A foldable portable commuter bicycle

Abstract

This application relates to the field of folding bicycle technology and discloses a foldable portable commuter bicycle, including a fixed frame. A folding frame is provided on the right side of the fixed frame, and the fixed frame and the folding frame are rotatably connected by a hinge. A connecting block is fixedly installed on the right side of the fixed frame, and a connecting groove is opened on the left side of the folding frame. The connecting block is adapted to the connecting groove, and a fixing mechanism is provided between the folding frame and the connecting block. A cavity is opened in the connecting block, and an inflation mechanism is provided in the cavity. Two airbag slots are opened on the right side of the fixed frame. This application has the following advantages and effects: by providing a protective mechanism, the protective airbags can be inflated and tightly fitted to the left side of the folding frame to form an elastic buffer layer. This provides shock absorption protection at the connection between the fixed frame and the folding frame, reduces mechanical wear during riding bumps, and fills gaps to prevent foreign objects from entering the connection structure, thereby extending the life of the components.

Description

Technical Field

[0001] This application relates to the field of folding bicycle technology, and in particular to a foldable portable commuter bicycle. Background Technology

[0002] With the acceleration of urbanization and the popularization of green travel concepts, bicycles, as an environmentally friendly and convenient means of transportation, are increasingly widely used in commuting. Especially in the "last mile" connection between public transportation such as subways and buses and workplaces, foldable portable bicycles have become an ideal choice for many commuters due to their compact size, easy storage, and portability.

[0003] In practical use, it has been found that most current folding bicycles use simple buckles or bolts for fixing. After unfolding and entering riding mode, the folding joints rely solely on rigid structures to maintain the connection, lacking an effective protection mechanism. During riding, the exposed folding joints are constantly exposed to the outside, making them highly susceptible to corrosion from rain, dust, and mud, which accelerates component corrosion and shortens the lifespan of the bicycle. Therefore, we propose a foldable portable commuter bicycle to solve the above problems. Utility Model Content

[0004] The purpose of this application is to address the shortcomings of existing technologies, such as exposed folding joints being easily corroded by rainwater, dust, and mud, which accelerates component corrosion and shortens the lifespan of the bicycle. Therefore, this application proposes a foldable portable commuter bicycle.

[0005] The above-mentioned technical objective of this application is achieved through the following technical solution: a foldable portable commuter bicycle, including a fixed frame, a folding frame provided on the right side of the fixed frame, the fixed frame and the folding frame being rotatably connected by a hinge, a connecting block being fixedly installed on the right side of the fixed frame, a connecting groove being provided on the left side of the folding frame, the connecting block being adapted to the connecting groove, a fixing mechanism being provided between the folding frame and the connecting block; a cavity being provided inside the connecting block, an inflation mechanism being provided inside the cavity, two airbag slots being provided on the right side of the fixed frame, the connecting block being located between the two airbag slots, a protective mechanism being provided inside the airbag slots, a rear fork being fixedly installed on the left side of the fixed frame, and a front fork being fixedly installed on the right side of the folding frame.

[0006] A further configuration of this application is as follows: the fixing mechanism includes a bolt and a threaded hole, the top of the folding frame is threaded with a bolt, the top of the connecting block is provided with a threaded hole, the threaded hole is connected to the cavity, the bolt is threadedly connected to the threaded hole, and a pushing mechanism is provided in the threaded hole.

[0007] By adopting the above technical solution and setting a fixing mechanism, the bolts can be screwed into the threaded holes, which can achieve rigid fixing of the connecting block and the folding frame, ensuring that the connection between the fixing frame and the folding frame is stable during riding and preventing loosening and shaking.

[0008] A further configuration of this application is as follows: the pushing mechanism includes a push plate and a push rod, the push plate is provided in the threaded hole, the push rod is fixedly installed at the bottom of the push plate, the bottom end of the push rod extends into the cavity, and the bottom end of the bolt is adapted to the top of the push plate.

[0009] By adopting the above technical solution and by setting up a pushing mechanism, the bolt can push the push plate and push rod to move downward, thereby achieving the purpose of driving the piston plate to move downward.

[0010] A further feature of this application is that the inflation mechanism includes a piston plate and an inflation tube, the piston plate is slidably installed in the cavity, the top of the piston plate is fixedly connected to the bottom of the push rod, an inflation tube is provided on the left inner wall of the cavity, and the left end of the inflation tube extends into the fixed frame.

[0011] By adopting the above technical solution and by setting up an inflation mechanism, the air in the cavity is squeezed during the downward movement of the piston plate. The air is then diverted to the branch pipe through the inflation pipe and finally inflated into the protective airbag.

[0012] A further feature of this application is that the protective mechanism includes a protective airbag and a branch tube, a protective airbag is fixedly installed on the inner wall of the left side of the airbag groove, the same branch tube is provided between the protective airbag and the inflation tube, and the right side of the protective airbag is adapted to the left side of the folding frame.

[0013] By adopting the above technical solution and setting up a protective mechanism, the protective airbag expands and fits tightly against the left side of the folding frame to form an elastic buffer layer. This provides shock absorption protection at the connection between the fixed frame and the folding frame, reduces mechanical wear during riding bumps, fills gaps to prevent foreign objects from entering the connection structure, and thus extends the life of the components.

[0014] A further feature of this application is that a spring is fixedly installed at the bottom of the piston plate, and the bottom end of the spring is fixedly connected to the inner wall of the bottom of the cavity.

[0015] By adopting the above technical solution and by incorporating a spring, the spring can drive the piston plate to move upward and reset through its rebound force.

[0016] A further feature of this application is that an air hole is provided on the right side of the connecting block, the air hole penetrates the cavity, and the air hole is located above the piston plate.

[0017] By adopting the above technical solution and by setting air holes, the air pressure inside the cavity can be balanced through the air holes.

[0018] A further feature of this application is that the bolt has a wing at its top.

[0019] By adopting the above technical solution and by setting up winglets, the bolts can be easily rotated through the winglets.

[0020] The beneficial effects of this application are:

[0021] (1) Through the cooperation of the wing, bolt and threaded hole, the bolt can be screwed into the threaded hole by rotating the wing, which can achieve the rigid fixation of the connecting block and the folding frame, ensuring that the connection between the fixed frame and the folding frame is stable when riding, avoiding loosening and shaking, and achieving convenient folding operation to meet the portability needs in commuting scenarios.

[0022] (2) Through the cooperation of push plate, push rod, piston plate, air tube, branch tube and protective airbag, the piston plate can be pushed down by bolts. During the downward movement of the piston plate, the air in the cavity is squeezed and the air can be filled into the protective airbag. After the protective airbag expands, it fits tightly against the left side of the folding frame to form an elastic buffer layer. This can provide shock absorption protection at the connection between the fixed frame and the folding frame, reduce mechanical wear when riding bumpy, fill the gaps to prevent foreign objects from entering the connection structure, and thus extend the life of the components. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 This is a three-dimensional structural diagram of a foldable portable commuter bicycle according to this application;

[0025] Figure 2 This is a schematic diagram of the folding structure of the fixing frame and folding frame of a foldable portable commuter bicycle according to this application;

[0026] Figure 3 This is a schematic diagram of the protective mechanism structure of a foldable portable commuter bicycle according to this application;

[0027] Figure 4 This is a schematic diagram of the internal structure of the connecting block of a foldable portable commuter bicycle according to this application.

