Force feedback apparatus and electronic device

Abstract

A force feedback apparatus and an electronic device, relating to the technical field of electronic devices. The force feedback apparatus (100) comprises: a base (1), a trigger (2), a first transmission assembly (4), and a second transmission assembly (5); the trigger (2) is rotatably connected to the base (1); the first transmission assembly (4) is in transmission connection with the trigger (2); the second transmission assembly (5) comprises a first gear (53), a transmission gear (54), a ring gear (52), and a rotating bracket (51); the transmission gear (54) is meshed between the first gear (53) and the ring gear (52); the ring gear (52) is fastened with the base (1); the rotating bracket (51) is connected to the transmission gear (54); the rotating bracket (51) can spin relative to the first gear (53) and the ring gear (52); a driving assembly (3) can drive the second transmission end to spin; when the trigger (2) rotates relative to the base (1), the trigger (2) can drive, by means of the first transmission assembly (4), a first transmission end to spin; and the driving assembly (3) can drive a second transmission end to spin, so as to block or assist spinning of the first transmission end.

Description

Force feedback devices and electronic devices

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS

[0002] This application claims priority to the Chinese patent application filed with the China Patent Office on June 13, 2023, with application number 202310698734.0 and title “Force Feedback Device and Electronic Device,” the entire contents of which are incorporated by reference into this application. Technical Field

[0003] The present application belongs to the technical field of electronic equipment, and specifically relates to a force feedback device and an electronic device. Background Art

[0004] With the development of technology, electronic devices are becoming increasingly versatile. Electronic devices have become an essential tool for daily travel, entertainment, communication, and other social activities. In related technologies, to enhance the user's sense of touch when operating electronic devices, a vibration mechanism is installed within the electronic device. This mechanism vibrates the electronic device, providing tactile feedback to the user. However, this mechanism can only drive the overall vibration of the electronic device and cannot provide accurate tactile feedback when the user presses the trigger.

[0005] Therefore, the above problems result in that the vibration mechanism in the related art cannot provide accurate tactile feedback to the trigger pressed by the user.

[0006] Summary of the Invention

[0007] The present application aims to provide a force feedback device and an electronic device, which at least solve the technical problem in the related art that the vibration mechanism cannot provide accurate tactile feedback to the trigger pressed by the user.

[0008] In a first aspect, an embodiment of the present application provides a force feedback device, comprising:

[0009] base;

[0010] a trigger, rotatably connected to the base;

[0011] A first transmission assembly, connected to the trigger transmission;

[0012] A second transmission assembly includes a first gear, a transmission gear, a ring gear, and a rotating bracket, the transmission gear meshing between the first gear and the ring gear, the ring gear being fixed to the base, the rotating bracket connected to the transmission gear, and capable of rotating relative to the first gear and the ring gear, one of the rotating bracket and the first gear forming a first transmission end of the second transmission assembly, and the other forming a second transmission end of the second transmission assembly, the first transmission end being in transmission connection with the first transmission assembly;

[0013] A driving assembly is in driving connection with the second transmission end, and the driving assembly is capable of driving the second transmission end to rotate;

[0014] When the trigger rotates relative to the base, the trigger can drive the first transmission end to rotate through the first transmission assembly, and the drive assembly can drive the second transmission end to rotate to block or assist the rotation of the first transmission end.

[0015] In a second aspect, an embodiment of the present application provides an electronic device, comprising any one of the force feedback devices provided in the first aspect.

[0016] In an embodiment of the present application, a first transmission assembly and a second transmission assembly are arranged to be transmission-connected between the trigger and the drive assembly, so that the first transmission assembly and the second transmission assembly can transmit power between the trigger and the drive assembly; and a drive assembly is arranged to be able to drive the second transmission end to rotate so as to block or assist the rotation of the first transmission end, so that the drive assembly can assist or hinder the rotation of the trigger relative to the base through the first transmission assembly and the second transmission assembly, so that the trigger can achieve tactile feedback such as damping, force release, vibration, and rebound, and the tactile feedback is accurately fed back to the user through the trigger, thereby improving the authenticity and accuracy of the tactile feedback.

[0017] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become obvious from the description below, or will be learned through practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0019] The above and / or additional aspects and advantages of the present application will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0020] FIG1 is a schematic diagram of a three-dimensional structure of an embodiment of a force feedback device according to the present application;

[0021] FIG2 is a second schematic diagram of the three-dimensional structure of an embodiment of the force feedback device according to the present application;

[0022] FIG3 is a schematic cross-sectional view of an embodiment of a force feedback device according to the present application;

[0023] FIG4 is a schematic diagram of the disassembled structure of an embodiment of a second transmission assembly according to the present application;

[0024] FIG5 is a third schematic diagram of the three-dimensional structure of an embodiment of a force feedback device according to the present application;

[0025] FIG6 is a fourth schematic diagram of the three-dimensional structure of an embodiment of the force feedback device according to the present application;

[0026] FIG7 is a schematic cross-sectional view of an embodiment of a force feedback device according to the present application;

[0027] FIG8 is a schematic diagram of a disassembled structure of an embodiment of a force feedback device according to the present application;

[0028] FIG9 is a schematic cross-sectional view of an embodiment of a second transmission assembly according to the present application;

[0029] FIG. 10 is a second schematic diagram of the disassembled structure of the embodiment of the force feedback device according to the present application.

