CN204140481U - A kind of centrifugal fan shaft seal structure - Google Patents
A kind of centrifugal fan shaft seal structure Download PDFInfo
- Publication number
- CN204140481U CN204140481U CN201420604030.9U CN201420604030U CN204140481U CN 204140481 U CN204140481 U CN 204140481U CN 201420604030 U CN201420604030 U CN 201420604030U CN 204140481 U CN204140481 U CN 204140481U
- Authority
- CN
- China
- Prior art keywords
- bearing
- ball
- cover
- main shaft
- gear
- 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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- Rolling Contact Bearings (AREA)
Abstract
The utility model relates to sealing configuration, particularly relates to a kind of centrifugal fan shaft seal structure.The utility model comprises the bearing and main shaft that match, bearing is fixed on housing by bearing (ball) cover, bearing (ball) cover has the hole of matching with main shaft, bearing (ball) cover outer end has groove with main shaft cooperation place, groove is provided with the Sealing closely surrounding main shaft, Sealing is fixed on bearing (ball) cover by Gland, bearing (ball) cover is inner keep off whelk mother being provided with main shaft cooperation place, gear whelk mother matches with main shaft, and an end face contacts with bearing, other end and bearing (ball) cover interior edge face have gap, bearing (ball) cover the inner is provided with boss, gear whelk mother has at circumferencial direction the extension part covered by boss, boss has gap with the oily nut extension of gear.The utility model good sealing effect, structure are simple, easy for installation.
Description
Technical field
The utility model relates to sealing configuration, particularly relates to a kind of centrifugal fan shaft seal structure.
Background technique
Centrifugal blower is modern industrial enterprises a kind of standard equipment widely; at present; the seal elements such as the large multiplex packing seal of shaft seal of centrifugal blower or reinforced seal; because filler and seal element main seal lean on the close contact of Sealing and axle to realize sealing; axle and Sealing operationally just have relative movement, and equipment long-play will cause Sealing and axle to wear and tear and leakage of oil, need to shut down and could process; leakage of oil and to environment, also affects the safe operation of equipment.
Model utility content
Technical problem to be solved in the utility model is: provide the centrifugal fan shaft seal structure that a kind of good sealing effect, structure are simple, easy for installation.
The technological scheme adopted for solving the problems of the technologies described above the utility model is: a kind of centrifugal fan shaft seal structure, comprise the bearing and main shaft that match, bearing is fixed on housing by bearing (ball) cover, bearing (ball) cover has the hole of matching with main shaft, bearing (ball) cover outer end has groove with main shaft cooperation place, groove is provided with the Sealing closely surrounding main shaft, Sealing is fixed on bearing (ball) cover by Gland, bearing (ball) cover is inner keep off whelk mother being provided with main shaft cooperation place, gear whelk mother matches with main shaft, and an end face contacts with bearing, other end and bearing (ball) cover interior edge face have gap, bearing (ball) cover the inner is provided with boss, gear whelk mother has at circumferencial direction the extension part covered by boss, boss has gap with the oily nut extension of gear.
Further: the hole that bearing (ball) cover matches with main shaft is provided with spiral chute.
Further: gear whelk mother is provided with spill port.
Further: Sealing is malthoid or reinforced seal.
Further: the connection between bearing (ball) cover and housing, the connection between Gland and bearing (ball) cover are screw and connect.
The beneficial effects of the utility model are: by arranging the oily nut extension of gear and the inner boss of bearing (ball) cover, oil of avoiding splashing in a large number enters shaft seal gap, flow to the oil in shaft seal gap under centrifugal action, by be arranged on the female and bearing (ball) cover of gear whelk inner between gap throw away, further be provided with spiral chute in the hole that bearing (ball) cover matches with main shaft, prevent the part oil from flowing out along main shaft, be provided with spill port gear whelk mother, strengthen oil return effect.The utility model good sealing effect, structure are simple, easy for installation, and blower fan can be made greatly to extend service cycle, have both saved a large amount of lubricant oil; greatly reduce amount of maintenance; serve energy-saving and cost-reducing effect, the equipment that turn avoid is shut down because of leakage of oil, improves manufacturing efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Component, position and numbering in figure: 1-bearing, 2-main shaft, 3-bearing (ball) cover, 4-housing, 5-Sealing, 6-Gland, 7-keep off whelk mother, 31-hole, 32-groove, 33-boss, 71-spill port.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, the utility model comprises the bearing 1 and main shaft 2 that match, bearing 1 is fixed on housing 4 by bearing (ball) cover 3, bearing (ball) cover 3 has the hole 31 of matching with main shaft 2, bearing (ball) cover 3 outer end has groove 32 with main shaft 2 cooperation place, groove 32 is provided with the Sealing 5 closely surrounding main shaft 2, Sealing 5 is fixed on bearing (ball) cover 3 by Gland 6, bearing (ball) cover 3 the inner keeps off whelk mother 7 being provided with main shaft 2 cooperation place, gear whelk female 7 is matched with main shaft 2, and an end face contacts with bearing 1, other end and bearing (ball) cover 3 interior edge face have gap, bearing (ball) cover 3 the inner is provided with boss 33, gear whelk mother 7 has at circumferencial direction the extension part covered by boss 33, boss 33 has gap with female 7 extension parts of gear whelk.Sealing 5 is malthoid or reinforced seal.
