CN2695318Y

CN2695318Y - Steering column having regulating and antitheft function

Info

Publication number: CN2695318Y
Application number: CN 200320103893
Authority: CN
Inventors: 陈国荣; 李俊忠; 黄振宏
Original assignee: SINE TECHNOLOGY Inc
Current assignee: SINE TECHNOLOGY Inc
Priority date: 2003-11-04
Filing date: 2003-11-04
Publication date: 2005-04-27
Anticipated expiration: 2013-11-04

Abstract

The utility model relates to a steering column having regulating and anti-theft functions. One end of the steering column having regulating and anti-theft functions is connected with a steering wheel, and the other end of the steering column having regulating and anti-theft functions is connected with a steering mechanism. The steering mechanism is controlled by the steering wheel. The steering column having regulating and anti-theft functions comprises a rotary shaft and an adjusting device. The rotary shaft is provided with an upper shaft rod, a lower shaft rod, and a universal joint for connecting the upper shaft rod and the lower shaft rod. The upper shaft rod can pivot relative to the lower shaft rod to make the height of the steering wheel be adjusted within the application range of the universal joint. The steering column having regulating and anti-theft functions is characterized in that the steering column having regulating and anti-theft functions also comprises a locking device. When the upper shaft rod pivots relative to the lower shaft rod to exceed the application range of the universal joint, the locking device locks the position of the upper shaft rod to cause that the steering mechanism can not be controlled by the steering wheel, and thereby, the steering column having regulating and anti-theft functions has the anti-theft function.

Description

Direction column with adjustment and anti-theft feature

Technical field

The utility model relates to a kind of direction column with adjustment and anti-theft feature, particularly relates to a kind of suitable height with adjustment bearing circle, and the automobile-used direction column with anti-theft feature.

Background technology

Fig. 1, the 2nd, general automobile-used direction column 100, these direction column 100 upper ends are in order to connecting a bearing circle (not shown), and the lower end then is in order to connecting a steering hardware (not shown), thereby makes this bearing circle be controlled the direction of steering hardware Control of Automobile.

This direction column 100 comprises a lower house 11, one upper shell 12, one rotating shaft 13 and a setting device 14, rotating shaft 13 comprises a upper shaft lever 131, once axostylus axostyle 133 is with on one is connected, the Hooke's coupling 135 of following axostylus axostyle, upper shaft lever 131 is hubbed in the upper shell 12,133 of following axostylus axostyles are to be hubbed in the lower house 11, on making, following axostylus axostyle 131,133 can be respectively last,

lower house

12,11 is interior around its axial rotation separately, and on connecting, the Hooke's coupling 135 of following axostylus axostyle can make, following axostylus axostyle 131,133 interlocks together, and on allowing, following axostylus axostyle 131, normal interlock still after the certain angle of 133 bendings, the scope of this angle is approximately about 12 degree, that is to say if on, following axostylus axostyle 131,133 bending angles are during greater than 135 applicable scope of Hooke's coupling, on, following axostylus axostyle 131,133 interlocks together just.

Setting device 14 comprises one first clamping piece 141, one second clamping piece 143 and a control lever 145, first clamping piece is established a side that is fixed on lower house 11 for 141 groups, first clamping piece 141 is provided with a plurality of positioning teeths 142 in the outside opposite with lower house 11,143 groups of sides that are located at upper shell 12 of this second clamping piece, the group mode of establishing is that the end with second clamping piece 143 is articulated in upper shell 12, second clamping piece 143 can be pivoted with respect to upper shell 12 for axle the one end, second clamping piece 143 is provided with a plurality of positioning teeths 144 towards a side of upper shell 12, second clamping piece 143 side of upper shell 12 dorsad is provided with a draw-in groove 147 that roughly is the C type, positioning teeth 142 on the positioning teeth 144 on second clamping piece 143 and first clamping piece 141 is stacked mutually, on the location,

lower house

12,11 relative position is just fixed, following axostylus axostyle 131,133 bending angle.

