CN214036225U - Canned motor pump with axial buffer function - Google Patents
Canned motor pump with axial buffer function Download PDFInfo
- Publication number
- CN214036225U CN214036225U CN202022909388.0U CN202022909388U CN214036225U CN 214036225 U CN214036225 U CN 214036225U CN 202022909388 U CN202022909388 U CN 202022909388U CN 214036225 U CN214036225 U CN 214036225U
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- Prior art keywords
- pump
- axial
- communicating pipe
- hole
- canned motor
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- 230000000994 depressogenic effect Effects 0.000 claims abstract description 13
- 230000008878 coupling Effects 0.000 claims abstract description 5
- 238000010168 coupling process Methods 0.000 claims abstract description 5
- 238000005859 coupling reaction Methods 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 32
- 230000000694 effects Effects 0.000 claims description 11
- 230000002708 enhancing effect Effects 0.000 claims description 10
- 230000003139 buffering effect Effects 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 3
- 238000013016 damping Methods 0.000 claims description 3
- 238000005728 strengthening Methods 0.000 claims description 3
- 230000000875 corresponding effect Effects 0.000 description 13
- 230000002093 peripheral effect Effects 0.000 description 13
- 238000005299 abrasion Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a canned motor pump with axial buffer function belongs to canned motor pump technical field. The problem that the axial force of an existing canned motor pump is unbalanced is solved. This canned motor pump with axial buffer function is including the pump body and the motor main part that have the delivery port, and the through-hole has been seted up on the periphery wall that the pump body is located delivery port department, motor main part be located the periphery wall of right-hand member lid department and also seted up the through-hole, two be provided with communicating pipe between the through-hole, the both ends of communicating pipe all link firmly with corresponding pump body and motor main part respectively through coupling assembling mutually, coupling assembling comprises connecting body and movable cap, connecting body is located and has seted up the depressed groove one on the periphery wall that is connected the department with movable cap, is provided with a plurality of ball in this depressed groove one, has seted up the depressed groove two on the internal perisporium of movable cap, and movable cap is located and has seted up on the periphery wall of depressed groove two and has put the hole. The utility model has the advantages of balanced axial force, simple structure and convenient assembly.
Description
Technical Field
The utility model belongs to the technical field of the canned motor pump, a canned motor pump with axial buffer function is related to.
Background
The canned pump is a sealless pump, the pump and the drive motor are sealed in a pressure vessel filled with the pumped medium, the pressure vessel has only static seals, and a set of electric wires provides a rotating magnetic field and drives the rotor.
When the shielding pump operates, pressure can be generated by rotation of the impeller, but the forces of the front cover plate and the rear cover plate of the impeller cannot be balanced with each other, so that an axial force can be generated to cause axial movement of the pump shaft, the existence of the axial force can cause the long-time stable operation of the shielding pump, and the service life and the overall performance of the shielding pump are reduced.
Disclosure of Invention
The utility model aims at the above-mentioned problem that exists among the prior art, provide a simple structure and be convenient for the assembly, have the canned motor pump of the balanced axial force of buffering effect and ability great degree.
The purpose of the utility model can be realized by the following technical proposal: a canned motor pump with axial buffer function includes a pump body with water inlet and outlet and a motor body connected with the pump body, characterized in that, the pump body is arranged on the peripheral wall of the outlet and is provided with a through hole communicating the outlet with the outside of the pump body, the motor body is arranged on the peripheral wall of the right end cover and is also provided with a through hole communicating the inside and the outside of the motor, a communicating pipe communicating the two through holes is arranged between the two through holes, both ends of the communicating pipe are respectively and fixedly connected with the corresponding pump body and the motor body through a connecting component, the connecting component is composed of a connecting body in hollow arrangement and a movable cap in hollow arrangement movably connected with the connecting body, the connecting body is arranged on the peripheral wall of the connecting part with the movable cap and is provided with a first concave groove inwards concave in axial direction, the first concave groove is internally provided with a plurality of balls which are uniformly distributed along the circumferential direction of the first concave groove, the movable cap is positioned on the inner peripheral wall of the first concave groove and is provided with a second concave groove which is concave outwards in the axial direction and is used for mounting the corresponding balls, and the outer peripheral wall of the second concave groove is provided with a placing hole which is communicated with the outside and is used for assembling the balls.
In the shielding pump with the axial buffering function, the pump body, the motor body and the corresponding connecting body are connected in a threaded fit manner, and a plurality of sealing ring gaskets for enhancing the sealing performance of the connecting part are arranged between the pump body, the motor body and the corresponding connecting body.
In foretell canned motor pump with axial buffer function, the both ends of activity cap and communicating pipe all be connected through screw-thread fit, activity cap and connecting body between be provided with the sealing washer that a plurality of embedding is connected in the main part and is used for strengthening to connect the back leakproofness.
