Bidirectional collapsible cart

Bidirectional folded bicycle

technical field

The invention relates to a child cart, especially children cart with bidirectional foldable. The bidirectional folded bicycle the background technology existing technology, comprising a between the cart frame of the opening and folding the conversion; The cart frame the front part and two ends of the first front wheel component and second front wheel component is respectively, wherein the; A cart frame is respectively; the lower part of right end of the first rear wheel component and second rear wheel component. The stroller frame is of the is rotatably connected with the first back wheel bracket; the end with the pushrod second lower part to the rotatable connected with the pushrod the first lower part of the pushrod first and second the pushrod second back wheel bracket; the end; the end with a second the pushrod second front wheel bracket and is of the is rotationally connected and transverse frame and two root members to the first back wheel bracket for and second back wheel bracket of a foldable is the crossed with the pushrod the first front wheel bracket of the is rotationally connected with theSleeve; the infall rotatably connected with the rear cross supporting, which can be rotatably provided with a first back wheel bracket first connecting rod (according to be is rotatably provided on the first front wheel bracket is connected with the second back wheel bracket second connecting rods and two members of in the cross of the second front wheel bracket and sleeve and rotationally connected with the bottom end of the support frame of the infall, the rear cross support is erected is located on the first back wheel bracket and between the second back wheel bracket, the pushrods first and second pushrods, the bottom cross support is erected is located onThe first front wheel bracket and second front wheel bracket and back wheel bracket and between the second back wheel bracket. Stroller frame bracket is multiple; the cost is high. The present invention meshes of supply a bidirectional folded bicycle, wherein a connecting frame structure is simple, the cost is a. The technical solution according the invention uses is: A bidirectional folded bicycle, comprising with the folding and said cart frame; the bidirectional folding bicycle cart frame comprises a bamboo seat mat front wheel bracket; the lower part of the front wheel bracket is provided with a first front wheel component; The lower part of the second front wheel bracket and front wheel bracket, wherein with a second front wheel component; when the cart frame of the opening from phase transition to folding state, the first front wheel bracket is connected to the opposite ladder folding frame and second front wheel bracket is; The first pushrod's lower part of a bamboo seat mat pushrod, wherein along with the front wheel bracket parts of said connected; The second pushrod's lower part of the second pushrod, wherein the rotary connection with a second front wheel bracket upper part of the

, A first pushrod's parts of the rotary with pushrod second parts of the two; when the cart frame of the opening from phase transition to folding state, the first pushrod is connected to the opposite ladder and with a bamboo seat mat two pushrods of the; The back wheel bracket of rear wheel bracket, is crossed and rotationally connected to the infall through a first shaft of the first back wheel bracket and second back wheel bracket; the lower part of bamboo seat mat back wheel bracket is provided with a second rear wheel component; the lower part of the second back wheel bracket is provided with a first rear wheel component; the first back wheel bracket upper end of the rotary with the pushrod first lower end of the through a first rotational joint connected; the first pushrod of the first rotational joint of the internal and a bamboo seat mat back wheel bracket is provided with andAnd lower ends at least rotatable the two intersections plane direction, the second back wheel bracket upper end of the rotary with the second pushrod is through the second rotational joint connected, the second rotational joint of and the second back wheel bracket is provided at least one is provided with two intersections plane direction to rotate with the pushrod second lower ends of the; The second back wheel bracket of the connection base is connected, and further connected with a bamboo seat mat back wheel bracket is connected with the first shaft of said to rotate connected; The first chassis rear end of the first vehicle body, wherein along with the connection base is connected; the first chassis front end of the rotary with the first front wheel bracket is through the third rotational joint connected, the third rotational joint of and the first front wheel bracket lower end of said at least to be the two intersections plane direction to rotate with the first chassis front end of the; The second chassis rear end of the second body, wherein along with the connection base is connected, the second chassis front end of with the second front wheel bracket is rotatably connected with the fourth rotation shaft is connected, the fourth rotational joint according confuses and second front wheel bracket lower end of said at least to be the two intersections plane direction to rotate with the second chassis front end of the; A first connection rod end of the first connecting rod, wherein through a second shaft the supporting connected with the first front wheel bracket lower end of the; A second connecting rod end of the second connection rod, wherein through the three shaft the supporting connected with the second front wheel bracket lower end of the; Other end of the second connection rod matched two ends of the connecting rod, and are connected with the other end of the first connecting rod, is connected with the fourth shaft and forth of the support is connected; The fixing device for fixing device, wherein enables the connecting frame connected with a on ground of and the dynamic, everything can stop the pushing the cart frame of emitting sleeve locking mechanism can use. The folding, the first fixing device of, the pushrod first and a second pushrod's is provided with an inverted, the first pushrod's lower end and bamboo seat mat two pushrods' lower end connected with the first back wheel bracket upper part and second back wheel bracket is provided with uppering shifting, a first component back wheel bracket of which is a second back wheel bracket part, and first body (with the second body are connected, the first body is sealed with the second body and closed and the second front wheel bracket and first front wheel bracket, the first front wheel bracket and second front wheel bracketFolding frame; and first connecting rod folding with the second front wheel bracket and second connection rod are opposite first front wheel bracket, and used for connecting to projecting from. The first pushrod's is provided with a rotatable connected with the pushrod pushrod of a nose, the other end are on the pushrod second upper end of the connected. The stroller frame and is formed at the lower part of; the fifth shaft of the second shaft; the three shaft and fourth shaft and is vertical to the plane of the first front wheel bracket, the first connecting rod, a connecting rod, the second connecting rod and second front wheel bracket comprises. The connecting seat is provided with a first and second limit, the cart frame and is formed at the lower state, the first body is opposite to the first of with the second body is opposite to the second limit of the. The first back wheel bracket is provided with a locking mechanism and second back wheel bracket is. The invention and existing technology boss, and following PDC: The first back wheel bracket of the without to need of the rail frame and second back wheel bracket is of the cart frame is further omitted the cross support and lower cross support frame, so the cart frame longitudinal and then, reduce the cost, wherein the fold; the connection of the first front wheel component and second front wheel component and is further well-grounded, so the cart frame folded, which can support, between brief description for drawings joint section is connected with the block set of the invention; The joint type 2 of the folding front of the invention; The joint type 3 of the folding block set of the invention. and: connected and cart frame; 2nd, Wherein the first front wheel component; 3rd, Bamboo seat mat two front wheel component; 4th, Wherein the first rear wheel component; 5th, The second rear wheel component; 6th, Wherein the first front wheel bracket; 7th, The second front wheel bracket; 8th, Wherein the first back wheel bracket; 9th, The second back wheel bracket; 10th, Wherein the first chassis; 11th, The second body; 12th, The first pushrod; 13th, The second pushrod; 14th, The first rotational joint; 15th, The second rotational joint; 16th, The second shaft; 17th; Three shaft; 18th, Pushrod; 19th, The first connecting rod; 20th, Second connection rod; 21st, A connecting rod; 23rd, A connection base; 24th, A rear wheel bracket; 25th, The first shaft; 26th, The fourth shaft; 27th; The fifth shaft; 29th, The first; 30th, The second limit.

detailed description of illustrated embodiments

See further joint figures, a bidirectional folding bicycle, comprising a between a connecting frame connected with the opening and folding the conversion; The stroller frame (1) on the backside of for elevator cover is provided with a display of the accessory figures, and stroller frame (1) is front part and two ends of the first front wheel component is respectively, wherein said 2 and second front wheel component (3); The stroller frame (1) and right end of the first rear wheel component is respectively, wherein said 4 and second rear wheel component 5. The stroller frame (1) comprises a bamboo seat mat front wheel bracket 6, wherein the first front wheel component is 2 of the first front wheel bracket 6 lower part of the; When the cart frame of the second front wheel bracket, 7 and 1 of opening phase transition to folding state, the first front wheel bracket is 6 to 7 to the opposite ladder folding frame and second front wheel bracket is of the second front wheel component is 3 of the second front wheel bracket 7 lower part of the; Bamboo seat mat pushrod 12 lower part of the pushrod first 12, wherein a rotatable first front wheel bracket (6) is connected; The pushrod second 13 lower part of the pushrod second 13, wherein rotate with a second front wheel bracket (7) is connected, and joint figures are of the pushrod first 12) is connected with a rotatable connected with the pushrod 18 a nose, the pushrod is rotatably mounted on the pushrod second 13) and (18 other end connected; when the cart frame is 1 of opening phase transition to folding state, the second pushrod of the first pushrod is 12 and 13 and closed to the opposite; ladderBack wheel bracket (24), and joint figures wall, a back wheel bracket is 24 and 8 and second back wheel bracket (9) and 25 and rotationally connected to the infall through a first shaft of the first back wheel bracket, the first back wheel bracket (8) is connected with the rotary 14) and pushrod first 12 lower ends of the through a first rotational joint connected; the first rotational joint is 14 and first back wheel bracket (8) is connected at least one is provided with two intersections plane direction to rotate with the pushrod first 12 lower ends of theThe second back wheel bracket (9) on end is 15 to 13 rotate with the second pushrod is through the second rotational joint connected; the bamboo seat mat two rotating joints is 15 and second back wheel bracket (9) is connected at least one is provided with two intersections plane direction to rotate with a bamboo seat mat two pushrod 13 lower end of said of the first rear wheel component is 4 of the second back wheel bracket 9 lower part of by the second rear wheel component is 5 of the first back wheel bracket 8 lower part of the; The second back wheel bracket of the connection base is connected seat, 23 and 23 further 25) and first back wheel bracket of 8, wherein a first shaft (9) is rotationally connected;

The first chassis 10 rear end of the first chassis 10, wherein 23 rotate with a connection seat is connected with the rotating shaft connected; the first chassis 10 front end of said 6 rotate with the first front wheel bracket is through the third rotational joint connected, the third rotational joint of and the first front wheel bracket 6 lower end of said at least to be the two intersections plane direction to rotate with the first chassis 10 front end of the; The second chassis 11 rear end of the second chassis 11, wherein 23 rotate with a connection seat is connected with the rotating shaft connected, the second chassis 11 front end of with the second front wheel bracket (7) rotatably by the fourth rotation shaft is connected, the fourth rotational joint of and the second front wheel bracket 7 lower end of said at least to be the two intersections plane direction to rotate with the second chassis 11 front end of the; The first connecting rod 19 end of the first connecting rod 19, wherein through a second shaft 16 the supporting connected with the first front wheel bracket 6 lower ends of the; A second connection rod 20 end of the second connection rod 20, wherein through the three shaft 17 the supporting connected with the second front wheel bracket 7 lower ends of the; The second connection rod 2 to 0 other end of the connection 21 two ends of the connecting 21, wherein 26 and forth shaft (27) and first connecting rod 19 other end of the is connected with the fourth shaft the support is connected; The fixing device for fixing device, wherein enables the stroller frame (1) is provided with a stably of and the dynamic; the fixing device of the first front wheel bracket (6), and a front wheel bracket of the 7) is provided with a lock groove respectively 13, wherein the limit position of the pushrod first 12, second pushrod respectively provided with a locking pin, when the fixing device capable; the lock pin is inserted in the lock groove in the corresponding. The stroller frame is 1) is disposed at the lower part of; the fifth shaft of the second shaft (16); three shaft 17, fourth shafts is 26 and 27 are vertical to the plane of the first front wheel bracket 6, the first connecting rod (19), a connecting rod 21, second connecting rods 20 and second front wheel bracket (7) comprises. A joint of seats 1, wherein the connection base is 23) is provided with a first 29 and second limit 30, wherein the cart frame is 1) is disposed at the lower part, and bamboo seat mat body IO of the has a first limit of the 29), the second chassis and 11 has a second limit of the 30) is. Joint type 3, joint type 4 wall, a bamboo seat mat back wheel bracket is 8 of the first elastic with the second back wheel bracket (nines) is (22; the first elastic is 22 of the cart frame (1) is provided tends of the folding of the dynamic. The first back wheel bracket is provided with a locking mechanism and second back wheel bracket is connected with the locking mechanism is used for and first back wheel bracket of the opening connected with the second back wheel bracket the rigidity is better. The locking mechanism capable comprising a of the first back wheel bracket (8) and a spline slots of for

The second back wheel bracket (9) and patterned key slots and a spline of the first back wheel bracket of the is arranged between 8 and the second back wheel bracket (9) capable arranged; the cart frame is 1) is disposed at the lower state, the spline is embedded into the first patterned key slot is respectively, and connected with the second a spline slot of for the cart frame is of the folding state, and the second patterned key slot two groove the spline at least and first patterned key slot of the is separated from. The front end of the implementation the carrying device, a nose, wherein the end and lower end part and carbon dioxide 1 is arranged on the connecting frame connected with and define to.