Axial cavity division air cylinder with plastic inner container

Abstract

The utility model relates to the technical field of motor vehicle braking, and discloses a plastic inner container axial cavity division air cylinder which comprises an air cylinder body, air inlets and air outlets are formed in the two ends of the air cylinder body, and a water drain valve is arranged on the side wall of the air cylinder body. A glass fiber layer is wound on the outer wall of the air cylinder body; the air cylinder body is of a three-section type structure and comprises a first shell, a middle shell and a second shell, and the overall structure of the air cylinder body is of the three-section type structure. An axial cavity separation plate is arranged in the middle shell and can be used for separating an inner cavity of the air cylinder body; adjustment of different volumes can be achieved by adjusting the height size of the middle shell, and then the volumes of the two cavities in the air cylinder body are adjusted. The liner shell of the air cylinder body is made of plastic, and the glass fiber winding layer is wound on the outer layer of the welded air cylinder body, so that the high pressure resistance of the air cylinder body is met.

Description

Technical Field

[0001] The utility model relates to the technical field of motor vehicle brakes, in particular to an axially divided-cavity air storage cylinder with a plastic inner liner. Background Art

[0002] As national emission standards become increasingly stringent, automobile manufacturers have also put forward new requirements for vehicle quality; the lightweighting of the entire vehicle is inseparable from the lightweighting of various system-level components; for commercial vehicle air brake systems, traditional metal air cylinders can no longer meet the lightweighting requirements of the entire vehicle due to their weight, complex manufacturing process, and poor product cleanliness.

[0003] The existing winding type divided-chamber air storage cylinder has the problem of inconvenient adjustment of the volume of the internal cavity during use. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes an axially divided-cavity air storage cylinder with a plastic inner liner.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A plastic inner liner axially divided chamber air cylinder comprises an air cylinder body, both ends of the air cylinder body are provided with air inlet and outlet, the side wall of the air cylinder body is provided with a drain valve; the outer wall of the air cylinder body is wrapped with a glass fiber layer; the air cylinder body is a three-section structure, the air cylinder body comprises a shell one, an intermediate shell and a shell two, the intermediate shell is located between the shell one and the shell two, and an axial dividing chamber partition is provided inside the intermediate shell.

[0007] As a further solution of the utility model: the outer wall of the gas storage cylinder body is provided with a mounting bracket.

[0008] As a further solution of the utility model: welding surface 1 and welding surface 2 are respectively provided at two ends of the intermediate shell for welding connection between the intermediate shell and the shell 1 and the shell 2.

[0009] As a further solution of the utility model: the chamber partition is a curved surface structure, the inner curved surface of the chamber partition is provided with a reinforcing side wing 1, and the circumference of the outer curved surface of the chamber partition is provided with a reinforcing side wing 2, which is used to reinforce the side of the chamber partition.

[0010] As a further solution of the utility model: the inner walls of the shell one and the shell two are both provided with reinforcing ribs for reinforcing the side wall strength of the shell one and the shell two.

[0011] As a further solution of the utility model: the inner shell of the gas storage cylinder body is made of plastic.

[0012] As a further solution of the utility model: the chamber partition divides the interior of the gas storage cylinder body into chamber one and chamber two.

[0013] The beneficial effects of the utility model are as follows: the overall structure of the gas cylinder body adopts a three-section structure, which is divided into shell one, shell two and an intermediate shell; an axial dividing chamber partition is arranged in the intermediate shell to separate the internal cavity of the gas cylinder body; the adjustment of different volumes can be achieved by adjusting the height of the intermediate shell, thereby adjusting the volumes of the two cavities in the gas cylinder body; the inner shell of the gas cylinder body is made of plastic, and after welding, the outer layer of the gas cylinder body is wrapped with a glass fiber winding layer to meet the high pressure resistance performance of the gas cylinder body. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic structural diagram of a shell 1, a shell 2 and an intermediate shell of a plastic inner liner axially divided chamber air storage cylinder proposed by the utility model;

[0015] Figure 2 This is a schematic diagram of the overall structure of a plastic inner liner axially divided chamber air storage cylinder proposed by the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of an intermediate shell of a plastic inner liner axially divided chamber air storage cylinder proposed by the utility model;

[0017] Figure 4 The utility model discloses a structural cross-sectional view of an axially divided cavity air storage cylinder with a plastic inner liner.

[0018] In the figure: 1-shell one, 2-intermediate shell, 3-shell two, 4-welding surface one, 5-welding surface two, 6-drain valve, 7-mounting bracket, 8-air inlet and outlet, 9-cavity one, 10-cavity two, 11-chamber partition, 12-reinforced side wing one, 13-reinforced ribs, 14-reinforced side wing two, 15-air storage cylinder body. DETAILED DESCRIPTION

[0019] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.

