WO2007071141A1 - Poussette pour enfant en bas age - Google Patents

Poussette pour enfant en bas age Download PDF

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Publication number
WO2007071141A1
WO2007071141A1 PCT/CN2006/002566 CN2006002566W WO2007071141A1 WO 2007071141 A1 WO2007071141 A1 WO 2007071141A1 CN 2006002566 W CN2006002566 W CN 2006002566W WO 2007071141 A1 WO2007071141 A1 WO 2007071141A1
Authority
WO
WIPO (PCT)
Prior art keywords
front wheel
seat
rotatably connected
push
end portion
Prior art date
Application number
PCT/CN2006/002566
Other languages
English (en)
French (fr)
Inventor
Zhenghuan Song
Haidong Shen
Original Assignee
Goodbaby Child Products Co., Ltd.
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 Goodbaby Child Products Co., Ltd. filed Critical Goodbaby Child Products Co., Ltd.
Publication of WO2007071141A1 publication Critical patent/WO2007071141A1/zh

Links

Classifications

    • 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
    • B62B7/08—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis
    • B62B7/083—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis the wheel axes being moved from each other during folding
    • 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
    • B62B7/068—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable by sliding a bushing along a rod, e.g. like folding means of an umbrella
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B2205/00—Hand-propelled vehicles or sledges being foldable or dismountable when not in use
    • B62B2205/12—Collapsible wheels
    • 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
    • B62B7/044—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor three wheeled
    • 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
    • B62B7/062—Coupling unit between front wheels, rear wheels and handle
    • 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
    • B62B9/206—Handle bars; Handles with two separate bars, i.e. not interconnected

Definitions

  • the invention relates to a stroller. Background technique
  • a stroller of the prior art includes a cart frame, a front wheel assembly, a rear wheel assembly, the cart frame including a front wheel bracket, and side brackets on both sides of the front wheel bracket, each side
  • the side bracket includes a rear wheel bracket and a lower push rod
  • the front wheel assembly is disposed on the front wheel bracket
  • the rear wheel assembly is disposed on the rear wheel bracket, and is generally arranged for transportation
  • the frame is designed to be foldable to a smaller volume, so that the front wheel bracket, the rear wheel bracket and the lower push rod are usually arranged to be foldable, and the side brackets on both sides are also designed to be relatively foldable. .
  • WO 2004/097282 also discloses a frame of a cart, which has a folded front wheel at the front, which makes folding inconvenience. Summary of the invention
  • An object of the present invention is to provide a stroller which is small in size after folding, and which has a simple structure and a convenient folding.
  • a stroller comprising a cart frame, a front wheel assembly, a rear wheel assembly, the cart frame comprising side brackets on both sides of the cart frame, a front wheel bracket located between the side brackets on the two sides, the side bracket includes a rear wheel bracket and a lower push rod, and the front wheel assembly is disposed at a front end portion of the front wheel bracket
  • the rear wheel assembly is disposed at a lower end portion of the rear wheel bracket, and a rear end portion of the front wheel bracket is connected with a connecting seat, and a lower end portion of the push-down lever is opposite to the splicing seat
  • the front wheel bracket is slidably disposed in a sliding direction thereof in a front-rear direction thereof, and an upper end portion of the rear wheel bracket is rotatably coupled to the sliding sleeve
  • the side bracket further includes an upper link and a lower link, wherein a rear end portion of the upper link is rotatably connected to the push-down lever
  • the front wheel bracket is a single piece and the rear portion thereof is fixedly coupled to the connecting seat and formed integrally.
  • the front wheel bracket has two, and the rear portions of the two front wheel brackets are respectively rotatably connected to the connecting seat, and the two front wheel brackets respectively and the sliding sleeve Both sides are slidably disposed.
  • the two sides of the sliding sleeve are respectively provided with through holes, and the front wheel brackets of each side are respectively slidably inserted into the through holes of the corresponding sides.
  • Each side of the through hole has a limiting surface.
  • a seat rod connecting member is rotatably connected to the upper link of each side, a seat rod is slidably coupled to the seat rod connecting member, and a rear end portion of the seat rod and the connecting seat are Connected, the seat pole is provided with a seat.
  • the rear end portion of the seat post is rotatably coupled to the connecting seat.
  • the push-down lever is provided with an upper push lever. When the cart frame is deployed, the push-up lever and the push-down lever are relatively locked.
  • a foldable rear support is disposed between the push-down levers on the two sides, and the two outer ends of the rear support are respectively rotatably connected to the push-down levers on the corresponding sides.
