CN211693425U - Differential for vehicle and vehicle - Google Patents

Differential for vehicle and vehicle Download PDF

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Publication number
CN211693425U
CN211693425U CN202020132765.1U CN202020132765U CN211693425U CN 211693425 U CN211693425 U CN 211693425U CN 202020132765 U CN202020132765 U CN 202020132765U CN 211693425 U CN211693425 U CN 211693425U
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China
Prior art keywords
oil
differential
drive shaft
oil guide
vehicle
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CN202020132765.1U
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Chinese (zh)
Inventor
李利
赵春艳
李春鹏
李迎宏
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Beijing Electric Vehicle Co Ltd
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Beijing Electric Vehicle Co Ltd
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Priority to CN202020132765.1U priority Critical patent/CN211693425U/en
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Abstract

The utility model discloses a differential mechanism and vehicle for vehicle, a differential mechanism for vehicle includes: the differential mechanism comprises a differential mechanism shell, a driving shaft and an oil guide channel, wherein the differential mechanism shell is provided with a driving shaft mounting hole; at least part of the driving shaft is arranged in the driving shaft mounting hole, and a lubricating gap is formed between the driving shaft and the hole wall of the driving shaft mounting hole; the oil guide passage is disposed in the drive shaft and adapted to guide the lubricating oil in the differential case to the lubricating gap. According to the utility model discloses a be provided with in differential mechanism for vehicle and lead oil passageway, lead oil passageway and can be effectively will splash lubricating oil direction differential mechanism casing and the clearance between the drive shaft, improved differential mechanism's lubricated effect widely, avoided appearing ablating between differential mechanism casing and the drive shaft.

