CN212690435U - Connecting mechanism for water pump shaft and driving shaft - Google Patents
Connecting mechanism for water pump shaft and driving shaft Download PDFInfo
- Publication number
- CN212690435U CN212690435U CN202021665198.2U CN202021665198U CN212690435U CN 212690435 U CN212690435 U CN 212690435U CN 202021665198 U CN202021665198 U CN 202021665198U CN 212690435 U CN212690435 U CN 212690435U
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- water pump
- shaft
- mechanical seal
- bearing
- hole
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Abstract
The utility model discloses a coupling mechanism of water pump axle and drive shaft, including drive shaft, shaft coupling, water pump axle, linking bridge, machine gland, mechanical seal and the pump body, drive shaft and water pump axle pass through the coupling joint, the linking bridge passes through bolted connection with the pump body, machine gland and linking bridge pass through bolted connection, mechanical seal and bearing are connected on the water pump axle, and the mechanical seal upper end offsets with machine gland, machine gland upper end is a bearing chamber, the bearing is installed in the bearing chamber. The utility model discloses a improve the pump cover structure, make the pump cover disassemble into two parts of linking bridge and machine gland, and be equipped with the bearing room on the machine gland, install the bearing in the bearing room, the water pump axle passes through shaft coupling and bearing location, has reduced the runout of water pump axle, has effectively promoted water pump operating efficiency and stability, and through demolising the shaft coupling, lift off the machine gland and can maintain mechanical seal, has effectively reduced the later maintenance cost.
Description
Technical Field
The utility model relates to an axle coupling mechanism especially relates to a coupling mechanism of water pump axle and drive shaft.
Background
At present, single-stage or double-stage centrifugal pumps in the market are widely applied to civil fire fighting, high-rise water supply, farmland drainage and irrigation and the like, and the conventional connection mode adopts a coaxial direct connection or coupling connection mode, and a water bearing mode is matched with the bottom. The existing connection mode, the coaxial connection structure, the radial run-out of the shaft is large, the efficiency is easily reduced, the service life is reduced, the structure is compact, the water pump needs to be completely disassembled for maintaining and replacing the mechanical seal, and the later maintenance cost is high; the coupling joint, the bottom cooperation use the water bearing connected mode, and the water bearing is installed in impeller water inlet department, can cause hydraulic loss, reduce efficiency. Therefore, the development of a connection mechanism with high operation efficiency, energy saving, good operation stability and low later maintenance cost becomes a problem to be solved by those skilled in the art.
Disclosure of Invention
The utility model provides a solve above-mentioned not enough, provide a coupling mechanism of water pump axle and drive shaft.
The above object of the present invention is achieved by the following technical solutions: the utility model provides a coupling mechanism of water pump axle and drive shaft, includes drive shaft, shaft coupling, water pump axle, linking bridge, machine gland, mechanical seal and the pump body, drive shaft and water pump axle pass through the coupling joint, the bolted connection is passed through to linking bridge and the pump body, machine gland and linking bridge pass through bolted connection, mechanical seal and bearing are connected on the water pump axle, and the mechanical seal upper end offsets with machine gland, machine gland upper end is a bearing chamber, the bearing is installed in the bearing chamber.
Furthermore, the connecting support is provided with a support through hole, and the support penetrates through the support through hole through a bolt to be connected with the pump body.
Furthermore, the machine seal gland is provided with a machine seal gland through hole and connected to the connecting support through a bolt penetrating the machine seal gland through hole, the machine seal gland through hole is in one-to-one correspondence with the support threaded hole, and the bolt penetrates the machine seal gland through hole and is connected to the support threaded hole.
Furthermore, a deflation valve of the water pump is arranged on the connecting bracket.
Further, the bearing chamber is provided with an oil injection hole.
Furthermore, the inner wall of the bearing chamber is provided with a mechanical seal static ring connecting surface.
Further, the driving shaft adopts a standard shaft or a short shaft, and the water pump shaft adopts a short shaft.
Compared with the prior art, the utility model the advantage be: the utility model discloses a pump cover structure is improved, makes the pump cover disassemble into linking bridge and machine and seals two parts of gland, and is equipped with the bearing room on the machine seals the gland, installs the bearing in the bearing room, and the water pump axle passes through shaft coupling and bearing location, has reduced the radial runout of water pump axle, has effectively promoted water pump operating efficiency and stability, and through demolising the shaft coupling, lift off the machine and seal the gland and can maintain mechanical seal, has effectively reduced the later maintenance cost; moreover, the utility model also has the advantages of convenient installation, strong applicability, wide application range, etc.; in a word, compared with the prior art, the utility model has obvious progress and obvious practical value.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the middle connection bracket of the present invention.
Fig. 3 is a schematic structural diagram of the middle sealing cover of the present invention.
In the drawings, 1, a drive shaft; 2. a coupling; 3. a water pump shaft; 4. connecting a bracket; 41. a deflation valve; 42. a bracket through hole; 43. a bracket threaded hole; 5. a mechanical seal gland; 51. a machine seal gland through hole; 52. a bearing chamber; 521. a bearing; 522. an oil hole of the bearing chamber; 53. a mechanical seal static ring connecting surface; 6. mechanical sealing; 7. and a pump body.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, 2 and 3, a connection mechanism for a water pump shaft and a drive shaft includes a drive shaft 1, a coupling 2, a water pump shaft 3, a connection bracket 4, a mechanical seal cover 5, a mechanical seal 6 and a pump body 7, wherein the drive shaft 1 and the water pump shaft 3 are connected through the coupling 2, the connection bracket 4 and the pump body 7 are connected through a bolt, the mechanical seal cover 5 and the connection bracket 4 are connected through a bolt, the mechanical seal 6 and a bearing 521 are connected to the water pump shaft 3, the upper end of the mechanical seal 6 abuts against the mechanical seal cover 5, the upper end of the mechanical seal cover 5 is a bearing chamber 52, and the bearing 521 is installed in the bearing chamber 52.
Further, the connecting bracket 4 has a bracket through hole 42, and the bracket 4 is connected to the pump body 7 through the bracket through hole 42 by a bolt.
Further, the mechanical seal gland 5 is provided with a mechanical seal gland through hole 51, and the mechanical seal gland through hole 51 is connected to the connecting support 4 through a bolt, the mechanical seal gland through hole 51 corresponds to the support threaded hole 43 one by one, and the mechanical seal gland through hole 51 is connected to the support threaded hole 43 through a bolt.
Further, a release valve 41 of the water pump is arranged on the connecting bracket.
Further, the bearing chamber 52 is provided with an oil hole 522.
Further, the inner wall of the bearing chamber 52 is provided with a mechanical seal ring connecting surface 53.
Further, the drive shaft 1 adopts a standard shaft or a short shaft, and the water pump shaft 3 adopts a short shaft.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (7)
1. A coupling mechanism of water pump axle and drive shaft which characterized in that: including drive shaft, shaft coupling, water pump shaft, linking bridge, machine seal gland, mechanical seal and the pump body, drive shaft and water pump shaft pass through the coupling joint, linking bridge and the pump body pass through bolted connection, machine seal gland and linking bridge pass through bolted connection, mechanical seal and bearing are connected on the water pump shaft, and the mechanical seal upper end offsets with machine seal gland, machine seal gland upper end is a bearing chamber, the bearing is installed in the bearing chamber.
2. A water pump shaft to drive shaft coupling as claimed in claim 1, wherein: the connecting support is provided with a support through hole, and the support penetrates through the support through hole through a bolt to be connected with the pump body.
3. A water pump shaft to drive shaft coupling as claimed in claim 1, wherein: the mechanical seal gland is provided with a mechanical seal gland through hole and connected to the connecting support through a bolt penetrating the mechanical seal gland through hole, the mechanical seal gland through hole corresponds to the support threaded hole one by one, and the mechanical seal gland through hole is connected to the support threaded hole through a bolt penetrating the mechanical seal gland through hole.
4. A water pump shaft to drive shaft coupling as claimed in claim 1, wherein: and the connecting bracket is provided with a deflation valve of the water pump.
5. A water pump shaft to drive shaft coupling as claimed in claim 1, wherein: the bearing chamber is provided with an oil filling hole.
6. A water pump shaft to drive shaft coupling as claimed in claim 1, wherein: and the inner wall of the bearing chamber is provided with a mechanical seal static ring connecting surface.
7. A water pump shaft to drive shaft coupling as claimed in claim 1, wherein: the driving shaft adopts a standard shaft or a short shaft, and the water pump shaft adopts a short shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021665198.2U CN212690435U (en) | 2020-08-12 | 2020-08-12 | Connecting mechanism for water pump shaft and driving shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021665198.2U CN212690435U (en) | 2020-08-12 | 2020-08-12 | Connecting mechanism for water pump shaft and driving shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212690435U true CN212690435U (en) | 2021-03-12 |
Family
ID=74902059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021665198.2U Active CN212690435U (en) | 2020-08-12 | 2020-08-12 | Connecting mechanism for water pump shaft and driving shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212690435U (en) |
-
2020
- 2020-08-12 CN CN202021665198.2U patent/CN212690435U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A connecting mechanism between water pump shaft and drive shaft Effective date of registration: 20230421 Granted publication date: 20210312 Pledgee: Agricultural Bank of China Limited Shanghai Songjiang Sub-branch Pledgor: SHANGHAI CHENGFENG FLUID EQUIPMENT CO.,LTD. Registration number: Y2023980038670 |