CN215830669U - Sound-deadening box and air compressor with same - Google Patents
Sound-deadening box and air compressor with same Download PDFInfo
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- CN215830669U CN215830669U CN202121387380.0U CN202121387380U CN215830669U CN 215830669 U CN215830669 U CN 215830669U CN 202121387380 U CN202121387380 U CN 202121387380U CN 215830669 U CN215830669 U CN 215830669U
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Abstract
The utility model relates to the technical field of air compression, in particular to a sound muffling box and an air compressor with the sound muffling box. In order to solve the problem of high noise of the existing air compressor during loading and unloading, the utility model provides a sound-muffling box which comprises a box body and a door plate, wherein the box body comprises a bottom plate and a surrounding plate, the surrounding plate is fixedly surrounded on the periphery of the bottom plate, an air outlet is formed in the bottom plate, and the air outlet is close to an upper side plate in the surrounding plate; a baffle is arranged in the box body and positioned between the air outlet and a lower side plate in the enclosing plates, and a sound insulation material is attached to the baffle; the door plate is connected with the surrounding plate and covers the box opening of the box body, and air inlet meshes are arranged on the door plate and are close to the lower side plate. The sound-deadening box can greatly reduce the noise of the air compressor during loading and unloading.
Description
Technical Field
The utility model relates to the technical field of air compression, in particular to a sound muffling box and an air compressor with the sound muffling box.
Background
At present, when a conventional air compressor is loaded and unloaded, external air enters an air flow channel and flows at a high speed to rub the inner wall of an air flow pipeline, so that noise is generated, and the noise of the air compressor is high. In addition, when the air compressor is used, external air directly enters an air flow pipeline of the air compressor, dust in the air also enters the air flow pipeline along with the air flow pipeline, and then enters an air filter of the compression main machine, so that the burden of the air filter is increased.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem of high noise of the existing air compressor during loading and unloading, the utility model provides a sound-muffling box which comprises a box body and a door plate, wherein the box body comprises a bottom plate and a surrounding plate, the surrounding plate is fixedly surrounded on the periphery of the bottom plate, an air outlet is formed in the bottom plate, and the air outlet is close to an upper side plate in the surrounding plate; a baffle is arranged in the box body and positioned between the air outlet and a lower side plate in the enclosing plates, and a sound insulation material is attached to the baffle; the door plate is connected with the surrounding plate and covers the box opening of the box body, and air inlet meshes are arranged on the door plate and are close to the lower side plate. The silencing box adopts the air inlet mesh on the door plate as an air inlet, so that air entering the silencing box flows from a position close to the lower side plate to an air outlet and enters a compression main machine of the air compressor through the air outlet. Because the noise is generated by the friction vibration of the air and the airflow pipeline when the air enters the compression main machine, the noise generated by the friction of the air entering the silencing box can be absorbed by the sound insulation material on the baffle plate, and the noise is reduced. In addition, the baffle is arranged in the box body, and noise rebounds in noise transmission, so that noise energy can be consumed, and noise is further reduced. Therefore, the sound-deadening box can greatly reduce the noise of the air compressor during loading and unloading.
Preferably, at least two baffles are arranged in the box body, and the baffles are arranged in a staggered manner. In this way, the baffle plates arranged in a staggered way separate the gas flow passages in the box body into Z-shaped flow passages, and the rebound times of noise in the box body are increased, so that the consumption of noise energy can be improved, the noise absorption capacity of the sound insulation material is increased, the noise reduction effect of the sound insulation box can be effectively improved, and the noise of an air compressor adopting the sound insulation box is effectively reduced when the air compressor is loaded or unloaded.
Preferably, sound insulation materials are pasted on the inner wall of the box body. Thus, the silencing effect of the silencing box can be further improved.
Preferably, the inner wall of the door panel is attached with a sound insulation material, and a built-in filter screen is arranged at the air inlet mesh. Therefore, the sound insulation material is attached to the inner wall of the door panel, so that the sound attenuation effect of the sound attenuation box can be further improved; the built-in filter screen is arranged at the air inlet mesh opening, and the built-in filter screen can be used for pre-dedusting air entering the silencer, so that the burden of air filtering on a compression main machine in the air compressor can be reduced.
Preferably, the sound insulation material is soundproof cotton. Like this, adopt soundproof cotton as sound insulation material, the noise cancelling effect is good, selects conveniently and with low costs.
Preferably, an air filter element is arranged at the air outlet. Like this, set up air filter in gas outlet department to utilize this air filter to carry out the secondary filter to the air that enters into the air compressor machine compression host computer, and then can further alleviate the burden that the air that compresses on the compression host computer strained.
Preferably, the air filter element is mounted on the base plate by a connector. Like this, air filter passes through the connecting piece and installs on the bottom plate, and the installation is simple and convenient and stable. Furthermore, the connecting piece comprises a conical seat and a screw rod, the conical seat comprises a connecting plate and a conical supporting leg, the connecting plate is positioned in the box body and is opposite to the air outlet, a mounting hole for mounting the screw rod is formed in the connecting plate, and the conical supporting leg is fixed on the bottom plate and is connected with the connecting plate; the lead screw is installed in the mounting hole, and the lead screw deviates from the connecting end of the air outlet and the air filter element are connected. Such connecting piece simple structure, the preparation is convenient with low costs, and during the equipment, only need with air filter install on the lead screw can, simple convenient and fast. Further preferably, the tapered leg is a tapered plate and is connected to the bottom plate and the connecting plate by welding. Therefore, the taper plate is used as the taper supporting leg and is fixedly connected with the bottom plate and the connecting plate through welding, the taper seat is simple in structure, convenient to manufacture and low in cost, and therefore the manufacturing cost of the sound muffling box can be reduced, and the manufacturing cost of an air compressor provided with the sound muffling box is further reduced.
In addition, the utility model also provides an air compressor, wherein the air compressor is provided with any one of the sound muffling boxes, and an air outlet of the sound muffling box is communicated with an air inlet of the compression main machine through an air inlet pipe. The silencing box is assembled in the air compressor to reduce noise and remove dust of air entering the compression main machine, so that the noise of the air compressor can be effectively reduced when the air compressor is used, meanwhile, the burden of an air filter in the compression main machine can be effectively relieved, the service life of the air filter of the compression main machine is prolonged, and further, the service life of the air compressor is prolonged.
Drawings
FIG. 1 is a schematic view of an exploded structure of the sound muffling box of the present invention;
fig. 2 is a left side view schematic diagram of the whistle box shown in fig. 1;
fig. 3 is a schematic view of the structure in the direction of a-a in fig. 2.
Detailed Description
The sound muffling box and the air compressor equipped with the sound muffling box of the present invention will be described in detail with reference to fig. 1 to 3.
As shown in fig. 1 to 3, the sound muffling box of the present invention comprises a box body 1 and a door panel 2. The box body 1 comprises a bottom plate 11 and a surrounding plate 12, the surrounding plate 12 is fixedly arranged around the bottom plate 11, an air outlet 111 is arranged on the bottom plate 11, and the air outlet 111 is close to an upper side plate 121 in the surrounding plate 12. Preferably, an air filter element 13 is disposed at the air outlet 111. Like this, set up air filter 13 in air outlet 111 department to utilize this air filter 13 to carry out the secondary filter to the air that enters into the compression host computer in the air compressor machine, and then can further alleviate the burden that the air that compresses on the compression host computer strained. Preferably, the air filter element 13 is mounted on the base plate 11 by means of the connection piece 3. Thus, the air filter element 13 is installed on the bottom plate 11 through the connecting piece 3, and the installation is simple, convenient and stable. Preferably, the connecting member 3 includes a conical seat 31 and a screw rod 32, the conical seat 31 includes a connecting plate 311 and a conical leg 312, the connecting plate 311 is located in the box 1 and opposite to the air outlet 111, a mounting hole (not shown) for mounting the screw rod 32 is provided on the connecting plate 311, and the conical leg 312 is fixed on the bottom plate 11 and connected with the connecting plate 311; the lead screw 32 is installed in the installation hole, and a connection end of the lead screw 32 facing away from the air outlet 111 is connected with the air filter 13. Such connecting piece 3 simple structure, the preparation is convenient with low costs, and during the equipment, only need with air cleaner 13 install on lead screw 312 can, simple convenient and fast. Preferably, the tapered legs 312 are tapered plates and are connected to the base plate 11 and the connecting plate 311 by welding. Thus, the taper plate is used as the taper support leg 312 and is fixedly connected with the bottom plate 11 and the connecting plate 311 through welding, the taper seat 31 has a simple structure, is convenient to manufacture and has low cost, so that the manufacturing cost of the sound muffling box can be reduced, and the manufacturing cost of an air compressor provided with the sound muffling box is reduced. A baffle plate 14 is arranged in the box body 1, the baffle plate 14 is positioned between the air outlet 111 and the lower side plate 121 in the enclosing plate 12, and a sound insulation material (not shown in the figure) is pasted on the baffle plate 14. Preferably, at least two baffles 14 are arranged in the box body 1, and the baffles 14 are arranged in a staggered manner. In this way, the baffle plates 14 arranged in a staggered manner separate the gas flow channels in the box body 1 into Z-shaped flow channels, so that the rebound times of noise in the box body 1 are increased, the consumption of noise energy can be improved, the noise absorption capacity of the sound insulation material is increased, the silencing effect of the silencing box can be effectively improved, and the noise generated when an air compressor adopting the silencing box is loaded and unloaded is effectively reduced. Preferably, sound insulation material (not shown) is attached to the inner wall of the case 1. Thus, the silencing effect of the silencing box can be further improved.
As shown in fig. 1 and 3, the door panel 2 is connected with the surrounding plate 12 to cover the opening of the box body 1, the door panel 2 is provided with an air inlet mesh 21, and the air inlet mesh 21 is close to the lower side plate 122. Preferably, a sound insulation material (not shown) is attached to the inner wall of the door panel 2, and the built-in filter screen 4 is disposed at the air inlet mesh 21. Thus, the sound insulation material is attached to the inner wall of the door panel 2, so that the sound attenuation effect of the sound attenuation box can be further improved; the built-in filter screen 4 is arranged at the air inlet mesh 21, and the built-in filter screen 4 can be used for pre-dedusting air entering the silencer of the utility model, thereby lightening the burden of air filtering on a compression main machine in the air compressor.
In the sound-proof box, the sound-proof cotton is used as a sound-proof material, so that the sound-proof box has good sound-proof effect, is convenient to select and has low cost.
The silencing box adopts the air inlet mesh on the door plate as an air inlet, so that air entering the silencing box flows from a position close to the lower side plate to an air outlet and enters a compression main machine of the air compressor through the air outlet. Because the noise is generated by the friction vibration of the air and the airflow pipeline when the air enters the compression main machine, the noise generated by the friction of the air entering the silencing box can be absorbed by the sound insulation material on the baffle plate, and the noise is reduced. In addition, the baffle is arranged in the box body, and noise rebounds in noise transmission, so that noise energy can be consumed, and noise is further reduced. Therefore, the sound-deadening box can greatly reduce the noise of the air compressor during loading and unloading.
In addition, the utility model also provides an air compressor, wherein the air compressor is provided with any one of the sound muffling boxes, and an air outlet of the sound muffling box is communicated with an air inlet of the compression main machine through an air inlet pipe. The silencing box is assembled in the air compressor to reduce noise and remove dust of air entering the compression main machine, so that the noise of the air compressor can be effectively reduced when the air compressor is used, meanwhile, the burden of an air filter in the compression main machine can be effectively relieved, the service life of the air filter of the compression main machine is prolonged, and further, the service life of the air compressor is prolonged.
Claims (10)
1. A sound-muffling box is characterized by comprising a box body and a door panel, wherein the box body comprises a bottom plate and a surrounding plate, the surrounding plate is fixedly surrounded on the periphery of the bottom plate, an air outlet is formed in the bottom plate, and the air outlet is close to an upper side plate in the surrounding plate; a baffle is arranged in the box body and positioned between the air outlet and a lower side plate in the enclosing plates, and a sound insulation material is attached to the baffle; the door plate is connected with the surrounding plate and covers the box opening of the box body, and air inlet meshes are arranged on the door plate and are close to the lower side plate.
2. The sound muffling box of claim 1, wherein at least two baffles are arranged in the box body, and the baffles are staggered.
3. The sound muffling box of claim 1, wherein a sound insulating material is attached to an inner wall of the box body.
4. The sound muffling box of any one of claims 1 to 3, wherein a sound insulating material is attached to the inner wall of the door panel, and a built-in filter screen is disposed at the air inlet mesh.
5. The sound muffling box of claim 4, wherein the sound insulating material is soundproof cotton.
6. The sound muffling box of claim 5, wherein an air filter is disposed at the air outlet.
7. The sound muffling enclosure of claim 6, wherein the air filter is mounted to the bottom plate via a connector.
8. The sound muffling box of claim 7, wherein the connecting piece comprises a conical seat and a screw rod, the conical seat comprises a connecting plate and a conical supporting leg, the connecting plate is positioned in the box body and is opposite to the air outlet, a mounting hole for mounting the screw rod is formed in the connecting plate, and the conical supporting leg is fixed on the bottom plate and is connected with the connecting plate; the lead screw is installed in the mounting hole, and the lead screw deviates from the connecting end of the air outlet and the air filter element are connected.
9. The sound muffling box of claim 8, wherein the tapered leg is a tapered plate and is connected to the base plate and the connecting plate by welding.
10. An air compressor, characterized in that the air compressor is equipped with a sound muffling box according to any one of claims 1 to 7, and the air outlet of the sound muffling box is communicated with the air inlet of a compression main machine through an air inlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121387380.0U CN215830669U (en) | 2021-06-22 | 2021-06-22 | Sound-deadening box and air compressor with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121387380.0U CN215830669U (en) | 2021-06-22 | 2021-06-22 | Sound-deadening box and air compressor with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215830669U true CN215830669U (en) | 2022-02-15 |
Family
ID=80190377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121387380.0U Active CN215830669U (en) | 2021-06-22 | 2021-06-22 | Sound-deadening box and air compressor with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215830669U (en) |
-
2021
- 2021-06-22 CN CN202121387380.0U patent/CN215830669U/en active Active
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