CN1539692A - Steering inclined pole assembly for automobile - Google Patents
Steering inclined pole assembly for automobile Download PDFInfo
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- CN1539692A CN1539692A CNA031220886A CN03122088A CN1539692A CN 1539692 A CN1539692 A CN 1539692A CN A031220886 A CNA031220886 A CN A031220886A CN 03122088 A CN03122088 A CN 03122088A CN 1539692 A CN1539692 A CN 1539692A
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Abstract
An oblique column module for the turning of car in order to realize the stable engagement between fixed gear and drive gear features that the upward rotation of drive gear is directly manipulated by oblique operating rod to omit some parts, the screw bolt for the pivot of operating rod can not be rubbed, to prevent its noise and release, and the material and structure of impact absorbing cartridge for installing supporter are improved to increase the impact absorbing effect.
Description
Technical field
The present invention relates to a kind of tilt column component that turns to that is used for automobile, especially relate to a kind of tilt column component that turns to that is used for automobile, it can realize the stable engagement of engages fixed gear and driven wheel, so that continue to keep heeling condition; Omitted some parts by the motion that rotates up that utilizes tilt operation bar direct control driven wheel; The bolt of the control lever hinge by preventing to be used for the tilt operation bar is subjected to the influence of spin friction at the rotary course of tilt operation bar, thereby prevents noise and unclamp; The initial impact that is used for mounting bracket by improvement absorbs the material and the structure of cartridge (capsule), thereby has improved the impact absorption effect and improved cost; And have swedged cross-sectional plane part, thereby can under the situation of not using twin columns, realize impact absorption and fixed engagement by engaging structure and the lower bracket that makes the post bottom.
Background technology
Usually, the motor turning tilt column component is installed in and is used for rotational force is passed to the outside of the steering shaft 20 of gear case from bearing circle, thus the rotation of supporting steering shaft, and link to each other with automobile body.
Fig. 1 has represented the common view that turns to tilt column component.
As shown in Figure 1, be used to make the unit that turns to tilt column component to link to each other to comprise with automobile body: mounting bracket 70, this mounting bracket 70 is fixed on the medium position of post 10; Cartridge 80, this cartridge 8 is inserted in the slit of these mounting bracket both sides; And lower bracket 90, this lower bracket 90 is fixed on the lower position of the post 10 that is formed by outer tube 10a and interior pipe 10b, the bottom of pipe 10b in promptly being fixed on.
In addition, the Steering gear that is used to support steering shaft comprises leaning device, is used to keep the case of bending of steering shaft, and regulates the angle of bearing circle according to the condition of chaufeur.
Fig. 2 has represented the view of above-mentioned leaning device.
Wherein, pillar support 30 is installed in the top of Steering gear 10.Tilt stand 40 is installed in the outside of the both sides of pillar support 30, is used to surround this tilt stand 40.Pillar support 30 links to each other with the two ends of the steering shaft 20 that divides respectively with tilt stand 40.
In addition, mesh with incline hinge 32 respectively the both sides of pillar support 30 and tilt stand 40, when being installed in pillar support 30 and 20 bendings of tilt stand 40 in-to-in steering shafts, this pillar support 30 and tilt stand 40 pass through the Hooke's coupling (not shown) and bending according to their cooperation.
Concentric and have the circular fixed gear wheel 31 of tooth (threaded) part to be installed on the lateral surface of pillar support 30 with incline hinge 32 at outside face.Driven wheel 41 is formed in the tilt stand 40, and meshes with fixed gear wheel 31.
Promptly, one end of driven wheel 41 and 42 engagements of the gear hinge in the tilt stand 40, and have toothed portion to be formed in the inside face of front end of this driven wheel 41, and based on continuous engagement and by spring (not shown) elastic support with the toothed portion ingear that has of fixed gear wheel 31.
In addition, tilt stand 40 has certain structure that can make driven wheel 41 rotations, so that by making ingear driven wheel 41 and fixed gear wheel 31 leave certain distance pillar support 30, tilt stand 40 and steering shaft 20 are tilted.
That is, provide drive pin 43, this drive pin 43 protrudes into a side of driven wheel 41.Turning unit 50 is installed in the downside of drive pin 43, thereby by drive pin 43 driven wheel is raise.Turning unit 50 is rotatably installed by the incline hinge 32 of the heart therein.
At this moment, turning unit 50 is installed between tilt stand 40 and the pillar support 30, and makes the relative crooked two ends of tilt stand 40 and pillar support 30 come transition by incline hinge 32, and the middle part of this turning unit 50 covers the outside face of driven wheel 41.Rotating part 51 is formed at the downside of drive pin 43.
The part that is formed with the rotating part 51 of turning unit 50 links to each other with gear hinge 42 as the pivot point of driven wheel 41, and resets after turning unit 50 operations.Retracing spring 54 is mounted to the initial position that makes tilt stand 40 and pillar support bending and be returned to them.
Another retracing spring 55 is installed in the position relative with retracing spring 54 with respect to incline hinge 32, and like this, tilt stand 40 and pillar support 30 reset then to the opposite side bending.
In addition, extend and crooked connecting bridge 52 is formed in the part relative with the rotating part 51 of turning unit 50 along tilt stand 40 directions.Above-mentioned connecting bridge 52 links to each other with the end of tilt operation bar 60 by connecting spring 53, and in this tilt operation bar 60, centre portion rotatably is fixed on the control lever hinge 61 that is formed in the tilt stand 40.
Therefore, when spurring the handle of tilt operation bar 60, the end of tilt operation bar 60 promotes connecting bridge 52, and makes turning unit 50 rotations.Therefore, rotating part 52 raises driven wheel 41, and makes driven wheel 41 and fixed gear wheel 31 leave certain distance, thereby realizes tilt function.
Turn to tilt column component to have and absorb the structure of impacting.
As a kind of function, it relates to realizes the initial impact absorption function.It provides: cartridge 80, and this cartridge 80 is inserted in the mounting bracket 70; And the shrinkage structure, this shrinkage structure can realize the impact absorption function in the downside mounting portion.
As shown in Figure 1, in the later case, Steering gear 10 is and these two hollow tubulars engagements of outer tube 10a and interior pipe 10b, therefore can shrinkage when the transmission impulsive force.
But, general automobiles Steering gear leaning device has following problem.
At first, because be not used in the fixed gear wheel that is meshed of supporting and any structure and the device of driven wheel, therefore, when transmitting external impact force, driven wheel and fixed gear wheel are easy to separately.
That is, when producing unusual external force or vibration, because there are not continuously the prevention parts of edge towards fixed gear wheel 31 pressure driven wheels 41, therefore, driven wheel 41 may raise, thereby throws off lock-out state.
The second, turning unit 50 utilizes incline hinge to be installed between tilt stand and the pillar support, thereby driven wheel 41 is raise.But, turning unit is formed by thin rotation steel plate.Therefore, intensity a little less than, and this turning unit 50 may be crooked when transmitting external impact, thereby may produce ejection problem (bearing circle ejection).And, by improving structure, can omit turning unit 50.
The 3rd, as shown in Figure 1, in the Steering gear leaning device, plain bolt 61a inserts in the control lever hinge 61, so that rotatably tilt operation bar 60 is fixed in the tilt stand 40.
To introduce the engagement situation of bolt 61a below.As shown in Figure 4, need plate 60b, rivet 60a, bolt 61a and control lever 60.In addition, also need the workpiece processing section, for example the bolt riveting portion of tilt stand.Therefore, manufacturing cost increases.
In addition, because when bolt 61a firmly tightens, the upper surface closed contact of bolt 61a and tilt operation bar 60, and the upper surface closed contact of the basal surface of tilt operation bar 60 and tilt stand 40, therefore, when 60 rotations of tilt operation bar, friction force increases, thereby is difficult to operation.In addition, when bolt is twisted De Taisong, will produce noise, and bolt 61a fluffs gradually.
The 4th, also have problem in the structure that is used for that mounting bracket 70 is fixed on the cartridge 80 on the automobile body and is used for assembling cartridge.
In mounting bracket 70, the middle part of mounting bracket 70 is around the upside of Steering gear 10, and (expanding) part 71 that expands forms to both sides and extend, and facing to automobile body.In this dilation 71, be formed with the slit 72 of side opening on this.In addition, cartridge 80 forms by injection aluminium.Insertion groove 81 is formed at both sides, so that make the outside face of slit 72 can insert this insertion groove.Bolt hole 82 is formed at the center, and like this, bolt 84 passes this bolt hole, and is fixed on the automobile body.
As shown in Figure 3, form a plurality of cartridges hole 83 and slotted opening 73 in the engaging outer surface of cartridge 80 and slit 72, these cartridge holes 83 and slotted opening 73 pass upper side and downside.The plastics melted material injects this cartridge hole and slotted opening inside, thus sclerosis and formation pin shape.
That is, the plastics melted material of sclerosis makes the cartridge 80 that is fixed on the automobile body be connected with mounting bracket 70 on being fixed on Steering gear 10.When external impact is applied on the Steering gear 10, the fracture of plastics melted material, like this, Steering gear 10 separates with cartridge 80.
But, in the disconnecting gear of common Steering gear, cartridge and all very complicated with the basic structure of this cartridge ingear mounting bracket.In addition, need carry out the injected plastic melted material and make this plastics melted material be formed at cartridge in the slotted opening that is communicated with of cartridge hole in the complex process of hardening.Therefore, install and handle complexity, manufacturing cost increases.
And when utilizing the set pin that is formed by plastics to handle load, because according to properties of materials, the load processing limit is lower, but has therefore limited field of application.In order to overcome the problems referred to above, when the number of regulating set pin and thickness, structure may be more complicated.
The 5th, by Steering gear 10 and be used for supporting the impact absorbing structure that the lower bracket 90 of the bottom of this Steering gear forms and also have problem.
The emphasis of impact absorbing structure is that lower bracket should be used for the bottom of post is fixed on automobile body.Because therefore the lower bracket integral solder of post bottom, must utilize additional interior pipe to realize impact absorbing structure.In addition, the bottom of pipe in lower bracket must be welded to.
Fig. 1 is the view of the common impact absorbing structure of expression.
That is, when auto against, at the outer tube 10a that surrounds steering shaft 20 be fixed on being used to thus on the lower bracket and absorb between the interior pipe 10b of impact energy and problem of collapse can occur.Interior pipe 10b is fixed on the automobile body by lower bracket 90, the inside face engagement of the end of pipe 10b and outer tube 10a in this.Periphery along the inside face of outer tube 10a forms a plurality of crimping portion 10c.
