Modularized quick-release transmission shaft assembly

By using the snap-fit ​​structure and magnetic block design of the modular quick-release drive shaft assembly, the problems of complex drive shaft connection, time-consuming disassembly, and insufficient stability are solved, achieving the effects of rapid installation, simplified maintenance, and improved stability.

CN223868381UActive Publication Date: 2026-02-03东莞市固钛实业有限公司
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Patent Information

Application Number
CN202520855658.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-30
Publication Date
2026-02-03
Estimated Expiration
2035-04-30

AI Technical Summary

Technical Problem

The existing drive shaft has a complex component connection structure, which is time-consuming and labor-intensive to install and disassemble, requires professional tools, is inconvenient to adjust the length, and has insufficient connection stability, affecting the operating efficiency and safety of the equipment.

Method used

It adopts a modular quick-release design, using a snap-fit ​​structure and magnetic blocks to achieve quick connection and disassembly through slots, telescopic grooves and threaded rods. The sliding rod and sliding groove work together to achieve length adjustment and enhance connection stability.

Benefits of technology

It simplifies the installation and maintenance process, reduces labor intensity, shortens equipment downtime, improves adaptability and connection stability, and ensures transmission efficiency and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of transmission shafts, and discloses a modularized quick-release transmission shaft assembly which comprises a transmission shaft and a flange yoke, the flange yoke is installed at one end of the transmission shaft, a clamping structure is arranged at one end of the transmission shaft and located in a first connecting pipe, an extension structure is arranged in the first connecting pipe, and the other end of the extension structure is fixedly connected with a second connecting pipe. During installation, only the connecting block needs to be aligned with the connecting pipe to be inserted into the connecting pipe, connection can be completed by means of the elastic force of the spring, the magnetic attraction effect and simple threaded rod screwing-in operation, parts can be easily separated by screwing out the threaded rod during disassembly, and the assembly and disassembly are convenient. By means of the design, the installation and maintenance process is greatly simplified, the assembly can conveniently adjust the length of the transmission shaft through cooperation of the sliding rods, the sliding grooves and the clamping grooves, different application scenes can be rapidly adapted, high cost caused by overall replacement of the transmission shaft is avoided, and adaptability is remarkably improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of transmission shaft, concretely to a modular quick detach type transmission shaft assembly. BACKGROUND

[0002] In the field of industrial equipment and transportation, the transmission shaft is a crucial component responsible for transmitting power from one place to another. Its installation and maintenance convenience directly affect the operation efficiency and reliability of the equipment. At the same time, the structural flexibility of the transmission shaft allows it to adapt to different equipment and environmental requirements, ensuring stable operation under various working conditions. Therefore, the design and performance of the transmission shaft not only affect the overall system efficiency, but also relate to the safety and durability of the equipment.

[0003] The existing transmission shaft assembly connection structure is complex, usually relying on bolts and nuts for fastening. Professional tools are required for installation and disassembly, which is time-consuming and labor-intensive, increasing the labor intensity of maintenance personnel, prolonging equipment downtime, and affecting production continuity. In addition, the length adjustment of the transmission shaft is not convenient. For specific application scenarios that require quick length adjustment, the transmission shaft often needs to be replaced as a whole, resulting in high cost and poor adaptability. Furthermore, the connection stability between modules is insufficient, which can be easily loosened due to vibration and impact, reducing transmission efficiency and even causing safety accidents. Therefore, we propose a modular quick detach type transmission shaft assembly. SUMMARY

[0004] To overcome the shortcomings of the prior art, the utility model provides a modular quick detach type transmission shaft assembly to solve the above problems.

[0005] To achieve the above purposes, the utility model provides the following technical scheme: a modular quick detach type transmission shaft assembly, comprising a transmission shaft and a flange fork, the transmission shaft is provided with a flange fork at one end, the transmission shaft is provided with a clamping structure at one end, the clamping structure is in a connecting pipe one, the connecting pipe one is provided with an extension structure, the extension structure is fixedly connected with a connecting pipe two at the other end, the connecting pipe two is provided with another set of clamping structure, and the other end of the clamping structure is provided with a flange fork.

[0006] Preferably, the clamping structure comprises a connecting block, a slot and a magnetic block, one side of the connecting block is fixedly connected to one end of the transmission shaft, a plurality of slots are evenly distributed on the cylindrical surface of the connecting block, and the magnetic block is inserted into the slot.

[0007] Preferably, the clamping structure further comprises a threaded hole, a threaded rod, a metal block, an expansion slot and a spring, the inner cylindrical surface of the connecting pipe one is provided with a plurality of expansion slots which are uniformly distributed in the circumference, the expansion slots are close to the opening one end in the connecting pipe one, the opposite side of the expansion slot opening is extended to the inside of the connecting pipe one and is provided with a threaded hole, the number and angle of the expansion slots are the same as the insertion slot, the opposite side of the expansion slot opening is fixedly connected with a spring, the other end of the spring is fixedly connected with a metal block, one side of the metal block connected with the spring is fixedly connected with a threaded rod, the other end of the threaded rod penetrates the threaded hole and the threaded rod is screwed with the threaded hole, the connecting pipe one is sleeved outside the connecting block, the metal block is inserted with the insertion slot and the metal block is magnetically connected with the magnetic block.

[0008] Preferably, the extension structure comprises an extension transmission shaft and a sliding rod, the extension transmission shaft is inserted into one end of the connecting pipe one away from the connecting block, and the inner cylindrical surface of the connecting pipe one is fixedly connected with a plurality of sliding rods which are uniformly distributed in the circumference.

[0009] Preferably, the extension structure further comprises a sliding slot and a clamping slot, one end of the outer cylindrical surface of the extension transmission shaft is provided with a plurality of sliding slots which are uniformly distributed in the circumference, the number and angle of the sliding slots are the same as the sliding rods, a plurality of clamping slots which are linearly distributed along the sliding slots are formed on the cylindrical surface of the extension transmission shaft, and the sliding rods are clampedly connected with the clamping slots.

[0010] Preferably, one end of the extension transmission shaft away from the connecting pipe one is fixedly connected with a connecting pipe two, the outer opening opposite side of the connecting pipe two is fixedly connected with the extension transmission shaft, the bottom surface of the flange fork is fixedly connected with another connecting block, one end of the connecting pipe two away from the extension transmission shaft is connected with the bottom surface of the flange fork, and the connecting pipe two and the flange fork are connected through the clamping structure.

[0011] Compared with the prior art, the modular quick-release transmission shaft assembly has the following beneficial effects:

[0012] 1、The modular quick-release transmission shaft assembly, when installing, only needs to insert the connecting block into the connecting pipe, and through the spring elastic force, magnetic attraction and simple threaded rod rotation operation, the connection can be completed, when disassembling, the threaded rod is rotated out, and the components can be easily separated, this design greatly simplifies the installation and maintenance process, does not need professional tools, significantly reduces the labor intensity of maintenance personnel, greatly shortens the equipment downtime, and effectively guarantees the production continuity.

[0013] 2、The modular quick-release transmission shaft assembly can on one hand conveniently adjust the length of the transmission shaft through the cooperation of the slide rod and the sliding groove and the clamping groove, quickly adapt to different application scenarios, avoid high cost caused by overall replacement of the transmission shaft, and significantly improve the adaptability; on the other hand, the spring elastic force and the magnetic attraction in the clamping structure cooperate with each other, the connection is more compact, the stability of the connection between the modules is effectively enhanced, the transmission efficiency can be ensured even in a vibration and impact environment, and the risk of safety accidents is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 It is an exploded schematic diagram of the utility model structure;

[0016] Figure 3 It is a sectional view schematic diagram of the clamping structure of the utility model;

[0017] Figure 4 It is Figure 3 A local enlarged schematic diagram in the utility model structure;

[0018] Figure 5 It is Figure 3 A local enlarged schematic diagram in the utility model structure.

