TWM629910U - Mono-axial hinges - Google Patents

Abstract

A single-axis hinge includes a rotating shaft and a rotating group. The rotating shaft includes a shaft, at least one first cam, and at least one second cam. The rotating group includes a first rotating member and a pushed wheel, the first rotating member has a body, at least a first set of holes assembled with the shaft, and an accommodating space for providing the pushed wheel, A restricting block restricted by the second cam, and an assembling portion provided on the body, the pushed wheel has a shaft hole for assembling the assembling portion, a convex portion facing the first cam, and a The swinging part of the cam movement. The single-axis hinge has a first state in which the first cam pushes the protruding portion to swing the swinging portion, a second state in which the first cam continues to rotate without pushing the protruding portion, and a second state in which the first cam continues to rotate without pushing the protruding portion. Two cams limit the third state of the rotating group.

Description

Single axis hinge

The new model relates to a uniaxial hinge, in particular to a uniaxial hinge that does not push the pushed wheel after the rotating shaft rotates to a certain angle.

Check, in the technical field of hinges, there are many applied to notebook computers, such as CN 113672043A and CN 113944685A. It can be found from the aforementioned published patents that the main purpose of whether it is a single-axis hinge or a double-axis hinge is to connect the screen and the body, providing The screen can be opened and closed relative to the main body, and according to the disclosure of the aforementioned patent, it can be found that the notebook computer can increase heat dissipation by arranging a heat-conducting member on the hinge, and can also lift the screen or the main body through the operation of the hinge to achieve the purpose. However, there is no structure in which the cam is used as the driver, and the other parts of the hinge determine the working state based on the rotation angle of the cam.

The deficiency of the aforementioned hinge applied to the notebook is that when an additional heat-conducting member is used, this will affect the lightness and thinness of the implemented object. When the hinge is implemented by lifting the notebook component, the hinge structure is generally complicated, which is also unfavorable for the thinness of the notebook. change.

The main purpose of the new type is to solve the problem of insufficient structure of the conventional hinge.

In order to achieve the above purpose, the present invention provides a single-axis hinge, which includes a rotating shaft and a rotating group. The rotating shaft includes a shaft, at least one first cam rotating with the shaft, and at least one second cam rotating with the rotating shaft. The rotating group includes a first rotating member and a pushed wheel, the first rotating member has a body, at least a first set of connecting holes arranged on the body and assembled with the shaft rod, and a first set of connecting holes formed by the body and the first A cam jointly defines and provides an accommodating space for the pushed wheel, a restricting block disposed on the main body and restricted by the second cam, and an assembly portion disposed on the main body and extending into the accommodating space , the pushed wheel has a shaft hole assembled with the assembling part, a convex part facing the first cam, and a swinging part that moves with the convex part. Wherein, the single-axis hinge has a first state in which the first cam pushes the convex portion after the rotating shaft rotates, so that the swinging portion moves with the assembly portion as the axis, and the first cam continues to rotate without A second state in which the convex portion is pushed again, and a third state in which the second cam is pressed against the restricting block to restrict the rotation of the rotating group.

In one embodiment, the first cam has a notch, and a first pushing surface disposed in the notch and pushing the convex portion to rotate.

In one embodiment, the first cam has a second pushing surface disposed in the notch and opposite to the first pushing surface.

In one embodiment, the second cam has a stop surface that contacts the limiting block when the single-axis hinge is in the third state.

In one embodiment, the protruding portion is a protruding block provided on the pushed wheel, and the swing portion includes an extension arm provided on the pushed wheel, and a movable rod connected with the extension arm.

In one embodiment, the accommodating space is divided into a first installation section for providing the movable rod, and a second installation section which is bent relative to the first installation section.

In one embodiment, the axis of the extension arm intersects the movable rod at one point.

In one embodiment, the rotating group includes an auxiliary rotating member which is assembled with the shaft rod and assists in driving the first rotating member when the shaft rod rotates.

In one embodiment, the rotating group includes a second rotating member assembled with the first rotating member, and the second rotating member has at least one second set of connecting holes in which the shaft rod is disposed.

In one embodiment, the second rotating member has at least one torsion providing portion assembled with the shaft and increasing the rotational torque.

Through the above-mentioned implementation of the present invention, compared with the conventional one, the present invention has the following features: the present invention enables the pushed wheel to move based on the rotation angle of the first cam through the arrangement of the first cam and the pushed wheel. At the same time, the single-axis hinge of the present invention is further provided with the second cam and the limiting block, so that the shaft rod interferes with the limiting block after rotating to a certain angle, so that it cannot continue to rotate.

The detailed description and technical content of this new model are described as follows in conjunction with the drawings:

Please refer to FIGS. 1 to 6 , the present invention provides a single-shaft hinge 10 , which includes a rotating shaft 11 and a rotating group 13 , the rotating shaft 11 includes a shaft rod 111 , at least a first cam 112 disposed on the shaft rod 111 , and At least one second cam 113 disposed on the shaft 111, the first cam 112 and the second cam 113 are coaxially disposed, and the first cam 112 and the second cam 113 follow when the shaft 111 rotates turn. The rotating group 13 includes a first rotating member 131 and a pushed wheel 132. The first rotating member 131 is connected to the shaft rod 111 and is relatively movable with the rotating shaft 11 when the shaft rod 111 rotates. 132 is connected with the first rotating member 131 and is driven by the rotating shaft 11 .

In detail, the first rotating member 131 has a body 133 , at least a first assembly hole 134 assembled with the shaft 111 , an accommodating space 135 for providing the pushed wheel 132 , and a body 135 . The limiting block 136 of 133 , and an assembly portion 137 provided on the main body 133 . Wherein, the main body 133 can be used for assembling an external component, the first group of connecting holes 134 are provided on the main body 133 , the first group of connecting holes 134 provide the main body 133 to be connected with the shaft 111 , the accommodating space 135 On the side of the main body 133 facing the first cam 112 , the accommodating space 135 is jointly defined by the main body 133 and the first cam 112 , and the size of the space is matched with the pushed wheel 132 . It is worth noting that when the pushed wheel 132 is installed in the accommodating space 135 , the pushed wheel 132 is not tightly fitted in the accommodating space 135 , but the pushed wheel 132 and the accommodating space 135 are There is a gap on the wall surface, so that the pushed wheel 132 can move in the accommodating space 135 . In addition, the restricting block 136 is located on the side of the main body 133 facing the second cam 113, and is disposed correspondingly to the second cam 113. The restricting block 136 is located on the rotation path of the second cam 113, when the shaft rod When the 111 rotates, the restricting block 136 can interfere with the second cam 113 , thereby producing the effect of restricting the shaft 111 . The assembling portion 137 extends into the accommodating space 135 and is assembled with the pushed wheel 132 , so that the assembly position of the pushed wheel 132 is restricted in the accommodating space 135 .

In addition, the pushed wheel 132 has a shaft hole 138 , a convex portion 139 facing the first cam 112 , and a swinging portion 140 that moves with the convex portion 139 . The shaft hole 138 provides the assembly portion 137 to be assembled, and the assembly portion 137 and the pushed wheel 132 are not locked, so that after the pushed wheel 132 is acted upon, the assembly portion 137 can be rotated as the axis, and the convex portion 139 is located on one side of the shaft hole 138 and can be pushed by the first cam 112 to make the pushed wheel 132 rotate. Swing after pushing.

The operation of the single-axis hinge 10 will be described later. Please refer to FIGS. 2 to 6 . The single-axis hinge 10 has a first state in which the first cam 112 pushes the protruding portion 139 after the rotating shaft 11 rotates. A second state in which the first cam 112 continues to rotate and no longer pushes the protruding portion 139 , and a third state in which the second cam 113 abuts on the limiting block 136 . To explain in detail, it is assumed that initially, the rotating shaft 11 does not rotate, and the first cam 112 does not push the convex portion 139 , as shown in FIG. 4 . When the rotating shaft 11 and the first rotating member 131 rotate relative to each other, the single-axis hinge 10 enters the first state, the first cam 112 and the second cam 113 are driven by the shaft 111 to rotate, and the second cam 112 is rotated. The cam 113 does not contact the first rotating member 131 during the rotation, and the first cam 112 pushes the convex portion 139 during the rotation, so that the swinging portion 140 can move in the accommodating space 135 with the assembling portion 137 as the axis Inside. When the rotating shaft 11 continues to rotate, the single-axis hinge 10 enters the second state from the first state. At this moment, the second cam 113 continues to rotate but is still not in contact with the first rotating member 131 , and the first When the cam 112 rotates, the protruding portion 139 is no longer pushed, so that the swinging portion 140 maintains the same posture as in the first state. When the rotating shaft 11 continues to rotate, the single-axis hinge 10 changes from the second state to the third state. At this time, since the first cam 112 can no longer push the convex portion 139, the convex portion 139 and the The swinging portion 140 maintains the same posture as in the second state, and the second cam 113 is interfered by the restricting block 136 after being rotated, and the rotating shaft 11 and the rotating group 13 cannot rotate relative to each other. When the single-axis hinge 10 is to be reset, the rotating shaft 11 is rotated in the reverse direction, so that the second cam 113 and the limiting block 136 are released from the restriction, and then the single-axis hinge 10 is restored from the third state to the second state After that, the rotating shaft 11 is continuously rotated, so that the first cam 112 is continuously rotated. When the first cam 112 continues to rotate to a certain angle, the first cam 112 pushes the protruding portion 139 to return the pushed wheel 132 to return the single-axis hinge 10 to the first state.

As can be seen from the above, in the present invention, through the arrangement of the first cam 112 , the rotating shaft 11 can not drive the swinging portion 140 to move after the rotation shaft 11 rotates to the predetermined angle (eg, 40 degrees). When the single-axis hinge 10 is applied to a laptop, the rotating shaft 11 is connected to the screen of the laptop, the first rotating member 131 is connected to the body of the laptop, and the swinging portion 140 faces the heat dissipation of the laptop body. When the screen is opened relative to the notebook body, the swing portion 140 can move relative to the heat dissipation holes based on the opening angle of the notebook. In addition, through the arrangement of the second cam 113 in the present invention, the movable angle of the rotating shaft 11 and the first rotating member 131 can be limited, and at the same time, the position of the screen after being rotated relative to the notebook body can be limited. The uniaxial hinge 10 of the present invention has the characteristics of simple structure, which is convenient for assembly.

On the other hand, please refer to FIG. 1 to FIG. 6 , the uniaxial hinge 10 of the present invention is to enable the first cam 112 to stably push the protruding portion 139 , the first cam 112 has a notch 114 and a first pushing surface 115. The position of the notch 114 can be changed according to actual needs. In this embodiment, if the rotating shaft 11 is set to rotate at an angle of 40 degrees and the first cam 112 pushes the convex portion 139, the notch 114 can be located in the The rotating shaft 11 is rotated at an angle of 40 degrees. The first pushing surface 115 is located on the notch 114 , and the first pushing surface 115 contacts the convex portion 139 after the rotating shaft 11 rotates, and pushes the convex portion 139 to rotate. In another embodiment, the first cam 112 has a second pushing surface 116 disposed on the notch 114 , the second pushing surface 116 is opposite to the first pushing surface 115 and located on two opposite sides of the notch 114 respectively , when the uniaxial hinge 10 changes from the open state to the closed state, the second pushing surface 116 pushes the convex portion 139 to return. In addition, the second cam 113 of the present invention is provided with a stop surface 117 that cooperates with the restriction block 136 . The stop surface 117 contacts the restriction block 136 when the uniaxial hinge 10 enters the third state, and restricts The rotating group 13 rotates.

Furthermore, in another embodiment, the protruding portion 139 is a protruding block provided on the pushed wheel 132 , the swinging portion 140 and the protruding portion 139 are respectively located on two opposite sides of the shaft hole 138 , and the swinging portion 140 It includes an extension arm 141 on the pushed wheel 132, and a movable rod 142 connected with the extension arm 141. The movable rod 142 is bent relative to the extension arm 141, that is, the axis of the extension arm 141 It intersects with the movable rod 142 at one point. On the other hand, because the first rotating member 131 should be pushed by the wheel 132, the accommodating space 135 is divided into a first installation section 143 and a second installation section 144, and the first installation section 143 is opposite to the second installation section 144 is a bend, the axis of the first installation section 143 intersects with the second installation section 144 at a point, the first installation section 143 provides the movable rod 142 to set, and the second installation section 144 provides the extension arm 141 with the The convex portion 139 is provided.

On the other hand, please refer to FIG. 1 to FIG. 3 , the present invention is to assist the first rotating member 131 to rotate relative to the rotating shaft 11 , the rotating group 13 further includes an auxiliary rotating member 145 assembled with the shaft 111 , The auxiliary rotating member 145 is disposed on one side of the first rotating member 131 and is assembled with the first rotating member 131 . The auxiliary rotating member 145 assists in driving the first rotating member 131 relative to the rotating shaft when the shaft 111 rotates. 11 activities. In one embodiment, the auxiliary rotating member 145 is connected to the first rotating member 131 through the assembling portion 137 . In another embodiment, the auxiliary rotating member 145 forms a through hole 149 which is assembled with the shaft rod 111 .

In addition, in one embodiment, the rotating group 13 includes a second rotating member 146 assembled with the first rotating member 131 , the second rotating member 146 is disposed on the shaft rod 111 , and the second rotating member 146 rotates with the rotation of the rotating shaft 11 . The first rotating member 131 is movable. In detail, the second rotating member 146 has at least one second set of connecting holes 147 in which the shaft rod 111 is disposed. The second set of connecting holes 147 and the first set of connecting holes 134 are coaxially disposed. In addition, in order to increase the torsion force when the second rotating member 146 rotates, the second rotating member 146 has at least one torque providing portion 148 assembled with the shaft 111 , and the torsion providing portion 148 is used to increase the second rotating member 146 Torque when turning.

To sum up, the above is only a preferred embodiment of the present invention, and should not limit the scope of implementation of the present invention, that is, all equivalent changes and modifications made according to the scope of the patent application of the present invention shall still belong to the present invention. patent coverage.

10: Single axis hinge 11: Spindle 111: Shaft 112: First Cam 113: Second Cam 114: Gap 115: The first push surface 116: Second push surface 117: Stop surface 13: Rotation group 131: The first rotating part 132: Pushed Wheel 133: Ontology 134: The first group of holes 135: accommodating space 136: Limit block 137: Assembly Department 138: Shaft hole 139: convex part 140: Swing Department 141: Extension Arm 142: Active rod 143: First installation segment 144: Second installation segment 145: Auxiliary rotating parts 146: Second rotating part 147: The second group of holes 148: Torque Supply Department 149: Through hole

FIG. 1 is a schematic three-dimensional structure diagram of an embodiment of the present invention. FIG. 2 is a schematic diagram (1) of the structure decomposition of an embodiment of the present invention. Fig. 3 is a schematic diagram (2) of the structure decomposition of an embodiment of the present invention. Fig. 4 is a schematic cross-sectional view of the A-A line segment of Fig. 1 of the present invention. Fig. 5 is a schematic diagram of the operation of Fig. 4 of the present invention. Fig. 6 is a schematic cross-sectional view of the B-B line segment of Fig. 1 of the present invention.

10: Single axis hinge

11: Spindle

13: Rotation group

131: The first rotating part

132: Pushed Wheel

137: Assembly Department

140: Swing Department

145: Auxiliary rotating parts

146: Second rotating part

148: Torque Supply Department

Claims (10)

A uniaxial hinge comprising: a rotating shaft, including a shaft, at least a first cam that rotates with the shaft, and at least a second cam that rotates with the shaft; and A rotating group includes a first rotating member and a pushed wheel, the first rotating member has a body, at least a first set of connecting holes arranged on the body and assembled with the shaft rod, and a connecting hole between the body and the shaft The first cam jointly defines and provides the accommodating space for the pushed wheel, a restriction block which is provided on the body and can be restricted by the second cam, and an assembly which is provided on the body and extends into the accommodating space part, the pushed wheel has a shaft hole assembled with the assembling part, a convex part facing the first cam, and a swinging part that moves with the convex part; and Wherein, the single-axis hinge has a first state in which the first cam pushes the convex portion after the rotating shaft rotates, so that the swinging portion moves with the assembly portion as the axis, and the first cam continues to rotate without A second state in which the convex portion is pushed again, and a third state in which the second cam is pressed against the restricting block to restrict the rotation of the rotating group. The uniaxial hinge of claim 1, wherein the first cam has a notch, and a first pushing surface disposed in the notch and pushing the convex portion to rotate. The uniaxial hinge of claim 2, wherein the first cam has a second pushing surface disposed in the notch and opposite to the first pushing surface. The uniaxial hinge of claim 3, wherein the second cam has a stop surface that contacts the limiting block when the uniaxial hinge is in the third state. The uniaxial hinge according to any one of claims 1 to 4, wherein the convex portion is a convex block provided on the pushed wheel, the swing portion includes an extension arm provided on the pushed wheel, and A movable rod connecting the extension arm. The uniaxial hinge of claim 5, wherein the accommodating space is divided into a first installation section for providing the movable rod, and a second installation section that is bent relative to the first installation section. The uniaxial hinge of claim 6, wherein the axis of the extension arm intersects the movable rod at one point. The uniaxial hinge according to claim 7, wherein the rotating group includes an auxiliary rotating member that is assembled with the shaft rod and assists in driving the first rotating member when the shaft rod rotates. The uniaxial hinge of claim 8, wherein the rotating group comprises a second rotating member assembled with the first rotating member, and the second rotating member has at least one second set of connecting holes in which the shaft rod is disposed . The uniaxial hinge according to claim 9, wherein the second rotating member has at least one torsion providing portion assembled with the shaft and increasing the rotational torque.

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