Tilt-inward hinge

Abstract

Disclosed in the present invention is a tilt-inward hinge, comprising a window frame connector, a hinge rod assembly, a window sash connector, a long rocker arm, a transmission assembly and a bolt assembly, wherein the window frame connector comprises a horizontal frame mounting plate and a vertical frame mounting plate, the horizontal frame mounting plate being fixed on a horizontal window frame, and the vertical frame mounting plate being fixed on a vertical window frame; the hinge rod assembly is hinged to the horizontal frame mounting plate; the bolt assembly comprises a bolt seat and a bolt head, the bolt seat being slidably arranged on the vertical frame mounting plate, and the bolt head being arranged at an end of the transmission assembly; an adjustment assembly is provided between the vertical frame mounting plate and the bolt seat; and a manipulative portion is provided at the end of the adjustment assembly facing an indoor side or / and an outdoor side. The present invention can adjust the tightness of the sealing performance when a window sash is closed, and is convenient to operate.

Description

Inwardly-inverted hinge TECHNICAL FIELD

[0001] The present application relates to the technical field of doors and windows, in particular to an inwardly-inverted hinge. BACKGROUND

[0002] The inwardly-inverted hinge applied to a window can realize inwardly-inverted opening of a sash, and a user can select a window opening mode according to actual conditions. Compared with a conventional inwardly-inverted hinge, the hinge with the function of inwardly-inverted opening has a complex structure, a long rocker arm, a transmission assembly and other parts. In order to improve the sealing performance of the sash when the sash is closed and avoid water leakage or shaking, a sealing adjustment assembly is generally arranged on the conventional inwardly-inverted hinge to change the sealing tightness of the sash by adjusting the position of a window frame mounting plate. However, the sealing adjustment function is lacking in the prior art for the hinge with the function of inwardly-inverted opening, and the hinge is prone to shaking due to the relatively complex structure and insufficient sealing performance. Therefore, it is necessary to provide an inwardly-inverted hinge with a sealing adjustment function. SUMMARY

[0003] In order to overcome the above-mentioned shortcomings of the prior art, the purpose of the present application is to provide an inwardly-inverted hinge with a sealing adjustment function, which can adjust the sealing tightness of a sash when the sash is closed and is convenient to operate.

[0004] In order to solve the above-mentioned problems, the present application adopts the following scheme:

[0005] An inwardly-inverted hinge, comprising a window frame connecting piece, a hinge rod assembly, a sash connecting piece, a long rocker arm, a transmission assembly and a bolt assembly; wherein,

[0006] The window frame connecting piece is fixedly arranged on a window frame, and the sash connecting piece is connected with a sash; the hinge rod assembly is hingedly connected with the window frame connecting piece and the long rocker arm, and the long rocker arm is hingedly connected with the sash connecting piece; the transmission assembly controls the switching of inwardly-inverted opening and inwardly-inverted suspension opening of the window by moving along the width direction of the sash;

[0007] The window frame connecting piece comprises a horizontal frame mounting plate and a vertical frame mounting plate, the horizontal frame mounting plate is fixed on a horizontal window frame, and the vertical frame mounting plate is fixed on a vertical window frame; the hinge rod assembly is hingedly connected with the horizontal frame mounting plate;

[0008] The bolt assembly comprises a bolt seat and a bolt head; the bolt seat is slidably arranged on the vertical frame mounting plate, and the bolt head is arranged at the end of the transmission assembly; in a sash locking state, the transmission assembly drives the bolt head to be inserted into a bolt hole of the bolt seat;

[0009] The vertical frame mounting plate and the latch seat are provided with an adjusting assembly for changing the transverse position of the latch seat; the end of the adjusting assembly towards the indoor side or / and the outdoor side is provided with a control part for cooperating with a tool. As a further improvement of the present application, the adjusting assembly comprises an adjusting screw; the vertical frame mounting plate is provided with a threaded half-hole extending in the transverse direction; the side of the latch seat towards the vertical frame mounting plate is provided with a receiving cavity opposite to the threaded half-hole; part of the adjusting screw is located in the threaded half-hole and threadedly cooperates, and the other part of the adjusting screw is located in the receiving cavity.