In a foretell canned motor pump with axial buffer function, the internal diameter of connecting the main part be less than the internal diameter of communicating pipe, the connecting the main part be located with communicating pipe be laminated the terminal surface mutually and be provided with the axial along the extension portion that extends in communicating pipe, the internal perisporium of communicating pipe on be provided with radial inside arch and restrict the bellying that extension portion stretched into the position, also be provided with the seal ring pad of strengthening the leakproofness between this bellying and the extension portion.
In the shielding pump with the axial buffering function, a plurality of sealing rings which are embedded into the extension parts and used for enhancing the sealing performance are also arranged between the extension parts and the corresponding communicating pipes.
In the shielding pump with the axial buffering function, the connecting body is provided with a sealing plug which is used for sealing the placing hole and is connected with the placing hole, wherein the sealing plug is positioned at the placing hole.
Compared with the prior art, this canned motor pump with axial buffer function has following advantage:
1. the setting of communicating pipe makes in partial liquid can get into the canned motor pump through communicating pipe to the balanced axial force of ability great degree plays the cushioning effect, and coupling assembling's setting makes its assembly maintenance fairly convenient simultaneously.
Drawings
Fig. 1 is a schematic sectional view of the canned motor pump with an axial damping function.
Fig. 2 is an enlarged view of circle a in fig. 1 of the canned motor pump having the axial damping function.
In the figure, 1, a pump body; 2. a motor main body; 3. a through hole; 4. a communicating pipe; 5. a connecting body; 6. a movable cap; 7. a first concave groove; 8. a ball bearing; 9. a second concave groove; 10. a drop hole; 11. a sealing ring gasket; 12. a seal ring; 13. an extension part; 14. a boss portion; 15. and (6) sealing the plug.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1 and 2, the canned motor pump with axial buffering function comprises a pump body 1 with a water inlet and a water outlet, and a motor main body 2 detachably connected with the pump body 1, wherein a through hole 3 for communicating the water outlet with the outside of the pump body 1 is formed in the peripheral wall of the pump body 1 at the water outlet, a through hole 3 for communicating the inside and the outside of the motor is also formed in the peripheral wall of the motor main body 2 at the right end cover, a communicating pipe 4 for communicating the two through holes 3 is arranged between the two through holes 3, both ends of the communicating pipe 4 are fixedly connected with the corresponding pump body 1 and the motor main body 2 through a connecting assembly, the connecting assembly is composed of a connecting main body 5 which is hollow and a movable cap 6 which is movably connected with the connecting main body 5 and is also hollow, a first concave groove 7 which is axially inwards concave is formed in the peripheral wall of the connecting main body 5 with the movable cap 6, be provided with the ball 8 that a plurality of set up along its circumferencial direction and evenly distributed in this depressed groove one 7, the inside perisporium that activity cap 6 was located corresponding recess department has seted up the outside sunken groove two 9 that just supplies the installation of corresponding ball 8 of axial, realize the swing joint of activity cap 6 and connecting body 5 through the cooperation of this depressed groove two 9 and ball 8, activity cap 6 is located and has seted up on the periphery wall of depressed groove two 9 department and has made depressed groove two 9 be linked together with the outside and supply the inlet hole 10 of ball 8 assembly, after communicating pipe 4 is locked through activity cap 6, the outer terminal surface of communicating pipe 4 all contradicts with the outer terminal surface of corresponding activity body.
In more detail, in order to ensure the sealing performance of the connection, the pump body 1, the motor body 2 and the corresponding connection body 5 are connected in a thread fit manner, inner threads are arranged on the inner peripheral walls of the pump body 1 and the motor body 2 at the corresponding through holes 3, outer threads are arranged on the outer peripheral walls of the two connection bodies 5 at the inner ends connected with the pump body 1 and the motor body 2, a plurality of sealing ring gaskets 11 used for enhancing the sealing performance of the connection parts are arranged between the pump body 1, the motor body 2 and the corresponding connection bodies 5, meanwhile, the abrasion during assembly is reduced, the movable cap 6 and the two ends of the communication pipe 4 are connected in a thread fit manner, inner threads are arranged on the inner peripheral walls of the movable cap 6, outer threads are arranged on the outer peripheral walls of the two ends of the communication pipe 4, a plurality of sealing rings 12 which are embedded into the connection bodies 5 and used for enhancing the sealing performance after connection are arranged between the movable cap 6 and the connection bodies 5, the sealing ring 12 can be arranged on the left side or the right side of the ball 8, and can also be arranged on the two sides of the ball 8, the inner diameter of the connecting main body 5 is smaller than the inner diameter of the communicating pipe 4, the connecting main body 5 is arranged on the end face attached to the communicating pipe 4 and is provided with an extending part 13 extending axially along the communicating pipe 4, the inner peripheral wall of the communicating pipe 4 is provided with a protruding part 14 protruding radially inwards and limiting the extending part 13 to extend into the position, a sealing ring pad 11 for enhancing the sealing performance is also arranged between the protruding part 14 and the extending part 13, the sealing ring pad 11 for enhancing the sealing performance and reducing the abrasion is sleeved on the protruding part 14, and a plurality of sealing rings 12 which are embedded into the extending part 13 and are used for enhancing the sealing performance are also arranged between the extending part 13 and the corresponding communicating pipe 4.
To prevent the ball 8 from being detached, the connecting body 5 is provided with a sealing plug 15 at the insertion hole 10 for sealing the insertion hole 10 and detachably connecting with the same.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (6)
1. A canned motor pump with axial buffer function, includes the pump body (1) that has water inlet and delivery port and dismantles the motor main part (2) of being connected mutually with the pump body (1), its characterized in that, the pump body (1) be located the periphery wall of delivery port department and seted up through-hole (3) that make delivery port and pump body (1) outside be linked together, motor main part (2) be located the periphery wall of right-hand member lid department also seted up make motor inside with outside be linked together through-hole (3), be provided with between two through-hole (3) and make two communicating pipe (4) that through-hole (3) are linked together, the both ends of communicating pipe (4) all link firmly with corresponding pump body (1) and motor main part (2) respectively through coupling assembling, coupling assembling constitute by connecting element (5) that the cavity set up and with connecting element (5) looks swing joint and be the activity cap (6) that the cavity set up, connecting body (5) be located and seted up axial inside sunken depressed groove one (7) on the periphery wall of department of being connected with activity cap (6), be provided with ball (8) that a plurality of set up along its circumferencial direction and evenly distributed in this depressed groove one (7), activity cap (6) be located the internal perisporium of corresponding recess one and set up the depressed groove two (9) that the axial is outside sunken and supply corresponding ball (8) to install, activity cap (6) be located the periphery wall of depressed groove two (9) department and set up and make depressed groove two (9) be linked together with the outside and supply putting into hole (10) of ball (8) assembly.
2. The canned motor pump with axial buffering function according to claim 1, characterized in that the pump body (1) and the motor body (2) are connected with the corresponding connecting body (5) in a screw-thread fit manner, and a plurality of sealing ring gaskets (11) for enhancing the sealing performance of the connecting part are arranged between the pump body (1) and the motor body (2) and the corresponding connecting body (5).
3. The canned motor pump with an axial buffering function according to claim 1, characterized in that the movable cap (6) and the two ends of the communicating pipe (4) are connected in a screw-thread fit manner, and a plurality of sealing rings (12) which are embedded in the connecting body (5) and used for enhancing the sealing performance after connection are arranged between the movable cap (6) and the connecting body (5).
4. The canned motor pump with axial buffer function according to claim 1, characterized in that, the inner diameter of connecting main body (5) is less than the inner diameter of communicating pipe (4), connecting main body (5) be located with communicating pipe (4) be laminated the terminal surface be provided with the axial along communicating pipe (4) in the extension portion (13), the internal perisporium of communicating pipe (4) on be provided with radial inside protruding and restriction extension portion (13) stretch into the protruding portion (14) of position, this protruding portion (14) and extension portion (13) between also be provided with the seal ring pad (11) of strengthening the leakproofness.
5. The canned motor pump with axial cushioning according to claim 4, characterized in that a plurality of sealing rings (12) embedded in the extension portion (13) and used for enhancing sealing performance are also arranged between the extension portion (13) and the corresponding communication pipe (4).
6. The canned motor pump with axial damping according to claim 1, characterized in that the connecting body (5) is provided with a sealing plug (15) at the inlet opening (10) for sealing the inlet opening (10) and connecting thereto.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022909388.0U CN214036225U (en) | 2020-12-07 | 2020-12-07 | Canned motor pump with axial buffer function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022909388.0U CN214036225U (en) | 2020-12-07 | 2020-12-07 | Canned motor pump with axial buffer function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214036225U true CN214036225U (en) | 2021-08-24 |
Family
ID=77384138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022909388.0U Active CN214036225U (en) | 2020-12-07 | 2020-12-07 | Canned motor pump with axial buffer function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214036225U (en) |
-
2020
- 2020-12-07 CN CN202022909388.0U patent/CN214036225U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 2 Shengda Road, Zeguo Town, Wenling City, Taizhou City, Zhejiang Province Patentee after: Zhejiang Weige Intelligent Pump Industry Co.,Ltd. Country or region after: China Address before: 2 Shengda Road, Zeguo Town, Wenling City, Taizhou City, Zhejiang Province Patentee before: ZHEJIANG WIGO Co.,Ltd. Country or region before: China |