CN209818383U - Sealed anti-seepage mixed flow pump - Google Patents
Sealed anti-seepage mixed flow pump Download PDFInfo
- Publication number
- CN209818383U CN209818383U CN201920583864.9U CN201920583864U CN209818383U CN 209818383 U CN209818383 U CN 209818383U CN 201920583864 U CN201920583864 U CN 201920583864U CN 209818383 U CN209818383 U CN 209818383U
- Authority
- CN
- China
- Prior art keywords
- pump
- bearing
- pump body
- pump shaft
- impeller
- 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
- 210000004907 gland Anatomy 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 238000002788 crimping Methods 0.000 claims abstract description 12
- 230000002265 prevention Effects 0.000 claims abstract description 5
- 238000005538 encapsulation Methods 0.000 claims abstract description 3
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 7
- 239000002245 particle Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 239000008187 granular material Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000001311 chemical methods and process Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000009364 mariculture Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a sealed prevention of seepage mixed flow pump, which comprises a pump body, pump body one end is the water inlet, pump body upper end is the delivery port, establish the pump shaft by the other end cross-under in the pump body and drive, it advances to correspond, the impeller of delivery port, the pump body other end is through the pump cover encapsulation, the pump cover outside passes through bolted connection pump body locking crimping through bearing box one end, pump shaft one end overcoat axle sleeve, the axle sleeve is sealed cross-under through the machine outward on the pump cover, the pump cover outside passes through O type circle crimping through sealed gland, the pump shaft extends the pump body internal key by the pump cover and connects the impeller, pump shaft middle part and other end are respectively through preceding, the back bearing cross-under supports in the bearing box, the preceding bearing gland crimping of preceding bearing through lieing in pump body one side, be equipped with preceding oil blanket between preceding bearing gland and pump shaft, the back bearing. The pump shaft supporting structure is compact in structure, stable in pump shaft supporting structure and good in sealing effect, liquid particles can be effectively prevented from leaking, and the use safety performance and the service life are ensured.
Description
Technical Field
The utility model relates to a pump, a sealed prevention of seepage mixed flow pump specifically says so.
Background
The sealed seepage-proofing mixed flow pump is a pump between a centrifugal pump and an axial flow pump, and is also called an oblique flow pump. It is suitable for forced circulation, mariculture, city gas engineering and water treatment system in chemical process. SPP pumps can economically and efficiently deliver large flows, low-lift, pure or particulate, chemically neutral or corrosive liquids. The existing mixed flow pump has no sealing with good effect aiming at the transportation of liquid containing particles, and the safe use and the service life of the pump shaft are seriously influenced by the seepage of the pump shaft which is connected with the impeller in a penetrating way and the corresponding supporting part.
Disclosure of Invention
The utility model provides a compact structure, pump shaft bearing structure is stable, sealed effectual, can effectively prevent the liquid particle seepage, ensures safety in utilization performance and life's sealed prevention of seepage mixed flow pump.
The utility model adopts the technical proposal that: the utility model provides a sealed prevention of seepage mixed flow pump, includes the pump body, and pump body one end is the water inlet, and the pump body upper end is the delivery port, establishes in the pump body by the pump shaft drive of other end cross-under, correspond the impeller of advance, delivery port, its characterized in that: the pump body other end is through pump cover encapsulation, the pump cover outside is through bolted connection pump body locking crimping of bearing box one end, pump shaft one end overcoat axle sleeve, the axle sleeve is outer through machine seal cross-under on the pump cover, the pump cover outside passes through O type circle crimping through seal gland, the pump shaft extends the pump body internal key by the pump cover and connects the impeller, pump shaft middle part and other end support in the bearing box through preceding, back bearing cross-under respectively, preceding bearing is through the preceding bearing gland crimping that is located pump body one side, be equipped with preceding oil blanket between preceding bearing gland and pump shaft, the back bearing is through the back bearing gland crimping of the bearing box outside, be equipped with the back oil blanket between back bearing gland and pump shaft.
And the other end of the pump shaft extends out of the bearing box key to be connected with a pump coupler connected with the motor coupler.
An oil filling port and an oil discharging port are arranged on the bearing box between the front bearing and the rear bearing, and an oil mirror is further arranged on the bearing box between the front bearing and the rear bearing.
And supporting legs are arranged on the lower part of the other end of the bearing box and the bottom of the pump body.
The other end of the bearing box is externally connected with a locking connection water sealing sleeve, and the water sealing sleeve is connected with a lower supporting leg.
One end of the pump shaft is rotatably connected with an impeller nut which compresses the impeller inwards at the inner end part of the pump body, and the outer end of the impeller nut is rotatably connected with a fastening bolt which is connected with the end part of the pump shaft in a penetrating way and is locked with the impeller nut through an impeller locking nut.
The utility model discloses epaxial overcoat axle sleeve at pump shaft cross-under impeller one end, prevent granule from the outer seepage of pump shaft in the liquid, install the machine additional on the axle sleeve and seal the support cross-under pump cover and seal the crimping through gland cooperation O type circle, whole cross-under sealing performance is better, pump shaft bearing structure is stable, can prevent effectively that liquid granule from at pump shaft and pump shaft cross-under department seepage, effectively ensure the safe in utilization of pump shaft, bearing support department encapsulates through gland cooperation oil blanket about combining the pump shaft, guarantee the airtight oil feed lubrication between two bearings when avoiding outside liquid seepage, further improve the support of pump shaft, service performance, the life of extension pump.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: the pump body 1, the impeller 2, the fastening bolt 3, the impeller nut 4, the impeller nut locking nut 5, the pump cover 6, the pump shaft 7, the bearing box 8, the shaft sleeve 9, the mechanical seal 10, the sealing gland 11, the O-shaped ring 12, the front bearing gland 13, the front oil seal 14, the front bearing 15, the rear bearing gland 16, the rear oil seal 17, the rear bearing 18, the pump coupling 19, the motor coupling 20, the water sealing sleeve 21, the supporting leg 22 and the oil mirror 23.
