper jack of slide, under the action of first spring, tapered column will ball eject, clamping in taper jack, while ring is pressed reel, complete fixed, when disassembling, only need to press finger pressure block, make tapered column back off by overcoming the elasticity of first spring, ball can retract, to easily pull out plug-in sleeve and reel, this process does not need any tool, can be completed in several seconds, greatly improve the efficiency of replacement.

This invention belongs to the field of automated assembly and provides a double-sided tube insertion machine, including a frame, an assembly mechanism, a material transfer mechanism, a guiding mechanism, a pressing mechanism, a flipping mechanism, and a transposition mechanism. Compared with the prior art, the advantages of this invention are that the coordinated cooperation of the limiting block and the anti-detachment block ensures that multiple plugs arranged in an array are accurately and stably filled into the feeding channel, and improves the smoothness and orderliness of plug conveying. In addition, the design of the fixed guide wheel group and the moving guide wheel group not only provides stable guidance during insertion, but also allows the moving guide wheel group to move away from the fixed guide wheel group along the inclined direction, cleverly releasing the constraint force after the steel pipe is inserted into place, effectively avoiding the jamming phenomenon caused by excessive constraint force during steel pipe insertion, ensuring assembly quality and assembly smoothness, improving the smoothness and accuracy of steel pipe insertion into the assembly hole, and enabling the pallet to complete the flipping and position adjustment required for double-sided assembly without manual intervention.

This invention relates to the technical field of battery pack locking mechanisms, and specifically discloses a locking mechanism, battery structure, and electric transport vehicle. The locking mechanism includes a locking seat, a latch, a connecting rod, and an elastic element. The locking seat and latch are arranged on two symmetrical sides of the housing. The locking seat includes a base and a connector hinged to the base. The latch has a locking groove. The first end of the locking rod is connected to a first mounting hole in the middle area of ​​the connector through a clearance fit. The second end of the locking rod is configured to be able to insert into or disengage from the locking groove. The elastic element is sleeved on the first end of the locking rod to drive the locking rod to maintain its alignment with the first mounting hole. The clearance fit allows the second end of the locking rod to undergo lateral displacement perpendicular to the insertion direction, so that the locking rod can bypass the latch and enter or exit the locking groove, making the operation of the locking rod more convenient and reducing the fitting accuracy of the locking rod and locking groove, thus avoiding jamming due to dimensional errors.

The utility model discloses an anti-locking chain width adjusting assembly which comprises a shell frame, two rotating shafts which are symmetrically distributed in the longitudinal direction are rotationally connected between the left wall and the right wall of the shell frame through a first bearing, and the anti-locking chain width adjusting assembly further comprises a width adjusting assembly body. The width adjusting assembly comprises anti-falling wheels, bevel chamfers, chain wheels, a chain and a power assembly, the anti-falling wheels are slidably connected to the left end and the right end of the outer side of the rotating shaft respectively, the bevel chamfers are arranged at the left end and the right end of each anti-falling wheel, and the chain wheels are arranged in the middles of the anti-falling wheels. According to the anti-locking chain width adjusting assembly, width adjusting operation can be automatically conducted on a chain in a reflow soldering furnace according to requirements through the transmission element and the detection element, a worker does not need to use a measuring tool, meanwhile, in the chain width adjusting process of the device, meshing between a chain wheel and the chain is guided and limited through the guiding element, and the working efficiency is improved. And the phenomenon that the chain transmission is stuck due to horizontal dislocation and falling between the two is avoided.

This invention belongs to the field of hydraulic technology and provides a directional valve assembly and a working machine. The directional valve assembly includes a directional valve body and a directional control mechanism. The mechanism includes a housing seat, a locking strip, and a locking valve core. The housing seat has an axially extending locking working chamber. The locking valve core is axially movable and disposed in the locking working chamber, with one end docking with the main valve core. The peripheral wall of the locking valve core has a locking structure. The locking strip is axially limited and installed in the annular space between the locking valve core assembly and the cavity wall of the locking working chamber. A radial gap is left between the radially outer side of the locking strip and the cavity wall of the locking working chamber to allow the locking strip to float radially. The radially inner side of the locking strip has a locking groove. By axially moving the locking valve core, the locking structure can align and engage with the locking groove. The locking strip in this mechanism has an adaptive floating capability in the radial direction, which can compensate for the displacement deviation caused by the movement of the main valve core and avoid jamming or stuck phenomena.

The utility model discloses a steel plate high-precision synchronous feeding and shearing device which comprises a machine frame, a conveying mechanism and a shearing mechanism are arranged on the machine frame, the conveying mechanism comprises a feeding frame and a feeding frame, the feeding frame is arranged below the shearing mechanism, and conveying belts are arranged on the feeding frame and the feeding frame respectively. The end, away from the feeding frame, of the feeding frame is rotationally connected with the rack, a connecting base is further arranged at the other end of the feeding frame, guide grooves are formed in the two sides of the connecting base, the connecting base is in sliding fit with the two side walls of the feeding frame through the guide grooves, a displacement groove is formed in the rack, the connecting base is in sliding fit with the displacement groove through a guide protrusion, and a transition roller is rotationally arranged on the connecting base. The shearing mechanism comprises a driving air cylinder and a shearing knife, the shearing knife is arranged on the machine frame in a sliding mode in the height direction, an abutting block is arranged on the side wall of the shearing knife, and a transmission block is arranged on the machine frame and located between the abutting block and the guide protrusion. The feeding and shearing device is simple in structure, stable in feeding and shearing operation and good in using effect.

The utility model discloses a kind of stress rolling mill rolling line height fine adjustment mechanism, including lower support, the lower support top bottom is fixedly connected with rolling line adjusting mechanism, lower support inner wall both sides are rotatably connected with lower roll, lower support top is fixedly connected with guide column, guide column outer wall is slidably connected with upper support, upper support inner wall both sides are rotatably connected with upper roll, lower support one side is fixedly connected with support seat, support seat top is fixedly connected with roll gap adjusting mechanism, and upper wedge block is fixedly connected in lower support bottom, connecting seat is fixedly connected in the top of upper wedge block by connecting plate, motor one is rotatably connected in the inner wall both sides of connecting seat, arc pad is rotatably connected in one side of upper wedge block, lower wedge block is slidably connected in the bottom of upper wedge block, screw one is connected in the inner wall of arc pad by thread.The utility model can adjust gap alone to increase the versatility of equipment, and adjusting rolling line can be more accurate.

This utility model discloses a handle lifting and conveying device, including a servo motor and a linear motor. A rotating plate is fixed to the top output shaft of the servo motor. Several limiting devices are equidistantly arranged on the top of the rotating plate. Each limiting device includes at least two limiting rods vertically fixed to the top of the rotating plate. A rotating cylinder is fixed to the drive end of the linear motor, and a lifting plate pointing towards the limiting devices is fixed to the rotating end of the rotating cylinder. Compared to existing technologies, the limiting devices of this utility model allow handles to be positioned around the device, ensuring neat stacking. The linear motor drives the handles upward via the lifting plate, and the distance the linear motor moves the lifting plate upward each time is equal to the height of the handle. Therefore, handles located around the limiting devices can be sequentially lifted to the desired gripping height, achieving automatic handle lifting.

The embodiment of the present disclosure provides a detachable drop-type lightning arrester, which comprises a lightning arrester pipe, a base, a connecting rod, a spring reset device and a limiting ring, wherein the lightning arrester pipe is connected with the base through threads; the connecting rod is fixed on the base; the spring reset device is arranged on the top of the connecting rod, wherein the spring reset device comprises an anti-deviation guide hole structure, a plurality of guide protrusions are arranged in the anti-deviation guide hole structure, and the plurality of guide protrusions are uniformly distributed on the inner wall of the anti-deviation guide hole structure; the spring reset device comprises a spring with a smooth plating layer; the spring reset device comprises a self-lubricating bushing to avoid the jamming phenomenon, the self-lubricating bushing is of a segmented structure and is provided with an elastic buckle; and the limiting ring is installed outside the spring reset device and is used for limiting a drop stroke. Through the scheme of the embodiment of the present disclosure, the jamming probability can be reduced.

This utility model discloses a spring-type mechanical force gauge, comprising a cylindrical body, a guide post, and a linear bearing. The upper end of the cylindrical body is provided with an upper cap, and the lower end with a lower cap. The guide post is mounted inside the cylindrical body via the linear bearing, with its upper end passing through the upper cap and extending to the outside of the cylindrical body. An upper lifting ring is provided at the upper end of the guide post, and a lower lifting ring is provided on the lower cap, penetrating the lower cap. The lower lifting ring is connected to the guide post located inside the cylindrical body. A compression spring is provided inside the cylindrical body, and the compression spring is sleeved on the guide post. Using the mechanical force gauge described in this utility model, one end of the cylindrical body is connected to the rotating safety hook of the wing mooring cable, and the other end is connected to the ground ring, thus securing an aircraft parked on the ground and meeting usage requirements. Its overall structure is simple, operation and use are convenient, greatly improving work efficiency. It is highly practical and suitable for widespread application.

The utility model provides a lacing mechanism and wearable equipment and relates to the technical field of wearable equipment, the lacing mechanism provided by the utility model comprises a driving assembly, a sun gear, a planetary gear, a fixed inner gear ring, a movable inner gear ring and a wire spool, the number of teeth of the fixed inner gear ring is different from that of teeth of the movable inner gear ring, the position of the fixed inner gear ring is fixed, and the movable inner gear ring can rotate around the axis of the movable inner gear ring. The driving assembly is in transmission connection with the sun gear, the sun gear is meshed with the planetary gear, the planetary gear is meshed with the fixed inner gear ring and the movable inner gear ring, and the movable inner gear ring is in transmission connection with the wire spool. According to the lacing mechanism provided by the utility model, the technical problem that the rope belt is stuck in the wire spool due to the fact that the rope belt transmits the acting force to the driving piece through the transmission structure when the rope belt is wound too tightly in the prior art is solved.

The utility model relates to the technical field of plastic processing equipment discloses a lengthened double -cylinder synchronous lifting blister platform, including support platform, the inside surface fixed connection of support platform has the positioning board, the bottom fixed connection of positioning board has the cylinder, the top fixed connection of cylinder has the workstation, the bottom of workstation is provided with the synchronous mechanism, the synchronous mechanism includes the fixed column of fixed connection in the workstation bottom, the bottom of workstation is provided with dustproof component, and the front of workstation is provided with fixed component. In the utility model, the motor drive rotating shaft drives both sides gear synchronous rotation, passes through the meshing transmission with the rack, promotes the workstation steady lift, effectively guarantees two groups of cylinder synchronous operation, this not only avoided the platform jamming phenomenon because of cylinder asynchronization, improved the stability of equipment operation, also ensured the continuity and reliability of working process, promoted production efficiency.

This invention discloses a composite impact-driven drilling tool, belonging to the field of oil and gas drilling technology. Addressing the problems of poor tool adaptability and asynchronous impact and reversing in existing technologies, this invention proposes a quantitative design method based on the fluid-structure interaction coefficient. The tool's actuating valve assembly includes a coaxially nested inner sleeve and a reversing valve, controlling fluid flow direction through a distribution structure. This invention defines the coupling coefficient between the geometric parameters of the reversing valve and the hydrodynamic parameters. This coefficient is jointly determined by the circumferential impact torque, reversing rotation angle, drilling fluid discharge rate, nozzle pressure drop, and the equivalent hydraulic diameter of the reversing valve, and is controlled within a specific preset range. Through the above quantitative design, the inverse relationship between the reversing angle and the discharge rate is forcibly constrained, achieving efficient synchronization of impact and reversing across the entire discharge range, effectively solving the problems of "idling" or "jamming," and significantly improving rock-breaking efficiency.

This invention discloses an inspection device for overhead cables, comprising: a flight body equipped with an obstacle avoidance camera and a sub-controller; an inspection structure mounted on the flight body, the inspection structure including an inspection camera and an inspection drive assembly connected to the inspection camera to drive the inspection camera to rotate around the cable for imaging; and a marking structure mounted on the flight body, the marking structure including a marking component and a marking drive assembly connected to the marking component, the marking component marking the cable circumferentially; the obstacle avoidance camera, inspection camera, inspection drive assembly, marking component, and marking drive assembly are each connected to the sub-controller. This invention uses an obstacle avoidance camera to identify obstacles, uses the inspection drive assembly to control the rotation of the inspection camera for comprehensive imaging of the cable, and uses the marking component to mark the cable circumferentially, making the markings easier for maintenance personnel below to see.

