CN103982465B - A kind of centrifugal blower impeller inducer assembly - Google Patents
A kind of centrifugal blower impeller inducer assembly Download PDFInfo
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- CN103982465B CN103982465B CN201410241042.4A CN201410241042A CN103982465B CN 103982465 B CN103982465 B CN 103982465B CN 201410241042 A CN201410241042 A CN 201410241042A CN 103982465 B CN103982465 B CN 103982465B
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- impeller
- hole
- breach
- guide sleeve
- air guide
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- 239000000411 inducer Substances 0.000 title claims abstract description 23
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 4
- 230000004308 accommodation Effects 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 3
- 230000003116 impacting effect Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 230000007812 deficiency Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
Abstract
The present invention discloses a kind of centrifugal blower impeller inducer assembly, it to be connected with rotor threads by hold-down bolt and to be compressed by impeller, impacting force can adjust to the impacting force of design, the folding part that lock washer is upwards turned up makes hold-down bolt not rotate, play the effect of anti-rotation, because lock washer is circular, it can be turned up in any direction, not by the impact of locality, then air guide sleeve is covered hold-down bolt, lock washer, after structure after jump ring installs, by on it formed projection and the first breach cooperation so that restriction air guide sleeve rotation, by the window of formation on it and coordinating and then limiting air guide sleeve motion in the vertical direction of clamping part.Centrifugal blower impeller inducer assembly of the present invention has the advantages such as anti-loosing effect is good, air inlet is effective.
Description
Technical field:
The present invention relates to a kind of centrifugal blower impeller inducer assembly, it belongs to field of mechanical technique.
Background technique:
In the gentle suspension centrifugal blower of current magnetic suspension centrifugal blower, flow deflecting cone usually adopts with the Placement of rotor and is threaded, the requirement on machining accuracy of thread connecting mode double thread is high, when the screw thread of flow deflecting cone bottom is connected with rotor threads, need to use spanner to tighten flow deflecting cone, therefore be processed with outer six sides above, larger impact can be had on air-flow like this, be unfavorable for the flowing of air-flow.Simultaneously existingly be threaded by screw thread place cementing and then the object reaching locking thread, but glue can affect dismounting, and tightening torque precision also can be affected.
Therefore, necessary the deficiency solving prior art is improved to prior art.
Summary of the invention:
The object of the invention is for the deficiencies in the prior art, provide a kind of centrifugal blower impeller inducer assembly, it has convenient disassembly and impeller intensity advantages of higher.
The present invention adopts following technological scheme: a kind of centrifugal blower impeller inducer assembly, and it comprises rotor; Be installed on epitrochanterian impeller; Be installed on the jump ring on impeller upper surface; Be installed on the lock washer on jump ring upper surface; Hold-down bolt; Counterweight screws and air guide sleeve, the central shaft hole of described impeller and rotor engagement, the upper-end surface of described impeller is diametrically recessed to form the first breach upper-end surface of impeller being divided into two parts downwards, on the upper-end surface of described impeller, uniform intervals is formed with the screw hole that some above-below directions extend; Described jump ring comprise be provided with the first through hole main part, from the clamping part upwards bending extension of the outer surface of described main part and be formed between described clamping part and with the second breach that the first breach aligns in the vertical direction, the central shaft hole above-below direction of described first through hole and impeller connects; Described lock washer comprises the board body part that is provided with the second through hole and from the projection be snapped in the first breach and the second breach that the lower surface of board body part extends to form downwards, the central shaft hole above-below direction of described second through hole and the first through hole and impeller connects; Screw in the screwed hole of centre being installed on described rotor after the central shaft hole through the second through hole, the first through hole, impeller of the lower end of described hold-down bolt; Described counterweight screws is installed in described screw hole; Described lock washer is also formed with the folding part of being blocked the upper end portion of the hold-down bolt be positioned on described lock washer upper surface; The accommodation section that the structure after installing with hold-down bolt, lock washer, jump ring is consistent is formed in described air guide sleeve, the lower wall surface of described air guide sleeve is formed air guide sleeve is installed on be clasped mutually with described first breach after on impeller so that limit the projection that air guide sleeve rotates, the side wall surface of described air guide sleeve is formed be clasped mutually with described clamping part to limit the window that air guide sleeve moves up and down.
Further, described folding part includes two that are oppositely arranged altogether, and described folding part fastens in the outer-hexagonal plane of hold-down bolt.
Further, described main part is the plectane of hollow shape, and described clamping part includes along the diametric of main part and is distributed in two of the relative both sides of main part, and the end of described clamping part outwards turns down the protuberance being formed and be snapped in described window.
Further, described second breach is formed along another diametric(al) of main part, and described second breach is between two clamping parts.
Further, the second breach of described jump ring is connected with the second through hole.
Further, described board body part is large step-like of the little upper diameter of lower diameter.
The present invention has following beneficial effect:
1). centrifugal blower impeller inducer assembly of the present invention to be connected with rotor threads by hold-down bolt and to be compressed by impeller, impacting force can adjust to the impacting force of design, the folding part that lock washer is upwards turned up makes hold-down bolt not rotate, play the effect of anti-rotation, because lock washer is circular, it can be turned up in any direction, not by the impact of locality;
2). air guide sleeve of the present invention covers hold-down bolt, lock washer, jump ring install after structure after, by projection that it is formed and the cooperation of the first breach and then the rotation of restriction air guide sleeve, by window and the coordinating and then limit air guide sleeve motion in the vertical direction of clamping part of formation it on.
Accompanying drawing illustrates:
Fig. 1 is the mounting structure figure of jump ring and impeller in centrifugal blower impeller inducer assembly of the present invention.
Fig. 2 is the mounting structure figure of lock washer, jump ring and impeller in centrifugal blower impeller inducer assembly of the present invention.
Fig. 3 is the mounting structure figure of counterweight screws, hold-down bolt, lock washer, jump ring and impeller in centrifugal blower impeller inducer assembly of the present invention.
Fig. 4 is the part-structure sectional view of centrifugal blower impeller inducer assembly of the present invention.
Fig. 5 is another part structure sectional view of centrifugal blower impeller inducer assembly of the present invention.
Fig. 6 is the sectional view in centrifugal blower impeller inducer assembly of the present invention.
Fig. 7 is another sectional view in centrifugal blower impeller inducer assembly of the present invention.
Wherein:
1-rotor; 2-impeller; 20-first breach; 21-screw hole; 3-jump ring; 30-main part; 31-clamping part; 310-protuberance; 32-first through hole; 33-second breach; 4-lock washer; 40-second through hole; 41-board body part; 42-is protruding; 43-folding part; 5-hold-down bolt; 50-outer-hexagonal plane; 6-counterweight screws; 7-air guide sleeve; 70-projection; 71-window; 8-key.
Embodiment:
Please refer to shown in Fig. 1 to Fig. 7, centrifugal blower impeller inducer assembly of the present invention comprises rotor 1; Be installed on the impeller 2 on rotor 1; Be installed on the jump ring 3 on impeller 2 upper surface; Lock onto the lock washer 4 on jump ring 3 upper surface; Hold-down bolt 5; Counterweight screws 6 and air guide sleeve 7.
The central shaft hole of impeller 2 matches with rotor 1, and wherein the central shaft hole of impeller 2 and rotor shaft align, and impeller 2 loads to rotor 1 direction, is then mounted on rotor 1 by impeller 2 by key 8.The upper-end surface of impeller 2 is diametrically recessed to form the first breach 20 upper-end surface of impeller 2 being divided into two parts downwards, in these two parts, uniform intervals is formed with the counterweight screws hole 21 that several above-below directions extend.Jump ring 3 comprises the clamping part 31 upwards bending extension being provided with the discoideus main part 30 of the first through hole 32 and the outer surface of main body 30, clamping part 31 includes two, and lay respectively at the relative both sides of main part 30 along the diameter of main part 30, and the end of clamping part 31 outwards turns down formation protuberance 310, in another diametric(al) of main part 30, be formed with the second breach 33 aligned in the vertical direction with the first breach 20 on impeller 2, this second breach 33 is between two clamping parts 31.Lock washer 4 comprise the little upper diameter of lower diameter that is provided with the second through hole 40 large in step-like board body part 41 and from the lower surface of board body part 41 extend to form downwards and the projection 42 be snapped in the first breach 20 and the second breach 33, be butted on impeller 2 by projection 42 being snapped in the first breach 20 and the second breach 33 and then by lock washer 4 and jump ring 3 locking clamp.
Hold-down bolt 5 compression is installed on the lock washer 4 and lower end of hold-down bolt 5 and is arranged in the second through hole 40 successively, first through hole 32, after the central shaft hole of impeller 2, to be tightened mutually with the screw thread on the center bore inner wall of rotor 1 by the screw thread on hold-down bolt 5 and coordinate and then the lower end of hold-down bolt 5 is tightened in the tapped hole of rotor 1, according to actual design need impacting force is adjusted to required impacting force after lock washer 4 upwards turned up form folding part 43, wherein folding part 43 includes relative two and folding part 43 just in time fastens in the outer-hexagonal plane 50 of hold-down bolt 5 altogether, and then hold-down bolt 5 can not be rotated, play the effect of anti-rotation.
Counterweight screws 6 is installed in screw hole 21, and counterweight screws 6 selects number and the position of installation according to actual needs.
Air guide sleeve 7 is the curved circular cone of bus, wherein be formed in air guide sleeve 7 and hold-down bolt 5, lock washer 4, the accommodation section that structure after jump ring 3 installs is consistent, air guide sleeve 7 is formed with the projection 70 being installed on by air guide sleeve 7 and being clasped mutually with the first breach 20 on impeller 2 after on impeller 2, by the cooperation of this projection 70 and the first breach 20 and then the rotation of restriction air guide sleeve 7, on air guide sleeve 7, be also provided with the window 71 be clasped mutually with the protuberance 310 on clamping part 31 simultaneously, by cooperation and then the motion in the vertical direction of restriction air guide sleeve 7 of this window 71 and protuberance 310.
Centrifugal blower impeller inducer assembly of the present invention to be threaded with rotor 1 by hold-down bolt 5 and to be compressed by impeller 2, impacting force can adjust to the impacting force of design, the folding part 43 that lock washer 4 is upwards turned up makes hold-down bolt 5 not rotate, play the effect of anti-rotation, because lock washer 4 is circular, it can be turned up in any direction, not by the impact of locality, then balancing on impeller 2, with counterweight screws 6 balancing, covers air guide sleeve 7 after all installing and just completes.
The above is only the preferred embodiment of the present invention, it should be pointed out that for those skilled in the art, can also make some improvement under the premise without departing from the principles of the invention, and these improvement also should be considered as protection scope of the present invention.
Claims (6)
1. a centrifugal blower impeller inducer assembly, it comprises rotor (1), be installed on the impeller (2) on rotor (1), be installed on the jump ring (3) on impeller (2) upper surface, be installed on the lock washer (4) on jump ring (3) upper surface, hold-down bolt (5), counterweight screws (6) and air guide sleeve (7), it is characterized in that: the central shaft hole of described impeller (2) coordinates with rotor (1), the upper-end surface of described impeller (2) is diametrically recessed to form the first breach (20) upper-end surface of impeller (2) being divided into two parts downwards, on the upper-end surface of described impeller (2), uniform intervals is formed with the screw hole (21) that some above-below directions extend, described jump ring (3) comprise be provided with the first through hole (32) main part (30), from the clamping part (31) upwards bending extension of the outer surface of described main part (30) and be formed between described clamping part (31) and with the second breach (33) that the first breach (20) aligns in the vertical direction, described first through hole (32) and the central shaft hole above-below direction of impeller (2) connect, described lock washer (4) comprises the board body part (41) being provided with the second through hole (40) and the projection (42) be snapped in the first breach (20) and the second breach (33) extended to form from the lower surface of board body part (41) downwards, and the central shaft hole above-below direction of described second through hole (40) and the first through hole (32) and impeller (2) connects, screw in the screwed hole of centre being installed on described rotor (1) after the central shaft hole through the second through hole (40), the first through hole (32), impeller (2) of the lower end of described hold-down bolt (5), described counterweight screws (6) is installed in described screw hole (21), described lock washer (4) is also formed with the folding part (43) of being blocked the upper end portion of the hold-down bolt (5) be positioned on described lock washer (4) upper surface, be formed in described air guide sleeve (7) and hold-down bolt (5), lock washer (4), the accommodation section that structure after jump ring (3) installs is consistent, the lower wall surface of described air guide sleeve (7) is formed air guide sleeve (7) is installed on impeller (2) upper after be clasped mutually with described first breach (20) so that limit the projection (70) that air guide sleeve (7) rotates, the side wall surface of described air guide sleeve (7) is formed be clasped mutually with described clamping part (31) to limit the window (71) that air guide sleeve (7) moves up and down.
2. centrifugal blower impeller inducer assembly as claimed in claim 1, it is characterized in that: described folding part (43) include two that are oppositely arranged altogether, described folding part (43) fasten in the outer-hexagonal plane (50) of hold-down bolt (5).
3. centrifugal blower impeller inducer assembly as claimed in claim 2, it is characterized in that: the plectane that described main part (30) is hollow shape, described clamping part (31) includes along the diametric of main part (30) and is distributed in two of the relative both sides of main part (30), and the end of described clamping part (31) outwards turns down formation and is snapped in protuberance (310) in described window (71).
4. centrifugal blower impeller inducer assembly as claimed in claim 3, it is characterized in that: described second breach (33) is formed along another diametric(al) of main part (30), and described second breach (33) is positioned between two clamping parts (31).
5. centrifugal blower impeller inducer assembly as claimed in claim 4, is characterized in that: second breach (33) of described jump ring (3) is connected with the second through hole (32).
6. centrifugal blower impeller inducer assembly as claimed in claim 5, is characterized in that: described board body part (41) is large step-like of little upper diameter in lower diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410241042.4A CN103982465B (en) | 2014-05-30 | 2014-05-30 | A kind of centrifugal blower impeller inducer assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410241042.4A CN103982465B (en) | 2014-05-30 | 2014-05-30 | A kind of centrifugal blower impeller inducer assembly |
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| Publication Number | Publication Date |
|---|---|
| CN103982465A CN103982465A (en) | 2014-08-13 |
| CN103982465B true CN103982465B (en) | 2016-01-06 |
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| CN201410241042.4A Active CN103982465B (en) | 2014-05-30 | 2014-05-30 | A kind of centrifugal blower impeller inducer assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2936182C (en) | 2015-07-24 | 2023-08-15 | Pratt & Whitney Canada Corp. | Mid-turbine frame spoke cooling system and method |
| US10247035B2 (en) | 2015-07-24 | 2019-04-02 | Pratt & Whitney Canada Corp. | Spoke locking architecture |
| CN106438495A (en) * | 2016-11-21 | 2017-02-22 | 南京磁谷科技有限公司 | Deflection cone structure of draught fan |
| CN108679309A (en) * | 2017-12-21 | 2018-10-19 | 太仓昂泽威建筑工程材料有限公司 | A kind of adjustable installing bracket |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6290467B1 (en) * | 1999-12-03 | 2001-09-18 | American Standard International Inc. | Centrifugal impeller assembly |
| DE10101165C2 (en) * | 2001-01-12 | 2003-06-05 | Man B & W Diesel Ag | Fastening device for a radially flowed compressor wheel |
| CN201747671U (en) * | 2010-05-19 | 2011-02-16 | 杭州振兴工业泵制造有限公司 | Impeller and shaft connection structure of turbine compressor |
| DE102010039889A1 (en) * | 2010-08-27 | 2012-03-01 | Man Diesel & Turbo Se | Device for torque-transmitting, releasable fixing of compressor wheel to drive shaft of turbo machine, has tubular-shaped fitting clamp having inner and outer surfaces which are formed in circumferential direction with constant curvature |
| CN202280663U (en) * | 2011-10-15 | 2012-06-20 | 重庆美的通用制冷设备有限公司 | Coupling structure for impeller and gear shaft of centrifugal compressor |
| CN102619781A (en) * | 2012-04-09 | 2012-08-01 | 三一能源重工有限公司 | Device and method for connecting impeller with shaft of compressor |
| CN203560167U (en) * | 2013-09-29 | 2014-04-23 | 中国北车集团大连机车研究所有限公司 | Connection structure for impeller and spindle of centrifugal air compressor |
| CN203892249U (en) * | 2014-05-30 | 2014-10-22 | 南京磁谷科技有限公司 | Ventilation impeller assembly of centrifugal blower |
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| CN103982465A (en) | 2014-08-13 |
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Denomination of invention: Wind guide impeller assembly of centrifugal blower Effective date of registration: 20160912 Granted publication date: 20160106 Pledgee: Bank of Beijing, Limited by Share Ltd, Nanjing branch Pledgor: Nanjing CIGU Limited Corporation Registration number: 2016320000014 |
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Denomination of invention: Wind guide impeller assembly of centrifugal blower Effective date of registration: 20171019 Granted publication date: 20160106 Pledgee: Bank of Beijing, Limited by Share Ltd, Nanjing branch Pledgor: Nanjing CIGU Limited Corporation Registration number: 2017320000042 |
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Denomination of invention: Wind guide impeller assembly of centrifugal blower Effective date of registration: 20180322 Granted publication date: 20160106 Pledgee: Bank of Beijing, Limited by Share Ltd, Nanjing branch Pledgor: Nanjing CIGU Limited Corporation Registration number: 2018320000031 |
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Denomination of invention: Wind guide impeller assembly of centrifugal blower Effective date of registration: 20190521 Granted publication date: 20160106 Pledgee: Bank of Beijing, Limited by Share Ltd, Nanjing branch Pledgor: Nanjing CIGU Limited Corporation Registration number: 2019320000238 |
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Address after: No. 99, Jinxin Middle Road, Jiangning District, Nanjing City, Jiangsu Province Patentee after: Nanjing Cigu Technology Co., Ltd Address before: Nine No. 211102 Bamboo Road, Jiangning Development Zone, Nanjing, Jiangsu, 100 Patentee before: NANJING CIGU LIMITED Corp. |
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