CN103359154B - A kind of car steering tube column crumple endergonic structure - Google Patents
A kind of car steering tube column crumple endergonic structure Download PDFInfo
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- CN103359154B CN103359154B CN201310330480.3A CN201310330480A CN103359154B CN 103359154 B CN103359154 B CN 103359154B CN 201310330480 A CN201310330480 A CN 201310330480A CN 103359154 B CN103359154 B CN 103359154B
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- mounting bracket
- friction shoe
- interior mounting
- pilot hole
- outer mounting
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- 238000001746 injection moulding Methods 0.000 claims abstract description 24
- 239000004033 plastic Substances 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 5
- 230000002708 enhancing effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 239000004411 aluminium Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 206010010219 Compulsions Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Abstract
A kind of car steering tube column crumple endergonic structure, it comprises: outer mounting bracket, and it has the pilot hole axially arranged along steering column; Interior mounting bracket; Friction shoe; Described outer mounting bracket is fixedly connected with vehicle body, and described friction shoe is fixedly connected with described interior mounting bracket through described pilot hole, and described friction shoe compresses described outer mounting bracket, and described outer mounting bracket is connected by injection moulding pin with described interior mounting bracket; During crumple, described friction shoe and described interior mounting bracket move along described pilot hole.Steering column collapsing structure of the present invention, while significantly reducing tubing string crumple energy-absorbing power, reduces and relies on for technology controlling and process; While enhancing car load safety guard-safeguard performance, reduce tubing string cost.
Description
Technical field
The present invention relates to car load security fields, be specifically related to car steering tube column crumple endergonic structure.
Background technology
When safety misadventure occurs, driver head and chest can produce bearing circle and impact, this impact can pass to steering column by bearing circle, the latter can produce reverse impact power to driver head and chest conversely, damage human body, state compulsion regulation specifies the maxim of this impulsive force.For reaching this target, current car steering tube column adopts crumple endergonic structure, and when impulsive force reaches steering column crumple power peak value, the peculiar structure design of steering column can along axis crumple, and impulsive force no longer continues to increase, protection chaufeur.Orthodox car steering column crumple endergonic structure generally adopts the combination of injection moulding pin and over-surplus fit structure to realize crumple energy-absorbing.As shown in Figure 1, adopt between upper mounting bracket 91 with installation aluminium block 92 together with 4 injection moulding pins 93 are injection-moulded in; As shown in Figure 2, linked together by interference fit between upper column jecket 94 and lower column jecket 95, moving axis 96 is uploaded in column jecket inside, linked together by injection moulding pin 98 between lower drive shaft 97.When car load crashes, chaufeur crash direction dish, the impulsive force be delivered on steering column can cut off injection moulding pin 93, and the interference fit on destruction between column jecket 94 with lower column jecket 95 is connected, this process can absorb chaufeur collision direction dish impulsive force, reduces human injury.But the steering column crumple force value of this structure is in a larger scope (5500N ~ 6500N); especially go up mounting bracket 91 and aluminium block 92, the connection of uploading between moving axis 96 and lower drive shaft 97 are installed and adopt Shooting Technique; the controllability of existing Shooting Technique is poor; thus make crumple power can be higher; when collision case occurs, impact is less than crumple power and can causes steering column cannot crumple; cannot play a protective role to chaufeur, safety factor is lower.
Summary of the invention
In order to the crumple energy-absorbing power solving conventional steering tubing string is comparatively large, be difficult to during collision protect passenger, technology controlling and process is difficult simultaneously; the shortcoming that cost is high; the invention provides a kind of steering column crumple endergonic structure, this is simple and compact for structure, and steering column crumple power can be controlled in zone of reasonableness.
The present invention adopts following technical scheme:
A kind of car steering tube column crumple endergonic structure, it comprises:
Outer mounting bracket, it has the pilot hole axially arranged along steering column;
Interior mounting bracket;
Friction shoe;
Described outer mounting bracket is fixedly connected with vehicle body, and described friction shoe is fixedly connected with described interior mounting bracket through described pilot hole, and described friction shoe compresses described outer mounting bracket, and described outer mounting bracket is connected by injection moulding pin with described interior mounting bracket; During crumple, described friction shoe and described interior mounting bracket move along described pilot hole;
Described outer mounting bracket is had by the one side that described friction shoe compresses appear on the stage terrace and leave from office terrace, described in terrace of appearing on the stage contact with described friction shoe, described leave from office terrace and described friction shoe have gap.
Selectable, the bolt that is fixedly connected as between described friction shoe with described interior mounting bracket is connected, and described bolt passes described friction shoe and described pilot hole and described interior mounting bracket and fixes.
Selectable, described steering column comprises column jecket and lower column jecket, is fixedly connected with between described upper column jecket and described lower column jecket by plastics adapter sleeve.
A kind of car steering tube column crumple endergonic structure, it comprises:
Outer mounting bracket, it has the pilot hole axially arranged along tubing string;
Interior mounting bracket;
Contiguous block;
Friction shoe;
Described outer mounting bracket is fixedly connected with vehicle body, described friction shoe is fixedly connected with described interior mounting bracket through described pilot hole, described friction shoe compresses described outer mounting bracket, described outer mounting bracket and the riveted joint of described contiguous block, described interior mounting bracket is connected by injection moulding pin with described contiguous block, during crumple, described friction shoe and described interior mounting bracket move along described pilot hole;
Described outer mounting bracket is had by the one side that described friction shoe compresses appear on the stage terrace and leave from office terrace, described in terrace of appearing on the stage contact with described friction shoe, described leave from office terrace and described friction shoe have gap.
Selectable, described contiguous block has two engaging lugs, and described interior mounting bracket is between described two engaging lugs.
Selectable, described interior mounting bracket has the location gap coordinated with described contiguous block.
Selectable, the bolt that is fixedly connected as between described friction shoe with described interior mounting bracket is connected, and described bolt passes described friction shoe and described pilot hole and described interior mounting bracket and fixes.
Selectable, described steering column comprises column jecket and lower column jecket, is fixedly connected with between described upper column jecket and described lower column jecket by plastics adapter sleeve.
Beneficial effect of the present invention:
The present invention adopts the upper column jecket circumference of outer mounting bracket to steering column fixing, outer mounting bracket and vehicle body are fixed, and are connected, simultaneously between interior mounting bracket and outer mounting bracket by injection moulding pin, add the friction shoe fixing with interior mounting bracket, between friction shoe and outer mounting bracket, there is thrust.When car load meets accident collision; outer mounting bracket cannot move; human body is applied to bearing circle and is delivered to impulsive force on steering column; after the injection moulding pin destroying interior mounting bracket and outer mounting bracket; overcome the friction force between friction shoe and outer mounting bracket; friction shoe is moved along steering column axis direction together with interior mounting bracket, thus makes tubing string generation crumple, protection driver safety.Steering column collapsing structure of the present invention, while significantly reducing tubing string crumple energy-absorbing power, reduces and relies on for technology controlling and process; While enhancing car load safety guard-safeguard performance, reduce tubing string cost.
The present invention adopts the upper column jecket circumference of outer mounting bracket to steering column fixing, outer mounting bracket and vehicle body are fixed, outer mounting bracket is fixedly connected with contiguous block, connected by injection moulding pin between interior mounting bracket and contiguous block, simultaneously, add the friction shoe fixing with interior mounting bracket, between friction shoe and outer mounting bracket, there is thrust.When car load meets accident collision; outer mounting bracket and contiguous block cannot move; human body is applied to bearing circle and is delivered to impulsive force on tubing string; after the injection moulding pin destroying interior mounting bracket and outer mounting bracket; overcome the friction force between friction shoe and contiguous block, interior mounting bracket and contiguous block are thrown off, thus friction shoe is moved along steering column axis direction together with interior mounting bracket; thus make tubing string generation crumple, protection driver safety.Steering column collapsing structure of the present invention, while significantly reducing tubing string crumple energy-absorbing power, reduces and relies on for technology controlling and process; While enhancing car load safety guard-safeguard performance, reduce tubing string cost.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the steering column crumple endergonic structure of prior art;
Fig. 2 is the structural representation that the upper column jecket of prior art coordinates with lower column jecket;
Fig. 3 is the assembling schematic diagram of the steering column crumple endergonic structure of the embodiment of the present invention;
Fig. 4 is the B-B cutaway view of Fig. 3;
Fig. 5 is the A-A cutaway view of Fig. 3;
Fig. 6 is the three-dimensional structure diagram of the outer mounting bracket of the embodiment of the present invention;
Fig. 7 is the three-dimensional structure diagram of the contiguous block of the embodiment of the present invention;
Fig. 8 is the three-dimensional structure diagram of the interior mounting bracket of the embodiment of the present invention;
Fig. 9 is the upper column jecket of the embodiment of the present invention and the structural representation of lower column jecket junction.
Description of reference numerals:
The outer mounting bracket of the present invention: 1-, 11-pilot hole, 12-appears on the stage terrace, 13-leave from office terrace, 14-mounting hole, mounting bracket in 2-, 21-locates gap, 22-first injection moulding pin-and-hole, 23-through hole, 3-friction shoe, 31-bolt, 4-injection moulding pin, the upper column jecket of 5-, column jecket under 6-, 7-plastics adapter sleeve, 8-contiguous block, 81-engaging lug, 82-second injection moulding pin-and-hole, 83-riveted holes, 84-rivet.
The upper mounting bracket of prior art: 91-, 92-installs aluminium block, 93-injection moulding pin, the upper column jecket of 94-, column jecket under 95-, and 96-uploads moving axis, 97-lower drive shaft, 98-injection moulding pin.
Detailed description of the invention
Below in conjunction with accompanying drawing, specific embodiments of the invention are described in detail.
As shown in Figure 3, car steering tube column crumple endergonic structure comprises: outer mounting bracket 1, interior mounting bracket 2, friction shoe 3.Upper column jecket 5 circumference of outer mounting bracket 1 pair of steering column is fixing, outer mounting bracket 1 has the pilot hole 11 axially arranged along steering column, outer mounting bracket 1 is fixedly connected with vehicle body by mounting hole 14, friction shoe 3 is fixedly connected with interior mounting bracket 2 through pilot hole 11, friction shoe 3 compresses outer mounting bracket 1, outer mounting bracket 1 is connected by injection moulding pin 4 with interior mounting bracket 2, and during crumple, friction shoe 3 and interior mounting bracket 2 move along pilot hole 11.
As shown in Figure 4, car steering tube column crumple endergonic structure comprises: outer mounting bracket 1, interior mounting bracket 2, contiguous block 8, friction shoe 3.Outer mounting bracket 1 has the pilot hole 11 axially arranged along tubing string, outer mounting bracket 1 is fixedly connected with vehicle body, friction shoe 3 is fixedly connected with interior mounting bracket 2 through pilot hole 11, friction shoe 3 compresses outer mounting bracket 1, outer mounting bracket 1 and contiguous block 8 are riveted, interior mounting bracket 2 is connected by injection moulding pin 4 with contiguous block 8, and during crumple, friction shoe 3 and interior mounting bracket 2 move along pilot hole 11.
During crumple, friction shoe 3 can, for contact all the time, also can be only contact for some time with the contact surface of outer mounting bracket 1.Preferably, outer mounting bracket 1 is had by the one side that friction shoe 3 compresses appear on the stage terrace 12 and leave from office terrace 13, and terrace 12 of appearing on the stage contacts with friction shoe 3, and leave from office terrace 13 and friction shoe 3 have gap.When adopting this structure crumple to start, friction shoe 3 contacts with the terrace 12 of appearing on the stage of outer mounting bracket 1, needs to overcome this and move friction force in moving process; Friction shoe 3 is thrown off with terrace 12 of appearing on the stage subsequently, and leave from office terrace 13 is lower than terrace 12 of appearing on the stage, and leave from office terrace does not contact with friction shoe 3, and friction shoe 3 disappears with the friction force of outer mounting bracket 1, ensures that crushing force is at a zone of reasonableness.
As shown in Figure 5, friction shoe 3 and interior mounting bracket 2 be fixedly connected with can by welding, riveting, bolt is connected, preferably with bolts, the thrust of the external mounting bracket of friction shoe is changed by the screw-in degree controlling screw thread, and then change friction shoe 3 and the friction force of terrace 12 of appearing on the stage, also change the while of crumple power thereupon.Preferably, the bolt that is fixedly connected as between friction shoe 3 with interior mounting bracket 2 is connected, and bolt 31 is fixed with interior mounting bracket through friction shoe 2 and pilot hole 11.Adopt independently bolt 31 to realize friction shoe 3 and the compression of outer mounting bracket 1, be convenient to the predetermincd tension of adjusting bolt, and be convenient to install.
As can be seen from figures 6 to 8, contiguous block 8 and outer mounting bracket 1 can by welding, riveting, bolt is connected and realizes connecting, preferably adopt riveted joint, contiguous block 8 and outer mounting bracket 1 are fixed through riveted holes 83 by rivet 84, are convenient to assembling.The structure of contiguous block 8 can have multiple change, preferably, contiguous block 8 has two engaging lugs 81, and interior mounting bracket 2 is between two engaging lugs 81, injection moulding pin 4, through the first injection moulding pin-and-hole 22 of interior mounting bracket and the second injection moulding pin-and-hole 82 of contiguous block, makes the fixing more stable of interior mounting bracket 2.
Interior mounting bracket 2 needs good fixing when being connected by injection moulding pin 4 with contiguous block 8, preferably, interior mounting bracket 2 has the location gap 21 coordinated with contiguous block 8, and location gap 21 is axially arranged along steering column, moves without hindrance when in ensureing, crumple occurs mounting bracket 2.Location gap 21 coordinates with the relevant position of contiguous block 8, for carrying out injection operation and installation provides good location.
As shown in Figure 9, the upper column jecket 5 of steering column can directly realize being connected by interference fit with lower column jecket 6, also can realize connecting by other auxiliary members.Preferably, steering column comprises column jecket 5 and lower column jecket 6, is fixedly connected with between upper column jecket 5 and lower column jecket 6 by plastics adapter sleeve 7.Adopt this structure to make the interference fit between metal be converted into interference fit between metal and plastics, greatly reduce this place's crumple force value.
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 (8)
1. a car steering tube column crumple endergonic structure, is characterized in that, comprising:
Outer mounting bracket, it has the pilot hole axially arranged along steering column;
Interior mounting bracket;
Friction shoe;
Described outer mounting bracket is fixedly connected with vehicle body, and described friction shoe is fixedly connected with described interior mounting bracket through described pilot hole, and described friction shoe compresses described outer mounting bracket, and described outer mounting bracket is connected by injection moulding pin with described interior mounting bracket; During crumple, described friction shoe and described interior mounting bracket move along described pilot hole;
Described outer mounting bracket is had by the one side that described friction shoe compresses appear on the stage terrace and leave from office terrace, described in terrace of appearing on the stage contact with described friction shoe, described leave from office terrace and described friction shoe have gap.
2. car steering tube column crumple endergonic structure according to claim 1, it is characterized in that, the bolt that is fixedly connected as between described friction shoe with described interior mounting bracket is connected, and described bolt passes described friction shoe and described pilot hole and described interior mounting bracket and fixes.
3. car steering tube column crumple endergonic structure according to claim 1, is characterized in that, described steering column comprises column jecket and lower column jecket, is fixedly connected with between described upper column jecket and described lower column jecket by plastics adapter sleeve.
4. a car steering tube column crumple endergonic structure, is characterized in that, comprising:
Outer mounting bracket, it has the pilot hole axially arranged along tubing string;
Interior mounting bracket;
Contiguous block;
Friction shoe;
Described outer mounting bracket is fixedly connected with vehicle body, described friction shoe is fixedly connected with described interior mounting bracket through described pilot hole, described friction shoe compresses described outer mounting bracket, described outer mounting bracket and the riveted joint of described contiguous block, described interior mounting bracket is connected by injection moulding pin with described contiguous block, during crumple, described friction shoe and described interior mounting bracket move along described pilot hole;
Described outer mounting bracket is had by the one side that described friction shoe compresses appear on the stage terrace and leave from office terrace, described in terrace of appearing on the stage contact with described friction shoe, described leave from office terrace and described friction shoe have gap.
5. car steering tube column crumple endergonic structure according to claim 4, is characterized in that, described contiguous block has two engaging lugs, and described interior mounting bracket is between described two engaging lugs.
6. the car steering tube column crumple endergonic structure according to claim 4 or 5, is characterized in that, described interior mounting bracket has the location gap coordinated with described contiguous block.
7. car steering tube column crumple endergonic structure according to claim 4, it is characterized in that, the bolt that is fixedly connected as between described friction shoe with described interior mounting bracket is connected, and described bolt passes described friction shoe and described pilot hole and described interior mounting bracket and fixes.
8. car steering tube column crumple endergonic structure according to claim 4, is characterized in that, described steering column comprises column jecket and lower column jecket, is fixedly connected with between described upper column jecket and described lower column jecket by plastics adapter sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310330480.3A CN103359154B (en) | 2013-07-31 | 2013-07-31 | A kind of car steering tube column crumple endergonic structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310330480.3A CN103359154B (en) | 2013-07-31 | 2013-07-31 | A kind of car steering tube column crumple endergonic structure |
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| Publication Number | Publication Date |
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| CN103359154A CN103359154A (en) | 2013-10-23 |
| CN103359154B true CN103359154B (en) | 2016-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310330480.3A Active CN103359154B (en) | 2013-07-31 | 2013-07-31 | A kind of car steering tube column crumple endergonic structure |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6028872B2 (en) * | 2013-10-31 | 2016-11-24 | 日本精工株式会社 | Steering device |
| CN104843050B (en) * | 2014-09-05 | 2017-08-04 | 北汽福田汽车股份有限公司 | A kind of column assy and the vehicle with it |
| CN104843051B (en) * | 2014-12-02 | 2017-02-22 | 北汽福田汽车股份有限公司 | Steering pipe column |
| CN106553687A (en) * | 2016-11-25 | 2017-04-05 | 安徽江淮汽车集团股份有限公司 | A kind of steering column installation structure assembly |
| CN107140004B (en) * | 2017-05-10 | 2023-07-07 | 上海蔚来汽车有限公司 | Self-adaptive adjusting device for steering column |
| CN108995705A (en) * | 2017-06-07 | 2018-12-14 | 株式会社万都 | A kind of guiding trestle of steering column |
| CN110254499A (en) * | 2019-07-22 | 2019-09-20 | 北京汽车集团越野车有限公司 | Steering column assembly and vehicle |
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| JP2005219641A (en) * | 2004-02-05 | 2005-08-18 | Nsk Ltd | Steering column device |
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| CN103359154A (en) | 2013-10-23 |
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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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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 |