CN110789289A - One-way valve with silencing function - Google Patents
One-way valve with silencing function Download PDFInfo
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- CN110789289A CN110789289A CN201911086975.XA CN201911086975A CN110789289A CN 110789289 A CN110789289 A CN 110789289A CN 201911086975 A CN201911086975 A CN 201911086975A CN 110789289 A CN110789289 A CN 110789289A
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- valve
- interface
- interface piece
- silencing
- check valve
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- 230000030279 gene silencing Effects 0.000 title claims description 25
- 239000000725 suspension Substances 0.000 claims abstract description 33
- 230000009467 reduction Effects 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 229920000742 Cotton Polymers 0.000 claims description 5
- 239000000428 dust Substances 0.000 description 17
- 230000000694 effects Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000009699 differential effect Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- CNQCVBJFEGMYDW-UHFFFAOYSA-N lawrencium atom Chemical compound [Lr] CNQCVBJFEGMYDW-UHFFFAOYSA-N 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000013013 elastic material Substances 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
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
- B60G17/04—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics
- B60G17/052—Pneumatic spring characteristics
- B60G17/0523—Regulating distributors or valves for pneumatic springs
- B60G17/0528—Pressure regulating or air filling valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Check Valves (AREA)
Abstract
The invention belongs to the technical field of automobile part processing, and provides a one-way valve with a noise reduction function, which comprises a one-way valve component, one end of the one-way valve component is communicated with compressed air, a first interface component and one end of the noise reduction component is connected with an air suspension system, the noise reduction component comprises a barrel, a bottom plate and a cover body, the barrel, the one-way valve component and the first interface component are communicated with each other to form a three-way structure, the bottom plate is arranged at the bottom of the barrel, the cover body covers the outer side of the barrel, the cover body is connected with the bottom plate, the cover body is hollow, a first vent hole is formed in the outer wall of the barrel, a second vent hole is formed in the bottom plate, noise reduction. Through above-mentioned technical scheme, the problem that the noise is big when air suspension system exhausts among the prior art has been solved.
Description
Technical Field
The invention belongs to the technical field of automobile part processing, and relates to a one-way valve with a silencing function.
Background
The air suspension system becomes more and more choices of high-end vehicle types in recent years, and the air suspension system enables the vehicle to have the comfort of a car and the passing performance of an off-road vehicle by reducing or increasing the clearance between a chassis and the ground. According to the difference of road conditions and the signals of the distance sensor, the automobile driving computer can judge the height change of the automobile body and then control the air compressor and the exhaust valve, so that the spring is automatically compressed or extended, and the height of the chassis is adjusted. However, when the air suspension system is exhausted, a large amount of air needs to be exhausted in a short time, disturbing noise is generated in the process, and riding comfort is reduced.
Disclosure of Invention
The invention provides a one-way valve with a silencing function, which solves the problem of high noise when an air suspension system exhausts in the prior art.
The technical scheme of the invention is realized as follows: comprises that
One end of the one-way valve component is used for being communicated with compressed air,
one end of the interface piece I is used for being connected with an air suspension system,
the silencing assembly comprises a cylinder body, a bottom plate and a cover body, the cylinder body is communicated with the one-way valve assembly and the interface piece I to form a three-way structure,
the bottom plate is arranged at the lower side of the cylinder body, the cover body covers the outer side of the cylinder body and is connected with the bottom plate,
the cover body is hollow, a first vent hole is formed in the outer wall of the barrel body, a second vent hole is formed in the bottom plate, a silencing material is filled in the barrel body, and a silencing channel is formed by the inner cavity of the barrel body, the first vent hole, the inner cavity of the cover body and the second vent hole.
Furthermore, the first vent holes are two and symmetrically arranged on two sides of the barrel.
Furthermore, the two vent holes are symmetrically arranged on two sides of the bottom plate.
