CN109353402A - A kind of automobile steering drive shaft endergonic structure - Google Patents
A kind of automobile steering drive shaft endergonic structure Download PDFInfo
- Publication number
- CN109353402A CN109353402A CN201811406359.3A CN201811406359A CN109353402A CN 109353402 A CN109353402 A CN 109353402A CN 201811406359 A CN201811406359 A CN 201811406359A CN 109353402 A CN109353402 A CN 109353402A
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- China
- Prior art keywords
- sleeve
- drive shaft
- interconnecting piece
- steering drive
- automobile steering
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000012545 processing Methods 0.000 abstract description 2
- 208000027418 Wounds and injury Diseases 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 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 automobile steering drive shaft endergonic structures, including the top connection being connected with steering system and lower contact, the intermediate sleeve between top connection and lower contact, two round tubes disposed in parallel are symmetrically connected between the intermediate sleeve and top connection, lower contact, wherein, the shared plane for connecting the axis of two round tubes of top connection intersects certain angle with the shared plane of the axis of two round tubes of connection lower contact.Of the invention novel in design, structure is simple, facilitates processing.Torque can be effectively transmitted when normally travel, fork structure up and down is cooperatively formed by four round tubes and sleeve, similar universal joint, when automobile collides, multiple directions deformation can occur for intermediate sleeve, while ball between round tube and sleeve rolls, and decay tire and subframe is transmitted to the impact of steering wheel, energy-absorbing effect is good, improves vehicle safety.Each part deformation direction is inconsistent, and the part not damaged secondary can use, save the cost.
Description
Technical field
The present invention relates to a kind of automobile steering drive shaft endergonic structures, belong to automobile steering system technical field.
Background technique
Steering wheel and rigid steering column are the main element of driver's injury, the injury of driver when automobile collides
Degree depends on the severe degree of driver Yu in-car accessories secondary collision, moves back to reduce steering system and causes to hurt to driver
Evil is very necessary to the design of the anti-wound of steering mechanism's energy-absorbing.The major way of steering drive axle endergonic structure, which has, at present is turning to
Cooperated between the upper-lower section of transmission shaft using the inside and outside spline slide for having wear-resistant coating layer, simple ball is slidably matched, and misplaces
Buffering, netted, undulatory deformation of timbering buffering etc., first three can only play axial energy-absorbing function, and the 4th kind of all directions are inhaled
Energy effect is preferable, but processes complexity, involves great expense, and cannot reuse, causes waste of material.
Under a kind of steering with anti-collision energy absorption damping device as disclosed in license notification number CN204341177U
Driving-shaft assembly, is pitched and is had by multiple sections and include lower turning sleeve, lower steering shaft, shaft coupling piece, rubber disc, locking nut, short
The anti-collision energy absorption damping device of the components such as rivet, bolt composition, so that automobile is in the process of moving due to steering shaft, casing pressure riveting knot
It closes, crumple power is effectively ensured, and rubber disc plays good cushioning effect, so that column assy design complies fully with
The requirement of international GB11557-2011 increases the safety of running car.But should structure is complicated, relative usage material and
Later maintenance cost can greatly increase.
Summary of the invention
Place in view of the deficiency of the prior art, the object of the present invention is to provide a kind of automobile steering drive shaft energy-absorbings
Structure combines the energy-absorbing effect of material deformation and ball sliding, realizes multiple sides under the premise of guaranteeing effectively transmitting torque
To energy is absorbed, reduces steering system and move back the injury to driver.Its is simple and reliable for structure, novel in design, cheap.
To achieve the goals above, the technical scheme is that
A kind of automobile steering drive shaft endergonic structure, including be connected with steering system top connection and lower contact, positioned above connecing
Intermediate sleeve between head and lower contact, the intermediate sleeve are parallel with being symmetrically connected with two between top connection, lower contact
The round tube of setting, wherein connect the shared plane of the axis of two round tubes of top connection and the axis for two round tubes for connecting lower contact
Shared plane intersect certain angle.
Further, the intermediate sleeve includes upper interconnecting piece, middle interconnecting piece and lower interconnecting piece, the upper interconnecting piece
It is symmetrically arranged with two first sleeves through the connection lower contact of interference grafting round tube；There are two warps for the lower interconnecting piece setting
Interference grafting round tube connects the second sleeve of the top connection, the shared plane of the axis of two first sleeves and two institutes
State the shared plane intersection certain angle of the axis of second sleeve.
Further, the first sleeve and second sleeve are fixedly installed far from one end of institute's connecting circular tube certain
The pipe cap being separated under impact force, pipe cap, which is covered, to be play a part of to limit round tube axial movement in each sleeve tail portion.
