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CN-224214593-U - Inner tube connecting transmission structure

CN224214593UCN 224214593 UCN224214593 UCN 224214593UCN-224214593-U

Abstract

The utility model belongs to the technical field of mechanical transmission, and discloses an inner tube connecting transmission structure, which comprises a tube wall, a connecting piece, a matching piece and a fixing piece, wherein the tube wall is provided with a fixing hole, the connecting piece is arranged in the tube wall, the connecting piece comprises a force transmission part and an elastic part, the elastic part can reduce vibration and impact and can absorb and buffer vibration and impact energy generated in the transmission process to avoid damage, the force transmission part is embedded in a groove of the elastic part, the force transmission part is used for being connected with a transmission end of a transmission mechanism, the matching piece is arranged between the tube wall and the elastic part along the circumferential direction of the tube wall, the inner ring of the matching piece is abutted to the periphery of the elastic part, the outer ring of the matching piece is abutted to the inner periphery of the tube wall, the matching piece is provided with a fixing groove, one end of the fixing piece is in clamping connection with the fixing groove, the other end of the fixing piece is in clamping connection with the fixing hole, high torque is reliably transmitted, various application scenes with high torque requirements are met, and the reliability and the stability of the connecting structure are improved.

Inventors

  • XIE WEIQUN
  • Ke Shanyao
  • LU ZHIQIANG
  • HOU YONGQUAN

Assignees

  • 苏州市兆威工业科技有限公司
  • 深圳市兆威机电股份有限公司

Dates

Publication Date
20260508
Application Date
20250618

Claims (10)

  1. 1. Inner tube connection transmission structure, its characterized in that includes: The pipe wall (1), the pipe wall (1) is provided with a fixed hole (11); The connecting piece (2), the connecting piece (2) is arranged in the pipe wall (1), the connecting piece (2) comprises a force transmission part (21) and an elastic part (22), the elastic part (22) is provided with a groove (221), the force transmission part (21) is embedded in the groove (221), and the force transmission part (21) is used for being connected with a transmission end of a transmission mechanism; The matching piece (3) is arranged between the pipe wall (1) and the elastic part (22) along the circumferential direction of the pipe wall (1), the inner ring of the matching piece (3) is abutted to the outer periphery of the elastic part (22), the outer ring of the matching piece (3) is abutted to the inner periphery of the pipe wall (1), and the matching piece (3) is provided with a fixing groove (31); the fixing piece (4), the one end of fixing piece (4) with fixed slot (31) joint sets up, the other end of fixing piece (4) with fixed orifices (11) joint sets up.
  2. 2. The inner pipe connection transmission structure according to claim 1, wherein the fixing member (4) comprises two fixing portions (41) and an intermediate portion (42), the two fixing portions (41) are respectively connected to two ends of the intermediate portion (42), the width of the fixing portion (41) is larger than that of the intermediate portion (42) along the circumferential direction of the pipe wall (1), the intermediate portion (42) is located at an opening of the fixing groove (31), and the two fixing portions (41) can be respectively clamped to the fixing groove (31) and the fixing hole (11).
  3. 3. The inner pipe connection transmission structure according to claim 2, wherein the fixing groove (31) includes an opening portion (311) and a main body portion (312), the main body portion (312) has a width larger than that of the opening portion (311), the main body portion (312) is configured to be provided in a clamping manner with the fixing portion (41), and the opening portion (311) is configured to be provided in a sliding clamping manner with the intermediate portion (42).
  4. 4. An inner pipe connection transmission structure according to claim 1, characterized in that the fixing groove (31) has a convex-shaped longitudinal section.
  5. 5. The inner pipe connection transmission structure according to claim 1, wherein the number of the fixing members (4), the fixing grooves (31) and the fixing holes (11) is plural, the fixing holes (11) are arranged at intervals along the circumferential direction of the pipe wall (1) and are arranged in one-to-one correspondence with the fixing grooves (31), and the fixing members (4) are clamped and arranged in the corresponding fixing holes (11) and fixing grooves (31).
  6. 6. The inner pipe connection transmission structure according to claim 1, wherein the outer periphery of the force transmission part (21) is convexly provided with a protruding part (23), the inner side wall of the groove (221) is provided with a positioning part (222), the protruding part (23) is clamped on the inner side of the positioning part (222), the force transmission part (21) is provided with a mounting hole (211), the cross section of the mounting hole (211) is of a polygonal structure, and the mounting hole (211) is used for mounting a transmission end of the transmission mechanism.
  7. 7. The inner pipe connection transmission structure according to claim 6, wherein the number of the protruding portions (23) and the positioning portions (222) is plural, the protruding portions (23) are arranged at intervals along the circumferential direction of the pipe wall (1), and the positioning portions (222) are configured to be respectively arranged in one-to-one correspondence with the protruding portions (23).
  8. 8. The inner pipe connection transmission structure according to claim 6, wherein the inner ring of the mating member (3) has a plurality of concave portions (32), and the plurality of concave portions (32) are arranged at intervals along the circumferential direction of the pipe wall (1) and are respectively clamped with the outer sides of the plurality of positioning portions (222) in a one-to-one correspondence manner.
  9. 9. The inner pipe connection transmission structure according to claim 1, wherein a limiting portion (223) is provided at an outer edge of one end of the elastic portion (22) along an axial direction of the pipe wall (1), and the limiting portion (223) can be abutted against an end face of the mating member (3).
  10. 10. The inner pipe connection transmission structure according to claim 1, wherein the mating member (3) is further provided with a plurality of through holes (33), and the plurality of through holes (33) are arranged at intervals along the circumferential direction of the pipe wall (1).

Description

Inner tube connecting transmission structure Technical Field The utility model relates to the technical field of mechanical transmission, in particular to an inner tube connecting transmission structure. Background In mechanical transmission systems, it is often necessary to reliably connect the individual components and achieve high torque transfer to ensure proper operation of the device. For example, in some industrial equipment, automotive transmission systems, and certain components in the aerospace field, there are extremely high demands on the strength and stability of the connection structure. At present, common inner pipe connection transmission structures are mainly connected by bolts and welding. In the high moment transmission process of the bolt connection, the bolt is easy to cause connection failure due to overlarge stress, and in the welding process of the welding connection, thermal stress can be generated to cause material deformation, so that the reliability and stability of the connecting structure are affected. In addition, during the transmission process, the connecting structure can generate vibration and impact, so that the connecting structure is damaged. Therefore, there is a need for an inner tube connection transmission structure to solve the above problems. Disclosure of utility model The utility model aims to provide an inner pipe connecting transmission structure which can reduce vibration and impact, absorb and buffer vibration and impact energy generated in the transmission process, avoid structural damage, reliably transfer high torque through pressing a fixing piece and assembling a matching piece on the pipe wall, and improve the reliability and stability of the connecting structure. In order to solve the problems existing in the prior art, the utility model adopts the following technical scheme: inner tube connection transmission structure includes: The pipe wall is provided with a fixing hole; The connecting piece is arranged in the pipe wall and comprises a force transmission part and an elastic part, the elastic part is provided with a groove, the force transmission part is embedded in the groove, and the force transmission part is used for being connected with a transmission end of the transmission mechanism; The matching piece is arranged between the pipe wall and the elastic part along the circumferential direction of the pipe wall, the inner ring of the matching piece is abutted against the outer periphery of the elastic part, the outer ring of the matching piece is abutted against the inner periphery of the pipe wall, and the matching piece is provided with a fixing groove; The fixing piece, the one end of fixing piece with fixed slot joint sets up, the other end of fixing piece with fixed hole joint sets up. Preferably, the fixing piece comprises two fixing parts and a middle part, the two fixing parts are respectively connected to two ends of the middle part, the width of each fixing part is larger than that of the middle part along the circumferential direction of the pipe wall, the middle part is located at the opening of the fixing groove, and the two fixing parts can be respectively clamped in the fixing groove and the fixing hole. Preferably, the fixing groove includes an opening portion and a main body portion, the main body portion has a width larger than that of the opening portion, the main body portion is configured to be engaged with the fixing portion, and the opening portion is configured to be engaged with the intermediate portion in a sliding manner. Preferably, the longitudinal section of the fixing groove is in a convex structure. Preferably, the fixing piece, the fixing groove and the fixing holes are all multiple in number, the fixing holes are arranged at intervals along the circumferential direction of the pipe wall and are arranged in one-to-one correspondence with the fixing grooves, and the fixing pieces are clamped and arranged in the corresponding fixing holes and fixing grooves. Preferably, the periphery of the force transmission part is convexly provided with a protruding part, the inner side wall of the groove is provided with a fixing part, the protruding part is clamped on the inner side of the fixing part, the force transmission part is provided with a mounting hole, the cross section of the mounting hole is of a polygonal structure, and the mounting hole is used for mounting a transmission end of a transmission mechanism. Preferably, the number of the protruding portions and the number of the fixing portions are all multiple, the protruding portions are arranged at intervals along the circumferential direction of the pipe wall, and the fixing portions are configured to be respectively clamped with the protruding portions in a one-to-one correspondence mode. Preferably, the inner ring of the mating member has a plurality of concave portions, and the plurality of concave portions are arranged at intervals along the circumferential