CN113299513A

CN113299513A - Rotary key and electronic product

Info

Publication number: CN113299513A
Application number: CN202110488850.0A
Authority: CN
Inventors: 王忠双; 庄宣华
Original assignee: Goertek Inc
Current assignee: Goertek Inc
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2021-08-24
Anticipated expiration: 2041-04-28
Also published as: CN113299513B

Abstract

The invention belongs to the technical field of electronic products, and particularly relates to a rotary key and an electronic product; the rotary key comprises a base, a keycap rotatably arranged on the base, a driven piece fixed on the keycap and coaxially arranged with the keycap, and a rotation driving mechanism for driving the driven piece to rotate, wherein the rotation driving mechanism provides force feedback for the keycap through the driven piece; the electronic product comprises a shell, a main board and a rotary key, wherein the base is fixed in a cavity defined by the shell or is in an integrated structure with the shell, and the rotary driving mechanism is electrically connected with the main board. The user realizes the function of swivelling key through rotating the key cap, and rotation actuating mechanism can produce the rotation drive power of effect on the key cap, and the user can experience force feedback when rotating the key cap to can realize adjustable force feedback through the cooperation of drive structure and follower, solve current swivelling key and do not possess force feedback's problem when using, not only can adjust the size of force feedback, can improve user experience moreover and feel.

Description

Rotary key and electronic product

Technical Field

The invention belongs to the technical field of electronic products, and particularly relates to a rotary key and an electronic product.

Background

With the development of technology, a rotary key is provided on many electronic products (such as game pads) to implement functions such as direction control and volume adjustment. Because the installed rotary key does not have the force feedback function when in use, the requirement of a user cannot be met, and the user experience is poor.

With the development of the technology, many electronic products (such as game pads) are provided with operation and control components such as a trigger key and a rotary key for realizing functions such as direction control and volume adjustment. In order to meet the user requirements and improve experience feeling, research and development personnel design a force feedback structure aiming at a trigger key, but the force feedback function is not realized aiming at a rotary key, and the force feedback structure of the trigger key cannot be applied to the rotary key because the trigger key and the rotary key are different in structure.

Disclosure of Invention

The invention aims to provide a rotary key and an electronic product, and aims to solve the problem that the conventional rotary key does not have force feedback when in use, so that the force feedback can be adjusted, and the user experience can be improved.

The invention discloses a rotary key which comprises a base, a keycap rotatably mounted on the base, a driven piece fixed on the keycap and coaxially arranged with the keycap, and a rotation driving mechanism for driving the driven piece to rotate, wherein the rotation driving mechanism provides force feedback for the keycap through the driven piece.

As an improvement, the driven member is an arc-shaped rack structure, and the rack structure is arranged along the circumferential direction of the rotation axis of the keycap; and a driving gear meshed with the rack structure is fixed on the output part of the rotation driving mechanism.

As an improvement, the rack structure is arranged on the lower side face of the keycap close to one side of the base, and the rack structure comprises a plurality of transmission teeth arranged at intervals along the circumferential direction of the rotation axis of the keycap.

As an improvement, the keycap comprises a cover plate and a touch pad, and the touch pad is fixed on the lower side surface of one side of the cover plate close to the base or the upper side surface of one side far away from the base; the follower is disposed on the cover plate.

As an improvement, the key cap is provided with an installation shaft which is coaxial with the rotation axis of the key cap, and the installation shaft is rotatably installed on the base.

As an improvement, a torsion piece is arranged between the keycap and the base.

As an improvement, the torsion piece is a torsion spring, one torsion arm of the torsion piece is fixed on the keycap, and the other torsion arm of the torsion piece is fixed on the base.

As an improvement, the rotary key further comprises a detection structure for detecting a rotation parameter of the key cap.

The invention also discloses an electronic product which comprises a shell, a main board and the rotary key, wherein the main board and the rotary key are arranged in the cavity defined by the shell, the base is fixed in the cavity defined by the shell or the base and the shell are of an integrated structure, and the rotary driving mechanism is respectively electrically connected with the main board.

As an improvement, the electronic product is a game handle.

Due to the adoption of the technical scheme, the rotary key comprises a base, a keycap rotatably arranged on the base, a driven piece fixed on the keycap and coaxially arranged with the keycap, and a rotation driving mechanism for driving the driven piece to rotate, wherein the rotation driving mechanism provides force feedback for the keycap through the driven piece; the electronic product comprises a shell, a mainboard and a rotary key, wherein the mainboard and the rotary key are arranged in a cavity defined by the shell, the base is fixed in the cavity defined by the shell or the base and the shell are of an integrated structure, and the rotary driving mechanism is electrically connected with the mainboard. The key cap is rotatably arranged on the base, so that a user can realize the function of a rotary key by rotating the key cap, the rotary driving mechanism can drive the driven piece to rotate correspondingly, and accordingly, rotary driving force acting on the key cap is generated, the user can feel force feedback when rotating the key cap, and adjustable force feedback can be realized by matching the driving structure with the driven piece.

Drawings

FIG. 1 is a schematic perspective view of a rotary key according to an embodiment of the present invention;

FIG. 2 is an exploded view of a rotary key according to an embodiment of the present invention;

11, a base, 12, a base limiting rod, 21, a cover plate, 22, a pressure plate limiting rod, 23, a rack structure, 24, a mounting shaft, 31, a touch pad, 41, a torsion piece, 51, a motor, 52, a driving gear, 53, a detection structure, 61 and a main board.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Fig. 1 and 2 are schematic structural views of a rotary key according to an embodiment of the present invention, where fig. 1 shows a schematic perspective structural view of the rotary key according to the present invention, and fig. 2 shows a schematic exploded structural view of the rotary key according to the present invention. For the sake of convenience, only the parts relevant to the present invention are shown in the drawings.

As can be seen from fig. 1 and 2, the rotary key includes a base 11, a key cap rotatably mounted on the base 11, a driven member fixed on the key cap and coaxially disposed with the key cap, and a rotation driving mechanism for driving the driven member to rotate, wherein the rotation driving mechanism provides force feedback to the key cap through the driven member.

Can realize the function of turnkey through rotating the key cap, it can drive the follower and carry out corresponding rotation to rotate actuating mechanism, thereby produce the rotation drive power of acting on the key cap, the user can experience force feedback when rotating the key cap, and can realize adjustable force feedback through the cooperation of drive structure and follower, the problem that current turnkey does not possess force feedback when using has been solved, not only can adjust the size of force feedback, and can improve user experience and feel.

In the embodiment of the present invention, the follower is an arc-shaped rack structure 23, and the rack structure 23 is arranged along the circumferential direction of the rotation axis of the keycap. The rotation driving mechanism is a motor 51, a driving gear 52 meshed with the rack structure 23 is fixed on a rotating shaft of the motor 51, the rotating shaft of the motor 51 outputs a force tangential to the rotation direction of the rack structure 23 through the driving gear 52, then a feedback force opposite to the rotation direction of the keycap is realized through the rack structure 23 meshed with the driving gear 52, and the feedback force can be adjusted through controlling the rotation direction and the speed of the motor 51. The motor 51 can be fixed on the base 11, of course, the motor 51 can also be fixedly installed in a cavity surrounded by a housing of an electronic product, generally, the motor 51 is a direct current motor, and damage to the motor 51 caused by overlarge operation force of a user can be avoided.

Specifically speaking, rack structure 23 sets up on the downside that the key cap is close to base 11 one side, and this rack structure 23 includes a plurality of driving gears that the circumference interval along the axis of rotation of key cap set up, is convenient for hide rack structure 23, drive gear 52 and motor, can improve the appearance quality. Of course, the rack structure 23 may be disposed on the upper side of the key cap away from the base 11, or on the peripheral side of the key cap.

In the embodiment of the present invention, the keycap includes a cover plate 21 and a touch pad 31, and can be controlled by two ways, i.e., physical rotation and touch; the follower is provided on the cover plate 21.

In the embodiment of the present invention, the key cap is provided with a mounting shaft 24 coaxially arranged with the rotation axis of the key cap, the mounting shaft 24 is rotatably mounted on the base 11, and specifically, the mounting shaft 24 is fixedly connected with the cover plate 21.

In the embodiment of the present invention, a torsion element 41 is disposed between the key cap and the base 11, and the torsion element 41 is mainly used for providing a reset force after the key cap rotates, and also can provide a certain force feedback.

Specifically, the torsion member 41 is sleeved on the mounting shaft 24. The torsion member 41 is typically a torsion spring, one torsion arm of which is fixed to the cover 21 and the other torsion arm of which is fixed to the base 11. For fixing convenience, two pressing plate limiting rods 22 are arranged at the side edge of the cover plate 21 at intervals, two base limiting rods 12 are arranged on the base 11 at intervals, and two torsion arms of the torsion spring are respectively inserted between the two pressing plate limiting rods 22 and between the two base limiting rods 12. Of course, the torsion element 41 may be a coil spring which is sleeved on the mounting shaft 24, and the inner ring side of the coil spring is fixedly connected with the mounting shaft 24 and the outer ring side is fixedly connected with the base 11.

In the embodiment of the present invention, the device further includes a detection structure 53 for detecting a rotation parameter of the key cap, wherein the detection structure 53 is a potentiometer, an angle detection sensor, or the like, and is used for detecting parameters such as a rotation angle, a rotation speed, or the like of the mounting shaft 24 or the key cap.

Usually, the detecting structure 53 is fixedly mounted on the key cap, the mounting shaft 24 or the base 11, which can save space, but of course, the detecting structure 53 may be fixedly mounted at other positions of the electronic product.

In some embodiments, the detecting structure 53 may also be in the form of several touch switches disposed at intervals along the circumference of the keycap.

The invention also relates to an electronic product, which comprises a shell, a main board 61 arranged in a cavity defined by the shell and the rotary key, wherein the base 11 is fixed in the cavity defined by the shell or the base 11 and the shell are of an integrated structure, and the detection structure 53 and the rotation driving mechanism are respectively and electrically connected with the main board 61. Specifically, the shell is provided with a mounting hole, and the keycap is arranged at the mounting hole.

Because the key cap is rotatably arranged on the base 11, a user can realize the functions of a rotary key by rotating the key cap, such as direction control, volume adjustment, a steering wheel simulating racing games and the like in the games, the rotary driving mechanism can drive the driven piece to rotate correspondingly according to a control signal sent by the main board 61 of the electronic product, so that rotary driving force acting on the key cap is generated, the user can feel force feedback when rotating the key cap, and adjustable force feedback can be realized by matching the driving structure with the driven piece.

In the embodiment of the invention, the electronic product is a game handle.

The above description is only exemplary of the present invention and should not be taken as limiting the invention, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a rotary key, includes the base, rotates to be installed keycap on the base, its characterized in that still including fix on the keycap and with the coaxial follower that sets up of keycap, be used for the drive follower pivoted rotation driving mechanism, rotation driving mechanism passes through the follower gives the keycap provides force feedback.

2. A rotary key according to claim 1, wherein the follower is an arc shaped rack structure and the rack structure is arranged circumferentially to the axis of rotation of the key cap; and a driving gear meshed with the rack structure is fixed on the output part of the rotation driving mechanism.

3. A rotary key according to claim 2, wherein the rack structure is provided on the underside of the keycap on the side thereof adjacent the base, the rack structure comprising a plurality of driving teeth arranged at intervals circumferentially along the axis of rotation of the keycap.

4. A rotary key according to claim 1, wherein the key cap comprises a cover plate, a touch pad fixed to a lower side of the cover plate on a side close to the base or an upper side of the cover plate on a side remote from the base; the follower is disposed on the cover plate.

5. A rotary key according to claim 1, wherein a mounting shaft is provided on the key cap coaxially with the axis of rotation of the key cap, the mounting shaft being rotatably mounted on the base.

6. A rotary key according to any of claims 1 to 5, wherein a torsion member is provided between the key cap and the base.

7. A rotary key according to claim 6, wherein the torsion member is a torsion spring having one torsion arm fixed to the key cap and the other torsion arm fixed to the base.

8. The rotary key of claim 1, further comprising a sensing structure for sensing a rotational parameter of the keycap.

9. An electronic product, comprising a housing, a main board disposed in a cavity defined by the housing, and the rotary key according to any one of claims 1 to 8, wherein the base is fixed in the cavity defined by the housing or the base and the housing are integrated, and the rotation driving mechanism is electrically connected to the main board.

10. The electronic product of claim 9, wherein the electronic product is a gamepad.