[0030] Figure numerals: 100 - force feedback device, 1 - base, 12 - first opening, 13 - second opening, 14 - first cover, 141 - cover plate, 142 - side plate, 144 - second rotating part, 145 - recess, 15 - second cover, 2 - trigger, 21 - first rotating part, 22 - main body, 3 - driving assembly, 4 - first transmission assembly, 41 - swing arm, 42 - second gear, 5 - second transmission assembly, 51 - rotating bracket, 541 - mounting plate, 542 - first connecting rod, 543 - second connecting rod, 52 - ring gear, 521 - arc-shaped rack, 522 - limit member, 53 - gear, 54 - transmission gear, 55 - bearing, 6 - detection mechanism, 61 - first sensing member, 62 - second sensing member, 71 - rotating shaft, 73 - return spring, X - first direction, Y - second direction, L1 - axis, L2 - axis. Specific embodiments

[0031] To make the purpose, technical solutions, and advantages of the embodiments of this application more clear, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the drawings in the embodiments of this application. Obviously, the described embodiments are part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0032] The terms "first" and "second" in the specification and claims of this application may explicitly or implicitly refer to one or more of the features. Throughout the description of this application, unless otherwise specified, "plurality" means two or more. Furthermore, "and / or" in the specification and claims refers to at least one of the connected entities, and the character " / " generally indicates an "or" relationship between the connected entities.

[0033] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0034] In the description of this application, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0035] The force feedback device 100 according to an embodiment of the present application is described below with reference to FIG. 1 to FIG. 10 .

[0036] Referring to Figures 1, 2, 3 and 4, a force feedback device 100 includes a base 1, a trigger 2, a first transmission assembly 4, a second transmission assembly 5 and a drive assembly 3. The trigger 2 is rotatably connected to the base 1; the first transmission assembly 4 is in transmission connection with the trigger 2; the second transmission assembly 5 includes a first gear 53, a transmission gear 54, a ring gear 52 and a rotating bracket 51. The transmission gear 54 is meshed between the first gear 53 and the ring gear 52. The ring gear 52 is fixed to the base 1. The rotating bracket 51 is connected to the transmission gear 54. The rotating bracket 51 can rotate relative to the first gear 53. The gear 53 and the ring gear 52 rotate, and one of the rotating bracket 51 and the first gear 53 is the first transmission end of the second transmission component 5, and the other is the second transmission end of the second transmission component 5. The first transmission end is connected to the first transmission component 4; the driving component 3 is connected to the second transmission end, and the driving component 3 can drive the second transmission end to rotate; when the trigger 2 rotates relative to the base 1, the trigger 2 can drive the first transmission end to rotate through the first transmission component 4, and the driving component 3 can block or assist the first transmission end from rotating by driving the second transmission end to rotate.

[0037] The force feedback device 100 provided herein can be installed in an electronic device, such as a controller or remote control for interacting with other electronic devices. It can also be a mobile phone, tablet computer, laptop computer, PDA, in-vehicle electronic device, augmented reality (AR) / virtual reality (VR) device, electronic game console, or other device. The embodiments of this application are not limited to the specific type of electronic device. For ease of description, the following description uses the force feedback device 100 applied to a controller as an example.

[0038] The base 1 can provide a mounting base for the trigger 2 and the drive assembly 3, and can also provide a housing for the first transmission assembly 4 and / or the second transmission assembly 5, thereby accommodating at least a portion of the first transmission assembly 4 and / or at least a portion of the second transmission assembly 5. For example, the first gear 53, the transmission gear 54, the ring gear 52, and the rotating bracket 51 can be accommodated within the base 1.

[0039] At least a portion of the trigger 2 is exposed from the housing of the handle, allowing a user to touch and apply force to the trigger 2. The trigger 2 is rotatably connected to the base 1, and the user can apply force to the trigger 2 and push the trigger 2 to rotate relative to the base 1, thereby changing the rotation of the trigger 2 relative to the base 1 between a first position and a second position.

[0040] The trigger 2, first transmission assembly 4, second transmission assembly 5, and drive assembly 3 are sequentially connected. When the trigger 2 is rotated between the first and second positions, the trigger 2 can drive the first transmission assembly 4, which in turn drives the second transmission assembly 5. The drive assembly 3 can also output power to the second transmission assembly 5, causing the second transmission assembly 5 to move, which in turn drives the first transmission assembly 4, which in turn drives or restricts the rotation of the trigger 2 between the first and second positions.

[0041] The first transmission assembly 4 may include one or more of a transmission rod, a gear, a worm, a transmission belt, and a chain to transmit the power of the trigger 2 to the second transmission assembly 5 , or transmit the power of the second transmission assembly 5 to the trigger 2 .

[0042] The transmission gear 54 can revolve around the first gear 53 and also rotate on its own. In the embodiment provided in the present application, the second transmission assembly 5 has a first transmission end and a second transmission end. The second transmission assembly 5 can provide at least the following two transmission connection modes:

[0043] In the first type, the rotating bracket 51 is the first transmission end, and the first gear 53 is the second transmission end. The rotating bracket 51 is in transmission connection with the first transmission component 4, and the first gear 53 is in transmission connection with the drive component 3. When the drive component 3 outputs power to the second transmission end, the drive shaft of the drive component 3 drives the first gear 53 to rotate, and the first gear 53 drives the transmission gear 54 meshing with it to rotate around the central axis of the first gear 53. Since the ring gear 52 is fixed to the base 1, the ring gear 52 does not rotate with the transmission gear 54. The transmission gear 54 drives the rotating bracket 51 to rotate, and the rotating bracket 51 outputs power to the first transmission component 4. The transmission direction of the force when the first transmission component 4 outputs power to the first transmission end is opposite to the transmission direction of the force when the drive component 3 outputs power to the second transmission end, and will not be described in detail here.

[0044] The second type is that the first gear 53 is the first transmission end and the rotating bracket 51 is the second transmission end. The first gear 53 is in transmission connection with the first transmission assembly 4, and the rotating bracket 51 is in transmission connection with the drive assembly 3. When the drive assembly 3 outputs power to the second transmission end, the drive shaft of the drive assembly 3 drives the rotating bracket 51 to rotate, and the rotating bracket 51 drives the transmission gear 54 connected to it to rotate around the central axis of the first gear 53. Since the ring gear 52 is fixed to the base 1, the ring gear 52 does not rotate with the transmission gear 54. The transmission gear 54 drives the first gear 53 to rotate, and the first gear 53 outputs power to the drive assembly 3. The transmission direction of the force when the first transmission assembly 4 outputs power to the first transmission end is opposite to the transmission direction of the force when the drive assembly 3 outputs power to the second transmission end, and they will not be described in detail here.

[0045] The drive assembly 3 may include a drive member such as a rotary motor and a linear motor. The drive assembly 3 can directly or indirectly output power in both positive and negative directions to the second transmission assembly 5 through the drive member. When the power output by the drive assembly 3 is consistent with the direction in which the trigger 2 drives the second transmission end to rotate through the first transmission assembly 4, the power output by the drive assembly 3 assists the rotation of the second transmission end. When the power output by the drive assembly 3 is opposite to the direction in which the trigger 2 drives the second transmission end to rotate through the first transmission assembly 4, the power output by the drive assembly 3 hinders the rotation of the second transmission end. By adjusting parameters such as the direction of action of the output power of the drive assembly 3, the torque of the power, and the output duration of the power, tactile feedback such as press damping, force release, vibration, and rebound can be achieved.

[0046] In the force feedback device 100 provided in this embodiment, by providing a first transmission assembly 4 and a second transmission assembly 5 in transmission connection between the trigger 2 and the drive assembly 3, the first transmission assembly 4 and the second transmission assembly 5 can transmit power between the trigger 2 and the drive assembly 3; by providing a transmission gear 54 meshing between the first gear 53 and the ring gear 52, and providing a rotating bracket 51 connected to the transmission gear 54, the transmission ratio of the second transmission assembly 5 can be adjusted by adjusting the number of teeth of the transmission gear 54, the first gear 53 and the ring gear 52, so that the force feedback device 100 can achieve force feedback response with different precisions; by providing the drive assembly 3 to be able to block or assist the rotation of the first transmission end by driving the second transmission end to rotate, the drive assembly 3 can assist or hinder the rotation of the trigger 2 relative to the base 1 through the first transmission assembly 4 and the second transmission assembly 5, so that the trigger 2 can achieve tactile feedback such as damping, force release, vibration, and rebound. This tactile feedback is accurately fed back to the user through the trigger 2, thereby improving the authenticity and accuracy of the tactile feedback.

[0047] When the ring gear 52 is fixed, the first gear 53 is the power input end, and the rotating bracket 51 is the power output end, the transmission ratio of the second transmission component 5 is greater than 1, the speed of the power input end of the second transmission component 5 is greater than the speed of the power output end, and the second transmission component 5 performs a movement to decelerate and increase torque. When the ring gear 52 is fixed, the rotating bracket 51 is the power input end, and the first gear 53 is the power output end, the transmission ratio of the second transmission component 5 is less than 1, the speed of the power input end of the second transmission component 5 is less than the speed of the power output end, and the second transmission component 5 performs a movement to increase speed and reduce torque. Therefore, those skilled in the art can determine whether the drive component 3 is connected to the rotating bracket 51 or the ring gear 52 based on the requirements for increasing or decreasing the output speed of the drive component 3 and the requirements for increasing or reducing the output torque of the drive component 3.

[0048] In some embodiments, the first transmission end is a rotating bracket 51, the second transmission end is a first gear 53, and the first transmission assembly 4, the rotating bracket 51, the first gear 53 and the driving assembly 3 are arranged in sequence along the first direction X.

[0049] Since the rotating bracket 51 is connected to the first transmission assembly 4 and the first gear 53 is connected to the driving assembly 3, the torque input by the driving mechanism through the first gear 53 can be increased by the second transmission assembly 5, so as to increase the torque that the driving assembly 3 can act on the trigger 2 through the first transmission assembly 4 and the second transmission assembly 5 while keeping the maximum output torque of the driving assembly 3 unchanged.

[0050] Please refer to Figures 5 and 6 . Figure 5 is a schematic diagram of the three-dimensional structure of the force feedback device 100 when the trigger 2 is in the first position, and Figure 6 is a schematic diagram of the three-dimensional structure of the force feedback device 100 when the trigger 2 is in the second position. For example, the first position is when the trigger 2 is in the initial position relative to the base 1, and the second position is when the trigger 2 is in the pressed position relative to the base 1.

