CN201951450U - Double-air chamber assembly - Google Patents
Double-air chamber assembly Download PDFInfo
- Publication number
- CN201951450U CN201951450U CN2010205856148U CN201020585614U CN201951450U CN 201951450 U CN201951450 U CN 201951450U CN 2010205856148 U CN2010205856148 U CN 2010205856148U CN 201020585614 U CN201020585614 U CN 201020585614U CN 201951450 U CN201951450 U CN 201951450U
- Authority
- CN
- China
- Prior art keywords
- air chamber
- chamber
- parking
- barrier film
- 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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- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The utility model relates to a double-air chamber assembly used for motor vehicle braking, which comprises an air faucet, wherein an air chamber is formed by a front chamber of an aluminum isolation seat and a first air chamber diaphragm, a push rod tray is positioned in a chamber body formed by the first air chamber diaphragm and a front cover of a traveling crane chamber, and fixedly connected with one end of a push rod which penetrates through a central hole of the front cover of the traveling crane chamber, a drum spring is sheathed on the push rod and positioned in the chamber body formed by the first air chamber diaphragm and the front cover of the traveling crane chamber, the periphery of a second air chamber diaphragm is pressed on the periphery of a shell of a parking body by the periphery of a logistics working chamber of the aluminum isolation seat in a sealing way, a parking top rod is positioned in the chamber body formed by the second air chamber diaphragm and the logistics working chamber of the aluminum isolation seat, one end of the parking top rod penetrates through the aluminum isolation seat through a sealing ring and is contacted with a tray positioned at the back of the first air chamber diaphragm, the other end of the parking top rod is connected with a spring plank positioned on the second air chamber diaphragm, the back of the second air chamber diaphragm is contacted with the surface of a main spring pressing plate seat and positioned in the chamber body formed by the main spring pressing plate seat and the shell of a parking chamber, and a main spring is positioned between the lower part of the main spring pressing plate seat and the shell of the parking chamber.
Description
Technical field
The utility model relates to a kind of brake of motor-driven vehicle with two air chamber assemblies, 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 air chamber assemblies 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, rousing spring and be enclosed within on the 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, is two of technical characterictic of the present utility model.The purpose of doing like this is: because the diameter of drum spring equates that therefore when the push rod pallet acted on the bottom of bulging spring, 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 air chamber assembly, it comprises dust plug, hold-down bolt, nut and packing ring, brace panel and valve, the ante-chamber of aluminium separate seat and the first air chamber barrier film constitute air cavity and pass through driving 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 the first air chamber barrier film captives joint with push rod one end that passes driving chamber protecgulum centre hole with the cavity and the push rod pallet of driving chamber protecgulum formation, and the first drum spring is enclosed within on the push rod and is positioned at air chamber barrier film first and the cavity of driving chamber protecgulum formation; Around the aluminium separate seat logistic work chamber sealing around the second air chamber barrier film is pressed in around the Parking body housing, parking strut is positioned at the cavity of the second air chamber barrier film and aluminium separate seat logistic work chamber formation, its parking strut one end passes the aluminium separate seat by seal ring and touches mutually with the pallet that is positioned at the first air chamber barrier film back side, the second drum spring is enclosed within on the parking strut and is folded tower with the first drum spring and arranges, the parking strut other end is connected with spring plank on being positioned at the second air chamber barrier film, the cavity of main spring pressing plate seat and Parking chamber housing formation is touched and is positioned at the second air chamber barrier film back side mutually with main spring pressing plate seat surface, main spring is positioned under the main spring pressing plate seat and between the housing of Parking chamber, hangs bolt and be connected with main spring pressing plate seat.
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 air chamber assemblies.
Fig. 2 is the right TV structure scheme drawing of Fig. 1.
Fig. 3 is the surface structure scheme drawing of Fig. 1.
