CN101264768B - Impact absorption steering apparatus - Google Patents
Impact absorption steering apparatus Download PDFInfo
- Publication number
- CN101264768B CN101264768B CN2008100864821A CN200810086482A CN101264768B CN 101264768 B CN101264768 B CN 101264768B CN 2008100864821 A CN2008100864821 A CN 2008100864821A CN 200810086482 A CN200810086482 A CN 200810086482A CN 101264768 B CN101264768 B CN 101264768B
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- groove
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- supporting bracket
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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
- B62D1/192—Yieldable or collapsible columns
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/04—Padded linings for the vehicle interior ; Energy absorbing structures associated with padded or non-padded linings
- B60R21/05—Padded linings for the vehicle interior ; Energy absorbing structures associated with padded or non-padded linings associated with the steering wheel, steering hand lever or steering column
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/12—Vibration-dampers; Shock-absorbers using plastic deformation of members
- F16F7/125—Units with a telescopic-like action as one member moves into, or out of a second member
- F16F7/126—Units with a telescopic-like action as one member moves into, or out of a second member against the action of shear pins; one member having protuberances, e.g. dimples, ball bearings which cause the other member to deform
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Steering Controls (AREA)
Abstract
The invention discloses an impact absorption steering apparatus. In an embodiment, the apparatus includes: a mounting bracket for supporting an outer tube so as to fix the outer tube in a chassis of a vehicle; and a plate bracket which has one opened side and another side assembled with the mounting bracket, the plate bracket enclosing the outer tube, wherein the plate bracket is fixedly assembled with the mounting bracket, at least one protuberance is formed at an inner side of a guide part of the mounting bracket, and at least one groove is formed at each end of both sides of the plate bracket in such a manner that the groove corresponds to the protuberance. The protuberance engages with the groove tightly and is fixed in it, when impact energy is applied to a steering column, load generated by impact is absorbed by relative movement of the groove and the protuberance. Consequently, product cost is reduced efficiently, and complexity of manufacturing process is simplified.
Description
[technical field]
The present invention is relevant for a kind of steering hardware (impact absorption steeringapparatus) of impact absorption, and particularly have the groove (groove) or a steering hardware of the impact absorption of projection (protuberance) relevant for a kind of, this groove or this projection is arranged at supporting bracket and flat bracket, utilize bladder and tear panel to come the device of the shock effect of absorbable steering column (steering column) to replace prior art, projection tight engagement of the present invention is in this groove and be fixed in wherein, when impact energy puts on Steering gear, the load that produces because of bump will be absorbed by relatively moving between this groove and this this projection.Therefore, can effectively reduce manufacturing cost, and simplify the complexity of manufacturing process, and use and reduce manufacturing cost and simplify manufacturing process.
[background technology]
Traditionally, Steering gear (steering column) be for a kind of around and the device that supports a steering shaft (steering shaft), this steering shaft is sent to one tooth bar/miniature gears (rack-pinion) mechanism in order to the spinning force of the driver being operated a bearing circle (steering wheel) generation, and this Steering gear is fixed in the chassis of vehicle by a support, so that this steering shaft is fixed in an ad-hoc location.
When vehicle collision during, driver's upper part of the body crash direction dish, thereby cause injured to an object.For fear of this kind situation, usually use Steering gear with impact absorption, this Steering gear has the function of avalanche (collapse), allow Steering gear and steering shaft to shrink along its direction of principal axis, in when, particularly during driving the bump accident taking place, the driver withstands bearing circle above the waist because inertia is so that clash into.Therefore the upper part of the body as the driver withstands bearing circle, and the Steering gear and the steering shaft that are positioned at the vehicle first half will shrink, and puts on one's body the driver to reduce impact effect.
Yet collision produces bump and the Impact energy that is sent to bearing circle is to decide according to the state of driver and vehicle between this bearing circle and the driver.For instance, when high vehicle speeds, will produce bigger Impact energy, and, produce less Impact energy when vehicle during with low speed driving.Further, the Impact energy size that puts on bearing circle is decided according to various conditions, for example the effect of the degree of wear of driver's safety strap on one's body and safety air bag and deciding.Develop in the prior art and a kind of steering hardware and solve the problems referred to above with tear panel.
Fig. 1 is the lateral plan for the steering column for vehicle of existing impact absorption.The Steering gear 100 of this impact absorption comprises steering shaft 102, inner sleeve 110, outer tube 120, supporting bracket (mountingbracket) 130, tear panel (tearing plate) 170 and flat bracket (plate bracket) 180.Steering shaft 102 has upper end that is connected in bearing circle (not shown) and the bottom that is connected in tooth bar/pinion gear mechanism (not shown).Inner sleeve 110 is around this steering shaft 102, and this outer tube 120 is surrounded on outside this inner sleeve 110.This supporting bracket 130 supports the circumferential surface of this outer tube 120, and fits together by the chassis 104 of bladder 140 with vehicle.One end of this tear panel 170 utilizes an anchor fitting to be fixed in bladder 140, and the other end utilizes a connecting element 150 to be fixed in this supporting bracket 130.Flat bracket 180 is open around these outer tube 120, one sides, and another side and this supporting bracket 130 fit together.
When driver's the upper part of the body collided this bearing circle because of Vehicular impact, Steering gear 100 shrank along a direction (that is the direction of transfer of Impact energy or avalanche direction), and this bump power puts on this bearing circle.Then, supporting bracket 130 moves to this outer tube 120 and is close together along the direction by the bladder 140 that is fixed in this chassis 104.
That is when bumping, supporting bracket 130 is spun off by this bladder 140, and comes off from this chassis 104 easily, and moves along the avalanche direction of Impact energy transmission, and wherein this Steering gear 100 shrinks along this direction.
In addition, Steering gear 100 shrinks, to allow supporting bracket 130 and this bladder 140 to produce relative motion, make supporting bracket 130 move downward, the external force effect that this tear panel 170 receives from bladder 140 and supporting bracket 130, the direction of application force is opposite, makes the connecting element 160 of supporting bracket 130 change the shape of this tear panel 170, with the energy that impact absorption was produced.
The Steering gear of above-mentioned existing impact absorption utilizes a bladder 140 and tear panel 170, absorbs impact energy when avalanche.Therefore manufacturing cost is higher, and manufacturing process is complicated, and manufacturing time is long.
[summary of the invention]
The main purpose of the steering hardware of impact absorption of the present invention is to address the above problem, mainly be arranged at supporting bracket and flat bracket with a groove or a projection, utilize bladder and tear panel to come the device of the shock effect of absorbable steering column to replace prior art, projection tight engagement of the present invention is in this groove and be fixed in wherein, when impact energy put on Steering gear, the load meeting that produces because of bump was absorbed by relatively moving between this groove and this projection.
In one embodiment, this steering hardware comprises a supporting bracket, in order to support an outer tube, to fix the chassis of this outer tube in a vehicle; And a flat bracket, having a side and another side, this side is open, and this another side and this supporting bracket fit together, and this supporting bracket is around this outer tube; Wherein this flat bracket is assembled in supporting bracket with fixed form, the guiding inner side edge of this supporting bracket is provided with at least one projection, cooresponding with this at least one projection, each end of the dual-side of this flat bracket is provided with at least one groove, wherein the width of this projection is greater than the width of this groove, described at least one projection is provided with at least one first model groove, the described first model groove stretches into and runs through this projection, described at least one groove is provided with at least one second model groove, and the described second model groove is corresponding to the described first model groove, and a model spare stretches to described first model groove and the described second model groove.This projection is provided with a face shaping, and this face shaping is to form an even width and a predetermined length continuously, and this even width dwindles gradually.In another embodiment, this steering hardware comprises a supporting bracket, in order to support an outer tube, to fix the chassis of this outer tube in a vehicle; And a flat bracket, having a side and another side, this side is open, and this another side and this supporting bracket fit together, and this supporting bracket is around this outer tube; This flat bracket is assembled in supporting bracket with fixed form, and each end of the dual-side of this flat bracket is provided with at least one projection, and is cooresponding with this at least one projection, and the guiding inner side edge of this supporting bracket is provided with at least one groove.The width of this groove is less than the width of this projection.This groove is provided with a face shaping, and this face shaping is to be a continuous even width and the predetermined length that form, and this even width becomes big gradually.In addition, in the steering hardware of impact absorption of the present invention, at least one projection is arranged at an inner side edge of a guide member of this supporting bracket, and at least one groove is arranged at each end of the dual-side of this flat bracket, makes this at least one groove corresponding to this at least one projection.The steering hardware of impact absorption of the present invention also comprises at least one first model groove and one second model groove, this first model groove stretches into and runs through this projection, this second model groove is arranged at this groove, and this second model groove is corresponding to this first model groove, and a model spare stretches to this first model groove and this second model groove.
The width of this groove is less than the width of this flat bracket, and the length of this groove is greater than or equal to the length of this projection of this supporting bracket.This first model groove and this second model groove are void shape.This first model groove and this second model groove are line of rabbet joint shape.This second model groove arrives the inside of an elbows of this flat bracket.This second model groove runs through this elbows of this flat bracket.
For foregoing of the present invention can be become apparent, a preferred embodiment cited below particularly, and cooperate appended figure, be described in detail below:
[description of drawings]
Fig. 1 is the lateral plan of the steering column for vehicle of existing impact absorption.
Fig. 2 a is the transparent view according to a part of assembly in the embodiment of the invention, and wherein a supporting bracket and a flat bracket fit together mutually.
Fig. 2 b is that wherein a supporting bracket and a flat bracket fit together mutually according to a structure cut-away view among the present invention first, second and the 3rd embodiment.
Fig. 3 a is the transparent view according to formed first groove of this flat bracket among the present invention first and second embodiment.
Fig. 3 b is the transparent view according to formed second groove of this flat bracket in the third embodiment of the invention.
Fig. 3 c is the transparent view according to formed first projection of the inside face of this supporting bracket in the first embodiment of the invention.
Fig. 3 d is the transparent view according to formed second projection of the inside face of this supporting bracket in the second embodiment of the invention.
Fig. 4 a is that wherein a supporting bracket and a flat bracket fit together mutually according to a structure cut-away view among the present invention the 4th and the 5th embodiment.
Fig. 4 b is the transparent view according to formed the 3rd projection of this flat bracket among the present invention the 4th and the 5th embodiment.
Fig. 4 c is the transparent view according to formed the 3rd groove of the inside face of this supporting bracket in the fourth embodiment of the invention.
Fig. 4 d is the transparent view according to formed the 4th groove of the inside face of this supporting bracket in the fifth embodiment of the invention.
Fig. 5 a is the exploded perspective view according to an assembly in the embodiment of the invention, and wherein the formed first model groove of this supporting bracket and this flat bracket form the second model groove and fit together mutually.
Fig. 5 b is the cutaway view according to a structure in the sixth embodiment of the invention, and wherein this supporting bracket and this flat bracket fit together mutually.
Fig. 6 is the exploded perspective view according to an assembly in the seventh embodiment of the invention, and wherein the formed first model groove of this supporting bracket and this flat bracket form the 3rd model groove and fit together mutually.
[specific embodiment]
This described embodiment is the figure that cooperates with reference to appended, and in following description and the figure, identical label and figure are used to represent identical or similar assembly, describes and will be omitted relevant for identical or the repeatability of similar assembly.
With reference to figure 2a and Fig. 2 b, Fig. 2 a is the transparent view according to a part of assembly in the embodiment of the invention, and wherein a supporting bracket and a flat bracket fit together mutually; Fig. 2 b is that wherein a supporting bracket and a flat bracket fit together mutually according to a structure cut-away view among the present invention first, second and the 3rd embodiment.Shown in Fig. 2 a and Fig. 2 b, first embodiment comprises first supporting bracket (mountingbracket) 220, first flat bracket (plate bracket) 210, several first projections (protuberance) 260 and some first grooves 270.This first supporting bracket 220 supports outer tube 120, to fix the chassis of this outer tube 120 to vehicle.This first supporting bracket 210 is around this outer tube 120, and has an open side, and another side and this first supporting bracket 220 fit together.Each first projection 260 is the inside faces that are arranged at each guide member 230 of this first supporting bracket 220.Each first groove 270 is arranged at the two side ends of this first flat bracket 210, makes this first groove 270 corresponding to this first projection 260.
First supporting bracket 220 supports outer tubes 120, with fixed jacket pipe 120 in the chassis.Fixing groove 240 is arranged at flank spare 245, and this flank spare 245 is positioned at the both sides of this first supporting bracket 220, and this first supporting bracket 220 makes an assembly parts may extend to this fixing groove 240 with the vertical mode setting.
The pedestal spare 225 of first supporting bracket 220 is " U " type, have guide member 230, and be formed at both sides in vertical mode, this pedestal spare 225 is integrated in the end that this flank spare 245 and this flank spare 245 are positioned at this guide member 230.
As shown in the figure, though the length of first projection 260 less than the width of each flank spare 245, yet produce the needed shock-absorbing amount of load according to bump, the length of first projection 260 also can be greater than the width of each flank spare 245.
First flat bracket 210 around this outer tube 120, and have an open side, and another side and this first supporting bracket 220 fit together.
In one embodiment, first flat bracket 210 fits together mutually with these first projection, 260 flush fits (forcibly engaged) for this first groove 270 with these first supporting bracket, 220 stack-mounted modes.
Oblique elongated hole (tilt elongated holes) 250 is arranged at first flat bracket 210, operate in oblique mode to allow Steering gear (as shown in Figure 1), and each first groove 270 is arranged at the both sides of first flat bracket 210, with each projection 260 corresponding to this first supporting bracket 220.
Because each projection 260 of this first supporting bracket 220 and each first groove, 270 mutual tight engagement of this first flat bracket 210, therefore when first flat bracket 210 during along each guide member 230 avalanche, first flat bracket 210 will absorb the load because of the collision generation.
With reference to figure 3a, Fig. 3 b, Fig. 3 c and Fig. 3 d, Fig. 3 a is the transparent view according to these flat bracket 210 formed first grooves among the present invention first and second embodiment; Fig. 3 b is the transparent view according to these flat bracket 210 formed second grooves in the third embodiment of the invention; Fig. 3 c is the transparent view according to formed first projection of inside face of this supporting bracket 220 in the first embodiment of the invention; And Fig. 3 d is the transparent view according to formed second projection of inside face of this supporting bracket 220 in the second embodiment of the invention.Shown in Fig. 3 a, Fig. 3 b, Fig. 3 c and Fig. 3 c, first groove 270 or second groove 320 are arranged at first flat bracket, 210, the first projections 260 or second projection 310 is arranged at first supporting bracket 220.
In one embodiment, first projection 260 or second projection 310 is closely tied in this first groove 270, the width that makes the groove 270 of winning is less than the maximum width of first projection 260 and less than the width of second projection 310.
In first embodiment of the invention, first projection 260 has an even width and a desired depth, and this first projection 260 is successional configuration, and width dwindles gradually.Among another embodiment, the width of first projection 260 is dwindled gradually by an end to the other end, does not have continuity, and has uniform width and desired depth.
The even width of above-mentioned first projection 260 is greater than the width of this first groove 270, so that be engaged in this first groove 270.
In first projection 260 of the foregoing description, when the Steering gear avalanche, the load that produces because of bump is absorbed by the friction between first groove 270 and first projection 260, and first projection 260 with even width moves along first groove 270.Afterwards, when 270 disengagings of first groove had first projection 260 of even width, first groove 270 can freely move, and makes the avalanche of Steering gear finish very smooth-goingly.
In preferred embodiment, selecting for use of the length of this first projection 260 is that load according to collision produces decides, the load that produces with the absorbable steering column avalanche, and wherein this first projection 260 forms in a continuous manner and has a uniform width and a desired depth.
Concrete, when the length of first projection 260 was big more, when the Steering gear avalanche, it was big more to absorb the load that collision produces, and wherein this first projection 260 forms in a continuous manner and has a uniform width and a desired depth.
According to the third embodiment of the present invention, at the both ends of first flat bracket 210 second groove 320 is set, wherein the width of second groove 320 is less than the width of first flat bracket 210, shown in the figure 3b.
In the preferred embodiment, the shape that is engaged in the projection of second groove 320 is same as the shape of second projection 310, shown in Fig. 3 c.
By the running between second groove 320 and second projection 310,, as described below with impact absorption.Under normal condition of service, second projection, 310 tight engagement put on this Steering gear in second groove 320 and work as shock effect, and this second projection 310 breaks away from these second grooves 320, makes shock effect be absorbed.
With reference to figure 4a, it is that wherein a supporting bracket and a flat bracket fit together mutually according to a structure cut-away view among the present invention the 4th and the 5th embodiment.Each the 3rd groove 440 is arranged at one second supporting bracket 410, and each the 3rd projection is arranged at second flat bracket 420.Wherein, except have the 3rd groove 440 and the 3rd projection 430, second supporting bracket 410 has identical structure with second flat bracket 420 respectively compared to first supporting bracket 220 and first flat bracket 210.
With reference to figure 4b, Fig. 4 c and Fig. 4 d, Fig. 4 b is the transparent view that forms the 3rd projection according to this flat bracket among the present invention the 4th and the 5th embodiment; Fig. 4 c is the transparent view according to formed the 3rd groove of the inside face of this supporting bracket in the fourth embodiment of the invention; Fig. 4 d is the transparent view according to formed the 4th groove of the inside face of this supporting bracket in the fifth embodiment of the invention.Shown in Fig. 4 b, Fig. 4 c and Fig. 4 d, the 3rd projection 430 is arranged at the both sides of this second flat bracket 420, each the 3rd groove 440 or each the 4th groove 450 is the guide members 230 that are arranged at second supporting bracket 410 makes each groove corresponding to each the 3rd projection 430.
The 3rd projection 430 of each end that is arranged at the side of second flat bracket 420 is three groove 440 or four groove 450 of tight engagement in second supporting bracket 410, when the Steering gear avalanche, the 3rd projection 430 is along the 3rd groove 440 or the 4th groove 450 moves, and makes the 3rd projection 430 absorb the load that collision produces.In the preferred embodiment, the width of the 3rd projection 430 is greater than the minimum width of the 3rd groove 440 or the minimum width of the 4th groove 450.That is in order to absorb the load that collision produces, the minimum width of the 3rd groove 440 or the minimum width of the 4th groove 450 must be less than the width of the 3rd projection 430.
In the third embodiment of the present invention, the 3rd groove 440 that is arranged at second supporting bracket 410 has an even width and a desired depth, and the 3rd groove 440 is successional configuration, and width increases gradually.When the 3rd projection 430 when the 3rd groove 440 with even width moves, this kind shaped design makes the 3rd projection 430 can absorb the load that collision produces.The 3rd projection 430 breaks away from the 3rd groove 440 with even width afterwards, makes the 3rd projection 430 freely move, and makes the avalanche of Steering gear finish very smooth-goingly.
In addition, as described in the fifth embodiment of the present invention, the width of the 4th groove 450 is evenly formed by an end to the other end.When the Steering gear avalanche, the 3rd projection 430 absorbs the load that collision produces, and moves along the 4th groove 450.
In preferred embodiment, can break away from and the 3rd groove 440 or the engagement of the 4th groove 450 when absorbing the avalanche load, Yi Bian the degree of depth of the 3rd groove 440 and the 4th groove 450 is little by little by being reduced to another side in order to make the 430 Steering gear avalanches of the 3rd projection smooth-goingly.
In an embodiment of the present invention, each section shape of first groove 270, second groove 320, the 3rd groove 440 and first projection 260, second projection 310 and the 3rd projection 430 is semicircle, but is not limited to this kind shape.That is the shape of these grooves also can be rectangle, shape such as trapezoidal, but and the shape of each projection also corresponding matching in these grooves.
With reference to figure 5a and Fig. 5 b, Fig. 5 a is the exploded perspective view according to an assembly in the embodiment of the invention, and wherein the formed second model groove of the formed first model groove of this supporting bracket and this flat bracket fits together mutually; Fig. 5 b is according to the cutaway view of a structure in the sixth embodiment of the invention, and wherein this supporting bracket and this flat bracket fit together mutually.
