Composite material double-cavity air reservoir

Abstract

The utility model discloses a composite material double-cavity air cylinder which comprises an air storage inner container made of polymer plastic materials, a glass fiber layer is wound on the outer surface of the air storage inner container, the air storage inner container is formed by splicing an end shell A, a middle shell and an end shell B which are sequentially arranged in a hot melting mode, and a partition plate is arranged in the middle shell. A plurality of air inlet and outlet quick-plug connectors integrally formed with the end shell A and the end shell B in an injection molding mode are arranged in the opposite outer ends of the end shell A and the end shell B, two liquid drainage connectors integrally formed with the middle shell in an injection molding mode are arranged at the bottom of the middle shell, and the two liquid drainage connectors are distributed on the two sides of the partition plate. According to the composite material double-cavity air cylinder, the pressure resistance can be improved, the connecting strength of all the connectors can be ensured, the connectors are prevented from loosening or rotating in the using process, and the air cylinder has good air tightness.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of composite double-cavity air cylinders, belong to air cylinder technical field of automobile braking system. BACKGROUND

[0002] With the increasingly high requirement of national emission standard, automobile manufacturers also put forward new requirements to vehicle quality;Vehicle lightweight cannot be separated from the lightweight of each system and component.The traditional metal air cylinder cannot meet the requirements of vehicle lightweight due to the reasons of weight and complex manufacturing process, poor product cleanliness, and the composite air cylinder with lightweight advantage emerges as the times require.

[0003] The existing composite double-cavity air cylinder is considered to still have the following technical problems through practice:

[0004] The inlet and outlet joint and the liquid discharge joint on the air cylinder are usually installed after the cylinder is formed, that is, the joint is installed by welding, threaded connection, hot melt pressure connection and other methods after the cylinder is formed, which is difficult to resist external torque or rotating force and durability, and the joint is easy to loosen or rotate, which affects the air tightness of the air cylinder.In addition, the air cylinder is limited by its own structure and internal partition structure, which leads to a great space for improving its pressure resistance.

[0005] As can be seen from the above, the prior art has obvious inconvenience and defects in actual use, so it is necessary to improve. CONTENT OF THE UTILITY MODEL

[0006] The utility model provides a kind of composite double-cavity air cylinder to the deficiency in the background art, can improve pressure resistance, and can ensure the connection strength of each joint, prevent it from loosening or rotating in use, so that the air cylinder has good air tightness.

[0007] To solve the above technical problems, the utility model adopts the following technical solutions:

[0008] The composite double-cavity air cylinder includes a gas storage liner made of high molecular plastic material, and a glass fiber layer is wound on the outer surface of the gas storage liner.The glass fiber layer is made of thermosetting fiber, and the gas storage liner is formed by hot melting and splicing of an end shell A, a middle shell and an end shell B arranged in sequence, and a partition is arranged in the middle shell;

[0009] A plurality of inlet and outlet quick plug joints are integrally injection molded on the opposite outer ends of the end shell A and the end shell B.

[0010] The bottom of the middle shell is provided with two liquid discharge joints integrally injection molded thereon, and the two liquid discharge joints are distributed on both sides of the partition.

[0011] Further, the air inlet and outlet joint is a six-rib structure, a threaded hole is arranged in the six-rib structure, and at least one filling groove A for accommodating plastic is arranged on each rib of the six-rib structure.

[0012] Further, the air inlet and outlet joint is a six-rib structure, a threaded hole is arranged in the six-rib structure, and at least one filling groove A for accommodating plastic is arranged on each rib of the six-rib structure.

[0013] Further, the air inlet and outlet joint is a six-rib structure, a threaded hole is arranged in the six-rib structure, and at least one filling groove A for accommodating plastic is arranged on each rib of the six-rib structure.

[0014] Further, the air inlet and outlet joint is a six-rib structure, a threaded hole is arranged in the six-rib structure, and at least one filling groove A for accommodating plastic is arranged on each rib of the six-rib structure.

[0015] Further, the air inlet and outlet joint is a six-rib structure, a threaded hole is arranged in the six-rib structure, and at least one filling groove A for accommodating plastic is arranged on each rib of the six-rib structure.

[0016] Further, the air inlet and outlet joint is a six-rib structure, a threaded hole is arranged in the six-rib structure, and at least one filling groove A for accommodating plastic is arranged on each rib of the six-rib structure.

[0017] Further, the air inlet and outlet joint is a six-rib structure, a threaded hole is arranged in the six-rib structure, and at least one filling groove A for accommodating plastic is arranged on each rib of the six-rib structure.

[0018] Further, the air inlet and outlet joint is a six-rib structure, a threaded hole is arranged in the six-rib structure, and at least one filling groove A for accommodating plastic is arranged on each rib of the six-rib structure.

[0019] Further, the air inlet and outlet joint is a six-rib structure, a threaded hole is arranged in the six-rib structure, and at least one filling groove A for accommodating plastic is arranged on each rib of the six-rib structure.

