Police carbon fiber composite acoustic generator housing

Abstract

The invention relates to an outer shell of a police carbon fiber composite material sound wave generator. The existing outer shell of the sound wave generator is generally formed by riveting aluminum alloy plates and profiles, and has the disadvantages of many parts, large weight, high production cost and the like. Aiming at these disadvantages, the invention provides an outer shell of a police carbon fiber composite material sound wave generator. The outer shell adopts a carbon fiber composite material network cross-ply and glues to form an integral hollow cavity frame with the same ply thickness. The outer shell mainly comprises an upper fixed edge, an outer cavity plate, a bottom plate, an outer reinforcing rib cavity, an anti-vibration cavity, a bottom plate convex cavity, a bottom plate central cavity, a hexagonal notch, a quadrangular notch and the like. The outer shell is formed by one-time gluing and curing of a mold. The invention is not easy to deform, is corrosion-resistant, oxidation-resistant, light-weight, vibration-resistant, impact-resistant, fatigue-resistant, has few parts, and is simple and convenient to assemble. The outer shell is about 25% lighter than the aluminum alloy structure with the same function.

Description

Technical Field

[0001] The invention relates to an outer shell of a sound wave generator, in particular to an outer shell of a sound wave generator made of carbon fiber composite material for police use. Background Art

[0002] The police sound wave generator is a new weapon for armed police to fight single-soldier and deal with emergencies and riots. It has the requirements of single-soldier carrying loads on foot and light weight. The outer shell of the sound wave generator is an important outer shell of the sound wave generator. The original design is made of aluminum alloy sheets and profiles riveted together. The main disadvantages are: many parts, heavy weight, high production cost, easy deformation of parts, poor corrosion resistance, poor oxidation resistance, poor vibration resistance, poor impact resistance, poor fatigue resistance, complex assembly process, poor coordination, short service life, and large invalid load. As a weapon with the requirement of single-soldier carrying loads on foot, the design must consider weight reduction under the conditions of meeting the functional requirements of the product. The outer shell of the sound wave generator is formed and manufactured by the overall co-curing technology of carbon fiber composite materials. It is sealed and connected with the inner shell through bolts and sealing strips, and assembled into a hollow structure with built-in electrical equipment space, which fully realizes the strength, rigidity, fatigue resistance, impact resistance, corrosion resistance, shock absorption, and weight reduction of the police sound wave generator. Summary of the invention

[0003] The technical problem to be solved by the present invention is that in the manufacturing process of the metal structure police sound wave generator shell, there are many parts, heavy weight, poor anti-vibration performance, poor impact resistance, poor anti-fatigue performance, complex assembly process, poor coordination and other shortcomings. The sound wave generator shell manufactured by the overall co-curing technology of carbon fiber composite materials meets its strength and anti-fatigue requirements through the fiber ply direction and interlayer symmetry design of carbon fiber composite material prepreg according to the force requirements of the product structure, meets its stiffness and corrosion resistance requirements through the selection of carbon fiber fiber and resin grades, and realizes the integrity, coordination, accuracy and maximum weight reduction of the overall structure through the overall co-curing technology, overcomes all the shortcomings of metal structure and decentralized manufacturing technology, and makes its weight reduction effect reach the extreme. The present invention provides an outer shell of a composite material sound wave generator for police use, which adopts a carbon fiber composite material ply and an overall co-cured structure, and is composed of an upper fixed edge, a peripheral cavity plate, a bottom plate, a peripheral chamfered edge, an external reinforcing rib cavity, an anti-vibration cavity, a bottom plate convex cavity, a bottom plate central cavity, a transition convex fillet, a transition concave fillet, a hexagonal notch, a quadrangular notch, a mounting hole, etc., and is formed by one-time gluing and curing of a mold, which not only ensures product quality, but also improves service life, is easy to install, has good overall force, reduces vibration, and reduces fatigue strength.

[0004] The purpose of the present invention is to provide a composite material sound wave generator shell for police use, that is, a composite material sound wave generator shell for police use is manufactured by using a carbon fiber composite material through a mold using a layup design and an overall co-curing technology to form a composite material sound wave generator shell for police use with high strength, high rigidity, light weight, vibration resistance, fatigue resistance and corrosion resistance. Compared with an aluminum alloy structure, the overall weight is reduced by about 25%, thereby providing a shell suitable for a sound wave generator for police use.

[0005] The technical solution adopted by the present invention to solve its technical problem is:

[0006] A carbon fiber composite material sound wave generator shell for police use, comprising an upper fixed edge (1), an outer cavity plate (2), a bottom plate (3), an outer chamfered edge (4), an outer reinforcing rib cavity (5), an anti-vibration cavity (6), a bottom plate convex cavity I (7), a bottom plate convex cavity II (8), a bottom plate central cavity (9), a transition convex fillet (10), a transition concave fillet (11), a hexagonal notch (12), a quadrangular notch (13), and a mounting hole (14). The shell is characterized in that the shell mainly comprises an upper fixed edge (1), an outer cavity plate (2), a bottom plate (3), an outer chamfered edge (4), an outer reinforcing rib cavity (5), an anti-vibration cavity (6), a bottom plate convex cavity I (7), a bottom plate convex cavity II (8), a bottom plate central cavity (9), a transition convex fillet (10), a transition concave fillet (11), a hexagonal notch (12), a quadrangular notch (13), and a mounting hole (14). The hollow basin-shaped frame structure is composed of the upper fixed edge (1), the outer cavity plate (2), the bottom plate (3), the outer chamfered edge (4), the outer reinforcing rib cavity (5), the anti-vibration plate (6), the bottom plate convex cavity I (7), the bottom plate convex cavity II (8), the bottom plate central cavity (9), the transition convex corner (10), the transition concave corner (11), the hexagonal notch (12), and the quadrangular notch (13). All of them are cross-ply bonded by carbon fiber composite material network to form an integral hollow cavity frame with the same ply thickness. The ply angles and ply thicknesses of each layer of composite material are evenly and symmetrically distributed along the thickness direction and are cured once to form an integral structure. The hollow cavity has two vibration-proof cavities (6), which are arranged on the front and rear sides of the side enclosure, and are arranged on the same side as the two bottom plate convex cavities I (7); the bottom plate central cavity (9) is composed of a hexagonal bottom plate (9-1), a hexagonal inner edge (9-2), a hexagonal outer edge (9-3), a hexagonal notch (12), and a mounting hole (14); the hexagonal bottom plate (9-1), the hexagonal inner edge (9-2), the hexagonal outer edge (9-3), the hexagonal notch (12) and the bottom plate (3) are formed by a composite material to form an integral hexagonal hollow cavity frame, and a mounting hole (10) is drilled; the peripheral cavity plate (2), the bottom plate (3), the peripheral chamfered edge (4), the two bottom plate convex cavities I (7), and the bottom plate convex cavity II (8) are formed by a composite material. The composite material ply angle and ply thickness are evenly and symmetrically distributed along the thickness direction and solidified once to form an integral structure. Two bottom plate convex cavities I (7) are arranged on the front and rear sides of the bottom plate (3) respectively, and the bottom plate convex cavity II (8) is placed on the left side of the bottom plate (3). The bottom plate convex cavity I (7) is composed of a bottom plate convex cavity I vertical plate (7-1), two bottom plate convex cavity I side plates (7-2), a bottom plate convex cavity I upper plate (7-3), a transition convex fillet (10), and a transition concave fillet (11); the bottom plate convex cavity (8) is composed of a bottom plate convex cavity II vertical plate (8-1), two bottom plate convex cavity II side plates (8-2), a bottom plate convex cavity II upper plate (8-3), a transition convex fillet (10), a transition concave fillet (11), a mounting hole (8-4), and a mounting hole (14);The outer cavity plate (2), the outer chamfered edge (4), the outer reinforcing rib cavity (5), the vibration-proof cavity (6), the transition convex fillet (10), and the transition concave fillet (11) form a hollow cavity. A symmetrical structural frame is adopted. The hollow cavity has a total of 8 outer reinforcing rib cavities (5), a total of 4 side enclosures, and each side enclosure has 2 outer reinforcing rib cavities (5). The outer reinforcing rib cavity (5) is composed of an outer reinforcing rib cavity lower bottom plate (5-1), an outer reinforcing rib cavity small bottom plate (5-2), and an outer reinforcing rib cavity upper plate (5-3). , the lower plate (5-4) on the side of the outer reinforcing rib cavity, the upper plate (5-5) on the side of the outer reinforcing rib cavity, the outer plate (5-6) on the outer reinforcing rib cavity, the oblique side plate (5-7) on the outer reinforcing rib cavity, the hole plate (5-8) on the outer reinforcing rib cavity, the transition convex fillet (10), and the transition concave fillet (11); the vibration-proof cavity (6) is composed of the outer plate (6-1) on the vibration-proof cavity, the side plate (6-2) on the vibration-proof cavity, the lower plate (6-3) on the vibration-proof cavity, the hole (6-4) on the vibration-proof cavity, the transition convex fillet (10), and the transition concave fillet (11). ; BRIEF DESCRIPTION OF THE DRAWINGS

[0007] Figure 1 It is a front three-dimensional structural schematic diagram of the present invention.

[0008] Figure 2 It is a schematic diagram of the back three-dimensional structure of the present invention.

[0009] Figure 3 It is a schematic diagram of the structural composition of the front view of the present invention.

[0010] Figure 4 It is a schematic diagram of the structural composition of the top view of the present invention.

[0011] Figure 5 It is a schematic diagram of the structural composition of the left view of the present invention.

[0012] Figure 6 It is a schematic diagram of the structural composition of the bottom view of the present invention.

[0013] 1-upper fixed edge, 2-peripheral cavity plate, 3-bottom plate, 4-peripheral chamfered edge, 5-external reinforcing rib cavity, 6-anti-vibration cavity, 7-bottom plate convex cavity I, 8-bottom plate convex cavity II, 9-bottom plate center cavity, 10-transition convex fillet, 11-transition concave fillet, 12-hexagonal notch, 13-quadrant notch, 14-mounting hole. DETAILED DESCRIPTION

[0014] The technical solution can also be implemented by the following technical measures and the present invention is further described below in conjunction with the accompanying drawings:

[0015] Figure 1 It is a schematic diagram of the front three-dimensional structure of the present invention, Figure 2 is a schematic diagram of the back three-dimensional structure of the present invention, Figure 3It is a schematic diagram of the structural composition of the front view of the present invention, Figure 4 It is a schematic diagram of the structure composition of the top view of the present invention, Figure 5 It is a schematic diagram of the structure composition of the left view of the present invention, Figure 6The present invention is a schematic diagram of the structure of the bottom view of the present invention, a carbon fiber composite sound wave generator shell for police use, which is composed of an upper fixed edge (1), a peripheral cavity plate (2), a bottom plate (3), a peripheral chamfered edge (4), an external reinforcing rib cavity (5), an anti-vibration cavity (6), a bottom plate convex cavity I (7), a bottom plate convex cavity II (8), a bottom plate central cavity (9), a transition convex fillet (10), a transition concave fillet (11), a hexagonal notch (12), a quadrangular notch (13), and a mounting hole (14). The present invention is characterized in that the shell mainly comprises an upper fixed edge (1), a peripheral cavity plate (2), a bottom plate (3), a peripheral chamfered edge (4), an external reinforcing rib plate (5), an anti-vibration cavity (6), a bottom plate convex cavity I (7), a bottom plate convex cavity II (8), a bottom plate central cavity (9), a transition convex fillet (10), a transition concave fillet (11), a hexagonal notch (12), a quadrangular notch (13), and a mounting hole (14). The core cavity (9), transition convex fillet (10), transition concave fillet (11), hexagonal notch (12), and quadrangular notch (13) form a hollow basin-shaped frame structure. The upper fixed edge (1), the peripheral cavity plate (2), the bottom plate (3), the peripheral chamfered edge (4), the outer reinforcing rib cavity (5), the vibration-proof plate (6), the bottom plate convex cavity I (7), the bottom plate convex cavity II (8), the bottom plate central cavity (9), the transition convex fillet (10), the transition concave fillet (11), the hexagonal notch (12), and the quadrangular notch (13) are all cross-laminated and glued together with carbon fiber composite material