CN211820051U - Water pump sealing structure - Google Patents
Water pump sealing structure Download PDFInfo
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- CN211820051U CN211820051U CN202020258563.1U CN202020258563U CN211820051U CN 211820051 U CN211820051 U CN 211820051U CN 202020258563 U CN202020258563 U CN 202020258563U CN 211820051 U CN211820051 U CN 211820051U
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- pump body
- flange
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- circular recess
- water pump
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Abstract
The utility model relates to a water pump sealing structure, which aims at solving the problems and comprises a junction box component, a casing, a flange, a rotor component and a pump body, and is characterized in that the junction box component and the casing are positioned and assembled; the utility model discloses in, be equipped with circular recess on the pump body, be provided with the shallow slot in the circular recess, and shield cover and seal ring in the rotor subassembly locate in the circular recess, through the flange face with the shield cover, seal ring fixed compression is to the circular recess in, thereby form seal structure, this seal structure design is compact, when flange and pump body are assembled, extrude the liner face of rotor subassembly, play sealed effect, and the shallow slot that sets up on the pump body, increase liner compression volume, consequently assembly process in batch production, can reduce the phenomenon of leaking, therefore, the cost is reduced, and simultaneously, the product quality is reliable and stable.
Description
Technical Field
The utility model relates to a canned motor pump technical field, concretely relates to water pump seal structure.
Background
Water pumps are machines that deliver or pressurize a liquid. It transfers the mechanical energy of prime mover or other external energy to liquid to increase the energy of liquid, and is mainly used to transfer liquid including water, oil, acid-base liquid, emulsion, suspoemulsion and liquid metal. Liquids, gas mixtures, and liquids containing suspended solids may also be transported.
The problems of the existing water pump that the internal structure design, the matching among parts has defects, the part processing precision requirement is high and the like cause the product quality to be unstable, and the product has a defect phenomenon in the reliability verification. Specifically, the product appears leaking phenomenon in pump body and frame junction when withstand voltage test, and this structure plays sealed effect through stator shield cover and pump body compression liner, and the liner compression area is little, easily leaks, and product quality is unstable, reduces product quality intangibly, increases the cost of labor.
SUMMERY OF THE UTILITY MODEL
(1) Technical problem to be solved
An object of the utility model is to overcome prior art's is not enough, adapts to reality needs, provides a water pump seal structure to solve the problem that proposes in the above-mentioned background art.
(2) Technical scheme
In order to realize the utility model discloses a purpose, the utility model discloses the technical scheme who adopts does:
a water pump sealing structure comprises a junction box assembly, a machine shell, a flange, a rotor assembly and a pump body, wherein the junction box assembly and the machine shell are positioned and assembled;
the pump body is positioned and assembled with the rotor assembly, one end of the pump body facing the rotor assembly is provided with a circular groove, the rotor assembly is provided with an impeller, a shielding sleeve and a bearing seat, a sealing gasket is arranged between the shielding sleeve and the bearing seat, and after the sealing gasket and the shielding sleeve are combined, the concentric outer circular edge of the sealing gasket is arranged in the circular groove;
the flange is arranged between the machine shell and the shielding sleeve, the flange and the pump body are assembled in a concentric mode, the lining part of the rotor component is extruded, and the flange and the pump body are fastened through fastening screws;
shallow grooves are additionally arranged on the sealing end face of the pump body and are arranged in a V shape.
Furthermore, the flange is flush with the end face of one end, close to the pump body, of the pump body.
Further, the shallow groove is provided with two.
Further, the flange and the pump body are extruded to form a V-shaped structure when being assembled, and the sealing gasket is arranged in an interference mode with the groove cavity of the shallow groove.
(3) Has the advantages that:
the utility model discloses in, be equipped with circular recess on the pump body, be provided with the shallow slot in the circular recess, and shield cover and seal ring in the rotor subassembly locate in the circular recess, through the flange face with the shield cover, seal ring fixed compression is to the circular recess in, thereby form seal structure, this seal structure design is compact, when flange and pump body are assembled, extrude the liner face of rotor subassembly, play sealed effect, and the shallow slot that sets up on the pump body, increase liner compression volume, consequently assembly process in batch production, can reduce the phenomenon of leaking, therefore, the cost is reduced, and simultaneously, the product quality is reliable and stable.
Drawings
FIG. 1 is a schematic diagram of the explosion three-dimensional structure of the present invention;
FIG. 2 is a view of the installation structure of the water pump of the present invention;
fig. 3 is a left perspective view of the pump body shown in fig. 1 according to the present invention.
The reference numbers are as follows:
the structure comprises a junction box assembly 1, a machine shell 2, a flange 3, a rotor assembly 4, a pump body 5, an impeller 6, a shielding sleeve 7, a bearing seat 8, a sealing gasket 9, a circular groove 10 and a shallow groove 11.
Detailed Description
The invention will be further described with reference to the following figures 1-3 and examples:
a water pump sealing structure comprises a junction box component 1, a machine shell 2, a flange 3, a rotor component 4 and a pump body 5, wherein the junction box component 1 and the machine shell 2 are positioned and assembled, the rotor component 4 and the pump body 5 are positioned and assembled, one end of the pump body 5 facing the rotor component 4 is provided with a circular groove 10, the rotor component 4 is provided with an impeller 6, a shielding sleeve 7 and a bearing seat 8, a sealing gasket 9 is arranged between the shielding sleeve 7 and the bearing seat 8, after the sealing gasket 9 and the shielding sleeve 7 are combined, the edge of the concentric excircle of the sealing gasket 9 is arranged in the circular groove 10, the flange 3 is arranged between the machine shell 2 and the shielding sleeve 7, the flange 3 and the pump body 5 are concentrically assembled, the gasket part of the rotor component 4 is extruded, the flange 3 and the pump body 5 are fastened through a set screw, the sealing end face of the pump, the shallow grooves 11 may be formed in other shapes such as a semicircular shape and a U-shape.
In this embodiment, flange 3 and the one end terminal surface parallel and level that the pump body 5 is close to each other set up like this, can play better sealed effect.
In this embodiment, two shallow grooves 11 are provided, which can increase the compression amount of the gasket, thereby achieving a better sealing effect.
In this embodiment, the sealing gasket 9 is pressed into a V-shape when the flange 3 and the pump body 5 are assembled, and the sealing gasket 9 is arranged to abut against the groove cavity of the shallow groove 11, so as to achieve a better sealing effect.
The utility model has the advantages that:
the utility model discloses in, be equipped with circular recess 10 on the pump body 5, be provided with shallow slot 11 in the circular recess 10, and shield cover 7 and seal ring 9 among the rotor subassembly 4 locate in circular recess 10, through 3 faces of flange with shield cover 7, seal ring 9 is fixed to be compressed to circular recess 10 in, thereby form seal structure, this seal structure design is compact, when flange 3 and the pump body 5 are assembled, extrude the liner face of rotor subassembly 4, play sealed effect, and the shallow slot 11 that sets up on the pump body 5, increase the liner compression volume, consequently, assembly process in batch production, can reduce the phenomenon of leaking, therefore, the cost is reduced, and simultaneously, the product quality is reliable and stable.
The embodiment of the present invention discloses a preferred embodiment, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention according to the above embodiment, and make different extensions and changes, but do not depart from the spirit of the present invention, all of which are within the protection scope of the present invention.
Claims (4)
1. A water pump sealing structure comprises a junction box assembly (1), a casing (2), a flange (3), a rotor assembly (4) and a pump body (5), and is characterized in that the junction box assembly (1) and the casing (2) are positioned and assembled;
the rotor assembly (4) and the pump body (5) are positioned and assembled, a circular groove (10) is formed in one end, facing the rotor assembly (4), of the pump body (5), an impeller (6), a shielding sleeve (7) and a bearing seat (8) are arranged on the rotor assembly (4), a sealing washer (9) is arranged between the shielding sleeve (7) and the bearing seat (8), and after the sealing washer (9) and the shielding sleeve (7) are combined, the edge of the concentric excircle of the sealing washer is arranged in the circular groove (10);
the flange (3) is arranged between the machine shell (2) and the shielding sleeve (7), the flange (3) and the pump body (5) are concentrically assembled, the liner part of the rotor assembly (4) is extruded, and the flange (3) and the pump body (5) are fastened through clinch screws;
a shallow groove (11) is additionally arranged on the sealing end face of the pump body (5), and the shallow groove (11) is V-shaped.
2. The water pump seal structure of claim 1, wherein: the flange (3) is flush with the end face of one end, close to the pump body (5), of the pump body.
3. The water pump seal structure of claim 1, wherein: two shallow grooves (11) are arranged.
4. The water pump seal structure of claim 1, wherein: when the flange (3) and the pump body (5) are assembled, the sealing gasket (9) is extruded to be in contact with the groove cavity of the shallow groove (11), and the sealing gasket (9) is extruded to be in a V-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020258563.1U CN211820051U (en) | 2020-03-05 | 2020-03-05 | Water pump sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020258563.1U CN211820051U (en) | 2020-03-05 | 2020-03-05 | Water pump sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211820051U true CN211820051U (en) | 2020-10-30 |
Family
ID=72997344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020258563.1U Active CN211820051U (en) | 2020-03-05 | 2020-03-05 | Water pump sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211820051U (en) |
-
2020
- 2020-03-05 CN CN202020258563.1U patent/CN211820051U/en active Active
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