CN203730397U - Cross-flow fan blade and fan - Google Patents
Cross-flow fan blade and fan Download PDFInfo
- Publication number
- CN203730397U CN203730397U CN201420098749.XU CN201420098749U CN203730397U CN 203730397 U CN203730397 U CN 203730397U CN 201420098749 U CN201420098749 U CN 201420098749U CN 203730397 U CN203730397 U CN 203730397U
- Authority
- CN
- China
- Prior art keywords
- fan blade
- impeller
- blades
- flow fan
- blade
- 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- Withdrawn - After Issue
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/02—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal
- F04D17/04—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal of transverse-flow type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/626—Mounting or removal of fans
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a cross-flow fan blade and a fan. The cross-flow fan blade comprises a first impeller, a fan blade shaft cap and a plurality of second impellers, wherein the first impeller is matched with a motor shaft, the fan blade shaft cup is matched with a bearing, and the second impellers are arranged between the first impeller and the fan blade shaft cap. The first impeller comprises a first end cap and a plurality of blades. Each second impeller comprises a second partition and a plurality of blades, first ends of the blades are fixedly connected with the second partition or the first end cap, and second ends of the blades are free ends and are connected with the adjacent second impeller or the fan blade shaft cap. The second partitions are provided with fasteners, second ends of the blades of the second impellers are provided with connectors with clamp holes, the connectors correspond to the fasteners and are arranged between the adjacent blades and connected with the same, and the fasteners are fastened with the clamp holes on the adjacent second impellers so as to axially connect the second impellers. The cross-flow fan blade is convenient in connection, and labor cost is saved.
Description
Technical field
The utility model relates to blower fan field, in particular to a kind of through-flow fan blade and blower fan.
Background technique
As shown in Figure 1, existing air conditioner through-flow fan blade comprise the first impeller 10 of coordinating with motor shaft and with the fan blade shaft-cup 30 of bearing fit, and be connected to a plurality of the second impellers 20 between the first impeller 10 and fan blade shaft-cup 30.Wherein the first impeller 10 has comprised the first end cap 11(injected plastics material), the mold insert that forms of rubber axle sleeve 12(metal and rubber) and a plurality of blade 13, thereby rubber axle sleeve 12 is for being connected and realizing transmission with motor shaft, a plurality of blade 13 first ends are fixedly connected with the first end cap 11, its second end is free end, and for being connected with next the second impeller 20.
As shown in Figure 2,3, the second impeller comprises second partition 21 and a plurality of blade 13, a plurality of blade 13 first ends are fixedly installed on second partition 21, the second end of a plurality of blades 13 is free end, for being connected with second partition 21 or the fan blade shaft-cup 30 of next the second impeller 20, the back side of each second partition 21 is provided with the arc groove 21a being connected with the free end of the blade 13 of upper first impeller 10 or the second impeller 20.Fan blade shaft-cup 30 comprises the 3rd lid 31 and end axle 32(metal inserted piece), end axle is main to be assembled and realizes rotational support with bearing cushion rubber, and the back side of the 3rd lid 31 is provided with the arc groove 21a coordinating with a plurality of blades 13.
Shown in Fig. 1,2,3, the first impeller 10, the second impeller 20 are axially connected by ultrasonic welding mode with fan blade shaft-cup 30 3 parts, according to through-flow fan blade length requirement, regulate the number of using the second impeller 20.Shown in Fig. 3, in welding process, must guarantee that blade 13 inserts in the arc groove 21a at corresponding second partition 21 or the 3rd lid 31 back sides, and firm welding, because a plurality of blades are upwards non-equidistance distribution in week, so convenient in order to guarantee to insert time location, at second partition 21, the 3rd lid 31, designed location concave point.After completing ultrasonic welding, also need fan blade to be placed on and in high-temperature cabinet, to carry out destressing processing, eliminate while being shaped and distortion during ultrasonic welding, improve heat-resisting creep.
Model utility content
The utility model aims to provide a kind of through-flow fan blade easy to connect and blower fan.
The utility model provides a kind of through-flow fan blade, comprises that the utility model provides a kind of through-flow fan blade, comprise the first impeller of coordinating with motor shaft and with the fan blade shaft-cup of bearing fit, and be connected to a plurality of the second impellers between the first impeller and fan blade shaft-cup; Wherein, the first impeller comprises the first end cap and a plurality of blade, the second impeller comprises second partition and a plurality of blade, and the first end of a plurality of blades is fixedly connected with second partition or the first end cap, and the second end of a plurality of blades is free end and is connected for the second impeller with adjacent or fan blade shaft-cup; On second partition, be provided with buckle, the second end link of being provided with hole clipping corresponding to buckle of a plurality of blades of the second impeller, link is between two adjacent blades and connect this two adjacent blades, buckle with hole clipping clamping on adjacent the second impeller so that a plurality of the second impeller shaft to being connected.
Further, the second end of a plurality of blades of the first impeller and the corresponding link arranging with hole clipping of the buckle of second partition; Fan blade shaft-cup and the corresponding buckle that is provided with of hole clipping on the second impeller.
Further, a plurality of blades are 35, and hole clipping is at least three, and are evenly distributed on the second end of a plurality of blades.
Further, the second partition of the second impeller be provided with the withdrawing pattern breach corresponding with the hole clipping of himself.
Further, the second end of a plurality of blades is also provided with the stiffening ring of the outer radial periphery point that is connected to each blade.
Further, buckle comprises axial nose section and the radially inserted part that is positioned at the end of axial nose section.
Further, the end of the second impeller or fan blade shaft-cup has the arc groove with the end clamping of the second end of a plurality of blades of the first adjacent impeller or the second impeller.
The utility model also provides a kind of blower fan, comprises motor and fan blade, the aforesaid through-flow fan blade of fan blade, and motor drives and is connected with through-flow fan blade.
According to through-flow fan blade of the present utility model and blower fan, by be provided with buckle on second partition, the second end link of being provided with hole clipping corresponding to buckle of a plurality of blades, the hole clipping clamping on buckle and adjacent the second impeller so that a plurality of the second impeller interconnect.The Placement that blade one end is compared to existing technology free-ended through-flow fan blade, the utility model is by arranging hole clipping and buckle, easy to connect reliable, abandon the flow processs such as existing ultrasonic welding, destressing, effectively improve through-flow fan blade production procedure, improve through-flow fan blade manufacturing efficiency, save human cost.
Accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the main TV structure schematic diagram of through-flow fan blade of the prior art;
Fig. 2 is the perspective view of the second impeller of through-flow fan blade of the prior art;
Fig. 3 is the perspective view that the second impeller of through-flow fan blade of the prior art docks with fan blade shaft-cup;
Fig. 4 is according to the first perspective view of the second impeller of through-flow fan blade of the present utility model;
Fig. 5 is according to the second perspective view of the second impeller of through-flow fan blade of the present utility model;
Fig. 6 is according to the connection diagram of two adjacent second impellers of through-flow fan blade of the present utility model;
Fig. 7 is the axial section structural representation of Fig. 6;
Fig. 8 is according to the perspective view of the first impeller of through-flow fan blade of the present utility model;
Fig. 9 is according to the perspective view of the fan blade shaft-cup of through-flow fan blade of the present utility model;
Figure 10 is the main TV structure schematic diagram according to through-flow fan blade of the present utility model;
Figure 11 is according to another embodiment's of the second impeller of through-flow fan blade of the present utility model perspective view.
Embodiment
Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
As shown in figure 10, according to through-flow fan blade of the present utility model, comprise the first impeller 10 of coordinating with motor shaft and with the fan blade shaft-cup 30 of bearing fit, and be connected to a plurality of the second impellers 20 between the first impeller 10 and fan blade shaft-cup 30.Shown in Fig. 8, the first impeller 10 has comprised the first end cap 11(injected plastics material), the mold insert that forms of rubber axle sleeve 12(metal and rubber) and a plurality of blade 13, thereby rubber axle sleeve 12 is for being connected and realizing transmission with motor shaft, a plurality of blade 13 first ends are fixedly connected with the first end cap 11, its second end is free end, and for being connected with next the second impeller 20.
Shown in Fig. 4 and Fig. 5, the second impeller 20 comprises second partition 21 and a plurality of blade 13, a plurality of blade 13 first ends are fixedly installed on second partition 21, the second end of a plurality of blades 13 is free end, and be connected for the second partition 21 with next the second impeller 20 or fan blade shaft-cup 30, the back side of each second partition 21 is provided with the arc groove 21a being connected with the free end of the blade 13 of upper first impeller 10 or the second impeller 20, during connection, the free end of blade 13 is plugged in arc groove 21a, shown in Fig. 9, fan blade shaft-cup 30 comprises the 3rd lid 31 and end axle 32(metal inserted piece), end axle is main to be assembled and realizes rotational support with bearing cushion rubber, the back side of the 3rd lid 31 is provided with the arc groove 21a coordinating with a plurality of blades 13.
Described in the three-dimensional structure diagram of the second impeller 20 as shown in Figure 4 and Figure 5, on second partition 21, be provided with buckle 21b, shown in Fig. 9, on fan blade shaft-cup 30, be also provided with identical buckle 21b, the second end of a plurality of blades 13 link of being provided with hole clipping 13a corresponding to buckle 21b, link is between two adjacent blades and connect this two adjacent blades, buckle 21b and adjacent the second impeller 20 or the hole clipping 13a clamping on the first impeller 10 so that the first impeller 10, a plurality of the second impeller 20, fan blade shaft-cup 30 be axially connected.The Placement that one end of Leaf 13 is free-ended through-flow fan blade compared to existing technology, the utility model is by arranging hole clipping 13a and buckle 21b, easy to connect reliable, do not need the flow processs such as ultrasonic welding, destressing, effectively improve through-flow fan blade production procedure, improve through-flow fan blade manufacturing efficiency, save human cost.
Particularly, buckle 21b comprises axial nose section and is positioned at the radially inserted part of the end of axial nose section, axially nose section is through hole clipping 13a, shown in Fig. 7, radially inserted part is connected to the edge of hole clipping 13a, thereby makes the first impeller 10, a plurality of the second impeller 20, fan blade shaft-cup 30 axial restraints.As shown in Figures 4 to 6, buckle 21b can adopt grab shape.In another embodiment shown in Figure 11, also can adopt as the buckle 21b of " mushroom head " shape.
Preferably, blade 13 is 35, and hole clipping 13a is at least three, and be evenly distributed on the second end of a plurality of blades 13, intensity needs while working according to through-flow fan blade, hole clipping 13a and buckle 21b can be set at most 35, between two of arbitrary neighborhood blades 13, are provided with hole clipping 13a.
More preferably, as shown in Figs. 4-6, between the second end due to two blades 13 adjacent, the link with hole clipping 13a is set, in order to facilitate the first impeller 10 and second impeller 20 demouldings, on the first end cap 11 and second partition 21, is provided with the withdrawing pattern breach 21c corresponding with hole clipping 13a.
In conjunction with shown in Fig. 4 to 6, in order to improve the intensity of blade 13, the second end of a plurality of blades 13 is also provided with the stiffening ring 13b of the outer radial periphery point that is connected to each blade 13, by stiffening ring 13b, the second end of all blades 13 is connected into integral body, thereby effectively improves the intensity of each blade.
The utility model also provides a kind of blower fan, comprises motor and fan blade, the aforesaid through-flow fan blade of fan blade, and motor drives and is connected with through-flow fan blade.Adopt aforesaid through-flow fan blade, effectively improve fan blade production procedure, improve fan blade manufacturing efficiency, save human cost, do not need ultrasonic welding, thereby avoid operator because ultrasonic welding causes hearing injury.
As can be seen from the above description, the utility model the above embodiments have realized following technique effect:
According to through-flow fan blade of the present utility model and blower fan, by covering and be provided with buckle at second partition or blade shaft, the second end link of being provided with hole clipping corresponding to buckle of a plurality of blades, buckle and adjacent the second impeller or the hole clipping clamping on the first impeller so that the first impeller, a plurality of the second impeller, fan blade shaft-cup be axially connected.The Placement that blade one end is compared to existing technology free-ended through-flow fan blade, the utility model is by arranging hole clipping and buckle, easy to connect reliable, abandon the flow processs such as existing ultrasonic welding, destressing, effectively improve through-flow fan blade production procedure, improve through-flow fan blade manufacturing efficiency, save human cost.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. a through-flow fan blade, comprise the first impeller (10) of coordinating with motor shaft and with the fan blade shaft-cup (30) of bearing fit, and be connected to a plurality of the second impellers (20) between the first impeller (10) and fan blade shaft-cup (30); Wherein, the first impeller (10) comprises the first end cap (11) and a plurality of blade (13), described the second impeller (20) comprises second partition (21) and a plurality of blade (13), the first end of described a plurality of blade (13) is fixedly connected with described second partition (21) or described the first end cap (11), and the second end of described a plurality of blades (13) is free end and is connected for described the second impeller (20) with adjacent or fan blade shaft-cup (30); It is characterized in that,
On described second partition (21), be provided with buckle (21b), the second end of a plurality of blades (13) of described the second impeller (20) link of being provided with band hole clipping (13a) corresponding to described buckle (21b), described link is between two adjacent blades and connect this two adjacent blades, described buckle (21b) with hole clipping (13a) clamping on adjacent described the second impeller (20) so that a plurality of described the second impellers (20) be axially connected.
2. through-flow fan blade according to claim 1, is characterized in that,
The second end of a plurality of blades (13) of described the first impeller (10) described link that band hole clipping (13a) be set corresponding to the buckle (21b) of described second partition (21);
Described fan blade shaft-cup (30) and the corresponding described buckle (21b) that is provided with of hole clipping (13a) on described the second impeller (20).
3. through-flow fan blade according to claim 1, is characterized in that,
Described a plurality of blade (13) is 35, and described hole clipping (13a) is at least three, and is evenly distributed on the second end of described a plurality of blade (13).
4. through-flow fan blade according to claim 1, is characterized in that,
The second partition (21) of described the second impeller (20) be provided with the withdrawing pattern breach (21c) corresponding with the hole clipping (13a) of himself.
5. through-flow fan blade according to claim 1, is characterized in that,
The second end of described a plurality of blade (13) is also provided with the stiffening ring (13b) of the outer radial periphery point that is connected to each blade (13).
6. according to the through-flow fan blade described in claim 1 or 2, it is characterized in that,
Described buckle (21b) comprises axial nose section and is positioned at the radially inserted part of the end of described axial nose section.
7. through-flow fan blade according to claim 1, is characterized in that,
The end of described the second impeller (20) or fan blade shaft-cup (30) has the arc groove (21a) with the end clamping of the second end of described a plurality of blades (13) of adjacent the first impeller (10) or the second impeller (20).
8. a blower fan, comprises motor and fan blade, it is characterized in that, described fan blade is the through-flow fan blade described in any one in claim 1 to 7, and described motor drives and is connected with described through-flow fan blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420098749.XU CN203730397U (en) | 2014-03-05 | 2014-03-05 | Cross-flow fan blade and fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420098749.XU CN203730397U (en) | 2014-03-05 | 2014-03-05 | Cross-flow fan blade and fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203730397U true CN203730397U (en) | 2014-07-23 |
Family
ID=51200475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420098749.XU Withdrawn - After Issue CN203730397U (en) | 2014-03-05 | 2014-03-05 | Cross-flow fan blade and fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203730397U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104819168A (en) * | 2015-05-26 | 2015-08-05 | 珠海格力电器股份有限公司 | Cross-flow fan and air-conditioning unit |
| CN104895836A (en) * | 2014-03-05 | 2015-09-09 | 珠海格力电器股份有限公司 | Cross-flow fan blade and fan |
| CN105041713A (en) * | 2015-07-23 | 2015-11-11 | 韦江华 | Efficient energy-saving motor moving impeller |
| CN105745451A (en) * | 2014-10-30 | 2016-07-06 | 京瓷办公信息系统株式会社 | Cross flow fan, electric product provided with cross flow fan, and impeller used in cross flow fan |
| CN106015087A (en) * | 2016-07-21 | 2016-10-12 | 美的集团武汉制冷设备有限公司 | Cross-flow wind wheel, cross-flow fan and air conditioner indoor unit |
| CN111561743A (en) * | 2020-06-01 | 2020-08-21 | 福建优净星环境科技有限公司 | Sterilizing air conditioner indoor unit and sterilizing method adopting same |
| CN111878456A (en) * | 2020-06-08 | 2020-11-03 | 嘉兴市品鼎电器有限公司 | Cross-flow fan blade for integrated ceiling fresh air system |
-
2014
- 2014-03-05 CN CN201420098749.XU patent/CN203730397U/en not_active Withdrawn - After Issue
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104895836A (en) * | 2014-03-05 | 2015-09-09 | 珠海格力电器股份有限公司 | Cross-flow fan blade and fan |
| CN104895836B (en) * | 2014-03-05 | 2017-11-28 | 珠海格力电器股份有限公司 | Through-flow fan blade and blower fan |
| CN105745451A (en) * | 2014-10-30 | 2016-07-06 | 京瓷办公信息系统株式会社 | Cross flow fan, electric product provided with cross flow fan, and impeller used in cross flow fan |
| CN105745451B (en) * | 2014-10-30 | 2017-03-15 | 京瓷办公信息系统株式会社 | Cross flow fan, the electric equipment products for possessing cross flow fan and the impeller for cross flow fan |
| CN104819168A (en) * | 2015-05-26 | 2015-08-05 | 珠海格力电器股份有限公司 | Cross-flow fan and air-conditioning unit |
| CN105041713A (en) * | 2015-07-23 | 2015-11-11 | 韦江华 | Efficient energy-saving motor moving impeller |
| CN106015087A (en) * | 2016-07-21 | 2016-10-12 | 美的集团武汉制冷设备有限公司 | Cross-flow wind wheel, cross-flow fan and air conditioner indoor unit |
| CN111561743A (en) * | 2020-06-01 | 2020-08-21 | 福建优净星环境科技有限公司 | Sterilizing air conditioner indoor unit and sterilizing method adopting same |
| CN111878456A (en) * | 2020-06-08 | 2020-11-03 | 嘉兴市品鼎电器有限公司 | Cross-flow fan blade for integrated ceiling fresh air system |
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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 | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140723 Effective date of abandoning: 20171128 |