networks to form an integral hollow cavity frame with the same ply thickness. The ply angles and ply thicknesses of each layer of composite material are evenly and symmetrically distributed along the thickness direction. The solidification molding is an integral structure. The hollow cavity has two vibration-proof cavities (6), which are arranged on the front and rear sides of the side enclosure, and are arranged on the same side as the two bottom plate convex cavities I (7). The bottom plate central cavity (9) is composed of a hexagonal bottom plate (9-1), a hexagonal inner edge (9-2), a hexagonal outer edge (9-3), a hexagonal notch (12), and a mounting hole (14). The hexagonal bottom plate (9-1), the hexagonal inner edge (9-2), the hexagonal outer edge (9-3), the hexagonal notch (12) and the bottom plate (3) are formed by a solidification molding integral hexagonal hollow cavity frame made of composite material, and a mounting hole (10) is drilled. The peripheral cavity plate (2), the bottom plate (3), the peripheral chamfered edge (4), the two bottom plate convex cavities I (7), the bottom plate convex cavity II ( 8) The composite material ply angle and ply thickness are evenly and symmetrically distributed along the thickness direction and solidified once to form an integral structure. Two bottom plate convex cavities I (7) are arranged on the front and rear sides of the bottom plate (3) respectively, and the bottom plate convex cavity II (8) is placed on the left side of the bottom plate (3). The bottom plate convex cavity I (7) is composed of a bottom plate convex cavity I vertical plate (7-1), two bottom plate convex cavity I side plates (7-2), a bottom plate convex cavity I upper plate (7-3), a transition convex fillet (10), and a transition concave fillet (11); the bottom plate convex cavity (8) is composed of a bottom plate convex cavity II vertical plate (8-1), two bottom plate convex cavity II side plates (8-2), a bottom plate convex cavity II upper plate (8-3), a transition convex fillet (10), a transition concave fillet (11), a mounting hole (8-4), and a mounting hole (14);The outer cavity plate (2), the outer chamfered edge (4), the outer reinforcing rib cavity (5), the anti-vibration cavity (6), the transition convex fillet (10), and the transition concave fillet (11) form a hollow cavity, and a symmetrical structural frame is adopted. The hollow cavity has a total of 8 outer reinforcing rib cavities (5), a total of 4 side enclosures, and each side enclosure has 2 outer reinforcing rib cavities (5). The outer reinforcing rib cavity (5) is composed of an outer reinforcing rib cavity lower bottom plate (5-1), an outer reinforcing rib cavity small bottom plate (5-2), an outer reinforcing rib cavity upper plate (5-3), an outer reinforcing rib cavity side lower plate (5-4), and an outer reinforcing rib cavity The side upper plate (5-5), the outer plate of the outer reinforcing rib cavity (5-6), the oblique side plate of the outer reinforcing rib cavity (5-7), the hole plate of the outer reinforcing rib cavity (5-8), the transition convex fillet (10), and the transition concave fillet (11) are composed, and the length×width×height dimensions are 595×595×210 mm. The vibration-proof cavity (6) is composed of the outer plate of the vibration-proof cavity (6-1), the side plate of the vibration-proof cavity (6-2), the lower plate of the vibration-proof cavity (6-3), the vibration-proof cavity hole (6-4), the transition convex fillet (10), and the transition concave fillet (11). The whole part is completed by milling flash and drilling. ;