Control lever 145 1 ends are articulated on the upper shell 12, and the other end is a free end, and control lever 145 extends the both sides of the C type draw-in groove 147 of second clamping piece 143, so when stirring control lever 145 free ends, control lever 145 will drive second clamping piece 143.

Operating mode is upwards to stir earlier the free end of control lever 145, control lever 145 is pivoted with respect to upper shell 12, at this moment control lever 145 upper side edges are with pushing tow C type draw-in groove 147 inboard upper limbs, make second clamping piece 143 pivot with respect to upper shell 12, and therefore the positioning teeth 144 of second clamping piece 143 also breaks away from the positioning teeth 142 on first clamping piece 141, at this moment just can be with upper shaft lever 131 with respect to axostylus axostyle 133 rotations down, in the Applicable scope of Hooke's coupling 135, adjust to the appropriate location, just adjust vehicle steering to suitable height, after adjustment is finished, stir the free end of control lever 145 downwards, control lever 145 is pivoted with respect to upper shell 12, at this moment control lever 145 lower sides are with pushing tow C type draw-in groove 147 inboard lower edges, make second clamping piece 143 pivot with respect to upper shell 12, and the positioning teeth 144 of second clamping piece 143 also so once again with first clamping piece 141 on positioning teeth 142 stacked blockings, the upper shell 12 and the relative position of lower house 11 are fixed, upper shaft lever 131 can not be rotated with respect to following axostylus axostyle 133, thereby reach the function of adjustment.

The function that general direction column 100 is had is just adjusted vehicle steering, can not further be carried out utilization, therefore still awaits improving.

Novel content

The purpose of this utility model is to provide a kind of direction column of adjusting the suitable height of bearing circle and having anti-theft feature that has.

A kind of direction column with adjustment and anti-theft feature, described column comprises a lower house, one upper shell, one rotating shaft and a setting device, described rotating shaft has a upper shaft lever, once axostylus axostyle is with on one is connected, the Hooke's coupling of following axostylus axostyle, upper shaft lever connects a bearing circle, following axostylus axostyle connects a steering hardware, bearing circle may command steering hardware, upper shaft lever can change with respect to the lower shaft bar pivot, it is characterized in that: described column comprises a blocking device, the position of described blocking device lockable upper shaft lever, blocking device comprises one first electromagnetic valve, first electromagnetic valve is located at upper shell near the control lever place, blocking device comprises one second electromagnetic valve, one blocking element, one interference piece and a moving part, second electromagnetic valve is located on the lower house.When upper shaft lever exceeded the Applicable scope of Hooke's coupling with respect to the commentaries on classics of lower shaft bar pivot, the position of described blocking device lockable upper shaft lever made bearing circle can not control steering hardware, has anti-theft feature thus.

The rotating shaft of described direction column comprises that axle changes on one, once axostylus axostyle is with on one is connected, the Hooke's coupling of following axostylus axostyle, upper shaft lever is hubbed in the upper shell, the lower shaft bar pivot is located in the lower house, make, following axostylus axostyle can be respectively last, lower house is interior around its axial rotation separately, Hooke's coupling can make, following axostylus axostyle is interlock together, and on allowing, normal interlock still after the certain angle of following axostylus axostyle bending, setting device comprises one first clamping piece, one second clamping piece and a control lever, the first clamping piece group is established a side that is fixed on lower house, first clamping piece is provided with a plurality of positioning teeths in the outside in contrast to lower house, second clamping piece is mounted on a side of upper shell, second clamping piece is provided with a plurality of positioning teeths towards a side of upper shell, positioning teeth on the positioning teeth on second clamping piece and first clamping piece is stacked mutually, on the location, relative position between the lower house is just fixed, bending angle between the following axostylus axostyle.

Description of drawings

Below by preferred embodiments and drawings band tyre of the present utility model is elaborated, in the accompanying drawing:

Fig. 1 is the perspective exploded view of general direction column, and the member relevant with this case only is shown among the figure;

Fig. 2 is the solid combination cross-sectional schematic of direction column shown in Figure 1, only upper and lower casing is carried out section among the figure;

Fig. 3 is the solid combination scheme drawing of the utility model direction column one preferred embodiment;

Fig. 4 is the perspective exploded view of blocking device in Fig. 3 preferred embodiment;

Fig. 5 is the solid combination scheme drawing of blocking device in Fig. 4 preferred embodiment; With

Fig. 6 is the solid combination cross-sectional schematic of Fig. 3 preferred embodiment, and part-structure does not cut open and shows among the figure.