Shown in Fig. 5 a and Fig. 5 b, at least one first model groove (molding groove) 510 is arranged at projection 260, and at least one second model groove 520 is arranged at first groove 270.Under this supporting bracket 220 and this flat bracket 210 mutual states that closely fit together, a model spare 540 is arranged in this first model groove 510 and this second model groove 520 in the model mode.
The section shape of this projection 260 is a rectangle, but is not limited to this, for example also can be semicircle.
In the preferred embodiment, this first model groove 510 extends in this projection 260.
The first model groove 510 is to run through projection 260 and to be arranged at the inboard of this projection 260 along the mode that the longitudinal direction of projection 260 is arranged.
Shown in Fig. 5 a,, be not limited thereto though be two first model grooves 510.Therefore, the quantity of the first model groove 510 for example is more than one or two, mainly is to decide according to fixing projection 260 and these first groove, 270 needed strength.
According to the quantity of the formed first model groove 510, the quantity that is arranged at first flat bracket 210 with the quantity that determines the second model groove 520 and the 3rd model groove 610 (as shown in Figure 6).
In addition, this first model groove 510 for example is void shape (hole-shape) or the line of rabbet joint (slot) shape.
In one embodiment, along the medial surface of projection 260 line of rabbet joint is set, wherein the width of this line of rabbet joint is less than the width of projection 260; And the medial surface along first groove 270 forms another line of rabbet joint, makes model spare can be arranged at wherein, and this another line of rabbet joint is corresponding to this line of rabbet joint and be concave shape, and the width of this concave shape is less than the width of this first groove 270.
In one embodiment, this second model groove 520 arrives the inside of the elbows (cornerpart) 530 of these flat brackets 210, and stretches into and run through this elbows 530.
In one embodiment, this second model groove 520 runs through the elbows 530 of this flat bracket 210, and when model spare 540 formed in the model mode, this model spare 540 stretched into wherein.Only arrive the mode that elbows 530 and model spare also can increase compared to model spare, this model spare 540 stretches into the mode that runs through this elbows 530 can improve the load that absorption produces because of collision.
With reference to figure 6, it is the exploded perspective view according to an assembly in the seventh embodiment of the invention, and wherein the formed first model groove of this supporting bracket and this flat bracket form the 3rd model groove and fit together mutually.As shown in Figure 6, the length of second groove 320 is less than the width of first flat bracket 210, and wherein the length of this second groove 320 is corresponding to the length of the projection 260 of this supporting bracket 220.When this first flat bracket 210 fitted together with this supporting bracket 220, the 3rd model groove 610 was corresponding to this first model groove 510.
The steering hardware of impact absorption as described in the present invention utilizes a projection to be arranged at flat bracket 210 and a guide member 230 is arranged at supporting bracket 220.Therefore, when forming a model groove, utilize a model spare to stretch into and run through this projection and this model groove.
In a preferred embodiment, the material of model spare 540 comprises reinforced plastic, but and is limited to this kind material.
In one embodiment, when using the model mode one material is inserted this model groove, when increasing the load that is absorbed between projection 260, first groove 270 and second groove 320, this material for example is epoxy (epoxy) material or polycarbonate resin (polycarbonate).
In sum, utilization of the present invention is arranged at the groove and the projection of supporting bracket and flat bracket respectively, utilize bladder and tear panel to come the device of the shock effect of absorbable steering column to replace prior art, projection tight engagement of the present invention is in this groove and be fixed in wherein, when impact energy puts on Steering gear, the load that produces because of bump will be absorbed by relatively moving between this groove and this projection.Therefore, can effectively reduce manufacturing cost, and simplify the complexity of manufacturing process.
According to above-mentioned, at a projection at least one model groove is set, wherein this model groove is positioned at the inboard of the guide member of supporting bracket.And form at least one model groove at a groove, this model groove is positioned at each end of these flat bracket both sides.Mode compared to the projection tight engagement in groove, above-mentioned with groove corresponding to projection and utilize a model spare to be arranged at the mode of each model groove in the model mode, will make the uptake of the load that bump produces to increase.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limiting the present invention, anyly has the knack of this skill person, without departing from the spirit and scope of the present invention; when can doing various changes and retouching, so protection scope of the present invention is as the criterion when looking accompanying the claim person of defining.
Claims (6)
1. the steering hardware of an impact absorption comprises:
One supporting bracket is in order to support an outer tube, to fix the chassis of this outer tube in a vehicle; And
One flat bracket has a side and another side, and this side is open, and this another side and this supporting bracket fit together, and this supporting bracket is around this outer tube; It is characterized in that:
This flat bracket is assembled in supporting bracket with fixed form, the guiding inner side edge of this supporting bracket is provided with at least one projection, cooresponding with this at least one projection, each end at the dual-side of this flat bracket is provided with at least one groove, wherein the width of this projection is greater than the width of this groove, described at least one projection is provided with at least one first model groove, the described first model groove stretches into and runs through this projection, described at least one groove is provided with at least one second model groove, and the described second model groove is corresponding to the described first model groove, and a model spare stretches to described first model groove and the described second model groove.
2. steering hardware according to claim 1 is characterized in that: this projection is provided with a face shaping, and this face shaping is to form an even width and a predetermined length continuously, and this even width dwindles gradually.
3. steering hardware according to claim 1 is characterized in that: the width of this groove is less than the width of this flat bracket, and the length of this groove is greater than or equal to the length of this projection of this supporting bracket.
4. steering hardware according to claim 1 is characterized in that: this first model groove and this second model groove are void shape.
5. steering hardware according to claim 1 is characterized in that: this first model groove and this second model groove are line of rabbet joint shape.
6. steering hardware according to claim 1 is characterized in that: this second model groove arrives the inside of an elbows of this flat bracket.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2007-0026010 | 2007-03-16 | ||
| KR1020070026010A KR101138160B1 (en) | 2007-03-16 | 2007-03-16 | Impact Asorption Steering Apparatus |
| KR1020070034330A KR20080090896A (en) | 2007-04-06 | 2007-04-06 | Impact asorption steering apparatus |
| KR10-2007-0034330 | 2007-04-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101264768A CN101264768A (en) | 2008-09-17 |
| CN101264768B true CN101264768B (en) | 2010-10-20 |
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ID=39987520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100864821A Expired - Fee Related CN101264768B (en) | 2007-03-16 | 2008-03-14 | Impact absorption steering apparatus |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR101138160B1 (en) |
| CN (1) | CN101264768B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101278848B1 (en) * | 2008-12-24 | 2013-07-01 | 주식회사 만도 | Steering Column for Vehicle |
| CN103201159B (en) * | 2011-11-07 | 2015-09-16 | 日本精工株式会社 | Steering hardware |
| CN102582675B (en) * | 2011-11-24 | 2013-11-13 | 重庆长安汽车股份有限公司 | Mounting support for electric power-assisted steering column of car |
| CN106184339B (en) * | 2016-07-04 | 2018-08-14 | 奇瑞汽车股份有限公司 | A kind of shrinkable anti-dropout energy-absorbing motor steering column |
| CN110005714A (en) * | 2019-05-07 | 2019-07-12 | 嘉兴联心汽车零部件有限公司 | It is a kind of can fixed rotating shaft punch forming bracket |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1256161A (en) * | 1998-10-29 | 2000-06-14 | 上海电力物资公司电力线路器材厂 | Frictional buffer for safety belt |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2587294Y2 (en) * | 1993-04-28 | 1998-12-16 | ダイハツ工業株式会社 | Energy absorbing steering system |
| KR200148307Y1 (en) | 1993-12-17 | 1999-06-15 | 오상수 | Collapsible steering column |
| KR100349395B1 (en) * | 2000-04-19 | 2002-08-19 | 주식회사 만도 | Shock absorbing apparatus of vehicle steering column |
-
2007
- 2007-03-16 KR KR1020070026010A patent/KR101138160B1/en not_active IP Right Cessation
-
2008
- 2008-03-14 CN CN2008100864821A patent/CN101264768B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1256161A (en) * | 1998-10-29 | 2000-06-14 | 上海电力物资公司电力线路器材厂 | Frictional buffer for safety belt |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101138160B1 (en) | 2012-04-23 |
| KR20080084357A (en) | 2008-09-19 |
| CN101264768A (en) | 2008-09-17 |
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