CN212115057U

CN212115057U - Integrated oil pump structure

Info

Publication number: CN212115057U
Application number: CN202020495393.9U
Authority: CN
Inventors: 彭家洪; 姚睿娟
Original assignee: Chongqing Qianer Science And Technology Development Co ltd
Current assignee: Qianer Anshi Funeng Chongqing Applied Technology Research Institute Co ltd
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2020-12-08
Anticipated expiration: 2030-04-08

Abstract

The utility model discloses an integrated oil pump structure, including drive arrangement, drive arrangement includes motor, reducing gear box, controller, and integrated oil pump structure still includes the gear box, the gear box inboard is close to the bottom and is equipped with the oil pump, motor casing includes front end housing, box, rear end cap, the cooling oil duct has been arranged in motor casing and the gear box casing, is located the cooling oil duct through connection and the return circuit that forms of motor casing and gear box casing. Compared with the prior art, the utility model discloses an inside the gear box placed in the oil pump, the cooling oil duct directly arranges in motor casing, gear box casing, and whole oil circuit does not have complicated connecting tube, and the transmission distance is short, efficient, can fully solve the quick thermal balance of heat dissipation when motor work starts.

Description

Integrated oil pump structure

Technical Field

The utility model relates to the technical field of motors, specifically be an integrated oil pump structure.

Background

With the development, popularization and popularization of new energy electric vehicles, the development of driving motors for electric vehicles has become a new subject. The driving motor for the electric automobile is a working device for converting electric energy into mechanical energy, and compared with a common dragging motor, the driving motor has the problems that the space for installation is small, the working temperature is high, the outdoor temperature difference is large, the driving motor is frequently started and the like in the working environment. Therefore, the driving motor is required to have the characteristics of high efficiency, low temperature, small volume and the like.

The existing new energy vehicle driving motor part is mostly formed by dispersedly connecting a motor part, a water pump or an oil pump part, a connecting pipeline and a heat dissipation box part, has various parts and complex arrangement of installation space, has great influence on the standardized application of products, has higher failure rate and is influenced by weak parts, such as pipeline aging, transmission failure and the like. With the development of the automobile industry, higher requirements are provided for miniaturization, high power density and high reliability of a motor, and how to efficiently and reliably perform heat dissipation is the core of the faced technology upgrading.

The lubricating system is one of the key factors for normal operation of the engine, and the oil pump is used as a core component of the lubricating system and is used as a device for conveying the oil from an oil sump to a moving part of the engine, so that power is provided for the circulating operation of the whole lubricating system, and the engine is ensured to operate under the verified lubricating condition. Therefore, the design of an integrated oil pump structure with highly integrated structure and modularized functions is a necessary requirement in the industry of new energy vehicle driving motors.

SUMMERY OF THE UTILITY MODEL

The utility model provides an integrated oil pump structure.

In order to solve the technical problem, the utility model discloses a technical scheme does:

the utility model provides an integrated oil pump structure, includes drive arrangement, drive arrangement includes motor, reducing gear box, controller, and integrated oil pump structure still includes the gear box, the gear box is installed in the gear box casing, the gear box inboard is close to the bottom and is equipped with the oil pump, the motor is installed in the motor casing, motor casing is including the front end housing that is used for installing the oil pump, the box that is used for installing reduction gear, controller and motor, rear end cap, the cooling oil duct has been arranged in motor casing and the gear box casing, is located the cooling oil duct through connection and the return circuit that form in motor casing and the gear box casing, the upper surface at motor casing top is equipped with the cooling surface, the cooling surface level sets up, be equipped with the mounting point that is. The oil pump is connected with the front end cover through a first oil duct, the front end cover is connected with the radiating surface through a second oil duct, the radiating surface is connected with the rear end cover through a third oil duct, the rear end cover is connected with the motor shell through a fourth oil duct, and the motor shell is connected with the oil pump through a fifth oil duct.

Furthermore, the motor and the reduction gearbox are connected in a planetary gear speed reduction mode and are coaxially arranged.

Furthermore, a pressure limiting valve is arranged on the first oil duct.

Furthermore, the oil pump is detachably connected with the gear box shell.

Compared with the prior art, the novel heat dissipation device is applied to heat dissipation of the driving motor of the new energy vehicle, the heat dissipation mode of the novel heat dissipation device is mainly realized by circulating the lubricating oil of the gear box in the motor shell and the gear box shell, so that the heat generated by the working of the motor is quickly transferred to the surface of the shell through the circulation of the lubricating oil to exchange heat with air, and the heat dissipation efficiency is high; the utility model discloses an inside the gear box placed in the oil pump, the cooling oil duct directly arranges in motor casing, gear box casing, and whole oil circuit does not have complicated connecting tube, and the transmission distance is short, efficient, can fully solve the quick thermal balance of heat dissipation when motor work starts.

Drawings

Fig. 1 is a schematic structural view of a motor housing;

FIG. 2 is a schematic diagram of a position structure of an oil pump;

FIG. 3 is a top view of the motor housing;

fig. 4 is a schematic view of the motor structure.

In the figure: 1. a front end cover; 2. a box body; 3. a rear end cap; 4. an oil pump; 5. a heat dissipating surface; 6. an electric motor.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 to 4, an integrated oil pump structure comprises a driving device, the driving device comprises a motor 6, a reduction gearbox, a controller, and a gear box, the gear box is installed in a gear box shell, an oil pump 4 is arranged at the inner side of the gear box close to the bottom, the oil pump 4 is directly integrated and arranged in an oil pool in the gear box, and the structure is compact.

The motor 6 is installed in the motor shell, the motor shell comprises a front end cover 1 used for installing an oil pump 4, a box body 2 used for installing a speed reducer, a controller and the motor 6 and a rear end cover 3, cooling oil ducts are arranged in the motor shell and the gear box shell, the cooling oil ducts in the motor shell and the gear box shell are in through connection and form a loop, a radiating surface 5 is arranged on the upper surface of the top of the motor shell, the radiating surface 5 is horizontally arranged, and a mounting point used for installing the controller or a radiating module is arranged on the radiating surface 5. The heat radiating surface 5 is provided with a mounting hole fixedly connected with an external heat radiating module, the heat radiating module is communicated with the cooling oil duct, and the external heat radiating module is connected with the cooling oil duct. The whole machine shell internal circulation liquid integrated cooling system can realize quick superposition of an external heat dissipation oil storage module through a large-area heat dissipation surface of the machine shell and an oil way interface.

As shown in fig. 2, the oil pump 4 is connected with the front end cover 1 through a first oil passage, the front end cover 1 is connected with the heat dissipation surface 5 through a second oil passage, the heat dissipation surface 5 is connected with the rear end cover 3 through a third oil passage, the rear end cover 3 is connected with the motor housing through a fourth oil passage, and the motor housing is connected with the oil pump 4 through a fifth oil passage. And a pressure limiting valve is arranged on the first oil duct.

The motor 6 is connected with the reduction gearbox in a planetary gear speed reduction mode and is coaxially arranged. Each oil duct is communicated with each part to form an annular flow passage, and the heat dissipation effect is good.

The oil pump 4 is detachably connected with the gear box shell.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. The utility model provides an integrated oil pump structure, includes drive arrangement, drive arrangement includes motor (6), reducing gear box, controller, its characterized in that: the integrated oil pump structure further comprises a gear box, the gear box is arranged in a gear box shell, an oil pump (4) is arranged on the inner side of the gear box close to the bottom, the motor (6) is arranged in the motor shell, the motor shell comprises a front end cover (1) for installing the oil pump (4), a box body (2) for installing a speed reducer, a controller and the motor (6) and a rear end cover (3), cooling oil ducts are arranged in the motor shell and the gear box shell, the cooling oil ducts in the motor shell and the gear box shell are connected in a through mode and form a loop, a heat dissipation surface (5) is arranged on the upper surface of the top of the motor shell, the heat dissipation surface (5) is horizontally arranged, and a mounting point for installing the;

the oil pump (4) is connected with the front end cover (1) through a first oil duct, the front end cover (1) is connected with the radiating surface (5) through a second oil duct, the radiating surface (5) is connected with the rear end cover (3) through a third oil duct, the rear end cover (3) is connected with the motor shell through a fourth oil duct, and the motor shell is connected with the oil pump (4) through a fifth oil duct.

2. An integrated oil pump structure according to claim 1, characterized in that: the motor (6) is connected with the reduction gearbox in a planetary gear speed reduction mode and is coaxially arranged.

3. An integrated oil pump structure according to claim 1, characterized in that: and a pressure limiting valve is arranged on the first oil duct.

4. An integrated oil pump structure according to claim 1, characterized in that: the oil pump (4) is detachably connected with the gear box shell.