CN204327586U - Centrifugal blower slip ring regulation structure - Google Patents
Centrifugal blower slip ring regulation structure Download PDFInfo
- Publication number
- CN204327586U CN204327586U CN201420731444.8U CN201420731444U CN204327586U CN 204327586 U CN204327586 U CN 204327586U CN 201420731444 U CN201420731444 U CN 201420731444U CN 204327586 U CN204327586 U CN 204327586U
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- Prior art keywords
- slip ring
- nut
- wind
- collection cover
- ring
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Abstract
The utility model proposes a kind of centrifugal blower slip ring regulation structure, comprise and be arranged on slip ring on casing front side plate, slip ring adopts arc-shaped structure, the outer end that described slip ring comprises wind-collection cover described in wind-collection cover is to uncovered horn-like of outer arcuate, the inner of wind-collection cover is fixed with flange, medial axis in described wind-collection cover is provided with rectification cap, between wind-collection cover inwall and rectification cap outer wall, is provided with several support plate; Wind-collection cover outer end outside rectification cap arranges dust-proof cover; Also comprise the controlling device be located on slip ring, described controlling device comprises the Adjusting ring of band handle, and Adjusting ring is fixed on slip ring by briquetting connecting bolt, nut; Described briquetting is positioned on Adjusting ring, and described connecting bolt runs through briquetting, Adjusting ring and slip ring to be fixed by nut.The utility model effectively can guide distinguished and admirablely smooth-goingly enter air channel by arranging rectification cap, can effectively prevent foreign material from entering air channel by arranging dust-proof cover.It can be widely used on various blower fan.
Description
Technical field
The utility model relates to ventilator, refers to a kind of centrifugal blower slip ring regulation structure especially.
Background technique
Import slip ring is the important accessory of blower fan, forms tapered runner together with streamlined windscreen, and air-flow is accelerated at this, before the import of blower fan, set up uniform velocity field and pressure field, improves fan efficiency to reduce flow losses.Because gas flow rate in slip ring is little, pipe range is shorter, and flow losses own are little, generally can meet the uniform flow field of condition for import and guaranteed efficiency.
At present, existing slip ring is all generally the tubular closed up gradually from air intake to outlet air end, and arranges a ring-type flanging at air intake, mainly by adopting air intake to arrange ring-type flanging to reduce fabricating cost; But the tubular structure closed up gradually, is unfavorable for the distinguished and admirable guiding of intake grill.
In addition, the front end of impeller intake grill is located at by import slip ring, and blower fan is in assembly process, and the size that impeller and import slip ring need be regulated to contain mouth gap meets design requirement, and when ensureing fan operation, performance reaches design load.But existing centrifugal blower, slip ring and impeller cannot adjust containing mouth gap in the process of assembling, and can not meet design requirement; In the process used, the performance of blower fan cannot ensure, easily collides between slip ring and impeller simultaneously, easy to wear, reduces the working life of blower fan.
Model utility content
The utility model proposes a kind of centrifugal blower slip ring regulation structure, not only can lead to air inlet distinguished and admirable, but also can effectively prevent foreign material from entering air channel, easy to operate, structure is simple; Meanwhile, regulate quickly and easily between impeller and import slip ring containing mouth gap.
The technical solution of the utility model is achieved in that a kind of centrifugal blower slip ring regulation structure, comprise and be arranged on slip ring on casing front side plate, described slip ring adopts arc-shaped structure, the outer end that described slip ring comprises wind-collection cover described in wind-collection cover is to uncovered horn-like of outer arcuate, the inner of described wind-collection cover is fixed with flange, medial axis in described wind-collection cover is provided with rectification cap, between described wind-collection cover inwall and rectification cap outer wall, is provided with several support plate; Wind-collection cover outer end outside described rectification cap arranges dust-proof cover;
Also comprise the controlling device be located on slip ring, described controlling device comprises the Adjusting ring of band handle, and described Adjusting ring is fixed on slip ring by briquetting connecting bolt, nut; Described briquetting is positioned on Adjusting ring, and described connecting bolt runs through briquetting, Adjusting ring and slip ring to be fixed by nut.
Wherein, described casing front side plate has the rectangular mounting hole for mounting nuts cutting ferrule, and described nut is arranged in nut cutting ferrule, and described nut cutting ferrule is arranged on casing front side plate by nut cutting ferrule mounting hole.
Particularly, the both sides of described nut cutting ferrule are provided with nut shoulder block, leave gap between described nut and nut shoulder block.
Further, described dust-proof cover is hemispherical dome structure.
Compared with prior art, the beneficial effects of the utility model are: effectively can guiding distinguished and admirablely smooth-goingly enter air channel by arranging rectification cap, can effectively prevent foreign material from entering air channel by arranging dust-proof cover.It can be widely used on various blower fan.In addition, structure is simple, easy to operate, unclamp nut and regulate Adjusting ring by handle, Adjusting ring is manual upper and lower, movable slip ring after adjusting pine, ensure that the mouth gap that contains between slip ring and impeller reaches standard-required, after mixing up containing mouth gap, then fastening nut, thus ensure that the performance of blower fan, improve the working life of blower fan.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model;
In Fig. 2 the utility model, slip ring partly cuts open schematic diagram;
The structural representation of slip ring controlling device in Fig. 3 the utility model;
Fig. 4 is the partial enlarged drawing at A position in Fig. 1.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
See Fig. 1 to Fig. 4, a kind of centrifugal blower slip ring 1 regulation structure, comprise wind-collection cover 4, described slip ring 1 adopts arc-shaped structure, the outer end of described wind-collection cover 4 is to uncovered horn-like of outer arcuate, the inner of described wind-collection cover 4 is fixed with flange 5, and the medial axis in described wind-collection cover 4 is provided with rectification cap 6, between described wind-collection cover 4 inwall and rectification cap 6 outer wall, be provided with several support plate 2; Wind-collection cover 4 outer end outside described rectification cap 6 arranges dust-proof cover 3.Wind-collection cover 4 outer end is to uncovered horn-like of outer arcuate, the inner of wind-collection cover 4 by arranging large flange 5 so that dock with air channel; By the support plates 2 of more than 2, rectification cap 6 is arranged on the medial axis in wind-collection cover 4, effectively can guides distinguished and admirablely smooth-goingly enter air channel by arranging rectification cap 6.The interior outer end configuration of described support plate 2 matches with rectification cap 6 outer wall and wind-collection cover 4 inwall respectively, and installs along wind-collection cover 4 longitudinal middle axis, to reduce windage.Also dust-proof cover 3 can being set in wind-collection cover 4 outer end be positioned at outside rectification cap 6, can effectively preventing foreign material from entering air channel by arranging dust-proof cover 3.Described dust-proof cover 3 can adopt mild steel wire to be formed by weaving, and intermittently welds in its periphery, is made into the round shape structure matched with wind-collection cover 4 inwall.
Also comprise the controlling device be located on slip ring 1, described controlling device comprises the Adjusting ring 8 of band handle 7, and described Adjusting ring 8 is fixed on slip ring 1 by briquetting 11 connecting bolt, nut; Described briquetting 11 is positioned on Adjusting ring 8, and described connecting bolt runs through briquetting 11, Adjusting ring 8 and slip ring 1 to be fixed by nut.The utility model effectively can guide distinguished and admirablely smooth-goingly enter air channel by arranging rectification cap 6, can effectively prevent foreign material from entering air channel by arranging dust-proof cover 3.It can be widely used on various blower fan.Structure is simple, easy to operate, unclamp nut and regulate Adjusting ring 8 by handle 7, Adjusting ring 8 is manual upper and lower, movable slip ring 1 after adjusting pine, ensure that the mouth gap that contains between slip ring 1 and impeller reaches standard-required, after mixing up containing mouth gap, fastening nut again, thus the performance that ensure that blower fan, improve the working life of blower fan.
Adjusting ring 8 is fixed on air intake cylinder by briquetting 11 attachment bolt, nut, handle 7 is welded on Adjusting ring 8, in blower fan assembly process, when need to regulate between slip ring 1 and impeller containing mouth gap time, unscrew nut, move Adjusting ring 8 by handle 7, then up and down, move forward and backward slip ring 1, ensure to reach standard-required containing mouth gap.After mixing up containing mouth gap, finally nut screwing clamping.Whole process operation gets up easily, and impeller and slip ring 1 also easily ensure containing mouth gap, thus ensure that the performance of blower fan.
