Uncovered large-angle opening and closing linkage mechanism of interlocking hinge

By designing the hinges embedded in the side plate and the door plate, and the shared main link and linkage rod in the interlocking hinge, the organic linkage in the process of large-angle opening and closing is achieved, and the problems of disorder and irregularity in the existing technology are solved. , improves the application experience and aesthetics of home products.

CN119244100APending Publication Date: 2025-01-03ZHEJIANG QIANHE TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202410994452.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-07-24
Publication Date
2025-01-03

AI Technical Summary

Technical Problem

There are problems of disorder, irregularity and no linkage in the process of opening and closing of existing interlocking hinges at large angles, which affects the application experience and aesthetics of home products.

Method used

A mechanism including a side plate interlocking hinge embedded in the side plate, a door plate interlocking hinge embedded in the door plate, a shared main link and a linkage rod hinged with both are designed, and is connected by grooves and rotation. The articulated structure of the rod realizes the synchronous opening and closing of the door panel and the side panel.

Benefits of technology

It solves the problem of irregular and disorderly rotation of the door panel and side panels during the opening and closing of the interlocking hinge, and realizes organic linkage, improving the application experience and aesthetics of home products.

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Abstract

The interlocking hinge uncovered large-angle opening and closing linkage mechanism comprises a side plate interlocking hinge, a door plate interlocking hinge, an interlocking hinge shared main connecting rod and a linkage rod, a groove is formed in the interlocking hinge shared main connecting rod, and a side plate interlocking hinge rotating connecting rod, a door plate interlocking hinge rotating connecting rod and the linkage rod are arranged in the groove; a shaft hole in one end of the side plate interlocking hinge rotating connecting rod is hinged with the side plate interlocking hinge, and a shaft hole in the other end is hinged with the common main connecting rod; a shaft hole in one end of the door plate interlocking hinge rotating connecting rod is hinged to the door plate interlocking hinge, and a shaft hole in the other end is hinged to the interlocking hinge shared main connecting rod. One end of the linkage rod is hinged to the side plate interlocking hinge rotating connecting rod, and the other end of the linkage rod is hinged to the door plate interlocking hinge rotating connecting rod. The problems that in the opening and closing process of an existing interlocking hinge, a door plate interlocking hinge and a side plate interlocking hinge rotate irregularly, opening and closing are disordered, and organic linkage does not exist are solved.
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Description

Technical Field

[0001] The invention relates to the technical field of interlocking hinges, in particular to an interlocking hinge large-angle opening and closing linkage mechanism. Background Art

[0002] The existing market does not have a linkage solution or product for an interlocking hinge that does not cover large-angle opening and closing.

[0003] Traditional large-angle opening and closing hinges are bulky, have imprecise three-dimensional adjustment, are not coordinated with home furnishings, and have limited application range; traditional exposed axis hinges are not invisible and have no three-dimensional adjustment.

[0004] The above-mentioned traditional large-angle opening and closing hinges seriously affect the application experience of home furnishing products and the texture and aesthetics of home furnishing products. For example, an interlocking hinge uncovered large-angle opening and closing three-dimensional device with application number ZL 202222959220.X, although it solves the pain points and difficulties in the application of home hinges on the current market, does not specifically solve the problems of disorder, irregularity and lack of linkage in the uncovered large-angle opening and closing process. Therefore, an interlocking hinge uncovered large-angle opening and closing linkage mechanism can solve the pain points and difficulties of all hinges in the application of uncovered large-angle opening and closing home products.

[0005] The invention provides an interlocking hinge large-angle opening and closing linkage mechanism to solve the problems of disorder, irregularity and lack of linkage in the conventional interlocking hinge large-angle opening and closing process. Summary of the invention

[0006] The purpose of the present invention is to provide an interlocking hinge large-angle opening and closing linkage mechanism to solve the problems of disorder, irregularity and lack of linkage in the previous interlocking hinge large-angle opening and closing process.

[0007] To achieve the above object, the present invention provides the following solutions:

[0008] An interlocking hinge does not cover a large-angle opening and closing linkage mechanism, comprising a side panel interlocking hinge embedded in a side panel, a door panel interlocking hinge embedded in a door panel, an interlocking hinge common main connecting rod and a linkage rod hinged to the side panel interlocking hinge and the door panel interlocking hinge, the interlocking hinge common main connecting rod being provided with a groove, the groove being provided with a side panel interlocking hinge rotating connecting rod, a door panel interlocking hinge rotating connecting rod and a linkage rod, one end shaft hole of the side panel interlocking hinge rotating connecting rod being hinged to the side panel interlocking hinge, the other end shaft hole being hinged to the linkage rod, and the middle shaft hole being hinged to the interlocking hinge common main connecting rod; one end shaft hole of the door panel interlocking hinge rotating connecting rod being hinged to the door panel interlocking hinge, the other end shaft hole being hinged to the interlocking hinge common main connecting rod, and the middle shaft hole being hinged to the linkage rod; one end of the linkage rod being hinged to the side panel interlocking hinge rotating connecting rod, and the other end being hinged to the door panel interlocking hinge rotating connecting rod. The door panel is opened and closed by rotating relative to the side panel through the interlocking hinge and the large-angle opening and closing linkage mechanism.

[0009] Preferably, the side panel interlocking hinge includes a side panel interlocking hinge fastening seat fixed in the side panel, a side panel interlocking hinge spring seat arranged on the side panel interlocking hinge fastening seat, a side panel interlocking hinge mounting seat arranged on the side panel interlocking hinge spring seat, a side panel interlocking hinge rotating connecting rod arranged in the side panel interlocking hinge mounting seat groove and a common main connecting rod slidably connected to the side panel interlocking hinge mounting seat sliding groove.

[0010] Preferably, the side panel interlocking hinge fastening seat is provided with an axis hole Q and an axis hole R respectively connected to the two side panel interlocking hinge fastening knife shafts, a first middle groove for accommodating the side panel interlocking hinge fastening knife, an adjustment axis hole S for connecting the front and rear adjustment eccentric screws of the side panel interlocking hinge, a limit hole T and a limit hole U respectively connected to the adjustment screws of the side panel interlocking hinge fastening knife, a sliding groove for accommodating the interlocking hinge spring slider, and a first slot hole for accommodating the side panel interlocking hinge mounting seat.

[0011] Preferably, the side panel interlocking hinge spring seat is provided with a front and rear adjustment hole V for connecting the front and rear adjustment eccentric screws of the side panel interlocking hinge, a spring seat shaft hole i for connecting the interlocking hinge spring, front and rear sliding holes for respectively connecting the side panel interlocking hinge fastening knife adjustment screws, a slider groove for accommodating the side panel interlocking hinge spring slider, a second slot hole for accommodating the side panel interlocking hinge mounting seat, a bottom support for the interlocking hinge spring, a first locking piece for locking the side panel interlocking hinge mounting seat, and a second locking piece for locking the interlocking hinge spring slider.

