CN216306300U - Centrifugal pump with axial force balancing mechanism of centrifugal pump - Google Patents
Centrifugal pump with axial force balancing mechanism of centrifugal pump Download PDFInfo
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- CN216306300U CN216306300U CN202122971506.5U CN202122971506U CN216306300U CN 216306300 U CN216306300 U CN 216306300U CN 202122971506 U CN202122971506 U CN 202122971506U CN 216306300 U CN216306300 U CN 216306300U
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- centrifugal pump
- fixedly connected
- locking
- chuck
- screw
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Abstract
The utility model discloses a centrifugal pump with a mechanism for balancing the axial force of the centrifugal pump, which comprises a pump body, wherein a transmission shaft is arranged in the pump body, an installation sleeve is sleeved on the transmission shaft in a sliding manner, a balance disc is fixedly sleeved on the installation sleeve, the upper end and the lower end of the installation sleeve are both rotatably connected with a connecting plate, a chuck is fixedly connected on the inner side wall of the connecting plate, two ends of the chuck are both fixedly connected with locking plates, one end of each locking plate is provided with a screw opening, a locking screw rod is inserted in the screw opening, the threads in the screw openings of the two adjacent locking plates are arranged in an opposite manner, a positioning plate is fixedly connected on the outer side wall of one of the locking plates, a clamping rod is inserted on the positioning plate in a sliding manner, a plurality of clamping grooves are formed in the side wall of one end of the locking screw rod, the centrifugal pump is provided with a balance disc which is fixedly connected with the transmission shaft and is used for generating the balance force, and the axial force generated by a rotor is balanced, and the whole installation is convenient.
Description
Technical Field
The utility model relates to the field of related products of centrifugal pumps, in particular to a centrifugal pump with a mechanism for balancing the axial force of the centrifugal pump.
Background
When the centrifugal pump operates, the rotation of the impeller is in front, the water pressure is generated at the position of the rear cover plate, and because the impeller suction inlet is objectively existed, the action area of the rear cover plate of the impeller under the action of the water is larger than that of the front cover plate, so that the forces acting on the front cover plate and the rear cover plate can not be balanced mutually, an axial force can be generated, the axial float of the pump shaft is caused, and the rotor in the motor generates axial displacement under the action of the axial force, the dynamic and static parts are mutually ground and collided, the serious damage of the centrifugal pump is caused, the existence of the axial force can cause the long-time stable operation of the centrifugal pump, the service life and the overall performance of the centrifugal pump are reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a centrifugal pump with a mechanism for balancing the axial force of the centrifugal pump, which is provided with a balancing disk fixedly connected with a transmission shaft and used for generating the balancing force to balance the axial force generated by a rotor, and is convenient to integrally mount so as to solve the problems in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme: a centrifugal pump with a mechanism for balancing the axial force of the centrifugal pump comprises a pump body, wherein a transmission shaft is arranged in the pump body, an installation sleeve is sleeved on the transmission shaft in a sliding manner, a balance disc is fixedly sleeved on the installation sleeve, the upper end and the lower end of the installation sleeve are both rotatably connected with a connecting plate, a chuck is fixedly connected on the inner side wall of the connecting plate, locking plates are fixedly connected at the two ends of the chuck, a screw opening is formed in one end of each locking plate, a locking screw rod is inserted in the screw opening, the threads in the screw openings of the two adjacent locking plates are oppositely arranged, a positioning plate is fixedly connected on the outer side wall of one locking plate, a clamping rod is slidably inserted in the positioning plate, a plurality of clamping grooves are formed in the side wall of one end of each locking screw rod, a support sleeve is fixedly sleeved at one end, close to the locking screw rod, and an elastic mechanism is fixedly connected between the support sleeve and the positioning plate, the elastic mechanism is sleeved on the clamping rod.
Preferably, an arc-shaped clamping groove is formed in the chuck, and a rubber plate is fixedly connected to the inner side wall of the chuck.
Preferably, one end of the locking screw rod is fixedly connected with a rotating block, and the outer wall of the rotating block is provided with anti-skid grains.
Preferably, the elastic mechanism is a spring.
Preferably, one end of the clamping rod, which is far away from the supporting sleeve, is fixedly connected with a pull rod.
Preferably, the connecting plate is connected with the mounting sleeve through a rotating shaft.
Compared with the prior art, the utility model has the beneficial effects that:
the centrifugal pump with the axial force mechanism for the balance centrifugal pump is characterized in that a balance disc is installed on a transmission shaft through an installation sleeve, the balance disc generates balance force when the transmission shaft rotates, a chuck is connected to the transmission shaft in a clamped mode through rotating a connecting plate, a locking screw is screwed into a screw on a locking plate, two adjacent locking plates can move relatively along with the locking screw under the condition of opposite screw, so that the chuck and the transmission shaft are clamped to achieve fixing of the installation sleeve, a clamping rod is inserted into a clamping groove in the corresponding position on the locking screw to achieve fixing of the locking screw, looseness is avoided, the balance disc which is fixedly connected with the transmission shaft and used for generating the balance force is arranged, the axial force generated by a rotor is balanced, and the overall installation is convenient.
Drawings
FIG. 1 is a schematic diagram of a centrifugal pump having a mechanism for balancing the axial force of the centrifugal pump according to the present invention;
FIG. 2 is an enlarged view at A of a centrifugal pump having a mechanism for balancing the axial force of the centrifugal pump of the present invention;
fig. 3 is a schematic diagram of a centrifugal pump chuck structure having a mechanism for balancing the axial force of the centrifugal pump according to the present invention.
In the figure: 1. a pump body; 2. a drive shaft; 3. installing a sleeve; 4. a balance disc; 5. a connecting plate; 6. a chuck; 7. a locking plate; 8. locking the screw rod; 9. positioning a plate; 10. a clamping rod; 11. a support sleeve; 12. an elastic mechanism; 13. a rubber plate; 14. rotating the block; 15. a pull rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, an embodiment of the present invention is shown: a centrifugal pump with a mechanism for balancing the axial force of the centrifugal pump comprises a pump body 1, a transmission shaft 2 is arranged in the pump body 1, a mounting sleeve 3 is slidably sleeved on the transmission shaft 2, a balance disc 4 is fixedly sleeved on the mounting sleeve 3, a connecting plate 5 is rotatably connected to the upper end and the lower end of the mounting sleeve 3, a chuck 6 is fixedly connected to the inner side wall of the connecting plate 5, locking plates 7 are fixedly connected to the two ends of the chuck 6, a screw opening is formed in one end of each locking plate 7, a locking screw 8 is inserted into the screw opening, threads in the screws of the two adjacent locking plates 7 are oppositely arranged, a positioning plate 9 is fixedly connected to the outer side wall of one locking plate 7, a clamping rod 10 is slidably inserted into the positioning plate 9, a plurality of clamping grooves are formed in the side wall of one end of each locking screw 8, a supporting sleeve 11 is fixedly sleeved at one end of each clamping rod 10 close to the locking screw 8, and an elastic mechanism 12 is fixedly connected between the supporting sleeve 11 and the positioning plate 9, elastic mechanism 12 cup joints on kelly 10, specific saying, the installation cover 3 is installed balance disk 4 on transmission shaft 2, balance disk 4 produces the equilibrant when transmission shaft 2 rotates, through rotating connecting plate 5 with 6 joints of chuck on transmission shaft 2, in the screw on 8 screw in locking screw to locking plate 7 afterwards, thereby two adjacent locking plates 7 can be along with 8 relative motion of locking screw with the chuck 6 with the fixing of carrying out the tight installation cover 3 between transmission shaft 2 under the setting of opposite screw, insert kelly 10 again and realize locking screw 8's fixed in the draw-in groove of corresponding position department on the locking screw 8 afterwards, avoid becoming flexible.
Further, be equipped with the arc draw-in groove on the chuck 6, fixedly connected with rubber slab 13 on the inside wall of chuck 6 increases the cushion effect during centre gripping.
Furthermore, one end of the locking screw 8 is fixedly connected with a rotating block 14, and the outer wall of the rotating block 14 is provided with anti-slip lines, so that the locking screw 8 can be conveniently rotated.
Further, the elastic mechanism 12 is a spring.
Furthermore, one end of the clamping rod 10 far away from the supporting sleeve 11 is fixedly connected with a pull rod 15, so that the clamping rod 10 is convenient to work.
Further, the connecting plate 5 is connected with the mounting sleeve 3 through a rotating shaft.
The working principle is as follows: at first, the mounting sleeve 3 is installed balance disk 4 on transmission shaft 2, balance disk 4 produces the equilibrant when transmission shaft 2 rotates, through rotating connecting plate 5 with chuck 6 joint on transmission shaft 2, later with locking screw 8 screw in to the screw on the locking plate 7, thereby two adjacent locking plates 7 can be along with 8 relative motion of locking screw with the chuck 6 with the transmission shaft 2 between press from both sides tight the fixed of realizing mounting sleeve 3 under the setting of opposite screw, later insert clamping bar 10 on locking screw 8 in the draw-in groove of corresponding position department realize locking screw 8 fixed, avoid becoming flexible.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. A centrifugal pump with a mechanism for balancing the axial force of the centrifugal pump, comprising a pump body (1), characterized in that: the pump comprises a pump body (1), a transmission shaft (2) is arranged in the pump body (1), the transmission shaft (2) is slidably sleeved with an installation sleeve (3), a balance disc (4) is fixedly sleeved on the installation sleeve (3), the upper end and the lower end of the installation sleeve (3) are rotatably connected with a connecting plate (5), a chuck (6) is fixedly connected on the inner side wall of the connecting plate (5), locking plates (7) are fixedly connected at the two ends of the chuck (6), a screw is arranged at one end of each locking plate (7), a locking screw (8) is inserted into each screw, threads in the screws of the two adjacent locking plates (7) are oppositely arranged, a positioning plate (9) is fixedly connected on the outer side wall of one locking plate (7), a clamping rod (10) is slidably inserted into each positioning plate (9), and a plurality of clamping grooves are formed in one end side wall of each locking screw (8), the clamping rod (10) is close to one end of the locking screw rod (8) and fixedly sleeved with a supporting sleeve (11), an elastic mechanism (12) is fixedly connected between the supporting sleeve (11) and the positioning plate (9), and the elastic mechanism (12) is sleeved on the clamping rod (10).
2. A centrifugal pump having a mechanism for balancing centrifugal pump axial forces according to claim 1, wherein: be equipped with the arc draw-in groove on chuck (6), fixedly connected with rubber slab (13) on the inside wall of chuck (6).
3. A centrifugal pump having a mechanism for balancing centrifugal pump axial forces according to claim 1, wherein: one end of the locking screw rod (8) is fixedly connected with a rotating block (14), and the outer wall of the rotating block (14) is provided with anti-skid grains.
4. A centrifugal pump having a mechanism for balancing centrifugal pump axial forces according to claim 1, wherein: the elastic mechanism (12) is a spring.
5. A centrifugal pump having a mechanism for balancing centrifugal pump axial forces according to claim 1, wherein: one end of the clamping rod (10) far away from the supporting sleeve (11) is fixedly connected with a pull rod (15).
6. A centrifugal pump having a mechanism for balancing centrifugal pump axial forces according to claim 1, wherein: the connecting plate (5) is connected with the mounting sleeve (3) through a rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122971506.5U CN216306300U (en) | 2021-11-30 | 2021-11-30 | Centrifugal pump with axial force balancing mechanism of centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122971506.5U CN216306300U (en) | 2021-11-30 | 2021-11-30 | Centrifugal pump with axial force balancing mechanism of centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216306300U true CN216306300U (en) | 2022-04-15 |
Family
ID=81083178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122971506.5U Active CN216306300U (en) | 2021-11-30 | 2021-11-30 | Centrifugal pump with axial force balancing mechanism of centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216306300U (en) |
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2021
- 2021-11-30 CN CN202122971506.5U patent/CN216306300U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230530 Address after: 201806 No.1 Hengheng Road, Jiading District, Shanghai Patentee after: WPG (SHANGHAI) SMART WATER PUBLIC Co.,Ltd. Address before: 214000 Hongshan North Industrial Park, Xinwu District, Wuxi City, Jiangsu Province (No. 3, Zhanhong Road) Patentee before: Waterfall Pump (Wuxi) Co.,Ltd. |