阅读说明：本技术 一种能够改善电子水泵泵壳溢料的结构 (Structure capable of improving pump case flash of electronic water pump ) 是由 王德安 于 2021-09-30 设计创作，主要内容包括：本发明涉及电子水泵辅助装置领域,具体是一种能够改善电子水泵泵壳溢料的结构,包括按照顺序连接的泵壳、止推垫片、叶轮转子总成、电机总成、控制器总成、电机后盖,所述的泵壳上设置有用于熔胶的泵壳熔凸筋以及用于储存焊接后溢料的储胶槽,所述的电机总成上设置有与泵壳熔凸筋配合的相熔的电机总成熔接筋,通过红外线使泵壳和电机总成相融,融合后通过上下模振动焊接,由于经过前道工序使泵壳熔凸筋和电机总成熔接筋相融,振动焊接时无需受力,使焊接同心度得到保证。(The invention relates to the field of electronic water pump auxiliary devices, in particular to a structure capable of improving pump shell flash of an electronic water pump, which comprises a pump shell, a thrust gasket, an impeller rotor assembly, a motor assembly, a controller assembly and a motor rear cover which are connected in sequence, wherein a pump shell fusion convex rib for melting glue and a glue storage groove for storing flash after welding are arranged on the pump shell, a motor assembly fusion convex rib which is matched with the pump shell fusion convex rib and is fused is arranged on the motor assembly, the pump shell and the motor assembly are fused by infrared rays, and after fusion, vibration welding is carried out by an upper die and a lower die.)

1. The utility model provides a can improve structure of electronic water pump case flash, includes pump case (1), thrust washer (2), impeller rotor assembly (3), motor assembly (4), controller assembly (5), motor rear cover (6) that connect according to the order, its characterized in that: the motor assembly welding device is characterized in that a pump shell welding convex rib (11) for melting glue and a glue storage groove (12) for storing welding flash are arranged on the pump shell (1), and a motor assembly welding rib (41) which is matched with the pump shell welding convex rib (11) and is mutually welded is arranged on the motor assembly (4).

2. The structure capable of improving pump casing flash of the electronic water pump according to claim 1, wherein: the pump shell melting convex rib (11) and the motor assembly welding rib (41) are welded by an infrared vibration welding process, the pump shell (1) and the motor assembly (4) are fused by infrared rays, and the fusion is carried out by vibration welding.

3. The structure capable of improving pump casing flash of the electronic water pump according to claim 1, wherein: the cross sections of the pump shell melting convex ribs (11) and the glue storage grooves (12) are inverted-mountain-shaped.

Technical Field

The invention relates to the field of electronic water pump auxiliary devices, in particular to a structure capable of improving overflowing of a pump shell of an electronic water pump.

Background

The existing water pump adopts vibration friction welding, flash can be generated in a flow channel when a pump shell and a motor assembly are welded by the process, molten materials are simultaneously welded at two ends of the pump shell and the motor assembly by the process through a brand new design, and the molten materials are welded on the opposite single side; the process solves the problems that after welding, the hydraulic part of the water pump has flash, which causes the flash to enter the medium cavity, the impeller is blocked by foreign matters, and the water pump is invalid.

For example, a welding structure of a plastic intake manifold with chinese patent No. 201110262199.1 discloses a welding structure including friction ribs or fusion welding ribs provided at mutually corresponding connection portions of respective segments of the plastic intake manifold; the width of the welding rib is two times or slightly less than two times of that of the existing welding rib B2, 1 flash groove along the length direction is arranged in the middle of the welding rib, and the volume of the flash groove is more than 1.5 times of that of the welding flash; the width B1 of the friction rib is two times or slightly more than two times of that of the existing fusion welding rib B2, and the friction rib is completely contacted with the fusion welding rib in the vibration friction welding process; 0-1 flash groove along the length direction is arranged in the middle of the friction rib. According to the invention, the welding structure of parts of each sub-piece of the plastic inlet manifold is optimized, so that the welding strength is improved, and the welding difficulty is reduced; the welding strength of the plastic intake manifold can be increased by times under the condition of not changing the existing production equipment and production process of the plastic intake manifold, the material is saved, the process difficulty is reduced, the manufacturing period is shortened, the use is flexible, safe and reliable, but the sizes of a flash tank and a friction rib are limited, and meanwhile, the plastic intake manifold cannot be directly taken into use in the field of electronic water pumps and needs to be improved.