The specific embodiment

Fig. 3,4,5,6, preferred embodiment for the utility model direction column 300, present embodiment is set up a blocking device 4 on above-mentioned general structure, therefore present embodiment includes a upper shell 31, a lower house 32, a upper shaft lever 33, once axostylus axostyle 34, a Hooke's coupling 35 and a setting device 36 equally, setting device 36 comprises one first clamping piece 37, one second clamping piece 38 and a control lever 39, the structure of these members and connection relationship are to above-mentioned similar, and all be that those skilled in the art are to understand, so no longer describe in detail.

Present embodiment blocking device 4 comprises one first electromagnetic valve 41, one second electromagnetic valve 42, a blocking element 43, an interference piece 44 and a movement parts 45.

First electromagnetic valve 41 is located at upper shell 31 near control lever 39 places, and has one first portable bar 411, and corresponding first portable bar 411 places are provided with a draw-in groove 391 on control lever 39, first electromagnetic valve 41 is controlled by a control setup 49 in the present embodiment, this control setup 49 can be an electronic lock, the tradition key, structures such as wafer coded lock, 49 of control setups are whether to pass to electric current in order to control first electromagnetic valve 41, when first electromagnetic valve 41 passes to electric current, its first portable bar, 411 ends will be withdrawed from from the draw-in groove 391 of control lever 39, and first electromagnetic valve 41 is not when passing to electric current, its first portable bar, 411 ends will be fastened in the draw-in groove 391, the activity of restriction control lever 39; The electrical connection of the control setup 49 and first electromagnetic valve 41 is general circuit arrangement, so no longer describe in detail.

Second electromagnetic valve 42 is located on the lower house 32, be to be located in the present embodiment near first clamping piece, 37 places, it has one second

portable bar

421,49 controls of the also controlled in the present embodiment device of second electromagnetic valve 42, that is to say that this control setup 49 is the control setup of a two sectional type, 41, the second sections control of first section control first electromagnetic valve, second electromagnetic valve 42, the order explanation below of its action relationships; When second electromagnetic valve 42 passed to electric current, its second portable bar 421 was accommodated to second electromagnetic valve, 42 inside, just to the 42 inner indentations of second electromagnetic valve.

Blocking element 43 slightly is long and flat, be hubbed at lower house 32 on one first body of rod 322 that upper shell 31 extends, blocking element 43 1 ends are connected to the free end of second portable bar 421, so when second portable bar 421 inwardly or outwards stretched with respect to second electromagnetic valve 42, blocking element 43 pivoted with respect to lower house 32.

Interference piece 44 slightly is long and flat, is hubbed at lower house 32 on one second body of rod 324 that upper shell 31 extends, and interference piece 44 1 ends are connected to the end of blocking element 43 in contrast to second portable bar 421, and it acts on and the following describes; On second body of rod 324, be arranged with a spring 441 in addition, one end of spring 441 relies on one the 3rd body of rod 326 that lower house 32 extends towards upper shell 31, the other end then relies on the end that interference piece 44 is connected to blocking element 43, makes interference piece 44 have a power that relies on blocking element 43 forever.

Moving part 45 roughly is a triangle plate body in the present embodiment, and be fixedly arranged on a side of upper shell 31, can be with upper shell 31 interlocks, have one first flange 451 and one second flange 452 at moving part 45 near lower house 32 places, not controlled device 49 controls of second electromagnetic valve 42, just second portable bar 421 is to the 42 inner indentations of second electromagnetic valve, when upper shaft lever 33 upwards is pivoted to the Applicable scope that Hooke's coupling 35 allows with respect to following axostylus axostyle 34, first flange 451 of moving part 45 is subjected to the restriction of blocking element 43, make upper shaft lever 33 not make progress again to pivot and exceed the permissible range of Hooke's coupling 35, equally in not controlled device 49 controls of second electromagnetic valve 42, when upper shaft lever 33 is pivoted to the Applicable scope that Hooke's coupling 35 allows downwards with respect to following axostylus axostyle 34, second flange 452 of moving part 45 will be subjected to the restriction of lower house 32 first bodies of rod 322, make upper shaft lever 33 not pivot downwards again and exceed the permissible range of Hooke's coupling 35.

In addition; it should be noted that present embodiment moving part 45 is to be fixedly arranged on upper shell 31 by a screw 455 and positioning piece 456; between locations 456 and moving part 45, be provided with soft liner 457; so can make first flange 451 and second flange 452 when collision, have the effect of buffering, further protect member.

Therefore, present embodiment is when practical operation from the above, be to have a lot of states, after automobile (not shown) is launched, the user is not activated as yet at control setup 49, and do not control first, two

electromagnetic valves

41,42 o'clock, the user can not adjust bearing circle (not shown) height, because first electromagnetic valve 41 is not alive state when not controlled device 49 is controlled, and its first portable bar, 411 ends are equipped in the draw-in groove 391, the activity of restriction control lever 39 makes and wins, second clamping piece 37, the 38th, mutual stacked blocking so upper shaft lever 33 can not pivot with respect to following axostylus axostyle 34; When 41 controlled device 49 controls of first electromagnetic valve were alived, first portable bar, 411 ends made that by withdrawing from the draw-in groove 391 control lever 39 is struck, thus the suitable height of adjustable whole bearing circle.

As previously mentioned, in not controlled device 49 controls of second electromagnetic valve 42, that is to say when control setup 49 does not enter second section control program as yet that the user can only adjust the height of bearing circle in the scope that Hooke's coupling 35 is allowed, but all normal runnings of bearing circle in this scope.

When control setup 49 enters second section control program and controls second electromagnetic valve 42, first, two

electromagnetic valves

41,42 are all passed to electric current, at this moment second portable bar 421 of second electromagnetic valve 42 stretches out to second electromagnetic valve, 42 outsides, and then pushing tow blocking element 43, blocking element 43 is pivoted with respect to lower house 31 around first body of rod 312, the other end of while blocking element 43 then item pushes away interference piece 44, make interference piece 44 compression springs 441, and first flange 451 of moving part 45 is after blocking element 43 rotates, just can not be subjected to the restriction of blocking element 43, make upper shaft lever 33 upwards pivot again and exceed the permissible range of Hooke's coupling 35, approximately make upper shaft lever 33 with respect to axostylus axostyle 34 bendings down greater than more than 15 degree.

Then, control lever 39 is stirred downwards, make first,

second clamping piece

37,38 mutual stacked blockings, and then make bearing circle be positioned the position that normally to use, at this moment the control of again control setup 49 being removed first, second

electromagnetic valve

41,42, first portable bar, 411 ends just will be fastened in the draw-in groove 391 once more, thereby the activity of restriction control lever 39, and interference piece 44 utilizes the elastic force of spring 441 to promote blocking element 43 conversely, but because blocking element 43 is fastened on the inboard of moving part 45, so temporarily can not continue to promote blocking element 43.

By the time after the restriction of control lever 39 is disengaged, when being switched to bearing circle in the scope that Hooke's coupling 35 allows downwards, moving part 45 also rotates thereupon, behind first flange, the 451 process blocking elements 43 of moving

part

45,44 of interference pieces continue to promote blocking element 43, make blocking element 43 get back to the mobile alignment of first flange 451 again, and have the function of restriction first flange 451, second portable bar 421 at this moment is pushed to the 42 inner indentations of second electromagnetic valve and gets back to former state certainly.

Certainly, remove restriction to control lever 39, just must with correct key or input correct password start-up control device 49 just can, thereby present embodiment is not only had adjust the suitable height of bearing circle but also has theft-proof function.

Claims

1. one kind has and adjusts and the direction column of anti-theft feature, described column comprises a lower house, one upper shell, one rotating shaft and a setting device, described rotating shaft has a upper shaft lever, once axostylus axostyle is with on one is connected, the Hooke's coupling of following axostylus axostyle, upper shaft lever connects a bearing circle, following axostylus axostyle connects a steering hardware, bearing circle may command steering hardware, upper shaft lever can change with respect to the lower shaft bar pivot, it is characterized in that: described column comprises a blocking device, the position of described blocking device lockable upper shaft lever, blocking device comprises one first electromagnetic valve, first electromagnetic valve is located at upper shell near the control lever place, blocking device comprises one second electromagnetic valve, one blocking element, one interference piece and a moving part, second electromagnetic valve is located on the lower house.

2. the direction column with adjustment and anti-theft feature as claimed in claim 1, it is characterized in that: described rotating shaft comprises a upper shaft lever, once axostylus axostyle is with on one is connected, the Hooke's coupling of following axostylus axostyle, upper shaft lever is hubbed in the upper shell, the lower shaft bar pivot is located in the lower house, on, following axostylus axostyle can be respectively last, lower house is interior around its axial rotation separately, Hooke's coupling can make, following axostylus axostyle is interlock together, setting device comprises one first clamping piece, one second clamping piece and a control lever, the first clamping piece group is established a side that is fixed on lower house, first clamping piece is provided with a plurality of positioning teeths in the outside in contrast to lower house, second clamping piece is mounted on a side of upper shell, second clamping piece is provided with a plurality of positioning teeths towards a side of upper shell, positioning teeth on the positioning teeth on second clamping piece and first clamping piece is stacked mutually, on the location, relative position between the lower house is promptly fixed, bending angle between the following axostylus axostyle.

3. the direction column with adjustment and anti-theft feature as claimed in claim 2, it is characterized in that: described second clamping piece side of upper shell dorsad is provided with a draw-in groove, control lever one end is articulated on the upper shell, the other end is a free end, and control lever extends the both sides of draw-in groove, upwards stir the free end of control lever, control lever is with pushing tow draw-in groove upper limb, make the positioning teeth of second clamping piece break away from the positioning teeth on first clamping piece, at this moment just can be with upper shaft lever with respect to following spindle rotation, thereby stir the free end of control lever downwards, control lever pushing tow draw-in groove lower edge, make the stacked blocking of positioning teeth of the positioning teeth and described first clamping piece of second clamping piece, the relative position of upper shell and lower house is fixed, promptly upper shaft lever can not be with respect to following spindle rotation.

4. the direction column with adjustment and anti-theft feature as claimed in claim 2, it is characterized in that: described first electromagnetic valve has one first portable bar, is provided with a draw-in groove corresponding to first portable bar on control lever.

5. the direction column with adjustment and anti-theft feature as claimed in claim 2, it is characterized in that: described second electromagnetic valve has one second portable bar, second electromagnetic valve is controlled by a control setup, second electromagnetic valve passes to electric current second portable bar and accommodates to the second electromagnetic valve inside, promptly to the inner indentation of second electromagnetic valve, second electromagnetic valve is not passed to electric current, second portable bar stretches out to the second electromagnetic valve outside, blocking element is hubbed on the lower house, blocking element one end is connected to the free end of second portable bar, second portable bar is flexible with respect to second electromagnetic valve, blocking element articulates with respect to lower house, interference piece is hubbed on the lower house, interference piece one end is connected to the end of blocking element in contrast to second portable bar, interference piece is provided with an elastic component, make interference piece have a power that leans at blocking element forever, moving part is installed on the upper shell, can be with the upper shell interlock, moving part has one first flange and one second flange, first flange is subjected to the restriction of blocking element, and second flange is subjected to the restriction of lower house.

6. the direction column with adjustment and anti-theft feature as claimed in claim 5, it is characterized in that: described moving part utilizes a screw and positioning piece to be fixedly arranged on upper shell, is provided with soft liner between locations and moving part.

7. the direction column with adjustment and anti-theft feature as claimed in claim 5, it is characterized in that: described control setup is an electronic lock.

8. the direction column with adjustment and anti-theft feature as claimed in claim 5, it is characterized in that: described control setup is a wafer coded lock.