Three-dimensional hidden hinge

Abstract

The three-dimensional hidden type hinge has the advantages that the three-dimensional hidden type hinge comprises the rocker arm sets, and the rocker arm sets comprise the first rocker arm set and the second rocker arm set; the left-right adjusting seat is rotatably connected with the first rocker arm, so that the left-right adjusting seat is rotatably connected with the rocker arm group; the front-back adjusting seat is rotatably connected with the third rocker arm, so that the left-right adjusting seat is rotatably connected with the rocker arm group; the up-and-down hinge fixing seat is provided with an up-and-down front-and-back adjusting assembly used for adjusting the front-and-back adjusting seat to move up and down and back and forth; and the left-right hinge fixing seat is provided with a left-right adjusting assembly used for adjusting the left-right adjusting seat to move left and right. The three-dimensional adjusting effect of the hinge is achieved through the up-down front-back adjusting assembly and the left-right adjusting assembly.

Description

Technical Field

[0001] The utility model relates to the field of hinges, in particular to a three-dimensional hidden hinge. Background Art

[0002] Most hinges of existing products are non-adjustable hinges. With long-term use, the weight of the door leaf may cause the hinges to deform and affect their use. In addition, many hinges lack adjustment functions and cannot adapt to doors of different sizes or weights. Therefore, the market is in urgent need of a hinge that can be adjusted in three dimensions to meet user needs. Summary of the invention

[0003] In order to overcome the shortcomings of the prior art, the utility model provides a three-dimensional hidden hinge, which is characterized by comprising:

[0004] A rocker arm group, the rocker arm group includes a first rocker arm group and a second rocker arm group that are rotatably connected to each other, the first rocker arm group includes a first rocker arm and a second rocker arm, the first rocker arm is rotatably connected to the second rocker arm, the second rocker arm group includes a third rocker arm and a fourth rocker arm, the third rocker arm is rotatably connected to the fourth rocker arm, a first connecting hole is provided in the middle of the second rocker arm, and a second connecting hole is provided in the fourth rocker arm, the rocker arm group also includes a first short rotating shaft, the first short rotating shaft penetrates into the first connecting hole and the second connecting hole, so that the second rocker arm is rotatably connected to the fourth rocker arm, so that the first rocker arm group is rotatably connected to the second rocker arm group;

[0005] A left-right adjustment seat, the left-right adjustment seat is rotatably connected to the first rocker arm so that the left-right adjustment seat is rotatably connected to the rocker arm assembly;

[0006] A front-to-rear adjustment seat, wherein the front-to-rear adjustment seat is rotatably connected to the third rocker arm so that the left-to-right adjustment seat is rotatably connected to the rocker arm assembly;

[0007] An upper and lower hinge fixing seat, the front-rear adjustment seat is installed on the upper and lower hinge fixing seat, the upper and lower hinge fixing seat is used to fix the front-rear adjustment seat to the door body, and the upper and lower hinge fixing seat is provided with an upper and lower front-rear adjustment component for adjusting the upper and lower front-rear movement of the front-rear adjustment seat;

[0008] The left and right hinge fixing seats are installed on the left and right hinge fixing seats, and the left and right hinge fixing seats are used to fix the left and right adjustment seats to the door frame. The left and right hinge fixing seats are provided with left and right adjustment components for adjusting the left and right movement of the left and right adjustment seats.

[0009] As an improvement of the present invention, the left and right hinge fixing seats are provided with a first installation groove, the left and right adjustment seats are installed in the first installation groove, and the first installation groove is provided with a left and right gap for moving the left and right adjustment seats left and right.

[0010] As an improvement of the present invention, the upper and lower hinge fixing seats are provided with a second installation groove, the front and rear adjustment seat is installed in the second installation groove, and the second installation groove is provided with an upper and lower gap for moving the front and rear adjustment seat up and down and a front and rear gap for moving the front and rear adjustment seat forward and backward.

[0011] As an improvement of the present utility model, the first rocker arm is provided with a first protrusion, the second rocker arm is provided with a first recess, the first protrusion is provided with a third connecting hole, the third connecting hole is passed through from top to bottom, and fourth connecting holes are respectively provided at both ends of the opening of the first recess, and the fourth connecting hole is passed through from top to bottom. The rocker arm group also includes a second short rotating shaft, the second short rotating shaft passes through the third connecting hole and the fourth connecting hole so that the first rocker arm and the second rocker arm can be rotatably connected, the third rocker arm is provided with a second recess, the fourth rocker arm is provided with a second protrusion, the second recess has fifth connecting holes at both ends of the opening, the fifth connecting hole is passed through from top to bottom, the far end of the second protrusion is provided with a sixth connecting hole, and the sixth connecting hole is passed through from top to bottom. The rocker arm group also includes a third short rotating shaft, the third short rotating shaft passes through the fifth connecting hole and the sixth connecting hole so that the third rocker arm and the fourth rocker arm can be rotatably connected.

[0012] As an improvement of the present utility model, the first connecting holes are respectively provided at the two ends of the middle part of the first recess, and the first connecting holes are connected vertically; the second connecting hole is provided in the middle section of the second protrusion, and the second connecting hole is connected vertically; the first short rotating shaft passes through the first connecting hole and the second connecting hole, so that the third rocker arm is rotatably connected to the fourth rocker arm, and so that the first rocker arm group is rotatably connected to the second rocker arm group.

[0013] As an improvement of the present utility model, a seventh connecting hole is provided at one end of the first rocker arm away from the second rocker arm, and the seventh connecting hole is connected up and down. The left and right adjustment seats include two slightly raised first connecting walls that are symmetrically arranged, and an eighth connecting hole is provided on the lower side of the first connecting wall. The rocker arm group also includes a first long rotating shaft, and the first long rotating shaft passes through the seventh connecting hole and the eighth connecting hole to enable the first rocker arm to be rotatably connected to the left and right adjustment seats. A ninth connecting hole is provided at one end of the fourth rocker arm away from the third rocker arm, and the ninth connecting hole is connected up and down. A tenth connecting hole is provided on the upper side of the first connecting wall. The rocker arm group also includes a second long rotating shaft, and the second long rotating shaft passes through the ninth connecting hole and the tenth connecting hole to enable the fourth rocker arm to be rotatably connected to the left and right adjustment seats. The third rocker arm is provided with an eleventh connecting hole at an end away from the fourth rocker arm, and the eleventh connecting hole is passed through from top to bottom. The front and rear adjustment seat includes two slightly raised second connecting walls symmetrically arranged, and a twelfth connecting hole is provided on the lower side of the second connecting wall. The rocker arm group also includes a third long rotating shaft, and the third long rotating shaft passes through the eleventh connecting hole and the twelfth connecting hole to enable the third rocker arm to be rotatably connected to the front and rear adjustment seat. The second rocker arm is provided with a thirteenth connecting hole at an end away from the first rocker arm, and the thirteenth connecting hole is passed through from top to bottom. A fourteenth connecting hole is provided on the upper side of the second connecting wall. The rocker arm group also includes a fourth long rotating shaft, and the fourth long rotating shaft passes through the thirteenth connecting hole and the fourteenth connecting hole to enable the second rocker arm to be rotatably connected to the front and rear adjustment seat.

[0014] As an improvement of the present invention, the upper and lower front and rear adjustment components also include an upper and lower adjustment seat, the upper and lower adjustment seat is provided with an elliptical upper and lower adjustment guide slot and an elliptical front and rear adjustment guide slot, the upper and lower adjustment guide slot and the front and rear adjustment guide slot are arranged perpendicular to each other, the upper and lower front and rear adjustment components include a front and rear adjustment screw hole and a front and rear adjustment screw, the front and rear adjustment screw passes through the front and rear adjustment guide slot and is fixed in the front and rear adjustment screw hole, the upper and lower front and rear adjustment components also include an upper and lower adjustment screw hole and an upper and lower adjustment screw, the upper and lower adjustment screw passes through the upper and lower adjustment guide slot and is fixed in the upper and lower adjustment screw hole, the front and rear adjustment seat is connected to the upper and lower hinge fixing seat through the upper and lower adjustment seat, and the position of the upper and lower adjustment screw in the upper and lower adjustment guide slot is made to make the front and rear adjustment seat move up and down relative to the upper and lower hinge fixing seat, thereby making the rocker arm group move up and down relative to the upper and lower hinge fixing seat, and the position of the front and rear adjustment screw in the front and rear adjustment guide slot is made to make the front and rear adjustment seat move forward and backward relative to the upper and lower hinge fixing seat, thereby making the rocker arm group move forward and backward relative to the upper and lower hinge fixing seat.

[0015] As an improvement of the utility model, the left and right adjustment seat is provided with left and right adjustment screw holes, the left and right adjustment assembly also includes a left and right adjustment screw, the left and right adjustment screw includes a threaded section and a mounting section, and the mounting section includes a first limiting pad, the left and right hinge fixing seat is provided with a left and right adjustment mounting hole, the left and right adjustment screw hole and the left and right adjustment mounting hole are connected up and down, the threaded section of the left and right adjustment screw is screwed into the left and right adjustment screw hole, the mounting section of the left and right adjustment screw is inserted into the left and right adjustment mounting hole and the first limiting pad abuts against the upper wall of the left and right adjustment mounting hole, the mounting section passes through one end of the left and right adjustment mounting hole away from the left and right adjustment screw hole, and the left and right adjustment assembly also includes a second limiting pad, the second limiting pad is inserted from the part passing through the mounting section and abuts against the lower wall of the left and right adjustment mounting hole and is fixedly connected to the mounting section, and the left and right adjustment screws are moved to the left and right positions in the left and right adjustment screw holes so that the left and right adjustment seat can move left and right relative to the left and right hinge fixing seat, thereby causing the rocker arm group to move left and right relative to the left and right hinge fixing seat.

[0016] As an improvement of the present invention, the left and right hinge fixing seats also include the first mounting hole and the first mounting screw, the first mounting screw is inserted into the first mounting hole and fixed to the door body to fix the left and right hinge fixing seats to the door body, the upper and lower hinge fixing seats also include the second mounting hole and the second mounting screw, the second mounting screw is inserted into the second mounting hole and fixed to the door frame to fix the left and right hinge fixing seats to the door frame, the left and right hinge fixing seats also include a first decorative cover, the first decorative cover can be detachably installed on the upper surface of the left and right hinge fixing seats, and the upper and lower hinge fixing seats also include a second decorative cover, the second decorative cover can be detachably installed on the upper surface of the upper and lower hinge fixing seats.

[0017] As an improvement of the present utility model, the rocker arm group also includes a sleeve, which is sleeved on both ends of the first short rotating shaft, the second short rotating shaft, the third short rotating shaft, the first long rotating shaft, the second long rotating shaft, the third long rotating shaft and the fourth long rotating shaft.

[0018] The beneficial effects of the utility model are as follows: the utility model provides a three-dimensional hidden hinge, including a rocker group, the rocker group including a first rocker group and a second rocker group; a left-right adjustment seat, the left-right adjustment seat is rotatably connected to the first rocker so that the left-right adjustment seat is rotatably connected to the rocker group; a front-back adjustment seat, the front-back adjustment seat is rotatably connected to the third rocker so that the left-right adjustment seat is rotatably connected to the rocker group; an upper and lower hinge fixing seat, the upper and lower hinge fixing seat is provided with an upper and lower front-back adjustment component for adjusting the upper and lower front-back movement of the front-back adjustment seat; a left-right hinge fixing seat, the left-right hinge fixing seat is provided with a left-right adjustment component for adjusting the left-right movement of the left-right adjustment seat. The three-dimensional adjustment effect of the hinge is achieved by the upper and lower front-back adjustment component and the left-right adjustment component. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. The drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0021] Figure 1 It is a schematic diagram of the overall structure of the hinge of the utility model;

[0022] Figure 2 It is an exploded view of the rocker arm assembly of the utility model;

[0023] Figure 3 It is an exploded view of the left and right adjustment seat and the front and rear adjustment seat of the utility model;

[0024] Figure 4 It is a cross-sectional view of the front and rear adjustment seat and the upper and lower hinge fixing seat of the utility model along the central axis direction of the side wall;

[0025] Figure 5 It is a cross-sectional view of the left and right adjustment seats and the left and right hinge fixing seats of the utility model along the direction of the left and right adjustment screw holes;

[0026] Figure 6 It is an exploded view of the front and rear adjustment seat and the upper and lower hinge fixing seat of the utility model;

[0027] Figure 7 It is an exploded view of the left and right adjustment seats and the left and right hinge fixing seats of the utility model. DETAILED DESCRIPTION

[0028] Reference Figure 1-Figure 7 , a three-dimensional hidden hinge, comprising:

[0029] The rocker arm group 1 comprises a first rocker arm group 11 and a second rocker arm group 12 which are interlaced and rotatably connected with each other, the first rocker arm group 11 comprises a first rocker arm 111 and a second rocker arm 112, the first rocker arm 111 and the second rocker arm 112 are rotatably connected, the second rocker arm group 12 comprises a third rocker arm 123 and a fourth rocker arm 124, the third rocker arm 123 and the fourth rocker arm 124 are rotatably connected, a first connecting hole 1001 is provided in the middle of the second rocker arm 112, and a second connecting hole 1002 is provided in the fourth rocker arm 124, the rocker arm group 1 also comprises a first short rotating shaft 10001, the first short rotating shaft 10001 penetrates the first connecting hole 1001 and the second connecting hole 1002, so that the second rocker arm 112 and the fourth rocker arm 124 are rotatably connected, so that the first rocker arm group 11 and the second rocker arm group 12 are rotatably connected;

[0030] The left and right adjustment seats 21 are rotatably connected to the first rocker arm 111 so that the left and right adjustment seats 21 are rotatably connected to the rocker arm assembly 1;

[0031] The front and rear adjustment seat 31 is rotatably connected to the third rocker arm 123 so that the left and right adjustment seat 21 is rotatably connected to the rocker arm assembly 1;

[0032] The upper and lower hinge fixing seats 32, the front and rear adjustment seats 31 are installed on the upper and lower hinge fixing seats 32, the upper and lower hinge fixing seats 32 are used to fix the front and rear adjustment seats 31 to the door body, and the upper and lower hinge fixing seats 32 are provided with upper and lower front and rear adjustment components 312 for adjusting the upper and lower front and rear movement of the front and rear adjustment seats 31;

[0033] The left and right hinge fixing seats 22, the left and right adjustment seats 21 are installed on the left and right hinge fixing seats 22, the left and right hinge fixing seats 22 are used to fix the left and right adjustment seats 21 to the door frame, and the left and right hinge fixing seats 22 are provided with left and right adjustment components 212 for adjusting the left and right movement of the left and right adjustment seats 21. Through the design of the left and right adjustment components 212 and the up and down front and back adjustment components 312, the user can fine-tune the door up and down, left and right, front and back during the installation process. Even if the door leaf sags after long-term use, the door leaf can be adjusted to a suitable position through three-dimensional adjustment to extend the service life of the door leaf.

[0034] In this embodiment, the left and right hinge fixing seats 22 are provided with a first installation groove 221, and the left and right adjustment seats 21 are installed in the first installation groove 221. The first installation groove 221 is provided with a left and right gap 201 for moving the left and right adjustment seats 21 left and right. Through the above structure, the first installation groove 221 has enough left and right gap 201 to allow the user to adjust the hinge in the left and right direction.

[0035] In this embodiment, the upper and lower hinge fixing seats 32 are provided with a second mounting groove 321, the front-back adjustment seat 31 is installed in the second mounting groove 321, and the second mounting groove 321 is provided with an upper and lower gap 301 for moving the front-back adjustment seat 31 up and down and a front-back gap 302 for moving the front-back adjustment seat 31 forward and backward. Through the above structure, the second mounting groove 321 has sufficient upper and lower gaps 301 and front-back gaps 302, so that the user can adjust the hinge in the front-back or up-down direction.

[0036] In this embodiment, the first rocker arm 111 is provided with a first protrusion 1111, the second rocker arm 112 is provided with a first recess 1121, the first protrusion 1111 is provided with a third connecting hole 1003, the third connecting hole 1003 is vertically penetrated, and the opening ends of the first recess 1121 are respectively provided with fourth connecting holes 1004, the fourth connecting hole 1004 is vertically penetrated, and the rocker arm assembly 1 also includes a second short rotating shaft 10002, the second short rotating shaft 10002 passes through the third connecting hole 1003 and the fourth connecting hole 1004 so that the first rocker arm 111 and the second rocker arm 112 can be rotatably connected, and the first The third rocker arm 123 is provided with a second notch 1231, the fourth rocker arm 124 is provided with a second protrusion 1241, the opening of the second notch 1231 is provided with a fifth connection hole 1005 at both ends, the fifth connection hole 1005 is through-through, the far end 12411 of the second protrusion 1241 is provided with a sixth connection hole 1006, the sixth connection hole 1006 is through-through, the rocker arm group 1 also includes a third short shaft 10003, the third short shaft 10003 passes through the fifth connection hole 1005 and the sixth connection hole 1006 so that the third rocker arm 123 is rotatably connected to the fourth rocker arm 124. Through the above structure, the first rocker arm group 11 and the second rocker arm group 12 have good rotation performance, and the protrusion and notch structure saves assembly space, reduces the overall volume of the rocker arm group 1, and is convenient for installation in the door frame and the door body.

[0037] In this embodiment, first connecting holes 1001 are respectively provided at both ends of the middle of the first recess 1121, and the first connecting hole 1001 is through-through, and the middle section 12412 of the second protrusion 1241 is provided with a second connecting hole 1002, and the second connecting hole 1002 is through-through, and the first short rotating shaft 10001 penetrates the first connecting hole 1001 and the second connecting hole 1002, so that the third rocker arm 123 and the fourth rocker arm 124 can be rotatably connected, so that the first rocker arm group 11 and the second rocker arm group 12 can be rotatably connected. Through the above structure, the rocker arm group 1 has good rotation performance as a whole, and the overall volume of the rocker arm group 1 is reduced by the design of interlaced rotation connection, which is convenient for installation in the door frame and the door body.

[0038] In this embodiment, a seventh connecting hole 1007 is provided at one end of the first rocker arm 111 away from the second rocker arm 112, and the seventh connecting hole 1007 is connected vertically. The left and right adjustment seats 21 include two symmetrically arranged slightly raised first connecting walls 211, and an eighth connecting hole 1008 is provided on the lower side of the first connecting wall 211. The rocker arm group 1 also includes a first long rotating shaft 10004, and the first long rotating shaft 10004 passes through the seventh connecting hole 1007 and the eighth connecting hole 1008 to enable the first rocker arm 111 to be rotatably connected to the left and right adjustment seats 21. A ninth connecting hole 1009 is provided at one end of the fourth rocker arm 124 away from the third rocker arm 123, and the ninth connecting hole 1009 is connected vertically. A tenth connecting hole 1010 is provided on the upper side of the first connecting wall 211. The rocker arm group 1 also includes a second long rotating shaft 10005, and the second long rotating shaft 10005 passes through the ninth connecting hole 1009 and the tenth connecting hole 1010 to enable the fourth rocker arm 124 to be rotatably connected to the left and right adjustment seats 21. The end of the rocker arm 123 away from the fourth rocker arm 124 is provided with an eleventh connecting hole 1011, the eleventh connecting hole 1011 is through from top to bottom, the front and rear adjustment seat 31 includes two slightly raised second connecting walls 311 symmetrically arranged, the lower side of the second connecting wall 311 is provided with a twelfth connecting hole 1012, the rocker arm assembly 1 also includes a third long rotating shaft 10006, the third long rotating shaft 10006 passes through the eleventh connecting hole 1011 and the twelfth connecting hole 1012 so that the third rocker arm 12 3 is rotatably connected with the front and rear adjustment seat 31, a thirteenth connection hole 1013 is provided at one end of the second rocker arm 112 away from the first rocker arm 111, the thirteenth connection hole 1013 is through-through, a fourteenth connection hole 1014 is provided on the upper side of the second connection wall 311, and the rocker arm assembly 1 also includes a fourth long rotating shaft 10007, the fourth long rotating shaft 10007 passes through the thirteenth connection hole 1013 and the fourteenth connection hole 1014 to enable the second rocker arm 112 to be rotatably connected with the front and rear adjustment seat 31. The rocker arm assembly 1 is rotatably connected with the front and rear adjustment seat 31 and the left and right adjustment seat 21 through the above structure, so as to realize the rotatability of the hinge as a whole. In addition, the design of multiple connection holes and multiple long rotating shafts enables the rocker arm assembly 1 to maintain a good motion trajectory when rotating, and the hinge can rotate smoothly.

[0039] In this embodiment, the up-down front-back adjustment component 312 also includes an up-down adjustment seat 3121, the up-down adjustment seat 3121 is provided with an elliptical up-down adjustment guide groove 31211 and an elliptical front-back adjustment guide groove 31212, the up-down adjustment guide groove 31211 and the front-back adjustment guide groove 31212 are arranged perpendicular to each other, the up-down front-back adjustment component 312 includes a front-back adjustment screw hole 31221 and a front-back adjustment screw 31222, the front-back adjustment screw 31222 passes through the front-back adjustment guide groove 31212 and is fixed in the front-back adjustment screw hole 31221, the up-down front-back adjustment component 312 also includes an up-down adjustment screw hole 31231 and an up-down adjustment screw 31232, the up-down adjustment The screw 31232 passes through the upper and lower adjustment guide groove 31211 and is fixed in the upper and lower adjustment screw hole 31231. The front-rear adjustment seat 31 is connected to the upper and lower hinge fixing seat 32 through the upper and lower adjustment seat 3121. By moving the position of the upper and lower adjustment screw 31232 in the upper and lower adjustment guide groove 31211, the front-rear adjustment seat 31 moves up and down relative to the upper and lower hinge fixing seat 32, so that the rocker group 1 moves up and down relative to the upper and lower hinge fixing seat 32. By moving the position of the front-rear adjustment screw 31222 in the front-rear adjustment guide groove 31212, the front-rear adjustment seat 31 moves forward and backward relative to the upper and lower hinge fixing seat 32, so that the rocker group 1 moves forward and backward relative to the upper and lower hinge fixing seat 32. Preferably, the upper and lower front-rear adjustment components 312 of this embodiment are symmetrically arranged on the vertical center axis of the front-rear adjustment seat 31, and the structure is beautiful. Specifically, when the user needs to adjust the up and down direction, first loosen the up and down adjustment screw 31232, then move the up and down adjustment guide slot 31211 up and down to a suitable position, and then tighten the up and down adjustment screw 31232. Similarly, when the user needs to adjust the front and back direction, first loosen the front and back adjustment screw 31231, then move the front and back adjustment guide slot 31212 back and forth to a suitable position, and then tighten the front and back adjustment screw 31231. In addition, the up and down adjustment screw 31232 and the front and back adjustment screw 31231 are both hexagon socket threaded head screws, and the user can use a hexagonal wrench to more easily adjust the up and down adjustment screw 31232 and the front and back adjustment screw 31231, which is easy to use. Through the above structure, the user can easily adjust the front and back, up and down directions of the hinge.

[0040] In this embodiment, the left and right adjustment seat 21 is provided with left and right adjustment screw holes 21211, the left and right adjustment assembly 212 also includes left and right adjustment screws 21212, the left and right adjustment screws 21212 include a threaded section 212121 and a mounting section 212122, the mounting section 212122 includes a first limiting pad 212123, the left and right hinge fixing seat 22 is provided with left and right adjustment mounting holes 2122, the left and right adjustment screw holes 21211 and the left and right adjustment mounting holes 2122 are connected vertically, the threaded section 212121 of the left and right adjustment screws 21212 is screwed into the left and right adjustment screw holes 21211, the mounting section 212122 of the left and right adjustment screws 21212 is inserted into the left and right adjustment mounting holes 2122 and the first limiting pad 2 12123 abuts against the upper wall 21221 of the left-right adjustment mounting hole 2122, the mounting section 212122 passes through one end of the left-right adjustment mounting hole 2122 away from the left-right adjustment screw hole 21211, and the left-right adjustment assembly 212 further includes a second limiting pad 212124, the second limiting pad 212124 passes through the mounting section 212122 and is inserted into the lower wall 21222 abutting against the left-right adjustment mounting hole 2122 and is fixedly connected to the mounting section 212122, and the left-right adjustment seat 21 is moved left-right relative to the left-right hinge fixing seat 22 by moving the left-right adjustment screw 21212 in the left-right adjustment screw hole 21211, thereby causing the rocker arm assembly 1 to move left-right relative to the left-right hinge fixing seat 22. Preferably, the left-right adjustment assembly 212 of this embodiment is symmetrically arranged along the vertical center axis of the left-right adjustment seat 21, and the structure is beautiful. Specifically, when the user needs to adjust the left and right directions of the hinge, the user only needs to loosen or tighten the left and right adjustment screws 21212. When the user turns the left and right adjustment screws 21212, the left and right adjustment screws 21212 rotate in the left and right adjustment screw holes 21211. Since the first limiting pad 212123 and the second limiting pad 212124 fix the left and right adjustment screws 21212 relative to the left and right adjustment mounting holes 2122, when the left and right adjustment screws 21212 are turned, the left and right adjustment screws 21212 remain stationary relative to the left and right hinge fixing seats, while the left and right adjustment screw holes 21211 translate relative to the left and right hinge fixing seats 22, thereby driving the left and right adjustment seats 21 relative to the left and right hinge fixing seats 22 to achieve left and right adjustment of the hinge. In addition, the left and right adjustment screws 21212 are hexagon socket threaded head screws, and the user can use a hexagonal wrench to more easily adjust the left and right adjustment screws 21212, which is easy to use. Through the above structure, the user can easily adjust the left and right directions of the hinge.

[0041] In this embodiment, the left and right hinge fixing seats 22 also include a first mounting hole 2201 and a first mounting screw 2202, the first mounting screw 2202 is inserted into the first mounting hole 2201 and fixed to the door body to fix the left and right hinge fixing seats 22 to the door body, the upper and lower hinge fixing seats 32 also include a second mounting hole 3201 and a second mounting screw 3202, the second mounting screw 3202 is inserted into the second mounting hole 3201 and fixed to the door frame to fix the left and right hinge fixing seats 22 to the door frame, the left and right hinge fixing seats 22 also include a first decorative cover 2203, the first decorative cover 2203 can be detachably installed on the upper surface of the left and right hinge fixing seats 22, the upper and lower hinge fixing seats 32 also include a second decorative cover 3203, the second decorative cover 3203 can be detachably installed on the upper surface of the upper and lower hinge fixing seats 32. Through the above structure, the two ends of the hinge are fixed to the door body and the door frame respectively by the first mounting screw 2202 and the second mounting screw 3202, which is very stable. In addition, the first decorative cover 2203 and the second decorative cover 3203 can cover the three-dimensional adjustment part of the hinge when it is no longer needed. This design is not only beautiful, but also can prevent dust from entering and affecting the use of internal parts, thereby extending the service life.

[0042] In this embodiment, the rocker arm assembly 1 further includes a shaft sleeve 4, which is sleeved on both ends of the first short rotating shaft 10001, the second short rotating shaft 10002, the third short rotating shaft 10003, the first long rotating shaft 10004, the second long rotating shaft 10005, the third long rotating shaft 10006 and the fourth long rotating shaft 10007. The shaft sleeve 4 can increase the stability between the rotating shaft and the supporting structure, prevent the rotating shaft from loosening during the rotation process, reduce friction during the rotation process, reduce wear, and extend the service life of the rocker arm assembly 1.

[0043] The above are one or more implementation methods provided in combination with specific content, and it is not intended that the specific implementation of the utility model is limited to these descriptions. Any method, structure, etc. similar to or identical to the method, structure, etc. of the utility model, or any technical deduction or replacement based on the concept of the utility model, shall be deemed to be within the protection scope of the utility model.

Claims

1. A three-dimensional hidden hinge, characterized in that: include: A rocker arm group (1), the rocker arm group (1) comprising a first rocker arm group (11) and a second rocker arm group (12) which are interlaced and rotatably connected to each other, the first rocker arm group (11) comprising a first rocker arm (111) and a second rocker arm (112), the first rocker arm (111) and the second rocker arm (112) being rotatably connected, the second rocker arm group (12) comprising a third rocker arm (123) and a fourth rocker arm (124), the third rocker arm (123) and the fourth rocker arm (124) being rotatably connected, A first connecting hole (1001) is provided in the middle of the arm (112), and a second connecting hole (1002) is provided on the fourth rocker arm (124). The rocker arm assembly (1) further comprises a first short rotating shaft (10001), and the first short rotating shaft (10001) penetrates the first connecting hole (1001) and the second connecting hole (1002), so that the second rocker arm (112) and the fourth rocker arm (124) are rotatably connected, so that the first rocker arm assembly (11) and the second rocker arm assembly (12) are rotatably connected; A left-right adjustment seat (21), the left-right adjustment seat (21) being rotatably connected to the first rocker arm (111) so that the left-right adjustment seat (21) is rotatably connected to the rocker arm assembly (1); A front-rear adjustment seat (31), wherein the front-rear adjustment seat (31) is rotatably connected to the third rocker arm (123) so that the left-right adjustment seat (21) is rotatably connected to the rocker arm assembly (1); An upper and lower hinge fixing seat (32), the front-rear adjustment seat (31) being mounted on the upper and lower hinge fixing seat (32), the upper and lower hinge fixing seat (32) being used to fix the front-rear adjustment seat (31) to the door body, and the upper and lower hinge fixing seat (32) being provided with an upper and lower front-rear adjustment component (312) for adjusting the front-rear adjustment seat (31) to move up and down or forward and backward; A left and right hinge fixing seat (22), the left and right adjustment seat (21) is installed on the left and right hinge fixing seat (22), the left and right hinge fixing seat (22) is used to fix the left and right adjustment seat (21) to the door frame, and the left and right hinge fixing seat (22) is provided with a left and right adjustment component (212) for adjusting the left and right movement of the left and right adjustment seat (21).

2. A three-dimensional hidden hinge according to claim 1, characterized in that: The left and right hinge fixing seats (22) are provided with a first installation groove (221), the left and right adjustment seats (21) are installed in the first installation groove (221), and the first installation groove (221) is provided with a left and right gap (201) for moving the left and right adjustment seats (21) left and right.

3. A three-dimensional hidden hinge according to claim 1, characterized in that: The upper and lower hinge fixing seats (32) are provided with a second mounting groove (321), the front-rear adjustment seat (31) is installed in the second mounting groove (321), and the second mounting groove (321) is provided with an upper and lower gap (301) for moving the front-rear adjustment seat (31) up and down and a front-rear gap (302) for moving the front-rear adjustment seat (31) forward and backward.

4. A three-dimensional hidden hinge according to claim 1, characterized in that: The first rocker arm (111) is provided with a first protrusion (1111), the second rocker arm (112) is provided with a first recess (1121), the first protrusion (1111) is provided with a third connecting hole (1003), the third connecting hole (1003) is connected vertically, and fourth connecting holes (1004) are respectively provided at both ends of the opening of the first recess (1121), the fourth connecting hole (1004) is connected vertically, the rocker arm assembly (1) further comprises a second short rotating shaft (10002), the second short rotating shaft (10002) passes through the third connecting hole (1003) and the fourth connecting hole (1004) so ​​that the first rocker arm (111) and the second rocker arm (112) are rotatably connected. The arm (123) is provided with a second recess (1231), the fourth rocker arm (124) is provided with a second protrusion (1241), the opening of the second recess (1231) is provided with fifth connecting holes (1005) at both ends, the fifth connecting hole (1005) is connected vertically, the far end (12411) of the second protrusion (1241) is provided with a sixth connecting hole (1006), the sixth connecting hole (1006) is connected vertically, and the rocker arm assembly (1) also includes a third short rotating shaft (10003), the third short rotating shaft (10003) passes through the fifth connecting hole (1005) and the sixth connecting hole (1006) so that the third rocker arm (123) is rotatably connected to the fourth rocker arm (124).

5. A three-dimensional hidden hinge according to claim 4, characterized in that: The first connecting holes (1001) are respectively provided at both ends of the middle part of the first recess (1121), and the first connecting hole (1001) is connected vertically. The second connecting hole (1002) is provided at the middle section (12412) of the second protrusion (1241), and the second connecting hole (1002) is connected vertically. The first short rotating shaft (10001) passes through the first connecting hole (1001) and the second connecting hole (1002), so that the third rocker arm (123) and the fourth rocker arm (124) are rotatably connected, so that the first rocker arm group (11) and the second rocker arm group (12) are rotatably connected.

6. A three-dimensional hidden hinge according to claim 5, characterized in that: A seventh connection hole (1007) is provided at one end of the first rocker arm (111) away from the second rocker arm (112), and the seventh connection hole (1007) is connected vertically. The left and right adjustment seats (21) include two symmetrically arranged slightly raised first connection walls (211), and an eighth connection hole (1008) is provided on the lower side of the first connection wall (211). The rocker arm assembly (1) also includes a first long rotating shaft (10004), and the first long rotating shaft (10004) passes through the seventh connection hole (1007) and the eighth connection hole (1008) so that the first rocker arm (111) and the left and right adjustment seats (21) are connected to each other. The left and right adjustment seats (21) are rotatably connected, a ninth connection hole (1009) is provided at one end of the fourth rocker arm (124) away from the third rocker arm (123), the ninth connection hole (1009) is passed through from top to bottom, a tenth connection hole (1010) is provided on the upper side of the first connection wall (211), the rocker arm assembly (1) further comprises a second long rotating shaft (10005), the second long rotating shaft (10005) passes through the ninth connection hole (1009) and the tenth connection hole (1010) so as to enable the fourth rocker arm (124) to be rotatably connected to the left and right adjustment seats (21), the third rocker arm An eleventh connecting hole (1011) is provided at one end of the arm (123) away from the fourth rocker arm (124), and the eleventh connecting hole (1011) is connected vertically, the front-rear adjustment seat (31) comprises two slightly raised second connecting walls (311) symmetrically arranged, and a twelfth connecting hole (1012) is provided on the lower side of the second connecting wall (311), and the rocker arm assembly (1) further comprises a third long rotating shaft (10006), and the third long rotating shaft (10006) passes through the eleventh connecting hole (1011) and the twelfth connecting hole (1012) so that the third rocker arm (123) and the The front-rear adjustment seat (31) is rotatably connected, a thirteenth connection hole (1013) is provided at one end of the second rocker arm (112) away from the first rocker arm (111), the thirteenth connection hole (1013) is connected vertically, a fourteenth connection hole (1014) is provided on the upper side of the second connection wall (311), and the rocker arm assembly (1) also includes a fourth long rotating shaft (10007), the fourth long rotating shaft (10007) passes through the thirteenth connection hole (1013) and the fourteenth connection hole (1014) so ​​that the second rocker arm (112) is rotatably connected to the front-rear adjustment seat (31).

7. A three-dimensional hidden hinge according to claim 1, characterized in that: The up-down front-back adjustment component (312) further comprises an up-down adjustment seat (3121), the up-down adjustment seat (3121) is provided with an elliptical up-down adjustment guide groove (31211) and an elliptical front-back adjustment guide groove (31212), the up-down adjustment guide groove (31211) and the front-back adjustment guide groove (31212) are arranged perpendicular to each other, the up-down front-back adjustment component (312) comprises a front-back adjustment screw hole (31221) and a front-back adjustment screw (31222), the front-back adjustment screw (31222) passes through the front-back adjustment guide groove (31212) and is fixed in the front-back adjustment screw hole (31221), the up-down front-back adjustment component (312) further comprises an up-down adjustment screw hole (31231) and an up-down adjustment screw (31232), the up-down adjustment screw (31232) passes through the The up-down adjustment guide groove (31211) is fixed in the up-down adjustment screw hole (31231), and the front-to-back adjustment seat (31) is connected to the up-down hinge fixing seat (32) through the up-down adjustment seat (3121). By moving the position of the up-down adjustment screw (31232) in the up-down adjustment guide groove (31211), the front-to-back adjustment seat (31) is moved up-down relative to the up-down hinge fixing seat (32), thereby causing the rocker arm group (1) to move up-down relative to the up-down hinge fixing seat (32). By moving the position of the front-to-back adjustment screw (31222) in the front-to-back adjustment guide groove (31212), the front-to-back adjustment seat (31) is moved forward and backward relative to the up-down hinge fixing seat (32), thereby causing the rocker arm group (1) to move forward and backward relative to the up-down hinge fixing seat (32).

8. The three-dimensional hidden hinge according to claim 1, characterized in that: The left-right adjustment seat (21) is provided with left-right adjustment screw holes (21211), the left-right adjustment assembly (212) further comprises left-right adjustment screws (21212), the left-right adjustment screws (21212) comprise threaded sections (212121) and mounting sections (212122), the mounting sections (212122) comprise first limiting pads (212123), the left-right hinge fixing seat (22) is provided with left-right adjustment mounting holes (2122), the left-right adjustment screw holes (21211) and the left-right adjustment mounting holes (2122) are connected vertically, the threaded sections (212121) of the left-right adjustment screws (21212) are screwed into the left-right adjustment screw holes (21211), the mounting sections (212122) of the left-right adjustment screws (21212) are inserted into the left-right adjustment mounting holes (2122) and the first limiting pads (212123) are connected vertically. 23) abuts against the upper wall (21221) of the left-right adjustment mounting hole (2122), the mounting section (212122) passes through one end of the left-right adjustment mounting hole (2122) away from the left-right adjustment screw hole (21211), the left-right adjustment component (212) also includes a second limiting pad (212124), the second limiting pad (212124) passes through the mounting section (212122) and is inserted into the lower wall (21222) of the left-right adjustment mounting hole (2122) and is fixedly connected to the mounting section (212122), and the left-right adjustment seat (21) is moved to the left and right positions of the left-right adjustment screw (21212) in the left-right adjustment screw hole (21211) so that the left-right adjustment seat (21) moves left and right relative to the left-right hinge fixing seat (22), thereby causing the rocker arm group (1) to move left and right relative to the left-right hinge fixing seat (22).

9. The three-dimensional hidden hinge according to claim 1, characterized in that: The left and right hinge fixing seats (22) further include a first mounting hole (2201) and a first mounting screw (2202), wherein the first mounting screw (2202) penetrates into the first mounting hole (2201) and is fixed to the door body so as to fix the left and right hinge fixing seats (22) to the door body. The upper and lower hinge fixing seats (32) further include a second mounting hole (3201) and a second mounting screw (3202), wherein the second mounting screw (3202) penetrates into the second mounting hole (3201) and is fixed to the door frame so as to fix the left and right hinge fixing seats (22) to the door frame. The left and right hinge fixing seats (22) further include a first decorative cover (2203), wherein the first decorative cover (2203) is detachably mounted on the upper surface of the left and right hinge fixing seats (22). The upper and lower hinge fixing seats (32) further include a second decorative cover (3203), wherein the second decorative cover (3203) is detachably mounted on the upper surface of the upper and lower hinge fixing seats (32).

10. The three-dimensional hidden hinge according to claim 6, characterized in that: The rocker arm assembly (1) further comprises a shaft sleeve (4), wherein the shaft sleeve (4) is sleeved on both ends of the first short rotating shaft (10001), the second short rotating shaft (10002), the third short rotating shaft (10003), the first long rotating shaft (10004), the second long rotating shaft (10005), the third long rotating shaft (10006) and the fourth long rotating shaft (10007).

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