CN101342925B

CN101342925B - Multi-link lever suspension fork regulating mechanism

Info

Publication number: CN101342925B
Application number: CN200710127286XA
Authority: CN
Inventors: 洪瑞达
Original assignee: Yamaha Motor Co Ltd
Current assignee: Yamaha Motor Co Ltd
Priority date: 2007-07-10
Filing date: 2007-07-10
Publication date: 2012-04-18
Anticipated expiration: 2027-07-10
Also published as: CN101342925A

Abstract

A suspension bracket adjusting mechanism with multiple connecting rods is connected between a vehicle frame and a power unit. The suspension bracket adjusting mechanism with multiple connecting rods comprises two frames, a bearing connecting rod, an antivibrator, two linkage rods and an adjusting device. The two frames are connected to a power unit and a shaft lever is arranged between the two frames; the bearing connecting rod is provided with a first end and a second end; one end of the antovibrator is pivoted at the front end of the vehicle frame and the other end is pivoted at the first end of the bearing connecting rod; one end of each linkage rod is pivoted to the shaft lever and the other end is pivoted to the second end of the bearing connecting rod; the adjusting device is arranged at one side of the bearing connecting rod. In this way, the height of the vehicle can be adjusted by only changing the position of the bearing connecting rod.

Description

Multi-link lever suspension fork regulating mechanism

Technical field

The present invention relates to a kind of multi-link lever suspension fork regulating mechanism; Be used to be arranged on the wheel car of automatic two-wheeled cycle or other type; Reach self-propelled vehicle, beat shelves type self-propelled vehicle and power car (promptly all can cross-country car (ATV), golf cart and snowmobile etc.) like speed gram, particularly a kind of can be in order to adjust the multi-link lever suspension fork regulating mechanism of bodywork height.

Background technology

Please refer to Fig. 1 and shown in Figure 2; Existing multi-link lever suspension fork mechanism is connected on the vehicle frame 10a; Vehicle frame 10a is provided with two first pivot connecting seat 11a (as shown in Figure 2) and one second pivot connecting seat 12a; Horizontal support 14a of vehicle frame 10a bottom horizontal expansion, horizontal support 14a one extends to form the 3rd pivot connecting seat 13a.

Above-mentioned multi-link lever suspension fork mechanism comprises: two engine hanger 20a, carry connecting rod 30a, anti-rattler 40a and two length-adjustable trace 50a; Wherein two engine hanger 20a middle part is articulated in the first pivot connecting seat 11a of vehicle frame 10a rear side; And its rear end is connected with power unit, is provided with axostylus axostyle 21a between two engine hanger 20a.

Carry the 3rd pivot connecting seat 13a that connecting rod 30a middle part is articulated in horizontal support 14a, carry connecting rod 30a and be provided with the first end 31a and the second end 32a.Anti-rattler 40a front end is articulated in the second pivot connecting seat 12a of vehicle frame 10a front side, and the rear end is articulated in the first end 31a that carries connecting rod 30a.Two trace 50a are setting at interval; And the one of which end all is articulated on the axostylus axostyle 21a; The other end is articulated in the second end 32a that carries connecting rod 30a; Each trace 50a middle part is provided with hold-doun nut 51a, and trace 50a top and lower interior portion are respectively equipped with the screw thread (not illustrating among the figure) that can cooperatively interact, in order to the length of adjustment trace 50a.

Owing to carry the 3rd pivot connecting seat 13a that connecting rod 30a is articulated in horizontal support 14a; Therefore carry connecting rod 30a only relatively horizontal support 14a be rotated and can't whole shift position, when wanting to adjust overall height, only can be through changing the length of trace 50a; Carry connecting rod 30a rotation to drive; And make anti-rattler 40a, the synchronous interlock of engine hanger 20a, thus change the height of vehicle body, drive with the personage who cooperates the differing heights build.

