CN210343702U - Novel silencing device structure - Google Patents
Novel silencing device structure Download PDFInfo
- Publication number
- CN210343702U CN210343702U CN201921369177.3U CN201921369177U CN210343702U CN 210343702 U CN210343702 U CN 210343702U CN 201921369177 U CN201921369177 U CN 201921369177U CN 210343702 U CN210343702 U CN 210343702U
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- CN
- China
- Prior art keywords
- guide hole
- sound
- silencer
- vacuum pump
- pump body
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000030279 gene silencing Effects 0.000 title abstract description 11
- 230000003584 silencer Effects 0.000 claims description 28
- 229920000742 Cotton Polymers 0.000 claims description 9
- 239000006096 absorbing agent Substances 0.000 claims description 7
- 230000001737 promoting effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000001743 silencing effect Effects 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- Exhaust Silencers (AREA)
Abstract
The utility model relates to the technical field of silencing equipment, in particular to a novel silencing device structure, which comprises a vacuum pump body, wherein the input end of the vacuum pump body is connected with a motor through a rotating shaft, the inlet end of the vacuum pump body is fixedly provided with an air inlet pipe, the outlet end of the vacuum pump body is fixedly provided with a first air duct, one end of the first air duct far away from the vacuum pump body is provided with a sound absorbing device, the outlet end of the sound absorbing device is fixedly connected with a second air duct, one end of the second air duct far away from the sound absorbing device is provided with a sound absorbing box, four silencing plates are arranged inside the sound absorbing box and are distributed in a trapezoidal shape from top to bottom in the sound absorbing box, the four silencing plates are respectively provided with a first guide hole, a second guide, the diameters of the third guide hole and the fourth guide hole are reduced in sequence, and the number of the first guide hole, the second guide hole, the third guide hole and the fourth guide hole is increased in sequence. The utility model discloses a practicality is strong, is worth promoting.
Description
Technical Field
The utility model relates to an amortization equipment technical field especially relates to a novel amortization device structure.
Background
The vacuum pump silencer is used for reducing the exhaust noise of the vacuum pump and reducing noise pollution; at present, the silencing equipment of multiple vacuum pump appears in the market, carries out the amortization through the amortization tower mostly, but, the occupation space of this kind of mode is big, inconvenient installation, and in addition, the noise cancelling effect of this kind of equipment still is perfect inadequately, hardly disturbs and prevents its continuation propagation to the noise sound wave of some low frequencies.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem of occupying a large volume in the prior art, and providing a novel silencer structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a novel silencer structure is designed, comprising a vacuum pump body, wherein the input end of the vacuum pump body is connected with a motor through a rotating shaft, the inlet end of the vacuum pump body is fixedly provided with an air inlet pipe, the outlet end of the vacuum pump body is fixedly provided with a first air duct, one end of the first air duct, which is far away from the vacuum pump body, is provided with a sound absorber, the outlet end of the sound absorber is fixedly connected with a second air duct, one end of the second air duct, which is far away from the sound absorber, is provided with a sound silencer box, four sound absorbers are arranged in the sound silencer box and are distributed in a trapezoidal shape from top to bottom, the four sound absorbers are all fixedly arranged in the sound silencer box, the four sound absorbers are respectively provided with a first guide hole, a second guide hole, a third guide hole and a fourth guide hole, and the diameters of the first guide hole, the second guide hole, the number of the first guide hole, the second guide hole, the third guide hole and the fourth guide hole is increased in sequence.
Preferably, the sizes of the diameters of the first, second, third and fourth guide holes are decreased in a twofold manner, and the numbers of the first, second, third and fourth guide holes are increased in a twofold manner.
Preferably, an exhaust pipe is arranged on the outer side wall of the bottom of the sound muffling box and is fixedly connected with the sound muffling box.
Preferably, inhale the sound device and include the barrel, the inside gas passage that is equipped with of barrel, the outside of gas passage is equipped with inhales the cotton layer of sound, inhale the cotton layer of sound and fill inside the barrel.
Preferably, the outer side wall of the cylinder body is provided with a plurality of sound absorption holes, and the sound absorption holes are uniformly distributed on the cylinder body.
The utility model provides a pair of novel silencing device structure, beneficial effect lies in:
1. the silencing plates are distributed in a trapezoidal shape, and the number of the first guide holes, the second guide holes, the third guide holes and the fourth guide holes is increased in sequence, so that sound waves of noise can be gradually dispersed, the sound waves are weaker and weaker, the dispersed sound waves are blocked by the silencing plates and cannot be continuously transmitted, and finally the silencing effect is achieved, and the silencing plates are completely suitable for low-frequency noise;
2. inhale the design of sound device, the effect lies in, but the barrel direct mount is on the pipe, and small simple to operate inhales the cotton layer of sound and disturbs and absorbs the higher noise of frequency, and this has just improved holistic noise cancelling effect greatly.
Drawings
Fig. 1 is a left-side perspective structural diagram of a novel silencer structure according to the present invention;
fig. 2 is a schematic diagram of a right-side perspective structure of a novel silencer structure provided by the present invention;
fig. 3 is a cross-sectional view of a sound-deadening box with a novel sound-deadening device structure provided by the utility model;
fig. 4 is the internal structure schematic diagram of the sound absorbing device with the novel silencer structure provided by the utility model.
In the figure: the vacuum pump body 1, the motor 2, the air inlet pipe 3, the first air duct 5, the sound-absorbing device 6, the cylinder body 61, the air channel 62, the sound-absorbing cotton layer 63, the sound-absorbing hole 64, the second air duct 7, the sound-absorbing box 8, the air outlet pipe 9, the sound-absorbing plate 10, the first guide hole 11, the second guide hole 12, the third guide hole 13 and the fourth guide hole 14.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example 1:
referring to fig. 1-3, a novel silencer structure comprises a vacuum pump body 1, wherein an input end of the vacuum pump body 1 is connected with a motor 2 through a rotating shaft, an inlet pipe 3 is fixedly installed at an inlet end of the vacuum pump body 1, a first air duct 5 is fixedly installed at an outlet end of the vacuum pump body 1, a sound absorbing device 6 is installed at one end, away from the vacuum pump body 1, of the first air duct 5, a second air duct 7 is fixedly connected with an outlet end of the sound absorbing device 6, a silencer box 8 is arranged at one end, away from the sound absorbing device 6, of the second air duct 7, four silencer boards 10 are arranged inside the silencer box 8, and the four silencer boards 10 are distributed in; the sound muffling box 8 has small volume and is very convenient to install.
The four sound-absorbing boards 10 are all fixedly installed in the sound-absorbing box 8, the sound-absorbing boards 10 are made of sound-absorbing materials, the four sound-absorbing boards 10 are respectively provided with a first guide hole 11, a second guide hole 12, a third guide hole 13 and a fourth guide hole 14, the diameters of the first guide hole 11, the second guide hole 12, the third guide hole 13 and the fourth guide hole 14 are sequentially reduced, the number of the first guide hole 11, the second guide hole 12, the third guide hole 13 and the fourth guide hole 14 is sequentially increased, the diameters of the first guide hole 11, the second guide hole 12, the third guide hole 13 and the fourth guide hole 14 are reduced in a double mode, the number of the first guide hole 11, the second guide hole 12, the third guide hole 13 and the fourth guide hole 14 is increased in a double mode, the outer side wall of the bottom of the sound-absorbing box 8 is provided with an exhaust pipe 9, and the exhaust pipe; the acoustical panel 10 is distributed in a trapezoid shape, and the number of the first guide holes 11, the second guide holes 12, the third guide holes 13 and the fourth guide holes 14 is increased in sequence, so that sound waves of noise are gradually dispersed, the sound waves are weaker and weaker, the dispersed sound waves are blocked by the acoustical panel 10 and cannot be continuously transmitted, and finally, the acoustical panel achieves the silencing effect and is completely suitable for low-frequency noise.
Example 2:
referring to fig. 4, as another preferred embodiment of the present invention, the only difference from the previous embodiment is that the sound absorbing device 6 includes a cylinder 61, a gas passage 62 is provided inside the cylinder 61, a sound absorbing cotton layer 63 is provided outside the gas passage 62, the sound absorbing cotton layer 63 is filled inside the cylinder 61, a plurality of sound absorbing holes 64 are provided on the outer side wall of the cylinder 61, and the sound absorbing holes 64 are uniformly distributed on the cylinder 61; inhale the design of sound device 6, the effect lies in, but barrel 61 direct mount is on the pipe, and small simple to operate inhales the cotton layer 63 of sound and disturbs and absorbs the higher noise of frequency, and this has just improved holistic noise cancelling effect greatly.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. A novel silencer structure comprises a vacuum pump body (1), wherein an input end of the vacuum pump body (1) is connected with a motor (2) through a rotating shaft, an inlet end of the vacuum pump body (1) is fixedly provided with an air inlet pipe (3), the novel silencer structure is characterized in that an outlet end of the vacuum pump body (1) is fixedly provided with a first air duct (5), one end, far away from the vacuum pump body (1), of the first air duct (5) is provided with a sound absorbing device (6), an outlet end of the sound absorbing device (6) is fixedly connected with a second air duct (7), one end, far away from the sound absorbing device (6), of the second air duct (7) is provided with a silencer box (8), four silencer plates (10) are arranged inside the silencer box (8), the four silencer plates (10) are distributed in a trapezoid shape from top to bottom in the silencer box (8), and the four silencer plates (10) are all fixedly, four be equipped with first guide hole (11), second guide hole (12), third guide hole (13) and fourth guide hole (14) in acoustical panel (10) respectively, the diameter size of first guide hole (11), second guide hole (12), third guide hole (13) and fourth guide hole (14) reduces in proper order, the quantity of first guide hole (11), second guide hole (12), third guide hole (13) and fourth guide hole (14) increases in proper order.
2. A new silencer structure according to claim 1, characterized in that the diameters of the first guide hole (11), the second guide hole (12), the third guide hole (13) and the fourth guide hole (14) decrease in a twofold manner, and the numbers of the first guide hole (11), the second guide hole (12), the third guide hole (13) and the fourth guide hole (14) increase in a twofold manner.
3. The novel silencer structure according to claim 1, wherein an exhaust pipe (9) is arranged on the outer side wall of the bottom of the silencer box (8), and the exhaust pipe (9) is fixedly connected with the silencer box (8).
4. The novel silencer structure according to claim 1, wherein the sound absorber (6) comprises a cylinder (61), the cylinder (61) is internally provided with a gas passage (62), the outside of the gas passage (62) is provided with a sound absorbing cotton layer (63), and the sound absorbing cotton layer (63) is filled in the cylinder (61).
5. The novel silencer structure according to claim 4, wherein the outer side wall of the cylinder (61) is provided with a plurality of sound-absorbing holes (64), and the sound-absorbing holes (64) are uniformly distributed on the cylinder (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921369177.3U CN210343702U (en) | 2019-08-22 | 2019-08-22 | Novel silencing device structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921369177.3U CN210343702U (en) | 2019-08-22 | 2019-08-22 | Novel silencing device structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210343702U true CN210343702U (en) | 2020-04-17 |
Family
ID=70175919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921369177.3U Expired - Fee Related CN210343702U (en) | 2019-08-22 | 2019-08-22 | Novel silencing device structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210343702U (en) |
-
2019
- 2019-08-22 CN CN201921369177.3U patent/CN210343702U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200417 |