Further, the outer peripheral surface that the first sleeve connects one end of pipe cap with second sleeve is provided with annular protrusion,
It ploughs to be provided in the pipe cap tail portion and matches limitation round tube annular flange in axial sliding with the protrusion.
Further, several balls are provided between the first sleeve and second sleeve inner wall and institute's connecting circular tube outer wall.
Further, it is the annular that arc-shaped limits ball position that several cross sections are provided on the circular tube external wall
Groove guarantees that round tube and ball are combined together always.
Further, the axis of the shared plane and two second sleeves of the axis of two first sleeves 7
Shared plane intersects 90 degree.
Further, the upper and lower surface of the middle interconnecting piece is provided with the recessed portion for induced distortion direction.
Further, the upper interconnecting piece, middle interconnecting piece and lower interconnecting piece are integrally formed.
Compared with prior art, the beneficial effect comprise that
The invention is novel in design, and structure is simple, facilitates processing.Torque can be effectively transmitted when normally travel, pass through four round tubes and set
Cylinder cooperatively forms fork structure up and down, and similar universal joint, when automobile collides, multiple directions change can occur for intermediate sleeve
Shape, while the ball rolling between round tube and sleeve, decaying tire and subframe are transmitted to the impact of steering wheel, and energy-absorbing effect is good,
Improve vehicle safety.Each part deformation direction is inconsistent, and the part not damaged secondary can use, save the cost.
Detailed description of the invention
Fig. 1 is structure schematic diagram of the invention.
Fig. 2 is intermediate sleeve structure schematic diagram.
Fig. 3 is a sleeve, round tube, ball, pipe cap sectional arrangement drawing.
Fig. 4 is the installation diagram of the present invention in the steering system.
Wherein: 1- intermediate sleeve, 2- round tube, 3- pipe cap, 4- top connection, 5- lower contact, 6- ball, 7- first sleeve；8-
Second sleeve；9- recessed portion.
Specific embodiment
The purpose of the present invention is described in further detail below by specific embodiment, embodiment cannot herein one by one
It repeats, but therefore embodiments of the present invention are not limited to the following examples.
As shown in Fig. 1, a kind of automobile steering drive shaft endergonic structure, including the top connection 4 being connected with steering system
Intermediate sleeve 1 with lower contact 5, between top connection 4 and lower contact 5, the intermediate sleeve 1 and top connection 4,
Two round tubes 2 disposed in parallel are symmetrically connected between lower contact 5, wherein the axis of two round tubes 2 of connection top connection 4
Shared plane intersects 90 degree with the shared plane of the axis for two round tubes 2 for connecting lower contact 5.
Wherein, as shown in Fig. 2, the intermediate sleeve 1 includes integrally formed upper interconnecting piece, middle interconnecting piece and lower company
Socket part, the upper and lower surface of the middle interconnecting piece are provided with recessed portion 9, are used for induced distortion direction；The upper interconnecting piece pair
There are two the first sleeves 7 that lower contact 5 is connected through interference grafting round tube 2 for the setting of title；There are two the lower interconnecting piece settings
Connect 4 second sleeve 8 of top connection through interference grafting round tube 2, the shared plane of the axis of two first sleeves 7 with
The shared plane of the axis of two second sleeves 8 intersects 90 degree.It is the preferable metal material of ductility at each sleeve connection,
Conducive to deformation energy-absorbing.
As shown in figure 3, the first sleeve 7 and second sleeve 8 are fixedly installed far from one end of institute's connecting circular tube 2
The pipe cap 3 being separated under certain impact power, 3 sets of pipe cap are play a part of to limit the axial movement of round tube 2 in each sleeve tail portion.
The outer peripheral surface of one end that the first sleeve 7 and second sleeve 8 connect pipe cap 3 is provided with annular protrusion, the pipe
It ploughs to be provided in 3 tail portion of cap and matches limitation round tube 2 annular flange in axial sliding with the protrusion.The first sleeve 7
It is provided with several balls 6 between 2 outer wall of 8 inner wall of second sleeve and institute's connecting circular tube, is provided on 2 outer wall of round tube
Twice cross section is the annular groove that arc-shaped limits 6 position of ball, guarantees that round tube and ball are combined together always.
As shown in figure 4, the top connection 4, lower contact 5 are connect with the other positions of steering system, motor turning at this time is passed
Moving axis endergonic structure can normally transmit torque, realize motor turning function.When automobile collides and is expressed to steering system,
Intermediate sleeve 1 absorbs part energy by the deformation of middle interconnecting piece and adjusts direction first, in accordance with Impact direction, when
When axial force is more than scope of design, the round tube 2, which acts on pipe cap 3, makes it fall off, at this time intermediate sleeve 1 and round tube
2 occur to slide relatively by ball 6, pass through the steady energy-absorbing that rubs.
