Three-dimensional adjustable concealed hinge

Abstract

The present invention provides a three-dimensional adjustable concealed hinge, comprising a first bottom shell and a second bottom shell provided with a first accommodating groove, a fixing hole and a front-back adjusting hole, a four-direction adjusting body located in the first bottom shell, an adjusting block relatively fixed to the four-direction adjusting body in the up-down direction, a left-right adjusting body arranged in the second bottom shell and movable left-right relative to the second bottom shell, the adjusting block being provided with an eccentric wheel capable of driving the adjusting block to move forward and backward relative to the bottom shell, and the fixing block being provided with up-down adjusting screws, an adjusting column and a top column capable of driving the four-direction adjusting body to move up-down relative to the bottom shell. By integrating the adjusting components in the four directions of up-down and front-back into one page, and the left-right adjusting components being provided in another page, the left-right adjustment is achieved by screws, the front-back adjustment is achieved by the eccentric wheel, and the up-down adjustment is achieved by the cooperation of the adjusting column and the top column, so that the adjustment of the up-down and front-back 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 body, a front-rear adjustment component and an up-and-down adjustment component; the first bottom shell is provided with a first accommodating groove, a fixing block and a front-and-back adjustment hole, the fixing block is arranged at an angle end of the first accommodating groove close to one side of the hinge mechanism, and an up-and-down adjustment hole extending in the left-and-right direction and a top column hole perpendicular to and connected with the up-and-down adjustment hole are opened on the fixing block, the front-and-back adjustment hole is arranged in the middle part of the bottom surface of the first accommodating groove and extending in the up-and-down direction; the four-direction adjustment body is located in the first accommodating groove, and a push notch is opened on the four-direction adjustment body corresponding to the front-and-back adjustment hole, the opening of the push notch faces back to the second leaf portion, and two ends of the four-direction adjustment body form vertical walls; the up-and-down adjustment component comprises an up-and-down adjustment screw, an adjusting column and a top column; the adjusting column has an adjusting inclined surface, which is passed through the up-and-down adjustment hole and makes the adjusting inclined surface face the top column hole; one end of the top column has an adjusting inclined surface which is opposite to the adjusting inclined surface The matching bevel, one end of which is provided in the top column hole, and the matching bevel is connected to the adjustment bevel, and the other end of the top column is pressed against one side of the vertical wall; the upper and lower adjustment screws are provided in the upper and lower adjustment holes and press against one end of the adjustment column away from the adjustment bevel and can rotatably drive the adjustment column to press down so that the top column slides in the direction away from the top column hole, thereby making the four-direction adjustment body move in the up and down direction relative to the first bottom shell; 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 at one side of the four-direction adjustment body away from the first bottom shell and is relatively fixed with the four-direction adjustment body in the up and down direction, 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 second page portion comprises 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] In one embodiment, a positioning hole is provided at one end of the upper and lower adjusting screws close to the adjusting column, and a positioning column is provided at one end of the adjusting column away from the adjusting inclined surface, and the positioning column is inserted into the positioning hole.

[0008] In one embodiment, a flat position is provided on the outer periphery of the adjusting column, and another flat position matching with the flat position is formed on the inner side of the upper and lower adjusting holes.

[0009] In one embodiment, the four-way adjustment body is provided with a vertical wall, a sliding groove extending in the front-to-back direction is formed on the vertical wall, and the adjustment block is provided with a sliding block matching the sliding groove, and the sliding block is inserted into the sliding groove and can slide along the sliding groove.

[0010] In one embodiment, the four-way adjustment body is further provided with front and rear guide blocks; 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.

[0011] In one embodiment, the vertical wall 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.

[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 of the embodiments, the left and right adjustment body is provided with left and right locking screws on one side of the left and right adjustment screws, which are pressed against the second bottom shell; one side of the four-way adjustment body is provided with upper and lower locking grooves, in which upper and lower locking screws are pressed against the first bottom shell; after the four-way adjustment body is installed on the first bottom shell, the upper and lower locking grooves are located on the side of the fixed block away from the hinge mechanism.

[0015] 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.

[0016] The beneficial effects brought about by the technical solution provided by the present invention are as follows: the three-dimensional adjustable concealed hinge of the present invention integrates 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, and 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 adjustment column and the top column, so that the adjustment of the up and down, front and back positions is more labor-saving, and an easy and convenient effect is achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] 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.

[0018] Figure 1 A three-dimensional diagram of a three-dimensional adjustable concealed hinge provided in one embodiment of the present invention, with the cover removed for easier viewing of the internal structure;

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

[0020] Figure 3 A three-dimensional diagram of a first bottom shell provided in accordance with an embodiment of the present invention;

[0021] Figure 4 A three-dimensional diagram of an adjustment column provided in accordance with an embodiment of the present invention. DETAILED DESCRIPTION

[0022] 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.

[0023] 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.

[0024] 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.

[0025] 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.

[0026] 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.

[0027] 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.

[0028] 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.

[0029] The first page portion includes a first bottom shell, a four-direction adjustment body, an adjustment block, an up and down adjustment component and a front and back adjustment component. The four-direction adjustment column is arranged on the first bottom shell and can slide relative to the first bottom shell in four directions of front and back and up and down. The adjustment block is arranged on the side of the four-direction adjustment body facing away from the first bottom shell, and the adjustment block can move relative to the four-direction adjustment body in the front and back directions, and is relatively fixed to the four-direction adjustment body in the up and down and left and right directions. The up and down adjustment component is used to adjust the relative position of the four-direction adjustment body and the first bottom shell in the up and down direction, and the front and back adjustment component is used to adjust the relative position of the adjustment block and the four-direction adjustment body in the front and back directions.

[0030] Specifically, please combine Figure 3 The first bottom shell 11 is provided with a first receiving groove 111, a fixing block 110 and a front-rear adjustment hole 114. The fixing block is provided at a corner end of the first receiving groove near the hinge mechanism, and is provided with an up-down adjustment hole 112 and a top column hole 113. The up-down adjustment hole extends in the left-right direction, and the top column hole is perpendicular to the up-down adjustment hole and communicates with the up-down adjustment hole. The front-rear adjustment hole 114 is provided at the middle position of the bottom of the first receiving groove 111 and extends in the up-down direction.

[0031] The four-direction adjustment body 12 is located in the first accommodating groove 111 , and a push notch 121 is opened in the four-direction adjustment body corresponding to the front and rear adjustment holes. The opening of the push notch faces away from the two ends of the four-direction adjustment body of the second page to form a vertical wall 122 .

[0032] Please combine Figure 4The up-down adjustment assembly 14 includes an up-down adjustment screw 141, an adjustment column 142 and a top column 143. The adjustment column 142 has an adjustment bevel 1421, and the adjustment column 142 is arranged in the up-down adjustment hole 112 so that the adjustment bevel 1421 faces the top column hole 113. One end of the top column 143 has a matching bevel that matches the adjustment bevel, and the end where the matching bevel is located is arranged in the top column hole 113, and the matching bevel is connected to the adjustment bevel, and the other end of the top column is pressed against the outer side of the vertical wall of the four-direction adjustment body. The up-down adjustment screw 141 is arranged in the up-down adjustment hole and presses against the end of the adjustment column 142 away from the adjustment bevel and can rotatably drive the adjustment column to press down so that the top column 143 slides in the direction away from the top column hole, thereby moving the four-direction adjustment body 12 in the up-down direction relative to the first bottom shell 11.

[0033] The front-to-back adjustment assembly comprises an adjustment block 13 and an eccentric wheel 15 which is mounted on the adjustment block and can rotate relative to the adjustment block. The adjustment block is located on a side of the four-direction adjustment body away from the first bottom shell and is relatively fixed to the four-direction adjustment body in the up and down directions. The eccentric wheel 15 passes through the push notch 121 and is clamped in the front-to-back adjustment hole 114 of the first bottom shell and can rotate to drive the adjustment block to move forward and backward relative to the first bottom shell.

[0034] 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.

[0035] The two ends of the hinge mechanism 3 are respectively connected to the adjustment block 13 and the left and right adjustment bodies 22 .

[0036] Thus, the adjustment components for the four directions of up and down, front and back are integrated in 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 15, and the up and down adjustment is achieved by the cooperation of the adjustment column 142, the top column 143 and the four-way adjustment body, making the adjustment of the up and down, front and back positions more labor-saving, achieving an easy and convenient effect.

[0037] Furthermore, please combine Figure 4 The adjusting column 142 is provided with a positioning column 1422 at the end away from the adjusting inclined plane, and a positioning hole is provided at the end of the upper and lower adjusting screws close to the adjusting column. The positioning column 1422 is inserted into the positioning hole to ensure that the adjusting column is coaxially connected with the upper and lower adjusting screws, thereby ensuring the adjustment accuracy in the up and down directions.

[0038] The outer periphery of one end of the adjusting column 142 with the adjusting bevel is provided with a flat position 1423, and the inner sides of the upper and lower adjusting holes are provided with matching flat positions. The adjusting column and the upper and lower adjusting holes are connected with the matching flat positions to avoid the adjustment column rotating during the rotation of the adjusting screw, which may cause misalignment between the adjusting bevel and the matching bevel, thereby ensuring the adjustment accuracy.

[0039] In one embodiment, a sliding groove extending in the front-to-back direction is formed on the vertical wall 122, and the adjusting block is provided with a sliding block 131 matching the sliding groove. The sliding block is inserted into the sliding groove and can slide along the sliding groove.

[0040] In one embodiment, the four-direction adjustment body is further provided with a front and rear guide block 124; the adjustment block 13 is provided with a front and rear guide groove at a position corresponding to the front and rear guide block, and the front and rear guide block is arranged in the front and rear guide groove.

[0041] In one embodiment, the vertical wall is provided with front and rear fixing holes connected to the sliding groove, for inserting front and rear locking screws 17 to tighten the sliding block 131 .

[0042] 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, 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.

[0043] 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 .

[0044] In one of the embodiments, the left and right adjustment body is provided with left and right locking screws 24 that are tightly pressed against the second bottom shell on one side of the left and right adjustment screws, and the four-way adjustment body is provided with upper and lower locking grooves 123 on one side of the vertical wall 122, in which upper and lower locking screws 16 that are tightly pressed against the first bottom shell are passed. After the four-way adjustment body 12 is installed on the first bottom shell 11, the upper and lower locking grooves 123 are located on the side of the fixed block 110 away from the hinge mechanism 3.

[0045] 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.

[0046] 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.

[0047] 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) to form a technical solution.

[0048] 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, include: 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 receiving groove, a fixing block and a front-rear adjustment hole. The fixing block is provided at the corner end of the first receiving groove close to the hinge mechanism, and is provided with an up-and-down adjustment hole extending in the left-right direction and a top column hole perpendicular to and connected with the up-and-down adjustment hole. The front-and-rear adjustment hole is provided in the middle of the bottom surface of the first receiving groove and extends in the up-and-down direction. The four-direction adjustment body is located in the first accommodation groove, and a push-up notch is opened in the four-direction adjustment body corresponding to the front and rear adjustment holes, and the opening of the push-up notch faces away from the second page portion, and two ends of the four-direction adjustment body form vertical walls; The up and down adjustment assembly includes an up and down adjustment screw, an adjustment column and a top column; the adjustment column has an adjustment bevel, which is passed through the up and down adjustment holes and faces the adjustment bevel toward the top column hole; one end of the top column has a matching bevel that matches the adjustment bevel, the end where the matching bevel is located passes through the top column hole, and the matching bevel is connected to the adjustment bevel, and the other end of the top column is pressed against one side of the vertical wall; the up and down adjustment screws are provided in the up and down adjustment holes and press against one end of the adjustment column away from the adjustment bevel and can rotatably drive the adjustment column to press down so that the top column slides in a direction away from the top column hole, thereby causing the four-way adjustment body to move in the up and down directions relative to the first bottom shell; The front-to-back adjustment assembly comprises an adjustment block and an eccentric wheel mounted on the adjustment block and rotatable relative to the adjustment block, the adjustment block is located on a side of the four-direction adjustment body away from the first bottom shell and is relatively fixed to the four-direction adjustment body in the up-down direction, the eccentric wheel passes through the push notch and is clamped in the front-to-back adjustment hole of the first bottom shell and can rotatably drive the adjustment block to move forward and backward 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; The four-direction adjustment body is provided with a vertical wall, on which a sliding groove extending in the front-to-back direction is formed, and the adjustment block is provided with a sliding block matching the sliding groove, and the sliding block is inserted into the sliding groove and can slide along the sliding groove; the four-direction adjustment body is also provided with a front and rear guide block; the adjustment block is provided with a front and rear guide groove at a position corresponding to the front and rear guide block, and the front and rear guide block is arranged in the front and rear guide groove.

2. The three-dimensional adjustable concealed hinge according to claim 1, It is characterized in that A positioning hole is provided at one end of the upper and lower adjusting screws close to the adjusting column, and a positioning column is provided at one end of the adjusting column away from the adjusting inclined surface. The positioning column is inserted into the positioning hole.

3. The three-dimensional adjustable concealed hinge according to claim 1, It is characterized in that A flat position is arranged on the outer periphery of the adjusting column, and another flat position matching with the flat position is formed on the inner side of the upper and lower adjusting holes.

4. The three-dimensional adjustable concealed hinge according to claim 3, It is characterized in that The vertical wall is provided with front and rear fixing holes communicated with the sliding groove, and are used for inserting front and rear locking screws to tighten the sliding block.

5. The three-dimensional adjustable concealed hinge according to claim 1, It is 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.

6. The three-dimensional adjustable concealed hinge according to claim 5, It is 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.

7. The three-dimensional adjustable concealed hinge according to claim 5, It is characterized in that The left and right adjustment body is provided with left and right locking screws on one side of the left and right adjustment screws, which are pressed against the second bottom shell; one side of the four-way adjustment body is provided with upper and lower locking grooves, in which upper and lower locking screws are pressed against the first bottom shell; after the four-way adjustment body is installed on the first bottom shell, the upper and lower locking grooves are located on the side of the fixed block away from the hinge mechanism.

8. The three-dimensional adjustable concealed hinge according to claim 1, It is 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.

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