CN209838991U - Sliding end constant-speed universal joint shell, driving shaft assembly and differential mechanism - Google Patents
Sliding end constant-speed universal joint shell, driving shaft assembly and differential mechanism Download PDFInfo
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- CN209838991U CN209838991U CN201920176964.XU CN201920176964U CN209838991U CN 209838991 U CN209838991 U CN 209838991U CN 201920176964 U CN201920176964 U CN 201920176964U CN 209838991 U CN209838991 U CN 209838991U
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- constant velocity
- universal joint
- cavity
- shell body
- end constant
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Abstract
The utility model discloses a slide end constant velocity universal joint casing, including the shell body, shell body one end is provided with the cavity along the axis direction, the cavity be used for with the inner festival sliding connection of semi-axis, the other end is provided with half axle gear, half axle gear with shell body structure as an organic whole. The utility model discloses an integrated structure of differential mechanism's differential side gear and the end constant velocity universal joint casing that slides of drive shaft inner end festival has improved the structural reliability of junction, has reduced the quantity of part, has simplified connection structure, has reduced noise and wearing and tearing, has reduced the weight of part, has realized the lightweight, the cost is reduced.
Description
Technical Field
The utility model relates to an automobile parts technical field, in particular to end constant velocity universal joint casing and drive shaft assembly and differential mechanism slide.
Background
The driving shaft assembly and the differential mechanism are key parts of an automobile transmission system, an inner end section handle of the driving shaft assembly is arranged in a spline hole of the half shaft gear, the driving shaft assembly and the differential mechanism are connected through a spline to transmit load, and meanwhile, the driving shaft assembly and the differential mechanism are fixed in relative positions through a shaft end clamp spring.
In the structure in the prior art, the axle shaft gear and the shell of the inner end section of the driving shaft are connected through splines to transfer load, and the axle shaft gear and the shell of the inner end section of the driving shaft are fixed together through the shaft end clamp spring in the axial direction. This kind of connected mode, system parts figure is many, and the probability of failure is high, and the structure is complicated, and weight is big, and vibration appears easily in spline connection department, and the noise is big, and jump ring department has the risk of pulling off the separation.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a slide end constant velocity universal joint casing has improved the reliability of connecting, has reduced the quantity and the weight of part, has simplified connection structure, has reduced the noise.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a slip end constant velocity universal joint casing, includes the shell body, shell body one end is provided with the cavity along the axis direction, the cavity be used for with the inner festival sliding connection of semi-axis, the other end is provided with half axle gear, half axle gear with shell body structure as an organic whole.
Preferably, the case body has an outer diameter larger than an outer diameter of an end portion where the side gear is provided.
Preferably, a connection concave ring is arranged on the outer surface of the end part of the shell body, which is provided with the cavity, and the connection concave ring is used for being connected with the protective cover.
Preferably, the outer surface including the housing body is circular.
A driving shaft assembly comprises an outer end joint assembly, a shaft rod and an inner end joint assembly which are sequentially connected, wherein a universal joint shell of the inner end joint assembly is any one of the sliding end constant-speed universal joint shells.
A sliding end constant velocity universal joint shell in the differential is any one of the sliding end constant velocity universal joint shells.
According to the above technical scheme, the utility model provides a pair of end constant velocity universal joint casing slides, including the shell body, shell body one end is provided with the cavity along the axis direction, the cavity be used for with the inner festival sliding connection of semi-axis, the other end is provided with half axle gear, half axle gear with shell body structure as an organic whole. The utility model discloses an integrated structure of differential mechanism's side gear and the end constant velocity universal joint casing that slides of drive shaft inner end festival has been avoided the two to appear vibration noise and wearing and tearing through spline structural connection, has improved the structural reliability of junction, has reduced the quantity of part, has simplified connection structure, owing to need not set up the stalk portion that is used for connecting side gear, has reduced the weight of part, has realized the lightweight, the cost is reduced.
The utility model provides a drive shaft assembly, including inner end joint assembly, the universal joint casing of inner end joint assembly is foretell end constant velocity universal joint casing that slides, consequently has above-mentioned beneficial effect.
The utility model provides a differential mechanism, the end constant velocity universal joint casing that slides in the differential mechanism is foretell end constant velocity universal joint casing that slides, consequently has above-mentioned beneficial effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic axial cross-sectional structural view of a prior art slip end constant velocity joint housing;
FIG. 2 is a schematic angular configuration of a prior art slip end constant velocity joint housing;
fig. 3 is a schematic axial sectional structural view of a sliding end constant velocity universal joint housing provided in an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an angle of a sliding end constant velocity universal joint housing according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a differential provided in an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a driving shaft assembly according to an embodiment of the present invention.
11. The universal joint comprises a universal joint shell 12, a shaft end clamp spring 21, a shell body 210, a side gear 211, a connecting concave ring 212, a cavity 22, a driven gear 23, a bearing 24, a planetary gear 25, a gearbox shell 26, a planetary gear shaft 27, an outer end joint assembly 28, a shaft rod 29 and an inner end joint assembly.
Detailed Description
The utility model discloses a slide and hold constant velocity universal joint casing has improved the reliability of connecting, has reduced the quantity and the weight of part, has simplified connection structure, has reduced the noise.
As shown in fig. 1 and fig. 2, one end of a joint housing 11 in the prior art is provided with a cavity structure slidably connected with a half shaft, and the other end of the joint housing is a long shank-shaped structure, through which the joint housing 11 is connected with a half shaft gear in the prior art through a spline to transmit load, and the shaft end snap spring 12 axially fixes the half shaft gear in the prior art and the joint housing 11 together. As shown in fig. 2, the outer surface of the cavity structure end of the joint housing 11 in the prior art is an irregular curved surface structure.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 3 to 6, fig. 3 is a schematic axial sectional view of a sliding end constant velocity universal joint housing according to an embodiment of the present invention; fig. 4 is a schematic structural diagram of an angle of a sliding end constant velocity universal joint housing according to an embodiment of the present invention; fig. 5 is a schematic structural diagram of a differential provided in an embodiment of the present invention; fig. 6 is a schematic structural diagram of a driving shaft assembly according to an embodiment of the present invention.
As shown in fig. 3 and 4, the utility model discloses a slip end constant velocity universal joint casing, including shell body 21, shell body 21 one end is provided with along axis direction's cavity 212, cavity 212 be used for with semi-axis sliding connection, the other end is provided with side gear 210, side gear 210 and shell body 21 structure as an organic whole. This technical scheme is integrated as the integral structure with the side gear 210 of differential mechanism and the end constant velocity universal joint casing that slides of drive shaft inner end festival, has avoided the two to appear vibration noise and wearing and tearing through spline structure junction, has improved the structural reliability of junction, has reduced the quantity of part, has simplified connection structure, owing to need not set up the stalk portion that is used for connecting side gear 210, has reduced the weight of part, has realized the lightweight, the cost is reduced.
Specifically, the case body 21 has an outer diameter larger at the end where the side gear 210 is provided than at the end where the cavity 212 is provided. Through the structure arrangement, the half axle gear 210 structure at the end part is convenient to process and assemble and install.
In a specific embodiment, a connection concave ring 211 is provided on the outer surface of the end of the housing body 21 where the cavity 212 is provided, the connection concave ring 211 being used for connection with the shroud. The connection and fixation of the shield are facilitated by the arrangement of the connection concave ring 211.
Wherein, the outer surface of the case body 21 is circular. The outer surface of the shell with the irregular curved surface structure in the prior art is set to be a circular outer surface, so that the shell body 21 is convenient to process, and the production cost and the production time of the shell body 21 are reduced.
As shown in fig. 6, the utility model also provides a drive shaft assembly, drive shaft assembly is including the outer end festival assembly 27, axostylus axostyle 28 and the inner end festival assembly 29 that connect gradually, and the universal joint casing of inner end festival assembly 29 is foretell end constant velocity universal joint casing that slides.
As shown in fig. 5, the utility model also provides a differential mechanism, the end constant velocity universal joint casing that slides in the differential mechanism is foretell end constant velocity universal joint casing that slides. The constant velocity universal joint shell of slip end is installed in the differential case, side gear 210 with planetary gear 24 meshing in the differential case is connected, and planetary gear 24 fixed connection is on planetary gear axle 26, and planetary gear axle 26 fixed connection is in on the differential case, the driven gear 22 fixed connection of reduction gear is in on the differential case, the surface of differential case passes through bearing 23 and rotates the support inside gearbox housing 25.
The driven gear 22 of the reduction gear and the differential case may be formed as an integral structure or may be provided as two parts, and are connected together by bolts.
The engine torque is transmitted through the transmission to the driven gear 22 attached to the differential case, which transmits the torque to the side gear 210 through the planetary gears 24 and the planetary gear shafts 26, and then to the wheels through the shaft rod 28 of the drive shaft and the outer stub assembly 27, thereby driving the vehicle to run.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The utility model provides a slip end constant velocity universal joint casing which characterized in that, includes the shell body, shell body one end is provided with the cavity along the axis direction, the cavity is used for with the inner end section sliding connection of semi-axis, the other end is provided with half shaft gear, half shaft gear with shell body structure as an organic whole.
2. The slip end constant velocity joint housing according to claim 1, wherein an outer diameter of an end portion of said housing body where said side gear is provided is larger than an outer diameter of an end portion where said cavity is provided.
3. The plunging end constant velocity joint housing according to claim 1, wherein a connection recessed ring is provided on an outer surface of an end of the housing body where the cavity is provided, the connection recessed ring being for connection with a boot.
4. The plunging end constant velocity joint housing according to claim 1, comprising a housing body having a rounded outer surface.
5. A drive shaft assembly, which is characterized by comprising an outer end joint assembly, a shaft rod and an inner end joint assembly which are connected in sequence, wherein a joint shell of the inner end joint assembly is the sliding end constant velocity joint shell according to any one of claims 1-4.
6. A differential wherein the plunging end constant velocity joint housing within the differential is the plunging end constant velocity joint housing of any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920176964.XU CN209838991U (en) | 2019-01-31 | 2019-01-31 | Sliding end constant-speed universal joint shell, driving shaft assembly and differential mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920176964.XU CN209838991U (en) | 2019-01-31 | 2019-01-31 | Sliding end constant-speed universal joint shell, driving shaft assembly and differential mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209838991U true CN209838991U (en) | 2019-12-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920176964.XU Active CN209838991U (en) | 2019-01-31 | 2019-01-31 | Sliding end constant-speed universal joint shell, driving shaft assembly and differential mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209838991U (en) |
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2019
- 2019-01-31 CN CN201920176964.XU patent/CN209838991U/en active Active
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