CN104843050B - A kind of column assy and the vehicle with it - Google Patents
A kind of column assy and the vehicle with it Download PDFInfo
- Publication number
- CN104843050B CN104843050B CN201410453056.2A CN201410453056A CN104843050B CN 104843050 B CN104843050 B CN 104843050B CN 201410453056 A CN201410453056 A CN 201410453056A CN 104843050 B CN104843050 B CN 104843050B
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- Prior art keywords
- energy
- absorbing
- ring
- column
- shearing ring
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Links
- 238000010008 shearing Methods 0.000 claims abstract description 115
- 238000002347 injection Methods 0.000 claims description 12
- 239000007924 injection Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 4
- 239000004677 Nylon Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 6
- 239000006096 absorbing agent Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920005479 Lucite® Polymers 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
- B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
- B62D1/16—Steering columns
- B62D1/18—Steering columns yieldable or adjustable, e.g. tiltable
- B62D1/19—Steering columns yieldable or adjustable, e.g. tiltable incorporating energy-absorbing arrangements, e.g. by being yieldable or collapsible
- B62D1/192—Yieldable or collapsible columns
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Steering Controls (AREA)
Abstract
The invention discloses a kind of column assy and the vehicle with it.The column assy includes steering column；Fixed support, the fixed support is used to be fixedly installed to vehicle body, and the fixed support carries energy-absorbing guide groove；And shearing ring, it is fixedly attached to the steering column and the fixed support, when the impact that steering column is subject to is more than given threshold, the connection fracture between the shearing ring and fixed support, and being capable of the energy-absorbing slip in the energy-absorbing guide groove under the drive of the steering column.The column assy of the present invention takes full advantage of the space that steering column is connected with fixed support, simplify crumple endergonic structure, the arrangement space that column assy is arranged on vehicle is saved, reduce production cost, and the shearing ring of this column assy energy-absorbing in energy-absorbing guide groove is slided, with fixed track.
Description
Technical field
The present invention relates to automobile steering system field, more particularly to a kind of column assy and the vehicle with it.
Background technology
During automobile central collision, automobile front chamber can be obscured by an obstacle and be moved to the direction of driver, and driver
It can then be moved in the presence of inertia force and to steering wheel direction, and hit steering wheel, in order to reduce the injury to driver, state
Steering column in family's laws and regulations requirement automobile steering system has the function of crumple energy-absorbing in vehicle collisions.
In the prior art, steering column is reached mostly using accessories such as special guide frame, energy absorbers with this
To the purpose of crumple energy-absorbing.Using special guide frame or energy absorber, and front deck narrow space, increase special guiding
The design difficulty of structure or energy absorber, not only increases the development cost of steering column, so that the knot of steering column
Structure is excessively complicated, arrangement of the influence tubing string on vehicle.
Thus, it is desirable to have a kind of vehicle is overcome with column assy or at least mitigated at least one of prior art
State defect.
The content of the invention
Lack it is an object of the invention to provide a kind of column assy to overcome or at least mitigate the above-mentioned of prior art
Fall at least one.
To achieve the above object, the present invention provides a kind of column assy, and the column assy includes：Steering tube
Post；Fixed support, the fixed support is used to be fixedly installed to vehicle body, and the fixed support carries energy-absorbing guide groove；And cut
Ring is cut, it is fixedly attached to the steering column and the fixed support, the impact being subject in steering column is more than given threshold
When, the connection fracture between the shearing ring and fixed support, and can be under the drive of the steering column in the energy-absorbing
Energy-absorbing is slided in guide groove, and the shearing ring includes covering and shearing on lid on shearing ring, shearing ring lower cover and connection shearing ring
The shearing ring connecting pole of ring lower cover, wherein, lid is located at the side of the energy-absorbing guide groove away from steering column on the shearing ring,
The shearing ring lower cover is located at opposite side, and the shearing ring connection outer surface of column is rough surface, the energy-absorbing guide groove and institute
State rough surface at the position that can be touched when shearing ring connecting pole is slided.
