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CN-224229118-U - Telescopic transmission shaft connecting device

CN224229118UCN 224229118 UCN224229118 UCN 224229118UCN-224229118-U

Abstract

The utility model relates to the technical field of mechanical part connecting equipment and discloses a telescopic transmission shaft connecting device which comprises a shell, wherein a connecting groove is formed in the center of the shell, a first limiting ring and a second limiting ring are fixedly arranged in the shell, the first limiting ring is positioned in the second limiting ring, four racks are arranged in the shell, one ends of the four racks penetrate through the first limiting ring and the second limiting ring and extend into the connecting groove and are fixedly provided with fixing blocks, and a driving assembly is positioned on one side of the shell and used for driving the four racks to be close to or far away from each other, so that transmission shafts with different diameters can be connected, the device is not required to be replaced, the connection of transmission shafts is realized quickly, meanwhile, a rubber pad can play a buffering role, rigid collision damage parts are avoided, meanwhile, the friction force can be increased by the rubber pad, and the two connecting shafts are connected more firmly.

Inventors

  • WEI LE
  • PU HAILIANG

Assignees

  • 苏州苏万传动技术有限公司

Dates

Publication Date
20260512
Application Date
20250527

Claims (7)

  1. 1. The utility model provides a retractable transmission shaft connecting device which characterized in that includes: The device comprises a shell (1), wherein a connecting groove (2) is formed in the center of the shell (1), a first limiting ring (3) and a second limiting ring (4) are fixedly arranged in the shell (1), the first limiting ring (3) is positioned in the second limiting ring (4), four racks (5) are arranged in the shell (1), and one ends of the four racks (5) penetrate through the first limiting ring (3) and the second limiting ring (4) and extend into the connecting groove (2) and are fixedly provided with fixing blocks (6); the driving assembly is positioned on one side of the shell (1) and is used for driving the four racks (5) to be close to or far away from each other.
  2. 2. The telescoping drive shaft connection assembly as recited in claim 1 wherein said drive assembly comprises: The rotary ring (8), rotary ring (8) rotate and install in spacing ring two (4), the inside wall and the lateral wall of rotary ring (8) are a plurality of gear teeth one (12) and a plurality of gear teeth two (13) of fixed mounting respectively, just be located one side meshing of gear teeth two (13) and install gear one (9) in casing (1), one side fixed mounting of casing (1) has motor (10), the output of motor (10) runs through one side of casing (1) and with gear one (9) coaxial coupling, just be located one side rotation of four racks (5) respectively in casing (1) and install four gear two (14), four gear two (14) respectively with corresponding rack (5) and a plurality of gear teeth one (12) meshing connection.
  3. 3. The telescopic transmission shaft connecting device according to claim 2, wherein the output shaft of the motor (10) is rotatably connected with the housing (1), and the rotating ring (8) is integrally formed with a plurality of first gear teeth (12) and a plurality of second gear teeth (13).
  4. 4. The telescopic transmission shaft connecting device according to claim 1, wherein four fixing blocks (6) are slidably connected with the connecting grooves (2), and four racks (5) are annularly and equidistantly arranged.
  5. 5. The telescopic transmission shaft connecting device according to claim 1, wherein rubber pads (7) are fixedly arranged on the corresponding sides of the four fixed blocks (6).
  6. 6. The telescopic transmission shaft connecting device according to claim 2, wherein a protective shell (11) is fixedly arranged on one side of the shell (1), and the motor (10) is positioned in the protective shell (11).
  7. 7. The telescopic transmission shaft connecting device according to claim 1, wherein the shell (1), the first limiting ring (3) and the second limiting ring (4) are of an integrally formed structure.

Description

Telescopic transmission shaft connecting device Technical Field The utility model relates to the technical field of mechanical part connecting equipment, in particular to a telescopic transmission shaft connecting device. Background The transmission shaft is a key part for transmitting power and torque in a mechanical transmission system, and mainly aims to transmit the rotary motion of a power source (such as an engine and a motor) to an actuating mechanism (such as a wheel, a gear box and the like) so as to realize remote transmission of energy. The transmission shaft of specific diameter is only adapted to traditional connecting device usually, when the different specification axles need to be connected, need to change a whole set of adapting unit, and complex operation, with high costs are difficult to satisfy diversified industrial scene demand. In view of this, we propose a telescopic drive shaft connection. Disclosure of utility model The present utility model is directed to a telescopic transmission shaft connecting device, which solves the above-mentioned problems. In order to achieve the above purpose, the utility model provides a telescopic transmission shaft connecting device, comprising: The device comprises a shell, wherein a connecting groove is formed in the center of the shell, a first limiting ring and a second limiting ring are fixedly arranged in the shell, the first limiting ring is positioned in the second limiting ring, four racks are arranged in the shell, and one ends of the four racks penetrate through the first limiting ring and the second limiting ring and extend into the connecting groove and are fixedly provided with fixing blocks; The driving assembly is positioned on one side of the shell and used for driving the four racks to be close to or far away from each other. Preferably, the driving assembly includes: The rotary ring is rotatably arranged in the second limiting ring, a plurality of first gear teeth and a plurality of second gear teeth are fixedly arranged on the inner side wall and the outer side wall of the rotary ring respectively, a first gear is meshed and arranged on one side of the second gear teeth in the shell, a motor is fixedly arranged on one side of the shell, the output end of the motor penetrates through one side of the shell and is coaxially connected with the gears, four second gears are rotatably arranged on one sides of the four racks in the shell respectively, and the four second gears are meshed and connected with the corresponding racks and the plurality of first gear teeth respectively. Preferably, the output shaft of the motor is rotatably connected with the housing, and the rotating ring, the first gear teeth and the second gear teeth are integrally formed. Preferably, the four fixing blocks are all in sliding connection with the connecting grooves, and the four racks are arranged in an annular equidistant manner. Preferably, rubber pads are fixedly arranged on the corresponding sides of the four fixing blocks. Preferably, a protective shell is fixedly arranged on one side of the shell, and the motor is positioned in the protective shell. Preferably, the shell, the first limiting ring and the second limiting ring are of an integrated structure. Compared with the prior art, the utility model provides a telescopic transmission shaft connecting device, which has the following beneficial effects: This telescopic transmission shaft connecting device, under the cooperation between rack, fixed block, rubber pad and the drive assembly that set up, ensure can be connected different diameter transmission shafts, need not to change the device, the quick realization is connected to the transmission shaft, and the rubber pad can play the cushioning effect simultaneously, avoids rigidity collision damage part, and the rubber pad can also increase frictional force simultaneously, makes two connecting axle connect more firmly. Drawings For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it will be apparent that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art: FIG. 1 is a schematic diagram of the structure of the present utility model; FIG. 2 is a second schematic diagram of the structure of the present utility model; FIG. 3 is a schematic diagram III of the structure of the present utility model; FIG. 4 is a schematic view showing the internal detailed structure of the housing of the present utility model; FIG. 5 is a schematic cross-sectional view of the housing of the present utility model; Fig. 6 is an enlarged schematic view of the structure of fig. 5 a according to the present utility model. The device comprises a shell, a connecting groove