CN201851548U - Double-air chamber device of drum spring - Google Patents
Double-air chamber device of drum spring Download PDFInfo
- Publication number
- CN201851548U CN201851548U CN2010205855713U CN201020585571U CN201851548U CN 201851548 U CN201851548 U CN 201851548U CN 2010205855713 U CN2010205855713 U CN 2010205855713U CN 201020585571 U CN201020585571 U CN 201020585571U CN 201851548 U CN201851548 U CN 201851548U
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- CN
- China
- Prior art keywords
- air chamber
- spring
- parking
- barrier film
- seat
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Abstract
The utility model relates to a double-air chamber device of a drum spring for the brake of a motor vehicle. The double-air chamber device comprises a dustproof stopper and an air tap, wherein the front chamber of an aluminum isolating seat and a first air chamber diaphragm form an air chamber, the first air chamber diaphragm is tightly pressed and sealed with the periphery of the aluminum isolating seat by a front cover of the air chamber, a push rod tray is positioned in a chamber formed by the air chamber diaphragm and the front cover of the air chamber and is fixedly connected with one end of a push rod which penetrates through a center hole of the front cover of the air chamber, and a first drum spring is sheathed on the push rod and is positioned in the chamber formed by the first air chamber diaphragm and the front cover of the air chamber; and the periphery of the rear cavity of the aluminum isolating seat tightly presses the periphery of a second air chamber diaphragm at the periphery of the shell of a parking body, a parking mandril is positioned in a chamber formed by the second air chamber diaphragm and the rear chamber of the aluminum isolating seat, one end of the parking mandril is connected with the tray positioned at the back of the first air chamber diaphragm, a second drum spring is sheathed on the parking mandril, the other end of the parking mandril is connected with a spring supporting plate positioned on the second air chamber diaphragm, the second air chamber diaphragm is positioned in a chamber formed by a main spring seat and the shell of a parking room, and a main spring is positioned between the lower part of the main spring seat and the shell of the parking room.
Description
Technical field
The utility model relates to a kind of brake of motor-driven vehicle with the two gas cell devices of drum spring, belongs to single air chamber assembly and makes the field.
Background technique
CN2797145Y, title " single air chamber double loop air braking systems ", it comprises relay valve, the gentle pressure-controlled pipeline of the air-pressure brake pipeline that communicates with relay valve, the total jar of pressure of pressurized gas is provided for pipeline, the control valve of control air pressure pilot line, brake chamber has two brake chambers that air pressure screening apparatus 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 air-pressure brake pipeline communicate.Its deficiency: the one, complex structural designs, manufacture cost height; The 2nd, stable having much room for improvement.
The model utility content
Purpose of design: avoid the deficiency in the background technique, design a kind of simple in structure, low cost of manufacture, two gas cell devices of bulging spring that reliability is high.
Design proposal: in order to realize above-mentioned purpose of design.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 characteristicss of the present utility model.The purpose of doing like this is: because the air chamber barrier film is nitrile butadiene 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 characteristics 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, the boil down to positive pressure of its spring was transmitted and the push rod pallet drives 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 characteristics of the present utility model.The purpose of doing like this is: it and the first air chamber barrier film interact, and have reached the purpose that improves braking force.
Technological scheme: the two gas cell devices of a kind of bulging spring, it comprises dust plug and valve, the ante-chamber of aluminium separate seat and the first air chamber barrier film constitute air cavity and will compress sealing around the first air chamber barrier film and the aluminium separate seat by the air chamber protecgulum, the push rod pallet is positioned at the first air chamber barrier film fixedlys connected with push rod one end that passes air chamber protecgulum center hole with cavity and push rod pallet that the air chamber protecgulum constitutes, and the first drum spring is enclosed within on the push rod and is positioned at the first air chamber barrier film and the cavity of 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, the second drum spring is enclosed within on the parking strut and is relative with the first drum spring tower seat, the parking strut the other end is connected with spring planet 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 technique, and the one, structural design is simple, low cost of manufacture; The 2nd, working stability is reliable, can effectively realize timely braking, Parking, and braking force is big, braking ability safety, reliable, practical.
Description of drawings
Fig. 1 is the structural representation of the two gas cell devices of drum spring.
Embodiment
Embodiment 1: with reference to accompanying drawing 1.The two gas cell devices of a kind of bulging spring, it comprises dust plug 20, construction bolt 5, nut 3 and packing ring 2, stiffening plate 1 and valve, 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 the first air chamber barrier film 11 and aluminium separate seat 14 are compressed sealing all around, push rod pallet 12 is positioned at the first air chamber barrier film 11 fixedlys connected with push rod 6 one ends that pass air chamber protecgulum 8 center holes with cavity and push rod pallet 12 that air chamber protecgulum 8 constitutes, and the first drum spring 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; To be pressed in around the Parking body shell 18 by anchor ear 10 sealings around the second air chamber barrier film 11 around aluminium separate seat 14 back cavities, 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, the second drum spring 22 is enclosed within on the parking strut 15 and is relative with the first drum spring, 14 tower seats, parking strut 15 the other ends are connected with spring planet 16 on being positioned at the second air chamber barrier film 21, 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 bulging spring 9 equal diameters.Described push rod 6 is provided with shift fork nut 7.Described air chamber protecgulum 8 center 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 devices of a bulging spring, it comprises dust plug (20), construction bolt (5), nut (3) and packing ring (2), stiffening plate (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) the first air chamber barrier film (11) and aluminium separate seat (14) are compressed sealing all around, push rod pallet (12) is positioned at the first air chamber barrier film (11) fixedlys connected with push rod (6) one ends that pass air chamber protecgulum (8) center hole with cavity and push rod pallet (12) that air chamber protecgulum (8) constitutes, and the first drum spring (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, it is last and relative with first drum spring (14) the tower seat that the second bulging spring is enclosed within parking strut (15), parking strut (15) the other end is connected with spring planet (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. the two gas cell devices of bulging spring according to claim 1, it is characterized in that: described push rod (6) is provided with shift fork nut (7).
3. the two gas cell devices of bulging spring according to claim 1, it is characterized in that: described air chamber protecgulum (8) center hole is built-in with plastic washer (4).
4. the two gas cell devices of bulging spring according to claim 1 is characterized in that: described bulging spring (9) equal diameters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205855713U CN201851548U (en) | 2010-11-01 | 2010-11-01 | Double-air chamber device of drum spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205855713U CN201851548U (en) | 2010-11-01 | 2010-11-01 | Double-air chamber device of drum spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201851548U true CN201851548U (en) | 2011-06-01 |
Family
ID=44093940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205855713U Expired - Fee Related CN201851548U (en) | 2010-11-01 | 2010-11-01 | Double-air chamber device of drum spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201851548U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788105A (en) * | 2012-08-14 | 2012-11-21 | 焦作制动器股份有限公司 | Multiple-effect caliper disc brake |
-
2010
- 2010-11-01 CN CN2010205855713U patent/CN201851548U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788105A (en) * | 2012-08-14 | 2012-11-21 | 焦作制动器股份有限公司 | Multiple-effect caliper disc brake |
| CN102788105B (en) * | 2012-08-14 | 2017-02-08 | 焦作金箍制动器股份有限公司 | Multiple-effect caliper disc brake |
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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 |