CN102963412B - Transformable scroll crumple structure for automobile steering column - Google Patents
Transformable scroll crumple structure for automobile steering column Download PDFInfo
- Publication number
- CN102963412B CN102963412B CN201210510901.6A CN201210510901A CN102963412B CN 102963412 B CN102963412 B CN 102963412B CN 201210510901 A CN201210510901 A CN 201210510901A CN 102963412 B CN102963412 B CN 102963412B
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- China
- Prior art keywords
- upper bracket
- scrollwork
- scroll
- steering column
- mounting blocks
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- 239000003292 glue Substances 0.000 claims description 7
- 238000009434 installation Methods 0.000 abstract description 8
- 238000001746 injection moulding Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Steering Controls (AREA)
Abstract
The invention provides a transformable scroll crumple structure for an automobile steering column. The transformable scroll crumple structure comprises an upper bracket, an elastic scroll sheet, and an installation block, wherein the steering column is circularly buckled by the middle part of the upper bracket, the upper end of each of the left and right parts of the upper bracket is provided with an opening from the edge towards the interior along the axial direction of the steering column, and the lower end of each of the left and right parts of the upper bracket is provided with a contact plate which is provided with a limit hole vertical to the axial direction of the steering column, the upper end of the elastic scroll sheet is a fixed end and the lower end of the elastic scroll sheet adopts a scroll structure, the outer wall of the installation block is in interference fit with the openings of the upper bracket, the installation block is fixedly connected with a pipe beam, the fixed end of the elastic scroll sheet is fixedly connected with the installation block or the pipe beam, and the elastic scroll sheet passes through the limit hole. The scroll crumple structure provided by the invention can meet the requirement of the lower crumple force, and is simple in structure and flexible to arrange.
Description
Technical field
The present invention relates to a kind of car steering tube column collapsing structure, particularly relate to a kind of changeable-shaped collapsing structure of car steering tube column.
Background technology
Steering column has crumple to protect the function of chaufeur.When automobile is hit, suddenly stop, chaufeur knocks bearing circle under the effect of inertia, tubing string generation relative displacement below bearing circle, can crumple, wherein crumple generally divides three phases, and first stage is interior tubing string, outer tubing string (having installed stainless ripple nest) relative displacement, absorbs the power of about 800N ~ 2000N; Subordinate phase is anchor point (band injection moulding) crumple of tubing string upper bracket and mounting blocks; Finally lower shaft is relatively turned to produce the crumples such as displacement for turning upward axis.Orthodox car steering column is generally the tear-away structure of injection moulding pin aluminium block at the collapsing structure of subordinate phase; it adopts injected plastics material aluminium block and steering column upper bracket to be combined; when steering column is subject to impulsive force; the material power that aluminium block overcomes injection moulding pin splits away off from upper bracket; injection moulding pin is cut off absorption energy, thus provides the effect of safety guard-safeguard for chaufeur.
Along with the raising gradually that people are familiar with vehicle safety, require that steering column can crumple under lower impact effect, and the injection moulding pin of conventional confguration only just can be cut off crumple when impact is larger, can not meet the requirement of lower crumple power; Simultaneously conventional confguration aluminium block when crumple comes off from the upper bracket of steering column, and steering column will be caused to come off from Guan Liang and cause secondary injury to human knee, safety is low.
Summary of the invention
In order to the collapsing structure solving existing steering column can not realize needing low crumple power to ensure safe problem, the invention provides a kind of scrollwork collapsing structure of car steering tube column, it can meet the requirement of lower crumple power, and structure is simple, flexible arrangement.
The technical scheme solved the problem is as follows:
A changeable-shaped scrollwork collapsing structure for car steering tube column, comprising:
Upper bracket, the centre portion latch closure steering column of described upper bracket, along steering column axial direction, the upper end of the left-right parts of described upper bracket has the gap inside from edge respectively, lower end has contact plate respectively, and described contact plate has the spacing hole vertical with described steering column axial direction;
Elasticity scrollwork sheet, its upper end is fixed end, and lower end is structure of scroll, and the end of described structure of scroll has position limiting structure;
Mounting blocks;
The outer wall of described mounting blocks and the gap interference fit of described upper bracket, described mounting blocks is fixedly connected with Guan Liang, and the fixed end of described elasticity scrollwork sheet is fixedly connected with described mounting blocks or described Guan Liang, and described elasticity scrollwork sheet is through described spacing hole.
Selectable, described gap is square.
Selectable, described position limiting structure is the positive stop hook that the end of described structure of scroll is bent to form.
Selectable, be bolted between described elasticity scrollwork sheet, described mounting blocks, described Guan Liang.
Selectable, described elasticity scrollwork sheet and described upper bracket have knock hole respectively, and locating glue is stifled through described knock hole.
By the outer wall of mounting blocks and the gap interference fit of upper bracket, contact plate contacts with structure of scroll, when occurring to clash into, time stressed, upper bracket slides axially along tubing string, be separated with the outer wall of mounting blocks, the stressed generation crumple of elasticity scrollwork sheet, the distortion of structure of scroll, absorb energy process longer for perdurability, and self has elasticity, the power that can bear is a value range, than existing injection moulding latch structure crumple better effects if, achieve the requirement that namely crumple occurs steering column lower crumple power, adopt interference fit relative to existing Shooting Technique simultaneously, simple for assembly process.
Further, the gap of upper bracket upper end is square, is separated with mounting blocks by being convenient to after axial force.
Further, the position limiting structure of structure of scroll end can stop upper bracket to fall, and guarantees safety.
Further, position limiting structure is the positive stop hook that the end of structure of scroll is bent to form, easy to process.
Further, be bolted between elasticity scrollwork sheet, mounting blocks, Guan Liang, mounting or dismounting are convenient, connection is reliable.
Further, elasticity scrollwork sheet is positioned on upper bracket by locating glue is stifled, has positioning action, is convenient to transport simultaneously, installs.
Accompanying drawing explanation
Fig. 1 is the scheme of installation of the changeable-shaped scrollwork collapsing structure of the embodiment of the present invention;
Fig. 2 is the partial enlarged drawing (during normal condition) of the changeable-shaped scrollwork collapsing structure of the embodiment of the present invention;
Fig. 3 is the A-A section-drawing (during normal condition) of Fig. 2;
Fig. 4 is the A-A section-drawing (when there is crumple) of Fig. 2.
Nomenclature: 1-elasticity scrollwork sheet 11-structure of scroll 12-positive stop hook 13-knock hole 2-upper bracket 21-contact plate 22-gap 23-spacing hole 24-knock hole 3-mounting blocks 4-steering column 5-pipe beam 6-locating glue blocks up
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention will be described.
In system of axes illustrated in the accompanying drawings, X represents laterally, i.e. upper bracket Width; Z represents vertical direction, namely vertical with bearing circle, along the direction of steering column axis.Those of ordinary skill in the art can understand, and the term " upper end " adopted in this specification sheets, " lower end " refer to along the relative position relation on steering column axial direction; " left and right ", " centre " refer to horizontal relative position relation, and " width " refers to lateral extension.
Fig. 1 is the scheme of installation of the changeable-shaped scrollwork collapsing structure of the embodiment of the present invention.As shown in Figure 1, the scrollwork collapsing structure of car steering tube column, comprising: elasticity scrollwork sheet 1, upper bracket 2, mounting blocks 3.The centre portion latch closure steering column 4 of upper bracket 2, left-right parts is fixed with pipe beam 5 respectively.Centre portion refers to that upper bracket 2 radial direction fixes the part of steering column 4.In the present embodiment, upper bracket 2 is that two stringer boards and a transverse slat are bolted steering column 4 latch closure to live, and those of ordinary skill in the art can imagine easily, and upper bracket 2 can also be lived by direct for steering column 4 latch closure by a bent plate; Left-right parts refers to the part that upper bracket 2 is positioned at steering column 4 left and right sides, contacts with pipe beam 5 respectively.The outer wall of mounting blocks 3 and gap 22 interference fit of upper bracket 2, mounting blocks 3 is fixedly connected with pipe beam 5, and elasticity scrollwork sheet 1 is fixedly connected with mounting blocks 3 or pipe beam 5, and elasticity scrollwork sheet 1 is through spacing hole 23.
Preferably, mounting blocks 3 and pipe beam 5, elasticity scrollwork sheet 1 and mounting blocks 3, or mounting blocks 3 is connected with the bolt that is fixedly connected as between pipe beam 5 with pipe beam 5, elasticity scrollwork sheet 1.Those of ordinary skill in the art can easily imagine, the connection of mounting blocks 3 and pipe beam 5, elasticity scrollwork sheet 1 and mounting blocks 3 or pipe beam 5 can by welding, riveting, the mode such as bonding, bolt connection realizes.But bolt connects better, mounting or dismounting are convenient, connection is reliable.In the present embodiment, adopt a bolt through elasticity scrollwork sheet 1, mounting blocks 3, pipe beam 5, be fixed on pipe beam 5 by elasticity scrollwork sheet 1, mounting blocks 3, structure is simple, easy for installation.
As shown in Figure 2, upper bracket 2 is along steering column axial direction, and the upper end of left-right parts has the gap 22 inside from edge respectively, and lower end has contact plate 21 respectively, and contact plate 21 has the spacing hole 23 vertical with steering column 4 axial direction.The upper end of elasticity scrollwork sheet 1 is fixed end, and the curling multi-turn in lower end forms structure of scroll 11.Upper bracket 2 inserts mounting blocks 3, the outer wall of mounting blocks 3 and gap 22 interference fit of upper bracket 2, elasticity scrollwork sheet 1 through the spacing hole 23 of upper bracket 2, the fixed end of upper end and pipe beam 5 or mounting blocks 3 fixing, fixed end and structure of scroll 11 are distributed in the both sides of contact plate 21.
Preferably, gap 22 is square.Those of ordinary skill in the art can easily imagine, gap 22 shape can be the shapes such as U-shaped, semicircle, square, V-arrangement, but adopts square gap, is separated with mounting blocks by being convenient to after axial force, and easy to process.
As shown in Figure 3, preferably, the end of structure of scroll 11 has position limiting structure, and position limiting structure is the positive stop hook 12 that structure of scroll end is bent to form.This position limiting structure can prevent upper bracket 2 to fall the secondary injury caused human body.Those of ordinary skill in the art can imagine easily, and position limiting structure can also be that thickness that local increases elasticity scrollwork sheet makes it block contact plate 21 and the arbitrary structures that do not depart from spacing hole 23.In the present embodiment, the position limiting structure of elasticity scrollwork sheet 1 is the positive stop hook 12 that its end is bent to form, easy to process.
Preferably, elasticity scrollwork sheet 1 and upper bracket 2 have knock hole 13, knock hole 24 respectively, and locating glue stifled 6 is through knock hole 13, knock hole 24.The realizations such as those of ordinary skill in the art can easily imagine, locating dowel pin can be passed through in the location between elasticity scrollwork sheet 1 and upper bracket 2, locating glue blocks up.But it is better to adopt locating glue stifled 6 to be navigated to by elasticity scrollwork sheet 1 on upper bracket 2, and elastomeric material is easy for installation, is convenient to transport simultaneously, and occur there is buffer action when clashing into.
As shown in Figure 4, when occurring to clash into, the outer wall of mounting blocks 3 is separated with the gap 22 of upper bracket 2, and upper bracket 2 is along steering column 4 axial motion, and elasticity scrollwork sheet 1 is by the power effect of contact plate 21, and structure of scroll 11 is stressed and distortion absorbs energy.Existing for requiring the injection moulding latch structure of larger crumple power, injection moulding pin is cut off the larger power of needs, and this endergonic process is of short duration.By contrast, changeable-shaped scrollwork collapsing structure of the present invention is when stressed, when by low-force, upper bracket 2 is separated with the Fit of mounting blocks 3, has that elastomeric structure of scroll is stressed to deform subsequently, structure of scroll is curled a few in length, therefore scrollwork part all can stressedly deform, and this endergonic process is longer for perdurability, endergonic better effects if, and the application force that can bear is not certain fixed value, but a scope; Positive stop hook 12 blocks contact plate 21 and upper bracket 2 is not come off simultaneously, still can fix steering column 4, thus ensures the safety of chaufeur.
Mounting blocks 3 and the interference fit of upper bracket 2, need meet: when minimum crumple power, mounting blocks 3 is separated with upper bracket 2.The intensity of the structure of scroll 11 of elasticity scrollwork sheet 1, need meet: when maximum crumple power, positive stop hook 12 blocks contact plate 21 and upper bracket 2 is not come off.Regulate the magnitude of interference of mounting blocks 3 and upper bracket 2, and number, thickness, width, the material of elasticity scrollwork sheet, just can reach the crumple power of needs.
Although the present invention is described in conjunction with above embodiment, but the present invention is not limited 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 (5)
1. a changeable-shaped scrollwork collapsing structure for car steering tube column, comprising:
Upper bracket, the centre portion latch closure steering column of described upper bracket, along steering column axial direction, the upper end of the left-right parts of described upper bracket has the gap inside from edge respectively, lower end has contact plate respectively, and described contact plate has the spacing hole vertical with described steering column axial direction;
Elasticity scrollwork sheet, its upper end is fixed end, and lower end is structure of scroll, and the end of described structure of scroll has position limiting structure;
Mounting blocks;
The outer wall of described mounting blocks and the gap interference fit of described upper bracket, described mounting blocks is fixedly connected with Guan Liang, and the fixed end of described elasticity scrollwork sheet is fixedly connected with described mounting blocks or described Guan Liang, and described elasticity scrollwork sheet is through described spacing hole.
2. the changeable-shaped scrollwork collapsing structure of car steering tube column according to claim 1, is characterized in that, described gap is square.
3. the changeable-shaped scrollwork collapsing structure of car steering tube column according to claim 1, is characterized in that, described position limiting structure is the positive stop hook that the end of described structure of scroll is bent to form.
4. the changeable-shaped scrollwork collapsing structure of car steering tube column according to claim 1, is characterized in that, is bolted between described elasticity scrollwork sheet, described mounting blocks, described Guan Liang.
5. the changeable-shaped scrollwork collapsing structure of car steering tube column according to claim 1, is characterized in that, described elasticity scrollwork sheet and described upper bracket have knock hole respectively, and locating glue is stifled through described knock hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210510901.6A CN102963412B (en) | 2012-12-04 | 2012-12-04 | Transformable scroll crumple structure for automobile steering column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210510901.6A CN102963412B (en) | 2012-12-04 | 2012-12-04 | Transformable scroll crumple structure for automobile steering column |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102963412A CN102963412A (en) | 2013-03-13 |
| CN102963412B true CN102963412B (en) | 2015-04-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210510901.6A Active CN102963412B (en) | 2012-12-04 | 2012-12-04 | Transformable scroll crumple structure for automobile steering column |
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| Country | Link |
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| CN (1) | CN102963412B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104097679B (en) * | 2014-08-08 | 2016-08-17 | 安徽江淮汽车股份有限公司 | A kind of steering column governor motion |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202987260U (en) * | 2012-12-04 | 2013-06-12 | 安徽江淮汽车股份有限公司 | Changeable turbination crumpling structure of automobile steering tubular column |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5181584B2 (en) * | 2007-09-03 | 2013-04-10 | 日本精工株式会社 | Steering device |
| JP5327164B2 (en) * | 2010-08-24 | 2013-10-30 | 日本精工株式会社 | Shock absorbing steering device with electric power steering device |
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- 2012-12-04 CN CN201210510901.6A patent/CN102963412B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202987260U (en) * | 2012-12-04 | 2013-06-12 | 安徽江淮汽车股份有限公司 | Changeable turbination crumpling structure of automobile steering tubular column |
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| Publication number | Publication date |
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| CN102963412A (en) | 2013-03-13 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ding Ling Inventor after: Tang Xuedong Inventor after: Yang Huaxing Inventor before: Ji Chunyou Inventor before: Ding Ling Inventor before: Tang Xuedong |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: JI CHUNYOU DING LING TANG XUEDONG TO: DING LING TANG XUEDONG YANG HUAXING |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee before: Anhui Jianghuai Automotive Co., Ltd. |
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| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 230601 No. 99 Ziyun Road, Hefei Economic and Technological Development Zone, Anhui Province Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230022 No. 176 Dongliu Road, Hefei City, Anhui Province Patentee before: Anhui Jianghuai Automobile Group Limited by Share Ltd |