Magnetic single-bolt lock body with back locking function
By designing a magnetic single locking body with anti-locking function, the combination of the locking tongue and magnets is used to solve the problem that the existing single locking tongue door lock lacks anti-locking function, realizing the anti-locking and anti-theft functions of the door lock, while reducing manufacturing costs.
Patent Information
- Application Number
- CN202422035505.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-21
- Publication Date
- 2025-06-17
- Estimated Expiration
- 2034-08-21
AI Technical Summary
The existing single-locking tongue door lock lacks anti-locking function and cannot effectively prevent theft. It has a complex structure and large size, resulting in high manufacturing costs.
A magnetic single locking tongue lock body with anti-lock function is designed, which uses a sliding locking tongue in the lock shell and a buckle box with built-in magnets. Through the cooperation of the anti-locking part and the unlocking part, the locking tongue can be anti-locked and unlocked.
It realizes the anti-locking function of door locks, ensures privacy in the affordable room, and has anti-theft function, reducing manufacturing costs.
Smart Images
Figure CN222991307U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of door locks, and more specifically, it relates to a magnetic single lock tongue lock body with an anti-lock function. Background Art
[0002] A door lock is an essential security device for preventing wind and theft. In order to simultaneously achieve the functions of preventing wind and theft, an upper lock tongue and a lower lock tongue are arranged in the lock body of the existing door lock;
[0003] However, the lock body with double lock tongues needs to have a space for accommodating the upper lock tongue and the lower lock tongue, which makes the volume and size of the lock body larger, the door lock structure complex, and thus the manufacturing cost higher; in order to reduce the size of the lock body and the manufacturing cost of the lock body, the indoor lock is manufactured into a door lock with a single lock tongue, but the existing single lock tongue lock body does not have an anti-lock function; as a result, the door lock does not have an anti-theft function, and at the same time, due to the lack of an anti-lock function, people outside the door can open the door, resulting in the privacy of the people inside the room not being guaranteed. Content of the Utility Model
[0004] Aiming at the deficiencies of the existing technology, the purpose of the utility model is to provide a magnetic single lock tongue lock body with an anti-lock function.
[0005] To achieve the above purpose, the utility model provides the following technical solutions:
[0006] A magnetic single lock tongue lock body with an anti-lock function includes a lock body and a buckle box with a first magnet built in. The lock body includes a lock shell, and a lock tongue is slidably arranged in the lock shell; the first magnet in the buckle box can suck the lock tongue in the lock shell outwards and place it in the buckle box; an unlocking member is rotatably arranged in the lock shell, and the unlocking member can drive the lock tongue to retract into the lock shell;
[0007] An unlocking member is rotatably arranged in the lock shell, and the unlocking member can drive the lock tongue to retract into the lock shell;
[0008] An anti-lock member is movably arranged back and forth in the lock shell. The anti-lock member is arranged opposite to the unlocking member, and its rear end penetrates out of the lock shell;
[0009] When the anti-lock member is pressed forward, the anti-lock plate on the anti-lock member abuts against the unlocking member to prevent the unlocking member from rotating.
[0010] The utility model is further provided that: one end of the unlocking member is bent to be provided with a locking groove adapted to the anti-lock plate, and the anti-lock plate is placed in the locking groove to lock the unlocking member.
[0011] The utility model is further provided that: a connecting sleeve for connecting a door handle is rotatably arranged in the lock shell;
[0012] The unlocking member is arranged between the lock tongue and the connecting sleeve, and is provided with a reset torsion spring; one end of the unlocking member is engaged with the lock tongue, and the other end is engaged with the connecting sleeve;
[0013] When the anti-locking member is in the unlocking position, the connecting sleeve drives the unlocking member to rotate, and the unlocking member will push the lock tongue back into the lock housing and compress the reset torsion spring.
[0014] The present utility model is further provided that: one end of the connecting sleeve facing the unlocking member is provided with a pushing arm, and the pushing arm abuts against the rear abutting portion of the unlocking member.
[0015] The present utility model is further provided that: the rear end of the lock tongue is upwardly warped to be provided with a mating portion, and the mating portion abuts against the front abutting portion of the unlocking member.
[0016] The present utility model is further provided that: a second magnet that attracts the first magnet is arranged in the lock tongue.
[0017] The beneficial effects of the present utility model are as follows: the lock body installed on the door leaf and the buckle box with the first magnet installed on the door frame. After closing the door leaf, the first magnet in the buckle box can suck the lock tongue in the lock housing outwards and place it in the buckle box to lock the door leaf on the door frame; when it is necessary to anti-lock the door lock, the person inside the door only needs to push the anti-locking member forward to make the anti-locking member move towards the unlocking member side. The anti-lock plate on the anti-locking member abuts against the unlocking member to prevent the unlocking member from rotating, so that the unlocking member cannot drive the lock tongue to retract into the lock housing, realizing the anti-lock of the door lock, ensuring the privacy inside the room, and at the same time playing a anti-theft function;
[0018] The person inside the door pulls the anti-locking member in the reverse direction to make the anti-locking member move away from the unlocking member, and the anti-lock plate will be separated from the unlocking member to unlock the lock; then by driving the unlocking member to rotate, the lock tongue is driven to overcome the suction force of the first magnet and retract into the lock housing; realizing the unlocking operation of the door lock, and the unlocking is simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic structural view of a magnetic single-lock-tongue lock body with an anti-lock function according to the present utility model;
[0020] Figure 2 It is an internal structural view of a magnetic single-lock-tongue lock body with an anti-lock function according to the present utility model;
[0021] Figure 3 It is an unlocking cooperation view of a magnetic single-lock-tongue lock body with an anti-lock function according to the present utility model;
[0022] Figure 4 It is a cooperation view of the anti-locking member and the unlocking member of a magnetic single-lock-tongue lock body with an anti-lock function according to the present utility model;
[0023] Figure 5 Structural schematic diagram of the unlocking member of a magnetic single-lock tongue lock body with an anti-locking function according to the present utility model;
[0024] Figure 6 Installation diagram of the anti-locking member of a magnetic single-lock tongue lock body with an anti-locking function according to the present utility model on the lock case;
[0025] Figure 7 Structural schematic diagram of the lock tongue of a magnetic single-lock tongue lock body with an anti-locking function according to the present utility model;
[0026] Figure 8 Structural schematic diagram of the buckle box of a magnetic single-lock tongue lock body with an anti-locking function according to the present utility model;
[0027] Explanation of reference numerals: 1, lock body; 11, lock case; 111, lock tongue; 1111, mating portion; 1112, second magnet; 112, unlocking member; 1121, locking groove; 1122, reset torsion spring; 1123, rear abutting portion; 1124, front abutting portion; 113, anti-locking member; 1131, anti-locking plate; 1132, limiting step; 114, connecting sleeve; 1141, pushing arm; 2, buckle box; 21, first magnet. Detailed description of the specific implementation
[0028] Refer to the attached Figures 1 to 8 A further detailed description is given to a magnetic single-lock tongue lock body with an anti-locking function according to the present utility model.
[0029] A magnetic single-lock tongue lock body with an anti-locking function includes a lock body 1 and a buckle box 2 with a first magnet 21 built therein. The lock body 1 is installed inside the door leaf, and the buckle box 2 is installed on the door frame. The lock body 1 includes a lock case 11, and a lock tongue 111 is slidably arranged inside the lock case 11. A second magnet 1112 that attracts the first magnet 21 is arranged inside the lock tongue 111;
[0030] The first magnet 21 inside the buckle box 2 and the second magnet 1112 cooperate to suck the lock tongue 111 inside the lock case 11 outwards and place it inside the buckle box 2. An unlocking member 112 is rotatably arranged inside the lock case 11, and the unlocking member 112 can drive the lock tongue 111 to retract into the lock case 11;
[0031] An unlocking member 112 is rotatably arranged inside the lock case 11, and the unlocking member 112 can drive the lock tongue 111 to retract into the lock case 11;
[0032] An anti-locking member 113 is arranged to move back and forth inside the lock case 11. The anti-locking member 113 is arranged opposite to the unlocking member 112, and its rear end passes out of the lock case 11;
[0033] Press the anti-lock member 113 forward, and the anti-lock plate 1131 on the anti-lock member 113 abuts against the unlocking member 112 to prevent the unlocking member 112 from rotating, realizing the anti-lock of the lock tongue 111;
[0034] After closing the door leaf, the first magnet 21 in the buckle box 2 cooperates with the second magnet 1112 to suck the lock tongue 111 in the lock housing 11 outwards and place it in the buckle box 2 to lock the door leaf on the door frame; when it is necessary to anti-lock the door lock, the person inside the door only needs to push the anti-lock member 113 forward, so that the anti-lock member 113 moves towards the unlocking member 112 side, and the anti-lock plate 1131 on the anti-lock member 113 abuts against the unlocking member 112 to prevent the unlocking member 112 from rotating. Therefore, the unlocking member 112 cannot drive the lock tongue 111 to retract into the lock housing 11, realizing the anti-lock of the door lock, ensuring the privacy inside the room, and playing a theft prevention function at the same time;
[0035] The person inside the door pushes the anti-lock member 113 in the reverse direction, so that the anti-lock member 113 moves away from the unlocking member 112, and the anti-lock plate 1131 will be separated from the unlocking member 112 to unlock; then by driving the unlocking member 112 to rotate, the lock tongue 111 is driven to overcome the suction force of the first magnet 21 and retract into the lock housing 11; realizing the unlocking operation of the door lock, which is simple and convenient to unlock.
[0036] One end of the unlocking member 112 is bent and provided with a locking groove 1121 adapted to the anti-lock plate 1131. The anti-lock plate 1131 is placed in the locking groove 1121, and the anti-lock plate 1131 catches the unlocking member 112, so that the unlocking member 112 cannot rotate in the lock housing 11 to lock the unlocking member 112; realizing the anti-lock of the door lock; a limiting step 1132 is provided on the lower end of the anti-lock member 113. After the anti-lock member 113 moves downward, the limiting step 1132 will abut against the lock housing 11 to limit the further movement of the anti-lock member 113.
[0037] A connecting sleeve 114 for connecting the door handle is rotatably provided in the lock housing 11; the unlocking member 112 is arranged between the lock tongue 111 and the connecting sleeve 114, and a reset torsion spring 1122 is provided; one end of the unlocking member 112 cooperates with the lock tongue 111, and the other end cooperates with the connecting sleeve 114;
[0038] When the anti-lock member 113 is in the unlocking position, the connecting sleeve 114 drives the unlocking member 112 to rotate, and the unlocking member 112 will push the lock tongue 111 to retract into the lock housing 11 and compress the reset torsion spring 1122. After releasing the door handle, the unlocking member 112 rotates in the reverse direction and is separated from the lock tongue 111 under the elastic force of the reset torsion spring 1122;
[0039] When people close the door leaf again, the lock tongue 111 can be re-extended out of the lock housing 11 under the magnetic force of the first magnet 21 in the buckle box 2 and placed in the buckle box 2.
[0040] One end of the connecting sleeve 114 facing the unlocking member 112 is provided with a pushing arm 1141, and the pushing arm 1141 abuts against the rear abutting portion 1123 of the unlocking member 112; the rear end of the locking tongue 111 is upturned to be provided with a matching portion 1111, and the matching portion 1111 abuts against the front abutting portion 1124 of the unlocking member 112; by pressing down the door handle to drive the connecting sleeve 114 to rotate, the connecting sleeve 114 pushes the rear abutting portion 1123 through the pushing arm 1141 to drive the unlocking member 112 to rotate, and the rotating unlocking member 112 pushes the matching portion 1111 through the front abutting portion 1124 to drive the locking tongue 111 to retract into the lock housing 11, realizing the linkage among the connecting sleeve 114, the unlocking member 112 and the locking tongue 111.
[0041] The above are only the preferred embodiments of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions falling within the idea of the present invention belong to the protection scope of the present invention. It should be noted that for those of ordinary skill in the art, several improvements and refinements made without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.
Claims
1. A magnetic single-bolt lock body with reverse locking function, comprising a lock body and a buckle box with a first magnet built in, the lock body comprising a lock shell, a lock bolt being slidably disposed in the lock shell; the first magnet in the buckle box can suck the lock bolt in the lock shell outward and place it in the buckle box; the characteristics are: An unlocking member is rotatably arranged in the lock housing, and the unlocking member can drive the lock tongue to retract into the lock housing; A reverse locking member is arranged in the lock housing for forward and backward movement, the reverse locking member is arranged opposite to the unlocking member, and the rear end portion thereof passes through the lock housing; The anti-locking member is pressed forward, and the anti-locking plate on the anti-locking member abuts against the unlocking member to prevent the unlocking member from rotating.
2. The magnetic single-bolt lock body with reverse locking function according to claim 1, characterized in that: One end of the unlocking piece is bent to form a locking groove matched with the anti-locking plate, and the anti-locking plate is placed in the locking groove to lock the unlocking piece.
3. A magnetic single-bolt lock body with reverse locking function according to claim 1 or 2, characterized in that: A connecting sleeve for connecting to a door handle is rotatably arranged in the lock housing; The unlocking member is arranged between the lock tongue and the connecting sleeve, and is provided with a return torsion spring; one end of the unlocking member matches with the lock tongue, and the other end matches with the connecting sleeve; When the anti-locking member is in the unlocking position, the connecting sleeve drives the unlocking member to rotate, and the unlocking member pushes the lock tongue to retract into the lock housing and compresses the reset torsion spring.
4. The magnetic single-bolt lock body with reverse locking function according to claim 3 is characterized in that: A push arm is provided at one end of the connecting sleeve facing the unlocking member, and the push arm abuts against the rear abutting portion of the unlocking member.
5. The magnetic single-bolt lock body with reverse locking function according to claim 4 is characterized in that: The rear end of the lock tongue is tilted upwards and is provided with a matching portion, and the matching portion abuts against the front abutting portion of the unlocking piece.
6. A magnetic single-bolt lock body with reverse locking function according to claim 1 or 2, characterized in that: A second magnet attracted to the first magnet is arranged in the lock tongue.