Preferably, the shearing ring is arranged at the position of the proximal direction disk on the energy-absorbing guide groove.
Preferably, the energy-absorbing guide groove is taper in width structure, from setting the position of shearing ring disk away
Position is tapered.
Preferably, the column assy further comprises energy-absorbing ring, and the energy-absorbing ring is fixed with the steering column
Connection, and be arranged in the energy-absorbing guide groove, it can be inhaled under the drive of the steering column in the energy-absorbing guide groove
It can slide.
Preferably, the energy-absorbing ring includes covering and energy-absorbing ring on lid on energy-absorbing ring, energy-absorbing ring lower cover and connection energy-absorbing ring
The energy-absorbing ring connecting pole of lower cover, wherein, lid is located at the side of the energy-absorbing guide groove away from steering column, institute on the energy-absorbing ring
Energy-absorbing ring lower cover is stated positioned at opposite side, the energy-absorbing ring connection outer surface of column is rough surface, the energy-absorbing guide groove with it is described
Energy-absorbing ring connecting pole contact position rough surface.
Preferably, the column assy further comprises connecting bracket, the connecting bracket and the steering column
Be fixedly connected, the shearing ring and the energy-absorbing ring by way of being fixedly connected with the connecting bracket with the steering column
It is fixedly connected.
Preferably, there is injecting hole, the shearing ring is by the injecting hole and the fixed support on the shearing ring
Injection connection, the critical value when threshold value disconnects for the injection connection.
Preferably, the shearing ring and the energy-absorbing ring are made up of nylon material.
Present invention also offers a kind of vehicle, the vehicle includes column assy as described above.
In the column assy of the present invention, shearing ring is fixedly attached to steering column and fixed support, in steering tube
When the impact that post is subject to is more than given threshold, the connection fracture between shearing ring and fixed support, and can be in steering column
Energy-absorbing is slided in energy-absorbing guide groove under drive.
The column assy of the present invention takes full advantage of the space that steering column is connected with fixed support, simplifies steering
The crumple endergonic structure of tubing string assembly, has saved the arrangement space that column assy is arranged on vehicle, has reduced and be produced into
This, and shearing ring energy-absorbing slip in energy-absorbing guide groove of the column assy of the present invention, with fixed track so that burst
Contracting direction is reliable and stable, and track is clear.
Brief description of the drawings
Fig. 1 is the schematic diagram of column assy according to a first embodiment of the present invention.
Fig. 2 is the schematic diagram of shearing ring in column assy shown in Fig. 1.
Fig. 3 is the schematic diagram of energy-absorbing ring in column assy shown in Fig. 1.
Fig. 4 is the schematic cross-sectional view of the column assy shown in Fig. 1.
Reference：
| 1 | Fixed support | 11 | Fixed support body |
| 2 | Energy-absorbing guide groove | 12 | Fixed support side plate |
| 3 | Upper mandrel | 13 | Fixed support connecting plate |
| 4 | Steering column | 51 | Covered on shearing ring |
| 5 | Shearing ring | 52 | Shearing ring lower cover |
| 6 | Connecting bracket | 53 | Shearing ring connecting pole |
| 7 | Injecting hole | 81 | Covered on energy-absorbing ring |
| 8 | Energy-absorbing ring | 82 | Energy-absorbing ring lower cover |
| 9 | Lower mandrel | 83 | Energy-absorbing ring connecting pole |
Embodiment
To make the purpose, technical scheme and advantage of the invention implemented clearer, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme in the embodiment of the present invention is further described in more detail.In the accompanying drawings, identical from beginning to end or class
As label represent same or similar element or the element with same or like function.Described embodiment is the present invention
A part of embodiment, rather than whole embodiments.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to uses
It is of the invention in explaining, and be not considered as limiting the invention.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.Under
Embodiments of the invention are described in detail with reference to accompanying drawing for face.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer " is based on accompanying drawing institutes
The orientation or position relationship shown, is for only for ease of the description present invention and simplifies description, rather than indicate or imply signified dress
Put or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to present invention protection
The limitation of scope.
