14results about How to "Improve locking force" patented technology

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.

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.

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 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.

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 utility model discloses an enhanced connecting mechanism of a machine tool angle head, which comprises a main shaft shell and a main shaft movably mounted in the main shaft shell, and a clamping block is fixedly mounted at one end of a movable frame; a clamping groove is formed in the annular base, and the clamping block abuts against the interior of the clamping groove. By means of the structural design of the sealing cylinder, the piston, the piston rod, the movable frame, the clamping block and the like, hydraulic oil enters the sealing cylinder through the first installation base to push the piston, so that hydraulic oil on the other side of the piston is discharged out of the sealing cylinder through the second installation base; the clamping block can be clamped in the clamping groove of the annular base on the machine tool angle head, rigid fixing of the machine tool angle head is achieved, the locking force on the machine tool angle head is enhanced, the installing and fixing effect of the machine tool angle head is improved, the problem that the angle head is loosened due to insufficient locking force is solved, and potential safety hazards are prevented.

The utility model relates to a special fixing device of ejection tube belongs to ejection lifesaving device technical field, including fixed limiting frame, fixed limiting frame includes frame body, is fixed with two first limiting portions and two second limiting portions who set up oppositely on the frame body, two second limiting portions are located between two first limiting portions, still include connecting pin, the pin hole is seted up on the first limiting portion, and the connecting pin is used for passing through the pin hole and the middle hole of pulley assembly on the cabin wall board connection, the clamping groove is seted up on the second limiting portion, and the clamping groove is used for with the protruding of the upper clamp both sides on the upper end of ejection tube inner tube and connects, through two first limiting portions and the cooperation of pulley assembly, can limit the position of fixed limiting frame, make fixed limiting frame and pulley assembly, upper clamp fixed connection, because the position of pulley assembly on the cabin wall board is fixed, can limit the rotation around the axle of ejection tube inner tube, only one person can carry out the dismounting operation of nut, avoids the problem that the tacit understanding of two people cooperation is poor.

A novel anchor bolt fixing support comprises a strip-shaped clamping plate, a first connecting piece and a second connecting piece, the strip-shaped clamping plate is vertically arranged and connected with the outer wall of a foundation bolt in a clamped mode, the foundation bolt is located in a metal mesh cage, the strip-shaped clamping plate is welded to the metal mesh cage, the strip-shaped clamping plate and the foundation bolt are connected in a clamped mode through the first connecting piece, and the strip-shaped clamping plate and the foundation bolt are fixed through the second connecting piece. The strip-shaped clamping plate is formed by inserting a sleeve plate and a telescopic plate, the overall length can be adjusted, and a U-shaped clamping groove in the end portion achieves vertical clamping connection with a foundation bolt. The first connecting piece adopts a U-shaped bolt and is connected with a fastening nut after penetrating through a mounting hole of the strip-shaped clamping plate, and a flexible clamping block on the inner side of the first connecting piece and the strip-shaped clamping plate jointly lock the foundation bolt; the U-shaped clamping plate of the second connecting piece presses and fixes the strip-shaped clamping plate through the pressing bolt and the pressing plate. By means of the adjustable clamping structure, the problems that bolts are damaged in traditional welding and fixing, and angle steel supports are poor in fixing adaptability are solved, and the adjustable clamping structure has the advantages of being convenient to install, high in universality and high in reliability.