Portable maintenance tool for bicycle

Abstract

The utility model discloses a portable maintenance tool for a bicycle, which comprises a central rod, a seat head arranged at the front end of the central rod, a chain cutting head arranged at the rear end of the central rod, a U-shaped rotating head sleeved and clamped on the seat head, a bit holder welded at the end of the front end of the U-shaped rotating head, and two storage discs fixedly sleeved at the middle end of the central rod, a plurality of clamping blocks which are arranged at intervals are welded to the surfaces of the sides, away from each other, of the two storage discs, screwdriver bit containing grooves are formed between the adjacent clamping blocks, a U-shaped groove is formed in one side of the outer surface of the chain cutting head, the chain cutting base is arranged, a storage pipe is arranged among the center rod, the storage discs and the screwdriver bit clamping device in a sleeved mode, the storage pipe is in a torpedo shape, and one end of the storage pipe is in an open state. And the opening end of the storage tube is in threaded sleeve connection with the outer surface of the front end of the cutting chain head. According to the technical scheme, in the riding process, carrying is convenient, the weight is relatively light, and the extra load of a rider can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of maintenance tools, in particular to a portable maintenance tool for bicycles. Background Art

[0002] In the design process of modern bicycles, there are a large number of flat-head, cross-head, Phillips, star, square-head, hexagon-head, Y-head screws or bolts.

[0003] During cycling, when adjusting or temporarily repairing and maintaining the parts of a bicycle associated with such screws or bolts, based on the existing types of tools and meeting the above usage requirements, there are disadvantages that the tools take up too much storage space of the cyclist and are not convenient to carry. At the same time, too many tools will increase the extra load of the cyclist.

[0004] Based on the above, we have proposed a portable maintenance tool for bicycles. Content of the Utility Model

[0005] The purpose of the utility model is to solve the disadvantages existing in the prior art, and to propose a portable maintenance tool for bicycles.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A portable maintenance tool for bicycles includes a central rod. A seat head is provided at the front end of the central rod, and a chain cutter head is provided at the rear end of the central rod.

[0008] A U-shaped rotating head is sleeved and clamped on the seat head. The U-shaped rotating head is rotatably connected to the seat head through a pin shaft. A bit holder is welded to the end of the front end of the U-shaped rotating head.

[0009] Two storage disks are fixedly sleeved on the middle part of the central rod. A plurality of spaced clamping blocks are welded on the surfaces of the two storage disks away from each other. A bit placement groove is formed between adjacent clamping blocks.

[0010] On one side of the outer surface of the chain cutter head, a U-shaped groove is opened and set as a chain cutting seat. Positioning teeth are provided on the bottom surface of the chain cutting seat. A threaded through hole communicating with the chain cutting seat is opened at the center of the rear end face of the chain cutter head. A top rod is provided in the chain cutter head through the threaded through hole. The rear end of the top rod is threadedly connected to the chain cutter head through the threaded through hole, and the front end of the top rod extends into the chain cutting seat.

[0011] A storage tube is jointly sleeved between the central rod, the storage disks and the bit holder. The storage tube is torpedo-shaped and one end is in an open state. The open end of the storage tube is threadedly sleeved on the outer surface of the front end of the chain cutter head.

[0012] Preferably, the chain cutting head, the central rod, and the socket head are of an integral structure.

[0013] Preferably, a bit is placed in the bit placement groove, and the bit can be quickly disassembled and installed relative to the bit placement groove and the bit holder.

[0014] Preferably, a temporary placement groove is provided in a portion of the front side of the chain cutting seat that is aligned with the front end of the ejector rod.

[0015] Preferably, an inwardly concave expansion groove is provided on the rear end face of the chain cutting head.

[0016] A portable repair tool for a bicycle proposed by the present utility model has the beneficial effects that:

[0017] In the process of applying this technical solution, the corresponding bit can be selected and placed in the bit placement groove according to specific requirements. When ensuring that the U-shaped rotating head and the socket head are in the same direction, the storage tube can be sleeved to achieve the storage of the entire tool. In the storage state, the entire repair tool is beautiful and generous, and at the same time, the entire repair tool occupies a small space and is convenient to carry while riding; further, based on the fact that multiple bits meet the usage requirements, the weight of the entire tool is relatively light, avoiding the situation of increasing the extra load of the rider due to carrying traditional tools for usage requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a cross-sectional view of the storage tube of a portable repair tool for a bicycle proposed by the present utility model;

[0019] Figure 2 is a perspective view of a portable repair tool for a bicycle proposed by the present utility model;

[0020] Figure 3 is a schematic structural view of the socket head and the U-shaped rotating head being perpendicular to each other proposed by the present utility model;

[0021] Figure 4 is a cross-sectional view of the chain cutting seat of a portable repair tool for a bicycle proposed by the present utility model.

[0022] In the figure: central rod 1, socket head 2, U-shaped rotating head 3, bit holder 4, storage tray 5, clamping block 6, bit placement groove 7, chain cutting head 8, chain cutting seat 9, positioning teeth 10, threaded through hole 11, ejector rod 12, temporary placement groove 13, inwardly concave expansion groove 14, storage tube 15. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0024] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the present utility model.

[0025] Referring to Figures 1-4 , a portable repair tool for a bicycle, including a central rod 1. A seat head 2 is provided at the front end of the central rod 1, and a chain cutter head 8 is provided at the rear end of the central rod 1. The chain cutter head 8, the central rod 1, and the seat head 2 are of an integral structure. The design of the integral structure can enhance the strength of the main structure of the entire repair tool and extend its service life.

