Double-swing-arm rotating shaft device

Abstract

The utility model discloses a double-swing-arm rotating shaft device which comprises a fixing base, a damping rotating shaft arranged on the fixing base and a fixing piece fixedly installed on the damping rotating shaft. The telescopic assembly is provided with a first telescopic piece and a second telescopic piece, the first telescopic piece is connected with one end of the damping rotating shaft, and the second telescopic piece is connected with the other end of the damping rotating shaft; and the telescopic assembly provides an acting force for driving the damping rotating shaft to rotate around a preset direction. The damping rotating shaft is installed on the fixing base, the fixing piece is assembled on the damping rotating shaft, the telescopic assembly is designed to be connected with the damping rotating shaft, the fixing piece can stay at any angle and keep still without external force, assistance is provided when the damping rotating shaft drives the fixing piece to rotate reversely, and a user can lift the displayer easily. And the user experience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of audio equipment, in particular to a double swing arm rotating shaft device. Background Art

[0002] Traditional audio systems, as audio playback systems or devices, convert electrical signals into sound to provide a high-quality auditory experience, while video playback requires users to carry an additional display device. Currently, audio machines are beginning to integrate displays that can play videos, providing users with a more convenient and integrated entertainment experience.

[0003] Currently, speakers with integrated displays are relatively large in size. After using a lifting structure to store the display, the overall size of the speaker equipment is still relatively large. For bulky displays, shaking is likely to occur during movement. When using a rotating structure for storage, users need to lift the display with great effort to make it stand up, resulting in a poor user experience. Utility Model Content

[0004] In order to overcome the above-mentioned shortcomings of the prior art, the purpose of the utility model is to provide a double-swing arm hinge device to solve the problem that the current audio system with an integrated display is inconvenient to move by lowering the height of the display to store it, while the user has difficulty lifting the bulky display by rotating and flipping it.

[0005] The utility model solves the technical problem by adopting a technical solution: a double swing arm rotating shaft device, comprising a fixed seat, a damping rotating shaft arranged on the fixed seat, and

[0006] A fixing member, wherein the fixing member is fixedly mounted on the damping shaft;

[0007] A telescopic assembly, comprising a first telescopic member and a second telescopic member, wherein the first telescopic member is connected to one end of the damping shaft, and the second telescopic member is connected to the other end of the damping shaft;

[0008] The telescopic assembly provides a force to drive the damping shaft to rotate around a preset direction, that is, the first telescopic member and the second telescopic member provide a force to drive the damping shaft to rotate in the opposite direction.

[0009] Furthermore, the first telescopic member and the second telescopic member both have a first displacement for preventing the damping shaft from excessively rotating in the positive direction.

[0010] As a further improvement of the present invention: the first telescopic member or the second telescopic member is any one of an elastic member, a gas spring and a hydraulic cylinder.

[0011] For example, the first telescopic member may be a gas spring, and the second telescopic member may be any one of a gas spring, an elastic member, and a hydraulic cylinder. The elastic member may be an ordinary spring, a highly elastic rubber, etc., and only needs to ensure that it has a first displacement that prevents the damping shaft from excessively rotating in the forward direction, and provides a force that drives the damping shaft to rotate in the reverse direction.

[0012] As a further improvement of the utility model: one end of the damping shaft is connected to a first swing arm, the first swing arm is coaxially connected to one end of the first telescopic member, and the rotation axis of the first swing arm is parallel to the central axis of the damping shaft.

[0013] As a further improvement of the utility model: the other end of the damping shaft is connected to a second swing arm, the second swing arm is coaxially connected to one end of the second telescopic member, and the rotation axis of the second swing arm is parallel to the central axis of the damping shaft.

[0014] As a further improvement of the utility model: a first positioning shaft is provided on one side of the fixing seat, the other end of the first telescopic member is rotatably assembled on the first positioning shaft, and the central axis of the first positioning shaft is parallel to the central axis of the damping shaft.

