Hinge structure

Abstract

The utility model relates to the technical field of hinges, in particular to a hinge structure which comprises a mounting box, a containing box, a functional shaft and a connecting assembly, the connecting assembly comprises a mounting piece, a connecting piece, a first connecting arm and a second connecting arm, a hinge portion protruding out of the surface of the functional shaft is arranged on the functional shaft, one end of the connecting piece is hinged to the hinge portion, and the other end of the connecting piece is hinged to the containing box. The first connecting arm comprises a first body, the first body is provided with a first connecting shaft hinged to the containing box, a second connecting shaft hinged to the connecting piece and a third connecting shaft hinged to the second connecting arm, and the second connecting arm comprises a first swing supporting arm hinged to the third connecting shaft and a fourth connecting shaft hinged to the mounting piece. And a supporting arm hinged with the fourth connecting shaft and a fifth connecting shaft hinged with the connecting piece are arranged on the mounting piece. The door leaf has the beneficial effects that the thickness of the reserved edge is increased, and the strength of the door leaf is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of hinges, in particular to a hinge structure. Background Art

[0002] The installation of door leaves requires the use of hinges, and invisible hinges are used for aesthetic purposes. Patent number CN220036422U is an invisible hinge, which includes an installation box, a receiving box, a functional shaft, a support arm, a connecting arm, and a swing arm. The functional shaft is installed in the receiving box, and a hinge portion protruding from the surface thereof is provided thereon. The swing arm includes a swing arm shaft connected to the installation box, and swing arms arranged at both ends of the swing arm shaft. The connecting arm includes a first support block hinged to two swing arms at the same time, a first connecting shaft connected to the receiving box, a second support block is provided on the first connecting shaft, and the second support block is connected to the first support block through a first connecting section. The support arm includes a second connecting shaft connected to the installation box, and both ends of the second connecting shaft are provided with a first support arm, a second support arm hinged to the hinge portion, and a second connecting section connecting the first support arm and the second support arm, and the first connecting section is hinged to the two second connecting sections at the same time.

[0003] When installing the invisible hinge, the receiving box needs to be embedded in the door leaf. The thickness of the door leaf between the side wall of the receiving box and the outer peripheral surface of the door leaf is called the margin. When the door leaf is opened, the running trajectory of the connecting component allows the receiving box and the installation box to be opened to 180°. For this reason, the thickness of the margin needs to be reduced as much as possible to adapt to the hinge, resulting in reduced strength of the door leaf. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide a hinge structure to increase the thickness of the edge and ensure the strength of the door leaf in view of the deficiencies of the above-mentioned prior art.

[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a hinge structure, comprising an installation box installed in a door frame and a receiving box installed in a door leaf, a functional axis for controlling the closing of the door leaf being installed in the receiving box, a connecting component for transmitting torque being provided between the installation box and the receiving box, characterized in that: the connecting component comprises a mounting member, a connecting member, a first connecting arm, and a second connecting arm, the functional axis is provided with a hinged portion protruding from its surface, one end of the connecting member is hinged to the hinged portion, the first connecting arm comprises a first body, a first connecting axis hinged to the receiving box, a second connecting axis hinged to the connecting member, and a third connecting axis hinged to the second connecting arm are provided on the first body, the second connecting arm comprises a first swinging arm hinged to the third connecting axis, a fourth connecting axis hinged to the mounting member, the mounting member is provided with a support arm hinged to the fourth connecting axis, and a fifth connecting axis hinged to the connecting member.

[0006] The utility model with the above-mentioned characteristics: a connecting assembly composed of the mounting part, connecting block, first connecting arm and second connecting arm of the above-mentioned hinged structure is adopted. When the door leaf is opened, the running track of the connecting assembly is less than 180°. Therefore, when installing the hinge with the connecting assembly, there is no need to reduce the thickness of the margin, thereby ensuring the strength of the door leaf. At the same time, it is also suitable for door leaves with smaller margin thickness and has a wide range of applications.

[0007] A further arrangement of the utility model is: the connecting member includes a sixth connecting shaft, the sixth connecting shaft is provided with a groove for accommodating a hinged portion, one side of the sixth connecting shaft is provided with two first arms and a second arm at both ends thereof, the second connecting shaft and the fifth connecting shaft are both located between the first arm and the second arm, the first arm and the second arm are hinged to the second connecting shaft and the fifth connecting shaft at the same time, and the second connecting shaft is not hinged to the fifth connecting shaft.

[0008] The utility model with the above-mentioned characteristics: by setting a connecting groove to connect with the hinge part, the contact area of ​​the hinge part is increased, the hinge part on the functional shaft can be prevented from breaking during use, the connection stability between the functional shaft and the connecting component is improved, and the service life of the hinge is extended.

[0009] A further configuration of the utility model is: the mounting member includes a mounting panel mounted in a mounting box, the support arm and the fifth connecting shaft are both arranged on the mounting panel, at least one waist-shaped hole is arranged at the upper and lower ends of the mounting panel, a mounting groove for accommodating the mounting panel is arranged in the mounting box, a connecting hole adapted to the waist-shaped hole is arranged at the bottom of the mounting groove, and the axis of the waist-shaped hole is arranged along the length direction of the mounting panel.

