Wind-pressure-resistant door and window hinge

Abstract

The utility model discloses a wind pressure resistant door and window hinge, which belongs to the technical field of hinges, and comprises a bottom plate, a support arm, a long arm, a short arm and a reinforcing arm which are mutually hinged and matched, the bottom plate is provided with a bottom plate positioning part, the support arm is provided with a support arm first positioning part and a support arm second positioning part, and when the support arm is hinged and opened relative to the bottom plate, the long arm and the short arm are fixed. The short arm is positioned on the bottom plate positioning part and the first supporting arm positioning part, and the long arm is positioned on the second supporting arm positioning part. According to the door and window hinge, positioning stress during opening is achieved between the bottom plate and the supporting arm through the bottom plate positioning part, the first supporting arm positioning part and the second supporting arm positioning part, so that acting force generated after a door and a window are opened is effectively dispersed to all parts of the whole door and window hinge; therefore, the deformation resistance, the bearing capacity and the wind pressure resistance of the door and window hinge are improved, a series of problems such as shaking, vibration, even reset rotation or excessive opening of the door and window due to external force after the supporting arm is hinged and opened relative to the bottom plate are avoided, and the use safety of the door and window is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to hinge technical field, concretely is a kind of wind pressure resistance door and window hinge. BACKGROUND

[0002] The existing market's window mainly consists of window frame and sash, the connection between window frame and sash determines whether door and window are safe and reliable, in addition, door and window connection effect also influences the performance of door and window. The current window frame and sash are generally connected by hinge, since the hinge bears the weight of door and window and supports the rotation of door and window, therefore the load-bearing performance of hinge largely determines the service life of door and window. For example, the invention application with Chinese patent number CN201710983851.6 discloses a five-link hinge, which realizes the rotation opening and closing of door and window by the mutual hinge connection of five links, but since the five links are only stressed at hinge joint, when door and window are opened, the hinge is prone to deformation under the action of strong wind pressure, and door and window also shake, vibrate, even reset rotation or over-open under the action of strong wind pressure, cannot be effectively positioned, finally causes the damage of door and window. Therefore, it is necessary to further improve. SUMMARY

[0003] The utility model aims at providing a kind of wind pressure resistance door and window hinge to overcome the deficiencies in prior art.

[0004] A kind of wind pressure resistance door and window hinge designed for this purpose, including the bottom plate, support arm, long arm, short arm and reinforcing arm that are hingedly connected, the bottom plate is provided with bottom plate positioning part, the support arm is provided with support arm first positioning part and support arm second positioning part, when the support arm is hingedly opened relative to the bottom plate, the short arm is positioned on the bottom plate positioning part and the support arm first positioning part, and the long arm is positioned on the support arm second positioning part.

[0005] The bottom plate positioning part and the bottom plate, the support arm first positioning part and the support arm, the support arm second positioning part and the support arm are integrally formed, or are separately provided and then fixed by welding, fasteners or buckles.

[0006] The support arm is fixedly provided with a positioning plate, the support arm first positioning part is integrally provided on the positioning plate, one end of the short arm is hingedly connected with the support arm and the positioning plate, and the one end of the short arm is positioned on the support arm first positioning part when the support arm is hingedly opened relative to the bottom plate.

[0007] The other end of the short arm is hingedly connected with the bottom plate, the bottom plate positioning part is integrally protruded on the surface of the bottom plate and located on one side of the hingedly connected place of the short arm and the bottom plate, and the other end of the short arm is positioned on the bottom plate positioning part when the support arm is hingedly opened relative to the bottom plate.

[0008] One end of the long arm is hinged to the support arm. The second positioning part of the support arm is integrally protruding from the bottom surface of the support arm and is located on the side where the long arm and the support arm are hinged. One end of the long arm is positioned on the second positioning part of the support arm when the support arm is hinged open relative to the base plate.

[0009] A linear slide groove is provided on the base plate. An upper slide plate and a lower slide plate are provided on the linear slide groove. The upper slide plate and the lower slide plate are located at the upper and lower positions of the linear slide groove and are fixedly engaged with each other. The other end of the long arm is hinged to the upper slide plate and the lower slide plate and slides on the linear slide groove through the upper slide plate and the lower slide plate.

[0010] The base plate is provided with guide reinforcing ribs corresponding to the upper sliding piece and / or the lower sliding piece.

[0011] A wear-resistant part is provided in the positioning pad between the base plate and the short arm, or between the base plate and the reinforcing arm.

[0012] A base plate mounting block is vertically bent on the base plate, a support arm mounting block is vertically bent on the support arm, and profile assembly flanges are bent on both sides of the support arm.

[0013] One end of the reinforcing arm is hinged to the middle of the base plate, and the other end of the reinforcing arm is hinged to the middle of the long arm.

[0014] The bottom surface of the base plate is also equipped with a window frame fixing block for positioning and rotation.

[0015] This utility model, through structural improvements, includes a base plate positioning part on the base plate and a first and second positioning parts on the support arm. When the support arm is hinged open relative to the base plate, the short arm can be positioned on the base plate positioning part and the first positioning part, while the long arm can be positioned on the second positioning part. This allows the base plate, support arm, long arm, short arm, and reinforcing arm to share force not only through their hinge points but also through the base plate positioning part, the first and second positioning parts. This effectively distributes the force after the door / window is opened to all parts of the hinge, improving the hinge's resistance to deformation, load-bearing capacity, and wind pressure resistance. It also prevents problems such as shaking, vibration, or even resetting rotation or over-opening of the door / window after the support arm is hinged open relative to the base plate, ensuring safe use of the door / window. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the assembly structure of an embodiment of the present utility model.

[0017] Figure 2 This is a schematic diagram of the assembly structure from another perspective of an embodiment of the present invention.

[0018] Figure 3 It is the exploded structural schematic view of one embodiment of the utility model.

[0019] Figure 4 It is another view exploded structural schematic view of one embodiment of the utility model.

[0020] Figure 5 It is the assembly structural schematic view of another application example of one embodiment of the utility model.

[0021] Figure 6 It is another view assembly structural schematic view of another application example of one embodiment of the utility model. DETAILED DESCRIPTION

[0022] In order to make the above object, features and advantages of the utility model more apparent, obvious and easy to understand, the specific implementation of the utility model is described in detail below in conjunction with the drawings. In the following description, a lot of specific details are set forth in order to fully understand the utility model. But the utility model can be implemented in many other ways different from the description herein, and those skilled in the art can make similar improvements without departing from the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0023] The utility model is further described below in conjunction with the drawings and embodiments.

[0024] Reference Figures 1-6 , the air pressure door and window hinge of the utility model, including mutually hinged cooperation's bottom plate 1, support arm 2, long arm 3, short arm 4 and reinforcing arm 5, bottom plate 1 is provided with bottom plate positioning part 6, support arm 2 is provided with support arm first positioning part 7 and support arm second positioning part 8, when support arm 2 is hinged open relative to bottom plate 1, short arm 4 is positioned on bottom plate positioning part 6 and support arm first positioning part 7, long arm 3 is positioned on support arm second positioning part 8.

[0025] The embodiment is provided with bottom plate positioning part 6 on bottom plate 1, support arm first positioning part 7 and support arm second positioning part 8 are provided on support arm 2, so that when support arm 2 is hinged open relative to bottom plate 1, short arm 4 can be positioned on bottom plate positioning part 6 and support arm first positioning part 7, long arm 3 can be positioned on support arm second positioning part 8, so that bottom plate 1, support arm 2, long arm 3, short arm 4 and reinforcing arm 5 not only bear force through mutual hinge points, but also bear force through bottom plate positioning part 6, support arm first positioning part 7 and support arm second positioning part 8, to effectively disperse the acting force after door and window opening to each part of the entire door and window hinge, thereby improving the deformation resistance, load capacity and wind pressure performance of the door and window hinge, and further avoiding a series of problems such as shaking, vibration, even resetting rotation or over-opening of the door and window after support arm 2 is hinged open relative to bottom plate 1, ensuring the safe use of the door and window.

[0026] The bottom plate positioning portion 6 and the bottom plate 1, the support arm first positioning portion 7 and the support arm 2, and the support arm second positioning portion 8 and the support arm 2 are integrally formed or separately arranged and then fixed by welding, fasteners, or buckles.

[0027] Specifically, the positioning plate 9 is fixedly arranged on the support arm 2, the support arm first positioning portion 7 is integrally arranged on the positioning plate 9, one end of the short arm 4 is hingedly connected to the support arm 2 and the positioning plate 9, and the one end of the short arm 4 is positioned on the support arm first positioning portion 7 when the support arm 2 is hingedly opened relative to the bottom plate 1.

[0028] The other end of the short arm 4 is hingedly connected to the bottom plate 1, the bottom plate positioning portion 6 is integrally protruded on the surface of the bottom plate 1 and located on one side of the hinged connection between the short arm 4 and the bottom plate 1, and the other end of the short arm 4 is positioned on the bottom plate positioning portion 6 when the support arm 2 is hingedly opened relative to the bottom plate 1.

[0029] In the embodiment, the support arm 2 and the positioning plate 9 are fixed to each other by fasteners, one end of the short arm 4 is hingedly connected to the support arm 2 and the positioning plate 9 by a hinge rivet, and the other end of the short arm 4 is hingedly connected to the bottom plate 1 by a hinge rivet. The support arm first positioning portion 7 is integrally arranged on the side of the positioning plate 9, and the side of the end of the short arm 4 is positioned on the bottom plate positioning portion 6 when the support arm 2 is hingedly opened relative to the bottom plate 1.

[0030] One end of the long arm 3 is hingedly connected to the support arm 2, the support arm second positioning portion 8 is integrally protruded on the bottom surface of the support arm 2 and located on one side of the hinged connection between the long arm 3 and the support arm 2, and the one end of the long arm 3 is positioned on the support arm second positioning portion 8 when the support arm 2 is hingedly opened relative to the bottom plate 1.

[0031] The linear sliding groove 10 is arranged on the bottom plate 1, the upper sliding piece 11 and the lower sliding piece 12 are arranged on the linear sliding groove 10, the upper sliding piece 11 and the lower sliding piece 12 are respectively located on the upper and lower positions of the linear sliding groove 10 and fixedly matched with each other, the other end of the long arm 3 is hingedly connected to the upper sliding piece 11 and the lower sliding piece 12 and slid on the linear sliding groove 10 through the upper sliding piece 11 and the lower sliding piece 12.

[0032] In this embodiment, the upper sliding plate 11 and the lower sliding plate 12 are fixed to each other by fasteners, one end of the long arm 3 is hinged to the support arm 2 by a hinge rivet, and the other end of the long arm 3 is simultaneously hinged to both the upper sliding plate 11 and the lower sliding plate 12 by a hinge rivet. The second positioning part 8 of the support arm is integrally protruding from the bottom surface of the support arm 2 and is positioned between the hinge of the long arm 3 and the support arm 2, and between the hinge of the short arm 4 and the support arm 2 and the positioning plate 9. The second positioning part 8 of the support arm is located near the hinge of the long arm 3 and the support arm 2. When the support arm 2 is hinged open relative to the bottom plate 1, one end of the long arm 3 is positioned on the second positioning part 8 of the support arm. At the same time, the long arm 3 also slides along the trajectory of the linear slide groove 10 through the cooperation of the upper sliding piece 11 and the lower sliding piece 12. In this way, the cooperation of the upper sliding piece 11 and the lower sliding piece 12 enables the long arm 3 to slide stably on the linear slide groove 10, thereby improving the sliding stability between the long arm 3 and the bottom plate 1 and reducing the shaking and vibration of the door and window when opening and closing.

[0033] The base plate 1 is provided with guide reinforcing ribs 13 corresponding to the upper sliding plate 11 and / or the lower sliding plate 12.

[0034] In this embodiment, the guide reinforcing rib 13 protrudes from the surface of the base plate 1 and is located on one side of the linear slide groove 10. The guide reinforcing rib 13 extends linearly and is parallel to the linear slide groove 10. When the upper slide plate 11 slides, it is guided by the guide reinforcing rib 13 to further improve the sliding fit stability between the long arm 3 and the base plate 1.

[0035] A wear-resistant part 14 is provided on the positioning pad between the base plate 1 and the short arm 4, or between the base plate 1 and the reinforcing arm 5.

[0036] like Figure 1 As shown, the wear-resistant part 14 is fixed to the base plate 1 by fasteners and is placed under the short arm 4. The short arm 4 is hinged to the wear-resistant part 14 and the short arm 4 by hinge rivets. When the short arm 4 is hinged on the base plate 1, it can act on the wear-resistant part 14 to avoid friction between the short arms 4 and improve the service life of the product.

[0037] like Figure 5 As shown, the wear-resistant part 14 is fixed to the base plate 1 by fasteners and is placed under the short arm 4 and the reinforcing arm 5. The short arm 4 is hinged to both the wear-resistant part 14 and the short arm 4 by hinge rivets, and the reinforcing arm 5 is also hinged to both the wear-resistant part 14 and the short arm 4 by hinge rivets.

[0038] When the short arm 4 and the reinforcing arm 5 are hinged on the base plate 1, they can act on the wear-resistant part 14 respectively, so as to avoid friction between the short arm 4, the reinforcing arm 5 and the short arm 4, and improve the service life of the product.

[0039] One end of the reinforcing arm 5 is hinged to the middle of the base plate 1, and the other end of the reinforcing arm 5 is hinged to the middle of the long arm 3.

[0040] In the embodiment, the hinge between the reinforcing arm 5 and the bottom plate 1 is located between the hinge between the short arm 4 and the bottom plate 1 and the hinge between the long arm 3 and the upper sliding sheet 11, and the hinge between the reinforcing arm 5 and the long arm 3 is located between the hinge between the long arm 3 and the supporting arm 2 and the hinge between the long arm 3 and the upper sliding sheet 11.

[0041] The bottom plate 1 is vertically bent with a bottom plate mounting block 15, the supporting arm 2 is vertically bent with a supporting arm mounting block 16, and the supporting arm 2 is further bent with profile assembly flanges 17 on both sides.

[0042] In the embodiment, the bottom plate 1 is positioned and relied on the side of the window frame through the bottom plate mounting block 15, the supporting arm 2 is slidably connected on the door and window profile through the profile assembly flanges 17 and is positioned and relied on the side of the door and window profile through the supporting arm mounting block 16, and is fixed on the side of the door and window profile through the fasteners acting on the supporting arm mounting block 16, thereby effectively improving the stable cooperation between the supporting arm 2 and the door and window profile, and improving the structural strength of the door and window profile after assembly and reducing the problem of deformation of the door and window profile.

[0043] As shown in Figures 1-4 , the bottom plate 1 is wide-body arranged, which can be suitable for wide window frame fixing and narrow window frame fixing. Specifically, the bottom plate 1 is further positioned and rotated with a window frame fixing block 18 on the bottom surface. When the bottom plate 1 is used for wide window frame fixing, the bottom plate 1 is directly placed on the wide window frame, and the window frame fixing block 18 is rotated to be clamped into the profile groove of the wide window frame, and finally the fixing between the bottom plate 1 and the wide window frame is realized through the fasteners; when the bottom plate 1 is used for narrow window frame fixing, the bottom plate 1 is directly placed on the narrow window frame, and the window frame fixing block 18 is rotated to avoid the profile groove of the narrow window frame, and finally the fixing between the bottom plate 1 and the wide window frame is realized through the fasteners.

[0044] As shown in Figure 5 , Figure 6 , the bottom plate 1 is narrow-body arranged, which is only suitable for narrow window frame fixing. In addition, in order to further improve the assembly stability of the bottom plate 1 and the window frame, the bottom plate 1 can also be positioned and rotated with a window frame fixing block 18 on the bottom surface. When the bottom plate 1 is assembled, the bottom plate 1 is directly placed on the narrow window frame, and the window frame fixing block 18 is rotated to be clamped into the profile groove of the narrow window frame, and finally the fixing between the bottom plate 1 and the narrow window frame is realized through the fasteners.

[0045] The above is the preferred scheme of the utility model, and the basic principle, main features and advantages of the utility model are displayed and described. Those skilled in the art should understand that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only for the purpose of illustrating the principle of the utility model. The utility model can have various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed, and the scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A hinge for a door or window to resist wind pressure, characterized by: The application relates to a support arm mechanism, which comprises a bottom plate (1), a support arm (2), a long arm (3), a short arm (4) and a reinforcing arm (5) which are hingedly connected with each other, the bottom plate (1) is provided with a bottom plate positioning part (6), the support arm (2) is provided with a support arm first positioning part (7) and a support arm second positioning part (8), when the support arm (2) is hingedly opened relative to the bottom plate (1), the short arm (4) is positioned on the bottom plate positioning part (6) and the support arm first positioning part (7), and the long arm (3) is positioned on the support arm second positioning part (8).

2. The hinge according to claim 1, wherein: The bottom plate positioning part (6) and the bottom plate (1), the support arm first positioning part (7) and the support arm (2), and the support arm second positioning part (8) and the support arm (2) are integrally formed or are separately arranged and then fixed by welding, fasteners or buckles.

3. The hinge according to claim 1, wherein: The support arm (2) is fixedly provided with a positioning plate (9), the support arm first positioning part (7) is integrally arranged on the positioning plate (9), one end of the short arm (4) is hingedly connected with the support arm (2) and the positioning plate (9), and the one end of the short arm (4) is positioned on the support arm first positioning part (7) when the support arm (2) is hingedly opened relative to the bottom plate (1).

4. The hinge according to claim 3, wherein: The other end of the short arm (4) is hingedly connected with the bottom plate (1), the bottom plate positioning part (6) is integrally arranged on the surface of the bottom plate (1) and located on one side of the hinged connection between the short arm (4) and the bottom plate (1), and the other end of the short arm (4) is positioned on the bottom plate positioning part (6) when the support arm (2) is hingedly opened relative to the bottom plate (1).

5. The hinge according to claim 1, wherein: One end of the long arm (3) is hingedly connected with the support arm (2), the support arm second positioning part (8) is integrally arranged on the bottom surface of the support arm (2) and located on one side of the hinged connection between the long arm (3) and the support arm (2), and the one end of the long arm (3) is positioned on the support arm second positioning part (8) when the support arm (2) is hingedly opened relative to the bottom plate (1).

6. The hinge according to claim 5, wherein: A linear sliding groove (10) is arranged on the bottom plate (1), the linear sliding groove (10) is provided with an upper sliding piece (11) and a lower sliding piece (12), the upper sliding piece (11) and the lower sliding piece (12) are respectively arranged on the upper and lower positions of the linear sliding groove (10) and are fixedly connected with each other, the other end of the long arm (3) is hingedly connected with the upper sliding piece (11) and the lower sliding piece (12) and slides on the linear sliding groove (10) through the upper sliding piece (11) and the lower sliding piece (12).

7. The hinge according to claim 6, wherein: The bottom plate (1) is provided with a guide reinforcing rib (13) corresponding to the upper sliding piece (11) and / or the lower sliding piece (12).

8. The hinge according to claim 1, wherein: Wear-resistant parts (14) are arranged between the bottom plate (1) and the short arm (4) or between the bottom plate (1) and the reinforcing arm (5).

9. The hinge according to claim 1, wherein: The bottom plate (1) is vertically bent to form a bottom plate mounting block (15), the support arm (2) is vertically bent to form a support arm mounting block (16), and profile assembly folding edges (17) are further arranged on the two sides of the support arm (2). One end of the reinforcing arm (5) is hinged to the middle of the bottom plate (1), and the other end of the reinforcing arm (5) is hinged to the middle of the long arm (3).

10. The hinge according to claim 1, wherein: The bottom plate (1) is further provided with a window frame fixing block (18) on the bottom surface.

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