CN114194324B - Separable bicycle folder - Google Patents

Abstract

The invention relates to the technical field of bicycles and discloses a separable bicycle folder, wherein a frame connecting assembly is arranged at one end of a frame screw, an arm strength supporting rod is arranged at one end of the frame screw, a bicycle head connecting assembly is arranged at one end of the arm strength supporting rod, and the frame connecting assembly and the bicycle head connecting assembly are mutually in buckling connection. The folding bicycle replaces the traditional hinge folding mode, and the folding bicycle can be conveniently disassembled into two parts for folding and storage by the buckle combination of the frame connecting assembly and the head connecting assembly, so that a consumer can divide the bicycle into two parts even under the condition of relatively tight space in the bicycle when driving and carrying, and the bicycle can be completely installed in the bicycle or can be separately stored when being stored in indoor spaces such as a house, a warehouse or an office, and the like, so that the space utilization rate is improved.

Description

A detachable bicycle folder

technical field

The invention relates to the technical field of bicycles, in particular to a detachable bicycle folder.

Background technique

Bicycles can be used as an environmentally friendly means of transportation for transportation and travel. More and more people use bicycles as fitness equipment for riding exercise and bicycle travel. Bicycle itself is also a competitive sport, including road cycling and mountain biking. , track cycling races, stunt bike races, etc.

A bicycle consists of 25 components such as a frame, tires, pedals, brakes, chains, etc., and its basic components are indispensable. Among them, the frame is the skeleton of a bicycle, and it bears the largest weight of people and goods. According to the weight of each component Working characteristics, it can be roughly divided into guiding system, driving system, braking system, guiding system: composed of handlebars, front forks, front axles, front wheels and other components, the rider can change the driving direction by manipulating the handlebars And keep the balance of the body; drive system: composed of pedals, central shaft, chainring, crank, chain, flywheel, rear axle, rear wheel and other components. , flywheel, rear axle and other components, so that the bicycle continues to move forward; braking system: it is composed of brake parts, and the rider can manipulate the brake at any time to slow down and stop the bicycle to ensure driving safety. , for safety and aesthetics, as well as practicality, it is also equipped with lights, brackets, bells and other components.

With the development of the times, in order to carry bicycles more conveniently, folding bicycles are gradually accepted by the majority of people. Generally, folding bicycles are composed of frame folding joints and standpipe folding joints. The wheels can be folded together, which can reduce the length of about 45%. Basically, they are all hinge-type folding methods. Consumers cannot completely separate the front and rear parts of the bicycle in this folding method. When the space such as vehicles is relatively tight, it is impossible to effectively put the folded bicycle into it, which limits the The folding performance of the bicycle. Therefore, those skilled in the art provide a detachable bicycle folder to solve the problems raised in the background art above.

Contents of the invention

The object of the present invention is to provide a detachable bicycle folder to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the present invention provides the following technical solutions: a detachable bicycle folder, including a frame screw and a head screw, one end of the frame screw is provided with a frame connection assembly, and one end of the head screw is provided There is an arm support rod, and one end of the arm support rod is provided with a head connecting assembly, and the frame connecting assembly and the head connecting assembly are snap-connected to each other.

As a further solution of the present invention: the frame connection assembly includes a guide slide bar arranged at one end of the frame screw rod, a compression spring is sheathed on the outer side of the guide slide bar close to the end of the frame screw rod, and the compression spring One end is covered with a stop block, one end of the stop block is covered with a guide sliding sleeve, one end of the guide sliding sleeve is provided with a telescopic slide seat, and the top end of the guide slide rod is provided with a positioning support , the front and rear sides of the positioning support are symmetrically connected with the matching connecting rod A, the front and rear sides of the telescopic slide seat are symmetrically connected with the matching connecting rod B, and the matching connecting rod A and the matching connecting rod B Through the pin connection, the end surface of the guide slide bar is provided with a locking socket at a position facing the horizontal line of the pin bar.

As a further solution of the present invention: the matching connecting rod A and the matching connecting rod B are two groups, and each group is two, and the matching connecting rod A and the matching connecting rod B form a rhombus structure.

As a further solution of the present invention: the head connecting assembly includes a lock buckle seat arranged at one end of the arm support rod, a lock cylinder mechanism is embedded in the upper part of the lock buckle seat at the middle position, and the lock buckle The inner side of the card seat close to the port is provided with a sliding seat card slot, the inner side of the lock card seat is provided with a support card slot on the side away from the port, and the inner side of the lock card seat is located in the middle position. The connecting rod slot, the sliding seat slot corresponds to the telescopic sliding seat in the frame connection assembly, and the connecting rod slot corresponds to the matching connecting rod A and matching connecting rod B in the frame connecting assembly , the support slot corresponds to the positioning support in the frame connection assembly.

As a further solution of the present invention: the inner diameter of the sliding seat slot matches the outer diameter of the telescopic sliding seat, the inner diameter of the connecting rod slot matches the outer diameter of the mating connecting rod A and the mating connecting rod B Adaptively, the inner diameter of the support slot is compatible with the outer diameter of the positioning support.

As a further solution of the present invention: the lock core mechanism includes a lock body, the upper part of the lock body is located in the middle position, and the lock core is embedded and engaged, and the lower part of the lock body is located in the middle position. The inner side of the lock body is symmetrically provided with a lock cylinder chamber, and the inner side of the lock cylinder chamber is located at the bottom end position to engage with a return spring, and the inner side of the lock cylinder chamber is located at the port position to engage with a locking core body, the inner side of the lock core is directly facing one end of the locking core body, and an unlocking core body is embedded and engaged; The bottom end is provided with a locking insertion rod.

As a further solution of the present invention: the number of the lock cylinder chambers is three groups, and the lock cylinder chambers are arranged symmetrically in a star triangle.

As a further solution of the present invention: the unlocking core body and the locking core body are both cylindrical structures, and the unlocking core body and the locking core body correspond to each other one by one.

As a further solution of the present invention: the threads of the frame screw and the head screw are symmetrically arranged forward and reverse, and the lengths of the frame screw and the head screw are not less than 4cm.

Compared with prior art, the beneficial effect of the present invention is:

The present invention replaces the traditional hinge-folding folding bicycle form, and through the buckle combination of the frame connecting component and the front connecting component, it is convenient for the user to disassemble the folding bicycle into two parts for folding and storage, allowing consumers to drive When carrying, even if the space in the car is relatively tight, the bicycle can be divided into two parts so that they can all be loaded into the car, or when stored in indoor spaces such as homes, warehouses or offices, they can also be stored separately to increase space. utilization rate.

Description of drawings

Fig. 1 is a structural schematic diagram of a detachable bicycle folder;

Fig. 2 is a structural schematic diagram of a vehicle frame connection assembly in a detachable bicycle folder;

Fig. 3 is a structural schematic diagram of the front connecting assembly in a detachable bicycle folder;

Fig. 4 is a schematic diagram of the internal structure of the front connecting assembly in a detachable bicycle folder;

Fig. 5 is a structural schematic diagram of the lock cylinder mechanism in Fig. 4 of a detachable bicycle folder.

In the figure: 1, the frame screw; 2, the front screw; 3, the guide slider; 4, the compression spring; 5, the stop block; 6, the arm support rod; 7, the lock cylinder mechanism; , lock cylinder; 73, screwed screw sleeve; 74, telescopic screw rod; 75, locking plunger; 76, lock cylinder chamber; 77, return spring; 78, locking core body; 79, unlocking core body; 8, lock Buckle card seat; 9. Guide sliding sleeve; 10. Telescopic sliding seat; 11. Locking jack; 12. Positioning support; 13. Coupling connecting rod A; 14. Pin rod; 15. Coupling connecting rod B; 16. Sliding seat slot; 17. Connecting rod slot; 18. Support slot.

