Hinges for opening and closing doors and windows

Abstract

The hinge of the embodiment of the present invention is a hinge for opening and closing doors and windows, comprising an upper hinge installed on the upper part of the door and window and a lower hinge installed on the lower part of the door and window, the lower hinge comprising a hinge lower shaft, a positioning connection assembly and a hinge lower bearing, the hinge lower shaft is connected to the hinge lower bearing, the positioning connection assembly is arranged on the hinge lower bearing, the positioning connection assembly comprises a lower hinge connecting rod, a lower hinge pull rod and a lower hinge shaft, the lower hinge shaft is arranged on the hinge lower bearing, positioning members are arranged on both sides of the lower hinge shaft, the positioning members comprise a bearing positioning member and a connecting rod positioning member, the bearing positioning member is arranged between the lower hinge shaft and the hinge lower bearing, the connecting rod positioning member is arranged between the lower hinge connecting rod and the lower hinge shaft, positioning members are arranged on both sides of the lower hinge shaft, so that the installation of the lower hinge shaft is more convenient, the hinge lower chain bearing is not easily worn during rotation, the direct friction of the hinge lower bearing is reduced, wear is avoided, the loosening of the hinge lower bearing is caused, the performance of the hinge lower bearing is improved, and the service life of the hinge lower bearing is increased.

Description

Technical Field

[0001] The invention relates to the technical field of door and window hinges, and in particular to a hinge used for opening and closing doors and windows. Background Art

[0002] A hinge is a commonly used hardware accessory for doors and windows. Its main function is to install the doors and windows on the door and window frames so that the doors and windows can rotate relative to the door and window frames.

[0003] In the prior art, the hinges for opening and closing doors and windows are prone to wear of bearings, rotating shafts, pull rods and other components inside the hinges during long-term rotation and opening and closing, resulting in poor airtightness when opening and closing the doors and windows. Summary of the invention

[0004] In view of this, the present invention provides a hinge for opening and closing doors and windows.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A hinge for opening and closing doors and windows, comprising an upper hinge installed on the upper part of the door and window and a lower hinge installed on the lower part of the door and window, the lower hinge comprising a hinge lower shaft, a positioning connection assembly and a hinge lower bearing, the hinge lower shaft is connected to the hinge lower bearing, the positioning connection assembly is arranged on the hinge lower bearing, the positioning connection assembly comprises a lower hinge connecting rod, a lower hinge pull rod and a lower hinge shaft, the lower hinge shaft is arranged on the hinge lower bearing, positioning members are arranged on both sides of the lower hinge shaft, the positioning members comprise a bearing positioning member and a connecting rod positioning member, the bearing positioning member is arranged between the lower hinge shaft and the hinge lower bearing, and the connecting rod positioning member is arranged between the lower hinge connecting rod and the lower hinge shaft.

[0007] Preferably, a pin is provided on the hinge lower bearing, and the positioning connection component and the hinge lower bearing are both provided with corresponding axial holes, the pin passes through the axial holes on the positioning connection component and the hinge lower bearing, and the positioning connection component is rotatably connected to the hinge lower bearing via the pin.

[0008] Preferably, rivet holes are provided on the lower hinge connecting rod, the lower hinge pull rod and the lower hinge rotating shaft, rivets are provided in the corresponding rivet holes, the rivets connect the components where the corresponding rivet holes are located, the lower hinge connecting rod and the lower hinge pull rod are connected by rivets, and the lower hinge rotating shaft is installed on the lower hinge bearing by rivets.

[0009] Preferably, a shaft hole is provided on one side of the lower shaft of the hinge, a shaft and a flat top screw are arranged in the shaft hole, a shaft wear-resistant positioning piece is arranged between the shaft and the flat top screw, and two ends of the shaft wear-resistant positioning piece are in contact with the shaft and the flat top screw respectively.

[0010] Preferably, a vertical slide groove is formed on the inner wall of the rotating shaft hole, and the rotating shaft wear-resistant positioning member is provided with a convex rib corresponding to the vertical slide groove, and the convex rib extends into the vertical slide groove and is engaged with the vertical slide groove.

[0011] Preferably, one end of the shaft wear-resistant positioning piece is sunken to form an arc-shaped groove, one end of the shaft extends into the arc-shaped groove and is connected to the shaft wear-resistant positioning piece, and the convex ribs on both sides of the shaft wear-resistant positioning piece are provided with an inclined guide surface at one end away from the flat top wire.

[0012] Preferably, the upper hinge includes a pull rod adjustment member and a hinge upper bearing, a connecting assembly is arranged between the pull rod adjustment member and the hinge upper bearing, the connecting assembly includes a diagonal pull rod, an upper hinge pull rod, an upper hinge connecting rod and an upper hinge rotating shaft, and the diagonal pull rod, upper hinge pull rod, upper hinge connecting rod and upper hinge rotating shaft are arranged in sequence from bottom to top.

[0013] Preferably, an adjustment positioning opening is provided on the pull rod adjustment member, the adjustment positioning opening is provided in a Y shape, and both ends of the opening of the adjustment positioning opening form clamping ends, and the clamping ends are connected to the doors and windows.

[0014] Preferably, a fixed end is provided on the inclined rod, and the fixed end is connected to the door and window. The inclined rod is also provided with an inclined rod adjustment port, and the inclined rod adjustment port is provided on a side away from the fixed end.

[0015] The beneficial effects of the present invention are as follows: by arranging positioning pieces on both sides of the lower hinge shaft, the installation of the lower hinge shaft can be made more convenient, and the lower hinge chain bearing is not easily worn during rotation, thereby reducing direct friction of the lower hinge bearing, avoiding loosening of the lower hinge bearing caused by the gap after wear, improving the performance of the lower hinge bearing, and increasing the service life of the lower hinge bearing; the arrangement of the wear-resistant positioning piece of the shaft can reduce the friction between the shaft and the flat top screw when the shaft rotates, and the flat top screw can be used to freely adjust it up and down, thereby avoiding errors during installation and reducing the wear of the direct friction chain between the top screw and the shaft when it is opened and rotated. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Attached Figure 1 This is a schematic diagram of the upper hinge of the present invention;

[0018] Attached Figure 2 This is a schematic diagram of the exploded lower hinge of the present invention;

[0019] Attached Figure 3 It is a schematic diagram of the installation of the upper hinge and the lower hinge of the present invention;

[0020] Attached Figure 4 It is a schematic diagram of the structure of the pull rod adjustment member of the present invention;

[0021] Attached Figure 5 This is a schematic diagram of the structure of the wear-resistant positioning member of the rotating shaft of the present invention;

[0022] Attached Figure 6 This is a schematic diagram of the inclined tie rod structure of the present invention.

[0023] Reference numerals:

[0024] 1. Doors and windows, 2. Upper hinge, 3. Lower hinge, 4. Hinge lower shaft, 5. Positioning connection assembly, 6. Hinge lower bearing, 7. Lower hinge connecting rod, 8. Lower hinge pull rod, 9. Lower hinge shaft, 10. Positioning piece, 11. Bearing positioning piece, 12. Connecting rod positioning piece, 13. Pin, 14. Shaft hole, 15. Shaft, 16. Flat top screw, 18. Convex rib, 19. Arc groove, 20. Inclined guide surface, 21. Pull rod adjustment piece, 22. Hinge upper bearing, 23. Connection assembly, 24. Diagonal pull rod, 25. Upper hinge pull rod, 26. Upper hinge connecting rod, 27. Upper hinge shaft, 28. Adjustment positioning port, 29. Clamping end, 30. Fixed end, 31. Diagonal pull rod adjustment port, 32. Rivet. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] The present invention will be further described below in conjunction with the accompanying drawings.

[0027] The present invention provides the following technical solutions:

[0028] As attached Figures 1 to 6As shown, the present invention discloses a hinge for opening and closing a door and window 1, comprising an upper hinge 2 installed on the upper part of the door and window 1 and a lower hinge 3 installed on the lower part of the door and window 1, the lower hinge 3 comprising a hinge lower shaft 4, a positioning connection assembly 5 and a hinge lower bearing 6, the hinge lower shaft 4 is connected to the hinge lower bearing 6, the positioning connection assembly 5 is arranged on the hinge lower bearing 6, the positioning connection assembly 5 comprises a lower hinge connecting rod 7, a lower hinge pull rod 8 and a lower hinge shaft 9, the lower hinge shaft 9 is arranged on the hinge lower bearing 6, positioning members 10 are arranged on both sides of the lower hinge shaft 9, the positioning members 10 comprise a bearing positioning member 11 and a connecting rod positioning member 12, the bearing positioning member 11 is arranged between the lower hinge shaft 9 and the hinge lower bearing 6, the connecting rod positioning member 12 is arranged between the lower hinge connecting rod 7 and the lower hinge shaft 9. Specifically, by arranging the positioning members 10 on both sides of the lower hinge shaft 9, the lower hinge bearing 6 is not easily worn during rotation, the direct friction of the lower hinge bearing 6 is reduced, and the loosening of the lower hinge bearing 6 caused by the gap after wear is avoided, thereby improving the performance of the lower hinge bearing 6 and increasing the service life of the lower hinge bearing 6. In this embodiment, the positioning connection components are all rotatably connected by rivets.

[0029] In this embodiment, a pin shaft 13 is provided on the hinge lower bearing 6, and the positioning connection component 5 and the hinge lower bearing 6 are both provided with corresponding shaft holes, and the pin shaft 13 penetrates the shaft holes on the positioning connection component 5 and the hinge lower bearing 6, and the positioning connection component 5 is rotatably connected to the hinge lower bearing 6 through the pin shaft 13. Specifically, one end of the pin shaft 13 penetrates and connects the lower hinge shaft 9, the lower hinge pull rod 8 and the lower hinge connecting rod 7 in sequence from bottom to top.

[0030] In this embodiment, rivet holes (not shown) are provided on the lower hinge connecting rod 7, the lower hinge pull rod 8 and the lower hinge rotating shaft 9, and rivets 32 are provided in the corresponding rivet holes, and the rivets 32 connect the components where the corresponding rivet holes are located. Specifically, the lower hinge connecting rod 7 and the lower hinge pull rod 8 are connected by the rivet 32, and the lower hinge rotating shaft 9 is installed on the hinge lower bearing 6 by the rivet 32.

[0031] A rotating shaft hole 14 is provided on one side of the lower rotating shaft 4 of the hinge, a rotating shaft 15 and a flat top screw 16 are arranged in the rotating shaft hole 14, a rotating shaft wear-resistant positioning member 17 is arranged between the rotating shaft 15 and the flat top screw 16, and both ends of the rotating shaft wear-resistant positioning member 17 are in contact with the rotating shaft 15 and the flat top screw 16. Specifically, in this embodiment, the arrangement of the rotating shaft wear-resistant positioning member 17 can reduce the friction between the rotating shaft 15 and the flat top screw 16 when the rotating shaft 15 rotates, and the flat top screw 16 can freely adjust it up and down, avoid errors during installation, and reduce the wear of the direct friction chain between the top screw and the rotating shaft 15 when it is turned on.

[0032] The inner wall of the rotating shaft hole 14 is provided with a vertical slide groove (not shown), and the rotating shaft wear-resistant positioning member 17 is provided with a convex rib 18 corresponding to the vertical slide groove, and the convex rib 18 extends into the vertical slide groove and engages with the vertical slide groove. In this embodiment, by providing the vertical slide groove and the convex rib 18 corresponding to the vertical slide groove on the rotating shaft wear-resistant positioning member 17, the rotating shaft wear-resistant positioning member 17 can be prevented from being driven to rotate by the rotating shaft 15 when the rotating shaft 15 rotates after extending into the rotating shaft hole 14, and when the flat top screw 16 is installed, since both ends of the rotating shaft wear-resistant positioning member 17 are engaged in the rotating shaft hole 14, the installation of the flat top screw 16 will be more convenient.

[0033] One end of the shaft wear-resistant positioning piece 17 sinks to form an arc groove 19, one end of the flat top screw 16 extends into the arc groove 19 and is connected to the shaft wear-resistant positioning piece 17, and the convex ribs 18 on both sides of the shaft wear-resistant positioning piece 17 are arranged at one end away from the flat top screw 16 with an inclined guide surface 20. Specifically, the setting of the arc groove 19 can help the shaft 15 to rotate for a long time with the cylindrical core of the shaft without being easily worn, and reduce the wear of the direct friction chain between the top screw and the shaft 15 when it is opened and rotated. The positioning block can be freely adjusted up and down by the flat top screw 16, so as to facilitate and quickly adjust the air tightness of the door and window 1. Specifically, the setting of the inclined guide surface 20 can make it easier for the shaft positioning piece to enter the shaft hole 14.

[0034] The upper hinge 2 includes a pull rod adjustment member 21 and a hinge upper bearing 22, a connecting assembly 23 is arranged between the pull rod adjustment member 21 and the hinge upper bearing 22, the connecting assembly 23 includes an inclined rod 24, an upper hinge pull rod 25, an upper hinge connecting rod 26 and an upper hinge rotating shaft 27, and the inclined rod 24, the upper hinge pull rod 25, the upper hinge connecting rod 26 and the upper hinge rotating shaft 27 are arranged in sequence from bottom to top.

[0035] The pull rod adjustment member 21 is provided with an adjustment positioning opening 28, which is provided in a Y shape, and the two ends of the opening of the adjustment positioning opening 28 form a clamping end 29, and the clamping end 29 is connected to the door and window 1. Specifically, the Y-shaped adjustment positioning opening 28 can be quickly positioned and installed on the door and window 1. The Y-shaped adjustment positioning opening 28 has two clamping ends 29, which can enhance the connection strength between the door and window 1. The adjustment positioning opening 28 is attached to one side of the door and window 1, which can save the need to measure and mark with a measuring tool to determine the position, shorten the installation time and improve the work efficiency.

[0036] The inclined rod is provided with a fixed end 30, and the fixed end 30 is connected to the door and window 1. The inclined rod 24 is also provided with an inclined rod adjustment port 31, and the inclined rod adjustment port 31 is arranged on a side away from the fixed end 30. Specifically, the setting of the fixed end 30 enables the door and window sash and frame to be separated and conveniently connected to the door and window 1 for docking and installation, thereby reducing the inconvenience caused by the traditional integrated installation of the door and window sash and frame, reducing the work intensity, saving work time, and thus greatly improving the work efficiency.

[0037] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A hinge for opening and closing doors and windows, comprising an upper hinge installed on the upper part of the door and window and a lower hinge installed on the lower part of the door and window, characterized in that: The lower hinge includes a hinge lower shaft, a positioning connection assembly and a hinge lower bearing. The hinge lower shaft is connected to the hinge lower bearing. The positioning connection assembly is arranged on the hinge lower bearing. The positioning connection assembly includes a lower hinge connecting rod, a lower hinge pull rod and a lower hinge shaft. The lower hinge shaft is arranged on the hinge lower bearing. Positioning members are arranged on both sides of the lower hinge shaft. The positioning members include a bearing positioning member and a connecting rod positioning member. The bearing positioning member is arranged between the lower hinge shaft and the hinge lower bearing. The connecting rod positioning member is arranged between the lower hinge connecting rod and the lower hinge shaft.

2. The hinge for opening and closing doors and windows according to claim 1, characterized in that: A pin is arranged on the lower hinge bearing, and corresponding axial holes are arranged on the positioning connection component and the lower hinge bearing. The pin passes through the axial holes on the positioning connection component and the lower hinge bearing, and the positioning connection component is rotatably connected with the lower hinge bearing through the pin.

3. The hinge for opening and closing doors and windows according to claim 2, characterized in that: Rivet holes are arranged on the lower hinge connecting rod, the lower hinge pulling rod and the lower hinge rotating shaft. Rivets are arranged in the corresponding rivet holes. The rivets connect the components where the corresponding rivet holes are located. The lower hinge connecting rod and the lower hinge pulling rod are connected by rivets, and the lower hinge rotating shaft is installed on the lower hinge bearing by rivets.

4. The hinge for opening and closing doors and windows according to claim 1, characterized in that: A shaft hole is provided on one side of the hinge lower shaft, a shaft and a flat top screw are arranged in the shaft hole, a shaft wear-resistant positioning piece is arranged between the shaft and the flat top screw, and two ends of the shaft wear-resistant positioning piece are in contact with the shaft and the flat top screw respectively.

5. The hinge for opening and closing doors and windows according to claim 4, characterized in that: A vertical slide groove is formed on the inner wall of the rotating shaft hole, and a convex rib is formed on the rotating shaft wear-resistant positioning member corresponding to the vertical slide groove, and the convex rib extends into the vertical slide groove and is clamped with the vertical slide groove.

6. The hinge for opening and closing doors and windows according to claim 4, characterized in that: One end of the shaft wear-resistant positioning piece is sunken to form an arc groove, one end of the shaft extends into the arc groove and is connected to the shaft wear-resistant positioning piece, and an inclined guide surface is set at one end of the ribs on both sides of the shaft wear-resistant positioning piece away from the flat top wire.

7. The hinge for opening and closing doors and windows according to claim 1, characterized in that: The upper hinge includes a pull rod adjustment member and a hinge upper bearing, a connecting assembly is arranged between the pull rod adjustment member and the hinge upper bearing, the connecting assembly includes an oblique pull rod, an upper hinge pull rod, an upper hinge connecting rod and an upper hinge rotating shaft, and the oblique pull rod, the upper hinge pull rod, the upper hinge connecting rod and the upper hinge rotating shaft are arranged in sequence from bottom to top.

8. The hinge for opening and closing doors and windows according to claim 7, characterized in that: The pull rod adjusting member is provided with an adjusting positioning opening, which is provided in a Y shape, and both ends of the opening of the adjusting positioning opening form clamping ends, which are connected to the doors and windows.

9. The hinge for opening and closing doors and windows according to claim 8, characterized in that: The inclined rod is provided with a fixed end, the fixed end is connected to the door and window, and the inclined rod is also provided with an inclined rod adjustment port, the inclined rod adjustment port is arranged on a side away from the fixed end.

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