Bicycle frame capable of being quickly folded and unfolded

Abstract

The utility model discloses a bicycle frame capable of being rapidly folded and unfolded, and belongs to the technical field of bicycle frames capable of being rapidly folded and unfolded. The bicycle frame comprises a main beam, a fixing sleeve is installed on one side of the main beam, a fixing plate is installed at the bottom of the fixing sleeve, a movable rod is connected into the fixing sleeve in a sleeved mode, and a front fork is arranged at one end of the main beam; a connecting mechanism is installed between the front fork and the main beam, a fixing rod is installed at the top, provided with the connecting mechanism, of the front fork, a handlebar is installed above the fixing rod, a rear fork is installed on one side of a fixing sleeve, and the rear fork comprises two sets of connecting plates and two sets of supporting rods. According to the portable bicycle, the bicycle can be folded and unfolded more conveniently, the occupied area of the whole folded bicycle is small, carrying and storage are convenient, the whole bicycle is lighter due to the used aluminum alloy material, and portability is effectively improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of folding bicycle frames that can be quickly folded and unfolded, and in particular to a folding bicycle frame that can be quickly folded and unfolded. BACKGROUND

[0002] With the continuous progress of technology, folding bicycle technology is also developing rapidly. Today, folding bicycles are not just a convenient means of transportation, but also a symbol of a fashionable lifestyle. This article will discuss the current status of folding bicycle technology and its widespread application in society; the solution to the existing technology: Currently, the common folding bicycle frame design uses a multi-joint hinge structure, which uses multiple locking mechanisms to fix the various parts of the frame. Although this design can achieve folding, it is cumbersome to operate, and the locking mechanism is prone to wear and tear after long-term use, affecting the folding stability;

[0003] The existing folding bicycle frame has the problems of slow folding and unfolding speed, complex operation, and easy wear of the locking mechanism. CONTENT OF THE INVENTION

[0004] In view of the deficiencies of the prior art, the present application provides a folding bicycle frame that can be quickly folded and unfolded, which overcomes the deficiencies of the prior art and aims to solve the problems of slow folding and unfolding speed, complex operation, and easy wear of the locking mechanism of the existing folding bicycle frame in the prior art.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solution: a folding bicycle frame that can be quickly folded and unfolded, comprising a main beam, a fixed sleeve mounted on one side of the main beam, a fixed plate mounted at the bottom of the fixed sleeve, a movable rod sleeved inside the fixed sleeve, a front fork provided at one end of the main beam, a connecting mechanism mounted between the front fork and the main beam, a fixed rod mounted on the top of the connecting mechanism, a handlebar mounted above the fixed rod, a rear fork mounted on one side of the fixed sleeve, the rear fork comprising two groups of connecting plates and two groups of supporting rods, a fixed shaft mounted on the inner side of the two groups of connecting plates, the fixed shaft being rotatably connected to one side of the fixed plate, a supporting rod mounted on the upper side of one side of the two groups of supporting rods, a connecting block two mounted at the other end of the two groups of supporting rods, a connecting block one provided on one side of the fixed sleeve, and the main beam, the front fork and the fixed rod are all made of aluminum alloy.

[0006] By adopting the above technical scheme, by setting the main beam, during use, the mutual folding between the fixed rod, the front fork and the main beam can be realized through the connecting mechanism, by setting the rear fork, the rear fork can be turned over on one side of the fixing sleeve, then the support rod above the support rod can be grounded, thereby realizing the folding of the rear fork, then the moving rod can be completely stored by sleeving the moving rod through the fixing sleeve, which can better realize the folding of the bicycle, and it is also convenient to unfold when needed, the fixed connection between the connecting block one and the connecting block two can make the bicycle more stable when unfolded, and the use of aluminum alloy material can effectively reduce the weight of the bicycle, which can make the folding and unfolding of the bicycle more convenient, the overall footprint after folding is small, convenient to carry and store, and the use of aluminum alloy material also makes the bicycle lighter, effectively improving the portability.

[0007] As a preferred technical solution of the present application, the connecting mechanism comprises a mounting plate one, a mounting plate two and a buckling block, the mounting plate one and the mounting plate two are hingedly connected, the buckling block is located on one side of one of the mounting plate ones, the mounting plate one and the mounting plate two are internally provided with mounting blocks, the interiors of the two groups of mounting blocks are provided with threaded holes, the interiors of the mounting blocks are rotationally connected with mounting screws, one end of the mounting screw penetrates through the buckling block.

[0008] By adopting the above technical scheme, by setting the connecting mechanism, during use, the mounting plate one and the mounting plate two can be combined with each other, then the two groups of mounting blocks are brought close to each other, then the mounting screws are rotated to fix the two groups of mounting blocks, thereby fixing the interiors of the mounting plate one and the mounting plate two, the buckling block can externally fix the mounting plate one and the mounting plate two, when unfolding the bicycle, the mounting plate one and the mounting plate two can be separated by rotating the mounting screw, which can make folding and unfolding more convenient and improve the practicality of the device.

[0009] As a preferred technical solution of the present application, the two sides of the mounting plate one are provided with a plurality of matching grooves, the two sides of the mounting plate two are provided with a plurality of matching blocks at positions corresponding to the matching grooves, the size of the matching groove corresponds to the size of the matching block.

[0010] By adopting the above technical scheme, by setting the matching groove, during use, the mounting plate one and the mounting plate two can be further fixed through the mutual cooperation between the matching block and the matching groove, and the size of the matching block corresponds to the size of the matching groove, which can effectively enhance the stability of the bicycle during folding, unfolding and use, effectively prolong the service life and improve the practicality of the device.

[0011] As a preferred technical solution of the present application, one side of the two groups of support rods is provided with rear support rods, and the other end of the two groups of rear support rods and the two groups of support rods is provided with rotating wheels.

[0012] By adopting the above technical solution, by setting the rear support rods, when in use, the rotating wheels can provide good placement support effect for the folded bicycle, and the folded bicycle can be moved more conveniently, which is more convenient for people to move and store.

[0013] As a preferred technical solution of the present application, connecting rods are installed between the two groups of support rods and the two groups of rear support rods, storage plates are installed between the two groups of connecting rods, rear reflection lamps are installed at one end of the two groups of rear support rods, and the storage plates and the rear reflection lamps are parallel to each other.

[0014] By adopting the above technical solution, by setting the connecting rods, when the bicycle is unfolded, articles can be placed above the storage plates, and the rear reflection lamps can also make people safer when riding, improving the practicality of the device.

[0015] As a preferred technical solution of the present application, a mounting hole is formed in the upper part of the fixed rod, a bolt is rotatably connected inside the mounting hole, and a threaded hole matched with the mounting hole is formed in the inside of the handlebar.

[0016] By adopting the above technical solution, by setting the mounting hole, when in use, the connection between the bolt and the threaded hole in the inside of the handlebar through the mounting hole can be used to fix the handlebar, and the handlebar can be stored by rotating the bolt during the storage of the bicycle.

[0017] As a preferred technical solution of the present application, reinforcing rods are installed between the two groups of connecting plates, and the reinforcing rods are located above the fixed shafts.

[0018] By adopting the above technical solution, by setting the reinforcing rods, when in use, the connection between the two groups of connecting plates can be effectively improved, preventing the phenomenon of falling off and unstable connection during use, improving the overall structural strength and stability.

[0019] As a preferred technical solution of the present application, springs are installed outside the mounting screws, and circular blocks are installed on the side of the mounting screws.

[0020] By adopting the above technical solution, by setting the springs, when in use, it can be more convenient for people to rotate the mounting screws, and by setting the mounting blocks, when in use, the mounting screws can be more stable during rotation.

[0021] The beneficial effects of the present application:

[0022] 1. By setting the main beam, during use, the mutual folding between the fixed rod, the front fork and the main beam can be realized through the connecting mechanism, by setting the rear fork, the rear fork can be turned over on one side of the fixed sleeve, then the support rod above the support rod can touch the ground, thereby realizing the folding of the rear fork, and then the moving rod can be completely stored by the fixed sleeve sleeve connection, which can better realize the folding of the bicycle, and it is also more convenient to unfold, the fixed connection between the connecting block one and the connecting block two can make the bicycle more stable when unfolding, the use of aluminum alloy material can effectively reduce the weight of the bicycle, which can make it more convenient to fold and unfold the bicycle, the overall footprint after folding is small, easy to carry and store, and the use of aluminum alloy material also makes the bicycle more lightweight, effectively improving the portability.

[0023] 2. By setting the connecting mechanism, during use, the two sets of mounting blocks can be combined with each other by setting the connecting mechanism, then the two sets of mounting blocks are close to each other, then the two sets of mounting blocks are fixed by rotating the mounting screw, thereby realizing the internal fixation of the mounting plate one and the mounting plate two, the external fixation between the mounting plate one and the mounting plate two can be realized by the setting of the buckle block, when the bicycle needs to be unfolded, only the mounting screw needs to be rotated to realize the disengagement between the mounting plate one and the mounting plate two, which can make folding and unfolding more convenient and improve the practicality of the device. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 The overall structure of the present application is shown in the figure;

[0025] Figure 2 The overall folding structure of the present application is shown in the figure;

[0026] Figure 3 The rear fork structure of the present application is shown in the figure

[0027] Figure 4 The connecting mechanism structure of the present application is shown in the figure;

[0028] Figure 5 The mounting hole structure of the present application is shown in the figure.

[0029] In the figure: 1, main beam; 101, fixed sleeve; 102, fixed plate; 104, moving rod; 105, connecting block one; 2, rear fork; 201, connecting plate; 202, support rod; 204, fixed shaft; 205, support rod; 206, connecting block two; 207, rear support rod; 208, rotating wheel; 209, connecting rod; 2010, reinforcing rod; 3, front fork; 4, fixed rod; 401, mounting hole; 402, bolt; 5, handlebar; 6, connecting mechanism; 601, mounting plate one; 602, mounting plate two; 603, buckling block; 604, mounting block; 605, mounting screw; 606, spring; 607, round block; 608, matching groove; 609, matching block; 7, storage plate; 8, rear reflector. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0031] Reference Figures 1-3 A bicycle frame that can be quickly folded and unfolded, comprising a main beam 1, a fixed sleeve 101 is installed on one side of the main beam 1, a fixed plate 102 is installed at the bottom of the fixed sleeve 101, a moving rod 104 is sleeved in the fixed sleeve 101, a front fork 3 is arranged at one end of the main beam 1, a connecting mechanism 6 is installed between the front fork 3 and the main beam 1, a fixed rod 4 is installed on the top of the connecting mechanism 6, a handlebar 5 is installed above the fixed rod 4, a rear fork 2 is installed on one side of the fixed sleeve 101, the rear fork 2 comprises two groups of connecting plates 201 and two groups of support rods 202, a fixed shaft 204 is installed on the inner side of the two groups of connecting plates 201, the fixed shaft 204 is rotatably connected to one side of the fixed plate 102, a support rod 205 is installed on the upper side of one side of the two groups of support rods 202, a connecting block two 206 is installed at the other end of the two groups of support rods 205, a connecting block one 105 is arranged on one side of the fixed sleeve 101, the main beam 1, the front fork 3 and the fixed rod 4 are all made of aluminum alloy. A plurality of matching grooves 608 are formed on both sides of the mounting plate one 601, a plurality of matching blocks 609 are installed on both sides of the mounting plate two 602 corresponding to the matching grooves 608, the size of the matching grooves 608 corresponds to the size of the matching blocks 609.

[0032] Through the setting of the main beam 1, in use, the mutual folding between the fixed rod 4 and the front fork 3 and the main beam 1 can be realized through the connecting mechanism 6, through the setting of the rear fork 2, the rear fork 2 can be turned over on one side of the fixed sleeve 101, then the support rod 205 above the support rod 202 can be grounded, thereby realizing the folding of the rear fork 2, then the moving rod 104 can be completely stored through the sleeve connection of the fixed sleeve 101, such setting can better realize the folding of the bicycle, and it is also more convenient when unfolding, the fixed connection between the connecting block two 206 and the connecting block one 105 can make the bicycle more stable when unfolding, through the use of aluminum alloy material, the weight of the bicycle can be effectively reduced, such setting can be more convenient when folding and unfolding the bicycle, the overall footprint after folding is smaller, convenient to carry and store, the use of aluminum alloy material also makes the bicycle as a whole more lightweight, effectively improving the portability. Through the setting of the matching groove 608, in use, the fixing between the mounting plate one 601 and the mounting plate two 602 can be further realized through the mutual cooperation between the matching block 609 and the matching groove 608, and the size of the matching block 609 and the matching groove 608 is matched, which can effectively enhance the stability of the bicycle when folding, unfolding and using, effectively prolong the service life, and improve the practicability of the device.

[0033] With reference to Figure 1The connecting mechanism 6 comprises mounting plate one 601, mounting plate two 602 and buckling block 603, mounting plate one 601 and mounting plate two 602 are hinged to each other, buckling block 603 is located on one side of one set of mounting plate one 601, mounting plate one 601 and mounting plate two 602 are internally provided with mounting blocks 604, the interiors of the two sets of mounting blocks 604 are provided with threaded holes, the interiors of the mounting blocks 604 are rotatably connected with mounting screws 605, one end of the mounting screws 605 penetrates through the buckling block 603; one side of the two sets of supporting rods 205 is provided with rear supporting rods 207, the other ends of the two sets of rear supporting rods 207 and the two sets of supporting rods 205 are provided with rotating wheels 208; the upper portion of the fixed rod 4 is provided with a mounting hole 401, the interior of the mounting hole 401 is rotatably connected with a bolt 402, the interior of the handlebar 5 is provided with a threaded hole matched with the mounting hole 401; by arranging the connecting mechanism 6, in use, mounting plate one 601 and mounting plate two 602 can be combined with each other, then the two sets of mounting blocks 604 are close to each other, then the two sets of mounting blocks 604 are fixed by rotating the mounting screws 605, so as to internally fix mounting plate one 601 and mounting plate two 602, the buckling block 603 can externally fix mounting plate one 601 and mounting plate two 602, when the bicycle needs to be unfolded, mounting plate one 601 and mounting plate two 602 can be separated by rotating the mounting screws 605, so that folding and unfolding are more convenient, and the practicability of the device is improved; by arranging the rear supporting rods 207, in use, the rotating wheels 208 can provide good placing and supporting effect for the folded bicycle, and the folded bicycle can be more conveniently moved, and people's movement and storage are more convenient; by arranging the mounting hole 401, in use, the handlebar 5 can be fixed by connecting the bolt 402 through the mounting hole 401 and the threaded hole in the interior of the handlebar 5, and the handlebar 5 can be stored by rotating the bolt 402 during storage of the bicycle.

[0034] Referring to Figure 1The connecting rods 209 are arranged between the two groups of support rods 205 and the two groups of rear support rods 207, the storage plate 7 is arranged between the two groups of connecting rods 209, the rear reflection lamp 8 is arranged at one end of the two groups of rear support rods 207, and the storage plate 7 and the rear reflection lamp 8 are parallel to each other; through the arrangement of the connecting rods 209, when the bicycle is unfolded, the storage plate 7 can be used to place articles above the storage plate 7, and the rear reflection lamp 8 can also make people safer when riding, thereby improving the practicability of the device; the reinforcing rod 2010 is arranged between the two groups of connecting plates 201 and above the fixed shaft 204; through the arrangement of the reinforcing rod 2010, when the bicycle is used, the connection between the two groups of connecting plates 201 can be effectively improved, so that the phenomenon of falling off and unstable connection is prevented, and the overall structural strength and stability are improved; the spring 606 is arranged outside the mounting screw 605, and the circular block 607 is arranged on one side of the mounting screw 605.

[0035] Working principle: through the arrangement of the main beam 1, when the bicycle is used, the folding of the fixed rod 4, the front fork 3 and the main beam 1 can be realized through the connecting mechanism 6, and through the arrangement of the rear fork 2, the rear fork 2 can be flipped on one side of the fixed sleeve 101, then the support rod 205 above the support rod 202 can be grounded, so that the folding of the rear fork 2 is realized, then the complete storage effect of the moving rod 104 can be realized through the sleeving of the fixed sleeve 101 and the moving rod 104, so that the folding of the bicycle is better realized, and when unfolding is needed, it is also convenient, the fixed connection between the connecting block two 206 and the connecting block one 105 can make the bicycle more stable when unfolding, and the use of aluminum alloy material can effectively reduce the weight of the bicycle, so that the folding and unfolding of the bicycle is more convenient, the overall area after folding is small, and the aluminum alloy material also makes the bicycle as a whole more lightweight, effectively improving the portability, through the arrangement of the connecting mechanism 6, when the bicycle is used, the installation plate one 601 and the installation plate two 602 can be combined with each other, then the two groups of mounting blocks 604 are close to each other, then the installation screw 605 is rotated to fix the two groups of mounting blocks 604, so that the internal fixation of the installation plate one 601 and the installation plate two 602 is realized, the buckling block 603 can be arranged to externally fix the installation plate one 601 and the installation plate two 602, when the bicycle needs to be unfolded, the installation screw 605 is only needed to be rotated to realize the separation between the installation plate one 601 and the installation plate two 602, so that the folding and unfolding are more convenient, and the practicability of the device is improved.

[0036] Wherein, by setting the matching groove 608, in use, through the mutual cooperation between the matching block 609 and the matching groove 608, the fixing between the mounting plate one 601 and the mounting plate two 602 can be further carried out, and the size matching between the matching block 609 and the matching groove 608 can effectively enhance the stability of the bicycle when folding and unfolding and using, effectively prolong the service life, improve the practicability of the device, by setting the rear support rod 207, in use, the rotating wheel 208 can be set to provide good placing support effect for the folded bicycle, and the folded bicycle can be moved more conveniently, and people's movement and storage are more convenient;

[0037] At the same time, by setting the connecting rod 209, in use, after the bicycle is unfolded, the articles can be placed above the storage plate 7, and the rear reflector 8 can also make people more safe when riding, improving the practicability of the device;

[0038] In addition, by setting the mounting hole 401, in use, the fixing of the handlebar 5 can be realized by the connection between the bolt 402 and the threaded hole in the inside of the handlebar 5 through the mounting hole 401, and the effect of storing the handlebar 5 can be realized by rotating the bolt 402 during the storage of the bicycle; by setting the reinforcing rod 2010, in use, the connection force between the two groups of connecting plates 201 can be effectively improved, so that the phenomenon of falling off and unstable connection during use is prevented, and the overall structural strength and use stability are improved; by setting the spring 606, in use, people can be more convenient when rotating the mounting screw 605 through 60, and by setting the mounting block 604, in use, the mounting screw 605 can be more stable when rotating.

[0039] The above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A bicycle frame that can be quickly folded and unfolded, comprising a main beam (1), characterized in that, One side of the main beam (1) is provided with a fixed sleeve (101), the bottom of the fixed sleeve (101) is provided with a fixed plate (102), the inside of the fixed sleeve (101) is sleeved with a moving rod (104), one end of the main beam (1) is provided with a front fork (3), the front fork (3) and the main beam (1) are provided with a connecting mechanism (6), the top of the front fork (3) is provided with the connecting mechanism (6), the top of the connecting mechanism (6) is provided with a fixed rod (4), the upper side of the fixed rod (4) is provided with a handlebar (5), one side of the fixed sleeve (101) is provided with a rear fork (2), the rear fork (2) comprises two groups of connecting plates (201) and two groups of supporting rods (202), the inner sides of the two groups of connecting plates (201) are provided with fixed shafts (204), the fixed shafts (204) are rotatably connected to one side of the fixed plate (102), the upper sides of the two groups of supporting rods (202) are provided with supporting rods (205), the other ends of the two groups of supporting rods (205) are provided with connecting blocks two (206), one side of the fixed sleeve (101) is provided with a connecting block one (105), the main beam (1), the front fork (3) and the fixed rod (4) are all made of aluminum alloy.

2. A bicycle frame according to claim 1, characterized in that The connecting mechanism (6) comprises a mounting plate one (601), a mounting plate two (602) and a buckling block (603), the mounting plate one (601) and the mounting plate two (602) are hingedly connected, the buckling block (603) is located on one side of one of the mounting plate one (601), the mounting plate one (601) and the mounting plate two (602) are internally provided with mounting blocks (604), the interiors of the two groups of mounting blocks (604) are provided with threaded holes, the interiors of the mounting blocks (604) are rotatably connected with mounting screws (605), one end of the mounting screw (605) penetrates through the buckling block (603).

3. A bicycle frame that can be quickly folded and unfolded according to claim 2, characterized in that, The two sides of the mounting plate one (601) are provided with a plurality of matching grooves (608), the two sides of the mounting plate two (602) are provided with a plurality of matching blocks (609) at positions corresponding to the matching grooves (608), the sizes of the matching grooves (608) correspond to the sizes of the matching blocks (609).

4. The quick foldable and unfoldable bicycle frame as claimed in claim 1 wherein, The two groups of supporting rods (205) are provided with rear supporting rods (207) on one side, the other ends of the two groups of rear supporting rods (207) and the two groups of supporting rods (205) are provided with rotating wheels (208).

5. A bicycle frame according to claim 4, wherein, The two groups of supporting rods (205) and the two groups of rear supporting rods (207) are provided with connecting rods (209) therebetween, the two groups of connecting rods (209) are provided with a storage plate (7), the other ends of the two groups of rear supporting rods (207) are provided with rear reflection lamps (8), the storage plate (7) and the rear reflection lamps (8) are parallel to each other.

6. A bicycle frame that can be quickly folded and unfolded according to claim 1, characterized in that, The upper portion of the fixed rod (4) is provided with a mounting hole (401), the inside of the mounting hole (401) is rotationally connected with a bolt (402), the inside of the handlebar (5) is provided with a threaded hole matched with the mounting hole (401).

7. A bicycle frame that can be quickly folded and unfolded according to claim 1, characterized in that, Two groups of the connecting plates (201) are provided with a reinforcing rod (2010), and the reinforcing rod (2010) is located above the fixed shaft (204).

8. A bicycle frame that can be quickly folded and unfolded according to claim 2, characterized in that, The outside of the mounting screw rod (605) is provided with a spring (606), and the part of the mounting screw rod (605) located on one side of the buckling block (603) is provided with a circular block (607).

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