A kind of stroller of automatic expansion
[technical field]
The present invention relates to a kind of perambulator, a kind of stroller of saying so more specifically.
[background technology]
Perambulator needs folding and expanding very easily, and existing perambulator all is to want the manpower pulling to launch and fold, and can not launch automatically, uses inconvenience, and existing stroller structure more complicated all, heaviness.The armrest of existing perambulator is too in complicacy, shrinks inconveniently, and the poor effect of interlock when shrinking also causes the problem that when shrinking, has some setbacks easily.Need be a kind of easy to use, perambulator simple in structure satisfies the growing comfortable life demand of people.
[summary of the invention]
The present invention seeks to overcome the deficiency of prior art, provide a kind of simple in structure, volume after folding is urinated in storage transportation, comfortable automatic unfolded perambulator easy to use.
The present invention realizes through following technical scheme:
A kind of stroller of automatic expansion is characterized in that comprising:
One frame connecting piece which is provided with slideway;
One lower supporter is hinged on the described frame connecting piece;
One armrest support, its lower end is hinged on described frame connecting piece;
One mobile hinge fitting;
Cut with scissors frame on one, its upper end is hinged on described armrest support middle part, and its lower end is hinged on the mobile hinge fitting;
Cut with scissors frame once, its lower end is hinged on the described lower supporter, and its upper end is hinged on the mobile hinge fitting;
One center slide bar is fixedly connected on the mobile hinge fitting, can be in described slideway sliding extension before and after the frame connecting piece relatively;
One front component is installed in described center slide bar front end;
One elastic component is arranged on described mobile hinge fitting and connects to ground between the part, drives center slide bar sliding extension perambulator is launched automatically;
One control setup is arranged on the described armrest support, controls the part clutch that connects to ground of described center slide bar;
One wheel assembly is installed on the described lower supporter.
The stroller of aforesaid automatic expansion is characterized in that described slideway is the through hole that runs through frame connecting piece, and described center slide bar stretches out frame connecting piece, and described front component detouchable is installed in the front end of center slide bar.
The stroller of aforesaid automatic expansion is characterized in that described control assembly comprises the mount pad control handle that is fixed on the armrest assembly and the telescopic stay cord that links to each other with control handle.
The stroller of aforesaid automatic expansion; It is characterized in that described center slide bar is provided with at least two jacks; Described frame connecting piece is provided with plug housing; Described plug housing is provided with the latch that slidably inserts jack, is provided with between described latch and the plug housing the spring of latch roof pressure in jack.
The stroller of aforesaid automatic expansion is characterized in that described center slide bar is a hollow material, and described center slide bar one side is provided with the groove of ccontaining elastic component.
The stroller of aforesaid automatic expansion is characterized in that described armrest support is provided with the flexible handrail control apparatus of adjustable armrest.
The stroller of aforesaid automatic expansion; It is characterized in that described armrest support comprise upper bracket and with the lower bracket of its socket; The described steering unit that is fixed on the armrest support that comprises; Described upper bracket be provided with one can form clip with lower bracket clip mechanism, be provided with a backguy between described steering unit and the clip mechanism.
The stroller of aforesaid automatic expansion is characterized in that described steering unit comprises:
One can be installed in the permanent seat on the armrest support;
One is fixed on the limiting stopper in the permanent seat;
One movable block that can in limiting stopper, move, an end of backguy is connected with movable block; And
One can drive the elastic button that movable block moves, described lower bracket be provided with one can supply described clip mechanism clip the clip hole.
The stroller of aforesaid automatic expansion; It is characterized in that described clip mechanism comprises the shell that is fixed on the lower bracket; Be provided with in the enclosure one with backguy bonded assembly pulling block and be limited in the enclosure can only side travel holding piece, the lower end of described pulling block is provided with a lower inclined plane, described holding piece upper end is provided with the ramp that cooperates with lower inclined plane; One end of holding piece is provided with a retracing spring, and the other end is provided with the bayonet lock in the clip hole that can be inserted on the lower bracket.
The stroller of aforesaid automatic expansion; It is characterized in that described shell comprises left shell and right shell body; Being provided with one in left shell and the right shell body can limit the upper and lower mobile vertical slot of pulling block and can limit the left and right mobile transverse groove of holding piece; Also be provided with a spacing hole on the described holding piece, be provided with the locating dowel pin that is inserted in the spacing hole between said left shell and the right shell body.
Compared with prior art, the present invention has following advantage:
1, the present invention adopts gas spring to drive the toggle structure that perambulator launches automatically, can launch automatically when use folding back, and is simple in structure; Easy to use comfortable; Front and back wheel assembly detouchable is installed on the vehicle frame, with front and back wheel assembly knocked down packing, is convenient to the storage transportation after folding.
