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CN-224228472-U - Door closing hinge

CN224228472UCN 224228472 UCN224228472 UCN 224228472UCN-224228472-U

Abstract

The utility model discloses a door closing hinge which comprises a mounting seat, a rotating shaft, an elastic component and an elastic component, wherein one end of the rotating shaft is fixedly connected with a door body, the other end of the rotating shaft is arranged on the mounting seat and rotates around a first direction, a protruding structure is arranged on the surface of the rotating shaft, the first direction is the axis of the rotating shaft, the elastic component is arranged in the mounting seat and moves linearly along a second direction under the action of the rotating shaft, one end of the elastic component is provided with an abutting part for abutting the protruding structure, and the other end of the elastic component is fixed in the mounting seat, wherein the second direction is the radial direction of the rotating shaft. According to the utility model, the rotating shaft connected with the door body is rotatably arranged on the mounting seat, the protruding structure is arranged on the rotating shaft and is matched with the abutting part of the elastic component, and the elastic component is driven to move along a straight line through the protruding structure in the opening and closing process of the door body, so that the inertia of the door body during opening and closing is effectively buffered by the elastic component, the impact force is reduced, the service life of the door body is prolonged, the noise and abrasion can be effectively reduced, and the use experience is improved.

Inventors

  • ZOU ZHONG

Assignees

  • 惠州智研液动科技有限公司

Dates

Publication Date
20260512
Application Date
20250603

Claims (10)

  1. 1. A door-closing hinge, comprising: a mounting base (10); One end of the rotating shaft (20) is fixedly connected with the door body, the other end of the rotating shaft is arranged on the mounting seat (10) and rotates around a first direction, and a protruding structure (21) is arranged on the surface of the rotating shaft (20), wherein the first direction is the axis of the rotating shaft (20); The elastic component (30) is arranged in the mounting seat (10) and moves linearly along a second direction under the action of the rotating shaft (20), one end of the elastic component (30) is provided with a butt joint part (31) for butt joint with the protruding structure (21), and the other end of the elastic component is fixed in the mounting seat (10), wherein the second direction is the radial direction of the rotating shaft (20).
  2. 2. The door closing hinge according to claim 1, wherein the protruding structure (21) comprises a rotation shaft groove (211) and first protruding parts (212) symmetrically arranged at both sides of the rotation shaft groove (211); The abutting portion (31) is provided with a second protruding portion (311) which is matched with the rotating shaft groove (211).
  3. 3. The door closing hinge according to claim 1, wherein a first mounting hole (11) for mounting the rotating shaft (20) and a second mounting hole (12) for mounting the elastic component (30) are arranged on the mounting seat (10), an opening of the first mounting hole (11) is formed in the top of the mounting seat (10), an opening of the second mounting hole (12) is formed in the mounting seat (10) and far away from a side wall of the first mounting hole (11), and an axis of the first mounting hole (11) is perpendicular to an axis of the second mounting hole (12).
  4. 4. A door closing hinge according to claim 3, wherein the lower end of the rotating shaft (20) is rotatably connected to the first mounting hole (11), and the upper end of the rotating shaft (20) is used for connecting the door body.
  5. 5. A door closing hinge according to claim 3, characterized in that the bottom of the first mounting hole (11) is provided with a bearing mounting position, and a rotating bearing (13) corresponding to the bearing mounting position is arranged between the rotating shaft (20) and the mounting seat (10).
  6. 6. A door closing hinge according to claim 3, wherein the elastic member (30) further comprises a spring (32) and a fixing member (33), both ends of the spring (32) respectively abut the abutting portion (31) and the fixing member (33), and the fixing member (33) is fixed to the open end of the second mounting hole (12).
  7. 7. The door closing hinge according to claim 6, wherein both ends of the abutting portion (31) abut against the protruding structure (21) and the spring (32), respectively, and one end of the abutting portion (31) abutting against the spring (32) is provided with a groove-shaped spring mounting position (312).
  8. 8. A door hinge according to claim 6, wherein the open end of the second mounting hole (12) is provided with a screw structure, and the fixing member (33) is fixed in the second mounting hole (12) by being engaged with the screw structure.
  9. 9. The door hinge according to claim 1, further comprising an outer housing (40), said outer housing (40) being housed outside said mounting seat (10).
  10. 10. A hinge according to claim 9, wherein the outer housing (40) is provided with a support bar (41) for receiving the elastic member (30) in a horizontal direction, the support bar (41) extending through the mounting (10) from one side of the inner side of the outer housing (40) and being connected to the other side of the inner side of the outer housing (40).

Description

Door closing hinge Technical Field The utility model relates to the technical field of hinges, in particular to a door closing hinge. Background The traditional hinge for the door adopts a metal rotating shaft structure, and can realize the opening and closing functions of the door body, but an effective buffer mechanism is lacked when the door body is closed, so that the door body is easy to generate severe collision due to inertia. Especially in heavy door or frequent use scene, not only can noise pollution be produced in the rigid closure, and long-term impact can also lead to door plant deformation, hinge looseness even part to drop, influences life. Disclosure of utility model The embodiment of the utility model provides a hinge, which aims to overcome the problems in the related art. The present utility model provides a door closing hinge comprising: a mounting base; One end of the rotating shaft is fixedly connected with the door body, the other end of the rotating shaft is arranged on the mounting seat and rotates around a first direction, and the surface of the rotating shaft is provided with a protruding structure, wherein the first direction is the axis of the rotating shaft; The elastic component is arranged in the mounting seat and moves linearly along a second direction under the action of the rotating shaft, one end of the elastic component is provided with an abutting part for abutting against the protruding structure, and the other end of the elastic component is fixed in the mounting seat, wherein the second direction is the radial direction of the rotating shaft. As one embodiment, the protruding structure comprises a rotating shaft groove and first protruding parts symmetrically arranged at two sides of the rotating shaft groove; the abutting part is provided with a second protruding part matched with the rotating shaft groove. As an implementation mode, be provided with on the mount pad and be used for the installation the pivot first mounting hole and be used for the installation the second mounting hole of elastic component, the opening in first mounting hole set up in the mount pad top, the opening in second mounting hole set up in keep away from on the mount pad the lateral wall of first mounting hole, the axis of first mounting hole with the axis mutually perpendicular of second mounting hole. As one implementation mode, the lower end of the rotating shaft is rotatably connected in the first mounting hole, and the upper end of the rotating shaft is used for being connected with the door body. As one implementation mode, the bottom of the first mounting hole is provided with a bearing mounting position, and a rotating bearing corresponding to the bearing mounting position is arranged between the rotating shaft and the mounting seat. As one embodiment, the elastic assembly further includes a spring and a fixing member, both ends of the spring respectively abut against the abutting portion and the fixing member, and the fixing member is fixed to the opening end of the second mounting hole. As one embodiment, both ends of the abutting portion abut against the protruding structure and the spring, respectively, and one end of the abutting portion abutting against the spring is provided with a groove-shaped spring mounting position. As one embodiment, the opening end of the second mounting hole is provided with a screw structure, and the fixing member is fixed in the second mounting hole by being matched with the screw structure. As one embodiment, the door closing hinge further comprises an outer shell, and the outer shell is covered outside the mounting seat. As one embodiment, the outer casing is provided with a support rod for receiving the elastic component in a horizontal direction, and the support rod extends from one surface of the inner side of the outer casing, penetrates through the mounting seat, and is connected to the other surface of the inner side of the outer casing. According to the embodiment of the utility model, the rotating shaft connected to the door body is rotatably arranged on the mounting seat, the protruding structure is arranged on the rotating shaft to be matched with the abutting part of the elastic component, and the elastic component is driven to move along a straight line through the protruding structure in the opening and closing process of the door body, so that the inertia of the door body during opening and closing can be effectively buffered by utilizing the elasticity of the elastic component, the impact force is reduced, the service life of the door body is prolonged, the noise and abrasion can be effectively reduced, and the use experience is improved. Drawings In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of