CN212320532U

CN212320532U - Muzzle suppressor

Info

Publication number: CN212320532U
Application number: CN202021173915.XU
Authority: CN
Inventors: 艾川; 周晗; 王欢; 刘科言; 陈世贵; 袁静; 李秉讯; 徐亚辉; 宋桂清
Original assignee: Chongqing Jianshe Industry Group Co Ltd
Current assignee: Chongqing Jianshe Industry Group Co Ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-01-08
Anticipated expiration: 2030-06-23

Abstract

The utility model provides a muzzle suppressor, which comprises a joint, a suppressor outer cylinder and a bottom cover, wherein the joint, the suppressor outer cylinder is in threaded connection with the joint, the bottom cover is in threaded connection with the suppressor outer cylinder, the joint is in threaded connection with a gun barrel, a suppressor inner cylinder is arranged between the joint and the bottom cover, the suppressor inner cylinder is positioned in the suppressor outer cylinder, the rear end surface of the suppressor inner cylinder is in conflict with the front end surface of the joint, the front end surface is in conflict with the rear end surface of the bottom cover, the cylinder wall of the suppressor inner cylinder is circumferentially provided with a plurality of through holes a, a damper is sleeved in each through hole a, the head of the damper passes through the through hole a and extends into the cavity of the suppressor inner cylinder, the tail of the damper is arranged between the suppressor inner cylinder and the suppressor outer cylinder and is in conflict installation, the gunpowder gas entering the suppressor inner cylinder is repeatedly shunted and reflected, the flow rate and the pressure of, the length of the muzzle flame can be effectively shortened, and the noise reduction effect is obvious.

Description

Muzzle suppressor

Technical Field

The utility model belongs to the technical field of firearms, specifically be a muzzle inhibitor.

Background

Muzzle suppressors, also commonly referred to as suppressors and silencers, are devices attached to firearms to reduce the noise and flame size produced when the weapon is fired. Typically it is mounted to the muzzle of the barrel. In combat, soldiers (shooters) need to conceal themselves from enemy discovery, however, when firearms are fired, the muzzle port generates significant muzzle flame and large muzzle noise, which typically reaches over 140 db and exposes the soldiers (shooters). Muzzle flames are particularly obvious at night, muzzle noise can also damage the hearing of soldiers (shooters), and the concealment of firearms in use is poor.

Disclosure of Invention

To the defect among the prior art, the utility model provides a muzzle inhibitor can restrain muzzle flame and noise when firearms shoot. When the gunpowder gas flows through the suppressor, the gunpowder gas expands and repeatedly flows in the suppressor in a reflecting manner, so that the flow speed and the pressure are reduced, and the pressure difference between the gunpowder gas pressure and the atmospheric pressure is reduced, thereby reducing the aerodynamic noise of a muzzle; meanwhile, the inhibitor prolongs the time for the gunpowder gas to flow out of the muzzle, so that the gunpowder gas is fully combusted, and the flame generated by the gunpowder gas at the muzzle is reduced.

The utility model relates to a muzzle suppressor, which comprises a joint, a suppressor outer cylinder and a bottom cover, wherein the joint, the suppressor outer cylinder is in threaded connection with the suppressor outer cylinder, the joint is sequentially arranged from back to front, the suppressor inner cylinder is arranged between the joint and the bottom cover, the suppressor inner cylinder is positioned in the suppressor outer cylinder, the rear end surface of the suppressor inner cylinder is in conflict with the front end surface of the joint, the front end surface is in conflict with the rear end surface of the bottom cover, the cylinder wall of the suppressor inner cylinder is circumferentially provided with a plurality of through holes a, a damper is sleeved in each through hole a, the head of the damper passes through the through hole a and extends into the cavity of the suppressor inner cylinder, the tail of the damper is arranged between the suppressor inner cylinder and the suppressor outer cylinder in a conflicting manner and is used for repeatedly shunting and reflecting gunpowder gas entering the suppressor inner cylinder, reducing the flow rate and pressure, the suppression of noise during shooting is realized.

Furthermore, the head of the damper is of a polyhedral structure, the tail of the damper is provided with a first step and a second step, the peripheral surface of the first step is a first cylindrical surface, the peripheral surface of the second step is a second cylindrical surface, the tail end surface of the damper is an arc surface, the first cylindrical surface of the damper is tightly attached to the wall of the through hole a of the inner cylinder of the damper, the end surface of the second step of the damper is installed in a mode of abutting against the wall of the outer cylinder of the inner cylinder of the damper, and the arc surface of the tail end surface of the damper is installed in a mode of abutting against the wall of the.

Furthermore, the suppressor inner cylinder is a thin-walled cylinder, 4 through holes a are formed in the cylinder wall along the circumferential direction, a plurality of through holes are formed in the cylinder wall along the axial direction, and axially adjacent through holes a are arranged in a staggered mode in the circumferential direction.

Furthermore, 7 through holes a on the wall of the suppressor inner cylinder are axially arranged, and the circumferential staggered angle is 45 degrees.

Furthermore, the polyhedral structure of the damper head is a regular tetrahedron structure, the axis of the first cylindrical surface of the damper coincides with the axis of the second cylindrical surface of the damper, the axis of the arc surface at the tail end of the damper is perpendicular to the axis of the first cylindrical surface, one plane of the regular tetrahedron coincides with the end surface of the first step, and the first edge of the regular tetrahedron is coplanar with the axis of the arc surface at the tail end.

Furthermore, when the damper is installed in the through hole a of the inner cylinder of the suppressor, the first edge of the regular tetrahedron at the head of the damper is installed towards the muzzle direction.

Furthermore, the joint is tubular, the rear end of the joint is provided with an internal thread in threaded connection with the gun barrel, and the outer peripheral surface of the front end of the joint is provided with an external thread in threaded connection with the outer barrel of the suppressor.

Furthermore, the outer barrel of the suppressor is a thin-walled barrel, and internal threads are arranged at the two ends of the front end and the rear end of the suppressor.

Further, the bottom cover is tubular, external threads are arranged on the outer peripheral surface of the bottom cover and are in threaded connection with the suppressor outer cylinder, and a through hole b for the shot to pass through is formed in the center of the bottom cover.

The utility model has the advantages that:

1. the utility model discloses a set up a plurality of through-holes a on the global of inhibitor inner tube, and all set up the attenuator in every through-hole a, the attenuator head stretches into in the cavity of inhibitor inner tube, and adopt polyhedral structure, one of them edge of polyhedron is installed towards the muzzle direction, the attenuator adopts this structure can make gunpowder gas flow through the inhibitor when, expand, the flow that reflects repeatedly in the inhibitor, improve the reflection effect, reduce the velocity of flow and the pressure of gunpowder gas, reduce gunpowder gas pressure and atmospheric pressure difference, thereby reduce muzzle aerodynamic noise;

2. the utility model has moderate number of dampers, which not only satisfies the suppression effect of the suppressor on gunpowder gas, but also does not excessively increase the weight of the suppressor, thereby avoiding the influence of the suppressor on the mechanical performance of the firearms;

3. the damper is arranged in the suppressor, so that the time for the gunpowder gas to flow out of the muzzle is prolonged, the gunpowder gas is fully combusted, flames generated by the gunpowder gas at the muzzle are reduced, and the noise reduction effect is remarkable.

Drawings

FIG. 1 is a cross-sectional view of the present invention in connection with a barrel;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;

FIG. 4 is a cross-sectional view of the joint;

FIG. 5 is a cross-sectional view of the damper outer barrel;

FIG. 6 is a cross-sectional view of the bottom cap;

FIG. 7 is a cross-sectional view of the inner barrel of the inhibitor;

FIG. 8 is a schematic view of the damper;

FIG. 9 is a top view of the damper;

FIG. 10 is a left side view of the damper;

FIG. 11 is a front view of the damper;

in the drawings: 1-gun barrel, 2-joint, 3-suppressor outer cylinder, 4-bottom cover, 41-through hole b,

5-suppressor inner cylinder, 51-through hole a,

6-damper, 61-polyhedron, 62-first step, 63-second step, 64-first cylindrical surface, 65-second cylindrical surface, 66-arc surface, 67-end surface, 68-first edge,

7-internal thread and 8-external thread.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the accompanying drawings.

In the present embodiment, the shooting direction of the firearm is taken as the front end,

the muzzle suppressor shown in fig. 1 to 11 is in threaded connection with a barrel 1, and comprises a joint 2, a suppressor outer cylinder 3 and a bottom cover 4, wherein the joint 2, the suppressor outer cylinder 3 and the bottom cover 4 are sequentially arranged from back to front, the suppressor outer cylinder 3 is in threaded connection with the joint 2, the bottom cover 3 is in threaded connection with the suppressor outer cylinder 3, a suppressor inner cylinder 5 is arranged between the joint 2 and the bottom cover 4, the suppressor inner cylinder 5 is positioned in the suppressor outer cylinder 3, the rear end face of the suppressor inner cylinder 5 is abutted against the front end face of the joint 2, the front end face is abutted against the rear end face of the bottom cover 4, a plurality of through holes a51 are circumferentially arranged on the cylinder wall of the suppressor inner cylinder 5, a damper 6 is sleeved in each through hole a51, the head of the damper 6 penetrates through the through hole a51 and extends into a cavity of the suppressor inner.

As shown in fig. 4, in this embodiment, the joint 2 is tubular, and has an internal thread 7 screwed with the barrel 1 at the rear end and an external thread 8 screwed with the suppressor outer cylinder 3 at the outer circumferential surface of the front end.

In the present embodiment, as shown in fig. 5, the outer barrel 3 of the suppressor is a thin-walled barrel, and both ends of the front end and the rear end are provided with internal threads 7, which are respectively in threaded connection with the bottom cover 4 and the joint 2.

As shown in fig. 6, the bottom cover 4 is tubular, the outer circumference of the bottom cover 4 is provided with external threads 8 for screwing with the suppressor outer cylinder 3, and the center of the bottom cover 4 is provided with a through hole b41 for passing the projectile.

As shown in fig. 7, the suppressor inner cylinder 5 is a thin-walled cylinder, 4 through holes a51 on the cylinder wall are arranged along the circumferential direction, a plurality of through holes a51 are arranged along the axial direction, in this embodiment, the number of through holes a51 arranged along the axial direction is 7, and the through holes a51 adjacent to each other in the axial direction are arranged in a staggered manner of 45 ° in the circumferential direction.

As shown in fig. 8-11, in order to improve the reflection effect of the suppressor, the head of the damper 6 is a polyhedron 61, the tail of the damper is provided with a first step 62 and a second step 63, the outer peripheral surface of the first step 62 is a first cylindrical surface 64, the outer peripheral surface of the second step 63 is a second cylindrical surface 65, the tail end surface of the damper 6 is an arc surface 66, the first cylindrical surface 64 of the damper is tightly attached to the hole wall of the through hole a51 of the inner cylinder of the suppressor, the end surface 67 of the second step of the damper is installed in an abutting manner with the outer cylinder wall of the inner cylinder 5 of the suppressor, and the arc surface 66 of the tail end surface of the damper is installed in an abutting manner with.

In this embodiment, the polyhedron 61 structure at the head of the damper 6 is a regular tetrahedron structure, the axes of the first cylindrical surface 64 and the second cylindrical surface 65 of the damper coincide, the axis of the arc surface 66 at the tail end of the damper is perpendicular to the axis of the first cylindrical surface 64, one plane of the regular tetrahedron coincides with the end surface of the first step 62, and the first edge 68 of the regular tetrahedron is coplanar with the axis of the arc surface 66 at the tail end.

When the damper 6 is installed in the through hole a51 of the damper inner cylinder, the first edge 68 of the regular tetrahedron at the head of the damper is installed towards the muzzle direction.

In this embodiment, the number of the dampers 6 may be set as needed to satisfy different suppression effects, the larger the number of the dampers 6 is, the stronger the suppression effect is, but the longer the length of the damper is, the larger the weight is, and the greater the influence on the maneuverability of the firearm is after the firearm is configured; the smaller the number of dampers 6, the weaker the suppression effect, but the shorter the length of the damper, the smaller the weight, and the less the impact on the maneuverability of the firearm after the firearm is arranged. Therefore, in order to balance the suppression effect of the suppressor and the influence on the maneuverability of the firearm, in the embodiment, the number of the dampers 6 is preferably 28, so that the suppression effect of the suppressor on the gunpowder fuel gas is satisfied, the weight of the suppressor is not excessively increased, and the influence of the suppressor on the maneuverability of the firearm is avoided;

the firearms provided with the suppressors are assembled, when in shooting, the shots sequentially pass through the joint, the internal cylinder of the suppressors and the central hole of the bottom cover after exiting from the opening part of the gun barrel, gunpowder gas at the opening part of the gun barrel enters the interior of the suppressors through the inner hole of the joint to expand and flow forwards, is repeatedly shunted and reflected by the polyhedron of the damper until the gunpowder gas reaches the bottom cover after passing through all the dampers, and finally flows out of the suppressors through the through hole b in the middle of the bottom cover.

