CN221323036U

CN221323036U - Flexible shaft assembly

Info

Publication number: CN221323036U
Application number: CN202322146964.4U
Authority: CN
Inventors: 章方超; 张丹丹
Original assignee: Wuhan Chukai Auto Parts Co ltd
Current assignee: Wuhan Chukai Auto Parts Co ltd
Priority date: 2023-08-10
Filing date: 2023-08-10
Publication date: 2024-07-12
Anticipated expiration: 2033-08-10

Abstract

The application discloses a flexible shaft assembly, and belongs to the technical field of automobile part manufacturing. The flexible shaft assembly comprises a flexible shaft, one end of the flexible shaft is provided with threads, and the other end of the flexible shaft is connected with a driving motor; the fixed structure is rotationally connected with the flexible shaft and fixedly connected with the external structure; the mounting structure is in threaded connection with the flexible shaft, a limiting clamping block is arranged on the mounting structure and used for limiting circumferential displacement of the mounting mechanism, and a mounting block is arranged on the mounting structure and used for mounting the steering wheel.

Description

Flexible shaft assembly

Technical Field

The application belongs to the technical field of automobile part manufacturing, and particularly relates to a flexible shaft assembly.

Background

The flexible shaft assembly is an important motion transmission mechanism in the vehicle and is used for transmitting corresponding motion of the operating rod to the gearbox to control the operation of the vehicle. Along with the continuous promotion of autopilot's technique, people can carry out the conversion between autopilot and manual driving in driving car process, when adopting autopilot, the position of steering wheel can restrict the interior space to bring a great deal of inconvenience to autopilot in-process. Therefore, the flexible shaft assembly in the prior art cannot be used for adjusting, recovering and unfolding the steering wheel in height, so that the experience in the automatic driving process is affected.

Disclosure of Invention

The application provides a flexible shaft assembly, which aims to solve the technical problem that the flexible shaft assembly in the prior art cannot be used for adjusting, recovering and expanding the steering wheel in height so as to influence the experience in the automatic driving process.

In a first aspect of the application, there is provided a flexible shaft assembly comprising a flexible shaft, one end of the flexible shaft being provided with a screw thread, the other end of the flexible shaft being connected with a drive motor; the fixed structure is rotationally connected with the flexible shaft and fixedly connected with the external structure; the flexible shaft is connected with the mounting structure in a threaded mode, a limiting clamping block is arranged on the mounting structure and used for limiting annular displacement of the mounting mechanism, and a mounting block is arranged on the mounting structure and used for mounting a steering wheel.

In some embodiments, the mounting block and the limit block are respectively located at two sides of the mounting structure.

In some embodiments, the flexible shaft is sequentially composed of a mounting section, a bending section, a fixing section and a threaded section, wherein the mounting end is used for connecting a driving motor, the bending section is used for longitudinal abdication, the fixing end is used for mounting a fixing structure, and the threaded section is used for mounting a mounting structure.

In some embodiments, the mounting section is a polygonal prism structure.

In some embodiments, the threaded section and the fixed end are made of a hard material, and the mounting end and the curved section are made of a flexible material.

In some embodiments, the mounting structure is internally provided with an internal thread that mates with the threads of the threaded section.

In some embodiments, a limit bearing is disposed on the mounting structure, the limit bearing being configured to limit axial displacement of the mounting structure along the flexible shaft.

In some embodiments, the number of the limit bearings is two, and the two limit bearings are respectively arranged at two ends of the mounting structure.

In some embodiments, the fixing structure is provided with a fixing block for fixing the external part.

In some embodiments, a dust-proof sleeve is fixedly arranged on the inner ring of each limit bearing.

The utility model has the following advantages:

The external driving motor drives the flexible shaft to rotate, and the fixed structure is in transmission connection with the flexible shaft, so that the function of limiting vertical displacement without limiting circumferential displacement is realized, the flexible shaft drives the mounting mechanism to start to displace along the axial direction of the flexible shaft, and the steering wheel related structure is mounted on the flexible shaft, so that a larger space is formed in the vehicle in the automatic driving process.

Drawings

FIG. 1 shows a schematic structural view of a flexible shaft assembly in one embodiment of the application;

Figure 2 shows a schematic cross-sectional view of a flexible shaft assembly in one embodiment of the application.

Reference numerals illustrate: 1. a flexible shaft; 2. a fixed structure; 3. a mounting structure; 4. a mounting block; 5. a limit clamping block; 6. a mounting section; 7. a curved section; 8. a fixed section; 9. a threaded section; 10. and a limit bearing.

Detailed Description

In order to make the present application more clearly understood by those skilled in the art, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

As shown in fig. 1, according to an embodiment of the first aspect of the present application, there is provided a flexible shaft 1 assembly, which includes a flexible shaft 1, one end of the flexible shaft 1 is provided with threads, and the other end of the flexible shaft 1 is connected with a driving motor; the fixed structure 2 is rotationally connected with the flexible shaft 1, and the fixed structure 2 is fixedly connected with an external structure; the mounting structure 3, the mounting structure 3 with flexible axle 1 spiro union, be provided with spacing fixture block 5 on the mounting structure 3, spacing fixture block 5 is used for the restriction the annular displacement of mounting structure, be provided with the installation piece 4 on the mounting structure 3, the installation piece 4 is used for installing the steering wheel. Through the structure, the external driving motor drives the flexible shaft 1 to rotate, and the fixed structure 2 is in transmission connection with the flexible shaft 1, so that the function of limiting vertical displacement and not limiting circumferential displacement is realized, the flexible shaft 1 drives the mounting mechanism to start to displace along the axial direction of the flexible shaft 1, and a steering wheel related structure is mounted on the flexible shaft 1, so that a larger space is formed in a vehicle in an automatic driving process.

As shown in fig. 1 and 2, in some embodiments, the mounting block 4 and the limit block 5 are respectively located at two sides of the mounting structure 3, and by using the above structure, a sufficient space can be reserved for mounting the steering wheel.

As shown in fig. 1 and 2, in some embodiments, the threaded section 9 and the fixed end are made of hard materials, the mounting end and the curved section 7 are made of flexible materials, the lifting height of the steering wheel and the stability in the use process can be accurately mastered by the hard materials in the use process, and the mounting section 6 and the curved section 7 are made of flexible materials, so that the position of the driving motor in the use process can not be changed along with the axial displacement generated in the rotation process of the flexible shaft 1.

As shown in fig. 1 and 2, in some embodiments, an internal thread is provided inside the mounting structure 3, and the internal thread is matched with the thread of the thread section 9, and the annular displacement is converted into the axial displacement through the threaded connection, so that the lifting function is realized.

As shown in fig. 1 and fig. 2, in some embodiments, the mounting structure 3 is provided with a limit bearing 10, the limit bearing 10 is used for limiting the axial displacement of the mounting structure 3 along the flexible shaft 1, the limit bearing 10 is a conventional bearing, and an implementer can select different levels of limit bearings 10 according to the required precision.

As shown in fig. 1 and 2, in some embodiments, the inner ring of the limit bearing 10 is fixedly connected with the mounting portion, the outer ring of the limit bearing 10 is fixedly connected with the mounting structure 3, and the limitation of the mounting structure 3 along the axial displacement of the flexible shaft 1 can be achieved by the above mounting manner

As shown in fig. 1 and 2, in some embodiments, two limit bearings 10 are provided, and two limit bearings 10 are respectively disposed at two ends of the mounting structure 3.

As shown in fig. 1 and 2, in some embodiments, a dust-proof sleeve is fixedly disposed on the inner ring of each of the limit bearings 10, so as to prevent dust from entering the limit bearings 10.

In the present application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" indicate orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplify 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 therefore should not be construed as limiting the present application.

In the present application, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more features. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the application, the scope of which is defined by the claims and their equivalents.

Claims

1. A flexible shaft assembly, comprising:

The device comprises a flexible shaft (1), wherein one end of the flexible shaft (1) is provided with threads, and the other end of the flexible shaft (1) is connected with a driving motor;

The fixing structure (2), the fixing structure (2) is rotationally connected with the flexible shaft (1), and the fixing structure (2) is fixedly connected with an external structure;

The mounting structure (3), mounting structure (3) with flexible axle (1) spiro union, be provided with spacing fixture block (5) on mounting structure (3), spacing fixture block (5) are used for the restriction mounting structure (3) circumferential displacement, be provided with installation piece (4) on mounting structure (3), installation piece (4) are used for installing the steering wheel.

2. Flexible shaft assembly according to claim 1, characterized in that the mounting blocks (4) and the limit blocks (5) are located on both sides of the mounting structure (3) respectively.

3. The flexible shaft assembly according to claim 1, characterized in that the flexible shaft (1) is sequentially composed of a mounting section (6), a bending section (7), a fixing section (8) and a threaded section (9), wherein the mounting section (6) is used for connecting a driving motor, the bending section (7) is used for longitudinal yielding, the fixing section (8) is used for mounting the fixing structure (2), and the threaded section (9) is used for mounting the mounting structure (3).

4. A flexible shaft assembly according to claim 3, characterized in that the mounting section (6) is a polygonal prism structure.

5. A flexible shaft assembly according to claim 3, characterized in that the threaded section (9) and the fixed section (8) are made of a hard material, and the mounting section (6) and the curved section (7) are made of a flexible material.

6. A flexible shaft assembly according to claim 3, characterized in that the mounting structure (3) is internally provided with an internal thread which is adapted to the thread of the thread segments (9).

7. Flexible shaft assembly according to claim 1, characterized in that the mounting structure (3) is provided with a limit bearing (10), the limit bearing (10) being used for limiting the axial displacement of the mounting structure (3) along the flexible shaft (1).

8. The flexible shaft assembly according to claim 7, wherein an inner ring of the limit bearing (10) is fixedly connected with the mounting structure (3), and an outer ring of the limit bearing (10) is fixedly connected with the mounting structure (3).

9. Flexible shaft assembly according to claim 7, characterized in that the number of limit bearings (10) is two, two limit bearings (10) being arranged at the two ends of the mounting structure (3), respectively.

10. Flexible shaft assembly according to claim 7, characterized in that a dust sleeve is fixedly arranged on the inner ring of each limit bearing (10).