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CN-121989615-A - Connecting rod rocker arm matching structure

CN121989615ACN 121989615 ACN121989615 ACN 121989615ACN-121989615-A

Abstract

The application discloses a connecting rod rocker arm matching structure which comprises a first matching part and a second matching part, wherein the first matching part is provided with a first matching hole, the first matching part comprises a first matching face part, at least part of the first matching face part surrounds the first matching hole, the second matching part comprises a supporting structure and a first protruding part, at least part of the supporting structure is positioned in the first matching hole, the first protruding part is matched with the first matching face part, the supporting structure comprises a first body part, a second body part and a third body part, and the first body part, the second body part and the third body part are circumferentially arranged at intervals. The first body part, the second body part and the third body part are circumferentially arranged at intervals, and when in molding, the first body part, the second body part and the third body part are deformed respectively to eliminate thermal stress, so that molding defects are reduced.

Inventors

  • Request for anonymity

Assignees

  • 浙江三花绿能实业集团有限公司

Dates

Publication Date
20260508
Application Date
20241108

Claims (10)

  1. 1. The utility model provides a connecting rod rocking arm cooperation structure, its characterized in that includes first cooperation portion (20) and second cooperation portion (100), first cooperation portion (20) have first mating hole (200), first cooperation portion (20) include first mating face portion (23), at least part first mating face portion (23) encircle first mating hole (200), second cooperation portion (100) include bearing structure (14) and first bulge (154), at least part bearing structure (14) are located first mating hole (200), first bulge (154) are compared bearing structure (14) protrusion setting, first bulge (154) are from bearing structure (14) radial distance from the direction of first mating hole (200) protrusion, first bulge (154) cooperate with first mating face portion (23); The support structure (14) comprises a support body part (140), wherein the support body part (140) comprises a first body part (141), a second body part (142) and a third body part (143), and the first body part (141), the second body part (142) and the third body part (143) are circumferentially arranged at intervals; The connecting rod rocker arm matching structure comprises a connecting rod structure (1) and a rocker arm structure (2), one of the first matching part (20) and the second matching part (100) is positioned on the connecting rod structure (1), and the other is positioned on the rocker arm structure (2).
  2. 2. The connecting rod rocker arm mating structure according to claim 1, wherein the support structure (14) has a support cavity (104), the first body portion (141), the second body portion (142) and the third body portion (143) forming part of a peripheral side wall of the support cavity (104).
  3. 3. The connecting rod rocker arm mating structure according to claim 2, characterized in that the rocker arm structure (2) comprises the first mating portion (20), the connecting rod structure (1) comprises the second mating portion (100); The connecting rod structure (1) comprises a connecting rod body part (10), the connecting rod body part (10) comprises a first side part (11) and a second side part (12), the first side part (11) and the second side part (12) are respectively positioned on different sides of the thickness direction of the connecting rod body part (10), the first body part (141), the second body part (142) and the third body part (143) extend from the first side part (11) to a direction far away from the connecting rod body part (10), the supporting cavity (104) penetrates through the first side part (11) and the second side part (12), and extends from the first side part (11) to a direction far away from the connecting rod body part (10), and the first body part (141), the second body part (142) and the third body part (143) circumferentially surround the supporting cavity (104).
  4. 4. A connecting rod rocker arm mating structure according to claim 3, wherein the first side surface portion (11) and the second side surface portion (12) are each flat, and the first body portion (141), the second body portion (142) and the third body portion (143) extend in a direction perpendicular to the first side surface portion (11).
  5. 5. The connecting rod rocker arm fitting structure according to any one of claims 1 to 4, wherein the support structure (14) comprises a support frame (147), along the circumferential direction of the first fitting hole (200), the support frame (147) is located at one side of the support body portion (140) away from the first side portion (11), the support frame (147) forms part of the top wall of the support cavity (104), the support frame (147) comprises a connecting portion (148), a first support portion (144), a second support portion (145) and a third support portion (146), one side of the first support portion (144) in the length direction is connected with the connecting portion (148), the other side of the first support portion (144) in the length direction is connected with the first body portion (141), one side of the second support portion (145) in the length direction is connected with the connecting portion (148), the other side of the second support portion (145) in the length direction is connected with the second body portion (142), one side of the third support portion (146) in the length direction is connected with the connecting portion (148), the other side of the third support portion (146) in the length direction is connected with the third support portion (144), or any one of the other side of the first support portion (144) in the length direction is arranged in the shape of the length direction The second supporting portions (145) and the third supporting portions (146) are arranged in a Y shape.
  6. 6. The link rocker arm mating structure according to claim 5, characterized in that a distance from the connecting portion (148) to the support body portion (140) of the support body portion (140) is equal to a distance from the connecting portion (148) to the support body portion (140) of the second support portion (145), and a distance from the connecting portion (148) to the support body portion (140) of the second support portion (145) is equal to a distance from the connecting portion (148) to the support body portion (140) of the third support portion (146).
  7. 7. The connecting rod rocker arm engagement structure according to claim 6, wherein any two of the first support portion (144), the second support portion (145) and the third support portion (146) have an included angle of 120 °.
  8. 8. The link rocker arm engaging structure according to claim 5, wherein the second engaging portion (100) includes a first engaging portion (151), a second engaging portion (152) and a third engaging portion (153), the first engaging portion (151) includes a first engaging body portion (1510) and the first projecting portion (154), the first projecting portion (154) projects from the first engaging body portion (1510) in a direction away from the connecting portion (148) in a circumferential direction of the supporting structure (14), the first projecting portion (154) has a first boss face portion (1540), the first boss face portion (1540) engages with the first engaging portion (23), the first engaging body portion (1510) is located between the first body portion (141) and the second body portion (142) in a circumferential direction, the second engaging portion (152) includes a second engaging body portion (1520) and a second projecting portion (155), the second projecting portion (155) projects from the first engaging body portion (1510) in a direction away from the connecting portion (148), the first projecting portion (154) includes a second engaging portion (1550) and the third engaging portion (153), the third protruding portion (156) protrudes from the third fastening body portion (1530) in a direction away from the connecting portion (148), the third protruding portion (156) is provided with a third boss face portion (1560), the second boss face portion (1550) and the third boss face portion (1560) are all matched with the first fastening body portion (23), the second fastening body portion (1520) is circumferentially located between the second body portion (142) and the third body portion (143), the third fastening body portion (1530) is circumferentially located between the third body portion (143) and the first body portion (141), the first fastening body portion (1510), the second body portion (142), the second fastening body portion (1520), the third body portion (143) and the third fastening body portion (1530) are circumferentially arranged at intervals, the first boss face portion (1540), the second boss portion (1550), the third boss face portion (1560) are all matched with the first boss face portion (1560), the second boss face portion (1560) and the first boss face portion (1560) are located on the same plane.
  9. 9. The link rocker arm engagement structure according to claim 8, wherein the outer peripheral side wall of the first engagement body portion (1510), the outer peripheral side wall of the second engagement body portion (1520), the outer peripheral side wall of the third engagement body portion (1530), the outer peripheral side wall of the first body portion (141), the outer peripheral side wall of the second body portion (142), and the outer peripheral side wall of the third body portion (143) are all located on the same peripheral surface, the connecting portion (148) is located at an axial center position of the support structure (14), and the outer peripheral side wall of the first engagement body portion (1510), the outer peripheral side wall of the second engagement body portion (1520), the outer peripheral side wall of the third engagement body portion (1530), the outer peripheral side wall of the first body portion (141), the outer peripheral side wall of the second body portion (142), and the outer peripheral side wall of the third body portion (143) are engaged with a wall forming the first engagement hole (200).
  10. 10. The link rocker arm engagement structure according to claim 8, wherein the link structure (1) includes a third side portion (13), the third side portion (13) being located between the first side portion (11) and the second side portion (12), the first engagement portion (151), the second engagement portion (152), and the third engagement portion (153) each extending from the third side portion (13) toward the first side portion (11); The second matching part (100) is a plastic part, and the connecting rod structure (1) is an integral part.

Description

Connecting rod rocker arm matching structure Technical Field The application relates to the technical field of air conditioning boxes, in particular to a connecting rod rocker arm matching structure for a vehicle. Background The air conditioner case comprises a connecting rod and a rocker arm, one of the connecting rod and the rocker arm is provided with a matching hole, the other one of the connecting rod and the rocker arm is provided with an inserting structure, the inserting structure is provided with a matching boss, the matching boss enables the inserting structure to penetrate into the matching hole through deformation, and the matching boss is matched with the end face positioned on the periphery of the inserting hole through recovery deformation so as to achieve a connecting structure between the connecting rod and the rocker arm. In the related art, the plugging structure comprises a plugging body and the matching boss, the plugging body is a continuous plate-shaped body or a block-shaped body, the plugging body is easy to deform due to the problem of internal stress when the structure is formed, and the size of the plugging body is easy to exceed the tolerance range. Disclosure of Invention In order to improve the technical problems, the application provides a connecting rod rocker arm matching structure, which comprises a connecting rod structure, a rocker arm structure, a first matching part and a second matching part, wherein one of the first matching part and the second matching part is positioned in the connecting rod structure, and the other is positioned in the rocker arm structure; The first matching part is provided with a first matching hole, the first matching part comprises a first matching face part, at least part of the first matching face part surrounds the first matching hole, the second matching part comprises a supporting structure and a first protruding part, at least part of the supporting structure is positioned in the first matching hole, the first protruding part protrudes out of the supporting structure in the direction away from the first matching hole in the radial direction, and the first protruding part is matched with the first matching face part; The support structure comprises a support body part, wherein the support body part comprises a first body part, a second body part and a third body part, and the first body part, the second body part and the third body part are circumferentially arranged at intervals. The first body part, the second body part and the third body part are arranged at intervals, when the first body part, the second body part and the third body part are deformed respectively to eliminate thermal stress during molding, and compared with a continuous plate-shaped body or a block-shaped body in which at least two of the first body part, the second body part and the third body part are connected together, the first body part, the second body part and the third body part which are mutually spaced are respectively eliminated stress during deformation, and the deformation amplitude is smaller, so that the first body part, the second body part and the third body part are easy to control within an ideal tolerance range. Drawings FIG. 1 is a schematic perspective view of a connecting rod rocker arm mating structure according to an embodiment of the present application; FIG. 2 is an exploded perspective view of the connecting rod rocker arm mating structure of FIG. 1; FIG. 3 is a first cross-sectional view of a connecting rod rocker arm mating structure in accordance with an embodiment of the present application; FIG. 4 is a second cross-sectional view of a connecting rod rocker arm mating structure in accordance with an embodiment of the present application; Fig. 5 is a schematic view of a first directional perspective structure of the link structure 1 shown in fig. 1; fig. 6 is a schematic front view of the link structure 1 shown in fig. 5; fig. 7 is a schematic perspective view of the link structure 1 of fig. 5 in a second direction; fig. 8 is a schematic perspective view of the rocker arm structure 2 of fig. 1 in a first direction; Fig. 9 is a schematic perspective view of the rocker arm structure 2 of fig. 8 in a second direction. The connecting rod structure comprises a connecting rod structure, a connecting rod body part, a connecting rod 11, a first side part, a second side part, a 13, a third side part, a 14, a supporting structure, a 140, a supporting body part, a 141, a first body part, a 142, a second body part, a 143, a third body part, a 144, a first supporting part, a 145, a second supporting part, a 146, a third supporting part, a 147, a supporting frame, a 148, a connecting part, a 15, a buckling part, a 151, a first buckling part, a 1510, a first buckling body part, 152, a second buckling part, 1520, a second buckling body part, 153, a third buckling part, 1530, a third buckling body part, 154, a first protruding part, 1540, a first boss