Mechanical automatic lock body anti-false-triggering structure
By coordinating the design of guide plates and components, the problem of damage to the lock body and door caused by accidental triggering of the mechanical automatic lock body has been solved, and a stable automatic locking function has been achieved.
Patent Information
- Application Number
- CN202520426576.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-12
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-12
AI Technical Summary
Existing automatic mechanical locks are prone to accidental triggering when the door is open, causing the main bolt to pop out and resulting in damage to the lock body and the door.
It adopts a combination structure of guide plate, detection tongue assembly, oblique tongue assembly, separation plate assembly and locking tongue trigger start hook assembly. Through the coordinated retraction and release of the detection tongue and oblique tongue, it prevents accidental triggering and realizes automatic locking.
It effectively prevents accidental triggering when pressing the latch or detection latch alone, avoids collision damage between the lock body and the door, and ensures the stable use of the lock body.
Smart Images
Figure CN223854018U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mechanical lock field especially, relates to a mechanical automatic lock body anti -misoperation trigger structure. BACKGROUND
[0002] In daily life and work, the lock is the important tool of guaranteeing property and personal safety. The traditional mechanical lock needs to operate the key or handle manually to lock, and people expect that the lock is more convenient, and the mechanical automatic lock body does not need to operate the lock tongue manually, and the door is automatically locked, which verifies the fast-paced life demand. But the existing mechanical automatic lock body has the following shortcomings, the trigger condition of self -ejection is single condition trigger ejection, and the main lock tongue of detection tongue will be ejected in the door opening state, and the main lock tongue will also be ejected when the door is not closed to the position and is opened again, and the door is closed in the state of not knowing, which will lead to the collision of main lock tongue and door, the door and the damage of lock body and door.
[0003] In order to solve the problems in the background art, the utility model provides a mechanical automatic lock body anti -misoperation trigger structure. UTILITY MODEL CONTENTS
[0004] The utility model aims at the defects of prior art, and provides a mechanical automatic lock body anti -misoperation trigger structure.
[0005] In order to realize the above object, the utility model adopts the following technical scheme:
[0006] A mechanical automatic lock body anti -misoperation trigger structure, including guide plate, matching plate, lock body, lock tongue assembly and lock tongue poking plate assembly, the lock tongue assembly includes lock tongue, lock tongue poking plate torsional spring, lock tongue poking plate, lock tongue limiting groove, the lock body is equipped with detection tongue assembly, bevel tongue assembly, separation piece assembly and lock tongue trigger starting hook assembly still, detection tongue assembly is telescopic in guide plate place and is pressed by matching plate, and the end is hooked or separated with separation piece assembly, the lower part of separation piece assembly and the upper part of lock tongue trigger starting hook assembly abut or separate, lock tongue trigger starting hook assembly and bevel tongue assembly hook or separate, bevel tongue assembly is telescopic in guide plate place, and lock tongue limiting plate and the middle part of lock tongue assembly abut;
[0007] When closing the door, detection tongue assembly and bevel tongue assembly are withdrawn in the lock body simultaneously, detection tongue assembly and separation piece assembly are separated, and separation piece assembly and starting hook assembly are separated simultaneously, matching plate presses detection tongue assembly, starting hook assembly and the lower part of bevel tongue assembly hook, when bevel tongue assembly pops out and enters matching plate, lock tongue limiting plate is pulled and automatic locking is completed.
[0008] Further, the detection tongue assembly comprises 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 is triangular in cross section. The bottom of the detection tongue is fixed to the detection tongue guide by a bolt. The lower part of the detection tongue guide is provided with the detection tongue limiting plate. 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. The detection tongue is pressed downward to drive the detection tongue guide to be hooked or separated from the upper end of the separation piece assembly, and the detection tongue spring is reset.
[0009] Further, the tail of the detection tongue guide is bent to one side to form a guide hook. The guide hook is used to hook or separate from the upper end of the separation piece assembly.
[0010] Further, the separation piece assembly comprises a separation piece and a separation piece rivet. The separation piece is V-shaped. The turning part is rotatably fixed in the housing. The upper end of the separation piece is provided with a rivet. The tail of the detection tongue guide is hooked or separated from the rivet. The lower end of the separation piece is in abutment or separation with the upper end of the latch bolt hook assembly.
