Bicycle rim convenient to disassemble

Abstract

The bicycle rim convenient to disassemble comprises a rim body, a connecting mechanism is arranged on the rim body, the connecting mechanism comprises an installation block, an installation groove, a fixing rod, a clamping rod, a clamping sleeve, an inclined groove, an inclined block, a clamping block, a clamping groove, a push ring and a limiting mechanism, the installation block is arranged on the inner side of the rim body, and the fixing rod is arranged on the installation groove. The top ends of the fixing rods are arranged in the multiple sets of mounting grooves, the clamping rods are installed at the bottom ends of the multiple sets of fixing rods, the multiple sets of clamping sleeves are distributed on the inner side of the rim body, the multiple sets of inclined grooves are distributed on the inner sides of the clamping sleeves, the inclined blocks slide in the multiple sets of inclined grooves, and the clamping blocks are installed on the inner sides of the multiple sets of inclined blocks. The clamping groove is formed in the outer wall of the clamping rod, the push ring is installed in the clamping sleeve in a sliding mode, and a screwing mechanism is arranged on the rim body, so that the installation process of the rim is simple and visual, an operator only needs to insert the fixing rod into the installation groove, then preliminary connection can be completed through sliding of the push ring, and the installation steps are greatly simplified.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of bicycle rim, more specifically, it relates to a bicycle rim convenient to disassemble. BACKGROUND

[0002] In daily life, as an important traffic tool, the maintenance of bicycle is the key to ensure safe riding, however, the traditional bicycle rim needs to use professional tools to disassemble when replacing or repairing the tire, which is complicated and time-consuming, and it brings great inconvenience to ordinary users.

[0003] Most of the existing bicycle rims adopt integral structure design, and the connection between the rim and the hub is relatively fixed, when the rim is damaged or needs to replace the tire, the disassembly process is complex, which not only increases the maintenance time, but also easily causes the damage of parts, which seriously affects the daily use and maintenance efficiency of the bicycle. UTILITY MODEL CONTENTS

[0004] (I) technical problem solved

[0005] In view of the problems in the prior art, the utility model provides a bicycle rim convenient to disassemble to solve the technical problem of complex disassembly process mentioned in the background art.

[0006] (II) technical scheme

[0007] In order to achieve the above purpose, the utility model provides the following technical scheme: a bicycle rim convenient to disassemble, which comprises a rim body, a connecting mechanism is arranged on the rim body, the connecting mechanism comprises a mounting block, a mounting groove, a fixing rod, a clamping rod, a clamping sleeve, an inclined groove, an inclined block, a clamping block, a clamping groove, a push ring and a limiting mechanism, the mounting block is arranged on the inner side of the rim body, the mounting groove is provided with a plurality of groups distributed on the outer side of the mounting block, the top end of the fixing rod is arranged in the mounting groove, the clamping rod is installed at the bottom end of the fixing rod, the clamping sleeve is provided with a plurality of groups distributed on the inner side of the rim body, the inclined groove is provided with a plurality of groups distributed on the inner side of the clamping sleeve, the inclined block slides in the inclined groove, the clamping block is installed on the inner side of the inclined block, the clamping groove is arranged on the outer wall of the clamping rod, and the push ring is slidingly installed in the clamping sleeve, a screwing mechanism is arranged on the rim body, the screwing mechanism comprises a screw rod, a bevel gear, a bevel gear ring, a guide ring and a guide groove, the screw rod is installed on the top surface of the clamping sleeve, the bevel gear is threadedly connected on the outer wall of the screw rod and is rotationally connected with the rim body, the bevel gear ring is engaged with the bevel gear, the guide ring is installed on the outer side of the bevel gear ring, and the guide groove is arranged on the inner side of the rim body and is slidingly connected with the guide ring.

[0008] The utility model further sets up, a plurality of fixed rod top all install top block, a plurality of top block is engaged in a plurality of installation groove, through the engagement design of top block and installation groove, has strengthened the initial positioning ability of wheel rim, has improved installation accuracy and stability.

[0009] The utility model further sets up, a plurality of joint rod all set up as polygon and respectively with a plurality of joint sleeve inner wall adaptation, polygon structure prevents joint rod in joint sleeve occurs relative rotation, ensures the reliability and directivity of connection.

[0010] The utility model further sets up, the bevel gear ring inboard is equipped with support disc, be equipped with handle on the support disc, handle is provided with a plurality of rotation installation in support disc, a plurality of handle's design provides the convenient operation mode, makes the process of screwing more labor-saving, operation is more flexible.

[0011] The utility model further sets up, the installation block is installed and is equipped with central axis, central axis is connected with outside bicycle frame, realizes the stable connection of wheel rim and frame through the design of central axis, guarantees the reliability of overall structure.

[0012] The utility model further sets up, a plurality of card slot bottom all are equipped with inclined plane, and the inclined plane design is convenient for the guidance and separation of card block, improves the smoothness and convenience of assembly and disassembly.

[0013] The utility model further sets up, the limiting mechanism includes sleeve, guide plate, lock block, connecting plate and tension spring, the sleeve is provided with a plurality of installation in the push ring outside, the guide plate is provided with a plurality of installation in the outer wall of joint sleeve, the lock block is provided with a plurality of sliding installations on the guide plate, the connecting plate is installed on two lock block top surfaces, and the tension spring is provided with a plurality of and both ends are connected with guide plate and connecting plate, and the overall design improves the mounting efficiency of wheel rim.

[0014] The utility model further sets up, and the connecting plate is connected and is equipped with pull rod on two, realizes the quick operation of limiting mechanism through the design of pull rod, and the locking and unlocking process is more simple and intuitive.

[0015] (Three) beneficial effects

[0016] Compared with the prior art, the utility model provides a bicycle wheel rim convenient to disassemble, has the following beneficial effects:

[0017] 1, the combination design of installation block, fixed rod and joint rod is adopted in connecting mechanism, and the sliding fit structure of inclined groove, inclined block and card block is matched, so that the mounting process of wheel rim is simple and intuitive, and the operator only needs to insert the fixed rod into the installation groove, and then the preliminary connection can be completed by sliding the push ring, so that the installation steps are greatly simplified.

[0018] 2. The tightening mechanism achieves precise fastening of the rim by engaging the bevel gear with the bevel ring through the throttle, combined with the cooperation of the screw and the snap-fit ​​sleeve. The sliding of the guide ring in the guide groove ensures the smoothness of the rotation process, making the rim connection more reliable and stable.

[0019] 3. The limiting mechanism adopts a combination of a sleeve, guide plate and locking block. The elastic force provided by the tension spring realizes the automatic locking function. Combined with the operation of the pull rod, it not only ensures the stability of the push ring position, but also facilitates quick unlocking. The overall design not only improves the installation efficiency of the rim, but also ensures the safety and reliability during use, and perfectly solves the technical problem of inconvenient disassembly and assembly of traditional rims. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of a bicycle rim that is easy to disassemble according to this utility model;

[0021] Figure 2 This is a partial structural diagram of the mounting block in this utility model;

[0022] Figure 3 This is a partial structural diagram of the connecting mechanism in this utility model;

[0023] Figure 4 This is a schematic diagram of the disassembled structure of the connecting mechanism in this utility model;

[0024] Figure 5 This is a schematic diagram of the limiting mechanism in this utility model;

[0025] Figure 6 This is a schematic diagram of the tightening mechanism in this utility model.

[0026] In the diagram: 1. Wheel body; 2. Mounting block; 3. Mounting groove; 4. Fixing rod; 5. Snap-fit ​​rod; 6. Snap-fit ​​sleeve; 7. Slant groove; 8. Slant block; 9. Snap-fit ​​block; 10. Snap-fit ​​groove; 11. Push ring; 12. Screw; 13. Bevel gear; 14. Top block; 15. Support plate; 16. Throttle; 17. Center shaft; 18. Snap-fit ​​sleeve; 19. Guide plate; 20. Locking block; 21. Connecting plate; 22. Tension spring; 23. Pull rod; 40. Bevel gear ring; 41. Guide ring; 42. Guide groove. Detailed Implementation

[0027] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0028] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0029] In the utility model, in the case where no opposite statement is made, the orientation such as "upper, lower" is usually for the direction shown in the drawing, or for the vertical, perpendicular or gravity direction; similarly, for the convenience of understanding and description, "left, right" is usually for the left and right shown in the drawing; "inner, outer" refers to the inner and outer relative to the contour of each component itself, but the above orientation words are not used to limit the utility model.

[0030] Please refer to Figures 1-6 A detachable bicycle rim, comprising a rim body 1, a connecting mechanism is arranged on the rim body 1, the connecting mechanism comprises a mounting block 2, a mounting groove 3, a fixed rod 4, a clamping rod 5, a clamping sleeve 6, an inclined groove 7, an inclined block 8, a clamping block 9, a clamping groove 10, a push ring 11 and a limiting mechanism, the mounting block 2 is arranged on the inner side of the rim body 1, the mounting groove 3 is arranged with a plurality of groups distributed on the outer side of the mounting block 2, the top end of the fixed rod 4 is arranged in a plurality of groups of the mounting groove 3, the clamping rod 5 is installed at the bottom end of a plurality of fixed rods 4, the clamping sleeve 6 is arranged with a plurality of groups distributed on the inner side of the rim body 1, the inclined groove 7 is arranged with a plurality of groups distributed on the inner side of the clamping sleeve 6, the inclined block 8 slides in a plurality of groups of the inclined groove 7, the clamping block 9 is installed on the inner side of a plurality of inclined blocks 8, the clamping groove 10 is arranged on the outer wall of the clamping rod 5, the push ring 11 is slidingly installed in the clamping sleeve 6, a screwing mechanism is arranged on the rim body 1, the screwing mechanism comprises a screw rod 12, a bevel gear 13, a bevel gear ring 40, a guide ring 41 and a guide groove 42, the screw rod 12 is installed on the top surface of a plurality of clamping sleeves 6, the bevel gear 13 is threadedly connected to the outer wall of a plurality of screw rods 12 and is rotationally connected with the rim body 1, the bevel gear ring 40 is engaged with a plurality of bevel gears 13, the guide ring 41 is installed on the outer side of the bevel gear ring 40, and the guide groove 42 is arranged on the inner side of the rim body 1 and is slidingly connected with the guide ring 41.

[0031] A plurality of top blocks 14 are arranged at the top end of a plurality of fixed rods 4, and the plurality of top blocks 14 are clamped in a plurality of groups of the mounting groove 3.

[0032] A plurality of clamping rods 5 are arranged in a polygonal shape and are respectively matched with the inner walls of a plurality of clamping sleeves 6.

[0033] A support disc 15 is connected to the inner side of the bevel gear ring 40, a handle 16 is arranged on the support disc 15, and the handle 16 is arranged with a plurality of groups of rotationally installed on the support disc 15.

[0034] A central shaft 17 is installed on the mounting block 2, and the central shaft 17 is connected with an external bicycle frame.

[0035] An inclined surface is arranged on the bottom surface of a plurality of clamping grooves 10.

[0036] When the wheel rim needs to be installed, the central shaft 17 is connected with the outer bicycle frame, then the top block 14 at the top end of the fixing rod 4 is clamped in the installation slot 3, then the clamping rod 5 at the bottom end of the fixing rod 4 is clamped in the clamping slot 10, the push ring 11 is pushed to apply a pushing force to the bottom surface of the plurality of inclined blocks 8, so that the plurality of inclined blocks 8 are pushed to slide along the inclined slot 7 and drive the clamping block 9 to be clamped in the clamping slot 10, then the limiting mechanism is used to limit and fix the push ring 11, the connection between the wheel rim body 1 and the installation block 2 is completed, then the handle 16 is twisted, the bevel gear ring 40 is driven to rotate through the supporting disc 15, the bevel gear ring 40 is slidably connected with the guide groove 42 through the guide ring 41, so that the bevel gear ring 40 rotates along the wheel rim body 1 and is in meshing transmission with the plurality of bevel gears 13, the screw rod 12 moves along the bevel gear 13 through the threaded connection between the bevel gear 13 and the screw rod 12, the clamping sleeve 6 is pulled by the screw rod 12, the clamping rod 5 is pulled tightly with the fixing rod 4 by the clamping sleeve 6, and the wheel rim body 1 is tightly fixed. When the wheel rim body 1 needs to be disassembled, the handle 16 is rotated in the opposite direction to drive the bevel gear ring 40 to rotate through the supporting disc 15, the screw rod 12 is driven to push the clamping block 9 to release the tension of the fixing rod 4 through meshing transmission with the plurality of bevel gears 13, then the limiting mechanism is used to fix the push ring 11, the push ring 11 releases the abutment of the bottom surface of the plurality of inclined blocks 8, then the clamping rod 5 can be pulled out of the clamping sleeve 6, the top block 14 at the top end of the fixing rod 4 can be moved out of the installation slot 3, and the wheel rim body 1 is disassembled.

[0037] Please refer to Figures 4-5 , as an embodiment of the limiting mechanism: the limiting mechanism comprises a clamping sleeve 18, a guide plate 19, a lock block 20, a connecting plate 21 and a tension spring 22, the clamping sleeve 18 is provided with a plurality of installation outside the push ring 11, the guide plate 19 is provided with a plurality of installation outside the clamping sleeve 6, the lock block 20 is provided with a plurality of sliding installation on the guide plate 19, the connecting plate 21 is installed on the top surface of the two lock blocks 20, and the tension spring 22 is provided with a plurality of ends connected with the guide plate 19 and the connecting plate 21.

[0038] The two connecting plates 21 are connected with a pull rod 23.

[0039] More specifically, the two connecting plates 21 are pulled by the pull rod 23 and stretched with the plurality of tension springs 22, the two lock blocks 20 are driven to slide outward to leave a sliding space for the clamping sleeve 18, the clamping sleeve 18 is moved when the push ring 11 slides, the pull rod 23 is released when the push ring 11 completely abuts against the plurality of inclined blocks 8, the connecting plate 21 is pulled back to the original position by the elastic reset of the plurality of tension springs 22, and the lock block is clamped in the clamping sleeve 18, the position of the push ring 11 is locked, and the clamping sleeve 18 is unlocked by pulling the pull rod 23 again.

[0040] In summary, when the wheel rim needs to be installed, the central shaft 17 is connected with the bicycle frame, the top block 14 at the top end of the fixing rod 4 is clamped in the installation groove 3, the clamping rod 5 at the bottom end of the fixing rod 4 is clamped in the clamping groove 10, the push ring 11 is pushed to exert a pushing force on the bottom surface of the plurality of inclined blocks 8, thereby pushing the plurality of inclined blocks 8 to slide along the inclined groove 7 and drive the clamping block 9 to be clamped in the clamping groove 10, then the limiting mechanism is used to limit and fix the push ring 11, the connection between the wheel rim body 1 and the installation block 2 is completed, then the handlebar 16 is twisted, the bevel gear ring 40 is driven to rotate by the supporting disc 15, the bevel gear ring 40 is slidably connected with the guide groove 42 through the guide ring 41, so that the bevel gear ring 40 rotates along the wheel rim body 1 and is engaged with the plurality of bevel gears 13 for transmission, the screw rod 12 moves along the bevel gear 13 through the threaded connection between the bevel gear 13 and the screw rod 12, the screw rod 12 pulls the clamping sleeve 6, the clamping sleeve 6 pulls the clamping rod 5 to be tensioned with the fixing rod 4, and the wheel rim body 1 is tightly fixed, when the wheel rim body 1 needs to be disassembled, the handlebar 16 is reversely rotated to drive the bevel gear ring 40 to rotate through the supporting disc 15, the screw rod 12 is driven to push the clamping block 9 to release the tension of the fixing rod 4 through the engagement transmission with the plurality of bevel gears 13, then the limiting mechanism is released to fix the push ring 11, the push ring 11 releases the abutment on the bottom surface of the plurality of inclined blocks 8, then the clamping rod 5 can be pulled out of the clamping sleeve 6, the top block 14 at the top end of the fixing rod 4 can be moved out of the installation groove 3, and the wheel rim body 1 is disassembled.

[0041] The two connecting plates 21 are pulled by the pull rod 23, the plurality of tension springs 22 are stretched, the two sets of lock blocks 20 are driven to slide outward to leave the sliding space of the clamping sleeve 18, the clamping sleeve 18 is moved when the push ring 11 slides, the pull rod 23 is released when the push ring 11 completely abuts against the plurality of inclined blocks 8, the connecting plate 21 is reset through the elastic reset of the plurality of tension springs 22, and the lock block is pushed to be clamped in the clamping sleeve 18, the position of the push ring 11 is locked, and the clamping sleeve 18 is unlocked by pulling the pull rod 23 again.

[0042] In all the schemes mentioned above, the connection between two components can be selected according to actual conditions, such as welding, bolt and nut connection, bolt or screw connection or other known connection modes, which will not be described one by one, and welding is preferred for the fixed connection in the above description. Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A detachable bicycle rim, comprising a rim body (1), characterized in that: The connecting mechanism is provided on the rim body (1), and comprises a mounting block (2), a mounting groove (3), a fixing rod (4), a clamping rod (5), a clamping sleeve (6), an inclined groove (7), an inclined block (8), a clamping block (9), a clamping groove (10), a push ring (11) and a limiting mechanism. The mounting block (2) is arranged on the inner side of the rim body (1). The mounting groove (3) is arranged in multiple groups and distributed on the outer side of the mounting block (2). The top end of the fixing rod (4) is arranged in the multiple groups of mounting grooves (3). The clamping rod (5) is arranged at the bottom end of the multiple groups of fixing rods (4). The clamping sleeve (6) is arranged in multiple groups and distributed on the inner side of the rim body (1). The inclined groove (7) is arranged in multiple groups and distributed on the inner side of the clamping sleeve (6). The inclined block (8) is slidably arranged in the multiple groups of inclined grooves (7). The clamping block (9) is arranged on the inner side of the multiple groups of inclined blocks (8). The clamping groove (10) is arranged on the outer wall of the clamping rod (5). The push ring (11) is slidably arranged in the clamping sleeve (6). The rim body (1) is provided with a screwing mechanism, which comprises a screw rod (12), a bevel gear (13), a bevel gear ring (40), a guide ring (41) and a guide groove (42). The screw rod (12) is arranged on the top surface of the multiple groups of clamping sleeves (6). The bevel gear (13) is threadedly connected to the outer wall of the multiple groups of screw rods (12) and rotatably connected to the rim body (1). The bevel gear ring (40) is engaged with the multiple groups of bevel gears (13). The guide ring (41) is arranged on the outer side of the bevel gear ring (40). The guide groove (42) is arranged on the inner side of the rim body (1) and slidably connected with the guide ring (41).

2. A bicycle wheel rim according to claim 1, wherein the plurality of sets of spokes are arranged in a plurality of groups. The top end of the fixing rod (4) is provided with a top block (14), and the multiple groups of top blocks (14) are clamped in the multiple groups of mounting grooves (3).

3. A bicycle wheel rim according to claim 2 wherein the plurality of groups of spokes are arranged in a plurality of sets of groups of spokes. The clamping rod (5) is polygonal and is matched with the inner walls of the multiple groups of clamping sleeves (6) respectively.

4. A bicycle wheel rim according to claim 3, wherein: The inner side of the bevel gear ring (40) is connected with a support disc (15), the support disc (15) is provided with a handle (16), and the handle (16) is arranged in multiple groups and rotatably arranged on the support disc (15).

5. A bicycle wheel rim according to claim 4, wherein: The mounting block (2) is provided with a central shaft (17), and the central shaft (17) is connected with an external bicycle frame.

6. A bicycle wheel rim according to claim 5, wherein: The bottom surface of the clamping groove (10) is provided with an inclined surface.

7. A bicycle wheel rim according to claim 6, wherein: The limiting mechanism comprises a clamping sleeve (18), a guide plate (19), a lock block (20), a connecting plate (21) and a tension spring (22). The clamping sleeve (18) is arranged in multiple groups and arranged on the outer side of the push ring (11). The guide plate (19) is arranged in multiple groups and arranged on the outer wall of the clamping sleeve (6). The lock block (20) is arranged in multiple groups and slidably arranged on the guide plate (19). The connecting plate (21) is arranged on the top surface of the two groups of lock blocks (20). The tension spring (22) is arranged in multiple groups and connected with the guide plate (19) and the connecting plate (21) at both ends.

8. A bicycle wheel rim according to claim 7, wherein: The two groups of connecting plates (21) are connected with a pull rod (23).

Images