[0020] The double-cavity gas cylinder adopts high-molecular plastic and glass fiber layer composite molding, and the rib plates and the annular reinforcing ribs arranged in the end housings and the partition plate can significantly improve the pressure resistance of the gas storage liner.

[0021] The joints and the gas storage liner are integrally injection molded, so that the joints and the gas storage liner are firmly combined; the joints all adopt the six-rib structure, the six-rib structure and the solidified molten plastic form mechanical interlocking, can effectively resist external torque or rotating force, the filling grooves arranged on the ribs improve the bonding force between the joints and the molten plastic, improve the connection strength, prevent loosening or rotation in use, and make the gas cylinder have good air tightness.

[0022] The air inlet and outlet quick plug connector on the two sides of the end shell A and the end shell B is integrated to the two sides from the dispersion arrangement in the prior art, convenient installation is facilitated, and the outer surface fiber is beneficial to winding forming and increasing pressure strength.

[0023] The utility model will be described in detail below with reference to the drawings and examples. DRAWINGS

[0024] Figure 1 It is the structure perspective drawing of the utility model;

[0025] Figure 2 It is the structure perspective drawing of the utility model along another direction;

[0026] Figure 3 It is the structure sectional view of the utility model;

[0027] Figure 4 It is the internal structure schematic diagram of the middle shell;

[0028] Figure 5 It is the internal structure schematic diagram of the end shell B;

[0029] Figure 6 It is the structure perspective drawing of the air inlet and outlet connector;

[0030] Figure 7 It is the structure perspective drawing of the air inlet and outlet connector along another direction;

[0031] Figure 8 It is the structure perspective drawing of the liquid discharge connector.

[0032] In the drawing, 1-middle shell, 2-end shell A, 3-end shell B, 4-baffle, 5-first closed cavity, 6-second closed cavity, 7-annular reinforcing rib A, 8-rib plate A, 9-annular reinforcing rib B, 10-rib plate B, 11-air inlet and outlet quick plug connector, 12-filling groove A, 13-liquid discharge connector, 14-filling groove B. DETAILED DESCRIPTION

[0033] In order to have more clear understanding on the technical features, purposes and effects of the utility model, the specific implementation mode of the utility model will be explained with reference to the drawings.

[0034] As Figures 1-8 The utility model provides a kind of composite material double-cavity gas cylinder, including gas storage liner, gas storage liner adopts high polymer plastic material, glass fiber layer adopts thermosetting fiber, and glass fiber layer is wound on the outer surface of gas storage liner.

[0035] The gas storage inner container is formed by hot melting splicing of the end shell A2, the middle shell 1 and the end shell B3 arranged in sequence, the middle shell 1 is internally provided with a partition plate 4, the first closed cavity 5 is formed between the partition plate 4 and the end shell A2, and the second closed cavity 6 is formed between the partition plate 4 and the end shell B3.

[0036] The partition plate 4 and the middle shell 1 are integrally injection molded or formed by split welding.

[0037] The partition plate 4 is composed of a middle spherical cap part and a peripheral ring plate part, and the opening of the spherical cap part is arranged towards the inner cavity of the end shell A2.

[0038] The partition plate 4 is provided with a plurality of circumferentially distributed rib plates A8 on the side close to the end shell A2, the inner end of the rib plate A8 is connected with the annular reinforcing rib A7, and the outer end of the rib plate A8 is connected with the inner wall of the middle shell 1.

[0039] The partition plate 4, the rib plate A8 and the annular reinforcing rib A7 are integrally injection molded, and the rib plate A8 and the annular reinforcing rib A7 are arranged to improve the pressure resistance of the partition plate 4.

[0040] The inner walls of the end shell A2 and the end shell B3 are each provided with a plurality of circumferentially distributed rib plates B10 and a plurality of annular reinforcing ribs B9 with diameters gradually increasing, and the rib plates B10 and the annular reinforcing ribs B9 are arranged to improve the pressure resistance of the end shell.

[0041] The opposite outer ends of the end shell A2 and the end shell B3 are each provided with a plurality of gas inlet and outlet quick plug connectors 11 integrally injection molded therewith.

[0042] The gas inlet and outlet quick plug connectors on the opposite outer ends of the end shell A2 and the end shell B3 can be freely arranged and distributed according to design requirements.

[0043] As a preferred arrangement, the number of the gas inlet and outlet quick plug connectors 11 in the end shell A2 is four, and the four gas inlet and outlet quick plug connectors 11 are arranged in a square shape; the number of the gas inlet and outlet quick plug connectors 11 in the end shell B3 is three, and the three gas inlet and outlet quick plug connectors 11 are arranged in an equilateral triangle shape.

[0044] The gas inlet and outlet quick plug connector 11 is a six-rib structure, the six-rib structure is internally provided with a threaded hole for connecting a gas inlet and outlet quick plug pipeline, and at least one plastic-containing filling groove A12 is arranged on each rib of the six-rib structure.

[0045] The bottom of the middle shell 1 is provided with two liquid discharge connectors 13 integrally injection molded therewith, and the two liquid discharge connectors 13 are arranged on both sides of the partition plate 4.

