A high load-bearing graded positioning hinge

Abstract

The present invention discloses a high-load-bearing graded positioning hinge, which is connected to a first target installation object and a second target installation object of a door or window, and includes an upper hinge and a lower hinge. The upper hinge includes an upper hinge assembly and a graded positioning device, one end of the upper hinge assembly is connected to the first target installation object, and the other end is connected to the graded positioning device, which is arranged on the second target installation object for controlling the opening distance of the upper hinge. The lower hinge includes a lower hinge assembly and a load-bearing assembly, the lower hinge assembly is connected between the first target installation object and the second target installation object, and one end of the load-bearing assembly is arranged on the first target installation object and the other end is arranged on the lower hinge assembly. The present invention controls the opening distance of the upper hinge assembly through the graded positioning device, controls the opening distance of the lower overhang in the door or window to different distances, thereby meeting different ventilation requirements, and increases the load-bearing capacity of the lower hinge when the door or window is opened sideways through the load-bearing assembly.

Description

Technical Field

[0001] The invention relates to the field of door and window hardware, and in particular to a high-load-bearing graded positioning hinge. Background Art

[0002] On the one hand, the hinges of existing inward-opening and bottom-hung doors and windows have bottom-hung opening structures that can only be opened to a fixed distance, which makes the opening distance of the doors and windows single and cannot meet the needs of different ventilation volumes. Although there are a few structures on the market that can control the opening distance of doors and windows, their structures can only be implemented in the form of adding accessories and cannot be implemented on the hinges, resulting in increased cost of use. Moreover, the opening distance they control is very small and cannot meet the ventilation needs. If different opening distances need to be controlled, additional manual operation steps are required. Because the added accessories are installed above the window sash, it is not convenient to use when the sash is made higher.

[0003] On the other hand, in the door and window hardware industry, the hardware components responsible for the opening and closing of doors and windows are generally divided into two structures: exposed hinges and concealed hinges. If a higher load-bearing capacity is required, exposed hinges only need to add a few hinges, while due to structural reasons, a door and window can often only be equipped with a pair of concealed hinges. This makes the load-bearing capacity of the concealed hinge limited, and it is difficult to achieve the load-bearing capacity of the exposed hinge. Although there are a few accessories on the market that share the hinge load-bearing capacity, they usually use a rigid shaft to connect the frame and fan parts, but the length of the rigid shaft is relatively long, which makes the length of the entire load-bearing device long and the cost is relatively high. Summary of the Invention

[0004] The purpose of the present invention is to provide a high-load-bearing graded positioning hinge, which aims to solve the problem that the structure of the existing underhang hinges for doors and windows has a single opening distance when the underhang doors and windows are opened, and the structure of the hidden hinges for doors and windows has poor load-bearing capacity when the doors and windows are opened casementally.

[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions: providing a high-load-bearing graded positioning hinge, which is connected to the first target installation object and the second target installation object of the door and window, and includes an upper hinge and a lower hinge; the upper hinge includes an upper hinge assembly and a graded positioning device, one end of the upper hinge assembly is connected to the first target installation object, and the other end is connected to the graded positioning device, the graded positioning device is arranged on the second target installation object, and is used to control the opening distance of the upper hinge in the inner downward hanging state; the lower hinge includes a lower hinge assembly and a load-bearing assembly, the lower hinge assembly is connected between the first target installation object and the second target installation object, one end of the load-bearing assembly is arranged on the first target installation object, and the other end is arranged on the lower hinge assembly.

[0006] Furthermore, the graded positioning device includes a base and a first positioning member, the base is arranged on the second target installation object, the base is provided with a first slide groove and a first guide groove, one end of the first positioning member is hinged to the upper hinge assembly and can be slidably arranged in the first slide groove, the other end of the first positioning member is provided with a first guide portion, the first guide portion can be slidably connected in the first guide groove, and a plurality of positioning portions are arranged in sequence along the guide direction in the first guide groove.

[0007] Furthermore, the multiple positioning portions include a first positioning groove, a second positioning groove, a third positioning groove and a fourth positioning groove, a partition portion is set between the first positioning groove and the third positioning groove, the second positioning groove is set relative to the partition portion, and the fourth positioning groove is located on the side of the second positioning groove away from the partition portion, and the first positioning groove, the second positioning groove, the third positioning groove and the fourth positioning groove are sequentially provided with a circulating first guide channel at the beginning and the end.

[0008] Further, the first sliding groove is located on a side of the first guide groove close to the partition, or the first sliding groove is located on a side of the first guide groove away from the partition.

[0009] Furthermore, the upper hinge includes a first base plate and a first connecting rod assembly, the first base plate is arranged on the first target installation object, one end of the first connecting rod assembly is hinged to the first base plate, and the other end is hinged to the graded positioning device, and the first connecting rod assembly can be unfolded or folded.

[0010] Furthermore, the upper hinge includes a first base plate and a second connecting rod assembly, the first base plate is arranged on the first target installation object, one end of the second connecting rod assembly is hinged to the first base plate, and the other end is hinged to the graded positioning device, the second connecting rod assembly can be unfolded or folded, and a second guide groove is provided at one end of the second connecting rod assembly, and a plurality of positioning parts are sequentially provided on the second guide groove.

[0011] Furthermore, the graded positioning device includes a base and a second positioning member, the base is arranged on the second target installation object, the base is provided with a second slide groove, the second positioning member can be slidably arranged in the second slide groove, and the second positioning member is provided with a second guide portion that cooperates with the second guide groove.

[0012] Furthermore, the second connecting rod assembly includes a guide connecting rod, the second guide groove is arranged on the guide connecting rod, the multiple positioning parts include a fifth positioning groove and a sixth positioning groove, the fifth positioning groove is arranged through the end of the guide connecting rod, and the sixth positioning groove is away from the end of the guide connecting rod, and a second guide channel is arranged between the fifth positioning groove and the sixth positioning groove.

[0013] Furthermore, the load-bearing component includes an adjustment component, a connecting member and a rotating member. The adjustment component is arranged on the first target installation object, and the rotating member is arranged on the lower hinge component. One end of the connecting member is connected to the adjustment component, and the other end is connected to the rotating member. The adjustment component can adjust the tension of the connecting member.

[0014] Furthermore, the adjustment assembly includes a first fixing member, an adjusting member and a sliding member, the first fixing member is arranged on the first target installation object, the first fixing member is provided with a first adjustment hole and a second adjustment hole that are in communication with each other, the adjusting member is connected below the first adjustment hole, the sliding member includes a first sliding part and a second sliding part that can be slidably arranged in the first adjustment hole and the second adjustment hole respectively, and the first sliding part is abutted against the adjusting member, and the second sliding part is connected to the connecting member.

[0015] Furthermore, the lower hinge assembly includes a second base plate, a third connecting rod assembly and a hinge assembly, the second base plate is arranged on the first target installation object, the hinge assembly is arranged on the second target installation object, one end of the third connecting rod assembly is hinged to the second base plate, and the other end is hinged to the hinge assembly, the third connecting rod assembly can be unfolded or folded, and the rotating member can be rotatably connected to the hinge assembly.

[0016] Furthermore, the hinge assembly includes a second fixing member and a first hinge shaft, the second fixing member is clamped on the second target installation object, a hinge hole is provided on the second fixing member, the other end of the third link assembly is hinged below the hinge hole, the rotating member is rotatably set in the hinge hole through the first hinge shaft, and the connecting member is connected to the rotating member, and the second fixing member is hinged to one end of the third link assembly and a convex portion is radially provided, the convex portion is connected to the second target installation object, and the third link assembly is hinged on the convex portion.

[0017] Furthermore, the hinge hole includes a first hinge hole and a second hinge hole, the other end of the third connecting rod assembly is hinged below the first hinge hole, and the rotating member is rotatably arranged in the second hinge hole through the first hinge shaft.

[0018] An embodiment of the present invention provides a high-load-bearing graded positioning hinge, which is connected to a first target installation object and a second target installation object of a door or window, and includes an upper hinge and a lower hinge. The upper hinge is used for opening the door or window with an inward underhang, while the lower hinge is used for swinging the door or window sideways. The upper hinge includes an upper hinge assembly and a graded positioning device. One end of the upper hinge assembly is connected to the first target installation object, and the other end is connected to the graded positioning device. The graded positioning device is disposed on the second target installation object and is used to control the opening distance of the upper hinge. The lower hinge includes a lower hinge assembly and a load-bearing assembly. The lower hinge assembly is connected between the first target installation object and the second target installation object. The load-bearing assembly has one end disposed on the first target installation object and the other end disposed on the lower hinge assembly. The present invention controls the opening distance of the upper hinge assembly through the graded positioning device, thereby controlling the opening distance of the door or window with an inward underhang to different degrees, thereby meeting different ventilation requirements. The load-bearing assembly increases the load-bearing capacity of the lower hinge assembly when the door or window is swinging sideways. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0020] Figure 1 A schematic structural diagram of a high-load-bearing graded positioning hinge for doors and windows in a casement-open state provided by the first embodiment of the present invention;

[0021] Figure 2 A schematic structural diagram of a high-load-bearing graded positioning hinge for a door or window provided by the first embodiment of the present invention when the door or window is in the downwardly-hung, small-distance-open state;

[0022] Figure 3 A schematic structural diagram of a high-load-bearing graded positioning hinge for a door or window provided by the first embodiment of the present invention when the door or window is in the downwardly-hung state and opened to a large distance;

[0023] Figure 4 A schematic diagram of the upper hinge structure of a door or window in a casement-open state provided by the first embodiment of the present invention;

[0024] Figure 5 A schematic diagram of the lower hinge structure of a door or window in a casement-open state provided by the first embodiment of the present invention;

[0025] Figure 6 A schematic diagram of the upper hinge structure of a door or window in an open state with a small downward overhang provided by the first embodiment of the present invention;

[0026] Figure 7 A schematic diagram of the upper hinge structure of a door or window with a large downward overhang provided by the first embodiment of the present invention in an open state;

[0027] Figure 8 A schematic diagram of the lower hinge structure of the door and window in the open state provided by the first embodiment of the present invention;

[0028] Figure 9 A schematic structural diagram of an upper hinge assembly provided in a second embodiment of the present invention;

[0029] Figure 10 A schematic structural diagram of a hierarchical positioning device provided in a second embodiment of the present invention;

[0030] Figure 11 A schematic structural diagram of a base provided in a second embodiment of the present invention;

[0031] Figure 12 An exploded view of a base provided in accordance with a second embodiment of the present invention;

[0032] Figure 13 A schematic structural diagram of an upper hinge provided in a third embodiment of the present invention;

[0033] Figure 14 A schematic structural diagram of a hierarchical positioning device provided in a third embodiment of the present invention;

[0034] Figure 15 A schematic structural diagram of an upper hinge assembly provided in a third embodiment of the present invention;

[0035] Figure 16 A partial view of a third embodiment of the present invention;

[0036] Figure 17 An exploded view of a hierarchical positioning device provided in a third embodiment of the present invention;

[0037] Figure 18 An exploded view of a lower hinge provided in accordance with a fourth embodiment of the present invention;

[0038] Figure 19 A partial view B is provided for the fourth embodiment of the present invention;

[0039] Figure 20 A partial view C is provided for the fourth embodiment of the present invention;

[0040] Figure 21 An exploded view of a lower hinge provided in accordance with a fifth embodiment of the present invention;

[0041] Figure 22 A partial view D is provided for the fifth embodiment of the present invention;

[0042] Figure 23 A schematic structural diagram of a lower hinge provided in a sixth embodiment of the present invention;

[0043] Figure 24An exploded view of a lower hinge according to a sixth embodiment of the present invention.

[0044] Description of the symbols in the figure:

[0045] 1. The first target installation object;

[0046] 2. Second target installation;

[0047] 3. Upper hinge; 31. Upper hinge assembly; 311. First base plate; 312. First connecting rod; 313. Second connecting rod; 314. Third connecting rod; 315. Fourth connecting rod; 316. Fifth connecting rod; 317. Sixth connecting rod; 318. Second guide slot; 3181. Fifth positioning slot; 3182. Sixth positioning slot; 319. Second guide channel; 32. Grading positioning device; 321. First base; 322. First positioning member; 3221. First guide portion; 323. First slide slot; 324. First guide slot; 3241. First positioning slot; 3242. Second positioning slot; 3243. Third positioning slot; 3244. Fourth positioning slot; 3245. Partition; 325. First guide channel; 326. Second base; 327. Second positioning member; 328. Second slide slot; 329. Second guide portion; 3210. Control member;

[0048] 4. Lower hinge; 41. Lower hinge assembly; 411. Second base plate; 412. Seventh connecting rod; 413. Eighth connecting rod; 414. Ninth connecting rod; 415. Hinge assembly; 4151. Second fixing member; 4152. First hinge axis; 4153. Hinge hole; 41531. First hinge hole; 41532. Second hinge hole; 4154. Protrusion; 4155. Connecting plate; 4156. Second hinge axis; 42. Adjusting assembly; 421. First fixing member; 4211. First adjusting hole; 4212. Second adjusting hole; 422. Adjusting member; 423. Sliding member; 4231. First sliding part; 4232. Second sliding part; 43. Connecting member; 431. Limiting member; 44. Rotating member. DETAILED DESCRIPTION

[0049] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0050] It will be understood that when used in this specification and the appended claims, the terms “comprises” and “comprising” indicate the presence of described features, integers, steps, operations, elements and / or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components and / or groups thereof.

[0051] It should also be understood that the terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to limit the present invention. As used in the specification and appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms unless the context clearly indicates otherwise.

[0052] It should be further understood that the term "and / or" used in the present description and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.

[0053] Combine Figure 1-3 As shown, an embodiment of the present invention provides a high-load-bearing graded positioning hinge, which is connected to a first target installation object 1 and a second target installation object 2 of a door or window, and includes an upper hinge 3 and a lower hinge 4; the upper hinge 3 includes an upper hinge assembly 31 and a graded positioning device 32, one end of the upper hinge assembly 31 is connected to the first target installation object 1, and the other end is connected to the graded positioning device 32, the graded positioning device 32 is arranged on the second target installation object 2, and is used to control the opening distance of the upper hinge 3; the lower hinge 4 includes a lower hinge assembly 41 and a load-bearing assembly, the lower hinge assembly 41 is connected between the first target installation object 1 and the second target installation object 2, one end of the load-bearing assembly is arranged on the first target installation object 1, and the other end is arranged on the lower hinge assembly 41.

[0054] In the embodiment of the present invention, the door and window handle can adjust the door and window to open horizontally or inwardly downwardly. When the door and window are opened, the first target installation object 1 and the second target installation object 2 are relatively far apart. Among them, the upper hinge 3 is mainly used for the inward downwardly hanging opening of the door and window. The opening distance of the existing inward downwardly hanging door and window is short and the opening distance cannot be adjusted. In this embodiment, a graded positioning device 32 is added to the second target installation object to adjust the angle between the upper hinge assembly 31 provided on the first target installation object 1 and the second target installation object 2, thereby adjusting the opening distance between the first target installation object 1 and the second target installation object 2. Figure 2 and Figure 3 As shown, Figure 2 The included angle between the middle upper hinge assembly 31 and the second target installation object 2 is small, and the opening distance is small. Figure 3 The angle between the middle and upper hinge components 31 and the second target installation object 2 is large, and the opening distance is large, so that the opening distance of the doors and windows is no longer single, meeting different ventilation requirements; Figure 1As shown, the lower hinge 4 is mainly used for the casement opening of doors and windows. The lower hinge assembly 41 is connected between the first target installation object 1 and the second target installation object 2. When the doors and windows are opened, the lower hinge assembly 41 opens, and the lower hinge assembly 41 located below the second target installation object 2 bears the weight. By setting the load-bearing assembly, the load-bearing capacity of the lower hinge assembly 41 when the doors and windows are opened is increased.

[0055] Specifically, the load-bearing component includes an adjustment component 42, a connecting member 43 and a rotating member 44. The adjustment component 42 is arranged on the first target installation object 1, and the rotating member 44 is arranged on the lower hinge component 41. One end of the connecting member 43 is connected to the adjustment component 42, and the other end is connected to the rotating member 44. The adjustment component 42 can adjust the tension of the connecting member 43.

[0056] In this embodiment, a connecting member 43 is used to connect the rotating member 44 and the adjusting component 42. The adjusting component 42 is set on the first target installation object 1 and does not move as the second target installation object 2 moves away. The adjusting component 42 is used to adjust the tension of the connecting member 43. That is, when load-bearing is required, the connecting member 43 can be adjusted to be tight, thereby replacing the lower hinge component 41 to share part of the weight from the second target installation object 2, thereby increasing the load-bearing capacity of the lower hinge 4 when the doors and windows are opened horizontally, which can effectively prevent the doors and windows from falling off.

[0057] Combine Figure 9-12 As shown, in one embodiment, the graded positioning device 32 includes a first base 321 and a first positioning member 322. The first base 321 is arranged on the second target installation object 2. The first base 321 is provided with a first slide groove 323 and a first guide groove 324. One end of the first positioning member 322 is hinged to the hinge assembly 31 and can be slidably arranged in the first slide groove 323. The other end of the first positioning member 322 is provided with a first guide portion 3221. The first guide portion 3221 can be slidably connected in the first guide groove 324. A plurality of positioning portions are arranged in sequence along the guide direction in the first guide groove 324.

[0058] When the cam 322 is in the unlock state, the first guide portion 3221 is in the unlock state, and the second guide portion 3221 is in the unlock state, so that the cam 322 is unlocked.

[0059] Specifically, the graded positioning device 32 also includes a control member 3210, which is mounted on the first base 321 and is used to control the movement of the first positioning member 322. The control member 3210 is connected to the door or window handle. When the door or window handle is turned, the control member 3210 drives the first positioning member 322 to move, thereby adjusting the upper hinge assembly 31. More specifically, when the door or window handle is turned to the first position, the door or window can be opened with an inward downward hang. When the door or window handle is turned to the second position, the distance of the inward downward hang opening of the door or window increases. When the door or window handle is turned to the third position, the door or window can be opened sideways. Doors and windows using high-load-bearing graded positioning hinges can open sideways and with graded inward downward hang opening.

[0060] Furthermore, the multiple positioning portions include a first positioning groove 3241, a second positioning groove 3242, a third positioning groove 3243 and a fourth positioning groove 3244, a partition 3245 is arranged between the first positioning groove 3241 and the third positioning groove 3243, the second positioning groove 3242 and the partition 3245 are arranged relative to each other, and the fourth positioning groove 3244 is located on the side of the second positioning groove 3242 away from the partition 3245, and the first positioning groove 3241, the second positioning groove 3242, the third positioning groove 3243 and the fourth positioning groove 3244 are sequentially provided with a circulating first guide channel 325 at the beginning and end.

[0061] When the first guide portion 3221 is initially located in the first positioning groove 3241, in this state, the angle between the upper hinge assembly 31 and the second target installation object 2 is zero, and the first target installation object 1 and the second target installation object 2 are in contact with each other, that is, the door and window are in a closed state; a partition 3245 is provided between the first positioning groove 3241 and the third positioning groove 3243, and the second positioning groove 3242 is provided opposite to the partition 3245, that is, the second positioning groove 3242 is located between the first positioning groove 3241 and the third positioning groove 3243 in the first guide channel 325. When the first guide portion 3221 arrives at the second positioning groove 3242 along the first guide channel 325, the angle between the upper hinge assembly 31 and the second target installation object 2 becomes larger, and the second target installation object 2 moves away from the first target installation object 1, and the door and window are in a state of being opened with a small inner hanging distance; when the first guide portion 3221 is moved along the first guide channel When the first guide portion 3221 is moved into the fourth positioning groove 3244 along the first guide channel 325, the angle between the upper hinge assembly 31 and the second target installation object 2 becomes larger, and the second target installation object 2 is re-attached close to the first target installation object 1, and the door and window return to the closed state; the first guide channel 325 between the third positioning groove 3243 and the fourth positioning groove 3244 is longer than the distance between the first positioning groove 3241 and the second positioning groove 3242, and this part of the first guide channel 325 is arc-shaped, which facilitates the long-distance sliding of the first guide portion 3221. When the first guide portion 3221 reaches the fourth positioning groove 3244 along the first guide channel 325, the angle between the upper hinge assembly 31 and the second target installation object 2 becomes larger, and the angle is larger than the angle when the first guide portion 3221 is located in the second positioning groove 3242, so that the distance between the second target installation object 2 and the first target installation object 1 is larger, thereby realizing different opening distances for the downward-hanging opening in the door and window.

[0062] Specifically, the first positioning groove 3241 and the third positioning groove 3243 have the same opening direction, both facing the second positioning groove 3242, and the second positioning groove 3242 and the fourth positioning groove 3244 both open toward the first positioning groove 3241. The first guide portion 3221 passes through the first positioning groove 3241, the second positioning groove 3242, the third positioning groove 3243 and the fourth positioning groove 3244 along the first guide channel 325 in sequence, and finally returns to the first positioning groove 3241. The opening of each positioning groove is inclined close to the side of the previous positioning groove to facilitate the first guide portion 3221 to enter the positioning groove.

[0063] Specifically, the first slide groove 323 is located on a side of the first guide groove 324 close to the partition 3245, or the first slide groove 323 is located on a side of the first guide groove 324 away from the partition 3245. In this embodiment, one end of the first positioning member 322 slides in the first slide groove 323, and the other end is provided with the first guide portion 3221. The first slide groove 323 is located on a side of the first guide groove 324 close to or away from the partition 3245, that is, the first slide groove 323 and the first guide groove 324 are collinear, facilitating the sliding of the first guide portion 3221 in the first guide groove 324.

[0064] Furthermore, the upper hinge assembly 31 includes a first base plate 311 and a first connecting rod assembly. The first base plate 311 is set on the first target installation object 1. One end of the first connecting rod assembly is hinged to the first base plate 311, and the other end is hinged to the graded positioning device 32. The first connecting rod assembly can be unfolded or folded. Specifically, the first link assembly includes a first link 312, a second link 313, a third link 314 and a fourth link 315. The first base plate 311 is set on the first target installation object 1. One end of the first link 312 and the second link 313 are respectively hinged at different positions on the first base plate 311, and the other ends of the first link 312 and the second link 313 are respectively hinged at different positions at one end of the third link 314, and the middle part of the first link 312 is hinged to the middle part of the second link 313, and the other end of the third link 314 is hinged to one end of the first positioning member 322. One end of the fourth link 315 is hinged to the third link 314, and the other end is hinged to the first base 321.

[0065] When the cam 314 is in the closed position, the cam 314 is in the closed position, and the cam 314 is in the closed position, so that the cam 314 can be opened and closed easily.

[0066] Combine Figure 6-8 As shown, Figure 6 It is the upper hinge structure of the door and window in the open state with a small downward hanging distance. Figure 7 It is the upper hinge structure of the door and window when it is opened with a large downward hanging distance. Figure 7The included angle between the third connecting rod 314 of the middle upper hinge assembly 31 and the graded positioning device 32 is greater than Figure 6 The included angle between the third connecting rod 314 of the middle upper hinge assembly 31 and the graded positioning device 32 is such that when the door or window is in the downwardly hung open state, the opening and closing of the lower hinge 4 is relatively small, and is mainly reflected in the opening and closing of the upper hinge 3 .

[0067] Combine Figure 13-17 As shown, the upper hinge assembly 31 includes a first base plate 311 and a second connecting rod assembly. The first base plate 311 is set on the first target installation object 1. One end of the second connecting rod assembly is hinged to the first base plate 311, and the other end is hinged to the graded positioning device 32. The second connecting rod assembly can be unfolded or folded. A second guide groove 318 is set at one end of the second connecting rod assembly, and a plurality of positioning parts are sequentially arranged on the second guide groove 318. Specifically, the second link assembly includes a first link 312, a second link 313, a fifth link 316 and a sixth link 317. The first base plate 311 is set on the first target installation object. One end of the first link 312 and the second link 313 are respectively hinged at different positions on the first base plate 311, and the other ends of the first link 312 and the second link 313 are respectively hinged at different positions on one end of the fifth link 316, and the middle part of the first link 312 is hinged to the middle part of the second link 313. The other end of the fifth link 316 is hinged to the graded positioning device 32, and one end of the sixth link 317 is hinged to the fifth link 316. The other end of the sixth link 317 is provided with a second guide groove 318, and a plurality of positioning parts are sequentially provided on the second guide groove 318.

[0068] In this embodiment, multiple positioning parts are arranged on the sixth link 317, the graded positioning device 32 is hinged to the fifth link 316, and the fifth link 316 is hinged to the sixth link 317. That is, the graded positioning device 32 controls the movement of the fifth link 316 while reducing the distance between the two ends of the fifth link 316 and the sixth link 317, so that the upper hinge assembly 31 is opened more completely, thereby realizing different opening distances of the lower hanging opening in the door and window.

[0069] Furthermore, the graded positioning device 32 includes a second base 326 and a second positioning member 327. The second base 326 is arranged on the second target installation object 2. The second base 326 is provided with a second slide groove 328. The second positioning member 327 can be slidably arranged in the second slide groove 328. The second positioning member 327 is provided with a second guide portion 329 that cooperates with the second guide groove 318.

[0070] In this embodiment, the second positioning member 327 is slidably arranged in the second sliding groove 328, and one end of the second positioning member is provided with a second guide portion 329 that can slide in the second guide groove 318. When the second guide portion 329 slides to different positioning portion positions, the fifth connecting rod 316 is adjusted to move to different distances from the sixth connecting rod 317, thereby making the door and window have different opening distances when the lower hanging is opened. Figure 9-12 In the embodiment, the second slide groove 328 is provided on the upper hinge assembly 31, that is, the positioning portion is provided on the upper hinge assembly 31, which can more quickly adjust the different opening distances of the lower hanging of the door and window. However, since the sixth connecting rod 317 is also in a moving state, the adjustment effect is not as good as Figure 9-12 The embodiment in this paper is accurate.

[0071] Specifically, the second connecting rod assembly includes a guide connecting rod, a second guide groove 318 is provided on the guide connecting rod, and a plurality of positioning portions include a fifth positioning groove 3181 and a sixth positioning groove 3182. The fifth positioning groove 3181 is provided through the end of the guide connecting rod, and the sixth positioning groove 3182 is provided away from the end of the guide connecting rod. The fifth positioning groove 3181 and the sixth positioning groove 3182 are provided with a second guide channel 319. More specifically, the guide connecting rod is the sixth connecting rod 317.

[0072] In this embodiment, the second guide portion 329 moves from the fifth positioning slot 3181 to the sixth positioning slot 3182, thereby reducing the distance between the ends of the fifth connecting rod 316 and the sixth connecting rod 317, thereby increasing the opening distance of the door or window when the door or window is opened downwardly. Specifically, the positioning portion can be provided with more positioning slots, allowing the door or window to be opened in multiple stages.

[0073] Combine Figure 18-20 As shown, the adjustment component 42 includes a first fixing member 421, an adjusting member 422 and a sliding member 423. The first fixing member 421 is arranged on the first target installation object 1. The first fixing member 421 is provided with a first adjustment hole 4211 and a second adjustment hole 4212 that are in communication with each other. The adjusting member 422 is connected below the first adjustment hole 4211. The sliding member 423 includes a first sliding portion 4231 and a second sliding portion 4232 that can be slidably arranged in the first adjustment hole 4211 and the second adjustment hole 4212 respectively, and the first sliding portion 4231 is abutted against the adjusting member 422, and the second sliding portion 4232 is connected to the connecting member 43.

[0074] In this embodiment, controlling the movement of the adjusting member 422 controls the movement of the first sliding portion 4231, which abuts against the adjusting member 422. The second sliding portion 4232 is connected side by side to the first sliding portion 4231. The second sliding portion 4232 drives the connecting member 43 connected to the second sliding portion 4232 to move, thereby adjusting the tension of the connecting member 43. Specifically, as the adjusting member 422 moves upward, the connecting member 43 becomes tighter, while as the adjusting member 422 moves downward, the connecting member 43 becomes looser. This allows the connecting member 43 to bear a certain amount of weight on behalf of the lower hinge assembly 41, effectively preventing the door or window from detaching. More specifically, a limiter 431 is provided at one end of the connecting member 43 connected to the second sliding portion 4232 to prevent the connecting member 43 from detaching from the adjusting member 422, allowing the connecting member 43 to bear a greater amount of weight.

[0075] Specifically, the lower hinge assembly 41 includes a second base plate 411, a third connecting rod assembly and a hinge assembly 415. The second base plate 411 is set on the first target installation object 1, and the hinge assembly 415 is set on the second target installation object 2. One end of the third connecting rod assembly is hinged to the second base plate 411, and the other end is hinged to the hinge assembly 415. The third connecting rod assembly can be unfolded or folded, and the rotating member 44 can be rotatably connected to the hinge assembly 415. More specifically, the third link assembly includes a seventh link 412, an eighth link 413, a ninth link 414 and a hinge assembly 415, one end of the seventh link 412 and the eighth link 413 are respectively hinged at different positions on the second base plate 411, and the middle part of the seventh link 412 is hinged to the middle part of the eighth link 413, the other end of the seventh link 412 is hinged to one end of the hinge assembly 415, the other end of the eighth link 413 is hinged to one end of the ninth link 414, the ninth link 414 is hinged to one end of the hinge assembly 415, and the other end of the hinge assembly 415 is connected to the connecting member 43.

[0076] In this embodiment, the second base plate 411 is set on the first target installation object 1. During the opening process of the door and window, the multiple connecting rods hinged on the second base plate 411 are in a gradually opening state, and the hinge assembly 415 is connected to the connecting piece 43, so that the entire lower hinge assembly 41 can bear more weight.

[0077] Specifically, the hinge assembly 415 includes a second fixing member 4151 and a first hinge axis 4152. The second fixing member 4151 is clamped on the second target installation object 2. A hinge hole 4153 is provided on the second fixing member 4151. The other end of the seventh connecting rod 412 is hinged below the hinge hole 4153. The rotating member 44 is rotatably set in the hinge hole 4153 through the first hinge axis 4152, and the connecting member is connected to the rotating member 44. The second fixing member 4151 is hinged to one end of the seventh connecting rod 412 and a protrusion 4154 is radially provided. The protrusion 4154 is connected to the second target installation object 2, and the ninth connecting rod 414 is hinged on the protrusion 4154.

[0078] In this embodiment, the connecting member 43 is connected to the rotating member 44, and the rotating member 44 can be rotatably set on the second fixing member 4151. The second fixing member 4151 is hinged to the seventh connecting rod 412, that is, the second fixing member 4151 moves with the movement of the seventh connecting rod 412, and the rotating member 44 rotates during the movement of the second fixing member 4151, which does not affect the opening and closing of the doors and windows, and the connecting member 43 is connected to the rotating member 44 to replace the hinge assembly 41 to bear more weight. The second fixing member 4151 is clamped on the second target installation object 2, and one end of it is radially provided with a The protrusion 4154 can more firmly connect the second fixing member 4151 to the second target installation object 2. Specifically, the protrusion 4154 is provided with at least one threaded hole (not shown), which can be connected to the second target installation object 2 by screws. The protrusion 4154 is connected to the second target installation object 2, and the ninth connecting rod 414 is hinged on the protrusion 4154. On the basis of the hinge connection between the second fixing member 4151 and the seventh connecting rod 412, the stability of the connection between the lower hinge assembly 41 and the second target installation object 2 can be effectively improved to prevent doors and windows from falling off.

[0079] Combine Figure 21-22 As shown, the hinge assembly 415 includes a second fixing member 4151, a first hinge axis 4152 and a connecting plate 4155. The second fixing member 4151 is connected to the second target installation object 2 by screws. A hinge hole 4153 is provided on the second fixing member 4151. The other end of the seventh connecting rod 412 is hinged below the hinge hole 4153. The rotating member 44 is rotatably set in the hinge hole 4153 through the first hinge axis 4152, and the connecting member is connected to the rotating member 44. One end of the connecting plate 4155 is detachably connected to the second fixing member 4151, and the other end is connected to the second target installation object 2. The ninth connecting rod 414 is hinged to the connecting plate 4155.

[0080] In this embodiment, the second fixing member 4151 is connected to the second target installation object 2 by screws. Compared with the clamping device on the second target installation object 2 in the above embodiment, the connection between the second fixing member 4151 and the second target installation object 2 is tighter and more stable, and the connection between the hinge assembly 415 and the second target installation object 2 is strengthened by connecting the connecting plate 4155 to the second target installation object 2. The connecting plate 4155 and the second fixing member 4151 are detachably connected for easy replacement.

[0081] Furthermore, the hinge hole 4153 includes a first hinge hole 41531 and a second hinge hole 41532 , the other end of the seventh link 412 is hinged below the first hinge hole 41531 , and the rotating member 44 is rotatably disposed in the second hinge hole 41532 through the first hinge shaft 4152 .

[0082] In this embodiment, the seventh connecting rod 412 and the rotating member 44 are hinged in different hinge holes from the second fixed member 4151, which can prevent interference between the two and facilitate component replacement. Specifically, the other end of the seventh connecting rod 412 is hinged in the second hinge hole 41532 via the second hinge shaft 4156, facilitating the flexible opening and closing of the lower hinge assembly 41.

[0083] Specifically, a plurality of intermediate connecting rods (not shown) are provided between the connecting rods hingedly connected in the upper hinge assembly 31 and the lower hinge assembly 41 according to their heights, thereby ensuring smooth rotation of the hinged connecting rods.

[0084] Combine Figure 4-5 As shown, when the door and window are in the casement state, the upper hinge 3 and the lower hinge 4 are also in the casement state, but the connecting rod connected to the graded positioning device 32 does not rotate relative to the graded positioning device 32, and the casement and inner bottom hanging opening states of the door and window will not interfere with each other.

[0085] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope disclosed in the present invention, and such modifications or substitutions are intended to be within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be subject to the scope of protection of the claims.

Claims

1. A high-load-bearing graded positioning hinge connected to a first target installation object and a second target installation object of a door or window, characterized in that: Including upper hinge and lower hinge; The upper hinge includes an upper hinge assembly and a graded positioning device, one end of the upper hinge assembly is connected to the first target installation object, and the other end is connected to the graded positioning device, and the graded positioning device is arranged on the second target installation object, and is used to control the opening distance of the upper hinge in the inner downward hanging state; The lower hinge includes a lower hinge assembly and a load-bearing assembly, wherein the lower hinge assembly is connected between the first target installation object and the second target installation object, and one end of the load-bearing assembly is arranged on the first target installation object, and the other end is arranged on the lower hinge assembly; The upper hinge includes a first base plate and a second connecting rod assembly, wherein the first base plate is arranged on the first target installation object, one end of the second connecting rod assembly is hinged to the first base plate, and the other end is hinged to the graded positioning device, the second connecting rod assembly can be unfolded or folded, and one end of the second connecting rod assembly is provided with a second guide groove, and the second guide groove is sequentially provided with a plurality of positioning parts; The hierarchical positioning device includes a base and a second positioning member, the base is arranged on the second target installation object, the base is provided with a second slide groove, the second positioning member can be slidably arranged in the second slide groove, and the second positioning member is provided with a second guide portion that cooperates with the second guide groove.

2. The high load-bearing graded positioning hinge according to claim 1, characterized in that: The hierarchical positioning device includes a base and a first positioning member, the base is arranged on the second target installation object, the base is provided with a first slide groove and a first guide groove, one end of the first positioning member is hinged to the upper hinge assembly and can be slidably arranged in the first slide groove, the other end of the first positioning member is provided with a first guide portion, the first guide portion can be slidably connected in the first guide groove, and a plurality of positioning portions are arranged in sequence along the guide direction in the first guide groove.

3. The high load-bearing graded positioning hinge according to claim 2, characterized in that: The multiple positioning portions include a first positioning groove, a second positioning groove, a third positioning groove and a fourth positioning groove. A partition is set between the first positioning groove and the third positioning groove. The second positioning groove is set relative to the partition. The fourth positioning groove is located on the side of the second positioning groove away from the partition. The first positioning groove, the second positioning groove, the third positioning groove and the fourth positioning groove are sequentially provided with a circulating first guide channel at the beginning and the end.

4. The high load-bearing graded positioning hinge according to claim 3, characterized in that: The first sliding groove is located on a side of the first guiding groove close to the partition, or the first sliding groove is located on a side of the first guiding groove away from the partition.

5. The high load-bearing graded positioning hinge according to claim 1, characterized in that: The upper hinge includes a first base plate and a first connecting rod assembly. The first base plate is arranged on the first target installation object. One end of the first connecting rod assembly is hinged to the first base plate, and the other end is hinged to the graded positioning device. The first connecting rod assembly can be unfolded or folded.

6. The high load-bearing graded positioning hinge according to claim 1, characterized in that: The second connecting rod assembly includes a guide connecting rod, the second guide groove is arranged on the guide connecting rod, the multiple positioning parts include a fifth positioning groove and a sixth positioning groove, the fifth positioning groove is arranged through the end of the guide connecting rod, and the sixth positioning groove is away from the end of the guide connecting rod, and a second guide channel is arranged between the fifth positioning groove and the sixth positioning groove.

7. The high load-bearing graded positioning hinge according to claim 1, characterized in that: The load-bearing component includes an adjustment component, a connecting member and a rotating member. The adjustment component is arranged on the first target installation object, and the rotating member is arranged on the lower hinge component. One end of the connecting member is connected to the adjustment component, and the other end is connected to the rotating member. The adjustment component can adjust the tension of the connecting member.

8. The high load-bearing graded positioning hinge according to claim 7, characterized in that: The adjustment assembly includes a first fixing member, an adjusting member and a sliding member, the first fixing member is set on the first target installation object, the first fixing member is provided with a first adjustment hole and a second adjustment hole that are in communication with each other, the adjusting member is connected below the first adjustment hole, the sliding member includes a first sliding part and a second sliding part that can be slidably set in the first adjustment hole and the second adjustment hole respectively, and the first sliding part is abutted against the adjusting member, and the second sliding part is connected to the connecting member.

9. The high load-bearing graded positioning hinge according to claim 7, characterized in that: The lower hinge assembly includes a second base plate, a third connecting rod assembly and a hinge assembly. The second base plate is set on the first target installation object, and the hinge assembly is set on the second target installation object. One end of the third connecting rod assembly is hinged to the second base plate, and the other end is hinged to the hinge assembly. The third connecting rod assembly can be unfolded or folded, and the rotating member can be rotatably connected to the hinge assembly.

10. The high load-bearing graded positioning hinge according to claim 9, characterized in that: The hinge assembly includes a second fixing member and a first hinge shaft, the second fixing member is clamped on the second target installation object, a hinge hole is provided on the second fixing member, the other end of the third connecting rod assembly is hinged below the hinge hole, the rotating member is rotatably set in the hinge hole through the first hinge shaft, and the connecting member is connected to the rotating member, and the second fixing member is hinged to one end of the third connecting rod assembly and a convex portion is radially provided, the convex portion is connected to the second target installation object, and the third connecting rod assembly is hinged on the convex portion.

11. The high load-bearing graded positioning hinge according to claim 10, characterized in that: The hinge hole includes a first hinge hole and a second hinge hole. The other end of the third connecting rod assembly is hinged below the first hinge hole. The rotating member is rotatably arranged in the second hinge hole through the first hinge shaft.

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