CN219976766U - Smoke discharging and air inlet device and gas water heating device - Google Patents
Smoke discharging and air inlet device and gas water heating device Download PDFInfo
- Publication number
- CN219976766U CN219976766U CN202320696570.3U CN202320696570U CN219976766U CN 219976766 U CN219976766 U CN 219976766U CN 202320696570 U CN202320696570 U CN 202320696570U CN 219976766 U CN219976766 U CN 219976766U
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- CN
- China
- Prior art keywords
- air inlet
- smoke exhaust
- air
- smoke
- door
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Links
- 239000000779 smoke Substances 0.000 title claims abstract description 145
- 238000007599 discharging Methods 0.000 title claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 8
- 238000010438 heat treatment Methods 0.000 title claims description 6
- 239000007789 gas Substances 0.000 description 8
- 239000003517 fume Substances 0.000 description 2
- 230000030279 gene silencing Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 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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- Ventilation (AREA)
Abstract
The smoke exhaust and air inlet device comprises a smoke exhaust inner pipe, a smoke exhaust air door, a smoke exhaust connecting device, an air inlet outer pipe, an air inlet door and an air inlet connecting device, wherein the smoke exhaust inner pipe is provided with a smoke exhaust port with a downward opening; the air inlet end of the air inlet outer pipe is closed and provided with an air inlet with a downward opening; the smoke exhaust inner pipe penetrates through the closed end of the air inlet outer pipe to extend out, a gap between the smoke exhaust inner pipe and the air inlet outer pipe forms an annular air inlet cavity, the smoke exhaust connecting device is connected with the smoke exhaust inner pipe and a smoke exhaust air door, and the smoke exhaust air door is movably matched with the smoke exhaust port; the air inlet connecting device is connected with the smoke discharging inner pipe and the air inlet air door, the air inlet air door is arranged in the air inlet outer pipe, and the air inlet air door is movably matched with the air inlet. The smoke outlet and the air inlet face the ground, so that rainwater is effectively prevented from entering; the annular smoke outlet is formed by the smoke exhaust air door and the smoke exhaust inner pipe at the smoke outlet and is not influenced by wind direction; the air inlet air door and the air inlet outer pipe at the air inlet form an annular air inlet, and are not influenced by wind direction. And in a stop working state, the backflow is prevented.
Description
Technical Field
The utility model relates to a gas water heater or a gas wall-mounted boiler.
Background
At present, the prior art, chinese patent 202121326763.7 discloses an air inlet unit and have its gas heater, and air inlet unit includes: a smoke exhaust pipe; the air inlet outer cover is sleeved on the outer surface of the smoke exhaust pipe, an annular air cavity is formed between the air inlet outer cover and the smoke exhaust pipe, and a plurality of air inlet parts are arranged on the side wall or the top of the air inlet outer cover; the inner cover is arranged in the annular air cavity, the annular air cavity is divided into an air inlet flow passage and an air outlet flow passage by the inner cover, the air inlet flow passage is communicated with the air inlet part, the air outlet flow passage is positioned below the air inlet flow passage or between the air inlet flow passage and the smoke exhaust pipe, a plurality of silencing holes are formed in the side wall of the inner cover, the air inlet flow passage is communicated with the air outlet flow passage through the silencing holes, and the air outlet flow passage is provided with the air outlet part. The problems are: wind flows backward, and when the wind is on top, the smoke is discharged smoothly.
Disclosure of Invention
The purpose of the utility model is that: the smoke exhaust air inlet device has the characteristics of backflow prevention and rainwater prevention.
The utility model is realized in the following way: the smoke exhaust and air intake device is characterized in that: it comprises a smoke discharging inner pipe, a smoke discharging air door, a smoke discharging connecting device, an air inlet outer pipe, an air inlet air door and an air inlet connecting device,
the air outlet end of the smoke exhaust inner pipe is closed and provided with a smoke exhaust port with a downward opening; the air inlet end of the air inlet outer pipe is closed and provided with an air inlet with a downward opening;
the smoke exhaust inner pipe penetrates through the closed end of the air inlet outer pipe to extend out, a gap between the smoke exhaust inner pipe and the air inlet outer pipe forms an annular air inlet cavity, the smoke exhaust connecting device is connected with the smoke exhaust inner pipe and a smoke exhaust air door, and the smoke exhaust air door is movably matched with the smoke exhaust port; the air inlet connecting device is connected with the smoke discharging inner pipe and the air inlet air door, the air inlet air door is arranged in the air inlet outer pipe, and the air inlet air door is movably matched with the air inlet.
The smoke exhaust and air inlet device is characterized in that: the smoke exhaust inner pipe is circular, the smoke exhaust port is arc-shaped, the smoke exhaust air door is arc-shaped,
the area of the smoke exhaust air door is larger than that of the smoke exhaust port; in the state of smoke exhaust, the smoke exhaust air door and the smoke exhaust inner tube form an annular smoke exhaust port.
The smoke exhaust and air inlet device is characterized in that: the smoke discharging connecting device comprises two tension springs, and the smoke discharging tension springs are connected with the inner wall of the smoke discharging inner pipe and the two ends of the smoke discharging air door.
The smoke exhaust and air inlet device is characterized in that: the air inlet outer tube is circular, the air inlet is circular arc-shaped, the air inlet air door is circular arc-shaped,
the area of the air inlet door is larger than that of the air inlet; in the working state, the air inlet air door and the air inlet outer pipe form an annular air inlet.
The smoke exhaust and air inlet device is characterized in that: the air inlet connecting device comprises two pressure springs, and the pressure springs are connected with the outer wall of the smoke discharging inner tube and the two ends of the air inlet door.
A gas water heater is composed of burner, heat exchanger, fume exhausting unit and fume exhausting and air inlet unit.
According to the smoke exhaust and air inlet device, the smoke exhaust port and the air inlet face the ground, so that rainwater is effectively prevented from entering; the annular smoke outlet is formed by the smoke exhaust air door and the smoke exhaust inner pipe at the smoke outlet and is not influenced by wind direction; the air inlet air door and the air inlet outer pipe at the air inlet form an annular air inlet, and are not influenced by wind direction. And in a stop working state, the backflow is prevented.
Drawings
Fig. 1 is a front view of the present utility model.
Fig. 2 is a front view of a second embodiment of the present utility model.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Example 1
As shown in fig. 1, a smoke exhaust and air intake device 1 comprises a smoke exhaust inner pipe 2, a smoke exhaust air door 3, a smoke exhaust connecting device 4, an air intake outer pipe 5, an air intake air door 6 and an air intake connecting device 7,
the air outlet end of the smoke discharging inner pipe 2 is closed and provided with a smoke discharging port 21 with a downward opening; the air inlet end of the air inlet outer pipe 5 is closed and provided with an air inlet 51 with a downward opening;
the smoke exhaust inner pipe 2 passes through the closed end of the air inlet outer pipe 5 to extend out, a gap between the smoke exhaust inner pipe 2 and the air inlet outer pipe 5 forms an annular air inlet cavity, the smoke exhaust connecting device 3 is connected with the inner wall of the smoke exhaust inner pipe 2 and the smoke exhaust air door 3, and the smoke exhaust air door 3 is movably matched with the smoke exhaust port 21; the air inlet connecting device 7 is connected with the outer wall of the smoke exhaust inner pipe and the air inlet air door 6, and the air inlet air door 6 is movably matched with the air inlet 61. When the smoke exhaust ventilator works, the smoke exhaust damper 3 leaves the smoke exhaust port 21 to exhaust smoke, and the air inlet damper 6 leaves the air inlet 61 to intake air; when the operation is stopped, the smoke exhaust air door 3 seals the smoke exhaust port 21, and the air inlet air door 6 seals the air inlet 61; when the gas water heating device is used, the gas water heating device is freely switched; since the smoke outlet 21 and the air inlet 51 are opened toward the ground, rainwater is effectively prevented.
As a further improvement of the utility model: the smoke exhaust inner pipe 2 is circular, the smoke exhaust port 21 is circular arc-shaped, the smoke exhaust air door 3 is circular arc-shaped,
the area of the smoke exhaust air door 3 is larger than that of the smoke exhaust port 21, and the smoke exhaust air door 3 is positioned outside the smoke exhaust inner pipe 2; in the state of smoke exhaust, the smoke exhaust air door 3 and the smoke exhaust inner pipe 2 form an annular smoke exhaust port. Is not influenced by wind direction; the smoke exhaust damper 3 and the smoke exhaust port 21 may be engaged;
the smoke discharging connecting device 4 comprises two tension springs, and the smoke discharging tension springs are connected with the inner wall of the smoke discharging inner tube 2 and the two ends of the smoke discharging air door 3. The tension springs can also be three.
As a further improvement of the utility model: the air inlet outer tube 5 is circular, the air inlet 51 is circular arc-shaped, the air inlet air door 6 is circular arc-shaped,
the area of the air inlet door 6 is larger than that of the air inlet 51; in the working state, the air inlet air door 6 and the air inlet outer tube 5 form an annular air inlet; the air inlet 51 faces the ground, is rain-proof, and is not affected by wind direction when air is fed; or the air inlet door 6 is embedded with the air inlet 51;
the air inlet connecting device 7 comprises two pressure springs, and the pressure springs are connected with the outer wall of the smoke discharging inner tube 2 and the two ends of the air inlet door 6.
Example 2
As shown in fig. 2, a gas water heating device comprises a burner 8, a heat exchanger 9, a smoke exhaust part 10, the smoke exhaust air inlet device 1 and a bottom shell 11;
the smoke exhaust part 10 is provided with a smoke exhaust pipe 101, the bottom shell 11 is provided with an air inlet port 111, and the smoke exhaust pipe 101 extends out of the air inlet port 111;
the smoke exhaust inner pipe 2 is inserted into the smoke exhaust pipe 101, and the air inlet interface 111 is inserted into the air inlet outer pipe 5.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (6)
1. A smoke exhaust and air intake device which is characterized in that: it comprises a smoke discharging inner pipe, a smoke discharging air door, a smoke discharging connecting device, an air inlet outer pipe, an air inlet air door and an air inlet connecting device,
the air outlet end of the smoke exhaust inner pipe is closed and provided with a smoke exhaust port with a downward opening; the air inlet end of the air inlet outer pipe is closed and provided with an air inlet with a downward opening;
the smoke exhaust inner pipe penetrates through the closed end of the air inlet outer pipe to extend out, a gap between the smoke exhaust inner pipe and the air inlet outer pipe forms an annular air inlet cavity, the smoke exhaust connecting device is connected with the smoke exhaust inner pipe and a smoke exhaust air door, and the smoke exhaust air door is movably matched with the smoke exhaust port; the air inlet connecting device is connected with the smoke discharging inner pipe and the air inlet air door, the air inlet air door is arranged in the air inlet outer pipe, and the air inlet air door is movably matched with the air inlet.
2. A smoke evacuation and air intake device according to claim 1, wherein: the smoke exhaust inner pipe is circular, the smoke exhaust port is arc-shaped, the smoke exhaust air door is arc-shaped,
the area of the smoke exhaust air door is larger than that of the smoke exhaust port; in the state of smoke exhaust, the smoke exhaust air door and the smoke exhaust inner tube form an annular smoke exhaust port.
3. A smoke evacuation and air intake device according to claim 1 or 2, wherein: the smoke discharging connecting device comprises two tension springs, and the smoke discharging tension springs are connected with the inner wall of the smoke discharging inner pipe and the two ends of the smoke discharging air door.
4. A smoke evacuation and air intake device according to claim 1, wherein: the air inlet outer tube is circular, the air inlet is circular arc-shaped, the air inlet air door is circular arc-shaped,
the area of the air inlet door is larger than that of the air inlet; in the working state, the air inlet air door and the air inlet outer pipe form an annular air inlet.
5. A smoke evacuation and air intake device according to claim 1 or 2, wherein: the air inlet connecting device comprises two pressure springs, and the pressure springs are connected with the outer wall of the smoke discharging inner tube and the two ends of the air inlet door.
6. A gas water heating device, characterized by comprising a burner, a heat exchanger, a smoke exhaust unit, and a smoke exhaust and air intake device according to any one of claims 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320696570.3U CN219976766U (en) | 2023-03-31 | 2023-03-31 | Smoke discharging and air inlet device and gas water heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320696570.3U CN219976766U (en) | 2023-03-31 | 2023-03-31 | Smoke discharging and air inlet device and gas water heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219976766U true CN219976766U (en) | 2023-11-07 |
Family
ID=88589108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320696570.3U Active CN219976766U (en) | 2023-03-31 | 2023-03-31 | Smoke discharging and air inlet device and gas water heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219976766U (en) |
-
2023
- 2023-03-31 CN CN202320696570.3U patent/CN219976766U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |