Firing safety device
By introducing components such as pull-shell hook, fuse block, fuse spring and firing needle into the firing safety device of the firearm, the function of automatically jamming the firing needle when the bullet is not installed correctly, solving the problem of accidental firing of the firing needle in the prior art and improving the safety of the firearm.
Patent Information
- Application Number
- CN202510180411.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-19
- Publication Date
- 2025-04-11
AI Technical Summary
The existing firing safety device cannot effectively prevent the firing needle from being accidentally fired when the bullet is installed incorrectly, resulting in safety accidents.
A firing safety device is designed. By setting components such as pulling shell hooks, safety blocks, safety springs and firing needles in the bolt body, using the rotational movement of the pulling shell hooks and the energy storage of the safety springs, the fuse blocks are automatically slided from the waiting position to be hit to the safety position, and jamming the firing needles to prevent accidental firing.
It effectively prevents the accidental firing of the firing needle when the bullet is installed incorrectly, improves the safety of the firearms, and avoids possible safety accidents.
Smart Images
Figure CN119803171A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of firearms, and in particular to a firing safety device. Background Art
[0002] The firing safety device is a safety device installed on the firing mechanism of conventional firearms. The device prevents accidental firing safety accidents that may be caused by improper installation of the bullet. The device is linked by the shell hook, the safety block, and the firing pin. When the bullet is installed in place, the shell hook hooks the bullet normally, the safety block is in the ready-to-fire position, and the firing pin can move forward to strike the bullet primer to form a firing; when the bullet is not installed or is not installed in place, the shell hook rotates counterclockwise, and the rear end moves upward a certain distance. At this time, the safety block slides upward synchronously and is in the safety position. Its safety boss enters the firing pin safety hole and jams the firing pin. The firing pin cannot move forward to strike the bullet primer, and the entire firing mechanism is in a safe state. The firing safety device can automatically protect the firearm, and can only form a firing when the bullet is installed in place.
[0003] Firearm safety involves personal safety issues during live-fire shooting, combat readiness duty, and operational training, and its safety requirements are particularly important. The safety of the firearm design itself, as an inherent characteristic, should be studied in detail during the design. The core of firearm safety lies in the safety of firing, in which the bullet must be fired safely and reliably under the control of the shooter, and no accidental firing when the bullet is not installed in place must occur. The function of the firing safety device is to automatically protect the bullet when it is not installed in place, preventing accidental firing when the bullet is not installed in place and causing safety accidents. Summary of the invention
[0004] The purpose of the present invention is to overcome the deficiencies of the prior art and provide a firing safety device to prevent the firing pin from accidentally firing the cartridge primer when the cartridge is incorrectly installed, thereby avoiding safety accidents.
[0005] The object of the present invention is achieved in that:
[0006] A firing safety device comprises a bolt body (1), wherein a shell extractor (2) and a firing pin hole (104) are arranged in the bolt body (1), wherein the shell extractor (2) is hinged to the bolt body (1) via a shell extractor shaft (3), wherein a shell extractor tooth (201) is arranged at the front end of the shell extractor (2), and a firing pin (6) is slidably fitted in the firing pin hole (104) of the bolt body (1).
[0007] The gun body (1) is provided with a safety block sliding guide rail (103) and a safety spring groove (105), the safety block sliding guide rail (103) and the safety spring groove (105) are coaxial and perpendicular to the firing pin (6), a safety block (4) is slidably fitted in the safety block sliding guide rail (103), a safety spring (5) is installed in the safety spring groove (105), a safety contact surface (203) is provided at the rear end of the shell extractor (2), one end of the safety block (4) acts on the safety contact surface (203) of the shell extractor (2), and the other end of the safety block (4) acts on the safety spring (5);
[0008] A strip groove is longitudinally provided on the firing pin (6), and the strip groove is slidably matched with the safety block (4). Square safety holes (602) are provided on both sides of the front end of the strip groove. Safety bosses (401) are respectively provided on both sides of the end of the safety block (4). The safety bosses (401) are slidably matched with the safety block sliding guide rail (103). The safety bosses (401) are used to limit the firing pin (6). After the safety bosses (401) of the safety block (4) enter the square safety hole (602), a safety position is formed. After the safety bosses (401) of the safety block (4) slide out of the square safety hole (602), a firing ready position is formed.
[0009] When the bullet is correctly installed, the extractor hook rotates clockwise and presses down the safety block, the safety boss of the safety block slides out of the square safety hole of the firing pin, the safety block is in the ready-to-fire position, and the firing pin is released;
[0010] When the bullet is installed incorrectly, the extractor hook rotates counterclockwise to make way, the safety block is reset under the action of the safety spring, the safety boss of the safety block enters the square safety hole of the firing pin, the safety block is in the safety position, and the firing pin is stuck.
[0011] Preferably, a shell extractor hook positioning surface (101) is provided on the gun body (1), and the shell extractor hook positioning surface (101) is used to fit with the shell extractor hook (2) to limit the lower limit position of the shell extraction tooth (201).
[0012] Preferably, safety bosses (401) are respectively provided at both ends of the safety block (4), and two sections of safety block sliding guide rails (103) are correspondingly provided in the gun body (1), and the two sections of safety block sliding guide rails (103) are connected to the firing pin hole (104) of the gun body (1), so that the safety boss (401) can slide into the firing pin hole (104).
[0013] Due to the adoption of the above technical solution, the present invention has the following beneficial effects:
[0014] The firing safety device of the present invention utilizes the extractor hook, firing pin, bolt body, etc. of the firearm extractor mechanism and firing mechanism, and automatically performs firing safety on the firing pin by adding parts such as a safety block and a safety spring. When the bullet is installed correctly, the extractor hook can hook the bullet, the safety block is in the ready-to-fire position, and the firing pin can move forward to strike the bullet primer to form a firing. When the bullet is installed incorrectly, the extractor hook cannot hook the bullet, and the safety block automatically moves upward to the safety position to clamp the firing pin, which can effectively prevent the firing pin from accidentally firing the bullet primer when the bullet is installed incorrectly, thereby avoiding safety accidents.
[0015] The firing safety device includes a bolt body, a shell extractor, a shell extractor shaft, a safety block, a safety spring, a firing pin, etc., and the related parts are installed on the bolt body. The front end of the shell extractor is designed with a shell extraction tooth, the middle is a positioning hole, and the rear end is designed with a positioning surface in contact with the safety block. The shell extractor shaft is used to position and install the shell extractor on the bolt body, and the shell extractor can rotate around the shell extractor shaft. The safety block is a rectangular structure, and safety bosses are designed on the sides at both ends. The safety block can slide up and down in the moving guide rail of the bolt body. The safety spring storage allows the safety block to reliably slide from the cocked position to the safety position. A square safety hole is designed in the middle of the firing pin. After the safety boss of the safety block enters the safety hole, it clamps the firing pin to form a safety state.
[0016] The firing safety device has the characteristics of few parts, simple structure and reliable safety action. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is an overall schematic diagram of the firing safety device;
[0018] Figure 2 It is a three-dimensional schematic diagram of the firing safety device in the safety state (the safety block blocks the firing pin);
[0019] Figure 3 It is a three-dimensional schematic diagram of the firing safety device in the cocked state (the safety block does not jam the firing pin);
[0020] Figure 4 It is a three-dimensional schematic diagram of the firing safety device gun body structure;
[0021] Figure 5 It is a three-dimensional schematic diagram of the shell hook structure of the firing safety device;
[0022] Figure 6 It is a three-dimensional schematic diagram of the shell hook shaft structure of the firing safety device;
[0023] Figure 7 It is a three-dimensional schematic diagram of the structure of the safety block of the firing safety device;
[0024] Figure 8 It is a three-dimensional schematic diagram of the safety spring structure of the firing safety device;
[0025] Fig. 9 It is a three-dimensional schematic diagram of the firing pin structure of the firing safety device. DETAILED DESCRIPTION
[0026] Referring to the attached drawings of the specification, a firing safety device of the present invention comprises: a bolt body, a shell extractor, a shell extractor shaft, a safety block, a safety spring, and a firing pin.
[0027] The firing safety device is provided with a shell extractor 2, a shell extractor shaft 3, a safety block 4, a safety spring 5, and a firing pin 6 on a gun body 1.
[0028] The bolt body 1 includes a shell extractor hook positioning surface 101, a shell extractor hook shaft hole 102, a safety block sliding guide rail 103, a firing pin hole 104, a safety spring groove 105, etc.
[0029] The shell extractor 2 is provided with a shell extractor tooth 201, a shell extractor shaft hole 202 in the middle, and a safety contact surface 203 at the rear. The shell extractor 2 hooks the bullet with the shell extractor tooth, extracts the bullet shell after firing, and controls the position of the safety block 4 by the safety contact surface 203.
[0030] The extractor shaft 3 is a cylindrical shaft pin, and the extractor shaft 2 is mounted on the gun body 1 .
[0031] The safety block 4 is in the shape of a rectangular parallelepiped, and safety bosses 401 are respectively provided on the side surfaces at both ends. The safety block 4 slides up and down in the safety block sliding guide rail 103 of the gun body 1 under the action of the shell hook 2 and the safety spring 5, and the firing pin 6 is clamped or released by the safety boss 401, forming a safety or cocking state.
[0032] The safety spring 5 uses the stored energy to reset the safety block 4 .
[0033] The front end of the firing pin 6 is provided with a firing pin tip 601 for striking the primer of the bullet, and the middle part is provided with a square safety hole 602. The safety boss 401 of the safety block 4 forms a safety state after entering the square safety hole 602, and forms a ready-to-fire state after sliding out of the square safety hole 602.
[0034] The firing safety device is installed on the firing mechanism of conventional firearms to prevent safety accidents caused by improper installation of bullets. The device is linked by the shell hook, the safety block and the firing pin. When the bullet is installed in place, the shell hook is in the normal shell extraction position to hook the bullet, the safety block is in the ready-to-fire position, and the firing pin can move forward to strike the bullet primer to fire; when the bullet is not installed or is not installed in place, and the shell hook does not hook the bullet, the shell hook rotates counterclockwise, and the rear end moves upward a certain distance. At this time, the safety block moves upward synchronously under the action of the safety spring, and the safety block is in the safety position. Its safety boss enters the firing pin safety hole upward and blocks the firing pin. The firing pin cannot move forward to strike the bullet primer, and the firing mechanism is in the safety state.
[0035] The firing safety device includes a bolt body, a shell extractor, a shell extractor shaft, a safety block, a safety spring, a firing pin, etc., and the related parts are installed on the bolt body. The front end of the shell extractor is designed with a shell extraction tooth, the middle is a positioning hole, and the rear end is designed with a positioning surface in contact with the safety block. The shell extractor shaft is used to position and install the shell extractor on the bolt body, and the shell extractor can rotate around the shell extractor shaft. The safety block is in the shape of a rectangular parallelepiped, and safety bosses are designed on the sides at both ends. The safety block can slide up and down the bolt body. The safety spring stores energy to make the safety block move upward and slide from the cocked position to the safety position. A square safety hole is designed in the middle of the firing pin. The safety boss of the safety block moves upward for a distance and enters the safety hole to jam the firing pin to form a safety state.
[0036] The firing safety device has the characteristics of few parts, simple structure and reliable safety action.
[0037] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solutions of the present invention rather than 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 in form and details without departing from the scope defined by the claims of the present invention.
Claims
1. A firing safety device, comprising a bolt body (1), wherein a shell extractor (2) and a firing pin hole (104) are arranged in the bolt body (1), wherein the shell extractor (2) is hinged to the bolt body (1) through a shell extractor shaft (3), a shell extractor tooth (201) is arranged at the front end of the shell extractor (2), and a firing pin (6) is slidably fitted in the firing pin hole (104) of the bolt body (1), characterized in that: The gun body (1) is provided with a safety block sliding guide rail (103) and a safety spring groove (105), the safety block sliding guide rail (103) and the safety spring groove (105) are coaxial and perpendicular to the firing pin (6), a safety block (4) is slidably fitted in the safety block sliding guide rail (103), a safety spring (5) is installed in the safety spring groove (105), a safety contact surface (203) is provided at the rear end of the shell extractor (2), one end of the safety block (4) acts on the safety contact surface (203) of the shell extractor (2), and the other end of the safety block (4) acts on the safety spring (5); A strip groove is longitudinally provided on the firing pin (6), and the strip groove is slidably matched with the safety block (4). Square safety holes (602) are provided on both sides of the front end of the strip groove. Safety bosses (401) are respectively provided on both sides of the end of the safety block (4). The safety bosses (401) are slidably matched with the safety block sliding guide rail (103). The safety bosses (401) are used to limit the firing pin (6). After the safety bosses (401) of the safety block (4) enter the square safety hole (602), a safety position is formed. After the safety bosses (401) of the safety block (4) slide out of the square safety hole (602), a firing ready position is formed. When the bullet is correctly installed, the extractor hook rotates clockwise and presses down the safety block, the safety boss of the safety block slides out of the square safety hole of the firing pin, the safety block is in the ready-to-fire position, and the firing pin is released; When the bullet is installed incorrectly, the extractor hook rotates counterclockwise to make way, the safety block is reset under the action of the safety spring, the safety boss of the safety block enters the square safety hole of the firing pin, the safety block is in the safety position, and the firing pin is stuck.
2. A firing safety device according to claim 1, characterized in that: The gun body (1) is provided with a shell extractor hook positioning surface (101), and the shell extractor hook positioning surface (101) is used to fit with the shell extractor hook (2) to limit the lower limit position of the shell extraction tooth (201).
3. A firing safety device according to claim 1, characterized in that: The two ends of the safety block (4) are respectively provided with safety bosses (401), and the gun body (1) is correspondingly provided with two sections of safety block sliding guide rails (103). The two sections of safety block sliding guide rails (103) are connected to the firing pin hole (104) of the gun body (1), so that the safety boss (401) can slide into the firing pin hole (104).