CN207106482U - Railway freight-car and its air brake valve - Google Patents
Railway freight-car and its air brake valve Download PDFInfo
- Publication number
- CN207106482U CN207106482U CN201721112030.7U CN201721112030U CN207106482U CN 207106482 U CN207106482 U CN 207106482U CN 201721112030 U CN201721112030 U CN 201721112030U CN 207106482 U CN207106482 U CN 207106482U
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- Prior art keywords
- air draft
- valve
- air
- railway freight
- brake valve
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- 238000005259 measurement Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000007689 inspection Methods 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
It the utility model is related to rail vehicle field, disclose a kind of railway freight-car and its air brake valve, the air brake valve includes valve body and air draft portion, the air draft portion includes air draft hood pad, mounting groove is provided with the valve body, and the air draft portion also includes the exhaust valve removably with snap-in being installed in the mounting groove and the connector for the air draft hood pad being installed on the exhaust valve.The air draft portion of the air brake valve easily can pull down and be installed on valve body from valve body, be easy to carry out maintenance and inspection to air brake valve.
Description
Technical field
Rail vehicle field is the utility model is related to, in particular it relates to a kind of railway freight-car and its air brake valve.
Background technology
Existing railway freight-car air brake valve is shown in Fig. 1, referring to Fig. 1, for the institute of air draft portion of air brake valve
In the sectional view of opening position, the air brake valve includes valve body 1 and air draft portion, wherein, air draft portion includes air draft hood pad 3 and pin
Nail, the pin is rushed on valve body 1 through air draft hood pad 3 and riveting, so as to which air draft hood pad 3 is compressed on valve body 1, due to pin
Nail is that riveting is rushed on valve body 1, therefore, more difficult when needing to dismantle air draft portion.For example, air brake valve is examined
When looking into or testing, in order to ensure the accuracy of air brake valve test data, it is necessary to by pin and air draft hood pad 3 from air damping
Pull down on valve and air brake valve integrally tested again, it is to be tested it is qualified after, then re-start assembling and be installed on train,
This may have influence on the performance of air brake valve, also, the pin dismounting of riveting punching is relatively difficult, and be overhauled in air brake valve
Afterwards, can not be re-used after pin dismounting is lower.
Utility model content
The purpose of this utility model is to provide a kind of air brake valve of railway freight-car and has the air brake valve
Railway freight-car, the air draft portion of the air brake valve easily can pull down and be installed on valve body from valve body, be easy to sky
Air brake valve carries out maintenance and inspection.
To achieve these goals, the utility model provides a kind of air brake valve of railway freight-car, the railway freight-car
Air brake valve include valve body and air draft portion, the air draft portion includes air draft hood pad, is provided with mounting groove on the valve body, institute
Stating air draft portion also includes removably with snap-in being installed on exhaust valve in the mounting groove and for by the exhaust hood
Pad is installed on the connector on the exhaust valve.
Preferably, the mounting groove is formed fluted at the inwall close to outside, and the air draft portion also includes elasticity gear
Circle, the circlip are caught in the groove, the exhaust valve are limited in the mounting groove.
Preferably, the groove is formed as ring-type around the inwall of the mounting groove, and the circlip is used for gauge orifice
Circlip.
Preferably, the inside in the air draft portion and the valve are connected formed with passage, the passage on the exhaust valve
The steam vent of body.
Preferably, the axis around the exhaust valve on the exhaust valve is evenly equipped with multiple passages.
Preferably, the air draft hood pad is removably installed in the exhaust valve.
Preferably, the connector is pin, formed with pin via hole on the air draft hood pad, is formed on the exhaust valve
There is pin mounting hole, the pin is installed in the pin mounting hole through the pin via hole, by the air draft hood pad
It is installed on the exhaust valve.
Preferably, the valve body is being also formed with air draft hood pad holding tank, the air draft on the outside of the mounting groove
Hood pad is contained in the air draft hood pad holding tank.
On the other hand, the utility model additionally provides a kind of railway freight-car, and the railway freight-car includes new according to this practicality
The air brake valve of the railway freight-car of type.
Pass through above-mentioned technical proposal, in the air brake valve of railway freight-car of the present utility model, air draft portion sets up air draft
Valve, air draft hood pad are connected to exhaust valve by connector, and exhaust valve then removably with snap-in installs the installation with valve body
In groove, the above-mentioned mounting means of exhaust valve enables exhaust valve is more convenient to be quickly installed on valve body or torn open from valve body
Under, then install or pull down together with by air draft hood pad, compared with existing air brake valve, both remained air draft portion row
Except pressure air and the function inside sand and dust air inlet brake valve is prevented, while also air draft portion is easily dismounted, it is convenient empty
The maintenance of air brake valve, advantageously ensure that the accuracy of air brake valve experiment.
