Technical realization elements of corner hinges with adjustable opening angles

Technical implementation elements:

4. Based on this, it is necessary to provide a corner hinge with an adjustable opening angle in order to solve the problems of complicated installation of the existing window frame and window sash connector and inconvenient adjustment of the opening angle of the window sash.

5. The present utility model provides a corner hinge with an adjustable opening angle, including:

6. Frame holder;

7. Fan fixing seat;

8. An adjustment assembly, the fan fixing base is connected to the frame fixing base through the adjustment assembly, and the adjustment assembly is used to adjust the rotation angle of the fan fixing base relative to the frame fixing base;

9. A limit assembly, the limit assembly is arranged on the fan fixing seat, and the fan fixing seat is connected with the first swing rod on the adjustment assembly through the limit assembly.

10. The above-mentioned corner hinge with adjustable opening angle can easily adjust the opening angle of the window sash by adjusting the rotation angle of the sash fixing seat relative to the frame fixing seat by the adjustment component. It is fixed at a preset position relative to the adjustment component, so that the fan fixing base is fixed at a preset position relative to the frame fixing base, thereby meeting the differentiated needs of customers under different climatic conditions, different use environments and different use scenarios.

11. In one of the embodiments, the adjustment assembly further comprises a connecting block and a second swing rod;

12. The connecting block is rotatably connected to the second fixing plate on the frame fixing seat, the second swinging rod is arranged on the side of the connecting block away from the second fixing plate, and the second swinging rod is One end of the second swing rod is rotatably connected with the connecting block, and the other end of the second swing rod is rotatably connected with the fan fixing seat;

13. The first swing rod is rotatably connected to the second fixed plate, and the first swing rod and the connecting block are both located on the same side of the second fixed plate, and the first swing rod is far away from the One end of the second fixing plate is slidably connected to the fan fixing seat through the limiting component, the second swinging rod is located above the first swinging rod, and the second swinging rod is connected to the first swinging rod Rod rotation connection.

14. In one of the embodiments, the fan fixing seat includes a horizontal mounting seat, a vertical mounting seat, a hinge shaft and a limit pin, the horizontal mounting seat and the vertical mounting seat are vertically connected, and the horizontal The plane where the mounting seat is located is parallel to the plane where the second fixing plate is located, and the vertical mounting seat is located above the second fixing plate;

15. A hinge shaft mounting hole is provided on the side of the vertical mounting seat away from the horizontal mounting seat, and the hinge shaft passes through the hinge shaft mounting hole and is connected to the second swing rod. The tenth through hole connection;

16. The lateral mounting seat is provided with a first chute, the limiting component is provided on the side of the lateral mounting seat away from the first swing rod, and the limiting pin passes through the limiting member in sequence. The position assembly and the first chute are connected to the seventh through hole on the first swing rod.

17. In one of the embodiments, the limit component comprises a limit piece, and the limit piece is provided on a side of the lateral mounting seat away from the first swing rod;

18. A fifth chute is provided on the limit piece, the position of the fifth chute corresponds to the position of the first chute, and the limit pin passes through the fifth chute, the The first chute is then connected to the seventh through hole, and the limiting pin is in an interference fit with the fifth chute.

19. In one of the embodiments, a serrated portion is provided on the inner wall of the fifth chute, and after the limit pin extends into the fifth chute, the serration portion and the limit pin abutting the side walls.

20. In one of the embodiments, it further comprises a first chute length adjustment piece, the first chute length adjustment piece is provided on the side of the lateral mounting seat away from the first swing rod, the first chute length adjustment piece is A sliding groove length adjusting member can move relative to the first sliding groove along the movement direction of the limiting pin, and the limiting piece is arranged between the first sliding groove length adjusting member and the lateral mounting seat.

21. In one of the embodiments, the first chute length adjusting member includes an adjustment seat, and the adjustment seat is provided with a second chute, a third chute and a fourth chute in sequence, and the second chute is the slot and the third chute are arranged at intervals, and the third chute communicates with the fourth chute;

22. When the adjusting seat is arranged on the side of the lateral mounting seat away from the first swing rod, the second sliding groove is matched with the second riveting column on the lateral mounting seat, and the The fourth chute cooperates with the first riveting column on the convex block on the lateral mounting seat, and the limit pin passes through the third chute, the fifth chute, and the first chute in sequence, and then connects with the first chute. The seventh through hole is connected.

23. In one embodiment, the first chute length adjusting member further comprises a screw;

24. The end of the adjustment seat away from the vertical installation seat is provided with a slot, and the end of the horizontal installation seat away from the vertical installation seat is provided with a screw hole. When the lateral mounting seat is on the side away from the first swing rod, the screw is clamped in the clamping groove and is threadedly connected with the screw hole.

25. In one of the embodiments, further comprising a first connecting pin, a second connecting pin, a third connecting pin and a fourth connecting pin;

26. The connecting block is provided with an eighth through hole and a ninth through hole, and the third connecting pin is connected to the second through hole on the second fixing plate after passing through the eighth through hole, so the The fourth connecting pin passes through the ninth through hole from bottom to top and is connected to the twelfth through hole on the second swing rod, and the fourth connecting pin abuts against the second fixing plate ;

27. The first connecting pin is connected to the first through hole on the second fixing plate after passing through the fifth through hole on the first swing rod, and the second connecting pin passes through from bottom to top The sixth through hole on the first swing rod is then connected with the eleventh through hole on the second swing rod.

28. In one of the embodiments, a protrusion is provided on the side of the connecting block facing the second fixing plate, and the protrusion is matched with the arc-shaped hole on the second fixing plate.

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