CN204264249U - The steering column of collapse energy-absorption formula and the crushing test device of steering column - Google Patents
The steering column of collapse energy-absorption formula and the crushing test device of steering column Download PDFInfo
- Publication number
- CN204264249U CN204264249U CN201420497350.9U CN201420497350U CN204264249U CN 204264249 U CN204264249 U CN 204264249U CN 201420497350 U CN201420497350 U CN 201420497350U CN 204264249 U CN204264249 U CN 204264249U
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- China
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- steering column
- mounting bracket
- turns
- turning
- sleeve pipe
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Abstract
The utility model provides a kind of steering column of collapse energy-absorption formula and the crushing test device of steering column, the steering column of collapse energy-absorption formula comprises steering column and turns to lower shaft, steering column comprises and turns upward axis and turn to sleeve pipe and be fixed in and turn to the upper mounting bracket of outside of sleeve and lower mounting bracket, upper mounting bracket and lower mounting bracket and turn to the attachment force between sleeve pipe to be less than the collision impact of vehicle; Lower shaft is turned to be provided with collapse energy-absorption structure.In the utility model, when vehicle is subject to certain collision load, steering column entirety moves down, and upper mounting bracket and lower mounting bracket and the collision impact being less than vehicle that turns to the attachment force between sleeve pipe to be designed, on under collision load effect, rupture in mounting bracket and lower mounting bracket place, steering column continues to move down, and turns to the energy produced in the collapse energy-absorption structure double absorption collision process on lower shaft, avoid chaufeur directly and steering handwheel collide.
Description
Technical field
The utility model relates to auto body accessory technical field, is specifically related to a kind of steering column of collapse energy-absorption formula and the crushing test device of steering column.
Background technology
Steering column is the important component part of the steering operation mechanism of automobile steering system, and it changes or recovers the travel direction of automobile together with other mechanisms.In vehicle traveling process, often need change travel direction by the will of chaufeur, when motor turning, chaufeur applies a steering torque to bearing circle, and this moment is input in deflector by steering column.For the user group using height different; the length of General Requirements steering column and adjustable angle; along with user is more and more higher to security requirement; also require that steering column has crumple energy absorption performance, when automobile generation head-on crash, steering column folds certain distance; the cushion space of effective expansion chaufeur; and Absorbable rod part impinges energy, reduce the degree that driver and crew are hurt, protect chaufeur to greatest extent.
As shown in Figure 1, existing steering column comprises the upper steering column 10 and lower steering column 20 that are connected with each other, and the bottom of lower steering column 20 is provided with the rubber disc 23 for damping.Upper steering column 10 comprises steering shaft 11, combined switch support 12, steering-column tube 13, upper adjustable support 14 and lower mounting bracket 15, and steering shaft 11, combined switch support 12, steering-column tube 13, upper adjustable support 14 are connected from top to bottom in turn with lower mounting bracket 15.Steering column of the present utility model adds steering column damping energy-absorbing function, improves the traveling comfort that user drives.But this utility model utilizes rubber disc to absorb collision energy; the finite energy consumed, cannot control crumple power a less scope, cannot ensure steering column secondary crumple energy-absorbing; most Impact energy, still by chaufeur own absorption, can not form good protection to chaufeur.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of steering column of collapse energy-absorption formula and the crushing test device of steering column, the energy produced in effective absorption collision process, avoid chaufeur directly and steering handwheel collide, reduce and the collision of chaufeur is injured, for chaufeur provides the space of existence.
For solving the problems of the technologies described above, embodiment of the present utility model provides a kind of steering column of collapse energy-absorption formula, comprise steering column and turn to lower shaft, described steering column comprises turning upward axis and turning to sleeve pipe and turn to the upper mounting bracket of outside of sleeve and lower mounting bracket described in being fixed in of inside and outside suit, described steering column is connected by universal-joint with turning to lower shaft, the described lower shaft that turns to is provided with collapse energy-absorption structure, and described collapse energy-absorption structure is for turning to the tube wall of lower shaft described at least one segment mesh engraved structure.Preferably, described collapse energy-absorption structure is for turning to the tube wall of lower shaft described in two segment mesh engraved structures.
Wherein, described steering column also comprises the direction adjustment organization be connected with described upper mounting bracket by bearing pin.
Wherein, turn upward axis described in be connected with the described sleeve pipe that turns to by upper and lower two bearings.
Preferably, described upper mounting bracket and lower mounting bracket and the described sleeve pipe that turns to are welded to connect.
The utility model embodiment also provides a kind of crushing test device for steering column, steering column comprises: steering column and turn to lower shaft, described steering column comprises turning upward axis and turning to sleeve pipe and turn to the upper mounting bracket of outside of sleeve and lower mounting bracket described in being fixed in of inside and outside suit, and described steering column is connected by universal-joint with turning to lower shaft; The described lower shaft that turns to is provided with collapse energy-absorption structure, and described collapse energy-absorption structure is for turning to the tube wall of lower shaft described at least one segment mesh engraved structure; Crushing test device comprises tension-compression sensor, support plate, upper fixture, middle fixture and lower clamp, and described tension-compression sensor is fixedly arranged on the upper end of described support plate; The relatively described upper fixture horizontal slip of described support plate connects, and the lower end of described upper fixture is fixedly connected with the upper end turning upward axis; Described in described middle fixture profiling, upper mounting bracket welds with the described sleeve pipe that turns to, and described in described lower clamp profiling, lower mounting bracket welds with the described sleeve pipe that turns to.
Wherein, described support plate is by upper supporting plate, and lower carrier plate, the row's ball be provided with between upper and lower support plate is formed, and described lower carrier plate is fixedly connected with upper fixture, and described upper supporting plate is by the relatively described lower carrier plate horizontal slip of ball.
The beneficial effect of technique scheme of the present utility model is as follows:
In such scheme, because turning upward axis and turning to sleeve pipe to connect into the steering column of rigid construction by bearing, the energy that collision produces can not be absorbed, when vehicle is subject to certain collision load, steering column entirety moves down, and the technical program carries out the design of intensity difference crash feature at upper mounting bracket and lower mounting bracket place, namely the collision impact being less than vehicle gone up mounting bracket and lower mounting bracket and turn to the attachment force between sleeve pipe to be designed, on under collision load effect, rupture in mounting bracket and lower mounting bracket place, steering column continues to move down, turn to the energy produced in the collapse energy-absorption structure double absorption collision process on lower shaft, avoid chaufeur directly and steering handwheel collide, reduce and the collision of chaufeur is injured, for chaufeur provides the space of existence.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing steering column;
Fig. 2 is the structural representation of the steering column of collapse energy-absorption formula in the utility model embodiment one;
Fig. 3 a is the schematic diagram of collapse energy-absorption structure before conquassation in embodiment one;
Fig. 3 b is the schematic diagram of collapse energy-absorption structure in Collapse of Concrete in embodiment one;
Fig. 3 c is the schematic diagram of collapse energy-absorption structure after conquassation in embodiment one;
Fig. 4 is the structural representation of the crushing test device of steering column in embodiment one.
Description of reference numerals:
10, upper steering column;
11, steering shaft;
12, combined switch support;
13, steering-column tube;
14, upper adjustable support;
15, lower mounting bracket;
20, lower steering column;
23, rubber disc;
1, upward axis is turned;
2, axial sleeve pipe
3, upper mounting bracket;
4, lower mounting bracket;
5, direction adjustment organization;
6, lower shaft is turned to;
7, universal-joint;
8, bearing;
9, collapse energy-absorption structure;
100, tension-compression sensor;
110, support plate;
120, upper fixture;
130, middle fixture;
140, lower clamp.
Detailed description of the invention
For making the technical problems to be solved in the utility model, technical scheme and advantage clearly, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
The finite energy that the utility model consumes for existing steering column; crumple power cannot be controlled a less scope; steering column secondary crumple energy-absorbing cannot be ensured; most Impact energy is still by chaufeur own absorption; the problems such as well protection can not be formed chaufeur, a kind of steering column of collapse energy-absorption formula and the crushing test device of steering column are provided.
As shown in Figure 2, embodiment of the present utility model provides a kind of steering column of collapse energy-absorption formula, comprise steering column and turn to lower shaft 6, described steering column comprises the direction adjustment organization 5 turning to the upper mounting bracket 3 outside sleeve pipe 2 and lower mounting bracket 4 described in turning upward axis 1 and turning to sleeve pipe 2 and be welded in of inside and outside suit, be connected with described upper mounting bracket 3 by bearing pin, described in turn upward axis 1 and be connected with the described sleeve pipe 2 that turns to by upper and lower two bearings 8.
Described steering column is connected by universal-joint 7 with turning to lower shaft 6, described upper mounting bracket 3 and lower mounting bracket 4 and turn to the attachment force between sleeve pipe 2 to be less than the collision impact of vehicle;
Known to experience, described collision impact is generally 4900 ~ 5500N, so during the technical program design, and described upper mounting bracket and turn to the attachment force between sleeve pipe to be, described lower mounting bracket and turn to the attachment force between sleeve pipe to be 2500 ~ 3000N.
The described lower shaft 6 that turns to is provided with collapse energy-absorption structure 9, for turning to the tube wall of lower shaft 6 described at least one segment mesh engraved structure.In the present embodiment, the tube wall of the preferred two segment mesh engraved structures of described collapse energy-absorption structure, it is being collided deformation state when impacting as shown in Fig. 3 a ~ 3c, and Fig. 3 a is the schematic diagram before conquassation, Fig. 3 b is the schematic diagram in Collapse of Concrete, and Fig. 3 c is the schematic diagram after conquassation.
As shown in Figure 4, the utility model embodiment one also provides a kind of crushing test device of above-mentioned steering column, comprise tension-compression sensor 100, support plate 110, upper fixture 120, middle fixture 130 and lower clamp 140, described tension-compression sensor 100 is fixedly arranged on the upper end of described support plate 110.
Relatively described upper fixture 120 horizontal slip of described support plate 110 connects (sliding block joint or affixed?), the lower end of described upper fixture 120 is fixedly connected with the upper end turning upward axis 1.
Described in the profiling of described middle fixture 130, upper mounting bracket 3 welds with the described sleeve pipe 2 that turns to, and described in the profiling of described lower clamp 140, lower mounting bracket 4 welds with the described sleeve pipe 2 that turns to.
Described support plate 110 is by upper supporting plate, and lower carrier plate, the row's ball be provided with between upper and lower support plate is formed, and described lower carrier plate is fixedly connected with upper fixture, and described upper supporting plate is by the relatively described lower carrier plate horizontal slip of ball.
During test, described tension-compression sensor is applied with the downward pressure of 4900N, observes the conquassation of the steering column of collapse energy-absorption formula, energy-absorbing situation.
In the utility model, because turning upward axis and turning to sleeve pipe to connect into the steering column of rigid construction by bearing, the energy that collision produces can not be absorbed, when vehicle is subject to certain collision load, steering column entirety moves down, and the technical program carries out the design of intensity difference crash feature at upper mounting bracket and lower mounting bracket place, namely the collision impact being less than vehicle gone up mounting bracket and lower mounting bracket and turn to the attachment force between sleeve pipe to be designed, on under collision load effect, rupture in mounting bracket and lower mounting bracket place, steering column continues to move down, turn to the energy produced in the collapse energy-absorption structure double absorption collision process on lower shaft, avoid chaufeur directly and steering handwheel collide, reduce and the collision of chaufeur is injured, for chaufeur provides the space of existence.
The above is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. the steering column of a collapse energy-absorption formula, it is characterized in that, comprise steering column and turn to lower shaft, described steering column comprises turning upward axis and turning to sleeve pipe and turn to the upper mounting bracket of outside of sleeve and lower mounting bracket described in being fixed in of inside and outside suit, and described steering column is connected by universal-joint with turning to lower shaft; The described lower shaft that turns to is provided with collapse energy-absorption structure, and described collapse energy-absorption structure is for turning to the tube wall of lower shaft described at least one segment mesh engraved structure.
2. the steering column of collapse energy-absorption formula according to claim 1, is characterized in that, described steering column also comprises the direction adjustment organization be connected with described upper mounting bracket by bearing pin.
3. the steering column of collapse energy-absorption formula according to claim 1, is characterized in that, described in turn upward axis and be connected with the described sleeve pipe that turns to by upper and lower two bearings.
4. the steering column of collapse energy-absorption formula according to claim 1, is characterized in that, described upper mounting bracket and lower mounting bracket and the described sleeve pipe that turns to are welded to connect.
5. a crushing test device for steering column, is characterized in that,
Described steering column comprises: steering column and turn to lower shaft, described steering column comprises turning upward axis and turning to sleeve pipe and turn to the upper mounting bracket of outside of sleeve and lower mounting bracket described in being fixed in of inside and outside suit, and described steering column is connected by universal-joint with turning to lower shaft; The described lower shaft that turns to is provided with collapse energy-absorption structure, and described collapse energy-absorption structure is for turning to the tube wall of lower shaft described at least one segment mesh engraved structure;
Described crushing test device comprises tension-compression sensor, support plate, upper fixture, middle fixture and lower clamp, and described tension-compression sensor is fixedly arranged on the upper end of described support plate; The relatively described upper fixture horizontal slip of described support plate connects, and the lower end of described upper fixture is fixedly connected with the upper end turning upward axis; Described in described middle fixture profiling, upper mounting bracket welds with the described sleeve pipe that turns to, and described in described lower clamp profiling, lower mounting bracket welds with the described sleeve pipe that turns to.
6. the crushing test device of steering column according to claim 5, it is characterized in that, described support plate is by upper supporting plate, lower carrier plate, and the row's ball between upper and lower support plate is formed, described lower carrier plate is fixedly connected with upper fixture, and described upper supporting plate is by the relatively described lower carrier plate horizontal slip of ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420497350.9U CN204264249U (en) | 2014-08-29 | 2014-08-29 | The steering column of collapse energy-absorption formula and the crushing test device of steering column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420497350.9U CN204264249U (en) | 2014-08-29 | 2014-08-29 | The steering column of collapse energy-absorption formula and the crushing test device of steering column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204264249U true CN204264249U (en) | 2015-04-15 |
Family
ID=52799132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420497350.9U Expired - Fee Related CN204264249U (en) | 2014-08-29 | 2014-08-29 | The steering column of collapse energy-absorption formula and the crushing test device of steering column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204264249U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105752150A (en) * | 2016-02-24 | 2016-07-13 | 北京汽车研究总院有限公司 | Steering column device and automobile |
| CN106441862A (en) * | 2016-08-31 | 2017-02-22 | 重庆长安汽车股份有限公司 | Device for testing collapse performance of shaft assembly on steering column |
| CN106458244A (en) * | 2014-06-13 | 2017-02-22 | 日本精工株式会社 | Steering device |
| CN106596026A (en) * | 2016-12-08 | 2017-04-26 | 苏州世力源科技有限公司 | Automobile crumple type steering column impact test device and test method |
| CN107054441A (en) * | 2015-11-09 | 2017-08-18 | 福特全球技术公司 | Steering column with separation J sliding blocks |
| CN113928405A (en) * | 2021-11-27 | 2022-01-14 | 闫付运 | Steering tubular assembly capable of being compressed in collision mode |
| CN109733459B (en) * | 2019-03-13 | 2024-03-01 | 浙江万达汽车方向机有限公司 | Steering column for realizing secondary collapse structure and method thereof |
-
2014
- 2014-08-29 CN CN201420497350.9U patent/CN204264249U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106458244A (en) * | 2014-06-13 | 2017-02-22 | 日本精工株式会社 | Steering device |
| CN106458244B (en) * | 2014-06-13 | 2018-04-27 | 日本精工株式会社 | Transfer |
| CN107054441A (en) * | 2015-11-09 | 2017-08-18 | 福特全球技术公司 | Steering column with separation J sliding blocks |
| CN105752150A (en) * | 2016-02-24 | 2016-07-13 | 北京汽车研究总院有限公司 | Steering column device and automobile |
| CN106441862A (en) * | 2016-08-31 | 2017-02-22 | 重庆长安汽车股份有限公司 | Device for testing collapse performance of shaft assembly on steering column |
| CN106441862B (en) * | 2016-08-31 | 2018-10-19 | 重庆长安汽车股份有限公司 | A kind of device for testing axle assembly crumple performance on steering column |
| CN106596026A (en) * | 2016-12-08 | 2017-04-26 | 苏州世力源科技有限公司 | Automobile crumple type steering column impact test device and test method |
| CN106596026B (en) * | 2016-12-08 | 2023-12-26 | 苏州世力源科技有限公司 | Automobile collapsing steering column impact test device and test method |
| CN109733459B (en) * | 2019-03-13 | 2024-03-01 | 浙江万达汽车方向机有限公司 | Steering column for realizing secondary collapse structure and method thereof |
| CN113928405A (en) * | 2021-11-27 | 2022-01-14 | 闫付运 | Steering tubular assembly capable of being compressed in collision mode |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150415 |