CN215257737U - Driving motor reduction box integrated system and vehicle with same - Google Patents

Abstract

The utility model provides a driving motor reducing gear box integrated system and have its vehicle, driving motor reducing gear box integrated system includes: the oil pump comprises a shell, a middle connecting plate, a motor, a transmission shaft, a gear assembly, an oil injection pipe and an oil pump; the middle yoke plate is arranged in the shell, the middle yoke plate divides the shell into a motor cavity, an oil buffer cavity and a gear cavity, the oil buffer cavity is communicated with the motor cavity and is positioned below the motor cavity, and an oil passing port is formed in the bottom of the middle yoke plate; the motor is located the motor intracavity, and the gear intracavity is located to the gear module, and the yoke plate is in order to connect motor and gear module in wearing to locate to the transmission shaft, and the casing is located to the oil pump, and the oil pump communicates with the import that oil circuit said, and the oil pump is used for with the lubricated oil pump of gear intracavity to spouting the oil pipe in order to cool off the motor. According to the utility model discloses a driving motor reducing gear box integrated system, fluid cushion chamber can give required stable environment and the time of bubble defoaming in the fluid, is favorable to prolonging driving motor reducing gear box integrated system's life.

Description

Driving motor reduction box integrated system and vehicle with same

Technical Field

The utility model relates to the field of automotive technology, in particular to driving motor reducing gear box integrated system and have its vehicle.

Background

With the development of new energy automobile driving technology, the application of the product of the driving motor and the reduction gearbox is wider. Because the oil-cooled motor can obviously improve the heat dissipation efficiency, and does not need to arrange an additional water jacket, the volume and the weight of the motor can be reduced while the motor efficiency is improved, and the oil cooling can be expected to be the main flow direction of the next-stage motor cooling.

The motor cooling oil is typically common to the lubrication oil of the gearbox reduction gearbox. When the motor is cooled, the cooled lubricating oil is required to be sprayed or splashed to a plurality of positions of a rotor and a stator of the motor, and the lubricating oil is inevitably mixed with air in the process of motor impact and stirring due to the characteristic of high rotating speed of the motor, so that a huge amount of bubbles are generated in the lubricating oil. In order to solve the problem of bubbles, in the related art, an antifoaming agent/defoaming agent is usually added into oil to improve the antifoaming/defoaming performance of the oil, however, bubbles in the oil are very unfavorable for bearing lubrication/oil suction of an oil pump, which can cause problems of insufficient bearing lubrication, cavitation abrasion of the oil pump and the like.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a driving motor reducing gear box integrated system, fluid cushion chamber can give required stable environment and the time of bubble defoaming in the fluid, is favorable to prolonging driving motor reducing gear box integrated system's life to be favorable to avoiding adding too much antifoaming agent in the fluid.

The utility model also provides a vehicle of having above-mentioned driving motor reducing gear box integrated system.

According to the utility model discloses driving motor reducing gear box integrated system, include: the oil pump comprises a shell, a middle connecting plate, a motor, a transmission shaft, a gear assembly, an oil injection pipe and an oil pump; the middle yoke plate is arranged in the shell, the shell is divided into a motor cavity, an oil buffer cavity and a gear cavity by the middle yoke plate, the oil buffer cavity is communicated with the motor cavity and is positioned below the motor cavity, an oil passing port is arranged at the bottom of the middle yoke plate, the oil buffer cavity is communicated with the gear cavity through the oil passing port, an oil passage is arranged in the middle yoke plate, and an outlet of the oil passage is communicated with the oil injection pipe; the motor is arranged in the motor cavity, the gear assembly is arranged in the gear cavity, the transmission shaft penetrates through the middle connecting plate to be connected with the motor and the gear assembly, the oil pump is arranged on the shell and communicated with an inlet of the oil passage, and the oil pump is used for supplying lubricating oil in the gear cavity to the oil injection pipe to cool the motor.

