CN101513827A - Opening/closing apparatus for swinging type sliding door - Google Patents

Abstract

The invention provides an opening/closing apparatus for swinging type sliding door, including a door and parallel connection rods, which uses a swinging arm to make the door move between a closing position, a projection position, and a full opening position. Guide rail is installed on the door. Parallel connection rods are pivoted onto an arm on a sliding block embedded into a guide rail through a swinging terminal. The projection position is a position projecting rearwards outside the vehicle body from the closing position. The full opening position is a position closer to rear part of the vehicle body comparing with the projection position. The invention is characterized by a swinging central roller becoming the swinging center when the door and the arm performs swing displacement; a first driven roller arranged with a predetermined distance from the central line of the swinging central roller rotating about the swinging central roller; a sliding initial period displacement permission portion formed in the guide rail, and in contact with the first driven roller when the arm and the guide rail swings in the front swinging region, so as to gradually permit the guide rail increase sliding displacement in the full opening position direction.

Description

The switching device of swinging type sliding door

Technical field

The present invention relates to opening or closing the switching device that the swinging type sliding door that is arranged on the stopping port on the automobile sidewall carries out the swinging type sliding door of switch drive.

Background technology

The swinging type sliding door that is arranged on the automobile waves, so that towards the rear is outstanding more than the closing appliance that is used to close stopping port, slide into above-mentioned rear of waving the position, thereby can arrive on the full open position of opening stopping port fully.Aforesaid swinging type sliding door is but that removable shape is supported on body side by the rotary unit of the parallel rod that adopts the limiting door shift position.

In addition, open flat 10-175444 communique (patent documentation 1) or spy the spy and open the example that discloses the door that adopts above-mentioned rotary unit in the 2007-196925 communique (patent documentation 2).

Disclosed swinging type sliding door has adopted the structure of manually carrying out switching manipulation in the patent documentation 1, and disclosed swinging type sliding door has adopted the structure of being carried out switching manipulation by the driving mechanism for switches with motor in the patent documentation 2.

Here, for example, as shown in figure 15, the rotary unit RU that carries out switching manipulation by driving mechanism for switches comprises parallel rod 200, support door load hold-down arm 201 and, wave the driving mechanism for switches 203 of above-mentioned parts.The front and back pivot Zhi Duan of parallel rod 200 is attached on the body side support 204, a pair of arm 207,208 before and after comprising, and rocking back and forth of a pair of arm 207,208 in above-mentioned front and back held on the slide block 206 that is attached in the guide rail 205 that is embedded in door 204 sides.The reel drum 210 that driving mechanism for switches 203 comprises the motor 209 that is supported on the body side support 204, driven by motor 209, with reel drum 210 connect to can twist on the reel drum 210 or from reel drum 210 open put chain 211 and receive chain 212, roll a plurality of pulleys 213 of putting chain 211, the back chain fixer 216 of the preceding chain fixer 214 of door 204 sides, reveal and, roll a plurality of pulleys 215 of switch motion chain 211,212.

Here, when door 204 was positioned on the off position D1, reel drum 210 was rolled and is put chain 211, then at first, because be applied to the tension force on a plurality of pulleys 213, the forearm 207 on the parallel rod waves to extrusion position D2, the slide block 206 that is embedded in the guide rail 205 in the door 204 arrives extrusion position D2.And, owing to roll and put chain 211, preceding chain fixer 214 is subjected to towards the tension force of opening direction (left side among Figure 15), thereby the guide rail of reveal 205 slides towards the rear of relative slide block 206, door 204 moves to open position (full open position of coupler) D3, and above-mentioned slide block 206 stops to wave on extrusion position D2.

On the contrary, when door 204 is positioned on the full open position of coupler D3, reel drum 210 is rolled and is received chain 212, the tension force that chain fixer 216 is subjected to towards closing direction (right side among Figure 15) then, relative slide block 206, door 204 and guide rail 205 move towards the extrusion position D2 in the place ahead, and at extrusion position D2, the guide rail 205 of reveal stops the slip of relative slide block 206.And, owing to the tension force of rolling on a plurality of pulleys 213 of receiving on the forearm 207 that chain 212 is applied to parallel rod, parallel rod waves, and the guide rail 205 and the slide block 206 of reveal together wave to off position D1 side from extrusion position D2, and door 204 arrives off position D1.

As mentioned above, the slide block 206 that waves on the end that props up at parallel rod by pivot fulcrum pivot together waves with guide rail 205, waves between off position D1 and extrusion position D2, at this moment, the guide rail 205 relative slide blocks 206 of reveal carry out transitional slide, then break away from from waving track.In order to prevent the generation of this thing, as shown in figure 16, swing center roller Ro props up on forearm 207 by preceding pivot fulcrum b1 pivot, is pivoted in the position of the predetermined distance of being separated by from this swing center roller Ro and waves displacement roller Rv.

Here, swing center roller Ro on the pivot Zhi Zaiqian pivot fulcrum b1 is connected to the swing center limiting wall wo that is formed on guide rail 205 sides, waving shift roller Rv simultaneously rolls mobile along waving bending guide rail groove rr, thereby, when between off position D1 and extrusion position D2, waving, the guide rail 205 that can prevent reveal is from door closing direction or the open direction skew of door as car body fore-and-aft direction X, the restriction reveal wave displacement the time track.

[patent documentation 1] spy opens the 2003-320964 communique

[patent documentation 2] spy opens the 2007-196925 communique

But, as shown in figure 16, when between off position D1 and extrusion position D2, waving, forearm 207 is that the guide rail 205 of the relative reveal in center waves relatively with swing center roller Ro, waving shift roller Rv is that move along waving bending guide rail rr rolling at the center with swing center roller Ro, up to arriving extrusion position D2.And, arrive extrusion position D2, wave shift roller Rv disengaging and wave bending roll rr, roughly the direction of conversion 90 degree arrives the long linearity guide-track groove sr at fore-and-aft direction X.And, arrive the sliding area between extrusion position D2 and the full open position of coupler D3, the slide block that waves end 206 that then comprises the parallel rod of forearm 207 stops at extrusion position D2, relatively, and the relative swing center roller of the linearity guide-track groove sr Ro of rail-sides and wave shift roller Rv and carry out slide relative.

As above-mentioned extrusion position D2 in, wave shift roller Rv and roll and will change 90 degree between direction and the direction of rolling along linearity guide-track groove sr towards full open position of coupler D3 when mobile when mobile along waving bending guide rail rr, the driving resistibility p1 variation of the relative full open position of coupler D3 direction that driving mechanism for switches 203 is subjected to greatly.That is, in order to deal with the anxious driving resistibility of waving the later stage that increases, driving mechanism for switches 203 needs the bigger conversion driving power of maintenance.And owing to be transformed into the variation rapidly of the driving resistibility of slip during the initial stage from waving the later stage, the propulsive effort that driving mechanism for switches 203 applies causes impact easily.

On the contrary, along the linearity guide-track groove sr of guide rail 205 sides, swing center roller Ro and wave shift roller Rv slide relative, from full open position of coupler D3 towards off position D1.

At this moment, later stage arrives extrusion position D2 sliding, then swing center roller Ro is connected to swing center limiting wall wo, and waving shift roller Rv is that move along waving bending guide rail rr rolling at the center with above-mentioned swing center roller Ro, comprises that the guide rail 205 of the relative reveal of parallel rod of forearm 207 waves relatively.

As mentioned above, waving shift roller Rv after the guide rail arrival extrusion position D2 of reveal goes up is the center with above-mentioned swing center roller Ro, with moving direction conversion 90 degree, rush in and wave bending guide rail rr, roll along above-mentioned guide rail and to move, promptly, comprise that the relative guide rail 205 of parallel rod side of forearm 207 waves relatively.At this moment, driving mechanism for switches 203 is changed, so that after the slip of the guide rail 205 relative forearms 207 that finish reveal, waving of beginning postbrachium 207 relative guide rails 205, therefore, in order to deal with, need the conversion driving power F1 that keeps bigger from the conversion rapidly at later stage to the initial stage of waving of sliding.And, since the variation rapidly of the driving resistibility p1 in the conversion, the problem that the conversion that the propulsive effort F1 that exists easy generation driving mechanism for switches 203 to apply causes is impacted.

Summary of the invention

In order to address the above problem, the object of the present invention is to provide and a kind ofly slide or remain in the switching device of swinging type sliding door of the slide block of rail-sides of door and the slip of the relativism between the parallel rod side opening at closing time relativism between the guide rail that conversion is supported on slide block and reveal on the parallel rod at every turn, can prevent that the later stage is transformed into changing rapidly of the just interim driving resistibility of sliding or the increase of the propulsive effort that causes from the conversion rapidly at later stage to the initial stage of waving of sliding from waving, also can reduce the switching device of the swinging type sliding door of impact.

According to the present invention, a kind of switching device of swinging type sliding door is provided, comprise door and arm, above-mentioned door carries out swing slip, and long guide rail is installed along the whole shape of the fore-and-aft direction of vehicle body, above-mentioned arm is attached on the fixed parts of above-mentioned vehicle body, and the end that waves of above-mentioned arm is propped up on the shape freely of sliding embeds slide block in the above-mentioned guide rail by pivot, the slip with the relative above-mentioned slide block of above-mentioned guide rail of waving by above-mentioned arm, make above-mentioned door at off position, move between extrusion position and the full open position of coupler, above-mentioned off position is that above-mentioned door is closed the position of door opening, above-mentioned extrusion position is positioned at the rear in the vehicle body outside of above-mentioned off position, above-mentioned full open position of coupler is positioned at the vehicle body rear of above-mentioned extrusion position, it is characterized in that, above-mentioned switching device comprises: the swing center roller, it is distolateral to be arranged on waving of above-mentioned arm, slidably shape is embedded in the guide groove that is formed in the above-mentioned guide rail, and waving at above-mentioned door and above-mentioned arm becomes swing center when being shifted; First driven voller, with the predetermined distance setting of being separated by of the line of centers of above-mentioned swing center roller, slidably shape is embedded in the guide groove that is formed in the above-mentioned guide rail on above-mentioned arm, and, waving when being shifted at above-mentioned door and above-mentioned arm, is that the center rotates towards hand of rotation with above-mentioned swing center roller; And slip initial stage displacement permission portion, be formed on the above-mentioned guide rail, before near outstanding above-mentioned extrusion position of above-mentioned arm and above-mentioned guide rail, wave when waving in the zone, above-mentioned slip initial stage displacement permission portion contacts with above-mentioned first driven voller, allows above-mentioned guide rail to full open position of coupler direction increase transitional slide gradually.

Above-mentioned slip initial stage displacement permission portion also can be arranged on the wall portion of the guide groove on the end of above-mentioned guide rail.