Claims

1. A carbon fiber composite sound wave generator shell for police use, comprising an upper fixed edge (1), a peripheral cavity plate (2), a bottom plate (3), a peripheral chamfered edge (4), an outer reinforcing rib cavity (5), an anti-vibration cavity (6), a bottom plate convex cavity I (7), a bottom plate convex cavity II (8), a bottom plate central cavity (9), a transition convex fillet (10), a transition concave fillet (11), a hexagonal notch (12), a quadrangular notch (13), and a mounting hole I (14), characterized in that: The invention comprises an upper fixed edge (1), an outer cavity plate (2), a bottom plate (3), an outer chamfered edge (4), an outer rib cavity (5), an anti-vibration cavity (6), a bottom plate convex cavity I (7), a bottom plate convex cavity II (8), a bottom plate central cavity (9), a transition convex fillet (10), a transition concave fillet (11), a hexagonal notch (12), and a quadrangular notch (13) to form a hollow basin-shaped frame structure. The upper fixed edge (1), the outer cavity plate (2), the bottom plate (3), the outer chamfered edge (4), the outer rib cavity (5), the anti-vibration cavity (6), the bottom plate convex cavity I (7), the bottom plate convex cavity II (8), the bottom plate central cavity (9), the transition convex fillet (10), the transition concave fillet (11), the hexagonal notch (12), and the quadrangular notch (13) are all cross-laid and glued together by carbon fiber composite material networks to form an integral hollow cavity frame with the same ply thickness. The ply angle and ply thickness of each layer of composite material are the same along the thickness direction. The hollow cavity has two anti-vibration cavities (6) which are arranged on the front and rear sides of the side enclosures and on the same side as the two bottom plate convex cavities I (7); the outer cavity plate (2), the bottom plate (3), the outer chamfered edge (4), the two bottom plate convex cavities I (7), and the bottom plate convex cavity II (8) are evenly and symmetrically distributed along the thickness direction of the composite material and are cured and formed into an integral structure. The two bottom plate convex cavities I (7) are arranged on the front and rear sides of the bottom plate (3), and the bottom plate convex cavity II (8) is placed on the left side of the bottom plate (3); the outer cavity plate (2), the outer chamfered edge (4), the outer rib cavity (5), the anti-vibration cavity (6), the transition convex fillet (10), and the transition concave fillet (11) form a hollow cavity, which adopts a symmetrical structural frame. The hollow cavity has eight outer rib cavities (5) and four side enclosures, each of which has two outer rib cavities (5).

2. The outer shell of the carbon fiber composite sound wave generator for police use according to claim 1 is characterized in that: The bottom plate central cavity (9) is composed of a hexagonal bottom plate (9-1), a hexagonal inner edge (9-2), a hexagonal outer edge (9-3), a hexagonal notch (12), and a mounting hole (14). The hexagonal bottom plate (9-1), the hexagonal inner edge (9-2), the hexagonal outer edge (9-3), the hexagonal notch (12), and the bottom plate (3) are formed into an integral hexagonal hollow cavity frame by curing a composite material, and a mounting hole (14) is drilled therein.

3. The outer shell of the carbon fiber composite material sound wave generator for police use according to claim 1 is characterized in that: The bottom plate convex cavity I (7) is composed of a bottom plate convex cavity I vertical plate (7-1), two bottom plate convex cavity I side plates (7-2), a bottom plate convex cavity I upper plate (7-3), a transition convex fillet (10), and a transition concave fillet (11).

4. The outer shell of the carbon fiber composite material sound wave generator for police use according to claim 1 is characterized in that: The bottom plate convex cavity II (8) is composed of a bottom plate convex cavity II vertical plate (8-1), two bottom plate convex cavity II side plates (8-2), a bottom plate convex cavity II upper plate (8-3), a transition convex fillet (10), a transition concave fillet (11), a second mounting hole (8-4), and a first mounting hole (14).

5. The outer shell of the carbon fiber composite material sound wave generator for police use according to claim 1 is characterized in that: The outer reinforcing rib cavity (5) is composed of an outer reinforcing rib cavity lower bottom plate (5-1), an outer reinforcing rib cavity small bottom plate (5-2), an outer reinforcing rib cavity upper plate (5-3), an outer reinforcing rib cavity side lower plate (5-4), an outer reinforcing rib cavity side upper plate (5-5), an outer reinforcing rib cavity outer plate (5-6), an outer reinforcing rib cavity oblique side plate (5-7), an outer reinforcing rib cavity hole plate (5-8), a transition convex fillet (10), and a transition concave fillet (11).

6. The outer shell of the carbon fiber composite material sound wave generator for police use according to claim 1 is characterized in that: The vibration-proof cavity (6) is composed of a vibration-proof cavity outer plate (6-1), a vibration-proof cavity side plate (6-2), a vibration-proof cavity lower plate (6-3), a vibration-proof cavity hole (6-4), a transition convex fillet (10), and a transition concave fillet (11).

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