CN104843049A - Drop-preventing steering column assembly - Google Patents
Drop-preventing steering column assembly Download PDFInfo
- Publication number
- CN104843049A CN104843049A CN201510297650.1A CN201510297650A CN104843049A CN 104843049 A CN104843049 A CN 104843049A CN 201510297650 A CN201510297650 A CN 201510297650A CN 104843049 A CN104843049 A CN 104843049A
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- fall
- section
- column
- slide block
- mounting bracket
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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
Technical field
The present invention relates to automobile steering system, particularly a kind of Anti-fall column assy.
Background technology
Car steering tube column plays a part to fixedly mount bearing circle, ensures that diversion order correctly can be passed to steering hardware by chaufeur, thus realizes 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', and wherein column mounting bracket 2' comprises column mounting bracket body 21' and is fixed on the slide block 23' on column mounting bracket body 21' by injection moulding pin 22'.When steering column 1' installs, the kidney-shaped mounting hole 231' of hold-down bolt (not shown) on slide block 23' passes, and matches with the mounting hole on automobile tube beam, thus is arranged on automobile tube beam by steering column 1'.
When human impact's bearing circle, there is crumple in steering column 1', and crumple power is passed to column mounting bracket body 21' by steering column 1', and because slide block 23' is fixed on automobile tube beam, therefore relative motion occurs slide block 23' and column mounting bracket body 21'.Along with crumple power increases gradually, the power that the link injection moulding pin 22' between slide block 23' and column mounting bracket body 21' is subject to also increases gradually.
When the power that injection moulding pin 22' is subject to is greater than its shear strength, injection moulding pin 22' ruptures, slide block 23' is separated with column mounting bracket body 21', namely steering column 1' is separated with automobile tube beam, now between steering column 1' and automobile tube beam without annexation, bearing circle and steering column 1' drop on automobile tube beam, can cause secondary injury to chaufeur.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of when steering column crumple, can prevent the Anti-fall column assy that steering column and automobile tube beam are separated completely, to avoid causing secondary injury to chaufeur.
For solving the problems of the technologies described above, Anti-fall column assy provided by the invention comprises steering column and column mounting bracket, wherein column mounting bracket comprises column mounting bracket body, injection moulding pin and slide block, described slide block is connected by described injection moulding pin and described column mounting bracket body, also comprise Anti-fall support, described Anti-fall support comprises Anti-fall rack body and Anti-fall portion; Described Anti-fall rack body comprises the positioning section, inverted sections and the construction section that connect in turn, and described positioning section and described slide block are connected; One end and the described column mounting bracket body in described Anti-fall portion are connected, and the other end and the described construction section in described Anti-fall portion are connected.
Preferably, described positioning section is provided with the Anti-fall rack mounting apertures corresponding with the kidney-shaped mounting hole of described slide block, and can with the location claw of the edges co-operate of described slide block.
Preferably, the junction rounding off between described positioning section and described inverted sections, and the angle of described positioning section and described inverted sections is 90 degree; Junction rounding off between described inverted sections and described construction section, and the angle of described inverted sections and described construction section is 90 degree.
Preferably, described Anti-fall portion comprises the canned paragraph fitted with the surface of described column mounting bracket body, and described canned paragraph is provided with fixed orifice.
More preferably, described Anti-fall portion also comprises the vertical section and linkage section that connect in turn, and described vertical section is connected with described canned paragraph, and described linkage section and described construction section are connected; Described canned paragraph and described linkage section parallel with described construction section, and described vertical section parallels with described inverted sections.
More preferably, described Anti-fall rack body is also provided with via hole, and described via hole extends to described construction section from described inverted sections; Described vertical section and described linkage section are arranged in described via hole, and described vertical section and described inverted sections in the same plane.
More preferably, described linkage section and described construction section not coplanar, and being provided with connecting strap between the edge of the edge of described linkage section and described via hole, the junction of described connecting strap and described via hole is provided with groove, and the height of described groove is less than the thickness of described construction section.
More preferably, also comprise and can match with described fixed orifice, described Anti-fall portion to be fixed on the fixing rivet on described column mounting bracket body, described linkage section is provided with rivet via hole.
Preferably, described Anti-fall support is formed in one structure.
Slide block and column mounting bracket body link together by the Anti-fall support of Anti-fall column assy provided by the invention, when slide block is separated with column mounting bracket body, Anti-fall support can effectively prevent steering column to be separated with automobile tube beam, thus avoid bearing circle and steering column to drop on automobile tube beam, thus reach the object avoided chaufeur secondary injury.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing column assy;
Fig. 2 is the partial, detailed view of Fig. 1;
Fig. 3 is that the A-A of Fig. 2 is 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 the constitution diagram of Anti-fall stent embodiment when steering column crumple of Anti-fall column assy of the present invention.
Indicate as follows in figure:
Steering column-1', column mounting bracket-2', column mounting bracket body-21', injection moulding pin-22', slide block-23', kidney-shaped mounting 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, location claw-3112, inverted sections-312, construction section-313, via hole-314, Anti-fall portion-32, canned paragraph-321, fixed orifice-3211, vertical section-322, linkage section-323, rivet via hole-3231, connecting strap-33, groove-331.
Detailed description of the invention
For enabling above-mentioned purpose, the feature and advantage of invention more become apparent, below the specific embodiment of the present invention is described in detail.
Set forth a lot of detail in the following description so that fully understand the present invention, but the present invention can also adopt other to be different from alternate manner described here to implement, those skilled in the art can when without prejudice to doing similar popularization when intension of the present invention, therefore the present invention is by the restriction of following public specific embodiment.
As shown in Figure 4 and Figure 5, Anti-fall column assy provided by the invention, comprise steering column 1 and column mounting bracket 2, wherein column mounting bracket 2 comprises column mounting bracket body 21, injection moulding pin (not shown) and slide block 22, described slide block 22 is connected by described injection moulding pin and described column mounting bracket body 21, it should be apparent to those skilled in the art that, the mode that this column mounting bracket body 21 is connected by injection moulding pin and slide block 22 is same as the prior art, slide block 22 is matched with the mounting hole in automobile tube beam (not shown) by hold-down bolt (not shown), thus steering column 1 is arranged on automobile tube beam,
Anti-fall column assy provided by the invention also comprises Anti-fall support 3, and described Anti-fall support 3 comprises Anti-fall rack body 31 and Anti-fall portion 32; Described Anti-fall rack body 31 comprises the positioning section 311, inverted sections 312 and the construction section 313 that connect in turn, and described positioning section 311 and described slide block 22 are connected, and is above-mentionedly connected that can to adopt be such as that the mode such as welding or bolt connection realizes;
One end and the described column mounting bracket body 21 in described Anti-fall portion 32 are connected, and the other end and the described construction section 313 in described Anti-fall portion 32 are connected, and are above-mentionedly connected that can to adopt be such as that welding or bolt connect or the mode such as one-body molded realizes.
One end and the column mounting bracket body 21 in the Anti-fall portion 32 of the Anti-fall support 3 of Anti-fall column assy provided by the invention are connected, namely Anti-fall support 3 and column mounting bracket body 21 are fixed together, positioning section 311 and the slide block 22 of the Anti-fall body 31 of Anti-fall support 3 are connected, namely Anti-fall support 3 is fixed together with slide block 22 and automobile tube beam, like this, slide block 22 and column mounting bracket body 21 link together by Anti-fall support 3.When the complete crumple of steering column, slide block 22 is separated with column mounting bracket body 21, slide block 22 and column mounting bracket body 21 can also link together by Anti-fall support 3, namely steering column 1 is also connected by Anti-fall support 3 with between automobile tube beam, bearing circle and steering column 1 can not drop completely on automobile tube beam, thus efficiently avoid and cause secondary injury to chaufeur.
Be positioned on slide block 22 to better Anti-fall support 3 be installed, described positioning section 311 is provided with the Anti-fall rack mounting apertures 3111 corresponding with the kidney-shaped mounting hole (not shown) of described slide block 22, and can with the location claw 3112 of the edges co-operate of described slide block 22, the structure of above-mentioned location claw 3112 can design according to the concrete shape of slide block 22, as long as can match Anti-fall support 3 to be positioned at the structure on slide block 22 with slide block 22, preferably, locate claw 3112 can be symmetrical arranged.
In order to ensure the self-strength of Anti-fall rack body 31 and improve its service life, the junction rounding off between described positioning section 311 and described inverted sections 312, and described positioning section 311 is 90 degree with the angle of described inverted sections 312; Junction rounding off between described inverted sections 312 and described construction section 313, and described inverted sections 312 is 90 degree with the angle of described construction section 313.
In a preferred embodiment of the invention, described Anti-fall portion 32 comprises the canned paragraph 321 fitted with the surface of described column mounting bracket body 21, described canned paragraph 321 is provided with fixed orifice 3211, like this, Anti-fall portion 32 is closely reliably fixed together with column mounting bracket body 21, thus plays steering column 1 Anti-fall function better.
Drop on automobile tube beam completely to avoid bearing circle and steering column 1 better, described Anti-fall portion 32 also comprises the vertical section 322 and linkage section 323 that connect in turn, described vertical section 322 is connected with described canned paragraph 321, and described linkage section 323 is connected with described construction section 313; Described canned paragraph 321 and described linkage section 323 parallel with described construction section 313, and described vertical section 322 parallels with described inverted sections 312.Certainly, canned paragraph 321 and the junction preferably rounding off vertically between section 322, the junction preferably rounding off between vertical section 322 and linkage section 323.When positioning section 311 is 90 degree with the angle of inverted sections 312, the angle of canned paragraph 321 and vertical section 322 is also 90 degree; When inverted sections 312 is 90 degree with the angle of construction section 313, vertical section 322 is also 90 degree with the angle of linkage section 323.
Further, described Anti-fall rack body 31 is also provided with via hole 314, described via hole 314 extends to described construction section 313 from described inverted sections 312; Described vertical section 322 and described linkage section 323 are arranged in described via hole 314, and described vertical section 322 is in the same plane with described inverted sections 312, drops on automobile tube beam completely to avoid bearing circle and steering column 1 better.
Further, described linkage section 323 is not coplanar with described construction section 313, and be provided with connecting strap 33 between the edge of described linkage section 323 and the edge of described via hole 314, described connecting strap 33 is provided with groove 331 with the junction of described via hole 314, and the height of described groove 331 is less than the thickness of described construction section 313.Like this, when steering column 1 crumple, the Anti-fall portion 32 linked together with column mounting bracket body 21 moves along the crumple direction of steering column 1, because connecting strap 33 and the junction of via hole 314 are provided with the groove 331 of the thickness being highly less than construction section 313, therefore the connecting strap 33 linked together with Anti-fall portion 32 is stressed to be easily separated along groove 331 with Anti-fall rack body 31 afterwards, thus Anti-fall portion 32 part is separated along connecting strap 33 with Anti-fall rack body 31, this set is conducive to preventing the too fast crumple of steering column 1, to avoid causing secondary injury to chaufeur.
As shown in Figure 6, in this embodiment, when there is crumple in steering column 1, the Anti-fall portion 32 linked together with column mounting bracket body 21 moves 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; Along with the continuation crumple of steering column 1, the crumple power passed over from column mounting bracket body 21 is passed to Anti-fall rack body 31 by Anti-fall portion 32, the now positioning section 311 of Anti-fall rack body 31 and inverted sections 312, angle between inverted sections 312 and construction section 313 changes, bearing circle and steering column 1 not only can be effectively avoided to drop on automobile tube beam completely, and be conducive to preventing the too fast crumple of steering column 1, avoid better causing secondary injury to chaufeur.
In another preferred embodiment of the present invention, Anti-fall support 3 also comprises and can match with described fixed orifice 3211, described Anti-fall portion 32 to be fixed on the fixing rivet (not shown) on described column mounting bracket body 21, described linkage section 323 is provided with rivet via hole 3231, like this, when installing fixing rivet, fixing rivet can pass in rivet via hole 3231, to facilitate the installation of fixing rivet.
In order to improve the intensity of Anti-fall support 3, simplify its preparation technology, described Anti-fall support 3 is formed in one structure.
Although the present invention is described in conjunction with above embodiment, but the present invention is not defined to above-described embodiment, and only by the restriction of claims, those of ordinary skill in the art can easily modify to it and change, but do not leave essential idea of the present invention and scope.
Claims (9)
1. an Anti-fall column assy, comprise steering column and column mounting bracket, wherein column mounting bracket comprises column mounting bracket body, injection moulding pin and slide block, described slide block is connected by described injection moulding pin and described column mounting bracket body, it is characterized in that, also comprise Anti-fall support, described Anti-fall support comprises Anti-fall rack body and Anti-fall portion; Described Anti-fall rack body comprises the positioning section, inverted sections and the construction section that connect in turn, and described positioning section and described slide block are connected; One end and the described column mounting bracket body in described Anti-fall portion are connected, and the other end and the described construction section in described Anti-fall portion are connected.
2. Anti-fall column assy according to claim 1, is characterized in that, described positioning section is provided with the Anti-fall rack mounting apertures corresponding with the kidney-shaped mounting hole of described slide block, and can with the location claw of the edges co-operate of described slide block.
3. Anti-fall column assy according to claim 1, is characterized in that, the junction rounding off between described positioning section and described inverted sections, and the angle of described positioning section and described inverted sections is 90 degree; Junction rounding off between described inverted sections and described construction section, and the angle of described inverted sections and described construction section is 90 degree.
4. Anti-fall column assy according to claim 1, is characterized in that, described Anti-fall portion comprises the canned paragraph fitted with the surface of described column mounting bracket body, and described canned paragraph is provided with fixed orifice.
5. Anti-fall column assy according to claim 4, is characterized in that, described Anti-fall portion also comprises the vertical section and linkage section that connect in turn, and described vertical section is connected with described canned paragraph, and described linkage section and described construction section are connected; Described canned paragraph and described linkage section parallel with described construction section, and described vertical section parallels with described inverted sections.
6. Anti-fall column assy according to claim 5, is characterized in that, described Anti-fall rack body is also provided with via hole, and described via hole extends to described construction section from described inverted sections; Described vertical section and described linkage section are arranged in described via hole, and described vertical section and described inverted sections in the same plane.
7. Anti-fall column assy according to claim 6, it is characterized in that, described linkage section and described construction section not coplanar, and be provided with connecting strap between the edge of the edge of described linkage section and described via hole, the junction of described connecting strap and described via hole is provided with groove, and the height of described groove is less than the thickness of described construction section.
8. Anti-fall column assy according to claim 4, it is characterized in that, also comprise and can match with described fixed orifice, described Anti-fall portion to be fixed on the fixing rivet on described column mounting bracket body, described linkage section is provided with rivet via hole.
9. according to the Anti-fall column assy described in any one of claim 1 to 8, it is characterized in that, described Anti-fall support is formed in one structure.
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 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510297650.1A CN104843049B (en) | 2015-06-02 | 2015-06-02 | Drop-preventing steering column assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104843049A true CN104843049A (en) | 2015-08-19 |
| CN104843049B CN104843049B (en) | 2017-03-22 |
Family
ID=53843139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510297650.1A Expired - Fee Related CN104843049B (en) | 2015-06-02 | 2015-06-02 | Drop-preventing steering column assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104843049B (en) |
Citations (7)
| 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 |
-
2015
- 2015-06-02 CN CN201510297650.1A patent/CN104843049B/en not_active Expired - Fee Related
Patent Citations (7)
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104843049B (en) | 2017-03-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant after: ANHUI JIANGHUAI AUTOMOBILE GROUP Corp.,Ltd. Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant before: ANHUI JIANGHUAI AUTOMOBILE Co.,Ltd. |
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| 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: 20170322 |