CN217415869U

CN217415869U - Collapse mechanism, steering column assembly for vehicle and vehicle

Info

Publication number: CN217415869U
Application number: CN202220698751.5U
Authority: CN
Inventors: 宋伦奉; 刘忠侦; 董智星; 张飞翔; 左琨
Original assignee: Evergrande Hengchi New Energy Automobile Research Institute Shanghai Co Ltd
Current assignee: Evergrande Hengchi New Energy Automobile Research Institute Shanghai Co Ltd
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2022-09-13
Anticipated expiration: 2032-03-23

Abstract

The utility model relates to a technical field that turns to of vehicle discloses a steering column assembly and vehicle that mechanism, vehicle were used burst, and the mechanism that bursts contracts is provided with the chamber that bursts in the main part of collapsing including bursting main part and slider, and the slider includes that slidable sets up in the sliding part that bursts in the chamber and sets up in the sliding part and be located the outer installation atress section of the chamber that bursts, wherein: the main part that contracts of bursting is provided with the slide that supplies the installation atress section to pass through when the sliding part slides in the chamber that contracts of bursting, and the slide all extends along the sliding direction of sliding part with the chamber that contracts of bursting, and at least one of the main part that contracts of bursting and installation atress section receives can make the sliding part slide in the chamber that contracts of bursting after the impact along the extending direction of the chamber that contracts of bursting. The crumple mechanism can be assembled on a steering column of a vehicle, so that only the crumple mechanism is replaced after crumpling occurs, and the maintenance cost of the vehicle is reduced.

Description

Collapse mechanism, steering column assembly for vehicle and vehicle

Technical Field

The utility model relates to a technical field that turns to of vehicle specifically relates to a steering column assembly and vehicle that ulcerate mechanism, vehicle were used that contracts.

Background

When a vehicle is in violent collision, the body of a driver leans forwards due to inertia, and the chest of a human body collides with a steering wheel. In order to reduce the damage of devices such as a steering wheel to a driver in the process of automobile collision, a collapsible steering column is generally adopted in the design and development of passive safety performance of an automobile. When the collapsible steering column receives certain impact, the collapsible steering column can collapse towards the direction of keeping away from the driver, and the space from the steering wheel to the driver is enlarged, so that the injury to the driver is reduced.

However, after the collapsible steering column is collapsed by an impact, the entire steering column cannot be used any more, and therefore, the entire steering column needs to be replaced, which greatly increases the maintenance cost of the vehicle.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the steering column that can burst and contract that prior art exists and thus need the overall change greatly increased the cost of maintenance of vehicle after collapsing because of receiving the striking, providing a mechanism that contracts bursts, should burst the mechanism and can assemble in the steering column of vehicle to only change after collapsing taking place to burst the mechanism that contracts can, thereby reduced the cost of maintenance of vehicle.

In order to achieve the above object, an aspect of the present invention provides a collapsing mechanism, including:

the device comprises a collapsing main body, a collapsing cavity and a control device, wherein the collapsing main body is internally provided with the collapsing cavity; and

the sliding part comprises a sliding part which can be arranged in the collapsing cavity in a sliding mode and an installation stress section which is arranged on the sliding part and is positioned outside the collapsing cavity; wherein:

the main part that contracts of bursting is provided with and works as the sliding part supplies when sliding in the chamber of collapsing the slide that installation atress section passes through, the slide with the chamber of collapsing all follows the sliding direction of sliding part extends, the main part that contracts of collapsing with at least one of installation atress section receives and follows can make behind the impact of the extending direction of the chamber of collapsing the sliding part slide in the chamber of collapsing in order to crumple.

Above-mentioned technical scheme, through setting up the sliding part and with the sliding part complex chamber that contracts of ulcerate, thereby accessible sliding part slides and then warp the energy-absorbing in the chamber that contracts of ulcerate, reduce the damage, for example when assembling the mechanism that contracts of ulcerate in the steering column of vehicle, the mechanism that contracts of ulcerating can take place to burst under steering column's drive, thereby the steering wheel that has reduced the vehicle is to driver's impact, simultaneously, because only the mechanism that contracts of ulcerate has taken place to warp and has contracted, consequently only change the mechanism that contracts of ulcerate can, greatly reduced the cost of maintenance of vehicle.

Preferably, the crush mechanism includes a rupturable portion provided in the crush chamber, the rupturable portion being provided to have a stop state capable of stopping the sliding portion when the sliding portion is stationary and a ruptured state for rupturing the rupturable portion to pass the sliding portion when the sliding portion slides.

Preferably, the rupturable portion includes a rupturable stop pillar disposed within the crush chamber, the rupturable stop pillar extending in a width direction of the crush chamber perpendicular to an extending direction of the crush chamber.

Preferably, the rupturable portion includes a plurality of the rupturable stop posts distributed along an extending direction of the crush chamber.

Preferably, the collapsing mechanism includes a plurality of collapsing chambers disposed in the collapsing body, the plurality of collapsing chambers are distributed along a width direction of the collapsing chambers perpendicular to an extending direction of the collapsing chambers, and the collapsing mechanism further includes a plurality of sliders corresponding to the corresponding collapsing chambers, respectively.

Preferably, the collapsing mechanism includes the mounting plate capable of fixedly mounting the slider, and one end of the mounting force receiving section, which is far away from the sliding portion, is fixed to the mounting plate.

Preferably, the crush mechanism includes a mounting bracket that can be fitted to the crush body and that fixedly mounts the crush body.

The utility model discloses the second aspect provides a steering column assembly that vehicle was used, the steering column assembly that vehicle was used include steering column and assemble in steering column's the mechanism that contracts of bursting, the mechanism that contracts of bursting does the utility model provides a mechanism that contracts bursts, wherein: the crush chamber extends in an axial direction of the steering column. Through setting up in the steering column assembly that the vehicle was used the utility model provides a mechanism contracts bursts to not only effectively protected driver's personal safety, owing to burst the mechanism contracts and be the additional part of assembling in steering column, consequently only to burst after contracting the mechanism change can, greatly reduced the cost of maintenance of vehicle.

Preferably, the steering column comprises a fixedly arranged lower column and an upper column slidably arranged on the lower column, and the upper column is arranged to move along the axial direction of the lower column relative to the lower column; wherein:

the collapse main body of the collapse mechanism is assembled on the upper pipe column, and when the upper pipe column receives impact force and moves along the axial direction of the lower pipe column, the collapse main body is stressed, so that the sliding portion slides in the collapse cavity.

The utility model discloses the third aspect provides a vehicle, be provided with in the vehicle the utility model provides a steering column assembly that vehicle was used. Through being provided with in the vehicle the utility model provides a steering column assembly that vehicle was used can effectively guarantee vehicle driver's personal safety to owing to can only change the mechanism that contracts of ulcerating that contracts, consequently greatly reduced the cost of maintenance of vehicle.

Drawings

Fig. 1 is a schematic view of an overall structure of a steering column assembly for a vehicle according to a preferred embodiment of the present invention, in which a collapsing mechanism provided by the present invention is assembled;

FIG. 2 is a schematic view of the overall structure of the collapsing mechanism according to the preferred embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of the collapsing mechanism shown in FIG. 2.

Description of the reference numerals

10-a collapsing mechanism; 12-a collapsing body; 120-a crumple chamber; 122-a slide; 14-a slide; 140-a sliding part; 142-installing a stressed section; 16-a breakable stopper; 18-a mounting plate; 19-mounting a bracket; 190-vertical plate; 192-a transverse mounting plate; 20-a steering column assembly for a vehicle; 22-a steering column; 220-running the tubular string; 222-tubing up; 40-tubular beam.

Detailed Description

In the present invention, the use of directional terms such as "upper, lower, left and right" in the absence of a contrary explanation generally means that the directions shown in the drawings and the practical application are understood, and "inner and outer" mean inner and outer of the outline of the component.

The utility model provides a collapsing mechanism, which is shown in a combined figure 1 and a figure 3, wherein the collapsing mechanism 10 comprises a collapsing main body 12, a collapsing cavity 120 is arranged in the collapsing main body 12, and the collapsing main body 12 can be assembled on a part to be installed, such as a steering column 22 of a vehicle; the crush mechanism 10 includes a slider 14, the slider 14 includes a sliding portion 140 slidably disposed in the crush chamber 120 and a mounting force receiving section 142 disposed on the sliding portion 140 and outside the crush chamber 120, the slider 14 can be assembled to another portion to be mounted, such as a tubular beam 40 of a vehicle body, through the mounting force receiving section 142; wherein: the crush body 12 is provided with the slide passage 122 through which the mounting stress section 142 passes when the sliding portion 140 slides in the crush chamber 120, that is, when the sliding portion 140 slides in the crush chamber 120, the mounting stress section 142 can slide smoothly along the slide passage 122, the slide passage 122 and the crush chamber 120 both extend in the sliding direction of the sliding portion 140, and at least one of the crush body 12 and the mounting stress section 142 can slide the sliding portion 140 in the crush chamber 120 to crush when receiving an impact force in the extending direction of the crush chamber 120, it can be understood that when the crush body 12 receives an impact force in the extending direction of the crush chamber 120, for example, when the crush body 12 receives an impact force in the axial direction of the steering column 22 of the vehicle, the sliding portion 140 can slide in the crush chamber 120, thereby achieving crush. Through setting up sliding part 140 and the chamber 120 that contracts that cooperatees with sliding part 140 to accessible sliding part 140 slides in the chamber 120 that contracts and then warp the energy-absorbing in order to accomplish the ulcerate and contract, reduce the damage, for example when assembling the mechanism 10 that contracts to the steering column 22 of vehicle, the mechanism 10 that contracts can take place to contract under the drive of steering column 22, thereby reduced the steering wheel of vehicle and to driver's impact, simultaneously, because only the mechanism 10 that contracts that has warp, therefore only change the mechanism 10 that contracts, greatly reduced the cost of maintenance of vehicle.

To further secure the collapsing effect, the collapsing mechanism 10 may include a rupturable portion provided in the collapsing chamber 120, the rupturable portion may be provided to have a stopper state capable of stopping the sliding portion 140 when the sliding portion 140 is stationary and a ruptured state allowing the rupturable portion to rupture to allow the sliding portion 140 to pass through when the sliding portion 140 slides, it is understood that the sliding portion 140 may stop the sliding portion 140 when the collapsing mechanism 10 is not subjected to the impact force, and the sliding portion 140 may perform a sliding operation when the collapsing mechanism 10 is subjected to the impact force, specifically, when the collapsing body 12 is subjected to the impact force in the extending direction of the collapsing chamber 120, and during the sliding, the rupturable portion may be struck to rupture. The breakable part can be made of materials which are easy to break, such as plastic materials, and can be plastic parts.

Referring to fig. 2 and 3, the breakable part may include a breakable barrier 16 disposed inside the crush chamber 120, and the breakable barrier 16 may extend along a width direction of the crush chamber 120 perpendicular to an extending direction of the crush chamber 120, where the extending direction of the crush chamber 120 may be regarded as a length direction of the crush chamber 120, and the direction of the crush chamber 120 perpendicular to the extending direction may be regarded as a width direction of the crush chamber 120. The breakable stopper 16 extends in the width direction of the crush chamber 120, and not only can stop the sliding portion 140, but also can facilitate the sliding portion 140 striking the breakable stopper 16 to break the breakable stopper 16 in time.

A plurality of breakable stop posts 16 may be provided, and the plurality of breakable stop posts 16 may be distributed along the extension direction of the crush chamber 120. By providing a plurality of breakable stopper posts 16, the stopping effect on the sliding portion 140 and the collapsing effect of the collapsing mechanism 10 are ensured at the same time.

In addition, a stopper capable of stopping the sliding portion 140 from escaping from the crush chamber 120 may be provided in the crush chamber 120, thereby ensuring structural stability of the entire crush mechanism 10.

As shown in fig. 2, a plurality of crush chambers 120 may be disposed within the crush body 12, the plurality of crush chambers 120 may be distributed along a width direction of the crush chambers 120 perpendicular to an extending direction of the crush chambers 120, it is understood that the plurality of crush chambers 120 may be distributed along the width direction of the crush chambers 120, and the crush mechanism 10 may further include a plurality of sliders 14 corresponding to the respective crush chambers 120, respectively. Further, rupturable portions may also be provided within the respective crush chambers 120.

To facilitate assembly of multiple sliders 14, a mounting plate 18 may be provided to which the sliders 14 can be fixedly mounted, and an end of the mounting force receiving section 142 remote from the slider 140 may be fixed to the mounting plate 18. In this way, the slider 14 can be fixedly mounted to the portion to be mounted using the mounting plate 18, for example, the slider 14 can be fixedly mounted to the tubular beam 40 of the vehicle body using the mounting plate 18, and specifically, mounting holes can be provided in the mounting plate 18, and fasteners such as fastening bolts can be passed through the mounting holes to fix the mounting plate 18 and the tubular beam 40 together.

As shown in fig. 1 and 2 in combination, a mounting bracket 19 that can be fitted to the crush body 12 and fixedly mounts the crush body 12 may be provided so that the crush body 12 can be fixedly mounted to the portion to be mounted by the mounting bracket 19, for example, the crush body 12 can be fixedly mounted to the steering column 22, specifically, the upper column 222 of the steering column 22, by using the mounting bracket 19. The mounting bracket 19 may include a transverse mounting plate 192 and a pair of vertical plates 190 disposed on the transverse mounting plate 192 and spaced apart from each other, the pair of vertical plates 190 may be configured to clamp the steering column 22, and the transverse mounting plate 192 may be fixed to the collapsing body 12.

The utility model also provides a steering column assembly that the vehicle was used, steering column assembly 20 that the vehicle was used can include steering column 22 and assemble in the mechanism 10 that contracts of bursting of steering column 22, and the mechanism 10 that contracts of bursting does the utility model provides a mechanism 10 that contracts bursts, wherein: the crush chamber 120 can extend along the axial direction of the steering column 22, and the steering column 22 can drive the crush mechanism 10 to crush after receiving an impact force along the axial direction, so as to effectively reduce the impact force of the steering wheel to the driver. Through setting up in the steering column assembly 20 that the vehicle was used the utility model provides a mechanism 10 contracts bursts to not only effectively protected driver's personal safety, moreover because the mechanism 10 that contracts bursts is the additional part of assembling in steering column 22, consequently only to burst mechanism 10 that contracts after collapsing change can, greatly reduced the cost of maintenance of vehicle.

As shown in fig. 1, the steering column 22 may include a fixedly disposed lower column 220 and an upper column 222 slidably disposed on the lower column 220, the lower column 220 may be fixedly mounted to a tube beam 40 of a body of the vehicle, and the upper column 222 may be disposed to be movable relative to the lower column 220 in an axial direction of the lower column 220; wherein: the crush body 12 of the crush mechanism 10 can be assembled to the upper tubular column 222, the slider 14 can be assembled to the tubular beam 40, and the upper tubular column 222 can make the crush body 12 be forced and the sliding portion 140 slide in the crush chamber 120 when it is impacted by the impact force and moves along the axial direction of the lower tubular column 220, it can be understood that after the upper tubular column 222 is impacted by the impact force, the crush body 12 can be impacted by the impact force in the same direction, so that the crush mechanism 10 can be crushed, and at this time the sliding portion 140 can slide in the crush chamber 120. It should be noted that the starting position of the sliding portion 140 may be remote from the steering wheel mounted to the steering column 22.

