CN104097625B - A kind of built-in diaphragm of quick release valve and quick release valve - Google Patents
A kind of built-in diaphragm of quick release valve and quick release valve Download PDFInfo
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- CN104097625B CN104097625B CN201410356935.3A CN201410356935A CN104097625B CN 104097625 B CN104097625 B CN 104097625B CN 201410356935 A CN201410356935 A CN 201410356935A CN 104097625 B CN104097625 B CN 104097625B
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- diaphragm
- diaphragm body
- quick release
- release valve
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- 238000013022 venting Methods 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 10
- 239000007789 gas Substances 0.000 description 21
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 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
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The present invention relates to the built-in diaphragm of a kind of quick release valve and quick release valve, include diaphragm body, be provided with first boss structure at the upper surface of described diaphragm body; At the upper surface of described diaphragm body, to diaphragm body edges part, be provided with at least two the first grooves that extend along radial direction from diaphragm body center from the circumscribed circle of the first boss structure; Described the first groove is with the Central Symmetry of diaphragm body; At the lower surface of described diaphragm body, the center position from diaphragm body edges part to diaphragm body, is provided with at least two the second grooves that extend along radial direction from diaphragm body center; Described the second groove is with the Central Symmetry of diaphragm body.
Description
Technical field
The invention belongs to automobile brake field, specifically refer in a kind of quick release valve for aerobraking vehiclePut diaphragm and quick release valve.
Background technology
Quick release valve is applied in truck air-pressure brake vehicle, and it is generally arranged in brake piping near brake chamberPlace, the effect of Quick air-discharge while playing brake off, thereby quick brake off.
Existing quick release valve structure as shown in Figure 1, when assembling, sticks at venting valve 5 on lower house 2 sealing ring 3Be placed in the seal groove having in advance of upper shell 1, diaphragm 4 uses four pairs after being positioned on venting valve 5Bolt and spring washer 6 are urgent through bolt hole 7, and above-mentioned assembling all requires two parts center-aligned.
When automobile brake, enter quick release valve from the compressed air of brake valve from air inlet A, promote diaphragm 4Tightly push down venting valve 5 downwards, blow the surrounding of diaphragm 4 simultaneously open, make diaphragm edge 41 times curved, as figureShown in 2, compressed air, along the radial groove of lower house 2, leads to the left and right gas being attached thereto through 2 gas outlet BChamber.
When automobile brake off, the Compressed Gas in the pipeline being connected with quick release valve is through the exhaust outlet row of brake valveGo out, it is up that the Compressed Gas backflow of the left and right air chamber being connected with quick release valve promotes diaphragm 4, blocks air inlet A,Compressed Gas in air chamber enters rapidly atmosphere through exhaust outlet C.
As described above, when quick release valve is braked, promoting under the edge of diaphragm from the gas of brake valveIn curved process, high pressure gas cognition causes that diaphragm produces high-frequency vibration, thereby the air inlet of generation quick release valve is uttered long and high-pitched sounds.
It is up that quick release valve Compressed Gas in air chamber in the time of brake off will promote diaphragm 4, and this process can be ledCause diaphragm and produce high-frequency vibration, thereby the exhaust of generation 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 the exhaust noise of quick release valve in braking, in recent years by installing one in quick release valve lower endShock-absorption device 8, as shown in Figure 3. Such technology has certain use to reducing quick release valve exhaust noise,But the pneumatic noise producing when exhaust outlet exhaust when it only can reduce brake off, can not reduce braking timeWhat diaphragm 4 dithers produced utters long and high-pitched sounds. And installed after shock-absorption device 8, also exist take up room many,High in cost of production problem.
Summary of the invention
The object of the invention is by the architecture advances to diaphragm in quick release valve, be reduced in braking or brake offTime gas cause and the high-frequency vibration of diaphragm reduce noise.
The present invention is achieved by the following technical solutions:
The built-in diaphragm of a kind of quick release valve, includes diaphragm body, is provided with at the upper surface of described diaphragm bodyFirst boss structure; The center superposition of the center of described the first boss structure and described diaphragm body;
At the upper surface of described diaphragm body, from the extremely described diaphragm body of circumscribed circle of described the first boss structureMarginal portion, is provided with at least two the first grooves that extend along radial direction from described diaphragm body center;Described the first groove is with the Central Symmetry of described diaphragm body;
At the lower surface of described diaphragm body, from described diaphragm body edges part to described diaphragm body inHeart direction, is provided with at least two the second grooves that extend along radial direction from described diaphragm body center; InstituteState the Central Symmetry of the second groove with described diaphragm body.
