CN110001756A - A kind of steering column collapsing structure, column assy and automobile - Google Patents
A kind of steering column collapsing structure, column assy and automobile Download PDFInfo
- Publication number
- CN110001756A CN110001756A CN201910358826.8A CN201910358826A CN110001756A CN 110001756 A CN110001756 A CN 110001756A CN 201910358826 A CN201910358826 A CN 201910358826A CN 110001756 A CN110001756 A CN 110001756A
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- China
- Prior art keywords
- steering column
- column
- clamping piece
- intermediate plate
- bracket
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Classifications
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- 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
- B62D1/195—Yieldable supports for the steering column
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- 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 steering column collapsing structures, including the fixation bracket for being fixedly connected with vehicle body and the tubular column bracket for being fixedly connected with steering column, the tubular column bracket includes the link block being fixedly connected with the upper column casing of steering column, the link block two sides are equipped with trunnion, the trunnion is equipped with the notch of opening upwards, trunnion is folded with the first clamping piece being in U-shape at notch position, the first clamping piece is equipped with installation via hole corresponding with notch position, first clamping piece is connect with fixed bracket using fastener, first clamping piece is clamped under the action of fastener and is bonded with trunnion surface.It can be realized the adjusting of crumple power, and structure is simple, is easily installed manufacture.The invention also discloses a kind of column assys and automobile with above-mentioned steering column collapsing structure.
Description
Technical field
The present invention relates to automobile steering systems, and in particular to a kind of steering column collapsing structure, column assy and vapour
Vehicle.
Background technique
Steering column is a key components and parts in automobile steering system, which carries support steering wheel, to
While diverter transmits the functions such as steering moment, there are also crumple energy-absorbings, to achieve the purpose that protect driver.The prior art
In, the crumple function of steering column generally pass through steering column upper bracket two pull block realization.
Currently, steering column crumple function mainly pulls block structure by two of tubular column bracket 2 to realize.Referring to Fig. 1
And Fig. 2, it pulls block 8 and is fixed on the side trunnion 22 of tubular column bracket 2 by shear pin 9, tubular column bracket 2 is welded to steering tube
The upper column casing 11 of column 1.When a vehicle is in a collision, after steering column 1 is by impact force axially downward, block 8 and pipe are pulled
Shear pin 9 between column holder 2 is broken, tubular column bracket 2 with pull after block 8 separates, glide with upper column casing 11 and complete crumple suction
Energy.
It pulls block 8 to be fixed on tubular column bracket 2 by shear pin 9, complex manufacturing technology, Shooting Technique controls quality will
The direct size for determining to pull block Yu tubular column bracket separating force, is not easy to adjust.And pulling block is aluminum material, higher cost.
CN104960565A discloses a kind of steering column collapsing structure and the steering column using this structure, including is used for
The upper mounting bracket being fixedly connected with vehicle body, the middle section evagination of the upper mounting bracket and its left section and right section it is straight；Also wrap
Include the tubular column bracket for being fixedly connected with automobile steering pipe, the tubular column bracket is inverted U shape, the inverted U-shaped left side and
Right edge is parallel, and left side and right edge are close to inverted U-shaped bottom stretching trunnion；Left section and right section of difference of the upper mounting bracket
It is fixedly connected with a slippage block, the slippage block is fixedly connected with the trunnion injection molding type of tubular column bracket；In the upper mounting bracket
Section evagination position is provided with and the consistent guide groove in steering column crumple direction；The corresponding guiding in the inverted U-shaped bottom of the tubular column bracket
Slot is provided with threaded hole；One chute bolt passes through guide groove and tightens fixed in threaded hole.Since it slips block and tubular column bracket
Trunnion injection molding type be fixedly connected, manufacturing process is complicated, is unfavorable for adjusting the size for slipping block and tubular column bracket separating force, i.e., not
It is able to satisfy the crumple demand of the steering column of different crumple power.
Summary of the invention
The object of the present invention is to provide a kind of steering column collapsing structure, column assy and automobiles, can be realized
Crumple power is adjusted, and structure is simple, is easily installed manufacture.
Steering column collapsing structure of the present invention, including for being fixedly connected with vehicle body fixation bracket and for
The tubular column bracket that steering column is fixedly connected, the tubular column bracket include the connection being fixedly connected with the upper column casing of steering column
Block, the link block two sides are equipped with trunnion, and the trunnion is equipped with the notch of opening upwards, and trunnion is folded at notch position
The first clamping piece being in U-shape, the first clamping piece are equipped with installation via hole corresponding with notch position, using fastener by first
Intermediate plate is connect with fixed bracket, and first clamping piece is clamped under the action of fastener and is bonded with trunnion surface.When upper column casing is along axial
When by downward impact force, which can be transmitted to column casing, tubular column bracket and be held on tubular column bracket notch position
First clamping piece on, the frictional force of the contact surface of the inner surface of the trunnion outer surface and first clamping piece of tubular column bracket is because being less than the punching
Power is hit, opposite sliding will occur, and since first clamping piece is equipped with installation via hole, is connect using fastener with fixed bracket, into
And first clamping piece is separated with the sliding of the trunnion of tubular column bracket, realizes the crumple separation energy-absorbing of tubular column bracket.
Further, the first clamping piece includes intermediate plate and the first rear jaw before integrally formed first, first fore-clamp
Piece and the first rear jaw collectively form U-shaped, and the first fore-clamp on piece is provided with preceding hole, after being provided on first rear jaw
Hole, the preceding hole and metapore are correspondingly arranged, and form the installation via hole.
Further, the second intermediate plate being in U-shape is equipped between the first clamping piece and notch, the second intermediate plate includes one
Intermediate plate and the second rear jaw before molding second, intermediate plate and the second rear jaw collectively form U-shaped before described second, before described second
The junction of intermediate plate and the second rear jaw is formed with notch corresponding with notch.
Further, the surface of the first clamping piece and second intermediate plate carries out spray painting or electroplating processes, to reduce between the two
Coefficient of friction.
Further, the fastener includes the projection welding stud on fixed bracket and the spiral shell with projection welding stud cooperation
It is female.
Further, the installation via hole is strip-shaped hole, is moved towards parallel with steering column axis direction.
A kind of column assy, including lower prop, upper column casing and steering column collapsing structure, the upper column casing are arranged
In on lower prop, the steering column collapsing structure is set on upper column casing side wall, and the steering column collapsing structure is above-mentioned
Steering column collapsing structure.
A kind of automobile, the automobile include above-mentioned column assy.
The present invention has the advantages that compared with prior art.
1, the present invention passes through first clamping piece reality due to being folded with first clamping piece at the notch position of the trunnion in tubular column bracket
Existing tubular column bracket and support bracket fastened connection convenient for separation when by impact force, and then realize the crumple energy-absorbing of tubular column bracket, knot
Structure is simple, is easily installed manufacture, and can realize first clamping piece and trunnion skin-friction force by adjusting the fastening force of fastener
Adjusting increase application range so that the collapsing structure meets the requirement of different crumple power.
2, the present invention is between first clamping piece and notch by being arranged the second intermediate plate being in U-shape, and adjusts first clamping piece and the
Coefficient of friction between two intermediate plates is more convenient compared to the coefficient of friction adjusted between first clamping piece and trunnion, can be preferably
Realize the adjusting of crumple power.
3, the installation via hole in first clamping piece of the present invention is strip-shaped hole, can satisfy the assembly of the projection welding stud of different location
Demand increases the fitting allowance of fastener, versatile.
Detailed description of the invention
Fig. 1 is existing steering column collapsing structure schematic diagram；
Fig. 2 is the C-C cross-sectional view in Fig. 1；
Fig. 3 is structural schematic diagram of the invention；
Fig. 4 is the structural schematic diagram of tubular column bracket of the invention；
Fig. 5 is the A-A cross-sectional view in Fig. 4；
Fig. 6 is the B-B cross-sectional view in Fig. 4；
Fig. 7 is the status diagram before crumple；
Fig. 8 is the status diagram after crumple.
In figure, 1-steering column, 11-upper column casings, 12-lower props, 2-tubular column brackets, 21-link blocks, 22-
Ear, 23-notches, 3-first clamping pieces, 31-install via holes, intermediate plate before 32-the first, the 33-the first rear jaw, the 4-the second folder
Piece, 41-notches, intermediate plate before 42-the second, the 43-the second rear jaw, 5-fixed brackets, 6-projection welding studs, 7-nuts, 8-
Pull block, 9-shear pins.
Specific embodiment
It elaborates with reference to the accompanying drawing to the present invention.
Referring to Fig. 3 to Fig. 8, shown in steering column collapsing structure, including the fixation bracket 5 for being fixedly connected with vehicle body
With the tubular column bracket 2 for being fixedly connected with steering column 1, the tubular column bracket 2 includes solid with the upper column casing 11 of steering column 1
Surely the link block 21 connected, 21 two sides of link block are equipped with opening upwards integrally formed with trunnion 22, the trunnion 22
Notch 23, trunnion 22 are folded with the first clamping piece 3 being in U-shape at 23 position of notch, and the first clamping piece 3 is equipped with and notch 23
First clamping piece 3 is connect by the corresponding installation via hole 31 in position using fastener with fixed bracket 5, and first clamping piece 3 is in fastener
Under the action of clamp and be bonded with 22 surface of trunnion.The fastener include the projection welding stud 6 being welded on fixed bracket 5 and with this
The nut 7 that projection welding stud 6 cooperates.
The first clamping piece 3 of the present embodiment include integrally formed first before intermediate plate 32 and the first rear jaw 33, described first
Preceding intermediate plate 32 and the first rear jaw 33 collectively form U-shaped, are provided with preceding hole, first rear jaw before described first on intermediate plate 32
Metapore is provided on 33, the preceding hole and metapore are correspondingly arranged, and form the installation via hole 31.
When specific assembly, the link block 21 on the upper column casing 11 of steering column 1 and tubular column bracket 2 is connected by the way that spot welding is fixed
It connects, forms entirety, then first clamping piece 3 is held on the trunnion 22 of tubular column bracket 2, the installation via hole 31 in first clamping piece 3
It is aligned with the notch 23 on trunnion 22, then by the tubular column bracket 2 for being fixed with steering column 1 and first clamping piece 3 and fixes bracket 5
Mounting portion alignment, the projection welding stud 6 being welded on fixed bracket 5 sequentially pass through the metapore of the first rear jaw 33, notch 23 and the
The preceding hole of intermediate plate 22 before one, extension end screw in nut 7, and intermediate plate 22 and the first rear jaw 23 are received under the action of nut 7 before first
Contracting compresses the trunnion 22 of tubular column bracket 2, and then realizes the mating connection of tubular column bracket 2 and fixed bracket 5.
When upper column casing 11 along axial direction by downward impact force when, which can be transmitted to column casing 11, tubular column bracket 2
And it is held in the first clamping piece 3 of 2 notch of tubular column bracket, 23 position, 22 outer surface of trunnion of tubular column bracket 2 and first clamping piece 3
The frictional force of contact surface of inner surface be less than the impact force, there is opposite sliding in the two, and since first clamping piece 3 is equipped with peace
Via hole is filled, is connect using fastener with fixed bracket 5, the link block of tubular column bracket 2 is welded and fixed with upper column casing 11, and then first
Intermediate plate 3 is immovable by fastener constraint, and trunnion 22 is with upper 11 slide downward of column casing, trunnion 22 and the sliding point of first clamping piece 3
From rear, the crumple separation energy-absorbing of tubular column bracket 2 terminates.
Optionally, referring to Fig. 3, Fig. 5 and Fig. 6, the second intermediate plate being in U-shape is equipped between the first clamping piece 3 and notch 23
4, the second intermediate plate 4 includes intermediate plate 42 and the second rear jaw 43 before integrally formed second, intermediate plate 42 and the before described second
Two rear jaws 43 collectively form U-shaped, and the junction of intermediate plate 42 and the second rear jaw 43 is formed with and 23 phase of notch before described second
Corresponding notch 41.In the present embodiment, the setting of second intermediate plate 4 both ensure that the connection of first clamping piece 3 Yu trunnion 22, while by
It is that link block 21 extends integrated molding in trunnion 22, if being only surface-treated in notch position 23, improves process hardly possible
Degree, reduces manufacture efficiency, is unfavorable for continuous industrial production, compared to the friction adjusted between first clamping piece 3 and trunnion 22
Coefficient, the friction adjusted between first clamping piece 3 and second intermediate plate 4 is more convenient.
Optionally, the surface of the first clamping piece 3 and second intermediate plate 4 carries out spray painting or electroplating processes, to reduce the two
Between coefficient of friction.It is preferred that being handled using spray painting, simple process and low cost, the period is short, convenient for control painting quality.
Optionally, referring to Fig. 3 and Fig. 4, the installation via hole 31 is strip-shaped hole, and trend is flat with steering column axis direction
Row.The assembly demand that can satisfy the projection welding stud 6 of different location increases the fitting allowance of fastener, versatile.
A kind of column assy, including lower prop 12, upper column casing 11 and steering column collapsing structure, the upper column casing
11 are sheathed on lower prop 12, and the steering column collapsing structure is set on upper 11 side wall of column casing, the steering column crumple knot
Structure is above-mentioned steering column collapsing structure, and 12 lower end of lower prop is fixedly connected by bolt with fixed 5 lower part of bracket.
A kind of automobile, the automobile include above-mentioned column assy.
More than, only a specific embodiment of the invention, but scope of protection of the present invention is not limited thereto, and it is any to be familiar with
Those skilled in the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all cover
Within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (8)
1. a kind of steering column collapsing structure, including the fixation bracket (5) for being fixedly connected with vehicle body and it is used for and steering tube
The tubular column bracket (2) that column (1) is fixedly connected, it is characterised in that: the tubular column bracket (2) includes the upper prop with steering column (1)
The link block (21) that cylinder (11) is fixedly connected, link block (21) two sides are equipped with trunnion (22), and the trunnion (22) is equipped with
The notch (23) of opening upwards, trunnion (22) are folded with the first clamping piece (3) being in U-shape at notch (23) position, and described first
Intermediate plate (3) is equipped with installation via hole (31) corresponding with notch (23) position, will be first clamping piece (3) and fixed using fastener
Bracket (5) connection, first clamping piece (3) are clamped under the action of fastener and are bonded with trunnion (22) surface.
2. steering column collapsing structure according to claim 1, it is characterised in that: the first clamping piece (3) includes one
Intermediate plate (32) and the first rear jaw (33) before molding first, intermediate plate (32) and the first rear jaw (33) common structure before described first
At U-shaped, preceding hole is provided with before described first on intermediate plate (32), metapore, the preceding hole are provided on first rear jaw (33)
It is correspondingly arranged with metapore, forms the installation via hole (31).
3. steering column collapsing structure according to claim 1 or 2, it is characterised in that: the first clamping piece (3) and notch
(23) second intermediate plate (4) being in U-shape is equipped between, the second intermediate plate includes intermediate plate (42) and second before integrally formed second
Rear jaw (43), intermediate plate (42) and the second rear jaw (43) collectively form U-shaped before described second, intermediate plate and second before described second
The junction of rear jaw is formed with notch (41) corresponding with notch (23).
4. steering column collapsing structure according to claim 3, it is characterised in that: the first clamping piece (3) and the second folder
The surface of piece (4) carries out spray painting or electroplating processes, to reduce coefficient of friction between the two.
5. steering column collapsing structure according to claim 1 or 2, it is characterised in that: the fastener includes being set to admittedly
Projection welding stud (6) on fixed rack (5) and the nut (7) with the projection welding stud (6) cooperation.
6. steering column collapsing structure according to claim 1 or 2, it is characterised in that: the installation via hole (31) is item
Shape hole is moved towards parallel with steering column (1) axis direction.
7. a kind of column assy, including lower prop (12), upper column casing (11) and steering column collapsing structure, the upper prop
Cylinder (11) is sheathed on lower prop (12), and the steering column collapsing structure is set on upper column casing (11) side wall, it is characterised in that:
The steering column collapsing structure is steering column collapsing structure according to any one of claims 1 to 6.
8. a kind of automobile, it is characterised in that: the automobile includes column assy as claimed in claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910358826.8A CN110001756A (en) | 2019-04-30 | 2019-04-30 | A kind of steering column collapsing structure, column assy and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910358826.8A CN110001756A (en) | 2019-04-30 | 2019-04-30 | A kind of steering column collapsing structure, column assy and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110001756A true CN110001756A (en) | 2019-07-12 |
Family
ID=67175181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910358826.8A Pending CN110001756A (en) | 2019-04-30 | 2019-04-30 | A kind of steering column collapsing structure, column assy and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110001756A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102834310A (en) * | 2011-04-14 | 2012-12-19 | 日本精工株式会社 | Steering device |
| CN203666757U (en) * | 2013-12-26 | 2014-06-25 | 安徽江淮汽车股份有限公司 | Crumple energy absorption structure of steering column |
| EP2599685B1 (en) * | 2011-11-29 | 2015-07-15 | FUJI KIKO Co., Ltd. | Steering column apparatus |
| CN104955710A (en) * | 2013-01-30 | 2015-09-30 | 株式会社捷太格特 | Steering-column device |
| JP2015229409A (en) * | 2014-06-04 | 2015-12-21 | 株式会社ジェイテクト | Steering device |
-
2019
- 2019-04-30 CN CN201910358826.8A patent/CN110001756A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102834310A (en) * | 2011-04-14 | 2012-12-19 | 日本精工株式会社 | Steering device |
| EP2599685B1 (en) * | 2011-11-29 | 2015-07-15 | FUJI KIKO Co., Ltd. | Steering column apparatus |
| CN104955710A (en) * | 2013-01-30 | 2015-09-30 | 株式会社捷太格特 | Steering-column device |
| CN203666757U (en) * | 2013-12-26 | 2014-06-25 | 安徽江淮汽车股份有限公司 | Crumple energy absorption structure of steering column |
| JP2015229409A (en) * | 2014-06-04 | 2015-12-21 | 株式会社ジェイテクト | Steering device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190712 |
|
| RJ01 | Rejection of invention patent application after publication |