CN-224228883-U - Electronic liquid pump and charging gun wire using same

Abstract

The utility model discloses an electronic liquid pump and a charging gun line using the same, comprising a pump body unit, wherein the pump body unit comprises a pump shell and a base which are matched to form an impeller cavity, and an impeller assembly arranged in the impeller cavity, the impeller assembly comprises an impeller upper cover provided with a liquid inlet, an impeller bottom plate which is matched with the impeller upper cover to form a containing cavity and is provided with a liquid outlet, and an impeller disk arranged in the containing cavity, the base is suitable for being detachably connected with the impeller bottom plate, a liquid discharging channel which is suitable for being communicated with the liquid outlet is formed on the base, the motor unit at least comprises a motor shell which is detachably connected with the base, and an output shaft with one end extending out of the motor shell, and one end of the output shaft is suitable for penetrating through the base, the impeller bottom plate and the impeller disk and then being inserted into the impeller upper cover.

Inventors

• WANG SHIQUAN
• YAN JINGFEN
• SUN CHENYANG

Assignees

• 常州雷利电机科技有限公司

Dates

Publication Date

20260512

Application Date

20250529

Claims (10)

1. 1. An electronic liquid pump comprising: The pump body unit comprises a pump shell, a base and an impeller assembly, wherein the pump shell and the base are matched to form an impeller cavity, the impeller assembly is arranged in the impeller cavity, and the impeller assembly comprises an impeller upper cover provided with a liquid inlet, an impeller bottom plate which is matched with the impeller upper cover to form a containing cavity and provided with a liquid outlet, and an impeller disk arranged in the containing cavity; the motor unit at least comprises a motor shell detachably connected with the base, and an output shaft with one end extending out of the motor shell, wherein one end of the output shaft is suitable for being inserted into the impeller upper cover after penetrating through the base, the impeller bottom plate and the impeller disc.
2. 2. The electronic liquid pump of claim 1, wherein the base includes a body portion for mating with the pump housing to form the impeller cavity and an extension connected to a circumferentially outer sidewall of the body portion for mating with the motor housing.
3. 3. The electronic liquid pump of claim 2, wherein the body portion is provided with at least three mating holes circumferentially spaced apart, each of the mating holes being adapted to be connected to the impeller base plate by a fastener.
4. 4. An electronic liquid pump as claimed in claim 3, wherein at least three of the mating holes in the body portion are non-uniformly distributed in the circumferential direction.
5. 5. The electronic liquid pump of any one of claims 2-4, wherein at least three connecting lugs are arranged on the extension part at intervals along the circumferential direction, and each connecting lug is provided with a connecting hole; Each of the connection holes is adapted to be connected to the motor housing by a connection member.
6. 6. The electronic liquid pump of claim 5, wherein the motor housing is configured to hold a motor At least three connecting rings which are suitable for being matched with each connecting lug one by one are arranged, and each connecting ring is provided with a fastening hole for matching with a connecting piece.
7. 7. The electronic liquid pump of claim 6, wherein the pump housing is provided with at least three fastening rings adapted to mate one-to-one with each connecting ring, each of the fastening rings adapted to mate with a connector.
8. 8. The electronic liquid pump of any of claims 2-4, wherein a seal ring is further provided between the extension and the motor housing.
9. 9. The electronic liquid pump of any of claims 2-4, wherein a seal is further provided between the extension and the pump housing.
10. 10. A charging gun line according to any one of claims 1 to 9, comprising an electronic liquid pump.

Description

Electronic liquid pump and charging gun wire using same Technical Field The utility model relates to the technical field of power equipment, in particular to an electronic liquid pump and a charging gun line using the same. Background With the rapid development of the electric automobile industry, in order to make the waiting time for charging become shorter, the charging power of the electric automobile is continuously increased, the charging gun line load current is gradually increased due to the increase of the charging power, and the heat dissipation requirement of the charging gun line is more severe due to the increase of the load current. Traditional forced air cooling heat dissipation can't satisfy the great heat dissipation capacity demand of charging rifle line, and the excellent heat dissipation mode of liquid cooling just can solve the a large amount of heat dissipation problems of charging rifle line, and the excellent heat dissipation mode of liquid cooling mainly relies on its core component electron liquid pump to realize. At present, the industry generally adopts a crimping mode to enable a liquid cooling cable to be fixedly connected with a charging gun head and enable the liquid cooling cable to be fixedly connected with a charging pile, the liquid cooling cable is used for cooling liquid to flow, and the length of the liquid cooling cable is long, so that the requirement on the lift of an adopted electronic liquid pump is high. The publication No. CN 222746256U discloses an electronic liquid pump and a charging gun wire using the same, which can meet the use requirement of high lift, but are combined with the practical production and use process, the adopted pump housing and base for being matched to form an impeller cavity are integrally formed with the motor housing, a stator component is accommodated in the motor housing to form a dry cavity, a rotor component is accommodated in a cavity formed by the stator component and the base to form a wet cavity, and the wet cavity is used for accommodating liquid. Based on this structure, to the motor casing of integrated into one piece base, increased the mould cost of stator module injection molding (the mould expense is high, and the degree of difficulty of moulding plastics is big), reduced stator module's production efficiency simultaneously to, based on the problem that need examine and repair stator module in the use, also increased its degree of difficulty. Therefore, for the electronic liquid pump used in the charging gun line, the problems of reducing the difficulty of the injection mold of the stator assembly and improving the production efficiency of the stator assembly are solved, and the structure of the electronic liquid pump is further optimized. Disclosure of utility model A first object of the present utility model is to provide an electronic liquid pump to solve the technical problem of reducing the production cost thereof. The second object of the present utility model is to provide a charging gun line, so as to solve the technical problem of reducing the production cost of the electronic liquid pump adopted by the charging gun line. The electronic liquid pump of the present utility model is realized as follows: An electronic liquid pump comprising: The pump body unit comprises a pump shell, a base and an impeller assembly, wherein the pump shell and the base are matched to form an impeller cavity, the impeller assembly is arranged in the impeller cavity, and the impeller assembly comprises an impeller upper cover provided with a liquid inlet, an impeller bottom plate which is matched with the impeller upper cover to form a containing cavity and provided with a liquid outlet, and an impeller disk arranged in the containing cavity; the motor unit at least comprises a motor shell detachably connected with the base, and an output shaft with one end extending out of the motor shell, wherein one end of the output shaft is suitable for being inserted into the impeller upper cover after penetrating through the base, the impeller bottom plate and the impeller disc. In an alternative embodiment of the utility model, the base comprises a body portion for cooperating with the pump housing to form the impeller cavity and an extension connected to a circumferentially outer side wall of the body portion for mating with the motor housing. In an alternative embodiment of the utility model, at least three mating holes are provided on the body portion at intervals along the circumferential direction, each of the mating holes being adapted to be connected to the impeller base plate by a fastener. In an alternative embodiment of the present utility model, at least three of the mating holes on the body portion are unevenly distributed along the circumferential direction. In an alternative implementation case of the utility model, at least three connecting lugs are arranged on the extension part at intervals along the circumferential direction, a