Magnetic door lock body

Through the design of magnetic door lock lock body, the anti-locking parts are driven by internal and external lock openings to achieve anti-locking, which solves the problems of complex and high cost of the existing door lock structure, and realizes the miniaturization of the lock body and the cost reduction.

CN223202874UActive Publication Date: 2025-08-08WENZHOU XINGU HARDWARE CO LTD
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Patent Information

Application Number
CN202422496874.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-16
Publication Date
2025-08-08
Estimated Expiration
2034-10-16

AI Technical Summary

Technical Problem

The existing door lock has a complex structure, large size, and high production costs, making it difficult to achieve simplified anti-locking function.

Method used

The magnetic door lock lock body design is adopted, and only a single lock tongue is set in the lock body. The inner unlocking member and the outer unlocking member drive the anti-locking member to achieve anti-locking, simplifying the internal structure of the lock body, and controlling the retraction and anti-locking of the lock tongue through the inner and outer handles respectively.

Benefits of technology

Reduces internal parts of the lock body, simplifies the structure, reduces production costs, and achieves convenient locking and unlocking functions through internal and external handles.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a magnetic attraction door lock body which comprises a lock shell and a lock tongue arranged in the lock shell in a sliding mode. An inner unlocking piece and an outer unlocking piece which are used for pushing the spring bolt to retract into the lock shell are rotationally arranged in the lock shell, the inner unlocking piece is connected with the inner handle square shaft, and the outer unlocking piece is connected with the outer handle square shaft. A back locking assembly is arranged on one side of the outer unlocking piece and comprises a back locking piece rotationally arranged on the lock shell and a positioning torsional spring, one end of the positioning torsional spring is connected to the lock shell, and the other end of the positioning torsional spring is connected to the back locking piece; the inner handle square shaft drives the inner unlocking piece to rotate reversely, the inner unlocking piece pushes the back locking piece to rotate to the back locking position, and the back locking portion of the back locking piece abuts against the locking portion of the outer unlocking piece. Only the single spring bolt is arranged in the lock body, the back locking piece is driven by the inner unlocking piece and the outer unlocking piece to conduct back locking, internal parts of the lock body are reduced, the internal structure of the lock body is simplified, and therefore the size of the lock body is reduced, and the production cost of the lock body is effectively reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of door locks, and more specifically, to a magnetic door lock body. Background Art

[0002] As the name suggests, a door lock is used to lock the door, which plays a role in windproofing, anti-theft and other security functions; it can prevent the door from opening automatically due to wind, and it can also prevent others from opening the door from outside, so as to protect personal privacy and prevent theft.

[0003] In order to protect personal privacy and prevent theft, the door lock must be reversed. In order to achieve the reverse locking function, existing door locks generally arrange an upper lock tongue and a lower lock tongue in the lock body, and separately arrange a reverse locking knob and a reverse locking piece to lock the lower lock tongue, so that the lower lock tongue cannot be retracted into the lock housing, thereby achieving the reverse locking of the door lock. However, this method results in a complex internal structure of the lock body, a large lock body volume, and high production costs. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a magnetic door lock body.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A magnetic door lock body comprises a lock housing and a lock tongue slidably disposed in the lock housing; an inner unlocking member and an outer unlocking member are rotatably disposed in the lock housing for pushing the lock tongue to retract into the lock housing; the inner unlocking member is connected to a square shaft of an inner handle, and the outer unlocking member is connected to a square shaft of an outer handle;

[0007] A reverse locking assembly is provided on one side of the external unlocking member, and the reverse locking assembly includes a reverse locking member rotatably arranged on the lock housing and a positioning torsion spring, wherein one end of the positioning torsion spring is connected to the lock housing and the other end is connected to the reverse locking member;

[0008] The inner handle square shaft drives the inner unlocking member to rotate in the opposite direction, and the inner unlocking member pushes the anti-locking member to rotate to the anti-locking position, so that the anti-locking portion of the anti-locking member abuts against the locking portion of the outer unlocking member.

[0009] The utility model is further provided with: an inner matching portion is provided on one side of the anti-locking member, and the inner matching portion is arranged opposite to the inner unlocking member;

[0010] The inner handle square shaft pushes the inner unlocking part to rotate in the opposite direction, and the inner unlocking part pushes the inner matching part to rotate the anti-locking part to the anti-locking position.

[0011] The utility model is further provided with: an outer matching portion is provided on the other side of the anti-locking member, and the outer matching portion is arranged opposite to the outer unlocking member;

[0012] The outer handle square shaft pushes the outer unlocking member to rotate in the opposite direction, and the outer unlocking member pushes the outer matching portion to rotate the anti-locking member to the anti-locking position.

[0013] The utility model is further provided with: an unlocking portion is provided at the rear end of the lock tongue, and the unlocking portion is arranged opposite to the lower end of the anti-locking member;

[0014] When the anti-locking member is in the anti-locking position, the inner unlocking member pushes the lock tongue to retract into the lock housing, and the unlocking portion pushes the anti-locking member to rotate in the opposite direction to the unlocking position.

[0015] The utility model is further provided with: the outer unlocking member comprises an unlocking plate and a locking plate which are separately provided, and the unlocking plate and the locking plate are jointly connected to the square shaft of the outer handle;

[0016] The locking portion is arranged on the locking plate and is arranged opposite to the anti-locking portion of the anti-locking member.

[0017] The utility model is further provided with: a reset assembly is provided in the lock shell, and the reset assembly includes a reset push block and a reset spring slidably arranged on the lock shell, and the reset push block is placed on one side of the inner unlocking part and the outer unlocking part, and the reset push block pushes the inner unlocking part or the outer unlocking part to reset under the drive of the reset spring.

[0018] The utility model is further provided with: the outer side of the anti-locking member is connected to the lock core, and the inner side thereof is connected to the anti-locking knob.

[0019] The utility model is further provided with a magnet built into the front end of the lock tongue.

[0020] The beneficial effects of the utility model are as follows: when the door lock is in the unlocked state, a person inside the door can press down the inner handle, and the square shaft of the inner handle drives the inner unlocking piece to rotate, and the inner unlocking piece pushes the lock tongue to retract into the lock shell, thereby unlocking the door lock; a person outside the door can press down the outer handle, and the square shaft of the outer handle drives the outer unlocking piece to rotate, and the outer unlocking piece pushes the lock tongue to retract into the lock shell, thereby unlocking the door lock;

[0021] When the door is unlocked, the person inside the door only needs to lift the inside handle to drive the square shaft of the inside handle to drive the inside unlocking piece to rotate in the opposite direction. The inside unlocking piece will push the anti-locking piece to rotate to the anti-locking position, so that the anti-locking part of the anti-locking piece will abut against the locking part of the outside unlocking piece, locking the outside unlocking piece so that the outside unlocking piece cannot rotate forward to drive the lock tongue, thereby realizing the anti-locking of the door lock. Similarly, when the person outside the door lifts the outside handle to cause the outside unlocking piece to push the anti-locking piece to rotate to the anti-locking position, the locking part on the outside unlocking piece will abut against the anti-locking part of the anti-locking piece, realizing the anti-locking of the door lock.

[0022] The door lock is provided with only a single lock tongue in the lock body, and the anti-locking member for anti-locking the door lock is driven by the inner unlocking member and the outer unlocking member to anti-lock, thereby reducing the internal parts of the lock body, simplifying the internal structure of the lock body, thereby reducing the volume of the lock body and effectively reducing the production cost of the lock body. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a diagram showing the unlocked state of a magnetic door lock body of the present invention;

[0024] Figure 2 This is a diagram of the anti-locking state of the magnetic door lock body of the utility model;

[0025] Figure 3 This is a structural diagram of an anti-locking component of a magnetic door lock body of the present invention;

[0026] Figure 4 This is a structural diagram of a lock tongue of a magnetic door lock body of the present invention;

[0027] Figure 5 This is a diagram showing the coordination between the inner unlocking part and the anti-locking part of a magnetic door lock body of the present invention;

[0028] Figure 6 This is a diagram showing the cooperation between the outer unlocking part and the anti-locking part of a magnetic door lock body in the unlocked state;

[0029] Figure 7 This is a diagram showing the cooperation between the outer unlocking part and the anti-locking part of the magnetic door lock body in the anti-locking state of the utility model;

[0030] Explanation of the accompanying drawings: 1. Lock shell; 2. Lock tongue; 21. Unlocking part; 3. Inner unlocking part; 4. Outer unlocking part; 41. Unlocking plate; 42. Locking plate; 421. Locking part; 5. Inner handle square shaft; 6. Outer handle square shaft; 7. Anti-locking assembly; 71. Anti-locking part; 711. Inner matching part; 712. Outer matching part; 713. Anti-locking part; 72. Positioning torsion spring; 8. Reset assembly; 81. Reset push block; 82. Reset spring. DETAILED DESCRIPTION

[0031] Refer to the attached Figures 1 to 7 The utility model is further described in detail on a magnetic door lock body.

[0032] A magnetic door lock body comprises a lock shell 1 and a lock tongue 2 which is slidably arranged in the lock shell 1; a magnet is built into the front end of the lock tongue 2, and the lock tongue 2 automatically extends out of the lock shell 1 and is placed in the lock box under the magnetic attraction of the magnet of the buckle box in the door frame; an inner unlocking part 3 and an outer unlocking part 4 which are used to push the lock tongue 2 back into the lock shell 1 are rotatably arranged in the lock shell 1, the inner unlocking part 3 is connected to the inner handle square shaft 5, and the outer unlocking part 4 is connected to the outer handle square shaft 6, wherein the inner handle square shaft 5 is connected to the outer handle The square shaft 6 is set in a split manner, the inner handle square shaft 5 is connected to the inner handle, and the outer handle square shaft 6 is connected to the outer handle; when the door lock is in the unlocked state, the person inside the door can press down the inner handle, and the inner handle square shaft 5 drives the inner unlocking member 3 to rotate, and the inner unlocking member 3 pushes the lock tongue 2 to retract the lock shell 1, thereby unlocking the door lock; the person outside the door can press down the outer handle, and the outer handle square shaft 6 drives the outer unlocking member 4 to rotate, and the outer unlocking member 4 pushes the lock tongue 2 to retract the lock shell 1, thereby unlocking the door lock;

[0033] A reverse locking assembly 7 is provided on one side of the external unlocking member 4. The reverse locking assembly 7 includes a reverse locking member 71 rotatably provided on the lock housing 1 and a positioning torsion spring 72. One end of the positioning torsion spring 72 is connected to the lock housing 1, and the other end is connected to the reverse locking member 71. The positioning torsion spring 72 stably locks the reverse locking member 71 in the unlocking position or the reverse locking position.

[0034] When the lock is unlocked, the latch 713 of the latch 7 is unlocked and the latch 7 is in the unlock state, so that the lock 7 can be unlocked by the spring 720. When the lock 7 is unlocked, the latch 7 can be unlocked by the spring 720. When the lock 7 is unlocked, the latch 7 can be unlocked by the spring 720.

[0035] The outer side of the anti-locking member 71 is connected to the lock cylinder, and the inner side thereof is connected to the anti-locking knob; wherein the person inside the door can switch the anti-locking member 71 between the anti-locking position and the unlocking position by rotating the anti-locking knob; the person outside the door can rotate the lock cylinder with a key to drive the anti-locking member 71 to rotate, thereby releasing the anti-locking member 71 from locking the door lock;

[0036] The door lock is only provided with a single lock tongue 2 in the lock body, and the anti-locking member 71 for anti-locking the door lock is driven by the inner unlocking member 3 and the outer unlocking member 4 to perform anti-locking, thereby reducing the internal parts of the lock body, simplifying the internal structure of the lock body, thereby reducing the volume of the lock body and effectively reducing the production cost of the lock body.

[0037] When the lock body 71 is in the unlock state, the latch 7 is in the unlock state, and the latch 7 is in the unlock state, so that the lock body 71 can be unlocked and the door 70 can be unlocked, thereby unlocking the door 70 in the unlock state.

[0038] The rear end of the lock tongue 2 is provided with an unlocking portion 21, and the unlocking portion 21 is arranged opposite to the lower end of the anti-locking member 71; when the anti-locking member 71 is in the anti-locking position, that is, the door lock is in the anti-locking state, the person inside the door presses down the inner handle to drive the inner unlocking member 3 to rotate, so that the inner unlocking member 3 pushes the lock tongue 2 to retract the lock shell 1, and the unlocking portion 21 will push the anti-locking member 71 to rotate in the opposite direction, so that the anti-locking member 71 rotates to the unlocking position, so as to automatically release the anti-locking of the door lock; thereby preventing the door lock from being in the anti-locking state after people close the door again.

[0039] The external unlocking part 4 includes an unlocking plate 41 and a locking plate 42 which are separately arranged, and the locking portion 421 is arranged on the locking plate 42 and is arranged opposite to the anti-locking portion 713 of the anti-locking part 71; wherein the unlocking plate 41, the locking plate 42 and the internal unlocking part 3 are stacked in sequence inside and outside, and the unlocking plate 41 and the locking plate 42 are jointly connected to the square shaft of the outer handle 6, and the internal unlocking part 3 and the locking plate 42 are arranged to rotate relative to each other.

[0040] A reset assembly 8 is provided in the lock housing 1, and the reset assembly 8 includes a reset push block 81 and a reset spring 82 slidably arranged on the lock housing 1. The reset push block 81 is placed on one side of the inner unlocking member 3 and the outer unlocking member 4. When the inner handle or the outer handle is used to unlock or lock, the inner unlocking member 3 or the outer unlocking member 4 will squeeze the reset push block 81 backward, and the reset push block 81 will squeeze the reset spring 82. After the inner handle or the outer handle is released, the reset push block 81 pushes the inner unlocking member 3 or the outer unlocking member 4 to reset under the drive of the reset spring 82, thereby driving the inner handle or the outer handle to reset at the same time.

[0041] The above description is merely a preferred embodiment of the present invention. The scope of protection of the present invention is not limited to the above embodiment. All technical solutions based on the concept of the present invention are within the scope of protection of the present invention. It should be noted that for those skilled in the art, certain improvements and modifications that do not depart from the principles of the present invention should also be considered within the scope of protection of the present invention.

Claims

1. A magnetic door lock body, comprising a lock housing and a lock tongue slidably disposed within the lock housing; wherein: An inner unlocking member and an outer unlocking member are rotatably provided in the lock housing for pushing the lock tongue to retract into the lock housing, the inner unlocking member is connected to the inner handle square shaft, and the outer unlocking member is connected to the outer handle square shaft; A reverse locking assembly is provided on one side of the external unlocking member, and the reverse locking assembly includes a reverse locking member rotatably arranged on the lock housing and a positioning torsion spring, wherein one end of the positioning torsion spring is connected to the lock housing and the other end is connected to the reverse locking member; The inner handle square shaft drives the inner unlocking member to rotate in the opposite direction, and the inner unlocking member pushes the anti-locking member to rotate to the anti-locking position, so that the anti-locking portion of the anti-locking member abuts against the locking portion of the outer unlocking member.

2. The magnetic door lock body according to claim 1, characterized in that: An inner matching portion is provided on one side of the anti-locking member, and the inner matching portion is arranged opposite to the inner unlocking member; The inner handle square shaft pushes the inner unlocking part to rotate in the opposite direction, and the inner unlocking part pushes the inner matching part to rotate the anti-locking part to the anti-locking position.

3. The magnetic door lock body according to claim 2, characterized in that: An external matching portion is provided on the other side of the anti-locking member, and the external matching portion is arranged opposite to the external unlocking member; The outer handle square shaft pushes the outer unlocking member to rotate in the opposite direction, and the outer unlocking member pushes the outer matching portion to rotate the anti-locking member to the anti-locking position.

4. A magnetic door lock body according to claim 1, 2 or 3, characterized in that: The rear end of the lock tongue is provided with an unlocking portion, and the unlocking portion is arranged opposite to the lower end of the anti-locking member; When the anti-locking member is in the anti-locking position, the inner unlocking member pushes the lock tongue to retract into the lock housing, and the unlocking portion pushes the anti-locking member to rotate in the opposite direction to the unlocking position.

5. The magnetic door lock body according to claim 4, characterized in that: The external unlocking member includes an unlocking plate and a locking plate which are separately provided, and the unlocking plate and the locking plate are jointly connected to the square shaft of the external handle; The locking portion is arranged on the locking plate and is arranged opposite to the anti-locking portion of the anti-locking member.

6. The magnetic door lock body according to claim 5, characterized in that: A reset assembly is provided in the lock housing, which includes a reset push block and a reset spring slidably arranged on the lock housing. The reset push block is placed on one side of the inner unlocking part and the outer unlocking part. The reset push block pushes the inner unlocking part or the outer unlocking part to reset under the drive of the reset spring.

7. The magnetic door lock body according to claim 5, characterized in that: The outer side of the anti-locking piece is connected to the lock core, and the inner side of the anti-locking piece is connected to the anti-locking knob.

8. The magnetic door lock body according to claim 5, characterized in that: A magnet is built into the front end of the lock tongue.