CN105466278A

CN105466278A - Pump shotgun

Info

Publication number: CN105466278A
Application number: CN201610025540.4A
Authority: CN
Inventors: 时百峰
Original assignee: Rizhao Brother Machinery Co Ltd
Current assignee: Rizhao Brother Machinery Co Ltd
Priority date: 2016-01-15
Filing date: 2016-01-15
Publication date: 2016-04-06

Abstract

The invention discloses a pump shotgun and belongs to the field of guns. The pump shotgun comprises a cartridge, a firing mechanism body, a gunlock combination body, a gun barrel, a trigger, a driving hammer, an elasticity resisting body, an extractor, a blocking block and a gun barrel base, wherein the trigger and the driving hammer are located on the percussion mechanism body, the elasticity resisting body and the extractor are located in the gunlock combination body, the blocking block is located on the elasticity resisting body, and the gun barrel base is located behind the gun barrel. The shotgun is characterized in that a limiting mechanism used for limiting percussion of the driving hammer is arranged at the tail end of the trigger. The weight of the shotgun is reduced by improving the material, and meanwhile use safety of the shotgun is greatly improved by improving the percussion mechanism body, the elasticity resisting body and the extractor.

Description

A kind of pump type shotgun

Technical field

The present invention relates to a kind of shotgun, especially a kind of pump type shotgun.

Background technology

Ithaca M37 shotgun be no matter civilian or military in all have a wide range of applications, but existing Ithaca M37 shotgun all has the following disadvantages in actual applications: 1, in prior art, trigger is only provided with one and is specifically designed to the stopping means limiting hammer position, if therefore fasten trigger always, often pull a pull handle bullet just to be pulled the trigger, therefore gunlock is just in running fire state, and then there is very large potential safety hazard; 2, existing anti-elastic block is positioned at resistance body front end, like this after upper bullet percussion, a rear bullet is in the process entering bore, and the shell case and the anti-elastic block that are easy to be subject to last bullet stop, make a rear bullet to enter in bore smoothly, cause the situation of card bullet; 3, in prior art, the width of lower extractor front end is less than the width at primer place, when after the full bullet of pressure in magazine cylinder, the elastic force that the bullet be positioned at foremost is subject to spring is maximum, therefore first bullet is in the process of loading, the bottom of bullet is easy to strike lower extractor front end, thus bullet is pulled the trigger, there is the situation of bombing bore; 4, gun itself are overweight, and particularly at casing, firing lock body and barrel block, this few part is all adopt common steel material to make, and therefore makes the preponderance of rifle body, carries very inconvenient.

Summary of the invention

Technical assignment of the present invention is for above the deficiencies in the prior art, and provides a kind of pump type shotgun.

The technical solution adopted for the present invention to solve the technical problems is: a kind of pump type shotgun, comprise casing, firing lock body, gunlock combination, gun barrel, and the trigger be positioned on described firing lock body and hammer, be positioned at the resistance body of described gunlock combination, extractor, be positioned at the stopper on described resistance body, be positioned at the barrel block at described gun barrel rear, wherein be provided with the position-limit mechanism for limiting the percussion of described hammer at described trigger end, just stopping means is provided with at trigger front end counter-blow hammer in prior art, by the position-limit mechanism arranged at trigger end, hammer is made to be subject to dual position-limiting action, thus the potential safety hazard that when well avoiding lasting cocking, hammer running fire brings.

Described position-limit mechanism is sear, described sear is provided with hook, be provided with at described hammer rear and can link up with described the hook groove coordinated, sear and trigger link, after completing shot, first must open trigger and be inconjunction with sear and move by pine, hook is shifted out in hook groove, now position-limit mechanism just loses the position-limiting action of counter-blow hammer, hammer is to turning clockwise, the briar tooth of trigger front end and hammer front end fastens, and cocking briar tooth throws off hammer percussion again, with the potential safety hazard existed under this ensure that lasting cocking running fire state.

Described stopper is fixedly installed on described resistance body rear end, and such bullet after firing, stagger, and solves a bullet and beaten, and next sends out the resistance bullet problem that bullet does not deliver from godown by the time difference making whole rifle back seat time and cylinder send out bullet for next.

Described extractor comprises extractor and lower extractor, the width of described lower extractor front end is greater than the width of primer, now bullet is in the process of loading, if when the bottom of bullet strikes on lower extractor, because the width of lower extractor is larger than the width at primer place, so lower extractor can't cause the percussion of bullet.

Described casing is made up of 6061 aluminum alloy materials, and described barrel block is made up of 40Cr material, and firing lock body is made up of engineering plastics, by the improvement to casing, firing lock body and barrel block material, allows the weight saving of gun entirety, carries convenient.

Advantage of the present invention: 1, be positioned at sear on trigger and trigger simultaneously counter-blow hammer play position-limiting action, like this in percussion process, all need after often completing shot first to unclamp trigger, trigger is resetted, could could pull the trigger by cocking after allowing sear lose the limit effect of counter-blow hammer, thus avoid the potential safety hazard in lasting cocking situation; 2, anti-elastic block is set to the rear of resistance body, ensure that and the situation that next bullet cannot load smoothly avoid the situation of card bullet; 3, the width of lower extractor is become large, when the bottom of such bullet bumps against lower extractor front end again, because lower extractor front end is wider than the fire in a stove before fuel is added of bullet, even if so impact large more also can not strike the fire in a stove before fuel is added of bullet, well prevent bullet in bore by situation about pulling the trigger, effectively avoid the danger of bombing bore; 4, the position residing for casing, firing lock body, each parts of gunlock combination, and its function and usage, casing material elect 6061 aluminum alloy materials as, barrel block adopts 40Cr material, firing lock body adopts engineering plastics, not only ensure the normal use of gun like this, but also alleviate the weight of gun greatly, thus be convenient for carrying.

Accompanying drawing explanation

Fig. 1 is structural representation of the present invention.

Fig. 2 be trigger of the present invention structural representation.

Fig. 3 is the positional structure schematic diagram of bullet and lower extractor in magazine cylinder of the present invention.

Fig. 4 is that projectile impact of the present invention is to structural representation during lower extractor.

Fig. 5 is the structural representation that the present invention hinders body.

Detailed description of the invention

Below in conjunction with Figure of description, the present invention is described below.

As shown in the figure, a kind of pump type shotgun, comprise casing 1, firing lock body 6, gunlock combination 2, gun barrel 5, and the trigger 61 be positioned on described firing lock body 6 and hammer 65, be positioned at the resistance body 7 of described gunlock combination 2, extractor 3, be positioned at the stopper 71 on described resistance body 7, be positioned at the barrel block 4 at described gun barrel 5 rear, wherein be provided with the position-limit mechanism for limiting the percussion of described hammer 65 at described trigger 61 end, just stopping means is provided with at trigger 61 front end counter-blow hammer 65 in prior art, by the position-limit mechanism arranged at trigger 64 end, hammer 65 is made to be subject to dual position-limiting action, thus the potential safety hazard that when well avoiding lasting cocking 61, hammer 65 running fire brings.

Described position-limit mechanism is sear 62, described sear 62 is provided with hook 63, the hook groove 64 that can coordinate with described hook 63 is provided with at described hammer 65 rear, sear 62 and trigger 61 link, after completing shot, first must open trigger 61 and be inconjunction with sear 62 and move by pine, hook 63 is shifted out in hook groove 64, now position-limit mechanism just loses the position-limiting action of counter-blow hammer 65, hammer 65 is to turning clockwise, the briar tooth of trigger 61 front end and hammer 65 front end fastens, during cocking 61, briar tooth disengagement hammer 65 is pulled the trigger again, with the potential safety hazard existed under this ensure that lasting cocking 61 running fire state.

Described stopper 71 is fixedly installed on described resistance body 7 rear end, and such bullet after firing, stagger, and solves a bullet and beaten, and next sends out the resistance bullet problem that bullet does not deliver from godown by the time difference making whole rifle back seat time and cylinder send out bullet for next.

Described extractor 3 comprises extractor 30 and lower extractor 31, the width of described lower extractor 31 front end is greater than the width of primer 8, now bullet is in the process of loading, if when the bottom of bullet strikes on lower extractor 31, because the width of lower extractor 31 is larger than the width at primer 8 place, so lower extractor 31 can't cause the percussion of bullet.

Described casing 1 is made up of 6061 aluminum alloy materials, described barrel block 4 is made up of 40Cr material, firing lock body 6 is made up of engineering plastics that (this project plastics can select polyphenylene sulfide, be called for short pps), by the improvement to casing 1, firing lock body 6 and barrel block 4 material, allow the weight saving of gun entirety, carry convenient.

Its operation principle is: first changed casing 1, after the material of firing lock body 6 and barrel block 4, light 0.8kg before the weight of whole rifle body has been compared, it is more convenient to carry, the original performance of gun is not affected simultaneously, for safety problem during running fire, when after last bullet percussion, next sends out bullet in the process of loading, gunlock overwhelms hammer 65 and makes hook 63 buckle in hook groove 64, if now continue to fasten trigger 61, so link up with 63 will be in hook groove 64 always, next bullet would not be pulled the trigger after loading like this, now only have and first unclamp trigger 61, the hook 63 on sear 62 is driven to shift out in hook groove 64, hammer 65 is to turning clockwise, now the briar tooth of trigger 61 front end and hammer 65 front end fastens, during cocking 61, briar tooth disengagement hammer 65 is pulled the trigger again, the potential safety hazard existed when this avoid running fire, resistance body 7 after improving effectively solves the problem of card bullet, after the width of lower extractor 31 front end being strengthened simultaneously, avoid extractor 31 under projectile impact and cause the situation of bombing bore.

Claims

1. a pump type shotgun, comprise casing, firing lock body, gunlock combination, gun barrel, and the trigger be positioned on described firing lock body and hammer, be positioned at resistance body, the extractor of described gunlock combination, be positioned at the stopper on described resistance body, being positioned at the barrel block at described gun barrel rear, it is characterized in that: being provided with the position-limit mechanism for limiting the percussion of described hammer at described trigger end.

2. a kind of pump type shotgun according to claim 1, is characterized in that: described position-limit mechanism is sear, and described sear is provided with hook, is provided with can links up with described the hook groove coordinated at described hammer rear.

3. a kind of pump type shotgun according to claim 2, is characterized in that: described stopper is fixedly installed on described resistance body rear end.

4. a kind of pump type shotgun according to claim 1, is characterized in that: described extractor comprises extractor and lower extractor, and the width of described lower extractor front end is greater than the width of primer.

5., according to a kind of pump type shotgun of claim 1-4 wherein described in any one, it is characterized in that: described casing is made up of 6061 aluminum alloy materials, described barrel block is made up of 40Cr material, and firing lock body is made up of engineering plastics.