TWM627695U - Balance frame trigger single arm conducting voicing mechanism for keyboard switch - Google Patents

Abstract

The new model discloses a single-arm conduction sounding mechanism triggered by a gimbal for a keyboard switch, comprising a gimbal and a conduction sounding component triggered by the gimbal to conduct conduction and sound, wherein the conduction sounding component includes an elastic body and At least one conducting portion, the elastic body has a conducting sounding elastic arm extending toward the upper side of the conducting portion, and the conducting sounding elastic arm is triggered and acted by the gimbal. The gimbal triggering single-arm conduction sounding mechanism applied to the keyboard switch provided by the new model can realize the conduction and sounding functions, the conduction and sounding action has high accuracy, the sensitivity of conduction and sounding can be improved, and the occupied space is small, which is conducive to realizing the function of the keyboard switch. Thinning.

Description

A gimbal-triggered single-arm conduction sounding mechanism applied to a keyboard switch

The new model relates to the field of keyboard switches, in particular to a gimbal trigger single-arm conduction sounding mechanism applied to keyboard switches.

At present, there are many keyboard switches with sound on the market, all of which are adding a sound-emitting structure to the traditional keyboard switch. This sound-emitting structure is separated from the conduction structure, and the two structures occupy a lot of space in the keyboard switch respectively, resulting in the keyboard switch being very difficult to use. Difficult to achieve thinning.

At the same time, the conduction structure and/or sound-emitting structure in the existing keyboard switch has low action accuracy, resulting in low trigger sensitivity of the conduction function and sound-emitting function, and is easy to wear and has a short life after long-term use.

In view of the above deficiencies, the purpose of this new model is to provide a gimbal-triggered single-arm conduction sounding mechanism applied to a keyboard switch, which can realize conduction and sounding functions, have high conduction and sounding action accuracy, can improve conduction and sounding sensitivity, and takes up space. Small, which is beneficial to realize the thinning of the keyboard switch.

The technical scheme adopted by this new model to achieve the above purpose is:

A gimbal-triggered single-arm conduction sounding mechanism applied to a keyboard switch, comprising a gimbal and a conduction sounding assembly triggered by the gimbal to conduct conduction and sound, wherein the conduction sounding assembly includes an elastic body and at least a conduction part, the elastic body has a conducting sounding elastic arm extending toward the upper part of the conducting part, and the conducting sounding elastic arm is triggered and acted by the gimbal.

As a further improvement of the present invention, the conduction sounding component includes two conduction parts, which are a first conduction part and a second conduction part, the first conduction part is In contact with the elastic body, the conducting sounding elastic arm extends above the second conducting portion.

As a further improvement of the present invention, the elastic body is a torsion spring.

As a further improvement of the present invention, the material of the torsion spring is copper.

As a further improvement of the present invention, the material of the torsion spring is phosphor bronze.

As a further improvement of the present invention, the conduction sounding assembly is installed in a mounting seat, a movable groove for the conduction sounding elastic arm to bounce is formed on the lower end surface of the mounting seat, and a downwardly protruding groove is provided in the movable groove. A mounting shaft for mounting the main body of the torsion spring is provided on the mounting seat with an opening for exposing the end of the conducting sounding elastic arm.

As a further improvement of the present invention, a guiding slope is formed on the inner wall of the movable groove close to the conducting sounding elastic arm.

As a further improvement of the present invention, the first conducting portion and the second conducting portion are both conductive sheets, the conducting sheet is disposed at the lower end of the movable slot and is buckled on the mounting seat, and the conducting sheet is electrically connected to the PCB board.

As a further improvement of the present invention, a pressing rod acting on the end of the conducting sounding elastic arm is formed on the balance frame.

As a further improvement of the present invention, a limit hook for limiting the position of the end of the conducting sounding elastic arm is formed on one side of the pressing rod.

As a further improvement of the present invention, an inclined surface is formed on the pressing rod.

As a further improvement of the present invention, the balance frame includes a balance rod A, a balance rod B, and a return tension spring connected between the balance rod A and the balance rod B, wherein the pressure rod is arranged on the balance rod A and the balance rod B. on the balance rod A or the balance rod B.

The beneficial effects of this new model are:

(1) By integrating the components that realize the conduction and sounding functions, the conduction and sounding functions can be realized by a single elastic arm (conducting sounding elastic arm) on the elastic body, which is similar to the existing conduction structure and sounding structure. than, greatly simplified structure, the volume of the entire component is reduced, and the occupied space is small, which is beneficial to realize the thinning of the keyboard switch.

(2) The balance frame is used to directly trigger the conduction and sound components to achieve two functions. One press can realize the conduction and sound functions, which not only has high action accuracy, but also improves the sensitivity of conduction and sound; moreover, compared with the existing keyboard switches, The structure such as the guide core is omitted, the occupation of the internal space is reduced, and the thinning of the keyboard switch is facilitated.

(3) The phosphor bronze torsion spring is used as the elastic body. The phosphor bronze torsion spring has the characteristics of large elasticity, large current, low resistance, high sensitivity and long life, which can significantly improve the sensitivity of conduction action and sounding action.

The above is an overview of the new technical solution, and the present invention will be further described below with reference to the accompanying drawings and specific embodiments.

