A swing device for VR interaction

Abstract

The utility model discloses a kind of for VR interaction's swing device, comprising: support frame, the support frame includes first support and second support oppositely arranged, first support and second support are rotatably connected with carousel in opposite position on it;Driving mechanism, the driving mechanism drives the carousel rotation;Rotary frame with seat, the rotary frame includes left and right swing arm, connecting fixing piece is equipped between the left and right swing arm, the seat is fixed on the connecting fixing piece;The left and right swing arm have opposite first fixed point, the first fixed point is rotatably connected on the first support and second support respectively, and the left and right swing arm have opposite second fixed point, the second fixed point is rotatably connected on the carousel respectively.The swing device for VR interaction provided in the utility model can quickly stop swing and quickly change swing direction.

Description

Technical Field

[0001] This utility model relates to the field of virtual reality somatosensory interactive devices, specifically to a swing device for VR interaction. Background Technology

[0002] In the field of leisure and entertainment and related sports facilities, swings, as a classic amusement equipment, are widely loved by users. Traditional swing devices are mainly based on simple mechanical structures, suspending seats through ropes or chains, and achieving reciprocating motion by the user's own swing or by the push of others. However, with the continuous development of technology and the increasing demands for user experience, especially in scenarios integrating with virtual reality (VR) technology, traditional swing devices have exposed many technical shortcomings.

[0003] Existing swing devices have significant shortcomings in motion control, the most prominent being the inability to quickly stop the swing. In practical use, when a user wants to end the swing experience or needs to quickly stop the swing action according to changes in the VR scene, the inertia of the swing and the limitations of existing mechanical structures pose significant challenges. For example, CN 218740168U discloses a double-arm swing, including a pair of columns with a main shaft fixedly connected between their upper ends. Each column has a cavity, within which a linear drive mechanism is fixed. A steering wheel is arranged below the linear drive mechanism. One end of the linear drive mechanism is connected to a first rope, which is fixedly connected to one side of the drive wheel. The other end of the linear drive mechanism is connected to a second rope, which passes around the steering wheel and is fixedly connected to the other side of the drive wheel. A pair of drive wheels are spaced apart on the main shaft, and a pair of swing arms are fixed to the corresponding drive wheels. This application uses a cylinder to drive the swing, allowing the swing angle on one side to exceed 90°, and avoids the difficulty of stopping a free-swinging swing. However, the swing still requires a relatively long buffer period to come to a complete stop. This not only reduces the smoothness of the user experience, but when combined with VR interactive scenarios, it may also cause significant delays and serious mismatches between the user's movements and the virtual scene in the VR screen, severely affecting the sense of immersion.

[0004] Furthermore, existing swing devices have significant limitations in changing the direction of swing, making it difficult to achieve rapid changes in swing direction. In VR interactive applications, the scenarios are rich and varied, which may require the swing to quickly change its swing direction to match unexpected situations or plot developments in the virtual environment. However, the mechanical structure of traditional swings requires a process of deceleration, stopping, and then accelerating in the opposite direction when changing the swing direction, which cannot meet the requirements of rapid switching of swing movement direction in VR interaction. Utility Model Content

[0005] To address the shortcomings of existing technologies, this invention proposes a swing device for VR interaction that can quickly stop swinging and quickly change the direction of swinging.

[0006] The technical solution of this utility model is implemented as follows:

[0007] A swing device for VR interaction includes:

[0008] The support frame includes a first bracket and a second bracket arranged opposite to each other on the left and right sides, and a turntable is rotatably connected to the first bracket and the second bracket at a relative position.

[0009] A drive mechanism that drives the turntable to rotate;

[0010] A rotating frame with a seat, the rotating frame including left and right swing arms, a connecting fastener between the left and right swing arms, and the seat fixed to the connecting fastener;

[0011] The left and right swing arms have opposite first fixed points, which are rotatably connected to the first and second supports respectively, and the left and right swing arms have opposite second fixed points, which are rotatably connected to the turntable respectively.

[0012] Preferably, the first fixed point overlaps with the center of the turntable.