The switching device of above-mentioned swinging type sliding door can also comprise: second driven voller, pivot props up on above-mentioned arm, and being arranged to line of centers with above-mentioned swing center roller leaves specified amount and is rotated, slidably shape contacts with above-mentioned guide rail, and, waving when being shifted of above-mentioned door and above-mentioned arm is that the center rotates towards hand of rotation with above-mentioned swing center roller; And, wave initial stage displacement permission portion, be formed in the above-mentioned guide rail, above-mentioned relatively arm, guide rail, contacts with above-mentioned second driven voller during near above-mentioned extrusion position from above-mentioned full open position of coupler, makes above-mentioned arm increase the displacement of waving of above-mentioned relatively guide rail gradually.

The above-mentioned initial stage displacement permission portion of waving also can be arranged on side wall surface on the lateral surface of above-mentioned guide rail.

The swing center limiting wall can also be set in the end of above-mentioned guide rail, wave when being shifted at above-mentioned door and above-mentioned arm, above-mentioned swing center limiting wall and above-mentioned swing center roller butt, the switching device of above-mentioned swinging type sliding door can also comprise and waves shift roller, under the swing center roller is connected to state on the above-mentioned swing center limiting wall, when above-mentioned wall waves, and be formed on open skew curved wall butt on the above-mentioned guide rail and prevent that above-mentioned guide rail from open direction to door and being offset.

According to an embodiment of the present invention, wall and guide rail are positioned at when waving the zone before near the extrusion position outstanding, first driven voller is connected in the slip initial stage displacement permission portion, therefore, when wall and guide rail soon finish to wave, can allow the relative wall of guide rail to begin to slide, can be continuously and carry out guide rail smoothly from being rocked to the conversion of slip, can suppress to be transformed into the increase of the violent driving resistibility that the slip initial stage causes from waving the later stage, that also can reduce conversion driving power changes the impact that causes rapidly.

According to an embodiment of the present invention, the slip initial stage is shifted permission portion as the wall portion of guide rail to guide groove, thereby but cost-cutting, and Miniaturizable.

According to an embodiment of the present invention, the swing center roller of relative wall, the guide rail that embedding has a guide groove is from full open position of coupler during near extrusion position, second driven voller with wave initial stage displacement permission portion and contact, therefore, when guide rail soon finishes the slip of relative wall, can allow arm to begin relative guide rail waves, can be continuously and arm is converted to wave, can prevent to be converted to from the later stage of sliding the increase of the violent driving resistibility that the initial stage of waving causes, that also can reduce conversion driving power changes the impact that causes rapidly.

According to an embodiment of the present invention, will wave the side wall portion of initial stage displacement permission portion as the lateral surface of guide rail, thereby but cost-cutting, and Miniaturizable.

According to an embodiment of the present invention, the swing center roller is connected on the swing center limiting wall, therefore, can stop guide rail to the skew of door closing direction, wave the shift roller rolling touch on open offset-limited wall, thereby can stop guide rail to open the direction skew to door, arm and guide rail are waved, and not skew on fore-and-aft direction moves to the door of rail-sides on the off position, closes door opening.

Description of drawings

Fig. 1 briefly shows the automobile side figure that has installed as the switching device of the swinging type sliding door of an embodiment of the present invention;

Fig. 2 is the inboard main portion block diagram at the back door of Fig. 1;

Fig. 3 is the front cross-sectional view that briefly shows the swing sliding unit that adopts in the back door of Fig. 1;

Fig. 4 is the main portion tangent plane block diagram of the swing sliding unit that adopts in the back door of Fig. 1;

Fig. 5 is the lower guide main portion tangent plane block diagram of the swing sliding unit that adopts in the back door of Fig. 1;

Fig. 6 is the lateral plan that briefly shows the swing sliding unit that adopts in the back door of Fig. 1;

Fig. 7 is that the main portion of the swing sliding unit that adopts in the back door of Fig. 1 enlarges planar view;

Fig. 8 is the figure that is used for the action of the lower guide of the swing sliding unit that the back door of instruction diagram 1 adopts and a plurality of rollers;

Fig. 9 is the action specification figure that the extrusion position of the swing sliding unit that adopts in the back door of Fig. 1 is shown;

Figure 10 be illustrate the swing sliding unit that adopts in the back door of Fig. 1 the action specification figure of full open position of coupler;

Figure 11 is the action specification figure that the door off position of the swing sliding unit that adopts in the back door of Fig. 1 is shown;

Figure 12 is the leading portion portion of the action specification figure of the forearm of the swing sliding unit that adopts in the back door of Fig. 1 and lower guide;

Figure 13 is the back segment portion of the action specification figure of the forearm of the swing sliding unit that adopts in the back door of Fig. 1 and lower guide;

Figure 14 is the lower guide of the swing sliding unit that adopts of another embodiment of the present invention and the action specification figure of a plurality of rollers;

Figure 15 is the instruction diagram that is used to illustrate the function of the parallel rod of existing swinging type sliding door and driving mechanism for switches;

Figure 16 is the lower guide of existing swing door and the action specification figure of forearm.

Description of drawings

Stopping port 4 back doors, 3 back

17 slide mechanisms of 16 parallel rods

18 load support arms 19 open driver trains (door switch unit)

101 motors, 102 drums

22 supporting guides of 20 wire harness

24 slide blocks, 241 upper substrates

241f retainer walls 243 lengthwise walls

30 controllers, 31 forearms

32 postbrachiums, 33 guide grooves

49 put chain 51 receives chain

The wa slip initial stage displacement permission wb of portion waves initial stage displacement permission portion

Wo swing center limiting wall B automobile (vehicle body)

D1 off position D2 extrusion position

The line of centers of D3 full open position of coupler Lrf swing center roller

The Rv first driven voller Rc second driven voller

The swing sliding unit of Ro swing center roller U

X fore-and-aft direction Y overall width direction

The specific embodiment

Fig. 1 shows the switching device as the swinging type sliding door of an embodiment of the present invention.This swinging type sliding door (below abbreviate the back door as) the 4th has the back door of rear platform type automobile (below the abbreviate automobile as) B of four doors.

Automobile B comprise about switch stopping port 1 before each Qianmen 2 and, the back door 4 of each stopping port 3 about switch.Each Qianmen 2 front end up and down two h1 of place, h2 hinge link, round end by not shown hook and percussion hammer can load and unload shape be fixed on center pillar 5 up and down in about back fixed part Jf on.

On the other hand, back door 4 is supported by rotary unit U described later, can move between the off position D1 that closes back stopping port 3, extrusion position (extrusion position) D2 that gives prominence to outside car more than off position D1 and the full open position of coupler D3 that moves more backward than extrusion position D2.On off position D1, back door 4 front end up and down fixed part J1, J2 by not shown electrical equipment, promptly, power hook and percussion hammer, on two positions, can load and unload shape and be fixed on center pillar 5, the rear end up and down in about rear end fixed part J3 by not shown electrical equipment, promptly, power hook and percussion hammer can load and unload shape and be fixed on the rear pillar 60.

Not shown batten is installed on the neighboring at back door 4, and when back door 4 was maintained on the off position D1 by above-mentioned batten, closed contact was guaranteed leak tightness at the edge wall of back stopping port 3.

As shown in Figure 1, 2, 3, the swing sliding unit U of main portion that constitutes the door switch unit at back door 4 is installed near the centre on the above-below direction in the rear pillar 60 that is provided with along the back stopping port 3 of vehicle body.

As shown in Figure 3, rear pillar 60 comprise outside plate (four the open plate) 60b of body tail fore-end, vehicle body inboard inner panel 29 (with reference to Fig. 7) fore-end and, not shown reinforcement.Near the vertical flange part f1 that forms as the edge part of back stopping port 3 of centre portion on the above-below direction of rear pillar 60, above-mentioned vertical flange part f1 constitute by the outside plate 60b deposition outside inner panel 29 that will constitute level and smooth vertical wall and the car that is bonded on inner panel 29.

Shown in Fig. 1,3,7, form the installation recess T on the part that overlaps the vertical flange part f1 in rear.Above-mentioned installation recess T is positioned at the below of rear end fixed part J3 towards the vehicle body outside (the close viewer's side among Fig. 1) opening, forms the swing sliding unit U that the main portion that constitutes above-mentioned door switch unit can be installed.

Shown in Fig. 3,4,7, be fixed with substrate component 15 on the low wall 601 of the installation recess T of vehicle body as the foundation of swing sliding unit U.Substrate component 15 constitutes the fixed parts of vehicle body sidewalls, parallel rod 16, door load support wall 18 is installed, comprises end of the chain Poe, Pce (with reference to Fig. 3,7) and a plurality of intermediate calender rolls r described later of driving mechanism for switches 19 in the switch drive source at back door 4.

And, be arranged on back door 4 sides with the parts of the body-side member of driving mechanism for switches 19 interlock.That is, as shown in Figure 1, back door 4 sides are provided with the motor 101 of the drive source M that constitutes driving mechanism for switches 19 and reel drum 46 and a plurality of roller Po1, Pc1, Po2, Pc2 (with reference to Fig. 5,6,7).

Extremely shown in Figure 7 as Fig. 3, substrate component 15 has the maintenance rigid shape, comprise the bottom installation portion 151 of a pair of parallel rod of pivot Zhi Qianhou 16 and extension, and pivot props up the top of load support wall 18 vertical post portion 152 from above-mentioned bottom installation portion 151 towards the top.Bottom installation portion 151 comprise pivot Zhi Qianhou pair of parallel connecting rod 16 the 15a of lateral flange portion, be used to strengthen the 15a of lateral flange portion, and down the below rake 15b that tiltedly extends of square neck and, from below rake 15b bending extension, and be bolted to binding flange 15c on the forward direction end difference 601 of the part that recess T constitute to be installed.

The vertical post portion 152 in top comprises the cardinal extremity stopper section 41 of propping up a cardinal extremity of load support wall 18 by vertical pin 43 pivots.Overlapping on one side of cardinal extremity stopper section 41 have コ word shape to link flange 53 (with reference to Fig. 3), passes through bolt mutually.And as shown in Figure 4, コ word shape links vertical wall flange 53, that extend away from cardinal extremity and overlaps on vertical wall that recess T is installed, and two parts are by not shown bolt.

As Fig. 3, Fig. 6, shown in Figure 7, parallel rod 16 has the switch motion track at the regulation back door 4 of waving or stipulates the function of each position.

The forearm 31 of parallel rod 16 and the front and back connecting pin of postbrachium 32 246,245 close with the front and back end keying on every side of slide block 24 respectively.Forearm 31 and postbrachium 32 predetermined distance of can being separated by on front and back and above-below direction waves, and can prevent to interfere mutually between two arms.

As shown in Figure 3, by the binding of mounting flange 25 one a supporting guide 22 is arranged on the inner panel 402 at back door 4, slide block 24 embeds in the guide-track groove 33 of door supporting guides 22.In addition, mounting flange 35 is bent plates, has the shape of the inwall central authorities main portion that covers inner panel 402, and near the door center, integrated is equipped with reveal pivot described later branch 37.

As shown in Figure 3, the outside plate 401 at back door 4 and the inner panel 402 that is provided with by space in the door in front and back and the peripheral edge portion of bottom be bonded with each other and be one, and, between the top edges portion of two plates, form opening.Above-mentioned opening forms the lifting action zone that wherein can form not shown door glass and as the window frame 55 of its support component.

As shown in Figure 2, cover the car medial surface of the inner panel 402 at back door 4 by ornament 80.Form the otch 81 of the front and back arm 31,32 that inserts parallel rod 16 on the ornament 80, by not shown engaging unit, the ornament entire card is combined on the inner panel 402.

Shown in Fig. 1,3,4,6, door load support arms 18 is installed in the top of parallel rod 16.The base end part 441 of first hold-down arm 44 of door load support arms 18 by first vertically pin 43 pivots prop up on cardinal extremity stopper section 41, cardinal extremity stopper section 41 is formed on pivot and props up in top vertical post portion 152 on the top of the substrate component 15 of body side.Vertically sell 62 by second, pivot props up the base end part 611 of second hold-down arm 61 on the round end of first hold-down arm 44, vertically sells 36 by the 3rd, as near the reveal pivot branch 37 the center-of-gravity position that waves end 612 pivot Zhi Houmen 4 of the other end.

First hold-down arm 44 and 61 conducts of second hold-down arm that constitute aforesaid door load support arms 18 have the vertically bar-like member in longer cross section, form with rigid material.Thereby, even door load support arms 18 is subjected to the door load of above-below direction, also can suppress distortion, the load with the center of gravity portion at back door 4 is delivered on the substrate component 15 all the time.At this moment, to shown in Figure 11, move to extrusion position D2, full open position of coupler D3 and along on the optional position that the door switch track moves, door load support arms 18 all can support the door load at back door 4, can limit the inclination at back door 4 from off position D1 as Fig. 9 at the back door.

Support the main portion of wire harness 20 in last door load support arms 18 as described.Promptly, as representing with two long and short dash lines at Fig. 9, with the Denso equipment in the back door 4, for example, form wire harness 20 after each wiring binding of the power hook 6,8 of the motor 101 of the drive source M of formation driving mechanism for switches 19, not shown electric window glass switch regulating control, front and back end fixed part J1, J2, J3 or not shown hook sensor and controller 30 etc., wire harness 20 is attached on the power supply (not shown) and master controller 300 of body side.Wire harness 20 extends from body side, by the not shown clip that forms with resin be attached at successively a load support arms 18 base end part 441, first hold-down arm 44, second hold-down arm 61, wave on each sidewall of end 612, reveal pivot branch 37, arrive the inner space at back door 4, be connected on controller 30 grades as control convenience.

Shown in Fig. 3,9, the portion's formation within it of door supporting guide 22 is towards the main guide rail groove 33u1 and the driven guide-track groove 33u2 of below, and, shown in Fig. 4,5, the bottom of lower guideway groove 33I1 forms at fore-and-aft direction X longer, and slide block 24 embeds the inside of door supporting guide 22 by front and back outer roller r1, r2 and a plurality of roller r.

Shown in Fig. 3,6,7, slide block 24 is included in fore-and-aft direction X and goes up long upper substrate 241; The infrabasal plate 244 of the module shape that extends towards the below from the part of upper substrate 241; Fore-and-aft direction X outstanding above upper substrate 241 goes up the long vertical longwell 242,243 of shape a pair of arranged side by side; Waving end and can wave the back connecting pin 245 (with reference to Fig. 3,6) that the shape keying is combined in the front portion of upper substrate 241 postbrachium 32; And, extend from the front side (right side Fig. 6) of infrabasal plate 244 towards the below, and waving end and can wave the preceding connecting pin 246 that the shape keying is closed forearm 31.

Form the breach that can leave certain interval shape engaging back outer roller r1 on the main portion of vertical longwell 242 (with reference to Fig. 3), back outer roller r1 props up on vertical longwell 242 by back pivot backing pin pivot longitudinally.Afterwards, outer roller r1 be arranged on the common back swing center line Lrr of back connecting pin 245 on.

Begin before the infrabasal plate 244, with the common preceding swing center line Lrf configuration of preceding connecting pin 246 before outer roller r2 vertically before the pivot backing pin, this preceding pivot backing pin props up preceding outer roller r2 pivot to wave in the branch of forearm 31 and holds on the b.

Thereby, wave by parallel rod 16 by the outside slide block 24 that centre line L rf, Lrr pivot prop up on parallel rod 16 that rocks back and forth, and, back outer roller r1, the preceding outer roller r2 of slide block 24 relatively, door supporting guide 22 is along sliding easily on the fore-and-aft direction X.In addition, the point on back swing center line Lrf, the Lrr when overlooking is expressed as rock back and forth center point P rf, Prr in Fig. 7.

Shown in Fig. 9,10,11, the 33u1 of guide-track groove down, the 33u2 on the top of door supporting guide 22 form in the whole zone of fore-and-aft direction X longer.On the other hand, the lower guideway groove 33I1 of the bottom of door supporting guide 22 is formed into the roughly centre portion of the length direction of a supporting guide 22, and its back (left side among Fig. 9) do not form.

Insert the swing center roller Ro that waves end and the first driven voller Rv of forearm 31 among the lower guideway groove 33I1 of bottom.Here, shown in Fig. 4,5,9, the lower guideway groove 33I1 of the bottom of door supporting guide 22 forms crooked branch road sr at its rear side end by branching portion.

Shown in Fig. 8,9, leave predetermined distance and formation arranged side by side between the end side of the road sr of above-mentioned bending and lower guideway groove 33I1 with it, cover the end of lower guideway groove 33I1 with swing center limiting wall wc.When swing center roller Ro was connected on the above-mentioned swing center limiting wall wc, above-mentioned swing center limiting wall wc can keep the swing center of the forearm 31 of relative guide rail 22 and door 4.And, above-mentioned swing center roller Ro is connected on the above-mentioned swing center limiting wall wc, thereby can keep the state that a supporting guide 22 sides arrive extrusion position D2, and can guarantee that swing center roller Ro with pivot branch center line Lrf is being the displacement of waving between the extrusion position D2 at center and the off position D1.

And, as shown in Figure 8, cover the outside of the end of crooked branch road sr and lower guideway groove 33I1 with the open skew curved wall wrs of bending.The centre line L rf that above-mentioned open skew curved wall wrs forms the swing center roller Ro that is connected to relatively on the swing center limiting wall wc has the circle of certain radius of rotation rs.Therefore, be connected under the state on the swing center limiting wall wc with swing center roller Ro, when forearm 31 waves, be formed on open skew curved wall on the guide rail 22 and pivot and prop up described later on forearm 31 and wave shift roller Rk rolling touch, thereby can prevent that guide rail 22 is towards open direction (left among Fig. 9 to) skew.Therefore, when between extrusion position D2 and off position D1, waving displacement, can keep pivot branch center line Lrf with swing center roller Ro and be the swing center of the forearm 31 of the swing center of guide rail 22 at center and phase opposite house 4, make its non-migration, can prevent that door from waving course deviation or inhomogeneous.

And, as shown in Figure 8, form the slip initial stage displacement permission wa of portion as the convex curvature wall with the locational guide-track groove inwall at the lower guideway groove 33I1 of crooked branch road sr interflow.As described later, wave region D 2bf (zone of waving in the scope of (b)～(h) in Fig. 8) when waving before near outstanding extrusion position D2 of forearm 31 and guide rail 22, this displacement permission wa of portion and the first driven voller Rv rolling touch described later at slip initial stage, thus allow guide rail 22 to full open position of coupler D3 direction (left among Fig. 3 to) transitional slide gradually.That is, as the explanation in Figure 16, the driving resistibility p1 that can prevent transition is in possible trouble, and it is too big to prevent that propulsive effort F1 from becoming.

And, as shown in Figure 8, form the initial stage of the waving displacement permission wb of portion as the concavity curved wall with the locational guide-track groove lateral wall at the lower guideway groove 33I1 of crooked branch road sr interflow.As described later, when the extrusion position D2, the second driven voller Rc described later and the above-mentioned initial stage of the waving permission wb of the portion rolling touch that is shifted allows the displacement of waving of forearm 31 relative guide rails 22 to guide rail 22 relative forearms 31 gradually from full open position of coupler D3 side.Promptly, as in Figure 16, illustrating, can prevent: the guide rail 22 of relative reveal, forearm 31 changes moving direction via extrusion position D2 to the initial stage of waving rapidly from the later stage of sliding, change 90 degree, the propulsive effort F1 that follows driving mechanism for switches 203 the to apply impact that changes takes place to change rapidly thereby drive resistibility p1.

Secondly, the switch drive structure 19 that is arranged on the swing sliding unit U on the back door 4 is described.

As shown in Figure 1, driving mechanism for switches 19 has by the motor 101 of the drive source that constitutes back door 4 and the rotational force of reel drum 46, from off position D1 via extrusion position D2, the function that moves to full open position of coupler D3.

That is, to shown in Figure 11, driving mechanism for switches 19 comprises by being arranged on back door 4 in-to-in motors 101 and driving and drive source M that the platen roller 46 of rollable or relieving constitutes by motor 101 as Fig. 1, Fig. 9; Can freely emit shape and be twisted in putting chain 49 and receiving chain 51 on the reel drum 46; Roll the end drive pulley P o1 of door supporting guide 22 front ends of putting chain 49; Roll the end drive pulley P c1 of door supporting guide 22 rear ends of receiving chain 51; The first pulley 23f of the front side of slide block 24; The second drive pulley P o2 (preceding intermediate pulley) on the forearm 31; Supported by the 15a of lateral flange portion, and link the end of the chain Poe of the anchor portion of putting chain 49; The first pulley 23r of the back survey of slide block 24; The second drive pulley P c2 (back intermediate pulley) on the postbrachium 32; And the lower flange 53d that is linked support 53 (with reference to Fig. 3) by コ word shape supports, and links the end of the chain Pce of the anchor portion of receiving chain 51.

Secondly, the action at back door 4 is described.

Receive before the instruction of opening door at controller 30 (with reference to Fig. 9), back door 4 is maintained in its closed position on the D1.At this moment, on the front end of back door 4 sides under fixed part J1, the front end each power hook 6,8 of fixed part J2 and rear end fixed part J3 keep the state that is fixed, keep the state that does not have energized simultaneously.

At this moment, shown in Fig. 8 (a), Figure 11, Figure 12 (a), the end that waves of postbrachium 32 and forearm 31 is drawn in the vehicle body inboard, and the slide block that waves end 24 of door supporting guide 22 and two arms together is maintained in its closed position back door 4 on (with reference to Fig. 1) D1.

At this moment, shown in Fig. 8 (a), swing center roller Ro is connected on the swing center limiting wall wc, and the first driven voller Rv is connected on the end wall wst of crooked branch road sr, thereby can limit guide rail 22 is offset to vehicle body the place ahead (right among Fig. 8 (a), Figure 11), and, wave shift roller Rk and open skew curved wall wrs rolling touch, thereby can limit guide rail 22 to door vehicle body rear (left among Fig. 8 (a), Figure 11 to) skew.

