Polyimide composite material portable defensive weapon

By using polyimide composite materials to manufacture portable self-defense weapons, the shortcomings of existing self-defense weapons in terms of deterrence and portability are solved, effective deterrence and self-defense effects on the enemy within a safe distance are achieved, and weight is reduced and portability is enhanced.

CN222761493UActive Publication Date: 2025-04-15JIANGSU AOSHEN HI TECH MATERIALS CO LTD
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Patent Information

Application Number
CN202421624649.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-10
Publication Date
2025-04-15
Estimated Expiration
2034-07-10

AI Technical Summary

Technical Problem

Existing self-defense weapons have shortcomings in deterrence and portability, and are mostly made of metal materials, resulting in increased weight, poor portability and close contact during use, making it difficult to ensure self-defense effect.

Method used

Portable self-defense weapons are made of polyimide composite materials, and the design includes bullet bays, firing devices, grips and bullets. Through the use of polyimide composite materials, weight reduction, portability is improved, and deterrence and self-defense effects are achieved through the designed structure.

Benefits of technology

The deterrence and portability of self-defense weapons are achieved. Through the use of polyimide composite materials, the weight is reduced, the portability is enhanced, and the designed structure is achieved to effectively deterrence and self-defense against the enemy within a safe distance.

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Abstract

The utility model relates to the technical field of self-defense weapons, and discloses a polyimide composite material portable self-defense weapon, which comprises a bomb cabin, a firing device, a grip and a bullet, the firing device comprises a shell, a firing piece, a spring and a trigger, the firing piece comprises a first sliding block, a firing pin is arranged on one side of the first sliding block close to the bomb cabin, a through hole is arranged on the shell, and the spring is arranged on the firing pin. One end of the spring is fixedly connected into the shell, the other end of the spring is fixedly connected with the first sliding block, a handle and a first clamping part are sequentially arranged below the first sliding block in the direction away from the missile cabin, the trigger comprises an elastic piece and a wrench, the end, away from the firing pin, of the elastic piece is fixedly connected into the shell, a second clamping part is arranged above the other end of the elastic piece, and the wrench is arranged below the other end of the elastic piece. And the first clamping part and the second clamping part can be clamped by pulling the handle. The self-defense weapon has the advantages that the self-defense effect is achieved by launching the bullets which have deterrent force and do not cause fatal injury, operation is easy, and the self-defense weapon is small in structure and convenient to carry.
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Description

Technical Field

[0001] The utility model relates to the technical field of self-defense weapons, in particular to a portable self-defense weapon made of a polyimide composite material. Background Art

[0002] Existing self-defense weapons, such as blades, have insufficient deterrence and are not enough to stop the enemy when in trouble. Other types of self-defense weapons have sufficient deterrence but poor portability. In addition, these self-defense weapons need to come into contact with the enemy when used, and cannot deter the enemy at a safe distance. Once in close contact, there will be more variables and it is difficult to ensure the self-defense effect. In addition, existing self-defense weapons are mostly made of metal materials. Although on the one hand they can meet the strength requirements and are easy to process, on the other hand the increased material quality leads to poor portability, which even affects actual use. Utility Model Content

[0003] The purpose of the utility model is to improve the deterrent force and portability of a self-defense weapon. Aiming at the above-mentioned deficiencies of the prior art, the utility model provides a portable self-defense weapon made of a polyimide composite material.

[0004] A portable self-defense weapon made of polyimide composite material, comprising a bomb compartment, a firing device, a grip and a bullet, wherein the bomb compartment comprises a compartment body and a chamber penetrating the compartment body, wherein the bullet is loaded in the chamber, wherein one end of the compartment body close to the primer of the bullet is fixedly connected to the firing device, wherein the firing device comprises a shell, a firing piece, a spring and a trigger, wherein the firing piece comprises a first slider slidably connected to the shell along the axial direction of the bullet, wherein a firing pin is provided on one side of the first slider close to the bomb compartment, wherein a through hole is provided on the shell, wherein the firing pin passes through the through hole and contacts the primer of the bullet, and wherein one end of the spring is fixedly connected to the shell. It is connected in the shell body, and the other end is fixedly connected to the first slider. The elastic force of the spring drives the first slider to move in the direction of the bullet. A handle and a first clamping part are provided in sequence below the first slider along the direction away from the magazine. The trigger includes an elastic sheet and a wrench. The elastic sheet is fixedly connected in the shell body at one end away from the firing pin, and a second clamping part is provided above the other end and a wrench is provided below. Pulling the handle can make the first clamping part and the second clamping part clamped, and pulling the wrench can separate the first clamping part and the second clamping part.

[0005] The above technical solution is further configured as follows: the first clamping portion is a first right-angled triangle block, the second clamping portion is a second right-angled triangle block, the inclined surface of the first right-angled triangle block and the inclined surface of the second right-angled triangle block are parallel to each other and arranged opposite to each other, and pulling the handle can make the vertical surface of the first right-angled triangle block contact the vertical surface of the second right-angled triangle block.

[0006] The above technical solution is further configured as follows: a strip hole is provided below the shell, and the lower ends of the handle and the wrench pass through the strip hole and are located outside the shell.

[0007] The above technical solution is further configured as follows: a blade is provided on the bomb bay, and the blade is hinged to the upper surface of the bay.

[0008] The above technical solution is further configured as follows: the length of the blade is less than the sum of the lengths of the cabin and the firing device.

[0009] The above technical solution is further configured as follows: a limit strip is provided above the cabin body, and when the side edge of the blade contacts the limit strip, the center line of the blade is parallel to the center line of the shell.

[0010] The above technical solution is further configured as follows: the handle has two hand-held parts and a connecting plate, the two hand-held parts are respectively hinged on both sides of the shell away from the bomb bay, the two sides of the connecting plate are respectively fixedly connected to the lower side of the two hand-held parts close to the bomb bay, and when the lower side edge of the hand-held part is rotated to be parallel to the lower surface of the shell, the upper surface of the connecting plate is in contact with the lower surface of the shell.

[0011] The above technical solution is further configured as follows: two limit blocks are respectively provided on both sides of the shell away from the bomb bay end, and an inclined surface is provided below the limit block. When the hand-held part is rotated downward, the inclined surface can contact the lower side of the hand-held part.

[0012] The above technical solution is further configured as follows: the materials of the bomb bay, shell, firing piece and handle are all made of polyimide composite materials.

[0013] The above technical solution is further configured as follows: the material of the trigger is metal material.

[0014] The beneficial effects of the utility model are:

[0015] 1. The present invention is provided with a magazine and a firing device, which includes a shell, a firing piece, a spring and a trigger. When firing a bullet, the handle of the firing piece is first pulled to make the first slider and the first right-angled triangle block move toward the trigger direction. After the inclined surface of the first right-angled triangle block is connected with the inclined surface of the second right-angled triangle block, when continuing to move backward, the elastic sheet of the trigger bends downward, and the second right-angled triangle block moves downward, so that the first right-angled triangle block passes over the second right-angled triangle block. At this time, the elastic force of the elastic sheet pushes the second right-angled triangle block to return to its position, and the handle is released. The vertical surface of the first right-angled triangle block can contact the vertical surface of the second right-angled triangle block, and the freedom of the first right-angled triangle block in the horizontal direction is limited, and the spring is in a tensioned state at the same time; then the wrench is pulled obliquely downward, the second right-angled triangle block moves downward and separates from the first right-angled triangle block, and the first slider moves rapidly toward the magazine direction under the pulling force of the spring, so that the firing pin on the first slider collides with the primer of the bullet, completing the firing. The present invention achieves the effect of self-defense by firing bullets that are deterrent but do not cause fatal injuries. The operation is simple, and the self-defense weapon has a compact structure and is easy to carry.

[0016] 2. A blade is hinged above the ammunition bay, and the blade can be extended and folded by rotating the blade. A limit strip is provided above the ammunition bay to limit the position of the blade when folded and extended, ensuring that the blade can accurately reach a position parallel to the side of the shell when folded or extended, so that the center line of the blade and the shell are in the same straight line, which is convenient for carrying and use for self-defense.

[0017] 3. The grip consists of two hand-held parts rotatably connected to the shell. By rotating the hand-held part to make it parallel to the shell, the grip can be folded for easy carrying. By rotating the hand-held part downward so that the lower side of the hand-held part is connected to the limit block, the grip can be turned into a grip that forms an obtuse angle with the shell, which is convenient for holding the grip to fire bullets and is easy to operate.

[0018] 4. The materials of the bomb bay, shell, firing piece and grip are all polyimide composite materials, which can further reduce weight and improve portability compared to metal materials. Polyimide composite materials have the characteristics of high heat resistance, excellent mechanical properties, dielectric properties, solvent resistance, etc. The most important thing is that polyimide composite materials are light in weight, and replacement can significantly reduce weight while meeting the strength requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model.

