43results about How to "Not easy to unlock" patented technology

The invention discloses a safety lock device and a control method thereof. The safety lock device comprises a first lock body and a second lock body; the first lock body is configured with a moving part; the first lock body comprises a first action member and a second action member; the moving part comprises a first matching member and a second matching member; the second matching member comprisesa first unlock part and a second unlock part; the second action member cooperates with the first matching member to drive the moving part to act, so that the first action member is matched with a second unlock part and not matched with a first unlock part; and the second action member is matched with the first matching member, and the moving part cannot be driven to be completely separated from akeyhole. The structure realizes the function that an individual action member cannot complete unlocking, and the two action members need to cooperate with each other to complete the unlocking function, and solves the current technical problems that children are easy to unlock and a door is easier to open, and potential safety hazards are caused.

The invention provides a chain lock. The chain lock mainly comprises a lock body, a compression spring, a lock cylinder seat, a lock cylinder, a connecting seat, an inserting rod and a chain, whereina chain inserting groove is formed in the lock body; the compression spring is arranged in an accommodating chamber of a convex seat of the lock body; the lock cylinder seat is also located in the accommodating chamber of the convex seat of the lock body; the lock cylinder is arranged in an accommodating groove of the lock cylinder seat; the connecting seat is arranged below the lock cylinder seatand arranged in the accommodating chamber of the lock body and abuts against the compression spring; the upper end of the inserting rod penetrates through a penetrating hole of the connecting seat and is inserted in an inserting groove of the lock cylinder, and the bottom end of the inserting rod penetrates through a through hole of the lock body; one end of the chain is fixedly arranged in one end of the chain inserting groove of the lock body by a fixing bolt, and the other end of the chain is buckled in the other end of the chain inserting groove of the lock body through the inserting rod.Therefore, articles can be locked conveniently, and the optimal anti-theft effect can be realized.

The invention provides a chain lock. The chain lock mainly comprises a lock body, a compression spring, a lock cylinder seat, a lock cylinder, a connecting seat, an inserting rod and a chain, whereina chain inserting groove is formed in the lock body; the compression spring is arranged in an accommodating chamber of a convex seat of the lock body; the lock cylinder seat is also located in the accommodating chamber of the convex seat of the lock body; the lock cylinder is arranged in an accommodating groove of the lock cylinder seat; the connecting seat is arranged below the lock cylinder seatand arranged in the accommodating chamber of the lock body and abuts against the compression spring; the upper end of the inserting rod penetrates through a penetrating hole of the connecting seat and is inserted in an inserting groove of the lock cylinder, and the bottom end of the inserting rod penetrates through a through hole of the lock body; one end of the chain is fixedly arranged in one end of the chain inserting groove of the lock body by a fixing bolt, and the other end of the chain is buckled in the other end of the chain inserting groove of the lock body through the inserting rod.Therefore, articles can be locked conveniently, and the optimal anti-theft effect can be realized.

The invention discloses a bicycle basket device and a shared bicycle, wherein the bicycle basket device is suitable for locking a helmet, and the side wall of the helmet is provided with a via hole; the bicycle basket device comprises a bicycle basket and a helmet lockset, the bicycle basket is provided with a containing cavity and a lock column located in the containing cavity, and the lock column is provided with a lock hole extending in the horizontal direction; the helmet lock is arranged in the bicycle basket and located on the opposite side of the lock column, and the helmet lock is provided with a lock rod moving in the horizontal direction; and a first gap suitable for containing the side wall of the helmet is formed between the lock column and the helmet lock, when the helmet is placed in the containing cavity, the side wall of the helmet is located in the first gap, and the lock rod extends out and penetrates through the via hole to be inserted into the lock hole so that the helmet can be locked in the bicycle basket. According to the bicycle basket device and the shared bicycle provided by the embodiment of the invention, the helmet can be locked in the bicycle basket, locking is reliable and stable, the helmet is not prone to being unlocked violently, and the anti-theft effect is better. In addition, the locking operation is convenient and simple.

The invention discloses a safe electric box, which comprises a box body and a box door. The box body includes an outer box body and an inner box body. A heat insulating cavity is formed between the outer box body and the inner box body. The front side of the box door is arranged There is a handle, the left side of the box door is movably connected with the left side of the inner box body through a hinge, and the right side of the box door is provided with an inward connecting edge. After the box door is installed in place, the connecting edge abuts against the right side of the inner box body. There is a lock button on the right side of the outer box, and a lock lever is connected to the left side of the lock button, and a lock hole is provided on the connecting side. The lock lever extends from the outer box, the heat insulation cavity, and the inner box to connect In the lock hole on the side, the lock rod is provided with a one-way resistance component, which forms a resistance to prevent the lock rod from moving to the right, that is, a large force is required to realize the lock rod to move to the right, making it difficult to unlock the lock rod , improving user safety.

The invention discloses an electric vehicle battery box and a locking mechanism thereof, comprising a lock head, a lock sleeve is axially inserted in an inner hole of the lock head, and a pressing type uniformly distributed along the circumferential direction of the lock head is arranged between the lock sleeve and the lock head Self-locking unit; the self-locking unit includes a control shaft inserted on the front end surface of the lock head for axial limit movement, and a stop body assembled between the control shaft and the lock sleeve, the outer peripheral surface of the lock sleeve has When the shaft moves forward to the locking position, the corresponding end of the stop body is clamped and top mounted between the lock sleeve and the control shaft to realize the locking of the lock head. When the shaft moves back to the unlocking position, the corresponding end of the stop body enters so that the stop body can be radially separated from the unlocking groove of the locking recess, and between the control shaft and the lock head, there is a forward, A return spring to prevent the force that controls the shaft to unlock. The locking mechanism and the electric vehicle battery box using the same have the advantages of convenient operation and stable locking effect.

The invention discloses an anti-technical-unlocking lock cylinder device comprising a lock cylinder body and a plug arranged inside the lock cylinder body. The lock cylinder body comprises lock cylinder body pins and lock cylinder body springs. The plug is internally provided with plug pin holes; a plug pin is disposed inside each plug pin hole. The anti-technical-unlocking lock cylinder device is characterized in that self-locking devices are added into the lock cylinder body. double-locking pins on the lock cylinder body center the plug pin holes, the plug is locked, the double-locking pins are locked and cannot reversely move, the plug is clamped and locked by the multiple self-locking devices, technical unlocking is more difficult, and a pin tumbler lock is technically unlocked rarely.

The invention provides a clamping type safety lock with clamping groove upper pins. The clamping type safety lock with clamping groove upper pins comprises a self-locking system, a clamping locking system and a self-locking compensating system, wherein the self-locking system comprises a main lock core, ball-head lower pins and a lock body; the clamping locking system comprises clamping groove upper pins, a clamping groove plate and a clamping bolt, wherein the clamping groove upper pins and the clamping groove plate are arranged on the lock body, the clamping groove upper pins contact the ball-head lower pins, the vertical part of the clamping bolt is connected with the clamping groove plate, the tail end of the horizontal part of the clamping bolt is clamped on the lock body, the tail end of the main lock core is provided with an open groove, and the bent part of the clamping bolt is clamped in the open groove; and the self-locking compensating system comprises an auxiliary lock core with a driven gear, flat-head lower pins, flat-head upper pins and a transmission device, wherein the auxiliary lock core and the flat-head upper pins are arranged on the lock body, the transmissiondevice is fixed on the lock body, the two ends of the transmission device are respectively in contact with the clamping groove upper pins and the flat-head upper pins, the flat-head lower pins are arranged in the auxiliary lock core in a pressed manner through pin compressed springs, the flat-head upper pins and the flat-head lower pins are in contact, and the driven gear is meshed with a drivinggear. The invention has the advantage of simple structure and is applicable to locks.

The invention discloses a plug-in type connecting device and a household appliance, and belongs to the technical field of household appliances. The problem that an existing plug-in type connecting device is difficult to disassemble is solved. The plug-in type connecting device comprises a plug connector and a socket connector, wherein the socket connector is provided with a socket groove and a plug port, and the plug connector is inserted into or pulled out of the socket groove through the plug port; and at least one of the plug connector and the socket connector is provided with an elastic clamping part, the elastic clamping part is used for locking the plug connector in the socket groove, the elastic clamping part is provided with an operation end extending towards the plug port, and the operation end can drive the elastic clamping part to deform so as to release the plug connector. According to the plug-in type connecting device, the connecting reliability of the plug connector and the socket connector can be guaranteed, and the plug connector and the socket connector can be rapidly disassembled and assembled.