CN201849463U - Double-air-chamber device - Google Patents
Double-air-chamber device Download PDFInfo
- Publication number
- CN201849463U CN201849463U CN2010205855446U CN201020585544U CN201849463U CN 201849463 U CN201849463 U CN 201849463U CN 2010205855446 U CN2010205855446 U CN 2010205855446U CN 201020585544 U CN201020585544 U CN 201020585544U CN 201849463 U CN201849463 U CN 201849463U
- Authority
- CN
- China
- Prior art keywords
- air chamber
- parking
- barrier film
- cavity
- push rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a double-air-chamber device for brake of a motor vehicle, comprising a dirt-proof stopper and an air nozzle. An air cavity is formed by a front cavity of an aluminum separating seat, and a diaphragm of a first air chamber, and the periphery of the diaphragm of the first air chamber and the periphery of the aluminum separating seat are pressed and sealed by a front cover of the air chamber; a push rod tray is positioned in a cavity formed by the diaphragm of the first air chamber and the front cover of the air chamber and fixedly connected with one end of a push rod which penetrates through a central hole of the front cover of the air chamber; a first pressure spring is sheathed on the push rod and positioned in the cavity formed by the diaphragm of the first air chamber and the front cover of the air chamber; the periphery of a diaphragm of a second air chamber is sealed and pressed at the periphery of a parking body shell by the periphery of a rear cavity of the aluminum separating seat; a parking ejector rod is positioned in a cavity formed by the diaphragm of the second air chamber and the rear cavity of the aluminum separating seat; one end of the parking ejector rod is connected with a tray positioned at the back surface of the diaphragm of the first air chamber; a second pressure spring is sheathed on the parking ejector rod; the other end of the parking ejector rod is connected with a spring plank positioned on the diaphragm of the second air chamber; the diaphragm of the second air chamber is positioned in a cavity formed by a main spring seat and a parking chamber shell; and a main spring is positioned between the part below the main spring seat and the parking chamber shell.
Description
Technical field
The utility model relates to a kind of brake of motor-driven vehicle with two gas cell devices, belongs to single air chamber assembly and makes the field.
Background technology
CN2797145Y, title " single air chamber double loop air braking systems ", it comprises relay valve, the gentle pressure-controlled pipeline of the compression air brake pipeline that communicates with relay valve, the total jar of pressure of pressure gas is provided for pipeline, the control cock of control air pressure pilot piping, compressed air brake cylinder has two compressed air brake cylinders that air pressure screening plant one shuttle valve respectively is installed, the two ends of each shuttle valve communicate with two relay valves respectively, two relay valves respectively with two independently the compression air brake pipeline communicate.Its weak point: the one, complex structural designs, manufacturing cost height; The 2nd, stable having much room for improvement.
The utility model content
Design goal: avoid the weak point in the background technology, design a kind of simple in structure, low cost of manufacture, two gas cell devices that reliability is high.
Design plan: in order to realize above-mentioned design goal.1, the aluminium separate seat ante-chamber and first gas chamber shell and air chamber barrier film constitute the design of air cavity, are one of technical characterictics of the present utility model.The purpose of doing like this is: because the air chamber barrier film is government rubber, have better elastic and toughness, can form eardrum and promote the push rod pallet and move and promote motion by the push rod pallet under the effect of air pressure.2, compression spring sleeve is two of a technical characterictic of the present utility model on push rod and be positioned at the push rod pallet and be positioned at the design that air chamber barrier film and car chamber protecgulum constitute cavity.The purpose of doing like this is: because the diameter of stage clip equates that therefore when the push rod pallet acted on the bottom of stage clip, its compression of spring was that positive pressure transmission and push rod pallet drive pushrod movement.3, the design of the air chamber mechanism that constituted of the second air chamber barrier film and Parking housing is three of a technical characterictic of the present utility model.The purpose of doing like this is: it and the first air chamber barrier film mutual action have reached the purpose that improves braking force.
Technical scheme: a kind of pair of gas cell device, it comprises dust plug and valve, the ante-chamber of aluminium separate seat and the first air chamber barrier film constitute air cavity and pass through the air chamber protecgulum with pinch-off seal around the first air chamber barrier film and the aluminium separate seat, the push rod pallet is positioned at cavity and the push rod pallet that the first air chamber barrier film and air chamber protecgulum constitute captives joint with push rod one end that passes air chamber protecgulum centre hole, and first compression spring sleeve is on push rod and be positioned at the cavity of the first air chamber barrier film and air chamber protecgulum formation; Around the aluminium separate seat back cavity sealing around the second air chamber barrier film is pressed in around the Parking body shell, parking strut is positioned at the cavity of the second air chamber barrier film and aluminium separate seat back cavity formation, its parking strut one end passes the aluminium separate seat by seal ring and is connected with the pallet that is positioned at the first air chamber barrier film back side, second compression spring sleeve is the stack arrangement on parking strut and with first stage clip, the parking strut other end is connected with spring plank on being positioned at the second air chamber barrier film, the second air chamber barrier film back side is touched mutually with the main spring seat surface and is positioned at the cavity that main spring seat and Parking chamber housing constitute, and main spring is positioned under the main spring seat and between the housing of Parking chamber.
The utility model is compared with background technology, and the one, structure design is simple, low cost of manufacture; The 2nd, working stability is reliable, can effectively realize timely braking, Parking, and braking force is big, deceleration and stopping performance safety, reliable, practical.
Description of drawings
Fig. 1 is the structural representation of two gas cell devices.
The specific embodiment
Embodiment 1: with reference to accompanying drawing 1.A kind of pair of gas cell device, it comprises dust plug 20, hold-down bolt 5, nut 3 and packing ring 2, brace panel 1 and valve, the ante-chamber of aluminium separate seat 14 and the first air chamber barrier film 11 constitute air cavity and pass through air chamber protecgulum 8 with pinch-off seal around the first air chamber barrier film 11 and the aluminium separate seat 14, push rod pallet 12 is positioned at the first air chamber barrier film 11 captives joint with push rod 6 one ends that pass air chamber protecgulum 8 centre holes with cavity and push rod pallet 12 that air chamber protecgulum 8 constitutes, and first stage clip 9 is enclosed within on the push rod 6 and is positioned at the first air chamber barrier film 11 and the cavity of air chamber protecgulum 8 formations; Around aluminium separate seat 14 back cavities sealing around the second air chamber barrier film 11 is pressed in around the Parking body shell 18, parking strut 15 is positioned at the cavity of the second air chamber barrier film 11 and aluminium separate seat 14 back cavities formation, its parking strut 15 1 ends pass aluminium separate seat 14 by seal ring 13 and are connected with the pallet that is positioned at the first air chamber barrier film back side, second stage clip 22 is enclosed within on the parking strut 15 and is stack with first stage clip and arranges, parking strut 15 other ends are connected with spring plank 16 on being positioned at the second air chamber barrier film, the second air chamber barrier film, 21 back sides are touched mutually with 17 of main spring seats and are positioned at the cavity that main spring seat 17 and Parking chamber housing 18 constitute, and main spring 19 is positioned at 18 of main spring seat 17 times and Parking chamber housings.Described stage clip 9 equal diameters.Described push rod 6 is provided with shift fork nut 7.Described air chamber protecgulum 8 centre holes are built-in with plastic washer 4, and purpose prevents abrasion push rod 6.
What need understand is: though the foregoing description is to the mentality of designing of the present utility model detailed text description of contrasting; but these text descriptions; just the simple text of the utility model mentality of designing is described; rather than to restriction of the present utility model; any combination, increase or modification that does not exceed the utility model mentality of designing all falls in the protection domain of the present utility model.
Claims (4)
1. two gas cell device, it comprises dust plug (20), hold-down bolt (5), nut (3) and packing ring (2), brace panel (1) and valve, it is characterized in that: the ante-chamber of aluminium separate seat (14) and the first air chamber barrier film (11) constitute air cavity and by air chamber protecgulum (8) with the first air chamber barrier film (11) and aluminium separate seat (14) pinch-off seal all around, push rod pallet (12) is positioned at the first air chamber barrier film (11) captives joint with push rod (6) one ends that pass air chamber protecgulum (8) centre hole with cavity and push rod pallet (12) that air chamber protecgulum (8) constitutes, and first stage clip (9) is enclosed within the cavity that the first air chamber barrier film (11) and air chamber protecgulum (8) formation were gone up and be positioned to push rod (6); Aluminium separate seat (14) back cavity seals the second air chamber barrier film (11) all around all around and is pressed in Parking body shell (18) all around, parking strut (15) is positioned at the cavity of the second air chamber barrier film (11) and aluminium separate seat (14) back cavity formation, its parking strut (15) one ends pass aluminium separate seat (14) by seal ring (13) and are connected with the pallet that is positioned at the first air chamber barrier film back side, second compression spring sleeve goes up and is stack with first stage clip at parking strut (15) and arranges, parking strut (15) other end is connected with spring plank (16) on being positioned at the second air chamber barrier film, the second air chamber barrier film back side is touched mutually with main spring seat (17) face and is positioned at the cavity that main spring seat (17) and Parking chamber housing (18) constitute, and main spring (19) is positioned under the main spring seat (17) and between Parking chamber housing (18).
2. pair gas cell device according to claim 1 is characterized in that: described push rod (6) is provided with shift fork nut (7).
3. pair gas cell device according to claim 1 is characterized in that: described air chamber protecgulum (8) centre hole is built-in with plastic washer (4).
4. pair gas cell device according to claim 1 is characterized in that: described stage clip (9) equal diameters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205855446U CN201849463U (en) | 2010-11-01 | 2010-11-01 | Double-air-chamber device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205855446U CN201849463U (en) | 2010-11-01 | 2010-11-01 | Double-air-chamber device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201849463U true CN201849463U (en) | 2011-06-01 |
Family
ID=44091869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205855446U Expired - Fee Related CN201849463U (en) | 2010-11-01 | 2010-11-01 | Double-air-chamber device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201849463U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103950441A (en) * | 2014-05-16 | 2014-07-30 | 王小飞 | Air brake chamber with built-in release lever |
-
2010
- 2010-11-01 CN CN2010205855446U patent/CN201849463U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103950441A (en) * | 2014-05-16 | 2014-07-30 | 王小飞 | Air brake chamber with built-in release lever |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: HANGZHOU LUZONG MACHINERY CO., LTD. Free format text: FORMER NAME: HANGZHOU DENGFENG CLUTCH CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 311107 Renhe Village, Renhe Town, Yuhang District, Zhejiang, Hangzhou Patentee after: Hangzhou Road Machinery Co., Ltd. Address before: 311107 Renhe Village, Renhe Town, Yuhang District, Zhejiang, Hangzhou Patentee before: Hangzhou Dengfeng Clutch Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110601 Termination date: 20111101 |