Children trolley
Technical field
the utility model relates to a kind of children trolley.
Background technology
children trolley of the prior art; A kind of children trolley, comprise go-cart vehicle frame with expanded position and folding position, be arranged at front component anterior at the bottom of the described go-cart vehicle frame, be arranged at rear portion at the bottom of the described go-cart vehicle frame wheel assembly, described go-cart vehicle frame is locked in vehicle frame lockout mechanism under the expanded position, is arranged at the human body accommodation apparatus on the described go-cart vehicle frame.Existing go-cart vehicle frame of a great variety, the number of the rod member of go-cart vehicle frame is different, and annexation between each rod member, connection location are different, thus folding principle and folding mode have nothing in common with each other.
The utility model content
The technical matters that
the utility model will solve provides a kind of children trolley.
In order to solve the problems of the technologies described above; The 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 component anterior at the bottom of the described go-cart vehicle frame, be arranged at rear portion at the bottom of the described go-cart vehicle frame wheel assembly, described go-cart vehicle frame is locked in vehicle frame lockout mechanism under the expanded position, is arranged at the human body accommodation apparatus on the described go-cart vehicle frame, described go-cart vehicle frame comprises
First support;
Push-rod frame, the bottom of described push-rod frame is connected through first rotating shaft with the top of described first support rotatedly;
Second support, the top of described second support is connected through second rotating shaft with described push-rod frame rotatedly, and described second rotating shaft is positioned at the top of described first rotating shaft;
Seat frame; The front portion of described seat frame is connected through the 3rd rotating shaft with described first support rotatedly; Described the 3rd rotating shaft is positioned at the below of described first rotating shaft, and the rear portion of described seat frame is connected through the 4th rotating shaft with the bottom of described second support rotatedly;
The shock-absorbing connecting rod, an end of described shock-absorbing connecting rod is connected with the bottom of the rear portion of described seat frame or described second support rotatedly;
Underframe; The front portion of described underframe is connected through the 5th rotating shaft with the bottom of described first support rotatedly; Described the 5th rotating shaft is positioned at the below of described the 3rd rotating shaft, and the rear portion of described underframe is connected through the 6th rotating shaft with the other end of described shock-absorbing connecting rod rotatedly
The place that is rotationally connected between the bottom of
end of described shock-absorbing connecting rod and the rear portion of described seat frame or described second support is between the 5th rotating shaft and described the 6th rotating shaft.
in some embodiments, an end of described shock-absorbing connecting rod is connected through the 7th rotating shaft with the bottom of described second support rotatedly, described the 7th rotating shaft is positioned at the below of described the 4th rotating shaft.
In some further embodiment, described the 5th rotating shaft, described the 7th rotating shaft and described the 6th rotating shaft distribute along fore-and-aft direction successively
.
in some embodiments; Described first support, described push-rod frame, described second support and described seat frame constitute four-bar linkage, and described vehicle frame lockout mechanism is arranged at the place that is rotationally connected of any two adjacent connecting rods of described four-bar linkage.
in some embodiments, described human body accommodation apparatus is arranged on the described seat frame.
In some embodiments, the length of described shock-absorbing connecting rod is extended along fore-and-aft direction
.
In some further embodiment, the length of described shock-absorbing connecting rod is tending towards horizontal direction and extends
.
in some embodiments, described front component is arranged at the described first support bottom, perhaps is arranged at the front portion of described underframe.
in some embodiments, described wheel assembly is arranged at the rear portion of described underframe.
in some further embodiment, described wheel assembly comprises the trailing wheel roller bearing, and described trailing wheel roller bearing is positioned at the below of described shock-absorbing connecting rod.
Involved term position such as upper and lower, forward and backward is at the go-cart vehicle frame and defines under the expanded position more than
, and first support is preceding, and push-rod frame is last.
The scope of
the utility model is not limited to the technical scheme that the particular combination 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.The technical characterictic that disclosed (but being not limited to) has a similar functions among for example above-mentioned characteristic and the application is replaced mutually and technical scheme of forming etc.
are because the technique scheme utilization; The utility model compared with prior art has advantage: after the release of vehicle frame lockout mechanism, push-rod frame is overturn to the front lower place, first support falls backward; Second support falls down forward; Thereby push-rod frame, first support, second support are all drawn close with seat frame mutually, and second support makes the shock-absorbing connecting rod rotate with respect to underframe, thereby push-rod frame, first support, second support, seat frame are also drawn close with underframe mutually.
Description of drawings
Accompanying drawing 1 is the expansion front view (omitting the human body accommodation apparatus) of the utility model;
Accompanying drawing 2 is the folding front view (omitting the human body accommodation apparatus) of the utility model;
accompanying drawing 3 is the open cube display (omitting human body accommodation apparatus and wheel assembly) of the utility model.
wherein: 1, go-cart vehicle frame; 2, front component; 3, wheel assembly; 11, first support; 12, push-rod frame; 13, second support; 14, seat frame; 15, shock-absorbing connecting rod; 16, underframe; 21, first rotating shaft; 22, second rotating shaft; 23, the 3rd rotating shaft; 24, the 4th rotating shaft; 25, the 5th rotating shaft; 26, the 6th rotating shaft; 27, the 7th rotating shaft; 31, trailing wheel roller bearing.
The specific embodiment
are shown in each accompanying drawing; A kind of children trolley, comprise go-cart vehicle frame 1 with expanded position and folding position, be arranged at the anterior front component 2 in 1 end of go-cart vehicle frame, be arranged at rear portion, 1 end of go-cart vehicle frame wheel assembly 3, go-cart vehicle frame 1 is locked in vehicle frame lockout mechanism under the expanded position, is arranged at the human body accommodation apparatus on the go-cart vehicle frame 1.Do not have diagram, the human body accommodation apparatus can be the child seat pocket, also can be children's sleeping basket etc., and mounting means also can be to be fixed on the go-cart vehicle frame 1, also can be to be installed on the go-cart vehicle frame 1 with dismantling.
Shown in each accompanying drawing, go-cart vehicle frame 1 comprises
First support 11;
Push-rod frame 12, the bottom of push-rod frame 12 is connected through first rotating shaft 21 with the top of first support 11 rotatedly;
The top of second support, 13, the second supports 13 is connected through second rotating shaft 22 with push-rod frame 12 rotatedly, and second rotating shaft 22 is positioned at the top of first rotating shaft 21;
Seat frame 14, the front portion of seat frame 14 is connected through the 3rd rotating shaft 23 with first support 11 rotatedly, and the 3rd rotating shaft 23 is positioned at the below of first rotating shaft 21, and the rear portion of seat frame 14 is connected through the 4th rotating shaft 24 with the bottom of second support 13 rotatedly;
Shock-absorbing connecting rod 15; One end of shock-absorbing connecting rod 15 is connected with the bottom of the rear portion of seat frame 14 or second support 13 rotatedly, as, can be to have two rotating shafts between shock-absorbing connecting rod 15, seat frame 14 threes; Also can a shared rotating shaft connect rotatedly; In the present embodiment be, an end of shock-absorbing connecting rod 15 is connected through the 7th rotating shaft 27 with the bottom of second support 13 rotatedly, and the 7th rotating shaft 27 is positioned at the below of the 4th rotating shaft 24;
Underframe 16, the front portion of underframe 16 is connected through the 5th rotating shaft 25 with the bottom of first support 11 rotatedly, and the 5th rotating shaft 25 is positioned at the below of the 3rd rotating shaft 23, and the rear portion of underframe 16 is connected through the 6th rotating shaft 26 with the other end of shock-absorbing connecting rod 15 rotatedly,
The place that is rotationally connected between the bottom of
end of shock-absorbing connecting rod 15 and the rear portion of seat frame 14 or second support 13 is between the 5th rotating shaft 25 and the 6th rotating shaft 26.
first support 11, push-rod frame 12, second support 13 constitute four-bar linkages with seat frame 14, and the vehicle frame lockout mechanism is arranged at the place that is rotationally connected of any two adjacent connecting rods of four-bar linkage.As can be to be arranged between the push-rod frame 12 and first support 11.Concrete structure about the vehicle frame lockout mechanism is not the invention emphasis of the utility model; So long as can the structure of rotating between two parts in relative rotation can be used at this; As a bullet pin is set on push-rod frame 12; And on first support 11, offer the bullet pin-and-hole, this bullet pin departs from first rotating shaft 21 with the bullet pin-and-hole.
human body accommodation apparatus is arranged on the seat frame 14.
are under the latched position when the vehicle frame lockout mechanism, and promptly go-cart vehicle frame 1 stably is under the expanded position, constitute an integral body of rigidity between first support 11, push-rod frame 12, seat frame 14 and second support 13 4.The 5th rotating shaft 25, the 7th rotating shaft 27 and the 6th rotating shaft 26 distribute along fore-and-aft direction successively.The length of shock-absorbing connecting rod 15 is extended along fore-and-aft direction.The length of shock-absorbing connecting rod 15 is tending towards horizontal direction and extends.Wheel assembly 3 is arranged at the rear portion of underframe 16.Wheel assembly 3 comprises trailing wheel roller bearing 31, and trailing wheel roller bearing 31 is positioned at the below of shock-absorbing connecting rod 15.When children's go-cart row when jolting the road surface, shock-absorbing connecting rod 15 can swing up and down around the 6th rotating shaft 26, thereby plays shock-proof effect.
front component 2 is arranged at first support, 11 bottoms, perhaps also can be arranged at the front portion of underframe 16.
the foregoing description is only for explaining the technical conceive and the characteristics of the utility model; Its purpose is to let the personage who is familiar with this technology can understand content of the utility model and enforcement according to this, can not limit the protection domain of the utility model with this.All equivalences of being done according to the utility model spirit change or modify, and all should be encompassed within the protection domain of the utility model.