[0046] The liquid outlet joint 13 is a six-rib structure, the inside of the six-rib structure is provided with a threaded hole for mounting a drain valve, and the six-rib structure is provided with a plastic-containing annular filling groove B14.

[0047] The air inlet and outlet quick plug joint 11 and the liquid outlet joint 13 are made of metal, such as steel, aluminum, copper, etc.

[0048] The specific working principle of the utility model is as follows:

[0049] The double-cavity air cylinder in the utility model is composed of a gas storage inner container made of high-molecular plastic material and an outer glass fiber layer, and a rib plate and an annular reinforcing rib are arranged in the end shell and the partition plate, which can significantly improve the pressure resistance of the gas storage inner container and make it not less than 6Mpa.

[0050] The air inlet and outlet quick plug joint and the liquid outlet joint in the utility model are arranged in advance in a forming mold of molten plastic in the inner container, the molten plastic wraps the air inlet and outlet quick plug joint and the liquid outlet joint during the forming process, realizes integrated injection molding, and ensures firm combination of the air inlet and outlet quick plug joint and the liquid outlet joint with the gas storage inner container.

[0051] The air inlet and outlet quick plug joint and the liquid outlet joint are both six-rib structures, the six-rib structures are mechanically interlocked after the molten plastic in the inner container solidifies, can effectively resist external torque or rotating force, the filling groove arranged on the ribs improves the bonding force of the air inlet and outlet quick plug joint and the liquid outlet joint with the molten plastic, improves the connection strength, prevents loosening or rotation during use, and improves the durability.

[0052] The above is an example of the best implementation mode of the utility model, wherein the parts not described in detail are common knowledge of ordinary technical personnel in the art. The protection scope of the utility model is subject to the content of the claims, and any equivalent transformation based on the technical inspiration of the utility model is also within the protection scope of the utility model.

Claims

1. A composite dual chamber air cylinder characterized by: The gas storage inner container comprises a high-molecular plastic material, and a glass fiber layer is wound on the outer surface of the gas storage inner container; the glass fiber layer is made of thermosetting fiber; the gas storage inner container is formed by hot melting and splicing of an end shell A (2), a middle shell (1), and an end shell B (3) arranged in sequence; and the middle shell (1) is internally provided with a partition plate (4). The opposite outer ends of the end shell A (2) and the end shell B (3) are each provided with a plurality of gas inlet and outlet quick plug connectors (11) integrally injection molded thereon. The bottom of the middle shell (1) is provided with two liquid discharge connectors (13) integrally injection molded thereon, and the two liquid discharge connectors (13) are distributed on the two sides of the partition plate (4).

2. The composite dual chamber air cylinder of claim 1, wherein: The gas inlet and outlet quick plug connector (11) has a six-rib structure, the six-rib structure is internally provided with a threaded hole, and at least one plastic-containing filling groove A (12) is arranged on each rib of the six-rib structure.

3. The composite dual chamber air cylinder of claim 1, wherein: The liquid discharge connector (13) has a six-rib structure, the six-rib structure is internally provided with a threaded hole, and a plastic-containing filling groove B (14) of an annular structure is arranged on the six-rib structure.

4. The composite dual chamber air cylinder of claim 1, wherein: The partition plate (4) and the end shell A (2) form a first sealed cavity (5), and the partition plate (4) and the end shell B (3) form a second sealed cavity (6).

5. The composite dual chamber air cylinder of claim 1, wherein: The partition plate (4) and the middle shell (1) are integrally injection molded or formed by separate welding.

6. The composite dual chamber air cylinder of claim 1, wherein: The partition plate (4) is composed of a spherical cap portion in the middle and a ring plate portion in the periphery, and the opening of the spherical cap portion is arranged towards the inner cavity of the end shell A (2).

7. The composite dual chamber air cylinder of claim 6, wherein: The side of the partition plate (4) close to the end shell A (2) is provided with a plurality of circumferentially distributed rib plates A (8), the inner end of the rib plate A (8) is connected with an annular reinforcing rib A (7), and the outer end of the rib plate A (8) is connected with the inner wall of the middle shell (1).

8. The composite dual chamber air cylinder of claim 1, wherein: The inner walls of the end shell A (2) and the end shell B (3) are each provided with a plurality of circumferentially distributed rib plates B (10) and a plurality of annular reinforcing ribs B (9) with diameters gradually increasing.

9. The composite dual chamber air cylinder of claim 1, wherein: The gas inlet and outlet quick plug connectors (11) at the opposite outer ends of the end shell A (2) and the end shell B (3) are freely arranged and distributed according to design requirements.

10. The composite dual chamber air cylinder of claim 1, wherein: The number of the gas inlet and outlet quick plug connectors (11) in the end shell A (2) is four, and the four gas inlet and outlet quick plug connectors (11) are distributed in a square shape; the number of the gas inlet and outlet quick plug connectors (11) in the end shell B (3) is three, and the three gas inlet and outlet quick plug connectors (11) are distributed in an equilateral triangle shape.

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