CN216232533U

CN216232533U - Steering column adjusts locking structure

Info

Publication number: CN216232533U
Application number: CN202122786843.7U
Authority: CN
Inventors: 张吉全; 夏渝峰; 杨怡; 陈厚敏; 周林
Original assignee: Chongqing Houzhi Machinery Manufacturing Co ltd
Current assignee: Chongqing Houzhi Machinery Manufacturing Co ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-04-08
Anticipated expiration: 2031-11-15

Abstract

The utility model discloses a steering column adjusting and locking structure which comprises a mounting frame, a steering column and a screw rod, wherein a mounting plate is mounted at the bottom end of the mounting frame, a fixed seat is mounted on the inner side of the mounting plate, the steering column is mounted inside the fixed seat, the screw rod is mounted on the outer sides of a group of mounting plates in a penetrating mode through the inner sides of mounting holes, an adjusting cam is mounted on the outer sides of the screw rods, and an elastic part is mounted on the outer sides of the screw rods. According to the utility model, the adjusting cam and the elastic part are arranged on the outer side of the screw rod, so that the fixed cam can be ensured to be subjected to axial pressing forces on two sides, collision with parts of a steering column due to looseness is avoided, the service life is prolonged, the fastening groove enables the steering column to run more uniformly and smoothly when a driver locks the steering column, the spring block reduces noise in the moving process, the locking mechanism is more convenient to install and detach, later-stage maintenance and repair are facilitated, and the use requirements are met.

Description

Steering column adjusts locking structure

Technical Field

The utility model relates to the technical field of motor vehicle accessories, in particular to a steering column adjusting and locking structure.

Background

With the continuous development of the industry in China and the continuous improvement of the vehicle quality, the quality requirements of people on parts are higher and higher, a steering column is a structure for connecting a handle and a steering gear in a vehicle steering system, torque is transmitted to the steering gear by a driver of the steering column to drive the steering gear to steer, the steering column is one of key parts for ensuring the normal running of a vehicle, the adjusting function of the steering column is used as the function of direct contact and use of a user, and the convenience of adjustment and the safety after locking are particularly important.

The steering column adjusts the defect that locking structure exists among the prior art:

1. the utility model discloses a handle adjusting mechanism of an automobile steering column and belongs to the technical field of machinery. It has solved current handle adjustment mechanism and can produce abnormal sound and noise problem when the handle is loosened. The handle adjusting mechanism of the automobile steering column comprises an adjusting bolt, an adjusting handle, an adjusting cam block, a fixed cam block, an axial bearing and a locking nut, wherein the adjusting bolt sequentially penetrates through the adjusting handle, the adjusting cam block, the fixed cam block, a U-shaped support and the steering column, the axial bearing is connected and locked with the locking nut, a one-way damping bearing is further arranged between the axial bearing and the U-shaped support, the outer ring of the one-way damping bearing is fixed on the U-shaped support through a fixing block, and the adjusting bolt is fixed with the inner ring of the one-way damping bearing. The handle adjusting mechanism increases the damping force of the downward movement of the loosened adjusting handle, eliminates the impact sound of the adjusting cam block and the fixed cam block in the rotating process and the impact sound generated by the rebounding of the adjusting handle, and reduces the abnormal sound and the noise. "in the prior art when loosening the adjustment handle because the axial restraint power between two cam pieces reduces, can make the cam piece bump with the part on the steering column, cause the damage easily, shortened life.

2. When carrying out the unblock to steering column among the prior art, make two cams rotate relatively through the handle, and then remove the extrusion to the installing support and make steering column adjust, nevertheless can not effectively ensure the support to the extrusion intensity of steering column during locking state, the practicality is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a steering column adjusting and locking structure to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a steering column adjusting and locking structure comprises a mounting frame, a steering column and a screw rod, wherein a mounting plate is mounted at the bottom end of the mounting frame, mounting holes are formed in the outer side of the mounting plate in a penetrating mode, a fixed seat is mounted on the inner side of the mounting plate, and the steering column is mounted inside the fixed seat;

the outer sides of the group of mounting plates penetrate through the inner sides of the mounting holes and are provided with screw rods;

the adjusting cam is installed on the outer side of the screw rod, the elastic piece is installed on the outer side of the screw rod, and the elastic piece is located on the inner side of the adjusting cam.

Preferably, the front surface of the mounting frame is provided with a through hole in a penetrating manner.

Preferably, a steering shaft is mounted inside the steering column.

Preferably, the outer side of the fixed seat is provided with a positioning hole in a penetrating manner, and the output end of the screw rod penetrates through the inner side of the positioning hole to the outer side of the other group of mounting plates.

Preferably, the regulating handle is installed in the outside of screw rod, and the outside of regulating handle is run through and has been seted up fastening groove, and the regulating handle one end is kept away from in the outside of screw rod and the gasket is installed, and the spring block is installed in the outside of screw rod, and the spring block is located the outside of gasket, and lock nut is installed through the screw thread in the outside of screw rod, and lock nut is located the outside of spring block.

Preferably, the inner wall of the adjusting cam is provided with a convex block, the outer side of the adjusting cam is provided with a fastening block, the fastening block is connected with the fastening groove in an embedded mode, the outer side of the screw rod is provided with a fixed cam, the fixed cam is located on the inner side of the adjusting cam, and the inner wall of the fixed cam is provided with a buffer cavity.

Preferably, the outer wall of the elastic part is provided with a convex ring, and the outer wall of the elastic part is provided with a limiting block.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the adjusting cam and the elastic part are arranged on the outer side of the screw rod, so that the fixed cam can be ensured to bear axial pressing forces on two sides, the locking force is improved, the collision between the fixed cam and parts of a steering column caused by looseness is avoided, the service life is prolonged, the steering column runs more uniformly and is adjusted more smoothly when a driver locks the steering column through the fastening groove, the noise in the moving process is reduced by the spring block, the installation and disassembly processes between the locking mechanisms are more convenient, the later-stage maintenance is facilitated, and the use requirements are met.

2. According to the utility model, the mounting plate is mounted at the bottom end of the mounting frame, the fixing seat is mounted on the inner side of the mounting plate, the locking retaining force in a locking state is enhanced by the attachment of the mounting plate and the fixing seat, the locking effect of the locking structure on the steering column is improved, the clamping force of the locking structure greatly improves the mode of the steering column, the vertical and transverse natural frequencies can meet the required requirements, and the practicability is enhanced.

Drawings

FIG. 1 is a schematic view of a split-up perspective structure according to the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a perspective view of the fixing base of the present invention;

fig. 4 is a schematic perspective view of the elastic member of the present invention.

In the figure: 1. a mounting frame; 101. a through hole; 102. mounting a plate; 103. mounting holes; 2. a steering column; 201. a steering shaft; 3. a fixed seat; 301. positioning holes; 4. a screw; 401. an adjusting handle; 402. a fastening groove; 403. a gasket; 404. a spring block; 405. locking the nut; 5. an adjustment cam; 501. a bump; 502. a fastening block; 503. a fixed cam; 504. a buffer chamber; 6. an elastic member; 601. a convex ring; 602. and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be a fixed connection or a movable connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 and fig. 2, an embodiment of the present invention: a steering column adjusting and locking structure;

in the first embodiment, the mounting frame 1 is comprised, through-hole 101 and steering column 2, through-hole 101 has been seted up in the front of mounting bracket 1 through, mounting panel 102 is installed to mounting bracket 1's bottom, mounting hole 103 has been seted up in the outside of mounting panel 102 through, fixing base 3 is installed to mounting panel 102's inboard, the internally mounted of fixing base 3 has steering column 2, the internally mounted of steering column 2 has steering spindle 201, through-hole 101 makes the connection between locking mechanism and the steering column 2 more firm, mounting hole 103 provides the mounted position for screw rod 4, mounting panel 102 has strengthened the locking holding power under the locking state with the laminating of fixing base 3, the locking effect of locking structure to steering column 2 has been improved, the driver transmits the moment that will act on steering device for the steering gear through steering spindle 201, steering spindle 201 itself not only has certain rigidity, still has the energy-absorbing effect, play the guard action.

Referring to fig. 1, 2 and 3, a steering column adjusting and locking structure;

in the second embodiment, the steering column comprises a fixed seat 3, a screw rod 4 and an adjusting handle 401, a positioning hole 301 is formed in the outer side of the fixed seat 3 in a penetrating manner, the output end of the screw rod 4 penetrates through the inner side of the positioning hole 301 to the outer side of the other set of mounting plate 102, the screw rod 4 is installed in the outer side of the set of mounting plate 102 in a penetrating manner, the adjusting handle 401 is installed on the outer side of the screw rod 4, the positioning hole 301 provides an installation position for the screw rod 4, the locking mechanism is installed and connected through the screw rod 4, when the steering column 2 is unlocked, the adjusting handle 401 drives the screw rod 4 to rotate so that the adjusting cam 5 and the fixed cam 503 rotate relatively, the axial distance between the adjusting cam 5 and the fixed cam 503 is reduced, further, the extrusion on the mounting frame 1 is relieved, so that the steering column 2 can be adjusted, the steering column is more convenient to use under the condition that the locking effect is ensured, a fastening groove 402 is formed in the outer side of the adjusting handle 401 in a penetrating manner, a spacer 403 is installed at one end, far away from the outer side of the adjusting handle 401, of the screw rod 4, spring block 404 is installed in screw rod 4's the outside, and spring block 404 is located the outside of gasket 403, lock nut 405 is installed through the screw thread in screw rod 4's the outside, and lock nut 405 is located spring block 404's the outside, fastening slot 402 makes steering column 2 functioning speed more even when the driver locks, adjust more smoothly, gasket 403 has the effect of buffering when improving the locking effect, spring block 404 has reduced the noise at the removal in-process, installation and the dismantlement process between the locking mechanical system are more convenient, the maintenance and the maintenance in the later stage of being convenient for, satisfy the user demand.

Referring to fig. 1, 2 and 4, a steering column adjusting and locking structure;

in the third embodiment, the steering column locking device comprises a screw rod 4, an adjusting cam 5 and an elastic member 6, the adjusting cam 5 is installed on the outer side of the screw rod 4, a convex block 501 is installed on the inner wall of the adjusting cam 5, a fastening block 502 is installed on the outer side of the adjusting cam 5, the fastening block 502 is connected with a fastening groove 402 in a fitting manner, a fixed cam 503 is installed on the outer side of the screw rod 4, the fixed cam 503 is located on the inner side of the adjusting cam 5, the screw rod 4 provides an installation position for the adjusting cam 5 and the fixed cam 503, the fastening block 502 is connected with the fastening groove 402 in a fitting manner to enable an adjusting handle 401 to be connected with the adjusting cam 5 in a fastening manner, the convex block 501 and the fixed cam 503 are matched to work, the adjusting handle 401 drives the screw rod 4 to rotate to enable the adjusting cam 5 and the fixed cam 503 to rotate relatively, the axial distance between the adjusting cam 5 and the fixed cam 503 is reduced, further extrusion on the mounting frame 1 is relieved to enable the steering column 2 to be adjusted, and unlocking of the steering column 2 is realized, the inner wall of the fixed cam 503 is provided with the buffer cavity 504, the outer side of the screw rod 4 is provided with the elastic part 6, the elastic part 6 is located on the inner side of the adjusting cam 5, the outer wall of the elastic part 6 is provided with the convex ring 601, the outer wall of the elastic part 6 is provided with the limiting block 602, the buffer cavity 504 is connected with the convex ring 601 in an embedded mode, the elastic part 6 can ensure that the fixed cam 503 is subjected to axial pressing force on two sides, the locking force is improved, collision between parts of the steering column 2 due to looseness is avoided, the service life is prolonged, the parts on the screw rod 4 are matched with the limiting block 602 to limit the screw rod 4 in multiple directions, collision between the screw rod 4 and the parts on the steering column 2 when the screw rod 4 rotates is effectively avoided, and the safety performance is improved.

The working principle is as follows: when the device is used, the steering column 2 is firstly installed through the installation frame 1 and the through hole 101, the adjusting handle 401, the adjusting cam 5, the fixed cam 503 and the elastic piece 6 are sequentially installed on the screw rod 4, the fastening block 502 is connected with the fastening groove 402 in an embedding way to enable the adjusting handle 401 to be fixedly connected with the adjusting cam 5, the buffer cavity 504 is connected with the convex ring 601 in an embedding way, the output end of the screw rod 4 penetrates through one group of installation plates 102 to the outer side of the other group of installation plates 102, the gasket 403, the spring block 404 and the locking nut 405 are sequentially installed, when the steering column 2 is unlocked, the lug 501 and the fixed cam 503 are matched to work, the screw rod 4 is driven by the adjusting handle 401 to rotate to enable the adjusting cam 5 and the fixed cam 503 to relatively rotate, the axial distance between the adjusting cam 5 and the fixed cam 503 is reduced, further, the extrusion on the installation frame 1 is relieved to enable the steering column 2 to be adjusted, the unlocking on the steering column 2 is realized, components on the screw rod 4 are matched with the limiting block 602 to carry out multidirectional limiting on the screw rod 4, spring block 404 has reduced the noise at the removal in-process, and this steering column locking structure locking effect is better, and it is more convenient to install and dismantle, has improved the security performance, has strengthened the practicality.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a locking structure is adjusted to steering column, includes mounting bracket (1), steering column (2) and screw rod (4), its characterized in that: the bottom end of the mounting frame (1) is provided with a mounting plate (102), the outer side of the mounting plate (102) is provided with a mounting hole (103) in a penetrating manner, the inner side of the mounting plate (102) is provided with a fixed seat (3), and a steering column (2) is arranged in the fixed seat (3);

the outer side of the group of mounting plates (102) penetrates through the inner side of the mounting hole (103) and is provided with a screw (4);

the adjusting cam (5) is installed on the outer side of the screw rod (4), the elastic piece (6) is installed on the outer side of the screw rod (4), and the elastic piece (6) is located on the inner side of the adjusting cam (5).

2. The steering column adjustment locking structure according to claim 1, characterized in that: the front surface of the mounting rack (1) is provided with a through hole (101) in a penetrating way.

3. The steering column adjustment locking structure according to claim 1, characterized in that: a steering shaft (201) is arranged in the steering column (2).

4. The steering column adjustment locking structure according to claim 1, characterized in that: the outer side of the fixed seat (3) penetrates through a positioning hole (301), and the output end of the screw rod (4) penetrates through the inner side of the positioning hole (301) to the outer side of the other group of mounting plates (102).

5. The steering column adjustment locking structure according to claim 1, characterized in that: adjusting handle (401) is installed in the outside of screw rod (4), and fastening groove (402) have been run through to the outside of adjusting handle (401), and adjusting handle (401) one end is kept away from in the outside of screw rod (4) and gasket (403) are installed, and spring block (404) are installed in the outside of screw rod (4), and spring block (404) are located the outside of gasket (403), and lock nut (405) are installed through the screw thread in the outside of screw rod (4), and lock nut (405) are located the outside of spring block (404).

6. The steering column adjustment locking structure according to claim 1, characterized in that: the inner wall of the adjusting cam (5) is provided with a convex block (501), the outer side of the adjusting cam (5) is provided with a fastening block (502), the fastening block (502) is connected with a fastening groove (402) in an embedded mode, the outer side of the screw (4) is provided with a fixed cam (503), the fixed cam (503) is located on the inner side of the adjusting cam (5), and the inner wall of the fixed cam (503) is provided with a buffer cavity (504).

7. The steering column adjustment locking structure according to claim 1, characterized in that: the outer wall of the elastic piece (6) is provided with a convex ring (601), and the outer wall of the elastic piece (6) is provided with a limiting block (602).