CN100453376C

CN100453376C - Foldable baby carriage

Info

Publication number: CN100453376C
Application number: CNB2004100410680A
Authority: CN
Inventors: 沈海东
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2004-06-21
Filing date: 2004-06-21
Publication date: 2009-01-21
Anticipated expiration: 2024-06-21
Also published as: CN1594003A

Abstract

The present invention relates to a folding infant trammer which comprises a carrier frame and wheels, wherein the carrier frame comprises a push rod, a front supporting frame, a bottom supporting rod, a sliding bush, a back connecting rod and a back supporting rod. The push rod is connected with the front supporting frame in a rotating mode, the front part of the bottom supporting rod is connected with the front supporting frame in a rotating mode, and the sliding bush can be sheathed on the bottom supporting rod in an axial direction in a sliding mode. The sliding bush can be connected respectively with the upper end part of the back supporting rod and the lower end part of the back connecting rod in a rotating mode, and the upper end part of the back connecting rod is connected with the back part of the front supporting frame in a rotating mode. When the folding infant trammer is folded, the push rod can be turned over corresponding to the front supporting frame, the sliding bush can slide forwards along the bottom supporting rod, and the lower end part of the back connecting rod and the upper end part of the back supporting rod can also slide forwards. After the folding infant trammer is folded, the present invention has short length and short thickness, and thus, the packaging volume of the folding infant trammer is small.

Description

The Foldable baby go-cart

Technical field

The present invention relates to a kind of Foldable baby go-cart.

Background technology

In the prior art, doll carriage generally includes front-wheel support, rear wheel support that the bottom has trailing wheel and the push rod etc. that the bottom has front-wheel, and the doll carriage of three-wheel generally includes symmetrical a pair of front-wheel support and pair of rear wheels support and pair of push rods, the leading section of a pair of front-wheel support is fixedly connected, and its rear portion then is connected so that go-cart can fold with pair of rear wheels support phase pivot respectively.But,, transportation is brought inconvenience so the packaging volume of product is also bigger because the doll carriage of three-wheel length and width and the thickness after folding is all longer.

Summary of the invention

The object of the invention provide a kind of can horizontal and vertical folding Foldable baby go-cart, the volume of folding back go-cart is little.

For achieving the above object, the technical solution used in the present invention is: a kind of Foldable baby go-cart, and comprise vehicle frame, be arranged at seat pocket on the vehicle frame, be arranged at the wheel of bottom of frame, described vehicle frame comprises

First push rod, second push rod;

First front frame, second front frame, the leading section of the rearward end of described first front frame and first push rod is rotatably connected, and the leading section of the rearward end of described second front frame and second push rod is rotatably connected;

Bottom supporting rod, the front portion of described bottom supporting rod are rotatably connected with the leading section of described first front frame, the leading section of second front frame respectively;

Sliding sleeve, described sliding sleeve can be enclosed within on the described bottom supporting rod axially slidably;

First rear linking rod, second rear linking rod, the rear portion of the upper end of described first rear linking rod and described first front frame is rotatably connected, the bottom of described first rear linking rod and described sliding sleeve are rotatably connected, the rear portion of the upper end of described second rear linking rod and described second front frame is rotatably connected, and the bottom of described second rear linking rod and described sliding sleeve are rotatably connected;

First rear pole, second rear pole, the upper end of described first rear pole and described sliding sleeve are rotatably connected, and the upper end of described second rear pole and described sliding sleeve are rotatably connected;

First after poppet, second after poppet, the leading section of described first after poppet is connected rotationally with the front portion of described bottom supporting rod, the rearward end of described first after poppet is connected rotationally with the bottom of described first rear pole, the leading section of described second after poppet is connected rotationally with the front portion of described bottom supporting rod, and the rearward end of described second after poppet is connected rotationally with the bottom of described second rear pole.

Because technique scheme utilization, the present invention compared with prior art has following advantage: during Folding trolley, push rod front frame upset relatively, and sliding sleeve can be along bottom supporting rod to front slide, and the bottom of rear linking rod and the upper end of rear pole also move forward with sliding sleeve, so length and thickness after go-cart is folding are all shorter, packaging volume is just smaller.

Description of drawings

Accompanying drawing 1 is the block diagram of the present invention under open mode;

Accompanying drawing 2 is the block diagram of the present invention under semi-collapsed condition;

Accompanying drawing 3 is the front view of the present invention under semi-collapsed condition;

Accompanying drawing 4 is the block diagram of the present invention under complete folded state;

Wherein: 1, first push rod; 1 ', second push rod; 2, first front frame; 2 ', second front frame; 3, first rear linking rod; 3 ', second rear linking rod; 4, bottom supporting rod; 5, first rear pole; 5 ', second rear pole; 6, first after poppet; 6 ', second after poppet; 7, sliding sleeve; 8, front-wheel; 9, first trailing wheel; 9 ', second trailing wheel; 10, first connecting rod; 10 ', second connecting rod; 11, seat pocket;

The specific embodiment

The invention provides a kind of Foldable baby go-cart, described doll carriage mainly refers to the three-wheel doll carriage.

Referring to accompanying drawing 1-accompanying drawing 4, a kind of Foldable baby go-cart comprises vehicle frame, is arranged at seat pocket 11 on the vehicle frame, is arranged at the wheel of bottom of frame.Described vehicle frame comprises

First push rod 1, second push rod 1 ' that the left and right sides is provided with;

First front frame 2, second front frame 2 ', the front portion of these two front frames bends symmetrically to central authorities, the leading section of the rearward end of described first front frame 2 and first push rod 1 is rotatably connected, and the leading section of the rearward end of described second front frame 2 ' and second push rod 1 ' is rotatably connected;

Bottom supporting rod 4, the front portion of described bottom supporting rod 4 are rotatably connected with the leading section of described first front frame 2, the leading section of second front frame 2 ' respectively, and the leading section of described bottom supporting rod 4 is provided with front-wheel 8;

Sliding sleeve 7, described sliding sleeve 7 can be enclosed within on the described bottom supporting rod 4 axially slidably;

First rear linking rod 3, second rear linking rod 3 ', the bottom of two rear linking rods bends symmetrically to center direction, the rear portion of the upper end of described first rear linking rod 3 and described first front frame 2 is rotatably connected, the bottom of described first rear linking rod 3 and described sliding sleeve 7 are rotatably connected, the rear portion of the upper end of described second rear linking rod 3 ' and described second front frame 2 ' is rotatably connected, and the bottom of described second rear linking rod 3 ' and described sliding sleeve 7 are rotatably connected;

First rear pole 5, second rear pole 5 ', the top of two rear poles bends symmetrically to center direction, the upper end of described first rear pole 5 and described sliding sleeve 7 are rotatably connected, and the upper end of described second rear pole 5 ' and described sliding sleeve 7 are rotatably connected;

First after poppet 6, second after poppet 6 ', the front portion of two after poppets bends symmetrically to center direction, the leading section of described first after poppet 6 is connected rotationally with the front portion of described bottom supporting rod 4, the rearward end of described first after poppet 6 is connected rotationally with the bottom of described first rear pole 5, the leading section of described second after poppet 6 ' is connected rotationally with the front portion of described bottom supporting rod 4, and the rearward end of described second after poppet 6 ' is connected rotationally with the bottom of described second rear pole 5 ';

The mounting means that is provided with of first trailing wheel 9 and second trailing wheel 9 ' has two kinds: described first trailing wheel 9 is arranged on the rearward end of first after poppet 6, and described second trailing wheel 9 ' is arranged on the rearward end of second after poppet 6 '; Perhaps, first trailing wheel 9 is arranged on the bottom of described first rear pole 5, second trailing wheel 9 ' is arranged on the bottom of described second rear pole 5 '.

When folding this doll carriage, referring to accompanying drawing 2, first push rod 1 and second push rod 1 ' forwards overturn earlier; Referring to accompanying drawing 3, make then sliding sleeve 7 along bottom supporting rod 4 to front slide, the top of the top of first rear pole 5 and second rear pole 5 ' is also followed sliding sleeve 7 and is moved forward, the bottom of first rear linking rod 3 and second rear linking rod 3 ' move forward simultaneously, and be subjected to the effect of two rear linking rods, first front frame 2 and second front frame 2 ' just upset downwards are folding, and the height of whole go-cart and length all are folded to minimum state.Because front and back wheel supports on the ground folding convenient all the time.For the volume after making go-cart folding littler, transverse width after it is folding also should reach minimum state, referring to accompanying drawing 1, accompanying drawing 3, described first push rod 1, be connected with the outer end of first connecting rod 10 and the outer end of second connecting rod 10 ' on second push rod 1 ' respectively rotationally, connect rotationally between the inner end of described first connecting rod 10 and the inner end of second connecting rod 10 ', simultaneously, the leading section of first push rod 1 and second push rod 1 ' also can inwardly rotate relative to bottom supporting rod 4, therefore, by the folding relatively of two connecting rods the relative distance of winning between the push rod 1 and second push rod 1 ' also can be dwindled when folding, thereby the transverse width after making doll carriage folding is smaller, and the packaging volume of entire product is less.

Claims

1, a kind of Foldable baby go-cart comprises vehicle frame, is arranged at seat pocket [11] on the vehicle frame, is arranged at the wheel of bottom of frame, and it is characterized in that: described vehicle frame comprises

First push rod [1], second push rod [1 '];

First front frame [2], second front frame [2 '], the leading section of the rearward end of described first front frame [2] and first push rod [1] is rotatably connected, and the leading section of the rearward end of described second front frame [2 '] and second push rod [1 '] is rotatably connected;

Bottom supporting rod [4], the front portion of described bottom supporting rod [4] are rotatably connected with the leading section of described first front frame [2], the leading section of second front frame [2 '] respectively;

Sliding sleeve [7], described sliding sleeve [7] can be enclosed within on the described bottom supporting rod [4] axially slidably;

First rear linking rod [3], second rear linking rod [3 '], the rear portion of the upper end of described first rear linking rod [3] and described first front frame [2] is rotatably connected, the bottom of described first rear linking rod [3] and described sliding sleeve [7] are rotatably connected, the rear portion of the upper end of described second rear linking rod [3 '] and described second front frame [2 '] is rotatably connected, and the bottom of described second rear linking rod [3 '] and described sliding sleeve [7] are rotatably connected;

First rear pole [5], second rear pole [5 '], the upper end of described first rear pole [5] and described sliding sleeve [7] are rotatably connected, and the upper end of described second rear pole [5 '] and described sliding sleeve [7] are rotatably connected;

First after poppet [6], second after poppet [6 '], the leading section of described first after poppet [6] is connected rotationally with the front portion of described bottom supporting rod [4], the rearward end of described first after poppet [6] is connected rotationally with the bottom of described first rear pole [5], the leading section of described second after poppet [6 '] is connected rotationally with the front portion of described bottom supporting rod [4], and the rearward end of described second after poppet [6 '] is connected rotationally with the bottom of described second rear pole [5 '].

2, Foldable baby go-cart according to claim 1 is characterized in that: the leading section of described bottom supporting rod [4] is provided with front-wheel [8].

3, Foldable baby go-cart according to claim 1 is characterized in that: the rearward end of described first after poppet [6] is provided with first trailing wheel [9], and the rearward end of described second after poppet [6 '] is provided with second trailing wheel [9 '].

4, Foldable baby go-cart according to claim 1 is characterized in that: the bottom of described first rear pole [5] is provided with first trailing wheel [9], and the bottom of described second rear pole [5 '] is provided with second trailing wheel [9 '].

5, Foldable baby go-cart according to claim 1, it is characterized in that: be connected with the outer end of first connecting rod [10] and the outer end of second connecting rod [10 '] on described first push rod [1], second push rod [1 '] respectively rotationally, connect rotationally between the inner end of described first connecting rod [10] and the inner end of second connecting rod [10 '].