CN104843049B - Drop-preventing steering column assembly - Google Patents

Drop-preventing steering column assembly Download PDF

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Publication number
CN104843049B
CN104843049B CN201510297650.1A CN201510297650A CN104843049B CN 104843049 B CN104843049 B CN 104843049B CN 201510297650 A CN201510297650 A CN 201510297650A CN 104843049 B CN104843049 B CN 104843049B
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CN
China
Prior art keywords
fall
section
column
slide block
mounting bracket
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201510297650.1A
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Chinese (zh)
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CN104843049A (en
Inventor
肖文
曹超峰
汪朋
黄福龙
杨华兴
唐学东
丁玲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Jianghuai Automobile Group Corp
Original Assignee
Anhui Jianghuai Automobile Group Corp
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Filing date
Publication date
Application filed by Anhui Jianghuai Automobile Group Corp filed Critical Anhui Jianghuai Automobile Group Corp
Priority to CN201510297650.1A priority Critical patent/CN104843049B/en
Publication of CN104843049A publication Critical patent/CN104843049A/en
Application granted granted Critical
Publication of CN104843049B publication Critical patent/CN104843049B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention provides a drop-preventing steering column assembly. The drop-preventing steering column assembly comprises a steering column, a column mounting support and a drop-preventing support. The column mounting support comprises a column mounting support body, an injection molding pin and a slide block, wherein the slide block is fixedly connected with the column mounting support body through the injection molding pin. The drop-preventing support comprises a drop-preventing support body and a drop-preventing portion, the drop-preventing support body comprises a positioning section, a turnover section and a mounting section which are in sequential connection, the positioning section is fixedly connected with the slide block, one end of the drop-preventing portion is fixedly connected with the column mounting support body, and the other end of the drop-preventing portion is fixedly connected with the mounting section. The drop-preventing steering column assembly has the advantages that since the drop-preventing support of the drop-preventing steering column assembly connects the slide block with the column mounting support body, when the slide block is separated from the column mounting support body, the drop-preventing support is capable of preventing the steering column from being separated from an automobile tubular beam effectively, a steering wheel and the steering column are prevented from dropping from the automobile tubular beam, and further, secondary harm to a driver is avoided.

Description

A kind of Anti-fall column assy
Technical field
The present invention relates to automobile steering system, more particularly to a kind of Anti-fall column assy.
Background technology
Car steering tube column plays a part of to fixedly mount steering wheel, it is ensured that diversion order correctly can be passed by driver Steering mechanism is passed, so as to realize the turning function of car load.
As shown in Figure 1 to Figure 3, existing steering column 1' is fixedly mounted on automobile tube beam by column mounting bracket 2' On, wherein column mounting bracket 2' includes column mounting bracket body 21' and is fixed on column mounting bracket by being molded pin 22' Slide block 23' on body 21'.When steering column 1' is installed, kidney-shaped of the installation bolt (not shown) from slide block 23' is installed Hole 231' is passed through, and is engaged with the installing hole on automobile tube beam, so as to steering column 1' is arranged on automobile tube beam.
When human impact's steering wheel, there is crumple in steering column 1', and crumple power is passed to tubing string peace by steering column 1' Dress rack body 21', as slide block 23' is fixed on automobile tube beam, therefore slide block 23' and column mounting bracket body 21' sends out Raw relative motion.Connection member injection as crumple power gradually increases, between slide block 23' and column mounting bracket body 21' The power that pin 22' is subject to also gradually increases.
When the power that injection pin 22' is subject to is more than its shear strength, 22' fractures, slide block 23' and column mounting bracket are sold in injection Body 21' is separated, i.e. steering column 1' is separated with automobile tube beam, now connectionless pass between steering column 1' and automobile tube beam System, steering wheel and steering column 1' drop from automobile tube beam, can cause secondary injury to driver.
The content of the invention
The technical problem to be solved in the present invention is to provide one kind in steering column crumple, can prevent steering column and vapour The Anti-fall column assy that car Guan Liang is kept completely separate, to avoid causing secondary injury to driver.
For solving above-mentioned technical problem, the Anti-fall column assy that the present invention is provided includes steering column and tubing string peace Dress support, wherein column mounting bracket include column mounting bracket body, injection pin and slide block, and the slide block is by the injection Pin is connected with the column mounting bracket body, and also including Anti-fall support, the Anti-fall support includes Anti-fall support sheet Body and Anti-fall portion;The Anti-fall rack body includes positioning section, inverted sections and the construction section being sequentially connected with, the positioning section It is connected with the slide block;The one end in the Anti-fall portion and the column mounting bracket body are connected, the Anti-fall portion it is another One end is connected with the construction section.
Preferably, it is provided with the Anti-fall support corresponding with the kidney-shaped installing hole of the slide block to install on the positioning section Hole, and the positioning claw that can be engaged with the edge of the slide block.
Preferably, the junction rounding off between the positioning section and the inverted sections, and the positioning section with it is described The angle of inverted sections is 90 degree;Junction rounding off between the inverted sections and the construction section, and the inverted sections with The angle of the construction section is 90 degree.
Preferably, the Anti-fall portion includes the canned paragraph that the surface with the column mounting bracket body fits, institute State.
It is highly preferred that the Anti-fall portion also includes the vertical section that is sequentially connected with and linkage section, the vertical section with it is described Canned paragraph is connected, and the linkage section is connected with the construction section;The canned paragraph and the linkage section and the construction section phase Parallel, the vertical section is parallel with the inverted sections.
It is highly preferred that being additionally provided with via hole on the Anti-fall rack body, the via hole prolongs from the inverted sections Extend the construction section;The vertical section and the linkage section are located in the via hole, and the vertical section and the turnover Section is in the same plane.
It is highly preferred that the linkage section is non-coplanar with the construction section, and the edge of the linkage section and the via hole Edge between be provided with connection sheet, the connection sheet and the junction of the via hole arrange fluted, the height of the groove Thickness of the degree less than the construction section.
It is highly preferred that also including to be engaged with the fixing hole, the Anti-fall portion is fixed on into the tubing string peace Fixing rivet on dress rack body, is provided with rivet via on the linkage section.
Preferably, the Anti-fall support is formed in one structure.
Slide block and column mounting bracket body are connected by the Anti-fall support of the Anti-fall column assy that the present invention is provided It is connected together, when slide block is separated with column mounting bracket body, Anti-fall support can effectively prevent steering column and automobile pipe Beam is separated, and so as to avoid steering wheel and steering column from dropping from automobile tube beam, is avoided to driver's secondary injury so as to reach Purpose.
Description of the drawings
Fig. 1 is the structural representation of existing column assy;
Partial, detailed views of the Fig. 2 for Fig. 1;
Fig. 3 is the A-A of Fig. 2 to cut-away view;
Fig. 4 is the structural representation of Anti-fall column assy embodiment of the present invention;
Fig. 5 is the structural representation of the Anti-fall stent embodiment of Anti-fall column assy of the present invention;
Fig. 6 is state of the Anti-fall stent embodiment of Anti-fall column assy of the present invention in steering column crumple Figure.
Indicate in figure as follows:
Steering column -1', column mounting bracket -2', column mounting bracket body -21' are molded pin -22', slide block -23', Kidney-shaped installing hole -231', steering column -1, column mounting bracket -2, column mounting bracket body -21, slide block -22, Anti-fall Support -3, Anti-fall rack body -31, positioning section -311, Anti-fall rack mounting apertures -3111 position claw -3112, turnover Section -312, construction section -313, via hole -314, Anti-fall portion -32, canned paragraph -321, fixing hole -3211, vertical section -322, even Connect section -323, rivet via -3231, connection sheet -33, groove -331.
Specific embodiment
It is understandable for enabling the above-mentioned purpose of invention, feature and advantage to become apparent from, below the present invention is embodied as Mode is described in detail.
Many details are elaborated in the following description in order to fully understand the present invention, but the present invention can be with It is different from alternate manner described here to implement using other, those skilled in the art can be without prejudice to intension of the present invention In the case of do similar popularization, therefore the present invention is not limited by following public specific embodiment.
As shown in Figure 4 and Figure 5, the Anti-fall column assy that the present invention is provided, installs including steering column 1 and tubing string Support 2, wherein column mounting bracket 2 include column mounting bracket body 21, injection pin (not shown) and slide block 22, described Slide block 22 is connected with the column mounting bracket body 21 by the injection pin, it will be apparent to those skilled in the art that this Column mounting bracket body 21 is same as the prior art by way of being molded pin and being connected with slide block 22, and slide block 22 is by installing spiral shell Bolt (not shown) is engaged with the installing hole in automobile tube beam (not shown), so as to steering column 1 is arranged on vapour On car Guan Liang;
The Anti-fall column assy that the present invention is provided also includes Anti-fall support 3, and the Anti-fall support 3 includes preventing Drop rack body 31 and Anti-fall portion 32;The Anti-fall rack body 31 includes the positioning section 311, inverted sections being sequentially connected with 312 and construction section 313, the positioning section 311 is connected with the slide block 22, and above-mentioned being connected can be connected using e.g. welding or bolt The mode such as connect to realize;
The one end in the Anti-fall portion 32 and the column mounting bracket body 21 are connected, the Anti-fall portion 32 it is another End is connected with the construction section 313, and above-mentioned being connected using e.g. welding or bolt connection or the mode such as can be integrally formed and realize.
Pacify with tubing string the one end in the Anti-fall portion 32 of the Anti-fall support 3 of the Anti-fall column assy that the present invention is provided Dress rack body 21 be connected, i.e., Anti-fall support 3 is fixed together with column mounting bracket body 21, Anti-fall support 3 prevent Drop the positioning section 311 of body 31 and slide block 22 be connected, i.e., Anti-fall support 3 is fixed together with slide block 22 and automobile tube beam, So, slide block 22 and column mounting bracket body 21 are linked together by Anti-fall support 3.When the complete crumple of steering column, Slide block 22 is separated with column mounting bracket body 21, and Anti-fall support 3 can also be by slide block 22 and column mounting bracket body 21 Link together, i.e., also connected by Anti-fall support 3 between steering column 1 and automobile tube beam, steering wheel and steering column 1 are not Can drop from automobile tube beam completely, secondary injury is caused to driver so as to efficiently avoid.
In order to preferably by Anti-fall support 3 install be positioned on slide block 22, be provided with the positioning section 311 with it is described The corresponding Anti-fall rack mounting apertures 3111 of the kidney-shaped installing hole (not shown) of slide block 22, and can be with the slide block 22 The positioning claw 3112 that is engaged of edge, the structure of above-mentioned positioning claw 3112 can be designed according to the concrete shape of slide block 22, As long as can be engaged for Anti-fall support 3 to be positioned at the structure on slide block 22 with slide block 22, it is preferable that locator card Pawl 3112 can be symmetrical arranged.
In order to ensure the self-strength of Anti-fall rack body 31 and improve its service life, the positioning section 311 with Junction rounding off between the inverted sections 312, and the positioning section 311 is 90 degree with the angle of the inverted sections 312; Junction rounding off between the inverted sections 312 and the construction section 313, and the inverted sections 312 and the construction section 313 angle is 90 degree.
In a preferred embodiment of the invention, the Anti-fall portion 32 includes and the column mounting bracket body 21 The canned paragraph 321 that fits of surface, be provided with fixing hole 3211 on the canned paragraph 321, so, Anti-fall portion 32 closely may be used It is fixed together with column mounting bracket body 21 by ground, so as to preferably play 1 anti-lost drop of steering column.
In order to preferably avoid steering wheel and steering column 1 from dropping from automobile tube beam completely, the Anti-fall portion 32 is also Including the vertical section 322 and linkage section 323 that are sequentially connected with, the vertical section 322 is connected with the canned paragraph 321, the company Connect section 323 to be connected with the construction section 313;The canned paragraph 321 and the linkage section 323 are parallel with the construction section 313, The vertical section 322 is parallel with the inverted sections 312.Certainly, the junction between canned paragraph 321 and vertical section 322 is preferred Ground rounding off, the preferably rounding off of the junction between vertical section 322 and linkage section 323.When positioning section 311 and inverted sections When 312 angle is 90 degree, the angle of canned paragraph 321 and vertical section 322 is also 90 degree;The folder of inverted sections 312 and construction section 313 When angle is 90 degree, vertical section 322 is also 90 degree with the angle of linkage section 323.
Further, it is additionally provided with via hole 314 on the Anti-fall rack body 31, the via hole 314 is from described Inverted sections 312 extend to the construction section 313;The vertical section 322 and the linkage section 323 are located in the via hole 314, And the vertical section 322 is in the same plane with the inverted sections 312, preferably to avoid steering wheel and steering column 1 complete Drop from automobile tube beam entirely.
Further, the linkage section 323 is non-coplanar with the construction section 313, and the edge of the linkage section 323 with Connection sheet 33 is provided between the edge of the via hole 314, and the connection sheet 33 is arranged with the junction of the via hole 314 Fluted 331, the height of the groove 331 is less than the thickness of the construction section 313.So, when 1 crumple of steering column, with The Anti-fall portion 32 that column mounting bracket body 21 links together is moved along the crumple direction of steering column 1, due to connection The junction of piece 33 and via hole 314 is provided with groove 331 of the height less than the thickness of construction section 313, thus with Anti-fall portion Separate with Anti-fall rack body 31 readily along groove 331 after 32 33 stress of connection sheet for linking together, so as to Anti-fall 32 part of portion is separated along connection sheet 33 with Anti-fall rack body 31, and this set desirably prevents steering column 1 too fast routed Contracting, to avoid causing secondary injury to driver.
As shown in Figure 6, in this embodiment, when steering column 1 occurs crumple, connect with column mounting bracket body 21 The Anti-fall portion 32 being connected together is moved along the crumple direction of steering column 1, the canned paragraph 321 in Anti-fall portion 32 and vertical section 322, the angle between vertical section 322 and linkage section 323 changes;With the continuation crumple of steering column 1, Anti-fall portion 32 The crumple power passed over from column mounting bracket body 21 is passed to into Anti-fall rack body 31, now Anti-fall support sheet The positioning section 311 and inverted sections 312 of body 31, the angle between inverted sections 312 and construction section 313 change, not only can be effective Avoid steering wheel and steering column 1 from dropping from automobile tube beam completely, and desirably prevent 1 too fast crumple of steering column, Preferably avoid causing secondary injury to driver.
In another preferred embodiment of the present invention, Anti-fall support 3 also includes to be engaged with the fixing hole 3211, So that the Anti-fall portion 32 is fixed on the fixing rivet (not shown) on the column mounting bracket body 21, the company Connect, so, when fixing rivet is installed, fixing rivet can be from rivet via 3231 Pass through, to facilitate the installation of fixing rivet.
In order to improve the intensity of Anti-fall support 3, simplify its preparation technology, the Anti-fall support 3 is formed in one knot Structure.
Although the present invention is described with reference to above example, the present invention is not limited to above-described embodiment, And be only defined by the appended claims, those of ordinary skill in the art easily can modify and change to which, but and Essential idea and scope without departing from the present invention.

Claims (8)

1. a kind of Anti-fall column assy, including steering column and column mounting bracket, wherein column mounting bracket includes Column mounting bracket body, injection pin and slide block, the slide block are solid with the column mounting bracket body by the injection pin Even, it is characterised in that also including Anti-fall support, the Anti-fall support includes Anti-fall rack body and Anti-fall portion;Institute Positioning section, inverted sections and construction section that Anti-fall rack body includes being sequentially connected with is stated, the positioning section is connected with the slide block; The one end in the Anti-fall portion is connected with the column mounting bracket body, the other end and the construction section in the Anti-fall portion It is connected;The Anti-fall portion includes the canned paragraph that the surface with the column mounting bracket body fits, on the canned paragraph It is provided with fixing hole.
2. Anti-fall column assy according to claim 1, it is characterised in that be provided with the positioning section and institute State the corresponding Anti-fall rack mounting apertures of the kidney-shaped installing hole of slide block, and the positioning that can be engaged with the edge of the slide block Claw.
3. Anti-fall column assy according to claim 1, it is characterised in that the positioning section and the inverted sections Between junction rounding off, and the positioning section is 90 degree with the angle of the inverted sections;The inverted sections and the peace Junction rounding off between dress section, and the inverted sections are 90 degree with the angle of the construction section.
4. Anti-fall column assy according to claim 1, it is characterised in that the Anti-fall portion is also included sequentially The vertical section of connection and linkage section, the vertical section are connected with the canned paragraph, and the linkage section is connected with the construction section; The canned paragraph and the linkage section are parallel with the construction section, and the vertical section is parallel with the inverted sections.
5. Anti-fall column assy according to claim 4, it is characterised in that on the Anti-fall rack body also Via hole is provided with, the via hole extends to the construction section from the inverted sections;The vertical section and the connection section In the via hole, and the vertical section is in the same plane with the inverted sections.
6. Anti-fall column assy according to claim 5, it is characterised in that the linkage section and the construction section It is non-coplanar, and between the edge of the edge of the linkage section and the via hole, be provided with connection sheet, the connection sheet with it is described The junction of via hole arranges fluted, and the height of the groove is less than the thickness of the construction section.
7. Anti-fall column assy according to claim 1, it is characterised in that also including can be with the fixing hole phase Coordinate, the Anti-fall portion is fixed on into the fixing rivet on the column mounting bracket body, arrange on the linkage section There is rivet via.
8. according to the Anti-fall column assy described in any one of claim 1 to 7, it is characterised in that the Anti-fall Support is formed in one structure.
CN201510297650.1A 2015-06-02 2015-06-02 Drop-preventing steering column assembly Expired - Fee Related CN104843049B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510297650.1A CN104843049B (en) 2015-06-02 2015-06-02 Drop-preventing steering column assembly

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Application Number Priority Date Filing Date Title
CN201510297650.1A CN104843049B (en) 2015-06-02 2015-06-02 Drop-preventing steering column assembly

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CN104843049A CN104843049A (en) 2015-08-19
CN104843049B true CN104843049B (en) 2017-03-22

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06227404A (en) * 1993-02-04 1994-08-16 Mazda Motor Corp Steering shaft of vehicle
CN202491832U (en) * 2012-03-14 2012-10-17 上海蒂森克虏伯汇众汽车零部件有限公司 Falling prevention device for automobile steering pipe column in steering collision
CN102837724A (en) * 2012-08-27 2012-12-26 上海采埃孚转向系统有限公司 Collapsing anti-falling mechanism for automotive steering column
CN202783335U (en) * 2012-07-18 2013-03-13 奇瑞汽车股份有限公司 Collision anti-shedding mechanism for steering column
CN203854711U (en) * 2014-03-31 2014-10-01 奇瑞汽车股份有限公司 Steering tubular column collapse anti-falling mechanism and steering system
CN204095870U (en) * 2014-08-29 2015-01-14 浙江吉利控股集团有限公司 A kind of escapement of car steering tube column
CN204641862U (en) * 2015-06-02 2015-09-16 安徽江淮汽车股份有限公司 A kind of Anti-fall column assy

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06227404A (en) * 1993-02-04 1994-08-16 Mazda Motor Corp Steering shaft of vehicle
CN202491832U (en) * 2012-03-14 2012-10-17 上海蒂森克虏伯汇众汽车零部件有限公司 Falling prevention device for automobile steering pipe column in steering collision
CN202783335U (en) * 2012-07-18 2013-03-13 奇瑞汽车股份有限公司 Collision anti-shedding mechanism for steering column
CN102837724A (en) * 2012-08-27 2012-12-26 上海采埃孚转向系统有限公司 Collapsing anti-falling mechanism for automotive steering column
CN203854711U (en) * 2014-03-31 2014-10-01 奇瑞汽车股份有限公司 Steering tubular column collapse anti-falling mechanism and steering system
CN204095870U (en) * 2014-08-29 2015-01-14 浙江吉利控股集团有限公司 A kind of escapement of car steering tube column
CN204641862U (en) * 2015-06-02 2015-09-16 安徽江淮汽车股份有限公司 A kind of Anti-fall column assy

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Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669

Applicant after: ANHUI JIANGHUAI AUTOMOBILE GROUP Corp.,Ltd.

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