CN115480634A

CN115480634A - Force feedback structure and interaction device

Info

Publication number: CN115480634A
Application number: CN202110606097.0A
Authority: CN
Inventors: 朱跃光; 徐子开; 刘兆江
Original assignee: Goertek Inc
Current assignee: Goertek Inc
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2022-12-16

Abstract

The invention discloses a force feedback structure and interaction equipment, wherein the force feedback structure comprises a shell, a trigger assembly and at least two coil assemblies, wherein the shell is provided with a mounting groove and a through hole communicated with the mounting groove; the trigger assembly comprises a trigger which is rotatably connected to the shell and at least two first magnets which are arranged on the trigger, the trigger penetrates through the through hole and is partially positioned in the mounting groove; the at least two coil assemblies are arranged in the mounting groove and are respectively positioned on two sides of the trigger; the coil assembly is used for applying acting force to the first magnet when being electrified so that the first magnet drives the trigger to rotate. The interaction equipment comprises the force feedback structure, and the force feedback structure provided by the invention is simple in structure and excellent in force feedback effect.

Description

Force feedback structure and interaction device

Technical Field

The invention relates to the technical field of interactive terminals, in particular to a force feedback structure and interactive equipment.

Background

Corresponding force feedback is often required to be made in the interactive terminal equipment according to force application operations such as pressing and pushing of a user, the force feedback is conducted to the user, and the user can feel feedback effects such as vibration and shaking, so that interactive experience between the user and the equipment is improved.

In the related art, the force feedback structure in the interactive terminal device is generally complex, the loss of force conduction is large, and the force feedback effect is not good. The force feedback of the trigger on the handle is taken as an example, the motor is generally used as a power source in the handle, the motor conducts feedback force to the trigger through a plurality of transmission parts such as a worm wheel, a worm, a connecting rod and a push rod, the trigger conducts the feedback force to a user, and when the feedback force is conducted through the plurality of transmission parts, the structural complexity of a force feedback structure is increased, and the problems of high transmission loss, high motor output requirement and poor force feedback effect at the end of the trigger are also brought.

Disclosure of Invention

The invention mainly aims to provide a force feedback structure, aiming at simplifying the force feedback structure and improving the force feedback effect.

To achieve the above object, the present invention provides a force feedback structure, including:

the shell is provided with a mounting groove and a through port communicated with the mounting groove;

the trigger assembly comprises a trigger which is rotatably connected to the shell and at least two first magnets which are arranged on the trigger, the trigger penetrates through the through hole and is partially positioned in the mounting groove; and

the at least two coil assemblies are arranged in the mounting groove and are respectively positioned at two sides of the trigger; the coil assembly is used for applying acting force to the first magnet when being electrified so that the first magnet drives the trigger to rotate.

In an embodiment of the invention, at least two first magnets are arranged on the trigger at intervals along the moving direction of the trigger, and the adjacent sides of two adjacent first magnets have the same polarity.

In an embodiment of the invention, the force feedback structure further includes a second magnet, the second magnet is disposed on a side wall of the mounting groove facing the through opening, and is used for applying a repulsive force to the first magnet closest to the side wall.

In an embodiment of the present invention, at least two first magnets are disposed on the trigger at intervals along a moving direction of the trigger, a magnetizing direction of each first magnet is perpendicular to the moving direction of the trigger, and magnetizing directions of two adjacent first magnets are opposite to each other.

In an embodiment of the present invention, each of the coil assemblies includes a bobbin and a coil;

the two frameworks are accommodated in the mounting groove and are respectively positioned at two sides of the trigger; each the periphery wall of skeleton is equipped with the annular, each the coil is followed the circumference of annular diapire is around locating in the annular.

In an embodiment of the invention, two opposite side walls of the mounting groove are provided with limit posts;

each framework is provided with a limiting hole, each annular groove is arranged around one limiting hole, and each limiting column is inserted into one limiting hole.

In an embodiment of the present invention, the bottom wall of the ring groove includes a plurality of straight sections and a plurality of corner sections;

two ends of each straight section are respectively connected with the two turning sections, and two ends of each turning section are respectively connected with the two straight sections, so that the straight sections and the turning sections are connected into a ring.

In an embodiment of the invention, the trigger is provided with at least two spacing grooves arranged at intervals, and each first magnet is accommodated and limited in one of the spacing grooves.

In an embodiment of the invention, the trigger is provided with a stopper; the stopping portion is located on the outer side of the shell and used for being matched with the peripheral stopping portion of the through opening.

In addition, the invention also provides an interaction device, which comprises the force feedback structure.

The force feedback structure in the technical scheme of the invention comprises a shell, a trigger assembly and at least two coil assemblies, wherein the shell is provided with a mounting groove and a through port communicated with the mounting groove; the trigger assembly comprises a trigger which is rotatably connected to the shell and at least two first magnets which are arranged on the trigger, the trigger penetrates through the through hole and is partially positioned in the mounting groove; the at least two coil assemblies are arranged in the mounting groove and are respectively positioned at two sides of the trigger; the coil assembly is used for applying acting force to the first magnet when being electrified so that the first magnet drives the trigger to rotate. Therefore, when the coil assembly is electrified, the magnetic fields generated by the at least two first magnets exert ampere force on the coil assembly, when the coil assembly is fixedly installed along with the shell, the at least two first magnets drive the trigger to move towards the inner side or the outer side of the installation groove along the through opening under the driving of the reactive force of the ampere force exerted by the coil assembly, and force feedback is provided for a user through the trigger. The force feedback structure avoids the design of a plurality of intermediate transmission parts, avoids force transmission loss caused by the plurality of transmission parts, has a simple overall structure, is driven by the coil assembly, has quick force feedback action of the trigger, and is beneficial to improving the force feedback effect of the trigger.

Drawings

In order to more clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the embodiments or technical solutions of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic diagram of a force feedback structure according to the present invention;

FIG. 2 is a top view block diagram of the force feedback structure of FIG. 1;

FIG. 3 is a side view block diagram of the force feedback structure of FIG. 1;

FIG. 4 is an exploded view of the force feedback structure of FIG. 1;

fig. 5 is a partial structural schematic diagram of the force feedback structure in fig. 1.

The reference numbers illustrate:

the implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative positional relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present invention, unless otherwise explicitly stated or limited, the terms "connected", "fixed", and the like are to be understood broadly, for example, "fixed" may be fixedly connected, may be detachably connected, or may be integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. Throughout this document, "and/or" is meant to include three juxtaposed aspects, exemplified by "A and/or B," including either the A aspect, or the B aspect, or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The interactive equipment is generally internally provided with a force feedback structure, the force feedback structure in the related interactive equipment is often complex in structure, the power output by the power source is transmitted to the output end of the force feedback and often needs to pass through a plurality of transmission parts, more force transmission loss is caused, the force feedback effect output by the force feedback end is often reduced greatly, and the reduction of the output power and the energy consumption of the power source is not facilitated.

In view of the above technical problems, the present invention provides a force feedback structure, in which a coil assembly 5 is disposed in a mounting groove 11 of a housing 1, and at least two first magnets 22 are disposed on a trigger 21 movably disposed in a through hole 12 of the housing 1, so that when the coil assembly 5 is energized, at least two first magnets 22 can apply an ampere force to the coil assembly 5, and the coil assembly 5 also applies a reaction force of the ampere force to the first magnets 22, so that when the coil assembly 5 is fixed, the acting force applied to the first magnets 22 by the coil assembly 5 drives the first magnets 22 and drives the trigger 21 to move along the through hole 12 to the inside or outside of the mounting groove 11, thereby providing a force feedback output to a user through the trigger 21. The force feedback structure avoids the design of a plurality of intermediate transmission parts, avoids the force transmission loss caused by a plurality of transmission parts, has simple integral structure, is driven by the coil component 5, has quick force feedback action of the trigger 21, and is beneficial to improving the force feedback effect of the trigger 21.

Referring to fig. 1 and 2, in the embodiment of the present invention, the force feedback structure includes a housing 1, a trigger assembly 2, and at least two coil assemblies 5, wherein the housing 1 is provided with a mounting groove 11 and a through hole 12 communicating with the mounting groove 1; the trigger assembly 2 comprises a trigger 21 which is rotatably connected with the shell 1 and at least two first magnets 22 arranged on the trigger 21, wherein the trigger 21 penetrates through the through hole 12 and is partially positioned in the mounting groove 11; at least two coil assemblies 5 are arranged in the mounting groove 11 and are respectively positioned on two sides of the trigger 2; the coil assembly 5 is adapted to apply a force to the first magnet 22 when energized to cause the first magnet 22 to rotate the trigger. In the present embodiment, the housing 1 may be a magnetic conductive structure, such as a magnetic yoke; the opening 12 of the housing 1 can penetrate through the sidewall of the mounting groove 11, so that the opening 12 is communicated with the inner space of the mounting groove 11. The trigger 21 serves as an output end of the force feedback for providing the force feedback to the user to realize the interaction between the interaction device adopting the force feedback structure and the user. One end of trigger 21 can rotate with the one end of casing 1 and be connected, and the free end of trigger 21 movably wears to locate through opening 12, and when trigger 21 rotated, the free end of trigger 21 accessible through opening 12 removed to the mounting groove 11 or removed to the casing 1 outside through opening 12.

The at least two first magnets 22 may be spaced apart in a first direction, which may be the direction of movement of the trigger 2. Two coil pack 5 are along second direction interval distribution, and the second direction can be the axial direction when at least two coil pack 5 coaxial settings, and first direction and second direction nonparallel can guarantee so that the magnetic field that the magnetic circuit that two first magnets 22 constitute produced can exert ampere force effect to two coil pack 5, make trigger 21 can move rapidly under two coil pack 5's effect.

When the force feedback structure is used, the trigger 2 is pressed to move into the mounting groove 11, the electrified coil assembly 5 cuts magnetic fields generated by at least two first magnets 22 on the trigger 21, the first magnets 22 apply ampere force to the coil assembly 5, the coil assembly 5 applies reactive force of the ampere force to the first magnets 22, the first magnets 22 are forced to drive the trigger 2 to move towards the inner side or the outer side of the mounting groove 11, and the coil assembly 5 further cuts the magnetic fields generated by the first magnets 22 to keep a motion trend. The magnitude and direction of the acting force exerted by the coil assembly 5 on the first magnet 22 can be achieved by controlling the current in the coil assembly 5, for example, when a forward current is applied to the coil assembly 5, the acting force exerted by the coil assembly 5 on the first magnet 22 appears as driving the first magnet 22 to drive the trigger 2 to move towards the inner side of the mounting groove 11; when a reverse current is applied to the coil block 5, the force applied to the first magnet 22 by the coil block 5 is expressed as driving the first magnet 22 to move the trigger 2 to the outside of the mounting groove 11. By changing the magnitude of the current flowing into the coil assembly 5, the magnitude of the acting force exerted by the coil assembly 5 on the first magnet 22 can be correspondingly changed, so that the feedback force output by the trigger 21 to the user has a great possibility, and the force feedback form of the trigger 21 can be greatly enriched and the force feedback effect of the force feedback structure can be improved.

When the coil assembly in the force feedback structure in the embodiment is powered on, the magnetic field generated by the at least two first magnets 22 will apply an ampere force to the coil assembly 5, and when the coil assembly 5 is fixed along with the installation and fixation of the housing 1, the at least two first magnets 22 drive the trigger 2 to move towards the inner side or the outer side of the installation groove 11 along the through opening 12 under the driving of the reaction force of the ampere force applied by the coil assembly 5, so as to provide force feedback for a user through the trigger 2. The force feedback structure avoids the design of a plurality of intermediate transmission parts, avoids force transmission loss caused by the plurality of transmission parts, has a simple overall structure, is driven by the coil assembly 5, has quick force feedback action of the trigger 2, and is beneficial to improving the force feedback effect of the trigger 2.

In one embodiment of the present invention, as shown in fig. 1 and 2, at least two first magnets 22 are provided at intervals on the trigger 2 in the moving direction of the trigger 2, and the adjacent sides of the adjacent two first magnets 22 have the same polarity.

In the present embodiment, the magnetizing direction of each first magnet 22 is perpendicular to the axial direction of the coil assembly 5, when the first magnet 22 and the coil assembly 5 generate relative movement, and the coil assembly 5 is powered on, at least two first magnets 22 can apply an ampere force to the coil assembly 5, the coil assembly 5 applies a reaction force of the ampere force to the first magnets 22, and drives the first magnets 22 to drive the trigger 21 to move along the through opening 12 to the inside or the outside of the mounting groove 11, so as to provide a force feedback output to the user through the trigger 21.

Optionally, the force feedback structure further comprises a second magnet 3, the second magnet 3 is disposed on a side wall of the mounting groove 11 facing the through opening 12, and is used for applying a repulsive force to the first magnet 22 closest to the side wall. When the coil assembly 5 is energized with currents in different directions, the force applied by the coil assembly 5 to the first magnet 22 may be represented by a pushing force that pushes the first magnet 22 to the outside of the mounting groove, or a pulling force that pulls the first magnet 22 to the inside of the mounting groove. The above-mentioned pushing force or pulling force applied by the coil assembly 5 to the first magnet 22 will be combined with the repulsion force applied by the second magnet to the first magnet 22, so that the magnitude of the acting force applied to the first magnet 22 is the sum of the above-mentioned repulsion force and the above-mentioned pulling force, and the resultant force on the first magnet 22 shows the tendency of moving the first magnet 22 to the outside of the mounting groove; or, the acting force applied to the first magnet 22 is the sum of the repulsive force and the pulling force, and the resultant force on the first magnet 22 shows a tendency of moving the first magnet 22 to the outside of the installation slot; to enrich the magnitude and form of the force feedback output by the trigger, and after the trigger 2 is pressed to move into the mounting groove 11, the trigger 2 can be reset under the action of the coil assembly 5 and the second magnet 3.

In an embodiment of the present invention, as shown in fig. 1 and 2, at least two first magnets 22 are disposed on the trigger 2 at intervals along the moving direction of the trigger 2, the magnetizing direction of each first magnet 22 is perpendicular to the moving direction of the trigger 2, and the magnetizing directions of two adjacent first magnets 22 are opposite.

In this embodiment, the magnetizing direction of the first magnet 22 is perpendicular to the moving direction of the trigger 2, when the trigger 2 is pressed to move into the mounting groove 11, the coil assembly 5 perpendicularly cuts the magnetic induction line of the magnetic field generated by the first magnet 22, at this time, the coil assembly 5 can apply strong force to the first magnet 22, and drive the first magnet 22 to drive the trigger to move rapidly, so as to increase the force feedback speed of the trigger 22.

Optionally, the force feedback structure further comprises an elastic member (not shown) connecting the trigger 2 and a side wall of the mounting groove 11 facing the side of the through hole 12 and located between the trigger 2 and the side wall of the mounting groove 11, wherein when the coil assembly 2 is energized and applies a force to the first magnet 22 to move towards the inside of the mounting groove 11, the first magnet 22 drives the trigger 2 to move towards the inside of the mounting groove 11, and the elastic member is compressed; when the coil assembly 5 is de-energized, the force applied by the coil assembly 5 to the first magnet 22 disappears, and the elastic member elastically expands and pushes the trigger 2, so that the trigger 2 is reset. The elastic member may be a spring, an elastic sleeve, or the like, which is not limited herein.

In order to improve the reliability and stability of the connection and matching of the trigger 21 and the shell 1:

referring to fig. 1, 3 and 4, in an embodiment of the present invention, one end of the housing 1 is provided with two protrusions 13 spaced apart from each other, and one end of the trigger 21 is provided with a shaft hole 211; the force feedback structure further comprises a rotating shaft 4 penetrating through the shaft hole 211 and the two convex parts 13, and the trigger 21 is connected with the shell 1 in a rotating mode through the shaft hole 211 and the shaft hole of the rotating shaft 4 in a shaft matching mode.

In this embodiment, the protruding portion 13 is the protruding structure that casing 1 one end was extended, protruding portion 13 can be provided with the trompil that can supply pivot 4 to pass, two trompils are worn to locate respectively at the both ends of pivot 4, the middle part of pivot 4 passes the shaft hole 211 on the trigger 21, trigger 21 is located between two protruding portions 13, so can make trigger 21 when being pressed, the free end limit of trigger 21 is located opening 12, the free end accessible shaft hole 211 of trigger 21 and the hole axle cooperation of pivot 4 are to the mounting groove 11 internal rotation, thereby realize trigger 21 and casing 1 and be connected the cooperation reliably steadily.

When the trigger 21 rotates, one part of the trigger is always positioned in the mounting groove 11, the other part of the trigger is positioned outside the shell 1, the rotation angle of the trigger 21 relative to the shell 1 is defined as alpha, and alpha is more than or equal to 20 degrees and less than or equal to 30 degrees, so that the rotation angle of the trigger 21 is not too large, the acting force exerted by the coil assembly 5 on the first magnet 22 is not too small, and the reliable driving action of the coil assembly 5 on the first magnet 22 is maintained. In order to prevent the trigger 21 from sliding out of the mounting groove 11 through the through hole 12 completely during rotation, a limit protrusion may be provided at a portion of the trigger 21 located in the mounting groove 11, and when the trigger 21 moves to a certain extent to the outside of the housing 1, the limit protrusion abuts against a side wall of the mounting groove 11, thereby preventing the trigger 21 from sliding out of the mounting groove 11 by continuing rotation.

Alternatively, as shown in conjunction with fig. 4 and 5, each coil block 5 includes a bobbin 51 and a coil 52; each framework 51 is accommodated in the mounting groove 11 and is respectively positioned at two sides of the trigger 2; the outer peripheral wall of each bobbin 51 is provided with a ring groove 511, and each coil 52 is wound in the ring groove 511 along the circumferential direction of the bottom wall of the ring groove 511. The coil 52 may include multiple turns of wire, the multiple turns of wire are wound around the frame 51 and are limited in the annular groove 511, when current is conducted in the coil 52, each coil 52 becomes a closed conductive loop, when the trigger 2 and the coil 52 generate relative movement, the coil 52 cuts a magnetic induction line of a magnetic field generated by the first magnet 22, and meanwhile, an interaction force is generated between the coil 52 and the first magnet 22, when the coil 52 is fixed along with the installation and fixation of the housing, the action force applied by the coil 52 to the first magnet 22 drives the first magnet 22 to drive the trigger 2 to move towards the inside or the outside of the installation groove 11, so as to realize the force feedback output of the trigger 21.

To ensure the reliability of the installation and fixation of the framework 51 in the installation groove 11:

referring to fig. 4 and 5, in an embodiment of the present invention, the opposite side walls of the mounting groove 11 are provided with limiting posts 14; each framework 51 is provided with a limiting hole 512, each ring groove 511 is arranged around one limiting hole 512, and the two limiting columns 14 are respectively inserted into the two limiting holes 512.

In this embodiment, the two opposite side walls of the mounting groove 11 may be two side walls connected to the side wall of the mounting groove 11 facing the through opening 12, two spacing posts 14 are respectively disposed on the two opposite side walls of the mounting groove 11 and respectively located on the two opposite sides of the trigger 2, the two spacing posts 14 may be coaxially disposed, each spacing post 14 is in plugging fit with one spacing hole 512, each framework 51 is fixed in the mounting groove 11 through the plugging fit of the spacing hole 512 and the spacing post 14, reliable installation and fixation of the framework 51 are achieved, meanwhile, the coil 52 is limited in the annular groove 511 of the framework 51, and the coil 52 is fixed along with the fixation of the framework 51. Wherein, the lateral wall of spacing post 14 can be provided with many ribs, and a plurality of rib grooves can be opened to the lateral wall of spacing hole 512, and when spacing post 14 pegged graft with spacing hole 512, each rib joint in a rib inslot to can avoid spacing post 14 to rotate for spacing hole 512, promote the fixed reliability of skeleton 51 installation on spacing post 14.

To enable the electromagnetic field generated when the coil 52 is energized to provide a more reliable and stronger driving force to the two first magnets 22:

as shown in fig. 4 and 5, in an embodiment of the present invention, the bottom wall of the ring groove 511 includes a plurality of straight sections 5111 and a plurality of corner sections 5112; both ends of each straight section 5111 are respectively connected with two corner sections 5112, and both ends of each corner section 5112 are respectively connected with two straight sections 5111, so that a plurality of straight sections 5111 and a plurality of corner sections 5112 are connected into a ring.

In this embodiment, the bottom wall of the ring groove 511 is a non-circular ring structure, such as a ring structure with a triangular cross-sectional shape. The bottom wall of the ring groove 511 is formed by connecting a plurality of straight sections 5111 and corner sections 5112, the straight section 5111 is a part which extends straightly in the bottom wall of the ring groove 511, the corner section 5112 is a part which bends or bends the bottom wall of the ring groove 511, and the bottom wall of the ring groove 511 is formed by alternately arranging the straight sections 5111 and the corner sections 5112 according to the straight sections 5111, the corner sections 5112, the straight sections 5111 \8230andthe method \8230. The advantage of the design of the ring groove 511 is that after the coil 52 is wound along the circumferential direction of the bottom wall of the ring groove 511, the coil 52 is also a non-circular annular coil 52, and the coil 52 is more easily designed as: as the trigger 2 is rotated, the coil 52 cuts as much as possible of the magnetic induction lines generated by the first magnet 22. The first magnet 22 can thus be driven more quickly and accurately by the action of the two coils 52, while the trigger 21 is brought into a quick and accurate force feedback action.

To improve the reliability of the attachment of the first magnet 22 to the trigger 21:

referring to fig. 2 and 4, in an embodiment of the invention, the trigger 21 is provided with at least two spacing grooves 212 arranged at intervals, and each first magnet 22 is accommodated and limited in one of the spacing grooves 212.

In this embodiment, at least two position-limiting grooves 212 may be disposed at intervals along the first direction, the notch of each position-limiting groove 212 faces upward, each first magnet 22 is inserted into one position-limiting groove 212, and the outer peripheral wall of each first magnet 22 abuts against the inner peripheral wall of one position-limiting groove 212 for position limitation, so that the two first magnets 22 are reliably fixed on the trigger 21. Alternatively, in order to further improve the reliability of the fixation of the first magnetic body 22 in the retaining groove 212, the first magnetic body 22 may be adhered to the wall of the retaining groove 212 by glue.

To avoid the trigger 21 from sliding completely into the mounting slot 11:

referring to fig. 1 to 3, in an embodiment of the present invention, the trigger 21 is provided with a stop portion 213; stop 213 is located outside housing 1 for cooperating with a peripheral stop of through opening 12.

In this embodiment, the stopping portion 213 can be a protruding structure on one end of the trigger 21 far from the second magnet 3, when the trigger 21 is pressed and slides into the mounting groove 11 for a certain distance, the stopping portion 213 will abut against the periphery of the through opening 12, and stop the trigger 21 from moving into the mounting groove 11, so as to prevent the trigger 21 from sliding into the mounting groove 11 completely, and simultaneously prevent the first magnet 22 on the trigger 21 from moving to the rear side of the coil assembly 5, so that the repulsive force applied by the coil assembly 5 to the first magnet 22 cannot drive the first magnet 22 to drive the trigger 21 to move out of the mounting groove 11, and the trigger 21 cannot be reset.

The embodiment of the invention also provides the interaction equipment, which comprises the force feedback structure in the embodiment. The interactive device comprises a game handle and a body sensing device, and can provide corresponding feedback information according to the operation of a user, for example, when the interactive device is the game handle, the interactive device provides corresponding damping feedback on a key body according to the pressing operation of the user on the key. The force feedback structure in the interactive device can be used for providing different trigger 21 force feedback experiences according to game contents or game scenes, so that the force feedback forms are enriched, and the human-computer interaction experience is improved. The specific structure of the force feedback structure in the interactive device refers to the above-mentioned embodiments, and since the interactive device adopts all the technical solutions of all the above-mentioned embodiments, at least all the beneficial effects brought by the technical solutions of the above-mentioned embodiments are achieved, and no further description is given here.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A force feedback structure, comprising:

the shell is provided with a mounting groove and a through hole communicated with the mounting groove;

the trigger assembly comprises a trigger which is rotatably connected to the shell and at least two first magnets which are arranged on the trigger, the trigger penetrates through the through opening and is partially positioned in the mounting groove; and

2. The force feedback structure of claim 1, wherein at least two of said first magnets are spaced apart from said trigger in a direction of movement of said trigger, adjacent sides of adjacent two of said first magnets having the same polarity.

3. The force feedback structure of claim 2, further comprising a second magnet disposed on a side wall of said mounting slot facing said through opening for applying a repulsive force to a first magnet closest to said side wall.

4. The force feedback structure of claim 1, wherein at least two first magnets are spaced apart from each other along a moving direction of the trigger, and each first magnet has a magnetizing direction perpendicular to the moving direction of the trigger and the magnetizing directions of two adjacent first magnets are opposite to each other.

5. The force feedback structure of any one of claims 1 to 4, wherein each of said coil assemblies comprises a bobbin and a coil;

6. The force feedback structure of claim 5, wherein opposing sidewalls of said mounting slot are provided with retaining posts;

7. The force feedback structure of claim 5, wherein the bottom wall of the ring groove comprises a plurality of straight segments and a plurality of corner segments;

8. The force feedback structure of any one of claims 1 to 4, wherein said trigger is provided with at least two spacing grooves spaced apart, and each of said first magnets is received and retained in one of said spacing grooves.

9. The force feedback structure of any one of claims 1 to 4, wherein said trigger is provided with a stop; the stopping portion is located on the outer side of the shell and used for being matched with the peripheral stopping portion of the through opening.

10. An interaction device, characterized in that it comprises a force feedback structure according to any of claims 1 to 9.