WO2018081968A1 - 一种折叠车架及折叠车 - Google Patents

一种折叠车架及折叠车 Download PDF

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Publication number
WO2018081968A1
WO2018081968A1 PCT/CN2016/104434 CN2016104434W WO2018081968A1 WO 2018081968 A1 WO2018081968 A1 WO 2018081968A1 CN 2016104434 W CN2016104434 W CN 2016104434W WO 2018081968 A1 WO2018081968 A1 WO 2018081968A1
Authority
WO
WIPO (PCT)
Prior art keywords
pillar
folding
column
rotating member
folding frame
Prior art date
Application number
PCT/CN2016/104434
Other languages
English (en)
French (fr)
Inventor
蔡建军
Original Assignee
深圳市比思维科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市比思维科技有限公司 filed Critical 深圳市比思维科技有限公司
Priority to KR1020187008221A priority Critical patent/KR102014037B1/ko
Priority to SG11201802367SA priority patent/SG11201802367SA/en
Priority to EP16915411.9A priority patent/EP3342692B1/en
Priority to PCT/CN2016/104434 priority patent/WO2018081968A1/zh
Priority to US15/761,246 priority patent/US10766560B2/en
Priority to JP2018517301A priority patent/JP6554231B2/ja
Publication of WO2018081968A1 publication Critical patent/WO2018081968A1/zh

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Classifications

    • 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
    • B62K15/006—Collapsible or foldable cycles the frame being foldable
    • 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
    • B62K15/006—Collapsible or foldable cycles the frame being foldable
    • B62K15/008—Collapsible or foldable cycles the frame being foldable foldable about 2 or more axes
    • 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
    • B62K3/00—Bicycles
    • B62K3/02—Frames
    • 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
    • B62K2015/001—Frames adapted to be easily dismantled
    • 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
    • B62K2015/003—Collapsible or foldable cycles having a foldable crank or pedal
    • 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
    • B62K2015/005—Collapsible or foldable cycles having additional wheels for use when folded or collapsed
    • 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
    • B62K25/00—Axle suspensions
    • B62K25/005—Axle suspensions characterised by the axle being supported at one end only

Definitions

  • the present invention relates to the field of vehicles, and in particular to a folding frame and a folding vehicle.
  • the frame In the prior art folding frame, the frame is usually horizontally rotated and folded so that the front and rear wheels overlap left and right, thereby reducing the occupied space.
  • This folding method needs to be fixed after deployment to prevent shaking from side to side during riding. Since vibration occurs during riding, the fixed structure is easily released, posing a safety hazard. And the fixed structure operation is relatively complicated, which is not conducive to use.
  • the folded structure lacks effective support in the unfolded state, and its stabilizing performance is poor.
  • the technical problem to be solved by the present invention is to provide a folding frame and a folding vehicle, which has reliable stability and is simple and convenient to operate.
  • an embodiment of the present invention provides a folding frame including a beam, a column, and a support column;
  • the beam includes a front beam and a back beam; a rear end bottom of the front beam and the The front end of the rear beam is pivotally connected to enable the two to be vertically folded, and the angle between the axis of rotation of the front beam and the central axis of the back beam is an acute angle;
  • the support column includes a front pillar and a rear pillar.
  • the front pillar is mated with the front beam, the rear end of the front pillar is rotatably connected with the front end of the rear pillar to enable the two to be folded, and the rear pillar is rotatably connected with the pillar;
  • a rear end of the front beam abuts a front end of the back beam, a front end of the front pillar is inserted into the front beam, and is supported under the front beam
  • the beam, the column and the support column have a triangular shape
  • the front pillar When the folding frame is in a folded state, the front pillar is rotated relative to the rear pillar to a state separated from the front beam, and the front beam is rotated relative to the rear beam to a side of the pillar.
  • the folding mechanism comprises two hinges, two of the hinges are rotatably connected, and the two folding pages are respectively fixed to the rear end surface of the front beam And a front end surface of the back beam, in a folded state of the folding frame, a plane of the folding plane is perpendicular to a central axis of the back beam; a rotation axis between the two folding pages and a plane where the folding page is located The angle between the two is sharp An angle between the two hinges forms a rotation axis between the front beam and the back beam.
  • the front pillar and the front beam are plugged together by a plugging mechanism
  • the plugging mechanism includes a plug post and a plugging slot
  • the top end of the plugging pole is provided with a frustum-like structure.
  • An end of the truncated cone-shaped structure having a larger diameter is fixedly connected to the plug post, and a diameter of the frustum-shaped structure is larger than the plug at a connection between the frustum-shaped structure and the plug post.
  • the bottom end of the plug post is fixedly connected to the front end of the front post, and the plug slot is disposed on the front beam;
  • the bottom end of the plug post is fixedly connected to the front beam, and the plug slot is disposed on the front end of the front pillar.
  • the front beam is provided with a positioning post, the insertion slot is disposed on the positioning post; when the folding frame is in an unfolding In the state, the positioning post, the plug post, and the front post are on the same axis.
  • a positioning mechanism capable of positioning the two on the same axis is disposed between the front pillar and the rear pillar.
  • the front post and the rear post are rotatably connected by a rotating mechanism
  • the rotating mechanism includes a first rotating member and a second rotating member that are rotatably connected
  • the positioning mechanism includes a positioning protrusion and a positioning that cooperate with each other.
  • a groove the positioning protrusion is disposed on the first rotating member, the positioning groove is disposed on the second rotating member; when the folding frame is in an unfolded state, the positioning protrusion is positioned In the positioning groove, when the folding frame is in the stowed state, the positioning protrusion moves to the outside of the positioning groove;
  • the first rotating member is fixed to the rear pillar, and the second rotating member is fixed to the front pillar;
  • the first rotating member is fixed to the front pillar, and the second rotating member is fixed to the rear pillar.
  • the second rotating member is U-shaped, the first rotating member is rotatably coupled between the two arms of the first rotating member; the positioning groove is disposed at two of the second rotating members At the arm joint, the positioning protrusion is disposed on an end surface of the first rotating member facing the second rotating member.
  • the rotating mechanism is further provided with a unidirectional limiting structure for bending the supporting column only in one direction.
  • the first rotating member comprises a base and a connecting arm
  • the connecting arm is fixed at an intermediate position of the base
  • the connecting arm is rotatably connected between the two arms of the second rotating member
  • the base is fixedly connected to the rear pillar or the front pillar;
  • a finite position protrusion is disposed on a surface of the base facing the second rotating member, and the limiting protrusion is located below the second rotating member, and the limiting protrusion forms the one-way Limit structure.
  • a rotation axis between the column and the rear column is parallel to a rotation axis between the front column and the rear column.
  • the rotating shaft between the front pillar and the rear pillar is perpendicular to a central axis of the back beam and a central axis of the pillar.
  • the column is fixed with a connecting member
  • the connecting member is provided with two clamping members
  • the rear pillar is rotatably connected between the two clamping members
  • the folding frame further comprises a rear wheel bracket.
  • the rear wheel bracket includes two cross bars, and the two cross bars are respectively fixed on two sides of the column, and are fixedly connected to the connecting member.
  • the present invention provides a folding cart comprising the aforementioned folding frame.
  • the folding frame and the folding truck provided by the invention are vertically folded between the front beam and the back beam, and are not folded and folded by themselves during riding, and have good reliability; the front end of the front pillar is inserted in front
  • the beam is supported under the front beam, and the support of the front beam by the support column enables the beam to be positioned in an unfolded state without folding downward; the beam, the column and the support column have a triangular shape, which can ensure the entire frame.
  • the stability of the rear column and the front column makes the front pillar and the rear pillar relatively bent.
  • the front pillar can be pulled out from the front beam, and the front beam can be folded down to fold the frame, which is easy to operate and convenient to use.
  • FIG. 1 is a schematic structural view of a folding frame provided in a developed state according to a preferred embodiment of the present invention
  • Figure 2 is a schematic view showing the structure of the folding frame of Figure 1 at another angle in an unfolded state
  • Figure 3 is a schematic view showing the structure of the folding frame of Figure 1 at an additional angle in an unfolded state
  • Figure 4 is a structural schematic view of the folding frame of Figure 1 at another angle in an unfolded state
  • Figure 5 is an enlarged view of A in Figure 4.
  • FIG. 6 is a schematic structural view of the support post of the folding frame provided by the present invention after being bent;
  • Figure 7 is an enlarged view of B in Figure 6;
  • Figure 8 is a schematic structural view of the folding frame provided by the present invention in a folded state
  • Figure 9 is a schematic view showing the structure of the folding frame of Figure 8 at another angle in a folded state
  • Figure 10 is a schematic view showing the structure of the folding frame of Figure 8 at an additional angle in a folded state
  • Figure 11 is a schematic view showing the structure of the folding frame of Figure 8 at another angle in a folded state
  • Figure 12 is a bottom view of the folding frame of Figure 8 in a folded state
  • Figure 13 is a front elevational view of the folding frame of Figure 8 in a folded state.
  • a preferred embodiment of the present invention provides a folding cart that can be a folding bicycle or a folding electric vehicle.
  • the folding vehicle includes a folding frame 100, a front wheel and a rear wheel (not shown), and the front wheel and the rear wheel are respectively mounted on the front end and the rear end of the folding frame 100.
  • the front wheel can be The side that is biased toward the folding cart is turned over so that the front wheel moves to a position substantially overlapping with the rear wheel to save space and facilitate storage.
  • a folding frame 100 includes a beam 1, a column 2 and a support column 3; the beam 1 includes a front beam 11 and a rear beam 12; and a rear end of the front beam 11
  • the front end bottom of the rear beam 12 is rotationally coupled to enable vertical folding, and the angle between the axis of rotation of the front beam 11 and the central axis of the rear beam 12 is an acute angle. Since the axis of rotation between the front beam 11 and the rear beam 12 is not perpendicular or parallel to the central axis of the rear beam 12, but forms an acute angle, the central axes of the front beam 11 and the rear beam 12 are different after the front beam 11 is rotated relative to the rear beam 12.
  • the straight line as shown in FIGS.
  • front beam 11 and the back beam 12 can cause the front beam 11 to be turned downward and deflected toward one side of the rear beam 12, so that the front wheel and the rear wheel are overlapped to realize the folding of the entire vehicle. Since the front beam 11 and the back beam 12 are vertically folded, they do not rotate and fold by themselves during riding, and have good reliability.
  • the support column 3 includes a front pillar 31 and a rear pillar 32.
  • the front pillar 31 is mated with the front beam 11, and the front pillar 31 is inserted into the front beam 11, and the front beam 11 can be supported.
  • the rear end of the front pillar 31 is rotatably coupled to the front end of the rear pillar 32 to enable the two to be folded, and the rear pillar 32 is rotatably coupled to the pillar 2.
  • the front pillar 31 is rotatably connected to the rear pillar 32, and the rear pillar 32 is rotatably connected with the pillar 2, and the front pillar 31 can be conveniently inserted into the front beam 11 by the rotation of the front pillar 31 and the rear pillar 32, or from the front beam 11 Pull out.
  • the rear end of the front beam 11 abuts against the front end of the rear beam 12, so that the front beam 11 is turned upside down to the front beam 11 and the rear beam 12 on the same axis. After that, the front beam 11 will not rotate upward again.
  • the front end of the front pillar 31 is inserted into the front beam 11 and supported under the front beam 11, and the front pillar 31 and the rear pillar 32 are located on the same axis.
  • the beam 1 By supporting the front pillar 11 by the support pillar 3, the beam 1 can be positioned. In the expanded state, it will not fold down.
  • the beam 1, the column 2 and the support column 3 are generally triangular in shape, and the three form a stable triangle, which can ensure the stability of the entire frame.
  • the front pillar 31 is rotated relative to the rear pillar 32 to a state separated from the front beam 11, and the front beam 11 is rotated relative to the rear beam 12 to one side of the pillar 2 .
