WO2018103140A1 - 双人儿童推车 - Google Patents

双人儿童推车 Download PDF

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Publication number
WO2018103140A1
WO2018103140A1 PCT/CN2016/111257 CN2016111257W WO2018103140A1 WO 2018103140 A1 WO2018103140 A1 WO 2018103140A1 CN 2016111257 W CN2016111257 W CN 2016111257W WO 2018103140 A1 WO2018103140 A1 WO 2018103140A1
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WO
WIPO (PCT)
Prior art keywords
sides
strut
assembly
disposed
seat
Prior art date
Application number
PCT/CN2016/111257
Other languages
English (en)
French (fr)
Inventor
胡扣贞
方仨
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 EP16923568.6A priority Critical patent/EP3552922B1/en
Publication of WO2018103140A1 publication Critical patent/WO2018103140A1/zh

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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
    • B62B7/068—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
    • 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
    • B62B7/008—Carriages for children; Perambulators, e.g. dolls' perambulators for two or more children
    • 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
    • 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
    • B62B2205/003—Hand-propelled vehicles or sledges being foldable or dismountable when not in use with actuation mechanisms which drive the folding or unfolding operation
    • 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
    • B62B2205/02—Hand-propelled vehicles or sledges being foldable or dismountable when not in use foldable widthwise

Definitions

  • the invention relates to a stroller, in particular to a double stroller.
  • a two-person stroller of the prior art comprising a stroller frame having an unfolded position and a folded position, a front wheel assembly and a rear wheel assembly disposed at a lower portion of the cart frame, and a cart disposed on the cart
  • the existing double cart has a wide variety of cart frames, the number of rods of the cart frame is different, the connection relationship and the connection position of the rods are different, and the folding principle and the folding manner are different. Limited by the structure of the existing cart frame, the current double stroller is not compact enough after being folded, and takes up a large space, and is not easy to carry and transport.
  • a double stroller comprising a cart frame having an unfolded state and a folded state, a front wheel assembly disposed at a front portion of the bottom of the cart frame, and a rear wheel assembly at a rear of the bottom of the cart frame, a locking mechanism for locking the cart frame in an unfolded state
  • the cart frame including two side brackets disposed on the left and right sides a cross bracing assembly connected between the side brackets on the two sides, the side brackets on each side include: a front strut extending from the front to the rear and gradually extending upward, a rear strut extending in the up and down direction, and sliding up and down a sliding member disposed on the rear strut, a push rod extending in an up-and-down direction and a lower pivotal connection on the sliding member, the side brackets on each side further comprising a front seat post and a rear extending respectively in the front-rear direction a seat post, a front portion
  • the front seat post and the rear seat bar on each side of the side are flipped and folded in the front-rear direction, and the sliding member slides down the rear strut to make the front
  • the struts, the rear struts, the front seat bars, the rear seat bars and the push rods are gathered together in the front-rear direction to achieve the folding of the side brackets, and the cross struts are folded so that the side brackets on both sides are along the left and right sides
  • the directional phase is gathered, and the front wheel assembly and the rear wheel assembly are close to each other in the front-rear direction.
  • the front seat post and the rear seat post extend in the same length direction.
  • the rear end portion of the front seat post and the front end portion of the rear seat post are raised together so that the front seat post and the rear seat post Flip together in the front-rear direction and gradually gather together.
  • the front portion of the front seat post is pivotally connected to the front strut by a first shaft
  • the rear portion of the front seat post is pivotally connected to the front portion of the rear seat post via a second shaft.
  • the rear seatpost is pivotally coupled to the rear strut by a third axle
  • the rear of the rear seatpost being pivotally coupled to the pusher by a fourth axle, the cart frame being deployed.
  • the first axis, the second axis, the third axis, and the fourth axis are sequentially spaced apart in the front-rear direction.
  • the sliding member is a sliding sleeve slidably sleeved on the rear struts, the sliding sleeve is located below the third shaft on the rear struts, and the fourth shaft is in the The push rod is located above the sliding sleeve.
  • the lower portions of the front struts on both sides are connected to form a U-shape with an opening facing upward, the front wheel assembly has a set, and the front wheel assembly and the lower portion of the front struts on both sides Connected; the rear wheel assembly has two sets disposed at the bottom of the rear strut on both sides.
  • the cart frame further includes a front backrest assembly disposed between the rear portions of the front seatposts on both sides, and a backrest assembly disposed between the rear portions of the rear seatposts on the sides, the front backrest A first seat is formed between the assembly and the front seat bar on both sides, and a second seat is formed between the backrest assembly and the rear seat bar on both sides.
  • the cross bracing assembly comprises at least a cross bracing assembly, the cross bracing assembly comprising two diagonal braces that cross each other and are pivotally connected at the intersection, each of the diagonal braces extending in an up and down direction, An upper portion of the diagonal strut is rotatably coupled to the rear strut on one side and a lower portion of the diagonal strut is rotatably coupled to the sliding member.
  • cross brace assembly further includes a rear stay assembly disposed between the push rods on both sides and expandable and foldable in the left and right direction.
  • the front wheel assembly includes a front wheel frame, a front wheel disposed at a bottom of the front wheel frame, and lower portions of the front side bars of the two sides are respectively pivotally connected to the front wheel frame, or both sides
  • the lower portion of the front strut is rotatably coupled to the front wheel frame about a same rotational centerline.
  • the front wheel assembly includes two sets of the front strut bottoms disposed on the left and right sides, and the lower portions of the front strut on the two sides are pivotally connected.
  • the present invention has the following advantages compared with the prior art: the double stroller of the present invention has a small number of members and a simple structure, and has good rigidity in an unfolded state, and can be set in tandem.
  • the two seats provide two children with stable sitting support, and the child has a large sitting space on the stroller frame for high comfort.
  • the double stroller is also easy to open and fold, and the small size after folding makes the user's daily storage and carrying convenient.
  • Figure 1 is a perspective view of the double stroller in an unfolded state according to Embodiment 1 of the present invention
  • Figure 2 is a side elevational view of the double stroller of the first embodiment in an unfolded state
  • Figure 3 is a perspective view of the double stroller of the first embodiment in a half-folded state
  • Figure 4 is a side view of the double stroller of the first embodiment in a half-folded state
  • Figure 5 is a perspective view of the double stroller of the first embodiment in a folded state
  • Figure 6 is a side view of the double stroller of Embodiment 1 in a folded state
  • Figure 7 is a perspective view of the double stroller in an unfolded state according to Embodiment 2 of the present invention.
  • Figure 8 is a side elevational view of the double stroller of the second embodiment in an unfolded state
  • Figure 9 is a perspective view of the double stroller of the second embodiment in a half-folded state
  • Figure 10 is a side view of the double stroller of Embodiment 2 in a half-folded state
  • Figure 11 is a perspective view of the double stroller of the second embodiment in a folded state
  • Figure 12 is a side view of the double stroller of the second embodiment in a folded state
  • FIG. 1 to FIG. 6 which includes a cart frame having an unfolded state and a folded state, a front wheel assembly 20 at the front of the bottom of the cart frame, and a bottom of the cart frame.
  • the cart frame includes two side brackets 100 disposed on the left and right sides and a cross bracing assembly connected between the side brackets 100.
  • each side bracket 100 includes a front strut 1, a rear strut 2, a push rod 3, a front seat post 4, and a rear seat post 5, wherein the front strut 1 gradually changes from front to back.
  • the upper strut 2 extends obliquely in the up and down direction, and the upper portion of the rear strut 2 is pivotally connected to the upper portion of the front strut 1 via the rotating shaft 15; the push rod 3 extends obliquely in the up and down direction, and the lower pivotal connection thereof is
  • the sliding member 6 is slidably disposed on the rear strut 2, and the sliding member 6 is a sliding sleeve 6 which is slidably sleeved on the rear strut 2.
  • the front seat bar 4 and the rear seat bar 5 respectively extend in the front-rear direction, and the front portion of the front seat bar 4 is pivotally connected to the front strut 1 through the first shaft 11, and the rear portion of the front seat post 4 and the front portion of the rear seat post 5 pass
  • the second shaft 12 is pivotally connected; the middle portion of the rear seat rod 5 is pivotally connected to the rear strut 2 via the third shaft 13, and the rear portion of the rear seat rod 5 is pivotally connected to the push rod 3 via the fourth shaft 14. on.
  • the front seat rail 4 and the rear seat rail 5 extend in the same length direction, and the first shaft 11, the second shaft 12, the third shaft 13 and the fourth shaft 14 are sequentially spaced apart in the front-rear direction, wherein
  • the first shaft 11 is located below the rotating shaft 15 on the front strut 1
  • the sliding sleeve 6 is disposed below the third shaft 13 on the rear strut 2
  • the fourth shaft 14 is located on the sliding sleeve 6 on the push rod 3.
  • the stroller in this embodiment is a three-wheeled stroller, that is, the front wheel assembly 20 is provided with one set, and the rear wheel assembly 30 has two sets which are disposed on the left and right sides.
  • each of the front struts 1 has an arc-shaped rod, and the lower portions of the front struts 1 on both sides are connected to form a U-shaped opening with the opening upward, and the front wheel assembly 20 and the lower portion of the front struts 1 on both sides Connected, the two sets of rear wheel assemblies 30 are respectively disposed at the lower portions of the rear side struts 2 on both sides.
  • the cart frame further includes a front backrest assembly 8 disposed between the rear portions of the front side seat rails 4, and a rear backrest assembly 9 disposed between the rear portions of the side rear seat rails 5.
  • the front backrest assembly 8 has two front backrest bars 81 which are respectively disposed on the left and right sides and both extend in the up and down direction, and a front link set connected between the front front backrest bars 81.
  • the lower part of the front backrest lever 81 is pivotally connected at a rear portion of the front seatpost 4 on the same side thereof;
  • the backrest assembly 9 has two rear backrest bars 91 which are disposed on the left and right sides and both extend in the up and down direction, and a rear link set connected between the backrest bars 91 on both sides
  • the lower portion of the rear backrest lever 91 is pivotally coupled to the rear of the rear seatpost 5 on the same side thereof.
  • the lower portions of the front strut 1 on both sides are rotatably connected, and the cross bracing assembly is retractably disposed between the side brackets 100 on both sides in the left-right direction.
  • the front wheel assembly 20 includes a front wheel frame 20a, a front wheel 20b disposed at the bottom of the front wheel frame 20a, and lower portions of the front side struts 1 on both sides are pivotally connected to the front wheel frame 20a, respectively, or the front struts 1 on both sides
  • the lower portion is rotatably coupled to the front wheel carrier 20a about the same rotational center line.
  • the lower portions of the front side struts 1 are pivotally connected to the front wheel frame 20a by the pin 20c, so that when the cross struts are gathered in the left and right direction, the front struts 1 on both sides can be wound around the pin 20c Rotate and move closer together.
  • the cross brace assembly includes a cross brace assembly 7 that includes two diagonal struts 71 that intersect each other and are pivotally connected at the intersection, each of the diagonal struts 71 extending generally obliquely in the up and down direction.
  • the upper portion of the diagonal strut 71 is rotatably coupled to the rear strut 2 on one side and the lower portion thereof is rotatably coupled to the sliding sleeve 6 on the other side.
  • the two diagonal strut 71 of the cross brace assembly 7 are driven to rotate relative to each other so that the cross bracing assembly 7 is relatively unfolded or gathered in the left and right direction.
  • the cross brace assembly further includes a rear stay assembly 10 disposed between the side push rods 3 and expandable and foldable in the left and right direction.
  • the rear attachment assembly 10 employs an attachment assembly having a self-locking function commonly used in the art, which can provide stable support of the side push rods 3 in the left-right direction when deployed.
  • the rear attachment assembly 10 can also adopt other structures that can realize the expansion and contraction in the left and right direction.
  • the front link group of the front backrest assembly 8 and the rear link group on the backrest assembly 9 are also rod group structures that can be folded in the left and right direction.
  • the cart frame is locked in the unfolded state by the locking mechanism, and the rear stay assembly 10 and the cross brace assembly 7 are supported on both sides in the left and right direction.
  • the side brackets 100 On each side of the side bracket 100, the front seat post 4 and the rear seat post 5 extend in the same length direction, and a stable triangular structure is formed between the front strut 1, the rear strut 2, the front seat post 4, and the rear seat post 5, and the push rod is formed. 3.
  • Another stable triangular structure is formed between the rear strut 2 and the rear seat post 5, which makes the stroller frame have good rigidity and stability in the unfolded state.
  • the front seat post 4 and the rear seat post 5 can be arranged in a large extension length in the front-rear direction, so that a larger seating space for two children can be formed, so that the double stroller is Two seats are provided for the front and rear of the child to have a larger space for each seat, thereby improving the comfort of the child.
  • the lower portion of the diagonal strut 71 of the cross brace assembly 7 descends with the sliding sleeve 6 to bring the rear strut 2 on both sides to gather in the left and right direction, and the push rods 3 on both sides are gathered at the left and right of the rear attachment assembly 10.
  • the front struts 1 on both sides are rotated around the pin shaft 20c and gradually close together in the left-right direction, so that the side brackets 100 on both sides are gradually gathered in the left-right direction, and the front backrest assembly 8 and the backrest assembly 9 are also folded as described above.
  • the side brackets 100 on both sides are gradually gathered, and the front wheel assembly 20 and the rear wheel assembly 30 are gradually brought closer together in the front-rear direction.
  • the folded cart frame is shown in Figure 5 and Figure 6.
  • the rods on the cart frame are tightly gathered together, showing a very compact structure, which takes up less space and is folded.
  • the frame can rely on the front wheel assembly 20 and the rear wheel assembly 30 to stand on the ground for convenient daily storage and carrying.
  • the operator stands behind the cart, and the foot is stepped on the lower portion of the rear support assembly 10 such that the rear attachment assembly 10 is gradually deployed in the left and right direction while the push rod 3 is upwardly
  • the sliding sleeve 6 is slid upward along the rear strut 2, so that the rods on the cart frame are relatively rotated to gradually open.
  • the double stroller is also easy to open.
  • the main difference from the first embodiment is the connection form of the front side stays 1 and the arrangement of the front wheel assembly 20.
  • the front wheel assembly 20 has two sets, and the two sets of front wheel assemblies 20 are respectively disposed at the bottoms of the front side struts 1 on both sides.
  • the lower portion of each of the front strut 1 has a connecting crossbar 1a extending inward in the left-right direction, and the connecting rails 1a on both sides are pivotally connected by a connecting shaft 16.
  • the side brackets 100 on both sides are respectively unfolded, and the cross bracing assembly 7 and the rear abutment assembly 10 of the cross bracing assembly are spread between the side brackets 100 on both sides, and the lower portions of the front side pillars 1 are connected at both sides.
  • the crossbar 1a is also deployed in the left-right direction.
  • the side brackets 100 on both sides are respectively folded, and the cross bracing assembly 7 and the rear attachment assembly 10 of the cross bracing assembly are also respectively folded in the left-right direction, so that the side brackets 100 on both sides gradually gather in the left and right direction.
  • the front struts 1 on both sides are rotated about the connecting shaft 16 and gradually gather in the left and right direction.
  • the folded frame is as shown in FIG. 11 and FIG. 12, and the folded frame is compact in structure and can rely on two sets of front wheel assemblies 20 and two sets of rear wheel assemblies 30 to stand on the ground.
