WO2021027808A1 - 一种可折叠推车 - Google Patents
一种可折叠推车 Download PDFInfo
- Publication number
- WO2021027808A1 WO2021027808A1 PCT/CN2020/108395 CN2020108395W WO2021027808A1 WO 2021027808 A1 WO2021027808 A1 WO 2021027808A1 CN 2020108395 W CN2020108395 W CN 2020108395W WO 2021027808 A1 WO2021027808 A1 WO 2021027808A1
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- WIPO (PCT)
- Prior art keywords
- rods
- rotatably connected
- rod
- connecting rod
- bracket
- Prior art date
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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
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/02—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible
Definitions
- the invention relates to the technical field of cargo carts, in particular to a foldable cart.
- a trolley is a small trolley that is convenient for short-distance transportation of small amounts of goods. It is a commonly used tool in daily life, especially leisure, tourism, shopping, delivery, and even business trips.
- Existing trolleys generally include a frame, a push rod provided on the frame, and casters provided on the bottom of the frame.
- the existing trolleys generally cannot be folded and folded, are bulky, occupy space, and are inconvenient for storage, packaging, or transportation.
- the inventor of the present invention has developed and designed the present invention in order to solve the above-mentioned shortcomings and inconveniences.
- the purpose of the present invention is to provide a foldable cart with convenient folding, simple structure, and convenient storage, packaging and transportation.
- a foldable cart including: a left bracket, a right bracket, two front upper connecting rods, two front lower connecting rods, two rear upper connecting rods, and two rear
- a foldable stroller also includes a plurality of bottom support rods evenly spaced apart, and two ends of the bottom support rod are respectively connected and fixed between the front lower connecting rod and the rear lower connecting rod.
- a foldable cart further includes a retractable push rod, the lower end of the push rod is rotatably fixed to the lower end of the left bracket, and the upper end of the left bracket is fixedly provided with a clamping member capable of clamping the push rod.
- the number of the casters is four, two of which are fixed on the lower end of the right bracket through the caster frame, and the other two casters are fixed on the lower end of the left frame and the lower end of the push rod through the caster frame, and the casters are arranged in a staggered manner .
- the number of the linkage rods is four, and one end of each two linkage rods is respectively rotatably connected to both sides of the sliding member, wherein the other end of the two linkage rods is respectively rotatably connected to the front lower connecting rod, and the other The other ends of the two linkage rods are respectively rotatably connected to the lower rear connecting rod.
- a foldable cart comprising: a left support, a right support, two front upper connecting rods, two front lower connecting rods, two rear upper connecting rods, two rear lower connecting rods, two supporting rods, two connecting pieces, at least A sliding member and at least one linkage rod, the sliding member is slidably sleeved on one of the supporting rods, the lower ends of the left bracket and the right bracket are provided with casters; one end of the front upper connecting rod can be It is rotatably connected to the left bracket and the right bracket, the other end of the front upper connecting rod is rotatably connected to both ends of one of the connecting pieces, and one end of the front lower connecting rod is rotatably connected to the left bracket and In the right bracket, one end of one of the support rods is fixed at the middle of one of the connecting members, the other end of the front and lower connecting rod is respectively rotatably connected to the other end of one of the support rods, and both ends of one of the linkage rods Are respectively rotatably connected to the sliding
- a foldable stroller also includes a plurality of bottom support rods evenly spaced apart, and two ends of the bottom support rod are respectively connected and fixed between the front lower connecting rod and the rear lower connecting rod.
- a foldable cart further includes a retractable push rod, the lower end of the push rod is rotatably fixed to the lower end of the left bracket, and the upper end of the left bracket is fixedly provided with a clamping member capable of clamping the push rod.
- the number of the casters is four, two of which are fixed on the lower end of the right bracket through the caster frame, and the other two casters are fixed on the lower end of the left frame and the lower end of the push rod through the caster frame, and the casters are arranged in a staggered manner .
- the number of the linkage rods is four. One end of each two linkage rods is rotatably connected to both sides of the sliding member, and the other end of the two linkage rods is rotatably connected to the upper front connecting rod. The other ends of the two linkage rods are respectively rotatably connected to the upper rear connecting rod.
- the present invention adopts the structural design of the front upper connecting rod, the front lower connecting rod, the rear upper connecting rod, the rear lower connecting rod, the supporting rod, the connecting piece, the sliding piece and the linkage rod.
- the rear upper connecting rods are also connected together by connecting pieces, the support rod connecting the connecting piece with the front lower connecting rod or the rear lower connecting rod, the sliding part can slide on the support rod,
- One end of the linkage rod is connected to the sliding member, the other end of the linkage rod is respectively connected to the front upper connecting rod or the rear upper connecting rod, or the other end of the linkage rod is respectively connected to the front lower connecting rod or the rear lower connecting rod Therefore, when the present invention needs to be folded, the user lifts up the connecting piece, the upper front connecting rod and the upper rear connecting rod pull the left bracket and the right bracket toward each other, and the support rod pulls the front lower connecting rod and the rear lower connecting rod.
- the present invention has convenient folding and structure Simple and convenient for storage, packaging and transportation.
- Fig. 1 is a use state diagram of the first embodiment of the present invention.
- Fig. 2 is a perspective view of the first embodiment of the present invention.
- Fig. 3 is a schematic view of the folding of the first embodiment of the present invention.
- FIG. 4 is a perspective view of the first embodiment of the present invention after being folded.
- Fig. 5 is a front view of Fig. 2.
- Fig. 6 is a front view of Fig. 3.
- Fig. 7 is a front view of Fig. 4.
- Figure 8 is a perspective view of the second embodiment of the present invention.
- Fig. 9 is a front view of Fig. 8.
- Fig. 10 is a schematic view of the folding of the second embodiment of the present invention.
- left bracket 1 right bracket 2, front upper connecting rod 3, front lower connecting rod 4, rear upper connecting rod 5, rear lower connecting rod 6, support rod 7, connecting piece 8, sliding piece 9, linkage rod 10.
- Caster 11 caster frame 12, bottom support rod 13, push rod 14, single rod 141, button seat 142, handle 143, clamp 01, enclosure 02.
- Embodiment 1 Please refer to Figures 1 to 7.
- the present invention discloses a foldable stroller, including: a left bracket 1, a right bracket 2, two front upper connecting rods 3, two front lower connecting rods 4 , Two rear upper connecting rods 5, two rear lower connecting rods 6, two supporting rods 7, two connecting pieces 8, at least one sliding piece 9 and at least one linkage rod 10, the sliding pieces 9 are respectively slidably sleeved
- the lower ends of the left support 1 and the right support 2 are provided with casters 11; one end of the front upper connecting rod 3 is rotatably connected to the left support 1 and the right support 2, respectively.
- the other end of the connecting rod 3 is respectively rotatably connected to the two ends of one of the connecting members 8.
- One end of the front and lower connecting rod 4 is respectively rotatably connected to the left bracket 1 and the right bracket 2, and one of the supporting rods 7 One end is fixed in the middle of one of the connecting members 8, the other end of the front lower connecting rod 4 is rotatably connected to the other end of one of the support rods 7, and both ends of one of the linkage rods 10 are rotatably connected.
- one end of the rear upper connecting rod 5 is respectively rotatably connected to the left bracket 1 and the right bracket 2
- the other end of the upper rear connecting rod 5 is rotatably connected to both ends of the other connecting member 8
- one end of the lower rear connecting rod 6 is rotatably connected to the left bracket 1 and
- one end of the other support rod 7 is fixed to the middle of the other connecting member 8, and the other end of the rear lower connecting rod 6 is respectively rotatably connected to the other end of the other support rod 7, when in use
- the connecting member 8 has a U-shaped cross section, and the left bracket 1 and the right bracket 2 are rectangular.
- the two ends of one linkage rod 10 can be rotatably connected to the sliding member 9 sleeved on one of the support rods 7 and one of the front
- the lower connecting rod 4 and the two ends of the other connecting rod 10 can be rotatably connected to the sliding member 9 sleeved on the other supporting rod 7 and one of the rear lower connecting rods 6 respectively.
- the number of the linkage rods 10 can be four, but it is not limited to this.
- One end of every two linkage rods 10 is rotatably connected to both sides of the sliding member 9, two of which The other end of the movable rod 10 is respectively rotatably connected to the front lower connecting rod 4, and the other ends of the other two connecting rods 10 are respectively rotatably connected to the rear lower connecting rod 6, so that the folding of the present invention can be faster And smooth.
- the present invention may also include a plurality of bottom support rods 137 evenly spaced apart.
- the two ends of the bottom support rods 137 are respectively connected and fixed between the front lower connecting rod 4 and the rear lower connecting rod 6 to improve the bottom of the present invention. Support strength.
- the present invention may also include a retractable push rod 14.
- the lower end of the push rod 14 is rotatably fixed to the lower end of the left bracket 1.
- the upper end of the left bracket 1 is fixedly provided with a clamp 01 that can clamp the push rod 14.
- the push rod 14 can be clamped in the clamp 01.
- the upper end of the push rod 14 may be fixedly provided with a handle 143, wherein the push rod 14 may include two single rods 141 inserted into each other and a button seat 142.
- the user can press the button on the button seat 142, Retract one of the single rods 141 into the other single rod 141 to realize the contraction of the push rod 14.
- the ejection positions and fixes the two single rods 141.
- the number of the casters 11 can be four. Two casters 11 are fixed to the lower end of the right bracket 2 through a caster frame 12, and the other two casters 11 are fixed to the left bracket 1 through a caster frame 12.
- the lower end and the lower end of the push rod 14 are arranged in a staggered manner between the casters 11, so that when the present invention is folded, the casters 11 can be arranged in staggered side by side, further reducing the volume of the present invention after folding.
- Embodiment 2 Please refer to Figures 8 to 10, the present invention discloses a foldable stroller.
- the difference between this embodiment and the first embodiment is: in this embodiment, two of the linkage rods 10 The ends are respectively rotatably connected to the sliding member 9 sleeved on one of the support rods 7 and one of the front upper connecting rods 3 or one of the rear upper connecting rods 5; one end of the rear upper connecting rod 5 is respectively rotatable Ground is connected to the left bracket 1 and the right bracket 2, the other end of the rear upper connecting rod 5 is respectively rotatably connected to both ends of the other connecting member 8, and one end of the rear lower connecting rod 6 is respectively rotatably connected In the left bracket 1 and the right bracket 2, one end of the other support rod 7 is fixed to the middle of the other connecting member 8, and the other end of the rear lower connecting rod 6 is respectively rotatably connected to the other support rod 7 At one end, when the number of the sliding members 9 is two and the number of the linkage rods 10 is two, the two ends of
- the present invention adopts the structure of the front upper connecting rod 3, the front lower connecting rod 4, the rear upper connecting rod 5, the rear lower connecting rod 6, the supporting rod 7, the connecting piece 8, the sliding piece 9 and the linkage rod 10.
- the front upper connecting rod 3 is connected together by a connecting piece 8
- the rear upper connecting rod 5 is also connected together by a connecting piece 8
- the supporting rod 7 connects the connecting piece 8 with the front lower connecting rod 4 or the rear
- the lower connecting rod 6, the sliding member 9 can slide on the supporting rod 7, one end of the linkage rod 10 is connected to the sliding member 9, and the other end of the linkage rod 10 is respectively connected to the front upper connecting rod 3 or the rear upper
- the connecting rod 5 or the other end of the connecting rod 10 is respectively connected to the front lower connecting rod 4 or the rear lower connecting rod 6, so that when the present invention needs to be folded, the user lifts up the connecting piece 8.
- the front upper connecting rod 3 and the upper rear connecting rod 5 pull the left support 1 and the right support 2 toward each other
- the support rod 7 pulls the other end of the front lower connecting rod 4 and the rear lower connecting rod 6 up
- the front lower connecting rod 4 and The rear lower connecting rod 6 pulls the left support 1 and the right support 2 toward each other, so that the linkage rod 10 gradually approaches the support rod 7 until it is completely folded. Therefore, the present invention has the characteristics of convenient folding, simple structure, and convenient storage, packaging and transportation.
- the lower front connecting rod 4 and the lower rear connecting rod 6 push the left bracket 1 and the right bracket 2 away from each other, so that the linkage rod 10 gradually moves away from the support rod 7 until
- the linkage rod 10 forms a right triangle support with the support rod 7 and the upper front connecting rod 3, or the linkage rod 10 forms a right triangle support with the support rod 7 and the upper rear connecting rod 5, or the linkage rod 10 and the support
- the rod 7 and the front lower connecting rod 4 form a right-angled triangle support, or the linkage rod 10 and the supporting rod 7 and the rear lower connecting rod 6 form a right-angled triangle support.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Handcart (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
一种可折叠推车,包括:左支架(1)、右支架(2)、前上连接杆(3)、前下连接杆(4)、后上连接杆(5)、后下连接杆(6)、支撑杆(7)、连接件(8)、滑动件(9)及至少一连动杆(10),所述滑动件(9)分别可滑动地套设于其中一支撑杆(7)上;所述前上连接杆(3)的另一端分别可转动地连接于其中一连接件(8)的两端,其中一支撑杆(7)的一端固设于其中一连接件(8)的中部,其中一连动杆(10)的两端分别可转动地连接于套设于其中一支撑杆(7)上的滑动件(9)与其中一前下连接杆(4)或其中一后下连接杆(6)上;所述后上连接杆(5)的另一端分别可转动地连接于另一连接件(8)的两端,另一支撑杆(7)的一端固设于另一连接件(8)的中部。具有折叠便利、存放、包装及运输方便的特点。
