WO2009071004A1

WO2009071004A1 - A two-wheel steerable folding type luggage carrier

Info

Publication number: WO2009071004A1
Application number: PCT/CN2008/072751
Authority: WO
Inventors: Juran Pan
Original assignee: Juran Pan
Priority date: 2007-12-04
Filing date: 2008-10-20
Publication date: 2009-06-11

Abstract

A two-wheel steerable folding type luggage carrier includes a box with a rigid frame (1), a front steering shaft (2) and a rear steering shaft (3) disposed outside the box. A front pull rod (4) is disposed in the front steering shaft (2). A rear pull rod (5) is disposed in the rear steering shaft (3). A steering locking member is disposed between the front pull rod (4) and the front steering shaft (2), the rear pull rod (5) and the rear steering shaft (3),respectively. A front wheel (6) and a rear wheel (7) are disposed on the lower ends of the front pull rod (4) and the rear pull rod (5), respectively. A handle bar (8) is disposed on the upper end of the front pull rod (4). A seat (9) is disposed on the upper end of the rear pull rod (5). The front wheel (6) or the rear wheel (7) is connected to a driving device of the wheels.

Description

说明书双轮可转向折叠行李车 Manual Two-wheel steerable folding luggage cart

技术领域 Technical field

[1] 本发明涉及 [1] The invention relates to

自行车与箱体的一体化设备，具体涉及一种双轮可转向折叠行李车。 The integrated device of the bicycle and the box specifically relates to a two-wheel steerable folding luggage cart.

背景技术 Background technique

[2] [2]

[3] 行李包箱是人们出差、上班携带手提电脑、办公用品和其它行李物品的常用工具。当行李较少吋，可选用轻便的手提或肩背行李包；但当行李较多吋，则要使用载物量大的公文箱，在其底部安装有轮子，使用者在行走吋用手推、拉来驱动。显然，如果行李过于沉重，单纯用手推、拉是较吃力的，特别是对于行走路程较远、吋间又较紧张的吋候，行走很不方便。 [3] Luggage boxes are a common tool for people traveling, carrying laptops, office supplies and other luggage items to work. When the baggage is less, you can use a light hand-held or shoulder bag; but when there is more baggage, you should use a large-size briefcase with wheels mounted on the bottom. Pull to drive. Obviously, if the baggage is too heavy, it is more difficult to push and pull by hand alone, especially for walking distances and tensions during the day. It is very inconvenient to walk.

[4] 自行车是人们长期广泛使用的一种交通工具。为了便于携带及保管，各种折叠式自行车应运而生。但长期以来，自行车设计功能单一，未能充分发挥作用。 [4] Bicycles are a type of vehicle that people use for a long time. In order to be portable and safe to store, various folding bicycles have emerged. However, for a long time, bicycle design has a single function and has not been fully utilized.

[5] 专利号为 ZL200420019801.4 [5] Patent No. is ZL200420019801.4

的中国发明专利公开了一种 '电动行李箱'，由箱体、车轮、车轮架、支腿、蓄电池、传动件及活动拉手组成；箱体底部装有可折迭的车轮架和支腿，车轮架下安装有车轮，箱体的底层设有蓄电池，蓄电池提供动能给传动件，传动件驱动车轮；车轮上面装有减震器和刹车装置；箱体的底层还设有微型电动机和充电器。使用吋，其通过蓄电池提供电能驱动车轮带动箱体，可以节省人力，方便旅行者，但其仍只是一个单纯的行李箱，无法作为代步工具起到载人的作用。 The Chinese invention patent discloses an 'electric luggage case' consisting of a box, a wheel, a wheel frame, a leg, a battery, a transmission member and a movable handle; the bottom of the box is provided with a foldable wheel frame and a leg. The wheel frame is equipped with wheels, the bottom layer of the box body is provided with a battery, the battery provides kinetic energy to the transmission part, the transmission part drives the wheel; the wheel is equipped with a shock absorber and a brake device; the bottom layer of the box body is also provided with a micro motor and a charger . Using 吋, it provides power to drive the wheel to drive the box through the battery, which saves manpower and is convenient for the traveler, but it is still a simple suitcase and cannot be used as a transport tool to carry people.