Especially, above-mentioned crimping portion 10c forms by this way, promptly operates formed remainder at the enterprising eleven punch 11 of outer tube and inwardly carries out rolling.Manage on the end of 10b in above-mentioned crimping portion 10c is assemblied in, thereby produce friction force.
Therefore, when applying impact energy by steering shaft 20 when auto against, interior pipe 10b end in the mounting portion, bottom and the crimping portion 10c of outer tube 10a rub, and therefore carry out the shrinkage operation, thereby absorb impact energy.
But, in said structure, when outer tube 10a and interior pipe 10b assembling, according to material, this crimping portion 10c may rupture, thereby produces waste product.Especially, the processing of formation crimping portion 10b is very complicated in outer tube 10a.In addition, must add interior pipe.Therefore, part count increases.
Summary of the invention
Therefore, the purpose of this invention is to provide a kind of tilt column component that turns to that is used for automobile, this assembly has overcome the problem that runs in the ordinary skill.
Another object of the present invention provides a kind of tilt column component that turns to that is used for automobile, this assembly can provide the protective cover partial sum to provide wedge-like portion to make fixed gear wheel and driven wheel stable engagement at the downside of this protective cover part by the upside at tilt stand, so that obtain suitable heeling condition, thus the stability of increase heeling condition.
Another object of the present invention provides a kind of tilt column component that turns to that is used for automobile, and this assembly directly makes driven wheel rotate up by using the tilt operation bar, thereby can omit common turning unit, and increases productivity and reduce manufacturing cost.
Of the present invention also have a purpose to provide a kind of tilt column component that turns to that is used for automobile, this assembly has the bolt of the bolt of step straight line portion as the control lever hinge portion of tilt operation bar by utilization, thereby can prevent the spin friction power of engagement force influence when the tilt operation bar rotates of bolt, and prevent the noise in the tilt operation bar and prevent that bolt from unclamping.
Of the present invention also have a purpose to provide a kind of tilt column component that turns to that is used for automobile, this assembly is used for the material and the structure of the initial impact absorption cartridge of mounting bracket by improvement, thereby can be easy to make and reduce price, and can only realize suitable impact absorption function by the friction force between cartridge and the mounting bracket.
Of the present invention also have a purpose to provide a kind of tilt column component that turns to that is used for automobile, this assembly has the diameter parts that reduces by the cross section part that makes post bottom and lower bracket ingear structure, thereby can realize stable engagement and suitable impact absorption when applying impact.
To achieve these goals, in Steering gear, this Steering gear comprises: steering shaft, this steering shaft comprise that side shaft is connected by Hooke's coupling with the upper end in its lower end respectively with following side shaft on this by last side shaft and following side shaft; Upper unit, this upper unit is formed by last side pipe, tilt stand and shroud support, and side pipe comprises steering shaft on this, and around the peripheral part of side shaft on this, this tilt stand links to each other with last side pipe, and this shroud support is used for said elements is fixed on automobile body; And lower unit, this lower unit is by following side pipe, pillar support and bottom mounting bracket and form, this downside pipe ring is around peripheral part of following side shaft, this pillar support is connected with the top of following side pipe, and in the left and right plate portion, there is cartridge to assemble slit, this bottom mounting bracket is used for the bottom of following side pipe is fixed on automobile body, wherein, the hinged pin-and-hole that is formed at the left and right sides of tilt stand utilizes the swivel pin engagement with the hinged pin-and-hole that is formed at the left and right sides of pillar support, like this, the upper unit that comprises side shaft is around the lower unit crooked predetermined angular of swivel pin with respect to side shaft under comprising, the tilt column component that turns to that is used for automobile is provided, this turns to tilt column component to comprise the tilt adjustment unit, this tilt adjustment unit is included in fixed gear wheel and the driven wheel between pillar support and the tilt stand, this tilt adjustment unit comprises: fixed gear wheel, and this fixed gear wheel is fixed on the upper surface of pillar support, and toothed portion is arranged in uper side surface; Driven wheel, in this driven wheel, the toothed portion that has that toothed portion and fixed gear wheel are arranged of lower surface meshes, and forms projection in the upper surface of this driven wheel, and this driven wheel can rotate on tilt stand; Wedge-shaped member, this wedge-shaped member has the wedge-like portion in basal surface, is used to push the projection of driven wheel, and this wedge-shaped member has the connection bump in the front end lower surface; The tilt operation bar, this tilt operation bar is formed with engaging hole, pan, handle portion and extendible portion, the connection bump of wedge-shaped member is inserted in this engaging hole, this pan can rotate on tilt stand by inserting hinge bolt, this handle portion stretches out from an end of horizontal component, and this extendible portion links to each other with the other end of horizontal component, and is useful on the sloping portion of the side surface projection rising that makes driven wheel; Spring is used for spurring in a certain direction wedge-shaped member and tilt operation bar; And extension spring, be used for when the tilt operation bar rotates, making this tilt operation bar to return initial position.
Brief description of drawings
Introduce the present invention below with reference to the accompanying drawings better, this accompanying drawing just is used to illustrate, rather than limitation of the invention, in the accompanying drawing:
Fig. 1 is the transparent view of the common steering column assembly of expression;
Fig. 2 is the transparent view of the incline structure of the common Steering gear of expression;
Fig. 3 is the transparent view of common cartridge of expression and assembling situation;
Fig. 4 is the cutaway view of the structure of the common hinge bolt of expression;
Fig. 5 is the transparent view of expression according to the overall structure that turns to tilt column component of the present invention, as to be used for automobile;
Fig. 6 is the planar view of expression according to the overall structure that turns to tilt column component of the present invention, as to be used for automobile;
Fig. 7 is the upward view of expression total of the present invention;
Fig. 8 is the front elevational view of expression according to the overall structure that turns to tilt column component of the present invention, as to be used for automobile;
Fig. 9 is the decomposition diagram of the main element of expression tilt adjustment of the present invention unit;
Figure 10 is the birds-eye view of the serviceability of expression tilt adjustment of the present invention unit;
Figure 11 is the front elevational view of the serviceability of expression tilt adjustment of the present invention unit;
Figure 12 is the cross-sectional figure of the hinge portion of expression tilt operation bar of the present invention;
Figure 13 is the cross-sectional figure of hinge portion of the tilt operation bar of expression another embodiment of the present invention;
Figure 14 is the view of the structure of expression initial impact absorptive unit of the present invention;
Figure 15 is the cutaway view of expression cartridge of the present invention and confined state;
Figure 16 is the cutaway view of the cartridge mounting groove of expression another embodiment of the present invention;
Figure 17 is the cutaway view of expression cartridge of the present invention;
Figure 18 is the view of the structure of expression downside impact absorption of the present invention unit;
Figure 19 is the cutaway view of the confined state of expression downside impact absorption of the present invention unit; And
Figure 20 is the view of structure of the downside impact absorption unit of expression another embodiment of the present invention.
The explanation of the reference number of the major part of accompanying drawing: 100: steering shaft; 101: go up side shaft; 102: following side shaft; 103: Hooke's coupling; 200: Steering gear; 201: swivel pin; 210: upper unit; 211: go up side pipe; 212: tilt stand; 213: the shroud support; 220: lower unit; 221: following side pipe; 222: pillar support; 223: the bottom mounting bracket; 230: extension spring; 300: the tilt adjustment unit; 310: fixed gear wheel; 311: toothed portion is arranged; 320: driven wheel; 321: toothed portion is arranged; 323: projection; 324: the side surface projection; 325: pivot pin; 330: wedge-shaped member; 331: wedge-like portion; 332: connection bump; 340: the tilt operation bar; 341: handle; 342: horizontal component; 343: the control lever pan; 344: engaging hole; 345: extendible portion; 346: sloping portion; 347: hinge bolt; 350: spring; 400: the initial impact absorptive unit; 410: cartridge; 411: upper board; 412: lower panel; 413: projection; 414: electric part; 415: bolt hole; 500: downside impact absorption unit.
DETAILED DESCRIPTION OF THE PREFERRED
Describe structure of the present invention and work below with reference to the accompanying drawings in detail.
Fig. 5 is the transparent view of expression according to the overall structure that turns to tilt column component of the present invention, as to be used for automobile; Fig. 6 is the planar view of expression according to the overall structure that turns to tilt column component of the present invention, as to be used for automobile; Fig. 7 is the upward view of expression total of the present invention.
As shown in the figure, the tilt column component that turns to of the present invention comprises: steering shaft 100, and this steering shaft 100 is formed by last side shaft 101 and following side shaft 102, and side shaft 101 is connected by Hooke's coupling 103 with top in its underpart respectively with following side shaft 102 on this; Last side pipe 211, side pipe 211 comprises steering shaft 100 on this, and around peripheral part of side shaft on this 101; Tilt stand 212, this tilt stand 212 links to each other with last side pipe; Upper unit 210, this upper unit 210 comprises shroud support 213, is used for said elements is fixed on automobile body, following side pipe 221, this time side pipe 221 is around peripheral part of following side shaft 102; Pillar support 222, this pillar support have cartridge assembling slit 222b in left and right plate portion 222a, and are connected with the top of following side pipe; And lower unit 220, this lower unit comprises bottom mounting bracket 223, is used for the bottom of following side pipe 221 is fixed on automobile body.
Therefore, by being connected to form with swivel pin 201, can realize tilt operation in the hinged pin-and-hole 212b and the hinged pin-and-hole 212b that is formed at the left and right sides of pillar support 222 of the left and right sides of tilt stand 212.
That is, as shown in Figure 7, the upper unit 210 that comprises side shaft 101 with respect to the lower unit 220 that comprises side shaft 102 down around swivel pin 201 crooked certain angles.The tilt adjustment of the present invention unit 300 that is used to carry out above-mentioned tilt operation below with reference to Fig. 9 introduction.
This tilt adjustment unit has: fixed gear wheel 310, and this fixed gear wheel 310 is fixed on the upper surface of pillar support 222, and the lip-deep thereon toothed portion 311 that has is arranged; Driven wheel 320, this driven wheel 320 has the projection 323 on upper surface, and can rotate on tilt stand 212, and it constitutes so the i.e. toothed portion engagement of the toothed portion 321 of lower surface and fixed gear wheel; And wedge-shaped member 330, this wedge-shaped member has wedge-like portion 331 and connection bump 332, and this wedge-like portion 331 is used to push the projection 323 of driven wheel 320, and this connection bump 332 is in the basal surface of front end.
At this moment, fixed gear wheel 310 utilizes the engagement bolt fixing in normal way.Thereby driven wheel 320 can rotate up and down by its rear end being inserted between the hinged support rib 212e that protrudes from the both sides of the upper surface of tilt stand 212, and pivot pin 325 along continuous straight runs are passed.
In tilt stand of the present invention 212 as critical elements, provide protective cover part 212d, this protective cover part 212d forms and crosses both sides, and than protruding in the part higher with hinged support rib 212e that driven wheel is installed, like this, it can push the upper surface of wedge-shaped member 330.
Wedge-shaped member 330 and the driven wheel 320 that is positioned at the bottom of protective cover part 212d can be operated by tilt operation bar 340.
In addition, as shown in figure 12, tilt operation bar 340 and hinge bolt 347 engagements, thus rotation can be stablized.
According to the straight line portion 347a in the bolt cap bottom, this hinge bolt 347 has the hinge-point that obtains in the pan 343 by the horizontal component 342 that inserts tilt operation bar 340.
The diameter D of straight line portion 347a is greater than the diameter of the threaded portion of bolt, and its length L to be longer than thickness or (+) worker of horizontal component 342 poor.Therefore, when using hinge bolt 347 to mesh, because horizontal component 342 and can't help bolt cap and push, therefore, horizontal component 342 does not have friction drag.
At this moment, as shown in figure 13, in another embodiment of the present invention, can adopt hinge bolt 347 of the present invention.That is, as shown in figure 13, form inflation port 222f with the top of hinge bolt 347 ingear tapped bore 222a, the part of the straight line portion 347a of hinge bolt 347 is inserted in this inflation port 222f.At this moment, the size of the length L of the straight line portion 347a depth d that is set to inflation port 222f adds the thickness of horizontal component 342.Allow worker's difference to be (+), but can not be (-).
In addition, carrying out above-mentioned engagement is because it can prevent hinge bolt 347 motions, and increases engagement force.
In addition, extension spring 230 is connected between wedge-shaped member 330 and the shroud support 213, is used for drawing this wedge-shaped member 330 along a direction.Extension spring 230 is connected between tilt operation bar 340 and the shroud support 213, is used for making it return initial position when 340 rotations of tilt operation bar.
In the present invention, provide initial impact absorptive unit 400, be used for pillar support 222 is fixed on automobile body.
That is, as shown in figure 14, in initial impact absorptive unit 400, cartridge 410 comprises: upper board 411, this upper board 411 have in basal surface a plurality of protruding 413; Lower panel 412, this lower panel 412 have in upper surface a plurality of protruding 413; And elastic part 414, this elastic part links into an integrated entity a side of upper board and a side of lower panel.
In addition, as shown in figure 17, when upper board 411 and lower panel 412 were parallel, cartridge 410 had certain width W between the end surfaces of the support unit 416b of the end surfaces of the support unit 416a of upper board 411 and lower panel 412.Above-mentioned width W is less than the height that is formed at the projection 413 in upper board 411 and the lower panel 412.
Excessive engagement force owing to bolt when width W is used to prevent mesh when engagement bolt passing through bolt hole 415 and with automobile body breaks the projection of upper board 411 and lower panel 412.
When the excessive engagement force owing to the engagement bolt all broke the projection 413 of upper board 411 and lower panel 412, the wing plate part 222a of cartridge 410 and pillar support 222 can not break away from when occurring impacting each other, therefore can not realize suitable impact absorption function.
In addition, as shown in figure 14, the pillar support of the present invention 222 that is used for cartridge 410 comprises mounting groove 222c, is used at this mounting groove 222c cartridge 410 being installed in peripheral part of the slit 222b of wing plate part 222a, and cartridge 410 is inserted among the mounting groove 222c.
As shown in figure 15, be formed with through hole 222d in mounting groove 222c, this through hole 222d is corresponding with the position of the projection 413 of cartridge 40.Therefore, cartridge can be meshed become to make the projection 413 states that are among the through hole 222d, as shown in figure 17.In addition, as shown in figure 17, also can not form through hole.
In the present invention, providing downside impact absorption unit 500 between side pipe 221 and the bottom mounting bracket 223 down.
As shown in figure 18, be formed with plane surface 221a by reducing outer radius portion in the end of following side pipe 221, bottom mounting bracket 223 has patchhole 223a, this patchhole 223a has straight line inner-diameter portion whose 223b, and this patchhole 223a is complementary with the shape of cross section of end following side pipe, that be formed with plane surface.
Therefore, when the longitudinal direction along post produced impact, the straight line inner-diameter portion whose 223b of patchhole 223a entered cylindrical section through plane surface 221a.Like this, friction force increases, thereby absorbs impact by friction force.
At this moment, as shown in figure 19, bottom mounting bracket 223 can have by the interior Zhou Yanchang that makes patchhole 223a and make its crooked in a certain direction inboard extendible portion 223c that forms, thereby increases friction force.
In addition, in the plane surface 221a of the end of descending side pipe 221, can be formed with a plurality of straight line inner-diameter portion whose 223b in other position among the patchhole 223a of bottom mounting bracket 223, as shown in figure 20.
Said structure is used to keep certain interval, and prevents initial friction force of inertia maximum.
In Fig. 5, reference number 600 expression is used to limit the stopper unit of bend angle of the direction up and down of tilt stand 212.
To introduce operation of the present invention and mode of operation below.
At first, when regulating the angle of bearing circle by chaufeur, the handle 341 of pulling tilt operation bar 340.
When the horizontal component 342 of tilt operation bar 340 during around hinge bolt 347 rotations, being formed at the side surface projection 324 that the sloping portion 346 in the extendible portion 345 of another side will protrude from the sidepiece of driven wheel 320 upwards pushes away, and pulling wedge-shaped member 330, this wedge-shaped member 330 is by engaging hole 344 engagements of continuous projection and horizontal component 342.
Because the wedge-like portion 331 of the basal surface of wedge-shaped member 330 is left the projection 323 of the upper surface of driven wheel 320, driven wheel 320 is raise, the toothed portion 321 of the driven wheel 320 of rising leaves the toothed portion 311 of fixed gear wheel 310.
When the toothed portion 311 of fixed gear wheel 310 leaves the toothed portion 321 of driven wheel 320, as shown in Figure 7, last side shaft 101 and tilt stand 212 and the upper unit 210 that comprises the part of tilt adjustment unit 300 can make swivel pin 201 into the inclination hinge-point and make progress and rotate and raise, and perhaps can be rotated down.
Under the state of pulling tilt operation bar 340, when making upper unit be in correct position, at this moment tilt operation bar 340 can be put down by up-down adjustment.
When putting down tilt operation bar 340, tilt operation bar 340 returns by the spring force of tilt operation bar retracing spring 350, and when the tilt operation bar returned, the horizontal component 342 and the extendible portion 345 of the other end also returned.In addition, aforesaid operations also spurs wedge-shaped member 330, and in this wedge-shaped member 330, connection bump 332 meshes with the engaging hole 344 of horizontal component 342.
Wedge-shaped member 330 is rotated down, and utilizes the wedge-like portion 331 of basal surface and the projection 323 of pushing the upper surface of driven wheel 320 downwards.The sloping portion of the extendible portion of at this moment, returning 345 makes the side surface projection 324 of driven wheel 320 to move downward.
Therefore, the wedge-shaped member 330 that returns by spring 350 is inserted between the projection 323 of upper surface of the protective cover part 212d that is formed at tilt stand 212 tops and driven wheel 320.Because the wedge-like portion 331 of wedge-shaped member 330 is pushed the projection 323 of the upper surface of driven wheel 320, therefore with driven wheel 320 to pressing down, and make toothed portion 311 engagements of toothed portion 321 with the fixed gear wheel 310 of driven wheel 320, thereby finish tilt operation.
Turn in the tilt component of the present invention, when impacting along vertically applying of axle, initial impact absorptive unit 400 at first works, and simultaneously, the impact absorption unit 500 of the downside of following side pipe also works, and impacts thereby absorb.
At first, in initial impact absorptive unit 400, by certain friction force, the left and right plate portion 222a of pillar support 222 with separate by the cartridge 410 that is bolted on the automobile body.
That is,, therefore, impact by the friction force absorption of projection because fully meshing before the extruding to projecting inward projection 413 from the upper board 411 and the lower panel 412 of cartridge 410.As shown in figure 15, when the part of each projection 413 was inserted among the through hole 222d, because friction force is bigger, the initial impact absorption power was also bigger.
In addition, in downside impact absorption unit 500, be contained at the inner-diameter portion whose 223b force fit of the patchhole 223a of bottom mounting bracket 223 under the situation on the plane surface 221a of the bottom of side pipe 221 down, when producing impact, the straight line inner-diameter portion whose 223b of patchhole 223a leaves this plane surface 221a, and moves to cylindrical section.Because the straight line inner-diameter portion whose 223b of this patchhole must overcome the variation of external diameter and advance, therefore can absorb impact.
As mentioned above, in the present invention, be used for the protective cover part of pushing the wedge-shaped member of driven wheel and being used to push this wedge-shaped member because provide, therefore can make fixed gear wheel and driven wheel realize stable engagement, thereby continue to realize a certain heeling condition on the top of tilt stand.In addition, can also improve the stability of heeling condition.
In addition, in the present invention, because therefore rotating up by tilt operation bar direct control of driven wheel can omit common turning unit part.Therefore can increase productivity, reduce manufacturing cost.
In addition, when the tilt operation bar rotatably meshes, because for the control lever hinge bolt, used the bolt with straight line portion, therefore, when rotating the tilt operation bar, the engagement force of bolt can not influence the spin friction power of horizontal component.Therefore, can prevent the noise in the tilt operation bar, and prevent that bolt from unclamping.
In addition, because being used for the cartridge of initial impact absorptive unit is formed by metallic material, rather than employing synthetic resin material, therefore, it provides lobed structure, and can make manufacturing easier, reduce price, and can only carry out the initial impact absorption by the friction force between cartridge and the mounting bracket.
In addition, because the cross-sectional plane of post bottom and lower bracket ingear structure partly has the diameter parts that reduces, and direct and automobile body engagement by lower bracket, therefore, can not resemble the ordinary skill, form the impact absorption unit under the situation of interior pipe in the downside of side pipe under inserting.
Because under the situation that does not break away from spirit of the present invention and essential characteristic, can realize the present invention in a variety of forms, therefore, should know, above-mentioned example also be can't help the detailed description of aforementioned specification and is limited, unless determine explanation in addition, but in the spirit and scope of the present invention of determining by additional claim, can constitute various ways, therefore, interior all changes and the change of scope that drops on claim or its equivalent all will be included in the additional claim.
