CN204140727U - A kind of railway vehicle release of brake indicator - Google Patents

A kind of railway vehicle release of brake indicator Download PDF

Info

Publication number
CN204140727U
CN204140727U CN201420597979.0U CN201420597979U CN204140727U CN 204140727 U CN204140727 U CN 204140727U CN 201420597979 U CN201420597979 U CN 201420597979U CN 204140727 U CN204140727 U CN 204140727U
Authority
CN
China
Prior art keywords
piston
seat
spring
piston assembly
master cylinder
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 - Lifetime
Application number
CN201420597979.0U
Other languages
Chinese (zh)
Inventor
刘保华
田宇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Meisha Zhongke Brake Technology Co Ltd
Original Assignee
Sichuan Brake Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sichuan Brake Technology Co Ltd filed Critical Sichuan Brake Technology Co Ltd
Priority to CN201420597979.0U priority Critical patent/CN204140727U/en
Application granted granted Critical
Publication of CN204140727U publication Critical patent/CN204140727U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Braking Arrangements (AREA)

Abstract

The utility model discloses a kind of railway vehicle release of brake indicator, comprise piston body, cover plate and piston assembly, described piston body and cover plate link together and common formation one cavity, described piston assembly to be arranged in cavity and cavity to be divided into relatively independent two-part up and down, described cover plate is provided with inlet air pathway, described inlet air pathway one end is communicated with master cylinder, in its other end and cavity, part corresponding on the downside of piston assembly is communicated with, spring is provided with on the upside of described piston assembly, described piston assembly peripheral wall is provided with direction board, in described piston body side, direction board corresponding part is provided with opening.The utility model is when master cylinder braking or master cylinder are alleviated, piston is formed and moves to relevant position, thus make to be arranged on direction board on piston composition at the simple and clear braking demonstrating now master cylinder of the opening of piston body or relieved state, enable train inspection personnel understand the real-time status of master cylinder easily.

Description

A kind of railway vehicle release of brake indicator
Technical field
The utility model relates to a kind of railway vehicle release of brake indicator.
Background technique
Release of brake indicator in current railway vehicle, its structure is comparatively complicated, and component shaping operation difficulty is comparatively large, assembling difficulty, and vehicle badly run environment under, the instruction of braking or relieved state is cheer and bright not.
Model utility content
Goal of the invention of the present utility model is: for above-mentioned Problems existing, provides a kind of railway vehicle release of brake indicator that clearly can show the braking of train braking cylinder or relieved state.
The technical solution of the utility model is achieved in that a kind of railway vehicle release of brake indicator, it is characterized in that: comprise piston body, cover plate and piston assembly, described piston body and cover plate link together and common formation one cavity, described piston assembly to be arranged in cavity and cavity to be divided into relatively independent two-part up and down, described cover plate is provided with inlet air pathway, described inlet air pathway one end is communicated with master cylinder, in its other end and cavity, part corresponding on the downside of piston assembly is communicated with, spring is provided with on the upside of described piston assembly, described spring one end is resisted against piston assembly upper-end surface, its the other end is resisted against piston body inwall, described piston assembly peripheral wall is provided with direction board, in described piston body side, direction board corresponding part is provided with opening, described master cylinder is when relieved state, described piston assembly is in lowest order under the action of the spring, alleviation position on the corresponding direction board of described opening, described master cylinder is when braking state, the active force that described piston assembly overcomes spring is in highest order, retarder location on the corresponding direction board of described opening.
Railway vehicle release of brake indicator described in the utility model, piston assembly described in it comprises piston, piston seat and spring seat, described piston is in upside down spill, be fixedly connected with piston in the groove that described spring seat is arranged on piston, annular groove is formed between described spring seat and piston, described direction board is arranged on the circumferential surface of piston, described spring one end is resisted against on spring seat, described piston seat to be arranged in annular groove and to be fixedly connected with cover plate, and it is that an entirety moves up and down relative to piston seat that described spring seat is connected with piston.
Railway vehicle release of brake indicator described in the utility model, it is socketed with Y shape circle on described spring seat, and described Y shape circle is arranged between spring seat and piston seat, between described piston seat and cover plate, be provided with sealing gasket.
Railway vehicle release of brake indicator described in the utility model, it is disposed radially limited location boss at described piston seat upper end-face edge, described piston lower portion is provided with stop, fit in the end face of described stop and the surface of piston seat, the distance between the upper-end surface of described piston and piston body inwall is the maximum shift motion of piston.
The utility model structure is simple, adopt piston elevator mechanism, when master cylinder braking or master cylinder are alleviated, piston is formed and moves to relevant position, thus make to be arranged on direction board on piston composition at the simple and clear braking demonstrating now master cylinder of the opening of piston body or relieved state, enable train inspection personnel understand the real-time status of master cylinder easily.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Mark in figure: 1 is piston body, and 2 is cover plate, and 3 is cavity, and 4 is inlet air pathway, and 5 is spring, and 6 is direction board, and 7 is opening, and 8 is piston, and 9 is piston seat, and 10 is spring seat, and 11 is annular groove, and 12 is Y shape circle, and 13 is sealing gasket, and 14 is positive stop lug boss, and 15 is stop.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
In order to make the purpose of this utility model, technological scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, a kind of railway vehicle release of brake indicator, comprise piston body 1, cover plate 2 and piston assembly, described piston body 1 and cover plate 2 link together and common formation one cavity 3, described piston assembly to be arranged in cavity 3 and cavity 3 is divided into relatively independent two-part up and down, described cover plate 2 is provided with inlet air pathway 4, described inlet air pathway 4 one end is communicated with master cylinder, in its other end and cavity 3, part corresponding on the downside of piston assembly is communicated with, spring 5 is provided with on the upside of described piston assembly, described spring 5 one end is resisted against piston assembly upper-end surface, its the other end is resisted against piston body 1 inwall, described piston assembly peripheral wall is provided with direction board 6, in described piston body 1 side, direction board 6 corresponding part is provided with opening 7, described master cylinder is when relieved state, described piston assembly is in lowest order under the effect of spring 5, alleviation position on the corresponding direction board 6 of described opening 7, described master cylinder is when braking state, the active force that described piston assembly overcomes spring 5 is in highest order, retarder location on the corresponding direction board 6 of described opening 7.
Wherein, described piston assembly comprises piston 8, piston seat 9 and spring seat 10, described piston 8 is in upside down spill, be fixedly connected with piston 8 in the groove that described spring seat 10 is arranged on piston 8, annular groove 11 is formed between described spring seat 10 and piston 8, described direction board 6 is arranged on the circumferential surface of piston 8, described spring 5 one end is resisted against on spring seat 10, described piston seat 9 to be arranged in annular groove 11 and to be fixedly connected with cover plate 2, and it is that an entirety moves up and down relative to piston seat 9 that described spring seat 10 is connected with piston 8; Described spring seat 10 is socketed with Y shape circle 12, described Y shape circle 12 is arranged between spring seat 10 and piston seat 9, between described piston seat 9 and cover plate 2, be provided with sealing gasket 13, described Sealing and Y shape circle adopt cold and oil resistant rubber, guarantee product durable; Limited location boss 14 is disposed radially at described piston seat 9 upper end-face edge, described piston 8 bottom is provided with stop 15, fit in the end face of described stop 15 and the surface of piston seat 9, occur in moving process to prevent piston rocking and rotating, the distance between the upper-end surface of described piston 8 and piston body 1 inwall is the maximum shift motion of piston 8.
The utility model is arranged on vehicle by mounting plate, and when master cylinder is braked, piston overpowers spring force vertically rises, until a level altitude, piston stops, indicator for displaying " braking "; When master cylinder is alleviated, when brake-cylinder pressure is less than some values, piston starts to decline under spring force, until bottom, and indicator for displaying " alleviation ".
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.

Claims (4)

