CN218644515U

CN218644515U - Automobile-used impeller rotor subassembly of plastic construction

Info

Publication number: CN218644515U
Application number: CN202223418863.XU
Authority: CN
Inventors: 张成虎; 黄小虎; 宋先凯; 徐君; 李卫峰; 蒲新阳
Original assignee: Anhui Weil Low Carbon Technology Co ltd
Current assignee: Anhui Weil Low Carbon Technology Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-03-17
Anticipated expiration: 2032-12-20

Abstract

The utility model relates to the technical field of electronic water pumps, in particular to a vehicle impeller rotor component with a plastic structure; the impeller rotor assembly comprises an upper impeller half, an impeller body, a shaft tube, a rotor and a graphite bearing, wherein the upper impeller half and the impeller body are connected together through a welding process, the rotor and the shaft tube are pre-embedded in the injection molding of the impeller body, the upper end and the lower end of the shaft tube are provided with the graphite bearing, the center of the shaft tube is symmetrical, the upper part and the lower part of the graphite bearing are universal, the subsequent difficult problems that the rotor and the shaft tube are difficult to assemble and easy to assemble and misplace are solved, the impeller body is provided with a water pressure balance hole, and the body is provided with an assembling positioning pin, so that the welding is more convenient; the utility model discloses an impeller rotor subassembly, simple process, easy assembly, and the uneven problem of the inside and outside water pressure of effective balanced impeller can extensively apply to in cooling system's product.

Description

Plastic construction's automobile-used impeller rotor subassembly

Technical Field

The utility model relates to an electronic water pump technical field, concretely relates to plastic construction's automobile-used impeller rotor subassembly.

Background

The impeller rotor assembly is a key part of an electronic water pump in a cooling system, and the performance of the whole water pump is directly influenced by the structure of each cavity in the impeller rotor assembly.

Impeller rotor subassembly among the electronic water pump on the current market adopts impeller body, rotor subassembly, central siphon mounting structure mostly, and the assembly is more troublesome, and does not control interval and cooperation between relatively well, and the more structure of part is complicated, and production and manufacturing all can need higher cost.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned shortcoming that prior art exists, the utility model provides a plastic construction's impeller rotor subassembly, the utility model discloses an impeller rotor subassembly, simple process, easy assembly, and the uneven problem of the inside and outside water pressure of effective balanced impeller can extensively apply to in cooling system's product.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a plastic construction's automobile-used impeller rotor subassembly, the impeller body is constituteed with the impeller body to impeller rotor's the first half of impeller, the impeller body is in the same place through ultrasonic bonding with the impeller body again by the first half of impeller, the impeller body accomplish of moulding plastics as an organic whole, central siphon and rotor subassembly in the impeller body are pre-buried when moulding plastics to injection mold in, impeller rotor subassembly is after the welding is accomplished, two graphite bearing about the pressure equipment, two are the same about the graphite bearing, central siphon in the impeller body is central symmetrical structure, can not misplace when moulding plastics.

Further, the upper half of the impeller rotor and the impeller body form an impeller body, the formed impeller body is divided into seven independent flowing directions by 7 independent blades, and each flowing direction is uniformly distributed.

Furthermore, the impeller body is provided with a welding protrusion structure and a positioning structure, and the protrusion structures are arranged at two ends of the positioning structure.

Furthermore, the impeller upper half is designed with a welding recessed structure and a positioning structure, and the recessed structure is arranged at two ends of the positioning structure.

Furthermore, the impeller body is integrally molded by injection, and a motor stator assembly and a shaft tube are embedded into an injection mold during injection molding.

Furthermore, the impeller body is provided with a water pressure balancing hole, so that the water pressure between the inside and the outside of the impeller body can be effectively balanced.

Furthermore, the central symmetry structure of shaft tube prevents the wrong dress when moulding plastics.

Furthermore, the number of the graphite bearings is 1 in the upper part and 1 in the lower part, and the graphite bearings are the same, so that misassembly during assembly is prevented.

Furthermore, the motor stator is bonded neodymium iron boron magnetic steel which is not magnetized.

Furthermore, when the impeller body is injected, the injection molding material and the rotor assembly are combined in a crossed manner, so that the rotor and the impeller body are prevented from rotating.

Advantageous effects

Adopt the utility model provides a technical scheme compares with known public technique, has following beneficial effect:

the utility model provides a plastic construction impeller rotor subassembly is the integral type structure for adopting, simple structure, and convenient assembling has practiced thrift manufacturing cost relatively, and can effectively equalize the uneven problem of the inside and outside water pressure of impeller, can extensively apply to in cooling system's product.

Drawings

Fig. 1 is a schematic structural view of a plastic structure impeller rotor assembly of the utility model;

fig. 2 is a central cross-sectional view of a plastic impeller rotor assembly of the present invention;

fig. 3 is a schematic view of an impeller body of a plastic structure impeller rotor assembly of the present invention;

fig. 4 is a schematic view of an impeller body of the plastic structure impeller rotor assembly of the present invention;

fig. 5 is a schematic view of the upper half of the impeller of the plastic structure impeller rotor assembly of the present invention.

The reference numbers in the figures illustrate:

1. the upper half of the impeller; 2. an impeller body; 3. a graphite bearing; 4. an impeller body; 21. injection molding of the impeller body; 22. an axle tube; 23. a motor stator; 211. a balance hole; 212. a raised structure; 213. a positioning structure; 214. a blade; 11. and (4) a concave structure.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", etc. indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, which are merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other; the specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in fig. 1-5, the utility model provides a plastic construction's impeller rotor subassembly, impeller rotor subassembly package impeller first 1, impeller body 2, graphite bearing 3 is constituteed, impeller first 1 is in the same place through ultrasonic bonding with impeller body 2, constitute impeller body 4, impeller body 2 has integrateed central siphon 22 and motor stator 23, motor stator 23 at first overlaps on central siphon 22, then mould plastics in pre-buried to the mould, wherein central siphon 22 and motor stator 23 do not have the direction requirement, the direction error when avoiding moulding plastics again, motor stator 23 after moulding plastics is relatively fixed in impeller body 2, and can effectually guarantee the relative position of motor stator 23 in impeller body 2, impeller first 1 and impeller body 2 constitute impeller body 4, impeller body 4 who constitutes is separated by 7 independent blades 214 and flows to seven, and every flows to evenly distributed, and have water pressure balance hole 211 on impeller body 2, impeller body 2 goes up the design has protruding welding structure 212 and location structure 213, protruding structure 212 is at location structure 213's both ends, 1 design has sunken structure 213 and location structure 213 when the graphite bearing 11 is the same at the graphite bearing 11 both ends, graphite bearing 3 both ends of the wrong installation motor spare is the neodymium iron boron magnet spare for the same, it is the graphite bearing 213 to prevent the wrong installation motor 2, the neodymium iron boron magnet.

Different from the prior cylindrical graphite bearing, the invention adopts the T-shaped graphite bearing 3, and when the graphite bearing 3 is pressed and assembled, the T-shaped step is used for limiting, thus effectively ensuring that the product is assembled to a set position.

The convex structure 212 arranged on the impeller body 2 is a triangular structure, when the convex structure is welded with the upper half 1 of the impeller, the flash generated by welding can be collected in the concave structure 11 of the upper half 1 of the impeller, so that the flash can be effectively prevented from flowing out and affecting the cleanliness of the product.

The pressure balance hole 211 provided in the impeller body 2 allows pressure adjustment through the balance hole 211 when the water pressure in the inner and outer cavities of the impeller body 4 is uneven during high-speed operation of the impeller.

When the impeller body is injected 21, the injection molding material and the rotor assembly are combined in a crossed manner to prevent the rotor and the impeller body 2 from rotating.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a plastic construction's automobile-used impeller rotor subassembly, its characterized in that, the impeller body is constituteed with the impeller body to impeller rotor's the first half of impeller, the impeller body is passed through ultrasonic bonding by the first half of impeller and impeller body and is in the same place again, the impeller body accomplish of moulding plastics as an organic whole, central siphon and rotor subassembly in the impeller body are pre-buried when moulding plastics to injection mold, impeller rotor subassembly is after the welding is accomplished, two graphite bearing about the pressure equipment, two are the same about the graphite bearing, central siphon in the impeller body is central symmetry structure, can not misplace when moulding plastics.

2. The plastic structural vehicular impeller rotor assembly of claim 1, wherein the impeller rotor upper half and the impeller body constitute an impeller body, the impeller body is divided into seven independent flow directions by 7 independent blades, and each flow direction is uniformly distributed.

3. The plastic vehicular impeller rotor assembly according to claim 1, wherein the impeller body is designed with a welding protrusion structure and a positioning structure, and the protrusion structure is arranged at two ends of the positioning structure.

4. The plastic vehicular impeller rotor assembly according to claim 1, wherein the impeller upper half is designed with a welding recess structure and a positioning structure, and the recess structure is arranged at two ends of the positioning structure.

5. The plastic structure impeller rotor assembly for vehicle of claim 1, wherein the impeller body is integrally injection molded, and the motor stator assembly and the shaft tube are pre-embedded in an injection mold during injection molding.

6. The plastic structural vehicular impeller rotor assembly of claim 1, wherein the impeller body is provided with a water pressure balancing hole for effectively balancing the water pressure between the inside and the outside of the impeller body.

7. A plastic structural vehicular impeller rotor assembly in accordance with claim 1, wherein said shaft tube is of a central symmetrical structure to prevent mis-assembly during injection molding.

8. The plastic structure vehicular impeller rotor assembly as claimed in claim 1, wherein the number of the graphite bearings is 1 for each of the upper and lower parts, and the graphite bearings are identical to prevent misassembly during assembly.

9. The plastic vehicular impeller rotor assembly as claimed in claim 5, wherein the motor stator is non-magnetized bonded NdFeB magnet steel.

10. The plastic structural impeller rotor assembly of claim 1, wherein the injection molding material and the rotor assembly are cross-coupled to prevent rotation between the rotor and the impeller body when the impeller body is injection molded.