CN210949253U - Automobile electronic water pump impeller - Google Patents
Automobile electronic water pump impeller Download PDFInfo
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- CN210949253U CN210949253U CN201922048987.5U CN201922048987U CN210949253U CN 210949253 U CN210949253 U CN 210949253U CN 201922048987 U CN201922048987 U CN 201922048987U CN 210949253 U CN210949253 U CN 210949253U
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- impeller
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- limiting
- spacing
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Abstract
The utility model discloses an automotive electronics water pump impeller, include: the impeller comprises an impeller and an impeller cover connected with the impeller, wherein the blades of the impeller are provided with limiting bulges, and the impeller cover is provided with limiting grooves for the insertion and welding of the limiting bulges. Through set up spacing arch on the blade to insert spacing arch in the spacing groove, when can making impeller and impeller cover rotate simultaneously, the moment of torsion is transmitted to the impeller cover through spacing arch by the impeller, under spacing groove and spacing bellied interact, guarantees the stability of moment of torsion transmission, and welds spacing arch and spacing groove through the welded mode, can further guarantee impeller and impeller cover synchronous pivoted stability, thereby reach the purpose of impeller and impeller cover stable connection.
Description
Technical Field
The utility model relates to an impeller technical field, more specifically say, relate to an automotive electronics water pump impeller.
Background
Most of the existing water pump impeller structures are integrated, and the manufacturing difficulty is too high. Some also have split structures: the impeller comprises a wheel disc, a plurality of arc-shaped blades fixed at the upper end of the wheel disc, and an impeller front cover connected to the upper ends of the arc-shaped blades, wherein the impeller front cover is fixed on the arc-shaped blades through friction welding. However, since the impeller front cover is fixed to the arc-shaped blades by friction welding and the impeller is rotated, the blades and the impeller front cover are connected only by welding points and transmit force, and the stability of the connection structure is poor.
In summary, how to improve the connection stability between the vane and the impeller cover is a problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides an electronic water pump impeller for an automobile, in which a blade and an impeller cover can be stably connected.
In order to achieve the above object, the present invention provides the following technical solutions:
an automotive electric water pump impeller comprising: the impeller comprises an impeller and an impeller cover connected with the impeller, wherein the blades of the impeller are provided with limiting bulges, and the impeller cover is provided with limiting grooves for the limiting bulges to be inserted and welded.
Preferably, the stopper protrusion is welded to the stopper groove by ultrasonic welding.
Preferably, the limiting protrusion is a rib arranged at the top of the blade and arranged along the extending direction of the blade.
Preferably, the impeller comprises an impeller disc, blades arranged on the impeller disc and a shaft hole arranged in the center of the impeller disc, the impeller cover comprises a cover plate, a limiting groove arranged on the cover plate and an opening arranged in the center of the cover plate, and the outer diameters of the impeller disc and the cover plate are consistent.
Preferably, the radius of the opening is equal to the distance from the blade to the axial center of the shaft hole.
Preferably, the inner wall of the shaft hole is provided with an annular groove arranged along the circumferential direction of the shaft hole, and the annular groove is internally provided with a nesting used for connecting a driving shaft.
Preferably, the impeller and the impeller cover are both injection molded parts.
The utility model provides a pair of automotive electronics water pump impeller, include: the impeller comprises an impeller and an impeller cover connected with the impeller, wherein the blades of the impeller are provided with limiting bulges, and the impeller cover is provided with limiting grooves for the insertion and welding of the limiting bulges.
Through set up spacing arch on the blade to insert spacing arch in the spacing groove, when can making impeller and impeller cover rotate simultaneously, the moment of torsion is transmitted to the impeller cover through spacing arch by the impeller, under spacing groove and spacing bellied interact, guarantees the stability of moment of torsion transmission, and welds spacing arch and spacing groove through the welded mode, can further guarantee impeller and impeller cover synchronous pivoted stability, thereby reach the purpose of impeller and impeller cover stable connection.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a cross-sectional view of an impeller of an automotive electronic water pump provided by the present invention;
fig. 2 is a schematic view of an impeller of an automotive electronic water pump provided by the present invention;
fig. 3 is a schematic view of an impeller provided by the present invention;
fig. 4 is a schematic view of an impeller cover provided by the present invention.
In FIGS. 1-4:
1-impeller cover, 2-impeller, 3-nesting, 4-impeller disc, 5-shaft hole, 6-convex rib, 7-blade, 8-cover plate, 9-opening and 10-spacing groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The core of the utility model is to provide an automobile electronic water pump impeller that blade and impeller lid can be stably connected.
Referring to fig. 1 to 4, fig. 1 is a cross-sectional view of an impeller of an automotive electronic water pump according to the present invention; fig. 2 is a schematic view of an impeller of an automotive electronic water pump provided by the present invention; fig. 3 is a schematic view of an impeller provided by the present invention; fig. 4 is a schematic view of an impeller cover provided by the present invention.