[0015] As a further improvement of the utility model: a second positioning shaft is provided on the other side of the fixing seat, the other end of the second telescopic member is rotatably assembled on the second positioning shaft, and the central axis of the second positioning shaft is parallel to the central axis of the damping shaft.

[0016] As a further improvement of the present invention: a damping gasket is provided between the first swing arm and the damping shaft.

[0017] As a further improvement of the present invention: a damping gasket is provided between the second swing arm and the damping shaft.

[0018] As a further improvement of the present invention: a positioning portion is provided at the bottom end of the fixing member, and when the fixing member rotates to the second limit angle, the positioning portion abuts against the fixing seat.

[0019] As a further improvement of the present invention: the fixing piece is in an L-shape.

[0020] Compared with the prior art, the beneficial effects of the utility model are:

[0021] The utility model designs a damping shaft so that a fixing part assembled on the damping shaft can be rotated to any angle and remain stationary without the action of external force. The display on the fixing part is slowly folded during storage, and the overall volume of the audio equipment is reduced after storage. A force is provided to drive the damping shaft to rotate around a preset direction through the first telescopic part and the second telescopic part of the telescopic assembly, so that the display on the fixing part is lifted with assistance, and the user can lift it easily, which improves the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic structural diagram of an initial 0° locking state of a double swing arm rotating shaft device according to an embodiment of the utility model.

[0023] Figure 2 This is a structural schematic diagram of a double swing arm rotating shaft device in a 50° locked state according to an embodiment of the utility model.

[0024] Figure 3 This is a structural schematic diagram of a double swing arm rotating shaft device in a 195° locked state according to an embodiment of the utility model.

[0025] Figure 4 This is an exploded view of a double swing arm rotating shaft device in a 195° locked state according to an embodiment of the utility model.

[0026] Figure 5 It is a side view of an initial 0° locking state of a double swing arm rotating shaft device according to an embodiment of the utility model.

[0027] Figure 6 It is a side view of a double swing arm rotating shaft device in a 50° locked state according to an embodiment of the utility model.

[0028] Figure 7 It is a side view of a double swing arm rotating shaft device in a 195° locked state according to an embodiment of the utility model.

[0029] Reference numerals:

[0030] 1. Fixed seat, 2. Damping shaft, 3. Fixed part, 4. Display, 5. First telescopic part, 6. Second telescopic part, 7. First swing arm, 8. Second swing arm, 9. First positioning axis, 10. Second positioning axis, 11. Damping gasket, 12. Positioning part, 13. Connecting part, 14. First bracket, 15. Second bracket. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in combination with the specific embodiments of the utility model and the corresponding drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] In order to solve the technical problems in the prior art, the utility model is further described in conjunction with the accompanying drawings and embodiments:

[0034] like Figures 1 to 7 As shown, an embodiment of the utility model discloses a double swing arm rotating shaft device, comprising a fixed base 1, a damping rotating shaft 2 arranged on the fixed base 1, and a fixed part 3 and a telescopic part assembly, wherein the fixed part 3 is fixedly mounted on the damping rotating shaft 2, and a display 4 is mounted on the fixed part 3; the telescopic assembly is provided with a first telescopic part 5 and a second telescopic part 6, the first telescopic part 5 is arranged on one side of the fixed base 1, and the first telescopic part 5 is connected to one end of the damping rotating shaft 2; the second telescopic part 6 is arranged on the other side of the fixed base 1, and the second telescopic part 6 is connected to the other end of the damping rotating shaft 2; the first telescopic part 5 and the second telescopic part 6 both have a first displacement that prevents the damping rotating shaft 2 from rotating excessively in the forward direction, and provide a force that drives the damping rotating shaft 2 to rotate around a preset direction / reverse direction.

[0035] Among them, the first telescopic member 5 and the second telescopic member 6 both have a first displacement that prevents the damping shaft 2 from excessively rotating in the positive direction. It can be understood that when the damping shaft 2 / fixed member 3 rotates forward to the first limit angle, the first displacement of the first telescopic member 5 and the second telescopic member 6 prevents the damping shaft 2 / fixed member 3 from continuing to rotate forward, thereby preventing the damping shaft 2 / fixed member 3 from excessively rotating.

[0036] In addition, the first telescopic member 5 and the second telescopic member 6 both provide a force that drives the damping shaft 2 to rotate in a preset direction / reverse direction. It can be understood that when the fixed member 3 and the display 4 thereon are in a critical equilibrium state, a force is manually applied to cause the display 4 to rotate in the reverse direction, thereby destroying the critical equilibrium state. The displacement of the first telescopic member 5 and the second telescopic member 6 changes instantaneously, providing an assist for the damping shaft 2 to rotate in the reverse direction, thereby allowing the fixed member 3 and the display 4 thereon to rotate in the reverse direction more smoothly. In this way, the user has an assist when lifting the display 4 to stand up, and the user can easily flip the display 4, thereby improving the user experience.

[0037] In this embodiment, the damping shaft 2 drives the fixing member 3 to rotate, and the forward rotation direction is defined as the storage direction of the display 4 on the fixing member 3, and the storage direction is that the display 4 is flipped downward. On the contrary, the reverse rotation direction is defined as the unfolding direction of the display 4, and the display 4 is flipped upward.

[0038] The fixing seat 1 is arranged on one side of the main body of the audio system, and can be on the upper side or any side of the surrounding of the main body of the audio system. Usually, the fixing seat 1 is arranged on the upper part of the main body of the audio system, and when the display 4 on the fixing member 3 is stored, it is folded and rotated to be close to the surrounding side of the main body of the audio system. After the display 4 is stored, the overall volume of the audio system becomes smaller, which is convenient for users to carry.

[0039] In a specific example, when the shaft rotates forward, the display 4 rotates downward and is folded and stored at any side of the sound body. When the shaft rotates reversely, the display 4 flips upward and stands at the upper position of the fixing base 1.

[0040] In this embodiment, the damping shaft 2 is assembled on the fixing seat 1, and the fixing member 3 is installed on the damping shaft 2, so that the display 4 on the fixing member 3 can stay at a certain position and remain motionless without external force during the forward rotation process. The display 4 is stored against one side of the audio body by a flipping and folding method, and the height of the display 4 is reduced, so that the audio equipment is not easy to shake during the movement, and the overall volume is reduced.

[0041] In addition, this embodiment installs a first telescopic member 5 and a second telescopic member 6 at both ends of the damping shaft 2, respectively. The first telescopic member 5 and the second telescopic member 6 prevent the damping shaft 2 from excessively rotating in the forward direction, and provide a force to drive the damping shaft 2 to rotate in the reverse direction, thereby helping the display 4 to flip upward more smoothly, and the user can easily lift the display 4 up.

[0042] In some embodiments, the first telescopic member 5 or the second telescopic member 6 is any one of an elastic member, a gas spring and a hydraulic cylinder.

[0043] In some embodiments, one end of the damping shaft 2 is connected to a first swing arm 7, the first swing arm 7 is coaxially connected to one end of the first telescopic member 5, and the rotation axis of the first swing arm 7 is parallel to the central axis of the damping shaft 2. Preferably, the first swing arm 7 can be set in a sleeved manner on the damping shaft 2.

[0044] When a downward flipping force is applied to the fixing part 3, the damping shaft 2 rotates forwardly, and at the same time the first swing arm 7 also rotates forwardly, and the displacement of the first telescopic part 5 also changes. On the one hand, the damping shaft 2 allows the fixing part 3 to flip to any angle and remain stationary without external force. On the other hand, the displacement of the first telescopic part 5 and the rotation path of the first swing arm 7 ensure that the fixing part 3 will not rotate excessively, thereby avoiding collision between the display 4 and the audio body.

[0045] In some embodiments, the other end of the damping shaft 2 is connected to a second swing arm 8, the second swing arm 8 is coaxially connected to one end of the second telescopic member 6, and the rotation axis of the second swing arm 8 is parallel to the central axis of the damping shaft 2. Preferably, the second swing arm 8 can be set in a sleeved manner on the damping shaft 2.

[0046] Similarly, when a downward flipping force is applied to the fixing member 3, the damping shaft 2 rotates forward, and the second swing arm 8 also rotates forward, and the displacement of the second telescopic member 6 also changes. On the one hand, the damping shaft 2 allows the fixing member 3 to remain stationary when flipped to any angle without external force. On the other hand, the displacement of the two telescopic members and the rotation path of the second swing arm 8 ensure that the fixing member 3 will not rotate excessively, thereby preventing the display 4 from colliding with the main body of the speaker. The first swing arm 7, the second swing arm 8, the first telescopic member 5 and the second telescopic member 6 are used to improve the stability and reliability of the fixing member 3 and the display 4 during the upside-down flipping process.

[0047] In some embodiments, a first positioning shaft 9 is provided on one side of the fixing seat 1 , and the other end of the first telescopic member 5 is rotatably mounted on the first positioning shaft 9 , and the central axis of the first positioning shaft 9 is parallel to the central axis of the damping shaft 2 .

[0048] The central axis of the first positioning shaft 9, the rotation axis of the first swing arm 7, and the central axis of the damping shaft 2 are parallel to each other, and the first swing arm 7 and the damping shaft 2 move in the same direction. Figures 1 to 3 As shown, when the upright display 4 is in the process of flipping and folding downward, the movable end of the first telescopic member 5 is slightly stretched and then compressed. When the first swing arm 7 bypasses the central axis of the damping shaft 2, that is, the central axis of the first swing arm 7 is rotated from the front side to the rear side relative to the central axis of the damping shaft 2, the movable end of the first telescopic member 5 is extended again. That is, the displacement of the first telescopic member 5 first decreases and then increases.

[0049] When the display 4 in the storage state is turned up and unfolded, the damping shaft 2 and the fixing member 3 rotate in opposite directions, the movable end of the first telescopic member 5 retracts first, and the displacement decreases. When the display 4 exceeds a critical equilibrium state, such as Figure 2 and Figure 6 In the 50° locking state shown in the figure, the angle of the critical equilibrium state can be specifically adjusted according to the telescopic stroke of the first telescopic member and the second telescopic member and the rotation radius of the swing arm. Similarly, the 195° locking angle can also be adjusted as needed, that is, the movable end of the first telescopic member 5 exceeds the central axis of the damping shaft 2 and passes over the other side, that is, the central axis of the first swing arm 7 is relative to the central axis of the damping shaft 2 from the rear side to the front side. At this time, the movable end of the first telescopic member 5 extends out, the displacement increases, and there is an assist force, which drives the shaft and the fixing member 3 to be easily flipped upward through the first swing arm 7.

[0050] In some embodiments, a second positioning shaft 10 is provided on the other side of the fixing seat 1 , and the other end of the second telescopic member 6 is rotatably mounted on the second positioning shaft 10 , and the central axis of the second positioning shaft 10 is parallel to the central axis of the damping shaft 2 .

[0051] Similarly, the central axis of the second positioning shaft 10, the rotation axis of the second swing arm 8, and the central axis of the damping shaft 2 are parallel to each other. Figures 1 to 3 As shown, when the upright display 4 is flipped down and folded, the damping shaft 2 and the fixing member 3 rotate forward, the movable end of the second telescopic member 6 is compressed, and the displacement gradually decreases. After the first swing arm 7 bypasses the damping shaft 2, the movable end of the second telescopic member 6 extends again, and the displacement increases. At the same time, the telescopic stroke of the second telescopic member 6 and the rotation radius of the second swing arm 8 limit the rotation angle of the shaft and the fixing member 3 to avoid excessive rotation and prevent the display 4 from colliding with the main body of the audio system.

[0052] When the display 4 in the stored state is flipped upward and unfolded, the damping shaft 2 and the fixing part 3 rotate in opposite directions, the movable end of the second telescopic part 6 retracts first, and the displacement decreases. When the display 4 exceeds a certain critical equilibrium state, that is, the movable end of the second telescopic part 6 exceeds the central axis of the damping shaft 2, the movable end of the second telescopic part 6 extends again, the displacement increases, and there is an assist force, which drives the shaft and the fixing part 3 to flip upward easily through the second swing arm 8.

[0053] In some embodiments, when the first swing arm 7 is sleeved on the outer circumference of the damping shaft 2 , a damping gasket 11 is provided between the first swing arm 7 and the damping shaft 2 .

[0054] Preferably, the first swing arm 7 has a main rotating part and a secondary rotating part. The main rotating part is sleeved on the outer periphery of the damping shaft 2. A damping gasket 11 is provided between the main rotating part and the damping shaft 2 for locking and positioning the connection between the first swing arm 7 and the damping shaft 2. The secondary rotating part is provided on one end of the first telescopic member 5, which can be the movable end of the first telescopic member 5 or the fixed end of the first telescopic member 5. The rotation axes of the secondary rotating part and the main rotating part are parallel to the central axis of the damping shaft 2.

[0055] In some embodiments, when the second swing arm 8 is sleeved on the outer circumference of the damping shaft 2 , a damping gasket 11 is provided between the second swing arm 8 and the damping shaft 2 .

[0056] Similarly, the second swing arm 8 also has a main rotating part and a secondary rotating part. The main rotating part is sleeved on the outer periphery of the damping shaft 2. A damping gasket 11 is provided between the main rotating part and the damping shaft 2 for locking and positioning the connection between the second swing arm 8 and the damping shaft 2. The secondary rotating part is provided on one end of the second telescopic member 6, which can be the movable end of the second telescopic member 6 or the fixed end of the second telescopic member 6. The rotation axes of the secondary rotating part and the main rotating part are parallel to the central axis of the damping shaft 2.

[0057] In this embodiment, one end of the first telescopic member 5 can be a movable end, that is, an end that can be freely extended, and one end of the first telescopic member 5 can also be represented as a fixed end. In other words, one end of the first telescopic member 5 can be connected to the first swing arm 7 and the damping shaft 2, and the other end of the first telescopic member 5 can be connected to the fixed seat 1. On the contrary, one end of the first telescopic member 5 can be set on the fixed seat 1, and the other end of the first telescopic member 5 is connected to the first swing arm 7 and the damping shaft 2. The specific setting is changed according to the actual situation. The second telescopic member 6 is also the same, and no more details are given here.

[0058] The damping gasket 11 is used to increase the friction between the first swing arm 7 and the damping shaft 2, as well as between the second swing arm 8 and the damping shaft 2, to ensure the stability and reliability of the rotation of the fixing part 3 and the damping shaft 2, and to avoid the sudden flipping of the bulky display 4 during rotation, which may cause the display 4 to collide with the main body of the audio system.

[0059] In some embodiments, the fixing seat 1 is provided with a first bracket 14 and a second bracket 15, the first positioning axis 9 is located on the first bracket 14, and the second positioning axis 10 is located on the second bracket 15, so that the first telescopic member 5 is mounted on the first bracket 14, and the second telescopic member 6 is mounted on the second bracket 15. The positions of the first bracket 14 and the second bracket 15 on the fixing seat 1 are specifically adjusted according to the first telescopic member 5 and the second telescopic member 6, respectively.

[0060] In some embodiments, a positioning portion 12 is provided at the bottom end of the fixing member 3, and when the fixing member 3 rotates to the second limit angle, the positioning portion 12 abuts against the fixing seat 1. The positioning portion 12 can also be installed on the damping shaft 2.

[0061] The second limit angle is the maximum angle that the fixing member 3 can reach when it rotates in the reverse direction, that is, the maximum angle at which the fixing member 3 can stand up the display 4. The positioning portion 12 limits the maximum reverse flipping angle of the display 4 on the fixing member 3, and the height between the positioning portion 12 and the fixing base 1 can be adjusted, thereby adjusting the angle between the display 4 on the fixing member 3 and the fixing base 1.

[0062] In some embodiments, the fixing member 3 is L-shaped. When the display 4 / fixing member 3 is in the storage state, that is, when the fixing member 3 is flipped and folded on one side of the sound body, there is an escape space between the bending part of the L-shaped fixing member 3 and the sound body, and the bending part of the fixing member 3 does not contact the fixing seat 1, so that the display 4 on the fixing member 3 will not be too close to the sound body after being stored.

[0063] A connecting piece 13 is provided on the rotating shaft, and the fixing piece 3 is fixedly installed on the damping rotating shaft 2 through the connecting piece 13. At the same time, a positioning portion 12 can also be formed at the bottom of the connecting piece 13. When the damping rotating shaft 2 rotates in the opposite direction to the second extreme angle, the positioning portion 12 abuts against the fixing seat 1, and the positioning display 4 is positioned at the maximum angle with the fixing seat 1 after it stands up.

[0064] In addition, after the connecting member 13 rotates in the positive direction following the damping shaft 2 to the first limit angle, a certain distance is maintained between the fixing member 3 and the display 4 and the sound body, so that the display 4 and the sound body will not collide easily.

[0065] It should be noted that the terms "first", "second", etc. in the specification and claims of the utility model and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the utility model described here can be implemented in an order other than those illustrated or described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0066] In summary, after reading the utility model document, ordinary technicians in this field can make various other corresponding transformation schemes based on the technical scheme and technical concept of the utility model without creative mental labor, which all fall within the scope of protection of the utility model.

Claims

1. A double swing arm rotating shaft device, characterized in that: It includes a fixed seat, a damping shaft arranged on the fixed seat, and A fixing member, wherein the fixing member is fixedly mounted on the damping shaft; The telescopic assembly is provided with a first telescopic part and a second telescopic part, wherein the first telescopic part is connected to one end of the damping shaft, and the second telescopic part is connected to the other end of the damping shaft; the telescopic assembly provides a force to drive the damping shaft to rotate around a preset direction.

2. A double swing arm rotating shaft device according to claim 1, characterized in that: The first telescopic member or the second telescopic member is any one of an elastic member, a gas spring and a hydraulic cylinder.

3. A double swing arm rotating shaft device according to claim 1 or 2, characterized in that: One end of the damping shaft is connected to a first swing arm, the first swing arm is coaxially connected to one end of the first telescopic member, and the rotation axis of the first swing arm is parallel to the central axis of the damping shaft.

4. A double swing arm rotating shaft device according to claim 3, characterized in that: The other end of the damping shaft is connected to a second swing arm, the second swing arm is coaxially connected to one end of the second telescopic member, and the rotation axis of the second swing arm is parallel to the central axis of the damping shaft.

5. A double swing arm rotating shaft device according to claim 3, characterized in that: A first positioning shaft is provided on one side of the fixing seat, and the other end of the first telescopic member is rotatably assembled on the first positioning shaft. The central axis of the first positioning shaft is parallel to the central axis of the damping shaft.

6. A double swing arm rotating shaft device according to claim 4 or 5, characterized in that: A second positioning shaft is provided on the other side of the fixing seat, and the other end of the second telescopic member is rotatably assembled on the second positioning shaft. The central axis of the second positioning shaft is parallel to the central axis of the damping shaft.

7. A double swing arm rotating shaft device according to claim 3, characterized in that: A damping gasket is provided between the first swing arm and the damping shaft.

8. A double swing arm rotating shaft device according to claim 4, characterized in that: A damping gasket is provided between the second swing arm and the damping shaft.

9. The double swing arm rotating shaft device according to claim 1, characterized in that: A positioning portion is provided at the bottom end of the fixing member, and when the fixing member rotates to the second limit angle, the positioning portion abuts against the fixing seat.

10. The double swing arm rotating shaft device according to claim 1, characterized in that: The first telescopic member and the second telescopic member both have a first displacement that prevents the damping shaft from excessively rotating in the positive direction.

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