[0011] Further, the turning part of the separation piece is provided with a separation piece shaft hole. The lower part of the separation piece is provided with a separation piece wave-shaped notch. The separation piece wave-shaped notch is in abutment or separation with the upper end of the latch bolt hook assembly.
[0012] Further, the latch assembly comprises a latch fixed piece, a latch and a latch spring. The bottom of the latch is fixed to a latch guide. The lower part of the latch guide is provided with a latch fixed piece. One end of the latch spring is connected to the bottom of the latch, and the other end is connected to the latch fixed piece. The latch bolt hook assembly is hooked or separated from the bottom of the latch guide.
[0013] Further, the middle part of the latch fixed piece is provided with a U-shaped notch for the latch guide to pass through and move. The side surface of the latch guide is provided with a latch fixed piece protrusion.
[0014] Further, the latch bolt hook assembly comprises a hook, a hook limiting plate, a hook rivet, a hook spring. The lower end of the hook is rotatably connected to one end of the hook limiting plate. The upper end of the hook is provided with a hook notch. The hook notch is hooked or separated from the bottom of the latch bolt hook assembly. The side surface of the hook is provided with a hook rivet. The hook rivet is in abutment with the latch limiting plate. One end of the hook spring is connected to the hook, and the other end is connected to the lock body.
[0015] Further, the latch assembly comprises a latch, a latch actuating plate and a latch limiting plate. The lower part of the latch is provided with a latch limiting groove. One side of the latch is provided with a latch actuating plate.
[0016] Further, the lock tongue pushing plate assembly comprises a lock tongue pushing plate and a lock tongue pushing plate torsional spring, the lock tongue pushing plate is rotatably arranged in the lock tongue limiting groove, the lock tongue limiting groove is relatively moved to the rotating column of the lock tongue pushing plate, and the lock tongue pushing plate torsional spring is sleeved on the rotating column of the lock tongue pushing plate.
[0017] The utility model discloses the technical scheme, the utility model discloses the beneficial effect is: when detecting tongue and bevelled tongue are withdrawn in lock body simultaneously when the door opens and closes, under the condition that the suppression of detecting tongue is invariable, release bevelled tongue main lock tongue automatic pop-up locking, in single pressing bevelled tongue or pressing detecting tongue and bevelled tongue simultaneously and simultaneously releasing in and out main lock tongue does not trigger locking, therefore effectively solve the collision damage of lock body and door caused by single condition self -ejection lock body false triggering. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is the main lock initial state schematic view of the utility model provides a kind of mechanical automatic lock body anti false triggering structure;
[0019] Figure 2 It is the main lock locking state schematic view of the utility model provides a kind of mechanical automatic lock body anti false triggering structure;
[0020] Figure 3 It is the schematic view that the utility model provides a kind of mechanical automatic lock body anti false triggering structure bevelled tongue and detecting tongue are withdrawn simultaneously and bevelled tongue and starting hook hook-shaped connection;
[0021] Figure 4 It is the schematic view that the utility model provides a kind of mechanical automatic lock body anti false triggering structure bevelled tongue and detecting tongue are withdrawn simultaneously;
[0022] Figure 5 It is the front schematic view of the utility model provides a kind of mechanical automatic lock body anti false triggering structure separating piece assembly;
[0023] Figure 6 It is the side schematic view of the utility model provides a kind of mechanical automatic lock body anti false triggering structure separating piece assembly;
[0024] Figure 7 It is the front schematic view of the utility model provides a kind of mechanical automatic lock body anti false triggering structure bevelled tongue fixed piece;
[0025] Figure 8 It is the side schematic view of the utility model provides a kind of mechanical automatic lock body anti false triggering structure bevelled tongue fixed piece;
[0026] Figure 9 It is the front schematic view of the utility model provides a kind of mechanical automatic lock body anti false triggering structure detecting tongue structure;
[0027] Figure 10It is the mechanical automatic lock body anti-misoperation structure detection tongue structure side view provided by the utility model;
[0028] Figure 11 It is the mechanical automatic lock body anti-misoperation structure lock tongue trigger starting hook assembly front view provided by the utility model;
[0029] Figure 12 It is the mechanical automatic lock body anti-misoperation structure lock tongue trigger starting hook assembly side view provided by the utility model.
[0030] Wherein, 1, guide plate, 2, lock body, 3, lock tongue assembly, 4, lock tongue push plate assembly, 5, lock tongue push plate torsional spring, 6, detection tongue limiting plate, 7, detection tongue assembly, 8, detection tongue spring, 9, latch assembly, 10, separation piece assembly, 11, starting hook spring, 12, lock tongue trigger starting hook assembly, 13, lock tongue limiting slot, 14, latch fixed piece, 15, matching plate, 16, separation piece, 17, separation piece rivet, 18, detection tongue guide, 19, detection tongue, 20, starting hook, 21, starting hook limiting plate, 22, starting hook rivet, 23, lock tongue push plate, 24, latch, 25, latch spring, 26, lock tongue limiting plate, 100, separation piece wave-shaped notch, 101, separation piece rotating shaft hole, 102, guide hook, 103, latch fixed piece protrusion, 104, starting hook notch. Specific embodiments
[0031] The utility model is further described in connection with the drawings.
[0032] As shown in the figure, a kind of mechanical automatic lock body 2 anti-misoperation structure, including guide plate 1, matching plate 15, lock body 2, lock tongue assembly 3 and lock tongue push plate 23 assembly 4, lock tongue assembly 3 includes lock tongue, lock tongue push plate 23 torsional spring 5, lock tongue push plate 23, lock tongue limiting slot 13, lock body 2 still be equipped with detection tongue assembly 7, latch assembly 9, separation piece assembly 10 and lock tongue trigger starting hook assembly 12, detection tongue assembly 7 can be telescopic in guide plate 1 place and be pressed by matching plate 15, and end is hooked with or separated from separation piece assembly 10, separation piece assembly 10 lower part and lock tongue trigger starting hook assembly 12 upper part abut or separate, lock tongue trigger starting hook assembly 12 and latch assembly 9 hook or separate, latch assembly 9 can be telescopic in guide plate 1 place, lock tongue limiting plate 26 and lock tongue assembly 3 middle abut;
[0033] When door is closed, detection tongue assembly 7 and latch assembly 9 are withdrawn into lock body 2 simultaneously, detection tongue assembly 7 is separated from separation piece assembly 10, while separation piece assembly 10 is separated from starting hook assembly, matching plate 15 presses detection tongue assembly 7, starting hook assembly and latch assembly 9 lower part hook, when latch assembly 9 pops into matching plate 15, lock tongue limiting plate 26 is pulled and automatic locking is completed.
[0034] The detection tongue assembly 7 comprises a detection tongue 19, a detection tongue guide 18, a detection tongue limiting plate 6 and a detection tongue spring 8. The detection tongue limiting plate 6 is fixed in the lock body 2. The cross section of the detection tongue 19 is triangular. The bottom of the detection tongue 19 is fixed with the detection tongue guide 18 by bolts. The lower part of the detection tongue guide 18 is provided with the detection tongue limiting plate 6. One end of the detection tongue spring 8 is connected with the bottom of the detection tongue 19, and the other end is connected with the detection tongue limiting plate 6 and is sleeved on the detection tongue guide 18. The detection tongue 19 is pressed downward to drive the detection tongue guide 18 to be hooked or separated with the upper end of the separation piece assembly 10, and is reset by the detection tongue spring 8.
[0035] The tail of the detection tongue guide 18 is bent to one side to form a guide hook 102. The guide hook 102 is used to be hooked or separated with the upper end of the separation piece assembly 10.
[0036] The separation piece assembly 10 comprises a separation piece 16 and a separation piece rivet 17. The separation piece 16 is V-shapedly folded. The folded part is rotatably fixed in the housing. The upper end of the separation piece 16 is provided with a rivet. The tail of the detection tongue guide 18 is hooked or separated with the rivet. The lower end of the separation piece 16 is abutted or separated with the upper end of the latch bolt trigger hook assembly 12.
[0037] The folded part of the separation piece 16 is provided with a separation piece rotating shaft hole 101. The lower part of the separation piece 16 is provided with a separation piece wave-shaped notch 100. The separation piece wave-shaped notch 100 is abutted or separated with the upper end of the latch bolt trigger hook assembly 12.