The utility model is by arranging female 7 extension parts of gear whelk and the inner boss 33 of bearing (ball) cover 3, oil of avoiding splashing in a large number enters shaft seal gap, flow to the oil in shaft seal gap under centrifugal action, thrown away by the gap be arranged between gear whelk female 7 and bearing (ball) cover 3 the inner, gear whelk mother 7 plays fastening bearing 1 simultaneously.Sealing 5 is malthoid or reinforced seal, and after preventing blower fan stall, leakage of oil and dust enter bearing chamber.The utility model good sealing effect, structure are simple, easy for installation.
As to improvement of the present utility model, the hole 31 that bearing (ball) cover 3 matches with main shaft 2 is provided with spiral chute, can prevent the part oil from flowing out along main shaft.
As to improvement of the present utility model, keep off whelk mother 7 and be provided with spill port 71, flow to the oil in shaft seal gap under centrifugal action, can throw away from this hole, strengthen oil return effect.
As to improvement of the present utility model, the connection between bearing (ball) cover 3 and housing 4, connection between Gland 6 and bearing (ball) cover 3 are screw and connect, and easy installation and removal, is conducive to changing component such as Sealing 5 grade.
Claims (5)
1. a centrifugal fan shaft seal structure, comprise the bearing (1) and main shaft (2) that match, described bearing (1) is fixed on housing (4) by bearing (ball) cover (3), described bearing (ball) cover (3) has the hole (31) of matching with main shaft (2), described bearing (ball) cover (3) outer end has groove (32) with main shaft (2) cooperation place, described groove (32) is provided with the Sealing (5) closely surrounding main shaft (2), described Sealing (5) is fixed on bearing (ball) cover (3) by Gland (6), it is characterized in that: described bearing (ball) cover (3) is inner keeps off whelk mother (7) being provided with main shaft (2) cooperation place, described gear whelk mother (7) is matched with main shaft (2), and an end face contacts with bearing (1), other end and bearing (ball) cover (3) interior edge face have gap, described bearing (ball) cover (3) the inner is provided with boss (33), described gear whelk mother (7) has the extension part covered by boss (33) at circumferencial direction, described boss (33) has gap with gear whelk mother (7) extension part.
2. a kind of centrifugal fan shaft seal structure as claimed in claim 1, is characterized in that: the hole (31) that described bearing (ball) cover (3) matches with main shaft (2) is provided with spiral chute.
3. a kind of centrifugal fan shaft seal structure as claimed in claim 1, is characterized in that: described gear whelk mother (7) is provided with spill port (71).
4. a kind of centrifugal fan shaft seal structure as claimed in claim 1, is characterized in that: described Sealing (5) is malthoid or reinforced seal.
5. a kind of centrifugal fan shaft seal structure as claimed in claim 1, is characterized in that: the connection between described bearing (ball) cover (3) and housing (4), connection between described Gland (6) and bearing (ball) cover (3) are screw and connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420604030.9U CN204140481U (en) | 2014-10-17 | 2014-10-17 | A kind of centrifugal fan shaft seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420604030.9U CN204140481U (en) | 2014-10-17 | 2014-10-17 | A kind of centrifugal fan shaft seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204140481U true CN204140481U (en) | 2015-02-04 |
Family
ID=52417170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420604030.9U Expired - Fee Related CN204140481U (en) | 2014-10-17 | 2014-10-17 | A kind of centrifugal fan shaft seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204140481U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106246570A (en) * | 2016-08-15 | 2016-12-21 | 镇江市丹徒区粮机厂有限公司 | The most extraordinary a kind of centrifugal blower |
| CN106907316A (en) * | 2015-12-23 | 2017-06-30 | 上海连成（集团）有限公司 | A kind of pump |
| CN109210176A (en) * | 2018-09-24 | 2019-01-15 | 江苏悦达专用车有限公司 | A kind of connection structure of transmission case body and transmission shaft |
| CN109962561A (en) * | 2017-12-26 | 2019-07-02 | 东京零件工业股份有限公司 | Motor |
-
2014
- 2014-10-17 CN CN201420604030.9U patent/CN204140481U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106907316A (en) * | 2015-12-23 | 2017-06-30 | 上海连成（集团）有限公司 | A kind of pump |
| CN106246570A (en) * | 2016-08-15 | 2016-12-21 | 镇江市丹徒区粮机厂有限公司 | The most extraordinary a kind of centrifugal blower |
| CN109962561A (en) * | 2017-12-26 | 2019-07-02 | 东京零件工业股份有限公司 | Motor |
| CN109210176A (en) * | 2018-09-24 | 2019-01-15 | 江苏悦达专用车有限公司 | A kind of connection structure of transmission case body and transmission shaft |
| WO2020063454A1 (en) * | 2018-09-24 | 2020-04-02 | 江苏悦达专用车有限公司 | Connection structure of case body and transmission shaft of transmission case |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150204 Termination date: 20171017 |