CN209987997U - Steering wheel corner sensor fixing structure - Google Patents
Steering wheel corner sensor fixing structure Download PDFInfo
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- CN209987997U CN209987997U CN201920439866.0U CN201920439866U CN209987997U CN 209987997 U CN209987997 U CN 209987997U CN 201920439866 U CN201920439866 U CN 201920439866U CN 209987997 U CN209987997 U CN 209987997U
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- steering
- input shaft
- steering wheel
- angle sensor
- corner sensor
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Abstract
The utility model provides a steering wheel corner sensor fixed knot constructs, the corner sensor is fixed on the steering input shaft, wherein, the upper end of corner sensor through last fitting piece with the epaxial upper cover cooperation of steering input is in the same place, the lower extreme through down the fitting piece with the epaxial steering gear shell cooperation of steering input is in the same place, and the upper cover passes through the fastener and is fixed together with the steering gear shell to compress tightly fitting piece, corner sensor and lower fitting piece, the measuring circle of corner sensor through set up in measuring circle and the steering input shaft between the snap ring and with the steering input shaft is along with. The utility model provides a fixed problem of corner sensor when steering wheel corner sensor fixed knot constructs can solve autopilot and does not have the steering spindle.
Description
Technical Field
The utility model relates to a steering wheel corner sensor fixed knot constructs, concretely relates to fixed knot of steering wheel corner sensor on electric steering ware constructs.
Background
The electric steering gear is a part of an automobile steering system, and is connected with a steering wheel through a speed reducing mechanism, a steering shaft and the like to cooperate with the steering wheel to maintain or change the running direction of an automobile. The driver steers the vehicle to run in a straight line or turn by operating the steering wheel, and the vehicle is steered according to the intention of the driver. The rack is driven by the controller to move during automatic driving, so that steering is realized, and mechanical parts including a steering column and an intermediate shaft on a steering input shaft can be eliminated for saving space.
The steering wheel angle sensor is used for detecting the rotating angle value and direction of a steering wheel, is generally installed on a steering column in a matching way with a clock spring, and is directly driven to rotate by the steering wheel. The general rotation angle sensor has a long development period, and a host factory can directly select a mature rotation angle sensor structure and cannot change the structure subsequently. When the automatic steering cancels the mechanical member above the input shaft, the structure of the rotation angle sensor is difficult to redesign because the steering column is not included any more, and therefore, the position of the rotation angle sensor and the fixing manner need to be newly determined.
Therefore, it is necessary to provide a fixing structure that realizes the fixation of the rotation angle sensor without including the steering column.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned technical problem, the utility model provides a steering wheel corner sensor fixed knot constructs can solve the fixed problem of corner sensor when autopilot does not have the steering spindle.
The utility model adopts the technical proposal that:
an embodiment of the utility model provides a steering wheel corner sensor fixed knot constructs, the corner sensor is fixed on the steering input shaft, wherein, the upper end of corner sensor through last fitting piece with the epaxial upper cover cooperation of steering input is in the same place, the lower extreme through down the fitting piece with the epaxial steering gear shell cooperation of steering input is in the same place, the upper cover pass through the fastener with the steering gear shell is fixed together, in order to compress tightly go up the fitting piece the corner sensor with the fitting piece down, the measuring circle of corner sensor through set up in measuring circle and the steering input shaft between the snap ring and with the steering input shaft is along with.
Optionally, the upper fitting piece includes an upper fitting body and a lower fitting body, the upper fitting body is sleeved outside the upper cover, and the lower fitting body abuts against the upper end surface of the rotation angle sensor.
Optionally, the lower fitting piece includes an upper fitting body and a lower fitting body, the upper fitting body abuts against the lower end surface of the rotation angle sensor, and the lower fitting body is fitted outside the steering gear housing.
Optionally, a groove is formed on a surface of the upper fitting body contacting the upper cover, and a sealing member for sealing the upper cover and the upper fitting body is disposed in the groove.
Optionally, a groove is formed on a surface of the lower fitting body contacting the steering gear housing, and a sealing member for sealing the lower fitting body and the steering gear housing is disposed in the groove.
Optionally, the measuring ring is configured to follow the steering input shaft through a follow-up structure, and the follow-up structure includes a clamping groove formed in an outer peripheral portion of the clamping ring and a clamping block protruding from the measuring ring and engaged with the clamping groove.
Optionally, the fastener is a screw.
The embodiment of the utility model provides a steering wheel corner sensor fixed knot constructs, assemble corner sensor between original upper cover and the steering gear shell on the steering input shaft through the fitting piece, and fixed pressing fitting piece and corner sensor between through upper cover and the steering gear shell, thereby with the corner sensor centre gripping between upper cover and steering gear shell, and then fix on the steering input shaft, this fixed mode has cancelled the complicated mechanical structure between steering input shaft and the steering wheel, save space, the cost, and the probability of makeing mistakes has been reduced, furthermore, this fixed mode need not to carry out any change to original spare part, the difficulty of development has been reduced, and install corner sensor at the steering input shaft, also can avoid when reloading the steering wheel, former and clock spring, combination switch assorted corner sensor's misloading.
Drawings
Fig. 1 is an assembly view of a steering wheel angle sensor fixing structure according to the present invention;
fig. 2 is a schematic exploded view of a steering wheel angle sensor fixing structure according to the present invention;
fig. 3 is an enlarged schematic view of the rotation angle sensor of the present invention;
fig. 4 is an enlarged schematic view of the snap ring of the present invention.
(description of reference numerals)
1. The steering wheel steering angle sensor comprises an upper cover, 2 an upper matching piece, 3 a steering wheel angle sensor, 4 a lower matching piece, 5 a steering input shaft, 6 a clamping ring, 31 a clamping block, 32 a measuring ring and 61 a clamping groove.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
Fig. 1 is an assembly view of a steering wheel angle sensor fixing structure according to the present invention; fig. 2 is a schematic exploded view of a steering wheel angle sensor fixing structure according to the present invention; fig. 3 is an enlarged schematic view of the rotation angle sensor of the present invention; fig. 4 is an enlarged schematic view of the snap ring of the present invention.
As shown in fig. 1 and 2, in the fixing structure of the steering wheel angle sensor of the present invention, the angle sensor 3 is fixed on the steering input shaft, wherein the upper end of the angle sensor 3 is matched with the upper cover on the steering input shaft 5 through the upper matching piece 2, the lower end is matched with the steering gear housing on the steering input shaft 5 through the lower matching piece 4, the upper cover 1 is fixed with the steering gear housing through the fastening piece, so as to compress the upper matching piece 2, the angle sensor 3 and the lower matching piece 4, and the measuring ring 32 of the angle sensor 3 follows up with the steering input shaft 5 through the snap ring 6 arranged between the measuring ring and the steering input shaft.
In the embodiment of the present invention, the upper fitting member 2 and the lower fitting member 4 are respectively formed to be matched with the upper cover and the corner sensor, and the shape of the corner sensor and the steering gear housing, as shown in fig. 1 and 2, the upper fitting member 2 may include an upper fitting body and a lower fitting body which are integrally formed, the upper fitting body may be formed into a circular ring structure, the sleeve is sleeved outside the upper cover 1, and the lower fitting body may be formed into a semi-ring structure, and is abutted against the measuring ring 32. The lower fitting 4 may include an upper fitting body and a lower fitting body that are integrally formed, the upper fitting body may be formed in a semi-ring structure to abut on the measuring ring 32, and the lower fitting body may be formed in a ring structure to be fitted outside the steering gear housing.
Further, the upper fitting 2 is formed with a groove in a surface of the upper fitting body contacting the upper cover 1, and a sealing member for sealing the upper cover and the upper fitting body is provided in the groove. The lower fitting 4 is formed with a groove in a surface of the lower fitting body contacting the steering gear housing, and a seal member for sealing the lower fitting body and the steering gear housing is provided in the groove.
Further, in an embodiment of the present invention, the fastening member may be a screw.
Thus, the rotation angle sensor 3 can be sandwiched between the upper cover 1 and the steering housing and fixed to the steering input shaft 5 by the upper fitting 2 and the lower fitting 4.
The utility model discloses in, because the effect of the fastening force between last fitting piece 2 and lower fitting piece 4 and upper cover 1 and the steering gear shell, angle sensor 3 only measures circle 32 and can rotate along with steering input shaft 5. Specifically, the measuring ring 32 may be configured to follow the steering input shaft through a following structure, as shown in fig. 3 and 4, the following structure includes a locking groove formed on an outer circumferential portion of the snap ring 6 and a locking block 31 protruding from the measuring ring 32 and engaged with the locking groove. The inner circumference of the snap ring 6 is sleeved on the steering input shaft 5 and rotates with the steering input shaft 5, the outer circumference is connected with the measuring ring 32 and drives the measuring ring 32 to rotate with the rotation of the steering input shaft 5 through a following structure, and in one example, the snap ring 6 may have a plate-shaped circular structure as shown in fig. 4. The embodiment of the present invention provides a follow-up structure including two slots and two blocks, but not limited to this, and more than two structures can be provided. Thus, in the utility model, through the snap ring and the follow-up structure, when the vehicle is driven automatically, the EPS controller responds to the command of the upper system to rotate the motor; the motor drives the tie rod to move through the speed reducing mechanism, and the tie rod can drive the gear rack to move, so that the steering input shaft 5 rotates along with the tie rod. The snap ring 6 is matched with the steering input shaft 5 to rotate along with the steering input shaft, so that the measuring ring 32 of the rotation angle sensor is further driven to rotate, and the measurement of the rotation angle value input by the upper-layer system is realized.
To sum up, the embodiment of the utility model provides a steering wheel corner sensor fixed knot constructs, assemble the corner sensor between original upper cover and the steering gear shell on the steering input shaft through the fitting piece, and compress tightly fitting piece and corner sensor through the fixed between upper cover and the steering gear shell, thereby with the corner sensor centre gripping between upper cover and steering gear shell, and then fix on the steering input shaft, this fixed mode has cancelled the complicated mechanical structure between steering input shaft and the steering wheel, save space, therefore low costs, and the probability of makeing mistakes has been reduced, furthermore, this fixed mode need not to carry out any change to original spare part, the difficulty of development has been reduced, and install the corner sensor at the steering input shaft, also can avoid when changing the dress steering wheel, former and clock spring, combination switch assorted corner sensor's misloading.
The above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solution of the present invention, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: those skilled in the art can still modify or easily conceive of changes in the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. The utility model provides a steering wheel corner sensor fixed knot constructs which characterized in that, corner sensor fixes on the steering input shaft, wherein, corner sensor's upper end through last fitting piece with the upper cover cooperation on the steering input shaft is in the same place, the lower extreme through lower fitting piece with the steering gear shell cooperation on the steering input shaft is in the same place, the upper cover through the fastener with the steering gear shell is fixed together, in order to compress tightly go up the fitting piece, corner sensor with the fitting piece down, corner sensor's measuring circle through set up in measuring circle and the steering input shaft between the snap ring and with the steering input shaft follow-up.
2. The steering wheel angle sensor fixing structure according to claim 1, wherein the upper fitting member includes an upper fitting body that is fitted around an outside of the upper cover, and a lower fitting body that abuts on an upper end surface of the angle sensor.
3. The steering wheel angle sensor fixing structure according to claim 1, wherein the lower fitting member includes an upper fitting body that abuts on a lower end surface of the angle sensor, and a lower fitting body that is fitted outside the steering housing.
4. The steering wheel angle sensor fixing structure according to claim 2, wherein a groove is formed in a surface of the upper fitting body that contacts the upper cover, and a seal member for sealing the upper cover and the upper fitting body is provided in the groove.
5. The steering wheel angle sensor fixing structure according to claim 3, wherein a groove is formed on a surface of the lower fitting body that contacts the steering housing, and a seal member for sealing the lower fitting body and the steering housing is provided in the groove.
6. The steering wheel angle sensor fixing structure according to claim 1, wherein the measuring ring is configured to follow the steering input shaft by a following structure, and the following structure includes a catching groove formed in an outer peripheral portion of the catching ring and a catching block formed on the measuring ring to be protruded to be fitted into the catching groove.
7. The steering wheel angle sensor fixing structure according to claim 1, wherein the fastener is a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920439866.0U CN209987997U (en) | 2019-04-02 | 2019-04-02 | Steering wheel corner sensor fixing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920439866.0U CN209987997U (en) | 2019-04-02 | 2019-04-02 | Steering wheel corner sensor fixing structure |
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| Publication Number | Publication Date |
|---|---|
| CN209987997U true CN209987997U (en) | 2020-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920439866.0U Active CN209987997U (en) | 2019-04-02 | 2019-04-02 | Steering wheel corner sensor fixing structure |
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| CN (1) | CN209987997U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112158257A (en) * | 2020-09-03 | 2021-01-01 | 中国第一汽车股份有限公司 | Angle sensor for L4-grade automatic driving vehicle |
| CN112758182A (en) * | 2021-02-24 | 2021-05-07 | 华晨鑫源重庆汽车有限公司 | Corner sensor convenient for mounting steering wheel |
-
2019
- 2019-04-02 CN CN201920439866.0U patent/CN209987997U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112158257A (en) * | 2020-09-03 | 2021-01-01 | 中国第一汽车股份有限公司 | Angle sensor for L4-grade automatic driving vehicle |
| CN112758182A (en) * | 2021-02-24 | 2021-05-07 | 华晨鑫源重庆汽车有限公司 | Corner sensor convenient for mounting steering wheel |
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