CN104085388B - Built-in membrane of quick release valve for pneumatic braking and quick release valve - Google Patents
Built-in membrane of quick release valve for pneumatic braking and quick release valve Download PDFInfo
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- CN104085388B CN104085388B CN201410356901.4A CN201410356901A CN104085388B CN 104085388 B CN104085388 B CN 104085388B CN 201410356901 A CN201410356901 A CN 201410356901A CN 104085388 B CN104085388 B CN 104085388B
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- quick release
- release valve
- diaphragm body
- air
- boss
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Abstract
The invention relates to a built-in membrane of a quick release valve for pneumatic braking and the quick release valve. The built-in membrane comprises a membrane body, and a first boss structure is arranged on the upper surface of the membrane body; the center of the first boss structure coincides with the center of the membrane body; a second boss structure is arranged on the lower surface of the membrane body, and the center of the second boss structure coincides with the center of the membrane body; on the lower surface of the membrane body, at least two grooves extending in the radius direction from the center of the membrane body are arranged from the circumcircle of the second boss structure to the edge of the membrane body; the grooves are symmetrical about the center of the membrane body; the center line of each groove is a curve.
Description
Technical field
The invention belongs to field of automobile brake, specifically refers to a kind of built-in film of the quick release valve in vehicle for aerobraking
Piece 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 at brake chamber, is risen
The effect of Quick air-discharge when braking is released, so as to Rapid reversal braking.
Existing quick release valve structure is as shown in figure 1, when assembling, deflation valve 5 is sticked on lower house 2, sealing ring 3 is placed in upper casing
In the seal groove being provided with advance of body 1, diaphragm 4 is passed through after being positioned on deflation valve 5 using four pairs of bolts and spring washer 6
Bolt 7 is urgent, and above-mentioned assembling is required to two parts center alignments.
During automobile brake, the compressed air from brake valve enters quick release valve from air inlet A, promotes diaphragm 4 downwards tightly
Deflation valve 5 is pushed down, while blowing the surrounding of diaphragm 4 open so that curved under diaphragm edge 41, as shown in Fig. 2 compressed air is along lower casing
The radial groove of body 2,2 gas outlet B of Jing lead to the left and right air chamber being attached thereto.
When automobile releases braking, the exhaust outlet of the compressed gas Jing brake valve in the pipeline being connected with quick release valve is discharged, with
The compressed gas backflow of the connected left and right air chamber of quick release valve promotes diaphragm 4 up, blocks air inlet A, the compressed gas in air chamber
Jing exhaust outlets C enters rapidly air.
As described above, when quick release valve is braked, the gas from brake valve bends through journey under the edge for promoting diaphragm
In, gases at high pressure can cause diaphragm to produce high-frequency vibration, so as to the air inlet for producing quick release valve is uttered long and high-pitched sounds.
Compressed gas of the quick release valve when braking is released in air chamber are up by promotion diaphragm 4, and this process can cause diaphragm
High-frequency vibration is produced, so as to the exhaust for 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 exhaust noise of the quick release valve in braking, set by installing a damping in quick release valve lower end in recent years
Standby 8, as shown in Figure 3.Such technology has certain use to reducing quick release valve exhaust noise, but it only can reduce releasing system
The pneumatic noise produced during vent when dynamic, what the dither of diaphragm 4 was produced when can not reduce braking utters long and high-pitched sounds.And pacify
After having filled shock-absorption device, also exist take up room it is many, the problems such as high cost.
The content of the invention
The purpose of the present invention is improved by the structure to diaphragm in quick release valve, gas when reducing in braking or releasing braking
The high-frequency for causing diaphragm is vibrated, and reduces noise.
The present invention is achieved by the following technical solutions：
A kind of interposed membrane of air-pressure brake quick release valve, includes diaphragm body, in the upper surface of the diaphragm body
It is provided with a first boss structure；The center of the first boss structure and the center superposition of diaphragm body；
The lower surface of the diaphragm body is provided with a second boss structure, the center of the second boss structure with
The center superposition of diaphragm body；
In the lower surface of the diaphragm body, the circumscribed circle from the second boss structure is to the diaphragm body edges portion
Point, it is provided with least two grooves extended along radial direction from the diaphragm body central；The groove is with the diaphragm sheet
The Central Symmetry of body；The center line of each groove is curve.
The depth of the groove gradually subtracts from the circumscribed circle of the second boss structure to the diaphragm body edges direction
It is little.
Circumscribed circle diameter of the circumscribed circle diameter of the first boss structure more than the second boss structure.
The thickness of the first boss structure is not more than the thickness of the diaphragm body.
The thickness of the second boss structure is not more than the thickness of the diaphragm body, and less than the first boss structure
Thickness.
The section of the plane parallel to the diaphragm body of the first boss structure is circle, triangle, quadrangle
Or polygon.
The second boss structure is spherical cap-shaped structure.
The groove of the diaphragm body lower surface is distributed in fan shape.
A kind of air-pressure brake quick release valve, include the interposed membrane of any one of above-mentioned quick release valve, upper shell,
Lower house, deflation valve, sealing ring and fastening bolt；
Air inlet is provided with the upper shell, screw is provided with the upper shell, for through fastening bolt；
It is provided with the lower house, two gas outlets, two air chambers of brake valve is connected respectively；One exhaust outlet；
The exhaust outlet connects the deflation valve；
The upper shell surface that contacts with the lower house is provided with seal groove, and the sealing ring is arranged at the sealing
In groove；
The quick release valve interposed membrane is arranged between the sealing ring and the deflation valve.
Internal thread hole is provided with the lower house, is fixed for same fastening bolt.
The invention has the beneficial effects as follows：
1st, by two surface boss structures to quick release valve interposed membrane, it is suppressed that diaphragm is being impacted by gases at high pressure
When produce high-frequency vibration situation.
2nd, by the spherical cap-shaped structure of the quick release valve interposed membrane to the application so that from two air chamber backflows of brake valve
Gas changes the direction of power in Impact Diaphragm, plays flow-disturbing effect, therefore, it is possible to reduce the concentration of the power to diaphragm, drop
The low situation for producing high-frequency vibration.
3rd, by the technical scheme of the application, it is not necessary to using external shock-absorption device.
Description of the drawings
Fig. 1 is existing quick release valve structure decomposition figure；
Fig. 2 is existing quick release valve interposed membrane stress diagram；
Fig. 3 is existing quick release valve structural representation；
Fig. 4 is one embodiment structural representation of quick release valve interposed membrane of the present invention；
Fig. 5 is one embodiment front view of quick release valve interposed membrane of the present invention；
Fig. 6 is that one embodiment of quick release valve interposed membrane of the present invention is bowed figure；
Fig. 7 is one embodiment upward view of quick release valve interposed membrane of the present invention.
Specific embodiment
By the following examples describing technical scheme in detail, below example be only it is exemplary, only
Can be used for explaining and illustrating technical scheme, and be not to be construed as the restriction to technical solution of the present invention.
Upper surface discussed below refers to that in the face of the surface of upper shell be upper surface in the application, in the face of the table of lower house
Face is lower surface.
A kind of air-pressure brake quick release valve, includes quick release valve interposed membrane, upper shell, lower house, deflation valve, sealing
Circle and fastening bolt；Only it is that the diaphragm to existing quick release valve carries out structure improvement in the quick release valve of the application, and eliminates
Shock-absorption device, the other structures of quick release valve are compared with technology.
Air inlet is provided with upper shell, 4 screws is provided with the upper shell, for through fastening bolt；Air inlet
Mouth connects with source of the gas.
It is provided with lower house, two gas outlets, two air chambers of brake valve is connected respectively；One exhaust outlet；
The exhaust outlet connects deflation valve；Vent valves are arranged in lower casing body, the shape between vent valve and lower house
Into there is space, gas flows in the space.
The upper shell surface that contacts with lower house is provided with seal groove, and the sealing ring is arranged in seal groove；
Quick release valve interposed membrane is arranged between sealing ring and deflation valve.Internal thread hole is provided with lower house, is used for
Fix with fastening bolt.
As shown in Figures 4 to 7, quick release valve interposed membrane is rubber or macromolecular material or polyester material processing, is included
Diaphragm body 101, in the upper surface of the diaphragm body 101 a first boss structure 111 is provided with；The first boss knot
The center of structure and the center superposition of diaphragm body.
The lower surface of the diaphragm body 101 is provided with a second boss structure 113, the second boss structure
113 center and the center superposition of diaphragm body.
The circumscribed circle diameter of first boss structure is less than the diameter of air inlet, so ensure that gases at high pressure are entered fast
Put valve.In the present embodiment, the section of the plane parallel to the diaphragm body of first boss structure is circle, in this enforcement
In example, diaphragm body is diameter phi 50mm, and the column structure of thickness 2mm produces acutely utter long and high-pitched sounds in use, after through multiple
Simulated test, in diaphragm upper surface a φ 30mm is increased, and the round boss of thickness 2mm, quick release valve exhaust is uttered long and high-pitched sounds and significantly decline
It is weak, obtain good effect.
The thickness of second boss structure is not more than the thickness of diaphragm body, and less than the thickness of first boss structure.And
In the present embodiment, second boss structure is spherical cap-shaped structure.The usefulness of this structure is, when two air chambers for controlling valve
During gases at high pressure flow-reversing impingement quick release valve interposed membrane, because there is the spherical cap structure of interposed membrane lower surface, on impact
The direction of power can produce the direction of change, i.e. power and carry out not in accordance with the direction bunchy for determining, but the direction of power changes and original
There is a flow-disturbing effect in the direction of the power come, so the impact dynamics of quick release valve interposed membrane lower surface is had and is weakened, but
Because the conservation of energy, the enough lifting force of quick release valve interposed membrane can be supplied to again, to open vent valve, in this case,
Gas can drop when the space between quick release valve interposed membrane and vent valve is passed through to the vibration frequency of quick release valve interposed membrane
It is low, therefore, exhaust noise also accordingly reduces.
In the lower surface of diaphragm body 101, the circumscribed circle from second boss structure 113 to diaphragm body edges part, if
It is equipped with least two grooves 114 extended along radial direction from diaphragm body central；The groove 114 is with diaphragm body 101
Central Symmetry.The depth of groove 114 is gradually reduced from the external circular direction at the edge of diaphragm body 101 to second boss structure 113.
One end of the nearly second boss structure of groove 114 is arranged within the external diameter of vent valve.In present embodiments, each groove
Center line be curve, diaphragm body lower surface institute it is fluted in flaabellum shape distribution.
The said structure of groove 114 is arranged, when carrying out releasing braking, by the gases at high pressure of two air chamber backflows of brake valve
Understand some by groove guides improve flow velocity, the gas of such nominal volume by the time shorten, therefore, frequency drop
It is low, be conducive to reducing noise.And it is distributed by the flaabellum shape using groove, the flow direction for making reflux gas produces a centripetal rotation
Turn, reduce can not only the power that acted on diaphragm body, and be conducive to quickly through exhaust outlet.
In embodiments herein, groove is 6, with the Central Symmetry of diaphragm body, in other realities of the application
In applying example, the quantity of groove can be, more than 3, can to realize the technical scheme of the application.
In the other embodiments of the application, the section of the plane parallel to the diaphragm body of first boss structure is
Triangle, quadrangle or polygon, it is preferably 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, can be with
Understanding can carry out various changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention
And modification, these equivalent form of values equally fall into the application appended claims limited range.The scope of the present invention is by institute
Attached claim and its equivalent are limited.
Claims (8)
1. a kind of interposed membrane of air-pressure brake quick release valve, includes diaphragm body, it is characterised in that：In the diaphragm body
Upper surface be provided with a first boss structure；The center of the first boss structure and the center superposition of diaphragm body；
The lower surface of the diaphragm body is provided with a second boss structure, the center of the second boss structure and diaphragm
The center superposition of body；
In the lower surface of the diaphragm body, the circumscribed circle from the second boss structure to the diaphragm body edges part,
It is provided with least two grooves extended along radial direction from the diaphragm body central；The groove is with the diaphragm body
Central Symmetry；The center line of each groove is curve；
The depth of the groove is gradually reduced from the circumscribed circle of the second boss structure to the diaphragm body edges direction；
Circumscribed circle diameter of the circumscribed circle diameter of the first boss structure more than the second boss structure.
2. the interposed membrane of air-pressure brake quick release valve according to claim 1, it is characterised in that：The first boss knot
The thickness of structure is not more than the thickness of the diaphragm body.
3. the interposed membrane of air-pressure brake quick release valve according to claim 1, it is characterised in that：The second boss knot
The thickness of structure is not more than the thickness of the diaphragm body, and less than the thickness of the first boss structure.
4. the interposed membrane of air-pressure brake quick release valve according to claim 1, it is characterised in that：The first boss knot
The section of the plane parallel to the diaphragm body of structure is circular or polygon.
5. the interposed membrane of air-pressure brake quick release valve according to claim 1, it is characterised in that：The second boss knot
Structure is spherical cap-shaped structure.
6. the interposed membrane of air-pressure brake quick release valve according to claim 1, it is characterised in that：Under the diaphragm body
The groove on surface is distributed in fan shape.
7. a kind of air-pressure brake quick release valve, it is characterised in that：Include the described of any one of the claims 1-6 to put soon
The interposed membrane of valve, upper shell, lower house, deflation valve, sealing ring and fastening bolt；
Air inlet is provided with the upper shell, screw is provided with the upper shell, for through fastening bolt；
It is provided with the lower house, two gas outlets, two air chambers of brake valve is connected respectively；One exhaust outlet；
The exhaust outlet connects the deflation valve；
The upper shell surface that contacts with the lower house is provided with seal groove, and the sealing ring is arranged at the seal groove
It is interior；
The quick release valve interposed membrane is arranged between the sealing ring and the deflation valve.
8. air-pressure brake quick release valve according to claim 7, it is characterised in that：Internal thread is provided with the lower house
Hole, fixes for same fastening bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410356901.4A CN104085388B (en) | 2014-07-24 | 2014-07-24 | Built-in membrane of quick release valve for pneumatic braking and quick release valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410356901.4A CN104085388B (en) | 2014-07-24 | 2014-07-24 | Built-in membrane of quick release valve for pneumatic braking and quick release valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104085388A CN104085388A (en) | 2014-10-08 |
| CN104085388B true CN104085388B (en) | 2017-05-10 |
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ID=51633192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410356901.4A Active CN104085388B (en) | 2014-07-24 | 2014-07-24 | Built-in membrane of quick release valve for pneumatic braking and quick release valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104085388B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107336704A (en) * | 2016-12-19 | 2017-11-10 | 安徽江淮汽车集团股份有限公司 | Quick release valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1302522A (en) * | 1999-04-22 | 2001-07-04 | 株式会社建伍 | Loundspeaker diaphragm |
| CN1454299A (en) * | 2000-07-14 | 2003-11-05 | 福乐尼·乐姆宝公开有限公司 | A disc for a disc brake |
| CN202593496U (en) * | 2012-03-29 | 2012-12-12 | 诸暨市万盛机械有限公司 | Quick release valve |
| CN103206513A (en) * | 2013-04-07 | 2013-07-17 | 安徽江淮汽车股份有限公司 | Idle gear pad |
| 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 (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5856917B2 (en) * | 2012-07-13 | 2016-02-10 | 株式会社コガネイ | Pressure reducing valve |
-
2014
- 2014-07-24 CN CN201410356901.4A patent/CN104085388B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1302522A (en) * | 1999-04-22 | 2001-07-04 | 株式会社建伍 | Loundspeaker diaphragm |
| CN1454299A (en) * | 2000-07-14 | 2003-11-05 | 福乐尼·乐姆宝公开有限公司 | A disc for a disc brake |
| CN202593496U (en) * | 2012-03-29 | 2012-12-12 | 诸暨市万盛机械有限公司 | Quick release valve |
| CN103206513A (en) * | 2013-04-07 | 2013-07-17 | 安徽江淮汽车股份有限公司 | Idle gear pad |
| 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 |
|---|---|
| CN104085388A (en) | 2014-10-08 |
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| C06 | Publication | ||
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| C10 | Entry into substantive examination | ||
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| CB02 | Change of applicant information |
Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant before: Anhui Jianghuai Automotive Co., Ltd. |
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