CN212158319U - Firing pin positioning and limiting structure assembled on frame body - Google Patents
Firing pin positioning and limiting structure assembled on frame body Download PDFInfo
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- CN212158319U CN212158319U CN202020821774.1U CN202020821774U CN212158319U CN 212158319 U CN212158319 U CN 212158319U CN 202020821774 U CN202020821774 U CN 202020821774U CN 212158319 U CN212158319 U CN 212158319U
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Abstract
The utility model discloses a firing pin positioning and limiting structure assembled on a frame body, which comprises a frame body, a frame head part, a firing pin and a firing pin, wherein the firing pin comprises a rod part and a positioning disc, the upper end of the middle part of the frame body is provided with a containing part for placing the firing pin, the front end of the containing part is provided with a limiting groove, the middle part is provided with a first step hole and a through hole which are both arranged outside the limiting groove, a positioning clamp column and a positioning clamp column spring are arranged in the first step hole, the positioning clamp column is arranged above the positioning clamp column spring and can move up and down, the middle part of the frame body is provided with a pin hole for installing the positioning clamp column pin and limiting the vertical movement of the positioning clamp column, the firing pin comprises a rod part and a head part, the rod part is arranged in the through hole of the frame body, the head part is provided with a limiting hole, the upper part of the positioning clamp column is clamped in the limiting hole, the rotation of the firing pin in the, the pin of the firing pin moves up and down for limiting, when the gunlock is in an unlocking/locking state, the rod part of the pin of the firing pin is always positioned behind the positioning disc of the firing pin, and the pin is limited axially.
Description
Technical Field
The utility model relates to a firearms technical field, concretely relates to assembly firing pin location limit structure in framework.
Background
Foreign AR series rifles such as M16, M4 and the like all adopt an elastic cotter pin structure for transversely assembling and limiting a firing pin, and the firing pin is assembled on a frame body. Foreign AK series and domestic 56 dash series, 81 formula step series, 95/95-1 formula class use rifle clan, all adopt the structure that fixed pin or elastic pin restricted the firing pin, the firing pin round pin is assembled on the locomotive body, its advantage is simple in construction, small in size, but the maintenance nature is relatively poor, it is inconvenient to maintain and wipe, have the risk of producing early ignition, the number of times of assembling and disassembling can produce fixed pin magnitude of interference and reduce or elastic pin plastic deformation, the magnitude of interference of elasticity reduces, can bring fixed pin formula firing pin round pin or elastic pin formula firing pin and flee out of the locomotive body in the work and lead to the risk of aircraft nose card dead.
Disclosure of Invention
The utility model aims at the problem that exists among the prior art, provide an assembly firing pin location limit structure in the framework, can realize that the bolt machine stops to appear "early firing" problem at the shutting in-process, and the maintenance nature of just maintaining is good, and maintenance nature is wiped and is tried conveniently, and the firing pin does not need the requirement of casing body front and back position restriction at the framework assembly.
In order to achieve the above object, the utility model adopts the following technical scheme:
a firing pin positioning and limiting structure assembled on a frame body comprises the frame body, a head part arranged in a central cavity of the frame body, a firing pin and a firing pin arranged on the frame body, wherein the firing pin comprises a rod part and a positioning disc, the rod part is assembled in the head part, the positioning disc is arranged behind the head part, the upper end of the middle part of the frame body is provided with a containing part for placing the firing pin, the front end of the containing part is provided with a limiting groove, the middle part of the containing part is vertically provided with a first step hole and a through hole, the first step hole and the through hole are arranged outside the limiting groove, a positioning clamping column and a positioning clamping column spring are arranged in the first step hole, the positioning clamping column is arranged above the positioning clamping column spring and can move up and down, the middle part of the frame body and the position corresponding to the positioning clamping column are provided with pin holes for installing the positioning clamping column pin and limiting the positioning clamping column to move up and down, the firing, the firing pin rod part is arranged in a through hole of the machine frame body, a limiting hole is formed in the head part of the firing pin, the upper part of the positioning clamp column is clamped in the limiting hole to limit the rotation of the firing pin in the machine frame body, the head part of the firing pin is clamped in the limiting groove after the firing pin is installed in the machine frame body to limit the vertical movement of the firing pin, the firing pin is prevented from jumping out of the machine frame body, and when the gunlock is in an unlocking/locking state, the rod part of the firing pin is always positioned behind the firing pin positioning disc to limit the axial direction of the firing pin.
Preferably, the top surface of the head of the firing pin is lower than the top surface of the rod of the firing pin, so that the firing pin can be conveniently clamped into the limiting groove of the frame body during installation, and the limiting hole in the head of the firing pin is a waist-shaped limiting hole.
Preferably, the positioning clamp column is a stepped shaft, a groove is formed in one axial side of the large-diameter shaft of the positioning clamp column and used for penetrating through a positioning clamp column pin, the positioning clamp column moves up and down in the limited range of the groove, and the small-diameter shaft is the head of the positioning clamp column and is in tight fit with the limiting hole in the head of the firing pin.
Preferably, the striker is located between the second stepped hole of the bolt housing and the striker pin in the bolt unlocking state, and located between the head member and the striker pin in the bolt locking state.
The utility model has the advantages that:
1. through designing into integrated into one piece's pole portion and head with the firing pin round pin, set up the holding part at frame body middle part and place the firing pin round pin, the holding part front end sets up the spacing groove, the middle part sets up shoulder hole and through-hole, install locator card post and locator card column spring and firing pin round pin pole portion respectively, after the firing pin round pin installation, its head card is in the spacing groove, and inject the rotation of firing pin round pin through the locator card post, it is spacing to the up-and-down motion and the rotation of firing pin round pin, pole portion is in firing pin positioning disc rear all the time, it is spacing to the firing pin axial, guarantee that the firing pin does not break out of frame body at the rifle bolt machine in-process of opening/.
2. The firing pin has no risk of early ignition, good maintenance and repair performance and convenient wiping, does not need the requirement of limiting the front and back positions of the case body when the firing pin is assembled on the case body, and has no falling risk.
3. The man-machine effect is good, the peripheral size of the machine head body is not occupied, and the volume of the locking part of the firearm is not increased.
4. The positioning reliability is high, the service life is long, the mechanism is simple, and the service performance is good.
5. Can be widely used in the design of similar weapons, and has good portability.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of the present invention;
FIG. 3 is a schematic structural diagram of a frame body;
FIG. 4 is a front view of the frame body;
FIG. 5 is a top view of the frame body;
FIG. 6 is a schematic structural view of the striker pin;
FIG. 7 is a front view of the striker pin;
FIG. 8 is a left side view of the striker pin;
FIG. 9 is a schematic view of the striker pin configuration;
fig. 10 is a schematic structural view of the positioning clip.
Reference numerals
1. A frame body; 2. a nose section; 3. a needle striking pin; 4. a firing pin; 5. positioning a clamp column spring; 6. positioning a clamping pin; 7. positioning the clamp column;
101. an accommodating portion; 102. a through hole; 103. a limiting groove; 104. a first stepped bore; 105. a pin hole; 106. a second stepped bore;
301. a striker pin head; 302. a limiting hole; 303. a striker pin rod portion;
401. a firing pin rod part; 402. a firing pin positioning disc;
701. a groove; 702. and positioning the head of the clamping column.
Detailed Description
The working principle and structure of the present invention will be described in further detail with reference to the following embodiments and accompanying drawings.
As shown in fig. 1 to 10, a firing pin positioning and limiting structure assembled on a frame body comprises a frame body 1, a nose part 2 installed in a central cavity of the frame body 1, a firing pin 4 and a firing pin 3 installed on the frame body, wherein the firing pin 4 comprises a rod part 401 and a positioning disc 402, the rod part 401 is assembled in the nose part 2, the positioning disc 402 is arranged behind the nose part 2, an accommodating part 101 is arranged at the upper end of the middle part of the frame body 1 and used for accommodating the firing pin 3, a limiting groove 103 is arranged at the front end of the accommodating part 101, a first stepped hole 104 and a through hole 105 are vertically arranged in the middle part, the first stepped hole 104 and the through hole 105 are arranged outside the limiting groove 103, a positioning clamping column 7 and a positioning clamping column spring 5 are installed in the first stepped hole 104, the positioning clamping column 7 is arranged above the positioning clamping column spring 5 and can move up and down, a pin hole 105 is arranged in the middle part of the frame body 1 and at a position corresponding to the, the pin striking pin 3 is used for installing a positioning clamp pin 6 and limiting up and down movement of a positioning clamp pin 7, the pin striking pin 3 comprises a rod part 303 and a head part 301, the rod part 303 of the pin striking pin is arranged in a through hole 102 of a frame body, the head part 301 of the pin striking pin is provided with a limiting hole 302, the upper part of the positioning clamp pin 7 is clamped in the limiting hole 302 to limit rotation of the pin striking pin 3 in the frame body 1, the head part 301 of the pin striking pin 3 is clamped in the limiting groove 103 after the pin striking pin is installed in the frame body 1 to limit up and down movement of the pin striking pin, so that the pin striking pin 3 is prevented from escaping from the frame body 1, and when a gun is in an unlocking/locking state, the rod part 303 of the pin striking pin is always positioned behind a pin positioning.
As shown in fig. 6 to 8, in the present embodiment, the top surface of the head portion 301 of the striking pin is lower than the top surface of the rod portion 303 of the striking pin, so that the striking pin 3 is conveniently clamped into the limiting groove 103 of the frame body when being installed, and the limiting hole 302 of the head portion of the striking pin is a waist-shaped limiting hole.
As shown in fig. 10, in this embodiment, the positioning clip column 7 is a stepped shaft, a groove 701 is provided on one axial side of the large diameter shaft for passing through the positioning clip column pin 6, so that the positioning clip column 7 moves up and down within the limited range of the groove 701, and the small diameter shaft is a positioning clip column head and tightly fits with the firing pin head limiting hole 302.
As shown in fig. 9, the striker 4 is located between the second stepped hole 106 of the frame body and the striker pin 3 in the bolt unlocking state, and between the head member 2 and the striker pin 3 in the locking state.
The utility model discloses a working process:
during assembly, the frame head part is installed in the frame body and is in an unlocking state, the firing pin is installed in the frame head part and is positioned at the forefront, the rod part of the firing pin is installed in the through hole in the frame body, the head part of the positioning clamping column is pressed down by the head part of the firing pin, the head part of the firing pin is rotated into the limiting groove in the frame body, and assembly is completed when the head part of the positioning clamping column falls into the anti-rotation limiting hole in the head part of the firing pin.
When the gun bolt is disassembled, the punch is used for pressing down the head of the positioning clamping column and rotating outwards, and after the head of the firing pin is separated from the limiting groove on the machine frame body, the firing pin is taken out, so that the firing pin, the machine head part and other parts can be taken out to complete the disassembly of the gun bolt.
The utility model discloses can realize that the bolt machine does not have "early ignition" risk at the shutting in-process, the maintenance nature of maintaining is good, and it is convenient to wipe, and the firing pin round pin does not need the requirement of casing body front and back position restriction when assembling in the framework to do not have the flee out and the security of droing, assurance bolt machine.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (4)
1. The utility model provides an assembly hits needle round pin location limit structure in framework, includes the framework, installs the nose piece spare in framework center cavity, hits the needle and installs the hit needle round pin in the framework, the hit needle includes pole portion and positioning disc, and pole portion assembly is in nose piece spare, and the positioning disc is arranged in nose piece spare rear, its characterized in that: the upper end of the middle part of the frame body is provided with an accommodating part for placing a firing pin, the front end of the accommodating part is provided with a limiting groove, the middle part is vertically provided with a first step hole and a through hole, the first step hole and the through hole are arranged outside the limiting groove, a positioning clamp column and a positioning clamp column spring are arranged in the first step hole, the positioning clamp column is arranged above the positioning clamp column spring and can move up and down, the middle part of the frame body and the position corresponding to the positioning clamp column are provided with a pin hole for installing the positioning clamp column pin and limiting the up-and-down movement of the positioning clamp column, the firing pin comprises a rod part and a head part, the rod part of the firing pin is arranged in the through hole of the frame body, the head part of the firing pin is provided with a limiting hole, the upper part of the positioning clamp column is clamped in the limiting hole to limit the rotation of the firing pin in the frame body, the firing pin is arranged behind the frame body, the head part of the, the firing pin is prevented from jumping out of the machine frame body, and when the gun is in an unlocking/locking state, the rod part of the firing pin is always positioned behind the firing pin positioning disc to axially limit the firing pin.
2. The striker pin positioning and retaining structure for mounting on a frame body according to claim 1, wherein: the top surface of the head of the pin striking pin is lower than the top surface of the rod of the pin striking pin, so that the pin striking pin can be conveniently clamped into the limiting groove of the frame body when being installed, and the limiting hole of the head of the pin striking pin is a waist-shaped limiting hole.
3. The striker pin positioning and retaining structure for mounting on a frame body according to claim 1, wherein: the locating clamp column is a stepped shaft, one axial side of the large-diameter shaft of the locating clamp column is provided with a groove for penetrating a locating clamp column pin, so that the locating clamp column moves up and down in the limited range of the groove, and the small-diameter shaft is the head of the locating clamp column and is tightly matched with the limiting hole of the head of the firing pin.
4. The striker pin positioning and retaining structure for mounting on a frame body according to claim 1, wherein: the firing pin is located between the second stepped hole of the frame body and the firing pin when the bolt is in an unlocking state, and is located between the head part and the firing pin when the bolt is in a locking state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020821774.1U CN212158319U (en) | 2020-05-18 | 2020-05-18 | Firing pin positioning and limiting structure assembled on frame body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020821774.1U CN212158319U (en) | 2020-05-18 | 2020-05-18 | Firing pin positioning and limiting structure assembled on frame body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212158319U true CN212158319U (en) | 2020-12-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020821774.1U Active CN212158319U (en) | 2020-05-18 | 2020-05-18 | Firing pin positioning and limiting structure assembled on frame body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212158319U (en) |
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2020
- 2020-05-18 CN CN202020821774.1U patent/CN212158319U/en active Active
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