CN104139776B - A kind of braking is with putting valve interposed membrane soon and put valve soon - Google Patents
A kind of braking is with putting valve interposed membrane soon and put valve soon Download PDFInfo
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- CN104139776B CN104139776B CN201410356892.9A CN201410356892A CN104139776B CN 104139776 B CN104139776 B CN 104139776B CN 201410356892 A CN201410356892 A CN 201410356892A CN 104139776 B CN104139776 B CN 104139776B
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- diaphragm body
- soon
- boss structure
- valve
- putting
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- 239000012528 membrane Substances 0.000 title claims abstract description 34
- 238000013022 venting Methods 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 7
- 230000002401 inhibitory effect Effects 0.000 abstract description 2
- 238000013016 damping Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010926 purge Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Landscapes
- Details Of Valves (AREA)
- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Abstract
The present invention relates to a kind of braking with putting valve interposed membrane soon and put valve soon, include diaphragm body, the upper surface at described diaphragm body is provided with first boss structure; The center of described first boss structure and the center superposition of diaphragm body; The lower surface of diaphragm body is provided with the 2nd boss structure, the described center of the 2nd boss structure and the center superposition of diaphragm body. By to two the surperficial boss structures putting valve interposed membrane soon, inhibiting diaphragm to produce the situation of high frequency vibration when being subject to high pressure gas and impact.
Description
Technical field
The invention belongs to field of automobile brake, specifically refer to a kind of for putting valve interposed membrane soon and putting valve soon in pneumatic braking vehicle.
Background technology
Putting valve soon is applied in truck air pressure braking vehicle, and it is generally arranged in braking pipeline near braking air chamber place, plays the effect being vented fast when releasing braking, thus releases braking fast.
Now put valve arrangement soon as shown in Figure 1, during assembling, venting valve 5 is sticked on lower housing 2, sealing-ring 3 is placed in the sealing groove having in advance of upper housing 1, after diaphragm 4 is positioned on venting valve 5, use four is urgent through bolt 7 to bolt and spring washer 6, and above-mentioned assembling all requires two component center alignment.
During automobile brake, enter from the pressurized air of brake valve from inlet mouth A and put valve soon, diaphragm 4 is promoted tightly to push down venting valve 5 downwards, blow the surrounding of diaphragm 4 open simultaneously, make diaphragm edge 41 times curved, as shown in Figure 2, pressurized air, along the radial groove of lower housing 2, leads to the left and right air chamber being attached thereto through 2 air outlet B.
When automobile releases braking, discharge through the venting port of brake valve with the pressurized gas put soon in pipeline that valve is connected, promoting row on diaphragm 4 with the pressurized gas backflow putting the left and right air chamber that valve is connected soon, block inlet mouth A, the pressurized gas in air chamber enters rapidly air through venting port C.
As described above, putting valve soon when braking, from the gas of brake valve under the edge promoting diaphragm in curved process, high pressure gas is known from experience and is caused diaphragm to produce high frequency vibration, thus the air inlet producing to put soon valve is uttered long and high-pitched sounds.
Putting valve pressurized gas in air chamber when releasing braking soon and will promote row on diaphragm 4, this process can cause diaphragm to produce high frequency vibration, thus the exhaust producing to put soon valve is uttered long and high-pitched sounds.
Above-mentioned uttering long and high-pitched sounds is the main component putting valve air inlet and exhaust noise soon.
The exhaust noise putting valve soon in braking to solve, in recent years by putting an end installation damping equipment 8 under valve soon, as shown in Figure 3. Reduction is put valve exhaust noise by such technology soon certain use, but the air-flow noise produced when it only can reduce vent when releasing braking, what when can not reduce braking, diaphragm 4 high-frequency vibration produced utters long and high-pitched sounds. And after damping equipment has been installed, also have that to take space many, the problems such as cost height.
