CN205300381U

CN205300381U - Novel shotgun

Info

Publication number: CN205300381U
Application number: CN201620010185.9U
Authority: CN
Inventors: 时百峰
Original assignee: Rizhao Brother Machinery Co Ltd
Current assignee: Rizhao Brother Machinery Co Ltd
Priority date: 2016-01-07
Filing date: 2016-01-07
Publication date: 2016-06-08
Anticipated expiration: 2026-01-07

Abstract

The utility model discloses a novel shotgun belongs to the gun field, including the rifle body, and be located the internal rifle bolt blocked mechanical system of rifle and being located the magazine section of thick bamboo of rifle body below is located the check nut of magazine section of thick bamboo front end, its characterized in that: the inner wall of a magazine section of thick bamboo is equipped with limit buckle be equipped with guiding axle and spring in the magazine section of thick bamboo respectively, the spring is located the end of guiding axle the guiding axle is equipped with logical groove and spacing groove outward respectively be equipped with the perforation in the guiding axle, the utility model provides a many weak points in traditional shotgun, shotgun after the improvement not only uses simple and conveniently, but also has reduced the degree of difficulty of production technology and preparation, very big saving the manufacturing cost of enterprise.

Description

A kind of novel shotgun

Technical field

This utility model relates to a kind of shotgun, especially a kind of novel shotgun.

Background technology

For in the M1300-20GA shotgun of existing Winchester, it is using and is having the following disadvantages in manufacturing process: 1, when needs dismounting limit bullet rod, first have to take off lock nut, then more anti-jump emitting is taken out in magazine cylinder, then it is directed to after axle takes out again could be taken out in magazine cylinder by limit bullet rod, whole process operation gets up not only loaded down with trivial details, and when taking anti-jump emitting, owing to the anti-jump employing soft rubber material that emits is made, and be typically all when taking anti-jump emitting and take by carrying out sled with the instrument of screwdriver etc, this not only easily causes the anti-jump damage emitted, and the elastic force being subject to spring after the removal is also easily flown by bullet, make anti-jump to emit loss, too increase difficulty during installation simultaneously, thus bringing great inconvenience to user, 2, situation about coming off to prevent the lock nut of magazine cylinder front end from use automatically sending, therefore the pushing out ring below gun barrel front end is provided with and is specifically designed to the position-limit mechanism that lock nut is spacing, this mechanism is by withstanding, withstand spring and withstanding screw and constitute, owing to whole position-limit mechanism is all smaller, therefore processing is got up just pretty troublesome in process of production, reduces the efficiency of production, 3, in prior art, the locked groove on barrel block is close-fitting with the snap close on tumbler, therefore will be very high for spiral fluted machining accuracy on breech housing, otherwise snap close and locked groove just cannot coordinate, for this high-precision processing, not only need special process equipment, also to have the workman of high-tech just can complete processing, but but be difficult to find so suitable skilled industrial worker in reality, this not only have impact on the efficiency of production, but also improves the cost that enterprise produces.

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 novel shotgun.

This utility model solves its technical problem and be the technical scheme is that a kind of novel shotgun, including gun body, and it is positioned at the gunlock structure of described gun body, with the magazine cylinder being positioned at below described gun body, it is positioned at the lock nut of described magazine cylinder front end, it is characterized in that: the inwall at described magazine cylinder is provided with limit buckle, it is respectively equipped with the axis of guide and spring in described magazine cylinder, described spring is positioned at described guiding the tip of the axis, groove and stopper slot it is respectively equipped with outside the described axis of guide, it is provided with perforation in the described axis of guide, perforation is used for placing limit bullet rod, stopper slot, groove limit buckle is all symmetrically arranged, and between groove with stopper slot, differ 90 degree, so when installing or removing the axis of guide, only need to be directed to axle rotation 90 degree can complete.

The end face of described axis of guide front end is provided with some projections, being provided with in described lock nut can with the groove of described male cooperation, the effect achieving original position-limit mechanism is coordinated with groove by protruding, so that spring and the axis of guide possess new purposes, so there is no need to special position-limit mechanism, save the cost of 10 yuan of every rifle, also simplify manufacturing procedure simultaneously, reduce the production cost of enterprise.

The described axis of guide is in a cylindrical shape structure, is provided with gripper shoe in the described axis of guide, and described perforation is positioned in described gripper shoe, spring directly can be put into the axis of guide during installation, and the power effect of spring at front end is on the supporting plate so that the axis of guide can uniform force.

Described gunlock structure includes breech housing, tumbler and barrel block, described breech housing is provided with helicla flute, it is provided with boss in the front end of described tumbler, described boss is provided with snap close, described tumbler sets lead, being provided with on described barrel block can with the locked groove of described snap fit, stand out between described snap close and locked groove is between 0.3mm-0.6mm, by increasing the gap between locked groove and snap close, thus reducing the demand to machining spiral groove precision, so while ensureing product quality, also reduce the difficulty of workman's processing, improve the efficiency produced.

The width of described locked groove is 5.1mm, the width of described snap close is 4.7mm, stand out between such snap close and locked groove is 0.4mm, and such stand out not only ensures snap close has good fiting effect with locked groove, also reduces workman simultaneously to greatest extent and processes spiral fluted difficulty.

Advantage of the present utility model: 1, because being provided with groove and stopper slot on the outer wall of the axis of guide, so at needs and be provided with perforation on the axis of guide, so when needs installation or removal limit bullet rod, only lock nut need to be removed, greatly simplify operating process during dismounting limit bullet rod, user-friendly, also effectively prevent the situation that components and parts are lost simultaneously; 2, spring is directed to one end to lock nut place, axle top, then pass through projection and with coordinating of groove, lock nut is carried out spacing, thus adding the purposes of spring and the axis of guide, make spring and the axis of guide can one multiplex, therefore avoid the need for arranging special position-limit mechanism on a pushing out ring, this is not only the production cost reducing every rifle, but also eliminates the manufacturing procedure that some of them are complicated, improves production efficiency; 3, the space between original snap close and locked groove is increased, thus reducing the requirement that helicla flute is added precision, even if creating bigger error when processing helicla flute, without having influence on coordinating of snap close and locked groove, therefore the requirement to workman's technology is also just reduced so that common skilled industrial worker also can complete processing smoothly, while ensureing product quality, also greatly improve the efficiency of production, reduce the cost that enterprise produces.

Accompanying drawing explanation

Fig. 1 is magazine barrel structure schematic diagram of the prior art.

Fig. 2 is the structural representation after this utility model magazine cylinder is connected with lock nut.

Fig. 3 is the structural representation of this utility model magazine cylinder.

Fig. 4 is the structural representation of this utility model lock nut.

Fig. 5 is the structural representation of this utility model breech housing.

Fig. 6 is the structural representation of this utility model tumbler.

Fig. 7 is this utility model snap close structural representation when coordinating with locked groove.

Detailed description of the invention

Below in conjunction with Figure of description, this utility model is described below.

As shown in the figure, a kind of novel shotgun, including gun body, and it is positioned at the gunlock structure of described gun body, with the magazine cylinder 1 being positioned at below described gun body, it is positioned at the lock nut 4 of described magazine cylinder 1 front end, it is characterized in that: the inwall at described magazine cylinder 1 is provided with limit buckle 10, the axis of guide 3 and spring 2 it is respectively equipped with in described magazine cylinder 1, described spring 2 is positioned at the end of the described axis of guide 3, groove 31 and stopper slot 32 it is respectively equipped with outside the described axis of guide 3, it is provided with perforation 60 in the described axis of guide 3, perforation 60 is used for placing limit bullet rod 5, stopper slot 32, groove 31 limit buckle 10 is all symmetrically arranged, and between groove 31 with stopper slot 32, differ 90 degree, so when installing or removing the axis of guide 3, only need to be directed to axle 3 rotate 90 degree and can complete.

The end face of the described axis of guide 3 front end is provided with some protruding 30, being provided with in described lock nut 4 can with described protruding 30 groove 40 coordinated, by convex 30 play with groove 40 coordinate the effect achieving original position-limit mechanism 13, so that spring 2 and the axis of guide 3 possess new purposes, so there is no need to special position-limit mechanism 13, save the cost of 10 yuan of every rifle, also simplify manufacturing procedure simultaneously, reduce the production cost of enterprise.

The described axis of guide 3 is in a cylindrical shape structure, it is provided with gripper shoe 6 in the described axis of guide 3, described perforation 60 is positioned in described gripper shoe 6, directly spring 2 can be put into the axis of guide 3 during installation, the power of spring 2 front end acts in gripper shoe 6, make the axis of guide 3 can uniform force, install limit bullet rod 5 time directly limit bullet rod 5 is put into bore a hole 60.

Described gunlock structure includes breech housing 7, tumbler 8 and barrel block 9, described breech housing 7 is provided with helicla flute 70, it is provided with boss 81 in the front end of described tumbler 8, described boss 81 is provided with snap close 82, described tumbler 8 also sets lead 83, tumbler 8 is positioned at breech housing 7, lead 83 is positioned at helicla flute 70, described barrel block 9 is provided with the locked groove 90 that can coordinate with described snap close 82, stand out between described snap close 82 and locked groove 90 is between 0.3mm-0.6mm, by increasing the gap between locked groove 90 and snap close 82, thus reducing the demand to helicla flute 70 machining accuracy, so while ensureing product quality, also reduce the difficulty of workman's processing, improve the efficiency produced.

The width of described locked groove 90 is 5.1mm, the width of described snap close 82 is 4.7mm, stand out between such snap close 82 and locked groove 90 is 0.4mm, such stand out not only ensures snap close 82 has good fiting effect with locked groove 90, also reduces workman simultaneously to greatest extent and processes the difficulty of helicla flute 70.

Its operation principle is: when dismantling the axis of guide 3, first it is directed to axle 3 advance in magazine cylinder 1, in limit buckle 10 from after removal in stopper slot 32, it is directed to axle 3 90-degree rotation, make limit buckle 10 and groove 31 to it, now to be directed to axle 3 under the effect of spring 2 extrapolated for the axis of guide 3, limit buckle 10 is also put in groove 31, when installing the axis of guide 3, first it is allow groove 31 and limit buckle 10 to it, then the axis of guide 3 is promoted to move in magazine cylinder 1, by the time after limit buckle 10 removes from the other end of groove 31, it is directed to axle 3 and rotates 90 degree, now limit buckle 10 and stopper slot 32 are to it, such limit buckle 10 is when moving to stopper slot 32 end, the axis of guide 3 is just played position-limiting action by limit buckle 10, prevent the situation that the axis of guide 3 is ejected, after lock nut 4 is installed to magazine cylinder 1, the axis of guide 3 makes the projection 30 on the axis of guide 3 end face coordinate with the groove 40 in lock nut 4 under the effect of spring 2, thus lock nut 4 is carried out position-limiting action, prevent lock nut 4 because shaking and loosening situation for a long time.

Claims

1. a novel shotgun, including gun body, and it is positioned at the gunlock structure of described gun body, with the magazine cylinder being positioned at below described gun body, be positioned at the lock nut of described magazine cylinder front end, it is characterised in that: the inwall at described magazine cylinder is provided with limit buckle, it is respectively equipped with the axis of guide and spring in described magazine cylinder, described spring is positioned at described guiding the tip of the axis, is respectively equipped with groove and stopper slot outside the described axis of guide, is provided with perforation in the described axis of guide.

2. the novel shotgun of one according to claim 1, it is characterised in that: being provided with some projections on the end face of described axis of guide front end, being provided with in described lock nut can with the groove of described male cooperation.

3. the novel shotgun of one according to claim 2, it is characterised in that: the described axis of guide is in a cylindrical shape structure, is provided with gripper shoe in the described axis of guide, and described perforation is positioned in described gripper shoe.

4. the novel shotgun of one according to claim 1, it is characterized in that: described gunlock structure includes breech housing, tumbler and barrel block, described breech housing is provided with helicla flute, it is provided with boss in the front end of described tumbler, described boss is provided with snap close, setting lead on described tumbler, being provided with on described barrel block can with the locked groove of described snap fit, and the stand out between described snap close and locked groove is between 0.3mm-0.6mm.

5. the novel shotgun of one according to claim 4, it is characterised in that: the width of described locked groove is 5.1mm, and the width of described snap close is 4.7mm.