[0026] A U-shaped rotating head 3 is sleeved and clamped on the seat head 2. The U-shaped rotating head 3 is rotatably connected to the seat head 2 through a pin shaft, and a bit holder 4 is welded to the end of the front end of the U-shaped rotating head 3.

[0027] Two storage plates 5 are fixedly sleeved on the middle end of the central rod 1. A plurality of spaced clamping blocks 6 are welded on the surfaces of the two storage plates 5 on the sides away from each other. A bit placement groove 7 is formed between adjacent clamping blocks 6. A bit is placed in the bit placement groove 7. The bit can be quickly disassembled and installed relative to the bit placement groove 7 and the bit holder 4. During the specific use process, select the corresponding bit, remove it from the bit placement groove 7 and install it on the bit holder 4, and then you can hold the chain cutter seat 9 to perform the repair operation of screws or bolts. For screws or bolts that require enhanced force application, rotate the U-shaped rotating head 3 by 90 degrees and then perform the operation. It is simple and convenient to use.

[0028] On one side of the outer surface of the chain cutter head 8, a U-shaped groove is opened and set as a chain cutter seat 9. A positioning tooth 10 is provided on the bottom surface of the chain cutter seat 9. A threaded through hole 11 communicating with the chain cutter seat 9 is opened at the center of the rear end face of the chain cutter head 8. A top rod 12 is provided in the chain cutter head 8 through the threaded through hole 11. The rear end of the top rod 12 is threadedly connected to the chain cutter head 8 through the threaded through hole 11. The front end of the top rod 12 extends into the chain cutter seat 9. When repairing the chain, place the chain on the positioning tooth 10 for positioning, and further rotate the top rod 12 to cut or connect the chain, so the repair of the chain can be realized.

[0029] A temporary placement groove 13 is opened in the part of the front side of the chain cutter seat 9 that is aligned with the front end of the top rod 12. When cutting the chain, the chain connecting pin continuously pushed out by the front end of the top rod 12 can be temporarily pushed into the temporary placement groove 13.

[0030] A storage tube 15 is sleeved between the central rod 1, the storage tray 5 and the bit holder 4. The storage tube 15 is torpedo-shaped and has an open end. The open end of the storage tube 15 is threadedly sleeved on the outer surface of the front end of the chain cutting head 8.

[0031] An inward concave expansion groove 14 is formed on the rear end face of the chain cutting head 8. A tritium tube or a lighting device with a self-contained power supply can be inserted through the inward concave expansion groove 14 to expand the functionality of the entire tool.

[0032] In summary: During the application of the present utility model, corresponding bits are selected according to specific requirements and placed in the bit placement groove 7. With the U-shaped rotating head 3 and the socket head 2 in the same direction, the storage tube 15 is sleeved, so that the storage tube 15 and the chain cutting base 9 form an integral body, which realizes the storage of the entire tool and at the same time protects the internal bits; in the storage state, the entire maintenance tool is beautiful and generous, and the space occupied by the entire maintenance tool is small and it is convenient to carry while riding; further, based on the fact that multiple bits meet the usage requirements, the weight of the entire tool is relatively light, avoiding the situation of increasing the extra load of the rider caused by carrying traditional tools due to usage requirements.

[0033] The above is only a preferred specific embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent substitutions or changes, and should be covered within the protection scope of the present utility model.

Claims

1. A portable repair tool for a bicycle, comprising a central rod (1), characterized in that, A seat head (2) is provided at the front end of the central rod (1), and a chain cutting head (8) is provided at the rear end of the central rod (1); A U-shaped rotating head (3) is sleeved and clamped on the seat head (2). The U-shaped rotating head (3) is rotatably connected to the seat head (2) through a pin shaft, and a bit holder (4) is welded to the end of the front end of the U-shaped rotating head (3); Two receiving disks (5) are fixedly sleeved on the middle part of the central rod (1). A plurality of spaced blocks (6) are welded on the surfaces of the two receiving disks (5) on the sides away from each other. A bit placement groove (7) is formed between adjacent blocks (6); A U-shaped groove is formed on one side of the outer surface of the chain cutting head (8) and is set as a chain cutting seat (9). A positioning tooth (10) is provided on the bottom surface of the chain cutting seat (9). A threaded through hole (11) communicating with the chain cutting seat (9) is opened at the center of the rear end face of the chain cutting head (8). A top rod (12) is provided in the chain cutting head (8) through the threaded through hole (11). The rear end of the top rod (12) is threadedly connected to the chain cutting head (8) through the threaded through hole (11), and the front end of the top rod (12) extends into the chain cutting seat (9); A receiving tube (15) is sleeved together between the central rod (1), the receiving disk (5), and the bit holder (4). The receiving tube (15) is torpedo-shaped and one end is in an open state. The open end of the receiving tube (15) is threadedly sleeved on the outer surface of the front end of the chain cutting head (8).

2. The portable repair tool for a bicycle according to claim 1, characterized in that The chain cutting head (8), the central rod (1), and the seat head (2) are of an integral structure.

3. A portable repair tool for a bicycle according to claim 1, characterized in that A bit is placed in the bit placement groove (7), and the bit can be quickly disassembled and installed relative to the bit placement groove (7) and the bit holder (4).

4. A portable repair tool for a bicycle according to claim 1, wherein A temporary placement groove (13) is opened at the front side of the chain cutting seat (9) and aligned with the front end of the top rod (12).

5. A portable repair tool for a bicycle according to claim 1, characterized in that, An inward concave expansion groove (14) is opened at the rear end face of the chain cutting head (8).

Images