New energy automobile motor shell structure
By designing a new energy vehicle motor housing structure including a motor housing, a liquid inlet, a liquid outlet and a cooling chamber, the problem of poor heat dissipation effect of the existing motor housing is solved, and more efficient heat dissipation and extended service life are achieved.
Patent Information
- Application Number
- CN202421586280.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-05
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-07-05
AI Technical Summary
The heat dissipation effect of existing new energy vehicles motor housings is poor, resulting in damage to the motor at high temperatures and low service life.
A new energy vehicle motor housing structure is designed, including a motor housing, liquid inlet pipe, liquid outlet pipe, cooling chamber and motor inner shell. By introducing coolant or cooling oil into the cooling chamber of the motor housing and inner shell, the heat emitted by the motor is absorbed and discharged into the cooling system through the liquid outlet pipe, more effective heat dissipation is achieved.
It improves the heat dissipation effect and service life of new energy vehicle motors, and avoids damage caused by overheating of the motor.
Smart Images
Figure CN222776043U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of new energy automobile motors, in particular to a housing structure of a new energy automobile motor. Background Art
[0002] New energy vehicles refer to vehicles that use unconventional vehicle fuels as a power source (or use conventional vehicle fuels and new vehicle-mounted power devices), integrate advanced technologies in vehicle power control and drive, and form vehicles with advanced technical principles, new technologies, and new structures. New energy vehicles require the use of motors, which refer to the drive motors used in electric vehicles. Depending on the use environment and frequency of use, the forms are different, and the characteristics of different forms of motors are also different. Electric vehicle motors generally use permanent magnet DC motors. Electric vehicle motors can be divided into two categories according to the form of motor power supply: brushed motors and brushless motors; according to the mechanical structure of the motor assembly, they are generally divided into two categories: "toothed" and "toothless".
[0003] However, during the use of the existing new energy vehicle motor housing structure, when the new energy vehicle motor housing is installed with the rotor and other components and is in operation, heat will be generated due to the operation of the components, and the heat will act on the motor housing. Since the motor housing has a poor heat dissipation effect, when the temperature is too high, it will cause damage to the rotor and other components, resulting in the problem of short service life of the new energy vehicle motor. Utility Model Content
[0004] In view of the deficiencies in the prior art, the utility model provides a new energy vehicle motor housing structure to solve the problems that the existing motor housing has poor heat dissipation effect, when the temperature is too high, it will cause damage to components such as the rotor, resulting in a short service life of the new energy vehicle motor, and so on.
[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a new energy vehicle motor housing structure, including a motor housing, the outer side of the motor housing is respectively fixedly connected with a liquid inlet pipe and a liquid outlet pipe, the outer sides of both ends of the motor housing are fixedly connected with nut sleeves, one end of the nut sleeve is penetrated by a threaded opening, the inner side of the threaded opening is threadedly connected with a fixing screw, one end of the motor housing is fixedly connected with a motor front cover through a fixing screw, the outer sides of the motor front cover are respectively fixedly connected with a connecting sleeve and an installation assembly, the back side of the motor front cover is integrally fixedly connected with a sealing assembly, the inside of the motor housing is fixedly connected with a motor inner shell, the inside of the motor inner shell is provided with an installation cavity, and a cooling cavity is provided between the motor housing and the motor inner shell.
[0006] Preferably, the mounting assembly comprises a mounting angle and a mounting opening, the mounting angle is fixedly connected to the outside of the motor front cover, and the mounting opening is provided on the front side of the mounting angle.
[0007] Preferably, the sealing assembly comprises a sealing sleeve and a sealing gasket, the sealing sleeve is integrally fixedly connected to the back side of the motor front cover, and the back side of the sealing sleeve is fixedly connected to the sealing gasket.
[0008] Preferably, the other end of the motor housing is fixedly connected to the motor back cover via a fixing screw, the outer side of the motor back cover is fixedly connected to a mounting sleeve, and the mounting sleeve is threadedly connected to the fixing screw.
[0009] Preferably, a rotating shaft sleeve is fixedly connected to the front side of the motor front cover, and a through opening is opened on the front side of the rotating shaft sleeve.
[0010] Preferably, the motor housing includes a motor inner housing inside the motor housing, a liquid inlet pipe and a liquid outlet pipe outside the motor housing, and a nut sleeve connected to the motor housing, which are an integrated die-cast structure.
[0011] Preferably, the connecting sleeve is threadedly connected to the fixing screw, and four connecting sleeves are provided, and the four connecting sleeves are arranged at equal distances.
