WO2023070895A1

WO2023070895A1 - Force feedback device, electronic device, and electronic device system

Info

Publication number: WO2023070895A1
Application number: PCT/CN2021/138822
Authority: WO
Inventors: 崔金凤
Original assignee: 歌尔科技有限公司
Priority date: 2021-10-27
Filing date: 2021-12-16
Publication date: 2023-05-04
Also published as: CN113990696B; CN113990696A

Abstract

Provided in the present application are a force feedback device, an electronic device using the force feedback device, and an electronic device system. The force feedback device comprises: a base, a trigger and a volute spiral spring, wherein the trigger is rotatably connected to the base; and one end of the volute spiral spring is in transmission connection with the trigger, the other end of the volute spiral spring is arranged on the base, and the volute spiral spring is configured to block the trigger from being pressed down. According to the technical solution of the present application, a tactile feedback experience with a higher quality is provided for a user, so as to meet the requirements of the user for the adaptation of the sense and touch of relevant devices (such as various operating handles, toy guns, virtual reality devices, and augmented reality devices).

Description

Force feedback device, electronic device, and electronic device system

This application claims priority to a Chinese patent application filed with the China Patent Office on October 27, 2021, application number 202111258910.6, titled "Force Feedback Device, Electronic Device, and Electronic Device System," the entire contents of which are incorporated herein by reference. Applying.

technical field

The present application relates to the technical field of human-computer interaction, and in particular to a force feedback device, an electronic device using the force feedback device, and an electronic device system.

Background technique

With the continuous development of peripherals such as various operating handles, toy guns, virtual reality devices, and augmented reality devices in recent years, users have higher and higher sensory requirements when using peripherals. Because of this, how to meet the sensory requirements of users for related equipment (such as various operating handles, toy guns, virtual reality equipment, augmented reality equipment, etc.) has also become an urgent problem for developers to solve.

Contents of the invention

The main purpose of this application is to provide a force feedback device, an electronic device using the force feedback device, and an electronic device system, aiming to provide users with a better tactile feedback experience, so as to satisfy users' requirements for related devices (such as various types of operations) Handles, toy guns, virtual reality equipment, augmented reality equipment, etc.) and the requirements for adapting to the sense of touch.

In order to achieve the above purpose, a force feedback device proposed by the present application includes:

base;

a trigger rotatably connected to the base; and

A scroll spring, one end of the scroll spring is transmission-connected to the trigger, the other end of the scroll spring is arranged on the base, and the scroll spring is used to prevent the trigger from being pressed down.

In an embodiment of the present application, the force feedback device further includes a driving mechanism, the driving mechanism is arranged on the base, and is in transmission connection with the end of the scroll spring far away from the trigger, for driving the The scroll spring is deformed.

In an embodiment of the present application, the force feedback device further includes:

A first rotating shaft, the first rotating shaft is rotatably arranged on the base, and one end of the scroll spring away from the trigger is connected to the first rotating shaft; and

A first transmission mechanism, the first transmission mechanism is used for transmission connection between the driving mechanism and the first rotating shaft.

In an embodiment of the present application, the driving mechanism is a driving motor, and the first transmission mechanism includes:

a first driving gear, the first driving gear is sleeved on the output shaft of the driving motor to rotate under the driving of the driving motor;

The first driven gear, the first driven gear is sheathed on the first rotating shaft and meshed with the first driving gear so as to rotate under the driving of the first driving gear and drive the first driving gear A shaft turns.

In an embodiment of the present application, the force feedback device further includes a potentiometer, and the potentiometer is installed on the base for detecting the rotation angle of the first rotating shaft;

And/or, the force feedback device further includes a magnetic element and a Hall element, one of the Hall element and the magnetic element is arranged on the base, and one of the Hall element and the magnetic element The other is provided on the trigger, and the magnetic part is used to couple with the Hall element during the rotation of the trigger, so as to trigger the Hall element.

a second rotating shaft, the second rotating shaft is rotatably arranged on the base, and is transmission-connected to the trigger, and one end of the scroll spring close to the trigger is connected to the second rotating shaft;

The second transmission mechanism is used for transmission connection between the trigger and the second rotating shaft.

In an embodiment of the present application, the second transmission mechanism includes:

a second drive gear disposed on the trigger to rotate synchronously with the trigger; and

The second driven gear, the second driven gear is sleeved on the second rotating shaft and meshed with the second driving gear to drive the second rotating shaft to rotate under the drive of the second driving gear .

In an embodiment of the present application, the trigger includes a button and a connecting shaft, the button is sleeved on the connecting shaft, the second driving gear is a sector gear, and the sector gear is sleeved on the connecting shaft , one side of the sector gear abuts against the button.

In an embodiment of the present application, the outer wall of the connecting shaft is provided with a limiting groove, and the limiting groove is arranged around the circumference of the connecting shaft, and the sector gear is clamped in the limiting groove.

In an embodiment of the present application, the trigger is provided with a connecting portion, and one end of the scroll spring is connected to the connecting portion.

In an embodiment of the present application, a position-limiting protrusion is provided at an end of the connecting portion, and an ear hook is formed at one end of the scroll spring, and the ear hook is hooked on the position-limiting protrusion.

The present application also proposes an electronic device, the electronic device includes the force feedback device described in any one of the foregoing, and the force feedback device includes:

base;

a trigger rotatably connected to the base; and

A scroll spring, one end of the scroll spring is in transmission connection with the trigger, and the other end of the scroll spring is arranged on the base.

In the technical solution of the present application, by setting the scroll spring and connecting the two ends of the scroll spring to the trigger and the base respectively, when the user presses the trigger, the scroll spring deforms and produces an elastic force opposite to the direction of pressing the trigger to act on the trigger , so as to feed back the force to the user's finger through the trigger to generate a force feedback effect. Moreover, the elastic force of the volute spring changes accordingly when the trigger rotates at different angles, so that different degrees of force feedback can be generated to the user according to the degree of pressing during the process of pressing the trigger; in this way, the interaction with the user's fingers can be completed. Provide users with a better tactile feedback experience, so as to meet the user's requirements for sensory and tactile adaptation of related equipment (such as various operating handles, toy guns, virtual reality equipment, augmented reality equipment, etc.).

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to the structures shown in these drawings without creative effort.

Fig. 1 is a structural diagram of an embodiment of the force feedback device of the present application;

Fig. 2 is an exploded view of the force feedback device in Fig. 1;

Fig. 3 is a structural diagram of another embodiment of the force feedback device of the present application;

Fig. 4 is an exploded view of the force feedback device in Fig. 1;

Fig. 5 is a force feedback schematic diagram of a force feedback mode of the force feedback device of the present application;

Fig. 6 is a schematic diagram of force feedback in another force feedback mode of the force feedback device of the present application;

Fig. 7 is a schematic diagram of force feedback in another force feedback mode of the force feedback device of the present application;

FIG. 8 is a schematic diagram of a partial structure of an electronic device of the present application.

Explanation of reference numbers:

标号label	名称 name	标号label		名称name
10001000	电子设备 Electronic equipment	3030	驱动机构 Drive mechanism
100100	力反馈装置 force feedback device	3131	输出轴 Output shaft
1010	扳机 trigger	4040	第一转轴 first reel
1111	按键 button	4141	安装槽 mounting slot
111111	连接耳connecting ear	5050	第一传动机构 first transmission mechanism
112112	抵接部 contact part	5151	第一主动齿轮 first driving gear
113113	限位部 limit part	5252	第一从动齿轮first driven gear
114114	连接部 Connection	6060	电位器 potentiometer
11411141	限位凸起limit protrusion	6161	外部主体 external subject
1212	连接轴connecting shaft	6262	感应内圈Induction inner ring
121121	连接轴主体connecting shaft body	7070	霍尔元件 Hall element
122122	限位套筒Limiting sleeve	8080	第二转轴 Second shaft
123123	限位槽 Limit slot	9090	第二传动机构 Second transmission mechanism
2020	涡卷弹簧 scroll spring	9191	第二主动齿轮second driving gear
21twenty one	耳钩部 ear hook	9292	第二从动齿轮second driven gear

The realization, functional features and advantages of the present application will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present application are only used to explain the relationship between the components in a certain posture (as shown in the drawings). Relative positional relationship, movement conditions, etc., if the specific posture changes, the directional indication will also change accordingly.

In this application, unless otherwise clearly specified and limited, the terms "connection" and "fixation" should be interpreted in a broad sense, for example, "fixation" can be a fixed connection, a detachable connection, or an integral body; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be an internal communication between two elements or an interaction relationship between two elements, unless otherwise clearly defined. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application according to specific situations.

In addition, descriptions such as "first", "second" and so on in this application are only for description purposes, and should not be understood as indicating or implying their relative importance or implicitly indicating the number of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In addition, the technical solutions of the various embodiments can be combined with each other, but it must be based on the realization of those skilled in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist , nor within the scope of protection required by the present application.

Aiming at the technical problems reflected in the background technology, this application proposes a force feedback device 100, which aims to provide users with a better tactile feedback experience, so as to satisfy users' requirements for related equipment (such as various operating handles, toy guns, virtual reality, etc.) devices, augmented reality devices, etc.) sensory requirements.

The specific structure of the force feedback device 100 proposed in this application will be described in specific embodiments below:

Please refer to FIG. 1 or FIG. 3 , in some embodiments of the force feedback device 100 of the present application, the force feedback device 100 includes:

base (not shown);

a trigger 10, the trigger 10 is rotatably connected to the base; and

Scroll spring 20, one end of the scroll spring 20 is connected to the trigger 10, and the other end of the scroll spring 20 is arranged on the base, and the scroll spring 20 is used to prevent the trigger 10 from pressing down. pressure.

It can be understood that the force feedback device 100 is provided with a base as an installation base for carrying the trigger 10 and the scroll spring 20, wherein the base may be independent of the housing of the electronic device for installing the trigger 10 and the scroll spring 20 Components can also be acted by the housing of an electronic device.

At the same time, the force feedback device 100 is provided with a trigger 10 and a scroll spring 20. Commonly, the scroll spring 20 has a planar spiral structure and has an inner end and an outer end; Two planar helical structures are provided, and each planar helical structure has an inner end. At this time, the two ends of the scroll spring 20 are respectively connected to the trigger 10 and the base, which can be directly connected or indirectly connected, and the trigger 10 can be a button of various operating handles (such as a game handle, etc.), or a toy The trigger 10 of the gun can also be a button of a virtual reality device (referred to as a VR device), or a button of an augmented reality device (abbreviated as an AR device). The trigger 10 is used to be in contact with the user's finger to withstand the user's action force and feed back the reaction force to the user. Specifically: the trigger 10 has a connected button 11 and a connecting shaft 12, and the connecting shaft 12 of the trigger 10 is connected to the base in rotation. The button 11 of the trigger 10 can be rotated around the connecting shaft 12 to be displaced, so that the scroll spring 20 can be deformed, and an elastic force opposite to the pressing direction of the trigger 10 can be generated to act on the trigger 10, so that the trigger 10 can provide the user with The force of the finger feedback to complete the interaction with the user; it is not difficult to understand that the degree of deformation of the scroll spring 20 is affected by the degree to which the user presses the trigger 10, so that the elastic force generated by the scroll spring 20 changes accordingly, so that the trigger 10 Feedback different levels of force to the user during exercise, providing users with a better tactile feedback experience. At the same time, when the user releases the pressure on the trigger 10 , the scroll spring 20 can provide elastic restoring force to reset the trigger 10 .

Therefore, it can be understood that, in the technical solution of the present application, by setting the scroll spring 20 and connecting the two ends of the scroll spring 20 to the trigger 10 and the base respectively, when the user presses the trigger 10, the scroll spring 20 deforms and produces a The elastic force in the reverse direction of pressing the trigger 10 acts on the trigger 10 to feed back the force to the user's finger through the trigger 10 to generate a force feedback effect. Moreover, when the trigger 10 rotates at different angles, the elastic force of the scroll spring 20 also changes accordingly, so that different degrees of force feedback to the user can be generated according to the degree of pressing during the user's pressing of the trigger 10; in this way, the interaction with the user's finger can be completed. Interactive behavior provides users with a better tactile feedback experience, so as to meet the user's requirements for sensory and tactile adaptation of related devices (such as various operating handles, toy guns, virtual reality devices, augmented reality devices, etc.).

Please refer to FIG. 1 or FIG. 3, in some embodiments of the force feedback device 100 of the present application, the force feedback device 100 further includes a driving mechanism 30, the driving mechanism 30 is arranged on the base, and is connected to the scroll One end of the spring 20 away from the trigger 10 is connected in transmission, and is used to drive the spiral spring 20 to deform.

So set, the coil spring 20 can be driven to deform by the driving mechanism 30, which can be to make the coil spring 20 wind up or relax, thereby changing the initial compression state of the coil spring 20, and then changing the volume of the coil spring 20 according to different usage modes. Initial feedback force; in addition, it is also possible to continuously change the compression state of the scroll spring 20 in cooperation with the trigger 10 during the movement of the trigger 10, thereby changing the feedback force exerted by the scroll spring 20 during the rotation of the trigger 10, and finally realizing different forces The feedback status provides users with a better tactile feedback experience.

Referring to Fig. 5 to Fig. 7, the illustrations are schematic diagrams showing changes in different feedback modes of the rotation angle of the trigger 10 and the feedback force. In Fig. 5, the feedback force gradually increases with the increase of the rotation angle of the trigger 10. Fig. 6 shows that the feedback force increases The schematic diagram of the feedback force in which the rotation angle of the trigger 10 increases in a step state is shown in FIG. , the change state of the feedback force is not limited to the three change modes shown in the figure, and can be set according to different usage modes or game scenarios. It is not difficult to see that by setting the driving mechanism 30, the force feedback device 100 can realize force feedback simulation in various scenarios, and provide users with a better tactile feedback experience.

It should be noted that, in this embodiment, the driving mechanism 30 can be but not limited to a cylinder or a motor. When the scroll spring 20 has a single helical structure, it can be connected to the inner end of the scroll spring 20 or to the outer end. And, the transmission connection relation of drive mechanism 30 and scroll spring 20 one end can be but not limited to gear transmission, connecting rod transmission etc., only need according to the structure form of scroll spring 20 and the connection of scroll spring 20 and drive mechanism 30 The position can be set accordingly, and no specific limitation is made here.

Please refer to FIG. 1 , in some embodiments of the force feedback device 100 of the present application, the force feedback device 100 further includes:

The first rotating shaft 40, the first rotating shaft 40 is rotatably arranged on the base, the end of the scroll spring 20 away from the trigger 10 is connected to the first rotating shaft 40; and

The first transmission mechanism 50 is used for transmission connection between the driving mechanism 30 and the first rotating shaft 40 .

In the present application, the scroll spring 20 is provided, and one end thereof is in transmission connection with the drive mechanism 30 , and the other end is in transmission connection with the trigger 10 , so that the scroll spring 20 is deformed by turning the trigger 10 or by the drive mechanism 30 to form force feedback. Commonly, the scroll spring 20 is in a planar spiral structure, and the planar spiral structure has an inner end and an outer end. In this embodiment, by fixing the inner end of the scroll spring 20 to the first rotating shaft 40, the outer end is in transmission connection with the trigger 10 , at this time, the driving mechanism 30 drives the first rotating shaft 40 to rotate through the transmission relationship of the first transmission mechanism 50 , so that the scroll spring 20 is correspondingly deformed and its compressed state is changed. Wherein, the first transmission mechanism 50 may be, but not limited to, a connecting rod transmission mechanism, a gear transmission mechanism, a belt transmission mechanism, a chain transmission mechanism or a combination of two or more of the aforementioned transmission mechanisms, which are not limited here.

It should be noted that the setting form of the scroll spring 20 can have an inner end and an outer end as described above, and the outer end is in transmission connection with the trigger 10, so that when the trigger 10 rotates, the outer end is driven to rotate around the inner end so that the scroll spring 20 deformation. In some embodiments, the scroll spring 20 can also be a double helix structure, which has two planar helix structures arranged side by side, the outer ends of the two planar helix structures are connected to each other, and the inner end of one of the planar helix structures is connected to the above-mentioned first The rotating shaft 40 is connected, and the inner end of the other planar helical structure is connected with the second rotating shaft 80 as in the following embodiments, and the second rotating shaft 80 is drivingly connected to the trigger 10 to rotate when the trigger 10 moves so as to deform the scroll spring 20 .

Further, in some embodiments of the force feedback device 100 of the present application, a mounting groove 41 is opened on the side wall of the first rotating shaft 40, and the inner end of the scroll spring 20 is inserted into the mounting groove 41 so as to be compatible with the first rotating shaft 40. A rotating shaft 40 is connected and fixed so that when the first rotating shaft 40 rotates, it moves with the first rotating shaft 40 to change the compression state of the volute spring 20 . Moreover, the scroll spring 20 and the first rotating shaft 40 are connected by plugging, so as to improve the connection strength and improve the structural stability.

Please refer to FIG. 1 , in some embodiments of the force feedback device 100 of the present application, the driving mechanism 30 is a driving motor, and the first transmission mechanism 50 includes:

The first driving gear 51, the first driving gear 51 is sleeved on the output shaft 31 of the driving motor to rotate under the driving of the driving motor;

The first driven gear 52 , the first driven gear 52 is sheathed on the first rotating shaft 40 and meshed with the first driving gear 51 to rotate driven by the first driving gear 51 , And drive the first rotating shaft 40 to rotate.

This embodiment uses a gear transmission mechanism to connect the driving mechanism 30 and the first rotating shaft 40. It can be understood that when the driving motor is working, the output shaft 31 drives the first driving gear 51 to rotate, and the first driving gear 51 and the first driven gear The meshing relationship between 52 drives the first driven gear 52 to drive the first rotating shaft 40 to rotate, thereby deforming the scroll spring 20 . Compared with other transmission modes, the transmission precision of the gear transmission is high, and the rotation angle of the first rotating shaft 40 can be precisely controlled, thereby controlling the degree of deformation of the scroll spring 20; and the transmission efficiency of the gear transmission is high, so that the output torque of the driving motor can be reduced The loss in the transmission process ensures the torque transmission efficiency.

It should be noted that, in this embodiment, the first transmission mechanism 50 can also be a multi-stage gear transmission mechanism, that is, a plurality of transmission gears are set between the first driving gear 51 and the first driven gear 52, which will not be described here. limited.

Please refer to FIG. 1 , in some embodiments of the force feedback device 100 of the present application, the force feedback device 100 further includes a potentiometer 60 installed on the base for detecting the first rotating shaft 40 of rotation angle.

It can be understood that, in the present application, the driving mechanism 30 is used to drive the first rotating shaft 40 to rotate, so that the spiral spring 20 is deformed to change its compression state, so as to realize various force feedback modes. In this embodiment, a potentiometer 60 is set in the force feedback device 100. Commonly, both the potentiometer 60 and the driving mechanism 30 are electrically connected to the control system of the force feedback device 100. At this time, the potentiometer 60 monitors the first rotating shaft 40 The rotation angle is fed back to the control system, so that the control system can know the current deformation degree and compression state of the scroll spring 20, and then it is convenient for the control system to precisely control the operation of the drive mechanism 30, to achieve more accurate transmission action, and to realize the control of the scroll spring 20. The more precise deformation control of the spring 20 realizes a more precise force feedback output to the trigger 10 and provides users with a better tactile feedback experience. Simultaneously, through the setting of the potentiometer 60, the size of the elastic force produced by the scroll spring 20 can be judged by the rotation angle of the first rotating shaft 40, thereby controlling the running state of the driving motor, avoiding the problem of the stalling of the driving motor, and improving the speed of the driving motor. service life.

It should be noted that the potentiometer 60 in this embodiment is a rotary potentiometer 60, which has a relatively rotatable outer body 61 and an induction inner ring 62. At this time, the first rotating shaft 40 can be inserted into the induction inner ring 62 is fixedly connected with the induction inner ring 62, and when the first rotating shaft 40 rotates, the induction inner ring 62 can be driven to rotate relative to the outer body 61, thereby triggering the potentiometer 60 to realize the position monitoring of the first rotating shaft 40. Of course, in some embodiments, the driving mechanism 30 is a driving motor, and is connected to the first rotating shaft 40 through the first transmission mechanism 50. At this time, the output shaft 31 of the driving motor can be inserted into the induction inner ring 62 and connected with The induction inner ring 62 is fixedly connected, and when the output shaft 31 rotates, the induction inner ring 62 can be driven to rotate relative to the outer body 61, thereby triggering the potentiometer 60. By knowing the rotation angle of the output shaft 31 and feeding it back to the control system, the control system can According to the transmission ratio of the first transmission mechanism 50, such as the transmission ratio of the gear transmission mechanism, the rotation angle of the first rotating shaft 40 is calculated, so that the position monitoring of the first rotating shaft 40 can also be realized, so as to know the current deformation of the scroll spring 20 and Compressed state, which is convenient for the control system to precisely control the operation of the driving mechanism 30, realize more precise transmission action, realize more precise deformation control of the scroll spring 20, and realize more precise force feedback output to the trigger 10, thereby To provide users with a better tactile feedback experience.

Please refer to FIG. 1 , in some embodiments of the force feedback device 100 of the present application, the force feedback device 100 further includes a magnetic element (not shown) and a Hall element 70, and the Hall element 70 and the magnetic element One of them is set on the base, the other of the Hall element 70 and the magnetic part is set on the trigger 10, and the magnetic part is used to communicate with the trigger 10 during the rotation of the trigger 10. The Hall element 70 is coupled to trigger the Hall element 70 .

At this time, through the cooperation of the magnetic part and the Hall element 70, the rotation of the trigger 10 can be monitored, so that the control system can easily understand the current position information of the trigger 10, so that it can be used according to different use modes and position information of the trigger 10 Control the operation of the driving mechanism 30 to continuously change the compression state of the scroll spring 20 in cooperation with the trigger 10 during the movement of the trigger 10, thereby changing the feedback force during the rotation of the trigger 10, and finally realizing feedback states of different forces. Provide a better tactile feedback experience. At the same time, through the setting of the magnetic parts and the Hall element 70, the size of the elastic force generated by the scroll spring 20 at this time can be judged by the rotation angle of the trigger 10, thereby controlling the running state of the driving motor and avoiding the problem of the stalling of the driving motor , improve the service life of the drive motor.

In addition, it can be understood that the Hall element 70 is a Hall sensor; the magnetic part can be a material with magnetism itself, such as a permanent magnet material (specifically, it can be an alnico permanent magnet alloy, an iron chromium cobalt permanent magnet alloy , permanent magnet ferrite, rare earth permanent magnet material, composite permanent magnet material, etc.), can also be made of soft magnetic material (specifically, iron, iron alloy, nickel, nickel alloy, cobalt, cobalt alloy, etc.) with a coil.

In some embodiments, the trigger 10 is provided with a plurality of limiting parts 113, and the plurality of limiting parts 113 together form a limiting space for limiting and fixing one of the magnetic part and the Hall element 70, This prevents the magnetic part or the Hall element 70 fixed on the trigger 10 from moving, thereby improving the structural stability of the force feedback device 100 .

The second rotating shaft 80, the second rotating shaft 80 is rotatably arranged on the base, and is transmission connected to the trigger 10, and the end of the scroll spring 20 close to the trigger 10 is connected to the second rotating shaft 80;

The second transmission mechanism 90 is used for transmission connection between the trigger 10 and the second rotating shaft 80 .

In the present application, the scroll spring 20 is arranged so that one end of the scroll spring 20 is in transmission connection with the trigger 10 and the other end is set at the base, so as to drive the scroll spring 20 to deform to form force feedback during the rotation of the trigger 10 . Commonly, the scroll spring 20 has a planar spiral structure, and the planar spiral structure has an inner end and an outer end. In this embodiment, by fixing the inner end of the scroll spring 20 to the second rotating shaft 80 and the outer end on the base, it can be It is directly fixed on the base, or it can be connected to the driving mechanism 30 by transmission so as to be indirectly arranged on the base. At this time, when the trigger 10 rotates, the transmission relationship of the first transmission mechanism 50 drives the second shaft 80 to rotate, so that the scroll spring 20 is deformed accordingly to generate elastic force to form force feedback to the trigger 10 . Wherein, the second transmission mechanism 90 may be, but not limited to, a link transmission mechanism, a gear transmission mechanism, a belt transmission mechanism, a chain transmission mechanism or a combination of two or more of the aforementioned transmission mechanisms, which are not limited here.

It should be noted that the arrangement form of the scroll spring 20 may have an inner end and an outer end as described above, and the inner end is connected with the second rotating shaft 80 so that when the trigger 10 rotates, the second rotating shaft 80 and the inner end are driven to rotate so that The scroll spring 20 is deformed, and the outer end is directly connected to the base or indirectly connected to the base through the driving mechanism 30 , so as to be fixed relative to the inner end or rotate around the inner end driven by the driving mechanism 30 . In some embodiments, the scroll spring 20 can also be in a double helix structure, which has two planar helix structures arranged side by side, the outer ends of the two planar helix structures are connected to each other, and the force feedback device 100 is provided with a drive mechanism 30 and The first rotating shaft 40, at this time, the inner end of one of the planar helical structures is connected with the first rotating shaft 40, the inner end of the other planar helical structure is connected with the second rotating shaft 80, and the first rotating shaft 40 rotates or the second rotating shaft 80 rotates Time is obtained to deform the scroll spring 20, thereby changing its compressed state.

Furthermore, in some embodiments of the force feedback device 100 of the present application, the side wall of the second rotating shaft 80 is provided with a mounting groove 41, and the inner end of the scroll spring 20 is inserted into the mounting groove 41 to be compatible with the second rotating shaft 80. The two rotating shafts 80 are connected and fixed, so that when the second rotating shaft 80 rotates, it moves with the second rotating shaft 80 to change the compression state of the scroll spring 20 . Moreover, the scroll spring 20 and the second rotating shaft 80 are connected by plugging, so as to improve the connection strength and improve the structural stability.

Please refer to FIG. 1 , in some embodiments of the force feedback device 100 of the present application, the second transmission mechanism 90 includes:

The second driving gear 91, the second driving gear 91 is arranged on the trigger 10 to rotate synchronously with the trigger 10; and

The second driven gear 92, the second driven gear 92 is sheathed on the second rotating shaft 80, and meshes with the second driving gear 91 to drive the second driving gear 91 to drive the The second rotating shaft 80 rotates.

In this embodiment, a gear transmission mechanism is used to drive and connect the trigger 10 and the second shaft 80. Specifically, the second driving gear 91 is connected to the trigger 10, the second driven gear 92 is sleeved on the second shaft 80, and the first driving gear 51 meshes with the second driven gear 92; at this time, when the trigger 10 is pressed to rotate the trigger 10, the second driving gear 91 rotates together with the trigger 10, and drives the second driven gear 91 through the meshing relationship with the second driven gear 92. The rotating shaft 80 rotates to deform the scroll spring 20 to generate a feedback force. Compared with other transmission methods, the transmission efficiency of the gear transmission is high, which can reduce the loss of the torque input by the trigger 10 during the transmission process and ensure the torque transmission efficiency. When the user releases the pressure on the trigger 10 , the scroll spring 20 can provide elastic restoring force to reset the trigger 10 and the second transmission mechanism 90 .

It should be noted that, in this embodiment, the second transmission mechanism 90 can also be a multi-stage gear transmission mechanism, that is, a plurality of transmission gears are set between the second driving gear 91 and the second driven gear 92, which will not be described here. limited.

Please refer to FIG. 1 , in some embodiments of the force feedback device 100 of the present application, the trigger 10 includes a button 11 and a connecting shaft 12 , the button 11 is sleeved on the connecting shaft 12 , and the second driving gear 91 It is a sector gear, and the sector gear is sheathed on the connecting shaft 12 , and one side of the sector gear abuts against the button 11 .

It can be understood that since the rotation angle of the trigger 10 is limited, the second driving gear 91 can be set as a sector gear, so as to reduce the volume of the second driving gear 91 and also reduce the use of materials. At the same time, the sector gear is sheathed on the connection shaft 12 of the trigger 10, so that the sector gear can rotate around the connection shaft 12, and the side of the sector gear located on the front side of the pressing direction abuts against the button 11 of the trigger 10, at this time When the user presses the trigger 10, the pressing force is transmitted to the second driving gear 91 to drive the second driving gear 91 to rotate around the connecting shaft 12, and the second rotating shaft 80 is driven to rotate through the meshing relationship with the second driven gear 92, so that The deformation of the scroll spring 20 produces a feedback force. When the user releases the pressure on the trigger 10 , the scroll spring 20 provides an elastic restoring force to make the second rotating shaft 80 rotate, thereby driving the second driving gear 91 and the trigger 10 to reset through the second driven gear 92 . In some embodiments, the side of the key 11 facing the sector gear is protrudingly provided with an abutment portion 112, and the abutment portion 112 extends along the side of the sector gear and abuts against the side of the sector gear to increase the size of the key. The contact area between 11 and the sector gear improves the power transmission efficiency.

In some embodiments, the button 11 is provided with two opposite connection ears 111 , and the two connection ears 111 are provided with shaft holes, and the connection shaft 12 is passed through the two shaft holes to be rotatably connected with the button 11 .

Referring to FIG. 1 , in some embodiments of the force feedback device 100 of the present application, the outer wall of the connecting shaft 12 is provided with a limiting groove 123 , and the limiting groove 123 is arranged around the circumference of the connecting shaft 12 , The second driving gear 91 is engaged in the limiting groove 123 .

Such setting can improve the connection strength between the second driving gear 91 and the trigger 10, and prevent the second driving gear 91 from sliding along the axial direction of the connecting shaft 12, thereby improving the transmission stability between the trigger 10 and the second rotating shaft 80 .

Please refer to FIG. 2 , in some embodiments, the connecting shaft 12 includes a connecting shaft main body 121 and two limit sleeves 122 sleeved on the connecting shaft main body 121 , the two limit sleeves 122 are arranged at intervals, and are clamped on the button 11 Between the two connecting ears 111, the two limiting sleeves 122 and the side wall of the connecting shaft main body 121 jointly define a limiting groove 123, so that the second driving gear 91 is conveniently installed.

Referring to FIG. 3 , in some embodiments of the force feedback device 100 of the present application, the trigger 10 is provided with a connecting portion 114 , and one end of the scroll spring 20 is connected to the connecting portion 114 .

Commonly, the scroll spring 20 has a planar helical structure and has an inner end and an outer end. In this embodiment, the inner end of the scroll spring 20 is set on the base, which can be directly set on the base or indirectly set on the base through the driving mechanism 30. The trigger 10 includes a button 11, a connecting shaft 12 and a connecting part 114. The connecting shaft 12 Rotately connected with the base so that the button 11 and the connecting portion 114 are rotatably arranged relative to the base, the button 11 is used to be pressed and operated by the user, and the connecting portion 114 is connected with the outer end of the scroll spring 20, at this time, the user presses the button 11 to make When the trigger 10 rotates, the connecting portion 114 rotates around the connecting shaft 12 , so that the outer end of the scroll spring 20 rotates around the inner end, thereby deforming the scroll spring 20 and generating a feedback force applied to the trigger 10 .

Please refer to FIG. 3 and FIG. 4 , in some embodiments of the force feedback device 100 of the present application, the end of the connecting portion 114 is provided with a limiting protrusion 1141 , and one end of the scroll spring 20 forms an ear hook portion 21 , The ear hook portion 21 is hooked on the limiting protrusion 1141 .

In this embodiment, the end of the connecting portion 114 away from the button 11 is protruded with a limiting protrusion 1141, the outer end of the scroll spring 20 forms an ear hook 21, and the ear hook 21 is hooked on the limiting protrusion 1141, With such arrangement, the connection strength between the trigger 10 and the scroll spring 20 can be improved, and the structural stability of the force feedback device 100 can be improved.