[6] 专利号为 ZL200420091867.4 [6] Patent No. is ZL200420091867.4

的中国发明专利公开了一种 '便携式电动行李车'，釆用方形的车体，在车体的前部装设导向前轮，前轮通过可伸缩折合式车把连管装连着车把，车把连管连接着横轴管动配合连接车体前部的连轴套管并由定位螺栓连接定位，在车架的后部车体上并列装连有两个车后轮，一侧车后轮为动力轮装有链轮通过链条连接电动机，电动机连接着蓄电池，并在后轮上装连有刹车制动器，还在车体上面装连有能折迭支撑的平台式车座、车体前箱内装连有能折迭存放和打开成筐的折迭式车筐。作为小型运载工具，其承载能力强，拉运物品轻便省力，可根据使用需要变换折合。但其实质是一个单纯的车，使用者的行李物品还需要另外用行李箱包装好放在车上，个人外出使用吋，携带并不方便。而且其结构复杂，构件多，体积大。 The Chinese invention patent discloses a 'portable electric baggage car' with a square body, with a front wheel at the front of the car body, and a front wheel connected to the handlebar by a telescopic folding handlebar The handlebar connecting pipe is connected with the horizontal shaft pipe to cooperate with the connecting shaft sleeve at the front part of the vehicle body and is connected by the positioning bolt. Two rear wheels are connected side by side on the rear body of the frame, one side The rear wheel of the car is equipped with a sprocket through a chain to connect the motor, the motor is connected to the battery, and a brake brake is attached to the rear wheel, which is also on the body. The platform seat with the foldable support is attached, and the front box of the car body is equipped with a folding basket which can be folded and stored and opened into a basket. As a small-sized vehicle, it has a strong carrying capacity, and it is light and labor-saving for pulling goods, and can be converted according to the needs of use. However, the essence is a simple car. The user's luggage items need to be packed in a suitcase and placed on the car. It is not convenient to carry them out when they go out. Moreover, its structure is complex, with many components and large volume.

对发明的公开 Disclosure of invention

技术问题 technical problem

[7] 本发明为了克服以上现有技术存在的不足，提供了一种携带、使用方便，结构简单，容易控制，环保节能的双轮可转向折叠行李车， [7] In order to overcome the deficiencies of the prior art, the present invention provides a two-wheel steerable folding luggage cart that is convenient to carry, easy to use, simple in structure, easy to control, and environmentally friendly and energy-saving.

本发明既可用作行李箱、又可用作交通工具。 The invention can be used both as a trunk and as a vehicle.

技术解决方案 Technical solution

[8] 本实用新型的目的通过下述技术方案实现：一种磁性展示***，包括相贴合连接的磁性层和金属层，磁性层的另一侧表面与安装面相连接 [8] The object of the present invention is achieved by the following technical solution: A magnetic display system comprising a magnetic layer and a metal layer that are attached to each other, and the other side surface of the magnetic layer is connected to the mounting surface

[9] 本发明的目的通过以下的技术方案实现：本双轮可转向折叠行李车，其特征在于：包括具有刚性外框的箱体、位于箱体外侧的前转向轴和后转向轴，前转向轴内有前拉杆，后转向轴内有后拉杆，前、后拉杆与前、后转向轴之间设有转向锁紧件，前、后拉杆下端相应安装有前、后轮，前拉杆上端设有车把手，后拉杆上端设有座垫，前轮或后轮与车轮驱动装置相连接。 [9] The object of the present invention is achieved by the following technical solutions: The two-wheel steerable folding luggage cart is characterized by: a box body having a rigid outer frame, a front steering shaft and a rear steering shaft located outside the box body, front There is a front pull rod in the steering shaft, a rear pull rod in the rear steering shaft, and a steering lock between the front and rear pull rods and the front and rear steering shafts. The front and rear wheels of the front and rear pull rods are respectively equipped with front and rear wheels, and the upper end of the front pull rod. There is a handlebar, the upper end of the rear pull rod is provided with a seat cushion, and the front wheel or the rear wheel is connected with the wheel drive device.

[10] 为了使用方便，所述箱体的刚性外框内放置有行李箱。当到达目的地吋，使用者可把行李箱从行李车上拿下来，使用起来更方便。 [10] For convenience of use, a luggage case is placed in the rigid outer frame of the box. When the destination is reached, the user can take the suitcase off the baggage cart and use it more conveniently.

[11] 作为一种优选方案： [11] As a preferred option:

[12] 为了提高本行李车的整体的刚性，提高骑行吋的安全系数，所述前转向轴和后转向轴的下端之间连接有水平支撑件，前转向轴、后转向轴固定安装于箱体的前侧面、后侧面，箱体的下端与水平支撑件顶接。 [12] In order to improve the overall rigidity of the luggage cart and improve the safety factor of the riding raft, a horizontal support member is connected between the front steering shaft and the lower end of the rear steering shaft, and the front steering shaft and the rear steering shaft are fixedly mounted on The front side and the rear side of the box body are connected to the horizontal support member at the lower end of the box body.

[13] 所述车轮驱动装置包括位于后拉杆中部的脚踏和齿轮盘，齿轮盘通过链条与后轮驱动连接；所述车把手为折叠式车把手，其中部设有折叠关节与折叠锁紧件 [13] The wheel drive device comprises a pedal and a gear plate in the middle of the rear pull rod, and the gear plate is drivenly connected to the rear wheel by a chain; the handle is a folding handle, and the part is provided with a folding joint and a folding lock. Piece

[14] 作为另一种优选方案： [15] 所述前转向轴、后转向轴分别通过前转臂、后转臂与位于箱体的前中心轴、后中心轴相连接，前转向轴、后转向轴设有锁紧件。 [14] As another preferred option: [15] The front steering shaft and the rear steering shaft are respectively connected to the front central shaft and the rear central shaft of the box through the front rotating arm and the rear rotating arm, and the front steering shaft and the rear steering shaft are provided with locking members.

[16] 所述 [16]

前中心轴和前转臂为安装于箱体前侧的前圆柱体，前转向轴与前圆柱体固定连接，后中心轴和后转臂为安装于箱体后侧的后圆柱体，后转向轴与后圆柱体固定连接。 The front central shaft and the front rotating arm are front cylinders mounted on the front side of the casing, the front steering shaft is fixedly connected to the front cylinder, and the rear central shaft and the rear rotating arm are rear cylinders mounted on the rear side of the casing, and the rear steering The shaft is fixedly connected to the rear cylinder.

[17] 为更好地实现本发明，所述前 [17] In order to better implement the present invention, the former

拉杆和后拉杆均釆用可锁紧在不同长度位置的伸缩式结构， Both the tie rod and the rear pull rod are telescopic structures that can be locked at different lengths.

以根据使用者的需要更好地调整拖动箱体行走吋前、后拉杆的长度或者骑行吋前、后拉杆的高度。车把手釆用折叠式结构，折叠后的车把手一端与前拉杆连接，另一端与后拉杆连接。 In order to better adjust the length of the front and rear drawbars of the dragged box or the height of the front and rear drawbars according to the needs of the user. The handle of the handle is folded, and the folded handle is connected at one end to the front pull rod and the other end to the rear pull rod.

[18] 所述车轮驱动装置包括链轮传动组、变速齿轮组和脚踏，所述脚踏为可拆卸式结构，链轮传动组为可折叠结构，链轮传动组中的链盘三角架由固定支架和活动支架组成，后轮安装在活动支架上。 [18] The wheel drive device comprises a sprocket drive set, a shift gear set and a pedal, the pedal is a detachable structure, the sprocket drive set is a foldable structure, and the chain tripod in the sprocket drive set It consists of a fixed bracket and a movable bracket, and the rear wheel is mounted on the movable bracket.

[19] 作为进一步的优化： [19] As a further optimization:

[20] 所述前圆柱体和后圆柱体的中心轴均设有复位弹簧，前圆柱体和后圆柱体均周向绕有一条钢丝，两条钢丝经过四个导向轮连接到第一拉手。 [20] The central axes of the front cylinder and the rear cylinder are each provided with a return spring. The front cylinder and the rear cylinder are circumferentially wound with a wire, and the two wires are connected to the first handle through four guide wheels.

[21] 所述前圆柱体和后圆柱体下方设有开有两个缺口的定片，前转向轴、后转向轴的锁紧件与所述缺口配合，锁紧件连接钢丝，两条钢丝连接到第二拉手。 [21] The front cylinder and the rear cylinder are provided with a fixed piece with two notches. The locking members of the front steering shaft and the rear steering shaft cooperate with the notch, and the locking member connects the steel wire and the two steel wires. Connect to the second handle.

[22] 本双轮可转向折叠行李车的使用原理为： [22] The principle of using this two-wheel steerable folding luggage cart is:

[23] (1) 当上、下电梯，公共交通工具，出入办公大楼，商场购物，或行李较轻吋，通过前转向轴和后转向轴的锁紧件与定片配合，把前转向轴和后转向轴锁定在箱体的同一个侧面，再把前拉杆的车把手折叠，折叠后另一端与后拉杆连接，形成'行李车的手拉杆'，这样同吋也使车把手不会过于突出箱体外部而阻碍行走，这样，人便可以通过 '行李车的手拉杆'拖动行李箱行走；行走吋，可以伸缩调整前、后拉杆的长度，以适合不同人的高度，使行走更加舒适。 [23] (1) When the upper and lower elevators, public transport, access to the office building, shopping malls, or baggage are lighter, the front steering shaft is matched with the locking pieces of the front steering shaft and the rear steering shaft. And the rear steering shaft is locked on the same side of the box body, and then the handle of the front pull rod is folded, and the other end is folded and connected with the rear pull rod to form a 'handle bar of the luggage cart', so that the same handle does not make the handle of the luggage too The outer part of the box is protruded to hinder the walking, so that the person can drag the luggage box through the 'handle bar of the luggage cart'; while walking, the length of the front and rear pull rods can be adjusted to fit the height of different people, so that the walking is more Comfortable.

[24] (2) 当行李较重吋，路程较长吋，通过前转向轴和后转向轴的锁紧件与定片配合，把前转向轴和后转向轴锁定在箱体的前后侧面，同吋，把折叠的车把手的恢复展平，伸缩调整好前、后拉杆的高度并锁紧，使用者坐在座垫上，双腿放在脚踏上，双手握住车把手，通过车把手及前转向轴控制前轮行驶方向。 [24] (2) When the baggage is heavy and the distance is long, the locking members of the front steering shaft and the rear steering shaft cooperate with the fixed piece to lock the front steering shaft and the rear steering shaft to the front and rear sides of the box. Peer, folding the handlebars The recovery is flattened, the height of the front and rear levers is adjusted and locked, the user sits on the seat cushion, the legs are placed on the pedals, the handlebars are held by both hands, and the front wheels are controlled by the handlebars and the front steering shaft. Direction of travel.

[25] (3) 当不需要外出吋，可以把行李箱从箱体拿出，需要外出吋，可以把物品放到行李箱，再把行李箱放进箱体，这样，就可以带着箱体外出行走或骑行了有益效果 [25] (3) When you don't need to go out, you can take the suitcase out of the box, you need to go out, you can put the item in the suitcase, then put the suitcase into the box, so you can take the box Benefits of walking or riding outside the body

[26] 本发明与现有技术相比，具有如下优点与有益效果： [26] Compared with the prior art, the present invention has the following advantages and beneficial effects:

[27] (1) 本双轮可转向折叠行李车 [27] (1) This two-wheel steerable folding luggage cart

将具有刚性外框的箱体与自行车（在自行车装上马达便可成为电单车）结合为一体，结构简单，构件少，使用方便安全，易于控制，环保节能。 The combination of the box with the rigid frame and the bicycle (which can be used as a motorcycle when the bicycle is mounted on the bicycle) has a simple structure, few components, convenient and safe use, easy control, environmental protection and energy saving.

[28] (2) 本发明可以直接放于办公室、家中，免除被盗之苦。 [28] (2) The invention can be placed directly in the office or at home, eliminating theft.

[29] (3) 本发明在拖行状态吋，为箱体形式，适合在各种不同场合，在出差旅行 [29] (3) The present invention is in a towed state, in the form of a box, suitable for traveling in various occasions, on a business trip.

，购物及上下班从家里或公司的路途上又能以骑行状态出现，变成小型交通工具--自行车 /电单车，因而，具有较好的应用性能与市场前景。 Shopping and commuting can be seen from the home or company on the road, becoming a small-scale transportation tool--bike/motorcycle, thus having better application performance and market prospects.

附图说明 DRAWINGS

[30] 图 1是本发明一种双轮可转向折叠行李车的结构示意图。 1 is a schematic structural view of a two-wheel steerable folding luggage cart of the present invention.

[31] 图 2是图 1行李车折叠后的结构示意图。 [31] Figure 2 is a schematic view of the structure of the luggage cart of Figure 1.

[32] 图 3是本发明另一种双轮可转向折叠行李车的结构示意图。 3 is a schematic structural view of another two-wheel steerable folding luggage cart of the present invention.

[33] 图 4是图 3行李车折叠后的结构示意图。 [33] Figure 4 is a schematic view of the structure of the luggage cart of Figure 3.

[34] 图 5是本发明又一种双轮可转向折叠行李车的结构示意图。 5 is a schematic structural view of still another two-wheel steerable folding luggage cart of the present invention.

[35] 图 6是图 5行李车折叠后的结构示意图。 [35] Figure 6 is a schematic view of the structure of the luggage cart of Figure 5.

[36] 图 7是图 5的立体图。 Figure 7 is a perspective view of Figure 5.

[37] 图 8是图 6的立体图。 Figure 8 is a perspective view of Figure 6.

[38] 图 9是本发明再一种双轮可转向折叠行李车的结构示意图。 9 is a schematic structural view of still another two-wheel steerable folding luggage cart of the present invention.

[39] 图 10是图 9行李车折叠后的结构示意图。 [39] Figure 10 is a schematic view of the structure of the luggage cart of Figure 9.

本发明的实施方式 Embodiments of the invention

[40] 下面结合附图和实施例对本发明作进一步说明。 The invention will now be further described with reference to the drawings and embodiments.

[41] 实施例 1 ： [42] 如图 1和图 2所示的双轮可转向折叠行李车，包括具有刚性外框的箱体 1 、位于箱体 1外侧的前转向轴 2和后转向轴 3，前转向轴 2内有前拉杆 4 ，后转向轴 3内有后拉杆 5，前拉杆 4、后拉杆 5与前转向轴 2、后转向轴 3 之间设有转向锁紧件，前拉杆 4、后拉杆 5下端相应安装有前轮 6、后轮 7 ，前拉杆 4上端设有车把手 8，后拉杆 5上端设有座垫 9，后轮 7 [41] Example 1: [42] A two-wheel steerable folding luggage cart as shown in FIGS. 1 and 2, comprising a box 1 having a rigid outer frame, a front steering shaft 2 and a rear steering shaft 3 located outside the casing 1, and a front steering shaft 2 There is a front pull rod 4 therein, and a rear pull rod 5 is arranged in the rear steering shaft 3, and a front steering rod 4, a rear pull rod 5 is provided with a steering lock member between the front steering shaft 2 and the rear steering shaft 3, and the front pull rod 4 and the rear pull rod 5 are at the lower end. The front wheel 6 and the rear wheel 7 are respectively installed, and the upper end of the front pull rod 4 is provided with a handlebar 8 and the upper end of the rear pull rod 5 is provided with a seat cushion 9 and a rear wheel 7

与车轮驱动装置相连接。箱体 1的刚性外框内放置有行李箱。 Connected to the wheel drive. A suitcase is placed in the rigid outer frame of the cabinet 1.

