CN2908877Y - Quickly dismounting connection mechanism of fan vane - Google Patents
Quickly dismounting connection mechanism of fan vane Download PDFInfo
- Publication number
- CN2908877Y CN2908877Y CN 200620113329 CN200620113329U CN2908877Y CN 2908877 Y CN2908877 Y CN 2908877Y CN 200620113329 CN200620113329 CN 200620113329 CN 200620113329 U CN200620113329 U CN 200620113329U CN 2908877 Y CN2908877 Y CN 2908877Y
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- CN
- China
- Prior art keywords
- axis
- cover
- cone
- taper hole
- impeller
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- 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 - Lifetime
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Abstract
The utility model relates to a blower impeller quick mounting and dismounting coupling mechanism, which comprises a blower impeller. Holes of a coupling flange are fixed with outer side of a conical hole sleeve, the impeller is connected with the coupling flange and the conical hole sleeve, a conical axis sleeve is in the conical hole sleeve and enclosed on a shaft of the blower. The utility model has the advantages of that the utility model is extremely easy and quick to be assembled and disassembled, and assembly or disassembly can be completed in a few minutes accurately and easily however large or small the blower is; no locking occurs and rejection of blowers resulting from locking is effectively prevented, in addition, the impeller can be cleaned or adjusted at any moment to ensure fitting accuracy of the impeller, thereby significantly improving service life of the fan.
Description
Technical field:
The utility model relates to a kind of coupling mechanism for quick assembling and disassembling of fan impeller, belongs to the draught fan impeller component assembly and makes the field.
Background technique:
The draught fan impeller coupling mechanism is at present: columniform blower fan axle directly cooperates with the tie-plate of cylindrical bore.The method of assembling be with press add that machine is pressed or manually hammering squeeze into.Its deficiency: the one, having relatively high expectations of fit tolerance is generally H7/K6, if a certain parts standard not up to standard, will be loosening because of connecting, influence the use of blower fan, even can not use, or because of the cooperation tension, and the assembling difficulty, even can not assemble; The 2nd, when blower fan uses, its impeller has situations such as distortion, wearing and tearing, wearing and tearing, after destroying its balance, often need dismounting reparation, but influenced by high speed torsion, thermal distortion, corrosion etc., original just very tight cooperation is become to be difficult to separate more, even pull down by force, also must must repair axle and hole at every turn.In the time can't dismantling, just the whole typhoon machine of declaration is scrapped, and feels the work of difficulty when being to use organizational maintenance most.
Summary of the invention:
Purpose of design: avoid the deficiency in the background technique, design and a kind ofly not only assemble, dismantle simple and efficient, and can clean, proofread and correct impeller at any time, eliminate locking, prolong the fan blade coupling mechanism for quick assembling and disassembling of fan impeller in working life.
Design proposal: draught fan impeller must connect with the blower fan axle, can the generation effect after power engine drives, and coupling mechanism therebetween is most important for the runnability of convenience, reliability and even the blower fan of loading and unloading.How to solve this technical barrier effectively, be key point of the present utility model.In order to realize above-mentioned purpose of design.1, adopting tapered sleeve coupling and connecting mode to directly apply to the connection of draught fan impeller and wind axis axle, is one of feature of the present utility model.Because the high synchronism of the conical surface of tapered sleeve coupling assembling quality of fit is that other connecting mode is incomparable, therefore can not produce to connect and become flexible, under any circumstance can not influence the use of blower fan, can both keep the quality of fit of draught fan impeller simultaneously from start to finish.2, axis of cone cover radially has the design of degree of tightness seam, is two of feature of the present utility model.Purpose is: it can make the variation that external diameter produces trace in it, realizes the purpose of assembling fast and dismounting.Be embodied in: behind the pine of before the assembling and top, interior external diameter all slightly enlarges, and makes endoporus can easily be enclosed within or withdraw from the blower fan axle; After the assembling, the wedge on tapering mating face is pressed the degree of tightness seam is narrowed down, and endoporus dwindles, and tightly embraces the blower fan axle.3, the male cone (strobilus masculinus) place of matching of the inner conical surface of taper hole cover and axis of cone cover is provided with half screw and is rotary with the design of lock screw in half screw, is three of feature of the present utility model.Since half of half screw in taper hole on, second half puts in the axis of cone, so lock screw is screwed in half screw, just can avoid taper hole to overlap effectively and the relatively rotating of axis of cone inner room.4, the male cone (strobilus masculinus) place of matching of the inner conical surface of taper hole cover and axis of cone cover is provided with that half is threaded, the design of half not threaded dismounting screw, is four of feature of the present utility model.Since be positioned at taper hole cover place partly to dismantle screw not threaded, therefore inoperative to screw, and the screw of partly dismantling that is positioned at axis of cone cover place is threaded, therefore when the screw screw-in is partly dismantled in the screw, as long as the Rotating with Uniform screw can easily eject draught fan impeller by turns.Its technological scheme: coupling mechanism for quick assembling and disassembling of fan impeller, it comprises draught fan impeller (1), the dish hole of tie-plate (2) and taper hole cover (3) outside are affixed, impeller (1) is connected with taper hole cover (3) with tie-plate (2), axis of cone cover (4) is positioned at taper hole cover (3), and axis of cone cover (4) is enclosed within on the blower fan axle (5).
The utility model is compared with background technique, and the one, assembly and disassembly is extremely easy, quick, and blower fan size no matter can be accurately in several minutes, easily finish; The 2nd, locking phenomenon can not appear, the phenomenon of having avoided the blower fan locking to scrap effectively; The 3rd, can clean at any time, proofread and correct impeller, guaranteed the draught fan impeller quality of fit, greatly prolonged the working life of blower fan.
Description of drawings:
Fig. 1 is a draught fan impeller side-looking structural representation.
Fig. 2 is the main TV structure schematic representation of Fig. 1.
Embodiment:
Embodiment 1: with reference to attached Fig. 1 and 2.Coupling mechanism for quick assembling and disassembling of fan impeller, it comprises draught fan impeller 1, it is affixed that the dish hole of tie-plate 2 and taper hole overlap 3 outsides, impeller 1 is connected with taper hole cover 3 with tie-plate 2, axis of cone cover 4 is positioned at taper hole cover 3, and axis of cone cover 4 inserts taper hole gently and overlaps 3 endoporus, and is enclosed within together on the blower fan axle 5 that key 8 is housed.Axis of cone cover 4 is enclosed within on the blower fan axle 5, and axis of cone cover 4 radially has degree of tightness seam 9.Tie-plate 2 plays coupling draught fan impeller 1 and taper hole cover 3, and it is riveted or welding manner with can adopting connecting of draught fan impeller 1; Tie-plate 2 adopts the high strength welding manner with connecting of taper hole cover 3.The coaxial shape and size that need that are processed into of the blank of tie-plate 2 and taper hole cover 3 welding backs become a middle connected body.Draught fan impeller 1 becomes the integral body that can load and unload with the outer rim of being overlapped the 3 middle connected bodies of forming by tie-plate 2 and taper hole with what rivet or weld fastening connection of mode.The male cone (strobilus masculinus) of the inner conical surface of taper hole cover 3 and axis of cone cover 4 matches.Taper hole cover 3 and axis of cone cover 4 are complete tapering couplings, and they have the internal taper hole and the male cone (strobilus masculinus) of identical tapering, closely wedging with separate fast.The male cone (strobilus masculinus) place of matching of the inner conical surface of taper hole cover 3 and axis of cone cover 4 is provided with half screw and is rotary with lock screw 6 (inner conical surface of taper hole cover 3 and the axis of cone overlap 4 the male cone (strobilus masculinus) place of matching is provided with that half is threaded, half not threaded dismounting screw 7) in half screw, accurately behind the location, lock screw 6 evenly is screwed into taper hole cover 3 and the axis of cone by turns overlaps half screw between 4 seams, reach and promptly accuse assembling behind the specified torsion and finish.Axis of cone cover 4 and 5 on blower fan axle are provided with key 8.Disassembly sequence: the lock screw 6 of back-outing, utilization wherein two screws are screwed into dismounting screw 7, rotate the even application of force, can easily eject draught fan impeller; The taper hole cover 3 and the axis of cone are overlapped 4 assembly and disassembly principles: the corresponding position of the excircle of the interior circle of taper hole cover end face and axis of cone cover end face is provided with array half screw, when wherein assembling, the half unthreaded hole combination that half screw that puts for taper hole that lock screw is occupied and the axis of cone put, one step is arranged at its top, lock screw is the high strength socket head screw, the head of socket head screw is exerted pressure to step during assembling, and axis of cone cover is compressed to the taper hole cover.The dismounting screw is half unthreaded hole that half screw that puts of the axis of cone and taper hole put, and its pattern is same as described above.During dismounting, the head of socket head screw is exerted pressure to step, and two top pines are separated.The effect of degree of tightness seam is prolonged on the axis of cone jacket wall and is radially offered a seam, makes the variation that external diameter can produce trace in it, and behind the pine of before the assembling and top, interior external diameter all slightly enlarges, and makes endoporus can easily put or withdraw from the blower fan axle; After the assembling, the wedge on tapering mating face is pressed, and the degree of tightness seam is narrowed down, and endoporus dwindles, and tightly embraces the blower fan axle.
Need to prove: though the foregoing description is to the utility model detailed explanation of contrasting; but these explanations are just illustrative to the utility model; rather than to restriction of the present utility model; any innovation and creation that do not exceed in the utility model connotation all fall in the protection domain of the present utility model.
Claims (6)
1, a kind of coupling mechanism for quick assembling and disassembling of fan impeller, it comprises draught fan impeller (1), it is characterized in that: the dish hole of tie-plate (2) and taper hole cover (3) outside are affixed, impeller (1) is connected with taper hole cover (3) with tie-plate (2), axis of cone cover (4) is positioned at taper hole cover (3), and axis of cone cover (4) is enclosed within on the blower fan axle (5).
2, coupling mechanism for quick assembling and disassembling of fan impeller according to claim 1 is characterized in that: the male cone (strobilus masculinus) of the inner conical surface of taper hole cover (3) and axis of cone cover (4) matches.
3, coupling mechanism for quick assembling and disassembling of fan impeller according to claim 1 and 2 is characterized in that: the male cone (strobilus masculinus) place of matching of the inner conical surface of taper hole cover (3) and axis of cone cover (4) is provided with half screw and is rotary with lock screw (6) in half screw.
4, coupling mechanism for quick assembling and disassembling of fan impeller according to claim 1 is characterized in that: axis of cone cover (4) radially has degree of tightness seam (9).
5, coupling mechanism for quick assembling and disassembling of fan impeller according to claim 1 is characterized in that: the male cone (strobilus masculinus) place of matching of the inner conical surface of taper hole cover (3) and axis of cone cover (4) is provided with that half is threaded, half not threaded dismounting screw (7).
6, coupling mechanism for quick assembling and disassembling of fan impeller according to claim 1 is characterized in that: be provided with key (8) between axis of cone cover (4) and blower fan axle (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620113329 CN2908877Y (en) | 2006-04-29 | 2006-04-29 | Quickly dismounting connection mechanism of fan vane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620113329 CN2908877Y (en) | 2006-04-29 | 2006-04-29 | Quickly dismounting connection mechanism of fan vane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2908877Y true CN2908877Y (en) | 2007-06-06 |
Family
ID=38128088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620113329 Expired - Lifetime CN2908877Y (en) | 2006-04-29 | 2006-04-29 | Quickly dismounting connection mechanism of fan vane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2908877Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705250A (en) * | 2012-06-25 | 2012-10-03 | 北京北机机电工业有限责任公司 | Minitype centrifugal fan |
| CN109695589A (en) * | 2018-12-28 | 2019-04-30 | Tcl空调器(中山)有限公司 | A kind of adapter and air conditioner |
-
2006
- 2006-04-29 CN CN 200620113329 patent/CN2908877Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705250A (en) * | 2012-06-25 | 2012-10-03 | 北京北机机电工业有限责任公司 | Minitype centrifugal fan |
| CN109695589A (en) * | 2018-12-28 | 2019-04-30 | Tcl空调器(中山)有限公司 | A kind of adapter and air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070606 |
|
| EXPY | Termination of patent right or utility model |