Other features and advantages of the utility model will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Accompanying drawing is to be further understood for providing to of the present utility model, and a part for constitution instruction, and following
Embodiment be used to explain the utility model together, but do not form to limitation of the present utility model.In the accompanying drawings：
Fig. 1 is the partial sectional view according to the air brake valve of the railway freight-car of prior art；
Fig. 2 is the partial sectional view according to the air brake valve of railway freight-car of the present utility model.
Description of reference numerals
The exhaust valve of 1 valve body 2
The circlip of 3 air draft hood pad 4
The mounting groove of 5 connector 6
The passage of 7 groove 8
Embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.It should be appreciated that herein
Described embodiment is merely to illustrate and explained the utility model, is not limited to the utility model.
In the utility model, in the case where not making opposite explanation, the noun of locality such as " upper and lower " used typically refers to join
Examine shown in the drawings upper and lower；" inside and outside " refers to the inside and outside of the profile relative to each part in itself.
The utility model provides a kind of air brake valve of railway freight-car, and the air brake valve of the railway freight-car includes
Valve body 1 and air draft portion, the air draft portion include air draft hood pad 3, wherein, mounting groove 6, the air draft are provided with the valve body 1
Portion also includes the exhaust valve 2 removably with snap-in being installed in the mounting groove 6 and for the air draft hood pad 3 to be pacified
Loaded on the connector 5 on the exhaust valve 2.
In the air brake valve of railway freight-car of the present utility model, air draft portion sets up exhaust valve 2, and air draft hood pad 3 passes through
Connector 5 is connected to exhaust valve 2, exhaust valve 2 then removably with snap-in install with the mounting groove of valve body 16, exhaust valve
2 above-mentioned mounting means enables exhaust valve 2 is more convenient to be quickly installed on valve body 1 or pulled down from valve body 1, then
Install or pull down together with by air draft hood pad 3, compared with existing air brake valve, both remained air draft portion pressure release
Air and prevent the function inside sand and dust air inlet brake valve, while also air draft portion is easily dismounted, facilitate air damping
The maintenance of valve, advantageously ensure that the accuracy of air brake valve experiment.
Specifically, in the embodiment shown in Fig. 2, the mounting groove 6 forms fluted at the inwall close to outside
7, the air draft portion also includes circlip 4, and the circlip 4 is caught in the groove 7, the exhaust valve 2 is limited to
In the mounting groove 6, wherein, the size of circlip 4 can be slightly larger than the size of groove 7, so that circlip 4 is more reliable
Ground is caught in groove 7, when installing air draft portion, exhaust valve 2 is filled in mounting groove 6, circlip 4 then is squeezed into groove 7
Middle to block, then circlip 4 limits exhaust valve 2 in mounting groove 6.
Certainly, it will be appreciated by persons skilled in the art that except setting groove 7 and circlip 4 shown in Fig. 2
Mode, air draft portion are also designed to other any appropriate structures, to realize that implementation exhaust valve 2 can in the mounting groove 6
Releasably and and it is snap-in install, for example, the mounting groove 6 at the inwall close to outside formed with buckling groove, correspondingly
Set clamping raised on the outer wall of exhaust valve 2, and the bottom of exhaust valve 2 sets dismounting draw ring.
Further, in order that exhaust valve 2 is more reliably installed in mounting groove 6, the groove 7 surrounds the mounting groove
6 inwall can be formed as ring-type, and the circlip 4 is circlip for hole, such as O-shaped circlip.
In addition, connect the inside in the air draft portion and the valve formed with passage 8, the passage 8 on the exhaust valve 2
The steam vent of body 1, so as to ensure the effect of the pressure release structure in air draft portion.
Specifically, around the axis of the exhaust valve 2, (exhaust valve 2 is along the vertical direction in Fig. 2 on the exhaust valve 2
Center line) be evenly equipped with multiple passages 8.
Preferably, meanwhile, the air draft hood pad 3 is repaired and changed when needed for convenience, and the air draft hood pad 3 is removable
It is installed on the exhaust valve 2 with unloading.
For example, as a kind of simple mode, the connector 5 is pin, is led on the air draft hood pad 3 formed with pin
Hole, the pin mounting hole is installed on through the pin via hole formed with pin mounting hole, the pin on the exhaust valve 2
In, the air draft hood pad 3 is installed on the exhaust valve 2.
Also, in order to which the function of preventing sand and dust air inlet brake valve of air draft hood pad 3 is better achieved, it is preferable that institute
State valve body 1 and be also formed with air draft hood pad holding tank, the exhaust hood positioned at the outside of the mounting groove 6 (downside in Fig. 2)
Pad 3 is contained in the air draft hood pad holding tank, for example, the cross section of edge (in Fig. 2) horizontal direction of exhaust hood holding tank with
The shape of air draft hood pad 3 matches so that air draft hood pad 3 is stuck in air draft hood pad holding tank just.
On the other hand, the utility model additionally provides a kind of railway freight-car, and the railway freight-car includes new according to this practicality
The air brake valve of the railway freight-car of type.
Preferred embodiment of the present utility model, still, the utility model and unlimited is described in detail above in association with accompanying drawing
Detail in above-mentioned embodiment, can be to skill of the present utility model in range of the technology design of the present utility model
Art scheme carries out a variety of simple variants, and these simple variants belong to the scope of protection of the utility model.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, it can be combined by any suitable means, in order to avoid unnecessary repetition, the utility model is to each
The possible combination of kind no longer separately illustrates.
In addition, it can also be combined between a variety of embodiments of the present utility model, as long as it is not disobeyed
Thought of the present utility model is carried on the back, it should equally be considered as content disclosed in the utility model.
Claims (9)
1. a kind of air brake valve of railway freight-car, the air brake valve includes valve body (1) and air draft portion, the air draft portion bag
Include air draft hood pad (3), it is characterised in that mounting groove (6) is provided with the valve body (1), the air draft portion also includes detachable
Ground and snap-in the exhaust valve (2) being installed in the mounting groove (6) and described for the air draft hood pad (3) to be installed on
Connector (5) on exhaust valve (2).
2. the air brake valve of railway freight-car according to claim 1, it is characterised in that the mounting groove (6) is close
Formed at the inwall in outside fluted (7), the air draft portion also includes circlip (4), and the circlip (4) is caught in described recessed
In groove (7), the exhaust valve (2) is limited in the mounting groove (6).
3. the air brake valve of railway freight-car according to claim 2, it is characterised in that the groove (7) is around described
The inwall of mounting groove (6) is formed as ring-type, and the circlip (4) is standard circlip for hole.
4. the air brake valve of the railway freight-car according to any one in claim 1-3, it is characterised in that the air draft
On valve (2) inside in the air draft portion and the steam vent of the valve body (1) are connected formed with passage (8), the passage (8).
5. the air brake valve of railway freight-car according to claim 4, it is characterised in that in the exhaust valve (2) upper measurement
Multiple passages (8) are evenly equipped with around the axis of the exhaust valve (2).
6. the air brake valve of the railway freight-car according to any one in claim 1-3, it is characterised in that the air draft
Hood pad (3) is removably installed in the exhaust valve (2).
7. the air brake valve of railway freight-car according to claim 6, it is characterised in that the connector (5) is pin,
Formed with pin via hole on the air draft hood pad (3), passed through on the exhaust valve (2) formed with pin mounting hole, the pin
The pin via hole is installed in the pin mounting hole, and the air draft hood pad (3) is installed on the exhaust valve (2).
8. the air brake valve of the railway freight-car according to any one in claim 1-3, it is characterised in that the valve body
(1) air draft hood pad holding tank is being also formed with the outside of the mounting groove (6), the air draft hood pad (3) is contained in described
In air draft hood pad holding tank.
9. a kind of railway freight-car, it is characterised in that the railway freight-car is included according to any one in claim 1-8
The air brake valve of railway freight-car.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721112030.7U CN207106482U (en) | 2017-09-01 | 2017-09-01 | Railway freight-car and its air brake valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721112030.7U CN207106482U (en) | 2017-09-01 | 2017-09-01 | Railway freight-car and its air brake valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207106482U true CN207106482U (en) | 2018-03-16 |
Family
ID=61573862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721112030.7U Active CN207106482U (en) | 2017-09-01 | 2017-09-01 | Railway freight-car and its air brake valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207106482U (en) |
-
2017
- 2017-09-01 CN CN201721112030.7U patent/CN207106482U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100011 Beijing, Dongcheng District Anwai Binhe West Road No. 22 Shenhua building Co-patentee after: Shenhua Railway Equipment Co.,Ltd. Patentee after: China Shenhua Energy Co.,Ltd. Co-patentee after: Meishan CRRC Brake Science & Technology Co.,Ltd. Address before: 100011 Beijing, Dongcheng District Anwai Binhe West Road No. 22 Shenhua building Co-patentee before: SHENHUA RAIL AND FREIGHT WAGONS TRANSPORT Co.,Ltd. Patentee before: China Shenhua Energy Co.,Ltd. Co-patentee before: Meishan CRRC Brake Science & Technology Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |