CN215949780U

CN215949780U - Air compressor machine exhaust of many recesses structure of making an uproar of falling

Info

Publication number: CN215949780U
Application number: CN202122385968.9U
Authority: CN
Inventors: 高雯; 覃星念; 沈琼
Original assignee: Guangxi Yuchai Machinery Co Ltd
Current assignee: Guangxi Yuchai Machinery Co Ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-03-04
Anticipated expiration: 2031-09-29

Abstract

The application provides an air compressor machine exhaust of many recesses falls structure of making an uproar belongs to the air compressor machine and falls the technical field of making an uproar. The multi-groove air compressor exhaust noise reduction structure comprises an air compressor shell and a noise reduction assembly. The air compressor comprises an air compressor shell, and is characterized in that an exhaust cavity is formed in the air compressor shell, the noise reduction assembly comprises a splitter plate, a silencing wall and a sound absorption layer, the silencing wall is fixedly connected to the air compressor shell, the silencing wall is located in the exhaust cavity, the splitter plate is fixedly connected to the silencing wall, the splitter plate is arranged in parallel, the sound absorption layer is located between the splitter plate and the air compressor shell, and silencing holes are formed in the silencing wall. When air compressor machine work produced the noise, through being located exhaust intracavity the flow distribution plate inhales the sound to it and falls the noise, the cooperation the bloop with the sound absorbing layer is at the air current discharge further improve the noise cancelling effect during the exhaust chamber, reduce the noise, avoid influencing staff's work efficiency and healthy.

Description

Air compressor machine exhaust of many recesses structure of making an uproar of falling

Technical Field

The application relates to the field of making an uproar falls in the air compressor machine, particularly, relates to the structure of making an uproar falls in air compressor machine exhaust of many recesses.

Background

The air compressor machine is for compressing gas, converts the mechanical energy of original driving into the device of gas pressure ability, and it mainly comprises gas circuit circulation system, water path circulation system, oil circulation system, distribution system, screen protection system, direct current power supply system and DTC control system etc. the air compressor machine is similar with the water pump structure, and the air compressor machine mainly includes piston air compressor machine and screw air compressor machine, and piston air compressor machine is comparatively common in daily life, and its main theory of operation is: when the piston reciprocating in the cylinder moves rightwards, the pressure of the left cavity of the piston in the cylinder is lower than the atmospheric pressure, the air suction valve is opened, the outside air is sucked into the cylinder, the process is called as a compression process, and when the pressure in the cylinder is higher than the pressure in the output air pipeline, the exhaust valve is opened.

At present, the air compressor machine is in the use, because gaseous business turn over between valve seat board and the valve block, slaps between valve block and the valve seat board and produce a large amount of noises, causes serious noise pollution, if use for a long time, can make the staff produce symptoms such as dizziness, nausea, heart rate overspeed, hypertension, causes the damage to staff's hearing, influences staff's work efficiency and healthy from this.

How to invent a multi-groove air compressor exhaust noise reduction structure to improve the problems becomes a problem to be solved urgently by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

In order to compensate above not enough, the application provides a structure of making an uproar falls in air compressor machine exhaust of many recesses, aims at improving and slaps between valve block and the valve seat board and produce the noise problem.

The embodiment of the application provides a structure of making an uproar falls in air compressor machine exhaust of many recesses includes the air compressor machine casing and falls the subassembly of making an uproar.

The air compressor comprises an air compressor shell, and is characterized in that an exhaust cavity is formed in the air compressor shell, the noise reduction assembly comprises a splitter plate, a silencing wall and a sound absorption layer, the silencing wall is fixedly connected to the air compressor shell, the silencing wall is located in the exhaust cavity, the splitter plate is fixedly connected to the silencing wall, the splitter plate is arranged in parallel, the sound absorption layer is located between the splitter plate and the air compressor shell, and silencing holes are formed in the silencing wall.

In the implementation process, the silencing wall is welded and fixed on the air compressor shell, the splitter plate is bonded and fixed on the silencing wall, the splitter plate is made of basalt wool fabric or glass fiber, the sound absorption effect is improved, the silencing holes increase resonance and interference of noise, the silencing efficiency is higher, when the air compressor works to generate noise, the splitter plate is positioned in the exhaust cavity to absorb and reduce the noise of the air compressor, the silencing holes and the sound absorption layer are matched, the silencing effect is further improved when the air flow is exhausted from the exhaust cavity, the noise is reduced, and the working efficiency and the health of workers are prevented from being influenced.

In a specific embodiment, a limiting plate is arranged in the exhaust cavity, and the limiting plate is designed in an arc shape.

In a specific embodiment, a fixing bolt is fixedly connected to one side of the limiting plate, and a valve seat plate is arranged at the bottom side of the exhaust cavity.

In the implementation process, the fixing bolt is fixed on the limiting plate in a threaded manner, so that the fixing and the installation are convenient.

In a specific embodiment, the valve seat plate is fixedly connected to the air compressor housing, and the limit plate is fixedly connected to the valve seat plate by the fixing bolt.

In the implementation process, the valve seat plate is welded and fixed on the shell of the air compressor, so that the operation of compressing gas is convenient.

In a specific embodiment, the flow distribution plate and the valve seat plate are arranged in parallel, and the flow distribution plate is arranged obliquely to the limiting plate.

In the implementation process, the air flow separation device is used for separating the air flow, so that the stroke of the air flow in the exhaust cavity is increased.

In a specific embodiment, the splitter plate is of a folded plate design, and the muffling holes are uniformly distributed on the muffling wall.

In the implementation process, the splitter plate is in a bending state, so that the stroke of air flow in the exhaust cavity can be effectively increased, the sound absorption and noise reduction time of the splitter plate and the silencing holes is prolonged, and the silencing effect is improved.

In a specific embodiment, the silencing hole is located between the two flow dividing plates, and a filling cavity is arranged between the silencing wall and the air compressor shell.

In the implementation process, when the airflow is separated by the splitter plate, the airflow enters the filling cavity through the silencing hole to absorb sound and reduce noise.

In a specific embodiment, the sound absorption layer is located in the filling cavity, and the sound absorption layer is soundproof cotton.

In a specific embodiment, the venting chamber is in communication with the filling chamber through the muffling aperture.

In a specific embodiment, the sound absorption layer is tightly attached to the outer wall of the sound attenuation wall.

In the implementation process, the sound absorption and noise reduction time is conveniently prolonged, and the noise reduction effect is effectively improved.

Drawings

In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a schematic structural diagram of an exhaust and noise reduction structure of a multi-groove air compressor provided in an embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of an embodiment of the present disclosure;

FIG. 3 is a schematic structural diagram of an exhaust chamber according to an embodiment of the present disclosure;

fig. 4 is a schematic structural diagram of a sound-deadening wall and a filling chamber according to an embodiment of the present disclosure.

In the figure: 100-air compressor housing; 120-an exhaust chamber; 130-limiting plate; 131-fixing bolts; 150-a valve seat plate; 300-a noise reduction assembly; 310-a splitter plate; 320-a sound deadening wall; 321-a silencing hole; 330-filling the cavity; 331-sound absorbing layer.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. 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.

Referring to fig. 1-4, the present application provides a multi-groove air compressor exhausting and noise reducing structure, which includes an air compressor casing 100 and a noise reducing assembly 300.

Wherein, fall the subassembly 300 fixed connection of making an uproar in air compressor machine casing 100, fall the subassembly 300 and be used for the extension when air compressor machine work produces the noise and inhale the sound and fall the time of making an uproar, improve noise cancelling effect, reduce the noise, avoid influencing staff's work efficiency and healthy.

Referring to fig. 1, 2 and 3, the air compressor casing 100 is provided with an exhaust cavity 120.

In some specific embodiments, a limiting plate 130 is disposed in the exhaust chamber 120, the limiting plate 130 is designed to be arc-shaped, a fixing bolt 131 is fixedly connected to one side of the limiting plate 130, the fixing bolt 131 is fixed to the limiting plate 130 in a threaded manner, so that the fixing and installation are facilitated, a valve seat plate 150 is disposed at the bottom side of the exhaust chamber 120, the valve seat plate 150 is fixedly connected to the air compressor housing 100, the limiting plate 130 is fixedly connected to the valve seat plate 150 through the fixing bolt 131, and the valve seat plate 150 is welded and fixed to the air compressor housing 100, so that the operation of compressing air is facilitated.

Referring to fig. 1, 2, 3 and 4, the noise reduction assembly 300 includes a splitter plate 310, a silencing wall 320 and a sound absorption layer 331, the silencing wall 320 is fixedly connected to the air compressor casing 100, the silencing wall 320 is welded and fixed to the air compressor casing 100, the silencing wall 320 is located inside the exhaust cavity 120, the splitter plate 310 is fixedly connected to the silencing wall 320, the splitter plate 310 is bonded and fixed to the silencing wall 320, the splitter plate 310 is made of basalt wool fabric or glass fiber, so as to improve the sound absorption effect, the splitter plates 310 are arranged in parallel, the sound absorption layer 331 is located between the splitter plate 310 and the air compressor casing 100, the silencing wall 320 is provided with silencing holes 321, the silencing holes 321 increase the resonance, interference and the like of noise, so that the silencing efficiency is higher, the splitter plate 310 in the exhaust chamber 120 is used to absorb sound and reduce noise, and the noise reduction holes 321 and the sound absorption layer 331 are used to further improve the noise reduction effect and reduce noise when the air flow is exhausted from the exhaust chamber 120.

