CN113846923A

CN113846923A - Hidden hinge door and window

Info

Publication number: CN113846923A
Application number: CN202111139333.9A
Authority: CN
Inventors: 陈立果; 梁仕龙; 赵阳; 温元伟; 陈华; 郭辉
Original assignee: Beijing Construction Industry Yinlai Frp Products Co ltd
Current assignee: Beijing Construction Industry Yinlai Frp Products Co ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2021-12-28

Abstract

The application relates to a hidden hinge door and window, which comprises a window frame, a window sash and a hinge for connecting the window frame and the window sash; the hinge comprises a mounting plate, a cantilever, a connecting arm, a connecting plate and a supporting arm; the mounting plate is fixedly connected to the window frame; the cantilever is fixedly connected to the bottom of the window sash; one end of the connecting arm is hinged with the cantilever through a hinged shaft a, one end of the connecting plate is hinged with the mounting plate through a hinged shaft b, and the other end of the connecting arm is hinged with one end, far away from the cantilever, of the connecting arm through a hinged shaft c; one end of the supporting arm is hinged with the mounting plate through a hinge shaft d, the other end of the supporting arm extends to the bottom of the cantilever, and one end of the supporting arm, which is far away from the mounting plate, is in running fit with the cantilever and can slide along the length direction of the cantilever; the connecting arm is hinged with the middle part of the supporting arm through a hinge shaft e. This application has the smoothness degree that improves the casement and open and shut, improves the life's of hinge effect simultaneously.

Description

Hidden hinge door and window

Technical Field

The application relates to the field of doors and windows, in particular to a hidden hinge door and window.

Background

The door and window is mainly used for indoor ventilation and lighting and is an indispensable component in a building, the door and window mainly comprises a window frame and a window sash, the window frame and the window sash are mainly fixed through a common hinge in the traditional technology, so that the opening and closing of the window sash on the window frame are realized, and in order to improve the attractiveness and the heat insulation performance of the door and window in the modern building, the window frame and the window sash are generally connected through a hidden hinge, namely the hinge.

In the related art, a window frame and a window sash are usually connected by using a sliding support hinge, for example, a hinge for doors and windows is disclosed in chinese patent application publication No. CN111946178A, and includes a first mounting seat connected to the window frame, a second mounting seat connected to the window sash, a first connecting rod and a second connecting rod, which form a four-bar mechanism; a stable connecting rod is hinged on the first mounting seat, a sliding groove is formed in one end of the stable connecting rod and the other end of the stable connecting rod, and a sliding bulge matched with the sliding groove is formed in the side link rod with a longer hinging distance; when the four-bar mechanism moves, the second mounting seat and the first mounting seat can be unfolded or folded relatively, the sliding protrusion slides in the sliding groove, so that the sliding protrusion drives the stabilizing connecting rod to swing based on the first mounting seat, the stabilizing connecting rod is unfolded or folded relatively to the first mounting seat, and a person with a long hinge distance in the connecting rod has friction force in the relative movement process of the person and the stabilizing rod, so that when the four-bar mechanism moves, the second mounting seat and the first mounting seat can be unfolded or folded relatively and have damping feeling.

With respect to the related art in the above, the inventors consider that: because the spout is open structure, accumulate dust and impurity easily after a period of time, be difficult to the clearance to lead to the spout to block up, influence the smoothness degree that the casement opened and shut, the frictional resistance increase of hinge self simultaneously, the effort that the hinge received when opening and shutting door and window improves, still can lead to hinge and window frame and casement junction to produce after long-time the use and become flexible, influence the life of hinge.

Disclosure of Invention

In order to improve the smoothness degree that the casement opened and shut, improve the life of hinge simultaneously, this application provides a hidden hinge door and window.

The application provides a pair of hidden hinge door and window adopts following technical scheme:

a hidden hinge door and window comprises a window frame, a window sash and a hinge for connecting the window frame and the window sash; the hinge comprises a mounting plate, a cantilever, a connecting arm, a connecting plate and a supporting arm; the mounting plate is fixedly connected to the window frame; the cantilever is fixedly connected to the bottom of the window sash; one end of the connecting arm is rotatably connected with the cantilever through a hinged shaft a, one end of the connecting plate is hinged with the mounting plate through a hinged shaft b, and the other end of the connecting arm is hinged with one end, far away from the cantilever, of the connecting arm through a hinged shaft c; one end of the supporting arm is hinged with the mounting plate through a hinge shaft d, the other end of the supporting arm extends to the bottom of the cantilever, and one end of the supporting arm, which is far away from the mounting plate, is in running fit with the cantilever and can slide along the length direction of the cantilever; the connecting arm is hinged with the middle part of the supporting arm through a hinge shaft e.

By adopting the technical scheme, when the window sash is opened, the window sash rotates around the hinge shaft a, the connecting plate rotates around the hinge shaft b, and the hinge point c moves towards the direction close to the support arm, so that the hinge shaft c is positioned between the hinge shaft b and the hinge shaft d, one end of the support plate, far away from the mounting plate, rotates and slides on the cantilever, the hinge shaft g is far away from the window frame, and the cantilever, the connecting arm and the support arm are in an opening state; when the casement was closed, the casement rotated around articulated shaft a, and the connecting plate rotated around articulated shaft b, and pin joint c moves towards the direction of keeping away from the support arm to make articulated shaft b be located between articulated shaft c and the articulated shaft d, articulated shaft d moves towards the window frame, and mounting panel, cantilever, linking arm, connecting plate and support arm are folding, thereby accomplish closing of casement. To sum up, through setting up mounting panel, cantilever, linking arm, connecting plate and support arm, use mounting panel to connect mounting panel and linking arm, reduced dust or impurity and piled up on the hinge, improved the smoothness degree that the casement opened and shut, improved the life of hinge simultaneously.

Optionally, be provided with the spout along the length direction of cantilever on the cantilever, the one end protrusion that the mounting panel was kept away from to the support arm is provided with the slip post, the slip post is worn to locate in the spout, the slip post slides the cooperation with the spout and can rotate at the spout, the one end protrusion that the support arm was kept away from to the slip post is provided with the spacing ring, the diameter of spacing ring is greater than the width of spout.

Through adopting above-mentioned technical scheme, when switch casement, the post that slides can slide in the spout, and simultaneously along with the change of angle between casement and the window frame, the post that slides can rotate along with it, and the spacing ring can restrict the post that slides, prevents that the post that slides breaks away from in the spout. Through setting up spout, post and the spacing ring of sliding, improve support arm tip and slide pivoted smoothness degree and stability on the cantilever.

Optionally, the window sash is provided with an installation groove, and the cantilever is embedded in the installation groove and fixedly connected with the window sash through a bolt.

By adopting the technical scheme, the installation convenience of the cantilever on the window sash is facilitated.

Optionally, two opposite side walls of the mounting groove are provided with clamping grooves, and the mounting groove and the clamping grooves are arranged in a U shape; a plurality of clamping pieces are arranged on one surface of the cantilever facing the mounting groove; the clamping piece comprises a control rod arranged on the cantilever in a penetrating mode and a clamping plate fixedly connected to one end, facing the mounting groove, of the control rod; the control rod is rotatably connected with the cantilever, and when the control rod is rotated, two ends of the clamping plate are located in the clamping grooves.

Through adopting above-mentioned technical scheme, when the installation cantilever, at first with the cantilever embedding mounting groove in, then rotate the control lever and drive the cardboard and rotate to make cardboard card tip get into the draw-in groove, the cardboard can support the casement, thereby improves the stability of casement installation on the hinge.

Optionally, be provided with a plurality of first spacing grooves on the window frame, inlay in the first spacing groove and be equipped with the limiting plate, be provided with the second spacing groove on the mounting panel, the one end that first spacing groove was kept away from to the limiting plate inlays and locates in the second spacing groove, the spiro union has the screw on the mounting panel, the screw pass mounting panel and limiting plate in proper order and with the window frame spiro union.

Through adopting above-mentioned technical scheme, when the fixed mounting panel, at first with the first spacing groove of limiting plate embedding, then with the face and the window frame laminating of mounting panel, the limiting plate is kept away from one side of first spacing groove and is embedded into the second spacing groove simultaneously, then screws up the screw, and the limiting plate can restrict the position of mounting panel, reduces rocking of mounting panel, improves the stability of mounting panel.

Optionally, the window frame is provided with a positioning groove, the two ends of the mounting plate are provided with bends, and the bends are matched with the positioning groove and embedded in the positioning groove.

Through adopting above-mentioned technical scheme, when fixed mounting panel, can with the mounting panel both ends bend during the embedding constant head tank to the convenience is fixed a position the mounting panel, improves the convenience of installation.

Optionally, an installation barrel is fixedly connected to the frame, an articulated shaft a is arranged on one side, far away from the connecting plate, of the connecting arm, and the articulated shaft a is inserted into the installation barrel and is in running fit with the installation barrel.

Through adopting above-mentioned technical scheme, improve articulated shaft a and casement normal running fit's convenience and smoothness degree.

Optionally, an opening is arranged at the upper end of the mounting cylinder, and a positioning piece is arranged in the mounting cylinder; the setting element is including pegging graft in an installation section of thick bamboo and the locating lever of lower extreme and articulated shaft a's upper end butt, the locating lever cooperates with an installation section of thick bamboo that slides, the protrusion is provided with the restriction pole on the periphery of locating lever, be provided with the restriction groove along the axis of an installation section of thick bamboo on the inner wall of an installation section of thick bamboo, the restriction pole is arranged in the restriction groove and cooperates with the restriction groove slides, articulated shaft a's up end is provided with the fixed slot, the lower terminal surface of locating lever is provided with the location arch, works as when the casement is opened, the location arch inlays and locates in the fixed slot.

By adopting the technical scheme, when the window sash is opened to the maximum state, the positioning rod is inserted into the mounting barrel, the positioning protrusion is embedded into the fixing groove, the mounting barrel of the positioning rod is prevented from rotating relatively under the limitation of the limiting rod, the limiting rod and the hinge shaft a are prevented from rotating relatively under the action of the positioning protrusion and the fixing groove, and then the hinge shaft a and the mounting barrel are prevented from rotating relatively, so that the window sash is kept stable; through setting up the locating lever, be convenient for restrict the casement of opening, improve the stability of casement.

Optionally, the setting element still includes the spring, the elasticity direction of spring is parallel with the slip direction of location under the effect of spring, the locating lever and articulated shaft a elasticity butt.

By adopting the technical scheme, under the action of the spring, the positioning rod is elastically abutted against the hinge shaft a, when the window sash is opened, under the action of the limiting rod, the positioning rod and the mounting barrel synchronously move, the positioning rod and the hinge shaft a relatively rotate, when the window sash is opened to the limit state, the positioning protrusion corresponds to the position of the fixing groove, the positioning rod is pushed to move towards the direction of the hinge shaft under the action of the spring, and the positioning protrusion is embedded into the fixing groove, so that the position of the window sash is limited; when the casement needs to be closed, the locating rod is pulled towards the direction deviating from the hinge shaft, the locating protrusion is separated from the fixing groove, and then the casement is closed. Through setting up the spring, improve the convenience of carrying out the restriction to the casement position.

Optionally, the positioning element further comprises a limiting ring fixedly connected to an opening at one end of the mounting cylinder, which is far away from the hinge shaft a, and the positioning rod is arranged on the limiting ring in a penetrating manner and is in sliding fit with the limiting ring; the spring is sleeved on the positioning rod, two ends of the spring are respectively abutted against the limiting rod and the limiting ring, and the spring is always in a compression state.

Through adopting above-mentioned technical scheme, the locating lever can restrict and guide the flexible of spring to improve the flexible smoothness degree of spring.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the mounting plate, the cantilever, the connecting arm, the connecting plate and the supporting arm, the mounting plate is used for connecting the mounting plate and the connecting arm, so that the accumulation of dust or impurities on the hinge is reduced, the opening and closing fluency of the window sash is improved, and the service life of the hinge is prolonged;

2. the sliding chute, the sliding column and the limiting ring are arranged, so that the smoothness and the stability of the sliding and rotating of the end part of the supporting arm on the cantilever are improved;

3. the clamping plate is arranged, so that the window sash can be supported, and the stability of the installation of the window sash on the hinge is improved;

4. by arranging the limiting plate, the position of the mounting plate can be limited, the shaking of the mounting plate is reduced, and the stability of the mounting plate is improved;

5. the positioning rod is arranged, so that the opened window sash is convenient to limit, and the stability of the window sash is improved;

6. through setting up the spring, can improve the convenience of carrying out the restriction to the window fan position.

Drawings

FIG. 1 is a schematic view of a hidden-hinge door/window according to an embodiment of the present disclosure;

FIG. 2 is a schematic structural view of a hinge in an embodiment of the present application;

FIG. 3 is a schematic view of a hinge and a window sash in an embodiment of the present application;

FIG. 4 is a schematic view of the structure of the hinge and the window frame of the present embodiment;

FIG. 5 is a schematic diagram of the structure of the support arm and the cantilever according to the embodiment of the present application;

FIG. 6 is a schematic structural diagram of a positioning member according to an embodiment of the present disclosure;

FIG. 7 is a cross-sectional view of a retainer in an embodiment of the present application.

Description of reference numerals: 1. a window frame; 10. a first seal groove; 11. a second seal groove; 110. a first limit groove; 111. positioning a groove; 2. a window sash; 20. a frame; 200. a first blocking edge; 201. a second blocking edge; 202. mounting grooves; 203. a card slot; 21. a glass plate; 23. a rubber pad; 3. a hinge; 30. mounting a plate; 300. a second limit groove; 301. bending; 31. a cantilever; 310. a chute; 311. accommodating grooves; 312. a yielding groove; 32. a connecting arm; 320. a hinge shaft a; 321. fixing grooves; 33. a connecting plate; 330. a hinged shaft b; 331. a hinge shaft c; 34. a support arm; 340. a hinged shaft d; 341. a hinge shaft e; 4. a limiting plate; 5. mounting the cylinder; 50. a limiting groove; 6. sliding the column; 60. a limiting ring; 61. a rubber ring; 7. a clamping piece; 70. a control lever; 71. clamping a plate; 8. a positioning member; 80. positioning a rod; 800. positioning the projection; 801. a pull ring; 81. a confinement ring; 82. a spring; 83. a restraining bar.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses hidden hinge door and window. Referring to fig. 1, the hidden-type hinge window and door includes a window frame 1, a window sash 2, and a hinge 3 for connecting the window frame 1 and the window sash 2, the window sash 2 being fixed to the window frame 1 by the hinge 3 and being openable and closable on the window frame 1.

Referring to fig. 2 and 3, the hinge 3 includes a mounting plate 30, a cantilever 31, a connecting arm 32, a connecting plate 33, and a supporting arm 34; the mounting plate 30 is fixedly connected to the window frame 1; the cantilever 31 is fixedly connected to the bottom of the window sash 2; one end of the connecting arm 32 is rotatably connected with the window sash 2 through a hinge shaft a320, one end of the connecting plate 33 is hinged with the mounting plate 30 through a hinge shaft b330, and the other end of the connecting arm 32 is hinged with one end, far away from the cantilever 31, of the connecting arm through a hinge shaft c 331; one end of the supporting arm 34 is hinged with the mounting plate 30 through a hinge shaft d340, the other end extends to the bottom of the cantilever 31, and one end of the supporting arm 34 far away from the mounting plate 30 is in running fit with the cantilever 31 and can slide along the length direction of the cantilever 31; the connecting arm 32 is hinged to the middle of the supporting arm 34 via a hinge axis e 341. When window sash 2 is opened, connecting plate 33 rotates about hinge axis b330, hinge axis c331 is located between hinge axis b330 and hinge axis d340, and the end of support arm 34 away from mounting plate 30 rotates and slides on cantilever 31; when the window sash 2 is closed, the link plate 33 rotates about the hinge shaft b330, the hinge shaft b330 is positioned between the hinge shaft c331 and the hinge shaft d340, and the mounting plate 30, the cantilever 31, the connecting arm 32, the link plate 33 and the support arm 34 are folded.

Referring to fig. 1 and 2, the window frame 1 is made of hollow aluminum alloy section, and the window sash 2 includes a frame 20 and a glass plate 21 embedded in the middle of the frame 20; the frame 20 is made of hollow aluminum alloy section bars, the window frame 1 and the frame 20 are filled with core layers made of fireproof heat-insulating materials, and the specific core layers can be made of polyurethane; the glass plate 21 can be made of hollow glass, so that the heat insulation performance can be improved; a first sealing groove 10 and a second sealing groove 11 are formed in the inner wall of the window frame 1 in a circle surrounding the window frame 1, so that two steps are formed on the inner wall of the window frame 1, a first blocking edge 200 and a second blocking edge 201 are convexly arranged on the window sash 2, when the window sash 2 is closed, the first blocking edge 200 is attached to the side wall of the first sealing groove 10, and the second blocking edge 201 is attached to the side wall of the second sealing groove 11, so that the sealing performance of the matching part of the window frame 1 and the window sash 2 is improved; rubber pads 23 are fixedly connected at the corners of the steps, so that the first blocking edge 200 is elastically abutted against the side wall of the first sealing groove 10, the second blocking edge 201 is elastically abutted against the side wall of the second sealing groove 11, the sealing performance is improved, meanwhile, the window frame 1 and the window sash 2 can be buffered, and the damage to the window sash 2 caused by overexertion during closing the window is reduced. The mounting plate 30 is disposed in the second seal groove 11.

Referring to fig. 2 and 4, the mounting plate 30 is L-shaped and attached to the bottom surface of the second sealing groove 11, the bottom surface of the second sealing groove 11 is provided with a plurality of first limiting grooves 110, a limiting plate 4 is embedded in the first limiting grooves 110, the mounting plate 30 is provided with a plurality of second limiting grooves 300, one end of the limiting plate 4, away from the first limiting grooves 110, is embedded in the second limiting grooves 300, the mounting plate 30 is screwed with a plurality of screws, and the screws sequentially penetrate through the mounting plate 30 and the limiting plate 4 and are screwed with the window frame 1, so that the mounting plate 30 is fixed on the window frame 1; in order to improve the stability of the mounting plate 30 and enable the mounting plate 30 to be conveniently positioned and mounted, the bottom surface of the second sealing groove 11 is provided with a positioning groove 111 along the extending direction of the second sealing groove 11, two ends of the mounting plate 30 are provided with bends 301, and the bends 301 are matched with the positioning groove 111 and embedded in the positioning groove 111. The department rigid coupling has an installation section of thick bamboo 5 at the border of frame 20 one side, and articulated shaft a320 sets up in the one side that connecting arm 32 kept away from connecting plate 33, and specific articulated shaft a320 can be with connecting arm 32 integrated casting shaping, and articulated shaft a320 pegs graft in installation section of thick bamboo 5 and with installation section of thick bamboo 5 normal running fit.

Referring to fig. 3 and 5, a mounting groove 202 is formed on the bottom surface of the frame 20, the cantilever 31 is adapted to the mounting groove 202 and embedded in the mounting groove 202, and the cantilever 31 and the frame 20 are fixed by bolts; the cantilever 31 is provided with a sliding groove 310 along the length direction of the cantilever 31, one surface of the cantilever 31 facing the mounting groove 202 is provided with a receiving groove 311 along the extending direction of the sliding groove 310, and the receiving groove 311 is communicated with the sliding groove 310 and has a width larger than that of the sliding groove 310; the one end protrusion that mounting panel 30 was kept away from to support arm 34 is provided with the sliding column 6, and sliding column 6 wears to locate in spout 310, and sliding column 6 can slide and can rotate in spout 310, and the one end protrusion that support arm 34 was kept away from to sliding column 6 is provided with spacing ring 60, and spacing ring 60 is located the holding tank 311 and with the holding tank 311 cooperation of sliding, through the limiting action of spacing ring 60, can prevent that sliding column 6 breaks away from in spout 310. In order to improve the damping effect, a rubber ring 61 is sleeved on the sliding column 6 between the cantilever 31 and the supporting arm 34.

In order to improve the stability of the cantilever 31, two opposite side walls of the mounting groove 202 are provided with clamping grooves 203, and the mounting groove 202 and the clamping grooves 203 are arranged in a U shape; one surface of the cantilever 31 facing the mounting groove 202 is provided with a plurality of clamping pieces 7; the blocking member 7 comprises a control rod 70 penetrating through the cantilever 31 and a blocking plate 71 fixedly connected to one end of the control rod 70 facing the mounting groove 202; the control rod 70 is rotatably connected with the cantilever 31, the length of the clamping plate 71 is greater than the width of the mounting groove 202, and when the control rod 70 is rotated, the clamping plate 71 rotates along with the rotation and two ends of the clamping plate are embedded into the clamping grooves 203; in order to improve the flatness, an arc-shaped receding groove 312 is formed in one surface of the cantilever 31 facing the mounting groove 202, and the clamping plate 71 is embedded in the receding groove 312.

In order to limit the window sash 2 and improve the wind resistance, referring to fig. 6 and 7, an opening is formed in the upper end of the mounting cylinder 5, and a positioning piece 8 is arranged in the mounting cylinder 5; the positioning member 8 includes a positioning rod 80, a limit ring 81, and a spring 82; the positioning rod 80 is inserted into the installation barrel 5, the lower end of the positioning rod 80 is abutted to the upper end of the hinge shaft a320, the positioning rod 80 is matched with the installation barrel 5 in a sliding mode, the upper end face of the hinge shaft a320 is provided with a fixing groove 321, the lower end face of the positioning rod 80 is provided with a positioning bulge 800, and after the window sash 2 is opened and rotates to a certain angle, the positioning bulge 800 is embedded in the fixing groove 321, so that the window sash 2 is limited to rotate around the hinge shaft a320, and the window sash 2 is kept stable; a limiting rod 83 is convexly arranged on the periphery of the positioning rod 80, a limiting groove 50 is formed in the inner wall of the mounting barrel 5 along the axial direction of the mounting barrel 5, and the limiting rod 83 is embedded in the limiting groove 50 and is in sliding fit with the limiting groove 50, so that the position of the positioning rod 80 can be limited, and the positioning rod 80 and the mounting barrel 5 can synchronously rotate; the limiting ring 81 is fixedly connected to an opening of one end of the mounting tube 5 away from the hinge shaft a320, specifically, the opening can be connected by threads, and the positioning rod 80 is arranged on the limiting ring 81 in a penetrating manner and is in sliding fit with the limiting ring 81; the spring 82 is sleeved on the positioning rod 80, two ends of the spring are respectively abutted against the limiting rod 83 and the limiting ring 81, and the spring 82 is always in a compressed state; for facilitating the screwing, a pull ring 801 is fixed to one end of the positioning rod 80 away from the hinge axis a 320.

The implementation principle of this application embodiment hidden hinge door and window does: when the window sash 2 is opened, the window sash 2 rotates around the hinge shaft a320, the connecting plate 33 rotates around the hinge shaft b330, the hinge point c moves towards the direction close to the support arm 34, so that the hinge shaft c331 is located between the hinge shaft b330 and the hinge shaft d340, the sliding column 6 slides in the sliding groove 310, meanwhile, along with the change of the angle between the window sash 2 and the window frame 1, the sliding column 6 can rotate along with the hinge point c, the limiting ring 60 can limit the sliding column 6 to prevent the sliding column 6 from being separated from the sliding groove 310, the hinge shaft g is far away from the window frame 1, and the cantilever 31, the connecting arm 32 and the support arm 34 are in an opening state. In the process of opening the window sash 2, the hinge shaft a320 rotates in the installation barrel 5, under the action of the limiting rod 83, the positioning rod 80 and the installation barrel 5 synchronously move, the positioning rod 80 and the hinge shaft a320 relatively rotate, when the window sash 2 is opened to the limit state, the positioning protrusion 800 corresponds to the position of the fixing groove 321, the positioning rod 80 is pushed to move towards the direction of the hinge shaft under the action of the spring 82, the positioning protrusion 800 is embedded into the fixing groove 321, under the action of the positioning protrusion 800 and the fixing groove 321, the limiting rod 83 and the hinge shaft a320 are prevented from relatively rotating, further, the hinge shaft a320 and the installation barrel 5 are prevented from relatively rotating, and the window sash 2 is kept stable.

When needing to close casement 2, orientation deviating from the direction pulling locating lever 80 of articulated shaft, location arch 800 breaks away from fixed slot 321, then close casement 2, casement 2 rotates around articulated shaft a320, connecting plate 33 rotates around articulated shaft b330, pin joint c moves towards the direction of keeping away from support arm 34, thereby make articulated shaft b330 be located between articulated shaft c331 and articulated shaft d340, articulated shaft d340 moves towards window frame 1, articulated shaft g is close to window frame 1, mounting panel 30, cantilever 31, connecting arm 32, connecting plate 33 and support arm 34 are folding, when casement 2 is closed, first fender is followed 200 and the lateral wall of first seal groove 10, second keeps following 201 and the lateral wall elasticity of second seal groove 11 and supports tightly, can also cushion window frame 1 and casement 2 when improving the leakproofness, reduce because of closing the damage of exerting oneself too hard to casement 2 when the window. In conclusion, by arranging the mounting plate 30, the cantilever 31, the connecting arm 32, the connecting plate 33 and the supporting arm 34, the mounting plate 30 is connected with the mounting plate 30 and the connecting arm 32, so that the accumulation of dust or impurities on the hinge 3 is reduced, the opening and closing fluency of the window sash 2 is improved, and the service life of the hinge 3 is prolonged.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a hidden hinge door and window which characterized in that: comprises a window frame (1), a window sash (2) and a hinge (3) for connecting the window frame (1) and the window sash (2); the hinge (3) comprises a mounting plate (30), a cantilever (31), a connecting arm (32), a connecting plate (33) and a supporting arm (34); the mounting plate (30) is fixedly connected to the window frame (1); the cantilever (31) is fixedly connected to the bottom of the window sash (2); one end of the connecting arm (32) is rotatably connected with the cantilever (31) through a hinge shaft a (320), one end of the connecting plate (33) is hinged with the mounting plate (30) through a hinge shaft b (330), and the other end of the connecting arm is hinged with one end, far away from the cantilever (31), of the connecting arm (32) through a hinge shaft c (331); one end of the supporting arm (34) is hinged to the mounting plate (30) through a hinge shaft d (340), the other end of the supporting arm extends to the bottom of the cantilever (31), and one end, far away from the mounting plate (30), of the supporting arm (34) is in running fit with the cantilever (31) and can slide along the length direction of the cantilever (31); the connecting arm (32) is hinged with the middle part of the supporting arm (34) through a hinge shaft e (341).

2. The hidden-type hinge door and window of claim 1, wherein: the length direction of following cantilever (31) on cantilever (31) is provided with spout (310), the one end protrusion that mounting panel (30) were kept away from in support arm (34) is provided with slip post (6), during spout (310) was worn to locate in slip post (6), slip post (6) and spout (310) slide the cooperation and can rotate at spout (310), the one end protrusion that support arm (34) were kept away from in slip post (6) is provided with spacing ring (60), the diameter of spacing ring (60) is greater than the width of spout (310).

