CN212583484U - Hidden hinge and door system - Google Patents

Abstract

The utility model discloses a hidden hinge and a door system with the same, wherein the hidden hinge comprises a first mounting base component, a second mounting base component, a link mechanism and a positioning mechanism; the connecting rod mechanism is respectively connected with the first mounting seat assembly and the second mounting seat assembly in a rotating way and can enable the first mounting seat assembly and the second mounting seat assembly to be opened and closed in a relatively rotating way; positioning mechanism includes moving member and rotation piece, the moving member slidable sets up on first mount pad subassembly and is connected with link mechanism, be equipped with first spout on the moving member and be located the joint position on first spout, the rotatable setting of rotation piece is on first mount pad subassembly and its expansion end is equipped with the activity and inserts the location portion of locating first spout, link mechanism can open and shut the drive moving member through the relative rotation between first mount pad subassembly and the second mount pad subassembly and remove, so that location portion can remove in first spout, and can the joint in the joint position or break away from in the joint position. The utility model discloses can make things convenient for the location after the door leaf is opened fixed.

Description

Hidden hinge and door system

Technical Field

The utility model relates to a door and window system field, in particular to hide formula hinge and door system.

Background

Existing door systems typically include a leaf, a frame, and a hinge for connecting the leaf to the frame so that the leaf can be rotated open or closed relative to the frame. In order to ensure the fixed positioning after the door leaf is opened, the door leaf is generally provided with a door stopper, the door stopper is a device for sucking and positioning after the door leaf is opened so as to prevent the door leaf from being blown or touched to close, the door stopper generally comprises a suction head and a suction seat, the suction seat is installed on the door leaf according to the required angle for fixing the opening of the door leaf, and the suction head is installed at the corresponding position on the wall, so that when the door leaf is opened, the suction seat on the door leaf can be sucked with the suction head on the wall, and the fixed positioning after the door leaf is opened is realized. Although the door stopper can fix the opening angle and position of the door leaf, the door stopper is inconvenient to install, the door stopper cannot well fix the door leaf due to the deviation of the installation positions of the suction head and the suction seat, and after the door stopper is used for a long time, the suction head and the suction seat are easily damaged due to collision or abrasion and the like, the door stopper is troublesome to install again, and the attractive surface of the door leaf and a wall body is also influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a hide formula hinge, it can make things convenient for the location after the door leaf is opened fixed, avoids needing to install the trouble that the fixed door leaf of door stopper location opened the position.

The utility model discloses still provide a door system of having this formula hinge of hiding.

The concealed hinge according to the first aspect of the present invention includes a first mounting base assembly, a second mounting base assembly, a link mechanism, and a positioning mechanism; one of the first mounting seat assembly and the second mounting seat assembly is used for being connected with a door leaf, and the other mounting seat assembly is used for being connected with a door frame; the link mechanism is respectively connected with the first mounting seat assembly and the second mounting seat assembly in a rotating way and can enable the first mounting seat assembly and the second mounting seat assembly to be opened and closed in a relatively rotating way; the positioning mechanism comprises a moving piece and a rotating piece, the moving piece is slidably arranged on the first mounting seat assembly and connected with the connecting rod mechanism, a first sliding groove and a clamping position located on the first sliding groove are formed in the moving piece, the rotating piece is rotatably arranged on the first mounting seat assembly, a movable end of the rotating piece is provided with a positioning portion movably inserted in the first sliding groove, and the connecting rod mechanism can drive the moving piece to move relative to the first mounting seat assembly through relative rotation between the first mounting seat assembly and the second mounting seat assembly, so that the positioning portion can move in the first sliding groove and can be clamped in the clamping position or separated from the clamping position.

According to the utility model discloses hidden hinge, it has following beneficial effect at least: by arranging the positioning mechanism, when the door leaf is opened, the first mounting seat component and the second mounting seat component are opened in a relative rotation mode through the connecting rod mechanism, meanwhile, the connecting rod mechanism drives the moving piece to move relative to the first mounting seat component, so that the positioning part of the rotating piece rotatably connected to the first mounting seat component moves in the first sliding groove, when the door leaf is opened to a preset angle, the positioning part moves to be clamped at the clamping position to limit the movement of the moving piece, the action of the connecting rod mechanism is limited, the opening angle between the first mounting seat component and the second mounting seat component is fixed, and the opening angle of the door leaf is fixed; when closing the door leaf, promote or stimulate the door leaf hard, make link mechanism promote or stimulate the moving member to make location portion break away from the joint position, continue to close the door leaf afterwards, relative rotation is closed between first mount pad subassembly and the second mount pad subassembly, and the moving member moves under link mechanism effect and resets, and makes the removal rotation that rotates the piece through the moving member reset, realizes closing of door leaf. The utility model discloses simple structure, and can make things convenient for the location after the door leaf is opened fixed, can avoid the trouble that needs the fixed door leaf of installation door-inhale to open, make things convenient for the installation of door system to use.

According to some embodiments of the utility model, first spout is back type groove structure, be equipped with the depressed part on both one of them of the inboard cell wall of first spout and the outside cell wall, correspond on the other and be equipped with the bellying, the depressed part with the bellying cooperation is in order to form on the first spout the joint position, first spout including can with location portion guide gets into the first guide slot position of joint position with can with location portion guide breaks away from the second guide slot position of joint position. The first sliding groove of the U-shaped groove structure is arranged, the concave part and the convex part are matched to form a clamping position, when the door leaf is opened, the positioning part moves in the first sliding groove and can be clamped into the clamping position under the guiding action of the first guiding groove position, so that the opening angle of the door leaf is fixed; when closing the door leaf, promote the door leaf hard, make location portion break away from the joint position through the guide effect of second direction trench to realize closing of door leaf, its simple structure, and conveniently realize that location portion can the joint in the joint position and break away from in the joint position.

According to some embodiments of the utility model, location portion rotatable coupling in the expansion end of rotating the piece. Through the rotatable coupling who sets up location portion for location portion when removing in first spout, it can rotate in first spout, with reduce with the friction between the first spout cell wall, make things convenient for its removal, reduce the wearing and tearing between location portion and the first spout simultaneously, improve its durability.

According to some embodiments of the present invention, the first sliding groove includes an adjusting groove, the positioning mechanism has an initial state and a positioning state, when the positioning mechanism is in the initial state, the first mounting base assembly and the second mounting base assembly are closed, and the positioning portion is located in the adjusting groove; when the positioning mechanism is in a positioning state, the first mounting seat assembly and the second mounting seat assembly are opened, and the positioning part is clamped in the clamping position; the positioning mechanism further comprises a position adjusting assembly, the moving piece is connected with the connecting rod mechanism through the position adjusting assembly, and the position adjusting assembly can adjust the position of the positioning portion in the adjusting groove position when the positioning mechanism is in an initial state. Through setting up regulation trench and position control assembly, when being in initial condition with the regulation through position control assembly location portion is located adjust the position in the trench, positioning mechanism changes the location state from initial condition into so that location portion card income joint position when, can change location portion from initial position to the stroke distance of card income joint position to change the door leaf and open the angle of opening when fixed, with the service environment that can be adapted to not, improve the suitability.

According to some embodiments of the utility model, the position control subassembly includes connecting piece and screw rod, the connecting piece with link mechanism connects, the both ends of screw rod respectively through helicitic texture with the connecting piece with the moving member is connected. Through setting up screw rod and connecting piece, can close in order to adjust the distance between change connecting piece and the moving member soon through the screw thread of screw rod to location portion is located the position of adjusting the trench when changing initial condition, its simple structure, and adjusts convenient to use, can be convenient the utility model discloses an install and use.

According to some embodiments of the utility model, first mount pad subassembly include first unable adjustment base and can dismantle connect in first unable adjustment base's first connecting seat, second mount pad subassembly include second unable adjustment base and can dismantle connect in second unable adjustment base's second connecting seat, first unable adjustment base with one of them of second unable adjustment base is used for being connected with the door leaf, and another is used for being connected with the doorframe, link mechanism respectively with first connecting seat with the second connecting seat rotates to be connected. During the installation use, fix the corresponding position on door frame and door leaf with first unable adjustment base and second unable adjustment base installation earlier, connect first connecting seat and second connecting seat through link mechanism, correspond its connection in first unable adjustment base and second fixed base again, can make things convenient for the installation of door system, the dismantlement of the spare part of being convenient for simultaneously is repaired and is changed.

According to some embodiments of the utility model, the second mount pad subassembly has three-dimensional adjustable structure, the second connecting seat passes through three-dimensional adjustable structure with second unable adjustment base can dismantle the connection, three-dimensional adjustable structure can make the second connecting seat with relative mounted position between the second unable adjustment base is adjustable. Through the relative mounted position adjustment of three-dimensional adjustable structure between in order to realize second connecting seat and the second unable setting base, can make things convenient for the utility model discloses an install and use, avoid leading to the unable installation of hinge because of the trompil error on door frame or the door leaf, reduce the installation degree of difficulty of hinge.

According to some embodiments of the utility model, link mechanism includes first connecting rod, second connecting rod and third connecting rod, the both ends of first connecting rod articulate respectively in position control subassembly with the second connecting seat, the one end of second connecting rod articulate in first connecting seat, the both ends of third connecting rod articulate respectively in the other end of second connecting rod with the second connecting seat, the middle part of first connecting rod with the middle part of second connecting rod is articulated, first mount pad subassembly with when relative rotation opens and shuts between the second mount pad subassembly, first connecting rod can order about the moving member is relative first connecting seat removes. Through setting up first connecting rod, second connecting rod and third connecting rod correspond and are connected with first connecting seat and second connecting seat respectively to constitute two sets of four-bar linkage structures, can realize the relative rotation between first mount pad subassembly and the second mount pad subassembly and open and shut, and can improve overall structure's stability in rotation, and simultaneously, constitute the slider-crank structure between first connecting rod, second connecting rod and the moving member, in order to realize that link mechanism can drive the relative first connecting seat of moving member and remove.

According to the utility model discloses a some embodiments, first connecting rod or be connected with the guide on the position control subassembly, correspond on the first connecting seat and be equipped with the confession guide sliding connection's second spout, the guide can slide in the second spout in order to right the removal of moving member leads. Lead through setting up guide and second spout to the removal of moving member, can improve the stability that the moving member removed, avoid its removal to produce the skew, improve the utility model discloses a reliability.

A door system according to an embodiment of the second aspect of the invention, comprising a concealed hinge according to the embodiment of the first aspect of the invention.

According to the utility model discloses door system, it has following beneficial effect at least: through adopting foretell hidden formula hinge, can make things convenient for the location after the door leaf is opened fixed, can avoid need to install the trouble that the fixed door leaf of door-inhale was opened, make things convenient for the installation of door system to use, avoid leading to the fact the influence beautifully to the surface of door leaf and wall body.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a hidden hinge according to an embodiment of the present invention;

FIG. 2 is an exploded view of the concealed hinge of FIG. 1;

FIG. 3 is a schematic view of a portion of the concealed hinge of FIG. 1;

FIG. 4 is an exploded view of a portion of the concealed hinge of FIG. 1;

FIG. 5 is a cross-sectional view of the hinge shown in FIG. 1;

FIG. 6 is a second schematic cross-sectional view of the concealed hinge of FIG. 1;

FIG. 7 is a cross-sectional structural view of the positioning mechanism of FIG. 6 in an initial state;

fig. 8 is a schematic cross-sectional structure view of the positioning mechanism in fig. 6 in a positioning state.

Reference numerals:

the first mounting base assembly 100, the first fixing base 110, the first connecting base 120 and the second sliding groove 121;

a second mounting base assembly 200, a second fixing base 210, a second connecting base 220;

a link mechanism 300, a first link 310, a second link 320, a third link 330, a guide 340;

the positioning mechanism 400, a moving member 410, a first sliding groove 411, a concave portion 411a, a convex portion 411b, a clamping position 412, a first guiding groove 413, a second guiding groove 414, an adjusting groove 415, a rotating member 420, a positioning portion 421, a position adjusting component 430, a connecting member 431 and a screw rod 432.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that if an orientation description is referred to, for example, the directions or positional relationships indicated by the upper, lower, front, rear, left, right, etc. are the directions or positional relationships shown on the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, if there are several, greater than, less than, exceeding, above, below, within, etc., the terms, wherein several means are one or more, and several means are two or more, and greater than, less than, exceeding, etc. are understood as not including the number, and above, below, within, etc. are understood as including the number.

If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1, 2, 3 and 4, a concealed hinge includes a first mount assembly 100, a second mount assembly 200, a linkage 300 and a positioning mechanism 400; one of the first mount assembly 100 and the second mount assembly 200 is used for connecting with a door leaf, and the other is used for connecting with a door frame; the link mechanism 300 is respectively connected with the first mounting seat assembly 100 and the second mounting seat assembly 200 in a rotating way and can enable the first mounting seat assembly 100 and the second mounting seat assembly 200 to be opened and closed in a relatively rotating way; positioning mechanism 400 includes moving member 410 and rotation piece 420, moving member 410 slidable sets up on first mount pad subassembly 100 and is connected with link mechanism 300, be equipped with first spout 411 and the joint position 412 that is located on first spout 411 on the moving member 410, rotation piece 420 rotatable sets up on first mount pad subassembly 100, the expansion end of rotation piece 420 is equipped with the activity and inserts the location portion 421 of locating first spout 411, link mechanism 300 can open and shut through the relative rotation between first mount pad subassembly 100 and the second mount pad subassembly 200 and drive moving member 410 and remove relative first mount pad subassembly 100, so that location portion 421 can move in first spout 411, and can joint in joint position 412 or break away from in joint position 412.

By arranging the positioning mechanism 400, when the door leaf is opened, the first mounting seat assembly 100 and the second mounting seat assembly 200 are opened in a relatively rotating manner through the link mechanism 300, and meanwhile, the link mechanism 300 drives the moving member 410 to move relative to the first mounting seat assembly 100, as the rotating member 420 is rotatably connected to the first mounting seat assembly 100, the positioning part 421 of the rotating member 420 can move in the first chute 411, when the door leaf is opened to a preset angle, the positioning part 421 is movably clamped to the clamping position 412 to limit the movement of the moving member 410, so that the action of the link mechanism 300 is limited, the opening angle between the first mounting seat assembly 100 and the second mounting seat assembly 200 is fixed, and the opening angle of the door leaf is fixed; when the door leaf is closed, the door leaf is pushed or pulled with force, the link mechanism 300 pushes or pulls the moving member 410 with a large force, so that the positioning portion 421 is separated from the clamping position 412, then the door leaf is closed continuously, the first mounting base assembly 100 and the second mounting base assembly 200 are rotated and closed relatively, the moving member 410 is moved and reset under the action of the link mechanism 300, the positioning portion 421 moves in the first sliding groove 411, and the rotating member 420 is rotated and reset through the movement of the moving member 410, so that the door leaf is closed. The utility model discloses simple structure, and can make things convenient for the location after the door leaf is opened fixed, can avoid the trouble that needs the fixed door leaf of installation door-inhale to open, make things convenient for the installation of door system to use.

In practical applications, the specific structures of the first mount base assembly 100, the second mount base assembly 200, the link mechanism 300 and the like can be set according to practical needs, as long as the link mechanism 300 can make the first mount base assembly 100 and the second mount base assembly 200 rotatably open and close and can drive the moving member 410 to move, and the specific structure of the rotating member 420 and the specific structure of the first sliding chute 411 and the like are not described in detail herein, and are described in detail below.

In some embodiments, the first sliding slot 411 has a zigzag slot structure, a concave portion 411a is disposed on one of an inner slot wall and an outer slot wall of the first sliding slot 411, and a convex portion 411b is correspondingly disposed on the other, the concave portion 411a and the convex portion 411b cooperate to form a clamping position 412 on the first sliding slot 411, and the first sliding slot 411 includes a first guiding slot 413 capable of guiding the positioning portion 421 into the clamping position 412 and a second guiding slot 414 capable of guiding the positioning portion 421 out of the clamping position 412. In this embodiment, as shown in fig. 3, 6, 7 and 8, a concave portion 411a is disposed on an inner side wall of the first sliding slot 411, and a convex portion 411b is correspondingly disposed on an outer side wall of the first sliding slot 411 to form a clamping position 412 on the first sliding slot 411, when the door leaf is opened, the positioning portion 421 moves in the first sliding slot 411 and can be clamped into the clamping position 412 by a guiding action of the first guiding slot 413, so as to fix an opening angle of the door leaf; when the door leaf is closed, the door leaf is continuously pushed forcibly in the door opening direction, so that the positioning portion 421 is separated from the clamping position 412 by the guiding action of the second guiding slot 414, and the door leaf is closed.

In practical application, the first sliding slot 411 may also be a straight bar or arc-shaped slot structure, and a semicircular concave position adapted to the diameter of the positioning portion 421 is disposed thereon to form a clamping position 412, so that the positioning portion 421 can be clamped in or separated from the clamping position 412; the rotating member 420 may be provided with a torsion spring or adjust the tightness of the rotation thereof, so that the positioning portion 421 can move along the first sliding slot 411; the groove width of the clamping position 412 can be matched with the diameter of the positioning part 421 so as to clamp the positioning part 421, or an elastic expansion part is arranged, when the positioning part 421 enters the clamping position 412, the elastic expansion part is compressed to be contracted, and after the positioning part 421 is clamped into the clamping position 412, the elastic expansion part is abutted and fixed to realize clamping in the clamping position 412; of course, the specific matching between the first sliding slot 411 and the positioning portion 421 can also be changed according to the actual use requirement, and is not limited herein.

In some embodiments, the positioning portion 421 can be rotatably connected to the movable end of the rotating member 420. Through the rotatable connection that sets up location portion 421 for when location portion 421 moves in first spout 411, it can rotate in first spout 411, with the friction that reduces between with first spout 411 cell wall, makes things convenient for its removal, reduces the wearing and tearing between location portion 421 and the first spout 411 simultaneously, improves its durability. In practical applications, the positioning portion 421 can rotate relative to the rotating member 420 through a bearing or a clearance fit, and the like, and can be set according to practical needs, which is not limited herein.

In some embodiments, the first sliding slot 411 includes an adjusting slot 415, the positioning mechanism 400 has an initial state and a positioning state, when the positioning mechanism 400 is in the initial state, the first mount assembly 100 and the second mount assembly 200 are closed, and the positioning portion 421 is located in the adjusting slot 415; when the positioning mechanism 400 is in the positioning state, the first mount assembly 100 and the second mount assembly 200 are opened, and the positioning portion 421 is clamped in the clamping position 412; the positioning mechanism 400 further includes a position adjusting assembly 430, the moving member 410 is connected to the link mechanism 300 through the position adjusting assembly 430, and the position adjusting assembly 430 can adjust the position of the positioning portion 421 in the adjusting slot 415 when the positioning mechanism 400 is in the initial state. In the present embodiment, as shown in fig. 3, 5 and 7, by providing the adjusting slot 415 and the position adjusting assembly 430, and adjusting the position of the positioning portion 421 in the initial state in the adjusting slot 415 by the position adjusting assembly 430, when the positioning mechanism 400 is changed from the initial state to the positioning state to allow the positioning portion 421 to be snapped into the snap-in seat 412, with reference to fig. 7 and 8, by changing the initial position of the positioning portion 421 in the adjusting slot 415, the stroke distance of the positioning portion 421 from the initial position to the snap-in seat 412 can be changed, and the action stroke of the link mechanism 300 is changed, so that the rotatable angle between the first mount assembly 100 and the second mount assembly 200 is changed, thereby changing the opening angle when the door leaf is opened and fixed, and being capable of adapting to different use environments, and improving applicability.

In practical applications, the specific structure of the position adjusting assembly 430 may be set according to practical needs, as long as the initial position of the moving member 410 can be adjusted and changed to change the position of the positioning portion 421 in the adjusting slot 415, and the specific structure thereof is not described in detail herein, and will be described in detail below.

In some embodiments, the position adjustment assembly 430 includes a connection member 431 and a screw 432, the connection member 431 is connected to the link mechanism 300, and both ends of the screw 432 are connected to the connection member 431 and the moving member 410 through a screw structure, respectively. In this embodiment, as shown in fig. 3, 5 and 7, through setting up screw 432 and connecting piece 431, can change the distance between connecting piece 431 and moving member 410 through the screw thread closure of screw 432 in order to adjust the initial position that changes moving member 410 to when changing initial condition location portion 421 is located the position in adjusting slot position 415, its simple structure, and adjust convenient to use, can be convenient the utility model discloses an installation is used.

In practical application, besides the adjustment through the thread structure, the initial position adjustment of the moving member 410 can be realized through the cooperation of the telescopic rod structure and the locking structure, or through the cooperation of the gear and rack structure and the locking structure, and the like, which can be understood by those skilled in the art.

In some embodiments, the first mounting assembly 100 includes a first fixing base 110 and a first connecting base 120 detachably connected to the first fixing base 110, the second mounting assembly 200 includes a second fixing base 210 and a second connecting base 220 detachably connected to the second fixing base 210, one of the first fixing base 110 and the second fixing base 210 is used for connecting to a door leaf, the other is used for connecting to a door frame, and the link mechanism 300 is rotatably connected to the first connecting base 120 and the second connecting base 220, respectively. In this embodiment, as shown in fig. 1, 2 and 4, when the first mount assembly 100 and the second mount assembly 200 are mounted and used, the corresponding position on the door leaf of the first fixed base 110 and the corresponding position on the door frame of the second fixed base 210 are firstly mounted and fixed, the first connecting base 120 and the second connecting base 220 are connected through the link mechanism 300, and then correspondingly connected to the first fixed base 110 and the second fixed base, so that the door system can be conveniently mounted, and the components can be conveniently dismounted, repaired and replaced. Of course, in practical applications, the specific structures of the first mount assembly 100 and the second mount assembly 200 may be changed according to practical needs, and the mounting positions thereof may also be set accordingly, which is not limited herein.

In some embodiments, the second mounting base assembly 200 has a three-dimensional adjustable structure (not shown), and the second connecting base 220 is detachably connected to the second fixing base 210 through the three-dimensional adjustable structure, so that the relative mounting position between the second connecting base 220 and the second fixing base 210 can be adjusted. In this embodiment, as shown in fig. 1 and 2, three-dimensional adjustable structure is including setting up a plurality of waist type holes at second connecting seat 220 and second unable adjustment base 210 respectively, and waist type hole has horizontal setting and vertical setting respectively, and it is adjustable to realize the ascending mounted position of length and breadth direction, and as for its depth direction then the bolt of accessible connection between the two closes the feed volume soon and adjusts control, and adjust with the relative mounted position who realizes between second connecting seat 220 and the second unable adjustment base 210, can make things convenient for the utility model discloses an installation is used, avoids leading to the unable installation of hinge because of the trompil error on door frame or the door leaf, reduces the installation degree of difficulty of hinge. Of course, in practical applications, the three-dimensional adjustable structure can be set according to practical use requirements, and the specific configuration and the three-dimensional adjustable principle thereof are known to those skilled in the art, and therefore, will not be described in detail herein.

In some embodiments, the link mechanism 300 includes a first link 310, a second link 320, and a third link 330, wherein two ends of the first link 310 are respectively hinged to the position adjustment assembly 430 and the second connecting seat 220, one end of the second link 320 is hinged to the first connecting seat 120, two ends of the third link 330 are respectively hinged to the other end of the second link 320 and the second connecting seat 220, a middle portion of the first link 310 is hinged to a middle portion of the second link 320, and the first link 310 can drive the moving member 410 to move relative to the first connecting seat 120 when the first mount assembly 100 and the second mount assembly 200 are relatively rotated to be opened and closed. In the present embodiment, as shown in fig. 3, 4 and 5, the first link 310 is provided in two and respectively located above and below the second link 320, the first connecting rod 310 and the second connecting rod 320 are rod members having a certain bending angle, a set of four-bar linkage structures are correspondingly formed among the first connecting rod 310, the second connecting rod 320, the third connecting rod 330 and the second connecting seat 220, another set of four-bar linkage structures are correspondingly formed among the first connecting rod 310, the second connecting rod 320, the first connecting seat 120 and the position adjusting assembly 430, so as to realize the relative rotation opening and closing between the first mounting seat assembly 100 and the second mounting seat assembly 200, and by forming two groups of four-bar structures, the rotation stability of the whole structure can be improved, meanwhile, a crank-slider structure is formed among the first connecting rod 310, the second connecting rod 320 and the moving member 410, so that the link mechanism 300 can drive the moving member 410 to move relative to the first connecting base 120.

Of course, in practical application, the specific structure of the link mechanism 300 can be set according to practical use requirements, the link mechanism 300 is a mechanism commonly used in the art and used for connecting the first mount assembly 100 and the second mount assembly 200, and a person skilled in the art can understand that the link mechanism 300 can be opened and closed by rotating the first mount assembly 100 and the second mount assembly 200 and can drive the moving member 410 to move as long as the requirement is met.

In some embodiments, a guide 340 is connected to the first connecting rod 310 or the position adjusting assembly 430, a second sliding slot 121 for the guide 340 to slidably connect is correspondingly disposed on the first connecting base 120, and the guide 340 can slide in the second sliding slot 121 to guide the movement of the moving member 410. In this embodiment, as shown in fig. 3, 4 and 6, the articulated shaft department of first connecting rod 310 and connecting piece 431 is equipped with guide 340, leads to the removal of moving member 410 through setting up guide 340 and second spout 121, can improve the stability that moving member 410 removed, avoids its removal to produce the skew, improves the utility model discloses a reliability. In practical applications, the specific structures of the guiding element 340 and the second sliding groove 121 can be set according to practical application needs, as long as the moving guiding needs of the moving element 410 are met, and those skilled in the art can understand the specific structures.

A door system according to an embodiment of the second aspect of the invention comprises a concealed hinge according to the above-described embodiment of the first aspect of the invention.

According to the utility model discloses door system, it can make things convenient for the location after the door leaf is opened fixed through adopting foretell hidden formula hinge, can avoid the trouble that needs the fixed door leaf of installation door-inhale to open, makes things convenient for the installation of door system to use, avoids leading to the fact the influence to the surperficial pleasing to the eye of door leaf and wall body.

Other configurations of the door system of embodiments of the present invention are known to those of ordinary skill in the art and therefore will not be described in detail herein.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (10)

1. A concealed hinge, comprising:

a first mount assembly (100);

a second mount assembly (200), one of the first mount assembly (100) and the second mount assembly (200) being for connection to a door leaf and the other being for connection to a door frame;

a link mechanism (300) which is respectively connected with the first mounting seat assembly (100) and the second mounting seat assembly (200) in a rotating way and can enable the first mounting seat assembly (100) and the second mounting seat assembly (200) to be opened and closed in a relatively rotating way;

the positioning mechanism (400) comprises a moving part (410) and a rotating part (420), the moving part (410) is slidably arranged on the first mounting seat assembly (100) and is connected with the link mechanism (300), a first sliding groove (411) and a clamping position (412) located on the first sliding groove (411) are arranged on the moving part (410), the rotating part (420) is rotatably arranged on the first mounting seat assembly (100), a positioning part (421) movably inserted in the first sliding groove (411) is arranged at the movable end of the rotating part (420), and the link mechanism (300) can drive the moving part (410) to move relative to the first mounting seat assembly (100) through the relative rotation opening and closing between the first mounting seat assembly (100) and the second mounting seat assembly (200) so that the positioning part (421) can move in the first sliding groove (411), and can be snapped into and out of the snap station (412).

