CN220790936U - Concealed hinge - Google Patents

Concealed hinge Download PDF

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Publication number
CN220790936U
CN220790936U CN202321519788.8U CN202321519788U CN220790936U CN 220790936 U CN220790936 U CN 220790936U CN 202321519788 U CN202321519788 U CN 202321519788U CN 220790936 U CN220790936 U CN 220790936U
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hinge
connecting block
hidden
hinged
arm
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CN202321519788.8U
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Chinese (zh)
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欧阳锦泰
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Jiangmen Situwan Metal Products Co ltd
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Jiangmen Situwan Metal Products Co ltd
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Abstract

The application discloses a hidden hinge, including installing the first hinge on the door plant and installing the second hinge on the door frame, be provided with the articulated arm between first hinge and the second hinge, the articulated arm is including first bridge arm and second bridge arm; the first bridge arm consists of a first connecting block and a second connecting block, one end of the first connecting block is hinged on the first hinge, the other end of the first connecting block is hinged with the second connecting block through a first hinge shaft, and the second connecting block is hinged with the second hinge; the second bridge arm consists of a third connecting block and a fourth connecting block, one end of the third connecting block is hinged to the first hinge, the other end of the third connecting block is hinged to the fourth connecting block through a second hinge shaft, and the fourth connecting block is hinged to the second hinge; wherein, first articulated shaft and second articulated shaft dislocation arrangement. The hidden hinge can be used for achieving smaller size, more convenient installation and better rotation effect on the premise of the door plate with the same specification compared with the existing product.

Description

Concealed hinge
Technical Field
The application relates to the field of door and window accessories, in particular to a hidden hinge for doors and windows.
Background
Door hinges are used for the movable connection between a door panel and a door frame to allow the door to be opened or closed. The hidden hinge is one kind of door hinge, and the hidden hinge includes two hinges and the articulated arm of swing joint two hinges. Two hinges of the hidden hinge are arranged in the through holes by arranging the through holes on the door plate and/or the door frame. When the door is closed, the hinge arm of the hidden hinge is also completely retracted into the through hole, the whole door hinge is hidden, no part exposed outside is left, the attractive appearance is improved, and meanwhile, people outside the door cannot contact any part of the hidden hinge, so that the safety is improved.
However, the hinge arm of the existing hidden hinge is often an integral piece with radian, the movement track is poor, the overhanging distance in the open state is short, the applicability of the hinge is affected, and the storage space required in the closed state is large, so that the hidden hinge has larger volume and is inconvenient to install; and the hinge arm of the existing hidden hinge adopts a long hinge shaft to be connected with the hinge, has poor rotation rigidity, and limits the upper limit of bearing the weight of the door plate.
Disclosure of Invention
In order to solve one of the technical problems existing in the prior art, the application provides a hidden hinge, wherein an articulated arm comprises a plurality of bridge arms, each bridge arm is of a foldable structure formed by a plurality of connecting blocks, the motion track of the articulated arm is optimized, a plurality of dislocated short articulated shafts are arranged at the same time, the rotation rigidity of a product is enhanced, and the upper limit of the weight of a door plate born by the product is improved.
According to the hidden hinge disclosed by the embodiment of the first aspect of the utility model, the hidden hinge comprises a first hinge arranged on a door plate and a second hinge arranged on a door frame, at least one of the first hinge and the second hinge is provided with a storage groove, a hinge arm is arranged between the first hinge and the second hinge, the hinge arm is respectively and movably connected with the first hinge and the second hinge, and when the first hinge and the second hinge are closed, the hinge arm is stored in the storage groove;
the articulated arm comprises a first bridge arm and a second bridge arm;
the first bridge arm consists of a first connecting block and a second connecting block, one end of the first connecting block is hinged to the first hinge, the other end of the first connecting block is hinged to the second connecting block through a first hinge shaft, and the other end of the second connecting block is hinged to the second hinge;
the second bridge arm consists of a third connecting block and a fourth connecting block, one end of the third connecting block is hinged to the first hinge, the other end of the third connecting block is hinged to the fourth connecting block through a second hinge shaft, and the other end of the fourth connecting block is hinged to the second hinge;
the first hinge shaft and the second hinge shaft are arranged in a staggered mode.
The hidden hinge according to the embodiment of the first aspect of the utility model has at least the following beneficial effects: the hinge arm of the hidden hinge comprises a first bridge arm and a second bridge arm, wherein the first bridge arm and the second bridge arm are composed of a plurality of connecting blocks and are of foldable structures, the motion track of the hinge arm is optimized, the extending distance of the hinge arm is long in the open state of the hidden hinge, the applicability of the hinge arm is improved, the hinge arm is folded and stored in the closed state of the hidden hinge, the required storage space is small, the depth of a storage groove in the hinge can be reduced, and the hinge is favorable for being matched with shallower through holes. Meanwhile, the articulated arm of this scheme sets up a plurality of articulated shafts that misplace each other, and the setting of misplacement further reduces the articulated arm to the demand of accommodation space, and a plurality of shorter articulated shafts can strengthen the product and rotate rigidity, improves its upper limit that bears the door plant weight. The hidden hinge can be used for achieving smaller size, more convenient installation and better rotation effect on the premise of the door plate with the same specification compared with the existing product.
According to the hidden hinge of the first aspect of the present utility model, the width a of the first bridge arm is greater than or equal to the width a of the second bridge arm.
According to the hidden hinge of the first aspect of the present utility model, the second bridge arm is provided with two, the two second bridge arms are respectively arranged at two sides of the first bridge arm. The symmetrical arrangement of the second bridge arms can improve the attractiveness of the product, and meanwhile, the plurality of second bridge arms can effectively strengthen the bearing capacity of the product.
According to the hidden hinge of the first aspect of the present utility model, the first leg and the second leg are each provided with a plurality of, the first bridge arms and the second bridge arms are arranged in a staggered mode, and through the arrangement, the bearing capacity of the product is further improved, so that the door plate with heavier weight is adapted.
According to the hidden hinge of the first aspect of the utility model, the first hinge shaft is close to the first hinge, and the second hinge shaft is close to the second hinge; when the hidden hinge is opened until the first hinge and the second hinge are in a horizontal state, the hinge arm is provided with a horizontal section, and the horizontal section is positioned between the horizontal distances of the first hinge shaft and the second hinge shaft. The articulated arm of this scheme adopts a plurality of folding bridge arm structures, is provided with the horizontal segment on the articulated arm, and the overhanging distance of articulated arm is longer when can making hidden hinge open, can reduce the volume after the articulated arm is folding simultaneously to reduce the degree of depth of hinge.
According to the hidden hinge disclosed by the first aspect of the utility model, the first hinge is provided with the first mounting sheet, the first connecting block is hinged with the first mounting sheet through the third hinge shaft, and the third connecting block is hinged with the first mounting sheet through the fourth hinge shaft;
the second hinge is provided with a second mounting piece, the second connecting block is hinged with the second mounting piece through a fifth hinge shaft, and the fourth connecting block is hinged with the second mounting piece through a sixth hinge shaft.
According to the hidden hinge of the first aspect of the utility model, the third hinge shaft and the fourth hinge shaft are arranged in a staggered manner, and the fifth hinge shaft and the sixth hinge shaft are arranged in a staggered manner. Through the structure, the rotational rigidity of the product is further improved, and meanwhile, the folding storage of the matched bridge arm is facilitated.
According to the hidden hinge disclosed by the utility model, the first hinge and the second hinge are internally provided with the adjusting devices respectively, and the adjusting devices adjust the positions of the articulated arms relative to the first hinge and the second hinge through adjusting the positions of the first mounting piece and the second mounting piece.
According to the hidden hinge disclosed by the utility model, the first hinge and the second hinge are both provided with the storage grooves, and further, the storage grooves on the first hinge and the second hinge are the same in size, so that the problem of difficult hole opening caused by oversized edges is avoided.
According to the hidden hinge disclosed by the first aspect of the utility model, the first hinge, the second hinge and the hinge arm are made of stainless steel, so that the hidden hinge is firm and durable.
Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application. The objectives and other advantages of the application will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings are included to provide a further understanding of the technical aspects of the present application, and are incorporated in and constitute a part of this specification, illustrate the technical aspects of the present application and together with the examples of the present application, and not constitute a limitation of the technical aspects of the present application.
Fig. 1 is a front view of the hidden hinge open state of the first embodiment.
Fig. 2 is a perspective view of the hidden hinge in an opened state of the first embodiment.
Fig. 3 is a perspective view of the closed state of the hidden hinge of the first embodiment.
Fig. 4 is a schematic structural view of the hinge arm of the first embodiment in an opened state.
Fig. 5 is a schematic structural view of the hinge arm of the first embodiment in a closed state.
Fig. 6 is a schematic structural view of the hidden hinge in an opened state of the second embodiment.
Reference numerals illustrate:
a first hinge 100, a receiving groove 101, a mounting hole 102, a first adjustment hole 103, and a first concave-convex structure 104; a first mounting plate 110;
a second hinge 200, a second adjustment hole 203, a second concave-convex structure 204, and a second mounting piece 210;
articulated arm 300, first leg 310, first connection block 311, second connection block 312, first articulation shaft 313, third articulation shaft 314, fifth articulation shaft 315, second leg 320, third connection block 321, fourth connection block 322, second articulation shaft 323, fourth articulation shaft 324, and sixth articulation shaft 325.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the term "connected" should be construed broadly, and for example, it may be a fixed connection or an active connection, or it may be a detachable connection or a non-detachable connection, or it may be an integral connection; may be mechanically connected, may be electrically connected, or may be in communication with each other; can be directly connected or indirectly connected through intermediate media and intermediate structures, and can be communication between the two elements, indirect communication or interaction relationship between the two elements.
In the description of the present application, the meaning of a plurality means one or more, the meaning of a plurality (or a plurality of) means two or more, and it is understood that greater than, less than, exceeding, etc. does not include the present number, and that greater than, less than, within, etc. is understood to include the present number. If any, the terms "first," "second," etc. are used for distinguishing between technical features only, and should not be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
Embodiments of the present application are further described below with reference to the accompanying drawings.
Referring to fig. 1-5, the present application provides a first embodiment, an embodiment of a hidden hinge, comprising a first hinge 100, a second hinge 200, and an articulating arm 300. The first hinge 100, the second hinge 200, and the hinge arms 300 are preferably made of stainless steel, and are sturdy and durable.
Referring to fig. 1 and 2, it is easily conceivable that the first hinge 100 is configured to be mounted on a door panel, a mounting hole 102 configured to be fixedly connected to the door panel is provided in the first hinge 100, and a receiving groove 101 is further provided in the first hinge 100. The second hinge 200 is used for being mounted on a door frame, and the second hinge 200 is also provided with a receiving groove 101 and a mounting hole 102.
Preferably, the receiving groove 101 of the first hinge 100 and the receiving groove 101 of the second hinge 200 have the same size.
Further, in other embodiments, the receiving groove 101 may be provided only in one of the first hinge 100 and the second hinge 200.
As shown in fig. 1 and 2, the hinge arm 300 is disposed between the first hinge 100 and the second hinge 200. Hinge arm 300 includes a first leg 310 and a second leg 320. By providing more than two bridge arms, the hinge arms 300 can be subdivided, thereby replacing the existing longer hinge shaft with a plurality of shorter hinge shafts and improving the rotational rigidity and the upper bearing limit of the product.
As shown in fig. 1 and 2, in the present embodiment, two second bridge arms 320 are provided, and the two second bridge arms 320 are symmetrically arranged on both sides of the first bridge arm 310. The symmetrical arrangement of the second bridge arms 320 can improve the aesthetic degree of the product, and meanwhile, the plurality of second bridge arms 320 can effectively strengthen the bearing capacity of the product.
Moreover, it is readily appreciated that in other embodiments, first leg 310 and second leg 320 may be provided in multiple, staggered arrangement of first leg 310 and second leg 320, by which the load bearing capacity of the product can be further enhanced to accommodate heavier door panels.
Specifically, as shown in fig. 2 and 4, the first bridge arm 310 is composed of a first connection block 311 and a second connection block 312, one end of the first connection block 311 is hinged on the first hinge 100 through a third hinge shaft 314, the other end of the first connection block 311 is hinged with the second connection block 312 through a first hinge shaft 313, and the other end of the second connection block 312 is hinged with the second hinge 200 through a fifth hinge shaft 315. The second bridge arm 320 is composed of a third connection block 321 and a fourth connection block 322, one end of the third connection block 321 is hinged on the first hinge 100 through a fourth hinge shaft 324, the other end of the third connection block 321 is hinged with the fourth connection block 322 through a second hinge shaft 323, and the other end of the fourth connection block 322 is hinged with the second hinge 200 through a sixth hinge shaft 325. Through the structure, the first bridge arm 310 and the second bridge arm 320 are all foldable structures formed by hinging a plurality of connecting blocks, so that folding and storage are facilitated, the extending distance during opening can be increased, and the applicability of products is improved. As shown in fig. 3 and 5, the storage volume can be effectively reduced after the first arm 310 and the second arm 320 are folded.
Referring to fig. 1 to 5, in the present embodiment, the first hinge shaft 313 and the second hinge shaft 323 are arranged in a staggered manner, and specifically, the first hinge shaft 313 is adjacent to the first hinge 100 and the second hinge shaft 323 is adjacent to the second hinge 200. The staggered arrangement further reduces the demand of the hinge arms 300 on the storage space, reduces the depth of the storage groove 101 in the hinge, is favorable for being matched with shallower through holes, and reduces the difficulty of opening holes in the door plate and the door frame.
Further, as shown in fig. 2, in the present embodiment, when the hidden hinge is opened until the first hinge 100 and the second hinge 200 are in a horizontal state, a horizontal section is provided on the hinge arm 300, and the horizontal section is located between the horizontal distances of the first hinge shaft 313 and the second hinge shaft 323. The articulated arm 300 of this scheme adopts a plurality of folding bridge arm structures, is provided with the horizontal segment on articulated arm 300, can make the overhanging distance of articulated arm 300 longer when hidden hinge is opened, can reduce the volume after articulated arm 300 is folded simultaneously to reduce the degree of depth of hinge. For example, this scheme provides a hidden hinge suitable for 60kg weight door plant, is provided with the horizontal segment on the articulated arm 300, and after the articulated arm 300 was opened completely, the horizontal distance between two hinges can reach 8cm, guarantees that the size of opening the door is the biggest.
Further, as shown in fig. 4, in the present embodiment, the third hinge shaft 314 and the fourth hinge shaft 324 are arranged in a staggered manner, and the fifth hinge shaft 315 and the sixth hinge shaft 325 are arranged in a staggered manner. Through the structure, the rotational rigidity of the product is further improved, and meanwhile, the folding storage of the matched bridge arm is facilitated.
As shown in fig. 1 and 2, in the present embodiment, the width a of the first arm 310 is greater than the width a of the second arm 320. In this embodiment, the first bridge arm 310 is used as the main bearing bridge arm, and the second bridge arm 320 is used as the auxiliary bearing bridge arm, so that the product structure is more reasonable and attractive.
Furthermore, it is readily appreciated that in other embodiments, width a of first leg 310 may also be equal to width a of second leg 320.
Referring to fig. 6, in a second embodiment of the present utility model, a hidden hinge is provided, where the hidden hinge includes a first hinge 100, a second hinge 200, and an articulated arm 300, and the articulated arm 300 includes a first bridge arm 310 and a second bridge arm 320. The hidden hinge of this embodiment is mostly consistent with the hidden hinge structure provided in the first embodiment, and is different in that the first hinge 100 of this embodiment is provided with the first concave-convex structure 104, the second hinge 200 is provided with the second concave-convex structure 204, and the two concave-convex structures are mutually matched, so that the hidden hinge can be locked when closed, and the hidden hinge and the first hinge can be better matched, and meanwhile, other locking structures are not required, so that the manufactured structure and materials can be saved, the cost is reduced, the thickness of the hidden hinge is reduced, and the volume of the hidden hinge is further reduced.
The hinge arm 300 of the hidden hinge comprises a first bridge arm 310 and a second bridge arm 320, wherein the first bridge arm 310 and the second bridge arm 320 are all composed of a plurality of connecting blocks, the hinge arm 300 is of a foldable structure, the motion track of the hinge arm 300 is optimized, the extending distance of the hinge arm 300 is long in the open state of the hidden hinge, the applicability of the hinge is improved, the hinge arm 300 is folded and stored in the closed state of the hidden hinge, the required storage space is small, the depth of a storage groove 101 in the hinge can be reduced, and the hinge is favorable for being matched with shallower through holes. Meanwhile, the hinge arm 300 of the present embodiment is provided with a plurality of hinge shafts which are staggered with each other, and a plurality of shorter hinge shafts can strengthen the rotational rigidity of the product and increase the upper limit of the weight of the door panel. The hidden hinge can be used for achieving smaller size, more convenient installation and better rotation effect on the premise of the door plate with the same specification compared with the existing product.
Further, referring to fig. 2, 4, 5 and 6, in both embodiments of the present utility model, the first hinge 100 is provided with a first adjusting hole 103, the second hinge 200 is provided with a second adjusting hole 203, and the first adjusting hole 103 and the second adjusting hole 203 are respectively provided with an adjusting device. Meanwhile, the first hinge 100 is provided with a first mounting piece 110, the first connection block 311 is hinged to the first mounting piece 110 through a third hinge shaft 314, and the third connection block 321 is hinged to the first mounting piece 110 through a fourth hinge shaft 324. The second hinge 200 is provided with a second mounting plate 210, the second connection block 312 is hinged to the second mounting plate 210 through a fifth hinge shaft 315, and the fourth connection block 322 is hinged to the second mounting plate 210 through a sixth hinge shaft 325. The adjusting device adjusts the positions of the hinge arms 300 with respect to the first hinge 100 and the second hinge 200 by adjusting the positions of the first mounting piece 110 and the second mounting piece 210.
While the preferred embodiments of the present application have been described in detail, the present application is not limited to the above embodiments, and various equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit and scope of the present application, and these equivalent modifications and substitutions are intended to be included in the scope of the present application as defined in the appended claims.

Claims (10)

1. The hidden hinge comprises a first hinge arranged on a door plate and a second hinge arranged on a door frame, wherein at least one of the first hinge and the second hinge is provided with a storage groove, a hinge arm is arranged between the first hinge and the second hinge and is respectively and movably connected with the first hinge and the second hinge, and when the first hinge and the second hinge are closed, the hinge arm is stored in the storage groove;
the hinge arm is characterized by comprising a first bridge arm and a second bridge arm;
the first bridge arm consists of a first connecting block and a second connecting block, one end of the first connecting block is hinged to the first hinge, the other end of the first connecting block is hinged to the second connecting block through a first hinge shaft, and the other end of the second connecting block is hinged to the second hinge;
the second bridge arm consists of a third connecting block and a fourth connecting block, one end of the third connecting block is hinged to the first hinge, the other end of the third connecting block is hinged to the fourth connecting block through a second hinge shaft, and the other end of the fourth connecting block is hinged to the second hinge;
the first hinge shaft and the second hinge shaft are arranged in a staggered mode.
2. The hidden hinge of claim 1, wherein a width a of the first leg is equal to or greater than a width a of the second leg.
3. The hidden hinge according to claim 1 or 2, wherein two second bridge arms are provided, the two second bridge arms being arranged on both sides of the first bridge arm, respectively.
4. The hidden hinge of claim 1 or 2, wherein the first leg and the second leg are each provided in plurality, and the first leg and the second leg are staggered.
5. The hidden hinge of claim 1, wherein the first hinge axis is proximate the first hinge and the second hinge axis is proximate the second hinge;
when the hidden hinge is opened until the first hinge and the second hinge are in a horizontal state, a horizontal section is arranged on the hinge arm and is positioned between the horizontal distances of the first hinge shaft and the second hinge shaft.
6. The hidden hinge of claim 1, wherein:
the first hinge is provided with a first mounting plate, the first connecting block is hinged with the first mounting plate through a third hinge shaft, and the third connecting block is hinged with the first mounting plate through a fourth hinge shaft;
the second hinge is provided with a second mounting piece, the second connecting block is hinged with the second mounting piece through a fifth hinge shaft, and the fourth connecting block is hinged with the second mounting piece through a sixth hinge shaft.
7. The hidden hinge of claim 6, wherein the third hinge shaft and the fourth hinge shaft are arranged in a staggered manner, and the fifth hinge shaft and the sixth hinge shaft are arranged in a staggered manner.
8. The hidden hinge of claim 6, wherein an adjustment device is disposed in each of the first hinge and the second hinge, and wherein the adjustment device adjusts the position of the hinge arm relative to the first hinge and the second hinge by adjusting the positions of the first mounting tab and the second mounting tab.
9. The hidden hinge of claim 1, wherein the first hinge and the second hinge are each provided with a receiving slot.
10. The hidden hinge of claim 1, wherein the first hinge, the second hinge, and the hinge arm are fabricated from stainless steel.
CN202321519788.8U 2023-06-14 2023-06-14 Concealed hinge Active CN220790936U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321519788.8U CN220790936U (en) 2023-06-14 2023-06-14 Concealed hinge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321519788.8U CN220790936U (en) 2023-06-14 2023-06-14 Concealed hinge

Publications (1)

Publication Number Publication Date
CN220790936U true CN220790936U (en) 2024-04-16

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Application Number Title Priority Date Filing Date
CN202321519788.8U Active CN220790936U (en) 2023-06-14 2023-06-14 Concealed hinge

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116771224A (en) * 2023-06-14 2023-09-19 江门市思图万金属制品有限公司 Concealed hinge

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116771224A (en) * 2023-06-14 2023-09-19 江门市思图万金属制品有限公司 Concealed hinge
CN116771224B (en) * 2023-06-14 2025-08-22 江门市思图万金属制品有限公司 Concealed hinges

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