CN212691193U - Silencing device of rectangular ventilating duct - Google Patents
Silencing device of rectangular ventilating duct Download PDFInfo
- Publication number
- CN212691193U CN212691193U CN202021484592.6U CN202021484592U CN212691193U CN 212691193 U CN212691193 U CN 212691193U CN 202021484592 U CN202021484592 U CN 202021484592U CN 212691193 U CN212691193 U CN 212691193U
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- China
- Prior art keywords
- pipe
- frame
- sleeve
- silencing
- air
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- Expired - Fee Related
Links
- 230000030279 gene silencing Effects 0.000 title claims abstract description 43
- 239000000428 dust Substances 0.000 claims abstract description 23
- 238000009423 ventilation Methods 0.000 claims abstract description 18
- 230000000903 blocking effect Effects 0.000 claims description 30
- 230000003584 silencer Effects 0.000 claims description 9
- 238000004378 air conditioning Methods 0.000 claims 1
- 239000004576 sand Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 7
- 239000004575 stone Substances 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000001603 reducing effect Effects 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 210000000689 upper leg Anatomy 0.000 abstract 3
- 238000000034 method Methods 0.000 description 3
- 238000003287 bathing Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a rectangle air pipe's silencing device, including hush pipe, play tuber pipe, sleeve pipe, air-supply line and dust collection fill, hush pipe, sleeve pipe and the equal vertical placing of play tuber pipe go out the tuber pipe and lie in hush pipe upper end, and the sleeve pipe lies in hush pipe lower extreme, and the air-supply line level is placed, and beneficial effect is: utilize last choked flow frame and lower choked flow frame to carry out preliminary speed reduction to big thigh wind current, the ventilation hole that utilizes the big little conical structure of lower extreme in upper end slows down wind current once more, can cut apart into many little thigh wind currents with big thigh wind current simultaneously, reduce the impact force of wind current to air pipe, thereby realize the purpose of reducing a bath, the spoiler has the effect of blockking to the sand and stone in the wind current, when the wind current passes through lower choked flow frame and last choked flow frame, the wind speed descends, partly sand and stone can drop inside the dust hopper under self action of gravity, the dust removal is convenient, both ends respectively with play tuber pipe and sleeve pipe threaded connection about the hush pipe, rotatable pull down hush pipe and dredge the ventilation hole, easy maintenance.
Description
Technical Field
The utility model relates to an air pipe equipment technical field specifically is a rectangle air pipe's silencing device.
Background
When the air current circulated in ventilation pipe inside, big strand of air current collided the ventilation pipe inner wall and can produced very big noise, and society today, noise pollution is more and more serious, and the muffler has obvious reducing action to various noises in the industry, has a aperture type muffler among the traditional muffler, and its inside has many aperture passageways, makes big strand of air current cut apart and subtracts bathe.
However, in the use process of the traditional silencer, the small hole channel is easily blocked by sand and stones in wind flow, the bathing reduction effect and the wind flow smoothness are affected, the maintenance is inconvenient, and the problem needs to be solved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a rectangle air pipe's silencing device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a silencer of a rectangular ventilating duct comprises a silencing pipe, an air outlet pipe, a sleeve, an air inlet pipe and a dust hopper, wherein the silencing pipe, the sleeve and the air outlet pipe are vertically arranged, the air outlet pipe is positioned at the upper end of the silencing pipe, the sleeve is positioned at the lower end of the silencing pipe, the air inlet pipe is horizontally arranged, the air inlet pipe is embedded on the pipe wall of one side of the sleeve, the dust hopper is positioned at the lower end of the sleeve, a silencing frame is fixedly arranged at the upper end inside the silencing pipe and horizontally arranged, a plurality of ventilation holes are uniformly formed in the end face of the silencing frame, the ventilation holes are in a conical structure with the large upper end and the small lower end, an upper flow blocking frame and a lower flow blocking frame are respectively and fixedly arranged at the lower end inside the silencing pipe, the upper flow blocking frame and the lower flow blocking frame are horizontally arranged, the upper flow blocking frame and the lower flow blocking frame are completely identical in structure, the flow blocking discs are provided with a plurality of flow blocking discs which are fixedly connected through a connecting frame.
