38results about How to "Few rods" patented technology

A folding mechanism for a folding table is described. The folding table includes a table top, a supporting portion and a leg portion with two legs and a fixing rod mounted between the two legs. The two legs form a rotatable connection with the table top. The supporting portion includes a supporting rod and a locking member. The locking member has a U-shaped sheet and a locking element disposed in the supporting rod. The U-shaped sheet includes a central vertical sheet and two side vertical sheets. The central vertical sheet and the two side vertical sheets are fixed to the fixing rod. The central vertical sheet has a sliding opening for accommodating the supporting rod so that the supporting rod rotates relative to the sliding opening during sliding. One end of the supporting rod is rotatably connected to a lower surface of the table top. The other end passes through the sliding opening. When the folding mechanism is in a locked position, the locking element in the supporting rod engages the two side vertical sheets of the U-shaped sheet fixed to the fixing rod.

The invention relates to a folding baby stroller comprising a frame, front wheel components, rear wheel components and locking mechanisms used for locking the frame in an unfolding position. The frame comprises bilaterally symmetrical push rods, front wheel supports, rear wheel supports and support frames. The lower end portions of the push rods are provided with rear wheel support connecting pieces, the rear wheel supports are connected with the rear wheel support connecting pieces in a pivoted manner, first connecting pieces are arranged on the push rods, second connecting pieces are arranged on the front wheel supports, one ends of the support frames are connected with the first connecting pieces in a pivoted manner while the other ends of the same are connected with the second connecting pieces in a pivoted manner, third connecting pieces are arranged on the rear wheel supports, the locking mechanisms are arranged in the third connecting pieces, clamp pin seats are arranged on the front wheel supports, the third connecting pieces are matched with the clamp pin seats and can move relatively to the clamp pin seats, and a four-connecting-rod mechanism is formed by the push rods, the rear wheel supports, the front wheel supports and the support frames. Via a brand new framework design, rods of the frame of the baby stroller are reduced, operation for folding the baby stroller is facilitated, and the folded baby stroller is small in size and convenient to carry.

The invention relates to a trolley for children, comprising a frame. The frame consists of a front wheel rack, a rear wheel rack, a push rod, a sliding element, a support rod of the rear wheel rack and a support rod of the push rod, wherein the lower end part of the rear wheel rack is rotationally connected with the rear end part of the front wheel rack, the front end part of the push rod is rotationally connected with the upper end part of the rear wheel rack, and the sliding element capable of sliding along the rear wheel rack up and down is arranged on the rear wheel rack; one end part of the support rod of the rear wheel rack is rotationally connected with the front part of the front wheel rack, one end part of the support rod of the push rod is rotationally connected with the front part of the push rod, the other end part of the rear wheel rack is rotationally connected with the sliding element, and the other end part of the support rod of the push rod is also rotationally connected with the sliding element. When the frame of the trolley is locked in an unfolding position, the push rod, the rear wheel rack and the support rod of the push rod form a triangle, and the front wheel rack, the rear wheel rack and the support rod of the rear wheel rack form another triangle, therefore, the frame of the trolley has high rigidity in the unfolding position, less rods and simple structure.

A folding mechanism comprising a table top (1), a leg portion (2) and a supporting portion (3), said supporting portion comprising at least a supporting rod (32) and a locking member (31) connected to said leg portion, one end of said supporting rod rotatably connected to the lower surface of the tabled top and the other end connected to the locking member, the supporting rod formed a rotatable and slidable connection with the supporting portion so that a folding mechanism is formed by the table top, leg portion and the supporting portion. A folding table is also disclosed.

The invention relates to a game window frame, comprising open window frame and folded window frame and cloth cover set on said window frame; said window frame comprises upper frame, upper part and a plurality of bracing frame which are set in rotary direction to upper frame, when said window frame is open, the lower parts of said bracing frame are outside of shadow of upper frame on the horizontal surface, when window frame is folded, the lower parts is near to upper frame. The lower parts of bracing frame are outwardly movable when said window frame is open, so the window frame is quite stable and saves frame. The invention is characterized by simple structure, little bar and low cost.

The invention relates to a trolley for children, comprising a frame. The frame consists of a front wheel rack, a rear wheel rack, a push rod, a sliding element, a support rod of the rear wheel rack and a support rod of the push rod, wherein the lower end part of the rear wheel rack is rotationally connected with the rear end part of the front wheel rack, the front end part of the push rod is rotationally connected with the upper end part of the rear wheel rack, and the sliding element capable of sliding along the rear wheel rack up and down is arranged on the rear wheel rack; one end part of the support rod of the rear wheel rack is rotationally connected with the front part of the front wheel rack, one end part of the support rod of the push rod is rotationally connected with the front part of the push rod, the other end part of the rear wheel rack is rotationally connected with the sliding element, and the other end part of the support rod of the push rod is also rotationally connected with the sliding element. When the frame of the trolley is locked in an unfolding position, the push rod, the rear wheel rack and the support rod of the push rod form a triangle, and the front wheel rack, the rear wheel rack and the support rod of the rear wheel rack form another triangle, therefore, the frame of the trolley has high rigidity in the unfolding position, less rods and simple structure.

The invention discloses a folding supporting seat comprising at least a folding rack and a piece of supporting cloth, the two of which are connected and matched with each other and form a plurality of seat parts and a convex part, the plurality of seat parts are arranged in ring shape, the convex part is arranged in the middle of the ring shape which is formed by the plurality of seat parts and is higher than the seat surface of the seat parts. The technique proposal has the advantages that the convex part is arranged in the middle of the ring shape which is formed by the plurality of seat parts and is higher than the seat surface of the seat parts and after the supporting seat is unfolded, the convex part can be the backrest of the seat and can be arranged as a table or a storing cabinet, etc.; the convex part and the seat parts are formed by the integrated match of the folding rack and the supporting cloth. The invention has the advantages that occupying space is small after being folded, unfolding and folding are convenient and fast; meanwhile, the structure is simple, rod parts are few and manufacturing cost is low.

The invention relates to a bidirectional folding vehicle. The trammer frame comprises a first front wheel support; a second front wheel support, of which the lower part set with the lower part of the first front wheel support in rotation; a first pushing bar and a second pushing bar, of which lower parts are connected with the upper of the first front wheel support and the upper the second front wheel respectively; rear wheel support formed by cross rotary connection of a first rear wheel support and a second rear wheel support; connecting seat connected with the first rear wheel support and the second rear wheel support in rotation respectively; a first bottom frame and a second bottom frame, of which rear ends are connected with the connecting seat in rotation respectively; and locking device. The upper of the first pushing bar is set with the upper of the second pushing bar in rotation. The upper of the first rear wheel support is set with the lower of the first pushing bar in rotation. The upper of the second rear wheel support is set with the second pushing bar in rotation. The front end of the first bottom frame is set with the first front wheel support in rotation. The front end of the second bottom frame is set with the second front wheel support in rotation. The bar number of trammer frame is few and the cost is low.

The invention relates to a folding baby stroller comprising a frame, front wheel components, rear wheel components and locking mechanisms used for locking the frame in an unfolding position. The frame comprises bilaterally symmetrical push rods, front wheel supports, rear wheel supports and support frames. The lower end portions of the push rods are provided with rear wheel support connecting pieces, the rear wheel supports are connected with the rear wheel support connecting pieces in a pivoted manner, first connecting pieces are arranged on the push rods, second connecting pieces are arranged on the front wheel supports, one ends of the support frames are connected with the first connecting pieces in a pivoted manner while the other ends of the same are connected with the second connecting pieces in a pivoted manner, third connecting pieces are arranged on the rear wheel supports, the locking mechanisms are arranged in the third connecting pieces, clamp pin seats are arranged on the front wheel supports, the third connecting pieces are matched with the clamp pin seats and can move relatively to the clamp pin seats, and a four-connecting-rod mechanism is formed by the push rods, the rear wheel supports, the front wheel supports and the support frames. Via a brand new framework design, rods of the frame of the baby stroller are reduced, operation for folding the baby stroller is facilitated, and the folded baby stroller is small in size and convenient to carry.

The present invention discloses a folding baby cart, which comprises a cart frame, front wheel assemblies and back wheel assemblies, wherein the cart frame comprises an upper push rod, eudipleural lower push rods which are respectively arranged eudipleurally, a front support frame, a back support frame, a bottom frame pipe, a front connecting rod and a back connecting rod, the front connecting rod is connected between the two front wheel assemblies, the back connecting rod is connected between the two back wheel assemblies, a connecting element is fixed on the lower push rod, an upper joint of the back support frame at the upper end of the back support frame is in pin connection with the connecting element, a lower joint of the back support frame at the lower end of the back support frame is in pin connection with the back end of the bottom frame pipe, the front end of the bottom frame pipe is fixedly connected with the front connecting rod, the front part of the bottom frame pipe is in pin connection with the lower joint of the front support frame at the lower end of the front support frame, the upper end of the front support frame is provided with an upper joint of the upper support frame, the lower end of the lower push rod is provided with a lower joint of the push rod, and the lower joint of the push rod is in pin connection with the upper joint of the front support frame. The folding baby cart provided by the present invention has the advantages that the structure is very simple, the whole cart has few rods, the interference caused by too many rods during folding is avoided, and at the same time, the production cost is reduced.