CN212717348U - Water pump - Google Patents
Water pump Download PDFInfo
- Publication number
- CN212717348U CN212717348U CN202021050603.XU CN202021050603U CN212717348U CN 212717348 U CN212717348 U CN 212717348U CN 202021050603 U CN202021050603 U CN 202021050603U CN 212717348 U CN212717348 U CN 212717348U
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- CN
- China
- Prior art keywords
- sealing
- pump
- elastic
- positioning
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a water pump, which comprises a pump shell, a pump shaft arranged in the pump shell, and an impeller and a hub which are connected with the pump shaft, wherein a water seal device is arranged in the pump shell, the water seal device comprises a static ring, a rotating ring and an elastic sealing component arranged between the static ring and the rotating ring, the static ring is connected with the pump shell, and the rotating ring is connected with the pump shaft; the elastic sealing assembly comprises an elastic supporting seat, a positioning shell and an elastic part arranged in the positioning shell, the elastic supporting seat is used for positioning and supporting the elastic part and the positioning shell, and the elastic action of the elastic part is respectively acted on the elastic supporting seat and the positioning shell, so that the elastic sealing assembly has elastic force for keeping the static ring, the pump shell, the rotating ring and the pump shaft to be mutually jointed and sealed. The utility model discloses the leakproofness of connecting between each part of stationary ring, pump case, rotatory ring, pump shaft in the assurance water seal arrangement that can be better prevents that the water in the pump case from taking place to flow out the condition of leaking.
Description
Technical Field
The utility model particularly relates to a water pump.
Background
In the cylinder body of the automobile engine, a plurality of water channels for cooling water circulation are arranged and connected with a radiator arranged at the front part of the automobile through water pipes to form a large water circulation system. A water pump is arranged at the upper water outlet of the engine and is driven by a fan belt to pump hot water out of a water channel of the engine cylinder body and pump cold water in the water channel.
The water seal is an important sealing part in the water pump and mainly comprises a rotating ring assembly and a stationary ring assembly, namely the water pump water seal mainly prevents fluid leakage through a sliding working surface which is jointed with and slides relative to the rotating ring and the stationary ring; the water seal structure on the existing market is various, and the sealing effect of the water seal is mostly not ideal enough due to the generation of fluid pressure in the working process of the water pump, so that the market needs the water seal structure with better sealing effect to improve the working tightness of the water pump.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem of proposing in the above-mentioned background art, provide a water pump.
In order to achieve the above purpose, the technical scheme of the utility model is that: a water pump comprises a pump shell, a pump shaft arranged in the pump shell, and an impeller and a hub which are connected with the pump shaft, wherein a water seal device is arranged in the pump shell and comprises a static ring, a rotating ring and an elastic sealing assembly arranged between the static ring and the rotating ring; the elastic sealing assembly comprises an elastic supporting seat, a positioning shell and an elastic part arranged in the positioning shell, the elastic supporting seat is used for positioning and supporting the elastic part and the positioning shell, and the elastic action of the elastic part is respectively acted on the elastic supporting seat and the positioning shell, so that the elastic sealing assembly has elastic force for keeping the static ring, the pump shell, the rotating ring and the pump shaft in fit and sealing with each other.
The rotating ring comprises a pump shaft connecting part and a sealing component fixing part, a bending joint part which is in sealing joint with the pump shaft is arranged between the pump shaft connecting part and the sealing component fixing part, and an outward turning part which is in sealing joint with the stationary ring is arranged at the free end of the pump shaft connecting part.
The static ring is provided with a bending elastic part and forms a seat groove, and the bending elastic part corresponds to the outward turning part to form sealing fit.
The elastic supporting seat is provided with a positioning boss for keeping positioning and supporting the inner side of the positioning shell, the inner side and the outer side of the elastic supporting seat are respectively provided with a positioning end head and a sealing end head, the positioning end heads are positioned in the seat grooves, and the sealing end heads are kept in sealing fit with the static ring.
The positioning shell is internally provided with an installation cavity which is communicated to the end face corresponding to the elastic supporting seat, the elastic piece is arranged in the installation cavity, the end face of the positioning shell corresponding to the fixing part of the rotating ring sealing assembly is provided with an ejector rod, and the ejector rod is in sealing fit with the fixing part of the sealing assembly.
And the ejector rod is provided with a ball head part which keeps in sealing fit with the sealing component fixing part.
A protruding sealing part is arranged on the pump shaft connecting part of the rotating ring, and a first hook sealing part which is in sealing fit with one side of the protruding sealing part is arranged at the end part of the stationary ring.
And a second hook sealing part which is in sealing fit with the side surface of the positioning shell is arranged at the end part of the sealing component fixing part of the rotating ring.
Adopt above technical scheme, the utility model discloses following beneficial effect has:
compared with the prior art, the utility model discloses elasticity on the well elasticity sealing component is used in both ends respectively at the stationary ring, rotatory ring, and elasticity on the elasticity sealing component can make on the stationary ring and rotatory ring between the elastic part of bending that corresponds and the portion of turning up, bend on the rotatory ring laminating portion and pump shaft hug closely between, the power of keeping sealed laminating between the fixed mounting department of stationary ring and pump case, thereby guarantee the stationary ring, the pump case, rotatory ring, the leakproofness of connecting between the pump shaft, the condition of outflow leakage takes place for the junction of water from the pump shaft in the preventing pump case.
Compared with the prior art, the utility model provides a be provided with the position of a plurality of sealed laminatings of keeping between stationary ring, rotatory ring and the elasticity sealing component, the elasticity effect on the elasticity sealing component is sealed the position of laminating between each part simultaneously to the sealed reliability of connection is kept to the messenger.
Drawings
Fig. 1 is a cross-sectional view of the present invention;
fig. 2 is an enlarged view of a portion a in fig. 1.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 1 and 2, the present invention provides a water pump, including a pump housing 1, a pump shaft 2 disposed in the pump housing 1, and an impeller 3 and a hub 4 connected to the pump shaft 2, wherein a water seal device 5 is disposed in the pump housing 1, the water seal device 5 includes a stationary ring 6, a rotating ring 7, and an elastic seal assembly 8 disposed between the stationary ring 6 and the rotating ring 7, the stationary ring 6 is connected to the pump housing 1, and the rotating ring 7 is connected to the pump shaft 2; the elastic sealing assembly 8 comprises an elastic supporting seat 9, a positioning shell 10 and an elastic part 11 arranged in the positioning shell 10, the elastic supporting seat 9 carries out positioning support on the elastic part 11 and the positioning shell 10, and the elastic action of the elastic part 11 acts on the elastic supporting seat 9 and the positioning shell 10 respectively; preferably, the elastic member 11 of the present invention is composed of a plurality of elastic pads, and other components with elastic function can be selected.
The rotating ring 7 comprises a pump shaft connecting part 12 and a sealing component fixing part 13, a bending joint part 14 which is in sealing joint with the pump shaft 2 is arranged between the pump shaft connecting part 12 and the sealing component fixing part, and an outward turning part 15 which is in sealing joint with the stationary ring 6 is arranged at the free end of the pump shaft connecting part 12; the elastic force of the elastic member 11 acts on the rotating ring 7 through the end portion and the positioning shell 10, so that the bent attaching portion 14 on the rotating ring 7 is in sealing attachment with the circumference of the pump shaft 2, and the outward turned portion 15 is in sealing attachment with the stationary ring 6.
The static ring 6 is provided with a bending elastic part 16 and a seat groove 17, the elastic supporting seat 9 is provided with a positioning boss 18 which keeps positioning support for the inner side of the positioning shell 10, and the inner side and the outer side of the elastic supporting seat are respectively provided with a positioning end 19 and a sealing end 20; the elasticity of the elastic element 11 acts on the elastic supporting seat 9 through the end part thereof, so that the elasticity keeps the sealing joint with the stationary ring 6 through the sealing end 20 on one side, the other side abuts against the seat groove 17 through the sealing end 20, and the seat groove 17 corresponds to the bending elastic part 16, so that the bending elastic part 16 and the outward turning part 15 correspondingly keep the sealing joint through the seat groove 17.
The positioning shell 10 is internally provided with an installation cavity 21 which penetrates through the end face corresponding to the elastic supporting seat 9, the elastic part 11 is arranged in the installation cavity 21, the end face of the positioning shell 10 corresponding to the sealing component fixing part 13 of the rotating ring 7 is provided with a push rod 22, the push rod 22 is provided with a ball head part 23, the elastic force of the elastic part 11 enables the ball head part 23 of the push rod 22 to be kept in sealing fit with the sealing component fixing part 13, meanwhile, the ball head part 23 is in tangential fit with the side face of the sealing component fixing part 13, and the sealing fit is guaranteed while the friction between the rotating ring 7 and the sealing component fixing part is reduced when the rotating ring rotates.
A convex sealing part 24 is arranged on the pump shaft connecting part 12 of the rotating ring 7, a first hook sealing part 25 which is in sealing joint with one side of the convex sealing part 24 is arranged at the end part of the stationary ring 6, and a second hook sealing part 26 which is in sealing joint with the side surface of the positioning shell 10 is arranged at the end part of the sealing component fixing part 13 of the rotating ring 7; the sealing performance of the joint of the water seal components under the elastic force of the elastic sealing component 8 is further improved.
The above detailed description is made on a water pump provided by the embodiment of the present invention, and the principle and the implementation of the present invention are explained by applying a specific example, and the above description of the embodiment is only used to help understanding the technical solution disclosed by the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (8)
1. The utility model provides a water pump, includes the pump case, locates the pump shaft in the pump case and the impeller and the wheel hub of being connected with the pump shaft, its characterized in that: the pump comprises a pump shell, a pump shaft, a pump cover and a pump cover, wherein the pump cover is arranged in the pump shell and comprises; the elastic sealing assembly comprises an elastic supporting seat, a positioning shell and an elastic part arranged in the positioning shell, the elastic supporting seat is used for positioning and supporting the elastic part and the positioning shell, and the elastic action of the elastic part is respectively acted on the elastic supporting seat and the positioning shell, so that the elastic sealing assembly has elastic force for keeping the static ring, the pump shell, the rotating ring and the pump shaft in fit and sealing with each other.
2. A water pump as claimed in claim 1, wherein: the rotating ring comprises a pump shaft connecting part and a sealing component fixing part, a bending joint part which is in sealing joint with the pump shaft is arranged between the pump shaft connecting part and the sealing component fixing part, and an outward turning part which is in sealing joint with the stationary ring is arranged at the free end of the pump shaft connecting part.
3. A water pump as claimed in claim 2, wherein: the static ring is provided with a bending elastic part and forms a seat groove, the bending elastic part and the outward turning part correspondingly form sealing fit, and the seat groove can further form positioning fixation on the elastic supporting seat.
4. A water pump according to claim 3, wherein: the elastic supporting seat is provided with a positioning boss for keeping positioning and supporting the inner side of the positioning shell, the inner side and the outer side of the elastic supporting seat are respectively provided with a positioning end head and a sealing end head, the positioning end heads are positioned in the seat grooves, and the sealing end heads are kept in sealing fit with the static ring.
5. A water pump according to claim 4, wherein: the positioning shell is internally provided with an installation cavity which is communicated to the end face corresponding to the elastic supporting seat, the elastic piece is arranged in the installation cavity, the end face of the positioning shell corresponding to the fixing part of the rotating ring sealing assembly is provided with an ejector rod, and the ejector rod is in sealing fit with the fixing part of the sealing assembly.
6. A water pump according to claim 5, wherein: and the ejector rod is provided with a ball head part which keeps in sealing fit with the sealing component fixing part.
7. A water pump as claimed in claim 1, wherein: a protruding sealing part is arranged on the pump shaft connecting part of the rotating ring, and a first hook sealing part which is in sealing fit with one side of the protruding sealing part is arranged at the end part of the stationary ring.
8. A water pump as claimed in claim 1, wherein: and a second hook sealing part which is in sealing fit with the side surface of the positioning shell is arranged at the end part of the sealing component fixing part of the rotating ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021050603.XU CN212717348U (en) | 2020-06-10 | 2020-06-10 | Water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021050603.XU CN212717348U (en) | 2020-06-10 | 2020-06-10 | Water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212717348U true CN212717348U (en) | 2021-03-16 |
Family
ID=74951242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021050603.XU Expired - Fee Related CN212717348U (en) | 2020-06-10 | 2020-06-10 | Water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212717348U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113847249A (en) * | 2021-10-13 | 2021-12-28 | 宁夏金泉泵业有限责任公司 | Centrifugal water pump |
-
2020
- 2020-06-10 CN CN202021050603.XU patent/CN212717348U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113847249A (en) * | 2021-10-13 | 2021-12-28 | 宁夏金泉泵业有限责任公司 | Centrifugal water pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Gao Aimei Inventor before: Gao Aijiu |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210316 |