CN216044444U - Centrifugal pump with water cooling structure - Google Patents
Centrifugal pump with water cooling structure Download PDFInfo
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- CN216044444U CN216044444U CN202023336082.7U CN202023336082U CN216044444U CN 216044444 U CN216044444 U CN 216044444U CN 202023336082 U CN202023336082 U CN 202023336082U CN 216044444 U CN216044444 U CN 216044444U
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- protruding ring
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Abstract
The utility model relates to a centrifugal pump with a water cooling structure, which solves the problems of easy damage, inconvenient use, high noise and the like in the prior art, and adopts the technical scheme that: still set up the motor inner shell in motor housing's the inner chamber, motor housing's internal diameter is greater than the external diameter of motor inner shell, form the water-cooling passageway between motor housing and the motor inner shell, the last water inlet that sets up of motor housing, the water inlet with water-cooling passageway intercommunication, the water-cooling passageway with the water inlet intercommunication of impeller. The effect is as follows: the motor inner shell is arranged in the motor outer shell, so that the stator assembly, the rotor assembly and the like are sealed in the motor inner shell, and a water cooling channel is formed between the motor outer shell and the motor inner shell.
Description
Technical Field
The utility model relates to a centrifugal pump, in particular to a centrifugal pump with a water cooling structure.
Background
The conventional land centrifugal pump usually employs a heat dissipation method in which a fan is installed at the rear end of the motor and a fan cover covering the periphery of the fan (to avoid damage caused by mistaken contact with the fan) is used to drive the fan by rotation of the rotor, so that the air flow passes through the casing to cool the motor. Because the fan cover is a hollow structure for ventilation, small impurities cannot be prevented from entering the fan end to cause noise. And when the fan rotates, the generated air flow passes through the shell, and the noise cannot be avoided.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a centrifugal pump with a water cooling structure, which changes the mode that a fan is adopted to cool a motor in the prior art and adopts a water flow to cool the motor, so that the motor is provided with double motor shells, water is fed from a motor shell, enters an impeller through a space between the double motor shells and then flows out from a water outlet of a pump body, and the water flowing through the space between the double motor shells cools the motor.
The technical purpose of the utility model is mainly solved by the following technical scheme: centrifugal pump of water-cooling structure, including motor housing, the pump body, connection the pump body with the connector of motor housing's front end sets up the rear end cap in the motor housing rear end, set up the impeller in the pump body, set up the delivery port on the pump body, its characterized in that still set up the motor inner shell in motor housing's the inner chamber, motor housing's internal diameter is greater than the external diameter of motor inner shell, form water-cooling channel between motor housing and the motor inner shell, the last water inlet that sets up of motor housing, the water inlet with water-cooling channel intercommunication, water-cooling channel with the water inlet intercommunication of impeller. Change prior art and adopt the fan to motor cooling's mode, adopt the mode of rivers cooling motor, make the motor have two motor casings, intake from motor casing, enter into the impeller through the space between two motor casings, the delivery port outflow from the pump body again, the water in the space between two motor casings of flowing through cools down the motor, can also effectual solution because of the noise that the fan produced, and the pump after the improvement is good because of its seal, can arrange in outdoor or use under water, improve the suitability of pump, be favorable to reducing the requirement to pump service environment.
The front end and the rear end designed in the text are defined by arranging the pump body as the front end and the other end far away from the pump body as the rear end.
As a further improvement and supplement to the above technical solution, the present invention adopts the following technical measures: the front end of the motor inner shell is in sealing fit with the front end cover, the rear end of the motor inner shell is in sealing fit with the rear end cover, a stator assembly and a rotor assembly are arranged in the motor inner shell, the front end of the motor outer shell is in sealing fit with the connecting piece, the rear end of the motor outer shell is in sealing fit with the rear end cover, and the water cooling channel is arranged at the corresponding position of the rear end of the motor outer shell. Normally, the front ends of the stator assembly and the rotor assembly are matched with the front end cover, and in order to prevent water from entering the motor inner shell to cause damage to the stator assembly and the rotor assembly, the front end cover and the motor inner shell are also prevented from being matched.
There is the seepage clearance in order to prevent motor housing's both ends, need form sealedly to motor housing's both ends, and wherein, motor housing rear end's sealed scheme is: the rear end cover is provided with a first radial outward convex ring and a first axial convex ring, the first axial convex ring is erected on the first radial outward convex ring, the outer end of the motor shell is abutted on the first radial outward convex ring, the outer diameter of the first axial convex ring is matched with the inner diameter of the motor shell, the first axial convex ring is inserted into the rear end of the motor shell, and a first sealing ring is arranged between the outer wall of the first axial convex ring and the inner wall of the motor shell.
The sealing scheme between the motor inner shell and the rear end cover is as follows: the rear end cover is provided with a second radial outward convex ring and a second axial convex ring, the first axial convex ring is connected with the first radial outward convex ring and the second radial outward convex ring, the second axial convex ring stands on the inner end face of the second radial outward convex ring, the outer diameter of the second axial convex ring is matched with the inner diameter of the motor inner shell, the second axial convex ring is inserted into the rear end of the motor inner shell, and a second sealing ring is arranged between the outer wall of the second axial convex ring and the inner wall of the motor inner shell.
The sealing scheme of the front end of the motor shell is as follows: the connecting piece is provided with a third axial convex ring, the third axial convex ring is erected on the end face of the first flange plate on the connecting piece, the outer diameter of the third axial convex ring is matched with the inner diameter of the motor shell, the third axial convex ring is inserted into the front end of the motor shell, and a third sealing ring is arranged between the outer wall of the third axial convex ring and the inner wall of the motor shell.
The pump body is provided with a second flange plate, the second flange plate is connected with the first flange plate on the connecting piece through a connecting piece, the rear end of the connecting piece is abutted to the rear end cover, a water inlet channel is arranged on the connecting piece, the water inlet channel is communicated with the water inlet of the impeller, and the water cooling channel is communicated with the water inlet channel.
The front end of the front end cover is provided with an oil cylinder cover, a mechanical seal is arranged in the oil cylinder cover, and the mechanical seal is arranged on a rotating shaft of the rotor assembly.
The utility model has the following beneficial effects: change prior art and adopt the fan to motor cooling's mode, adopt the mode of rivers cooling motor, make the motor have two motor casings, intake from motor casing, enter into the impeller through the space between two motor casings, the delivery port outflow from the pump body again, the water in the space between two motor casings of flowing through cools down the motor, can also effectual solution because of the noise that the fan produced, and the pump after the improvement is good because of its seal, can arrange in outdoor or use under water, improve the suitability of pump, be favorable to reducing the requirement to pump service environment.
Drawings
Fig. 1 is a schematic cross-sectional view of the present invention.
Detailed Description
The technical scheme of the utility model is further specifically described by the following embodiments and the accompanying drawings.
Example (b): as shown in fig. 1, water-cooling structure's centrifugal pump, including motor housing 1, the pump body 2, connection the pump body with the connector 3 of motor housing's front end sets up the rear end cap 4 at the motor housing rear end, set up impeller 5 in the pump body, set up delivery port 21 on the pump body 2, still set up motor inner shell 6 in motor housing's the inner chamber, motor housing's internal diameter is greater than motor inner shell's external diameter, form water-cooling channel 7 between motor housing and the motor inner shell, motor housing 1 is last to be set up water inlet 11, water inlet 11 with water-cooling channel 7 intercommunication, water-cooling channel 7 with impeller 5's water inlet intercommunication. Change prior art and adopt the fan to motor cooling's mode, adopt the mode of rivers cooling motor, make the motor have two motor casings, intake from motor casing, enter into the impeller through the space between two motor casings, the delivery port outflow from the pump body again, the water in the space between two motor casings of flowing through cools down the motor, can also effectual solution because of the noise that the fan produced, and the pump after the improvement is good because of its seal, can arrange in outdoor or use under water, improve the suitability of pump, be favorable to reducing the requirement to pump service environment.
The front end and the rear end designed in the text are defined by arranging the pump body as the front end and the other end far away from the pump body as the rear end.
The front end of motor inner shell 6 seals up cooperation front end housing 80, the rear end of motor inner shell with the 4 sealed cooperations of rear end cap, set up stator module and rotor subassembly in the motor inner shell, the front end of motor outer shell 1 with the 3 sealed cooperations of connector, the rear end of motor outer shell with the rear end cap forms sealed cooperation, the water-cooling passageway sets up the corresponding position of motor outer shell's rear end. Normally, the front ends of the stator assembly and the rotor assembly are matched with the front end cover, and in order to prevent water from entering the motor inner shell to cause damage to the stator assembly and the rotor assembly, the front end cover and the motor inner shell are also prevented from being matched.
There is the seepage clearance in order to prevent motor housing's both ends, need form sealedly to motor housing's both ends, and wherein, motor housing rear end's sealed scheme is: have first radial outside bulge loop 41 and first axial bulge loop 42 on the rear end cap 4, first axial bulge loop 42 is found on the first radial outside bulge loop 41, the outer end of motor housing 1 is contradicted on the first radial outside bulge loop 41, the external diameter of first axial bulge loop with motor housing's internal diameter adaptation, first axial bulge loop 42 inserts motor housing 1's rear end, the outer wall of first axial bulge loop with set up first sealing washer 8 between motor housing's the inner wall.
The sealing scheme between the motor inner shell 6 and the rear end cover 4 is as follows: the rear end cover 4 is provided with a second radial outward convex ring 43 and a second axial convex ring 44, the first axial convex ring is connected with the first radial outward convex ring and the second radial outward convex ring, the second axial convex ring stands on the inner end face of the second radial outward convex ring, the outer diameter of the second axial convex ring is matched with the inner diameter of the motor inner shell, the second axial convex ring is inserted into the rear end of the motor inner shell, and a second sealing ring 9 is arranged between the outer wall of the second axial convex ring and the inner wall of the motor inner shell.
The sealing scheme of the front end of the motor shell is as follows: the connector 3 is provided with a third axial convex ring 31, the third axial convex ring is erected on the end surface of a first flange plate 32 on the connector, the outer diameter of the third axial convex ring is matched with the inner diameter of the motor shell, the third axial convex ring is inserted into the front end of the motor shell, and a third sealing ring 10 is arranged between the outer wall of the third axial convex ring and the inner wall of the motor shell.
The second ring flange 22 has on the pump body 2, the second ring flange with first ring flange on the connector passes through the connecting piece and connects, the rear end of connector 3 is contradicted on the rear end cap 4, inhalant canal has on the connector, inhalant canal with the water inlet intercommunication of impeller, water-cooling passageway with inhalant canal intercommunication.
The front end of the front end cover 80 is provided with an oil cylinder cover 90, a mechanical seal 100 is arranged in the oil cylinder cover, and the mechanical seal is arranged on a rotating shaft of the rotor assembly.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention. In the above embodiments, the present invention may be variously modified and changed. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. Centrifugal pump of water-cooling structure, including motor housing, the pump body, connection the pump body with the connector of motor housing's front end sets up the rear end cap in the motor housing rear end, set up the impeller in the pump body, set up the delivery port on the pump body, its characterized in that still set up the motor inner shell in motor housing's the inner chamber, motor housing's internal diameter is greater than the external diameter of motor inner shell, form water-cooling channel between motor housing and the motor inner shell, the last water inlet that sets up of motor housing, the water inlet with water-cooling channel intercommunication, water-cooling channel with the water inlet intercommunication of impeller.
2. The centrifugal pump with the water-cooling structure as recited in claim 1, wherein a front end of the inner motor casing is in sealing fit with a front end cover, a rear end of the inner motor casing is in sealing fit with the rear end cover, a stator assembly and a rotor assembly are disposed in the inner motor casing, a front end of the outer motor casing is in sealing fit with the coupling member, a rear end of the outer motor casing is in sealing fit with the rear end cover, and the water-cooling channel is disposed at a corresponding position of the rear end of the outer motor casing.
3. The centrifugal pump of water-cooling structure of claim 2, characterized in that the rear end cover is provided with a first radially outward protruding ring and a first axially protruding ring, the first axially protruding ring is erected on the first radially outward protruding ring, the outer end of the motor housing is abutted against the first radially outward protruding ring, the outer diameter of the first axially protruding ring is adapted to the inner diameter of the motor housing, the first axially protruding ring is inserted into the rear end of the motor housing, and a first sealing ring is arranged between the outer wall of the first axially protruding ring and the inner wall of the motor housing.
