Multidirectional adjustment hidden hinge

Abstract

The invention particularly discloses a multi-directional adjustment hidden hinge which comprises a fixed seat, a movable seat, a mounting seat and a connecting block, the position of the mounting seat can be adjusted front and back relative to the movable seat, the position of the connecting block can be adjusted left and right relative to the mounting seat, and one side of the connecting block extends out of the mounting seat and is rotationally connected with a hinge piece through a shaft sleeve; therefore, the vertical position of the door plate is adjusted by adjusting the positions of the hinge pieces up and down so as to adapt to door frames or door plates with different heights, the horizontal position of the door plate is adjusted by adjusting the positions of the hinge pieces front and back so as to ensure that the door plate is horizontally aligned with the door frames, and the lateral position of the door plate is adjusted by adjusting the positions of the hinge pieces left and right. The lateral alignment of the door plate and the door frame is ensured; therefore, position adjustment can be carried out in three dimensions, the door can be installed and adjusted more flexibly and accurately, it is guaranteed that the door plate can be accurately installed on the door frame, fine adjustment can be carried out according to needs, and therefore the sealing performance and opening smoothness of the door are guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of hinges, and in particular to a multi-directional adjustable hidden hinge. Background Art

[0002] Hinge, also known as hinge, is a common hardware accessory, mainly used to connect two solid objects, allowing them to rotate relative to each other with the rotation end point as the center. Traditional door hinges are folding hinges, with the main hinge and the auxiliary hinge hinged, the main hinge is fixed on the door frame, and the auxiliary hinge is fixed on the door panel, so as to realize the rotation connection between the door panel and the door frame. However, the traditional folding hinge only has a simple hinge function, and it is difficult to adjust the relative position of the door panel and the door frame by adjusting the relative position of the main hinge and the auxiliary hinge, and it cannot adapt to different installation requirements and error compensation. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a multi-directional adjustable hidden hinge, which can be adjusted in three dimensions: vertical (up and down), horizontal (front and back) and lateral (left and right), so that the installation and adjustment of the door become more flexible and precise, ensuring that the door panel can be accurately installed on the door frame, and can be fine-tuned as needed to ensure the sealing of the door and the smoothness of opening.

[0004] In order to solve the above technical problems, the present invention provides a multi-directional adjustable hidden hinge, including a fixed seat, a movable seat, a mounting seat and a connecting block, the movable seat can be installed on the fixed seat so as to be adjusted up and down, the movable seat is provided with a groove body in which the mounting seat can be embedded, the mounting seat can be installed on the movable seat so as to be adjusted forward and backward, the mounting seat is provided with a through groove in which the connecting block can be embedded, the connecting block can be installed on the mounting seat so as to be adjusted left and right, and one side of the connecting block extends out of the mounting seat and is fixedly connected with a shaft sleeve.

[0005] As a preferred solution of the present invention, the fixed seat includes an upper fixed block and a lower fixed block, the upper fixed block is arranged on the upper front side of the movable seat, and the lower fixed block is arranged on the lower front side of the movable seat, the upper fixed block and the lower fixed block are both provided with a first adjustment slot hole extending in the up and down directions, a first locking bolt threadedly connected to the movable seat is provided in the first adjustment slot hole, and the first locking bolt slides in cooperation with the first adjustment slot hole.

[0006] As a preferred solution of the present invention, an upper guide bevel is provided on the upper front side of the movable seat, and a lower guide bevel is provided on the lower front side of the movable seat, the upper guide bevel gradually tilts downward toward the front side of the movable seat, and the lower guide bevel gradually tilts upward toward the front side of the movable seat; the upper fixed block and the lower fixed block are both threadedly connected with a first adjusting stud, the first adjusting stud passes through the upper fixed block or the lower fixed block and is against the upper guide bevel or the lower guide bevel.

[0007] As a preferred solution of the present invention, an upper positioning groove extending in the up-down direction is provided on the upper front side of the movable seat, and the upper guide slope is located in the upper positioning groove; a lower positioning groove extending in the up-down direction is provided on the lower front side of the movable seat, and the lower guide slope is located in the lower positioning groove; an upper positioning block slidingly matched with the upper positioning groove is provided on the rear side of the upper fixed block, and a lower positioning block slidingly matched with the lower positioning groove is provided on the rear side of the lower fixed block.

[0008] As a preferred solution of the present invention, the mounting seat is threadedly connected with a second adjusting stud, the second adjusting stud penetrates the mounting seat and is inserted into the movable seat, and the second adjusting stud is rotatably connected to the movable seat.

[0009] As a preferred solution of the present invention, the mounting seat is connected to a second locking bolt, and the second locking bolt passes through the mounting seat and is threadedly connected to the movable seat.

[0010] As a preferred embodiment of the present invention, the mounting seat is threadedly connected with an eccentric adjustment column, and the eccentric adjustment column includes a rotating shaft and an eccentric boss, the central axis of the eccentric boss does not coincide with the central axis of the rotating shaft, and a waist-shaped hole extending in the up and down directions is opened on the mounting seat, the rotating shaft is rotatably connected to the connecting block, and the rotating shaft passes through the connecting block so that the eccentric boss is inserted into the waist-shaped hole.

[0011] As a preferred solution of the present invention, the connecting block is connected with a third locking bolt, and a second adjustment slot hole extending in the left and right direction is opened on the connecting block. The third locking bolt passes through the second adjustment slot hole and is threadedly connected to the mounting seat, and the third locking bolt slides in conjunction with the second adjustment slot hole.

[0012] As a preferred solution of the present invention, the shaft sleeve is connected to the hinge piece through a hydraulic buffer shaft.

[0013] As a preferred embodiment of the present invention, the hydraulic buffer shaft includes a shaft rod and a shaft core mechanism, the shaft rod is inserted into the shaft sleeve and rotatably cooperates with the shaft sleeve, the shaft core mechanism is arranged in the shaft rod and can control the relative rotation speed of the shaft rod and the shaft sleeve, the upper end and the lower end of the shaft rod respectively extend out of the shaft sleeve and are fixed with connecting sleeves, and the connecting sleeve is fixedly connected to the hinge piece; an anti-wear ring is provided between the connecting sleeve and the shaft sleeve.

[0014] The embodiment of the present invention is a multi-directional adjustable hidden hinge, which has the following beneficial effects compared with the prior art:

[0015] When in use, the fixed seat is fixed on the preset mounting groove of the door frame as a fixed reference point of the entire hinge system; the movable seat is embedded in the mounting groove, so as to be hidden in the door frame and does not affect the aesthetics of the door; wherein the movable seat can be adjusted up and down relative to the fixed seat, the mounting seat can be adjusted forward and backward relative to the movable seat, and the connecting block can be adjusted left and right relative to the mounting seat, one side of the connecting block extends out of the mounting seat and is rotatably connected to the hinge piece through a shaft sleeve, and the hinge piece is used to connect the door panel; thus, the vertical position of the door panel is adjusted by adjusting the position of the hinge piece up and down to adapt to door frames or The door panel can adjust its horizontal position by adjusting the position of the hinge piece forward and backward to ensure that the door panel is horizontally aligned with the door frame, and can adjust its lateral position by adjusting the position of the hinge piece left and right to ensure that the door panel is laterally aligned with the door frame. It can be seen that the multi-directional adjustable hidden hinge of the embodiment of the present invention can be adjusted in three dimensions: vertical (up and down), horizontal (front and back) and lateral (left and right), so that the installation and adjustment of the door becomes more flexible and precise, ensuring that the door panel can be accurately installed on the door frame, and can be fine-tuned as needed to ensure the sealing of the door and the smoothness of opening. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of a multi-directional adjustable hidden hinge provided by an embodiment of the present invention when it is connected to a door frame and a door panel;

[0017] Figure 2 It is an assembly diagram of a multi-directional adjustable hidden hinge provided by an embodiment of the present invention;

[0018] Figure 3 is an exploded view of a multi-directional adjustable hidden hinge provided by an embodiment of the present invention;

[0019] Figure 4 is a top view of a multi-directional adjustable hidden hinge provided by an embodiment of the present invention;

[0020] Figure 5 It is Figure 4 A cross-sectional view of the structure shown along the AA direction;

[0021] Figure 6 It is Figure 4 A cross-sectional view along the BB direction of the structure shown;

[0022] Figure 7 is a schematic structural diagram of an eccentric adjustment column in an embodiment of the present invention;

[0023] Figure 8 is a schematic diagram of the structure of an upper fixing block or a lower fixing block in an embodiment of the present invention;

[0024] Fig. 9 It is a cross-sectional view of an embodiment of the present invention when the shaft sleeve is connected to the hinge piece through the hydraulic buffer shaft.

[0025] Markings in the figure:

[0026] Door frame 100; door panel 200; hinge piece 300; hydraulic buffer shaft 400; shaft rod 401; shaft core mechanism 402; the connecting sleeve 403; anti-wear ring 404; cover plate 500; fixed seat 1; upper end fixed block 11; lower end fixed block 12; first adjustment slot 13; upper end positioning block 14; lower end positioning block 15; movable seat 2; upper end guide slope 21; lower end guide slope 22; upper end positioning groove 23; lower end positioning groove 24; groove body 25; mounting seat 3; waist-shaped hole 31; through groove 32; connecting block 4; shaft sleeve 41; second adjustment slot 42; first locking bolt 5; first adjusting stud 6; second adjusting stud 7; first limit block 71; second limit block 72; second locking bolt 8; eccentric adjustment column 9; rotating shaft 91; eccentric boss 92; third locking bolt 10. DETAILED DESCRIPTION

[0027] The specific implementation of the present invention is further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0028] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like used in the present invention to indicate the orientation or position relationship is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0029] like Figures 1 to 9As shown, a multi-directional adjustable hidden hinge according to a preferred embodiment of the present invention comprises a fixed seat 1, a movable seat 2, a mounting seat 3 and a connecting block 4, wherein the movable seat 2 can be mounted on the fixed seat 1 so as to be adjusted up and down, the movable seat 2 is provided with a groove body 25 for the mounting seat 3 to be embedded, the mounting seat 3 can be mounted on the movable seat 2 so as to be adjusted forward and backward, the mounting seat 3 is provided with a through groove 32 for the connecting block 4 to be embedded, the connecting block 4 can be mounted on the mounting seat 3 so as to be adjusted left and right, and one side of the connecting block 4 extends out of the mounting seat 3 and is fixedly connected with a shaft sleeve 41.

[0030] When in use, the fixed seat 1 is installed and fixed on the preset installation groove of the door frame 100 as a fixed reference point of the entire hinge system; the movable seat 2 is embedded in the installation groove, so as to be hidden in the door frame 100 and does not affect the aesthetics of the door. In order to better cover the hinge, a cover plate 500 is provided in the installation groove; wherein, the movable seat 2 can be adjusted up and down relative to the fixed seat 1, the installation seat 3 can be adjusted front and back relative to the movable seat 2, and the connecting block 4 can be adjusted left and right relative to the installation seat 3. One side of the connecting block 4 extends out of the installation seat 3 and is rotatably connected to the hinge piece 300 through the shaft sleeve 41. The hinge piece 300 is used to connect the door panel 200; thus, the vertical position of the door panel 200 is adjusted by adjusting the position of the hinge piece 300 up and down, so as to To adapt to door frames 100 or door panels 200 of different heights, the horizontal position of the door panel 200 is adjusted by adjusting the position of the hinge piece 300 forwards and backwards to ensure that the door panel 200 is horizontally aligned with the door frame 100, and the lateral position of the door panel 200 is adjusted by adjusting the position of the hinge piece 300 left and right to ensure that the door panel 200 is laterally aligned with the door frame 100; it can be seen that the multi-directional adjustable hidden hinge of the embodiment of the present invention can be adjusted in three dimensions: vertical (up and down), horizontal (front and back) and lateral (left and right), so that the installation and adjustment of the door becomes more flexible and precise, ensuring that the door panel 200 can be accurately installed on the door frame 100, and can be fine-tuned as needed to ensure the sealing of the door and the smoothness of opening.

