CN214404119U - Mounting structure convenient to adjust water pump rotor axial position - Google Patents
Mounting structure convenient to adjust water pump rotor axial position Download PDFInfo
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- CN214404119U CN214404119U CN202120487192.9U CN202120487192U CN214404119U CN 214404119 U CN214404119 U CN 214404119U CN 202120487192 U CN202120487192 U CN 202120487192U CN 214404119 U CN214404119 U CN 214404119U
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- bearing
- connecting section
- external thread
- bearing connecting
- axial position
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Abstract
A mounting structure convenient for adjusting the axial position of a water pump rotor comprises a pump shaft and a bearing seat, wherein a bearing connecting section is processed on the pump shaft, and a shaft sleeve and a thrust disc are sequentially sleeved on the bearing connecting section; the outer side of the thrust disc is rotatably arranged in the bearing seat through a thrust bearing and a radial bearing; the bearing connecting section is in clearance fit with the shaft sleeve and the thrust disc, and the side edges of the bearing connecting section are respectively connected with the shaft sleeve and the thrust disc through a key block I and a key block II; the left side of the bearing connecting section is provided with a first external thread, and the right side of the bearing connecting section is provided with a second external thread; and nuts are respectively connected to the first external thread and the second external thread in a threaded manner. When the pump shaft is installed, the external threads at the two ends of the bearing connecting section are utilized to finely adjust the axial position, so that the center of the impeller is superposed with the center of the impeller chamber, and the design and installation requirements are met; the radial thrust combined bearing component with the structure can be widely applied to a horizontal pump shaft extension pump and a vertical shaft tubular pump, and brings convenience when the water pump is installed.
Description
Technical Field
The utility model relates to a water pump technical field specifically indicates a mounting structure convenient to adjust water pump rotor axial position.
Background
The radial thrust combined bearing component of a general horizontal pump or a vertical shaft tubular pump adopts a structure shown in figure 2, one side of a pump shaft is rotatably arranged in a bearing seat through a thrust bearing and a radial bearing, when the radial thrust combined bearing component is installed, one side of the pump shaft is positioned with the radial bearing through a nut, and the other side of the pump shaft is positioned through a shaft shoulder.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is not enough to above-mentioned prior art, and provide a mounting structure convenient to adjust water pump rotor axial position.
In order to solve the technical problem, the utility model discloses a technical scheme is:
a mounting structure convenient for adjusting the axial position of a water pump rotor comprises a pump shaft and a bearing seat, wherein a bearing connecting section is processed on the pump shaft, and a shaft sleeve and a thrust disc are sequentially sleeved on the bearing connecting section; the outer side of the thrust disc is connected with a thrust bearing and a radial bearing in a matching manner, and the thrust bearing and the radial bearing are rotatably arranged in the bearing block; the bearing connecting section is in clearance fit with the shaft sleeve and the thrust disc, and the side edges of the bearing connecting section are respectively connected with the shaft sleeve and the thrust disc through a key block I and a key block II; the left side of the bearing connecting section is provided with a first external thread, and the right side of the bearing connecting section is provided with a second external thread; and the first external thread is connected with a left nut in a threaded manner, and the second external thread is connected with a right nut in a threaded manner.
Further, the outer diameters of the threads of the first external thread and the second external thread are the same as the diameter of the bearing connecting section.
Furthermore, the left side and the right side of the bearing seat are respectively connected with the two sides of the pump shaft in a sealing mode through a first gland and a second gland.
Furthermore, the bottom of the bearing seat is provided with a mounting plate, and foundation bolt mounting holes are symmetrically processed on the mounting plate.
Compared with the prior art, the mounting structure convenient for adjusting the axial position of the water pump rotor of the utility model has the advantages that when the pump shaft is mounted, the external threads at the two ends of the bearing connecting section are utilized to finely adjust the axial position, so that the center of the impeller is coincided with the center of the impeller chamber, and the design and mounting requirements are met; the radial thrust combined bearing component with the structure can be widely applied to a horizontal pump shaft extension pump and a vertical shaft tubular pump, and brings convenience when the water pump is installed.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic diagram of a prior art architecture;
the bearing comprises a bearing seat 1, a bearing connecting section 2, a bearing connecting section 3, a shaft sleeve 4, a thrust disc 5, a thrust bearing 6, a radial bearing 7, a key block I, a key block II, a key block 9, an external thread I, an external thread II, an external thread 11, a left nut, a right nut 12, a right nut 13, a gland I, a gland II, a gland 15, a mounting plate 16 and a foundation bolt mounting hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below.
As shown in fig. 1, the mounting structure convenient for adjusting the axial position of a water pump rotor comprises a pump shaft and a bearing block 1, wherein a bearing connecting section 2 is processed on the pump shaft, and a shaft sleeve 3 and a thrust disc 4 are sequentially sleeved on the bearing connecting section 2; the outer side of the thrust disc 4 is connected with a thrust bearing 5 and a radial bearing 6 in a matching manner, and the thrust bearing 5 and the radial bearing 6 are rotatably arranged in the bearing block 1; in the scheme, the bearing connecting section 2, the shaft sleeve 3 and the thrust disc 4 are in clearance fit, meanwhile, the side edge of the bearing connecting section 2 is respectively provided with a key block I7 and a key block II 8, key grooves are processed on the shaft sleeve 3 and the thrust disc 4, and the key block I7 and the key block II 8 are in fit connection with the key grooves; the left side of the bearing connecting section 2 is provided with a first external thread 9, the right side of the bearing connecting section 2 is provided with a second external thread 10, and the outer diameters of the first external thread 9 and the second external thread 10 are the same as the diameter of the bearing connecting section 2; the first external thread 9 is in threaded connection with a left nut 11, the second external thread 10 is in threaded connection with a right nut 12, when the impeller is installed on the pump shaft, the left nut 11 is screwed to adjust the axial position of the pump shaft, the central positions of the impeller and the impeller chamber are further adjusted, and once the position is adjusted, the right nut 12 is fastened, so that the position of the impeller and the position of the impeller chamber on the pump shaft are fixed.
The left side and the right side of the bearing seat 1 are respectively in sealing connection with the two sides of the pump shaft through a first gland 13 and a second gland 14, a mounting plate 15 is arranged at the bottom of the bearing seat 1, and foundation bolt mounting holes 16 are symmetrically processed in the mounting plate 15.
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 (4)
1. A mounting structure convenient for adjusting the axial position of a water pump rotor comprises a pump shaft and a bearing seat, wherein a bearing connecting section is processed on the pump shaft, and a shaft sleeve and a thrust disc are sequentially sleeved on the bearing connecting section; thrust disc outside cooperation is connected with thrust bearing and journal bearing, and thrust bearing and journal bearing rotate to set up in the bearing frame, its characterized in that: the bearing connecting section is in clearance fit with the shaft sleeve and the thrust disc, and the side edges of the bearing connecting section are respectively connected with the shaft sleeve and the thrust disc through a key block I and a key block II; the left side of the bearing connecting section is provided with a first external thread, and the right side of the bearing connecting section is provided with a second external thread; and the first external thread is connected with a left nut in a threaded manner, and the second external thread is connected with a right nut in a threaded manner.
2. The mounting structure for facilitating adjustment of an axial position of a rotor of a water pump according to claim 1, wherein: the outer diameters of the threads of the first external thread and the second external thread are the same as the diameter of the bearing connecting section.
3. The mounting structure for facilitating adjustment of an axial position of a rotor of a water pump according to claim 1, wherein: the left side and the right side of the bearing seat are respectively in sealing connection with the two sides of the pump shaft through a first gland and a second gland.
4. The mounting structure for facilitating adjustment of the axial position of a water pump rotor according to claim 3, wherein: the bearing frame bottom is provided with the mounting panel, and the symmetry processing has rag bolt mounting hole on the mounting panel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120487192.9U CN214404119U (en) | 2021-03-05 | 2021-03-05 | Mounting structure convenient to adjust water pump rotor axial position |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120487192.9U CN214404119U (en) | 2021-03-05 | 2021-03-05 | Mounting structure convenient to adjust water pump rotor axial position |
Publications (1)
Publication Number | Publication Date |
---|---|
CN214404119U true CN214404119U (en) | 2021-10-15 |
Family
ID=78028401
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202120487192.9U Active CN214404119U (en) | 2021-03-05 | 2021-03-05 | Mounting structure convenient to adjust water pump rotor axial position |
Country Status (1)
Country | Link |
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CN (1) | CN214404119U (en) |
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2021
- 2021-03-05 CN CN202120487192.9U patent/CN214404119U/en active Active
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