51results about How to "Improve locking force" patented technology

The invention relates to the related technical field of transformers, in particular to a distribution line alternating current ice melting expansion type voltage regulating device which comprises a transformer, a cooling mechanism is arranged on the surface of one side of the transformer, a fixing mechanism is arranged on the upper surface of the transformer, and a protection mechanism is arranged on the upper surface of the transformer. And a high-voltage terminal is fixedly mounted on the upper surface of the transformer. According to the alternating current ice melting expansion type voltage regulating device for the power distribution line, the corrugated radiator is made of a special material and has excellent heat dissipation performance, and heat dissipation holes in the surface of the corrugated radiator enable air circulation to be smoother, so that heat dissipation efficiency is improved; cooling liquid in the water tank is circularly conveyed to the corrugated radiator through the cooling pipe, heat is absorbed and taken away through flowing of the cooling liquid, then the heat flows back to the water tank through the water conveying pipe for cooling circulation, and a complete heat dissipation system is formed.

The invention provides a mechanical arm joint and a universal arm, the mechanical arm joint comprises a shell, a connecting rod and a locking assembly, a first connecting piece and a second connecting piece which are arranged on the shell are rotatably connected, the locking assembly and the connecting rod are located in a cavity in the shell, the locking assembly comprises a top block and a tooth block, the top block is connected with the tooth block, and the tooth block is connected with the connecting rod. The ejector block is connected with the connecting rod, and the locking assembly has a locking state and an unlocking state. The mechanical arm joint is locked and unlocked through the locking assembly, high locking force is achieved, and the problem that a robot system is unstable due to accidental movement of the supporting arm is solved; all the joints are connected through the steering assemblies, locking and unlocking of all the joints of the universal arm can be controlled through one-time operation, and operation is easy, convenient and flexible; and the universal arm is provided with a more compatible fixed interface and can bear a heavier load.

The application relates to a foot end structure, a supporting leg assembly and a robot, and the foot end structure comprises a foot end part, a foot bottom buffer, a fastening assembly and a supporting part. The application is characterized in that a second accommodating space is arranged in the foot bottom buffer, at least part of the side wall of the second accommodating space forms a foot bottom connecting part, a supporting part is arranged in the second accommodating space, the supporting part is arranged opposite to the foot bottom connecting part, and the supporting part is connected with the other side of the abutting part. In this way, the abutting part can be limited to move in the second accommodating space, so that the problem of low assembly efficiency caused by the movement of the first fastening part in the process of fixing connection of the second fastening part and the first fastening part can be avoided or improved, and the connecting strength between the foot bottom connecting part and the locking part is improved. In addition, the foot bottom connecting part is clamped and fixed between the locking part and the abutting part of the rigid structure, so that the locking force is further improved, and the problem of falling off of the foot bottom buffer is improved or avoided.

The application discloses a pile driver intelligent guiding device arranged on the surface of a machine body and comprising a vertical guiding mechanism, the vertical guiding mechanism comprising a frame rod fixedly connected with the machine body, a fixed plate fixedly installed at the end of the frame rod, and a universal joint arranged on the top surface of the fixed plate. The pile driver intelligent guiding device is connected with the fixed plate through the universal joint, and a sliding cylinder-screw rod driving structure is combined to adjust the pitch angle of a laser instrument in real time. When the sliding cylinder slides along the fixed cylinder, the fixed plate is pushed to rotate around the universal joint as the fulcrum, so that the laser line emitted by the laser instrument is always perpendicular to the ground, the high-precision guiding requirement of the vertical implantation of a steel sheet pile is met, the inner wall of the sliding cylinder is provided with an embedded nut and is threadedly connected with a screw rod, the end of the screw rod is limited from being separated from the sliding cylinder through a stop ring, the threaded connection is prevented from being invalid due to vibration or impact, the surface groove of the sliding cylinder is matched with the inner wall protrusion of the fixed cylinder to prevent the rotation of the sliding cylinder and ensure that the sliding direction is always along the axial direction, and the structural reliability is improved.

The utility model discloses a fire detection tube type temperature-sensing self-starting fire extinguishing device which comprises a tube body, sleeves used for shrinking towards the axial lead direction are arranged on the outer walls of the two ends of the tube body in a sleeved mode, sealing valve bodies are arranged at the two ends of the tube body, and the sleeves are tightly pressed on the end faces of the tube body. A plurality of convex hulls at equal intervals are evenly distributed on the inner wall of the sleeve with a circle point as the axis and abut against the outer wall of the pipe body, a protective cover is arranged on the outer wall of the sealing valve body, and the sealing valve body is further provided with detachable installation pieces embedded into the two sides of the protective cover. A plurality of convex hulls are embedded in the inner wall of the pipe body, so that the friction force and the locking force between the sleeve and the pipe body are effectively enhanced, the connection looseness caused by factors such as oxidation and humidity is prevented, and the fire extinguishing agent is effectively prevented from leaking; through the design of the detachable mounting piece, screw fixing or magnetic attraction mounting is supported, and practicability and convenience are achieved; in addition, the protective cover also plays a role in increasing the creepage distance and preventing fire.

The invention provides a mechanical arm which comprises joints and at least two supporting arms, the joints are connected to the supporting arms, and the joints comprise the first joint and the second joint. The first joint and the second joint have high locking force, the phenomenon that the mechanical arm is accidentally unlocked due to insufficient locking force is avoided, the stability of the mechanical arm is guaranteed, and when the mechanical arm is used for a navigation operation of a surgical robot, the operation safety is guaranteed; locking and unlocking of the first joint and the second joint are not affected by each other and can be adjusted according to actual conditions, and operation is easy and convenient; the mechanical arm can bear heavier loads.

The utility model relates to the technical field of venous indwelling needles, in particular to an improved connection anti-falling structure for a venous indwelling needle. Comprising a needle head, a needle holding handle installed at the tail end of the needle head, a protective sleeve arranged at the head end of the needle head in a sleeving mode, a conical connector arranged at the tail end of the needle head, a heparin cap installed at the tail end of the conical connector in a screwed mode and a liquid inlet pipe communicated with the side end of the conical connector and obliquely distributed. The infusion hose is communicated between the needle head and the conical joint; and the flow stopping clip is sleeved outside the infusion hose. According to the venous indwelling needle, a conical joint part on an original venous indwelling needle is scientifically and reasonably improved, and the guide block, the limiting sliding sleeve, the elastic clamping piece, the elastic rubber ring and the guide groove are arranged on the liquid inlet pipe, so that an external infusion turncap screwed into the liquid inlet pipe can be subjected to damping and anti-falling treatment after being screwed; and the problem that the external infusion turncap is opened by mistake due to external force is effectively reduced, so that the safety of using the venous indwelling needle for intravenous infusion is improved.

The utility model relates to a tool box system. The tool box system comprises a first tool box and a second tool box, wherein the first tool box and the second tool box are stacked in the longitudinal direction. The first tool box comprises a first base and a first upper cover which are hinged, the first upper cover is provided with a first locking piece, the first base is provided with a first latch, and the first upper cover further comprises a first containing part. The second tool box comprises a second base and a second upper cover which are hinged to each other, and the second base is provided with a second locking piece. When the second tool box is stacked to the first tool box, the second locking piece of the second tool box is placed in the first containing part of the first tool box, and the first latch of the first tool box can be connected with the first locking piece of the first upper cover and the second locking piece of the second base at the same time so that self-locking of the first tool box can be achieved at the same time. And the first tool box and the second tool box are mutually locked.

This utility model discloses a scratch-resistant dining table, including a tabletop, a height adjustment mechanism, a mounting and locking mechanism, and a locking auxiliary mechanism. The height adjustment mechanism includes an anti-scratch plate, a bottom support plate, a top support plate, a hinge frame, and a hydraulic cylinder. The mounting and locking mechanism includes a locking tube, a locking rod, an annular groove, an embedded plate, a turntable, and a driving plate. The height adjustment mechanism improves the wear resistance and service life of the tabletop by setting an anti-scratch plate on the top of the tabletop. The use of paired hinge frames and hydraulic cylinders ensures smooth and stable lifting. The locking rod and locking tube can be quickly inserted. The embedded plate and the annular groove complete stable locking, improving assembly efficiency. The spring support pin provides continuous pushing force to the rotating ring, making the rotation of the plate more stable and reliable. The clamping ring clamps the driving plate through a threaded adjustment method to prevent rotational loosening and improve the overall locking force of the connection.

The utility model provides medical equipment which comprises a socket, an equipment body and a locking fastener, the socket is used for being connected with a cable plug of a lead wire, an installation sliding groove is formed in the equipment body, and the cable plug is connected to the equipment body in a pluggable mode. The lock catch piece is movably installed in the installation sliding groove and provided with a limiting hole, and at least part of the cable plug is contained in the limiting hole when the cable plug is connected with the equipment body. The locking piece can move relative to the equipment body to abut against and buckle the cable plug or release the cable plug. The lock catch piece is installed in the equipment body, the cable plug can be correspondingly and fixedly clamped in the lock catch piece, and the cable plug can be released by further controlling the lock catch piece. The locking force between the cable plug and the equipment main body can be enhanced through matched clamping of the cable plug and the locking fastener, the cable plug is prevented from falling off, the connection reliability of the cable plug is ensured, the cable plug is locked or released through the locking fastener, and operation is simple, convenient and rapid.

A box body is provided with a handle, the interior of the box body is a heat preservation box body, the top of the box body is provided with a box cover, and the front face of the box body is provided with a locking fastener. A fixing plate of the locking fastener is fixed on the box body through screws, a groove is formed in the top of a clamping protruding piece of the box cover, a limiting groove is formed in the bottom of the clamping protruding piece, a step piece is arranged at the top of the fixing plate in an extending mode, a locking piece and an auxiliary lock are arranged on the step piece, and the limiting groove of the clamping protruding piece is embedded with the limiting groove of the fixing plate after the box cover is closed. And the top of the locking plate is embedded in the groove of the clamping convex piece and is fixed by the secondary lock. By adopting the structure of the locking plate and the auxiliary lock and a double-locking mode, the locking capacity of the heat preservation box is enhanced, the box body is prevented from being opened due to bumping, the sealing performance of the box body is enhanced by arranging the sealing groove in the box cover and arranging the convex step on the box body, and water can be prevented from being accumulated in the sealing groove due to the adoption of an inverted installation mode; the sealing device has the advantages of being high in locking capacity and good in sealing performance.

The invention provides a mechanical arm which comprises a joint and at least two supporting arms, the at least two supporting arms are connected through the joint, and the joint comprises a first joint and a second joint. According to the mechanical arm, the first joint is locked and unlocked through the locking assembly, the second joint is locked through meshing connection of the first fluted disc and the second fluted disc, the first joint and the second joint both have high locking force, the phenomenon that the mechanical arm is accidentally unlocked due to insufficient locking force is avoided, the stability of the mechanical arm is guaranteed, and the mechanical arm is convenient to use. The stability of the mechanical arm is guaranteed, and when the mechanical arm is used for a navigation operation of a surgical robot, the operation safety is guaranteed.

This utility model relates to the field of electric bicycles, and provides an electric bicycle including a bicycle frame and a hydrogen energy assist component. The hydrogen energy assist component includes a hub motor, a fuel cell stack, and a hydrogen storage tank connected to the fuel cell stack via a pipe. The bicycle frame includes a seat tube, a down tube, and a rear fork. The hub motor is mounted on the rear fork at the position corresponding to the rear wheel, and the hub motor drives the rear wheel to rotate. The fuel cell stack is mounted on the seat tube and is electrically connected to the hub motor. The down tube has a mounting chamber for mounting the hydrogen storage tank. The mounting chamber is equipped with a spring-loaded clamping component and a locking component. The spring-loaded clamping component clamps the tail end of the hydrogen storage tank, and the locking component secures the bottleneck of the hydrogen storage tank. This utility model's electric bicycle achieves stable installation of the hydrogen storage tank and convenient replacement of the hydrogen storage tank.

A hinge cup for metal hinges includes a panel and a recessed pocket portion located in the middle of the panel. A hinge seat for hinged connection with the hinge body is provided on one side of the panel and pocket. Several outwardly protruding anti-detachment devices are integrally formed on the outer cylindrical surface of the pocket, serving to engage with the inner wall of the mounting holes after the hinge cup is installed into the plate. The beneficial effects of this invention are: the anti-detachment devices effectively resist external axial pull-out forces and radial wobbling, directly enhancing the bonding force between the hinge cup and the plate, fundamentally improving the anti-detachment performance of the hinge cup, and significantly enhancing the locking force.

The oil cylinder comprises a cylinder body and a piston rod, a cylinder base is arranged at the bottom of an inner cavity of the cylinder body, a rotation stopping shaft is installed in the middle of an inner cavity of the cylinder base, the end, away from the cylinder base, of the rotation stopping shaft extends into the cylinder body, and a disc spring is arranged at the position, surrounding the outer portion of the rotation stopping shaft, of the inner cavity of the cylinder base. A brake piston is arranged below the disc spring, the brake piston is installed in an inner cavity of the cylinder base in a sliding mode and surrounds the outer portion of the rotation stopping shaft, a bearing base is installed on the side, located on the cylinder base, of the inner cavity of the cylinder body, and a lead screw is rotationally installed in the middle of the bearing base. According to the oil cylinder, the piston rod can be locked at any position in the oil cylinder in a mechanical locking mode, work of the oil cylinder is stopped, the locking force borne by the piston rod is improved, the piston rod stops at the fixed position for a long time to support driving equipment, the stability of the locked piston rod is guaranteed, and the service life of the piston rod is prolonged. And the stability and the safety of the oil cylinder are improved.

The utility model provides a push-pull type quick plugging connector and a connector assembly, which comprise a socket device and a connector, a lock can be locked through a lock catch elastic sheet, namely, the position of the lock catch elastic sheet is positioned through a retaining part, a reset part provides elastic force for the elastic reciprocating of the lock catch elastic sheet, and a lock catch part is separably clamped with the lock, so that the lock catch elastic sheet can be locked. After the external force is released, the unlocking cover body is driven to reset through the elastic restoring force of the pre-tightening part, so that a user can conveniently push and pull the unlocking cover body so as to realize quick plugging, the unlocking cover body is automatically reset after the external force of the unlocking cover body is released, and the unlocking cover body is arranged on the two sides in the length direction through the lock catch elastic pieces and is covered by the unlocking cover body. Therefore, a plurality of connectors can be tightly arranged along the width direction perpendicular to the length direction, and after the connectors are tightly arranged, the unlocking cover body can be conveniently pulled to realize unlocking.

The utility model belongs to the technical field of nuts, and provides a hexagonal flange automatic locking nut which comprises a hexagonal nut head, a nut rod is fixedly connected to one side of the hexagonal nut head, threads are arranged on the nut rod, the threads penetrate through the threads to be connected with a hexagonal nut, an arc head is arranged at the end, away from the threads, of the nut rod, and the arc head is connected with the hexagonal nut. The hexagonal nut head is slidably connected with a pressing rod in a penetrating mode, the pressing rod is slidably connected into the nut rod in a penetrating mode, pushing rods are fixedly connected to the two sides of the end, away from the hexagonal nut head, of the pressing rod, and connecting rods are fixedly connected to the ends, close to the pushing rods, of the pressing rod. According to the hexagonal flange automatic locking nut, when the hexagonal flange automatic locking nut is tightened, the locking mechanism in the hexagonal flange automatic locking nut can still keep a stable locking state in a vibration environment, the hexagonal flange automatic locking nut is particularly important for equipment working under high-frequency vibration or impact load, the hexagonal flange automatic locking nut has excellent anti-vibration performance, higher locking force is achieved, and the hexagonal flange automatic locking nut is suitable for being used in a large-scale production line. Therefore, the nut can be more tightly attached to the threads after being tightened, and looseness is effectively prevented.

This utility model relates to the field of couplings, specifically to a locking coupling, including a main shaft sleeve, a main body for coupling rotation, a groove formed inside the main shaft sleeve to improve stability, and a spline embedded inside the groove. An inner abutment block is fixedly installed on the outside of the spline, a shaft sleeve is fixedly installed on one side of the outer side of the inner abutment block, and a self-locking block is fixedly installed on the other side of the outer side of the inner abutment block. This utility model is provided with an inner abutment block, a self-locking block, a self-locking groove, a connecting through groove, a self-inserting block, a locking buckle, a driven shaft sleeve, and a locking head. When using this locking coupling, the driving shaft and driven shaft are respectively installed on the shaft sleeves, and then the self-inserting block passes through the connecting through groove and abuts against the self-locking groove of the self-locking block, thereby fixing the self-locking block in the position of the main shaft sleeve and the driven shaft sleeve. Then, when the main shaft sleeve and the driven shaft sleeve are mated, it is only necessary to align the locking rack of the locking head with the locking buckle.

The utility model relates to a fermented sausage casing removing device which comprises a shell, a transverse pipe is fixed to the right end of the shell, an inflation pipe is arranged on the left end face of the shell, an inflation needle head is fixed to the right end of the inflation pipe, the right end of the inflation needle head is a sharp end, and a plurality of inflation holes are evenly formed in the outer edge face of the inflation needle head. A blind hole is formed in the end, close to the inflation needle head, of each vertical rod, a sliding rod capable of sliding up and down is arranged in each blind hole, an arc-shaped rubber plate is fixed to the lower end of each sliding rod, and when the sliding rods move towards the inflation needle head, the rubber plates can make contact with the outer edge face of the inflation needle head. The front and rear ends of the rubber plate can be attached to the outer edge surface of the inflation needle after continuous movement; the rubber plates are respectively arranged on the upper side and the lower side of the inflation needle head, so that the front end and the rear end of the inflation needle head can be bent inwards under the supporting force of the connecting rod after the inflation needle head is in contact with the outer edge surface of a sausage and wrap the outer edge surface of the sausage, the left end of the sausage is effectively blocked, and the inflation efficiency is greatly improved.

The utility model relates to the technical field of diesel pile hammers, and discloses a reinforced cooling water jacket for a diesel pile hammer, which comprises a water jacket main body, the water jacket main body is fixedly connected with a lower cylinder body through a plurality of fixing bolts, and a reinforcing component is arranged between the water jacket main body and the lower cylinder body. The reinforcing assembly comprises a plurality of reinforcing connecting blocks and a plurality of reinforcing protruding blocks, the reinforcing connecting blocks are fixedly connected with the lower air cylinder body, the reinforcing protruding blocks are fixedly connected with the water jacket body, and the two sides of each reinforcing protruding block are each provided with a first springback groove and a second locking groove. According to the water jacket, extra bearing force can be provided for the water jacket body through the reinforcing assembly, partial impact can be shared, the service life of the water jacket body can be prolonged, the impact resistance of the water jacket is improved through the separating assembly, meanwhile, the water jacket body can be detached, and maintenance and use are convenient.

The utility model discloses an anti-loosening nut with a locking structure, which comprises a hexagonal nut, an internal thread groove is arranged in the hexagonal nut, an anti-loosening ring is connected with the inner wall of the hexagonal nut in an embedded manner, a groove cavity is fixedly connected with the bottom of the hexagonal nut, a nylon piece is movably connected with the inside of the groove cavity, and the nylon piece is fixedly connected with the inner wall of the hexagonal nut. A mounting groove is formed in the outer wall of the hexagonal nut, an open hole is formed in the outer wall of the hexagonal nut, and a locking assembly is mounted at the notch position of the mounting groove. According to the anti-loosening nut with the locking structure, multiple anti-loosening structures such as the anti-loosening ring, the nylon piece and the locking assembly are arranged, the design of the locking assembly is in accordance with the conciseness and easiness in use, the core structure of the locking assembly comprises the sliding rod, the reset spring and the self-locking block, when the nut needs to be locked, the sliding rod is pushed, and the self-locking block is pushed to lock the nut. And under the action of elastic potential energy of the reset spring, the self-locking block quickly pops up and is clamped into a specific position.

The embodiment of the invention provides a vehicle-mounted support and a vehicle, and relates to the technical field of accessories for vehicles. The vehicle-mounted support comprises a lock hook assembly which comprises a plurality of lock hooks, the lock hooks are used for being inserted into the lock grooves and matched with the opening edges of the lock grooves in a hooking mode, and the lock hooks can be far away from each other or close to each other; the locking sliding block can move in the first direction, and the locking sliding block is in transmission fit with the lock hook assembly so as to drive the multiple lock hooks to be away from or close to one another; and the locking wrench is rotatably connected with the locking sliding block, and the locking wrench can drive the locking sliding block to move when rotating relative to the locking sliding block. According to the vehicle-mounted support and the vehicle, the locking area between the vehicle-mounted support and the vehicle is increased, and the locking stability is improved.

The step nut with the locking structure comprises a nut body, the nut body comprises a first nut body and a second nut body, a deformation groove is formed in the side face of the first nut body, a protruding extrusion portion is arranged on one end face of the first nut body, and the extrusion portion and the deformation groove are correspondingly arranged. After the first nut is screwed, the extrusion portion is extruded to deform towards the interior of the deformation groove, so that the first nut and the thread teeth of the bolt tend to be staggered, locking force is formed, the locking capacity of the nut is improved, the structure is simple, and the manufacturing cost is low.

This invention discloses a gimbal device, comprising: a base, the base having an upward-opening movable cavity, a rotatable spherical shell rotatably disposed within the movable cavity, a connecting rod extending along the opening of the movable cavity connected to the spherical shell, the edge of the opening of the movable cavity preventing the spherical shell from detaching from the movable cavity, a lower support portion inside the base that can contact the inner surface of the spherical shell, and a pushing member on the base, the pushing member abutting against the inner surface of the spherical shell to make the edge of the opening of the movable cavity contact the outer surface of the spherical shell and to drive the spherical shell to be clamped between the edge of the opening of the movable cavity and the lower support portion. In this gimbal device, the pushing member abuts against the inner surface of the spherical shell, causing the outer surface of the spherical shell to fit tightly against the edge of the opening of the movable cavity. Simultaneously, the spherical shell deforms under force to clamp the lower support portion with its inner surface, thereby increasing the locking force of the gimbal device. Furthermore, using a spherical shell instead of a solid sphere helps reduce material costs.

The application discloses a connecting node with a rope locking function for ocean exploration, and relates to the technical field of ocean exploration devices.The connecting node with the rope locking function for the ocean exploration comprises a mounting shell, a node groove is arranged in the mounting shell, and a node body for ocean exploration is arranged in the node groove; and a clamping mechanism is arranged on the mounting shell, wherein the clamping mechanism comprises a clamping block fixedly connected to the top of the mounting shell, and the clamping block and the top of the mounting shell form a clamping groove with an open side face.The application provides the connecting node with the rope locking function for the ocean exploration, wherein the clamping mechanism is automatically reset and locked by a torsional spring driving clamping block, and a limiting spring pushes a limiting block to tightly abut against the side face, so that the rope can be locked after being embedded in the clamping groove without manual fastening operation.Compared with a traditional manual ring hanging and bolt fastening connection mode which is time-consuming and laborious, the connecting node with the rope locking function for the ocean exploration can shorten the connection time of a single node body and the rope and improve the deployment efficiency of the node body.

The utility model discloses a short body connector, which comprises a metal shell, an insulating rubber core and a plurality of terminals, the insulating rubber core comprises an insulating base and a lingual plate, the metal shell is fixedly connected with the insulating base positioned at the tail part of the metal shell, the lingual plate is positioned inside the metal shell, and the terminals are arranged in terminal mounting grooves arranged on the lingual plate. According to the utility model, the length from the tail part of the insulating base to the head part of the metal shell is 8-10mm, so that the overall length of the connector is greatly shortened, the metal shell adopts a reverse elastic sheet design, and the free end of the reverse elastic sheet faces the tail part of the metal shell; therefore, a good locking force between the reverse elastic sheet on the metal shell of the connector female seat and the connector male head can be ensured, the plugging force is improved, and the problem that the connector male head cannot be locked is avoided.