CN206972614U - Centrifugal blower volute - Google Patents
Centrifugal blower volute Download PDFInfo
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- CN206972614U CN206972614U CN201720480592.0U CN201720480592U CN206972614U CN 206972614 U CN206972614 U CN 206972614U CN 201720480592 U CN201720480592 U CN 201720480592U CN 206972614 U CN206972614 U CN 206972614U
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- spiral case
- air inlet
- wind wheel
- centrifugal blower
- guiding rib
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Abstract
A kind of centrifugal blower volute, including spiral case；Wind wheel is provided with the spiral case；Described wind wheel and motor connection, it is characterised in that：The one or both sides of the spiral case are provided with the spiral case lid matched with spiral case；Described spiral case or spiral case, which covers, offers air inlet, and guiding rib is provided with air inlet.The utility model can be used on the products such as air-conditioning, lampblack absorber, clarifier, and spiral case can be single admission or both sides air intake；There is rounding in the air inlet surrounding of spiral case, it is evenly arranged simultaneously on rounding curved surface and is advantageous to guiding rib of the air according to centrifugal wind wheel rotation direction, and the pivot of all guiding ribs just pivot overlapping of axles with centrifugal wind wheel, so as to ensure that it is more smooth smooth that air enters air inlet.
Description
Technical field
A kind of spiral case is the utility model is related to, specifically a kind of centrifugal blower volute, belongs to centrifugal blower technical field.
Background technology
Centrifugal blower is when being rotated at a high speed by motor driven centrifugal wind wheel, and the air in spiral case is under the influence of centrifugal force
Be thrown out of at spiral case air outlet, while centrifugal wind wheel surrounding is thrown out of generation negative pressure because of air so that extraneous air from
Spiral case air inlet is inhaled into spiral case, and a kind of wind pushing mechanism of continual this process of repetition；Influence the wind of centrifugal wind wheel
Amount and the factor of noise are a lot, such as the cooperation of rotor diameter and spiral case size, the depth of snail tongue, the size of spiral case air outlet and
Direction etc..Everybody research for centrifugal blower is concentrated mainly on above several respects at present, in addition, an also factor for
The air quantity and noise of centrifugal wind wheel also function to very big effect, that is, how so that air more smoothly passes over spiral case air intake
Mouth enters blower interior.The utility model centrifugal blower volute is exactly to be studied accordingly for this point.
Therefore, prior art is further improved.
Utility model content
The utility model aim to provide it is a kind of simple and reasonable, it is easy to use, improve air intake efficiency, reduce into windage
Power, under the requirement of equal air quantity, the rotating speed of motor can be reduced, so as to effectively reduce the centrifugal blower volute of noise, to overcome
Deficiency of the prior art.
To achieve the above object, the utility model provides a kind of centrifugal blower volute, including spiral case；Set in the spiral case
There is wind wheel；Described wind wheel and motor connection, it is characterised in that：The one or both sides of the spiral case are provided with what is matched with spiral case
Spiral case lid；Described spiral case or spiral case, which covers, offers air inlet, and guiding rib is provided with air inlet.
Described spiral case lid is fastenedly connected with spiral case；Described motor is located on the outside of spiral case；Described wind wheel is located at spiral case
In the accommodating cavity body of spiral case lid composition.
Described spiral case is divided into left spiral case and right spiral case；Air inlet is offered respectively on described left spiral case and right spiral case；
Described left spiral case is fastenedly connected with right spiral case；Described motor is located on the outside of left spiral case or right spiral case；Described wind wheel is located at
In the accommodating cavity body of left spiral case and right spiral case composition.
The medial surface of the air inlet is rounding curved surface；Described some guiding ribs are around the inner side for being arranged at air inlet
On face；The nearly motor side of described spiral case is provided with wiring hole；Described motor is connected by wiring hole with wind wheel, or, directly
The air inlet connected on left/right spiral case is connected with wind wheel.
The domed wall shape of described guiding rib；Described guiding rib side is the curved surface to cave inward, and opposite side is convex
The curved surface risen；Described guiding rib is uniformly distributed on the inside of air inlet.
The rectangular wall shape of described guiding rib；Described guiding rib side is the curved surface to cave inward, and opposite side is convex
The curved surface risen；Described guiding rib is uniformly distributed on the inside of air inlet.
The center of described air inlet and the center of wind wheel are on same level axle；Described surround is distributed in air inlet
The center of some guiding ribs and the pivot of wind wheel are on same level axle.
The utility model centrifugal blower volute in air inlet by increasing guiding rib, so as to be advantageous to the smooth of air intake
Degree, reduce the resistance that air enters blower fan, improve the efficiency of air intake, so as to which under the requirement of equal air quantity, motor can be reduced
Rotating speed, then cause whole blower fan caused lower noise in the process of running.
The utility model can be used on the products such as air-conditioning, lampblack absorber, clarifier, and spiral case can be single admission, can also
It is both sides air intake；There is rounding in the air inlet surrounding of spiral case, while be evenly arranged on rounding curved surface and be advantageous to air
According to the guiding rib of centrifugal wind wheel rotation direction, and the pivot of all guiding ribs just Pivot axle with centrifugal wind wheel
Overlap, so as to ensure that it is more smooth smooth that air enters air inlet.
Brief description of the drawings
Fig. 1 is the decomposition texture schematic diagram of the embodiment of the utility model one.
Fig. 2 is the structural representation of spiral case lid.
Fig. 3 is the front view of spiral case lid.
Fig. 4 is the decomposition texture schematic diagram of another embodiment of the present utility model.
Fig. 5 is the structural representation of spiral case lid in the embodiment.
Fig. 6 is the front view of spiral case lid in the embodiment.
Fig. 7 is the decomposition texture schematic diagram of the another embodiment of the utility model.
1 is spiral case in figure, and 1.1 be left spiral case, and 1.2 be right spiral case, and 1.3 be wiring hole, and 2 be wind wheel, and 3 be motor, 4 be into
Air port, 4.1 be guiding rib, and 5 be spiral case lid.
Embodiment
Below in conjunction with the accompanying drawings and embodiment is further described to the utility model.
Embodiment one,
Referring to Fig. 1-Fig. 6, a kind of centrifugal blower volute, including spiral case；Wind wheel 2 is provided with spiral case 1；Wind wheel 2 and motor 3
Connection, the one or both sides of spiral case are provided with the spiral case lid 5 matched with spiral case 1；Air inlet is offered on spiral case 1 or spiral case lid 5
4, guiding rib 4.1 is provided with air inlet.
Further, spiral case lid 5 is fastenedly connected with spiral case 1；Motor 3 is located at the outside of spiral case 1；Wind wheel 2 be located at spiral case 1 with
In the accommodating cavity body that spiral case lid 5 forms.
Further, some guiding ribs 4.1 surround and are arranged on the medial surface of air inlet 4；The nearly motor side of spiral case 1 is set
It is equipped with wiring hole 1.3；Motor 3 is connected by wiring hole 1.3 with wind wheel 2, or, directly by left/right snail 1.1/1.2 shells
Air inlet 4 is connected with wind wheel 2.
Further, the domed wall shape of guiding rib 4.1；The side of guiding rib 4.1 is the curved surface to cave inward, opposite side
For the curved surface of projection；Guiding rib 4.1 is uniformly distributed in the inner side of air inlet 4.
Further, the rectangular wall shape of guiding rib 4.1；Guiding rib side is the curved surface to cave inward, and opposite side is
Raised curved surface；Guiding rib 4.1 is uniformly distributed in the inner side of air inlet 4.
Further, the center of air inlet 4 and the center of wind wheel 2 are on same level axle；It surround and is distributed in air intake
The center of some guiding ribs 4.1 of mouth 4 is on same level axle with the pivot of wind wheel 2.
Embodiment two, referring to Fig. 7, spiral case 1 divides for left spiral case 1.1 and right spiral case 1.2；On left spiral case 1.1 and right spiral case 1.2
Air inlet 4 is offered respectively；Left spiral case 1.1 is fastenedly connected with right spiral case 1.2；Described motor 3 is located at left spiral case 1.1 or right snail
The outside of shell 1.2；Wind wheel 2 is located in the accommodating cavity body that left spiral case 1.1 and right spiral case 1.2 form.
Embodiment two is both sides air intake, and remaining structure is identical with embodiment one, repeats no more.