Furthermore, the flow blocking disc is of a hemispherical structure, the convex surface of the flow blocking disc faces upwards, the concave surface of the flow blocking disc faces downwards, and a rubber pad is arranged inside the concave surface of the flow blocking disc.
Furthermore, the upper choke frame is positioned right above the lower choke frame, and the spoilers of the upper choke frame and the lower choke frame are arranged in a staggered and offset manner.
Furthermore, the silencing pipe, the air outlet pipe, the sleeve and the air inlet pipe are all cylindrical structures, the dust hopper is of a conical structure with a large upper end and a small lower end, the upper end and the lower end of the silencing pipe are respectively in threaded connection with the air outlet pipe and the sleeve, and the upper end of the dust hopper is in threaded connection with the lower end of the sleeve.
Furthermore, one end of the air outlet of the air inlet pipe is positioned inside the sleeve, and one end of the air outlet of the air inlet pipe is of an upward-warped arc structure.
Furthermore, the outer side of the upper end of the air outlet pipe is provided with a first connecting flange with a rectangular structure, and the outer side of one end of the air inlet pipe is provided with a second connecting flange with a rectangular structure.
Compared with the prior art, the beneficial effects of the utility model are that:
1. utilize last choked flow frame and lower choked flow frame to carry out preliminary speed reduction to big strand of wind current, utilize the ventilation hole of the big conical structure of lower extreme in upper end to slow down once more to the wind current, can cut apart into many little strand of wind currents with big strand of wind current simultaneously, reduce the impact force of wind current to air pipe to realize reducing the purpose of bathing.
2. The spoiler has a blocking effect on sand and stones in the wind flow, when the wind flow passes through the lower flow blocking frame and the upper flow blocking frame, the wind speed is reduced, and a part of the sand and stones can fall into the dust collecting hopper under the action of self gravity, so that dust is conveniently cleaned.
3. The upper end and the lower end of the silencing pipe are respectively in threaded connection with the air outlet pipe and the sleeve, the silencing pipe can be rotationally disassembled to dredge the vent hole, and the maintenance is convenient.
Drawings
Fig. 1 is a schematic view of the internal structure of the present invention;
fig. 2 is a schematic top view of the upper choked flow frame of the present invention;
fig. 3 is a schematic diagram of the external structure of the present invention.
In the reference symbols: 1-a silencing tube; 2-air outlet pipe; 3-sleeving a pipe; 4-an air inlet pipe; 5-dust collecting hopper; 6-a silencing frame; 7-a vent hole; 8-upper flow blocking frame; 9-lower flow blocking frame; 10-a bluff disc; 11-a connecting frame; 12-a first connecting flange; 13-second connecting flange.
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. 1-3, the present invention provides a technical solution: a silencer of a rectangular ventilating duct comprises a silencing pipe 1, an air outlet pipe 2, a sleeve 3, an air inlet pipe 4 and a dust collecting hopper 5, wherein the silencing pipe 1, the sleeve 3 and the air outlet pipe 2 are vertically arranged, the air outlet pipe 2 is positioned at the upper end of the silencing pipe 1, the sleeve 3 is positioned at the lower end of the silencing pipe 1, the air inlet pipe 4 is horizontally arranged, the air inlet pipe 4 is embedded on the pipe wall of one side of the sleeve 3, the dust collecting hopper 5 is positioned at the lower end of the sleeve 3, a silencing frame 6 is fixedly arranged at the upper end inside the silencing pipe 1, the silencing frame 6 is horizontally arranged, a plurality of vent holes 7 are uniformly arranged on the end surface of the silencing frame 6, the vent holes 7 are in a conical structure with large upper end and small lower end, an upper flow blocking frame 8 and a lower flow blocking frame 9 are respectively and fixedly arranged at the lower end inside the silencing pipe 1, the upper flow blocking frame 8 and the lower flow blocking frame 9 are both horizontally arranged, the upper flow blocking frame, the choke plate 10 is provided with a plurality of choke plates 10 which are fixedly connected with each other through a connecting frame 11.
Further, the bluff plate 10 is the hemisphere type structure, and the convex surface of the bluff plate 10 is placed concave surface up down, and the concave surface inside of the bluff plate 10 is equipped with the rubber pad, and the bluff plate 10 has increased the surface area, and to the speed reduction of wind current, the gravel and sand in the wind current has the effect of blockking simultaneously, but the rubber pad buffering collision dynamics.
Furthermore, the upper choker frame 8 is positioned right above the lower choker frame 9, and the choker discs 10 of the upper choker frame 8 and the lower choker frame 9 are arranged in a staggered offset manner, so that the choked flow effect is improved.
Furthermore, the silencing pipe 1, the air outlet pipe 2, the sleeve 3 and the air inlet pipe 4 are all cylindrical structures, the dust hopper 5 is a conical structure with a large upper end and a small lower end, the upper end and the lower end of the silencing pipe 1 are respectively in threaded connection with the air outlet pipe 2 and the sleeve 3, the upper end of the dust hopper 5 is in threaded connection with the lower end of the sleeve 3, and the silencing pipe 1 and the dust hopper 5 can be rotationally disassembled.
Furthermore, one end of the air outlet of the air inlet pipe 4 is positioned inside the sleeve 3, and one end of the air outlet of the air inlet pipe 4 is of an upward-warped arc structure and guides the air flow to flow upwards.
Furthermore, the outer side of the upper end of the air outlet pipe 2 is provided with a first connecting flange 12 with a rectangular structure, and the outer side of one end of the air inlet pipe 4 is provided with a second connecting flange 13 with a rectangular structure, so that the air inlet pipe is conveniently connected with a rectangular ventilation pipeline.
In the embodiment, the utility model discloses an installation and principle as follows:
the method comprises the following steps: the vertical arrangement of the silencing pipe 1 is ensured, the device is connected with a ventilating duct through a first connecting flange 12 and a second connecting flange 13, a large blast flow enters the inside of the sleeve 3 through the air inlet pipe 4, under the guide of the arc-shaped upturned air outlet of the air inlet pipe 4, the air flow passes through the lower flow blocking frame 9 and the upper flow blocking frame 8 in sequence, because the choke plate 10 is of a hemispherical structure, and the convex surface of the choke plate 10 is arranged upwards and the concave surface is arranged downwards, the choke area is greatly increased, thereby decelerating the large wind flow, the large wind flow passes through the vent hole 7 again after decelerating, thereby leading the large wind flow to be divided into a plurality of small wind flows, and the vent hole 7 is a conical structure with a large upper end and a small lower end, so that a small wind current can be decelerated again in the forming process (the speed of the same amount of fluid passing through the pipeline is in inverse proportion to the cross section area of the pipeline), the impact force of the wind current on the ventilation pipeline is reduced, and the aim of reducing the shower is fulfilled.
Step two: go up choked flow frame 8 and lower choked flow frame 9 and have the effect of buffering, the choking dish 10 also has the effect of blockking up to the gravel and sand in the wind current simultaneously, and when the wind current was through lower choked flow frame 9 and last choked flow frame 8, the wind speed descends, and partly gravel and sand can drop inside dust hopper 5 under self action of gravity, and dust hopper 5 upper end and sleeve pipe 3 lower extreme threaded connection can regularly pull down dust hopper 5 clearance collection dirt.
Step three: in long-time use, partial ventilation hole 7 can be blockked up by the gravel and sand in the wind current, influences amortization and wind current effect, and both ends are connected with play tuber pipe 2 and sleeve pipe 3 threaded connection respectively about amortization pipe 1, and rotatable amortization pipe 1 of pulling down is dredged ventilation hole 7, easy maintenance.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a rectangle air pipe's silencing device, includes hush pipe (1), goes out tuber pipe (2), sleeve pipe (3), air-supply line (4) and dust collection fill (5), its characterized in that: the silencer is characterized in that the silencer pipe (1), the sleeve (3) and the air outlet pipe (2) are vertically arranged, the air outlet pipe (2) is located at the upper end of the silencer pipe (1), the sleeve (3) is located at the lower end of the silencer pipe (1), the air inlet pipe (4) is horizontally arranged, the air inlet pipe (4) is embedded on the pipe wall on one side of the sleeve (3), the dust hopper (5) is located at the lower end of the sleeve (3), a silencing frame (6) is fixedly installed at the upper end inside the silencer pipe (1), the silencing frame (6) is horizontally arranged, a plurality of ventilation holes (7) are uniformly formed in the end face of the silencing frame (6), the ventilation holes (7) are of a conical structure with large upper end and small lower end, an upper flow blocking frame (8) and a lower flow blocking frame (9) are fixedly installed at the lower end inside the silencer pipe (1) respectively, and the upper flow blocking frame (8) and the, the upper spoiler frame (8) and the lower spoiler frame (9) are identical in structure, each of the upper spoiler frame (8) and the lower spoiler frame (9) consists of a spoiler (10) and a connecting frame (11), and the spoilers (10) are provided with a plurality of spoilers (10) which are fixedly connected through the connecting frames (11).
2. The silencing apparatus for a rectangular ventilation duct according to claim 1, wherein: the flow blocking disc (10) is of a hemispherical structure, the convex surface of the flow blocking disc (10) faces upwards, the concave surface faces downwards, and a rubber pad is arranged inside the concave surface of the flow blocking disc (10).
3. The silencing apparatus for a rectangular ventilation duct according to claim 1, wherein: the upper choked flow frame (8) is positioned right above the lower choked flow frame (9), and the choker discs (10) of the upper choked flow frame (8) and the lower choked flow frame (9) are arranged in a staggered and deviated mode.
4. The silencing apparatus for a rectangular ventilation duct according to claim 1, wherein: the air-conditioning dust collector is characterized in that the silencing pipe (1), the air outlet pipe (2), the sleeve (3) and the air inlet pipe (4) are all cylindrical structures, the dust hopper (5) is of a conical structure with a large upper end and a small lower end, the upper end and the lower end of the silencing pipe (1) are in threaded connection with the air outlet pipe (2) and the sleeve (3) respectively, and the upper end of the dust hopper (5) is in threaded connection with the lower end of the sleeve (3).
5. The silencing apparatus for a rectangular ventilation duct according to claim 1, wherein: one end of the air outlet of the air inlet pipe (4) is positioned inside the sleeve (3), and one end of the air outlet of the air inlet pipe (4) is of an upward-warped arc-shaped structure.
6. The silencing apparatus for a rectangular ventilation duct according to claim 1, wherein: the outer side of the upper end of the air outlet pipe (2) is provided with a first connecting flange (12) with a rectangular structure, and the outer side of one end of an air inlet of the air inlet pipe (4) is provided with a second connecting flange (13) with a rectangular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021484592.6U CN212691193U (en) | 2020-07-24 | 2020-07-24 | Silencing device of rectangular ventilating duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021484592.6U CN212691193U (en) | 2020-07-24 | 2020-07-24 | Silencing device of rectangular ventilating duct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212691193U true CN212691193U (en) | 2021-03-12 |
Family
ID=74899479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021484592.6U Expired - Fee Related CN212691193U (en) | 2020-07-24 | 2020-07-24 | Silencing device of rectangular ventilating duct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212691193U (en) |
-
2020
- 2020-07-24 CN CN202021484592.6U patent/CN212691193U/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 |
Granted publication date: 20210312 |