Rear main speed reducer assembly

Abstract

The utility model relates to the technical field of automobile speed reducers, in particular to a rear main speed reducer assembly which comprises a rear main speed reducer (1). A torque manager (2) and an expansion structure are respectively arranged on the rear main speed reducer (1); the torque manager is installed on the rear main speed reducer, the driving performance of the vehicle can be optimized, the control stability, the traction capacity and the escape capacity are enhanced by dynamically adjusting the torque transmitted to the rear wheels, meanwhile, better vehicle control is provided during emergency avoidance or rapid steering, and driving safety is ensured. In addition, fuel economy or battery endurance of the electric vehicle can be improved, driving experience is improved, and the electric vehicle can adapt to different driving modes so as to meet diversified driving requirements. The expansion structure provides different schemes for a rear suspension structure of the rear main speed reducer. Therefore, the universality of the device is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile speed reducer, specifically, the utility model relates to a rear main speed reducer assembly. BACKGROUND

[0002] The current rear main speed reducer of the automobile is not equipped with a torque manager, which may cause uneven torque distribution of the vehicle under complex road conditions, affect the traction performance, control performance and escape ability, increase energy consumption, and may reduce the driving experience and safety to some extent.

[0003] The applicant found, through retrieval, that the Chinese patent document with publication number 213511978U disclosed a rear main speed reducer housing on June 22, 2021, which includes a rear main speed reducer housing, a tool support plate, a connecting plate, a pressing plate, a tool positioning pin hole, a four-axis screw hole, a four-axis positioning pin hole, and a support rib plate. The bottom end of the rear main speed reducer housing is fixedly provided with a tool support plate, and the front end of the rear main speed reducer housing is fixedly provided with a tool positioning pin hole and a positioning pin hole corresponding to the tool support plate. The device cannot solve the above technical problems.

[0004] Therefore, in order to improve or solve at least one of the above problems, it is necessary to optimize the existing rear main speed reducer structure. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a rear main speed reducer assembly that can improve the traction performance of the automobile and improve the universality of the rear main speed reducer.

[0006] In order to solve the above technical problems, the utility model adopts the technical scheme of a rear main speed reducer assembly, which includes a rear main speed reducer.

[0007] The rear main speed reducer includes a reducer input end; the torque manager includes a torque output end; and the torque output end is connected to the reducer input end.

[0008] The rear main speed reducer includes a reducer output end; the reducer output end is arranged on both sides of the rear main speed reducer, and the reducer output end is arranged on the end of the rear main speed reducer away from the reducer input end; a stud is arranged on the end face of the reducer output end; and a connecting bolt is arranged in the stud.

[0009] The reducer input end includes a mounting sleeve; and a limiting rib plate is arranged on the end face of the reducer input end.

[0010] The rear main reducer is provided with a first suspension mounting plate and a second suspension mounting plate on both sides thereof respectively; an installation end face is arranged at an end of the rear main reducer away from the torque manager; a third suspension mounting sleeve and a fourth suspension mounting sleeve are arranged on the installation end face respectively.

[0011] As an option, mounting holes are arranged on the first suspension mounting plate and the second suspension mounting plate; bushings are arranged in the mounting holes; the bushings, the third suspension mounting sleeve and the fourth suspension mounting sleeve are connected with the auxiliary frame.

[0012] As another option, the expansion structure comprises an expansion bracket; a connecting screw is arranged on the expansion bracket; the connecting screw is arranged in the third suspension mounting sleeve and the fourth suspension mounting sleeve respectively; suspension mounting blocks are arranged at both ends of the expansion bracket respectively; the suspension mounting blocks are connected with the auxiliary frame.

[0013] A first air hole is arranged on the top surface of the rear main reducer; a second air hole is arranged on the end face of the reducer output end; a one-way valve is arranged in the first air hole and the second air hole.

[0014] The application has the following beneficial effects:

[0015] 1. The input end of the rear main reducer of the application is connected with the output end of the torque manager; the input end of the torque manager is connected with the intermediate transmission shaft of the engine; the output end of the rear main reducer is connected with the rear drive shaft; the torque manager receives the torque transmitted by the engine, and distributes the torque to the left and right wheels after speed reduction and torque increase through the main reduction gear of the rear main reducer; thereby the driving performance of the vehicle can be optimized, the torque transmitted to the rear wheels is dynamically adjusted, the control stability, traction ability and escape ability are enhanced, better vehicle control is provided in emergency avoidance or rapid turning, the driving safety is ensured; in addition, it can also improve the fuel economy or the battery endurance of the electric vehicle, improve the driving experience, and adapt to different driving modes to meet diversified driving needs.

[0016] 2. The rear main reducer of the application adopts four-point suspension, and has higher stability; the first suspension mounting plate and the second suspension mounting plate are arranged on both sides of the rear main reducer respectively; the third suspension mounting sleeve and the fourth suspension mounting sleeve arranged on the installation end face of the rear main reducer can be directly connected with the auxiliary frame; or an expansion bracket can be installed on the installation end face; the suspension mounting blocks at both ends of the expansion bracket can be directly connected with the auxiliary frame as the rear suspension structure; the device can select to use the expansion bracket according to the structure of different vehicle models; the size of the expansion bracket can be customized according to the vehicle model, thereby effectively increasing the universality of the device.

[0017] 3. The rear main reducer integrated torque manager of the application has high integration degree and can be designed systematically; a reserved interface can integrate a differential lock according to requirements, and meets the application of multiple scenes and multiple platform vehicle models.

[0018] 4. The rear main reducer shell vent of the application is designed universally, and can match a one-way valve or a vent plug according to the wading definition requirements of different vehicle models, and meets the application of multiple platform vehicle models. BRIEF DESCRIPTION OF DRAWINGS

[0019] The specific embodiments of the application will be further described in detail below with reference to the accompanying drawings, in which:

[0020] Figure 1 Fig. 1 is a structural schematic view of the rear main reducer assembly of the application.

[0021] Figure 2 Fig. 2 is a structural schematic view of the torque manager of the rear main reducer assembly of the application.

[0022] Figure 3 Fig. 3 is a structural schematic view of the rear main reducer of the rear main reducer assembly of the application.

[0023] Figure 4 Fig. 4 is a structural schematic view of the mounting end face of the rear main reducer assembly of the application.

[0024] The marks in the above figures are as follows:

[0025] The marks in the figures are as follows:

[0026] 1. Rear main reducer, 101, reducer input end, 102, reducer output end, 103, mounting end face,

[0027] 2. Torque manager, 201, torque output end,

[0028] 3. One-way valve,

[0029] 4. First air hole, 401, second air hole

[0030] 5. Stud, 501, mounting bolt,

[0031] 6. Mounting sleeve, 601, limiting rib plate,

[0032] 7. First suspension mounting plate, 701, second suspension mounting plate, 702, bushing, 703, third suspension mounting sleeve, 704, fourth suspension mounting sleeve, 705, mounting hole,

[0033] 8. Expansion bracket, 801, suspension mounting block. DETAILED DESCRIPTION

[0034] The specific embodiments of the utility model are further described below with reference to the drawings and embodiments, and the purpose is to help the technical personnel in the field to have a more complete, accurate and in-depth understanding of the inventive concept and technical scheme of the utility model, and to help them implement it.

[0035] Figures 1-4 The rear main reducer assembly shown comprises a rear main reducer 1, and a torque manager 2 and an expansion structure are respectively arranged on the rear main reducer 1.

[0036] The torque manager 2 is installed on the rear main reducer 1, can optimize the driving performance of the vehicle, enhances the control stability, traction capacity and escape ability by dynamically adjusting the torque transmitted to the rear wheels, provides better vehicle control when emergency avoidance or rapid turning, ensures driving safety, and further improves fuel economy or battery endurance of electric vehicles, improves driving experience, and adapts to different driving modes to meet diversified driving needs; the expansion structure provides different schemes for the rear suspension structure of the rear main reducer 1, thereby effectively increasing the versatility of the device.

[0037] The rear main reducer 1 comprises a reducer input end 101, and the torque manager 2 comprises a torque output end 201; the torque output end 201 is connected with the reducer input end 101.

[0038] The reducer input end 101 of the rear main reducer 1 is connected with the torque manager 2 of the torque manager 2; the input end of the torque manager 2 is connected with the engine intermediate transmission shaft; the output end of the rear main reducer 1 is connected with the rear drive shaft; the torque manager 2 receives the torque transmitted by the engine, and distributes it to the left and right side wheels through the main reduction gear of the rear main reducer 1.

[0039] The rear main reducer 1 comprises a reducer output end 102; the reducer output end 102 is arranged on both sides of the rear main reducer 1, and the reducer output end 102 is arranged at one end of the rear main reducer 1 away from the reducer input end 101; a stud 5 is arranged on the end face of the reducer output end 102; a mounting bolt 501 is arranged in the stud 5.

[0040] The reducer output end 102 comprises a circular end face; a plurality of studs 5 are arranged along the edge of the end face of the reducer output end 102; the differential lock is installed on the end face of the reducer output end 102, the mounting bolt 501 is installed on the differential lock, and then installed in the stud 5, so that the fixing of the differential is realized; thereby the device can integrate the differential lock according to the demand, and meet the application of multiple scenes and multiple platform vehicle models.

[0041] The reducer input end 101 comprises a mounting sleeve 6; a limiting rib plate 601 is arranged on the end face of the reducer input end 101.

[0042] The automobile rear drive shaft is installed in the mounting sleeve 6; the mounting sleeve 6 extends to the outside of the end face of the reducer input end 101; if a differential lock is needed; the mounting sleeve 6 can be inserted into the center hole of the differential lock to achieve limiting; a plurality of limiting rib plates 601 are uniformly distributed on the end face of the reducer input end 101, which can not only strengthen the strength but also limit the differential lock.

[0043] The first suspension mounting plate 7 and the second suspension mounting plate 701 are respectively arranged on the two sides of the rear main reducer 1; the end of the rear main reducer 1 away from the torque manager 2 is provided with a mounting end face 103; the mounting end face 103 is respectively provided with a third suspension mounting sleeve 703 and a fourth suspension mounting sleeve 704.

[0044] The first suspension mounting plate 7 and the second suspension mounting plate 701 are fixedly connected on the two sides of the rear main reducer 1 and arranged on the end of the rear main reducer 1 close to the torque manager 2; the third suspension mounting sleeve 703 and the fourth suspension mounting sleeve 704 are fixedly connected on the mounting end face 103.

[0045] As a scheme, the first suspension mounting plate 7 and the second suspension mounting plate 701 are both provided with mounting holes 705; the mounting holes 705 are provided with bushings 702; the bushings 702, the third suspension mounting sleeve 703 and the fourth suspension mounting sleeve 704 are all connected with the subframe.

[0046] The mounting hole 705 is a circular through hole; the bushing 702 is fixedly connected in the mounting hole 705; the bushing 702 adopts a longitudinal large bushing design, which has higher durability; the bushing 702, the third suspension mounting sleeve 703 and the fourth suspension mounting sleeve 704 are all fixedly connected with the subframe, so as to realize the stable connection of the rear reducer 1 and the subframe.

[0047] As another scheme, the expansion structure includes an expansion bracket 8; the expansion bracket 8 is provided with connecting screws; the connecting screws are respectively installed in the third suspension mounting sleeve 703 and the fourth suspension mounting sleeve 704; the two ends of the expansion bracket 8 are respectively provided with suspension mounting blocks 801; the suspension mounting blocks 801 are connected with the subframe.

[0048] The expansion bracket 8 is a square plate; the expansion bracket 8 is installed in the third suspension mounting sleeve 703 and the fourth suspension mounting sleeve 704 through two connecting screws, so as to realize the fixed connection of the expansion bracket 8 and the rear reducer 1; the suspension mounting blocks 801 at the two ends of the expansion bracket 8 can be directly connected with the subframe as the rear suspension structure; the device can select to use the expansion bracket 8 according to different vehicle structures; the size of the expansion bracket 8 can be customized according to the vehicle model, so as to effectively increase the universality of the device.

[0049] The top surface of the rear main reducer 1 is provided with a first air hole 4; the end surface of the reducer output end 102 is provided with a second air hole 401; the first air hole 4 and the second air hole 401 are both provided with a one-way valve 3.

[0050] The first air hole 4 and the second air hole 401 of the housing of the rear main reducer 1 are designed in a universal manner, and can be matched with the one-way valve 3 or the air plug according to the wading definition requirements of different vehicle models, so as to meet the application of multiple platform vehicle models.

[0051] The specific working process of the utility model is as follows:

[0052] The reducer input end 101 of the rear main reducer 1 is connected with the torque manager 2 of the torque manager 2; the input end of the torque manager 2 is connected with the engine intermediate transmission shaft; the output end of the rear main reducer 1 is connected with the rear drive shaft; the torque manager 2 receives the torque transmitted by the engine, and distributes the torque to the left and right wheels through the main reduction gear of the rear main reducer 1.

[0053] The third suspension mounting sleeve 703 and the fourth suspension mounting sleeve 704 arranged on the mounting end surface 103 of the rear main reducer 1 can be directly connected with the auxiliary frame; or an expansion bracket 8 can be mounted on the mounting end surface 103; the suspension mounting blocks 801 at both ends of the expansion bracket 8 can be directly connected with the auxiliary frame to serve as the rear suspension structure; the device can select to use the expansion bracket 8 according to the structure of different vehicle models; the size of the expansion bracket 8 can be customized according to the vehicle model, so as to effectively increase the universality of the device.

[0054] The utility model is described exemplarily above in combination with the drawings. Apparently, the specific implementation of the utility model is not limited by the above-mentioned mode. As long as various non-essential improvements are made by adopting the method concept and technical scheme of the utility model, or the above-mentioned concept and technical scheme of the utility model are directly applied to other occasions without improvement, all of them are within the protection scope of the utility model.

Claims

1. A rear main reducer assembly, characterized in that: Includes a rear main reducer (1); the rear main reducer (1) is respectively provided with a torque manager (2) and an extension structure; The rear main reducer (1) includes a reducer input end (101); the torque manager (2) includes a torque output end (201); the torque output end (201) is connected to the reducer input end (101); The rear main reducer (1) includes a reducer output end (102); the reducer output end (102) is respectively located on both sides of the rear main reducer (1), and the reducer output end (102) is located at the end of the rear main reducer (1) away from the reducer input end (101); a stud (5) is provided on the end face of the reducer output end (102); a mounting bolt (501) is provided in the stud (5).

2. A rear main reducer assembly according to claim 1, characterized in that: The input end (101) of the reducer includes a mounting sleeve (6); a limiting rib (601) is provided on the end face of the input end (101) of the reducer.

3. A rear main reducer assembly according to claim 2, characterized in that: The rear main reducer (1) is provided with a first mounting plate (7) and a second mounting plate (701) on both sides respectively; the rear main reducer (1) is provided with a mounting end face (103) at the end away from the torque manager (2); the mounting end face (103) is provided with a third mounting sleeve (703) and a fourth mounting sleeve (704).

4. A rear main reducer assembly according to claim 3, characterized in that: The first suspension mounting plate (7) and the second suspension mounting plate (701) are provided with mounting holes (705); a bushing (702) is provided in the mounting hole (705); the bushing (702), the third suspension mounting sleeve (703) and the fourth suspension mounting sleeve (704) are all connected to the subframe.

5. A rear main reducer assembly according to claim 4, characterized in that: The extension structure includes an extension bracket (8); the extension bracket (8) is provided with connecting screws; the connecting screws are respectively installed in the third suspension mounting sleeve (703) and the fourth suspension mounting sleeve (704); the two ends of the extension bracket (8) are respectively provided with suspension mounting blocks (801); the suspension mounting blocks (801) are connected to the subframe.

6. A rear main reducer assembly according to any one of claims 1 to 5, characterized in that: The top surface of the rear main reducer (1) is provided with a first air hole (4); the end face of the reducer output end (102) is provided with a second air hole (401); a one-way valve (3) is provided in both the first air hole (4) and the second air hole (401).

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