But, during the length of two trace 50a of earthquake, must two trace 50a be pulled down from vehicle frame 10a; In advance loosening hold-doun nut 51a, hold-doun nut 51a is changeed fastening at last in the upper and lower part of rotating trace 50a again to needed length; The member that this kind mode need be dismantled when adjustment is more, and causes left and right two trace 50a adjustment amounts inconsistent easily, and produces problem of stress concentration; And have at trace 50a under the situation of the structure of adjusting length, trace 50a causes loosening or fracture easily, even has the situation that screw thread collapses tooth to produce; So, not only can't use electronic mode to adjust, and can increase danger.

In addition, another kind of existing multi-link lever suspension fork mechanism increases length adjusting mechanism (not illustrating among the figure) on the anti-rattler unit, through the length of adjustment anti-rattler; Rotate to drive other associated components, thus the adjustment bodywork height, but this kind mode will cause the selling at exorbitant prices of anti-rattler unit; Make to be not easy to introduce the volume production car, and can't adjust by the electricity consumption flowing mode equally, in addition; This kind mode can make the operating angle of anti-rattler significantly change when the adjustment overall height, thereby the sensation of influence driving.

Therefore, the inventor finds that the problems referred to above need to improve, then concentrate on studies and cooperate the various principles of utilization, and propose a kind of reasonable in design and effectively improve the invention of the problems referred to above.

Summary of the invention

Main purpose of the present invention is to provide a kind of multi-link lever suspension fork regulating mechanism, and it uses change to carry the mode of connecting rod position, need not to change or change other associated components, can reach the effect of change bodywork height.

For reaching above-mentioned purpose; The present invention provides a kind of multi-link lever suspension fork regulating mechanism, and it is connected between vehicle frame and the power unit, vehicle frame be provided with two first pivot connecting seats that are oppositely arranged and be separated by one second pivot connecting seat of a segment distance of two first pivot connecting seats; Multi-link lever suspension fork regulating mechanism comprises: two support bodys; It is articulated in two first pivot connecting seats respectively, and is connected in power unit, is provided with axostylus axostyle between two support bodys; Carry connecting rod, it is arranged between first pivot connecting seat and second pivot connecting seat, carries connecting rod and is provided with first end and second end; Anti-rattler, the one of which end is articulated in second pivot connecting seat, and the other end is articulated in first end that carries connecting rod; Two traces, the one of which end is articulated in axostylus axostyle, and the other end is articulated in second end that carries connecting rod; And setting device, it is arranged at a side of carrying connecting rod, carries the position of connecting rod with adjustment.

The present invention has following beneficial effect: the present invention only changes the position of carrying connecting rod; And need not change or change associated components such as trace, anti-rattler; Can reach the effect of change bodywork height; And can manual or electronic mode adjust, and the structure of trace and anti-rattler is simple, and reliability is higher.

Reach technology, method and the effect that such purpose is taked in order further to understand the present invention; Please refer to following relevant detailed description of the present invention, accompanying drawing; Believe that the object of the invention, characteristic and characteristics can be more readily understood; Yet accompanying drawing is only for reference and explanation with explanation, is not to be used for limiting the invention.

Description of drawings

Fig. 1 is the schematic perspective view of existing multi-link lever suspension fork mechanism.

Fig. 2 is the schematic side view of existing multi-link lever suspension fork mechanism.

Fig. 3 is the solid combination scheme drawing of automatic two-wheeled cycle.

Fig. 4 is the solid combination scheme drawing of first embodiment of the invention.

Fig. 5 is the schematic side view of automatic two-wheeled cycle.

Fig. 6 is another schematic side view of automatic two-wheeled cycle.

Fig. 7 is the scheme drawing of second embodiment of the invention.

Fig. 8 is the schematic side view of third embodiment of the invention.

Fig. 9 is the enlarged drawing of the A part of Fig. 8.

Figure 10 is the schematic side view of the fourth embodiment of the present invention.

The specific embodiment

Please refer to Fig. 3 to shown in Figure 6; It illustrates the first embodiment of the present invention; Present embodiment is that example describes with automatic two-wheeled cycle 10, but the present invention do not limit and be applied to automatic two-wheeled cycle 10, also can be the vehicle of other type; Reach self-propelled vehicle, beat shelves type self-propelled vehicle and power car like speed gram, wherein power car be all can cross-country car (ATV), golf cart and snowmobile etc.

Automatic two-wheeled cycle 10 has vehicle frame 11 and power unit 12; Wherein the relative both sides of vehicle frame 11 rear ends are respectively equipped with one first pivot connecting seat 111 (as shown in Figure 5), and front end is provided with one second pivot connecting seat, 112, the second pivot connecting seats 112 and two first pivot connecting seats 111 segment distance of being separated by; Vehicle frame 11 bottoms are provided with horizontal support 113; Horizontal support 113 is connected with leg-of-mutton fixed plate 114, and fixed plate 114 rear sides are welded in horizontal support 113, and the front side is connected with adjustment seat 115; Adjustment seat 115 1 sides are extended a rectangular arm 1151 forward, and adjustment seat 115 belows are provided with intermediate plate 1152.Power unit 12 is positioned near rear side place, vehicle frame 11 below, and power unit 12 rears are articulated with trailing wheel 13, is connected with multi-link lever suspension fork regulating mechanism 20 (as shown in Figure 3) between vehicle frame 11 and the power unit 12.

Above-mentioned multi-link lever suspension fork regulating mechanism 20 comprises: two support bodys 21, one carry connecting rod 22, anti-rattler 23, two traces 24 and setting devices; Wherein two support bodys 21 can be engine hanger (when automatic two-wheeled cycle is when beating shelves type self-propelled vehicle) or vehicle wheel frame (when automatic two-wheeled cycle is the scooter-type self-propelled vehicle); Two support body 21 middle parts are articulated in two first pivot connecting seats 111 (as shown in Figure 5) of vehicle frame 11 respectively; Two support body 21 rear ends are connected between 12, two support bodys 21 of power unit and are provided with the axostylus axostyle 211 that is horizontal alignment near the front end place.

Carry connecting rod 22 and be provided with first end 221 and second end 222, carry connecting rod 22 and be arranged between first pivot connecting seat 111 and second pivot connecting seat 112 of vehicle frame 11.

Anti-rattler 23 front ends are articulated in second pivot connecting seat 112 of vehicle frame 11, and the rear end is articulated in first end 221 that carries connecting rod 22.Anti-rattler 23 is positioned at the stretcher lower position of putting foot that is equivalent to the rider.

Two traces 24 are to be provided with at interval, and the one of which end is articulated in axostylus axostyle 211, and the other end is articulated in second end 222 that carries connecting rod 22, can the strength that transmitted by power unit 12 be directed on the anti-rattler 23 through two traces 24.

Setting device is a kind of design of manual type in the present embodiment; It is arranged at and carries connecting rod 22 front sides; Comprise drivening piece 25 and adjustment part 26; Wherein drivening piece 25 is the arc tabular body, and the middle part of drivening piece 25 articulates with the intermediate plate 1152 (as shown in Figure 5) of adjustment seat 115, makes drivening piece 25 can adjust seat 115 relatively and rotates.

Drivening piece 25 has first end 251 and second end 252 (as shown in Figure 5); First end 251 and the middle part of carrying connecting rod 22 of drivening piece 25 articulate (promptly carrying the eccentric part that connecting rod 22 is articulated in drivening piece 25); Make and carry first end 251 that connecting rod 22 can drivening piece 25 and rotate for centre of gration; And the position of its centre of gration can also be moved, and lets carry connecting rod 22 variable its whole positions of vehicle frame 11 relatively.

Adjustment part 26 is connected in a side of drivening piece 25; Wherein adjustment part 26 comprises screw rod 261, is connected in the knob 262 at screw rod 261 tops and is connected in the intermediate plate 264 of screw rod 261 bottoms; Screw rod 261 is incorporated into the arm 1151 of the adjustment seat 115 of vehicle frame 11 with the mode that is spirally connected; Make adjustment part 26 carry out upper and lower moving relative to arm 1151, intermediate plate 264 is connected in second end 252 (as shown in Figure 5) of drivening piece 25 (being tabular body), with driving belt moving part 25.

