CN204239338U - For the outlet regulating device of centrifugal blower - Google Patents
For the outlet regulating device of centrifugal blower Download PDFInfo
- Publication number
- CN204239338U CN204239338U CN201420577262.XU CN201420577262U CN204239338U CN 204239338 U CN204239338 U CN 204239338U CN 201420577262 U CN201420577262 U CN 201420577262U CN 204239338 U CN204239338 U CN 204239338U
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- CN
- China
- Prior art keywords
- plate shell
- centrifugal blower
- regulating device
- gear
- outlet regulating
- 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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Abstract
The utility model relates to the one composition structure of bulging pressure fan, refer to a kind of outlet regulating device for centrifugal blower especially, comprise plate shell, plate shell is covered with set casing, described plate shell is provided with and is uniformly distributed in ring and through multiple stator rotating shafts of plate shell, one end of stator rotating shaft is equipped with driven gear, and the other end is equipped with exit guide blade; Described plate shell is provided with the gear ring all engaged with multiple driven gear, gear ring is connected with the control mechanism that can order about it and rotate, and the utility model structure is simple, is easy to install; In addition, the utility model adopts gear transmission to drive exit guide blade to rotate, and changes stator angle, and gear transmission can make adjustment more accurate, stable, the flow pressure ratio better realizing centrifugal blower regulates, thus drum pressure fan is run more efficiently.
Description
Technical field
The utility model relates to the one composition structure of bulging pressure fan, refers to a kind of outlet regulating device for centrifugal blower especially.
Background technique
At present, gas compression can be increased the pressure of gas by centrifugal blower, obtains using more and more widely in the fields such as sewage treatment, desulfurization, metallurgy.In the prior art, for the outlet regulating device of centrifugal blower, mainly adopt four-bar linkage, ball twist and sprocket driving realize, degree of regulation is low, complex structure, manufacture cost are high, Installation and Debugging not easily.
Model utility content
The utility model makes improvements for above-mentioned prior art Problems existing, proposes a kind of outlet regulating device for centrifugal blower, and this device degree of regulation is high, structure simple, is easy to installment and debugging.
The technical solution of the utility model is achieved in that a kind of outlet regulating device for centrifugal blower, comprise plate shell, plate shell is covered with set casing, described plate shell is provided with and is uniformly distributed in ring and through multiple stator rotating shafts of plate shell, one end of stator rotating shaft is equipped with driven gear, and the other end is equipped with exit guide blade; Described plate shell is provided with the gear ring all engaged with multiple driven gear, gear ring is connected with the control mechanism that can order about it and rotate.
Adopt technique scheme, regulate ring gear against rotation by control mechanism, ring gear against rotation makes driven gear transmission, and driven gear rotates simultaneously and exit guide blade is rotated simultaneously, so change all outlet ports stator angle, thus changes exit flow angle.
Improve as one, described control mechanism comprises the bevel rack be fixed on gear ring and the final controlling element be arranged on set casing, the output terminal of described final controlling element is provided with the bevel gear engaged with described bevel rack, the output terminal of final controlling element controls bevel gear and rotates, thus drives gear ring to rotate by bevel rack.
Further, described final controlling element is fixed on the sidewall of described set casing by support, and the output terminal of final controlling element is connected with the driving shaft through described support and described set casing, and described bevel gear is arranged on driving shaft, the output terminal of final controlling element drives driving shaft to rotate, thus bevel gear is rotated.
Improve as one, described plate shell is fixed with several piece and limits the spacing compressing tablet that described gear ring moves axially.
Further, described bevel rack two ends arrange the described spacing compressing tablet limiting its slewing area respectively, namely limit the slewing area of gear ring, thus the maximum opening of the stator that restricts export and when exit guide blade cuts out protection exit stator do not clash into damage mutually.
Preferred as one, described plate shell is provided with 9-19 described stator rotating shaft.
The utility model has following beneficial effect: the utility model structure is simple, is easy to install; In addition, the utility model adopts gear transmission to drive exit guide blade to rotate, and changes stator angle, and gear transmission can make adjustment more accurate, stable, the flow pressure ratio better realizing centrifugal blower regulates, thus drum pressure fan is run more efficiently.
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 a kind of structural representation of an outlet regulating device embodiment when not being mounted with shell for centrifugal blower of the utility model;
Fig. 2 is a kind of structural representation of outlet regulating device when being equipped with set casing for centrifugal blower in Fig. 1;
Fig. 3 is a kind of rear view of outlet regulating device when being equipped with set casing for centrifugal blower 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.
A kind of outlet regulating device for centrifugal blower as shown in Figure 1 to Figure 3, comprise plate shell 1, plate shell 1 is covered with set casing 12, and set casing 12 is spliced by two pieces of housings, and set casing 12 has mounting hole.Plate shell 1 is provided with and is uniformly distributed in ring and through 10 stator rotating shafts 2 of plate shell 1,10 stator rotating shafts 2 are all equal apart from the distance at plate shell 1 center, one end of each stator rotating shaft 2 is equipped with driven gear 3 by key, and the other end is equipped with exit guide blade 4 by screw and pin; Plate shell 1 is provided with the gear ring 5 all engaged with multiple driven gear 3, gear ring 5 is connected with the control mechanism that can order about it and rotate.
Concrete, control mechanism comprises the bevel rack 6 be bolted on gear ring 5 and the final controlling element 7 be arranged on set casing 12, the output terminal of final controlling element 7 is provided with the bevel gear 9 engaged with bevel rack 6, the output terminal of final controlling element 7 controls bevel gear 9 and rotates, final controlling element 7 is fixed on the sidewall of set casing 12 by support 10, the output terminal of final controlling element 7 is connected with the driving shaft 8 through support 10 and set casing 12, set casing 12 and driving shaft 8 cooperation place are provided with bearing, bevel gear 9 is arranged on driving shaft 8 by key, above-mentioned final controlling element 7 is receiving control informations apply the device of control action to controll plant in automation equipment, the utility model adopts common final controlling element 7.
Come off to prevent gear ring 5; as shown in Figure 1; plate shell 1 is fixed with 4 pieces of 4 spacing compressing tablets 11 limiting gear rings 5 and move axially by screw; wherein 2 pieces of spacing compressing tablets 11 are arranged on the two ends of bevel rack 9; for limiting the slewing area of bevel rack 9; namely limit the slewing area of gear ring 5, thus the maximum opening of the stator 4 that restricts export and when exit guide blade 4 cuts out protection exit stator 4 do not clash into damage mutually, the quantity of obvious spacing compressing tablet 11 can regulate according to gear ring 5 size.
Above-mentioned stator rotating shaft 2 adopts key to be connected with driven gear 3, due to gear-driven particularity, according to the quantity of driven gear 3, choose this suitable driven gear 3 and the velocity ratio of bull gear 5 by calculating, can avoid joining making keyway, make installation more simple and convenient.
In actual using process, according to demand, plate shell 1 can be provided with 9-19 stator rotating shaft 2.
In this device, plate shell 1 is installed on the body of centrifugal blower by set casing 12, when needs regulate time, exit guide blade 4 can be regulated to achieve the goal, regulative mode is specially: adjusting actuator 7 drives driving shaft 8 and cone tooth to rotate, bevel gear 9 drives bevel rack 6 to rotate, thus drives gear ring 5 to rotate, when gear ring 5 rotates, drive all driven gears 3 to rotate together, thus reach the object regulating exit guide blade 4.
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 (6)
1. the outlet regulating device for centrifugal blower, comprise plate shell, plate shell is covered with set casing, be characterised in that: described plate shell is provided with and is uniformly distributed in ring and through multiple stator rotating shafts of plate shell, one end of stator rotating shaft is equipped with driven gear, and the other end is equipped with exit guide blade; Described plate shell is provided with the gear ring all engaged with multiple driven gear, gear ring is connected with the control mechanism that can order about it and rotate.
