CN213873970U - Automatic inertia percussion preventing mechanism for firearms - Google Patents
Automatic inertia percussion preventing mechanism for firearms Download PDFInfo
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- CN213873970U CN213873970U CN202023089955.9U CN202023089955U CN213873970U CN 213873970 U CN213873970 U CN 213873970U CN 202023089955 U CN202023089955 U CN 202023089955U CN 213873970 U CN213873970 U CN 213873970U
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Abstract
The utility model provides an inertia-proof percussion automatic machine mechanism for firearms, which comprises a firearms frame, a firearms head and a firing pin, wherein a firearms head rod hole and a firing pin hole are arranged in the firearms frame for containing the firearms head rod part and the firing pin, a limiting pin mounting hole is arranged on the firearms frame, the limiting pin is positioned above the firing pin hole and is axially vertical to the firing pin hole, a limiting pin is mounted, the firearms head is axially provided with a firing pin cylindrical hole and a return spring hole for containing the firing pin and a return spring, the firing pin comprises a large cylindrical part, a disc part and a flat cylindrical part, the return spring is sleeved on the flat cylindrical part of the firing pin, one end of the return spring is butted on the front end surface of the return spring hole of the firearms head, the other end of the return spring is butted on the disc part of the firing pin for pushing the firing pin to the rear side all the time under the non-firing state, the firing pin is prevented from contacting with the primer under the non-firing state, the limiting pin is arranged behind the disc part of the firing pin for connecting the firing pin to the firing pin on the firearms frame, the rear side motion of the firing pin is limited, the utility model discloses can prevent effectively that the automaton inertia from percussion, improve the automaton and use the installation performance.
Description
Technical Field
The utility model relates to a firearms technical field specifically is an inertia percussion automatic machine mechanism is prevented to firearms.
Background
The automatic gun structure is an important component of a gun, the reciprocating motion of the gun is realized under the action of a recoil spring and a piston rod, and a firing pin realizes firing under the action of striking of a hammer.
At present, a common domestic and overseas automatic firearm machine usually consists of a firearm frame and a machine head (including a firing pin and the like), as shown in fig. 1, for example, a famous 03-type product in China, the automatic firearm machine consists of the firearm frame and the machine head, wherein the firing pin is connected with the machine head, when the automatic machine moves back, the firing pin contacts primer due to inertia, and if the firing pin is sensitive to the primer, the inertia energy of the firing pin can fire the primer, so that the shell explosion and chamber explosion faults can damage the firearm and injure soldiers. In recent years, in the process of using the 03 type rifle, the army has the case of shell explosion and chamber explosion faults caused by sensitive primer, and the normal use of the firearm is influenced.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model provides an inertia percussion automata mechanism is prevented to firearms can effectively avoid the automatic machine structure of the sensitive primer of striker inertia percussion, simple structure, safe and reliable.
The utility model relates to an inertia percussion-proof automatic machine mechanism for firearms, which comprises a firearms frame, a machine head and a firing pin, wherein the machine head and the firing pin are sleeved in the firearms frame, one end of the firing pin penetrates into the machine head, a coaxial machine head rod hole and a firing pin hole are arranged in the firearms frame along the axial direction, the machine head rod hole is used for accommodating the machine head rod part, the firing pin hole is used for accommodating the firing pin, a limiting pin mounting hole is arranged on the firearms frame, is positioned above the firing pin hole and is axially vertical to the firing pin hole for mounting a limiting pin, the machine head is provided with a coaxial firing pin cylindrical hole and a return spring hole along the axial direction, the firing pin cylindrical hole is used for accommodating the firing pin, the return spring hole is used for accommodating a return spring, the firing pin is a stepped shaft, and comprises a large cylindrical part at the rear end, a disk part at the middle end and a flat cylindrical part at the front end, the return spring part at the front end is sleeved on the flat cylindrical part of the firing pin, one end is abutted to the disk part of the firing pin, the limiting pin is arranged behind the striker disc part and used for connecting the striker on a gunlock frame and limiting backward movement of the striker.
