CN205315565U - Spring brake chamber's of two -stage stroke back cap spare - Google Patents
Spring brake chamber's of two -stage stroke back cap spare Download PDFInfo
- Publication number
- CN205315565U CN205315565U CN201620035746.0U CN201620035746U CN205315565U CN 205315565 U CN205315565 U CN 205315565U CN 201620035746 U CN201620035746 U CN 201620035746U CN 205315565 U CN205315565 U CN 205315565U
- Authority
- CN
- China
- Prior art keywords
- piston
- bonnet
- brake chamber
- tappet
- spring
- 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 belongs to the technical field of the spring brake chamber technique and specifically relates to a spring brake chamber's of two -stage stroke back cap spare. This spring brake chamber's of two -stage stroke back cap spare includes the well body, back lid, piston, brake spring, brake spring seat and tappet, formation brake chamber is connected with the back lid to the well body, the piston is located in the brake chamber, the tappet passes the piston and weld in on the piston, the back lid is inside to be equipped with the brake spring seat, be equipped with between piston and the brake spring seat the brake spring, in internal portion be equipped with the opening, the tappet passes the opening, the tappet with be located between the well body be equipped with O type sealing washer on the opening, back lid parcel is in in external side to it is together fixed through set screw, the rear portion of back lid is equipped with the muffler, the muffler welding is in after cover, the muffler communicates in the atmosphere inside the air chamber.
Description
Technical field
This utility model relates to spring brake chamber technical field, specifically the back cover part of the spring brake chamber of a kind of two-stage stroke.
Background technology
The mode that the middle body of existing piston-type energy-storage spring brake air chamber employing 8 hex bolts generally individually with the attachment structure of cylinder block are connected. When assembling, in handle, body, piston, tripping spring, cylinder block completely put compression on press into, then tighten 8 bolts successively. But, sucking pump effect operationally can be produced due to piston-type energy-storage spring brake air chamber, in addition brake chamber is generally all arranged under automobile chassis, position close to wheel, working environment is comparatively severe, under the effect of sucking pump, the impurity of meeting inspiration silt etc, damages the sealing ring of brake chamber. Moreover the brake chamber assembly of this structure must carry out on press, makes maintenance work relatively difficult, generally require whole changing, waste bigger.
Utility model content
This utility model for providing a kind of simple in construction, be easy to dismounting, cost is lower, structure is more stable, be unlikely to deform the back cover part of the spring brake chamber of the two-stage stroke of gas leakage, longer service life.
This utility model is achieved through the following technical solutions:
A kind of back cover part of the spring brake chamber of two-stage stroke, including middle body, bonnet, piston, tripping spring, tripping spring seat and tappet, described middle body and bonnet connect formation arrester, described piston is located in described arrester, described tappet is through described piston and is welded on described piston, described tripping spring seat it is provided with inside described bonnet, described tripping spring it is provided with between described piston and tripping spring seat, in described, internal portion is provided with opening, the described tappet described opening of traverse, it is positioned at described opening between described tappet and described middle body and is provided with O RunddichtringO, described bonnet be wrapped in described in external side, and be fixed together by positioning screw, the rear portion of described bonnet is provided with muffler, described muffler is welded on described bonnet, plenum interior is communicated in air by described muffler.
V-shaped seal ring and piston ring it is provided with outside described piston and between described bonnet.
Described bonnet is provided with fixing screw, and described tripping spring seat is fixed on described bonnet by described fixing screw.
Described O RunddichtringO it is provided with between described middle body and bonnet.
This utility model is had the benefit that
In this utility model, the back cover part of the spring brake chamber of described two-stage stroke includes middle body, bonnet, piston, tripping spring, tripping spring seat and tappet, described middle body and bonnet connect formation arrester, described piston is located in described arrester, described tappet is through described piston and is welded on described piston, described tripping spring seat it is provided with inside described bonnet, described tripping spring it is provided with between described piston and tripping spring seat, in described, internal portion is provided with opening, the described tappet described opening of traverse, it is positioned at described opening between described tappet and described middle body and is provided with O RunddichtringO, described bonnet be wrapped in described in external side, and be fixed together by positioning screw, bonnet has been abandoned traditional bolt connecting mode with the connection of middle body and have employed a kind of novel hasp and connect, the mode of screw location, thus there is compact conformation, assembling is simple, it is easy to the feature safeguarded, improve effect, raw material and standard component are saved, reduce the overall dimensions of product component, assembly space is expanded to greatest extent for user.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, this utility model is described in further detail.
Fig. 1 is the profile of the back cover part of the spring brake chamber of two-stage stroke described in the utility model.
The label that in figure, component names is corresponding is as follows:
1, middle body; 22, bonnet; 23, piston; 24, tripping spring; 25, tripping spring seat; 26, tappet; 29, opening; 30, O RunddichtringO; 34, V-shaped seal ring; 35, piston ring; 37, muffler.
Detailed description of the invention
Below in conjunction with drawings and Examples, this utility model is described in further detail:
The embodiment of back cover part as the spring brake chamber of two-stage stroke described in the utility model, as shown in Figure 1, including middle body 1, bonnet 22, piston 23, tripping spring 24, tripping spring seat 25 and tappet 26, described middle body 1 and bonnet 22 connect formation arrester (not shown), described piston 23 is located in described arrester (not shown), described tappet 26 is through described piston 23 and is welded on described piston 23, described bonnet 22 is internal is provided with described tripping spring seat 25, described tripping spring 24 it is provided with between described piston 23 and tripping spring seat 25, described middle body 1 is internal is provided with opening 29, the described tappet 26 described opening 29 of traverse, it is positioned at described opening 29 between described tappet 26 and described middle body 1 and is provided with O RunddichtringO 30, described bonnet 22 is wrapped in outside described middle body 1, and be fixed together by positioning screw 31, described bonnet has been abandoned traditional bolt connecting mode with the connection of middle body and have employed a kind of novel hasp and connect, the mode of screw location, thus there is compact conformation, assembling is simple, it is easy to the feature safeguarded, improve effect, raw material and standard component are saved, reduce the overall dimensions of product component, assembly space is expanded to greatest extent for user, the rear portion of described bonnet 22 is provided with muffler 37, described muffler 37 is welded on described bonnet 22, plenum interior is communicated in air by described muffler 37.
In the present embodiment, it is provided with V-shaped seal ring 34 and piston ring 35, design herein outside described piston 23 and between described bonnet 22, enhances the sealing between described piston and described bonnet, improve the overall merits and demerits performance of described spring brake chamber.
In the present embodiment, described bonnet 22 is provided with fixing screw (not shown), and described tripping spring seat 25 is fixed on described bonnet 22 by described fixing screw (not shown), design herein, enhance the fastness of described tripping spring seat 25 so that it is difficult drop-off.
In the present embodiment, it is provided with described O RunddichtringO 30, design herein between described middle body 1 and bonnet 22, enhances the sealing within described arrester (not shown), be conducive to the work of described spring brake chamber.
Claims (4)
1. the back cover part of the spring brake chamber of a two-stage stroke, it is characterized in that including middle body, bonnet, piston, tripping spring, tripping spring seat and tappet, described middle body and bonnet connect formation arrester, described piston is located in described arrester, described tappet is through described piston and is welded on described piston, described tripping spring seat it is provided with inside described bonnet, described tripping spring it is provided with between described piston and tripping spring seat, in described, internal portion is provided with opening, the described tappet described opening of traverse, it is positioned at described opening between described tappet and described middle body and is provided with O RunddichtringO, described bonnet be wrapped in described in external side, and be fixed together by positioning screw, the rear portion of described bonnet is provided with muffler, described muffler is welded on described bonnet, plenum interior is communicated in air by described muffler.
2. the back cover part of the spring brake chamber of two-stage stroke as claimed in claim 1, it is characterised in that be provided with V-shaped seal ring and piston ring outside described piston and between described bonnet.
3. the back cover part of the spring brake chamber of two-stage stroke as claimed in claim 2, it is characterised in that described bonnet is provided with fixing screw, and described tripping spring seat is fixed on described bonnet by described fixing screw.
4. the back cover part of the spring brake chamber of two-stage stroke as claimed in claim 1 or 2, it is characterised in that be provided with described O RunddichtringO between described middle body and bonnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620035746.0U CN205315565U (en) | 2016-01-14 | 2016-01-14 | Spring brake chamber's of two -stage stroke back cap spare |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620035746.0U CN205315565U (en) | 2016-01-14 | 2016-01-14 | Spring brake chamber's of two -stage stroke back cap spare |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205315565U true CN205315565U (en) | 2016-06-15 |
Family
ID=56204435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620035746.0U Expired - Fee Related CN205315565U (en) | 2016-01-14 | 2016-01-14 | Spring brake chamber's of two -stage stroke back cap spare |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205315565U (en) |
-
2016
- 2016-01-14 CN CN201620035746.0U patent/CN205315565U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160615 Termination date: 20200114 |