CN211391421U - Children's barrow - Google Patents

Abstract

The utility model discloses a children's stroller, which comprises a stroller frame with an unfolded state and a folded state. The connected armrests, the side supports on each side include: a front support, the bottom of the front support is connected to the front wheel assembly, the lower part of the armrest is rotatably connected to the front support; the rear support, the bottom of the rear support is connected to the rear wheel assembly, the rear The bracket is rotatably connected to the front bracket; the push rod assembly, the lower part of the push rod assembly is rotatably connected to the rear bracket, and the upper part of the armrest frame is slidably and rotatably connected to the push rod assembly; seat post, the front of the seat post The rear part of the seat post is rotatably connected with the push rod assembly. The children's stroller has a simple structure, a simple and convenient folding method, and the folded children's stroller is compact in size, which is convenient for the use and storage of the children's stroller.

Description

stroller

technical field

The utility model relates to a children's stroller, which belongs to children's products.

Background technique

A child stroller in the prior art includes a stroller frame having an unfolded state and a folded state, a front wheel assembly and a rear wheel assembly disposed at the bottom of the stroller frame, for locking the stroller frame in the unfolded state under the locking structure. There are many types of existing children's strollers, the number of poles of the stroller frame is different, and the connection positions between the poles are different, so the folding principle and folding method are different, and the effect after folding is also different.

Utility model content

In order to solve the above problems, the purpose of the present invention is to provide a stroller for children.

In order to achieve the above purpose, the technical solution adopted by the present utility model is: a child stroller, comprising a stroller frame having an unfolded state and a folded state, a front wheel assembly and a rear wheel assembly arranged at the bottom of the stroller frame, The stroller frame includes side brackets located on the left and right sides of the stroller and armrest brackets respectively connected to the left and right side brackets. The side brackets on each side include:

a front bracket, the bottom of the front bracket is connected to the above-mentioned front wheel assembly, and the lower part of the above-mentioned armrest frame is rotatably connected to the front bracket;

a rear bracket, the bottom of the rear bracket is connected with the above-mentioned rear wheel assembly, and the rear bracket is rotatably connected with the front bracket;

a push rod assembly, the lower part of the push rod assembly is rotatably connected to the rear bracket, and the upper part of the armrest frame is slidably and rotatably connected to the push rod assembly;

A seat post, the front part of the seat post is rotatably connected with the front bracket, and the rear part of the seat post is rotatably connected with the push rod assembly.

Further, the push rod assembly includes an upper push rod and a lower push rod, the lower end of the upper push rod is rotatably connected with the upper end of the lower push rod, the lower part of the lower push rod is rotatably connected with the rear bracket, and the upper part of the armrest can be It is slidably and rotatably connected with the lower push rod.

Further, the armrest frame includes a pair of side armrests respectively located on the left and right sides of the stroller, and a front armrest respectively connected with the pair of side armrests, and the upper part of each side armrest and the push rod assembly on the same side can both slide and They are rotatably connected, and the lower part of each side armrest is rotatably connected with the front bracket on the same side.

Further, the cart frame also includes a backrest rod, the backrest rod is in the shape of an inverted U, and the two ends of the backrest rod are respectively rotatably connected with the lower parts of the push rod assemblies on the left and right sides.

Further, a sliding sleeve is slidably arranged on the push rod assembly, and the upper part of the armrest frame is rotatably connected with the sliding sleeve.

Further, the connection between the armrest frame and the front bracket is located between the connection between the front bracket and the rear bracket and the connection between the front bracket and the seat post.

Further, the connection between the push rod assembly and the rear bracket is located at the rear side of the connection between the front bracket and the rear bracket.

Further, the upper part of the front bracket is bent backward to form a front bracket bending part, and the upper part of the rear bracket is bent forward to form a rear bracket bending part. The extension directions of the bent portions of the brackets are the same.

Further, the seat post includes a seat post body part and a seat post bending part bent downward from the front end of the seat post body part, and the seat post bending part is rotatably connected with the front bracket, when the cart frame is in the unfolded state. , the seatpost body part and the front bracket bending part and the rear bracket bending part extend in the same direction.

Further, the lower part of the push rod assembly has a connecting piece extending forward, and the rear part of the seat post is rotatably connected with the connecting piece.

Further, when the stroller is in a folded state, the two rear brackets are located between the left and right front brackets, and the two rear wheel assemblies are located between the left and right front wheel assemblies.

Due to the application of the above-mentioned technical solutions, the present invention has the following advantages compared with the prior art: the child stroller of the present invention has a simple structure, a simple and convenient folding method, and the folded child stroller is small in size, which is convenient for the child stroller to be folded. use and storage.

Description of drawings

Accompanying drawing 1 is the three-dimensional structure schematic diagram of the stroller of the present invention when it is unfolded;

Accompanying drawing 2 is the side view structure schematic diagram of the baby stroller of the present invention when it is unfolded;

3 is a schematic three-dimensional structure diagram of the stroller of the present invention in the first state during the folding process;

Accompanying drawing 4 is the side view structure schematic diagram of the baby stroller of the present invention in the first state during the folding process;

5 is a schematic three-dimensional structure diagram of the stroller of the present invention in the second state during the folding process;

6 is a schematic side view structure diagram of the stroller of the present invention in the second state during the folding process;

7 is a schematic three-dimensional structure diagram of the stroller of the present invention in the third state during the folding process;

8 is a schematic side view of the stroller of the present invention in the third state during the folding process;

9 is a schematic three-dimensional structure diagram of the stroller of the present invention when it is in a folded state;

FIG. 10 is a schematic side view of the stroller of the present invention in a folded state.

The symbols in the figure are:

1. Front wheel assembly; 2. Rear wheel assembly; 3. Front bracket; 31. Bending part of front bracket; 4. Rear bracket; 41. Bending part of rear bracket; 5. Push rod assembly; 51. Upper push rod; 52, lower push rod; 53, push rod rotation joint; 54, connecting piece; 6, armrest frame; 61, side armrest; 62, front armrest; 7, seat post; 71, seat post body part; 72, seat post bending Folding part; 8. Backrest bar; 9. Sliding sleeve.

Detailed ways

The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art.

The terms "front", "rear", "left" and "right" in this embodiment are defined according to the normal usage habits of the stroller. When the stroller is in normal use, its forward direction is "front", otherwise it is "rear", Children normally ride in the stroller, and the left and right sides of the child are "left" and "right". The terms "upper" and "lower" in this embodiment are defined by the position of the stroller in the unfolded state.

Referring to Figures 1 to 10, the stroller in this embodiment includes a stroller frame with an unfolded state and a folded state, a front wheel assembly 1 and a rear wheel assembly 2 disposed at the bottom of the stroller frame, The stroller frame includes side brackets located on the left and right sides of the stroller, and armrest frames 6 respectively connected to the left and right side brackets.

The side brackets on each side include a front bracket 3 , a rear bracket 4 , a push rod assembly 5 , and a seat post 7 .

The bottom of the front bracket 3 is connected with the above-mentioned front wheel assembly 1 . And the lower part of the armrest frame 6 is rotatably connected to the front bracket 3 .

The bottom of the rear bracket 4 is connected with the above-mentioned rear wheel assembly 2 . The rear bracket 4 is rotatably connected with the front bracket 3 . In a preferred embodiment, the upper part of the front bracket 3 is bent backward to form the front bracket bending part 31 , the upper part of the rear bracket 4 is bent forward to form the rear bracket bending part 41 , and the front bracket bending part 31 is The rear end portion is rotatably connected to the front end portion of the rear bracket bending portion 41 . When the cart frame is in the unfolded state, the front bracket bending portion 31 and the rear bracket bending portion 41 extend in the same direction.

The lower part of the push rod assembly 5 is rotatably connected with the rear bracket 4 . Specifically, the connection between the push rod assembly 5 and the rear bracket 4 is located at the rear side of the connection between the front bracket 3 and the rear bracket 4 . The upper part of the armrest frame 6 is slidably and rotatably connected to the push rod assembly 5 . The specific connection structure between the armrest frame 6 and the push rod assembly 5 is as follows: the push rod assembly 5 is slidably provided with a sliding sleeve 9, and the sliding sleeve 9 is specifically arranged on the lower push rod 52 to be described below. The upper part is rotatably connected with the sliding sleeve 9 .

In a preferred embodiment, the push rod assembly 5 includes an upper push rod 51 and a lower push rod 52, the lower part of the lower push rod 52 is rotatably connected with the rear bracket 4, and the upper part of the armrest frame 6 is slidable and rotatable. Connected with the lower push rod 52 . The lower end of the upper push rod 51 and the upper end of the lower push rod 52 are rotatably connected through the rotating joint 53. When the stroller is folded, the upper push rod 51 and the lower push rod 52 rotate and move closer together, so that the whole vehicle is folded. Smaller size.

The front part of the seat post 7 is rotatably connected with the front bracket 3 . Specifically, the connection between the armrest frame 6 and the front bracket 3 is located between the connection between the front bracket 3 and the rear bracket 4 and the connection between the front bracket 3 and the seat post 7 . between. The rear part of the seat post 7 is rotatably connected with the push rod assembly 5 , specifically, it is rotatably connected with the lower push rod 52 , and more specifically, the lower end of the lower push rod 52 has a connecting piece 54 extending forward. The rear part is rotatably connected with the connecting piece 54 . In a preferred embodiment, the seat post 7 includes a seat post body part 71 and a seat post bending part 72 bent downward from the front end of the seat post body part 71 , and the seat post bending part 72 is opposite to the front bracket 3 . Rotating connection, the bending angle of the seat post bending part 72 is the same as the bending angle of the front bracket bending part 31, when the cart frame is in the unfolded state, the seat post body part 71 and the front bracket bending part 31 and the rear The extension direction of the bracket bending part 41 is the same, and the seat post body part 71 is on the plane formed by the front bracket bending part 31 and the rear bracket bending part 41 on the left and right sides.

The armrest frame 6 in this embodiment specifically includes a pair of side armrests 61 respectively located on the left and right sides of the stroller, and a front armrest 62 respectively connected to the pair of side armrests 61 . The front armrest 62 is connected to the middle of the side armrest 61 . The upper part of each side armrest 61 is slidably and rotatably connected with the push rod assembly 5 on the same side, and the lower part of each side armrest 61 is rotatably connected with the front bracket 3 on the same side.

The cart frame also includes a backrest bar 8, the backrest bar 8 is in an inverted U shape, and its two ends are respectively connected with the lower parts of the push rod assemblies 5 on the left and right sides. In this embodiment, the backrest bar 8 and the lower push rod 52 It is rotatably connected with the rear bracket 4 through the same rotating shaft. When the stroller is in the unfolded state, the backrest angle of the seat pocket on which the child is seated can be adjusted by rotating the backrest bar 8, thereby adapting to the different needs of the child when riding and increasing the riding comfort. In this embodiment, the length of the backrest bar 8 is close to the length of the lower push bar 52 , so that after the cart is folded as a whole, the backrest bar 8 will not affect the volume of the entire cart.

In a more preferred embodiment, when the stroller is in a folded state, the two rear brackets 4 are located between the left and right front brackets 3, and the two rear wheel assemblies 2 are located at the left and right front wheel assemblies between 1.

How folding works:

In the stroller in this embodiment, the front bracket 3, the rear bracket 4, the push rod assembly 5, and the seat post 7 constitute a four-bar linkage mechanism, and the front bracket 3, the rear bracket 4, the push rod assembly 5, and the armrest frame 6 constitute a four-bar linkage mechanism. The polygonal slider mechanism, when the stroller is folded, the push rod assembly 5 is rotated backwards and downwards (for the convenience of the folding operation, it is preferable to turn the push rod assembly 5 backwards and downwards before turning the push rod assembly 5 backwards and downwards. 51 and the lower push rod 52 are rotated and folded to make the two move closer to each other), which drives the above-mentioned four-bar linkage mechanism and the polygonal slider mechanism to move, so that the front bracket 3 and the rear bracket 4 are rotated and moved closer to each other, and the sliding sleeve 9 moves along the lower push rod. 52 slides toward the direction of the upper push rod 51, and the armrest frame 6 rotates and moves closer to the front bracket 3 and the rear bracket 4. Complete the folding of the whole vehicle until all the parts are close together.

The stroller in the above embodiment has a simple structure, a simple and convenient folding method, and the folded stroller has a small size, which is convenient for the use and storage of the stroller.

The above-mentioned embodiments are only to illustrate the technical concept and characteristics of the present invention, and the purpose thereof is to enable those who are familiar with the technology to understand the content of the present invention and implement accordingly, and cannot limit the protection scope of the present invention with this. All equivalent changes or modifications made according to the spirit of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. A child stroller, comprising a stroller frame having an unfolded state and a folded state, a front wheel assembly (1) and a rear wheel assembly (2) disposed at the bottom of the stroller frame, the stroller The frame includes side brackets located on the left and right sides of the stroller respectively, and armrest brackets (6) respectively connected with the side brackets on the left and right sides, characterized in that the side brackets on each side include : a front bracket (3), the bottom of the front bracket (3) is connected to the front wheel assembly (1), and the lower part of the armrest frame (6) is rotatably connected to the front bracket (3); a rear bracket (4), the bottom of the rear bracket (4) is connected to the rear wheel assembly (2), and the rear bracket (4) is rotatably connected to the front bracket (3); A push rod assembly (5), the lower part of the push rod assembly (5) is rotatably connected with the rear bracket (4), and the upper part of the armrest frame (6) is slidably and rotatably connected to the push rod assembly (5) on the rod assembly (5); A seat post (7), the front part of the seat post (7) is rotatably connected with the front bracket (3), and the rear part of the seat post (7) is rotatably connected with the push rod assembly (5) . 2. The stroller according to claim 1, characterized in that: the push rod assembly (5) comprises an upper push rod (51) and a lower push rod (52), and the lower end of the upper push rod (51) The lower part of the lower push rod (52) is rotatably connected with the upper end of the lower push rod (52), the lower part of the lower push rod (52) is rotatably connected with the rear bracket (4), and the upper part of the armrest frame (6) can be The lower push rod (52) is slidably and rotatably connected. 3. The stroller according to claim 1, characterized in that: the armrest frame (6) comprises a pair of side armrests (61) located on the left and right sides of the stroller respectively, The front armrests (62) connected to the opposite armrests (61), the upper part of each of the side armrests (61) is connected to the push rod assembly (5) on the same side so as to be slidable and rotatable; The lower part of the side armrest (61) is rotatably connected with the front bracket (3) on the same side. 4. The stroller according to claim 1, characterized in that: the stroller frame further comprises a backrest bar (8), and the backrest bar (8) is in the shape of an inverted U, the two ends of which are respectively connected to the left and right sides. The lower part of the push rod assembly (5) on the side is rotatably connected. 5. The stroller according to claim 1, characterized in that: a sliding sleeve (9) is slidably provided on the push rod assembly (5), and the upper part of the armrest frame (6) is connected to the sliding sleeve (9). Phase rotation connection. 6. The stroller according to claim 1, characterized in that: the connection between the armrest frame (6) and the front bracket (3) is located at the front bracket (3) and the rear bracket (4) ) and the connection between the front bracket (3) and the seat post (7), the connection between the push rod assembly (5) and the rear bracket (4) is located in the front bracket (3) The rear side of the connection with the rear bracket (4). 7. The stroller according to claim 1, characterized in that: the upper part of the front bracket (3) is bent backward to form a front bracket bending part (31), and the upper part of the rear bracket (4) is facing The front is bent to form a rear bracket bending portion (41). When the cart frame is in the unfolded state, the front bracket bending portion (31) and the rear bracket bending portion (41) extend in the same direction . 8 . The stroller according to claim 7 , wherein the seat post ( 7 ) comprises a seat post body portion ( 71 ) and a seat post body portion ( 71 ) which is bent downward from the front end of the seat post body portion ( 71 ). A seat post bending part (72), the seat post bending part (72) is rotatably connected with the front bracket (3), when the cart frame is in the unfolded state, the seat post body part ( 71) is the same as the extension direction of the front bracket bending part (31) and the rear bracket bending part (41). 9. The stroller according to claim 1, characterized in that: the lower part of the push rod assembly (5) has a connecting piece (54) extending forward, and the rear part of the seat post (7) is connected to the The connecting pieces (54) are rotatably connected. 10. The stroller according to claim 1, characterized in that: when the stroller is in a folded state, the two rear brackets (4) are located between the front brackets (3) on the left and right sides between the two rear wheel assemblies (2) are located between the front wheel assemblies (1) on the left and right sides.

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