JP3201498U - Foldable bike with low stride height - Google Patents

Abstract

A folding bicycle with a low stride height suitable for female users is provided. A foldable bicycle includes a low frame front pipe, a low step board, and a frame rear pipe. The low frame front pipe 11 includes a thick pipe 111 and a thin ring 112. A rotating pipe 110 is provided at the forefront of the thick pipe 111, and the tip of the thin ring 112 is covered with the rotating pipe 110. The upper end of the rotating pipe 110 is connected to the handle 113, and the lower end of the rotating pipe 110 is connected to the front wheel 114. The low step board 12 is configured by horizontally extending the end of the thick pipe 111 and the end of the thin ring 112. A folding device 120 is provided at the end of the low step board 12, and the folding device 120 includes two folding plates and a rotation shaft that can be folded and opened with respect to each other. [Selection] Figure 1

Description

  The present invention relates to a foldable bicycle technology, and more particularly, a frame designed to have a low stride height, more suitable for the operation and use of a female user, and the folding process is easier, quicker and less labor-intensive. The present invention relates to a foldable bicycle frame having a low stride height.

  In recent years, with the growing awareness of environmental protection, the concept of energy saving and low carbon has gradually become established in daily life, and modern people place importance on leisure activities and health. More and more people are using it as a leisure tool. Bicycles are not only replaced by other means of transportation, but they do not generate exhaust gas and affect the environment or be destroyed like ordinary means of transportation. In addition, the purpose of exercise and health promotion can be achieved by riding a bicycle. Therefore, an increasing number of people purchase bicycles and electric bicycles as transportation means, and use them as leisure and fitness tools.

  Bicycles have a large volume, so if you want to carry them when you go out, you need to load them on the back or ceiling of the car. However, it takes time to load, and it may damage the metal surface of the car. In addition, when loading a bicycle on the back or ceiling of a car, if it is not firmly fixed, it may easily rattle or fall while moving, preventing smooth driving and even developing a traffic accident. .

  There are a variety of folding bicycle frames on the market to make it easier to store and carry your bicycle, but the main requirement is to reduce the volume of the bicycle by folding it so that it can be easily carried and used when you go out. That's it. However, ordinary bicycles are complicated and time-consuming to fold, and there are few folding bicycles designed for female users. Therefore, when a female user rides on a folding bicycle, it is difficult to fold and requires time and labor, and the effect of quick and easy folding cannot be achieved.

  Therefore, it has a frame with a low stride height designed to be more suitable for female users, and incorporates the concept of a gravitational field and realizes slide folding by moving the center of gravity, so it requires less labor and quickly Since the front and rear wheels can be slid and moved as they are after folding and folding, it is not necessary to lift the whole wheel. Disclose actively.

  The present invention is equipped with a frame with a low stride height designed to be more suitable for female users, and both wheels can be in close contact with the ground horizontally during the folding process, using the weight and center of gravity movement of the frame itself Thus, an object of the present invention is to provide a foldable bicycle that can be folded quickly and effortlessly and that is easier to operate and has a low stride height.

  In addition, the present invention automatically expands the frame by converting the potential energy into power after folding, so it can be quickly deployed, and it can be folded with low stride height for improved convenience during use. The purpose is to provide a bicycle.

  To achieve the above object, the present invention provides a foldable bicycle having a low stride height including a low frame front pipe, a low step board, and a frame rear pipe. The low frame front pipe has a thick pipe and a thin ring. A rotating pipe is provided at the forefront of the thick pipe, the tip of the thin ring is covered with the rotating pipe, and the upper end of the rotating pipe is connected to the handle. The lower end of is connected to the front wheel. The low step board is configured by horizontally extending the end of the thick pipe and the end of the thin ring, and a folding device is provided at the end, and the folding device includes a rotation shaft. The frame rear pipe has a fixed rear pipe and a rear wheel frame. The fixed rear pipe has a lower end connected to the folding device, a saddle is provided at the upper end, a rear wheel is attached to the rear wheel frame, and the folding device rotates. The shaft allows the rear frame pipe to be folded against the low step board, and the rotating pipe rotates the folded rear frame pipe and low step board toward the low frame front pipe to the side of the low frame front pipe. Position.

  In a preferred embodiment, the low step board is constructed by extending the end of the thick pipe and the end of the thin ring horizontally, and the end of the thin ring is located above the end of the thick pipe. A reinforcing rib is further provided in the center of the fine ring. A gear chain unit and a pedal unit are provided on the side of the fixed rear pipe. The folding device includes two folding plates that can be folded and released from each other, and the rotation shaft is provided on one folding plate.

  Compared to the prior art, the foldable bicycle with a low stride height in the present invention makes the entire structure more suitable for use by female users, mainly by the frame design with a low stride height. Further, since both wheels can be maintained on the ground during the folding process, further labor is not required, and folding and positioning can be performed more effortlessly by sliding both wheels in the folding process. Further, after folding, both wheels can be pushed and moved as they are by the handle, making it easier to move to any position. In addition, the folded frame is automatically unfolded by converting potential energy into power.

FIG. 1 is an overall side view of a preferred embodiment of a foldable bicycle having a low stride height according to the present invention. FIG. 2 is a perspective view of a frame structure of a preferred embodiment of a foldable bicycle having a low stride height according to the present invention. FIG. 3 is a reference diagram of a used state after folding in a preferred embodiment of a foldable bicycle having a low straddle height according to the present invention.

  Hereinafter, embodiments of the present invention will be described by specific specific examples. However, those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in the present specification. .

  Next, embodiments of the present invention will be described with reference to the drawings. However, the following drawings are simplified drawings and schematically illustrate the basic idea of the present invention. The drawings show only the structure related to the present invention, and are not drawn based on the number, shape, and size of members when actually implemented. In actual implementation, it should be noted that the form, number, and ratio of each member are not limited to those shown in the drawings, but need to be changed based on the actual design.

  1 and 2 are an overall side view of a preferred embodiment of a foldable bicycle having a low stride height according to the present invention and a perspective view of a frame structure. As shown in the figure, a foldable bicycle 1 having a low stride height in the present invention is an urban folding bicycle designed especially for women, and includes a frame having a low stride height suitable for female users. The foldable bicycle 1 having a low stride height in the present invention includes a low frame front pipe 11, a low step board 12, and a frame rear pipe 13.

  The low frame front pipe 11 includes a thick pipe 111 and a thin ring 112. A rotating pipe 110 is provided at the forefront of the thick pipe 111, and the tip of the thin ring 112 is covered with the rotating pipe 110. The upper end of the rotating pipe 110 is connected to the handle 113, and the lower end of the rotating pipe 110 is connected to the front wheel 114.

  The low step board 12 is configured by horizontally extending the end of the thick pipe 111 and the end of the thin ring 112. A folding device 120 is provided at the end of the low step board 12, and the folding device 120 includes two folding plates and a rotation shaft that can be folded and opened with respect to each other.

  The frame rear pipe 13 includes a fixed rear pipe 131 and a rear wheel frame 132. The fixed rear pipe 131 has a lower end connected to the folding device 120 and a saddle 133 at the upper end. A rear wheel 134 is attached to the rear wheel frame 132, and a gear chain unit 1311 and a pedal unit 1312 are provided on the side of the fixed rear pipe 131. The rotating shaft of the folding device 120 enables the frame rear pipe 13 to be folded with respect to the low step board 12. The rotary pipe 110 rotates the folded frame rear pipe 13 and the low step board 12 in the direction of the low frame front pipe 11 and positions them on the side of the low frame front pipe 11.