Claims (10)
1. in Steering gear, this Steering gear comprises:
Steering shaft, this steering shaft comprise that side shaft is connected by Hooke's coupling with the upper end in its lower end with following side shaft on this by last side shaft and following side shaft;
Upper unit, this upper unit is formed by last side pipe, tilt stand and shroud support, and side pipe has the in-to-in steering shaft on this, and around the peripheral part of side shaft on this, this tilt stand links to each other with last side pipe, and this shroud support is used for said elements is fixed on automobile body;
Lower unit, this lower unit is by following side pipe, pillar support and bottom mounting bracket and form, this downside pipe ring is around peripheral part of following side shaft, this pillar support is connected with the top of following side pipe, and in the left and right plate portion, there is cartridge to assemble slit, this bottom mounting bracket is used for the bottom of following side pipe is fixed on automobile body, wherein, the hinged pin-and-hole that is formed at the left and right sides of tilt stand utilizes the swivel pin engagement with the hinged pin-and-hole that is formed at the left and right sides of pillar support, like this, comprise that the upper unit of side shaft is around the lower unit crooked predetermined angular of swivel pin with respect to side shaft under comprising; Turn to tilt column component, this turns to tilt column component to comprise:
The tilt adjustment unit, this tilt adjustment unit is included in fixed gear wheel and the driven wheel between pillar support and the tilt stand,
Described tilt adjustment unit comprises:
Fixed gear wheel, this fixed gear wheel is fixed on the upper surface of pillar support, and toothed portion is arranged in uper side surface;
Driven wheel, in this driven wheel, the toothed portion that has that toothed portion and fixed gear wheel are arranged of lower surface meshes, and forms projection in the upper surface of this driven wheel, and this driven wheel can rotate on tilt stand;
Wedge-shaped member, this wedge-shaped member has the wedge-like portion in lower surface, is used to push the projection of driven wheel, and this wedge-shaped member has the connection bump in the front end lower surface;
The tilt operation bar, this tilt operation bar is formed by engaging hole, pan, handle portion and extendible portion, the connection bump of wedge-shaped member is inserted in this engaging hole, this pan can rotate on tilt stand by inserting hinge bolt, this handle portion stretches out from an end of horizontal component, and this extendible portion links to each other with the other end of horizontal component, and is useful on the sloping portion of the side surface projection rising that makes driven wheel;
Spring is used for spurring in a certain direction wedge-shaped member and tilt operation bar; And
Extension spring is used for making when the tilt operation bar rotates this tilt operation bar to return initial position.
2. assembly according to claim 1, wherein: described tilt stand comprises the protective cover part of horizontal direction, is used for pushing again at the upside of wedge-shaped member the wedge-shaped member of rising.
3. assembly according to claim 1, wherein: formed hinge bolt connects by the pan that inserts the tilt operation bar, and length L is greater than the thickness of the horizontal component of tilt operation bar, diameter D is greater than the threaded portion of this hinge bolt, thereby prevents friction drag when the tilt operation bar rotates.
4. assembly according to claim 1, wherein: described pillar support is by comprising the initial impact absorptive unit in the slit that cartridge is inserted the wing plate part be formed at left and right sides and with automobile body ingear mode, described cartridge be included in lower surface have a plurality of projectioies upper board, the lower panel of a plurality of projectioies is arranged and makes a side of upper board and elastic part that a side of lower panel links into an integrated entity at upper surface.
5. assembly according to claim 4, wherein: described pillar support comprises mounting groove, is used at this mounting groove cartridge being installed in peripheral part of slit, and is formed with through hole in mounting groove, this through hole is corresponding with the position of the projection of cartridge.
6. assembly according to claim 4, wherein: described cartridge has the oval bolt hole in the core of plate at an upper portion thereof, and so that the mode that the interior circumferential portion of this bolt hole is extended downwards and form the upside support unit, and described cartridge has the oval bolt hole in the core of its underpart plate, and so that the upwardly extending mode of interior circumferential portion of this bolt hole and form the downside support unit, like this, upper board and lower panel are by upside and downside support unit and open certain distance.
7. assembly according to claim 6, wherein: between the end of the support unit of the end of the support unit of the upper board of cartridge and the lower panel of cartridge certain width W is arranged, when upper board and lower panel were parallel to each other, this width W was not more than the height that is formed at the projection in upper board and the lower panel.
8. assembly according to claim 1, wherein: providing device for impact absorbing between side pipe and the bottom mounting bracket down, the tubular global shape that becomes of downside, and the external diameter of its end parts reduces gradually, thereby form plane surface therein, the bottom mounting bracket has patchhole, this patchhole has the straight line inner-diameter portion whose, thereby with the cross-sectional plane coupling of the end of the plane surface of following side pipe, like this, under the situation that above-mentioned matching element assembles each other, when producing impact, the straight line inner-diameter portion whose of patchhole is left plane surface, thereby increases friction force, and absorbs impact.
9. assembly according to claim 8, wherein: the plane surface of the end of following side pipe has corresponding each other position with the straight line inner-diameter portion whose that inserts in the hole that is formed at the bottom mounting bracket, and forms a plurality of respectively.
10. assembly according to claim 8, wherein: described bottom mounting bracket has patchhole, and inboard extendible portion stretches out from a side of the interior circumferential portion of patchhole, thereby increases friction force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031220886A CN100450850C (en) | 2003-04-24 | 2003-04-24 | Steering inclined pole assembly for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031220886A CN100450850C (en) | 2003-04-24 | 2003-04-24 | Steering inclined pole assembly for automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1539692A true CN1539692A (en) | 2004-10-27 |
| CN100450850C CN100450850C (en) | 2009-01-14 |
Family
ID=34320949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031220886A Expired - Fee Related CN100450850C (en) | 2003-04-24 | 2003-04-24 | Steering inclined pole assembly for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100450850C (en) |
Cited By (13)
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| CN100431894C (en) * | 2005-11-15 | 2008-11-12 | 现代自动车株式会社 | Mounting structure of steering column locking device |
| CN100457524C (en) * | 2005-10-24 | 2009-02-04 | 株式会社万都 | Automobile turning pipe string |
| CN101081624B (en) * | 2006-05-09 | 2010-06-09 | 株式会社万都 | Tilting and telescopic steering device |
| CN101434253B (en) * | 2007-11-12 | 2010-10-20 | 万都株式会社 | Telescoping-tilting device of steering column for vehicle |
| CN101300162B (en) * | 2005-09-30 | 2010-12-22 | 雷诺股份公司 | Cover for a steering column |
| CN101468658B (en) * | 2007-12-29 | 2012-05-30 | 上海现代摩比斯汽车零部件有限公司 | Inclined and retracted steering pipe column for automobile |
| CN102625761A (en) * | 2010-11-12 | 2012-08-01 | 日本精工株式会社 | Support device for steering column |
| CN102712332A (en) * | 2010-10-15 | 2012-10-03 | 日本精工株式会社 | Support device for steering column |
| CN101695934B (en) * | 2009-10-22 | 2012-11-28 | 奇瑞汽车股份有限公司 | Steering transmission device for vehicle |
| CN103661563A (en) * | 2012-09-18 | 2014-03-26 | 万都株式会社 | Steering column for vehicle |
| CN103921832A (en) * | 2013-01-15 | 2014-07-16 | 株式会社万都 | Steering Column Of Vehicle |
| CN104520165A (en) * | 2012-07-27 | 2015-04-15 | 株式会社捷太格特 | Vehicle steering device |
| CN108025760A (en) * | 2015-09-16 | 2018-05-11 | 蒂森克虏伯普利斯坦股份公司 | The steering column with the acceptor of energy for collision situation for motor vehicles |
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| US6282977B1 (en) * | 1997-10-28 | 2001-09-04 | Nsk Ltd. | Tilt adjusting-type steering apparatus |
| JP3719846B2 (en) * | 1998-04-15 | 2005-11-24 | 光洋精工株式会社 | Steering device |
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| KR100458221B1 (en) * | 2000-09-05 | 2004-11-26 | 주식회사 만도 | Tilting device of steering column for vehicle |
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| CN101300162B (en) * | 2005-09-30 | 2010-12-22 | 雷诺股份公司 | Cover for a steering column |
| CN100457524C (en) * | 2005-10-24 | 2009-02-04 | 株式会社万都 | Automobile turning pipe string |
| CN100431894C (en) * | 2005-11-15 | 2008-11-12 | 现代自动车株式会社 | Mounting structure of steering column locking device |
| CN101081624B (en) * | 2006-05-09 | 2010-06-09 | 株式会社万都 | Tilting and telescopic steering device |
| CN101434253B (en) * | 2007-11-12 | 2010-10-20 | 万都株式会社 | Telescoping-tilting device of steering column for vehicle |
| CN101468658B (en) * | 2007-12-29 | 2012-05-30 | 上海现代摩比斯汽车零部件有限公司 | Inclined and retracted steering pipe column for automobile |
| CN101695934B (en) * | 2009-10-22 | 2012-11-28 | 奇瑞汽车股份有限公司 | Steering transmission device for vehicle |
| CN102712332A (en) * | 2010-10-15 | 2012-10-03 | 日本精工株式会社 | Support device for steering column |
| CN102712332B (en) * | 2010-10-15 | 2014-12-24 | 日本精工株式会社 | Support device for steering column |
| CN102625761A (en) * | 2010-11-12 | 2012-08-01 | 日本精工株式会社 | Support device for steering column |
| CN102625761B (en) * | 2010-11-12 | 2014-10-01 | 日本精工株式会社 | Support device for steering column |
| CN104520165A (en) * | 2012-07-27 | 2015-04-15 | 株式会社捷太格特 | Vehicle steering device |
| CN104520165B (en) * | 2012-07-27 | 2017-04-12 | 株式会社捷太格特 | Vehicle steering device |
| CN103661563A (en) * | 2012-09-18 | 2014-03-26 | 万都株式会社 | Steering column for vehicle |
| CN103921832A (en) * | 2013-01-15 | 2014-07-16 | 株式会社万都 | Steering Column Of Vehicle |
| CN103921832B (en) * | 2013-01-15 | 2016-06-15 | 株式会社万都 | The steering column of vehicle |
| CN108025760A (en) * | 2015-09-16 | 2018-05-11 | 蒂森克虏伯普利斯坦股份公司 | The steering column with the acceptor of energy for collision situation for motor vehicles |
| US10532762B2 (en) | 2015-09-16 | 2020-01-14 | Thyssenkrupp Presta Ag | Energy-absorbing steering column |
| CN108025760B (en) * | 2015-09-16 | 2020-08-18 | 蒂森克虏伯普利斯坦股份公司 | Steering column for a motor vehicle with an energy absorber for crash situations |
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| CN100450850C (en) | 2009-01-14 |
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Granted publication date: 20090114 Termination date: 20200424 |