Concentrated air leakage and noise reduction structure

Abstract

The utility model discloses a centralized air leakage and noise reduction structure which comprises a shell, a plurality of electromagnets are installed in the shell, air leakage holes are formed in the shell, the positions of the air leakage holes correspond to the air leakage ends of the electromagnets, the air leakage holes are formed in the middle positions of the adjacent electromagnets, and an installation base is fixed to the position, close to the air leakage holes, of the shell. The shell is provided with an air leakage hole, one side, close to the air leakage hole, of the mounting seat is provided with a silencing piece mounting through groove, a silencing piece clamping block corresponding to the air leakage hole in position is fixed in the silencing piece mounting through groove, and a second silencing piece is arranged in the silencing piece clamping block. When the electromagnet leaks air, the air leakage hole and the second silencing piece in the shell are used for reducing noise in a concentrated mode, secondary noise reduction in the air leakage process is achieved, meanwhile, noise generated when the electromagnet works is reduced, and the risk that the electromagnet is scalded is avoided to a certain degree through the arrangement of the shell.

Description

TECHNICAL FIELD

[0001] The utility model relates to pneumatic comfort system technical field especially relates to a centralized air release noise reduction structure. BACKGROUND

[0002] At present, the pneumatic product of automobile seat comfort system controls the gas circuit through electromagnetic valve, and the gas circuit module controls the inflation and deflation of each gas circuit to realize the action of the gas circuit module, wherein the sound reduction mode of the gas is to increase the air release sound reduction cotton or sound reduction piece at the tail end of the electromagnetic iron to reduce the sound, and the gas is directly released to the atmosphere through the sound reduction piece, but the air release of multiple electromagnetic iron has a large air flow sound, and the effect of reducing the working noise of the electromagnetic iron is poor by increasing the air release sound reduction cotton or sound reduction piece at the tail end of the electromagnetic iron, and the electromagnetic iron works for a long time to generate a very high temperature, which has the risk of scalding.

[0003] In order to solve the above technical problems, a centralized air release noise reduction structure is needed. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at solving the defects in the prior art and provides a centralized air release noise reduction structure.

[0005] A centralized air release noise reduction structure, comprising a shell, a plurality of electromagnets are installed in the shell, an air release hole is formed in the shell, the position of the air release hole corresponds to the air release end of the electromagnet, the air release hole is arranged at the middle position of adjacent electromagnets, a mounting seat is fixed at the position of the shell close to the air release hole, a sound reduction piece mounting slot is formed in one side of the mounting seat close to the air release hole, a sound reduction piece clamping block corresponding to the position of the air release hole is fixed in the sound reduction piece mounting slot, a second sound reduction piece is arranged in the sound reduction piece clamping block, and the second sound reduction piece is in contact with the surface of the shell.

[0006] Further, the mounting seat is U-shaped, the second sound reduction piece is circular, the cross section of the sound reduction piece clamping block is two symmetrical inverted L-shaped, and a round corner matched with the second sound reduction piece is arranged.

[0007] Further, a PCB board is installed in the shell, the electromagnet is fixed on the PCB board, a first sound reduction piece is arranged at the air release end of the electromagnet, and a socket connected with the PCB board is further installed on the shell.

[0008] Further, the size of the air release hole is matched with the size of the second sound reduction piece.

[0009] Further, a plurality of inflation holes are formed in the shell, and the position of the inflation hole corresponds to the inflation nozzle arranged on the electromagnet.

[0010] Further, the mounting seat away from the side of the air hole is provided with mounting hole for installing the bundle buckle.

[0011] Beneficial effects: the utility model discloses a set up on the shell and set up second sound attenuation piece on the air hole, and the electromagnetic iron is concentrated by the air hole and second sound attenuation piece on the shell and is reduced when discharging, realizes the secondary noise reduction when discharging, also carries out the noise reduction to the noise of electromagnetic iron work, and the setting of shell also avoids the risk of electromagnetic iron scalding to a certain extent. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the three-dimensional structure schematic diagram of the structure of the utility model concentrated air release and noise reduction;

[0013] Figure 2 It is the internal structure schematic diagram after removing part shell of the utility model;

[0014] Figure 3 It is the three-dimensional structure schematic diagram of second sound attenuation piece, air hole and sound attenuation piece clamping block of the utility model;

[0015] Figure 4 It is the three-dimensional structure schematic diagram of mounting seat, sound attenuation piece clamping block, second sound attenuation piece of the utility model;

[0016] In the drawing:

[0017] 1, shell;2, electromagnet;3, PCB board;4, first sound attenuation piece;5, air hole;6, mounting seat;7, sound attenuation piece clamping block;8, second sound attenuation piece. DETAILED DESCRIPTION

[0018] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0019] Please refer to Figures 1-4The embodiment provides a centralized air leakage and noise reduction structure, which comprises an outer shell 1, a plurality of electromagnets 2 are installed in the outer shell 1, a PCB board 3 is installed in the outer shell 1, the electromagnets 2 are fixed on the PCB board 3, a first sound-absorbing piece 4 is arranged at an air leakage end of the electromagnet 2, the first sound-absorbing piece 4 realizes primary noise reduction when the electromagnet 2 leaks air, a socket in communication with the PCB board 3 is further installed on the outer shell 1, an air leakage hole 5 is formed on the outer shell 1, the air leakage hole 5 is located in a position corresponding to the air leakage end of the electromagnet 2, and the air leakage hole 5 is arranged at a middle position of adjacent electromagnets 2, air can be leaked more smoothly while sound is absorbed, a mounting seat 6 is fixed on the outer shell 1 and located close to the air leakage hole 5, a sound-absorbing piece mounting through slot is formed on one side of the mounting seat 6 close to the air leakage hole 5, a sound-absorbing piece clamping block 7 corresponding to the position of the air leakage hole 5 is fixed in the sound-absorbing piece mounting through slot, a second sound-absorbing piece 8 is arranged in the sound-absorbing piece clamping block 7, the size of the second sound-absorbing piece 8 is matched with the size of the air leakage hole 5, and the second sound-absorbing piece 8 is in contact with the surface of the outer shell 1, the air leakage hole 5 is arranged on the outer shell 1, and the second sound-absorbing piece 8 is arranged on the air leakage hole 5, air leakage of the electromagnet 2 is centralized and reduced by the air leakage hole 5 and the second sound-absorbing piece 8 on the outer shell 1, secondary noise reduction is realized during air leakage, noise during operation of the electromagnet 2 is also reduced, and the outer shell 1 can also avoid the risk of scalding caused by the electromagnet 2 to a certain extent.

[0020] The mounting seat 6 is in a U shape, the second sound-absorbing piece 8 is in a circular shape, the sound-absorbing piece clamping block 7 is in a cross section of two symmetrical inverted L shapes, and a round corner matched with the second sound-absorbing piece 8 is arranged, so that the second sound-absorbing piece 8 is more attached to the surface of the outer shell 1, and the noise reduction effect is improved to a certain extent.

[0021] A plurality of air charging holes are formed on the outer shell 1, the air charging holes are located in positions corresponding to air charging nozzles arranged on the electromagnets 2, and mounting holes for mounting wire clamps are arranged on one side of the mounting seat 6 away from the air leakage hole 5.

[0022] Finally, it should be noted that: the above only describes preferred embodiments of the utility model, and is not used for limiting the utility model, although the utility model is described in detail by referring to the foregoing embodiments, for the person skilled in the art, still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement is carried out to part technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A structure for concentrating air leakage noise reduction, characterized by: The utility model provides an electromagnetic iron exhaust hole sound attenuation device, including shell (1), a plurality of electromagnet (2) are installed in shell (1), the shell (1) is set up with the exhaust hole (5) of air release, the position of exhaust hole (5) corresponds with the exhaust end of electromagnet (2), and exhaust hole (5) is set up in the intermediate position of adjacent electromagnet (2), and the position of shell (1) close to exhaust hole (5) is fixed with mounting seat (6), mounting seat (6) is set up with the sound attenuation piece installation through slot of one side close to exhaust hole (5), the sound attenuation piece installation through slot is fixed with the sound attenuation piece clamping block (7) corresponding with the position of exhaust hole (5), the second sound attenuation piece (8) is set up in sound attenuation piece clamping block (7), and make the second sound attenuation piece (8) with the surface contact of shell (1).

2. The structure of claim 1, wherein: The mounting seat (6) is U-shaped, the second sound attenuation piece (8) is circular, the cross section of sound attenuation piece clamping block (7) is two symmetrical inverted L shapes, and a fillet is arranged to be matched with the second sound attenuation piece (8).

3. The structure of claim 1, wherein: The PCB board (3) is installed in the shell (1), the electromagnet (2) is fixed on the PCB board (3), the exhaust end of electromagnet (2) is provided with the first sound attenuation piece (4), and the socket is further installed on the shell (1) and communicated with the PCB board (3).

4. The structure of claim 1, wherein: The size of the exhaust hole (5) is matched with the size of the second sound attenuation piece (8).

5. The structure of claim 1, wherein: A plurality of inflation holes are arranged on the shell (1), and the positions of the inflation holes correspond to the inflation nozzles installed on the electromagnet (2).

6. The structure of claim 1, wherein: The side, away from the exhaust hole (5), of the mounting seat (6) is provided with a mounting hole for mounting a wire buckle.

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