CN213007405U - Driving half shaft assembly and vehicle - Google Patents
Driving half shaft assembly and vehicle Download PDFInfo
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- CN213007405U CN213007405U CN202020298668.XU CN202020298668U CN213007405U CN 213007405 U CN213007405 U CN 213007405U CN 202020298668 U CN202020298668 U CN 202020298668U CN 213007405 U CN213007405 U CN 213007405U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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Abstract
The utility model relates to a drive half axle assembly and vehicle, drive half axle assembly includes wheel limit axle (1), jackshaft (2) and differential mechanism limit axle (3) that set up along the axis direction interval in proper order be connected with first universal joint (4) between the inner of wheel limit axle (1) and the first end of jackshaft (2) be connected with second universal joint (5) between the inner of differential mechanism limit axle (3) and the second end of jackshaft (2), first universal joint (4) with detachably links together between wheel limit axle (1), second universal joint (5) with link together fixedly between the inner of differential mechanism limit axle (3). From this, the drive semi-axis assembly simple to operate that this application provided, light in weight saves the cost.
Description
Technical Field
The present disclosure relates to the field of automotive technology, and in particular, to a drive axle shaft assembly and a vehicle.
Background
The drive half shaft assembly is a shaft for transmitting torque and is connected between a reduction gearbox and a drive wheel of the automobile. The driving half shaft assembly comprises a wheel side shaft connected with a driving wheel hub, a differential mechanism side shaft connected with a differential mechanism in a speed reduction box and an intermediate shaft connected between the wheel side shaft and the differential mechanism side shaft, in addition, a first universal joint is connected between the intermediate shaft and the wheel side shaft, and a second universal joint is connected between the intermediate shaft and the differential mechanism side shaft.
In the related technology, the first universal joint is fixedly connected with the wheel side shaft in an integrated manner, the second universal joint is fixedly connected with the differential side shaft in an integrated manner or in a spline connection manner, and in any connection manner, after the two ends of the intermediate shaft are respectively connected with the first universal joint and the second universal joint, the driving half shaft assembly is installed on a vehicle; when the second universal joint is connected with the differential mechanism side shaft through the spline, the wheel side shaft, the first universal joint, the intermediate shaft and the second universal joint are integrally connected to the wheel hub of the driving wheel, one end of the differential mechanism side shaft is connected with the differential mechanism, and then the second universal joint and the differential mechanism side shaft are connected through the spline, so that the driving half shaft assembly is installed.
SUMMERY OF THE UTILITY MODEL
The purpose of this disclosure is to provide a drive half shaft assembly, this drive half shaft assembly simple to operate, light in weight saves the cost.
It is another object of the present disclosure to provide a vehicle that is inexpensive to manufacture.
In order to achieve the above object, according to a first aspect of the present disclosure, there is provided a driving axle shaft assembly, including a wheel side shaft, an intermediate shaft, and a differential side shaft, which are sequentially disposed at intervals in an axis direction, a first universal joint connected between an inner end of the wheel side shaft and a first end of the intermediate shaft, a second universal joint connected between an inner end of the differential side shaft and a second end of the intermediate shaft, the first universal joint being detachably connected to the wheel side shaft, and the second universal joint being fixedly connected to an inner end of the differential side shaft.
Optionally, a plurality of first through holes distributed at intervals around the axis direction are formed on the first universal joint, an annular flange protruding in the radial direction is formed at the inner end part of the wheel rim shaft, a plurality of first mounting holes distributed at intervals in the circumferential direction are formed on the annular flange, and the first through holes and the first mounting holes are in one-to-one correspondence and are connected together through first fasteners.
Optionally, the first joint is a constant velocity joint.
Optionally, first universal joint structure is outer ball cage formula, including first shell, first interior star gear and first holder, first interior star gear fixed connection in the jackshaft, first holder activity cladding in the first interior star gear outside to fix and construct for the tube-shape and follow the axis extends in the first shell, a plurality of first through-holes form on the first shell.
Optionally, a splined connection is used between the first universal joint and the wheel rim shaft.
Optionally, the second universal joint is integrally connected with the differential side shaft.
Optionally, the second joint is a constant velocity joint.
Optionally, the second universal joint is constructed as an outer ball cage type, including second shell, second internal star wheel and second holder, the second holder with intermediate shaft connects, the second internal star wheel pivotally connects on the second holder to be located and construct for the bowl shape in the second shell, the second shell has corresponding opening and closed end, the opening orientation the intermediate shaft, the closed end with differential mechanism limit shaft connects.
Optionally, the first universal joint is configured as an outer ball type constant velocity universal joint, and includes a first rubber boot, the first rubber boot is configured as a cone, and a small diameter end thereof is sleeved on the intermediate shaft and is in sealed connection therewith, a large diameter end thereof is sleeved on an outer side of the first universal joint and is in sealed connection therewith, and a wrinkle is formed between the small diameter end and the large diameter end of the first rubber boot; the second universal joint structure is outer ball cage constant velocity universal joint, including second rubber protection casing, second rubber protection casing structure is the awl tube-shape to, its path pot head is located the jackshaft just rather than sealing connection, big footpath pot head is located the second universal joint outside just rather than sealing connection, the fold between the path end of the first rubber protection casing and the big footpath end.
According to a second aspect of the present disclosure, a vehicle is provided that includes the drive axle shaft assembly described above.
Through the technical scheme, when the driving half shaft assembly is installed, the intermediate shaft, the second universal joint and the differential side shaft can be firstly integrated into a whole, the whole is installed on a vehicle, then the wheel side shaft is installed on a vehicle hub, and finally the wheel side shaft and the first universal joint are connected together, so that the installation of the driving half shaft assembly is completed; compared with the installation mode that the driving half shaft assembly is installed on the vehicle in a whole piece after being assembled, the installation mode of step-by-step installation can reduce the requirement on installation precision and is more convenient to install, and compared with the mode that the driving half shaft assembly is fixedly connected with one side of the second universal joint and one side of the first universal joint is detachably connected, the installation mode is more convenient because the space on one side of the hub is larger; moreover, compared with the connection that two universal joint sides are detachable, the structure can be simplified, and the weight is reduced. From this, the drive semi-axis assembly simple to operate that this application provided, light in weight saves the cost.
Additional features and advantages of the disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:
FIG. 1 is a cross-sectional view of a drive axle shaft assembly provided in accordance with certain embodiments of the present disclosure;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 1;
FIG. 4 is a perspective view of a drive axle shaft assembly provided in accordance with certain embodiments of the present disclosure.
Description of the reference numerals
1-wheel side shaft, 11-annular flange, 12-first threaded hole, 2-intermediate shaft, 3-differential side shaft, 4-first universal joint, 41-first through hole, 42-first outer shell, 43-first inner star wheel, 44-first retainer, 5-second universal joint, 51-second outer shell, 52-second inner star wheel, 53-second retainer, 6-first rubber protective cover and 7-second rubber protective cover.
Detailed Description
The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.
In the present disclosure, where directional terms such as "inner and outer" are used without a contrary indication to the contrary, to refer to driving the axle shaft assembly in the axial direction, the terms "first", "second", etc. are used throughout the present disclosure to distinguish one element from another without order or importance. In the following description, when referring to the figures, the same reference numbers in different figures denote the same or similar elements, unless otherwise explained.
According to the first aspect of this disclosure, a drive half axle assembly is provided, including the wheel limit axle 1, jackshaft 2 and differential mechanism limit axle 3 that set up along the axis direction interval in proper order, be connected with first universal joint 4 between the inner of wheel limit axle 1 and the first end of jackshaft 2, be connected with second universal joint 5 between the inner of differential mechanism limit axle 3 and the second end of jackshaft 2, detachably links together between first universal joint 4 and the wheel limit axle 1, fixedly links together between the inner of second universal joint 5 and differential mechanism limit axle 3.
Through the technical scheme, when the driving half-shaft assembly is installed, the intermediate shaft 2, the second universal joint 5 and the differential mechanism side shaft 3 can be firstly combined into a whole and the whole is installed on a vehicle, then the wheel side shaft 1 is installed on a vehicle hub, and finally the wheel side shaft 1 and the first universal joint 4 are connected together, so that the installation of the driving half-shaft assembly is completed; compared with the installation mode that the driving half shaft assembly is installed on a vehicle in a whole after being assembled, the installation mode of step-by-step installation can reduce the requirement on installation precision and is more convenient to install, and compared with the mode that the driving half shaft assembly is fixedly connected with one side of the second universal joint 5 and the first universal joint 4 is detachably connected, the installation mode is more convenient because the space on one side of the hub is larger; moreover, compared with the connection that two universal joint sides are detachable, the structure can be simplified, and the weight is reduced. From this, the drive semi-axis assembly simple to operate that this application provided, light in weight saves the cost.
According to some embodiments of the present disclosure, referring to fig. 1 to 4, a plurality of first through holes 41 are formed in the first universal joint 4 and spaced apart from each other in the axial direction, an annular flange 11 is formed at the inner end of the wheel axle 1 and protrudes in the radial direction, and a plurality of first mounting holes 12 are formed in the annular flange 11 and spaced apart from each other in the circumferential direction, and the first through holes 41 and the first mounting holes 12 are in one-to-one correspondence and are connected together by the first fasteners 8. The first mounting hole 12 and the first through hole 41 may both extend in a direction parallel to the axis, the first mounting hole 12 may be an internal threaded through hole, and the first fastening member 8 may be a bolt or a screw, which enters from one side of the first through hole 41 and is in threaded fit with the first mounting hole 12, so as to connect the first universal joint 4 with the wheel rim axle 1. The rim shaft 1 and the first universal joint 4 can be firmly connected together by the one-to-one connection of the plurality of sets of first through holes 41 and the first mounting holes 12, and the driving force can be reliably transmitted. In addition, a plurality of stages of transition steps may be formed between the annular flange 11 and the body of the wheel axle 1 to reduce stress concentration.
According to some embodiments of the present disclosure, the first universal joint 4 may be a constant velocity universal joint, which may allow the axes of the wheel side shaft 1 and the middle shaft 2 not to be collinear, and may also enable the two shafts to move at the same angular velocity, reduce the requirements for manufacturing and mounting accuracy of the wheel side shaft 1 and the middle shaft 2, and may enable the driving half shaft assembly to be diversified to meet different use requirements.
There are various types of constant velocity joints, and in the present disclosure, as shown with reference to fig. 1 to 4, the first joint 4 is configured in an outer cage type, and includes a first housing 42, a first inner star wheel 43, and a first holder 44, the first inner star wheel 43 being fixedly connected to the intermediate shaft 2, the first holder 44 being movably wrapped around the outside of the first inner star wheel 43 and fixed in a first housing 42 configured in a cylindrical shape and extending along an axis, and a plurality of first through holes 41 being formed in the first housing 42. In which the first holder 44 and the first inner star wheel 43 rotate relative to each other, the outer end surface of the first outer case 42 can abut against the annular flange 11, and the first fastening member passes through the first threaded hole 12 and the first through hole 41, thereby connecting the first universal joint 4 and the hub axle 1.
In other embodiments of the present disclosure, a spline connection may be used between the first universal joint 4 and the wheel rim shaft 1. The adaptation of conventional spline connection configurations to the particular construction of the gimbal will be apparent to those skilled in the art and will not be described in detail in this disclosure.
According to some embodiments of the present disclosure, and as shown with reference to fig. 1-4, the second universal joint 5 is integrally connected to the differential side shaft 3. Thus, the connection strength and the connection precision between the second universal joint 5 and the differential side shaft 3 can be improved, the assembly precision of the whole drive half shaft assembly can be improved, and the assembly steps of the drive half shaft assembly can be simplified.
According to some embodiments of the present disclosure, the second joint is configured in the outer ball cage type, and comprises a second outer shell 51, a second inner star 52 and a second cage 53, the second cage 53 being connected to the intermediate shaft 2, said second inner star 52 being pivotally connected to the second cage 53 and being located in the second outer shell 51 configured in the bowl shape, the second outer shell 51 having a corresponding opening facing the intermediate shaft 2 and a closed end connected to the differential side shaft 3. Relative rotation occurs between the second inner star 52 and the second outer shell 51, and the rotation angle of the universal joint is realized.
The second universal joint 5 can be constructed in the form of an outer ball cage, which comprises a bowl-shaped housing, an inner star wheel, a cage, the closed end of which is connected to the differential side shaft 3.
According to some embodiments of the present disclosure, the first universal joint 4 is configured as an outer ball type constant velocity universal joint, and includes a first rubber boot 6, the first rubber boot 6 is configured as a cone shape, and a small diameter end thereof is sleeved on the intermediate shaft 2 and is in sealed connection therewith, a large diameter end thereof is sleeved on an outer side of the first universal joint 4 and is in sealed connection therewith, and a wrinkle is formed between the small diameter end and the large diameter end of the first rubber boot 6; the second universal joint 5 is constructed as an outer ball cage type constant velocity universal joint, and comprises a second rubber protective cover 7, the second rubber protective cover 7 is constructed as a cone-shaped structure, in addition, the small diameter end sleeve of the second rubber protective cover is arranged on the intermediate shaft 2 and is in sealing connection with the intermediate shaft, the large diameter end sleeve of the second rubber protective cover is arranged on the outer side of the second universal joint 5 and is in sealing connection with the intermediate shaft, and the small diameter end and the large diameter end of the first rubber protective cover 6 are folded. The first rubber protective cover 6 can protect the connecting structure between the first universal joint 4 and the intermediate shaft 2, and the influence on the performance and the service life of the vehicle caused by the pollution of silt, sewage and the like during the running of the vehicle is avoided. The second rubber protective cover 7 can protect the connecting structure between the second universal joint 5 and the intermediate shaft 2, and the influence on the performance and the service life of the vehicle caused by the pollution of silt, sewage and the like during the running of the vehicle is avoided. And the small-diameter end and the large-diameter end are folded, so that the first rubber protective cover 6 and the second rubber protective cover 7 can be allowed to deform along with the movement of the intermediate shaft 2 respectively.
According to a second aspect of the present disclosure, a vehicle is provided that includes the drive axle shaft assembly described above. Based on the advantages of convenient installation and light weight of the driving half shaft assembly, the manufacturing cost of the vehicle is reduced.
The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.
It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.
In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.
Claims (10)
1. The utility model provides a drive half axle assembly, includes along axle in proper order wheel limit axle (1), jackshaft (2) and differential mechanism limit axle (3) that the interval set up be connected with first universal joint (4) between the inner of wheel limit axle (1) and the first end of jackshaft (2) be connected with second universal joint (5) between the inner of differential mechanism limit axle (3) and the second end of jackshaft (2), its characterized in that, first universal joint (4) with detachably links together between wheel limit axle (1), second universal joint (5) with connect together fixedly between the inner of differential mechanism limit axle (3).
2. The drive axle shaft assembly according to claim 1, wherein a plurality of first through holes (41) are formed in the first universal joint (4) at intervals around the axis, an annular flange (11) projecting in the radial direction is formed at the inner end portion of the wheel-side shaft (1), a plurality of first mounting holes (12) are formed in the annular flange (11) at intervals in the circumferential direction, and the first through holes (41) and the first mounting holes (12) are in one-to-one correspondence and are connected together by first fasteners (8).
3. Drive axle shaft assembly according to claim 2, characterised in that the first joint (4) is a constant velocity joint.
4. Drive axle assembly according to claim 3, in which the first gimbal (4) is configured in the form of an outer cage comprising a first outer casing (42), a first inner star wheel (43) and a first cage (44), the first inner star wheel (43) being fixedly connected to the intermediate shaft (2), the first cage (44) being movably wrapped outside the first inner star wheel (43) and being fixed in the first outer casing (42) configured in the form of a cylinder and extending along the axis, the first plurality of through holes (41) being formed in the first outer casing (42).
5. Drive axle shaft assembly according to claim 1, characterised in that a splined connection is used between the first universal joint (4) and the wheel rim shaft (1).
6. Drive axle assembly according to claim 1, in which the second universal joint (5) is formed integrally with the differential side shaft (3).
7. Drive axle shaft assembly according to claim 6, characterised in that the second joint (5) is a constant velocity joint.
8. Drive axle shaft assembly according to claim 7, characterized in that the second universal joint is configured in the outer cage type and comprises a second outer casing (51), a second inner star wheel (52) and a second cage (53), the second cage (53) being connected with the intermediate shaft (2), the second inner star wheel (52) being pivotally connected to the second cage (53) and being located in the second outer casing (51) configured in the bowl shape, the second outer casing (51) having a corresponding opening facing the intermediate shaft (2) and a closed end connected with the differential side shaft (3).
9. The drive axle shaft assembly according to any one of claims 1 to 8, characterized in that the first joint (4) is configured as an outer ball type constant velocity joint, comprising a first rubber boot (6), the first rubber boot (6) being configured as a cone, and having a small diameter end sleeved on the intermediate shaft (2) and sealingly connected thereto, and a large diameter end sleeved on the outside of the first joint (4) and sealingly connected thereto, the first rubber boot (6) having a small diameter end and a large diameter end with a corrugation formed therebetween;
second universal joint (5) structure is outer ball cage constant velocity universal joint, including second rubber protection casing (7), second rubber protection casing (7) structure is the awl tube-shape to, its path pot head is located jackshaft (2) and rather than sealing connection, big footpath pot head is located the second universal joint (5) outside and rather than sealing connection, the fold between the path end of first rubber protection casing (6) and the big footpath end.
10. A vehicle comprising a drive axle shaft assembly according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020298668.XU CN213007405U (en) | 2020-03-11 | 2020-03-11 | Driving half shaft assembly and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020298668.XU CN213007405U (en) | 2020-03-11 | 2020-03-11 | Driving half shaft assembly and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213007405U true CN213007405U (en) | 2021-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020298668.XU Active CN213007405U (en) | 2020-03-11 | 2020-03-11 | Driving half shaft assembly and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213007405U (en) |
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2020
- 2020-03-11 CN CN202020298668.XU patent/CN213007405U/en active Active
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