WO2017008411A1 - 一种折叠机构及折叠车 - Google Patents

一种折叠机构及折叠车 Download PDF

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Publication number
WO2017008411A1
WO2017008411A1 PCT/CN2015/092720 CN2015092720W WO2017008411A1 WO 2017008411 A1 WO2017008411 A1 WO 2017008411A1 CN 2015092720 W CN2015092720 W CN 2015092720W WO 2017008411 A1 WO2017008411 A1 WO 2017008411A1
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WIPO (PCT)
Prior art keywords
rotating member
tube
folding mechanism
disposed
folding
Prior art date
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PCT/CN2015/092720
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English (en)
French (fr)
Inventor
邵金
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深圳市恩斯迈新能源有限公司
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Publication of WO2017008411A1 publication Critical patent/WO2017008411A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K15/00—Collapsible or foldable cycles

Definitions

  • the present invention relates to the field of vehicle engineering, and in particular to a folding mechanism and a folding vehicle.
  • Non-motorized vehicles such as bicycles and electric vehicles are commonly used vehicles and fitness tools.
  • people have paid more and more attention to the use of space, so folding bicycles with folding mechanisms have become the mainstream of non-motor vehicles.
  • the function of the folding mechanism is to fold the folding bicycle to make it smaller in size, which is convenient for storage and transportation. Most of the existing folding mechanisms are complicated in structure, and it is not convenient enough to be folded, which is a waste of time.
  • the present invention provides a folding mechanism and a folding cart.
  • An aspect of the present invention provides a folding mechanism including a support assembly, a rotating assembly, and a limiting assembly;
  • the rotating assembly includes an outer rotating member, an inner rotating member and a connecting member, and the outer rotating member and the inner rotating member are sleeved Provided outside the connecting member and rotatably connected to the connecting member, the outer rotating member has at least two pieces and is symmetrically distributed on left and right sides of the inner rotating member;
  • the supporting assembly comprises a first support member on the rotating member and a second support member disposed on the inner rotating member;
  • the limiting component includes a limiting pin and a limiting slot, and the limiting slot has at least two, limited position
  • the slot is annularly distributed on the rotating component along an axis of the rotating component; when the limiting pin is inserted into the limiting slot, the outer rotating component and the inner rotating component cannot rotate relative to each other.
  • the folding mechanism has a simple structure and is convenient to use, and can be quickly folded and unfolded.
  • the limiting pin is disposed on the inner rotating member, the limiting slot is disposed on the outer rotating member; the limiting pin is connected with a pull rod, and one end of the pull rod extends out of the inner portion
  • the rotating member forms an operating portion. The operation portion can conveniently operate the limit pin to be engaged or disengaged from the limit groove.
  • the operating portion is disposed in the second support member, and the end of the operating portion is connected with a handle, and the handle extends out of the second supporting member.
  • the moving handle can drive the rod to move, which in turn drives the limit pin to move.
  • the limiting pin has a strip shape, and a longitudinal direction thereof is parallel to an axial direction of the inner rotating member; a U-shaped through hole is formed in the second supporting member, and a length direction of the U-shaped through hole is Inside The axis of the rotating member is perpendicular to the axis. Pulling the handle away from the inner rotating member drives the limit pin to move, so that the limit pin can be separated from the limit groove.
  • the pull rod is provided with a limit spring, and the limit spring is in a compressed state after the limit pin is separated from the limit groove.
  • the design of the limit spring makes the limit pin have the function of automatic homing; when the handle is pulled, the limit pin can be separated from the limit slot, and the elastic force of the limited position spring is released after the handle is released, so that the limit pin is reset.
  • the connecting member is cylindrical, and the left and right ends of the side portion of the connecting member are provided with grooves for mounting the outer rotating member.
  • the groove is designed to allow the outer rotating member to be securely mounted on the connector.
  • the inner rotating member comprises two semi-circular structural members that are detachably connected.
  • This design allows the inner rotary member to be easily processed and can be easily mounted to the connector.
  • the two semi-circular structural members are connected by bolts to stabilize the connection therebetween.
  • the direction of the bolt is perpendicular to the axial direction of the inner rotating member, which facilitates assembly.
  • the device includes a seat tube and a lower tube; the wheel includes a front wheel and a rear wheel, the seat is disposed on the seat tube, the front wheel is disposed on the lower tube, and the handle is disposed on the The tube is disposed on the rear fork.
  • the folding bicycle provided by the present invention further includes a suspension mechanism, the suspension mechanism includes a front tube, and the upper tube is slidably coupled to the front tube through an upper node, and the lower tube is fixed to the front portion through a lower node On the front tube, a shock absorber spring is disposed between the upper node and the lower node.
  • the handle is disposed at an upper end of the front tube, and the front wheel is disposed at a lower end of the front tube.
  • the invention has the beneficial effects that the folding mechanism and the folding cart provided by the invention can quickly complete the folding work of the vehicle body, is simple, easy to operate, and saves time.
  • Figure 1 is a front elevational view of a folding mechanism provided by an embodiment of the present invention
  • Figure 2 is a front elevational view of the outer rotating member of the folding mechanism provided by the embodiment of the present invention.
  • Figure 3 is a front elevational view of the connector of the folding mechanism provided by the embodiment of the present invention.
  • Figure 4 is a perspective structural view of the connector shown in Figure 3;
  • Figure 5 is a front elevational view showing the connection of the connecting member of the folding mechanism and the outer rotating member according to the embodiment of the present invention
  • FIG. 6 is a schematic perspective structural view of a connecting member of a folding mechanism according to an embodiment of the present invention and an outer rotating member;
  • FIG. 7 is a front view showing the connection between the seat tube of the folding mechanism and the inner rotating member and the outer rotating member according to the embodiment of the present invention.
  • FIG. 8 is a schematic perspective view showing the connection between the seat tube of the folding mechanism and the inner rotating member and the outer rotating member according to the embodiment of the present invention
  • FIG. 9 is a front view showing the connection between the seat tube and the lower tube of the folding mechanism according to the embodiment of the present invention, and the inner rotating member and the outer rotating member;
  • FIG. 10 is a schematic perspective structural view of a connecting rod, a handle, a limit spring, and a limit pin connection of the folding mechanism according to an embodiment of the present invention
  • FIG. 11 is a schematic perspective structural view of a folding bicycle according to an embodiment of the present invention.
  • Figure 12 is a front elevational view of a folding bicycle provided by an embodiment of the present invention.
  • Figure 13 is a front elevational view of the suspension mechanism of the folding bicycle according to an embodiment of the present invention.
  • FIG. 14 is a schematic diagram showing the internal structure of a suspension mechanism in a folding vehicle according to an embodiment of the present invention.
  • Non-motorized vehicles such as bicycles and electric vehicles are commonly used vehicles and fitness tools.
  • people have paid more and more attention to the use of space, so folding bicycles with folding mechanisms have become the mainstream of non-motor vehicles.
  • the function of the folding mechanism is to fold the folding bicycle to make it smaller in size, which is convenient for storage and transportation. Most of the existing folding mechanisms are complicated in structure, and it is not convenient enough to be folded, which is a waste of time.
  • the designer of the present invention has designed a folding mechanism and a folding bicycle having the folding mechanism through long-term exploration and trial, as well as repeated experiments and efforts, and constantly reforming and innovating, using the folding mechanism and
  • the folding cart having the folding mechanism can better improve the above problems.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” and “second” may include one or more of the features either explicitly or implicitly.
  • the meaning of "a plurality” is two or more unless specifically and specifically defined otherwise.
  • the terms “installation”, “connected”, “connected”, “fixed” and the like shall be understood broadly, and may be either a fixed connection or a detachable connection, unless explicitly stated and defined otherwise. , or integrated; can be mechanical connection, or can be electrical connection; can be directly connected, or can be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction of two elements.
  • installation can be understood on a case-by-case basis.
  • the first feature "on” or “under” the second feature may include direct contact of the first and second features, and may also include first and second features, unless otherwise specifically defined and defined. It is not in direct contact but through additional features between them.
  • the first feature "above”, “above” and “above” the second feature includes the first feature directly above and above the second feature, or merely indicating that the first feature level is higher than the second feature.
  • the first feature “below”, “below” and “below” the second feature includes the first feature directly below and below the second feature, or merely the first feature level being less than the second feature.
  • FIG. 1 is a front view of a folding mechanism according to an embodiment of the present invention
  • FIG. 2 is a front view of an outer rotating member of a folding mechanism according to an embodiment of the present invention
  • FIG. 3 is a main part of a connecting member of a folding mechanism according to an embodiment of the present invention
  • 4 is a perspective view of the connecting member shown in FIG. 3
  • FIG. 5 is a front view showing the connecting member of the folding mechanism according to the embodiment of the present invention and the outer rotating member
  • FIG. 6 is a folding provided by an embodiment of the present invention
  • FIG. 7 is a front view showing the connection between the seat tube of the folding mechanism and the inner rotating member and the outer rotating member according to the embodiment of the present invention
  • FIG. 8 is a front view of the embodiment of the present invention
  • FIG. 9 is a front view showing the connection between the seat tube and the lower tube of the folding mechanism and the inner rotating member and the outer rotating member according to the embodiment of the present invention
  • FIG. 9 is a front view showing the connection between the seat tube and the inner rotating member and the outer rotating member of the folding mechanism according to the embodiment of the present invention
  • 10 is a schematic three-dimensional structure diagram of a connecting rod, a handle, a limit spring and a limit pin connection of the folding mechanism provided by the embodiment of the present invention.
  • an aspect of the present invention provides a folding mechanism including a support assembly, a rotating assembly, and a limiting assembly;
  • the rotating assembly includes an outer rotating member 201, an inner rotating member 202, and a connecting member 203, and the outer rotating member 201
  • the inner rotating member 202 is sleeved on the outside of the connecting member 203 and is rotatably connected to the connecting member 203.
  • the outer rotating member 201 has at least two pieces and is symmetrically distributed on the left and right sides of the inner rotating member 202.
  • the supporting assembly includes the outer rotating member 201.
  • the axis of the assembly is annularly distributed on the rotating assembly; when the limiting pin 204 is inserted into the limiting slot 205, the outer rotating member 201 and the inner rotating member 202 cannot be rotated relative to each other.
  • This folding mechanism is applied to other non-motor vehicles such as bicycles or electric vehicles.
  • the supporting assembly is used to support the components, and the rotating component and the limiting component are the main working components of the folding mechanism; the outer rotating component 201 and the inner rotating component 202 are all disposed outside the connecting component 203, and are all rotatable relative to the connecting component 203.
  • the rotation angles of the rotating member 201 and the inner rotating member 202 on the connecting member 203 are not uniform, relative rotation occurs therebetween.
  • the folding mechanism is in a locked state; when the limiting pin 204 and the limiting slot 205 are After the separation, the relative rotation between the outer rotating member 201 and the inner rotating member 202 can be generated.
  • the limit slot 205 can also be other numbers. Preferably two.
  • the folding mechanism has a simple structure and is convenient to use, and can be folded and unfolded quickly.
  • FIG. 11 is a perspective view of a folding vehicle according to an embodiment of the present invention
  • FIG. 12 is a front view of a folding vehicle provided by an embodiment of the present invention
  • FIG. 14 is a schematic diagram showing the internal structure of a suspension mechanism in a folding vehicle according to an embodiment of the present invention.
  • another aspect of the present invention provides a folding cart including a handle, a wheel, a seat and a folding mechanism (i.e., the folding mechanism) provided by the present invention, the first support on the folding mechanism
  • the second support member includes a seat tube 213 and a lower tube 212.
  • the second support member includes a seat tube 213 and a lower tube 212.
  • the wheel includes a front wheel and a rear wheel.
  • the seat is disposed on the seat tube 213, and the front wheel is disposed on the lower tube 212. It is disposed on the upper tube 211, and the rear wheel is disposed on the rear fork 214.
  • a folding cart to which a folding mechanism is applied is used, and when the folding, the upper tube 211 and the rear fork 214 are relatively rotated with the seat tube 213 and the lower tube 212, so that the structure of the folding bicycle can be made small.
  • the function of the limiting pin 204 and the limiting slot 205 is to limit the rotation of the rotating mechanism.
  • the limiting pin 204 and the limiting slot 205 are engaged, the outer rotating member 201 and the inner rotating member 202 cannot rotate relative to each other. Therefore, the limiting pin 204 and the limiting slot 205 need to be respectively disposed on the outer rotating member 201 and the inner rotating member 202.
  • the limiting slot 205 is disposed on the outer rotating member 201; when the limiting pin 204 is disposed on the outer rotating member 201, the limiting slot 205 is disposed on the inner rotating member 202. Both designs enable the folding mechanism to complete the folding work.
  • the following is an example in which the limit pin 204 is disposed on the inner rotating member 202 as an example.
  • the limiting pin 204 is connected with a pull rod 206, and one end of the pull rod 206 extends out of the inner rotating member 202 to form an operating portion.
  • the limit pin 204 can be conveniently operated by the operation portion to be engaged or disengaged from the limit groove 205.
  • the operating portion of the pull rod 206 may extend outside the inner rotating member 202 at the outer portion of the inner rotating member 202; preferably, the operating portion is disposed in the second supporting member, and the end of the operating portion is connected with a handle 207, and the handle 207 extends out of the Two support members.
  • the moving handle 207 can drive the rod 206 to move, thereby driving the limit pin 204 to move.
  • This design makes the limit pin 204 and the tie rod 206 less susceptible to other components, so that the limit pin 204 can better perform the limit work.
  • the limiting pin 204 has a strip shape with a longitudinal direction parallel to the axial direction of the inner rotating member 202; the second supporting member is provided with a U-shaped through hole 208, the length direction of the U-shaped through hole 208 and the inner rotating member
  • the axis direction of 202 is perpendicular.
  • the handle 207 is pulled away from the inner rotating member 202 to drive the limiting pin 204 to move, so that the limiting pin 204 can be separated from the limiting slot 205 .
  • a limit spring 209 is disposed on the pull rod 206.
  • the spring is in a compressed state.
  • the limiting spring 209 is designed to have the automatic positioning function of the limiting pin 204; when the handle 207 is pulled, the limiting pin 204 can be separated from the limiting slot 205, and the elastic force of the restricted position spring 209 is released after the handle 207 is released, and the limit is limited. Pin 204 is reset.
  • the connecting member 203 is preferably cylindrical, and the left and right ends of the side portion of the connecting member 203 are provided with grooves 210 for mounting the outer rotating member 201.
  • the groove 210 is designed such that the outer rotating member 201 can be stably mounted on the connecting member 203. After the outer rotating member 201 is mounted on the connecting member 203, a stopper is added to the end of the connecting member 203 to ensure that the outer rotating member 201 does not fall from the connecting member 203.
  • the inner rotating member 202 includes two detachably connected semi-circular structural members. This design facilitates the inner rotary member 202 and can be easily mounted to the connector 203.
  • the two semi-circular structural members are preferably connected by bolts to secure the connection therebetween.
  • the direction of the bolt is preferably perpendicular to the axial direction of the inner rotating member 202, which facilitates assembly.
  • the folding vehicle to which the above-mentioned shock absorbing mechanism is applied has a good folding function, and the folding is very convenient.
  • the folding vehicle further includes a suspension mechanism including a front tube 101 and an upper tube 211 passing through the upper section
  • the point 102 is slidably coupled to the front tube 101.
  • the lower tube 212 is fixed to the front tube 101 through the lower node 103, and a shock absorber spring is disposed between the upper node 102 and the lower node 103.
  • the vehicle is susceptible to vibration caused by road surface inequality during driving, and the shock absorber mechanism can better offset the vibration so that the vehicle can smoothly move forward.
  • the suspension mechanism is mainly realized by the shock absorber spring.
  • the upper node 102 slides downward to compress the shock absorber spring; after the vibration source disappears, the shock spring rebounds, and the upper node 102 is driven back, and the process is completed. shock.
  • the folding mechanism is used in conjunction with the suspension mechanism, and when the vehicle is folded, the upper node 102 slides along the front tube 101, so that the folding work can be smoothly performed.
  • the handle is provided at the upper end of the front tube 101, and the front wheel is provided at the lower end of the front tube 101.
  • the direction of the front wheels can be adjusted by the handles.
  • the folding bicycle can be an electric vehicle.
  • the rear fork is provided with a battery box
  • the rear wheel is a motor wheel, and is connected with the battery box.
  • the battery box can supply power to the motor wheel and drive it to rotate;
  • a horn light is provided at the front of the front tube to provide illumination.
  • a folding mechanism includes a supporting component, a rotating component and a limiting component; the rotating component comprises an outer rotating component 201, an inner rotating component 202 and a connecting component 203, and the outer rotating component 201 and the inner rotating component 202 are sleeved on the connecting component 203 Externally and rotatably connected with the connecting member 203, the outer rotating member 201 has two pieces and is symmetrically distributed on the left and right sides of the inner rotating member 202.
  • the supporting assembly includes a first supporting member disposed on the outer rotating member 201 and disposed on the inner rotating member 202.
  • the second supporting member; the limiting component includes a limiting pin 204 and a limiting slot 205, the limiting slot 205 is disposed on the outer rotating member 201, and each outer rotating member 201 is provided with two limiting slots 205, two The limiting slots 205 are annularly distributed along the axis of the outer rotating member 201.
  • the limit pin 204 is disposed on the inner rotating member 202.
  • the limiting pin 204 is connected to the pull rod 206.
  • One end of the pull rod 206 extends from the inner rotating member 202 and extends into the seat tube.
  • the end of the pull rod 206 away from the limiting pin 204 is connected with a handle. 207, the handle 207 extends out of the seat tube.
  • the limiting pin 204 has a strip shape, and its longitudinal direction is parallel to the axial direction of the inner rotating member 202; the second supporting member is provided with a U-shaped through hole 208, the length direction of the U-shaped through hole 208 and the axis of the inner rotating member 202. The direction is vertical.
  • the rod 206 is provided with a limiting spring 209. When the limiting pin 204 is separated from the limiting slot 205, the spring is in a compressed state.
  • the connecting member 203 has a cylindrical shape, and the left and right ends of the side portion of the connecting member 203 are provided with a recess 210 for mounting the outer rotating member 201.
  • the inner rotating member 202 includes two detachably connected semi-circular structural members. The two semi-circular structural members are connected by bolts.
  • a folding vehicle includes a handle, a wheel, a seat and a folding mechanism provided in Embodiment 1.
  • the first support member on the folding mechanism includes an upper tube 211 and a rear fork 214, and the second support member includes a seat tube 213 and a lower portion.
  • Tube 212; the wheel includes a front wheel and a rear wheel.
  • the folding vehicle further includes a shock absorber mechanism including a front tube 101.
  • the front tube 101 is provided with an upper node 102 and a lower node 103 which are sleeved on the outside of the front tube 101 from above.
  • the upper node 102 is disposed between the upper node 102 and the front tube 101.
  • There is a sliding sleeve 104 the upper node 102 is slidably connected to the front tube 101 through the sliding sleeve 104, and the lower node 103 is fixedly or detachably connected to the front tube 101;
  • a shock absorber spring 105 is disposed between the upper node 102 and the lower node 103.
  • the shock spring 105 is sleeved on the outside of the front tube 101.
  • a shock absorber slider 106 is further disposed between the upper node 102 and the suspension spring 105, and the suspension slider 106 is also sleeved on the outside of the front tube 101.
  • the outer side of the suspension spring 105 is sleeved with a shock absorber sleeve 107, and the lower end of the suspension slider 106 extends into the interior of the suspension sleeve 107. Also included is a ring-shaped suspension shoulder cover 108 connected to the upper end of the suspension sleeve 107; the lower end of the suspension slider 106 is located inside the suspension shoulder cover 108, and the outer side of the suspension slider 106 The portion is provided with an annular blocking block 109 that can block the suspension slider 106 from sliding out of the suspension shoulder cover 108.
  • the lower end of the suspension sleeve 107 is provided with a base 110, and the lower end of the suspension spring 105 is in contact with the base 110.
  • the lower node 103 includes an associated fixing portion for mounting the lower node 103 to the front tube 101, and a mounting portion which is a clip structure.
  • the lower end of the side portion of the front tube 101 is provided with an annular boss 115.
  • the handle 111 is provided at the upper end of the front tube 101, and the front wheel 112 is provided at the lower end of the front tube 101 of the suspension mechanism.
  • the vehicle body further includes an upper tube 211, a lower tube 212, a seat tube 213 and a rear fork 214.
  • the upper tube 211 is hinged with the upper node 102 on the front tube 101, and the lower tube 212 is hinged with the lower node 103 on the front tube 101.
  • 113 is provided at the upper end of the seat tube 213, and the rear wheel 114 is provided at the lower end of the rear fork 214.
  • the folding mechanism obtained by the above design and the folding cart having the folding mechanism can quickly complete the folding work of the vehicle body, is simple, easy to operate, and saves time.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Motorcycle And Bicycle Frame (AREA)

Abstract

一种折叠机构，包括支撑组件、旋转组件以及限位组件；旋转组件包括外旋转件（201）、内旋转件（202）及连接件（203），外旋转件（201）及内旋转件（202）均套设在连接件（203）外部且与连接件（203）转动连接，外旋转件（201）有至少两件且对称分布在内旋转件（202）的左右两侧；支撑组件包括设置在外旋转件（201）上的第一支撑件及设置在内旋转件（202）上的第二支撑件；限位组件包括限位销（204）及限位槽（205），限位槽（205）有至少两个，限位槽（205）沿旋转组件的轴线环形分布于旋转组件上。还提供具有该折叠机构的折叠车。该折叠机构及具有该折叠机构的折叠车，能够快速完成车体的折叠工作，简单、易操作，并节省时间。

Description

一种折叠机构及折叠车 技术领域
本发明涉及车辆工程领域，具体而言，涉及一种折叠机构及折叠车。
背景技术
自行车及电动车等非机动车辆是常用的交通工具及健身工具。近些年，人们越来越重视空间的利用，因此带有折叠机构的折叠车成为非机动车的主流。
折叠机构的作用在于对折叠车进行折叠，使其体积变小，方便存储及运输。现有的折叠机构大多结构复杂，进行折叠时不够方便，较为浪费时间。
发明内容
为了解决现有技术中的上述问题，本发明提供了一种折叠机构及折叠车。
本发明一方面提供了一种折叠机构，其包括支撑组件、旋转组件以及限位组件；所述旋转组件包括外旋转件、内旋转件及连接件，所述外旋转件及内旋转件均套设在所述连接件外部且均与所述连接件转动连接，所述外旋转件有至少两件且对称分布在所述内旋转件的左右两侧；所述支撑组件包括设置在所述外旋转件上的第一支撑件及设置在所述内旋转件上的第二支撑件；所述限位组件包括限位销及限位槽，所述限位槽有至少两个，所有限位槽沿所述旋转组件的轴线环形分布于所述旋转组件上；当所述限位销插入所述限位槽后，所述外旋转件及内旋转件不能产生相对转动。
这种折叠机构的结构简单、使用方便，可以快速进行折叠及展开工作。
进一步地，所述限位销设于所述内旋转件上，所述限位槽设于所述外旋转件上；所述限位销连接有拉杆，所述拉杆的一端延伸出所述内旋转件形成操作部。通过该操作部能够方便地操作限位销，使其与限位槽配合或分离。
进一步地，所述操作部设于所述第二支撑件内，所述操作部的端部连接有手柄，所述手柄延伸出所述第二支撑件。移动手柄可以带动拉杆运动，进而带动限位销运动。这种设计使限位销及拉杆不容易受其他部件的影响，使限位销能够更好地完成限位工作。
进一步地，所述限位销为条形，其长度方向与所述内旋转件的轴线方向平行；所述第二支撑件上开设有U型通孔，所述U型通孔的长度方向与所述内 旋转件的轴线方向垂直。沿着远离内旋转件的方向拉动手柄，带动限位销运动，可以使限位销与限位槽分离。
进一步地，所述拉杆上设有限位弹簧，当限位销与限位槽分离后，所述限位弹簧处于压缩状态。限位弹簧的设计使限位销具有自动归位的功能；拉动手柄时可以使限位销与限位槽分离，松开手柄后受限位弹簧的弹力作用，使得限位销复位。
进一步地，所述连接件为圆筒形，连接件侧部的左右两端设有用于安装所述外旋转件的凹槽。凹槽的设计使外旋转件能够稳固地安装在连接件上。当外旋转件安装到连接件上之后，在连接件的端部增设有阻挡件，可以确保外旋转件不会从连接件上掉落。
进一步地，所述内旋转件包括两块可拆卸连接的半圆形结构件。这种设计使内旋转件加工方便，且可以方便地安装到连接件上。优选地，两块半圆形结构件通过螺栓连接，使二者之间的连接稳固。优选地，螺栓的方向与内旋转件的轴线方向垂直，使装配比较方便。
本发明另一方面提供了一种折叠车，其包括把手、车轮、车座及本发明提供的折叠机构，所述折叠机构上的第一支撑件包括上管及后叉，所述第二支撑件包括座管及下管；所述车轮包括前轮及后轮，所述车座设于所述座管上，所述前轮设于所述下管上，所述把手设于所述上管上，所述后轮设于所述后叉上。
进一步地，本发明提供的折叠车还包括避震机构，所述避震机构包括前管，所述上管通过上节点滑动连接于所述前管上，所述下管通过下节点固定于所述前管上，所述上节点与下节点之间设有避震弹簧。
进一步地，所述把手设于前管的上端，所述前轮设于前管的下端。
本发明的有益效果是：根据本发明提供的折叠机构及折叠车，能够快速地完成车体的折叠工作，简单、易操作，并节省时间。
附图说明
为了更清楚地说明本发明实施方式的技术方案，下面将对实施方式中所需要使用的附图作简单地介绍，应当理解，以下附图仅示出了本发明的某些实施例，因此不应被看作是对范围的限定，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他相关的附图。
图1是本发明实施方式提供的折叠机构的主视图；
图2是本发明实施方式提供的折叠机构的外旋转件的主视图；
图3是本发明实施方式提供的折叠机构的连接件的主视图；
图4是图3所示的连接件的立体结构示意图；
图5是本发明实施方式提供的折叠机构的连接件与外旋转件连接的主视图；
图6是本发明实施方式提供的折叠机构的连接件与外旋转件连接的立体结构示意图；
图7是本发明实施方式提供的折叠机构的座管与内旋转件及外旋转件连接的主视图；
图8是本发明实施方式提供的折叠机构的座管与内旋转件及外旋转件连接的立体结构示意图；
图9是本发明实施方式提供的折叠机构的座管、下管与内旋转件及外旋转件连接的主视图；
图10是本发明实施方式提供的折叠机构的连杆、手柄、限位弹簧及限位销连接的立体结构示意图；
图11是本发明实施方式提供的折叠车的透视结构示意图；
图12是本发明实施方式提供的折叠车的主视图；
图13是本发明实施方式提供的折叠车的避震机构的主视图；
图14是本发明实施方式提供的折叠车中避震机构的内部结构示意图。
图中标记分别为：
前管101；上节点102；下节点103；滑套104；避震弹簧105；避震滑块106；避震套筒107；避震肩盖108；阻挡块109；底座110；把手111；前轮112；车座113；后轮114；凸台115；外旋转件201；内旋转件202；连接件203；限位销204；限位槽205；拉杆206；手柄207；U型通孔208；限位弹簧209；凹槽210；上管211；下管212；座管213；后叉214。
具体实施方式
自行车及电动车等非机动车辆是常用的交通工具及健身工具。近些年，人们越来越重视空间的利用，因此带有折叠机构的折叠车成为非机动车的主流。
折叠机构的作用在于对折叠车进行折叠，使其体积变小，方便存储及运输。现有的折叠机构大多结构复杂，进行折叠时不够方便，较为浪费时间。
本领域技术人员长期以来一直在寻求一种改善该问题的工具或方法。
鉴于此，本发明的设计者通过长期的探索和尝试，以及多次的实验和努力，不断的改革创新，设计出了一种折叠机构及具有该折叠机构的折叠车，使用这种折叠机构及具有该折叠机构的折叠车可较好地改善上述问题。
为使本发明实施方式的目的、技术方案和优点更加清楚，下面将结合本发明实施方式中的附图，对本发明实施方式中的技术方案进行清楚、完整地描述，显然，所描述的实施方式是本发明一部分实施方式，而不是全部的实施方式。基于本发明中的实施方式，本领域普通技术人员在没有作出创造性劳动的前提下所获得的所有其他实施方式，都属于本发明保护的范围。因此，以下对在附图中提供的本发明的实施方式的详细描述并非旨在限制要求保护的本发明的范围，而是仅仅表示本发明的选定实施方式。基于本发明中的实施方式，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施方式，都属于本发明保护的范围。
在本发明的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”、“顺时针”、“逆时针”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的设备或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本发明的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。
在本发明中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。
在本发明中，除非另有明确的规定和限定，第一特征在第二特征之“上”或之“下”可以包括第一和第二特征直接接触，也可以包括第一和第二特征不是直接接触而是通过它们之间的另外的特征接触。而且，第一特征在第二特征“之上”、“上方”和“上面”包括第一特征在第二特征正上方和斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”包括第一特征在第二特征正下方和斜下方，或仅仅表示第一特征水平高度小于第二特征。
图1是本发明实施方式提供的折叠机构的主视图；图2是本发明实施方式提供的折叠机构的外旋转件的主视图；图3是本发明实施方式提供的折叠机构的连接件的主视图；图4是图3所示的连接件的立体结构示意图；图5是本发明实施方式提供的折叠机构的连接件与外旋转件连接的主视图；图6是本发明实施方式提供的折叠机构的连接件与外旋转件连接的立体结构示意图；图7是本发明实施方式提供的折叠机构的座管与内旋转件及外旋转件连接的主视图；图8是本发明实施方式提供的折叠机构的座管与内旋转件及外旋转件连接的立体结构示意图；图9是本发明实施方式提供的折叠机构的座管、下管与内旋转件及外旋转件连接的主视图；图10是本发明实施方式提供的折叠机构的连杆、手柄、限位弹簧及限位销连接的立体结构示意图。
参照图1至10，本发明一方面提供了一种折叠机构，其包括支撑组件、旋转组件以及限位组件；旋转组件包括外旋转件201、内旋转件202及连接件203，外旋转件201及内旋转件202均套设在连接件203外部且与连接件203转动连接，外旋转件201有至少两件且对称分布在内旋转件202的左右两侧；支撑组件包括设置在外旋转件201上的第一支撑件及设置在内旋转件202上的第二支撑件；限位组件包括限位销204及限位槽205，限位槽205有至少两个，所有限位槽205沿旋转组件的轴线环形分布于旋转组件上；当限位销204插入限位槽205后，外旋转件201及内旋转件202不能产生相对转动。
这种折叠机构应用于自行车或电动车等其他非机动车辆。支撑组件用来支撑各部件，旋转组件及限位组件为折叠机构的主要工作部件；外旋转件201及内旋转件202均设置在连接件203的外部，均能够相对连接件203转动，当外旋转件201及内旋转件202在连接件203上转动角度不一致时，二者之间会产生相对转动。
当限位组件的限位销204插入限位槽205后，外旋转件201及内旋转件202不能产生相对转动，此时该折叠机构为锁死状态；当限位销204与限位槽205分离后，外旋转件201及内旋转件202之间能够产生相对转动。
当外旋转件201及内旋转件202之间产生相对转动时，带动第一支撑件及第二支撑件绕连接件203的轴线转动，使第一支撑件及第二支撑件之间的角度产生变化，完成折叠工作。
当限位槽205有两个时，第一支撑件及第二支撑件之间能够产生两种不同角度，当第一支撑件及第二支撑件之间角度较小时，折叠机构为折叠状态，当第一支撑件及第二支撑件之间角度较大时，折叠机构为打开状态。
限位槽205也可以是其他个数。优选为两个。
这种折叠机构结构简单，使用方便，可以快速地进行折叠及展开工作。
图11是本发明实施方式提供的折叠车的透视结构示意图；图12是本发明实施方式提供的折叠车的主视图；图13是本发明实施方式提供的折叠车的避震机构的主视图；图14是本发明实施方式提供的折叠车中避震机构的内部结构示意图。参照图11至图14，本发明另一方面还提供了一种折叠车，其包括把手、车轮、车座及本发明提供的折叠机构(即上述折叠机构)，该折叠机构上的第一支撑件包括上管211及后叉214，第二支撑件包括座管213及下管212；车轮包括前轮及后轮，车座设于座管213上，前轮设于下管212上，把手设于上管211上，后轮设于后叉214上。
如图12所示，应用了折叠机构的折叠车，折叠时上管211及后叉214与座管213及下管212产生相对转动，可以使折叠车的结构变小。
限位销204及限位槽205的作用在于限制旋转机构转动，当限位销204及限位槽205配合时，外旋转件201及内旋转件202不能产生相对转动。因此限位销204及限位槽205需要分别设置在外旋转件201及内旋转件202上。
因此，当限位销204设置在内旋转件202上时，限位槽205设于外旋转件201上；当限位销204设置在外旋转件201上时，限位槽205设于内旋转件202上。这两种设计均能够使折叠机构完成折叠工作。
以下以限位销204设置在内旋转件202上为例进行展开。
优选地，限位销204连接有拉杆206，该拉杆206的一端延伸出内旋转件202形成操作部。通过该操作部能够方便地操作限位销204，使其与限位槽205配合或分离。
拉杆206的操作部可以是延伸出内旋转件202位于内旋转件202的外部；优选地，操作部设于第二支撑件内，操作部的端部连接有手柄207，该手柄207延伸出第二支撑件。
如图所示，移动手柄207可以带动拉杆206运动，进而带动限位销204运动。这种设计使限位销204及拉杆206不容易受其他部件的影响，使限位销204能够更好地完成限位工作。
优选地，限位销204为条形，其长度方向与内旋转件202的轴线方向平行；第二支撑件上设有U型通孔208，该U型通孔208的长度方向与内旋转件202的轴线方向垂直。
如图1或图7所示，沿着远离内旋转件202的方向拉动手柄207，带动限位销204运动，可以使限位销204与限位槽205分离。
优选地，在拉杆206上设有限位弹簧209，当限位销204与限位槽205分离后，弹簧处于压缩状态。限位弹簧209的设计使限位销204具有自动归位功能；拉动手柄207时可以使限位销204与限位槽205分离，松开手柄207后受限位弹簧209的弹力作用，限位销204复位。
连接件203优选为圆筒形，连接件203侧部的左右两端设有用于安装外旋转件201的凹槽210。
凹槽210的设计使外旋转件201能够稳固地安装在连接件203上。当外旋转件201安装到连接件203上之后，在连接件203的端部增设阻挡件，可以确保外旋转件201不会从连接件203上掉落。
进一步地，内旋转件202包括两块可拆卸连接的半圆形结构件。这种设计使内旋转件202加工方便，且可以方便地安装到连接件203上。两块半圆形结构件优选通过螺栓连接，使二者之间连接稳固。螺栓的方向优选与内旋转件202的轴线方向垂直，使装配比较方便。
应用了上述避震机构的折叠车具有良好的折叠功能，折叠十分方便。优选地，该折叠车还包括避震机构，该避震机构包括前管101，上管211通过上节 点102滑动连接于前管101上，下管212通过下节点103固定于前管101上，上节点102与下节点103之间设有避震弹簧。
车辆在行驶过程中容易受路面不平等因素引起震动，避震机构能够较好地将震动抵消，使车辆能够平稳地前行。避震机构主要通过避震弹簧实现，当车辆震动时，上节点102向下滑动，压缩避震弹簧；震动源消失后，避震弹簧回弹，带动上节点102归位，通过该过程完成避震。此外，折叠机构配合避震机构使用，车辆在折叠时，上节点102沿前管101上滑，使折叠工作能够顺利进行。
具体地，把手设于前管101的上端，前轮设于前管101的下端。通过把手可以调节前轮的方向。
这种折叠车可以是电动车，如图所示，后叉上设有电池盒，后轮为电机轮，与电池盒相连，电池盒可以给电机轮供电并带动其转动；后叉上还设有与其转动连接的脚踏，让使用者的脚有地方放置；在前管的前部还设有喇叭灯，可以提供照明。
为清楚地说明本发明，本实施方式中列举了两个具体的实施例：
实施例1
一种折叠机构，其包括支撑组件、旋转组件以及限位组件；旋转组件包括外旋转件201、内旋转件202及连接件203，外旋转件201及内旋转件202均套设在连接件203外部且与连接件203转动连接，外旋转件201有两件且对称分布在内旋转件202的左右两侧；支撑组件包括设置在外旋转件201上的第一支撑件及设置在内旋转件202上的第二支撑件；限位组件包括限位销204及限位槽205，限位槽205设于外旋转件201上，每一个外旋转件201上设有两个限位槽205，两个限位槽205沿外旋转件201的轴线环形分布。
