Automatic lock body structure

Abstract

The utility model provides an automatic lock body structure, and belongs to the technical field of door locks. The automatic door lock solves the problem that a spring bolt of an existing automatic door lock is poor in continuity. The automatic lock body structure comprises a bottom shell, an inclined tongue assembly, a main lock tongue assembly, a trigger tongue assembly and a motor transmission assembly, the inclined tongue assembly, the main lock tongue assembly, the trigger tongue assembly and the motor transmission assembly are arranged on the bottom shell, the trigger tongue assembly comprises a trigger tongue rod transversely arranged on the bottom shell in a sliding mode, a trigger tongue positioning piece fixedly arranged on the bottom shell and a switch base, and a microswitch is arranged on the switch base. The microswitch is connected with the motor transmission assembly, the trigger tongue rod is movably connected with the trigger tongue positioning piece, the motor transmission assembly is started after the innermost end of the trigger tongue rod touches the microswitch, and the motor transmission assembly is used for driving the main lock tongue to be opened and closed. Compared with the prior art, the automatic lock body structure can automatically complete the locking function of the door lock, the locking mode is reliable, and the locking principle is simple.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of intelligent lock, and relates to an automatic lock structure. BACKGROUND

[0002] Door lock is an important device for protecting safety, controlling the opening and closing of door and limiting the access of personnel, and is widely applied in family, business, public building and other places. There are various types of door lock, and the function and design are continuously evolved with the development of technology.

[0003] At present, the door locking linkage of automatic door lock is not good, and each lock tongue is basically an independent structure, and multiple lock tongues do not complete the function of inner locking. SUMMARY

[0004] The utility model aims at the problem of poor continuity of the lock tongue of the existing automatic door lock, and provides an automatic lock structure.

[0005] The utility model can be realized by the following technical scheme:

[0006] An automatic lock structure, including bottom shell and the bevel tongue subassembly, main lock tongue subassembly, trigger tongue subassembly, motor drive assembly that set on the bottom shell, trigger tongue subassembly includes the trigger tongue lever that is horizontally slidingly arranged on the bottom shell, the trigger tongue positioning sheet and switch seat that are fixedly arranged on the bottom shell, the switch seat has micro switch, micro switch is connected with motor drive assembly, trigger tongue lever is movably connected with trigger tongue positioning sheet, and the innermost end of trigger tongue lever touches micro switch, and then motor drive assembly starts, and motor drive assembly is used for driving main lock tongue to open and close.

[0007] In the above-mentioned automatic lock structure, the bevel tongue subassembly includes the bevel tongue body that is horizontally slidingly arranged on the bottom shell and the bevel tongue guard plate that is fixed on the bottom shell, bevel tongue spring is arranged between the bevel tongue guard plate and the bevel tongue body, the unlocking sliding slot of ladder shape is formed on the bevel tongue body, the ladder-shaped part of unlocking sliding slot forms ladder bayonet, unlocking sliding block is arranged in unlocking sliding slot, and the edge of unlocking sliding block is provided with ladder buckle, when ladder buckle is buckled in ladder bayonet, bevel tongue guard plate is locked.

[0008] In the above-mentioned automatic lock structure, the bottom shell is also provided with linkage piece, and the trigger tongue lever is provided with the driving piece, one end of linkage piece is located on the movement path of driving piece, the other end of linkage piece is connected on a small unlocking piece, and the small unlocking piece is fixed on the base through unlocking driving piece reset spring, and one end of small unlocking piece is connected with unlocking sliding block, when small unlocking piece is deflected, unlocking sliding block is moved to make ladder buckle and ladder bayonet separate and complete unlocking.

[0009] In the above-mentioned automatic lock body structure, the main lock tongue assembly includes a main lock tongue body that is laterally slidably disposed on the bottom shell and a lever arm that is rotatably disposed on the bottom shell, and a main lock tongue spring is provided between the lever arm and the bottom shell.

