A bicycle barrel axle front fork locking structure

Abstract

The utility model discloses a locking structure for a bicycle barrel axle front fork, comprising a mounting seat and a fixing mechanism; the middle part of the front end of the mounting seat is rotatably connected with a fixing rod through a bearing, the middle part of the front end of the fixing rod is provided with a plug hole, and the interior of the fixing rod is rotatably connected with a mounting cylinder through a bearing; the fixing mechanism comprises a fixing seat and a limiting rod, the fixing seats are respectively arranged at the front side of the outer arc surface of the fixing rod, the fixing grooves arranged at one end of the fixing seat away from the inner center of the fixing rod are rotatably connected with the limiting rod through a pin shaft, the rear end of the limiting rod is provided with an adjustment groove, and the fixing mechanism also comprises a sliding column, an adjustment rod and a connecting plate. The utility model can install and fix the bicycle barrel axle front fork through the limiting rod, replacing the traditional method of installing and fixing it through the matching arrangement of locking washers and locking blocks, and is simple to maintain and convenient to install and disassemble.

Description

Technical Field

[0001] The utility model relates to the technical field of bicycle parts, in particular to a bicycle front fork, in particular to a bicycle barrel axle front fork locking structure. Background Art

[0002] The bicycle front fork component is located in the front part of the bicycle structure. Its upper end is connected to the handlebar component, the frame component cooperates with the front tube, and the lower end cooperates with the front axle component to form the bicycle's guide system. Compared with the quick-release front fork, the tube-axle front fork has higher strength and stability, can better withstand impact and vibration, and improve riding safety and comfort.

[0003] Bicycle tube axle front forks are usually installed and fixed using a bicycle tube axle front fork locking structure. The bicycle tube axle front fork locking structure generally refers to the connecting device between the front fork and the frame head tube. This structure is usually composed of locking washers, locking blocks and other components, and is used to fix the front fork on the frame head tube to ensure the stability and safety of the front fork.

[0004] Although the existing bicycle barrel axle front fork locking structure can be installed and fixed by the matching arrangement of locking washers and locking blocks, the installation and disassembly are relatively complicated, and the precision of the parts is also too high. Some bicycle barrel axle front fork locking structures are provided with pin holes on the frame and the front fork, and then the front fork is fixed by inserting the pin. Although this structure is easy to install and disassemble and the fixation is stable, the pin is easy to lose. Therefore, a bicycle barrel axle front fork locking structure is proposed. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the existing defects and provide a bicycle tube axle front fork locking structure. Through the cooperation of the push rod sliding column and the top block, the position of the limit rod can be adjusted, so that the limit rod can be installed and fixed to the bicycle tube axle front fork, instead of the traditional way of installing and fixing it through the cooperation of parts such as locking washers and locking blocks. The utility model is simple to maintain and convenient to install and disassemble, which can effectively solve the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bicycle barrel axle front fork locking structure, comprising a mounting seat and a fixing mechanism;

[0007] The middle part of the front end of the mounting seat is rotatably connected to a fixing rod via a bearing, the middle part of the front end of the fixing rod is provided with a plug hole, and the inside of the fixing rod is rotatably connected to a mounting cylinder via a bearing;

[0008] The fixing mechanism includes a fixing seat and a limiting rod. The fixing seats are respectively arranged on the front side of the outer arc surface of the fixing rod. The fixing grooves arranged at one end of the fixing seat away from the inner center of the fixing rod are rotatably connected to the limiting rod through a pin shaft, and the rear ends of the limiting rods are provided with adjustment grooves.

[0009] Furthermore, the fixing mechanism also includes a sliding column, an adjusting rod and a connecting plate. The sliding column is respectively slidably connected to the installation groove set in the middle part of the outer arc surface of the fixing rod. The end of the sliding column close to the inner center of the fixing rod is provided with a connecting plate, and the end of the sliding column away from the inner center of the fixing rod is provided with an adjusting rod. The adjusting rods are respectively located in the vertically adjacent adjustment grooves, and the bicycle tube axle front fork can be installed and fixed through the limit rod.

[0010] Furthermore, the fixing mechanism also includes a mounting ring and a top block. The mounting ring is arranged in the middle of the outer arc surface of the mounting tube. A top block is arranged in the middle of the outer arc surface of the mounting ring. The outer arc surface of the top block is respectively in contact with one end of the vertically adjacent connecting plate close to the inner center of the fixing rod, and the position of the limit rod can be adjusted by the sliding column.

[0011] Furthermore, the fixing mechanism also includes a return spring, which is respectively arranged between one end of the connecting plate away from the inner center of the fixing rod and the inner wall of the fixing rod. The return spring is sleeved on the outside of the inner side of the sliding column and can drive the limit rod to move and reset.

[0012] Furthermore, it also includes a push rod and an adjustment plate, wherein the push rod is arranged on the right side of the outer arc surface of the mounting tube, the push rod is located on the rear side of the mounting ring, the push rod is located in an avoidance groove arranged on the rear side of the outer arc surface of the fixing rod, and the adjustment plate is arranged at the right end of the push rod, so that the position of the top block can be adjusted through the mounting tube.

[0013] Furthermore, it also includes a chuck, a column, a baffle and a spring. The chuck is arranged on the rear side of the outer arc surface of the installation cylinder. The chuck is located on the rear side of the push rod. A slot is arranged in the middle of the outer arc surface of the chuck. The column is slidably connected with a sliding groove arranged on the upper side of the outer arc surface of the fixed rod. The slots are installed in cooperation with the column. The baffle is arranged at the upper end of the column. The spring is arranged between the lower end of the baffle and the upper side of the outer arc surface of the fixed rod. The spring is sleeved on the outside of the upper side of the column to lock and fix the limit rod.

[0014] Furthermore, it also includes a rubber pad, which is arranged at the front end of the fixing rod. The rubber pad can reduce the vibration of the vehicle body and prevent the connection between the fixing rod and the external device from being damaged due to the vibration.

[0015] Compared with the prior art, the beneficial effect of the utility model is that the position of the limit rod can be adjusted through the coordinated setting of the push rod slide column and the top block, so that the limit rod can be installed and fixed to the bicycle tube axle front fork, replacing the traditional method of installing and fixing it through the coordinated setting of components such as locking washers and locking blocks, which is simple to maintain and convenient to install and disassemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the fixing mechanism of the utility model.

[0018] In the figure: 1 mounting seat, 2 fixing rod, 3 plug hole, 4 mounting cylinder, 5 fixing mechanism, 51 fixing seat, 52 limiting rod, 53 sliding column, 54 adjusting rod, 55 connecting plate, 56 mounting ring, 57 top block, 58 return spring, 6 push rod, 7 adjusting plate, 8 chuck, 9 plug column, 10 baffle, 11 spring, 12 rubber pad. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-2 The present embodiment provides a technical solution: a bicycle tube axle front fork locking structure, comprising a mounting seat 1 and a fixing mechanism 5; a fixing rod 2 is rotatably connected to the middle part of the front end of the mounting seat 1 through a bearing, a socket 3 is provided in the middle part of the front end of the fixing rod 2, and a mounting tube 4 is rotatably connected to the inside of the fixing rod 2 through a bearing.

[0021] The fixing mechanism 5 includes a fixing seat 51 and a limiting rod 52. The fixing seat 51 is respectively arranged on the front side of the outer arc surface of the fixing rod 2. The fixing seat 51 is arranged at one end away from the inner center of the fixing rod 2. The fixing groove is rotatably connected to the limiting rod 52 through a pin shaft. The rear end of the limiting rod 52 is provided with an adjustment groove. The fixing mechanism 5 also includes a sliding column 53, an adjustment rod 54 and a connecting plate 55. The sliding column 53 is respectively slidably connected to the installation groove arranged in the middle part of the outer arc surface of the fixing rod 2. The end of the sliding column 53 close to the inner center of the fixing rod 2 is provided with a connecting plate 55. The end of the sliding column 53 away from the inner center of the fixing rod 2 is provided with a An adjusting rod 54 is provided, and the adjusting rod 54 is respectively located inside the vertically adjacent adjusting grooves; the fixing mechanism 5 also includes a mounting ring 56 and a top block 57, the mounting ring 56 is arranged in the middle of the outer arc surface of the mounting tube 4, and the middle of the outer arc surface of the mounting ring 56 is provided with a top block 57, and the outer arc surface of the top block 57 is respectively in contact with one end of the vertically adjacent connecting plate 55 close to the inner center of the fixing rod 2; the fixing mechanism 5 also includes a return spring 58, and the return spring 58 is respectively arranged between one end of the connecting plate 55 away from the inner center of the fixing rod 2 and the inner wall of the fixing rod 2, and the return spring 58 is sleeved on the outside of the inner side of the sliding column 53.

[0022] Wherein: it also includes a push rod 6 and an adjustment plate 7, the push rod 6 is arranged on the right side of the outer arc surface of the installation tube 4, the push rod 6 is located on the rear side of the installation ring 56, the push rod 6 is located in the avoidance groove arranged on the rear side of the outer arc surface of the fixed rod 2, and the adjustment plate 7 is arranged at the right end of the push rod 6. Then the operator pushes the adjustment plate 7, and the adjustment plate 7 drives the installation tube 4 to rotate through the push rod 6, and the installation tube 4 drives the top block 57 to rotate through the installation ring 56. During the rotation of the top block 57, the connecting plate 55 is subjected to the thrust of the top block 57 and begins to drive the sliding column 53 to move toward the end away from the inner center of the fixed rod 2.

[0023] Among them: it also includes a chuck 8, a column 9, a baffle 10 and a spring 11. The chuck 8 is arranged on the rear side of the outer arc surface of the installation cylinder 4, and the chuck 8 is located on the rear side of the push rod 6. A slot is arranged in the middle part of the outer arc surface of the chuck 8. The column 9 is slidably connected with the sliding groove arranged on the upper side of the outer arc surface of the fixed rod 2, and the slots are installed in cooperation with the column 9. The baffle 10 is arranged at the upper end of the column 9, and the spring 11 is arranged between the lower end of the baffle 10 and the upper side of the outer arc surface of the fixed rod 2, and the spring 11 is sleeved on the outside of the upper side of the column 9.

[0024] Wherein: it also includes a rubber pad 12, which is arranged at the front end of the fixing rod 2, and the rubber pad 12 can reduce the vibration of the vehicle body and prevent the connection between the fixing rod 2 and the external device from being damaged due to the vibration.

[0025] The working principle of the utility model is as follows:

[0026] Before use, move the bicycle barrel axle front fork locking structure to a designated work location, fix the mounting seat 1 on the upper side of the corresponding frame head tube, and then insert the bicycle barrel axle front fork into the frame head tube;

[0027] Then, it passes through the insertion hole 3 and extends to the outside of the fixing rod 2, and then the baffle 10 is pulled outward, and the baffle 10 drives the plug post 9 to move, so that the plug post 9 is separated from the slot, and the spring 11 extends;

[0028] Then the operator pushes the adjusting plate 7, and the adjusting plate 7 drives the installation cylinder 4 to rotate through the push rod 6, and the installation cylinder 4 drives the top block 57 to rotate through the installation ring 56. During the rotation of the top block 57, the connecting plate 55 receives the thrust of the top block 57 and starts to drive the sliding column 53 to move toward the end away from the inner center of the fixing rod 2, and the return spring 58 contracts. At this time, the adjusting rod 54 slides inside the adjusting groove and rotates relative to the adjusting groove, so that the sliding column 53 drives the limiting rod 52 to rotate toward the end close to the inner center of the fixing rod 2 through the adjusting rod 54, so that the limiting rod 52 contacts the outer surface of the barrel axle front fork, thereby realizing the installation and fixation of the barrel axle front fork of the bicycle;

[0029] Then, the baffle plate 10 is released, and the tension generated by the contraction of the spring 11 pushes the baffle plate 10 to move and reset the plug post 9, so that the plug post 9 is re-engaged with one of the slots set in the middle of the outer arc surface of the chuck 8, thereby locking and fixing the limit rod 52.

[0030] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A bicycle barrel axle front fork locking structure, characterized in that: It comprises a mounting seat (1) and a fixing mechanism (5); The middle part of the front end of the mounting seat (1) is rotatably connected to a fixing rod (2) via a bearing, a plug hole (3) is provided in the middle part of the front end of the fixing rod (2), and a mounting cylinder (4) is rotatably connected inside the fixing rod (2) via a bearing; The fixing mechanism (5) comprises a fixing seat (51) and a limiting rod (52), wherein the fixing seat (51) is respectively arranged on the front side of the outer arc surface of the fixing rod (2), and the fixing groove arranged at one end of the fixing seat (51) away from the inner center of the fixing rod (2) is rotatably connected to the limiting rod (52) via a pin shaft, and the rear end of the limiting rod (52) is provided with an adjustment groove.

2. The bicycle barrel axle front fork locking structure according to claim 1, characterized in that: The fixing mechanism (5) further comprises a sliding column (53), an adjusting rod (54) and a connecting plate (55); the sliding column (53) is respectively slidably connected to a mounting groove arranged in the middle of the outer arc surface of the fixing rod (2); the connecting plate (55) is arranged at one end of the sliding column (53) close to the inner center of the fixing rod (2); the adjusting rod (54) is arranged at one end of the sliding column (53) away from the inner center of the fixing rod (2); and the adjusting rod (54) is respectively located inside the vertically adjacent adjusting grooves.

3. The bicycle barrel axle front fork locking structure according to claim 2, characterized in that: The fixing mechanism (5) further comprises a mounting ring (56) and a top block (57). The mounting ring (56) is arranged at the middle of the outer arc surface of the mounting tube (4). The middle of the outer arc surface of the mounting ring (56) is provided with a top block (57). The outer arc surface of the top block (57) is respectively in contact with one end of the vertically adjacent connecting plate (55) close to the inner center of the fixing rod (2).

4. The bicycle barrel axle front fork locking structure according to claim 2, characterized in that: The fixing mechanism (5) further comprises a return spring (58), wherein the return spring (58) is respectively arranged between an end of the connecting plate (55) away from the inner center of the fixing rod (2) and the inner wall of the fixing rod (2), and the return spring (58) is sleeved on the outside of the inner side of the sliding column (53).

5. The bicycle barrel axle front fork locking structure according to claim 3, characterized in that: It also includes a push rod (6) and an adjustment plate (7), wherein the push rod (6) is arranged on the right side of the outer arc surface of the mounting tube (4), the push rod (6) is located on the rear side of the mounting ring (56), the push rod (6) is located in an avoidance groove arranged on the rear side of the outer arc surface of the fixing rod (2), and the adjustment plate (7) is arranged on the right end of the push rod (6).

6. The bicycle barrel axle front fork locking structure according to claim 5, characterized in that: It also includes a chuck (8), a plug post (9), a baffle (10) and a spring (11), wherein the chuck (8) is arranged on the rear side of the outer arc surface of the installation cylinder (4), the chuck (8) is located on the rear side of the push rod (6), a slot is arranged in the middle of the outer arc surface of the chuck (8), the plug post (9) is slidably connected with a slide groove arranged on the upper side of the outer arc surface of the fixing rod (2), the slots are installed in cooperation with the plug post (9), the baffle (10) is arranged at the upper end of the plug post (9), the spring (11) is arranged between the lower end of the baffle (10) and the upper side of the outer arc surface of the fixing rod (2), and the spring (11) is sleeved on the outside of the upper side of the plug post (9).

7. The bicycle barrel axle front fork locking structure according to claim 1, characterized in that: It also comprises a rubber pad (12), wherein the rubber pad (12) is arranged at the front end of the fixing rod (2).

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