Disclosure of Invention

In order to solve the above problems, the present invention provides a structure capable of improving the flash of the pump case of the electronic water pump.

The pump shell is provided with a pump shell melting convex rib used for melting glue and a glue storage groove used for storing welding overflow, and the motor assembly is provided with a motor assembly welding rib which is matched with the pump shell melting convex rib and is melted mutually.

The welding of the pump case melting convex rib and the motor assembly welding rib adopts an infrared vibration welding process, the pump case and the motor assembly are mutually fused through infrared rays, and the fusion is carried out through vibration welding.

The cross sections of the pump shell melting convex ribs and the glue storage grooves are inverted-mountain-shaped.

The invention has the beneficial effects that: the pump shell and the motor assembly are fused through infrared rays, the upper die and the lower die are used for vibration welding after fusion, and the pump shell fusion convex rib and the motor assembly fusion rib are fused through the previous process, so that stress is not required during vibration welding, and the welding concentricity is ensured.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

fig. 3 is a schematic view of a cross-sectional assembly structure of the present invention.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below.

As shown in fig. 1 to 3, a structure capable of improving pump case flash of an electronic water pump comprises a pump case 1, a thrust washer 2, an impeller rotor assembly 3, a motor assembly 4, a controller assembly 5 and a motor rear cover 6 which are connected in sequence, wherein a pump case welding convex rib 11 for melting glue and a glue storage groove 12 for storing flash after welding are arranged on the pump case 1, and a motor assembly welding rib 41 which is matched with the pump case welding convex rib 11 and is fused mutually is arranged on the motor assembly 4.

The friction welding early-stage process is that a groove is formed in the motor assembly 4, a convex rib is arranged on the pump shell 1, and the pump shell is sealed through vibration friction welding; the motor assembly 4 is provided with the convex rib, the pump shell 1 is provided with the pump shell melting convex rib 11 and the glue storage groove 12, and the design has the advantages that the original convex rib is long and high; it is not compatible with the motor assembly 4, and the welding strength and the air tightness are weak.

The pump shell 1 and the pump shell melting convex rib 11 of the motor assembly 4 are compatible in two butt welding, the melting area is small and easy to melt, and the welding strength and the air tightness are guaranteed; the former adopts friction welding technology, the convex rib of the pump shell 1 is forcibly fused into the groove of the motor assembly 4 during vibration, the welding pressure and the vibration are large, the concentricity of the pump shell 1 and the motor assembly 4 cannot be ensured, the latter adopts infrared vibration welding technology, the pump shell 1 and the motor assembly 4 are fused by infrared rays, after fusion, vibration welding is carried out through an upper die and a lower die, and the welding concentricity is ensured because the pump shell molten convex rib 11 and the motor assembly fusion rib 41 are fused through a previous procedure without stress during vibration welding.

The welding of the pump shell melting convex rib 11 and the motor assembly welding rib 41 adopts an infrared vibration welding process, the pump shell 1 and the motor assembly 4 are fused through infrared rays, and the fusion is carried out through vibration welding.

The cross sections of the pump shell melting convex ribs 11 and the glue storage grooves 12 are inverted-mountain-shaped.

The pump case melting convex rib 11 and the motor assembly melting rib 41 are connected by infrared hot melting welding, the welding and the welding are even and firm, and the sol does not overflow the glue storage tank 12.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.