CN209818309U - Horizontal double anti-leakage centrifugal pump - Google Patents
Horizontal double anti-leakage centrifugal pump Download PDFInfo
- Publication number
- CN209818309U CN209818309U CN201920584253.6U CN201920584253U CN209818309U CN 209818309 U CN209818309 U CN 209818309U CN 201920584253 U CN201920584253 U CN 201920584253U CN 209818309 U CN209818309 U CN 209818309U
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- CN
- China
- Prior art keywords
- pump
- bearing
- cross
- box
- under
- 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
Links
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 210000004907 gland Anatomy 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 230000009977 dual effect Effects 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000005538 encapsulation Methods 0.000 abstract description 4
- 238000002788 crimping Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 3
- 239000008187 granular material Substances 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a horizontal dual antiseep centrifugal pump, pump body one end is equipped with the water inlet, pump body upper end is equipped with the delivery port, the pump shaft that the pump body internal joint has bearing box cross-under to support, pump body rear end is equipped with the cross-under through the pump shaft, the outer intercommunication cross-under box of cross-under, the external flange of cross-under, flange joint seal box seat one end, the seal box seat other end is through the encapsulation of seal gland crimping, seal box seat and seal gland hole are in proper order through the machine seal, the axle sleeve cross-under is on the pump shaft, cross-under box locking connection bearing box one end, the middle part and the rear portion of pump shaft are respectively through preceding, the back bearing cross-under is on the bearing box, the interior bearing gland encapsulation front bearing of establishing of cross-under is connected on the bearing box, the bearing box rear end is through the back bearing gland encapsulation rear bearing connection on the. The pump shaft sealing structure has a compact structure, can effectively prevent the leakage between the pump shaft cross-connecting pump body and the bearing box, improves the sealing performance, ensures the stable and safe operation of the pump shaft, and has long service life.
Description
Technical Field
The utility model relates to a pump, a horizontal dual antiseep centrifugal pump specifically says so.
Background
The centrifugal pump is used as a pump for conveying liquid by utilizing centrifugal force, the overall performance and service life of the pump are directly influenced by the supporting performance of a pump shaft of the centrifugal pump, the pump shaft of the traditional centrifugal pump is directly connected with a motor after being connected with a bearing box in a penetrating mode, once a pump body leaks towards the bearing box along the pump shaft, a supporting bearing in the bearing box is easy to corrode and damage, and therefore the pump shaft cannot stably and safely operate, and potential safety hazards exist in use.
Disclosure of Invention
The utility model provides a compact structure can effectively prevent the leakage between the pump shaft cross-under pump body and the bearing box, improves sealing performance, ensures that the pump shaft is stable, safe operation, long service life's horizontal dual antiseep centrifugal pump. The utility model adopts the technical proposal that: the utility model provides a horizontal dual antiseep centrifugal pump, includes the pump body, impeller, pump shaft and bearing box, and pump body one end is equipped with the water inlet, and pump body upper end is equipped with the delivery port, and the pump shaft that the pump body internal connection has bearing box cross-under to support, its characterized in that: the pump comprises a pump body, a pump shaft, a pump cover, a pump shaft, a pump cover, a motor, a transmission case, a motor, a transmission case, a motor, a pump shaft, a motor, a transmission.
The front bearing is a roller bearing, and the rear bearing is a double-row roller bearing.
An O-shaped ring is arranged between the other end of the sealing box seat and the sealing gland.
The impeller is connected to the front end of the pump shaft through an impeller sealing cap.
The lower part of the pump body is provided with pump body support legs, and the lower part of the outer end of the bearing box is provided with a bearing box support.
The utility model discloses cross-under pump shaft cross-under pump body peripheral hardware cross-under box connects the bearing box, the epaxial overcoat axle sleeve of pump of cross-under incasement, prevent granule from the outer seepage of pump shaft in the liquid, install additional machine seal on the axle sleeve and support cross-under seal box seat and pump body coupling and through the sealed crimping of gland cooperation O type circle, cross-under box cross-under pump shaft sealing performance is better, can prevent effectively that liquid granule from crossing the bearing box seepage in pump shaft and pump shaft at the pump body cross-under bearing box department, effectively ensure the safe in utilization of pump shaft, bearing gland passes through oil blanket encapsulation bearing box in the cross-under box before combining, avoid by the interior liquid of the pump body through cross-under box to the bearing box seepage, double leakage prevention, sealing performance improves, be favorable to the pump shaft stable, the safe operation.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: the pump comprises an impeller sealing cap 1, an impeller 2, a pump body 3, a pump shaft 4, a shaft sleeve 5, a sealing box base 6, a sealing gland 7, a front bearing gland 8, a front bearing 9, a bearing box 10, a rear bearing 11, a rear bearing gland 12, bearing box support legs 13, pump body support legs 14, a water inlet 15, a water outlet 16, a connecting flange 17, an O-shaped ring 18, a machine seal 19, an oil seal 20 and a penetration box 21.
Detailed Description
The following is further described with reference to the accompanying drawings.
FIG. 1 shows: a horizontal double anti-leakage centrifugal pump comprises a pump body 3, an impeller 2, a pump shaft 4, a shaft sleeve 5, a sealing box base 6, a sealing gland 7, a front bearing gland 8, a front bearing 9, a bearing box 10, a rear bearing 11, a rear bearing gland 12, bearing box support legs 13, pump body support legs 14, a connecting flange 17, an O-shaped ring 18, a machine seal 19 and an oil seal 20. A water inlet 15 is formed in one end of the pump body 3, a water outlet 16 is formed in the upper end of the pump body, a bearing box 10 is connected with and supported by the pump shaft 4 in a penetrating mode in the pump body 3, and the front end of the pump shaft 4 is connected with the impeller 2 in the water inlet of the pump body through an impeller sealing cap 1. The rear end of the pump body 3 is provided with a through-connection port passing through the pump shaft, the through-connection port is externally communicated with a through-connection box 21, the through-connection port is externally connected with a connecting flange 17 arranged in the through-connection box, the connecting flange 17 is connected with one end of a sealing box seat 6 arranged in the through-connection box, the other end of the sealing box seat 6 is in compression joint packaging through a sealing gland 7 and an O-shaped ring 18 arranged in the through-connection box, the inner holes of the sealing box seat and the sealing gland are sequentially in through machine sealing 19 and shaft sleeve 5 in a penetrating way on the pump shaft, the through-connection box 21 is locked and connected with one end of a bearing box 10, the middle part and the rear part of the pump shaft 4 are respectively in penetration joint on the bearing box 10 through a front bearing 9 and a rear bearing 9, the through oil sealing 20 packaging the front bearing gland 8 in the through. The lower part of the pump body 3 is provided with pump body support legs 14, and the lower part of the outer end of the bearing box 10 is provided with a bearing box support 13.
On the basis of the above embodiment, the front bearing is selected as a roller bearing and the rear bearing is selected as a double-row roller bearing.
Claims (5)
1. The utility model provides a horizontal dual antiseep centrifugal pump, includes the pump body, impeller, pump shaft and bearing box, and pump body one end is equipped with the water inlet, and pump body upper end is equipped with the delivery port, and the pump shaft that the pump body internal connection has bearing box cross-under to support, its characterized in that: the pump comprises a pump body, a pump shaft, a pump cover, a pump shaft, a pump cover, a motor, a transmission case, a motor, a transmission case, a motor, a pump shaft, a motor, a transmission.
2. The horizontal double anti-leakage centrifugal pump according to claim 1, wherein said front bearing is a roller bearing and said rear bearing is a double-row roller bearing.
3. The horizontal double anti-leakage centrifugal pump as claimed in claim 1, wherein an O-ring is provided between the other end of the seal box base and the seal gland.
4. The horizontal double anti-leakage centrifugal pump as claimed in claim 1, wherein said impeller is connected to the front end of the pump shaft by an impeller sealing cap.
5. The horizontal double anti-leakage centrifugal pump as claimed in claim 1, wherein said pump body has support legs at the lower part thereof, and a bearing housing support is provided at the lower part of the outer end of the bearing housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920584253.6U CN209818309U (en) | 2019-04-26 | 2019-04-26 | Horizontal double anti-leakage centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920584253.6U CN209818309U (en) | 2019-04-26 | 2019-04-26 | Horizontal double anti-leakage centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209818309U true CN209818309U (en) | 2019-12-20 |
Family
ID=68881659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920584253.6U Expired - Fee Related CN209818309U (en) | 2019-04-26 | 2019-04-26 | Horizontal double anti-leakage centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209818309U (en) |
-
2019
- 2019-04-26 CN CN201920584253.6U patent/CN209818309U/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: 20191220 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |