CN212296673U - Air spring air intake and exhaust system - Google Patents
Air spring air intake and exhaust system Download PDFInfo
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- CN212296673U CN212296673U CN202021032172.4U CN202021032172U CN212296673U CN 212296673 U CN212296673 U CN 212296673U CN 202021032172 U CN202021032172 U CN 202021032172U CN 212296673 U CN212296673 U CN 212296673U
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Abstract
The utility model relates to the technical field of vehicles, a air spring advances exhaust system is disclosed. This air spring advances exhaust system is including intercommunication gas circuit, muffler and filter, and the cross sectional shape of intercommunication gas circuit is smooth transition's arc structure, and the muffler includes first casing and sets up in the inside amortization piece of first casing, and first casing sets up in even ventilating the way and is linked together rather than, and the filter includes the second casing and sets up in the inside filter core of second casing, and the second casing sets up in even ventilating the way and is linked together rather than, and the second casing sets up with first casing interval. The utility model provides an air spring advances exhaust system, gaseous at first through the filter carry out the first noise reduction and filtration treatment, then discharge to the atmosphere after carrying out the second noise reduction treatment through the muffler, improved the noise reduction effect, prevent noise pollution; the trend of communicating gas circuit is arranged rationally, can reduce gaseous impact, reduces the noise between gaseous and the communicating gas circuit.
Description
Technical Field
The utility model relates to the technical field of vehicles, especially, relate to an air spring advances exhaust system.
Background
Currently, in vehicle design, in order to effectively improve the riding comfort of passengers, an air spring is generally adopted as a damping element. In order to ensure the relative stability of the floor height, the internal pressure of the air spring needs to be adjusted in real time along with the change of passenger capacity, and at the moment, the air inlet and exhaust processes need to be achieved through an air inlet and exhaust system.
The air spring air intake and exhaust system generally comprises a filter, a silencer and a communicating air passage, in the prior art, the silencer generally adopts a cavity structure, and the purpose of noise reduction is realized by the aid of an enlarged cavity through air in the communicating air passage, but the noise reduction effect of the structure is general; in addition, the existing communicating air passage has a sharp trend inflection point when being arranged. Is not favorable for the flow of gas and is easy to generate noise.
SUMMERY OF THE UTILITY MODEL
Based on above, the utility model aims to provide an air spring advances exhaust system can reduce gaseous impact, improves the noise reduction effect.
In order to achieve the purpose, the utility model adopts the following technical proposal:
an air spring intake and exhaust system comprising:
the cross section of the communicating gas path is in an arc structure with smooth transition;
the silencer comprises a first shell and a silencing piece arranged in the first shell, and the first shell is arranged on the continuous ventilation path and communicated with the continuous ventilation path;
the filter comprises a second shell and a filter element arranged in the second shell, the second shell is arranged on the continuous ventilation path and communicated with the continuous ventilation path, and the second shell and the first shell are arranged at intervals.
As a preferred scheme of the air spring air inlet and exhaust system, the first shell comprises a base and an outer cover which are clamped, and the noise reduction piece is arranged between the base and the outer cover.
As a preferable scheme of the air spring air inlet and exhaust system, an accommodating cavity is arranged on the base and is used for accommodating the silencing piece.
As a preferred scheme of an air spring air inlet and exhaust system, the noise reduction piece is made of sponge.
As a preferred scheme of an air spring air intake and exhaust system, one of the base and the outer cover is provided with an elastic clamp, the other one of the base and the outer cover is provided with a clamping groove, and the elastic clamp can be clamped in the clamping groove.
As a preferable scheme of the air spring air inlet and exhaust system, a sealing member is further arranged between the base and the outer cover.
In a preferred embodiment of the air spring air intake and exhaust system, one of the base and the outer cover is provided with an annular groove, and the sealing member is accommodated in the annular groove.
Preferably, the filter element is adhered to the inside of the second shell.
As a preferable scheme of the air spring air inlet and outlet system, the filter element is prepared by adopting one or two of polytetramethylene terephthalate and polyethylene terephthalate.
As a preferred scheme of the air spring air intake and exhaust system, the communicating air path is made of nylon materials.
The utility model has the advantages that:
the utility model provides an air spring air intake and exhaust system, including communicating gas circuit, muffler and filter interval set up on even ventilating circuit, through setting up the amortization spare, can realize the amortization to gas, the effect of making an uproar falls, compare the muffler of cavity structure in the prior art, this muffler has better noise cancelling effect, through setting up the filter core, can realize the filtration and the effect of making an uproar fall to gas, gas at first makes an uproar fall and filtration treatment through the filter, then discharges to the atmosphere after making an uproar fall through the muffler for the second time, noise cancelling effect is improved, prevent noise pollution; the cross-sectional shape of intercommunication gas circuit is smooth transition's arc structure, and the trend is arranged rationally, can reduce gaseous impact, reduces the noise between gaseous and the intercommunication gas circuit.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an air spring intake and exhaust system provided by an embodiment of the present invention;
FIG. 2 is an exploded view of a muffler of an air spring intake and exhaust system according to an embodiment of the present invention;
fig. 3 is an exploded schematic view of a filter of an air spring air intake and exhaust system according to an embodiment of the present invention.
In the figure:
1-communicating a gas circuit;
2-a silencer; 21-a first housing; 211-a base; 2111-a receiving cavity; 2112-card slot; 2113-annular groove; 212-a housing; 2121-a resilient clip; 22-a sound attenuating element; 23-a seal;
3-a filter; 31-a second housing; 311-an upper housing; 312-a lower housing; 32-filter element.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
As shown in fig. 1-3, the present embodiment provides an air spring air intake and exhaust system, which includes a communicating air path 1, a muffler 2 and a filter 3, wherein the cross-sectional shape of the communicating air path 1 is an arc-shaped structure with smooth transition, the muffler 2 includes a first housing 21 and a silencing piece 22 disposed inside the first housing 21, the first housing 21 is disposed on the communicating air path 1 and communicated therewith, the filter 3 includes a second housing 31 and a filter element 32 disposed inside the second housing 31, the second housing 31 is disposed on the communicating air path 1 and communicated therewith, and the second housing 31 and the first housing 21 are disposed at intervals.
The air spring air intake and exhaust system provided by the embodiment can realize the silencing and noise reduction effects on gas by arranging the silencing piece 22, compared with the silencer 2 with a hollow cavity structure in the prior art, the silencer 2 has a better silencing effect, the filtering and noise reduction effects on gas can be realized by arranging the filter element 32, the gas is firstly subjected to primary noise reduction and filtering treatment through the filter 3, and then is discharged to the atmosphere after being subjected to secondary noise reduction treatment through the silencer 2, so that the noise reduction effect is improved, and noise pollution is prevented; the cross-sectional shape of the communicating gas path 1 is of an arc-shaped structure with smooth transition, the trend is reasonable in arrangement, the impact of gas can be reduced, and the noise between the gas and the communicating gas path 1 is reduced.
Preferably, intercommunication gas circuit 1 adopts the nylon material to make, and among the prior art, intercommunication gas circuit 1 adopts the rubber material preparation to form usually, and the rubber material is softer, and the easy vibration noise that takes place of intercommunication gas circuit 1 when the gas flow. In this embodiment, the communicating gas circuit 1 is made of nylon, and the nylon is hard, and when the gas flows, the communicating gas circuit 1 is not easy to vibrate, and the noise is small. Of course, in other embodiments, the communicating air passage 1 may also be made of other hard materials.
Further, a plurality of mounting positions are arranged on the communication air path 1, a hoop is sleeved on each mounting position, and the communication air path 1 is mounted on the automobile body through the hoop to fix the air inlet and exhaust system of the air spring. Preferably, several mounting positions may be provided as many as the arrangement conditions allow, and it is understood that the communicating gas path 1 between two adjacent mounting positions is liable to vibrate, and therefore, the more the mounting positions are, the smaller the distance between two adjacent mounting positions is, the smaller the amplitude of vibration of the communicating gas path 1 is.
Further, as shown in fig. 2, the first housing 21 includes a base 211 and a cover 212 that are clamped together, and the noise suppressor 22 is disposed between the base 211 and the cover 212. Specifically, one of the base 211 and the cover 212 is provided with an elastic clip 2121, the other is provided with a slot 2112, and the elastic clip 2121 can be clamped in the slot 2112. By adopting the mode, the installation and the disassembly between the base 211 and the outer cover 212 are convenient, when the silencing piece 22 is damaged or fails and needs to be replaced, an operator can open the elastic clamp 2121 to separate the elastic clamp from the clamping groove 2112, then take the outer cover 212 off the base 211, take the failed silencing piece 22 out of the replaced silencing piece 22, then cover the outer cover 212 on the base 211, and enable the elastic clamp 2121 to be clamped in the clamping groove 2112. Preferably, the base 211 and the cover 212 are in an interference fit, which further improves the stability of the connection between the base 211 and the cover 212.