[0010] The utility model with the above-mentioned characteristics: the relative position of the mounting piece in the mounting box is adjusted by setting a waist-shaped hole, and the moving direction of the mounting piece is the axial direction of the waist-shaped hole, that is, the mounting piece can move up and down on the horizontal plane. The position of the mounting piece can be adjusted without removing the mounting box from the door frame, which is convenient for the installation of the hinge.

[0011] The utility model is further configured as follows: the accommodating box comprises an accommodating shell and a first mounting block and a second mounting block embedded at two ends of the accommodating shell, a connecting rod connecting the first mounting block and the second mounting block is provided between the first mounting block and the second mounting block, the functional shaft is installed between the first mounting block and the second mounting block, one end of the functional shaft is provided with a speed regulating member for regulating the flow speed of the hydraulic oil in the functional shaft, one end of the speed regulating member extends into the first mounting block, and a passive gear is sleeved on its end portion, a mounting hole for installing the passive gear is provided in the first mounting block, a gear groove connected to the mounting hole is provided in the first mounting block, a first driving gear meshing with the passive gear and a second driving gear meshing with the first driving gear are provided in the gear groove, and an outer peripheral wall of the second driving gear is located outside the gear groove.

[0012] The utility model with the above characteristics: a passive gear capable of driving the speed regulating member to rotate is arranged at the end of the speed regulating member, and a first active gear meshing with the passive gear and a second active gear meshing with the first active gear are arranged at the same time. The speed regulating member can be rotated by operating the second active gear, which is convenient and practical. By arranging two active gears and the outer peripheral wall of the second active gear being located outside the gear groove, it is convenient for the operator to operate directly without the aid of tools, and is easy to adjust.

[0013] The utility model is further described in detail below with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of an embodiment of the utility model.

[0015] Figure 2 It is a schematic structural diagram of the connection assembly and the functional axis in an embodiment of the utility model.

[0016] Figure 3 It is an exploded view of the connection assembly and the functional axis according to an embodiment of the utility model.

[0017] Figure 4 It is a schematic structural diagram of the installation box according to an embodiment of the utility model.

[0018] Figure 5 It is an exploded view of the accommodation box according to an embodiment of the utility model.

[0019] Figure 6 This is a cross-sectional view of the container box of the utility model embodiment after removing the container shell. DETAILED DESCRIPTION

[0020] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

[0021] like Figure 1-6A hinge structure shown in the figure comprises an installation box 1 installed in a door frame 30, a receiving box 2 installed in a door leaf 40, a functional shaft 3 for controlling the closing of the door leaf is installed in the receiving box 2, a connecting component for transmitting torque is provided between the installation box 1 and the receiving box 2, the connecting component comprises a mounting member 4, a connecting member 5, a first connecting arm 6, and a second connecting arm 7, a hinge portion 31 protruding from the surface of the functional shaft 3 is provided, one end of the connecting member 5 is hinged to the hinge portion 31, the first connecting arm 6 comprises a first body 61, a first connecting shaft 62 hinged to the receiving box 2, a second connecting shaft 63 hinged to the connecting member 5, and a third connecting shaft 64 hinged to the second connecting arm 7 are provided on the first body 61, and the second connecting arm 7 comprises a first swing support hinged to the third connecting shaft 64 arm 71, a fourth connecting shaft 72 hinged to the mounting member 4, a hinge groove 73 for accommodating the third hinge shaft 64 is provided on the first swing arm 71, a support arm 41 hinged to the fourth connecting shaft 72 and a fifth connecting shaft 42 hinged to the connecting member 5 is provided on the mounting member 4, the connecting member 5 includes a sixth hinge shaft 51, the sixth hinge shaft 51 is provided with a connecting groove 52 for accommodating the hinge part 31, one side of the sixth hinge shaft 51 is provided with two first arms 53 and second arms 54 at both ends thereof, the second connecting shaft 63 and the fifth connecting shaft 42 are both located between the first arm 53 and the second arm 54, the first arm 53 and the second arm 54 are hinged to the second connecting shaft 63 and the fifth connecting shaft 42 at the same time, and the second connecting shaft 63 is not hinged to the fifth connecting shaft 42.

[0022] The mounting member 4 includes a mounting panel 41 mounted in the mounting box 1, the support arm 41 and the fifth connecting shaft 42 are both arranged on the mounting panel 41, at least one waist-shaped hole 411 is provided at the upper and lower ends of the mounting panel 41, a mounting groove 11 for accommodating the mounting panel 41 is provided in the mounting box 1, a connecting hole 12 adapted to the waist-shaped hole 411 is provided at the bottom of the mounting groove 11, and the axis of the waist-shaped hole 411 is arranged along the length direction of the mounting panel 41. During installation, the mounting box is fixedly connected to the door frame, and the axis of the waist-shaped hole arranged on the mounting box is vertically arranged, so that the upper and lower positions of the mounting member in the mounting box can be adjusted, thereby realizing fine adjustment of the mounting member.

[0023] The accommodating box 2 includes an accommodating shell 21 and a first mounting block 22 and a second mounting block 23 embedded at both ends of the accommodating shell 21. A connecting rod 24 is provided between the first mounting block 22 and the second mounting block 23 to connect the two. The functional shaft 3 is installed between the first mounting block 22 and the second mounting block 23. A speed regulating member 32 for adjusting the flow speed of the hydraulic oil in the functional shaft 3 is provided at one end of the functional shaft 3. One end of the speed regulating member 32 extends into the first mounting block 22, and a passive gear 9 is sleeved at its end. A mounting hole 221 for installing the passive gear 9 is provided in the first mounting block 22, and a gear groove 222 communicating with the mounting hole 221 is provided in the first mounting block 22. The gear groove 222 is provided with a gear connected to the passive gear 9. The meshing first driving gear 10 and the second driving gear 14 meshing with the first driving gear 10, the outer peripheral wall of the second driving gear 14 is located outside the gear groove 222, and the first gear shaft 15 and the second gear shaft 16 are vertically arranged in the gear groove 222. The first driving gear 10 is sleeved on the first gear shaft 15, and the second driving gear 14 is sleeved on the second gear shaft 16. When the door closing speed needs to be adjusted, the second driving gear is rotated, the second driving gear drives the first driving gear to rotate, the first driving gear drives the passive gear to rotate, and the speed regulating member sleeved with the passive gear rotates, thereby realizing the speed regulation of the functional shaft, and the outer peripheral wall of the second driving gear is located outside the gear groove, which is convenient for the operator to turn it by hand.

Claims

1. A hinge structure, comprising an installation box installed in a door frame, and a receiving box installed in a door leaf, wherein a functional shaft for controlling the closing of the door leaf is installed in the receiving box, and a connecting component for transmitting torque is provided between the installation box and the receiving box, characterized in that: The connecting assembly includes a mounting member, a connecting member, a first connecting arm, and a second connecting arm. The functional shaft is provided with a hinged portion protruding from its surface, one end of the connecting member is hinged to the hinged portion, the first connecting arm includes a first body, the first body is provided with a first connecting shaft hinged to the accommodating box, a second connecting shaft hinged to the connecting member, and a third connecting shaft hinged to the second connecting arm, the second connecting arm includes a first swing arm hinged to the third connecting shaft, and a fourth connecting shaft hinged to the mounting member, the mounting member is provided with a support arm hinged to the fourth connecting shaft, and a fifth connecting shaft hinged to the connecting member.

2. A hinge structure according to claim 1, characterized in that: The connecting member includes a sixth connecting shaft, and a connecting groove for accommodating a hinged part is provided on the sixth connecting shaft. A first arm and a second arm are provided on one side of the sixth connecting shaft at two ends thereof. The second connecting shaft and the fifth connecting shaft are both located between the first arm and the second arm. The first arm and the second arm are hinged to the second connecting shaft and the fifth connecting shaft at the same time, and the second connecting shaft is not hinged to the fifth connecting shaft.

3. A hinge structure according to claim 1 or 2, characterized in that: The mounting member includes a mounting panel installed in a mounting box, the support arm and the fifth connecting shaft are both arranged on the mounting panel, at least one waist-shaped hole is provided at the upper and lower ends of the mounting panel, a mounting groove for accommodating the mounting panel is provided in the mounting box, a connecting hole adapted to the waist-shaped hole is provided at the bottom of the mounting groove, and the axis of the waist-shaped hole is arranged along the length direction of the mounting panel.

4. A hinge structure according to claim 1 or 2, characterized in that: The accommodating box comprises an accommodating shell and a first mounting block and a second mounting block embedded in both ends of the accommodating shell, a connecting rod connecting the first mounting block and the second mounting block is provided between the first mounting block and the second mounting block, the functional shaft is installed between the first mounting block and the second mounting block, one end of the functional shaft is provided with a speed regulating member for regulating the flow speed of the hydraulic oil in the functional shaft, one end of the speed regulating member extends into the first mounting block, and a passive gear is sleeved on the end thereof, a mounting hole for installing the passive gear is provided in the first mounting block, a gear groove communicating with the mounting hole is provided in the first mounting block, a first driving gear meshing with the passive gear and a second driving gear meshing with the first driving gear are provided in the gear groove, and an outer peripheral wall of the second driving gear is located outside the gear groove.

5. A hinge structure according to claim 3, characterized in that: The accommodating box comprises an accommodating shell and a first mounting block and a second mounting block embedded in both ends of the accommodating shell, a connecting rod connecting the first mounting block and the second mounting block is provided between the first mounting block and the second mounting block, the functional shaft is installed between the first mounting block and the second mounting block, one end of the functional shaft is provided with a speed regulating member for regulating the flow speed of the hydraulic oil in the functional shaft, one end of the speed regulating member extends into the first mounting block, and a passive gear is sleeved on the end thereof, a mounting hole for installing the passive gear is provided in the first mounting block, a gear groove communicating with the mounting hole is provided in the first mounting block, a first driving gear meshing with the passive gear and a second driving gear meshing with the first driving gear are provided in the gear groove, and an outer peripheral wall of the second driving gear is located outside the gear groove.

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