CN203023129U - High-tightness air inlet of air blower - Google Patents
High-tightness air inlet of air blower Download PDFInfo
- Publication number
- CN203023129U CN203023129U CN 201220731621 CN201220731621U CN203023129U CN 203023129 U CN203023129 U CN 203023129U CN 201220731621 CN201220731621 CN 201220731621 CN 201220731621 U CN201220731621 U CN 201220731621U CN 203023129 U CN203023129 U CN 203023129U
- Authority
- CN
- China
- Prior art keywords
- air inlet
- tightness
- blower
- air
- intake grill
- 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 discloses a high-tightness air inlet of an air blower. The high-tightness air inlet comprises an air inlet body, wherein pressure rings are fixedly connected to the two sides of the air inlet body by fastening bolts; and aluminum sealing plates are embedded in the connected parts of the air inlet body and the pressure rings. The high-tightness air inlet of the air blower has the characteristics of being simple in structure and convenient to operate. A gap between an impeller inlet and the air inlet is reduced greatly, so that the tightness is improved, reflux loss is reduced, and the efficiency of the air blower is improved. Meanwhile, the high-tightness air inlet of the air blower is easy to change and low in maintenance cost.
Description
Technical field
The utility model relates to centrifugal blower, blower industry, is specifically related to a kind of high leak tightness blower inlet.
Background technique
For centrifugal blower for, the factor that determines its efficient mainly contains two losses greatly: wheel dropping loss and return loss; Intake grill is a kind of flow guide device that medium enters impeller, and intake grill is static element with for the blower ventilator of intake grill for common, and always there are the gap in itself and impeller intersection.This gap considers that in the Fan Product of routine processing, running thermal expansion cause mutual frictional influence to wait safely factor, and is all larger.And the larger return loss herein of this gap is also larger, thereby directly has influence on the efficient of blower.
The model utility content
The model utility purpose: the utility model provides a kind of high leak tightness blower inlet in order to solve the prior art deficiency.
Technological scheme: a kind of high leak tightness blower inlet, comprise the intake grill body, described intake grill body both sides are fixedly connected with pressure ring by fastening screw trip bolt.
As preferably, the number of described pressure ring is 2.
As preferably, described intake grill body and pressure ring joint are embedded with diaphragm seal, and described diaphragm seal is the aluminium diaphragm seal.
Beneficial effect: the utlity model has simple in structure, easy to operate characteristics, greatly reduce the gap of impeller eye and intake grill, improved sealing, reduced return loss, improved the efficient of blower fan, be easy to simultaneously change, maintenance cost is low.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model specific embodiment is described in detail:
As shown in Figure 1, a kind of high leak tightness blower inlet comprises intake grill body 1, and intake grill body 1 both sides are fixedly connected with pressure ring 3 by fastening screw trip bolt 2; The number of pressure ring 3 is 2; Intake grill body 1 is embedded with diaphragm seal 4 with pressure ring 3 joints, and diaphragm seal 4 is the aluminium diaphragm seal.
Because diaphragm seal 4 adopts aluminium flake, can substantially contact with impeller mouth circle place during installation, guaranteed minimum gap; Because aluminium material is softer, even if there is the initial stage that the friction of a little is arranged, can not produce the accident of blocking yet, can not produce spark simultaneously, applicable to the explosion hazard gases blower; Simultaneously, sealing has the multiple tracks structure, has formed labyrinth structure, is the pressurized gas decompression step by steps, has reduced leakage, has guaranteed the effect of sealing; Through getting final product long-term work after the test run break-in, if need replacing also very convenient, only need fastening screw trip bolt 2 is unloaded after sealing sheet 4 is installed, take off pressure ring 3, change diaphragm seal 4 and get final product, and do not need to change whole intake grill.
The above is only preferred implementation of the present utility model; be noted that for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (3)
1. a high leak tightness blower inlet, comprise intake grill body (1), it is characterized in that: described intake grill body (1) both sides are fixedly connected with pressure ring (3) by fastening screw trip bolt (2).
2. a kind of high leak tightness blower inlet according to claim 1, it is characterized in that: the number of described pressure ring (3) is 2.
3. a kind of high leak tightness blower inlet according to claim 1 is characterized in that: described intake grill body (1) is embedded with diaphragm seal (4) with pressure ring (3) joint, and described diaphragm seal (4) is the aluminium diaphragm seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220731621 CN203023129U (en) | 2012-12-27 | 2012-12-27 | High-tightness air inlet of air blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220731621 CN203023129U (en) | 2012-12-27 | 2012-12-27 | High-tightness air inlet of air blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203023129U true CN203023129U (en) | 2013-06-26 |
Family
ID=48647118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220731621 Expired - Fee Related CN203023129U (en) | 2012-12-27 | 2012-12-27 | High-tightness air inlet of air blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203023129U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111706549A (en) * | 2020-06-18 | 2020-09-25 | 重庆通用工业(集团)有限责任公司 | An explosion-proof sealing structure for centrifugal fan impeller and air inlet |
-
2012
- 2012-12-27 CN CN 201220731621 patent/CN203023129U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111706549A (en) * | 2020-06-18 | 2020-09-25 | 重庆通用工业(集团)有限责任公司 | An explosion-proof sealing structure for centrifugal fan impeller and air inlet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130626 Termination date: 20131227 |