  • the connecting seat has a first rotation preventing member, and the lower connecting rod abuts against the first rotation preventing member when the trolley frame is deployed.
  • the connecting seat has a second rotation preventing member, and the push-down lever is abutted on the second rotation preventing member when the trolley frame is deployed.
  • the connecting seat has a first connecting portion extending laterally to both sides, and the lower end portions of the push-down levers on each side are respectively rotatably connected with the first connecting portions on the respective sides, and the lower connecting rods of each side are respectively The upper ends are also rotatably connected to the respective first connecting portions on the respective sides.
  • the sliding sleeve has a second connecting portion extending laterally to both sides, and the front end portions of the upper connecting rods on each side are rotatably connected to the second connecting portions on the respective sides, and the upper end of the rear wheel bracket on each side The portions are also rotatably connected to the second connecting portions on the respective sides.
  • the present invention has the following advantages: since the folding sleeve is only required to slide the sliding sleeve forward along the front wheel bracket, and the sliding sleeve drives the rear wheel bracket, Under the action of the rod and the lower link, the push-down lever and the rear wheel bracket can be folded and folded relative to the front wheel bracket, the structure is simple, and can be folded to a small volume, after folding, The front wheel assembly is on the front side and the rear wheel assembly is on the rear side, so the front and rear wheels can form a support for the vehicle body, which is convenient for folding.
  • Figure 1 is a developed perspective view of the present invention (first embodiment);
  • Figure 2 is a perspective view of a half fold of the present invention (first embodiment);
  • Figure 3 is a schematic view of a half fold of the present invention (first embodiment);
  • Figure 4 is a K-direction view of Figure 3;
  • Figure 5 is a schematic view of the folding of the present invention (first embodiment).
  • Figure 6 is a developed perspective view of the present invention (second embodiment).
  • Figure 7 is a schematic view of the front wheel bracket and the sliding sleeve in the unfolded position and the folded position (second embodiment).
  • a stroller includes a stroller frame 1, a front wheel assembly 2, a rear wheel assembly 3, and the stroller frame 1 is located on both sides of the stroller frame 1.
  • the upper end portion of the rear wheel bracket 5 is rotatably connected to the sliding sleeve 8
  • the side bracket 18 further includes an upper connecting rod 10 .
  • a lower link 11 a rear end portion of the upper link 10 is rotatably coupled to the lower push lever 6
  • a front end portion of the upper link 10 is rotatably coupled to the sliding sleeve 8
  • the upper end portion of the lower link 11 is rotatably connected to the connecting seat 25, and the lower end portion of the lower link 11 is rotatably connected to the rear wheel bracket 5.
  • a stroller includes a cart frame 1, a front wheel assembly 2, a rear wheel assembly 3, and the cart frame 1 is included a side bracket 18 on both sides of the cart frame 1 and a front wheel bracket 4 between the side brackets 18 on the two sides, the side bracket 18 includes a rear wheel bracket 5 and a lower push lever 6
  • the front wheel assembly 2 is disposed at a front end portion of the front wheel bracket 4, and the rear wheel assembly 3 is disposed at a lower end portion of the rear wheel bracket 5.
  • the rear end portion of the front wheel bracket 4 is connected with a connecting seat 25, and the front wheel bracket 4 is a single piece and the rear portion thereof is fixedly connected to the connecting seat 25 and formed integrally.
  • the lower end portion of the push-down lever 6 is rotatably connected to the connecting seat 25, and the front wheel bracket 4 is slidably disposed in the front-rear direction thereof with a sliding sleeve 8, and the rear wheel bracket 5
  • the upper end portion is rotatably connected to the sliding sleeve 8.
  • the side bracket 18 further includes an upper connecting rod 10 and a lower connecting rod 11, and the rear end portion of the upper connecting rod 10 is pushed down.
  • the rod 6 is rotatably connected to each other, and the front end portion of the upper link 10 is rotatably connected to the sliding sleeve 8, and the upper end portion of the lower link 11 is rotatably coupled to the connecting seat 25.
  • the lower end portion of the lower link 11 is rotatably connected to the rear wheel bracket 5.
  • the upper link 10 on each side is rotatably coupled to the seat post connector 16, and the seat bar connector 16 is slidably coupled to the seat bar 13, the seat The rear end portion of the rod 13 is connected to the connecting seat 25, and the seat rod 13 is provided with a seat. The rear end portion of the seat rod 13 and the connecting seat 25 Rotating in phase.
  • the push-down stalk is disposed on the stalk 6 with a push-up lever 7.
  • the push-up lever 7 is slidably disposed on the lower pusher lever 6, and is also rotatably disposed on the lower pusher lever 6. The purpose of this structure is to allow the cart frame to be folded into a smaller volume, while the height of the stroller is easier for the user to deploy.
  • a foldable rear brace 12 is disposed between the push-down levers 6 on the two sides, and the two outer ends of the rear brace 12 are respectively rotatably connected to the push-down levers 6 on the corresponding sides.
  • the back brace 12 described makes the stroller more stable when deployed.
  • the connecting seat 25 has a first rotation preventing member 19, and when the trolley frame 1 is deployed, the lower link 11 abuts against the first rotation preventing member 19 on.
  • the connecting seat 25 has a second rotation preventing member 20, and the push-down lever 6 abuts against the second rotation preventing member 20 when the trolley frame 1 is deployed. Through the first rotation member 19 and the second rotation member 20, the stroller is unfolded and stabilized when deployed.
  • the connecting seat 25 has a first connecting portion 23 extending laterally to both sides, and the lower end portions of the push-down levers 6 on each side are rotatably connected to the first connecting portions 23 on the respective sides, respectively.
  • the upper ends of the lower links 11 are also rotatably connected to the respective first connecting portions 23 on the respective sides.
  • the first rotation preventing member 19 and the second rotation preventing member 20 are disposed on the first connecting portions 23 on both sides.
  • the sliding sleeve 8 has a second connecting portion 24 extending laterally to both sides, and the front end portions of the upper links 10 on each side are rotatably connected to the second connecting portions 24 on the respective sides, respectively.
  • the upper ends of the wheel brackets 5 are also rotatably connected to the second connecting portions 24 of the respective sides.
  • the stroller is further provided with a locking mechanism that locks the stroller in the deployed position.
  • the locking mechanism When the locking mechanism is unlocked, as shown in Figures 2 - 4, the stroller can be folded, as shown in Figure 5, the final stroller can be folded to a smaller volume.
  • the locking mechanism may be provided with a locking pin slidingly on the lower pushing lever 6, and a locking hole is formed in the connecting seat 25, and the lower pushing lever 6 is provided with Controlling the control member of the locking pin, when locked, the locking pin is inserted in the In the keyhole, when unlocked, the locking pin is disengaged from the locking hole.
  • a stroller includes a cart frame 1, a front wheel assembly 2, a rear wheel assembly 3, and the cart frame 1 includes a side bracket 18 on both sides of the cart frame 1 and a front wheel bracket 4 between the side brackets 18 on the two sides, the side bracket 18 includes a rear wheel bracket 5 and a lower push lever 6
  • the front wheel assembly 2 is disposed at a front end portion of the front wheel bracket 4, and the rear wheel assembly 3 is disposed at a lower end portion of the rear wheel bracket 5.
  • the rear end portion of the front wheel bracket 4 is connected with a connecting seat 25, and the lower end portion of the push-down lever 6 is rotatably connected to the connecting seat 25, and the front wheel bracket 4 is along the same a sliding sleeve 8 is slidably disposed in the front-rear direction, the front wheel bracket 4 has two, and the rear portions of the two front wheel brackets 4 are rotatably connected to the connecting seat 25, respectively.
  • the two front wheel brackets 4 are respectively slidably disposed on both side portions of the sliding sleeve 8 , and the upper end portion of the rear wheel bracket 5 is rotatably connected to the sliding sleeve 8.
  • the side bracket 18 further includes an upper connecting rod 10 and a lower connecting rod 11 , and a rear end portion of the upper connecting rod 10 is rotatably connected with the lower push rod 6 , and the upper connecting rod 10 is The front end portion is rotatably connected to the sliding sleeve 8, and the upper end portion of the lower link 11 is rotatably connected to the connecting seat 25, and the lower end portion of the lower link 11 and the rear portion are The wheel brackets 5 are rotatably connected.
  • the two sides of the sliding sleeve 8 are respectively provided with through holes 27, and the front wheel brackets 4 of each side are slidably inserted into the through holes 27 of the respective sides.
  • the through hole 27 on each side has a limiting surface 28 therein.
  • a seat rod connecting member 16 is rotatably connected to the upper connecting rod 10 of each side, and a seat rod 13 is slidably coupled to the seat rod connecting member 16, and a rear end portion of the seat rod 13 is The connecting seats 25 are connected, and the seat rod 13 is provided with a seat. The rear end portion of the seat post 13 is rotatably coupled to the connecting base 25.
  • the push-down lever 6 is provided with an upper push lever 7 which is movable between the push-up lever 7 and the lower push lever 6 when the cart frame 1 is deployed. locking.
  • the push-up lever 7 is slidably disposed on the lower pusher lever 6, and is also rotatably disposed on the lower pusher lever 6.
  • the purpose of this structure is to make the cart frame available. To fold to a smaller volume, the stroller's twist is easier for the user to deploy.
  • a foldable rear brace 12 is disposed between the push-down levers 6 on the two sides, and the two outer ends of the rear brace 12 are respectively rotatably connected to the push-down levers 6 on the corresponding sides.
  • the back brace 12 described makes the stroller more stable when deployed.
  • the connecting seat 25 has a first rotation preventing member 19, and the lower link 11 abuts against the first rotation preventing member 19 when the trolley frame 1 is deployed.
  • the connecting seat 25 has a second rotation preventing member 20, and the push-down lever 6 abuts against the second rotation preventing member 20 when the trolley frame 1 is deployed.
  • the connecting seat 25 has a first connecting portion 23 extending laterally to both sides, and the lower end portions of the push-down levers 6 on each side are rotatably connected to the first connecting portions 23 on the respective sides, respectively.
  • the upper ends of the lower links 11 are also rotatably connected to the respective first connecting portions 23 on the respective sides.
  • the first rotation preventing member 19 and the second rotation preventing member 20 are disposed on the first connecting portions 23 on both sides.
  • the sliding sleeve 8 has a second connecting portion 24 extending laterally to both sides, and the front end portions of the upper links 10 on each side are rotatably connected to the second connecting portions 24 on the respective sides, respectively.
  • the upper ends of the wheel brackets 5 are also rotatably connected to the respective second connecting portions 24 on the respective sides.
  • the stroller is further provided with a locking mechanism that locks the stroller in the deployed position.
  • the locking mechanism may be provided with a locking pin slidingly on the lower pushing lever 6, and a locking hole is formed in the connecting seat 25, and the lower pushing lever 6 is provided with The control member for controlling the locking pin is inserted into the locking hole when locked, and the locking pin is disengaged from the locking hole when unlocked.

Description

儿童推车
技术领域
本发明涉及一种儿童推车。 背景技术
现有技术中的儿童推车， 包括推车车架、 前轮组件、 后轮组件， 所述的推车车架包括前轮支架、位于所述的前轮支架两侧的侧支架， 每侧的侧支架包括后轮支架、 下推把杆， 所述的前轮组件设置在所 述的前轮支架上， 所述的后轮组件设置在所述的后轮支架， 为了便 于运输通常将整车车架设计成可折叠至较小的体积， 因而通常将前 轮支架、 后轮支架及下推把杆之间设置成可折叠， 同时还将两侧的 侧支架之间设计成可相对折叠。 为了便于使用者折叠操作， 通常还 需在推车车架上设置驱动机构， 使得使用者将前轮支架、 后轮支架 及下推把杆之间折叠时， 通过驱动机构可同时使得两侧的侧支架之 间相对折叠，驱动机构使得推车车架的结构较复杂。 WO2004/097282 还公开了一种推车的车架， 其折叠后车轮都在前部， 造成了折叠的 不方便。 发明内容
本发明目的是提供一种儿童推车， 其折叠后体积较小， 并且推 车车架结构简单， 折叠方便。
本发明的技术方案是： 一种儿童推车， 包括推车车架、 前轮组 件、 后轮组件， 所述的推车车架包括位于所述的推车车架两侧部的 侧支架、 位于所述的两侧的侧支架之间的前轮支架， 所述的侧支架 包括后轮支架、 下推把杆， 所述的前轮组件设置在所述的前轮支架 的前端部， 所述的后轮组件设置在所述的后轮支架的下端部， 所述 的前轮支架的后端部连接有连接座， 所述的下推把杆的下端部与所 述的逹接座相转动地连接， 所述的前轮支架上沿其前后方向滑动地 设置有滑动套， 所述的后轮支架的上端部与所述的滑动套相转动地 连接， 所述的侧支架还包括上连杆、 下连杆， 所述的上连杆的后端 部与所述的下推把杆相转动地连接， 所述的上连杆的前端部与所述 的滑动套相转动地连接， 所述的下连杆的上端部与所述的连接座相 转动地连接， 所述的下连杆的下端部与所述的后轮支架相转动地连 接。
所述的前轮支架为单根且其后部与所述的连接座相固定地连接 并且形成一个整体。
所述的前轮支架有两根， 弁且所述的两根前轮支架的后部分别 与所述的连接座相转动地连接， 所述的两根前轮支架分别与所述的 滑动套的两侧部相滑动地设置。
所述的滑动套的两侧部分别开有通孔， 每侧的前轮支架分别滑 动地插在相应侧的通孔内。
每侧的通孔内具有限位面， 当所述的推车车架处于展开状态 下， 每侧的前轮支架分别抵在相应的限位面上。
所述的每侧的上连杆上可转动地连接有座位杆连接件， 所述的 座位杆连接件上滑动地连接有座位杆， 所述的座位杆的后端部与所 述的连接座相连接， 所述的座位杆上设置有座位。
所述的座位杆的后端部与所述的连接座相转动地连接。
所述的下推把杆上活动的设置有上推把杆， 所述的推车车架展 开时， 所述的上推把杆与所述的下推把杆之间相对锁定。
所述的两侧的下推把杆之间设置有可折叠的后撑， 所述的后撑 的两个外端部分别与相应侧的下推把杆相转动地连接。
所述的连接座上具有第一止转件， 所述的推车车架展开时， 所 述的下连杆抵在所述的第一止转件上。
所述的连接座上具有第二止转件， 所述的推车车架展开时， 所 述的下推把杆抵在所述的第二止转件上。
所述的连接座具有分别向两侧横向延伸形成的第一连接部， 每 侧的下推把杆的下端部分别与相应侧的第一连接部相转动地连接， 每侧的下连杆的上端部也分别与相应侧的第一连接部相转动地连 接。 所述的滑动套具有分别向两侧横向延伸形成的第二连接部， 每 侧的上连杆的前端部分别与相应侧的第二连接部相转动地连接， 每 侧的后轮支架的上端部也分别与相应侧的第二连接部相转动地连 接。
本发明与现有技术相比， 具有下列优点： 由于折叠时， 只需沿 着所述的前轮支架向前滑动所述的滑动套， 并且滑动套带动所述的 后轮支架， 在上连杆及下连杆的作用下， 所述的下推把杆及所述的 后轮支架便能相对所述的前轮支架折叠收拢， 结构简单， 并可折叠 至较小的体积， 折叠后， 前轮组件在前侧， 后轮组件在后侧， 因此 前轮和后轮可对车体形成支撑， 折叠方便。 附图说明
附图 1为本发明的展开立体图 （第一实施例）；
附图 2为本发明的半折叠立体图 （第一实施例）；
附图 3为本发明的半折叠示意图 （第一实施例）；
附图 4为附图 3的 K向看图；
附图 5为本发明的折叠示意图 （第一实施例）；
附图 6为本发明的展开立体图 （第二实施例）；
附图 7为前轮支架、滑动套在展开位置与折叠位置的示意图（第 二实施例）。
其中： 1、 推车车架； 2、 前轮组件； 3、 后轮组件； 4、 前轮支 架； 5、 后轮支架； 6、 下推把杆； 7、 上推把杆； 8、 滑动套； 10、 上连杆； 11、 下连杆； 12、 后撑； 13、 座位杆； 16、 座位杆连接件； 18、 侧支架； 19、 第一止转件； 20、 第二止转件； 23、 第一连接部； 24、 第二连接部； 25、 连接座； 27、 通孔； 28、 限位面。 具体实施方式
如各附图所示， 一种儿童推车， 包括推车车架 1、 前轮组件 2、 后轮组件 3，所述的推车车架 1包括位于所述的推车车架 1两侧部的 侧支架 18、 位于所述的两侧的侧支架 18之间的前轮支架 4 , 所述的 侧支架 18包括后轮支架 5、 下推把杆 6 , 所述的前轮组件 2设置在 所述的前轮支架 4 的前端部， 所述的后轮组件 3设置在所述的后轮 支架 5的下端部， 所述的前轮支架 4的后端部连接有连接座 25， 所 述的下推把杆 6的下端部与所述的连接座 25相转动地连接， 所述的 前轮支架 4上沿其前后方向滑动地设置有滑动套 8，所述的后轮支架 5的上端部与所述的滑动套 8相转动地连接， 所述的侧支架 18还包 括上连杆 10、 下连杆 11， 所述的上连杆 10 的后端部与所述的下推 把杆 6相转动地连接， 所述的上连杆 10的前端部与所述的滑动套 8 相转动地连接， 所述的下连杆 11 的上端部与所述的连接座 25相转 动地连接， 所述的下连杆 11的下端部与所述的后轮支架 5相转动地 连接。
实施例 一： 如附图 1-附图 4所示， 一种儿童推车， 包括推车车 架 1、 前轮组件 2、 后轮组件 3 , 所述的推车车架 1包括位于所述的 推车车架 1两侧部的侧支架 18、位于所述的两侧的侧支架 18之间的 前轮支架 4 , 所述的侧支架 18包括后轮支架 5、 下推把杆 6， 所述的 前轮组件 2设置在所述的前轮支架 4 的前端部， 所述的后轮组件 3 设置在所述的后轮支架 5 的下端部。 所述的前轮支架 4 的后端部连 接有连接座 25， 所述的前轮支架 4为单根且其后部与所述的连接座 25相固定地连接并且形成一个整体。 所述的下推把杆 6的下端部与 所述的连接座 25相转动地连接， 所述的前轮支架 4上沿其前后方向 滑动地设置有滑动套 8，所述的后轮支架 5的上端部与所述的滑动套 8相转动地连接， 所述的侧支架 18还包括上连杆 10、 下连杆 11， 所 述的上连杆 10的后端部与所述的下推把杆 6相转动地连接， 所述的 上连杆 10的前端部与所述的滑动套 8相转动地连接， 所述的下连杆 11的上端部与所述的连接座 25相转动地连接， 所述的下连杆 11的 下端部与所述的后轮支架 5相转动地连接。
如各附图所示， 所述的每侧的上连杆 10上可转动地连接有座位 杆连接件 16， 所述的座位杆连接件 16上滑动地连接有座位杆 13， 所述的座位杆 13 的后端部与所述的连接座 25相连接， 所述的座位 杆 13上设置有座位。 所述的座位杆 13的后端部与所述的连接座 25 相转动地连接。
所述的下推把秆 6上活动的设置有上推把杆 7，所述的推车车架 1展开时， 所述的上推把杆 7与所述的下推把杆 6之间相对锁定。 所 述的上推把杆 7可以滑动地设置在所述的下推把杆 6上， 也可以转 动地设置在所述的下推把杆 6 上。 这种结构目的是使推车车架可以 折叠至更小的体积， 而展开时儿童推车的高度便于使用者推行。
所述的两侧的下推把杆 6之间设置有可折叠的后撑 12， 所述的 后撑 12的两个外端部分别与相应侧的下推把杆 6相转动地连接， 所 述的后撑 12使得儿童推车处于展开状态时更加稳定。
如附图 1所示， 所述的连接座 25上具有第一止转件 19， 所述的 推车车架 1展开时， 所述的下连杆 11抵在所述的第一止转件 19上。 所述的连接座 25上具有第二止转件 20， 所述的推车车架 1展开时， 所述的下推把杆 6抵在所述的第二止转件 20上。 通过所述的第一止 转件 19与所述的第二止转件 20， 使得儿童推车展开限位， 展开时更 加稳定。
所述的连接座 25 具有分别向两侧横向延伸形成的第一连接部 23， 每侧的下推把杆 6的下端部分别与相应侧的第一连接部 23相转 动地连接， 每侧的下连杆 11的上端部也分别与相应侧的第一连接部 23相转动地连接。两侧的第一连接部 23上都设置有所述的第一止转 件 19与所述的第二止转件 20。
所述的滑动套 8具有分别向两侧横向延伸形成的第二连接部 24， 每侧的上连杆 10 的前端部分别与相应侧的第二连接部 24相转动地 连接， 每侧的后轮支架 5的上端部也分别与相应侧的第二连接部 24 相.转动地连接。
所述的儿童推车上还设置有锁定机构， 该锁定机构将所述的儿 童推车锁定于展开位置。 当将锁定机构解锁时， 如附图 2-附图 4所 示， 可将儿童推车折叠， 如附图 5 所示， 最终儿童推车可折叠至较 小体积。 比如， 所述的锁定机构可以是在所述的下推把杆 6 上滑动 地设置有锁销， 在所述的连接座 25上开有锁孔， 所述的下推把杆 6 上设置有控制所述的锁销的控制件， 锁定时， 所述的锁销插在所述 的锁孔内， 解锁时， 所述的锁销脱离所述的锁孔。
实施例二： 如附图 6、 附图 7所示， 一种儿童推车， 包括推车车 架 1、 前轮组件 2、 后轮组件 3， 所述的推车车架 1包括位于所述的 推车车架 1两侧部的侧支架 18、位于所述的两侧的侧支架 18之间的 前轮支架 4 , 所述的侧支架 18包括后轮支架 5、 下推把杆 6, 所述的 前轮组件 2设置在所述的前轮支架 4 的前端部， 所述的后轮组件 3 设置在所述的后轮支架 5 的下端部。 所述的前轮支架 4 的后端部连 接有连接座 25，所述的下推把杆 6的下端部与所述的连接座 25相转 动地连接，所述的前轮支架 4上沿其前后方向滑动地设置有滑动套 8， 所述的前轮支架 4有两根， 并且所述的两根前轮支架 4 的后部分别 与所述的连接座 25相转动地连接， 所述的两根前轮支架 4分别与所 述的滑动套 8 的两侧部相滑动地设置， 所述的后轮支架 5 的上端部 与所述的滑动套 8相转动地连接。所述的侧支架 18还包括上连杆 10、 下连杆 11 ,所述的上连杆 10的后端部与所述的下推把杆 6相转动连 接， 所述的上连杆 10的前端部与所述的滑动套 8相转动连接， 所述 的下连杆 11 的上端部与所述的连接座 25相转动地连接， 所述的下 连杆 11的下端部与所述的后轮支架 5相转动地连接。
所述的滑动套 8的两侧部分别开有通孔 27， 每侧的前轮支架 4 分别滑动地插在相应侧的通孔 27内。每侧的通孔 27内具有限位面 28， 当所述的推车车架处于展开状态下， 每侧的前轮支架 4分别抵 在相应的限位面 28上。所述的限位面 28使得儿童推车处于展开状 态时， 两侧的前轮支架 4之间能稳定地展开。
所述的每侧的上连杆 10上可转动地连接有座位杆连接件 16， 所述的座位杆连接件 16上滑动地连接有座位杆 13 , 所述的座位杆 13的后端部与所述的连接座 25相连接，所述的座位杆 13上设置有 座位。所述的座位杆 13的后端部与所述的连接座 25相转动地连接。
所述的下推把杆 6上活动的设置有上推把杆 7， 所述的推车车 架 1展开时，所述的上推把杆 7与所述的下推把杆 6之间相对锁定。 所述的上推把杆 7可以滑动地设置在所述的下推把杆 6上， 也可以 转动地设置在所述的下推把杆 6上。这种结构目的是使推车车架可 以折叠至更小的体积， 而展开时儿童推车的髙度便于使用者推行。 所述的两侧的下推把杆 6之间设置有可折叠的后撑 12， 所述的 后撑 12的两个外端部分别与相应侧的下推把杆 6相转动地连接， 所 述的后撑 12使得儿童推车处于展开状态时更加稳定。
所述的连接座 25上具有第一止转件 19 ,所述的推车车架 1展开 时， 所述的下连杆 11抵在所述的第一止转件 19上。 所述的连接座 25上具有第二止转件 20， 所述的推车车架 1展开时， 所述的下推把 杆 6抵在所述的第二止转件 20上。 通过所述的第一止转件 19与所 述的第二止转件 20， 使得儿童推车展开限位， 展开时更加稳定。
所述的连接座 25 具有分别向两侧横向延伸形成的第一连接部 23， 每侧的下推把杆 6的下端部分别与相应侧的第一连接部 23相转 动地连接， 每侧的下连杆 11的上端部也分别与相应侧的第一连接部 23相转动地连接。两侧的第一连接部 23上都设置有所述的第一止转 件 19与所述的第二止转件 20。
所述的滑动套 8具有分别向两侧横向延伸形成的第二连接部 24， 每侧的上连杆 10 的前端部分别与相应侧的第二连接部 24相转动地 连接， 每侧的后轮支架 5的上端部也分别与相应侧的第二连接部 24 相转动地连接。
所述的儿童推车上还设置有锁定机构， 该锁定机构将所述的儿 童推车锁定于展开位置。 当将锁定机构解锁时， 可将儿童推车折叠， 最终儿童推车可折叠至较小体积。 比如， 所述的锁定机构可以是在 所述的下推把杆 6上滑动地设置有锁销， 在所述的连接座 25上开有 锁孔， 所述的下推把杆 6 上设置有控制所述的锁销的控制件， 锁定 时， 所述的锁销插在所述的锁孔内， 解锁时， 所述的锁销脱离所述 的锁孔。

Claims

权利要求：
1、 一种儿童推车， 包括推车车架 （1)、 前轮组件 （2)、 后轮组 件 （3)， 所述的推车车架 （1) 包括位于所述的推车车架 （1) 两侧 部的侧支架 （18)、 位于所述的两侧的侧支架 （18) 之间的前轮支架
(4)， 所述的恻支架 （18) 包括后轮支架 （5)、 下推把杆 （6)， 所 述的前轮组件 （2) 设置在所述的前轮支架 （4) 的前端部， 所述的 后轮组件 （3) 设置在所述的后轮支架 （5) 的下端部， 其特征在于： 所述的前轮支架 （4) 的后端部连接有连接座 （25)， 所述的下推把 杆 （6) 的下端部与所述的连接座 （25) 相转动地连接， 所述的前轮 支架 （4) 上沿其前后方向滑动地设置有滑动套 （8)， 所述的后轮支 架 （5) 的上端部与所述的滑动套 （8) 相转动地连接， 所述的侧支 架 （18) 还包括上连杆 （10)、 下连杆 （11)， 所述的上连杆 （10) 的后端部与所述的下推把杆（6)相转动地连接， 所述的上连杆（10) 的前端部与所述的滑动套 （8) 相转动地连接， 所述的下连杆 （11) 的上端部与所述的连接座 （25) 相转动地连接， 所述的下连杆 （11) 的下端部与所述的后轮支架 （5) 相转动地连接。
2、 根据权利要求 1所述的儿童推车， 其特征在于： 所述的前轮 支架 （4) 为单根且其后部与所述的连接座 （25) 相固定地连接并且 形成一个整体。
3、 根据权利要求 1所述的儿童推车， 其特征在于： 所述的前轮 支架 （4) 有两根， 并且所述的两根前轮支架 （4) 的后部分别与所 述的连接座 （25) 相转动地连接， 所述的两根前轮支架 （4) 分别与 所述的滑动套 （8) 的两侧部相滑动地设置。
4、 根据权利要求 3所述的婴儿推车， 其特征在于： 所述的滑动 套 （8) 的两侧部分别开有通孔 （27)， 每侧的前轮支架 （4) 分别滑 动地插在相应侧的通孔 （27) 内。 .
5、 根据权利要求 4所述的婴儿推车， 其特征在于： 每侧的通孔 (27) 内具有限位面 （28), 当所述的推车车架处于展开状态下， 每 侧的前轮支架 （4) 分别抵在相应的限位面 （28) 上。
6、 根据权利要求 1所述的儿童推车， 其特征在于： 所述的每侧 的上连杆 （10) 上可转动地连接有座位杆连接件 （16)， 所述的座位 杆连接件 （16) 上滑动地连接有座位杆 （13), 所述的座位杆 （13) 的后端部与所述的连接座 （25) 相连接， 所述的座位秆 （13) 上设 置有座位。
7、 根据权利要求 6所述的儿童推车， 其特征在于： 所述的座位 杆 （13) 的后端部与所述的连接座 （25) 相转动地连接。
8、 根据权利要求 1所述的儿童推车， 其特征在于： 所述的下推 把杆 （6) 上活动的设置有上推把杆 （7)， 所述的推车车架 （1) 展 开时， 所述的上推把杆 （7) 与所述的下推把杆 （6) 之间相对锁定。
9、 根据权利要求 1所述的儿童推车， 其特征在于： 所述的两侧 的下推把杆 （6) 之间设置有可折叠的后撑 （12), 所述的后撑 （12) 的两个外端部分别与相应侧的下推把杆 （6) 相转动地连接。
10、 根据权利要求 1 所述的儿童推车， 其特征在于： 所述的连 接座 （25) 上具有第一止转件 （19), 所述的推车车架 （1) 展开时， 所述的下连杆 （11) 抵在所述的第一止转件 （19) 上。
11、 根据权利要求 1 所述的儿童推车， 其特征在于： 所述的连 接座 （25) 上具有第二止转件 （20)， 所述的推车车架 （1) 展开时， 所述的下推把杆 （6) 抵在所述的第二止转件 （20) 上。
12、 根据权利要求 1 所述的儿童推车， 其特征在于： 所述的连 接座 （25) 具有分别向两侧横向延伸形成的第一连接部 （23), 每侧 的下推把杆 （6) 的下端部分别与相应侧的第一连接部 （23) 相转动 地连接， 每侧的下连杆 （11) 的上端部也分别与相应侧的第一连接 部 （23) 相转动地连接。
13、 根据权利要求 1 所述的儿童推车， 其特征在于： 所述的滑 动套 （8) 具有分别向两侧横向延伸形成的第二连接部 （24)， 每侧 的上连秆 （10) 的前端部分别与相应侧的第二连接部 （24) 相转动 地连接， 每侧的后轮支架 （5) 的上端部也分别与相应侧的第二连接 部 （24) 相转动地连接。
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