CN209876962U - Backflow-preventing exhaust device - Google Patents
Backflow-preventing exhaust device Download PDFInfo
- Publication number
- CN209876962U CN209876962U CN201920101012.1U CN201920101012U CN209876962U CN 209876962 U CN209876962 U CN 209876962U CN 201920101012 U CN201920101012 U CN 201920101012U CN 209876962 U CN209876962 U CN 209876962U
- Authority
- CN
- China
- Prior art keywords
- chimney
- thick bamboo
- exhaust device
- wind
- wind vane
- Prior art date
- 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
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- Chimneys And Flues (AREA)
Abstract
The utility model discloses a prevent flowing backward exhaust device, including the chimney, the outer wall at chimney top is equipped with the snap ring, snap ring and chimney fixed connection, and the top of chimney is connected with a protection section of thick bamboo, and a protection section of thick bamboo's bottom is connected with the go-between, and the go-between rotates with the snap ring to be connected, and the go-between welds with a protection section of thick bamboo, and a protection section of thick bamboo passes through the go-between to rotate with the chimney to be connected, fixedly connected with T shape support frame between the relative inner wall in chimney top, and the top of T shape support frame is connected with the bearing, the inner ring fixed connection of T shape: the air exhaust device can ensure that no matter which direction the wind goes, the flue pipe can not be filled, the top of the air exhaust device is provided with the wind vane, the tail part of the wind vane is gradually widened, the wind vane drives the exhaust hood to rotate under the blowing of the wind, the head part of the wind vane is always positioned at one end of the wind direction, and no matter what wind direction the cigarette ash can not be filled into the flue pipe.
Description
Technical Field
The utility model relates to an exhaust device, concretely relates to prevent flowing backward exhaust device belongs to ventilation equipment technical field.
Background
In some rural areas of China, the traditional cooking bench is still used by household kitchen fire, a chimney is arranged on the cooking bench for smoke discharge, the traditional chimney cannot completely prevent backflow no matter a top cover is added or a side smoke discharge method is adopted, and when strong wind is blown, the chimney can flow backward, so that dense smoke is filled in a kitchen, and a user cannot feel the situation.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is overcome prior art's defect, provide an exhaust device prevents flowing backward, can guarantee no matter wind from which direction, can not flow into the chimney, this exhaust device's top is equipped with the wind vane, and the afterbody of wind vane widens gradually, and under the blowing of wind, the wind vane drives the exhaust hood rotation, makes the head of wind vane be in the one end of wind direction all the time, guarantees no matter what wind direction, and cigarette ash can not flow backward into in the chimney.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model relates to a prevent flowing backward exhaust device, including the chimney, the outer wall at chimney top is equipped with the snap ring, snap ring and chimney fixed connection, the top of chimney is connected with a protection section of thick bamboo, a protection section of thick bamboo's bottom is connected with the go-between, the go-between rotates with the snap ring to be connected, go-between and protection section of thick bamboo welding, a protection section of thick bamboo passes through the go-between and rotates with the chimney to be connected, fixedly connected with T shape support frame between the relative inner wall in chimney top, the top of T shape support frame is connected with the bearing, the inner ring fixed connection of T shape support frame and bearing, the outer loop of bearing and the inner wall fixed connection of a protection section of thick bamboo, a protection section of thick bamboo passes through the bearing and rotates with T shape support frame.
As an optimal technical scheme of the utility model, the middle part of wind vane is equipped with the bolt, the wind vane passes through bolt and a protection section of thick bamboo fixed connection, the afterbody of wind vane widens gradually.
As an optimal technical scheme of the utility model, one side of a protection section of thick bamboo is equipped with the air outlet, the air outlet is in the same one side of a protection section of thick bamboo with the afterbody of wind vane.
As an optimized technical proposal of the utility model, the protective cylinder is made of ultra-thin stainless steel material.
As a preferred technical scheme of the utility model, the inside of go-between and snap ring all is equipped with the spout, two with the corresponding position of snap ring sliding connection has a plurality of balls between the spout.
The utility model discloses the beneficial effect who reaches is: the air exhaust device can ensure that no matter which direction the wind goes, the flue pipe can not be filled, the top of the air exhaust device is provided with the wind vane, the tail part of the wind vane is gradually widened, the wind vane drives the exhaust hood to rotate under the blowing of the wind, the head part of the wind vane is always positioned at one end of the wind direction, and no matter what wind direction the cigarette ash can not be filled into the flue pipe.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a perspective view of the protective sleeve;
FIG. 3 is a schematic view of the structure of a wind vane.
In the figure: 1. a chimney; 2. a snap ring; 3. a connecting ring; 4. a chute; 5. a ball bearing; 6. a protective cylinder; 7. a T-shaped support frame; 8. A bearing; 9. an air outlet; 10. a wind vane; 11. and (4) bolts.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Examples
As shown in fig. 1-3, an anti-backflow exhaust device comprises a chimney 1, a snap ring 2 is arranged on the outer wall of the top of the chimney 1, the snap ring 2 is fixedly connected with the chimney 1, a protective barrel 6 is connected above the chimney 1, a connecting ring 3 is connected to the bottom of the protective barrel 6, the connecting ring 3 is rotatably connected with the snap ring 2, the connecting ring 3 is welded with the protective barrel 6, the protective barrel 6 is rotatably connected with the chimney 1 through the connecting ring 3, a T-shaped support frame 7 is fixedly connected between the inner walls opposite to the top of the chimney 1, a bearing 8 is connected to the top of the T-shaped support frame 7, the T-shaped support frame 7 is fixedly connected with the inner ring of the bearing 8, the outer ring of the bearing 8 is fixedly connected with the inner wall of the protective barrel 6, the protective barrel 6 is rotatably connected with the.