The utility model also provides a vehicle is provided with in the vehicle the utility model provides a steering column assembly 20 that vehicle was used. Through being provided with in the vehicle the utility model provides a steering column assembly 20 that vehicle was used can effectively guarantee vehicle driver's personal safety to owing to can only change the mechanism 10 that contracts bursts, consequently greatly reduced the cost of maintenance of vehicle.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. The technical idea of the utility model within the scope, can be right the utility model discloses a technical scheme carries out multiple simple variant, makes up with any suitable mode including each concrete technical feature. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.

Claims

1. A crush mechanism, characterized in that the crush mechanism (10) comprises:

a crush body (12), a crush chamber (120) being disposed within the crush body (12); and

a slider (14), the slider (14) comprising a sliding portion (140) slidably disposed within the crush chamber (120) and a mounting force-bearing section (142) disposed on the sliding portion (140) and outside the crush chamber (120); wherein:

the main body (12) that contracts is provided with and supplies when sliding part (140) slide in the chamber (120) that contracts installation atress section (142) passes through slide (122), slide (122) with chamber (120) that contracts all follow the slip direction of sliding part (140) extends, main body (12) that contracts with at least one of installation atress section (142) receive along can make after the impact of the extending direction of chamber (120) that contracts sliding part (140) slide in chamber (120) that contracts.

2. The crush mechanism of claim 1, wherein the crush mechanism (10) includes a rupturable portion disposed within the crush chamber (120), the rupturable portion being configured to have a stop state capable of stopping the sliding portion (140) when the sliding portion (140) is at rest and a ruptured state that ruptures the rupturable portion to allow the sliding portion (140) to pass when the sliding portion (140) slides.

3. The crush mechanism of claim 2, wherein the rupturable portion includes a rupturable stop post (16) disposed within the crush chamber (120), the rupturable stop post (16) extending along a width of the crush chamber (120) perpendicular to a direction of extension of the crush chamber (120).

4. The crush mechanism of claim 3, wherein the rupturable portion includes a plurality of the rupturable stop posts (16), the plurality of the rupturable stop posts (16) being distributed along an extension direction of the crush chamber (120).

5. The crush mechanism of any one of claims 1-4, wherein the crush mechanism (10) includes a plurality of crush chambers (120) disposed within the crush body (12), the plurality of crush chambers (120) being distributed along a width direction of the crush chambers (120) perpendicular to an extension direction of the crush chambers (120), the crush mechanism (10) further including a plurality of sliders (14) respectively corresponding to the respective crush chambers (120).

6. The crush mechanism of claim 5, wherein the crush mechanism (10) includes a mounting plate (18) to which the slider (14) can be fixedly mounted, and wherein an end of the mounting force-bearing section (142) remote from the slider (140) is fixed to the mounting plate (18).

7. The crush mechanism of claim 5, wherein the crush mechanism (10) includes a mounting bracket (19) that can be fitted to the crush body (12) and fixedly mount the crush body (12).

8. A steering column assembly for a vehicle (20), the steering column assembly (22) comprising a steering column (22) and a crush mechanism (10) mounted to the steering column (22), the crush mechanism (10) being as claimed in any one of claims 1 to 7, wherein: the crush chamber (120) extends in an axial direction of the steering column (22).

9. The steering column assembly for a vehicle according to claim 8, wherein the steering column (22) includes a fixedly disposed lower column (220) and an upper column (222) slidably disposed on the lower column (220), the upper column (222) being disposed to be movable relative to the lower column (220) in an axial direction of the lower column (220); wherein:

the collapse body (12) of the collapse mechanism (10) is assembled on the upper pipe column (222), and when the upper pipe column (222) is impacted and moves along the axial direction of the lower pipe column (220), the collapse body (12) can be stressed, so that the sliding part (140) can slide in the collapse chamber (120).

10. A vehicle, characterized in that a steering column assembly (20) for a vehicle according to claim 8 or 9 is provided in the vehicle.