[0038] The latch assembly 9 comprises a latch fixed piece 14, a latch 24 and a latch spring 25. The bottom of the latch 24 is fixed with a latch guide. The lower part of the latch guide is provided with the latch fixed piece 14. One end of the latch spring 25 is connected with the bottom of the latch 24, and the other end is connected with the latch fixed piece 14. The latch bolt trigger hook assembly 12 is hooked or separated with the bottom of the latch guide.
[0039] The middle part of the latch fixed piece 14 is provided with a U-shaped notch for the latch guide to pass through and move. The side surface of the latch guide is provided with a latch fixed piece protrusion 103.
[0040] The latch bolt trigger hook assembly 12 comprises a trigger hook 20, a trigger hook limiting plate 21, a trigger hook rivet 22 and a trigger hook spring 11. The lower end of the trigger hook 20 is rotatably connected with one end of the trigger hook limiting plate 21. The upper end of the trigger hook 20 is provided with a trigger hook notch 104. The trigger hook notch 104 is hooked or separated with the bottom of the latch bolt trigger hook assembly 12. The side surface of the trigger hook 20 is provided with the trigger hook rivet 22. The trigger hook rivet 22 is abutted with the latch limiting plate 26. One end of the trigger hook spring 11 is connected with the trigger hook, and the other end is connected with the lock body 2.
[0041] The lock tongue assembly 3 comprises a lock tongue, a lock tongue pushing plate 23 and a lock tongue limiting plate 26, the lower part of the lock tongue is provided with a lock tongue limiting groove 13, and one side of the lock tongue is provided with the lock tongue pushing plate 23.
[0042] The lock tongue pushing plate 23 assembly 4 comprises the lock tongue pushing plate 23 and a lock tongue pushing plate 23 torsion spring 5, the lock tongue pushing plate 23 is rotatably arranged in the lock tongue limiting groove 13, the lock tongue limiting groove 13 is relatively moved to the rotating column of the lock tongue pushing plate 23, and the lock tongue pushing plate 23 torsion spring 5 is sleeved on the rotating column of the lock tongue pushing plate 23.
[0043] When the door is closed, the detection tongue assembly 7 and the latch bolt assembly 9 are simultaneously withdrawn into the lock body 2, the detection tongue assembly 7 simultaneously releases the pushing of the separation piece assembly 10, the separation piece assembly 10 also releases the pushing of the starting hook 20, the latch bolt assembly 9 and the starting hook 20 form hook-shaped connection, when the door is closed to the position, the detection tongue assembly 7 is pressed by the matching plate 15, the latch bolt assembly 9 is popped out, the lock tongue limiting plate 26 is pulled, and automatic locking is completed.
[0044] When the door is closed or in the open state, the automatic locking of the main lock tongue cannot be triggered by pressing the latch bolt alone or by simultaneously pressing the detection tongue and the latch bolt.
[0045] It should be noted that the above is only the preferred embodiment of the present application and the technical principle applied. Those skilled in the art will understand that the present application is not limited to the specific embodiments described herein, and those skilled in the art can make various obvious changes, re-adjustments and substitutions without departing from the protection scope of the present application. Therefore, although the present application has been described in more detail through the above embodiments, the present application is not limited to the above embodiments, and more other equivalent embodiments can be included without departing from the concept of the present application, and the scope of the present application is determined by the scope of the appended claims.
Claims
1. A mechanical automatic lock body anti-misfire triggering structure, comprising a guide plate, a matching plate, a lock body, a lock bolt assembly and a lock bolt poking plate assembly, the lock bolt assembly comprising a lock bolt, a lock bolt poking plate torsion spring and a lock bolt poking plate, and a lock bolt limiting groove, characterized in that, The lock body is further provided with a detection tongue assembly, a latch bolt assembly, a separation piece assembly and a latch bolt trigger hook assembly. The detection tongue assembly is retractable in the guide plate and is pressed by the matching plate. The tail end of the detection tongue assembly is hooked or separated with the separation piece assembly. The lower part of the separation piece assembly is in abutment or separation with the upper part of the latch bolt trigger hook assembly. The latch bolt trigger hook assembly is hooked or separated with the latch bolt assembly. The latch bolt assembly is retractable in the guide plate. The latch bolt limiting plate is in abutment with the middle part of the latch bolt assembly. When the door is closed, the detection tongue assembly and the latch bolt assembly are retracted into the lock body at the same time. The detection tongue assembly is separated from the separation piece assembly. The separation piece assembly is separated from the trigger hook assembly. The matching plate presses the detection tongue assembly. The trigger hook assembly is hooked with the lower part of the latch bolt assembly. When the latch bolt assembly is popped into the matching plate, the latch bolt limiting plate is pulled to complete automatic locking.
2. The mechanical automatic lock body anti-misfire structure according to claim 1, characterized in that, The detection tongue assembly comprises 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 cross section of the detection tongue is triangular. The bottom of the detection tongue is fixed with the detection tongue guide through a bolt. The lower part of the detection tongue guide is provided with the detection tongue limiting plate. One end of the detection tongue spring is connected with the bottom of the detection tongue. The other end of the detection tongue spring is connected with the detection tongue limiting plate and is sleeved on the detection tongue guide. The detection tongue is pressed to drive the detection tongue guide to be hooked or separated with the upper end of the separation piece assembly. The detection tongue spring is reset.
3. The mechanical automatic lock body anti-misfire structure according to claim 2, characterized in that, The tail of the detection tongue guide is bent into a guide hook. The guide hook is used to hook or separate with the upper end of the separation piece assembly.
4. The mechanical automatic lock body anti-misoperation structure according to claim 1 or 2, characterized in that, The separation piece assembly comprises a separation piece and a separation piece rivet. The separation piece is V-shaped. The turning part of the separation piece is rotatably fixed in the shell. The upper end of the separation piece is provided with the rivet. The tail of the detection tongue guide is hooked or separated with the rivet. The lower end of the separation piece is in abutment or separation with the upper end of the latch bolt trigger hook assembly.
5. The mechanical automatic lock body false trigger prevention structure according to claim 4, characterized in that, The turning part of the separation piece is provided with a separation piece turning shaft hole. The lower part of the separation piece is provided with a separation piece wave-shaped notch. The separation piece wave-shaped notch is in abutment or separation with the upper end of the latch bolt trigger hook assembly.
6. The mechanical automatic lock body anti-misfire structure according to claim 1, characterized in that, The latch bolt assembly comprises a latch bolt fixed piece, a latch bolt and a latch bolt spring. The bottom of the latch bolt is fixed with the latch bolt guide. The lower part of the latch bolt guide is provided with the latch bolt fixed piece. One end of the latch bolt spring is connected with the bottom of the latch bolt. The other end of the latch bolt spring is connected with the latch bolt fixed piece. The latch bolt trigger hook assembly is hooked or separated with the bottom of the latch bolt guide.
7. The mechanical automatic lock body anti-misfire structure according to claim 6, characterized in that, The middle part of the latch bolt fixed piece is provided with a U-shaped notch for the latch bolt guide to pass through and move. The side surface of the latch bolt guide is provided with the latch bolt fixed piece protrusion.
8. The mechanical automatic lock body anti-misfire structure according to claim 6, characterized in that, The latch bolt trigger hook assembly comprises a trigger hook, a trigger hook limiting plate, a trigger hook rivet and a trigger hook spring. The lower end of the trigger hook is rotatably connected with one end of the trigger hook limiting plate. The upper end of the trigger hook is provided with a trigger hook notch. The trigger hook notch is hooked or separated with the bottom of the latch bolt trigger hook assembly. The side surface of the trigger hook is provided with the trigger hook rivet. The trigger hook rivet is in abutment with the latch bolt limiting plate. One end of the trigger hook spring is connected with the trigger hook. The other end of the trigger hook spring is connected with the lock body.
9. The mechanical automatic lock body anti-misfire structure according to claim 1, characterized in that, The latch bolt assembly comprises a latch bolt, a latch bolt pushing plate and a latch bolt limiting plate. The lower part of the latch bolt is provided with a latch bolt limiting groove. One side of the latch bolt is provided with the latch bolt pushing plate.
10. The mechanical automatic lock body anti-misfire structure according to claim 9, characterized in that, The latch tongue poking plate assembly comprises a latch tongue poking plate and a latch tongue poking plate torsional spring, the latch tongue poking plate is rotatably arranged in a latch tongue limiting groove, the latch tongue limiting groove is movable relative to the rotating column of the latch tongue poking plate, and the latch tongue poking plate torsional spring is sleeved on the rotating column of the latch tongue poking plate.