[0012] Preferably, the side panel interlocking hinge mounting seat is provided with a third slot hole for accommodating the side panel interlocking hinge rotating connecting rod, an axial hole M for connecting the side panel interlocking hinge rotating connecting rod, a sliding groove for connecting the interlocking hinge common main connecting rod, a front and rear adjustment eccentric hole N for accommodating the eccentric limit segment of the front and rear adjustment eccentric screw of the side panel interlocking hinge, and a card slot for clamping with the side panel interlocking hinge spring seat; the side panel interlocking hinge rotating connecting rod is provided with an axial hole A for connecting the linkage rod, and a slot for connecting the interlocking hinge common main connecting rod. Use the axial hole B of the main connecting rod and the axial hole C for connecting the side panel interlocking hinge mounting seat; one end of the interlocking hinge common main connecting rod is provided with an axial hole I for connecting the side panel interlocking hinge mounting seat slide groove, and a groove for accommodating the side panel interlocking hinge rotating connecting rod, the door panel interlocking hinge rotating connecting rod and the linkage rod, the other end is provided with an axial hole J for connecting the door panel interlocking hinge mounting seat slide groove, and the middle part is provided with an axial hole K for connecting the side panel interlocking hinge rotating connecting rod and an axial hole L for connecting the door panel interlocking hinge rotating connecting rod.

[0013] Preferably, the door panel interlocking hinge includes a door panel interlocking hinge fastening seat fixed in the door panel, a door panel interlocking hinge moving positioning seat arranged on the door panel interlocking hinge fastening seat, a door panel interlocking hinge mounting seat arranged on the door panel interlocking hinge moving positioning seat, a door panel interlocking hinge rotating connecting rod arranged in the door panel interlocking hinge mounting seat groove and a common main connecting rod slidingly connected to the side panel interlocking hinge mounting seat sliding groove.

[0014] Preferably, the door panel interlocking hinge fastening seat is respectively provided with an axial hole a1 and an axial hole a2 for connecting the door panel interlocking hinge fastening knife, an axial hole b1 and an axial hole b2 for connecting the door panel interlocking hinge moving positioning seat, an axial hole c1 and an axial hole c2 for accommodating the adjusting screw limit section of the door panel interlocking hinge fastening knife, a second middle groove for accommodating the door panel interlocking hinge fastening knife, and a fourth slot hole for accommodating the door panel interlocking hinge mounting seat.

[0015] Preferably, the door panel interlocking hinge movable positioning seat is provided with a fifth slot hole for accommodating the door panel interlocking hinge mounting seat, an axial hole f for connecting the door panel interlocking hinge left and right adjustment eccentric screws, an upper and lower adjustment hole d for connecting the door panel interlocking hinge up and down adjustment eccentric screws, an upper and lower adjustment fixing slot hole e for connecting the door panel interlocking hinge up and down adjustment fixing screws, and a third positioning piece and a fourth positioning piece.

[0016] Preferably, the door panel interlocking hinge mounting seat is provided with a sixth slot hole for accommodating the door panel interlocking hinge rotating link, an axial hole O for connecting the door panel interlocking hinge rotating link, a sliding groove for connecting the interlocking hinge common main connecting rod, left and right adjustment eccentric holes P for connecting the door panel interlocking hinge moving positioning seat, and a fifth positioning piece and a sixth positioning piece on both sides; the door panel interlocking hinge rotating link is provided with an axial hole D for connecting the linkage rod, an axial hole E for connecting the interlocking hinge common main connecting rod, and an axial hole F for connecting the door panel interlocking hinge mounting seat.

[0017] Preferably, one end of the linkage rod is provided with an axial hole G for connecting to the rotating link of the side panel interlocking hinge, and the other end is provided with an axial hole H for connecting to the rotating link of the door panel interlocking hinge.

[0018] Compared with the prior art, the present invention has achieved the following technical effects:

[0019] 1. The present invention includes a side panel interlocking hinge embedded in the side panel, a door panel interlocking hinge embedded in the door panel, a common main connecting rod and a linkage rod for interlocking hinges hinged with the side panel interlocking hinge and the door panel interlocking hinge, the common main connecting rod for interlocking hinges is provided with a groove, in which a side panel interlocking hinge rotating connecting rod, a door panel interlocking hinge rotating connecting rod and a linkage rod are arranged, one end hole of the side panel interlocking hinge rotating connecting rod is hinged with the side panel interlocking hinge, the other end hole is hinged with the linkage rod, and the middle hole is hinged with the common main connecting rod for interlocking hinges; one end hole of the door panel interlocking hinge rotating connecting rod is hinged with the door panel interlocking hinge, the other end hole is hinged with the common main connecting rod for interlocking hinges, and the middle hole is hinged with the linkage rod; one end of the linkage rod is hinged with the side panel interlocking hinge rotating connecting rod, and the other end is hinged with the door panel interlocking hinge rotating connecting rod. The door panel is rotated and opened and closed relative to the side panel through the interlocking hinge without covering the large-angle opening and closing linkage mechanism, which solves the problem that the door panel interlocking hinge and the side panel interlocking hinge rotate irregularly, open and close in a disorderly manner, and have no organic linkage during the opening and closing process of the existing interlocking hinges. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, 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 labor.

[0021] Figure 1 It is a schematic structural diagram of the present invention when the interlocking hinge without cover is opened at a large angle (door panel).

[0022] Figure 2 It is a schematic structural diagram of the present invention when the interlocking hinge of the cover is in a large-angle (door panel) closed state.

[0023] Figure 3 It is a schematic structural diagram of the cover interlocking hinge of the present invention when it is opened at a large angle.

[0024] Figure 4 It is a schematic diagram of the structure of the cover interlocking hinge in a large-angle closed state of the present invention.

[0025] Figure 5 It is a schematic structural diagram of the side panel interlocking hinge 1 of the present invention.

[0026] Figure 6 It is a schematic structural diagram of the door panel interlocking hinge 2 of the present invention.

[0027] Figure 7 It is a schematic structural diagram of the side panel interlocking hinge rotating connecting rod 5 of the present invention.

[0028] Figure 8 It is a schematic structural diagram of the side panel interlocking hinge fastening seat 7 of the present invention.

[0029] Fig. 9 It is a schematic structural diagram of the side panel interlocking hinge spring seat 8 of the present invention.

[0030] Fig.10 It is a schematic diagram of the structure of the side panel interlocking hinge fastening knife 9a of the present invention.

[0031] Fig.11 It is a schematic diagram of the structure of the side panel interlocking hinge fastening knife 9b of the present invention.

[0032] Fig.12 It is a schematic structural diagram of the side panel interlocking hinge mounting seat 10 of the present invention.

[0033] Fig.13 It is a schematic structural diagram of the side panel interlocking hinge fastening knife adjusting screw 11a of the present invention.

[0034] Fig.14 It is a schematic structural diagram of the side panel interlocking hinge fastening knife adjusting screw 11b of the present invention.

[0035] Fig.15 It is a structural schematic diagram of the eccentric screw 12 for adjusting the side panel interlocking hinge forward and backward according to the present invention.

[0036] Fig.16 It is a schematic structural diagram of the common main connecting rod 13 of the interlocking hinges of the present invention.

[0037] Fig.17 It is a schematic structural diagram of the interlocking hinges of the present invention sharing the main connecting rod door panel sliding shaft 46.

[0038] Fig.18 It is a schematic structural diagram of the common main connecting rod side plate sliding shaft 47 of the lock hinge of the present invention.

[0039] Fig.19 It is a schematic structural diagram of the linkage rod 4 of the present invention.

[0040] Fig. 20 It is a schematic structural diagram of the interlocking hinge spring slider 13a of the present invention.

[0041] Fig.21 It is a schematic structural diagram of the interlocking hinge spring slider 13b of the present invention.

[0042] Fig. 22It is a schematic structural diagram of the interlocking hinge spring 38 of the present invention.

[0043] Fig.23 It is a schematic structural diagram of the door panel interlocking hinge rotating connecting rod 6 of the present invention.

[0044] Fig.24 It is a schematic structural diagram of the door panel interlocking hinge fastening seat 14 of the present invention.

[0045] Fig.25 It is a schematic structural diagram of the door panel interlocking hinge fastening knife 21a of the present invention.

[0046] Fig.26 It is a schematic structural diagram of the door panel interlocking hinge fastening knife 21b of the present invention.

[0047] Fig. 27 It is a schematic structural diagram of the door panel interlocking hinge movable locking seat 15 of the present invention.

[0048] Fig.28 It is a schematic structural diagram of the door panel interlocking hinge mounting seat 16 of the present invention.

[0049] Fig.29 It is a structural schematic diagram of the left-right adjustment eccentric screw 17 of the door panel interlocking hinge of the present invention.

[0050] Fig.30 It is a structural schematic diagram of the eccentric screw 19 for adjusting the door panel interlocking hinge up and down according to the present invention.

[0051] Fig.31 It is a schematic structural diagram of the door panel interlocking hinge upper and lower adjustment fixing screw 20 of the present invention.

[0052] Fig.32 It is a schematic structural diagram of the door panel interlocking hinge fastening knife adjusting screw 18a of the present invention.

[0053] Fig.33 It is a schematic structural diagram of the door panel interlocking hinge fastening knife adjusting screw 18b of the present invention.

[0054] Fig.34 It is a schematic structural diagram of the side panel interlocking hinge partial assembly 39 of the present invention.

[0055] Fig.35 It is a schematic structural diagram of the door panel interlocking hinge partial assembly 71 of the present invention.

[0056] Fig.36 It is a structural schematic diagram of the door panel interlocking hinge mounting seat and the movable locking seat assembly 72 of the present invention.

[0057] Fig.37 It is a structural schematic diagram of the movable locking seat and fastening seat assembly 73 of the door panel interlocking hinge of the present invention.

[0058] Fig.38 It is a structural schematic diagram of the side panel interlocking hinge of the present invention in the closed slider state 74.

[0059] Fig.39 It is a schematic structural diagram of the side panel interlocking hinge part of the present invention in the open slider state 75.

[0060] Fig.40 It is a structural schematic diagram of the side panel interlocking hinge of the present invention in the fully opened slider state 76.

[0061] Fig.41 It is a schematic structural diagram of the side panel interlocking hinge mounting seat and spring seat assembly 78 of the present invention.

[0062] Fig.42 It is a structural schematic diagram of the side panel interlocking hinge spring seat and fastening seat assembly 79 of the present invention. DETAILED DESCRIPTION

[0063] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0064] The purpose of the present invention is to provide an interlocking hinge large-angle opening and closing linkage mechanism to solve the problems of disorder, irregularity and lack of linkage in the previous large-angle opening and closing process.

[0065] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0066] refer to Figure 1 to Figure 2, an interlocking hinge does not cover a large-angle opening and closing linkage mechanism, comprising a side panel interlocking hinge embedded in the side panel, a door panel interlocking hinge embedded in the door panel, an interlocking hinge common main connecting rod and a connecting rod hinged with the side panel interlocking hinge and the door panel interlocking hinge, the interlocking hinge common main connecting rod is provided with a groove for opening, and the groove is provided with a side panel interlocking hinge rotating connecting rod, a door panel interlocking hinge rotating connecting rod and a connecting rod, one end hole of the side panel interlocking hinge rotating connecting rod is hinged with the side panel interlocking hinge, the other end hole is hinged with the connecting rod, and the middle hole is hinged with the interlocking hinge common main connecting rod; one end hole of the door panel interlocking hinge rotating connecting rod is hinged with the door panel interlocking hinge, the other end hole is hinged with the interlocking hinge common main connecting rod, and the middle hole is hinged with the connecting rod; one end of the connecting rod is hinged with the side panel interlocking hinge rotating connecting rod, and the other end is hinged with the door panel interlocking hinge rotating connecting rod. The door panel is rotated and opened and closed relative to the side panel through the interlocking hinge without covering the large-angle opening and closing linkage mechanism, which solves the problem that the door panel interlocking hinge and the side panel interlocking hinge rotate irregularly, open and close in a disorderly manner, and have no organic linkage during the opening and closing process of the existing interlocking hinges.

[0067] refer to Figure 2 , 5 , 7, 16, 19, 12, the side panel interlocking hinge rotating connecting rod 5 has an axial hole A connected to the linkage rod 4, an axial hole B connected to the interlocking hinge common main connecting rod 3 and an axial hole C connected to the side panel interlocking hinge mounting seat 10.

[0068] refer to Figure 8 , 20 , 21, 10, 11, 12, 5, the side panel interlocking hinge fastening seat 7, with an axial hole Q and an axial hole R respectively connected to the side panel interlocking hinge fastening knives 9a, 9b, with an intermediate groove 50 for accommodating the side panel interlocking hinge fastening knives 9a, 9b, with an adjustment axial hole S for connecting the side panel interlocking hinge front and rear adjustment eccentric screw 12, with a limiting hole T and a limiting hole U respectively connected to the side panel interlocking hinge fastening knife adjustment screws 11a, 11b, with a sliding groove 31 for accommodating the interlocking hinge spring sliders 13a, 13b, and with a slot hole W for accommodating the side panel interlocking hinge mounting seat 10.

[0069] refer to Fig. 9 , 15, 22, 13, 14, 20, 21, 12, 5, the side panel interlocking hinge spring seat 8, has a front and rear adjustment hole V for connecting the side panel interlocking hinge front and rear adjustment eccentric screw 12, has a spring seat shaft hole i for connecting the interlocking hinge spring 38, has front and rear sliding holes X1, X2 for connecting the side panel interlocking hinge fastening knife adjustment screws 11a, 11b respectively, has slider grooves 24a, 24b for accommodating the side panel interlocking hinge spring sliders 13a, 13b respectively, has a groove 40 for accommodating the side panel interlocking hinge mounting seat 10, has a bottom support 30 for the interlocking hinge spring 38, has a first clamping piece 77 for clamping the side panel interlocking hinge mounting seat 10, has second clamping pieces 55a, 55b for clamping the interlocking hinge spring sliders 13a, 13b respectively.

[0070] refer to Fig.10 , 8 , 13, 5, the side panel interlocking hinge fastening knife 9a is provided with an axial hole Y1 connected to the side panel interlocking hinge fastening seat 7, and is provided with a tension adjustment hole Z1 for accommodating the tension adjustment section 34a of the side panel interlocking hinge fastening knife adjusting screw 11a.

