CN111795090A - Piston type brake chamber parking cavity spring positioning system - Google Patents
Piston type brake chamber parking cavity spring positioning system Download PDFInfo
- Publication number
- CN111795090A CN111795090A CN202010590681.7A CN202010590681A CN111795090A CN 111795090 A CN111795090 A CN 111795090A CN 202010590681 A CN202010590681 A CN 202010590681A CN 111795090 A CN111795090 A CN 111795090A
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- China
- Prior art keywords
- piston
- spring
- boss
- cylinder body
- positioning seat
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- 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.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/02—Fluid pressure
- F16D2121/04—Fluid pressure acting on a piston-type actuator, e.g. for liquid pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2125/00—Components of actuators
- F16D2125/02—Fluid-pressure mechanisms
- F16D2125/06—Pistons
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2125/00—Components of actuators
- F16D2125/02—Fluid-pressure mechanisms
- F16D2125/08—Seals, e.g. piston seals
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
A spring positioning system of a piston type brake air chamber parking cavity belongs to the technical field of spring positioning systems. The center of the bottom of the piston is a central boss, an arc-shaped bulge and a small circular boss are respectively arranged on the periphery of the central boss, a spring positioning seat is arranged in the cylinder body opposite to the central boss, a plastic positioning ring is arranged on the spring positioning seat, and a strong spring is arranged between the bottom of the piston and the plastic positioning ring. According to the invention, the upper end face of the strong spring is positioned by the small circular boss through the central boss and the arc-shaped bulge in the piston so as to be concentric with the center of the piston all the time in the motion process, and the lower end face of the spring is concentric with the cylinder body all the time through the spring positioning seat at the bottom of the cylinder body and the plastic positioning ring on the positioning seat, so that the lower end face of the strong spring is concentric with the center of the piston so as to achieve the effect that the whole strong spring is concentric with the piston and the cylinder body all the time in the motion process, the stability of the output force of the piston air chamber parking cavity is effectively improved, and the.
Description
Technical Field
The invention relates to a spring positioning system for a piston type brake air chamber parking cavity, and belongs to the technical field of spring positioning systems.
Background
A strong spring in a parking cavity of an existing piston type brake air chamber moves between a piston and the bottom of a cylinder body after being assembled, and the end faces of two ends of the strong spring are easily out of concentricity in the moving process to cause spring deflection to influence the output force of the parking cavity and the service life of the spring.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and further provides a spring positioning system for a piston type brake air chamber parking cavity.
The purpose of the invention is realized by the following technical scheme:
a piston brake chamber parking chamber spring positioning system, comprising: the piston, powerful spring, the plastics position circle, the spring positioning seat, the cylinder body, Y type sealing washer, central boss, arc arch and little circular boss, the piston sets up in the cylinder body, be equipped with Y type sealing washer between piston and the cylinder body, the piston is the aluminum alloy die casting, the center of piston bottom is central boss, the periphery of central boss is equipped with arc arch and little circular boss respectively, be equipped with the spring positioning seat in the cylinder body that central boss is relative, be equipped with the plastics position circle on the spring positioning seat, install powerful spring between the bottom of piston and the plastics position circle.
The invention has the beneficial effects that:
according to the invention, the central boss and the arc-shaped bulge in the piston are used for positioning the upper end face of the strong spring so that the upper end face of the strong spring is always concentric with the center of the piston in the motion process, the lower end face of the strong spring is always concentric with the cylinder body (the cylinder body and the piston are concentric through the guide part of the Y-shaped sealing ring on the piston) through the spring positioning seat at the bottom of the cylinder body and the plastic positioning ring on the positioning seat, and further the lower end face of the strong spring is concentric with the center of the piston so that the whole strong spring is always concentric with the piston and the cylinder body in the motion process, the stability of the output force of the parking cavity of the air chamber of the piston is.
Drawings
FIG. 1 is a schematic structural view of a piston brake chamber parking chamber spring positioning system of the present invention.
Fig. 2 is a schematic structural view of the plastic retainer ring.
Fig. 3 is a view from direction a of fig. 2.
Fig. 4 is a schematic view of the spring positioning seat.
The reference numerals in the figure, 1 is a piston, 2 is a powerful spring, 3 is a plastic positioning ring, 4 is a spring positioning seat, 5 is a cylinder body, 6 is a Y-shaped sealing ring, 11 is a central boss, 12 is an arc-shaped boss, 13 is a small circular boss, 31 is a gradual change type arc-shaped boss, 32 is a central circular boss, 33 is a boss at the bottom, 41 is a positioning circular boss, and 42 is a hole on a plane.
Detailed Description
The invention will be described in further detail below with reference to the accompanying drawings: the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation is given, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1 to 4, a piston brake chamber spring positioning system according to the present embodiment includes: piston 1, powerful spring 2, plastics position circle 3, spring positioning seat 4, cylinder body 5, Y type sealing washer 6, central boss 11, protruding 12 of arc and small circle boss 13, piston 1 sets up in cylinder body 5, be equipped with Y type sealing washer 6 between piston 1 and the cylinder body 5, piston 1 is the aluminum alloy die casting, the center of 1 bottom of piston is central boss 11, the periphery of central boss 11 is equipped with protruding 12 of arc and small circle boss 13 respectively, be equipped with spring positioning seat 4 in the relative cylinder body 5 of central boss 11, be equipped with plastics position circle 3 on the spring positioning seat 4, install powerful spring 2 between piston 1's bottom and the plastics position circle 3.
As shown in fig. 2 to 4, the lower end surface of the strong spring 2 is positioned by a gradual change type arc boss 31 which is attached to the shape of the lower end surface of the strong spring 2 on the plastic positioning ring 3, so that the lower end surface of the strong spring 2 is concentric with the plastic positioning ring 3 all the time; the inner hole of the circular boss 32 at the center of the plastic positioning ring 3 is sleeved on the circular boss 41 at the center of the spring positioning seat 4, so that the plastic positioning ring 3 is concentric with the spring positioning seat 4, and the boss 33 at the bottom of the plastic positioning ring 3 is matched with the hole 42 on the plane of the spring positioning seat 4 to fix the plastic positioning ring 3 so that the plastic positioning ring cannot rotate. The spring positioning seat 4 is concentric with the cylinder body by positioning the threaded hole on the spring positioning ring 3 and the straight hole at the bottom of the cylinder body 5.
In conclusion, the piston and the spring of the whole piston air chamber in the working state of the parking cavity are realized, and the piston and the cylinder are always in a concentric state.
The above description is only a preferred embodiment of the present invention, and these embodiments are based on different implementations of the present invention, and the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (2)
1. A piston brake chamber parking chamber spring positioning system, comprising: piston (1), powerful spring (2), plastics position circle (3), spring positioning seat (4), cylinder body (5), Y type sealing washer (6), central boss (11), arc arch (12) and small circle boss (13), piston (1) sets up in cylinder body (5), be equipped with Y type sealing washer (6) between piston (1) and cylinder body (5), piston (1) is the aluminum alloy die casting, the center of piston (1) bottom is central boss (11), the periphery of central boss (11) is equipped with arc arch (12) and small circle boss (13) respectively, be equipped with spring positioning seat (4) in cylinder body (5) that central boss (11) is relative, be equipped with plastics position circle (3) on spring positioning seat (4), install powerful spring (2) between the bottom of piston (1) and plastics position circle (3).
2. The piston type brake air chamber parking cavity spring positioning system as claimed in claim 1, wherein the lower end surface of the strong spring (2) is positioned through a gradual change type arc-shaped boss (31) which is arranged on the plastic positioning ring (3) and is attached to the shape of the lower end surface of the strong spring (2), so that the lower end surface of the strong spring (2) is always concentric with the plastic positioning ring (3); the inner hole of the circular boss (32) at the center of the plastic positioning ring (3) is sleeved on the circular boss (41) at the center of the spring positioning seat (4) to enable the plastic positioning ring (3) and the spring positioning seat (4) to be concentric, and the boss (33) at the bottom of the plastic positioning ring (3) is matched with the hole (42) on the plane of the spring positioning seat (4) to fix the plastic positioning ring (3) so that the plastic positioning ring can not rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010590681.7A CN111795090A (en) | 2020-06-24 | 2020-06-24 | Piston type brake chamber parking cavity spring positioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010590681.7A CN111795090A (en) | 2020-06-24 | 2020-06-24 | Piston type brake chamber parking cavity spring positioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111795090A true CN111795090A (en) | 2020-10-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010590681.7A Pending CN111795090A (en) | 2020-06-24 | 2020-06-24 | Piston type brake chamber parking cavity spring positioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111795090A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0336600A1 (en) * | 1988-03-26 | 1989-10-11 | Bendix Limited | Retention means for components of pressure retaining vessels |
| CN101896380A (en) * | 2007-12-18 | 2010-11-24 | 罗伯特·博世有限公司 | Pressure accumulator, especially for a hydraulic unit of a hydraulic vehicle braking system with electronic wheel slip regulation |
| CN201963779U (en) * | 2010-12-22 | 2011-09-07 | 芜湖盛力制动有限责任公司 | Diaphragm type spring braking air chamber of truck braking system |
| US20150276511A1 (en) * | 2014-04-01 | 2015-10-01 | Indian Head Industries, Inc. | Method of identifying and reducing lateral force of a coil spring |
| CN105387102A (en) * | 2015-12-17 | 2016-03-09 | 芜湖盛力科技股份有限公司 | Piston of spring brake air chamber parking cavity of truck braking system |
| CN107054329A (en) * | 2015-10-05 | 2017-08-18 | 株式会社万都 | Brake fluid system |
| US20170334467A1 (en) * | 2014-11-27 | 2017-11-23 | Siemens Ag Oesterreich | Spring Cup for A Primary Suspension of a Rail Vehicle |
| CN207916486U (en) * | 2016-10-21 | 2018-09-28 | 悬挂***股份有限公司 | It is used to support the support plate of the pillar of vehicle suspension spring |
| CN110219912A (en) * | 2019-05-20 | 2019-09-10 | 嘉兴润通汽车配件有限公司 | A kind of tripping spring location structure of parking braking gas chamber |
-
2020
- 2020-06-24 CN CN202010590681.7A patent/CN111795090A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0336600A1 (en) * | 1988-03-26 | 1989-10-11 | Bendix Limited | Retention means for components of pressure retaining vessels |
| CN101896380A (en) * | 2007-12-18 | 2010-11-24 | 罗伯特·博世有限公司 | Pressure accumulator, especially for a hydraulic unit of a hydraulic vehicle braking system with electronic wheel slip regulation |
| CN201963779U (en) * | 2010-12-22 | 2011-09-07 | 芜湖盛力制动有限责任公司 | Diaphragm type spring braking air chamber of truck braking system |
| US20150276511A1 (en) * | 2014-04-01 | 2015-10-01 | Indian Head Industries, Inc. | Method of identifying and reducing lateral force of a coil spring |
| US20170334467A1 (en) * | 2014-11-27 | 2017-11-23 | Siemens Ag Oesterreich | Spring Cup for A Primary Suspension of a Rail Vehicle |
| CN107054329A (en) * | 2015-10-05 | 2017-08-18 | 株式会社万都 | Brake fluid system |
| CN105387102A (en) * | 2015-12-17 | 2016-03-09 | 芜湖盛力科技股份有限公司 | Piston of spring brake air chamber parking cavity of truck braking system |
| CN207916486U (en) * | 2016-10-21 | 2018-09-28 | 悬挂***股份有限公司 | It is used to support the support plate of the pillar of vehicle suspension spring |
| CN110219912A (en) * | 2019-05-20 | 2019-09-10 | 嘉兴润通汽车配件有限公司 | A kind of tripping spring location structure of parking braking gas chamber |
Non-Patent Citations (1)
| Title |
|---|
| 佳之: "汽车制动气室的安装", 《汽车技术》 * |
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Application publication date: 20201020 |