CN209795703U

CN209795703U - Folding mechanism for folding bicycle

Info

Publication number: CN209795703U
Application number: CN201920243538.3U
Authority: CN
Inventors: 余霞霞; 吴涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-02-26
Filing date: 2019-02-26
Publication date: 2019-12-17
Anticipated expiration: 2029-02-26

Abstract

The utility model belongs to the technical field of foldable electric scooter, refer in particular to a folding mechanism for foldable car, which comprises a vehicle rack, install rotation portion through rotating assembly on the frame, rotating assembly includes regulating switch and main shaft, and the main shaft is connected rotation portion and frame, regulating switch the inner is connected with the gag lever post of portable installation on frame and rotation portion through the connecting piece, is equipped with the piece that resets on the gag lever post, set up the first spacing groove that supplies the connecting piece to remove in frame or the rotation portion. The utility model discloses a pulling regulating switch, regulating switch pass through the connecting piece and drive the gag lever post and remove in rotation portion and frame inside, when removing when breaking away from the frame to the gag lever post, can rotate rotation portion and fold, play folding effect, adopt the mode of pulling to realize the unblock of rotation portion and frame, and the operation is very convenient, swift.

Description

Folding mechanism for folding bicycle

Technical Field

The utility model belongs to the technical field of folding car, refer in particular to a folding mechanism for folding car.

Background

The electric vehicle is a tool for riding instead of walk, but the electric vehicle is generally large in size and provided with a large and heavy battery, so that the electric vehicle is inconvenient to transport and carry. Therefore, under the development of a folding bicycle, the folding electric bicycle is gradually appeared, the folded electric bicycle can be properly reduced in size, the occupied space during transportation can be reduced, but the folding mechanism is complex, great effort is required to be consumed in the folding process, and the use is not convenient enough.

Disclosure of Invention

The utility model aims at solving the problem existing in the above background art, providing a simple structure, be convenient for fold, convenient and fast's a folding mechanism for folding car.

The purpose of the utility model is realized like this:

A folding mechanism for folding car, including the frame, install rotation portion through rotating assembly on the frame, rotating assembly includes regulating switch and main shaft, and the main shaft is connected rotation portion and frame, regulating switch the inner is connected with the gag lever post of portable installation on frame and rotation portion through the connecting piece, is equipped with the release element on the gag lever post, set up the first spacing groove that supplies the connecting piece to remove in frame or the rotation portion.

The frame is further provided with a rotating block, the frame is internally provided with a fixed block, the fixed block is fixedly provided with the main shaft, and the rotating block is rotatably arranged on the main shaft.

The rotating block is provided with a first limiting hole, the fixed block is provided with a second limiting hole, and the inner end of the limiting rod penetrates through the first limiting hole and is inserted into the second limiting hole.

Further, a limiting stop table is arranged in the first limiting hole, a limiting convex block is arranged on the limiting rod, and the reset piece is located between the limiting stop table and the limiting convex block.

The rotating block is further provided with a second limiting groove, and the inner end of the connecting piece penetrates through the first limiting groove and the second limiting groove to be connected to a limiting rod in the rotating block.

Further, the adjusting switch is in an Contraband shape and comprises a pulling part and a connecting part connected with the connecting part, and the pulling part is sleeved on the rotating part or the periphery of the frame.

Further, the connecting piece is a screw or a bolt, and a threaded hole is formed in the limiting rod.

Further, gaskets are arranged between the outer end of the main shaft and the rotating block and between the fixed block and the rotating block.

And a third limiting hole for the limiting rod to pass through is further formed in the gasket between the fixed block and the rotating block.

compared with the prior art, the utility model outstanding and profitable technological effect is:

The utility model discloses a pulling regulating switch, regulating switch pass through the connecting piece and drive the gag lever post and remove in rotation portion and frame inside, when removing when breaking away from the frame to the gag lever post, can rotate rotation portion and fold, play folding effect, adopt the mode of pulling to realize the unblock of rotation portion and frame, and the operation is very convenient, swift.

Drawings

Fig. 1 is a cross-sectional view of the present invention.

Fig. 2 is an exploded view of the structure of the present invention.

Fig. 3 is a structural diagram of the electric bicycle according to the present invention.

Fig. 4 is a cross-sectional view of the connection structure of the rotating portion, the handlebar stem and the wheel assembly according to the present invention.

Fig. 5 is a structural reference view of the handlebar folding assembly of the present invention.

Detailed Description

The invention will be further described in the following with reference to the drawings, in which reference is made to figures 1-5,

a folding mechanism for folding car, including frame 9, install rotation portion 1 through rotating assembly on the frame 9, rotating assembly includes regulating switch 2 and main shaft 3, and main shaft 3 is connected rotation portion 1 and frame 9, and regulating switch 2 the inner is connected with movable mounting through connecting piece 6 and is equipped with the part of reseing 5 (the preferred reset spring that resets) on gag lever post 4 on frame 9 and rotation portion 1, set up the first spacing groove 11 that supplies connecting piece 6 to remove on frame 9 or rotation portion 1. When the rotating assembly is located on the front side of the frame and used for folding the front wheel assembly, when the front wheel assembly needs to be folded, only the adjusting switch needs to be pulled, the limiting rod can move along with the adjusting switch due to the fact that the inner end of the adjusting switch is connected with the limiting rod through the connecting piece, and when the limiting rod moves to be separated from the frame, the rotating portion can rotate at the moment, and therefore the purpose of folding is achieved.

The rotating part 1 is internally provided with a rotating block 12, the frame 9 is internally provided with a fixed block 91, the fixed block 91 is fixedly provided with the spindle 3, and the rotating block 12 is rotatably arranged on the spindle 3. In this embodiment, the fixed block and the rotating block are respectively and fixedly connected to the frame and the rotating portion through screws or bolts, the main shaft is also fixedly mounted on the fixed block through screws or bolts, and the rotating block can rotate around the main shaft.

The rotating block 12 is provided with a first limiting hole 13, the fixing block 91 is provided with a second limiting hole 92, the first limiting hole 13 is a through hole which penetrates the whole rotating block from top to bottom, the second limiting hole 92 can be a through hole or a hole with a closed inner end, the inner end of the limiting rod 4 penetrates through the first limiting hole 13 and is inserted into the second limiting hole 92, when the folding mechanism is folded, the limiting rod moves in the first limiting hole and the second limiting hole under the driving of the regulating switch, when the limiting rod moves to be separated from the second limiting hole, the rotating part can be driven to rotate, after the rotation is completed, the limiting rod is driven by the reset piece to be inserted into the second limiting hole to complete the folding and fixing, therefore, the mechanism is provided with two limiting rods, two first limiting holes and two second limiting holes are correspondingly arranged and are symmetrically arranged at two sides of the main shaft, and when the rotating part rotates to 180 degrees, the limiting rod can be just inserted into the second limiting hole on the other side, so that the positioning after the folding is finished is facilitated.

The first limiting hole 13 is internally provided with a limiting stop 14, the limiting rod 4 is provided with a limiting convex block 41, and the resetting piece 5 is positioned between the limiting stop 14 and the limiting convex block 41. Meanwhile, the distance between the limiting stop 14 and the limiting projection 41 is the moving stroke of the limiting rod, and when the limiting rod moves to the position where the limiting stop 14 abuts against the limiting projection 41, which is the maximum stroke of the limiting rod, the limiting stop 14 and the limiting projection 41 are arranged to prevent the limiting rod from separating from the rotating block.

The rotating block 12 is provided with a second limiting groove 15, and the inner end of the connecting piece 6 penetrates through the first limiting groove 11 and the second limiting groove 15 to be connected to the limiting rod 4 positioned in the rotating block 12. The length of the first limit groove and the second limit groove can also be the moving stroke of the limit rod.

The adjusting switch 2 is in a shape of 'Contraband', and comprises a pulling part 21 and a connecting part 22 connected with the connecting piece 6, wherein the pulling part 21 is sleeved on the periphery of the rotating part 1 or the frame 9. Some soft covers of rubber etc. can be established to pulling portion periphery cover, and the person of being convenient for pulls regulating switch, increases the comfort level.

The connecting piece 6 is a screw or a bolt, and a threaded hole 42 is formed in the limiting rod 4. The outer end of the screw is connected with the adjusting switch, and the inner end of the screw is fixed on the limiting rod to complete connection of the adjusting switch and the limiting rod.

A gasket 10' is arranged between the outer end of the main shaft 3 and the rotating block 12, and the gasket 10 is arranged between the fixed block 91 and the rotating block 12. A third limiting hole 101 for the limiting rod 4 to pass through is formed in the gasket 10 between the fixed block 91 and the rotating block 12.

The rotating part 1 is provided with a connecting pipe 7, and the upper end and the lower end of the connecting pipe 7 are respectively provided with a wheel assembly 71 and a handlebar 72. The wheel assembly is a front wheel of a bicycle or an electric vehicle, the lower end of the connecting pipe 7 is connected with the front wheel, the upper end of the connecting pipe 7 is connected with the handlebar rod 72, meanwhile, the wheel is provided with a brake structure 73, the handlebar rod 72 is provided with a pair of handles 75, the handles 75 are provided with hand brake structures 74, and the hand brake structures 74 are connected with the brake structures 73 through control lines.

The handlebar stem 72 is provided with a folding assembly at one end close to the rotating part 1, the folding assembly comprises a wrench 81, an upper connecting seat 82 and a lower connecting seat 83, the upper connecting seat 82 and the handlebar stem 72 are integrally formed or separately arranged, the lower connecting seat 83 and the connecting pipe 7 are integrally formed or separately arranged, the upper connecting seat 82 is hinged with the lower connecting seat 83, the lower end of the wrench 81 is hinged on the lower connecting seat 83, and a positioning groove for clamping the wrench 81 is formed in the upper connecting seat 82. A pair of locking blocks 831 is formed on the lower connecting seat 83, the lower end of the wrench 81 is connected with the locking blocks through a rotating shaft 832, and meanwhile, the end parts of the locking blocks are connected with fastening pieces 833. When the handlebar is required to be folded, the upper end of the handlebar is separated from the upper connecting seat by pulling the wrench, and then the handlebar is folded.

The utility model discloses a folding mechanism both can be used to the foldable electric scooter and also can apply to in foldable bicycle or other relevant fields, through pulling regulating switch, make it drive the gag lever post and break away from the frame, then rotatory portion of rotating, when changeing to 180 degrees, the gag lever post is gone into in the frame once more under the drive of piece that resets, the completion is folding, moreover, the steam generator is simple in structure, the operation is convenient and labor-saving, the gag lever post can play firm effect with mutually supporting of frame, make the portion of rotating can be in a stable position after rotating folding always, additional strengthening rotates the stability after folding.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A folding mechanism for folding car, including frame (9), install rotation portion (1), its characterized in that through rotating assembly on frame (9): the rotating assembly comprises an adjusting switch (2) and a main shaft (3), the main shaft (3) is connected with a rotating part (1) and a frame (9), the inner end of the adjusting switch (2) is connected with a limiting rod (4) movably installed on the frame (9) and the rotating part (1) through a connecting piece (6), a reset piece (5) is arranged on the limiting rod (4), and a first limiting groove (11) for the connecting piece (6) to move is formed in the frame (9) or the rotating part (1).

2. The folding mechanism for a folding cart of claim 1, wherein: the rotating part (1) is internally provided with a rotating block (12), the frame (9) is internally provided with a fixed block (91), the fixed block (91) is fixedly provided with the spindle (3), and the rotating block (12) is rotatably arranged on the spindle (3).

3. The folding mechanism for a folding cart of claim 2, wherein: the rotating block (12) is provided with a first limiting hole (13), the fixing block (91) is provided with a second limiting hole (92), and the inner end of the limiting rod (4) penetrates through the first limiting hole (13) and is inserted into the second limiting hole (92).

4. A folding mechanism for a folding cart according to claim 3, characterized in that: the reset device is characterized in that a limiting stop table (14) is arranged in the first limiting hole (13), a limiting convex block (41) is arranged on the limiting rod (4), and the reset piece (5) is located between the limiting stop table (14) and the limiting convex block (41).

5. The folding mechanism for a folding cart of claim 2, wherein: the rotating block (12) is provided with a second limiting groove (15), and the inner end of the connecting piece (6) penetrates through the first limiting groove (11) and the second limiting groove (15) to be connected to a limiting rod (4) located in the rotating block (12).

6. The folding mechanism for a folding cart of claim 1, wherein: the adjusting switch (2) is in the shape of Contraband and comprises a pulling part (21) and a connecting part (22) connected with the connecting piece (6), and the pulling part (21) is sleeved on the periphery of the rotating part (1) or the frame (9).

7. A folding mechanism for a folding cart according to claim 1, 5 or 6, characterized in that: the connecting piece (6) is a screw or a bolt, and a threaded hole is formed in the limiting rod (4).

8. A folding mechanism for a folding cart according to claim 3, characterized in that: gaskets are arranged between the outer end of the main shaft (3) and the rotating block (12) and between the fixed block (91) and the rotating block (12).

9. the folding mechanism for a folding cart of claim 8, wherein: and a third limiting hole for the limiting rod (4) to pass through is formed in the gasket between the fixed block (91) and the rotating block (12).