[0019] In the figure: 1, transmission shaft; 2, connector one; 3, extended transmission shaft; 4, connector two; 5, flange fork; 6, connecting block; 7, insertion slot; 8, magnetic attraction block; 9, sliding groove; 10, clamping groove; 11, threaded hole; 12, threaded rod; 13, metal block; 14, slide rod; 15, telescopic groove; 16, spring. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Please refer to Figures 1-5 A modular quick-release transmission shaft assembly, comprising a transmission shaft 1 and a flange fork 5, the flange fork 5 is installed at one end of the transmission shaft 1, one end of the transmission shaft 1 is provided with a clamping structure, the clamping structure is in a connector one 2, the connector one 2 is provided with an extension structure, the extension structure is fixedly connected with a connector two 4 at the other end, the connector two 4 is provided with another set of clamping structure, and the flange fork 5 is installed at the other end of the clamping structure.

[0022] Further, the clamping structure comprises the connecting block 6, the slot 7 and the magnetic block 8, one side of the connecting block 6 is fixedly connected to one end of the transmission shaft 1, a plurality of circumferentially uniformly distributed slots 7 are formed on the cylindrical surface of the connecting block 6, and the magnetic block 8 is inserted into each slot 7.

[0023] Further, the clamping structure further comprises the threaded hole 11, the threaded rod 12, the metal block 13, the expansion slot 15 and the spring 16, a plurality of circumferentially uniformly distributed expansion slots 15 are formed through the inner cylindrical surface of the connecting pipe 2, the expansion slots 15 are close to the opening end of the connecting pipe 2, the threaded hole 11 is formed through the inner cylindrical surface of the connecting pipe 2, the number and angle of the expansion slots 15 are the same as those of the slots 7, the spring 16 is fixedly connected to the side of the expansion slot 15 opposite to the opening, the other end of the spring 16 is fixedly connected to the metal block 13, the threaded rod 12 is fixedly connected to the side of the metal block 13 connected to the spring 16, the other end of the threaded rod 12 penetrates through the threaded hole 11 and the threaded rod 12 is threadedly connected to the threaded hole 11, the connecting pipe 2 is sleeved on the connecting block 6, the metal block 13 is inserted into the slot 7 and magnetically connected to the magnetic block 8, the expansion slot 15 is used for mounting the spring 16 and the metal block 13, the metal block 13 slides in the expansion slot 15, the spring 16 is used for supporting the metal block 13 outside the expansion slot 15, the threaded rod 12 is threadedly connected to the threaded hole 11, when the connecting pipe 2 and the connecting block 6 need to be fixed, the threaded rod 12 is screwed into the threaded hole 11, the metal block 13 is inserted into the slot 7, at this time, the elastic force of the spring 16 also makes the metal block 13 tightly inserted into the slot 7, in addition, the magnetic force between the slot 7 and the magnetic block 8 also makes the metal block 13 tightly inserted into the slot 7, when the connecting pipe 2 and the connecting block 6 need to be disassembled, the threaded rod 12 is rotated to move away from the connecting pipe 2, the threaded rod 12 drives the metal block 13 to move out of the slot 7, so that the connecting pipe 2 and the connecting block 6 can be quickly disassembled.

[0024] Further, the extension structure comprises the extension transmission shaft 3 and the slide rod 14, the extension transmission shaft 3 is inserted into one end of the connecting pipe 2 away from the connecting block 6, a plurality of circumferentially uniformly distributed slide rods 14 are fixedly connected to the inner cylindrical surface of the connecting pipe 2, and the extension transmission shaft 3 is used for quickly extending the transmission shaft assembly.

[0025] Further, the extension structure further comprises the sliding groove 9 and the clamping groove 10, a plurality of circumferentially uniformly distributed sliding grooves 9 are formed on one end of the outer cylindrical surface of the extension transmission shaft 3, the number and angle of the sliding grooves 9 are the same as those of the slide rods 14, a plurality of clamping grooves 10 are formed on the cylindrical surface of the extension transmission shaft 3 and are linearly distributed along the sliding grooves 9, the slide rod 14 is clamped to the clamping groove 10, the slide rod 14 slides between the sliding grooves 9, the slide rod 14 is clamped between the clamping grooves 10, so as to adjust the distance between the extension transmission shaft 3 and the connecting pipe 2, thereby adjusting the length of the transmission shaft assembly.

[0026] Further, the extension transmission shaft 3 is fixedly connected with the second connecting pipe 4 away from the first connecting pipe 2, the outer opening of the second connecting pipe 4 is fixedly connected with the extension transmission shaft 3, the bottom surface of the flange fork 5 is fixedly connected with another connecting block 6, the end of the second connecting pipe 4 away from the extension transmission shaft 3 is connected with the bottom surface of the flange fork 5, the second connecting pipe 4 and the flange fork 5 are connected through the clamping structure, the second connecting pipe 4 and the clamping structure are used for connecting the flange fork 5 and the extension transmission shaft 3, so that the transmission shaft 1, the extension structure and the flange fork 5 can be quickly disassembled and assembled.

[0027] Structure description:

[0028] Transmission shaft 1: rod structure, as the main component of power transmission, one end is connected with the flange fork 5, and the other end is provided with a clamping structure for connecting with the first connecting pipe 2, so as to realize power transmission between components;

[0029] First connecting pipe 2: cylindrical structure, provided with a plurality of circumferentially uniformly distributed expansion grooves 15 and threaded holes 11 in the inside, and fixedly connected with a sliding rod 14, connected with the transmission shaft 1 through the clamping structure, and accommodating the extension transmission shaft 3, so as to provide support for component connection and length adjustment;

[0030] Extension transmission shaft 3: rod structure, one end is provided with circumferentially uniformly distributed sliding grooves 9 and clamping grooves 10 linearly distributed along the sliding grooves, cooperated with the sliding rod 14 of the first connecting pipe 2, so as to realize length adjustment of the transmission shaft assembly, and the other end is fixedly connected with the second connecting pipe 4;

[0031] Second connecting pipe 4: cylindrical structure, one end is fixedly connected with the extension transmission shaft 3, and the other end is connected with the flange fork 5 through the clamping structure, so as to assist the extension transmission shaft 3 to complete the connection with the flange fork 5;

[0032] Flange fork 5: fork structure, connected with the end of the transmission shaft 1 and the second connecting pipe 4 respectively, used for connecting the transmission shaft assembly with other equipment, so as to realize power output and input;

[0033] Connecting block 6: block structure, one surface is fixed on the transmission shaft 1 or the flange fork 5, the cylindrical surface is provided with a plurality of circumferentially uniformly distributed insertion grooves 7, used for installing the magnetic attraction block 8, and cooperated with the clamping structure of the first connecting pipe 2 or the second connecting pipe 4, so as to realize quick connection;

[0034] Insertion groove 7: slot structure provided on the cylindrical surface of the connecting block 6, cooperated with the metal block 13, and accommodating the magnetic attraction block 8, so as to assist the realization of clamping connection;

[0035] Magnetic attraction block 8: block structure, inserted into the insertion groove 7, generates magnetic attraction force with the metal block 13, so as to enhance the tightness of the connection between the connecting block 6 and the connecting pipe;

[0036] Slide slot 9: the groove structure opened in the outer cylindrical surface of the extension transmission shaft 3, cooperates with the slide rod 14 of the connector one 2, so that the extension transmission shaft 3 can slide in the connector one 2, realize the length adjustment;

[0037] Card slot 10: the groove structure opened in the cylindrical surface of the extension transmission shaft 3, linearly distributed along the slide slot 9, and the slide rod 14 is clamped, which fixes the relative position of the extension transmission shaft 3 and the connector one 2;

[0038] Threaded hole 11: the hole structure opened in the inner cylindrical surface of the connector one 2 opposite to the opening of the expansion slot 15, cooperates with the threaded rod 12, and is used for fastening the connection between the metal block 13 and the insertion slot 7;

[0039] Threaded rod 12: the rod structure, one end is fixed with the metal block 13, the other end penetrates the threaded hole 11, and the connection and separation between the metal block 13 and the insertion slot 7 are controlled by rotating in and out;

[0040] Metal block 13: the block structure, installed in the expansion slot 15, one end is connected with the spring 16 and the threaded rod 12, and the clamping connection between the connector and the connector block 6 is realized by inserting the insertion slot 7 and magnetizing the magnetic block 8;

[0041] Slide rod 14: the rod structure, fixed in the inner cylindrical surface of the connector one 2, cooperates with the slide slot 9 and the card slot 10 of the extension transmission shaft 3, realizes the length adjustment and positioning of the transmission shaft assembly;

[0042] Expansion slot 15: the groove structure opened in the inner cylindrical surface of the connector one 2, used for installing the spring 16 and the metal block 13, and providing space for the movement of the metal block 13;

[0043] Spring 16: the spring structure, one end is fixed in the expansion slot 15, the other end is connected with the metal block 13, and the metal block 13 is inserted into the insertion slot 7 by the elastic force, which assists to realize the clamping connection

[0044] Working principle: when the transmission shaft 1 and the connecting pipe one 2 need to be connected, the end of the transmission shaft 1 with the connecting block 6 is inserted into the connecting pipe one 2, the insertion slot 7 on the cylindrical surface of the connecting block 6 is uniformly distributed in the circumferential direction, and the position and angle of the telescopic slot 15 on the inner cylindrical surface of the connecting pipe one 2 correspond, the connecting pipe one 2 or the transmission shaft 1 is rotated, so that the insertion slot 7 is accurately aligned with the telescopic slot 15, at this time, under the action of the elastic force of the spring 16, the metal block 13 extends to the direction of the insertion slot 7 and is inserted into the insertion slot 7, at the same time, the metal block 13 and the magnetic attraction block 8 in the insertion slot 7 generate magnetic attraction, further enhancing the tightness of the connection, then, the threaded rod 12 is rotated, and it is screwed in the threaded hole 11, the metal block 13 is pushed to be embedded in the insertion slot 7 more firmly, realizing the stable connection of the transmission shaft 1 and the connecting pipe one 2, and the same clamping structure is adopted when the connecting pipe two 4 and the flange fork 5 are connected, realizing the reliable connection of the two, when the length of the transmission shaft assembly needs to be adjusted, the lengthening structure can be used, the slide rod 14 on the inner cylindrical surface of the connecting pipe one 2 cooperates with the sliding groove 9 on the outer cylindrical surface of the lengthening transmission shaft 3, the slide rod 14 can slide in the sliding groove 9, at the same time, the clamping slot 10 is linearly distributed on the cylindrical surface of the lengthening transmission shaft 3 along the sliding groove 9, when the slide rod 14 slides to the appropriate position, it is clamped into the corresponding clamping slot 10, so as to fix the relative position of the lengthening transmission shaft 3 and the connecting pipe one 2, realizing the adjustment of the length of the transmission shaft assembly, such as under different working conditions, the length of the transmission shaft assembly can be flexibly adjusted according to the equipment requirements, meeting the requirements of power transmission, when the transmission shaft assembly needs to be disassembled, first, the threaded rod 12 is rotated, and it moves to the outside of the connecting pipe one 2, the threaded rod 12 drives the metal block 13 to move out of the insertion slot 7, the magnetic attraction connection between the metal block 13 and the magnetic attraction block 8 and the insertion connection with the insertion slot 7 are released, at this time, the connecting block 6 at the end of the transmission shaft 1 can be pulled out of the connecting pipe one 2, realizing the separation of the transmission shaft 1 and the connecting pipe one 2, and the same steps can be used to realize the disassembly and separation of the connecting pipe two 4 and the flange fork 5.

[0045] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A modular quick-release drive shaft assembly, comprising a drive shaft (1) and a flange fork (5), wherein the flange fork (5) is mounted on one end of the drive shaft (1), characterized in that: One end of the drive shaft (1) is provided with a snap-fit ​​structure, which is located inside the first connector (2). The first connector (2) is provided with an extension structure, and the other end of the extension structure is fixedly connected to the second connector (4). The second connector (4) is provided with another set of snap-fit ​​structures, and the other end of the snap-fit ​​structure is equipped with a flange fork (5).

2. The modular quick-release drive shaft assembly according to claim 1, characterized in that: The snap-fit ​​structure includes a connecting block (6), a slot (7) and a magnetic block (8). One side of the connecting block (6) is fixedly connected to one end of the drive shaft (1). Multiple slots (7) are evenly distributed around the circumference on the cylindrical surface of the connecting block (6). Magnetic blocks (8) are inserted into each slot (7).

3. A modular quick-release drive shaft assembly according to claim 2, characterized in that: The snap-fit ​​structure also includes a threaded hole (11), a threaded rod (12), a metal block (13), a telescopic groove (15), and a spring (16). Multiple circumferentially distributed telescopic grooves (15) are formed on the inner cylindrical surface of the first connector (2). The telescopic grooves (15) are located near one of the opening ends of the first connector (2). The opposite side of the opening of each telescopic groove (15) extends into the first connector (2) and is formed by threaded holes (11). The number and angle of the telescopic grooves (15) are the same as those of the slot (7). A spring (16) is fixedly connected to the opposite side of the opening. A metal block (13) is fixedly connected to the other end of the spring (16). A threaded rod (12) is fixedly connected to the side of the metal block (13) connected to the spring (16). The other end of the threaded rod (12) passes through the threaded hole (11) and the threaded rod (12) is threadedly connected to the threaded hole (11). The connecting pipe (2) is sleeved on the outside of the connecting block (6). The metal block (13) is inserted into the slot (7) and magnetically connected to the magnetic block (8).

4. A modular quick-release drive shaft assembly according to claim 3, characterized in that: The extension structure includes an extension drive shaft (3) and a slide rod (14). The extension drive shaft (3) is inserted into the end of the first connector (2) away from the connecting block (6). Multiple slide rods (14) are fixedly connected to the inner cylindrical surface of the first connector (2) and evenly distributed around the circumference.

5. A modular quick-release drive shaft assembly according to claim 4, characterized in that: The extension structure also includes a sliding groove (9) and a slot (10). One end of the outer cylindrical surface of the extension drive shaft (3) is provided with multiple circumferentially evenly distributed sliding grooves (9). The number and angle of the sliding grooves (9) are the same as those of the slide rod (14). Multiple slots (10) are provided on the cylindrical surface of the extension drive shaft (3) and are distributed in a straight line along the sliding grooves (9). The slide rod (14) is engaged with the slots (10).

6. A modular quick-release drive shaft assembly according to claim 5, characterized in that: The end of the extended drive shaft (3) opposite to the first connector (2) is fixedly connected to the second connector (4). The side of the second connector (4) with the outer opening opposite to the extended drive shaft (3) is fixedly connected to the extended drive shaft (3). The bottom surface of the flange fork (5) is fixedly connected to another connecting block (6). The end of the second connector (4) opposite to the extended drive shaft (3) is connected to the bottom surface of the flange fork (5). The second connector (4) and the flange fork (5) are connected by a snap-fit ​​structure.