Silencer, air suspension assembly and vehicle

Abstract

The invention provides a silencer, an air suspension assembly and a vehicle, relates to the technical field of vehicles, and aims to reduce the size of the air suspension assembly. The silencer comprises a flow guide plate, a shell, an air suction end cover and a silencing piece. The guide plate has guide holes. The shell is provided with a containing space, the flow guide plate abuts against the inner wall of the containing space so that the containing space can be divided into a silencing cavity and a pressure reduction cavity, the silencing cavity communicates with the pressure reduction cavity through the flow guide hole, the silencing cavity is provided with an exhaust port, and the pressure reduction cavity is provided with an exhaust port used for being connected with an exhaust pipe. The air suction end cover extends from one side of the shell to the direction away from the shell to form an air suction cavity, the end, away from the shell, of the air suction cavity is provided with an air suction port and an air suction port, the air suction port communicates with the outside, and the air suction port is used for being connected with an air supply pipe. And the silencing piece is arranged in the silencing cavity. Therefore, the size of the air suspension assembly can be reduced, and the cost of the air suspension assembly can be reduced.

Description

Technical Field

[0001] The present application relates to the field of vehicle technology, and in particular to a muffler, an air suspension assembly and a vehicle. Background Art

[0002] The air supply unit of the air suspension assembly has an air intake and exhaust pipeline. In order to reduce the exhaust noise of the air supply unit, a muffler is separately arranged at the tail end of the exhaust pipeline in the related art. Since both the exhaust muffler and the air intake pipeline need to be arranged, in order to avoid interference, the air intake pipeline and the exhaust pipeline need to be arranged separately, which makes the air suspension assembly occupy a large space and has a high cost. Summary of the invention

[0003] In order to solve the above technical problems, the present application provides a muffler, an air suspension assembly and a vehicle, which are used to reduce the volume of the air suspension assembly.

[0004] In the first aspect, an embodiment of the present application provides a silencer, the silencer comprising: a guide plate, a shell, an air intake end cover and a silencer. The guide plate has a guide hole. The shell has a storage space, the guide plate abuts against the inner wall of the storage space to separate the storage space into a silencer chamber and a pressure reduction chamber, the silencer chamber is connected with the pressure reduction chamber through the guide hole, the silencer chamber has an exhaust port, the pressure reduction chamber has an exhaust port, the exhaust port is used to connect to an exhaust pipe, the air intake end cover extends from one side of the shell in a direction away from the shell to form an air intake chamber, the air intake chamber has an air intake port and an air intake port at one end away from the shell, the air intake port is connected to the outside, and the air intake port is used to connect to the air supply pipe; the silencer is arranged in the silencer chamber.

[0005] According to the silencer of the embodiment of the present application, by setting an exhaust port for connecting to the exhaust pipe on the shell, and setting an air intake end cover on one side of the shell, so that the air intake port of the air intake end cover is connected to the air supply pipe, the air intake pipeline and the exhaust pipeline of the air supply unit can be connected to the silencer, which is beneficial to reduce the volume of the air suspension component and also beneficial to reduce the cost of the air suspension component. At the same time, the housing space of the shell is divided into a silencer chamber and a pressure reduction chamber by a guide plate, and a silencer is set in the silencer chamber. The compressed air discharged from the exhaust port will first reduce the flow rate and pressure in the pressure reduction chamber, and then flow into the silencer chamber through the guide hole on the guide plate, and then through the silencer effect of the silencer, and finally discharged from the exhaust port, which is beneficial to improve the utilization rate of the silencer, and also beneficial to improve the noise reduction effect of the silencer, and then beneficial to improve the user experience.

[0006] In one possible implementation, an air suction connector is provided at the air suction port, and the air suction connector is used to connect the air supply pipe. Part of the air suction connector is located in the air suction cavity, and in the extension direction of the air suction cavity, the length of the air suction connector extending into the air suction cavity is greater than the length of the air suction port.

[0007] In a possible implementation, the muffler further includes a first stopper, which extends from an outer surface of the air suction connection piece in a direction away from the air suction connection piece and has a distance between the first stopper and the air suction port.

[0008] In one possible implementation, a plurality of limit protrusions are provided on the outer surface of the air intake connector, and the plurality of limit protrusions are arranged at intervals in the length direction of the air intake connector. In the direction from one end of the air intake connector away from the air intake end cover to the other end, the cross-sectional area of ​​the limit protrusions gradually increases.

[0009] In a possible implementation, the guide hole includes a first through hole and a second through hole, the second through hole is located on a side of the first through hole close to the exhaust port, and a diameter of the second through hole is larger than a diameter of the first through hole.

[0010] In one possible implementation, the shell includes a first shell and a second shell, the first shell having the silencing chamber, the silencing chamber having a first opening on a side facing the guide plate, the second shell having the pressure reduction chamber, the pressure reduction chamber having a second opening on a side facing the guide plate, and the first shell and the second shell are connected via the guide plate.

[0011] In a possible implementation, the shell further includes a support member, the support member is sleeved at a connection between the first shell and the second shell, and the guide plate is connected to the support member.

[0012] In a possible implementation, the exhaust port and the intake port are located on the same side of the shell.

[0013] In a second aspect, the present application provides an air suspension assembly, comprising an air supply unit and the above-mentioned muffler.

[0014] In a third aspect, the present application provides a vehicle comprising the above-mentioned air suspension assembly.

[0015] Among them, the technical effects brought about by any design method in the second aspect and the third aspect can refer to the technical effects brought about by different design methods in the first aspect, and will not be repeated here. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the present application.

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application or related technologies, the following briefly introduces the drawings required for use in the embodiments or related technical descriptions. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0018] Figure 1 A cross-sectional view of a muffler provided for some embodiments of the present application;

[0019] Figure 2 A partial schematic diagram of the connection between a muffler and an air supply unit provided in some embodiments of the present application;

[0020] Figure 3 A stereoscopic view of a muffler provided in accordance with some embodiments of the present application.

[0021] Reference numerals:

[0022] 100, muffler; 200, air supply pipe; 300, exhaust pipe;

[0023] 1. Guide plate;

[0024] 2. Shell; 21. Accommodating space; 211. Silence chamber; 2111. Exhaust port; 212. Pressure-reducing chamber; 2122. Exhaust port; 213. Exhaust connector; 214. Second stopper; 22. First shell; 221. First open port; 23. Second shell; 231. Second open port; 24. Support member;

[0025] 3. Inhalation end cover; 31. Inhalation cavity; 32. Inhalation port; 33. Inhalation port; 34. Inhalation connector; 341. First stopper; 342. Stopper protrusion;

[0026] 4. Silencers. DETAILED DESCRIPTION

[0027] In order to more clearly understand the above-mentioned purposes, features and advantages of the present application, the scheme of the present application will be further described below. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0028] In the description of the embodiments of the present application, it should be understood that the terms "upper", "lower", "front", "back", "bottom", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0029] In the description of the embodiments of the present application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, "connection" can be a detachable connection or a non-detachable connection; it can be a direct connection or an indirect connection through an intermediate medium. Among them, "fixed connection" means that the two are connected to each other and the relative position relationship after the connection remains unchanged. In addition, the directional terms mentioned in the embodiments of the present application, such as "inside", "outside", etc., are only references to the directions of the accompanying drawings. Therefore, the directional terms used are for better and clearer explanation and understanding of the embodiments of the present application, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present application.

[0030] In the description of the embodiments of the present application, the terms "comprise", "include" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the statement "comprises a ..." does not exclude the presence of other identical elements in the process, method, article or device including the element. In the absence of further restrictions, an element defined by the statement "comprises a ..." does not exclude the presence of other identical elements in the process, method, article or device including the element.

[0031] The air supply unit of the air suspension assembly has an air intake and exhaust pipeline. In order to reduce the exhaust noise of the air supply unit, a muffler is separately arranged at the tail end of the exhaust pipeline in the related art. Since both the exhaust muffler and the air intake pipeline need to be arranged, in order to avoid interference, the air intake pipeline and the exhaust pipeline need to be arranged separately, which makes the air suspension assembly occupy a large space and has a high cost.

[0032] In order to solve the above technical problems, the present application provides a muffler, an air suspension assembly and a vehicle.

[0033] The silencer according to the embodiment of the present application is described below.

[0034] See also Figure 1 and Figure 2 , Figure 1 A cross-sectional view of a muffler provided in some embodiments of the present application, Figure 2 A partial schematic diagram of the connection between the muffler and the air supply unit provided in some embodiments of the present application, Figure 3 A stereoscopic diagram of a muffler provided in some embodiments of the present application. The muffler 100 is applied to an air supply unit of an air suspension assembly, and the muffler 100 may include a guide plate 1 , a housing 2 , an air intake end cover 3 and a muffler 4 .

[0035] The housing 2 may have a storage space 21. The storage space 21 is a space enclosed by the inner wall of the housing 2. The housing 2 may be in a cube, cylinder, or other shape. The shape of the storage space 21 may be similar to that of the housing 2, and this application does not limit this.

[0036] The guide plate 1 abuts against the inner wall of the accommodating space 21 to divide the accommodating space 21 into a muffler chamber 211 and a decompression chamber 212. The guide plate 1 has a guide hole, and the muffler chamber 211 is connected to the decompression chamber 212 through the guide hole. Specifically, the guide hole runs through the guide plate 1, and the gas in the decompression chamber 212 can flow into the muffler chamber 211 through the guide hole.

[0037] The muffler 4 may be disposed in the muffler cavity 211. Specifically, the muffler cavity 211 is filled with the muffler 4, which can reduce the noise when the gas passes through.

[0038] The muffler chamber 211 may have an exhaust port 2111. Exemplarily, there may be a plurality of exhaust ports 2111, and the plurality of exhaust ports 2111 may be arranged at intervals along the circumferential direction at the edge of the end of the housing 2.

[0039] The decompression chamber 212 may have an exhaust port 2122, and the exhaust port 2122 may be used to connect with the exhaust pipe 300. Specifically, the compressed air discharged from the air supply unit through the exhaust pipe 300 may first enter the decompression chamber 212 through the exhaust port 2122, the flow rate and pressure of the compressed air entering the decompression chamber 212 are reduced, and then flow into the muffler chamber 211 through the guide hole, and finally be discharged from the exhaust port 2111 after the muffler 4 in the muffler chamber 211 has a muffler effect.

[0040] Thus, the compressed air discharged from the air supply unit can be diffused through the pressure reduction chamber 212 first, which is beneficial to improve the utilization rate of the silencer 4 and further beneficial to improve the silencer effect of the silencer 100.

[0041] Exemplarily, the silencer 4 can be made of a hydrophobic silencer material, so that the silencer 4 has both sound-absorbing and hydrophobic properties, thereby reducing the flow resistance of the silencer 100, making it easier for the compressed air to carry out liquid water. Combined with the low-level drainage design, under natural conditions, liquid water can rely on gravity to flow out from the exhaust port 2111 of the silencer 100.

[0042] Exemplarily, the silencer 4 may be polyimide foam, rigid polyvinyl chloride silencer pipe, etc., which is not limited in the present application.

[0043] The air intake end cover 3 can extend from one side of the shell 2 in a direction away from the shell 2 to form an air intake chamber 31. The end of the air intake chamber 31 away from the shell 2 can have an air intake port 32 and an air intake port 33. The air intake port 33 can be used to connect with the air supply pipe 200. Specifically, since the air intake port 32 can be connected to the outside atmosphere and the air intake port 33 is connected to the air supply pipe 200, the air intake port 32 can suck the compressed air in the outside atmosphere into the air intake chamber 31, and the compressed air in the air intake chamber 31 then enters the air supply pipe 200 through the air intake port 33, thereby realizing the air supply of the air supply unit.

[0044] Exemplarily, the air intake cover 3 and the housing 2 may be an integrally formed part, thereby improving the connection strength between the air intake cover 3 and the housing 2 and also helping to reduce the difficulty of assembling the muffler 100 .

[0045] According to the muffler 100 of the embodiment of the present application, by providing an exhaust port 2122 for connecting to the exhaust pipe 300 on the shell 2, and providing an intake end cover 3 on one side of the shell 2, so that the intake port 33 of the intake end cover 3 is connected to the air supply pipe 200, the intake pipeline and the exhaust pipeline of the air supply unit can be connected to the muffler 100, which is beneficial to reducing the volume of the air suspension assembly and also beneficial to reducing the cost of the air suspension assembly. At the same time, the accommodating space 21 of the shell 2 is divided into a silencer chamber 211 and a pressure reducing chamber 212 by the guide plate 1, and a silencer 4 is arranged in the silencer chamber 211. The compressed air discharged from the exhaust port 2122 will first reduce the flow rate and pressure in the pressure reducing chamber 212, and then flow into the silencer chamber 211 through the guide holes on the guide plate 1, and then pass through the silencer effect of the silencer 4, and finally be discharged from the exhaust port 2111, which is beneficial to improve the utilization rate of the silencer 4, and also beneficial to improve the noise reduction effect of the silencer 100, and further beneficial to improve the user experience.

[0046] Please continue reading Figure 1-Figure 3 In some embodiments, an air suction connector 34 may be provided at the air suction port 33. The air suction connector 34 may be used to connect the air supply pipe 200. Thus, it is convenient for the staff to connect the air supply pipe 200, which is beneficial to improve the assembly efficiency of the air suspension assembly.

[0047] Part of the air suction connector 34 is located in the air suction cavity 31, and in the extension direction of the air suction cavity 31, the length of the air suction connector 34 extending into the air suction cavity 31 is greater than the length of the air suction port 32. Specifically, in the extension direction of the air suction cavity 31, the part of the air suction connector 34 extending into the air suction cavity 31 can extend to the outside of the air suction port 32, the part of the air suction connector 34 in the air suction cavity 31 is connected to the air suction port 32, and the part of the air suction connector 34 outside the air suction cavity 31 is used to connect the air supply pipe 200. In this way, the risk of larger particles and liquid water being sucked into the air supply unit can be reduced, which is conducive to improving the reliability of the use of the air suspension component.

[0048] For example, there may be a plurality of air inlets 32, and the plurality of air inlets 32 may be arranged at intervals in the circumferential direction of the air inlet connector 34. This helps to improve the air inlet efficiency of the air supply unit.

[0049] Please continue reading Figure 1-Figure 3 In some embodiments, the muffler 100 may further include a first stopper 341, which extends from the outer surface of the air suction connector 34 in a direction away from the air suction connector 34, and has a spacing with the air suction port 32. Specifically, the first stopper 341 is disposed on the outer surface of the air suction connector 34, and in the radial direction of the air suction connector 34, the first stopper 341 extends in a direction away from the air suction connector 34. Thus, the installation position of the air supply pipe 200 can be limited by the first stopper 341, ensuring that the air supply pipe 200 can be installed in place during the installation process, thereby facilitating the assembly efficiency of the air supply pipe 200. At the same time, it can also be prevented that the air supply pipe 200 affects the air suction of the air suction port 32.

[0050] Please continue reading Figure 1-Figure 3 In some embodiments, the outer surface of the air intake connector 34 may be provided with a plurality of limiting protrusions 342. The plurality of limiting protrusions 342 are arranged at intervals in the length direction of the air intake connector 34. In the direction from one end of the air intake connector 34 away from the air intake end cover 3 to the other end, the cross-sectional area of ​​the limiting protrusion 342 gradually increases. Thus, the limiting protrusion 342 can guide the installation of the air supply pipe 200, and the air supply pipe 200 can be stuck in the gap between two adjacent limiting protrusions 342, so that the air supply pipe 200 can be fixed, and the structure is simple, which is conducive to improving the assembly efficiency of the air supply pipe 200, and is conducive to reducing the manufacturing cost of the muffler 100.

