Bicycle frame convenient to connect

Abstract

The utility model discloses a bicycle frame convenient to connect. The bicycle frame convenient to connect is characterized by comprising a first frame body connected with a large bicycle, a second foldable frame body connected with a small bicycle and a connecting rod connecting the first frame body and the second frame body. A first bicycle frame is connected with a rear wheel axle of a large bicycle, one end of a second bicycle frame is connected with the first bicycle frame through a connecting rod and connected with a hanging rod through the other end of an O-shaped frame on the second bicycle frame, an upper hoop is installed on the bicycle frames, and a special-shaped fixing piece on the O-shaped frame is connected with a front wheel axle of a small bicycle. The other end of the hanging rod is connected with the hoop, so that the front wheel of the small bicycle can be suspended, the large bicycle and the small bicycle can be ridden in a connected mode, the direction is controlled by the large bicycle in the riding process, the safety performance during personal movement is improved, installation is easy, and meanwhile when the model or size of the small bicycle changes, the small bicycle can be conveniently detached. The connecting distance between the hanging rod and a hoop installed on the small bicycle can be adjusted, and the application range is widened.

Description

TECHNICAL FIELD

[0001] The utility model relates to a bicycle technical field, concretely is a bicycle frame convenient for connection. BACKGROUND

[0002] With the popularity of leisure ways such as parent-child riding, lovers riding, more and more users hope to connect large bicycles and small bicycles together for riding, so as to take care of children or enhance interaction, however, the existing bicycle connecting device is not stable when connecting, which causes safety hazards when riding, and the installation and dismounting process is complicated, only specific models or sizes of bicycles can be connected, the application range is limited, and when separating after connection, the connecting device is inconvenient to carry, therefore, the use experience is affected, and the utility model provides a bicycle frame convenient for connection. SUMMARY

[0003] The utility model mainly aims at providing can effectively solve the problem in the background art.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the technical scheme of a bicycle frame convenient for connection, characterized by comprising a frame one connected with a large bicycle, a foldable frame two connected with a small bicycle and a connecting rod connecting the frame one and the frame two, the frame two comprises an O-shaped frame with one end connected with the frame one and the other end connected with the small bicycle, a U-shaped frame three with one end connected with the frame one and the other end rotationally connected with the O-shaped frame, a clamp installed on the small bicycle and a hanging rod with one end connected with the O-shaped frame and the other end connected with the clamp for suspending the front wheel of the small bicycle, the U-shaped frame three is separated from the connecting rod and can be turned over to the frame one and hung on the large bicycle after being folded with the O-shaped frame.

[0005] Preferably, the frame one comprises a U-shaped frame one connected with the rear wheel shaft of the large bicycle, a U-shaped frame two connected with one end of the U-shaped frame one and a supporting rod for supporting the U-shaped frame one and the U-shaped frame two.

[0006] Preferably, one end of the U-shaped frame one, the U-shaped frame two, the U-shaped frame three and the O-shaped frame is provided with a connecting piece, and the other end of the U-shaped frame one is provided with a round hole matched with the rear wheel shaft of the large bicycle.

[0007] Preferably, the O-shaped frame is provided with a special-shaped fixing piece connected with the U-shaped frame three and also connected with the front wheel shaft of the small bicycle.

[0008] Preferably, the special-shaped fixing piece is also provided with a round hole connected with the U-shaped frame three and a U-shaped groove matched with the front wheel shaft of the small bicycle.

[0009] Preferably, the other end of the O-shaped frame is provided with a round pipe connected with the connecting rod and broken in the middle.

[0010] Preferably, the connecting rod is also provided with a round hole connected with the round pipe on the O-shaped frame, and the round pipe is connected with the connecting rod through a screw rod.

[0011] Preferably, the hoop comprises a clamp mounted on the small bicycle frame, a rubber pad arranged on the inner side of the clamp for protecting the frame, a groove arranged on the clamp for adapting with the hanging rod, and a bolt for clamping the clamp.

[0012] Preferably, the hanging rod is provided with a threaded end connected with the connecting piece at one end of the O-shaped frame, and a plurality of hooks adapted with the groove at the other end.

[0013] The utility model has the following beneficial effects: the frame one is connected with the rear wheel axle of the large bicycle, one end of the frame two is connected with the frame one through the connecting rod, and the other end of the O-shaped frame on the frame two is connected with the hanging rod, the front wheel of the small bicycle is placed in the O-shaped frame, the hoop is installed on the bicycle frame, the special-shaped fixing piece on the O-shaped frame is connected with the front wheel axle of the small bicycle, and the other end of the hanging rod is connected with the hoop, so that the front wheel of the small bicycle can be suspended, the connection of the large bicycle and the small bicycle is realized, the direction during riding is controlled by the large bicycle, the safety performance during the self activity is increased, the installation is simple, the connection distance between the hoop installed on the small bicycle and the hanging rod can be adjusted when the model or size of the small bicycle changes, the application range is increased, when the bicycle needs to be ridden alone, the hanging rod can be removed from the hoop, the U-shaped frame three is separated from the connecting rod, the frame two is pulled, the U-shaped frame three and the O-shaped frame are folded, the frame two is turned on the frame one through the connection with the connecting rod, the connecting buckle is added on the U-shaped frame three, the other end of the connecting buckle can fix the frame two on the large bicycle, the separation of the bicycle is completed, and the frame one and the frame two after separation and the connecting rod can be fixed on the large bicycle, so that the riding of the separated bicycle is not affected. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the overall structure schematic view of the utility model;

[0015] Figure 2 It is the folding schematic view of the utility model;

[0016] Figure 3 It is the frame one structure schematic view of the utility model;

[0017] Figure 4 It is the frame two structure schematic view of the utility model;

[0018] Figure 5 It is the hoop and hanging rod connection schematic view of the utility model.

[0019] Legend: 1. Frame 1; 11. U-shaped frame 1; 12. U-shaped frame 2; 13. Support rod; 14. Connecting piece; 15. Round hole; 2. Frame 2; 21. O-ring; 211. Round tube; 22. U-shaped frame 3; 23. Clamp; 231. Clip; 232. Rubber pad; 233. Groove; 234. Bolt; 24. Hanging rod; 241. Hook; 25. Irregularly shaped fixing piece; 251. U-shaped groove; 3. Connecting rod. Detailed Implementation

[0020] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0021] like Figures 1-5 As shown, a bicycle frame that is easy to connect is characterized by: including a frame 1 for connecting to a large bicycle, a foldable frame 2 for connecting to a small bicycle, and a connecting rod 3 connecting the frame 1 and the frame 2. The frame 2 includes an O-frame 21 with one end connected to the frame 1 and the other end connected to the small bicycle, a U-frame 3 22 with one end connected to the frame 1 and the other end rotatably connected to the O-frame 21, a clamp 23 mounted on the small bicycle, and a clamp 23 with one end connected to the O-frame 21 and the other end connected to the clamp 23. 3. A hanging rod 24 is connected to suspend the front wheel of the small bicycle. The U-shaped frame 22 is separated from the connecting rod 3 and folded with the O-shaped frame 21, allowing the second frame 2 to be flipped onto the first frame 1 and hung on the large bicycle. The first frame 1 is connected to the rear wheel axle of the large bicycle. One end of the second frame 2 is connected to the first frame 1 via the connecting rod 3, and the other end is connected to the hanging rod 24 via the O-shaped frame 21 on the second frame 2. The front wheel of the small bicycle is placed inside the O-shaped frame 21. A clamp 23 is installed on the bicycle frame. The irregularly shaped fixing piece 25 is connected to the front wheel axle of the small bicycle, and then connected to the clamp 23 through the other end of the hanging rod 24, which can suspend the front wheel of the small bicycle, realizing the connection between the large bicycle and the small bicycle for riding. The direction during riding is controlled by the large bicycle, which increases the safety performance when the rider is active. It is also easy to install. At the same time, if the model or size of the small bicycle changes, the connection distance between the hanging rod 24 and the clamp 23 installed on the small bicycle can be adjusted through the hanging rod 24, increasing the applicability. When the bicycle needs to be ridden alone, the hanging rod 24 can be removed from the clamp 23, and the U-shaped frame 22 can be separated from the connecting rod 3. Pull the frame 2, so that the U-shaped frame 22 and the O-shaped frame 21 can be folded. The O-shaped frame 21 is connected to the connecting rod 3, and the frame 22 can be flipped onto the frame 1. A connecting buckle is added to the U-shaped frame 22, and the other end of the connecting buckle can fix the frame 22 to the large bicycle, thus completing the separation of the bicycle. Moreover, the separated frame 1, frame 2, and connecting rod 3 can be fixed to the large bicycle without affecting the riding of the separated bicycle.

[0022] In one embodiment, when the large bicycle is connected with the small bicycle for riding, the U-shaped frame 11 on the frame 1 is arranged on both sides of the rear wheel shaft of the large bicycle, and is connected with the rear wheel shaft of the large bicycle through the round hole 15 on the U-shaped frame 11, the connecting plate 14 on the frame 1 is installed with the connecting rod 3, the O-shaped frame 21 is connected with the connecting rod 3, the U-shaped frame 22 is connected with the U-shaped frame 11, the special-shaped fixing plate 25 on the O-shaped frame 21 is connected with the U-shaped frame 22, the U-shaped groove 251 on the special-shaped fixing plate 25 is connected with the front wheel shaft of the small bicycle, the hoop 23 is installed on the frame of the small bicycle, one end of the hanging rod 24 is connected with the hoop 23, and the other end of the hanging rod 24 is connected with the connecting plate 14 on the O-shaped frame 21, and the front wheel of the small bicycle is suspended, that is, the connection of the two bicycles is completed.

[0023] In one embodiment, when the large bicycle is connected with the small bicycle for riding, the U-shaped frame 11 on the frame 1 is arranged on both sides of the rear wheel shaft of the large bicycle, and is connected with the rear wheel shaft of the large bicycle through the round hole 15 on the U-shaped frame 11, the connecting plate 14 on the frame 1 is installed with the connecting rod 3, the O-shaped frame 21 is connected with the connecting rod 3, the U-shaped frame 22 is connected with the U-shaped frame 11, the special-shaped fixing plate 25 on the O-shaped frame 21 is connected with the U-shaped frame 22, the U-shaped groove 251 on the special-shaped fixing plate 25 is connected with the front wheel shaft of the small bicycle, the hoop 23 is installed on the frame of the small bicycle, one end of the hanging rod 24 is connected with the hoop 23, and the other end of the hanging rod 24 is connected with the connecting plate 14 on the O-shaped frame 21, and the front wheel of the small bicycle is suspended, that is, the connection of the two bicycles is completed.

[0024] In one embodiment, when the large bicycle is connected with the small bicycle for riding, the U-shaped frame 11 on the frame 1 is arranged on both sides of the rear wheel shaft of the large bicycle, and is connected with the rear wheel shaft of the large bicycle through the round hole 15 on the U-shaped frame 11, the connecting plate 14 on the frame 1 is installed with the connecting rod 3, the O-shaped frame 21 is connected with the connecting rod 3, the U-shaped frame 22 is connected with the U-shaped frame 11, the special-shaped fixing plate 25 on the O-shaped frame 21 is connected with the U-shaped frame 22, the U-shaped groove 251 on the special-shaped fixing plate 25 is connected with the front wheel shaft of the small bicycle, the hoop 23 is installed on the frame of the small bicycle, one end of the hanging rod 24 is connected with the hoop 23, and the other end of the hanging rod 24 is connected with the connecting plate 14 on the O-shaped frame 21, and the front wheel of the small bicycle is suspended, that is, the connection of the two bicycles is completed.

[0025] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A self-assembly bicycle frame, characterized in that: The utility model relates to a double bicycle frame, which comprises a first frame (1) connected with a large bicycle, a second frame (2) connected with a small bicycle and a connecting rod (3) connecting the first frame (1) and the second frame (2), wherein the second frame (2) comprises an O-shaped frame (21) having one end connected with the first frame (1) and the other end connected with the small bicycle, a U-shaped frame (22) having one end connected with the first frame (1) and the other end rotatably connected with the O-shaped frame (21), a clamp (23) mounted on the small bicycle and a hanging rod (24) having one end connected with the O-shaped frame (21) and the other end connected with the clamp (23) for suspending the front wheel of the small bicycle, and the U-shaped frame (22) is separated from the connecting rod (3) and can be folded with the O-shaped frame (21) to be hung on the large bicycle on the first frame (1) after being folded.

2. A bicycle frame for ease of mounting according to claim 1, characterized in that: The first frame (1) comprises a U-shaped frame (11) connected with the rear wheel shaft of the large bicycle, a U-shaped frame (12) connected with one end of the U-shaped frame (11) and a supporting rod (13) for supporting the U-shaped frame (11) and the U-shaped frame (12).

3. A bicycle frame for facilitating the engagement of a wheel with the frame as claimed in claim 2, wherein: One end of the U-shaped frame (11), the U-shaped frame (12), the U-shaped frame (22) and the O-shaped frame (21) is provided with a connecting piece (14), and the other end of the U-shaped frame (11) is provided with a round hole (15) matched with the rear wheel shaft of the large bicycle.

4. A bicycle frame for facilitating the engagement of a bicycle rack according to claim 1, characterized in that: The O-shaped frame (21) is provided with a special-shaped fixing piece (25) connected with the U-shaped frame (22) and also connected with the front wheel shaft of the small bicycle.

5. A bicycle frame for facilitating the engagement of a wheel with the frame as claimed in claim 4, wherein: The special-shaped fixing piece (25) is also provided with a round hole (15) connected with the U-shaped frame (22) and a U-shaped groove (251) matched with the front wheel shaft of the small bicycle.

6. A bicycle frame for facilitating the engagement of a wheel with the frame as claimed in claim 4, wherein: The other end of the O-shaped frame (21) is provided with a round tube (211) connected with the connecting rod (3) and broken in the middle.

7. A bicycle frame for facilitating the engagement of a bicycle rack according to claim 1, characterized in that: The connecting rod (3) is also provided with a round hole (15) connected with the round tube (211) on the O-shaped frame (21), and the round tube (211) is connected with the connecting rod (3) through a screw rod.

8. A bicycle frame for facilitating the engagement of a bicycle rack according to claim 1, characterized in that: The clamp (23) comprises a clamp (231) mounted on the frame of the small bicycle, a rubber gasket (232) arranged on the inner side of the clamp (231) for protecting the frame, a groove (233) arranged on the clamp (231) for matching with the hanging rod (24) and a bolt (234) for clamping the clamp (231).

9. A bicycle frame for facilitating the engagement of a bicycle rack according to claim 1, characterized in that: One end of the hanging rod (24) is provided with a thread connected with the connecting piece (14) at one end of the O-shaped frame (21), and the other end is provided with a plurality of hooks (241) matched with the groove (233).

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