CN202165300U - Bearing dust-proof and water-proof structure for submerged pump - Google Patents
Bearing dust-proof and water-proof structure for submerged pump Download PDFInfo
- Publication number
- CN202165300U CN202165300U CN2011202601353U CN201120260135U CN202165300U CN 202165300 U CN202165300 U CN 202165300U CN 2011202601353 U CN2011202601353 U CN 2011202601353U CN 201120260135 U CN201120260135 U CN 201120260135U CN 202165300 U CN202165300 U CN 202165300U
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- China
- Prior art keywords
- bearing
- proof
- connecting tube
- transmission shaft
- under water
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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 - Fee Related
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Abstract
The utility model relates to the field of bearing dust-proof and water-proof structures in upper bearing seats of submerged pumps, and particularly to a bearing dust-proof and water-proof structure for a submerged pump. In the bearing dust-proof and water-proof structure, a motor coupler is installed at the extension part of a motor shaft; a pump coupler is installed on a transmission shaft; a connecting seat is connected with a base plate; an upper bearing seat is connected with a connecting pipe; a bearing gland is used for pressing and covering the upper bearing seat; lock nuts are installed on the transmission shaft; an upper skeleton oil seal is arranged between the lock nuts and the bearing gland; the lock nuts are locked on small round nuts; the small round nuts are locked on a bearing; the bearing is installed in the upper bearing seat; a lower skeleton oil seal is arranged between a bearing retainer ring and the upper bearing seat; and an O-type seal ring is arranged between the upper bearing seat and the connecting pipe. The bearing dust-proof and water-proof structure for the submerged pump is capable of being water-proof and dust-proof through the upper skeleton oil seal, avoids the spillage of lubricant through the lower skeleton oil seal, and prolongs the service life of the bearing.
Description
Technical field
The utility model Under Water Pumps relates to the bearing dustproof and waterproof structure field in the Under Water Pumps upper bearing bracket with bearing dustproof and waterproof structure.
Background technique
Bearing in the upper bearing bracket used of Under Water Pumps did not have the dustproof and waterproof structure in the past, and bearing is easy to damage, and in order to guarantee bearing good Environmental Conditions is arranged, and the bearing of then tackling in the upper bearing bracket installs the dustproof and waterproof structure additional, so that prolong bearing working life.
Summary of the invention
The purpose of the utility model provides a kind of Under Water Pumps with bearing dustproof and waterproof structure; Through between bearing gland and locking nut, installing the upper skeleton oil sealing additional; Can prevent dust effectively, rainproof water intrusion is in the bearing of upper bearing bracket; Between upper bearing bracket and end ring, install the lower skeleton oil sealing additional, can guarantee that the lubricating grease of bearing is difficult for running off, prolong the bearing purpose in working life to reach.
Under Water Pumps is with bearing dustproof and waterproof structure, and motor coupler is installed on the motor shaft extension, and the pump coupling is installed on the transmission shaft; Connection seat is connected with base plate, and the upper bearing bracket between connection seat and base plate is connected with connecting tube, and bearing gland is fitted on the upper bearing bracket; And be crimped on the bearing outer ring upper end, and between locking nut that outside the transmission shaft upper end, is equipped with and the bearing gland upper skeleton oil sealing being installed, locking nut is locked on the little round nut; The little round nut that is installed on the transmission shaft is locked in the bearing inner race upper end; The bearing inner race lower end is installed on the bearing interstage sleeve, and the bearing interstage sleeve is sleeved on the transmission shaft, and the bearing outer ring lower end is installed in the upper bearing bracket bottom; The lower skeleton oil sealing is installed between end ring and the upper bearing bracket bottom, and the O RunddichtringO is installed between upper bearing bracket and the connecting tube.
The utility model Under Water Pumps is that the upper bearing bracket inner bearing that is installed on the base plate is carried out dustproof and waterproof through the upper skeleton oil sealing with bearing dustproof and waterproof structure; And the lower skeleton oil sealing plays oil storage fat; The lubricating grease that guarantees bearing is difficult for running off, thereby can prolong the working life of upper bearing bracket inner bearing.
