CN206000750U - A kind of air inlet case apparatus of ventilation blower - Google Patents
A kind of air inlet case apparatus of ventilation blower Download PDFInfo
- Publication number
- CN206000750U CN206000750U CN201620729445.8U CN201620729445U CN206000750U CN 206000750 U CN206000750 U CN 206000750U CN 201620729445 U CN201620729445 U CN 201620729445U CN 206000750 U CN206000750 U CN 206000750U
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- CN
- China
- Prior art keywords
- side plate
- ventilation blower
- air inlet
- case apparatus
- plate
- 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.)
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Abstract
The utility model discloses a kind of air inlet case apparatus of ventilation blower, including：First side plate, the first side plate is combined by the first sector and the first isosceles trapezoid, the first fan-shaped top being located at the first side plate, and the first isosceles trapezoid is located at bottom, the first side plate and the horizontal plane of the first side plate；Outlet side, is opened on the first side plate, the axial direction of outlet side and plane-parallel, and outlet side is in order to connecting pipe；Second side plate, second side plate is combined by the second sector and the second isosceles trapezoid, the second fan-shaped top being located at the second side plate, and the second isosceles trapezoid is located at the bottom of the second side plate, second side plate tilts predetermined angle to the first side plate, and the second side plate top is less than the top of the first side plate；First coaming plate, encloses between the first side plate and the second side plate；Inlet end, is arranged on the first coaming plate, positioned at the bottom of the first side plate and the second side plate, inlet end is in order to connect ventilation blower.This utility model can make the gas density in air inlet case apparatus more uniform.
Description
Technical field
This utility model is related to field of ventilation equipment, the air inlet case apparatus of more particularly, to a kind of ventilation blower.
Background technology
Inlet box is an extremely important part of centrifugal fan, can change the flow direction of medium, meets many
Plant air inlet angle, the performance of centrifugal fan is had a major impact.But common inlet box air-flow in current collector entrance often
Interfere, influence each other, inlet air flow is unstable, lead to hydraulic performance decline, complete machine stability weakens, particularly with little airflow
Resistance is big.Meanwhile, existing inlet box and the pipe connecting structure of user are difficult installing/dismounting, inconvenience maintenance.
Utility model content
The problems referred to above existing for existing inlet box, now provide one kind to aim at and are applicable to little airflow minimizing gas
The air inlet case apparatus of the ventilation blower of stream drag losses.
Concrete technical scheme is as follows：
A kind of air inlet case apparatus of ventilation blower, including：
One first side plate, described first side plate is combined by one first sector and one first isosceles trapezoid, and described first
The fan-shaped top being located at described first side plate, described first isosceles trapezoid is located at the bottom of described first side plate, described first side
Plate and horizontal plane；
One outlet side, is opened on described first side plate, the axial direction of described outlet side and plane-parallel, described outlet side
In order to connecting pipe；
One second side plate, described second side plate is combined by one second sector and one second isosceles trapezoid, and described second
The fan-shaped top being located at described second side plate, described second isosceles trapezoid is located at the bottom of described second side plate, described second side
Plate tilts predetermined angle to described first side plate, and described second side plate top is less than the top of described first side plate；
One first coaming plate, encloses between described first side plate and described second side plate；
One inlet end, is arranged on described first coaming plate, positioned at the bottom of described first side plate and described second side plate, institute
State inlet end in order to connect ventilation blower.
Preferably, described outlet side includes：
One cover body restrained along outgassing direction, the expansion end of described cover body is connected with described first side plate.
Preferably, described outlet side also includes：
One circular flange, is arranged on the convergence end of described cover body, described circular flange is in order to connect described ventilation blower.
Preferably, described inlet end includes：
One square flange, in order to connect described pipeline.
Preferably, described first side plate outer surface is provided with reinforcement.
Preferably, described second side plate outer surface is provided with reinforcement.
Preferably, described first coaming plate is in three-stage, and described first coaming plate includes：One convergence cambered surface and two be symmetrical arranged
In described convergence cambered surface both sides the 3rd is trapezoidal.
The beneficial effect of technique scheme：
In the technical program, the first side plate, the second side plate and the first coaming plate enclose the convergence structure of formation, are applicable to little
Air-flow reduces the drag losses that air-flow is subject in the process of circulation, can more effectively guide inlet end to outlet side, be easy to gas
The circulation of body, makes the gas density in air inlet case apparatus more uniform.
Brief description
Fig. 1 is a kind of structural representation of embodiment of the air inlet case apparatus of ventilation blower described in the utility model；
Fig. 2 is the side view of Fig. 1；
Fig. 3 is the enlarged drawing of B in Fig. 2；
Fig. 4 is the rearview of Fig. 1；
Fig. 5 is the structural representation of the first coaming plate described in the utility model.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not making the premise of creative work
Lower obtained every other embodiment, broadly falls into the scope of this utility model protection.
It should be noted that in the case of not conflicting, the embodiment in this utility model and the feature in embodiment can
To be mutually combined.
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, but not as of the present utility model
Limit.
As Figure 1-5, the air inlet case apparatus of a kind of ventilation blower, including：
One first side plate 3, the first side plate 3 is combined by one first sector and one first isosceles trapezoid, the first fan-shaped position
In the top of the first side plate 3, the first isosceles trapezoid is located at bottom, the first side plate 3 and the horizontal plane of the first side plate 3；
One outlet side, is opened on the first side plate 3, the axial direction of outlet side and plane-parallel, and outlet side is in order to connecting tube
Road；
One second side plate 2, the second side plate 2 is combined by one second sector and one second isosceles trapezoid, the second fan-shaped position
In the top of the second side plate 2, the second isosceles trapezoid is located at the bottom of the second side plate 2, and the second side plate 2 tilts pre- to the first side plate 3
If angle, and the second side plate 2 top is less than the top of the first side plate 3；
One first coaming plate 6, encloses between the first side plate 3 and the second side plate 2, between the first coaming plate 6 and the second side plate 2
Angle t1 is 78 degree, and t2 is 102 degree（As shown in Figure 3）；
One inlet end, is arranged on the first coaming plate 6, positioned at the bottom of the first side plate 3 and the second side plate 2, inlet end in order to
Connect ventilation blower.
Further, the second side plate 2 is 78 degree to the predetermined angle that the first side plate 3 tilts.
In the present embodiment, the first side plate 3, the second side plate 2 and the first coaming plate 6 enclose the convergence structure of formation, applicable
Reduce, in little airflow, the drag losses that air-flow is subject in the process of circulation, inlet end more effectively can be guided to outlet side, just
In the circulation of gas, make the gas density in air inlet case apparatus more uniform.
In a preferred embodiment, outlet side includes：
One cover body 4 restrained along outgassing direction, the expansion end of cover body 4 is connected with the first side plate 3.The cover of cover body 4 and
Inclination angle t3 between side plate 3 is 98 degree（As shown in Figure 3）.
Further, cover body 4 is in the cone of convergence, and cover body 4 is located at the top of the first side plate 3, and the top of cover body 4 is embedded
On the first sector region of the first side plate 3, the bottom of cover body 4 is embedded in the upper area of the first isosceles trapezoid.
In the present embodiment, the air accumulation of output can be reduced the resistance being subject to during gas circulation by the cover body 4 of convergence.
In a preferred embodiment, outlet side also includes：
One circular flange 5, is arranged on the convergence end of cover body 4, circular flange 5 is in order to connect ventilation blower.
In the present embodiment, the outlet side of air inlet case apparatus is connected with centrifugal fan using circular flange 5, is easy to pacify
Dress, dismounting and later period maintenance.
In a preferred embodiment, inlet end includes：
One square flange 1, in order to connecting pipe.
In the present embodiment, it is easy to installation and the dismounting of air inlet case apparatus and pipeline using square flange 1.
In a preferred embodiment, the first side plate 3 outer surface is provided with reinforcement 13, and reinforcement 13 improves inlet box
The robustness of device.
In a preferred embodiment, the second side plate 2 outer surface is provided with reinforcement 13, and reinforcement 13 improves inlet box
The robustness of device.
In a preferred embodiment, the first coaming plate 6 is in three-stage, and the first coaming plate 6 includes：One convergence cambered surface 62 and two right
Claim to be arranged at the 3rd trapezoidal 61 of convergence cambered surface 62 both sides.
In the present embodiment, the structure of the first coaming plate 6 is that the first side plate 3 and the second side plate 2 can form receipts when enclosing
Hold back structure, to be suitable for little airflow, decrease the drag losses that air-flow is subject in the process of circulation, inlet end more effectively can be drawn
It is directed at outlet side, is easy to the circulation of gas, make the gas density in air inlet case apparatus more uniform.
The foregoing is only this utility model preferred embodiment, not thereby limit embodiment of the present utility model and
Protection domain, to those skilled in the art it should can appreciate that in all utilization this utility model description and diagram
Scheme obtained by holding done equivalent and obviously changing, all should be included in protection model of the present utility model
In enclosing.
Claims (7)
1. a kind of air inlet case apparatus of ventilation blower are it is characterised in that include：
One first side plate, described first side plate is combined by one first sector and one first isosceles trapezoid, and described first is fan-shaped
Positioned at the top of described first side plate, described first isosceles trapezoid is located at the bottom of described first side plate, described first side plate with
Horizontal plane；
One outlet side, is opened on described first side plate, the axial direction of described outlet side and plane-parallel, described outlet side in order to
Connecting pipe；
One second side plate, described second side plate is combined by one second sector and one second isosceles trapezoid, and described second is fan-shaped
Positioned at the top of described second side plate, described second isosceles trapezoid is located at the bottom of described second side plate, described second side plate to
Described first side plate tilts predetermined angle, and described second side plate top is less than the top of described first side plate；
One first coaming plate, encloses between described first side plate and described second side plate；
One inlet end, is arranged on described first coaming plate, positioned at the bottom of described first side plate and described second side plate, described enter
Gas end is in order to connect ventilation blower.
2. the air inlet case apparatus of ventilation blower as claimed in claim 1 are it is characterised in that described outlet side includes：
One cover body restrained along outgassing direction, the expansion end of described cover body is connected with described first side plate.
3. the air inlet case apparatus of ventilation blower as claimed in claim 2 are it is characterised in that described outlet side also includes：
One circular flange, is arranged on the convergence end of described cover body, described circular flange is in order to connect described ventilation blower.
4. the air inlet case apparatus of ventilation blower as claimed in claim 1 are it is characterised in that described inlet end includes：
One square flange, in order to connect described pipeline.
5. the air inlet case apparatus of ventilation blower as claimed in claim 1 are it is characterised in that described first side plate outer surface is arranged
There is reinforcement.
6. the air inlet case apparatus of ventilation blower as claimed in claim 1 are it is characterised in that described second side plate outer surface is arranged
There is reinforcement.
7. ventilation blower as claimed in claim 1 air inlet case apparatus it is characterised in that described first coaming plate be in three-stage, institute
State the first coaming plate to include：One convergence cambered surface and two are symmetricly set in the 3rd trapezoidal of described convergence cambered surface both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620729445.8U CN206000750U (en) | 2016-07-12 | 2016-07-12 | A kind of air inlet case apparatus of ventilation blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620729445.8U CN206000750U (en) | 2016-07-12 | 2016-07-12 | A kind of air inlet case apparatus of ventilation blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206000750U true CN206000750U (en) | 2017-03-08 |
Family
ID=58201853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620729445.8U Expired - Fee Related CN206000750U (en) | 2016-07-12 | 2016-07-12 | A kind of air inlet case apparatus of ventilation blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206000750U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015049A (en) * | 2016-07-12 | 2016-10-12 | 上海通用风机股份有限公司 | Air inlet box device of ventilator |
-
2016
- 2016-07-12 CN CN201620729445.8U patent/CN206000750U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015049A (en) * | 2016-07-12 | 2016-10-12 | 上海通用风机股份有限公司 | Air inlet box device of ventilator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170308 Termination date: 20170712 |