WO2020232652A1 - 一种婴儿车的大关节结构 - Google Patents

一种婴儿车的大关节结构 Download PDF

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Publication number
WO2020232652A1
WO2020232652A1 PCT/CN2019/087880 CN2019087880W WO2020232652A1 WO 2020232652 A1 WO2020232652 A1 WO 2020232652A1 CN 2019087880 W CN2019087880 W CN 2019087880W WO 2020232652 A1 WO2020232652 A1 WO 2020232652A1
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WO
WIPO (PCT)
Prior art keywords
handle
rear foot
lock hook
foot
front foot
Prior art date
Application number
PCT/CN2019/087880
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English (en)
French (fr)
Inventor
刘林兴
Original Assignee
深圳市喜德盛自行车股份有限公司
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 深圳市喜德盛自行车股份有限公司 filed Critical 深圳市喜德盛自行车股份有限公司
Priority to CN201980000688.4A priority Critical patent/CN110325427B/zh
Priority to PCT/CN2019/087880 priority patent/WO2020232652A1/zh
Publication of WO2020232652A1 publication Critical patent/WO2020232652A1/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
    • B62B7/08—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

Definitions

  • the invention relates to the technical field of baby carriages, in particular to a large joint structure of a baby carriage.
  • the large joint structure of baby strollers on the market is huge and complicated, high production cost and inconvenient to use.
  • the common folding method of strollers is that the rear feet are fixed points, and the handle and front feet are rotated to the rear feet respectively. This method leads to the overall structure Not compact enough, the other way is the front foot is a fixed point, the handle and the back foot are rotated forward respectively, and the locking method is the independent self-locking of the back foot and the handle, which causes the handle and the back foot to fail to achieve linkage.
  • the technical problem to be solved by the present invention is to provide a large joint structure of a baby carriage in view of the shortcomings of the prior art.
  • the present invention adopts the following technical solutions.
  • a large joint structure of a stroller includes a front foot assembly, a rear foot board and a handle.
  • the front foot assembly includes a front foot board and a front foot shell.
  • the handle, rear foot board and the front foot board are hinged in the front foot shell, and the handle is provided with an inner cavity.
  • the inner cavity of the handle is provided with a first hinge, the first hinge is provided with a handle lock hook, a first torsion spring is arranged between the handle lock hook and the inner cavity of the handle, and the handle lock hook is fixed with a connecting cable; on the edge of the front foot board A groove is provided, and the handle lock hook is movably connected to the groove of the front foot board; a second hinge is provided on the front foot shell, and the second hinge is provided with a rear foot locking hook and a rear foot locking hook seat, one of the rear foot locking hook and the rear foot locking hook seat There is a second torsion spring between the rear foot lock hook seat and the front foot shell; the rear foot lock hook is movably connected with the limit slot on the rear foot plate; in use, the handle lock hook is clamped to the front On the groove of the foot plate, the handle tail is pressed into the rear foot lock hook seat, and the rear foot lock hook seat pushes the rear foot lock hook to rotate through the second torsion spring, so that the rear foot lock hook is clamp
  • the inner cavity wall of the forefoot shell is provided with an arc-shaped groove
  • the ejector block is provided in the arc-shaped groove
  • the handle ridge is provided at the rear end of the handle
  • the rear foot ridge is provided at the rear end of the rear foot
  • the handle ridge and the rear foot The convex ridges are placed on both sides of the ejector block.
  • the handle rotates clockwise relative to the forefoot assembly, and the ridge of the handle slides against the ejector block in the arc groove, and the sliding ejector block abuts against the ridge of the rear foot. Up, push the rear foot plate linkage and rotate counterclockwise relative to the front foot assembly.
  • the rear extension of the convex ridge of the handle is an arc part
  • the convex ridge of the handle pushes the ejector block to slide in the arc-shaped groove and squeeze the convex ridge of the rear foot, so that the rear foot board is linked
  • the ridge of the handle is separated from the ejector block, the rear arc part of the handle is pressed against the rear foot lock hook seat, and the handle is further rotated, and the rear arc part of the handle ridge presses the rear foot
  • the lock hook seat, the rear foot lock hook seat drives the rear foot lock hook to rotate through the second torsion spring, so that the rear foot lock hook is engaged with the rear foot limit slot, and the handle lock hook is engaged with the front foot groove under the action of the first torsion spring Slot, complete locking.
  • the handle includes left and right handle shells, the left and right hands clamp the tail of the shell on both sides of the tail of the forefoot, and the board body of the rear foot is covered with a rear foot cover.
  • the forefoot shell includes left and right forefoot shells, and the tail ends of the left and right forefoot shells are clamped on both sides of the tail of the left and right hand handle shells.
  • the inner side of the forefoot shell is connected to the seat pocket fixing seat, and the outer side is provided with a decorative cover.
  • the forefoot component, the handle and the rear foot in the large joint structure of the stroller of the present invention are individually locked, so that the overall structure is more compact, the manufacturing cost is effectively reduced, and the operation is easier and faster.
  • the large joint structure of the baby stroller of the present invention is centered on the front foot assembly, and the handle and the rear foot are unfolded and quickly folded around the front foot assembly, thereby further reducing the manufacturing cost, while making the overall structure more compact and firmer and easier and faster to operate.
  • Figure 1 is a schematic diagram of the explosive structure of the present invention
  • Figure 2 is a schematic structural diagram of the overall structure of the present invention.
  • Figure 3 is a side view of the overall structure of the present invention in a locked state
  • Fig. 4 is a schematic sectional view of the structure at position A-A in Fig. 3;
  • Fig. 5 is a schematic cross-sectional view of the B-B position of Fig. 3;
  • Figure 6 is a side view of the overall structure of the present invention when it is unlocked
  • Fig. 7 is a schematic sectional view of the structure at position A-A in Fig. 6;
  • Fig. 8 is a schematic cross-sectional structural view of position B-B in Fig. 6;
  • Figure 9 is a side view of the overall structure of the present invention in a fully unlocked state
  • Figures 10 and 11 are schematic cross-sectional structural views of the handlebars and the rear foot plate at different rotation positions at the position of Figure 9A-A;
  • Figure 12 is a side view of the overall structure of the present invention in an expanded state
  • Figure 13 is a schematic cross-sectional view of the position of Figure 12A-A;
  • Fig. 14 is a schematic sectional view of the structure of Fig. 12B-B.
  • the present invention discloses a large joint structure of a stroller, which includes a front foot assembly 1, a rear foot board 2 and a handle 3.
  • the front foot assembly 1 includes a front foot board 4 and a front foot shell 5, and a handle 3 ,
  • the rear foot plate 2 and the front foot plate 4 are respectively hinged in the front foot shell 5.
  • the handle 3 is provided with an inner cavity, the inner cavity of the handle 3 is provided with a first hinge 6, and the first hinge 6 is provided with a handle lock hook 7, and a handle lock A first torsion spring 8 is arranged between the hook 7 and the inner cavity of the handle, and the handle lock hook 7 is fixed with a connecting cable 9; a groove 41 is provided on the rear edge of the forefoot board 4, and a groove between the handle lock hook 7 and the forefoot board 4 41 movable snap connection; a second hinge 10 is provided on the front foot shell 5, a rear foot lock hook 11 and a rear foot lock hook seat 12 are provided on the second hinge 10, and a second torsion spring is provided between the rear foot lock hook 11 and the rear foot lock hook seat 12 13.
  • a reset spring 14 is provided between the rear foot lock hook seat 12 and the front foot shell 5; the rear foot lock hook 11 is movably connected to the limit slot 21 on the rear foot plate 2; in use, the handle lock hook 7 is snapped On the groove of the forefoot plate 4, the tail of the handle 3 is pressed against the rear foot lock hook seat 12, and the rear foot lock hook seat 12 pushes the rear foot lock hook 11 to rotate through the second torsion spring 13, so that the rear foot lock hook 11 is clamped to the rear foot plate 2
  • pull the pull wire 9 to make the handle lock hook 7 escape the groove 41 on the front foot plate 4, the handle 3 rotates counterclockwise relative to the front foot assembly 1, and the tail of the handle 3 is released
  • the rear foot lock hook seat 12 is pressed and closed, the rear foot lock hook seat 12 rotates under the action of the return spring 11 to drive the rear foot lock hook 11 out of the limit slot 21 of the rear foot plate 2 to complete the unlocking of the rear foot plate 2.
  • an arc groove 51 is provided on the inner cavity wall of the forefoot shell 5
  • an ejector block 16 is provided in the arc groove 51
  • a handle ridge 31 is provided at the end of the handle 3
  • a rear foot plate 2 is provided at the end.
  • the back foot ridge 22, the handle ridge 31 and the back foot ridge 22 are placed on both sides of the ejector block 16. In the unfolded state, the handle 3 rotates clockwise relative to the forefoot assembly 1, and the handle ridge 31 pushes against the ejector block.
  • the rear foot plate 2 and the handle 3 are synchronously rotated and expanded through the action of the ejector block 16 to achieve linkage.
  • the rear foot plate 2 is under the action of its own gravity.
  • the front foot assembly 1 rotates clockwise, and the handle 3 also forms a synchronous folding, the structure design is simple and compact, and the operation is convenient.
  • the rear extension of the handle ridge 31 is a circular arc portion 32.
  • the handle ridge 31 pushes the ejector block 16 to slide in the arc groove 51 and squeeze the rear foot
  • the convex ridge 22 makes the rear foot plate 2 rotate to the locked position in linkage, the handle ridge 31 is separated from the ejector block 16, the backward arc part 32 of the handle ridge 31 is pressed against the rear foot lock hook seat 12, and the handle is further rotated 3.
  • the rearward arc portion 32 of the handle ridge 31 is pressed against the rear foot lock hook seat 12.
  • the rear foot lock hook seat 12 drives the rear foot lock hook 11 to rotate through the second torsion spring 13, so that the rear foot lock hook 11 is engaged with the rear foot limit In the locking slot 21, the handle lock hook 7 is locked in the forefoot groove 41 under the action of the first torsion spring 8 to complete the locking.
  • the handle 3 includes left and right handle shells 33, the left and right hands clamp the tail of the shell 33 on both sides of the tail of the front foot board 4, and the board body of the rear foot board 2 is covered with a rear foot cover 17.
  • the front foot shell 5 includes left and right front foot shells 52, and the tail ends of the left and right front foot shells 52 are sandwiched on both sides of the tails of the left and right hand handle shells 33.
  • the inner side of the forefoot shell 5 is connected to the seat pocket fixing seat 18, and a decorative cover 19 is provided on the outer side.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

一种婴儿车的大关节结构，包括前脚组件（1）、后脚板（2）和手把（3），前脚组件（1）包括前脚板（4）和前脚壳（5），手把（3）、后脚板（2）分别和前脚板（4）铰接于前脚壳（5）内，手把（3）设内腔，手把（3）的内腔设第一铰链（6），第一铰链（6）上设手把锁钩（7），手把锁钩（7）和手把内腔之间设第一扭簧（8），手把锁钩（7）上固定连接拉线（9）；前脚板（4）尾部边缘上设沟槽（41），手把锁钩（7）与前脚板（4）的沟槽（41）活动卡合连接；前脚壳（5）上设第二铰链（10），第二铰链（10）上设后脚锁钩（11）和后脚锁钩座（12），后脚锁钩（11）和后脚锁钩座（12）之间设第二扭簧（13），后脚锁钩座（12）和前脚壳（5）之间设复位弹簧（14）；后脚锁钩（11）和后脚板（2）上的限位卡槽（21）活动卡合连接；前脚组件（1）和手把（3）、后脚板（2）之间同步锁合、展开联动，使整体结构更为紧凑，有效的降低了制造成本，操作起来更加的简便快捷。

Description

一种婴儿车的大关节结构 技术领域
本发明涉及婴儿车技术领域，尤其涉及一种婴儿车的大关节结构。
 背景技术
目前市面上婴儿车大关节结构外形庞大繁琐，生产成本高且使用不便，目前婴儿车常见的收合方式为以后脚为固定点，手把和前脚分别向后脚旋转，此种方式的导致整体结构不够紧凑，另一种方式以前脚为固定点，手把和后脚分别向前脚旋转，锁合方式为后脚和手把的单独自锁，导致手把和后脚无法实现联动。
 技术问题
本发明要解决的技术问题在于，针对现有技术的不足，提供一种婴儿车的大关节结构。
 技术解决方案
为解决上述技术问题，本发明采用如下技术方案。
一种婴儿车的大关节结构，包括前脚组件、后脚板和手把，前脚组件包括前脚板和前脚壳，手把、后脚板分别和前脚板铰接于前脚壳内，手把设内腔，手把的内腔设第一铰链，第一铰链上设手把锁钩，手把锁钩和手把内腔之间设第一扭簧，手把锁钩上固定连接拉线；前脚板尾部边缘上设沟槽，手把锁钩与前脚板的沟槽活动卡合连接；前脚壳上设第二铰链，第二铰链上设后脚锁钩和后脚锁钩座，后脚锁钩和后脚锁钩座之间设第二扭簧，后脚锁钩座和前脚壳之间设复位弹簧；后脚锁钩和后脚板上的限位卡槽活动卡合连接；在使用状态时，手把锁钩卡接于前脚板的沟槽上，手把尾部压合后脚锁钩座，后脚锁钩座通过第二扭簧推动后脚锁钩旋转，使后脚锁钩卡接于后脚板的限位卡槽内；在收合状态时，拉动拉线，使手把锁钩脱离前脚板上的沟槽，手把相对前脚组件逆时针旋转，手把尾部释放对后脚锁钩座的压合，后脚锁钩座在复位弹簧的作用下旋转，带动后脚锁钩脱离后脚板的限位卡槽，完成后脚板的解锁。
优选地，前脚壳的内腔壁上设弧形槽，所述弧形槽内设顶出块，手把尾端设手把凸脊，后脚板尾端设后脚凸脊，手把凸脊和后脚凸脊分置顶出块的两侧，在展开状态时，手把相对前脚组件顺时针旋转，手把凸脊抵顶顶出块在弧形槽内滑动，滑动的顶出块抵于后脚凸脊上，推动后脚板联动，相对前脚组件逆时针旋转。
优选地，手把凸脊的后延为圆弧部，手把相对前脚组件顺时针旋转时，手把凸脊推动顶出块在弧形槽内滑动并挤压后脚凸脊，使后脚板联动旋转到锁合位置，手把凸脊脱离顶出块，手把凸脊的后延圆弧部抵于后脚锁钩座，进一步旋转手把，手把凸脊的后延圆弧部压合后脚锁钩座，后脚锁钩座通过第二扭簧带动后脚锁钩旋转，使后脚锁钩卡合于后脚限位卡槽，手把锁钩在第一扭簧的作用下，卡合于前脚沟槽，完成锁定。
优选地，所述手把包括左、右手把壳，左、右手把壳的尾部包夹于前脚板尾部的两侧，后脚板的板体套有后脚套。
优选地，前脚壳包括左、右前脚壳，左、右前脚壳的尾端包夹于左、右手把壳的尾部两侧。
优选地，前脚壳内侧连接座兜固定座，外侧设装饰盖。
 有益效果
本发明婴儿车的大关节结构中的前脚组件和手把、后脚之间单独锁合，使整体结构更为紧凑，有效的降低了制造成本，操作起来更加的简便快捷。
本发明婴儿车的大关节结构以前脚组件组件为中心，手把、后脚围绕前脚组件联动展开，快速折叠，进一步降低了制造成本，同时使整体结构更为紧凑、牢固，操作更加简单快捷。
 附图说明
图1为本发明的爆炸结构示意图；
图2为本发明的整体结构示意图结构示意图；
图3分别为本发明整体结构锁合状态侧视图；
图4为图3的 A-A位置的剖视结构示意图；
图5为图3的B-B位置的剖视结构示意图；
图6为本发明整体结构开始解锁状态侧视图；
图7为图6的 A-A位置的剖视结构示意图；
图8图6的B-B位置的剖视结构示意图；
图9为本发明整体结构完全解锁状态侧视图；
图10、图11为图9A-A位置手把和后脚板不同旋转位置的剖视结构示意图；
图12为本发明整体结构展开状态侧视图；
图13为图12A-A位置的剖视结构示意图;
图14为图12B-B位置的剖视结构示意图。
 本发明的最佳实施方式
下面结合附图和实施例对本发明作更加详细的描述。
如图1至图14所示，本发明公开了一种婴儿车的大关节结构，包括前脚组件1、后脚板2和手把3，前脚组件1包括前脚板4和前脚壳5，手把3、后脚板2分别和前脚板4铰接于前脚壳5内，手把3设内腔，手把3的内腔设第一铰链6，第一铰链6上设手把锁钩7，手把锁钩7和手把内腔之间设第一扭簧8，手把锁钩7上固定连接拉线9；前脚板4尾部边缘上设沟槽41，手把锁钩7与前脚板4的沟槽41活动卡合连接；前脚壳5上设第二铰链10，第二铰链10上设后脚锁钩11和后脚锁钩座12，后脚锁钩11和后脚锁钩座12之间设第二扭簧13，后脚锁钩座12和前脚壳5之间设复位弹簧14；后脚锁钩11和后脚板2上的限位卡槽21活动卡合连接；在使用状态时，手把锁钩7卡接于前脚板4的沟槽上，手把3尾部压合后脚锁钩座12，后脚锁钩座12通过第二扭簧13推动后脚锁钩11旋转，使后脚锁钩11卡接于后脚板2的限位卡槽21内；在收合状态时，拉动拉线9，使手把锁钩7脱离前脚板4上的沟槽41，手把3相对前脚组件1逆时针旋转，手把3尾部释放对后脚锁钩座12的压合，后脚锁钩座12在复位弹簧11的作用下旋转，带动后脚锁钩11脱离后脚板2的限位卡槽21，完成后脚板2的解锁。前脚组件1、后脚板2和手把3之间同步锁合和解锁，整体结构更为紧凑、牢固，操作方便。
在上述方案的基础上，前脚壳5的内腔壁上设弧形槽51，弧形槽51内设顶出块16，手把3尾端设手把凸脊31，后脚板2尾端设后脚凸脊22，手把凸脊31和后脚凸脊22分置顶出块16的两侧，在展开状态时，手把3相对前脚组件1顺时针旋转，手把凸脊31抵顶顶出块16在弧形槽51内滑动，滑动的顶出块16抵于后脚凸脊22上，推动后脚板2联动，相对前脚组件1逆时针旋转。在展开状态时，后脚板2和手把3之间通过顶出块16的作用，同步旋转展开，实现联动，在折合状态下，手把3解锁后，后脚板2在自身重力的作用下，向前脚组件1顺时针旋转，和手把3亦形成同步折合，结构设计简单、紧凑，操作方便。
具体的，手把凸脊31的后延为圆弧部32，手把3相对前脚组件1顺时针旋转时，手把凸脊31推动顶出块16在弧形槽51内滑动并挤压后脚凸脊22，使后脚板2联动旋转到锁合位置，手把凸脊31脱离顶出块16，手把凸脊31的后延圆弧部32抵于后脚锁钩座12，进一步旋转手把3，手把凸脊31的后延圆弧部32压合后脚锁钩座12，后脚锁钩座12通过第二扭簧13带动后脚锁钩11旋转，使后脚锁钩11卡合于后脚限位卡槽21，手把锁钩7在第一扭簧8的作用下，卡合于前脚沟槽41内，完成锁定。
具体的，手把3包括左、右手把壳33，左、右手把壳33的尾部包夹于前脚板4尾部的两侧，后脚板2的板体套有后脚套17。
具体的，前脚壳5包括左、右前脚壳52，左、右前脚壳52的尾端包夹于左、右手把壳33的尾部两侧。
具体的，前脚壳5内侧连接座兜固定座18，外侧设装饰盖19。
以上所述只是本发明较佳的实施例，并不用于限制本发明，凡在本发明的技术范围内所做的修改、等同替换或者改进等，均应包含在本发明所保护的范围内。

Claims (6)

  1. 一种婴儿车的大关节结构，包括前脚组件、后脚板和手把，其特征在于，前脚组件包括前脚板和前脚壳，手把、后脚板分别和前脚板铰接于前脚壳内，手把设内腔，手把的内腔设第一铰链，第一铰链上设手把锁钩，手把锁钩和手把内腔之间设第一扭簧，手把锁钩上固定连接拉线；前脚板尾部边缘上设沟槽，手把锁钩与前脚板的沟槽活动卡合连接；前脚壳上设第二铰链，第二铰链上设后脚锁钩和后脚锁钩座，后脚锁钩和后脚锁钩座之间设第二扭簧，后脚锁钩座和前脚壳之间设复位弹簧；后脚锁钩和后脚板上的限位卡槽活动卡合连接；在使用状态时，手把锁钩卡接于前脚板的沟槽上，手把尾部压合后脚锁钩座，后脚锁钩座通过第二扭簧推动后脚锁钩旋转，使后脚锁钩卡接于后脚板的限位卡槽内；在收合状态时，拉动拉线，使手把锁钩脱离前脚板上的沟槽，手把相对前脚组件逆时针旋转，手把尾部释放对后脚锁钩座的压合，后脚锁钩座在复位弹簧的作用下旋转，带动后脚锁钩脱离后脚板的限位卡槽，完成后脚板的解锁。
  2. 根据权利要求1所述婴儿车的大关节结构，其特征在于，前脚壳的内腔壁上设弧形槽，所述弧形槽内设顶出块，手把尾端设手把凸脊，后脚板尾端设后脚凸脊，手把凸脊和后脚凸脊分置顶出块的两侧，在展开状态时，手把相对前脚组件顺时针旋转，手把凸脊抵顶顶出块在弧形槽内滑动，滑动的顶出块抵于后脚凸脊上，推动后脚板联动，相对前脚组件逆时针旋转。
  3. 根据权利要求2所述婴儿车的大关节结构，其特征在于，手把凸脊的后延为圆弧部，手把相对前脚组件顺时针旋转时，手把凸脊推动顶出块在弧形槽内滑动并挤压后脚凸脊，使后脚板联动旋转到锁合位置，手把凸脊脱离顶出块，手把凸脊的后延圆弧部抵于后脚锁钩座，进一步旋转手把，手把凸脊的后延圆弧部压合后脚锁钩座，后脚锁钩座通过第二扭簧带动后脚锁钩旋转，使后脚锁钩卡合于后脚限位卡槽，手把锁钩在第一扭簧的作用下，卡合于前脚沟槽，完成锁定。
  4. 根据权利要求3所述婴儿车的大关节结构，其特征在于，所述手把包括左、右手把壳，左、右手把壳的尾部包夹于前脚板尾部的两侧，后脚板的板体套有后脚套。
  5. 根据权利要求4所述婴儿车的大关节结构，其特征在于，前脚壳包括左、右前脚壳，左、右前脚壳的尾端包夹于左、右手把壳的尾部两侧。
  6. 根据权利要求1所述婴儿车的大关节结构，其特征在于，前脚壳内侧连接座兜固定座，外侧设装饰盖。
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