Steering column, shearing ring and fixed support are included according to the column assy of the present invention, wherein, fixed support
For being fixedly installed to vehicle body, fixed support carries energy-absorbing guide groove；Shearing ring is fixedly attached to steering column and fixed support,
When the impact that steering column is subject to is more than given threshold, the connection fracture between shearing ring and fixed support, and can turn
Energy-absorbing is slided in the energy-absorbing guide groove under to the drive of tubing string.
The column assy of the present invention takes full advantage of the space that steering column assembly is connected with fixed support, simplifies
The crumple endergonic structure of column assy, has saved the arrangement space that column assy is arranged on vehicle, has reduced life
Produce cost.
Column assy includes steering column, fixed support and shearing ring, and fixed support is used to be fixedly installed to car
Body, fixed support carries energy-absorbing guide groove；Shearing ring is fixedly attached to steering column and the fixed support, steering column by
The impact arrived be more than given threshold when, between shearing ring and fixed support connection fracture, and can steering column drive
Under in energy-absorbing guide groove energy-absorbing slide.Specifically, shearing ring is slided under the drive of steering column in energy-absorbing guide groove,
During slip, shearing ring is come by the various power opposite with the impulsive force that steering column is subject to such as frictional force, resistance with this
The impulsive force that steering column is subject to is offset, the effect of energy-absorbing is reached.It is understood that the size of the threshold value can be as needed
And it is set to the numerical value that task needs.
Fig. 1 is the schematic diagram of column assy according to a first embodiment of the present invention.Fig. 2 is the steering tube shown in Fig. 1
The schematic diagram of shearing ring in post assembly.Fig. 3 is the schematic diagram of energy-absorbing ring in column assy shown in Fig. 1.Fig. 4 is Fig. 1 institutes
The schematic cross-section of the column assy shown.
Column assy shown in Fig. 1 includes steering column 4, shearing ring 5, energy-absorbing ring 8, fixed support 1, connecting bracket
6.In the column assy shown in Fig. 4, steering column 4 is by bearing and upper mandrel 3, and upper mandrel 3 can be with respect to steering tube
Post 4 is rotated, and can transmit the force to steering column 4 in the axial direction, and upper mandrel 3 is connected with lower mandrel 9 by spline, and upper core
The diameter of axle 3 is more than the lower diameter of mandrel 9.Specifically, upper mandrel 3 has internal spline with one end that lower mandrel 9 is connected, and lower mandrel 9 exists
The end has external splines, and upper mandrel 3 is coordinated with lower mandrel 9 by internal spline and external splines, so that upper mandrel 3 and lower mandrel 9
Being capable of relative telescopic movement.Wherein, upper mandrel 3 is connected with steering wheel.When steering wheel is by the power along the upper axial direction of mandrel 3
When, the power transmitted from steering wheel by upper mandrel 3 passes to steering column 4.
Referring to Fig. 1, fixed support 1 is fixedly installed to vehicle body, and with energy-absorbing guide groove 2, shearing ring 5 is set with energy-absorbing ring 8
Put in energy-absorbing guide groove 2.The fixed support 1 is located at the top of steering column 4 (above-below direction in figure), with one generally one
The fixed support body 11 of rectangle tabular body, the fixed support body 11 is parallel with the upper axial direction of mandrel 3, and the fixation branch
11 two long sides of frame body bend and extended to nearly connecting bracket direction, form two fixed support side plates 12, two fixations
To the direction bending parallel to fixed support body 11 at the two ends of the nearly fixed support 1 of rack side plate 12, and to away from steering tube
The direction extension of post 4, being formed respectively has a connection on four fixed support connecting plates 13, four fixed support connecting plates 13
Hole, the fixed support 1 is connected by each connecting hole with vehicle body.It is understood that in the present embodiment, fixed support 1 is
Sheet metal component, i.e., processed by sheet metal process.Advantageously, can be with root in order to increase support bracket fastened rigidity and intensity
Increase reinforcement in any appropriate position of fixed support according to needs.
Referring to Fig. 1, connecting bracket 6 is fixedly connected with steering column 4, and shearing ring 5 passes through the company of being fixedly attached to energy-absorbing ring 8
The mode for connecing support 6 is fixedly connected with steering column 4, and shearing ring 5 is fixedly attached to fixed support 1 with energy-absorbing ring 8.Specifically
Ground, referring to Fig. 2 and Fig. 3, shearing ring 5 includes lid 51 and cutting on lid 51 on shearing ring, shearing ring lower cover 52 and connection shearing ring
The shearing ring connecting pole 53 of ring lower cover 52 is cut, energy-absorbing ring 8 includes lid 81 on energy-absorbing ring, energy-absorbing ring lower cover 82 and connection energy-absorbing ring
The energy-absorbing ring connecting pole 83 of upper lid 81 and energy-absorbing ring lower cover 82.Wherein, lid 81 is located at energy-absorbing on lid 51 and energy-absorbing ring on shearing ring
Side of the guide groove 2 away from steering column 4, shearing ring lower cover 52 and energy-absorbing ring lower cover 82 are located at relative opposite side, shearing ring
Lid 81 and the clamping energy-absorbing guide groove of energy-absorbing ring lower cover 82 on upper lid 51 and the clamping energy-absorbing of shearing ring lower cover 52 guide groove 2, energy-absorbing ring
2。
Due to being covered on lid on shearing ring, lower cover and connecting pole and energy-absorbing ring, lower cover and the connecting pole structure in this segment description
And purposes is approximate, for sake of convenience, in the description of this section, unless otherwise specified, it will be covered on lid on shearing ring 51 and energy-absorbing ring
81 are referred to as lid, and shearing ring lower cover 52 and energy-absorbing ring lower cover 81 are referred to as into lower cover, by shearing ring connecting pole 53 and energy-absorbing ring
Connecting pole 83 is referred to as connecting pole.The surface and energy-absorbing that connection outer surface of column, upper lid, lower cover are contacted with energy-absorbing guide groove 2 are led
It is rough surface to groove 2 and connecting pole, upper lid, lower cover contact position.It is understood that connection outer surface of column, upper lid, lower cover
The surface contacted with energy-absorbing guide groove 2 and energy-absorbing guide groove 2 and connecting pole, upper lid, lower cover contact position can as needed and
From whether being rough surface.For example, in an alternative embodiment, only connecting outer surface of column and energy-absorbing guide groove 2 with connecting
The part for connecing outer surface of column contact is rough surface.In another example, in another embodiment, only upper lid, lower cover and energy-absorbing are led
The surface contacted to groove 2 and energy-absorbing guide groove 2 are rough surface with the surface that upper lid, lower cover are contacted.
For sake of convenience, in the description of this section, unless otherwise specified, lid 81 on lid on shearing ring 51 and energy-absorbing ring is united
It is referred to as upper to cover, shearing ring lower cover 52 and energy-absorbing ring lower cover 81 are referred to as lower cover, shearing ring connecting pole 53 and energy-absorbing ring are connected
Post 83 is referred to as connecting pole.It is rounded referring to Fig. 2 and Fig. 3, Shang Gai and lower exterior surface.It is understood that upper lid and lower cover
Any appropriate shape can be used as needed.For example, the outer surface of upper lid and lower cover is oval, square etc..Referring to
Fig. 2 and Fig. 3, connecting pole inner hollow, bolt is fixedly connected by the hollow connecting pole with connecting bracket 6.It is understood that
Connecting pole can also be adopted and be fixedly connected with other appropriate means with connecting bracket 6 as needed.For example, by welding, gluing
The connected mode such as connect.
Referring to Fig. 1, there is injecting hole 7 on shearing ring 5, shearing ring 5 is connected by injecting hole 7 with the injection of fixed support 1, threshold
It is worth critical value when being disconnected for injection connection.Specifically, there are three injecting holes 7 on shearing ring on lid 51, pass through Shooting Technique
It is connected with the injection of fixed support 1, when the power that transmission comes from steering wheel that steering column 4 is subject to, which reaches, connects disconnection at injection
Threshold value when, between shearing ring 5 and fixed support 1 connection fracture, and can under the drive of steering column 4 energy-absorbing be oriented to
Energy-absorbing is slided in groove 2.