The degree of depth of described the first groove is from the extremely described diaphragm body edges of circumscribed circle of described the first boss structureDirection reduces gradually.
The degree of depth of described the second groove from described diaphragm body edges to described diaphragm body center position graduallyReduce.
The lower surface of described diaphragm body is provided with second boss structure, in described the second boss structureThe center superposition of the heart and described diaphragm body.
The spherical cap-shaped structure of described the second boss structure.
The circumscribed circle diameter of described the first boss structure is greater than the circumscribed circle diameter of described the second boss structure.
The thickness of described the first boss structure is not more than the thickness of described diaphragm body.
The thickness of described the second boss structure is not more than the thickness of described diaphragm body, and is less than described first protrudingThe thickness of platform structure.
The cross section of the plane that is parallel to described diaphragm body of described the first boss structure be circle, triangle,Quadrangle or polygon.
A kind of quick release valve, include the built-in diaphragm of quick release valve described in above-mentioned middle any one, upper shell, lower house,Venting valve, sealing ring and fastening bolt;
On described upper shell, be provided with air inlet, on described upper shell, be provided with screw, for passing fastening screwBolt;
On described lower house, be provided with, two gas outlets, connect respectively two air chambers of brake valve; A rowGas port;
Described exhaust outlet connects described venting valve;
The described upper shell surface that contacts with lower house is provided with seal groove, and described sealing ring is arranged at seal grooveIn;
The built-in diaphragm arrangement of described quick release valve is between described sealing ring and described venting valve.
The invention has the beneficial effects as follows:
1, by two of the built-in diaphragm of quick release valve surperficial boss structures and groove setting, suppressed filmSheet produces the situation of high-frequency vibration in the time being subject to gases at high pressure impact.
2,, by the application's technical scheme, do not need to use external shock-absorption device.
Brief description of the drawings
Fig. 1 is existing quick release valve STRUCTURE DECOMPOSITION figure;
Fig. 2 is the existing built-in diaphragm applied force schematic diagram of quick release valve;
Fig. 3 is existing quick release valve structural representation;
Fig. 4 is an example structure schematic diagram of the built-in diaphragm of quick release valve of the present invention;
Fig. 5 is an embodiment upward view of the built-in diaphragm of quick release valve of the present invention;
Fig. 6 is an embodiment top view of the built-in diaphragm of quick release valve of the present invention;
Fig. 7 is an embodiment front view of the built-in diaphragm of quick release valve of the present invention.
Detailed description of the invention
Describe by the following examples technical scheme of the present invention in detail, following embodiment is only exemplary, only can be used for explaining and technical scheme of the present invention being described, and can not to be interpreted as be to the technology of the present invention sideThe restriction of case.
In the application, following described upper surface refers in the face of the surface of upper shell is upper surface, in the face of lower casingThe surface of body is lower surface.
Embodiment 1
As shown in Figures 4 to 7, a kind of quick release valve, includes the built-in diaphragm of quick release valve, upper shell, lower casingBody, venting valve, sealing ring and fastening bolt; In the application's quick release valve only to existing quick release valveDiaphragm carries out architecture advances, and has omitted shock-absorption device, the same prior art of other structure of quick release valve.
On upper shell, be provided with air inlet, on described upper shell, be provided with 4 screws, for passing fastening screwBolt; Air inlet connects with source of the gas.
The built-in diaphragm of quick release valve, includes diaphragm body 101, establishes at the upper surface of described diaphragm body 101Be equipped with first boss structure 111; Described the first boss structure 111 center and diaphragm body 101Center superposition.
