CN207229445U - A kind of centrifugal pump shaft bearing sealing device - Google Patents
A kind of centrifugal pump shaft bearing sealing device Download PDFInfo
- Publication number
- CN207229445U CN207229445U CN201721060786.1U CN201721060786U CN207229445U CN 207229445 U CN207229445 U CN 207229445U CN 201721060786 U CN201721060786 U CN 201721060786U CN 207229445 U CN207229445 U CN 207229445U
- Authority
- CN
- China
- Prior art keywords
- bearing block
- bearing
- seal receptacle
- main shaft
- centrifugal pump
- 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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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A kind of centrifugal pump shaft bearing sealing device, include bearing block, two cone rollings are provided between bearing gland and bearing block, it is fixed on the right side of the cone rolling by round nut lock washer, stripped nut in main shaft, the stripped nut right side wrap is in preceding seal receptacle, the preceding seal receptacle is sealed between bearing gland and main shaft, and dust seal is provided with the right side of the preceding sealing；The bearing block left end is provided with boss bearing block baffle ring, rear seal receptacle sealing is provided between the bearing block baffle ring and main shaft, the cylinder rolling bearing set between the step of the rear seal receptacle and main shaft is positioned in bearing block, and dust seal is provided with the left of the rear seal receptacle.The utility model bearing base rear end is realized with rear seal receptacle by the bearing block baffle ring of bearing block itself and sealed, and is avoided using bearing gland, substantially reduces the length of main shaft, reduces production cost, while replacement seal easy to repair.
Description
Technical field
This project belongs to BGS centrifugal pump shaft bearing sealing devices, more particularly to a kind of centrifugal pump shaft bearing sealing device.
Background technology
In the prior art, intermediate support is provided with the left of the bearing block of BGS centrifugal pumps, watertight is provided with intermediate support
Seal, oil seal is provided with bearing block, bearing block two is provided with bearing cap, so the length of main shaft sets longer, raising
Production cost, while add assembly difficulty.
The content of the invention
The utility model provides a kind of centrifugal pump shaft bearing sealing device, solves above technical problem.
What the purpose of this utility model was realized in：A kind of centrifugal pump shaft bearing sealing device, comprising bearing block, it is special
Sign is：The left and right both ends outer surface of the bearing block is each provided with step surface, and the bearing block left end step surface passes through
Intermediate support is bolted, bearing gland has been bolted in the bearing block right end step surface；The bearing pressure
Two cone rollings are provided between lid and bearing block, pass through round nut lock pad on the right side of the cone rolling
Piece, stripped nut are fixed in main shaft, and the stripped nut right side wrap is in preceding seal receptacle, the preceding seal receptacle
It is sealed between bearing gland and main shaft, dust seal is provided with the right side of the preceding sealing；The bearing block left end is provided with
Boss bearing block baffle ring, is provided with rear seal receptacle sealing, the rear seal receptacle and master between the bearing block baffle ring and main shaft
The cylinder rolling bearing set between the step of axis is positioned in bearing block, and dust seal is provided with the left of the rear seal receptacle.
Preferably, the preceding sealing base inner surface is provided with two seals groove；The preceding seal receptacle outer surface is from a left side
Z-shaped round nut baffle ring, bearing block sealed step and the dust-proof step supporting with stripped nut are disposed with to the right side, it is described
The width of bearing block sealed step be arranged to H, the bearing gland is arranged to h, the H with preceding seal receptacle contact length
More than h.
Preferably, the rear sealing base inner surface is provided with two seals groove, the rear seal receptacle outer surface from
It is left-to-right to be disposed with rear dust-proof sealed step, bearing block sealed step and bearing block interior sealing step.
Preferably, between the rear seal receptacle and bearing block being equipped with for be fitted close, the preceding seal receptacle with
It is arranged to be fitted close between bearing block.
The utility model bearing base rear end is realized with rear seal receptacle by the bearing block baffle ring of bearing block itself and sealed, and is avoided
Bearing gland is used, substantially reduces the length of main shaft, reduces production cost, while replacement seal easy to repair；It is forward and backward
Dust seal is respectively arranged with the outside of seal receptacle, it is ensured that free from dust enters in centrifugal pump during use, while improves its sealing
Performance；Two seals groove is provided with forward and backward seal receptacle, improves sealing performance.
Brief description of the drawings
Fig. 1 is the utility model structure diagram.
Fig. 2 is seal receptacle structure diagram before the utility model.
Fig. 3 is seal receptacle structure diagram after the utility model.
In figure：1st, bearing block, 2, cone rolling, 3, bearing gland, 4, preceding seal receptacle, 401, seal groove, 402, anti-
Dirt step, 403, bearing block sealed step, 404, round nut baffle ring, 5, dust seal, 6, cylinder rolling bearing, 7, rear sealing
Seat, 701, sealed groove, 702, bearing block sealed step, 703, rear dust-proof sealed step, 704, bearing block interior sealing step, 8,
Bearing block baffle ring, 9, intermediate support, 10, stripped nut, 11, round nut lock washer, 12, main shaft.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings, but not as the limitation to the utility model：
In fig. 1：A kind of centrifugal pump shaft bearing sealing device, includes bearing block 1, it is characterised in that：The bearing
The left and right both ends outer surface of seat 1 is each provided with step surface, and centre has been bolted in the 1 left end step surface of bearing block
Bearing gland 3 has been bolted in stent 9, the 1 right end step surface of bearing block；The bearing gland 3 and bearing block 1
Between be provided with two cone rollings 2, the right side of cone rolling 2 passes through round nut lock washer 11, locking
Round nut 10 is fixed in main shaft 12, and 10 right side wrap of stripped nut is in preceding seal receptacle 4, the preceding seal receptacle
4 are sealed between bearing gland 3 and main shaft 12, and the right side of preceding seal receptacle 4 is provided with dust seal 5；The bearing block 1 is left
End is provided with boss bearing block baffle ring 8, and being provided with rear seal receptacle 7 between the bearing block baffle ring 8 and main shaft 12 seals, and realizes axis
The sealing of 1 rear end of bearing, avoids using rear end bearing gland, substantially reduces the length of main shaft, reduce production cost.
The cylinder rolling bearing 6 set between the rear seal receptacle 7 and the step of main shaft 2 is positioned in bearing block 1, described
The left side of rear seal receptacle 7 be provided with dust seal 5.
Such as Fig. 2,4 inner surface of preceding seal receptacle is provided with two seals groove 401, the leakproofness of seal receptacle 4 before raising
Energy；4 outer surface of preceding seal receptacle is from left to right disposed with the Z-shaped round nut baffle ring supporting with stripped nut 10
404th, bearing block sealed step 403 and dust-proof step 402, are effectively protected stripped nut 10, extend its service life, described
The width of bearing block sealed step 403 be arranged to H, the bearing gland 3 is arranged to h with preceding 4 contact length of seal receptacle, institute
The H stated is more than h, it is ensured that realizes and is fully sealed between preceding seal receptacle 4 and bearing gland 3.
Such as Fig. 3,7 inner surface of rear seal receptacle is provided with two seals groove 701,7 appearance of rear seal receptacle
Face is from left to right disposed with rear dust-proof sealed step 703, bearing block sealed step 702 and bearing block interior sealing step 704,
The sealing performance of seal receptacle 7 after raising.
Such as Fig. 1, being equipped with to be fitted close between the rear seal receptacle 7 and bearing block 1, the preceding seal receptacle 4
It is arranged to be fitted close between bearing block 1.
Above-described embodiment is only intended to clearly illustrate the description that the utility model is made, and not to the limit of embodiment
It is fixed, to those of ordinary skill in the art, other various forms of changes can also be made on the basis of the above description
Or change, there is no necessity and possibility to exhaust all the enbodiments, and the obvious change thus amplified out
Or among changing still in the scope of protection of the utility model.
Claims (4)
1. a kind of centrifugal pump shaft bearing sealing device, includes bearing block（1）, it is characterised in that：The bearing block（1）A left side,
Right both ends outer surface is each provided with step surface, the bearing block（1）Intermediate support has been bolted in left end step surface
（9）, the bearing block（1）Bearing gland has been bolted in right end step surface（3）；The bearing gland（3）With axis
Bearing（1）Between be provided with two cone rollings（2）, the cone rolling（2）Locked by round nut on right side
Gasket（11）, stripped nut（10）It is fixed on main shaft（12）Interior, described stripped nut（10）Right side wrap is in preceding sealing
Seat（4）Interior, described preceding seal receptacle（4）It is sealed in bearing gland（3）With main shaft（12）Between, the preceding seal receptacle（4）Right side
It is provided with dust seal（5）；The bearing block（1）Left end is provided with boss bearing block baffle ring（8）, the bearing block baffle ring
（8）With main shaft（12）Between be provided with rear seal receptacle（7）Sealing, the rear seal receptacle（7）With main shaft（12）Step between set
Cylinder rolling bearing（6）It is positioned at bearing block（1）Interior, described rear seal receptacle（7）Left side is provided with dust seal（5）.
A kind of 2. centrifugal pump shaft bearing sealing device according to claim 1, it is characterised in that：The preceding seal receptacle
（4）Inner surface is provided with two seals groove（401）；The preceding seal receptacle（4）Outer surface is from left to right disposed with and locks
Tight round nut（10）Supporting Z-shaped round nut baffle ring（404）, bearing block sealed step（403）With dust-proof step（402）, institute
The bearing block sealed step stated（403）Width be arranged to H, the bearing gland（3）With preceding seal receptacle（4）Contact length is set
H is set to, the H is more than h.
A kind of 3. centrifugal pump shaft bearing sealing device according to claim 1, it is characterised in that：The rear seal receptacle
（7）Inner surface is provided with two seals groove（701）, the rear seal receptacle（7）After outer surface is from left to right disposed with
Dust seal step（703）, bearing block sealed step（702）With bearing block interior sealing step（704）.
A kind of 4. centrifugal pump shaft bearing sealing device according to claim 1, it is characterised in that：The rear seal receptacle
（7）With bearing block（1）Between be equipped with for be fitted close, the preceding seal receptacle（4）With bearing block（1）Between be arranged to close
Coordinate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721060786.1U CN207229445U (en) | 2017-08-23 | 2017-08-23 | A kind of centrifugal pump shaft bearing sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721060786.1U CN207229445U (en) | 2017-08-23 | 2017-08-23 | A kind of centrifugal pump shaft bearing sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207229445U true CN207229445U (en) | 2018-04-13 |
Family
ID=61857706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721060786.1U Expired - Fee Related CN207229445U (en) | 2017-08-23 | 2017-08-23 | A kind of centrifugal pump shaft bearing sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207229445U (en) |
-
2017
- 2017-08-23 CN CN201721060786.1U patent/CN207229445U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180413 Termination date: 20200823 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |