CN209763183U - Prevent water conservancy diversion subassembly of down-draught - Google Patents
Prevent water conservancy diversion subassembly of down-draught Download PDFInfo
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- CN209763183U CN209763183U CN201920017329.7U CN201920017329U CN209763183U CN 209763183 U CN209763183 U CN 209763183U CN 201920017329 U CN201920017329 U CN 201920017329U CN 209763183 U CN209763183 U CN 209763183U
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Abstract
The utility model discloses a prevent water conservancy diversion subassembly of down-draught, include: the air conditioner comprises a mounting plate, wherein a flow guide pipeline is arranged on the mounting plate, and an air inlet and an air outlet are respectively arranged at two ends of the flow guide pipeline; the cover plate is pivoted on the mounting plate, a pivoting shaft of the cover plate is positioned above the air outlet, a positioning groove matched with the edge of the air outlet is formed in the inner wall surface of the cover plate, and the positioning groove can be attached to the edge of the air outlet under the self weight of the cover plate; the water conservancy diversion subassembly of above structure is through can leaning on the apron at air outlet department under the dead weight to cooperate through the edge of the constant head tank on the apron and air outlet, thereby reach good leakproofness, can avoid being located the outside air current of apron and open the apron, and then avoid oil smoke or waste gas refluence, the pin joint axle of apron is located the top of air outlet, the air current is great to the moment of apron, the normal work and the stability of water conservancy diversion subassembly have been guaranteed, the trouble probability has greatly been reduced.
Description
Technical Field
The utility model relates to a guiding device of gas equipment, especially a prevent water conservancy diversion subassembly of down-draught.
background
Among the prior art, the oil smoke that gas equipment produced after the burning or waste gas outwards discharge through water conservancy diversion subassembly under the effect of fan, for preventing oil smoke and waste gas refluence influence gas equipment's work, current guiding device's structure generally includes a pipe elbow, the air outlet department of pipe elbow has two semicircular separation blades through two pivot pin joints, the internal surface of pipe elbow is provided with the pad portion that is located the lower extreme of two semicircular separation blades, two separation blades are opened to the middle part of air outlet under the effect of air current, when the fan stop work, two separation blades support under the effect of dead weight and lean on the pad portion.
However, a larger gap exists between the two pivoting shafts of the flow guiding device with the structure, the sealing performance is poor, and oil smoke or waste gas can easily flow backwards; the pivoting shaft of the baffle is positioned in the middle of the air outlet, the moment of airflow to the baffle is small, and when more oil stains are accumulated at the pivoting shaft, the baffle is easy to block, so that the service life of the flow guide device is shortened; secondly, when the guiding device receives the effect of outside air current, open from the outside easily to lead to oil smoke or waste gas refluence.
Disclosure of Invention
In order to solve the problem, the utility model aims to provide a better, the job stabilization's of leakproofness prevent water conservancy diversion subassembly of down-draught.
The utility model discloses a solve its technical problem and the technical scheme who adopts is:
A down draft resistant flow guide assembly comprising: the air conditioner comprises a mounting plate, wherein a flow guide pipeline is arranged on the mounting plate, and an air inlet and an air outlet are respectively arranged at two ends of the flow guide pipeline; the cover plate is pivoted on the mounting plate, the pivoting shaft of the cover plate is positioned above the air outlet, the inner wall surface of the cover plate is provided with a positioning groove matched with the edge of the air outlet, and the positioning groove can be attached to the edge of the air outlet under the self weight of the cover plate.
The end face of the air outlet is circular, the positioning groove is an annular groove formed in the inner wall face of the cover plate, the annular groove is matched with the end face of the air outlet, and the cover plate is provided with an arched arc face protruding out of the annular groove.
The annular groove and the arched arc surface are both formed by punching the cover plate.
The mounting plate is provided with a flow guide cover positioned outside the air outlet, and the flow guide cover is provided with a flow guide inclined plane for guiding the air flow to move upwards in an inclined mode.
And the air guide sleeve is provided with a limiting part for limiting the upward turning angle of the cover plate.
the kuppe includes the ascending cover body of opening that one end and mounting panel linked firmly, and the other end of this cover body is connected with the hang plate that leans out from bottom to top, the water conservancy diversion inclined plane sets up on the internal surface of hang plate.
The outer surface of the cover body is a semi-cylindrical surface.
A gap allowing liquid to be discharged is formed between the lower end edge of the inclined plate and the cover body.
The middle part of mounting panel has an opening, and the opening of mounting panel is along the air outlet direction is outwards bent and is formed a circular turn-ups, installs a flange on the terminal surface of mounting panel on the side that deviates from the air outlet, and this circular turn-ups and flange constitute jointly the water conservancy diversion pipeline.
And a sealing gasket is arranged between the flange and the mounting plate.
The utility model has the advantages that: the water conservancy diversion subassembly of above structure is through can leaning on the apron at air outlet department under the dead weight, and cooperate through the edge of the constant head tank on the apron and air outlet, thereby reach good leakproofness, can avoid being located the outside air current of apron and open the apron, and then avoid oil smoke or waste gas refluence, the pin joint axle of apron is located the top of air outlet, the moment of discharge gas is great to the apron in the follow water conservancy diversion pipeline, the normal work and the stability of water conservancy diversion subassembly have been guaranteed, this water conservancy diversion subassembly has one-way ventilation function, can be long-term, stably trouble-free work.
Drawings
fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic cross-sectional view of the side of FIG. 1;
FIG. 3 is a partial enlarged view of portion A of FIG. 2;
Fig. 4 is a schematic structural view of the cover plate in fig. 1 when the air outlet is opened.
Detailed Description
the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments, but the following description of the embodiments is illustrative and not intended to limit the present invention.
Referring to fig. 1 to 4, a down-draft prevention guide assembly includes: the air conditioner comprises a mounting plate 1, wherein a flow guide pipeline 2 is arranged on the mounting plate 1, and an air inlet 21 and an air outlet 22 are respectively arranged at two ends of the flow guide pipeline 2; the cover plate 3 is pivoted on the mounting plate 1, a pivoting shaft of the cover plate is positioned above the air outlet 22, a positioning groove 31 matched with the edge of the air outlet 22 is formed in the inner wall surface of the cover plate 3, and the positioning groove 31 can be attached to the edge of the air outlet 22 under the self weight of the cover plate 3. The water conservancy diversion subassembly of above structure is through can leaning on apron 3 at air outlet 22 department under the dead weight, and cooperate through the edge of the constant head tank 31 on the apron 3 and air outlet, thereby reach good leakproofness, can avoid being located 3 outside air currents of apron and open apron 3, and then avoid oil smoke or waste gas refluence, the pin joint axle of apron 3 is located the top of air outlet, the discharge gas is great to apron 3's moment, the normal work and the stability of water conservancy diversion subassembly have been guaranteed, greatly reduced the trouble probability.
As the preferred embodiment of the present invention, the end face of the air outlet 22 is circular, the positioning groove 31 is an annular groove formed on the inner wall surface of the cover plate 3, the annular groove is matched with the end face of the air outlet 22, and the cover plate 3 has an arc-shaped arc surface 32 protruding outward from the annular groove. Referring to fig. 2 and 3, the center of gravity of the cover plate with the above structure is located outside the annular groove, and therefore the moment of the center of gravity of the cover plate relative to the pivot shaft drives the cover plate to move towards the air outlet, so that the annular groove is attached to the edge of the end face of the air outlet, and the air outlet is closed. The horizontal offset of more than 3 mm is arranged between the axis of the pivot shaft of the cover plate 3 and the sealing surface of the cover plate 3, so that the cover plate 3 can abut against the end surface of the air outlet under the condition of self weight.
Preferably, the annular groove and the arc surface 32 are formed by punching the cover plate 3, so that the cover plate 3 is simpler in production mode and lower in production cost.
Preferably, a diversion cover 4 located outside the air outlet 22 is further disposed on the mounting plate 1, and the diversion cover 4 has a diversion inclined surface 421 for guiding the air flow to move obliquely upwards.
Be equipped with the spacing portion 7 that is used for restricting the angle of apron 3 upset upwards on kuppe 4 to the angle that prevents the apron 3 upset is too big and upwards overturns to the focus of apron 3 and is located the right side of its pin joint axle (the one side that is close to the air intake), leads to the apron can't reset to the state of closed air outlet under the condition of dead weight.
The air guide sleeve 4 comprises a cover body 41 with one end fixedly connected with the mounting plate 1 and an upward opening, the other end of the cover body 41 is connected with an inclined plate 42 which inclines outwards from bottom to top, and the air guide inclined surface 421 is arranged on the inner surface of the inclined plate 42.
In the case of a large gas appliance, a plurality of flow guide assemblies are generally disposed thereon, and are arranged at intervals in the vertical direction, and preferably, the outer surface of the cover 41 has a semi-cylindrical surface. The airflow discharged by the other flow guiding assembly located below the flow guiding assembly can be discharged upwards along the outer surface of the semi-cylindrical surface of the cover body 41, so that a certain flow guiding effect is achieved, and the backflow of oil smoke caused by the airflow below the flow guiding assembly is prevented.
a gap allowing liquid to be discharged is provided between the lower end edge of the inclined plate 42 and the cover 41.
The middle part of mounting panel 1 has an opening, and the opening of mounting panel 1 is along the outside bending of air outlet 22 direction forms a circular turn-ups 11, installs a flange 5 on the terminal surface of mounting panel 1 deviating from air outlet 22 one side, and this circular turn-ups 11 constitutes jointly with flange 5 water conservancy diversion pipeline 2.
A sealing washer is further arranged between the flange and the mounting plate 1, and the sealing washer can prevent fluid such as oil smoke from seeping out from a gap between the flange 5 and the mounting plate 1.
The above description is only the preferred embodiment of the present invention, and is not limited to the above specific embodiment, as long as the technical solution of the purpose of the present invention is realized by the substantially same means, all belong to the protection scope of the present invention.
Claims (10)
1. A down draft resistant flow guide assembly comprising:
the air conditioner comprises a mounting plate, wherein a flow guide pipeline is arranged on the mounting plate, and an air inlet and an air outlet are respectively arranged at two ends of the flow guide pipeline;
it is characterized in that the preparation method is characterized in that,
The cover plate is pivoted on the mounting plate, the pivoting shaft of the cover plate is positioned above the air outlet, the inner wall surface of the cover plate is provided with a positioning groove matched with the edge of the air outlet, and the positioning groove can be attached to the edge of the air outlet under the self weight of the cover plate.
2. the anti-downdraft diversion assembly of claim 1, wherein:
The end face of the air outlet is circular, the positioning groove is an annular groove formed in the inner wall face of the cover plate, the annular groove is matched with the end face of the air outlet, and the cover plate is provided with an arched arc face protruding out of the annular groove.
3. The anti-downdraft diversion assembly of claim 2, wherein:
The annular groove and the arched arc surface are both formed by punching the cover plate.
4. The anti-downdraft diversion assembly of claim 1, wherein:
The mounting plate is provided with a flow guide cover positioned outside the air outlet, and the flow guide cover is provided with a flow guide inclined plane for guiding the air flow to move upwards in an inclined mode.
5. the anti-downdraft diversion assembly of claim 4, wherein:
And the air guide sleeve is provided with a limiting part for limiting the upward turning angle of the cover plate.
6. The anti-downdraft diversion assembly of claim 4, wherein:
the kuppe includes the ascending cover body of opening that one end and mounting panel linked firmly, and the other end of this cover body is connected with the hang plate that leans out from bottom to top, the water conservancy diversion inclined plane sets up on the internal surface of hang plate.
7. The anti-downdraft diversion assembly of claim 6, wherein:
The outer surface of the cover body is a semi-cylindrical surface.
8. The anti-downdraft diversion assembly of claim 6, wherein:
A gap allowing liquid to be discharged is formed between the lower end edge of the inclined plate and the cover body.
9. The anti-downdraft diversion assembly of claim 1, wherein:
The middle part of mounting panel has an opening, and the opening of mounting panel is along the air outlet direction is outwards bent and is formed a circular turn-ups, installs a flange on the terminal surface of mounting panel on the side that deviates from the air outlet, and this circular turn-ups and flange constitute jointly the water conservancy diversion pipeline.
10. the anti-downdraft diversion assembly of claim 9, wherein:
And a sealing gasket is arranged between the flange and the mounting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920017329.7U CN209763183U (en) | 2019-01-03 | 2019-01-03 | Prevent water conservancy diversion subassembly of down-draught |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920017329.7U CN209763183U (en) | 2019-01-03 | 2019-01-03 | Prevent water conservancy diversion subassembly of down-draught |
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| Publication Number | Publication Date |
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| CN209763183U true CN209763183U (en) | 2019-12-10 |
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| CN201920017329.7U Active CN209763183U (en) | 2019-01-03 | 2019-01-03 | Prevent water conservancy diversion subassembly of down-draught |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112987458A (en) * | 2021-03-01 | 2021-06-18 | 中冶宝钢技术服务有限公司 | Protection device for be used for industry camera under high temperature negative pressure environment |
-
2019
- 2019-01-03 CN CN201920017329.7U patent/CN209763183U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112987458A (en) * | 2021-03-01 | 2021-06-18 | 中冶宝钢技术服务有限公司 | Protection device for be used for industry camera under high temperature negative pressure environment |
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