CN104895836B - Through-flow fan blade and blower fan - Google Patents
Through-flow fan blade and blower fan Download PDFInfo
- Publication number
- CN104895836B CN104895836B CN201410079036.3A CN201410079036A CN104895836B CN 104895836 B CN104895836 B CN 104895836B CN 201410079036 A CN201410079036 A CN 201410079036A CN 104895836 B CN104895836 B CN 104895836B
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- CN
- China
- Prior art keywords
- fan blade
- impeller
- flow fan
- buckle
- cup
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a kind of through-flow fan blade and blower fan.According to the through-flow fan blade of the present invention, including the invention provides a kind of through-flow fan blade, including the first impeller for coordinating with motor shaft and the fan blade shaft-cup with bearing fit, and multiple second impellers being connected between the first impeller and fan blade shaft-cup;Wherein, first impeller includes the first end cap and multiple blades, second impeller includes second partition and multiple blades, and the first end of multiple blades is fixedly connected with second partition or the first end cap, and the second end of multiple blades with adjacent the second impeller or fan blade shaft-cup for free end and for being connected;Buckle is provided with second partition, second end of multiple blades of the second impeller is correspondingly arranged on the connector with hole clipping with buckle, connector is between two adjacent blades and connects two adjacent blades, and buckle is with the hole clipping clamping on the second adjacent impeller so that multiple second impellers are axially connected.The present invention is easy to connect, saves human cost.
Description
Technical field
The present invention relates to blower fan field, in particular to a kind of through-flow fan blade and blower fan.
Background technology
As shown in figure 1, existing air conditioner through-flow fan blade includes the first impeller 10 and and bearing fit coordinated with motor shaft
Fan blade shaft-cup 30, and multiple second impellers 20 being connected between the first impeller 10 and fan blade shaft-cup 30.Wherein the first leaf
Wheel 10 includes the first end cap 11(Injected plastics material), rubber axle sleeve 12(The mold insert that metal and rubber are formed)With multiple blades 13,
Rubber axle sleeve 12 is used for motor axis connection so as to realize transmission, and multiple first ends of blade 13 are fixedly connected with the first end cap 11,
Its second end is free end, and for being connected with next second impeller 20.
As shown in Figure 2,3, the second impeller includes second partition 21 and multiple blades 13, and multiple first ends of blade 13 are fixed and set
Put on second partition 21, the second end of multiple blades 13 is free end, for the second partition with next second impeller 20
21 or fan blade shaft-cup 30 connect, the back side of each second partition 21 is provided with and upper first impeller 10 or the second impeller
The arc groove 21a of the free end connection of 20 blade 13.Fan blade shaft-cup 30 includes the 3rd lid 31 and end axle 32(Metal is inlayed
Part), end axle mainly assembles with bearing cushion rubber realizes rotational support, and the back side of the 3rd lid 31 is provided with to be coordinated with multiple blades 13
Arc groove 21a.
With reference to shown in Fig. 1,2,3, the first impeller 10, the second impeller 20 and the three parts of fan blade shaft-cup 30 pass through ultrasonic bonding
Mode carries out axial connection, and according to through-flow fan blade length requirement, regulation uses the number of the second impeller 20.With reference to shown in Fig. 3, weldering
It must assure that blade 13 is inserted in corresponding second partition 21 or the arc groove 21a at the back side of the 3rd lid 31 in termination process,
And firm welding, because multiple blades are non-equidistantly distributed in the circumferential, so positioning is convenient during in order to ensure insertion, the
Two dividing plates 21, the 3rd lid 31 devise positioning pit.After completing ultrasonic bonding, also need fan blade being placed in high-temperature cabinet
Destressing processing is carried out, when eliminating shaping and deformation during ultrasonic bonding, improves resistance to thermal creep.
The content of the invention
The present invention is intended to provide a kind of through-flow fan blade and blower fan easy to connect.
The invention provides a kind of through-flow fan blade, including the invention provides a kind of through-flow fan blade, including match somebody with somebody with motor shaft
The first impeller closed and the fan blade shaft-cup with bearing fit, and multiple second be connected between the first impeller and fan blade shaft-cup
Impeller;Wherein, the first impeller includes the first end cap and multiple blades, and the second impeller includes second partition and multiple blades, multiple
The first end of blade is fixedly connected with second partition or the first end cap, and the second end of multiple blades for free end and is used for and phase
The second adjacent impeller or the connection of fan blade shaft-cup;Buckle, the second end of multiple blades of the second impeller are provided with second partition
Be correspondingly arranged on the connector with hole clipping with buckle, connector between two adjacent blades and connect this two it is adjacent
Blade, buckle is with the hole clipping clamping on the second adjacent impeller so that multiple second impellers are axially connected.
Further, the second end of multiple blades of the first impeller and the buckle of second partition are correspondingly arranged the company with hole clipping
Fitting;Hole clipping on fan blade shaft-cup and the second impeller is correspondingly arranged on buckle.
Further, multiple blades are 35, and hole clipping is at least three, and is evenly distributed on the second of multiple blades
End.
Further, the second partition of the second impeller is with being provided with withdrawing pattern breach corresponding with the hole clipping of its own.
Further, the second end of multiple blades is additionally provided with the reinforcing ring for the outer radial periphery point for being connected to each blade.
Further, buckle includes the radial direction Access Division of axially projecting section and the end positioned at axially projecting section.
Further, the second impeller either fan blade shaft-cup end have and adjacent the first impeller or the second impeller
The arc groove of the end clamping at the second end of multiple blades.
Present invention also offers a kind of blower fan, including motor and fan blade, the foregoing through-flow fan blade of fan blade, motor and through-flow wind
Leaf drive connection.
According to the through-flow fan blade and blower fan of the present invention, by being provided with buckle on second partition, the second of multiple blades
End is correspondingly arranged on the connector with hole clipping with buckle, and buckle is with the hole clipping clamping on the second adjacent impeller so that multiple second
Impeller is connected with each other.Blade one end in compared with prior art is the connected mode of the through-flow fan blade of free end, and the present invention passes through
Hole clipping and buckle are set, it is easy to connect reliable, the flows such as existing ultrasonic bonding, destressing are abandoned, are effectively improved through-flow fan blade
Production procedure, through-flow fan blade production efficiency is improved, save human cost.
Brief description of the drawings
The accompanying drawing for forming the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the main structure diagram of through-flow fan blade of the prior art;
Fig. 2 is the dimensional structure diagram of the second impeller of through-flow fan blade of the prior art;
Fig. 3 is the dimensional structure diagram that the second impeller of through-flow fan blade of the prior art docks with fan blade shaft-cup;
Fig. 4 is the first dimensional structure diagram according to the second impeller of the through-flow fan blade of the present invention;
Fig. 5 is the second dimensional structure diagram according to the second impeller of the through-flow fan blade of the present invention;
Fig. 6 is the connection diagram according to the impeller of adjacent two second of the through-flow fan blade of the present invention;
Fig. 7 is Fig. 6 axial section structural representation;
Fig. 8 is the dimensional structure diagram according to the first impeller of the through-flow fan blade of the present invention;
Fig. 9 is the dimensional structure diagram according to the fan blade shaft-cup of the through-flow fan blade of the present invention;
Figure 10 is the main structure diagram according to the through-flow fan blade of the present invention;
Figure 11 is the dimensional structure diagram according to another embodiment of the second impeller of the through-flow fan blade of the present invention.
Embodiment
Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As shown in Figure 10, according to the through-flow fan blade of the present invention, including the first impeller 10 coordinated with motor shaft and and bearing
The fan blade shaft-cup 30 of cooperation, and multiple second impellers 20 being connected between the first impeller 10 and fan blade shaft-cup 30.With reference to Fig. 8
Shown, the first impeller 10 includes the first end cap 11(Injected plastics material), rubber axle sleeve 12(The mold insert that metal and rubber are formed)With
Multiple blades 13, rubber axle sleeve 12 are used for motor axis connection so as to realize transmission, multiple first ends of blade 13 and the first end cap
11 are fixedly connected, and its second end is free end, and for being connected with next second impeller 20.
With reference to shown in Fig. 4 and Fig. 5, the second impeller 20 includes second partition 21 and multiple blades 13, multiple blades 13 first
End is fixedly installed on second partition 21, and the second end of multiple blades 13 is free end, and is used for and next second impeller 20
Second partition 21 or fan blade shaft-cup 30 connect, the back side of each second partition 21 be provided with upper first impeller 10 or
The arc groove 21a of the free end connection of the blade 13 of the second impeller of person 20, during connection, the free end of blade 13 is plugged on arc
In groove 21a, with reference to shown in Fig. 9, fan blade shaft-cup 30 includes the 3rd lid 31 and end axle 32(Metal inserted piece), end axle is mainly and axle
Hold cushion rubber assembling and realize rotational support, the back side of the 3rd lid 31 is provided with the arc groove 21a coordinated with multiple blades 13.
Described in the three-dimensional structure diagram of the second impeller 20 as shown in Figure 4 and Figure 5, buckle 21b is provided with second partition 21,
With reference to shown in Fig. 9, identical buckle 21b is also equipped with fan blade shaft-cup 30, the second end of multiple blades 13 is corresponding with buckle 21b
The connector with hole clipping 13a is provided with, connector is between two adjacent blades and connects two adjacent blades, blocks
21b is detained with the hole clipping 13a clampings on adjacent the second impeller 20 or the first impeller 10 so that the first impeller 10, multiple second leaves
The axially connection of wheel 20, fan blade shaft-cup 30.One end of middle blade 13 is the connection side of the through-flow fan blade of free end compared with prior art
Formula, the present invention are easy to connect reliable by setting hole clipping 13a and buckle 21b, it is not necessary to the flow such as ultrasonic bonding, destressing,
Through-flow fan blade production procedure is effectively improved, improves through-flow fan blade production efficiency, saves human cost.
Specifically, buckle 21b includes the radial direction Access Division of axially projecting section and the end positioned at axially projecting section, axially prominent
Go out section and pass through hole clipping 13a, with reference to shown in Fig. 7, radial direction Access Division is connected to hole clipping 13a edge, so that the first impeller 10, more
Individual second impeller 20, the axial restraint of fan blade shaft-cup 30.As shown in Figures 4 to 6, buckle 21b can use grab shape.In Figure 11
In shown another embodiment, the buckle 21b such as " mushroom head " shape can also be used.
Preferably, blade 13 is 35, and hole clipping 13a is at least three, and is evenly distributed on the second of multiple blades 13
End, intensity needs when being worked according to through-flow fan blade, hole clipping 13a and buckle 21b at most could be arranged to 35, i.e. arbitrary neighborhood
Hole clipping 13a is provided between two blades 13.
It is highly preferred that as shown in Figs. 4-6, due to setting band hole clipping 13a between the second end of two adjacent blades 13
Connector, for convenience the first impeller 10 and the second impeller 20 be stripped, be provided with the first end cap 11 and second partition 21
Withdrawing pattern breach 21c corresponding with hole clipping 13a.
With reference to shown in Fig. 4 to 6, in order to improve the intensity of blade 13, the second end of multiple blades 13, which is additionally provided with, to be connected to
The reinforcing ring 13b of the outer radial periphery point of each blade 13, i.e., the second end of all blades 13 connected into by reinforcing ring 13b whole
Body, so as to effectively improve the intensity of each blade.
Present invention also offers a kind of blower fan, including motor and fan blade, the foregoing through-flow fan blade of fan blade, motor and through-flow wind
Leaf drive connection.Using foregoing through-flow fan blade, effectively improve fan blade production procedure, improve fan blade production efficiency, save people
Power cost, it is not necessary to ultrasonic bonding, so as to avoid operating personnel because ultrasonic bonding causes hearing damage.
As can be seen from the above description, the above embodiments of the present invention realize following technique effect:
According to the through-flow fan blade and blower fan of the present invention, buckle is provided with by being covered in second partition or blade shaft, it is more
Second end of individual blade is correspondingly arranged on the connector with hole clipping, buckle and adjacent the second impeller or the first impeller with buckle
On hole clipping clamping so that the first impeller, multiple second impellers, fan blade shaft-cup axially connect.Blade one in compared with prior art
The connected mode of the through-flow fan blade for free end is held, the present invention is easy to connect reliable by setting hole clipping and buckle, abandons existing
The flows such as ultrasonic bonding, destressing, through-flow fan blade production procedure is effectively improved, improves through-flow fan blade production efficiency, save people
Power cost.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (8)
1. a kind of through-flow fan blade, including the first impeller (10) for coordinating with motor shaft and the fan blade shaft-cup (30) with bearing fit,
And it is connected to multiple second impellers (20) between the first impeller (10) and fan blade shaft-cup (30);Wherein, the first impeller (10)
Including the first end cap (11) and multiple blades (13), second impeller (20) includes second partition (21) and multiple blades
(13), the first end of the multiple blade (13) is fixedly connected with the second partition (21) or first end cap (11),
Second end of the multiple blade (13) is free end and is used for and adjacent second impeller (20) or fan blade shaft-cup
(30) connect;Characterized in that,
Buckle (21b), the second end of multiple blades (13) of second impeller (20) are provided with the second partition (21)
The connector with hole clipping (13a) is correspondingly arranged on the buckle (21b), the connector is between two adjacent blades
And two adjacent blades are connected, the buckle (21b) and hole clipping (13a) clamping on adjacent second impeller (20)
So that multiple second impellers (20) axially connect.