[0028] In the diagram: 1. Fixed frame; 2. Folding frame; 3. Hinge; 4. Airbag slot; 401. Protective airbag; 402. Branch pipe; 5. Bolt; 501. Wing; 6. Threaded hole; 601. Push plate; 602. Push rod; 7. Piston plate; 701. Inflation pipe; 8. Spring; 101. Connecting block; 201. Connecting groove. Detailed Implementation

[0029] The technical solution of this application will be clearly and completely described below with reference to specific embodiments. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0030] See Figures 1-4 This application provides a foldable portable commuter bicycle, including a fixed frame 1, a folding frame 2 on the right side of the fixed frame 1, the fixed frame 1 and the folding frame 2 being rotatably connected by a hinge 3, a connecting block 101 fixedly installed on the right side of the fixed frame 1, a connecting groove 201 on the left side of the folding frame 2, the connecting block 101 being adapted to the connecting groove 201, a fixing mechanism being provided between the folding frame 2 and the connecting block 101; a cavity being provided inside the connecting block 101, an inflation mechanism being provided inside the cavity, two airbag slots 4 being provided on the right side of the fixed frame 1, the connecting block 101 being located between the two airbag slots 4, a protective mechanism being provided inside the airbag slots 4, a rear fork fixedly installed on the left side of the fixed frame 1, and a front fork fixedly installed on the right side of the folding frame 2.

[0031] Specifically, the fixing mechanism includes bolt 5 and threaded hole 6. Bolt 5 is threadedly installed on the top of the folding frame 2, and threaded hole 6 is opened on the top of the connecting block 101. Threaded hole 6 is connected to the cavity. Bolt 5 is threadedly connected to threaded hole 6, and a pushing mechanism is provided in threaded hole 6.

[0032] Specifically, the pushing mechanism includes a push plate 601 and a push rod 602. The push plate 601 is installed in the threaded hole 6, and the push rod 602 is fixedly installed at the bottom of the push plate 601. The bottom end of the push rod 602 extends into the cavity, and the bottom end of the bolt 5 is adapted to the top of the push plate 601.

[0033] Specifically, the inflation mechanism includes a piston plate 7 and an inflation tube 701. The piston plate 7 is slidably installed in the cavity. The top of the piston plate 7 is fixedly connected to the bottom of the push rod 602. An inflation tube 701 is provided on the inner wall of the left side of the cavity. The left end of the inflation tube 701 extends into the fixed frame 1.

[0034] Specifically, the protective mechanism includes a protective airbag 401 and a branch pipe 402. The protective airbag 401 is fixedly installed on the inner wall of the left side of the airbag groove 4. The same branch pipe 402 is provided between the protective airbag 401 and the inflation pipe 701. The right side of the protective airbag 401 is adapted to the left side of the folding frame 2.

[0035] Specifically, a spring 8 is fixedly installed at the bottom of the piston plate 7, and the bottom end of the spring 8 is fixedly connected to the inner wall of the bottom of the cavity.

[0036] Specifically, the connecting block 101 has an air hole on its right side, which penetrates the cavity and is located above the piston plate 7.

[0037] Specifically, a wing 501 is provided on the top of bolt 5.

[0038] In this application, when the bicycle needs to be unfolded during operation, the folding frame 2 is flipped to the right, so that the connecting block 101 on the right side of the fixing frame 1 is precisely inserted into the connecting groove 201 on the left side of the folding frame 2, achieving initial positioning. Subsequently, rotating the wing 501 can drive the bolt 5 to screw into the threaded hole 6. As the bolt 5 is gradually tightened, its bottom end pushes the push plate 601 to move down. The push plate 601 drives the piston plate 7 to slide down in the cavity and compress the spring 8 through the push rod 602. At this time, the threaded connection between the bolt 5 and the threaded hole 6 can achieve rigid fixation between the connecting block 101 and the folding frame 2, ensuring that the fixing frame 1 and the folding frame 2 are firmly connected during riding, and avoiding loosening and shaking.

[0039] At the same time, as the piston plate 7 moves down, it compresses the air in the cavity. The air is then diverted through the inflation tube 701 to the branch tube 402 and finally inflated into the protective airbag 401 in the airbag groove 4. This allows the protective airbag 401 to expand and fit tightly against the left side of the folding frame 2, forming an elastic buffer layer. This provides shock absorption protection at the connection between the fixed frame 1 and the folding frame 2, reduces mechanical wear during riding bumps, fills gaps to prevent foreign objects from entering the connection structure, and thus extends the life of the components.

[0040] When folding and storing is required, the reverse rotation of the wing 501 causes the bolt 5 to unscrew from the threaded hole 6. The spring 8 returns to its original position, pushing the piston plate 7 upward. A negative pressure is formed in the cavity, and the gas in the protective airbag 401 flows back into the cavity through the branch pipe 402 and the inflation pipe 701. The protective airbag 401 contracts into the airbag groove 4, relieving the pressure on the folding frame 2. The folding frame 2 is flipped to the left, causing the connecting block 101 to separate from the connecting groove 201, completing the folding. At this time, the air hole on the right side of the connecting block 101 ensures that the cavity and the external air pressure are balanced, ensuring smooth folding operation. This allows for convenient folding operation and meets the portability requirements in commuting scenarios.

Claims

1. A foldable, portable commuter bicycle, characterized in that, Includes a fixed frame (1), a folding frame (2) is provided on the right side of the fixed frame (1), the fixed frame (1) and the folding frame (2) are rotatably connected by a hinge (3), a connecting block (101) is fixedly installed on the right side of the fixed frame (1), a connecting groove (201) is provided on the left side of the folding frame (2), the connecting block (101) is adapted to the connecting groove (201), and a fixing mechanism is provided between the folding frame (2) and the connecting block (101); The connecting block (101) has a cavity, and an inflation mechanism is provided in the cavity. The fixing frame (1) has two airbag slots (4) on the right side. The connecting block (101) is located between the two airbag slots (4). A protective mechanism is provided in the airbag slots (4). A rear fork is fixed on the left side of the fixing frame (1), and a front fork is fixed on the right side of the folding frame (2).

2. The foldable portable commuter bicycle according to claim 1, characterized in that: The fixing mechanism includes a bolt (5) and a threaded hole (6). The top of the folding frame (2) is threaded with a bolt (5). The top of the connecting block (101) is provided with a threaded hole (6). The threaded hole (6) is connected to the cavity. The bolt (5) is threadedly connected to the threaded hole (6). A pushing mechanism is provided in the threaded hole (6).

3. A foldable portable commuter bicycle according to claim 2, characterized in that: The pushing mechanism includes a push plate (601) and a push rod (602). The push plate (601) is provided in the threaded hole (6). The push rod (602) is fixedly installed at the bottom of the push plate (601). The bottom end of the push rod (602) extends into the cavity. The bottom end of the bolt (5) is adapted to the top of the push plate (601).

4. A foldable portable commuter bicycle according to claim 1, characterized in that: The inflation mechanism includes a piston plate (7) and an inflation tube (701). The piston plate (7) is slidably installed in the cavity. The top of the piston plate (7) is fixedly connected to the bottom of the push rod (602). An inflation tube (701) is provided on the left inner wall of the cavity. The left end of the inflation tube (701) extends into the fixed frame (1).

5. A foldable portable commuter bicycle according to claim 1, characterized in that: The protective mechanism includes a protective airbag (401) and a branch pipe (402). The protective airbag (401) is fixedly installed on the inner wall of the left side of the airbag groove (4). The protective airbag (401) and the inflation pipe (701) are connected by the same branch pipe (402). The right side of the protective airbag (401) is adapted to the left side of the folding frame (2).

6. A foldable portable commuter bicycle according to claim 4, characterized in that: A spring (8) is fixedly installed at the bottom of the piston plate (7), and the bottom end of the spring (8) is fixedly connected to the inner wall of the bottom of the cavity.

7. A foldable portable commuter bicycle according to claim 1, characterized in that: The connecting block (101) has an air hole on its right side, the air hole penetrates the cavity, and the air hole is located above the piston plate (7).

8. A foldable portable commuter bicycle according to claim 2, characterized in that: The bolt (5) is provided with a wing (501) at the top.

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