CN210011789U

CN210011789U - Automobile steering column structure

Info

Publication number: CN210011789U
Application number: CN201920600667.3U
Authority: CN
Inventors: 彭李奎; 商榷; 李国强; 刘智斌
Original assignee: Zhejiang Geely Holding Group Co Ltd; Zhejiang Geely Automobile Research Institute Co Ltd
Current assignee: Zhejiang Geely Holding Group Co Ltd; Zhejiang Geely Automobile Research Institute Co Ltd
Priority date: 2019-04-28
Filing date: 2019-04-28
Publication date: 2020-02-04
Anticipated expiration: 2029-04-28

Abstract

The utility model provides a car steering column structure belongs to automobile parts technical field. It has solved the poor problem of current car steering column commonality. The automobile steering column structure comprises an upper cover, a middle shell and a lower cover, wherein the upper cover is used for being connected with a column, the middle shell is used for mounting a worm wheel and a worm, the lower cover is used for being fixedly connected with an automobile body, the upper cover and the middle shell are fixedly connected through a plurality of first fixing structures, the lower cover and the middle shell are fixedly connected through a plurality of second fixing structures, and the first fixing structures and the second fixing structures are correspondingly arranged. This car steering column structure has the advantage that the commonality is good.

Description

Automobile steering column structure

Technical Field

The utility model belongs to the technical field of automobile parts, a car steering column structure is related to.

Background

The change of the driving direction of the automobile is realized by changing the deflection angle of the steering wheel by operating the steering system by a driver. The automobile steering system comprises a steering control mechanism, a steering gear and a steering transmission mechanism, wherein the steering control mechanism comprises a steering wheel, a steering shaft and the like, a worm at the lower end of the steering shaft and a gear form the steering gear, the steering wheel is connected with the steering gear through the steering shaft, a steering pipe column is sleeved on the steering shaft and supports the steering wheel, and the steering pipe column simultaneously positions the steering shaft.

For example, chinese patent literature discloses a steering column housing assembly for an automobile [ application number: 201420496907.7, respectively; authorization notice number: CN204095869U ], the steering column casing assembly comprises a sensor casing, a motor casing, a worm gear casing and a worm casing, wherein the worm gear casing is connected with the worm casing, the worm gear casing is detachably connected with the sensor casing through at least one first connecting piece, and the worm casing is detachably connected with the motor casing through at least one second connecting piece.

The steering column casing assembly of this kind of structure, still include the fixing base, fixing base and worm gear casing formula structure as an organic whole, offer the mounting hole that is used for linking firmly mutually with automobile body on the fixing base, fixing base mounted position is certain promptly, this position that just makes worm gear casing is certain, thereby make worm casing's position certain, finally make the mounted position of motor fixed, the mounted position of motor is set up in advance promptly, can't change, and the model of motor is different, the shape of motor, the size is also different, the installation space who occupies is different, the steering column casing assembly of this kind of structure, only can use the motor of specific model and install in the motorcycle type of specific model, the commonality is poor.

Disclosure of Invention

The utility model aims at the above-mentioned problem that exists among the prior art, provide a car steering column structure, the technical problem of solution is how to improve the commonality of steering column casing.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides an automobile steering column structure, is including being used for the upper cover that links to each other with the tubular column, its characterized in that, steering column structure still including the middle casing that is used for installing worm wheel and worm and be used for the lower cover that links firmly mutually with the automobile body, link firmly mutually through the first fixed knot of a plurality of between upper cover and the middle casing, link firmly mutually through a plurality of second fixed knot between lower cover and the middle casing, first fixed knot constructs and the corresponding setting of second fixed knot structure.

The steering column structure comprises an upper cover, a middle shell and a lower cover which are independent, wherein the mounting positions of the upper cover and the lower cover are fixed, a motor is fixedly connected with the middle shell, the middle shell can be rotated when the motor is mounted, the middle shell can rotate by different angles relative to the upper cover and the lower cover, and then the middle shell is fixedly connected with the upper cover and the lower cover, so that the mounting position of the motor can be adjusted, the motor can be positioned at different mounting positions, the arrangement of the motor is convenient, the steering column shell can be applied to different vehicle types, and the universality is strong; when motors of different models and sizes are used, only the middle shell needs to be replaced to be matched with the motors, the universality is improved, and meanwhile, the research and development cost can be reduced.

In the above-mentioned automobile steering column structure, a plurality of first fixed knot construct equidistant setting, a plurality of second fixed knot construct equidistant setting, first fixed knot construct and second fixed knot construct one-to-one setting. The first fixed knot constructs and the equidistant setting of second fixed knot structure to and first fixed knot constructs and the one-to-one setting of second fixed knot, rotate at every turn the angle of settlement can, it is convenient to adjust.

In the above-mentioned steering column structure for an automobile, the first fixing structure includes a first lug, a second lug and a fastener, the first lug is disposed on an edge of an inner side of the upper cover, the second lug is disposed on an edge of a side of the middle housing facing the upper cover, the first lug and the second lug are disposed in one-to-one correspondence, and the upper cover and the middle housing are fixedly connected by the fastener passing through the first lug and the second lug. The fastener can be a bolt, and the upper cover and the middle shell are fixedly connected through the fastener penetrating through the first lug and the second lug, so that the upper cover and the middle shell are conveniently fixedly connected; the first lug and the second lug can also be fixedly connected in a clamping manner, for example, a clamping head is arranged on the first lug, a clamping groove is arranged on the second lug, and the clamping head is embedded into the clamping groove to fixedly connect the first lug and the second lug.

In the above-mentioned steering column structure for an automobile, the second fixing structure includes a third lug, a fourth lug and a fastening member, the third lug is disposed on an edge of a side of the middle housing facing the lower cover, the fourth lug is disposed on an edge of an inner side of the lower cover, the third lug and the fourth lug are disposed in one-to-one correspondence, and the fastening member passes through the third lug and the fourth lug to fixedly connect the upper cover and the middle housing. The fastener can be a bolt, and the lower cover and the middle shell are fixedly connected through the fastener passing through the third lug and the fourth lug, so that the lower cover and the middle shell are conveniently fixedly connected; the third lug and the fourth lug can also be fixedly connected in a clamping manner, for example, a clamping head is arranged on the first lug, a clamping groove is arranged on the second lug, and the clamping head is embedded into the clamping groove to fixedly connect the first lug and the second lug.

In the above-mentioned steering column structure for an automobile, a protruding block is provided on the outer side wall of the lower cover, and the protruding block has a through fixing hole therein. The connecting piece fixedly connected with the automobile body can be fixedly connected with the lug through the pin shaft in the through hole in a penetrating mode, so that the lower cover can be fixedly connected with the automobile body, the lug is arranged in a protruding mode, the space is reasonably utilized, and the lower cover is conveniently and fixedly connected with the automobile body.

In the above-mentioned steering column structure for a vehicle, the bump is provided with an inclined plane which is obliquely arranged, the inclined plane is fixedly connected with a plurality of supporting columns, and the end faces of the supporting columns are planes. The length of the support column is reasonable due to the inclined plane, the space is reasonably utilized, the support column is used for supporting and abutting against the connecting piece, the end face of the support column is a plane, the support column can be better used for supporting the connecting piece connected with the automobile body, and the stability of the connecting piece is improved.

In the above-mentioned automobile steering column structure, the middle shell includes a worm gear shell and a worm shell, and the worm gear shell and the worm shell are of an integrated structure.

Compared with the prior art, the utility model provides a steering column structure has following advantage:

1. the position of the middle shell of the steering column structure is variable, namely the position of the motor fixed on the middle shell is variable, so that the motor can be positioned at different installation positions, the arrangement of the motor is convenient, the steering column shell can be applied to different vehicle types, and the universality is high.

2. When the steering column structure is used for motors of different models and sizes, only the middle shell needs to be replaced, the universality is improved, the period of re-research and development is shortened, and the research and development cost is reduced.

Drawings

Fig. 1 is a schematic view showing the overall structure of the steering column for an automobile.

FIG. 2 is a schematic view showing the overall structure of the steering column structure of the present automobile.

In the figure, 1, a pipe column; 2. an upper cover; 3. a middle housing; 31. a worm gear housing; 32. a worm housing; 4. a lower cover; 5. a first lug; 6. a second lug; 7. a third lug; 8. a fourth lug; 9. a bump; 91. a fixing hole; 92. a bevel; 93. and (4) a support column.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 and 2, the steering column structure for an automobile includes an upper cover 2, an intermediate housing 3, and a lower cover 4.

The upper cover 2 is used for connecting with the tubular column 1, the middle shell 3 comprises a worm gear shell 31 and a worm shell 32, the worm gear shell 31 and the worm shell 32 are of an integrated structure, the worm shell 32 is fixedly connected with a motor, a convex block 9 which is convexly arranged on the outer side wall of the lower cover 4 is provided, a through fixing hole 91 is formed in the convex block 9, an inclined plane 92 which is obliquely arranged is arranged on the convex block 9, in the embodiment, two support columns 93 are fixedly connected on the inclined plane 92, in the actual production, the number of the support columns 93 can be three or four, and the end faces of the support columns 93 are planes.

First fixed knot constructs and the one-to-one setting of second fixed knot, and in this embodiment, equidistant three first fixed knot constructs that is provided with between upper cover 2 and the middle casing 3, equidistant three second fixed knot constructs that is provided with between lower cover 4 and the middle casing 3, and the angle that can rotate at every turn when motor installation promptly is 120, in actual production, the quantity of first fixed knot structure and second fixed knot construct can be four or six, and the motor can rotate 90 or 60 at every turn promptly. The number of the first fixing structures is different from that of the second fixing structures, so that the rotating angles of the motor during installation are different, the number is more, and the selectable range of the position of the motor is wider.

The first fixing structure comprises a first lug 5, a second lug 6 and a fastener, wherein the first lug 5 is arranged on the edge of the inner side of the upper cover 2, the second lug 6 is arranged on the edge of one side, facing the upper cover 2, of the middle shell 3, the first lug 5 and the second lug 6 are arranged in a one-to-one correspondence mode, and the upper cover 2 and the middle shell 3 are fixedly connected through the fastener penetrating through the first lug 5 and the second lug 6. The second fixing structure comprises a third lug 7, a fourth lug 8 and a fastener, the third lug 7 is arranged on the edge of one side of the middle shell 3 facing the lower cover 4, the fourth lug 8 is arranged on the edge of the inner side of the lower cover 4, the third lug 7 and the fourth lug 8 are arranged in a one-to-one correspondence mode, and the upper cover 2 and the middle shell 3 are fixedly connected through the fastener penetrating through the third lug 7 and the fourth lug 8. In this embodiment, the fastening member is a bolt and nut fit and the fastening member directly passes through the corresponding first lug 5, second lug 6, third lug 7 and second lug 6, and in actual production, the fastening member may be a bolt and nut fit and the fastening member passes through the corresponding first lug 5 and second lug 6, and the third lug 7 and fourth lug 8 are fixedly connected by another fastening member.

During installation, the relative angle positions of the middle shell 3, the upper cover 2 and the lower cover 4 are adjusted according to actual requirements, so that the upper cover 2, the middle shell 3 and the lower cover 4 are fixedly connected, and then the assembled steering column is installed on the automobile body.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the pipe string 1, the upper cover 2, the middle housing 3, the worm gear housing 31, the worm housing 32, the lower cover 4, the first lug 5, the second lug 6, the third lug 7, the fourth lug 8, the projection 9, the fixing hole 91, the slope 92, the support pillar 93, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides an automobile steering column structure, is including being used for upper cover (2) continuous with tubular column (1), its characterized in that, steering column structure still including be used for installing middle casing (3) of worm wheel and worm and be used for lower cover (4) that link firmly mutually with the automobile body, link firmly mutually through the first fixed knot of a plurality of between upper cover (2) and middle casing (3), link firmly mutually through a plurality of second fixed knot structure between lower cover (4) and middle casing (3), first fixed knot constructs and the corresponding setting of second fixed knot structure.

2. The steering column structure of claim 1, wherein the first fixing structures are arranged at equal intervals, the second fixing structures are arranged at equal intervals, and the first fixing structures and the second fixing structures are arranged in a one-to-one correspondence.

3. The steering column structure according to claim 1 or 2, wherein the first fixing structure comprises a first lug (5), a second lug (6) and a fastener, the first lug (5) is arranged on the edge of the inner side of the upper cover (2), the second lug (6) is arranged on the edge of the side of the middle shell (3) facing the upper cover (2), the first lug (5) and the second lug (6) are arranged in a one-to-one correspondence, and the upper cover (2) and the middle shell (3) are fixedly connected by the fastener penetrating through the first lug (5) and the second lug (6).

4. The steering column structure of an automobile according to claim 1 or 2, wherein the second fixing structure comprises a third lug (7), a fourth lug (8) and a fastener, the third lug (7) is arranged on the edge of one side of the middle shell (3) facing the lower cover (4), the fourth lug (8) is arranged on the edge of the inner side of the lower cover (4), the third lug (7) and the fourth lug (8) are arranged in a one-to-one correspondence manner, and the upper cover (2) and the middle shell (3) are fixedly connected through the fastener passing through the third lug (7) and the fourth lug (8).

5. The steering column structure according to claim 1 or 2, wherein the lower cover (4) has a projection (9) provided on an outer side wall thereof, and the projection (9) has a fixing hole (91) formed therethrough.

6. The steering column structure of claim 5, wherein the bump (9) is provided with an inclined surface (92) which is arranged obliquely, the inclined surface (92) is fixedly connected with a plurality of supporting columns (93), and the end surfaces of the supporting columns (93) are flat surfaces.

7. The steering column structure according to claim 1 or 2, wherein the intermediate housing (3) comprises a worm wheel housing (31) and a worm housing (32), the worm wheel housing (31) and the worm housing (32) being of a one-piece construction.