2. through-flow fan blade according to claim 1, it is characterised in that
Second end of multiple blades (13) of first impeller (10) is corresponding with the buckle (21b) of the second partition (21) to be set
Put the connector with hole clipping (13a);
The fan blade shaft-cup (30) is correspondingly arranged on the buckle (21b) with the hole clipping (13a) on second impeller (20).
3. through-flow fan blade according to claim 1, it is characterised in that
The multiple blade (13) is 35, and the hole clipping (13a) is at least three, and is evenly distributed on the multiple blade
(13) the second end.
4. through-flow fan blade according to claim 1, it is characterised in that
Withdrawing pattern breach (21c) corresponding with the hole clipping (13a) is provided with the second partition (21) of second impeller (20).
5. through-flow fan blade according to claim 1, it is characterised in that
Second end of the multiple blade (13) is additionally provided with the reinforcing ring for the outer radial periphery point for being connected to each blade (13)
(13b)。
6. the through-flow fan blade according to claims 1 or 2, it is characterised in that
The buckle (21b) includes the radial direction Access Division of axially projecting section and the end positioned at described axially projecting section.
7. through-flow fan blade according to claim 1, it is characterised in that
Second impeller (20) either fan blade shaft-cup (30) end have and adjacent the first impeller (10) or the second leaf
Take turns the arc groove (21a) of the end clamping at the second end of the multiple blade (13) of (20).
8. a kind of blower fan, including motor and fan blade, it is characterised in that the fan blade is any one of claim 1 to 7
Through-flow fan blade, the motor and the through-flow fan blade drive connection.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410079036.3A CN104895836B (en) | 2014-03-05 | 2014-03-05 | Through-flow fan blade and blower fan |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410079036.3A CN104895836B (en) | 2014-03-05 | 2014-03-05 | Through-flow fan blade and blower fan |
Publications (2)
Publication Number | Publication Date |
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CN104895836A CN104895836A (en) | 2015-09-09 |
CN104895836B true CN104895836B (en) | 2017-11-28 |
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CN201410079036.3A Active CN104895836B (en) | 2014-03-05 | 2014-03-05 | Through-flow fan blade and blower fan |
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CN (1) | CN104895836B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107490164A (en) * | 2017-09-11 | 2017-12-19 | 珠海格力电器股份有限公司 | Ducting assembly and there is its air conditioner |
CN111828377B (en) * | 2020-07-13 | 2021-11-30 | 湖南鑫宏源高科有限公司 | Centrifugal fan impeller |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02161197A (en) * | 1988-12-13 | 1990-06-21 | Akaishi Kinzoku Kogyo Kk | Connection type blower fan |
JPH09242687A (en) * | 1996-03-05 | 1997-09-16 | Toho Eng Kk | Impeller for multiple blade fan, and multiple blade fan |
CN102251971A (en) * | 2010-05-17 | 2011-11-23 | 海尔集团公司 | Cross-flow fan |
CN203051218U (en) * | 2013-02-20 | 2013-07-10 | 宁波划一马达有限公司 | Cross-flow fan blade |
CN203730397U (en) * | 2014-03-05 | 2014-07-23 | 珠海格力电器股份有限公司 | Cross-flow fan blade and fan |
-
2014
- 2014-03-05 CN CN201410079036.3A patent/CN104895836B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02161197A (en) * | 1988-12-13 | 1990-06-21 | Akaishi Kinzoku Kogyo Kk | Connection type blower fan |
JPH09242687A (en) * | 1996-03-05 | 1997-09-16 | Toho Eng Kk | Impeller for multiple blade fan, and multiple blade fan |
CN102251971A (en) * | 2010-05-17 | 2011-11-23 | 海尔集团公司 | Cross-flow fan |
CN203051218U (en) * | 2013-02-20 | 2013-07-10 | 宁波划一马达有限公司 | Cross-flow fan blade |
CN203730397U (en) * | 2014-03-05 | 2014-07-23 | 珠海格力电器股份有限公司 | Cross-flow fan blade and fan |
Also Published As
Publication number | Publication date |
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CN104895836A (en) | 2015-09-09 |
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