Children trolley
Technical field
The utility model relates to a kind of children trolley.
Background technology
A kind of children trolley of the prior art, comprise go-cart vehicle frame, the wheel assembly that is arranged at described go-cart vehicle frame bottom, be arranged at seat mechanism on the described go-cart vehicle frame, be used for described go-cart vehicle frame is locked in lockout mechanism under the expanded position with expanded position and folding position, existing go-cart vehicle frame of a great variety, the number difference of the rod member of go-cart vehicle frame, connection location difference between each rod member, thus folding principle and folding mode have nothing in common with each other.
The utility model content
The technical problems to be solved in the utility model provides a kind of children trolley.
In order to solve the problems of the technologies described above, a kind of technical scheme that the utility model adopts is: a kind of children trolley, comprise go-cart vehicle frame with expanded position and folding position, be arranged at front portion at the bottom of the described go-cart vehicle frame front component, be arranged at rear portion at the bottom of the described go-cart vehicle frame wheel assembly, be arranged at seat mechanism on the described go-cart vehicle frame, be used for described go-cart vehicle frame is locked in lockout mechanism under the expanded position, described go-cart vehicle frame comprises
Underframe, the length direction of described underframe extends along fore-and-aft direction;
Front frame, the bottom of described front frame is connected by first rotating shaft rotatedly with the leading section of described underframe;
Seat frame, the length of described seat frame is extended along fore-and-aft direction, and the leading section of described seat frame is connected by second rotating shaft rotatedly with described front frame;
Push-rod frame, the upper end of described front frame is connected by the 3rd rotating shaft rotatedly with described push-rod frame;
Sliding part, its length direction of the described seat frame upper edge described sliding part that has been slidingly connected, the bottom of described push-rod frame is connected by the 4th rotating shaft rotatedly with described sliding part;
Connecting rod, the upper end of described connecting rod is connected by the 5th rotating shaft rotatedly with described sliding part, and the bottom of described connecting rod is connected by the 6th rotating shaft rotatedly with the rear portion of described underframe.
In some embodiments, described the 4th rotating shaft is positioned at the top of described the 5th rotating shaft.
In some embodiments, described lockout mechanism is arranged between described sliding part and the described seat frame.
In some embodiments, described push-rod frame comprises the handle extension that push-rod frame body, length direction extend along fore-and-aft direction and rearward end and described push-rod frame body are fixedly connected, and the leading section of described handle extension is connected by described second rotating shaft rotatedly with the upper end of described front frame.
In some embodiments, described go-cart vehicle frame comprises side stand in the both sides of go-cart vehicle frame, is connected in the link span between every side side stand, and the described side stand of every side all comprises described underframe, described front frame, described seat frame, described push-rod frame, described sliding part, described connecting rod.
In some further embodiment, described link span is the many cross bars that are connected between the described side stand in both sides.
In some embodiments, described front component is arranged at the leading section of described underframe.
In some embodiments, described wheel assembly is arranged at the rearward end of described underframe.
More than related to the noun of locality such as upper and lower, forward and backward be at the go-cart vehicle frame and define under the expanded position, and before the position at front component place is, after the position at wheel assembly place is.
Scope of the present utility model is not limited to the technical scheme that the particular combinations of above-mentioned technical characterictic forms, and also should contain simultaneously by above-mentioned technical characterictic or its equivalent feature to carry out combination in any and other technical scheme of forming.Disclosed technical scheme that forms but technical characterictic that be not limited to have similar functions is replaced mutually etc. among for example above-mentioned feature and the application.
Because technique scheme utilization, the utility model compared with prior art has following advantage: after the lockout mechanism release, with push-rod frame overturning forward, the relative seat frame of sliding part slides, sliding part and seat frame constitute expansion bracket, the 4th rotating shaft and the 5th rotating shaft respectively with second rotating shaft away from, simultaneously, front frame and seat frame can rotate around second rotating shaft, front frame, underframe, connecting rod and expansion bracket constitute the four-bar linkage deform in same pace, front frame is drawn close mutually with underframe, and push-rod frame is drawn close mutually with front frame, and car load is folding.
Description of drawings
Accompanying drawing 1 is the block diagram of go-cart vehicle frame (the go-cart vehicle frame is under the expanded position);
Accompanying drawing 2 is the block diagram of go-cart vehicle frame (the go-cart vehicle frame is in the switching process of expanded position and folding position);
Accompanying drawing 3 is the block diagram of go-cart vehicle frame (the go-cart vehicle frame is under the folding position);
Accompanying drawing 4 is the connection structure scheme drawing of go-cart vehicle frame (the go-cart vehicle frame is under the expanded position).
Wherein: 1, go-cart vehicle frame; 2, front component; 3, wheel assembly; 4, underframe; 5, front frame; 6, seat frame; 7, push-rod frame body; 8, sliding part; 9, connecting rod; 10, handle extension; 11, first rotating shaft; 12, second rotating shaft; 13, the 3rd rotating shaft; 14, the 4th rotating shaft; 15, the 5th rotating shaft; 16, the 6th rotating shaft; 17, push-rod frame.
The specific embodiment
A kind of children trolley comprises go-cart vehicle frame 1, the front component 2 that is arranged at front portion, 1 end of go-cart vehicle frame, the wheel assembly 3 that is arranged at rear portion, 1 end of go-cart vehicle frame with expanded position and folding position, is arranged at seat mechanism on the go-cart vehicle frame 1, is used for go-cart vehicle frame 1 is locked in lockout mechanism under the expanded position.Go-cart vehicle frame 1 comprises at the side stand of the both sides of go-cart vehicle frame 1, is connected in the link span between every side side stand.In the present embodiment, link span is the many cross bars that are connected between the side stand of both sides.
The side stand of every side comprises
Underframe 4, the length direction of underframe 4 extends along fore-and-aft direction;
Front frame 5, the bottom of front frame 5 is connected by first rotating shaft 11 rotatedly with the leading section of underframe 4;
Seat frame 6, the length of seat frame 6 is extended along fore-and-aft direction, and the leading section of seat frame 6 is connected by second rotating shaft 12 rotatedly with front frame 5;
Push-rod frame 17, the upper end of front frame 5 is connected by the 3rd rotating shaft 13 rotatedly with push-rod frame 17;
Sliding part 8, its length direction of the seat frame 6 upper edges sliding part 8 that has been slidingly connected, the bottom of push-rod frame 17 is connected by the 4th rotating shaft 14 rotatedly with sliding part 8;
Connecting rod 9, the upper end of connecting rod 9 is connected by the 5th rotating shaft 15 rotatedly with sliding part 8, and the bottom of connecting rod 9 is connected by the 6th rotating shaft 16 rotatedly with the rear portion of underframe 4.
The 4th rotating shaft 14 is positioned at the top of the 5th rotating shaft 15.
Lockout mechanism is arranged between sliding part 8 and the seat frame 6.The concrete structure of lockout mechanism is not limit, as long as the structure that locks between can the parts with two slide relative can both be suitable for, as have lockhole on seat frame 6, sliding part 8 is provided with the bullet pin, and during locking, the bullet pin is inserted in the lockhole.
Constitute expansion bracket between seat frame 6 and the sliding part 8,, constitute stable triangle mechanism between front frame 5, expansion bracket and the push-rod frame 17 when lockout mechanism is under the latched position.
Push-rod frame 17 comprises the handle extension 10 that push-rod frame body 7, length direction extend along fore-and-aft direction and rearward end and push-rod frame body 7 are fixedly connected, and the leading section of handle extension 10 is connected by second rotating shaft 12 rotatedly with the upper end of front frame 5.
Front component 2 is arranged at the leading section of underframe 4.Front component 2 also can be arranged on the bottom of front frame 5, but go-cart vehicle frame 1 is under the folding position, and front component 2 can be stretched.
Wheel assembly 3 is arranged at the rearward end of underframe 4.
As mentioned above, we are illustrated according to aim of the present utility model fully, but the utility model is not limited to the foregoing description and implementation method.The practitioner of correlative technology field can carry out different variations and enforcement in the scope of technological thought permission of the present utility model.