CN104097627B - The interposed membrane of a kind of quick release valve and quick release valve - Google Patents
The interposed membrane of a kind of quick release valve and quick release valve Download PDFInfo
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- CN104097627B CN104097627B CN201410356962.0A CN201410356962A CN104097627B CN 104097627 B CN104097627 B CN 104097627B CN 201410356962 A CN201410356962 A CN 201410356962A CN 104097627 B CN104097627 B CN 104097627B
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- Prior art keywords
- quick release
- release valve
- diaphragm body
- boss structure
- interposed membrane
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- 239000012528 membrane Substances 0.000 title claims abstract description 33
- 238000013022 venting Methods 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 10
- 239000007789 gas Substances 0.000 description 19
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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- Details Of Valves (AREA)
- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Abstract
The present invention relates to the interposed membrane of a kind of quick release valve and quick release valve, 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; Lower surface at described diaphragm body is provided with second boss structure, the center of described second boss structure and the center superposition of diaphragm body. At the upper surface of described diaphragm body, from the circumscribed circle of the first boss structure to diaphragm body edges part, it is provided with at least two groove extended from diaphragm body central along radial direction; Spherical cap-shaped structure by the quick release valve interposed membrane to the application so that from the gas of two air chamber backflows of brake valve when Impact Diaphragm, change the direction of power, it is possible to reduce the concentration of the power to diaphragm, reduce the situation producing altofrequency vibration.
Description
Technical field
The invention belongs to field of automobile brake, specifically refer to a kind of interposed membrane for the quick release valve in aerobraking vehicle and quick release valve.
Background technology
Quick release valve is applied in truck air-pressure brake vehicle, and it is typically located at brake piping near brake chamber place, plays the effect of Quick air-discharge when releasing braking, thus Rapid reversal braking.
Existing quick release valve structure is as shown in Figure 1, during assembling, venting valve 5 is sticked on lower house 2, sealing ring 3 is placed in the seal groove having in advance of upper shell 1, after diaphragm 4 is positioned on venting valve 5, use four is urgent through bolt 7 with spring washer 6 to bolt, and above-mentioned assembling all requires two parts center alignment.
During automobile brake, quick release valve is entered from air inlet A from the compression air of brake valve, diaphragm 4 is promoted tightly to push down downwards venting valve 5, blow the surrounding of diaphragm 4 open simultaneously, make diaphragm edge 41 times curved, as in figure 2 it is shown, compression air is along the radial groove of lower house 2, lead to the left and right air chamber being attached thereto through 2 gas outlet B.
When automobile releases braking, compression gas in the pipeline being connected with quick release valve is discharged through the air vent of brake valve, the compression gas backstreaming of the left and right air chamber being connected with quick release valve promotes diaphragm 4 up, blocks air inlet A, and the compression gas in air chamber enters rapidly air through air vent C.
As described above, when quick release valve is braked, the gas from brake valve bends through in journey under the edge promoting diaphragm, and high pressure gas cognition causes diaphragm to produce altofrequency vibration, thus the air inlet producing quick release valve is uttered long and high-pitched sounds.
Quick release valve is releasing the indoor compression gas of braking seasonal epidemic pathogens by up for promotion diaphragm 4, and this process can cause that diaphragm produces altofrequency vibration, thus the aerofluxus producing quick release valve is uttered long and high-pitched sounds.
Above-mentioned uttering long and high-pitched sounds is the main component of quick release valve air inlet and exhaust noise.
In order to solve quick release valve exhaust noise in braking, in recent years by installing a shock-absorption device 8 in quick release valve lower end, as shown in Figure 3. Such technology has certain use to reducing quick release valve exhaust noise, but it is only capable of the pneumatic noise produced when reducing vent when releasing braking, and what when can not reduce braking, diaphragm 4 dither produced utters long and high-pitched sounds. And after being mounted with shock-absorption device, there is also take up room many, high in cost of production problem.
Summary of the invention
It is an object of the invention to by the structure of diaphragm in quick release valve is improved, when reducing in braking or release braking, gas causes the altofrequency of diaphragm to vibrate, and reduces noise.
The present invention is achieved by the following technical solutions:
The interposed membrane of a kind of quick release valve, includes diaphragm body, and the upper surface at described diaphragm body is provided with first boss structure; The center superposition of the center of described first boss structure and described diaphragm body;
Lower surface at described diaphragm body is provided with the center superposition of second boss structure, the center of described second boss structure and 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 groove extended from described diaphragm body central along radial direction; Described groove is with the centrosymmetry of described diaphragm body.
The degree of depth of described groove is gradually reduced from the circumscribed circle of described first boss structure to described diaphragm body edges direction.
The circumscribed circle diameter of described first boss structure is more than the circumscribed circle diameter of described second boss structure.
The thickness of described first boss structure is not more than the thickness of described diaphragm body.
The thickness of described second boss structure is not more than the thickness of described diaphragm body, and 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, triangle, tetragon or polygon.
The spherical cap-shaped structure of described second boss structure.
A kind of quick release valve, include above-mentioned any one of the interposed membrane of described quick release valve, upper shell, lower house, venting valve, sealing ring and fastening bolt;
Described upper shell is provided with air inlet, described upper shell is provided with screw, for through fastening bolt;
Described lower house is provided with, two gas outlets, connects two air chambers of brake valve respectively; One air vent;
Described air vent connects described venting valve;
The described upper shell surface configuration that contacts with described lower house has seal groove, and described sealing ring is arranged in seal groove;
Described quick release valve interposed membrane is arranged between described sealing ring and described venting valve.
Described lower house is provided with internal thread hole, for fixing with fastening bolt.
The invention has the beneficial effects as follows:
1, by two surface boss structures to quick release valve interposed membrane, it is suppressed that diaphragm produces the situation of altofrequency vibration when being subject to gases at high pressure and impacting.
2, by the spherical cap-shaped structure of the quick release valve interposed membrane to the application so that from the gas of two air chamber backflows of brake valve when Impact Diaphragm, change the direction of power, play flow-disturbing effect, therefore, it is possible to reduce the concentration of the power to diaphragm, reduce the situation producing altofrequency vibration.
3, by the technical scheme of the application, it is not necessary to use external shock-absorption device.
Accompanying drawing explanation
Fig. 1 is existing quick release valve STRUCTURE DECOMPOSITION figure;
Fig. 2 is existing quick release valve interposed membrane stress schematic diagram;
Fig. 3 is existing quick release valve structural representation;
Fig. 4 is an example structure schematic diagram of quick release valve interposed membrane of the present invention;
Fig. 5 is an embodiment front view of quick release valve interposed membrane of the present invention;
Fig. 6 is that an embodiment of quick release valve interposed membrane of the present invention is bowed figure;
Fig. 7 is an embodiment upward view of quick release valve interposed membrane of the present invention.
Detailed description of the invention
Describing technical scheme by the following examples in detail, below example is merely illustrative of, and is only capable of for explaining and illustrate technical scheme, and is not to be construed as the restriction to technical solution of the present invention.
Upper surface discussed below in the application refers in the face of the surface of upper shell is upper surface, in the face of the surface of lower house is lower surface.
A kind of quick release valve, includes quick release valve interposed membrane, upper shell, lower house, venting valve, sealing ring and fastening bolt; Being only that the diaphragm to existing quick release valve carries out structure improvement in the quick release valve of the application, and eliminate shock-absorption device, other structure of quick release valve is compared with technology.
Upper shell is provided with air inlet, described upper shell is provided with 4 screws, for through fastening bolt; Air inlet connects with source of the gas.
Lower house is provided with, two gas outlets, connects two air chambers of brake valve respectively; One air vent;
Described air vent connects venting valve; Vent valves is arranged in lower house, is formed with space between vent valve and lower house, and gas flows in this space.
The upper shell surface configuration that contacts with lower house has seal groove, and described sealing ring is arranged in seal groove;
Quick release valve interposed membrane is arranged between sealing ring and venting valve. Lower house is provided with internal thread hole, for fixing with fastening bolt.
As shown in Figures 4 to 7, quick release valve interposed membrane is that rubber or macromolecular material or polyester material are processed, and 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.
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 groove 112 extended from diaphragm body central along radial direction; Described groove is with the centrosymmetry of diaphragm body. The degree of depth of groove is gradually reduced to diaphragm body edges direction from the circumscribed circle of the first boss structure. Within nearly diaphragm body edges one end of groove is arranged at the external diameter of air inlet. Such structure, when the brake is applied, air inlet the gases at high pressure come are had and improve flow velocity, being shortened by the time of such nominal volume gas in part through groove guides, and therefore, frequency reduces, and is conducive to reducing noise.
In embodiments herein, groove is 6, and all with the centrosymmetry of diaphragm body, in the other embodiments of the application, the quantity of groove can be more than 3, is all capable of the technical scheme of the application.
Lower surface at described diaphragm body 101 is provided with second boss structure 113, the center of described second boss structure 113 and the center superposition of diaphragm body.
The circumscribed circle diameter of the first boss structure is less than the diameter of air inlet, so ensure that gases at high pressure enter quick release valve. In the present embodiment, the cross section of the plane being parallel to described diaphragm body of the first boss structure is circle, 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, the round boss of thickness 2mm at diaphragm upper surface, quick release valve aerofluxus is uttered long and high-pitched sounds significantly weak, obtains good effect.
