Automobile energy accumulator with good sealing performance

Abstract

The utility model provides an automobile energy accumulator with good sealing performance. The automobile energy accumulator comprises an upper shell, a lower shell, an expansion pipe, an inflation valve, an air bag, a separable sealing spacing pipe structure and a sealable reinforcing lifting valve structure. The upper shell, the lower shell, the expansion pipe, the inflation valve, the air bag, the fixing pipe, the protection pipe, the first separation layer and the second separation layer are arranged in a matched mode, so that the first separation layer and the second separation layer are arranged below the air bag in the using process, and the air bag and the oil storage cavity can be conveniently separated in the using process; the sealing effect in the using process is improved; the lower shell, the lifting valve, the fixing seat and the arc-shaped sealing plate are arranged in a matched mode, so that the lifting valve is fixed to the inner heavy armor position of the bottom end of the lower shell through the fixing seat in the using process, then the bottom end of the arc-shaped sealing plate makes contact with the inner bottom end of the lower shell, and sealing work of the joint of the lifting valve in the using process is facilitated; and leakage after long-time use is prevented.

Description

Technical Field

[0001] The utility model belongs to the technical field of accumulator equipment, and particularly relates to an automobile accumulator with good sealing performance. Background Art

[0002] An accumulator is an important auxiliary component in a hydraulic system, mainly used for storing energy, eliminating pressure pulses, and absorbing pressure shocks in the system. Since the theoretical formulas used for selecting accumulators at present were formed in the 1960s and 1970s of the last century, and the research means were relatively backward, these formulas are all empirical formulas, and the accumulator parameters calculated based on them are not accurate, and need to be adjusted many times during actual use. During the use of the existing variable-volume automobile accumulator, the airbag contacts the oil storage cavity, which easily affects the sealing effect and leakage easily occurs at the connection of the lifting valve during use. Content of the Utility Model

[0003] In order to solve the above technical problems, the utility model provides an automobile accumulator with good sealing performance, by setting an isolation mechanism during use, which is convenient for separating the airbag and the oil storage cavity during use and improving the lifting valve mechanism during use, which is convenient for improving the sealing effect and preventing leakage during use.

[0004] An automobile accumulator with good sealing performance includes an upper shell, and an expansion tube is fixed between the upper shell and the lower shell; an inflation valve is fixed at the middle position inside the upper end of the upper shell; a airbag is arranged at the bottom end of the inflation valve, and it is characterized in that a separable sealing spacer tube structure is arranged at the middle position of the inner wall of the lower shell; a sealable and reinforced lifting valve structure is arranged inside the bottom end of the lower shell.

[0005] Preferably, the separable sealing spacer tube structure includes a fixed tube, and a protective tube is integrally arranged at the bottom end of the fixed tube; a first partition layer is fixed on the inner wall of the bottom end of the fixed tube; a second partition layer is arranged at the upper part of the inner wall of the protective tube.

[0006] Preferably, the sealable and reinforced lifting valve structure includes a lifting valve, and the upper end of the lifting valve is bolted and fixed at the middle position inside a fixed seat; the fixed seat is bolted and fixed at the middle position inside an arc-shaped sealing plate.

[0007] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0008] 1. In the present utility model, the upper shell, lower shell, expansion tube, inflation valve, airbag, fixed tube, protection tube, first partition layer and second partition layer are arranged in cooperation, which is beneficial to separate the airbag from the oil storage cavity during use by arranging the first partition layer and the second partition layer below the airbag, thus improving the sealing effect during use.

[0009] 2. In the present utility model, the lower shell, lifting valve, fixed seat and arc-shaped sealing plate are arranged in cooperation, which is beneficial to fix the fixed seat at the heavy armor position inside the bottom end of the lower shell during use, and then the bottom end of the arc-shaped sealing plate contacts the inner bottom end of the lower shell, facilitating the sealing work at the connection of the lifting valve during use and preventing leakage after long-term use. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 is a schematic structural diagram of the present utility model.

[0011] Figure 2 is a schematic structural diagram of the separable sealing spacer tube structure of the present utility model.

[0012] Figure 3 is a schematic structural diagram of the sealable and reinforced lifting valve structure of the present utility model.

[0013] In the figure:

[0014] 1. Upper shell; 2. Lower shell; 3. Expansion tube; 4. Inflation valve; 5. Airbag; 6. Separable sealing spacer tube structure; 61. Fixed tube; 62. Protection tube; 63. First partition layer; 64. Second partition layer; 7. Sealable and reinforced lifting valve structure; 71. Lifting valve; 72. Fixed seat; 73. Arc-shaped sealing plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0015] The present utility model will be specifically described below with reference to the accompanying drawings. As shown in the attached Figure 1 and attached Figure 2As shown, an accumulator for an automobile with good sealing performance includes an upper housing 1, a lower housing 2, an expansion tube 3, an inflation valve 4, an airbag 5, a separable and sealed spacer tube structure 6, and a sealable, reinforced and lift valve structure 7. A fixed expansion tube 3 is provided between the upper housing 1 and the lower housing 2; an inflation valve 4 is fixed at the middle position inside the upper end of the upper housing 1; an airbag 5 is arranged at the bottom end of the inflation valve 4; a separable and sealed spacer tube structure 6 is arranged at the middle position of the inner wall of the lower housing 2; a sealable, reinforced and lift valve structure 7 is arranged inside the bottom end of the lower housing 2; the separable and sealed spacer tube structure 6 includes a fixed tube 61, a protective tube 62, a first partition layer 63 and a second partition layer 64. The bottom end of the fixed tube 61 is integrally provided with the protective tube 62; the first partition layer 63 is fixed on the inner wall of the bottom end of the fixed tube 61; the second partition layer 64 is arranged at the upper part of the inner wall of the protective tube 62. When in use, the upper housing 1 and the lower housing 2 are fixed at appropriate positions, and then during the use process, the first partition layer 63 and the second partition layer 64 are arranged below the airbag 5, which is convenient for separating the airbag 5 from the oil storage cavity during the use process, and prevents the airbag 5 from contacting the oil fluid during the use process and affecting the sealing effect.

[0016] In this embodiment, in combination with the attached Figure 3 As shown, the sealable, reinforced and lift valve structure 7 includes a lift valve 71, a fixed seat 72 and an arc-shaped sealing plate 73. The upper end of the lift valve 71 is bolted and fixed at the middle position inside the fixed seat 72; the fixed seat 72 is bolted and fixed at the middle position inside the arc-shaped sealing plate 73; meanwhile, during the use process, the fixed seat 72 is fixed at the middle position inside the lower end of the lower housing 2, and then the arc-shaped sealing plate 73 contacts the inner wall of the lower housing 2, and a sealing ring is arranged at the connection part to prevent leakage at the connection part of the lift valve 71 during long-term use, thereby completing the work of the accumulator.

[0017] In this embodiment, specifically, sealing rings are arranged at the connection parts of the upper housing 1 and the lower housing 2 and the expansion tube 3; the airbag 5 is arranged inside the upper housing 1, the lower housing 2 and the expansion tube 3.

[0018] In this embodiment, specifically, the first partition layer 63 is arranged at the middle position inside the upper end of the second partition layer 64; the first partition layer 63 and the second partition layer 64 are respectively made of elastic silica gel layers.

[0019] In this embodiment, specifically, the fixed tube 61 is bolted and fixed at the middle position of the inner wall of the lower housing 2 and a sealing ring is arranged at the connection part.

[0020] In this embodiment, specifically, the upper end of the lifting valve 71 penetrates through the middle position inside the fixing seat 72; the fixing seat 72 penetrates through the middle position inside the arc-shaped sealing plate 73.

[0021] In this embodiment, specifically, the lifting valve 71 penetrates through the middle position at the bottom end inside the lower housing 2; the arc-shaped sealing plate 73 is arranged at the middle position at the bottom end inside the lower housing 2 and a sealing ring is arranged at the connection.

[0022] Working principle

[0023] In the present utility model, when in use, the upper housing 1 and the lower housing 2 are fixed at appropriate positions, and then during use, the first partition layer 63 and the second partition layer 64 are arranged below the airbag 5, which is convenient for separating the airbag 5 from the oil storage cavity during use, preventing the airbag 5 from contacting the oil fluid during use and affecting the sealing effect. At the same time, during use, the fixing seat 72 is fixed at the middle position inside the lower end of the lower housing 2, and then contacts the inner wall of the lower housing 2 through the arc-shaped sealing plate 73, and a sealing ring is arranged at the connection to prevent leakage problems at the connection of the lifting valve 71 during long-term use, thereby completing the work of the accumulator.

[0024] Any technical solution using the technical solution of the present utility model, or designed by those skilled in the art inspired by the technical solution of the present utility model to achieve the above technical effects, shall fall within the protection scope of the present utility model.

Claims

1. An automotive accumulator with good sealing performance, comprising an upper housing (1), a expansion tube (3) is fixed between the upper housing (1) and the lower housing (2); an inflation valve (4) is fixed at the middle position inside the upper end of the upper housing (1); a gasbag (5) is arranged at the bottom end of the inflation valve (4); characterized in that, In the accumulator of the vehicle with good sealing performance, a separable and sealed spacer tube structure (6) is arranged at the middle position of the inner wall of the lower housing (2); a sealed and reinforced lift valve structure (7) is arranged inside the bottom end of the lower housing (2).

2. The well-sealed automotive energy accumulator according to claim 1, wherein The separable and sealed spacer tube structure (6) includes a fixed tube (61), and a protective tube (62) is integrally arranged at the bottom end of the fixed tube (61); a first partition layer (63) is fixed on the inner wall of the bottom end of the fixed tube (61); a second partition layer (64) is arranged at the upper part of the inner wall of the protective tube (62).

3. The well-sealed automotive energy accumulator according to claim 1, characterized in that, The sealed and reinforced lift valve structure (7) includes a lift valve (71), and the upper end of the lift valve (71) is bolted and fixed at the middle position inside a fixed seat (72); the fixed seat (72) is bolted and fixed at the middle position inside an arc-shaped sealing plate (73).

4. The well-sealed automotive energy accumulator according to claim 2, wherein The fixed tube (61) is bolted and fixed at the middle position of the inner wall of the lower housing (2), and a sealing ring is arranged at the connection.

5. The well-sealed automotive energy accumulator according to claim 3, wherein The lift valve (71) penetrates through the middle position inside the bottom end of the lower housing (2); the arc-shaped sealing plate (73) is arranged at the middle position of the inner bottom end of the lower housing (2), and a sealing ring is arranged at the connection.

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