2. A concealed hinge according to claim 1,

first spout (411) are back type groove structure, be equipped with depressed part (411a) on one of them with outside cell wall the inboard cell wall of first spout (411), correspond on the other and be equipped with bellying (411b), depressed part (411a) with bellying (411b) cooperation is in order to form on first spout (411) joint position (412), first spout (411) including can with location portion (421) guide gets into first direction trench (413) of joint position (412) with can with location portion (421) guide breaks away from second direction trench (414) of joint position (412).

3. A concealed hinge according to claim 1,

the positioning part (421) is rotatably connected to the movable end of the rotating part (420).

4. A concealed hinge according to claim 1,

the first sliding chute (411) comprises an adjusting slot position (415), the positioning mechanism (400) has an initial state and a positioning state, when the positioning mechanism (400) is in the initial state, the first mounting seat assembly (100) and the second mounting seat assembly (200) are closed, and the positioning part (421) is located in the adjusting slot position (415); when the positioning mechanism (400) is in a positioning state, the first mounting seat assembly (100) and the second mounting seat assembly (200) are opened, and the positioning part (421) is clamped in the clamping position (412); the positioning mechanism (400) further comprises a position adjusting component (430), the moving part (410) is connected with the link mechanism (300) through the position adjusting component (430), and the position adjusting component (430) can adjust the position of the positioning part (421) in the adjusting groove position (415) when the positioning mechanism (400) is in an initial state.

5. A concealed hinge according to claim 4,

the position adjusting assembly (430) comprises a connecting piece (431) and a screw rod (432), wherein the connecting piece (431) is connected with the connecting rod mechanism (300), and two ends of the screw rod (432) are respectively connected with the connecting piece (431) and the moving piece (410) through thread structures.

6. A concealed hinge according to claim 4,

the first mounting seat assembly (100) comprises a first fixing base (110) and a first connecting seat (120) detachably connected to the first fixing base (110), the second mounting seat assembly (200) comprises a second fixing base (210) and a second connecting seat (220) detachably connected to the second fixing base (210), one of the first fixing base (110) and the second fixing base (210) is used for being connected with a door leaf, the other one of the first fixing base and the second fixing base is used for being connected with a door frame, and the connecting rod mechanism (300) is respectively connected with the first connecting seat (120) and the second connecting seat (220) in a rotating mode.

7. A concealed hinge according to claim 6,

the second mounting seat assembly (200) has a three-dimensional adjustable structure, the second connecting seat (220) is detachably connected with the second fixing base (210) through the three-dimensional adjustable structure, and the three-dimensional adjustable structure enables the relative mounting position between the second connecting seat (220) and the second fixing base (210) to be adjustable.

8. A concealed hinge according to claim 6,

the link mechanism (300) comprises a first link (310), a second link (320) and a third link (330), wherein two ends of the first link (310) are respectively hinged to the position adjusting assembly (430) and the second connecting seat (220), one end of the second link (320) is hinged to the first connecting seat (120), two ends of the third link (330) are respectively hinged to the other end of the second link (320) and the second connecting seat (220), the middle of the first link (310) is hinged to the middle of the second link (320), and when the first mounting seat assembly (100) and the second mounting seat assembly (200) are relatively rotated and opened, the first link (310) can drive the moving member (410) to move relative to the first connecting seat (120).

9. A concealed hinge according to claim 8,

the first connecting rod (310) or the position adjusting assembly (430) is connected with a guide piece (340), a second sliding groove (121) for the guide piece (340) to be connected in a sliding mode is correspondingly arranged on the first connecting seat (120), and the guide piece (340) can slide in the second sliding groove (121) to guide the movement of the moving piece (410).

10. A door system, comprising a concealed hinge according to any one of claims 1 to 9.

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