The thickness of the second boss structure is not more than the thickness of diaphragm body, and less than the thickness of the first boss structure. and in the present embodiment, the spherical cap-shaped structure of the second boss structure. the usefulness of this structure is, when controlling the gases at high pressure flow-reversing impingement quick release valve interposed membrane of two air chambers of valve, because there being the spherical cap structure of interposed membrane lower surface, can produce to change to the direction of the power on impacting, namely the direction of power carries out not in accordance with the direction bunchy determined, but there is a flow-disturbing effect in the direction that the direction of power changes with original power, so the impact dynamics of quick release valve interposed membrane lower surface is had and weakened, but because preservation of energy, the lifting force that quick release valve interposed membrane is enough can be supplied to again, to open vent valve, in this case, gas is when by space between quick release valve interposed membrane and vent valve, the frequency of vibration of quick release valve interposed membrane can be reduced, therefore, exhaust noise also reduces accordingly.
In the other embodiments of the application, the cross section of the plane being parallel to described diaphragm body of the first boss structure is triangle, tetragon or polygon, it is preferred to circular, this is because circle is conducive to diaphragm body stress equalization.
Although an embodiment of the present invention has been shown and described, 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 appended claims limited range equally. The scope of the invention and equivalency.
Claims (9)
1. an interposed membrane for quick release valve, includes diaphragm body, it is characterised in that: the upper surface at described diaphragm body is provided with first boss structure; The center superposition of the center of described first boss structure and described diaphragm body;
Lower surface at described diaphragm body is provided with the center superposition of second boss structure, the center of described second boss structure and 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 groove extended from described diaphragm body central along radial direction; Described groove is with the centrosymmetry of described diaphragm body.
2. the interposed membrane of quick release valve according to claim 1, it is characterised in that: the degree of depth of described groove is gradually reduced from the circumscribed circle of described first boss structure to described diaphragm body edges direction.
3. the interposed membrane of quick release valve according to claim 1, it is characterised in that: the circumscribed circle diameter of described first boss structure is more than the circumscribed circle diameter of described second boss structure.
4. the interposed membrane of the quick release valve according to any one of claim 1 or 3, it is characterised in that: the thickness of described first boss structure is not more than the thickness of described diaphragm body.
5. the interposed membrane of the quick release valve according to any one of claim 1 or 3, it is characterised in that: the thickness of described second boss structure is not more than the thickness of described diaphragm body, and less than the thickness of described first boss structure.
6. the interposed membrane of quick release valve according to claim 1, 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 polygon.
7. the interposed membrane of quick release valve according to claim 1, it is characterised in that: the spherical cap-shaped structure of described second boss structure.
8. a quick release valve, it is characterised in that: include the interposed membrane of described quick release valve any one of the claims 1-7, upper shell, lower house, venting valve, sealing ring and fastening bolt;
Described upper shell is provided with air inlet, described upper shell is provided with screw, for through fastening bolt;
Described lower house is provided with, two gas outlets, connects two air chambers of brake valve respectively; One air vent;
Described air vent connects described venting valve;
The described upper shell surface configuration that contacts with described lower house has seal groove, and described sealing ring is arranged in seal groove;
Described quick release valve interposed membrane is arranged between described sealing ring and described venting valve.
9. quick release valve according to claim 8, it is characterised in that: described lower house is provided with internal thread hole, for fixing with fastening bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410356962.0A CN104097627B (en) | 2014-07-24 | 2014-07-24 | The interposed membrane of a kind of quick release valve and quick release valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410356962.0A CN104097627B (en) | 2014-07-24 | 2014-07-24 | The interposed membrane of a kind of quick release valve and quick release valve |
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| Publication Number | Publication Date |
|---|---|
| CN104097627A CN104097627A (en) | 2014-10-15 |
| CN104097627B true CN104097627B (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410356962.0A Expired - Fee Related CN104097627B (en) | 2014-07-24 | 2014-07-24 | The interposed membrane of a kind of quick release valve and quick release valve |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106515702A (en) * | 2016-08-29 | 2017-03-22 | 浙江万安科技股份有限公司 | Quick release valve |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101927762A (en) * | 2010-09-27 | 2010-12-29 | 屠乐贤 | Three-axle relay valve |
| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3787383B2 (en) * | 1996-03-27 | 2006-06-21 | クノールブレムゼ商用車システムジャパン株式会社 | Quick release valve |
| US7571738B2 (en) * | 2006-03-08 | 2009-08-11 | Bendix Commercial Vehicle Systems Llc | Flow control device |
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2014
- 2014-07-24 CN CN201410356962.0A patent/CN104097627B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101927762A (en) * | 2010-09-27 | 2010-12-29 | 屠乐贤 | Three-axle relay valve |
| 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 |
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| Publication number | Publication date |
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| CN104097627A (en) | 2014-10-15 |
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| C14 | Grant of patent or utility model | ||
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| CP01 | Change in the name or title of a patent holder |
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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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 |