The suppressor of the utility model reduces the flow rate and pressure of gunpowder gas, reduces the pressure difference between the gunpowder gas pressure and atmosphere, thereby reducing the aerodynamic noise of the muzzle; meanwhile, the time of the gunpowder gas flowing out of the muzzle is prolonged through the inhibitor, so that the gunpowder gas is fully combusted, flames generated by the gunpowder gas at the muzzle are reduced, and the noise reduction effect is remarkable.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. The utility model provides a muzzle inhibitor, includes by the back to preceding joint that sets gradually, with joint threaded connection's inhibitor urceolus and with inhibitor urceolus threaded connection's bottom, connect and barrel threaded connection, be equipped with the inhibitor inner tube between joint and the bottom, the inhibitor inner tube is located the inhibitor urceolus, its characterized in that: the rear end face of the suppressor inner cylinder is abutted to the front end face of the connector, the front end face is abutted to the rear end face of the bottom cover, a plurality of through holes a are formed in the wall of the suppressor inner cylinder in the circumferential direction, a damper is sleeved in each through hole a, the head of each damper penetrates through the through hole a to extend into a cavity of the suppressor inner cylinder, and the tail of each damper is arranged between the suppressor inner cylinder and the suppressor outer cylinder and is abutted to the suppressor inner cylinder and the suppressor outer cylinder for repeatedly shunting and reflecting gunpowder gas entering the suppressor inner cylinder, reducing the flow rate and pressure of the gunpowder gas, prolonging the time of the gunpowder gas flowing out of a gun muzzle and realizing the suppression.

2. The muzzle suppressor of claim 1, wherein: the damper is characterized in that the head of the damper is of a polyhedral structure, the tail of the damper is provided with a first step and a second step, the peripheral surface of the first step is a first cylindrical surface, the peripheral surface of the second step is a second cylindrical surface, the tail end surface of the damper is an arc surface, the first cylindrical surface of the damper is tightly attached to the wall of a through hole a of the inner cylinder of the damper, the end surface of the second step of the damper is installed in a mode of abutting against the outer cylinder wall of the inner cylinder of the damper, and the arc surface of the tail end surface of the damper is installed in a mode of.

3. The muzzle suppressor of claim 1, wherein: the suppressor inner cylinder is a thin-wall cylinder, 4 through holes a are formed in the cylinder wall along the circumferential direction, a plurality of through holes are formed in the axial direction, and axially adjacent through holes a are arranged in a staggered mode in the circumferential direction.

4. The muzzle suppressor of claim 3, wherein: 7 through holes a on the wall of the suppressor inner barrel are axially arranged, and the staggered angle in the circumferential direction is 45 degrees.

5. The muzzle suppressor of claim 2, wherein: the polyhedral structure of the head of the damper is a regular tetrahedron structure, the axis of a first cylindrical surface of the damper is superposed with the axis of a second cylindrical surface of the damper, the axis of an arc surface at the tail end of the damper is perpendicular to the axis of the first cylindrical surface, one plane of the regular tetrahedron is superposed with the end surface of a first step, and the first edge of the regular tetrahedron is coplanar with the axis of the arc surface at the tail end.

6. The muzzle suppressor of claim 5, wherein: when the damper is installed in the through hole a of the inner cylinder of the damper, the first edge of the regular tetrahedron at the head of the damper is installed towards the muzzle direction.

7. The muzzle suppressor of claim 1, wherein: the joint is tubular, the rear end of the joint is provided with an internal thread in threaded connection with the gun barrel, and the outer peripheral surface of the front end of the joint is provided with an external thread in threaded connection with the outer barrel of the suppressor.

8. The muzzle suppressor of claim 1, wherein: the outer barrel of the suppressor is a thin-wall barrel, and the front end and the rear end of the outer barrel are both provided with internal threads.

9. The muzzle suppressor of claim 1, wherein: the bottom cover is tubular, external threads are arranged on the peripheral surface of the bottom cover and are in threaded connection with the outer barrel of the suppressor, and a through hole b for the shot to pass through is formed in the center of the bottom cover.