CN220809541U - Steering gear and adjusting assembly thereof - Google Patents

Steering gear and adjusting assembly thereof Download PDF

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Publication number
CN220809541U
CN220809541U CN202322137451.7U CN202322137451U CN220809541U CN 220809541 U CN220809541 U CN 220809541U CN 202322137451 U CN202322137451 U CN 202322137451U CN 220809541 U CN220809541 U CN 220809541U
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CN
China
Prior art keywords
driven wheel
pressing block
steering gear
belt
steering
Prior art date
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Active
Application number
CN202322137451.7U
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Chinese (zh)
Inventor
李广
魏玉艳
胡贤能
黄亮亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hangzhou Shibao Auto Steering Gear Co ltd
Original Assignee
Hangzhou Shibao Auto Steering Gear Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hangzhou Shibao Auto Steering Gear Co ltd filed Critical Hangzhou Shibao Auto Steering Gear Co ltd
Priority to CN202322137451.7U priority Critical patent/CN220809541U/en
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Publication of CN220809541U publication Critical patent/CN220809541U/en
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Abstract

The utility model discloses a steering gear and an adjusting component thereof, and relates to the technical field of automobile steering. The elastic piece is located between the first pressing block and the second pressing block, and the first pressing block is fixedly connected with the steering gear shell, so that the compressed elastic piece always provides thrust for the second pressing block, the second pressing block provides tensioning force for the second transmission belt, and the belt transmission can replace worm and gear reduction to be applied to the steering gear.

