Noise reduction device for air suspension air pump

Abstract

The utility model relates to the technical field of air suspensions, in particular to a noise reduction device for an air pump of an air suspension, which comprises an air pump, an air spring, a mounting shell and a noise reduction auxiliary component, the air pump is mounted in the mounting shell, the air pump is connected with the air spring through an air pipe, and the air pipe extends out of the mounting shell and is connected with a silencer; silencing cotton is arranged in the mounting shell through a noise reduction auxiliary assembly; the mounting groove is formed in the mounting shell and used for positioning of the silencing cotton and noise reduction of the air pump, the silencing cotton is flattened through the pressing plate in the noise reduction auxiliary assembly, laying stability of the silencing cotton is guaranteed, meanwhile, the position of the silencing cotton is fixed through the crossed supporting plate, rapid mounting of the silencing cotton is achieved, and the silencing cotton is convenient to replace after being damaged.

Description

Technical Field

[0001] The utility model relates to the technical field of air suspensions, in particular to a noise reduction device for an air suspension air pump. Background Art

[0002] The automobile suspension system is a general term for all force-transmitting connection devices between the frame and the axle or wheel. Its function is to transmit the force and torque acting between the wheel and the frame, cushion the impact force transmitted to the frame or body by the uneven road surface, and attenuate the vibration caused thereby to ensure that the car can run smoothly; the air suspension uses air springs as elastic elements and has been recognized by the market for its superior stiffness characteristics. It plays a vital role in improving the comfort of the vehicle. The use of air suspension in shuttle buses is becoming more and more common; air springs need to be used with air pumps.

[0003] The Chinese patent document with the existing announcement number CN213331469U discloses an air pump noise reduction and vibration reduction device, which relates to the technical field of air pump auxiliary installation equipment and aims to solve the technical problem of inconvenient pump body installation and disassembly. The key points of its technical solution are as follows: it includes a shell, a pump body is arranged in the shell, a pair of mounting seats are arranged in the shell, a pair of mounting rods are arranged on the mounting seats, mounting ring grooves are arranged on the mounting rods, a pair of mounting plates are arranged on both sides of the pump body, mounting grooves are arranged on the mounting plates, and the mounting plates are inserted into the mounting ring grooves through the mounting grooves. During installation, the tops of the two mounting seats are first manually pulled apart, and the pump body is placed between the two mounting seats. Thereafter, the mounting seats recover their deformation, and the mounting plates on both sides of the pump body are inserted into the mounting ring grooves on the mounting rods, so that the installation of the pump body can be quickly completed. When disassembly is required, the mounting seats need to be manually pulled apart to take out the pump body, so disassembly is convenient. Overall, it has the advantage that no additional auxiliary tools are required for installation and disassembly, so disassembly and assembly are convenient.

[0004] However, in the above scheme and the prior art, sound-absorbing cotton is arranged around the air pump to reduce noise, and the sound-absorbing cotton is usually arranged by pasting, and it is inconvenient to replace the sound-absorbing cotton when it is damaged. Utility Model Content

[0005] The purpose of the utility model is to provide a noise reduction device for an air suspension air pump to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a noise reduction device for an air suspension air pump comprises: an air pump, an air spring, a mounting shell and a noise reduction auxiliary component; the air pump is installed in the mounting shell, the air pump and the air spring are connected through an air pipe, the air pipe extends out of the mounting shell and is connected to a muffler; silencer cotton is arranged in the mounting shell through the noise reduction auxiliary component.

[0007] Preferably, the noise reduction auxiliary component includes an installation groove, an embedding groove, a hook, a slide groove, a pressure plate, a cross support plate, an embedding block, a hook groove and a embedding groove; the installation groove is arranged on multiple side inner walls of the installation shell, and embedding grooves are symmetrically opened on the left and right side walls of the installation groove, and a hook is fixedly arranged on the inner wall of the embedding groove; the slide groove is symmetrically opened on the upper and lower side walls of the installation groove, and the two ends of the pressure plate are slidably connected in the slide groove; embedding blocks are fixedly arranged on the four corner sides of the cross support plate, the embedding block is provided with a hook groove, and the embedding groove is opened on the cross support plate.

[0008] Preferably, the installation groove corresponds to the setting position of the sound-absorbing cotton and the number of the setting groups is the same, the sound-absorbing cotton is embedded in the installation groove, and the sound-absorbing cotton is set on the surrounding side of the air pump.

[0009] Preferably, the embedding groove and the embedding block are arranged at corresponding positions and have the same number of groups, and the two are adapted to be snap-fitted.

[0010] Preferably, the hook and the hook groove are arranged at corresponding positions and have the same number of groups, and the two are adapted to be connected.

[0011] Preferably, the pressure plate is snap-fitted with the sound-absorbing cotton, and the cross-support plate is snap-fitted with the sound-absorbing cotton; the pressure plate and the card slot are set at corresponding positions, and the two are adapted to be snap-fitted.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] An installation groove is provided in the installation shell for positioning the silencer cotton, which is used for noise reduction of the air pump. The pressure plate in the noise reduction auxiliary component flattens the silencer cotton to ensure the stable laying of the silencer cotton. At the same time, the position of the silencer cotton is fixed with the help of a cross support plate, so that the silencer cotton can be quickly installed and easily replaced after it is damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the connection of the housing structure for the utility model;

[0016] Figure 3 For this utility model Figure 2 A partial enlarged view of the middle A;

[0017] Figure 4 This is a schematic diagram of the cross support plate structure connection of the utility model.

[0018] In the figure: air pump 1, air spring 2, mounting shell 3, air pipe 4, muffler 5, silencer cotton 6, mounting groove 7, embedded groove 8, hook 9, slide groove 10, pressure plate 11, cross support plate 12, embedded block 13, hook groove 14, and clamping groove 15. DETAILED DESCRIPTION

[0019] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-Figure 4 The utility model provides a technical solution: a noise reduction device for an air suspension air pump comprises: an air pump 1, an air spring 2, a mounting shell 3 and a noise reduction auxiliary component; the air pump 1 is installed in the mounting shell 3, the air pump 1 is connected to the air spring 2 through an air pipe 4, the air pipe 4 extends out of the mounting shell 3 and is connected to a muffler 5, so as to reduce the noise generated by the airflow when the air pump 1 is working; a sound-absorbing cotton 6 is arranged in the mounting shell 3 through the noise reduction auxiliary component; the noise reduction auxiliary component comprises an installation groove 7, an embedded groove 8, a hook 9, a slide groove 10, a pressure plate 11, a cross support plate 12, an embedded block 13, a hook groove 14 and a card groove 15; the installation groove 7 is arranged on the inner wall of multiple sides of the mounting shell 3, the installation groove 7 corresponds to the setting position of the sound-absorbing cotton 6, and the setting number of groups is the same, the sound-absorbing cotton 6 is embedded in the installation groove 7, and the sound-absorbing cotton 6 is arranged on the side of the air pump 1 for noise reduction of the air pump 1; the installation groove 7 is equidistant on the left and right side walls Symmetrically provided with embedded grooves 8, the inner wall of the embedded grooves 8 is fixedly provided with hooks 9; the slide grooves 10 are symmetrically provided on the upper and lower side walls of the installation grooves 7, and the two ends of the pressing plate 11 are slidably engaged in the slide grooves 10, so that the pressing plate 11 can move and flatten the silencer cotton 6; the pressing plate 11 is engaged with the silencer cotton 6, and the cross support plate 12 is engaged with the silencer cotton 6 to fix the position of the silencer cotton 6; the four corner side ends of the cross support plate 12 are fixedly provided with embedded blocks 13, the embedded grooves 8 and the embedded blocks 13 are set in corresponding positions and the same number of groups, and the two are adapted to be engaged for positioning and installing the cross support plate 12; the embedded blocks 13 are provided with hook grooves 14, the hooks 9 and the hook grooves 14 are set in corresponding positions and the same number of groups, and the two are adapted to be engaged to fix the position of the cross support plate 12; the slots 15 are provided on the cross support plate 12, and the pressing plate 11 and the slots 15 are set in corresponding positions, and the two are adapted to be engaged to fix the position of the pressing plate 11.

[0021] In actual use, the silencer cotton 6 is laid in the installation groove 7, and then the pressure plate 11 is moved along the slide groove 10. During the process, the pressure plate 11 flattens the silencer cotton 6, and then the pressure plate 11 stays at the end of the slide groove 10, and the cross support plate 12 clamps the silencer cotton 6, and makes the embedding block 13 engage with the embedding groove 8. At this time, the pressure plate 11 is clamped in the clamping groove 15, and the hook 9 is clamped in the hook groove 14, fixing the position of the cross support plate 12, so that it supports the silencer cotton 6 to prevent the silencer cotton 6 from falling off during use, and then the air pump 1 is installed and set.

[0022] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A noise reduction device for an air suspension air pump, characterized in that: The noise reduction device for an air suspension air pump comprises: an air pump (1), an air spring (2), a mounting shell (3) and a noise reduction auxiliary component; the air pump (1) is mounted in the mounting shell (3), the air pump (1) and the air spring (2) are connected via an air pipe (4), the air pipe (4) extends out of the mounting shell (3) and is connected to a muffler (5); a muffler cotton (6) is arranged in the mounting shell (3) via the noise reduction auxiliary component; The noise reduction auxiliary component comprises an installation groove (7), an embedding groove (8), a hook (9), a slide groove (10), a pressure plate (11), a cross support plate (12), an embedding block (13), a hook groove (14) and a clamping groove (15); the installation groove (7) is arranged on multiple inner walls of the installation shell (3), the embedding grooves (8) are symmetrically arranged on the left and right side walls of the installation groove (7), and the clamping hook (9) is fixedly arranged on the inner wall of the embedding groove (8); the slide groove (10) is symmetrically arranged on the upper and lower side walls of the installation groove (7), and the two ends of the pressure plate (11) are slidably clamped in the slide groove (10); the embedding blocks (13) are fixedly arranged on the four corner side ends of the cross support plate (12), the embedding blocks (13) are provided with hook grooves (14), and the clamping groove (15) is arranged on the cross support plate (12).

2. A noise reduction device for an air suspension air pump according to claim 1, characterized in that: The installation groove (7) corresponds to the setting position of the sound-absorbing cotton (6) and has the same number of sets. The sound-absorbing cotton (6) is embedded in the installation groove (7) and the sound-absorbing cotton (6) is arranged on the peripheral side of the air pump (1).

3. A noise reduction device for an air suspension air pump according to claim 1, characterized in that: The embedding groove (8) and the embedding block (13) are arranged at corresponding positions and have the same number of groups, and the two are adapted to be snap-connected.

4. A noise reduction device for an air suspension air pump according to claim 1, characterized in that: The hook (9) and the hook groove (14) are arranged at corresponding positions and have the same number of groups, and the two are adapted to be connected.

5. The noise reduction device for an air suspension air pump according to claim 1, characterized in that: The pressing plate (11) is snap-fitted with the sound-absorbing cotton (6), and the cross-supporting plate (12) is snap-fitted with the sound-absorbing cotton (6); the pressing plate (11) and the card slot (15) are arranged at corresponding positions, and the two are snap-fitted.

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