42results about How to "Small unlocking force" patented technology

The invention discloses a bottom power taking self-locking electric bus battery box system capable of quickly changing a battery. The system comprises a battery box (1), a tray (2) used for bearing the battery box and arranged on an electric bus, mobile equipment (4) for conveying the battery box, and a grabbing device (5) arranged on the mobile equipment; and a battery box locking and unlocking device (3) is arranged on the tray. Through the system, automatic assembly of the battery box in the electric bus battery box system is realized, and the problems of over positioning, deformation of power wire connection pegs, breakage, arc discharge, welding, difficulty in automatically realizing unlocking due to impact of the battery box to a bolt of a locking mechanism in jolt and deformation of the battery box due to impact in jolt. The system is reasonable, reliable, simple and compact in structure, and can full-automatically, quickly and conveniently realize quick change of the power battery.

The invention provides a sliding bottom electricity-taking and self-locking electric bus battery quick-change pellet device. The electric bus battery quick-change tray device comprises a pellet and a locking and unlocking mechanism (3) mounted on the pellet. According to the invention, the battery box can be correctly positioned and reliably locked reasonably; the force is reasonably applied to the battery box; simple structure and simple and reasonable power wire splicing mode are obtained; and the arc discharge phenomenon can be effectively prevented.

The invention provides an unlocking mechanism of SFP (small form pluggable) optical modules. The unlocking mechanism comprises an optical module with an optical port and an electric port; a locking hole is arranged at the top part of the optical module; a locking head which is convex towards the top part of the optical module through the locking hole is arranged on the optical module; a rotary arm is hinged inside the optical module; an elastic reset device is arranged between the rotary arm and the optical module; the locking head is arranged on the rotary arm; the locking head is provided with an inclined plane close to one side of the electric port; an unlocking slide block is arranged inside the locking hole; the unlocking slide block can slide inside the locking hole; and the unlocking slide block is arranged above the inclined plane; and when in unlocking, the unlocking slide block is contacted with the inclined plane, and the locking head is pushed into the optical module through the inclined plane. As the optical module can be unlocked only by exerting a force to the inclined plane so as to push the rotary arm hinged inside the optical module to rotate downwards, the resistance in unlocking is small, the unlocking force necessary for unlocking is small, and the operation is convenient.

The invention relates to an actuator cylinder position locking and unlocking mechanism, which comprises a cylinder body (4), a piston (5) and an ejector rod (6). The ejector rod (6) is mounted in the piston (5), a cavity is arranged at one end of the ejector rod (6), a spring (1) is mounted in the cavity, a hole is arranged at the other end of the ejector rod (6), the other end of the ejector rod is connected with a first connecting rod (7) with a cylindrical boss, the first connecting rod (7), a second connecting rod (8) and a third connecting rod (9) are hinged sequentially, and the other end of the third connecting rod (9) is fixed relatively. Radial holes (51) used for mounting an upper lock pin (2) and a lower lock pin (3) are arranged at one end of the piston (5) close to the cavity of the ejector rod (6) and are distributed circumferentially, and grooves are arranged in the radial holes (51). An annular groove (10) is arranged in the cylinder body (4) and the lower lock pin (3) can be clamped into the annular groove (10). The upper position and the lower position of a hydraulic / pneumatic actuator cylinder can be locked by the aid of the actuator cylinder position locking and unlocking mechanism which is high in locking force, low in unlocking force and high in reliability.

The invention relates to a gunpowder actuator unlocking device and belongs to the technical field of gunpowder actuators in a guided missile mechanism. The gunpowder actuator unlocking device comprises an actuator casing and a loading piston connected with the rear end of the actuator casing, wherein the front end of the actuator casing is connected with an electric ignition tube through a partition plate. A grain is arranged in the actuator casing and wrapped with a grain wrapper. The end face of the loading piston is connected with an unlocking piston through a spring, and a limiting ball is located between the outer edge of the loading piston and the inner edge of the actuator casing. A region between the unlocking piston and the grain wrapper is a power cavity, and an air source channel is located between the grain wrapper and the inner edge of the actuator casing. The sectional area of the end face of the unlocking piston is smaller than that of the end face of a middle section of the unlocking piston, and the side edge of the unlocking piston is provided with an unlocking piston groove. The unlocking device built in the gunpowder actuator unlocking device is simple in principle and reliable in unlocking. A function of increasing initial locking force and decreasing unlocking force is achieved. The gunpowder actuator unlocking device can be applied to various guided missile folding mechanisms.

Provided is a car seat sliding rail locking mechanism. The locking mechanism comprises a movable guide rail, a fixed guide rail, a locking mechanism and an unlocking mechanism. The locking mechanism further comprises a locking claw, a fixed bracket, a rotating shaft and a locking spring. The lower end of the lock claw is provided with a plurality of lock gears; the upper end of the lock claw is provided with a control panel; the middle two sides of the lock claw is provided with a pair of first fold ears; a spring hole is installed at the connection part of the control panel and the lock gear; the one side of the fixed bracket is provided with a pair of second fold ears, and the other side of the fixed bracket is provided with a reinforced flanging and the middle of the fixed bracket is provided a hook spring slot; the locking spring is installed between a pair of the first fold ears, wherein a first spring hook at the one end is hooked up to the spring hole, and a second spring hook at the other end is hooked up to the hook spring groove; the middle of the rotating shaft is provided with the locking spring in a clamping mode, and both ends of the rotating shaft are passed through and formed in shaft holes of a pair of first fold ears and a pair of second fold ears; an abdication groove, a square hole and a lock groove are formed in the moving guide rail; a plurality of locking row holes are formed in the edgefold of the fixed guide rail; a wrench hole is formed in the locking mechanism. The sliding rail locking mechanism has the advantages that the locking strength is high; a gear of the locking mechanism is prevented from skipping under impact; the unlocking trip is short; the unlocking force is weak; the processing is convenient; the locking is reliable; the processing accuracy requirement is low and the assembling is convenient.

The invention discloses a seat angle regulator. The seat angle regulator comprises return springs arranged between a camshaft and a fixed part to generate elastic deformation during the rotation of the camshaft relative to the fixed part in order to control the locking or unlocking of the seat angle regulator; the middle of the fixed part has an inside concave counter bore, the return springs are arranged in the inside concave counter hole, and there is at least one group of the return springs; and each group has two return springs symmetrically arranged relative to the revolving axis of the camshaft in an axial projection plane. The completely-symmetric fixing mode of the two return springs of each group provides same-direction torques, and simultaneously side forces generated by the two return springs are equal in size and are opposite in direction, so the side forces offset, thereby a case that the return springs only provide the torques for the angle regulator without generating additional frictional force is guaranteed. The invention also provides a seat having the seat regular on the basis of the above scheme.

The invention discloses a strong connection and weak unlocking device. The device comprises a first connecting piece, a second connecting piece, locking position bodies and a piston, wherein a drivingopening is formed in the first connecting piece, and a plurality of first grooves are formed in the first connecting piece; the second connecting piece is provided with a plurality of second grooves,and the second grooves are matched with the first grooves to form locking position grooves; and the locking position bodies are arranged in the locking position grooves, the piston is movably arranged in a cavity defined by the first connecting piece and the second connecting piece, and is provided with a locking position for connecting the first connecting piece to the second connecting piece, and an unlocking position for unlocking the first connecting piece and the second connecting piece, at least part of the outer surface of the piston forms groove bottoms of the second grooves, when thepiston is located in the locking position, the locking position bodies are limited in the locking position grooves, and when a driving device drives the piston to move to the unlocking position through the driving opening, the locking position bodies leave the locking position grooves, the structure is simple, unlocking is convenient, and the required unlocking force is small.

The invention discloses a sliding rail locking and unlocking device for an automobile seat. The locking and unlocking device comprises an unlocking handle, a return spring, a rotating shaft, a rectangular cover, a connecting piece, a driven rod, a locking pawl and a sliding rail with a locking hole. The unlocking handle is fixed at the upper end of the rotating shaft; one end of the return springis buckled on the unlocking handle; the connecting piece comprises a first mounting hole and a second mounting hole; the lower end of the rotating shaft is fixed in the first mounting hole; the upperend of the driven rod is fixed in the second mounting hole; the lower end of the driven rod is fixed in a third mounting hole of the locking pawl; the locking pawl is in a concave-convex tooth shape and is matched with the locking holes distributed in the sliding rail at intervals, the locking strength is further enhanced through the design of the rectangular cover cap, deformation of the driven rod and the connecting piece connected with the lock pin after the lock pin deforms is effectively protected, the locking strength is higher through the connected lock pin structure, the structure is simple, and cost is low.

The invention provides an unlocking force and stroke adjusting mechanism. The mechanism is independently manufactured from a slide rail assembly, and is mounted in an upper slide rail of the slide rail assembly by adopting a fastener. The mechanism comprises a fixing support connected with the upper slide rail in the slide rail assembly, as well as an unlocking U-shaped support assembly, an unlocking reset spring, an inhaul cable support assembly, a small gear and a sector gear which are installed in the fixing support, the inhaul cable support assembly drives the sector gear to rotate throughthe small gear so as to drive the unlocking U-shaped support assembly to rotate, and the rotating unlocking U-shaped support assembly drives an unlocking arm on the unlocking U-shaped support assembly to act on an unlocking pin of a slide rail locking mechanism to unlock the slide rail locking mechanism. According to the mechanism, by means of the modular design, manufacturing, installation and replacement are convenient, an existing slide rail manufacturing process is not affected, meanwhile, an unlocking force and unlocking stroke adjusting range is large, and the mechanism is suitable formanual adjustment and electric adjustment to unlock a slide rail and is also suitable for motors with the same power to drive different types of slide rail assemblies to be unlocked.

The invention discloses a storage bed unlocking device. The storage bed unlocking device comprises a stop pin assembly which is arranged in a bed box, and a lock assembly which is arranged on a framework, wherein the lock assembly comprises a base, an adjusting ratchet wheel and a locking ratchet; the adjusting ratchet wheel is connected with a torsion spring, and is fixed on the base through a revolving shaft; the adjusting ratchet wheel is provided with an opening; the base is provided with a stop pin inlet; when the lock assembly is in an unlocking state, the opening in the adjusting ratchet wheel is coincided with the stop pin inlet of the base; when the lock assembly is in a locking state, the opening in the adjusting ratchet wheel is staggered away from the stop pin inlet of the base; the locking ratchet is connected with the base through a revolving shaft; the locking ratchet is provided with a short arm and a long arm; the short arm is matched with the adjusting ratchet wheel;the long arm is connected with a starting-resetting mechanism. The storage bed unlocking device does not produce noise during operation, has a multi-gear locking function, can still be locked under the situation of upward-downward deviation of the stop pin due to mounting error, and is easy and safe to operate.

The invention discloses a dual-purpose unlocking and locking mechanism which comprises a frame (1), a manual unlocking assembly (2), a push rod (9) and an electromagnetic locking assembly (13). The frame (1) is provided with the manual unlocking assembly (2) and the electromagnetic locking assembly (13), and the electromagnetic locking assembly (13) is composed of an electromagnet (16) and a torsional spring (18). The dual-purpose unlocking and locking mechanism is characterized in that the manual unlocking assembly (2) comprises a spring sheet (3), a cover plate (4), a pull ring (6) and a pull plate (7), the cover plate (4) is arranged on the outer portion of the spring (5), the spring sheet (3) is arranged on the lower portion of the cover plate (4), the pull ring (6) and the pull plate (7) are in sliding connection, the pull plate (7) is arranged on damping rubber (8), the push rod (9) is arranged on a rotating shaft (11), and the push rod (9) is in sliding fit with an inner ring of an annular support (10). The dual-purpose unlocking and locking mechanism is small in structural unlocking force, and reliable in locking.

The invention provides an electromagnetically-driven black box throwing mechanism, and the throwing mechanism comprises ejection assemblies, actuating assemblies and a base, wherein the ejection assemblies are arranged in the center of the base, the actuating assemblies are evenly distributed on the periphery of a black box, all the actuating assemblies are arranged on the side of the base, and the actuating assemblies are arranged on the periphery of the black box; the base is installed on the aircraft body, and the ejection assembly is connected with the bottom of the black box; when the aircraft flies safely, the actuating assembly tightly presses and locks the black box; when the aircraft breaks down, the actuating assembly operates and unlocks the black box, and the ejection assemblyacts to eject the black box to enable the black box to be separated from the aircraft body. The electromagnetically-driven black box throwing mechanism is installed on an aircraft body, the black boxis pressed in the safe flight process of an aircraft, and after the aircraft breaks down, the unlocking can be driven under the action of an instruction, and the black box is catapulted to be separated from the aircraft body in advance.

The invention relates to an unlocking device for a vehicle door in a traffic field. The unlocking device consists of latch hooks and a locking plate, wherein the rotation or movement of the latch hooks is limited by meshing between the latch hooks and the locking plate; the blocking of a door leaf is released by the rotation or movement of the latch hooks, so that the locking or unlocking of a door system is realized. The unlocking device for the vehicle door in the traffic field has the advantages that the structure is simple, the releasing force is small, and the manufacturing cost is low.

The invention provides an emergency-door and end-door push rod lock for a rail transit platform and relates to the technical field of hardware. The emergency-door and end-door push rod lock comprises an unlocking unit, a central locking unit and a lock bolt unit. The lock bolt unit is connected with the central locking unit through a first connection rod. The first connection rod is provided with a large-scale-length-adjusting locking and fastening connection piece. The central locking unit is connected with the unlocking unit through a second connection rod. The second connection rod is provided with a length-fine-adjusting locking and fastening connection piece. The emergency-door and end-door push rod lock is simple in structure, convenient to operate, standard, and universal, the long-hole-distance machining error of the lock is overcome, the stability and the reliability of the lock are improved greatly, and the reaction speed of the lock is increased greatly; the three modules are all of the rigid frame sealed packaging structures, the strength of the lock is enhanced, the internal structure of the lock is prevented from being damaged by external impact, the problem that the stroke of a lock is insufficient or excessive due to the cumulative error of an integrated lock frame is solved, the structure is modular, occupied space is reduced, a door body does not need to be detached, and great convenience is provided for later maintenance.

The invention discloses a push rod type three-locking two-unlocking lock and equipment with the lock, and belongs to the technical field of locks. The lock comprises a driving assembly (25), a base (2), three locks (21), a cantilever type transmission assembly (41) and three push rod assemblies (18). The three locks (21) are fixedly arranged on the base (2), the cantilever type transmission assembly (41) is provided with three free ends, the first ends of the three push rod assemblies (18) make contact with the three free ends in a one-to-one correspondence mode, the second ends of the three push rod assemblies (18) are arranged at spring bolt positions of the three locks (21) in a one-to-one correspondence mode, and when any two of the three locks (21) are located at the unlocking position and the cantilever type transmission assembly (41) is driven by the driving assembly (25) to move in the set direction, the two corresponding push rod assemblies (18) can move in the set direction.The equipment with the lock comprises the lock, and the unlocking mode is more convenient.

The invention discloses a bottom power taking self-locking electric bus battery box system capable of quickly changing a battery. The system comprises a battery box (1), a tray (2) used for bearing the battery box and arranged on an electric bus, mobile equipment (4) for conveying the battery box, and a grabbing device (5) arranged on the mobile equipment; and a battery box locking and unlocking device (3) is arranged on the tray. Through the system, automatic assembly of the battery box in the electric bus battery box system is realized, and the problems of over positioning, deformation of power wire connection pegs, breakage, arc discharge, welding, difficulty in automatically realizing unlocking due to impact of the battery box to a bolt of a locking mechanism in jolt and deformation of the battery box due to impact in jolt. The system is reasonable, reliable, simple and compact in structure, and can full-automatically, quickly and conveniently realize quick change of the power battery.

The invention provides a novel strong locking and weak unlocking mechanism. The mechanism is composed of an actuator, connecting pieces, an upper wing surface, a lower wing surface and fixing pins. Locking grooves are formed in the upper wing surface and the lower wing surface, and the two locking grooves are aligned in an initial working state. The connecting pieces are slidably arranged in the locking grooves. Pin holes with corresponding positions are formed in the upper wing surface and the connecting pieces. The fixing pins penetrate through the pin holes of the connecting pieces and the upper wing surface to lock the positions of the upper wing surface, the lower wing surface and the connecting pieces. The novel strong locking and weak unlocking mechanism has the advantages that the locking force is large, and reliable locking of a missile airfoil folding and unfolding mechanism under the condition of large external load in the initial state is guaranteed; and when the mechanism moves, the mechanism can be reliably unlocked only by a very small unlocking force.

The invention relates to an internal combustion engine piston control system, in particular to a combustion cylinder piston locking rebound device of a split internal combustion engine. The device comprises a work cylinder cover, a cam shaft located on the work cylinder cover, a locking rebound device body connected with the cam shaft, and a piston penetrating through the work cylinder cover. The locking rebound device body is located on the work cylinder cover and comprises a locking part and an unlocking part, wherein the locking part is directly located on the upper surface of the work cylinder cover, and the unlocking part is located on the locking part. A piston connection rod is arranged on the two sides of the piston. The piston connection rod is sleeved with a piston rebound spring, and a connection rod cap is arranged on the top of the piston connection rod. The device is good in locking and unlocking effect, responses are timely, the device and other mechanisms of the internal combustion engine can be kept in a common control frequency, and stable operation of the internal combustion engine is guaranteed. Besides, two unlocking springs are arranged, required unlocking force is reduced, energy consumption is smaller, and the use effect is good.

The first locking portion (93) of the first component and the second locking portion (55) of the second component have a first locking surface (151) and a second locking surface (161) respectively, and they are positioned at the first locking portion (93). They are opposed to each other in a locked state having been locked to the second locking portion (95). The first inclined surface (155) of the first locking surface (151) and the first abutting portion (153) are arranged in an offset manner in the locking width direction. The second locking surface (161) includes a second inclined surface (167) and a second abutting portion (165). When the first component (21) moves relatively from the locked state to the second component (13) in the opposite direction of the mating direction, the first inclined surface (155) abuts against the second abutting portion (165) and slides on it, And then the first abutting portion (153) abuts and slides on the second inclined surface (167). Therefore, the first locking portion (93) is elastically deformed in a direction opposite to the locking direction by the first inclined surface (155) and the second inclined surface (167) to release the locked state.