CN202149164U - Internal respiration type spring air chamber - Google Patents
Internal respiration type spring air chamber Download PDFInfo
- Publication number
- CN202149164U CN202149164U CN201120191137U CN201120191137U CN202149164U CN 202149164 U CN202149164 U CN 202149164U CN 201120191137 U CN201120191137 U CN 201120191137U CN 201120191137 U CN201120191137 U CN 201120191137U CN 202149164 U CN202149164 U CN 202149164U
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- CN
- China
- Prior art keywords
- air chamber
- assembly
- internal respiration
- spring
- big piston
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model discloses an internal respiration type spring air chamber which consists of an upper cover of a spring air chamber, and a rear shell, wherein the upper cover is connected with the rear shell by a middle segment, a push rod is arranged in the upper cover, a push disc is arranged on the push rod, a leather film is arranged on the middle segment, an air chamber A is arranged at the lower part of the leather film, two air inlets are arranged on the rear shell, an air chamber B and a big piston are arranged in the rear shell, a Y-shaped ring and a guide ring are arranged between the big piston and the rear shell, an air chamber C and a parking spring are arranged at the back of the big piston, a central shaft is arranged in the middle of the big piston, an internal respiration assembly is arranged on the central shaft, a suspender is further arranged on the rear shell. An upper cover of the assembly and a base of the assembly are arranged on the internal respiration assembly, a one-way packing cup is arranged between the upper cover of the assembly and the base of the assembly, an air channel is arranged in the middle of the one-way packing cup, the other air channel is arranged from the air chamber A at the upper part of the internal respiration assembly to the air chamber B at the lower part of the internal respiration assembly, the middle of the other air channel passes through the air channel in the middle of the one-way packing cup. The internal respiration type spring air chamber is suitable for a brake system of an automobile.
Description
Technical field
The utility model relates to a kind of brake system of car parts, especially relates to a kind of internal respiration formula spring air chamber.
Background technique
The spring air chamber of automobile is through external leather hose, and gas is the door turnover from the air chamber that is communicated with protecgulum and back cover center; Breathe through leather hose and preceding cover cavity, its shortcoming is the easy fracture of leather hose or presses partially, causes unsmooth breath logical; Or directly contact with extraneous; Cause to suck a large amount of dusts and silt in the rear case air chamber, air chamber is corroded in advance, influence working life.
Summary of the invention
The purpose of the utility model is to provide a kind of reasonable in design, the internal respiration formula spring air chamber that using effect is good to getting on the car the existing shortcoming of braking system spring air chamber.
In order to achieve the above object, the utility model mainly adopts following technological scheme to realize.The utility model mainly is made up of the loam cake and the rear case of spring air chamber, and loam cake is connected through middle joint with rear case, in loam cake, is provided with push rod; Push rod is provided with push-plate, on middle joint, is provided with epithelium, and the below of epithelium is provided with air chamber A; On rear case, be provided with two suction ports, be provided with air chamber B and big piston in the rear case, be provided with Y-shaped ring and guide ring between big piston and the rear case; Big piston is provided with air chamber C at the back, also is provided with the Parking spring, and the centre of big piston is a central shaft; Central shaft is provided with the internal respiration assembly, on rear case, also is provided with suspension rod.Described internal respiration assembly is provided with assembly loam cake and assembly base; Between assembly loam cake and assembly base, be provided with unidirectional leather cup; The centre of unidirectional leather cup is provided with the gas passage; Be provided with the gas passage at air chamber A above the internal respiration assembly to the air chamber B below the internal respiration assembly, the middle gas passage that passes through the centre of unidirectional leather cup.
The utility model compared with prior art has through following tangible advantage.(1) reasonable in design.The utility model has improved the structure of conventional springs air chamber with leather hose connection air chamber, changes into the internal respiration assembly substituting, and is simple in structure, easy to use, can not influence automobile brake because leather hose breaks.(2) long service life.
The utility model is applicable to brake system of car.
Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail.
Description of drawings
Fig. 1 is the utility model overall structure cut-away view.
Fig. 2 is the utility model internal respiration assembly cut-away view.
Embodiment
As shown in Figure 1, the utility model mainly is made up of with 7 of rear cases the loam cake 1 of spring air chamber, and loam cake 1 is connected through middle joint 6 with rear case 7; In loam cake 1, be provided with push rod 2, push rod 2 is provided with push-plate 3, on middle joint 6, is provided with epithelium 4; The below of epithelium 4 is provided with air chamber A5, on rear case 7, is provided with two suction ports, is provided with air chamber B13 and big piston 8 in the rear case 7; Be provided with Y-shaped ring and guide ring between big piston 8 and the rear case 7, big piston 8 back are provided with air chamber C11, also are provided with Parking spring 9; The centre of big piston is a piston shaft 10, and piston shaft 10 is provided with internal respiration assembly 14, on rear case 7, also is provided with suspension rod 12.Described internal respiration assembly 14 is provided with assembly loam cake 15 and assembly base 17; Between assembly loam cake 15 and assembly base 17, be provided with unidirectional leather cup 16; The centre of unidirectional leather cup 16 is provided with gas passage 19; Be provided with the gas passage at air chamber A above the internal respiration assembly to the air chamber B below the internal respiration assembly 14, the middle gas passage 19 that passes through the centre of unidirectional leather cup 16 also is provided with balance spring 18 outside unidirectional leather cup 16.
Embodiment
1, does parking braking
When vehicle is done parking braking, air chamber B13 exhaust, resident vehicle spring 9 discharges, and promotes piston 8; At this moment, air chamber C11 domestic demand inflation, and internal respiration this moment assembly 14 does not receive the pressure (so time air chamber A5 do not have to press) of air chamber A5; Balance spring 18 backs down unidirectional leather cup 16, and is unimpeded through gas circuit, and gas is flowed into to air chamber C by air chamber A; Flow into air chamber C, do not make it form vacuum, accomplish parking braking.
2, discharge parking braking
When vehicle need be done the release parking braking, inflation in the air chamber B13 promoted piston 8, compresses in spring 9; At this moment, the exhaust of air chamber C11 domestic demand, and this moment, internal respiration assembly 14 did not receive the pressure (so time air chamber A5 do not have to press) of air chamber A5; Balance spring 18 backs down unidirectional leather cup 16, and is unimpeded through gas circuit, and gas is flowed into to air chamber C11 by air chamber A5; Flow into air chamber C11, do not make it form vacuum, accomplish parking braking; Gas is discharged to air chamber A5 by air chamber C11, makes air chamber C11 can not form pressure chamber, accomplishes parking braking and discharges.
3, service brake
When vehicle needed service brake, air chamber A5 interacvity air-filling, epithelium 4 pressurizeds promoted, and push rod 2 goes out braking force to external demand; Realize braking, at this moment, internal respiration assembly 14 need be guaranteed air tight; And receive pressure on the unidirectional leather cup 16 in the internal respiration this moment assembly 14 from air chamber A5, and compression balance spring 18, unidirectional leather cup 16 envelopes are died with rage; Air chamber A5 realizes that to air chamber C11 conducting air chamber A5 is air tight, guarantees the completion of service brake.The utility model is applicable to brake system of car.
Claims (2)
1. an internal respiration formula spring air chamber is made up of the loam cake (1) and the rear case (7) of spring air chamber, and loam cake (1) is connected through middle joint (6) with rear case (7); In loam cake (1), be provided with push rod (2), push rod (2) is provided with push-plate (3), on middle joint (6), is provided with epithelium (4); The below of epithelium (4) is provided with air chamber A (5); On rear case (7), be provided with two suction ports, be provided with air chamber B (13) and big piston (8) in the rear case (7), be provided with Y-shaped ring and guide ring between big piston (8) and the rear case (7); Big piston (8) back is provided with air chamber C (11); Also be provided with Parking spring (9), the centre of big piston (8) is piston shaft (10), it is characterized in that piston shaft (10) is provided with internal respiration assembly (14).
2. internal respiration formula spring air chamber according to claim 1; It is characterized in that described internal respiration assembly (14) is provided with assembly loam cake (15) and assembly base (17); Between assembly loam cake (15) and assembly base (17), be provided with unidirectional leather cup (16); The centre of unidirectional leather cup (16) is provided with gas passage (19); Air chamber A (5) is provided with the gas passage to the air chamber B (13) of the below of internal respiration assembly (14) above the internal respiration assembly, and the middle gas passage (19) that passes through the centre of unidirectional leather cup (16) also is provided with balance spring (18) outside unidirectional leather cup (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120191137U CN202149164U (en) | 2011-06-08 | 2011-06-08 | Internal respiration type spring air chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120191137U CN202149164U (en) | 2011-06-08 | 2011-06-08 | Internal respiration type spring air chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202149164U true CN202149164U (en) | 2012-02-22 |
Family
ID=45590224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120191137U Expired - Fee Related CN202149164U (en) | 2011-06-08 | 2011-06-08 | Internal respiration type spring air chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202149164U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012164587A2 (en) * | 2011-05-26 | 2012-12-06 | Wabco India Limited | Internal breather valve for spring brake actuators |
| EP4223601A1 (en) * | 2022-02-04 | 2023-08-09 | ZF Commercial Vehicle Control Systems India Limited | Spring brake actuator comprising a ram assembly with a check valve |
-
2011
- 2011-06-08 CN CN201120191137U patent/CN202149164U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012164587A2 (en) * | 2011-05-26 | 2012-12-06 | Wabco India Limited | Internal breather valve for spring brake actuators |
| WO2012164587A3 (en) * | 2011-05-26 | 2013-06-27 | Wabco India Limited | Internal breather valve for spring brake actuators |
| EP4223601A1 (en) * | 2022-02-04 | 2023-08-09 | ZF Commercial Vehicle Control Systems India Limited | Spring brake actuator comprising a ram assembly with a check valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120222 Termination date: 20120608 |