Middle shaft five-bowl stabilizing structure

Abstract

The utility model relates to the technical field of center shaft five-piece bowl stabilizing structures, in particular to a center shaft five-piece bowl stabilizing structure, and solves the technical problems that in various structures of a bicycle, the position of a center shaft is the most important, the stability of the center shaft five-piece bowl structure needs to be guaranteed, however, most of the center shaft five-piece bowl stabilizing structures are simple in structure arrangement, and the stability of the center shaft five-piece bowl structure is poor. The connecting part is easy to loosen, so that the structure is unstable, and the safety of the riding use of the vehicle is influenced; according to the technical scheme, the center shaft five-bowl stabilizing structure comprises a center shaft assembly, a five-bowl assembly, an adjusting assembly, a connecting assembly and a fixing assembly. Compared with a traditional center shaft five-bowl stabilizing structure, the center shaft five-bowl stabilizing structure has the advantages that the connecting structure is usually simple, parts are easy to loosen during use, and the use safety is reduced, the center shaft structure is flexibly fastened in a clamping and fixing mode according to actual conditions, the connecting tightness between the parts is improved, and the service life of the center shaft five-bowl stabilizing structure is prolonged. The use safety is guaranteed, and the structural stability of the center shaft is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of a central axis five-piece bowl stable structure, in particular to a central axis five-piece bowl stable structure. Background Art

[0002] The bicycle originated in Europe in the early nineteenth century and was originally used as a human-powered means of transportation. With the continuous improvement and development of technology, the bicycle gradually evolved into a modern means of transportation and spread rapidly. In the development history of the bicycle, it has experienced changes from wooden frames to steel frames, and then to today's various materials and design styles, becoming an indispensable part of people's lives. With the continuous development of the times, electric bicycles have gradually replaced traditional human-powered bicycles. In the composition structure of the bicycle, the central axis structure determines the stability of the bicycle driving. However, most of the central axis has a five-piece bowl stable structure, and the connection structure is often set relatively simply. It is easier for the components to loosen during use, resulting in a decrease in safety of use. Utility Model Content

[0003] In order to overcome the problem of most five-piece bowl stability structures of the middle shaft, most of the structures are relatively simple, and the components are easy to loosen during use, resulting in structural instability and affecting the safety of vehicle riding.

[0004] The technical solution of the utility model is: a central axis five-piece bowl stabilizing structure, comprising a five-way tube body, a central axis assembly, a five-piece bowl assembly, a first fixing assembly, a connecting assembly, an adjusting assembly and a second fixing assembly; a central axis assembly is arranged on the inner side of the five-way tube body, a five-piece bowl assembly is arranged on one side of the central axis assembly, two groups of the five-piece bowl assembly are arranged, a first fixing assembly is arranged on one side of the five-piece bowl assembly, two groups of the first fixing assembly are arranged, a connecting assembly is arranged on the outer side of the five-way tube body, an adjusting assembly is arranged on one side of the connecting assembly, and a second fixing assembly is arranged on one side of the adjusting assembly.

[0005] Preferably, the position of the middle axis assembly is fixed by setting a five-way tube body, the five-piece bowl assembly is connected and fixed by the middle axis assembly, the stable use of the middle axis assembly is ensured by the five-piece bowl assembly, the position of the five-piece bowl assembly is further fixed by the first fixing assembly, the adjustment assembly is connected and fixed by the connecting assembly, the position of the second fixing assembly is adjusted by the adjusting assembly, and the position of the first fixing assembly is ensured to be stable by the second fixing assembly, thereby achieving flexible tightening of the middle axis structure according to actual conditions, improving the connection tightness between components, ensuring the effect of safety in use, and enhancing the stability of the middle axis structure.

[0006] Preferably, the middle axis assembly includes a middle axis body and a limit plate; the middle axis body is arranged on the inner side of the five-way tube body, and the limit plate is arranged on the outer side of the middle axis body, and two groups of limit plates are arranged; the position of the limit plate is fixed by the middle axis body, and the five-piece bowl assembly is limited by the limit plate.

[0007] Preferably, the five-piece bowl assembly includes a buckle bowl, a first slot and a first block; a buckle bowl is provided on one side of the limiting plate, and two groups of buckle bowls are provided; a first slot is provided on one side of the buckle bowl, and multiple groups of first slots are provided; a first block is provided on one side of the limiting plate, and the first block and the first slot are engaged with each other; the buckle bowl is used to ensure stable operation of the central axis body, and the first slot is used to clarify the position of the first block, and the first block is embedded in the first slot, thereby achieving the effect of preliminarily fixing the position of the buckle bowl.

[0008] Preferably, the first fixing component includes a positioning groove, a positioning block, a mounting ring and a fixing block; a positioning groove is provided at one end of the five-way tube body, and there are multiple groups of positioning grooves. A positioning block is provided on the outside of the buckle bowl, and there are two groups of positioning blocks, and the positioning block and the positioning groove are interlocked with each other; a mounting ring is provided at one end of the five-way tube body, and there are two groups of mounting rings; a fixing block is provided on one side of the mounting ring, and there are two groups of fixing blocks, and the fixing block and the positioning groove are interlocked with each other; the position of the positioning block is clarified by the positioning groove, the installation position of the buckle bowl is clarified by the positioning block, the fixing block is fixedly connected by the mounting ring, and the buckle bowl is pressed and fixed by the fixing block, thereby ensuring the stability of the buckle bowl position.

[0009] Preferably, the connecting assembly includes a fixed ring block, an electric telescopic rod and a support frame; a fixed ring block is arranged on the outside of the five-way tube body, an electric telescopic rod is arranged on one side of the fixed ring block, two groups of electric telescopic rods are arranged, and a support frame is arranged at one end of the electric telescopic rod; the position of the electric telescopic rod is fixed by the fixed ring block, the electric telescopic rod is telescoped to adjust the position of the support frame, and the support frame is used to support and fix the adjustment assembly.

[0010] Preferably, the adjustment component includes a fixed plate, a bidirectional adjustment screw and a drive motor; a fixed plate is provided on one side of the support frame, a bidirectional adjustment screw is provided on one side of the fixed plate, and a drive motor is provided on the other side of the fixed plate, and the output end of the drive motor is connected to the bidirectional adjustment screw; the position of the bidirectional adjustment screw is fixed by the fixed plate, and the bidirectional adjustment screw is driven to rotate by the drive motor, and the rotation of the bidirectional adjustment screw drives the position of the second fixed component to move.

[0011] Preferably, the second fixing component includes a connecting block, a second clamping block and a second clamping groove; a connecting block is arranged on the outside of the bidirectional adjustment screw rod, the connecting block is arranged in two groups, a second clamping block is arranged on one side of the connecting block, a second clamping groove is opened on one side of the mounting ring, the second clamping groove is opened in two groups, and the second clamping groove and the second clamping block are engaged with each other; the second clamping block is connected and fixed by the connecting block, the second clamping groove is used to clarify the engagement position of the second clamping block, and the mounting ring is further fixed by embedding the second clamping block into the second clamping groove, thereby ensuring the stability of the overall structure.

[0012] Beneficial effects of the utility model:

[0013] 1. Compared with the traditional five-piece bowl stable structure of the central axis, most of them use a screw structure to fix the five-piece bowl of the central axis. Most of the structures are relatively simple, and the connection is easy to loosen, resulting in structural instability. Through the clamping fixation method, the central axis structure can be flexibly tightened according to the actual situation, the connection tightness between the components is improved, the safety of use is guaranteed, and the stability of the central axis structure is enhanced;

[0014] 2. During the reinforcement process, the driving motor on the fixed plate is used to drive the two-way adjustment screw to rotate, thereby adjusting the distance between the two sets of connection blocks, so that the second block moves to the front of the second slot, and then the electric telescopic rod on the fixed ring block is retracted to adjust the position of the support frame, so that the second block is embedded in the second slot, and the mounting ring is further locked and fixed to solve the problem that the connection structure of most of the five-piece bowls of the central axis is often simple, and the parts are easy to loosen during use, thereby improving the safety of vehicle riding;

[0015] 3. During assembly, place the center shaft body into the bottom bracket body, then align the positioning block with the positioning groove, install the two sets of buckle cups at both ends of the center shaft body, and embed the first clamping block on the limit plate into the first clamping groove to fix the position of the buckle cup. Then, embed the fixing block into the positioning groove, press the fixing block to fix the positioning block, and fix the two sets of mounting rings at both ends of the bottom bracket body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 What is shown is a three-dimensional structural schematic diagram of a central axis five-piece bowl stable structure of the utility model;

[0017] Figure 2 Shown is a three-dimensional structural schematic diagram of a central axis component of a central axis five-piece bowl stable structure of the utility model;

[0018] Figure 3 Shown is a three-dimensional structural schematic diagram of a five-piece bowl assembly of a central axis five-piece bowl stable structure of the utility model;

[0019] Figure 4 What is shown is a three-dimensional structural schematic diagram of a first fixing component of a central axis five-piece bowl stabilizing structure of the utility model;

[0020] Figure 5 What is shown is a three-dimensional structural schematic diagram of the second fixing component of a central axis five-piece bowl stabilizing structure of the utility model.

[0021] Explanation of the reference numerals: 1. five-way tube body; 2. middle axis assembly; 3. five-piece bowl assembly; 4. first fixing assembly; 5. connecting assembly; 6. adjusting assembly; 7. second fixing assembly; 201. middle axis body; 202. limit plate; 301. buckle bowl; 302. first slot; 303. first clamping block; 401. positioning slot; 402. positioning block; 403. mounting ring; 404. fixing block; 501. fixing ring block; 502. electric telescopic rod; 503. supporting frame; 601. fixing plate; 602. two-way adjusting screw rod; 603. driving motor; 701. connecting block; 702. second clamping block; 703. second slot. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0023] See also Figure 1 The utility model provides an embodiment: a central axis five-piece bowl stabilizing structure, comprising a five-way tube body 1, a central axis assembly 2, a five-piece bowl assembly 3, a first fixing assembly 4, a connecting assembly 5, an adjusting assembly 6 and a second fixing assembly 7; the central axis assembly 2 is arranged on the inner side of the five-way tube body 1, the five-piece bowl assembly 3 is arranged on one side of the central axis assembly 2, the five-piece bowl assembly 3 is arranged in two groups, the first fixing assembly 4 is arranged on one side of the five-piece bowl assembly 3, the first fixing assembly 4 is arranged in two groups, the connecting assembly 5 is arranged on the outer side of the five-way tube body 1, the adjusting assembly 6 is arranged on one side of the connecting assembly 5, and the second fixing assembly 7 is arranged on one side of the adjusting assembly 6.

[0024] See also Figure 2-3 In this embodiment, the middle shaft assembly 2 includes a middle shaft body 201 and a limiting plate 202; the middle shaft body 201 is arranged on the inner side of the five-way tube body 1, and the limiting plate 202 is arranged on the outer side of the middle shaft body 201. The limiting plate 202 is arranged in two groups, and the position of the limiting plate 202 is fixed by the middle shaft body 201, and the limiting plate 202 is used to limit the five-piece bowl assembly 3; the five-piece bowl assembly 3 includes a buckle bowl 301, a first clamping groove 302 and a first clamping block 303; a buckle bowl 301 is arranged on one side of the limiting plate 202. 01, two groups of buckle bowls 301 are provided, one side of the buckle bowl 301 is provided with a first slot 302, and the first slot 302 is provided with multiple groups. A first clamping block 303 is provided on one side of the limiting plate 202, and the first clamping block 303 and the first clamping groove 302 are interlocked with each other. The buckle bowl 301 is used to ensure the stable operation of the central axis body 201, and the position of the first clamping block 303 is clarified by the first clamping groove 302. By embedding the first clamping block 303 into the first clamping groove 302, the effect of preliminarily fixing the position of the buckle bowl 301 is achieved.

[0025] See also Figure 4In the present embodiment, the first fixing component 4 includes a positioning groove 401, a positioning block 402, a mounting ring 403 and a fixing block 404; a positioning groove 401 is provided at one end of the five-way tube body 1, and the positioning groove 401 is provided with multiple groups. A positioning block 402 is provided on the outer side of the buckle bowl 301, and two groups of positioning blocks 402 are provided. The positioning block 402 and the positioning groove 401 are mutually embedded. A mounting ring 403 is provided at one end of the five-way tube body 1, and two groups of mounting rings 403 are provided. A fixing block 404 is provided on one side of the mounting ring 403, and two groups of fixing blocks 404 are provided. The fixing block 404 and the positioning groove 401 are mutually embedded. The position of the positioning block 402 is clarified by the positioning groove 401, and the installation position of the buckle bowl 301 is clarified by the positioning block 402. The fixing block 404 is fixedly connected by the mounting ring 403, and the buckle bowl 301 is pressed and fixed by the fixing block 404, thereby ensuring the stability of the position of the buckle bowl 301.

[0026] See also Figure 5 In this embodiment, the connection assembly 5 includes a fixed ring block 501, an electric telescopic rod 502 and a support frame 503; a fixed ring block 501 is arranged on the outside of the five-way pipe body 1, and an electric telescopic rod 502 is arranged on one side of the fixed ring block 501. The electric telescopic rod 502 is provided with two groups, and a support frame 503 is arranged at one end of the electric telescopic rod 502. The position of the electric telescopic rod 502 is fixed by the fixed ring block 501, and the electric telescopic rod 502 is telescoped to adjust the position of the support frame 503, and the support frame 503 is used to support and fix the adjustment assembly 6; the adjustment assembly 6 includes A fixed plate 601, a bidirectional adjustment screw rod 602 and a driving motor 603; a fixed plate 601 is arranged on one side of the support frame 503, a bidirectional adjustment screw rod 602 is arranged on one side of the fixed plate 601, and a driving motor 603 is arranged on the other side of the fixed plate 601, and an output end of the driving motor 603 is connected to the bidirectional adjustment screw rod 602, and the position of the bidirectional adjustment screw rod 602 is fixed by the fixed plate 601, and the bidirectional adjustment screw rod 602 is driven to rotate by the driving motor 603, and the bidirectional adjustment screw rod 602 is rotated to drive the second fixed component 7 to move the position;

[0027] The second fixing component 7 includes a connecting block 701, a second clamping block 702 and a second clamping groove 703; a connecting block 701 is arranged on the outer side of the bidirectional adjustment screw rod 602, and the connecting block 701 is arranged in two groups. A second clamping block 702 is arranged on one side of the connecting block 701, and a second clamping groove 703 is opened on one side of the mounting ring 403. The second clamping groove 703 is opened in two groups, and the second clamping groove 703 and the second clamping block 702 are engaged with each other. The second clamping block 702 is connected and fixed by the connecting block 701, and the second clamping groove 703 is used to clarify the engagement position of the second clamping block 702. By embedding the second clamping block 702 into the second clamping groove 703, the mounting ring 403 is further fixed, thereby ensuring the stability of the overall structure.

[0028] During the assembly operation, the middle shaft body 201 is placed into the bottom bracket body 1, and then the positioning block 402 is aligned with the positioning groove 401, and the two sets of buckle cups 301 are installed at both ends of the middle shaft body 201, and the first clamping block 303 on the limiting plate 202 is embedded in the first clamping groove 302, and then the fixing block 404 is embedded in the positioning groove 401, and the fixing block 404 is pressed and fixed to the positioning block 402, and the two sets of mounting rings 403 are fixed to both ends of the bottom bracket body 1;

[0029] When performing reinforcement treatment, the driving motor 603 on the fixed plate 601 is used to drive the bidirectional adjustment screw 602 to rotate, and the bidirectional adjustment screw 602 is rotated to adjust the distance between the two sets of connecting blocks 701, so that the second clamping block 702 moves to the front of the second clamping groove 703, and then, the electric telescopic rod 502 on the fixed ring block 501 is contracted to adjust the position of the support frame 503, so that the second clamping block 702 is embedded in the second clamping groove 703, and the mounting ring 403 is further locked and fixed.

[0030] Through the above steps, the position of the middle axis assembly 2 is fixed by setting the five-way tube body 1, the five-piece bowl assembly 3 is connected and fixed by the middle axis assembly 2, the stable use of the middle axis assembly 2 is ensured by the five-piece bowl assembly 3, the position of the five-piece bowl assembly 3 is further fixed by the first fixing assembly 4, the adjustment assembly 6 is connected and fixed by the connecting assembly 5, the position of the second fixing assembly 7 is adjusted by the adjustment assembly 6, and the second fixing assembly 7 is used to ensure the stability of the position of the first fixing assembly 4.

[0031] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A five-piece center shaft stabilizing structure, comprising a five-way tube body (1); characterized in that: The invention also comprises a middle shaft assembly (2), a five-piece bowl assembly (3), a first fixing assembly (4), a connecting assembly (5), an adjusting assembly (6) and a second fixing assembly (7); the middle shaft assembly (2) is arranged on the inner side of the five-way tube body (1); a five-piece bowl assembly (3) is arranged on one side of the middle shaft assembly (2); two groups of the five-piece bowl assembly (3) are arranged; a first fixing assembly (4) is arranged on one side of the five-piece bowl assembly (3); two groups of the first fixing assembly (4) are arranged; a connecting assembly (5) is arranged on the outer side of the five-way tube body (1); an adjusting assembly (6) is arranged on one side of the connecting assembly (5); and a second fixing assembly (7) is arranged on one side of the adjusting assembly (6).

2. A central axis five-piece bowl stabilizing structure according to claim 1, characterized in that: The middle shaft assembly (2) comprises a middle shaft body (201) and a limiting plate (202); the middle shaft body (201) is arranged on the inner side of the five-way tube body (1), and the limiting plate (202) is arranged on the outer side of the middle shaft body (201); and two groups of limiting plates (202) are arranged.

3. The central axis five-piece bowl stabilizing structure according to claim 1, characterized in that: The five-piece bowl assembly (3) comprises a buckle bowl (301), a first clamping groove (302) and a first clamping block (303); a buckle bowl (301) is arranged on one side of a limiting plate (202), and two groups of buckle bowls (301) are arranged; a first clamping groove (302) is opened on one side of the buckle bowl (301), and multiple groups of first clamping grooves (302) are opened; a first clamping block (303) is arranged on one side of the limiting plate (202), and the first clamping block (303) and the first clamping groove (302) are mutually engaged.

4. A central axis five-piece bowl stabilizing structure according to claim 3, characterized in that: The first fixing assembly (4) comprises a positioning groove (401), a positioning block (402), a mounting ring (403) and a fixing block (404); a positioning groove (401) is provided at one end of the five-way pipe body (1), and the positioning groove (401) is provided in multiple groups; a positioning block (402) is provided at the outer side of the buckle bowl (301), and the positioning block (402) is provided in two groups; the positioning block (402) and the positioning groove (401) are mutually engaged; a mounting ring (403) is provided at one end of the five-way pipe body (1), and the mounting ring (403) is provided in two groups; a fixing block (404) is provided at one side of the mounting ring (403), and the fixing block (404) is provided in two groups; the fixing block (404) and the positioning groove (401) are mutually engaged.

5. The central axis five-piece bowl stabilizing structure according to claim 3 is characterized by: The connection assembly (5) comprises a fixed ring block (501), an electric telescopic rod (502) and a support frame (503); the fixed ring block (501) is arranged on the outside of the five-way pipe body (1); the electric telescopic rod (502) is arranged on one side of the fixed ring block (501); two groups of the electric telescopic rod (502) are arranged; and the support frame (503) is arranged at one end of the electric telescopic rod (502).

6. A central axis five-piece bowl stabilizing structure according to claim 5, characterized in that: The adjustment component (6) comprises a fixed plate (601), a bidirectional adjustment screw rod (602) and a driving motor (603); the fixed plate (601) is arranged on one side of the support frame (503), the bidirectional adjustment screw rod (602) is arranged on one side of the fixed plate (601), and the driving motor (603) is arranged on the other side of the fixed plate (601); the output end of the driving motor (603) is connected to the bidirectional adjustment screw rod (602).

7. The central axis five-piece bowl stabilizing structure according to claim 1, characterized in that: The second fixing assembly (7) comprises a connecting block (701), a second clamping block (702) and a second clamping groove (703); a connecting block (701) is arranged outside the bidirectional adjustment screw rod (602); two groups of connecting blocks (701) are arranged; a second clamping block (702) is arranged on one side of the connecting block (701); a second clamping groove (703) is opened on one side of the mounting ring (403); two groups of second clamping grooves (703) are opened; and the second clamping grooves (703) and the second clamping blocks (702) are interlocked and connected with each other.

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