Hinge

Abstract

The utility model relates to the technical field of hinges, in particular to a hinge which comprises a mounting box, a containing box, a functional shaft and a connecting assembly, the connecting assembly comprises a mounting piece, a connecting block, a first connecting arm and a second connecting arm, a hinge portion is arranged on the functional shaft, one end of the connecting block is hinged to the hinge portion, and the other end of the connecting block is hinged to the containing box. The first connecting arm comprises a first connecting shaft hinged to the containing box and two first swing supporting arms arranged on one side of the first connecting shaft, the other end of the connecting block is hinged to the two first swing supporting arms at the same time, and the second connecting arm comprises a second connecting shaft hinged to the containing box and a second swing supporting arm arranged on one side of the second connecting shaft. The installation piece is installed in the installation box, and supporting arms hinged to the swing arm part and the second swing supporting arm respectively are arranged on the installation piece, and the door leaf has the advantages that the thickness of the reserved edge is increased, and the strength of the door leaf is guaranteed.

Description

Technical Field

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

[0002] The installation of door leaves requires the use of hinges, and invisible hinges are used for aesthetic purposes. The utility model patent with patent number CN220504810U discloses an invisible hinge with convenient speed regulation, including an installation box installed in a door frame and a receiving box installed in the door leaf, a functional shaft for controlling the closing of the door leaf is installed in the receiving box, a connecting component for transmitting torque is provided between the installation box and the receiving box, the connecting component includes a support arm, a connecting arm, and a swing arm, 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, both ends of the second connecting shaft are provided with a first support arm, a second support arm hinged to the hinged 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 above-mentioned invisible hinge, the accommodating box needs to be embedded in the door leaf. The thickness of the door leaf between the side wall of the accommodating box and the outer peripheral surface of the door leaf is called the margin. The components of the connecting assembly and the hinged structure between the components enable the hinge to be opened to 180°. For this reason, the thickness of the margin needs to be made thinner to adapt to the hinge, resulting in a reduction in the 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 with increased edge thickness to ensure the strength of the door leaf in view of the deficiencies of the above-mentioned prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hinge, 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 block, a first connecting arm, and a second connecting arm, a hinge portion protruding from the surface of the functional axis, one end of the connecting block is hinged to the hinge portion, the first connecting arm comprises a first connecting axis hinged to the receiving box and a swing arm portion hinged to the other end of the connecting block, the second connecting arm comprises a second connecting axis hinged to the receiving box and a second swing arm arranged on one side of the second connecting axis, the mounting member is installed in the mounting box, and is provided with support arms hinged to the swing arm portion and the second swing arm respectively.

[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 configuration of the utility model is: the swing arm portion includes two first swing arms arranged on one side of the first connecting shaft, the end of the connecting block is located between the two first swing arms, the two first swing arms are located between two supporting swing arms, and the connecting block, the first swing arms and the supporting swing arms are hinged by the same hinge shaft.

[0008] The utility model with the above characteristics uses a hinge shaft to pass through the supporting swing arm, the first swing arm and the connecting block at the same time, thereby improving the rigidity and compactness of the overall structure of the connecting component, making the hinge more beautiful, reducing the use of connecting parts, improving assembly efficiency and reducing assembly costs.

[0009] A further configuration of the utility model is: the swing arm portion includes two transition blocks arranged on one side of the first connecting shaft and a first swing arm arranged on the end face of the transition block, an angle is formed between the swing arm and the transition block, the other end of the connecting block is placed between the two transition blocks and the three are hinged, and the two first swing arms are respectively hinged to the two supporting swing arms.

[0010] The utility model with the above characteristics: the hinge axis between the connecting block and the first swing arm, and the hinge axis between the first swing arm and the supporting swing arm are separately arranged, thereby improving the flexibility of the connecting component; the first swing arm and the transition block are subjected to force respectively, and the force is dispersed to improve the service life of the first connecting arm.

[0011] A further arrangement of the utility model is: the mounting member includes a mounting panel installed in a mounting box, the support arm includes a support block integrally formed with the mounting panel, one side of the support block is provided with two support swing arms respectively arranged at both ends thereof, the support swing arm is hinged to the swing arm portion, and the second swing arm is hinged to the two support swing arms at the same time.

[0012] The utility model with the above-mentioned features realizes the functions of being respectively hinged with the second swing support arm and the swing arm part by arranging two support swing arms.

[0013] A further arrangement of the utility model is that: an installation groove for placing an installation panel is provided in the installation box, a first waist-shaped hole and a second waist-shaped hole are respectively provided at the upper and lower ends of the bottom of the installation groove, a third waist-shaped hole adapted to the first waist-shaped hole and a fourth waist-shaped hole adapted to the second waist-shaped hole are correspondingly provided at the upper and lower ends of the installation panel, the axis of the first waist-shaped hole is perpendicular to the axis of the third waist-shaped hole in space, the axis of the second waist-shaped hole is perpendicular to the axis of the fourth waist-shaped hole in space, and the first waist-shaped hole and the second waist-shaped hole are respectively provided on both sides of the length direction of the bottom of the installation groove.

[0014] The utility model with the above-mentioned characteristics: the relative position of the mounting piece in the mounting box is adjusted by setting four waist-shaped holes, and the moving direction of the mounting piece is the axial direction of the first waist-shaped hole and the third waist-shaped hole, that is, the mounting piece can move up, down, left and right 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.

[0015] 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.

[0016] 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.

[0017] A further configuration of the utility model is: a partition surface is provided between the opposite end surfaces of the two supporting swing arms, the partition surface is connected to the side surface of the supporting block, an avoidance space is formed between the supporting swing arms, the partition surface and the supporting block, and the second swing arm is located in the avoidance space.

[0018] The utility model with the above characteristics: by setting the partition surface, the second swing arm is hidden in the avoidance space, thereby improving the overall aesthetics; by setting the partition surface to connect the two support swing arms, the overall strength of the support swing arms is improved.

[0019] A further configuration of the utility model is that: a connecting groove for accommodating the hinged part is provided on the connecting block, and the hinged part is hingedly connected to the connecting block after extending into the connecting groove.

[0020] 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.

[0021] The utility model is further described in detail below with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of an embodiment of the utility model.

[0023] Figure 2 The structure diagram of the connection assembly and the functional shaft in the first embodiment of the utility model is shown in FIG. Figure 1 .

[0024] Figure 3 The structure diagram of the connection assembly and the functional shaft in the first embodiment of the utility model is shown in FIG. Figure 2 .

[0025] Figure 4 This is an exploded view of a connecting assembly according to a first embodiment of the present utility model.

[0026] Figure 5 It is a schematic structural diagram of the mounting member of an embodiment of the utility model.

[0027] Figure 6 It is a schematic structural diagram of the installation box according to an embodiment of the utility model.

[0028] Figure 7 It is an exploded view of the accommodation box according to an embodiment of the utility model.

[0029] Figure 8 This is a cross-sectional view of the container box of the utility model embodiment after removing the container shell.

[0030] Fig. 9 The structure diagram of the connection assembly and the functional shaft in the second embodiment of the utility model is shown in FIG. Figure 1 .

[0031] Fig.10 The structure diagram of the connection assembly and the functional shaft in the second embodiment of the utility model is shown in FIG. Figure 2 .

[0032] Fig.11 This is an exploded view of the connecting assembly of the second embodiment of the present utility model. DETAILED DESCRIPTION

[0033] 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.

[0034] like Figure 1-11 A hinge shown in the figure comprises an installation box 1 installed in a door frame, a receiving box 2 installed in a door leaf, 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 block 5, a first connecting arm 6, and a second connecting arm 7, the connecting component comprises a mounting member 4, a connecting block 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 block 5 is hinged to the hinge portion 31, a connecting groove 51 for accommodating the hinge portion 31 is provided on the connecting block 5, the hinge portion 31 is extended into the connecting groove 51 and then hinged to the connecting block 5, the first connecting arm 6 comprises a first connecting shaft 61 hinged to the receiving box 2 and another connecting arm 61 hinged to the connecting block 5 A swing arm portion hinged at one end, the second connecting arm 7 includes a second connecting shaft 71 hinged to the accommodating box 2 and a second swing arm 72 arranged on one side of the second connecting shaft 71, the mounting member 4 includes a mounting panel 41 and a support arm installed in the mounting box 1, the support arm includes a support block 42 integrally formed with the mounting panel 41, one side of the support block 42 is provided with two supporting swing arms 43 arranged at both ends, the supporting swing arms 43 are hinged to the swing arm portion, the second swing arm 72 is hinged to the two supporting swing arms 43 at the same time, a partition surface 44 is provided between the opposite end surfaces of the two supporting swing arms 43, the partition surface 44 is connected to the side of the support block 42, an avoidance space 45 is formed between the supporting swing arm 43, the partition surface 44 and the support block 42, and the second swing arm 72 is located in the avoidance space 45.

[0035] A mounting groove 11 is provided in the mounting box 1 for placing the mounting panel 41, and a first waist-shaped hole 12 and a second waist-shaped hole 13 are respectively provided at the upper and lower ends of the bottom of the mounting groove 11, and a third waist-shaped hole 411 adapted to the first waist-shaped hole 12 and a fourth waist-shaped hole 412 adapted to the second waist-shaped hole 13 are correspondingly provided at the upper and lower ends of the mounting panel 41, the axis of the first waist-shaped hole 12 is perpendicular to the axis of the third waist-shaped hole 411 in space, and the axis of the second waist-shaped hole 13 is perpendicular to the axis of the fourth waist-shaped hole 412 in space, and the first waist-shaped hole 12 and the second waist-shaped hole 13 are respectively arranged on both sides of the length direction of the bottom of the mounting groove 11. During installation, the mounting box is fixedly connected to the door frame. If the axes of the first waist-shaped hole and the second waist-shaped hole arranged on the mounting box are arranged horizontally, the left and right positions of the mounting parts in the mounting box can be adjusted. Correspondingly, if the axes of the third waist-shaped hole and the fourth waist-shaped hole arranged on the mounting panel are arranged vertically, the upper and lower positions of the mounting parts in the mounting box can be adjusted, thereby realizing fine adjustment of the mounting parts.

[0036] 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.

[0037] There are two implementation modes for the swing arm:

[0038] Embodiment 1: The swing arm portion includes two first swing arms 62 arranged on one side of the first connecting shaft 61, the end of the connecting block 5 is located between the two first swing arms 62, the two first swing arms 62 are located between the two supporting swing arms 43, and the connecting block 5, the first swing arms 62 and the supporting swing arms 43 are hinged by the same hinge shaft.

[0039] The hinge manufactured by the method of Example 1, when the door leaf is opened, the first connecting arm, the second connecting arm and the connecting block all rotate with the supporting swing arm as the fulcrum, and the rotation of the first connecting arm and the second connecting arm simultaneously drives the accommodating box to rotate, and the rotation of the connecting block causes the functional shaft to store energy, and the release of energy of the functional shaft causes the connecting block to reset, thereby driving the connecting assembly to reset and causing the door leaf to close.

[0040] Embodiment 2: The swing arm portion includes two transition blocks 63 arranged on one side of the first connecting shaft 61 and a first swing arm 62 arranged on the end face of the transition block 63. An angle is formed between the swing arm 62 and the transition block 63. The other end of the connecting block 5 is placed between the two transition blocks 63 and the three are hinged. The two first swing arms 62 are hinged to the two supporting swing arms 43 respectively.

[0041] The hinge manufactured by the second embodiment has the first connecting arm and the second connecting arm rotating with the supporting swing arm as a fulcrum when the door is opened. The rotation of the first connecting arm and the second connecting arm simultaneously drives the accommodating box to rotate. Meanwhile, the rotation of the first connecting arm drives the connecting block to rotate. The rotation of the connecting block causes the functional shaft to store energy, and the release of energy by the functional shaft causes the connecting block to reset, thereby driving the connecting assembly to reset and causing the door to close.

Claims

1. A hinge, comprising an installation box installed in a door frame, a receiving box installed in a door leaf, a functional axis for controlling the closing of the door leaf installed in the receiving box, 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 piece, a connecting block, a first connecting arm, and a second connecting arm. The functional shaft is provided with a hinge portion protruding from its surface, one end of the connecting block is hinged to the hinge portion, the first connecting arm includes a first connecting shaft hinged to the accommodating box and a swing arm portion hinged to the other end of the connecting block, the second connecting arm includes a second connecting shaft hinged to the accommodating box and a second swing arm arranged on one side of the second connecting shaft, the mounting piece is installed in the mounting box, and is provided with support arms hinged to the swing arm portion and the second swing arm respectively.

2. A hinge according to claim 1, characterized in that: The swing arm portion includes two first swing arms arranged on one side of the first connecting shaft, the end of the connecting block is located between the two first swing arms, the two first swing arms are located between two supporting swing arms, and the connecting block, the first swing arms and the supporting swing arms are hinged by the same hinge shaft.

3. A hinge according to claim 1, characterized in that: The swing arm portion includes two transition blocks arranged on one side of the first connecting shaft and a first swing arm arranged on the end face of the transition block, an angle is formed between the swing arm and the transition block, the other end of the connecting block is placed between the two transition blocks and the three are hinged, and the two first swing arms are respectively hinged to the two supporting swing arms.

4. A hinge according to any one of claims 1 to 3, characterized in that: The mounting member includes a mounting panel installed in a mounting box, the support arm includes a support block integrally formed with the mounting panel, one side of the support block is provided with two support swing arms respectively arranged at both ends thereof, the support swing arm is hinged to the swing arm portion, and the second swing arm is hinged to the two support swing arms at the same time.

5. A hinge according to any one of claims 1 to 3, characterized in that: The installation box is provided with an installation groove for placing the installation panel, and the upper and lower ends of the bottom of the installation groove are respectively provided with a first waist-shaped hole and a second waist-shaped hole, and the upper and lower ends of the installation panel are correspondingly provided with a third waist-shaped hole adapted to the first waist-shaped hole and a fourth waist-shaped hole adapted to the second waist-shaped hole, the axis of the first waist-shaped hole is perpendicular to the axis of the third waist-shaped hole in space, the axis of the second waist-shaped hole is perpendicular to the axis of the fourth waist-shaped hole in space, and the first waist-shaped hole and the second waist-shaped hole are respectively arranged on both sides of the length direction of the bottom of the installation groove.

6. A hinge according to any one of claims 1 to 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.

7. A hinge according to claim 5, 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.

8. A hinge according to any one of claims 1 to 3, characterized in that: The connecting block is provided with a connecting groove for accommodating the hinged part, and the hinged part is hingedly connected with the connecting block after extending into the connecting groove.

9. A hinge according to claim 4, characterized in that: A partition surface is provided between the opposite end surfaces of the two supporting swing arms, and the partition surface is connected to the side surface of the supporting block. An escape space is formed between the supporting swing arms, the partition surface and the supporting block, and the second swing arm is located in the escape space.

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