CN203308751U - Forward-inclining-type duplex air conditioner centrifugal fan - Google Patents
Forward-inclining-type duplex air conditioner centrifugal fan Download PDFInfo
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- CN203308751U CN203308751U CN2013201631971U CN201320163197U CN203308751U CN 203308751 U CN203308751 U CN 203308751U CN 2013201631971 U CN2013201631971 U CN 2013201631971U CN 201320163197 U CN201320163197 U CN 201320163197U CN 203308751 U CN203308751 U CN 203308751U
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- centrifugal fan
- fixed
- spiral case
- impeller
- duplex air
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Abstract
The utility model discloses a forward-inclining-type duplex air conditioner centrifugal fan. The forward-inclining-type duplex air conditioner centrifugal fan comprises volutes (1) and impellers (2). The impellers (2) are arranged in the volutes (1), an air inlet (11) is formed in the left side of one volute (1), an air inlet (11) is formed in the right side of the other volute (1), a connection shaft (3) sequentially penetrates through the air inlets (11) of the two volutes (1), the impellers (2) in the two volutes (1) are fixed to the connection shaft (3), and connecting and supporting plates (12) are fixed to the bottoms of the volutes (1); one end of a strip-type block (4) is fixed to the shell of one volute (1), and the other end of the strip-type block (4) is fixed to the shell of the other volute (1). Due to the adoption of the centrifugal fan structure, the forward-inclining-type duplex air conditioner centrifugal fan is low in noise; meanwhile, because the impellers of the two coordinate volutes are connected through the same connection shaft and just need to be driven by one motor, the forward-inclining-type duplex air conditioner centrifugal fan is simple in structure, small in occupied space and low in energy consumption.
Description
Technical field:
The utility model relates to the ventilation equipment technical field, relates in particular a kind of FC duplex air-conditioner centrifugal fan
Background technique:
General in existing air-conditioning what install is axial-flow blower, and noise of axial flow fan rings, and generally is only applicable to industry etc. to less demanding local use of noise.
When in hotel, in the main equipments such as more uptown central air-conditioner or in passage, blower fan is installed and must be selected the blower fan that noise is little, the general centrifugal blower that adopts, and existing centrifugal blower is generally by a spiral case, the motor that impeller in spiral case and impeller are rotated forms, some centrifugal blower is single intake grill, have plenty of two intake grills, it is all that a motor drives an impeller, when passage is rectangular, it fills a blower fan and can't satisfy the demand, two blower fans need to be installed side by side just can satisfy the demand, and each blower fan all needs a driven by motor, make not only difficulty of installation, and it is many to take up room, bother very much, energy consumption is also high.
The model utility content:
The purpose of this utility model is exactly the deficiency for prior art, and provide a kind of FC duplex air-conditioner centrifugal fan, it adopts its noise of centrifugal fan structure low, simultaneously, the impeller of two spiral cases arranged side by side is connected by same coupling shaft, only need a driven by motor to get final product, it is simple in structure, take up room little, energy consumption is low.
Technology solution of the present utility model is as follows:
A kind of FC duplex air-conditioner centrifugal fan, comprise spiral case and impeller, impeller is arranged in spiral case, on the left and right sides wall of described spiral case, all form intake grill, coupling shaft passes the intake grill of two spiral cases successively, two interior impellers of spiral case all are fixed on coupling shaft, and the spiral case bottom is fixed with the connection dunnage; Bar blocks one end is fixed on the housing of a spiral case, the other end is fixed on the housing of another spiral case.
On the two side of described each spiral case, be provided with supporting frame, coupling shaft is fixed in the bearing inner race be fixed with in supporting frame.
Support frame as described above is comprised of four poles, the connecting rod that the connection end that pole is formed by curved portions, curved portions upper end and curved portions lower end form forms, the middle part of the connecting rod of the pole that the connection end of each pole is adjacent is bolted to connection together, the connecting rod end of each pole is bolted to connection on the left side or right side wall of spiral case, four poles are connected successively with this, four curved portions form a circular ring, and the bearing holding is in circular ring.
Described impeller is the forward-type impeller, and the blade profile of impeller is circular-arc, and the bending direction of blade is identical with the vane rotary direction.
The exhaust outlet direction of described two spiral cases is identical.
The beneficial effects of the utility model are:
1, it adopts its noise of centrifugal fan structure low, simultaneously, the impeller of two spiral cases arranged side by side is connected by same coupling shaft, only needs a driven by motor to get final product, and it is simple in structure, takes up room little, and energy consumption is low.
2, its impeller adopts the forward-type impeller to improve its gas flow rate, improves static pressure, and the air-flow that meets pipeline is carried requirement.
3, on the two side of its each spiral case, be provided with supporting frame, supporting frame is comprised of four poles, and four poles are bolted to connection together, and it is simple in structure, becomes not low.
The accompanying drawing explanation:
Fig. 1 is perspective view of the present utility model;
Fig. 2 be of the present utility model remove supporting frame and coupling shaft change the angle perspective view;
Fig. 3 is the partial structurtes schematic diagram of Fig. 1;
Fig. 4 is blade in impeller and the schematic diagram of sense of rotation.
Embodiment:
Embodiment: see shown in Fig. 1 to 4, a kind of FC duplex air-conditioner centrifugal fan, comprise spiral case 1 and impeller 2, impeller 2 is arranged in spiral case 1, on the left and right sides wall of described spiral case 1, all form intake grill 11,11, two spiral cases of intake grill, the 1 interior impeller 2 that coupling shaft 3 passes two spiral cases 1 successively all is fixed on coupling shaft 3, and spiral case 1 bottom is fixed with and connects dunnage 12; Bar blocks 4 one ends are fixed on the housing of a spiral case 1, the other end is fixed on the housing of another spiral case 1.
On the two side of described each spiral case 1, be provided with supporting frame 5, coupling shaft 3 is fixed in bearing 51 inner rings that are fixed with in supporting frame 5.
Support frame as described above 5 is comprised of four poles 52, the connecting rod 52c that the connection end 52b that pole 52 is formed by curved portions 52a, curved portions 52a upper end and curved portions 52a lower end form forms, the middle part of the connecting rod 52c of the pole 52 that the connection end 52b of each pole 52 is adjacent is bolted to connection together, the connecting rod 52c end of each pole 52 is bolted to connection on the left side or right side wall of spiral case 1, four poles 52 are connected successively with this, four curved portions 52a form a circular ring, and bearing 51 holdings are in circular ring.
Described impeller 2 is the forward-type impeller, and blade 21 cross sections of impeller 2 are circular-arc, and the bending direction of blade 21 is identical with the vane rotary direction.As arrow in Fig. 4, it is the vane rotary direction.
Exhaust outlet 13 directions of described two spiral cases 1 are identical.
Working principle: three bar blocks 4 are bolted to connection on two spiral cases 1, and two spiral cases 1 are linked together.
By a driven by motor coupling shaft 3, rotate, make two impellers 2 on coupling shaft 3 rotate, make the wind entered from the intake grill 11 of the left and right sidewall of two spiral cases 1 discharge from the exhaust outlet 13 of spiral case 1 by impeller 2, it is equivalent to two centrifugal blowers only needs a driven by motor to get final product, it is simple in structure, take up room little, energy consumption is low.Simultaneously, wherein motor can drive coupling shaft 3 rotations by belt transmission.
Supporting frame 5 is comprised of four poles 52, and four poles 52 are screwed and link together, and it is simple in structure, easy to make, and cost is low.
Claims (5)
1. FC duplex air-conditioner centrifugal fan, comprise spiral case (1) and impeller (2), impeller (2) is arranged in spiral case (1), it is characterized in that: on the left and right sides wall of described spiral case (1), all form intake grill (11), coupling shaft (3) passes the intake grill (11) of two spiral cases (1) successively, it is upper that impeller (2) in two spiral cases (1) all is fixed on coupling shaft (3), and spiral case (1) bottom is fixed with and connects dunnage (12); Bar blocks (4) one ends are fixed on the housing of a spiral case (1), the other end is fixed on the housing of another spiral case (1).
2. a kind of FC duplex air-conditioner centrifugal fan according to claim 1, it is characterized in that: on the two side of described each spiral case (1), be provided with supporting frame (5), coupling shaft (3) is fixed in bearing (51) inner ring be fixed with in supporting frame (5).
3. a kind of FC duplex air-conditioner centrifugal fan according to claim 2, it is characterized in that: support frame as described above (5) is comprised of four poles (52), pole (52) is by curved portions (52a), the connecting rod (52c) that the connection end (52b) that curved portions (52a) upper end forms and curved portions (52a) lower end form forms, the middle part of the connecting rod (52c) of the pole (52) that the connection end (52b) of each pole (52) is adjacent is bolted to connection together, connecting rod (52c) end of each pole (52) is bolted to connection on the left side or right side wall of spiral case (1), four poles (52) are connected successively with this, four curved portions (52a) form a circular ring, bearing (51) holding is in circular ring.
4. a kind of FC duplex air-conditioner centrifugal fan according to claim 1, it is characterized in that: described impeller (2) is the forward-type impeller, and blade (21) cross section of impeller (2) is circular-arc, and the bending direction of blade (21) is identical with the vane rotary direction.
5. a kind of FC duplex air-conditioner centrifugal fan according to claim 1, it is characterized in that: exhaust outlet (13) direction of described two spiral cases (1) is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201631971U CN203308751U (en) | 2013-04-03 | 2013-04-03 | Forward-inclining-type duplex air conditioner centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201631971U CN203308751U (en) | 2013-04-03 | 2013-04-03 | Forward-inclining-type duplex air conditioner centrifugal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203308751U true CN203308751U (en) | 2013-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201631971U Expired - Fee Related CN203308751U (en) | 2013-04-03 | 2013-04-03 | Forward-inclining-type duplex air conditioner centrifugal fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203308751U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747495A (en) * | 2013-12-26 | 2015-07-01 | 珠海格力电器股份有限公司 | Forward type centrifugal fan blade, centrifugal fan and air conditioner with centrifugal fan blade |
| CN106765565A (en) * | 2016-12-06 | 2017-05-31 | 美的集团股份有限公司 | The air-out control method of cabinet air-conditioner, air-conditioner and cabinet air-conditioner |
-
2013
- 2013-04-03 CN CN2013201631971U patent/CN203308751U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747495A (en) * | 2013-12-26 | 2015-07-01 | 珠海格力电器股份有限公司 | Forward type centrifugal fan blade, centrifugal fan and air conditioner with centrifugal fan blade |
| CN106765565A (en) * | 2016-12-06 | 2017-05-31 | 美的集团股份有限公司 | The air-out control method of cabinet air-conditioner, air-conditioner and cabinet air-conditioner |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131127 Termination date: 20160403 |