It is understood that in column assy shown in Fig. 1, being sized to of predetermined threshold changes as needed
Become.For example, can be by changing the quantity of the injecting hole on shearing ring, the diameter of injecting hole, injection layer material, thickness, intensity
Deng the size of parameter adjustment threshold value.
For example, the threshold when injection hole number on shearing ring can disconnect according to default required shearing ring and fixed support
Depending on value.For example, when the threshold value needs the critical value during disconnection for being set as being provided compared with three injecting holes big, can accordingly increase
Fill mole number.In another example, can when the threshold value needs the critical value during disconnection for being set as being provided compared with three injecting holes small
It is corresponding to reduce injection hole count.
It is understood that shearing ring can also be adopted with other appropriate means with fixed support by setting as needed
The mode for determining threshold value is connected.For example, the upper lid of shearing ring has multiple holes, connected in each hole by lucite and fixed support
Connect, it is to be understood that the shearing force that the lucite can be born should can reach predetermined threshold.In another example, shearing ring
Upper lid on there are multiple holes, be connected by fixtures such as bolts with fixed support in each hole, wherein, in the fixture such as bolt
Portion is provided with fracture belt, and the threshold value for the shearing force that the fracture belt can bear is less than other positions of fixture such as bolt, and meets
Predetermined threshold value, when the power suffered by shearing ring reaches the threshold value, the fixture such as bolt, which is provided with the position of fracture belt, to break
Split, enabling shearing ring, energy-absorbing is slided in energy-absorbing guide groove under the drive of steering column.
Referring to Fig. 1, shearing ring 5 is arranged on energy-absorbing guide groove 2 and closed at the position of steering wheel, and energy-absorbing ring 8 is located at shearing ring 5
Side away from steering wheel.It is understood that in another embodiment, energy-absorbing ring 8 is located at the nearly steering wheel of energy-absorbing guide groove 2
End, shearing ring 5 be located at side of the energy-absorbing ring 8 away from steering wheel.It is understood that in another embodiment, turning
There was only shearing ring 5 to tubing string assembly, without energy-absorbing ring 8.
In the column assy shown in Fig. 1, shearing ring 5 and energy-absorbing ring 8 are fixedly connected with to connecting bracket 6, can be with
Understand, in an alternative embodiment, shearing ring is integrally formed with energy-absorbing ring, and formation is rigidly connected, and shearing ring and company
Connect support to be fixedly connected, energy-absorbing ring is not fixedly connected with connecting bracket.And in another embodiment, shearing ring and energy-absorbing ring one
Body formed, formation is rigidly connected, and energy-absorbing ring is fixedly connected with connecting bracket, and shearing ring is not fixedly connected with connecting bracket.
Referring to Fig. 1, energy-absorbing guide groove 2 is width (above-below direction in figure) tapered configuration, from set the position of shearing ring 5 to
Position away from steering wheel is tapered, and is closed between the ends by two circular arcs.Using this structure, make shearing ring 5 in suction
By the big resistance of gradual change during energy-absorbing is slided in energy guide groove 2.It is understood that energy-absorbing guide groove 2 can be with root
Other appropriate shapes are used according to needs.For example, one end of the nearly steering wheel of energy-absorbing guide groove is unclosed, the relative other end is use up
Head width is zero, forms a V-shaped.In another example, one end of the nearly steering wheel of energy-absorbing guide groove is unclosed, and the relative other end is use up
Head width is in addition, forming a V-shaped.
Referring to Fig. 1, it is to be understood that because the length of energy-absorbing guide groove 2 determines shearing ring 5 and energy-absorbing ring 8 in energy-absorbing
Time for being slided in guide groove 2 and energy-absorbing number, therefore, the length of the energy-absorbing guide groove 2 is at least not less than 150MM.
In column assy shown in Fig. 1, energy-absorbing ring 8, shearing ring 5 are made of nylon material, to improve shearing ring
5th, the frictional force between energy-absorbing ring 8 and energy-absorbing guide groove 2.
In the column assy shown in Fig. 1, shearing ring 5 and energy-absorbing ring 8 are arranged in energy-absorbing guide groove 2.Work as vehicle
During by head-on crash, due to inertia, driver can hit steering wheel, and the power suffered by it is passed to upper mandrel 3 by steering wheel,
Steering column 4 is passed to by upper mandrel 3, and connecting bracket 6 is passed to by steering column 4, connecting bracket 6 passes to shearing ring 5.
When the power reaches that shearing ring 5 is molded the threshold value of junction with fixed support 1, shearing ring 5 is disconnected with fixed support 1,
In the presence of the power transmitted by steering wheel, upper mandrel 3 is with lower mandrel 9 due to the effect by the power transmitted from steering wheel
Compressed, steering wheel is shunk to the direction away from driver, reach the purpose of crumple.And steering column 4 then drives shearing ring 5
And the energy-absorbing in energy-absorbing guide groove 2 of energy-absorbing ring 8 is slided.Specifically, due to energy-absorbing guide groove 2 be grading profile, energy-absorbing ring 8 and
Shearing ring 5 is in sliding process, the resistance that the connecting pole of energy-absorbing ring 8 and shearing ring 5 can gradually be increased, and energy-absorbing ring 8 with
The connecting pole of shearing ring 5, upper lid and lower cover with the Rough Contact of energy-absorbing guide groove 2, during slip, energy-absorbing ring 8 is with cutting
Cut the resistance that ring 5 is given connecting pole by the shape of frictional force and energy-absorbing guide groove 2 simultaneously, the two force directions and from direction
The force direction that Pan Chu transmission comes transmits the power of coming on the contrary, being offset with this at steering wheel, reach the effect of energy-absorbing.Pass through upper mandrel
3 crumple and steering column 4 with lower mandrel 9 drives the energy-absorbing function of down cut ring 5 and energy-absorbing ring 8, reaches that steering column is total
Into the purpose of crumple energy-absorbing.
It is understood that in an alternative embodiment, column assy includes steering column, shearing ring, energy-absorbing
Ring, fixed support.Shearing ring is fixedly connected with steering column and fixed support, and by injection molding manner with being molded with fixed support
Connection, when the power for making steering column be transmitted by upper mandrel reaches threshold value when being disconnected at shearing ring and fixed support injection, cuts
Cut ring crumple energy-absorbing under the drive of steering column.In this alternative embodiment, compared with embodiment illustrated in fig. 1, the company of eliminating
Support is connect, shearing ring is directly connected to fixed support, in addition, shown in other aspects and Fig. 1 in the alternative
Embodiment is identical, will not be repeated here.
Present invention also offers a kind of vehicle, including column assy as described above.
It is understood that the vehicle can also be wrapped in addition to by crumple energy-absorbing mode crumple energy-absorbing as described above
Include other any appropriate conventional crumple endergonic structures being used in vehicle steering column assembly.
It is last it is to be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations.To the greatest extent
The present invention is described in detail with reference to the foregoing embodiments for pipe, it will be understood by those within the art that：It is still
Technical scheme described in foregoing embodiments can be modified, or which part technical characteristic is equally replaced
Change；And these modifications or replacement, the essence of appropriate technical solution is departed from the essence of various embodiments of the present invention technical scheme
God and scope.
Claims (9)
1. a kind of column assy, it is characterised in that the column assy includes：
Steering column (4)；
Fixed support (1), the fixed support (1) is used to be fixedly installed to vehicle body, and the fixed support (1) is oriented to energy-absorbing
Groove (2)；And
Shearing ring (5), it is fixedly attached to the steering column (4) and the fixed support (1), steering column (4) by
Impact when being more than given threshold, connection between the shearing ring (5) and fixed support (1) is broken, and can be at described turn
Slided under to the drive of tubing string (4) in the interior energy-absorbing of the energy-absorbing guide groove (2), the shearing ring (5) includes covering on shearing ring
(51), shearing ring lower cover (52) and connection shearing ring on lid (51) and shearing ring lower cover (52) shearing ring connecting pole (53),
Wherein, (51) are covered on the shearing ring and are located at side of the energy-absorbing guide groove (2) away from steering column (4), the shearing ring
Lower cover (52) is located at opposite side, and shearing ring connecting pole (53) outer surface is rough surface, the energy-absorbing guide groove (2) and institute
State rough surface at the position that can be touched when shearing ring connecting pole (53) is slided.
2. column assy as claimed in claim 1, it is characterised in that the shearing ring (5) is arranged on the energy-absorbing and led
To at the position of the proximal direction disk on groove (2).
3. column assy as claimed in claim 2, it is characterised in that the energy-absorbing guide groove (2) is taper in width knot
Structure, the position from the position disk away for setting shearing ring (5) is tapered.
4. column assy as claimed in claim 1, it is characterised in that the column assy further comprises energy-absorbing
Ring (8), the energy-absorbing ring (8) is fixedly connected with the steering column (4), and is arranged in the energy-absorbing guide groove (2), can
Slided under the drive of the steering column (4) in the interior energy-absorbing of the energy-absorbing guide groove (2).
5. column assy as claimed in claim 4, it is characterised in that the energy-absorbing ring (8) includes covering on energy-absorbing ring
(81), energy-absorbing ring lower cover (82) and connection energy-absorbing ring on lid (81) and energy-absorbing ring lower cover (82) energy-absorbing ring connecting pole (83),
Wherein, (81) are covered on the energy-absorbing ring and are located at side of the energy-absorbing guide groove (2) away from steering column (4), the energy-absorbing ring
Lower cover (82) is located at opposite side, and energy-absorbing ring connecting pole (83) outer surface is rough surface, the energy-absorbing guide groove (2) and institute
State energy-absorbing ring connecting pole (83) contact position rough surface.
6. column assy as claimed in claim 4, it is characterised in that the column assy further comprises connection
Support (6), the connecting bracket (6) is fixedly connected with the steering column (4), the shearing ring (5) and the energy-absorbing ring (8)
It is fixedly connected by way of being fixedly connected with the connecting bracket (6) with the steering column (4).
7. column assy as claimed in claim 6, it is characterised in that there is injecting hole (7) on the shearing ring (5),
The shearing ring (5) is connected by the injecting hole (7) with the fixed support (1) injection, and the threshold value connects for the injection
Connect critical value during disconnection.
8. column assy as claimed in claim 7, it is characterised in that the shearing ring (5) and the energy-absorbing ring (8) by
Nylon material is made.
9. a kind of vehicle, it is characterised in that the steering column that the vehicle is included as any one of claim 1-8 is total
Into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410453056.2A CN104843050B (en) | 2014-09-05 | 2014-09-05 | A kind of column assy and the vehicle with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410453056.2A CN104843050B (en) | 2014-09-05 | 2014-09-05 | A kind of column assy and the vehicle with it |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104843050A CN104843050A (en) | 2015-08-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230257017A1 (en) * | 2022-01-12 | 2023-08-17 | Nexteer Automotive (Suzhou) Co., Ltd. | Electrically adjustable steering column and electric power steering system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105151194A (en) * | 2015-08-20 | 2015-12-16 | 北京新能源汽车股份有限公司 | Battery pack protection device and electric vehicle with battery pack protection device |
| CN105329308B (en) * | 2015-10-30 | 2017-12-12 | 奇瑞汽车股份有限公司 | A kind of column assy |
| JP6609211B2 (en) * | 2016-03-28 | 2019-11-20 | 富士機工株式会社 | Steering column device |
| CN111376968A (en) * | 2018-12-28 | 2020-07-07 | 观致汽车有限公司 | Crumple energy absorption device of steering mechanism |
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