The advantages of general principle of the present utility model, principal character and the utility model has been shown and described above.Ability
The technical staff in domain should be recognized that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, the utility model also has on the premise of the spirit and scope of the utility model is not departed from
Various changes and modifications, these changes and improvements are both fallen within claimed the scope of the utility model.The requires of the utility model
Protection domain is defined by appended claims and its equivalent.
Claims (7)
1. a kind of centrifugal blower volute, including spiral case (1)；Wind wheel (2) is provided with the spiral case；Described wind wheel (2) and electricity
Machine (3) connects, it is characterised in that：The one or both sides of the spiral case (1) are provided with the spiral case lid (5) matched with spiral case (1)；Institute
Air inlet (4) is offered on the spiral case (1) or spiral case lid (5) stated；Guiding rib (4.1) is provided with described air inlet.
2. centrifugal blower volute according to claim 1, it is characterised in that：Described spiral case lid (5) fastens with spiral case (1)
Connection；Described motor (3) is located on the outside of spiral case (1)；Described wind wheel (2) is located at the appearance of spiral case (1) and spiral case lid (5) composition
Put in cavity.
3. centrifugal blower volute according to claim 1, it is characterised in that：Described spiral case (1) is divided into left spiral case (1.1)
With right spiral case (1.2)；Air inlet (4) is offered respectively on described left spiral case (1.1) and right spiral case (1.2)；Described left snail
Shell (1.1) is fastenedly connected with right spiral case (1.2)；Described motor (3) is located on the outside of left spiral case (1.1) or right spiral case (1.2)；Institute
The wind wheel (2) stated is located in the accommodating cavity body of left spiral case (1.1) and right spiral case (1.2) composition.
4. according to the centrifugal blower volute described in claim any one of 1-3, it is characterised in that：The inner side of the air inlet (4)
Face is rounding curved surface；Described some guiding ribs (4.1) surround and are arranged on the medial surface of air inlet (4)；Described spiral case
(1) nearly motor side is provided with wiring hole (1.3)；Described motor (3) is connected by wiring hole (1.3) with wind wheel (2), or
Person, directly it is connected by the air inlet (4) on left/right snail (1.1/1.2) shell with wind wheel (2).
5. centrifugal blower volute according to claim 4, it is characterised in that：Described guiding rib (4.1) domed wall
Shape；Described guiding rib (4.1) side is the curved surface to cave inward, and opposite side is raised curved surface；Described guiding rib (4.1)
It is uniformly distributed on the inside of air inlet (4).
6. centrifugal blower volute according to claim 4, it is characterised in that：Described guiding rib (4.1) rectangular wall
Shape；Described guiding rib side is the curved surface to cave inward, and opposite side is raised curved surface；Described guiding rib (4.1) is uniform
It is distributed on the inside of air inlet (4).
7. centrifugal blower volute according to claim 1, it is characterised in that：The center of described air inlet (4) and wind wheel
(2) center is on same level axle；The center for surrounding some guiding ribs (4.1) for being distributed in air inlet (4) and wind
The pivot of wheel (2) is on same level axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720480592.0U CN206972614U (en) | 2017-05-02 | 2017-05-02 | Centrifugal blower volute |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720480592.0U CN206972614U (en) | 2017-05-02 | 2017-05-02 | Centrifugal blower volute |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206972614U true CN206972614U (en) | 2018-02-06 |
Family
ID=61412718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720480592.0U Active CN206972614U (en) | 2017-05-02 | 2017-05-02 | Centrifugal blower volute |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206972614U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110805574A (en) * | 2019-11-12 | 2020-02-18 | 珠海格力电器股份有限公司 | Centrifugal fan volute and air conditioner |
| CN111188795A (en) * | 2020-03-03 | 2020-05-22 | 鞍山钢峰风机有限责任公司 | Noise-reduction centrifugal fan volute and sound absorption structure of air inlet of noise-reduction centrifugal fan volute |
-
2017
- 2017-05-02 CN CN201720480592.0U patent/CN206972614U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110805574A (en) * | 2019-11-12 | 2020-02-18 | 珠海格力电器股份有限公司 | Centrifugal fan volute and air conditioner |
| CN111188795A (en) * | 2020-03-03 | 2020-05-22 | 鞍山钢峰风机有限责任公司 | Noise-reduction centrifugal fan volute and sound absorption structure of air inlet of noise-reduction centrifugal fan volute |
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