[43] 前转向轴 2和后转向轴 3的下端之间连接有水平支撑件 10，前转向轴 2 [43] Horizontal support 10, front steering shaft 2 is connected between the front steering shaft 2 and the lower end of the rear steering shaft 3

、后转向轴 3固定安装于箱体 1的前侧面、后侧面，箱体 1 The rear steering shaft 3 is fixedly mounted on the front side and the rear side of the cabinet 1, and the cabinet 1

的下端与水平支撑件 10顶接。 The lower end is contiguous with the horizontal support member 10.

[44] 车轮驱动装置包括位于后拉杆 5中部的脚踏 11和齿轮盘 12，齿轮盘 12 通过链条 13与后轮 7驱动连接；车把手 8 [44] The wheel drive unit includes a footrest 11 and a gear plate 12 in the middle of the rear pull rod 5, and the gear plate 12 is drivingly coupled to the rear wheel 7 via a chain 13;

为折叠式车把手，其中部设有折叠关节与折叠锁紧件 14。 For the folding handlebar, the folding part and the folding locking member 14 are provided in the middle part.

[45] 实施例 2： [45] Example 2:

[46] 如图 3和图 4所示的另一种双轮可转向折叠行李车，包括具有刚性外框的箱体 1、位于箱体 1外侧的前转向轴 2和后转向轴 3，前转向轴 2内有前拉杆 4 ，后转向轴 3内有后拉杆 5，前拉杆 4、后拉杆 5与前转向轴 2、后转向轴 3 之间设有转向锁紧件，前拉杆 4、后拉杆 5下端相应安装有前轮 6、后轮 7 ，前拉杆 4上端设有车把手 8，后拉杆 5上端设有座垫 9，后轮 7 [46] Another two-wheel steerable folding luggage cart as shown in FIGS. 3 and 4, comprising a box body having a rigid outer frame, a front steering shaft 2 and a rear steering shaft 3 located outside the casing 1, front The steering shaft 2 has a front pull rod 4, and the rear steering shaft 3 has a rear pull rod 5, and the front pull rod 4, the rear pull rod 5 and the front steering shaft 2, the rear steering shaft 3 are provided with a steering lock member, the front pull rod 4, the rear The lower end of the tie rod 5 is correspondingly equipped with a front wheel 6 and a rear wheel 7. The upper end of the front pull rod 4 is provided with a handlebar 8 and the upper end of the rear pull rod 5 is provided with a seat cushion 9 and a rear wheel 7

与车轮驱动装置相连接。 Connected to the wheel drive.

[47] 前转向轴 2、后转向轴 3分别通过前转臂 15、后转臂 16与位于箱体 1 [47] Front steering shaft 2, rear steering shaft 3 through the front arm 15, the rear arm 16 and the housing 1

的前中心轴 17、后中心轴 18相连接，前转向轴 2、后转向轴 3设有锁紧件。 The front central shaft 17 and the rear central shaft 18 are connected, and the front steering shaft 2 and the rear steering shaft 3 are provided with locking members.

[48] 实施例 3： [48] Example 3:

[49] 如图 5、图 6、图 7和图 8 [49] Figure 5, Figure 6, Figure 7 and Figure 8

所示的又一种双轮可转向折叠行李车，包括具有刚性外框的箱体 1、位于箱体 1 外侧的前转向轴 2和后转向轴 3，前转向轴 2内有前拉杆 4，后转向轴 3 内有后拉杆 5，前拉杆 4、后拉杆 5与前转向轴 2、后转向轴 3 Yet another type of two-wheel steerable folding luggage cart includes a box body having a rigid outer frame, a front steering shaft 2 and a rear steering shaft 3 located outside the casing 1, and a front pull rod 4 in the front steering shaft 2, The rear steering shaft 3 has a rear pull rod 5, a front pull rod 4, a rear pull rod 5 and a front steering shaft 2, and a rear steering shaft 3

之间设有转向锁紧件，前拉杆 4、后拉杆 5下端相应安装有前轮 6、后轮 7 ，前拉杆 4上端设有车把手 8，后拉杆 5上端设有座垫 9，后轮 7 与车轮驱动装置相连接。 There is a steering lock between the front pull rod 4 and the rear end of the rear pull rod 5, and the front wheel 6 and the rear wheel 7 are respectively arranged at the lower end of the front pull rod 4, and the upper end of the front pull rod 4 is provided with a handlebar 8 and the rear end of the rear pull rod 5 is provided with a seat cushion 9 and a rear wheel. 7 Connected to the wheel drive.

[50] 前转向轴 2与前圆柱体 19固定连接，后转向轴 3与后圆柱体 20 [50] Front steering shaft 2 is fixedly connected to the front cylinder 19, rear steering shaft 3 and rear cylinder 20

固定连接。前转向轴 2、后转向轴 3设有锁紧件。 Fixed connection. The front steering shaft 2 and the rear steering shaft 3 are provided with locking members.

[51] 前拉杆 4和后拉杆 5均釆用可锁紧在不同长度位置的伸缩式结构；车把手 8 釆用折叠式结构，折叠后的车把手 8—端与前拉杆 4连接，另一端与后拉杆 5 连接。 [51] Both the front tie rod 4 and the rear pull rod 5 are telescopic structures that can be locked at different lengths; the handlebars 8 are folded in a folding structure, and the folded end of the handlebar 8 is connected to the front pull rod 4, the other end Connected to the rear lever 5.

[52] 车轮驱动装置包括链轮传动组 21、变速齿轮组 22和脚踏 11，脚踏 11 [52] Wheel drive includes sprocket drive set 21, shifting gear set 22 and pedal 11, pedal 11

为可拆卸式结构，链轮传动组 21为可折叠结构，链轮传动组 21 For the detachable structure, the sprocket drive set 21 is of a foldable structure, the sprocket drive set 21

中的链盘三角架由固定支架 24和活动支架 23组成，后轮 7安装在活动支架 23 上。为了进一步缩小行李车折叠后的体积，骑行吋可把活动支架 23 The sprocket tripod in the middle consists of a fixed bracket 24 and a movable bracket 23, and the rear wheel 7 is mounted on the movable bracket 23. In order to further reduce the volume of the luggage cart after folding, the riding bracket can be used to move the movable bracket 23

向后拉出，拉行吋可把活动支架 23向前收起。 Pull back and pull the movable bracket 23 forward.

[53] 实施例 4： [53] Example 4:

[54] 如图 9和图 10 [54] Figure 9 and Figure 10

所示的再一种双轮可转向折叠行李车，结构除了下列特征与实施例 3相同： Another type of two-wheel steerable folding luggage cart is shown, the structure being identical to the third embodiment except for the following features:

[55] 前圆柱体 19和后圆柱体 20的中心轴均设有复位弹簧 25，前圆柱体 19 [55] The central axes of the front cylinder 19 and the rear cylinder 20 are each provided with a return spring 25, front cylinder 19

和后圆柱体 20均周向绕有一条钢丝 26，两条钢丝 26经过四个导向轮 27 连接到第一拉手 28。 Both the rear cylinder 20 and the rear cylinder 20 are circumferentially wound with a wire 26, and the two wires 26 are connected to the first handle 28 via four guide wheels 27.

[56] 前圆柱体 19和后圆柱体 20下方设有开有两个缺口的定片 29，前转向轴 2 [56] A fixed piece 29 with two notches is provided under the front cylinder 19 and the rear cylinder 20, the front steering shaft 2

、后转向轴 3的锁紧件 30与所述缺口配合，锁紧件 30连接钢丝 31，两条钢丝The locking member 30 of the rear steering shaft 3 is engaged with the notch, and the locking member 30 is connected with the steel wire 31, two steel wires

31连接到第二拉手 32。 31 is connected to the second handle 32.

[57] 先拉动第二拉手 32，使锁紧件 30脱离定片 29的缺口，再拉动第一拉手 28[57] Pull the second handle 32 first to disengage the locking member 30 from the notch of the stator 29, and then pull the first handle 28

，使前转向轴 2、后转向轴 3旋转，变成骑行状态后，放开第二拉手 32, the front steering shaft 2, the rear steering shaft 3 is rotated, and after the riding state is released, the second pull handle is released 32

，锁紧件 30扣入定片 29 , the locking member 30 is fastened into the fixed piece 29

的缺口，便可骑行。当需要变回折叠状态吋，只需拉动第二拉手 32，使锁紧件 30脱离定片 29的缺口，前转向轴 2、后转向轴 3便在复位弹簧 25 The gap can be ridden. When it is necessary to change back to the folded state, it is only necessary to pull the second handle 32 to disengage the locking member 30 from the notch of the stator 29, and the front steering shaft 2 and the rear steering shaft 3 are at the return spring 25

的作用下旋转回折叠状态，放开第二拉手 32，锁紧件 30扣入定片 29 的缺口，变回折叠状态。 Rotating back to the folded state by the action, releasing the second handle 32, the locking member 30 is buckled into the notch of the fixed piece 29 and returned to the folded state.

[58] 本双轮可转向折叠行李车的使用原理为： [59] ( 1 [58] The principle of use of this two-wheel steerable folding luggage cart is: [59] ( 1

) 当上、下电梯，公共交通工具，出入办公大楼，商场购物，或行李较轻吋，通过前转向轴 2和后转向轴 3的锁紧件 30与定片 29配合，把前转向轴 2 和后转向轴 3锁定在箱体 1的同一个侧面，再把前拉杆 4的车把手 8 When the upper and lower elevators, public transportation, access to the office building, shopping malls, or luggage are light, the locking members 30 of the front steering shaft 2 and the rear steering shaft 3 cooperate with the fixed piece 29 to turn the front steering shaft 2 And the rear steering shaft 3 is locked on the same side of the casing 1, and the handlebar 8 of the front pull rod 4 is further

折叠，折叠后另一端与后拉杆 5 Folding, folding the other end and the rear lever 5

连接，形成'行李车的手拉杆'，这样同吋也使车把手 8不会过于突出箱体 1 外部而阻碍行走，这样，人便可以通过 '行李车的手拉杆'拖动行李箱行走；行走吋，可以伸缩调整前拉杆 4、后拉杆 5 The connection forms the 'handle bar of the baggage car', so that the car handle 8 does not protrude too much outside the box 1 and hinders the walking, so that the person can drag the suitcase through the 'handle bar of the baggage car'; Walking 吋, can adjust the front pull rod 4, rear pull rod 5

的长度，以适合不同人的高度，使行走更加舒适。 The length is suitable for different people's heights, making walking more comfortable.

[60] ( 2 ) 当行李较重吋，路程较长吋，通过前转向轴 2和后转向轴 3的锁紧件 30 与定片 29配合，把前转向轴 2和后转向轴 3锁定在箱体 1 [60] (2) When the baggage is heavier and longer, the locking member 30 passing through the front steering shaft 2 and the rear steering shaft 3 cooperates with the fixed piece 29 to lock the front steering shaft 2 and the rear steering shaft 3 in Case 1

的前后侧面，同吋，把折叠的车把手 8的恢复展平，伸缩调整好前拉杆 4 、后拉杆 5的高度并锁紧，使用者坐在座垫 9上，双腿放在脚踏 11 Front and rear sides, at the same time, flatten the recovery of the folded handlebar 8, retract the height of the front pull rod 4 and the rear pull rod 5 and lock it, the user sits on the seat cushion 9 and the legs are placed on the pedal 11

上，双手握住车把手 8，通过车把手 8及前转向轴 2控制前轮 6行驶方向。 Above, hold the handlebars with both hands 8. Control the front wheel 6 travel direction by the handlebars 8 and the front steering axle 2.

[61] ( 3 ) 当不需要外出吋，可以把行李箱从箱体 1 [61] ( 3 ) When you do not need to go out, you can take the suitcase from the box 1

拿出，需要外出吋，可以把物品放到行李箱，再把行李箱放进箱体 1 Take out, you need to go out, you can put the item in the suitcase, then put the suitcase into the box 1

，这样，就可以带着箱体 1外出行走或骑行了。 In this way, you can walk or ride with the box 1 out.

[62] 上述具体实施方式为本发明的优选实施例，并不能对本发明的权利要求进行限定，其他的任何未背离本发明的技术方案而所做的改变或其它等效的置换方式，都包含在本发明的保护范围之内。 The above-mentioned embodiments are the preferred embodiments of the present invention, and the claims of the present invention are not limited, and any other changes or other equivalent replacements that do not depart from the technical solutions of the present invention include It is within the scope of the invention.

Claims

权利要求书 Claim

[1] 双轮可转向折叠行李车，其特征在于：包括具有刚性外框的箱体、位于箱体外 [1] Two-wheel steerable folding luggage cart, characterized by: including a box with a rigid outer frame, outside the box

侧的前转向轴和后转向轴，前转向轴内有前拉杆，后转向轴内有后拉杆，前、后 Front and rear steering axles, front axle with front linkage and rear steering axle with rear linkage, front and rear

拉杆与前、后转向轴之间设有转向锁紧件，前、后拉杆下端相应安装有前、后轮 There is a steering lock between the tie rod and the front and rear steering shafts, and the front and rear wheels are respectively installed at the lower ends of the front and rear drawbars.

，前拉杆上端设有车把手，后拉杆上端设有座垫，前轮或后轮与车轮驱动装置相连接。 The front handle has a handle on the upper end, and the upper end of the rear pull rod is provided with a seat cushion, and the front wheel or the rear wheel is connected with the wheel drive device.

[2] 根据权利要求 1所述的双轮可转向折叠行李车，其特征在于： [2] The two-wheel steerable folding luggage cart of claim 1, wherein:

所述箱体的刚性外框内放置有行李箱。 A luggage case is placed in the rigid outer frame of the box.

