CN217391895U - Low-noise post-stage filter - Google Patents
Low-noise post-stage filter Download PDFInfo
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- CN217391895U CN217391895U CN202220218209.5U CN202220218209U CN217391895U CN 217391895 U CN217391895 U CN 217391895U CN 202220218209 U CN202220218209 U CN 202220218209U CN 217391895 U CN217391895 U CN 217391895U
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Abstract
The utility model discloses a low-noise rear-stage filter, which comprises a filter body and an inner side shell, wherein the inner side of the filter body is provided with the inner side shell, and the inner wall of the inner side shell is provided with a sound insulation mechanism for reducing the noise in the filter body, one side of the filter body is provided with an air inlet pipe orifice, the interior of the filter body is provided with an internal fan through a mounting frame, the input end of the internal fan is connected with the air inlet pipe opening, the output end of the internal fan is provided with an outlet pipe through a supporting frame, and the outlet pipe is internally provided with a clamping mechanism for fixing the position, the top end of the clamping mechanism is provided with an outlet silencer body, the device adopts an O-shaped filter structure, thereby increasing the negative pressure capability, leading the negative pressure capability to be stronger, reducing the wind resistance, make air flow more smoothly, increase pipeline silencing device, minimize with inside fan noise as far as possible.
Description
Technical Field
The utility model relates to a filter technical field specifically is a low noise back-stage filter.
Background
With the development of society and the progress of science and technology, the filter industry develops rapidly, and the existing filter is an indispensable device generally used for a medium conveying pipeline and is widely used in the fields of metallurgy, chemical engineering, petroleum, paper making, medicine, food, mining, electric power and urban water supply.
However, the conventional filter has the following problems in the use process: the filter body easily produces a large amount of noises, and then influences normal operational environment, and the operating personnel physical and mental health of being not convenient for, and original filter is the rectangle structure for structural strength is not high, can't satisfy the negative pressure intensity that the filter structure bore, and then can't satisfy the demand in market, makes the practicality not high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a low noise post filter to solve the relevant problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a low noise back level filter, includes filter body and inboard casing, filter body's inboard is provided with inboard casing, and inboard casing inner wall is provided with and is used for reducing the sound insulation mechanism of the inside noise of filter body, one side of filter body is provided with the air inlet mouth of pipe, filter body's inside is provided with inside fan through the mounting bracket, and the input of inside fan is connected with air inlet mouth of pipe department, the output of inside fan is provided with the outlet pipe through the support frame, and the inside clamping mechanism who is used for fixed position that is provided with of outlet pipe, clamping mechanism's top is provided with the export muffler body, and the top of export muffler body is provided with and connects the coupling pipe, a plurality of arcs have been seted up to the bottom of export muffler body.
Preferably, the sound insulation mechanism comprises a sound insulation board and silencing cotton, the inner side of the inner side shell is provided with a noise reduction material, the inner material of the noise reduction material can be a gypsum board, and the silencing cotton is arranged inside the noise reduction material.
Preferably, the soundproof cotton is provided with a soundproof panel at an inner side thereof, and an inner material of the soundproof panel may be a soundproof felt.
Preferably, the clamping mechanism comprises a moving groove and a fixed spring, a clamping installation block is arranged inside the outlet pipe, and an installation groove is formed in the top end of the clamping installation block.
Preferably, a plurality of moving grooves are formed in two sides of the inner wall of the mounting groove, and fixing springs are arranged inside the moving grooves.
Preferably, one side of the fixed spring is provided with an arc frame body, and the outer wall of the arc frame body is matched with the arc groove.
Compared with the prior art, the utility model provides a low noise back-stage filter possesses following beneficial effect:
1. the utility model discloses an adopt the filter structure of "o" type to increased the negative pressure ability, makeed the negative pressure ability stronger, reduced the windage, makeed the air flow more smooth and easy, increased pipeline silencing device, fall to inside fan noise to minimum as far as possible.
2. The utility model discloses an arc framework laminates with export muffler body outer wall mutually, then the arc framework extrudees fixed spring department for fixed spring takes place the crimple in the shifting chute, then this structure drives the arc framework and inserts the arc wall position through fixed spring self elastic action down, fixes export muffler body position, and this structure is convenient for fix export muffler body in the export tube internal position.
Drawings
Fig. 1 is a front sectional view of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a top cross-sectional view of the present invention;
fig. 4 is an enlarged view of fig. 2 a according to the present invention;
fig. 5 is an enlarged view of the point B of fig. 2 according to the present invention.
In the figure: 1. a filter body; 2. an inner housing; 3. an internal fan; 4. an outlet pipe; 5. clamping the mounting block; 6. an outlet muffler body; 7. a coupling hoop pipe is connected; 8. mounting grooves; 9. a moving groove; 10. fixing the spring; 11. an arc-shaped slot; 12. an arc frame body; 13. a sound insulating board; 14. silent cotton; 15. a noise reducing material; 16. an air inlet pipe orifice.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a low noise back level filter, including filter body 1 and inboard casing 2, filter body 1's inboard is provided with inboard casing 2, and 2 inner walls of inboard casing are provided with the noise insulation mechanism who is used for reducing 1 internal noise of filter body, one side of filter body 1 is provided with air intake pipe 16, filter body 1's inside is provided with inside fan 3 through the mounting bracket, and the input of inside fan 3 is connected with air intake pipe 16 department, the output of inside fan 3 is provided with outlet pipe 4 through the support frame, and the inside clamping mechanism who is used for fixed position that is provided with of outlet pipe 4, clamping mechanism's top is provided with export muffler body 6, and the top of export muffler body 6 is provided with and connects and join in marriage coupling pipe 7, a plurality of arc walls 11 have been seted up to the bottom of export muffler body 6.
As a preferable scheme of the embodiment, the sound insulation mechanism includes a sound insulation board 13 and a sound insulation cotton 14, the inner side of the inner shell 2 is provided with a noise reduction material 15, the inner material of the noise reduction material 15 may be a gypsum board, the sound insulation cotton 14 is arranged inside the noise reduction material 15, and the sound insulation cotton 14 is adhered to the outer wall of the gypsum board, so that the projected sound energy is weakened, the transmission of sound is blocked, and the noise is effectively reduced;
as a preferable scheme of this embodiment, the sound insulation board 13 is disposed on the inner side of the soundproof cotton 14, and the internal material of the sound insulation board 13 may be a sound insulation felt, and the sound insulation felt is attached to the position of the soundproof cotton 14, so as to increase the noise reduction effect;
as a preferable scheme of the present embodiment, the clamping mechanism includes a moving groove 9 and a fixed spring 10, a clamping installation block 5 is provided inside the outlet pipe 4, and a mounting groove 8 is provided at the top end of the clamping installation block 5, and the outlet silencer body 6 is inserted into the mounting groove 8, so that the outlet silencer body 6 is fixed inside the clamping installation block 5 by the clamping mechanism;
as a preferable scheme of this embodiment, a plurality of moving grooves 9 are formed on both sides of an inner wall of the mounting groove 8, and a fixed spring 10 is disposed inside the moving grooves 9, and the outer wall of the outlet muffler body 6 is attached to the arc frame 12, so that the arc frame 12 extrudes the fixed spring 10, and the fixed spring 10 contracts in the moving grooves 9, and the structure drives the arc frame 12 to be inserted into the position of the arc groove 11 under the action of the own elastic force of the fixed spring 10, so as to fix the position of the outlet muffler body 6;
as a preferable scheme of this embodiment, an arc frame 12 is disposed on one side of the fixing spring 10, an outer wall of the arc frame 12 is matched with the arc groove 11, and the fixing spring 10 drives the arc frame 12 to be inserted into the arc groove 11 under its own elastic force, so as to fix the position of the outlet muffler body 6;
example 1, as shown in fig. 1-2, the filter of the device adopts a circular filter structure, and the bottom of the filter adopts a cone, so that the negative pressure capacity is increased, the wind resistance is reduced, and the air flow is smoother.
The working principle is as follows: firstly, when the device is used, firstly, an internal fan 3 is started to suck external dust into a filter body 1 through an air inlet pipe opening 16, then the dust is filtered by a filter element in the filter body 1 and then is discharged outwards through an outlet pipe 4 at the internal fan 3, because a large amount of noise is easily generated when the interior of the filter body 1 is subjected to filtering work, the noise in the filter body 1 is further reduced by adopting the combination of a sound-proof felt, silent cotton and a gypsum board, and meanwhile, an outlet silencer body 6 is arranged at the outlet of the outlet pipe 4, the silencing and noise reducing effects can be effectively played, so that the excessive noise cannot be generated in the working environment, the device adopts an o-shaped filter structure, the interior of the device is completely O-shaped, and a cone is adopted at the bottom of the filter, so that the negative pressure capacity is stronger, the wind resistance is reduced, so that the air flows more smoothly, and the noise of the internal fan 3 is reduced to the lowest extent as much as possible by adding the pipeline silencing device;
when the replacement is dismantled to 6 departments of export muffler body to needs, then can accomplish the dismantlement through upwards pulling export muffler body 6 and the inside clamping mechanism separation of outlet pipe 4, when needs are installed, then insert export muffler body 6 in mounting groove 8, and through 6 outer walls extrusion arc framework 12 of export muffler body, make arc framework 12 to extrusion fixed spring 10 in shifting chute 9, then fixed spring 10 takes place to shrink, and when arc framework 12 was aligned with 11 outer walls of arc chute, then it is inside to drive arc framework 12 and insert arc chute 11 under 11 self elastic action, make export muffler body 6 obtain self-holding in mounting groove 8 internal location and fix, this structure easy operation, convenient to detach replacement.
It should be finally noted that the above contents are only used to illustrate the technical solutions of the present invention, but not to limit the protection scope of the present invention, and the simple modification or equivalent replacement performed by the technical solutions of the present invention by those skilled in the art does not depart from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. A low noise post filter, includes filter body (1) and inboard casing (2), its characterized in that: the inner side of the filter body (1) is provided with an inner side shell (2), the inner wall of the inner side shell (2) is provided with a sound insulation mechanism for reducing the noise inside the filter body (1), an air inlet pipe orifice (16) is arranged on one side of the filter body (1), an internal fan (3) is arranged in the filter body (1) through a mounting frame, the input end of the internal fan (3) is connected with the air inlet pipe orifice (16), the output end of the internal fan (3) is provided with an outlet pipe (4) through a supporting frame, and a clamping mechanism for fixing the position is arranged in the outlet pipe (4), the top end of the clamping mechanism is provided with an outlet silencer body (6), and the top end of the outlet silencer body (6) is provided with a matching hoop pipe (7), a plurality of arc-shaped grooves (11) are formed in the bottom end of the outlet silencer body (6).
2. A low noise post-filter according to claim 1, wherein: the noise insulation mechanism comprises a noise insulation plate (13) and silencing cotton (14), wherein a noise reduction material (15) is arranged on the inner side of the inner side shell (2), the inner material of the noise reduction material (15) can be a gypsum board, and the silencing cotton (14) is arranged inside the noise reduction material (15).
3. A low noise post-filter according to claim 2, wherein: the inner side of the silencing cotton (14) is provided with a sound insulation board (13), and the inner material of the sound insulation board (13) can be sound insulation felt.
4. A low noise post-filter according to claim 1, wherein: the clamping mechanism comprises a moving groove (9) and a fixed spring (10), a clamping installation block (5) is arranged inside the outlet pipe (4), and an installation groove (8) is formed in the top end of the clamping installation block (5).
5. A low noise post-filter according to claim 4, wherein: a plurality of moving grooves (9) are formed in the two sides of the inner wall of the mounting groove (8), and fixing springs (10) are arranged inside the moving grooves (9).
6. A low noise post-filter according to claim 5, wherein: one side of the fixed spring (10) is provided with an arc-shaped frame body (12), and the outer wall of the arc-shaped frame body (12) is matched with the arc-shaped groove (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220218209.5U CN217391895U (en) | 2022-01-26 | 2022-01-26 | Low-noise post-stage filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220218209.5U CN217391895U (en) | 2022-01-26 | 2022-01-26 | Low-noise post-stage filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217391895U true CN217391895U (en) | 2022-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220218209.5U Active CN217391895U (en) | 2022-01-26 | 2022-01-26 | Low-noise post-stage filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217391895U (en) |
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2022
- 2022-01-26 CN CN202220218209.5U patent/CN217391895U/en active Active
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