Summary of the invention
It is an object of the invention to by the structure putting diaphragm in valve soon being improved, when being reduced in braking or release braking, gas causes the high frequency of diaphragm to vibrate, and reduces noise.
The present invention is achieved by the following technical solutions:
A kind of braking, with putting valve interposed membrane soon, includes diaphragm body, and the upper surface at described diaphragm body is provided with first boss structure; The center of described first boss structure and the center superposition of described diaphragm body;
The lower surface of described diaphragm body is provided with the 2nd boss structure, the center of described 2nd boss structure and the center superposition of described diaphragm body;
At the upper surface of described diaphragm body, from the circumscribed circle of described first boss structure to described diaphragm body edges part, it is provided with at least two the first grooves extended from described diaphragm body center along radius direction; Described first groove is with the centrosymmetry of described diaphragm body;
At the lower surface of described diaphragm body, from the circumscribed circle of described 2nd boss structure to described diaphragm body edges part, it is provided with at least two the 2nd grooves extended from described diaphragm body center along radius direction; Described 2nd groove is with the centrosymmetry of described diaphragm body.
The degree of depth of described first groove reduces gradually from the circumscribed circle of described first boss structure to described diaphragm body edges direction.
The degree of depth of described 2nd groove reduces to the circumscribed circle direction of described 2nd bulge-structure gradually from described diaphragm body edges.
The spherical cap-shaped structure of described 2nd boss structure.
The circumscribed circle diameter of described first boss structure is greater than the circumscribed circle diameter of described 2nd boss structure.
The thickness of described first boss structure is not more than the thickness of described diaphragm body.
The thickness of described 2nd boss structure is not more than the thickness of described diaphragm body, and is less than the thickness of described first boss structure.
The cross section of the plane being parallel to described diaphragm body of described first boss structure is circle, trilateral, tetragon or Polygons.
A kind of braking with putting valve soon, include above-mentioned any one of brake and put valve interposed membrane, upper housing, lower housing, venting valve, sealing-ring and holding bolt soon with described;
Described upper housing is provided with inlet mouth, described upper housing is provided with screw, for through holding bolt;
Described lower housing is provided with, two air outlets, connects two air chambers of brake valve respectively; A venting port;
Described venting port connects described venting valve;
The described upper housing surface that contacts with lower housing is provided with sealing groove, and described sealing-ring is arranged in sealing groove;
Described valve interposed membrane of putting soon is arranged between described sealing-ring and described venting valve.
Described lower housing is provided with internal thread hole, fixes for same holding bolt.
The invention has the beneficial effects as follows:
1, by two the surperficial boss structures putting valve interposed membrane soon, inhibiting diaphragm to produce the situation of high frequency vibration when being subject to high pressure gas and impact.
2, by the spherical cap-shaped structure putting valve interposed membrane soon to the application so that from the gas of brake valve two air chamber backflows when impacting diaphragm, change the direction of power, play flow-disturbing effect, accordingly, it may be possible to reduce concentrating of the power to diaphragm, reduce the situation producing high frequency vibration.
3, by the technical scheme of the application, it is not necessary to use external damping equipment.
Accompanying drawing explanation
Fig. 1 puts valve arrangement exploded view soon for existing;
Fig. 2 is for existing valve interposed membrane of putting soon is by power schematic diagram;
Fig. 3 puts valve arrangement schematic diagram soon for existing;
Fig. 4 is the example structure schematic diagram that valve interposed membrane is put in the present invention soon.
Fig. 5 is the embodiment front view that valve interposed membrane is put in the present invention soon;
Fig. 6 is the embodiment vertical view that valve interposed membrane is put in the present invention soon;
Fig. 7 is the embodiment upward view that valve interposed membrane is put in the present invention soon.
Embodiment
Carrying out the technical scheme that the present invention is described in detail by the following examples, following embodiment is only exemplary, only can be used for explaining and illustrating the technical scheme of the present invention, and can not be interpreted as being the restriction to technical solution of the present invention.