[0051] For example, as shown in Figures 2 and 5, when a user presses trigger 2, trigger 2 rotates from a first position to a second position in the direction of the dashed arrow in Figure 5. Trigger 2 and base 1 rotate about axis L1 shown in Figure 2. Driven by trigger 2, rotating bracket 51 rotates about axis L2 shown in Figure 2. Rotating bracket 51 drives transmission gear 54 to rotate while revolving around first gear 53. Transmission gear 54 inputs a driving force to first gear 53 to drive the first gear 53 to rotate in a first circumferential direction. When drive assembly 3 outputs a driving force to the first gear 53 to drive the first gear 53 to rotate in the first circumferential direction, drive assembly 3 can assist the first gear 53 in rotating in the first circumferential direction, allowing the user to experience tactile feedback of force release, i.e., tactile feedback that pressing trigger 2 is effortless, and the directions of the first circumferential direction and the second circumferential direction are opposite. When the drive assembly 3 outputs a driving force to the first gear 53 to rotate along the second circumferential direction, the drive assembly 3 can hinder the first gear 53 from rotating along the first circumferential direction, so that the user feels the tactile feedback of the press damping, that is, the tactile feedback of pressing the trigger 2 with effort.

[0052] For example, as shown in FIG6 , a user presses on the trigger 2, and the trigger 2 is in the second position. When the drive assembly 3 outputs a driving force to the first gear 53 to drive the first gear 53 to rotate along the second circumferential direction, the drive assembly 3 drives the first gear 53 to rotate along the second circumferential direction. The first gear 53 drives the transmission gear 54 to rotate while revolving around the first gear 53. The transmission gear 54 drives the rotating bracket 51 to rotate. The rotating bracket 51 outputs power to the first transmission assembly 4, and the first transmission assembly 4 can drive the trigger 2 to rotate from the second position to the first position, so that the user can feel the tactile feedback of the trigger 2 rebounding, that is, the trigger 2 returns to the initial position.

[0053] Exemplarily, the user lightly touches the trigger 2, and when the drive component 3 outputs a driving force to the first gear 53 to rotate back and forth along the first circumferential direction and along the second circumferential direction, the drive component 3 drives the first gear 53 to rotate back and forth along the first circumferential direction and along the second circumferential direction, and the first gear 53 drives the transmission gear 54 to rotate while revolving around the first gear 53, and the transmission gear 54 drives the rotating bracket 51 to rotate, and the rotating bracket 51 outputs a power for reciprocating rotation along the first circumferential direction and along the second circumferential direction to the first transmission component 4, and the first transmission component 4 can drive the trigger 2 to rotate back and forth between the first position and the second position, so that the user can feel the tactile feedback of the vibration of the trigger 2.

[0054] In the embodiment provided in the present application, the first transmission assembly 4, the rotating bracket 51, the first gear 53 and the driving assembly 3 are arranged in sequence along the first direction X. When the trigger 2 moves or the driving mechanism drives, the rotating bracket 51 and the first gear 53 rotate, and the transmission gear 54 rotates while revolving around the first gear 53, so that the first transmission assembly 4 does not move in the first direction X, and power transmission can be achieved, thereby eliminating the need to reserve moving space for the second transmission assembly 5 in the first direction X, thereby reducing the length of the force feedback device 100 in the first direction X.

[0055] Please refer to Figures 7 and 8. In some embodiments, the base 1 has a first opening 12 and a second opening 13 arranged along the first direction X, the second transmission assembly 5 is arranged in the base 1, a portion of the rotating bracket 51 extends out of the base 1 through the first opening 12 and is connected to the first transmission assembly 4, and a portion of the driving assembly 3 extends into the base 1 through the second opening 13 and is connected to the first gear 53.

[0056] The first transmission assembly 4 can be disposed on one side of the base 1 along the first direction X, and the drive assembly 3 can be disposed on the other side of the base 1 along the first direction X. The base 1 not only provides a space for accommodating the ring gear 52, the first gear 53, and the transmission gear 54, but also serves to confine lubricant used to lubricate the ring gear 52, the first gear 53, and the transmission gear 54 within the base 1, and also provides a mounting base for the ring gear 52, the rotating bracket 51, and the drive assembly 3.

[0057] The ring gear 52 , the first gear 53 and the transmission gear 54 are arranged in the base 1 to prevent foreign matter from entering the base 1 and interfering with the coordinated movement among the ring gear 52 , the first gear 53 and the transmission gear 54 .

[0058] In some embodiments, the base 1 includes a first cover 14 and a second cover 15 that overlap each other, the first opening 12 is provided on the first cover 14 , the second opening 13 is provided on the second cover 15 , and the gear ring 52 is fixed on the first cover 14 and / or the second cover 15 .

[0059] The first cover 14 and the second cover 15 overlap each other, and together they define a receiving space. The ring gear 52 is fixed to the first cover 14 and / or the second cover 15, so that when the transmission gear 54 rotates, the ring gear 52 fixed to the first cover 14 and / or the second cover 15 does not rotate. In the embodiment shown in Figure 8, the ring gear 52 is fixed to the second cover 15 and is integrally formed with the second cover 15 to enhance the connection stability between the ring gear 52 and the second cover 15.

[0060] In some embodiments, the ring gear 52 is fixed to the second cover body 15 , the first cover body 14 includes a cover plate 141 and a side plate 142 , the side plate 142 is arranged on the cover plate 141 , the side plate 142 is arranged around the ring gear 52 , and the second cover body 15 is covered on the side plate 142 .

[0061] The inner tooth surface of the ring gear 52 meshes with the transmission gear 54, and the outer surface of the ring gear 52 is positioned opposite the side plate 142. During assembly, the first gear 53, the transmission gear 54, the rotating bracket 51, and the ring gear 52 on the second cover 15 can be assembled first. Then, the first cover 14 can be placed on the second cover 15, with the rotating bracket 51 partially extending out of the first opening 12.

[0062] By arranging the side plate 142 around the ring gear 52 , the side plate 142 can protect the ring gear 52 , reduce or avoid damage to the ring gear 52 by external forces, and improve the stability of the movement of the second transmission assembly 5 .

[0063] In some embodiments, the rotating bracket 51 includes a mounting plate 541, a first connecting rod 542 and a second connecting rod 543, the first connecting rod 542 and the second connecting rod 543 are connected to both sides of the mounting plate 541 along the first direction X, the first connecting rod 542 extends out of the base 1 and is connected to the first transmission assembly 4, and the second connecting rod 543 is connected to the transmission gear 54.

[0064] By arranging the first connecting rod 542 and the second connecting rod 543 on the mounting plate 541 , power can be transmitted between the second gear 42 and the transmission gear 54 by rotating the bracket 51 .

[0065] In some embodiments, there are multiple transmission gears 54 , and the multiple transmission gears 54 are arranged around the first gear 53 . The rotating bracket 51 is connected to the multiple transmission gears 54 respectively.

[0066] If there are multiple transmission gears 54, there are also multiple second connecting rods 543, and the multiple second connecting rods 543 are connected to the multiple transmission gears 54 in a one-to-one correspondence. The greater the number of transmission gears 54, the greater the load that the second transmission assembly 5 can bear. The multiple transmission gears 54 can share the load, reducing the force acting between each transmission gear 54 and the second connecting rod 543, and reducing the size of the transmission gears 54.

[0067] To balance the radial force components at the meshing points of the transmission gears 54 and the centrifugal force generated by the revolution of the transmission gears 54, multiple transmission gears 54 can be evenly spaced around the first gear 53, thereby increasing the smoothness of the rotation and revolution of the transmission gears 54. In the embodiment shown in FIG8 , there are three transmission gears 54, which are evenly spaced around the first gear 53. The first connecting rod 542 is coaxially arranged with the first gear 53, and the projections of the three second connecting rods 543 on the mounting plate 541 are arranged around the projections of the first connecting rod 542 on the mounting plate 541.

[0068] Referring to FIG. 9 , in some embodiments, to facilitate the user's depressing of the trigger 2, the travel of the trigger 2 from the first position to the second position is relatively short. This results in the travel of the transmission gear 54 orbiting around the first gear 53 being shorter than the circumference of the first gear 53 when the trigger 2 rotates from the first position to the second position. In other words, the transmission gear 54 does not need to orbit around the first gear 53 in a complete circle during the rotation of the trigger 2 between the first position and the second position. Therefore, in some embodiments, the ring gear 52 includes a plurality of arcuate racks 521 and stoppers 522 disposed at both ends of the arcuate racks 521. The plurality of arcuate racks 521 are sequentially spaced apart around the first gear 53, and the plurality of transmission gears 54 mesh with the plurality of arcuate racks 521 in a one-to-one correspondence.

[0069] The limiting member 522 can be a protrusion relative to the arc member and radially closer to the first gear 53 along the gear ring 52. The two limiting members 522 located between the two arc-shaped racks 521 can be an integral member, and the arc-shaped racks 521 and the limiting members 522 are alternately arranged around the first gear 53.

[0070] The limiting member 522 can limit the revolution stroke of each transmission gear 54 and the length of the arc-shaped rack 521 corresponding to the transmission gear 54 to be consistent, thereby limiting the revolution stroke of the transmission gear 54 and limiting the rotation angle of the trigger 2 relative to the base 1.

[0071] Optionally, when the trigger 2 is in the first position relative to the base 1, each transmission gear 54 contacts a stopper 522 located at one end of the arcuate rack 521; when the trigger 2 is in the second position relative to the base 1, each transmission gear 54 contacts a stopper 522 located at the other end of the arcuate rack 521. The provision of the stopper 522 prevents the trigger 2 from rotating relative to the base 1 beyond the first or second position. The arcuate racks 521 can be of the same length.

[0072] Please refer to FIG. 8 and FIG. 10 together. In some embodiments, the second transmission assembly 5 further includes a bearing 55 . The bearing 55 is sleeved between the rotating bracket 51 and the base 1 .

[0073] The bearing 55 disposed between the rotating bracket 51 and the base 1 can reduce friction between the rotating bracket 51 and the base 1. Optionally, the bearing 55 is disposed between the first connecting rod 542 and the first cover 14. The cover plate 141 of the first cover 14 can be provided with a relief recess 145, into which the bearing 55 can be placed. The relief recess 145 can limit the bearing 55 and accommodate at least a portion of the bearing 55, thereby improving the compactness of the assembly of the second transmission assembly 5 and the base 1.

