阅读说明：本技术 可单双人转换的儿童推车 (Child stroller capable of being converted between single person and double persons ) 是由 严卫军 马福生 于 2019-08-02 设计创作，主要内容包括：本发明公开了一种可单双人转换的儿童推车,其推车车架包括主车架和设置在主车架上的座位组件,该座位组件包括主座位与副座位,主座位与副座位之间能够沿前后方向相对翻转地设置,其中,主座位与副座位这两者中的至少一者能够沿前后方向相对翻转地安装在主车架上,通过翻转主座位或副座位,就能够使得主座位与副座位相对展开呈一前一后地设置而使得座位组件呈双座位状态,或是使得主座位与副座位呈一上一下地分布而使得座位组件呈单座位状态,从而使得儿童推车方便地在单人车状态与双人车状态予以转换。该儿童推车的推车车架的杆件数量少,在转换作为单人车使用时,仅留出一个座位供儿童乘坐,整车轻便,方便了用户的日常使用。(The invention discloses a child stroller capable of being converted by one person and two persons, wherein a stroller frame comprises a main frame and a seat assembly arranged on the main frame, the seat assembly comprises a main seat and an auxiliary seat, the main seat and the auxiliary seat can be arranged in a forward and backward direction in a relatively overturning way, at least one of the main seat and the auxiliary seat can be arranged on the main frame in a relatively overturning way in the forward and backward direction, the main seat and the auxiliary seat can be arranged in a forward and backward way in a relatively unfolding way by overturning the main seat or the auxiliary seat, so that the seat assembly is in a double-seat state, or the main seat and the auxiliary seat are distributed in an up and down way so that the seat assembly is in a single-seat state, and the child stroller can be conveniently converted between the single-person stroller state and the double-person stroller state. The stroller frame of the stroller has the advantages that the number of the rod pieces is small, when the stroller frame is converted to be used as a single stroller, only one seat is reserved for children to take, the whole stroller is light, and convenience is brought to daily use of users.)

1. The utility model provides a but children's shallow of one-man and two-man conversion, includes the shallow frame that has the expansion state and locates the front wheel subassembly and the rear wheel subassembly of shallow frame bottom, its characterized in that: the stroller frame comprises a main frame and a seat assembly arranged on the main frame, the seat assembly comprises a main seat and a sub-seat, the main seat and the sub-seat are arranged oppositely and overturned along the front-back direction, at least one of the main seat and the sub-seat can be installed on the main frame oppositely and overturned along the front-back direction, so that the seat assembly has a double-seat state and a single-seat state, and when the seat assembly is in the double-seat state, the main seat and the sub-seat are opened oppositely and arranged in tandem to respectively provide sitting support; when the seat assembly is in the single-seat state, the main seat and the auxiliary seat are arranged one above the other to form a seat.

2. The convertible stroller of claim 1, wherein: the main frame includes:

the front wheel assembly is arranged at the bottom of the front bracket;

the upper part of the rear bracket can rotate relatively and can be connected with the upper part of the front bracket in a relative sliding manner along the front and rear directions;

a push rod;

one end of the upper connecting rod is rotatably connected with the upper part of the rear bracket, and the other end of the upper connecting rod is rotatably connected to the push rod;

a rear link extending in an up-and-down direction, an upper portion of the rear link being rotatably connected to the push rod, and a lower portion of the rear link being rotatably connected to the rear bracket;

the front part of the main seat is rotatably connected to the front bracket, the rear part of the main seat is rotatably connected to the front part of the sub-seat, the upper link is rotatably connected to the sub-seat through a rotating shaft, and the sub-seat is turned back and forth around the rotating shaft to enable the seat assembly to be switched between the single-seat state and the double-seat state.

3. The convertible stroller of claim 2, wherein: the rear portion of the main seat and the front portion of the sub-seat are rotatably connected by a rotating shaft, and when the seat assembly is in a double-seat state, the rotating shaft is positioned behind the rotating shaft in the sub-seat.

4. The convertible stroller of claim 2, wherein: the upper connecting rod comprises a connecting rod body extending along the front-back direction, the connecting rod body is rotatably connected between the upper portion of the rear support and the push rod, the upper connecting rod further comprises a connecting rod body extending downwards from the connecting rod body, and the lower portion of the connecting rod body is rotatably connected with the auxiliary seat.

5. The convertible stroller of claim 4, wherein: the connection body of rod certainly the front portion of the connecting rod body of rod is inclined the extension downwards and backward, the rear bracket is including dividing two back branches of locating the left and right sides and all extending along upper and lower direction, works as when the shallow frame is in the expansion state, the connection body of rod is located two along left and right directions between the back branch, just the connection body of rod with the back branch is parallel to each other.

6. The convertible stroller of claim 2, wherein: the front support comprises a front support rod body extending along the up-down direction and a sliding rod extending backwards from the upper portion of the front support rod body, the upper connecting rod at least comprises a connecting rod body extending along the front-back direction, the connecting rod body is rotatably connected with the upper portion of the rear support and between the push rods, and the sliding rod and the connecting rod body can be arranged in a telescopic mode along the length extending direction of the sliding rod in a sliding mode.

7. The convertible stroller of claim 2, wherein: in the process that the auxiliary seat is turned forwards and backwards relative to the main seat, so that the seat assembly is switched between the single-seat state and the double-seat state, the upper part of the rear support and the upper part of the front support slide relatively in the front-back direction, and the distance between the front wheel assembly and the rear wheel assembly in the front-back direction is changed.

8. The convertible stroller of claim 2, wherein: when the seat assembly is in a single-seat state or a double-seat state, the stroller frame can be folded, when the stroller frame is in a folded state, the push rod is folded behind the rear support, and the front support, the rear support and the push rod are mutually folded along the front-rear direction.

9. The convertible stroller of claim 1, wherein: the main frame includes:

the front wheel assembly is arranged at the bottom of the front bracket;

the rear wheel assembly is arranged at the bottom of the rear support, the upper part of the rear support is rotatably connected with a first sliding piece, and the first sliding piece can be arranged on the front support in a vertically sliding manner along the length extending direction of the front support;

a swing link extending in an up-and-down direction, an upper portion of the swing link being rotatably connected to the first slider or rotatably connected to an upper portion of the rear bracket, and a lower portion of the swing link being rotatably connected to the main seat;

the front support is rotatably provided with a second sliding piece, the second sliding piece can be connected with the main seat in a front-back sliding mode along the length extension direction of the main seat, the auxiliary seat is rotatably connected to the rear support through a rear rotating shaft, and the auxiliary seat is turned forwards and backwards around the rear rotating shaft to enable the seat assembly to be switched between the single-seat state and the double-seat state.

10. The convertible stroller of claim 9, wherein: when the sub-seat is turned forward and backward relative to the main seat so that the seat assembly is switched between the single-seat state and the double-seat state, the first sliding member slides up and down along the front bracket, the main seat slides forward and backward along the second sliding member, and the distance between the front wheel assembly and the rear wheel assembly in the forward and backward direction is changed.

11. The convertible stroller of claim 9, wherein: the lower part of the swing rod is rotationally connected to the main seat through a lower rotating shaft, and when the seat assembly is in a single-seat state, the second sliding piece is positioned in front of the lower rotating shaft on the main seat; when the seat assembly is in the double-seat state, the second slider is positioned rearward of the lower rotating shaft on the main seat.

12. The convertible stroller of claim 1, wherein: the main frame at least comprises a front support with the bottom provided with the front wheel assembly and a rear support with the bottom provided with the rear wheel assembly, and when the seat assembly is switched from a double-seat state to a single-seat state, the distance between the front wheel assembly and the rear wheel assembly along the front-back direction is reduced.

13. The convertible stroller of any of claims 1-12, wherein: the sub-seat is relatively arranged on the main frame in a turnover mode, and when the seat assembly is in the single-seat state, the sub-seat is turned over and stacked below the main seat.

Technical Field

The invention relates to a child stroller capable of being converted by one person and two persons.

Background

At present, most double-person children carts do not have the function of single-person and double-person conversion, and when only one child needs to be pushed, the cart is very heavy and inconvenient to use.

Disclosure of Invention

The invention aims to provide a child stroller capable of being switched between a single-person stroller state and a double-person stroller state, so that the child stroller can be conveniently switched between the single-person stroller state and the double-person stroller state.

In order to achieve the purpose, the invention adopts the technical scheme that: a one-and-two-person convertible stroller comprising a stroller frame having an expanded state and front and rear wheel assemblies disposed at a bottom of the stroller frame, the stroller frame comprising a main frame and a seat assembly disposed on the main frame, the seat assembly comprising a main seat and a sub-seat, the main seat and the sub-seat being relatively tiltably disposed in a front-to-rear direction, wherein at least one of the main seat and the sub-seat is relatively tiltably mounted on the main frame in the front-to-rear direction such that the seat assembly has a two-seat state and a single-seat state, and when the seat assembly is in the two-seat state, the main seat and the sub-seat are relatively unfolded in tandem to be disposed to each provide a sitting support; when the seat assembly is in the single-seat state, the main seat and the auxiliary seat are arranged one above the other to form a seat.

According to a preferred aspect of the present invention, the main frame includes:

the front wheel assembly is arranged at the bottom of the front bracket;

the upper part of the rear bracket can rotate relatively and can be connected with the upper part of the front bracket in a relative sliding manner along the front and rear directions;

a push rod;

one end of the upper connecting rod is rotatably connected with the upper part of the rear bracket, and the other end of the upper connecting rod is rotatably connected to the push rod;

a rear link extending in an up-and-down direction, an upper portion of the rear link being rotatably connected to the push rod, and a lower portion of the rear link being rotatably connected to the rear bracket;

the front part of the main seat is rotatably connected to the front bracket, the rear part of the main seat is rotatably connected to the front part of the sub-seat, the upper link is rotatably connected to the sub-seat through a rotating shaft, and the sub-seat is turned back and forth around the rotating shaft to enable the seat assembly to be switched between the single-seat state and the double-seat state.

Further, the rear portion of the main seat and the front portion of the sub-seat are rotatably connected by a rotating shaft, and the rotating shaft is located rearward of the rotating shaft in the sub-seat when the seat assembly is in the double-seat state.

Further, the upper connecting rod comprises a connecting rod body extending along the front-rear direction, the connecting rod body is rotatably connected between the upper portion of the rear support and the push rod, the upper connecting rod further comprises a connecting rod body extending downwards from the connecting rod body, and the lower portion of the connecting rod body is rotatably connected with the auxiliary seat.

As a specific implementation mode, the connection body of rod certainly the anterior downward and the extension that inclines backward of the connection rod body of rod, the back support is including locating the left and right sides branch and all following two back branches that the upper and lower direction extends, works as when the shallow frame is in the expansion state, the connection body of rod is located two along the left and right sides direction between the back branch, just the connection body of rod with the back branch is parallel to each other.

Further, the front support comprises a front support rod body extending along the up-down direction and a sliding rod extending backwards from the upper portion of the front support rod body, the upper connecting rod at least comprises a connecting rod body extending along the front-back direction, the connecting rod body is rotatably connected to the upper portion of the rear support and between the push rods, and the sliding rod and the connecting rod body can be telescopically arranged in a sliding mode along the length extending direction of the sliding rod.

Further, when the sub-seat is flipped forward and backward relative to the main seat so that the seat assembly is switched between the single-seat state and the double-seat state, the upper portion of the rear bracket and the upper portion of the front bracket slide relative to each other in the forward and backward direction, and the distance between the front wheel assembly and the rear wheel assembly in the forward and backward direction is changed.

Further, when the seat assembly is in a single-seat state or a double-seat state, the stroller frame is foldable, when the stroller frame is in a folded state, the push rod is folded behind the rear support, and the front support, the rear support and the push rod are mutually folded in the front-rear direction.

According to another preferable aspect of the present invention, the main frame includes:

the front wheel assembly is arranged at the bottom of the front bracket;

the rear wheel assembly is arranged at the bottom of the rear support, the upper part of the rear support is rotatably connected with a first sliding piece, and the first sliding piece can be arranged on the front support in a vertically sliding manner along the length extending direction of the front support;

a swing link extending in an up-and-down direction, an upper portion of the swing link being rotatably connected to the first slider or rotatably connected to an upper portion of the rear bracket, and a lower portion of the swing link being rotatably connected to the main seat;

the front support is rotatably provided with a second sliding piece, the second sliding piece can be connected with the main seat in a front-back sliding mode along the length extension direction of the main seat, the auxiliary seat is rotatably connected to the rear support through a rear rotating shaft, and the auxiliary seat is turned forwards and backwards around the rear rotating shaft to enable the seat assembly to be switched between the single-seat state and the double-seat state.

Further, in the process that the sub-seat is turned forward and backward relative to the main seat so that the seat assembly is switched between the single-seat state and the double-seat state, the first slider slides up and down along the front bracket, the main seat slides forward and backward along the second slider, and the distance between the front wheel assembly and the rear wheel assembly in the forward and backward direction is changed.

Further, the lower part of the swing rod is rotatably connected to the main seat through a lower rotating shaft, and when the seat assembly is in a single-seat state, the second sliding member is positioned in front of the lower rotating shaft on the main seat; when the seat assembly is in the double-seat state, the second slider is positioned rearward of the lower rotating shaft on the main seat.

Preferably, the main frame includes at least a front bracket having the front wheel assembly at a bottom thereof and a rear bracket having the rear wheel assembly at a bottom thereof, and when the seat assembly is switched from the double-seat state to the single-seat state, a distance between the front wheel assembly and the rear wheel assembly in a front-rear direction is reduced.

Preferably, the sub-seat is relatively tiltably provided on the main frame, and the sub-seat is tilted and stacked below the main seat when the seat assembly is in the single-seat state.

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

the invention relates to a children's barrow capable of converting between single person and double persons, wherein a main seat and an auxiliary seat in a seat assembly are rotatably connected to enable the main seat and the auxiliary seat to be arranged oppositely in a turnover manner, and at least one of the main seat and the auxiliary seat is arranged on a main frame of a stroller frame in a turnover manner relatively along the front-back direction, so that the main seat and the auxiliary seat can be relatively unfolded and arranged in a front-back manner to respectively provide sitting support to enable the seat assembly to be in a double-seat state, or the main seat and the auxiliary seat are distributed in a top-bottom manner to enable the seat assembly to be in a single-seat state, and the children's barrow can be conveniently converted between the single-person stroller state and the double-person stroller state. The stroller frame of the stroller has the advantages that the number of the rod pieces is small, when the stroller frame is converted to be used as a single stroller, only one seat is reserved for children to take, the whole stroller is light, and convenience is brought to daily use of users.

Drawings

Fig. 1 is a perspective view of a stroller of embodiment 1 in a deployed state in which the seat assembly is in a double-seat state;

FIG. 2 is a perspective view of the stroller of FIG. 1 from another perspective;

FIG. 3 is a side view of the stroller of FIG. 1;

FIG. 4 is a schematic view of the stroller of FIG. 1 in use;

fig. 5 is a perspective view of the stroller of embodiment 1 in a deployed state in which the seat assembly is in a single-seat state;

fig. 6 is a side view of the stroller of fig. 5;

FIG. 7 is a schematic view of the stroller of FIG. 5 in use;

fig. 8 is a schematic view illustrating a process of converting the seat assembly from the double-seat state to the single-seat state in the stroller of embodiment 1;

FIG. 9 is a side view of the stroller of FIG. 1 in a folded state;

fig. 10 is a side view of the stroller of fig. 5 in a folded state;

fig. 11 is a perspective view of the stroller of embodiment 2 in a deployed state with the seat assembly in a single-seat position;

FIG. 12 is a side view of the stroller of FIG. 11;

fig. 13 is a schematic view showing a process of switching the seat assembly from the single-seat state to the double-seat state in the stroller of embodiment 2;

fig. 14 is a perspective view of the stroller of embodiment 2 in a deployed state in which the seat assemblies are in a double-seat state;

wherein: 1. a front bracket; 11. a front support rod body; 12. a slide bar; 13. a forefoot pedal; 14. a front armrest; 15. a front support rod; 2. a rear bracket; 21. a rear support rod; 22. a rear foot pedal; 3. a seat assembly; 31. a main seat; 31a, a front seat plate; 31b, a front seat tube; 32. a sub-seat; 33. a rotating shaft; 34. a back rest rod; 35. a mating groove; 36. a rotating shaft; 37. a rear rotating shaft; 4. a push rod; 5. an upper connecting rod; 51. a connecting rod body; 52. connecting the rod body; 6. a rear connecting rod; 7. a swing rod; 71. a lower rotating shaft; 8. a first slider; 9. a second slider; 10. a front wheel assembly; 20. a rear wheel assembly.

Detailed Description

The technical solution of the present invention is further explained with reference to the drawings and the specific embodiments.