阅读说明：本技术 ***及拓展装置 (Gun and expansion device ) 是由 余华昊 于 2020-08-28 设计创作，主要内容包括：本发明涉及一种枪支及拓展装置。其中拓展装置包括弹匣座、觇孔座以及枪管座。弹匣座用于固定在弹匣外。所述觇孔座用于固定在枪支本体上并与所述枪支本体的准星相对。所述枪管用于套设在所述枪管外,并且所述枪管座与所述弹匣座以及觇孔座混固定连接,所述枪管座做设有用于加装功能配件的导轨。上述拓展装置通过将枪管座与弹匣座以及觇孔座固定连接,由于弹匣座与弹匣相固定、觇孔座与枪支本体相固定,并且枪管座与枪管相固定,从而使得拓展装置形成多点固定结构,相比于传统两点固定的导轨套件,本申请的拓展装置稳定性更好,避免了在枪支上安装拓展装置后拓展装置松动而影响武器瞄准的准确度以及影响战术动作操作等问题。(The invention relates to a gun and an expansion device. The expanding device comprises a magazine seat, a target seat and a gun barrel seat. The magazine base is used for being fixed outside the magazine. The target holder is used for being fixed on a gun body and is opposite to a sight of the gun body. The gun barrel is used for being sleeved outside the gun barrel, the gun barrel seat is fixedly connected with the magazine seat and the sighting hole seat in a mixed mode, and the gun barrel seat is provided with a guide rail used for installing functional accessories additionally. The extension device is characterized in that the gun barrel seat is fixedly connected with the magazine seat and the sighting hole seat, the magazine seat is fixed with the magazine, the sighting hole seat is fixed with the gun body, and the gun barrel seat is fixed with the gun barrel, so that the extension device forms a multi-point fixing structure.)

1. An expansion device, comprising:

the magazine base is used for being fixed outside the magazine;

a target holder for securing to a firearm body opposite a sight of the firearm body; and the number of the first and second groups,

the gun barrel is used for being sleeved outside the gun barrel, the gun barrel seat is fixedly connected with the magazine seat and the target hole seat, and the gun barrel seat is provided with a guide rail for installing functional accessories.

2. The expansion device according to claim 1, wherein the guide rail comprises a first guide rail and a second guide rail which are oppositely arranged on the gun barrel seat, the target seat is connected with the first guide rail, and the magazine seat is connected with the second guide rail.

3. An expansion device according to claim 2, characterized in that the gun barrel base is further provided with a heat sink through the first guide rail.

4. An expansion device according to claim 2, characterized in that the first guide rail and/or the second guide rail are detachably provided with a first receptacle for attaching a functional fitting.

5. An expansion device according to claim 1, wherein the gun barrel base is provided with hollowed-out grooves on the left and right sides.

6. An expansion device according to claim 5, characterized in that the hollow-out channel is detachably fitted with a second receptacle for attaching a functional fitting.

7. An expansion device according to claim 1, further comprising a gunband base for connecting a quick release gunband.

8. An expansion device according to claim 1, characterized in that the aperture base is provided with a third guide rail on which an optical sight is detachably arranged; and/or the aperture base is provided with an aperture, the aperture being opposite the sight.

9. An expansion device according to any one of claims 1-8, characterized in that the magazine holder comprises a body portion, which is provided with a magazine well for inserting a magazine, and a guide portion, which is provided with a guide hole and which communicates with the magazine well, the inner diameter of the guide hole increasing in a direction away from the body portion.

10. A firearm, characterized in that it comprises an expansion device according to any of the preceding claims 1-9.

Technical Field

The invention relates to the technical field of weaponry, in particular to a gun and an expansion device.

Background

Light submachine guns such as 79 type mini-submachine guns have the characteristics of small volume, light weight, strong close-range firepower, convenience in carrying and use and the like, and are widely arranged in armed police force and public security officers nowadays. Light submachine guns generally realize that functional accessories such as tactical flashlights, laser indicators, optical sighting devices and the like are additionally arranged on guns through expanding devices such as guide rail kits and the like.

However, the conventional guide rail kit has a large volume and a heavy weight, and the proportion of the weapon counterweight is not adjusted after the guide rail kit is installed, so that the guide rail kit is easy to loosen, which affects the aiming accuracy of the weapon and the tactical action operation.

Disclosure of Invention

In view of the above, it is necessary to provide a guide rail kit with improved installation stability

An expansion device comprising:

the magazine base is used for being fixed outside the magazine;

a target holder for securing to a firearm body opposite a sight of the firearm body; and the number of the first and second groups,

the gun barrel is used for being sleeved outside the gun barrel, the gun barrel seat is fixedly connected with the magazine seat and the target hole seat, and the gun barrel seat is provided with a guide rail for installing functional accessories.

The extension device is characterized in that the gun barrel seat is fixedly connected with the magazine seat and the sighting hole seat, the magazine seat is fixed with the magazine, the sighting hole seat is fixed with the gun body, and the gun barrel seat is fixed with the gun barrel, so that the extension device forms a multi-point fixing structure.

In one embodiment, the guide rail includes a first guide rail and a second guide rail which are oppositely arranged on the gun barrel base, the target holder is connected with the first guide rail, and the magazine holder is connected with the second guide rail.

In one embodiment, the gun barrel base is further provided with a heat dissipation groove penetrating through the first guide rail.

In one embodiment, a first receptacle for attaching a functional fitting is detachably provided on the first rail and/or the second rail.

In one embodiment, the left side and the right side of the gun barrel seat are provided with hollow grooves.

In one embodiment, the hollow groove is detachably provided with a second containing piece for installing a functional accessory.

In one embodiment, the expanding device further comprises a gun belt base for connecting a quick-release gun belt.

In one embodiment, the aperture base is provided with a third guide rail, and the third guide rail is detachably provided with an optical sight; and/or the aperture base is provided with an aperture, the aperture being opposite the sight.

In one embodiment, the magazine holder includes a body portion and a guide portion, the body portion defines a magazine well for inserting a magazine, the guide portion defines a guide hole, and the guide hole communicates with the magazine well, and an inner diameter of the guide hole increases in a direction away from the body portion.

A gun comprises the expanding device.

The extension device is installed on the gun, the gun barrel seat is fixedly connected with the magazine seat and the sighting hole seat, the magazine seat is fixed with the magazine, the sighting hole seat is fixed with the gun body, and the gun barrel seat is fixed with the gun barrel, so that the extension device forms a multi-point fixing structure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic view of an embodiment of an expansion device assembled with a firearm;

FIG. 2 is a front view of the assembled structure of the expanding device and the firearm shown in FIG. 1;

fig. 3 is a schematic structural view of a magazine holder according to an embodiment.

Description of reference numerals:

10. a magazine base; 11. a guide portion; 111. a guide hole; 12. a body portion; 121. a barrel mount; 122. a magazine fixing member; 123. a magazine well; 20. a diopter base; 21. an optical sight; 22. a target; 23. a third guide rail; 30. a barrel seat; 31. a second guide rail; 32. a first guide rail; 33. a first container; 34. a heat sink; 35. hollowing out the grooves; 36. a second container; 40. a gun body; 41. a magazine; 42. a barrel; 43. a sight bead; 50. gun belt base.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

Specifically, an embodiment of the application provides an extend device for install on the gun and provide the mounting platform who installs additional functional accessories for the gun. Functional accessories include, but are not limited to, tactical flashlights, laser pointers, optical sights 21, gun handles, and the like. Referring to fig. 1-2, fig. 1-2 illustrate an assembly of an expansion device and a firearm in accordance with an embodiment of the present invention. Specifically, the extension device of an embodiment includes a magazine holder 10, a target holder 20, and a barrel holder 30. The magazine holder 10 is adapted to be fixed outside the magazine 41. The target holder 20 is adapted to be secured to a firearm body 40 opposite a sight 43 of the firearm body 40. The barrel 42 is used for being sleeved outside the barrel 42, the barrel seat 30 is fixedly connected with the magazine seat 10 and the target hole seat 20 in a mixed mode, and the barrel seat 30 is provided with a guide rail for additionally installing functional accessories.

Specifically, the magazine base 10 and the target base 20 are respectively located at the upper and lower sides of the gun body 40, and the barrel base 30 is located between the magazine base 10 and the target base 20, so that the expanding device forms a stable triangular fixing structure. The traditional guide rail suite is directly sleeved on the gun barrel 42 of the gun, the number of fixed points is small, and the problems of low accuracy of weapon aiming, inconvenient tactical action operation and the like caused by easy looseness after installation are solved.

The extension device is characterized in that the gun barrel seat 30 is fixedly connected with the magazine seat 10 and the target seat 20, the magazine seat 10 is fixed with the magazine 41, the target seat 20 is fixed with the gun body 40, and the gun barrel seat 30 is fixed with the gun barrel 42, so that the extension device forms a multi-point fixing structure.

Specifically, the guide rails include a first guide rail 32 and a second guide rail 31 which are oppositely disposed on the barrel base 30, the target holder 20 is connected to the first guide rail 32, and the magazine holder 10 is connected to the second guide rail 31. Preferably, the first guide rail 32 and the second guide rail 31 are respectively located at the upper and lower sides of the gun barrel holder 30, and the target holder 20 is sleeved on the first guide rail 32 and detachably connected with the first guide rail 32 by a threaded connection. Similarly, the magazine base 10 is sleeved on the second rail 31 and detachably connected to the first rail 32 by a threaded connection.

Further, the barrel base 30 is provided with a heat dissipation groove 34 penetrating the first guide rail 32. Specifically, the heat sink 34 opens at the upper side of the barrel base 30, and the heat sink 34 extends from the end of the barrel base 30 remote from the target holder 20 to the connection of the barrel base 30 and the target holder 20. Through set up the radiating groove 34 of large tracts of land on the tube seat 30 upside, be favorable to dispelling the heat to barrel 42 when gun carries out continuous shooting, also reduced the weight and the volume of expanding the device simultaneously by a wide margin, avoided expanding the device and installed the gun counter weight proportion imbalance on the gun, further improved the convenience of gun operation and carried the convenience of the tactics action operation of executing a project when gun.

Specifically, referring to fig. 1-2, in the present embodiment, a first container 33 is disposed on the first guide rail 32, and a plurality of loading portions are disposed on the first container 33, and the loading portions are used for loading functional accessories such as a tactical flashlight, a laser pointer, an optical sight 21, a gun handle, and the like. By arranging the first expansion piece 33 on the first guide rail 32, the loading capacity of the expansion device is greatly improved, so that the expansion device can be provided with more various functional accessories. Further, the first container 33 is detachably mounted on the first rail 32, so that when more functional accessories need to be loaded, the first container 33 is mounted on the first rail 32, and the loading capacity of the expanding device is improved. When a large number of functional accessories do not need to be loaded, the first expansion capacity can be removed, and the weight of the expansion device is further reduced.

In other embodiments, the second guiding rail 31 is provided with a first container 33, and the first container 33 is provided with a plurality of loading portions for loading functional accessories such as a tactical flashlight, a laser pointer, an optical sight 21, a gun handle and the like. Through set up the first expansion piece 33 of detachable on second guide rail 31, improved the loading capacity of expansion device greatly for expansion device can install more various function accessories. Further, the first container 33 is detachably mounted on the second rail 31, so that the first container 33 is mounted on the second rail 31 when more functional accessories need to be loaded, and the loading capacity of the expanding device is improved. When a large number of functional accessories do not need to be loaded, the first expansion capacity can be removed, and the weight of the expansion device is further reduced. It is to be noted that the first receptacle part 33 can be arranged on the first guide rail 32 alone or on the second guide rail 31 alone. In some embodiments, the first and second guide rails 32 and 31 may be provided with the first container 33.

Referring to fig. 1-2, the barrel base 30 is further provided with hollow grooves 35 on both left and right sides thereof. Preferably, the left and right sides of barrel seat 30 all are equipped with a plurality of fretwork grooves 35, and a plurality of fretwork grooves 35 interval sets up. Through set up fretwork groove 35 in the left and right sides of tube seat 30 to further improved tube seat 30's heat dispersion when guaranteeing tube seat 30 intensity, reduced the weight of expanding the device simultaneously, further avoided expanding the device and installed the back gun counter weight proportion imbalance on the gun, further improved the convenience of gun operation and carrying.

Further, a second receptacle 36 for attaching a functional fitting is detachably fitted to the hollow groove 35. Specifically, the bottom of second expansion piece 36 is equipped with the installation department, and the installation department is protruding for matching with fretwork groove 35, the installation department inlays locates in fretwork groove 35, and second expansion piece 36 passes through the screw and can dismantle with barrel seat 30 and be connected. Further, the second container 36 is also provided with a plurality of loading portions for loading functional accessories such as a tactical torch, a laser pointer, an optical sight 21, a gun handle, and the like. Through set up detachable second on the fretwork groove 35 and expand the receptacle, further improved the loading capacity who extends the device for extend the device and can install more various functional accessories. Further, second dilatation piece 36 detachably installs on hollow-out groove 35 to install the second dilatation seat on hollow-out groove 35 when more functional accessories need to be loaded, thereby improve the loading capacity who expands the device. And when a large number of functional accessories do not need to be loaded, the second expansion device can be detached, and the weight of the expansion device is further reduced.

Referring to fig. 1-2, the extender further includes a band mount 50 for attaching a quick release band. Specifically, the strap mount 50 is adapted to be disposed on the firearm body 40. Further, the gun belt base 50 is provided with a connecting ring for connecting with a quick release buckle of a quick release gun belt. By pre-positioning the strap mount 50 on the firearm body 40, the firearm can be quickly loaded with a strap.

