Perambulator
Technical field
The present invention relates to a kind of perambulator.
Background technology
In the prior art, perambulator comprises the side stand of the left and right sides, be used to connect the horizontal pipe link of described side stand, be arranged at described about seat between two side stands, be arranged at the front-wheel of described side stand front lower place, be arranged at the trailing wheel of the back lower place of described side stand, described side stand comprises foreleg, back leg, basket rod, the pushing hands bar, the bottom of its pushing hands bar and the upper end of foreleg are rotatably connected, the upper end of back leg and pushing hands bar are rotatably connected, the leading section of basket rod is connected with foreleg, the rearward end of basket rod is connected with back leg, be provided with lockout mechanism between the rear portion of the anterior foreleg of pushing hands bar, after release, described side stand can fold and be the state that foreleg lands, it is folding inconvenient, and can't carry out laterally foldedly, cause the volume after folding big.
Summary of the invention
The object of the present invention is to provide a kind of can fore-and-aft direction and the folding perambulator of left and right directions.
Technical scheme of the present invention is: a kind of perambulator, the side stand that comprises the left and right sides, be used to connect the rod member of described side stand, be arranged at described about seat between two side stands, be arranged at the front-wheel of described side stand front lower place, be arranged at the trailing wheel of the back lower place of described side stand, described side stand comprises foreleg at least, back leg, basket rod, the pushing hands bar, described basket rod is made up of preceding basket rod and back basket rod, the front portion and the described foreleg of basket rod are rotatably connected before described, described back basket rod and described back leg are rotatably connected, and the leading section of the rearward end of described preceding basket rod and described back basket rod is rotatably connected between foreleg and back leg; The upper end of the leading section of grab rail and the upper end of described foreleg or back leg is rotatably connected, the rearward end of described grab rail and described pushing hands bar are rotatably connected, described pushing hands bar extends to form pushing hands bar extension to the below with the portion that is rotatably connected of grab rail, the upper end of boxed rod and described pushing hands bar extension are rotatably connected, the bottom of boxed rod and described back leg are rotatably connected, the upper end of lower link and described boxed rod are rotatably connected, and the bottom of described lower link and described basket rod are rotatably connected; An end of hoop connecting rod before being rotatably connected on the basket rod before described, the other end of this preceding hoop connecting rod is rotatably connected with the foreleg sliding sleeve that is arranged on the foreleg slidably; An end of hoop connecting rod after being rotatably connected on the basket rod of described back, the other end of this back hoop connecting rod is rotatably connected with the back leg sliding sleeve that is arranged on the back leg slidably; Be provided with two groups of X-shaped struts between two forelegs, every group of X-shaped strut is hinged at infall, the inner top side portion of these two groups of X-shaped struts is rotatably connected, the inside lower end portion of these two groups of X-shaped struts is rotatably connected, the outer upper end portion of these two groups of X-shaped struts is rotatably connected with the foreleg of respective side respectively, and the bottom, the outside of these two groups of X-shaped struts is rotatably connected with the foreleg sliding sleeve of respective side respectively; Be provided with two groups of X-shaped struts between two back legs, every group of X-shaped strut is hinged at infall, the inner top side portion of these two groups of X-shaped struts is rotatably connected, the inside lower end portion of these two groups of X-shaped struts is rotatably connected, the outer upper end portion of these two groups of X-shaped struts is rotatably connected with the back leg of respective side respectively, and the bottom, the outside of these two groups of X-shaped struts is rotatably connected with the back leg sliding sleeve of respective side respectively.
The present invention compared with prior art has following advantage:
When car body folds, be subjected to the action of gravity of rear portion rod members such as pushing hands bar, whole locomotive body can just change from the trend folded state after applying very little power, front-wheel and trailing wheel roll when folding, laborsaving when therefore folding, car body after folding can be upright, in folding process, before basket rod and back basket rod can drive respectively before hoop connecting rod and back hoop connecting rod, control between the foreleg two groups of X-shaped struts and two groups of X-shaped struts between the back leg, make that whole locomotive body simultaneously can be laterally folded, further reduced volume.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples:
Accompanying drawing 1 is the structural representation of the side stand of the present invention under open mode;
Accompanying drawing 2 is the structural representation of the side stand of the present invention under semi-collapsed condition;
Accompanying drawing 3 is the structural representation of the side stand of the present invention under full folded state;
Accompanying drawing 4 be the B of accompanying drawing 1 to view, the A of accompanying drawing 1 is identical with accompanying drawing 4 to the structure shown in the view, only the label difference;
Accompanying drawing 5 is that the D of accompanying drawing 2 is to view;
Accompanying drawing 6 is that the C of accompanying drawing 3 is to view; Wherein:
1, foreleg; 2, foreleg sliding sleeve; 3, rod member; 4, preceding basket rod; 5, back leg; 7, grab rail; 8, pushing hands bar; 9, boxed rod; 10, lower link; 11, rod member; 12, back hoop connecting rod; 13, back leg sliding sleeve; 14, trailing wheel; 15, back basket rod; 16, preceding hoop connecting rod; 17, front-wheel; 18, rod member; 19, pushing hands bar extension;
The specific embodiment
Referring to accompanying drawing 1 to accompanying drawing 3, a kind of perambulator, the side stand that comprises the left and right sides, be used to connect the rod member of described side stand, be arranged at described about seat between two side stands, be arranged at the front-wheel 17 of described side stand front lower place, be arranged at the trailing wheel 14 of the back lower place of described side stand, described side stand comprises foreleg 1 at least, back leg 5, basket rod, pushing hands bar 8, described basket rod is made up of preceding basket rod 4 and back basket rod 15, the front portion and the described foreleg 1 of basket rod 4 are rotatably connected before described, described back basket rod 15 is rotatably connected with described back leg 5, and the leading section of the rearward end of described preceding basket rod 4 and described back basket rod 15 is rotatably connected between foreleg 1 and back leg 5; The upper end of the upper end of the leading section of grab rail 7 and described foreleg 1 or back leg 5 is rotatably connected, the rearward end of described grab rail 7 and described pushing hands bar 8 are rotatably connected, described pushing hands bar 8 extends to form pushing hands bar extension 19 to the below with the portion that is rotatably connected of grab rail 7, the upper end of boxed rod 9 and described pushing hands bar extension 19 are rotatably connected, the bottom of boxed rod 9 and described back leg 5 are rotatably connected, the upper end of lower link 10 and described boxed rod 9 are rotatably connected, and the bottom of described lower link 10 and described basket rod are rotatably connected; An end of hoop connecting rod 16 before being rotatably connected on the basket rod 4 before described, the other end of this preceding hoop connecting rod 16 is rotatably connected with the foreleg sliding sleeve 2 that is arranged on the foreleg 1 slidably; An end of hoop connecting rod 12 after being rotatably connected on the basket rod 15 of described back, the other end of this back hoop connecting rod 12 is rotatably connected with the back leg sliding sleeve 13 that is arranged on the back leg 5 slidably; Be provided with two groups of X-shaped struts between two forelegs 1, every group of X-shaped strut is X-shaped and intersects and be hinged at infall, the inner top side portion of these two groups of X-shaped struts is rotatably connected, the inside lower end portion of these two groups of X-shaped struts is rotatably connected, the outer upper end portion of these two groups of X-shaped struts is rotatably connected with the foreleg 1 of respective side respectively, and the bottom, the outside of these two groups of X-shaped struts is rotatably connected with the foreleg sliding sleeve 2 of respective side respectively; Be provided with two groups of X-shaped struts between two back legs 5, every group of X-shaped strut is X-shaped and intersects and be hinged at infall, the inner top side portion of these two groups of X-shaped struts is rotatably connected, the inside lower end portion of these two groups of X-shaped struts is rotatably connected, the outer upper end portion of these two groups of X-shaped struts is rotatably connected with the back leg 5 of respective side respectively, and the bottom, the outside of these two groups of X-shaped struts is rotatably connected with the back leg sliding sleeve 13 of respective side respectively.
Be provided with blocking device between described pushing hands bar extension 19 and the described lower link 10, be used under lock-out state, make perambulator be in stable open mode, and after the release, perambulator is in folded state.