[0012] The utility model provides a new energy vehicle motor housing structure, which has the following beneficial effects:
[0013] The utility model provides a motor casing, a liquid inlet pipe, a liquid outlet pipe, a cooling cavity and a motor inner casing. When the motor casing structure of the new energy vehicle is used, the staff installs the motor rotor and other components in the installation cavity of the motor inner casing, and then docks the installation sleeve of the motor rear cover and the connecting sleeve of the motor front cover on the nut sleeve and fixes them with fixing screws, and then connects the liquid inlet pipe and the liquid outlet pipe to the cooling system of the vehicle respectively. When the motor of the new energy vehicle generates heat during operation, the coolant or cooling oil of the new energy vehicle flows into the cooling cavity of the motor casing and the motor inner casing through the liquid inlet pipe. At this time, the coolant and the cooling oil will absorb the heat generated by the motor of the new energy vehicle, and be discharged into the cooling system of the new energy vehicle through the liquid outlet pipe, thereby taking away the heat generated by the motor of the new energy vehicle and dissipating the heat, thereby improving the heat dissipation effect and service life of the motor of the new energy vehicle, and avoiding damage caused by overheating of the motor. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0015] Figure 2 It is a partial structural schematic diagram of the inner shell of the motor of the utility model;
[0016] Figure 3 It is a partial structural schematic diagram of the front cover of the motor of the utility model;
[0017] Figure 4It is a cross-sectional view of the motor housing of the utility model.
[0018] In the figure:
[0019] 1. Motor housing; 2. Liquid inlet pipe; 3. Liquid outlet pipe; 4. Nut sleeve; 5. Threaded mouth; 6. Motor back cover; 7. Mounting sleeve; 8. Motor front cover; 801. Sealing sleeve; 802. Sealing gasket; 9. Connecting sleeve; 10. Fixing screw; 11. Mounting angle; 12. Mounting port; 13. Shaft sleeve; 14. Through port; 15. Cooling chamber; 16. Motor inner housing; 17. Mounting chamber. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0021] See also Figure 1-4 The utility model provides a technical solution: a new energy vehicle motor housing structure, including a motor housing 1, the outer side of the motor housing 1 is respectively fixedly connected with a liquid inlet pipe 2 and a liquid outlet pipe 3, both ends of the motor housing 1 are fixedly connected with nut sleeves 4, one end of the nut sleeve 4 is penetrated with a screw hole 5, the inner side of the screw hole 5 is threadedly connected with a fixing screw 10, one end of the motor housing 1 is fixedly connected with a motor front cover 8 through the fixing screw 10, the outer side of the motor front cover 8 is respectively fixedly connected with a connecting sleeve 9 and a mounting assembly, the back of the motor front cover 8 is integrally fixedly connected with a sealing assembly, the inside of the motor housing 1 is fixedly connected with a motor inner shell 16, the inside of the motor inner shell 16 is provided with an installation cavity 17, and a cooling cavity 15 is provided between the motor housing 1 and the motor inner shell 16.
[0022] In this embodiment, the mounting assembly includes a mounting angle 11 and a mounting opening 12. The mounting angle 11 is fixedly connected to the outer side of the motor front cover 8. The front side of the mounting angle 11 is provided with a mounting opening 12. The mounting angle 11 is docked at the mounting position, and then bolts are inserted into the mounting opening 12 of the mounting angle 11, and the bolts are tightened to firmly fix the mounting angle 11.
[0023] In this embodiment, the sealing assembly includes a sealing sleeve 801 and a sealing gasket 802. The sealing sleeve 801 is integrally fixedly connected to the back of the motor front cover 8. The back of the sealing sleeve 801 is fixedly connected with the sealing gasket 802. The sealing sleeve 801 of the motor front cover 8 is docked in the cooling chamber 15 and is sealed with the sealing gasket 802 to avoid leakage.
[0024] In this embodiment, the other end of the motor housing 1 is fixedly connected to the motor back cover 6 by a fixing screw 10, and the outer side of the motor back cover 6 is fixedly connected to a mounting sleeve 7, and the mounting sleeve 7 is threadedly connected to the fixing screw 10. By docking the mounting sleeve 7 of the motor back cover 6 with the nut sleeve 4 and then fixing it with the fixing screw 10, the motor back cover 6 and the motor housing 1 can be firmly fixed together.
[0025] In this embodiment, a shaft sleeve 13 is fixedly connected to the front of the motor front cover 8, and a through hole 14 is opened on the front of the shaft sleeve 13. The rotor component of the motor can be limited by the shaft sleeve 13 and the through hole 14, so that the rotor can rotate more smoothly.
[0026] In this embodiment, the motor housing 1 includes a motor inner shell 16 inside the motor housing 1, a liquid inlet pipe 2 and a liquid outlet pipe 3 outside the motor housing 1, and a nut sleeve 4 connected to the motor housing 1 as an integrated die-cast structure, so that the motor housing can be die-casted in one go, thereby facilitating the production of the motor housing.
[0027] In this embodiment, the connecting sleeve 9 is threadedly connected to the fixing screw 10. Four connecting sleeves 9 are provided, and the four connecting sleeves 9 are arranged equidistantly. The connecting sleeve 9 on the motor front cover 8 is connected to the nut sleeve 4, and then fixed together with the fixing screw 10, so that the motor front cover 8 and the motor housing 1 can be firmly fixed together.
[0028] Working principle: When using the motor housing structure of a new energy vehicle, the staff installs the motor rotor and other components in the installation cavity 17 of the motor inner housing 16, and then docks the installation sleeve 7 of the motor rear cover 6 and the connecting sleeve 9 of the motor front cover 8 on the nut sleeve 4, and fixes them with fixing screws 10, and then connects the liquid inlet pipe 2 and the liquid outlet pipe 3 to the cooling system of the car respectively. When the new energy vehicle motor generates heat during operation, the coolant or cooling oil of the new energy vehicle flows into the cooling cavity 15 of the motor housing 1 and the motor inner housing 16 through the liquid inlet pipe 2. At this time, the coolant and cooling oil will absorb the heat generated by the new energy vehicle motor, and be discharged into the cooling system of the new energy vehicle through the liquid outlet pipe 3, thereby taking away the heat generated by the new energy vehicle motor and dissipating the heat, thus completing the use process of the utility model. The utility model has a simple structure and is safe and convenient to use.
[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A new energy vehicle motor housing structure, characterized in that: The invention comprises a motor housing (1), wherein the outer side of the motor housing (1) is respectively fixedly connected with a liquid inlet pipe (2) and a liquid outlet pipe (3), the outer sides of both ends of the motor housing (1) are both fixedly connected with nut sleeves (4), one end of the nut sleeve (4) is penetrated with a threaded opening (5), the inner side of the threaded opening (5) is threadedly connected with a fixing screw (10), one end of the motor housing (1) is fixedly connected with a motor front cover (8) through the fixing screw (10), the outer side of the motor front cover (8) is respectively fixedly connected with a connecting sleeve (9) and a mounting assembly, the back side of the motor front cover (8) is integrally fixedly connected with a sealing assembly, the inside of the motor housing (1) is fixedly connected with a motor inner housing (16), the inside of the motor inner housing (16) is provided with a mounting cavity (17), and a cooling cavity (15) is provided between the motor housing (1) and the motor inner housing (16).
2. A new energy vehicle motor housing structure according to claim 1, characterized in that: The mounting assembly comprises a mounting angle (11) and a mounting opening (12); the mounting angle (11) is fixedly connected to the outside of the motor front cover (8); and the mounting opening (12) is provided on the front side of the mounting angle (11).
3. The new energy vehicle motor housing structure according to claim 1 is characterized in that: The sealing assembly comprises a sealing sleeve (801) and a sealing gasket (802); the sealing sleeve (801) is integrally fixedly connected to the back of the motor front cover (8); and the back of the sealing sleeve (801) is fixedly connected to the sealing gasket (802).
4. The new energy vehicle motor housing structure according to claim 1 is characterized in that: The other end of the motor housing (1) is fixedly connected to a motor rear cover (6) via a fixing screw (10); the outer side of the motor rear cover (6) is fixedly connected to a mounting sleeve (7); and the mounting sleeve (7) is threadedly connected to the fixing screw (10).
5. The new energy vehicle motor housing structure according to claim 1 is characterized in that: A rotating shaft sleeve (13) is fixedly connected to the front side of the motor front cover (8), and a through opening (14) is provided on the front side of the rotating shaft sleeve (13).
6. The new energy vehicle motor housing structure according to claim 1 is characterized in that: The motor housing (1) comprises a motor inner housing (16) inside the motor housing (1), a liquid inlet pipe (2) and a liquid outlet pipe (3) outside the motor housing (1), and a nut sleeve (4) connected to the motor housing (1), which are an integral die-cast structure.
7. The new energy vehicle motor housing structure according to claim 1 is characterized in that: The connecting sleeve (9) is threadedly connected to the fixing screw (10), and four connecting sleeves (9) are provided, and the four connecting sleeves (9) are arranged at equal distances.