[0071] refer to Fig.11 , 8 , 14, 5, the side panel interlocking hinge fastening knife 9b is provided with an axial hole Y2 connected to the side panel interlocking hinge fastening seat 7, and is provided with a tension adjustment hole Z2 for accommodating the tension adjustment section 34b of the side panel interlocking hinge fastening knife adjusting screw 11b.

[0072] refer to Fig.12 , 7 , 15, 16, 5, the side panel interlocking hinge mounting seat 10 is provided with a groove 23 for accommodating the side panel interlocking hinge rotating connecting rod 5, an axial hole M for connecting the side panel interlocking hinge rotating connecting rod 5, a sliding groove 49 for connecting the interlocking hinge common main connecting rod 3, a front and rear adjustment eccentric hole N for accommodating the eccentric limiting section 60 of the side panel interlocking hinge front and rear adjustment eccentric screw 12, and a card slot 29a, 29b for engaging with the side panel interlocking hinge spring seat 8.

[0073] refer to Fig.13 , 5 The side plate interlocking hinge fastening knife adjusting screw 11a is provided with a limited position section 32a, an adjustment fixing section 33a, a tension adjustment section 34a, and a riveted shaft head 35a.

[0074] refer to Fig.14 , 5 The side plate interlocking hinge fastening knife adjusting screw 11b is provided with a limited position section 32b, an adjustment fixing section 33b, a tension adjustment section 34b, and a riveted shaft head 35b.

[0075] refer to Fig.15 , 5The side panel interlocking hinge is adjusted forward and backward by an eccentric screw 12, an eccentric fixing section 61 is opened, an eccentric limiting section 60 is opened, and a riveted shaft head 59 is opened.

[0076] refer to Fig.16 , 12 , 7, 23, 19, 28, 5, 2, one end of the interlocking hinge common main connecting rod 3 is provided with an axial hole I connected to the slide groove 49 of the side panel interlocking hinge mounting seat 10, and a groove 28 for accommodating the side panel interlocking hinge rotating connecting rod 5, the door panel interlocking hinge rotating connecting rod 6 and the linkage rod 4, the other end is provided with an axial hole J connected to the slide groove 26 of the door panel interlocking hinge mounting seat 16, and the middle part is provided with an axial hole K connected to the side panel interlocking hinge rotating connecting rod 5 and an axial hole L connected to the door panel interlocking hinge rotating connecting rod 6.

[0077] refer to Fig.17 , the interlocking hinges share the main connecting rod door panel sliding shaft 46.

[0078] refer to Fig.18 , the interlocking hinges share the main connecting rod side plate sliding shaft 47.

[0079] refer to Fig.19 , 7 , 23, 2, an axial hole G is formed at one end of the linkage rod 4 for connecting the side panel interlocking hinge rotating link 5, and an axial hole H is formed at the other end for connecting the door panel interlocking hinge rotating link 6.

[0080] refer to Fig. 20 , 17 , 9, 5, the interlocking hinge spring slider 13a is provided with a first slide groove 36a and a second slide groove 37a for accommodating the two ends of the interlocking hinge common main connecting rod side plate sliding shaft 47, a spring arm slide groove 22a, and an upper inclined surface 56a and a lower inclined surface 56b for clamping the side plate interlocking hinge spring seat 8.

[0081] refer to Fig.21 , 17 , 9, 5, the interlocking hinge spring slider 13b is provided with a first slide groove 36b and a second slide groove 37b for accommodating the two ends of the interlocking hinge common main connecting rod side plate sliding shaft 47, a spring arm slide groove 22b, and an upper inclined surface 80a and a lower inclined surface 80b for clamping the side plate interlocking hinge spring seat 8.

[0082] refer to Fig. 22 , 5 The interlocking hinge spring 38 is designed with a spring shaft hole j, spring arms 51a, 51b, and a spring support 52.

[0083] refer to Fig.23 , 19, 16, 28, 6, the door panel interlocking hinge rotating connecting rod 6 has an axial hole D connected to the linkage rod 4, an axial hole E connected to the interlocking hinge common main connecting rod 3, and an axial hole F connected to the door panel interlocking hinge mounting seat 16.

[0084] refer to Fig.24 , 25 , 26, 27, 32, 33, 28, 35, the door panel interlocking hinge fastening seat 14, respectively, with shaft holes a1, a2 connected to the door panel interlocking hinge fastening knives 21a, 21b, with shaft holes b1, b2 connected to the door panel interlocking hinge moving positioning seat 15, respectively, with shaft holes c1, c2 for accommodating the door panel interlocking hinge fastening knife adjusting screws 18a, 18b limiting sections 43a, 43b, with a middle groove 41 for accommodating the door panel interlocking hinge fastening knives 21a, 21b, and with a slot hole 42 for accommodating the door panel interlocking hinge mounting seat 16.

[0085] refer to Fig.25 , 24 , 32, 35, the door panel interlocking hinge fastening knife 21a is provided with an axial hole g1 connected to the door panel interlocking hinge fastening seat 14, and a tension adjustment hole h1 is provided to accommodate the tension adjustment section 44a of the door panel interlocking hinge fastening knife adjustment screw 18a.

[0086] refer to Fig.26 , 24 , 33, 35, the door panel interlocking hinge fastening knife 21b is provided with an axial hole g2 connected to the door panel interlocking hinge fastening seat 14, and is provided with a tension adjustment hole h2 for accommodating the tension adjustment section 44b of the door panel interlocking hinge fastening knife adjustment screw 18b.

[0087] refer to Fig. 27 , 28 , 29, 30, 31, 6, the door panel interlocking hinge moving card seat 15 is provided with a groove 57 for accommodating the door panel interlocking hinge mounting seat 16, an axial hole f is provided for connecting the door panel interlocking hinge left and right adjustment eccentric screw 17, an up and down adjustment hole d is provided for connecting the door panel interlocking hinge up and down adjustment eccentric screw 19, an up and down adjustment retaining slot hole e is provided for connecting the door panel interlocking hinge up and down adjustment retaining screw 20, and a third card plate 53 and a fourth card plate 54 are provided.

[0088] refer to Fig.28 , 23 , 16, 27, 6, the door panel interlocking hinge mounting seat 16 is provided with a groove 58 for accommodating the door panel interlocking hinge rotating link 6, an axial hole O for connecting the door panel interlocking hinge rotating link 6, a sliding groove 26 for connecting the interlocking hinge common main link 3, a left and right adjustment eccentric hole P for connecting the door panel interlocking hinge moving positioning seat 15, and a fifth positioning piece 27a and a sixth positioning piece 27b on both sides.

[0089] refer to Fig.29 The door panel interlocking hinge has an eccentric screw 17 that adjusts left and right, an eccentric fixing section 64, an eccentric limiting section 63, and a riveted shaft head 62.

[0090] refer to Fig.30 The door panel interlocking hinge has an eccentric screw 19 that adjusts up and down, an eccentric fixing section 65, an eccentric limiting section 66, and a riveted shaft head 67.