Preferably, the noise attenuating member 22 is made of sponge. The sponge has good silencing effect and low cost.
Further, a receiving chamber 2111 is provided in the base 211, and the receiving chamber 2111 is used for receiving the silencer 22. The receiving cavity 2111 serves to receive and carry the damper 22.
Further, a sealing member 23 is disposed between the base 211 and the cover 212. By providing the sealing member 23, the sealing effect between the base 211 and the cover 212 is improved, and the occurrence of gas leakage when gas is inside the muffler 2 is prevented.
Specifically, one of the base 211 and the housing 212 is provided with an annular groove 2113, and the seal 23 is received in the annular groove 2113. By providing the annular groove 2113, stable fixation of the seal member 23 can be achieved, preventing the seal member 23 from falling off. Preferably, the sealing member 23 is made of rubber.
Further, as shown in fig. 3, the filter element 32 is adhered to the inside of the second housing 31 to achieve stable fixation between the filter element 32 and the second housing 31. Preferably, filter element 32 is made from one or both of polytetramethylene terephthalate (PBT) and polyethylene terephthalate (PET). Compared with the paper filter element in the prior art, the mixed material of PBT and PET has better effects on noise reduction effect, filtering effect and service life.
Further, the second housing 31 includes an upper housing 311 and a lower housing 312, the upper housing 311 covers the lower housing 312, and the filter element 32 is disposed in the accommodating space defined by the upper housing 311 and the lower housing 312. In the present embodiment, the upper case 311 is welded to the lower case 312.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. An air spring air intake and exhaust system, comprising:
the cross section of the communicating gas path (1) is of an arc structure with smooth transition;
the silencer (2) comprises a first shell (21) and a silencing piece (22) arranged inside the first shell (21), and the first shell (21) is arranged on the communication air passage (1) and communicated with the communication air passage;
the filter (3) comprises a second shell (31) and a filter element (32) arranged inside the second shell (31), the second shell (31) is arranged on the communicating air path (1) and communicated with the communicating air path, and the second shell (31) and the first shell (21) are arranged at intervals.
2. Air spring air intake and exhaust system according to claim 1, characterized in that the first housing (21) comprises a base (211) and a cover (212) which are clamped together, and the silencing element (22) is arranged between the base (211) and the cover (212).
3. Air spring air intake and exhaust system according to claim 2, wherein the base (211) is provided with a receiving chamber (2111), and the receiving chamber (2111) is used for receiving the silencing member (22).
4. Air spring air intake and exhaust system according to claim 3, characterized in that the noise reduction member (22) is made of sponge.
5. Air spring air inlet and outlet system according to claim 2, characterized in that one of the base (211) and the outer cover (212) is provided with an elastic clip (2121), and the other is provided with a slot (2112), and the elastic clip (2121) can be clamped in the slot (2112).
6. Air spring air inlet and outlet system according to claim 2, characterized in that a seal (23) is further arranged between the base (211) and the housing (212).
7. Air spring air inlet and outlet system according to claim 6, characterized in that one of the base (211) and the housing (212) is provided with an annular groove (2113), the sealing member (23) being received in the annular groove (2113).
8. Air spring air inlet and outlet system according to claim 1, characterized in that the filter element (32) is glued to the inside of the second housing (31).
9. The air spring air intake and exhaust system according to claim 1, wherein the filter element (32) is prepared by using one or both of polytetramethylene terephthalate and polyethylene terephthalate.
10. Air spring air intake and exhaust system according to claim 1, wherein the communication air passage (1) is made of nylon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021032172.4U CN212296673U (en) | 2020-06-08 | 2020-06-08 | Air spring air intake and exhaust system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021032172.4U CN212296673U (en) | 2020-06-08 | 2020-06-08 | Air spring air intake and exhaust system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212296673U true CN212296673U (en) | 2021-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021032172.4U Active CN212296673U (en) | 2020-06-08 | 2020-06-08 | Air spring air intake and exhaust system |
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| Country | Link |
|---|---|
| CN (1) | CN212296673U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114889384A (en) * | 2022-05-26 | 2022-08-12 | 中国第一汽车股份有限公司 | Air intake and exhaust assembly of air suspension |
-
2020
- 2020-06-08 CN CN202021032172.4U patent/CN212296673U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114889384A (en) * | 2022-05-26 | 2022-08-12 | 中国第一汽车股份有限公司 | Air intake and exhaust assembly of air suspension |
| CN114889384B (en) * | 2022-05-26 | 2024-10-11 | 中国第一汽车股份有限公司 | Air suspension advances exhaust assembly |
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