When wanting to adjust bodywork height; The knob 262 that only needs turn adjustment part 26; Adjustment part 26 can driving belt moving part 25 second end 252 move up or down with the mode of stepless adjustment, make adjustment seat 115 rotations of vehicle frame 11 relatively of drivening piece 25 integral body, make first end 251 of drivening piece 25 and the carrying connecting rod 22 that is incorporated into first end 251 also produce mobile downward or upward accordingly; Thereby connecting rod 22 single-piece position and angles are carried in adjustment; And make anti-rattler 23, carry connecting rod 22, trace 24 and support body 21 synchronous interlocks, make the location change of the power unit 12 that is connected in support body 21 and trailing wheel 13 relative vehicle frames 11, reach the effect of adjusting bodywork height.

Please again with reference to shown in Figure 5, this moment, bodywork height was not adjusted as yet, and the distance of trailing wheel 13 bottoms and vehicle frame 11 rear end highest points is H1.

Please cooperate with reference to shown in Figure 6; It is the lateral plan after the bodywork height adjustment; Through the mode of turn knob 262, second end 252 of adjustment part 26 driving belt moving parts 25 is moved down, thereby first end, the 251 interlocks carrying connecting rod 22 of drivening piece 25 is moved up; Anti-rattler 23, trace 24 and support body 21 are also changed its angle by drive synchronously separately at this moment; The power unit 12 and the trailing wheel 13 that are connected in support body 21 are shifted downwards, make the trailing wheel 13 and the distance of vehicle frame 11 rear end highest points increase to H2, reach the purpose that bodywork height is uprised by H1.Otherwise, as long as turn knob 262 makes second end 252 of adjustment part 26 driving belt moving parts 25 move up, can shorten the distance between trailing wheel 13 and the vehicle frame 11, make the bodywork height step-down.

Please refer to shown in Figure 7ly, it illustrates the second embodiment of the present invention, with the difference of first embodiment be in:

Setting device is a kind of DYN dynamic design in the present embodiment; Adjustment part 26 connects electro-motor 27; Utilize the upper and lower displacement of electro-motor 27 control adjustment parts 26, and then second end 252 of driving belt moving part 25 produces and moves up or down, make drivening piece 25 first end 251 with carry the also cooresponding generation of connecting rod 22 and move downward or upward; And can reach the function that connecting rod 22 positions are carried in adjustment equally, thereby change the height of vehicle body.

Please refer to Fig. 8 and shown in Figure 9, it is the third embodiment of the present invention, with the difference of first embodiment be in:

Drivening piece 25 also can be eccentric wheel or cam; The one of which side is provided with wrom tooth 253 (as shown in Figure 9); Drivening piece 25 is articulated on the vehicle frame 11, and adjustment part 26 is connected in a side of drivening piece 25, and wherein adjustment part 26 comprises worm screw 263 and is connected in the knob 262 of worm screw 263 1 ends; Worm screw 263 is engaged in wrom tooth 253, carries the eccentric part that connecting rod 22 is articulated in drivening piece 25.

When wanting to adjust overall height; The knob 262 that can manually rotate adjustment part 26 carries out stage adjustment, via cooperating of worm screw 263 and wrom tooth 253, drivening piece 25 is rotated; Feasible carrying connecting rod 22 change of location that are articulated in the eccentric part of drivening piece 25, and then reach the effect of adjusting overall height.

Please refer to shown in Figure 10ly, it is the fourth embodiment of the present invention, with the difference of first embodiment be in:

Vehicle frame 11 has been provided with tooth bar 116, carries connecting rod 22 1 sides and is pivoted with the gear (figure slightly) that is engaged in tooth bar 116.Setting device comprises tommy bar 28 and restriction pull bar 29, and tommy bar 28 is connected with restriction pull bar 29 and rotates synchronously, and when loosening tommy bar 28, restriction pull bar 29 separates with carrying connecting rod 22, and carrying connecting rod 22 can cooperate with tooth bar 116 and carry out the adjustment of position; After adjustment is accomplished, tommy bar 28 to be left behind, restriction pull bar 29 promptly contacts at a side of carrying connecting rod 22, is limited on the tooth bar 116 and will carry connecting rod 22, thus, makes that carrying connecting rod 22 can carry out forward and backward moving relative to vehicle frame 11, reaches the purpose of change overall height.

Thus, through multi-link lever suspension fork regulating mechanism of the present invention, have like following characteristics and function:

1, the present invention only adjusts the position of carrying connecting rod 22, does not need directly to change the length of trace 24, and need not arduously trace 24 to be pulled down, and does not therefore have the problem that left and right two traces 24 are adjusted inconsistent and stress concentration.

2, trace 24 and anti-rattler 23 needn't be provided with the mechanism of adjustment, so its structure is comparatively simple, and reliability is higher.

3, the present invention can manual or electronic mode reach the function of adjusting bodywork height.

4, owing to the angle and the position of carrying connecting rod 22 are variable, so can make the operating angle of anti-rattler 23 change, and have influence on the sensation of driving through the angle of adjustment carrying connecting rod 22 forward and backward can not the generation significantly of bodywork height adjustment.

But; The above is merely the preferred embodiments of the present invention; Therefore can not limit claim scope of the present invention, so the content of every utilization specification sheets of the present invention and accompanying drawing and make the technique variation that is equal to all should be included in the claim scope of the present invention.

Claims

1. multi-link lever suspension fork regulating mechanism; Be connected between vehicle frame and the power unit; Said vehicle frame be provided with two first pivot connecting seats that are oppositely arranged and be separated by second pivot connecting seat of a segment distance of said two first pivot connecting seats, it is characterized in that said multi-link lever suspension fork regulating mechanism comprises:

Two support bodys, it is articulated in said two first pivot connecting seats respectively, and is connected in said power unit, is provided with axostylus axostyle between said two support bodys;

Carry connecting rod, it is arranged between said first pivot connecting seat and said second pivot connecting seat, and said carrying connecting rod is provided with first end and second end;

Anti-rattler, one of which end are articulated in said second pivot connecting seat, and the other end is articulated in said first end of said carrying connecting rod;

Two traces, the one of which end is articulated in said axostylus axostyle, and the other end is articulated in said second end of said carrying connecting rod; And

Setting device, it is arranged at a side of said carrying connecting rod, to adjust the position of said carrying connecting rod.

2. multi-link lever suspension fork regulating mechanism as claimed in claim 1 is characterized in that, this support body is engine hanger or vehicle wheel frame.

3. multi-link lever suspension fork regulating mechanism as claimed in claim 1; It is characterized in that; Said setting device comprises drivening piece and adjustment part, and said drivening piece is connected in said vehicle frame, and said carrying connecting rod is articulated in the eccentric part of said drivening piece; Said adjustment part is connected in said drivening piece one side, to adjust the position of said drivening piece.

4. multi-link lever suspension fork regulating mechanism as claimed in claim 3 is characterized in that, said vehicle frame is installed with the adjustment seat, and said drivening piece is articulated in said adjustment seat.

5. multi-link lever suspension fork regulating mechanism as claimed in claim 3; It is characterized in that; Said drivening piece is a tabular body, and said tabular body is provided with first end and second end, and first end of said tabular body and said carrying connecting rod articulate; Said adjustment part comprises screw rod, be connected in the knob at said screw rod top and be connected in the intermediate plate of said screw rod bottom, and said intermediate plate is connected in second end of said tabular body.

6. multi-link lever suspension fork regulating mechanism as claimed in claim 3; It is characterized in that said drivening piece is an eccentric wheel, said eccentric wheel one side is provided with wrom tooth; Said adjustment part comprises worm screw and is connected in the knob of said worm screw one end, said worm screw and the engagement of said wrom tooth.

7. multi-link lever suspension fork regulating mechanism as claimed in claim 3 is characterized in that said adjustment part is connected to motor.

8. multi-link lever suspension fork regulating mechanism as claimed in claim 1; It is characterized in that said setting device comprises tommy bar and is connected in the restriction pull bar of said tommy bar, said restriction pull bar and said tommy bar rotate synchronously; And said restriction pull bar is connected to a side of said carrying connecting rod; Said carrying connecting rod is pivoted with gear, and said vehicle frame is provided with tooth bar, said gear and the engagement of said tooth bar.