Detailed Description
The following further description is made in conjunction with the accompanying drawings and examples.
In fig. 1: a sealed anti-seepage mixed flow pump comprises a pump body 1, an impeller 2, a fastening bolt 3, an impeller nut 4, an impeller nut locking nut 5, a pump cover 6, a pump shaft 7, a bearing box 8, a shaft sleeve 9, a machine seal 10, a sealing gland 11, an O-shaped ring 12, a front bearing gland 13, a front oil seal 14, a front bearing 15, a rear bearing gland 16, a rear oil seal 17, a rear bearing 18, a pump coupler 19, a motor coupler 20, a water sealing sleeve 21, support legs 22 and an oil mirror 23. One end of a pump body 1 is a water inlet, the upper end of the pump body is a water outlet, an impeller 2 which is driven by a pump shaft 7 which is connected with the other end in a penetrating way and corresponds to the water inlet and the water outlet is arranged in the pump body, the other end of the pump body is sealed by a pump cover 6, the outer side of the pump cover 6 is connected with the pump body 1 in a locking and pressing way by a bolt through one end of a bearing box 8, one end of the pump shaft 7 is externally sleeved with a shaft sleeve 9, the outer side of the shaft sleeve 9 is connected with the pump cover 6 in a sealing and penetrating way by a sealing and pressing cover 11 through an O-shaped ring 12, the pump shaft 7 extends to the pump body 1 from the pump cover 6 and is connected with the impeller 2 in a key way, one end of the pump shaft is screwed and connected with an impeller nut 4 which presses the impeller 2 inwards at the inner end part of the pump body, the outer end of the impeller nut 4 is screwed, a front oil seal 14 is arranged between the front bearing gland and the pump shaft, a rear bearing 18 is in compression joint through a rear bearing gland 16 on the outer side of the bearing box, a rear oil seal 17 is arranged between the rear bearing gland and the pump shaft, an oil filling port and an oil discharging port are arranged on the bearing box between the front bearing and the rear bearing, and an oil mirror 23 is also arranged on the bearing box between the front bearing and the rear bearing; the other end of the pump shaft extends out of the bearing box and is in key connection with a pump coupling 19 connected with a motor coupling 20; the other end of the bearing box 8 is externally connected with a locking connection water sealing sleeve 21 and a lower supporting leg 22 of the water sealing sleeve.
Claims (6)
1. The utility model provides a sealed prevention of seepage mixed flow pump, includes the pump body, and pump body one end is the water inlet, and the pump body upper end is the delivery port, establishes in the pump body by the pump shaft drive of other end cross-under, correspond the impeller of advance, delivery port, its characterized in that: the pump body other end is through pump cover encapsulation, the pump cover outside is through bolted connection pump body locking crimping of bearing box one end, pump shaft one end overcoat axle sleeve, the axle sleeve is outer through machine seal cross-under on the pump cover, the pump cover outside passes through O type circle crimping through seal gland, the pump shaft extends the pump body internal key by the pump cover and connects the impeller, pump shaft middle part and other end support in the bearing box through preceding, back bearing cross-under respectively, preceding bearing is through the preceding bearing gland crimping that is located pump body one side, be equipped with preceding oil blanket between preceding bearing gland and pump shaft, the back bearing is through the back bearing gland crimping of the bearing box outside, be equipped with the back oil blanket between back bearing gland and pump shaft.
2. The sealed seepage-proofing mixed flow pump as claimed in claim 1, wherein: and the other end of the pump shaft extends out of the bearing box key to be connected with a pump coupler connected with the motor coupler.
3. The sealed seepage-proofing mixed flow pump as claimed in claim 1, wherein: an oil filling port and an oil discharging port are arranged on the bearing box between the front bearing and the rear bearing, and an oil mirror is further arranged on the bearing box between the front bearing and the rear bearing.
4. The sealed seepage-proofing mixed flow pump as claimed in claim 1, wherein: and supporting legs are arranged on the lower part of the other end of the bearing box and the bottom of the pump body.
5. The sealed seepage-proofing mixed flow pump as claimed in claim 1 or 4, wherein: the other end of the bearing box is externally connected with a locking connection water sealing sleeve, and the water sealing sleeve is connected with a lower supporting leg.
6. The sealed seepage-proofing mixed flow pump as claimed in claim 1, wherein: one end of the pump shaft is rotatably connected with an impeller nut which compresses the impeller inwards at the inner end part of the pump body, and the outer end of the impeller nut is rotatably connected with a fastening bolt which is connected with the end part of the pump shaft in a penetrating way and is locked with the impeller nut through an impeller locking nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920583864.9U CN209818383U (en) | 2019-04-26 | 2019-04-26 | Sealed anti-seepage mixed flow pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920583864.9U CN209818383U (en) | 2019-04-26 | 2019-04-26 | Sealed anti-seepage mixed flow pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209818383U true CN209818383U (en) | 2019-12-20 |
Family
ID=68881687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920583864.9U Expired - Fee Related CN209818383U (en) | 2019-04-26 | 2019-04-26 | Sealed anti-seepage mixed flow pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209818383U (en) |
-
2019
- 2019-04-26 CN CN201920583864.9U patent/CN209818383U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191220 |