Further, the aperture base 20 is provided with a third guide rail 23, said third guide rail 23 being detachably provided with an optical sight 21. Specifically, the optical sight 21 is also called an optical sighting telescope, and the optical sight 21 mainly functions to use an optical lens for imaging, so that the target image and the aiming line are overlapped on the same focusing plane, and even if the eye slightly deviates, the aiming point is not affected. The optical sighting telescope can enlarge the image times, so that the shooting hit rate is improved.

Further, the target holder 20 is provided with a target 22, the target 22 being opposite to the sight 43. The target 22 is used to cooperate with a sight 43 of a gun to form a mechanical sight. Through the mechanical sighting device and the optical sighting device 21, the gun can have the functions of optical sighting and mechanical sighting at the same time, the requirements of different users are met, meanwhile, when one sighting device is damaged, the other sighting device can be used for replacing the mechanical sighting device, and the replacement and maintenance time is saved. Preferably, the target 22 is disposed below the optical sight 21, and the target 22 extends through the third guide rail 23.

Referring to fig. 3, the magazine holder 10 includes a body 12 and a guide 11, the body 12 defines a magazine well 123 for inserting the magazine 41, the guide defines a guide hole 111, and the guide hole 111 communicates with the magazine well 123, and an inner diameter of the guide hole 111 increases in a direction away from the body 12. That is, the end of the guiding hole 111 close to the body 12 is smaller and is communicated with the magazine well 123, and the end of the guiding hole 111 far from the body 12 is larger and is horn-shaped as a whole, so that the guiding part plays a role in guiding and correcting in the process of inserting the magazine 41 into the magazine well 123, and when the inserting angle of the magazine 41 has a certain deviation with the magazine well 123, the magazine 41 can still be inserted into the magazine well 123 smoothly through the guiding and correcting function of the guiding part horn-shaped guiding hole 111. Thereby improving the convenience and efficiency of the installation of the magazine 41.

Further, referring to fig. 3, the body portion 12 includes a magazine fixing member 122 and a barrel fixing member 121, the magazine fixing member 122 is detachably connected to the barrel fixing member 121, and the magazine fixing member 122 and the barrel fixing member 121 together enclose to form a magazine well 123, the magazine fixing member 122 is configured to be sleeved outside the magazine 41, and the barrel fixing member 121 is configured to be fixedly connected to the barrel 42. The magazine holder 10 is fixed at multiple points by fixing the magazine holder 122 to the outside of the magazine 41 and fixing the barrel holder 121 to the barrel base 30, so that the mounting stability of the magazine holder 10 is improved, and the magazine holder 122 is detachably connected to the barrel holder 121, thereby facilitating the mounting of the magazine holder 10. Preferably, a mounting groove penetrating the mounting hole is formed at one side of the magazine fixing member 122, and a portion of the barrel fixing member 121 is inserted into the mounting groove and detachably connected to the magazine fixing member 122 by a screw connection member such as a screw.

Further, referring to fig. 1-2, an embodiment of the present application also provides a firearm, and in particular, an embodied firearm includes a firearm body 40 and an expansion device of any of the embodiments described above. Specifically, the firearm includes a firearm body 40 and a magazine 41, a sight 43, and a barrel 42 disposed on the firearm body 40. The expanding device comprises a magazine holder 10, a target holder 20 and a barrel holder 30. The magazine holder 10 is fixed outside the magazine 41. The target holder 20 is fixed to a gun body 40 opposite a sight 43 of the gun body 40. The barrel 42 is sleeved outside the barrel 42, the barrel seat 30 is fixedly connected with the magazine seat 10 and the target hole seat 20 in a mixed manner, and the barrel seat 30 is provided with a guide rail for installing functional accessories.

Specifically, the magazine base 10 and the target base 20 are respectively located at the upper and lower sides of the gun body 40, and the barrel base 30 is located between the magazine base 10 and the target base 20, so that the expanding device forms a stable triangular fixing structure. The traditional guide rail suite is directly sleeved on the gun barrel 42 of the gun, the number of fixed points is small, and the problems of low accuracy of weapon aiming, inconvenient tactical action operation and the like caused by easy looseness after installation are solved.

The gun is provided with the expanding device, the gun barrel seat 30 is fixedly connected with the magazine seat 10 and the target hole seat 20, the magazine seat 10 is fixed with the magazine 41, the target hole seat 20 is fixed with the gun body 40, and the gun barrel seat 30 is fixed with the gun barrel 42, so that the expanding device forms a multi-point fixing structure.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.