The utility model Under Water Pumps further specifies as follows with bearing dustproof and waterproof structure:
Motor coupler is installed on the motor shaft extension through motor shaft extension key, and the pump coupling is installed on the transmission shaft through the transmission axle key, between motor coupler and pump coupling, the buffer function elastomer block has been installed.
Connection seat top is installed on the motor, and connection seat is installed on the base plate that places on the basis through connection seat bolt and connection seat pad.
Connecting tube top is positioned on the upper bearing bracket through the connecting tube bolt and the connecting tube resilient pad of location, and connecting tube top is also through connecting bolt, attaching nut be connected resilient pad and upper bearing bracket links into an integrated entity.
The transmission shaft lower end is installed in the bearing of step.
Be installed in O RunddichtringO between upper bearing bracket and the connecting tube and can prevent that medium fluid from overflowing between connecting tube upper end and upper bearing bracket.
The utility model Under Water Pumps is can prevent effectively that through the upper skeleton oil sealing dust and rainwater from invading in the bearing in the upper bearing bracket with bearing dustproof and waterproof structural advantages, and the lower skeleton oil sealing can guarantee that lubricating grease be difficult for to run off, and has prolonged bearing working life.
Description of drawings
Fig. 1: for the utility model Under Water Pumps with bearing dustproof and waterproof structure cross-sectional schematic.
Embodiment
Referring to Fig. 1, Under Water Pumps is with bearing dustproof and waterproof structure, and motor coupler 1 is installed on the motor shaft extension 27; Pump coupling 3 is installed on the transmission shaft 26, and connection seat 5 is connected with base plate 12, and the upper bearing bracket 11 between connection seat 5 and base plate 12 is connected with connecting tube 25; Bearing gland 8 is fitted on the upper bearing bracket 11; And be crimped on upper end, bearing 18 outer rings, and between locking nut 15 that outside transmission shaft 26 upper ends, is equipped with and the bearing gland 8 upper skeleton oil sealing 16 being installed, locking nut 15 is locked on the roundlet nut 17; The roundlet nut 17 that is installed on the transmission shaft 26 is locked in bearing 18 inner rings upper end; Bearing 18 inner ring lower ends are installed on the bearing interstage sleeve 19, and bearing interstage sleeve 19 is sleeved on the transmission shaft 26, and lower end, bearing 18 outer ring is installed in upper bearing bracket 11 bottoms; Lower skeleton oil sealing 20 is installed between end ring 19 and upper bearing bracket 11 bottoms, and O RunddichtringO 21 is installed between upper bearing bracket 11 and the connecting tube 25.
Connecting tube 25 tops are positioned on the upper bearing bracket 11 with connecting tube resilient pad 14 through the connecting tube bolt 13 of location, and connecting tube 25 tops are also through connecting bolt 22, attaching nut 23 with is connected resilient pad 24 and upper bearing bracket 11 links into an integrated entity.
Claims (6)
1. Under Water Pumps is with bearing dustproof and waterproof structure; Motor coupler (1) is installed on the motor shaft extension (27); Pump coupling (3) is installed on the transmission shaft (26), and connection seat (5) is connected with base plate (12), and the upper bearing bracket (11) that is positioned between connection seat (5) and the base plate (12) is connected with connecting tube (25); Bearing gland (8) is fitted on the upper bearing bracket (11); And be crimped on bearing (18) outer ring upper end, and between locking nut (15) that it is characterized in that outside transmission shaft (26) upper end, being equipped with and the bearing gland (8) upper skeleton oil sealing (16) being installed, locking nut (15) is locked on the little round nut (17); The little round nut (17) that is installed on the transmission shaft (26) is locked in bearing (18) inner ring upper end; Bearing (18) inner ring lower end is installed on the bearing interstage sleeve (19), and bearing interstage sleeve (19) is sleeved on the transmission shaft (26), and bearing (18) lower end, outer ring is installed in upper bearing bracket (11) bottom; Lower skeleton oil sealing (20) is installed between end ring (19) and upper bearing bracket (11) bottom, and O RunddichtringO (21) is installed between upper bearing bracket (11) and the connecting tube (25).
2. Under Water Pumps according to claim 1 is characterized in that with bearing dustproof and waterproof structure motor coupler (1) is installed on the motor shaft extension (27) through motor shaft extension key (28), and pump coupling (3) is installed on the transmission shaft (26) through transmission axle key (4).
3. Under Water Pumps according to claim 1 is characterized in that between motor coupler (1) and pump coupling (3), elastomer block (2) being installed with bearing dustproof and waterproof structure.
4. Under Water Pumps according to claim 1 is characterized in that with bearing dustproof and waterproof structure connection seat (5) top is installed on the motor, and connection seat (5) is installed on the base plate (12) through connection seat bolt (9) and connection seat pad (10).
5. Under Water Pumps according to claim 1 is with bearing dustproof and waterproof structure; It is characterized in that connecting tube (25) top is positioned on the upper bearing bracket (11) through connecting tube bolt (13) and the connecting tube resilient pad (14) of location, connecting tube (25) top is also through connecting bolt (22), attaching nut (23) be connected resilient pad (24) and upper bearing bracket (11) and link into an integrated entity.
6. Under Water Pumps according to claim 1 is characterized in that with bearing dustproof and waterproof structure bearing gland (8) is fitted on the upper bearing bracket (11) through screw (6) and resilient pad (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202601353U CN202165300U (en) | 2011-07-22 | 2011-07-22 | Bearing dust-proof and water-proof structure for submerged pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202601353U CN202165300U (en) | 2011-07-22 | 2011-07-22 | Bearing dust-proof and water-proof structure for submerged pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202165300U true CN202165300U (en) | 2012-03-14 |
Family
ID=45801128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202601353U Expired - Fee Related CN202165300U (en) | 2011-07-22 | 2011-07-22 | Bearing dust-proof and water-proof structure for submerged pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202165300U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422463A (en) * | 2015-12-31 | 2016-03-23 | 镇江江大泵业科技有限公司 | Condensate pump for large thermal power plant |
| CN106640733A (en) * | 2017-01-09 | 2017-05-10 | 上海第水泵厂有限公司 | Water-cooling bearing component of vertical type centrifugal pump |
| CN106857818A (en) * | 2017-03-08 | 2017-06-20 | 上海雪森林制冷设备有限公司 | A kind of colostrum unfreezing machine |
| CN106968981A (en) * | 2017-02-10 | 2017-07-21 | 安徽嘉成泵业有限责任公司 | A kind of submerged pump type dust arrester |
| CN109139879A (en) * | 2018-09-30 | 2019-01-04 | 北京国电龙源环保工程有限公司 | A kind of speed reducer shaft sealing device |
-
2011
- 2011-07-22 CN CN2011202601353U patent/CN202165300U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422463A (en) * | 2015-12-31 | 2016-03-23 | 镇江江大泵业科技有限公司 | Condensate pump for large thermal power plant |
| CN106640733A (en) * | 2017-01-09 | 2017-05-10 | 上海第水泵厂有限公司 | Water-cooling bearing component of vertical type centrifugal pump |
| CN106968981A (en) * | 2017-02-10 | 2017-07-21 | 安徽嘉成泵业有限责任公司 | A kind of submerged pump type dust arrester |
| CN106857818A (en) * | 2017-03-08 | 2017-06-20 | 上海雪森林制冷设备有限公司 | A kind of colostrum unfreezing machine |
| CN109139879A (en) * | 2018-09-30 | 2019-01-04 | 北京国电龙源环保工程有限公司 | A kind of speed reducer shaft sealing device |
| CN109139879B (en) * | 2018-09-30 | 2024-07-23 | 国能龙源环保有限公司 | Speed reducer rotating shaft sealing 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: 20120314 Termination date: 20140722 |
|
| EXPY | Termination of patent right or utility model |