[0010] In the aforementioned automatic lock body structure, the motor transmission assembly includes a motor element mounted on the base for providing unlocking power, a circuit board for receiving electrical signals and executing the start and stop of the motor element, and a mechanical structure for transmitting power to operate the latch assembly and the main bolt assembly.

[0011] Compared with existing technologies, this automatic lock body structure can automatically complete the locking function of the door lock, the locking method is reliable, and the locking principle is simple. Attached Figure Description

[0012] Fig. 1 This is a structural diagram of the automatic lock body in the locked state.

[0013] Fig. 2 This is a structural diagram of the automatic lock body in the unlocked state;

[0014] Fig. 3 This is a structural diagram of the lock cylinder in the unlocked state of this automatic lock body;

[0015] Fig. 4 This is an exploded view of the automatic lock body structure;

[0016] In the diagram: 1. Base shell; 2. Trigger tongue rod; 3. Trigger tongue positioning plate; 4. Switch base; 5. Micro switch; 6. Slanted tongue body; 7. Slanted tongue guard plate; 8. Slanted tongue spring; 9. Unlocking slide; 10. Unlocking slider; 11. Main locking tongue body; 12. Toggle arm; 13. Main locking tongue spring; 14. Linkage plate; 15. Toggle plate; 16. Small unlocking plate; 17. Unlocking toggle plate return spring; 18. Motor components; 19. Circuit board. Detailed Implementation

[0017] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0018] like Figs. 1-4 As shown, the automatic lock body structure includes a base shell 1 and a bolt assembly, a main bolt assembly, a trigger bolt assembly, and a motor drive assembly disposed on the base shell 1.

[0019] The trigger tongue assembly comprises a trigger tongue rod 2 horizontally sliding on the bottom shell 1, a trigger tongue positioning sheet 3 fixed on the bottom shell 1, and a switch seat 4 provided with a micro switch 5 connected with the motor transmission assembly, the trigger tongue rod 2 is movably connected with the trigger tongue positioning sheet 3, and the innermost end of the trigger tongue rod 2 touches the micro switch 5 to start the motor transmission assembly.

[0020] The latch tongue assembly comprises a latch tongue body 6 horizontally sliding on the bottom shell 1 and a latch tongue guard 7 fixed on the bottom shell 1, and a latch spring 8 is arranged between the latch tongue guard 7 and the latch tongue body 6, a stepped unlocking sliding groove 9 is formed in the latch tongue body 6, the stepped part of the unlocking sliding groove 9 forms a stepped clamping hole, and an unlocking sliding block 10 is arranged in the unlocking sliding groove 9, and the edge of the unlocking sliding block 10 is provided with a stepped clamping buckle, and when the stepped clamping buckle is buckled in the stepped clamping hole, the latch tongue guard 7 is locked.

[0021] The main latch tongue assembly comprises a main latch tongue body 11 horizontally sliding on the bottom shell 1 and a push arm 12 rotatably arranged on the bottom shell 1, and a main latch spring 13 is arranged between the push arm 12 and the bottom shell 1.

[0022] The bottom shell 1 is further provided with a linkage sheet 14 rotatably arranged thereon, and the trigger tongue rod 2 is provided with a push sheet 15, one end of the linkage sheet 14 is located in the movement path of the push sheet 15, and the other end of the linkage sheet 14 is connected to a small unlocking sheet 16, the small unlocking sheet 16 is fixed on the bottom shell through an unlocking push sheet return spring 17, and one end of the small unlocking sheet 16 is in butt joint with the unlocking sliding block 10, when the small unlocking sheet 16 is deflected, the unlocking sliding block 10 is moved to disengage the stepped clamping buckle from the stepped clamping hole, and the unlocking is completed.

[0023] The motor transmission assembly comprises a motor element 18 arranged on the bottom shell for providing unlocking power, a circuit board 19 for receiving electrical signals and executing start and stop of the motor element, and a mechanical structure part for transmitting power to operate the latch tongue assembly and the main latch tongue assembly.

[0024] During the locking process, there are various ways to achieve it:

[0025] By compressing the trigger tongue rod 2 and the latch tongue body 6, the latch tongue body is retracted and ejected to give a locking signal to the motor transmission assembly, and the main latch tongue is ejected to lock;

[0026] Or by compressing the trigger tongue rod 2, the push sheet 15 is pushed to the linkage sheet 14, under the action of the compression of the trigger spring, the compression force of the linkage sheet 14 is released, and the small unlocking sheet 16 is pushed by the torsional force of the small unlocking sheet 16 spring to move upward, and the latch is locked.

[0027] There are also various ways to achieve the unlocking process:

[0028] The unlocking signal is given through the panel to make the motor transmission assembly work to open and close the latch bolt and the main lock bolt.

[0029] Or the mechanical key rotating mechanism drives the lock core unlocking button to open and close the latch bolt and the main lock bolt.

[0030] It should be understood that in the claims, the specification and the drawings of the utility model, all "include" should be understood as open meaning, that is, its meaning is equivalent to "at least contains", and should not be understood as closed meaning, that is, its meaning should not be understood as "only contains".

[0031] The specific embodiments described herein are merely illustrative of the spirit of the utility model. Those skilled in the art to which the utility model belongs can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the utility model or exceed the range defined by the attached claims.

Claims

1. An automatic lock body structure, characterized by: The latch assembly comprises a bottom shell, an inclined tongue assembly, a main lock tongue assembly, a trigger tongue assembly and a motor transmission assembly arranged on the bottom shell. The trigger tongue assembly comprises a trigger tongue rod horizontally sliding on the bottom shell, a trigger tongue positioning sheet fixed on the bottom shell and a switch seat having a micro switch. The micro switch is connected with the motor transmission assembly. The trigger tongue rod is movably connected with the trigger tongue positioning sheet. The motor transmission assembly is started after the innermost end of the trigger tongue rod touches the micro switch. The motor transmission assembly is used to drive the main lock tongue to open and close.

2. The automatic lock body structure according to claim 1, characterized in that: The inclined tongue assembly comprises an inclined tongue body horizontally sliding on the bottom shell and an inclined tongue guard fixed on the bottom shell. A inclined tongue spring is arranged between the inclined tongue guard and the inclined tongue body. A stepped unlocking sliding groove is formed on the inclined tongue body. A stepped notch is formed on the stepped unlocking sliding groove. An unlocking sliding block is arranged in the unlocking sliding groove. A stepped buckle is arranged on the edge of the unlocking sliding block. The stepped buckle is buckled with the unlocking sliding groove on the inclined tongue through the inclined tongue guard to complete the locking of the inclined tongue.

3. The automatic lock body structure according to claim 2, wherein: A linkage sheet is rotatably arranged on the bottom shell. A pushing sheet is arranged on the trigger tongue rod. One end of the linkage sheet is located on the moving path of the pushing sheet. The other end of the linkage sheet is connected with a small unlocking sheet. The small unlocking sheet is fixed on the bottom shell through an unlocking pushing spring. One end of the small unlocking sheet is connected with the unlocking sliding block. When the small unlocking sheet is deflected, the unlocking sliding block is moved to make the stepped buckle and the stepped notch disengage to complete the unlocking.

4. The automatic lock body structure according to claim 1 or 2, characterized in that: The main lock tongue assembly comprises a main lock tongue body horizontally sliding on the bottom shell and a pushing arm rotatably arranged on the bottom shell. A main lock spring is arranged between the pushing arm and the bottom shell.

5. The automatic lock body structure according to claim 1 or 2, wherein: The motor transmission assembly comprises a motor element arranged on the bottom shell for providing unlocking power, a circuit board for receiving electric signals and executing the start and stop of the motor element and a mechanical structure part for transmitting power to operate the inclined tongue assembly and the main lock tongue assembly.

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