[0031] Exemplarily, the fixed seat 1 includes an upper fixed block 11 and a lower fixed block 12, wherein the upper fixed block 11 is arranged at the upper front side of the movable seat 2, and the lower fixed block 12 is arranged at the lower front side of the movable seat 2, and both the upper fixed block 11 and the lower fixed block 12 are provided with a first adjustment slot 13 extending in the up-down direction, and a first locking bolt 5 connected to the movable seat 2 is arranged in the first adjustment slot 13, and the first locking bolt 5 is slidably matched with the first adjustment slot 13. When the hinge needs to be adjusted in the vertical (up-down) direction, after loosening the first locking bolt 5 (the first locking bolt 5 does not need to be completely separated from the movable seat 2), the movable seat 2 can be adjusted up and down relative to the fixed seat 1, and after the adjustment is completed, the first locking bolt 5 is tightened again to achieve fixation.

[0032] Exemplarily, an upper guide bevel 21 is provided on the upper front side of the movable seat 2, and a lower guide bevel 22 is provided on the lower front side of the movable seat 2, the upper guide bevel 21 gradually tilts downward toward the front side of the movable seat 2, and the lower guide bevel 22 gradually tilts upward toward the front side of the movable seat 2; the upper fixing block 11 and the lower fixing block 12 are both threadedly connected with a first adjusting stud 6, the first adjusting stud 6 passes through the upper fixing block 11 or the lower fixing block 12 and abuts against the upper guide bevel 21 or the lower guide bevel 22. When the first locking bolt 5 is loosened, since the movable seat 2 can be adjusted up and down relative to the fixed seat 1, the first adjusting stud 6 on the upper fixing block 11 is screwed in and the first adjusting stud 6 on the lower fixing block 12 is screwed out, so that the ends of the two first adjusting studs 6 respectively abut against the upper guide bevel 21 and the lower guide bevel 22 to slide, thereby driving the movable seat 2 to gradually move downward. On the contrary, by screwing out the first adjusting stud 6 on the upper fixing block 11 and screwing in the first adjusting stud 6 on the lower fixing block 12, the ends of the first adjusting studs 6 at the upper and lower ends respectively abut against the upper guide bevel 21 and the lower guide bevel 22 to slide, thereby driving the movable seat 2 to gradually move upward; thus, by screwing in or out the first adjusting studs 6 at the upper and lower ends, the upper and lower positions of the hinge 300 can be fine-tuned.

[0033] Furthermore, the end of the first adjusting stud 6 is conical to prevent jamming and ensure normal adjustment.

[0034] Exemplarily, the upper front side of the movable seat 2 is provided with an upper positioning groove 23 extending in the up-down direction, the upper guide slope 21 is located in the upper positioning groove 23, the lower front side of the movable seat 2 is provided with a lower positioning groove 24 extending in the up-down direction, the lower guide slope 22 is located in the lower positioning groove 24, the rear side of the upper fixed block 11 is provided with an upper positioning block 14 slidingly matched with the upper positioning groove 23, and the rear side of the lower fixed block 12 is provided with a lower positioning block 15 slidingly matched with the lower positioning groove 24. Such a design makes the connection between the movable seat 2 and the fixed seat 1 more compact, ensuring that the movable seat 2 maintains vertical (up-down) movement during the process of tightening the first adjustment stud 6.

[0035] Exemplarily, the mounting seat 3 is threadedly connected with a second adjusting stud 7, the second adjusting stud 7 penetrates the mounting seat 3 and is inserted into the movable seat 2, and the second adjusting stud 7 is rotatably connected to the movable seat 2. In order to prevent the second adjusting stud 7 from being displaced during rotation, in this embodiment, the second adjusting stud 7 is provided with a first limit block 71 for limiting the second adjusting stud 7 from moving away from the movable seat 2 and a second limit block 72 for limiting the second adjusting stud 7 from moving toward the movable seat 2. When the second adjusting stud 7 is rotated, since the second adjusting stud 7 is rotatably connected to the movable seat 2 and the second adjusting stud 7 is threadedly connected to the mounting seat 3, when the second adjusting stud 7 is rotated, the mounting seat 3 will move relative to the second adjusting stud 7, thereby realizing the adjustment of the mounting seat 3 to the front or rear side.

[0036] Exemplarily, the mounting seat 3 is connected with a second locking bolt 8, which passes through the mounting seat 3 and is threadedly connected to the movable seat 2. When the second locking bolt 8 is in a tightened state, the mounting seat 3 is in a fixed state, and the front and rear position of the mounting seat 3 cannot be adjusted by the second adjusting stud 7, thereby preventing the mounting seat 3 from loosening.

[0037] Exemplarily, the mounting seat 3 is threadedly connected with an eccentric adjustment column 9, and the eccentric adjustment column 9 includes a rotating shaft 91 and an eccentric boss 92. The central axis of the eccentric boss 92 does not coincide with the central axis of the rotating shaft 91. The mounting seat 3 is provided with a waist-shaped hole 31 extending in the up-down direction. The rotating shaft 91 is rotatably connected with the connecting block 4, and the rotating shaft 91 penetrates the connecting block 4 so that the eccentric boss 92 is inserted into the waist-shaped hole 31. Therefore, the eccentric adjustment column 9 is rotated, and the connecting block 4 is driven to move sideways relative to the mounting seat 3 under the cooperation of the eccentric boss 92 and the waist-shaped hole 31, so as to adjust the connecting block 4 to the left or right.

[0038] Exemplarily, the connection block 4 is connected with a third locking bolt 10, and a second adjustment slot 42 extending in the left-right direction is provided on the connection block 4. The third locking bolt 10 passes through the second adjustment slot 42 and is threadedly connected to the mounting seat 3, and the third locking bolt 10 is slidably matched with the second adjustment slot 42. When the second locking bolt 8 is in a tightened state, the connection block 4 is in a fixed state, and the left-right position of the connection block 4 cannot be adjusted by the eccentric adjustment column 9, thereby preventing the connection block 4 from loosening; when the second locking bolt 8 is in a loosened state (the second locking bolt 8 does not need to be completely separated from the mounting seat 3), the left-right position of the connection block 4 can be adjusted by rotating the eccentric adjustment column 9, and at the same time, the third locking bolt 10 is slidably matched with the second adjustment slot 42 to ensure that the connection block 4 maintains lateral (left-right) movement during the rotation of the eccentric adjustment column 9.

[0039] For example, Fig. 9 As shown, the shaft sleeve 41 is connected to the hinge piece 300 through a hydraulic buffer shaft 400. It should be noted that the hydraulic buffer shaft 400 is a relatively mature prior art, such as: Chinese Patent (Announcement No.: CN218407039U) a self-closing hinge with adjustable speed, the hydraulic buffer shaft 400 mainly includes a shaft rod 401 and a shaft core mechanism 402, the shaft rod 401 is inserted in the shaft sleeve 41 and rotates with the shaft sleeve 41, the shaft core mechanism 402 is arranged in the shaft rod 401 and can control the speed and angle of relative rotation between the shaft rod 401 and the shaft sleeve 41, so as to play a buffering role; for the convenience of connection, the upper and lower ends of the shaft rod 401 extend out of the shaft sleeve 41 respectively and are fixed with a connecting sleeve 403, the connecting sleeve 403 is fixedly connected to the hinge piece 300; an anti-wear ring 404 is arranged between the connecting sleeve 403 and the shaft sleeve 41 to prevent wear.

[0040] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principles of the present invention. These improvements and substitutions should also be regarded as the scope of protection of the present invention.

Claims

1. A multi-directional adjustable hidden hinge, characterized in that: It includes a fixed seat, a movable seat, a mounting seat and a connecting block, the movable seat can be mounted on the fixed seat so as to be adjusted up and down, the movable seat is provided with a groove body in which the mounting seat can be embedded, the mounting seat can be mounted on the movable seat so as to be adjusted forward and backward, the mounting seat is provided with a through groove in which the connecting block can be embedded, the connecting block can be mounted on the mounting seat so as to be adjusted left and right, and one side of the connecting block extends out of the mounting seat and is fixedly connected with a shaft sleeve.

2. The multi-directional adjustable concealed hinge according to claim 1, characterized in that: The fixed seat includes an upper fixed block and a lower fixed block, the upper fixed block is arranged on the upper front side of the movable seat, and the lower fixed block is arranged on the lower front side of the movable seat, the upper fixed block and the lower fixed block are both provided with a first adjustment slot extending in the up and down directions, a first locking bolt threadedly connected to the movable seat is provided in the first adjustment slot, and the first locking bolt slides in cooperation with the first adjustment slot.

3. The multi-directional adjustable hidden hinge according to claim 2, characterized in that: An upper guide slope is provided on the front side of the upper end of the movable seat, and a lower guide slope is provided on the front side of the lower end of the movable seat. The upper guide slope gradually tilts downward toward the front side of the movable seat, and the lower guide slope gradually tilts upward toward the front side of the movable seat. The upper fixing block and the lower fixing block are both threadedly connected with a first adjusting stud, and the first adjusting stud passes through the upper fixing block or the lower fixing block and abuts against the upper guide slope or the lower guide slope.

4. The multi-directional adjustable concealed hinge according to claim 3, characterized in that: An upper positioning groove extending in the up-down direction is provided on the upper front side of the movable seat, and the upper guiding inclined surface is located in the upper positioning groove; a lower positioning groove extending in the up-down direction is provided on the lower front side of the movable seat, and the lower guiding inclined surface is located in the lower positioning groove; an upper positioning block slidingly matched with the upper positioning groove is provided on the rear side of the upper fixing block, and a lower positioning block slidingly matched with the lower positioning groove is provided on the rear side of the lower fixing block.

5. The multi-directional adjustable concealed hinge according to claim 1, characterized in that: The mounting seat is threadedly connected with a second adjusting stud, the second adjusting stud penetrates the mounting seat and is inserted into the movable seat, and the second adjusting stud is rotatably connected to the movable seat.

6. The multi-directional adjustable concealed hinge according to claim 5, characterized in that: The mounting seat is connected with a second locking bolt, and the second locking bolt passes through the mounting seat and is threadedly connected with the movable seat.

7. The multi-directional adjustable concealed hinge according to claim 1, characterized in that: The mounting seat is threadedly connected with an eccentric adjustment column, and the eccentric adjustment column includes a rotating shaft and an eccentric boss. The central axis of the eccentric boss does not coincide with the central axis of the rotating shaft. A waist-shaped hole extending in the up and down directions is opened on the mounting seat. The rotating shaft is rotatably connected to the connecting block, and the rotating shaft passes through the connecting block so that the eccentric boss is inserted into the waist-shaped hole.

8. The multi-directional adjustable concealed hinge according to claim 7, characterized in that: The connecting block is connected with a third locking bolt, and a second adjusting slot hole extending in the left-right direction is opened on the connecting block. The third locking bolt passes through the second adjusting slot hole and is threadedly connected to the mounting seat, and the third locking bolt is slidably matched with the second adjusting slot hole.

9. The multi-directional adjustable concealed hinge according to claim 1, characterized in that: The shaft sleeve is connected with the hinge piece through a hydraulic buffer shaft.

10. The multi-directional adjustable concealed hinge according to claim 9, characterized in that: The hydraulic buffer shaft includes a shaft rod and a shaft core mechanism. The shaft rod is inserted into the shaft sleeve and rotatably cooperates with the shaft sleeve. The shaft core mechanism is arranged in the shaft rod and can control the relative rotation speed of the shaft rod and the shaft sleeve. The upper end and the lower end of the shaft rod respectively extend out of the shaft sleeve and are fixed with connecting sleeves. The connecting sleeve is fixedly connected to the hinge piece; an anti-wear ring is provided between the connecting sleeve and the shaft sleeve.

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