CN208138204U - Four sides air inlet volute structure - Google Patents
Four sides air inlet volute structure Download PDFInfo
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- CN208138204U CN208138204U CN201820287281.7U CN201820287281U CN208138204U CN 208138204 U CN208138204 U CN 208138204U CN 201820287281 U CN201820287281 U CN 201820287281U CN 208138204 U CN208138204 U CN 208138204U
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- casing
- air inlet
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- volute structure
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Abstract
The utility model discloses a kind of four sides to enter the wind volute structure, including casing, and the casing is in scroll casing shape, and the casing includes symmetrical the first casing and the second casing, is connected at first casing and the second shell air outlet with installation base plate；The first casing left and right sides are respectively equipped with the first air inlet and third air inlet penetrated through each other, the second casing left and right sides are respectively equipped with the 4th air inlet and the second air inlet penetrated through each other, and the inside of first casing and the second casing is equipped with a round impeller；The circle impeller passes through the motor driven being arranged between the first casing and the second casing；Compared with prior art, volute structure is entered the wind using the four sides of the utility model, with the increasing of air-admitting surface, intake is also increased as, and the discharge rate also proud increase of gas is discharged, realizes the purpose of this utility model.
Description
Technical field
The utility model relates to range hood field more particularly to a kind of volute casing centrifugal blower fans.
Background technique
Volute casing centrifugal blower fan is to improve gas pressure by the mechanical energy of input and supply gas side by side the machinery of body, it is a kind of
Driven fluid machinery.Centrifugal blower be widely used in factory, mine, tunnel, cooling tower, vehicle, ship and building ventilation,
Dust discharge and cooling；The ventilation of boiler and industrial furnace and air inducing；Cooling in the apparatus of air conditioning and domestic electric appliance and logical
Wind；It the drying of cereal and selects and recommends；Inflation and propulsion of wind-tunnel wind regime and aircushion vehicle etc..At work, air-flow is by fan shaft for blower
It on the one hand rotates with impeller then under the driving of impeller to blade space is entered, on the other hand improves under the action of inertia
Energy leaves impeller along radial direction.But common spiral case blower only has 1 face to be equipped with air inlet or 2 faces equipped with air inlet
Mouthful, since air-admitting surface is too small, air-flow intake is insufficient, in turn results in air output deficiency, causes under increased costs and efficiency
Drop.
Utility model content
The purpose of this utility model is that in view of the problems of the existing technology, a kind of new technical solution is provided, existing
On the basis of having technology, original 1 or 2 air inlets are increased into 4 air inlets, by increasing the air inlet in the unit time
Amount, to achieve the purpose that improve air output.
A kind of four sides air inlet volute structure, including casing, which is characterized in that the casing is in scroll casing shape, the casing packet
Symmetrical the first casing and the second casing are included, is connected at first casing and the second shell air outlet with installation base plate；
The first casing left and right sides are respectively equipped with the first air inlet and third air inlet penetrated through each other, and second casing is left
Right two sides are respectively equipped with the 4th air inlet and the second air inlet penetrated through each other, the inside of first casing and the second casing
It is equipped with a round impeller；The circle impeller passes through the motor driven being arranged between the first casing and the second casing.
In one embodiment of the utility model, the motor is fixed on the first casing, the second machine by bolt assembly
On shell.
In one embodiment of the utility model, first casing and the second casing are equipped with openable lid
Body.
In one embodiment of the utility model, pass through welding manner at first casing, the second shell air outlet
It is connect with installation base plate, the installation base plate is oval, and there are two match with the first casing, the second shell air outlet for setting
The semicircle ventilation hole of conjunction.
Volute structure is entered the wind at the four sides of the utility model, and compared with prior art, the air inlet of original volute structure is increased
Adding to 4, when work, motor high-speed rotation, impeller synchronous rotary, air enters wheel space simultaneously from 4 air inlets,
Impeller generates centrifugal force when rotated and throws away air from impeller, and the gas being thrown out of encounters casing, makes the gas in casing
Kinetic energy increases.Casing is one spiral yarn shaped, and the flow section of air is gradually increased, and kinetic energy is converted into static energy, and goes out in blower
Reach maximum value at mouthful, gas is forced out the outlet of blower.When gas is forced out, impeller center partial pressure is reduced, air
It is persistently sucked from the air inlet of blower, therefore, impeller constantly rotates, and air does not stop in the duct under the action of blower
It moves and is finally discharged.It is clear that intake also increases as with the increasing of air-admitting surface, the discharge of gas is discharged
Also proud increase is measured, the purpose of this utility model is realized.
The characteristics of the utility model see this case illustrate as follows and the detailed description of specific embodiment and obtain more clear
The understanding of Chu.
Detailed description of the invention
Fig. 1 is the stereoscopic schematic diagram that volute structure is entered the wind at the utility model four sides.
Fig. 2 is the front view that volute structure is entered the wind at the utility model four sides.
Wherein, the first casing of 1-, the second casing of 2-, 3- motor, 4- installation base plate, 5- impeller, the first air inlet of 101-,
102- third air inlet, the second air inlet of 201-, the 4th air inlet of 202-.
Specific embodiment
In order to make the utility model technological means and embodiment it can be readily appreciated that combined with specific embodiments below further
Illustrate the utility model.
As shown in Figure 1 and Figure 2, the utility model discloses a kind of four sides to enter the wind volute structure, including casing, the casing
In scroll casing shape, the casing includes symmetrical the first casing 1 and the second casing 2, and first casing and the second casing go out
It is connected at air port with installation base plate 4；The first casing left and right sides are respectively equipped with 101 He of the first air inlet penetrated through each other
Third air inlet 102, the second casing left and right sides are respectively equipped with the 4th air inlet 202 and the second air inlet penetrated through each other
The inside of mouth 201, first casing and the second casing is equipped with a round impeller 5；The circle impeller is by setting the
Motor 3 between one casing and the second casing drives；Motor 3 between first casing 1 and the second casing 2, and with
The impeller 5 of two sides is connected, and air inlet is rounded, and outside has circular arc, has a diameter larger than the diameter of the impeller 5, and motor 3 rotates
Impeller 5 rotates synchronously, and air enters from the air inlet of two casing two sides simultaneously respectively.
The working principle of centrifugal blower is substantially identical as centrifugal water pump, when 3 impeller high speed rotation of motor, impeller
Gas between 5 blades obtains a centrifugal force, and throws away gas from the opening between blade.The gas being thrown out of is encountered
Casing increases the gas kinetic energy in casing.Casing is one spiral yarn shaped, and the flow section of air is gradually increased, kinetic energy conversion
At static energy, and reach maximum value at fan outlet, gas is forced out the outlet of blower.When gas is forced out, in impeller
Center portion partial pressure reduces, and gas is inhaled into from the air inlet of blower, and therefore, as long as motor 3 constantly rotates, outside air is in blower
Under the action of constantly will flow and be discharged in the duct.
In the present embodiment, the motor 3 is clipped in the middle by the first casing 1 and the second casing 2, and solid by bolt assembly
Fixed connection, can additionally increase other components and be auxiliarily fixed, and motor output shaft is connected with impeller shaft by shaft coupling,
Ensure that motor 3 rotates 5 synchronous rotary of impeller.
In order to casing internal maintenance, it is easy to clean, be equipped with openable lid on the first casing 1, the second casing 2,
Lid is closed up again after maintenance, cleaning and is fixed by bolt assembly, in order to reach better seal effect, is preferably increased
Encrypt seal.First casing 1, the second casing 2 are connect with the installation base plate 4 through but not limited to welding manner.Actually answering
In, in order to increase the firmness and physical life of volute structure, casing used, impeller 5, installation base plate 4, also include machine certainly
Cap body is made of steel.The installation base plate 4 is oval, middle part have there are two with the first casing, the second casing outlet air
The semicircle ventilation hole that mouth matches, periphery, which facilitates to install with other components with 6 small guide holes of circle, to be cooperated.
In the present embodiment, 3 high speed rotation of motor when work, also 5 synchronous rotary of impeller, in the effect of centrifugal force
Under, outside air constantly enters from 4 air inlets in a steady stream, is discharged after blower rotates from ventilation hole, through Experimental comparison, uses
The four sides air inlet volute structure of the utility model can increase by 33% air-admitting surface than the existing common volute structure of use,
The air output for improving 8%, realizes the purpose of this utility model.
Basic principles, main features, and advantages of the present invention has been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only the principles of the present invention, the utility model also has respectively on the premise of not departing from the spirit and scope of the utility model
Kind changes and improvements, these changes and improvements are both fallen in the range of claimed invention.The requires of the utility model
Protection scope defined by appended claims and its equivalent.
Claims (4)
1. volute structure, including casing are entered the wind in a kind of four sides, which is characterized in that the casing is in scroll casing shape, and the casing includes
Symmetrical the first casing and the second casing is connected at first casing and the second shell air outlet with installation base plate；Institute
It states the first casing left and right sides and is respectively equipped with the first air inlet and third air inlet penetrated through each other, described second casing or so
Two sides are respectively equipped with the 4th air inlet and the second air inlet penetrated through each other, and the inside of first casing and the second casing is equal
Equipped with a round impeller；The circle impeller passes through the motor driven being arranged between the first casing and the second casing.
2. volute structure is entered the wind at a kind of four sides according to claim 1, which is characterized in that the motor passes through bolt assembly
It is fixed on the first casing, on the second casing.
3. volute structure is entered the wind at a kind of four sides according to claim 1, which is characterized in that first casing and the second machine
Shell is equipped with openable lid.
4. volute structure is entered the wind at a kind of four sides according to claim 1, which is characterized in that first casing, the second machine
Connect with installation base plate at shell air outlet by welding manner, the installation base plate is oval, and with first there are two settings
The semicircle ventilation hole that casing, the second shell air outlet match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820287281.7U CN208138204U (en) | 2018-03-01 | 2018-03-01 | Four sides air inlet volute structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820287281.7U CN208138204U (en) | 2018-03-01 | 2018-03-01 | Four sides air inlet volute structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208138204U true CN208138204U (en) | 2018-11-23 |
Family
ID=64285229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820287281.7U Active CN208138204U (en) | 2018-03-01 | 2018-03-01 | Four sides air inlet volute structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208138204U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117006079A (en) * | 2023-10-08 | 2023-11-07 | 恒驰环保设备（南京）有限公司 | Energy-saving explosion-proof fan based on auxiliary air inlet mechanism |
-
2018
- 2018-03-01 CN CN201820287281.7U patent/CN208138204U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117006079A (en) * | 2023-10-08 | 2023-11-07 | 恒驰环保设备（南京）有限公司 | Energy-saving explosion-proof fan based on auxiliary air inlet mechanism |
| CN117006079B (en) * | 2023-10-08 | 2023-12-01 | 恒驰环保设备（南京）有限公司 | Energy-saving explosion-proof fan based on auxiliary air inlet mechanism |
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