CN201748851U - Single shot bolt moving rifle bolt - Google Patents
Single shot bolt moving rifle bolt Download PDFInfo
- Publication number
- CN201748851U CN201748851U CN 201020252776 CN201020252776U CN201748851U CN 201748851 U CN201748851 U CN 201748851U CN 201020252776 CN201020252776 CN 201020252776 CN 201020252776 U CN201020252776 U CN 201020252776U CN 201748851 U CN201748851 U CN 201748851U
- Authority
- CN
- China
- Prior art keywords
- gunlock
- firing
- pin
- firing pin
- rifle bolt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000010304 firing Methods 0.000 claims abstract description 52
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000035945 sensitivity Effects 0.000 abstract description 2
- 238000009527 percussion Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
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Abstract
The utility model discloses a single shot bolt moving rifle bolt, which comprises a rifle bolt body, wherein a stepped inner bore is formed inside the rifle bolt body, a firing mechanism is arranged in the bore, and an extractor is arranged at the front end of the rifle bolt body. The single shot bolt moving rifle bolt is characterized in that the firing mechanism comprises a firing pin arranged in a small-diameter inner bore formed at the front end of the rifle bolt body, and a hammer spring for hammering and matching, wherein the hammer spring for hammering and matching is arranged in a large- diameter inner bore formed at the rear end of the rifle bolt body, and the hammer spring is used for providing forward firing force to a driving hammer during the firing; a concave plane is arranged on the side edge of the firing pin, a firing needle pin is arranged at the small-diameter inner bore at the front end of the rifle bolt body and in a position corresponding to the concave plane; and the firing needle pin is used for limiting the backward moving of the firing pin. Compared with the prior art, the utility model has the advantages that the firing accuracy and the sensitivity are high, the difficulty in processing the inner bore of the rifle bolt body is low and the processing accuracy is high, a case-ejecting structure is more compact, and the occupied space is small.
Description
Technical field
The utility model relates to the firearms field, especially a kind of gunlock part-structure of single-shot bolt dynamic formula rifle.
Background technology
Single-shot bolt dynamic formula rifle is a kind of traditional rifle, and its gunlock part-structure comprises the gunlock body, is provided with the step endoporus in the gunlock body, is provided with firing lock in the hole, and gunlock body front end is provided with extractor; Wherein, described firing lock comprises the cylindrical firing pin of step and is assemblied in the striker spring of firing pin rear end, and firing pin compresses striker spring backward and loads during work, and firing pin travels forward under the striker spring effect and clashes into bullet primers, percussion bullet during percussion.Wherein compress in the process of striker spring, firing pin integral body 5 ㎜～12 ㎜ that will shrink back, the firing pin front end bumps and off-energy with inner hole wall easily when percussion like this, and it is low to pull the trigger sensitivity, sometimes even can cause the phenomenon that is difficult to finish percussion.In addition, in the existing structure, owing to be the step endoporus in the gunlock body, little hole depth is bigger, so machining accuracy is difficult to guarantee that difficulty of processing is big.Do not have extractor in the existing gunlock body structure simultaneously, need cooperate just with the ejector on being arranged on casing and can finish ejection, occupation space is big like this, the structural configuration difficulty, and processing request is higher, the locking intensity that also will influence gunlock that has.
The utility model content
The primary technical problem that solves of the utility model is that firing pin front end and inner hole wall collide and off-energy when avoiding pulling the trigger, and improve the percussion reliability; The technical problem of less important solution is the defective that solves gunlock body endoporus difficult processing; The technical problem that will solve is the structural configuration and the locking strength problem of extractor once more.
In order to solve the problems of the technologies described above, adopted following technical scheme in the utility model:
A kind of single-shot bolt dynamic formula gunlock, comprise the gunlock body, be provided with the step endoporus in the gunlock body, be provided with firing lock in the hole, gunlock body front end is provided with extractor, its characteristics are, described firing lock comprises the firing pin that is arranged in the gunlock body front end minor diameter endoporus, be arranged at the hammer in the larger diameter internal bore of gunlock body rear end and the mainspring of coupling, provides the power of percussion forward to hammer when mainspring is used to pull the trigger; Described firing pin side is provided with a concave plane, and the gunlock body front end minor diameter endoporus place at place, corresponding concave plane is provided with blow needle pin, and the firing pin pin is used to limit firing pin and moves backward.
With the columniform firing pin of script step, change two parts of the large diameter hammer of firing pin and rear end of front end minor diameter in the technical program, adopt firing pin pin restriction firing pin to move backward again.Like this when unblanking only hammer move backward, hammer is motion compresses mainspring storage power backward, hammer travels forward under the mainspring effect and clashes into firing pin and transfers energy on the firing pin during percussion, makes the firing pin front end clash into bullet primers, beats the combustion fire in a stove before fuel is added and pulls the trigger bullet.With regard to having avoided the firing pin front end in the percussion process, to cause energy loss, be difficult to aim at defectives such as fire in a stove before fuel is added position like this, improved the percussion reliability with the hole wall collision.
Optimization as technique scheme, described gunlock body comprises body that is positioned at the rear end and the handpiece body that is positioned at front end, body and handpiece body adopt the connecting pin series connection fixing as a whole, and described minor diameter endoporus is positioned at handpiece body, and described larger diameter internal bore is positioned at body.Like this, will be divided into handpiece body and body two parts for the gunlock body of one originally,, guaranteed machining accuracy so reduce the difficulty of processing of elongated deep hole.
As further optimization, also comprise the extractor that is positioned at gunlock body front end, described extractor comprises strip ejector and the ejector spring that is set up in parallel with described firing pin.Like this, after firing lock was finished percussion, when extractor was pulled out cartridge chamber to shell case, ejector protracted under the effect of ejector spring and shell case is ejected, and finished the ejection action.Extractor and firing lock all are arranged in the gunlock body, and gunlock is finished ejection when pulling out shell case, the quality of fit height, and the ejection structure takes up room little, does not influence the locking intensity of gunlock.
In sum, so than prior art, the utility model possesses percussion reliability height, gunlock body endoporus difficulty of processing is low, precision is high, and extractor takes up room little, does not influence advantages such as locking intensity.
Description of drawings
Fig. 1 is the structural representation of the utility model rifle.
Fig. 2 is the A-A cutaway view of Fig. 1.
Wherein, 1. body, 2. handpiece body, 3. extractor, 4. connecting pin, 5. ejector, 6. firing pin pin, 7. ejector spring, 8. firing pin, 9. hammer, 10. mainspring
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
During concrete enforcement, extremely shown in Figure 2 as Fig. 1, a kind of single-shot bolt dynamic formula gunlock, comprise the gunlock body, be provided with the step endoporus in the gunlock body, be provided with firing lock in the hole, gunlock body front end is provided with extractor 3, wherein, described firing lock comprises the firing pin 8 that is arranged in the gunlock body front end minor diameter endoporus, the mainspring 10 that is arranged at the hammer 9 in the larger diameter internal bore of gunlock body rear end and mates; Described firing pin 8 sides are provided with a concave plane, and the gunlock body front end minor diameter endoporus place at place, corresponding concave plane is provided with blow needle pin 6, and firing pin pin 6 is used to limit firing pin 8 and moves backward.Wherein, described gunlock body comprises body 1 that is positioned at the rear end and the handpiece body 2 that is positioned at front end, and body 1 and handpiece body 2 adopt connecting pin 4 series connection fixing as a whole, and described minor diameter endoporus is positioned at handpiece body 2, and described larger diameter internal bore is positioned at body 1.During enforcement, also comprise the extractor that is positioned at gunlock body front end, described extractor comprises strip ejector 5 and the ejector spring 7 that is set up in parallel with described firing pin 8.
Claims (3)
1. single-shot bolt dynamic formula gunlock, comprise the gunlock body, be provided with the step endoporus in the gunlock body, be provided with firing lock in the hole, gunlock body front end is provided with extractor, it is characterized in that described firing lock comprises the firing pin that is arranged in the gunlock body front end minor diameter endoporus, be arranged at the hammer in the larger diameter internal bore of gunlock body rear end and the mainspring of coupling; Described firing pin side is provided with a concave plane, and the gunlock body front end minor diameter endoporus place at place, corresponding concave plane is provided with blow needle pin, and the firing pin pin is used to limit firing pin and moves backward.
2. single-shot bolt dynamic formula gunlock as claimed in claim 1, it is characterized in that, described gunlock body comprises body that is positioned at the rear end and the handpiece body that is positioned at front end, body and handpiece body adopt the connecting pin series connection fixing as a whole, described minor diameter endoporus is positioned at handpiece body, and described larger diameter internal bore is positioned at body.
3. single-shot bolt dynamic formula gunlock as claimed in claim 1 or 2 is characterized in that, also comprises the extractor that is positioned at gunlock body front end, and described extractor comprises strip ejector and the ejector spring that is set up in parallel with described firing pin.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020252776 CN201748851U (en) | 2010-07-09 | 2010-07-09 | Single shot bolt moving rifle bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020252776 CN201748851U (en) | 2010-07-09 | 2010-07-09 | Single shot bolt moving rifle bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201748851U true CN201748851U (en) | 2011-02-16 |
Family
ID=43583525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020252776 Expired - Fee Related CN201748851U (en) | 2010-07-09 | 2010-07-09 | Single shot bolt moving rifle bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201748851U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103822533A (en) * | 2014-03-10 | 2014-05-28 | 宋益伶 | Elastic turning case-ejecting mechanism |
| CN106767134A (en) * | 2016-12-26 | 2017-05-31 | 重庆建设工业(集团)有限责任公司 | A kind of shotgun/Shotgun M16 systems Gunlock structure |
-
2010
- 2010-07-09 CN CN 201020252776 patent/CN201748851U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103822533A (en) * | 2014-03-10 | 2014-05-28 | 宋益伶 | Elastic turning case-ejecting mechanism |
| CN103822533B (en) * | 2014-03-10 | 2016-03-16 | 宋益伶 | Elasticity break-in extractor |
| CN106767134A (en) * | 2016-12-26 | 2017-05-31 | 重庆建设工业(集团)有限责任公司 | A kind of shotgun/Shotgun M16 systems Gunlock structure |
| CN106767134B (en) * | 2016-12-26 | 2018-06-29 | 重庆建设工业(集团)有限责任公司 | A kind of shotgun M16 systems Gunlock structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110216 Termination date: 20120709 |