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CN-122014079-A - Invisible inward-opening inward-tilting hinge suitable for 180-degree opening of U-shaped door and window hardware notch

CN122014079ACN 122014079 ACN122014079 ACN 122014079ACN-122014079-A

Abstract

The invention discloses a concealed inward-opening hinge suitable for 180-degree opening of a U-shaped door and window hardware notch, which comprises an upper hinge and a lower hinge, an upper fixing plate, an upper connecting rod, an upper positioning plate, a first limiting groove, a first sliding rod, a first adjusting fixing plate, a lower fixing plate, a bearing corner, a connecting cylinder, a mounting cushion block and a second connecting block, wherein one end of the upper connecting rod is connected with an extension plate, the bottom of the upper positioning plate is provided with a first limiting groove, the first sliding rod is arranged between the upper connecting rod and the upper fixing plate, one side of the first sliding rod is provided with the first adjusting fixing plate, the lower fixing plate is provided with the bearing corner, and the outer side of the lower fixing plate is provided with the connecting cylinder. According to the invention, through the matched combination design of the upper hinge and the lower hinge, 180-degree large-angle stable opening of the door and window is stably realized, the ventilation and cleaning core requirements of the door and window in a large opening state are met, meanwhile, the universal standard U-shaped notch profile can be directly adapted, additional milling modification on the profile is not needed, and the application range and the global market adaptability of the product are greatly improved.

Inventors

  • HU JIANHUA
  • FANG YIFEI

Assignees

  • 安徽威格仕五金制品有限公司

Dates

Publication Date
20260512
Application Date
20260331

Claims (9)

  1. 1. Invisible inward opening and inward tilting hinge suitable for 180-degree opening of U-shaped door and window hardware notch, and is characterized by comprising: The upper hinge (1) comprises an upper fixing plate (3), an upper connecting rod (4), an upper positioning plate (5) and a first sliding rod (6), and the lower hinge (2) comprises a lower fixing plate (7), a bearing corner (8), a mounting cushion block (9) and a second connecting block (10); the upper fixing plate (3) is provided with a first through groove (31) and a second through groove (32) in a penetrating mode, and a first sliding block (311) is arranged in the first through groove (31) in a sliding mode; an upper connecting rod (4), one end of which is connected with an extension plate (41), and the surface of the upper connecting rod (4) is provided with a first connecting plate (42) and a second connecting plate (43); The bottom of the upper positioning plate (5) is provided with a first limit groove (51); The first sliding rod (6) is arranged between the upper connecting rod (4) and the upper fixing plate (3), and a first adjusting fixing piece (62) is arranged on one side of the first sliding rod (6); a lower fixing plate (7) provided with a third through groove (71) and a fourth through groove (72) in a penetrating manner; the bearing corner (8) is provided with a connecting cylinder (81) at the outer side, and a positioning column (82) is arranged in the connecting cylinder (81); The mounting cushion block (9) is arranged at the bottom of the lower fixing plate (7); the second connecting block (10) is arranged between the lower fixing plate (7) and the bearing corner (8), and a third connecting plate (101) is arranged at the top of the second connecting block (10).
  2. 2. The invisible inward opening hinge suitable for 180-degree opening of the U-shaped door and window hardware notch according to claim 1, wherein the shape of the upper fixing plate (3) is L-shaped, a movable groove (33) is penetrated through the side surface of the upper fixing plate (3), a protruding limiting block (44) is arranged at one end of the upper connecting rod (4), and the protruding limiting block (44) is slidably arranged in the movable groove (33).
  3. 3. The invisible inward opening hinge suitable for 180-degree opening of the U-shaped door and window hardware notch according to claim 1 is characterized in that the extension plate (41) is attached to the first connecting plate (42), a first limit groove (51) is formed in the bottom surface of the upper locating plate (5), the extension plate (41) is slidably arranged in the first limit groove (51), a connecting shaft (411) is arranged in the extension plate (41) in a penetrating mode, and the end portion of the extension plate is connected with the upper locating plate (5) in a matching mode.
  4. 4. The invisible inward opening hinge suitable for 180-degree opening of the U-shaped door and window hardware notch according to claim 1 is characterized in that a positioning rod (61) is arranged on the surface of the first sliding rod (6) in a penetrating mode, the positioning rod (61) sequentially penetrates through the upper connecting rod (4), the extension plate (41), the first sliding rod (6) and the first sliding block (311) in a matched mode, an adjusting screw rod is arranged on the surface of the first adjusting fixing piece (62) in a penetrating mode, and the adjusting screw rod sequentially penetrates through the upper connecting rod (4), the first connecting plate (42), the first adjusting fixing piece (62) and the upper fixing plate (3) in a matched mode.
  5. 5. The invisible inward opening hinge suitable for 180-degree opening of the U-shaped door and window hardware notch according to claim 1 is characterized in that a second sliding block (711) is slidably arranged in the third through groove (71), and a second adjusting fixing piece (721) is arranged on the surface of the fourth through groove (72).
  6. 6. The invisible inward opening hinge suitable for 180-degree opening of the U-shaped door and window hardware notch according to claim 1, wherein the bearing corner (8) and the surface of the upper positioning plate (5) are provided with mounting interfaces, and one end of the bottom of the positioning column (82) penetrates through the third connecting plate (101) and the second connecting block (10) to be connected with the lower fixing plate (7).
  7. 7. The invisible inward-opening inward-tilting hinge suitable for 180-degree opening of the U-shaped door and window hardware notch according to claim 1 is characterized in that a side cushion block (91) is arranged on the outer side of the installation cushion block (9), the lower fixing plate (7) is arranged on the inner side of the side cushion block (91), and a connecting bent angle (92) is arranged between the side cushion block (91) and the installation cushion block (9).
  8. 8. The invisible inward opening hinge suitable for 180-degree opening of the U-shaped door and window hardware notch according to claim 1 is characterized in that a second limiting groove (102) is formed in the bottom of the second connecting block (10), a second sliding rod penetrates through the second connecting block (10) and penetrates through the second limiting groove (102) to be connected with the second sliding block (711) in a matched mode, and an adjusting screw rod penetrates through the second adjusting fixing piece (721) and is connected with the lower fixing plate (7) in a matched mode.
  9. 9. The invisible inward opening hinge suitable for 180-degree opening of the U-shaped door and window hardware notch according to claim 1, wherein a connecting sheet (103) is arranged at the top of the third connecting sheet (101), a locking column (105) is arranged inside the bearing corner (8) in a penetrating mode, one end of the bottom of the locking column (105) penetrates through the bearing corner (8) and is connected with the connecting sheet (103) in a matching mode, and a fourth connecting sheet (104) is arranged between the second connecting sheet (10) and the third connecting sheet (101).

Description

Invisible inward-opening inward-tilting hinge suitable for 180-degree opening of U-shaped door and window hardware notch Technical Field The invention relates to the technical field of door and window hardware accessories, in particular to a concealed inward-opening inward-tilting hinge suitable for 180-degree opening of a U-shaped door and window hardware notch. Background Along with the continuous promotion of building energy saving and house comfort demands, the inwardly opened inwardly inverted window has been widely used in residential houses and commercial buildings by virtue of the core advantages of high ventilation safety, less occupied indoor space, convenient cleaning and maintenance, and the like. The U-shaped notch is used as a general standard notch structure of door and window profiles, is a matched structure of the profile which is most widely applied in the door and window system at present, is matched with the matched hardware of the inward-opening inward-tilting hinge, and is a core component for determining the opening performance, the sealing performance and the bearing safety performance of the door and window. Currently, aiming at the inwardly opened and inwardly inverted hinge products of U-shaped notch doors and windows, the industry mainly uses a small-angle opening structure, and hardware system parts capable of realizing 180-degree large-angle opening have obvious technical short plates in the international market, for example, the existing 180-degree opened hinge products are unreasonable in opening running track design, the problems of component interference and clamping in the opening and closing process are easy to occur, the abrasion of components is serious after repeated opening and closing, the service life and the opening smoothness of the products are directly affected, the use requirements of different scenes are hardly met, and extra customized production is mostly needed. Disclosure of Invention The invention provides a concealed inward-opening inward-tilting hinge suitable for 180-degree opening of a U-shaped door and window hardware notch, which can stably realize 180-degree large-angle stable opening of a door and window through the matched combination design of an upper hinge 1 and a lower hinge 2, not only meets the ventilation and cleaning core requirements of the door and window in a large-opening state, but also can be directly adapted to a universal standard U-shaped notch profile without additional milling modification of the profile, and greatly improves the application range and the global market suitability of the product. In order to solve the technical problems, the invention provides a concealed inward opening and inward tilting hinge suitable for 180-degree opening of a U-shaped door and window hardware notch, which comprises the following components: The upper hinge comprises an upper fixing plate, an upper connecting rod, an upper positioning plate and a first sliding rod, and the lower hinge comprises a lower fixing plate, a bearing corner, a mounting cushion block and a second connecting block; The upper fixing plate is provided with a first through groove and a second through groove in a penetrating mode, and a first sliding block is arranged in the first through groove in a sliding mode; one end of the upper connecting rod is connected with an extension plate, and the surface of the upper connecting rod is provided with a first connecting plate and a second connecting plate; the bottom of the upper positioning plate is provided with a first limit groove; The first sliding rod is arranged between the upper connecting rod and the upper fixing plate, and one side of the first sliding rod is provided with a first adjusting fixing piece; the lower fixing plate is provided with a third through groove and a fourth through groove in a penetrating way; The bearing corner is provided with a connecting cylinder at the outer side, and a positioning column is arranged in the connecting cylinder; the mounting cushion block is arranged at the bottom of the lower fixing plate; The second connecting block is arranged between the lower fixing plate and the bearing corner, and a third connecting plate is arranged at the top of the second connecting block. As the optimization of the technical scheme, the shape of the upper fixing plate is L-shaped, the side surface of the upper fixing plate is provided with a movable groove in a penetrating mode, one end of the upper connecting rod is provided with a protruding limiting block, and the protruding limiting block is arranged inside the movable groove in a sliding mode. As the preference of above-mentioned technical scheme, the extension board with first connecting plate laminating sets up, it is equipped with first spacing groove to go up locating plate bottom surface, the extension board slide set up in inside the first spacing groove, the extension board is inside run through and is equipped with the connecting axl