1. a railway vehicle release of brake indicator, it is characterized in that: comprise piston body (1), cover plate (2) and piston assembly, described piston body (1) and cover plate (2) link together and common formation one cavity (3), described piston assembly to be arranged in cavity (3) and cavity (3) is divided into relatively independent two-part up and down, described cover plate (2) is provided with inlet air pathway (4), described inlet air pathway (4) one end is communicated with master cylinder, in its other end and cavity (3), part corresponding on the downside of piston assembly is communicated with, spring (5) is provided with on the upside of described piston assembly, described spring (5) one end is resisted against piston assembly upper-end surface, its the other end is resisted against piston body (1) inwall, described piston assembly peripheral wall is provided with direction board (6), in described piston body (1) side, direction board (6) corresponding part is provided with opening (7), described master cylinder is when relieved state, described piston assembly is in lowest order under the effect of spring (5), alleviation position on described opening (7) corresponding direction board (6), described master cylinder is when braking state, the active force that described piston assembly overcomes spring (5) is in highest order, retarder location on described opening (7) corresponding direction board (6).
2. railway vehicle release of brake indicator according to claim 1, it is characterized in that: described piston assembly comprises piston (8), piston seat (9) and spring seat (10), described piston (8) is in upside down spill, be fixedly connected with piston (8) in the groove that described spring seat (10) is arranged on piston (8), annular groove (11) is formed between described spring seat (10) and piston (8), described direction board (6) is arranged on the circumferential surface of piston (8), described spring (5) one end is resisted against on spring seat (10), described piston seat (9) to be arranged in annular groove (11) and to be fixedly connected with cover plate (2), it is that an entirety moves up and down relative to piston seat (9) that described spring seat (10) is connected with piston (8).
3. railway vehicle release of brake indicator according to claim 2, it is characterized in that: on described spring seat (10), be socketed with Y shape circle (12), described Y shape circle (12) is arranged between spring seat (10) and piston seat (9), is provided with sealing gasket (13) between described piston seat (9) and cover plate (2).
4. the release of brake indicator of the railway vehicle according to Claims 2 or 3, it is characterized in that: be disposed radially limited location boss (14) at described piston seat (9) upper end-face edge, described piston (8) bottom is provided with stop (15), fit in the end face of described stop (15) and the surface of piston seat (9), the distance between the upper-end surface of described piston (8) and piston body (1) inwall is the maximum shift motion of piston (8).
CN201420597979.0U 2014-10-16 2014-10-16 A kind of railway vehicle release of brake indicator Expired - Lifetime CN204140727U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420597979.0U CN204140727U (en) 2014-10-16 2014-10-16 A kind of railway vehicle release of brake indicator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420597979.0U CN204140727U (en) 2014-10-16 2014-10-16 A kind of railway vehicle release of brake indicator

Publications (1)

Publication Number Publication Date
CN204140727U true CN204140727U (en) 2015-02-04

Family

ID=52417412

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420597979.0U Expired - Lifetime CN204140727U (en) 2014-10-16 2014-10-16 A kind of railway vehicle release of brake indicator

Country Status (1)

Country Link
CN (1) CN204140727U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110118232A (en) * 2019-05-29 2019-08-13 中车青岛四方车辆研究所有限公司 Detect brake lining, brake clamp cell failure detection device and detection method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110118232A (en) * 2019-05-29 2019-08-13 中车青岛四方车辆研究所有限公司 Detect brake lining, brake clamp cell failure detection device and detection method

Similar Documents

Publication Publication Date Title
CN209211369U (en) It is a kind of can vertical float vacuum sweeper sucker
CN204265165U (en) The safety tongs device of pneumatic elevator and pneumatic elevator
CN204140727U (en) A kind of railway vehicle release of brake indicator
CN105151034B (en) A kind of plunger type triple valve
CN201436423U (en) Air spring for high speed train bogie
CN202348817U (en) Anti-leakage hydraulic pressure spring oil cylinder
CN202901120U (en) Double-oil-taking mechanism of brake master cylinder
CN205001426U (en) Checking cylinder for railroad locomotive
CN204175840U (en) A kind of pictograph formula release of brake indicator
CN202484152U (en) Automobile wheel cylinder
CN203130851U (en) Hydraulic braking master pump
CN104047979B (en) The braking automobile oil cylinder improved
CN204196888U (en) A kind of exhaust valve
CN202711966U (en) Internal hanging type pedal switch
CN201951450U (en) Double-air chamber assembly
CN202628884U (en) Disc brake
CN202294782U (en) Quick release valve
CN205298458U (en) Reduction gear differential lock control unit
CN205446471U (en) Novel cast iron structure disc brake
CN201914244U (en) Oil cup of hydraulic brake system
CN203948528U (en) Improved braking automobile oil cylinder
CN202431816U (en) Brake calipers with integral structure of annunciators and yoke springs
CN203876741U (en) Push-type brake wheel cylinder
CN2848657Y (en) Emergency valve
CN203098668U (en) Single-piston wheel-brake cylinder sliding mechanism

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
CP01 Change in the name or title of a patent holder

Address after: Three road 620010 Meishan province Sichuan City Dongpo District of Meishan science and Technology Industrial Park No. 68

Patentee after: Meisha Zhongke Brake Technology Co., Ltd.

Address before: Three road 620010 Meishan province Sichuan City Dongpo District of Meishan science and Technology Industrial Park No. 68

Patentee before: Sichuan Brake Science and Technology Co. Ltd.