[0013] Preferably, the second fixing point is located away from the seat direction of the first fixing point of the swing arm.

[0014] Preferably, the drive mechanism is connected to and drives the turntable via a belt / toothed belt.

[0015] Preferably, the output end of the drive mechanism is connected to a reducer, the reducer is connected to a first drive wheel, and the first drive wheel is connected to the turntable via a belt.

[0016] Preferably, the diameter of the belt around the first drive wheel is smaller than the diameter of the belt around the turntable.

[0017] Preferably, it also includes a counterweight, which is located on the turntable.

[0018] Preferably, the counterweight is located between the first fixed point and the second fixed point, or at the second fixed point.

[0019] Preferably, the first bracket and the second bracket have opposing limiting portions for limiting the swing angle of the swing arm.

[0020] Compared with the prior art, the present invention has the following advantages:

[0021] The swing device for VR interaction provided in this embodiment can quickly stop the turntable rotation by power failure or reverse braking through a drive mechanism. Since the second fixed point of the swing arm is rotatably connected to the turntable, the driving force for the swing arm's circular motion is cut off after the turntable stops rotating. Combined with the frictional damping of the mechanical structure, the swing arm can quickly stop swinging. Furthermore, the drive mechanism controls the rotation direction of the turntable by the forward and reverse rotation of the motor, thereby changing the swing direction of the swing arm. Because the second fixed point of the swing arm is rotatably connected to the turntable, the swing arm can also quickly change its swing direction after the turntable turns. In addition, because the left and right swing arms have relatively opposite first and second fixed points, when an emergency stop of the swing arm movement is required, the turntable can lock the second fixed point, combined with the braking function of the drive mechanism, simultaneously restricting the swing and rotational degrees of freedom of the swing arm, achieving millisecond-level braking, and causing the swing arm to quickly stop swinging. When it is necessary to change the swing direction of the swing arm (such as switching from left to right), the turntable can apply a reverse torque by driving the second fixed point in the opposite direction and utilizing the two-point connection characteristic of the swing arm to shorten the reversal time and achieve the purpose of rapid reversal. Thus, the VR interactive swing device provided by this utility model can quickly stop swinging or quickly change the swing direction and swing speed of the swing arm when combined with VR interactive scenes. This avoids the problem of obvious delay and serious mismatch between the user's actions and the virtual scene in the VR screen, so that the user has a better sense of immersion. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is the front view of the present invention.

[0024] Figure 2 This is the right view of the present invention.

[0025] Figure 3 This is a schematic diagram of the support frame and swing arm assembly when separated in this utility model.

[0026] Figure 4 This is a schematic diagram illustrating the use of the utility model.

[0027] Figure 5 This is a schematic diagram showing another state when the utility model is in use.

[0028] Attached diagram labels: 1. Support frame; 11. First bracket; 111. First crossbeam; 1111. Bearing seat; 112. Limiting bracket; 1121. Arc-shaped frame; 1122. Limiting strip; 113. Fixing frame; 1131. Second crossbeam; 12. Second bracket; 13. Top beam frame; 14. Bottom beam frame;

[0029] 2. Drive mechanism; 21. Motor; 22. Reducer; 23. Drive wheel; 24. Belt; 25. Turntable; 251. Edge; 252. Connecting plate; 253. Shaft; 254. Reinforcing bar;

[0030] 3. Rotating frame; 31. Swing arm; 311. First fixed point; 312. Second fixed point; 313. Connector; 32. Connecting fastener; 33. Seat; 34. Tubular rotating shaft;

[0031] 4. VR headset. Detailed Implementation

[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0033] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," "third," and "fourth," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0034] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0035] See Figures 1 to 5This embodiment discloses a swing device for VR interaction, including: a support frame 1, including a first support 11 and a second support 12 arranged opposite to each other, with a turntable 25 rotatably connected to the first support 11 and the second support 12 at opposite positions; a drive mechanism 2, including a motor 21, which drives the turntable 25 to rotate; and a rotating frame 3 with a seat 33, including left and right swing arms 31, with a connecting fastener 32 between the left and right swing arms 31, and the seat 33 fixed on the connecting fastener 32 for user comfort.

[0036] The left and right swing arms 31 have relative first fixed points 311, which are rotatably connected to the first support 11 and the second support 12, respectively. The left and right swing arms 31 also have relative second fixed points 312, which are rotatably connected to the turntable 25. Thus, the first fixed points serve as the "basic rotation center" of the swing arms, allowing the swing arms 311 to perform a traditional swing-like reciprocating swing around the support (similar to a simple pendulum motion, with the swing plane perpendicular to the line connecting the support). The second fixed points 312 are driven by the turntable 25, which can drive the swing arms 31 to perform clockwise / counterclockwise circular rotation around the central axis of the equipment (with the rotation plane parallel to the ground). The combination of the two can achieve compound motion.

[0037] In this embodiment, the drive mechanism (motor 21) can quickly stop the rotation of the turntable 25 by power-off or reverse braking. Since the second fixed point 312 of the swing arm is rotatably connected to the turntable 25, the circumferential motion driving force of the swing arm 31 is cut off after the turntable 25 stops rotating. Combined with the frictional damping of the mechanical structure, the swing arm can quickly stop swinging. In addition, the drive mechanism 2 controls the rotation direction of the turntable 25 by the forward and reverse rotation of the motor 21, thereby changing the swing direction of the swing arm. Since the second fixed point 312 of the swing arm 31 is rotatably connected to the turntable 25, the swing arm 31 can also quickly change its swing direction after the turntable 25 turns. Furthermore, since the left and right swing arms 31 have relative first fixed points 311 and second fixed points 312, when it is necessary to stop the swing arm movement urgently, the turntable 25 can lock the second fixed point 312, combined with the electromagnetic braking function of the motor 21, to simultaneously restrict the swing and rotational degrees of freedom of the swing arm 31, achieving millisecond-level braking and quickly stopping the swing arm. When it is necessary to change the swing direction of the swing arm (such as switching from left to right swing), the turntable 25 can apply a reverse torque by driving the second fixed point 312 in the opposite direction and utilizing the two-point connection characteristic of the swing arm to shorten the reversing time and achieve the purpose of rapid reversing.

[0038] It should be noted that the swing device for VR interaction provided by this utility model also includes an electronic control system (not shown in the figure) for automatically controlling the motor 21.

[0039] Furthermore, the first fixed point 311 overlaps with the center of the turntable 25 (not shown in the figure). By setting the first fixed point 311 to overlap with the center of the turntable 25, it means that the rotation center of the swing arm 31 is completely coaxial with the driving force center (the center of the turntable 25). At this time, when the second fixed point 312 of the swing arm 31 rotates with the turntable 25, the entire swing arm 25 will make a pure circular motion around the center (the radius is the length of the swing arm), eliminating the radial displacement (such as back-and-forth / left-and-right swaying) caused by the eccentric connection of the swing arm 25.

[0040] Furthermore, the second fixed point 312 is located away from the seat 33 from the first fixed point 311 of the swing arm 3. Moving the second fixed point 312 away from the seat 33 results in a longer lever arm for the swing arm 31 when driven by the turntable 25. According to the lever principle, a longer lever arm makes it easier for the swing arm to rotate under the same driving force, thereby improving the flexibility of the swing arm's movement, enabling a faster response to the drive mechanism's actions, and achieving more complex motion trajectories.

[0041] Furthermore, the drive mechanism 2 is connected to and drives the turntable 25 via a belt / toothed belt. The belt / toothed belt has a certain elasticity and friction. After the motor 21 stops driving, the elasticity can buffer the inertia of the rotating parts, absorb some kinetic energy, reduce the swing amplitude of the swing arm 31, and further bring the swing arm 31 to a quick stop. Specifically, in this embodiment, the drive mechanism 2 is connected to and drives the turntable 25 via a belt 24.

[0042] Furthermore, a reducer 22 is connected to the output end of the drive mechanism 2. By setting the reducer 22, a single-stage reduction is formed, which can increase the output force. The reducer 22 is connected to a drive wheel 23, and the drive wheel 23 is connected to the turntable 25 through a belt 24, so that the drive wheel 23 drives the turntable 25 to rotate through the belt 24. In this embodiment, the lower end of the belt 24 is sleeved on the drive wheel 23, and the lower end of the belt 24 is sleeved on the edge 251 of the turntable 25.

[0043] Furthermore, the diameter of the belt 24 around the drive wheel 23 is smaller than the diameter of the belt around the turntable 25. By setting the diameter of the belt 24 around the drive wheel 23 to be smaller than the diameter of the belt around the turntable 25, when the drive wheel 23 drives the turntable 25 through the belt 24, the output torque of the turntable 25 is greater than the torque of the drive wheel 23, which further enhances the braking force ultimately transmitted to the swing arm 31.

[0044] Furthermore, it also includes a counterweight block located on the turntable 25. The counterweight block is positioned between the first fixed point 311 and the second fixed point 312, or at the second fixed point 312. By setting the counterweight shaft, the swinging workload of the swing arm 31 is reduced, and the inertia of the swing arm is decreased, so that the swing arm 31 can stop swinging quickly. In this embodiment, the counterweight block is a counterweight shaft, wherein the counterweight block is located at the second fixed point 312. Specifically, the swing arm assembly 3 also includes a tubular rotating shaft 34, which is fixedly sleeved on the counterweight shaft. The top ends of the left and right swing arms 32 are respectively fixed at intervals on the tubular rotating shaft 34. The central hole of the turntable 25 extends towards the edge 251 and is provided with a connecting plate 252 and several reinforcing strips 254. The two ends of the counterweight shaft pass through the tubular rotating shaft 34 and are respectively fixed on the two connecting plates 252. In this embodiment, the two ends of the counterweight shaft are the second fixed points 312.

[0045] Furthermore, the first support 11 and the second support 12 have the same structure and are set in a mirror image. By setting a drive mechanism 2 in both the first support 11 and the second support 12, a symmetrical drive is formed. Therefore, the drive mechanism 2 drives the two turntables 25 to rotate synchronously, so that the swing arm 31 can swing smoothly and in a coordinated manner.

[0046] Furthermore, the first support 11 and the second support 12 have opposing limiting parts for restricting the swing angle of the swing arm 31. The two ends of the counterweight shaft pass through the two limiting parts respectively and are then fixedly connected to the two connecting plates 252. Specifically, a limiting support 112 is provided on the first crossbeam 111 of the first support 11. The limiting support 112 includes a limiting strip 1122 and an arc-shaped frame 1121. The two ends of the first crossbeam 111 are fixed to the two inner sides of the arc-shaped frame 1121 respectively. The limiting strip 1122 is disposed between the first crossbeam 111 and the arc-shaped frame 1121. The lower end of the limiting strip 1122 is fixed to the first crossbeam 111, and the upper end of the limiting strip 1122 is fixed to the upper part of the arc-shaped frame 1121. There are two limiting strips 1122, which together with the two limiting strips 1122, the first crossbeam 111, and the upper part of the arc-shaped frame 1121 form a limiting part.

[0047] In this embodiment, two limiting bars 1122 are positioned between the upper part of the first crossbeam 111 and the arc frame 1121 by setting a limiting part. Therefore, when the turntable 25 drives the tubular rotating shaft 34 to rotate, the swing angle of the swing arm 31 is limited between the two limiting bars 1122. This ensures user safety and controls the swing angle of the swing arm 31. Furthermore, when it is necessary to quickly stop the swing arm 31 or quickly change its swing direction and speed, the limiting bars 1122 provide resistance when the swing arm 31 swings to them. This helps the swing arm 31 overcome inertia, allowing for faster control of stopping the swing or quickly changing its swing direction.

[0048] Furthermore, the limiting strip 1122 is inclinedly disposed between the first crossbeam 111 and the arc frame 1121, and forms a limiting part whose width gradually increases from bottom to top, wherein the inclination angle between the limiting strip 1122 and the first crossbeam 111 is 100-120°.

[0049] In this embodiment, when the inclination angle between the limiting strip 1122 and the first crossbeam 111 is 100-120°, the swing angle of the swing arm 31 will be limited to 100-120°, which can make the swing arm 31 have a larger swing angle, which is more exciting and enhances the user's experience, while also ensuring the user's safety.

[0050] Furthermore, the angle between the limiting strip 1122 and the first crossbeam 111 is 100°. By setting the swing angle of the swing arm 31 in this way, a swing amplitude of 100° can be achieved in a limited space. This not only ensures the safety of the user, but also allows for unrestricted free swinging within the limited space of the virtual reality device, enhancing the user's immersive experience.

[0051] Furthermore, the first support 11 also includes a fixing frame 113, which includes a second crossbeam 1131. The first crossbeam 111 and the second crossbeam 1131 are respectively arranged on both sides of the turntable 25. Both the first crossbeam 111 and the second crossbeam 1131 are provided with bearing seats 1111, and bearings (not shown in the figure) are installed in the bearing seats 1111. A rotating shaft 253 is sleeved in the central hole of the turntable 25. Two bearings are sleeved and fixed on the rotating shaft 253. One end of the rotating shaft 253 passes through the central hole of a bearing and is inserted into the fixing hole of the fixing member 313 on the upper part of the swing arm 31. In this embodiment, the fixing hole is the first fixing point 311. Thus, when the belt 24 drives the turntable 25 to rotate, the rotating shaft 253 drives the bearing to rotate relative to the bearing seat 1111, realizing the rotation of the turntable 25 relative to the support frame 1, and also realizing the rotation of the swing arm 31 relative to the support frame 1.

[0052] Furthermore, the support frame 1 has a top beam frame 13 connected between the upper ends of the first bracket 11 and the second bracket 12, and a bottom beam frame 14 connected between the lower ends.

[0053] In this embodiment, by setting up a top beam frame 13 and a bottom beam frame 14, the top beam frame 13 and the bottom beam frame 14 serve as key components connecting the first support 11 and the second support 12. They can effectively connect the two supports into a whole, thereby greatly enhancing the structural stability of the entire support frame 1.

[0054] The swing device for VR interaction provided in this embodiment can control the swing arm 31 to stop swinging quickly through the coordinated action of the motor 21, reducer 22, drive wheel 23, belt 24, and turntable 25 in the drive mechanism. Specifically: First, by setting the reducer 22, a first-stage reduction is formed, thereby amplifying the torque output by the motor 21, giving the drive wheel 23 a stronger reverse braking force. When the swing arm 31 needs to stop, the motor 21 can quickly switch to braking mode. At this time, the amplified torque of the reducer 22 can directly act on the transmission system, which is equivalent to forcibly counteracting the inertial motion of the swing arm 31 with "greater force". Second, by setting the diameter of the belt 24 around the drive wheel 23 to be smaller than the diameter of the belt around the turntable 25, when the drive wheel 23 drives the turntable 25 through the belt 24, the output torque of the turntable 25 is greater than the torque of the drive wheel 23, which further enhances the braking force ultimately transmitted to the swing arm 31. Finally, by installing a counterweight shaft inside the tubular rotating shaft 34, the center of gravity position is adjusted to reduce the rotational inertia of the swing arm 31, and the inertial torque is reduced. At the same time, the friction between the belt 24 and the drive wheel 23 and the turntable 25 will hinder rotation, and like a brake, it will cause the turntable 25 to stop quickly, so that the swing arm can stop stably in a short time.

[0055] Furthermore, the swing device for VR interaction provided in this embodiment, through the coordinated action of the motor 21, reducer 22, drive wheel 23, belt 24, and turntable 25 in the drive mechanism, can quickly change the swing direction and speed of the swing arm. Specifically: First, by setting the reducer 22, the fixed transmission ratio of the reducer 22 ensures that the output torque of the motor 21 is always in the high response range. When the swing arm 31 needs to switch from "forward swing" to "reverse swing", the motor 21 can quickly reverse, and the torque amplified by the reducer 22 immediately provides the reverse driving force, reducing the lag time; when the speed needs to be reduced, the reducer 22 reduces the output speed, so that the torque is increased synchronously, avoiding speed fluctuations caused by "low-speed torque loss". Second, by setting the diameter of the turntable 25 to be larger than that of the drive wheel, a "speed attenuation gradient" is formed, so that a small change in the speed of the drive wheel 23 can cause a larger proportion of speed change in the turntable 25, making the speed adjustment of the swing arm 31 more delicate, and the large inertia characteristic of the turntable 25 can buffer the power impact when switching directions, preventing the belt 24 from slipping due to sudden stops and turns. Finally, by incorporating a counterweight shaft within the tubular rotating shaft 34, the moment of inertia of the swing arm 31 is reduced through the inward shift of the center of gravity. The counterweight shaft significantly increases the angular acceleration required for turning, shortening the direction-switching time of the swing arm 31 under the same torque. Furthermore, the counterweight shaft nearly coincides with the center of mass of the swing arm 31 and the axis of the tubular rotating shaft 34, eliminating the interference of centrifugal inertial torque on turning. This results in a smaller swing arm sway amplitude during high-speed turning, avoiding "turning lag" caused by inertial torque, and enabling rapid switching of swing direction. For the above reasons, the VR interactive swing device provided in this embodiment, when combined with a VR interactive scene, avoids significant delays and severe mismatches between the user's actions and the virtual scene in the VR image when quickly stopping the swing or rapidly changing the swing direction and speed of the swing arm, thus providing the user with a better sense of immersion.

[0056] like Figure 4-5 As shown, during operation, the user puts on the VR headset 4, sits on the seat 33, turns on the power, and the electronic control system controls the motor 21, which drives the drive wheel 23. The drive wheel 23 drives the belt 24, which in turn drives the turntable 25 to rotate. The turntable 25 then drives the swing arm 31 to swing. When the user wants to end the swing experience, or needs to quickly stop the swing action according to the changes in the VR scene, or quickly change the direction of the swing arm 31, this device can react quickly, enhancing the user's immersive experience.

[0057] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A swing device for VR interaction, characterized in that, include: The support frame (1) includes a first bracket (11) and a second bracket (12) arranged opposite to each other on the left and right sides, and a turntable (25) is rotatably connected to the first bracket (11) and the second bracket (12) at a relative position. Drive mechanism (2), which drives the turntable (25) to rotate; A rotating frame (3) with a seat (33) includes left and right swing arms (31), and a connecting fastener (32) is provided between the left and right swing arms (31). The seat (33) is fixed on the connecting fastener (32). The left and right swing arms (31) have relative first fixed points (311), which are rotatably connected to the first support (11) and the second support (12) respectively, and the left and right swing arms (31) have relative second fixed points (312), which are rotatably connected to the turntable (25) respectively.

2. The swing device for VR interaction according to claim 1, characterized in that, The first fixed point (311) overlaps with the center of the turntable (25).

3. The swing device for VR interaction according to claim 1, characterized in that, The second fixing point (312) is located away from the seat (33) from the first fixing point (311) of the swing arm (31).

4. The swing device for VR interaction according to claim 1, characterized in that, The drive mechanism (2) is connected to the turntable (25) via a belt (24) / toothed belt and drives the turntable (25).

5. The swing device for VR interaction according to claim 1, characterized in that, The output end of the drive mechanism (2) is connected to a reducer (22), the reducer (22) is connected to a drive wheel (23), and the drive wheel (23) is connected to the turntable (25) via a belt (24) / toothed belt.

6. The swing device for VR interaction according to claim 5, characterized in that, The diameter of the belt (24) around the drive wheel (23) is smaller than the diameter of the belt (24) around the turntable (25).

7. The swing device for VR interaction according to claim 1, characterized in that, It also includes a counterweight located on a turntable (25).

8. The swing device for VR interaction according to claim 7, characterized in that, The counterweight is located between the first fixed point (311) and the second fixed point (312), or at the second fixed point (312).

9. The swing device for VR interaction according to claim 1, characterized in that, The first bracket (11) and the second bracket (12) have opposing limiting portions for limiting the swing angle of the swing arm (31).

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