According to the utility model discloses driving motor reducing gear box integrated system, through setting up the motor chamber, fluid cushion chamber and gear chamber, can effectively improve the distribution of fluid, reduce the stirring of motor and gear assembly to fluid, be favorable to reducing the production of fluid bubble, and simultaneously, the setting of fluid cushion chamber, the required steady environment of fluid defoaming and time have been given, be favorable to the breaking of fluid bubble, be favorable to prolonging driving motor reducing gear box integrated system's life, and be favorable to avoiding adding too much antifoaming agent in fluid, be favorable to the production and the storage of fluid.

In some embodiments of the present invention, the driving motor reduction gearbox integrated system further comprises: the oil level adjusting piece is located in the gear cavity and movably arranged on the middle yoke plate, and the oil level adjusting piece is used for adjusting the flow area of the oil passing port.

In some embodiments of the present invention, the oil level adjusting member is movably provided to the middle yoke plate in an up-down direction.

In some embodiments of the present invention, the oil level adjusting member includes: a float part adapted to float up and down with an oil level; the rod body part is connected between the floater part and the shielding part, and the shielding part is matched with the oil passing port to adjust the flow area of the oil passing port.

In some embodiments of the present invention, the driving motor reduction gearbox integrated system further comprises: and the suction filter is arranged in the gear cavity and is communicated with the oil inlet of the oil pump.

In some embodiments of the utility model, the oil pump is located the outside of casing, be equipped with first oil duct and second oil duct in the casing, the oil inlet of oil pump passes through first oil duct with the suction filter intercommunication, the oil-out of oil pump with the second oil duct intercommunication, driving motor reducing gear box integrated system is still including connecting oil pipe, it is located to connect oil pipe gear intracavity with the intercommunication the export of second oil duct with the import that oil path said.

In some embodiments of the present invention, the oil spout pipe includes: an inlet section, one end of the inlet section being in communication with an inlet of the oil passage; an annular section in communication with the other end of the inlet section; the spraying sections are arranged on one side, deviating from the inlet section, of the ring section, the spraying sections are arranged in the axial direction of the ring section and are respectively communicated with the ring section, and each spraying section is provided with a spraying opening.

In some embodiments of the present invention, the spraying opening is plural, and plural spraying openings are arranged in the length direction of the spraying section.

In some embodiments of the present invention, the width of the oil buffer chamber is smaller than the width of the motor chamber.

According to the utility model discloses vehicle, include: the drive motor reduction gearbox integrated system is described above.

According to the utility model discloses vehicle, through setting up foretell driving motor reducing gear box integrated system, is favorable to improving the wholeness ability of vehicle.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic structural diagram of a drive motor reduction gearbox integrated system according to an embodiment of the present invention;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

FIG. 3 is a schematic view of a partial structure of the reduction gearbox integrated system of the driving motor in FIG. 1;

fig. 4 is a schematic structural view of an oil spray pipe according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a middle yoke plate according to an embodiment of the present invention;

fig. 6 is a schematic structural view of an oil level adjusting member according to an embodiment of the present invention.

Description of reference numerals:

a drive motor reduction gearbox integration system 100;

a housing 10; a motor cavity 11; an oil buffer chamber 12; a gear chamber 13; the first oil passage 14; the second oil passage 15; a first housing 16; a second housing 17;

a middle yoke plate 20; an oil passing port 21; an oil gallery channel 22; a via 23;

a motor 30; a stator 31; a rotor 32;

a drive shaft 40; a gear assembly 50;

an oil spout pipe 60; an inlet section 61; an annular segment 62; a spray section 63; a spray port 631;

an oil pump 70; connecting an oil pipe 71;

an oil level regulating member 80; a float part 81; a lever body portion 82; a shielding portion 83;

a suction filter 90.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The driving motor reduction gearbox integrated system 100 and the vehicle having the same according to the embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Referring to fig. 1, a driving motor reduction gearbox integrated system 100 according to an embodiment of the present invention may include: the oil pump comprises a shell 10, a middle yoke plate 20, a motor 30, a transmission shaft 40, a gear assembly 50, an oil injection pipe 60 and an oil pump 70.

Referring to fig. 1, the middle yoke plate 20 is disposed in the housing 10, the housing 10 is divided into a motor cavity 11, an oil buffer cavity 12 and a gear cavity 13 by the middle yoke plate 20, the oil buffer cavity 12 is communicated with the motor cavity 11 and is located below the motor cavity 11, an oil port 21 is disposed at the bottom of the middle yoke plate 20, the oil buffer cavity 12 is communicated with the gear cavity 13 through the oil port 21, an oil passage 22 is disposed inside the middle yoke plate 20, and an outlet of the oil passage 22 is communicated with the oil injection pipe 60.

Referring to fig. 1, the motor 30 is disposed in the motor cavity 11, the gear assembly 50 is disposed in the gear cavity 13, and the transmission shaft 40 is disposed through the middle yoke plate 20 to connect the motor 30 and the gear assembly 50, for example, referring to fig. 1 and 5, the middle yoke plate 20 is provided with a through hole 23, and the transmission shaft 40 is disposed through the through hole 23 to connect the motor 30 and the gear assembly 50.

Referring to fig. 1, an oil pump 70 is provided in the housing 10, the oil pump 70 communicating with an inlet of the oil passage 22, the oil pump 70 being for supplying the lubricating oil pump 70 in the gear chamber 13 to the oil jet pipe 60 to cool the motor 30. The motor 30 may include a stator 31 and a rotor 32, among other things. For example, the oil pump 70 may be an electronic pump, and it is understood that signals are transmitted between the electronic pump and the control device of the driving motor reduction gearbox integrated system 100, which is beneficial to realizing intelligent control of the driving motor reduction gearbox integrated system 100.

Specifically, referring to fig. 1 and 2, when the oil pump 70 works, oil at the bottom of the gear cavity 13 may be pumped into the oil pump 70 through an oil inlet of the oil pump 70, then flows to an inlet of the oil passage 22 through an oil outlet of the oil pump 70, and then is sprayed to the motor 30 through the oil injection pipe 60 to cool the motor 30, and the oil after heat exchange with the motor 30 flows from the motor cavity 11 into the oil buffer cavity 12 under the action of gravity, and finally flows into the gear cavity 13 through the oil passing port 21, and thus reciprocates. It can be understood that, fluid after with the heat transfer of motor 30 at first enters into fluid cushion chamber 12 release bubble, and not direct flow back to gear chamber 13, given the required stable environment of bubble defoaming in the fluid and prolonged defoaming time, can avoid motor 30 to the secondary stirring of fluid simultaneously, be favorable to the breaking of fluid bubble, be favorable to prolonging driving motor reducing gear box integrated system 100's life, and be favorable to avoiding adding too much antifoaming agent in fluid, be favorable to the production and the storage of fluid.

In view of this, according to the utility model discloses driving motor reducing gear box integrated system 100, through setting up motor chamber 11, fluid cushion chamber 12 and gear chamber 13, can effectively improve the distribution of fluid, reduce the stirring of motor 30 and gear assembly 50 to fluid, be favorable to reducing the production of fluid bubble, and simultaneously, the setting of fluid cushion chamber 12, the required steady environment of fluid defoaming and time have been given, be favorable to the breaking of fluid bubble, be favorable to prolonging driving motor reducing gear box integrated system 100's life, and be favorable to avoiding adding too much antifoaming agent in the fluid, be favorable to the production and the storage of fluid.

In some embodiments of the present invention, referring to fig. 1 and 2, the driving motor reduction box integrated system 100 further includes: the oil level adjusting part 80 is located in the gear cavity 13, the oil level adjusting part 80 is movably arranged on the middle yoke plate 20, and the oil level adjusting part 80 is used for adjusting the flow area of the oil passing port 21. It can be understood that, when the oil level in the gear chamber 13 is high, the oil level adjusting member 80 may control the flow area of the oil passing port 21 to decrease, so as to control the flow rate of the oil flowing from the oil buffer chamber 12 to the gear chamber 13 to decrease in unit time, and thus, the oil level in the gear chamber 13 may decrease; when the oil level in the gear chamber 13 is lower, the controllable area of overflowing of hydraulic fluid mouth 21 that crosses of oil level regulating part 80, thereby the steerable flow increase of fluid that flows to gear chamber 13 from fluid cushion chamber 12 in the unit interval, and then make the oil level in the gear chamber 13 rise, therefore, through setting up oil level regulating part 80, can adjust the distribution of fluid in gear chamber 13 and the fluid cushion chamber 12, can avoid the too high or low excessively of oil level in gear chamber 13, be favorable to avoiding the gear among the gear assembly 50 to stir oil many times and produce the bubble, and be favorable to satisfying the oil absorption requirement of oil pump 70.

