CN214138676U

CN214138676U - Automobile lower pipe column assembly

Info

Publication number: CN214138676U
Application number: CN202023256700.7U
Authority: CN
Inventors: 朱伟强
Original assignee: Pinghu Jichen Hardware Co ltd
Current assignee: Pinghu Jichen Hardware Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-09-07
Anticipated expiration: 2030-12-29

Abstract

The utility model provides a car low tube column subassembly belongs to car technical field. This car lower tubular column subassembly, including the lower tubular column, the inside of lower tubular column is provided with ZGMn13 layer, and the internal surface on ZGMn13 layer is provided with 45CrNiMoVA layer, and the internal surface on 45CrNiMoVA layer is provided with the filling layer, and the inside of filling layer is provided with the spring, and the surface of lower tubular column is provided with first mounting groove and second mounting groove respectively. When an automobile collides, under the action of a first reinforcing rib and a second reinforcing rib which are arranged in a first mounting groove and a second mounting groove, the clearance of the pipe column assembly is reinforced, and the pipe column assembly is more stable because the first reinforcing rib and the second reinforcing rib are in a vertical state; simultaneously, inside spring carries out the shock attenuation, and the effectual car that alleviates bumps to driver's harm, and the effectual solution tubular column subassembly is when the car bumps, and the durability of subassembly is not strong enough for tubular column life's short problem.

Description

Automobile lower pipe column assembly

Technical Field

The utility model belongs to the technical field of the car, a tubular column subassembly is related to, especially a car low tube column subassembly.

Background

The steering column is an important part of a steering system, the basic function is to realize the transmission of steering torque, along with the development of the technology, consumers put forward higher requirements on the comfort of vehicles, and in order to ensure that a steering wheel is always in the best position of man-machine communication, the steering column is required on the whole vehicle to realize the functions of angle adjustment and axial telescopic adjustment so as to meet the ergonomic requirements of different drivers.

When current tubular column subassembly was used for a long time, wearing and tearing are serious, and intensity is low for the tubular column is easy fracture, and secondly, current tubular column subassembly is when the car takes place vibrations or collision, and the durability of subassembly is not strong enough, makes tubular column life short.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, and provides an automobile lower tubular column assembly, which aims to solve the problems that the existing tubular column assembly is seriously worn and has low strength when being used for a long time, so that a tubular column is easy to break; secondly, when the existing pipe column assembly shakes or collides with the automobile, the durability of the assembly is not strong enough, so that the service life of the pipe column is short.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides an automobile lower tubular column assembly, includes the lower tubular column, the inside of lower tubular column is provided with ZGMn13 layer, the internal surface on ZGMn13 layer is provided with 45CrNiMoVA layer, the internal surface on 45CrNiMoVA layer is provided with the filling layer, the inside of filling layer is provided with the spring, the surface of lower tubular column is provided with first mounting groove and second mounting groove respectively, the inside of first mounting groove is fixed with first strengthening rib, the inside of second mounting groove is fixed with the second strengthening rib.

Preferably, the first mounting groove and the second mounting groove are circumferentially arranged on the outer surface of the lower pipe column.

Preferably, the springs are provided with a plurality of groups, and the plurality of groups of springs are equidistantly arranged from left to right.

Preferably, the first mounting groove and the second mounting groove are vertical.

Preferably, the ZGMn13 layer is made of high manganese steel material.

Compared with the prior art, the utility model has the advantages of it is following:

1. the utility model discloses a be provided with ZGMn13 layer, 45CrNiMoVA layer and spring, when the lower tubular column is used for a long time, need remove the regulation to the lower tubular column, when removing, remove through ZGMn13 layer, under the effect on ZGMn13 layer, the life of effectual increase tubular column, secondly increase the inside intensity of tubular column through 45CrNiMoVA layer, make the tubular column when using, can not make the inside easy fracture, when the effectual solution tubular column subassembly is used for a long time, wearing and tearing are serious, low strength, make the easy cracked problem of tubular column, the structure excellent in use effect;

2. the utility model discloses a be provided with first mounting groove, the second mounting groove, first strengthening rib and second strengthening rib, when the car takes place to jolt or bump, through installing under the effect of first strengthening rib and the second strengthening rib of first mounting groove and second mounting groove inside, strengthen to the tubular column subassembly clearance, because first strengthening rib and second strengthening rib are the vertical state, and then make the tubular column subassembly more firm, and simultaneously, the inside spring carries out the shock attenuation, effectual car bumps the harm to driver, effectual solution tubular column subassembly when the car takes place vibrations or collision, the durability of subassembly is not strong enough, make the short problem of tubular column life, this structure performance is good.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic front view of the first reinforcing rib and the second reinforcing rib of the present invention;

FIG. 3 is a schematic cross-sectional view of a middle and lower tubular column according to the present invention;

fig. 4 is a schematic structural diagram of the first mounting groove and the second mounting groove of the present invention.

