CN211568079U

CN211568079U - Mounting structure of steering column guard shield

Info

Publication number: CN211568079U
Application number: CN201922214974.0U
Authority: CN
Inventors: 张鹏; 管明
Original assignee: Zhejiang Geely Holding Group Co Ltd; Ningbo Geely Automobile Research and Development Co Ltd
Current assignee: Ningbo jikrypton Intelligent Technology Co.,Ltd.; Zhejiang Geely Holding Group Co Ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-09-25
Anticipated expiration: 2029-12-10

Abstract

The utility model provides a mounting structure of steering column guard shield belongs to car technical field. It has solved the low problem of current vehicle security. This mounting structure of steering column guard shield, guard shield have the mounting hole, and mounting structure includes the fastener that wears to locate in the mounting hole and link firmly with steering column, has the clearance of removal between the pore wall of fastener and mounting hole, and the clearance of removal sets up along the ulcerate direction of contracting of steering column. This mounting structure of steering column guard shield has the advantage that improves the car security.

Description

Mounting structure of steering column guard shield

Technical Field

The utility model belongs to the technical field of the car, a mounting structure of steering column guard shield is related to.

Background

The automobile steering column is a part for connecting a steering wheel and a steering machine and is used for transmitting torque transmitted by the steering wheel to the steering machine. The steering column protective cover is a part for shielding the steering column.

In the prior art, a steering column is designed into a collapsible structure for improving the safety of an automobile, and when the automobile collides, the steering column is collapsed and deformed along a preset stroke so as to weaken the impact on a driver, thereby improving the safety of the automobile. However, the rigidity of the steering column is enhanced by the arrangement of the protective cover, and when the automobile collides, the steering column is limited, namely, the steering column cannot be fully collapsed, so that the impact on a driver is large, and the safety of the automobile is low. The mode that easily thinks in prior art is just to cancel and set up the guard shield on the steering column, but this kind of mode can't realize the protection to the steering column when the car does not collide to the car quality reduces, and is not conform to the development trend of modern car.

Disclosure of Invention

The utility model aims at the above-mentioned problem that exists among the prior art, provide a mounting structure of steering column guard shield, solve the low problem of vapour safety.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a mounting structure of steering column guard shield, the guard shield has the mounting hole, and mounting structure is including wearing to locate in the mounting hole and the fastener that links firmly with steering column, the clearance that removes has between the pore wall of fastener and mounting hole, the clearance that removes is along the setting of the direction that contracts of bursting of steering column.

The steering spindle is connected to the steering column one end of car, and the steering wheel is connected to the other end, and this application guard shield passes through the fastener to be fixed on the steering column of car. When the automobile is in a frontal collision, the collision force enables the steering column to deform from one end connected with the steering shaft to one end connected with the steering wheel, namely the collapsing direction of the steering column. Because of the fastener links firmly with steering column, so the fastener moves along steering column's length direction along with steering column's the deformation that contracts of bursting, and the clearance that removes provides the space of stepping down for the removal of fastener, that is to say the mounting hole is rectangular form and extends along steering column's length direction, when installing the guard shield, can adjust the mounted position of guard shield according to actual installation needs, makes the mounting hole provide the clearance that removes for the stiff end of fastener removes towards deviating from steering column direction. And then the fastener moves to the clearance that removes and makes guard shield and steering column separate, avoids the setting up of guard shield on the steering column to increase the rigidity of steering column, and reduces the stroke that big steering column can supply to burst to contract. Further, the increase in the collapse deformation amount of the steering column weakens the impact force acting on the driver at the time of the vehicle collision, thereby improving the safety of the vehicle.

In the above-mentioned mounting structure of the steering column shroud, the shroud has a mounting head that protrudes toward the steering column and abuts against the steering column, and the mounting hole is provided on the mounting head. The protruding setting of installation head weakens the intensity of guard shield and the junction of steering tube group on the one hand, and on the other hand reduces the area of contact between guard shield and the steering column, is difficult for the dispersion when making the fastener atress to accelerate the fastener and remove, and then improve the separating rate of steering column and fastener, improve the security of car from this.

In the mounting structure of the steering column shield, the mounting hole is provided with a disengagement section and a limiting section through which a fastener is inserted, and the transverse width of the limiting section is smaller than that of the disengagement section. The fastener wears to locate in spacing section and links firmly with steering column, when steering column bursts to contract and warp, deviates from the section and reduces the restriction of fastener when moving towards the direction of breaking away from steering column, and the at utmost avoids the stiff end of fastener to be detained in steering column because of moving the not enough and safety that improves the car from this.

In the above-mentioned mounting structure of the steering column shroud, the mounting hole further has a guide section located between the limiting section and the disengaging section and used for blocking the fastener, and the cross-sectional width of the guide section is smaller than that of the limiting section. When the automobile is not collided, the section width of the guide section is smaller than that of the limiting section, so that the guide section blocks the fastener from moving towards the separation section, and the connection between the protective cover and the steering column is ensured. When an automobile collides, the fastener moves along the guide section under the action of external force, so that the guide section guides the movement of the fastener, the moving path of the fastener under stress is determined, namely, the fastener moves to the detaching section along the guide section to detach the mounting head, and the safety of the automobile is improved.

In the mounting structure of the steering column protective cover, the mounting head is cylindrical, the bottom of the mounting head is abutted against the steering column, the limiting section and the guiding section are both arranged at the bottom of the mounting head, and the separation section is arranged at the side part of the mounting head. The mounting head is in a cylindrical shape, so that the mounting head is regular in shape, the limiting section and the guiding section are arranged at the bottom of the mounting head, the separating section is arranged on the side part of the mounting head, the strength of the mounting head is further weakened, and enough yielding space is reserved for the movement of the fastening piece, so that the safety of an automobile is improved.

In the mounting structure of the steering column shield, the outer bottom wall of the mounting head is provided with a first weakening groove, and the first weakening groove is located at the connecting position of the bottom and the side part of the mounting head. The first weakening groove weakens the strength of the mounting head, so that the mounting head is easy to deform or break when the steering column is stressed, the fastening piece is convenient to be separated from the steering column or the main body of the protective cover is separated from the steering column, and the safety of the automobile is improved.

In the mounting structure of the steering column shield, the side part of the mounting head is provided with a second weakening groove, and the second weakening groove is communicated with the first weakening groove. The second weakening groove weakens the strength of the mounting head, so that the mounting head is easy to deform or break when the steering column is stressed, the fastening piece is convenient to be separated from the steering column or the main body of the protective cover is separated from the steering column, and the safety of the automobile is improved.

In the mounting structure of the steering column shield, the outer bottom wall of the mounting head is provided with a leaning edge which is leaned against the steering column, and the leaning edge is arranged along the opening edge of the limiting section and the opening edge of the guiding section. The strength of the joint of the protective cover and the steering column can be improved by the abutting edge so as to meet the requirement of the fixed strength of the protective cover, and the fastening piece can be guided to move along the mounting hole when the steering column is stressed, so that the safety of the automobile is improved.

Compared with the prior art, the utility model provides a pair of mounting structure of steering column guard shield has following advantage:

1. when the automobile collides, the mounting hole provides a yielding space for the movement of the fastening piece, so that the fixed end of the fastening piece is separated from the steering column, the separation of the steering column and the protective cover is realized, and the collapse deformation of the steering column under the collision force is increased to weaken the impact of the automobile collision on a driver, thereby improving the safety of the automobile.

2. The installation head has the advantages that the outer bottom wall of the installation head is provided with the abutting edge, so that the contact area between the installation head and the steering column is reduced, the installation hole is reasonably arranged, the moving path of the fastener is determined, the fastener moves along the installation hole when moving, the installation head is separated, and accordingly the safety of an automobile is improved.

3. The first weakening groove and the second weakening groove weaken the overall strength of the mounting head, the mounting head is prone to deformation or fracture under the extrusion force of the fastening piece, the fastening piece is separated from the mounting head due to deformation, the shield body is separated from the steering column due to fracture, and therefore the shield is prevented from shielding the collapse of the steering column, and the safety of an automobile is improved.

Drawings

Fig. 1 is a sectional view of the present column shroud mounting structure.

Fig. 2 is a schematic view of the overall structure of the shield.

Fig. 3 is a partially enlarged view a of fig. 2.

In the figure, 1, a steering column; 2. a shield; 21. mounting holes; 211. a limiting section; 212. a stripping section; 213. a guide section; 22. a mounting head; 221. a first weakening tank; 222. a second weakening tank; 223. an abutting edge; 3. a fastener; 4. and (4) protruding.

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, the present steering column shroud mounting structure includes a fastener 3, and a shroud 2 has a mounting hole 21.

As shown in fig. 2, the shroud 2 has a mounting head 22 projecting toward the steering column 1 and abutting against the steering column 1, the mounting head 22 is cylindrical and abuts against the steering column 1 at the bottom, and the mounting hole 21 is provided in the mounting head 22.

As shown in fig. 3, the mounting hole 21 has a limiting section 211 and a releasing section 212 opened at the bottom of the mounting head 22, and a limiting section 212 opened at the side of the mounting head 22, the guiding section 213 is located between the limiting section 211 and the releasing section 212, and the cross-sectional width of the limiting section 211 is greater than that of the guiding section 213 and less than that of the releasing section 212. The fastener 3 can be a bolt or a screw, the fastener 3 of the present application is a screw, the screw has a head and a rod, the rod penetrates through the limiting section 211 and is fixedly connected with the steering column 1, the guide section 213 is smaller than the diameter of the rod, and the disengagement section 212 is used for the screw to pass through. The outer bottom wall of the mounting head 22 is provided with two protrusions 4 and two abutting edges 223 abutting against the steering column 1, the limiting section 211 is located between the two protrusions 4, and the abutting edges 223 are arranged along the opening edge of the limiting section 211 and the opening edge of the guide section 213.

The outer bottom wall of the mounting head 22 is formed with a first weakening groove 221, and the first weakening groove 221 is located at the connection position of the bottom and the side of the mounting head 22. The side of the mounting head 22 is opened with four second weakening grooves 222, and the second weakening grooves 222 are communicated with the first weakening grooves 221 and are arranged at intervals in the circumferential direction of the mounting head 22.

The steering column 1 of the present application is a collapsing steering column 1 in the prior art. When the automobile collides, the steering column 1 collapses along the preset direction, the fastening piece 3 moves towards the collapsing direction of the steering column 1, the fastening piece 3 is blocked when moving, the fastening piece 3 extrudes the hole wall of the guide hole, the first weakening groove 221 and the second weakening groove 222 enable the mounting head 22 to be easily deformed or broken, the fixed end of the fastening piece 3 is separated from the steering column 1, the protective cover 2 is separated from the steering column 1, the steering column 1 is fully collapsed, and therefore the bearing performance of the automobile is improved.

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 steering column 1, the shroud 2, the mounting hole 21, the stopper section 211, the stopper section 212, the guide section 213, the mounting head 22, the first weakening groove 221, the second weakening groove 222, the abutment edge 223, the fastener 3, the protrusion 4, 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 a mounting structure of steering column guard shield, guard shield (2) have mounting hole (21), and mounting structure is including wearing to locate in mounting hole (21) and fastener (3) that link firmly with steering column (1), its characterized in that, the clearance that removes has between the pore wall of fastener (3) and mounting hole (21), the clearance that removes is followed the directional setting that contracts of collapsing of steering column (1).

2. The mounting structure of a steering column shroud according to claim 1, wherein the shroud (2) has a mounting head (22) projecting toward the steering column (1) and abutting against the steering column (1), the mounting hole (21) being provided on the mounting head (22).

3. The mounting structure of a steering column shroud according to claim 2, wherein the mounting hole (21) has a escaping section (212) and a stopper section (211) through which the fastener (3) is provided, and a cross-sectional width of the stopper section (211) is smaller than a cross-sectional width of the escaping section (212).

4. The mounting structure of a steering column shroud according to claim 3, characterized in that the mounting hole (21) further has a guide section (213) for blocking the fastener (3) between the stopper section (211) and the escaping section (212), the guide section (213) having a cross-sectional width smaller than that of the stopper section (211).

5. The mounting structure of a steering column shroud according to claim 4, wherein the mounting head (22) is cylindrical and has a bottom abutting against the steering column (1), the stopper section (211) and the guide section (213) are both provided at the bottom of the mounting head (22), and the disengagement section (212) is provided at a side of the mounting head (22).

6. The mounting structure of a steering column shroud according to claim 5, wherein the mounting head (22) has a first weakening groove (221) formed in an outer bottom wall thereof, the first weakening groove (221) being located at a junction between a bottom portion and a side portion of the mounting head (22).

7. The mounting structure of a steering column shroud according to claim 6, characterized in that a second weakening groove (222) is opened at a side of the mounting head (22), the second weakening groove (222) communicating with the first weakening groove (221).

8. A mounting structure for a steering column shroud according to any one of claims 5 to 7, characterised in that the outer bottom wall of the mounting head (22) is provided with an abutment edge (223) for abutment with the steering column (1), the abutment edge (223) being provided along the mouth edge of the stopper section (211) and the mouth edge of the guide section (213).