CN1058331C - Centrifugal impeller of air blast gin with poising nut - Google Patents
Centrifugal impeller of air blast gin with poising nut Download PDFInfo
- Publication number
- CN1058331C CN1058331C CN94104028A CN94104028A CN1058331C CN 1058331 C CN1058331 C CN 1058331C CN 94104028 A CN94104028 A CN 94104028A CN 94104028 A CN94104028 A CN 94104028A CN 1058331 C CN1058331 C CN 1058331C
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- China
- Prior art keywords
- clamping part
- balancer weight
- blade
- air feeder
- vane wheel
- 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.)
- Expired - Fee Related
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- 238000005452 bending Methods 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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Abstract
本发明涉及装有平衡重的送风机叶轮，所述叶轮的单元叶轮由安装成环状的多个叶片，且在所述部分叶片上安装平衡重组成，将平衡重构成在所述叶片的内、外表面上、沿垂直于叶片面方面的不面对面的3个接触部位形成接触、夹持叶片的同时，使平衡重的至少一个端部沿叶片面形成S状，具有能使平衡修正工时减少，且易实现制造、安装自动化、和使送风特性优良等效果。
The invention relates to a blower impeller equipped with a balance weight. The unit impeller of the impeller is composed of a plurality of ring-shaped blades, and a balance weight is installed on the part of the blades. The balance weight is formed inside the blades. On the outer surface, contact is formed along the three non-face-to-face contact parts perpendicular to the blade surface, and at the same time when the blade is clamped, at least one end of the balance weight is formed into an S shape along the blade surface, which can reduce the balance correction man-hour. Moreover, it is easy to realize the effects of automation of manufacture and installation, and excellent air supply characteristics.
Description
The present invention relates to be equipped with the air feeder vane wheel of balancer weight.
As everyone knows, for the air feeder vane wheel of usefulness such as air conditioner, making with the turning axle is that the impeller whole machine balancing clamping at center is good, and the vibration that as far as possible suppresses to follow revolution to produce is very important.Measure in the past for example is the technology that makes rivet clasp after insertion mouthful wide correction balancer weight is installed on the blade of impeller with fitter's tool.In addition, after the balancer weight that the part that has except the concave side of arc section blade is wrapped into from convex side is contained on the blade before, make also practicability of fixing balancing technique at the position coating adhesive that balancer weight is installed.In addition, make the clamping part of balancer weight member of clamping blade at interval big than the thickness of balancer weight member, at two positions on the inside and outside surface of blade with the balancer weight technology of blade clamping also practicability (as U.S.P3,315,750,4,025,231 patent documentations such as grade disclose).
Yet the 1st above-mentioned conventional case is owing to when being installed in balancer weight on the air feeder vane wheel, needing the rivet clasp operation, thereby have the problem of manufacture view.In addition, above-mentioned the 2nd conventional case, exist in the problem that must improve chucking power after the balancer weight of installing by adhesive-applying, because this balancer weight is shaped as and easily tangles shape mutually, this becomes a big obstacle that improves air feeder vane wheel output, in addition simultaneously, above-mentioned the 3rd conventional case is tangled the shape except its balancer weight is shaped as the phase reciprocity, because balancer weight is only at the blade of two position clamping air feeder vane wheels, thereby exists a little less than the chucking power, the problem of displacement easily takes place.In addition, owing to the balancer weight that is installed on the air feeder vane wheel was considered to owe week to the influence of fan resistance, thereby the air-supply characteristic relevant with noise, air quantity etc. of the air feeder vane wheel that balancer weight is installed descended. in the past
Therefore, the present invention just for address the above problem, purpose is to provide makes that clamping is reliable, the little and installation to the air-supply properties influence, the air feeder vane wheel that balancer weight is housed easy to manufacture.
The air feeder vane wheel of balancer weight is housed according to the present invention, the unit impeller of described impeller is made up of a plurality of blades that are mounted to ring-type side by side and the balancer weight of installing on described part of vane blade, described balancer weight by with the one side of described blade on two A of place and an end of contacted the 1st clamping part of B, one end and described the 1st clamping part fuse,
Constitute with contacted the 2nd clamping part of the C of place on the another side of described blade, become along perpendicular to the not aspectant 3 contact position A of described blade face direction, B, C with described blade clamping.
In addition, the present invention also makes the 1st clamping part end of above-mentioned balancer weight along leaving the 2nd clamping part direction bending, and the 2nd clamping part end is along leaving the 1st clamping part direction bending.
In addition, the present invention also makes the 1st clamping part of above-mentioned balancer weight extend along above-mentioned blade face direction when balancer weight is installed on blade.
In addition, it is shorter than the 1st clamping part that the present invention also constitutes the 2nd clamping part that makes balancer weight.
And then the present invention also constitutes the edge, the 1st clamping part end that makes balancer weight and leaves the 2nd clamping part direction bending, when making edge, the 2nd clamping part end leave the bending of the 1st clamping part side, makes the 2nd clamping part shorter than the 1st clamping part.
The effect of above-mentioned structure is as described below.
Form the 1st clamping part that contacts by two contact position that balancer weight constituted on the side that is included in blade, be in along perpendicular to the non-face-to-face position of blade face direction with contact position with the 1st clamping part in the another side of blade, form the 2nd clamping part that contacts with a position of space certain distance between two contact position of the 1st clamping part, and connect an end of the 1st clamping part and an end of the 2nd clamping part, the joint that the 1st clamping part is linked to each other with the 2nd clamping part elasticity, because this balancer weight contacts with blade at above-mentioned 3, thereby make balancer weight be difficult to be offset along the installation direction and the straight vertical generation of blade, and owing to the blade installation balancer weight time, save rivet clasp operation or coating adhesive operation, thereby can provide anufacturability good air feeder vane wheel.
And because the 1st clamping part end by making balancer weight along leaving the 2nd clamping direction bending, makes the 2nd clamping part along leaving the 1st clamping part direction bending, thereby make that balancer weight is installed is easier on blade, can further improve the anufacturability of air feeder vane wheel.
Moreover, because when balancer weight is installed on blade, at least extend along the blade face direction clamping part end that makes balancer weight, can suppress the fan resistance that causes because of balancer weight as far as possible, thereby air-supply characteristic good, the air feeder vane wheel that noise is suppressed can be provided.
In addition, make the 2nd clamping part of balancer weight shorter than the 1st clamping part by formation, with owing to make the roomy mount inlet that becomes between the 1st clamping part end and the 2nd clamping part end when balancer weight is installed on blade, can make the anufacturability that on blade installation balancer weight is easier, can further improve air feeder vane wheel in view of the above.
Simple declaration to accompanying drawing.
Fig. 1 is equipped with the shaft side figure of the air feeder vane wheel of balancer weight for one embodiment of the invention,
Fig. 2 is the sectional drawing that is installed in balancer weight on the air feeder vane wheel shown in Figure 1,
Fig. 3 is an air feeder vane wheel major component amplification profile shown in Figure 1.
Followingly describe with reference to the air feeder vane wheel of accompanying drawing to the installation balancer weight of one embodiment of the invention.Use cross flow fan as air feeder vane wheel herein.
As shown in Figure 1, have blade 2, on partial blade 2, be installed as balance cross flow fan 1, be the balancer weight 3 of the amount of unbalance at center with the running shaft as the cross flow fan 1 of air feeder vane wheel.
Fig. 2 is the sectional drawing that is installed in the balancer weight 3 on the blade 2, Fig. 3 represents balancer weight to be installed in the state on the blade 2, as Fig. 2, shown in Figure 3, this balancer weight 3 has the 1st clamping part 3a, the 2nd clamping part 3b and make this 1st clamping part 3a have elasticity with the 2nd clamping part 3b and the joint 3c that links to each other face-to-face.
And, make the 1st clamping part 3a end 3d along away from the 2nd clamping part 3b direction bending, the end 3e of the 2nd clamping part 3b is along away from the 1st clamping part direction bending, can make like this to the installation on the blade 2 and also be easy to make installation automation on blade 2 easily.
Moreover the end 3d by making the 1st clamping part 3a forms the S shape along the face of blade 2, can suppress the generation that produces disorder and noise along the air-flow on 2 in the blade as far as possible.In addition, the S shape head portion on the end 3d of the 1st clamping part 3a is formed the extending direction X be positioned at relative blade 2 ± 45 ° in.Like this, when carrying out on blade 2 balancer weight 3 being installed, the end 3d of this S shape plays the guide plate effect.
In addition, make the 1st clamping part 3a of balancer weight 3 and the 2nd clamping part 3b face-to-face between interval 4 narrower slightly than the thickness of slab 5 of balancer weight 3, can make balancer weight 3 obtain big chucking power with this kind structure.And, since constitute balancer weight 3 and be be positioned on the 1st clamping part 3a two point of contact A, B and therewith point of contact A and B be in along perpendicular to blade face direction position and be in and be touched an A and B is clipped in the middle, is positioned at a point of contact C on the 2nd clamping part 3b and forms leg-of-mutton three blades 2 of naming a person for a particular job and keep face-to-face, be difficult to make balancer weight 3 relative blades 2 to be offset.
And, make the 2nd clamping part 3b of balancer weight 3 shorter than the 1st clamping part 3a by formation, therefore, when carrying out balancer weight installed on blade 2, can easily blade 2 be inserted in the 1st clamping part 3a and the wide interval between the 2nd clamping part 3b of balancer weights 3.
Be with the end 3d formation S shape of the 1st clamping part 3a in the present embodiment, make the 2nd clamping part 3b shorter, but the present invention can be not limited to such structure than the 1st clamping part 3a.
By above explanation as can be known the present invention by make balancer weight by two positions on blade one side form the contact the 1st clamping part, on the another side of blade, be in the edge, contact position of the 1st clamping part not face-to-face perpendicular to the blade face direction, form the 2nd clamping part of contact in a contact position that is clipped in the middle by two contact position of the 1st clamping part, and connect an end of the 1st clamping part and an end of the 2nd clamping part, the joint that makes the 1st clamping part have elasticity with the 2nd clamping part and link to each other face-to-face constitutes, because balancer weight contacts with blade at above-mentioned not aspectant 3, thereby make balancer weight be difficult to be offset, carrying out saving rivet clasp or coating adhesive operation when balancer weight installed on blade, thus can provide anufacturability good air feeder vane wheel.
In addition, by with the 1st clamping part end of balancer weight along away from the 2nd clamping part direction bending, with the 2nd clamping part end along away from the 1st clamping part direction bending, thereby it is easier that balancer weight is installed on blade, further improves the air feeder vane wheel anufacturability.
Because of by when balancer weight is installed on blade, at least one clamping part end of balancer weight is extended along the blade face direction again, can suppress the fan resistance that causes because of balancer weight as far as possible, thereby can provide the air-supply characteristic good, can suppress the air feeder vane wheel of noise.
And then, owing to make the 2nd clamping part of balancer weight shorter than the 1st clamping part by formation, make the big mount inlet that becomes between the 1st clamping part end and the 2nd clamping part end when balancer weight installed on blade, in view of the above, can make on blade that balancer weight is installed is easier, further improve the anufacturability of air feeder vane wheel.
Claims (5)
1. air feeder vane wheel that balancer weight is housed, the unit impeller of described impeller is by a plurality of blades (2) that are mounted to ring-type side by side, the balancer weight (3) of installing on described part of vane blade is formed, it is characterized in that described balancer weight (3) is by two A of place and contacted the 1st clamping part of B (3a) on two contact position and described blade one side, and the contact position of described the 1st clamping part stagger mutually and be between two contact position of described the 1st clamping part the position and contacted the 2nd clamping part of a C of place (3b) on the another side of described blade, and flexibly connect an end of described the 1st clamping part and the 2nd clamping part so that the flexibly mutual opposed joint of described the 1st clamping part and the 2nd clamping part (3c) one formation.
2. air feeder vane wheel according to claim 1, the end that does not link to each other with described the 2nd clamping part of the 1st clamping part that it is characterized in that making balancer weight (3) makes the 2nd clamping part along leaving 1 clamping part direction bending along leaving the 2nd clamping part direction bending.
3. air feeder vane wheel according to claim 1 is characterized in that when balancer weight (3) is installed on blade (2) a clamping part end of above-mentioned balancer weight (3) being extended along the blade face direction.
4. air feeder vane wheel according to claim 1, the 2nd clamping part (3b) that it is characterized in that constituting balancer weight (3) is shorter than the 1st clamping part (3a).
5. air feeder vane wheel according to claim 2, above-mentioned the 2nd clamping part (3b) that it is characterized in that constituting balancer weight (3) is shorter than the 1st clamping part (3a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94104028A CN1058331C (en) | 1994-04-04 | 1994-04-04 | Centrifugal impeller of air blast gin with poising nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94104028A CN1058331C (en) | 1994-04-04 | 1994-04-04 | Centrifugal impeller of air blast gin with poising nut |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1094795A CN1094795A (en) | 1994-11-09 |
| CN1058331C true CN1058331C (en) | 2000-11-08 |
Family
ID=5031390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94104028A Expired - Fee Related CN1058331C (en) | 1994-04-04 | 1994-04-04 | Centrifugal impeller of air blast gin with poising nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1058331C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106801680A (en) * | 2015-11-26 | 2017-06-06 | 吉林雷赞风机制造有限公司 | A kind of novel centrifugal type firefighting fan |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4025231A (en) * | 1975-11-26 | 1977-05-24 | Revcor, Inc. | Propeller fan construction |
| US5011374A (en) * | 1987-11-17 | 1991-04-30 | General Electric Company | Method and apparatus for balancing turbine rotors |
| US5236306A (en) * | 1991-07-03 | 1993-08-17 | Licentia Patent-Verwaltungs-Gmbh | Axial blower for cooling the condenser of an air conditioner |
-
1994
- 1994-04-04 CN CN94104028A patent/CN1058331C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4025231A (en) * | 1975-11-26 | 1977-05-24 | Revcor, Inc. | Propeller fan construction |
| US5011374A (en) * | 1987-11-17 | 1991-04-30 | General Electric Company | Method and apparatus for balancing turbine rotors |
| US5236306A (en) * | 1991-07-03 | 1993-08-17 | Licentia Patent-Verwaltungs-Gmbh | Axial blower for cooling the condenser of an air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1094795A (en) | 1994-11-09 |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |