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CN-121992995-A - Door lock capable of automatically locking touch door

CN121992995ACN 121992995 ACN121992995 ACN 121992995ACN-121992995-A

Abstract

The invention provides a door lock capable of automatically locking a touch door, which comprises an unlocking channel arranged in a shell, wherein one end of an anti-pulling lock tongue is connected with a linkage rod, the unlocking end of the linkage rod is arranged in the unlocking channel, one end of a back-locking lock tongue is connected with a sliding frame, the sliding frame is provided with a stop wall, a sliding groove and a back-locking pull head, the stop pulling piece of a stop pulling piece can rotate around a rotating part, the sliding frame is arranged on one side of the stop pulling piece, when the stop pulling piece rotates to a limit position towards the sliding frame, the top of the stop pulling piece is propped against the stop wall, at the moment, the unlocking part is arranged in the unlocking channel, and the unlocking end pushes the unlocking part to leave the unlocking channel so that the back-locking lock tongue is outwards popped. According to the invention, the anti-pulling lock tongue is matched with the stop piece, when the anti-pulling lock tongue moves into the shell, the unlocking end of the linkage rod interferes with the unlocking part of the stop pulling piece to enable the stop pulling piece to rotate, the stop top is separated from the stop wall, and the anti-locking lock tongue moves outwards under the pulling of the tension spring, so that the door locking action is completed, and a user can directly and reversely lock the door after the door is closed.

Inventors

  • WU LIQIANG

Assignees

  • 特铯集团有限公司

Dates

Publication Date
20260508
Application Date
20260115

Claims (10)

  1. 1. A door lock capable of automatically locking a touch door is characterized by comprising A housing having an unlocking passage therein; One end of the anti-pulling lock tongue is connected with a linkage rod, the linkage rod is provided with an unlocking end, and the unlocking end is arranged in the unlocking channel; one end of the back locking spring bolt is connected with the sliding frame, and the sliding frame is provided with a stop wall, a sliding groove and a back locking pull head; The sliding frame is arranged on one side of the stop pulling piece, when the stop pulling piece rotates to a limit position in the direction of the sliding frame, the abutting part can be abutted against the stop wall, at the moment, the unlocking part is at least partially arranged in the unlocking channel, and when the unlocking end moves along the unlocking channel, the unlocking part can be pushed to leave the unlocking channel; one end of the tension spring is hung on the back-locking pull head and provides tension force towards the direction of the back-locking lock tongue for the sliding frame.
  2. 2. The door lock with automatic locking function according to claim 1, wherein the linkage rod further comprises a limiting head, a pressure spring is abutted against the limiting head, and the pressure spring is compressed when the anti-pulling lock tongue moves inwards the shell.
  3. 3. The door lock with the automatic door locking function according to claim 1, wherein the torsion spring is sleeved on the rotating shaft of the rotating portion, the unlocking portion protrudes out of the plane where the stopping pulling piece is located along the thickness direction of the stopping pulling piece, one torsion leg of the torsion spring abuts against the unlocking portion, and when the anti-pulling lock tongue moves inwards of the shell, the torsion spring is compressed.
  4. 4. The door lock with the automatic door lock according to claim 1, further comprising an unlocking connecting rod, wherein the unlocking connecting rod can rotate around one end of the unlocking connecting rod, the sliding frame is provided with an unlocking convex point, one end of the unlocking connecting rod, which is far away from the rotating shaft of the sliding frame, can be abutted against the unlocking convex point, and when the unlocking connecting rod rotates around the rotating shaft of the sliding frame, the unlocking convex point can pull the anti-locking bolt to move inwards of the shell.
  5. 5. The door lock capable of automatically locking a touch door according to claim 4, further comprising a lock tongue, wherein the shell is provided with a lock tongue hole, the lock tongue hole and the lock tongue are respectively provided with a first limit surface and a second limit surface, the lock tongue is connected with the lock tongue rod, the lock tongue can move along the length direction of the lock tongue rod, and when the lock tongue extends out of the lock tongue hole, the lock tongue can rotate around the lock tongue rod in the axial direction.
  6. 6. The door lock capable of automatically locking a door according to claim 5, wherein the lock tongue rod is sleeved with a second spring and an unlocking plate, the lock tongue rod is provided with a limiting edge along the radial direction, and two ends of the second spring are respectively abutted against the unlocking plate and the limiting edge; And the fixed block is provided with a through hole, and the lock tongue rod penetrates through the through hole.
  7. 7. The door lock with automatic door locking function according to claim 1, further comprising a proximity switch and a signal trigger deflector rod, wherein one end of the signal trigger deflector rod is provided with an electric shock of which a trigger head can be close to or far from the proximity switch, the sliding frame is provided with a guide slope, and the trigger head corresponds to the guide slope.
  8. 8. The door lock capable of automatically locking a door according to claim 1 or 5, wherein one end of the anti-pulling lock tongue, which is far away from the linkage rod, is provided with a guide surface, and the guide surface is inclined towards the direction far away from the linkage rod.
  9. 9. The door lock with automatic locking function according to claim 1, further comprising a lock catch, wherein the lock catch has a top supporting surface, the top supporting surface corresponds to the anti-pulling lock tongue, and the anti-pulling lock tongue can be abutted against the top supporting surface.
  10. 10. The door lock with automatic door strike locking according to claim 1, further comprising a shackle having an anti-lock hole into which the anti-lock tongue is insertable.

Description

Door lock capable of automatically locking touch door Technical Field The invention belongs to the technical field of door locks, and particularly relates to a door lock capable of automatically locking a touch door. Background The door lock is a device which is arranged on the door and prevents outsiders from opening from the outside under the condition of non-permission, the existing door lock is usually a latch, and when the door is closed, the lock tongue is inserted into a lock hole of a door frame through the cooperation of the lock tongue and the spring. Meanwhile, in order to prevent outsiders from opening the door through tools, a user can control the straight lock tongue to extend out of the lock body through a key or a handle and insert the straight lock tongue into a lock hole preset in the door frame, so that the safety of the door lock is improved. However, the user may forget to lock the door, which reduces the security of the door, and the actions of locking the door and retracting the key after picking the key are complicated. Disclosure of Invention In view of the above, the present invention aims to propose a door lock that automatically locks a door in order to allow the door to lock automatically after closing the door. In order to achieve the above purpose, the technical scheme of the invention is realized as follows: A door lock capable of automatically locking a door by touching comprises A housing having an unlocking passage therein; One end of the anti-pulling lock tongue is connected with a linkage rod, the linkage rod is provided with an unlocking end, and the unlocking end is arranged in the unlocking channel; one end of the back locking spring bolt is connected with the sliding frame, and the sliding frame is provided with a stop wall, a sliding groove and a back locking pull head; The sliding frame is arranged on one side of the stop pulling piece, when the stop pulling piece rotates to a limit position in the direction of the sliding frame, the abutting part can be abutted against the stop wall, at the moment, the unlocking part is at least partially arranged in the unlocking channel, and when the unlocking end moves along the unlocking channel, the unlocking part can be pushed to leave the unlocking channel; one end of the tension spring is hung on the back-locking pull head and provides tension force towards the direction of the back-locking lock tongue for the sliding frame. Furthermore, the linkage rod is also provided with a limiting head, a pressure spring is propped against the limiting head, and when the anti-pulling lock tongue moves inwards the shell, the pressure spring is compressed. Further, a torsion spring is sleeved on the rotating shaft of the rotating part, the unlocking part protrudes out of the plane where the stopping pulling piece is located along the thickness direction of the stopping pulling piece, one torsion foot of the torsion spring is propped against the unlocking part, and when the anti-pulling lock tongue moves inwards, the torsion spring is compressed. Further, this lock still includes the connecting rod that unblanks, the connecting rod that unblanks can rotate around self one end, the carriage has the unblock bump, and the connecting rod that unblanks keeps away from self pivot one end and can support on the unblock bump, and when the connecting rod that unblanks rotates around self pivot, can pull the locking spring bolt through the unblock bump and move to the shell internal motion. Furthermore, the application also comprises a lock tongue, the shell is provided with a lock tongue hole, the lock tongue hole and the lock tongue are respectively provided with a first limit surface and a second limit surface, the lock tongue is connected with the lock tongue rod, the lock tongue can move along the length direction of the lock tongue rod, and when the lock tongue extends out of the lock tongue hole, the lock tongue can rotate around the lock tongue rod axially. Further, a second spring and an unlocking plate are sleeved on the lock tongue rod, the lock tongue rod is provided with a limiting edge along the radial direction, and two ends of the second spring are respectively propped against the unlocking plate and the limiting edge; And the fixed block is provided with a through hole, and the lock tongue rod penetrates through the through hole. Further, the electric shock device also comprises a proximity switch and a signal trigger deflector rod, wherein one end of the signal trigger deflector rod is provided with a trigger head which can be close to or far away from the electric shock of the proximity switch, the sliding frame is provided with a guide slope, and the trigger head corresponds to the guide slope. Furthermore, one end of the anti-pulling lock tongue, which is far away from the linkage rod, is provided with a guide surface, and the guide surface is inclined towards the direction far away from the linkage rod. Further, the anti-pull