Novel folding frame

Abstract

The utility model belongs to the technical field of bicycle accessories, and discloses a novel folding bicycle frame which comprises a bicycle frame body, a front fork, a rear fork, a transverse pipe and a folding mechanism, and the front fork and the rear fork are located on the front side and the rear side of the bicycle frame body respectively. The transverse pipes comprise the first transverse pipe connected with the front fork and the second transverse pipe connected with the frame body, the folding mechanism is connected between the first transverse pipe and the second transverse pipe, and the rear fork is fixedly installed on the frame body. Wheel shaft holes are formed in the tail ends of the front fork and the rear fork, a magnetic attraction locking block is arranged on the front fork, a magnetic attraction iron sheet is arranged on the rear fork, and when the frame is folded, the magnetic attraction locking block and the magnetic attraction iron sheet are attracted to lock the front fork and the rear fork into a whole. According to the folding bicycle frame, a folding bicycle can still be pushed after being folded, the labor-saving purpose is achieved, the simple operation and the reliable locking function are achieved through the characteristic of magnetic attraction, and the operation experience of a user is greatly simplified.

Description

Technical Field

[0001] The utility model relates to the field of bicycle accessories, and more particularly to a novel folding bicycle frame. Background Art

[0002] A bicycle, also known as a cycle or bicycle, is a small, two-wheeled land vehicle, typically powered by pedals. Based on the functional characteristics of each component, it can be broadly divided into the steering system, the drive system, and the braking system.

[0003] Folding bicycles are popular in the market for their lightness and easy storage. However, after electrification, the weight of the entire bicycle increases (the weight of the battery and motor is greater than the weight of the frame), making it time-consuming and laborious to move the entire bicycle in spaces where riding is not possible. To this end, we provide a new folding frame to solve the above problem. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a new folding bicycle frame.

[0005] In order to solve the background technical problems, the present invention adopts the following technical solutions:

[0006] A novel folding bicycle frame comprises a frame body, a front fork, a rear fork, a cross tube and a folding mechanism, wherein the front fork and the rear fork are respectively located at the front and rear sides of the frame body;

[0007] The cross tube includes a first cross tube connected to the front fork and a second cross tube connected to the frame body, the folding mechanism is connected between the first cross tube and the second cross tube, and the rear fork is fixedly mounted on the frame body;

[0008] Wheel axle holes are provided at the ends of the front fork and the rear fork, a magnetic locking block is provided on the front fork, and a magnetic iron sheet is provided on the rear fork. When the frame is folded, the magnetic locking block is attracted to the magnetic iron sheet to lock the front fork and the rear fork into one body and the wheel axle holes of the front fork and the rear fork are flush.

[0009] As a further description of the above technical solution: the folding mechanism includes a folding front section fixedly connected to the first cross tube, a folding rear section fixedly connected to the frame body and a locking device, the folding front section and the folding rear section are hinged, and the locking device is used to lock the folding front section and the folding rear section.

[0010] As a further description of the above technical solution: an oblique brace is provided on the frame body, one end of the oblique brace is connected to the frame body, and the other end is connected to the folding rear section.

[0011] As a further description of the above technical solution: the magnetic locking block is installed on the left outer side of the front fork, the inner side of the magnetic locking block is fixedly connected to a connecting rod, the connecting rod is inserted into the front fork, and the inner end of the front fork where the connecting rod is installed is provided with a limiting ring connected to the connecting rod, and a spring is provided on the connecting rod and located between the front fork and the magnetic locking block.

[0012] As a further description of the above technical solution: the magnetic iron sheet is installed on the outer side of the left part of the rear fork, and the magnetic iron sheet is provided with a convex arc wrapping portion near the rear fork.

[0013] As a further description of the above technical solution: the wheel axle holes on the front fork and the rear fork are all of standard size.

[0014] Compared with the prior art, the advantages of the present invention are:

[0015] The folding frame of this solution allows the folding bicycle to still be pushed after being folded, achieving the purpose of saving effort. It utilizes the characteristics of magnetic adsorption to achieve relatively simple operation and reliable locking function, greatly simplifying the user's operating experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic structural diagram of the folding frame of the utility model;

[0017] Figure 2 This is a schematic diagram of the folding frame of the utility model after folding;

[0018] Figure 3 This is a structural diagram of the folding mechanism of the utility model;

[0019] Figure 4 For this utility model Figure 2 Schematic diagram of the magnetic lock block structure;

[0020] Figure 5 This is a schematic structural diagram of the limit ring of the utility model;

[0021] Figure 6 It is a structural schematic diagram of the magnetic iron sheet of the utility model.

[0022] Description of the numbers in the figure:

[0023] 1. Frame body; 2. Front fork; 3. Rear fork; 4. Cross tube; 41. First cross tube; 42. Second cross tube; 5. Folding mechanism; 51. Folding front section; 52. Folding rear section; 53. Locking device; 6. Wheel axle hole; 7. Magnetic locking block; 71. Connecting rod; 72. Limiting ring; 73. Spring; 8. Magnetic iron sheet; 81. Arc wrapping part; 9. Diagonal brace. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0025] See also Figure 1-6 A new type of folding frame includes a frame body 1, a front fork 2, a rear fork 3, a cross tube 4 and a folding mechanism 5. The front fork 2 and the rear fork 3 are respectively located on the front and rear sides of the frame body 1. The cross tube 4 includes a first cross tube 41 connected to the front fork 2 and a second cross tube 42 connected to the frame body 1. The folding mechanism 5 is connected between the first cross tube 41 and the second cross tube 42. The rear fork 3 is fixedly mounted on the frame body 1. Wheel axle holes 6 are provided at the ends of the front fork 2 and the rear fork 3. The wheel axle holes 6 on the front fork 2 and the rear fork 3 are of standard size, so that ordinary wheels can be easily installed. A magnetic locking block 7 is provided on the front fork 2, and a magnetic iron sheet 8 is provided on the rear fork 3. When the frame is folded, the magnetic locking block 7 is attracted to the magnetic iron sheet 8, locking the front fork 2 and the rear fork 3 into one and making the wheel axle holes 6 of the front fork 2 and the rear fork 3 flush, thereby realizing the pushing of the entire vehicle and improving convenience.

[0026] When the bicycle needs to be folded, the folding mechanism 5 is unlocked, folding the front fork 2 and the rear fork 3 in half. The magnetic lock block 7 is then attracted to the magnetic iron sheet 8, locking the front fork 2 and the rear fork 3 together. Since the wheel axle holes 6 of the front fork 2 and the rear fork 3 are flush after folding, the front and rear wheels can be located in the same plane. Thus, when the bicycle is folded, both wheels can still contact the ground normally, allowing the folded frame to be pushed like a normal bicycle, saving effort. The advantages of magnetic attraction enable relatively simple operation and reliable locking, greatly simplifying the user's operating experience.

[0027] like Figure 3 As shown, the folding mechanism 5 includes a folding front section 51 fixedly connected to the first cross tube 41, a folding rear section 52 fixedly connected to the frame body 1, and a locking device 53. The folding front section 51 and the folding rear section 52 are hinged, and the locking device 53 is used to lock the folding front section 51 and the folding rear section 52 to facilitate folding and opening.

[0028] In addition, a diagonal brace 9 is provided on the frame body 1 , one end of the diagonal brace 9 is connected to the frame body 1 , and the other end is connected to the folding rear section 52 , so as to increase the stability of the entire frame.

[0029] like Figure 4 、 5As shown, the magnetic locking block 7 is installed on the left outer side of the front fork 2, and the inner side of the magnetic locking block 7 is fixedly connected to the connecting rod 71, which is inserted into the front fork 2, and the inner end of the front fork 2 where the connecting rod 71 is installed is provided with a limiting ring 72 connected to the connecting rod 71, and a spring 73 is sleeved on the connecting rod 71 and located between the front fork 2 and the magnetic locking block 7. Through the mutual adsorption of the magnetic locking block 7 and the magnetic iron sheet 8, combined with the additional pressure provided by the spring 73, the locking force of the front fork 2 and the rear fork 3 can be effectively enhanced to ensure that the frame is tightly combined after folding and will not loosen.

[0030] like Figure 6 As shown, the magnetic iron sheet 8 is installed on the outer side of the left part of the rear fork 3. The magnetic iron sheet 8 is provided with a convex arc wrapping portion 81 near the rear fork 3, which adapts to the shape of the magnetic locking block 7 structure, so that the magnetic locking block 7 can be reliably adsorbed in the magnetic iron sheet 8.

[0031] The above description is merely a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto. Any person skilled in the art who, within the technical scope disclosed in the present invention, makes equivalent substitutions or modifications based on the technical solutions and improved concepts of the present invention shall be covered by the scope of protection of the present invention.

Claims

1. A novel folding bicycle frame, comprising a bicycle frame body (1), a front fork (2), a rear fork (3), a cross tube (4) and a folding mechanism (5), characterized in that: The front fork (2) and the rear fork (3) are respectively located at the front and rear sides of the frame body (1); The cross tube (4) comprises a first cross tube (41) connected to the front fork (2) and a second cross tube (42) connected to the frame body (1); the folding mechanism (5) is connected between the first cross tube (41) and the second cross tube (42); and the rear fork (3) is fixedly mounted on the frame body (1); The ends of the front fork (2) and the rear fork (3) are both provided with a wheel axle hole (6), the front fork (2) is provided with a magnetic locking block (7), and the rear fork (3) is provided with a magnetic iron sheet (8). When the frame is folded, the magnetic locking block (7) is adsorbed on the magnetic iron sheet (8), and the front fork (2) and the rear fork (3) are locked into one body, and the wheel axle holes (6) of the front fork (2) and the rear fork (3) are flush.

2. A novel folding frame according to claim 1, characterized in that: The folding mechanism (5) comprises a folding front section (51) fixedly connected to the first transverse tube (41), a folding rear section (52) fixedly connected to the frame body (1), and a locking device (53); the folding front section (51) and the folding rear section (52) are hinged, and the locking device (53) is used to lock the folding front section (51) and the folding rear section (52).

3. A novel folding frame according to claim 2, characterized in that: The frame body (1) is provided with an oblique brace (9), one end of the oblique brace (9) is connected to the frame body (1), and the other end is connected to the folding rear section (52).

4. A novel folding frame according to claim 1, characterized in that: The magnetic locking block (7) is installed on the left outer side surface of the front fork (2), the inner side of the magnetic locking block (7) is fixedly connected to a connecting rod (71), the connecting rod (71) is inserted into the front fork (2), the inner end of the front fork (2) on which the connecting rod (71) is installed is provided with a limiting ring (72) connected to the connecting rod (71), and a spring (73) is sleeved on the connecting rod (71) and located between the front fork (2) and the magnetic locking block (7).

5. The novel folding frame according to claim 1, characterized in that: The magnetic iron sheet (8) is installed on the outer side of the left portion of the rear fork (3), and the magnetic iron sheet (8) is provided with an outwardly convex arc wrapping portion (81) near the rear fork (3).

6. A novel folding frame according to claim 1, characterized in that: The wheel axle holes (6) on the front fork (2) and the rear fork (3) are all of standard size.

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