[0074] In some embodiments, the first transmission assembly 4 includes a swing arm 41 and a second gear 42. One end of the swing arm 41 is rotatably connected to the trigger 2, and the trigger 2 can drive the swing arm 41 to rotate relative to the base 1; the second gear 42 is connected to the rotating bracket 51 and meshes with the swing arm 41. The second gear 42, the second transmission assembly 5 and the driving assembly 3 are connected in sequence along the first direction X. The second transmission assembly 5 and the trigger 2 are spaced apart along the second direction Y, and the first direction X and the second direction Y are intersected.

[0075] One end of the swing arm 41 can be integrally formed with the trigger 2. When the trigger 2 rotates at a certain angular velocity, the swing arm 41 can rotate simultaneously at the same angular velocity. The other end of the swing arm 41 has teeth that mesh with the second gear 42. Rotation of the swing arm 41 drives the second gear 42 to rotate. The rotational force generated by the rotation of the second gear 42 is input into the first rotating end, driving the second rotating end to rotate.

[0076] In this embodiment, the swing arm 41 and the second gear 42 are provided to transmit the rotation of the trigger 2 to the second transmission assembly 5. By adjusting the number of teeth in the second transmission assembly 5, the transmission ratio between the first and second rotation ends can be adjusted, thereby improving the precision of the force feedback provided by the drive assembly 3 to the rotation of the trigger 2 via the first and second transmission assemblies 4 and 5. The second transmission assembly 5 is spaced apart from the trigger 2 along the second direction Y to reduce the length of the force feedback device 100 in the first direction X.

[0077] Optionally, the trigger 2 rotates about the first axis L between a first position and a second position, and the trigger 2 drives the swing arm 41 to rotate about the first axis L and translate within a reference plane. The first axis L extends along a first direction X. The second gear 42, the rotating bracket 51, the ring gear 52, and the first ring gear 52 are coaxially arranged along the axis L2 shown in FIG2 . The first direction X and the second direction Y are perpendicular, and the reference plane can be arranged along the first direction X with the base 1.

[0078] In some embodiments, the force feedback device 100 further includes a detection mechanism 6 and a control mechanism. The detection mechanism 6 includes a first sensing member 61 and a second sensing member 62. One of the first sensing member 61 and the second sensing member 62 is disposed on the first transmission assembly 4, and the other is disposed on the base 1. When the trigger 2 rotates relative to the base 1 between the first position and the second position, the first sensing member 61 moves away from or toward the second sensing member 62. The first sensing member 61 is capable of generating relative position information of the first sensing member 61 and the second sensing member 62. The control mechanism is electrically connected to the drive assembly 3 and the first sensing member 61, respectively, and is capable of controlling the drive assembly 3 to drive the second transmission end to rotate according to the relative position information.

[0079] The first sensing element 61 and the second sensing element 62 are provided so that the distance between the trigger 2 and the base 1 can be detected by the first sensing element 61 and the second sensing element 62, and the relative position relationship between the trigger 2 and the base 1 can be obtained. One of the first sensing element 61 and the second sensing element 62 can be a magnetic element, and the other can be a Hall element.

[0080] The relative position information can be an analog signal or a digital signal. The control mechanism includes a control chip, and the detection mechanism 6 can be electrically connected to the control chip to transmit the analog signal or digital signal detected to the control chip. The control chip can generate a control signal for controlling the drive component 3 based on the analog signal or digital signal. The drive component 3 outputs power in different directions and magnitudes based on the control signal, thereby enabling the drive component 3 to output power in different directions and magnitudes according to the relative position of the trigger 2 and the base 1.

[0081] Because electronic devices of varying specifications require triggers 2 having different shapes, the first sensor 61 is positioned on the swing arm 41 to facilitate the replacement of triggers 2 of varying specifications with the force feedback device 100. Because the trigger 2 must be exposed outside the electronic device's housing and receive the thrust applied by the user, the swing arm 41 possesses greater stability than the trigger 2. Positioning the first sensor 61 on the swing arm 41 enhances its stability.

[0082] In some embodiments, the force feedback device 100 further includes a rotating shaft 71 and a return spring 73 . The trigger 2 , the base 1 and the return spring 73 are all sleeved on the rotating shaft 71 , and the return spring 73 abuts between the base 1 and the trigger 2 .

[0083] When the user applies force to press the trigger 2 to rotate relative to the base 1, the return spring 73 is deformed under the action of the base 1 and the trigger 2. When the user releases the trigger 2, the elastic restoring force of the return spring 73 drives the base 1 and the trigger 2 to rotate relative to each other and return to normal.

[0084] For example, the first position is when the trigger 2 is in its initial position relative to the base 1, and the second position is when the trigger 2 is in its depressed position relative to the base 1. When the user depresses the trigger 2, the trigger 2 rotates from the first position toward the second position, causing the return spring 73 to deform as the trigger 2 and the base 1 squeeze. When the user releases the trigger 2, the elastic restoring force of the return spring 73 drives the base 1 and trigger 2 to rotate from the second position toward the first position.

[0085] By arranging the trigger 2, the base 1 and the return spring 73 to be sleeved on the rotating shaft 71, it is ensured that the trigger 2 and the base 1 can rotate relative to each other around the axial direction of the rotating shaft 71; by arranging the return spring 73 to abut between the base 1 and the trigger 2, the trigger 2 can automatically reset from the first position to the second position, or automatically reset from the second position to the first position without the user pressing it.

[0086] In some embodiments, the trigger 2 includes a main body portion 22 and a first rotating portion 21 connected to each other, the first rotating portion 21 is arranged at intervals and is sleeved on the rotating shaft 71, the base 1 includes a side plate 142 and a second rotating portion 144 connected to each other, the second rotating portion 144 is arranged at intervals and is sleeved on the rotating shaft 71, and the return spring 73 abuts between the main body portion 22 and the side plate 142.

[0087] During the rotation of the first rotating portion 21 and the second rotating portion 144 around the rotating shaft 71, the main body 22 and the side plate 142 approach each other, so that the return spring 73 abutting between the main body 22 and the side plate 142 can be compressed by the main body 22 and the side plate 142.

[0088] The first rotating portion 21 and the second rotating portion 144 may have through-holes, into which the rotating shaft 71 may be inserted along the first direction X. The first cover 14 of the base 1 includes a side plate 142, a cover plate 141 and a connecting plate spaced apart along the first direction X. The side plate 142 connects the cover plate 141 and the connecting plate. The areas with through-holes on the cover plate 141 and the connecting plate are reused as the spaced-apart second rotating portions 144.

[0089] In some embodiments, the base 1 includes a protrusion that projects relative to the first cover 14 in a direction away from the drive assembly 3. The protrusion is positioned opposite the swing arm 41. The first sensor 61 is positioned on a side of the swing arm 41 proximal to the protrusion, and the second sensor 62 is positioned on the protrusion. Positioning the second sensor 62 on the protrusion allows the mounting base to avoid movement of the swing arm 41. Optionally, the mounting base includes a first surface, with the protrusion positioned relative to the first surface. The swing arm 41 can rotate within a reference plane defined by the first surface.

[0090] In some embodiments, the force feedback device 100 has at least one of a first operating mode, a second operating mode, and a third operating mode.

[0091] When the force feedback device 100 is in the first working mode, the driving assembly 3 drives the second transmission end to rotate, so that the trigger 2 reciprocates between the first position and the second position relative to the base 1;

[0092] When the force feedback device 100 is in the second working mode and the trigger 2 rotates relative to the base 1 between the first position and the second position, the trigger 2 drives the first transmission end to rotate along the first circumferential direction via the first transmission assembly 4, and the driving assembly 3 drives the second transmission end to rotate along the first circumferential direction;

[0093] When the force feedback device 100 is in the third working mode and the trigger 2 rotates relative to the base 1 between the first position and the second position, the trigger 2 drives the first transmission end to rotate along the first circumferential direction via the first transmission assembly 4, and the driving assembly 3 drives the second transmission end to rotate along the second circumferential direction;

[0094] The first circumferential direction and the second circumferential direction are in opposite directions.

[0095] The first operating mode may be a vibration mode. The drive assembly 3 drives the second transmission end to rotate back and forth in a counterclockwise and clockwise direction. The first transmission assembly 4 and the second transmission assembly 5 transmit the rotation to the trigger 2, causing the trigger 2 to rotate back and forth between the first position and the second position relative to the base 1. The user experiences vibration of the trigger 2.

[0096] The second working mode may be a force release mode. When the user presses the trigger 2 to rotate, the second transmission end rotates along the first circumferential direction, and the driving assembly 3 drives the second transmission end to rotate along the first circumferential direction, and the user feels the force release of pressing the trigger 2.

[0097] The second working mode may be a rebound mode. When the user presses and releases the trigger 2, the driving assembly 3 drives the second transmission end to rotate along the first circumferential direction or the second circumferential direction. The trigger 2 is moved relative to the base 1 under the action of the first transmission assembly 4, and the user feels the trigger 2 rebound to its initial position.

[0098] The second working mode may be a damping mode. When the user presses the trigger 2 to rotate, the second transmission end rotates along the first circumferential direction, and the driving assembly 3 drives the second transmission end to rotate along the second circumferential direction. The user needs to apply greater force to the trigger.

[0099] The force feedback device 100 may also have initialization wear. When the force feedback device 100 is powered on for the first time, the driving assembly 3 drives the second transmission end to rotate so that the trigger 2 is at a preset initial position relative to the base 1.

[0100] The present application also discloses an electronic device including the force feedback device 100 of any of the above embodiments. The force feedback device 100 of any of the above embodiments is applied to the electronic device to achieve tactile feedback such as damping, force release, vibration, and rebound through the trigger 2. The tactile feedback is accurately fed back to the user through the trigger 2, thereby improving the authenticity and accuracy of the tactile feedback.

[0101] The electronic devices disclosed in the embodiments of the present application may be smart phones, tablet computers, e-book readers, wearable devices (such as smart watches), electronic game consoles, and other devices. The embodiments of the present application do not limit the specific types of electronic devices.

[0102] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate, and the components shown as units may or may not be physical units, i.e., they may be located in one location or distributed across multiple network units. Some or all of the modules may be selected based on actual needs to achieve the objectives of the present embodiment. Persons of ordinary skill in the art will be able to understand and implement the present invention without inventive effort.

[0103] References herein to "one embodiment," "an embodiment," or "one or more embodiments" mean that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Furthermore, please note that instances of the phrase "in one embodiment" do not necessarily all refer to the same embodiment.

