A false trigger mechanism for a self-latching lock body

Abstract

This utility model discloses a false triggering mechanism for a self-locking body, including a base plate and a main tongue assembly and a slant tongue assembly disposed on the base plate. The base plate is provided with a sensing tongue assembly, a transmission mechanism, and a triggering component. The slant tongue assembly is provided with a slant tongue guide plate. The main tongue assembly includes a positioning piece and a support plate disposed on the base plate. The positioning piece is disposed on the base plate via a positioning pin. The support plate is provided with a main tongue plate, and the main tongue is disposed on the main tongue plate. The support plate is disposed on the base plate via a connecting shaft passing through the main tongue plate. The triggering component is located on the positioning piece. This utility model has a reasonable design, its structure is completely different from existing technologies, it offers greater flexibility in selection, and it is more stable during operation, better meeting user needs.

Description

Technical Field

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

[0002] It is known that door locks used in homes or factories lack an anti-accidental triggering mechanism. When the door is open, pressing either the latch or the strike plate alone will trigger the latch to pop out. When closing the door, it frequently triggers locking before the door is fully closed, failing to prevent accidental operation. Although there is a lock body with an anti-accidental triggering mechanism disclosed in Chinese Utility Model Patent No. CN210685638U, including a base plate and a panel, with a retractable strike plate, a bolt, and a latch, and an anti-accidental triggering mechanism including a locking block located between the strike plate and the bolt, and connected to the base plate by a torsion spring, this type of lock body will not trigger locking whether the strike plate or the bolt is pressed alone or simultaneously. However, because this relies on the connection between the locking block and the torsion spring on the base plate, its structural stability is poor and its structure is relatively simple, failing to meet the needs of modern users who seek stability while also having a variety of structural options. Utility Model Content

[0003] (a) Technical problems that need to be solved

[0004] To address the shortcomings of existing technologies, this utility model provides a mechanism for the accidental triggering of a self-locking body. Its design is reasonable, its structure is completely different from existing technologies, it offers a wider range of options, and it is more stable during operation, thus better meeting the user's needs.

[0005] (ii) Technical solutions to be adopted

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0007] A mechanism for the accidental triggering of a self-locking body includes a base plate and a main tongue assembly and a slant tongue assembly disposed on the base plate. The base plate is provided with a sensing tongue assembly, a transmission mechanism, and a triggering component. The slant tongue assembly is provided with a slant tongue guide plate. The main tongue assembly includes a positioning piece and a support plate disposed on the base plate. The positioning piece is disposed on the base plate by a positioning pin. The support plate is provided with a main tongue plate and a main tongue. The support plate is disposed on the base plate by a connecting shaft passing through the main tongue plate. The triggering component is located on the positioning piece.

[0008] Preferably, the transmission mechanism includes a positioning shaft disposed on the base plate, and a control plate is disposed on the positioning shaft. The control plate is caused to rotate clockwise and counterclockwise around the positioning shaft by the sensing tongue assembly, thereby causing the triggering component to rotate back and forth clockwise and counterclockwise.

[0009] Preferably, the control board includes a plate body for fitting onto the positioning plate, and a first contact and a second contact disposed on the plate body. The first contact and the second contact are integrally formed with the plate body, and the first contact and the second contact are arranged at a perpendicular angle, and the first contact is shaped like an octagon.

[0010] Preferably, the first contact in the 𠃍 shape is provided with a groove for the reciprocating movement of the sensing tongue assembly.

[0011] Preferably, the triggering component includes a fixed shaft disposed on the base plate and a rotating shaft disposed on the positioning plate. A trigger plate is disposed on the rotating shaft, and a convex shaft is disposed on the trigger plate. The fixed shaft and the convex shaft are connected by a reset member.

[0012] Preferably, the sensing tongue assembly includes a guide seat disposed on the base plate, a sensing tongue that moves back and forth on the guide seat, a return member sleeved on the sensing tongue, the sensing tongue moving back and forth between the first contact foot in the shape of an φ and the guide seat, and the head of the sensing tongue moving back and forth on the end face of the base plate, while the tail of the sensing tongue is provided with an anti-detachment part, and a push plate is provided on the sensing tongue, which drives the sensing tongue to move downward during the pressing process of the oblique tongue assembly.

[0013] Preferably, the sensing tongue includes a tongue rod and a tongue provided on the head of the tongue rod. The push plate, the anti-detachment part and the tongue rod are integrally formed. The tongue rod moves back and forth between the first contact foot and the guide seat in the shape of a 𠃍. The return member is sleeved on the tongue rod, and the anti-detachment part is provided at the tail of the tongue rod. The angle between the anti-detachment part and the tongue rod is greater than 90 degrees and less than 180 degrees.

[0014] Preferably, the tongue rod and the tongue are connected together via a connecting shaft.

[0015] Preferably, the oblique tongue assembly includes a fixed seat mounted on a base plate, a tongue shaft that moves back and forth on the fixed seat, an oblique tongue mounted on the tongue shaft, a compression member mounted on the tongue shaft above the fixed seat, and an oblique tongue guide plate mounted on the tongue shaft below the fixed seat. The base plate is provided with a limiting hole, and the oblique tongue guide plate is provided with a limiting block. The limiting block moves back and forth in the limiting hole to adjust the movement range of the oblique tongue guide plate.

[0016] Preferably, the support plate is provided with a stop block, and the positioning piece is provided with a mounting block that cooperates with the stop block, and the stop block and the mounting block cooperate with each other.

[0017] (III) The technical effects to be achieved

[0018] Compared with the prior art, the beneficial effects of this utility model are:

[0019] Firstly, the inclined tongue assembly of this utility model is provided with an inclined tongue guide plate. The main tongue assembly includes a positioning piece and a support plate set on the base plate. The positioning piece is set on the base plate by a positioning pin. The main tongue plate is set on the support plate, and the main tongue is set on the main tongue plate. The support plate is set on the base plate by a connecting shaft, which passes through the main tongue plate. The trigger component is located on the positioning piece. With this utility model, the main tongue assembly will pop out only after the sensor tongue assembly is pressed and then the inclined tongue assembly is released. When closing the door, this action can be achieved by using the buckle plate on the door frame to realize automatic locking and avoid accidental triggering.

[0020] Secondly, the sensor tongue assembly retracts simultaneously when the door is unlocked, thus avoiding noise caused by friction with the door strike plate and better meeting the user's needs. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the main view of this utility model.

[0022] Figure 2 This is a schematic diagram of the overall design of this utility model.

[0023] Figure 3 This is a three-dimensional schematic diagram of the present invention.

[0024] Figure 4 This is a perspective view of the present invention from another angle.

[0025] Figure 5 This is an exploded view of the main tongue assembly, the oblique tongue assembly, the sensing tongue assembly, the transmission mechanism, the triggering component, and the oblique tongue guide plate and base plate of this utility model.

[0026] Figure 6 This is a schematic diagram of the main tongue assembly, oblique tongue assembly, sensing tongue assembly, transmission mechanism, triggering component, and oblique tongue guide plate of this utility model.

[0027] Figure 7 This is a schematic diagram of the assembly of the main tongue assembly, the oblique tongue assembly, the sensing tongue assembly, the transmission mechanism, the triggering component, and the oblique tongue guide plate on the base plate of this utility model.

[0028] Figure 8 This is a schematic diagram showing the cooperation between the positioning piece and the support plate on the base plate of this utility model.

[0029] Figure 9 This is a schematic diagram of the control board structure of this utility model.

[0030] Figure 10 This is a schematic diagram of the overall control board of this utility model.

[0031] Figure 11 This is a schematic diagram of the trigger plate structure of this utility model.

[0032] Figure 12 This is a schematic diagram of the trigger plate of this utility model.

[0033] Figure 13 This is a schematic diagram of the sensor tongue, anti-detachment part, and push plate structure of this utility model.

[0034] Figure 14 This is a schematic diagram of the sensor tongue, anti-detachment part and push plate of this utility model.

[0035] Figure 15 This is a schematic diagram of the support plate structure of this utility model.

[0036] Figure 16 This is a top view of the support plate of this utility model.

[0037] Figure 17 This is a schematic diagram of the overall support plate of this utility model.

[0038] Figure 18 This is a schematic diagram of the positioning plate structure of this utility model.

[0039] Figure 19 This is a schematic diagram of the overall positioning plate of this utility model.

[0040] In the diagram: 1, base plate; 2, main tongue assembly; 3, oblique tongue assembly; 4, sensing tongue assembly; 5, transmission mechanism; 6, trigger assembly; 7, oblique tongue guide plate; 21, positioning piece; 22, support plate; 23, positioning pin; 24, main tongue plate; 25, tongue; 26, connecting shaft; 31, fixed seat; 32, tongue shaft; 33, oblique tongue; 34, compression component; 41, guide seat; 42, sensing tongue; 43, return component; 44, anti-fall-off part; 45, push plate; 51, positioning shaft; 52, control plate; 61, fixed shaft; 62, rotating shaft; 63, trigger piece; 64, convex shaft; 65, reset component; 211, mounting block; 221, stop block; 421, tongue rod; 422, tongue; 521, plate body; 522, first contact foot; 523, second contact foot. Detailed Implementation

[0041] In the description of this utility model, it should be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to or indirectly connected to the other element.

[0042] In the description of this utility model, it should be noted that the terms "center," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "multiple" means two or more, unless otherwise explicitly specified. "Several" means one or more, unless otherwise explicitly specified.

[0043] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0044] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. However, it should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit its scope. Furthermore, descriptions of well-known structures and technologies are omitted in the following description to avoid unnecessarily obscuring the concept of the present utility model.

[0045] Example 1: See Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7and Figure 8 As shown, a mechanism for the accidental triggering of a self-locking body includes a base plate 1 and a main tongue assembly 2 and a slant tongue assembly 3 disposed on the base plate 1. The base plate 1 is provided with a sensing tongue assembly 4, a transmission mechanism 5, and a triggering component 6. The slant tongue assembly 3 is provided with a slant tongue guide plate 7. The main tongue assembly 2 includes a positioning piece 21 and a support plate 22 disposed on the base plate 1. The positioning piece 21 is disposed on the base plate 1 via a positioning pin 23. The support plate 22 is provided with a main tongue plate 24, and the main tongue 25 is disposed on the main tongue plate 24. The support plate 22 is disposed on the base plate 1 via a connecting shaft 26. 6 passes through the main tongue plate 24, and the trigger component 6 is located on the positioning piece 21. The sensing tongue assembly 4 drives the movement of the trigger component 6 through the transmission mechanism 5. When the oblique tongue assembly 3 is pressed down alone, it will simultaneously drive the oblique tongue guide plate 7 and the sensing tongue assembly 4 to move downward. After being released, the oblique tongue guide plate 7 returns to its original position along with the oblique tongue assembly 3. During the return process of the sensing tongue assembly 4, the trigger component 6 is moved through the transmission mechanism 5. At this time, the oblique tongue guide plate 7 will not block the trigger component 6. In this utility model, the sensing tongue assembly 4 will also retract at the same time when unlocking, thus avoiding noise caused by friction with the door strike plate. When closing the door, pressing the latch assembly 3 causes the latch guide plate 7 to move downwards along with the latch assembly 3. At the same time, the sensing latch assembly 4 is also pressed down, releasing the transmission mechanism 5 from pushing the trigger component 6. The trigger component 6 rotates forward clockwise once. After the latch guide plate 7 returns to its original position along with the latch assembly 3, the latch guide plate 7 pushes the trigger component 6 to rotate counterclockwise. The trigger component 6 drives the positioning plate 21 to rotate counterclockwise, releasing the positioning plate 21 from restricting the support plate 22. Then, the main latch 25 pops out and locks as the main latch plate 24 moves upwards. In actual operation, this action can be achieved by using the latch plate on the door frame to automatically lock the door when closing.

[0046] Example 2: This can be explained based on Example 1, such as... Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown, the transmission mechanism 5 includes a positioning shaft 51 mounted on the base plate 1, and a control plate 52 mounted on the positioning shaft 51. The control plate 52 is driven to rotate clockwise and counterclockwise around the positioning shaft 51 via the sensing tongue assembly 4, thereby causing the trigger assembly 6 to rotate clockwise and counterclockwise back and forth. Further explanation is provided below. Figure 9 and Figure 10As shown, the control board 52 includes a plate body 521 for mounting on the positioning shaft 51, and a first contact 522 and a second contact 523 disposed on the plate body 521. The first contact 522 and the second contact 523 are integrally formed with the plate body 521, and the first contact 522 and the second contact 523 are arranged at a perpendicular angle. The first contact 522 is shaped like an octagon. When the octagon-shaped first contact 522 is pressed and released by the sensing tongue assembly 4, it is pushed by the sensing tongue assembly 4 to rotate counterclockwise. At this time, the plate body 521 causes the second contact 523 to rotate counterclockwise around the control positioning shaft 51. In turn, the second contact 523 causes the trigger assembly 6 to rotate clockwise. To further explain, the octagon-shaped first contact 522 is provided with a groove for the reciprocating movement of the sensing tongue assembly 4. This design facilitates the automatic return of the sensing tongue assembly 4 after it is pressed, so that its reciprocating movement is unrestricted.

[0047] Among them, such as Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown, the trigger assembly 6 includes a fixed shaft 61 mounted on the base plate 1 and a rotating shaft 62 mounted on the positioning plate 21. A trigger plate 63 is mounted on the rotating shaft 62, and a convex shaft 64 is mounted on the trigger plate 63. The fixed shaft 61 and the convex shaft 64 are connected by a reset member 65. The trigger plate 63 rotates back and forth about the rotating shaft 62. The second contact 523 rotates the trigger plate 63 clockwise about the rotating shaft 62 by actuating the convex shaft 64. When the external force from the second contact 523 is removed, the trigger plate 63 rotates counterclockwise back to its original position under the restoring force of the reset member 65. Finally, it is further explained that the reset member 65 uses a reset spring for ease of implementation. Figure 11 and Figure 12 As shown, the trigger plate 63 near the side of the latch assembly 3 has an upper foot and a lower foot. The lower foot is used to block the latch assembly 3, and the latch assembly 3 facilitates the push of the trigger plate 63 to rotate counterclockwise when it continues to move upwards to return to its original position. Figure 18 and Figure 19 As shown, the positioning piece 21 has an upper rod and a lower rod, wherein the upper rod is connected to the trigger piece 63 through a rotating shaft 62. This facilitates the positioning piece 21 to rotate counterclockwise with the trigger piece 63, thereby facilitating the release of the positioning piece 21 from the restriction of the support plate 22.

[0048] Among them, such as Figure 3 , Figure 5 , Figure 6 , Figure 7 and Figure 8As shown, the sensing tongue assembly 4 includes a guide seat 41 mounted on the base plate 1, a sensing tongue 42 that moves back and forth on the guide seat 41, a return member 43 fitted on the sensing tongue 42, the sensing tongue 42 moving back and forth between the first contact 522 in a U-shape and the guide seat 41, and the head of the sensing tongue 42 moving back and forth on the end face of the base plate 1. To prevent the sensing tongue 42 from detaching from the guide seat 41, an anti-detachment part 44 is provided at the tail of the sensing tongue 42. A push plate 45 is provided on the sensing tongue 42, which drives the sensing tongue 42 downward during the pressing process of the oblique tongue assembly 3. This arrangement not only enables the oblique tongue assembly 3 to drive the sensing tongue 42 to move downward during the pressing process, but also... Further explanation, as... Figure 13 and Figure 14 As shown, the sensing tongue 42 includes a tongue rod 421 and a tongue 422 on the head of the tongue rod 421. The push plate 45, the anti-detachment part 44, and the tongue rod 421 are integrally formed, greatly improving the structural rigidity. The tongue rod 421 moves back and forth between the first contact foot 522 and the guide seat 41 in an U-shape. A return member 43 is sleeved on the tongue rod 421, and an anti-detachment part 44 is provided at the tail of the tongue rod 421. The angle between the anti-detachment part 44 and the tongue rod 421 is greater than 90 degrees and less than 180 degrees. This design not only simplifies the structure and facilitates manufacturing, but also helps to prevent detachment from the guide seat 41. Finally, it should be noted that the tongue rod 421 and the tongue 422 are connected together by a connecting shaft, which facilitates installation and implementation. In this embodiment, the return member 43 is a compression spring, which is convenient for implementation.

[0049] In this invention, the anti-detachment part 44 moves upward with the sensing tongue 42, causing the first contact 522 in the shape of a 𠃍 to rotate counterclockwise. This causes the second contact 523 to rotate counterclockwise as well. The second contact 523 then pushes the convex shaft 64. Since the convex shaft 64 and the trigger piece 63 are integrally formed, the trigger piece 63 rotates counterclockwise around the rotating shaft 62. At the same time, the reset piece 65 is stretched, providing a rebound force for subsequent reset.

[0050] Example 3: This can be explained based on Example 2, such as... Figure 3 , Figure 5 , Figure 6 , Figure 7 and Figure 8As shown, the oblique tongue assembly 3 includes a fixed seat 31 mounted on a base plate 1, a tongue shaft 32 that moves back and forth on the fixed seat 31, an oblique tongue 33 mounted on the tongue shaft 32, a compression member 34 mounted on the tongue shaft 32 above the fixed seat 31, an oblique tongue guide plate 7 mounted on the tongue shaft 32 below the fixed seat 31, and a limit hole mounted on the base plate 1. A limit block is mounted on the oblique tongue guide plate 7, and the limit block moves back and forth in the limit hole to adjust the movement range of the oblique tongue guide plate 7. The pressing of the tongue 33 pushes the sensing tongue 42 downward through the push plate 45, which in turn causes the transmission mechanism 5 to release the restriction on the trigger assembly 6. The trigger piece 63 in the trigger assembly 6 rotates clockwise downward. When the tongue guide plate 7 is located below the trigger piece 63, the tongue guide plate 7 continues to move upward with the tongue shaft 32, which causes the trigger piece 63 to be blocked by the tongue guide plate 7 and rotate counterclockwise. The positioning piece 21 will be driven to rotate counterclockwise with the trigger piece 63. In this way, the positioning piece 21 will release the restriction on the support plate 22. Then the main tongue 25 pops out and locks as the main tongue plate 24 moves upward. In actual operation, this action can be achieved by using the buckle on the door frame when closing the door to realize automatic locking.

[0051] The compression component 34 uses a spring, which is easy to install and also makes it easier for the tongue shaft 32 to automatically reset after being pressed.

[0052] Example 4: This can be described based on Example 1, Example 2, or Example 3, such as... Figure 6 , Figure 15 , Figure 16 , Figure 17 , Figure 18 and Figure 19 As shown, a stop 221 is provided on the support plate 22, and a latching block 211 that cooperates with the stop 221 is provided on the positioning plate 21. When the latching block 211 rotates counterclockwise upward with the positioning plate 21 and disengages from the stop 221 on the support plate 22, neither the support plate 22 nor the main tongue plate 24 on the support plate 22 is restricted. Then, the main tongue 25 on the main tongue plate 24 pops out and locks. Further, a sliding groove is provided on the base plate 1 to restrict the sliding of the stop 221, facilitating implementation. Even further, a limiting hole is provided on the main tongue plate 24 for the reciprocating movement of the connecting shaft 6, which is beneficial for the reciprocating movement of the main tongue plate 24. Finally, it should be noted that the main tongue plate 24 has three main tongues 25, which facilitates locking.

[0053] This invention relates to mechanical lock bodies for security doors, and is particularly suitable for smart locks. When opening the door, pressing either the release latch assembly 3 or the sensor latch assembly 4 alone will not cause the main latch assembly 2 to pop out. Without this function, pressing the release latch assembly 3 would risk damaging the main latch assembly 2 if it pops out. This invention requires pressing the sensor latch assembly 4 first, followed by pressing the release latch assembly 3, for the main latch assembly 2 to pop out. When closing the door, this action is achieved using the door frame's strike plate, thus automatically locking the door. When unlocking, the sensor latch assembly 4 also retracts simultaneously, preventing noise caused by friction with the door strike plate.

[0054] In the initial state, the sensing tongue 42 is subjected to the spring force of the return member 43, and the control plate 52 rotates around the positioning shaft 51 to overcome the spring force of the reset member 65. The guide seat 41 is used to guide the trigger piece 63 to the initial position through the control plate 52.

[0055] When the sensing tongue 42 is pressed (generally about 3mm down), the trigger plate 63 rotates counterclockwise along the rotation axis 62 under the reset pull of the reset member 65. When the oblique tongue 33 is pressed, the oblique tongue 33 will drive the tongue shaft 32 to move downward, and at the same time compress the compression member 34. The tongue shaft 32 will drive the oblique tongue guide plate 7 to move downward. The oblique tongue guide plate 7 is located below the trigger plate 63. When the oblique tongue 33 is released, under the action of the rebound force of the compression member 34, the oblique tongue guide plate 7 moves upward with the tongue shaft 32, and the trigger plate 63 will rest on the oblique tongue guide plate 7. When the oblique tongue guide plate 7 continues to move upward with the tongue shaft 32, the trigger plate 63 will rotate counterclockwise. The trigger plate 63 will drive the positioning plate 21 to rotate counterclockwise. The positioning plate 21 will remove the restriction on the support plate 22. The support plate 22, the main tongue plate 24 on the support plate 22, and the main tongue 25 on the main tongue plate 24 can pop out, which is conducive to locking by popping out the main tongue 25.

[0056] All standard parts used in this application can be purchased from the market, and the specific connection methods of each part adopt conventional methods such as bolts and rivets that are mature in the existing technology, which will not be described in detail here.

[0057] It should be noted that although the above embodiments have been described herein, this does not limit the scope of patent protection for this utility model. Therefore, any changes and modifications made to the embodiments described herein based on the innovative concept of this utility model, or equivalent structural or procedural transformations made using the content of this utility model's specification and drawings, directly or indirectly applying the above technical solutions to other related technical fields, are all included within the scope of protection of this utility model patent.

Claims

1. A mechanism for the accidental triggering of a self-locking body, comprising a base plate (1) and a main tongue assembly (2) and a slant tongue assembly (3) disposed on the base plate (1), characterized in that: The base plate (1) is provided with a sensing tongue assembly (4), a transmission mechanism (5) and a triggering component (6). The oblique tongue assembly (3) is provided with an oblique tongue guide plate (7). The main tongue assembly (2) includes a positioning piece (21) and a support plate (22) provided on the base plate (1). The positioning piece (21) is provided on the base plate (1) by a positioning pin (23). The support plate (22) is provided with a main tongue plate (24). The main tongue plate (24) is provided with a main tongue (25). The support plate (22) is provided on the base plate (1) by a connecting shaft (26). The connecting shaft (26) passes through the main tongue plate (24). The triggering component (6) is located on the positioning piece (21).

2. A self-latching lock body misfire mechanism as defined in claim 1, wherein: The transmission mechanism (5) includes a positioning shaft (51) disposed on the base plate (1). A control plate (52) is disposed on the positioning shaft (51). The control plate (52) is caused to rotate clockwise and counterclockwise around the positioning shaft (51) by the sensing tongue assembly (4), thereby causing the trigger component (6) to rotate clockwise and counterclockwise back and forth.

3. A self-latching lock body misfire mechanism as defined in claim 2 wherein: The control board (52) includes a plate body (521) for sleeved on the positioning shaft (51), and a first contact (522) and a second contact (523) disposed on the plate body (521). The first contact (522) and the second contact (523) are integrally formed with the plate body (521), and the first contact (522) and the second contact (523) are arranged at a vertical angle, and the first contact (522) is shaped like a 𠃍.

4. The false triggering mechanism of the self-locking body as described in claim 3, characterized in that: The first contact (522) in the shape of the 𠃍 is provided with a groove for the reciprocating movement of the sensing tongue assembly (4).

5. The false triggering mechanism of the self-locking body as described in claim 2, 3, or 4, characterized in that: The trigger assembly (6) includes a fixed shaft (61) disposed on the base plate (1) and a rotating shaft (62) disposed on the positioning plate (21). A trigger plate (63) is disposed on the rotating shaft (62), and a convex shaft (64) is disposed on the trigger plate (63). The fixed shaft (61) and the convex shaft (64) are connected by a reset member (65).

6. A self-bolting lock body's false triggering mechanism as claimed in claim 3 or 4, wherein: The sensing tongue assembly (4) includes a guide seat (41) disposed on the base plate (1), a sensing tongue (42) that moves back and forth on the guide seat (41), a return member (43) sleeved on the sensing tongue (42), the sensing tongue (42) moving back and forth between the first contact foot (522) in the shape of the 𠃍 and the guide seat (41), and the head of the sensing tongue (42) moving back and forth on the end face of the base plate (1), while the tail of the sensing tongue (42) is provided with an anti-drop part (44), and the sensing tongue (42) is provided with a push plate (45) that drives the sensing tongue (42) to move downward during the pressing process of the oblique tongue assembly (3).

7. A self-latching lock body misfire mechanism as defined in claim 6 wherein: The sensing tongue (42) includes a tongue rod (421) and a tongue (422) provided on the head of the tongue rod (421). The push plate (45), the anti-detachment part (44) and the tongue rod (421) are integrally formed. The tongue rod (421) moves back and forth between the first contact foot (522) and the guide seat (41) in the shape of the 𠃍. The return member (43) is sleeved on the tongue rod (421). The anti-detachment part (44) is provided at the tail of the tongue rod (421). The angle between the anti-detachment part (44) and the tongue rod (421) is greater than 90 degrees and less than 180 degrees.

8. The false triggering mechanism of the self-locking body as described in claim 7, characterized in that: The tongue rod (421) and the tongue (422) are connected together by a connecting shaft.

9. The false triggering mechanism of the self-locking body as described in claim 2, 3, 4, 7, or 8, characterized in that: The oblique tongue assembly (3) includes a fixed seat (31) disposed on a base plate (1), a tongue shaft (32) that moves back and forth is disposed on the fixed seat (31), an oblique tongue (33) is disposed on the tongue shaft (32), a compression member (34) is disposed on the tongue shaft (32) above the fixed seat (31), an oblique tongue guide plate (7) is disposed on the tongue shaft (32) below the fixed seat (31), and a limit hole is disposed on the base plate (1), a limit block is disposed on the oblique tongue guide plate (7), and the limit block moves back and forth in the limit hole to promote the movement range of the oblique tongue guide plate (7).

10. The false triggering mechanism of the self-locking body as described in claim 1, 2, 3, 4, 7, or 8, characterized in that: The support plate (22) is provided with a stop block (221), and the positioning piece (21) is provided with a mounting block (211) that cooperates with the stop block (221). The stop block (221) and the mounting block (211) cooperate with each other.

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