A corner shot system trigger linkage

The transmission mechanism using a flexible steel wire rope and sheath solves the reliability problem of indirect control during corner firing of firearms, achieving stable and reliable trigger reset and improving shooting accuracy and safety.

CN117739738BActive Publication Date: 2026-05-19CHONGQING ZHUJIANG OPTOELECTRONICS TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CHONGQING ZHUJIANG OPTOELECTRONICS TECH
Filing Date
2024-01-10
Publication Date
2026-05-19

AI Technical Summary

Technical Problem

Existing firearms lack accurate and reliable indirect control devices when firing around corners, which affects shooting accuracy and safety.

Method used

The transmission mechanism employs a flexible steel wire rope and sheath, connecting the gun base and rear frame via a steel wire rope assembly to achieve a 1:1 trigger force transmission. Combined with an auxiliary trigger return spring and return shaft, it ensures stable and reliable trigger return.

Benefits of technology

It achieves stability and reliability of the corner firing system, improves firing accuracy, has a simple structure, and does not affect firing habits.

✦ Generated by Eureka AI based on patent content.

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    Figure CN117739738B_ABST
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Abstract

The application discloses a trigger linkage device of a corner shooting system, which can realize firing of a front-end firearm of the corner shooting system, guarantees shooting stability and reliability, and improves shooting accuracy. When a driving trigger is pulled, a trigger wheel presses the lower end of a transmission rod, the upper end of the transmission rod pulls a sliding block backward through a steel wire rope, a roller connected to the sliding block drives a trigger of the firearm, the firearm is fired, and after the firearm is fired, a reset spring of an auxiliary trigger drives the sliding block to return to the original position, and a trigger reset spring is used for driving the driving trigger to return to the original position.
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Description

Technical Field

[0001] This invention relates to the field of firearms technology, and in particular to a trigger linkage device for a corner firing system. Background Technology

[0002] In order to ensure concealment and improve safety during the use of firearms, indirect control of the firing of firearms is required. At present, there are few highly accurate and reliable devices, and they are inconvenient to operate, which affects the shooting accuracy. Summary of the Invention

[0003] The purpose of this invention is to overcome the shortcomings of the prior art and provide a trigger linkage device for a corner firing system, which can enable the firing of the front firearm of the corner firing system, ensuring the stability and reliability of shooting and improving shooting accuracy.

[0004] The objective of this invention is achieved as follows:

[0005] A trigger linkage device for a corner firing system includes a gun mount and a rear frame.

[0006] The gun holder is used to connect to the firearm. The gun holder is provided with an auxiliary trigger. The auxiliary trigger includes an auxiliary trigger shaft, a slider, a roller, and an auxiliary trigger return spring. The gun holder has a mounting cavity. An auxiliary trigger return shaft is arranged longitudinally in the mounting cavity. The slider is slidably engaged with the auxiliary trigger return shaft. The auxiliary trigger return spring is disposed between the slider and the gun holder. The auxiliary trigger shaft is fixed to one side of the slider. The roller is sleeved on the auxiliary trigger shaft and is rotatable.

[0007] The rear frame body has a trigger system similar to a pistol. The rear frame body is equipped with a transmission rod assembly and a trigger assembly. The transmission rod assembly includes a transmission rod. The middle part of the transmission rod is hinged to the rear frame body through a second transmission pin. The upper end of the transmission rod is provided with a first transmission pin. A steel wire rope is connected between the first transmission pin and the slider.

[0008] The trigger assembly includes a drive trigger, the middle part of which is hinged to the rear frame via a second trigger pin. A trigger return spring is provided between the drive trigger and the rear frame. A first trigger pin is provided at the upper end of the drive trigger, and a trigger wheel is sleeved on the first trigger pin. The trigger wheel can rotate. The lower end of the drive trigger is used for pulling. The trigger wheel is in contact with the lower end of the transmission rod from the rear. When the drive trigger is pulled, the trigger wheel presses down on the lower end of the transmission rod. The upper end of the transmission rod pulls the slider backward via a steel wire rope. The roller connected to the slider drives the trigger of the firearm, causing the firearm to fire. After the firearm fires, the auxiliary trigger return spring drives the slider back to its original position. The trigger return spring is used to drive the drive trigger back to its original position.

[0009] Preferably, a steel wire interface is fixed inside the slider, and a steel wire rope is connected to the steel wire interface.

[0010] Preferably, the wire interface is threaded into the hole of the slider and locked by a nut. The axial position of the wire interface can be adjusted by adjusting the nut so that the roller fits against the gun trigger.

[0011] Preferably, the wire rope is provided with a flexible wire sheath, and the two ends of the wire sheath are fixed to the gun mount and the rear frame, respectively.

[0012] Due to the adoption of the above technical solution, the present invention has the following beneficial effects:

[0013] This invention has a simple structure. It uses a flexible transmission mechanism to control the trigger of the pistol to fire in a corner shooting system. The steel wire sheath of the steel wire rope assembly fixes the gun base and the rear frame at both ends, and the appropriate bend in the middle does not affect the movement of the middle steel wire rope 61 (note: the small radius affects the trigger force and the movement of the steel wire rope). The increase in trigger force in the corner shooting system is small (due to the friction between the steel wire rope and the steel wire sheath). The moving distance is 1:1, and the linkage method is stable and reliable.

[0014] This invention, through research on the trigger firing mechanism of a corner firing system, utilizes a flexible steel wire rope and sheath to achieve a 1:1 transmission ratio, resulting in minimal force variation and no impact on firing habits. This device can be widely applied to various types of equipment for indirect control. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of the present invention;

[0016] Figure 2 This is a schematic diagram of the wire rope assembly connection.

[0017] Figure 3 A schematic diagram of the auxiliary trigger operation of the present invention;

[0018] Figure 4 This is a schematic diagram of the auxiliary trigger structure;

[0019] Figure 5 This is a schematic diagram of the trigger mechanism;

[0020] Figure 6 This is a schematic diagram of the transmission rod assembly;

[0021] Figure 7 This is a schematic diagram of the trigger assembly.

[0022] Figure Labels

[0023] In the attached diagram: 1-gun mount, 2-auxiliary trigger; 3-rear frame, 4-transmission rod assembly, 5-trigger assembly, 6-wire rope assembly;

[0024] 21-Auxiliary trigger shaft, 22-Slider, 23-Roller, 24-Retaining ring, 25-Nut, 26-Wire interface, 27-Auxiliary trigger return spring, 28-Auxiliary trigger return shaft;

[0025] 41-Transmission rod, 42-First transmission pin, 43-Second transmission pin, 44-Retaining ring;

[0026] 51-Trigger, 52-First trigger pin, 53-Second trigger pin, 54-Trigger wheel, 55-Trigger return spring; 61-Wire rope, 62-Wire sheath. Detailed Implementation

[0027] See Figures 1-7 This is a trigger linkage device for a corner firing system, including a gun base 1. The gun base is equipped with a gun connection mechanism (not shown, which can adopt various existing clamping structures, such as direct bolt connection, or a clamping plate tightened with bolts, or a clamping frame, depending on the needs) and an auxiliary trigger 2. The gun connection mechanism firmly fixes the gun. The auxiliary trigger 2 includes an auxiliary trigger shaft 21, a slider 22, a roller 23, a retaining ring 24, a nut 25, and a wire interface 26. The auxiliary trigger return spring 27 and auxiliary trigger return shaft 28 are provided; the rear frame 3 is provided with a transmission rod assembly 4 and a trigger assembly 5; the transmission rod assembly 4 includes a transmission rod 41, a first transmission pin 42, a second transmission pin 43, and a retaining ring 44; the trigger assembly 5 includes a drive trigger 51, a first trigger pin 52, a second trigger pin 53, a trigger wheel 54, and a trigger return spring 55; the auxiliary trigger and the trigger transmission rod are connected by a wire rope assembly 6, which is provided with a wire rope 61 and an outer flexible wire sheath 62. A retaining ring 24 is clamped on the auxiliary trigger shaft 21, and the retaining ring 24 axially positions the roller 23. The components of the auxiliary trigger 2 constitute the firearm trigger firing device.

[0028] Pulling the trigger of the corner firing system causes trigger assembly 5 to drive transmission rod assembly 4, moving wire rope 61 towards the trigger. Wire rope 61 then drives wire interface 26, auxiliary trigger shaft 21, and roller 23 towards the trigger until the pistol trigger fires. Releasing the corner firing system trigger... Figure 1 As shown.

[0029] The flexible transmission mechanism uses a steel wire sheath 62 of a steel wire rope group 6 to fix the gun base 1 and the rear frame 3 at both ends respectively. The appropriate bend in the middle does not affect the movement of the middle steel wire rope 61 (note: the small radius affects the trigger force and the movement of the steel wire rope). The trigger force of the corner shooting system increases less (due to the friction between the steel wire rope and the steel wire sheath), the moving distance is 1:1, and the linkage method is stable and reliable.