This utility model discloses a molding machine for producing antistatic bottles, including a molding shell. A rear mold is provided at the upper front end of the molding shell, and a front mold is installed at the front end of the rear mold. Two blow molding heads are installed at the upper end of the molding shell, and the blow molding heads are installed in conjunction with the rear mold and the front mold. It also includes a feeding mechanism. The feeding mechanism includes an arc-shaped groove, an inner cavity, a telescopic column, a spring, and a feeding seat. The inner cavities are respectively opened in the middle of the rear mold and the front mold. An arc-shaped groove is opened in the middle of the cavity of the rear mold and the front mold. The arc-shaped groove is connected to the adjacent inner cavity. The left and right ends of the two inner cavities away from the wall are provided with feeding seats through the telescopic column and spring distributed by HDPE bottles. This molding machine for producing antistatic bottles can automatically squeeze and feed HDPE bottles in the mold cavities of the two blow molding molds simultaneously through the transmission element and the spring compression and reset force, avoiding the phenomenon of HDPE bottle feeding jamming in the mold blow molding cavity.

The utility model relates to the technical field of valve rod nuts, and discloses a valve rod nut convenient to lubricate, which comprises an upper nut body, a lower nut body is arranged at the bottom end of the upper nut body, threaded sleeves are arranged on the inner walls of the upper nut body and the lower nut body, and oil storage cavities are formed in the inner walls of the threaded sleeves. An oil outlet hole is formed in the end, opposite to the inner side of the oil storage cavity, of the threaded sleeve, connecting cylinders are fixedly connected to the left and right ends of the threaded sleeve, and pressing plates are slidably connected to the inner walls of the connecting cylinders. According to the utility model, by pressing the pressing block, the inner cavity of the hollow connecting pipe can squeeze lubricating oil on the inner wall of the connecting cylinder into the oil outlet through the oil storage cavity, and the lubricating oil is smeared on the inner wall of the threaded sleeve through the oil outlet, so that the valve rod is lubricated, the friction between the valve rod and the threaded sleeve is reduced, and the rotation flexibility of the valve rod is improved; the phenomenon of unsmooth rotation or jamming caused by increased friction between the valve rod nut and the valve rod is avoided, and the service life of the valve is prolonged.

The utility model relates to low -voltage electrical parts technical field, concretely relates to a low -voltage distribution cabinet drawer mobile wiring plug structure, including the casing, be equipped with three with static insert piece cooperation and realize the power conduction movable insert piece in the casing, movable insert piece includes the plug -in connector casing, T type copper row and two L type plug -in connectors, two L type plug -in connectors mirror image symmetry installs in the plug -in connector casing, and the middle part of plug -in connector is connected with plug -in connector casing rotation, and the front end of plug -in connector is provided with the plug -in groove, and the middle part of plug -in groove is provided with the long and narrow groove that communicates with plug -in groove, the plug -in connector is equipped with the snap spring spare on, and T type copper row is located between two plug -in connectors, the utility model discloses through the plug -in connector and plug -in connector casing through the bolt rotation connection, can realize the small amplitude angle swing, in the drawer advance or pull -out process, and plug -in connector can through the rotation of self -adaptation adjustment and butt -joint angle, avoid the jamming phenomenon, reduce the risk of component damage, guarantee the stability of circuit on -off.

The utility model belongs to the technical field of nail shooting tools, and particularly relates to a cartridge holder of a nail shooting tool, which comprises a nail feeding device connected with the cartridge holder in a sliding mode, a nail groove is arranged in the cartridge holder, a nail shooting connecting assembly is connected outside the cartridge holder, and a dust cover is connected with the nail shooting connecting assembly in a sliding mode. The nail groove is used for installing nails, the two ends of an open groove of the nail groove are provided with tilting table openings used for lifting the anti-tilting step, and the bottom wall of the nail groove is provided with a guide groove matched with the guide plate. The nail shooting tool is used for preventing dust from entering the cartridge holder, the phenomenon that a nail in the cartridge holder is clamped due to the dust is avoided, the use safety of the nail shooting tool is effectively improved, and the service life of the nail shooting tool is effectively prolonged.