4. The centrifugal pump with the water-cooling structure as claimed in claim 3, wherein the rear end cover is provided with a second radially outward protruding ring and a second axially protruding ring, the first axially protruding ring is connected with the first radially outward protruding ring and the second radially outward protruding ring, the second axially protruding ring stands on an inner end face of the second radially outward protruding ring, the outer diameter of the second axially protruding ring is matched with the inner diameter of the motor inner shell, the second axially protruding ring is inserted into the rear end of the motor inner shell, and a second sealing ring is arranged between the outer wall of the second axially protruding ring and the inner wall of the motor inner shell.
5. The centrifugal pump with the water-cooling structure as recited in claim 1 or 2, wherein the coupling member has a third axial protruding ring standing on an end surface of the first flange on the coupling member, an outer diameter of the third axial protruding ring is adapted to an inner diameter of the motor housing, the third axial protruding ring is inserted into a front end of the motor housing, and a third sealing ring is disposed between an outer wall of the third axial protruding ring and an inner wall of the motor housing.
6. The centrifugal pump with the water-cooling structure as recited in claim 4, wherein the coupling member has a third axial protruding ring standing on an end surface of the first flange on the coupling member, an outer diameter of the third axial protruding ring is adapted to an inner diameter of the motor housing, the third axial protruding ring is inserted into a front end of the motor housing, and a third sealing ring is disposed between an outer wall of the third axial protruding ring and an inner wall of the motor housing.
7. The centrifugal pump with the water-cooling structure as claimed in claim 1 or 2, wherein the pump body is provided with a second flange, the second flange is connected with the first flange on the connector through a connector, the rear end of the connector abuts against the rear end cover, the connector is provided with a water inlet passage, the water inlet passage is communicated with the water inlet of the impeller, and the water-cooling passage is communicated with the water inlet passage.
8. The centrifugal pump with the water-cooling structure as claimed in claim 6, wherein the pump body has a second flange, the second flange is connected to the first flange of the connection member via a connection member, the rear end of the connection member abuts against the rear end cap, the connection member has a water inlet passage, the water inlet passage is communicated with the water inlet of the impeller, and the water-cooling passage is communicated with the water inlet passage.
9. The centrifugal pump with the water-cooling structure as recited in claim 2, wherein a cylinder cover is disposed at a front end of the front end cover, and a mechanical seal is disposed in the cylinder cover and disposed on a rotating shaft of the rotor assembly.
10. The centrifugal pump with the water-cooling structure as recited in claim 8, wherein a cylinder cover is disposed at a front end of the front end cover, and a mechanical seal is disposed in the cylinder cover and disposed on a rotating shaft of the rotor assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023336082.7U CN216044444U (en) | 2020-12-31 | 2020-12-31 | Centrifugal pump with water cooling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023336082.7U CN216044444U (en) | 2020-12-31 | 2020-12-31 | Centrifugal pump with water cooling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216044444U true CN216044444U (en) | 2022-03-15 |
Family
ID=80596473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023336082.7U Active CN216044444U (en) | 2020-12-31 | 2020-12-31 | Centrifugal pump with water cooling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216044444U (en) |
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2020
- 2020-12-31 CN CN202023336082.7U patent/CN216044444U/en active Active
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| GR01 | Patent grant | ||
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: ZHEJIANG LBX PUMP INDUSTRY Co.,Ltd. Assignor: SHIMGE PUMP (ZHEJIANG) Co.,Ltd. Contract record no.: X2022330000209 Denomination of utility model: Centrifugal pump with water cooling structure Granted publication date: 20220315 License type: Common License Record date: 20220614 Assignee: ZHEJIANG FANGXIN ELECTROMECHANICAL Co.,Ltd. Assignor: SHIMGE PUMP (ZHEJIANG) Co.,Ltd. Contract record no.: X2022330000208 Denomination of utility model: Centrifugal pump with water cooling structure Granted publication date: 20220315 License type: Common License Record date: 20220614 |