[0091] refer to Fig.31 The door panel interlocking hinge has a fixing screw 20 for adjusting the upper and lower parts, a fixing section 68, a riveted shaft head 69, and a shaft section 70.

[0092] refer to Fig.32 The door panel interlocking hinge fastening knife adjusting screw 18a is provided with a fixing section 81a, a limiting section 43a, a tension adjustment section 44a, and a riveted shaft head 45a.

[0093] refer to Fig.33 The door panel interlocking hinge fastening knife adjusting screw 18b is provided with a fixing section 81b, a limiting section 43b, a tension adjustment section 44b, and a riveted shaft head 45b.

[0094] refer to Figure 7 , 12 , 19, 16, 2, the side panel interlocking hinge rotating link 5 is placed in the groove 23 of the side panel interlocking hinge mounting seat 10, the axial hole C of the side panel interlocking hinge rotating link 5 is hinged to the axial hole M of the side panel interlocking hinge mounting seat 10 through the shaft, the axial hole A of the side panel interlocking hinge rotating link 5 is hinged to the axial hole G of the linkage rod 4 through the shaft, and the axial hole B of the side panel interlocking hinge rotating link 5 is hinged to the axial hole K of the main connecting rod 3 shared by the interlocking hinge.

[0095] refer to Fig.23 , 28 , 19, 16, 1, 2, the door panel interlocking hinge rotating link 6 is placed in the groove 58 of the door panel interlocking hinge mounting seat 16, the axial hole F of the door panel interlocking hinge rotating link 6 is hinged with the axial hole O of the door panel interlocking hinge mounting seat 16 through the shaft, the axial hole D of the door panel interlocking hinge rotating link 6 is hinged with the axial hole H of the linkage rod 4 through the shaft, and the axial hole E of the door panel interlocking hinge rotating link 6 is hinged with the axial hole L of the main connecting rod 3 shared by the interlocking hinge.

[0096] refer to Fig.19 , 7 , 23, 2, the axial hole G at one end of the linkage rod 4 is hinged to the axial hole A of the rotating connecting rod 5 of the side panel interlocking hinge through the shaft, and the axial hole H at the other end is hinged to the axial hole D of the rotating connecting rod 6 of the door panel interlocking hinge through the shaft.

[0097] refer to Fig.16 , 17, 18, 12, 28, 7, 23, 19, 1, 2, the shaft hole I at one end of the interlocking hinge common main connecting rod 3 is slidably connected with the sliding groove 49 of the side panel interlocking hinge mounting seat 10 through the interlocking hinge common main connecting rod side panel sliding shaft 47, and the shaft hole J at the other end is slidably connected with the sliding groove 26 of the door panel interlocking hinge mounting seat 16 through the interlocking hinge common main connecting rod door panel sliding shaft 46, and the middle part is provided with a shaft hole K for connecting the side panel interlocking hinge rotation connecting rod and a shaft hole L for connecting the door panel interlocking hinge rotation connecting rod. The side panel interlocking hinge rotation connecting rod 5 and the door panel interlocking hinge rotation connecting rod 6 are hingedly built into the groove 28 of the interlocking hinge common main connecting rod 3 through the linkage rod 4. The side panel interlocking hinge 1 and the door panel interlocking hinge 2 form a whole that opens and closes at a large angle and rotates synchronously through the connection of the interlocking hinge common main connecting rod 3 and the linkage rod 4.

[0098] The method of use of the present invention is as follows:

[0099] When the door panel is opened, the door panel interlocking hinge 2 rotates, and the side panel interlocking hinge 1 is driven to rotate synchronously through the linkage rod 4 and the interlocking hinge common main connecting rod 3, and opened to the designed large angle position. Vice versa.

[0100] refer to Fig.12 , 9, 15, 14, 1, 35, the side panel interlocking hinge mounting seat 10 is sequentially placed in the groove 40 of the side panel interlocking hinge spring seat 8 and the groove W of the side panel interlocking hinge fastening seat 7, and the card slots 29a, 29b of the side panel interlocking hinge mounting seat 10 are engaged with the card position piece 77 of the side panel interlocking hinge spring seat 8; the bottom surface of the side panel interlocking hinge spring seat 8 is placed on the upper plane of the side panel interlocking hinge fastening seat 7; the bottom surface of the eccentric fixing section 61 of the side panel interlocking hinge front and rear adjustment eccentric screw 12 is placed On the upper side of the front and rear adjustment eccentric hole N of the side panel interlocking hinge mounting seat 10, the eccentric limiting section 60 is sequentially placed in the front and rear adjustment eccentric hole N of the side panel interlocking hinge mounting seat 10 and the front and rear adjustment hole V of the side panel interlocking hinge spring seat 8, the riveted shaft head 59 is placed in the adjustment shaft hole S of the side panel interlocking hinge fastening seat 7, and is riveted to the bottom of the adjustment shaft hole S of the side panel interlocking hinge fastening seat 7; the side panel interlocking hinge fastening knife adjustment screws 11a and 11b are respectively placed in the front and rear adjustment holes of the side panel interlocking hinge spring seat 8 The sliding holes X1, X2 and the fastening seat limiting hole T and the fastening seat limiting hole U of the side panel interlocking hinge fastening seat 7, wherein the bottom surfaces of the side panel interlocking hinge fastening knife adjusting screws 11a, 11b adjusting fixing sections 33a, 33b are respectively placed on the upper plane of the side panel interlocking hinge spring seat 8, and the side panel interlocking hinge fastening knife adjusting screws 11a, 11b limiting sections 32a, 32b are respectively placed in sequence on the front and rear sliding holes X1, X2 of the side panel interlocking hinge spring seat 8 and the side panel interlocking hinge spring seat 8. The side panel interlocking hinge fastening knife adjustment screws 11a, 11b are respectively placed in the limit holes T and limit holes U of the hinge fastening seat 7, and the tightness adjustment sections 34a, 34b of the side panel interlocking hinge fastening knife adjustment screws 11a, 11b are respectively placed in the tightness adjustment holes Z1, Z2 of the side panel interlocking hinge fastening knives 9a, 9b in the middle groove 50 of the side panel interlocking hinge fastening seat 7, and the side panel interlocking hinge fastening knife adjustment screws 11a, 11b riveted shaft heads 35a, 35b are respectively riveted to the bottom surfaces of the limit holes T and limit holes U of the side panel interlocking hinge fastening seat 7.

[0101] refer to Fig.15 , 12 , 9, 13, 14, 1, 35, rotate the side panel interlocking hinge forward and backward adjustment eccentric screw 12, the eccentric limiting segment 60 of the side panel interlocking hinge forward and backward adjustment eccentric screw 12 drives the side panel interlocking hinge mounting seat 10 and the side panel interlocking hinge spring seat 8 to slide along the side panel interlocking hinge fastening knife adjustment eccentric screws 11a, 11b's limiting segments 32a, 32b in the side panel interlocking hinge spring seat 8 front and rear sliding holes X1, X2, thereby driving the door panel to move forward and backward to complete the front and rear adjustment of the door panel.

[0102] refer to Fig.34 , 10, 11, 8, 14, 9, 25, 26, 13, the side panel interlocking hinge fastening knife 9a and the side panel interlocking hinge fastening knife 9b are respectively placed on both sides of the middle groove 50 of the side panel interlocking hinge fastening seat 7, the axial hole Y1 at one end of the side panel interlocking hinge fastening knife 9a is hinged with the axial hole R of the side panel interlocking hinge fastening seat 7 through the shaft, and the tension adjustment hole Z1 at the other end is connected with the front and rear sliding holes X2 and the side panel interlocking hinge fastening hole X2 through the side panel interlocking hinge spring seat 8. The side panel interlocking hinge fastening knife adjusting screw 11b and the tension adjustment section 34b of the seat 7 limit hole U are hinged; the axial hole Y2 at one end of the side panel interlocking hinge fastening knife 9b is hinged with the axial hole Q of the side panel interlocking hinge fastening seat 7 through the axis, and the tension adjustment hole Z2 at the other end is hinged with the side panel interlocking hinge fastening knife adjusting screw 11a and the tension adjustment section 34a through the front and rear sliding holes X1 of the side panel interlocking hinge spring seat 8 and the limit hole T of the side panel interlocking hinge fastening seat 7. The connection method of the door panel interlocking hinge fastening knives 21a and 21b is the same.

[0103] refer to Fig.13 , 5 , 8, 10, 34, rotate the side panel interlocking hinge fastening knife adjusting screw 11a, its limiting section 32a rotates in the limiting hole U of the side panel interlocking hinge fastening seat 7 and the front and rear sliding holes X2 of the side panel interlocking hinge spring seat 8, and its tension adjustment section 34a acts on the tension adjustment hole Z1 of the side panel interlocking hinge fastening knife 9a, and the side panel interlocking hinge fastening knife 9a expands toward the outer circle of the side panel interlocking hinge fastening seat 7 with the shaft hole Y1 as the center of the circle according to the designed curve rule to achieve the tightening effect; rotate the side panel interlocking hinge fastening knife adjusting screw 11a in the opposite direction, and the side panel interlocking hinge fastening knife 9a will take Y1 as the center of the circle, and as the tension adjustment section 34a of the side panel interlocking hinge fastening knife adjusting screw 11a interacts with the tension adjustment hole Z1 of the side panel interlocking hinge fastening knife 9a, it returns to its original position according to the curve rule to complete the loosening action. Here we only explain the action stroke and principle of the side panel interlocking hinge fastening knife 9a (there are two fastening knives in the side panel: 9a, 9b). The door panel interlocking hinge also has two fastening knives, and their action stroke and principle are the same, so they are not repeated.

[0104] refer to Fig. 20 , 9, 8, 21, 5, the interlocking hinge spring slider 13a is built in between the locking piece 55a of the side panel interlocking hinge spring seat 8 and the bottom support 25a of the side panel interlocking hinge fastening seat 7; the interlocking hinge spring slider 13b is built in between the locking piece 55b of the side panel interlocking hinge spring seat 8 and the bottom support 25b of the side panel interlocking hinge fastening seat 7. Among them, the upper inclined surface 56a of the interlocking hinge spring slider 13a is placed under the bottom surface of the locking piece 55a of the side panel interlocking hinge spring seat 8, and the lower inclined surface 56b of the interlocking hinge spring slider 13a is placed on the bottom support 25a of the side panel interlocking hinge fastening seat 7; the upper inclined surface 80a of the interlocking hinge spring slider 13b is placed under the bottom surface of the locking piece 55b of the side panel interlocking hinge spring seat 8, and the lower inclined surface 80b of the interlocking hinge spring slider 13b is placed on the bottom support 25b of the side panel interlocking hinge fastening seat 7.

[0105] refer to Fig. 22 , 5 , 9, the interlocking hinge spring 38 passes through the axis hole j and is hinged to the spring axis hole i of the side panel interlocking hinge spring seat 8 via the axis, the spring arms 51a, 51b respectively act on the spring arm slide grooves 22a, 22b of the spring seat sliders 13a, 13b sliding on both sides of the side panel interlocking hinge spring seat 8 and the bottom supports 25a, 25b of the side panel interlocking hinge fastening seat 7, and the spring support 52 is pressed on the bottom support 30 of the side panel interlocking hinge spring seat 8.

[0106] refer to Fig.18 , 12 , 16, 20, 21, the interlocking hinge common main connecting rod side plate sliding shaft 47 passes through the two side sliding grooves 49 of the side plate interlocking hinge mounting seat 10 and the two side common main connecting rod shaft hole I of one end of the interlocking hinge common main connecting rod 3, and the extended two ends respectively act on the first section sliding groove 36a, the second section sliding groove 37a of the spring slider 13a on both sides and the first section sliding groove 36b, the second section sliding groove 37b of the spring slider 13b.

[0107] refer to Figure 1 , 2 , 20, 21, 9, 8, 38, 39, 40, when the door panel is opened, the interlocking hinge common main connecting rod side plate sliding shaft 47 slides simultaneously in the slide groove 49 of the side plate interlocking hinge mounting seat 10 and the first slide groove 36a and second slide groove 37a of the interlocking hinge spring slider 13a, and the first slide groove 36b and second slide groove 37b of the interlocking hinge spring slider 13b. Since the curves of the first slide groove arc and the second slide groove arc of the spring slider are different from the curve design of the slide groove of the side plate interlocking hinge mounting seat, when the interlocking hinge common main connecting rod side plate sliding shaft 47 slides, the dynamic first slide groove and second slide groove curve tracks of the spring slider follow the interlocking hinge common main connecting rod side plate sliding shaft 47 to be consistent with the static slide groove curve track of the mounting seat 10, so as to promote the interlocking hinge spring sliders 13a, 13b to move forward and backward. The same is true when the door panel is closed.

[0108] refer to Fig.18 , 1 , 2, 20, 21, 22, 6, 38, 39, 40, when the door panel is opened, the two ends of the sliding shaft 47 of the interlocking hinge common main connecting rod side plate slide in the second section slide groove 37a of the interlocking hinge spring slider 13a and the second section slide groove 37b of the interlocking hinge spring slider 13b, so that the interlocking hinge spring slider 13a and the interlocking hinge spring slider 13b move in the opposite direction of the door panel opening. Since the spring arms 51a and 51b on both sides of the interlocking hinge spring 38 act on the spring arm slide groove 22a of the interlocking hinge spring slider 13a and the spring arm slide groove 22b of the interlocking hinge spring slider 13b respectively, at this time, the spring force is opposite to the force in the opening direction of the door panel, prompting the door panel to generate a force in the closing direction; when the door panel is opened to a certain angle, that is, the interlocking hinge common main connecting rod side plate sliding shaft 47 of the interlocking hinge spring slider 13a and the second section slide groove 37b of the interlocking hinge spring slider 13b, the interlocking hinge spring slider 13a and the interlocking hinge spring slider 13b move in the opposite direction of the door panel opening. When both ends of the plate side sliding shaft 47 slide to the end point of the second section slot 37a of the interlocking hinge spring slider 13a and the starting point of the first section slot 36a and the end point of the second section slot 37b of the interlocking hinge spring slider 13b, the interlocking hinge spring slider 13a and the interlocking hinge spring slider 13b will move in the same direction as the door panel opening under the action of the interlocking hinge common main connecting rod side plate sliding shaft 47, and due to the elastic force of the spring elastic arms 51a and 51b on both sides of the interlocking hinge spring 38, at this time, the force is the same as the force in the door panel opening direction, so that the interlocking hinge spring slider 13a and the interlocking hinge spring slider 13b push the interlocking hinge common main connecting rod side plate sliding shaft 47 to drive the interlocking hinge common main connecting rod 3 to rotate until the door panel is fully opened. Vice versa.

[0109] refer to Fig. 27 , 24 , 37, 35, the bottom surface of the door panel interlocking hinge moving seat 15 is placed on the upper plane of the door panel interlocking hinge fastening seat 14.

[0110] refer to Fig.28 , 27 , 36, 35, 24, the door panel interlocking hinge mounting seat 16 is placed in the door panel interlocking hinge moving card seat 15, wherein the upper planes of the card plates 27a, 27b on both sides of the door panel interlocking hinge mounting seat 16 are placed on the bottom surfaces of the card plates 53, 54 on both sides of the door panel interlocking hinge moving card seat 15, the lower planes of the card plates 27a, 27b on both sides of the door panel interlocking hinge mounting seat 16 are placed on the upper plane of the door panel interlocking hinge fastening seat 14, and the bottom surface of the left and right adjustment eccentric hole P of the door panel interlocking hinge mounting seat 16 is placed on the left and right adjustment shaft hole f of the door panel interlocking hinge moving card seat 15.

[0111] refer to Fig.29 , 28, 27, 35, the riveted shaft head 62 of the eccentric screw 17 for adjusting the left and right sides of the door panel interlocking hinge is riveted to the bottom of the shaft hole f of the door panel interlocking hinge clamping seat 15 through the left and right adjustment hole P of the door panel interlocking hinge mounting seat 16, the bottom surface of the eccentric fixing section 64 is placed on the upper plane of the eccentric hole P for adjusting the left and right sides of the door panel interlocking hinge mounting seat 16, and the eccentric limiting section 63 is placed in the eccentric hole P for adjusting the left and right sides of the door panel interlocking hinge mounting seat 16.

[0112] refer to Fig.29 , 28 , 16, 27, 1, 35, rotate the door panel interlocking hinge to adjust the eccentric screw 17 left and right, the eccentric limiting section 63 of the door panel interlocking hinge to adjust the eccentric screw 17 left and right prompts the door panel interlocking hinge mounting seat 16 to move left and right in the door panel interlocking hinge blocking seat 15 along the bottom surface of the door panel interlocking hinge blocking seat 15 blocking pieces 53, 54 and the upper plane of the door panel interlocking hinge fastening seat 14, thereby moving the door panel left and right to complete the left and right adjustment of the door panel.

[0113] refer to Fig. 27 , 30 , 24, 35, the up-down adjustment hole d of the door panel interlocking hinge moving seat 15 is riveted to the shaft hole b1 of the door panel interlocking hinge fastening seat 14 through the door panel interlocking hinge up-down adjustment eccentric screw 19, the bottom surface of the eccentric fixing section 65 of the door panel interlocking hinge up-down adjustment eccentric screw 19 is placed on the upper plane of the up-down adjustment hole d of the door panel interlocking hinge moving seat 15, the eccentric limiting section 66 is placed in the up-down adjustment hole d of the door panel interlocking hinge moving seat 15, and the riveted shaft head 67 is riveted to the lower bottom surface of the shaft hole b1 of the door panel interlocking hinge fastening seat 14.

[0114] refer to Fig.31 , 27 , 24, 35, the bottom surface of the fixing section 68 of the door panel interlocking hinge upper and lower adjustment fixing screw 20 is placed on the upper plane of the upper and lower adjustment fixing slot e of the door panel interlocking hinge moving seat 15, and the riveting shaft head 69 passes through the upper and lower adjustment fixing slot e of the door panel interlocking hinge moving seat 15 and is riveted to the bottom surface of the adjustment shaft hole b2 of the door panel interlocking hinge fastening seat 14.

[0115] refer to Fig.30 , 27 , 28, 1, 35, rotate the door panel interlocking hinge to adjust the eccentric screw 19 up and down, the interlocking hinge up and down adjustment eccentric screw 19 drives the door panel interlocking hinge moving seat 15 to move along the door panel interlocking hinge moving seat 15 up and down adjustment hole d on the eccentric limiting segment 66 of the interlocking hinge up and down adjustment eccentric screw 19, and at the same time, the door panel interlocking hinge moving seat 15 up and down adjustment retaining slot e moves up and down along the door panel interlocking hinge up and down adjustment retaining screw 20 shaft segment 70, driving the door panel interlocking hinge mounting seat 16 to move up and down, completing the door panel up and down adjustment.

[0116] refer to Fig.25 , 26 , 24, 32, 35, the door panel interlocking hinge fastening knives 21a, 21b are built into the middle groove 41 of the door panel interlocking hinge fastening seat 14 on both sides, the door panel interlocking hinge fastening knife 21a shaft hole g1 is hinged to the door panel interlocking hinge fastening seat 14 shaft hole a1 through the shaft, the door panel interlocking hinge fastening knife adjustment screw 18a is riveted to the bottom surface of the door panel interlocking hinge fastening seat 14 adjustment hole c1 through the door panel interlocking hinge fastening knife 21a tension adjustment hole h1, wherein the door panel interlocking hinge fastening knife 21a is riveted to the bottom surface of the door panel interlocking hinge fastening seat 14 adjustment hole c1, wherein the door panel interlocking hinge fastening knife 21a is riveted to the door panel interlocking hinge fastening seat 14 adjustment hole c1 through the door panel interlocking hinge fastening knife 21a tension adjustment hole h ... The bottom surface of the fixed section 81a of the hinge fastening knife adjusting screw 18a is placed on the screw installation surface 48 of the door panel interlocking hinge clamping seat 15, the limiting section 43a of the door panel interlocking hinge fastening knife adjusting screw 18a is placed in the adjustment shaft hole c1 of the door panel interlocking hinge fastening seat 14, the tension adjustment section 44a is placed in the tension adjustment hole h1 of the door panel interlocking hinge fastening knife 21, and the riveting shaft head 45a passes through the adjustment shaft hole c1 of the door panel interlocking hinge fastening seat 14 and is riveted to its bottom. The installation method of the door panel interlocking hinge fastening knife 21b is the same as above, and the adjustment principle and method of the door panel fastening knife are the same as those of the side panel fastening knife.

[0117] Adaptive changes made according to actual needs are all within the protection scope of the present invention.

[0118] It should be noted that it is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. An interlocking hinge without covering a large angle opening and closing linkage mechanism, characterized in that: It includes a side panel interlocking hinge embedded in the side panel, a door panel interlocking hinge embedded in the door panel, a common main connecting rod and a linkage rod for interlocking hinges hinged to the side panel interlocking hinge and the door panel interlocking hinge, the common main connecting rod for interlocking hinges is provided with a groove, and the groove is provided with a side panel interlocking hinge rotating connecting rod, a door panel interlocking hinge rotating connecting rod and a linkage rod, one end shaft hole of the side panel interlocking hinge rotating connecting rod is hinged to the side panel interlocking hinge, the other end shaft hole is hinged to the linkage rod, and the middle shaft hole is hinged to the common main connecting rod for interlocking hinges; one end shaft hole of the door panel interlocking hinge rotating connecting rod is hinged to the door panel interlocking hinge, the other end shaft hole is hinged to the common main connecting rod for interlocking hinges, and the middle shaft hole is hinged to the linkage rod; one end of the linkage rod is hinged to the side panel interlocking hinge rotating connecting rod, and the other end is hinged to the door panel interlocking hinge rotating connecting rod. The door panel is opened and closed by rotating relative to the side panel through the interlocking hinge and the large-angle opening and closing linkage mechanism.

2. The interlocking hinge without covering large angle opening and closing linkage mechanism according to claim 1 is characterized in that: The side panel interlocking hinge includes a side panel interlocking hinge fastening seat fixed in the side panel, a side panel interlocking hinge spring seat arranged on the side panel interlocking hinge fastening seat, a side panel interlocking hinge mounting seat arranged on the side panel interlocking hinge spring seat, a side panel interlocking hinge rotating connecting rod arranged in the side panel interlocking hinge mounting seat groove and a common main connecting rod slidably connected to the side panel interlocking hinge mounting seat sliding groove.

3. The interlocking hinge without covering large angle opening and closing linkage mechanism according to claim 2 is characterized in that: The side panel interlocking hinge fastening seat is provided with an axis hole Q and an axis hole R respectively connected to the two side panel interlocking hinge fastening knives, a first middle groove for accommodating the side panel interlocking hinge fastening knife, an adjustment axis hole S for connecting the front and rear adjustment eccentric screws of the side panel interlocking hinge, a limit hole T and a limit hole U respectively connected to the adjustment screws of the side panel interlocking hinge fastening knife, a sliding groove for accommodating an interlocking hinge spring slider, and a first slot hole for accommodating the side panel interlocking hinge mounting seat.

4. The interlocking hinge-free large-angle opening and closing linkage mechanism according to claim 3, characterized in that: The side panel interlocking hinge spring seat is provided with a front and rear adjustment hole V for connecting the front and rear adjustment eccentric screws of the side panel interlocking hinge, a spring seat shaft hole i for connecting the interlocking hinge spring, front and rear sliding holes for respectively connecting the side panel interlocking hinge fastening knife adjustment screws, a slider groove for accommodating the side panel interlocking hinge spring slider, a second slot hole for accommodating the side panel interlocking hinge mounting seat, a bottom support for the interlocking hinge spring, a first clamping piece for clamping the side panel interlocking hinge mounting seat, and a second clamping piece for clamping the interlocking hinge spring slider.

5. The interlocking hinge without cover large angle opening and closing linkage mechanism according to claim 4, characterized in that: The side panel interlocking hinge mounting seat is provided with a third slot hole for accommodating the side panel interlocking hinge rotating connecting rod, an axial hole M for connecting the side panel interlocking hinge rotating connecting rod, a sliding groove for connecting the interlocking hinge common main connecting rod, a front and rear adjustment eccentric hole N for accommodating the eccentric limit section of the front and rear adjustment eccentric screw of the side panel interlocking hinge, and a card slot for connecting with the side panel interlocking hinge spring seat; the side panel interlocking hinge rotating connecting rod is provided with an axial hole A for connecting the linkage rod, and a slot for connecting the interlocking hinge common main connecting rod. The connecting rod has an axial hole B and an axial hole C for connecting the side panel interlocking hinge mounting seat; one end of the interlocking hinge common main connecting rod is provided with an axial hole I for connecting the side panel interlocking hinge mounting seat slide groove, and a groove for accommodating the side panel interlocking hinge rotation connecting rod, the door panel interlocking hinge rotation connecting rod and the linkage rod, the other end is provided with an axial hole J for connecting the door panel interlocking hinge mounting seat slide groove, and the middle part is provided with an axial hole K for connecting the side panel interlocking hinge rotation connecting rod and an axial hole L for connecting the door panel interlocking hinge rotation connecting rod.

6. The interlocking hinge without cover large angle opening and closing linkage mechanism according to claim 1, characterized in that: The door panel interlocking hinge includes a door panel interlocking hinge fastening seat fixed in the door panel, a door panel interlocking hinge moving positioning seat arranged on the door panel interlocking hinge fastening seat, a door panel interlocking hinge mounting seat arranged on the door panel interlocking hinge moving positioning seat, a door panel interlocking hinge rotating connecting rod arranged in the door panel interlocking hinge mounting seat groove and a common main connecting rod slidably connected to the side panel interlocking hinge mounting seat sliding groove.

7. The interlocking hinge-free large-angle opening and closing linkage mechanism according to claim 6, characterized in that: The door panel interlocking hinge fastening seat is respectively provided with an axial hole a1 and an axial hole a2 for connecting the door panel interlocking hinge fastening knife, an axial hole b1 and an axial hole b2 for connecting the door panel interlocking hinge moving positioning seat, an axial hole c1 and an axial hole c2 for accommodating the adjusting screw limit section of the door panel interlocking hinge fastening knife, a second middle groove for accommodating the door panel interlocking hinge fastening knife, and a fourth slot hole for accommodating the door panel interlocking hinge mounting seat.

8. The interlocking hinge-free large-angle opening and closing linkage mechanism according to claim 7, characterized in that: The door panel interlocking hinge moving seat is provided with a fifth slot hole for accommodating the door panel interlocking hinge mounting seat, an axial hole f for connecting the door panel interlocking hinge left and right adjustment eccentric screws, an upper and lower adjustment hole d for connecting the door panel interlocking hinge up and down adjustment eccentric screws, an upper and lower adjustment retaining slot hole e for connecting the door panel interlocking hinge up and down adjustment retaining screws, and a third retaining piece and a fourth retaining piece.

9. The interlocking hinge-free large-angle opening and closing linkage mechanism according to claim 8, characterized in that: The door panel interlocking hinge mounting seat is provided with a sixth slot hole for accommodating the door panel interlocking hinge rotating connecting rod, an axial hole O for connecting the door panel interlocking hinge rotating connecting rod, a sliding groove for connecting the interlocking hinge common main connecting rod, left and right adjustment eccentric holes P for connecting the door panel interlocking hinge moving positioning seat, and a fifth positioning piece and a sixth positioning piece on both sides; the door panel interlocking hinge rotating connecting rod is provided with an axial hole D for connecting the linkage rod, an axial hole E for connecting the interlocking hinge common main connecting rod, and an axial hole F for connecting the door panel interlocking hinge mounting seat.

10. The interlocking hinge-covered large-angle opening and closing linkage mechanism according to claim 1, characterized in that: One end of the linkage rod is provided with an axial hole G for connecting the rotating connecting rod of the side panel interlocking hinge, and the other end is provided with an axial hole H for connecting the rotating connecting rod of the door panel interlocking hinge.

Citation Information

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