Three-dimensional adjustable concealed hinge

Abstract

The present invention provides a three-dimensional adjustable concealed hinge, comprising a first bottom shell provided with a first accommodating groove and front and rear adjustment holes, a second bottom shell, a four-direction adjustment body located in the first bottom shell, an adjustment block relatively fixed to the four-direction adjustment body in the up and down directions, the adjustment block is provided with an eccentric wheel capable of driving the adjustment block to move forward and backward relative to the bottom shell, an adjustment inclined block and an inclined plate capable of driving the four-direction adjustment body to move up and down relative to the bottom shell, and a left and right adjustment body provided in the second bottom shell and capable of moving left and right relative to the second bottom shell. By integrating the adjustment components in the four directions of up and down and front and rear in one page, and providing the left and right adjustment components in another page, the left and right adjustment is achieved by screws, the front and rear adjustment is achieved by the eccentric wheel, and the up and down adjustment is achieved by the cooperation of the inclined block and the inclined plate, so that the adjustment of the up and down and front and rear positions is more labor-saving, and an easy and convenient effect is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of hardware accessories, and in particular to a three-dimensional adjustable concealed hinge. Background Art

[0002] The hidden door hinge is a mechanical device used to connect the door frame and the door leaf and allow the two to rotate relative to each other. The hidden door hinge is not easy to be observed during use. The technical means adopted is to make a groove on the side where the door frame and the door leaf are connected, and hide the hinge bottom shell (the leaf bottom shell installed on the door leaf and the frame bottom shell installed on the door frame) in the side groove of the door leaf or door frame. A hinge receiving groove is set in the hinge bottom shell, and hinge seats are set at both ends of the receiving groove to support the two ends of the hinge shaft. A track groove is set on the hinge seat. When the hinge is opened or closed, the hinge shaft can move accordingly in the track groove.

[0003] After installation and debugging, concealed door hinges can achieve a close fit between the door and the door gap. When the door frame and the door leaf are on 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 residential or commercial areas, the requirements for installation accuracy are relatively high. Therefore, installers often need to debug repeatedly during work to ensure that the door leaf and the door frame can be as flush as possible on the same plane, minimize the gap between the door leaf and the door frame, and accurately control the distance between the door leaf and the ground after installation. Therefore, these debugging processes often take up a lot of workers' time, with low debugging efficiency and difficult to ensure 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 and convenient adjustment.

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

[0006] The present invention provides a three-dimensional adjustable concealed hinge, comprising: a first leaf portion and a second leaf portion respectively used for being installed on a door frame and a door leaf, and a hinge mechanism connected between the first leaf portion and the second leaf portion; the first leaf portion comprises a first bottom shell, a four-direction adjustment main body, a front-rear adjustment component and an up-and-down adjustment component; the first bottom shell is provided with a first accommodating groove and a front-and-rear adjustment hole, the front-and-rear adjustment hole being provided in the middle of the bottom surface of the first accommodating groove and extending in the up-and-down direction; the four-direction adjustment main body is located in the first accommodating groove, the four-direction adjustment main body is provided with a pushing notch corresponding to the front-and-rear adjustment hole, the opening of the pushing notch faces away from the second leaf portion, and the four-direction adjustment main body is also provided with an up-and-down adjustment hole; the front-and-rear adjustment component comprises an adjusting block and an eccentric wheel installed on the adjusting block and rotatable relative to the adjusting block, the adjusting block being located on a side of the four-direction adjustment main body facing away from the first bottom shell and being rotatable with the four-direction adjustment main body in the up-and-down direction. The cam wheel is relatively fixed, passes through the pushing notch and is clamped in the front and rear adjustment holes of the first bottom shell and can be rotatably driven to drive the adjustment block to move forward and backward relative to the first bottom shell; the up and down adjustment assembly includes an up and down adjustment screw, an adjustment bevel block and a bevel plate, the bevel plate is fixed to the end of the first accommodating groove, the adjustment bevel block is arranged on the up and down adjustment holes and has an adjustment bevel surface matching the bevel surface at one end close to the bevel plate, the up and down adjustment screws are arranged on the up and down adjustment holes and are located on the side of the adjustment bevel block away from the adjustment bevel surface and can drive the adjustment bevel block to slide along the bevel plate, so that the four-way adjustment body moves in the up and down direction relative to the first bottom shell; the second page part includes a second bottom shell and a left and right adjustment body, the second bottom shell is provided with a second accommodating groove, the left and right adjustment body is received in the second accommodating groove and can move left and right relative to the second bottom shell; the two ends of the hinge mechanism are respectively connected with the adjustment block and the left and right adjustment body.

[0007] Wherein, the inclined plate is a stainless steel plate with a smooth surface, and is mounted on the inclined plate mounting portion through a bracket.

[0008] In one embodiment, a sliding groove is provided on the inner side of the end of the four-way adjustment body, and the sliding groove extends along the front-to-back direction; a sliding block is provided on the outer side of the end of the adjustment block, and the sliding block is inserted into the sliding groove and can slide along the sliding groove.

[0009] In one embodiment, the four-way adjustment body is also provided with front and rear guide blocks, and the front and rear guide blocks and the sliding groove are arranged side by side in the width direction of the four-way adjustment body; the adjustment block is provided with front and rear guide grooves at positions corresponding to the front and rear guide blocks, and the front and rear guide blocks are arranged in the front and rear guide grooves.

[0010] In one embodiment, the four-way adjustment body is provided with front and rear fixing holes connected to the sliding groove, for inserting front and rear locking screws to tighten the sliding block.

[0011] In one embodiment, the four-direction adjustment body is provided with upper and lower locking screws on one side of the upper and lower adjustment holes and pressed against the first bottom shell.

[0012] In one embodiment, the left-right adjustment body is provided with a left-right adjustment hole, in which a left-right adjustment screw is passed, and the left-right adjustment body is moved axially relative to the second bottom shell along the left-right adjustment screw by turning the left-right adjustment screw.

[0013] In one embodiment, the left-right adjustment body is provided with left-right guide grooves extending in the left-right direction, and the second bottom shell is provided with left-right guide columns inserted into the left-right guide grooves.

[0014] In one embodiment, left and right locking screws which are pressed against the second bottom shell are provided on one side of the left and right adjusting screws on the left and right adjusting body.

[0015] In one embodiment, the first accommodating groove and the second accommodating groove are both rectangular with rounded corners; the corners of the four-direction adjustment body and the left-right adjustment body that are in contact with the accommodating grooves are chamfered.

[0016] In one embodiment, both the first page portion and the second page portion are provided with covers, and the covers are provided on the top ends of the corresponding receiving grooves of the first bottom shell and the second bottom shell.

[0017] The beneficial effects brought about by the technical solution provided by the present invention are: in the three-dimensional adjustable concealed hinge of the present invention, by integrating the adjustment components in the four directions of up and down, front and back into one page part, and the left and right adjustment components are arranged in another page part, the left and right adjustment is achieved by screws, the front and back adjustment is achieved by an eccentric wheel, and the up and down adjustment is achieved by the cooperation of the inclined block and the inclined sheet, so that the adjustment of the up and down, front and back positions is more labor-saving, achieving an easy and convenient effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for describing the embodiments of the present invention are briefly introduced below.

[0019] Figure 1 A three-dimensional diagram of a three-dimensional adjustable concealed hinge provided in one embodiment of the present invention;

[0020] Figure 2 for Figure 1 An exploded view of the three-dimensional adjustable concealed hinge shown;

[0021] Figure 3 A three-dimensional diagram of a first page portion provided in accordance with an embodiment of the present invention;

[0022] Figure 4 A three-dimensional view of a first bottom shell provided in accordance with an embodiment of the present invention. DETAILED DESCRIPTION

[0023] Embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although certain embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be construed as being limited to the embodiments described herein, which are instead provided for a more thorough and complete understanding of the present invention. It should be understood that the drawings and embodiments of the present invention are only for exemplary purposes and are not intended to limit the scope of protection of the present invention.

[0024] It should be understood that the various steps described in the method embodiments of the present invention may be performed in different orders and / or 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 respect.

[0025] The term "including" and its variations used herein are open inclusions, i.e., "including but not limited to". The term "connected" may be directly connected or indirectly connected through intermediate components (elements). The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one other embodiment"; the term "some embodiments" means "at least some embodiments". The relevant definitions of other terms will be given in the following description.

[0026] It should be noted that the concepts such as "first" and "second" mentioned in the present invention are only used to distinguish between devices, modules or units, and are not used to limit these devices, modules or units to be different devices, modules or units, nor are they used to limit the order or interdependence of the functions performed by these devices, modules or units.

[0027] See also Figures 1 to 4 The present invention relates to a three-dimensional adjustable concealed hinge, which is used for being installed between a door leaf and a door frame to realize the hinged connection between the door leaf and the door frame. 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, thereby realizing the effect of hiding the hinge.

[0028] The concealed hinge includes a first leaf portion 1 and a second leaf portion 2, and a hinge mechanism 3 connected between the first leaf portion 1 and the second leaf portion 2, wherein the first leaf portion 1 is used to be installed in a side groove on a door leaf, and the second leaf portion 2 is used to be installed in a side groove on a door frame. The first leaf portion 1 and the second leaf portion 2 both include a bottom shell and an adjustment body, and the adjustment bodies of the first leaf portion 1 and the second leaf portion 2 are respectively connected to the hinge mechanism 3. The relative position between the adjustment body and the bottom shell can be adjusted, and specifically, the adjustment can be realized in three-dimensional directions, namely, front-to-back direction, up-down direction, and left-to-right direction.

[0029] For ease of description and understanding, in the present invention, the direction perpendicular to the door leaf surface (ie, the front surface and the rear surface) is defined as the front-to-back direction, the door leaf width direction is defined as the left-right direction, and the door leaf height direction is defined as the up-down direction.

[0030] The first page portion 1 includes a first bottom shell 11, a four-direction adjustment body 12, a front-to-back adjustment component and an up-and-down adjustment component.

[0031] The first bottom shell 11 is provided with a first receiving groove 111 , a front and rear adjustment hole 113 and an inclined piece mounting portion 114 . The front and rear adjustment hole 113 is provided in the middle of the bottom surface of the first receiving groove 111 and extends in the up and down direction. The inclined piece mounting portion 114 is provided at the end position of the first receiving groove 111 .

[0032] The four-direction adjustment body 12 is located in the first accommodating groove 111. The four-direction adjustment body 12 is provided with a push notch 122 corresponding to the front and rear adjustment holes 113, the opening of the push notch 122 faces away from the second leaf portion 2, and the four-direction adjustment body 12 is also provided with an upper and lower adjustment hole.

[0033] The front-to-back adjustment component comprises an adjustment block 13 and an eccentric wheel 16 which is mounted on the adjustment block 13 and can rotate relative to the adjustment block 13. The adjustment block 13 is located on the side of the four-direction adjustment body 12 which is away from the first bottom shell 11 and is relatively fixed to the four-direction adjustment body 12 in the up-down direction. The eccentric wheel 16 passes through the push notch 122 and is clamped in the front-to-back adjustment hole 113 of the first bottom shell 11 and can rotatably drive the adjustment block 13 to move forward and backward relative to the first bottom shell 11.

[0034] The up and down adjustment assembly includes an up and down adjustment screw 15, an adjustment bevel block 14 and a bevel plate 112. The bevel plate 112 is fixed to the bevel plate mounting portion 114 of the first accommodating groove 111. The adjustment bevel block 14 is arranged in the up and down adjustment hole and has an adjustment bevel surface matching the bevel plate 112 at one end close to the bevel plate 112. The up and down adjustment screw 15 is arranged in the up and down adjustment hole and is located on the side of the adjustment bevel block 14 away from the adjustment bevel surface and can drive the adjustment bevel block 14 to slide along the bevel plate 112, so that the four-way adjustment body 12 moves in the up and down directions relative to the first bottom shell 11.

[0035] The second page portion 2 includes a second bottom shell 21 and a left-right adjustment body 22 . The second bottom shell is provided with a second accommodating groove 211 . The left-right adjustment body 22 is received in the second accommodating groove 211 and can move left-right relative to the second bottom shell.

[0036] The two ends of the hinge mechanism 3 are respectively connected to the adjustment block 13 and the left and right adjustment bodies 22 .

[0037] Therefore, by integrating the adjustment components in the four directions of up and down, front and back into one page part, and the left and right adjustment components are arranged on another page part, the left and right adjustment is achieved by screws, the front and back adjustment is achieved by the eccentric wheel 16, and the up and down adjustment is achieved by adjusting the cooperation between the inclined block 14 and the inclined piece 112, so that the adjustment of the up and down, front and back positions is more labor-saving, achieving an easy and convenient effect.

[0038] In one embodiment, a sliding groove 121 is provided on the inner side of the end of the four-direction adjustment body 12, and the sliding groove 121 extends in the front-rear direction; a sliding block 131 is provided on the outer side of the end of the adjustment block 13, and the sliding block 131 is inserted into the sliding groove 121 and can slide along the sliding groove 121. By providing the sliding block 131 and the sliding groove 121 to cooperate, the four-direction adjustment body 12 and the adjustment block 13 are assembled and the two are relatively fixed in the up-down direction.

[0039] In one embodiment, the four-way adjustment body 12 is also provided with a front and rear guide block 123, and the front and rear guide block 123 and the sliding groove 121 are arranged side by side in the width direction of the four-way adjustment body 12; the adjustment block 13 is provided with a front and rear guide groove 132 at a position corresponding to the front and rear guide block 123, and the front and rear guide block 123 is arranged in the front and rear guide groove 132.

[0040] By providing a guide structure, position deviation during the adjustment process can be avoided and the adjustment accuracy can be ensured.

[0041] In one embodiment, the four-way adjustment body 12 is provided with front and rear fixing holes communicating with the sliding slot 121 , for inserting the front and rear locking screws 18 to tighten the sliding block 131 .

[0042] In one embodiment, the four-direction adjustment body 12 is provided with upper and lower locking screws 17 on one side of the upper and lower adjustment holes, which are pressed against the first bottom shell 11 .

[0043] In one embodiment, the left-right adjustment body 22 is provided with a left-right adjustment hole 221, in which a left-right adjustment screw 23 is passed. By turning the left-right adjustment screw, the left-right adjustment body 22 moves axially relative to the second bottom shell 21 along the left-right adjustment screw.

[0044] In one embodiment, a left-right guide groove 222 extending in the left-right direction is formed on the left-right adjustment body 22 , and a left-right guide column 212 inserted into the left-right guide groove 222 is formed on the second bottom shell 21 .

[0045] In one embodiment, a left-right locking screw 24 which is pressed against the second bottom shell 21 is provided on one side of the left-right adjusting screw 23 on the left-right adjusting body 22 .

[0046] Therefore, by setting locking screws (upper and lower locking screws 17, front and rear locking screws 18 and left and right locking screws 24) to keep the positions of the adjustment block 13, the adjustment body and the bottom shell fixed, it is possible to avoid gaps caused by the concealed hinges jumping after adjustment in various directions, thereby ensuring the installation accuracy of the door leaf and improving the service life of the concealed hinges.

[0047] In one embodiment, the first receiving groove 111 and the second receiving groove 211 are both rectangular with rounded corners; the corners of the four-direction adjustment body 12 and the left-right adjustment body that are in contact with the receiving grooves are chamfered.

[0048] In one embodiment, the first page portion 1 and the second page portion 2 are both provided with a cover 4, and the cover 4 is covered on the top of the accommodating grooves corresponding to the first bottom shell 11 and the second bottom shell 21, so that the adjustment structure is encapsulated in the cavity defined by the cover and the bottom shell, thereby improving the beauty of the concealed hinge.

[0049] 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. It can realize the height, horizontal and gap adjustment of the door leaf and the door frame, which is convenient for adjustment and helps to improve the installation accuracy of the door leaf.

[0050] The above description is only a preferred embodiment of the present invention and an explanation of the technical principles used. 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 a specific combination of the above technical features, but 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 above features are replaced with the technical features with similar functions invented in the present invention (but not limited to) by each other to form a technical solution.

[0051] Although the subject matter has been described in language specific to structural features and / or methodological logical actions, it should be understood that the subject matter defined in the appended claims is not necessarily limited to the specific features or actions described above. On the contrary, the specific features and actions described above are merely example forms of implementing the claims.

Claims

1. A three-dimensional adjustable concealed hinge, comprising: A first leaf portion and a second leaf portion respectively used for being mounted on a door frame and a door leaf, and a hinge mechanism connected between the first leaf portion and the second leaf portion, characterized in that: The first page portion includes a first bottom shell, a four-direction adjustment body, a front-to-back adjustment component, and an up-and-down adjustment component; The first bottom shell is provided with a first accommodating groove and a front-rear adjusting hole, wherein the front-rear adjusting hole is provided in the middle of the bottom surface of the first accommodating groove and extends in the up-down direction; The four-direction adjustment body is located in the first accommodating groove, and a push notch is provided in the four-direction adjustment body corresponding to the front and rear adjustment holes, and the opening of the push notch faces away from the second page portion, and the four-direction adjustment body is also provided with an upper and lower adjustment hole; the front and rear adjustment assembly comprises an adjustment block and an eccentric wheel installed on the adjustment block and rotatable relative to the adjustment block, the adjustment block is located on the side of the four-direction adjustment body facing away from the first bottom shell and is relatively fixed with the four-direction adjustment body in the upper and lower directions, the eccentric wheel passes through the push notch and is clamped in the front and rear adjustment holes of the first bottom shell and can rotatably drive the adjustment block to move forward and backward relative to the first bottom shell; The up-down adjustment assembly includes an up-down adjustment screw, an adjustment bevel block and a bevel sheet, the bevel sheet is fixed to the end of the first accommodating groove, the adjustment bevel block is arranged in the up-down adjustment hole and has an adjustment bevel surface matched with the bevel sheet at one end close to the bevel sheet, the up-down adjustment screw is arranged in the up-down adjustment hole and is located on a side of the adjustment bevel block away from the adjustment bevel surface and can drive the adjustment bevel block to slide along the bevel sheet, so that the four-direction adjustment body moves in the up-down direction relative to the first bottom shell; The second page portion includes a second bottom shell and a left-right adjustment body, the second bottom shell is provided with a second accommodating groove, the left-right adjustment body is received in the second accommodating groove and can move left-right relative to the second bottom shell; The two ends of the hinge mechanism are respectively connected to the adjustment block and the left and right adjustment bodies; A sliding groove is provided on the inner side of the end of the four-way adjustment body, and the sliding groove extends along the front-to-back direction; a sliding block is provided on the outer side of the end of the adjustment block, and the sliding block is inserted into the sliding groove and can slide along the sliding groove; the four-way adjustment body is also provided with front and rear guide blocks, and the front and rear guide blocks and the sliding groove are arranged side by side in the width direction of the four-way adjustment body; the adjustment block is provided with front and rear guide grooves at positions corresponding to the front and rear guide blocks, and the front and rear guide blocks are arranged in the front and rear guide grooves.

2. The three-dimensional adjustable concealed hinge according to claim 1, characterized in that: The four-direction adjustment body is provided with front and rear fixing holes communicated with the sliding groove, which are used for inserting front and rear locking screws to tighten the sliding block.

3. The three-dimensional adjustable concealed hinge according to claim 1, characterized in that: The four-direction adjustment body is provided with upper and lower locking screws on one side of the upper and lower adjustment holes and are tightly pressed against the first bottom shell.

4. The three-dimensional adjustable concealed hinge according to claim 1, characterized in that: The left-right adjustment body is provided with a left-right adjustment hole, in which a left-right adjustment screw is passed. By turning the left-right adjustment screw, the left-right adjustment body is moved relative to the second bottom shell along the axial direction of the left-right adjustment screw.

5. The three-dimensional adjustable concealed hinge according to claim 4, characterized in that: The left-right adjustment body is provided with left-right guide grooves extending in the left-right direction, and the second bottom shell is provided with left-right guide columns inserted into the left-right guide grooves.

6. The three-dimensional adjustable concealed hinge according to claim 4, characterized in that: The left-right adjustment body is provided with left-right locking screws on one side of the left-right adjustment screws and are pressed against the second bottom shell.

7. The three-dimensional adjustable concealed hinge according to claim 1, characterized in that: The first accommodating groove and the second accommodating groove are both rectangular, and their corner ends are rounded; the corner ends of the four-direction adjustment body and the left-right adjustment body that are in contact with the accommodating grooves are chamfered.

8. The three-dimensional adjustable concealed hinge according to claim 1, characterized in that: The first page portion and the second page portion are both provided with a cover, and the cover is provided on the top of the corresponding accommodation grooves of the first bottom shell and the second bottom shell.

Images