CN105890453A - Mechanical structure for prolonging service life of gun - Google Patents

Mechanical structure for prolonging service life of gun Download PDF

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Publication number
CN105890453A
CN105890453A CN201610415678.5A CN201610415678A CN105890453A CN 105890453 A CN105890453 A CN 105890453A CN 201610415678 A CN201610415678 A CN 201610415678A CN 105890453 A CN105890453 A CN 105890453A
Authority
CN
China
Prior art keywords
guide rail
raised line
guide groove
bearing plate
service life
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.)
Pending
Application number
CN201610415678.5A
Other languages
Chinese (zh)
Inventor
周洪发
黄丽萍
聂建军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHEJIANG XINHUA MACHINERY MANUFACTURING Co Ltd
Original Assignee
ZHEJIANG XINHUA MACHINERY MANUFACTURING Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ZHEJIANG XINHUA MACHINERY MANUFACTURING Co Ltd filed Critical ZHEJIANG XINHUA MACHINERY MANUFACTURING Co Ltd
Priority to CN201610415678.5A priority Critical patent/CN105890453A/en
Publication of CN105890453A publication Critical patent/CN105890453A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41WEAPONS
    • F41CSMALLARMS, e.g. PISTOLS, RIFLES; ACCESSORIES THEREFOR
    • F41C23/00Butts; Butt plates; Stocks
    • F41C23/10Stocks or grips for pistols, e.g. revolvers

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Golf Clubs (AREA)

Abstract

The invention relates to a mechanical structure for prolonging the service life of a gun. The mechanical structure comprises a holding handle base and a steel bearing plate. The bearing plate is fixed in the holding handle base through a separation rotary knob and a trigger pin. A guide groove is formed in the upper portion of the holding handle base. The upper side of the guide groove is provided with limiting strips parallel to the guide groove. The upper portion of the bearing plate extends towards two sides to be provided with convex strips. The width of the convex strips is the same as that of the limiting strips. The limiting strips are connected with the convex strips. The guide grove and the side faces of the lower portions of the convex strips are connected to form a complete guide rail. By the adoption of the technical scheme, according to the improved structure, the rear end of the holding handle base guide rail is placed on the steel bearing plate, the damage resistance of the guide rail material is improved, the stress value, existing at the position near a combined shaft, of the bearing plate is smaller than the stress value on the guide rail and is smaller than one half of the stress value on the guide rail, the service life of the guide rail is effectively prolonged, and then the service life of the gun is prolonged.

Description

A kind of frame for movement improving the pistol life-span
Technical field
The present invention relates to firearms technical field, particularly relate to a kind of frame for movement improving the pistol life-span.
Background technology
NP22 type 9 mm pistol is a foreign trade type pistol of my company's design typification, and initial design is service life 3000, but it is as the aggravation of the market competition, the service life of 3000 is far from the use requirement meeting user.Army's trade is public Department is for adapting to the requirement in external army and police's pistol bid market, and in the United Nations, all pistol manufacturers have carried out " logical army mark " item Mesh, it is desirable to the pistol performance indications each produced to reach or close to U.S. M9/M11 service pistol standard, i.e. requires to reach The service life of 10000.For this requirement, my company has carried out test of many times, finds, each pistol shooting from test During about 5000 bullets, pistol grip seat guide rail Central Cracking, far from the requirement reaching 10000.
Summary of the invention
In order to solve above-mentioned technical problem, it is an object of the invention to provide a kind of rational in infrastructure, and the pistol longevity can be improved The frame for movement of life.
To achieve these goals, present invention employs following technical scheme:
A kind of frame for movement improving the pistol life-span, including grip base and the support plate of steel, described support plate is revolved by decomposition Button and trigger pin are fixed in grip base, and the top of described grip base is provided with one guide groove, and the upside of described guide groove is provided with and leads The positive stop strip that groove is parallel to each other, to both sides, extension is provided with raised line, the width of described raised line and positive stop strip on the top of described support plate Width identical, and positive stop strip is mutually linked with raised line, and described guide groove is connected complete the leading of formation with the side of the bottom of raised line Rail.
Preferably: described positive stop strip is cambered surface with the interface of raised line.
Preferably: described raised line is bent upwards away from one end of positive stop strip.This one end uses round-corner transition Structure substantially reduces stress and concentrates.
The present invention uses technique scheme, and the structure after improvement is that the rear end of grip base guide rail is accomplished the supporting of steel On plate, the ability of the collapse resistance of guide material increases, and the present invention improve that rear support plate occurs near combined axis should Force value, less than the stress on guide rail, less than the half of guide rail upper stress, is effectively increased the service life of guide rail and then improves The service life of firearms.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most from start to finish Same or similar label represents same or similar element or has the element of same or like function.Below with reference to attached The embodiment that figure describes is exemplary, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " clockwise ", " inverse Hour hands " etc. instruction orientation or position relationship be based on orientation shown in the drawings or position relationship, be for only for ease of description Invention and simplification describe rather than indicate or imply that the device of indication or element must have specific orientation, with specific square Position structure and operation, be therefore not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or Implicitly include one or more this feature.In describing the invention, except as otherwise noted, " multiple " are meant that two Individual or two or more, unless otherwise clear and definite restriction.
In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " fixing " etc. Term should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected;It can be machine Tool connects, it is also possible to be electrical connection;Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two units Connection within part.For the ordinary skill in the art, can understand that above-mentioned term is at this as the case may be Concrete meaning in bright.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score Can include that the first and second features directly contact, it is also possible to include that the first and second features are not directly contact but by it Other characterisation contact between.And, fisrt feature second feature " on ", " top " and " above " include that first is special Levy directly over second feature and oblique upper, or be merely representative of fisrt feature level height higher than second feature.Fisrt feature exists Second feature " under ", " lower section " and " below " include that fisrt feature immediately below second feature and obliquely downward, or is merely representative of Fisrt feature level height is less than second feature.
A kind of frame for movement improving the pistol life-span as shown in Figure 1, including the support plate 2 of grip base 1 and steel, described Support plate 2 is fixed in grip base 1 with trigger pin by decomposing knob, and the top of described grip base 1 is provided with one guide groove 11, institute The upside stating guide groove 11 is provided with the positive stop strip 12 being parallel to each other with guide groove 11, and to both sides, extension is provided with on the top of described support plate 2 Raised line 22, the width of described raised line 22 is identical with the width of positive stop strip 12, and positive stop strip 12 is mutually linked with raised line 22, described in lead Groove 11 is connected the guide rail that formation is complete with the side 21 of the bottom of raised line 22.Described positive stop strip 12 is arc with the interface of raised line 22 Face.Described raised line 22 is bent upwards away from one end of positive stop strip 12.For guaranteeing that gunlock sentences the accuser to the punishment facing the person he falsely accused the direction of the shock that puts in place unanimously, gunlock Front end impact basifacial is removed, and only retains top striking face.
Knowable to automat cycle of operation, gunlock, during whole back seat, causes guide rail to ftracture the section stress main moment It is that back seat puts in place moment.Gunlock is carried out force analysis and understands gunlock to be made speed moment vanishing when back seat puts in place, then must So by great role power F1 forward, power F1 makes gunlock produce turning torque M around its barycenter, and gunlock to be made reached in moment The balance of power, the most necessarily by the handle guide rail directed force F to it, the counteracting force F ' of this power F acts on guide rail, from holding The structural analysis of guide rail is understood, imperfect due in the middle part of guide rail, easily produce stress and concentrate, and in repeated firing process In, easily producing fatigue rupture, this is the reason place of guide rail cracking.
Before and after improvement, structure has following feature: (1) improves fromer rail material is aluminium alloy Lc4, improve rear rail material Material is 40CrA.The ability of the collapse resistance of guide material increases.(2) improving fromer rail Tensile fracture thickness is 1.3mm, changes Entering rear rail Tensile fracture minimum thickness is 2.8mm, is that the twice before improving is many.(3) the guide rail R1 fillet mistake after improving Cross, reduce stress and concentrate.(4) structure after improving does not changes auto-action process, and full rifle auto-action is not had shadow Ring.
Stress analysis is carried out to improving both front and back structure finite element.Two kinds of structures are applied identical load, when leading Rail is monolateral when being 100N by F ' load, and result of calculation shows, under the effect of monolateral 100N power, improves fromer rail tail end Big tension is 236 MPa, and the maximum tension stress improving rear rail tail end is 124 MPa, and ratio between two is 1.9.In addition, improve The hot strength of rear rail material 40CrA, improve the hot strength of fromer rail material Lc4, ratio between two is 1.76.Comprehensive two factors above, before the guide rail bearing capacity after improvement is improvement 3.34 again.In sum, the improvement of this rifle grip base guide rail can significantly improve the former rifle life-span, at 5000 life base of former rifle On, it is entirely capable of reaching the requirement in 10000 life-spans, and the potentiality being still improved, the secondary work on auto-action will not be produced simultaneously With.
It should be pointed out that, that above example is only the representative example of the present invention.The present invention can also have many deformation.Every Any simple modification, equivalent variations and the modification made above example according to the essence of the present invention, is all considered as belonging to this The protection domain of invention.

Claims (3)

1. the frame for movement improving the pistol life-span, it is characterised in that: include the support plate (2) of grip base (1) and steel, institute Stating support plate (2) and be fixed in grip base (1) by decomposing knob and trigger pin, the top of described grip base (1) is provided with together Guide groove (11), the upside of described guide groove (11) is provided with the positive stop strip (12) being parallel to each other with guide groove (11), described support plate (2) To both sides, extension is provided with raised line (22) on top, and the width of described raised line (22) is identical with the width of positive stop strip (12), and positive stop strip (12) being mutually linked with raised line (22), described guide groove (11) is connected complete the leading of formation with the side (21) of the bottom of raised line (22) Rail.
A kind of frame for movement improving the pistol life-span the most according to claim 1, it is characterised in that: described positive stop strip (12) It is cambered surface with the interface of raised line (22).
A kind of frame for movement improving the pistol life-span the most according to claim 1, it is characterised in that: described raised line (22) is remote It is bent upwards from one end of positive stop strip (12).
CN201610415678.5A 2016-06-14 2016-06-14 Mechanical structure for prolonging service life of gun Pending CN105890453A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610415678.5A CN105890453A (en) 2016-06-14 2016-06-14 Mechanical structure for prolonging service life of gun

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610415678.5A CN105890453A (en) 2016-06-14 2016-06-14 Mechanical structure for prolonging service life of gun

Publications (1)

Publication Number Publication Date
CN105890453A true CN105890453A (en) 2016-08-24

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108917463A (en) * 2018-09-17 2018-11-30 浙江新华机械制造有限公司 The support plate fixed structure of pocket pistol

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1773209A (en) * 2004-11-11 2006-05-17 伯莱塔·皮埃特罗武器制造公司 Firearm grip, particularly of a gun
US20100263254A1 (en) * 2009-04-16 2010-10-21 Gaston Glock Assemblies and Firearms Incorporating Such Assemblies
US20140007479A1 (en) * 2012-07-09 2014-01-09 Gaston Glock Receiver for a firearm
US20140245648A1 (en) * 2011-06-17 2014-09-04 Robert Chester Nierenberg Rail mount offhand recoil grip
CN205748121U (en) * 2016-06-14 2016-11-30 浙江新华机械制造有限公司 A kind of frame for movement improving the pistol life-span

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1773209A (en) * 2004-11-11 2006-05-17 伯莱塔·皮埃特罗武器制造公司 Firearm grip, particularly of a gun
US20100263254A1 (en) * 2009-04-16 2010-10-21 Gaston Glock Assemblies and Firearms Incorporating Such Assemblies
US20140245648A1 (en) * 2011-06-17 2014-09-04 Robert Chester Nierenberg Rail mount offhand recoil grip
US20140007479A1 (en) * 2012-07-09 2014-01-09 Gaston Glock Receiver for a firearm
CN205748121U (en) * 2016-06-14 2016-11-30 浙江新华机械制造有限公司 A kind of frame for movement improving the pistol life-span

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
岳凯峰: "中国NP22手枪与瑞士SIG绍尔P22G手枪之比较", 《现代兵器》 *
庄清发: "全枪寿命15000发,枪管寿命20000发——中国NP22、NP34手枪寿命突破纪实", 《轻兵器》 *
杜呈信 等: "手枪"寿星"力拓国际市场——记中国NP22、NP34 9mm手枪", 《轻兵器》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108917463A (en) * 2018-09-17 2018-11-30 浙江新华机械制造有限公司 The support plate fixed structure of pocket pistol

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Application publication date: 20160824

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