[0020] Figure 2 It is a cross-sectional schematic diagram of the utility model.

[0021] Figure 3 It is an explosion diagram of the utility model.

[0022] Figure 4It is a schematic diagram of the structure of the firing device of the utility model.

[0023] Figure 5 This is a schematic diagram of the structure of the blade of the utility model when it is unfolded.

[0024] Figure 6 This is a schematic diagram of the structure of the handle of the utility model when it is unfolded.

[0025] Figure 7 This is a schematic diagram of the structure of the blade and the handle of the utility model when they are simultaneously unfolded.

[0026] In the figure, 1, magazine; 101, cabin; 102, chamber; 103, groove; 2, firing device; 201, shell; 202, firing piece; 202a, first slider; 202b, firing pin; 202c, handle; 202d, first clamping part; 203, spring; 204, trigger; 204a, elastic sheet; 204b, wrench; 204c, second clamping part; 205, connecting strip; 3, grip; 301, hand-held part; 302, connecting strip; 4, bullet; 5, bolt; 6, slide groove; 7, through hole; 8, second slider; 9, strip hole; 10, blade; 11, limit strip; 12, limit block. DETAILED DESCRIPTION

[0027] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0028] Example 1

[0029] A portable self-defense weapon made of polyimide composite material, such as Figure 1-Figure 3 As shown, it includes a magazine 1, a firing device 2, a grip 3 and a bullet 4. The magazine 1 includes a cabin body 101 and a chamber 102 penetrating the cabin body 101. The diameter of the chamber 102 at one end close to the firing device 2 is the same as the diameter of the cartridge case, and the diameter of the other end of the chamber 102 is the same as the maximum diameter of the bullet. The bullet 4 is pushed into the chamber 102 from the end of the chamber 102 close to the firing device 2, so that the bullet 4 is stuck in the chamber 102. The firing device 2 includes a shell 201, a firing member 202, a spring 203 and a trigger 204. A connecting strip 205 is provided above the shell 201, and a groove 103 is provided on the cabin 101 for the connecting strip 205 to be embedded. After the connecting strip 205 is embedded in the groove 103, it is fixed to the cabin 101 by a bolt 5. Before using the self-defense weapon, first disassemble the ammunition bay 1, install the bullet 4 into the chamber 102, and then fix the ammunition bay 1 on the shell 201, so that the bullet 4 can be fixed in the ammunition bay 1.

[0030] like Figure 2-Figure 4As shown, the firing member 202 includes a first slider 202a slidably connected to the shell 201 along the axial direction of the bullet 4, a slide groove 6 is provided in the shell 201 for the first slider 202a to be slidably connected, a firing pin 202b is provided on the side of the first slider 202a close to the magazine 1, and a through hole 7 is provided on the shell 201, and the firing pin 202b passes through the through hole 7 and contacts the primer of the bullet 4. One end of the spring 203 is fixedly connected to the inner wall of the shell 201, and the other end is provided with a second slider 8, the second slider 8 is fixedly connected to the first slider 202a, and the second slider 8 is slidably connected to the inner wall of the shell 201, and the elastic force of the spring 203 drives the first slider 202a to move toward the direction of the bullet 4.

[0031] like Figure 2-Figure 4 As shown, a handle 202c and a first clamping portion 202d are sequentially provided below the first slider 202a in a direction away from the bomb bay 1, and the trigger 204 includes an elastic sheet 204a and a wrench 204b. The elastic sheet 204a is fixedly connected to the housing 201 at one end away from the firing pin 202b, and a second clamping portion 204c is provided above the other end and a wrench 204b is provided below the other end. Pulling the handle 202c can cause the first clamping portion 202d and the second clamping portion 204c to be clamped. A strip hole 9 is provided below the housing 201, and the lower ends of the handle 202c and the wrench 204b pass through the strip hole 9 and are located outside the housing 201. The first clamping portion 202d is a first right-angled triangle block, and the second clamping portion 204c is a second right-angled triangle block. The inclined surfaces of the first right-angled triangle block and the inclined surfaces of the second right-angled triangle block are parallel to each other and arranged oppositely. Pulling the handle 202c can make the vertical surface of the first right-angled triangle block contact the vertical surface of the second right-angled triangle block.

[0032] When firing the bullet 4, the handle 202c of the firing member 202 is first pulled to move the first slider 202a and the first right-angled triangle block toward the trigger 204. After the inclined surface of the first right-angled triangle block meets the inclined surface of the second right-angled triangle block, as the trigger 204 continues to move backward, the elastic sheet 204a of the trigger 204 bends downward, and the second right-angled triangle block moves downward, so that the first right-angled triangle block passes over the second right-angled triangle block. At this time, the elastic force of the elastic sheet 204a pushes the second right-angled triangle block back to its original position, and the handle 202c is released. The vertical surface of the first right-angled triangle block can contact the vertical surface of the second right-angled triangle block, and the freedom of the first right-angled triangle block in the horizontal direction is limited, and the spring 203 is in a tensioned state; then the wrench 204b is pulled obliquely downward, the second right-angled triangle block moves downward and separates from the first right-angled triangle block, and the first slider 202a moves rapidly toward the direction of the bomb compartment 1 under the tension of the spring 203, so that the firing pin 202b on the first slider 202a collides with the primer of the bullet 4, and the firing is completed. The present application achieves the effect of self-defense by firing a bullet 4 that is deterrent but does not cause fatal injuries, and the operation is simple, and the self-defense weapon has a compact structure and is easy to carry.

[0033] Example 2

[0034] like Figure 1 , Figure 5 As shown, a blade 10 is provided on the ammunition compartment 1, and the blade 10 is hinged to the upper surface of the compartment 101, and the length of the blade 10 is less than the sum of the lengths of the compartment 101 and the firing device 2. A limiting strip 11 is provided above the compartment 101, and when the side of the blade 10 contacts the limiting strip 11, the center line of the blade 10 is parallel to the center line of the housing 201. The blade 10 can be extended and folded by rotating the blade 10, and a limiting strip 11 is provided above the compartment 101, which can limit the position of the blade 10 when folded and extended, ensuring that the blade 10 can accurately reach the position where the side of the blade 10 is parallel to the side of the housing 201 when folded or extended, so that the center line of the blade 10 and the housing 201 are on the same straight line, which is convenient for carrying and self-defense.

[0035] Example 3

[0036] like Figure 6 , Figure 7 As shown, the grip 3 includes two hand-held parts 301 and a connecting piece 302. The two hand-held parts 301 are respectively hinged on both sides of the end of the shell 201 away from the bomb bay 1. The two sides of the connecting piece 302 are respectively fixedly connected to the lower side of the two hand-held parts 301 close to the bomb bay 1. When the lower side of the hand-held part 301 rotates to be parallel to the lower surface of the shell 201, the upper surface of the connecting piece 302 contacts the lower surface of the shell 201. Two limit blocks 12 are respectively provided on both sides of the end of the shell 201 away from the bomb bay 1. An inclined surface is provided below the limit block 12. When the hand-held part 301 rotates downward, the inclined surface can contact the lower side of the hand-held part 301. The handle 3 is composed of two hand-held parts 301 rotatably connected to the shell 201. By rotating the hand-held part 301 to make it parallel to the shell 201, the handle 3 can be folded for easy carrying. The hand-held part 301 is rotated downward to make the lower side of the hand-held part 301 connect with the limit block 12, so that the handle 3 forms an obtuse angle with the shell 201, which is convenient for holding the handle 3 to fire the bullet 4, and the operation is convenient.

[0037] Example 4

[0038] The materials of the bomb bay 1, the shell 201, the firing member 202 and the grip 3 are all polyimide composite materials, which can further reduce weight and improve portability compared to metal materials. Polyimide composite materials have the characteristics of high heat resistance, excellent mechanical properties, dielectric properties, solvent resistance, etc. The most important thing is that polyimide composite materials are light in weight, and replacement can greatly reduce weight while meeting the strength requirements.

[0039] The trigger 204 is made of metal. When the wrench 204b is subjected to force, the metal elastic sheet 204a can bend. When the wrench 204b is released, the metal elastic sheet 204a automatically returns to its original position.

[0040] For matters not mentioned above, the prior art applies.

[0041] Although some specific embodiments of the utility model have been described in detail through examples, those skilled in the art should understand that the above examples are only for illustration, not for limiting the scope of the utility model. Those skilled in the art of the utility model can make various modifications or supplements to the specific embodiments described or replace them in a similar manner, but they will not deviate from the direction of the utility model or exceed the scope defined by the attached claims. Those skilled in the art should understand that any modification, equivalent replacement, improvement, etc. made to the above implementation methods based on the technical essence of the utility model should be included in the protection scope of the utility model.