Detailed ways

Please refer to Figures 1 to 5. In the embodiment of the present invention, a detachable bicycle folder includes a frame screw 1 and a head screw 2. The threads of the frame screw 1 and the head screw 2 are symmetrically arranged forward and reverse. And the length of the frame screw 1 and the head screw 2 is not less than 4cm. During the assembly process of the folder, screw the frame screw 1 and the crossbeam of the bicycle frame by screwing together, and weld and fix them. , synchronously screw the headstock screw 2 and the crossbeam of the bicycle headstock, and fix them by welding, so that the crossbeam is buckled and connected with the headstock connection assembly through the frame connection assembly, replacing the traditional hinge-type folding method, which can facilitate the user to fold the bicycle Carry out overall disassembly and carry.

One end of the frame screw 1 is provided with a frame connecting assembly, the frame connecting assembly includes a guide slider 3 arranged at one end of the frame screw 1, and the outer side of the guide slider 3 close to the end of the frame screw 1 is provided with a compression spring 4 , one end of the compression spring 4 is provided with a stop block 5, one end of the stop block 5 is provided with a guide slide 9, one end of the guide slide 9 is provided with a telescopic slide 10, and the top of the guide slide 3 A positioning support 12 is provided, and the front and rear sides of the positioning support 12 are symmetrically connected with a matching connecting rod A13, and the front and rear sides of the telescopic slide seat 10 are symmetrically connected with a matching connecting rod B15, and the matching connecting rod A13 is connected with the matching connecting rod A13. The bar B15 is connected by the pin bar 14, and the end face of the guide slide bar 3 is provided with a locking socket 11 at the horizontal line position facing the pin bar 14, and the matching connecting rod A13 and the matching connecting rod B15 are two groups, and each group is There are two matching connecting rods A13 and B15 forming a rhombus structure. When assembling the folding bicycle into an integrated structure, the staff pushes the stop block 5 to drive the telescopic sliding seat 10 to slide on the guiding sliding rod 3 During the sliding process, the telescopic sliding seat 10 pulls the matching connecting rod B15 to rotate, and through the relay transmission of the pin rod 14, pulls the matching connecting rod A13 to rotate synchronously, so that the matching connecting rod B15 and the matching connecting rod A13 are symmetrically expanded. The positioning support 12 , the combination of the matching connecting rod A13 and the matching connecting rod B15 , and the telescopic sliding seat 10 can be snapped into the locking card seat 8 sequentially through the sliding seat slot 16 .

One end of the headstock screw 2 is provided with an arm support rod 6, and one end of the arm support rod 6 is provided with a headstock connection assembly, the frame connection assembly and the headstock connection assembly are snap-connected to each other, and the headstock connection assembly includes a The lock card seat 8 of the lock card seat 8 is embedded with a lock core mechanism 7 at the middle position above the lock card seat 8, and the lock core mechanism 7 includes a lock body 71, and a lock core is embedded and engaged at the middle position above the lock body 71 72, and the lower part of the lock body 71 is located at the middle position to be provided with a twisted screw sleeve 73, and the inner side of the lock body 71 is symmetrically provided with a lock cylinder chamber 76, and the inner side of the lock cylinder chamber 76 is located at the bottom position to engage with a reset Spring 77, and the inner side of the lock cylinder chamber 76 is located at the port position and is embedded with a locking core 78, and the inner side of the lock core 72 is embedded with an unlocking core 79 facing one end of the locking core 78, and the screw sleeve is screwed. The inner side of 73 is screwed with telescopic screw rod 74, and telescopic screw rod 74 is fixedly connected with lock cylinder 72, and the bottom end of telescopic screw rod 74 is provided with locking insertion rod 75, and the quantity of lock cylinder chamber 76 is three groups, and lock cylinder chamber The chambers 76 are symmetrically arranged in a star triangle, and the unlocking core body 79 and the locking core body 78 are all cylindrical structures, and the unlocking core body 79 and the locking core body 78 correspond to each other one by one. Insert the key into the lock cylinder 72. During the insertion process, the key squeezes the unlocking core 79 to move, so that the unlocking core 79 pushes the locking core 78 into the lock core chamber 76 to release the locked state, and then the user turns The key drives the lock core 72 to rotate, synchronously drives the telescopic screw rod 74 to rotate in the screw sleeve 73, and pushes the locking insertion rod 75 downwards, inserts it into the locking jack 11 on the end face of the guide slide bar 3, and makes the car The frame connecting component and the front connecting component form a locked state, preventing outsiders from disassembling and stealing the folding bicycle.

The inner side of the lock holder 8 near the port is provided with a sliding seat slot 16, the inner side of the lock holder 8 away from the port is provided with a support slot 18, and the inner side of the lock holder 8 is located in the middle position. There is a connecting rod slot 17 at the position, and the sliding seat slot 16 corresponds to the telescopic sliding seat 10 in the frame connection assembly, and the connecting rod slot 17 is connected to the matching connecting rod A13 and the matching connecting rod in the frame connecting assembly. Corresponding to B15, the support slot 18 corresponds to the positioning support 12 in the frame connection assembly, the inner diameter of the sliding seat slot 16 matches the outer diameter of the telescopic sliding seat 10, and the inner diameter of the connecting rod slot 17 matches the The outer diameters of the mating connecting rod A13 and the mating connecting rod B15 are compatible, the inner diameter of the support slot 18 is compatible with the outer diameter of the positioning support 12, and the positioning support 12, the mating connecting rod A13 and the matching When the combination of the connecting rod B15 and the telescopic slide seat 10 are sequentially snapped into the lock bay 8, the staff releases the stop block 5, pushes the telescopic slide seat 10 to reset through the elastic reset of the compression spring 4, and makes the telescopic slide seat 10 reset. The combination of the matching connecting rod A13 and the matching connecting rod B15 is symmetrically rotated and reset, engaged in the inner side of the connecting rod slot 17, and forms a locked state with the connecting rod slot 17, so that the frame connecting component and the front connecting component form a locking state. In the buckle state, the folding bicycle is assembled into one form.

The working principle of the present invention is: when the folding bicycle is assembled into an integrated structure, the staff pushes the stop block 5 to drive the telescopic slide 10 to slide on the guide slide bar 3, and the telescopic slide 10 pulls the pair of slides during the sliding process. The combined connecting rod B15 rotates, and through the relay transmission of the pin rod 14, the combined connecting rod A13 is pulled to rotate synchronously, so that the combined connecting rod B15 and the combined connecting rod A13 are symmetrically expanded, so that the positioning support 12, the combined connecting rod A13 and the The combination of the matching connecting rod B15 and the telescopic sliding seat 10 can be snapped into the lock card seat 8 through the sliding seat slot 16 in turn, and the combination of the positioning support 12, the matching connecting rod A13 and the matching connecting rod B15, the telescopic While the sliding seat 10 is sequentially snapped into the locking card seat 8, the staff releases the stopper seat 5, and pushes the telescopic sliding seat 10 to reset through the elastic reset push of the compression spring 4, so that the matching connecting rod A13 and the matching The combination of the connecting rod B15 is symmetrically rotated and reset, engaged in the inner side of the connecting rod slot 17, and forms a locked state with the connecting rod slot 17, and then makes the frame connecting assembly and the front connecting assembly form a snapping state, and the folding bicycle is assembled into a One-piece form, further, after the folding bicycle is assembled, the user inserts the matching key into the lock core 72, and during the insertion process of the key, the unlocking core 79 is squeezed to move, so that the unlocking core 79 pushes the locking core 78 Enter the lock cylinder chamber 76 to release the locked state, and then the user turns the key to drive the lock cylinder 72 to rotate, and synchronously drives the telescopic screw rod 74 to spirally rotate in the screw sleeve 73 to push the lock insertion rod 75 downward , insert in the locking socket 11 of guide slide bar 3 end faces, make vehicle frame connecting assembly and headstock connecting assembly form the locking state, avoid outsider to carry out disassembly stealing to folding bicycle.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technology of the present invention Any equivalent replacement or change of the scheme and its inventive concepts shall fall within the protection scope of the present invention.

Claims (5)

1. A detachable bicycle folder, comprising a frame screw (1) and a headstock screw (2), characterized in that, one end of the frame screw (1) is provided with a frame connection assembly, and the headstock screw One end of (2) is provided with an arm support rod (6), and one end of the arm support rod (6) is provided with a headstock connection assembly, and the frame connection assembly and the headstock connection assembly are snap-connected to each other, and the headstock connection assembly It includes a lock card seat (8) arranged at one end of the arm support rod (6), the upper part of the lock card seat (8) is embedded with a lock cylinder mechanism (7) at the middle position, and the lock card The inner side of the seat (8) close to the port is provided with a sliding seat card slot (16), the inner side of the lock card seat (8) is provided with a support card slot (18) on the side away from the port, and the lock The inner side of the buckle seat (8) is located at the middle position and is provided with a connecting rod slot (17). The rod slot (17) corresponds to the mating link A (13) and the mating link B (15) in the frame connection assembly, and the support slot (18) corresponds to the positioning of the frame connection assembly. Corresponding to the support (12), the lock core mechanism (7) includes a lock body (71), and the lock body (71) is embedded with a lock core (72) at the middle position above the lock body (71), and the lock body ( The bottom of 71) is located in the middle position to be provided with twisted screw sleeve (73), and the inner side of described lock body (71) is symmetrically provided with lock cylinder chamber (76), and the inner side of described lock cylinder chamber (76) is located at A return spring (77) is engaged at the bottom end, and a locking core (78) is embedded and engaged at the inner side of the lock cylinder chamber (76) at the port position, and the inner side of the lock cylinder (72) is facing the locking One end of the core (78) is embedded with an unlocking core (79), and the inner side of the screw sleeve (73) is screwed with a telescopic screw (74), and the telescopic screw (74) is connected to the lock core (72). ) is fixedly connected, and the bottom end of the telescopic screw (74) is provided with a locking insertion rod (75), and the number of the lock cylinder chambers (76) is three groups, and the lock cylinder chambers (76) are star-triangle symmetrical Arranged, the unlocking core (79) and the locking core (78) are both cylindrical structures, and the unlocking core (79) and the locking core (78) correspond to each other one by one. 2. A detachable bicycle folder according to claim 1, characterized in that, said vehicle frame connecting assembly comprises a guide slider (3) arranged at one end of the vehicle frame screw (1), said guide slider The outside of the rod (3) is provided with a compression spring (4) close to one end of the frame screw (1), and one end of the compression spring (4) is provided with a stop block (5). One end of (5) is provided with a guide sliding sleeve (9), one end of the guide sliding sleeve (9) is provided with a telescopic sliding seat (10), and the top end of the guide sliding rod (3) is provided with a positioning support (12), the front and rear sides of the positioning support (12) are symmetrically connected with the matching connecting rod A (13), and the front and rear sides of the telescopic slide seat (10) are symmetrically connected with the matching connecting rod B (15 ), the coupling connecting rod A (13) is connected with the coupling coupling rod B (15) through the pin rod (14), and the end face of the guide slide rod (3) is directly opposite to the horizontal line position of the pin rod (14) A locking jack (11) is provided. 3. A detachable bicycle folder according to claim 2, characterized in that, the matching connecting rod A (13) and the matching connecting rod B (15) are two groups, and each group is Two, the pairing connecting rod A (13) and the matching connecting rod B (15) form a rhombus structure. 4. A detachable bicycle folder according to claim 1, characterized in that, the inner diameter of the sliding seat slot (16) matches the outer diameter of the telescopic sliding seat (10), and the connecting The inner diameter of the rod clamping groove (17) is compatible with the outer diameter of the mating connecting rod A (13) and the mating connecting rod B (15), and the inner diameter of the bearing engaging groove (18) is compatible with the positioning support (12 ) to match the outer diameter. 5. A detachable bicycle folder according to claim 1, characterized in that, the threads of the frame screw (1) and the head screw (2) are symmetrically arranged forward and reverse, and the frame screw (1) and the length of the headstock screw (2) are not less than 4cm.

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