CN211844750U - Folding mechanism and foldable vehicle - Google Patents

Folding mechanism and foldable vehicle Download PDF

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Publication number
CN211844750U
CN211844750U CN202020128034.XU CN202020128034U CN211844750U CN 211844750 U CN211844750 U CN 211844750U CN 202020128034 U CN202020128034 U CN 202020128034U CN 211844750 U CN211844750 U CN 211844750U
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Prior art keywords
folding
rotating shaft
piece
locking
free
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CN202020128034.XU
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Chinese (zh)
Inventor
石安心
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Ninebot Beijing Technology Co Ltd
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Ninebot Beijing Technology Co Ltd
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Priority to CN202020128034.XU priority Critical patent/CN211844750U/en
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Publication of CN211844750U publication Critical patent/CN211844750U/en
Priority to PCT/CN2021/071574 priority patent/WO2021147742A1/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62KCYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K15/00Collapsible or foldable cycles

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

Abstract

The embodiment of the application provides a folding mechanism, which comprises a first folding part, an operating control part, a first rotating shaft, a second rotating shaft, a connecting part and a second folding part; the control piece comprises a free part for applying force and a locking part connected with the free part; the first rotating shaft is connected with the locking part, and the locking part can rotate around the first rotating shaft; the second rotating shaft is connected with the first folding piece; one end of the connecting piece is connected with the first rotating shaft, the other end of the connecting piece is connected with the second rotating shaft, and the connecting piece can rotate around the axis of the second rotating shaft; the second folding piece is provided with a groove matched with the locking part and is pivoted with the first folding piece; when the locking part is positioned at the locking position, the first folding piece and the second folding piece are locked; when the locking portion is in the unlocked position, the first folding member is free to rotate relative to the second folding member. The folding mechanism that this application embodiment provided simple structure, the simple operation. The embodiment of the application also provides a foldable vehicle which is provided with the folding mechanism.

Description

Folding mechanism and foldable vehicle
Technical Field
The application relates to the technical field of vehicle folding, in particular to a folding mechanism and a foldable vehicle.
Background
A typical foldable vehicle, such as a foldable bicycle, a foldable scooter, includes a folding mechanism for folding the vehicle, the folding mechanism allowing the foldable vehicle to be in both a folded and an unfolded state, and when the foldable vehicle is needed to be used, the foldable vehicle is unfolded by the folding mechanism, and at this time, the foldable vehicle can be used, such as sliding or riding. When the foldable vehicle is not needed, the foldable vehicle is folded by the folding mechanism, and at the moment, the occupied space of the foldable vehicle is reduced, so that the foldable vehicle is convenient to store and transport. However, most of the existing folding mechanisms have complex structures and are inconvenient to use.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiments of the present application are expected to provide a folding mechanism and a foldable vehicle, where the folding mechanism has a simple structure and is easy to operate. In order to achieve the above effect, the technical solution of the embodiment of the present application is implemented as follows:
the embodiment of the application provides a folding mechanism, includes:
a first fold;
the operating control piece comprises a free part for applying force and a locking part connected with the free part;
the first rotating shaft is connected with the locking part, and the locking part can rotate around the first rotating shaft;
the second rotating shaft is connected with the first folding piece;
one end of the connecting piece is connected with the first rotating shaft, the other end of the connecting piece is connected with the second rotating shaft, and the connecting piece can rotate around the axis of the second rotating shaft; and
the second folding piece is provided with a groove matched with the locking part and is pivoted with the first folding piece;
the locking part is provided with a locking position and an unlocking position in the rotating direction around the first rotating shaft, and when the locking part is located at the locking position, part of the outer wall surface of the locking part is in abutting press fit with the groove wall surface of the groove so as to lock the first folding piece and the second folding piece; when the locking part is located at the unlocking position, the locking part can be withdrawn from the groove, so that the first folding piece can freely rotate relative to the second folding piece.
Furthermore, be formed with on the first pivot along the radial through-hole of first pivot, the connecting piece includes the connecting rod and is located the fastening portion of connecting rod one end, the connecting rod runs through the through-hole, fastening portion is used for the restriction the connecting rod breaks away from first pivot, the connecting rod keep away from the one end of fastening portion with the second pivot is connected.
