Hinge

Abstract

To provide a hinge that is miniaturized while incorporating a torque mechanism. [Solution] The first bracket 2 has a first fixing portion 21 fixed to the first member and a first protrusion 22 which is formed to be smaller in the axial direction than the first fixing portion 21 and protrudes from the first fixing portion 21 in a direction perpendicular to the axial direction. The second bracket 3 has a second fixing portion 31 fixed to the second member and a second protrusion 32 which is formed to be smaller in the axial direction than the second fixing portion 31 and protrudes from the second fixing portion 31 in a direction perpendicular to the axial direction. The first protrusion 22 and the second protrusion 32 are arranged along a virtual axis of rotation, and the first protrusion 22 and the second protrusion 32 are arranged overlapping with an axial gap between them. A gap between the brackets 11 is formed between the first protrusion 22 and the second protrusion 32, and the first torque mechanism 6 and the second torque mechanism 7 are arranged in the gap between the brackets 11.

Description

Technical Field

[0001] The present invention relates to a hinge.

Background Art

[0002] As a hinge that connects two members so as to be relatively rotatable within a predetermined angular range, a hinge provided with a torque mechanism using friction is known (see, for example, Patent Document 1).

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] When a hinge is provided with a torque mechanism, the shape tends to be large.

[0005] Accordingly, an object of the present invention is to provide a hinge that can be reduced in size while being provided with a torque mechanism.

Means for Solving the Problems

[0006] To achieve the above objective, the hinge according to the present invention comprises: a first bracket attached to a first member; a second bracket attached to a second member; an L-shaped first arm whose one end is connected to the first bracket so as to be rotatable relative to it via a first shaft portion and whose other end is connected to the second bracket so as to be movable relative to it; an L-shaped second arm whose one end is connected to the second bracket so as to be rotatable relative to it via a second shaft portion and whose other end is connected to the first bracket so as to be movable relative to it, with its corner connected to the corner of the first arm via a third shaft portion; and a torque mechanism that generates torque between the first bracket and the second bracket, wherein the axes of the first shaft portion, the second shaft portion and the third shaft portion are arranged in parallel, the first bracket and the second bracket are rotatable relative to each other around a virtual axis of rotation, and the first bracket is connected to the first member The second bracket has a first fixing portion fixed to the second member to which the other end of the second arm is connected, and a first projection portion formed to be smaller in the axial direction than the first fixing portion, projecting from the first fixing portion in a direction perpendicular to the axial direction, to which one end of the first arm is connected. The second bracket has a second fixing portion fixed to the second member to which the other end of the first arm is connected, and a second projection portion formed to be smaller in the axial direction than the second fixing portion, projecting from the second fixing portion in a direction perpendicular to the axial direction, to which one end of the second arm is connected. The first projection portion and the second projection portion are arranged along the virtual axis of rotation, the first projection portion and the second projection portion are arranged overlapping with an axial gap between them, a gap between the brackets is formed between the first projection portion and the second projection portion, and the torque mechanism is arranged in the gap between the brackets.

[0007] In this invention, the first bracket is provided with a first projection that protrudes from the first fixing part, and the second bracket is provided with a second projection that protrudes from the second fixing part, thereby forming a bracket-interval space in the hinge surrounded by the first projection, the second projection, the first fixing part, and the second fixing part. The first shaft is connected to the first projection and positioned in the bracket-interval space, and the second shaft is connected to the second projection and positioned in the bracket-interval space, and the torque mechanism is also positioned in this bracket-interval space. Therefore, the hinge can be made smaller compared to a hinge in which the torque mechanism is provided on the outside of the first and second brackets.

[0008] In the hinge according to the present invention, the first bracket and the second bracket are rotatable relative to each other between a first position and a second position, where the angles they make with respect to each other are different, and when the first bracket and the second bracket are in the first position, the first shaft portion and the second shaft portion may be arranged coaxially.

[0009] With this configuration, when the angle between the first bracket and the second bracket becomes the first angle, the first shaft portion 41 and the second shaft portion 51 can be overlapped in the axial direction, thereby enabling miniaturization of the hinge.

[0010] In the hinge according to the present invention, the torque mechanism includes a first torque mechanism that generates torque between the first bracket and the first arm, and a second torque mechanism that generates torque between the second bracket and the second arm, and the first torque mechanism and the second torque mechanism may be arranged in the space between the brackets.

[0011] By adopting this configuration, even when the torque mechanism consists of a first torque mechanism and a second torque mechanism, the hinge can be made smaller compared to a hinge in which these torque mechanisms are provided on the outside of the first bracket and the second bracket. [Effects of the Invention]

[0012] According to the present invention, it is possible to reduce the size of a hinge provided with a torque mechanism. Brief Description of the Drawings

[0013] [Figure 1] It is a perspective view of the hinge in the first posture according to the embodiment. [Figure 2] It is a perspective view of the hinge in the first posture viewed from another direction. [Figure 3] It is an exploded perspective view of the hinge in the first posture. [Figure 4] It is a perspective view of the hinge in the second posture. [Figure 5] It is a plan view of the hinge in the first posture as viewed from above. [Figure 6] It is a plan view of the hinge in the first posture as viewed from below. [Figure 7] It is a cross-sectional view taken along line A-A in Figure 5. [Figure 8] It is a diagram showing a state in which the first bracket and the second bracket are removed from the hinge in the first posture. [Figure 9] It is a side view showing the hinge in the first posture. [Figure 10] It is a side view showing the hinge rotated 90° from the first posture. [Figure 11] It is a side view showing the hinge in the second posture. [Figure 12] It is a perspective view of a hinge according to a first modified example of the embodiment. [Figure 13] It is a side view of the hinge according to the first modified example of the embodiment. [Figure 14] It is a side view of a hinge according to a second modified example of the embodiment. Modes for Carrying Out the Invention

[0014] Hereinafter, the hinge according to the embodiment of the present invention will be described based on Figure 1 to Figure 11. The hinge 1 according to the present embodiment shown in Figure 1 and Figure 2 relatively couples a first member and a second member, such as a housing and a lid, for example, so as to be rotatable about a virtual rotation axis A1 within a predetermined angular range.

[0015] As shown in Figures 1 to 3, the hinge 1 includes a first bracket 2, a second bracket 3, a first arm 4, a second arm 5, a first shaft portion 41, a second shaft portion 51, a first auxiliary link 42, a second auxiliary link 52, a first torque mechanism 6, a second torque mechanism 7, a third shaft portion 8, and a spring 9.

[0016] The first bracket 2 is attached to the first member. The first arm 4 is an L-shaped arm. One end portion 4a of the first arm 4 is rotatably coupled to the first bracket 2 via the first shaft portion 41. The other end portion 4b of the first arm 4 is coupled to the second bracket 3 via the first auxiliary link 42. The second bracket 3 is attached to the second member. The second arm 5 is an L-shaped arm. One end portion 5a of the second arm 5 is rotatably coupled to the second bracket 3 via the second shaft portion 51. The other end portion 5b of the second arm 5 is coupled to the first bracket 2 via the second auxiliary link 52. The corner portion 4c of the first arm 4 and the corner portion 5c of the second arm 5 are rotatably coupled via the third shaft portion 8.

[0017] The first torque mechanism 6 generates torque between the first bracket 2 and the first arm 4. The first torque mechanism 6 is attached to the first shaft portion 41. The second torque mechanism 7 generates torque between the second bracket 3 and the second arm 5. The second torque mechanism 7 is attached to the second shaft portion 51. The first torque mechanism 6 and the second torque mechanism 7 correspond to the "torque mechanism" in the claims. The torque mechanism generates torque between the first bracket and the second bracket. The spring 9 restricts relative rotation between the first bracket 2 and the second bracket 3.

[0018] The axes of the first shaft portion 41, the second shaft portion 51, the third shaft portion 8, and the virtual rotation axis A1 are parallel. The direction in which these axes extend is referred to as the axial direction. The direction perpendicular to the axial direction is referred to as the radial direction. The first shaft portion 41 is positioned on one side of the axial direction relative to the second shaft portion 51.

[0019] In this embodiment, the hinge 1 allows the first bracket 2 and the second bracket 3 to rotate relative to each other within a predetermined angle range around a virtual rotation axis A1. In this embodiment, the first bracket 2 and the second bracket 3 can rotate relative to each other by 150° around the virtual rotation axis A1 from a position where they are arranged on the same plane. The position of the hinge 1 with the first bracket 2 and the second bracket 3 arranged on the same plane is referred to as the first position, and the position of the hinge 1 after rotating relative to each other by 150° around the virtual rotation axis A1 from the first position is referred to as the second position. Figures 1 to 3 show the hinge 1 in the first position. Figure 4 shows the hinge 1 in the second position.

[0020] As shown in Figures 3, 5, and 6, the first bracket 2 has a first fixing portion 21 and a first protruding portion 22. The first fixing portion 21 and the first protruding portion 22 are integrally provided. The first fixing portion 21 is fixed to the first member. In Figures 5 and 6, the boundary 23 between the first fixing portion 21 and the first protruding portion 22 is shown by a dashed line. The first projection 22 protrudes from one end of the first fixing portion 21 in the axial direction in a direction perpendicular to the axial direction. The direction in which the first projection 22 of the first bracket 2 protrudes from the first fixing portion 21 is referred to as the first radial direction. The first projection 22 has a smaller axial dimension than the first fixing portion 21. The first bracket 2 is roughly L-shaped, and is arranged such that the first fixing portion 21 and the first projection 22 form a right angle when viewed from a direction perpendicular to the axial direction and the first radial direction.

[0021] The second bracket 3 has a second fixing portion 31 and a second protruding portion 32. The second fixing portion 31 and the second protruding portion 32 are integrally provided. The second fixing portion 31 is fixed to the second member. In Figures 5 and 6, the boundary 33 between the second fixing portion 31 and the second protruding portion 32 is shown by a dashed line. The second projection 32 protrudes from the other end of the second fixing portion 31 in the axial direction, in a direction perpendicular to the axial direction. The direction in which the second projection 32 of the second bracket 3 protrudes from the second fixing portion 31 is referred to as the second radial direction. The second projection 32 has a smaller axial dimension than the second fixing portion 31. The second bracket 3 is roughly L-shaped, and is arranged such that the second fixing portion 31 and the second projection 32 form a right angle when viewed from a direction perpendicular to the axial direction and the second radial direction.

[0022] The first bracket 2 and the second bracket 3 are arranged as follows. The first protrusion 22 of the first bracket 2 and the second protrusion 32 of the second bracket 3 are arranged so that at least a portion of each overlaps with a gap in the axial direction. The first protrusion 22 is positioned on one side in the axial direction, and the second protrusion 32 is positioned on the other side in the axial direction. The first fixing portion 21 of the first bracket 2 and the second fixing portion 31 of the second bracket 3 are positioned on sides that are separated from each other via the first protrusion 22 and the second protrusion 32. As shown in Figures 5 and 6, a gap 11 between the brackets is formed between the first protrusion 22 and the second protrusion 32. The gap 11 between the brackets is surrounded by the first protrusion 22, the second protrusion 32, the first fixing portion 21, and the second fixing portion 31.

[0023] As shown in Figures 3, 5, and 6, one end 4a of the first arm 4 is connected to the first projection 22 via the first shaft portion 41. The first projection 22 and the first arm 4 are rotatable relative to each other around the axis of the first shaft portion 41. The one end 4a of the first arm 4 and the first shaft portion 41 are positioned in the space between the brackets 11. As shown in Figure 7, the first shaft portion 41 penetrates the first projection 22 and the first arm 4 in the axial direction. An enlarged diameter portion 412 is formed on one axial side of the first shaft portion 41, which has a larger diameter than the portion 411 that penetrates the first projection 22 and the first arm 4. The enlarged diameter portion 412 is positioned on one axial side of the first projection 22. An annular spring member 413 is provided between the enlarged diameter portion 412 and the first projection 22.

[0024] As shown in Figures 3, 7, and 8, the first torque mechanism 6 includes a friction plate 61 and a click plate 62. The friction plate 61 is annular in shape, for example, similar to a washer. The friction plate 61 is positioned between the first projection 22 and the first arm 4, and the first shaft portion 41 is inserted through it. The friction plate 61 contacts the first projection 22 and the first arm 4, generating torque by creating a predetermined frictional force between the first projection 22 and the first arm 4. The click plate 62 is an annular member. The click plate 62 is positioned along the side of the first arm 4 opposite to the side where the friction plate 61 is located, and the first shaft portion 41 is inserted through it. A protrusion 621 is formed on the side of the click plate 62 facing the first arm 4. Only the position where the protrusion 621 is formed on the click plate 62 is shown in Figure 3. A recess 43 is formed at one end 4a of the first arm 4 into which the protrusion 621 is fitted when the rotation angle with respect to the first bracket 2 reaches a predetermined angle. The first torque mechanism 6 is positioned in the space between the brackets 11 together with the end 4a of the first arm 4 and the first shaft portion 41.

[0025] As shown in Figures 1, 3, and 5, the other end 5b of the second arm 5 is connected to the first fixed part 21 via a second auxiliary link 52. As shown in Figures 3, 5, and 8, the second auxiliary link 52 is a two-axis link. The second auxiliary link 52 has a first link shaft portion 521, a second link shaft portion 522, and a rotational connecting portion 523. The axes of the first link shaft portion 521 and the second link shaft portion 522 are parallel to the axis of the first shaft portion 41. The axes of the first link shaft portion 521 and the second link shaft portion 522 are spaced apart. The first fixed part 21 is connected so as to be rotatable relative to its axis via the rotational connecting portion 523 and the first link shaft portion 521. The second arm 5 is connected so as to be rotatable relative to its axis via the rotational connecting portion 523 and the second link shaft portion 522.

[0026] As shown in Figures 3, 5, and 6, one end 5a of the second arm 5 is connected to the second projection 32 via the second shaft portion 51. The second projection 32 and the second arm 5 are rotatable relative to each other around the axis of the second shaft portion 51. The one end 5a of the second arm 5 and the second shaft portion 51 are positioned in the space between the brackets 11. As shown in Figure 7, the second shaft portion 51 passes through the second projection portion 32 and the second arm 5 in the axial direction. On the other axial side of the second shaft portion 51, an enlarged diameter portion 512 is formed, which has a larger diameter than the portion 511 that passes through the second projection portion 32 and the second arm 5. The enlarged diameter portion 512 is located on the other axial side of the second projection portion 32. An annular spring member 513 is provided between the enlarged diameter portion 512 and the second projection portion 32.

[0027] As shown in Figures 3, 7, and 8, the second torque mechanism 7 has friction plates 71 and click plates 72 similar to those of the first torque mechanism 6. The friction plate 71 is positioned between the second projection 32 and the second arm 5, and the second shaft portion 51 is inserted through it. The friction plate 71 contacts the second projection 32 and the second arm 5, generating torque by creating a predetermined frictional force between the second projection 32 and the second arm 5. The click plate 72 is positioned along the side of the second arm 5 opposite to the side where the friction plate 71 is located, and the second shaft portion 51 is inserted through it. A protrusion 721 is formed on the side of the click plate 72 facing the second arm 5. A recess 53 is formed at one end 5a of the second arm 5 into which the protrusion 721 is fitted when the rotation angle with respect to the second bracket 3 reaches a predetermined angle. Only the position where the recess 53 of the second arm 5 is formed is shown in Figure 3. The second torque mechanism 7 is positioned in the space between the brackets 11 together with the end 5a of the second arm 5 and the second shaft portion 51.

[0028] As shown in Figures 3, 5, and 6, the other end 4b of the first arm 4 is connected to the second fixed part 31 via the first auxiliary link 42. The first auxiliary link 42 has a first link shaft portion 421, a second link shaft portion 422, and a rotational connecting portion 423. The axes of the first link shaft portion 421 and the second link shaft portion 422 are parallel to the axis of the second shaft portion 51. The axes of the first link shaft portion 421 and the second link shaft portion 422 are spaced apart. The second fixed part 31 is connected so as to be rotatable relative to the axis via the rotational connecting portion 423 and the first link shaft portion 421. The first arm 4 is connected so as to be rotatable relative to the axis via the rotational connecting portion 423 and the second link shaft portion 422.

[0029] As shown in Figure 7, a first shaft portion 41 and a second shaft portion 51 are arranged in the space between the brackets 11. One end 4a of the first arm 4 and the first torque mechanism 6 are attached to the first shaft portion 41. One end 5a of the second arm 5 and the second torque mechanism 7 are attached to the second shaft portion 51. In other words, the first shaft portion 41, the second shaft portion 51, one end 4a of the first arm 4, one end 5a of the second arm 5, the first torque mechanism 6, and the second torque mechanism 7 are arranged in the space between the brackets 11. Figure 7 is a cross-sectional view of the hinge 1 in the first position.

[0030] Figure 9 shows a side view of hinge 1 in the first position, Figure 10 shows a side view of hinge 1 after the first bracket 2 and the second bracket 3 have rotated 90° relative to each other from the first position, and Figure 11 shows a side view of the hinge in the second position. As shown in Figure 9, in the first position, the hinge 1 has a first shaft portion 41 and a second shaft portion 51 arranged coaxially. As shown in Figures 10 and 11, when the first bracket 2 and the second bracket 3 rotate relative to each other around the virtual rotation axis A1 so that they move from the first position to the second position, the axes of the first shaft portion 41 and the second shaft portion 51 move away from each other while remaining parallel.

[0031] The spring 9 generates rotational torque between the first bracket 2 and the second arm 5, generating rotational torque in both directions: in the direction that moves the first bracket 2 and the second bracket 3 from the first position to the second position, and in the opposite direction. As shown in Figures 3 and 5, the spring 9 is a torsion coil spring and is supported by a support shaft 91 attached to the first fixing part 21. The spring 9 has a coiled coil portion 92, a first spring arm portion 93 protruding outward from one end of the coil portion 92, and a second spring arm portion 94 protruding outward from the other end of the coil portion 92. The first spring arm portion 93 is in contact with the first bracket 2. The surface of the first bracket 2 that the first spring arm portion 93 contacts is referred to as the spring contact surface 24. The second spring arm portion 94 protrudes from the spring contact surface 24.

[0032] As shown in Figure 9, when the hinge 1 assumes the first position, the second spring arm portion 94 is inserted into the recess 524 formed in the rotational connecting portion 523 of the second auxiliary link 52, and the tip of the second spring arm portion 94 contacts the bottom of the recess 524. When the tip of the second spring arm portion 94 contacts the bottom of the recess 524, a rotational torque is generated in the direction that the first bracket 2 and the second bracket 3 assume the first position. As shown in Figures 10 and 11, when the first bracket 2 and the second bracket 3 rotate relative to each other so that the hinge 1 moves from the first position to the second position, the tip of the second spring arm portion 94 separates from the bottom of the recess, and as it rotates further, the second spring arm portion 94 comes out of the recess. In this embodiment, as shown in Figure 11, when the hinge 1 is in the second position, the first bracket 2 and the second arm 5 come into contact. As a result, a rotational torque is generated in the direction that the first bracket 2 and the second bracket 3 are in the second position.

[0033] In this embodiment, the hinge 1 is provided with a first protrusion 22 that protrudes from a first fixing portion 21 on the first bracket 2, and a second protrusion 32 that protrudes from a second fixing portion 31 on the second bracket 3, forming a gap 11 between the first protrusion 22 and the second protrusion 32. The first shaft portion 41 is connected to the first protrusion 22 and placed in the gap 11, and the second shaft portion 51 is connected to the second protrusion 32 and placed in the gap 11. The first torque mechanism 6 and the second torque mechanism 7 are also placed in this gap 11. Therefore, the hinge 1 can be made smaller compared to a hinge in which the torque mechanism is provided on the outside of the first bracket 2 and the second bracket 3.

[0034] The hinge 1 of this embodiment is rotatable relative to a first position and a second position, where the angles formed by the first bracket 2 and the second bracket 3 are different. In the first position, i.e., when the first bracket 2 and the second bracket 3 are arranged on the same plane, the first shaft portion 41 and the second shaft portion 51 are arranged coaxially. With this configuration, when the hinge 1 is in the first position, the first shaft portion 41 and the second shaft portion 51 can be overlapped in the axial direction, thus enabling miniaturization of the hinge 1. When the hinge 1 is in the first position, one end 4a of the first arm 4 and one end 5a of the second arm 5 are also positioned to overlap in the axial direction, thus enabling miniaturization of the hinge. For example, if the first and second components are a housing and a lid, and the lid is normally kept closed and only opened when in use, the hinge 1 can be made smaller in the normal state by having the hinge 1 in the first position when the lid is closed and in the second position when the lid is open for use.

[0035] Although embodiments of the hinge according to the present invention have been described above, the present invention is not limited to the above embodiments and can be modified as appropriate without departing from the spirit of the invention. For example, as shown in Figures 12 and 13, the other end 4b of the first arm 4 may be slidably connected along a groove 312 provided in the second fixing portion 31 of the second bracket 3, and the other end 5b of the second arm 5 may be slidably connected along a groove 212 provided in the first fixing portion 21 of the first bracket 2.

[0036] In the above embodiment, two torque mechanisms are provided to generate torque between the first bracket 2 and the second bracket 3: a first torque mechanism 6 that generates torque between the first bracket 2 and the first arm 4, and a second torque mechanism 7 that generates torque between the second bracket 3 and the second arm 5. In contrast, the torque mechanism may consist of one mechanism or three or more mechanisms.

[0037] When the first bracket 2 and the second bracket 3 can rotate relative to each other from the first position to the second position, the first shaft portion 41 and the second shaft portion 51 do not necessarily have to be coaxial when in the first position, as shown in the hinge 1C in Figure 14. The first shaft portion 41 and the second shaft portion 51 may be arranged coaxially when the hinge 1 is in a predetermined position between the first and second positions other than the first position. The first shaft portion 41 and the second shaft portion 51 do not necessarily have to be coaxial throughout the entire range of relative rotation between the first bracket 2 and the second bracket 3. The angle at which the first bracket 2 and the second bracket 3 can rotate relative to each other around the virtual rotation axis A1 may be set as appropriate.

[0038] In the above embodiment, rotational torque is generated between the first bracket 2 and the second bracket 3 by the contact between the spring 9 and the first bracket 2 and the second arm 5. However, a mechanism for generating rotational torque between the first bracket 2 and the second bracket 3 is not required. If a mechanism for generating rotational torque is provided between the first bracket 2 and the second bracket 3, that mechanism may take a form other than that described above. [Explanation of Symbols]

[0039] 1,1B,1C Hinge 2. First bracket 3. Second bracket 4. First Arm 4a One end 4b Other end 4c corner 5. Second Arm 5a One end 5b Other end 5c Corner 6. First Torque Mechanism 7. Second Torque Mechanism 8. Third shaft section 11 Space between brackets 21 1st fixed part 22 1st protrusion 31 Second fixed part 32 Second protrusion A1 Virtual rotation axis

Claims

1. A first bracket attached to the first member, A second bracket attached to the second member, An L-shaped first arm, one end of which is connected to the first bracket via a first shaft so as to be rotatable relative to it, and the other end of which is connected to the second bracket so as to be movable relative to it, An L-shaped second arm, with one end connected to the second bracket via a second shaft so as to be rotatable relative to it, and the other end connected to the first bracket so as to be movable relative to it, and its corner connected to the corner of the first arm via a third shaft, The system includes a torque mechanism that generates torque between the first bracket and the second bracket, The axes of the first shaft portion, the second shaft portion, and the third shaft portion are arranged in parallel, and the first bracket and the second bracket are rotatable relative to each other around a virtual axis of rotation. The first bracket is, A first fixing part is fixed to the first member and the other end of the second arm is connected to it, It has a first projection which is formed to be smaller in the axial direction than the first fixing portion, protrudes from the first fixing portion in a direction perpendicular to the axial direction, and to which one end of the first arm is connected, The second bracket is, A second fixing part is fixed to the second member and to which the other end of the first arm is connected, It has a second projection which is formed to be smaller in the axial direction than the second fixing portion, protrudes from the second fixing portion in a direction perpendicular to the axial direction, and to which one end of the second arm is connected, The first protrusion and the second protrusion are arranged along the virtual axis of rotation, The first protrusion and the second protrusion are arranged to overlap with a gap between them in the axial direction. A gap between the brackets is formed between the first protrusion and the second protrusion. A hinge on which the torque mechanism is positioned is located in the space between the brackets.

2. The first bracket and the second bracket are capable of relative rotation between a first position and a second position, where the angles they make with respect to each other are different, about the virtual axis of rotation. The hinge according to claim 1, wherein when the first bracket and the second bracket are in the first position, the first shaft portion and the second shaft portion are arranged coaxially.

3. The torque mechanism described above is A first torque mechanism that generates torque between the first bracket and the first arm, It has a second torque mechanism that generates torque between the second bracket and the second arm, The hinge according to claim 1 or 2, wherein the first torque mechanism and the second torque mechanism are arranged in the space between the brackets.

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