In the application, following described upper surface refers in the face of the surface of upper housing is upper surface, in the face of the surface of lower housing is lower surface.
A kind of braking, with putting valve soon, includes and puts valve interposed membrane, upper housing, lower housing, venting valve, sealing-ring and holding bolt soon; Putting soon of the application is only that the existing diaphragm putting valve soon is carried out structure improvement in valve, and eliminates damping equipment, puts the same prior art of other structure of valve soon.
Upper housing is provided with inlet mouth, described upper housing is provided with 4 screws, for through holding bolt; Inlet mouth connects with gas source.
Lower housing is provided with, two air outlets, connects two air chambers of brake valve respectively; A venting port;
Described venting port connects venting valve; Vent valves is arranged in lower housing, is formed with space between purging valve and lower housing, and gas flows in this space.
The upper housing surface that contacts with lower housing is provided with sealing groove, and described sealing-ring is arranged in sealing groove;
Put valve interposed membrane soon to be arranged between sealing-ring and venting valve. Lower housing is provided with internal thread hole, fixes for same holding bolt.
As shown in Figures 4 to 7, with putting soon, valve interposed membrane is that rubber or macromolecular material or polyester material are processed in braking, includes diaphragm body 101, and the upper surface at described diaphragm body 101 is provided with first boss structure 111; The center of described first boss structure and the center superposition of diaphragm body;
Lower surface at described diaphragm body 101 is provided with the 2nd boss structure 113, the described center of the 2nd boss structure and the center superposition of diaphragm body.
At the upper surface of diaphragm body 101, from the circumscribed circle of the first boss structure 111 to diaphragm body edges part, it is provided with at least two the first grooves 112 extended from diaphragm body center along radius direction; Described first groove is with the centrosymmetry of diaphragm body; The degree of depth of the first groove reduces to diaphragm body edges direction gradually from the circumscribed circle of the first boss structure; Within nearly diaphragm body edges one end of first groove is arranged at the external diameter of inlet mouth. Above-mentioned vibrational power flow, the vibrational power flow that particularly degree of depth of the first groove reduces to diaphragm body edges direction gradually from the circumscribed circle of the first boss structure, when the brake is applied, the high pressure gas come by inlet mouth are understood some and are improved flow velocity by the first groove guides, being shortened by the time of the gas of such nominal volume, therefore, frequency reduces, and is conducive to noise decrease.
In the embodiment of the application, the first groove is 6, and all with the centrosymmetry of diaphragm body, in other embodiment of the application, the quantity of the first groove for being greater than 3, all can realize the technical scheme of the application.
At the lower surface of described diaphragm body 101, from the circumscribed circle of the 2nd boss structure 113 to diaphragm body edges part, it is provided with at least two the 2nd grooves 114 extended from diaphragm body center along radius direction; Described 2nd groove reduces to the circumscribed circle direction of the 2nd bulge-structure from diaphragm body edges gradually with the centrosymmetry of diaphragm body, the degree of depth of described 2nd groove; Nearly 2nd bulge-structure end of the 2nd groove be arranged at purging valve inner and outer wall between.
The vibrational power flow that 2nd groove is above-mentioned, the vibrational power flow that particularly degree of depth of described 2nd groove reduces to the circumscribed circle direction of the 2nd bulge-structure gradually from diaphragm body edges, when carrying out releasing braking, understand some by the high pressure gas of brake valve two air chamber backflows and improve flow velocity by the 2nd groove guides, being shortened by the time of the gas of such nominal volume, therefore, frequency reduces, and is conducive to noise decrease.
In the embodiment of the application, the 2nd groove is 6, and all with the centrosymmetry of diaphragm body, in other embodiment of the application, the quantity of the 2nd groove for being greater than 3, all can realize the technical scheme of the application.
