A new type of one-stage anti-stuck transmission lock body

By designing a new first-speed anti-jamming transmission lock body and using the lock core to drive the lock body transmission link structure, the problem of jamming and jumping of the mechanical lock body under the fully automatic mechanism is solved, and mechanical performance and safety are improved.

CN222731289UActive Publication Date: 2025-04-08ZHEJIANG DAXIONG SECURITY TECH CO LTD
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Patent Information

Application Number
CN202421480417.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-26
Publication Date
2025-04-08
Estimated Expiration
2034-06-26

AI Technical Summary

Technical Problem

The existing mechanical lock bodies often have a jam-bounce phenomenon when the lock core is punched or retracted under a fully automatic mechanism, which damages the mechanical properties and affects the use effect and safety.

Method used

A new type of first-speed anti-jamming transmission lock body is designed, which drives the lock body transmission through the lock core to tug it, and uses a structure formed by the connecting rod mechanism and a parallelogram four-bar mechanism to avoid clamping and obstacles.

Benefits of technology

It effectively solves the phenomenon of jamming and jumping when the lock core is fired or retracted, improves the mechanical performance and use effect of the lock body, ensures the normal retraction and release of the lock body, and improves the overall safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The lock body is equipped with a lock core dial wheel, and the lock core dial wheel is located on one side of the push plate, and a pushing boss is arranged on one side of the lock core dial wheel and the inner wall of the lock shell. The lower auxiliary lock dial plate 1 is equipped with a pin three and a pin four, and an upper auxiliary lock dial plate 1 is installed on the inner wall of the lock shell. The utility model provides that the lock body adopts the lock core to dial the "connecting rod" inside the lock body to drive the lock body transmission, so that the practicality of the device is better.
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Description

Technical Field

[0001] The utility model relates to the technical field of lock bodies, in particular to a novel one-stage anti-jamming transmission lock body. Background Art

[0002] The existing mechanical lock bodies, whether one or two gears, often experience the phenomenon of the lock core getting stuck or jumping when it is pushed out or retracted when working with the fully automatic mechanism. This unsmooth action not only damages the mechanical performance of the lock body, but may also cause the lock body to be unable to be retracted or pushed out normally, thus affecting the overall use effect and safety.

[0003] Therefore, a new type of first-stage anti-stuck transmission lock body is needed to improve the above-mentioned problem. Utility Model Content

[0004] The purpose of the utility model is to provide a novel one-stage anti-jamming transmission lock body to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A novel one-speed anti-stuck transmission lock body comprises a guide plate, a lock shell is installed on the outer wall of the guide plate, a push plate is installed on the inner wall of the lock shell, a starting plate is rotatably connected to the inner wall of the lock shell, one end of the starting plate is connected to a lower push plate, a three-bolt plate body is installed on the inner wall of the lock shell, the three-bolt plate body comprises a pin 1, a pin 2, a first notch and a three-bolt plate boss, a lock core dial wheel is installed on the inner wall of the lock shell, and the lock core dial wheel is located at the lower push plate On one side, a pushing boss is provided on one side of the lock cylinder dial wheel and on the inner wall of the lock shell, a lower auxiliary lock dial plate 1 is installed on the inner wall of the lock shell, the lower auxiliary lock dial plate 1 includes pin 3 and pin 4, an upper auxiliary lock dial plate 1 is installed on the inner wall of the lock shell, the upper auxiliary lock dial plate 1 includes pin 5 and pin 6, a lower auxiliary lock assembly is installed on the inner wall of the lock shell, the lower auxiliary lock assembly includes an auxiliary lock tongue 1 and a lower auxiliary lock dial plate boss, and a main lock assembly is installed on the inner wall of the lock shell.

[0007] As a preferred solution of the present utility model, the main lock assembly includes a main lock tongue, an upper secondary lock assembly is installed on the inner wall of the lock shell, the upper secondary lock assembly includes an upper secondary lock dial plate boss, an inclined bolt push plate is installed on the inner wall of the lock shell, the inclined bolt push plate includes an inclined bolt upper dial boss, an inclined bolt upper dial piece is installed on the inner wall of the lock shell, and the inclined bolt upper dial boss is in contact with and connected to the inclined bolt upper dial piece, a inclined bolt assembly is installed on the inner wall of the lock shell, the inclined bolt assembly includes an inclined bolt 1, a main lock bolt plate pressing sleeve is installed on the inner wall of the lock shell, the inclined bolt push plate is in contact with and connected to the main lock bolt plate pressing sleeve through a pin 1, a handle pulling shaft is installed on the inner wall of the lock shell, and the handle pulling shaft is rotatably connected to the inclined bolt upper dial piece, an inclined bolt support piece is installed on the inner wall of the lock shell, and the inclined bolt assembly is in contact with and connected to the lock shell through the inclined bolt support piece, and an inclined bolt reset spring is installed on the inner wall of the lock shell.

[0008] As a preferred solution of the present invention, the three-bolt pull plate body is rotatably connected to the lock shell by pin 1, the three-bolt pull plate boss is contacted and connected with the main lock assembly, the lower secondary lock pull plate 1 and the upper secondary lock pull plate 1 are symmetrical structures, the two notches of the lower push plate are limited on the lock shell, and the lower push plate can only slide in the direction parallel to the notch, the main lock assembly is contacted and connected with pin 1 through the notch, the two ends of the push plate are respectively rotatably connected with the lower secondary lock pull plate 1 by pin 4, the pin 6 is rotatably connected with the upper secondary lock pull plate 1, and at the same time, the lower secondary lock pull plate 1 is rotatably connected to the lock shell by pin 3, and the lower secondary lock pull plate boss is contacted and connected with the lower secondary lock assembly.

[0009] As a preferred solution of the utility model, the upper secondary lock plate 1 is rotatably connected to the lock shell through a pin 5, the upper secondary lock plate boss is contact-connected with the upper secondary lock assembly, and the lock shell, the three-bolt plate body, the lower secondary lock plate 1, and the upper secondary lock plate 1 are connected through a push plate to form a parallelogram four-bar mechanism.

[0010] As a preferred solution of the utility model, the lower auxiliary lock assembly is in contact with the lock housing via pin three, and the lower auxiliary lock assembly is in contact with the guide plate via auxiliary lock tongue one.

[0011] As a preferred solution of the utility model, the upper auxiliary lock assembly is connected to the lock housing via a pin five, and the upper auxiliary lock assembly is connected to the guide plate via an auxiliary lock tongue one.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. In the utility model, a new type of one-speed anti-stuck transmission lock body is used, and the lock body uses the lock core to move the "connecting rod" inside the lock body to drive the lock body transmission. Compared with the existing mechanical lock body, the lock core often appears when the lock core is pushed out or retracted. The lock core pulls the connecting rod inside the lock body to drive the lock body transmission. The practicality of the device is better, which is beneficial to solve the existing mechanical lock body. Whether it is one gear or two gears, once it cooperates with the full-automatic mechanism, the lock core often appears when it is pushed out or retracted. The jamming and jumping phenomenon. This unsmooth action not only damages the mechanical performance of the lock body, but also may cause the lock body to be unable to be retracted or pushed out normally, thereby affecting the overall use effect and safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the main lock assembly of the utility model;

[0016] Figure 3 It is a schematic diagram of the structure of the inclined tongue assembly of the utility model.

[0017] In the figure: 1, guide plate; 2, lock housing; 3, push plate; 4, start plate; 5, lower push plate; 6, three-bolt plate body; 62, pin 1; 63, pin 2; 65, first notch; 611, three-bolt plate boss; 7, lock cylinder dial wheel; 73, push boss; 8, lower auxiliary lock plate 1; 82, pin 3; 38, pin 4; 9, upper auxiliary lock plate 1; 92, pin 5; 39, pin 6; 10, lower auxiliary lock Assembly; 101, auxiliary lock tongue 1; 108, lower auxiliary lock plate boss; 11, main lock assembly; 111, main lock tongue; 12, upper auxiliary lock assembly; 129, upper auxiliary lock plate boss; 13, inclined tongue push plate; 1314, inclined tongue upper boss; 14, inclined tongue upper paddle; 15, inclined tongue assembly; 151, inclined tongue 1; 16, main lock bolt plate pressure sleeve; 17, handle pull shaft; 18, inclined tongue support piece; 19, inclined tongue return spring. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0019] For examples, see Figure 1-3 , the utility model provides a technical solution:

[0020] A novel one-speed anti-stuck transmission lock body comprises a guide plate 1, a lock shell 2 is mounted on the outer wall of the guide plate 1, a push plate 3 is mounted on the inner wall of the lock shell 2, a start plate 4 is rotatably connected to the inner wall of the lock shell 2, one end of the start plate 4 is connected to a lower push plate 5, a three-bolt plate body 6 is mounted on the inner wall of the lock shell 2, the three-bolt plate body 6 comprises a pin 1 62, a pin 2 63, a first notch 65 and a three-bolt plate boss 611, a lock core dial wheel 7 is mounted on the inner wall of the lock shell 2, and the lock core dial wheel 7 is located at the lower A push boss 73 is provided on one side of the push plate 5 and one side of the lock cylinder dial wheel 7 and located on the inner wall of the lock housing 2. A lower auxiliary lock dial plate 8 is installed on the inner wall of the lock housing 2. The lower auxiliary lock dial plate 8 includes a pin three 82 and a pin four 38. An upper auxiliary lock dial plate 9 is installed on the inner wall of the lock housing 2. The upper auxiliary lock dial plate 9 includes a pin five 92 and a pin six 39. A lower auxiliary lock assembly 10 is installed on the inner wall of the lock housing 2. The lower auxiliary lock assembly 10 includes an auxiliary lock tongue 101 and a lower auxiliary lock dial plate boss 108. A main lock assembly 11 is installed on the inner wall of the lock housing 2, and the main lock assembly 11 includes a main lock tongue 111. An upper secondary lock assembly 12 is installed on the inner wall of the lock housing 2, and the upper secondary lock assembly 12 includes an upper secondary lock plate boss 129. An inclined tongue push plate 13 is installed on the inner wall of the lock housing 2, and the inclined tongue push plate 13 includes an inclined tongue upper boss 1314. An inclined tongue upper paddle 14 is installed on the inner wall of the lock housing 2, and the inclined tongue upper boss 1314 is in contact with the inclined tongue upper paddle 14. The inclined tongue assembly 12 is installed on the inner wall of the lock housing 2. Component 15, the oblique tongue assembly 15 includes an oblique tongue 151, a main lock bolt plate pressing sleeve 16 is installed on the inner wall of the lock shell 2, the oblique tongue push plate 13 is in contact with the main lock bolt plate pressing sleeve 16 through a pin 62, a handle pull shaft 17 is installed on the inner wall of the lock shell 2, and the handle pull shaft 17 is rotatably connected with the upper paddle 14 of the oblique tongue, an oblique tongue support piece 18 is installed on the inner wall of the lock shell 2, and the oblique tongue assembly 15 is in contact with the lock shell 2 through the oblique tongue support piece 18, and an oblique tongue reset spring 19 is installed on the inner wall of the lock shell 2.

[0021] In this embodiment, please refer to Figure 1 , Figure 2 and Figure 3, the three-bolt plate body 6 is rotatably connected to the lock shell 2 through a pin 62, the three-bolt plate boss 611 is in contact with the main lock assembly 11, the lower secondary lock plate 8 and the upper secondary lock plate 9 are symmetrical structures, the two notches of the lower push plate 5 are limited on the lock shell 2, and the lower push plate 5 can only slide in a direction parallel to the notch, the main lock assembly 11 is in contact with the pin 62 through the notch, the two ends of the push plate 3 are respectively rotatably connected to the lower secondary lock plate 8 through a pin four 38, the pin six 39 is rotatably connected to the upper secondary lock plate 9, and the lower secondary lock plate 8 is rotatably connected to the lock shell 2 through a pin three 82, and the lower secondary lock plate boss 108 is rotatably connected to the lower secondary lock plate 8. The secondary lock assembly 10 is in contact and connected, the upper secondary lock plate 9 is rotatably connected to the lock shell 2 through the pin five 92, the upper secondary lock plate boss 129 is in contact and connected to the upper secondary lock assembly 12, and the lock shell 2, the three-bolt plate body 6, the lower secondary lock plate 8, and the upper secondary lock plate 9 are connected through the push plate 3 to form a parallelogram four-bar mechanism, the lower secondary lock assembly 10 is in contact and connected to the lock shell 2 through the pin three 82, and the lower secondary lock assembly 10 is in contact and connected to the guide plate 1 through the secondary lock tongue 101, the upper secondary lock assembly 12 is in contact and connected to the lock shell 2 through the pin five 92, and the upper secondary lock assembly 12 is in contact and connected to the guide plate 1 through the secondary lock tongue 101.

[0022] The working process of the utility model: When the new one-stage anti-stuck transmission lock body designed by the present invention is used, the lock body is divided into key transmission and handle transmission according to the usage mode. During the key transmission process:

[0023] When the key is locked: the key rotates counterclockwise, the lock cylinder dial wheel 7 rotates counterclockwise, the lock cylinder dial wheel 7 pushes the lower push plate 5, the two notches of the lower push plate 5 are limited on the lock shell 2, and can only slide in the direction parallel to the notches. Under the push of the lock cylinder dial wheel 7, the lower push plate 5 moves to the right in the horizontal direction, and the three-bolt plate body 6 is rotatably connected to the lock shell 2 through the pin 1 62, and is in contact with the lower push plate 5 through the first notch 65, and is rotatably connected to the push plate 3 through the pin 2 63, and is in contact with the main lock assembly 11 through the three-bolt plate boss 611. Therefore, the lower push plate 5 moves horizontally to the right through the first notch 65 on the three-bolt plate body 6 The notch 65 drives the three-bolt plate body 6 to rotate counterclockwise, and the counterclockwise rotation of the three-bolt plate body 6 is in contact with the three-bolt plate boss 611, driving the main lock assembly 11 to move. The main lock assembly 11 is in contact with the pin 1 62 through the notch, and is in contact with the guide plate 1 through the main lock tongue 111 so that it can only move in the vertical direction. Under the push of the three-bolt plate boss 611, the main lock assembly 11 will move vertically upward along the hole of the guide plate 1, and the main lock assembly 11 will be pushed out to achieve locking. At the same time, the counterclockwise rotation of the three-bolt plate body 6 drives the push plate 3 to swing counterclockwise through the pin 2 63, and the two ends of the push plate 3 are respectively connected by the pins. The four 38 is rotatably connected to the lower secondary lock plate 8, and is rotatably connected to the upper secondary lock plate 9 through the pin six 39. At the same time, the lower secondary lock plate 8 is rotatably connected to the lock case 2 through the pin three 82, and is contacted and connected with the lower secondary lock assembly 10 through the lower secondary lock plate boss 108. The upper secondary lock plate 9 is rotatably connected to the lock case 2 through the pin five 92, and is contacted and connected with the upper secondary lock assembly 12 through the upper secondary lock plate boss 129. The lock case 2, the three-bolt plate body 6, the lower secondary lock plate 8, and the upper secondary lock plate 9 of the entire mechanism are connected through the push plate 3 to form a parallelogram four-bar mechanism, and the push plate 3 swings counterclockwise through the pin four 38 and The pin six 39 drives the lower secondary lock plate 18 and the upper secondary lock plate 19 to rotate counterclockwise, the lower secondary lock assembly 10 is connected to the lock housing 2 through the pin three 82, and is connected to the guide plate 1 through the secondary lock tongue 101. The upper secondary lock assembly 12 is connected to the lock housing 2 through the pin five 92, and is connected to the guide plate 1 through the secondary lock tongue 101. The lower secondary lock plate 18 rotates counterclockwise to drive the lower secondary lock assembly 10 to move vertically upward along the hole of the guide plate 1, and the upper secondary lock plate 19 rotates counterclockwise to drive the upper secondary lock assembly 12 to move vertically upward along the hole of the guide plate 1, thereby realizing the locking of the upper secondary lock assembly 12 and the lower secondary lock assembly 10;

[0024] When the key is unlocked: the key rotates clockwise, the lock core dial wheel 7 rotates clockwise accordingly, the lock core dial wheel 7 pushes the pushing boss 73 to make the pushing plate 3 swing clockwise, the pushing plate 3 swings clockwise to drive the three-bolt plate body 6, the lower auxiliary lock plate 8, and the upper auxiliary lock plate 9 to rotate clockwise at the same time, the three-bolt plate body 6 makes the main lock assembly 11 move vertically downward through the three-bolt plate boss 611, the lower auxiliary lock plate 8 makes the lower auxiliary lock assembly 10 move vertically downward through the lower auxiliary lock plate boss 108, and the upper auxiliary lock plate 9 makes the upper auxiliary lock assembly 12 move vertically downward through the upper auxiliary lock plate boss 129, thereby realizing the retraction action of the main and auxiliary lock tongues, and completing the unlocking. At the same time, the lock core dial wheel 7 pushes the oblique bolt push plate 13 to swing clockwise, and the oblique bolt push plate 13 is in contact with the main lock bolt plate pressing sleeve 16 through the pin 162, and is in contact with the oblique bolt upper paddle 14 through the oblique bolt upper paddle boss 1314. The oblique bolt upper paddle 14 is rotatably connected to the handle pull shaft 17. The oblique bolt push plate 13 swings clockwise to drive the oblique bolt upper paddle 14 to rotate clockwise along the handle pull shaft 17. The oblique bolt assembly 15 is in contact with the lock shell 2 through the oblique bolt support piece 18, and is in contact with the guide plate 1 through the oblique bolt 151. The oblique bolt upper paddle 14 rotates clockwise to drive the oblique bolt assembly 15 to move vertically downward along the notch of the oblique bolt support piece 18 to unlock the oblique bolt. After the oblique bolt is unlocked, the key is reset counterclockwise, and the lock core dial wheel 7 rotates counterclockwise. The oblique bolt assembly 15 automatically extends out under the action of the oblique bolt reset spring 19 to reset the lock body oblique bolt, which is convenient for locking next time.

[0025] During the handle transmission process:

[0026] When the handle is unlocked: the handle rotates counterclockwise, the handle pull shaft 17 rotates counterclockwise, the handle pull shaft 17 pushes the starting plate 4 to rotate counterclockwise, the starting plate 4 rotates counterclockwise to drive the pushing plate 3 to swing counterclockwise, the pushing plate 3 swings counterclockwise and drives the three-bolt plate body 6, the lower secondary lock plate 8, and the upper secondary lock plate 9 to rotate counterclockwise, the three-bolt plate body 6 rotates counterclockwise and pushes the main lock assembly 11 to move vertically upward along the hole of the guide plate 1 through the three-bolt plate boss 611, and the main lock assembly 11 is pushed out to achieve locking, the lower secondary lock plate 8 rotates counterclockwise to drive the lower secondary lock assembly 10 to move vertically upward along the hole of the guide plate 1, and the upper secondary lock plate 9 rotates counterclockwise to drive the upper secondary lock assembly 12 to move vertically upward along the hole of the guide plate 1, thereby achieving the locking of the lock body;

[0027] Handle unlocking: the handle rotates clockwise, the handle pulling shaft 17 rotates clockwise accordingly, the handle pulling shaft 17 pushes the starting plate 4 to rotate clockwise, the starting plate 4 rotates clockwise to drive the pushing plate 3 to swing clockwise, the pushing plate 3 swings clockwise to drive the three-bolt plate body 6, the lower secondary lock plate 8, and the upper secondary lock plate 9 to rotate clockwise at the same time, the three-bolt plate body 6 makes the main lock assembly 11 move vertically downward through the three-bolt plate boss 611, the lower secondary lock plate 8 moves the lower secondary lock assembly 10 vertically downward through the lower secondary lock plate boss 108, and the upper secondary lock plate 9 moves the upper secondary lock assembly 12 vertically downward through the upper secondary lock plate boss 129, thereby realizing the retraction action of the main and secondary lock tongues and completing the unlocking. At the same time, the handle pull shaft 17 pushes the upper paddle 14 of the inclined bolt to rotate clockwise, and the upper paddle 14 of the inclined bolt rotates clockwise to drive the inclined bolt assembly 15 to move vertically downward along the notch of the inclined bolt support piece 18, so as to unlock the inclined bolt 151. After the inclined bolt 151 is unlocked, the handle resets counterclockwise, and the handle pull shaft 17 rotates counterclockwise. The inclined bolt assembly 15 automatically extends out under the action of the inclined bolt reset spring 19, so as to reset the inclined bolt 151 of the lock body, and facilitate the next locking, thereby helping to solve the existing mechanical lock body, whether it is one gear or two gears, once it cooperates with the fully automatic mechanism, the lock core often has a jamming and jumping gear phenomenon when it is pushed out or retracted. This unsmooth action not only damages the mechanical performance of the lock body, but also may cause the lock body to be unable to be retracted or pushed out normally, thereby affecting the overall use effect and safety.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A novel one-stage anti-jamming transmission lock body, comprising a guide plate (1), characterized in that: A lock housing (2) is mounted on the outer wall of the guide plate (1), a push plate (3) is mounted on the inner wall of the lock housing (2), a start plate (4) is rotatably connected to the inner wall of the lock housing (2), one end of the start plate (4) is connected to a lower push plate (5), a three-bolt plate body (6) is mounted on the inner wall of the lock housing (2), the three-bolt plate body (6) comprises a pin 1 (62), a pin 2 (63), a first notch (65) and a three-bolt plate boss (611), a lock core dial wheel (7) is mounted on the inner wall of the lock housing (2), the lock core dial wheel (7) is located on one side of the lower push plate (5), and one side of the lock core dial wheel (7) is A pushing boss (73) is provided on the inner wall of the lock housing (2); a lower auxiliary lock plate (8) is mounted on the inner wall of the lock housing (2); the lower auxiliary lock plate (8) comprises a pin three (82) and a pin four (38); an upper auxiliary lock plate (9) is mounted on the inner wall of the lock housing (2); the upper auxiliary lock plate (9) comprises a pin five (92) and a pin six (39); a lower auxiliary lock assembly (10) is mounted on the inner wall of the lock housing (2); the lower auxiliary lock assembly (10) comprises an auxiliary lock tongue (101) and a lower auxiliary lock plate boss (108); and a main lock assembly (11) is mounted on the inner wall of the lock housing (2).

2. A novel one-stage anti-stuck transmission lock body according to claim 1, characterized in that: The main lock assembly (11) comprises a main lock tongue (111); an upper auxiliary lock assembly (12) is mounted on the inner wall of the lock housing (2); the upper auxiliary lock assembly (12) comprises an upper auxiliary lock plate boss (129); a slanted tongue push plate (13) is mounted on the inner wall of the lock housing (2); the slanted tongue push plate (13) comprises a slanted tongue upper boss (1314); a slanted tongue upper paddle (14) is mounted on the inner wall of the lock housing (2); the slanted tongue upper boss (1314) is in contact with and connected to the slanted tongue upper paddle (14); a slanted tongue assembly (15) is mounted on the inner wall of the lock housing (2); the slanted tongue assembly The component (15) comprises a slanted tongue (151), a main lock bolt plate pressing sleeve (16) is mounted on the inner wall of the lock housing (2), the slanted tongue push plate (13) is in contact with and connected to the main lock bolt plate pressing sleeve (16) via a pin (62), a handle pull shaft (17) is mounted on the inner wall of the lock housing (2), and the handle pull shaft (17) is rotatably connected to a paddle (14) on the slanted tongue, a slanted tongue support piece (18) is mounted on the inner wall of the lock housing (2), and the slanted tongue assembly (15) is in contact with and connected to the lock housing (2) via the slanted tongue support piece (18), and a slanted tongue return spring (19) is mounted on the inner wall of the lock housing (2).

3. A novel one-stage anti-stuck transmission lock body according to claim 1, characterized in that: The three-bolt plate body (6) is rotationally connected to the lock housing (2) via a pin one (62), the three-bolt plate boss (611) is contact-connected with the main lock assembly (11), the lower secondary lock plate one (8) and the upper secondary lock plate one (9) are symmetrical structures, the two notches of the lower push plate (5) are defined on the lock housing (2), and the lower push plate (5) can only slide in a direction parallel to the notches, the main lock assembly (11) is contact-connected with the pin one (62) via the notches, the two ends of the push plate (3) are rotationally connected to the lower secondary lock plate one (8) via pin four (38), the pin six (39) is rotationally connected to the upper secondary lock plate one (9), and the lower secondary lock plate one (8) is rotationally connected to the lock housing (2) via pin three (82), and the lower secondary lock plate boss (108) is contact-connected with the lower secondary lock assembly (10).

4. A novel one-stage anti-stuck transmission lock body according to claim 2, characterized in that: The upper secondary lock plate one (9) is rotatably connected to the lock housing (2) via a pin five (92); the upper secondary lock plate boss (129) is in contact with the upper secondary lock assembly (12); and the lock housing (2), the three-bolt plate body (6), the lower secondary lock plate one (8), and the upper secondary lock plate one (9) are connected via a push plate (3) to form a parallelogram four-bar mechanism.

5. A novel one-stage anti-stuck transmission lock body according to claim 1, characterized in that: The lower auxiliary lock assembly (10) is in contact with and connected to the lock housing (2) via a pin three (82), and the lower auxiliary lock assembly (10) is in contact with and connected to the guide plate (1) via an auxiliary lock tongue one (101).

6. A novel one-stage anti-stuck transmission lock body according to claim 2, characterized in that: The upper secondary lock assembly (12) is in contact with and connected to the lock housing (2) via a pin five (92), and the upper secondary lock assembly (12) is in contact with and connected to the guide plate (1) via a secondary lock tongue one (101).