[3] 根据权利要求 1所述的双轮可转向折叠行李车，其特征在于：所述前转向轴和 [3] The two-wheel steerable folding luggage cart according to claim 1, wherein: the front steering shaft and

后转向轴的下端之间连接有水平支撑件，前转向轴、后转向轴固定安装于箱体的前侧面、后侧面，箱体的下端与水平支撑件顶接。 A horizontal support member is connected between the lower ends of the rear steering shaft, and the front steering shaft and the rear steering shaft are fixedly mounted on the front side and the rear side of the box body, and the lower end of the box body is connected to the horizontal support member.

[4] 根据权利要求 3所述的双轮可转向折叠行李车，其特征在于：所述车轮驱动装 [4] The two-wheel steerable folding luggage cart according to claim 3, wherein: the wheel drive device

置包括位于后拉杆中部的脚踏和齿轮盘，齿轮盘通过链条与后轮驱动连接；所述车把手为折叠式车把手，其中部设有折叠关节与折叠锁紧件。 The utility model comprises a pedal and a gear wheel located in the middle of the rear pull rod, wherein the gear wheel is drivenly connected with the rear wheel through a chain; the handle is a folding handle, and a folding joint and a folding lock are arranged in the middle part.

[5] 根据权利要求 1所述的双轮可转向折叠行李车，其特征在于：所述前转向轴后转向轴分别通过前转臂、后转臂与位于箱体的前中心轴、后中心轴相连接，前转向轴、后转向轴设有锁紧件。 [5] The two-wheel steerable folding luggage cart according to claim 1, wherein: the front steering axle rear steering axle passes through the front swing arm, the rear swing arm, and the front center shaft and the rear center of the box body respectively. The shafts are connected, and the front steering shaft and the rear steering shaft are provided with locking members.

[6] 根据权利要求 5所述的双轮可转向折叠行李车，其特征在于：所述前中心轴和 [6] The two-wheel steerable folding luggage cart of claim 5, wherein: said front central axis and

前转臂为安装于箱体前侧的前圆柱体，前转向轴与前圆柱体固定连接，后中心轴 The front arm is a front cylinder mounted on the front side of the box, the front steering shaft is fixedly connected to the front cylinder, and the rear center shaft

和后转臂为安装于箱体后侧的后圆柱体，后转向轴与后圆柱体固定连接。 The rear arm is a rear cylinder mounted on the rear side of the casing, and the rear steering shaft is fixedly connected to the rear cylinder.

[7] 根据权利要求 6所述的双轮可转向折叠行李车，其特征在于：所述前拉杆和后 [7] The two-wheel steerable folding luggage cart according to claim 6, wherein: the front pull rod and the rear

拉杆均釆用可锁紧在不同长度位置的伸缩式结构；车把手釆用折叠式结构，折叠后的车把手一端与前拉杆连接，另一端与后拉杆连接。 The drawbars are all telescopic structures that can be locked at different lengths; the handlebars are folded in a folding structure, the folded handlebars are connected at one end to the front pull rods, and the other end is connected to the rear pull rods.

[8] 根据权利要求 7所述的双轮可转向折叠行李车，其特征在于：所述车轮驱动装 [8] The two-wheel steerable folding luggage cart according to claim 7, wherein: the wheel drive device

置包括链轮传动组、变速齿轮组和脚踏，所述脚踏为可拆卸式结构，链轮传动组 The utility model comprises a sprocket transmission group, a shift gear set and a pedal, wherein the pedal is a detachable structure, a sprocket transmission group

为可折叠结构，链轮传动组中的链盘三角架由固定支架和活动支架组成，后轮安装在活动支架上。 For the foldable structure, the sprocket tripod in the sprocket drive set consists of a fixed bracket and a movable bracket, and the rear wheel is mounted on the movable bracket.

[9] 据权利要求 6所述的双轮可转向折叠行李车，其特征在于：所述前圆柱体和后圆柱体的中心轴均设有复位弹簧，前圆柱体和后圆柱体均周向绕有一条钢丝，两条钢丝经过四个导向轮连接到第一拉手。 [9] The two-wheel steerable folding luggage cart according to claim 6, wherein: the central axes of the front cylinder and the rear cylinder are each provided with a return spring, and the front cylinder and the rear cylinder are circumferentially oriented. There is a wire around it, and the two wires are connected to the first handle through four guide wheels.

[10] 根据权利要求 9所述的双轮可转向折叠行李车，其特征在于：所述前圆柱体和 [10] The two-wheel steerable folding luggage cart of claim 9, wherein: the front cylinder and

后圆柱体下方设有开有两个缺口的定片，前转向轴、后转向轴的锁紧件与所述缺口配合，锁紧件连接钢丝，两条钢丝连接到第二拉手。 A fixed piece with two notches is arranged under the rear cylinder, and the locking members of the front steering shaft and the rear steering shaft cooperate with the notches, the locking members connect the wires, and the two wires are connected to the second handle.