CN219910427U - Three-dimensional adjustable hidden hinge - Google Patents

Abstract

The utility model provides a three-dimensional adjustable hidden hinge which comprises a door leaf connecting mechanism and a door frame connecting mechanism, wherein the door leaf connecting mechanism is rotatably connected to the door frame connecting mechanism and provided with a rotation axis along a first direction, the door leaf connecting mechanism comprises a door leaf fixing seat, a door leaf connecting piece and a first adjusting piece, the door leaf connecting piece is movably connected to the door leaf fixing seat and can move along the first direction relative to the door leaf fixing seat, one of the door leaf connecting piece and the door leaf fixing seat is provided with a sliding block, the other one of the door leaf connecting piece and the door leaf fixing seat is provided with a guide groove in sliding fit with the sliding block, and the first adjusting piece is connected to the door leaf connecting piece and can abut against the door leaf fixing seat to drive the door leaf connecting piece to move relative to the door leaf fixing seat. According to the three-dimensional adjustable hidden hinge, the sliding block is in sliding fit with the guide groove, so that the door leaf connecting piece cannot deviate relative to the door leaf fixing seat, and the reliability of adjustment of the three-dimensional adjustable hidden hinge is improved.

Description

Three-dimensional adjustable hidden hinge

Technical Field

The utility model relates to the technical field of hardware accessories, in particular to a three-dimensional adjustable hidden hinge.

Background

The hinge is a common mechanical structure, is usually installed on a door and a window, supports the door and the window, enables the door and the window to flexibly rotate, and is also various in design according to different requirements of users on the hinge on the market, wherein the three-dimensional adjustable hidden hinge is hidden in the door, so that the door for entering a house is concise and attractive.

After the installation of the existing three-dimensional adjustable hidden hinge is completed, in order to ensure that the upper end and the lower end of the door leaf are flush with the upper end and the lower end of the door frame, the hinge needs to be adjusted up and down, however, the reliability of the existing three-dimensional adjustable hidden hinge during up and down adjustment is low, the adjustment difficulty is increased, and improvement is needed.

Disclosure of Invention

The embodiment of the utility model aims to provide a three-dimensional adjustable hidden hinge so as to solve the problems. The embodiment of the utility model realizes the aim through the following technical scheme.

The utility model provides a three-dimensional adjustable hidden hinge, which comprises a door frame connecting mechanism and a door leaf connecting mechanism, wherein the door leaf connecting mechanism is rotatably connected with the door frame connecting mechanism and is provided with a rotation axis along a first direction, and the door leaf connecting mechanism comprises:

a door leaf fixing seat;

the door leaf connecting piece is movably connected to the door leaf fixing seat and can move along the first direction relative to the door leaf fixing seat, one of the door leaf connecting piece and the door leaf fixing seat is provided with a sliding block, and the other door leaf connecting piece and the door leaf fixing seat is provided with a guide groove in sliding fit with the sliding block;

the first adjusting piece is connected to the door leaf connecting piece and can prop against the door leaf fixing seat so as to drive the door leaf connecting piece to move relative to the door leaf fixing seat.

In one embodiment, the door leaf connecting piece is provided with the sliding block, the door leaf fixing seat is provided with the guide groove, the door leaf fixing seat is further provided with a chute positioned in the guide groove, and the first adjusting piece can be abutted to the groove wall of the chute.

In one embodiment, the door leaf fixing seat is provided with a first stop part, one side of the door leaf connecting piece, which is close to the door leaf fixing seat, is provided with a second stop part, and the first stop part is in matched contact with the second stop part.

In one embodiment, the first stop portion and the second stop portion are each a sliding tooth structure, and an extending direction of the sliding tooth structure intersects the first direction.

In one embodiment, the door leaf fixing base comprises a door leaf adjusting part and a door leaf fixing part, the door leaf adjusting part is rotationally connected with the door frame connecting mechanism, the door leaf connecting part is movably connected with the door leaf fixing part, the door leaf fixing part can move along a second direction relative to the door leaf adjusting part, and the first direction is different from the second direction.

In one embodiment, the door leaf fixing seat further includes a second adjusting member, where the second adjusting member is connected to the door leaf adjusting member and cooperates with the door leaf fixing member to drive the door leaf fixing member to move along the second direction relative to the door leaf adjusting member.

In one embodiment, the second adjusting member is rotatably connected to the door leaf adjusting member, a plurality of teeth are provided on an outer circumferential surface of the second adjusting member, the door leaf fixing member is provided with a plurality of latches, the latches are sequentially arranged along the second direction, and the teeth are respectively meshed with the latches.

In one embodiment, one of the door leaf fixing element and the door leaf adjusting element is provided with a sliding groove extending in the second direction, and the other is provided with a convex tooth which is at least partially arranged in the sliding groove and can slide along the second direction.

In one embodiment, the door frame connecting mechanism comprises a door frame fixing seat, a door frame connecting piece and a third adjusting piece, wherein the door frame fixing seat is rotationally connected with the door leaf connecting mechanism, the door frame connecting piece is connected with the door frame fixing seat in a deflectable manner, and the third adjusting piece is connected with the door frame fixing seat and the door frame connecting piece so as to drive the door frame connecting piece to deflect relative to the door frame fixing seat.

In one embodiment, the door leaf connecting mechanism further comprises a door leaf rotating arm, the door leaf rotating arm is movably connected with the door leaf fixing seat, the door frame connecting mechanism comprises a door frame rotating arm, and the door frame rotating arm is rotatably connected with the door leaf rotating arm.

Compared with the prior art, the three-dimensional adjustable hidden hinge comprises the door leaf connecting mechanism and the door frame connecting mechanism, wherein the door leaf connecting mechanism is rotatably connected to the door frame connecting mechanism and provided with the rotating axis along the first direction, the door leaf connecting mechanism comprises the door leaf fixing seat, the door leaf connecting piece and the first adjusting piece, the door leaf connecting piece is movably connected to the door leaf fixing seat and can move along the first direction relative to the door leaf fixing seat, one of the door leaf connecting piece and the door leaf fixing seat is provided with the sliding block, the other one of the door leaf connecting piece and the door leaf fixing seat is provided with the guide groove in sliding fit with the sliding block, and the first adjusting piece is connected to the door leaf connecting piece and can abut against the door leaf fixing seat to drive the door leaf connecting piece to move relative to the door leaf fixing seat. So, can be equipped with the slider through one of them of door leaf connecting piece and door leaf fixing base, another be equipped with slider sliding fit's guide way for the removal of door leaf connecting piece relative door leaf fixing base can not take place skew or slope, has promoted the reliability of three-dimensional adjustable hidden hinge up-and-down regulation.

These and other aspects of the utility model will be more readily apparent from the following description of the embodiments.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a three-dimensional adjustable hidden hinge provided by the utility model.

Fig. 2 is a schematic view of the three-dimensional adjustable hidden hinge shown in fig. 1 mounted on a door leaf and a door frame.

Fig. 3 is a partially disassembled schematic view of the three-dimensional adjustable hidden hinge shown in fig. 1.

Fig. 4 is a door leaf connector of the three-dimensional adjustable hidden hinge shown in fig. 1.

Fig. 5 is another partially disassembled schematic view of the three-dimensional adjustable hidden hinge shown in fig. 1.

Fig. 6 is a partially disassembled schematic illustration of yet another three-dimensional adjustable hidden hinge shown in fig. 1.

Fig. 7 is another schematic structural view of the three-dimensional adjustable hidden hinge shown in fig. 1.

Detailed Description

In order to facilitate an understanding of the embodiments of the present utility model, the embodiments of the present utility model will be described more fully below with reference to the accompanying drawings. The drawings illustrate preferred embodiments of the utility model. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the examples of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

The inventor of the utility model discovers that the existing three-dimensional adjustable hidden hinge can cause the phenomenon of door leaf inclination and the like when being adjusted up and down, so that a user can adjust the hidden hinge in place for many times, and the user experience is poor. Therefore, the three-dimensional adjustable hidden hinge is provided, one of the door leaf connecting piece and the door leaf fixing seat is provided with the sliding block, and the other is provided with the guide groove in sliding fit with the sliding block, so that the door leaf connecting piece cannot deviate or incline relative to the movement of the door leaf fixing seat, and the reliability of up-and-down adjustment of the three-dimensional adjustable hidden hinge is improved. The three-dimensional adjustable hidden hinge provided by the utility model is described in detail below with reference to the detailed description and the attached drawings.

Referring to fig. 1 to 4, the present utility model provides a three-dimensional adjustable hidden hinge 1, which includes a door leaf connecting mechanism 10 and a door frame connecting mechanism 20, wherein the door leaf connecting mechanism 10 is rotatably connected to the door frame connecting mechanism 20 and has a rotation axis l along a first direction D1, the door leaf connecting mechanism 10 includes a door leaf fixing seat 11, a door leaf connecting member 12 and a first adjusting member 13, the door leaf connecting member 12 is movably connected to the door leaf fixing seat 11 and can move along the first direction D1 relative to the door leaf fixing seat 11, one of the door leaf connecting member 12 and the door leaf fixing seat 11 is provided with a slider 121, the other is provided with a guide slot 1121 slidably matched with the slider 121, and the first adjusting member 13 is connected to the door leaf connecting member 12 and can abut against the door leaf fixing seat 11 to drive the door leaf connecting member 12 to move relative to the door leaf fixing seat 11.

In this embodiment, the three-dimensional adjustable hidden hinge 1 may be used for a flat-top door, and when the three-dimensional adjustable hidden hinge 1 is used for a flat-top door, the maximum thickness of the door trim can be 12mm, and the opening angle is 180 ° at the maximum. In other embodiments, the three-dimensional adjustable hidden hinge 1 may also be used for a tongue-and-groove door, i.e. a door with an anti-theft edge, where the opening angle is 165 ° at most when the three-dimensional adjustable hidden hinge 1 is used for a tongue-and-groove door.

Specifically, the door leaf connecting mechanism 10 is rotatably connected to the door frame connecting mechanism 20, and has a rotation axis l in the first direction D1, i.e., the door leaf connecting mechanism 10 is rotatable around the door frame connecting mechanism 20 along the rotation axis l. The first direction D1 is the up-down direction, i.e., the height direction of the door 100. The door connecting mechanism 10 is used for connecting with the door 100, and in the present utility model, the door connecting mechanism 10 is fixedly connected with the door 100 by a screw. In other embodiments, the door leaf attachment mechanism 10 may also be attached to the door leaf 100 by a snap-fit arrangement. It will be appreciated that the door leaf connecting mechanism 10 and the door leaf 100 may be connected in other manners, and may be specifically set according to practical situations.

The door leaf connecting mechanism 10 comprises a door leaf fixing seat 11 and a door leaf connecting piece 12, wherein the door leaf connecting piece 12 can be fixedly connected with the door leaf 100 through screws, the door leaf connecting piece 12 is movably connected to the door leaf fixing seat 11 and can move along a first direction D1 relative to the door leaf fixing seat 11, one of the door leaf connecting piece 12 and the door leaf fixing seat 11 is provided with a sliding block 121, the other is provided with a guide groove 1121 in sliding fit with the sliding block 121, and the door leaf connecting piece 12 can not deviate or incline relative to the movement of the door leaf fixing seat 11 through the matching of the sliding block 121 and the guide groove 1121, so that the reliability of up-down adjustment of the three-dimensional adjustable hidden hinge 1 is improved.

Referring to fig. 3 and 4, in the present embodiment, the door connecting piece 12 is provided with a slider 121, the door fixing base 11 is provided with a guiding slot 1121, the guiding slot 1121 is substantially rectangular, and the guiding slot 1121 is recessed inward from the top surface of the door fixing base 11, wherein the top surface of the door fixing base 11 refers to the surface of the door fixing base 11 opposite to the door connecting piece 12. The length direction of the guide slot 1121 is consistent with the first direction D1, the sliding block 121 is of a rectangular structure and protrudes out of the surface of the door leaf connecting piece 12, which faces the door leaf fixing seat 11, the width of the sliding block 121 is approximately the same as that of the guide slot 1121, so that the guide slot 1121 can limit the movement of the sliding block 121, the door leaf connecting piece 12 can only move along the first direction D1 relative to the door leaf fixing seat 11, the reliability of the three-dimensional adjustable hidden hinge 1 adjustment is improved, the adjustment difficulty is reduced, and the user experience is also improved. In other embodiments, the door fixing base 11 may be provided with a slider 121, and the door connector 12 may be provided with a guide groove 1121, which may be specifically set according to actual situations.

The door leaf holder 11 is further provided with a chute 1123 located in the guide slot 1121, the chute 1123 having a slot wall inclined with respect to the top surface of the door leaf holder 11, the first adjustment member 13 being able to abut against the slot wall of the chute 1123. Specifically, when the first adjusting member 13 abuts against the groove wall of the chute 1123, the first adjusting member 13 continues to rotate in the same direction, and the door leaf connecting member 12 can move downward relative to the door leaf fixing base 11 under the action of the first adjusting member 13. When the first adjustment member 13 is adjusted in the opposite direction, the door leaf attachment member 12 can be moved upwards relative to the door leaf holder 11.

In this embodiment, the first adjusting member 13 is a hexagonal screw, the first adjusting member 13 is in threaded connection with the door leaf connecting member 12, and the end portion of the first adjusting member 13 extends into the guide slot 1121 to abut against the slot wall of the chute 1123 in the guide slot 1121, so that the rotation of the first adjusting member 13 can be adjusted by a hexagonal wrench, and the difficulty in up-and-down adjustment of the three-dimensional adjustable hidden hinge 1 is reduced. In other embodiments, the first adjusting member 13 may be directly inserted through the door leaf connecting member 12 to abut against the groove wall of the chute 1123, and the door leaf connecting member 12 may be moved up or down relative to the door leaf fixing seat 11 by adjusting the first adjusting member 13.

The door leaf connecting piece 12 of the common hinge in the market is in plane-plane contact with the door leaf fixing seat 11, the structure is not firmly fixed, and the door leaf connecting piece 12 is connected with the door leaf, so that the phenomena of sagging, inclination, unstable fixation and the like can be caused by the gravity of the door leaf or long-term use. Therefore, the door leaf fixing seat 11 of the utility model is provided with the first stop part 1125, one side of the door leaf connecting piece 12 close to the door leaf fixing seat 11 is provided with the second stop part 123, the first stop part 1125 is contacted with the second stop part 123 in a matched manner, and the door leaf connecting piece 12 can be stopped to move downwards relative to the door leaf fixing seat 11 to a certain extent, so that the connection stability between the door leaf connecting piece 12 and the door leaf fixing seat 11 after up-down adjustment can be improved, and the reliability of up-down adjustment of the three-dimensional adjustable hidden hinge 1 is further improved, wherein the up-down adjustment precision is +/-3.0 mm.

In this embodiment, the first stop portion 1125 and the second stop portion 123 are both of a sliding tooth structure, and the extending direction of the sliding tooth structure intersects with the first direction D1, and in this embodiment, the sliding tooth structure extends along the second direction D2, where the first direction D1 and the second direction D2 are perpendicular to each other. In other embodiments, the included angle between the first direction D1 and the second direction D2 may also be 30 °, 60 °, or other angles. The first stop 1125 and the second stop 123 each include a plurality of sliding tooth structures spaced apart along the first direction D1. In one embodiment, the first stop 1125 includes a plurality of sliding tooth structures and the second stop 123 includes one or two sliding tooth structures. In another embodiment, the first stop 1125 comprises one or two sliding tooth structures and the second stop 123 comprises a plurality of sliding tooth structures. In other embodiments, the first stop portion 1125 and the second stop portion 123 may be bump structures or other structures, which may be sufficient to stop the door connecting piece 12 from moving downward relative to the door fixing base 11 to some extent.

In this embodiment, the door leaf connecting mechanism 10 further includes a first fastener 14, where the first fastener 14 is used to fix the door leaf connecting piece 12 to the door leaf fixing seat 11, specifically, after the up-down adjustment of the three-dimensional adjustable hidden hinge 1 is completed, the door leaf connecting piece 12 may be fixed to the door leaf fixing seat 11 by using the first fastener 14, so as to avoid the mutual movement between the two. Specifically, the door leaf connecting piece 12 is further provided with an oblong slot, the door leaf fixing seat 11 is provided with a threaded hole, the first fastening piece 14 can penetrate through the oblong slot to be in threaded fit with the threaded hole, and the door leaf connecting piece 12 can move up and down a certain distance relative to the door leaf fixing seat 11 conveniently through the oblong slot.

The door fixing seat 11 includes a door adjusting member 114 and a door fixing member 112, wherein the door adjusting member 114 is rotatably connected with the door frame connecting mechanism 20, the door connecting member 12 is movably connected with the door fixing member 112, and the door connecting member 12 can be fixedly connected with the door fixing member 112 through the first adjusting member 13, and the door fixing member 112 can move along the second direction D2 relative to the door adjusting member 114, and the first direction D1 is different from the second direction D2. In the present embodiment, the first direction D1 and the second direction D2 are perpendicular to each other. In other embodiments, the first direction D1 and the second direction D2 may also be non-perpendicular.

Because door leaf connecting piece 12 can be through first regulating part 13 and door leaf mounting 112 fixed connection, under door leaf connecting piece 12 and door leaf mounting 112 fixed connection's the condition, through adjusting door leaf mounting 112 and remove along first direction D1 relative door leaf regulating part 114, can make door leaf 100 that door leaf connecting piece 12 is connected remove along first direction D1 for door leaf 100 can the flush with door frame 200's surface under the door state, has realized the front and back regulation of three-dimensional adjustable hidden hinge 1, and wherein, front and back regulation precision is + -1.3 mm.

Referring to fig. 5 and 6, one of the door fixing member 112 and the door adjusting member 114 is provided with a sliding slot 1127 extending in the second direction D2, and the other is provided with a protruding tooth 1142, and the protruding tooth 1142 is at least partially disposed in the sliding slot 1127 and can slide along the second direction D2. Since the slide slot 1127 extends along the second direction D2, the protruding tooth 1142 cooperates with the slide slot 1127, so that the protruding tooth 1142 can only slide along the second direction D2, and the guiding function of the door fan fixing piece 112 is achieved. In this embodiment, the chute 1127 is disposed on the door fixing member 112, and the chute 1127 is a V-shaped slot; the protruding tooth 1142 is disposed on the door leaf adjusting member 114, and the protruding tooth 1142 is adapted to the sliding slot 1127, i.e. the protruding tooth 1142 includes at least two surfaces that are matched to the slot walls of the V-shaped slot. In other embodiments, the chute 1127 is provided to the door adjuster 114 and the teeth 1142 are provided to the door retainer 112. In other embodiments, the sliding slot 1127 may be a dovetail slot, a rectangular slot, or a slot with another shape, so long as it can cooperate with the tooth 1142 and guide the door fixing member 112, and may be specifically set according to practical situations.

The door adjusting member 114 has a substantially rectangular plate-like structure, and the door adjusting member 114 is provided with a limit groove (not shown) disposed on a surface of the door adjusting member 114 facing away from the door fixing member 112. In the present embodiment, the number of the door leaf adjusters 114 is two, and the two door leaf adjusters 114 are spaced apart from each other and connected by a connecting rod.

The door fixing seat 11 further includes a second adjusting member 116, where the second adjusting member 116 is connected to the door adjusting member 114 and cooperates with the door fixing member 112 to drive the door fixing member 112 to move along the second direction D2 relative to the door adjusting member 114. Specifically, the door leaf fixing member 112 is provided with a plurality of latches 1129, and the plurality of latches 1129 are sequentially arranged along the second direction D2. The second adjusting member 116 is rotatably connected to the door leaf adjusting member 114, the outer peripheral surface of the second adjusting member 116 is provided with a plurality of gear teeth 1162, and the plurality of gear teeth 1162 are respectively meshed with the plurality of latches 1129, so that the plurality of gear teeth 1162 can be meshed with the plurality of latches 1129 by rotating the second adjusting member 116, thereby driving the door leaf fixing member 112 to move along the first direction D1 relative to the door leaf adjusting member 114, so that the surface of the door leaf 100 can be flush with the surface of the door frame 200 in the door closing state, and front-back adjustment of the three-dimensional adjustable hidden hinge 1 is realized. In this embodiment, the second adjustment member 116 is an adjustment gear.

In this embodiment, the door leaf connecting mechanism 10 further includes a second fastening member 15, where the second fastening member 15 is used to fix the door leaf adjusting member 114 to the door leaf fixing member 112, specifically, after the front-back adjustment of the three-dimensional adjustable hidden hinge 1 is completed, the door leaf adjusting member 114 may be fixed to the door leaf fixing member 112 by the second fastening member 15, so as to avoid the mutual movement between the two members. Specifically, the door leaf adjusting member 114 is further provided with an elongated circular groove, the door leaf fixing member 112 is provided with a threaded hole, and the second fastening member 15 can be threaded through the elongated circular groove.

The door leaf connection mechanism 10 further comprises a door leaf rotating arm 16, the door leaf rotating arm 16 is movably connected with the door leaf fixing seat 11, the door leaf rotating arm 16 is slidably arranged in the limiting groove through a rubber sleeve (not shown), and specifically, the rubber sleeve is arranged at the end part of the door leaf rotating arm 16 and is matched with the limiting groove, so that the door leaf rotating arm 16 can move along the extending direction of the limiting groove.

The door leaf connecting mechanism 10 further comprises a door leaf bottom shell 17, the door leaf bottom shell 17 is installed in a containing cavity preset in the door leaf 100, and the size of the containing cavity is larger than that of the door leaf bottom shell 17, so that the door leaf bottom shell 17 can move in the containing cavity when the three-dimensional adjustable hidden hinge 1 is adjusted. The door bottom case 17 is connected to the door fixing member 112, and the door adjusting member 114 is provided in the door bottom case 17.

With continued reference to fig. 5 and 6, the door frame attachment mechanism 20 is configured to attach to the door frame 200. The door frame connecting mechanism 20 includes a door frame fixing seat 21, a door frame connecting member 22, and a third regulating member 24, the door frame connecting member 22 is fixedly connected with the door frame 200, and specifically, the door frame connecting member 22 can be fixed to the door frame 200 by screws. The door frame fixing seat 21 is rotationally connected with the door leaf connecting mechanism 10, the door frame connecting piece 22 is connected with the door frame fixing seat 21 in a deflectable way, the third adjusting piece 24 is connected with the door frame fixing seat 21 and the door frame connecting piece 22 so as to drive the door frame connecting piece 22 to deflect relatively to the door frame fixing seat 21, and accordingly the door leaf connecting mechanism 10 connected with the door frame fixing seat 21 is driven to deflect relatively to the door frame connecting piece 22, namely, the door leaf 100 deflects relatively to the door frame 200, so that left and right adjustment of the three-dimensional adjustable hidden hinge 1 is realized, and the left and right adjustment precision is +/-3.0 mm. Namely, the three-dimensional adjustable hidden hinge 1 has a three-dimensional adjusting function.

It should be noted that, the number of the door frame fixing seat 21, the door frame connecting piece 22 and the third adjusting piece 24 is two, the two third adjusting pieces 24 can both drive the door leaf 100 to deflect relative to the door frame 200, and the gap between the door leaf 100 and the door frame 200 can be adjusted by the cooperation of the two third adjusting pieces 24.

The door frame fixing seat 21 comprises a door frame adjusting piece 212, wherein the door frame adjusting piece 212 is rotationally connected with the door leaf connecting mechanism 10, and the third adjusting piece 24 can drive the door frame connecting piece 22 to deflect relative to the door frame adjusting piece 212. The door frame regulating member 212 has a substantially rectangular plate-like structure. In the present embodiment, the number of the door frame regulating members 212 is two, and the two door frame regulating members 212 are spaced apart from each other and connected by a connecting rod.

The door frame connecting mechanism 20 includes a door frame rotating arm 26, the door frame rotating arm 26 is rotatably connected to the door leaf rotating arm 16, and the door leaf can rotate relative to the door frame 200 through the rotation of the door leaf rotating arm 16 relative to the door frame rotating arm 26. The door frame rotating arm 26 is movably connected with the door frame fixing seat 21 and can be abutted against the door frame adjusting piece 212, the door frame rotating arm 26 is slidably arranged on a limit groove formed in the door frame fixing seat 21 through a rubber sleeve (not shown), and specifically, the rubber sleeve is arranged at the end part of the door frame rotating arm 26 and is matched with the limit groove, so that the door frame rotating arm 26 can move along the extending direction of the limit groove.

In this embodiment, the door frame adjusting member 212 is provided with a limiting surface 2121, and the limiting surface 2121 is an inclined surface, and can be abutted against the door frame rotating arm 26, so as to limit the rotation of the door frame rotating arm 26. The rotation angle of the door frame rotation arm 26 can be controlled by changing the inclination angle of the limiting surface 2121 relative to the horizontal plane, so as to control the maximum opening angle of the three-dimensional adjustable hidden hinge 1. In this embodiment, the limiting surface 2121 can limit the rotation of the door frame rotating arm 26, so that the opening angle of the three-dimensional adjustable hidden hinge 1 is 180 ° at most. In other embodiments, the limiting surface 2121 may further make the opening angle of the three-dimensional adjustable hidden hinge 1 be 165 ° at maximum, and it can be understood that other angles such as 150 °, 175 ° may also be used, and may be specifically set according to practical situations.

The door frame connecting mechanism 20 further comprises a door frame bottom shell 27, the door frame bottom shell 27 is installed in a containing cavity preset in the door frame 200, and the size of the containing cavity is larger than that of the door frame bottom shell 27, so that the door frame bottom shell 27 can move in the containing cavity when the three-dimensional adjustable hidden hinge 1 is adjusted.

Referring to fig. 7, in the present embodiment, the door bottom shell 17 is provided with a first wire hole 171, the first wire hole 171 is used for setting a first wire terminal, the door bottom shell 27 is provided with a second wire hole 271, the second wire hole 271 can be used for setting a second wire terminal, the three-dimensional adjustable hidden hinge 1 can also be provided with a flat cable (not shown), wherein the flat cable can pass through the connecting rod, and two ends of the flat cable can be respectively electrically connected with the first wire terminal and the second wire terminal.

In summary, the three-dimensional adjustable hidden hinge 1 provided by the utility model comprises a door leaf connecting mechanism 10 and a door frame connecting mechanism 20, wherein the door leaf connecting mechanism 10 is rotatably connected to the door frame connecting mechanism 20 and has a rotation axis l along a first direction D1, the door leaf connecting mechanism 10 comprises a door leaf fixing seat 11, a door leaf connecting piece 12 and a first adjusting piece 13, the door leaf connecting piece 12 is movably connected to the door leaf fixing seat 11 and can move along the first direction D1 relative to the door leaf fixing seat 11, one of the door leaf connecting piece 12 and the door leaf fixing seat 11 is provided with a sliding block 121, the other is provided with a guide slot 1121 in sliding fit with the sliding block 121, and the first adjusting piece 13 is connected to the door leaf connecting piece 12 and can be abutted against the door leaf fixing seat 11 so as to drive the door leaf connecting piece 12 to move relative to the door leaf fixing seat 11. In this way, one of the door leaf connecting piece 12 and the door leaf fixing seat 11 is provided with the sliding block 121, and the other is provided with the guide groove 1121 in sliding fit with the sliding block 121, so that the door leaf connecting piece 12 cannot deviate or incline relative to the movement of the door leaf fixing seat 11, and the up-and-down adjustment reliability of the three-dimensional adjustable hidden hinge 1 is improved. In addition, the three-dimensional adjustable hidden hinge 1 can meet the requirement of a flat door with the maximum thickness of a door trim of 12mm and the maximum opening angle of 180 degrees, and can also meet the requirement of a tongue-and-groove door with the maximum opening angle of 165 degrees.

In the present utility model, the term "assembled" and the like should be construed broadly unless explicitly stated or limited otherwise. For example, the connection can be fixed connection, detachable connection or integral connection; may be a mechanical connection; the connection may be direct, indirect, or internal, or may be surface contact only, or may be surface contact via an intermediate medium. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for understanding as a specific or particular structure. The description of the term "some embodiments" means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In the present utility model, the schematic representations of the above terms are not necessarily for the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples of the present utility model and features of various embodiments or examples may be combined and combined by those skilled in the art without contradiction.

The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. The utility model provides a three-dimensional adjustable hidden hinge, its characterized in that includes door frame coupling mechanism and door leaf coupling mechanism, door leaf coupling mechanism rotationally connect in door frame coupling mechanism to have the axis of rotation along the first direction, wherein, door leaf coupling mechanism includes:

a door leaf fixing seat;

the door leaf connecting piece is movably connected to the door leaf fixing seat and can move along the first direction relative to the door leaf fixing seat, one of the door leaf connecting piece and the door leaf fixing seat is provided with a sliding block, and the other door leaf connecting piece and the door leaf fixing seat is provided with a guide groove in sliding fit with the sliding block; a kind of electronic device with high-pressure air-conditioning system

The first adjusting piece is connected to the door leaf connecting piece and can prop against the door leaf fixing seat so as to drive the door leaf connecting piece to move relative to the door leaf fixing seat.

2. The three-dimensional adjustable hidden hinge according to claim 1, wherein the door leaf connecting piece is provided with the sliding block, the door leaf fixing seat is provided with the guide groove, the door leaf fixing seat is further provided with a chute positioned in the guide groove, and the first adjusting piece can be abutted against the chute wall of the chute.

3. The three-dimensional adjustable hidden hinge according to claim 1, wherein the door leaf fixing seat is provided with a first stop portion, a second stop portion is arranged on one side of the door leaf connecting piece, which is close to the door leaf fixing seat, and the first stop portion is in fit contact with the second stop portion.

4. The three-dimensional adjustable hidden hinge of claim 3, wherein the first stop portion and the second stop portion are each a sliding tooth structure, and wherein an extension direction of the sliding tooth structure intersects the first direction.

5. The three-dimensional adjustable hidden hinge according to claim 1, wherein the door leaf fixing base comprises a door leaf adjusting member and a door leaf fixing member, the door leaf adjusting member is rotatably connected with the door frame connecting mechanism, the door leaf connecting member is movably connected with the door leaf fixing member, the door leaf fixing member can move along a second direction relative to the door leaf adjusting member, and the first direction is different from the second direction.

6. The three-dimensional adjustable hidden hinge of claim 5, wherein the door leaf fixing seat further comprises a second adjusting member, wherein the second adjusting member is connected to the door leaf adjusting member and is matched with the door leaf fixing member so as to drive the door leaf fixing member to move along the second direction relative to the door leaf adjusting member.

7. The three-dimensional adjustable hidden hinge according to claim 6, wherein the second adjusting member is rotatably connected to the door leaf adjusting member, a plurality of teeth are provided on an outer circumferential surface of the second adjusting member, the door leaf fixing member is provided with a plurality of teeth, the teeth are sequentially arranged along the second direction, and the teeth are engaged with the teeth.

8. The three-dimensional adjustable hidden hinge according to claim 5, wherein one of the door leaf fixing member and the door leaf adjusting member is provided with a sliding groove extending in the second direction, and the other is provided with a tooth, and the tooth is at least partially disposed in the sliding groove and is capable of sliding in the second direction.

9. The three-dimensional adjustable hidden hinge of claim 1, wherein the door frame connecting mechanism comprises a door frame fixing seat, a door frame connecting member and a third adjusting member, the door frame fixing seat is rotatably connected with the door leaf connecting mechanism, the door frame connecting member is connected with the door frame fixing seat in a deflectable manner, and the third adjusting member is connected with the door frame fixing seat and the door frame connecting member so as to drive the door frame connecting member to deflect relative to the door frame fixing seat.

10. The three-dimensional adjustable hidden hinge according to any one of claims 1-9, wherein the door leaf connection mechanism further comprises a door leaf rotation arm movably connected to a door leaf mounting bracket, the door frame connection mechanism comprises a door frame rotation arm rotatably connected to the door leaf rotation arm.