11 results about "Closed lock" patented technology

The application relates to the technical field of locks, and discloses a door lock which comprises a lock ring, a lock hook and an unlocking device. The lock ring comprises a first lock ring part and a second lock ring part which abut against each other, and the first lock ring part and the second lock ring part can form a closed lock ring. The lock hook can be clamped to the lock ring. The unlocking device comprises a pressing end and an elastic abutting end, and the pressing end is connected with the first lock ring part. When the pressing end is in a pressing state, the first lock ring part is driven by the pressing end to move away from the second lock ring part, so that the lock hook is separated from the lock ring. When the pressing end is in a relaxed state, the first lock ring part is driven by the pressing end to move close to the second lock ring part, a closed lock ring is formed, and the lock hook is locked with the lock ring. The application also discloses a box equipment.

The utility model discloses a ball head unlocking and locking mechanism which comprises a ball head seat and a ball head located in the ball head seat and further comprises a first rotating piece and a second rotating piece which are located in the ball head seat, the first rotating piece is in transmission connection with the second rotating piece, and the diameter of the first rotating piece is larger than that of the second rotating piece. The second rotating piece is connected with a driving piece located on the outer side of the ball cup, and when the driving piece is stressed to drive the second rotating piece to rotate, the driving piece drives the first rotating piece to move so as to achieve locking or unlocking of the ball in the ball cup. According to the utility model, the effect that the pinion drives the bull gear to carry out transmission and control with greater force in a limited space is realized, so that the locking or unlocking of the ball head is controlled.

The utility model relates to a backrest lock, which comprises a cover plate, a stop hook and a lock blade, the stop hook is rotatably arranged on the cover plate, the lock blade comprises a connecting part, a mounting part and a lock hook, a tension spring is connected between the connecting part and one end of the stop hook on the same side, and the cover plate is provided with a lock groove corresponding to the motion trail of the lock hook. The lock hook and the lock groove form an opened or closed locking cavity, and the door lock is characterized in that the locking cavity is provided with a buffer device, so that abnormal sound is eliminated, and noise is reduced.

The interlocking mechanism of the switchgear includes a closing locking element, an interlocking unit, and a locking spring element. The closing locking element can move between a closed locked position and a closed unlocked position. When in the closed locked position, the closing locking element locks the circuit breaker of the switchgear in the closed state. The interlocking unit can operate to switch between a locked state and an unlocked state. The interlocking unit in the locked state can abut against the closing locking element in the closed locked position to prevent the closing locking element from moving to the closed unlocked position. The cabinet door in the closed state can abut against the interlocking unit in the unlocked state to prevent the interlocking unit from switching to the locked state. The locking spring element can drive the interlocking unit to switch from the unlocked state to the locked state. This interlocking mechanism constrains the operation logic of the cabinet door and the circuit breaker through a mechanical structure, so that when the cabinet door is in the detached state, the closed circuit breaker is locked in the closed state. A switchgear is also provided.

The utility model relates to the technical field of closed type rivets, and discloses a high-strength closed type locking rivet which comprises a rivet rod, a fracture groove is formed in the rivet rod, a rivet cap is arranged on the outer wall of the rivet rod, a rivet core is fixedly connected to the bottom end of the rivet rod, and a conical block is fixedly connected to the lower surface of the rivet core. A conical block is arranged on the outer wall of the rivet core, a rivet pipe is arranged on the outer wall of the conical block, the lower surface of the rivet cap is fixedly connected to the upper surface of the rivet pipe, a plurality of clamping blocks are fixedly connected to the outer wall of the rivet core, conical strips are arranged on the outer walls of the clamping blocks, the outer walls of the conical strips are fixedly connected to the interior of the rivet pipe, and two sealing rings are arranged in the rivet pipe. According to the utility model, through the cooperation of the rivet core, the conical block, the clamping block, the rivet cap, the rivet tube, the conical strip and the sealing ring, the movement of the rivet core is clamped and limited, the rivet core is ensured to be firmly locked in the rivet tube after riveting is completed, the rivet core is prevented from loosening or falling off, and the connection reliability is enhanced.

The utility model discloses an improved elastic groove self-ligating bracket which comprises a base plate, a bracket matrix and a sliding locking plate, the bracket matrix is provided with an arch wire groove for accommodating a correction arch wire, and the bracket matrix is divided into a first working wing and a second working wing by the arch wire groove; the first working wing or the second working wing is provided with a sliding groove for containing the sliding locking plate, and the sliding locking plate slides in the sliding groove to close or open the arch wire groove. A closed lock groove is formed in the bottom face of the sliding groove and extends in the length direction of the sliding groove. The two side walls, extending in the length direction of the sliding groove, of the locking groove can deform under the action of external force. A positioning tail end protruding out of the lower surface of the sliding locking plate is arranged on the lower surface of the sliding locking plate, and the positioning tail end is located in the locking groove and matched with the locking groove. The bracket disclosed by the utility model has the advantages of compact structure, accuracy in positioning, convenience in operation and the like, and better meets the clinical application requirements.

The utility model discloses a pump station pool structure which comprises a pool poured through a reinforcement cage structure, the reinforcement cage structure comprises a plurality of annular rib structures which are arranged up and down at intervals, and each annular rib structure comprises an outer annular rib and an inner annular rib which is concentrically arranged; a plurality of lock catch tie bars are fixedly connected between the outer ring rib and the inner ring rib; the outer ring rib and the inner ring rib are fixed and pulled through the lock catch pulling rib; the reinforcement cage structure further comprises a plurality of vertical lock catch ribs hung between the lock catch tie bars at the upper end and the lower end. Closed lock catch parts are arranged at the upper end and the lower end of the vertical lock catch rib, and the lock catch tie bars are limited in the lock catch parts; the pump station pool structure further comprises an anti-floating structure, and the anti-floating structure is welded to the bottom of the vertical lock catch rib. Through the structure, the structural strength of the water tank is improved in a reinforcement cage structure reinforcing mode, and then the requirement of a large water storage tank is met.

The application discloses a closed lock buckle steel band bundling method, comprising the following steps: S100, pushing a closed lock buckle into a clamping mechanism through a lock buckle driving device; S200, the clamping mechanism captures the closed lock buckle; S300, the lock buckle driving device is withdrawn to a first withdrawal position; S400, starting stringing, guiding the steel band to pass through the opening of the lock buckle driving device after passing through the closed lock buckle; S500, after the steel band passes around the object to be bundled for one round, guiding the steel band to pass through the closed lock buckle again; S600, bending the head of the steel band passing out of the lock buckle to the direction of the lock buckle to form a bending part; and S700, locking the lock buckle to clamp tightly, and completing the bundling. The application can realize automatic bundling of the closed lock buckle.

The utility model discloses a linear type cutting anastomat with a movable handle self-locking function, which comprises a lower jaw component and an upper jaw component, the middle parts of the lower jaw component and the upper jaw component are rotatably hung together, the left end of the lower jaw component is provided with a nail propping seat component, and the right end of the lower jaw component is provided with a fixed handle; the left end of the upper jaw assembly is provided with a nail bin assembly, the right end of the upper jaw assembly is provided with an upper jaw framework, the middle of the upper jaw assembly is hinged to a movable handle obliquely extending to be located above the upper jaw framework, the top of the upper jaw framework is provided with a clamping hook assembly extending upwards, and in the closed locking state, the movable handle, the upper jaw framework and the fixed handle are closed and attached together. The clamping hook assembly and the movable handle are buckled, locked and connected together; in the unlocking state, the clamping hook assembly is separated from the movable handle, and the movable handle obliquely extends to be located above the upper jaw framework. During use, the clamping hook assembly and the movable handle are buckled, locked and connected together, separation of the movable handle and the upper jaw framework in the cutting and suturing process is effectively eradicated, and stability and safety are both good.

An article bender apparatus that assists in joining two separate malleable article line free ends in a selected helical wrap, the article bender apparatus including a disc that has a slot disposed therethrough that originates from the center at a root extending radially outward, a shoe having a selectable pivotal lock to a face of the disc, wherein the shoe is in an open state when the slot is open and the shoe is in a closed locked state when the shoe partially covers the slot leaving the slot root section open. Also, a means for rotating the disc about the root, operationally the disc is inserted onto a first line free end portion to the root, the shoe is placed in the closed locked state, with the shoe intersecting a second line free end portion, next rotating the disc to helically wrap the second line about the first line.