CN204895552U - Car steering column assembly and routed energy -absorbing device that contracts thereof - Google Patents
Car steering column assembly and routed energy -absorbing device that contracts thereof Download PDFInfo
- Publication number
- CN204895552U CN204895552U CN201520632964.8U CN201520632964U CN204895552U CN 204895552 U CN204895552 U CN 204895552U CN 201520632964 U CN201520632964 U CN 201520632964U CN 204895552 U CN204895552 U CN 204895552U
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- Prior art keywords
- crumple
- energy absorption
- absorption device
- mounting bracket
- round platform
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Abstract
The utility model discloses a car steering column assembly and routed energy -absorbing device that contracts thereof, the latter include with the installing support of automobile body rigid coupling and with the lock is taken off in drawing that the installing support is connected, still include the adjustment mechanism support that is connected with last column jacket, the guide way has been seted up on the installing support, slidable mounting has the leading wheel in the guide way, the leading wheel pass through fixing bolt with adjustment mechanism support fixed connection, the installing support with draw and take off the lock through fastener fixed connection, draw take off the lock with the adjustment mechanism support is through a routed connection of contracting. Like this, this ulcerate contracts the energy -absorbing device in shi buhui and the installing support separation of contracting of bursting to avoided the steering wheel to take place to burst excessively to fall at steering column when contracting, guaranteed driver's shank safety, and through the slip between leading wheel and guide way, improved the shock -absorbing capacity.
Description
Technical field
The utility model relates to automobile steering system technical field, particularly relates to a kind of crumple energy absorption device for automobile turning pipe pillar assembly.The utility model also relates to a kind of automobile turning pipe pillar assembly comprising above-mentioned crumple energy absorption device.
Background technology
Along with the development of Domestic Automotive Industry and improving constantly of car mass, also more and more higher to the requirements for quality of auto parts and components.Steering column is the mechanism action of pilot control steering handwheel being passed to deflector, and outer column jecket plays a supportive role, and is fixed on Guan Liang by mounting bracket, the moment of torsion of inner axis of heart direction of transfer dish; When car load generation severe crash, the part generating portion fracture in the crumple energy absorption device on steering column, to realize the crumple of steering column in suitable distance, thus reduces bearing circle to the injury of navigating mate.
As shown in Figure 1, crumple energy absorption device for steering column comprises and pulls lock 11, upper mounting bracket 12 and injection moulding pin, wherein, pull lock 11 to be connected with steering column bolt, upper mounting bracket 12 and vehicle frame Joint, pull on lock 11 and upper mounting bracket 12 and respectively have four via holes one to one, and lock 11 will be pulled by injection moulding pin and be connected with upper mounting bracket 12; When colliding, the injection moulding pin power that is hit is cut off, and in the process of cutting off, pulls lock 11 absorption portion impact energy, and cut off post-tensioning lock-off 11 and depart from upper mounting bracket 12, steering column is separated with vehicle body.
But, during existing steering column generation crumple, pull lock to cut off with upper mounting bracket and be separated, steering column departs from pipe beam and falls under gravity together with bearing circle, chaufeur leg is damaged, and bearing circle moves down and can move down with safety air bag, makes driver head contact with safety air bag completely, hinders the performance of safety air bag buffer action.
Therefore, provide a kind of crumple energy absorption device for column assy, make it avoid bearing circle to fall when steering column generation crumple, ensure chaufeur leg safety, and improve cushion characteristic, just become those skilled in the art's problem demanding prompt solution.
Utility model content
The purpose of this utility model is to provide a kind of crumple energy absorption device for column assy, makes it avoid bearing circle excessively to fall when steering column generation crumple, ensures chaufeur leg safety, and improves cushion characteristic.Another object of the present utility model is to provide a kind of column assy comprising above-mentioned crumple energy absorption device.
To achieve these goals, the utility model provides a kind of crumple energy absorption device for automobile turning pipe pillar assembly, comprise the mounting bracket affixed with vehicle body and be connected with described mounting bracket pull lock; Also comprise the regulating mechanism support be connected with upper column jecket, described mounting bracket offers guide groove, be slidably fitted with track adjusting wheel in described guide groove, described track adjusting wheel is fixedly connected with described regulating mechanism support by bolt of rear end plate; Described mounting bracket with described pull to lock be fixedly connected with by fastener, described in pull lock be connected by crumple part with described regulating mechanism support.
Preferably, described fastener is through described mounting bracket and the described set pin pulling lock.
Preferably, described crumple part is injection moulding pin.
Preferably, described track adjusting wheel comprises the first round platform portion and the second round platform portion, and the external diameter in described first round platform portion is less than the external diameter in described second round platform portion, and described first round platform clan enters in described guide groove, and described second round platform portion is overlapped in the both sides of described guide groove.
The utility model also provides a kind of automobile turning pipe pillar assembly, and comprise column jecket and the crumple energy absorption device being installed on described upper column jecket, described crumple energy absorption device is crumple energy absorption device as above.
Crumple energy absorption device provided by the utility model be used for automobile turning pipe pillar assembly, comprise the mounting bracket affixed with vehicle body and be connected with described mounting bracket pull lock; Also comprise the regulating mechanism support be connected with upper column jecket, described mounting bracket offers guide groove, be slidably fitted with track adjusting wheel in described guide groove, described track adjusting wheel is fixedly connected with described regulating mechanism support by bolt of rear end plate; Described mounting bracket with described pull to lock be fixedly connected with by fastener, described in pull lock be connected by crumple part with described regulating mechanism support.
When colliding, above-mentioned crumple part cuts off post-tensioning lock-off and regulating mechanism support departs from, mounting bracket is connected with vehicle body and keeps fixing, steering column epimere does axial crumple along guide groove, friction of rolling now between track adjusting wheel and guide groove also can absorb a part of impact energy, can also by the size of the screw-down torque adjustment friction of rolling of adjustment track adjusting wheel bolt of rear end plate; Like this, this crumple energy absorption device can not be separated with mounting bracket when crumple, thus avoids bearing circle and excessively fall when steering column generation crumple, ensure that chaufeur leg safety, and by the slip between track adjusting wheel and guide groove, improves cushion characteristic.
In a preferred embodiment, in crumple energy absorption device provided by the utility model, its track adjusting wheel comprises the first round platform portion and the second round platform portion, the external diameter in described first round platform portion is less than the external diameter in described second round platform portion, described first round platform clan enters in described guide groove, described second round platform portion is overlapped in the both sides of described guide groove, so that the sliding block joint reliability improved between track adjusting wheel and guide groove and convenience.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the utility model, for those of ordinary skill in the art, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of typical crumple energy absorption device in prior art;
Fig. 2 is the structural representation of a kind of detailed description of the invention of crumple energy absorption device provided by the utility model;
Fig. 3 is for pulling the part sectional view of latching segment in the energy absorption device of crumple shown in Fig. 2;
Fig. 4 is the part sectional view of targeting moiety in the energy absorption device of crumple shown in Fig. 2.
Description of reference numerals:
In FIG: 11-pulls mounting bracket on lock 12-
In Fig. 2-Fig. 4: 21-mounting bracket 22-pulls lock 23-regulating mechanism support 24-guide groove
25-track adjusting wheel 26-bolt of rear end plate 27-set pin 28-injection moulding pin
Detailed description of the invention
The core of utility model is to provide and a kind ofly pulls structure for column assy, makes it avoid bearing circle excessively to fall when steering column generation crumple, ensures chaufeur leg safety, and improve cushion characteristic.Another core of the present utility model is to provide and a kind ofly comprises the above-mentioned column assy pulling structure.
In order to make those skilled in the art understand the technical solution of the utility model better, below in conjunction with accompanying drawing, the utility model is further detailed.
Please refer to Fig. 2-Fig. 4, Fig. 2 is the structural representation of a kind of detailed description of the invention of crumple energy absorption device provided by the utility model; Fig. 3 is for pulling the part sectional view of latching segment in the energy absorption device of crumple shown in Fig. 2; Fig. 4 is the part sectional view of targeting moiety in the energy absorption device of crumple shown in Fig. 2.
In a kind of detailed description of the invention, crumple energy absorption device provided by the utility model be used for automobile turning pipe pillar assembly, comprise the mounting bracket 21 affixed with vehicle body and be connected with described mounting bracket 21 pull lock 22; Also comprise the regulating mechanism support 23 be connected with upper column jecket, described mounting bracket 21 offers guide groove 24, be slidably fitted with track adjusting wheel 25 in described guide groove 24, described track adjusting wheel 25 is fixedly connected with described regulating mechanism support 23 by bolt of rear end plate 26; Described mounting bracket 21 is fixedly connected with by fastener with the described lock 22 that pulls, described in pull lock 22 and be connected by crumple part with described regulating mechanism support 23.
Particularly, described fastener is through described mounting bracket 21 and the described set pin 27 pulling lock 22, with simplified structure, reduces production and processing cost.This fastener also can be the structure such as bolt or thread-forming screw; Above-mentioned crumple part can for injection moulding pin 28 or injection moulding block etc. be by the version that can occur when shearing to rupture.
When colliding, above-mentioned crumple part is cut off post-tensioning lock-off 22 and is departed from regulating mechanism support 23, mounting bracket 21 is connected with vehicle body and keeps fixing, steering column epimere does axial crumple along guide groove 24, friction of rolling now between track adjusting wheel 25 and guide groove 24 also can absorb a part of impact energy, can also by the size of the screw-down torque adjustment friction of rolling of adjustment bolt of rear end plate 26; Like this, this crumple energy absorption device can not be separated with mounting bracket 21 when crumple, thus avoids bearing circle and excessively fall when steering column generation crumple, ensure that chaufeur leg safety, and by the slip between track adjusting wheel 25 and guide groove 24, improve cushion characteristic.
Further, above-mentioned track adjusting wheel 25 comprises the first round platform portion and the second round platform portion, the external diameter in described first round platform portion is less than the external diameter in described second round platform portion, described first round platform clan enters in described guide groove 24, described second round platform portion is overlapped in the both sides of described guide groove 24, so that the sliding block joint reliability improved between track adjusting wheel 25 and guide groove 24 and convenience.Apparently, track adjusting wheel 25 is also not limited to said structure, also can be form thick between the detail of two ends, now can offer guide rail at the sidewall of guide groove 24, part thick for centre be snapped in guide rail, and realize sliding block joint.
It is pointed out that ordinal numbers such as " first, second " described in literary composition, is the different structure in order to distinguish same names, only for convenience, does not represent certain order, more should not be construed as any restriction.
Except above-mentioned crumple energy absorption device, the utility model also provides a kind of automobile turning pipe pillar assembly comprising above-mentioned crumple energy absorption device, and other Each part of this automobile turning pipe pillar assembly please refer to prior art, do not repeat them here.
Mode above only by illustrating describes some one exemplary embodiment of the present utility model, undoubtedly, for those of ordinary skill in the art, when not departing from spirit and scope of the present utility model, can revise described embodiment by various different mode.Therefore, above-mentioned accompanying drawing is illustrative with being described in essence, should not be construed as the restriction to the utility model claims.
Claims (5)
1., for a crumple energy absorption device for automobile turning pipe pillar assembly, comprise the mounting bracket (21) affixed with vehicle body and pulling of being connected with described mounting bracket (21) is locked (22); It is characterized in that, also comprise the regulating mechanism support (23) be connected with upper column jecket, described mounting bracket (21) offers guide groove (24), be slidably fitted with track adjusting wheel (25) in described guide groove (24), described track adjusting wheel (25) is fixedly connected with described regulating mechanism support (23) by bolt of rear end plate (26); Described mounting bracket (21) is locked (22) be fixedly connected with by fastener with described being pulled, described in pull lock (22) and be connected by crumple part with described regulating mechanism support (23).
2. crumple energy absorption device according to claim 1, is characterized in that, described fastener is through described mounting bracket (21) and the described set pin (27) pulling lock (22).
3. crumple energy absorption device according to claim 2, is characterized in that, described crumple part is injection moulding pin (28).
4. the crumple energy absorption device according to any one of claim 1-3, it is characterized in that, described track adjusting wheel (25) comprises the first round platform portion and the second round platform portion, the external diameter in described first round platform portion is less than the external diameter in described second round platform portion, described first round platform clan enters in described guide groove (24), and described second round platform portion is overlapped in the both sides of described guide groove (24).
5. an automobile turning pipe pillar assembly, comprise column jecket and the crumple energy absorption device being installed on described upper column jecket, it is characterized in that, described crumple energy absorption device is the crumple energy absorption device as described in any one of claim 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520632964.8U CN204895552U (en) | 2015-08-19 | 2015-08-19 | Car steering column assembly and routed energy -absorbing device that contracts thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520632964.8U CN204895552U (en) | 2015-08-19 | 2015-08-19 | Car steering column assembly and routed energy -absorbing device that contracts thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204895552U true CN204895552U (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520632964.8U Expired - Fee Related CN204895552U (en) | 2015-08-19 | 2015-08-19 | Car steering column assembly and routed energy -absorbing device that contracts thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204895552U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105109544A (en) * | 2015-08-19 | 2015-12-02 | 安徽江淮汽车股份有限公司 | Automobile steering column assembly and collapse energy absorbing device thereof |
-
2015
- 2015-08-19 CN CN201520632964.8U patent/CN204895552U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105109544A (en) * | 2015-08-19 | 2015-12-02 | 安徽江淮汽车股份有限公司 | Automobile steering column assembly and collapse energy absorbing device thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee before: Anhui Jianghuai Automobile Co., Ltd. |
|
| 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: 20151223 Termination date: 20190819 |