CN216332273U - Connecting structure between intermediate shaft and steering gear input shaft - Google Patents
Connecting structure between intermediate shaft and steering gear input shaft Download PDFInfo
- Publication number
- CN216332273U CN216332273U CN202122565776.6U CN202122565776U CN216332273U CN 216332273 U CN216332273 U CN 216332273U CN 202122565776 U CN202122565776 U CN 202122565776U CN 216332273 U CN216332273 U CN 216332273U
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- steering gear
- input shaft
- universal joint
- gear input
- positioning
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- 125000006850 spacer group Chemical group 0.000 claims abstract description 14
- 230000002093 peripheral effect Effects 0.000 claims abstract description 9
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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Abstract
The utility model provides a connecting structure between an intermediate shaft and a steering gear input shaft, which comprises the intermediate shaft, a universal joint connected with the intermediate shaft and the steering gear input shaft connected with the universal joint; the universal joint and the steering gear input shaft are matched to transmit torque through an inner spline and an outer spline; a positioning mechanism is further arranged between the universal joint and the steering gear input shaft, and comprises a positioning gap arranged on the universal joint and a positioning piece arranged on the steering gear input shaft; the positioning gap is positioned on the outer peripheral surface of one end of the universal joint, which is connected with the input shaft of the steering gear, and the length direction of the positioning gap is along the axial direction; the setting element includes the holding ring and links firmly the spacer on the holding ring outer peripheral face, the fixed cover of holding ring is located turn to the ware input shaft and is located the below of external splines, the spacer certainly the axial upwards extends is followed to the holding ring. The utility model can provide positioning for the assembly of the universal joint and the steering gear input shaft and improve the assembly efficiency of the universal joint and the steering gear input shaft.
Description
Technical Field
The utility model relates to the technical field of automobile steering systems, in particular to a connecting structure between an intermediate shaft and a steering gear input shaft.
Background
In the steering system of the automobile, an intermediate shaft is connected with a steering gear input shaft of a steering gear assembly through a universal joint. The universal joint is provided with an internal spline, the steering gear input shaft is provided with an external spline, the internal spline and the external spline are matched to transmit torque, and a bolt is inserted between the internal spline and the external spline to limit axial movement between the steering gear input and the universal joint and prevent the universal joint and the steering gear input shaft from loosening to cause the automobile to lose steering.
In the prior art, the universal joint is matched with the input shaft of the steering gear through the inner spline and the outer spline, so that the inner spline and the outer spline can be assembled after being aligned when the universal joint and the input shaft of the steering gear are assembled, an operator needs to try on the assembly repeatedly for many times to align, and the assembly efficiency is low.
Therefore, how to provide a connection structure between an intermediate shaft and a steering gear input shaft to improve the assembly efficiency of a universal joint and the steering gear input shaft is a technical problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a connection structure between an intermediate shaft and a steering gear input shaft, which can provide positioning for the assembly of a universal joint and the steering gear input shaft, thereby reducing the assembly difficulty and improving the assembly efficiency.
In order to achieve the above object, the present invention provides a connection structure between an intermediate shaft and a steering gear input shaft, comprising:
an intermediate shaft;
one end of the universal joint is connected with the intermediate shaft, and the other end of the universal joint is provided with an internal spline;
the steering gear comprises a steering gear input shaft, a universal joint and a limiting bolt, wherein one end of the steering gear input shaft, which is used for being connected with the universal joint, is provided with an external spline, the universal joint and the steering gear input shaft are matched through the internal spline and the external spline to transmit torque, and the limiting bolt penetrates through the universal joint and the steering gear input shaft to limit the axial relative movement of the universal joint and the steering gear input shaft;
a positioning mechanism is further arranged between the universal joint and the steering gear input shaft, and comprises a positioning gap arranged on the universal joint and a positioning piece arranged on the steering gear input shaft;
the positioning gap is positioned on the outer peripheral surface of one end of the universal joint, which is connected with the input shaft of the steering gear, and the length direction of the positioning gap is along the axial direction;
the setting element includes the holding ring and links firmly the spacer on the holding ring outer peripheral face, the fixed cover of holding ring is located the below that is located the external splines on the steering gear input shaft, the spacer certainly the holding ring upwards extends along the axial, during the assembly, in order to realize the circumference location to the universal joint in the location clearance on the universal joint is inserted to the spacer, the holding ring is with the axial positioning to the universal joint in order to realize with the bottom butt of universal joint.
Furthermore, the locating element still including be located the holding ring top and with the coaxial collar of holding ring, this collar fixed cover is located steering gear input shaft spline's top, the spacer is connected in this collar with between the holding ring.
Furthermore, the positioning sheet is of a C-shaped structure.
Furthermore, the middle part of the positioning sheet is provided with a bolt hole for the limiting bolt to pass through.
The utility model has the following beneficial effects:
during assembly, the positioning piece is inserted into the positioning gap on the universal joint, the positioning piece circumferentially positions the universal joint, and at the moment, the inner spline of the universal joint is exactly aligned with the outer spline of the steering gear input shaft; in addition, the bottom of the universal joint is axially limited by the retaining ring. The positioning mechanism is used for positioning the assembly of the universal joint and the input shaft of the steering gear, so that the assembly difficulty is reduced, and the assembly efficiency is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic structural diagram of a steering system of an automobile;
FIG. 2 is a schematic view of the completed assembly of the intermediate shaft and the steering gear input shaft;
FIG. 3 is a schematic illustration of the unassembled construction of the intermediate shaft and the steering gear input shaft;
fig. 4 is a schematic structural diagram of the positioning member.
Reference numerals: 1-a steering column; 2-intermediate shaft; 3-a universal joint; 3 a-internal splines; 4-a steering gear input shaft; 4 a-external splines; 5-a diverter; 6-bolt; 7-positioning the gap; 8-a positioning element; 9-bolt hole.
Detailed Description
In order to make the technical solutions and advantages of the embodiments of the present application more clearly understood, the following further detailed description of the embodiments of the present application with reference to the drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not an exhaustive list of all the embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
Fig. 1 shows the connection relationship of the components from a steering column 1 to a steering gear 6 in an automobile steering system. The driver rotates the steering wheel, the steering column 1 transmits the steering action to the intermediate shaft 2, the intermediate shaft 2 transmits the rotation to the steering gear input shaft 4 through the universal joint 3, the steering gear input shaft 4 converts the rotation of the steering wheel into the linear motion of the steering gear 5 in a mode of matching with a gear, a rack and the like between the steering gear 5, and then the wheels are pulled to enable the automobile to steer.
Referring to fig. 2 to 4, fig. 2 is a schematic view of the assembled intermediate shaft and steering gear input shaft; FIG. 3 is a schematic illustration of the unassembled construction of the intermediate shaft and the steering gear input shaft; fig. 4 is a schematic structural diagram of the positioning member.
The utility model discloses a connecting structure between an intermediate shaft and a steering gear input shaft, which comprises an intermediate shaft 2, a universal joint 3 connected with the intermediate shaft 2 and a steering gear input shaft 4 connected with the universal joint 3. The end of the universal joint 3 intended to be connected to the steering input shaft 3 has internal splines 3a and the end of the steering input shaft 4 intended to be connected to the universal joint 3 has corresponding external splines 4 a. The universal joint 3 and the steering gear input shaft 4 both transmit torque through an internal and external spline fit, and a limit bolt 6 passes through the universal joint 3 and the steering gear input shaft 4 to limit axial relative movement of the universal joint 3 and the steering gear input shaft 4.
The core of the utility model is that: and a positioning mechanism is also arranged between the universal joint 3 and the steering gear input shaft 4 and is used for positioning when the universal joint 3 and the steering gear input shaft 4 are assembled, so that the assembling efficiency of the universal joint 3 and the steering gear input shaft 4 is improved.
Specifically, the positioning mechanism includes a positioning gap 7 provided in the universal joint 3 and a positioning member 8 provided in the steering input shaft 4. The positioning gap 7 is positioned on the outer peripheral surface of one end of the universal joint 3, which is connected with the input shaft of the steering gear, and the length direction of the positioning gap 7 is along the axial direction. The positioning piece 8 comprises a positioning ring 8a and a positioning piece 8b fixedly connected to the outer peripheral surface of the positioning ring 8a, the positioning ring 8a is fixedly sleeved on the steering gear input shaft 4 and is located below the external spline 4a, and the positioning piece 8b extends upwards from the positioning ring 8a along the axial direction.
During the assembly, in making the spacer 8b insert the location clearance 7 on the universal joint 3, then spacer 8b realizes circumferential location to universal joint 3, and the internal spline 3a of universal joint 3 just aligns with the external spline 4a of steering gear input shaft 4 this moment, and under the guide orientation effect of spacer 8b, the internal spline 3a of universal joint 3 can be comparatively easy aligns with the external spline 4a of steering gear input shaft 4 promptly. Meanwhile, the bottom of the universal joint 3 is axially limited by a positioning ring 8a, and after the universal joint and the steering gear input shaft are assembled in place, a limiting bolt 6 is inserted and locked, so that the assembly is completed.
In conclusion, the positioning mechanism is used for positioning the assembly of the universal joint 3 and the steering gear input shaft 4, so that the assembly difficulty is reduced, and the assembly efficiency is improved.
Furthermore, in the present invention, in order to facilitate the installation of the positioning element 8, the positioning element 8 further includes an installation ring 8c located above the positioning ring 8a and coaxial with the positioning ring 8a, the installation ring 8c is fixedly sleeved above the steering gear input shaft spline 4a, and the positioning plate 8b is connected between the installation ring 8c and the positioning ring 8 a.
Furthermore, the locating plate 8b is of a C-shaped structure, and a bolt hole 9 for the limiting bolt 6 to penetrate through is formed in the middle of the locating plate 8 b. As shown in fig. 3 and 4, the positioning plate 8b is located on the outer peripheral surfaces of the positioning ring 8a and the mounting ring 8c, and the bolt hole 9 is located between the positioning plate 8b and the external spline 4a of the steering gear input shaft, and the limit bolt 6 passes through the universal joint 3 and the bolt hole 9 to lock the universal joint 3 and the steering gear input shaft 4.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (4)
1. A connection structure between an intermediate shaft and a steering gear input shaft, comprising:
an intermediate shaft;
one end of the universal joint is connected with the intermediate shaft, and the other end of the universal joint is provided with an internal spline;
the steering gear comprises a steering gear input shaft, a universal joint and a limiting bolt, wherein one end of the steering gear input shaft, which is used for being connected with the universal joint, is provided with an external spline, the universal joint and the steering gear input shaft are matched through the internal spline and the external spline to transmit torque, and the limiting bolt penetrates through the universal joint and the steering gear input shaft to limit the axial relative movement of the universal joint and the steering gear input shaft; it is characterized in that the preparation method is characterized in that,
a positioning mechanism is further arranged between the universal joint and the steering gear input shaft, and comprises a positioning gap arranged on the universal joint and a positioning piece arranged on the steering gear input shaft;
the positioning gap is positioned on the outer peripheral surface of one end of the universal joint, which is connected with the input shaft of the steering gear, and the length direction of the positioning gap is along the axial direction;
the setting element includes the holding ring and links firmly the spacer on the holding ring outer peripheral face, the fixed cover of holding ring is located the below that is located the external splines on the steering gear input shaft, the spacer certainly the holding ring upwards extends along the axial, during the assembly, in order to realize the circumference location to the universal joint in the location clearance on the universal joint is inserted to the spacer, the holding ring is with the axial positioning to the universal joint in order to realize with the bottom butt of universal joint.
2. The coupling structure between the intermediate shaft and the steering gear input shaft according to claim 1, wherein the positioning member further includes a mounting ring located above and coaxial with the positioning ring, the mounting ring being fixedly sleeved above the spline of the steering gear input shaft, and the positioning piece being connected between the mounting ring and the positioning ring.
3. The connection between an intermediate shaft and a steering gear input shaft according to claim 2, wherein the spacer is in a C-shaped configuration.
4. The connection structure between the intermediate shaft and the steering gear input shaft according to claim 3, wherein a bolt hole through which the stopper bolt passes is provided in a middle portion of the spacer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122565776.6U CN216332273U (en) | 2021-10-25 | 2021-10-25 | Connecting structure between intermediate shaft and steering gear input shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122565776.6U CN216332273U (en) | 2021-10-25 | 2021-10-25 | Connecting structure between intermediate shaft and steering gear input shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216332273U true CN216332273U (en) | 2022-04-19 |
Family
ID=81180435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122565776.6U Active CN216332273U (en) | 2021-10-25 | 2021-10-25 | Connecting structure between intermediate shaft and steering gear input shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216332273U (en) |
-
2021
- 2021-10-25 CN CN202122565776.6U patent/CN216332273U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 408000 111 Xinyuan Avenue, Xincheng District, Fuling District, Chongqing Patentee after: Xinyuan Automobile Co.,Ltd. Address before: 408000 111 Xinyuan Avenue, Xincheng District, Fuling District, Chongqing Patentee before: HUACHEN XINYUAN CHONGQING AUTOMOBILE Co.,Ltd. |