CN206067843U - A kind of children trolley - Google Patents

Abstract

The utility model relates to a children's pushcart, which comprises a pushcart frame in a folded and unfolded state. The pushcart frame includes symmetrically arranged side supports located on two sides of the pushcart. Each side support includes a front wheel support, a rear wheel support and Push rod, the upper end of the front wheel bracket is rotatably connected with the upper part of the rear wheel bracket, the trolley frame also includes a cross bar assembly arranged between the two side side brackets and rotatably connected with the two side side brackets, the trolley also includes a detachable The bracket mechanism is arranged on the trolley frame. The bracket mechanism includes a base connected to the trolley frame and a connecting seat hinged to the base. Close to realize the longitudinal folding of the cart, the side supports are relatively close to realize the horizontal folding, and the connecting seat rotates relative to the base. The cart frame of the cart can be folded vertically and horizontally twice, the bracket mechanism connected to the cart frame can realize the folding of the bracket mechanism itself, and the cart frame can be folded or opened without disassembling the bracket mechanism .

Description

a stroller for children

technical field

The utility model relates to the field of children's products, in particular to a children's stroller.

Background technique

In the prior art, the stroller includes a stroller frame with folded and unfolded states. When the stroller is in use, parts such as a car seat or a sleeping basket are usually grafted on the stroller frame for grafting parts such as a car seat or a sleeping basket. Usually, one end of the bracket part is fixed or detachably connected to the trolley frame, and the other end is detachably connected to parts such as a car seat or a sleeping basket. The bracket part in the prior art is one part, and the bracket part cannot be folded when the cart frame is folded or opened; or the bracket part must be removed before the cart frame can be folded or opened normally, which is inconvenient to use , the operation is cumbersome.

Contents of the invention

The technical problem to be solved by the utility model is to provide a stroller for children.

In order to solve the above technical problems, the utility model adopts the following technical solutions:

A stroller for children, comprising a stroller frame with folded and unfolded states, a front wheel assembly, a rear wheel assembly, and a locking mechanism for locking the stroller frame in the unfolded state, the stroller frame includes a The side brackets are arranged symmetrically on two sides. The side brackets on each side include a front wheel bracket with the front wheel assembly at the lower end, a rear wheel bracket with the rear wheel assembly at the lower end, and a push rod. The upper end of the wheel bracket is rotatably connected to the upper part of the rear wheel bracket, and the trolley frame also includes a cross bar assembly arranged between the side brackets on both sides and rotatably connected to the side brackets on both sides. The trolley also includes a bracket mechanism detachably arranged on the trolley frame, the bracket mechanism is used for the connection between the trolley frame and other components, and the bracket mechanism includes a The base connected to the vehicle frame and the connecting seat hinged with the base, when the cart is folded, the rods of the side brackets move closer to each other along the sides where the side brackets are located to realize the longitudinal folding of the cart, and the side brackets are opposite to each other Close together to realize horizontal folding, and the connecting base rotates relative to the base.

Further, the base and the connecting base are rotatably connected through a rotating shaft, and the rotating shaft extends in the same direction as the frame bar on which the bracket mechanism is arranged.

Further, the side brackets on each side further include a first connecting rod whose upper end is rotatably connected to the lower part of the push rod, and the lower end of the first connecting rod is rotatably connected to the upper part of the rear wheel bracket.

Furthermore, the side brackets on each side further include a second link whose upper end is rotatably connected to the lower end of the push rod and a third link whose one end is rotatably connected to the lower end of the second link, The second link is also rotatably connected to the upper part of the rear wheel bracket, and the other end of the third link is rotatably connected to the front wheel bracket.

Further, the rear wheel bracket includes a rear wheel bracket body with the rear wheel assembly on the lower end and a connecting piece fixedly arranged on the upper end of the rear wheel bracket body, the front wheel bracket, the first The connecting rods are respectively rotatably connected to the connecting parts, and the rotating connection between the front wheel support and the connecting parts is located below the rotating connecting parts between the first connecting rod and the connecting parts, and the second connecting rod The rod is rotatably connected with the upper part of the rear wheel support body.

Still further preferably, the push rod includes a lower push rod which is rotationally connected with the first connecting rod and the second connecting rod respectively, and a lower push rod which is slidably arranged on the lower push rod along the length direction of the lower push rod. The upper push rod, the rotational connection of the first connecting rod and the lower push rod is located above the rotational connection of the second connecting rod and the lower push rod.

Furthermore, the base is detachably arranged on the first connecting rod, and the connecting seat is detachably connected with other components.

Furthermore, when the cart is in the folded state, the front wheel brackets, rear wheel brackets, first connecting rods, and push rods on each side are close to each other and arranged in sequence from the inside to the outside, and the front wheel brackets on both sides close to each other, the connecting seats are turned outwards and located outside the cart frame, and the entire cart frame is in a flat state.

Further, the cross bar assembly includes a front wheel support link whose two ends are respectively rotatably connected to the front wheel supports on both sides, and a rear wheel support link whose two ends are respectively rotatably connected to the rear wheel supports on both sides. 1. A push rod connecting rod whose two ends are respectively rotatably connected to the push rods on the two sides.

Further, the other components include at least one of a sleeping basket, a seat pocket, and a car seat.

Due to the application of the above-mentioned technical solutions, the utility model has the following advantages compared with the prior art:

The bracket mechanism adopted by the children's stroller of the utility model includes a base and a connecting seat, the base and the connecting seat are hinged, and the hinged connection between the base and the connecting seat can realize the folding of the bracket mechanism itself. The trolley frame can be folded or opened without dismantling the bracket mechanism. On the other hand, the connecting seat of the bracket mechanism of the utility model is detachably connected with other parts, and other parts can be car seats, sleeping baskets, seat pockets, and the bracket mechanism can be used on children's strollers to install or disassemble the car conveniently. parts such as seats, carrycots or seat pockets.

Description of drawings

Fig. 1 is a three-dimensional view of the children's stroller in the unfolded state of the utility model;

Fig. 2 is a side view of the children's stroller in the unfolded state of the utility model;

3 to 5 are perspective views of the bracket mechanism of the children's stroller of the present invention at different angles;

Fig. 6 is a three-dimensional view after separation of the pushcart frame and the bracket mechanism of the children's stroller of the present invention;

Fig. 7 is the perspective view of the car seat connected to the stroller frame of the children's stroller of the present invention;

Fig. 8 is a side view of the car seat connected to the stroller frame of the children's stroller of the present invention;

Fig. 9 is a perspective view of the folded bracket mechanism of the children's stroller of the present invention;

Fig. 10 is a side view of the folded bracket mechanism of the children's stroller of the present invention;

Fig. 11 is a perspective view of the utility model children's stroller in a half-folded state;

Fig. 12 is a side view of the utility model children's stroller in a half-folded state;

Figures 13 to 16 are schematic diagrams of the utility model children's stroller at different angles after being folded once;

Figures 17 to 20 are schematic diagrams of the children's stroller of the present invention at different angles after being folded twice;

Among the figure: 1, bracket mechanism; 10, base; 11, connecting seat; 2, trolley frame; 20, front wheel support; 21, rear wheel support; 210, rear wheel support body; 211, connector; 22, Push rod; 220, the lower push rod; 221, the upper push rod; 23, the first connecting rod; 24, the second connecting rod; 25, the third connecting rod; 26, the front wheel support connecting rod; 27, the rear wheel support connecting rod Rod; 28, push rod connecting rod; 3, front wheel assembly; 4, rear wheel assembly; 5, car seat.

detailed description

The utility model is further described below in conjunction with the accompanying drawings of the description:

As shown in Figures 1 to 20, a child stroller includes a stroller frame 2 in folded and unfolded states, a front wheel assembly 3, a rear wheel assembly 4, and a locking mechanism for locking the stroller frame 2 in the unfolded state The cart frame 2 includes symmetrically arranged side supports positioned at both sides of the cart, each side support comprising a front wheel support 20 with a front wheel assembly 3 at the lower end, a rear wheel support 21 with a rear wheel assembly 4 at the lower end, and Push rod 22, the upper end of front wheel support 20 is connected with the top of rear wheel support 21, and push rod 22 comprises lower push rod 220 and the upper push rod that is arranged on the lower push rod 220 along the length direction of lower push rod 220 to slide. 221.

The cart of the utility model also includes a bracket mechanism 1 detachably arranged on the cart frame 2, and the bracket mechanism 1 is used for connection between the cart frame 2 and other components.

The bracket mechanism 1 includes a base 10 connected to the trolley frame 2 and a connecting base 11 hinged to the base 10. The connecting base 11 is detachably connected with other parts. The sides where the brackets are located close together to realize the longitudinal folding of the cart, the side brackets are relatively close together to realize the horizontal folding, and the connecting seat 11 rotates relative to the base 10 .

Each side bracket also includes a first connecting rod 23 whose upper end is rotatably connected to the bottom of the lower push rod 220, a second connecting rod 24 whose upper end is rotatably connected to the lower end of the lower push rod 220, and one end connected to the second connecting rod 24. The lower end of the third link 25 is rotatably connected, the lower end of the first link 23 is rotatably connected to the top of the rear wheel bracket 21, the second link 24 is also rotatably connected to the top of the rear wheel bracket 21, and the third link The other end of 25 is rotationally connected with the front wheel bracket 20, the rotational joint of the third link 25 and the front wheel bracket 20 is located below the rotational joint of the rear wheel bracket 21 and the front wheel bracket 20, and the first connecting rod 23 is connected with the front wheel bracket 20. The rotational connection of the lower push rod 220 is located above the rotational connection of the second connecting rod 24 and the lower push rod 220 .

In this example, the rear wheel bracket 21 includes a rear wheel bracket body 210 with a rear wheel assembly 4 at the lower end and a connector 211 fixedly arranged on the upper end of the rear wheel bracket body 210. The front wheel bracket 20 and the first connecting rod 23 are respectively It is rotatably connected with the connector 211, and the rotational connection between the front wheel bracket 20 and the connector 211 is located below the rotational connection between the first connecting rod 23 and the connector 211, and the second connecting rod 24 is connected to the upper part of the rear wheel bracket body 210. Turn to connect.

Specifically, the second connecting rod 24 is an arc-shaped rod, which includes a connecting rod section that is inclined forward from top to bottom and a connecting rod section that is bent forward from the lower end of the connecting rod section and extends downward. The upper end of one section of the rod is rotatably connected with the lower push rod 220 , the bottom of one section of the connecting rod is rotatably connected with the rear wheel bracket body 210 , and the lower end of the second section of the connecting rod is rotatably connected with the front wheel bracket 20 .

In this example, the base 10 is rotatably connected to the connecting base 11 through a rotating shaft, the base 10 is detachably arranged on the first connecting rod 23 , and the rotating shaft is arranged parallel to the first connecting rod 23 .

The trolley frame of the utility model also includes a cross bar assembly arranged between the side brackets on both sides and rotatably connected with the side brackets on both sides. Connecting rod 26, the rear wheel support connecting rod 27 that both ends are rotatably connected with two side rear wheel supports 21 and the push rod connecting rod 28 that both ends are rotatably connected with two side push rods 22 respectively. Specifically, the rear wheel support link 27 is rotatably connected to the rear wheel support body 210 , and the push rod link 28 is rotatably connected to the upper push rod 221 .

Other parts of the children's stroller of the present utility model can be parts such as car seats, sleeping baskets, seat pockets, as in this example, as shown in Figures 7 to 8, the car seat 5 is connected on the children's stroller.

When the baby stroller needs to be folded, other components such as the car seat 5 are disassembled from the bracket mechanism 1, and the connecting seat 11 is rotated to the outside of the stroller frame 2 until it is close to the base 10, and the bracket mechanism 1 is folded. Then the locking mechanism is unlocked, the cart frame 2 is unlocked, the upper push rod 221 slides downward relative to the lower push rod 220, the upper push rod 221 and the lower push rod 220 are folded, and the push rod 22 is rotated forward and pressed down, the first The upper ends of the connecting rod 23 and the second connecting rod 24 rotate downward, so that the push rod 22, the first connecting rod 23, the second connecting rod 24, and the rear wheel bracket 21 move closer to each other, and the rotation of the second connecting rod 24 drives the first The upper end of the three connecting rods 25 rotates upwards, and then drives the front wheel bracket 20 to move closer to the rear wheel bracket 21, and the push rod 22 continues to press down until the push rod 22, the first connecting rod 23, the second connecting rod 24, the rear wheel The support 21 and the front wheel support 20 are moved closer to each other to realize the longitudinal folding of the cart. As shown in Figures 13 to 16, the primary folding of the cart frame 2 is completed, and then the push rod 22, the first connecting rod 23, and the second push rod on both sides are folded together. The connecting rod 24, the rear wheel bracket 21, and the front wheel bracket 20 are further folded, so that the front wheel brackets 20 on both sides are close to each other, and the cart is folded horizontally. As shown in Figures 17-20, the secondary folding of the cart frame 2 is completed When the cart frame 2 is in the secondary folding state, the front wheel brackets 20, rear wheel brackets 21, first connecting rods 23, and push rods 22 on each side are close to each other and arranged in sequence from the inside to the outside, and the front wheel brackets 20 on both sides are mutually Close together, the connecting seat 11 is turned outward and is located outside the cart frame 2, and the connecting seat 11 and the base 10 are close to each other, and the entire cart frame is in a flat state.

When folding the cart frame 2, you can first slide the upper push rod 221 downward relative to the lower push rod 220, fold the upper push rod 221 and the lower push rod 220, and then fold other parts of the cart frame 2, or fold the cart first other parts of the frame 2, and then slide the upper push rod 221 downward relative to the lower push rod 220, and fold the upper push rod 221 and the lower push rod 220.

The above-mentioned embodiments are only to illustrate the technical conception and characteristics of the present utility model. Equivalent changes or modifications made according to the spirit of the present utility model shall fall within the protection scope of the present utility model.

Claims (10)

1. A child stroller, comprising a stroller frame with folded and unfolded states, a front wheel assembly, a rear wheel assembly and a locking mechanism for locking the stroller frame in the unfolded state, the stroller frame includes a The side brackets arranged symmetrically on both sides of the cart, the side brackets on each side include a front wheel bracket with the front wheel assembly at the lower end, a rear wheel bracket with the rear wheel assembly at the lower end, and a push rod. The upper end of the front wheel bracket is rotatably connected to the upper part of the rear wheel bracket, and the trolley frame also includes a cross bar assembly arranged between the side brackets on both sides and rotatably connected to the side brackets on both sides, It is characterized in that: the trolley also includes a bracket mechanism detachably arranged on the trolley frame, the bracket mechanism is used for connection between the trolley frame and other components, the bracket The mechanism includes a base connected to the trolley frame and a connecting seat hinged to the base. When the trolley is folded, the rods of the side brackets move closer to each other along the sides where the side brackets are located to realize the longitudinal folding of the trolley. , the side brackets move closer together to achieve horizontal folding, and the connecting seat rotates relative to the base. 2 . The stroller for children according to claim 1 , wherein the base and the connecting seat are rotatably connected by a rotating shaft, and the rotating shaft extends in the same direction as the frame bar on which the bracket mechanism is arranged. 3. The stroller according to claim 1, wherein the side brackets on each side further include a first connecting rod whose upper end is rotatably connected to the lower part of the push rod, and the lower end of the first connecting rod The upper portion is rotationally connected with the rear wheel bracket. 4. The children's stroller according to claim 3, wherein the side brackets on each side further include a second connecting rod whose upper end is rotatably connected to the lower end of the push rod and one end is connected to the second connecting rod. The lower end of the connecting rod is rotatably connected to a third connecting rod, the second connecting rod is also rotatably connected to the upper part of the rear wheel bracket, and the other end of the third connecting rod is rotatably connected to the front wheel bracket. 5. The children's stroller according to claim 4, wherein the rear wheel bracket includes a rear wheel bracket body with the rear wheel assembly at the lower end and a rear wheel bracket body fixedly arranged at the upper end of the rear wheel bracket body. Connecting piece, the front wheel bracket and the first connecting rod are respectively rotatably connected to the connecting piece, and the rotating connection between the front wheel bracket and the connecting piece is located between the first connecting rod and the connecting piece. The second connecting rod is rotationally connected with the upper part of the rear wheel bracket body. 6. The children's stroller according to claim 4, characterized in that: the push rod includes a lower push rod which is respectively rotatably connected to the first connecting rod and the second connecting rod and along the length of the lower push rod The upper push rod is slidably arranged on the lower push rod, and the rotational connection between the first connecting rod and the lower push rod is located above the rotational connection between the second connecting rod and the lower push rod. 7. The stroller for children according to claim 3, wherein the base is detachably arranged on the first connecting rod, and the connecting seat is detachably connected with other components. 8. The children's stroller according to claim 3, characterized in that: when the stroller is in the folded state, the front wheel brackets, rear wheel brackets, first connecting rods, and push rods on each side move closer to each other and are The inner side is arranged in sequence toward the outer side, the front wheel brackets on both sides are close to each other, the connecting seat is turned outward and is located outside the cart frame, and the whole cart frame is in a flat state. 9. The children's stroller according to claim 1, characterized in that: the cross bar assembly includes a front wheel bracket connecting rod whose two ends are respectively connected to the front wheel brackets on the two sides in rotation, and the two ends are respectively connected to the two sides The rear wheel support connecting rod that is rotatably connected to the rear wheel support on the side, and the push rod connecting rod that is rotatably connected to the push rods on both sides at both ends. 10. The stroller for children according to claim 1, wherein the other components include at least one of a sleeping basket, a seat pocket and a car seat.