Embodiment of the present invention are not limited by the above embodiments, other any without departing from spirit of the invention
The changes, modifications, substitutions, combinations, simplifications done under essence and principle, should be equivalent substitute mode, are included in this hair
Within bright protection scope.
Claims (9)
1. a kind of automobile steering drive shaft endergonic structure, it is characterised in that: including the top connection (4) being connected with steering system
Intermediate sleeve (1) with lower contact (5), between top connection (4) and lower contact (5), the intermediate sleeve (1) with it is upper
Two round tubes (2) disposed in parallel are symmetrically connected between connector (4), lower contact (5), wherein the two of connection top connection (4)
The shared plane of the axis of round tube (2) intersects certain angle with the shared plane of the axis of two round tubes (2) of connection lower contact (5)
Degree.
2. according to automobile steering drive shaft endergonic structure described in claim (1), it is characterised in that: the intermediate sleeve
It (1) include upper interconnecting piece, middle interconnecting piece and lower interconnecting piece, the upper interconnecting piece is symmetrically arranged with two through interference grafting circle
Manage the first sleeve (7) of (2) connection lower contact (5)；There are two connect through interference grafting round tube (2) for the lower interconnecting piece setting
Connect the top connection (4) second sleeve (8), the shared plane of the axis of two first sleeves (7) with two described second
The shared plane of the axis of sleeve (8) intersects certain angle.
3. according to automobile steering drive shaft endergonic structure described in claim (2), it is characterised in that: the first sleeve (7)
The pipe cap being separated under certain impact power is fixedly installed far from one end of institute's connecting circular tube (2) with second sleeve (8)
(3)。
4. according to automobile steering drive shaft endergonic structure described in claim (3), it is characterised in that: the first sleeve (7)
The outer peripheral surface of one end of second sleeve (8) connection pipe cap (3) is provided with annular protrusion, ploughs and sets in pipe cap (3) tail portion
It is equipped with and matches limitation round tube (2) annular flange in axial sliding with the protrusion.
5. according to automobile steering drive shaft endergonic structure described in claim (2), it is characterised in that: the first sleeve (7)
Several balls (6) are provided between second sleeve (8) inner wall and institute connecting circular tube (2) outer wall.
6. automobile steering drive shaft endergonic structure according to claim 5, it is characterised in that: described round tube (2) outer wall
On be provided with several cross sections be arc-shaped limit ball (6) position annular groove.
7. automobile steering drive shaft endergonic structure according to claim 2, it is characterised in that: two first sleeves
(7) the shared plane of axis intersects 90 degree with the shared plane of the axis of two second sleeves (8).
8. automobile steering drive shaft endergonic structure according to claim 2, it is characterised in that: the middle interconnecting piece it is upper
Lower surface is provided with the recessed portion (9) for induced distortion direction.
9. automobile steering drive shaft endergonic structure according to claim 2, it is characterised in that: the upper interconnecting piece, in
Between interconnecting piece and lower interconnecting piece be integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811406359.3A CN109353402A (en) | 2018-11-23 | 2018-11-23 | A kind of automobile steering drive shaft endergonic structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811406359.3A CN109353402A (en) | 2018-11-23 | 2018-11-23 | A kind of automobile steering drive shaft endergonic structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109353402A true CN109353402A (en) | 2019-02-19 |
Family
ID=65338717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811406359.3A Pending CN109353402A (en) | 2018-11-23 | 2018-11-23 | A kind of automobile steering drive shaft endergonic structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109353402A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020046637A (en) * | 2000-12-15 | 2002-06-21 | 류정열 | Universial joint assembly for absorbing crash power |
| CN205737678U (en) * | 2016-05-11 | 2016-11-30 | 邵阳学院 | A kind of New Sleeve energy-absorbing steering tube column |
| CN207345912U (en) * | 2017-11-03 | 2018-05-11 | 许昌学院 | A kind of new type of safe steering column |
| CN209757240U (en) * | 2018-11-23 | 2019-12-10 | 华南理工大学 | Energy absorption structure of automobile steering transmission shaft |
-
2018
- 2018-11-23 CN CN201811406359.3A patent/CN109353402A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020046637A (en) * | 2000-12-15 | 2002-06-21 | 류정열 | Universial joint assembly for absorbing crash power |
| CN205737678U (en) * | 2016-05-11 | 2016-11-30 | 邵阳学院 | A kind of New Sleeve energy-absorbing steering tube column |
| CN207345912U (en) * | 2017-11-03 | 2018-05-11 | 许昌学院 | A kind of new type of safe steering column |
| CN209757240U (en) * | 2018-11-23 | 2019-12-10 | 华南理工大学 | Energy absorption structure of automobile steering transmission shaft |
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