Preferably, the big cylinder portion of firing pin extends to the frame outside for bear the hammer power of beating, and the disk portion is arranged in the firing pin hole of frame, as the direction of firing pin axial motion and the support of needle return spring for the restriction firing pin axial position, bear the spring force of needle return spring and the protrusion of restriction firing pin, oblate cylinder portion inserts in the firing pin cylinder hole of aircraft nose, is used for cooperating with the aircraft nose, forms axial direction.
The utility model has the advantages that:
1. the existing connection mode of the firing pin and the machine head is changed, the firing pin is separated from the machine head and connected to the machine frame, and the firing pin is pushed to the rear under the action of the return spring, so that the firing pin is not contacted with primer in the automatic machine re-advancing process, the possibility of inertial firing caused by accidental sensitive primer is avoided, and the damage to firearms and even the personnel safety are avoided.
2. Novel structure, the installation is reliable, and the assembly is simple, and easy maintenance, the service is good.
Drawings
FIG. 1 is a schematic diagram of a prior art automaton;
FIG. 2 is a schematic diagram of the automatic machine of the present invention;
FIG. 3 is a schematic structural view of the present invention, including the automatic machine, the recoil spring, the piston rod and the hammer;
FIG. 4 is a schematic structural view of the center gun frame of the present invention;
FIG. 5 is a schematic structural view of a handpiece of the present invention;
fig. 6 is a schematic structural view of the hitting pin of the present invention.
In the drawings: 1-a gunlock frame, 11-a nose rod hole, 12-a striking pin hole, 13-a limiting pin mounting hole,
2-a machine head, 21-a firing pin cylindrical hole, 22-a return spring hole,
3-firing pin, 31-oblate column part, 32-disc part, 33-large column part,
4-needle returning spring, 5-limiting pin, 6-recoil spring, 7-piston rod and 8-hammer.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the accompanying drawings.
The utility model takes the shooting direction of the firearms as the front,
as shown in fig. 2 to 6, an automatic machine mechanism for preventing inertia firing of a firearm comprises a firearm frame 1, a machine head 2 and a firing pin 3 which are sleeved in the firearm frame 1, wherein one end of the firing pin 3 penetrates into the machine head 2, a coaxial machine head rod hole 11 and a firing pin hole 12 are axially arranged in the firearm frame 1, the machine head rod hole 11 is used for accommodating a machine head rod part, the firing pin hole 12 is used for accommodating the firing pin 3, a limiting pin mounting hole 13 is arranged on the firearm frame 1, is positioned above the firing pin hole 12 and is axially vertical to the firing pin hole 12 and is used for mounting a limiting pin 5, a coaxial firing pin cylindrical hole 21 and a return pin spring hole 22 are axially arranged on the machine head 2, the firing pin cylindrical hole 21 is used for accommodating the firing pin 3, the return pin spring hole 22 is used for accommodating a return pin spring 4, the firing pin 3 is in a stepped shaft shape and comprises a large cylindrical part 33 at the rear end, a disc part 32 at the middle end and a flat cylindrical part 31 at the front end, the return pin 4 is sleeved on the flat part 31 of the firing pin, one end of the limiting pin abuts against the front end face of the backpin spring hole 22 of the machine head, the other end of the limiting pin abuts against the disk part 32 of the firing pin and is used for pushing the firing pin 3 to the rear all the time in a non-firing hammer striking state so as to prevent the firing pin 3 from contacting with primer in a non-firing state, and the limiting pin 5 is arranged behind the firing pin disk part 32 and is used for connecting the firing pin 3 to the gun frame 1 and limiting the backward movement of the firing pin 3.
In this embodiment, the large cylindrical part 33 of the striker extends to the outside of the bolt frame 1 to bear the striking force of the hammer 8, the disc part 32 is disposed in the striker hole 12 of the bolt frame to serve as a guide for the axial movement of the striker 3 and a support for the return spring 4 to limit the axial position of the striker 3, bear the spring force of the return spring 4 and limit the projection amount of the striker 3, so as to effectively push the striker 3 to the rear and prevent the striker 3 from inertial contact with primer, and the flat cylindrical part 31 is inserted into the striker cylindrical hole 21 of the nose to cooperate with the nose 2 to form axial guide.