Wherein, described slip ring 1 is arranged on casing front side plate 12.Described casing front side plate 12 has the rectangular mounting hole 14 for mounting nuts cutting ferrule 15, and described nut is arranged in nut cutting ferrule 15, and described nut cutting ferrule 15 is arranged on casing front side plate 12 by nut cutting ferrule mounting hole 14.Because nut cutting ferrule 15 is arranged on casing front side plate 12 by nut cutting ferrule mounting hole 14, casing front side plate 12 does not need welding, and therefore casing front side plate 12 can not produce welding deformation and welding stress; Because nut cutting ferrule 15 can move in rectangular mounting hole, therefore can adjust according to the error of reality in assembly process, adjustment range is large, is easy to ensure, containing mouth radial dimension, to meet assembling demand; Can change nuts and bolt very easily after stripped thread corrosion appears in screw bolt and nut, maintenance easily.When mounted, owing to having certain gap between nut and nut shoulder block, therefore after bolt is by bolt mounting holes 13 and nut cutting ferrule mounting hole 14, be easy to be connected with nut screw connection.Then, travelling nut cutting ferrule 15 in nut cutting ferrule mounting hole 14, meets the requirements containing mouth dimension delta with the radial direction of impeller to adjust slip ring 1.
Further, the both sides of described nut cutting ferrule 15 are provided with nut shoulder block, leave gap between described nut and nut shoulder block.The cooperation facilitating screw bolt and nut is installed.
Further, described briquetting 11 is positioned on Adjusting ring 8, and described connecting bolt runs through briquetting 11, Adjusting ring 8 and slip ring 1 to be fixed by nut.Be convenient to dismounting, install, be convenient to regulate.
Described dust-proof cover 3 is hemispherical dome structure, is conducive to ponding and discharges to surrounding.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. a centrifugal blower slip ring regulation structure, comprise and be arranged on slip ring on casing front side plate, it is characterized in that: described slip ring adopts arc-shaped structure, described slip ring comprises wind-collection cover, the outer end of described wind-collection cover is to uncovered horn-like of outer arcuate, the inner of described wind-collection cover is fixed with flange, the medial axis in described wind-collection cover is provided with rectification cap, between described wind-collection cover inwall and rectification cap outer wall, be provided with several support plate; Wind-collection cover outer end outside described rectification cap arranges dust-proof cover;
Also comprise the controlling device be located on slip ring, described controlling device comprises the Adjusting ring of band handle, and described Adjusting ring is fixed on slip ring by briquetting connecting bolt, nut; Described briquetting is positioned on Adjusting ring, and described connecting bolt runs through briquetting, Adjusting ring and slip ring to be fixed by nut.
2. centrifugal blower slip ring regulation structure according to claim 1, it is characterized in that: described casing front side plate has the rectangular mounting hole for mounting nuts cutting ferrule, described nut is arranged in nut cutting ferrule, and described nut cutting ferrule is arranged on casing front side plate by nut cutting ferrule mounting hole.
3. centrifugal blower slip ring regulation structure according to claim 2, is characterized in that: the both sides of described nut cutting ferrule are provided with nut shoulder block, leave gap between described nut and nut shoulder block.
4. centrifugal blower slip ring regulation structure according to claim 1, is characterized in that: described dust-proof cover is hemispherical dome structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420731444.8U CN204327586U (en) | 2014-11-27 | 2014-11-27 | Centrifugal blower slip ring regulation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420731444.8U CN204327586U (en) | 2014-11-27 | 2014-11-27 | Centrifugal blower slip ring regulation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204327586U true CN204327586U (en) | 2015-05-13 |
Family
ID=53163953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420731444.8U Expired - Fee Related CN204327586U (en) | 2014-11-27 | 2014-11-27 | Centrifugal blower slip ring regulation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204327586U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022062043A1 (en) * | 2020-09-25 | 2022-03-31 | 佛山市顺德区美的洗涤电器制造有限公司 | Centrifugal fan and range hood |
-
2014
- 2014-11-27 CN CN201420731444.8U patent/CN204327586U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022062043A1 (en) * | 2020-09-25 | 2022-03-31 | 佛山市顺德区美的洗涤电器制造有限公司 | Centrifugal fan and range hood |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20181127 |
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| CF01 | Termination of patent right due to non-payment of annual fee |