CN215951739U - Noise-reducing and dust-removing device for ventilating duct - Google Patents
Noise-reducing and dust-removing device for ventilating duct Download PDFInfo
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- CN215951739U CN215951739U CN202122675918.4U CN202122675918U CN215951739U CN 215951739 U CN215951739 U CN 215951739U CN 202122675918 U CN202122675918 U CN 202122675918U CN 215951739 U CN215951739 U CN 215951739U
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- 239000000428 dust Substances 0.000 claims abstract description 48
- 238000009423 ventilation Methods 0.000 claims abstract description 47
- 230000007306 turnover Effects 0.000 claims abstract description 20
- 230000003139 buffering effect Effects 0.000 claims abstract 6
- 230000000694 effects Effects 0.000 abstract description 13
- 238000009434 installation Methods 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 238000005381 potential energy Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of ventilation pipes, and particularly relates to a noise-reducing and dust-removing device for a ventilation pipe, which comprises a ventilation pipe body, an extension pipe, a dust cover and an elastic clamping assembly, wherein the extension pipe is fixed at a pipe orifice of the ventilation pipe body by using a bolt; a guide plate is fixed at the air inlet pipe orifice of the extension pipe, and a spoiler is also fixed in the extension pipe; the extension pipe is internally hinged with an overturning flow buffering plate, and the free end of the overturning flow buffering plate is elastically connected with the inner wall of the extension pipe; according to the ventilating pipe, the extension pipe and the dust cover are additionally arranged, the guide plate, the spoiler and the turnover damper are arranged in the extension pipe, so that the air outlet path can be changed, the air outlet speed is reduced, and the effect of reducing wind noise is achieved; the arrangement of the dust cover can prevent external dust from entering the extension pipe and the ventilation pipe body, so that the ventilation effect is ensured, and the service life of the ventilation pipe is prolonged; the dust cover utilizes elasticity block subassembly to realize the installation, easy dismounting, easily clearance.
Description
Technical Field
The utility model belongs to the technical field of ventilation pipes, and particularly relates to a noise-reducing and dust-removing device for a ventilation pipe.
Background
The ventilation pipe is a hollow pipe used for ventilation and is mostly circular or square, the plate, the section bar and other main finished product materials used for manufacturing and installing the ventilation pipe are required to meet the regulations of the national current standard of design and related products, and are proved by the qualification of factory inspection, and the materials are required to be checked and accepted according to the national current related standard when entering the field.
On some buildings, such as residential or commercial premises, there are multiple square-structured ventilation ducts.
However, most ventilation pipes are lack of necessary protection measures at pipe orifices when in use, external dust easily enters the pipes from the pipe orifices, the ventilation effect of the ventilation pipes is reduced, the service life of the ventilation pipes is shortened, and in addition, great noise is generated during ventilation.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the utility model provides a noise-reducing and dust-removing device for a ventilation pipeline, which has the characteristics of convenience in use, low noise and long service life.
In order to achieve the purpose, the utility model provides the following technical scheme: a noise-reducing and dust-removing device for a ventilating duct comprises a ventilating duct body, and further comprises an extension pipe, a dust cover and an elastic clamping assembly, wherein the extension pipe is fixed at a pipe orifice of the ventilating duct body through a bolt, and the dust cover is installed at the pipe orifice of the extension pipe through the elastic clamping assembly; the extension pipe is an L-shaped square pipe, and an air outlet pipe opening of the extension pipe is vertically downward; two symmetrically distributed guide plates are fixed at the air inlet pipe orifice of the extension pipe, the two guide plates are installed in an inclined manner, and two spoilers which are symmetrically distributed in a staggered manner are also fixed in the extension pipe; the extension pipe is internally hinged with two overturning flow-buffering plates which are in staggered symmetrical distribution, and the free ends of the overturning flow-buffering plates are elastically connected with the inner wall of the extension pipe.
As a preferred technical scheme, the utility model further comprises a telescopic column and a telescopic spring, wherein one end of the telescopic column is hinged with the turnover slow flow plate, the other end of the telescopic column is hinged with the inner wall of the extension pipe, limiting rings are fixed at two ends of the telescopic column, and the telescopic spring is sleeved on the telescopic column and is positioned between the two limiting rings.
As a preferred technical scheme of the utility model, a first connecting coaming is fixed on the outer wall of the port of the extension pipe, and a second connecting coaming corresponding to the first connecting coaming is fixed on the dust cover; the outer wall of the second connecting enclosing plate is fixed with a positioning column, and a positioning hole for the positioning column to penetrate through is formed in the first connecting enclosing plate.
As a preferred technical scheme of the present invention, the elastic clamping assembly includes a connecting column and a return spring, a fixing plate is fixed on an outer wall of the dust cover, the connecting column penetrates through the fixing plate, a limiting plate and a limiting disc are respectively fixed at two ends of the connecting column, and the return spring is sleeved on the connecting column and located between the fixing plate and the limiting disc; the limiting plate is hinged with an L-shaped operating plate, and the operating plate is provided with a through hole for the positioning column to penetrate through.
In a preferred embodiment of the present invention, a pull ring is fixed to an outer surface of the operation panel.
As a preferred technical solution of the present invention, a wind-collecting cover is fixed in a position close to the outlet of the air outlet pipe in the extension pipe, and the wind-collecting cover has a rectangular frustum structure with a large top and a small bottom.
Compared with the prior art, the utility model has the beneficial effects that: according to the ventilating pipe, the extension pipe and the dust cover are additionally arranged, the guide plate, the spoiler and the turnover damper are arranged in the extension pipe, so that the air outlet path can be changed, the air outlet speed is reduced, and the effect of reducing wind noise is achieved; the arrangement of the dust cover can prevent external dust from entering the extension pipe and the ventilation pipe body, so that the ventilation effect is ensured, and the service life of the ventilation pipe is prolonged; the dust cover utilizes elasticity block subassembly to realize the installation, easy dismounting, easily clearance.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic side view of an extension pipe according to the present invention;
FIG. 3 is an enlarged schematic view of the elastic clamping assembly shown in FIG. 1 according to the present invention;
in the figure: 1. a vent tube body; 2. an extension pipe; 3. a dust cover; 4. the first connecting coaming; 5. the second connecting coaming; 6. a positioning column; 7. positioning holes; 8. an elastic clamping component; 9. a baffle; 10. a spoiler; 11. turning over the buffer plate; 12. a telescopic column; 13. a limiting ring; 14. a tension spring; 15. a wind collecting cover; 16. a fixing plate; 17. connecting columns; 18. a limiting disc; 19. a return spring; 20. a limiting plate; 21. an operation panel; 22. perforating; 23. and (4) a pull ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-3, the present invention provides the following technical solutions: a noise-reducing and dust-removing device for a ventilating duct comprises a ventilating duct body 1, and further comprises an extension pipe 2, a dust cover 3 and an elastic clamping assembly 8, wherein the extension pipe 2 is fixed at the pipe orifice of the ventilating duct body 1 through a bolt, and the dust cover 3 is installed at the pipe orifice of the extension pipe 2 through the elastic clamping assembly 8; the extension pipe 2 is an L-shaped square pipe, and an air outlet pipe opening of the extension pipe 2 is vertically downward; two symmetrically distributed guide plates 9 are fixed at the air inlet pipe orifice of the extension pipe 2, the two guide plates 9 are installed in an inclined shape, and two spoilers 10 which are symmetrically distributed in a staggered manner are also fixed in the extension pipe 2; the extension pipe 2 is internally articulated with two staggered and symmetrically distributed turnover baffles 11, the free ends of the turnover baffles 11 are elastically connected with the inner wall of the extension pipe 2, when in use, the extension pipe 2 is fixed at the pipe orifice of the ventilation pipe body 1 by bolts, the dust cover 3 is arranged at the pipe orifice of the extension pipe 2 by an elastic clamping component 8, when in ventilation, wind enters the extension pipe 2 from the ventilation pipe body 1, is firstly guided by a guide plate 9 before entering the extension pipe 2 and then bypasses two staggered and symmetrically distributed spoilers 10, the flow path of the wind at the position presents an S shape, the original path is changed, the wind speed is reduced, the effect of reducing wind noise is achieved, then the wind respectively flows through the two staggered and symmetrically distributed turnover baffles 11, because the free ends of the turnover baffles 11 are elastically connected with the inner wall of the extension pipe 2, partial wind power can be converted into kinetic energy of the overturning flow-buffering plate 11 and elastic potential energy of the elastic connecting part, the wind speed is reduced again, the noise reduction effect is improved, the wind is discharged through the dust cover 3 at last, the dust cover 3 can prevent external dust from entering the extension pipe 2 and the ventilation pipe body 1, the ventilation effect is guaranteed, and the service life of the ventilation pipe body 1 is prolonged.
Specifically, as shown in fig. 1 and fig. 2, in this embodiment, the extension column further includes a telescopic column 12 and a telescopic spring 14, one end of the telescopic column 12 is hinged to the turnover current-buffering plate 11, the other end of the telescopic column is hinged to the inner wall of the extension pipe 2, two ends of the telescopic column 12 are both fixed with limiting rings 13, the telescopic spring 14 is sleeved on the telescopic column 12 and located between the two limiting rings 13, the telescopic spring 14 provides the elastic force for stretching the telescopic column 12, so as to achieve the elastic connection between the free end of the turnover current-buffering plate 11 and the inner wall of the extension pipe 2, and in addition, the telescopic column 12 is formed by sleeving two sections of hollow cylindrical members.
Specifically, according to fig. 1, in the embodiment, a first connecting surrounding plate 4 is fixed on the outer wall of the port of the extension pipe 2, and a second connecting surrounding plate 5 corresponding to the first connecting surrounding plate 4 is fixed on the dust cover 3; no. two outer walls of connecting bounding wall 5 are fixed with reference column 6, offer the locating hole 7 that supplies reference column 6 to run through on connecting bounding wall 4 for the mounted position of extension pipe 2 is fixed a position, improves the stability of extension pipe 2 installation simultaneously, avoids extension pipe 2 lateral sliding when using.
Specifically, according to fig. 1 and fig. 3, in this embodiment, the elastic clamping assembly 8 includes a connecting column 17 and a return spring 19, a fixing plate 16 is fixed on the outer wall of the dust cover 3, the connecting column 17 penetrates through the fixing plate 16, a limiting plate 20 and a limiting disc 18 are respectively fixed at two ends of the connecting column 17, and the return spring 19 is sleeved on the connecting column 17 and located between the fixing plate 16 and the limiting disc 18; an L-shaped operation plate 21 is hinged to the limiting plate 20, a through hole 22 for the positioning column 6 to penetrate through is formed in the operation plate 21, when the extension pipe 2 is installed, the positioning column 6 penetrates through the positioning hole 7, the operation plate 21 is pulled forwards, the limiting plate 20, the connecting column 17 and the limiting disc 18 are pulled by the operation plate 21, the return spring 19 is compressed, when the operation plate 21 crosses the end portion of the positioning column 6, the operation plate 21 is rotated, the through hole 22 corresponds to the positioning column 6, after the operation plate 21 is loosened, the return spring 19 enables the operation plate 21 to reset, the positioning column 6 penetrates through the through hole 22, the operation plate 21 clamps the first connecting enclosing plate 4, and stable installation of the dust cover 3 is achieved; when dismantling dust cover 3 and clearing up, preceding operation panel 21 that draws, after locating column 6 breaks away from perforation 22, upset operation panel 21 makes operation panel 21 and a certain position of staggering of locating column 6 can loosen operation panel 21, later can easily take off dust cover 3 and clear up.
Specifically, according to fig. 1 and 3, in the present embodiment, a pull ring 23 is fixed on an outer surface of the operation plate 21, and the operation plate 21 is pulled by the pull ring 23, which is more convenient.
Example 2
Referring to fig. 1-3, the present invention provides the following technical solutions: a noise-reducing and dust-removing device for a ventilating duct comprises a ventilating duct body 1, and further comprises an extension pipe 2, a dust cover 3 and an elastic clamping assembly 8, wherein the extension pipe 2 is fixed at the pipe orifice of the ventilating duct body 1 through a bolt, and the dust cover 3 is installed at the pipe orifice of the extension pipe 2 through the elastic clamping assembly 8; the extension pipe 2 is an L-shaped square pipe, and an air outlet pipe opening of the extension pipe 2 is vertically downward; two symmetrically distributed guide plates 9 are fixed at the air inlet pipe orifice of the extension pipe 2, the two guide plates 9 are installed in an inclined shape, and two spoilers 10 which are symmetrically distributed in a staggered manner are also fixed in the extension pipe 2; the extension pipe 2 is internally articulated with two staggered and symmetrically distributed turnover baffles 11, the free ends of the turnover baffles 11 are elastically connected with the inner wall of the extension pipe 2, when in use, the extension pipe 2 is fixed at the pipe orifice of the ventilation pipe body 1 by bolts, the dust cover 3 is arranged at the pipe orifice of the extension pipe 2 by an elastic clamping component 8, when in ventilation, wind enters the extension pipe 2 from the ventilation pipe body 1, is firstly guided by a guide plate 9 before entering the extension pipe 2 and then bypasses two staggered and symmetrically distributed spoilers 10, the flow path of the wind at the position presents an S shape, the original path is changed, the wind speed is reduced, the effect of reducing wind noise is achieved, then the wind respectively flows through the two staggered and symmetrically distributed turnover baffles 11, because the free ends of the turnover baffles 11 are elastically connected with the inner wall of the extension pipe 2, partial wind power can be converted into kinetic energy of the overturning flow-buffering plate 11 and elastic potential energy of the elastic connecting part, the wind speed is reduced again, the noise reduction effect is improved, the wind is discharged through the dust cover 3 at last, the dust cover 3 can prevent external dust from entering the extension pipe 2 and the ventilation pipe body 1, the ventilation effect is guaranteed, and the service life of the ventilation pipe body 1 is prolonged.
Specifically, as shown in fig. 1 and fig. 2, in this embodiment, the extension column further includes a telescopic column 12 and a telescopic spring 14, one end of the telescopic column 12 is hinged to the turnover current-buffering plate 11, the other end of the telescopic column is hinged to the inner wall of the extension pipe 2, two ends of the telescopic column 12 are both fixed with limiting rings 13, the telescopic spring 14 is sleeved on the telescopic column 12 and located between the two limiting rings 13, the telescopic spring 14 provides the elastic force for stretching the telescopic column 12, so as to achieve the elastic connection between the free end of the turnover current-buffering plate 11 and the inner wall of the extension pipe 2, and in addition, the telescopic column 12 is formed by sleeving two sections of hollow cylindrical members.
Specifically, according to fig. 1, in the embodiment, a first connecting surrounding plate 4 is fixed on the outer wall of the port of the extension pipe 2, and a second connecting surrounding plate 5 corresponding to the first connecting surrounding plate 4 is fixed on the dust cover 3; no. two outer walls of connecting bounding wall 5 are fixed with reference column 6, offer the locating hole 7 that supplies reference column 6 to run through on connecting bounding wall 4 for the mounted position of extension pipe 2 is fixed a position, improves the stability of extension pipe 2 installation simultaneously, avoids extension pipe 2 lateral sliding when using.
Specifically, according to fig. 1 and fig. 3, in this embodiment, the elastic clamping assembly 8 includes a connecting column 17 and a return spring 19, a fixing plate 16 is fixed on the outer wall of the dust cover 3, the connecting column 17 penetrates through the fixing plate 16, a limiting plate 20 and a limiting disc 18 are respectively fixed at two ends of the connecting column 17, and the return spring 19 is sleeved on the connecting column 17 and located between the fixing plate 16 and the limiting disc 18; an L-shaped operation plate 21 is hinged to the limiting plate 20, a through hole 22 for the positioning column 6 to penetrate through is formed in the operation plate 21, when the extension pipe 2 is installed, the positioning column 6 penetrates through the positioning hole 7, the operation plate 21 is pulled forwards, the limiting plate 20, the connecting column 17 and the limiting disc 18 are pulled by the operation plate 21, the return spring 19 is compressed, when the operation plate 21 crosses the end portion of the positioning column 6, the operation plate 21 is rotated, the through hole 22 corresponds to the positioning column 6, after the operation plate 21 is loosened, the return spring 19 enables the operation plate 21 to reset, the positioning column 6 penetrates through the through hole 22, the operation plate 21 clamps the first connecting enclosing plate 4, and stable installation of the dust cover 3 is achieved; when dismantling dust cover 3 and clearing up, preceding operation panel 21 that draws, after locating column 6 breaks away from perforation 22, upset operation panel 21 makes operation panel 21 and a certain position of staggering of locating column 6 can loosen operation panel 21, later can easily take off dust cover 3 and clear up.
Specifically, according to fig. 1 and 3, in the present embodiment, a pull ring 23 is fixed on an outer surface of the operation plate 21, and the operation plate 21 is pulled by the pull ring 23, which is more convenient.
Specifically, as shown in fig. 1 and fig. 2, in this embodiment, a wind collecting cover 15 is fixed at a position close to the outlet of the air outlet pipe in the extension pipe 2, and the wind collecting cover 15 is of a rectangular frustum structure with a large top and a small bottom, and is used for guiding the exhaust air.
The working principle and the using process of the utility model are as follows: when the ventilation pipe is used, the extension pipe 2 is fixed at the pipe orifice of the ventilation pipe body 1 by using bolts, the dust cover 3 is arranged at the pipe orifice of the extension pipe 2 by using the elastic clamping component 8, when the ventilation is performed, wind enters the extension pipe 2 from the ventilation pipe body 1, before entering the extension pipe 2, the wind is firstly guided by the guide plate 9 and then bypasses the two spoilers 10 which are symmetrically distributed in a staggered way, the flow path of the wind at the position is S-shaped, the original path is changed, the wind speed is reduced, the wind noise is reduced, then the wind respectively flows through the two turnover buffer plates 11 which are symmetrically distributed in a staggered way, as the free ends of the turnover buffer plates 11 are elastically connected with the inner wall of the extension pipe 2, part of the wind is converted into the kinetic energy of the turnover buffer plates 11 and the elastic potential energy of the elastic connecting component, the wind speed is reduced again, and the noise reduction effect is improved, finally, the dust is discharged through the dust cover 3;
the dust cover 3 can prevent external dust from entering the extension pipe 2 and the ventilation pipe body 1, so that the ventilation effect is ensured, and the service life of the ventilation pipe body 1 is prolonged.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a dust collector that makes an uproar falls in air pipe, includes ventilation pipe body (1), its characterized in that: the ventilating pipe is characterized by further comprising an extension pipe (2), a dust cover (3) and an elastic clamping assembly (8), wherein the extension pipe (2) is fixed at the pipe orifice of the ventilating pipe body (1) through a bolt, and the dust cover (3) is installed at the pipe orifice of the extension pipe (2) through the elastic clamping assembly (8); the extension pipe (2) is an L-shaped square pipe, and an air outlet pipe opening of the extension pipe (2) is vertically downward; two symmetrically distributed guide plates (9) are fixed at the air inlet pipe orifice of the extension pipe (2), the two guide plates (9) are installed in an inclined manner, and two spoilers (10) which are symmetrically distributed in a staggered manner are also fixed in the extension pipe (2); two overturning flow buffering plates (11) which are symmetrically distributed in a staggered mode are hinged in the extension pipe (2), and the free ends of the overturning flow buffering plates (11) are elastically connected with the inner wall of the extension pipe (2).
2. A noise-reducing and dust-removing device for ventilation ducts according to claim 1, characterized in that: the turnover buffering plate is characterized by further comprising a telescopic column (12) and a telescopic spring (14), wherein one end of the telescopic column (12) is hinged to the turnover buffering plate (11), the other end of the telescopic column is hinged to the inner wall of the extension pipe (2), limiting rings (13) are fixed at two ends of the telescopic column (12), and the telescopic spring (14) is sleeved on the telescopic column (12) and located between the two limiting rings (13).
3. A noise-reducing and dust-removing device for ventilation ducts according to claim 1, characterized in that: a first connecting coaming (4) is fixed on the outer wall of the port of the extension pipe (2), and a second connecting coaming (5) corresponding to the first connecting coaming (4) is fixed on the dust cover (3); a positioning column (6) is fixed on the outer wall of the second connecting enclosing plate (5), and a positioning hole (7) for the positioning column (6) to penetrate through is formed in the first connecting enclosing plate (4).
4. A noise-reducing and dust-removing device for ventilation ducts according to claim 3, characterized in that: the elastic clamping component (8) comprises a connecting column (17) and a return spring (19), a fixing plate (16) is fixed on the outer wall of the dust cover (3), the connecting column (17) penetrates through the fixing plate (16), a limiting plate (20) and a limiting disc (18) are respectively fixed at two ends of the connecting column (17), and the return spring (19) is sleeved on the connecting column (17) and is positioned between the fixing plate (16) and the limiting disc (18); the limiting plate (20) is hinged with an L-shaped operating plate (21), and the operating plate (21) is provided with a through hole (22) for the positioning column (6) to penetrate through.
5. A noise and dust reducing device for ventilation ducts according to claim 4, characterized in that: a pull ring (23) is fixed on the outer surface of the operating plate (21).
6. A noise-reducing and dust-removing device for ventilation ducts according to claim 1, characterized in that: and a wind collecting cover (15) is fixed at a position, close to the air outlet pipe orifice, in the extension pipe (2), and the wind collecting cover (15) is of a quadrangular frustum pyramid structure with a large upper part and a small lower part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122675918.4U CN215951739U (en) | 2021-11-03 | 2021-11-03 | Noise-reducing and dust-removing device for ventilating duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122675918.4U CN215951739U (en) | 2021-11-03 | 2021-11-03 | Noise-reducing and dust-removing device for ventilating duct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215951739U true CN215951739U (en) | 2022-03-04 |
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ID=80411612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122675918.4U Active CN215951739U (en) | 2021-11-03 | 2021-11-03 | Noise-reducing and dust-removing device for ventilating duct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215951739U (en) |
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2021
- 2021-11-03 CN CN202122675918.4U patent/CN215951739U/en active Active
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