In some specific embodiments, the dividing plate 310 and the valve seat plate 150 are disposed in parallel, the dividing plate 310 is disposed in an inclined manner toward the limiting plate 130, and is used for separating the air flow, so as to increase the stroke of the air flow in the exhaust chamber 120, in this application, the dividing plate 310 is designed as a folded plate, the muffling holes 321 are uniformly distributed in the muffling wall 320, the dividing plate 310 is in a bent state, so as to effectively increase the stroke of the air flow in the exhaust chamber 120, and prolong the sound absorption and noise reduction time of the dividing plate 310 and the muffling holes 321, thereby improving the muffling effect, in this application, the muffling holes 321 are located between the two dividing plates 310, a filling chamber 330 is disposed between the muffling wall 320 and the air compressor casing 100, when the air flow is separated by the dividing plate 310, the air flow enters the filling chamber 330 through the muffling holes 321 to absorb sound and reduce noise, in this application, the sound absorbing layer 331 is located in the filling chamber 330, the sound absorbing layer 331 is soundproof cotton, in this application, the exhaust chamber 120 is communicated with the filling chamber 330 through the muffling holes 321, the sound absorption layer 331 is tightly attached to the outer wall of the silencing wall 320, so that the sound absorption and noise reduction time is prolonged conveniently, and the silencing effect is effectively improved.

The working principle of the air compressor exhaust noise reduction structure with the multiple grooves is as follows: when the air compressor machine work produced the noise, flow distribution plate 310 is the state of bending, can effectively increase the stroke of air current in exhaust chamber 120, the resonance of noise increase hole 321 noise, interfere etc, make the noise reduction efficiency higher, extension flow distribution plate 310 and noise reduction hole 321 inhale the sound and fall the time of making an uproar, improve the noise cancelling effect, it falls to inhale the sound to it through flow distribution plate 310 that is located exhaust chamber 120, cooperation sound absorption hole 321 and acoustic absorber 331, further improve the noise cancelling effect when air current exhaust chamber 120, reduce the noise, avoid influencing staff's work efficiency and healthy.

It should be noted that the specific model specifications of the limiting plate 130, the fixing bolt 131, the flow distribution plate 310 and the silencing wall 320 need to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, so detailed description is omitted.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. Air compressor machine exhaust of many recesses structure of making an uproar that falls, its characterized in that includes

The air compressor comprises an air compressor shell (100), wherein an exhaust cavity (120) is formed in the air compressor shell (100);

noise reduction assembly (300), noise reduction assembly (300) includes flow distribution plate (310), amortization wall (320) and sound absorbing layer (331), amortization wall (320) fixed connection in air compressor casing (100), amortization wall (320) are located inside exhaust chamber (120), flow distribution plate (310) fixed connection in amortization wall (320), parallel arrangement between flow distribution plate (310), sound absorbing layer (331) are located flow distribution plate (310) with between air compressor casing (100), amortization hole (321) have been seted up to amortization wall (320).

2. The exhaust and noise reduction structure of a multi-groove air compressor as claimed in claim 1, wherein a limiting plate (130) is disposed in the exhaust cavity (120), and the limiting plate (130) is designed in an arc shape.

3. The exhaust and noise reduction structure of a multi-groove air compressor as claimed in claim 2, wherein a fixing bolt (131) is fixedly connected to one side of the limit plate (130), and a valve seat plate (150) is disposed at the bottom side of the exhaust chamber (120).

4. The exhaust noise reduction structure of the multi-groove air compressor according to claim 3, wherein the valve seat plate (150) is fixedly connected to the air compressor casing (100), and the stopper plate (130) is fixedly connected to the valve seat plate (150) by the fixing bolt (131).

5. The exhaust noise reduction structure of a multi-groove air compressor according to claim 4, wherein the flow dividing plate (310) and the valve seat plate (150) are arranged in parallel, and the flow dividing plate (310) is arranged in an inclined manner towards the limiting plate (130).

6. The exhaust and noise reduction structure of a multi-groove air compressor as claimed in claim 1, wherein the splitter plate (310) is of a folded plate design, and the muffling holes (321) are uniformly distributed in the muffling wall (320).

7. The exhaust and noise reduction structure of a multi-groove air compressor as claimed in claim 1, wherein said muffling hole (321) is located between two said splitter plates (310), and a filling cavity (330) is provided between said muffling wall (320) and said air compressor housing (100).

8. The exhaust and noise reduction structure of a multi-groove air compressor as claimed in claim 7, wherein said sound absorption layer (331) is located in said filling cavity (330), and said sound absorption layer (331) is soundproof cotton.

9. The exhaust and noise reduction structure of air compressor with multiple grooves as claimed in claim 8, wherein said exhaust chamber (120) is communicated with said filling chamber (330) through said muffling hole (321).

10. The exhaust and noise reduction structure of a multi-groove air compressor as claimed in claim 1, wherein the sound absorption layer (331) is closely attached to the outer wall of the sound deadening wall (320).