CN210760253U - Rear drive axle assembly of light cross-country vehicle - Google Patents
Rear drive axle assembly of light cross-country vehicle Download PDFInfo
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- CN210760253U CN210760253U CN201920879638.5U CN201920879638U CN210760253U CN 210760253 U CN210760253 U CN 210760253U CN 201920879638 U CN201920879638 U CN 201920879638U CN 210760253 U CN210760253 U CN 210760253U
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- gear
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- assembly
- drive axle
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Abstract
A rear drive axle assembly of a light cross-country vehicle comprises a rear drive axle and an external clutch assembly, wherein the assembly is assembled on the rear drive axle through a mounting bracket; the utility model discloses each component such as clutch, power component, reduction gear, transaxle housing is independent separately, and the assembly is simple with the maintenance, and the cost is lower. The product has compact structure, makes full use of the leading action of the motor, realizes the disconnection and the combination through the switch control, ensures the high passing performance on a complex road surface, and also ensures the comfort and the low consumption at high speed.
Description
Technical Field
The utility model relates to an automobile drive part especially relates to a light-duty cross country vehicle rear drive axle assembly.
Background
At present, the rear drive axle assembly of a light cross-country vehicle in China has a time-sharing four-wheel drive with electric drive and two-wheel drive and four-wheel drive switching, a time-sharing four-wheel drive with manual or automatic wheel-side clutch and two-wheel drive and four-wheel drive switching, a time-sharing four-wheel drive with vacuum brake drive and two-wheel drive and four-wheel drive switching, and a full-time four-wheel drive without two-wheel drive and four-wheel drive switching. However, the electric axle housing and the clutch are integrated into a whole, so that the structure is complex, the assembly and the maintenance are difficult, and the cost is relatively high; the two-wheel drive and four-wheel drive switching of the belt wheel side clutch increases the weight and unsprung mass of the whole vehicle; the automatic reliability is poor, and the manual selection and driving are inconvenient; the all-time four-wheel drive vehicle has high oil consumption and large resistance.
Disclosure of Invention
The utility model aims at: the rear drive axle assembly of the light cross-country vehicle has the characteristics of simple assembly and maintenance, lower cost, compact structure, convenient drive mode switching and good applicability.
The technical scheme of the utility model is that: a rear drive axle assembly of a light cross-country vehicle comprises a rear drive axle and an external clutch assembly, the assembly is assembled on the rear drive axle through a mounting bracket,
the clutch assembly consists of a clutch and a power component, the power component comprises a box body and a box body cover, a motor is arranged in the box body, and a power output shaft of the motor is connected with a scroll bar; a duplex gear shaft is arranged in the box body, and a turbine and a gear are arranged on the duplex gear shaft; a gear shaft with a big gear and a gear is arranged in the box body; the rack shaft hole on the box body is provided with a rack shaft, the rack shaft is provided with a pin hole, and the shifting fork is arranged on the rack shaft through a pin.
The clutch comprises a shell, a clutch main shaft is arranged in the shell, a gear sleeve is sleeved outside the clutch main shaft, one end of the clutch main shaft is connected with a flange assembly, a clutch gear is arranged on the other side of the clutch main shaft, the clutch gear contains internal teeth, and the connecting flange is arranged on the internal teeth of the clutch gear through splines.
The worm is meshed with the worm wheel, the gear on the duplex gear shaft is meshed with the large gear, the gear on the gear shaft is meshed with the rack shaft arranged in the rack shaft hole on the box body, and the clutch gear is meshed with the clutch spindle through the gear sleeve.
The utility model discloses a theory of operation is: the motor receives the instruction back rotation of breaking away from, drives the turbine on the duplex tooth and then rotates through the worm on the motor shaft, then drives the rack axle through the epaxial gear of gear drive and realizes axial motion, lets clutch main shaft and clutch gear separate and hookup through installing the epaxial shift fork of rack at last to realize the separation and reunion of constant speed semi-axis and final drive, let the car carry out two and drive with four switching of driving.
Compared with the prior art, the utility model has the following characteristics:
1. the clutch, the power assembly, the speed reducer, the drive axle housing and other elements are independent, the assembly and the maintenance are simple, and the cost is low.
2. The product has compact structure, makes full use of the leading action of the motor, realizes the disconnection and the combination through the switch control, ensures the high passing performance on a complex road surface, and also ensures the comfort and the low consumption at high speed.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a power assembly;
FIG. 3 is a right side view of FIG. 2;
FIG. 4 is a schematic diagram of a clutch assembly.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in the figure: a rear drive axle assembly of a light cross-country vehicle comprises a rear drive axle 1 and an external clutch assembly, wherein the assembly is assembled on the rear drive axle 1 through a mounting bracket 4;
the clutch assembly consists of a clutch 2 and a power component 3, the power component 3 comprises a box body 11 and a box body cover 12, a motor 5 is arranged in the box body 11, and a power output shaft of the motor 5 is connected with a worm 6; a duplex gear shaft 7 is arranged in the box body 11, and a turbine 13 and a gear 14 are arranged on the duplex gear shaft 7; a gear shaft 9 with a large gear 8 and a gear 15 is also arranged in the box body 11; a rack shaft 10 is arranged in a rack shaft hole on the box body 11, a pin hole 16 is arranged on the rack shaft, and a shifting fork 20 is arranged on the rack shaft 10 through a pin 21.
The clutch comprises a shell 19 and a shell 25, a clutch main shaft 17 is arranged in the shell 19, a gear sleeve 30 is sleeved outside the clutch main shaft 17, one end of the gear sleeve is connected with a flange assembly 18, a clutch gear 26 is arranged on the other side of the gear sleeve, the clutch gear 26 contains internal teeth, and a connecting flange 23 is arranged on the internal teeth of the clutch gear 26 through splines.
The worm 6 is meshed with the worm wheel 13, the gear 14 on the duplex gear shaft 7 is meshed with the large gear 8, the gear 15 on the gear shaft 9 is further meshed with the rack shaft 10 arranged in the rack shaft hole on the box body 11, and the clutch gear is meshed with the clutch spindle through the gear sleeve.
Claims (2)
1. A rear drive axle assembly of a light cross-country vehicle comprises a rear drive axle and an external clutch assembly, wherein the assembly is assembled on the rear drive axle through a mounting bracket;
the clutch assembly consists of a clutch and a power component, the power component comprises a box body and a box body cover, a motor is arranged in the box body, and a power output shaft of the motor is connected with a scroll bar; a duplex gear shaft is arranged in the box body, and a turbine and a gear are arranged on the duplex gear shaft; a gear shaft with a big gear and a gear is arranged in the box body; a rack shaft is arranged in the rack shaft hole on the box body, a pin hole is arranged on the rack shaft, a shifting fork is arranged on the rack shaft through a pin,
the clutch is characterized by comprising a shell, a clutch main shaft is arranged in the shell, a gear sleeve is sleeved outside the clutch main shaft, one end of the clutch main shaft is connected with a flange assembly, a clutch gear is arranged on the other side of the clutch main shaft, the clutch gear contains internal teeth, and a connecting flange is arranged on the internal teeth of the clutch gear through splines.
2. The rear drive axle assembly of a light cross-country vehicle as set forth in claim 1, wherein the worm is engaged with the worm wheel, the gear of the duplicate gear shaft is engaged with the large gear, the gear of the gear shaft is engaged with the rack shaft installed in the rack shaft hole of the housing, and the clutch gear is engaged with the clutch main shaft through the gear sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920879638.5U CN210760253U (en) | 2019-06-12 | 2019-06-12 | Rear drive axle assembly of light cross-country vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920879638.5U CN210760253U (en) | 2019-06-12 | 2019-06-12 | Rear drive axle assembly of light cross-country vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210760253U true CN210760253U (en) | 2020-06-16 |
Family
ID=71050894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920879638.5U Active CN210760253U (en) | 2019-06-12 | 2019-06-12 | Rear drive axle assembly of light cross-country vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210760253U (en) |
-
2019
- 2019-06-12 CN CN201920879638.5U patent/CN210760253U/en active Active
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