Secondly, controller 30 receives the instruction of opening door, and then by wire harness 20, fixing instruction is removed in each ultromotivity hook 6,8 output of fixed part J2 and rear end fixed part J3 under the front end fixed part J1 at the back door on the off position D1 4, front end.

And controller 30 receives the instruction of opening door based on the instruction of opening door, as Fig. 1, shown in Figure 9, drives the reel drum 46 of drive source M side, rolls with what thick line was represented to put chain 49, emits and receives chain 51.At this moment, shown in Fig. 7,9, owing to be applied to the tension force of putting on the chain 49, the interval between the second drive pulley P o2 (preceding intermediate pulley) on end of the chain Poe (putting the chain fixed end) and the forearm 31 narrows down, forearm 31 wave end and slide block 24 integral body are waved towards the vehicle body outside, be rocked to extrusion position D2 side.That is, parallel rod 16 and its slide block 24 that waves end are waved to opening direction, with its interlock, door 4 is rocked to extrusion position D2 side.

At this moment, at first, waving in the zone of Fig. 8 (b), (c), Figure 12 (b), swing center roller Ro is connected under the state on the swing center limiting wall wc, the first driven voller Rv on the forearm 31 leaves crooked branch road sr, waves shift roller Rk and rolls mobile along open skew curved wall wrs.Then, the first driven voller Rv is connected on the slip initial stage displacement permission wa of portion, thereby can prevent relative forearm 31 skews of guide rail 22 sides, the result, in the zone of Fig. 8 (b)～(g), Figure 12,13 (b), (d), the slip initial stage displacement permission wa of portion allows the first driven voller Rv forwards to move gradually, and swing center roller Ro leaves swing center limiting wall wc, that is, allow guide rail 22 gradually towards full open position of coupler D3 direction (left among Fig. 9 to) transitional slide.

Secondly, waving in the zone of Fig. 8 (h), (i), Figure 13 (e), the swing center roller Ro and the first driven voller Rv together arrive lower guideway groove 33I1, and guide rail begins to carry out relative moving forward and backward relatively.That is, the zone of waving before entering extrusion position D2 begins transitional slide, also allows a part to wave displacement in arrival by the sliding area behind the extrusion position D2.

Promptly, swing center roller Ro is connected to swing center limiting wall wc, thereby can prevent the skew of guide rail propylaeum closing direction, and, forearm 31 and guide rail 22 are arranged in when waving the zone before near the extrusion position outstanding, the first driven voller Rv rolling touch is on the slip initial stage displacement permission wa of portion, therefore, when wall and guide rail soon stop to wave, can make the relative arm of guide rail begin to slide, carry out guide rail continuously smoothly from being rocked to the conversion of slip, can suppress from waving the increase of the violent driving resistibility F1 that the later stage causes to the conversion at the initial stage of sliding, that also can reduce conversion driving power changes the impact that causes rapidly.

And, driving mechanism for switches 19 by swing sliding unit U is driven, door supporting guide 22 sides (back door 4 sides) are when full open position of coupler D3 rearward slides, as shown in figure 10, the swing center roller Ro and the first driven voller Rv together slide smoothly along lower guideway groove 33I1, and a supporting guide 22 (back door 4) is moved on the full open position of coupler D3.

On the other hand, receive the instruction close door, then controller 30 is based on the instruction that receives, and closes the instruction of door to motor 45 outputs, drives reel drum 46, rolls the receipts chain of representing with thick line 51, emits with what thick line was represented to put chain 49.At this moment, the end drive pulley P c1 that rolls door supporting guide 22 rear ends of receiving chain 51 becomes narrower with gap between the first pulley 23r of the back survey of slide block 24, front and back arm 31,32 be back to shown in Figure 9 must extrusion position D2 on.

At this moment, at first, reach the beginning zone of waving the zone of Fig. 8 (h) from the sliding area of Fig. 8 (i), Figure 13 (e).The result, in the zone of Fig. 8 (g)～(d), Figure 13 (d), (c), wave the initial stage displacement permission wb of portion and allow the displacement of waving of the second driven voller Rc gradually, in the zone of Fig. 8 (c)～(a), Figure 12 (b), (a), swing center roller Ro is near swing center limiting wall wc.And, under swing center roller Ro is connected to state on the swing center limiting wall wc, forearm 31 is that wave at the center with the pivot branch center line Lrf of swing center roller Ro, waving shift roller Rk rolls mobile along open skew curved wall wrs, as shown in figure 11, be not offset on fore-and-aft direction, forearm 31 arrives off position D1.

As mentioned above, swing center roller Ro is connected on the swing center limiting wall wc, thereby can prevent that guide rail 22 is offset to the door closing direction, and, the swing center roller Ro of relative forearm 31, the guide rail 22 that embedding has a following guide groove 33I1 is from full open position of coupler D3 during near extrusion position D2, the second driven voller Rc with wave the initial stage displacement permission wb of portion rolling touch, therefore, when soon finishing the slip of guide rail 22 relative forearms 31, allow waving of the forearm 31 relative guide rails 22 of beginning, forearm 31 is converted to wave, can prevent the increase of the violent driving resistibility p1 that causes to the conversion via initial stage of waving of extrusion position D2 from the later stage of sliding, that also can reduce conversion driving power F1 changes the impact that causes rapidly.

As mentioned above, back stopping port 3 is closed at back door 4, and controller 30 receives the door closing signal that back door 4 has arrived off position D1 by not shown position transduser afterwards.According to this signal, send fixed signal by wire harness 30 each ultromotivity hook (not shown) of fixed part J2 and rear end fixed part J3 under fixed part J1, front end on the front end at back door 4, back door 4 is fixed on the stopping port 3 of back, thereby fixed signal is input in the controller 30.

In above-mentioned content, in the driving mechanism for switches 19 of the swing sliding unit U that the door switch unit of Fig. 1 adopts, the motor 101 and the reel drum 46 of formation being rolled, emitting the drive source M of folding and unfolding chain 49,51 are housed in the door, on the end of the chain Poe of driving mechanism for switches 19, substrate component 15 that Pce is installed in body side.But, be not limited thereto, also can adopt the door switch unit of being arranged to inverse structure, above-mentioned inverse structure is that a pair of end of the chain with the switch chain of driving mechanism for switches is attached on the front and back end of the guide rail in the not shown door, and motor and reel drum are installed on the base material of body side.At this moment, also can obtain the effect identical with door switch unit shown in Figure 1.

In addition, Figure 14 shows the switching device as the swinging type sliding door of another embodiment of the present invention.Compare with the switching device of the swinging type sliding door of Fig. 1, this switching device got rid of with open skew curved wall wrs butt wave shift roller Rk, except this point difference, other structures are roughly the same, omit explanation here.

The door switch unit of Figure 14 is during Figure 14 (1)～(5) of door off position D1 before wave beginning, make a slip slippage S1 in advance, break away from fully from the engagement of hook, slip opposing when reducing door rotation beginning, and, during Figure 14 (6)～(12), wave displacement.In this zone, carry out the action identical with the swinging type sliding door of Fig. 1, forearm 31 and guide rail 22 are arranged in when waving the zone before near the extrusion position D2 outstanding, the first driven voller Rv and the slip initial stage displacement permission wa of portion rolling touch, therefore, when arm and guide rail soon finish to wave, allowing guide rail to begin relative arm slides, can be continuously and carry out guide rail smoothly from being rocked to the conversion of slip, can suppress the increase of the violent driving resistibility F1 that causes from the conversion of waving later stage to the initial stage of sliding, that also can reduce conversion driving power changes the impact that causes rapidly.

Identical, when closing, the swing center roller Ro of relative forearm 31, the guide rail 22 that embedding has a following guide groove 33I1 is from full open position of coupler D3 during near extrusion position D2, the second driven voller Rc with wave the initial stage displacement permission wb of portion rolling touch, therefore, when guide rail 22 soon finishes the slip of relative forearm 31, allow the relative guide rail 22 of forearm 31 beginnings to wave, can be continuously and carry out converting to of forearm 31 smoothly and wave, can prevent to be transformed into from the later stage of sliding the increase of the violent driving resistibility p1 that the initial stage of waving via extrusion position D2 causes, that also can reduce conversion driving power F1 changes the impact that causes rapidly.

Claims (5)

1. the switching device of a swinging type sliding door, comprise door and arm, described door carries out swing slip, and long guide rail is installed along the whole shape of the fore-and-aft direction of vehicle body, described arm is attached on the fixed parts of described vehicle body, and the end that waves of described arm is propped up on the shape freely of sliding embeds slide block in the described guide rail by pivot, the slip with the relative described slide block of described guide rail of waving by described arm, make described door at off position, move between extrusion position and the full open position of coupler, described off position is that described door is closed the position of door opening, described extrusion position is positioned at the rear in the vehicle body outside of described off position, described full open position of coupler is positioned at the vehicle body rear of described extrusion position, it is characterized in that described switching device comprises:

The swing center roller, it is distolateral to be arranged on waving of described arm, and slidably shape is embedded in the guide groove that is formed in the described guide rail, and waving at described door and described arm becomes swing center when being shifted;

First driven voller, with the predetermined distance setting of being separated by of the line of centers of described swing center roller, slidably shape is embedded in the guide groove that is formed in the described guide rail on described arm, and, waving when being shifted at described door and described arm, is that the center rotates towards hand of rotation with described swing center roller; And

Slip initial stage displacement permission portion, be formed on the described guide rail, before near outstanding described extrusion position of described arm and described guide rail, wave when waving in the zone, described slip initial stage displacement permission portion contacts with described first driven voller, allows described guide rail to full open position of coupler direction increase transitional slide gradually.

2. the switching device of swinging type sliding door according to claim 1 is characterized in that,

Described slip initial stage displacement permission portion is arranged on the wall portion of the guide groove on the end of described guide rail.

3. the switching device of swinging type sliding door according to claim 1 and 2 is characterized in that comprising:

Second driven voller, pivot props up on described arm, the line of centers of the being arranged to described relatively swing center roller predetermined distance and rotatable of being separated by, and with described guide rail slidably shape contact, wave when being shifted at described door and described arm, with described swing center roller is the center, is rotated to hand of rotation; And

Wave initial stage displacement permission portion, be formed on the described guide rail, during from the nearly described extrusion position of described full open position of coupler side joint, contact, allow the described relatively guide rail increase of described arm to wave displacement gradually with described second driven voller at the described relatively arm of described guide rail.

4. the switching device of swinging type sliding door according to claim 3 is characterized in that,

The described initial stage displacement permission portion of waving is arranged on side wall portion on the lateral surface of described guide rail.

5. the switching device of swinging type sliding door according to claim 1 and 2 is characterized in that, comprising:

The swing center limiting wall is arranged on the end of described guide rail, waves when being shifted described swing center limiting wall and described swing center roller butt at described door and described arm; And

Wave shift roller, when described wall waves under the swing center roller is connected to state on the described swing center limiting wall, described open skew curved wall on waving shift roller and being formed on described guide rail contact, thereby prevents that described guide rail from opening direction to door and being offset.

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