CN205279859U

CN205279859U - Pump formula shotgun

Info

Publication number: CN205279859U
Application number: CN201620037342.5U
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: 2016-06-01
Anticipated expiration: 2026-01-15

Abstract

The utility model discloses a pump formula shotgun belongs to the gun field, including quick -witted casket, the firing mechanism body, rifle bolt association, barrel, and be located trigger and drive hammer on the firing mechanism body are located hindering the body, draw the shell hook in the rifle bolt association is located hinder the piece that blocks on the body, be located the barrel seat at barrel rear, its characterized in that: the trigger end is equipped with and is used for injecing the stop gear of drive hammer percussion, the utility model discloses a make the weight loss of gun to the improvement of material, simultaneously still through to the firing mechanism body, the improvement that hinders the body and draw the shell hook, very big improvement the security performances of gun when using.

Description

A kind of pump type shotgun

Technical field

The utility model 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 stop means limiting and hitting hammer position, if therefore detain trigger always, often pull and once draw handle bullet just to be pulled the trigger, therefore gunlock is just in running fire state, and then there is very big potential safety hazard; 2, existing anti-elastic block is positioned at resistance body front end, like this after a upper bullet is pulled the trigger, 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 a front bullet stop, make a rear bullet to enter in bore smoothly, cause the situation of card bullet; 3, in prior art, the width at the width ratio bullet fire in a stove before fuel is added place of drop-down shell hook front end is little, when after the full bullet of pressure in magazine cylinder, it is maximum for being positioned at the elastic force that bullet foremost is subject to spring, therefore first bullet is in the process of loading, the bottom of bullet is easy to strike drop-down shell hook front end, so that bullet is pulled the trigger, the situation of bombing bore occurs; 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 weight of rifle body overweight, carries very inconvenient.

Summary of the invention

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

The utility model solves the technical scheme that its technical problem adopts: a kind of pump type shotgun, comprise casing, firing lock body, gunlock combination, gun barrel, and the trigger being positioned on described firing lock body and hit hammer, it is positioned at the resistance body of described gunlock combination, draw shell hook, the stopper being positioned on described resistance body, it is positioned at the barrel block at described gun barrel rear, the position-limit mechanism sent out for hitting hammering described in limiting wherein it is provided with at described trigger end, prior art is just provided with stop means at trigger front end counter-blow hammer, by the position-limit mechanism arranged at trigger end, make to hit hammer and it is subject to dual position-limiting action, thus well avoid the potential safety hazard hit hammer running fire when continuing to pull trigger and bring.

Described position-limit mechanism is resistance iron, described resistance iron is provided with hook, it is provided with can link up with, with described, the hook groove coordinated at described hammer rear of hitting, resistance iron and trigger are linkages, after completing once percussion, must pine first open trigger related resistance iron move, hook is moved out in hook groove, now position-limit mechanism just loses the position-limiting action of counter-blow hammer, hit hammer to turning clockwise, trigger front end and the hook tooth button hitting hammer front end close, and again pull trigger hook tooth and disengage and hit hammering and send out, with this ensure that continue to pull trigger running fire state under the potential safety hazard that exists.

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

Described shell hook is drawn to comprise pull-up shell hook and drop-down shell hook, the width of described drop-down shell hook front end is greater than the width of the bullet fire in a stove before fuel is added, now bullet is in the process of loading, if when the bottom of bullet strikes on drop-down shell hook, because the width of drop-down shell hook is bigger than the width at bullet fire in a stove before fuel is added place, so drop-down shell hook 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 utility model: the while of the resistance iron 1, being positioned on trigger and trigger, counter-blow hammer plays position-limiting action, like this in percussion process, all need first to unclamp trigger after often completing once percussion, trigger is resetted, just can pull trigger after allowing resistance iron lose the limit effect of counter-blow hammer could pull the trigger, thus avoid and continuing to pull the potential safety hazard in trigger situation; 2, anti-elastic block is set to the rear of resistance body, it is ensured that next sends out the situation that bullet cannot load smoothly, avoids the situation of card bullet; 3, the width of drop-down shell hook is become big, when the bottom of such bullet bumps against drop-down shell hook front end again, because drop-down shell hook front end is wider than the fire in a stove before fuel is added of bullet, even if so impact force big more also can not strike the fire in a stove before fuel is added of bullet, well prevent the situation that bullet is pulled the trigger in bore, effectively avoid the danger of bombing bore; 4, 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 the utility model structural representation.

Fig. 2 be the utility model trigger structural representation.

Fig. 3 is the position structural representation of bullet and drop-down shell hook in the utility model magazine cylinder.

Fig. 4 is that the utility model projectile impact is to structural representation during drop-down shell hook.

Fig. 5 is the structural representation of the utility model resistance body.

Embodiment

Below in conjunction with Figure of description, the utility model 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 being positioned on described firing lock body 6 and hit hammer 65, it is positioned at the resistance body 7 of described gunlock combination 2, draw shell hook 3, the stopper 71 being positioned on described resistance body 7, it is positioned at the barrel block 4 at described gun barrel 5 rear, wherein it is provided with at described trigger 61 end and hits, described in limiting, the position-limit mechanism hammering 65 percussions into shape, prior art is just provided with stop means at trigger 61 front end counter-blow hammer 65, by the position-limit mechanism arranged at trigger 64 end, make to hit hammer 65 and it is subject to dual position-limiting action, thus well avoid the potential safety hazard hit hammer 65 running fires when continuing to pull trigger 61 and bring.

Described position-limit mechanism is resistance iron 62, described resistance iron 62 is provided with hook 63, it is provided with the hook groove 64 that can coordinate with described hook 63 at described hammer 65 rears of hitting, resistance iron 62 and trigger 61 are linkages, after completing once percussion, must pine first open trigger 61 related resistance iron 62 move, hook 63 is moved out in hook groove 64, now position-limit mechanism just loses the position-limiting action of counter-blow hammer 65, hit hammer 65 to turning clockwise, trigger 61 front end is closed with the hook tooth button hitting hammer 65 front ends, when again pulling trigger 61, hook tooth disengages and hits hammer 65 percussion, with this ensure that continue to pull trigger 61 running fire state under the potential safety hazard that exists.

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

Described shell hook 3 is drawn to comprise pull-up shell hook 30 and drop-down shell hook 31, the width of described drop-down shell hook 31 front end is greater than the width of the bullet fire in a stove before fuel is added 8, now bullet is in the process of loading, if when the bottom of bullet strikes on drop-down shell hook 31, because the width of drop-down shell hook 31 is bigger than the width at the bullet fire in a stove before fuel is added 8 place, so drop-down shell hook 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 (these engineering plastics can select polyphenylene sulfide, it is 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 principle of work 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, after a current bullet is pulled the trigger, next sends out bullet in the process of loading, gunlock overwhelms and hits hammer 65 and make hook 63 buckle in hook groove 64, if now continuing to detain 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 first unclamp trigger 61, the hook 63 on resistance iron 62 is driven to move out in hook groove 64, hit hammer 65 to turning clockwise, now trigger 61 front end is closed with the hook tooth button hitting hammer 65 front ends, when again pulling trigger 61, hook tooth disengages and hits hammer 65 percussion, 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 drop-down shell hook 31 front end being strengthened simultaneously, avoid the drop-down shell hook 31 of 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 being positioned on described firing lock body and hit hammer, it is positioned at the resistance body of described gunlock combination, draws shell hook, the stopper being positioned on described resistance body, it is positioned at the barrel block at described gun barrel rear, it is characterised in that: the position-limit mechanism sent out for hitting hammering described in limiting it is provided with at described trigger end.

2. a kind of pump type shotgun according to claim 1, it is characterised in that: described position-limit mechanism is resistance iron, is provided with hook on described resistance iron, is provided with can link up with, with described, the hook groove coordinated at described hammer rear of hitting.

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

4. a kind of pump type shotgun according to claim 1, it is characterised in that: described in draw shell hook to comprise pull-up shell hook and drop-down shell hook, the width of described drop-down shell hook front end is greater than the width of the bullet fire in a stove before fuel is added.

5. according to claim 1-4 wherein a kind of pump type shotgun described in any one, it is characterised in that: 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.