[summary of the invention]
The present invention seeks to have overcome the deficiencies in the prior art, provide a kind of simple in structure, can be bi-directional folded, volume after folding urine is in storage transportation, stroller frame easy to use.
The present invention is achieved by the following technical solutions:
A kind of stroller frame, is characterized in that comprising:
One left front vehicle frame 1, is connected with the near front wheel 101 on it;
One right front vehicle frame 2, is connected with off front wheel 201 on it;
One left back support 3, its front end is hinged on described left front vehicle frame 1 middle part, and its rear end is connected with left rear wheel 301;
One right back support 4, its front end is hinged on described right front vehicle frame 2 middle parts, and its rear end is connected with off hind wheel 401;
One end cross folding frame 5, comprises mutual intersection and at the hinged first connecting rod 501 of point of crossing and second connecting rod 502, described first connecting rod 501 front ends are hinged on the bottom of described left front vehicle frame 1, and rear end is hinged on the bottom of described right back support 4; Described second connecting rod 502 front ends are hinged on the bottom of described right front vehicle frame 2, and described second connecting rod 502 rear ends are hinged on the bottom of described left back support 3;
One rear folding stand 6, comprise that one end is hinged on the connecting rod 603 of the left end of described left back vehicle frame 3 bottoms and one end and is hinged on the connecting rod of the right end 604 of described right back vehicle frame 4 bottoms, described connecting rod 603 of the left end and described connecting rod 604 tail ends of the right end are hinged and on hinge, be hinged with middle pin bar 605, on described middle pin bar 605, be set with the slide block 606 that can slide thereon, described slide block 606 left and right sides are hinged with respectively left digonal link 607 and right digonal link 608, on the hinge of the connecting rod of the left end 603 described in the other end of described left digonal link 607 is hinged on and described left back vehicle frame 3, on the hinge of the connecting rod of the right end 604 described in the other end of described right digonal link 608 is hinged on and described connecting rod of the right end 604, the upper end of described middle pin bar 605 is hinged with left top connecting rod 609 and right top connecting rod 6010, described left top connecting rod 609 other ends are hinged on left back vehicle frame 3 middle parts, described right top connecting rod 6010 other ends are hinged on described right back vehicle frame 4 middle parts,
One left arm-rest frame 7, its middle part is hinged on described left front vehicle frame 1 upper end, and its lower retractable is inserted into described left back vehicle frame 3 middle parts;
One right arm-rest frame 8, its middle part is hinged on described right front vehicle frame 2 upper ends, and its lower retractable is inserted into described right back vehicle frame 4 middle parts;
One left connecting rod 11, its lower end is hinged on described left back vehicle frame 3 bottoms, and its upper end is hinged on described left arm-rest frame 7 bottoms;
One right connecting rod 12, its lower end is hinged on described right back vehicle frame 4 bottoms, and its upper end is hinged on described right arm-rest frame 8 bottoms;
One control setup 9, on the left arm-rest frame 7 described in being arranged on and described right arm-rest frame 8, launches and controls vehicle frame folding for support frame.
Stroller frame as above, it is characterized in that described control setup 9 comprises the left support cross bar 901 being hinged on described left arm-rest frame 7 and is hinged on the right support cross bar 902 on described right arm-rest frame 8, card article 903 in the middle of being hinged with between described left support cross bar 901 and described right support cross bar 902, described left support cross bar 901 is provided with the hinged place of described left arm-rest frame 7 left side of being pushed down by described left support cross bar 901 and lifts button 9011, a described left side lifts and on button 9011, is tied with stay cord 9012, the tail end of described stay cord 9012 is connected with flexible inserted block 701, described left back vehicle frame 3 middle parts are provided with left jack 303, described flexible inserted block 701 is contained in left arm-rest frame 7 lower ends and is inserted in described left jack 303, between described left arm-rest frame 7 and described flexible inserted block 701, be provided with spring 703.
Stroller frame as above, it is characterized in that described left front vehicle frame 1 middle part is hinged with left mounting bar 131, described left mounting bar 131 rear ends are hinged with left backrest vertical rod 132 by hinge ear, described left mounting bar 131 rear ends are hinged with left inside connecting rod 133, the other end of described left inside connecting rod 133 is hinged on described left arm-rest frame 7 middle parts, described left backrest vertical rod 132 lower hinge have left backrest crossbar 134, upper articulation has left backrest connecting rod 135, described right front vehicle frame 2 middle parts are hinged with right mounting bar 136, described right mounting bar 136 rear ends are hinged with right backrest vertical rod 137 by hinge ear, described right mounting bar 136 rear ends are hinged with right inside connecting rod 138, the other end of described right inside connecting rod 138 is hinged on described right arm-rest frame 8 middle parts, described right backrest vertical rod 137 lower hinge have right backrest crossbar 139, upper articulation has right backrest connecting rod 130, described left backrest crossbar 134 intersects with described right backrest crossbar 139 and is hinged at point of crossing, described left backrest connecting rod 135 other ends and described right backrest crossbar 139 upper ends are hinged, right backrest connecting rod 130 other ends and described left backrest crossbar 134 upper ends are hinged.
Stroller frame as above, between left front vehicle frame 1 front end described in it is characterized in that and described right front vehicle frame 2 front ends, be provided with folding connecting device 15, described folding connecting device 15 comprises the left attaching parts 151 hinged with described left front vehicle frame 1 front end and the right attaching parts 152 hinged with described right front vehicle frame 2 front ends, between described left attaching parts 151 and right attaching parts 152, is hinged with intermediate connector 153.
Stroller frame as above, it is characterized in that described intermediate connector 153 middle parts are provided with the described left attaching parts 151 of restriction and the limiting stopper 154 of right attaching parts 152 pivot stop positions, are respectively equipped with the left limit card 155 spacing with described limiting stopper 154 stoppers and right limit card 156 on described left attaching parts 151 and right attaching parts 152.
Stroller frame as above, is characterized in that described left connecting rod 11 and described right connecting rod 12 are L shaped.
Stroller frame as above, it is characterized in that a described left side lifts button 9011 and comprises the button cover 913 that is sleeved on described left arm-rest frame 7 upper ends, described button cover 913 is provided with L shaped snap fit 914, and described left support cross bar 901 blocks described snap fit 914.
Compared with prior art, the present invention has the following advantages:
1, the present invention adopts front vehicle frame directly hinged with rear vehicle frame and arm-rest frame respectively, between rear vehicle frame and arm-rest frame, connect to realize by connecting rod and fold, bottom arranges end cross folding frame, rear portion is provided with rear folding stand, can left-right and front-back interlock fold, simple in structure, folding rear armrest frame can be fitted with vehicle frame, and folding volume is little.
2, control setup of the present invention is easy to operate, safe and reliable, lifts the supported cross bar of button and blocks, and while only having middle card article upwards to lift, lifts button and just can be pulled, and could fold, safe and reliable, prevents that mistake is folding.
3, between the present invention's two front vehicle frame, be provided with folding connecting device, by end cross folding frame Foldable, easy to use.
[specific embodiment]
A kind of stroller frame, comprising: a left front vehicle frame 1, is connected with the near front wheel 101 on it, one right front vehicle frame 2, is connected with off front wheel 201 on it, one left back support 3, its front end is hinged on described left front vehicle frame 1 middle part, and its rear end is connected with left rear wheel 301, one right back support 4, its front end is hinged on described right front vehicle frame 2 middle parts, and its rear end is connected with off hind wheel 401, one end cross folding frame 5, comprises mutual intersection and at the hinged first connecting rod 501 of point of crossing and second connecting rod 502, described first connecting rod 501 front ends are hinged on the bottom of described left front vehicle frame 1, and rear end is hinged on the bottom of described right back support 4, described second connecting rod 502 front ends are hinged on the bottom of described right front vehicle frame 2, and described second connecting rod 502 rear ends are hinged on the bottom of described left back support 3, one rear folding stand 6, comprise one end be hinged on described left back vehicle frame 3 bottoms connecting rod 603 of the left end and one end be hinged on the connecting rod of the right end 604 of described right back vehicle frame 4 bottoms, described connecting rod 603 of the left end and described connecting rod 604 tail ends of the right end are hinged and on hinge, be hinged with middle pin bar 605, on described middle pin bar 605, be set with the slide block 606 that can slide thereon, described slide block 606 left and right sides are hinged with respectively left digonal link 607 and right digonal link 608, on the hinge of the connecting rod of the left end 603 described in the other end of described left digonal link 607 is hinged on and described left back vehicle frame 3, on the hinge of the connecting rod of the right end 604 described in the other end of described right digonal link 608 is hinged on and described connecting rod of the right end 604, the upper end of described middle pin bar 605 is hinged with left top connecting rod 609 and right top connecting rod 6010, described left top connecting rod 609 other ends are hinged on left back vehicle frame 3 middle parts, described right top connecting rod 6010 other ends are hinged on described right back vehicle frame 4 middle parts, one left arm-rest frame 7, its middle part is hinged on described left front vehicle frame 1 upper end, and its lower retractable is inserted into described left back vehicle frame 3 middle parts, one right arm-rest frame 8, its middle part is hinged on described right front vehicle frame 2 upper ends, and its lower retractable is inserted into described right back vehicle frame 4 middle parts, one left connecting rod 11, its lower end is hinged on described left back vehicle frame 3 bottoms, and its upper end is hinged on described left arm-rest frame 7 bottoms, one right connecting rod 12, its lower end is hinged on described right back vehicle frame 4 bottoms, and its upper end is hinged on described right arm-rest frame 8 bottoms, one control setup 9, on the left arm-rest frame 7 described in being arranged on and described right arm-rest frame 8, launches and controls vehicle frame folding for support frame.
Described control setup 9 comprises the left support cross bar 901 being hinged on described left arm-rest frame 7 and is hinged on the right support cross bar 902 on described right arm-rest frame 8, card article 903 in the middle of being hinged with between described left support cross bar 901 and described right support cross bar 902, described left support cross bar 901 is provided with the hinged place of described left arm-rest frame 7 left side of being pushed down by described left support cross bar 901 and lifts button 9011, a described left side lifts and on button 9011, is tied with stay cord 9012, the tail end of described stay cord 9012 is connected with flexible inserted block 701, described left back vehicle frame 3 middle parts are provided with left jack 303, described flexible inserted block 701 is contained in left arm-rest frame 7 lower ends and is inserted in described left jack 303, between described left arm-rest frame 7 and described flexible inserted block 701, be provided with spring 703.
On described right arm-rest frame 8, be also arranged with and structure and member identical on left arm-rest frame 7.
Described left front vehicle frame 1 middle part is hinged with left mounting bar 131, described left mounting bar 131 rear ends are hinged with left backrest vertical rod 132 by hinge ear, described left mounting bar 131 rear ends are hinged with left inside connecting rod 133, the other end of described left inside connecting rod 133 is hinged on described left arm-rest frame 7 middle parts, described left backrest vertical rod 132 lower hinge have left backrest crossbar 134, upper articulation has left backrest connecting rod 135, described right front vehicle frame 2 middle parts are hinged with right mounting bar 136, described right mounting bar 136 rear ends are hinged with right backrest vertical rod 137 by hinge ear, described right mounting bar 136 rear ends are hinged with right inside connecting rod 138, the other end of described right inside connecting rod 138 is hinged on described right arm-rest frame 8 middle parts, described right backrest vertical rod 137 lower hinge have right backrest crossbar 139, upper articulation has right backrest connecting rod 130, described left backrest crossbar 134 intersects with described right backrest crossbar 139 and is hinged at point of crossing, described left backrest connecting rod 135 other ends and described right backrest crossbar 139 upper ends are hinged, right backrest connecting rod 130 other ends and described left backrest crossbar 134 upper ends are hinged.
Between described left front vehicle frame 1 front end and described right front vehicle frame 2 front ends, be provided with folding connecting device 15, described folding connecting device 15 comprises the left attaching parts 151 hinged with described left front vehicle frame 1 front end and the right attaching parts 152 hinged with described right front vehicle frame 2 front ends, between described left attaching parts 151 and right attaching parts 152, is hinged with intermediate connector 153.
Described intermediate connector 153 middle parts are provided with the described left attaching parts 151 of restriction and the limiting stopper 154 of right attaching parts 152 pivot stop positions, are respectively equipped with the left limit card 155 spacing with described limiting stopper 154 stoppers and right limit card 156 on described left attaching parts 151 and right attaching parts 152.
Described left connecting rod 11 and described right connecting rod 12 are L shaped.
A described left side lifts button 9011 and comprises the button cover 913 that is sleeved on described left arm-rest frame 7 upper ends, and described button cover 913 is provided with L shaped snap fit 914, and described left support cross bar 901 blocks described snap fit 914.
Need to fold time, card article in the middle of upwards pushing away, lift the button that lifts of the right and left simultaneously, with kicking rear folding stand, lift button and drive flexible inserted block to slide in arm-rest frame simultaneously, flexible inserted block is extracted in jack by stay cord band, retract in arm-rest frame, push away forward arm-rest frame top, folding downwards when arm-rest frame top folds forward, vehicle frame is folding downwards.Simultaneously, folding stand drives end cross folding frame folding to centre from left and right directions, and arm-rest frame drives backrest vertical rod folding by inside connecting rod simultaneously.
While opening, directly arm-rest frame is opened backward, the pressure stretch of inserted block top is gone out arm-rest frame lower end by spring, slips in jack and block from jack rear side.