Further, the inner side of the cover body is provided with a circular ring part which is sleeved outside the cylinder body,
the circular ring part with be provided with the sealing washer between the barrel, the barrel outer wall is provided with the recess along circumference, the recess is located and keeps away from the one end of interface piece one, the sealing washer sets up in the recess. Furthermore, the bottom plate both sides are provided with the draw-in groove, the lid both sides are provided with card portion, card portion card is established in the draw-in groove.
Further, the check valve assembly includes
The valve body is connected with the cylinder body and the first interface piece to form a three-way structure,
a valve plate disposed in the valve body
A second interface piece which is arranged at one end of the valve body, one end of the second interface piece is used for being communicated with compressed air, a plurality of vent holes III are arranged on the end surface of the other end of the second interface piece,
and according to the air inlet direction, the second interface part and the valve plate are arranged in sequence.
Furthermore, the valve plate is an elastic component,
and one end of the second interface piece, which is close to the valve block, is also provided with a positioning column, and the circle center of the valve block is sleeved on the positioning column.
Furthermore, a reinforcing rib is arranged in the valve body, and the reinforcing rib and the interface piece II are respectively positioned on two sides of the valve plate.
Furthermore, the end part of the second interface part is also provided with a dustproof cap which is hollow, and the end surface of the dustproof cap, which is far away from the second interface part, is provided with a plurality of vent holes IV.
Furthermore, a cavity enclosed by the dustproof cap and the interface piece II is internally provided with filter cotton.
Furthermore, the side wall of the dustproof cap is provided with a positioning hole, and the end part of the interface piece II is provided with a positioning bulge corresponding to the positioning hole.
Furthermore, the one-way valve component, the silencing component and the first interface piece are integrally formed and machined.
Furthermore, the number of the vent holes is three, and the vent holes are evenly distributed along the circumferential direction of the two end faces of the interface piece.
Furthermore, the plurality of vent holes four are distributed on the end face of the dust cap in an array mode, and the diameter of each vent hole four is 1/20-1/30 of the diameter of the end face of the dust cap.
Furthermore, the locating hole is four, and follows the circumference evenly distributed of dustproof cap, the location arch is four, and follows the circumference evenly distributed of interface spare two.
The working principle and the beneficial effects of the invention are as follows:
1. when the air in the air suspension system needs to be exhausted, the air flow direction is as shown in fig. 2, the check valve assembly is closed, the air is exhausted to the external space from the cavity of the first connecting port part through the inner cavity of the cylinder body, the first vent hole, the inner cavity of the cover body and the second vent hole in sequence, and the noise generated when the air is exhausted is eliminated due to the fact that the inner cavity of the cylinder body is provided with the silencing material.
When high-pressure air needs to be filled into the air suspension system, the gas flow direction is as shown in fig. 3, the check valve assembly is opened, and the high-pressure air enters the cavity of the first interface part and further enters the air suspension system; meanwhile, external air enters the cavity of the first interface part from the second vent hole, the inner cavity of the cover body, the first vent hole and the inner cavity of the cylinder body, and finally enters the air suspension system. Compressed air and compressed air enter the air suspension system at the same time, which is beneficial to reducing air inlet time and improving the response sensitivity of the air suspension system.
Wherein, the lid closes in the outside of barrel, plays the effect of fixed amortization material, blows off amortization material when avoiding gas outgoing, and simultaneously, the lid plays and shelters from the effect, reduces the chance of amortization material and outside air contact, avoids the impurity among the outside air to get into amortization material, influences the result of use of amortization material.
The invention can not only eliminate the noise generated when the air suspension system exhausts, but also ensure the air inlet speed when the air suspension system admits air.
2. According to the invention, the circular ring part is sleeved outside the cylinder body, and the circular ring part and the inner cylinder are sealed through the sealing ring, so that air flow is prevented from rushing out from a gap between the circular ring part and the inner cylinder during exhaust, and noise generated during quick rushing out of the air flow is avoided.
3. According to the invention, the cover body and the bottom plate are quickly connected by clamping the clamping part in the clamping groove.
4. When high-pressure air needs to be filled into the air suspension system, the valve plate is opened, and the high-pressure air sequentially passes through the vent hole III and the gap between the valve plate and the valve body, enters the cavity of the interface piece I and finally enters the air suspension system; when needs exhaust, under the pressure differential effect, the valve block laminating is on air vent three, and the valve block is closed, and gas flows out to exterior space from the amortization subassembly.
5. When the valve plate is installed, the valve plate is firstly sleeved on the positioning column, and then the interface piece II is installed on the valve body, so that the structure is simple, and the operation is convenient; when high-pressure air needs to be filled into the air suspension system, the valve plate deforms under the action of pressure difference, a gap is formed between the valve plate and the valve body, and the valve plate is opened.
6. When high-pressure air needs to be filled into the air suspension system, the valve plate deforms under the action of pressure difference, and the reinforcing ribs on the right side of the valve plate play a limiting role and are used for limiting the opening angle of the valve plate, so that the air flow is controlled.
7. The end face of the dustproof cap is provided with the vent hole IV which is used for ventilating on one hand and can prevent large-particle impurities from entering the inside of the one-way valve assembly on the other hand; the inside cavity that is of dust cap, according to user's needs, can also insert the filter pulp in the space that dust cap and interface piece two enclose, further improve dustproof effect.
8. In the invention, the dustproof cap is sleeved outside the second interface part, and the positioning bulge is aligned with the positioning hole and penetrates out, so that the connection between the dustproof cap and the second interface part can be realized, the structure is simple, and the operation is convenient.
9. The one-way valve assembly, the silencing assembly and the first interface piece are integrally formed and processed, the structure is compact, and the difficulty and the complexity of the arrangement of the pipeline assembly are reduced.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic view of the main structure of the present invention;
FIG. 3 is a schematic view of a cover structure according to the present invention;
FIG. 4 is a schematic view of the exhaust passage of the present invention;
FIG. 5 is a schematic view of an intake passage in the present invention;
FIG. 6 is an enlarged view of a portion A of FIG. 1;
FIG. 7 is a schematic structural view of a second interface member of the present invention;
FIG. 8 is a schematic view of the dust cap of the present invention;
in the figure: 1-one-way valve component, 101-valve body, 102-valve plate, 103-interface part II, 1031-vent hole III, 1032-positioning column, 1033-positioning bulge, 104-reinforcing rib, 2-interface part I, 3-noise reduction component, 31-cylinder, 311-vent hole I, 312-groove, 32-bottom plate, 321-vent hole II, 322-clamping groove, 33-cover body, 331-circular part, 332-clamping part, 4-sealing ring, 5-dust cap, 51-vent hole IV, 52-positioning hole and 6-filter cotton.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-8, comprises
One end of the one-way valve component 1 is used for communicating with compressed air,
one end of the interface piece I2 is used for connecting with an air suspension system,
the silencing component 3 comprises a cylinder 31, a bottom plate 32 and a cover body 33, the cylinder 31, the one-way valve component 1 and the first interface piece 2 are communicated with each other to form a three-way structure,
the bottom plate 32 is arranged at the lower side of the cylinder 31, the cover 33 covers the outer side of the cylinder 31, the cover 33 is connected with the bottom plate 32,
the cover body 33 is hollow, a first vent hole 311 is formed in the outer wall of the cylinder body 31, a second vent hole 321 is formed in the bottom plate 32, the cylinder body 31 is filled with a silencing material, and a silencing channel is formed by the inner cavity of the cylinder body 31, the first vent hole 311, the inner cavity of the cover body 33 and the second vent hole 321.
When the air in the air suspension system needs to be exhausted, the air flow direction is as shown in fig. 2, the check valve assembly 1 is closed, the air is exhausted from the cavity of the first interface part to the external space through the inner cavity of the cylinder 31, the first vent hole 311, the inner cavity of the cover 33 and the second vent hole 321 in sequence, and the noise generated when the air is exhausted is eliminated because the inner cavity of the cylinder 31 is provided with the silencing material.
