Modularized center shaft structure

Abstract

The utility model discloses a modularized center shaft structure which comprises a center shaft body, a center shaft sleeve is arranged in the center of the outer portion of the center shaft body in a sleeved mode, a fixed ring fixedly connected with the R end of the center shaft sleeve is arranged at one end of the center shaft body in a sleeved mode, and a movable ring movably connected with the L end of the center shaft sleeve in an inserted mode is arranged at the other end of the center shaft body in a sleeved mode. The device is provided with a plurality of detachable mounting rods, each mounting rod is internally provided with a distance detection device, the mounting position of the center shaft main body can be detected in real time, the structure is simple, disassembly is convenient, the maintenance difficulty is reduced, the mounting positions of the movable ring and the fixed ring can be accurately judged during use, and the maintenance efficiency is improved. The center shaft can automatically give an alarm when the center shaft body inclines, has a real-time automatic detection function, better helps maintenance personnel to judge abnormal positions, facilitates concentric installation of workers during assembly, and is flexible, durable, safe, reliable, convenient to operate and convenient to install.

Description

Technical Field

[0001] The utility model relates to a modular central axis structure. Background Art

[0002] The development of the industry in recent years has changed from the past simple manufacturing orientation and consumer orientation to all-round considerations, which not only consider the convenience of consumer use, but also the overall technology and cost of the manufacturer and even the needs of the sales link, as well as the evaluation of environmental issues after consumption. In this environment, the various defects of the existing bicycle spindle structure are analyzed, and after integration, the manufacturing and assembly technology is improved; bicycles are currently becoming an increasingly popular form of entertainment and transportation. In addition, bicycles have become an increasingly popular competitive sport for amateurs and professional athletes. Whether bicycles are used for entertainment, transportation or competition, bicycle factories are constantly improving various components of bicycles. The core rotating component of the middle-axle assembly bicycle will determine the conversion of the driving force of the entire bicycle. In addition, the middle-axle structure in the existing technology has a single function, does not have automatic alarm and detection functions, and cannot automatically determine the installation position and damage position during use. It can only be disassembled as a whole for maintenance, which is difficult to repair and inconvenient to detect. Utility Model Content

[0003] The purpose of the utility model is to solve the deficiencies of the above prior art and provide a modular central axis structure.

[0004] A modular central axis structure comprises a central axis body, wherein a central axis sleeve is sleeved at the outer center of the central axis body, a fixing ring is sleeved at one end of the central axis body and fixedly connected to the R end of the central axis sleeve, the fixing ring is composed of a fixing screw cap and a fixing step, and a movable ring is sleeved at the other end of the central axis body and movably connected to the L end of the central axis sleeve, the movable ring is composed of a movable screw cap and a movable step.

[0005] As a further improvement, the outer side walls of the movable step and the fixed step are provided with multiple fixing components, the fixing components are used to fix the mounting rod, the mounting rod is used to fix the distance detection device, the distance detection device is installed in the same plane, the distance detection device is used to detect the distance between the fixed step, the movable step and the frame, has a high degree of intelligence, a detachable design, and is easy to install.

[0006] As a further improvement, each fixing component includes a fixing block, side plates are provided on both sides of the fixing block, limit plates are provided at both ends of the fixing block, the upper ends of the limit plates are connected to the fixing blocks through connecting plates, the connecting plates are connected to the fixing blocks through flange assemblies, the connecting plates are controlled to be disassembled by the flange assemblies, the mounting rods are limited by the limit plates, the limit plates and the connecting plates are fixedly designed, so that when the connecting plates are disassembled, the limit plates can be disassembled along with them, thereby achieving the purpose of disassembling and replacing the mounting rods, and when the distance detection device is damaged, it can be disassembled separately, thereby increasing the service life and reducing the difficulty and cost of replacement and maintenance.

[0007] As a further improvement, mounting rods are provided between adjacent fixed components, and multiple distance detection devices are installed on the side walls of the mounting rods. The distance detection devices can detect the distance between the mounting rods and the frame, so as to more accurately judge whether the central axis is skewed, detached, loose, etc. during use, and alarms will be issued in time if any problems occur. At the same time, it is convenient for maintenance personnel to judge the inclination angle and position, facilitate maintenance and detection, and greatly improve safety.

[0008] As a further improvement, a limiting opening is provided on the lower surface of the limiting plate, and ends of the mounting rods pass through the limiting opening and are abutted against the fixing block.

[0009] As a further improvement, the cross-sectional shape of the mounting rod is circular, and the shape of the mounting rod is an arc-shaped cylinder, with a simple structure and convenient operation. Each mounting rod can be replaced individually, thereby reducing the cost of use.

[0010] As a further improvement, threads are provided on the surfaces of the movable rotary cover and the fixed rotary cover, and the threads are screwed together with the inner threads inside the five-way bracket on the frame to fix the center axis body.

[0011] As a further improvement, tightening holes are provided at both ends of the central axis body.

[0012] Beneficial effects:

[0013] The device is provided with a plurality of detachable mounting rods, and a distance detection device is installed inside each mounting rod, which can detect the installation position of the central axis body in real time. The device has a simple structure, is easy to disassemble, and has reduced difficulty during maintenance. When in use, the installation position of the movable ring and the fixed ring can be accurately determined, and an alarm can be automatically sounded when the central axis body is skewed. The device has a real-time automatic detection function, which can better help maintenance personnel determine abnormal positions, and is convenient for personnel to achieve concentric installation during assembly. The device is flexible and durable, safe and reliable, easy to operate, and convenient to install. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural diagram of the central axis structure;

[0015] Figure 2It is the overall structural diagram of the central axis structure;

[0016] Figure 3 It is a schematic diagram of the end structure of the central axis structure;

[0017] Figure 4 It is a schematic diagram of the side structure of the central axis structure;

[0018] 1. Middle shaft body 2. Tightening hole 3. Fixing step 4. Fixing assembly 5. Mounting rod 6. Connecting plate 7. Middle shaft sleeve 8. Movable screw cap. DETAILED DESCRIPTION

[0019] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with embodiments and drawings. The embodiments are only used to explain the present invention and do not constitute a limitation on the protection scope of the present invention.

[0020] like Figures 1 to 4 As a specific embodiment of the present utility model, a modular central axis structure is shown, which includes a central axis body 1, a tightening hole 2, a fixing step 3, a fixing assembly 4, a mounting rod 5, a connecting plate 6, a central axis sleeve 7, and a movable screw cover 8.

[0021] A modular central axis structure comprises a central axis body 1, wherein a central axis sleeve 7 is sleeved on the outer center of the central axis body 1, one end of the central axis body 1 is sleeved with a fixing ring fixedly connected to the R end of the central axis sleeve 7, the fixing ring is composed of a fixing screw cover and a fixing step 3, and the other end of the central axis body 1 is sleeved with a movable ring movably plugged into the L end of the central axis sleeve 7, the movable ring is composed of a movable screw cover 8 and a movable step.

[0022] The outer side walls of the movable step and the fixed step 3 are provided with multiple fixing components 4, the fixing components 4 are used to fix the mounting rod 5, the mounting rod 5 is used to fix the distance detection device, the distance detection device is installed in the same plane, the distance detection device is used to detect the distance between the fixed step 3, the movable step and the frame, has a high degree of intelligence, a detachable design, and is easy to install.

[0023] Each fixing assembly 4 includes a fixing block, side plates are provided on both sides of the fixing block, limit plates are provided at both ends of the fixing block, the upper ends of the limit plates are connected to the fixing blocks through connecting plates 6, the connecting plates 6 are connected to the fixing blocks through flange assemblies, the connecting plates 6 are controlled to be disassembled through the flange assemblies, the mounting rod 5 is limited by the limit plates, the limit plates and the connecting plates 6 are fixedly designed, so that when the connecting plates 6 are disassembled, the limit plates can be disassembled along with them, so as to achieve the purpose of disassembling and replacing the mounting rod 5, and when the distance detection device is damaged, it can be disassembled separately, thereby increasing the service life and reducing the difficulty and cost of replacement and maintenance.

[0024] Mounting rods 5 are provided between adjacent fixing components 4, and a plurality of distance detection devices are installed on the side walls of the mounting rods 5. The distance detection devices can detect the distance between the mounting rods 5 and the frame, so as to more accurately judge whether the central axis is skewed, detached, loose, or has other problems during use, and alarms can be triggered in time if any problems occur. At the same time, it is convenient for maintenance personnel to judge the tilt angle and position, which is convenient for maintenance and detection, and safety is greatly improved.

[0025] The lower surface of the limiting plate is provided with a limiting opening, and the ends of the mounting rods 5 pass through the limiting opening and are abutted against the fixing block.

[0026] The cross-sectional shape of the mounting rod 5 is circular, and the shape of the mounting rod 5 is an arc-shaped cylinder, with a simple structure and convenient operation. Each mounting rod 5 can be replaced individually, thereby reducing the use cost.

[0027] The surfaces of the movable rotary cover 8 and the fixed rotary cover are both provided with threads, which are screwed together with the inner threads inside the five-way valve on the frame to fix the center shaft body 1.

[0028] Tightening holes 2 are provided at both ends of the central axis body 1 .

[0029] When in use, pull out the movable ring at the L end, and then pass the L end of the middle axis body through one side of the five-way bracket. Before installing the middle axis body, you need to apply grease inside the five-way bracket to make the installation smoother. Then tighten the fixing ring and one end of the five-way bracket, and then put the movable ring on the middle axis body, and then tighten the movable ring and the other end of the five-way bracket. Special screwing tools are required during the tightening process. The mounting rod is installed through the limit plate, and the connecting rod is connected to the fixed block through the flange. After the connection is completed, the limit opening is plugged and fixed to the mounting rod. A plurality of distance detection devices are installed on the surface of the mounting rod. The structure is simple, and the position of the middle axis body can be accurately detected in real time.

[0030] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A modular center axis structure, comprising a center axis body, characterized in that: The central part of the outer part of the central axis body is sleeved with a central axis sleeve, one end of the central axis body is sleeved with a fixing ring fixedly connected to the R end of the central axis sleeve, the fixing ring is composed of a fixed screw cover and a fixed step, the other end of the central axis body is sleeved with a movable ring movably connected to the L end of the central axis sleeve, the movable ring is composed of a movable screw cover and a movable step.

2. A modular central axis structure according to claim 1, characterized in that: The outer side walls of the movable step and the fixed step are both provided with a plurality of fixing components.

3. A modular central axis structure according to claim 2, characterized in that: Each fixing assembly includes a fixing block, side plates are provided on both sides of the fixing block, limit plates are provided at both ends of the fixing block, the upper ends of the limit plates are connected to the fixing block through connecting plates, and the connecting plates are connected to the fixing block through flange assemblies.

4. A modular central axis structure according to claim 3, characterized in that: Mounting rods are arranged between adjacent fixing components, and a plurality of distance detection devices are installed on the side walls of the mounting rods.

5. A modular central axis structure according to claim 4, characterized in that: The lower surface of the limiting plate is provided with a limiting opening, and the ends of the mounting rods all pass through the limiting opening and are abutted and connected with the fixing block.

6. A modular central axis structure according to claim 4, characterized in that: The cross-sectional shape of the mounting rod is circular, and the shape of the mounting rod is an arc-shaped cylinder.

7. The modular central axis structure according to claim 1, characterized in that: The surfaces of the movable rotary cover and the fixed rotary cover are both provided with threads.

8. The modular central axis structure according to claim 1, characterized in that: Both ends of the central axis body are provided with tightening holes.

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