Waterproof and breathable silencing bag for air supply unit of air suspension

Abstract

The invention provides a waterproof and breathable air suspension air supply unit silencing bag which comprises a first shell set, a second shell set and a waterproof and breathable valve arranged on the first shell set or the second shell set, and the first shell set and the second shell set are in butt joint to form a mounting space for containing an air suspension air supply unit. The waterproof ventilation valve achieves ventilation between the installation space and the outside and prevents water from entering the installation space, and the air suspension air supply unit is fixedly connected with the first shell set or the second shell set. The waterproof ventilation valve is arranged on the silencing bag, the effects of isolating water and keeping ventilation can be achieved, compared with an existing silencing bag provided with small ventilation holes, the silencing bag has the better ventilation, ventilation and waterproof effects, the situation that the interior of the silencing bag is moist and mildewed is prevented, and then the NVH performance is improved.

Description

Technical Field

[0001] The invention relates to the technical field of automobile air suspension systems, and in particular to a waterproof and breathable air suspension air supply unit silencer bag. Background Art

[0002] The arrangement method of the air suspension air supply unit is: the air compressor assembly is installed in a metal or plastic shell (usually called a silencer pack) through a vibration reduction unit (usually called a primary vibration reduction), and the shell is then connected to the vehicle body through another vibration reduction unit (usually called a secondary vibration reduction). The primary and secondary vibration reduction units mainly function to isolate the vibration of the air compressor assembly during operation.

[0003] Usually, holes are set on the shell of a traditional silencer pack for ventilation. However, after the air suspension air supply unit has been working for a long time, the moisture in the air and the water seepage during the driving of the vehicle will cause the inside of the silencer pack to become damp and moldy, thus affecting the NVH performance of the silencer pack.

[0004] In summary, there is an urgent need for a waterproof and breathable air suspension air supply unit silencer package to solve the problems existing in the prior art. Summary of the invention

[0005] The purpose of the present invention is to provide a waterproof and breathable air suspension air supply unit silencer bag, aiming to solve the problem that water infiltrates into the existing silencer bag, causing internal moisture and mold, and affecting the NVH performance of the silencer bag. The specific technical solution is as follows:

[0006] A waterproof and breathable air suspension air supply unit silencer package comprises a first shell group, a second shell group and a waterproof and breathable valve arranged on the first shell group or the second shell group. The first shell group and the second shell group are connected to form an installation space for accommodating the air suspension air supply unit. The waterproof and breathable valve enables the installation space to circulate with the outside air and prevents moisture from entering the installation space. The air suspension air supply unit is fixedly connected to the first shell group or the second shell group.

[0007] Preferably, the above technical solution also includes a mounting bracket; the air suspension air supply unit is installed on the inner side of the second shell group or the first shell group through a vibration damping bolt assembly 1, and the mounting bracket is installed on the outer side of the second shell group or the first shell group through a vibration damping bolt assembly 2.

[0008] Preferably in the above technical solution, the first shell group includes a first shell and a first liner arranged on the inner wall of the first shell, the second shell group includes a second shell and a second liner arranged on the inner wall of the second shell, and the butt end of the first shell and the butt end of the second shell are connected by bolts.

[0009] Preferably in the above technical solution, between the butt end of the first shell and the butt end of the second shell, the butt end located on the outer side is provided with a plurality of mounting holes along the circumferential direction, and the butt end located on the inner side is provided with a plurality of corresponding internal threaded connection parts along the circumferential direction; after the two butt ends are butt-joined, bolts are passed through the mounting holes and threadedly connected to the internal threaded connection parts.

[0010] Preferably in the above technical solution, the internal thread connection portion is an internal thread hole, or a through hole and a fixing nut arranged coaxially.

[0011] Preferably in the above technical solution, the materials of the first liner and the second liner are both polyester foam material.

[0012] Preferably in the above technical scheme, a clamping hole is provided on the first shell group or the second shell group, the waterproof breathable valve comprises a valve seat, a waterproof breathable membrane and a clamping column, the clamping column is arranged on the valve seat and the two constitute a valve body of a T-shaped structure, the clamping column is limited by a clamping foot at the lower end of the clamping column after being inserted into the clamping hole, a connecting channel is provided on the valve body, one end of the connecting channel is connected to the interior of the installation space, and the other end thereof is connected to the outside, and the waterproof breathable membrane is arranged in the connecting channel.

[0013] Preferably in the above technical solution, the waterproof breathable valve further includes a sealing ring, which is sleeved on the clamping column; after the clamping column is limited, the sealing ring seals between the valve seat and the first shell group or the second shell group.

[0014] Preferably in the above technical solution, a mounting cavity is provided on the first shell group or the second shell group, the clamping hole is arranged in the mounting cavity, and the mounting cavity is used to accommodate the valve seat.

[0015] Preferably in the above technical solution, the connecting passage includes an air permeable cavity and an air permeable passage, the air permeable cavity is provided on the valve seat, and the valve seat is circumferentially provided with a plurality of air permeable openings connecting the air permeable cavity and the outside, the clamping column is provided with an air permeable passage, one end of the air permeable passage is connected to the installation space, and the other end thereof is connected to the air permeable cavity, and the waterproof air permeable membrane is arranged at the connecting position of the air permeable cavity and the air permeable passage.

[0016] The application of the technical solution of the present invention has the following beneficial effects:

[0017] The present invention arranges a waterproof breathable valve on the silencer bag, which can achieve the effect of isolating moisture and maintaining air permeability. Compared with the existing silencer bag with ventilation holes, the present invention can achieve better ventilation and waterproof effects, prevent moisture and mold inside the silencer bag, and thus improve NVH (Noise, Vibration, Harshness) performance.

[0018] The waterproof breathable valve of the present invention includes a sealing ring. After the clamping column is limited, the sealing ring is pressed between the first shell group or the second shell group and the valve seat, thereby sealing the valve seat and the first shell group or the second shell group to prevent moisture from penetrating into the silencer package. At the same time, since the sealing ring is in a compressed state, it can generate an elastic force on the valve seat, so that the clamping foot tightly presses against the shell around the clamping hole, thereby ensuring that the waterproof breathable valve will not loosen after installation.

[0019] In addition to the above-described purposes, features and advantages, the present invention has other purposes, features and advantages. The present invention will be further described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The drawings constituting a part of this application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0021] Figure 1 It is an axonometric diagram of the waterproof and breathable air suspension air supply unit silencer package of the present invention from a first perspective;

[0022] Figure 2 yes Figure 1 Schematic diagram of the structure after hiding the first shell group;

[0023] Figure 3 yes Figure 1 Schematic diagram of the structure of the first shell group;

[0024] Figure 4 is a schematic diagram of the installation between the waterproof breathable valve and the first shell group;

[0025] Figure 5 It is an axonometric diagram of the waterproof and breathable air suspension air supply unit silencer package of the present invention from a second viewing angle;

[0026] Among them, 1. waterproof breathable valve, 1.1. valve seat, 1.2. waterproof breathable membrane, 1.3. breathable cavity, 1.4. breathable port, 1.5. sealing ring, 1.6. clamping column, 1.7. breathable channel, 1.8. clamping foot, 2. first shell, 2.1. installation cavity, 2.2. clamping hole, 3. second shell, 4. mounting bracket, 5. second liner, 6. air suspension air supply unit, 7. vibration damping bolt assembly 1, 8. vibration damping bolt assembly 2, 9. first liner, 10. internal threaded connection part, 11. installation hole. DETAILED DESCRIPTION

[0027] In order to facilitate the understanding of the present invention, the present invention will be described more fully below, and preferred embodiments of the present invention are provided. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used in the specification of the present invention herein are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0029] Example:

[0030] See also Figure 1-Figure 5 The present embodiment provides a waterproof and breathable air suspension air supply unit silencer package, comprising a first shell group, a second shell group and a waterproof and breathable valve 1 arranged on the first shell group or the second shell group. The first shell group and the second shell group are connected to form an installation space for accommodating the air suspension air supply unit 6, that is, the first shell group and the second shell group wrap the air suspension air supply unit 6 in the installation space, the waterproof and breathable valve 1 enables the installation space to circulate with the outside air and prevents moisture from entering the installation space, and the air suspension air supply unit 6 is fixedly connected to the first shell group or the second shell group.

[0031] Furthermore, the silencer package also includes a mounting bracket 4, and the mounting bracket 4 is used to realize the installation of the silencer package on the chassis of the entire vehicle; the air suspension air supply unit 6 is installed on the inner side of the second shell group or the first shell group through a vibration-damping bolt assembly 1 7, and the mounting bracket 4 is installed on the outer side of the second shell group or the first shell group through a vibration-damping bolt assembly 2 8. The vibration-damping bolt assembly 1 7 and the vibration-damping bolt assembly 2 8 are both prior art and can be purchased directly, so they are not described in detail in this embodiment; wherein, the vibration-damping bolt assembly 1 7 is the primary vibration reduction, and the vibration-damping bolt assembly 2 8 is the secondary vibration reduction, and the primary vibration reduction and the secondary vibration reduction can effectively buffer the vibration generated when the air suspension air supply unit is working.

[0032] Specifically, in this embodiment, the air suspension air supply unit 6 is installed on the inner side of the second shell group through the vibration-damping bolt assembly 1 7, and the mounting bracket 4 is installed on the outer side of the second shell group through the vibration-damping bolt assembly 2 8. In some cases, the air suspension air supply unit 6 and the mounting bracket 4 may be arranged on different shell groups, and those skilled in the art can adjust them according to design requirements, and they will not be listed one by one in this embodiment.

[0033] See also Figure 2 and Figure 3The first shell group includes a first shell 2 and a first liner 9 arranged on the inner wall of the first shell 2, and the second shell group includes a second shell 3 and a second liner 5 arranged on the inner wall of the second shell 3. The butt end of the first shell 2 and the butt end of the second shell 3 are connected by bolts.

[0034] Specifically, between the butt end of the first shell 2 and the butt end of the second shell 3, one butt end is inserted into the other butt end to achieve butt connection between the two, the butt end located on the outside is provided with a plurality of mounting holes 11 along the circumference, and the butt end located on the inside is provided with a plurality of internal threaded connection parts 10 correspondingly along the circumference; after the two butt ends are butt-jointed, bolts are passed through the mounting holes 11 and threadedly connected to the internal threaded connection parts 10.

[0035] Preferably, in order to achieve smooth docking of the two docking ends, the inner diameter of one docking end and the outer diameter of the other docking end should be dimensioned to provide a clearance fit so that one docking end can be smoothly embedded (inserted) into the interior of the other docking end.

[0036] See also Figure 2 and Figure 3 In this embodiment, an internal thread connection portion 10 is provided on the first shell 2, and a mounting hole 11 is provided on the second shell 3. After the butt end of the first shell 2 is embedded in the butt end of the second shell 3, the first shell 2 and the second shell 3 are fixed together by bolts.

[0037] Preferably, the internal thread connection part is an internal thread hole, or a through hole and a fixing nut arranged coaxially. When the internal thread connection part is an internal thread hole, the internal thread hole can be directly opened on the butt end of the shell; when the internal thread connection part is a through hole and a fixing nut arranged coaxially, a through hole is first opened on the butt end of the shell, and then the fixing nut is welded to the inner side of the butt end of the shell, so that the bolt can be threadedly connected.

[0038] Preferably, the first inner liner 9 and the second inner liner 5 are both made of polyester foam material, which can effectively reduce working noise.

[0039] Furthermore, the first shell group or the second shell group is provided with a clamping hole 2.2, such as Figure 4 As shown, Figure 4As shown, a first shell group is provided with a clamping hole 2.2; the waterproof breathable valve 1 includes a valve seat 1.1, a waterproof breathable membrane 1.2 and a clamping column 1.6, the clamping column 1.6 is arranged on the valve seat 1.1 and the two constitute a valve body with a T-shaped cross section along the axis direction of the clamping column, the clamping column 1.6 is inserted into the clamping hole 2.2 and is limited by a clamping foot 1.8 at the lower end of the clamping column 1.6, the valve body is provided with a connecting channel, one end of the connecting channel is connected to the inside of the installation space, and the other end is connected to the outside, and the waterproof breathable membrane 1.2 is arranged in the connecting channel. Specifically, the waterproof breathable membrane 1.2 itself has a waterproof and breathable effect, which can realize the flow of air between the installation space and the outside and prevent moisture from the outside from entering the installation space. The waterproof breathable membrane 1.2 is a prior art and will not be described in detail in this embodiment.

[0040] Preferably, the waterproof breathable valve 1 also includes a sealing ring 1.5, which is sleeved on the clamping column 1.6; after the clamping column 1.6 is limited, the sealing ring 1.5 is pressed between the first shell group or the second shell group and the valve seat 1.1 to achieve sealing between the valve seat 1.1 and the first shell group or the second shell group.

[0041] Preferably, a mounting cavity 2.1 is provided on the first shell group or the second shell group, and the clamping hole 2.2 is arranged in the mounting cavity 2.1. The mounting cavity 2.1 is used to accommodate the valve seat 1.1 to prevent the valve seat 1.1 from protruding relative to the shell group surface.

[0042] Preferably, the connecting passage comprises an air permeable cavity 1.3 and an air permeable passage 1.7, the air permeable cavity 1.3 is provided on the valve seat 1.1, and the valve seat 1.1 is circumferentially provided with a plurality of air holes 1.4 connecting the air permeable cavity 1.3 and the outside, the clamping column 1.6 is provided with an air permeable passage 1.7, one end of the air permeable passage 1.7 is connected to the installation space, and the other end thereof is connected to the air permeable cavity 1.3, and the waterproof air permeable membrane 1.2 is arranged at the connecting position of the air permeable cavity 1.3 and the air permeable passage 1.7.

[0043] Specifically, the waterproof breathable valve 1 in this embodiment is arranged on the first shell 2 of the first shell group, and the first shell 2 is provided with an installation cavity 2.1 and a clamping hole 2.2, and the sealing ring 1.5 is pressed between the bottom of the installation cavity 2.1 and the valve seat 1.1 to achieve a sealing effect; in addition, since the sealing ring 1.5 is elastic, it will provide an elastic force on the valve seat 1.1 after being pressed, so that the clamping foot 1.8 is tightly against the shell around the clamping hole 2.2, ensuring that the waterproof breathable valve will not loosen after installation.

[0044] Preferably, the outer diameter of the clamping foot 1.8 is larger than the hole diameter of the clamping hole 2.2, and the clamping foot 1.8 can undergo elastic deformation. On the one hand, the clamping foot 1.8 can pass through the clamping hole 2.2, and on the other hand, the clamping foot 1.8 can recover from deformation and press against the shell around the clamping hole 2.2 to achieve a limiting effect.

[0045] Preferably, the outer diameter of the clamping column 1.6 and the hole diameter of the clamping hole 2.2 can be interference fit or transition fit, which can achieve relative tightness between the clamping column 1.6 and the clamping hole 2.2 and prevent the waterproof breathable valve from loosening after installation.

[0046] Preferably, in some embodiments, more than two waterproof breathable valves 1 may be provided on the first shell group or the second shell group; similarly, in some embodiments, waterproof breathable valves may be provided on both the first shell group and the second shell group, thereby increasing the air flowability in the silencer bag.

[0047] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A waterproof and breathable air suspension air supply unit silencer bag, characterized in that: The invention comprises a first shell group, a second shell group and a waterproof breathable valve (1) arranged on the first shell group or the second shell group. The first shell group and the second shell group are connected to form an installation space for accommodating an air suspension air supply unit (6). The waterproof breathable valve (1) enables the installation space to circulate with the outside air and prevents moisture from entering the installation space. The air suspension air supply unit (6) is fixedly connected to the first shell group or the second shell group.

2. The waterproof and breathable air suspension air supply unit silencer bag according to claim 1, characterized in that: It also includes a mounting bracket (4); the air suspension air supply unit (6) is mounted on the inner side of the second shell group or the first shell group via a first vibration-damping bolt assembly (7), and the mounting bracket (4) is mounted on the outer side of the second shell group or the first shell group via a second vibration-damping bolt assembly (8).

3. The waterproof and breathable air suspension air supply unit silencer bag according to claim 1, characterized in that: The first shell group comprises a first shell (2) and a first inner liner (9) arranged on the inner wall of the first shell (2); the second shell group comprises a second shell (3) and a second inner liner (5) arranged on the inner wall of the second shell (3); the butt end of the first shell (2) and the butt end of the second shell (3) are connected by bolts.

4. The waterproof and breathable air suspension air supply unit silencer bag according to claim 3, characterized in that: Between the butt end of the first shell (2) and the butt end of the second shell (3), the butt end located on the outside is provided with a plurality of mounting holes (11) along the circumferential direction, and the butt end located on the inside is provided with a plurality of corresponding internal threaded connection parts (10) along the circumferential direction; after the two butt ends are butt-jointed, bolts are passed through the mounting holes (11) and are threadedly connected to the internal threaded connection parts (10).

5. The waterproof and breathable air suspension air supply unit silencer bag according to claim 4, characterized in that: The internal thread connection part is an internal thread hole, or a through hole and a fixing nut arranged coaxially.

6. The waterproof and breathable air suspension air supply unit silencer bag according to claim 3, characterized in that: The first inner liner (9) and the second inner liner (5) are both made of polyester foam material.

7. The waterproof and breathable air suspension air supply unit silencer bag according to claim 1, characterized in that: A clamping hole (2.2) is provided on the first shell group or the second shell group. The waterproof breathable valve (1) comprises a valve seat (1.1), a waterproof breathable membrane (1.2) and a clamping column (1.6). The clamping column (1.6) is arranged on the valve seat (1.1) and the two constitute a valve body of a T-shaped structure. After the clamping column (1.6) is inserted into the clamping hole (2.2), it is limited by a clamping foot (1.8) at the lower end of the clamping column (1.6). A communication channel is provided on the valve body, one end of the communication channel is connected to the interior of the installation space, and the other end thereof is connected to the outside. The waterproof breathable membrane (1.2) is arranged in the communication channel.

8. The waterproof and breathable air suspension air supply unit silencer bag according to claim 7, characterized in that: The waterproof breathable valve (1) further comprises a sealing ring (1.5), wherein the sealing ring (1.5) is sleeved on the clamping column (1.6); after the clamping column (1.6) is limited in position, the sealing ring (1.5) seals between the valve seat (1.1) and the first shell group or the second shell group.

9. The waterproof and breathable air suspension air supply unit silencer bag according to claim 7, characterized in that: The first shell group or the second shell group is provided with a mounting cavity (2.1), the clamping hole (2.2) is arranged in the mounting cavity (2.1), and the mounting cavity (2.1) is used to accommodate the valve seat (1.1).

10. The waterproof and breathable air suspension air supply unit silencer bag according to claim 7, characterized in that: The communication channel comprises a breathable cavity (1.3) and a breathable channel (1.7); the valve seat (1.1) is provided with the breathable cavity (1.3), and the valve seat (1.1) is provided with a plurality of breathable openings (1.4) in the circumferential direction for connecting the breathable cavity (1.3) and the outside; the clamping column (1.6) is provided with a breathable channel (1.7); one end of the breathable channel (1.7) is connected to the installation space, and the other end thereof is connected to the breathable cavity (1.3); and the waterproof breathable membrane (1.2) is arranged at the connecting position of the breathable cavity (1.3) and the breathable channel (1.7).

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