Claims

1. A portable self-defense weapon made of polyimide composite material, characterized by: The invention comprises a cartridge compartment (1), a firing device (2), a grip (3) and a bullet (4), wherein the cartridge compartment (1) comprises a compartment body (101) and a chamber (102) penetrating the compartment body (101), wherein the bullet (4) is loaded in the chamber (102), wherein the firing device (2) is detachably connected to an end of the compartment body (101) close to the primer of the bullet (4), wherein the firing device (2) comprises a shell (201), a firing member (202), a spring (203) and a trigger (204), wherein the firing member (202) comprises a first sliding block (202a) slidably connected to the shell (201) along the axial direction of the bullet (4), wherein a sliding groove (6) for slidingly connecting the first sliding block (202a) is provided in the shell (201), wherein a firing pin (202b) is provided on a side of the first sliding block (202a) close to the cartridge compartment (1), wherein a through hole (7) is provided on the shell (201), wherein the firing pin (202a) is provided with a spring (203) and a trigger (204) 02b) passes through the through hole (7) to contact the primer of the bullet (4); one end of the spring (203) is fixedly connected in the housing (201), and the other end is fixedly connected to the first slider (202a); the elastic force of the spring (203) drives the first slider (202a) to move in the direction of the bullet (4); a handle (202c) and a first clamping portion (202d) are sequentially provided below the first slider (202a) in a direction away from the magazine (1); The trigger (204) comprises an elastic sheet (204a) and a wrench (204b); one end of the elastic sheet (204a) away from the firing pin (202b) is fixedly connected in the housing (201); a second clamping portion (204c) is provided above the other end of the elastic sheet (204a) and a wrench (204b) is provided below the other end; and the first clamping portion (202d) and the second clamping portion (204c) can be clamped together by pulling the handle (202c).

2. The portable self-defense weapon made of polyimide composite material according to claim 1, characterized in that: The first clamping portion (202d) is a first right-angled triangle block, the second clamping portion (204c) is a second right-angled triangle block, the inclined surface of the first right-angled triangle block and the inclined surface of the second right-angled triangle block are parallel to each other and arranged oppositely, and pulling the handle (202c) can make the vertical surface of the first right-angled triangle block contact the vertical surface of the second right-angled triangle block.

3. The portable self-defense weapon made of polyimide composite material according to claim 1, characterized in that: A strip-shaped hole (9) is provided below the shell (201), and the lower ends of the handle (202c) and the wrench (204b) pass through the strip-shaped hole (9) and are located outside the shell (201).

4. The portable self-defense weapon made of polyimide composite material according to claim 1, characterized in that: The ammunition compartment (1) is provided with a blade (10), and the blade (10) is hingedly connected to the upper surface of the compartment body (101).

5. The portable self-defense weapon made of polyimide composite material according to claim 4, characterized in that: The length of the blade (10) is less than the sum of the lengths of the cabin (101) and the firing device (2).

6. The portable self-defense weapon made of polyimide composite material according to claim 4, characterized in that: A limiting strip (11) is provided above the cabin (101), and when the side edge of the blade (10) contacts the limiting strip (11), the center line of the blade (10) is parallel to the center line of the shell (201).

7. The portable self-defense weapon made of polyimide composite material according to claim 1, characterized in that: The grip (3) comprises two hand-holding parts (301) and a connecting piece (302), wherein the two hand-holding parts (301) are respectively hinged on two sides of an end of the shell (201) away from the bomb bay (1), and the two sides of the connecting piece (302) are respectively fixedly connected to the lower part of the two hand-holding parts (301) close to the bomb bay (1), and when the lower side of the hand-holding part (301) is rotated to be parallel to the lower surface of the shell (201), the upper surface of the connecting piece (302) contacts the lower surface of the shell (201).

8. The portable self-defense weapon made of polyimide composite material according to claim 7, characterized in that: Two limit blocks (12) are respectively provided on both sides of the shell (201) at one end away from the bomb bay (1), and an inclined surface is provided below the limit blocks (12). When the hand-held portion (301) is rotated downward, the inclined surface can contact the lower side of the hand-held portion (301).

9. The portable self-defense weapon made of polyimide composite material according to claim 4, characterized in that: The materials of the ammunition compartment (1), the shell (201), the firing member (202), the blade (10) and the handle (3) are all polyimide composite materials.

10. The portable self-defense weapon made of polyimide composite material according to claim 1, characterized in that: The trigger (204) is made of metal.