CN205479043U - Can waterproof checking cylinder - Google Patents
Can waterproof checking cylinder Download PDFInfo
- Publication number
- CN205479043U CN205479043U CN201620304093.1U CN201620304093U CN205479043U CN 205479043 U CN205479043 U CN 205479043U CN 201620304093 U CN201620304093 U CN 201620304093U CN 205479043 U CN205479043 U CN 205479043U
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- China
- Prior art keywords
- mounting seat
- ring mounting
- dust
- waterproof
- checking cylinder
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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.)
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- Braking Arrangements (AREA)
- Transmission Of Braking Force In Braking Systems (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The utility model discloses a can waterproof checking cylinder, including braking cylinder body and protecgulum it constitutes to be provided with waterproof dirt catcher on the protecgulum, the shield covered in the front including fixed connection and setting straining dirt felt frame, strain dirt felt pan and sealing washer mount pad in the shield is constituteed to waterproof dirt catcher, it is connected with the shield to strain dirt felt frame, it fixes on straining dirt felt frame to strain the dirt felt pan, the sealing washer mount pad with strain dirt felt frame and be connected fixed being in the same place be provided with O shape sealing washer A between sealing washer mount pad and the shield inner wall. The utility model discloses a position that easily intakes at current checking cylinder sets up seal structure, and when preventing effectively that the checking cylinder from alleviating, the negative pressure that the rainwater formed in by the checking cylinder inhales in the cylinder body to play waterproof effect, improve the life of checking cylinder, ensure driving safety.
Description
Technical field
This utility model belongs to car braking cylinder technology field, particularly to a kind of waterproof checking cylinder.
Background technology
Railway vehicle braking cylinder is typically mounted at vehicle bottom, and car body can block rainwater and enter cylinder body, such as open-top car, box car etc..But some vehicles, such as flatcar, tank car, cementing truck etc., car body blocks checking cylinder the most completely, and rainwater is easy to pour checking cylinder, enters checking cylinder.
Existing goods train vehicle checking cylinder only has dust reduction capability, there is no water-proof function, checking cylinder is once drenched with rain in rainwater sky, rainwater easily flows into inside checking cylinder, particularly when checking cylinder is alleviated, there will be negative pressure on the right side of the piston of checking cylinder, rainwater is easier to be drawn in cylinder body, thus cause the pollution within checking cylinder and corrosion, it is substantially reduced the service life of checking cylinder, affects traffic safety.
Utility model content
Goal of the invention of the present utility model is: for the problem of above-mentioned existence, it is provided that one can effectively prevent rainwater from entering in checking cylinder, thus improves checking cylinder service life, it is ensured that the waterproof checking cylinder of traffic safety.
The technical solution of the utility model is achieved in that a kind of waterproof checking cylinder, including brake cylinder casing and protecgulum, it is characterized in that: on described protecgulum, be provided with waterproof dirt catcher composition, described waterproof dirt catcher composition includes the dust cap being fixedly connected on protecgulum and the filter dirt felt frame being arranged in dust cap, filter dirt felt pan and sealing ring mounting seat, the dust filtration felt frame is connected with dust cap, the dust filtration felt pan is fixed on filter dirt felt frame, described sealing ring mounting seat is connected and fixed with filter dirt felt frame, it is provided with O-ring seals A between described sealing ring mounting seat and dust cap inwall.
Waterproof checking cylinder described in the utility model, it is provided with at least three in described sealing ring mounting seat and installs tenon, the dust filtration felt frame is provided with and installs the installing hole of tenon corresponding matching, after the installation tenon of described sealing ring mounting seat inserts installing hole corresponding on filter dirt felt frame, sealing ring mounting seat is made to be joined together to form inseparable combined member with filtering dirt felt frame.
Waterproof checking cylinder described in the utility model, it is provided with the dust ring mounting seat for installing protecgulum filter konisphere in described protecgulum, described dust ring mounting seat is socketed on the piston rod of checking cylinder, in described dust ring mounting seat, between dust ring mounting seat and piston rod, it is provided with lips dust ring, in described dust ring mounting seat, between dust ring mounting seat and protecgulum, is provided with O-ring seals B.
This utility model is by arranging sealing structure in the position that existing checking cylinder is easily intake, and when effectively preventing checking cylinder from alleviating, in the negative pressure suction cylinder body that rainwater is formed in being braked cylinder, thus plays waterproof action, improves the service life of checking cylinder, it is ensured that traffic safety.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the enlarged drawing of waterproof dirt catcher composition in Fig. 1.
Fig. 3 is sealing ring mounting seat and the connection diagram filtering dirt felt frame in waterproof dirt catcher of the present utility model composition.
Fig. 4 is sealing ring mounting seat and the enlarged drawing filtering dirt felt frame junction in Fig. 3.
Fig. 5 is the waterproof schematic diagram of protecgulum end in this utility model.
Fig. 6 is the structural representation of dust ring mounting seat in this utility model.
Labelling in figure: 1 is brake cylinder casing, 2 is protecgulum, and 3 is waterproof dirt catcher composition, 4 is dust cap, and 5 is filter dirt felt frame, and 6 is filter dirt felt pan, 7 is sealing ring mounting seat, and 8 is O-ring seals A, and 9 for installing tenon, 10 filter konisphere for protecgulum, 11 is dust ring mounting seat, and 12 is piston rod, and 13 is lips dust ring, 14 is O-ring seals B, and 15 is release spring.
Detailed description of the invention
Below in conjunction with the accompanying drawings, this utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain this utility model, is not used to limit this utility model.
nullAs shown in figures 1 to 6，A kind of waterproof checking cylinder，Including brake cylinder casing 1 and protecgulum 2，Described protecgulum 2 is provided with waterproof dirt catcher composition 3，Described waterproof dirt catcher composition 3 includes the dust cap 4 being fixedly connected on protecgulum 2 and the filter dirt felt frame 5 being arranged in dust cap 4、Filter dirt felt pan 6 and sealing ring mounting seat 7，The dust filtration felt frame 5 is connected with dust cap 4，The dust filtration felt pan 6 is fixed on filter dirt felt frame 5，Described sealing ring mounting seat 7 is connected and fixed with filter dirt felt frame 5，It is provided with O-ring seals A8 between described sealing ring mounting seat 7 and dust cap 4 inwall，Described O-ring seals A can stop rainwater to pass through entrance cylinder body between dust cap and sealing ring mounting seat，When particularly checking cylinder is alleviated，Negative pressure is formed above filter dirt felt pan，If there is no O-ring seals A，Then rainwater will enter cylinder body.
Wherein, described sealing ring mounting seat 7 is provided with at least three tenon 9 is installed, the dust filtration felt frame 5 is provided with and installs the installing hole of tenon 9 corresponding matching, after the installation tenon 9 of described sealing ring mounting seat 7 inserts installing hole corresponding on filter dirt felt frame 5, sealing ring mounting seat 7 is made to be joined together to form inseparable combined member with filtering dirt felt frame 5.
As shown in Figure 5, the dust ring mounting seat 11 for installing protecgulum filter konisphere 10 it is provided with in described protecgulum 2, described dust ring mounting seat 11 is socketed on the piston rod 12 of checking cylinder, in described dust ring mounting seat 11, between dust ring mounting seat 11 and piston rod 12, it is provided with lips dust ring 13, described lips dust ring material is polyurethane, hardness is higher, reduces the friction with piston rod, it is possible to prevent rainwater from entering cylinder body at A；In described dust ring mounting seat 11, between dust ring mounting seat 11 and protecgulum 2, it is provided with O-ring seals B14, described O-ring seals B is arranged on the step of dust ring mounting seat, active force by release spring 15, O-ring seals B is made to deform, play sealing function, prevent rainwater from entering cylinder body at B between protecgulum and dust ring mounting seat.Protecgulum filter konisphere seals by O-ring seals B and lips dust ring, it is to avoid directly contact with air, the volatilization minimizing of the 89M grease that wherein stores, and oxidation deterioration slows down, beneficially the lubrication of piston rod and antirust.
This utility model carries out structure improvement for leaking area at A, B, C in Fig. 1 tri-, plays waterproof action by sealing the setting of structure, effectively prevents rainwater to the pollution within checking cylinder and corrosion, improve the service life of checking cylinder, it is ensured that traffic safety.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all any amendment, equivalent and improvement etc. made within spirit of the present utility model and principle, within should be included in protection domain of the present utility model.
Claims (3)
1. a waterproof checking cylinder, including brake cylinder casing (1) and protecgulum (2), it is characterized in that: on described protecgulum (2), be provided with waterproof dirt catcher composition (3), described waterproof dirt catcher composition (3) includes the dust cap (4) being fixedly connected on protecgulum (2) and filter dirt felt frame (5) being arranged in dust cap (4), filter dirt felt pan (6) and sealing ring mounting seat (7), the dust filtration felt frame (5) is connected with dust cap (4), the dust filtration felt pan (6) is fixed in filter dirt felt frame (5), described sealing ring mounting seat (7) is connected and fixed with filter dirt felt frame (5), it is provided with O-ring seals A(8) between described sealing ring mounting seat (7) and dust cap (4) inwall.
Waterproof checking cylinder the most according to claim 1, it is characterized in that: on described sealing ring mounting seat (7), be provided with at least three tenon (9) is installed, the dust filtration felt frame (5) is provided with and installs the installing hole of tenon (9) corresponding matching, after the installation tenon (9) of described sealing ring mounting seat (7) inserts the upper corresponding installing hole of filter dirt felt frame (5), sealing ring mounting seat (7) is made to be joined together to form inseparable combined member with filter dirt felt frame (5).
Waterproof checking cylinder the most according to claim 1 and 2, it is characterized in that: in described protecgulum (2), be provided with the dust ring mounting seat (11) for installing protecgulum filter konisphere (10), described dust ring mounting seat (11) is socketed on the piston rod (12) of checking cylinder, on described dust ring mounting seat (11), between dust ring mounting seat (11) and piston rod (12), it is provided with lips dust ring (13), on described dust ring mounting seat (11), between dust ring mounting seat (11) and protecgulum (2), is provided with O-ring seals B(14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620304093.1U CN205479043U (en) | 2016-04-13 | 2016-04-13 | Can waterproof checking cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620304093.1U CN205479043U (en) | 2016-04-13 | 2016-04-13 | Can waterproof checking cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205479043U true CN205479043U (en) | 2016-08-17 |
Family
ID=56639992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620304093.1U Active CN205479043U (en) | 2016-04-13 | 2016-04-13 | Can waterproof checking cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205479043U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106080559A (en) * | 2016-07-25 | 2016-11-09 | 眉山中车制动科技股份有限公司 | A kind of waterproof checking cylinder |
| WO2017177627A1 (en) * | 2016-04-13 | 2017-10-19 | 眉山中车制动科技股份有限公司 | Dustproof cover for brake cylinder and waterproof brake cylinder using dustproof cover |
| US11866016B2 (en) | 2020-09-10 | 2024-01-09 | Industrial Machine Service, Inc. | Gas-liquid separating gas exchange device |
-
2016
- 2016-04-13 CN CN201620304093.1U patent/CN205479043U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017177627A1 (en) * | 2016-04-13 | 2017-10-19 | 眉山中车制动科技股份有限公司 | Dustproof cover for brake cylinder and waterproof brake cylinder using dustproof cover |
| CN106080559A (en) * | 2016-07-25 | 2016-11-09 | 眉山中车制动科技股份有限公司 | A kind of waterproof checking cylinder |
| CN106080559B (en) * | 2016-07-25 | 2021-06-25 | 眉山中车制动科技股份有限公司 | Waterproof brake cylinder |
| US11866016B2 (en) | 2020-09-10 | 2024-01-09 | Industrial Machine Service, Inc. | Gas-liquid separating gas exchange device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |