CN103322853A - Bolt blocking mechanism of automatic and semi-automatic firearm - Google Patents
Bolt blocking mechanism of automatic and semi-automatic firearm Download PDFInfo
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- CN103322853A CN103322853A CN201310256569XA CN201310256569A CN103322853A CN 103322853 A CN103322853 A CN 103322853A CN 201310256569X A CN201310256569X A CN 201310256569XA CN 201310256569 A CN201310256569 A CN 201310256569A CN 103322853 A CN103322853 A CN 103322853A
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- gunlock
- duct
- steel ball
- spring
- gun barrel
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Abstract
This invention relates to the field of automatic and semi-automatic firearms, in particular to a bolt blocking mechanism of an automatic and semi-automatic firearm. The bolt blocking mechanism of the automatic and semi-automatic firearm comprises a bolt case, a steel ball, a wedge member, a first spring, a second spring, a bolt and a bolt frame. The bolt case is provided with an end opening and a through hole for mounting a gun barrel and a first channel and a second channel for mounting the first spring. The unlocking and locking of the firearm is achieved through a series of actions of the linkage of the wedge member with the steel ball, the linkage of the bolt frame with the bolt, the linkage of the bolt frame with the wedge member, the linkage of the wedge member with the first spring and the like. The bolt is provided with a groove matching with the steel ball, the bolt case is provided with the first channel and the second channel and the through hole matching with the steel ball is arranged in the bolt case during the processing. The geometric shapes of the groove, the first channel, the second channel and the through hole are simple and accordingly are easy to process. The shortcomings of the complex structure and many to-be-machined machining surfaces of a traditional bolt blocking mechanism can be overcome, so that the processing difficulty is low.
Description
Technical field
The present invention relates to automatic semiautomatic firearm field, in particular to a kind of gunlock structure of automatic semiautomatic firearm.
Background technology
In the firearms field, the reliability of gunlock structure and accuracy have determined reliability and the accuracy of firearms to a great extent, are the most important modular constructions of firearms.
Gunlock revolution blocking mechanism is a kind of blocking mechanism the most frequently used in the modern firearms; The principle of gunlock revolution blocking mechanism is: gunlock can turn round to certain direction in specific stroke, thereby realizes the locking of gunlock; But in gunlock revolution blocking mechanism, the machined surface of latching member is many, and therefore, processing technology is loaded down with trivial details, difficulty of processing is large; In addition, the roller blocking mechanism also is a kind of representative blocking mechanism, and its principle is: be provided with the locking roller on the gunlock, when the gunlock locking, the locking roller is given prominence in specific position and then is realized the locking of gunlock; The roller blocking mechanism is unblanked steady with block action, vibrates little; But the structure of its gunlock is also very complicated, and therefore, the difficulty of processing is also very large.
Can find out by above description, the common gunlock structure of above-mentioned two kinds of lifting, the equal more complicated of its structure, therefore, in the process of reality, the difficulty of processing is large.
Summary of the invention
The object of the present invention is to provide a kind of gunlock structure of automatic semiautomatic firearm, to solve the above problems.
Provide a kind of gunlock structure of automatic semiautomatic firearm to comprise in the embodiments of the invention, body of rifle, steel ball, wedge shape part, the first spring, the second spring, gunlock, breech housing;
Described body of rifle is provided with for open-ended, the through hole that gun barrel is installed, be used for the first duct, the second duct that described the first spring is installed; Described the first duct and described the second duct are all to extending away from the open-ended direction that gun barrel be used for to be installed, and the direction to inwall sets gradually from outer wall; And described the first duct and described the second duct are communicated with away from a described open-ended end for gun barrel is installed;
Described through hole is arranged on the inwall of described body of rifle, and with described the second hole link; Described steel ball is arranged in the described through hole, and described through hole energy and only can make the described steel ball of part protrude the inwall of described body of rifle; Another part of described steel ball can enter described the second duct;
Described wedge shape part comprises wedge-like portion and coupling part; Described wedge-like portion is from reducing for the open-ended direction that gun barrel is installed to close described for the open-ended of gun barrel is installed away from described; And offset with described steel ball; Described wedge-like portion is arranged in described the second duct, and described coupling part is extended in described the first duct by described the second duct, and is connected with described the first spring; Described wedge shape part can move back and forth in described the second duct according to the flexible state of described the first spring;
Described breech housing is arranged on the inside of described body of rifle, and contacts with the coupling part; Described gunlock passes described breech housing away from a described open-ended end for gun barrel is installed, described the second spring housing at described gunlock away from a described open-ended end for gun barrel is installed, and lean with described breech housing, described the second spring is controlled the position of described gunlock by the flexible state of self;
Be provided with on the described gunlock with described steel ball and protrude the groove that the part of described body of rifle inwall matches;
Described gunlock is finished in the locking process, and described breech housing promotes described wedge shape part, and described the first spring is compressed; Described wedge shape part promotes described steel ball to moving near the open-ended direction that is used for the installation gun barrel, and the part of described steel ball is protruded the inwall of described body of rifle and embedded in the described groove, thereby the locomotivity of described gunlock is produced restriction;
Described gunlock is unblanked in the process, described breech housing is to the open-ended direction motion away from described installation gun barrel, described the first spring with described wedge shape part to promoting away from described open-ended direction for gun barrel is installed, described steel ball loses the extruding force of described wedge shape part, pushed in described the second duct by described gunlock, thereby releasing is to the restriction of described gunlock locomotivity.
The gunlock structure of the automatic semiautomatic firearm that the embodiment of the invention provides comprises body of rifle and the direction to inwall sets gradually from the outer wall of body of rifle the first duct and the devices such as the second duct, wedge shape part, steel ball, gunlock and breech housing.
Realize firearms unblank and the locking process in, when firearms needed to enter blocking, the wedge shape part can promote the steel ball motion and make the part steel ball pass through hole, be arranged on the gunlock outer wall on the groove realization buckle that matches; Thereby, gunlock is by steel ball buckle and relative with body of rifle fixing, at this moment, the first spring is in confined state, steel ball contacts with the butt end of the wedge-like portion of wedge shape part, this moment gunlock relatively body of rifle move, finish the shooting of a bullet when firearms after, breech housing is pushed rearward moving, the wedge shape part loses the pushing effect of breech housing, the first spring that is linked with it is pushed to lockset position of coupler, loses the pushing effect of wedge shape part with the steel ball of gunlock buckle, and this moment, gunlock retreated with breech housing, the gunlock that steel ball is retreated is pushed into the second duct, steel ball loses the effect of restriction gunlock motion, and gunlock is unblanked, and gunlock can seesaw in body of rifle.
Can find out by above description, this gunlock structure that the embodiment of the invention provides is by wedge shape part and steel ball interlock, breech housing and gunlock interlock, breech housing and a series of actions unblanking and locking with the realization firearms such as the interlock of wedge shape part, wedge shape part and the first spring interlock; In the process of processing, the groove match with steel ball is set at gunlock; The through hole that matches with steel ball on the first duct and the second duct and the body of rifle inside is set at body of rifle; Their geometric shape is simple, so processing technology is simple, can change traditional gunlock blocking mechanism shape and structure complicated, needs the more shortcoming of machined surface of processing, and therefore, difficulty of processing is low.
In addition, because the processing technology of gunlock and breech housing is fairly simple, therefore, the accuracy of processing also is easy to be protected, and these parts such as steel ball, the first spring and the second spring can both be bought in market and obtain, so the cost of processing is also relatively cheap.
Description of drawings
Fig. 1 shows the profile under the firearms blocking device blocking of the embodiment of the invention 1 and 2.
The specific embodiment
Also by reference to the accompanying drawings the present invention is described in further detail below by specific embodiment.
In the description of the invention, need to prove, unless clear and definite regulation and restriction are arranged in addition, broad understanding should be done in the terms such as term " connection ", for example, can be to be fixedly connected with; Can be that dismounting connects; It also can be a connection; It can be direct connection; Can be by the intermediary indirect joint, can make the connection of two element internals, for the ordinary skill in the art, can concrete condition understand above-mentioned term concrete meaning in the present invention.
Please refer to Fig. 1, the blocking mechanism that the embodiment of the invention one provides comprises: body of rifle 101, steel ball 102, wedge shape part, the first spring 105, the second spring 106, gunlock 107, breech housing 108;
Described body of rifle 101 is provided with for open-ended 109, the through hole 110 that gun barrel is installed, be used for the first duct 111, the second duct 112 that described the first spring 105 is installed; Described the first duct 111 and described the second duct 112 are all to extending away from open-ended 109 the direction that gun barrel be used for to be installed, and the direction to inwall sets gradually from outer wall; And described the first duct 111 and described the second duct 112 are communicated with away from a described end of open-ended 109 for gun barrel is installed;
Described through hole 110 is arranged on the inwall of described body of rifle 101, and is communicated with described the second duct 112; Described steel ball 102 is arranged in the described through hole 110, and described through hole 110 can and only can make the described steel ball 102 of part protrude the inwall of described body of rifle 101; Another part of described steel ball 102 can enter described the second duct 112;
Described wedge shape part comprises wedge-like portion 103 and coupling part 104; Described wedge-like portion from away from described for install gun barrel open-ended 109 to reducing for open-ended 109 the direction that gun barrel is installed near described; And offset with described steel ball 102; Described wedge-like portion 103 is arranged in described the second duct 112, and described coupling part 104 is extended in described the first duct 111 by described the second duct 112, and is connected with described the first spring 105; Described wedge shape part can be in described the second duct 112 interior reciprocating motions according to the flexible state of described the first spring 105;
Described breech housing 108 is arranged on the inside of described body of rifle 101, and contacts with coupling part 104; Described gunlock 107 passes described breech housing 108 away from a described end of open-ended 109 for gun barrel is installed, described the second spring 106 is enclosed within described gunlock 107 away from a described end of open-ended 109 for gun barrel is installed, and lean with described breech housing 108, described the second spring 106 is controlled the position of described gunlock 107 by the flexible state of self;
Be provided with the groove 113 that matches with the part of described body of rifle 101 inwalls of described steel ball 102 protrusions on the described gunlock 107;
Described gunlock 107 is finished in the locking process, and described breech housing 108 promotes described wedge shape part, and described the first spring 105 is compressed; Described wedge shape part promotes described steel ball 102 near open-ended 109 the direction motion that gun barrel be used for to be installed, the part of described steel ball 102 is protruded the inwall of described body of rifle 101 and is embedded in the described groove 113, thereby the locomotivity of described gunlock 107 is produced restriction;
Described gunlock 107 is unblanked in the process, described breech housing 108 is to open-ended 109 the direction motion away from described installation gun barrel, described the first spring 105 with described wedge shape part to promoting away from described open-ended 109 direction for gun barrel is installed, described steel ball 102 loses the extruding force of described wedge shape part, pushed in described the second duct 112 by described gunlock 107, thereby releasing is to the restriction of described gunlock 107 locomotivities.
Gunlock 107 blocking mechanisms of the automatic semiautomatic firearm that the embodiment of the invention provides comprise body of rifle 101 and the direction to inwall sets gradually from the outer wall of body of rifle 101 the first duct 111 and the devices such as the second duct 112, wedge shape part, steel ball 102, gunlock 107 and breech housing 108.
Realize firearms unblank and the locking process in, when firearms need to enter blocking, the wedge shape part can promote steel ball 102 motion and make the groove 113 of part steel ball 102 on passing through hole 110 and the being arranged on gunlock 107 outer walls realization buckle that matches, thereby, gunlock 107 is by steel ball 102 buckles and relative fixing with body of rifle 101, at this moment, the first spring 105 is in confined state, steel ball 102 contacts with the butt end of the wedge-like portion 103 of wedge shape part, relatively body of rifle 101 motions of gunlock 107 this moment, finish the shooting of a bullet when firearms after, breech housing 108 is pushed rearward moving, the wedge shape part loses the pushing effect of breech housing 108, the first spring 105 that is linked with it is pushed to lockset position of coupler, lose the pushing effect of wedge shape part with the steel ball 102 of gunlock 107 buckles, this moment, gunlock 107 retreated with breech housing 108, the gunlock 107 that steel ball 102 is retreated is pushed into the second duct 112, steel ball 102 loses the effect of restriction gunlock 107 motions, gunlock 107 is unblanked, and gunlock 107 can seesaw in body of rifle 101.
Can find out by above description, this gunlock 107 blocking mechanisms that the embodiment of the invention provides are by a series of actions unblanking and locking with the realization firearms such as 102 interlocks of wedge shape part and steel ball, breech housing 108 and gunlock 107 interlocks, breech housing 108 and the interlock of wedge shape part, wedge shape part and 105 interlocks of the first spring; In the process of processing, at gunlock 107 groove 113 that matches with steel ball 102 is set; The through hole 110 that matches with steel ball 102 on the first duct 111 and the second duct 112 and body of rifle 101 inside is set at body of rifle 101; Their geometric shape is simple, so processing technology is simple, can change traditional gunlock 107 blocking mechanism shape and structures complicated, needs the more shortcoming of machined surface of processing, and therefore, difficulty of processing is low.
In addition, because the processing technology of gunlock 107 and breech housing 108 is fairly simple, therefore, the accuracy of processing also is easy to be protected, and these parts such as steel ball 102, the first spring 105 and the second spring 106 can both be bought in market and obtain, so the cost of processing is also relatively cheap.
For so that the blocking mechanism of the embodiment of the invention one better used, more effectively be applied in the process of the unblanking of firearms, locking, the present invention also provides embodiment two on the basis of above-described embodiment one, embodiment two is further restriction and increases of making on the architecture basics to embodiment one, now does detailed elaboration and explanation:
Embodiment two
When the first spring 105 is promoting the wedge shape part to the process away from open-ended 109 the direction motion that is used for installing gun barrel, consider that the wedge shape part can be pushed stably, so, the coupling part 104 of wedge shape part should preferably be set to a projective structure that protrudes and lean away from the inwall of described breech housing 108 with the first duct 111 to the inwall direction in the first duct 111, and the first spring 105 preferably is arranged on the middle part of coupling part 104, like this, the first spring 105 can retreat when promoting the motion of wedge shape part stably, and then realizes unlocking condition smoothly.So preferred, described coupling part 104 leans with the inwall of described the first duct 111 away from described breech housing 108.
The simultaneously interlock effect between wedge shape part and the steel ball 102 is the pith that the blocking mechanism of the embodiment of the invention realizes opening and closing rope, for this reason, in concrete the setting, the number of wedge shape part, steel ball 102, through hole 110, groove 113 and the first spring 105 equates and forms a cover closedown structure, and consider that blocking mechanism can have the effect of better unblanking with locking, should preferably be set at least two covers, when the tricks of closedown structure is even number, preferably, even number cover closedown structure should be symmetrical arranged along the axis direction of body of rifle 101.
Promote in the process of wedge shape part at the first spring 105, for so that the first spring 105 can have enough deformation spaces to produce enough elastic potential energys and then promote the wedge shape part to guarantee the first spring 105, optionally, in concrete the setting, described the first duct 111 along the size of described body of rifle 101 axis directions greater than the size of the second duct 112 along described body of rifle 101 axis directions.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (1)
1. the gunlock structure of an automatic semiautomatic firearm is characterized in that, comprising: body of rifle, steel ball, wedge shape part, the first spring, the second spring, gunlock, breech housing;
Described body of rifle is provided with for open-ended, the through hole that gun barrel is installed, be used for the first duct, the second duct that described the first spring is installed; Described the first duct and described the second duct are all to extending for the open-ended direction that gun barrel is installed away from described, and the direction to inwall sets gradually from outer wall; And described the first duct and described the second duct are communicated with away from a described open-ended end for gun barrel is installed;
Described through hole is arranged on the inwall of described body of rifle, and with described the second hole link; Described steel ball is arranged in the described through hole, and described through hole energy and only can make the described steel ball of part protrude the inwall of described body of rifle; Another part of described steel ball can enter described the second duct;
Described wedge shape part comprises wedge-like portion and coupling part; Described wedge-like portion is from reducing for the open-ended direction that gun barrel is installed to close described for the open-ended of gun barrel is installed away from described; And offset with described steel ball; Described wedge-like portion is arranged in described the second duct, and described coupling part is extended in described the first duct by described the second duct, and is connected with described the first spring; Described wedge shape part can move back and forth in described the second duct according to the flexible state of described the first spring;
Described breech housing is arranged on the inside of described body of rifle, and contacts with the coupling part; Described gunlock passes described breech housing away from a described open-ended end for gun barrel is installed, described the second spring housing at described gunlock away from a described open-ended end for gun barrel is installed, and lean with described breech housing, described the second spring is controlled the position of described gunlock by the flexible state of self;
Be provided with on the described gunlock with described steel ball and protrude the groove that the part of described body of rifle inwall matches;
Described gunlock is finished in the locking process, and described breech housing promotes described wedge shape part, and described the first spring is compressed; Described wedge shape part promotes described steel ball to moving near the open-ended direction that is used for the installation gun barrel, and the part of described steel ball is protruded the inwall of described body of rifle and embedded in the described groove, thereby the locomotivity of described gunlock is produced restriction;
Described gunlock is unblanked in the process, described breech housing is to the open-ended direction motion away from described installation gun barrel, described the first spring with described wedge shape part to promoting away from described open-ended direction for gun barrel is installed, described steel ball loses the extruding force of described wedge shape part, pushed in described the second duct by described gunlock, thereby releasing is to the restriction of described gunlock locomotivity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310256569.XA CN103322853B (en) | 2013-06-25 | 2013-06-25 | Bolt blocking mechanism of automatic and semi-automatic firearm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310256569.XA CN103322853B (en) | 2013-06-25 | 2013-06-25 | Bolt blocking mechanism of automatic and semi-automatic firearm |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103322853A true CN103322853A (en) | 2013-09-25 |
| CN103322853B CN103322853B (en) | 2014-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310256569.XA Expired - Fee Related CN103322853B (en) | 2013-06-25 | 2013-06-25 | Bolt blocking mechanism of automatic and semi-automatic firearm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103322853B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105486170A (en) * | 2016-01-07 | 2016-04-13 | 日照兄弟机械有限公司 | Novel shotgun |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1177824A (en) * | 1967-01-24 | 1970-01-14 | Rheinmetall Gmbh | Improvements in or relating to Inertia-Force Intensifier Mass-Type Breech Mechanism for Automatic Firearms |
| US5447092A (en) * | 1994-02-28 | 1995-09-05 | Hesco, Inc. | Radial ball lock-up device |
| CN2249399Y (en) * | 1996-02-01 | 1997-03-12 | 中国北方工业天津公司 | Lockout mechanism for bolt-type firearms |
-
2013
- 2013-06-25 CN CN201310256569.XA patent/CN103322853B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1177824A (en) * | 1967-01-24 | 1970-01-14 | Rheinmetall Gmbh | Improvements in or relating to Inertia-Force Intensifier Mass-Type Breech Mechanism for Automatic Firearms |
| US5447092A (en) * | 1994-02-28 | 1995-09-05 | Hesco, Inc. | Radial ball lock-up device |
| CN2249399Y (en) * | 1996-02-01 | 1997-03-12 | 中国北方工业天津公司 | Lockout mechanism for bolt-type firearms |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105486170A (en) * | 2016-01-07 | 2016-04-13 | 日照兄弟机械有限公司 | Novel shotgun |
| CN105486170B (en) * | 2016-01-07 | 2017-09-26 | 日照兄弟机械有限公司 | A kind of shotgun |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103322853B (en) | 2014-12-10 |
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