Three-dimensional adjustable concealed hinge

Abstract

The present invention provides a three-dimensional adjustable concealed hinge, comprising: a first page part, a second page part and a hinge mechanism. The first page part includes a first bottom shell, a four-direction adjustment main body and a slider. The first bottom shell has a first accommodation groove, the four-direction adjustment main body is arranged in the first accommodation groove, the four-direction adjustment main body is provided with a sliding groove, the slider is inserted into the sliding groove and can move relative to the four-direction adjustment main body in the front-back direction, and can drive the four-direction adjustment main body to move relative to the first bottom shell in the up-down direction; the second page part includes a second bottom shell and a left-right adjustment main body, the second bottom shell is provided with a second accommodation groove, the left-right adjustment main body is embedded in the second accommodation groove and can move left and right relative to the second bottom shell; two ends of the hinge mechanism are respectively connected to the four-direction adjustment main body and the left-right adjustment main body. By moving one slider, the adjustment in four directions of front-back, up-down can be realized, the structure is simple, materials are saved, and the adjustment is also convenient, which helps to improve the installation accuracy.

Description

Technical Field

[0001] The present invention relates to the technical field of hardware fittings. Specifically, the present invention relates to a three-dimensional adjustable concealed hinge. Background Art

[0002] A concealed door hinge is a mechanical device used to connect a door frame and a door leaf and allow relative rotation between the two. And the concealed door hinge is not easily observable during use. The technical means adopted is to slot the connecting sides of the door frame and the door leaf, and hide the hinge bottom shell (the fan leaf bottom shell installed on the door leaf and the frame leaf bottom shell installed on the door frame) in the side slots of the door leaf or the door frame. A hinge accommodation groove is provided in the hinge bottom shell, hinge seats are provided at both ends of the accommodation groove to support both ends of the hinge shaft, and a track groove is opened on the hinge seat. When the hinge is opened or closed, the hinge shaft can move correspondingly in the track groove.

[0003] After the installation and debugging of the concealed door hinge are completed, a tight fit between the door and the door gap can be achieved. When the door frame and the door leaf are in the same plane, people can hardly observe the existence of the hinge between the door and the door gap. However, since concealed door hinges are mostly used in high-end residences or commercial areas, the requirement for installation accuracy is relatively high. Therefore, installers often need to repeatedly debug during work so that the door leaf and the door frame can be as flush as possible in the same plane, the gap between the door leaf and the door frame can be minimized, and the distance between the door leaf and the ground after installation can be accurately controlled. Therefore, these debugging processes often take a lot of time for workers, with low debugging efficiency and difficult to guarantee installation accuracy. Summary of the Invention

[0004] The purpose of the present invention is to provide a three-dimensional adjustable concealed hinge with a simple structure, convenient adjustment, and improved installation accuracy.

[0005] To achieve the above purpose, the present invention provides the following technical solutions:

[0006] The present invention provides a three-dimensional adjustable concealed hinge, including: a first page part and a second page part respectively used for installation on a door frame and a door leaf, and a hinge mechanism connected between the first page part and the second page part. The first page part includes a first bottom shell, a four-direction adjustment main body, and a slider. The first bottom shell has a first accommodation groove. The four-direction adjustment main body is arranged in the first accommodation groove and can slide in the up-down direction and the front-back direction. The four-direction adjustment main body is provided with a chute. The slider is inserted into the chute and can move relative to the four-direction adjustment main body in the front-back direction, and can drive the four-direction adjustment main body to move relative to the bottom shell in the up-down direction. The second page part includes a second bottom shell and a left-right adjustment main body. The second bottom shell is provided with a second accommodation groove. The left-right adjustment main body is embedded in the second accommodation groove and can move left and right relative to the second bottom shell. Both ends of the hinge mechanism are respectively connected to the four-direction adjustment main body and the left-right adjustment main body.

[0007] In one embodiment, the slider is provided with an up-and-down adjustment hole extending in the up-and-down direction at one end near the end of the first accommodation groove, and an up-and-down adjustment screw threadedly connected to the first bottom shell is inserted therein; the slider is provided with a front-and-back adjustment hole extending in the front-and-back direction at the other end, and a front-and-back adjustment screw threadedly connected to the four-direction adjustment body is inserted therein.

[0008] In one embodiment, a pair of clamping plates extending towards the four-direction body are provided at one end of the slider away from the up-and-down adjustment hole. The pair of clamping plates define a clamping groove having the same extending direction as that of the front-and-back adjustment hole. A clamping portion is provided at a position of the four-direction adjustment body corresponding to the clamping groove, and the clamping portion is clamped in the clamping groove.

[0009] In one embodiment, the slider is further provided with an up-and-down locking hole on one side of the up-and-down adjustment hole. The up-and-down locking hole is a threaded hole penetrating the slider, and an up-and-down locking screw that abuts against the bottom shell is inserted therein.

[0010] In one embodiment, the opposite sides of the sliding groove are bent towards each other to form a front-and-back locking portion. A threaded hole is provided in the front-and-back locking portion, and a front-and-back locking screw for fastening the slider and the four-direction adjustment body is inserted therein.

[0011] In one embodiment, there are two sliders. One slider is provided at each of the two ends of the four-direction adjustment body along the length direction. The two sliders are correspondingly inserted into the two sliding grooves one by one.

[0012] In one embodiment, the left-and-right adjustment body is provided with a left-and-right adjustment hole. The left-and-right adjustment hole penetrates the left-and-right adjustment body in the left-and-right direction, and a left-and-right adjustment screw with one end abutted against the second bottom shell is inserted therein. The left-and-right adjustment screw is used to drive the left-and-right adjustment body to move relative to the second bottom shell in the left-and-right direction when it rotates.

[0013] In one embodiment, the left-and-right adjustment body is provided with a head-concealing groove, and the head of the left-and-right adjustment screw is embedded in the head-concealing groove.

[0014] In one embodiment, the left-and-right adjustment holes are provided at both ends of the left-and-right adjustment body along the up-and-down direction, and the left-and-right adjustment screws are arranged therein.

[0015] In one embodiment, decorative covers are connected to the positions of the first bottom shell corresponding to the sliders and the positions of the second bottom shell corresponding to both ends of the left-and-right adjustment body.

[0016] The beneficial effects brought by the technical solution provided by the present invention are as follows: In the three-dimensional adjustable concealed hinge of the present invention, the adjustment in the front-back direction and the up-down direction is integrated in the first page part, the left-right adjustment is set in the second page part, and a slider is arranged in the first page part to cooperate with the four-direction adjustment main body and the first bottom shell. By moving the slider, the relative position relationship between the four-direction adjustment main body and the first bottom shell is changed, so as to realize the adjustment in four directions. The multi-direction movement adjustment is realized through one component, which saves materials, has a simple and light structure, and is also convenient for debugging, which is beneficial to improving the installation accuracy of the door leaf. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings required for description in the embodiments of the present invention.

[0018] Figure 1 The three-dimensional adjustable concealed hinge provided by an embodiment of the present invention;

[0019] Figure 2 is Figure 1 the exploded view of the three-dimensional adjustable concealed hinge shown;

[0020] Figure 3 The three-dimensional view of the slider provided by an embodiment of the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] The following will describe the embodiments of the present invention in more detail with reference to the drawings. Although some embodiments of the present invention are shown in the drawings, it should be understood that the present invention can be implemented in various forms and should not be construed as limited to the embodiments described herein. On the contrary, these embodiments are provided to more thoroughly and completely understand the present invention. It should be understood that the drawings and embodiments of the present invention are only for exemplary purposes and are not used to limit the protection scope of the present invention.

[0022] It should be understood that the steps recorded in the method embodiments of the present invention can be executed in different orders and / or executed in parallel. In addition, the method embodiments may include additional steps and / or omit the steps shown. The scope of the present invention is not limited in this regard.

[0023] The term "including" and its variations used herein are open-ended, that is, "including but not limited to". The term "connection" can be a direct connection or an indirect connection through an intermediate component (element). The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments". The relevant definitions of other terms will be given in the following description.

[0024] It should be noted that the concepts such as "first" and "second" mentioned in the present invention are only used to distinguish devices, modules or units, and are not used to limit that these devices, modules or units must be different devices, modules or units, nor are they used to limit the order or interdependence relationship of the functions performed by these devices, modules or units.

[0025] See Figures 1 to 3 , the present invention relates to a three-dimensional adjustable concealed hinge, which is used to be installed between a door leaf and a door frame to realize the hinge connection between the door leaf and the door frame, and when the door frame and the door leaf are in the same plane, people can hardly observe the existence of the hinge between the door and the door seam, so as to achieve the effect of a concealed hinge.

[0026] The concealed hinge includes a first page part 1 and a second page part 2, and a hinge mechanism 3 connected between the first page part and the second page part. The first page part is used to be installed in a groove on the side of the door frame, and the second page part is used to be installed in a preset groove on the side of the door leaf. Both the first page part and the second page part include a bottom shell and an adjustment body. The adjustment bodies of the first page part and the second page part are respectively connected to the hinge mechanism, so that the two page parts are hinged. Among them, the relative position between the adjustment body and the bottom shell can be adjusted, and specifically, it can realize the adjustment in three-dimensional directions of the front-back direction, the up-down direction and the left-right direction.

[0027] For the convenience of description and understanding, in the present invention, the direction perpendicular to the surface of the door leaf (i.e., the front surface and the back surface) is defined as the front-back direction, the width direction of the door leaf is defined as the left-right direction, and the height direction of the door leaf is defined as the up-down direction.

[0028] The bottom shell of the first page part 1 is the first bottom shell 11, which has a first accommodation groove 111; the adjustment body of the first page part 1 is a four-direction adjustment body 12, which is arranged in the first accommodation groove 111 and can move relative to the first bottom shell 11 in the front-back direction and the up-down direction, that is, along the width direction and the length direction of the first accommodation groove 111. The side of the four-direction adjustment body 12 close to the hinge mechanism is pivotally connected to the hinge mechanism, so as to realize the adjustment of the door leaf in four directions of up-down and front-back.

[0029] The bottom shell of the second page part 2 is the second bottom shell 21, which has a second accommodation groove 211. The adjustment body is a left-right adjustment body 22, which is arranged in the second accommodation groove 211 and can move in the left-right direction, that is, along the depth direction of the second accommodation groove 211. The side of the left-right adjustment body 22 close to the hinge mechanism is pivotally connected to the hinge mechanism, so as to realize the adjustment of the door leaf in the left-right direction.

[0030] The first page part 1 is further provided with a slider 13, an up-and-down adjustment screw 14 and a front-and-back adjustment screw 15 that are all passed through the slider 13. One end of the slider 13 close to the end of the first bottom shell 11 is provided with an up-and-down adjustment hole 131, and the up-and-down adjustment hole 131 extends in the up-and-down direction. The up-and-down adjustment screw 14 passes through the up-and-down adjustment hole 131 and is threadedly connected to the threaded hole 112 of the first bottom shell 11, so that the position between the slider 13 and the first bottom shell 11 can be adjusted by adjusting the position of the up-and-down adjustment screw 14 in the up-and-down adjustment hole 131. The other end of the slider 13 is provided with a front-and-back adjustment hole 132, and the front-and-back adjustment hole 132 extends in the front-and-back direction. The front-and-back adjustment screw 15 is passed through the front-and-back adjustment hole 132.

[0031] The four-direction adjustment main body 12 is provided with a sliding groove 120 that cooperates with the slider 13. One end of the slider 13 is inserted into the sliding groove 120 and can slide back and forth relative to the four-direction adjustment main body 12 along the sliding groove 120, so as to realize the position adjustment between the slider 13 and the four-direction adjustment main body 12, and further realize the position adjustment between the four-direction adjustment main body 12 and the first bottom shell 11. Among them, the end of the front-and-back adjustment screw 15 passing through the front-and-back adjustment hole 132 is threadedly connected to the threaded hole 121 of the four-direction adjustment main body 12. By adjusting the position of the front-and-back adjustment screw 15 in the front-and-back adjustment hole 132, the position adjustment between the slider 13 and the four-direction adjustment main body 12 is realized, and the position of the four-direction adjustment main body 12 relative to the first bottom shell 11 is adjusted in the front-and-back direction, and further the front-and-back position of the door leaf is adjusted.

[0032] Thus, through the movement of one slider 13, the position adjustment between the slider 13 and the four-direction adjustment main body 12 and the first bottom shell 11 is realized, and further the position of the four-direction adjustment main body 12 relative to the first bottom shell 11 is changed in the front-and-back direction and the up-and-down direction, realizing the adjustment of the door leaf in four directions of the front-and-back direction and the up-and-down direction. The components required for adjustment are few, saving materials, and the structure of the concealed hinge is also simpler, facilitating adjustment and being beneficial to improving the installation accuracy.

[0033] The left-and-right adjustment main body 22 is provided with a left-and-right adjustment hole 221. The left-and-right adjustment hole 221 penetrates the left-and-right adjustment main body 22 in the left-and-right direction, and a left-and-right adjustment screw 23 with one end abutted against the second bottom shell 21 is inserted therein. The left-and-right adjustment screw 23 is relatively fixed to the left-and-right adjustment main body 22 in the left-and-right direction and is used to drive the left-and-right adjustment main body 22 to move relative to the second bottom shell 21 in the left-and-right direction when it rotates, thereby realizing the left-and-right adjustment of the door leaf.

[0034] Thus, by using the concealed hinge of the present invention, three-dimensional adjustment of the door leaf in the front-and-back, up-and-down, and left-and-right directions can be realized, which helps to reduce the gaps between the door leaf and the door frame in the above three-dimensional directions.

[0035] Please combine Figure 3, in one embodiment, a pair of clamping plates 134 extending towards the four-direction adjustment main body 12 are provided at one end of the slider 13 away from the vertical adjustment hole 131. The pair of clamping plates define a clamping groove having the same extending direction as that of the front-back adjustment hole 132. A clamping portion 123 is provided at a position of the four-direction adjustment main body 12 corresponding to the clamping groove, and the clamping portion is clamped in the clamping groove. Thus, through the mutual cooperation between the clamping portion and the clamping groove, the slider 13 is guided during the front-back sliding of the slider 13, preventing the slider 13 from moving erratically and ensuring the adjustment accuracy.

[0036] In one embodiment, the slider 13 further has an upper-lower locking hole 133 on one side of the vertical adjustment hole 131. The upper-lower locking hole 133 is a threaded hole penetrating through the slider 13, and an upper-lower locking screw 16 that abuts against the bottom case is inserted therein.

[0037] In one embodiment, the opposite sides of the sliding groove are bent towards each other to form a front-back locking portion. A threaded hole 122 is provided in the front-back locking portion, and a front-back locking screw 17 for fastening the slider 13 and the four-direction adjustment main body 12 is inserted therein.

[0038] In one embodiment, a left-right locking hole 223 is provided on one side of the left-right adjustment screw 23, and a left-right locking screw 24 is inserted therein. The left-right locking screw 24 is used to abut the left-right adjustment main body 22 against the second bottom case 21.

[0039] Thus, by providing the locking screws (the upper-lower locking screw 16, the front-back locking screw 17, and the left-right locking screw 24), the positions of the fixed slider 13, the adjustment main body, and the bottom case are kept fixed, preventing the concealed hinge from moving erratically and generating gaps after adjustment in all directions, ensuring the installation accuracy of the door leaf, and also improving the service life of the concealed hinge.

[0040] In one embodiment, two sliders 13 are provided. One such sliding groove is provided at each of the two ends of the four-direction adjustment main body 12 along the length direction, and the two sliders 13 are correspondingly inserted into the two sliding grooves one by one. Thus, four-direction adjustment can be realized at both the upper and lower ends of the first page portion 1.

[0041] In one embodiment, the left - right adjustment body 22 is provided with a head - hiding groove 222 communicating with the left - right adjustment hole 221, and the head of the left - right adjustment screw 23 is embedded in the head - hiding groove 222. Specifically, the head - hiding groove 222 is a groove extending from one end of the left - right adjustment body 22 to the other end. It is opened at the middle position of the left - right adjustment body 22 in the left - right direction and divides the left - right adjustment hole 221 into three sections. One section is for the screw rod of the left - right adjustment screw 23 to pass through, the middle section coincides with the head - hiding groove 222 for placing the screw head, and the other section of the left - right adjustment hole 221 forms an operation hole for an operation tool to enter and operate the rotation of the left - right adjustment screw 23. Among them, the head of the left - right adjustment screw 23 is larger than the width of the left - right adjustment hole 221 and smaller than the width of the opening of the head - hiding groove 222.

[0042] Thus, the left - right adjustment screw 23 can be embedded in the left - right adjustment body 22, and the left - right adjustment screw 23 and the left - right adjustment body 22 are relatively fixed in the left - right direction. Thus, by rotating the left - right adjustment screw 23, its axial movement relative to the second bottom shell 21 can be realized, and then the left - right movement of the left - right adjustment body 22 relative to the second bottom shell 21 can be achieved. In addition, by inserting the left - right adjustment screw 23 into the left - right adjustment body 22 from the side, there is no need to provide a circlip on the left - right adjustment screw 23 to axially fix the screw and the left - right adjustment body 22, which is convenient for installation. The left - right adjustment screw 23 is located inside the left - right adjustment body 22, making the installed structure more concise.

[0043] In one embodiment, the left - right adjustment holes 221 are respectively provided at both ends of the left - right adjustment body 22 in the up - down direction, and the left - right adjustment screws 23 are arranged therein.

[0044] The adjustment process of the three - dimensional adjustable concealed hinge of the present invention is as follows:

[0045] By adjusting the left - right adjustment screw 23, after moving the door leaf left - right to an appropriate predetermined position, lock the left - right locking screw 24 to complete the adjustment of the door leaf in the left - right direction.

[0046] Loosen the up - down adjustment screw 14 and the up - down locking screw 16, push the door leaf up - down, adjust the slider 13 to a suitable position and lock it with the up - down adjustment screw 14 and the up - down locking screw 16 to complete the adjustment of the door leaf in the up - down direction.

[0047] Loosen the front - rear adjustment screw 15 and the front - rear locking screw 17, push the door leaf back - forth, adjust the slider 13 to a suitable position and lock it with the front - rear adjustment screw 15 and the front - rear locking screw 17 to complete the adjustment of the door leaf in the front - rear direction, and finally complete the installation and debugging of the door leaf. It should be understood that the adjustment of the door leaf can also reasonably arrange the adjustment sequence according to needs among the up - down, front - rear and left - right adjustments.

[0048] In one of the embodiments, decorative covers 4 are connected to the positions of the first bottom shell 11 corresponding to the sliders 13 and the positions of the second bottom shell 21 corresponding to both ends of the left-right adjustment body 22, so that the adjustment structure is encapsulated in the cavity defined by the decorative cover and the bottom shell, improving the aesthetic appearance of the concealed hinge.

[0049] It should be understood that both ends of the first bottom shell 11 and the second bottom shell 21 each have mounting holes 110 and 210 for passing through screws and correspondingly mounting to the door frame and the door leaf.

[0050] In summary, the three-dimensional adjustable concealed hinge of the present invention has adjustment functions in three directions: up and down, front and back, and left and right, and can realize the height, horizontal direction, and gap adjustment of the door leaf and the door frame, facilitating adjustment and helping to improve the installation accuracy of the door leaf.

[0051] The above description is only the preferred embodiment of the present invention and the explanation of the applied technical principles. Those skilled in the art should understand that the scope of the invention involved in the present invention is not limited to the technical solution formed by the specific combination of the above technical features, and should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the above inventive concept. For example, the technical solutions formed by mutually replacing the above features with the (but not limited to) technical features having similar functions in the present invention.

[0052] Although the subject matter has been described in language specific to structural features and / or methodological acts, it should be understood that the subject matter defined in the appended claims is not necessarily limited to the specific features or acts described above. On the contrary, the specific features and acts described above are merely example forms for implementing the claims.

Claims

1. A three-dimensional adjustable concealed hinge, comprising: A first page part and a second page part respectively for installation on a door frame and a door leaf, and a hinge mechanism connected between the first page part and the second page part, characterized in that: The first page part includes a first bottom shell, a four-direction adjustment main body and a slider. The first bottom shell has a first accommodation groove. The four-direction adjustment main body is arranged in the first accommodation groove and can slide in the up-down direction and the front-back direction. The four-direction adjustment main body is provided with a chute. The slider is inserted into the chute and can move relative to the four-direction adjustment main body in the front-back direction, and can drive the four-direction adjustment main body to move relative to the first bottom shell in the up-down direction. One end of the slider close to the end of the first accommodation groove is provided with an up-down adjustment hole extending in the up-down direction, and an up-down adjustment screw threadedly connected to the first bottom shell is inserted therein; the slider is provided with a front-back adjustment hole extending in the front-back direction at the other end, and a front-back adjustment screw threadedly connected to the four-direction adjustment main body is inserted therein. One end of the slider away from the up-down adjustment hole is provided with a pair of clamping plates extending towards the four-direction main body. The pair of clamping plates define a clamping groove having the same extending direction as the front-back adjustment hole. A clamping part is arranged at a position of the four-direction adjustment main body corresponding to the clamping groove, and the clamping part is clamped in the clamping groove; The second page part includes a second bottom shell and a left-right adjustment main body. The second bottom shell is provided with a second accommodation groove. The left-right adjustment main body is embedded in the second accommodation groove and can move left and right relative to the second bottom shell; Two ends of the hinge mechanism are respectively connected to the four-direction adjustment main body and the left-right adjustment main body; The left-right adjustment main body is provided with a left-right adjustment hole. The left-right adjustment hole penetrates through the left-right adjustment main body in the left-right direction, and a left-right adjustment screw with one end abutted against the second bottom shell is inserted therein. The left-right adjustment screw is used to drive the left-right adjustment main body to move left and right relative to the second bottom shell when it rotates.

2. The three-dimensional adjustable concealed hinge according to claim 1, wherein, The slider is further provided with an up-down locking hole on one side of the up-down adjustment hole. The up-down locking hole is a threaded hole penetrating through the slider, and an up-down locking screw abutted against the first bottom shell is inserted therein.

3. The three-dimensional adjustable concealed hinge according to claim 1, wherein, Two opposite sides of the chute are bent towards each other to form a front-back locking part. The front-back locking part is provided with a threaded hole, and a front-back locking screw for fastening the slider and the four-direction adjustment main body is inserted therein.

4. The three-dimensional adjustable concealed hinge according to claim 1, wherein, There are two sliders. One chute is arranged at each of two ends of the four-direction adjustment main body along the length direction. The two sliders are correspondingly inserted into the two chutes one by one.

5. The three-dimensional adjustable concealed hinge according to claim 4, wherein, The left-right adjustment main body is provided with a head-concealing groove, and the head of the left-right adjustment screw is embedded in the head-concealing groove.

6. The three-dimensional adjustable concealed hinge according to claim 5, wherein, The left-right adjustment main body is provided with the left-right adjustment holes at both ends along the up-down direction, and the left-right adjustment screws are arranged therein.

7. The three-dimensional adjustable concealed hinge according to claim 1, wherein, Decorative covers are connected to positions of the first bottom shell corresponding to the sliders and positions of the second bottom shell corresponding to both ends of the left-right adjustment main body.

Images