CN213981199U - Labyrinth type circulating pump - Google Patents
Labyrinth type circulating pump Download PDFInfo
- Publication number
- CN213981199U CN213981199U CN202022472968.8U CN202022472968U CN213981199U CN 213981199 U CN213981199 U CN 213981199U CN 202022472968 U CN202022472968 U CN 202022472968U CN 213981199 U CN213981199 U CN 213981199U
- Authority
- CN
- China
- Prior art keywords
- impeller
- annular
- labyrinth
- pump
- circulation pump
- 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.)
- Active
Links
- 238000009434 installation Methods 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000005457 optimization Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a labyrinth circulating pump, the pump body has the installation cavity, and the impeller mounting is in the installation cavity, and has a plurality of radial annular gaps of impeller along between the upper portion side of impeller and the installation cavity inner wall, and the axis direction of a plurality of annular gaps along the impeller distributes. The utility model discloses in, labyrinth circulating pump that provides, through a plurality of annular gaps between the pump body and the impeller, make it have and reduce hydraulic loss, raise the efficiency, increase advantages such as life-span time of pump.
Description
Technical Field
The utility model relates to an automotive electronics water pump technical field especially relates to a labyrinth circulating pump.
Background
The automobile electronic water pump is widely applied to various types of automobiles, including passenger vehicles, commercial vehicles, traditional internal combustion engine automobiles, hybrid electric vehicles, pure electric vehicles and the like, and particularly the pure electric vehicles, and the efficiency of the water pump influences the efficiency of the whole automobile. The application of an electric water pump to a motor vehicle hydronic system is known, which as shown in fig. 1 comprises a pump body 1 and a motor part 10, the motor part 10 being generally designed as a permanent magnet rotor 6, a stator 7, the permanent magnet rotor 6 rotating inside the stator 7. At least one pump impeller 2 rotating in the pump housing is connected to the permanent magnet rotor 6 via a rotor shaft 8. The electric water pump is designed as a wet-running pump assembly, i.e. the rotor runs inside a shielding 9 located at the medium to be conveyed. In general, when the electric pump is operated, the bearing 4 for supporting the rotor shaft 8 is lubricated with the medium to be delivered and the axial force absorbed by the axial bearing 4 or the rotor on the rotor shaft 8 acts on the rotor shaft 8.
When the water pump operates, liquid enters the impeller from the pump port and is discharged through the impeller and the flow channel, hydraulic loss is caused during intermediate circulation, and if the hydraulic loss can be reduced, the efficiency of the whole pump can be greatly improved. In view of the above problems, how to improve the hydraulic power of the electronic pump is a technical problem that needs to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem who exists among the background art, the utility model provides a labyrinth circulating pump.
The utility model provides a labyrinth circulating pump, including the pump body and impeller, wherein:
the pump body has the installation cavity, and the impeller is installed in the installation cavity, and has a plurality of radial annular gaps of impeller along between the upper portion side of impeller and the installation cavity inner wall, and a plurality of annular gaps distribute along the axis direction of impeller.
In some embodiments, the impeller has a plurality of annular protrusions on the upper side surface, the inner surface of the mounting cavity has a plurality of annular grooves, and one annular protrusion matches with one annular groove to form an annular gap.
In some embodiments, the side surface of the upper part of the impeller is provided with a plurality of annular grooves, the inner surface of the mounting cavity is provided with a plurality of annular protrusions, and one annular protrusion is matched with one annular groove to form an annular gap.
As the utility model discloses further optimized scheme, the bellied cross section of annular is rectangle or triangle-shaped.
As a further optimized proposal of the utility model, the height of the annular bulge is 0.7-1.2 mm.
As the utility model discloses further optimized scheme, the bellied height of annular is 0.9 mm.
As the utility model discloses the scheme of further optimization, the external diameter of a plurality of annular gaps is from the one end of keeping away from impeller installation axle to the one end of being close to impeller installation axle grow gradually.
As the utility model discloses the scheme of further optimization, the external diameter on impeller upper portion is from the one end of keeping away from impeller installation axle to the one end that is close to impeller installation axle grow gradually, and the internal diameter of the installation cavity who matches with impeller upper portion from the one end of keeping away from impeller installation axle to the one end that is close to impeller installation axle grow gradually.
The utility model discloses in, labyrinth circulating pump that provides, through a plurality of annular gaps between the pump body and the impeller, make it have and reduce hydraulic loss, raise the efficiency, increase advantages such as life-span time of pump.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of a connection structure between a pump body and an impeller according to an embodiment of the present invention;
fig. 3 is a schematic structural view of an impeller according to an embodiment of the present invention;
fig. 4 is a schematic view of a second pump body structure according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar designations denote like or similar elements or elements having like or similar functionality throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
It will be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for convenience and simplicity of description only, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Example one
A labyrinth circulation pump as shown in fig. 1-3, comprising a pump body 1 and an impeller 2, wherein:
the pump body 1 is provided with an installation cavity 11, the impeller 2 is installed in the installation cavity 11, a plurality of annular gaps 12 along the radial direction of the impeller 2 are formed between the side surface of the upper part of the impeller 2 and the inner wall of the installation cavity 11, and the annular gaps 12 are distributed along the axial direction of the impeller 2;
the side surface of the upper part of the impeller 2 is provided with a plurality of annular bulges 13, the inner surface of the mounting cavity 11 is provided with a plurality of annular grooves 14, and one annular bulge 13 is matched with one annular groove 14 to form an annular gap 12;
the cross section of the annular bulge 13 is rectangular or triangular, the annular bulge 13 is rectangular in the embodiment, the height of the annular bulge 13 is 0.7-1.2mm, and after multiple tests, the height of the annular bulge 13 is preferably 0.9 mm;
the outer diameters of the annular gaps 12 are gradually increased from one end far away from the mounting shaft of the impeller 2 to one end close to the mounting shaft of the impeller 2;
the outer diameter of the upper part of the impeller 2 gradually increases from the end far away from the mounting shaft of the impeller 2 to the end near the mounting shaft of the impeller 2, and the inner diameter of the mounting cavity 11 matched with the upper part of the impeller 2 gradually increases from the end far away from the mounting shaft of the impeller 2 to the end near the mounting shaft of the impeller 2.
In order to facilitate the mounting of the impeller 2, it is preferred in this embodiment that the cross-section of the annular projection 13 is rectangular or triangular.
In order to facilitate the installation of the impeller 2 and reduce hydraulic loss, it is preferable in the present embodiment that the height of the annular protrusion 13 is 0.7 to 1.2 mm.
Through experiments, it is preferable in the present embodiment that the height of the annular protrusion 13 is 0.9 mm.
To facilitate the installation of the impeller 2, the outer diameters of the plurality of annular slits 12 become gradually larger from the end distant from the installation shaft of the impeller 2 to the end close to the installation shaft of the impeller 2.
In order to facilitate the installation of the impeller 2, the outer diameter of the upper portion of the impeller 2 is gradually increased from the end far away from the installation shaft of the impeller 2 to the end near the installation shaft of the impeller 2, and the inner diameter of the installation cavity 11 matched with the upper portion of the impeller 2 is gradually increased from the end far away from the installation shaft of the impeller 2 to the end near the installation shaft of the impeller 2.
Example two
As shown in fig. 4, the present embodiment is different from the above embodiments in that: the side surface of the upper part of the impeller 2 is provided with a plurality of annular grooves 14, the inner surface of the mounting cavity 11 is provided with a plurality of annular bulges 13, and one annular bulge 13 is matched with one annular groove 14 to form an annular gap 12.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. A labyrinth circulation pump, characterized by comprising a pump body (1) and an impeller (2), wherein:
the pump body (1) is provided with an installation cavity (11), the impeller (2) is installed in the installation cavity (11), a plurality of annular gaps (12) along the radial direction of the impeller (2) are formed between the side face of the upper portion of the impeller (2) and the inner wall of the installation cavity (11), and the annular gaps (12) are distributed along the axial direction of the impeller (2).
2. The labyrinth circulation pump as claimed in claim 1, wherein the impeller (2) has a plurality of annular protrusions (13) on the upper side, the inner surface of the mounting chamber (11) is formed with a plurality of annular grooves (14), and one annular protrusion (13) is fitted with one annular groove (14) and forms one annular gap (12).
3. The labyrinth circulation pump as claimed in claim 1, characterized in that the impeller (2) is provided with a plurality of annular grooves (14) on its upper side, the inner surface of the mounting chamber (11) is provided with a plurality of annular protrusions (13), and one annular protrusion (13) is fitted into one annular groove (14) and forms an annular gap (12).
4. The labyrinth circulation pump as claimed in claim 2 or 3, characterized in that the cross section of the annular projection (13) is rectangular or triangular.
5. The labyrinth circulation pump as claimed in claim 2 or 3, characterized in that the height of the annular projection (13) is 0.7-1.2 mm.
6. Labyrinth circulation pump according to claim 5, characterized in that the height of the annular projection (13) is 0.9 mm.
7. The labyrinth circulation pump as claimed in claim 1, wherein the outer diameters of the plurality of annular slits (12) become gradually larger from the end distant from the mounting shaft of the impeller (2) to the end close to the mounting shaft of the impeller (2).
8. The labyrinth circulating pump as claimed in claim 1, wherein the outer diameter of the upper portion of the impeller (2) becomes gradually larger from the end away from the mounting shaft of the impeller (2) to the end close to the mounting shaft of the impeller (2), and the inner diameter of the mounting chamber (11) fitted to the upper portion of the impeller (2) becomes gradually larger from the end away from the mounting shaft of the impeller (2) to the end close to the mounting shaft of the impeller (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022472968.8U CN213981199U (en) | 2020-10-30 | 2020-10-30 | Labyrinth type circulating pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022472968.8U CN213981199U (en) | 2020-10-30 | 2020-10-30 | Labyrinth type circulating pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213981199U true CN213981199U (en) | 2021-08-17 |
Family
ID=77259693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022472968.8U Active CN213981199U (en) | 2020-10-30 | 2020-10-30 | Labyrinth type circulating pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213981199U (en) |
-
2020
- 2020-10-30 CN CN202022472968.8U patent/CN213981199U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6873677B2 (en) | Liquid pump driven by an electric motor | |
| US7874817B2 (en) | Fuel pump assembly with a vapor purge passage arrangement for a fuel pump module | |
| WO2020246648A1 (en) | Drive motor of electric vehicle having inverter housing mounted therein | |
| US3294025A (en) | Electric centrifugal in-the-tank pump | |
| CN100394677C (en) | AC generator for vehicles | |
| CN114696541A (en) | Structure for injecting cooling oil | |
| CN213981199U (en) | Labyrinth type circulating pump | |
| CN211116655U (en) | Liquid cooling pump | |
| CN112787456B (en) | Vehicle, motor and shell structure | |
| CN108292876A (en) | The rotary electric machine cooled down by heat-transfer fluid | |
| CN211018498U (en) | Water-cooling motor casing for new energy automobile | |
| CN115459479B (en) | Hub motor | |
| CN214707358U (en) | Integrative wheel scale power end cover of electric motor car | |
| CN211127378U (en) | Integrated motor inner shell | |
| CN214206199U (en) | Motor controller upper cover plate, electric drive integrated system and vehicle | |
| CN211116760U (en) | Thrust bearing assembly for pump and electronic water pump | |
| CN210531154U (en) | Side-outlet water-level down multi-stage pump | |
| CN211481035U (en) | Motor casing, motor and vehicle | |
| EP4200519A1 (en) | A dual gerotor apparatus, a powertrain assembley and an electrified vehicle | |
| CN218102784U (en) | Special-shaped end cover for enhancing motor connection stability | |
| JP2000240583A (en) | Electric motor | |
| CN218439867U (en) | Fan structure with integrated middle pipe | |
| CN217994013U (en) | Integrated drive bridge and vehicle | |
| CN212508875U (en) | Electronic water pump | |
| CN218498915U (en) | Integrated housing, electric drive system and vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240828 Address after: 3rd Floor, Production Building 1, No. 1 Yanglin Road, Baiyan Science and Technology Park, High-tech Zone, Hefei City, Anhui Province, 230000 Patentee after: Hefei Xinhu New Energy Co.,Ltd. Country or region after: China Address before: 230000 No.1, Yanglin Road, Baiyan Science Park, Hefei high tech Industrial Development Zone, Anhui Province Patentee before: Hefei Xinhu Canned Motor Pump Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |