Mechanical self-locking body anti-misfire triggering mechanism

Abstract

The utility model discloses a kind of mechanical self-locking body anti-misoperation triggering mechanism, detection tongue assembly, latch assembly, separating piece and lock tongue trigger starting hook assembly are equipped in lock body, the front end of lock tongue limiting plate is rotatably connected with linkage rod end, side end is abutted or separated with latch assembly lower part, and lower end is abutted or separated with lock tongue poking plate lower part side face;Lock tongue inner lower part is equipped with lock tongue limiting groove, lock tongue middle part is equipped with lock tongue bevel groove, lock tongue poking plate lower part is connected in lock tongue limiting groove place by shaft, lock tongue poking plate upper part is connected in lock tongue bevel groove by stud.In the case where detection tongue and latch are withdrawn into lock body simultaneously when door is opened and closed, release latch main lock tongue automatic pop-up locking under the condition that detection tongue suppression does not change;In single press latch or press detection tongue and latch simultaneously and release in and out main lock tongue simultaneously, locking is not triggered, solve the collision damage of lock body and door caused by single condition self-locking body misoperation triggering, and it is more power saving to use with intelligent lock.

Description

Technical Field

[0001] This utility model relates to the field of mechanical locks, and in particular to a mechanism for preventing accidental triggering of a mechanical self-spring lock body. Background Technology

[0002] In daily life and work, locks are essential tools for protecting property and personal safety. Traditional mechanical locks require manual operation of keys or handles to lock and unlock. People expect locks to be more convenient, with automatic mechanical locks eliminating the need for manual bolt operation and automatically locking and verifying when the door is closed, meeting the demands of a fast-paced lifestyle. However, existing automatic mechanical locks have the following shortcomings: the self-springing trigger condition is a single condition that causes the main bolt to spring out. Even when the door is open, touching the detection bolt will cause the main bolt to spring out, and if the door is not fully closed and is reopened, the main bolt will also spring out. Closing the door in this unpredictable state can lead to the main bolt colliding with the doorway, preventing the door from closing properly, and damaging both the lock body and the door.

[0003] Meanwhile, although existing electronic lock bodies on the market have anti-accidental triggering functions, electronic lock bodies are expensive and consume a lot of power, while existing mechanical self-spring lock bodies do not have anti-accidental triggering functions.

[0004] In order to solve the problems existing in the background technology, this utility model provides a mechanical self-locking anti-accidental triggering mechanism. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by providing a mechanical self-locking mechanism to prevent accidental triggering.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: A mechanism to prevent accidental triggering of a mechanical self-locking lock includes a guide plate, a lock body, a bolt assembly, and a bolt actuating plate assembly. The bolt assembly includes a bolt, a linkage rod, a bolt limiting groove, a bolt actuating plate, and a bolt limiting plate. The lock body also includes a detection bolt assembly, a bevel bolt assembly, a separation plate, and a bolt triggering hook assembly. The front end of the bolt limiting plate is rotatably connected to the end of the linkage rod, its side end abuts or separates from the lower part of the bevel bolt assembly, and its lower end abuts or separates from the lower side of the bolt actuating plate. The lower part of the bolt has a bolt limiting groove, and the middle part of the bolt has a bolt bevel groove. The lower part of the bolt actuating plate is connected to the bolt limiting groove via a main bolt, and the upper part of the bolt actuating plate is connected to the bolt bevel groove via a side bolt. The detection mechanism detects that the end of the tongue assembly hooks with the separating plate, the lower part of the separating plate abuts against the upper part of the tongue triggering hook assembly, the rear end of the tongue limiting plate abuts against the lower part of the tongue fixing plate of the tongue assembly, and the lower end abuts against the lower side of the tongue actuating plate; or the detection mechanism detects that the end of the tongue assembly separates from the separating plate, the lower part of the separating plate separates from the upper part of the tongue triggering hook assembly, the rear end of the tongue limiting plate presses down on the tongue bottom plate of the tongue assembly and separates from the tongue fixing plate, and the lower end separates from the lower side of the tongue actuating plate, and the tongue triggering hook assembly separates from the lower part of the separating plate, and one side is hooked to the tongue side hook on the side of the tongue.

[0007] Furthermore, the latch trigger start hook assembly includes a start hook, a start hook limiting plate, and a start hook spring. The lower end of the start hook is rotatably connected to one end of the start hook limiting plate. One end of the start hook spring is connected to the start hook limiting plate, and the other end is connected to the lock body. The end of the start hook is provided with a limiting plate end hook, which is separated from or hooked to the latch side hook in the middle of the latch.

[0008] Furthermore, a torsion spring is sleeved on the lower part of the latch actuating plate. One end of the torsion spring abuts against the actuating plate stud on the latch actuating plate, and the other end abuts against the lock body stud inside the lock body.

[0009] Furthermore, the linkage rod has a double groove in the middle, and the double groove is connected to the lock body through a stud.

[0010] Furthermore, the detection tongue assembly includes a detection tongue, a detection tongue guide, a detection tongue limiting plate, and a detection tongue spring. The detection tongue limiting plate is fixed in the lock body. The detection tongue has a triangular cross-section. The bottom of the detection tongue is fixed to the detection tongue guide by bolts. The detection tongue limiting plate is provided at the lower part of the detection tongue guide. One end of the detection tongue spring is connected to the bottom of the detection tongue, and the other end is connected to the detection tongue limiting plate and is sleeved on the detection tongue guide. When the detection tongue is pressed down, it causes the detection tongue guide to separate from the upper part of the separation plate and is reset by the detection tongue spring.

[0011] Furthermore, the upper part of the separator is provided with a positioning post on the separator, and the tail of the detection tongue guide is bent to one side to form a guide hook, which is used to hook or separate from the positioning post on the separator.

[0012] Furthermore, the latch assembly also includes a latch and a latch spring. A latch guide is fixed at the bottom of the latch, and a fixed latch base plate is provided at the bottom of the latch guide. The latch fixing plate is connected to the lock body, and the latch guide moves in the latch fixing plate. One end of the latch spring is connected to the bottom of the latch and the other end is connected to the latch fixing plate.

[0013] Furthermore, the limiting groove of the oblique tongue guide is provided on the lock body, and the protrusions at both ends of the oblique tongue bottom plate are engaged in the limiting groove of the oblique tongue guide.

[0014] Furthermore, a reset torsion spring fixing plate is provided on one side of the inclined tongue base plate, and the inclined tongue reset torsion spring is connected to the reset torsion spring fixing plate.

[0015] Furthermore, the middle of the oblique tongue fixing piece is provided with a U-shaped notch for the oblique tongue guide to pass through and move.

[0016] The advantages of this utility model are as follows: it changes the structure of the traditional mechanical self-locking lock body and adds an anti-false triggering function. Specifically, when the door is opened and closed, the detection tongue and the latch simultaneously retract into the lock body. With the detection tongue remaining pressed down, the main lock tongue automatically pops out and locks. Pressing the latch individually or simultaneously pressing the detection tongue and the latch while simultaneously releasing the main lock tongue will not trigger locking. Therefore, it effectively solves the problem of collision damage to the lock body and door caused by false triggering of the self-locking lock body under a single condition. This structure automatically locks the door when closed, and when used with a smart lock, it is more energy-efficient. Attached Figure Description

[0017] Figure 1 This is a structural diagram of a mechanical self-locking anti-accidental triggering mechanism provided by this utility model; Figure 2 This is a front and side internal structure diagram of a mechanical self-locking anti-accidental triggering mechanism provided by this utility model; Figure 3 This utility model provides a front and side internal structure diagram of the locking tongue and oblique tongue in the retracted state of a mechanical self-spring lock body anti-accidental triggering mechanism; Figure 4 This is a reverse internal structure diagram of a mechanical self-locking anti-accidental triggering mechanism provided by this utility model; Figure 5 This utility model provides a mechanical self-locking body anti-accidental triggering mechanism internal structure diagram of the locking tongue and the tongue retracted state.

