CN216202032U - Corner sensor mounting structure - Google Patents

Abstract

The utility model belongs to the technical field of vehicle engineering, and particularly relates to a corner sensor mounting structure. The steering angle sensor comprises a base, an angle sensor and a connecting shaft, wherein a through hole is formed in the center of the base, at least two mounting holes are formed in the base around the through hole, the angle sensor penetrates through the mounting holes through fasteners to be fixedly connected with a steering axle, the upper end of the connecting shaft extends into the through hole to be connected with the shaft of the angle sensor, and the connecting shaft is further connected with a main pin of the steering axle. The utility model is used for solving the problem that the traditional corner sensor is easy to loosen during installation.

Description

Corner sensor mounting structure

Technical Field

The utility model belongs to the technical field of vehicle engineering, and particularly relates to a corner sensor mounting structure.

Background

With the rapid development of the unmanned technology, the development and design of the drive-by-wire chassis become necessary preconditions of the unmanned technology, and the stability of various perception sensors is particularly important.

The steering angle sensor is a steering angle sensor for detecting an angle between a steering wheel and a steering axle. The traditional corner sensor support is made of aluminum materials and is directly inserted into the steering axle hole to be in interference fit with the steering axle hole. The corner sensor support can cause the interference fit degree to be reduced along with vibration and abrasion in long-time severe working condition operation, and the detection angle does not change along with the rotation of the tire, so that the running route of a vehicle is out of control.

SUMMERY OF THE UTILITY MODEL

The technical problem that this application embodiment will solve lies in overcoming prior art not enough, provides a corner sensor mounting structure for solve the problem that traditional corner sensor installation pine takes off easily.

The technical scheme for solving the technical problems in the embodiment of the application is as follows: a rotation angle sensor mounting structure, comprising:

the center of the base is provided with a through hole, and the base is provided with at least two mounting holes around the through hole;

the corner sensor penetrates through the mounting hole through a fastener and is fixedly connected with the steering axle;

and the upper end of the connecting shaft extends into the through hole to be connected with the shaft of the rotation angle sensor, and the connecting shaft is also connected with a main pin of the steering axle.

Compared with the prior art, the technical scheme has the following beneficial effects:

the corner sensor is communicated with the base and installed on a steering bridge, a shaft of the corner sensor penetrates through the through hole to be connected with the connecting shaft, the lower end of the connecting shaft is connected with the main pin, the corner sensor senses a rotation angle signal of the main pin through the connecting shaft, the condition that interference assembly is prone to abrasion under long-time severe working conditions is avoided, and the sensitivity of the corner sensor is improved.

Furthermore, a central hole matched with the shaft of the rotation angle sensor is formed in the upper end face of the connecting shaft.

Further, the coupling shaft includes: the shaft body is provided with the central hole in the upper end surface;

the mounting disc is fixed in the middle of the shaft body, the shaft body is coaxial with the shaft body, and at least two connecting holes connected with the main pin are formed in the mounting disc.

The mounting disc is connected with the main pin, the upper end of the shaft body is connected with the shaft of the corner sensor, and the mounting disc and the shaft body are coaxial, so that the rotation angle signal of the main pin can be transmitted in real time through the connecting shaft.

Furthermore, the peripheral face of the shaft body close to the upper end is annularly provided with a groove.

When the groove arranged on the circumferential surface of the shaft body close to the upper end can be conveniently assembled, the connecting shaft is taken out or assembled on the main pin through the clamping groove.

Further, the base bottom surface encircles and is equipped with the spacing groove that the mounting disc matches, the spacing groove with the through-hole sets up with the axle center.

The limiting groove formed in the bottom of the base is used for limiting the position of the mounting disc on the connecting shaft, the mounting disc can be accommodated in the limiting groove, and the connecting shaft is wrapped in the limiting groove after the base is mounted on a steering axle, so that the connecting shaft is prevented from being corroded by the external environment.

Further, a butt joint block is arranged on the base and provided with a butt joint surface in butt joint with the end surface of the corner sensor.

The butt joint block arranged on the base is provided with a butt joint surface which is in butt joint with the end part of the corner sensor, and when the corner sensor is installed, the initial position of the corner sensor is convenient to position.

Furthermore, an oil filling port is formed in the abutting block and communicated to the main pin.

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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic diagram of the overall explosive structure of an embodiment of the present invention.

Fig. 2 is a schematic view of the overall structure of the base in fig. 1.

Fig. 3 is a schematic bottom view of fig. 2.

Fig. 4 is a schematic top view of the coupling shaft of fig. 1.

Fig. 5 is a schematic longitudinal sectional structure of an embodiment of the present invention.

Reference numerals:

1. a base; 2. a through hole; 3. mounting holes;

4. a rotation angle sensor;

5. a coupling shaft;

51. a shaft body; 52. mounting a disc; 53. connecting holes;

6. a kingpin;

7. a central bore;

8. a trench;

9. a limiting groove;

10. a butting block; 11 an abutting surface;

12. an oil filling port; 13. and (4) blind holes.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the utility model pertains.

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Examples

As shown in fig. 1, a mounting structure of a rotation angle sensor 4 according to an embodiment of the present invention is applied to a steering axle, the steering axle has a kingpin 6, and when steering, the kingpin 6 rotates relative to the steering axle, and the mounting structure of the rotation angle sensor 4 includes: a base 1, a rotation angle sensor 4 and a coupling shaft 5.

As shown in fig. 2, the base 1 is disc-shaped, a through hole 2 is formed in the center of the base 1, the through hole 2 is concentric with the base 1, at least two mounting holes 3 are formed in the base 1 around the through hole 2, the mounting holes 3 are axisymmetric around the through hole 2, the corner sensor 4 penetrates through the mounting holes 3 through fasteners and is fixedly connected with the steering axle, and specifically, the fasteners such as screws penetrate through holes in two sides of the corner sensor 4 corresponding to the mounting holes 3 and then penetrate through the mounting holes 3 and are fixedly connected with the steering axle.

The upper end of the connecting shaft 5 extends into the through hole 2 to be connected with a shaft of the rotation angle sensor 4, the connecting shaft 5 is further connected with a main pin 6 of the steering axle, and a central hole 7 matched with the shaft of the rotation angle sensor 4 is formed in the upper end face of the connecting shaft 5.

Specifically, as shown in fig. 4, the coupling shaft 5 includes a shaft body 51 and a mounting disc 52, the upper end surface of the shaft body 51 is provided with the central hole 7, the cross section of the central hole 7 is matched with the shaft of the rotation angle sensor 4, the mounting disc 52 is fixed in the middle of the shaft body 51 and is coaxial with the shaft body 51, the mounting disc 52 is provided with at least two connecting holes 53 connected with the main pin 6, correspondingly, the main pin 6 is provided with blind holes 13 corresponding to the connecting holes 53, the connecting holes 53 are axisymmetric around the shaft body 51, the mounting disc 52 is connected with the main pin 6 through connecting pieces such as screws, the upper end of the shaft body 51 is connected with the shaft of the rotation angle sensor 4, and the mounting disc 52 is coaxial with the shaft body 51, so that the rotation angle signal of the main pin 6 is transmitted in real time through the coupling shaft 5.

The corner sensor 4 is communicated with the base 1 and installed on a steering bridge, the shaft of the corner sensor 4 penetrates through the through hole 2 to be connected with the connecting shaft 5, the lower end of the connecting shaft 5 is connected with the main pin 6, the corner sensor 4 senses a rotation angle signal of the main pin 6 through the connecting shaft 5, the condition that interference assembly is prone to abrasion under long-time severe working conditions is avoided, and the sensitivity of the corner sensor 4 is improved.

In this embodiment, the groove 8 is formed around the circumferential surface of the shaft body 51 near the upper end, and when the groove 8 formed around the circumferential surface of the shaft body 51 near the upper end is convenient to assemble, the coupling shaft 5 is taken out or assembled on the kingpin 6 through the clamping groove 8.

As shown in fig. 3, the bottom surface of the base 1 is annularly provided with a limiting groove 9 matching with the mounting disc 52, the limiting groove 9 is coaxially arranged with the through hole 2, specifically, the shaft body 51 of the coupling shaft 5 can be accommodated in the through hole 2 of the base 1, the mounting disc 52 of the coupling shaft 5 can be partially accommodated in the limiting groove 9, and the limiting groove 9 is a circle matching with the shape of the mounting disc 52.

The limiting groove 9 formed in the bottom of the base 1 is used for limiting the position of the mounting disc 52 on the connecting shaft 5, meanwhile, the mounting disc 52 can be accommodated in the limiting groove, and after the base 1 is mounted on a steering axle, the connecting shaft 5 is wrapped in the limiting groove, so that the connecting shaft 5 is prevented from being corroded by the external environment.

Be provided with butt piece 10 on the base 1, butt piece 10 have with the butt face 11 of 4 terminal surfaces butts of corner sensor, the terminal surface of corner sensor 4 is the plane, and when laminating with butt face 11, the axle and the 2 axicons of through-hole of corner sensor 4 bottom set up butt piece 10 on base 1 have with the butt face 11 of 4 tip butts of corner sensor, when installation corner sensor 4, be convenient for fix a position corner sensor 4's initial position.

An oil filling port 12 is formed in the abutting block 10, the oil filling port 12 is communicated with the main pin 6, and lubricating oil can be filled into the main pin 6 through the oil filling port 12.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (7)

1. A rotation angle sensor mounting structure characterized by comprising:

the center of the base is provided with a through hole, and the base is provided with at least two mounting holes around the through hole;

the corner sensor penetrates through the mounting hole through a fastener and is fixedly connected with the steering axle;

and the upper end of the connecting shaft extends into the through hole to be connected with the shaft of the rotation angle sensor, and the connecting shaft is also connected with a main pin of the steering axle.

2. The rotation angle sensor mounting structure according to claim 1, wherein a center hole that matches a shaft of the rotation angle sensor is opened in an upper end surface of the coupling shaft.

3. The rotation angle sensor mounting structure according to claim 2, wherein the coupling shaft includes: the shaft body is provided with the central hole in the upper end surface;

the mounting disc is fixed in the middle of the shaft body, the shaft body is coaxial with the shaft body, and at least two connecting holes connected with the main pin are formed in the mounting disc.

4. The rotation angle sensor mounting structure according to claim 2, wherein a groove is formed around a circumferential surface of the shaft body near the upper end.

5. The mounting structure of the rotation angle sensor according to claim 3, wherein a limiting groove matched with the mounting plate is annularly arranged on the bottom surface of the base, and the limiting groove and the through hole are coaxially arranged.

6. The rotation angle sensor mounting structure according to claim 1, wherein a contact block having a contact surface that contacts the end surface of the rotation angle sensor is provided on the base.

7. The rotation angle sensor mounting structure according to claim 6, wherein an oil filler port is provided in the abutment block, the oil filler port being communicated to the kingpin.

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