Description

Differential for vehicle and vehicle
Technical Field
The utility model belongs to the technical field of the vehicle technique and specifically relates to a differential mechanism and vehicle for vehicle are related to.
Background
In the related technology, a lubricating oil groove is formed in the position, opposite to the gap between the driving shaft and the differential shell, of the differential, lubricating oil slowly flows into the lubricating gap between the driving shaft and the differential shell through the lubricating oil groove, the amount of the lubricating oil in the gap between the driving shaft and the differential shell is small, under the high-speed rotation of the driving shaft, the driving shaft and the differential shell are seriously abraded and generate high temperature, and the driving shaft and the differential shell are ablated by the high temperature generated by friction.
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. To this end, an object of the present invention is to provide a differential for a vehicle. The differential is provided with the oil guide channel, the oil guide channel can effectively guide the splashed lubricating oil to the gap between the differential shell and the driving shaft, the lubricating effect of the differential is greatly improved, and ablation between the differential shell and the driving shaft is avoided.
The utility model also provides a vehicle of having above-mentioned differential mechanism.
According to the utility model discloses a differential mechanism for vehicle includes: the differential mechanism comprises a differential mechanism shell, a driving shaft and an oil guide channel, wherein the differential mechanism shell is provided with a driving shaft mounting hole; at least part of the driving shaft is arranged in the driving shaft mounting hole, and a lubricating gap is formed between the driving shaft and the hole wall of the driving shaft mounting hole; the oil guide passage is disposed in the drive shaft and adapted to guide the lubricating oil in the differential case to the lubricating gap.
According to the utility model discloses a differential mechanism for vehicle, be provided with in the drive shaft among this differential mechanism and lead the oil passageway, it can lead to the lubricating oil that splashes in the differential mechanism casing to lead the oil passageway, make the lubricating oil that splashes in the differential mechanism casing get into the lubrication clearance fast and accurately, help improving the speed that lubricating oil got into the lubrication clearance, increase the interior lubricating oil mass of lubrication clearance, thereby reduced the friction between drive shaft and the differential mechanism casing, reduce the temperature of drive shaft and differential mechanism casing, the phenomenon of ablation has been avoided drive shaft and differential mechanism casing to take place effectively.
According to the utility model discloses an embodiment, the one end of leading oil passageway is formed with the orientation the open oil inlet of differential mechanism casing, the other end of leading oil passageway is formed with the orientation the open oil-out in lubricated clearance.
According to the utility model discloses an embodiment, the oil inlet sets up on the terminal surface of drive shaft, the oil-out sets up on the global of drive shaft.
According to the utility model discloses an embodiment, lead oil passageway and include: a first oil guide passage extending in an axial direction of the drive shaft and a second oil guide passage extending in a radial direction of the drive shaft, the first oil guide passage and the second oil guide passage communicating with each other.
According to the utility model discloses an embodiment, be provided with in the first oil guide channel and be suitable for with the leading-in oil guide of differential mechanism casing lubricating oil.
According to an embodiment of the present invention, the oil guide member is configured to be disposed at an oil guide rib of the hole wall of the first oil guide passage.
According to an embodiment of the present invention, the oil guiding rib is along an axial extension or a spiral shape of the driving shaft.
According to an embodiment of the present invention, the second oil guiding channel is disposed adjacent to the oil guiding rib.
According to the utility model discloses an embodiment, lead oil member structure and be led the oil groove, lead the oil groove with the second leads oil passageway intercommunication.
The vehicle according to the present invention is briefly described below.
According to the utility model discloses a vehicle is provided with differential mechanism of above-mentioned embodiment, because according to the utility model discloses a be provided with differential mechanism of above-mentioned embodiment on the vehicle, be provided with on the differential mechanism in this vehicle and lead the oil duct, lead the oil duct and can improve differential mechanism's lubricated effect effectively, prolonged the after-sales maintenance cycle of vehicle, improved customer's use and experienced.
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 above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of a differential for a vehicle according to the present invention;
FIG. 2 is a sectional view taken along the line A-A shown in FIG. 1;
FIG. 3 is a sectional view taken along the line A-A shown in FIG. 1;
FIG. 4 is a sectional view taken along the direction B-B shown in FIG. 3
Fig. 5 is a schematic view of a drive shaft of a differential for a vehicle according to the present invention.
Reference numerals:
the differential mechanism (100) is provided with a differential mechanism,
the combination of the differential housing 110, the drive shaft 120,
an oil guide passage 130, a first oil guide passage 131, a second oil guide passage 132,
a lubricating gap 140, an oil inlet 150, an oil outlet 160 and an oil guide rib 170.
Detailed Description
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.
A differential 100 for a vehicle according to the present invention is described below with reference to fig. 1 to 5.
The differential 100 for a vehicle according to the present invention includes a differential case 110, a drive shaft 120, and an oil guide passage 130, the differential case 110 being provided with a drive shaft 120 mounting hole; at least part of the driving shaft 120 is arranged in the mounting hole of the driving shaft 120, and a lubricating gap 140 is formed between the driving shaft 120 and the wall of the mounting hole of the driving shaft 120; an oil guide channel 130 is disposed within the drive shaft 120 and is adapted to guide lubricating oil within the differential case 110 to the lubrication gap 140.
In the related technology, a lubricating oil groove is formed in the position, opposite to the gap between the driving shaft and the differential shell, of the differential, lubricating oil slowly flows into the lubricating gap between the driving shaft and the differential shell through the lubricating oil groove, the amount of the lubricating oil in the gap between the driving shaft and the differential shell is small, under the high-speed rotation of the driving shaft, the driving shaft and the differential shell are seriously abraded and generate high temperature, and the driving shaft and the differential shell are ablated by the high temperature generated by friction.
According to the utility model discloses a differential mechanism 100 for vehicle, be provided with in the drive shaft 120 among this differential mechanism 100 and lead oil passageway 130, it can lead to the lubricating oil that splashes in differential mechanism housing 110 to lead oil passageway 130, make the lubricating oil that splashes in differential mechanism housing 110 fast and accurately get into lubricated clearance 140, help improving the speed that lubricating oil got into lubricated clearance 140, increase lubricating oil mass in the lubricated clearance 140, thereby the friction between drive shaft 120 and differential mechanism housing 110 has been reduced, reduce the temperature of drive shaft 120 and differential mechanism housing 110, the phenomenon of ablating has been avoided drive shaft 120 and differential mechanism housing 110 to take place effectively.
According to an embodiment of the present invention, one end of the oil guiding channel 130 is formed with an oil inlet 150 open towards the differential housing 110, and the other end of the oil guiding channel 130 is formed with an oil outlet 160 open towards the lubrication gap 140.
The oil inlet 150 is open toward the differential case 110, so that splashed lubricating oil in the differential case 110 can enter the oil guide passage 130 through the oil inlet 150, the oil outlet 160 is open toward the lubricating gap 140, so that the splashed lubricating oil in the oil guide passage 130 can enter the lubricating gap 140 through the oil outlet 160, and the splashed lubricating oil in the differential case 110 can enter the lubricating gap 140 by arranging the oil inlet 150 and the oil outlet 160 at both ends of the oil guide passage 130, so that an oil path between the oil guide passage 130 and the lubricating gap 140 is ensured to be smooth.
According to an embodiment of the present invention, the oil inlet 150 is disposed on the end surface of the driving shaft 120, and the oil outlet 160 is disposed on the circumferential surface of the driving shaft 120. The splashed lubricating oil in the differential case 110 can splash onto the end surface of the drive shaft 120, and more lubricating oil can enter the oil guide channel 130 through the oil inlet 150 by arranging the oil inlet 150 on the end surface of the drive shaft 120, wherein the opening direction of the oil inlet 150 is opposite to the splashing direction of the lubricating oil; similarly, a lubricating gap 140 is formed between the driving shaft 120 and the wall of the mounting hole of the driving shaft 120, and by providing the oil outlet 160 on the circumferential surface of the driving shaft 120, the opening direction of the oil outlet 160 is opposite to the lubricating gap 140, the oil outlet 160 can quickly guide the lubricating oil to the lubricating gap 140, and the lubricating oil in the lubricating gap 140 is ensured to be sufficient.
According to an embodiment of the present invention, the oil guiding passage 130 includes: a first oil guide passage 131 extending in an axial direction of the drive shaft 120 and a second oil guide passage 132 extending in a radial direction of the drive shaft 120, the first oil guide passage 131 and the second oil guide passage 132 communicating with each other. Through the first oil guide passage 131 and the second oil guide passage 132, the splashed lubricating oil can be accurately guided to the lubricating gap 140 between the differential case 110 and the drive shaft 120.
Specifically, at least a portion of the driving shaft 120 is provided as a hollow shaft, the hollow shaft may configure a first oil guiding channel 131, one end of the first oil guiding channel 131 is provided with an oil inlet 150, at least a portion of the oil inlet 150 may be submerged below the level of the lubricating oil in the differential case 110, and the splashed lubricating oil in the differential case 110 may splash to the first oil guiding channel 131 through the oil inlet 150; the second oil guiding channel 132 may be configured as a through hole penetrating through a hole wall of the first oil guiding channel 131 in a radial direction, the first oil guiding channel 131 is communicated with the second oil guiding channel 132, the lubricating oil may directly flow from the first oil guiding channel 131 to the second oil guiding channel, and an oil outlet 160 is disposed at an end of the second oil guiding channel 132 close to the lubricating gap 140, the oil outlet 160 communicates the second oil guiding channel 132 with the lubricating gap 140, so that the second oil guiding channel 132 can accurately guide the lubricating oil to the lubricating gap 140. Further, the second oil guiding passage 132 may be provided in plural, and the plural second oil guiding passages 132 may guide the lubricating oil to the lubricating gap 140 at the same time, greatly improving the lubricating effect of the differential 100.
Wherein by providing at least a portion of the drive shaft 120 as a hollow shaft, the weight of the drive shaft 120 is reduced, thereby reducing the cost of the differential 100 while providing better power performance for the vehicle.
According to an embodiment of the present invention, an oil guide member adapted to guide the lubricating oil in the differential case 110 into the first oil guide passage 131 is provided. The lubricating oil in the differential case 110 is guided to the first oil guide channel 131 by the oil guide member, so that more lubricating oil can be collected in the first oil guide channel 131, and the oil guide member is suitable for guiding the splashed lubricating oil of the differential 100.
According to an embodiment of the present invention, the oil guide is configured as an oil guide rib 170 disposed on the hole wall of the first oil guide passage 131. Through set up oil guide rib 170 on the pore wall at first oil guide channel 131, under the high-speed rotation of drive shaft 120, oil guide rib 170 can stir the lubricating oil in first oil guide channel 131 and make lubricating oil splash, and the lubricating oil that splashes can get into lubrication gap 140 through second oil guide channel 132, thereby improve the lubricated effect of drive shaft 120 and differential case 110, greatly reduced the temperature of drive shaft 120 and differential case 110, avoided drive shaft 120 and differential case 110 effectively to appear the phenomenon of ablating.
According to an embodiment of the present invention, the oil guiding rib 170 extends along the axial direction of the driving shaft 120 or the oil guiding rib 170 has a spiral shape. When the oil guiding rib 170 is configured to extend in the axial direction of the driving shaft 120, the oil guiding rib 170 may be provided in plurality, and the plurality of oil guiding ribs 170 are uniformly arranged along the circumferential direction of the driving shaft 120, and the guiding effect on the lubricating oil can be further improved by providing the plurality of oil guiding ribs 170; while the oil guiding bead 170 is provided on the hole wall of the first oil guiding passage 131 to improve the strength of the hollow portion of the driving shaft 120. The oil guiding rib 170 may be configured in a spiral shape, and the oil guiding rib 170 may be configured in a spiral shape so that the lubricating oil flows more smoothly when the driving shaft 120 rotates, so as to be guided to the lubricating gap 140 away from the differential case 110.
According to the utility model discloses an embodiment, the second is led oily passageway 132 and is close to leading oily muscle 170 setting, leads oily muscle 170 and is suitable for to the lubricating oil direction, leads the oily passageway 132 of second guide with splashing lubricating oil direction in the first oily passageway 131 of leading, through leading the oily passageway 132 setting of second at the position that leads oily muscle 170 is adjacent, has reduced the second and has led oily passageway 132 and lead oily muscle 170's distance, makes lubricating oil splash to the second more easily and lead oily passageway 132.
According to an embodiment of the present invention, the oil guiding member is configured as an oil guiding groove, and the oil guiding groove communicates with the second oil guiding passage 132. Wherein, the oil guiding groove may be configured to extend along the axial direction of the driving shaft 120, and the oil guiding groove may be provided in plurality, the plurality of oil guiding grooves are uniformly arranged at intervals, and the bottom wall of the oil guiding groove is provided with a second oil guiding channel 132, the second oil guiding channel 132 communicates the oil guiding groove with the lubricating gap 140, so that the lubricating oil in the oil guiding groove can directly flow into the lubricating gap 140; the plurality of oil guide grooves can guide the lubricating oil splashed in the first oil guide channel 131 to the plurality of second oil guide channels 132 at the same time, so that the efficiency of the lubricating oil flowing into the lubricating gap 140 is improved, the oil amount of the lubricating oil in the lubricating gap 140 is ensured, and the lubricating effect between the differential case 110 and the drive shaft 120 is further improved.
The vehicle according to the present invention is briefly described below.
According to the utility model discloses a vehicle is provided with differential mechanism 100 of above-mentioned embodiment, because according to the utility model discloses a be provided with differential mechanism 100 of above-mentioned embodiment on the vehicle, be provided with on differential mechanism 100 in this vehicle and lead oil passageway 130, lead oil passageway 130 and can improve differential mechanism 100's lubricated effect effectively to prolonged the after-sales maintenance cycle of vehicle, improved customer's use and experienced.
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.
In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.
In the description of the present invention, "a plurality" means two or more.
In the description of the present invention, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.
In the description of the invention, the first feature being "on", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature.
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.

Claims (10)

1. A differential for a vehicle, comprising:
a differential case (110), the differential case (110) being provided with a drive shaft (120) mounting hole;
a drive shaft (120), at least part of the drive shaft (120) is arranged in the drive shaft (120) mounting hole, and a lubricating gap (140) is formed between the drive shaft (120) mounting hole and the hole wall of the drive shaft (120) mounting hole;
an oil guide channel (130), the oil guide channel (130) being disposed within the drive shaft (120) and adapted to guide lubricating oil within the differential case (110) to the lubricating gap (140).
2. The differential for a vehicle according to claim 1, characterized in that one end of the oil guide passage (130) is formed with an oil inlet (150) that opens toward the differential case (110), and the other end of the oil guide passage (130) is formed with an oil outlet (160) that opens toward the lubrication gap (140).
3. The differential for a vehicle according to claim 2, characterized in that the oil inlet (150) is provided on an end face of the drive shaft (120), and the oil outlet (160) is provided on a circumferential face of the drive shaft (120).
4. The differential for a vehicle of claim 2, characterized in that the oil guide channel (130) comprises: a first oil guide passage (131) extending in an axial direction of the drive shaft (120) and a second oil guide passage (132) extending in a radial direction of the drive shaft (120), the first oil guide passage (131) and the second oil guide passage (132) communicating with each other.
5. Differential for a vehicle according to claim 4, characterized in that an oil guide adapted to guide lubricating oil in the differential case (110) is provided in the first oil guide passage (131).
6. The differential for a vehicle according to claim 5, characterized in that the oil guide is configured as an oil guide rib (170) provided to a hole wall of the first oil guide passage (131).
7. Differential for a vehicle according to claim 6, characterized in that the oil guiding ribs (170) extend in the axial direction of the drive shaft (120) or are helical.
8. The differential for a vehicle of claim 6, characterized in that the second oil guide channel (132) is disposed adjacent to the oil guide rib (170).
9. The differential for a vehicle of claim 5, characterized in that the oil guide is configured as an oil guide groove that communicates with the second oil guide passage (132).
10. A vehicle comprising a differential according to any one of claims 1 to 9.
CN202020132765.1U 2020-01-20 2020-01-20 Differential for vehicle and vehicle Active CN211693425U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020132765.1U CN211693425U (en) 2020-01-20 2020-01-20 Differential for vehicle and vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020132765.1U CN211693425U (en) 2020-01-20 2020-01-20 Differential for vehicle and vehicle

Publications (1)

Publication Number Publication Date
CN211693425U true CN211693425U (en) 2020-10-16

Family

ID=72773964

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020132765.1U Active CN211693425U (en) 2020-01-20 2020-01-20 Differential for vehicle and vehicle

Country Status (1)

Country Link
CN (1) CN211693425U (en)

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