In some embodiments of the present invention, as shown in fig. 1 and 2, the oil level adjusting member 80 is movably provided to the middle yoke plate 20 in the up-down direction. For example, the oil level adjusting member 80 is provided with a fitting projection, the middle yoke plate 20 is provided with a fitting groove extending in the up-down direction, and the fitting projection and the fitting groove are slidably fitted so that the oil level adjusting member 80 moves in the up-down direction with respect to the middle yoke plate 20. It can be understood that, when the oil level in the gear chamber 13 is high, the oil level adjusting member 80 moves upward to reduce the flow area of the oil passing port 21, so that the flow rate of the oil flowing from the oil buffer chamber 12 to the gear chamber 13 per unit time can be controlled to be reduced, thereby lowering the oil level in the gear chamber 13; when the oil level in the gear cavity 13 is lower, the oil level regulating part 80 can move down to control the increase of the flow area of the oil passing port 21, so that the flow of oil flowing from the oil buffer cavity 12 to the gear cavity 13 in unit time can be controlled to be increased, and the oil level in the gear cavity 13 is raised.

Of course, the present invention is not limited thereto, and the oil level adjusting member 80 may rotate relative to the oil passing port 21 to adjust the flow area of the oil passing port 21.

In some embodiments of the present invention, referring to fig. 6, the oil level adjusting member 80 includes: the oil level gauge includes a float part 81, a rod part 82 and a shielding part 83, the float part 81 is suitable for floating up and down along with the oil level, the shielding part 83 is located below the float part 81, the rod part 82 is connected between the float part 81 and the shielding part 83, and the shielding part 83 is matched with the oil passing port 21 (refer to fig. 5) to adjust the flow area of the oil passing port 21. It can be understood that, by arranging the float part 81, the adjusting seat can float up and down along with the oil level along with the change of the oil level of the gear cavity 13, when the oil level in the gear cavity 13 is high, the float part 81 drives the shielding part 83 to move upwards, the shielding area between the shielding part 83 and the oil passing opening 21 is increased, so that the flow area of the oil passing opening 21 is reduced, the flow of the oil flowing from the oil buffer cavity 12 to the gear cavity 13 in unit time is reduced, and the oil level in the gear cavity 13 is further reduced; when the oil level in the gear cavity 13 is lower, the floater part 81 drives the shielding part 83 to move downwards, the shielding area between the shielding part 83 and the oil passing opening 21 is reduced, the flow area of the oil passing opening 21 is increased in a control mode, the flow of the oil flowing from the oil buffer cavity 12 to the gear cavity 13 in unit time can be controlled to be increased, the oil level in the gear cavity 13 is enabled to rise, the oil level adjusting part 80 is simple in structure, manual control is not needed, and energy consumption reduction is facilitated. Of course, the present invention is not limited thereto, and the oil level adjusting member 80 can also be controlled in an electric or pneumatic manner as long as the flow area of the oil passing opening 21, which is adjustable by the oil level adjusting member 80, is ensured.

In some embodiments of the present invention, referring to fig. 1, the driving motor reduction box integrated system 100 further includes: and the suction filter 90 is arranged in the gear cavity 13, and the suction filter 90 is communicated with the oil inlet of the oil pump 70. It can be understood that the suction filter 90 can perform a filtering and purifying function on the oil flowing through the suction filter, which is beneficial to improving the reliability of the operation of the driving motor reduction gearbox integrated system 100.

In some embodiments of the present invention, referring to fig. 2, the oil pump 70 is disposed outside the housing 10, the housing 10 is provided with a first oil passage 14 and a second oil passage 15, an oil inlet of the oil pump 70 is communicated with the suction filter 90 through the first oil passage 14, an oil outlet of the oil pump 70 is communicated with the second oil passage 15, the driving motor reduction gearbox integrated system 100 further includes a connecting oil pipe 71, and the connecting oil pipe 71 is located in the gear cavity 13 to communicate an outlet of the second oil passage 15 and an inlet of the oil passage 22. Thus, the oil pump 70 is easily mounted and dismounted, and the reliability of the operation of the oil pump 70 is advantageously ensured by disposing the oil pump 70 outside the housing 10.

For example, as shown in fig. 1 and 2, the housing 10 includes a first housing 16 and a second housing 17, the first housing 16 and the second housing 17 are detachably connected to each other, the middle connection plate 20 is connected to the second housing 17 through a threaded fastener, the first housing 16, the second housing 17 and the middle connection plate 20 define a motor chamber 11, an oil buffer chamber 12 and a gear chamber 13, an oil pump 70 is disposed outside the first housing 16 and connected to the first housing 16, a first oil passage 14 and a second oil passage 15 are disposed in the first housing 16, an oil inlet of the oil pump 70 is communicated with the suction filter 90 through the first oil passage 14, an oil outlet of the oil pump 70 is communicated with the second oil passage 15, and the driving motor reduction gear box integrated system 100 further includes a connecting oil pipe 71, the connecting oil pipe 71 is disposed in the gear chamber 13 to communicate an outlet of the second oil passage 15 with an inlet of the oil passage 22.

In some embodiments of the present invention, referring to fig. 4, the oil spray pipe 60 includes: the oil-gas separation device comprises an inlet section 61, an annular section 62 and a plurality of spray sections 63, wherein one end of the inlet section 61 is communicated with an inlet of the oil-way passage 22, the annular section 62 is communicated with the other end of the inlet section 61, the spray sections 63 are arranged on one side, away from the inlet section 61, of the annular section 62, the spray sections 63 are distributed in the circumferential direction of the annular section 62 and are respectively communicated with the annular section 62, and each spray section 63 is provided with a spray port 631.

It can be understood that by arranging the plurality of spraying sections 63, the oil spraying pipe 60 can spray the motor 30 at a plurality of angles, so that the uniform cooling of the motor 30 is guaranteed, and the working reliability of the motor 30 is improved. Wherein a plurality means two or more. For example, referring to fig. 4, the ring segment 62 is formed in a circular ring shape, the number of the shower segments 63 is four, four shower segments 63 are arranged in the circumferential direction of the ring segment 62 and communicate with the ring segment 62, respectively, and each shower segment 63 is provided with a plurality of shower ports 631.

In some embodiments of the present invention, referring to fig. 4, the spraying ports 631 are plural, and the plural spraying ports 631 are arranged in the length direction of the spraying section 63. It can be understood that, by arranging the plurality of spraying ports 631 in the length direction of the spraying section 63, the spraying range of the spraying section 63 is further increased, and the cooling effect on the motor 30 is further improved.

In some embodiments of the present invention, referring to fig. 3, the width of the oil buffer chamber 12 is smaller than the width of the motor chamber 11. For example, the width of the oil buffer chamber 12 is W2, the width of the motor chamber 11 is W1, and W2 is smaller than W1. It can be understood that, by making the width of the oil buffer chamber 12 smaller than the width of the motor chamber 11, the height of the oil level in the oil buffer chamber 12 is ensured, and the oil absorption requirement of the oil pump 70 is ensured.

According to the utility model discloses vehicle, include: according to the utility model discloses driving motor reducing gear box integrated system 100 of above-mentioned embodiment. From this, can effectively improve the distribution of fluid, reduce the stirring of motor 30 and gear assembly 50 to fluid, be favorable to reducing the production of fluid bubble, and simultaneously, the setting of fluid cushion chamber 12, the required steady environment of fluid defoaming and time have been given, be favorable to the breaking of fluid bubble, be favorable to prolonging driving motor reducing gear box integrated system 100's life, and be favorable to avoiding adding too much antifoaming agent in fluid, be favorable to the production and the storage of fluid, can improve the wholeness ability of vehicle.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A drive motor reducing gear box integrated system characterized by, includes: the oil injection device comprises a shell (10), a middle connecting plate (20), a motor (30), a transmission shaft (40), a gear assembly (50), an oil injection pipe (60) and an oil pump (70);

the middle connecting plate (20) is arranged in the shell (10), the shell (10) is divided into a motor cavity (11), an oil buffer cavity (12) and a gear cavity (13) by the middle connecting plate (20), the oil buffer cavity (12) is communicated with the motor cavity (11) and is positioned below the motor cavity (11), an oil passing port (21) is formed in the bottom of the middle connecting plate (20), the oil buffer cavity (12) is communicated with the gear cavity (13) through the oil passing port (21), an oil passage (22) is formed in the middle connecting plate (20), and an outlet of the oil passage (22) is communicated with the oil injection pipe (60);

motor (30) are located in motor chamber (11), gear assembly (50) are located in gear chamber (13), transmission shaft (40) are worn to locate well yoke plate (20) are in order to connect motor (30) with gear assembly (50), casing (10) are located in oil pump (70), oil pump (70) with the import intercommunication of oil road way (22), oil pump (70) be used for with lubricating oil pump (70) in gear chamber (13) to spout oil pipe (60) in order to cool motor (30).

2. The drive motor reduction gearbox integration system of claim 1, further comprising:

the oil level adjusting piece (80) is located in the gear cavity (13), the oil level adjusting piece (80) is movably arranged on the middle yoke plate (20), and the oil level adjusting piece (80) is used for adjusting the flow area of the oil passing port (21).

3. The drive motor reduction gearbox integrated system according to claim 2, wherein the oil level adjusting member (80) is provided to the intermediate yoke plate (20) movably in an up-down direction.

4. The drive motor reduction gearbox integration system according to claim 2, wherein the oil level adjustment member (80) comprises:

a float part (81), the float part (81) being adapted to float up and down with an oil level;

the oil filter comprises a rod body portion (82) and a shielding portion (83), wherein the shielding portion (83) is located below the floating portion (81), the rod body portion (82) is connected between the floating portion (81) and the shielding portion (83), and the shielding portion (83) is matched with the oil passing port (21) to adjust the flow area of the oil passing port (21).

5. The drive motor reduction gearbox integration system of claim 1, further comprising:

the suction filter (90) is arranged in the gear cavity (13), and the suction filter (90) is communicated with an oil inlet of the oil pump (70).

6. The drive motor reduction gearbox integrated system according to claim 5, wherein the oil pump (70) is arranged on the outer side of the housing (10), a first oil passage (14) and a second oil passage (15) are arranged in the housing (10), an oil inlet of the oil pump (70) is communicated with the suction filter (90) through the first oil passage (14), an oil outlet of the oil pump (70) is communicated with the second oil passage (15), the drive motor reduction gearbox integrated system (100) further comprises a connecting oil pipe (71), and the connecting oil pipe (71) is located in the gear cavity (13) to communicate an outlet of the second oil passage (15) with an inlet of the oil passage (22).

7. The drive motor reduction gearbox integration system of claim 1, wherein the oil injection pipe (60) comprises:

an inlet section (61), one end of the inlet section (61) being in communication with an inlet of the oil passage (22);

an annular section (62), the annular section (62) communicating with the other end of the inlet section (61);

a plurality of spray segments (63), it is a plurality of spray segments (63) are located one side that deviates from induction zone (61) of ring segment (62), a plurality of spray segments (63) are in arrange in the circumference of ring segment (62) and respectively with ring segment (62) intercommunication, every spray segment (63) are equipped with spray opening (631).

8. The drive motor reduction gearbox integrated system according to claim 7, wherein the number of the spray ports (631) is plural, and the plural spray ports (631) are arranged in a length direction of the spray section (63).

9. The drive motor reduction gearbox integration system according to any one of claims 1 to 8, wherein the width of the oil buffer chamber (12) is less than the width of the motor chamber (11).

10. A vehicle, characterized by comprising: the drive motor reduction gearbox integrated system (100) of any of claims 1-9.

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