CN206360928U - A kind of centrifugation blade - Google Patents
A kind of centrifugation blade Download PDFInfo
- Publication number
- CN206360928U CN206360928U CN201621434761.9U CN201621434761U CN206360928U CN 206360928 U CN206360928 U CN 206360928U CN 201621434761 U CN201621434761 U CN 201621434761U CN 206360928 U CN206360928 U CN 206360928U
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- base
- contact surface
- welding contact
- blade
- hydrosphere
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Abstract
The utility model is related to a kind of centrifugation blade.A kind of centrifugation blade, including base and hydrosphere；The hydrosphere is fixed by welding on Base edge, and base is provided with seat chamber, and seat chamber is in step, and seat intracavitary portion is provided with the one-level step side being connected with Base edge, and the one-level bench floor being connected with one-level step side；Many block welding contact surfaces are provided with the accent of the seat chamber, many block welding contact surfaces are circumferentially disposed along base；The welding contact surface is horizontal plane, and the outer end of welding contact surface is fastened on Base edge, and the inner end for welding contact surface is tilted to the clockwise direction of base radial direction.The centrifugation blade increases the contact area of soldering tip, so as to increase transfer of ultrasonic energy, can lift solder yield, strengthen fan blade degree of being firmly combined with.
Description
Technical field
The utility model is related to a kind of centrifugation blade.
Background technology
It is the product commonly used in field of ventilation equipment especially air-conditioning that fan blade, which is particularly molded centrifugation blade, and fan blade includes bottom
With being connected as a single entity on the inside of base on the outside of seat, hydrosphere and multiple blades, hydrosphere, blade bottom end is connected as a single entity with base.Centrifugation blade
In processing, base and hydrosphere are formed by ultrasonic bonding, and ultrasonic energy is delivered to base by the soldering tip on bonding machine
On, and ultrasonic energy must could be transmitted by material object contact.Plane on the fan blade of the general structure, base is narrower, no
Soldering tip can be completely attached to, energy loss when causing to weld.
The content of the invention
In order to solve the above problems, the purpose of this utility model is to provide a kind of centrifugation blade, centrifugation blade increase
The contact area of soldering tip, so as to increase transfer of ultrasonic energy, can lift solder yield, strengthen fan blade degree of being firmly combined with.
In order to realize above-mentioned purpose, the utility model employs following technical scheme：
A kind of centrifugation blade, including base and hydrosphere；The hydrosphere is fixed by welding on Base edge, is set on base
Have a chamber, seat chamber is in step, seat intracavitary portion is provided with the one-level step side being connected with Base edge, and with one-level step
The one-level bench floor that side is connected；It is characterized in that：Many block welding contact surfaces, polylith are provided with the accent of the seat chamber
Weld contact surface circumferentially disposed along base；The welding contact surface is horizontal plane, and the outer end of welding contact surface is fastened on
On Base edge, the inner end for welding contact surface is tilted to the clockwise direction of base radial direction.
Preferably, being provided with polylith centrifuge blade between the base and hydrosphere, polylith centrifuge blade is all along base center
To rule setting.
Preferably, the quantity of the welding contact surface is equal with the quantity of centrifuge blade, and welding contact surface and centrifugation
Blade is axially corresponding.
Preferably, the width of the welding contact surface is more than one-level step side and one-level bench floor.
The utility model uses above-mentioned technical proposal, and the technical scheme is related to base in a kind of centrifugation blade, centrifugation blade
Formed with hydrosphere by ultrasonic bonding.In scheme, base is provided with welding contact surface, and the outer end connection of welding contact surface is solid
It is scheduled on Base edge, welding contact surface adds the contact area with soldering tip, so that increase transfer of ultrasonic energy, Ke Yiti
Solder yield more than 25% is risen, fan blade binding strength improves 30%.
Brief description of the drawings
Fig. 1 is the structural representation of centrifugation blade.
Embodiment
Below in conjunction with the accompanying drawings, preferred embodiment of the present utility model is described in further detail.
A kind of centrifugation blade as shown in Figure 1, including base 1 and hydrosphere 2.Between base 1 and hydrosphere 2 leaf is centrifuged provided with polylith
Piece 3, polylith centrifuge blade 3 is along the circumferential rule setting in the center of base 1, and wherein hydrosphere 2 and base 1 is solid by ultrasonic bonding connection
Fixed, blade bottom end is connected as a single entity with base 1.The hydrosphere 2 is fixed by welding on the edge of base 1, and base 1 is provided with seat chamber
11, seat chamber 11 is in step, and the inside of seat chamber 11 is provided with the one-level step side 12 being connected with the edge of base 1, and and one-level
The one-level bench floor 13 that step side 12 is connected.Many block welding contact surfaces 14 are provided with the accent of the seat chamber 11, it is many
Block welding contact surface 14 is circumferentially disposed along base 1.The welding contact surface 14 is horizontal plane, and the width of welding contact surface 14 is more than
One-level step side 12 and one-level bench floor 13.The outer end of welding contact surface 14 is fastened on the edge of base 1, is welded
The inner end of contact surface 14 is tilted to the clockwise direction of the radial direction of base 1.The quantity and centrifuge blade 3 of the welding contact surface 14
Quantity it is equal, and welding contact surface 14 and centrifuge blade 3 is axially opposing should.
The air intake of the centrifuge blade 3 is provided with multiple tooth form breach, and the height of tooth form breach is fan blade diameter
0.5%~2%, the tooth pitch of tooth form breach is the 1%~3% of fan blade diameter.The air intake of conventional centrifugal blade 3 is that medial extremity is flat
Whole face, fan blade is in air intake, air intake great efforts, and the blast before and after centrifuge blade 3 is big, rotates the noise whirlpool produced greatly, causes
The noise that fan blade is produced when rotating is big, employs the structure of tooth form breach, centrifugation blade can slow down air intake dynamics in air intake,
The blast before and after centrifuge blade 3 is reduced, the noise whirlpool that rotation is produced is reduced, at least reduces 1dB noises.The top of centrifuge blade 3
Medial extremity be provided between arc angling, the i.e. top end face of centrifuge blade 3 and the air intake end face of centrifuge blade 3 use arc transition,
And the radius of circular arc is the 12% of the width of centrifuge blade 3, increases incoming air area, air inlet pressure difference is reduced, increase air quantity 1%~
3%, at least reduce 1dB noises.The not every central angle angle of centrifuge blade 3 is all identical, and the central angle angle of centrifuge blade 3 is
Refer to the angle angle formed between adjacent centrifugal blade 3 and the centrifugation blade center of circle, the central angle angle of centrifuge blade 3 is at 7 °~12 °
Between；When rotating, the frequency noise that each impact of centrifuge blade 32 snail tongue is produced is inconsistent, at least reduces the rotation of fan blade
Noise 1.5dB.
The utility model uses above-mentioned technical proposal, and the technical scheme is related to base 1 in a kind of centrifugation blade, centrifugation blade
Formed with hydrosphere 2 by ultrasonic bonding.In scheme, base 1 welds the outer end of contact surface 14 provided with welding contact surface 14
It is fastened on the edge of base 1, welding contact surface 14 adds the contact area with soldering tip, so as to increase ultrasonic energy biography
Pass, solder yield more than 25% can be lifted, fan blade binding strength improves 30%.
Claims (4)
1. a kind of centrifugation blade, including base and hydrosphere；The hydrosphere is fixed by welding on Base edge, and base is provided with
Seat chamber, seat chamber is in step, and seat intracavitary portion is provided with the one-level step side that is connected with Base edge, and with one-level step side
The one-level bench floor that face is connected；It is characterized in that：Many block welding contact surfaces, polylith weldering are provided with the accent of the seat chamber
Connect contact surface circumferentially disposed along base；The welding contact surface is horizontal plane, and the outer end of welding contact surface is fastened on bottom
On seat edge, the inner end for welding contact surface is tilted to the clockwise direction of base radial direction.
2. a kind of centrifugation blade according to claim 1, it is characterised in that：Between the base and hydrosphere provided with polylith from
Lobus cardiacus piece, polylith centrifuge blade is along the circumferential rule setting in base center.
3. a kind of centrifugation blade according to claim 2, it is characterised in that：The quantity of the welding contact surface and centrifugation leaf
The quantity of piece is equal, and welding contact surface and centrifuge blade is axially opposing should.
4. a kind of centrifugation blade according to claim 1, it is characterised in that：The width of the welding contact surface is more than one-level
Step side and one-level bench floor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621434761.9U CN206360928U (en) | 2016-12-26 | 2016-12-26 | A kind of centrifugation blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621434761.9U CN206360928U (en) | 2016-12-26 | 2016-12-26 | A kind of centrifugation blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206360928U true CN206360928U (en) | 2017-07-28 |
Family
ID=59377141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621434761.9U Active CN206360928U (en) | 2016-12-26 | 2016-12-26 | A kind of centrifugation blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206360928U (en) |
-
2016
- 2016-12-26 CN CN201621434761.9U patent/CN206360928U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |