Folding device

Abstract

The utility model discloses a folding device which comprises a first connecting part and a second connecting part, one side of the first connecting part is rotationally connected with one side of the second connecting part through a rotating shaft, the other side of the first connecting part is connected with the other side of the second connecting part through a locking assembly, a driving piece is arranged at one end of the rotating shaft, and the driving piece is connected with the rotating shaft. The eccentric shaft is driven by the driving piece to rotate, the eccentric shaft drives the connecting rod to move through the connecting ring, the connecting rod drives the locking block to be close to or away from the first protruding edge and the second protruding edge so as to achieve locking or loosening of the first protruding edge and the second protruding edge, and the device is simple in structure and convenient to operate; besides, the folding device is self-locked through the limiting pin, so that the stability of the folding device is improved, the folding device is not easy to release, and the safety of a rider is ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of bicycle accessories, in particular to a folding device. Background Art

[0002] An electric-assisted bicycle is a means of transportation that is obtained by adding an electric power kit to a traditional human-powered bicycle. The electric power kit often uses a lithium battery pack as the main power source of the electric-assisted bicycle. Therefore, the electric-assisted bicycle does not produce any emissions when in use and is a low-carbon means of transportation. In order to facilitate carrying and storage, the electric-assisted bicycle can also be folded, which is consistent with conventional human-powered bicycles. When folding, the upright pole can be rotated toward the pedal to achieve folding. To ensure that the folding function is achieved, a locking assembly is currently provided on the connection part of the general electric-assisted bicycle. When the locking assembly is opened, the upright pole can be rotated relative to the pedal; when the locking assembly is closed, the upright pole cannot be rotated, thereby remaining in a fixed position relative to the pedal, thereby achieving the folding or unfolding of the electric-assisted bicycle.

[0003] However, when the existing electric-assisted bicycle is folded for use, the locking assembly structure is relatively complex. In addition, the locking assembly structure is unstable. When encountering bumpy roads, the locking assembly is prone to disengagement, affecting the safety of the rider.

[0004] Therefore, in view of this, we propose a folding device. Utility Model Content

[0005] The main technical problem solved by the utility model is to provide a folding device, in which the eccentric shaft is driven to rotate by a driving member, the eccentric shaft drives the connecting rod to move through a connecting ring, and the connecting rod drives the locking block to approach or move away from the first convex ridge and the second convex ridge to achieve locking or loosening of the first convex ridge and the second convex ridge. The device has a simple structure and is easy to operate. In addition, the folding device is self-locked by a limit pin, which improves the stability of the folding device, makes it less likely to be disengaged, and ensures the safety of the rider.

[0006] In order to solve the above technical problems, a technical solution adopted by the utility model is: a folding device, the folding device comprising:

[0007] A first connecting part and a second connecting part, one side of the first connecting part and the second connecting part are rotatably connected by a rotating shaft, and the other side of the first connecting part and the second connecting part are connected by a locking assembly, and a driving member is provided at one end of the rotating shaft, and the driving member can drive the rotating shaft to rotate to drive the locking assembly to move closer to or away from the first connecting part and the second connecting part.

[0008] Preferably, the locking assembly includes a locking block, a connecting rod, a connecting ring and a limiting column, the locking block is provided with a locking groove, a connecting column is provided on one side of the connecting ring, one end of the connecting rod is arranged in the locking groove, the other end of the connecting rod is connected to the connecting column, and one end of the limiting column is arranged in the connecting ring on one side close to the connecting column.

[0009] Preferably, an eccentric shaft is arranged in the rotating shaft, a connecting collar is arranged on the outer periphery of the eccentric shaft, and the other end of the limiting column is in contact with the eccentric shaft.

[0010] Preferably, a first ridge is disposed on one side of the first connection portion, and a second ridge is disposed on one side of the second connection portion, and the first ridge and the second ridge can be placed in the locking groove.

[0011] Preferably, a mounting groove is provided on one side of the first connecting portion, and an elastic member and a limiting pin are provided in the mounting groove;

[0012] A mounting hole is arranged on one side of the driving member, a limiting step is arranged in the mounting hole, a driving pin is installed in the mounting hole, a limiting disk is arranged at one end of the driving pin, and the other end of the driving pin is connected with the driving disk after passing through the mounting hole.

[0013] Preferably, a limiting protrusion for limiting the movement of the driving member is provided on one side of the first connecting portion.

[0014] The beneficial effects of the utility model are as follows:

[0015] 1. The eccentric shaft is driven to rotate by the driving member, and the eccentric shaft drives the connecting rod to move through the connecting ring. The connecting rod drives the locking block to approach or move away from the first convex ridge and the second convex ridge to achieve locking or loosening of the first convex ridge and the second convex ridge. The device has a simple structure and is easy to operate.

[0016] 2. The folding device is self-locked by a limit pin, which improves the stability of the folding device and makes it less likely to be disengaged, thereby ensuring the safety of the rider. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of the utility model Figure 1 ;

[0018] Figure 2 It is a schematic diagram of the locking assembly structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the rotating shaft structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the overall structure of the utility model Figure 2 ;

[0021] Figure 5It is a schematic diagram of the overall structure of the utility model in a sectional view;

[0022] Figure 6 yes Figure 5 A cross-sectional schematic diagram of

[0023] Figure 7 yes Figure 6 A partial enlarged schematic diagram of .

[0024] The parts in the accompanying drawings are marked as follows:

[0025] 100, first connecting portion; 101, first convex edge; 102, mounting groove; 103, elastic member; 104, limiting pin; 105, limiting protrusion;

[0026] 200, second connecting portion; 201, second convex ridge;

[0027] 300, rotating shaft; 301, eccentric shaft;

[0028] 400, locking assembly; 401, locking block; 4011, locking groove; 402, connecting rod; 403, connecting ring; 4031, connecting column; 404, limiting column;

[0029] 500, driving member; 501, mounting hole; 5011, limiting step;

[0030] 600, driving pin; 601, limiting plate; 602, driving plate. DETAILED DESCRIPTION

[0031] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0032] Example: Refer to Figure 1-Figure 7 As shown, a folding device, the folding device comprises:

[0033] A first connecting part 100 and a second connecting part 200, one side of the first connecting part 100 and the second connecting part 200 are rotatably connected via a rotating shaft 300, and the other side of the first connecting part 100 and the second connecting part 200 are connected via a locking assembly 400, and a driving member 500 is provided at one end of the rotating shaft 300, and the driving member 500 can drive the rotating shaft 300 to rotate so as to drive the locking assembly 400 to move closer to or away from the first connecting part 100 and the second connecting part 200.

[0034] The locking assembly 400 includes a locking block 401, a connecting rod 402, a connecting ring 403 and a limiting column 404, the locking block 401 is provided with a locking groove 4011, a connecting column 4031 is provided on one side of the connecting ring 403, one end of the connecting rod 402 is arranged in the locking groove 4011, the other end of the connecting rod 402 is connected to the connecting column 4031, and one end of the limiting column 404 is arranged in the connecting ring 403 on one side close to the connecting column 4031.

[0035] An eccentric shaft 301 is disposed in the rotating shaft 300 , a connecting ring 403 is sleeved on the outer circumference of the eccentric shaft 301 , and the other end of the limiting column 404 is in contact with the eccentric shaft 301 .

[0036] The connecting ring 403 is composed of circles of two diameters. The diameter of the first circle is equal to the diameter of the rotating shaft 300, and the diameter of the second circle is equal to the diameter of the eccentric shaft 301. The rotating shaft 300 is assembled through the first circle to achieve that the connecting ring 403 is sleeved on the outer periphery of the eccentric shaft 301.

[0037] A first ridge 101 is disposed on one side of the first connection portion 100 , and a second ridge 201 is disposed on one side of the second connection portion 200 . The first ridge 101 and the second ridge 201 can be placed in the locking groove 4011 .

[0038] The eccentric shaft 301 is driven to rotate by the driving member 500. After the eccentric shaft 301 rotates, it drives the connecting ring 403 to move left and right. The connecting ring 403 drives the connecting rod 402 to move left and right. The connecting rod 402 drives the locking block 401 to move closer to or away from the first convex ridge 101 and the second convex ridge 201 to achieve locking or loosening of the first convex ridge 101 and the second convex ridge 201. The device has a simple structure and is easy to operate.

[0039] Furthermore, a mounting groove 102 is provided on one side of the first connecting portion 100 , and an elastic member 103 and a limiting pin 104 are provided in the mounting groove 102 . A limiting platform is provided in the mounting groove 102 to prevent the elastic member 103 from popping the limiting pin 104 out of the mounting groove 102 .

[0040] A mounting hole 501 is provided on one side of the driving member 500, a limiting step 5011 is provided in the mounting hole 501, a driving pin 600 is installed in the mounting hole 501, a limiting disk 601 is provided at one end of the driving pin 600, and the other end of the driving pin 600 passes through the mounting hole 501 and is connected to the driving disk 602.

[0041] A limiting protrusion 105 for limiting the movement of the driving member 500 is disposed on one side of the first connecting portion 100 .

[0042] Press the driving disk 602, and the driving disk 602 drives the limiting disk 601 through the driving pin 600. After the driving disk 602 contacts one side of the driving member 500, at this time, the limiting disk 601 and the other side of the driving member 500 are in the same plane. At this time, the limiting disk 601 presses the limiting pin 104, and the limiting pin 104 presses the elastic member 103. At this time, the elastic member 103 is in a compressed state, and then the locking block 401 is driven away from the first ridge 101 and the second ridge 201 by the driving member 500, so as to loosen the first ridge 101 and the second ridge 201, and the first connecting part 100 and the second connecting part 200 can be folded.

[0043] After the first connection part 100 and the second connection part 200 are connected, the locking block 401 is driven by the driving member 500 to approach the first ridge 101 and the second ridge 201. After the driving member 500 contacts the limiting protrusion 105, the first ridge 101 and the second ridge 201 are locked, and the first connection part 100 and the second connection part 200 can be connected. At this time, the limiting pin 104 is aligned with the mounting hole 501, and the elastic member 103 is reset to push a part of the limiting pin 104 into the mounting hole 501, so as to realize the locking of the first connection part 100 and the second connection part 200 after the connection.

[0044] In the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships recorded in the embodiments and shown in the accompanying drawings, or are the directions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present utility model.

[0045] The above are only embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structural transformations made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A folding device, characterized in that: The folding device comprises: A first connection part and a second connection part, wherein one side of the first connection part and the second connection part are rotatably connected via a rotating shaft, and the other side of the first connection part and the second connection part are connected via a locking assembly, and a driving member is provided at one end of the rotating shaft, and the driving member can drive the rotating shaft to rotate so as to drive the locking assembly to approach or move away from the first connection part and the second connection part; The locking assembly comprises a locking block, a connecting rod, a connecting ring and a limiting column, wherein the locking block is provided with a locking groove, a connecting column is provided on one side of the connecting ring, one end of the connecting rod is provided in the locking groove, the other end of the connecting rod is connected to the connecting column, and one end of the limiting column is provided in the connecting ring on one side close to the connecting column; An eccentric shaft is arranged inside the rotating shaft, a connecting collar is arranged on the outer periphery of the eccentric shaft, and the other end of the limiting column is in contact with the eccentric shaft.

2. A folding device according to claim 1, characterized in that: A first convex ridge is disposed on one side of the first connection portion, and a second convex ridge is disposed on one side of the second connection portion. The first convex ridge and the second convex ridge can be placed in the locking groove.

3. A folding device according to claim 1, characterized in that: A mounting groove is provided on one side of the first connecting portion, and an elastic member and a limiting pin are provided in the mounting groove; A mounting hole is arranged on one side of the driving member, a limiting step is arranged in the mounting hole, a driving pin is installed in the mounting hole, a limiting disk is arranged at one end of the driving pin, and the other end of the driving pin is connected with the driving disk after passing through the mounting hole.

4. A folding device according to claim 1, characterized in that: A limiting protrusion for limiting the movement of the driving member is arranged on one side of the first connecting portion.

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