At the upper surface of diaphragm body 101, from the circumscribed circle of the first boss structure 111 to diaphragm body edgesPart, is provided with at least two the first grooves 112 that extend along radial direction from diaphragm body center; DescribedThe first groove is with the Central Symmetry of diaphragm body. The degree of depth of the first groove from the circumscribed circle of the first boss structure extremelyDiaphragm body edges direction reduces gradually. Nearly diaphragm body edges one end of the first groove is arranged at air inletIn external diameter. Above-mentioned structure setting, particularly the degree of depth of the first groove is from the circumscribed circle of the first boss structureReduce gradually to diaphragm body edges direction. Nearly diaphragm body edges one end of the first groove is arranged at air inletExternal diameter with interior structure setting, in the time braking, the gases at high pressure that come by air inlet understand that some is logicalCross the first groove guides and improve flow velocity, like this gas of nominal volume pass through time shorten, therefore, frequencyReduce, be conducive to noise decrease.
In the application's embodiment, the first groove is 6, all with the Central Symmetry of diaphragm body, at thisIn other embodiment of application, the quantity of the first groove can, for being greater than 3, all can realize the application'sTechnical scheme.
At the lower surface of described diaphragm body 101, be provided with from diaphragm body center and extend along radial directionAt least two the second grooves 113; Described the second groove 113 is with the Central Symmetry of diaphragm body. Described secondThe degree of depth of groove 113 reduces gradually from diaphragm body edges to diaphragm body center position.
The structure setting of the second groove, the particularly degree of depth of the second groove 113 from diaphragm body edges to diaphragmThe structure setting that body center position reduces gradually, in the time carrying out brake off, is returned by two air chambers of brake valveThe gases at high pressure of stream are understood some and are improved flow velocity, the like this gas of nominal volume by the second groove guidesBy time shorten, therefore, frequency reduces, and is conducive to noise decrease.
In the application's embodiment, the second groove is 6, all with the Central Symmetry of diaphragm body, at thisIn other embodiment of application, the quantity of the second groove can, for being greater than 3, all can realize the application'sTechnical scheme.
In each embodiment of the application, the center line of the first groove and the second groove can be also for straight lineCurve.
On lower house, be provided with, two gas outlets, connect respectively two air chambers of brake valve; An exhaust outlet;
Described exhaust outlet connects venting valve; Vent valves is arranged in lower house, at vent valve and lower houseBetween be formed with space, gas in this space flow.
The upper shell surface that contacts with lower house is provided with seal groove, and described sealing ring is arranged in seal groove;
The built-in diaphragm arrangement of quick release valve is between sealing ring and venting valve. On lower house, be provided with internal thread hole,For fixing with fastening bolt.
Embodiment 2
In other embodiment of the application, the other parts of quick release valve body are all identical with embodiment 1, only rightThe structure of the built-in diaphragm of quick release valve is improved, and therefore, in following embodiment, only describes in quick release valvePut the structure of touching sheet.
The built-in diaphragm of quick release valve is rubber or macromolecular material or polyester material processing, includes diaphragm body,Be provided with first boss structure at the upper surface of described diaphragm body; The center of described the first boss structureCenter superposition with diaphragm body;
Be provided with second boss structure, described the second boss structure at the lower surface of described diaphragm bodyThe center superposition of center and diaphragm body.
The circumscribed circle diameter of the first boss structure is less than the diameter of air inlet, can ensure like this gases at high pressureEnter quick release valve. In the present embodiment, cutting of the plane that is parallel to described diaphragm body of the first boss structureFace is circular, and in the present embodiment, diaphragm body is a diameter phi 50mm, the column structure of thickness 2mm,In use produce and acutely utter long and high-pitched sounds, after through simulated test repeatedly, increased a φ at diaphragm upper surface30mm, the round boss of thickness 2mm, quick release valve exhaust 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 is less than the thickness of the first boss structure.And the spherical cap-shaped structure of the second boss structure in the present embodiment. The usefulness of this structure is to work as controlWhen the built-in diaphragm of gases at high pressure flow-reversing impingement quick release valve of two air chambers of valve processed, because there is built-in diaphragm following tableThe spherical cap structure of face, the direction of the power on impact can produce change, and the direction of power is not according to determiningDirection bunchy carry out, but the direction of power changes with the direction of original power and has a flow-disturbing effect, like thisTo the impact dynamics of the built-in diaphragm lower surface of quick release valve have weaken, but because the conservation of energy, can carry againSupply with the enough lifting power of the built-in diaphragm of quick release valve, to open vent valve, in this case, gas is passing through, can reduce the vibration frequency of the built-in diaphragm of quick release valve when between the built-in diaphragm of quick release valve and vent valve the space,Therefore, also corresponding reducing of exhaust noise.
In other embodiment of the application, the plane that is parallel to described diaphragm body of the first boss structureCross section is triangle, quadrangle or polygon, is preferably circle, and this is because circle is conducive to diaphragm bodyStress equalization.
Although illustrated and described embodiments of the invention, for the ordinary skill in the art,Being appreciated that without departing from the principles and spirit of the present invention to carry out multiple to these embodimentVariation, amendment, replacement and modification, these equivalent form of values fall into equally the application's appended claims and limitFixed scope. Scope of the present invention is by claims and be equal to and limit.
Claims (10)
1. the built-in diaphragm of quick release valve, includes diaphragm body, is provided with first boss structure at the upper surface of described diaphragm body; The center superposition of the center of described the first boss structure and described diaphragm body; It is characterized in that:
At the upper surface of described diaphragm body, from the extremely described diaphragm body edges part of circumscribed circle of described the first boss structure, be provided with at least two the first grooves that extend along radial direction from described diaphragm body center; Described the first groove is with the Central Symmetry of described diaphragm body;
At the lower surface of described diaphragm body, the center position from described diaphragm body edges part to described diaphragm body, is provided with at least two the second grooves that extend along radial direction from described diaphragm body center; Described the second groove is with the Central Symmetry of described diaphragm body.
2. the built-in diaphragm of quick release valve according to claim 1, is characterized in that: the degree of depth of described the first groove reduces gradually from circumscribed circle to the described diaphragm body edges direction of described the first boss structure.
3. the built-in diaphragm of quick release valve according to claim 1, is characterized in that: the degree of depth of described the second groove reduces gradually from described diaphragm body edges to described diaphragm body center position.
4. according to the built-in diaphragm of the quick release valve described in any one in claim 1 or 3, it is characterized in that: the lower surface of described diaphragm body is provided with second boss structure center superposition of the center of described the second boss structure and described diaphragm body.
5. the built-in diaphragm of quick release valve according to claim 4, is characterized in that: the spherical cap-shaped structure of described the second boss structure.
6. the built-in diaphragm of quick release valve according to claim 4, is characterized in that: the circumscribed circle diameter of described the first boss structure is greater than the circumscribed circle diameter of described the second boss structure.
7. the built-in diaphragm of quick release valve according to claim 1, is characterized in that: the thickness of described the first boss structure is not more than the thickness of described diaphragm body.
8. the built-in diaphragm of quick release valve according to claim 4, is characterized in that: the thickness of described the second boss structure is not more than the thickness of described diaphragm body, and is less than the thickness of described the first boss structure.
9. the built-in diaphragm of quick release valve according to claim 1, is characterized in that: the cross section of the plane that is parallel to described diaphragm body of described the first boss structure is circle or polygon.
10. a quick release valve, is characterized in that: include in 1 to 9 of the claims the built-in diaphragm of quick release valve, upper shell, lower house, venting valve, sealing ring and fastening bolt described in any one;
On described upper shell, be provided with air inlet, on described upper shell, be provided with screw, for passing fastening bolt;
On described lower house, be provided with, two gas outlets, connect respectively two air chambers of brake valve; An exhaust outlet;
Described exhaust outlet connects described venting valve;
The described upper shell surface that contacts with lower house is provided with seal groove, and described sealing ring is arranged in seal groove;
The built-in diaphragm arrangement of described quick release valve is between described sealing ring and described venting valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410356935.3A CN104097625B (en) | 2014-07-24 | 2014-07-24 | A kind of built-in diaphragm of quick release valve and quick release valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410356935.3A CN104097625B (en) | 2014-07-24 | 2014-07-24 | A kind of built-in diaphragm of quick release valve and quick release valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104097625A CN104097625A (en) | 2014-10-15 |
| CN104097625B true CN104097625B (en) | 2016-05-18 |
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| CN201410356935.3A Expired - Fee Related CN104097625B (en) | 2014-07-24 | 2014-07-24 | A kind of built-in diaphragm of quick release valve and quick release valve |
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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 CN201410356935.3A patent/CN104097625B/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 |
|---|---|
| CN104097625A (en) | 2014-10-15 |
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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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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20160518 |