限位销204设于内旋转件202上，限位销204连接有拉杆206，该拉杆206的一端延伸出内旋转件202并延伸至座管内，拉杆206远离限位销204的一端连接有手柄207，该手柄207延伸出座管。
限位销204为条形，其长度方向与内旋转件202的轴线方向平行；第二支撑件上设有U型通孔208，该U型通孔208的长度方向与内旋转件202的轴线方向垂直。拉杆206上设有限位弹簧209，当限位销204与限位槽205分离后，弹簧处于压缩状态。
连接件203为圆筒形，连接件203侧部的左右两端设有用于安装外旋转件201的凹槽210。内旋转件202包括两块可拆卸连接的半圆形结构件。两块半圆形结构件通过螺栓连接。
实施例2
一种折叠车，其包括把手、车轮、车座及实施例1提供的折叠机构，该折叠机构上的第一支撑件包括上管211及后叉214，第二支撑件包括座管213及下管212；车轮包括前轮及后轮。
该折叠车还包括避震机构，其包括前管101，该前管101自上而下设有套于前管101外部的上节点102及下节点103，上节点102与前管101之间设有滑套104，上节点102通过滑套104与前管101滑动连接，下节点103与前管101固定或可拆卸连接；上节点102及下节点103之间设有避震弹簧105，该避震弹簧105套设于前管101的外部。上节点102及避震弹簧105之间还设有避震滑块106，该避震滑块106也套设于前管101的外部。
避震弹簧105的外部套设有避震套筒107，避震滑块106的下端伸入该避震套筒107的内部。还包括环形的避震肩盖108，该避震肩盖108连接于避震套筒107的上端；避震滑块106的下端位于避震肩盖108的内部，且避震滑块106的外侧部设有能够阻挡避震滑块106从避震肩盖108内滑出的环形的阻挡块109。避震套筒107的下端设有底座110，避震弹簧105的下端与该底座110相抵触。
下节点103包括相连的固定部及安装部，固定部用于将下节点103安装到前管101上，该固定部为卡箍结构。前管101侧部的下端设有环形的凸台115。
把手111设于前管101的上端，前轮112设于避震机构的前管101的下端。车体还包括上管211、下管212、座管213及后叉214，上管211与前管101上的上节点102铰接，下管212与前管101上的下节点103铰接；车座113设于座管213的上端，后轮114设于后叉214的下端。
通过上述设计得到的折叠机构及具有该折叠机构的折叠车，能够快速地完成车体的折叠工作，简单、易操作，并节省时间。
以上仅为本发明的优选实施方式而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (10)

  1. 一种折叠机构，其特征在于，包括支撑组件、旋转组件以及限位组件；所述旋转组件包括外旋转件、内旋转件及连接件，所述外旋转件及内旋转件均套设在所述连接件外部且与所述连接件转动连接，所述外旋转件有至少两件且对称分布在所述内旋转件的左右两侧；所述支撑组件包括设置在所述外旋转件上的第一支撑件及设置在所述内旋转件上的第二支撑件；所述限位组件包括限位销及限位槽，所述限位槽有至少两个，所有限位槽沿旋转组件的轴线环形分布于所述旋转组件上；当所述限位销插入所述限位槽后，所述外旋转件及内旋转件不能产生相对转动。
  2. 根据权利要求1所述的折叠机构，其特征在于，所述限位销设于所述内旋转件上，所述限位槽设于所述外旋转件上；所述限位销连接有拉杆，所述拉杆的一端延伸出所述内旋转件形成操作部。
  3. 根据权利要求2所述的折叠机构，其特征在于，所述操作部设于所述第二支撑件内，所述操作部的端部连接有手柄，所述手柄延伸出所述第二支撑件。
  4. 根据权利要求3所述的折叠机构，其特征在于，所述限位销为条形，其长度方向与所述内旋转件的轴线方向平行；所述第二支撑件上开设有U型通孔，所述U型通孔的长度方向与所述内旋转件的轴线方向垂直。
  5. 根据权利要求2至4中任一项所述的折叠机构，其特征在于，所述拉杆上设有限位弹簧，当所述限位销与限位槽分离后，所述限位弹簧处于压缩状态。
  6. 根据权利要求1所述的折叠机构，其特征在于，所述连接件为圆筒形，所述连接件侧部的左右两端设有用于安装所述外旋转件的凹槽。
  7. 根据权利要求1所述的折叠机构，其特征在于，所述内旋转件包括两块可拆卸连接的半圆形结构件。
  8. 一种折叠车，其特征在于，包括把手、车轮、车座及权利要求1至7中任一项所述的折叠机构，所述折叠机构上的第一支撑件包括上管及后叉，所 述第二支撑件包括座管及下管；所述车轮包括前轮及后轮，所述车座设于所述座管上，所述前轮设于所述下管上，所述把手设于所述上管上，所述后轮设于所述后叉上。
  9. 根据权利要求8所述的折叠车，其特征在于，还包括避震机构，所述避震机构包括前管，所述上管通过上节点滑动连接于所述前管上，所述下管通过下节点固定于所述前管上，所述上节点与下节点之间设有避震弹簧。
  10. 根据权利要求9所述的折叠车，其特征在于，所述把手设于所述前管的上端，所述前轮设于所述前管的下端。
PCT/CN2015/092720 2015-07-10 2015-10-23 一种折叠机构及折叠车 WO2017008411A1 (zh)

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