A kind of parent-offspring's bicycleTechnical field
The present invention designs the bicycle field, particularly relates to parent-offspring's bicycle that a kind of pair of vehicle seat four ridden.
Background technology
At present, the head of a family and child carry out parent-offspring's motion together and have become a kind of fashion, and parent-offspring's bicycle becomes the important content that people carry out this motion; But at present existingly supply two bicycles of pulling together of riding generally all to adopt the lengthening vehicle body, front and back are provided with two vehicle seats and two respectively and overlap parallel pedal system, and former and later two vehicle seats are identical with separately pedal system spacing; For the shorter children of height, be sitting on the vehicle seat, its foot reaches stretcher; Thereby can't realize that children and adult pull together to move with riding a car; This Tandem Bicycle only is fit to two adults motion of pulling together, and bumps when preventing two individual sports during design, has certain distance between two vehicle seats; Two people that are sitting on the Tandem Bicycle do not contact each other; If children that height is not enough and adult are with riding, health does not contact with the adult, and safety can not get ensureing.Therefore, design and a kind ofly can satisfy children and the adult moves together, and the parent-offspring that can the ensure child safety bicycle of pulling together becomes people and carries out a movable demand of parent-offspring.
Summary of the invention
The objective of the invention is to, provide a kind of safe and reliable, can satisfy pull together together parent-offspring's bicycle of moving of children and adult.
For realizing the foregoing invention purpose; Technical scheme provided by the present invention is: a kind of parent-offspring's bicycle; Comprise big vehicle seat and little vehicle seat, said big vehicle seat is installed in the upper end of standpipe through seat pipe and saddle tube bundle, and said little vehicle seat is installed in the middle part of standpipe through seat pipe and saddle tube bundle.
Further, also comprise through first pair of a cover crank bonded assembly foot-operated with second pair foot-operated, said crank one end is connected with axis, the other end connect first pair foot-operated, the middle part connect second pair foot-operated, first pair foot-operated be positioned at second pair ride outside.
Further, said second pair of foot position can carry out up-down adjustment.
Further, also comprise first pair of handle and second pair of handle, said first pair of handle is installed in horizontal two ends, and the variable speed control bar is installed, and said second pair of handle is installed in place, horizontal nearly two ends.
Further, left and right adjusting can be carried out in said second pair of handle position.
Further, also comprise headlight, said headlight is installed in horizontal middle part, and is solar cell for supplying power.
Further, on upright, bicycle basket is installed also.
Adopt technique scheme, the beneficial effect that the present invention can realize has:
1. parent-offspring's bicycle provided by the present invention, child's vehicle seat are arranged on the position under adult's vehicle seat front, and child is sitting in the place ahead of adult, have guaranteed child's safety.
2. parent-offspring's bicycle provided by the present invention, the shared cover crank of adult and child is arranged to riding in the foot-operated outside of child of adult, and certain dislocation is arranged, and runs foul of each other when avoiding by bike, and the foot-operated crank middle part that is installed in of child, is more suitable for child's height.
On horizontal for child is provided with handle, when making by bike, child's hand has the place of laying, and guarantees child's balance, avoids taking place danger such as child's forward lean, child's safety when having guaranteed motion further.
Description of drawings
Fig. 1 is parent-offspring's bicycle structure scheme drawing provided by the present invention;
Fig. 2 is of the present invention transverse part bit architecture scheme drawing;
Fig. 3 is foot-operated a kind of structural representation of the present invention;
Fig. 4 is a foot-operated another kind of structural representation of the present invention.
Wherein: 1 standpipe, 11 big vehicle seats, 12 little vehicle seats, 13 pipes, 14 saddle tube bundles, 2 axis, 21 first pairs are foot-operated, and 22 second pairs are foot-operated, 23 cranks, 3 horizontal, 31 first pairs of handles, 32 second pairs of handles, 33 variable speed control bars, 34 headlights, 4 upright, 41 bicycle baskets.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention further is discussed in more detail.
The invention provides a kind of parent-offspring's bicycle, comprise big vehicle seat and little vehicle seat, said big vehicle seat is installed in the upper end of standpipe through seat pipe and saddle tube bundle, and said little vehicle seat is installed in the middle part of standpipe through seat pipe and saddle tube bundle; Also comprise through first pair of a cover crank bonded assembly foot-operated with second pair foot-operated, said crank one end is connected with axis, the other end connect first pair foot-operated, the middle part connect second pair foot-operated, first pair foot-operated be positioned at second pair ride outside; Also comprise first pair of handle and second pair of handle, said first pair of handle is installed in horizontal two ends, and the variable speed control bar is installed, and said second pair of handle is installed in place, horizontal nearly two ends, and left and right adjusting can be carried out in the position.
Fig. 1 is the structural representation of parent-offspring's bicycle provided by the present invention; As shown in Figure 1; The big vehicle seat 11 that supplies adult's saddle horse is installed in end at parent-offspring's bicycle profile tube 1; Through height and the pitching degree of seat pipe 13 with the big vehicle seat 11 of saddle tube bundle 14 adjustings, at the middle part of standpipe 1 the dolly seat 12 that supplies child's saddle horse is installed, regulate the height and the pitching degree of dolly seat 12 through seat pipe 13 and saddle tube bundle 14; On parent-offspring's bicycle, install first pair withaxis 2 bondedassembly cranks 23 other ends and ride 21, supply the adult to use; Install second pair atcrank 23 middle parts and ride 22, supply child to use, the foot-operated position of this second couple can be along crank adjustment height; The leg that satisfies child is long, and crank can be arranged to " S " type or other shapes, makes first pair foot-operated 21 at second pair and rides 22 the outside; Keep certain dislocation, bump when avoiding adult and child to trample or disturb; First pair ofhandle 31 is installed to horizontal 3 two ends at parent-offspring's bicycle; Said first pair ofhandle 31 1 side are equipped with variablespeed control bar 33, in parent-offspring's motion, control the speed of a motor vehicle by the adult; Guarantee the safety of motion; Second pair ofhandle 32 is installed to horizontal 3 close ends, the position of said second pair ofhandle 32 can be adjusted according to child's demand, and the distance about making between two handles meets the spacing of child's two arms; Headlight can also be installed to horizontal 3 middle parts, the battery of headlight adopts solar cell, and in the time of energy-conserving and environment-protective, the headlight of avoiding battery electric quantity to use up causing does not work; On upright, bicycle basket 41 being installed, place some sporting goodss.
Fig. 2 be one embodiment of the invention transverse part bit architecture scheme drawing, as shown in Figure 2, first pair ofhandle 31 that the adult uses is installed in horizontal 3 two ends; Its spacing and identical the getting final product of single bicycle commonly used; Variablespeed control bar 33 installation sites are also with single bicycle commonly used, and second pair ofhandle 32 that child uses is installed in first pair ofhandle 31 inboard, during motion; Child's the left and right arm that the adult is all arranged; To the child safety sense, increase the intimate sense between adult and the child, guarantee child's safety simultaneously.
Fig. 3 is foot-operated a kind of structural representation of the present invention, and is as shown in Figure 3, the special crank shape of foot-operated employing of the present invention; It is long to satisfy adult's leg; The short different demands of child's shank to foot-operated height, during motion, adult's leg is just in time at child's leg outer side; When causing danger, also can better guarantee child's safety.
Fig. 4 is the scheme drawing of foot-operated another kind of structure of the present invention; As shown in Figure 4, to install first pair in the end ofcrank 23 and ride 21, medium position is installed second pair foot-operated 22; This structure; The second couple that child uses foot-operated 22 can adjust height alongcrank 21, and because the first couple of adult rides in second pair of foot-operated 22 outside, runs foul of each other in the time of can avoiding adult and child to trample parent-offspring's bicycle.
Parent-offspring's bicycle provided by the present invention, to drive be that its crank can also be arranged to other shapes, makes parent-offspring's bicycle more attractive in appearance on adult and the child basis that can not run foul of each other satisfying.
Parent-offspring's bicycle provided by the present invention, the vehicle seat height that adult and child drive is all adjustable, and child uses holds width-adjustable; Foot-operated adjustable height; Satisfy the short and small characteristics of child's health to greatest extent, and use parent-offspring's bicycle provided by the present invention to carry out parent-offspring's motion, adult's health parcel child's health; More can in parent-offspring's activity, increase the emotion between adult and the child, ensure child's safety.
The above embodiment has only expressed embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the present invention's design, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with accompanying claims.