The specific embodiment
Embodiment 1: with reference to accompanying drawing 1-3.A kind of pair of air chamber assembly, it comprises dust plug 2, hold-down bolt 21, nut 20 and packing ring 19, brace panel 18 and valve, the ante-chamber of aluminium separate seat 11 and the first air chamber barrier film 15 constitute air cavity and pass through driving chamber protecgulum 17 with pinch-off seal around the first air chamber barrier film 15 and the aluminium separate seat 11, push rod pallet 12 is positioned at the first air chamber barrier film 15 captives joint with push rod 13 1 ends that pass driving chamber protecgulum 17 centre holes with the cavity and the push rod pallet 12 of driving chamber protecgulum 17 formations, and the first drum spring 14 is enclosed within on the push rod 13 and is positioned at air chamber barrier film the 1 and the cavity of driving chamber protecgulum 17 formations; Around the aluminium separate seat 11 logistic work chambeies sealing around the second air chamber barrier film 15 is pressed in around the Parking housing 5, parking strut 9 is positioned at the cavity of the second air chamber barrier film 15 and aluminium separate seat 11 logistic work chambeies formation, its parking strut 9 one ends pass aluminium separate seat 11 by seal ring 10 and touch mutually with the pallet that is positioned at the first air chamber barrier film back side, the second drum spring is enclosed within on the parking strut 9 and is folded tower with the first drum spring and arranges, parking strut 9 other ends are connected with spring plank 8 on being positioned at the second air chamber barrier film, the cavity of main spring pressing plate seat 7 and Parking chamber housing 5 formations is touched and is positioned at the second air chamber barrier film back side mutually with 7 of main spring pressing plate seats, main spring 6 is positioned at 5 of main spring pressing plate seat 7 times and Parking chamber housings, hangs bolt 1 by hanging bolt nut 3, hanging bolt pad 4 is connected with main spring pressing plate seat 7.Described bulging spring two symmetry.
Described push rod 13 ends are connected with pulling and pushing body 23 by fork nut 22, fork pin 24, fork spring cotter 25.
Described driving chamber protecgulum 17 centre holes are built-in with plastic washer 16, and purpose prevents abrasion push rod 13.
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 air chamber assembly, it comprises dust plug (2), hold-down bolt (21), nut (20) and packing ring (19), brace panel (18) and valve, it is characterized in that: the ante-chamber of aluminium separate seat (11) and the first air chamber barrier film (15) constitute air cavity and by driving chamber protecgulum (17) with the first air chamber barrier film (15) and aluminium separate seat (11) pinch-off seal all around, push rod pallet (12) is positioned at the first air chamber barrier film (15) captives joint with push rod (13) one ends that pass chamber protecgulum (17) centre hole of driving a vehicle with cavity and push rod pallet (12) that the chamber protecgulum (17) of driving a vehicle constitutes, and the first drum spring (14) is enclosed within the cavity that the first air chamber barrier film (15) and driving chamber protecgulum (17) formation were gone up and be positioned to push rod (13); Aluminium separate seat (11) logistic work chamber seals the second air chamber barrier film (15) all around all around and is pressed in Parking housing (5) all around, parking strut (9) is positioned at the cavity of the second air chamber barrier film (15) and aluminium separate seat (11) logistic work chamber formation, its parking strut (9) one ends pass aluminium separate seat (11) by seal ring (10) and touch mutually with the pallet that is positioned at the first air chamber barrier film back side, the second drum spring is enclosed within parking strut (9) and upward and with the first drum spring is folded tower arrangement, parking strut (9) other end is connected with spring plank (8) on being positioned at the second air chamber barrier film, the cavity of main spring pressing plate seat (7) and Parking chamber housing (5) formation is touched and is positioned at the second air chamber barrier film back side mutually with main spring pressing plate seat (7) face, main spring (6) is positioned under the main spring pressing plate seat (7) and between Parking chamber housing (5), hangs bolt (1) and be connected with main spring pressing plate seat (7).
2. according to claim 1 pair of air chamber assembly is characterized in that: described push rod (13) end is connected with pulling and pushing body (23) by fork nut (22), fork pin (24), fork spring cotter (25).
3. according to claim 1 pair of air chamber assembly is characterized in that: described driving chamber protecgulum (17) centre hole is built-in with plastic washer (16).
4. according to claim 1 pair of air chamber assembly is characterized in that: described bulging spring two symmetry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205856148U CN201951450U (en) | 2010-11-01 | 2010-11-01 | Double-air chamber assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205856148U CN201951450U (en) | 2010-11-01 | 2010-11-01 | Double-air chamber assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201951450U true CN201951450U (en) | 2011-08-31 |
Family
ID=44495575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205856148U Expired - Fee Related CN201951450U (en) | 2010-11-01 | 2010-11-01 | Double-air chamber assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201951450U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103693032A (en) * | 2014-01-06 | 2014-04-02 | 南阳理工学院 | Brake chamber of tractor trailer |
| CN104071140A (en) * | 2014-06-25 | 2014-10-01 | 嘉兴盛鼎机械有限公司 | Light weight all aluminum brake air chamber and preparation method thereof |
-
2010
- 2010-11-01 CN CN2010205856148U patent/CN201951450U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103693032A (en) * | 2014-01-06 | 2014-04-02 | 南阳理工学院 | Brake chamber of tractor trailer |
| CN104071140A (en) * | 2014-06-25 | 2014-10-01 | 嘉兴盛鼎机械有限公司 | Light weight all aluminum brake air chamber and preparation method thereof |
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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: 20110831 Termination date: 20111101 |