In the figure: 1. running a pipe column; 2. a ZGMn13 layer; 3. a 45CrNiMoVA layer; 4. a filling layer; 5. a spring; 6. a first mounting groove; 7. a second mounting groove; 8. a first reinforcing rib; 9. and a second reinforcing rib.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. 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. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention according to its overall structure.

As shown in fig. 1-4, an automobile lower pipe column assembly comprises a lower pipe column 1, ZGMn13 layers 2, 45CrNiMoVA layers 3, a filling layer 4, a spring 5, a first mounting groove 6, a second mounting groove 7, a first reinforcing rib 8 and a second reinforcing rib 9, wherein ZGMn13 layers 2 are arranged inside the lower pipe column 1, 45CrNiMoVA layers 3 are arranged on the inner surface of the ZGMn13 layers 2, the filling layer 4 is arranged on the inner surface of the 45CrNiMoVA layers 3, the spring 5 is arranged inside the filling layer 4, a first mounting groove 6 and a second mounting groove 7 are respectively arranged on the outer surface of the lower pipe column 1, the first reinforcing rib 8 is fixed inside the first mounting groove 6, and the second reinforcing rib 9 is fixed inside the second mounting groove 7.

Please refer to fig. 1-4, the first mounting groove 6 and the second mounting groove 7 are disposed around the outer surface of the lower tubular column 1 for overall protection of the lower tubular column 1, and the plurality of sets of springs 5 are disposed at equal intervals from left to right for increasing the stability of the interior of the tubular column.

Please refer to fig. 4, the first mounting groove 6 and the second mounting groove 7 are vertical to enhance the strength of the lower column, and the ZGMn13 layer is made of high manganese steel, so that the wear-resistant effect is good and the service life is long.

The working principle is as follows: when the lower pipe column 1 is used for a long time, the lower pipe column 1 needs to be moved and adjusted, when the lower pipe column 1 moves, the ZGMn13 layer 2 moves, under the action of the ZGMn13 layer 2, the service life of the lower pipe column 1 is effectively prolonged, the strength inside the pipe column is increased through the 45CrNiMoVA layer 3, when the pipe column is used, the inside of the pipe column cannot be easily broken, when an automobile bumps or collides, the pipe column assembly is reinforced under the action of the first reinforcing ribs 8 and the second reinforcing ribs 9 installed inside the first installation groove 6 and the second installation groove 7, and the first reinforcing ribs 8 and the second reinforcing ribs 9 are vertical, so that the pipe column assembly is more stable, meanwhile, the springs 5 inside the pipe column are damped, and the damage of the automobile to a driver caused by collision is effectively relieved.

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 lower string 1, ZGMn13 layers 2, 45CrNiMoVA layers 3, packing layers 4, springs 5, first mounting slots 6, second mounting slots 7, first reinforcing ribs 8 and second reinforcing ribs 9 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. An automobile lower tubular column assembly comprises a lower tubular column (1) and is characterized in that: the inside of lower tubular column (1) is provided with ZGMn13 layer (2), the internal surface of ZGMn13 layer (2) is provided with 45CrNiMoVA layer (3), the internal surface of 45CrNiMoVA layer (3) is provided with filling layer (4), the inside of filling layer (4) is provided with spring (5), the surface of lower tubular column (1) is provided with first mounting groove (6) and second mounting groove (7) respectively, the inside of first mounting groove (6) is fixed with first strengthening rib (8), the inside of second mounting groove (7) is fixed with second strengthening rib (9).

2. The lower tube column assembly according to claim 1, wherein the first mounting groove (6) and the second mounting groove (7) are circumferentially provided on the outer surface of the lower tube column (1).

3. The lower tube column assembly according to claim 1, characterized in that the springs (5) are provided in a plurality of groups, and the plurality of groups of springs (5) are arranged equidistantly from left to right.

4. The automotive down tube column assembly according to claim 1, characterized in that the first mounting groove (6) and the second mounting groove (7) are vertical.

5. The automotive down tube column assembly of claim 1, wherein the ZGMn13 layer (2) is made of a high manganese steel material.