Further, the fastening part and the connecting rod are of an integral structure or are in threaded connection.
Further, the second folding member includes a counter sink for receiving the fastening portion, the fastening portion being at least partially located outside the locking portion.
Furthermore, the locking part is an eccentric wheel matched with the curved surface of the groove wall surface of the groove.
Further, the connecting piece is in threaded connection with the second rotating shaft.
Further, the folding mechanism includes:
the buckle comprises a clamp body and a clamp part connected with the clamp body, and the clamp body is rotatably connected with the free part; and
the joint spare is located on the first folded piece, joint portion can with joint spare joint, so that free portion with first folded piece locking.
Furthermore, the clamping part comprises a clamping body connected with the first folding part and a free end extending from the clamping body to the direction far away from the first folding part, and the end face of the clamping part facing the free part can be abutted against the end face of the free end far away from the free part, so that the clamping part can be clamped with the clamping part;
or, the joint spare is heavy groove, heavy groove by the surface of first folded piece inwards caves in and forms, joint portion can hold in heavy inslot to make joint portion can with joint spare joint.
Another aspect of the embodiments of the present application provides a foldable vehicle, including the folding mechanism in any one of the above items.
Further, the folding bicycle comprises a vertical rod and a front fork, wherein one of the vertical rod and the front fork is connected with the first folding part, and the other of the vertical rod and the front fork is connected with the second folding part.
The folding mechanism that this application embodiment provided simple structure, the simple operation. The locking portion can rotate around the first rotating shaft so that the free portion is close to or far away from the first folding piece, force is applied to the free portion conveniently, the free portion is stored conveniently, and mistaken touch is avoided. In addition, the area of contact of locking portion and recess is big for locking portion is better with recess locking effect, avoids first folded piece and second folded piece locking back pine to rock. The embodiment of the application also provides a foldable vehicle which is provided with the folding mechanism. And therefore also has the same advantageous effects as the above-described folding mechanism.
Drawings
FIG. 1 is a schematic structural view of a folding structure provided by an embodiment of the present application, wherein a locking portion is in a locking position;
FIG. 2 is another schematic structural view of the folding mechanism of FIG. 1, wherein the latch portion is in an unlocked position;
FIG. 3 is a front view of a foldable vehicle provided by an embodiment of the present application;
FIG. 4 is an exploded view of the foldable vehicle of FIG. 3;
FIG. 5 is a top plan view of the foldable vehicle of FIG. 3;
fig. 6 is a sectional view taken along the line a-a in fig. 5.
Description of the reference numerals
A foldable vehicle 1000; a folding mechanism 100; a first fold 10; a control member 20; a free portion 21; a lock portion 22; a first rotating shaft 30; a through hole 30 a; a second rotating shaft 40; a connecting member 50; a connecting rod 51; a fastening portion 52; a second fold 60; the grooves 60 a; a sink table 60 b; a buckle 70; a card body 71; a clip portion 72; a clip member 80; a vertical rod 200; a front fork 300.
Detailed Description
It should be noted that, in the present application, technical features in examples and embodiments may be combined with each other without conflict, and the detailed description in the specific embodiment should be understood as an explanation of the gist of the present application and should not be construed as an improper limitation to the present application.
The present application will now be described in further detail with reference to the accompanying drawings and specific examples. In the description of the present application, the positional or positional relationship is based on the state of normal use of the foldable vehicle, it being understood that these positional terms are merely for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be taken as limiting the present invention.
Referring to fig. 1 and 2, in one aspect, the embodiment of the present invention provides a folding mechanism, in which the folding mechanism 100 includes a first folding member 10, a manipulating member 20, a first rotating shaft 30, a second rotating shaft 40, a connecting member 50, and a second folding member 60. The control member 20 includes a free portion 21 for applying force and a lock portion 22 connected to the free portion 21. The first rotation shaft 30 is connected to the lock portion 22. The locking portion 22 is rotatable about a first axis of rotation 30. The second rotating shaft 40 is connected to the first folding member 10. One end of the link 50 is connected to the first rotation shaft 30. The other end of the connecting member 50 is connected to the second rotating shaft 40. The connecting member 50 is rotatable about the axis of the second rotating shaft 40. The second folding member 60 is formed with a groove 60a adapted to the locking portion 22. The second folding member 60 is pivotally connected to the first folding member 10. The lock portion 22 has a lock position and an unlock position in a rotation direction around the first rotation shaft 30. When the locking portion 22 is in the locking position, part of the outer wall surface of the locking portion 22 abuts against and is press-fitted to the groove wall surface of the groove 60a, so as to lock the first folding member 10 and the second folding member 60. When the locking portion 22 is in the unlocked position, the locking portion 22 can be withdrawn from the recess 60a to allow the first folding member 10 to rotate freely relative to the second folding member 60.
When the folding mechanism 100 is in the unfolded state, the locking portion 22 is accommodated in the groove 60a, the locking portion 22 is in the locking position, part of the outer wall surface of the locking portion 22 abuts against and is in press fit with the groove wall surface of the groove 60a, and the first folding member 10 is locked with the second folding member 60. When the folding mechanism 100 needs to be unlocked, a force far away from the first folding member 10 is applied to the free portion 21, the locking portion 22 rotates around the first rotating shaft 30, the free portion 21 is far away from the first folding member 10, and a force far away from the second folding member 60 is applied to the free portion 21, the free portion 21 drives the locking portion 22 to be far away from the second folding member 60, the locking portion 22 drives the first rotating shaft 30 to be far away from the second folding member 60, the first rotating shaft 30 drives one end of the connecting member 50 to be far away from the second folding member 60, the other end of the connecting member 50 rotates around the axis of the second rotating shaft 40 until the locking portion 22 exits from the groove 60a, the locking portion 22 is located at an unlocking position, and the first folding member 10 freely rotates relative to the second folding member 60. The second folding member 60 is pivotally connected to the first folding member 10, that is, a side of the second folding member 60 away from the groove 60a is pivotally connected to a side of the first folding member 10 away from the second rotating shaft 40, that is, the first folding member 10 can rotate relative to the second folding member 60 toward the second folding member 60, so as to realize the folding function of the folding mechanism 100.
When it is desired to unfold the folding mechanism 100 again, the first folding member 10 is rotated away from the second folding member 60 until the folding mechanism 100 is unfolded. At this time, a force close to the second folding member 60 is firstly applied to the free portion 21, the free portion 21 drives the locking portion 22 to be close to the second folding member 60, the locking portion 22 drives the first rotating shaft 30 to be close to the second folding member 60, the first rotating shaft 30 drives one end of the connecting member 50 to be close to the second folding member 60, the other end of the connecting member 50 rotates around the second rotating shaft 40 until the locking portion 22 is accommodated in the groove 60a, and the first folding member 10 and the second folding member 60 are locked. Then, a force is applied to the free portion 21 so as to approach the first folded piece 10, so that the lock portion 22 rotates about the first rotation axis 30, and the free portion 21 approaches the first folded piece 10. Thus, the free part 21 is convenient to store, and the mistaken touch is avoided.
The folding mechanism 100 provided by the embodiment of the application has a simple structure and is convenient and fast to operate. The locking portion 22 can rotate around the first rotating shaft 30 to enable the free portion 21 to be close to or far away from the first folding member 10, so that not only is the force applied to the free portion 21 facilitated, but also the free portion 21 is convenient to store, and the mistaken touch is avoided. In addition, partial outer wall surface of the locking portion 22 abuts against the groove wall surface of the groove 60a in press fit, so that the first folding member 10 and the second folding member 60 are locked, the contact area between the locking portion 22 and the groove 60a is large, the locking effect between the locking portion 22 and the groove 60a is better, and the first folding member 10 and the second folding member 60 are prevented from being locked and then are prevented from shaking.
It will be appreciated that the other end of the link 50 rotates about the axis of the second shaft 40, and in fact the link 50 rotates together with the second shaft 40 relative to the first folding member 10.
In an embodiment, referring to fig. 4, a first receiving groove is formed on the second folding member 60 at a side where the groove 60a is located. A second receiving groove is formed at one side of the first folding member 10 where the second rotating shaft 40 is located. Portions of the connecting member 50 may be received in the first receiving groove and the second receiving groove. Specifically, when the locking portion 22 is received in the groove 60a, portions of the link 50 are received in the first receiving groove and the second receiving groove. In this manner, the locking portion 22 is easily received in the recess 60 a.
In an embodiment, referring to fig. 4, a through hole 30a is formed on the first rotating shaft 30 along a radial direction of the first rotating shaft 30. The link 50 includes a connecting rod 51 and a fastening portion 52 at one end of the connecting rod 51. The connection rod 51 penetrates the through hole 30 a. The fastening portion 52 serves to restrict the connecting rod 51 from being disengaged from the first rotating shaft 30. One end of the connecting rod 51 away from the fastening part 52 is connected to the second rotating shaft 40. Since the connecting rod 51 penetrates through the through hole 30a, the first rotating shaft 30 can move along the connecting rod 51, and since the first rotating shaft 30 can drive the locking portion 22 to move, the locking portion 22 can move along the connecting rod 51. In this way, the locking part 22 can be easily inserted into the recessed groove 60a, and when there is a manufacturing error in the locking part 22 and/or the recessed groove 60a, the manufacturing error can be eliminated by adjusting the relative position of the locking part 22.
In one embodiment, referring to fig. 4 and 6, the fastening portion 52 is screwed with the connecting rod 51. The fastening portion 52 is a nut, and the connecting end of the connecting rod 51 and the fastening portion 52 is a screw. In this manner, it is convenient to adjust the position of the locking portion 22 on the connecting rod 51 by adjusting the fastening portion 52 and the connecting rod 51, that is, it is possible to adjust the distance between the locking portion 22 and the second rotating shaft 40 by adjusting the distance between the fastening portion 52 and the connecting rod 51, it is further convenient for the locking portion 22 to enter the groove 60a, and it is also convenient to further eliminate the manufacturing error by adjusting the relative position of the locking portion 22. For example, when it is required to reduce the distance between the locking portion 22 and the second rotating shaft 40, the fastening portion 52 may be rotated to make the fastening portion 52 close to the second rotating shaft 40, so that the locking portion 22 is close to the second rotating shaft 40. When it is necessary to increase the distance between the locking portion 22 and the second rotating shaft 40, the fastening portion 52 may be rotated to move the fastening portion 52 away from the second rotating shaft 40, so that the locking portion 22 moves away from the second rotating shaft 40. The fastening portion 52 is screw-coupled with the connection rod 51, facilitating accurate distance adjustment.
In another embodiment, not shown, the fastening portion 52 is of unitary construction with the connecting rod 51. Thus, the structure is simplified and the manufacture is easy.
In one embodiment, referring to fig. 2 and 6, the second folding member 60 includes a sinking platform 60b for receiving the fastening portion 52. The securing portion 52 is at least partially located outside of the latching portion 22. Since the fastening portion 52 is at least partially located outside the locking portion 22, adjustment of the fastening portion 52 is facilitated. The platform 60b is configured to receive the fastening portion 52 to prevent the fastening portion 52 from interfering with the locking portion 22 entering the recess 60 a.
In another embodiment, not shown, the fastener 52 is located inside the latching portion 22. Thus, the fastening portion 52 is prevented from interfering with the locking portion 22 entering the groove 60 a.
In one embodiment, referring to fig. 1-6, the locking portion 22 is an eccentric cam that engages with the curved surface of the groove wall of the groove 60 a.
When the first folding member 10 and the second folding member 60 need to be locked, a force close to the second folding member 60 is firstly applied to the free portion 21, and the free portion 21 drives the locking portion 22 to be close to the second folding member 60. Since the locking portion 22 is an eccentric, the smaller radius portion of the locking portion 22 first enters the groove 60 a. This facilitates the first entry of the smaller radius portion of the latching portion 22 into the recess 60a by application of less force. Then, a force close to the first folding member 10 is applied to the free portion 21, the locking portion 22 rotates around the first rotating shaft 30, the portion with the larger radius of the locking portion 22 enters the groove 60a, the locking portion 22 is matched with the groove wall surface curved surface of the groove 60a, and the first folding member 10 and the second folding member 60 are locked. With the structure, the contact area between the locking part 22 and the groove 60a is further increased, so that the locking between the locking part 22 and the groove 60a is tighter, and the first folding piece 10 and the second folding piece 60 are prevented from loosening and shaking after being locked. The locking part 22 can be prevented from being separated from the groove 60a when the first folding member 10 is subjected to a force close to the second folding member 60 in the locking state of the first folding member 10 and the second folding member 60, and the safety is improved.
When it is necessary to unlock the first folding member 10 and the second folding member 60, a force is first applied to the free portion 21 away from the first folding member 10, the locking portion 22 rotates about the first rotation shaft 30, and the portion of the locking portion 22 having a larger radius is first released from the recess 60 a. Then, a force far away from the second folding member 60 is applied to the free portion 21, the free portion 21 drives the locking portion 22 to be far away from the second folding member 60, and the part with the smaller radius of the locking portion 22 is separated from the groove 60 a. This facilitates disengagement of the locking portion 22 from the groove 60a by application of a small force. The first fold 10 is unlocked from the second fold 60.
In one embodiment, referring to fig. 4 and 6, the connecting member 50 is threadedly coupled to the second shaft 40. This design facilitates quick assembly or disassembly of the connector 50 and the second shaft 40. For example, the second rotating shaft 40 may penetrate through one side of the first folding member 10, and then the connecting member 50 penetrates through the through hole 30a of the first rotating shaft 30 and then is fastened and connected with the second rotating shaft 40 in a screwing manner, so that not only is the connection stability between the three improved, but also the assembly and disassembly operations between the three are facilitated, and the disassembly and assembly convenience of the folding mechanism is improved.
In one embodiment, the first shaft 30 passes through the locking portion 22, one end of the connecting member 50 is connected to the first shaft 30, and the other end of the connecting member 50 is connected to the second shaft 40. One end of the connecting member 50 is connected to the first shaft 30, a through hole 30a along the radial direction of the first shaft 30 may be formed on the first shaft 30, the connecting member 50 includes a connecting rod 51 and a fastening portion 52 located at one end of the connecting rod 51, and one end of the connecting rod 51 far from the fastening portion 52 penetrates through the through hole 30a and is connected to the second shaft 40. The fastening portion 52 may restrict the connection rod 51 from being disengaged from the first rotation shaft 30. The connecting rod 51 and the fastening portion 52 may be an integral structure, and the connecting rod 51 may also be fixedly connected to the fastening portion 52. The connecting rod 51 may also be threadedly coupled with the fastening portion 52. An end of the connecting rod 51 away from the fastening portion 52 can be detachably connected to the second rotating shaft 40, for example, by a screw. Thus, the locking portion 22, the link 50 and the second rotating shaft 40 can be connected.
In one embodiment, please refer to fig. 1 to 6, the folding mechanism 100 includes a buckle 70 and a clip 80. The buckle 70 includes a card body 71 and a card portion 72 connected to the card body 71. The card body 71 is rotatably connected to the free portion 21. The snap 80 is located on the first fold 10. The snap-in portion 72 can snap-in with the snap-in member 80 to lock the free portion 21 with the first fold 10. In this way, the connection between the control member 20 and the first folding member 10 is further strengthened, thereby further locking the first folding member 10 and the second folding member 60. Making the folding mechanism 100 more robust and reliable.
In one embodiment, referring to fig. 1, the clip member 80 includes a clip body (not shown) connected to the first folding member 10 and a free end (not shown) extending from the clip body (not shown) in a direction away from the first folding member 10. The end face of the clamping portion 72 facing the free portion 21 can be abutted against the end face of the free portion 21 deviating from the free end, so that the clamping portion 72 can be clamped with the clamping piece 80. The card body 71 can be rotated, so that the end face of the clamping portion 72 facing the free portion 21 can be abutted against the end face of the free portion 21 facing the free end, and the clamping portion 72 is clamped with the clamping piece 80. The free portion 21 is in a locked state. When the unlocking is needed, the clamping body 71 is rotated in the opposite direction, so that the end surface of the clamping portion 72 facing the free portion 21 is separated from the end surface of the free end departing from the free portion 21, and the clamping portion 72 can be separated from the clamping piece 80. The free portion 21 is in the unlocked state.
In an embodiment not shown, the snap members 80 are countersunk. The sink is formed by an outer surface of the first fold 10 being inwardly concave. The clamping portion 72 can be accommodated in the sink groove so that the clamping portion 72 can be clamped with the clamping member 80. The card body 71 can be rotated so that the clamping portion 72 can be accommodated in the sink, and the clamping portion 72 is clamped with the clamping member 80. The free portion 21 is in a locked state. When the unlocking is needed, the clamping body 71 is rotated in the opposite direction, so that the clamping portion 72 is separated from the sinking groove, and the clamping portion 72 can be separated from the clamping piece 80. The free portion 21 is in the unlocked state.
Referring to fig. 3 to 6, in another aspect, an embodiment of the present application provides a foldable vehicle, where the foldable vehicle 1000 includes the folding mechanism 100 in any one of the embodiments described above.
In one embodiment, foldable vehicle 1000 includes a mast 200 and a front fork 300. One of the upright 200 and the front fork 300 is connected to the first fold 10. The other of the upright member 200 and the front fork 300 is connected to the second folding member 60. In one embodiment, referring to fig. 2, the upright 200 is connected to the first folding member 10. The front fork 300 is connected to the second fold 60. In another embodiment, the front fork 300 is connected to the first fold 10. The uprights 200 are connected to the second fold 60.
It is understood that the vertical rod 200 may be a hollow tube or a solid tube. The cross section of the vertical rod 200 may be circular, oval or polygonal. Such as a trilateral, quadrilateral, pentagonal, hexagonal, etc. The embodiments of the present application are not intended to be limiting.
The connection between the upright member 200 or the front fork 300 and the second folding member 60 and the first folding member 10 can be either the threaded connection between the upright member 200 and the first folding member 10 or the threaded connection between the upright member 200 and the second folding member 60. It is also possible that the front fork 300 is screw-coupled with the first folding member 10 or the front fork 300 is screw-coupled with the second folding member 60. It is also possible that the upright 200 is connected to the first fold 10 by a clamp, or that the upright 200 is connected to the second fold 60 by a clamp. The front fork 300 may be coupled to the first folding member 10 by a yoke, or the front fork 300 may be coupled to the second folding member 60 by a yoke.
Take the foldable vehicle provided by the embodiment of the application as an example of a foldable scooter. The foldable scooter that this application embodiment provided can also include front wheel, footboard and rear wheel. The front wheel is arranged on the front fork. The front wheel may be provided with a fender. The fender may be connected to the front fork. The pedal is used for stepping. The rear wheel is arranged at one end of the pedal far away from the front wheel. The rear wheel can also be provided with a mudguard which can be connected with the pedal. The user can stand on the footboard with one foot, and another foot steps on subaerial and to the rear wheel direction application of force, so, collapsible scooter can move forward.
In one embodiment, the foldable scooter can include a handlebar coupled to a pole. The transverse handle is convenient for a user to control the direction.
In an embodiment, the foldable scooter may comprise headlights for illumination. The headlights may be arranged on the uprights, cross-bars or front forks.
In one embodiment, the foldable scooter can include a power source for driving the front and/or rear wheels. In this way, the user can stand on the pedals with both feet. The foldable scooter is driven to move by the power supply.
The foldable vehicle provided by the embodiment of the application can also be a foldable bicycle, a foldable balance car and the like. The folding mechanism 100 provided by the embodiment of the application can be used in other mechanisms of a foldable vehicle, for example, a saddle of a foldable bicycle, so as to facilitate the folding and storage of the saddle.
The folding mechanism 100 provided by the embodiment of the present application can also be used for other devices requiring folding.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. A folding mechanism, comprising:
a first fold;
the operating control piece comprises a free part for applying force and a locking part connected with the free part;
the first rotating shaft is connected with the locking part, and the locking part can rotate around the first rotating shaft;
the second rotating shaft is connected with the first folding piece;
one end of the connecting piece is connected with the first rotating shaft, the other end of the connecting piece is connected with the second rotating shaft, and the connecting piece can rotate around the axis of the second rotating shaft; and
the second folding piece is provided with a groove matched with the locking part and is pivoted with the first folding piece;
the locking part is provided with a locking position and an unlocking position in the rotating direction around the first rotating shaft, and when the locking part is located at the locking position, part of the outer wall surface of the locking part is in abutting press fit with the groove wall surface of the groove so as to lock the first folding piece and the second folding piece; when the locking part is located at the unlocking position, the locking part can be withdrawn from the groove, so that the first folding piece can freely rotate relative to the second folding piece.
2. The folding mechanism of claim 1, wherein the first shaft has a through hole formed therein along a radial direction of the first shaft, the connecting member includes a connecting rod and a fastening portion at one end of the connecting rod, the connecting rod extends through the through hole, the fastening portion is configured to limit the connecting rod from disengaging from the first shaft, and an end of the connecting rod away from the fastening portion is connected to the second shaft.
3. The folding mechanism of claim 2 wherein said fastening portion is a unitary structure with said connecting bar or both are threaded.
4. The folding mechanism of claim 2 wherein said second fold includes a counter-sunk platform for receiving said fastening portion, said fastening portion being at least partially external to said latch portion.
5. The folding mechanism of any one of claims 1 to 4, wherein the locking portion is an eccentric cam which is fitted to a curved surface of a wall surface of the recess.
6. The folding mechanism of any one of claims 1 to 4, wherein the connecting member is threadedly connected to the second shaft.
7. The folding mechanism of any of claims 1 to 4, wherein the folding mechanism comprises:
the buckle comprises a clamp body and a clamp part connected with the clamp body, and the clamp body is rotatably connected with the free part; and
the joint spare is located on the first folded piece, joint portion can with joint spare joint, so that free portion with first folded piece locking.
8. The folding mechanism of claim 7, wherein the clamping member comprises a clamping body connected with the first folding member and a free end extending from the clamping body in a direction away from the first folding member, and an end surface of the clamping portion facing the free portion can abut against an end surface of the free end facing away from the free portion, so that the clamping portion can be clamped with the clamping member;
or, the joint spare is heavy groove, heavy groove by the surface of first folded piece inwards caves in and forms, joint portion can hold in heavy inslot to make joint portion can with joint spare joint.
9. A foldable vehicle, characterized in that it comprises a folding mechanism according to any one of claims 1 to 8.
10. The foldable vehicle of claim 9, comprising a mast and a front fork, one of the mast and the front fork being coupled to the first fold and the other of the mast and the front fork being coupled to the second fold.
CN202020128034.XU 2020-01-20 2020-01-20 Folding mechanism and foldable vehicle Active CN211844750U (en)

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PCT/CN2021/071574 WO2021147742A1 (en) 2020-01-20 2021-01-13 Folding mechanism and foldable vehicle

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WO2021147742A1 (en) * 2020-01-20 2021-07-29 纳恩博(北京)科技有限公司 Folding mechanism and foldable vehicle

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Publication number Priority date Publication date Assignee Title
CN2486445Y (en) * 2001-06-08 2002-04-17 赖存义 Folding structure for bicycle frame
JP2003137163A (en) * 2001-10-31 2003-05-14 Matsushita Electric Ind Co Ltd Connecting device of folding bicycle
CN2758181Y (en) * 2004-10-29 2006-02-15 韩德玮 Tightening device of folding joint
CN202006859U (en) * 2010-12-29 2011-10-12 史真亮 Folder for handlebar upright pipe of bicycle
CN203222084U (en) * 2013-03-21 2013-10-02 天津市克兰佰瑞自行车有限公司 Bicycle folding device
CN211844750U (en) * 2020-01-20 2020-11-03 纳恩博(北京)科技有限公司 Folding mechanism and foldable vehicle

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021147742A1 (en) * 2020-01-20 2021-07-29 纳恩博(北京)科技有限公司 Folding mechanism and foldable vehicle

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