Description
本发明涉及货物推车技术领域,尤其是指一种可折叠推车。
手推车是一种方便短途运输少量货物的小车,在日常生活中,特别是休闲,旅游,购物,送货,甚至出差中常用的一种工具。
现有手推车,其一般包括车架、设于车架上的手推杆、以及设于车架底部的脚轮。但是,现有手推车一般无法折叠收合,体积较大,占用空间,存放、包装、或运输不方便。
有鉴于此,本发明人针对上述诸多缺失及不便,而深入构思,且积极研究改良试做而开发设计出本发明。
本发明的目的在于提供一种折叠便利、结构简单且存放、包装及运输方便的可折叠推车。
为实现上述目的,本发明的技术解决方案是:一种可折叠推车,包括:一左支架、一右支架、二前上连接杆、二前下连接杆、二后上连接杆、二后下连接杆、二支撑杆、二连接件、至少一滑动件及至少一连动杆,所述滑动件分别可滑动地套设于其中一支撑杆上,所述左支架及右支架的下端设有脚轮;所述前上连接杆的一端分别可转动地连接于左支架及右支架,所述前上连接杆的另一端分别可转动地连接于其中一连接件的两端,所述前下连接杆的一端分别可转动地连接于左支架及右支架,其中一支撑杆的一端固设于其中一连接件的中部,所述前下连接杆的另一端分别可转动地连接于其中一支撑杆的另一端,其中一连动杆的两端分别可转动地连接于套设于其中一支撑杆上的滑动件与其中一前下连接杆或其中一后下连接杆上;所述后上连接杆的一端分别可转动地连接于左支架及右支架,所述后上连接杆的另一端分别可转动地连接于另一连接件的两端,所述后下连接杆的一端分别可转动地连接于左支架及右支架,另一支撑杆的一端固设于另一连接件的中部,所述后下连接杆的另一端分别可转动地连接于另一支撑杆的另一端。
一种可折叠推车还包括多根均匀间隔设置的底支撑杆,所述底支撑杆的两端分别连接固定于前下连接杆与后下连接杆之间。
一种可折叠推车还包括一可收缩的推杆,所述推杆的下端可转动地固设于左支架的下端,所述左支架的上端固设有一可夹持推杆的夹固件。
所述脚轮的数量为四,其中两脚轮通过脚轮架间隔固设于右支架的下端,另外两脚轮通过脚轮架间隔固设于左支架的下端及推杆的下端,所述脚轮之间错位设置。
所述连动杆的数量为四,每两连动杆的一端分别可转动地连接于滑动件的两侧,其中两连动杆的另一端分别可转动地连接于前下连接杆上,另两连动杆的另一端分别可转动地连接于后下连接杆上。
一种可折叠推车,包括:一左支架、一右支架、二前上连接杆、二前下连接杆、二后上连接杆、二后下连接杆、二支撑杆、二连接件、至少一滑动件及至少一连动杆,所述滑动件分别可滑动地套设于其中一支撑杆上,所述左支架及右支架的下端设有脚轮;所述前上连接杆的一端分别可转动地连接于左支架及右支架,所述前上连接杆的另一端分别可转动地连接于其中一连接件的两端,所述前下连接杆的一端分别可转动地连接于左支架及右支架,其中一支撑杆的一端固设于其中一连接件的中部,所述前下连接杆的另一端分别可转动地连接于其中一支撑杆的另一端,其中一连动杆的两端分别可转动地连接于套设于其中一支撑杆上的滑动件与其中一前上连接杆或其中一后上连接杆上;所述后上连接杆的一端分别可转动地连接于左支架及右支架,所述后上连接杆的另一端分别可转动地连接于另一连接件的两端,所述后下连接杆的一端分别可转动地连接于左支架及右支架,另一支撑杆的一端固设于另一连接件的中部,所述后下连接杆的另一端分别可转动地连接于另一支撑杆的另一端。
一种可折叠推车还包括多根均匀间隔设置的底支撑杆,所述底支撑杆的两端分别连接固定于前下连接杆与后下连接杆之间。
一种可折叠推车还包括一可收缩的推杆,所述推杆的下端可转动地固设于左支架的下端,所述左支架的上端固设有一可夹持推杆的夹固件。
所述脚轮的数量为四,其中两脚轮通过脚轮架间隔固设于右支架的下端,另外两脚轮通过脚轮架间隔固设于左支架的下端及推杆的下端,所述脚轮之间错位设置。
所述连动杆的数量为四,每两连动杆的一端分别可转动地连接于滑动件的两侧,其中两连动杆的另一端分别可转动地连接于前上连接杆上,另两连动杆的另一端分别可转动地连接于后上连接杆上。
采用上述方案后,本发明通过前上连接杆、前下连接杆、后上连接杆、后下连接杆、支撑杆、连接件、滑动件及连动杆的结构设计,所述前上连接杆通过连接件连接在一起,所述后上连接杆也通过连接件连接在一起,所述支撑杆连接连接件与前下连接杆或后下连接杆,所述滑动件可于支撑杆上滑动,所述连动杆的一端连接滑动件,所述连动杆的另一端分别连接前上连接杆或后上连接杆,或者所述连动杆的另一端分别连接前下连接杆或后下连接杆,从而于需要折叠本发明时,使用者上提连接件,所述前上连接杆及后上连接杆拉动左支架与右支架朝向彼此靠近,所述支撑杆拉动前下连接杆及后下连接杆的另一端上提,所述前下连接杆及后下连接杆拉动左支架与右支架朝向彼此靠近,使连动杆逐渐靠近支撑杆,直至完全折叠,因此本发明具有折叠便利、结构简单且存放、包装及运输方便的特点。
图1为本发明的实施例一的使用状态图。
图2为本发明的实施例一的立体图。
图3为本发明的实施例一的折叠示意图。
图4为本发明的实施例一的折叠后立体图。
图5为图2的主视图。
图6为图3的主视图。
图7为图4的主视图。
图8为本发明的实施例二的立体图。
图9为图8的主视图。
图10为本发明的实施例二的折叠示意图。
符号说明
:左支架1 ,右支架2,前上连接杆3,前下连接杆4,后上连接杆5 ,后下连接杆6,支撑杆7 ,连接件8,滑动件9 ,连动杆10,脚轮11 ,脚轮架12,底支撑杆13,推杆14,单杆141 ,按钮座142,握柄143,夹固件01 ,围板室02。
为达成上述目的及功效,本发明所采用的技术手段及构造,兹绘图就本发明较佳实施例详加说明其特征与功能如下,以利完全了解。
实施例一:请参阅图1至图7所示,本发明揭示了一种可折叠推车,包括:一左支架1、一右支架2、二前上连接杆3、二前下连接杆4、二后上连接杆5、二后下连接杆6、二支撑杆7、二连接件8、至少一滑动件9及至少一连动杆10,所述滑动件9分别可滑动地套设于其中一支撑杆7上,所述左支架1及右支架2的下端设有脚轮11;所述前上连接杆3的一端分别可转动地连接于左支架1及右支架2,所述前上连接杆3的另一端分别可转动地连接于其中一连接件8的两端,所述前下连接杆4的一端分别可转动地连接于左支架1及右支架2,其中一支撑杆7的一端固设于其中一连接件8的中部,所述前下连接杆4的另一端分别可转动地连接于其中一支撑杆7的另一端,其中一连动杆10的两端分别可转动地连接于套设于其中一支撑杆7上的滑动件9与其中一前下连接杆4或其中一后下连接杆6上;所述后上连接杆5的一端分别可转动地连接于左支架1及右支架2,所述后上连接杆5的另一端分别可转动地连接于另一连接件8的两端,所述后下连接杆6的一端分别可转动地连接于左支架1及右支架2,另一支撑杆7的一端固设于另一连接件8的中部,所述后下连接杆6的另一端分别可转动地连接于另一支撑杆7的另一端,于使用时,如图1所示,本发明内可以固设围板室02,防止货物掉出,其中所述连接件8的截面为U型,所述左支架1与右支架2为矩形,当所述滑动件9的数量为二,连动杆10的数量为二时,其中一连动杆10的两端可以分别可转动地连接于套设于其中一支撑杆7上的滑动件9与其中一前下连接杆4,另一连动杆10的两端可以分别可转动地连接于套设于另一支撑杆7上的滑动件9与其中一后下连接杆6上。
于本实施例中,所述连动杆10的数量可以为四,但并不以此为限,每两连动杆10的一端分别可转动地连接于滑动件9的两侧,其中两连动杆10的另一端分别可转动地连接于前下连接杆4上,另两连动杆10的另一端分别可转动地连接于后下连接杆6上,从而可以使本发明的折叠更快速及顺畅。
进一步,本发明还可以包括多根均匀间隔设置的底支撑杆137,所述底支撑杆137的两端分别连接固定于前下连接杆4与后下连接杆6之间,提高本发明底部的支撑强度。
再者,为了便于推动本发明,提高本发明的使用便利性,本发明还可以包括一可收缩的推杆14,所述推杆14的下端可转动地固设于左支架1的下端,所述左支架1的上端固设有一可夹持推杆14的夹固件01,当需要折叠本发明时,可以将推杆14夹固于夹固件01内,为了便于使用者握持推动本发明,所述推杆14的上端可以固设有一握柄143,其中,所述推杆14可以包括两相互插接的单杆141及一按钮座142,使用者可以通过按压按钮座142上的按钮,使其中一单杆141缩入另一单杆141中,实现推杆14的收缩,当需要使用时,拉动其中一单杆141脱离出另一单杆141至指定位置,利用按钮座142的按钮弹出将两单杆141定位固定。
于本实施例中,所述脚轮11的数量可以为四,其中两脚轮11通过脚轮架12间隔固设于右支架2的下端,另外两脚轮11通过脚轮架12间隔固设于左支架1的下端及推杆14的下端,所述脚轮11之间错位设置,从而当折叠本发明时,所述脚轮11可以错位并列设置在一起,进一步减小折叠后本发明的体积。
实施例二:请参阅图8至图10所示,本发明揭示了一种可折叠推车,本实施例与实施例一的区别在于:于本实施例中,其中一连动杆10的两端分别可转动地连接于套设于其中一支撑杆7上的滑动件9与其中一前上连接杆3或其中一后上连接杆5上;所述后上连接杆5的一端分别可转动地连接于左支架1及右支架2,所述后上连接杆5的另一端分别可转动地连接于另一连接件8的两端,所述后下连接杆6的一端分别可转动地连接于左支架1及右支架2,另一支撑杆7的一端固设于另一连接件8的中部,所述后下连接杆6的另一端分别可转动地连接于另一支撑杆7的另一端,,当所述滑动件9的数量为二,连动杆10的数量为二时,其中一连动杆10的两端可以分别可转动地连接于套设于其中一支撑杆7上的滑动件9与其中一前上连接杆3,另一连动杆10的两端可以分别可转动地连接于套设于另一支撑杆7上的滑动件9与其中一后上连接杆5上,但于本实施例中,所述连动杆10的数量可以为四,其中两连动杆10的另一端分别可转动地连接于前上连接杆3上,另两连动杆10的另一端分别可转动地连接于后上连接杆5上,本实施例的其他结构与实施例一的结构相同,在此不赘述。
综上所述,本发明通过前上连接杆3、前下连接杆4、后上连接杆5、后下连接杆6、支撑杆7、连接件8、滑动件9及连动杆10的结构设计,所述前上连接杆3通过连接件8连接在一起,所述后上连接杆5也通过连接件8连接在一起,所述支撑杆7连接连接件8与前下连接杆4或后下连接杆6,所述滑动件9可于支撑杆7上滑动,所述连动杆10的一端连接滑动件9,所述连动杆10的另一端分别连接前上连接杆3或后上连接杆5,或者所述连动杆10的另一端分别连接前下连接杆4或后下连接杆6,从而于需要折叠本发明时,使用者上提连接件8,所述前上连接杆3及后上连接杆5拉动左支架1与右支架2朝向彼此靠近,所述支撑杆7拉动前下连接杆4及后下连接杆6的另一端上提,所述前下连接杆4及后下连接杆6拉动左支架1与右支架2朝向彼此靠近,使连动杆10逐渐靠近支撑杆7,直至完全折叠,因此本发明具有折叠便利、结构简单且存放、包装及运输方便的特点,反之需要展开本发明使用时,使用者下压连接件8,所述前上连接杆3及后上连接杆5推动左支架1与右支架2远离彼此,所述支撑杆7推动前下连接杆4及后下连接杆6的另一端下压,所述前下连接杆4及后下连接杆6推动左支架1与右支架2远离彼此,使连动杆10逐渐远离支撑杆7,直至连动杆10与支撑杆7、前上连接杆3形成直角三角形支撑,或者所述连动杆10与支撑杆7、后上连接杆5形成直角三角形支撑,或者所述连动杆10与支撑杆7、前下连接杆4形成直角三角形支撑,或者所述连动杆10与支撑杆7、后下连接杆6形成直角三角形支撑。
本发明的技术内容及技术特点已揭示如上,本发明的组成并不以上述为限,本发明的组成部件间的连接可以铆接或者通过螺丝锁固,本领域的技术人员仍可能基于本发明的揭示而作各种不背离本发明创作精神的替换及修饰。因此,本发明的保护范围应不限于实施例所揭示,而应包括各种不背离本发明的替换及修饰,并为权利要求书所涵盖。
Claims (10)
- 一种可折叠推车,其特征在于,包括:一左支架、一右支架、二前上连接杆、二前下连接杆、二后上连接杆、二后下连接杆、二支撑杆、二连接件、至少一滑动件及至少一连动杆,所述滑动件分别可滑动地套设于其中一支撑杆上,所述左支架及右支架的下端设有脚轮;所述前上连接杆的一端分别可转动地连接于左支架及右支架,所述前上连接杆的另一端分别可转动地连接于其中一连接件的两端,所述前下连接杆的一端分别可转动地连接于左支架及右支架,其中一支撑杆的一端固设于其中一连接件的中部,所述前下连接杆的另一端分别可转动地连接于其中一支撑杆的另一端,其中一连动杆的两端分别可转动地连接于套设于其中一支撑杆上的滑动件与其中一前下连接杆或其中一后下连接杆上;所述后上连接杆的一端分别可转动地连接于左支架及右支架,所述后上连接杆的另一端分别可转动地连接于另一连接件的两端,所述后下连接杆的一端分别可转动地连接于左支架及右支架,另一支撑杆的一端固设于另一连接件的中部,所述后下连接杆的另一端分别可转动地连接于另一支撑杆的另一端。
- 如权利要求1所述一种可折叠推车,其特征在于:还包括多根均匀间隔设置的底支撑杆,所述底支撑杆的两端分别连接固定于前下连接杆与后下连接杆之间。
- 如权利要求1或2所述一种可折叠推车,其特征在于:还包括一可收缩的推杆,所述推杆的下端可转动地固设于左支架的下端,所述左支架的上端固设有一可夹持推杆的夹固件。
- 如权利要求3所述一种可折叠推车,其特征在于:所述脚轮的数量为四,其中两脚轮通过脚轮架间隔固设于右支架的下端,另外两脚轮通过脚轮架间隔固设于左支架的下端及推杆的下端,所述脚轮之间错位设置。
- 如权利要求1所述一种可折叠推车,其特征在于:所述连动杆的数量为四,每两连动杆的一端分别可转动地连接于滑动件的两侧,其中两连动杆的另一端分别可转动地连接于前下连接杆上,另两连动杆的另一端分别可转动地连接于后下连接杆上。
- 一种可折叠推车,其特征在于,包括:一左支架、一右支架、二前上连接杆、二前下连接杆、二后上连接杆、二后下连接杆、二支撑杆、二连接件、至少一滑动件及至少一连动杆,所述滑动件分别可滑动地套设于其中一支撑杆上,所述左支架及右支架的下端设有脚轮;所述前上连接杆的一端分别可转动地连接于左支架及右支架,所述前上连接杆的另一端分别可转动地连接于其中一连接件的两端,所述前下连接杆的一端分别可转动地连接于左支架及右支架,其中一支撑杆的一端固设于其中一连接件的中部,所述前下连接杆的另一端分别可转动地连接于其中一支撑杆的另一端,其中一连动杆的两端分别可转动地连接于套设于其中一支撑杆上的滑动件与其中一前上连接杆或其中一后上连接杆上;所述后上连接杆的一端分别可转动地连接于左支架及右支架,所述后上连接杆的另一端分别可转动地连接于另一连接件的两端,所述后下连接杆的一端分别可转动地连接于左支架及右支架,另一支撑杆的一端固设于另一连接件的中部,所述后下连接杆的另一端分别可转动地连接于另一支撑杆的另一端。
- 如权利要求6所述一种可折叠推车,其特征在于:还包括多根均匀间隔设置的底支撑杆,所述底支撑杆的两端分别连接固定于前下连接杆与后下连接杆之间。
- 如权利要求6或7所述一种可折叠推车,其特征在于:还包括一可收缩的推杆,所述推杆的下端可转动地固设于左支架的下端,所述左支架的上端固设有一可夹持推杆的夹固件。
- 如权利要求8所述一种可折叠推车,其特征在于:所述脚轮的数量为四,其中两脚轮通过脚轮架间隔固设于右支架的下端,另外两脚轮通过脚轮架间隔固设于左支架的下端及推杆的下端,所述脚轮之间错位设置。
- 如权利要求6所述一种可折叠推车,其特征在于:所述连动杆的数量为四,每两连动杆的一端分别可转动地连接于滑动件的两侧,其中两连动杆的另一端分别可转动地连接于前上连接杆上,另两连动杆的另一端分别可转动地连接于后上连接杆上。
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