The utility model discloses when using, rifle frame 1 recoil under the piston rod 7 effect, compression recoil spring 6, simultaneously press down hammer 8, then, rifle frame 1 drives aircraft nose 2 under the recoil spring force effect and pushes away the bullet recoil, aircraft nose 2 presses withdrawal needle spring 4 simultaneously and targets in place until the automaton recoil, accomplish the shutting, the automaton shutting in-process, striker 3 remains at the rear all the time under the effect of return spring 4, when needing the percussion, release hammer 8, striker 8 strikes striker 3, striker 3 moves forward, compression return spring 4, until striker 2 protrusion aircraft nose 2 bullet bottom nest planes, thereby the primer is struck, realize the transmission.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (2)
1. The utility model provides an inertia percussion automata mechanism is prevented to firearms, includes the rifle frame, overlaps the aircraft nose and the firing pin of establishing in the rifle frame, in the firing pin one end penetrated the aircraft nose, its characterized in that: the gun frame is internally provided with a coaxial head rod hole and a firing pin hole along the axial direction, the head rod hole is used for accommodating a head rod part, the firing pin hole is used for accommodating a firing pin, the gun frame is provided with a limiting pin mounting hole which is positioned above the firing pin hole and is axially vertical to the firing pin hole and used for mounting a limiting pin, the head is provided with a coaxial firing pin cylindrical hole and a return pin spring hole along the axial direction, the firing pin cylindrical hole is used for accommodating the firing pin, the return pin spring hole is used for accommodating a return pin spring, the firing pin is a stepped shaft and comprises a large cylindrical part at the rear end, a disc part at the middle end and a flat cylindrical part at the front end, the return pin spring is sleeved on the flat cylindrical part of the firing pin, one end of the return pin spring is abutted against the front end surface of the return pin spring hole of the head, the other end of the return pin is abutted against the disc part of the firing pin for pushing the firing pin to the rear all the time in a non-firing state so as to avoid the firing pin from contacting with a primer in the non-firing state, the limiting pin is arranged behind the disc part of the firing pin, used for connecting the firing pin to the gunlock frame and limiting the backward movement of the firing pin.
2. The automatic inertia-triggered machine prevention mechanism for firearms of claim 1, wherein: the big cylinder portion of striker extends to outside the bolt frame for bear the hammer power of striking, and it is downthehole that the striker of bolt frame is arranged in to disc portion, as striker axial motion's direction and the support of needle return spring for the spring power of restriction striker axial position, bearing needle return spring and the amount of protrusion of restriction striker, oblate cylinder portion inserts in the striker cylinder hole of aircraft nose, is used for cooperating with the aircraft nose, forms the axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023089955.9U CN213873970U (en) | 2020-12-21 | 2020-12-21 | Automatic inertia percussion preventing mechanism for firearms |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023089955.9U CN213873970U (en) | 2020-12-21 | 2020-12-21 | Automatic inertia percussion preventing mechanism for firearms |
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| Publication Number | Publication Date |
|---|---|
| CN213873970U true CN213873970U (en) | 2021-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023089955.9U Active CN213873970U (en) | 2020-12-21 | 2020-12-21 | Automatic inertia percussion preventing mechanism for firearms |
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| CN (1) | CN213873970U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114923363A (en) * | 2022-05-20 | 2022-08-19 | 重庆建设工业(集团)有限责任公司 | Two-section firing mechanism for firing pin |
-
2020
- 2020-12-21 CN CN202023089955.9U patent/CN213873970U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114923363A (en) * | 2022-05-20 | 2022-08-19 | 重庆建设工业(集团)有限责任公司 | Two-section firing mechanism for firing pin |
| CN114923363B (en) * | 2022-05-20 | 2023-08-11 | 重庆建设工业(集团)有限责任公司 | Two-section type firing mechanism for firing pin |
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