CN216761723U - Novel parking brake air chamber - Google Patents
Novel parking brake air chamber Download PDFInfo
- Publication number
- CN216761723U CN216761723U CN202122436264.XU CN202122436264U CN216761723U CN 216761723 U CN216761723 U CN 216761723U CN 202122436264 U CN202122436264 U CN 202122436264U CN 216761723 U CN216761723 U CN 216761723U
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- China
- Prior art keywords
- end cover
- parking brake
- air chamber
- piston assembly
- novel parking
- 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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- 238000009434 installation Methods 0.000 claims abstract description 14
- 238000004146 energy storage Methods 0.000 claims abstract description 9
- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 claims description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a novel parking brake air chamber which comprises a rear shell and an end cover on the front side of the rear shell, wherein a piston assembly is movably arranged in the rear shell, an inflation chamber is formed between one end of the piston assembly and the inner wall of the rear shell, an energy storage spring is arranged between the other end of the piston assembly and the end cover, an air inlet is formed in the rear shell, and breathing holes are formed in the end cover, wherein the outer surface of the end cover is used as an installation surface and is fixedly installed with a vehicle through four installation holes in the end cover, and the four installation holes are respectively positioned in four directions. According to the novel parking brake air chamber provided by the utility model, one flange surface of the hanging end cover is omitted, the outer surface of the end cover is used as a mounting surface, and the novel parking brake air chamber is directly mounted and fixed with a vehicle through four mounting holes in the end cover, so that the novel parking brake air chamber is simple and light in structure, the weight and the cost of a product are reduced, the space occupied by an assembly is reduced, the whole vehicle layout is facilitated, the mounting and the dismounting are easy, the strength is improved, the end cover is prevented from being broken, and the safety performance is ensured.
Description
Technical Field
The utility model relates to the technical field of automobile braking, in particular to a novel parking braking air chamber.
Background
The parking brake air chamber is used for parking brake of the commercial truck, compressed air in the parking air chamber is discharged for air-cut brake, and when the automobile stops, the pulling force released by the energy storage spring acts on the brake to keep the stopped automobile static.
In the prior art, a vertical flange surface is suspended from one side of an end cover to be fixedly mounted with a vehicle (as shown in fig. 1-2), and the design defects are as follows: the occupied space is large, the weight of the assembly is increased, the production cost is increased, the strength of the assembly is reduced, the end cover is easy to break under the action of the braking force, and potential safety hazards exist. Therefore, improvement in the structure thereof is required.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problem, the utility model provides a novel parking brake air chamber.
In order to achieve the above purpose, the utility model provides the following technical scheme:
the utility model provides a novel parking brake air chamber, includes the end cover of backshell and backshell front side, and its inside activity has piston assembly, forms a plenum chamber between piston assembly's one end and the inner wall of backshell, sets up an energy storage spring between piston assembly's the other end and the end cover, and the backshell is formed with the air inlet, is formed with the breathing hole on the end cover, wherein, the outside of end cover is as the installation face to it is fixed with the vehicle mounting through four mounting holes on the end cover, and four mounting holes are located four positions respectively.
Furthermore, in the novel parking brake chamber, the rear shell and the end cover are fixedly connected through four groups of bolts and nuts in a matched installation mode, and the installation position of each group of bolts and nuts is adjacent to one installation hole.
Furthermore, in the novel parking brake air chamber, the piston assembly is connected with a pull rod on the outer side of the end cover, and the pull rod performs parking brake through flexible connection and a connecting piece.
Furthermore, in the novel parking brake air chamber, the connecting piece adopts a quick clamp.
Furthermore, in the novel parking brake air chamber, the pull rod is connected with the flexible connection through the release nut.
Compared with the prior art, the utility model has the beneficial effects that:
according to the novel parking brake air chamber provided by the utility model, one flange surface of the hanging end cover is omitted, the outer surface of the end cover is used as a mounting surface, and the novel parking brake air chamber is directly mounted and fixed with a vehicle through four mounting holes in the end cover, so that the novel parking brake air chamber is simple and light in structure, the weight and the cost of a product are reduced, the space occupied by an assembly is reduced, the whole vehicle layout is facilitated, the mounting and the dismounting are easy, the strength is improved, the end cover is prevented from being broken, and the safety performance is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
Fig. 1 is a front view of a parking brake chamber of the related art.
FIG. 2 is a side view of a prior art parking brake chamber.
In FIGS. 1-2:
1-rear shell, 2-plenum chamber, 3-piston component, 4-energy storage spring, 5-breathing hole, 6-end cover, 7-pull rod, 8-release nut, 9-flexible connection, 10-connecting piece, 11-bolt nut, 12-air inlet and 13-mounting surface.
Fig. 3 is a front view of a novel parking brake chamber provided by an embodiment of the present invention.
FIG. 4 is a side view of a novel parking brake chamber provided by an embodiment of the present invention.
In FIGS. 3-4:
1-rear shell, 2-plenum chamber, 3-piston component, 4-energy storage spring, 5-breathing hole, 6-end cover, 7-pull rod, 8-release nut, 9-flexible connection, 10-connecting piece, 11-bolt nut, 12-air inlet, 13-mounting hole, and 14-mounting surface.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and examples.
As shown in fig. 3-4, the novel parking brake air chamber provided by the present invention includes a rear housing 1 and an end cover 6 at the front side of the rear housing 1, a piston assembly 3 is movably disposed in the rear housing, an inflation chamber 2 is formed between one end of the piston assembly 3 and the inner wall of the rear housing 1, an energy storage spring 4 is disposed between the other end of the piston assembly 3 and the end cover 6, an air inlet 12 is formed on the rear housing 1, and a breathing hole 5 is formed on the end cover 6, wherein the outer surface of the end cover 6 is used as a mounting surface and is mounted and fixed with a vehicle through four mounting holes 13 on the end cover 6, and the four mounting holes 13 are respectively located at four positions. Four mounting holes are selected and distributed in four directions, so that the aim of facilitating calibration and positioning is achieved, and the stability of mounting and fixing is improved.
Specifically, in the above-mentioned novel parking brake chamber, the rear shell 1 and the end cover 6 are fixedly installed in cooperation through four sets of bolt and nut 11, and the installation position of each set of bolt and nut 11 is adjacent to one installation hole 13.
Regarding the dynamic connection relation, in the novel parking brake air chamber, the piston assembly 3 is connected with the pull rod 7 on the outer side of the end cover, and the pull rod 7 performs parking brake through the flexible connection 9 and the connecting piece 10. The specific working process is as follows:
when the vehicle runs normally, compressed air is filled into the plenum chamber 2 through the air inlet 12, the piston assembly 3 is pushed to drive the energy storage spring 4 to keep a compressed state, and the vehicle runs normally.
When the vehicle stops, compressed air in the inflation chamber 2 is released, and the piston assembly 3 and the pull rod 7 connected with the piston assembly are driven by the pushing force of the energy storage spring 4, so that parking braking is carried out through the flexible connection 9 and the connecting piece 10.
In order to facilitate installation and connection, in the novel parking brake chamber, the connecting piece 10 adopts a quick clamp. Further, in the novel parking brake air chamber, the pull rod 7 is connected with the flexible connection 9 through the release nut 8.
According to the novel parking brake air chamber, one flange face of the end cover is omitted, the outer face of the end cover is used as the mounting face, and the novel parking brake air chamber is directly mounted and fixed with a vehicle through the four mounting holes in the end cover.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: it is to be understood that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof, but such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (5)
1. The utility model provides a novel parking brake air chamber, end cover (6) including backshell (1) and backshell (1) front side, its inside activity has piston assembly (3), forms one plenum chamber (2) between the one end of piston assembly (3) and the inner wall of backshell (1), sets up one energy storage spring (4) between the other end of piston assembly (3) and end cover (6), and backshell (1) is formed with air inlet (12), is formed with breathing hole (5) on end cover (6), a serial communication port, the outside of end cover (6) is as installation face (14) to it is fixed with the vehicle erection through four mounting hole (13) on end cover (6), and four mounting hole (13) are located four positions respectively.
2. The novel parking brake air chamber as claimed in claim 1, characterized in that the rear shell (1) and the end cover (6) are fixedly connected through four sets of bolt and nut (11) in a matched installation mode, and the installation position of each set of bolt and nut (11) is adjacent to one installation hole (13) respectively.
3. The novel parking brake air chamber is characterized in that the piston assembly (3) is connected with a pull rod (7) on the outer side of the end cover, and the pull rod (7) performs parking braking through a flexible connection (9) and a connecting piece (10).
4. A new type of parking brake chamber according to claim 3, characterized in that said connection element (10) is a quick snap.
5. A new type of parking brake chamber according to claim 3, characterized by the fact that said tie rod (7) is connected to the flexible connection (9) by means of a release nut (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122436264.XU CN216761723U (en) | 2021-10-11 | 2021-10-11 | Novel parking brake air chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122436264.XU CN216761723U (en) | 2021-10-11 | 2021-10-11 | Novel parking brake air chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216761723U true CN216761723U (en) | 2022-06-17 |
Family
ID=81954358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122436264.XU Expired - Fee Related CN216761723U (en) | 2021-10-11 | 2021-10-11 | Novel parking brake air chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216761723U (en) |
-
2021
- 2021-10-11 CN CN202122436264.XU patent/CN216761723U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220617 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |