Detachable wheel of folding bicycle

Abstract

The utility model discloses a folding bicycle detachable wheel which comprises a support and an outer sleeve connected with an external bicycle frame, the inner portion of the outer sleeve is fixedly connected with a fixing mechanism, the support is rotatably connected with a rotating shaft, the outer portion of the rotating shaft is fixedly provided with a walking wheel, and the top of the support is fixedly provided with a support shaft mechanism. The support shaft mechanism is inserted into the fixing mechanism, and the fixing mechanism is provided with a clamping mechanism which enables the support shaft mechanism to be fixed and detached from the interior of the fixing mechanism. According to the folding trolley, the size of a contained carton can be reduced and the loading amount can be increased through the detachable wheels of the folding trolley, and when the support and the walking wheels are installed, the support shaft mechanism can be installed in the fixing mechanism and matched with the clamping mechanism. Through the arrangement, rapid installation and replacement of the support shaft mechanism, the support and the walking wheel can be conveniently completed, so that the walking wheel is conveniently replaced and maintained, and the walking wheel can be replaced according to different use scenes of the folding bicycle.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of folding bicycle, concretely is a folding bicycle dismounting wheel. BACKGROUND

[0002] Folding bicycle is a kind of vehicle designed for convenient carrying and storage, its main feature is that it can be quickly folded into smaller size by specific mechanism. This type of vehicle is very suitable for those who need to take the vehicle into public transport, office or apartment.

[0003] The existing folding bicycle can fold and shrink the frame when using, but the wheel position cannot be dismounted, and these wheels that cannot be dismounted and replaced not only increase the size of the paper box for transportation, thereby increasing the cabinet volume, but also have poor applicability when using different wheels on different road surfaces, and the traditional fixed wheel is not convenient to maintain when the wheel is damaged, therefore, the utility model provides a folding bicycle dismounting wheel. UTILITARIAN CONTENT

[0004] The utility model aims at providing a folding bicycle dismounting wheel to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a folding bicycle dismounting wheel, comprising a support and a sleeve pipe connected with an external frame, a fixing mechanism is fixedly connected in the inside of the sleeve pipe, a rotating shaft is rotatably connected on the support, a walking wheel is fixedly installed on the outside of the rotating shaft, a support shaft mechanism is fixedly installed on the top of the support, the support shaft mechanism is inserted into the inside of the fixing mechanism, a clamping mechanism is arranged on the fixing mechanism to fix and dismount the support shaft mechanism from the inside of the fixing mechanism.

[0006] Further, the support shaft mechanism comprises a connecting rod, a positioning rod, a fixing head and a clamping groove, the connecting rod is fixedly connected with the support, the top of the connecting rod is fixedly connected with the positioning rod, the top of the positioning rod is fixedly installed with the fixing head, and the clamping groove is arranged between the positioning rod and the fixing head.

[0007] Further, the fixing mechanism comprises a fixed shell, a guide slot and a compression spring, two groups of guide slots arranged in horizontal direction are arranged on the fixed shell, the compression spring is fixedly installed in the inside of the fixed shell, and the top of the compression spring is in contact with the bottom of the clamping mechanism.

[0008] Further, the clamping mechanism comprises a clamping pin shaft, a button and driving grooves, the button is slidingly installed inside a fixed shell, two groups of driving grooves are arranged on the button in an inclined manner, and the clamping pin shaft is arranged on the fixed shell and corresponds to the guide grooves and the driving grooves.

[0009] Further, the bottom of the button is fixedly connected with a guide pipe, and the top of the button is provided with a pressing groove.

[0010] Further, the outside of the fixed head is provided with an inclined guide angle.

[0011] Compared with the prior art, the folding vehicle dismounting wheel can increase the size of the paper box and the quantity of the cabinet, and the support shaft mechanism can be installed in the fixed mechanism and cooperated with the clamping mechanism during the installation of the support and the walking wheel, so that the support shaft mechanism, the support and the walking wheel can be quickly installed and replaced, the walking wheel can be conveniently replaced and maintained, and the walking wheel can be replaced according to different use scenes of the folding vehicle. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a perspective view structure schematic diagram of the utility model;

[0013] Figure 2 It is a fixed mechanism, support shaft mechanism and clamping mechanism connection structure schematic diagram of the utility model;

[0014] Figure 3 It is a support shaft mechanism perspective view structure schematic diagram of the utility model;

[0015] Figure 4 It is a fixed mechanism perspective view structure schematic diagram of the utility model;

[0016] Figure 5 It is a clamping mechanism perspective view structure schematic diagram of the utility model.

[0017] In the drawing: 1, support; 2, rotating shaft; 3, walking wheel; 4, support shaft mechanism; 5, fixed mechanism; 6, clamping mechanism; 7, connecting rod; 8, positioning rod; 9, fixed head; 10, clamping groove; 11, guide angle; 12, fixed shell; 13, guide groove; 14, compression spring; 15, clamping pin shaft; 16, button; 17, driving groove; 18, guide pipe; 19, pressing groove; 20, outer sleeve pipe. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present utility model will be clearly and completely described in the embodiments of the present utility model in combination with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of the present utility model.

[0019] Please refer to Figures 1-5 The present utility model provides a technical scheme: a folding car dismounting wheel, which comprises a support 1 and a sleeve pipe 20 connected with an external frame, a fixing mechanism 5 is fixedly connected inside the sleeve pipe 20, a rotating shaft 2 is rotatably connected to the support 1, a walking wheel 3 is fixedly installed outside the rotating shaft 2, a support shaft mechanism 4 is fixedly installed on the top of the support 1, the support shaft mechanism 4 is inserted into the inside of the fixing mechanism 5, and a clamping mechanism 6 is arranged on the fixing mechanism 5 to fix and dismount the support shaft mechanism 4 from the inside of the fixing mechanism 5.

[0020] The folding car dismounting wheel can reduce the size of the paper box and increase the cabinet loading capacity. When the support 1 and the walking wheel 3 are installed, the support shaft mechanism 4 can be installed in the inside of the fixing mechanism 5 and cooperated with the clamping mechanism 6. This arrangement can facilitate the quick installation and replacement of the support shaft mechanism 4, the support 1 and the walking wheel 3, thereby facilitating the replacement and maintenance of the walking wheel 3 and the quick replacement of the walking wheel 3 according to different use scenarios of the folding car.

[0021] Please refer to Figure 1 、 Figure 2 and Figure 3 The support shaft mechanism 4 comprises a connecting rod 7, a positioning rod 8, a fixing head 9 and a clamping groove 10, the connecting rod 7 is fixedly connected with the support 1, the positioning rod 8 is fixedly connected to the top of the connecting rod 7, the fixing head 9 is fixedly installed on the top of the positioning rod 8, and the clamping groove 10 is arranged between the positioning rod 8 and the fixing head 9.

[0022] The connecting rod 7 is fixedly connected with the support, the positioning rod 8 can be inserted into the inside of the fixing mechanism 5, and the clamping groove 10 arranged between the positioning rod 8 and the fixing head 9 can facilitate the locking between the connecting rod 7 and the positioning rod 8 by the clamping mechanism 6.

[0023] Please refer to Figure 1 、 Figure 3 、 Figure 4 and Figure 5The fixing mechanism 5 comprises a fixing shell 12, guide notches 13 and compression springs 14, the fixing shell 12 is provided with two groups of horizontally arranged guide notches 13, the fixing shell 12 is internally fixedly installed with compression springs 14, the top of the compression springs 14 is in contact with the bottom of the clamping mechanism 6, the clamping mechanism 6 comprises clamping pin shafts 15, buttons 16 and driving notches 17, the buttons 16 are slidingly installed in the fixing shell 12, the buttons 16 are provided with two groups of obliquely arranged driving notches 17, the fixing shell 12 is provided with the clamping pin shafts 15 at positions corresponding to the guide notches 13 and the driving notches 17.

[0024] When the positioning rod 8 is inserted into the fixing shell 12, the button 16 is pressed, the pressing of the button 16 can make the button 16 descend along the inside of the fixing shell 12, then the obliquely arranged driving notches 17 continuously descend, the clamping pin shafts 15 move outward along the obliquely arranged driving notches 17, and the clamping pin shafts 15 move outward along the guide notches 13, when the movement of the positioning rod 8 is completed, the button 16 is released, the compression springs 14 provide driving force, the clamping pin shafts 15 are inserted into the clamping grooves 10, so that the positioning rod 8 can be locked in the fixing shell 12, and when the positioning rod 8 needs to be disassembled, the button 16 is pressed again, the clamping pin shafts 15 are away from the inside of the clamping grooves 10, the support 1 and the walking wheel 3 are convenient to disassemble.

[0025] Please refer to Figure 1 and Figure 5 The bottom of the button 16 is fixedly connected with a guide pipe 18, the top of the button 16 is provided with a pressing groove 19, the guide pipe 18 can position the connecting rod 7 and the positioning rod 8, prevent the positioning rod 8 from being inserted and positionally deviated, and the pressing groove 19 can facilitate the pressing and descending of the button 16.

[0026] Please refer to Figure 1 , Figure 3 and Figure 5 The outside of the fixing head 9 is provided with an obliquely arranged guide angle 11, the outside of the fixing head 9 is provided with the obliquely arranged guide angle 11, which facilitates the insertion of the fixing head 9 into the guide pipe 18, and the outward movement of the clamping pin shafts 15, so that the clamping pin shafts 15 are more convenient to move into the clamping grooves 10.

[0027] In use, first, the folding vehicle dismounting wheel can reduce the size of the paper box and increase the cabinet quantity, and when the support 1 and the walking wheel 3 are installed, the support shaft mechanism 4 can be installed in the fixed mechanism 5 and matched with the clamping mechanism 6, which can facilitate the quick installation and replacement of the support shaft mechanism 4, the support 1 and the walking wheel 3, so as to facilitate the replacement and maintenance of the walking wheel 3, and the walking wheel 3 can be quickly replaced according to different use scenes of the folding vehicle, the connecting rod 7 is fixedly connected with the support, then the positioning rod 8 can be inserted into the fixed mechanism 5, then the clamping groove 10 between the positioning rod 8 and the fixed head 9 can facilitate the locking between the connecting rod 7 and the positioning rod 8 by the clamping mechanism 6, when the positioning rod 8 is inserted into the fixed shell 12, press the button 16, the pressing of the button 16 can make the button 16 descend along the inside of the fixed shell 12, then the inclined drive slot 17 continuously descends, makes the clamping pin shaft 15 move outward along the inclined drive slot 17, and makes the clamping pin shaft 15 move outward along the guide slot 13, when the positioning rod 8 moves, release the button 16, the compression spring 14 provides driving force, makes the clamping pin shaft 15 inserted into the clamping groove 10, so that the positioning rod 8 is locked in the fixed shell 12, and when the positioning rod 8 needs to be dismounted, the button 16 is pressed again to make the clamping pin shaft 15 away from the clamping groove 10, so that the support 1 and the walking wheel 3 can be dismounted.

[0028] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A folding bicycle detachable wheel, comprising a bracket (1) and an outer tube (20) connected to an external frame, wherein a fixing mechanism (5) is fixedly connected inside the outer tube (20), a rotating shaft (2) is rotatably connected to the bracket (1), and a traveling wheel (3) is fixedly mounted outside the rotating shaft (2), characterized in that: The top of the support (1) is fixedly provided with a support shaft mechanism (4), the support shaft mechanism (4) is inserted into the inside of a fixing mechanism (5), the fixing mechanism (5) is provided with a clamping mechanism (6) for fixing and dismounting the support shaft mechanism (4) from the inside of the fixing mechanism (5).

2. The wheel of claim 1, wherein: The support shaft mechanism (4) comprises a connecting rod (7), a positioning rod (8), a fixing head (9) and a clamping groove (10), the connecting rod (7) is fixedly connected with the support (1), the top of the connecting rod (7) is fixedly connected with the positioning rod (8), the top of the positioning rod (8) is fixedly provided with the fixing head (9), and the clamping groove (10) is arranged between the positioning rod (8) and the fixing head (9).

3. The wheel of claim 2, wherein: The fixing mechanism (5) comprises a fixing shell (12), a guide notch (13) and a compression spring (14), two groups of horizontally arranged guide notches (13) are formed in the fixing shell (12), the inside of the fixing shell (12) is fixedly provided with the compression spring (14), and the top of the compression spring (14) is in contact with the bottom of the clamping mechanism (6).

4. The wheel of claim 3, wherein: The clamping mechanism (6) comprises a clamping pin shaft (15), a button (16) and a driving notch (17), the button (16) is slidingly arranged in the inside of the fixing shell (12), two groups of obliquely arranged driving notches (17) are formed in the button (16), and the fixing shell (12) is provided with the clamping pin shaft (15) at positions corresponding to the guide notches (13) and the driving notches (17).

5. The wheel of claim 4, wherein: The bottom of the button (16) is fixedly connected with a guide pipe (18), and the top of the button (16) is provided with a pressing groove (19).

6. The wheel of claim 4, wherein: The outside of the fixing head (9) is provided with an obliquely arranged guide angle (11).

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