CN209856357U - Oil collecting box suitable for reduction gearbox - Google Patents
Oil collecting box suitable for reduction gearbox Download PDFInfo
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- CN209856357U CN209856357U CN201920400366.6U CN201920400366U CN209856357U CN 209856357 U CN209856357 U CN 209856357U CN 201920400366 U CN201920400366 U CN 201920400366U CN 209856357 U CN209856357 U CN 209856357U
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- oil
- reduction gearbox
- collecting box
- box body
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Abstract
The utility model relates to an automobile parts technical field specifically indicates an oil collecting box suitable for reducing gear box. Comprises a box body; the box body is of a hollow cavity structure with an opening at the upper end, and a vertical baffle is arranged in the box body to divide the box body into a plurality of cavities for storing lubricating oil; the upper end of the cavity is opened for receiving splashed or dripped lubricating oil, and the bottom of the cavity is provided with an oil outlet. The utility model discloses simple structure can be effectively with lubricating oil evenly distributed to the important spare part in the reducing gear box on, lubricating oil turnover is efficient, and is lubricated effectual, has very big spreading value.
Description
Technical Field
The utility model relates to an automobile parts technical field specifically indicates an oil collecting box suitable for reducing gear box.
Background
With the development of society, motor vehicles increase, petroleum resources are increasingly deficient, environmental awareness of people is improved, and governments and automobile manufacturers gradually increase investment and research on the field of new energy automobiles, so that certain achievements are achieved in the fields of hybrid power and pure electric vehicles.
For a reduction gearbox used by a new energy automobile, lubrication of internal shaft teeth, bearings and oil seals generally depends on splashing when a rotating part rotates and lubrication of an oil guide structure on a shell. Like the name of patent number "CN 203098814U" be "an automobile-used reducing gear box lubricating oil circulation structure", establish the box in the bearing outside including the cover, be equipped with bearing room and oil baffle in the box, the bearing room comprises bearing cooperation portion and a supporting bench step portion, is equipped with the oil groove on the supporting bench step portion of bearing room, and the oil groove includes radially oil groove and radial oil groove down, but radial oil groove and radial oil groove symmetrical arrangement also asymmetric arrangement down. When the bearing is used, lubricating oil in the reduction gearbox is thrown to the oil baffle plate and the inner wall of the box body under the action of centrifugal force under the driving of the high-speed rotating gear, flows into the supporting step part of the bearing chamber from the radial oil groove through the inner wall of the box body, and flows into the box body from the radial lower oil groove, so that a circulation is formed, the sufficient lubrication and good heat dissipation of the bearing are ensured, and the service life of the bearing is ensured or prolonged. However, a completely sealed box body structure needs to be arranged in the structure, the intercepting structure at the lower part of the box body does not play a role, in addition, problems can also occur in the distribution of lubricating oil, and compared with a left rotating part, the lubricating oil can enter the bearing more easily through the blocking of the baffle and the inner wall of the box body, but the rotating parts of other structures are not matched with corresponding baffles. The circulation structure of this kind of structure is comparatively complicated, and processing is difficult, and because the rotational speed is lower when low speed, the oil mass that splashes is less moreover, is not enough to guarantee lubricated effect, and lubricating oil major part still concentrates on the reducing gear box lower part when high-speed, stirs oil loss and slightly big, influences overall efficiency.
Disclosure of Invention
The utility model aims at solving the defects of the prior art and providing an oil collecting box suitable for a reduction gearbox.
The technical scheme of the utility model is that: the utility model provides an oil collecting box suitable for reducing gear box which characterized in that: comprises a box body; the box body is of a hollow cavity structure with an opening at the upper end, and a vertical baffle is arranged in the box body to divide the box body into a plurality of cavities for storing lubricating oil; the upper end of the cavity is opened for receiving splashed or dripped lubricating oil, and the bottom of the cavity is provided with an oil outlet.
Further said chamber comprises an oil intake chamber; one side of the oil inlet cavity is of an arc-shaped plate structure, and a first oil outlet is formed in the bottom of the oil inlet cavity.
The chamber further comprises a first chamber positioned on one side of the oil inlet chamber opposite to the arc-shaped side part of the oil inlet chamber; the first cavity is divided from the oil inlet cavity through the first baffle, and the bottom of the first cavity is provided with a second oil outlet.
Further the oil inlet chamber is communicated with the first chamber through a gap between the first baffle and the inner wall of the box body.
The chamber further comprises a second chamber positioned on one side of the first chamber far away from the oil inlet chamber; the second chamber is divided from the first chamber through a second baffle, and a third oil outlet is formed in the bottom of the second chamber.
The second chamber is communicated with the first chamber through a gap between the second baffle and the inner wall of the box body.
Further the oil inlet chamber is provided with an intercepting structure for preventing lubricating oil from splashing to the side wall of the reduction gearbox.
The intercepting structure further comprises a bearing chamber arranged on the arc-shaped side part of the oil inlet chamber, which is close to the oil inlet chamber; the receiving chamber is an open chamber, and the receiving chamber is communicated with the oil inlet chamber and is provided with an inclined bottom surface at the bottom for facilitating oil liquid to flow.
The intercepting structure further comprises a side plate fixed on the outer side wall of the receiving chamber; the side plate is in a structure of an arc baffle plate.
Furthermore, the side wall of the box body is provided with a plurality of elastic sheets for fixing and positioning.
The utility model discloses an oil collecting box has certain volume, and the reducing gear box is when high-speed rotatory, and the oil mass that gets into oil collecting box is big than the oil mass that flows out oil collecting box, and oil collecting box can hold the oil mass of many plays.
The utility model has the advantages that:
1. the utility model discloses a box simple structure through accepting oil drops that splash and the gear box casing drips from the differential gear, then distributes these oil drops, and although it is limited to get into the collection oil box oil mass when low speed, still can guarantee that the important part in the differential case can fully distribute right amount lubricating oil, guarantees lubricated effect, and when high-speed, most lubricating oil gathers in the collection oil box, and the gear box lower part lubricating oil is less, can reduce and stir oil loss, raises the efficiency;
2. the utility model discloses a set up the baffle between adjacent cavity, leave the intercommunication clearance between baffle and the box lateral wall, guarantee to have the independence between the cavity, can guarantee that each region still has sufficient fluid volume under different whole car gestures;
3. the utility model discloses set up the interception structure on the box, the oil that avoids splashing drips on the reducing gear box lateral wall, through the interception structure with lubricating oil restraint in a fixed space, has improved lubricating oil circulation efficiency, has avoided the waste of lubricating oil.
The utility model discloses simple structure can be effectively with lubricating oil evenly distributed to the important spare part in the reducing gear box on, lubricating oil turnover is efficient, and is lubricated effectual, has very big spreading value.
Drawings
FIG. 1: the utility model discloses an oil collecting box and differential gear assembly structure sketch map;
FIG. 2: the top view of the oil collecting box of the utility model;
wherein: 1-differential gear; 2-an oil inlet chamber; 3-driving the motor input shaft; 4-a first oil outlet; 5 — a first chamber; 6-a first baffle; 7, driving the motor input shaft to be close to the motor side bearing; 8-a second oil outlet; 9 — a second chamber; 10-a second baffle; 11-countershaft gear; 12-a third oil outlet; 13-a receiving chamber; 14-side plate; 15-shrapnel.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments.
According to the oil collecting box disclosed by the embodiment shown in the figures 1-2, the oil collecting box is used for a reduction gearbox, oil drops splashed by a differential gear and oil drops dropped from a shell of the reduction gearbox are collected and then distributed for the second time, and lubricating oil is distributed to important parts in the reduction gearbox, so that the important parts in the reduction gearbox can be distributed to the lubricating oil. The oil collecting box of the embodiment has a certain volume, when the reduction gearbox rotates at a high speed, the oil quantity entering the oil collecting box is larger than the oil quantity flowing out of the oil collecting box, and the oil collecting box can contain the excessive oil quantity.
The collection oil box of this embodiment is located the reducing gear box casing top under, is located the place ahead of differential gear 1's direction of rotation, and the box is the open cavity structure in upper end, is provided with vertical baffle in the box and cuts apart the box into the cavity of a plurality of storage lubricating oil, including a plurality of cavities that are located reducing gear box internal gear, bearing or oil blanket top, the uncovered lubricating oil that is used for accepting to splash or drip in cavity upper end, and the oil-out that corresponds below gear, bearing or oil blanket is seted up to the bottom.
As shown in fig. 1-2, the chamber includes an oil inlet chamber 2 located in front of the rotation direction of the top end of the differential gear 1, one side, facing the differential gear 1, of the oil inlet chamber 2 is of a circular arc-shaped plate-shaped structure, the upper end of the oil inlet chamber 2 is not higher than the top end of the differential gear 1, and a first oil outlet 4 corresponding to the intermediate shaft gear 11 is formed in the bottom of the oil inlet chamber 2. Oil drops brought by rotation of the differential gear 1 are thrown out from the top point of the differential gear 1 under the action of inertia, and the splashed oil drops enter the oil inlet chamber 2 and enter the intermediate shaft gear 11 through the first oil outlet 4 to lubricate the intermediate shaft gear.
As shown in figures 1-2, the chamber further comprises a first chamber 5 located on one side, away from the differential gear 1, of the oil inlet chamber 2, the first chamber 5 is divided from the oil inlet chamber 2 through a first baffle 6, the first chamber 5 is an open chamber located right above a motor side bearing 7 and close to an input shaft of a driving motor, and a second oil outlet 8 facing the middle shaft gear 11 is formed in the bottom of the first chamber 5. The oil inlet chamber 2 is communicated with the first chamber 5 through a gap between the first baffle 6 and the inner wall of the box body. Lubricating oil in the first chamber 5 has three sources, firstly bears the oil drops that differential gear 1 throws away, secondly drops from the oil drop of reducing gear box top, and thirdly enters into first chamber 5 from oil feed chamber 2 through the clearance between first baffle 6 and the box inner wall. Lubricating oil in the first chamber 5 enters the intermediate shaft gear 11 through the second oil outlet 8 to lubricate the intermediate shaft gear, the intermediate shaft gear 11 is in meshing transmission connection with the driving motor input shaft 3, and the lubricating oil dropping on the intermediate shaft gear 11 is transmitted to the driving motor input shaft 3 through the meshing gear part to lubricate the driving motor input shaft.
As shown in fig. 1-2, the chamber further comprises a second chamber 9 located on one side of the first chamber 5 far away from the oil inlet chamber 2, the second chamber 9 is divided from the first chamber 5 through a second baffle 10, the second chamber 9 is an open chamber located right above the intermediate shaft gear 11, and a third oil outlet 12 which is just opposite to the input shaft of the driving motor and close to the motor side bearing 7 is formed in the bottom of the second chamber 9. Lubricating oil in the same second chamber 9 also has three sources, firstly bears the oil drops thrown away by the differential gear 1, secondly drips from the top of the reduction gearbox, and thirdly enters the second chamber 9 from the first chamber 5 through the gap between the second baffle 10 and the inner wall of the box body. The second chamber 9 is communicated with the first chamber 5 through a gap between the second baffle plate 10 and the inner wall of the box body. The lubricating oil in the second chamber 9 lubricates the motor side bearing 7 of the input shaft of the driving motor through the third oil outlet 12.
In order to avoid splashing splashed oil drops onto the side wall of the shell of the reduction gearbox, the intercepting structure for avoiding splashing of lubricating oil on the differential gear 1 onto the side wall of the reduction gearbox is arranged on one side, facing the differential gear 1, of the oil inlet chamber 2. As shown in fig. 1-2, the intercepting structure comprises a receiving chamber 13 arranged on one side of the oil inlet chamber 2 facing the differential gear 1, the receiving chamber 13 is located in an open chamber between the axial side part of the differential gear 1 and the side wall of the reduction gearbox, the receiving chamber 13 is communicated with the oil inlet chamber 2, and the bottom of the receiving chamber is an inclined bottom surface facilitating oil liquid flow.
In addition, the intercepting structure further comprises a side plate 14 located between the axial side part of the differential gear 1 and the side wall of the reduction gearbox, and the side plate 14 is of a circular arc-shaped structure with the edge flush with the edge of the upper half part of the differential gear 1. Screw hole structure has been seted up on curb plate 14 to this embodiment, fixes curb plate 14 on the gearbox casing lateral wall through the bolt, and in order to guarantee stability, this embodiment is provided with a plurality of shell fragments 15 fixed with the gearbox lateral wall at the casing lateral wall.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides an oil collecting box suitable for reducing gear box which characterized in that: comprises a box body; the box body is of a hollow cavity structure with an opening at the upper end, and a vertical baffle is arranged in the box body to divide the box body into a plurality of cavities for storing lubricating oil; the upper end of the cavity is opened for receiving splashed or dripped lubricating oil, and the bottom of the cavity is provided with an oil outlet.
2. The oil collecting box suitable for the reduction gearbox as claimed in claim 1, wherein: the chamber comprises an oil inlet chamber (2); one side of the oil inlet chamber (2) is of a circular arc plate-shaped structure, and a first oil outlet (4) is formed in the bottom of the oil inlet chamber (2).
3. The oil collecting box suitable for the reduction gearbox as claimed in claim 2, wherein: the chamber also comprises a first chamber (5) which is positioned on one side of the oil inlet chamber (2) opposite to the circular arc-shaped side part of the oil inlet chamber (2); first cavity (5) cut apart through first baffle (6) and oil feed cavity (2), second oil-out (8) have been seted up to first cavity (5) bottom.
4. An oil collecting box suitable for a reduction gearbox according to claim 3, characterized in that: the oil inlet chamber (2) is communicated with the first chamber (5) through a gap between the first baffle (6) and the inner wall of the box body.
5. An oil collecting box suitable for a reduction gearbox according to claim 3 or 4, characterized in that: the chamber also comprises a second chamber (9) which is positioned on one side of the first chamber (5) far away from the oil inlet chamber (2); the second chamber (9) is divided from the first chamber (5) through a second baffle (10), and a third oil outlet (12) is formed in the bottom of the second chamber (9).
6. The oil collecting box suitable for the reduction gearbox as claimed in claim 5, wherein: the second chamber (9) is communicated with the first chamber (5) through a gap between the second baffle (10) and the inner wall of the box body.
7. The oil collecting box suitable for the reduction gearbox as claimed in claim 2, wherein: the oil inlet chamber (2) is provided with an intercepting structure for preventing lubricating oil from splashing to the side wall of the reduction gearbox.
8. The oil collecting box suitable for the reduction gearbox as claimed in claim 7, wherein: the intercepting structure comprises a bearing chamber (13) which is arranged on the arc-shaped side part of the oil inlet chamber (2) close to the oil inlet chamber (2); the receiving chamber (13) is an open chamber, and the receiving chamber (13) is communicated with the oil inlet chamber (2) and the bottom of the receiving chamber is provided with an inclined bottom surface convenient for oil to flow.
9. The oil collecting box suitable for the reduction gearbox as claimed in claim 8, wherein: the intercepting structure also comprises a side plate (14) fixed on the outer side wall of the receiving chamber (13); the side plates (14) are of circular arc baffle structure structures.
10. The oil collecting box suitable for the reduction gearbox as claimed in claim 1, wherein: the side wall of the box body is provided with a plurality of elastic sheets (15) with fixed positioning function.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201920400366.6U CN209856357U (en) | 2019-03-27 | 2019-03-27 | Oil collecting box suitable for reduction gearbox |
Applications Claiming Priority (1)
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CN201920400366.6U CN209856357U (en) | 2019-03-27 | 2019-03-27 | Oil collecting box suitable for reduction gearbox |
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CN209856357U true CN209856357U (en) | 2019-12-27 |
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CN201920400366.6U Active CN209856357U (en) | 2019-03-27 | 2019-03-27 | Oil collecting box suitable for reduction gearbox |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022110060A1 (en) * | 2020-11-27 | 2022-06-02 | 华为数字能源技术有限公司 | Transmission, vehicle power assembly, and vehicle |
EP4174343A1 (en) * | 2021-10-27 | 2023-05-03 | Valeo eAutomotive Germany GmbH | Electric drive assembly system and vehicle comprising same |
-
2019
- 2019-03-27 CN CN201920400366.6U patent/CN209856357U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022110060A1 (en) * | 2020-11-27 | 2022-06-02 | 华为数字能源技术有限公司 | Transmission, vehicle power assembly, and vehicle |
EP4174343A1 (en) * | 2021-10-27 | 2023-05-03 | Valeo eAutomotive Germany GmbH | Electric drive assembly system and vehicle comprising same |
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