When high-pressure air needs to be filled into the air suspension system, the gas flow direction is as shown in fig. 3, the check valve assembly 1 is opened, and the high-pressure air enters the cavity of the first interface part and further enters the air suspension system; meanwhile, the outside air enters the cavity of the first interface part from the second vent hole 321, the inner cavity of the cover body 33, the first vent hole 311 and the inner cavity of the cylinder body 31, and finally enters the air suspension system. Compressed air and compressed air enter the air suspension system at the same time, which is beneficial to reducing air inlet time and improving the response sensitivity of the air suspension system.
Wherein, lid 33 lid closes in the outside of barrel 31, plays the effect of fixed amortization material, blows off amortization material when avoiding gas outgoing, and simultaneously, lid 33 plays the effect of sheltering from, reduces the chance that amortization material and outside air contacted, avoids the impurity among the outside air to get into amortization material, influences amortization material's result of use.
The embodiment not only can eliminate the noise generated when the air suspension system exhausts, but also can ensure the air inlet speed when the air suspension system admits air.
Further, the number of the first vent holes 311 is two, and the first vent holes are symmetrically arranged on two sides of the cylinder 31.
Furthermore, two vent holes 321 are symmetrically arranged on two sides of the bottom plate 32.
Further, the inner side of the cover 33 is provided with a circular ring 331, the circular ring 331 is sleeved on the outer side of the cylinder 31,
a sealing ring 4 is arranged between the circular ring portion 331 and the cylinder body 31, a groove 312 is formed in the outer wall of the cylinder body 31 along the circumferential direction, the groove 312 is located at one end far away from the first interface piece 2, and the sealing ring 4 is arranged in the groove 312.
In this embodiment, the circular ring 331 is sleeved outside the cylinder 31, and the circular ring 331 and the inner cylinder are sealed by the sealing ring 4, so that the air flow is prevented from rushing out from a gap between the circular ring 331 and the inner cylinder during exhaust, and noise generated during quick rushing out of the air flow is avoided.
Furthermore, the bottom plate 32 is provided with two slots 322 on both sides thereof, the cover 33 is provided with two locking portions 332 on both sides thereof, and the locking portions 332 are locked in the slots 322.
In this embodiment, the cover 33 and the bottom plate 32 are quickly connected by engaging the engaging portion 332 in the engaging groove 322.
Further, the check valve assembly 1 includes
The valve body 101 is connected with the cylinder 31 and the first interface piece 2 to form a three-way structure,
a valve plate 102 disposed in the valve body 101,
a second interface piece 103 arranged at one end of the valve body 101, one end of the second interface piece 103 is used for communicating with compressed air, a plurality of vent holes 1031 are arranged on the end surface of the other end,
the second interface 103 and the valve plate 102 are arranged in sequence according to the air inlet direction.
In this embodiment, when high-pressure air needs to be charged into the air suspension system, the valve plate 102 is opened, and the high-pressure air passes through the vent holes three 1031, the gap between the valve plate 102 and the valve body 101 in sequence, enters the cavity of the interface piece one 2, and finally enters the air suspension system; when needing to exhaust, under the pressure differential effect, valve block 102 laminating is on three 1031 of air vent, and valve block 102 closes, and gas flows out to the exterior space from amortization subassembly 3.
Further, the valve sheet 102 is an elastic member,
one end of the second interface piece 103 close to the valve plate 102 is further provided with a positioning column 1032, and the circle center of the valve plate 102 is sleeved on the positioning column 1032.
When the valve plate 102 is installed, firstly, the valve plate 102 is sleeved on the positioning column 1032, and then the second interface piece 103 is installed on the valve body 101, so that the structure is simple, and the operation is convenient; when the valve plate 102 is made of an elastic material, such as rubber, and high-pressure air needs to be filled into the air suspension system, the valve plate 102 deforms under the action of pressure difference, a gap is generated between the valve plate 102 and the valve body 101, and the valve plate 102 is opened.