[0018] The components are as follows: 1. Guide plate; 2. Lock body; 3. Lock tongue; 4. Lock tongue actuating plate; 5. Lock tongue actuating plate torsion spring; 6. Detector tongue limiting plate; 7. Detector tongue assembly; 8. Detector tongue spring; 9. Slanted tongue assembly; 10. Separator plate; 11. Actuating hook spring; 12. Lock tongue trigger actuating hook assembly; 13. Lock tongue limiting groove; 14. Slanted tongue fixing plate; 15. Safety tongue assembly; 16. Positioning post on the separator plate; 17. Lock tongue limiting plate; 18. Slanted tongue. 19. Guide limit groove; 20. Slanted tongue reset torsion spring; 21. Reset torsion spring fixing plate; 22. Detection tongue; 23. Detection tongue guide; 24. Start hook; 25. Start hook limit plate; 26. Limit plate end hook; 27. Slanted tongue; 28. Locking tongue side hook; 29. ​​Linkage rod; 30. Locking tongue slanted groove; 31. Slanted tongue bottom plate; 32. Linkage rod double groove; 33. Locking tongue actuating plate side stud; 34. Locking tongue actuating plate main stud. Detailed Implementation

[0019] The specific solutions and embodiments of this utility model will be further described with reference to the accompanying drawings.

[0020] As shown in the figure, a mechanical self-locking anti-accidental triggering mechanism includes a guide plate 1, a lock body 2, a latch 3 assembly, and a latch actuating plate 4 assembly. The latch 3 assembly includes a latch 3, a linkage rod 29, a latch limiting groove 13, a latch actuating plate 4, and a latch limiting plate 17. The lock body 2 also includes a detection latch assembly 7, a bevel latch assembly 9, a separation plate 10, and a latch triggering hook assembly 12. The front end of the latch limiting plate 17 is rotatably connected to the end of the linkage rod 29, the side end abuts or separates from the lower part of the bevel latch assembly 9, and the lower end abuts or separates from the lower side of the latch actuating plate 4. The lower part of the latch 3 has a latch limiting groove 13, and the middle part of the latch 3 has a latch bevel groove 30. The lower part of the latch actuating plate 4 is connected to the latch limiting groove 13 via a main stud 34, and the upper part is connected to the latch bevel groove 30 via a side stud 33. The end of the detection tongue assembly 7 is hooked to the separation piece 10, the lower part of the separation piece 10 abuts against the upper part of the lock tongue trigger start hook assembly 12, the rear end of the lock tongue limiting plate 17 abuts against the lower part of the oblique tongue fixing piece 14 of the oblique tongue assembly 9, and the lower end abuts against the lower side of the lock tongue actuating plate 4; or the end of the detection tongue assembly 7 is separated from the separation piece 10, the lower part of the separation piece 10 is separated from the upper part of the lock tongue trigger start hook assembly 12, the rear end of the lock tongue limiting plate 17 presses down on the oblique tongue bottom plate 31 of the oblique tongue assembly 9 and separates from the oblique tongue fixing piece 14, and the lower end is separated from the lower side of the lock tongue actuating plate 4, and the lock tongue trigger start hook assembly 12 is separated from the lower part of the separation piece 10, and one side is hooked to the lock tongue side hook 28 on the side of the lock tongue 3.

[0021] The latch trigger start hook assembly 12 includes a start hook 23, a start hook limiting plate 24, and a start hook spring 11. The lower end of the start hook 23 is rotatably connected to one end of the start hook limiting plate 24. One end of the start hook spring 11 is connected to the start hook limiting plate 24, and the other end is connected to the lock body 2. The end of the start hook 23 is provided with a limiting plate end hook 25, which is separated from or hooked to the latch side hook 28 in the middle of the latch 3.

[0022] A torsion spring 5 is mounted on the lower part of the latch actuating plate 4. One end of the torsion spring 5 abuts against the actuating plate stud on the latch actuating plate 4, and the other end abuts against the stud of the lock body 2 inside the lock body 2.

[0023] The linkage rod 29 has a double groove 32 in the middle, and the double groove 32 is connected to the lock body 2 through a stud.

[0024] The detection tongue assembly 7 includes a detection tongue 21, a detection tongue guide 22, a detection tongue limiting plate 6, and a detection tongue spring 8. The detection tongue limiting plate 6 is fixed inside the lock body 2. The detection tongue 21 has a triangular cross-section. The bottom of the detection tongue 21 is fixed to the detection tongue guide 22 by bolts. The detection tongue limiting plate 6 is provided at the lower part of the detection tongue guide 22. One end of the detection tongue spring 8 is connected to the bottom of the detection tongue 21, and the other end is connected to the detection tongue limiting plate 6 and is sleeved on the detection tongue guide 22. When the detection tongue 21 is pressed down, it causes the detection tongue guide 22 to separate from the upper part of the separation plate 10 and is reset by the detection tongue spring 8.

[0025] The upper part of the separation plate 10 is provided with a positioning post 16 on the separation plate, and the tail of the detection tongue guide 22 is bent to one side to form a guide hook, which is used to hook or separate from the positioning post 16 on the separation plate.

[0026] The latch assembly 9 also includes a latch and a latch spring 27. A latch guide is fixed at the bottom of the latch. A latch base plate 31 is provided at the bottom of the latch guide. The latch fixing plate 14 is connected to the lock body 2, and the latch guide moves in the latch fixing plate 14. One end of the latch spring 27 is connected to the bottom of the latch and the other end is connected to the latch fixing plate 14.

[0027] The inclined tongue guide limiting groove 18 is provided on the lock body 2, and the protrusions at both ends of the inclined tongue bottom plate 31 are engaged in the inclined tongue guide limiting groove 18.

[0028] A reset torsion spring fixing plate 20 is provided on one side of the oblique tongue base plate 31, and the oblique tongue reset torsion spring 19 is connected to the reset torsion spring fixing plate 20.

[0029] The oblique tongue fixing piece 14 has a U-shaped notch in the middle for the oblique tongue guide to pass through and move.

[0030] When the door is closed, the detection tongue assembly 7 and the oblique tongue assembly 9 retract into the lock body 2 simultaneously. The detection tongue assembly 7 separates from the separation plate assembly 10, and the separation plate assembly 10 separates from the start hook assembly 23. The mounting plate presses against the detection tongue assembly 7. The start hook assembly 23 hooks to the lower part of the oblique tongue assembly 9 and to the side hook 28 of the lock tongue. When the oblique tongue assembly 9 pops out into the mounting plate, the oblique tongue fixing plate 14 pulls the lock tongue limiting plate 17 to complete the automatic locking.

[0031] The safety tongue assembly 15 is existing technology, and the safety is locked by hand. It is a separate component.

[0032] Note that the above description is merely a preferred embodiment of the present invention and the technical principles employed. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and various obvious changes, readjustments, and substitutions can be made without departing from the scope of protection of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments, and may include many other equivalent embodiments without departing from the concept of the present invention. The scope of the present invention is determined by the scope of the appended claims.

Claims

1. A mechanism for preventing accidental triggering of a mechanical self-locking body, comprising a guide plate, a lock body, a bolt assembly, and a bolt actuating plate assembly, characterized in that, The latch assembly includes a latch, a linkage rod, a latch limiting groove, a latch actuating plate, and a latch limiting plate. The lock body also includes a latch detection assembly, a latch assembly, a separating plate, and a latch trigger hook assembly. The front end of the latch limiting plate is rotatably connected to the end of the linkage rod, its side end abuts or separates from the lower part of the latch assembly, and its lower end abuts or separates from the lower side of the latch actuating plate. The lower part of the latch has a latch limiting groove, and the middle part of the latch has a latch inclined groove. The lower part of the latch actuating plate is connected to the latch limiting groove via a main stud, and the upper part of the latch actuating plate is connected to the latch inclined groove via a side stud. The detection mechanism detects that the end of the tongue assembly hooks with the separating plate, the lower part of the separating plate abuts against the upper part of the tongue triggering hook assembly, the rear end of the tongue limiting plate abuts against the lower part of the tongue fixing plate of the tongue assembly, and the lower end abuts against the lower side of the tongue actuating plate; or the detection mechanism detects that the end of the tongue assembly separates from the separating plate, the lower part of the separating plate separates from the upper part of the tongue triggering hook assembly, the rear end of the tongue limiting plate presses down on the tongue bottom plate of the tongue assembly and separates from the tongue fixing plate, and the lower end separates from the lower side of the tongue actuating plate, and the tongue triggering hook assembly separates from the lower part of the separating plate, and one side is hooked to the tongue side hook on the side of the tongue.

2. The anti-accidental triggering mechanism for a mechanical self-locking body according to claim 1, characterized in that, The latch trigger start hook assembly includes a start hook, a start hook limiting plate, and a start hook spring. The lower end of the start hook is rotatably connected to one end of the start hook limiting plate. One end of the start hook spring is connected to the start hook limiting plate, and the other end is connected to the lock body. The end of the start hook is provided with a limiting plate end hook, which is either separated from or hooked to the latch side hook in the middle of the latch.

3. The anti-accidental triggering mechanism for a mechanical self-locking body according to claim 1, characterized in that, A torsion spring is mounted on the lower part of the latch actuating plate. One end of the torsion spring abuts against the actuating plate stud on the latch actuating plate, and the other end abuts against the lock body stud inside the lock body.

4. The anti-accidental triggering mechanism for a mechanical self-locking body according to claim 1, characterized in that, The linkage rod has a double groove in the middle, and the double groove is connected to the lock body through a stud.

5. The anti-accidental triggering mechanism for a mechanical self-locking body according to claim 1, characterized in that, The detection tongue assembly includes a detection tongue, a detection tongue guide, a detection tongue limiting plate, and a detection tongue spring. The detection tongue limiting plate is fixed in the lock body. The detection tongue has a triangular cross-section. The bottom of the detection tongue is fixed to the detection tongue guide by bolts. The detection tongue limiting plate is located at the lower part of the detection tongue guide. One end of the detection tongue spring is connected to the bottom of the detection tongue, and the other end is connected to the detection tongue limiting plate and is sleeved on the detection tongue guide. When the detection tongue is pressed down, it causes the detection tongue guide to separate from the upper part of the separation plate and is reset by the detection tongue spring.

6. The anti-accidental triggering mechanism for a mechanical self-locking body according to claim 5, characterized in that, The upper part of the separator plate is provided with a positioning post on the separator plate, and the tail of the detection tongue guide is bent to one side to form a guide hook, which is used to hook or separate from the positioning post on the separator plate.

7. The anti-accidental triggering mechanism for a mechanical self-locking body according to claim 1, characterized in that, The latch assembly also includes a latch and a latch spring. A latch guide is fixed at the bottom of the latch. A fixed latch base plate is provided at the bottom of the latch guide. The latch fixing plate is connected to the lock body, and the latch guide moves in the latch fixing plate. One end of the latch spring is connected to the bottom of the latch and the other end is connected to the latch fixing plate.

8. The anti-accidental triggering mechanism for a mechanical self-locking body according to claim 7, characterized in that, The guide groove for the tongue is located on the lock body, and the protrusions at both ends of the tongue base plate are engaged in the guide groove for the tongue.

9. The anti-accidental triggering mechanism for a mechanical self-locking body according to claim 7, characterized in that, A reset torsion spring fixing plate is provided on one side of the slanted tongue base plate, and the slanted tongue reset torsion spring is connected to the reset torsion spring fixing plate.

10. The anti-accidental triggering mechanism for a mechanical self-locking body according to claim 7, characterized in that, The oblique tongue fixing plate has a U-shaped notch in the middle for the oblique tongue guide to pass through and move.

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