CN210397142U - Vertical pipeline sleeve shaft direct-connection pump - Google Patents
Vertical pipeline sleeve shaft direct-connection pump Download PDFInfo
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- CN210397142U CN210397142U CN201921082439.8U CN201921082439U CN210397142U CN 210397142 U CN210397142 U CN 210397142U CN 201921082439 U CN201921082439 U CN 201921082439U CN 210397142 U CN210397142 U CN 210397142U
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Abstract
The utility model discloses a vertical pipeline sleeve axle direct-coupled pump, through the improvement to the structure, compare with traditional direct-coupled pump, the motor adopts new construction sleeve axle mode, changes and adopts the bolt fastening sleeve axle in the past, the problem that the sleeve axle drops easily in the use, this structural sleeve axle adopts half and half positioning jacket mode to fix, the location is accurate, the operation is reliable and convenient for maintenance, has improved maintenance efficiency, has reduced maintenance cost; the direct-connected pump with the structure can be widely applied to water supply of fire-fighting systems of industrial and civil buildings, water supply systems shared by life (production), water supply of buildings, municipal works, industrial and mining industries, boilers and other occasions.
Description
Technical Field
The utility model relates to a pump field specifically indicates a vertical pipeline sleeve axle direct-connected pump.
Background
The motor shaft extension of the common direct-coupled pump and the pump share one shaft, so that the operation is stable, but the motor shaft has high processing difficulty, high processing cost, easy deformation, large shaft extension jumping and high maintenance cost, and the common direct-coupled pump cannot meet the requirement if special stainless steel motor shaft extension materials are needed; the common sleeve shaft structure adopts a bolt fastening sleeve shaft mode to prevent the sleeve shaft from falling, but in actual use, the bolt is easy to loosen to cause the sleeve shaft to fall off, and the normal operation of the water pump is influenced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to above-mentioned prior art not enough, and provide a vertical pipeline sleeve axle direct connection pump.
In order to solve the technical problem, the utility model discloses a technical scheme is:
a vertical pipeline sleeve shaft direct-coupled pump comprises a pump body, an impeller, a pump cover, a sleeve shaft, a positioning jacket and a motor, wherein the shaft sleeve is sleeved at the output shaft end of the motor; the positioning jacket is sleeved outside the shaft sleeve and the output shaft end of the motor; the motor is connected with the pump body through a pump cover; one end of the shaft sleeve penetrates through the pump cover to be connected with the impeller; the impeller is sleeved outside one end of the shaft sleeve, and the impeller is connected with the shaft sleeve through a key; the impeller is rotatably connected in the pump body.
Furthermore, a first key groove is formed in the shaft sleeve, a second key groove is formed in the output shaft end of the motor, and the first key groove is connected with the second key groove through a key block.
Furthermore, an annular positioning groove I is formed in the outer side of the shaft sleeve, and an annular positioning groove II is formed in the outer side of the output shaft end of the motor; the positioning jacket adopts a half-half structure, the positioning jacket comprises a first positioning jacket and a second positioning jacket, the upper ends of the first positioning jacket and the second positioning jacket are clamped in the first positioning groove, and the lower ends of the first positioning jacket and the second positioning jacket are clamped in the second positioning groove; the first positioning jacket and the second positioning jacket are connected through screws.
Furthermore, one end of the pump cover is connected with the motor through a first flange, and the other end of the pump cover is connected with the pump body through a second flange.
Furthermore, a mechanical seal is arranged between the pump cover and the sleeve shaft.
Compared with the prior art, the utility model discloses a vertical pipeline sleeve axle direct-coupled pump has following beneficial effect:
1. by adopting a novel sleeve shaft structure, the run-out deviation of the radial circle of the shaft extension is reduced, and the water pump runs more stably and reliably;
2. the influence of special materials on the performance of the motor is not limited, if stainless steel shaft extension such as 06Cr18Ni9 is adopted, the motor shaft extension can not be shared by the motor and the pump, and the shaft extension can be perfectly solved by adopting the sleeve shaft structure;
3. the processing difficulty of the motor shaft is reduced, the processing efficiency of the motor shaft extension is improved, and the production cost is also saved;
4. the probability of shaft extension damage in motor transportation is reduced, and the repair cost caused by the shaft extension damage of the motor is reduced;
5. when the shaft extension is damaged or replaced in use, the maintenance is convenient, the maintenance efficiency is improved, and the maintenance cost is reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural view of the connection between the sleeve shaft and the positioning jacket and the output shaft end of the motor of the present invention;
FIG. 3 is a right side view of FIG. 2;
the pump comprises a pump body 1, a pump body 2, an impeller 3, a pump cover 4, a sleeve shaft 5, a positioning jacket 6, a motor 7, a mechanical seal 51 and a positioning jacket I.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1, a vertical pipe sleeve shaft direct-coupled pump comprises a pump body 1, an impeller 2, a pump cover 3, a sleeve shaft 4, a positioning jacket 5 and a motor 6, wherein the sleeve shaft 4 is sleeved at the output shaft end of the motor 6; the positioning jacket 5 is sleeved outside the shaft sleeve 4 and the output shaft end of the motor 6; the motor 6 is connected with the pump body 1 through the pump cover 3, in the embodiment, one end of the pump cover 3 is connected with the motor 6 through a first flange, and the other end of the pump cover is connected with the pump body 1 through a second flange; one end of the shaft sleeve 4 penetrates through the pump cover 3 to be connected with the impeller 2, and a mechanical seal 7 is arranged between the pump cover 3 and the shaft sleeve 4; the impeller 2 is sleeved on the outer side of one end of the shaft sleeve 4, and the impeller 2 is connected with the shaft sleeve 4 through a key; the impeller 2 is rotatably connected in the pump body 1.
In this embodiment, a first key groove is formed in the shaft sleeve 4, a second key groove is formed at an output shaft end of the motor 6, and the first key groove and the second key groove are connected through a key block.
In this embodiment, a first annular positioning groove is formed in the outer side of the shaft sleeve 4, and a second annular positioning groove is formed in the outer side of an output shaft end of the motor 6; the positioning jacket 5 adopts a half-half-half structure, the positioning jacket 5 comprises a first positioning jacket 51 and a second positioning jacket 52, the upper ends of the first positioning jacket 51 and the second positioning jacket 52 are clamped in the first positioning groove, and the lower ends of the first positioning jacket 51 and the second positioning jacket 52 are clamped in the second positioning groove; the first positioning jacket 51 and the second positioning jacket 52 are connected through screws.
The present invention is not limited to the above-described embodiments, and those skilled in the art can make modifications or changes without departing from the spirit of the present invention.
Claims (5)
1. The utility model provides a vertical pipeline sleeve axle direct-coupled pump which characterized in that: the pump comprises a pump body, an impeller, a pump cover, a sleeve shaft, a positioning jacket and a motor, wherein the shaft sleeve is sleeved at the output shaft end of the motor; the positioning jacket is sleeved outside the shaft sleeve and the output shaft end of the motor; the motor is connected with the pump body through a pump cover; one end of the shaft sleeve penetrates through the pump cover to be connected with the impeller; the impeller is sleeved outside one end of the shaft sleeve, and the impeller is connected with the shaft sleeve through a key; the impeller is rotatably connected in the pump body.
2. The vertical pipe sleeve shaft direct-coupled pump as claimed in claim 1, wherein: a first key groove is formed in the shaft sleeve, a second key groove is formed in the output shaft end of the motor, and the first key groove is connected with the second key groove through a key block.
3. The vertical pipe sleeve shaft direct-coupled pump as claimed in claim 1, wherein: an annular positioning groove I is formed in the outer side of the shaft sleeve, and an annular positioning groove II is formed in the outer side of the output shaft end of the motor; the positioning jacket adopts a half-half structure, the positioning jacket comprises a first positioning jacket and a second positioning jacket, the upper ends of the first positioning jacket and the second positioning jacket are clamped in the first positioning groove, and the lower ends of the first positioning jacket and the second positioning jacket are clamped in the second positioning groove; the first positioning jacket and the second positioning jacket are connected through screws.
4. The vertical pipe sleeve shaft direct-coupled pump as claimed in claim 1, wherein: one end of the pump cover is connected with the motor through a first flange, and the other end of the pump cover is connected with the pump body through a second flange.
5. The vertical pipe sleeve shaft direct-coupled pump as claimed in claim 1, wherein: and a mechanical seal is arranged between the pump cover and the sleeve shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921082439.8U CN210397142U (en) | 2019-07-11 | 2019-07-11 | Vertical pipeline sleeve shaft direct-connection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921082439.8U CN210397142U (en) | 2019-07-11 | 2019-07-11 | Vertical pipeline sleeve shaft direct-connection pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210397142U true CN210397142U (en) | 2020-04-24 |
Family
ID=70354814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921082439.8U Active CN210397142U (en) | 2019-07-11 | 2019-07-11 | Vertical pipeline sleeve shaft direct-connection pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210397142U (en) |
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2019
- 2019-07-11 CN CN201921082439.8U patent/CN210397142U/en active Active
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