  • the double stroller of the present invention has a small number of members and a simple structure, and is rigid in an unfolded state.
  • the front and rear seats can be provided to provide two children with stable sitting support, and the child It has a large sitting space on the cart frame and is comfortable to ride.
  • the double stroller is also easy to open and fold, and the small size after folding makes the user's daily storage and carrying convenient.

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

Abstract

一种双人儿童推车，其推车车架包括分设于左右两侧的两个侧支架（100）、连接在两侧侧支架之间可横向收折的横撑组件，每侧的侧支架均包括自前向后逐渐上倾延伸的前支杆（1）、沿上下方向延伸的后支杆（2）、上下滑动地设于后支杆上的滑动件（6）、沿上下方向延伸且下部枢轴连接在滑动件上的推杆（3），以及分别沿前后方向延伸的前座杆（4）与后座杆（5），前座杆的前部枢轴连接在前支杆上，后座杆枢轴连接在后支杆上，后座杆的前部与前座杆的后部相枢轴连接且后座杆的后部枢轴连接在推杆上。该推车车架杆件数量少，其在展开状态下刚性好，可设置一前一后两个座位，可提供两个儿童以稳定的坐立支撑。该双人儿童推车的打开与折叠操作也很方便，折叠后结构紧凑且体积较小

Description

双人儿童推车 技术领域
本发明涉及一种儿童推车，尤其涉及一种双人儿童推车。
背景技术
随着二孩家庭越来越多，双人儿童推车也越来越受欢迎。现有技术中的双人儿童推车，其包括具有展开位置与折叠位置的推车车架、设置于所述的推车车架下部的前轮组件与后轮组件、设置于所述的推车车架上的能够支撑人体的座兜组件、用于将所述的推车车架锁定于展开位置下的锁定装置。现有的双人推车的推车车架的种类繁多，推车车架的杆件的数目不同，各杆件之间连接关系、连接位置不同，从而折叠原理与折叠方式各不相同。受现有推车车架的结构限制，目前的双人推车在折叠后结构不够紧凑，占用空间较大，不易携带与运输。
发明内容
本发明的目的是提供一种结构简洁且折叠操作方便、折叠后体积较小的双人儿童推车。
为达到上述目的，本发明采用的技术方案是：一种双人儿童推车，包括具有展开状态与折叠状态的推车车架、设于所述推车车架底前部的前轮组件、设于所述推车车架底后部的后轮组件、用于将所述推车车架锁定在展开状态下的锁定机构，所述推车车架包括分设于左右两侧的两个侧支架、连接在两侧所述侧支架之间的横撑组件，每侧的所述侧支架均包括：自前向后逐渐上倾延伸的前支杆、沿上下方向延伸的后支杆、上下滑动地设于所述后支杆上的滑动件、沿上下方向延伸且下部枢轴连接在所述滑动件上的推杆，每侧的所述侧支架还包括分别沿前后方向延伸的前座杆与后座杆，所述前座杆的前部枢轴连接在所述前支杆上，所述后座杆枢轴连接在所述后支杆上，所述后座杆的前部与所述前座杆的后部相枢轴连接且所述后座杆的后部枢轴连接在所述推杆上，两侧所述前支杆的下部可相对转动地连接，所述横撑组件沿左右方向可收折地设置在两侧的所述侧支架之间，
所述推车车架折叠时，每侧的所述侧支架上所述前座杆与后座杆沿前后方向翻转收折、所述滑动件沿所述后支杆向下滑动，使得所述前支杆、后支杆、前座杆、后座杆及推杆沿前后方向相互收拢在一起而实现所述侧支架的折叠，所述横撑组件收折而使得两侧的所述侧支架沿左右方向相收拢，所述前轮组件与后轮组件沿前后方向相互靠拢。
优选地，当所述推车车架处于展开状态时，所述前座杆、所述后座杆沿同一长度方向延伸。
优选地，所述推车车架折叠时，每侧的所述侧支架上，所述前座杆的后端部与所述后座杆的前端部共同上行而使得所述前座杆与后座杆沿前后方向相对翻转而逐渐收拢在一起。
优选地，所述前座杆的前部通过第一轴枢轴连接在所述前支杆上，所述前座杆的后部与所述后座杆的前部通过第二轴相枢轴连接，所述后座杆通过第三轴枢轴连接在所述后支杆上，所述后座杆的后部通过第四轴枢轴连接在所述推杆上，所述推车车架展开时，所述第一轴、第二轴、第三轴、第四轴沿前后方向依次间隔分布。
进一步地，所述滑动件为滑动地套设在所述后支杆上的滑套，所述滑套在所述后支杆上位于所述第三轴的下方，所述第四轴在所述推杆上位于所述滑套的上方。
优选地，两侧的所述前支杆的下部相连接而形成开口朝上的U字型，所述前轮组件有一组，且所述的前轮组件与两侧所述前支杆的下部相连接；所述后轮组件具有分设于两侧所述后支杆底部的两组。
优选地，所述推车车架还包括设于两侧所述前座杆后部之间的前靠背组件、设于两侧所述后座杆后部之间的后靠背组件，所述前靠背组件与两侧的所述前座杆之间形成第一座位，所述后靠背组件与两侧的所述后座杆之间形成第二座位。
优选地，所述横撑组件至少包括十字撑组件，所述十字撑组件包括相互交叉且在交叉处相枢轴连接的两根斜撑杆，每根所述斜撑杆均沿上下方向延伸，所述斜撑杆的上部转动地连接在一侧的所述后支杆上且该所述斜撑杆的下部转动地连接在所述滑动件上。
进一步地，所述横撑组件还包括设于两侧所述推杆之间且可沿左右方向展开与收折的后附撑组件。
优选地，所述前轮组件包括前轮架、设于所述前轮架底部的前轮，两侧的所述前支杆的下部分别枢轴连接在所述前轮架上，或者两侧的所述前支杆的下部绕同一转动中心线旋转地连接在所述前轮架上。
作为另一种优选方式，所述前轮组件包括分设于左右两侧所述前支杆底部的两组，两侧的所述前支杆的下部之间相枢轴连接。
由于上述技术方案的运用，本发明与现有技术相比具有下列优点：本发明的双人儿童推车，其杆件数量少，结构简洁，其在展开状态下刚性好，可设置一前一后两个座位可提供两个儿童以稳定的坐立支撑，儿童在推车车架上具有较大的坐立空间，乘车舒适度高。该双人儿童推车的打开与折叠操作也很方便，折叠后的体积小，为用户的日常收纳与携带带来了便利。
附图说明
附图1为本发明实施例1的双人儿童推车展开状态下的立体图；
附图2为实施例1的双人儿童推车展开状态下的侧视图；
附图3为实施例1的双人儿童推车半折叠状态下的立体图；
附图4为实施例1的双人儿童推车半折叠状态下的侧视图；
附图5为实施例1的双人儿童推车折叠状态下的立体图；
附图6为实施例1的双人儿童推车折叠状态下的侧视图；
附图7为本发明实施例2的双人儿童推车展开状态下的立体图；
附图8为实施例2的双人儿童推车展开状态下的侧视图；
附图9为实施例2的双人儿童推车半折叠状态下的立体图；
附图10为实施例2的双人儿童推车半折叠状态下的侧视图；
附图11为实施例2的双人儿童推车折叠状态下的立体图；
附图12为实施例2的双人儿童推车折叠状态下的侧视图；
其中：100、侧支架；1、前支杆；2、后支杆；3、推杆；4、前座杆；5、后座杆；6、滑动件（滑套）；7、十字撑组件；71、斜撑杆；8、前靠背组件；81、前靠背杆；9、后靠背组件；91、后靠背杆；10、后附撑组件；20、前轮组件；20a、前轮架；20b、前轮；20c、销轴；30、后轮组件；11、第一轴；12、第二轴；13、第三轴；14、第四轴；15、转轴；
1a、连接横杆；16、连接轴。
具体实施方式
下面结合附图和具体实施例来对本发明的技术方案作进一步的阐述。
实施例1
参见图1至图6所示的双人儿童推车，其包括具有展开状态与折叠状态的推车车架、位于该推车车架底前部的前轮组件20、位于该推车车架底后部的后轮组件30，以及用于将该推车车架锁定在展开状态下的锁定机构。推车车架包括分设于左右两侧的两个侧支架100和连接在两侧侧支架100之间的横撑组件。
参见图1至图6所示，每侧的侧支架100均包括前支杆1、后支杆2、推杆3、前座杆4及后座杆5，其中，前支杆1自前向后逐渐上倾延伸，后支杆2沿上下方向倾斜延伸，后支杆2的上部与前支杆1的上部通过转轴15相枢轴连接；推杆3沿上下方向倾斜延伸，其下部枢轴连接有滑动件6，该滑动件6上下滑动地设于后支杆2上，在这里，滑动件6采用的为滑动地套设在后支杆2上的滑套6。
前座杆4与后座杆5分别沿前后方向延伸，前座杆4的前部通过第一轴11枢轴连接在前支杆1上，前座杆4的后部与后座杆5的前部通过第二轴12相枢轴连接；后座杆5的中部通过第三轴13枢轴连接在后支杆2上，后座杆5的后部则通过第四轴14枢轴连接在推杆3上。推车车架展开时，前座杆4与后座杆5沿同一长度方向延伸，且第一轴11、第二轴12、第三轴13及第四轴14沿前后方向依次间隔分布，其中，上述的第一轴11在前支杆1上位于转轴15的下方，滑套6在后支杆2上设于第三轴13的下方，第四轴14在推杆3上则位于滑套6的上方。
参见各附图所示，本实施例中的儿童推车为三轮儿童推车，即前轮组件20设置有一组，后轮组件30具有分设于左右两侧的两组。具体地，每根前支杆1均呈弧形杆，两侧的前支杆1的下部相连接而形成开口朝上的U字型，前轮组件20与两侧的前支杆1的下部相连接，两组后轮组件30则分别设置在两侧后支杆2的下部。
参见各附图所示，推车车架还包括设于两侧前座杆4的后部之间的前靠背组件8、设于两侧后座杆5后部之间的后靠背组件9。前靠背组件8具有分设于左右两侧且均沿上下方向延伸的两根前靠背杆81、连接在两侧前靠背杆81之间的前连杆组，前靠背杆81的下部枢轴连接在与其同侧的前座杆4的后部；后靠背组件9具有分设于左右两侧且均沿上下方向延伸的两根后靠背杆91、连接在两侧后靠背杆91之间的后连杆组，后靠背杆91的下部枢轴连接在与其同侧的后座杆5的后部。推车车架展开时，前靠背组件8与两侧的前座杆4之间形成可提供一个儿童坐立位置的第一座位，后靠背组件9与两侧的后座杆5之间形成可提供另一个儿童坐立位置的第二座位。这样使得该儿童推车在展开时可提供两个儿童一前一后地坐立在推车上推行使用。
参见各附图所示，在本实施例中，两侧的前支杆1的下部可相对转动地连接，横撑组件沿左右方向可收折地设置在两侧的侧支架100之间。具体地：
前轮组件20包括前轮架20a、设于前轮架20a底部的前轮20b，两侧的前支杆1的下部分别枢轴连接在前轮架20a上，或者两侧的前支杆1的下部绕同一转动中心线旋转地连接在前轮架20a上。在这里，两侧前支杆1的下部共同通过销轴20c枢轴连接在前轮架20a上，这样，当横撑组件沿左右方向收拢时，两侧的前支杆1能够绕销轴20c转动而相对靠拢。
横撑组件包括十字撑组件7，该十字撑组件7包括相互交叉且在交叉处相枢轴连接的两根斜撑杆71，每根斜撑杆71均大致沿上下方向倾斜延伸。斜撑杆71的上部转动地连接在一侧的后支杆2上且其下部转动地连接在另一侧的滑套6上。当滑套6沿后支杆2上下滑动时，便会驱使十字撑组件7的两根斜撑杆71相对转动而使得十字撑组件7沿左右方向相对展开或收拢。
横撑组件还包括设于两侧推杆3之间且可沿左右方向展开与收折的后附撑组件10。在这里，该后附撑组件10采用的为本领域常用的具有展开自锁功能的附撑组件，其在展开时可提供两侧推杆3以左右方向上的稳定支撑。当然，该后附撑组件10也可以采用其他可实现左右方向展开与收折的结构。
此外，为配合推车车架沿左右方向的展开与收拢，前靠背组件8的前连杆组与后靠背组件9上的后连杆组也均为可沿左右方向收折的杆组结构。
参见图1、图2所示，该双人儿童推车在展开使用时，推车车架由锁定机构锁定于展开状态下，后附撑组件10与十字撑组件7沿左右方向支撑在两侧的侧支架100之间。每侧的侧支架100上，前座杆4与后座杆5沿同一长度方向延伸，前支杆1、后支杆2及前座杆4、后座杆5之间形成稳定的三角形结构，推杆3、后支杆2及后座杆5之间形成另一稳定的三角形结构，这使得推车车架在该展开状态下具有良好的刚性和稳定性。
该推车车架上，前座杆4与后座杆5沿前后方向上可设置成较大的延伸长度，从而可形成供两个儿童坐立的较大乘坐空间，使得该双人儿童推车在设置前后两个座位供儿童一前一后坐立时每个座位均能够具有较大的空间，从而可提高儿童乘车的舒适度。
当需要将该儿童推车折叠起来时，参见图3、图4所示，在将后附撑组件10及锁定机构解锁后，操作者握持两侧的推杆3并将其向下压，这样，每侧的侧支架100上，推杆3下行而带动滑套6沿后支杆2向下滑动，使得后座杆5绕第四轴14相对推杆3转动并且绕第三轴13相对后支杆2转动，后座杆5的前部上行带动前座杆4的后部上行，使得前座杆4绕第一轴11相对前支杆1转动，前座杆4与后座杆5沿前后方向逐渐翻转收拢，带动前支杆1、后支杆2及推杆3沿前后方向逐渐靠拢。
在上述过程中，十字撑组件7的斜撑杆71的下部随滑套6下行而带动两侧的后支杆2沿左右方向收拢，两侧的推杆3在后附撑组件10的左右收拢过程中逐渐靠拢，两侧的前支杆1绕销轴20c转动而沿左右方向逐渐靠拢，使得两侧的侧支架100沿左右方向逐渐收拢，前靠背组件8与后靠背组件9也在上述折叠过程中逐渐收拢在两侧的侧支架100之间，前轮组件20与后轮组件30沿前后方向逐渐靠拢。最终，折叠后的推车车架如图5、图6所示，推车车架上的各杆件均紧密地收拢在一起，呈现十分紧凑的结构，其占用空间较小，折叠后的车架可依靠前轮组件20与后轮组件30自立于地面，方便日常收纳与携带。
当需要打开该双人儿童推车时，操作者站立于推车的后方，其脚部脚踏后附撑组件10的下部而使得后附撑组件10沿左右方向逐渐展开，同时将推杆3向上提而使得滑套6沿后支杆2向上滑动，便可使得推车车架上的各杆件相对转动而逐渐打开。该双人儿童推车的打开操作也很方便。
实施例2
参见图7至图12所示的双人儿童推车，其与实施例1的主要区别在于两侧前支杆1的连接形式及前轮组件20的设置形式。
参见图7至图12所示，本实施例中，前轮组件20有两组，该两组前轮组件20分别设置在两侧前支杆1的底部。每侧前支杆1的下部均具有沿左右方向向内延伸的连接横杆1a，两侧的连接横杆1a之间通过连接轴16相枢轴连接。
当车架展开时，两侧的侧支架100分别展开，横撑组件的十字撑组件7与后附撑组件10撑开在两侧的侧支架100之间，两侧前支杆1下部的连接横杆1a也沿左右方向展开。
当该车架折叠时，两侧的侧支架100分别折叠，横撑组件的十字撑组件7与后附撑组件10也分别沿左右方向收折而使得两侧的侧支架100沿左右方向逐渐收拢，两侧的前支杆1绕连接轴16转动而沿左右方向逐渐收拢。折叠后的车架如图11、图12所示，折叠后的车架结构紧凑，且可依靠两组前轮组件20与两组后轮组件30自立于地面。
综上，本发明的双人儿童推车，其杆件数量少，结构简洁，其在展开状态下刚性好，可设置一前一后两个座位可提供两个儿童以稳定的坐立支撑，儿童在推车车架上具有较大的坐立空间，乘车舒适度高。该双人儿童推车的打开与折叠操作也很方便，折叠后的体积小，为用户的日常收纳与携带带来了便利。
以上所涉及的上、下、前、后、左、右等方位词是以推车车架处于展开状态下进行定义的，并且前轮组件20所在位置为前，后轮组件30所在位置为后。
上述实施例只为说明本发明的技术构思及特点，其目的在于让熟悉此项技术的人士能够了解本发明的内容并据以实施，并不能以此限制本发明的保护范围。凡根据本发明精神实质所作的等效变化或修饰，都应涵盖在本发明的保护范围之内。

Claims (11)

  1. 一种双人儿童推车，包括具有展开状态与折叠状态的推车车架、设于所述推车车架底前部的前轮组件、设于所述推车车架底后部的后轮组件、用于将所述推车车架锁定在展开状态下的锁定机构，所述推车车架包括分设于左右两侧的两个侧支架、连接在两侧所述侧支架之间的横撑组件，其特征在于，每侧的所述侧支架均包括：自前向后逐渐上倾延伸的前支杆、沿上下方向延伸的后支杆、上下滑动地设于所述后支杆上的滑动件、沿上下方向延伸且下部枢轴连接在所述滑动件上的推杆，每侧的所述侧支架还包括分别沿前后方向延伸的前座杆与后座杆，所述前座杆的前部枢轴连接在所述前支杆上，所述后座杆枢轴连接在所述后支杆上，所述后座杆的前部与所述前座杆的后部相枢轴连接且所述后座杆的后部枢轴连接在所述推杆上，两侧所述前支杆的下部可相对转动地连接，所述横撑组件沿左右方向可收折地设置在两侧的所述侧支架之间，
    所述推车车架折叠时，每侧的所述侧支架上所述前座杆与后座杆沿前后方向翻转收折且所述滑动件沿所述后支杆向下滑动，使得所述前支杆、后支杆、前座杆、后座杆及推杆沿前后方向相互收拢在一起而实现所述侧支架的折叠，所述横撑组件收折而使得两侧的所述侧支架沿左右方向相收拢，所述前轮组件与后轮组件沿前后方向相互靠拢。
  2. 根据权利要求1所述的双人儿童推车，其特征在于：当所述推车车架处于展开状态时，所述前座杆、所述后座杆沿同一长度方向延伸。
  3. 根据权利要求1所述的双人儿童推车，其特征在于：所述推车车架折叠时，每侧的所述侧支架上，所述前座杆的后端部与所述后座杆的前端部共同上行而使得所述前座杆与后座杆沿前后方向相对翻转而逐渐收拢在一起。
  4. 根据权利要求1所述的双人儿童推车，其特征在于：所述前座杆的前部通过第一轴枢轴连接在所述前支杆上，所述前座杆的后部与所述后座杆的前部通过第二轴相枢轴连接，所述后座杆通过第三轴枢轴连接在所述后支杆上，所述后座杆的后部通过第四轴枢轴连接在所述推杆上，所述推车车架展开时，所述第一轴、第二轴、第三轴、第四轴沿前后方向依次间隔分布。
  5. 根据权利要求4所述的双人儿童推车，其特征在于：所述滑动件为滑动地套设在所述后支杆上的滑套，所述滑套在所述后支杆上位于所述第三轴的下方，所述第四轴在所述推杆上位于所述滑套的上方。
  6. 根据权利要求1所述的双人儿童推车，其特征在于：两侧的所述前支杆的下部相连接而形成开口朝上的U字型，所述前轮组件有一组，且所述的前轮组件与两侧所述前支杆的下部相连接；所述后轮组件具有分设于两侧所述后支杆底部的两组。
  7. 根据权利要求1所述的双人儿童推车，其特征在于：所述推车车架还包括设于两侧所述前座杆后部之间的前靠背组件、设于两侧所述后座杆后部之间的后靠背组件，所述前靠背组件与两侧的所述前座杆之间形成第一座位，所述后靠背组件与两侧的所述后座杆之间形成第二座位。
  8. 根据权利要求1至7任一所述的双人儿童推车，其特征在于：所述横撑组件至少包括十字撑组件，所述十字撑组件包括相互交叉且在交叉处相枢轴连接的两根斜撑杆，每根所述斜撑杆均沿上下方向延伸，所述斜撑杆的上部转动地连接在一侧的所述后支杆上且该所述斜撑杆的下部转动地连接在所述滑动件上。
  9. 根据权利要求8所述的双人儿童推车，其特征在于：所述横撑组件还包括设于两侧所述推杆之间且可沿左右方向展开与收折的后附撑组件。
  10. 根据权利要求1所述的双人儿童推车，其特征在于：所述前轮组件包括前轮架、设于所述前轮架底部的前轮，两侧的所述前支杆的下部分别枢轴连接在所述前轮架上，或者两侧的所述前支杆的下部绕同一转动中心线旋转地连接在所述前轮架上。
  11. 根据权利要求1所述的双人儿童推车，其特征在于：所述前轮组件包括分设于左右两侧所述前支杆底部的两组，两侧的所述前支杆的下部之间相枢轴连接。
PCT/CN2016/111257 2016-12-06 2016-12-21 双人儿童推车 WO2018103140A1 (zh)

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