[0020] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0021] Reference Figure 1-4A plastic inner liner axially divided chamber air storage cylinder, comprising an air storage cylinder body 15, both ends of the air storage cylinder body 15 are provided with air inlet and outlet ports 8, and the side wall of the air storage cylinder body 15 is provided with a drain valve 6; the outer wall of the air storage cylinder body 15 is wrapped with a glass fiber layer; the air storage cylinder body 15 is a three-section structure, the air storage cylinder body 15 comprises a shell 1, an intermediate shell 2 and a shell 2 3, the intermediate shell 2 is located between the shell 1 1 and the shell 2 3, and the interior of the intermediate shell 2 is provided with an axial dividing chamber partition 11.

[0022] As a preferred embodiment of the present utility model, a mounting bracket 7 is provided on the outer wall of the gas storage cylinder body 15 .

[0023] As a preferred embodiment of the present utility model, welding surface 1 4 and welding surface 2 5 are respectively provided at two ends of the intermediate shell 2 for welding connection between the intermediate shell 2 and the shell 1 1 and the shell 2 3 .

[0024] As a preferred embodiment of the utility model, the cavity partition 11 is a curved surface structure, the inner curved surface of the cavity partition 11 is provided with a reinforcing side wing 12, and the circumference of the outer curved surface of the cavity partition 11 is provided with a reinforcing side wing 2 14 for reinforcing the side of the cavity partition 11.

[0025] As a preferred embodiment of the present utility model, the chamber partition 11, the intermediate shell 2, the first reinforcing wing 12 and the second reinforcing wing 14 are an integrally formed structure.

[0026] As a preferred embodiment of the utility model, the chamber partition 11 is connected to the intermediate shell 2, the first reinforcing wing 12 and the second reinforcing wing 14 by welding.

[0027] As a preferred embodiment of the present utility model, the inner walls of the shell 1 and the shell 2 3 are both provided with reinforcing ribs 13 for reinforcing the side wall strength of the shell 1 and the shell 2 3 .

[0028] As a preferred embodiment of the present invention, the inner shell of the gas storage cylinder body 15 is made of plastic.

[0029] As a preferred embodiment of the utility model, the cavity partition 11 divides the interior of the gas storage cylinder body 15 into cavity one 9 and cavity two 10.

[0030] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A plastic inner liner axially divided chamber gas storage cylinder, comprising a gas storage cylinder body (15), characterized in that: Both ends of the gas storage cylinder body (15) are provided with gas inlet and outlet ports (8), and the side wall of the gas storage cylinder body (15) is provided with a drain valve (6); The outer wall of the gas storage cylinder body (15) is wound with a glass fiber layer; The gas cylinder body (15) is a three-section structure, comprising a shell body (1), an intermediate shell body (2) and a shell body (3), wherein the intermediate shell body (2) is located between the shell body (1) and the shell body (3), and an axial cavity partition (11) is provided inside the intermediate shell body (2).

2. The plastic liner axially divided chamber gas storage cylinder according to claim 1, characterized in that: The outer wall of the gas storage cylinder body (15) is provided with a mounting bracket (7).

3. The plastic liner axially divided chamber gas storage cylinder according to claim 1, characterized in that: The two ends of the intermediate shell (2) are respectively provided with a welding surface one (4) and a welding surface two (5), which are used for welding the intermediate shell (2) to the shell one (1) and the shell two (3).

4. The plastic liner axially divided chamber gas storage cylinder according to claim 1, characterized in that: The chamber partition (11) is a curved surface structure, the inner curved surface of the chamber partition (11) is provided with a reinforcing side wing 1 (12), and the circumference of the outer curved surface of the chamber partition (11) is provided with a reinforcing side wing 2 (14) for reinforcing the side of the chamber partition (11).

5. The plastic liner axially divided chamber gas storage cylinder according to claim 1, characterized in that: The inner walls of the shell one (1) and the shell two (3) are both provided with reinforcing ribs (13) for reinforcing the side wall strengths of the shell one (1) and the shell two (3).

6. The plastic liner axially divided chamber gas storage cylinder according to claim 1, characterized in that: The inner shell of the gas storage cylinder body (15) is made of plastic.

7. The plastic liner axially divided chamber gas storage cylinder according to claim 1, characterized in that: The chamber dividing plate (11) divides the interior of the gas storage cylinder body (15) into chamber one (9) and chamber two (10).

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