[0010] As a further improvement of the present application, the two ends of the adjusting screw abut against the two end faces of the receiving cavity.

[0011] As a further improvement of the present application, the upper and lower sides of the threaded half-hole are provided with protruding parts forming a guide groove structure with the main body of the vertical frame mounting plate;

[0012] The latch seat is provided with a protruding structure matching the guide groove structure, and the protruding structure is located in the guide groove structure to guide the transverse movement of the latch seat.

[0013] As a further improvement of the present application, the vertical frame mounting plate is further provided with an auxiliary groove above the threaded half-hole; the latch seat is provided with an auxiliary protruding block embedded in the auxiliary groove, and the auxiliary protruding block is inclinedly matched with the side of the auxiliary groove away from the main body of the vertical frame mounting plate.

[0014] As a further improvement of the present application, the hinge rod assembly is provided with a blocking part which is part of one of the connecting rods of the hinge rod assembly.

[0015] Further comprising a control member; one end of the control member is connected with the transmission assembly, and the other end extends towards the long swing arm; the long swing arm is provided with an avoidance slot for avoiding and allowing the control member to pass through;

[0016] During the locking of the window, the transmission assembly drives the control member to move along the width direction of the sash, and the control member passes through the avoidance slot and moves to the side of the blocking part close to the avoidance slot.

[0017] As a further improvement of the present application, the long swing arm comprises a first arm and a second arm, the connection between the first arm and the second arm is bent connection, and the avoidance slot is arranged at the bent connection of the first arm and the second arm and extends on the second arm in the length direction of the long swing arm.

[0018] The hinge rod assembly is hinged with the second arm; and the sash connecting piece is hinged with the first arm.

[0019] As a further improvement of the present application, the hinge rod assembly comprises a first connecting rod, a second connecting rod and a third connecting rod; the first end of the first connecting rod is hinged with the transom mounting plate, and the second end of the first connecting rod is hinged with the long rocker arm; a sliding groove and a sliding block are arranged on the transom mounting plate; the first end of the second connecting rod is fastened with the sliding block through a first connecting piece, and the first end of the second connecting rod is hinged with the first connecting piece; the second end of the second connecting rod is hinged with the first end of the third connecting rod; the second end of the third connecting rod is hinged with the long rocker arm; and the middle parts of the first connecting rod and the second connecting rod are hinged with each other.

[0020] The blocking part is arranged at the first end of the first connecting rod; one end of the blocking part is connected with the first end of the first connecting rod, and the other end of the blocking part extends towards the sash connecting piece; and the blocking part is staggered with the hinge point of the first connecting rod and the transom mounting plate; in the sash closed state, the blocking part is located at one side of the avoidance groove close to the opening side.

[0021] As a further improvement of the present application, the control piece comprises a connecting section and an eccentric section; the connecting section is connected with the transmission assembly; the eccentric section is arranged at the end of the connecting section away from the transmission assembly; and the eccentric section is arranged eccentrically with the connecting section.

[0022] As a further improvement of the present application, the sash connecting piece comprises a pull rod seat and a connecting seat; the pull rod seat is hinged with the long rocker arm; the connecting seat is connected with one end of the pull rod seat; and the connecting seat is connected with the sash.

[0023] The end of the pull rod seat is provided with an anti-shaking protrusion; the connecting seat is provided with an assembly groove; and the anti-shaking protrusion is matched arranged in the assembly groove. BRIEF DESCRIPTION OF DRAWINGS

[0024] Fig. 1 is a schematic view of the anti-shaking hinge, the window frame and the sash of the present application (in the flat opening state).

[0025] Fig. 2 is a perspective view of the anti-shaking hinge of the present application (in the flat opening state).

[0026] Fig. 3 is an exploded perspective view of Fig. 2.

[0027] Fig. 4 is a front view of the anti-shaking hinge of the present application (in the hinge closed state and the control piece not entering the guide groove).

[0028] Fig. 5 is a sectional view of A-A in Fig. 4 (before the locking state).

[0029] Fig. 6 is a sectional view of A-A in Fig. 4 (the control member is located in the guide groove during the locking process).

[0030] Fig. 7 is a sectional view of A-A in Fig. 4 (the locking state, the control member abuts against the blocking part).

[0031] Fig. 8 is a perspective view of the stile mounting plate and the latch assembly.

[0032] Fig. 9 is an exploded view of Fig. 8.

[0033] Fig. 10 is a perspective view of the stile mounting plate, the adjusting screw and the latch seat.

[0034] 1-window frame connecting piece, 101-horizontal frame mounting plate, 1011-sliding groove, 1012-hook part, 1013-clamping groove part, 102-stile mounting plate, 1021-threaded half hole, 1022-guide groove structure, 1023-assistant groove, 1024-avoidance hole, 1025-insertion part; 2-long rocker arm, 201-first arm, 202-second arm, 203-avoidance slot; 3-sash connecting piece, 301-connecting seat, 3011-fitting recess, 302-pull rod seat, 3021-anti-shaking protrusion; 4-transmission assembly; 5-hinge rod assembly, 501-first connecting rod, 5011-blocking part, 502-second connecting rod, 503-third connecting rod; 6-sliding block; 7-first connecting piece; 8-latch assembly, 801-latch seat, 8011-latch hole, 8012-receiving cavity, 8013-protrusion structure, 8014-assistant protrusion, 8015-matching block, 802-latch head; 9-guide block, 901-guide inclined surface; 10-guide groove; 11-vertical connecting screw; 12-horizontal connecting screw; 13-control member, 1301-connecting section, 1302- eccentric section; 14-short pull rod; 15-adjusting screw, 1501-tool hole; 16-gasket. DETAILED DESCRIPTION

[0035] The preferred embodiments of the present application will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to explain and illustrate the present application, and are not used to limit the present application.

[0036] Referring to FIG. 1-10, the embodiment discloses an inner reverse hinge, which can be applied to both inner and outer flat open hinges. The following content takes the upper hinge applied to the inner flat open inner reverse window as an example. As shown in FIG. 2, FIG. 5-7, the opening side in the figure is the side where the sash is opened, that is, the indoor side; the closing side in the figure is the side where the sash is closed, that is, the outdoor side. The anti-shaking hinge comprises a frame connecting piece 1, a hinge rod assembly 5, a sash connecting piece 3, a long rocker arm 2, a control piece 13 and a transmission assembly 4. The frame connecting piece 1 is fixedly arranged on the window frame, and the sash connecting piece 3 is connected with the sash. The frame connecting piece 1 of the embodiment comprises a horizontal frame mounting plate 101 and a vertical frame mounting plate 102, the horizontal frame mounting plate 101 is fixed on the horizontal window frame, and the vertical frame mounting plate 102 is fixed on the vertical window frame; the hinge rod assembly 5 is hinged with the horizontal frame mounting plate 101. The hinge rod assembly 5 is hinged with the frame connecting piece 1 and the long rocker arm 2 close to the end of the vertical frame mounting plate 102, and the end of the long rocker arm 2 away from the vertical frame mounting plate 102 is hinged with the sash connecting piece 3; the transmission assembly 4 controls the switching of flat opening and overhang opening of the window by moving along the width direction of the sash.

[0037] Referring to FIG. 1-3, the hinge rod assembly 5 of the embodiment comprises a first connecting rod 501, a second connecting rod 502 and a third connecting rod 503. The first end of the first connecting rod 501 is hinged with the horizontal frame mounting plate 101, and the second end of the first connecting rod 501 is hinged with the long rocker arm 2. The horizontal frame mounting plate 101 is provided with a sliding groove 1011 and a sliding block 6, the first end of the second connecting rod 502 is tightly connected with the sliding block 6 through a first connecting piece 7, the first connecting piece 7 can adopt a rivet, and the first end of the second connecting rod 502 is hinged with the first connecting piece 7, the second end of the second connecting rod 502 is hinged with the first end of the third connecting rod 503; the second end of the third connecting rod 503 is hinged with the long rocker arm 2; the middle parts of the first connecting rod 501 and the second connecting rod 502 are hinged with each other.

[0038] The main improvement point of the embodiment is that the first end of the first connecting rod 501 is provided with a blocking part 5011. Moreover, one end of the control piece 13 is connected with the transmission assembly 4, and the other end extends towards the long rocker arm 2; the long rocker arm 2 is provided with an emptying groove 203 for avoiding and allowing the control piece 13 to pass out. During the locking of the window, the transmission assembly 4 drives the control piece 13 to move along the width direction of the sash, the control piece 13 passes out of the emptying groove 203 and moves to the side close to the emptying groove 203 of the blocking part 5011.

[0039] The long swing arm 2 of the embodiment comprises a first arm 201 and a second arm 202, the connection between the first arm 201 and the second arm 202 is bent, and the avoidance slot 203 is arranged at the bent connection between the first arm 201 and the second arm 202, and the avoidance slot extends on the second arm in the length direction of the long swing arm. The hinge rod assembly 5 is hinged with the second arm 202; the sash connecting piece 3 is hinged with the first arm 201. Specifically, as shown in FIG. 3, the long swing arm 2 of the embodiment can be divided into two sections, the first arm 201 and the second arm 202, and the connection between the two ends of the swing arm is a bent structure, which is convenient for cooperating with the sash connecting piece 3 and the hinge rod assembly 5, and especially in the closed window state, the structure between the hinge rod assembly 5, the long swing arm 2, the transmission assembly 4 and the sash connecting piece 3 is more compact and reliable. Moreover, since the avoidance slot 203 of the embodiment is arranged at the bent connection between the first arm 201 and the second arm 202, the cooperation between the avoidance slot 203 and the control piece 13 can realize the switching of the opening mode of the window and the control of the locking and unlocking, which can be referred to in the prior art.

[0040] Further, one side of the long swing arm 2 towards the transmission assembly 4 is provided with two guide blocks 9, the two guide blocks 9 are oppositely arranged and a guide slot 10 is left between the two guide blocks 9; the guide slot 10 corresponds to the avoidance slot 203; one side of the two guide blocks 9 towards the guide slot 10 is provided with a guide inclined surface 901. Specifically, the two guide blocks 9 in the embodiment are fixedly locked on the first arm 201 of the long swing arm 2, and the guide inclined surface 901 on the two guide blocks 9 is conducive to guiding the control piece 13 to enter the guide slot 10, so as to reach the avoidance slot 203 under the further guidance of the guide slot 10, which is conducive to improving the accuracy of the control piece 13 when moving with the transmission assembly 4, so that the control piece 13 can smoothly pass through the avoidance slot 203 during the window closing and locking process, and reach the position cooperating with the blocking part 5011, so as to form a blocking effect and achieve the anti-shaking effect.

[0041] Regarding the blocking part 5011 of the embodiment, one end of the blocking part 5011 is connected with the first end of the first connecting rod 501, and the other end extends towards the sash connecting piece 3. Moreover, the blocking part 5011 is staggered with the hinge point of the first connecting rod 501 and the horizontal frame mounting plate 101; in the sash closed state, the blocking part 5011 is located at one side of the avoidance slot 203 close to the opening side. Referring to FIG. 3, FIG. 5-FIG. 7, the blocking part 5011 is part of the first connecting rod 501, which is an extension structure. When the control piece 13 passes out of the avoidance slot 203 and moves to the inner side of the blocking part 5011, the blocking part 5011 and the control piece 13 block each other, and the second end of the first connecting rod 501 is hinged with the long swing arm 2, so that the first connecting rod 501 cannot rotate, that is, the horizontal shaking of the hinge rod assembly 5 is limited, and the long swing arm 2 and the transmission assembly 4 are also limited by the first connecting rod 501, and the horizontal shaking of the long swing arm 2 is also limited.

[0042] Referring to FIG. 3, the control member 13 of the embodiment is substantially cylindrical, and includes a connecting section 1301 and an eccentric section 1302. The connecting section 1301 is connected to the transmission assembly 4, and the eccentric section 1302 is arranged at an end of the connecting section 1301 away from the transmission assembly 4, and the eccentric section 1302 is arranged eccentrically with the connecting section 1301. The control member 13 is arranged in an eccentric structure, so that the degree of compression between the eccentric section 1302 and the blocking part 5011 can be changed by rotating the control member 13, so that the locking and sealing of the hinge can be adjusted, and the hand feeling when rotating the handle can also be adjusted, so that the hand feeling is better, and the user experience is improved. Further, in order to facilitate the rotation of the control member 13, a special-shaped hole is arranged at an end of the eccentric section 1302, for example, an internal hexagonal counterbore, so that the control member 13 can be rotated by a tool, thereby achieving adjustment.

[0043] The sash connecting member 3 of the embodiment includes a pull rod seat 302 and a connecting seat 301. The pull rod seat 302 is hingedly connected to the long rocker arm 2, and the connecting seat 301 is connected to one end of the pull rod seat 302, and the connecting seat 301 is connected to the sash.

[0044] In order to further improve the anti-shaking effect of the entire hinge, the end of the pull rod seat 302 is provided with an anti-shaking protrusion 3021, and the connecting seat 301 is provided with an assembly groove 3011, and the anti-shaking protrusion 3021 is matched and arranged in the assembly groove 3011. In the embodiment, the anti-shaking protrusion 3021 extends and protrudes along the width direction of the sash, and the side of the assembly groove 3011 facing the anti-shaking protrusion 3021 is provided with an opening, and the two are assembled by cooperation, so that the pull rod seat 302 can be limited to shake in the transverse direction, thereby improving the stability and reliability of the entire hinge.

[0045] Further, the connecting seat 301 of the embodiment is connected to the sash by a vertical connecting screw 11. The pull rod seat 302 is connected to the connecting seat 301 by a horizontal connecting screw 12, and the horizontal connecting screw 12 can adjust the distance between the connecting seat 301 and the pull rod seat 302. In addition, the pull rod seat 302 and the long rocker arm 2 are also provided with a short pull rod 14, one end of the short pull rod 14 is hingedly connected to the pull rod seat 302, and the other end of the short pull rod 14 is hingedly connected to the long rocker arm 2; at the same time, the long rocker arm 2 is also hingedly connected to the pull rod seat 302, and the pull rod seat 302 is provided with a sliding groove for the sliding of the hinged point of the long rocker arm 2.

[0046] The other structures and working principles of the hinge rod assembly 5, the long rocker arm 2, the pull rod seat 302 and the connecting seat 301 of the embodiment can be referred to the prior art.

[0047] In addition, the hinge of the embodiment is also provided with a latch assembly 8; the sealing of the hinge is improved by the latch assembly 8, and the latch assembly 8 of the embodiment also includes an adjusting function, which can adjust the tightness when the sash is closed, and is also a sealing adjustment of the sash.

[0048] Referring to FIG. 3, FIG. 8-10, specifically, the bolt assembly 8 comprises a bolt seat 801 and a bolt head 802; the bolt seat 801 is arranged on the mullion mounting plate 102, and the bolt head 802 is arranged at the end of the transmission assembly 4; in the window sash locked state, the transmission assembly 4 drives the bolt head 802 to insert into the bolt hole 8011 of the bolt seat 801.

[0049] The mullion mounting plate 102 is provided with an adjusting assembly for adjusting the transverse position of the bolt seat 801. The adjusting assembly comprises an adjusting screw 15; the mullion mounting plate 102 is provided with a threaded half-hole 1021 extending in the transverse direction; the bolt seat 801 is slidably arranged on the mullion mounting plate 102, and one side of the bolt seat 801 facing the mullion mounting plate 102 is provided with a receiving cavity 8012 opposite to the threaded half-hole 1021; part of the adjusting screw 15 is located in the threaded half-hole 1021 and threadedly cooperates, and the other part of the adjusting screw 15 is located in the receiving cavity 8012.

[0050] By rotating the adjusting screw 15, the adjusting screw 15 cooperates with the threaded half-hole 1021 to cause the adjusting screw 15 to move in the transverse direction, and at the same time, part of the adjusting screw 15 is located in the receiving cavity 8012, so that the end of the adjusting screw 15 drives the bolt seat 801 to move together against the end face of the receiving cavity 8012. By adjusting the transverse position of the bolt seat 801, the tightness and sealing degree of the window sash in the locked state can be changed. Since the adjusting screw 15 of the embodiment is located on the mullion mounting plate 102, i.e., on one side of the window frame, it is convenient to operate and has excellent convenience.

[0051] Both ends of the adjusting screw 15 of the embodiment are provided with control portions, which are specifically non-circular tool holes 1501, which are preferably internal hexagonal counterbores, and a conventional hexagonal wrench can be used to control the rotation of the adjusting screw 15 to realize the threaded cooperation with the threaded half-hole 1021; in addition, the control portion can also adopt other forms, such as a cross slot, so that a conventional screwdriver can be used to rotate and operate the adjusting screw 15. In the embodiment, the control portions are provided at both ends of the adjusting screw 15, i.e., the ends of the adjusting screw 15 facing the indoor side and the outdoor side can be rotated and controlled by tools, which can control the adjusting screw 15 from the indoor side or the outdoor side, facilitating the adjustment operation; on the other hand, it can be applicable to the assembly mode of left- and right-opening windows without disassembling the parts, which is conducive to improving the assembly efficiency and adaptability of the hinge.

[0052] Further, the two ends of the adjusting screw 15 of the embodiment abut against the two end faces of the receiving cavity 8012, thereby facilitating the avoidance of the transverse movement of the bolt seat 801 relative to the adjusting screw 15.

[0053] The upper and lower sides of the threaded half-hole 1021 are provided with protruding parts, which form a guide groove structure 1022 with the main body of the vertical frame mounting plate 102. The plug-in seat 801 is provided with a protruding structure 8013 that matches the guide groove structure 1022, and the protruding structure 8013 is located in the guide groove structure 1022 to guide the lateral movement of the plug-in seat 801. At the same time, the vertical frame mounting plate 102 of the embodiment is also provided with an auxiliary groove 1023 above the threaded half-hole 1021; the plug-in seat 801 is provided with an auxiliary protruding block 8014 that is embedded in the auxiliary groove 1023, and the auxiliary protruding block 8014 is in inclined cooperation with the side of the auxiliary groove 1023 away from the main body of the vertical frame mounting plate 102.

[0054] Further, the plug-in seat 801 is provided with a matching block 8015 protruding towards the vertical frame mounting plate 102, and the plug-in hole 8011 is arranged on the matching block 8015, and the upper and lower sides of the matching block 8015 are respectively the auxiliary protruding block 8014 and the protruding structure 8013. The vertical frame mounting plate 102 is provided with an avoiding hole 1024 corresponding to the plug-in hole 8011, and the avoiding hole 1024 is located between the auxiliary groove 1023 and the threaded half-hole 1021. The cooperation of the guide groove structure 1022 and the protruding part can prevent the plug-in seat 801 from coming out, realize the assembly of the plug-in seat 801 and the vertical frame mounting plate 102, and guide the movement of the plug-in seat 801. In addition, the cooperation of the auxiliary groove 1023 and the auxiliary protruding block 8014, especially the use of the inclined surface structure, is conducive to facilitating the assembly and cooperation of the plug-in seat 801 and the vertical frame mounting plate 102, and also has a guiding effect. Further, the guide groove structure 1022 and the auxiliary groove 1023 of the embodiment are respectively arranged at the two ends in the upward and downward directions of the plug-in hole 8011, so that the stress of the plug-in seat 801 is more balanced, and the situation that the plug-in seat 801 tilts or swings after being stressed can be effectively avoided.

[0055] The upper end of the vertical frame mounting plate 102 of the embodiment is provided with an upward protruding insertion part 1025; the end part of the horizontal frame mounting plate 101 close to the vertical frame mounting plate 102 is provided with a clamping groove part 1013 and a hook part 1012, and the clamping groove part 1013 is located on the outdoor side of the hook part 1012; in the assembled state, the insertion part 1025 protrudes into the groove of the horizontal window frame and is inserted into the clamping groove part 1013. When installing the hinge, the vertical frame mounting plate 102 can be pushed upward, so that the insertion part 1025 is located in the groove of the horizontal window frame and is inserted into the clamping groove part 1013, thereby blocking the horizontal frame mounting from coming out of the slot of the horizontal window frame, and the limiting of the insertion part 1025 and the hook part 1012 can further improve the reliability of the horizontal frame mounting plate 101.

[0056] The vertical frame mounting plate 102 of the embodiment is provided with a rotatable clamping piece 16 located on the side of the vertical frame mounting plate 102 away from the vertical window frame. Specifically, the clamping piece 16 of the embodiment is riveted to the vertical frame mounting plate 102, and the clamping piece 16 can be rotated to clamp or release the vertical window frame, thereby facilitating the disassembly and assembly of the vertical frame mounting plate 102 and the vertical window frame.

[0057] To further improve the stability of the vertical frame mounting plate 102, the vertical frame mounting plate 102 can also be locked by a fixing screw. The fixing screw can pass through the clamping piece 16 and be locked with the window frame profile.

[0058] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Any modification, equivalent change and modification of the above embodiment based on the technical essence of the present application, without departing from the technical solution content of the present application, still belongs to the scope of the technical solution of the present application.

Claims

1. An inwardly-inverted hinge, characterized in that, The window frame connecting piece, the hinge rod assembly, the sash connecting piece, the long rocker, the transmission assembly and the bolt assembly are included. The window frame connecting piece is fixedly arranged on the window frame, the sash connecting piece is connected with the sash, the hinge rod assembly is hingedly connected with the window frame connecting piece and the long rocker, the long rocker is hingedly connected with the sash connecting piece, and the transmission assembly controls the switching of the flat opening and the suspended opening of the window by moving along the width direction of the sash. The window frame connecting piece includes a horizontal frame mounting plate and a vertical frame mounting plate, the horizontal frame mounting plate is fixed on the horizontal window frame, and the vertical frame mounting plate is fixed on the vertical window frame. The bolt assembly includes a bolt seat and a bolt head, the bolt seat is slidably arranged on the vertical frame mounting plate, and the bolt head is arranged at the end of the transmission assembly; in the locked state of the sash, the transmission assembly drives the bolt head to be inserted into the bolt hole of the bolt seat. An adjusting assembly for changing the horizontal position of the bolt seat is arranged between the vertical frame mounting plate and the bolt seat, and the end of the adjusting assembly towards the indoor side or / and the outdoor side is provided with a control part for cooperating with a tool.

2. The inner swing hinge according to claim 1, wherein The adjusting assembly includes an adjusting screw, the vertical frame mounting plate is provided with a threaded half-hole extending along the horizontal direction, one side of the bolt seat towards the vertical frame mounting plate is provided with a receiving cavity opposite to the threaded half-hole, and part of the adjusting screw is located in the threaded half-hole in threaded cooperation, and the other part of the adjusting screw is located in the receiving cavity.

3. The inner swing hinge of claim 2, wherein, The two ends of the adjusting screw abut against the two end faces of the receiving cavity.

4. The inwardly-inverted hinge of claim 2 or 3, wherein, The upper and lower sides of the threaded half-hole are provided with protruding parts forming a guide groove structure with the main body of the vertical frame mounting plate. The bolt seat is provided with a protruding structure matched with the guide groove structure, and the protruding structure is located in the guide groove structure to realize the horizontal movement guidance of the bolt seat.

5. The inner swing hinge of claim 4, wherein, The vertical frame mounting plate is further provided with an auxiliary groove above the threaded half-hole, and the bolt seat is provided with an auxiliary protruding block embedded in the auxiliary groove and inclinedly matched with the side of the auxiliary groove away from the main body of the vertical frame mounting plate.

6. The inner swing hinge according to any one of claims 1-3, wherein, The hinge rod assembly is provided with a blocking part which is part of one connecting rod of the hinge rod assembly. The control piece is connected with the transmission assembly at one end and extends towards the long rocker at the other end, the long rocker is provided with an avoiding slot for avoiding and allowing the control piece to pass through, and the transmission assembly drives the control piece to move along the width direction of the sash, the control piece passes through the avoiding slot and moves to the side of the blocking part close to the avoiding slot during the locking process of the window. The long rocker includes a first arm and a second arm, the first arm and the second arm are connected by bending, and the avoiding slot is arranged at the bending connection of the first arm and the second arm and extends on the second arm along the length direction of the long rocker.

7. The inner swing hinge of claim 6, wherein, The hinge rod assembly is hingedly connected with the second arm, and the sash connecting piece is hingedly connected with the first arm. ​ 8. The inner swing hinge of claim 6, wherein, The hinge rod assembly comprises a first connecting rod, a second connecting rod and a third connecting rod; a first end of the first connecting rod is hingedly connected to the horizontal frame mounting plate, and a second end of the first connecting rod is hingedly connected to the long rocker arm; a sliding groove and a sliding block are arranged on the horizontal frame mounting plate; a first end of the second connecting rod is fastened to the sliding block through a first connecting piece, and the first end of the second connecting rod is hingedly connected to the first connecting piece; a second end of the second connecting rod is hingedly connected to a first end of the third connecting rod; a second end of the third connecting rod is hingedly connected to the long rocker arm; and a middle part of the first connecting rod and a middle part of the second connecting rod are hingedly connected to each other. The blocking part is arranged at the first end of the first connecting rod; one end of the blocking part is connected to the first end of the first connecting rod, and the other end of the blocking part extends towards the direction close to the sash connecting piece; the blocking part is staggered with the hinged point of the first connecting rod and the horizontal frame mounting plate; and in the sash closed state, the blocking part is located at one side of the avoidance groove close to the opening side.

9. The inner swing hinge of claim 6, wherein, The control member comprises a connecting section and an eccentric section; the connecting section is connected to the transmission assembly; the eccentric section is arranged at one end of the connecting section away from the transmission assembly; and the eccentric section is eccentrically arranged with the connecting section.

10. The inner swing hinge of claim 6, wherein, The sash connecting piece comprises a pull rod seat and a connecting seat; the pull rod seat is hingedly connected to the long rocker arm; the connecting seat is connected to one end of the pull rod seat; and the connecting seat is connected to the sash; An anti-shaking protrusion is arranged at the end of the pull rod seat; an assembly groove is arranged on the connecting seat; and the anti-shaking protrusion is matched arranged in the assembly groove.

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