[0030] The trigger return spring 55 ensures that the trigger can automatically return to its original position after being released, thus ensuring the stability and reliability of shooting.

[0031] One end of the wire rope 61 of the wire rope assembly 6 is limited by a steel ball, and the other end passes through the small hole of the first transmission pin 42 on the transmission rod 41. The other end of the wire rope 61 is inserted into the wire interface 26 and the interface is pressed to prevent the wire rope 61 from falling off.

[0032] The wire interface 26 is fitted with a nut 25. The nut 25 is adjusted to ensure that the roller 23 just contacts the pistol trigger, reducing the free return of the trigger in the corner shooting system. The wire interface 26 and the nut 25 are fixed with thread-locking adhesive to ensure the stability and reliability of shooting.

[0033] The auxiliary trigger 2 is equipped with an auxiliary trigger return spring 27 and an auxiliary trigger return shaft 28 to ensure that the pistol trigger can be accurately, reliably and quickly reset after firing for the next shot.

[0034] In this invention, the steel wire rope moves within the steel wire sheath under force, achieving linkage between the front and rear devices. The corner firing system fixes the pistol to the front gun mount, and fires by controlling the front pistol trigger through the rear trigger. It has a simple structure, can turn corners and fold, and the positions of the pistol trigger and the corner firing system trigger are not fixed, achieving flexible transmission in three-dimensional space. The linkage method is stable and reliable.

[0035] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made to it in form and detail without departing from the scope defined by the claims of the present invention.

Claims

1. A trigger linkage device for a corner firing system, characterized in that: Includes gun mount (1) and rear frame (3), The gun holder (1) is used to connect to the firearm. The gun holder (1) is provided with an auxiliary trigger (2). The auxiliary trigger (2) includes an auxiliary trigger shaft (21), a slider (22), a roller (23), and an auxiliary trigger return spring (27). An auxiliary trigger return shaft (28) is provided in the gun holder (1) along the longitudinal direction. The slider (22) is slidably fitted on the auxiliary trigger return shaft (28). The auxiliary trigger return spring (27) is disposed between the slider (22) and the gun holder (1). The auxiliary trigger shaft (21) is fixed on the transverse side of the slider (22). The roller (23) is sleeved on the auxiliary trigger shaft (21) and the roller (23) can rotate. The rear frame (3) is provided with a transmission rod assembly (4) and a trigger assembly (5). The transmission rod assembly (4) includes a transmission rod (41). The middle part of the transmission rod (41) is hinged to the rear frame (3) through a second transmission pin (43). The upper end of the transmission rod (41) is provided with a first transmission pin (42). A steel wire rope (61) is connected between the first transmission pin (42) and the slider (22). The trigger assembly (5) includes a drive trigger (51), the middle part of which is hinged to the rear frame (3) via a second trigger pin (53). A trigger return spring (55) is provided between the drive trigger (51) and the rear frame (3). A first trigger pin (52) is provided at the upper end of the drive trigger (51), and a trigger wheel (54) is sleeved on the first trigger pin (52). The trigger wheel (54) is rotatable, and the lower end of the drive trigger (51) is used for pulling. When the drive trigger (51) is pulled from behind and the lower end of the transmission rod (41) is engaged, the trigger wheel (54) presses down on the lower end of the transmission rod (41), and the upper end of the transmission rod (41) pulls the slider (22) backward through the wire rope (61). The roller (23) connected to the slider (22) drives the trigger of the firearm, causing the firearm to fire. After the firearm is fired, the auxiliary trigger return spring (27) drives the slider (22) back to its original position, and the trigger return spring (55) is used to drive the drive trigger (51) back to its original position.

2. The trigger linkage device for a corner firing system according to claim 1, characterized in that: The slider (22) has a wire interface (26) fixed inside, and the wire rope (61) is connected to the wire interface (26).

3. The trigger linkage device for a corner firing system according to claim 2, characterized in that: The wire interface (26) is threaded into the hole of the slider (22) and is locked by a nut. The axial position of the wire interface (26) can be adjusted by adjusting the nut (25) so that the roller (23) fits against the gun trigger.

4. The trigger linkage device for a corner firing system according to claim 1, characterized in that: The wire rope (61) is provided with a flexible wire sheath (62), and the two ends of the wire sheath (62) are fixed to the gun base (1) and the rear frame (3) respectively.