[0104] In the description provided herein, a large number of specific details are described. However, it is understood that the embodiments of the present application can be practiced without these specific details. In some instances, well-known methods, structures, and techniques are not shown in detail so as not to obscure the understanding of this description.

[0105] In the claims, any reference signs placed between brackets shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in the claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The present application may be implemented by means of hardware comprising several different elements and by means of a suitably programmed computer. In a unit claim enumerating several means, several of these means may be embodied by one and the same item of hardware. The use of the words first, second, and third etc. does not indicate any order. These words may be interpreted as names.

[0106] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A force feedback device, comprising: Pedestal; a trigger, rotatably connected to the base; A first transmission assembly, in transmission connection with the trigger; A second transmission assembly comprises a first gear, a transmission gear, a gear ring and a rotating bracket, wherein the transmission gear is meshed between the first gear and the gear ring, the gear ring is fixed to the base, the rotating bracket is connected to the transmission gear, and the rotating bracket can rotate relative to the first gear and the gear ring, one of the rotating bracket and the first gear is a first transmission end of the second transmission assembly, and the other is a second transmission end of the second transmission assembly, and the first transmission end is in transmission connection with the first transmission assembly; A driving assembly, drivingly connected to the second driving end, the driving assembly being capable of driving the second driving end to rotate; When the trigger rotates relative to the base, the trigger can drive the first transmission end to rotate via the first transmission assembly, and the drive assembly can drive the second transmission end to rotate to block or assist the first transmission end to rotate.

2. The force feedback device according to claim 1, wherein: The first transmission end is the rotating bracket, the second transmission end is the first gear, and the first transmission assembly, the rotating bracket, the first gear and the driving assembly are arranged in sequence along a first direction.

3. The force feedback device according to claim 2, wherein: The base has a first opening and a second opening arranged along the first direction, the second transmission assembly is arranged in the base, part of the rotating bracket extends out of the base through the first opening and is connected to the first transmission assembly, and part of the driving assembly extends into the base through the second opening and is connected to the first gear.

4. The force feedback device according to claim 3, wherein: The base includes a first cover body and a second cover body covering each other along the first direction, the first opening is arranged on the first cover body, the second opening is arranged on the second cover body, and the gear ring is fixed on the first cover body and / or the second cover body.

5. The force feedback device according to claim 4, wherein: The gear ring is fixed on the second cover body, the first cover body includes a cover plate and a side plate arranged on the cover plate, the second cover body is covered on the side plate, and the side plate surrounds the outer side of the gear ring.

6. The force feedback device according to claim 1, wherein: The rotating bracket includes a mounting plate, a first connecting rod and a second connecting rod, the first connecting rod and the second connecting rod are connected to both sides of the mounting plate along the first direction, the first connecting rod extends out of the base and is connected to the first transmission assembly, and the second connecting rod is connected to the transmission gear.

7. The force feedback device according to claim 1, wherein: There are multiple transmission gears, and the multiple transmission gears are arranged around the first gear. The rotating bracket is connected to the multiple transmission gears respectively.

8. The force feedback device according to claim 7, wherein: The gear ring includes a plurality of arc-shaped racks and stoppers arranged at both ends of the arc-shaped racks. The plurality of arc-shaped racks are arranged in sequence and at intervals around the first gear. The plurality of transmission gears are respectively meshed with the plurality of arc-shaped racks in a one-to-one correspondence.

9. The force feedback device according to claim 1, wherein: The first transmission assembly comprises: A swing arm, one end of which is rotatably connected to the trigger, and the trigger can drive the swing arm to rotate relative to the base; The second gear is connected to the first transmission end and meshes with the swing arm. The second gear, the second transmission assembly and the drive assembly are connected in sequence along the first direction. The second transmission assembly and the trigger are spaced apart along the second direction. The first direction and the second direction are intersected.

10. The force feedback device according to claim 1, wherein: The force feedback device further comprises: The detection mechanism comprises a first sensing member and a second sensing member, one of which is disposed on the first transmission assembly and the other is disposed on the base, and when the trigger rotates between the first position and the second position relative to the base, the first sensing member moves away from or approaches the second sensing member, and the first sensing member can generate relative position information of the first sensing member and the second sensing member; The control mechanism is electrically connected to the driving component and the first sensing element respectively, and the control mechanism can control the driving component to drive the second transmission end to rotate according to the relative position information.

11. The force feedback device according to claim 1, wherein: The force feedback device has at least one of a first working mode, a second working mode and a third working mode, When the force feedback device is in the first working mode, the driving assembly drives the second transmission end to rotate, so that the trigger reciprocates between the first position and the second position relative to the base; When the force feedback device is in the second working mode and the trigger rotates between the first position and the second position relative to the base, the trigger drives the first transmission end to rotate along the first circumferential direction through the first transmission assembly, and the drive assembly drives the second transmission end to rotate along the first circumferential direction; When the force feedback device is in the third working mode and the trigger rotates between the first position and the second position relative to the base, the trigger drives the first transmission end to rotate along the first circumferential direction through the first transmission assembly, and the drive assembly drives the second transmission end to rotate along the second circumferential direction; The first circumferential direction and the second circumferential direction are in opposite directions.

12. An electronic device comprising: A force feedback device as claimed in any one of claims 1 to 11.

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