2, pivot bush unit can be formed between upper bracket of the present invention and the lower bracket, thereby the length of armrest support can be regulated.Simple in structure, easy to assembly, and shrink easy, smooth and easy; After the folding, upper bracket straight section part can be inserted in the lower bracket, reduces the folding volume, does not need the convenient disassembly folding.
[description of drawings]
Fig. 1 is a deployed condition block diagram of the present invention;
Fig. 2 is a folded state block diagram of the present invention;
Fig. 3 is a deployed condition block diagram of the present invention;
Fig. 4 is a deployed condition block diagram of the present invention;
Fig. 5 is an I of the present invention portion enlarged drawing;
Fig. 6 is a partial bottom view of the present invention;
Fig. 7 is a partial bottom view of the present invention;
Fig. 8 is a frame connecting piece exploded drawings of the present invention;
Fig. 9 is a cutaway view of the present invention;
Figure 10 is an armrest support block diagram of the present invention;
Figure 11 is an armrest support exploded drawings of the present invention;
Figure 12 is a steering unit exploded drawings of the present invention;
Figure 13 is a steering unit birds-eye view of the present invention;
Figure 14 is a steering unit cutaway view of the present invention;
Figure 15 is a clip of the present invention mechanism exploded drawings.
[specific embodiment]
A kind of stroller of automatic expansion, it comprises:
One frame connecting piece 1 which is provided with the slideway 101 that center slide bar 8 can slide within it, and described frame connecting piece 1 is the split assembly set;
One lower supporter 2 is hinged on the described frame connecting piece 1;
One armrest support 4, its lower end are hinged on described frame connecting piece 1;
One mobile hinge fitting 7;
Hinge frame 5 on one, its upper end is hinged on described armrest support 4 middle parts, and its lower end is hinged on the mobile hinge fitting 7;
Cut with scissors frame 6 once, its lower end is hinged on the described lower supporter 2, and its upper end is hinged on the mobile hinge fitting 7;
One center slide bar 8 is fixedly connected on the mobile hinge fitting 7, can be in described slideway 101 frame connecting piece 1 front and back sliding extension relatively;
One front component 9 is installed in described frame connecting piece 1 front end;
One elastic component 10 is arranged on described mobile hinge fitting 7 and connects to ground between the part 1, drives center slide bar 8 sliding extensions perambulator is launched automatically;
One control setup 11 is arranged on the described armrest support 4, controls described center slide bar 8 part 1 clutch that connects to ground;
One wheel assembly 3 is installed on the described lower supporter 2.Describedly go up hinge frame 5, cut with scissors frame 6 down and lower supporter 2 is the U-shaped pipe.Described center slide bar 8 is a hollow material, and described center slide bar 8 one sides are provided with the groove 802 of ccontaining elastic component 10.
Described slideway 101 is for running through the through hole of frame connecting piece 1.
Described center slide bar 8 stretches out frame connecting piece 1, and described front component 9 detouchables are installed in the front end of center slide bar 8.
Described wheel assembly 3 detouchables are installed on the lower supporter 2.
Described control assembly 11 comprises mount pad 1101 control handles 1102 that are fixed on the armrest assembly 4 and the telescopic stay cord 1103 that links to each other with control handle 1102.
Described center slide bar 8 is provided with at least two jacks 801; Described frame connecting piece 1 is provided with plug housing 105; Described plug housing 105 is provided with the latch 106 that slidably inserts jack 801, is provided with between described latch 106 and the plug housing 105 spring 107 of latch 106 roof pressures in jack 801.
Described armrest support 4 is provided with the flexible handrail control apparatus 20 of adjustable armrest.Described armrest support 4 comprise upper bracket 2011 and with the lower bracket 2012 of its socket; Upper bracket 2011 is respectively tubular structure with lower bracket 2012 in the present embodiment; Upper bracket 2011 is plugged in the lower bracket 2012; Described upper bracket 2011 is a ∩ shape pipe, and described lower bracket 2012 is a pair of straight tube, and it comprises: one is fixed on the steering unit 2002 on the armrest support; Being provided with a manipulation mechanism 2002 between described upper bracket 2011 and the lower bracket 2012 can make upper bracket 2011 and lower bracket 2012 form the clip mechanism 3 of the fixed or movable socket of clip; Be provided with a backguy 2004 between described steering unit 2002 and the clip mechanism 2003, described lower bracket 2012 is provided with the clip hole 20120 that can supply clip mechanism 2003 clips, and clip hole 20120 can be provided with a plurality of upper and lower vertical array in the present embodiment.After user's manipulation mechanism 2002, can spur the clip of 2003 disengagings of clip mechanism and lower bracket 2012, make between upper bracket 2011 and the lower bracket 2012 and can form pivot bush unit, thereby can regulate the length of armrest support.
Described steering unit 2002 comprises: one can be installed in the permanent seat 2021 on the armrest support, and in the present embodiment, steering unit 2002 devices are at the downside of the intermediate pipe of ∩ shape pipe, and person easy to use operates; One is fixed on the limiting stopper 2022 in the permanent seat 2021, and limiting stopper 2022 is provided with a position-limited trough 20221; One movable block 2023 that can in the position-limited trough 20221 of limiting stopper 2022, move; One end of backguy 2004 is connected with movable block 2023; In the present embodiment, the upper end of movable block 2023 is provided with a pair of backguy mounting hole 20231, and an end of a pair of backguy 2004 is fixed in the backguy mounting hole 20231; Reach one and can drive the elastic button 2024 that movable block 2023 moves, elastic button 2024 comprises a button 20240 and a pair of retracing spring 20241.When pressing button 20240, button drives movable block 2023 and moves, thus pulling and a pair of backguy 2004 that is fixed in the backguy mounting hole 20231.When release button 20240, button 20240 resets under the effect of retracing spring 20241, thereby unclamps backguy 2004.
Clip mechanism 2003 comprises the shell 2031 that is fixed on the lower bracket; In the present embodiment, shell 2031 comprises left shell 20310 and right shell body 20311, in shell 2031, be provided with one with backguy 2004 bonded assembly pulling blocks 2032; In the present embodiment; Pulling block upper end is provided with a backguy fixed orifice 20321, in left shell 20310 and right shell body 20311, is provided with one and can limits pulling block and move vertical slot 20312, make pulling block 2032 can only be in vertical slot 20312 upper and lower moving; And be limited in the shell 2031 can only side travel holding piece 2033, in left shell 20310 and right shell body 20311, be provided with one and can limit holding piece 2033 and move transverse groove 20330, make holding piece 2033 can only be in transverse groove 20330 left and right moving; The lower end of described pulling block 2032 is provided with a lower inclined plane 20321; Described holding piece 2033 upper ends are provided with the ramp 20333 that cooperates with lower inclined plane 20321; One end of holding piece 2033 is provided with a retracing spring 20331, and the other end is provided with the bayonet lock 20332 in the clip hole 20120 that can be inserted on the lower bracket 2012.
Also be provided with a spacing hole 20334 on the described holding piece 2033, it is not shown in the figures to be provided with the locating dowel pin that is inserted in the spacing hole 20334 between said left shell 20310 and the right shell body 20311.Limit shaft can limit the left and right swinging distance of holding piece 2033, prevents that the ramp 20333 of holding piece 2033 breaks away from the fitting surface of the lower inclined plane 20321 of pulling block 2032.
When folding, stir control handle 1102, pulling stay cord 1103; Stay cord 1103 drives latches 106 compression springs 107 retractions, center slide bar 8 part 1 that connects to ground is thrown off, to pressing down armrest support 4; Center slide bar 8 slides backward; Stretching gas spring 10 makes and forms negative pressure in the gas spring, when another jack alignment pins 106 of center slide bar 8, spring 107 with latch 106 push jack center slide bar 8 is connected to ground that part 1 blocks can not slide relative.Dismounting front component 9 and wheel assembly 3 packings.
During expansion, stir control handle 1102, pulling stay cord 1103; Stay cord 1103 drives latch 106 compression springs 107 retractions; Connect to ground part 1 of center slide bar 8 is thrown off, owing to form negative pressure in the gas spring 10 when folding, this moment, gas spring shrank 8 relative frame connecting piece 1 slips of drive center slide bar; Automatically launch; When the jack alignment pins 106 of center slide bar 8, spring 107 with latch 106 push jack center slide bar 8 is connected to ground that part 1 blocks can not slide relative, perambulator is fixed as deployed condition.
When the user pressed button 20240, button drove movable block 2023 and moves, thus pulling and a pair of backguy 2004 that is fixed in the backguy mounting hole 20231.The pulling block 2032 of backguy 2004 pulling clip mechanisms 2003 moves up, and pulling block 2032 promotes holding pieces 2033 and moves laterally, the clip that makes the bayonet lock 20332 of holding piece 2033 break away from the clip hole 20120 of lower brackets 2012; Spur upper bracket 2011 this moment, when being transferred to correct position, when release button 20240; Button 20240 resets under the effect of retracing spring 20241; Thereby unclamp backguy 2004, holding piece 2033 resets under the effect of retracing spring 20331 when not receiving the thrust of pulling block 2032; The bayonet lock 20332 of holding piece 2033 is snapped onto in the clip hole 20120 of lower bracket 2012, accomplish clip and fix.After the folding, upper bracket straight section part can be inserted in the lower bracket, reduces the folding volume, does not need the convenient disassembly folding.