3. The hidden-type hinge door and window of claim 2, wherein: the window sash (2) is provided with an installation groove (202), and the cantilever (31) is embedded in the installation groove (202) and fixedly connected with the window sash (2) through a bolt.

4. The hidden-type hinge door/window of claim 3, wherein: clamping grooves (203) are formed in two opposite side walls of the mounting groove (202), and the mounting groove (202) and the clamping grooves (203) are arranged in a U shape; a plurality of clamping pieces (7) are arranged on one surface of the cantilever (31) facing the mounting groove (202); the clamping piece (7) comprises a control rod (70) arranged on the cantilever (31) in a penetrating mode and a clamping plate (71) fixedly connected to one end, facing the installation groove (202), of the control rod (70); the control rod (70) is rotatably connected with the cantilever (31), and when the control rod (70) is rotated, two ends of the clamping plate (71) are located in the clamping grooves (203).

5. The hidden-type hinge door and window of claim 1, wherein: be provided with a plurality of first spacing grooves (110) on window frame (1), inlay in first spacing groove (110) and be equipped with limiting plate (4), be provided with second spacing groove (300) on mounting panel (30), the one end that first spacing groove (110) were kept away from in limiting plate (4) inlays and locates second spacing groove (300), the spiro union has the screw on mounting panel (30), the screw pass mounting panel (30) and limiting plate (4) in proper order and with window frame (1) spiro union.

6. The hidden-type hinge door/window of claim 5, wherein: be provided with constant head tank (111) on window frame (1), the both ends of mounting panel (30) are provided with bend (301), bend (301) and constant head tank (111) adaptation and inlay and locate in constant head tank (111).

7. The hidden-type hinge door/window of claim 3, wherein: an installation barrel (5) is fixedly connected to the frame (20), an articulated shaft a (320) is arranged on one side, away from the connecting plate (33), of the connecting arm (32), and the articulated shaft a (320) is inserted into the installation barrel (5) and is in running fit with the installation barrel (5).

8. The hidden-hinge door/window of claim 7, wherein: an opening is arranged at the upper end of the mounting cylinder (5), and a positioning piece (8) is arranged in the mounting cylinder (5); the positioning piece (8) comprises a positioning rod (80) which is inserted into the mounting barrel (5) in an inserted mode, the lower end of the positioning rod is abutted to the upper end of the hinge shaft a (320), the positioning rod (80) is matched with the mounting barrel (5) in a sliding mode, a limiting rod (83) is arranged on the periphery of the positioning rod (80) in a protruding mode, a limiting groove (50) is formed in the inner wall of the mounting barrel (5) along the axis of the mounting barrel (5), and the limiting rod (83) is located in the limiting groove (50) and is matched with the limiting groove (50) in a sliding mode; the hinge shaft a (320) is provided with a fixing groove (321) on the upper end face, the positioning rod (80) is provided with a positioning bulge (800) on the lower end face, and when the window sash (2) is opened, the positioning bulge (800) is embedded in the fixing groove (321).

9. The hidden-hinge door/window of claim 8, wherein: the positioning piece (8) further comprises a spring (82), the elastic force direction of the spring (82) is parallel to the sliding direction of positioning, and under the action of the spring (82), the positioning rod (80) is elastically abutted to the hinge shaft a (320).

10. The hidden-type hinge door and window of claim 1, wherein: the positioning piece (8) further comprises a limiting ring (60) fixedly connected to an opening at one end of the mounting barrel (5) far away from the hinge shaft a (320), and the positioning rod (80) penetrates through the limiting ring (81) and is in sliding fit with the limiting ring (81); the spring (82) is sleeved on the positioning rod (80), two ends of the spring are respectively abutted against the limiting rod (83) and the limiting ring (81), and the spring (82) is always in a compressed state.