Referring to FIG. 8 , the present application also proposes an electronic device 1000 , which includes the aforementioned force feedback device 100 . For the specific structure of the force feedback device 100 , refer to the aforementioned embodiments. Since the electronic device 1000 adopts all the technical solutions of all the above-mentioned embodiments, it at least has all the beneficial effects brought by all the technical solutions of all the above-mentioned embodiments, which will not be repeated here.

It can be understood that the electronic device 1000 may be various types of operating handles (such as game pads, etc.), virtual reality devices, augmented reality devices, and the like.

The present application also proposes an electronic equipment system, which includes the aforementioned electronic equipment to control the electronic equipment system, such as a system composed of a game controller and a game console or a VR controller and a VR head-mounted device, etc. . For the specific structure of the force feedback device, refer to the foregoing embodiments. Since this electronic equipment system adopts all the technical solutions of all the above-mentioned embodiments, it at least has all the beneficial effects brought by all the technical solutions of all the above-mentioned embodiments, and will not repeat them here.

The above is only a preferred embodiment of the application, and does not limit the patent scope of the application. Under the application concept of the application, the equivalent structural transformation made by using the description of the application and the contents of the accompanying drawings, or direct/indirect use All other relevant technical fields are included in the patent protection scope of the present application.

Claims

A force feedback device, characterized in that it comprises:

base;

a trigger rotatably connected to the base; and

A scroll spring, one end of the scroll spring is transmission-connected to the trigger, the other end of the scroll spring is arranged on the base, and the scroll spring is used to prevent the trigger from being pressed down.
The force feedback device according to claim 1, characterized in that, the force feedback device further comprises a driving mechanism, the driving mechanism is arranged on the base, and drives with the end of the scroll spring far away from the trigger connection for driving deformation of the scroll spring.
The force feedback device according to claim 2, wherein the force feedback device further comprises:

a first rotating shaft, the first rotating shaft is rotatably arranged on the base, and the end of the scroll spring away from the trigger is connected to the first rotating shaft; and

A first transmission mechanism, the first transmission mechanism is used for transmission connection between the driving mechanism and the first rotating shaft.
The force feedback device according to claim 3, wherein the driving mechanism is a driving motor, and the first transmission mechanism comprises:

a first driving gear, the first driving gear is sleeved on the output shaft of the driving motor to rotate under the driving of the driving motor;

The first driven gear, the first driven gear is sheathed on the first rotating shaft and meshed with the first driving gear so as to rotate under the driving of the first driving gear and drive the first driving gear A shaft turns.
The force feedback device according to claim 3, wherein the force feedback device further comprises a potentiometer, and the potentiometer is installed on the base for detecting the rotation angle of the first rotating shaft;

And/or, the force feedback device further includes a magnetic element and a Hall element, one of the Hall element and the magnetic element is arranged on the base, and one of the Hall element and the magnetic element The other is provided on the trigger, and the magnetic part is used to couple with the Hall element during the rotation of the trigger, so as to trigger the Hall element.
The force feedback device according to any one of claims 1 to 5, wherein the force feedback device further comprises:

a second rotating shaft, the second rotating shaft is rotatably arranged on the base, and is transmission-connected to the trigger, and one end of the scroll spring close to the trigger is connected to the second rotating shaft;

The second transmission mechanism is used for transmission connection between the trigger and the second rotating shaft.
The force feedback device according to claim 6, wherein the second transmission mechanism comprises:

a second drive gear disposed on the trigger to rotate synchronously with the trigger; and

The second driven gear, the second driven gear is sleeved on the second rotating shaft and meshed with the second driving gear to drive the second rotating shaft to rotate under the drive of the second driving gear .
The force feedback device according to claim 7, wherein the trigger includes a button and a connecting shaft, the button is sleeved on the connecting shaft, the second driving gear is a sector gear, and the sector gear sleeve Located on the connecting shaft, one side of the sector gear abuts against the button.
The force feedback device according to claim 8, wherein the outer wall of the connecting shaft is provided with a limiting groove, the limiting groove is arranged around the circumference of the connecting shaft, and the sector gear is clamped on The limit slot.
The force feedback device according to any one of claims 1 to 5, wherein the trigger is provided with a connecting portion, and one end of the scroll spring is connected to the connecting portion.
The force feedback device according to claim 10, wherein a limit protrusion is provided at the end of the connecting part, and an ear hook is formed at one end of the scroll spring, and the ear hook is hooked on the Limit protrusion.
An electronic device, characterized by comprising the force feedback device described in any one of claims 1 to 11.
An electronic equipment system, characterized by comprising the electronic equipment according to claim 12, so as to realize the control of the electronic equipment system.