The middle part of wind vane 10 is equipped with bolt 11, wind vane 10 passes through bolt 11 and protective barrel 6 fixed connection, the afterbody of wind vane 10 widens gradually, the wind blows on the afterbody of wind vane 10, make the arrow point of wind vane 10 face the wind all the time, one side of protective barrel 6 is equipped with air outlet 9, air outlet 9 is in the same one side of protective barrel 6 with the afterbody of wind vane 10, utilize the method of side position play cigarette, prevent to cook a meal in the cigarette backward flow goes into chimney 1, protective barrel 6 is made for ultra-thin stainless steel material, it is light, convenient rotation, rust-resistant fire prevention, go-between 3 and snap ring 2's the inside all is equipped with spout 4 with snap ring 2's the corresponding position, sliding connection has a plurality of balls 5 between two spout 4, reduce the frictional force of protective barrel 6 and snap ring 2 through rolling mode.
Specifically, the utility model discloses during the use, install this device on chimney 1, when windy, wind blows the afterbody of wind vane 10, great area of contact's afterbody is influenced by the wind and is in leeward all the time, protective barrel 6 passes through bearing 8 and ball 5 and rotates on chimney 1, air outlet 9 is in protective barrel 6's leeward department, guarantee no matter wind from which direction, can not irritate into the chimney in all, the afterbody of wind vane 10 widens gradually, under blowing of wind, wind vane 10 drives protective barrel 6 rotatoryly, make wind vane 10's head be in the one end of wind direction all the time, guarantee no matter what wind direction, cigarette ash can not flow backward in chimney 1.
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 modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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 (5)
1. The utility model provides an air exhaust device prevents flowing backward, its characterized in that, includes chimney (1), the outer wall at chimney (1) top is equipped with snap ring (2), snap ring (2) and chimney (1) fixed connection, the top of chimney (1) is connected with a protection section of thick bamboo (6), the bottom of a protection section of thick bamboo (6) is connected with go-between (3), go-between (3) rotate with snap ring (2) to be connected, go-between (3) and a protection section of thick bamboo (6) welding, a protection section of thick bamboo (6) rotate with chimney (1) through go-between (3) and be connected, fixedly connected with T shape support frame (7) between the relative inner wall in chimney (1) top, the top of T shape support frame (7) is connected with bearing (8), the inner ring fixed connection of T shape support frame (7) and bearing (8), the outer loop of bearing (8) and the inner wall fixed connection of a protection section of thick bamboo (6), the protective cylinder (6) is rotatably connected with the T-shaped support frame (7) through a bearing (8), and a wind vane (10) is arranged at the top of the protective cylinder (6).
2. The backflow-preventing air exhaust device according to claim 1, wherein a bolt (11) is arranged in the middle of the wind vane (10), the wind vane (10) is fixedly connected with the protective barrel (6) through the bolt (11), and the tail of the wind vane (10) is gradually widened.
3. An anti-backflow air exhaust device according to claim 1, characterized in that an air outlet (9) is arranged on one side of the protective cylinder (6), and the air outlet (9) and the tail of the wind vane (10) are arranged on the same side of the protective cylinder (6).
4. An anti-backflow air exhaust device according to claim 1, characterized in that the protective cylinder (6) is made of ultra-thin stainless steel material.
5. The backflow-preventing air exhaust device according to claim 1, wherein sliding grooves (4) are formed in the connecting ring (3) and the clamping ring (2) at positions corresponding to the clamping ring (2), and a plurality of balls (5) are connected between the two sliding grooves (4) in a sliding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920101012.1U CN209876962U (en) | 2019-01-17 | 2019-01-17 | Backflow-preventing exhaust device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920101012.1U CN209876962U (en) | 2019-01-17 | 2019-01-17 | Backflow-preventing exhaust device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209876962U true CN209876962U (en) | 2019-12-31 |
Family
ID=68951243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920101012.1U Expired - Fee Related CN209876962U (en) | 2019-01-17 | 2019-01-17 | Backflow-preventing exhaust device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209876962U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111706872A (en) * | 2020-07-01 | 2020-09-25 | 缪月华 | Water-soluble type environmental protection chimney based on atmospheric pressure |
-
2019
- 2019-01-17 CN CN201920101012.1U patent/CN209876962U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111706872A (en) * | 2020-07-01 | 2020-09-25 | 缪月华 | Water-soluble type environmental protection chimney based on atmospheric pressure |
| CN111706872B (en) * | 2020-07-01 | 2021-11-19 | 湖南捷瑞化工有限公司 | Water-soluble type environmental protection chimney based on atmospheric pressure |
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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: 20191231 Termination date: 20210117 |