Further, a reinforcing rib 104 is arranged in the valve body 101, and the reinforcing rib 104 and the second interface piece 103 are respectively located on two sides of the valve plate 102.
When high-pressure air needs to be filled into the air suspension system, the valve plate 102 deforms under the action of pressure difference, and the reinforcing rib 104 on the right side of the valve plate 102 plays a limiting role and is used for limiting the opening angle of the valve plate 102, so that the air flow is controlled.
Further, the end of the second interface element 103 is also provided with a dust cap 5, the dust cap 5 is hollow, and the end face of the dust cap 5 away from the second interface element 103 is provided with a plurality of vent holes 51.
Further, a cavity enclosed by the dust cap 5 and the second interface piece 103 is internally provided with filter cotton 6.
The vent hole four 51 arranged on the end face of the dust cap 5 in the embodiment is used for ventilation on one hand, and can prevent large-particle impurities from entering the inside of the check valve component 1 on the other hand; the interior of the dustproof cap 5 is hollow, and filter cotton 6 can be placed in the space enclosed by the dustproof cap 5 and the second interface piece 103 according to the needs of a user, so that the dustproof effect is further improved.
Further, the side wall of the dust cap 5 is provided with a positioning hole 52, and the end of the second interface piece 103 is provided with a positioning protrusion 1033 corresponding to the positioning hole 52.
In this embodiment, the dust cap 5 is sleeved outside the second interface component 103, and the positioning protrusion 1033 penetrates through the positioning hole 52 in alignment with the positioning hole, so that the connection between the dust cap 5 and the second interface component 103 can be realized, and the structure is simple and the operation is convenient.
Further, the check valve component 1, the silencing component 3 and the first interface piece 2 are integrally formed and processed.
In this embodiment, the check valve assembly 1, the silencing assembly 3 and the first interface piece 2 are formed by integral forming and processing, the structure is compact, and the difficulty and the complexity of the arrangement of the pipeline assembly are reduced.
Furthermore, the number of the vent holes three 1031 is six, and the vent holes are uniformly distributed along the circumferential direction of the end face of the interface piece two 103.
Furthermore, the plurality of vent holes four 51 are distributed on the end face of the dust cap 5 in an array mode, and the diameter of each vent hole four 51 is 1/20-1/30 of the diameter of the end face of the dust cap 5.
Further, the number of the positioning holes 52 is four, and the positioning protrusions 1033 are uniformly distributed along the circumferential direction of the dust cap 5, and the positioning protrusions are uniformly distributed along the circumferential direction of the second interface member 103.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a check valve with amortization function which characterized in that: comprises that
A one-way valve assembly (1) with one end used for communicating with compressed air,
an interface piece I (2), one end of which is used for connecting with an air suspension system,
the silencing assembly (3) comprises a cylinder body (31), a bottom plate (32) and a cover body (33), the cylinder body (31), the one-way valve assembly (1) and the interface piece I (2) are communicated with each other to form a three-way structure,
the bottom plate (32) is arranged at the lower side of the cylinder body (31), the cover body (33) covers the outer side of the cylinder body (31), and the cover body (33) is connected with the bottom plate (32),
the cover body (33) is hollow, a first vent hole (311) is formed in the outer wall of the barrel body (31), a second vent hole (321) is formed in the bottom plate (32), a silencing material is filled in the barrel body (31), and a silencing channel is formed by the inner cavity of the barrel body (31), the first vent hole (311), the inner cavity of the cover body (33) and the second vent hole (321).
2. The check valve with a silencing function according to claim 1, wherein: the inner side of the cover body (33) is provided with a circular ring part (331), the circular ring part (331) is sleeved on the outer side of the cylinder body (31),
the sealing ring is characterized in that a sealing ring (4) is arranged between the circular ring portion (331) and the cylinder body (31), a groove (312) is formed in the outer wall of the cylinder body (31) along the circumferential direction, the groove (312) is located at one end, away from the interface piece I (2), of the sealing ring (4) is arranged in the groove (312).
3. The check valve with a silencing function according to claim 1, wherein: the bottom plate (32) both sides are provided with draw-in groove (322), lid (33) both sides are provided with card portion (332), card portion (332) card is established in draw-in groove (322).
4. The check valve with a silencing function according to claim 1, wherein: the one-way valve assembly (1) comprises
The valve body (101) is connected with the cylinder body (31) and the first interface piece (2) to form a three-way structure,
a valve plate (102) arranged in the valve body (101),
a second interface piece (103) arranged at one end of the valve body (101), wherein one end of the second interface piece (103) is used for being communicated with compressed air, a plurality of vent holes III (1031) are arranged on the end surface of the other end,
according to the air inlet direction, the second interface part (103) and the valve plate (102) are arranged in sequence.
5. The check valve with a noise reduction function according to claim 4, wherein: the valve plate (102) is an elastic component,
one end, close to the valve plate (102), of the second interface piece (103) is further provided with a positioning column (1032), and the circle center of the valve plate (102) is sleeved on the positioning column (1032).
6. The check valve with a noise reduction function according to claim 4, wherein: and reinforcing ribs (104) are arranged in the valve body (101), and the reinforcing ribs (104) and the second interface piece (103) are respectively positioned on two sides of the valve plate (102).
7. The check valve with a noise reduction function according to claim 4, wherein: the end part of the second interface part (103) is also provided with a dustproof cap (5), the dustproof cap (5) is hollow, and the end face, far away from the second interface part (103), of the dustproof cap (5) is provided with a plurality of vent holes (51).
8. The check valve with a silencing function according to claim 7, wherein: and a cavity enclosed by the dustproof cap (5) and the second interface piece (103) is internally provided with filter cotton (6).
9. The check valve with a noise reduction function according to claim 8, wherein: the side wall of the dustproof cap (5) is provided with a positioning hole (52), and the end part of the second interface part (103) is provided with a positioning bulge (1033) corresponding to the positioning hole (52).
10. The check valve with a silencing function according to claim 1, wherein: the one-way valve assembly (1), the silencing assembly (3) and the interface piece I (2) are formed by integral forming and processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911086975.XA CN110789289B (en) | 2019-11-08 | 2019-11-08 | One-way valve with silencing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911086975.XA CN110789289B (en) | 2019-11-08 | 2019-11-08 | One-way valve with silencing function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110789289A true CN110789289A (en) | 2020-02-14 |
| CN110789289B CN110789289B (en) | 2024-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911086975.XA Active CN110789289B (en) | 2019-11-08 | 2019-11-08 | One-way valve with silencing function |
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| Country | Link |
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| CN (1) | CN110789289B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112046222A (en) * | 2020-08-18 | 2020-12-08 | 中国第一汽车股份有限公司 | Self-cleaning silencer for air intake and exhaust system of air suspension |
| CN112071294A (en) * | 2020-08-18 | 2020-12-11 | 中国第一汽车股份有限公司 | Silencer for air suspension air intake and exhaust system |
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| CN211252116U (en) * | 2019-11-08 | 2020-08-14 | 河北亚大汽车塑料制品有限公司 | One-way valve with silencing function |
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| CN103672071A (en) * | 2013-12-20 | 2014-03-26 | 孙达立 | Low-pressure protective valve for fuel oil evaporation system of passenger car |
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|---|---|---|---|---|
| CN112046222A (en) * | 2020-08-18 | 2020-12-08 | 中国第一汽车股份有限公司 | Self-cleaning silencer for air intake and exhaust system of air suspension |
| CN112071294A (en) * | 2020-08-18 | 2020-12-11 | 中国第一汽车股份有限公司 | Silencer for air suspension air intake and exhaust system |
| CN112046222B (en) * | 2020-08-18 | 2022-02-18 | 中国第一汽车股份有限公司 | Self-cleaning silencer for air intake and exhaust system of air suspension |
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| Publication number | Publication date |
|---|---|
| CN110789289B (en) | 2024-08-27 |
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