The circumscribed circle diameter of the first boss structure is less than the diameter of inlet mouth, can ensure that high pressure gas enter like this and put valve soon. In the present embodiment, the cross section of the plane being parallel to described diaphragm body of the first boss structure is for circular, in the present embodiment, diaphragm body is a diameter phi 50mm, the column structure of thickness 2mm, in use produce acutely to utter long and high-pitched sounds, after through repeatedly simulation test, add a �� 30mm at diaphragm upper surface, the round boss of thickness 2mm, putting valve exhaust soon utters long and high-pitched sounds significantly weak, obtains good effect.
The thickness of the 2nd boss structure is not more than the thickness of diaphragm body, and is less than the thickness of the first boss structure. and in the present embodiment, the spherical cap-shaped structure of the 2nd boss structure. the usefulness of this structure is, when the high pressure gas flow-reversing impingement of two air chambers of control valve puts valve interposed membrane soon, because there being the spherical cap structure of interposed membrane lower surface, can produce to change to the direction of the power on impact, namely the direction of power is not carry out according to the direction Cheng Shu determined, but the direction of power changes and there is a flow-disturbing effect in the direction of original power, like this impact dynamics putting valve interposed membrane lower surface soon is had and weakened, but because energy conservation, can be supplied to again and put the enough lifting force of valve interposed membrane soon, to open purging valve, in this case, gas is when the space by putting soon between valve interposed membrane and purging valve, the vibrational frequency putting valve interposed membrane soon can be reduced, therefore, exhaust noise is corresponding reduction also.
In other embodiment of the application, the cross section of the plane being parallel to described diaphragm body of the first boss structure is trilateral, tetragon or Polygons, it is preferable to circular, this is because circle is conducive to diaphragm body stress equalization.
Although it has been shown and described that embodiments of the invention, for the ordinary skill in the art, being appreciated that and these embodiments can be carried out multiple change, amendment, replacement and modification without departing from the principles and spirit of the present invention, these equivalent form of values fall into the application's appended claims limited range equally. The scope of the present invention is by claims and equivalent limits.
Claims (10)
1. braking is with putting a valve interposed membrane soon, includes diaphragm body, and the upper surface at described diaphragm body is provided with first boss structure; The center of described first boss structure and the center superposition of described diaphragm body; It is characterized in that:
The lower surface of described diaphragm body is provided with the 2nd boss structure, the center of described 2nd boss structure and the center superposition of described diaphragm body;
At the upper surface of described diaphragm body, from the circumscribed circle of described first boss structure to described diaphragm body edges part, it is provided with at least two the first grooves extended from described diaphragm body center along radius direction; Described first groove is with the centrosymmetry of described diaphragm body;
At the lower surface of described diaphragm body, from the circumscribed circle of described 2nd boss structure to described diaphragm body edges part, it is provided with at least two the 2nd grooves extended from described diaphragm body center along radius direction; Described 2nd groove is with the centrosymmetry of described diaphragm body.
2. braking according to claim 1 is with putting valve interposed membrane soon, it is characterised in that: the degree of depth of described first groove reduces gradually from the circumscribed circle of described first boss structure to described diaphragm body edges direction.
3. braking according to claim 1 is with putting valve interposed membrane soon, it is characterised in that: the degree of depth of described 2nd groove reduces to the circumscribed circle direction of described 2nd bulge-structure gradually from described diaphragm body edges.
4. braking according to claim 1 is with putting valve interposed membrane soon, it is characterised in that: described 2nd boss structure is spherical cap-shaped structure.
5. braking according to claim 1 is with putting valve interposed membrane soon, it is characterised in that: the circumscribed circle diameter of described first boss structure is greater than the circumscribed circle diameter of described 2nd boss structure.
6. braking according to claim 1 is with putting valve interposed membrane soon, it is characterised in that: the thickness of described first boss structure is not more than the thickness of described diaphragm body.
7. braking according to claim 1 is with putting valve interposed membrane soon, it is characterised in that: the thickness of described 2nd boss structure is not more than the thickness of described diaphragm body, and is less than the thickness of described first boss structure.
8. braking according to claim 1 is with putting valve interposed membrane soon, it is characterised in that: the cross section of the plane being parallel to described diaphragm body of described first boss structure is circular or Polygons.
9. a braking is with putting valve soon, it is characterised in that: include braking according to any one of the claims 1 to 8 with putting valve interposed membrane, upper housing, lower housing, venting valve, sealing-ring and holding bolt soon;
Described upper housing is provided with inlet mouth, described upper housing is provided with screw, for through holding bolt;
Described lower housing is provided with, two air outlets, connects two air chambers of brake valve respectively; A venting port;
Described venting port connects described venting valve;
The described upper housing surface that contacts with lower housing is provided with sealing groove, and described sealing-ring is arranged in sealing groove;
Described valve interposed membrane of putting soon is arranged between described sealing-ring and described venting valve.
10. braking according to claim 9 is with putting valve soon, it is characterised in that: described lower housing is provided with internal thread hole, fixes for same holding bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410356892.9A CN104139776B (en) | 2014-07-24 | 2014-07-24 | A kind of braking is with putting valve interposed membrane soon and put valve soon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410356892.9A CN104139776B (en) | 2014-07-24 | 2014-07-24 | A kind of braking is with putting valve interposed membrane soon and put valve soon |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104139776A CN104139776A (en) | 2014-11-12 |
| CN104139776B true CN104139776B (en) | 2016-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410356892.9A Expired - Fee Related CN104139776B (en) | 2014-07-24 | 2014-07-24 | A kind of braking is with putting valve interposed membrane soon and put valve soon |
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| Country | Link |
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| CN (1) | CN104139776B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1733944A1 (en) * | 2005-06-15 | 2006-12-20 | Haldex Brake Corporation | Electronic park brake valve system for vehicles with air brakes |
| CN201300836Y (en) * | 2008-11-06 | 2009-09-02 | 东风汽车股份有限公司 | Two-way quick release valve |
| CN201544950U (en) * | 2009-11-11 | 2010-08-11 | 北汽福田汽车股份有限公司 | Combined relay valve assembly |
| CN201800708U (en) * | 2010-09-27 | 2011-04-20 | 浙江中铁机车部件有限公司 | Bi-pass quick release valve |
| CN201825032U (en) * | 2010-09-27 | 2011-05-11 | 浙江中铁机车部件有限公司 | Quick release valve assembly |
| CN203601261U (en) * | 2013-11-28 | 2014-05-21 | 安徽江淮汽车股份有限公司 | Quick release valve membrane and quick release valve |
-
2014
- 2014-07-24 CN CN201410356892.9A patent/CN104139776B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1733944A1 (en) * | 2005-06-15 | 2006-12-20 | Haldex Brake Corporation | Electronic park brake valve system for vehicles with air brakes |
| CN201300836Y (en) * | 2008-11-06 | 2009-09-02 | 东风汽车股份有限公司 | Two-way quick release valve |
| CN201544950U (en) * | 2009-11-11 | 2010-08-11 | 北汽福田汽车股份有限公司 | Combined relay valve assembly |
| CN201800708U (en) * | 2010-09-27 | 2011-04-20 | 浙江中铁机车部件有限公司 | Bi-pass quick release valve |
| CN201825032U (en) * | 2010-09-27 | 2011-05-11 | 浙江中铁机车部件有限公司 | Quick release valve assembly |
| CN203601261U (en) * | 2013-11-28 | 2014-05-21 | 安徽江淮汽车股份有限公司 | Quick release valve membrane and quick release valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104139776A (en) | 2014-11-12 |
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Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee after: ANHUI JIANGHUAI AUTOMOBILE GROUP Corp.,Ltd. Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee before: ANHUI JIANGHUAI AUTOMOBILE Co.,Ltd. |
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Granted publication date: 20160601 |
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