2. according to the outlet regulating device for centrifugal blower according to claim 1, it is characterized in that: described control mechanism comprises the bevel rack be fixed on gear ring and the final controlling element be arranged on set casing, and the output terminal of described final controlling element is provided with the bevel gear engaged with described bevel rack.
3. according to the outlet regulating device for centrifugal blower according to claim 2, it is characterized in that: described final controlling element is fixed on the sidewall of described set casing by support, the output terminal of final controlling element is connected with the driving shaft through described support and described set casing, and described bevel gear is arranged on driving shaft.
4. according to the outlet regulating device for centrifugal blower according to claim 2, it is characterized in that: described plate shell is fixed with several piece and limits the spacing compressing tablet that described gear ring moves axially.
5. according to the outlet regulating device for centrifugal blower according to claim 4, it is characterized in that: described bevel rack two ends are respectively arranged with the described spacing compressing tablet limiting its slewing area.
6. according to the outlet regulating device for centrifugal blower according to claim 1, it is characterized in that: described plate shell is provided with 9-19 described stator rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420577262.XU CN204239338U (en) | 2014-09-30 | 2014-09-30 | For the outlet regulating device of centrifugal blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420577262.XU CN204239338U (en) | 2014-09-30 | 2014-09-30 | For the outlet regulating device of centrifugal blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204239338U true CN204239338U (en) | 2015-04-01 |
Family
ID=52768840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420577262.XU Expired - Fee Related CN204239338U (en) | 2014-09-30 | 2014-09-30 | For the outlet regulating device of centrifugal blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204239338U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106351883A (en) * | 2016-10-11 | 2017-01-25 | 重庆通用工业(集团)有限责任公司 | Inlet adjusting device for centrifugal drum pressure fan |
| CN106438482A (en) * | 2016-09-30 | 2017-02-22 | 宁波方太厨具有限公司 | Volute and centrifugal fan using same |
| CN106640762A (en) * | 2017-01-19 | 2017-05-10 | 江苏大学 | Pump station vortex-proof intelligent guiding device |
| CN107165867A (en) * | 2017-06-06 | 2017-09-15 | 珠海格力电器股份有限公司 | A kind of diffuser structure |
| CN110917846A (en) * | 2019-10-24 | 2020-03-27 | 浙江特富锅炉有限公司 | Novel desulfurization synergy device |
| US10823198B2 (en) | 2016-10-24 | 2020-11-03 | Carrier Corporation | Diffuser for a centrifugal compressor and centrifugal compressor having the same |
-
2014
- 2014-09-30 CN CN201420577262.XU patent/CN204239338U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438482A (en) * | 2016-09-30 | 2017-02-22 | 宁波方太厨具有限公司 | Volute and centrifugal fan using same |
| CN106351883A (en) * | 2016-10-11 | 2017-01-25 | 重庆通用工业(集团)有限责任公司 | Inlet adjusting device for centrifugal drum pressure fan |
| US10823198B2 (en) | 2016-10-24 | 2020-11-03 | Carrier Corporation | Diffuser for a centrifugal compressor and centrifugal compressor having the same |
| CN106640762A (en) * | 2017-01-19 | 2017-05-10 | 江苏大学 | Pump station vortex-proof intelligent guiding device |
| CN106640762B (en) * | 2017-01-19 | 2018-11-30 | 江苏大学 | A kind of intelligent guiding device of the anti-vortex of pumping plant |
| CN107165867A (en) * | 2017-06-06 | 2017-09-15 | 珠海格力电器股份有限公司 | A kind of diffuser structure |
| CN110917846A (en) * | 2019-10-24 | 2020-03-27 | 浙江特富锅炉有限公司 | Novel desulfurization synergy device |
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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: 20150401 Termination date: 20210930 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |