A hidden hinge capable of individually wiping windows

Abstract

The hidden hinge for individually wiping windows disclosed in the present invention comprises a hinge assembly and a lever-type drag opener assembly, the hinge assembly comprises a window frame fixed base, a window sash fixed base, a main board, a main board slider, a sub-board and a sub-board slider, the main board and the sub-board are cross-riveted, one end of the main board is riveted to the main board slider, and the other end is horizontally slidably connected to the window sash fixed base, one end of the sub-board is riveted to the sub-board slider, and the other end is riveted to the window sash fixed base, the lever-type drag opener assembly comprises an opener fixed base, a lever support sheet and a handle, the opener fixed base is installed and fixed to one end of the window frame fixed base, the two ends of the lever support sheet are respectively rotatably connected to the sub-board slider and the middle part of the handle, and one end of the handle is rotatably connected to the opener fixed base. The hidden hinge of the present invention has a scissor-type motion track, can be installed in a split form, opens smoothly after installation, returns accurately, has a good load-bearing effect, and has a long service life, which is convenient for users to individually wipe and clean the window sash.

Description

Technical Field

[0001] The invention relates to a building hardware door and window accessory, in particular to a hidden hinge capable of independently wiping windows. Background Art

[0002] The wipeable window hinges used on traditional outward-opening doors and windows are all integral friction hinges. A set of hinges are installed on the upper and lower parts of the door and window, namely the upper hinge and the lower hinge. The window cleaning work is implemented by increasing the opening space, which limits the design of the hinge. The structure of the traditional wipeable window hinge generally includes a bottom plate, a short support plate, a middle support plate, a long support plate and a pull rod. The movement trajectory of the hinge is usually a parallelogram. During the opening and closing process of the hinge, the window sash must be moved out and returned to its original position with the assistance of the wrap angle added to the hinge, which is easy to produce a virtual position. In addition, since the weight of the door and window sash is heavy, which can reach hundreds of kilograms, and the support plates of the traditional wipeable window hinges are often thin, the load-bearing effect is not ideal, and the service life is limited. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a hidden hinge for individually wiping windows, which has the advantages of smooth opening, accurate return, good load-bearing effect and long service life, in view of the deficiencies in the prior art.

[0004] The technical solution adopted by the present invention to solve the above technical problems is: a hidden hinge that can be used to wipe windows separately, including a hinge assembly and a lever-type drag opener assembly, the hinge assembly including a window frame fixed base, a window sash fixed base, a main board, a main board slider, a sub-board and a sub-board slider, a slideway is provided on the window frame fixed base, the slideway is arranged along the length direction of the window frame fixed base, the main board slider and the sub-board slider are respectively slidably installed in the slideway, the main board and the sub-board are cross-riveted, one end of the main board is riveted to the main board slider, the other end of the main board is horizontally slidably connected to the window sash fixed base, one end of the sub-board is riveted to the sub-board slider, the other end of the sub-board is riveted to the window sash fixed base, the lever-type drag opener assembly includes an opener fixed base, a lever support sheet and a handle, the The opener fixed base is detachably installed and fixed on one end of the window frame fixed base close to the sub-plate slider, one end of the lever support piece is rotatably connected to the sub-plate slider via a first pin shaft, the other end of the lever support piece is rotatably connected to the middle of the handle via a second pin shaft, one end of the handle is rotatably connected to the opener fixed base via a third pin shaft, the third pin shaft is close to the end of the opener fixed base away from the window frame fixed base, the first pin shaft, the second pin shaft, and the third pin shaft are respectively arranged along the width direction of the window frame fixed base, and when the handle is closed, the handle is superimposed on the lever support piece; when the handle is flipped around the third pin shaft to open, the lever support piece is pulled, and the sub-plate slider is dragged outward through the lever support piece, thereby driving the main board, sub-plate, sub-plate slider and window sash fixed base to synchronously move a distance along the window frame fixed base to the other side of the window frame profile.

[0005] The hidden hinge of the present invention has a scissor-type motion track, and its hinge component and lever-type drag opener component can be installed separately. After installation, it opens smoothly, returns accurately, has a good load-bearing effect, and has a long service life, which is convenient for users to clean the window sashes separately.

[0006] The hidden hinge of the present invention is mainly used for the load-bearing opening and closing of building hardware doors and windows. The hinge assembly can not only be installed separately and serve as a hinge to bear the load, open and close the doors and windows, but the hinge assembly and the lever-type drag opener assembly can also be installed in combination. Through the detachable lever-type drag opener assembly, the main board, sub-board and other hinge accessories together with the opened window sash are synchronously moved a distance along the window frame fixed base to the other side of the window frame profile, so that there is enough space on both sides of the opened window sash, meeting the user's comprehensive and thorough individual window cleaning needs for the inner and outer surfaces of the window sash.

[0007] Preferably, a locking screw is installed on the sub-plate slider, and the locking screw is used to lock or loosen the sub-plate slider. Tighten the locking screw to lock the sub-plate slider, and the hinge assembly can be installed separately and used as a hinge; after the lever-type drag opener assembly is installed on the hinge assembly, the locking screw needs to be loosened to loosen the sub-plate slider, and the hinge assembly and the lever-type drag opener assembly are combined to form a hidden hinge that can be used for window cleaning separately. The design of the locking screw facilitates the quick switching of the hidden hinge of the present invention in different application occasions.

[0008] Preferably, a positioning hole is provided on the secondary plate slider, and a positioning column matched with the positioning hole is provided on the handle, and when the handle is closed, the positioning column is inserted into the positioning hole. The cooperation between the positioning hole and the positioning column plays a good positioning role for the closed hinge to ensure safety.

[0009] Preferably, a damping adjustment screw is installed on the mainboard slider to adjust the damping.

[0010] Preferably, the main board and the auxiliary board are cross-riveted via a first rivet, one end of the main board is riveted to the main board slider via a second rivet, the other end of the main board is horizontally slidably connected to the window sash fixing base via a third rivet, a guide groove is provided on the window sash fixing base, the third rivet is installed in the guide groove, one end of the auxiliary board is riveted to the auxiliary board slider via an eccentric rivet, and the other end of the auxiliary board is riveted to the window sash fixing base via a fourth rivet. The design of eccentric rivet riveting facilitates the front-back adjustment of the installation position of the hinge assembly.

[0011] Preferably, the cross section of the slideway is a dovetail groove. The design of the dovetail groove is conducive to saving space and ensuring the reliability of the main board slider and the auxiliary board slider sliding along the slideway.

[0012] Preferably, a positioning flange with a C-shaped cross section is provided on the rear side of the window frame fixing base, the opening of the positioning flange faces the rear side of the window frame fixing base, and the edges of the main board and the auxiliary board extend into the inner side of the positioning flange respectively. The positioning flange plays a certain lever supporting role on the main board and the auxiliary board, which can further improve the load-bearing capacity of the hidden hinge of the present invention.

[0013] Furthermore, one end of the opener fixing base is inserted into the slideway and the positioning flange at the same time, and is fixed to the window frame fixing base by a connecting screw. The connection method of the opener fixing base and the window frame fixing base has a good positioning effect and can realize the rapid assembly of the opener fixing base and the window frame fixing base.

[0014] Furthermore, the outer surface of the positioning flange is provided with a plurality of reinforcing ribs at intervals, and the front side of the window frame fixing base is provided with a plurality of grooves at intervals. The plurality of reinforcing ribs and the plurality of grooves both strengthen the window frame fixing base, and can further extend the service life of the hidden hinge of the present invention.

[0015] Preferably, the window frame fixing base is provided with a plurality of locking plates, and the window sash fixing base is provided with a plurality of screw holes. During installation, the locking plates are rotated to fix the window frame fixing base on the window frame through the locking plates; screws are respectively inserted into the plurality of screw holes to fix the window sash fixing base on the window sash through the plurality of screws.

[0016] Compared with the prior art, the present invention has the following advantages: the hidden hinge of the present invention has a scissor-type motion trajectory, and its hinge assembly and lever-type drag opener assembly can be installed separately. After installation, it opens smoothly, returns to its original position accurately, has good load-bearing effect, and has a long service life, which makes it convenient for users to clean the window sashes individually. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a diagram of the normally opened state of the hidden hinge capable of wiping the window separately in the embodiment (handle closed state);

[0018] Figure 2 This is a diagram of the handle part flipping open when the hidden hinge capable of wiping the window separately in the embodiment is opened normally;

[0019] Figure 3 This is a diagram of the hidden hinge capable of wiping the window separately in the embodiment when it is opened normally and the handle is completely flipped open;

[0020] Figure 4 It is a top view of the closed state of the hidden hinge capable of individually wiping the window in the embodiment;

[0021] Figure 5 For the corresponding Figure 4 Left-view enlarged image of ;

[0022] Figure 6 This is a diagram of the window sash in a normal open state (handle closed state) after the hidden hinge capable of individually wiping the window in the embodiment is installed;

[0023] Figure 7 This is a state diagram of the window sash when it is ready for cleaning after the hidden hinge capable of individually wiping the window is installed in the embodiment (the handle is fully flipped open). DETAILED DESCRIPTION

[0024] The present invention is further described in detail below with reference to the accompanying drawings.

[0025] The concealed hinge for individually wiping windows of Example 1, as shown in the figure, comprises a hinge assembly and a lever-type drag opener assembly, wherein the hinge assembly comprises a window frame fixing base 1, a window sash fixing base 2, a main board 3, a main board slider 31, a sub-board 4 and a sub-board slider 41, a plurality of locking plates 11 are installed on the window frame fixing base 1, a plurality of screw holes 21 are provided on the window sash fixing base 2, a slideway 12 is provided on the window frame fixing base 1, and the cross section of the slideway 12 is a dovetail groove, and the slideway 12 is arranged along the length direction of the window frame fixing base 1, the main board slider 31 and the sub-board slider 41 are respectively slidably installed in the slideway 12, the main board 3 is cross-riveted with the sub-board 4, one end of the main board 3 is riveted with the main board slider 31, and the other end of the main board 3 is horizontally slidably connected with the window sash fixing base 2, and the sub-board 4 is riveted to the auxiliary plate slider 41, and the other end of the auxiliary plate 4 is riveted to the window sash fixed base 2. The lever-type drag opener assembly includes an opener fixed base 5, a lever support piece 6 and a handle 7. The opener fixed base 5 is detachably mounted and fixed on the end of the window frame fixed base 1 close to the auxiliary plate slider 41, one end of the lever support piece 6 is rotatably connected to the auxiliary plate slider 41 via a first pin shaft 81, the other end of the lever support piece 6 is rotatably connected to the middle part of the handle 7 via a second pin shaft 82, one end of the handle 7 is rotatably connected to the opener fixed base 5 via a third pin shaft 83, the third pin shaft 83 is close to the end of the opener fixed base 5 away from the window frame fixed base 1, and the first pin shaft 81, the second pin shaft 82, and the third pin shaft 83 are respectively arranged along the width direction of the window frame fixed base 1.

[0026] In Example 1, a damping adjustment screw 32 is installed on the main board slider 31, a locking screw 42 is installed on the sub-board slider 41 and a positioning hole 43 is provided. The locking screw 42 is used to lock or loosen the sub-board slider 41. A positioning column 71 adapted to the positioning hole 43 is provided on the handle 7. When the handle 7 is closed, the positioning column 71 is inserted into the positioning hole 43.

[0027] In Example 1, the main board 3 and the sub-board 4 are cross-riveted by the first rivet 33, one end of the main board 3 is riveted to the main board slider 31 by the second rivet 34, the other end of the main board 3 is horizontally slidably connected to the window sash fixing base 2 by the third rivet 35, a guide groove 22 is provided on the window sash fixing base 2, the third rivet 35 is installed in the guide groove 22, one end of the sub-board 4 is riveted to the sub-board slider 41 by an eccentric rivet 44, and the other end of the sub-board 4 is riveted to the window sash fixing base 2 by the fourth rivet 45.

[0028] The hidden hinge for individually wiping windows of Example 2 differs from Example 1 in that, in Example 2, a positioning flange 13 with a C-shaped cross-section is provided on the rear side of the window frame fixing base 1, and the opening of the positioning flange 13 faces the rear side of the window frame fixing base 1, and partial edges of the main board 3 and the sub-board 4 extend into the inner side of the positioning flange 13 respectively, and a plurality of reinforcing ribs 14 are arranged at intervals on the outer surface of the positioning flange 13, and a plurality of grooves 15 are arranged at intervals on the front side of the window frame fixing base 1; one end of the opener fixing base 5 is inserted into both the slide 12 and the positioning flange 13, and is fixed to the window frame fixing base 1 by a connecting screw 51.

[0029] The hinge assembly of the above-mentioned hidden hinge can be installed separately and used as a hinge to bear weight, open and close doors and windows; the hinge assembly and the lever-type drag opener assembly can also be installed in combination and used as a hidden hinge that can be used to clean windows separately.

[0030] When installing the above-mentioned hidden hinge, one set needs to be installed on the upper and lower sides of the door and window. Taking the installation on the lower side of the door and window as an example, when installing, first insert the window sash fixing base 2 in the hinge assembly into the standard C-shaped notch 94 at the lower end of the window sash profile 93, and respectively install screws in multiple screw holes 21, and position and fix the window sash fixing base 2 by multiple screws, and then put the window frame fixing base 1 into the standard C-shaped notch 92 at the lower end of the window frame profile 91, and then rotate each locking piece 11 90 degrees to fix it, and tighten the locking screw 42, and the independent installation of the hinge assembly is completed. After installing other hardware accessories, the window sash can be opened and closed normally. At this time, the hinge assembly can be used as a hinge to bear the weight, open, and close the door and window. On this basis, further, the opener fixed base 5 in the lever-type drag opener assembly is placed into the standard C-shaped groove 92 at the lower end of the window frame profile 91, and one end of the opener fixed base 5 is inserted into the slide 12 and the positioning flange 13, the opener fixed base 5 is positioned, and then the first pin 81 is installed, and the opener fixed base 5 is fixed to the window frame fixed base 1 with the connecting screw 51, and finally the locking screw 42 is loosened, and the hinge assembly and the lever-type drag opener assembly are installed to form a hidden hinge that can be used to wipe the window separately.

[0031] After the concealed hinge for cleaning the window separately is installed, when the handle 7 is closed, the handle 7 is superimposed on the lever support 6, and the window sash is in a normal open state as shown in the figure. Figure 6 When the handle 7 is turned around the third pin 83 and opened, the lever support piece 6 is pulled, and the auxiliary plate slider 41 is dragged outward by the lever support piece 6, thereby driving the main plate 3, the auxiliary plate 4, the auxiliary plate slider 41, the window sash fixing base 2 and the opened window sash to move a distance along the window frame fixing base 1 to the other side of the window frame profile 91. At this time, the window sash is in a state where the window can be cleaned, and its state diagram is shown in FIG. Figure 7At this time, there is enough space on both sides of the opened window sash to meet the user's needs for comprehensive and thorough cleaning of the inner and outer surfaces of the window sash.

Claims

1. A hidden hinge capable of wiping a window independently, characterized in that: The invention comprises a hinge assembly and a lever-type drag opener assembly, wherein the hinge assembly comprises a window frame fixed base, a window sash fixed base, a main board, a main board slider, a sub-board and a sub-board slider, a slideway is provided on the window frame fixed base, and the slideway is arranged along the length direction of the window frame fixed base, the main board slider and the sub-board slider are respectively slidably installed in the slideway, the main board is cross-riveted with the sub-board, one end of the main board is riveted with the main board slider, the other end of the main board is horizontally slidably connected with the window sash fixed base, one end of the sub-board is riveted with the sub-board slider, and the other end of the sub-board is riveted with the window sash fixed base, the lever-type drag opener assembly comprises an opener fixed base, a lever support sheet and a handle, the opener fixed base is detachably installed and fixed on one end of the window frame fixed base close to the sub-board slider, one end of the lever support sheet is rotatably connected with the sub-board slider via a first pin shaft, the other end of the lever support sheet is rotatably connected with the middle part of the handle via a second pin shaft, one end of the handle is rotatably connected with the opener fixed base via a third pin shaft, and the The third pin is close to the end of the opener fixing base away from the window frame fixing base, and the first pin, the second pin and the third pin are respectively arranged along the width direction of the window frame fixing base. When the handle is closed, the handle is superimposed on the lever support piece; while the handle is flipped around the third pin to open, the lever support piece is pulled to drag the sub-plate slider outward through the lever support piece, thereby driving the main board, the sub-plate, the sub-plate slider and the window sash fixing base to synchronously move a distance along the window frame fixing base to the other side of the window frame profile, and a positioning hole is arranged on the sub-plate slider, and a positioning hole is arranged on the handle to be aligned with the A positioning column adapted to the positioning hole, when the handle is closed, the positioning column is inserted into the positioning hole, the main board and the sub-board are cross-riveted by a first rivet, one end of the main board is riveted to the main board slider by a second rivet, the other end of the main board is horizontally slidably connected to the window sash fixing base by a third rivet, a guide groove is provided on the window sash fixing base, the third rivet is installed in the guide groove, one end of the sub-board is riveted to the sub-board slider by an eccentric rivet, and the other end of the sub-board is riveted to the window sash fixing base by a fourth rivet.

2. A concealed hinge capable of individually wiping a window according to claim 1, characterized in that: A locking screw is installed on the auxiliary plate slider, and the locking screw is used to lock or loosen the auxiliary plate slider.

3. The concealed hinge capable of individually wiping a window according to claim 1, characterized in that: A damping adjustment screw is installed on the mainboard slider.

4. The concealed hinge capable of individually wiping a window according to claim 1, characterized in that: The cross section of the slideway is a dovetail groove.

5. A concealed hinge capable of individually wiping a window according to claim 1 or 4, characterized in that: The rear side of the window frame fixing base is provided with a positioning flange with a C-shaped cross section, the opening of the positioning flange faces the rear side of the window frame fixing base, and partial edges of the main board and the sub-board extend into the inner side of the positioning flange respectively.

6. A concealed hinge capable of individually wiping a window according to claim 5, characterized in that: One end of the opener fixing base is inserted into the slideway and the positioning flange at the same time, and is fixed to the window frame fixing base by a connecting screw.

7. The concealed hinge capable of individually wiping a window according to claim 5, characterized in that: The outer surface of the positioning flange is provided with a plurality of reinforcing ribs at intervals, and the front side of the window frame fixing base is provided with a plurality of grooves at intervals.

8. The concealed hinge capable of individually wiping a window according to claim 1, characterized in that: A plurality of locking plates are installed on the window frame fixing base, and a plurality of screw holes are provided on the window sash fixing base.

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