  FIG. 3 is a reference diagram of a used state after folding in a preferred embodiment of a foldable bicycle having a low straddle height according to the present invention. As shown in the figure, when folding, the folding device 120 is positioned in front of the saddle 133 of the frame rear pipe 13. Therefore, in the folding process, the handle 113 is firmly held to fix the front wheel 114, and the hand is put on the saddle 133 and pushed forward. Then, the rotating shafts of the rotary pipe 110 and the folding device 120 rotate, the frame rear pipe 13 is folded with respect to the low step board 12, and the low frame front pipe 11 rotates forward. And if it rotates until it positions, the rear wheel 134 will be folded by the side of the front wheel 114, and since a front wheel can be left in the thin ring 112, the front wheel 114 will not rattle easily after folding. When the folding is completed, the handle 113 is pushed as it is to slide the whole on the ground, and the whole can be lifted and moved after the folding with the fixed rear pipe 131 as a handle.

  The principle of folding is a labor-free folding method that realizes slide folding using the movement of the center of gravity by the weight of the low frame front pipe 11 and the frame rear pipe 13 itself. In the folding process, both the front wheel 114 and the rear wheel 134 are in close contact with the ground horizontally. In the folding process, the low-frame front pipe 11 and the rear-frame pipe 13 are automatically deployed by releasing the potential energy and converting it into kinetic energy by the energy transfer between the high and low points of the folding device 120. Is done.

  Compared with the conventional structure, the foldable bicycle with a low stride height in the present invention mainly meets the needs of female users mainly by the frame design with a low stride height, making it easier and easier for female users. Folding bicycles can be used. When opening the vehicle, if the vehicle is tilted, the vehicle is automatically deployed by gravity, so that both folding and opening are quick. After folding, the overall size is about the size of a suitcase, and the handle can be used as a handle for towing, making it more convenient to move and store, and the practicality as a whole increases.

  Although preferred embodiments of the present invention have been disclosed in the foregoing description and drawings, the preferred embodiments of the present invention depart from the spirit and scope of the principles of the present invention as defined in the appended claims for utility model registration. It should be understood that various additions and many modifications and replacements may be applied. One skilled in the art can appreciate that the present invention is applicable to variations of various types, structures, arrangements, ratios, materials, members and units. Accordingly, the embodiments disclosed herein are for explaining the present invention and should not be considered as limiting the present invention. The scope of the present invention is defined by the appended claims for utility model registration, and encompasses the legal equivalents thereof, and is not limited to the above description.

DESCRIPTION OF SYMBOLS 1 Foldable bicycle with low stride height 11 Low frame front pipe 110 Rotating pipe 111 Thick pipe 112 Thin ring 113 Handle 114 Front wheel 12 Low step board 120 Folding device 13 Frame rear pipe 131 Fixed rear pipe 1311 Gear chain unit 1312 Pedal unit 132 Rear wheel frame 133 Saddle 134 Rear wheel

Claims (4)

A rotating pipe is provided at the forefront of the thick pipe, the tip of the thin ring is covered with the rotating pipe, the upper end of the rotating pipe is connected to the handle, A low frame front pipe whose lower end is connected to the front wheel,
The end of the thick pipe and the end of the thin ring are horizontally extended, and a folding device is provided at the end, and the folding device has a rotating shaft, and the fixed rear pipe and the rear wheel frame. The fixed rear pipe has a lower end connected to the folding device, a saddle is provided at the upper end, a rear wheel is attached to the rear wheel frame, and the rotating shaft of the folding device is The frame rear pipe can be folded with respect to the low step board, and the rotating pipe rotates the folded frame rear pipe and the low step board in the direction of the low frame front pipe so that the side of the low frame front pipe Foldable bicycle with low straddle height, including a frame rear pipe positioned on.   The low-step board is configured by horizontally extending an end of a thick pipe and an end of a thin ring, and the end of the thin ring is located above the end of the thick pipe. A foldable bicycle with a low stride height.   The foldable bicycle according to claim 1, wherein a gear chain unit and a pedal unit are provided on a side of the fixed rear pipe.   2. The foldable bicycle according to claim 1, wherein the folding device includes two folding plates that can be folded and opened with respect to each other, and the rotation shaft is provided on one folding plate.