CN203783934U - Air volume adjusting mechanism - Google Patents
Air volume adjusting mechanism Download PDFInfo
- Publication number
- CN203783934U CN203783934U CN201420045618.5U CN201420045618U CN203783934U CN 203783934 U CN203783934 U CN 203783934U CN 201420045618 U CN201420045618 U CN 201420045618U CN 203783934 U CN203783934 U CN 203783934U
- Authority
- CN
- China
- Prior art keywords
- air
- induced draft
- draft fan
- intake grill
- wind
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses an air volume adjusting mechanism, which comprises an exhaust fan body provided with a side sealing cover, wherein an air inlet and an air inlet pipe connected with the air inlet are arranged on the side sealing cover; an air door adjusting sheet is arranged at the air inlet. The air volume adjusting mechanism is characterized in that an air supplement hole is further formed in the side sealing cover; when the air door adjusting sheet is positioned on an outermost side, the air supplement hole as well as an area between the air supplement hole and the air inlet are covered; the air door adjusting sheet is used for adjusting the areas of the air inlet and the air supplement hole by means of movement relative to the center of the air inlet; when the area of the air inlet decreases, the area of the corresponding air supplement hole increases; when the area of the air inlet increases, the area of the corresponding air supplement hole decreases, so that the total air volume of air flowing through the air outlet keeps constant, and the problem of damages to an exhaust fan due to overload in case of severe change of the air volume of an exhaust fan is solved. The utility model further discloses the exhaust fan and an organic matter degradation machine applying the air volume adjusting mechanism.
Description
Technical field
The utility model relates to induced draft fan technical field, is specifically related to a kind of induced draft fan volume adjusting apparatus.
Background technique
Induced draft fan of the prior art, during damper adjustment sheet, when air door adjustment sheet moves to center, the gas flow in induced draft fan suction body reduces, and easily causes motor overload, damages induced draft fan.
Summary of the invention
The utility model is intended to address the above problem to a certain extent, and a kind of coml application is at least provided.
For this reason, the first goal of the invention of the present utility model is to provide a kind of induced draft fan volume adjusting apparatus.
The second goal of the invention of the present utility model is to provide a kind of induced draft fan.
The 3rd goal of the invention of the present utility model is to provide a kind of organic matter degradation machine.
For realizing the utility model the first goal of the invention, the utility model provides following technological scheme, a kind of induced draft fan volume adjusting apparatus, comprise the induced draft fan body that is provided with side seal lid, side seal covers and is provided with intake grill, air intake pipe is connected with intake grill, on described intake grill, be provided with for regulating the air door adjustment sheet of intake grill size, described side seal covers to be positioned on air door adjustment sheet movement direction and is provided with wind-supplying mouth, described air door adjustment sheet can cover the region between wind-supplying mouth and wind-supplying mouth and intake grill when outermost, described air door adjustment sheet covers the region between wind-supplying mouth and wind-supplying mouth and intake grill when outermost, described air door adjustment sheet is relative to the size that moves to regulate intake grill and wind-supplying mouth area at intake grill center, when the area reducing of intake grill, the area of corresponding wind-supplying mouth can expand, the area reducing of corresponding wind-supplying mouth when the enlarged areas of intake grill, the total tolerance through exhaust outlet will remain unchanged like this, avoids the air quantity acute variation because of suction, causes overload, damages induced draft fan.
Particularly, between described intake grill and wind-supplying mouth, be provided with intermediate portion, be provided with adjusting screw on intermediate portion, on described air door adjustment sheet, be provided with sliding-groove, described sliding-groove is set in adjusting screw.
The another kind of mode of execution of the utility model, described side seal lid is provided with sliding-groove, and described air door adjustment sheet is arranged in sliding-groove.
For realizing the utility model the second goal of the invention, the present invention adopts following technological scheme, the induced draft fan of the above-mentioned arbitrary described induced draft fan volume adjusting apparatus of a kind of induced draft fan application.
For realizing the utility model the 3rd goal of the invention, the present invention adopts following technological scheme, and a kind of organic matter degradation machine, is characterized in that, comprises mechanism of degradation body, foregoing induced draft fan, and the air intake pipe of described induced draft fan is connected with mechanism of degradation body.
The beneficial effects of the utility model are, can cover the air door adjustment sheet of wind-supplying mouth and zone line by a size is set, and when damper adjustment sheet, can not change the size of air output, can not cause blower fan overload.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model induced draft fan side shrouding.
Fig. 2 is the utility model side shrouding schematic diagram when air door adjustment sheet is not set.
Fig. 3 is that the utility model damper adjustment sheet is in outermost phase diagram.
Fig. 4 is that the utility model damper adjustment sheet is in intake grill state.
Embodiment
Below with reference to accompanying drawing, embodiment of the present utility model and embodiment are described in detail, described specific embodiment only, in order to explain the utility model, is not intended to limit embodiment of the present utility model.
Embodiment 1
As shown in Figure 1-2, induced draft fan volume adjusting apparatus described in the utility model, comprise the induced draft fan body (not shown in FIG.) that is provided with side seal lid 1, on side seal lid 1, be provided with intake grill 21, air intake pipe 2 is connected with intake grill 21, air outlet tube 3 is connected with induced draft fan body, on described intake grill 21, be provided with air door adjustment sheet 4, on side seal lid 1, offer wind-supplying mouth 22, wind-supplying mouth 22 is positioned on air door adjustment sheet 4 movement directions, and the area of described air door adjustment sheet 4 can cover the region between wind-supplying mouth 22 and wind-supplying mouth and intake grill.Under normal operation, air door adjustment sheet 4 covers on wind-supplying mouth 22 and zone line, as shown in Figure 3; When air door adjustment sheet 4 moves to intake grill 21 centers, the area of intake grill 21 diminishes, and enters the intrinsic air quantity of induced draft fan and reduces, now by air intake pipe 2, movement due to air door adjustment sheet 4, the area of wind-supplying mouth 22 expands accordingly, and as shown in Figure 4, the total amount of the gas in suction induced draft fan is constant, total tolerance through exhaust outlet remains unchanged like this, avoid because of take out as air quantity acute variation, cause overload, damage induced draft fan.
In an embodiment, between described intake grill 21 and wind-supplying mouth 22, be provided with intermediate portion 23, on intermediate portion 23, be provided with adjusting screw 41, on described air door adjustment sheet 4, be provided with sliding-groove 42, described sliding-groove 42 is set in adjusting screw 41, while needing damper adjustment sheet 4, only need unscrew adjusting screw 41 stirs air door adjustment sheet 4.
In another embodiment, described side seal lid is provided with sliding-groove, and described air door adjustment sheet 4 is arranged in sliding-groove, not shown in FIG..
Embodiment's 2 Application Examples
An organic matter degradation machine, comprises mechanism of degradation body and above-mentioned induced draft fan, and the air intake pipe of described induced draft fan is connected with mechanism of degradation body.
Obviously, above-described embodiment of the present utility model is only for the utility model example is clearly described, and is not the restriction to mode of execution of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all mode of executions.All any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in the protection domain of the utility model claim.
Claims (5)
1. an induced draft fan volume adjusting apparatus, comprises the induced draft fan body that is provided with side seal lid, and side seal covers the air intake pipe that is provided with intake grill and is connected with intake grill, is provided with for regulating the air door adjustment sheet of intake grill size on described intake grill, it is characterized in that:
(a) described side seal covers to be positioned on air door adjustment sheet movement direction and is provided with wind-supplying mouth;
(b) described air door adjustment sheet covers the region between wind-supplying mouth and wind-supplying mouth and intake grill when outermost, described air door adjustment sheet is relative to the size that moves to regulate intake grill and wind-supplying mouth area at intake grill center, and when the area reducing of intake grill, the area of corresponding wind-supplying mouth can expand; The area reducing of corresponding wind-supplying mouth when the enlarged areas of intake grill, the total tolerance through exhaust outlet will remain unchanged like this.
2. induced draft fan volume adjusting apparatus according to claim 1, it is characterized in that: between described intake grill and wind-supplying mouth, be provided with intermediate portion, on intermediate portion, be provided with adjusting screw, on described air door adjustment sheet, be provided with sliding-groove, described sliding-groove is set in adjusting screw.
3. induced draft fan volume adjusting apparatus according to claim 1, is characterized in that: described side seal lid is provided with sliding-groove, and described air door adjustment sheet is arranged in sliding-groove.
4. an induced draft fan application rights requires the induced draft fan of the arbitrary described induced draft fan volume adjusting apparatus of 1-3.
5. an organic matter degradation machine, is characterized in that: comprise mechanism of degradation body, and induced draft fan as claimed in claim 4, the air intake pipe of described induced draft fan is connected with mechanism of degradation body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420045618.5U CN203783934U (en) | 2014-01-24 | 2014-01-24 | Air volume adjusting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420045618.5U CN203783934U (en) | 2014-01-24 | 2014-01-24 | Air volume adjusting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203783934U true CN203783934U (en) | 2014-08-20 |
Family
ID=51320126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420045618.5U Withdrawn - After Issue CN203783934U (en) | 2014-01-24 | 2014-01-24 | Air volume adjusting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203783934U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103775368A (en) * | 2014-01-24 | 2014-05-07 | 云浮市益康生环保科技有限公司 | Air volume regulation mechanism |
| CN105201910A (en) * | 2015-10-12 | 2015-12-30 | 无锡市惠山合力传热设备厂 | Draught fan capable of achieving air intake adjustment |
| CN106710657A (en) * | 2015-07-30 | 2017-05-24 | 苏州热工研究院有限公司 | Air suction port device with air flow adjustment function and nuclear waste gas treatment system |
| CN112728773A (en) * | 2020-12-31 | 2021-04-30 | 广东超人节能厨卫电器有限公司 | Fan subassembly and water heater |
-
2014
- 2014-01-24 CN CN201420045618.5U patent/CN203783934U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103775368A (en) * | 2014-01-24 | 2014-05-07 | 云浮市益康生环保科技有限公司 | Air volume regulation mechanism |
| CN106710657A (en) * | 2015-07-30 | 2017-05-24 | 苏州热工研究院有限公司 | Air suction port device with air flow adjustment function and nuclear waste gas treatment system |
| CN105201910A (en) * | 2015-10-12 | 2015-12-30 | 无锡市惠山合力传热设备厂 | Draught fan capable of achieving air intake adjustment |
| CN112728773A (en) * | 2020-12-31 | 2021-04-30 | 广东超人节能厨卫电器有限公司 | Fan subassembly and water heater |
| CN112728773B (en) * | 2020-12-31 | 2022-05-06 | 广东超人节能厨卫电器有限公司 | Fan subassembly and water heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140820 Effective date of abandoning: 20151209 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |