CN2528680Y

CN2528680Y - Back frame capable of autoamtic folded with carriage of children

Info

Publication number: CN2528680Y
Application number: CN 01279993
Authority: CN
Inventors: 蓝贯仁
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-12-27
Filing date: 2001-12-27
Publication date: 2003-01-01
Anticipated expiration: 2011-12-27

Abstract

The utility model relates to a baby carriage that comprises a framework, two blocking seats, an armrest frame, a backrest frame, a lying regulating device and a puling device; wherein, a plurality of blocking flutes are arranged on the two blocking seats for the locating of an inclined swinging blocking rod on the lying regulating device; each of the blocking flute is provided with an inclined surface at front; the pulling device is joined between the backrest frame and the framework; when the baby carriage is folded, the backrest frame is pulled forward through the pulling device, thus the inclined swinging locking rod on the lying regulating device automatically exceeds the inclined surface of each blocking flute and is folded between two side rods of the armrest frame. Therefore, the backrest frame of the utility model can be folded automatically together with the baby carriage.

Description

Back rest can be followed the perambulator of folding automatically

[technical field]

The utility model relates to a kind of perambulator, particularly relates to the perambulator that a kind of back rest can be followed folding.

[background technology]

Perambulator in design in the past, generally be that mounting, back rest and an arm-rest frame are installed on a skeleton, set up a seat cushion that can allow the child take between mounting and back rest, more comfortable in order to allow the child take, back rest normally is configured to change lying angle.This perambulator in the past no doubt provides the space of ride comfort in design, when baby's car when carrying out folding, its skeleton, though mounting and arm-rest frame can the interlock closings, the state before but the angle relation between back rest and mounting can maintain and fold, that is to say, the action that perambulator folds can't the folding of interlock back rest, therefore, perambulator was before folding in the past, must be earlier with back rest toward the location positioning that is advanced to the forefront, and then carry out folding, or after perambulator folds, increase the operation that folds of one back rest again, cause the inconvenience in the folding, therefore, how to allow perambulator when folding, it can be to treat improved problem on the stroller design along with folding all that back rest is positioned at any position in the past.

[utility model content]

The purpose of this utility model is to move automatic folding providing a kind of back rest can follow the perambulator folding, to promote the perambulator of convenient folding.

Perambulator of the present utility model comprises: a skeleton, one arm-rest frame, one location mechanism, one back rest, and the adjusting mechanism of lying of facing upward that is installed on the back rest and can adjusts described back rest lying angle, wherein said skeleton has two forward foot in a step unit, two back foot levers and are erected at the frame that encloses of top, two forward foot in a step unit, and arm-rest frame borrows two pivots pivotally to be erected at enclosing between frame of skeleton, described arm-rest frame has the cooresponding side lever in two left and right sides, but and two be positioned at the side lever bottom and when perambulator launches frame lean against frame seat on the back foot lever of skeleton, described detent mechanism is mounted on the side lever of arm-rest frame, state when being used for locating the arm-rest frame expansion, and described back rest is mounted between two side levers of two arm-rest frames; Be characterized in, described perambulator also comprises: the corresponding braking seat and that is hubbed on the back foot lever inboard of the skeleton mechanism that is pulled about two, but wherein said braking seat is to borrow a pivot to be pivot pendulum mode respectively to be hubbed on the rear leg, on braking seat, has a clip teat towards the arm-rest frame bottom position, on the clip teat, has a recessed expansion positioning groove, and several draw-in grooves of arranging after by forward direction, the place ahead of each draw-in groove all has a dip plane, and described detent mechanism has a perseverance down by the clipping block of pushing tow, but described facing upward has a controlled clip at braking seat wherein in the draw-in groove or break away from the pendulum kelly that inclines of described draw-in groove on the adjusting mechanism of lying, the described mechanism that is pulled is attached between skeleton and back rest.

Under the perambulator deployed condition, the frame seat of arm-rest frame is that frame leans against on the back foot lever of skeleton, and the pendulum kelly that inclines of facing upward the adjusting mechanism of lying this moment is positioned braking seat wherein in the draw-in groove; When the clipping block of detent mechanism breaks away from the expansion positioning groove of location, perambulator can fold, the traction at displacement position forward relatively in mechanism's mat skeleton that is pulled can be pulled back rest forward, and the pendulum kelly that inclines this moment can automatically fold toward anterior displacement along the dip plane in each draw-in groove the place ahead.

[description of drawings]

The perambulator that can follow folding automatically to back rest of the present utility model below by preferred embodiment and accompanying drawing is elaborated, in the accompanying drawing:

Fig. 1 is the block diagram of a preferred embodiment of the utility model perambulator, and a back rest of perambulator described in the figure is positioned at the front position.

Fig. 2 is a lateral plan of described preferred embodiment, illustrates described back rest to be transformed into the state of midway location by the front position layback.

Fig. 3 is not complete three-dimensional exploded view of described preferred embodiment, shows a braking seat of described perambulator and the relativeness between a clipping block.

Fig. 4 is a complete side cutaway view not of described preferred embodiment, shows the arm-rest frame of perambulator and the corresponding relation of a location mechanism.

Fig. 5 is not complete rear perspective view of described preferred embodiment, shows that a back rest and of perambulator is faced upward the corresponding relation of lying between adjusting mechanism.

Fig. 6 is a three-dimensional combination enlarged drawing, the portion of element magnifying state in the displayed map 1.

Fig. 7 is the lateral plan of a similar Fig. 2, shows that the back rest of perambulator is positioned at the position, back.

Fig. 8 is a lateral plan of described preferred embodiment, shows that described perambulator has begun to carry out folding.

Fig. 9 is the not complete block diagram of a similar Fig. 3, the corresponding relation the when clipping block of demonstration perambulator will break away from the clip position between described clipping block and braking seat.

Figure 10 is the lateral plan of a similar Fig. 8, shows that back rest is transformed into the state of front position by the position, back when perambulator carries out folding.

Figure 11 is not complete block diagram of described preferred embodiment, is presented at perambulator relation of the clip between detent mechanism and braking seat under folding state.

Figure 12 is the lateral plan of a similar Fig. 8, shows the state that perambulator folds fully.

[specific embodiment]

Consult Fig. 1,2, the perambulator of present embodiment comprises: the braking seat 2, that skeleton 1, about two was oppositely arranged and pivotally was installed in the skeleton inboard pivotally is installed in the back rest 5, that arm-rest frame 3, about the two corresponding detent mechanisms 4, that are installed on the arm-rest frame 3 on two skeletons 1 are erected at 2 of two braking seats and faces upward the adjusting mechanism 6 of lying, and the mechanism 7 that is pulled.

Described skeleton 1 has corresponding forward foot in a step unit about two 11, two back foot levers 12, and encloses frame 13, is installed in a underframe bar 14 of 12 of two forward foot in a step unit 11 and two back foot levers, four groups of wheels 15 that are installed in forward foot in a step unit 11, foot lever 12 bottoms, back respectively, and a seat board 16 that is erected at 11 of back foot lever 12 and forward foot in a step unit.Wherein said forward foot in a step unit 11 comprises the axle pivot seat 112 that a preceding foot lever 111, that is positioned at the below is positioned at described preceding foot lever 111 tops and is pivoted for back foot lever 12, and the axle railing 113 of pivot above axle pivot seat 112 pivotally, and described enclose frame 13 comprise a transverse strands be located at railing 113 the place aheads before the section of enclosing 131, two sections gusset sections 132 that extend backward the section of enclosing 131 left and right sides before described, and the pivot joint section 133 of up extending from described gusset section 132 rear ends.

Cooperate Fig. 3, but described braking seat 2 is foot lever 12 inboards, two backs that are installed in skeleton 1 in pivot pendulum mode, each braking seat 2 all has the hinge portion 21 that is positioned at below and radian and back foot lever 12 and cooperates, expansion clip teat 23 and one first pivot 24 and one second pivot 25 that an elongated shape convergence part 22, of extending toward the front upper place from described hinge portion 21 is positioned at 22 tops, convergence part, wherein first pivot 24 articulates back foot lever 12 and hinge portion 21, second pivot 25 articulates hinge portion 21 and underframe bar 14, but to constitute the position of two pivot pendulum.And the clip teat 23 that enlarges comprises: an opening up and be positioned at expansion positioning groove 231, the one downward opening folding positioning groove 232 in the place ahead, the arc that is engaged on 231,232 of two positioning grooves connects by face 233, and a front bayonet slot 234, the one middle draw-in groove 235, the back draw-in groove 236 that are positioned at expansion positioning groove 231 rears and are provided with around a fulcrum hole 230, and an exit end 239 that is positioned at front bayonet slot 234 the place aheads, each draw-in groove 234,235,236 all has a pushing face-drawing 237 and that is positioned at the place ahead and is positioned at the upright block face in rear 238.

Described arm-rest frame 3 have one across holding rod 31, the two hollow side levers of under described holding section 31 left and right sides correspondences, stretching 32, be separately fixed at two seats 33 of two side levers, 32 bottoms, and accordingly two side levers 32 homonymy on enclosing frame 15 is articulated section 153 the 3rd pivots 34 that are pivoted about two, the whole arm-rest frame 3 in back that is pivoted can be fulcrum front and back swing with the 3rd pivot 34, wherein said seat 33 bottom be provided with respectively front and back to and downward opening by groove 331, under the state that perambulator launches, the frame of side frames seat 33 is foot lever 12 tops, two backs that are erected at skeleton 1 accordingly by groove 331.

Consult Fig. 1,3,4, described detent mechanism 4 be about corresponding being installed in respectively on two side levers 32 of arm-rest frame 3, each mechanism 4 all has: one is set in the sliding control cover 41 of side lever 32 tops, one be installed in side lever 32 inner and be subjected to 41 primings of sliding control cover on connect piece 42, one and upward connect the following piece 43 that connects that piece 42 is provided with at interval, one links, under connect

piece

42,43 cable wire 44, one perseverance will connect down piece 43 down pushing tow shore spring 45, and one be set on the side lever 32 and and connect the clipping block 46 of piece 43 interlocks down, have one on the wherein said clipping block 46 toward the outstanding card division, location 461 of braking seat 2.Under the state that perambulator launches, be subjected to shoring the pushing tow of spring 45, described clipping block 46 moves down and makes card division, location 461 clips in the expansion positioning groove 231 of braking seat 2, make both break away from clip, then be to overcome the elastic force of shoring spring 45 up to pull described sliding control cover 41, just can move by connecting on piece 43 and the clipping block 46 under cable wire 44 primings.

Consult Fig. 1,5,6, described back rest 5 is to set up 2 of two braking seats, it has a back support bar 51, across a boxed rod 52, a lower link 53 51 of back support bar, and two the 4th pivots 54 that described back support bar 51 are hubbed on 230 of the fulcrum holes of two braking seats 2.Wherein said back support bar 51 has about two upright cooresponding side lever sections 511, and being pivoted by braking seat 2, the side lever 32 of one the 4th pivot 54 and homonymy respectively at 511 ends of two side lever sections forms the fulcrum of swing.

The described adjusting mechanism 6 of lying of facing upward is mounted on the back rest 5, in order to adjust and to locate the lying angle of back rest 5, the described adjusting mechanism 6 of lying of facing upward has: a piece 62, of pulling that is installed in revolving part 61 central parts across the revolving part 61, in two side lever sections, 511 inboards of back support bar 51 is engaged on two revolving parts 61 and the moving part 64 of 63 of the pendulum kellies of inclining across the pendulum kelly 63, that inclines 2 of two braking seats, and a perseverance drop-down spring element 65 of pendulum kelly 63 that will incline.Comprise two support ends 611 that are positioned at end opposite and the kink 612 that is positioned at support end 611 inboards on the wherein said revolving part 61, described support end 611 is plugged on the two side lever sections 511 respectively and constitutes pivot point.Cooperate Fig. 3, when perambulator under deployed condition, be subjected to the effect of spring element 65, the described pendulum kelly 63 that inclines moves down clip on two braking seats 2 wherein in the draw-in groove 234,235,236, and it is described when pulling piece 62 when pulling behind the user, revolving part 61 can be the fulcrum pendulum that inclines toward the back upper place with two support ends 611, and the elastic force priming that overcomes spring element 65 is simultaneously inclined to putting on the kelly 63 and moved the draw-in groove 234,235,236 of disengaging clip.

The described mechanism 7 that is pulled has the left and right sides cooresponding two and is pulled and is with 71, and each is pulled and all is attached at 511 in the side lever portion of the gusset section 132 of gusset frame 13 and back support bar 51 with 71, is used for being pulled simultaneously described back rest 5 forward.

Consult Fig. 1,2,3, when launch and back rest 5 when being positioned the front position baby parking stall, the clipping block 46 of two detent mechanisms 4 is subjected to turning down thrust and is positioned in the expansion positioning groove 231 of homonymy braking seat 2, keep off simultaneously before exit end 239, foot lever 12 tops formed the location after two of arm-rest frame 3 bottoms leaned on groove 331 also to be erected at homonymy respectively, this moment, the pendulum kelly 63 that inclines of back rest 5 was erected in the front bayonet slot 234 of braking seat 2, be subjected to stopping of front bayonet slot 234 rear one block faces 238, whole back rest 5 can be toward backward shift when being subjected to the downstream pressure amount, and can locate the setting angle of described back rest 5, the mechanism 7 that is pulled this moment presents lax state.

Consult Fig. 3,5,7, when back rest 3 will be lain toward layback, at first will pull piece 62 pulls toward the back upper place, just can overcome the elastic force of spring element 65, allow moving part 64 drive to incline move on the pendulum kelly 63 break away from front bayonet slot 234, whole back rest 5 just can two the 4th pivots 54 for pendulum behind the fulcrum be positioned in the middle of draw-in groove 235, perhaps after in the draw-in groove 236, wherein Fig. 7 is the state that is positioned back draw-in groove 236, and the mechanism 7 that is pulled this moment presents the state that supports.

Consult Fig. 4,8,9, when the perambulator of present embodiment when carrying out folding, carry the sliding control piece 41 of two detent mechanisms 4 at first, break away from the expansion positioning groove 231 of location originally to drive to move on the elastic force that below clipping block 46 overcomes goring push spring 45, top holding rod 31 is done fulcrum swing forward with the 3rd pivot 34 then, two seats 33 in arm-rest frame 3 bottoms will break away from the swing backward against the position during swing, and the card division, location 461 of clipping block 46 is to abut against arc even to move toward front lower places by face 233 when swing.And the back rest of putting toward hypsokinesis originally 5 can shift forward because of being pulled of mechanism 7 that be pulled at this moment, in when displacement because draw-in groove 236 the place aheads, back are pushing face-drawings 237, therefore, the strength that is pulled can allow incline puts kelly 63 draw-in groove 235 in the middle of pushing face-drawing 237 enters forward, the pushing face-drawing 237 and the front bayonet slot 234 in draw-in groove 235 the place aheads in the middle of passing through in regular turn then, at last near exit end 239, when the pendulum kelly 36 that inclines during near exit end 239, since the card division, location 461 on the clipping block 46 by on carry and do not stop function toward reach relatively, therefore, the pendulum kelly 63 that inclines can be shifted forward relatively by exit end 239 and breaks away from braking seat 2.That is to say because being pulled of the mechanism 7 that is pulled, described back rest 5 can be automatically forward closing 32 of two side levers of arm-rest frame 3.

Consult Figure 10,11,12, when arm-rest frame 3 tops of perambulator continue folding forward to the front position, card division, location 461 on two clipping blocks 46 is the folding positioning groove 232 of the corresponding braking seat 2 of swing simultaneously also, and be subjected to the described positioning groove 232 that folds of pushing tow clip that spring 45 is shored in inside, so the folding of perambulator action is just accused and is finished.

Not only the skeleton 1 of perambulator, arm-rest frame 3 can fold together also folding together of described back rest 5, and make perambulator more convenient when folding after folding.

Identical reason, the perambulator of present embodiment upon deployment, draw the sliding control piece 41 of two side positioning mechanisms 4 at first, move on side lever 32 to drive clipping block 46, make card division, location 461 break away from the folding positioning groove 232 of clip, described then arm-rest frame 3 just can be toward back upper place pivot pendulum, just be transformed into Figure 10 in regular turn by Figure 12, Fig. 8, be deployed into the state of Fig. 2 at last, under the state of Fig. 2, the card division, location 461 of described clipping block 46 can recover to be positioned in the expansion positioning groove 231 of braking seat 2, when adjusting the lying angle of back rest 5, to pull equally on the pendulum kelly 63 that inclines that piece 62 swing on the rear makes the bottom interlock and move, whole back rest 5 just backward swing behind the appropriate location, loosen again, that is to say that the described pendulum kelly 63 that inclines can be positioned the front bayonet slot 234 of braking seat 2, in middle draw-in groove 235 or the back draw-in groove 236, with the pivot angle degree that inclines of location back rest 5.

By above explanation as can be known, the utility model previous designs is when the perambulator folding, because enclosing frame 13 and railing 113 can be because the folding of perambulator, displacement forward relatively, the place ahead owing to the mechanism 7 that is pulled when displacement is to be attached to enclose on the frame 13, therefore mechanism 7 traction forward is subjected to being pulled, and the design of each draw-in groove 234,235,236, exit end 239 on the braking seat 2, can allow the back rest 5 be to be positioned at that a kind of pivot angle degree that inclines all can automatically fold forward, the folding of perambulator is once finished 32 of two side levers of arm-rest frame 3.

Claims

1. a back rest can be followed the perambulator of folding automatically, and it comprises:

One skeleton has two forward foot in a step unit, two back foot levers and are erected at the frame that encloses on two forward foot in a step unit;

One arm-rest frame borrows two pivots pivotally to be erected at enclosing between frame of skeleton, and it has the cooresponding side lever in two left and right sides, but and two positions frame in the side lever bottom and when perambulator launches lean against frame seat on the back foot lever of skeleton;

One location mechanism is installed on the side lever of arm-rest frame, the position when launching in order to the location arm-rest frame;

One back rest is installed between two side levers of two arm-rest frames; And

One faces upward the adjusting mechanism of lying, and is installed on the back rest, in order to adjust the lying angle of back rest;

It is characterized in that: this perambulator more comprises: the corresponding braking seat and that is hubbed on the back foot lever inboard of the skeleton mechanism that is pulled about two, wherein but these braking seats are to borrow a pivot to be pivot pendulum mode respectively to be hubbed on the rear leg, on braking seat, has a clip teat towards the grab rail bottom position, described clip teat is offered a recessed expansion positioning groove, and several draw-in grooves that arrange to be provided with after by forward direction, all has a dip plane that is positioned at the place ahead on each draw-in groove, and described detent mechanism has a perseverance down by the clipping block of pushing tow, but the described adjusting mechanism of lying of facing upward has a clip at braking seat wherein in the draw-in groove or break away from the pendulum kelly that inclines of described draw-in groove, and the mechanism that is pulled is attached between skeleton and back rest.

2. back rest can be followed the perambulator of folding automatically according to claim 1, it is characterized in that: described back rest has a back support bar, on back support bar, has the cooresponding side lever section in two left and right sides, and the described adjustment machine of lying of facing upward also has: an intersegmental revolving part, of two side levers that is erected at back support bar is installed in pulls that piece, is attached at revolving part and the moving part of the pendulum kelly that inclines on the revolving part, and one gives the pendulum kelly spring element of application force down that inclines.

3. back rest can be followed the perambulator of folding automatically according to claim 1, it is characterized in that: each draw-in groove rear of described braking seat all has the block face that the pendulum kelly moves after improper that prevents to incline.

4. back rest can be followed the perambulator of folding automatically according to claim 1, it is characterized in that: also have on the described braking seat and launch to decide the folding positioning groove that groove is provided with at interval, and an arc that is engaged between two positioning grooves connects by face, under perambulator was collapse state, the card division, location of described clipping block was to be fastened in the folding positioning groove.

5. back rest can be followed the perambulator of folding automatically according to claim 1, it is characterized in that: described detent mechanism has: an axle sleeve at the sliding control piece on the side lever of arm-rest frame, be installed in connect on the side lever in-to-in one piece, one and on connect following that the block gap is provided with and connect piece, be connected a upper and lower cable wire that connects piece, and one give down and connect the move down spring of shoring of application force of piece, wherein connects piece and and clipping block interlock down.

6. back rest can be followed the perambulator of folding automatically according to claim 1, and it is characterized in that: the described mechanism that is pulled has the cooresponding band that is pulled in two left and right sides.

7. back rest can be followed the perambulator of folding automatically according to claim 1, it is characterized in that: when skeleton when folding, the described frame that encloses belongs in the described skeleton position of displacement forward relatively, and the mechanism that is pulled is attached at enclosing on the frame of skeleton.

8. back rest can be followed the perambulator of folding automatically according to claim 1, it is characterized in that: each draw-in groove is round a fulcrum hole setting on the described braking seat, and described arm-rest frame also has about two corresponding and pass the pivot of fulcrum hole, two pivots respectively the axle pivot at the side lever of homonymy and the clip teat of braking seat.

9. can follow the perambulator of folding automatically as back rest as described in the claim 8, it is characterized in that: also have an exit end that is positioned at each draw-in groove the place ahead and is provided with around described fulcrum hole on the clip teat of described braking seat, described exit end is adjacent to and launches the positioning groove rear side.