[0051] Please continue reading Figure 1-Figure 3In some embodiments, the muffler 100 may further include an exhaust connector 213. The exhaust connector 213 is disposed at the exhaust port 2122 and is used to connect the exhaust pipe 300. A second stopper 214 may be provided on the outer surface of the exhaust connector 213, and a gap is provided between the second stopper 214 and the housing 2. Thus, the installation position of the exhaust pipe 300 may be limited by the second stopper 214, ensuring that the exhaust pipe 300 can be installed in place during the installation process, thereby facilitating the improvement of the assembly efficiency of the air supply pipe 200.

[0052] It should be noted that the structure of the exhaust connector 213 may be similar to that of the air intake connector 34 , that is, the exhaust connector 213 may also be provided with a limiting protrusion 342 , which will not be described in detail here.

[0053] Please continue reading Figure 1-Figure 3 In some embodiments, the guide hole may include a first through hole and a second through hole. The second through hole is located on a side of the first through hole close to the exhaust port 2122, and the aperture of the second through hole is larger than the aperture of the first through hole. Specifically, the flow rate of the compressed air with a faster flow rate can be reduced by passing through the first through hole. As a result, in the process of the compressed air in the decompression chamber 212 flowing to the silencer chamber 211 through the guide hole, the flow rate of the compressed air flowing into the silencer chamber 211 can be controlled by the difference in the apertures of the first through hole and the second through hole, so that the speed at which the compressed air flows into the silencer chamber 211 can be close, thereby improving the utilization rate of the silencer 4, which is beneficial to improving the noise reduction effect of the silencer 100.

[0054] Please continue reading Figure 1-Figure 3 In some embodiments, the housing 2 may include a first shell 22 and a second shell 23. The first shell 22 may have a muffler cavity 211, and the muffler cavity 211 has a first open port 221 on the side facing the guide plate 1. The second shell 23 has a decompression cavity 212, and the decompression cavity 212 has a second open port 231 on the side facing the guide plate 1. The first shell 22 and the second shell 23 are connected through the guide plate 1. Specifically, one side of the guide plate 1 is connected to the first shell 22 and blocks the first open port 221, and the other side of the guide plate 1 is connected to the second shell 23 and blocks the second open port 231. This arrangement makes it easy to fill the muffler 4 into the muffler cavity 211 through the first open port 221. At the same time, the structure is simple and easy to assemble, which is conducive to reducing the manufacturing cost of the muffler 100.

[0055] Please continue reading Figure 1-Figure 3In some embodiments, the housing 2 may further include a support member 24. The support member 24 is sleeved at the connection between the first shell 22 and the second shell 23, and the guide plate 1 is connected to the support member 24. The support member 24 may be first connected to the first shell 22, and then the guide plate 1 is placed at the first open port 221, so that the guide plate 1 abuts against the first shell 22 and the support member 24, and then the second shell 23 abuts against the guide plate 1, and the second shell 23 is connected to the support member 24, and then the guide plate 1 is clamped by the first shell 22 and the second shell 23, thereby completing the assembly of the guide plate 1. Therefore, by setting the support member 24, support can be provided for the installation of the guide plate 1, so that the guide plate 1 can be better assembled, and it is helpful to reduce the difficulty of assembly, and then it is helpful to improve the assembly efficiency of the muffler 100.

[0056] Exemplarily, the first shell 22 may be made of plastic with a certain light transmittance, the second shell 23 may be made of plastic with a relatively poor light transmittance, and the second shell 23 and the support member 24 may be welded by laser.

[0057] For example, the first housing 22 and the support member 24 may be an integrally formed part, thereby improving the connection strength between the first housing 22 and the support member 24 and facilitating the installation of the second housing 23 , thereby improving the assembly efficiency of the muffler 100 .

[0058] Please continue reading Figure 1-Figure 3 In some embodiments, the exhaust port 2122 and the air intake port 33 may be located on the same side of the housing 2. Thus, the air supply pipe 200 and the exhaust pipe 300 may be better arranged, which may save arrangement space and thus help reduce the weight and manufacturing cost of the air suspension assembly.

[0059] The air suspension assembly of the embodiment of the present application is described below.

[0060] The air suspension assembly of the embodiment of the present application includes an air supply unit and the muffler 100 of any one of the above embodiments, which is helpful to reduce the volume of the air suspension assembly and also helpful to reduce the cost of the air suspension assembly.

[0061] The vehicle according to the embodiment of the present application is described below.

[0062] The vehicle of the embodiment of the present application includes the above-mentioned air suspension assembly. The vehicle may be a new energy vehicle, an electric vehicle, a fuel vehicle, etc. This is conducive to reducing the noise of the air suspension assembly when it is working, thereby helping to improve the quietness of the vehicle.

[0063] In the description of this specification, specific features, structures, materials or characteristics may be combined in an appropriate manner in any one or more embodiments or examples.

[0064] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A muffler, applied to an air supply unit of an air suspension assembly, characterized in that: The silencer comprises: A guide plate, wherein the guide plate has guide holes; A shell, wherein the shell has a containing space, the guide plate abuts against the inner wall of the containing space to separate the containing space into a muffler chamber and a pressure reduction chamber, the muffler chamber and the pressure reduction chamber are communicated through the guide hole, the muffler chamber has an exhaust port, the pressure reduction chamber has an exhaust port, and the exhaust port is used to be connected to an exhaust pipe; An air intake end cover, the air intake end cover extends from one side of the shell in a direction away from the shell to form an air intake cavity, the end of the air intake cavity away from the shell has an air intake port and an air intake port, the air intake port is connected to the outside, and the air intake port is used to connect to the air supply pipe; A silencer is disposed in the silencer cavity.

2. The muffler according to claim 1, characterized in that: An air suction connector is provided at the air suction port, and the air suction connector is used to connect the air supply pipe. Part of the air suction connector is located in the air suction cavity, and in the extension direction of the air suction cavity, the length of the air suction connector extending into the air suction cavity is greater than the length of the air suction port.

3. The muffler according to claim 2, characterized in that: The muffler further includes a first stopper, which extends from an outer surface of the air suction connection piece in a direction away from the air suction connection piece and has a distance between the first stopper and the air suction port.

4. The muffler according to claim 2, characterized in that: The outer surface of the air intake connector is provided with a plurality of limiting protrusions, which are arranged at intervals in the length direction of the air intake connector, and the cross-sectional area of ​​the limiting protrusions gradually increases in the direction from one end of the air intake connector away from the air intake end cover to the other end.

5. The muffler according to claim 1, characterized in that: The guide hole includes a first through hole and a second through hole, the second through hole is located at a side of the first through hole close to the exhaust port, and the aperture of the second through hole is larger than the aperture of the first through hole.

6. The muffler according to claim 1, characterized in that: The shell includes a first shell and a second shell, the first shell has the silencing chamber, the silencing chamber has a first opening on a side facing the guide plate, the second shell has the pressure reduction chamber, the pressure reduction chamber has a second opening on a side facing the guide plate, and the first shell and the second shell are connected via the guide plate.

7. The muffler according to claim 6, characterized in that: The shell further comprises a support member, the support member is sleeved at a connection between the first shell and the second shell, and the guide plate is connected to the support member.

8. The muffler according to claim 1, characterized in that: The exhaust port and the intake port are located on the same side of the housing.

9. An air suspension assembly, characterized in that: The utility model comprises an air supply unit and the silencer according to any one of claims 1 to 8.

10. A vehicle, characterized in that: The invention comprises the air suspension assembly as claimed in claim 9.

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