CN106627717B

CN106627717B - Children's barrow

Info

Publication number: CN106627717B
Application number: CN201710033458.0A
Authority: CN
Inventors: 顾小聪; 张金鑫
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2017-01-18
Filing date: 2017-01-18
Publication date: 2022-10-28
Anticipated expiration: 2037-01-18
Also published as: CN106627717A

Abstract

The invention relates to a children's cart, comprising a cart frame with an unfolding state and a folding state and a locking mechanism for locking the cart frame in the unfolding state, wherein the cart frame comprises side brackets positioned at two sides of the cart, each side bracket comprises a front bracket, a rear bracket, a push rod and a seat rod, each rear bracket comprises an upper bracket and a lower bracket which are rotatably connected with each other, each upper bracket is respectively and rotatably connected with the upper end part of the front bracket and the lower end part of the push rod, each side bracket also comprises a first swing rod, a second swing rod and a third swing rod, each seat rod is rotatably connected with the upper bracket, the two end parts of the first swing rod are respectively and rotatably connected with the push rod and the seat rod, the two end parts of the second swing rod are respectively and rotatably connected with the front bracket and the front part of the seat rod, and the two end parts of the third swing rod are respectively and rotatably connected with the rear part of the seat rod and the lower bracket. The folding operation of the baby stroller is simple and convenient, all parts of the folded stroller frame are well attached, the mutual gaps are small, and the folded stroller frame is small in size, can stand by itself and is convenient to carry.

Description

Children's barrow

Technical Field

The invention relates to a baby stroller.

Background

At present, a stroller in the prior art includes a stroller frame having an unfolding position and a folding position, a front wheel assembly and a rear wheel assembly disposed at the bottom of the stroller frame, a locking mechanism for locking the stroller frame in the unfolding state, and a seat pocket assembly detachably grafted on the stroller frame. In order to facilitate the packaging, transportation and storage of the stroller, the stroller can be folded generally, so that the stroller has the advantages of simple structure, convenience in operation, low cost, convenience in folding operation, and capability of being the target pursued by designers, and is also the key for enabling the stroller products to have market competitiveness.

Disclosure of Invention

The invention aims to provide a novel child stroller.

In order to solve the technical problems, the invention adopts a technical scheme that:

a children's cart comprises a cart frame with an unfolding state and a folding state, and a locking mechanism for locking the cart frame in the unfolding state, wherein the cart frame comprises side brackets positioned at two sides of the cart, each side bracket comprises a front bracket, the lower part of which is provided with a front wheel assembly, a rear bracket, the lower part of which is provided with a rear wheel assembly, a push rod and a seat rod,

the rear support comprises an upper support and a lower support which are rotationally connected with each other, the rear wheel assembly is arranged at the lower end part of the lower support, and the upper support is rotationally connected with the upper end part of the front support and the lower end part of the push rod respectively;

the side support also comprises a first swing rod, a second swing rod and a third swing rod, the seat rod is rotatably connected with the upper support, two end parts of the first swing rod are respectively rotatably connected with the push rod and the seat rod, two end parts of the second swing rod are respectively rotatably connected with the front support and the front part of the seat rod, and two end parts of the third swing rod are respectively rotatably connected with the rear part of the seat rod and the lower support.

Furthermore, the axes of rotation between the two rotatably connected components are arranged in parallel and both extend horizontally along the left-right direction of the cart, in the unfolded state, the axis of rotation between the front bracket and the second swing link is positioned at the front lower part of the axis of rotation between the front bracket and the upper bracket, the axis of rotation between the push rod and the first swing link is positioned at the rear upper part of the axis of rotation between the push rod and the upper bracket, and the axis of rotation between the sitting rod and the upper bracket is positioned between the sitting rod and the second swing link, and between the sitting rod and the third swing link; the rotating axis between the lower bracket and the upper bracket is positioned above the rotating axis between the lower bracket and the third swing rod and below the rotating axis between the sitting rod and the upper bracket.

Furthermore, the upper bracket is provided with a first rod and a second rod which are intersected, two ends of the first rod are respectively and rotatably connected with the upper end part of the front bracket and the lower end part of the push rod, and the second rod is respectively and rotatably connected with the sitting rod and the lower bracket.

Preferably, the upper bracket is T-shaped, and the included angle between the first rod and the second rod is 80-90 degrees. In a specific and preferred embodiment, the angle between the first and second bars is about 90 °, i.e. perpendicular.

Preferably, the upper bracket is respectively rotatably connected with the front bracket and the push rod through a first rotating shaft and a second rotating shaft, the first swing rod is respectively rotatably connected with the push rod and the seat rod through a third rotating shaft and a fourth rotating shaft, the second swing rod is respectively rotatably connected with the front bracket and the seat rod through a fifth rotating shaft and a sixth rotating shaft, the third swing rod is respectively rotatably connected with the seat rod and the lower bracket through a seventh rotating shaft and an eighth rotating shaft, the upper bracket is respectively rotatably connected with the lower bracket and the seat rod through a ninth rotating shaft and a tenth rotating shaft, when the frame is in a spreading state, the fifth rotating shaft, the first rotating shaft, the second rotating shaft and the third rotating shaft are sequentially arranged from the front lower part to the rear upper part, the sixth rotating shaft, the fourth rotating shaft, the tenth rotating shaft and the seventh rotating shaft are sequentially arranged from the front to the rear, the tenth rotating shaft is positioned at the front upper part of the ninth rotating shaft, and the eighth rotating shaft is positioned at the rear lower part of the ninth rotating shaft.

Preferably, two triangular structures are formed among the first swing link, the seat link, the second swing link, the front bracket, the upper bracket and the push rod.

Preferably, the push rod comprises an upper push rod and a lower push rod which are connected in a rotating or sliding mode, and the lower push rod is respectively connected with the upper support and the seat rod in a rotating mode.

Preferably, the lower end of the upper push rod is rotatably connected with the upper end of the lower push rod through a rotating shaft.

Preferably, the lower end of the upper bracket and the upper end of the lower bracket are respectively provided with a first connecting lug and a second connecting lug which are rotatably connected through a rotating shaft, and when the cart is in an unfolded state, the lower end surface of the upper bracket is abutted against the upper end surface of the lower bracket, so that the lower bracket is prevented from rotating downwards relative to the upper bracket.

Further, when the cart frame is in a folded state, the front support and the push rod are respectively located on two opposite sides of the upper support, and the lower support is located between the upper support and the push rod.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:

the child stroller disclosed by the invention is novel in structure, all parts of the folded stroller frame are well attached, gaps among the parts are small, and the folded stroller frame is small in size, can stand by itself and is convenient to carry.

Drawings

FIG. 1 is a side view of the stroller of the present invention in a deployed configuration;

FIG. 2 is a side view of the stroller of the present invention during folding;

FIG. 3 is a side view of the stroller of the present invention in a folded configuration;

wherein: 1. a side bracket; 2. a front bracket; 21. a front wheel assembly; 3. a rear bracket; 31. a rear wheel assembly; 32. an upper bracket; 321. a first lever; 322. a second lever; 33. a lower bracket; 41. a push rod is arranged; 42. a lower push rod; 5. a seat post; 6. a first swing link; 7. a second swing link; 8. a third swing link; a1, a first connecting lug; a2, a second connecting lug; d1, a first rotating shaft; d2, a second rotating shaft; d3, a third rotating shaft; d4, a fourth rotating shaft; d5, a fifth rotating shaft; d6, a sixth rotating shaft; d7, a seventh rotating shaft; d8, an eighth rotating shaft; d9, a ninth rotating shaft; d10, a tenth rotating shaft.

Detailed Description

As shown in fig. 1, 2 and 3, the present embodiment provides a stroller, which comprises a stroller frame having an unfolded state and a folded state, and a locking mechanism for locking the stroller frame in the unfolded state, wherein the stroller frame comprises side brackets 1 located at two sides of the stroller, each side bracket 1 comprises a front bracket 2 with a front wheel assembly 21 mounted at the lower part, a rear bracket 3 with a rear wheel assembly 31 mounted at the lower part, a push rod, a seat rod 5, a first swing link 6, a second swing link 7 and a third swing link 8. The push rod comprises an upper push rod 41 and a lower push rod 42, the upper end part of which is rotatably connected with the lower end part of the upper push rod 41.

Further, the rear bracket 3 includes an upper bracket 32 and a lower bracket 33 which are rotatably connected, the rear wheel assembly 31 is disposed at the lower end of the lower bracket 33, the upper bracket 32 is T-shaped and has a first rod 321 and a second rod 322 which are perpendicular to each other, two ends of the first rod 321 are rotatably connected to the upper end of the front bracket 2 and the lower end of the lower push rod 42 through a first rotating shaft D1 and a second rotating shaft D2, respectively, one end of the second rod 322 is rotatably connected to the lower bracket 33 through a ninth rotating shaft D9, and the other end is fixedly connected to the first rod 321, the seat rod 5 is rotatably connected to the second rod 322 through a tenth rotating shaft D10, two ends of the first oscillating rod 6 are rotatably connected to the push rod and the seat rod 5 through a third rotating shaft D3 and a fourth rotating shaft D4, two ends of the second oscillating rod 7 are rotatably connected to the upper portion of the front bracket 2 and the front portion of the seat rod 5 through a fifth rotating shaft D5 and a sixth rotating shaft D6, and two ends of the third oscillating rod 8 are rotatably connected to the rear end of the seat rod 5 and the lower bracket 33 through a seventh rotating shaft D8 and an eighth rotating shaft D8.

Further, the axial lines of the first rotating shaft D1, the second rotating shaft D2, the third rotating shaft D3, the fourth rotating shaft D4, the fifth rotating shaft D5, the sixth rotating shaft D6, the seventh rotating shaft D7, the eighth rotating shaft D8, the ninth rotating shaft D9 and the tenth rotating shaft D10 are parallel and extend horizontally along the left and right direction of the cart. Under the expanded state, fifth pivot D5, first pivot D1, second pivot D2, third pivot D3 set gradually to the back top by the front below, and sixth pivot D6, fourth pivot D4, tenth pivot D10, seventh pivot D7 set gradually by going to back, and tenth pivot D10 is located the front top of ninth pivot D9, and eighth pivot D8 is located the back below of ninth pivot D9. A triangular structure is formed among the front bracket 2, the first rod 321, the lower push rod 42, the first swing rod 6, the seat rod 5 and the second swing rod 7; a triangular structure is formed among the front bracket 2, the first rod 321, the second rod 322, the seat rod 5 and the second swing rod 7.

Further, the end portions of the second rod 322 and the lower bracket 33, which are close to each other, are respectively formed with a first engaging lug a1 and a second engaging lug a2, and the first engaging lug a1 and the second engaging lug a2 are rotatably connected by a ninth rotating shaft D9. When the frame is unfolded, the first connecting lug a1 and the second connecting lug a2 form an included angle of 90 degrees, the lower end face of the second rod 322 is abutted against the upper end face of the lower support 33, the lower support 33 is prevented from rotating downwards relative to the second rod 322, and the stability of the frame is provided.

In the stroller of the present invention, when the frame is in the unfolded state, as shown in fig. 1, the locking mechanism locks the frame, and the two rotatably connected components are unfolded with each other, wherein the front frame 2 and the lower frame 33 are unfolded with each other and supported on the ground by the front wheel assembly 21 and the rear wheel assembly 31, respectively; the front bracket 2, the first rod 321, the lower push rod 41 and the upper push rod 42 are sequentially unfolded in an oblique line from the front lower part to the rear upper part; the second rod 322 and the lower bracket 33 are sequentially unfolded in an oblique line from the front upper part to the rear lower part; the seat rod 5, the first swing rod 6, the second swing rod 7 and the third swing rod 8 are mutually unfolded.

When the frame is folded, as shown in fig. 2, the locking device is unlocked, the upper push rod 41 is pushed towards the front lower part and the lower push rod 42 is pushed to rotate and draw close to each other, so that the lower push rod 42 is pushed to rotate and rotate downwards, the lower push rod 42 rotates and drives the seat rod 5 to rotate around the tenth rotating shaft D10 in the direction that the rear end part is close to the first rod 321 through the first swing rod 6, the seat rod 5 rotates and simultaneously drives the front support 2 to rotate backwards and draw close to the upper support 32 through the second swing rod 7, and drives the lower support 33 to rotate upwards and draw close to the upper support 32 through the third swing rod 8, so that all parts of the frame are drawn close to each other, and finally, the folded state is shown in fig. 3. At this time, the front bracket 2 and the push rod are respectively located at two opposite sides of the upper bracket 32, the lower bracket 33 is located between the upper bracket 32 and the push rod, the cart frame is self-standing on the ground through the front wheel assembly 21 and the rotary connection part of the upper push rod 41 and the lower push rod 42, the first rod 321 is in a horizontal state, and the front bracket 2, the seat rod 5, the second rod 322, the lower bracket 33, the lower push rod 42, the first swing link 6, the second swing link 7 and the third swing link 8 are all located below the plane where the first rod 321 is located.

In conclusion, the cart has the advantages of novel and concise overall structure and good stability, all parts of the folded frame are well attached, the mutual gap is small, and the volume of the folded frame is small. The utility model is self-supporting, portable and convenient for folding operation.

The present invention is described in detail, and it is intended that the present invention can be realized and implemented by those skilled in the art, and the present invention is not limited to the embodiments described above, and all equivalent changes and modifications made according to the spirit of the present invention should be covered by the scope of the present invention.

Claims

1. The utility model provides a children's shallow, including having the shallow frame of expansion state and fold condition, being used for locking the shallow frame in the locking mechanical system of expansion state, the shallow frame is including collateral branch frame (1) that is located the shallow both sides, after-poppet (3), push rod and seat lever (5) that rear wheel subassembly (31) were installed to preceding support (2), the lower part that front wheel subassembly (21) were installed including the lower part in collateral branch frame (1), its characterized in that:

the rear bracket (3) comprises an upper bracket (32) and a lower bracket (33) which are rotationally connected with each other, the rear wheel assembly (31) is arranged at the lower end part of the lower bracket (33), the upper bracket (32) is rotationally connected with the upper end part of the front bracket (2) and the lower end part of the push rod respectively,

the side support (1) further comprises a first swing rod (6), a second swing rod (7) and a third swing rod (8), the seat rod (5) is rotatably connected with the upper support (32), two end portions of the first swing rod (6) are respectively rotatably connected with the push rod and the seat rod (5), two end portions of the second swing rod (7) are respectively rotatably connected with the front support (2) and the front portion of the seat rod (5), two end portions of the third swing rod (8) are respectively rotatably connected with the rear portion of the seat rod (5) and the lower support (33),

wherein the upper bracket (32) is respectively rotatably connected with the front bracket (2) and the push rod through a first rotating shaft (D1) and a second rotating shaft (D2), the first swing rod (6) is respectively rotatably connected with the push rod and the seat rod (5) through a third rotating shaft (D3) and a fourth rotating shaft (D4), the second swing rod (7) is respectively rotatably connected with the front bracket (2) and the seat rod (5) through a fifth rotating shaft (D5) and a sixth rotating shaft (D6), the third swing rod (8) is respectively rotatably connected with the seat rod (5) and the lower bracket (33) through a seventh rotating shaft (D7) and an eighth rotating shaft (D8), the upper bracket (32) is respectively rotatably connected with the lower bracket (33) and the seat rod (5) through a ninth rotating shaft (D9) and a tenth rotating shaft (D10),

when the cart frame is in the unfolded state, the sixth rotating shaft (D6), the fourth rotating shaft (D4), the tenth rotating shaft (D10) and the seventh rotating shaft (D7) are sequentially arranged from front to back, the tenth rotating shaft (D10) is located above the front of the ninth rotating shaft (D9), and the eighth rotating shaft (D8) is located below the back of the ninth rotating shaft (D9).

2. The stroller of claim 1, wherein: the rotating shaft axes between the two rotatably connected components are arranged in parallel and horizontally extend along the left and right directions of the cart, in an unfolded state, the rotating shaft axis between the front bracket (2) and the second swing rod (7) is positioned at the front lower part of the rotating shaft axis between the front bracket (2) and the upper bracket (32), the rotating shaft axis between the push rod and the first swing rod (6) is positioned at the rear upper part of the rotating shaft axis between the push rod and the upper bracket (32), and the rotating shaft axis between the seat rod (5) and the upper bracket (32) is positioned between the rotating shaft axes between the seat rod (5) and the second swing rod (7), between the seat rod (5) and the third swing rod (8); the rotating axis between the lower bracket (33) and the upper bracket (32) is positioned above the rotating axis between the lower bracket (33) and the third swing rod (8) and below the rotating axis between the seat rod (5) and the upper bracket (32).

3. The stroller of claim 1, wherein: the upper bracket (32) is provided with a first rod (321) and a second rod (322) which are intersected, two ends of the first rod (321) are respectively and rotatably connected with the upper end part of the front bracket (2) and the lower end part of the push rod, and the second rod (322) is respectively and rotatably connected with the seat rod (5) and the lower bracket (33).

4. The stroller of claim 3, wherein: the upper support (32) is T-shaped, and an included angle between the first rod (321) and the second rod (322) is 80-90 degrees.

5. Child stroller according to any of the claims 1 to 4, characterized in that: when the cart frame is in the unfolded state, the fifth rotating shaft (D5), the first rotating shaft (D1), the second rotating shaft (D2) and the third rotating shaft (D3) are sequentially arranged from the front lower part to the rear upper part.

6. Child stroller according to claim 1 or 2, characterized in that: the stroller frame is in an unfolded state, two triangular structures are formed among the first swing rod (6), the seat rod (5), the second swing rod (7), the front support (2), the upper support (32) and the push rod, wherein a triangular structure is formed among the front support (2), the upper support (32), the push rod, the first swing rod (6), the seat rod (5) and the second swing rod (7), and another triangular structure is formed among the front support (2), the upper support (32), the seat rod (5) and the second swing rod (7).

7. The stroller of claim 1, wherein: the push rod comprises an upper push rod (41) and a lower push rod (42) which are connected in a rotating or sliding mode, and the lower push rod (42) is connected with the upper support (32) and the seat rod (5) in a rotating mode respectively.

8. The stroller of claim 7, wherein: the lower end part of the upper push rod (41) is rotatably connected with the upper end part of the lower push rod (42) through a rotating shaft.

9. The stroller of claim 1, wherein: the lower end part of the upper support (32) and the upper end part of the lower support (33) are respectively provided with a first connecting lug (a 1) and a second connecting lug (a 2), the first connecting lug (a 1) and the second connecting lug (a 2) are rotatably connected through a rotating shaft, when the cart is in an unfolded state, the lower end surface of the upper support (32) is abutted against the upper end surface of the lower support (33), and the lower support (33) is prevented from rotating downwards relative to the upper support (32).

10. The stroller of claim 1, 2 or 3, wherein: when the stroller frame is in a folded state, the front support (2) and the push rod are respectively positioned on two opposite sides of the upper support (32), and the lower support (33) is positioned between the upper support (32) and the push rod.