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CN-224228462-U - Deformation-preventing refrigerator hinge bearing structure

CN224228462UCN 224228462 UCN224228462 UCN 224228462UCN-224228462-U

Abstract

The utility model discloses an anti-deformation refrigerator hinge bearing structure which comprises a hinge seat, a hinge core, a positioning structure and an assembling and fixing structure. The hinge seat has profiling reinforcing ribs in the head area to strengthen the bearing strength of the hinge shaft, and the door has bending and void avoiding part in the movable area to avoid friction interference with the refrigerator door. The hinge core penetrates through the core shaft of the hinge seat and is fixedly connected with the hinge seat, and a pin shaft is arranged at the end part of the hinge core and is used for riveting and fixing the hinge core and the hinge seat. The positioning structure adopts square positioning holes, so that the assembly precision is improved, and the hinge cover is assembled and fixed by the assembly fixing structure through the cooperation of the punching notch and the clamping piece. According to the utility model, through the profiling reinforcing rib formed by integral stamping and the optimized structural design, the deformation resistance and the bearing strength of the hinge are obviously improved, meanwhile, the friction loss is reduced, the assembly process is simplified, the production efficiency is improved, and the refrigerator door body connecting structure is suitable for the connecting requirements of a plurality of groups of refrigerator door bodies.

Inventors

  • YANG PENG

Assignees

  • 江苏双鹿电器有限公司

Dates

Publication Date
20260512
Application Date
20250512

Claims (8)

  1. 1. A deformation-preventing refrigerator hinge bearing structure is characterized by comprising The hinge seat (100) is provided with a profiling reinforcing rib (101) in the head area for enhancing the bearing strength of the hinge shaft part, and a bent clearance part (102) is arranged in the door body moving area of the hinge seat (100) for avoiding interference friction with the refrigerator door body; The hinge core (200) penetrates through the core shaft of the hinge seat (100) and is fixedly connected with the hinge seat (100), and a pin shaft (201) is arranged at the end part of the hinge core (200) and is used for riveting and fixing the hinge core (200) and the hinge seat (100); A positioning structure (300) comprising a positioning hole arranged on the hinge base (100), comprising a square hole (301) and a screw fixing hole (302) for mounting the hinge base (100); The hinge base (100) is provided with a punching notch (401) for arranging a hinge cover (402) by assembling the fixing structure (400).
  2. 2. The hinge bearing structure of the refrigerator with deformation prevention according to claim 1, wherein the profiling reinforcing ribs (101) are distributed in an L shape along the head area of the hinge base (100) and the bending clearance part (102), the profiling reinforcing ribs (101) are arranged on the hinge base (100) in a protruding shape, and an integrated strengthening support is formed with the surface of the hinge base (100).
  3. 3. The hinge load-bearing structure of refrigerator with deformation prevention according to claim 1, wherein the cross section of the profiling reinforcing rib (101) is in a U-shaped structure and is integrally formed with the outline of the hinge base (100) in a punching mode, so that the deformation resistance of the hinge shaft part is enhanced.
  4. 4. The refrigerator hinge load-bearing structure of claim 1, wherein the positioning hole is positioned at the mounting end of the hinge base (100), the square hole (301) is tightly matched with the positioning protruding block on the refrigerator body to realize high-precision assembly positioning, and the screw fixing hole (302) is used for being matched with a screw to realize the mounting and fastening of the hinge base (100).
  5. 5. The refrigerator hinge load-bearing structure of claim 1, wherein the bending clearance part (102) is of an arc bending structure, the top end of the bending clearance part is in smooth transition with the head area of the hinge seat (100), and the bottom end of the bending clearance part is connected with the tail area of the hinge seat (100), so that the hinge seat (100) and the refrigerator door body are in non-contact friction when the refrigerator door body is opened and closed.
  6. 6. The refrigerator hinge load-bearing structure according to claim 1, wherein the stamping notch (401) is arranged at the edge of the hinge base (100), and the hinge cover (402) is covered on the stamping notch (401) in a protruding mode.
  7. 7. The hinge support structure for a refrigerator having a deformation preventing function according to claim 1, wherein the outer circumferential wall of said hinge core (200) is provided with a wear-resistant coating to reduce friction loss during rotation of said hinge core (200).
  8. 8. The refrigerator hinge load-bearing structure according to claim 1, wherein the hinge base (100) is formed by integrally stamping a cold-rolled steel plate, and the hinge core (200) is made of cold-drawn round steel Q235A.

Description

Deformation-preventing refrigerator hinge bearing structure Technical Field The utility model relates to the technical field related to refrigerator hinges, in particular to an anti-deformation refrigerator hinge bearing structure. Background The refrigerator hinge is used as a key component for connecting the refrigerator door body and the refrigerator body, and the service life and the user experience of the refrigerator are directly affected by the bearing strength, the deformation resistance and the assembly precision of the refrigerator hinge. At present, refrigerator hinges on the market mainly have the following problems: The traditional hinge usually adopts a flat plate structure or a simple flanging and bending design, is easy to deform in the long-term bearing or transportation process, and particularly has concentrated stress on the hinge shaft part, which is easy to cause the hinge to twist or break, thereby influencing the opening and closing smoothness of the refrigerator door. The assembly precision is low, the existing hinge mostly adopts a circular positioning hole or a common screw fixing mode, and deviation is easy to generate during assembly, so that the refrigerator door body is not tightly matched with the refrigerator body, and the tightness and the attractiveness are affected. The friction interference problem is that part of the hinge is in contact friction with the refrigerator door body in the opening and closing process of the door body, abnormal sound or abrasion is easy to generate after long-term use, and the service life of the hinge is reduced. The processing technology is complex, and part of the reinforcing structure adopts welding or split type design, so that the production cost is increased, the dimensional accuracy is difficult to control, and the assembly efficiency is influenced. In order to solve the above problems, some improvements in the prior art, such as adding local reinforcing ribs or optimizing the shape of the hinge, but the prior art still has the defects of limited structural strength improvement, high processing cost, insufficient assembly precision and the like. Therefore, there is a need for a new refrigerator hinge load bearing structure that optimizes the assembly process, improves the production efficiency, and reduces the friction loss while ensuring high strength. Disclosure of utility model This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model. Therefore, in order to solve the technical problems, the utility model provides the following technical scheme that the anti-deformation refrigerator hinge bearing structure comprises The hinge seat is characterized in that the head area of the hinge seat is provided with a profiling reinforcing rib for enhancing the bearing strength of a hinge shaft part, and the door body moving area of the hinge seat is provided with a bending clearance part for avoiding interference friction with a refrigerator door body; The hinge core penetrates through the mandrel of the hinge seat and is fixedly connected with the hinge seat, and a pin shaft is arranged at the end part of the hinge core and is used for riveting and fixing the hinge core and the hinge seat; The positioning structure comprises positioning holes arranged on the hinge seat, and comprises square holes and screw fixing holes for mounting the hinge seat; And the hinge seat is provided with a stamping notch for arranging the hinge cover. As a preferable scheme of the deformation-preventing refrigerator hinge bearing structure, the profiling reinforcing ribs are distributed in an L shape along the head area and the bending clearance part of the hinge base, are arranged on the hinge base in a convex shape and form an integrated reinforcing support with the surface of the hinge base. As an optimal scheme of the deformation-preventing refrigerator hinge bearing structure, the cross section of the profiling reinforcing rib is of a U-shaped structure and is integrally formed with the outline of the hinge base in a punching mode, so that the deformation resistance of a hinge shaft part is improved. As a preferable scheme of the deformation-preventing refrigerator hinge bearing structure, the positioning holes are positioned at the mounting end of the hinge seat, the square holes are tightly matched with the positioning protruding blocks on the refrigerator body so as to realize high-precision assembly and positioning, and the screw fixing holes are used for being matched with screws so as to realize the mounting and fastening of the hinge seat. As a preferable scheme of the deformation-preventing refrigerator hinge bearing structure, the bending clearance part is of an a