  • the rear pillar 32 and the front pillar 31 are rotated, so that the front pillar 31 and the rear pillar 32 are relatively bent, and the front pillar 31 can be pulled out from the front beam 11, and the front pillar 31 can be The front beam 11 is separated. After the support force of the support column 3 to the beam 1 is cancelled, the front beam 11 can be rotated relative to the back beam 12.
  • the front beam 11 is turned down, and due to the acute angle formed between the rotating shaft and the axial direction of the rear beam 12, the front beam 11 is biased toward the side of the frame when the front beam 11 is turned downward, so that the front beam 11 is turned over to one side of the column 2 .
  • the front beam 11 can drive the front wheel to flip, so that the front wheel and the rear wheel are substantially stacked, which reduces the size of the entire folding car for storage or carrying, and is simple and convenient to use.
  • the front beam 11 and the rear beam 12 are connected by a folding mechanism 13, and the folding mechanism 13 includes two hinges 131.
  • the two hinges 131 are rotatably connected, and the two hinges 131 are respectively attached and fixed to the front beam 11.
  • the front end surface of the rear end surface and the rear beam 12, in the folded state of the folding frame 100, the plane of the hinge 131 is perpendicular to the central axis of the rear beam 12; the gap between the rotating shaft 132 between the two folding pages 131 and the plane of the folding sheet 131
  • the angle is an acute angle, and the rotating shaft between the two folds 131 forms a rotating shaft between the front beam 11 and the rear beam 12.
  • the angle between the rotation axis between the two hinges 131 and the plane of the hinge 131 is an acute angle, so that the central axis of the rotation shaft and the rear beam 12 can be made.
  • the angle is set at an angle and the angle is an acute angle.
  • the relative rotation between the front beam 11 and the beam 1 is achieved by the folding mechanism 13 without special processing of the structure of the front beam 11 and the rear beam 12.
  • the rear end surface of the front beam 11 may be flat and perpendicular to the center of the front beam 11.
  • the front end surface of the rear beam 12 may also be a flat surface and perpendicular to the central axis of the rear beam 12.
  • the front pillar 31 is inserted on the bottom surface of the front beam 11, thereby providing a more stable and stable supporting force for the front beam 11.
  • the front pillar 31 can also be plugged onto the side of the front beam 11, or other portions of the front beam 11.
  • the front pillar 31 and the front beam 11 are plugged together by a plug-in mechanism
  • the plug-in mechanism includes a plug-in post 341 and a plug-in slot 342
  • the top end of the plug-in post 341 is provided with a frustum-like structure 343.
  • the larger diameter end of the frustum-shaped structure 343 is fixedly connected to the plug post 341.
  • the diameter of the frustum-shaped structure 343 is larger than the diameter of the plug post 341.
  • the bottom end of the insertion post 341 is fixedly connected to the front end of the front pillar 31, and the insertion slot 342 is disposed on the front beam 11.
  • the mating between the front post 31 and the front beam 11 can be facilitated by the cooperation of the plug post 341 and the mating slot 342.
  • the insertion post 341 is engaged with the insertion slot 342 through the top frustum-like structure 343, so that it can be easily inserted and removed. Since the insertion and extraction are performed by the rotation of the front pillar 31 and the rear pillar 32, the plug post 341 does not move in the axial direction, so that the top slope surface formed by the frustum-shaped structure 343 can facilitate the convenience.
  • the front beam 11 is provided with a positioning post 14, and the insertion groove 342 is disposed on the positioning post 14; when the folding frame 100 is in an unfolded state
  • the positioning post 14 can be used to facilitate the provision of the insertion groove 342 on the front beam 11, and the downward force of the cross beam 1 can be along the support column.
  • the axial direction of 3 is applied, so that the support column 3 can better provide the supporting force and ensure the stability of the entire frame structure.
  • the bottom end of the plug post 341 is fixedly connected to the front pillar 31, and the plugging slot 342 is disposed on the front beam 11.
  • the bottom of the plug post 341 may be The end is fixedly connected to the front beam 11, and the insertion groove 342 is disposed on the front end of the front pillar 31.
  • the insertion groove 342 is disposed on the positioning post 14.
  • the insertion groove 342 may also be directly disposed on the front beam 11.
  • the plug post 341 and the frustum structure 343 are utilized. The insertion between the front pillar 31 and the front beam 11 is realized.
  • the front end of the front pillar 31 may be directly inserted into the front beam 11 without the insertion post 341.
  • a positioning mechanism capable of positioning the two pillars on the same axis is provided between the front pillar 31 and the rear pillar 32. More specifically, as shown in FIG. 3-7, the front pillar 31 and the rear pillar 32 are rotatably connected by a rotating mechanism 33, and the rotating mechanism 33 includes a first rotating member 331 and a second rotating member 332 which are rotatably connected, and the positioning mechanism includes a matching positioning protrusion 351 and a positioning groove (not shown), the positioning protrusion 351 is disposed on the first rotating member 331, and the positioning groove is disposed on the second rotating member 332; when the folding frame 100 is at In the unfolded state, the positioning protrusion 351 is positioned in the positioning groove, and when the folding frame 100 is in the stowed state, the positioning protrusion 351 is moved outside the positioning groove.
  • the front pillar 31 and the rear pillar 32 can be placed on the same axis, and then there is no certain force, the two will not rotate relative to each other, only when the user faces the front pillar 31.
  • a force is applied to the junction with the rear pillar 32 to cause the two to rotate relative to each other.
  • the first rotating member 331 is fixed to the rear pillar 32, and the corresponding second rotating member 332 is fixed to the front pillar 31.
  • the first rotating member 331 is fixed to the front pillar 31, and the corresponding second rotating member 332 is fixed to the rear pillar 32.
  • the second rotating member 332 is U-shaped, and the first rotating member 331 is rotatably connected between the two arms of the first rotating member 331; the positioning groove is disposed at the joint of the two arms of the second rotating member 332, and is positioned The projection 351 is disposed on an end surface of the first rotating member 331 facing the second rotating member 332.
  • the positioning groove is located between the two arms of the second rotating member 332 such that the positioning groove is located inside the second rotating member 332 to avoid positioning due to external interference during the rotating process.
  • the rotation axis between the column 2 and the rear column 32 is parallel to the rotation axis between the front column 31 and the rear column 32, both of which are perpendicular to the central axis of the rear beam 12 and the central axis of the column 2. That is, the rotation axes at the front and rear ends of the rear pillar 32 are both left and right directions, and the rotation axes of the front wheel and the rear wheel are parallel to each other, so as to facilitate the user to apply a force to the support column 3 to bend the support column 3, in use.
  • the joint of the front pillar 31 and the rear pillar 32 of the support column 3 may be bent downward or bent upward to realize folding or unfolding of the support pillar 3.
  • the support column 3 can be bent toward the left and right direction of the folding car to realize the support column. Fold or unfold of 3.
  • the rotating mechanism 33 is further provided with a unidirectional limiting structure for the support column 3 to be bent only in one direction.
  • the support column 3 is bent in one direction by using the one-way limit structure, and the support column 3 can be effectively positioned in the unfolded state when the support column 3 is deployed, so as to prevent the support column 3 from being bent in the other direction during the expansion. Inconvenient operation.
  • the first rotating member 331 includes a base 331a and a connecting arm 331b, and the connecting arm 331b is fixed to an intermediate position of the base 331a such that the first rotating member 331 is substantially T-shaped.
  • the connecting arm 331b is rotatably coupled between the two arms of the second rotating member 332.
  • the base 331a is fixedly coupled to the rear pillar 32.
  • the base 331a is fixedly coupled to the front pillar 31.
  • a finite protrusion 331c is disposed on the surface of the base 331a facing the second rotating member 332, and the limiting protrusion 331c is located below the second rotating member 332, and the limiting protrusion 331c is utilized.
  • the front pillar 31 and the rear pillar 32 are on the same axis, the front pillar 31 can no longer rotate downward relative to the rear pillar 32, that is, the middle joint of the support pillar 3 cannot be bent upward, and the limiting protrusion 331c forms the One-way limit structure.
  • the front pillar 31 rotates downward relative to the rear pillar 32, that is, the middle joint of the support pillar 3 moves upward to unfold the support pillar 3, and the top end of the arm of the second rotating member 332 and the limiting projection 331c After the abutment, the front pillar 31 can no longer be rotated downward relative to the rear pillar 32.
  • the insertion post 341 of the front pillar 31 is aligned with the insertion slot 342 of the front beam 11, and the middle joint of the support post 3 is lifted up, so that the insertion post 341 is inserted into the insertion.
  • the support column 3 is unfolded, and the front pillar 31 and the rear pillar 32 are positioned on the same axis by the action of the limiting protrusion 331c and the positioning mechanism, that is, the support pillar 3 is positioned in the unfolded state.
  • the column 2 is fixed with a connecting member 21, and the connecting member 21 is provided with two clamping members 22, and the rear pillar 32 is rotatably connected between the two clamping members 22; the folding frame 100 is folded.
  • a rear wheel bracket 4 that includes two crossbars 41 that are respectively secured to the sides of the uprights 2 and that are each fixedly coupled to the connector 21.
  • the support column 3, the column 2 and the cross bar 41 can be conveniently connected together to enhance the strength of the connecting structure and ensure the stability of the entire frame.
  • the rear wheel can be mounted between the rear ends of the two cross bars 41.
  • the rear wheel bracket 4 may further include two slashes 42.
  • the rear ends of the two slashes 42 are fixedly connected to the rear ends of the two cross bars 41, respectively.
  • the front end can be fixedly connected to the upper end of the column 2 respectively to ensure the stability of the structure of the rear wheel bracket 4.
  • the positioning mechanism includes a positioning protrusion 351 and a positioning groove, and the front pillar 31 and the rear pillar 32 are positioned on the same axis by using the twisting of the two.
  • the positioning mechanism further The fastening handle may be connected to the rotating shaft of the front pillar 31 and the rear pillar 32, and the rotating fastening handle locks the rotating shaft, so that the front pillar 31 and the rear pillar 32 can no longer rotate relative to each other to support the pillar 3 Positioned in the expanded state.
  • the positioning mechanism may also be a sleeve which is sleeved on the front pillar 31 or the rear pillar 32 and is relatively slidable relative to the front pillar 31 or the rear pillar 32.
  • the current pillar 31 and the rear pillar 32 are located. After the same axis, the sleeve can be slid to the joint of the front pillar 31 and the rear pillar 32, and the force of the sleeve can prevent the front pillar 31 and the rear pillar 32 from rotating relative to each other.
  • the structure of the positioning protrusion 351 and the positioning groove in the embodiment is the most compact, convenient for processing and preparation, and the operation is convenient and quick.
  • the limiting protrusion 331c is a one-way limiting structure, which is disposed on the first rotating member 331, and has a simple structure and is convenient for processing and preparation.
  • the one-way limiting structure may also be a structure such as a limiting boss or a limiting blocking piece disposed on the second rotating member 332, and the limiting boss or the limiting blocking piece is blocked in the first
  • One side of the rotating member 331 defines an angle of the first rotating member 331, so that the first rotating member 331 cannot be rotated after being rotated by a certain angle.

Abstract

一种折叠车架及折叠车，折叠车架包括横梁（1）、立柱（2）及支撑柱（3）；横梁包括前梁（11）和后梁（12）；前梁的后端底部与后梁的前端底部转动连接以使二者能够竖向折叠，且前梁的转动轴线与后梁的中心轴线之间的夹角为锐角；支撑柱包括前柱（31）和后柱（32），前柱与前梁插接配合，前柱与后柱转动连接，后柱与立柱转动连接；前梁与后梁之间为竖向折叠，在骑行中不会自行旋转而折叠，具有较好的可靠性；前柱的前端插接于前梁、并支撑在前梁的下方，能够使得横梁定位在展开状态，不会向下翻折；横梁、立柱及支撑柱呈三角形状，可以保证车架的稳定性；转动后柱及前柱，使得前柱与后柱二者相对弯折，前柱可以从前梁中拔出，前梁下翻即可将车架折叠，操作简单，方便使用。

Description

一种折叠车架及折叠车 技术领域
本发明涉及交通工具领域，尤其涉及一种折叠车架及折叠车。
背景技术
现有技术中的折叠车架，通常是将车架水平旋转折叠，以使得前后轮左右重叠，从而减小占用空间。该折叠方式在展开后需要进行固定，以防止在骑行过程中左右晃动。由于在骑行过程中会产生振动，固定结构容易松脱，从而带来安全隐患。且固定结构操作相对复杂，不利于使用。另外，该折叠结构在展开状态下缺少有效支撑，其稳固性能较差。
发明内容
本发明所要解决的技术问题在于，提供一种折叠车架及折叠车，具有可靠的稳固性，且操作简单方便。
为了解决上述技术问题，一方面，本发明的实施例提供了一种折叠车架，包括横梁、立柱及支撑柱；所述横梁包括前梁和后梁；所述前梁的后端底部与所述后梁的前端底部转动连接以使二者能够竖向折叠，且所述前梁的转动轴线与所述后梁的中心轴线之间的夹角为锐角；所述支撑柱包括前柱和后柱，所述前柱与所述前梁插接配合，所述前柱的后端与所述后柱的前端转动连接以使二者能够折叠，所述后柱与所述立柱转动连接；
当所述折叠车架处于展开状态时，所述前梁的后端与所述后梁的前端抵接，所述前柱的前端插接于所述前梁、并支撑在所述前梁的下方，所述横梁、所述立柱及所述支撑柱呈三角形状；
当所述折叠车架处于折叠状态时，所述前柱相对所述后柱转动至与所述前梁相分离的状态，所述前梁相对所述后梁转动至所述立柱的一侧处。
其中，所述前梁与所述后梁通过折叠机构连接，所述折叠机构包括两个折页，两个所述折页转动连接，两个所述折页分别固定于所述前梁的后端面及所述后梁的前端面，在所述折叠车架折叠状态下，所述折页所在平面垂直于所述后梁的中心轴线；两所述折页之间的转轴与所述折页所在平面之间的夹角为锐 角，两所述折页之间的转轴形成所述前梁与所述后梁之间的转轴。
其中，所述前柱与所述前梁之间通过插接机构插接在一起，所述插接机构包括插接柱及插接槽，所述插接柱的顶端设有锥台状结构，所述锥台状结构直径较大的一端与所述插接柱固定连接，在所述锥台状结构与所述插接柱的连接处，所述锥台状结构的直径大于所述插接柱的直径；
所述插接柱的底端与所述前柱的前端固定连接，所述插接槽设置于所述前梁上；或者，
所述插接柱的底端与所述前梁固定连接，所述插接槽设置于所述前柱的前端上。
其中，在所述插接槽设置于所述前梁上的情况下，所述前梁上设置有定位柱，所述插接槽设置在所述定位柱上；当所述折叠车架处于展开状态时，所述定位柱、所述插接柱、及所述前柱位于同一轴线上。
其中，所述前柱与所述后柱之间设置有能够将二者定位在同一轴线上的定位机构。
其中，所述前柱与所述后柱之间通过转动机构转动连接，所述转动机构包括转动连接的第一转动件和第二转动件，所述定位机构包括相互配合的定位凸起及定位凹槽，所述定位凸起设置在所述第一转动件上，所述定位凹槽设置在所述第二转动件上；当所述折叠车架处于展开状态时，所述定位凸起定位于所述定位凹槽中，当所述折叠车架处于收起状态时，所述定位凸起移动至所述定位凹槽外；
所述第一转动件固定于所述后柱上，相应所述第二转动件固定至所述前柱上；或者，
所述第一转动件固定于所述前柱上，相应所述第二转动件固定至所述后柱上。
其中，所述第二转动件呈U型，所述第一转动件转动连接在所述第一转动件的两个支臂之间；所述定位凹槽设置在所述第二转动件的两支臂连接处，所述定位凸起设置在所述第一转动件朝向所述第二转动件的端面上。
其中，所述转动机构上还设置有用于使所述支撑柱仅能单向弯折的单向限位结构。
其中，所述第一转动件包括基座与连接臂，所述连接臂固定于所述基座的中间位置，所述连接臂转动连接在所述第二转动件的两个支臂之间；所述基座与所述后柱或所述前柱固定连接；
所述基座上朝向所述第二转动件的表面上设置有限位凸起，且所述限位凸起位于所述第二转动件的下方处，所述限位凸起形成所述单向限位结构。
其中，所述立柱与所述后柱之间的转轴平行于所述前柱与所述后柱之间的转轴。
其中，所述前柱与所述后柱之间的转轴同时垂直于所述后梁的中心轴线及所述立柱的中心轴线。
其中，所述立柱上固定有连接件，所述连接件上设置有两个夹持件，所述后柱转动连接在两个夹持件之间；所述折叠车架还包括后轮支架，所述后轮支架包括两个横杆，两个所述横杆分别固定在所述立柱的两侧，且均与所述连接件固定连接。
另一方面，本发明提供了一种折叠车，包括前述的折叠车架。
本发明提供的折叠车架及折叠车，前梁与后梁之间为竖向折叠，在骑行过程中不会自行发生旋转而折叠，具有较好的可靠性；前柱的前端插接于前梁、并支撑在前梁的下方，利用支撑柱对前梁的支撑作用，能够使得横梁定位在展开状态，不会向下翻折；横梁、立柱及支撑柱呈三角形状，可以保证整个车架的稳定性；转动后柱及前柱，使得前柱与后柱二者相对弯折，前柱可以从前梁中拔出，前梁下翻即可将车架折叠，操作简单，方便使用。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，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的附图。
图1是本发明优选实施例提供的折叠车架在展开状态下的结构示意图；
图2是图1中折叠车架在展开状态下另一角度的结构示意图；
图3是图1中折叠车架在展开状态下再一角度的结构示意图；
图4是图1中折叠车架在展开状态下又一角度的结构示意图；
图5是图4中的A处放大图；
图6是本发明提供的折叠车架的支撑柱弯折后的结构示意图；
图7是图6中的B处放大图；
图8是本发明提供的折叠车架在折叠状态下的结构示意图；
图9是图8中折叠车架在折叠状态下另一角度的结构示意图；
图10是图8中折叠车架在折叠状态下再一角度的结构示意图；
图11是图8中折叠车架在折叠状态下又一角度的结构示意图；
图12是图8中折叠车架在折叠状态下仰视示意图；
图13是图8中折叠车架在折叠状态下前侧示意图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述。以下实施例中所描述的方位，如前、后、左、右、上、下等，均是指折叠车在正常使用时相对使用者的方位。
本发明优选实施例提供了一种折叠车，该折叠车可以为折叠自行车，也可以为折叠电动车。折叠车包括折叠车架100、前轮及后轮(图中未示出)，前轮及后轮分别安装于折叠车架100的前端及后端，利用折叠车架100，可以将前轮向下且偏向折叠车的一侧翻转，使得前轮移动至与后轮大致重叠位置处，以节省空间，便于存放。
参见图1-4，为本发明中优选实施例提供的一种折叠车架100，包括横梁1、立柱2及支撑柱3；横梁1包括前梁11和后梁12；前梁11的后端底部与后梁12的前端底部转动连接以使二者能够竖向折叠，且前梁11的转动轴线与后梁12的中心轴线之间的夹角为锐角。由于前梁11与后梁12之间的转动轴线并非垂直或平行于后梁12的中心轴线，而是形成锐角，前梁11相对后梁12旋转后，前梁11与后梁12二者的中心轴线为异面直线，如图8-13所示，可以使得前梁11向下且偏向后梁12的一侧翻转，从而使得前轮与后轮重叠设置，实现整个车的折叠。由于前梁11与后梁12之间为竖向折叠，在骑行过程中不会自行发生旋转而折叠，具有较好的可靠性。
如图3-7所示，支撑柱3包括前柱31和后柱32。前柱31与前梁11插接配合，前柱31插接于前梁11后，可以对前梁11提供支撑。前柱31的后端与后柱32的前端转动连接以使二者能够折叠，后柱32与立柱2转动连接。前柱31与后柱32转动连接，且后柱32与立柱2转动连接，利用前柱31与后柱32的转动，可以方便将前柱31插接至前梁11中，或者从前梁11中拔出。
如图1-4所示，当折叠车架100处于展开状态时，前梁11的后端与后梁12的前端抵接，以使得前梁11向上翻转至前梁11与后梁12位于同一轴线上后，前梁11不会再向上转动。前柱31的前端插接于前梁11、并支撑在前梁11的下方，前柱31与后柱32位于同一轴线上，利用支撑柱3对前梁11的支撑作用，能够使得横梁1定位在展开状态，不会向下翻折。横梁1、立柱2及支撑柱3三者整体呈三角形状，三者形成稳固的三角形，可以保证整个车架的稳定性。
如图8-13所示，当折叠车架100处于折叠状态时，前柱31相对后柱32转动至与前梁11相分离的状态，前梁11相对后梁12转动至立柱2的一侧处。在将折叠车架100进行折叠时，转动后柱32及前柱31，使得前柱31与后柱32二者相对弯折，前柱31可以从前梁11中拔出，前柱31即可与前梁11相分离。在取消支撑柱3对横梁1的支撑力后，前梁11可以相对后梁12转动。前梁11向下翻转，且由于转轴与后梁12的轴向之间形成有锐角，使得前梁11向下翻转时偏向车架的一侧，从而使得前梁11翻转至立柱2的一侧处。前梁11可以带动前轮翻转，使得前轮与后轮大致层叠设置，减小整个折叠车的尺寸便于进行存放或携带，操作简单，方便使用。
如图8所示，前梁11与后梁12通过折叠机构13连接，折叠机构13包括两个折页131，两个折页131转动连接，两个折页131分别贴合固定于前梁11的后端面及后梁12的前端面，在折叠车架100折叠状态下，折页131所在平面垂直于后梁12的中心轴线；两折页131之间的转轴132与折页131所在平面之间的夹角为锐角，两折页131之间的转轴形成前梁11与后梁12之间的转轴。
由于折页131所在平面垂直于后梁12的中心轴线，两折页131之间的转轴与折页131所在平面的夹角为锐角，即可使得转轴与后梁12的中心轴线之 间呈夹角设置，且夹角为锐角。利用折叠机构13实现前梁11与横梁1之间的相对转动，而无需对前梁11与后梁12的结构进行特殊加工，前梁11的后端面可以为平面，且垂直于前梁11的中心轴线，后梁12的前端面亦可以为平面，且垂直于后梁12的中心轴线，在安装时，只需要将两个折页131分别固定在前梁11的后端面及后梁12的前端面上即可，方便装配连接，且方便加工制备。
如图3-7所示，本实施例中，前柱31插接于前梁11的底面上，从而为前梁11提供更加温稳固的支撑力。当然，在其他实施方式中，前柱31也可以插接至前梁11的侧面上，或前梁11的其他部位上。
更具体地，前柱31与前梁11之间通过插接机构插接在一起，插接机构包括插接柱341及插接槽342，插接柱341的顶端设有锥台状结构343，锥台状结构343直径较大的一端与插接柱341固定连接，在锥台状结构343与插接柱341的连接处，锥台状结构343的直径大于插接柱341的直径。插接柱341的底端与前柱31的前端固定连接，插接槽342设置于前梁11上。利用插接柱341与插接槽342的配合，可以利于前柱31与前梁11之间的插接。插接柱341通过顶端的锥台状结构343与插接槽342配合，可以方便插入和拔出。由于在进行插入和拔出时，是利用前柱31和后柱32的转动实现的，插接柱341并非沿轴向进行移动，故利用锥台状结构343形成的顶部斜坡面，可以利于方便插接柱341顶端的锥台状结构343的插入和拔出。
在插接槽342设置于前梁11上的情况下，如图7所示，前梁11上设置有定位柱14，插接槽342设置在定位柱14上；当折叠车架100处于展开状态时，定位柱14、插接柱341、及前柱31位于同一轴线上，利用定位柱14可以便于在前梁11上设置插接槽342，且可以使得横梁1向下的作用力沿支撑柱3的轴线方向施加，从而使得支撑柱3能够更好地提供支撑力，保证整个车架结构的稳固性。
在本实施方式中，插接柱341的底端与前柱31固定连接，插接槽342设置于前梁11上，此处，在其他实施方式中，也可以是，插接柱341的底端与前梁11固定连接，插接槽342设置于前柱31的前端上。在本实施方式中，插接槽342设置在定位柱14上，当然，在其他实施方式中，插接槽342也可以直接设置在前梁11上。在本实施方式中，利用插接柱341及锥台状结构343 实现前柱31与前梁11之间的插接，此处，在其他实施方式中，也可以是，前柱31的前端直接插接在前梁11上，而不设置插接柱341。
为了保证前柱31与后柱32展开后的定位，前柱31与后柱32之间设置有能够将二者定位在同一轴线上的定位机构。更具体地，如图3-7所示，前柱31与后柱32之间通过转动机构33转动连接，转动机构33包括转动连接的第一转动件331和第二转动件332，定位机构包括相互配合的定位凸起351及定位凹槽(图中未示出)，定位凸起351设置在第一转动件331上，定位凹槽设置在第二转动件332上；当折叠车架100处于展开状态时，定位凸起351定位于定位凹槽中，当折叠车架100处于收起状态时，定位凸起351移动至定位凹槽外。利用定位凸起351与定位凹槽的配合，可以使得前柱31与后柱32处于同一轴线上后，再没有一定的作用力下，二者不会相对转动，只有在使用者对前柱31与后柱32的连接处施加作用力，才能使得二者相对转动。本实施例中，第一转动件331固定于后柱32上，相应第二转动件332固定至前柱31上。当然，在其他实施方式中，也可以是，第一转动件331固定于前柱31上，相应第二转动件332固定至后柱32上。
进一步，第二转动件332呈U型，第一转动件331转动连接在第一转动件331的两个支臂之间；定位凹槽设置在第二转动件332的两支臂连接处，定位凸起351设置在第一转动件331朝向第二转动件332的端面上。利用U型的第二转动件332，可以保证其与第一转动件331之间连接的稳定性，从而使得二者之间的转动相对可靠。定位凹槽位于第二转动件332的两个支臂之间，使得定位凹槽位于第二转动件332的内部，以避免在转动过程中受外界干扰影响定位。
立柱2与后柱32之间的转轴平行于前柱31与后柱32之间的转轴，二者均同时垂直于后梁12的中心轴线及立柱2的中心轴线。即后柱32前后两端处的转动轴向均为左右方向，与前轮、后轮的转动轴向相互平行，以方便使用者对支撑柱3施加作用力使支撑柱3折弯，在使用时，支撑柱3的前柱31与后柱32的连接处可以向下弯折或者向上弯折以实现支撑柱3的折叠或展开。此处，在其他实施方式中，后柱32前后两端处的转动轴向在相互平行时，可以平行于竖直面，支撑柱3可以朝向折叠车的左右方向进行弯折，以实现支撑柱 3的折叠或展开。
本实施例中，转动机构33上还设置有用于使支撑柱3仅能单向弯折的单向限位结构。利用单向限位结构，使得支撑柱3进行向一个方向进行弯折，且支撑柱3在进行展开时，能够有效定位在展开状态，避免展开时支撑柱3又向另一方向弯折而使得操作不便。
更具体地，如图3-5所示，第一转动件331包括基座331a与连接臂331b，连接臂331b固定于基座331a的中间位置，使得第一转动件331大致呈T型。连接臂331b转动连接在第二转动件332的两个支臂之间。基座331a与后柱32固定连接。此处，当第一转动件331与前柱31相连时，基座331a与前柱31固定连接。
如图5所示，基座331a上朝向第二转动件332的表面上设置有限位凸起331c，且所述限位凸起331c位于第二转动件332的下方处，利用限位凸起331c使得前柱31与后柱32处于同一轴线上后，前柱31不能再相对后柱32向下转动，即支撑柱3的中部连接处不能在向上进行弯折，限位凸起331c形成所述单向限位结构。在支撑柱3折叠状态下，前柱31相对后柱32向下转动，即支撑柱3的中部连接处向上移动以展开支撑柱3，第二转动件332的支臂顶端与限位凸起331c抵接后，便能使前柱31不能再相对后柱32向下转动。
在将折叠车架100展开时，将前柱31的插接柱341对准前梁11的插接槽342，向上抬起支撑柱3的中部连接处，即可使得插接柱341插入到插接槽342中，同时支撑柱3展开，通过限位凸起331c及定位机构的作用，将前柱31与后柱32定位在同一轴线上，即将支撑柱3定位在展开状态。
如图3、图4所示，立柱2上固定有连接件21，连接件21上设置有两个夹持件22，后柱32转动连接在两个夹持件22之间；折叠车架100还包括后轮支架4，后轮支架4包括两个横杆41，两个横杆41分别固定在立柱2的两侧，且均与连接件21固定连接。
通过连接件21，可以方便地将支撑柱3、立柱2及横杆41连接在一起，增强连接结构强度，保证整个车架的稳固性。
后轮可以安装在两个横杆41的后端之间。后轮支架4还可以包括两个斜杠42，两个斜杠42的后端分别与两个横杆41的后端固定连接，两个斜杠42 的前端可分别与立柱2的上端固定连接，以保证后轮支架4结构的稳固性。
在上述实施方式中，定位机构包括定位凸起351及定位凹槽，利用二者的撇和将前柱31与后柱32定位在同一轴线上，此处，在其他实施方式中，定位机构还可以是紧固把手，紧固把手连接于前柱31与后柱32的转轴上，转动紧固把手将转轴锁定，即可使得前柱31与后柱32不能再相对转动，以将支撑柱3定位在展开状态下。作为另一种实施方式，定位机构还可以为套筒，套筒套设在前柱31或后柱32上，且能够相对前柱31或后柱32相对滑动，当前柱31与后柱32位于同一轴线上后，可以将套筒滑动至前柱31与后柱32的连接处，利用套筒的作用力使得前柱31与后柱32不能再相对转动。能够将前柱31与后柱32定位在同一轴线上的定位机构有多种，此处不再一一列举。本实施例中的定位凸起351与定位凹槽的结构，最为简洁，便于加工制备，且操作方便快捷。
在上述实施方式中，限位凸起331c作为单向限位结构，其设置在第一转动件331上，结构简单便于加工制备。此处，在其他实施方式中，单向限位结构也可以是设置在第二转动件332的限位凸台或限位挡片等结构，限位凸台或限位挡片挡在第一转动件331的一侧处，以限定第一转动件331的角度，使得第一转动件331在转动一定角度后不能够再转动。
以上的实施方式，并不构成对该技术方案保护范围的限定。任何在上述实施方式的精神和原则之内所作的修改、等同替换和改进等，均应包含在该技术方案的保护范围之内。

Claims (13)

  1. 一种折叠车架，其特征在于，包括横梁、立柱及支撑柱；所述横梁包括前梁和后梁；所述前梁的后端底部与所述后梁的前端底部转动连接以使二者能够竖向折叠，且所述前梁的转动轴线与所述后梁的中心轴线之间的夹角为锐角；所述支撑柱包括前柱和后柱，所述前柱与所述前梁插接配合，所述前柱的后端与所述后柱的前端转动连接以使二者能够折叠，所述后柱与所述立柱转动连接；
    当所述折叠车架处于展开状态时，所述前梁的后端与所述后梁的前端抵接，所述前柱的前端插接于所述前梁、并支撑在所述前梁的下方，所述横梁、所述立柱及所述支撑柱呈三角形状；
    当所述折叠车架处于折叠状态时，所述前柱相对所述后柱转动至与所述前梁相分离的状态，所述前梁相对所述后梁转动至所述立柱的一侧处。
  2. 根据权利要求1所述的折叠车架，其特征在于，所述前梁与所述后梁通过折叠机构连接，所述折叠机构包括两个折页，两个所述折页转动连接，两个所述折页分别固定于所述前梁的后端面及所述后梁的前端面，在所述折叠车架折叠状态下，所述折页所在平面垂直于所述后梁的中心轴线；两所述折页之间的转轴与所述折页所在平面之间的夹角为锐角，两所述折页之间的转轴形成所述前梁与所述后梁之间的转轴。
  3. 根据权利要求1所述的折叠车架，其特征在于，所述前柱与所述前梁之间通过插接机构插接在一起，所述插接机构包括插接柱及插接槽，所述插接柱的顶端设有锥台状结构，所述锥台状结构直径较大的一端与所述插接柱固定连接，在所述锥台状结构与所述插接柱的连接处，所述锥台状结构的直径大于所述插接柱的直径；
    所述插接柱的底端与所述前柱的前端固定连接，所述插接槽设置于所述前梁上；或者，
    所述插接柱的底端与所述前梁固定连接，所述插接槽设置于所述前柱的前端上。
  4. 根据权利要求3所述的折叠车架，其特征在于，在所述插接槽设置于 所述前梁上的情况下，所述前梁上设置有定位柱，所述插接槽设置在所述定位柱上；当所述折叠车架处于展开状态时，所述定位柱、所述插接柱、及所述前柱位于同一轴线上。
  5. 根据权利要求1所述的折叠车架，其特征在于，所述前柱与所述后柱之间设置有能够将二者定位在同一轴线上的定位机构。
  6. 根据权利要求5所述的折叠车架，其特征在于，所述前柱与所述后柱之间通过转动机构转动连接，所述转动机构包括转动连接的第一转动件和第二转动件，所述定位机构包括相互配合的定位凸起及定位凹槽，所述定位凸起设置在所述第一转动件上，所述定位凹槽设置在所述第二转动件上；当所述折叠车架处于展开状态时，所述定位凸起定位于所述定位凹槽中，当所述折叠车架处于收起状态时，所述定位凸起移动至所述定位凹槽外；
    所述第一转动件固定于所述后柱上，相应所述第二转动件固定至所述前柱上；或者，
    所述第一转动件固定于所述前柱上，相应所述第二转动件固定至所述后柱上。
  7. 根据权利要求6所述的折叠车架，其特征在于，所述第二转动件呈U型，所述第一转动件转动连接在所述第一转动件的两个支臂之间；所述定位凹槽设置在所述第二转动件的两支臂连接处，所述定位凸起设置在所述第一转动件朝向所述第二转动件的端面上。
  8. 根据权利要求6所述的折叠车架，其特征在于，所述转动机构上还设置有用于使所述支撑柱仅能单向弯折的单向限位结构。
  9. 根据权利要求7所述的折叠车架，其特征在于，所述第一转动件包括基座与连接臂，所述连接臂固定于所述基座的中间位置，所述连接臂转动连接在所述第二转动件的两个支臂之间；所述基座与所述后柱或所述前柱固定连接；
    所述基座上朝向所述第二转动件的表面上设置有限位凸起，且所述限位凸起位于所述第二转动件的下方处，所述限位凸起形成所述单向限位结构。
  10. 根据权利要求1所述的折叠车架，其特征在于，所述立柱与所述后柱之间的转轴平行于所述前柱与所述后柱之间的转轴。
  11. 根据权利要求10所述的折叠车架，其特征在于，所述前柱与所述后柱之间的转轴同时垂直于所述后梁的中心轴线及所述立柱的中心轴线。
  12. 根据权利要求1所述的折叠车架，其特征在于，所述立柱上固定有连接件，所述连接件上设置有两个夹持件，所述后柱转动连接在两个夹持件之间；所述折叠车架还包括后轮支架，所述后轮支架包括两个横杆，两个所述横杆分别固定在所述立柱的两侧，且均与所述连接件固定连接。
  13. 一种折叠车，其特征在于，包括权利要求1-12任一项所述的折叠车架。
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