An automotive electric water pump impeller comprising: the impeller comprises an impeller 2 and an impeller cover 1 connected with the impeller 2, wherein a limiting bulge is arranged on a blade 7 of the impeller 2, and a limiting groove 10 for inserting and welding the limiting bulge is arranged on the impeller cover 1.
It should be noted that the impeller 2 is wheel-shaped, the periphery is circular, the shape of the blade 7 on the impeller 2 can be set according to the actual working condition, and usually a curve with better water pumping effect can be adopted. The impeller 2 and the impeller cover 1 are made of the same material, so that welding is convenient.
The limiting protrusions can be of any structure and can be arranged at any position of the blade 7, but it should be noted that, when the impeller cover 1 is installed on the impeller 2, one surface of the impeller cover 1, which is provided with the limiting groove 10, is arranged opposite to one surface of the impeller 2, which is provided with the blade 7, and the limiting protrusions need to be inserted into the limiting groove 10, so that the limiting protrusions need to protrude out of the part of the blade 7, which is closest to the impeller cover 1, so as to prevent the limiting protrusions from being inserted into the limiting groove 10 when the impeller cover 1 is attached to the blade 7.
The shape of spacing groove 10 can set up according to spacing bellied shape, as long as make spacing arch insert in spacing groove 10 can, but need notice, spacing bellied protruding height should not set up too high, too high can lead to the space increase, joint strength reduces, also should not set up too low, crosses lowly and probably leads to connecting stability poor.
Through set up spacing arch on blade 7, and insert spacing arch in spacing groove 10, convenient assembling, can play certain positioning action simultaneously, when making impeller 2 rotate with impeller lid 1 simultaneously, the moment of torsion is transmitted to impeller lid 1 through spacing arch by impeller 2, under spacing groove 10 and spacing bellied interact, guarantee the stability of moment of torsion transmission, and weld spacing arch and spacing groove 10 through the welded mode, can further guarantee impeller 2 and impeller lid 1 synchronous pivoted stability, thereby reach impeller 2 and impeller lid 1 stable connection's purpose.
In addition to the above embodiments, it is further preferable that the impeller 2 includes an impeller disk 4, blades 7 provided on the impeller disk 4, and a shaft hole 5 provided in the center of the impeller disk 4, the impeller cover 1 includes a cover plate 8, a stopper groove 10 provided on the cover plate 8, and an opening 9 provided in the center of the cover plate 8, and the outer diameters of the impeller disk 4 and the cover plate 8 are the same.
It should be noted that, the end face of the shaft hole 5 of the impeller disk 4 facing the impeller cover 1 is provided with an axial tapered structure, the tapered direction is from the impeller disk 4 to the impeller cover 1, that is, the closer to the shaft hole 5, the shorter the distance from the impeller cover 1, the purpose of the tapered structure is to reduce the resistance to water and guide the water from the tapered structure to the direction of the blades 7 because the water inlet direction is from the impeller cover 1 to the impeller disk 4 and enters from the opening 9, and the water moves axially towards the impeller disk 4.
The number of the blades 7 can be set according to actual conditions, preferably, the number of the blades 7 is 8, the blades 7 can be set to be arc-shaped, the blades extend from the shaft hole 5 to the edge of the impeller disc 4, the protruding direction faces the impeller cover 1, and all the blades 7 are substantially uniformly distributed on the impeller disc 4 in a vortex shape. The impeller disc 4 is circular.
The shaft hole 5 is a circular hole for fitting with a driving device, and is usually mounted on a driving shaft so that the driving shaft is inserted into the shaft hole 5. The inner diameter of the opening 9 is slightly larger than that of the shaft hole 5 to increase the water inflow.
The cover plate 8 is a plate with the outer diameter consistent with that of the impeller disc 4, an opening 9 is arranged in the center, and a limiting groove 10 is arranged on the plate surface facing the impeller disc 4. In this embodiment, can set up the arch on apron 8 and form spacing groove 10, for example, can set up the bar arch, the bellied extending direction of bar is unanimous with spacing bellied extending direction, and two bar archs are protruding to each spacing arch correspondence, and two bar archs are parallel arrangement, and the face with apron 8 between two bar archs forms spacing groove 10, when connecting, make spacing arch insert between two bar archs and the welding can. The impeller 2 and the impeller cover 1 adopted by the embodiment have simple structures and are convenient to process and install.
In addition to the above embodiments, it is further preferable that the radius of the opening 9 is equal to the distance from the vane 7 to the axial center of the shaft hole 5. The radius of the opening 9 is set so that the top of the vane 7 can be connected to the impeller cover 1 at all positions after the impeller 2 is connected to the impeller cover 1, thereby increasing the connection strength.
In addition to the above-mentioned embodiments, it is further preferable that an annular groove is provided on the inner wall of the shaft hole 5 along the circumferential direction of the shaft hole 5, and a nest 3 for connecting the driving shaft is provided in the annular groove.
It should be noted that, the depth direction of the annular groove is arranged along the radial direction of the shaft hole 5, and is recessed on the inner wall of the shaft hole 5, and the inner diameters of the two ends of the shaft hole 5 are smaller than the outer diameter of the nesting 3, so that the nesting 3 can be stably installed in the annular groove. The center of the nesting 3 is provided with a through hole for inserting the driving shaft, and the nesting 3 can enhance the friction bonding force with the driving shaft, so that the mechanical principle is better met, the torsion is enhanced, and the service life is long. Preferably, the nesting 3 is a stainless steel nesting, and the nesting 3 made of stainless steel materials can well adapt to the application environment of the water pump while having certain strength, and is rust-proof and corrosion-resistant.
In addition to the above embodiments, it is further preferable that the stopper projection is ultrasonically welded to the stopper groove 10. After spacing arch inserted spacing groove 10, adopt ultrasonic bonding to weld spacing arch and spacing groove 10's joint, ultrasonic bonding welds fastly for traditional welding, and welding strength is high, the leakproofness is good, low cost, clean pollution-free and can not harm spacing arch and spacing groove 10.
In addition to the above embodiment, it is further preferable that the stopper projection is a rib 6 provided on the top of the blade 7 and extending in the extending direction of the blade 7. It should be noted that the rib 6 protrudes from the top of the blade 7, and after the limiting protrusion is inserted into the limiting groove 10, the blade 7 is located between the impeller cover 1 and the impeller 2, and the rib 6 is inserted into the limiting groove 10 without hindering the normal operation of the blade 7. The rib 6 is provided along the extending direction of the blade 7, and when the blade 7 is curved, the rib 6 is also curved in conformity with the shape of the blade 7. The rib 6 provided by the embodiment is convenient to process.
In addition to the above embodiments, it is further preferable that the impeller 2 and the impeller cover 1 are injection molded parts. It should be noted that, because the blades 7 on the front cover of the existing impeller 2 and the front cover of the impeller 2 both need to be made of metal, the manufacturing cost is high. In the embodiment, the impeller 2 and the impeller cover 1 are made of plastic parts, so that the cost is low. When the impeller 2 is manufactured by injection molding, the stainless steel embedded sleeve is coated with plastic (namely, the stainless steel embedded sleeve is subjected to injection molding processing), the embedded sleeve 3 adopts a stepped structure with two small ends and a large middle part, and the impeller 2 is firm in internal position and stable in structure after injection molding.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
It is right above the utility model provides an automobile electronic water pump impeller has carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (7)
1. An automotive electronic water pump impeller, comprising: the impeller comprises an impeller (2) and an impeller cover (1) connected with the impeller (2), wherein limiting protrusions are arranged on blades (7) of the impeller (2), and limiting grooves (10) used for allowing the limiting protrusions to be inserted and welded are formed in the impeller cover (1).
2. The automotive electric water pump impeller according to claim 1, wherein the impeller (2) comprises an impeller disc (4), blades (7) arranged on the impeller disc (4) and a shaft hole (5) arranged in the center of the impeller disc (4), the impeller cover (1) comprises a cover plate (8), a limiting groove (10) arranged on the cover plate (8) and an opening (9) arranged in the center of the cover plate (8), and the outer diameter of the impeller disc (4) is consistent with that of the cover plate (8).
3. The automotive electric water pump impeller as claimed in claim 2, wherein the radius of the opening (9) is equal to the distance from the blade (7) to the axial center of the shaft hole (5).
4. The automobile electronic water pump impeller as claimed in claim 3, wherein an annular groove is formed in the inner wall of the shaft hole (5) and arranged along the circumferential direction of the shaft hole (5), and a nesting sleeve (3) for connecting a driving shaft is arranged in the annular groove.
5. The automotive electric water pump impeller as claimed in any one of claims 1 to 4, wherein the limiting protrusion is ultrasonically welded to the limiting groove (10).
6. The automotive electric water pump impeller as claimed in claim 5, wherein the limiting protrusion is a rib (6) arranged on the top of the blade (7) and arranged along the extending direction of the blade (7).
7. The automotive electric water pump impeller as claimed in claim 6, characterized in that the impeller (2) and the impeller cover (1) are both injection molded parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922048987.5U CN210949253U (en) | 2019-11-22 | 2019-11-22 | Automobile electronic water pump impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922048987.5U CN210949253U (en) | 2019-11-22 | 2019-11-22 | Automobile electronic water pump impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210949253U true CN210949253U (en) | 2020-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922048987.5U Active CN210949253U (en) | 2019-11-22 | 2019-11-22 | Automobile electronic water pump impeller |
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| CN (1) | CN210949253U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023061920A1 (en) * | 2021-10-13 | 2023-04-20 | KSB SE & Co. KGaA | Impeller having a toothing in the cover plate |
| US11781549B1 (en) | 2022-12-09 | 2023-10-10 | Waymo Llc | Air cooling system for electronic spinning assembly |
-
2019
- 2019-11-22 CN CN201922048987.5U patent/CN210949253U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023061920A1 (en) * | 2021-10-13 | 2023-04-20 | KSB SE & Co. KGaA | Impeller having a toothing in the cover plate |
| US11781549B1 (en) | 2022-12-09 | 2023-10-10 | Waymo Llc | Air cooling system for electronic spinning assembly |
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