Description

Steering gear and adjusting assembly thereof
Technical Field
The utility model relates to the technical field of automobile steering, in particular to a steering gear and an adjusting component thereof.
Background
With the rapid development of intelligent driving, the steer-by-wire technology is more and more emphasized, the traditional road feel simulator speed reducing mechanism for steer-by-wire adopts worm gear speed reduction, the installation space requirement on the road feel simulator speed reducing mechanism is higher, and the production cost of the worm gear is higher, so that the belt transmission speed reducing mechanism is to be adopted to replace the worm gear mechanism. However, the belt drive reduction mechanism has a key problem that the tension of the transmission belt needs to be adjusted, and the problem that how to solve the problem is a problem that needs to be considered by a person skilled in the art because the belt drive reduction mechanism is installed inside the housing.
Disclosure of utility model
1. Technical problem to be solved by the utility model
According to the steering gear and the adjusting component thereof, the second pressing block is used for providing tension force for the second transmission belt, so that the belt transmission can replace worm gear reduction to be applied to the steering gear.
2. Technical proposal
In order to solve the problems, the technical scheme provided by the utility model is as follows: the utility model provides an adjusting part for steering gear, includes first briquetting and second briquetting, the second briquetting is used for supporting the second drive belt, first briquetting is used for being connected with steering gear casing inner peripheral wall fastening, be equipped with the elastic component that is in the compression state between first briquetting and the second briquetting.
Optionally, one end of the second pressing block far away from the elastic piece is rotationally connected with a rolling piece, and the rolling piece is used for abutting against the second driving belt.
Optionally, the one end of first briquetting towards the second briquetting is equipped with first recess, the one end of second briquetting towards first briquetting is equipped with the second recess, elastic component one end is located first recess, and the elastic component other end is located the second recess.
Optionally, the second briquetting includes first pressure portion and the second pressure portion of being connected with first pressure portion, first pressure portion is leaned on with the elastic component, second pressure portion is used for with the rolling element is leaned on, the width of second pressure portion is greater than the width of first pressure portion.
Optionally, an external thread for being in threaded fit with the steering gear housing is provided on the peripheral wall of the first pressing block.
Optionally, an annular groove is formed at one end of the first pressing portion, which is close to the second pressing portion, along the circumferential direction.
The utility model also discloses a steering gear which comprises a shell, a motor, a first driving belt, a first driven wheel, a second driving belt, a second driven wheel, a pipe column assembly and the steering gear adjusting assembly, wherein the first driving belt is sleeved at the output end of the motor and the outer peripheral wall of the first driven wheel, the first driven wheel is coaxially provided with a transmission shaft, the second driving belt is sleeved at the transmission shaft and the outer peripheral wall of the second driven wheel, the second driven wheel is coaxially connected with the pipe column assembly, the first driving belt, the first driven wheel, the second driving belt and the second driven wheel are all positioned in the shell, the second pressing block abuts against the second driving belt, and the first pressing block is fixedly connected with the inner peripheral wall of the shell.
Optionally, the casing has the through-hole and holds the chamber with the through-hole intercommunication, first drive belt, first follow driving wheel, second drive belt, second follow driving wheel all are located holds the intracavity, the second briquetting includes first pressure portion and second pressure portion, first briquetting, elastic component and first pressure portion all are located first through-hole, the second pressure portion is located holds the intracavity and supports and lean on the second drive belt.
Optionally, the steering column assembly comprises a steering column and a connecting shaft which are coaxially connected, wherein the steering column is used for being connected with a steering wheel, and the connecting shaft is coaxially connected with the second driven wheel.
Optionally, the motor output is equipped with first driving gear, first driven wheel periphery wall and second driven wheel periphery wall all are equipped with the teeth of a cogwheel, first drive belt winds and establishes at first driving gear and first driven wheel periphery wall, the transmission shaft is equipped with the second driving gear, the second drive belt winds and establishes at second driving gear and second driven wheel periphery wall.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:
(1) According to the adjusting component for the steering gear, the elastic piece is located between the first pressing block and the second pressing block, and the first pressing block is fixedly connected with the steering gear shell, so that the compressed elastic piece always provides thrust for the second pressing block, the second pressing block provides tensioning force for the second transmission belt, and the belt transmission can replace worm and gear reduction to be applied to the steering gear. The rolling piece rolls and is located between second drive belt and the second briquetting, and second drive belt and rolling piece synchronous rotation, second briquetting pass through the rolling piece and exert tensioning force to the second drive belt, guarantee the normal transmission of second drive belt.
(2) According to the steering gear provided by the embodiment of the application, the motor drives the first driven wheel to synchronously rotate through the first transmission belt, and the first transmission belt drives the second driven wheel to synchronously rotate through the transmission shaft and the second transmission belt, so that torque is output to the pipe column assembly. The first driven wheel and the second driven wheel realize the requirements of speed reduction and torque increase, the transmission efficiency is higher, and meanwhile, the flexible transmission can reduce transmission noise.
Drawings
Fig. 1 is a cross-sectional view of an adjustment assembly for a steering gear according to an embodiment of the present utility model.
Fig. 2 is a schematic diagram of a two-stage transmission of a steering gear according to an embodiment of the present utility model.
Fig. 3 is an overall structure diagram of a steering gear according to an embodiment of the present utility model.
The marks in the drawings are as follows: 1. a first briquette; 101. a first groove; 2. a second briquetting; 201. a second groove; 202. a first pressing part; 203. a second pressing part; 204. a ring groove; 3. an elastic member; 4. a rolling member; 5. a housing; 6. a motor; 7. a first belt; 8. a first driven wheel; 9. a second belt; 10. a second driven wheel; 11. a transmission shaft; 12. a steering column; 13. a connecting shaft; 14. a first drive gear; 15. a second drive gear.
Detailed Description
For a further understanding of the present utility model, the present utility model will be described in detail with reference to the drawings and examples.
The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings. The first, second, etc. words are provided for convenience in describing the technical scheme of the present utility model, and have no specific limitation, and are all generic terms, and do not constitute limitation to the technical scheme of the present utility model. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. The technical schemes in the same embodiment and the technical schemes in different embodiments can be arranged and combined to form a new technical scheme without contradiction or conflict, which is within the scope of the utility model.
Example 1
Referring to fig. 1, the adjusting assembly for the steering gear of the embodiment comprises a first pressing block 1 and a second pressing block 2, wherein the second pressing block 2 is used for abutting against a second driving belt 9, the first pressing block 1 is used for being fixedly connected with the inner peripheral wall of a steering gear housing 5, and an elastic piece 3 in a compressed state is arranged between the first pressing block 1 and the second pressing block 2. The elastic piece 3 is located between the first pressing block 1 and the second pressing block 2, and as the first pressing block 1 is fixedly connected with the steering gear housing 5, the compressed elastic piece 3 always provides thrust for the second pressing block 2, so that the second pressing block 2 provides tensioning force for the second transmission belt 9, and the belt transmission speed reducing mechanism can replace worm and gear speed reduction to be applied to the steering gear.
Example 2
With reference to fig. 1, compared with the technical solution of embodiment 1, the adjusting assembly for a steering gear of this embodiment can be improved as follows: the end of the second pressing block 2 far away from the elastic piece 3 is rotatably connected with a rolling piece 4, and the rolling piece 4 is used for abutting against a second driving belt 9. The rolling piece 4 rolls and is located between the second driving belt 9 and the second pressing piece 2, the second driving belt 9 and the rolling piece 4 synchronously rotate, and the second pressing piece 2 applies tensioning force to the second driving belt 9 through the rolling piece 4, so that normal transmission of the second driving belt 9 is ensured. The rolling member 4 in this embodiment is a cylinder or a hollow cylinder.
Example 3
With reference to fig. 1, the steering adjustment assembly of the present embodiment, compared with the technical solutions of embodiments 1 or 2, can be improved as follows: the one end that first briquetting 1 towards second briquetting 2 is equipped with first recess 101, the one end that second briquetting 2 towards first briquetting 1 is equipped with second recess 201, elastic component 3 one end is located first recess 101, and the elastic component 3 other end is located second recess 201. The first groove 101 and the second groove 201 play a limiting role on the elastic piece 3, so that the elastic piece 3 can move linearly along the direction from the first pressing block 1 to the second pressing block 2.
Example 4
With reference to fig. 1, the steering adjustment assembly of the present embodiment, compared with any one of the technical solutions of embodiments 1 to 3, can be improved as follows: the second pressing block 2 comprises a first pressing part 202 and a second pressing part 203 connected with the first pressing part 202, the first pressing part 202 abuts against the elastic piece 3, the second pressing part 203 is used for abutting against the rolling piece 4, and the width of the second pressing part 203 is larger than that of the first pressing part 202. The width of the second pressing portion 203 herein means a direction perpendicular to the axial direction of the second pressing portion 203. The second pressing portion 203 increases the contact area between the second pressing block 2 and the rolling member 4, and increases the stability of the applied force.
Example 5
With reference to fig. 1, the steering adjustment assembly of the present embodiment, compared with any one of the technical solutions of embodiments 1 to 4, can be improved as follows: the outer peripheral wall of the first pressing block 1 is provided with external threads for being in threaded fit with the steering gear housing 5. The first pressing block 1 is rotated, so that the position of the first pressing block 1 in the steering gear housing 5 can be adjusted, and the compressed state of the elastic piece 3 can be adjusted.
Example 6
With reference to fig. 1, the steering adjustment assembly of the present embodiment, compared with any one of the technical solutions of embodiments 1 to 5, can be improved as follows: one end of the first pressing portion 202, which is close to the second pressing portion 203, is provided with a ring groove 204 along the circumferential direction. The ring groove 204 reduces the weight of the second press block 2.
Example 7
The steering gear of the embodiment comprises a shell 5, a motor 6, a first driving belt 7, a first driven pulley 8, a second driving belt 9, a second driven pulley 10, a pipe column assembly and the steering adjusting assembly according to any one of the technical schemes of embodiments 1-6, wherein the first driving belt 7 is sleeved at the output end of the motor 6 and the outer peripheral wall of the first driven pulley 8, a transmission shaft 11 is coaxially arranged on the first driven pulley 8, the second driving belt 9 is sleeved at the transmission shaft 11 and the outer peripheral wall of the second driven pulley 10, the second driven pulley 10 is coaxially connected with the pipe column assembly, the first driving belt 7, the first driven pulley 8, the second driving belt 9 and the second driven pulley 10 are all positioned in the shell 5, the second pressing block 2 abuts against the second driving belt 9, and the first pressing block 1 is tightly connected with the inner peripheral wall of the shell 5. The motor 6 drives the first driven wheel 8 to synchronously rotate through the first transmission belt 7, the first transmission belt 7 drives the second driven wheel 10 to synchronously rotate through the transmission shaft and the second transmission belt 9, and torque is output to the pipe column assembly, and as the second driven wheel 10 is coaxial with the pipe column assembly, the motor 6, the first driven wheel 8 and the second driven wheel 10 are all arranged in parallel, and the motor 6 and the pipe column assembly are arranged in parallel, so that the requirement on the whole installation space of the whole vehicle is greatly reduced, and the design difficulty is further reduced. The requirements of speed reduction and torque increase are met through the first driven wheel 8 and the second driven wheel 10, the transmission efficiency is higher, and meanwhile, the transmission noise can be reduced through flexible transmission. The compressed elastic piece 3 always provides thrust to the second pressing block 2, so that the second pressing block 2 provides tension to the second transmission belt 9, and the belt transmission can replace worm gear reduction to be applied to a steering gear.
Example 8
With reference to fig. 1, the steering adjustment assembly of the present embodiment, compared with any one of the technical solutions of embodiments 1 to 7, can be improved as follows: the shell 5 is provided with a through hole and a containing cavity communicated with the through hole, the first driving belt 7, the first driven wheel 8, the second driving belt 9 and the second driven wheel 10 are all located in the containing cavity, the second pressing block 2 comprises a first pressing part 202 and a second pressing part 203, the first pressing block 1, the elastic piece 3 and the first pressing part 202 are all located in the first through hole, and the second pressing part 203 is located in the containing cavity and abuts against the second driving belt 9.
Example 9
With reference to fig. 1 to 3, the steering adjustment assembly of the present embodiment, compared with any one of the technical solutions of embodiments 1 to 8, can be improved as follows: the column assembly comprises a steering column 12 and a connecting shaft 13 which are coaxially connected, the steering column 12 is used for being connected with a steering wheel, and the connecting shaft 13 is coaxially connected with the second driven wheel 10.
Example 10
With reference to fig. 1 to 3, the steering adjustment assembly of the present embodiment, compared with any one of the technical solutions of embodiments 1 to 9, can be improved as follows: the output end of the motor 6 is provided with a first driving gear 14, the peripheral walls of the first driven wheel 8 and the second driven wheel 10 are respectively provided with gear teeth, the first transmission belt 7 is wound around the first driving gear 14 and the peripheral wall of the first driven wheel 8, the transmission shaft 11 is provided with a second driving gear 15, and the second transmission belt 9 is wound around the second driving gear 15 and the peripheral wall of the second driven wheel 10.
The utility model and its embodiments have been described above by way of illustration and not limitation, and the utility model is illustrated in the accompanying drawings and described in the drawings in which the actual structure is not limited thereto. Therefore, if one of ordinary skill in the art is informed by this disclosure, the structural mode and the embodiments similar to the technical scheme are not creatively designed without departing from the gist of the present utility model.

Claims (8)

1. The adjusting component for the steering gear is characterized by comprising a first pressing block and a second pressing block, wherein the second pressing block is used for abutting against a second transmission belt, the first pressing block is used for being fixedly connected with the inner peripheral wall of the steering gear shell, and an elastic piece in a compressed state is arranged between the first pressing block and the second pressing block;
One end of the second pressing block, which is far away from the elastic piece, is rotationally connected with a rolling piece, and the rolling piece is used for abutting against a second driving belt;
The one end that first briquetting towards the second briquetting is equipped with first recess, the one end that the second briquetting towards first briquetting is equipped with the second recess, elastic component one end is located first recess, and the elastic component other end is located the second recess.
2. The steering adjustment assembly according to claim 1, wherein the second pressing block includes a first pressing portion that abuts against the elastic member and a second pressing portion that is connected to the first pressing portion and that abuts against the rolling member, and a width of the second pressing portion is larger than a width of the first pressing portion.
3. The adjustment assembly for a steering gear according to claim 1, wherein the outer peripheral wall of the first press block is provided with external threads for threaded engagement with a steering gear housing.
4. The steering adjustment assembly according to claim 2, wherein an end of the first pressing portion adjacent to the second pressing portion is provided with a ring groove in a circumferential direction.
5. The steering gear is characterized by comprising a shell, a motor, a first transmission belt, a first driven wheel, a second transmission belt, a second driven wheel, a pipe column assembly and the steering gear adjusting assembly according to any one of claims 1-4, wherein the first transmission belt is sleeved at the output end of the motor and the outer peripheral wall of the first driven wheel, the first driven wheel is coaxially provided with a transmission shaft, the second transmission belt is sleeved at the transmission shaft and the outer peripheral wall of the second driven wheel, the second driven wheel is coaxially connected with the pipe column assembly, the first transmission belt, the first driven wheel, the second transmission belt and the second driven wheel are all positioned in the shell, the second pressing block abuts against the second transmission belt, and the first pressing block is fixedly connected with the inner peripheral wall of the shell.
6. The steering gear according to claim 5, wherein the housing has a through hole and a cavity in communication with the through hole, the first belt, the first driven pulley, the second belt, the second driven pulley are all located in the cavity, the second press block includes a first press portion and a second press portion, the first press block, the elastic member, and the first press portion are all located in the first through hole, and the second press portion is located in the cavity and abuts against the second belt.
7. The steering gear of claim 5, wherein the column assembly includes a coaxially coupled steering column for coupling with a steering wheel and a connecting shaft coaxially coupled with the second driven wheel.
8. The steering gear according to claim 5, wherein the motor output end is provided with a first driving gear, gear teeth are arranged on the outer peripheral walls of the first driven wheel and the second driven wheel, the first transmission belt is wound on the outer peripheral walls of the first driving gear and the first driven wheel, the transmission shaft is provided with a second driving gear, and the second transmission belt is wound on the outer peripheral walls of the second driving gear and the second driven wheel.
CN202322137451.7U 2023-08-09 2023-08-09 Steering gear and adjusting assembly thereof Active CN220809541U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322137451.7U CN220809541U (en) 2023-08-09 2023-08-09 Steering gear and adjusting assembly thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322137451.7U CN220809541U (en) 2023-08-09 2023-08-09 Steering gear and adjusting assembly thereof

Publications (1)

Publication Number Publication Date
CN220809541U true CN220809541U (en) 2024-04-19

Family

ID=90674108

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322137451.7U Active CN220809541U (en) 2023-08-09 2023-08-09 Steering gear and adjusting assembly thereof

Country Status (1)

Country Link
CN (1) CN220809541U (en)

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