WO2013166818A1 - 儿童推车 - Google Patents

儿童推车 Download PDF

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Publication number
WO2013166818A1
WO2013166818A1 PCT/CN2012/084909 CN2012084909W WO2013166818A1 WO 2013166818 A1 WO2013166818 A1 WO 2013166818A1 CN 2012084909 W CN2012084909 W CN 2012084909W WO 2013166818 A1 WO2013166818 A1 WO 2013166818A1
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WO
WIPO (PCT)
Prior art keywords
push rod
wheel bracket
seat
working position
front wheel
Prior art date
Application number
PCT/CN2012/084909
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English (en)
French (fr)
Inventor
顾小聪
钱伟桉
Original Assignee
好孩子儿童用品有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 好孩子儿童用品有限公司 filed Critical 好孩子儿童用品有限公司
Priority to US14/399,869 priority Critical patent/US9168939B2/en
Priority to EP12876091.5A priority patent/EP2848494B1/en
Publication of WO2013166818A1 publication Critical patent/WO2013166818A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
    • B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
    • B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
    • B62B9/20—Handle bars; Handles
    • B62B9/203—Handle bars; Handles movable from front end to rear end position

Definitions

  • the invention relates to a stroller.
  • the main body of the stroller generally includes a frame, a seat mounted on the frame, and a wheel mounted on the bottom of the frame.
  • the frame mainly includes a push rod, a front wheel bracket, and a rear wheel bracket. For ease of use, there is currently a push cart that can be reversed.
  • the baby stroller disclosed in 99226992.X has a front leg, a front wheel, a rear wheel, a rear wheel, a push rod, and an upper part of the front leg is connected with a connecting piece, and an upper part of the rear leg is also connected with the connecting piece, and the lower part of the push rod is
  • the connectors are movably connected.
  • the push rod realizes front and rear reversing by the rotation of the opposite connecting member.
  • the present invention provides a stroller including a frame, a seat disposed on the frame, a front wheel and a rear wheel disposed at the bottom of the frame, the frame including a push rod, and the upper portion rotatably coupled to
  • the front wheel bracket of the front wheel is mounted on the lower end of the push rod
  • the rear wheel bracket of the rear wheel is mounted on the lower end
  • the seat cushion rod which is connected to the rear part of the front wheel bracket and the rear wheel bracket is connected at the lower side, and the seat is located above the seat cushion rod.
  • the push rod is provided with a slide member slidable along the push rod, and the slide member is rotatably connected to the rear wheel bracket.
  • the push rod has a first working position and a second working position, and the push rod is switchable from the first working position to the second working position by the rotation of the push rod relative to the front wheel bracket, and vice versa, and, in the first working position
  • the upper part of the push rod is located at the upper rear of the seat, and in the second working position, the upper part of the push rod is located at the front upper side of the seat.
  • the push rod When the cart is being forwardly pushed, the upper part of the push rod is positioned at the upper rear of the seat, and when the reverse cart is required, the push rod is rotated relative to the front wheel bracket, and the slider on the push rod is moved under the pulling of the rear wheel bracket At the same time, the rear wheel bracket is also rotated relative to the seat cushion bar under the pulling of the sliding member until the push rod is rotated to the second working position and the push rod is positioned.
  • the slider is preferably located above the position of the push rod that is coupled to the front wheel bracket, and the slider slides down the push rod as the push rod changes from the first working position to the second working position.
  • the sliding member may be a sliding sleeve that is sleeved on the push rod.
  • sliding member and the rear wheel bracket are rotatably connected by a first rotating shaft
  • front wheel bracket and the push rod through are rotatably connected via a second rotating shaft
  • the axis of the first rotating shaft is parallel to the axis of the second rotating shaft.
  • the seat cushion rod and the rear wheel bracket are rotatably connected by a third rotating shaft, and the axis of the third rotating shaft is parallel to the axis of the first rotating shaft.
  • the present invention has the following advantages: another technical solution is adopted, in which the push rod rotates relative to the front wheel bracket, the slider moves relative to the push rod while the push rod rotates, and the rear wheel bracket follows The rotation causes the push rod to change position when the frame is deployed, so that the cart can be reversibly pushed.
  • the above-mentioned structure is simple in overall construction, and no component hinders the folding of the frame.
  • FIG. 1 is a schematic view showing a forward state of a stroller according to an embodiment of the present invention
  • FIG. 2 is a schematic view showing the reverse state of the stroller shown in Figure 1;
  • Figure 3 is a front view of a stroller in accordance with another embodiment of the present invention.
  • Figure 4 is a reverse state view of the stroller of Figure 3.
  • Embodiment 1 is shown in FIG. 1-2, which schematically shows the structure of a one-way folded stroller including a frame, a seat disposed on the frame, and a bottom portion of the frame.
  • the frame includes a push rod 1, a front wheel bracket 2 whose upper portion is rotatably coupled to the push rod 1 and a lower end connected to the front wheel 8, a rear wheel bracket 3 whose lower end is connected to the rear wheel 9, and a front portion connected to the front wheel bracket 2 and the rear portion
  • the seat cushion 6 is rotatably coupled to the rear wheel bracket 3, and the seat is located above the seat cushion rod 6. Since the construction and mounting manner of the seat has been well known to those skilled in the art, the seat is not shown in the drawings.
  • a seat back bar 6 is also connected to a backrest bar 7, and the seat is supported by the seat cushion bar 6 and the backrest bar 7.
  • the push rod 1 Due to the rotation of the push rod 1 relative to the front wheel carrier 2, the push rod 1 has a first working position and a second working position and is convertible between the two working positions.
  • the first working position is as shown in Fig. 1.
  • the upper part of the push rod 1 is located at the rear upper side of the seat
  • the second working position is as shown in Fig. 2
  • the upper part of the push rod 1 is located at the front upper side of the seat.
  • the "front” and "back” as referred to herein and elsewhere herein are defined in accordance with the user's habits, with the left side in FIG. 1 being the front side and the right side being the back side.
  • a sliding member is slidably disposed on the push rod 1 along the push rod 1, and the sliding member is rotatably coupled to the rear wheel bracket 3.
  • the slider is a sliding sleeve 4 which is sleeved on the push rod 1 and the sliding sleeve 4 is located at the position of the push rod 1 which is connected to the front wheel bracket 2.
  • the sliding sleeve 4 and the rear wheel bracket 3 are rotatably connected by the first rotating shaft 5, and the front wheel bracket 2 and the push rod 1 are rotatably connected by the second rotating shaft 10, the axis of the first rotating shaft 5 and the axis of the second rotating shaft 10 Parallel.
  • the seat cushion rod 6 and the rear wheel bracket 3 are rotatably connected by the third rotating shaft 11, and the axis of the third rotating shaft 11 is parallel to the axis of the first rotating shaft 5.
  • the push rod 1 Under normal conditions, the push rod 1 is in the first working position shown in FIG. 1, and the reversing push rod 1 can be changed to the second working position shown in FIG. 2, and the reversing method is as follows: the push rod 1 is along the FIG. The direction indicated by the arrow A is rotated relative to the front wheel bracket 2, and the rear wheel bracket 3 is rotated relative to the seat cushion rod 6 in the direction indicated by the arrow C in FIG. 1 by the sliding sleeve 4, and at the same time, the sliding sleeve 4 will Moves relative to the push rod 1 in the direction indicated by the arrow B in FIG. When the pusher 2 is reversed, as shown in Fig. 2, the rear wheel bracket 3 is also rotated to a suitable position, so that the balance of the reverse push cart is maintained and the appearance is also beautiful.
  • the front portion of the seat cushion 6 and the front wheel bracket 2 may also be rotatably connected, but preferably between the seat cushion rod 6 and the front wheel bracket 2 during the reversing of the push rod 1 Should be relatively immobile.
  • Embodiment 2 differs from Embodiment 1 in that the cart is bi-folded, and an X-shaped bottom bracket 12 is disposed at the bottom of the frame.
  • the bracket 12 is composed of two connecting rods which are intersected and rotatably connected at the intersection, and the two ends of each connecting rod are respectively connected to the front wheel bracket 2 and the rear wheel bracket 3 on the opposite sides, respectively, in the folding push When the car is in use, the bottom bracket 12 will also be closed.
  • the commutation mode of the push rod 1 in this embodiment is directly referred to the commutation mode described in Embodiment 1.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
  • Handcart (AREA)

Abstract

一种儿童推车，包括车架、设置于车架上的座位、位于车架底部的前轮（8）和后轮（9），其中车架包括推杆（1）、上部可转动地连接于推杆（1）且下端连接前轮（8）的前轮支架（2）、下端连接后轮（9）的后轮支架（3）、前部连接于前轮支架且后部与后轮支架相转动连接的座垫杆（6）。推杆上可沿推杆滑动地设置一滑动件（4），滑动件与后轮支架相转动连接。推杆具有第一工作位置和第二工作位置，在第一工作位置下，推杆的上部位于座位的后上方，在第二工作位置下，推杆的上部位于座位的前上方。推杆换向时，将推杆相对前轮支架转动，推杆上的滑动件在后轮支架的牵拉下移动，后轮支架也在滑动件的牵拉下相对座垫杆转动。该推车的结构整体构造简单，且没有部件对车架的折叠构成阻碍。

Description

儿童推车
技术领域
本发明涉及一种儿童推车。
背景技术
儿童推车的主体一般包括车架、安装在车架上的座位以及安装在车架底部的车轮，车架则主要包括推杆、前轮支架、后轮支架。为使用方便，目前已有推杆可换向的儿童推车。
如实用新型专利ZL 99226992.X公开的童车，其包前腿、前轮、后轮、后轮、推杆，前腿的上部连接一连接件，后腿的上部也与该连接件相连接，推杆的下部与该连接件相活动连接。推杆通过相对连接件的转动来实现前、后换向。
发明内容
本发明的目的是提供一种能换向推的儿童推车。
为达到上述目的，本发明提供一种儿童推车，包括车架、设置于车架上的座位、设置于车架底部的前轮和后轮，车架包括推杆、上部可转动地连接于推杆且下端安装前轮的前轮支架、下端安装后轮的后轮支架、前部连接于前轮支架后部与后轮支架相转动连接的座垫杆，座位位于座垫杆的上方。推杆上设置有一可沿推杆滑动的滑动件，滑动件与后轮支架可转动地相连接。推杆具有第一工作位置和第二工作位置，通过推杆相对前轮支架的转动使得推杆可从第一工作位置转换到第二工作位置，反之亦然，并且，在第一工作位置下，推杆的上部位于座位的后上方，在第二工作位置下，推杆的上部位于座位的前上方。在正向推车时，将推杆的上部定位于座位的后上方，需要反向推车时，将推杆相对前轮支架转动，推杆上的滑动件在后轮支架的牵拉下移动，同时，后轮支架也在滑动件的牵拉下相对座垫杆转动，直至推杆转动到第二工作位置并将推杆定位，即可。
进一步地，滑动件最好位于推杆的与前轮支架连接的位置的上方，在推杆从第一工作位置向第二工作位置变化时，滑动件沿推杆向下滑移。
进一步地，滑动件可以是套设在推杆上的滑套。
进一步地，滑动件与后轮支架可以通过一第一转轴相转动连接，前轮支架与推杆通可以过一第二转轴相转动连接，第一转轴的轴线与第二转轴的轴线相平行。
更进一步地，座垫杆与后轮支架通过一第三转轴相转动连接，第三转轴的轴线与第一转轴的轴线相平行。
与现有技术相比，本发明具有下列优点：采用了另一种构思的技术方案，通过推杆相对前轮支架转动、滑动件在推杆转动的同时相对推杆移动、后轮支架随之转动，使得推杆在车架展开时可以改变位置，从而使推车可以换向推，以上所述的这种结构整体构造简单，且没有部件对车架的折叠构成阻碍。
附图说明
附图1 是根据本发明的一种实施例的儿童推车的正向状态示意图；
附图2是图1所示儿童推车的反向状态示意图；
附图3是根据本发明的另一实施例的儿童推车的正向状态图；
附图4是图3所示儿童推车的反向状态图。
其中：1. 推杆；2. 前轮支架；3. 后轮支架；4. 滑套；5. 第一转轴；6. 座垫杆；7. 靠背杆；8. 前轮；9. 后轮；10. 第二转轴；11. 第三转轴；12. 底撑架。
具体实施方式
下面结合附图对根据本发明的优选实施例的儿童推车进行描述。
实施例1见图1-2所示，图中示意性的显示一种单向折叠的儿童推车的结构，该儿童推车包括车架、设置于车架上的座位、位于车架底部的前轮8和后轮9。车架包括推杆1、上部可转动地连接于推杆1且下端连接前轮8的前轮支架2、下端连接后轮9的后轮支架3、前部连接于前轮支架2且后部与后轮支架3相转动连接的座垫杆6，座位即位于座垫杆6的上方，由于本领域技术人员早已熟知座位的构造和安装方式，因而，未在附图中显示出座位。
如图1和图2所示的那样，通常，座垫杆6上还连接一靠背杆7，座位即由座垫杆6和靠背杆7支撑。
由于推杆1相对前轮支架2的转动，使得推杆1具有第一工作位置和第二工作位置并可在两个工作位置之间相互转换。第一工作位置如图1所示，推杆1的上部位于座位的后上方，第二工作位置如图2所示，推杆1的上部位于座位的前上方。此处及本文其它各处所指的“前”、“后”是根据使用者的习惯来定义的，图1中的左侧即为前侧，右侧即为后侧。
推杆1上可沿推杆1滑动地设置有一滑动件，该滑动件与后轮支架3相转动连接。在图1和图2所示的优选实施例中，滑动件为滑套4，该滑套4套设在推杆1上，且滑套4位于推杆1的与前轮支架2连接的位置的上方。
理想地，滑套4与后轮支架3通过第一转轴5相转动连接，前轮支架2与推杆1通过第二转轴10相转动连接，第一转轴5的轴线与第二转轴10的轴线相平行。
进一步地，座垫杆6与后轮支架3通过第三转轴11相转动连接，第三转轴11的轴线与第一转轴5的轴线相平行。
在一般状况下，推杆1处于图1所示的第一工作位置，换向后推杆1可以变换到图2所示的第二工作位置，换向方法为：将推杆1沿图1中的箭头A所示的方向相对前轮支架2转动，通过滑套4的带动，后轮支架3相对座垫杆6沿图1中的箭头C所示的方向转动，同时，滑套4会沿图1中的箭头B所示的方向相对推杆1移动。当推杆2换向后，如图2所示，后轮支架3也转动到一合适的位置，使得反向推的推车平衡性得以保持，且外形也漂亮。
为便于折叠该推车，座垫杆6的前部与前轮支架2也可以采用可转动的连接，但是在推杆1换向的过程中座垫杆6与前轮支架2之间最好应相对不动。
为使车架在展开时（无论推杆1正向或反向）结构稳定，最好应通过一锁定机构来将车架锁定，该锁定机构可以跟滑套4或其它杆件连接位置相关联，本领域技术人员早已熟知多种锁定机构的结构设计及操作方式，因而在此不再采用附图作进一步的详细介绍。
图3-4反映了根据本发明的实施例2，实施例2与实施例1的区别在于：该推车是双向折叠的，在车架的底部设置有X形的底撑架12，该底撑架12由两根相交叉并在交叉处相转动连接的连杆构成，每根连杆的两端分别对应地连接到位于相反侧的前轮支架2和后轮支架3上，在折叠推车时，底撑架12也会收拢。该实施例中的推杆1的换向方式直接参照实施例1中介绍的换向方式。
以上对本发明的特定实施例结合图示进行了说明，很明显，在不离开本发明的范围和精神的基础上，可以对现有技术和工艺进行很多修改。在本发明的所属技术领域中，只要掌握通常知识，就可以在本发明的技术要旨范围内，进行多种多样的变更。

Claims (5)

1. 一种儿童推车，包括车架、设置于车架上的座位、设置于车架底部的前轮和后轮，所述车架包括推杆、上部可转动地连接于推杆且下端安装前轮的前轮支架、下端安装后轮的后轮支架、前部连接于前轮支架且后部与后轮支架相转动连接的座垫杆，所述座位安置于座垫杆的上方，其特征在于：所述推杆上设置有一可沿推杆滑动的滑动件，所述滑动件与后轮支架可转动地相连接，所述推杆具有第一工作位置和第二工作位置，推杆通过相对前轮支架的转动可在第一工作位置和第二工作位置之间相互变换，在第一工作位置下，所述推杆的上部位于座位的后侧上方，在第二工作位置下，所述推杆的上部位于座位的前侧上方。
2. 根据权利要求1所述的儿童推车，其特征在于：滑动件位于推杆的与前轮支架的连接位置的上方。
3. 根据权利要求1所述的儿童推车，其特征在于：滑动件为套设在推杆上的滑套。
4. 根据权利要求1-3之一所述的儿童推车，其特征在于：滑动件与后轮支架通过一第一转轴相转动连接，前轮支架与推杆通过一第二转轴相转动连接，第一转轴的轴线与第二转轴的轴线相平行。
5. 根据权利要求4所述的儿童推车，其特征在于：座垫杆与后轮支架通过一第三转轴相转动连接，第三转轴的轴线与第一转轴的轴线相平行。
PCT/CN2012/084909 2012-05-09 2012-11-20 儿童推车 WO2013166818A1 (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US14/399,869 US9168939B2 (en) 2012-05-09 2012-11-20 Baby carriage
EP12876091.5A EP2848494B1 (en) 2012-05-09 2012-11-20 Child stroller

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Application Number Priority Date Filing Date Title
CN201210141583.0A CN103386999B (zh) 2012-05-09 2012-05-09 儿童推车
CN201210141583.0 2012-05-09

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US (1) US9168939B2 (zh)
EP (1) EP2848494B1 (zh)
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WO (1) WO2013166818A1 (zh)

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CN102923174B (zh) * 2012-10-31 2015-10-21 好孩子儿童用品有限公司 幼儿推车
GB2516906A (en) * 2013-08-06 2015-02-11 Mamas & Papas Holdings Ltd Child support apparatus
CN103707912A (zh) * 2013-12-17 2014-04-09 好孩子儿童用品有限公司 一种可换向的儿童推车
CN104943724B (zh) * 2014-03-31 2017-08-08 明门(中国)幼童用品有限公司 车架
CN205273564U (zh) * 2015-11-10 2016-06-01 好孩子儿童用品有限公司 儿童推车
US10252738B2 (en) * 2016-06-01 2019-04-09 Greg Diep Stroller pulling handle system
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CN106945709A (zh) * 2017-05-07 2017-07-14 昆山曼禾儿童用品设计有限公司 一种新型折叠式婴儿推车推杆换向机构
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CN113085988B (zh) * 2019-12-23 2023-06-20 明门瑞士股份有限公司 婴儿车架
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CN103386999A (zh) 2013-11-13
US9168939B2 (en) 2015-10-27
EP2848494A1 (en) 2015-03-18

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