1: Balance frame

10: Pedestal

11: Balance bar A

12: Balance bar B

13: Return tension spring

14: Pressure rod

141: Limit hook

142: Inclined surface

3: Turn on the sound component

30: keycap

31: The first conduction part

32: Second conduction part

33: Elastomer

33': Torsion spring

331: Turn on the sounding arm

4: Mounting seat

41: Activity slot

42: Install the shaft

43: Opening

44: Guide bevel

Figure 1 is an exploded view of the new type.

Figure 2 is a schematic diagram of the overall structure of the new type.

FIG. 3 is a schematic diagram of the structure of the balance bar B in the new model.

FIG. 4 is a schematic structural diagram of the new type of conductive sound-emitting component installed in the mounting seat.

FIG. 5 is a schematic diagram of the structure of the conductive sound-emitting component in the new type.

FIG. 6 is a schematic structural diagram of the novel middle torsion spring installed in the mounting seat.

FIG. 7 is a schematic structural diagram of the first conducting portion and the second conducting portion being mounted on the mounting seat in the new model.

FIG. 8 is a schematic diagram of the external structure of the novel conduction sounding mechanism installed in the keyboard switch.

In order to further illustrate the technical means and effects adopted by the present invention to achieve the predetermined purpose, the specific implementations of the present invention are described in detail below with reference to the accompanying drawings and preferred embodiments.

Please refer to FIGS. 1 and 2 , a new embodiment of the present invention provides a gimbal-triggered single-arm conduction sounding mechanism applied to a keyboard switch, comprising a gimbal 1 and a conduction sounding assembly 3 triggered by the gimbal 1 to conduct and emit sound , wherein the conducting sounding assembly 3 includes an elastic body 33 and at least one conducting portion, the elastic body 33 has a conducting sounding elastic arm 331 extending above the conducting portion, and the conducting sounding elastic arm 331 is triggered by the gimbal 1 action. When the gimbal 1 is pressed down, the gimbal 1 drives the conductive sounding elastic arm 331 of the elastic body 33 to move down, and after moving down for a period of time, there is a conduction between the conductive sounding elastic arm 331 and the conduction part. Then, the conductive sound-emitting elastic arm 331 bounces and knocks the gimbal 1 and/or other components to generate sound to realize the sound-emitting function. When the pressure on the gimbal 1 is released, the force of the gimbal 1 on the conductive sounding elastic arm 331 disappears. Therefore, the conductive sounding elastic arm 331 is moved up and reset by its own elastic restoring force, and the conduction signal disappears. Implement the disconnect function.

The single-arm conduction sounding mechanism triggered by the gimbal of this embodiment is applied to the keyboard switch. Each time the switch is pressed, the conduction function of the switch is realized, and the sounding function is also realized. Moreover, the movement accuracy of each component is high, and the conduction and sounding sensitivity can be improved. long life. At the same time, the conducting and sounding functions can be realized by a single conducting sounding elastic arm 331 on the elastic body 33, so that the volume of the entire component that realizes the conducting and sounding functions is reduced, and the occupied space is small, which is conducive to realizing the thinning of the keyboard switch.

In this embodiment, the conducting sounding elastic arm 331 is combined with the conducting portion to form various conducting components, such as:

(1) Mechanical conduction components;

(2) For light conduction components;

(3) Magnetic conduction components;

(4) Hall conduction components.

The following is an example of a mechanical conduction assembly composed of the conduction sounding elastic arm 331 and the conduction part. Specifically, as shown in FIG. 5 , the conduction sounding assembly 3 includes two conduction parts, which are the first conduction part respectively. 31 and the second conducting portion 32, the first conducting portion 31 is in contact with the elastic body 33 to achieve electrical connection, then the elastic The combination of the sexual body 33 and the first conducting portion 31 corresponds to a moving piece; the conducting sounding elastic arm 331 extends above the second conducting portion 32 , and the second conducting portion 32 corresponds to a static piece.

Specifically, the elastic body 33 is a torsion spring 33', and the material of the torsion spring 33' is copper. When the first conducting portion 31 is in contact with the torsion spring 33', the first conducting portion 31 and the torsion spring 33' are realized. the electrical connection of the two. Preferably, the material of the torsion spring 33' is phosphor bronze, which has the characteristics of high elasticity, large current, low resistance, high sensitivity, and long life. Using it as the torsion spring 33' can significantly improve the conduction and Sensitivity of vocal movements.

When the gimbal 1 is pressed down, the gimbal 1 drives the conducting sounding elastic arm 331 to contact the second conducting portion 32 , so that the elastic body 33 (torsion spring 33 ′) realizes the connection between the first conducting portion 31 and the second conducting portion 32 . The electrical conduction of the second conduction part 32 is to realize the conduction function; when the pressing on the gimbal 1 is released, the conduction sounding elastic arm 331 is moved up and reset by its own elastic restoring force, and the conduction sounding elastic arm 331 and the first When the two conducting parts 32 are separated, the disconnection function is realized.

As for the installation method of the conduction sounding assembly 3, as shown in FIG. 4 and FIG. 6 , in this embodiment, the conduction sounding component 3 is installed on a mounting seat 4, and a spring arm for the conduction sounding is formed on the lower end surface of the mounting seat 4. 331 is a movable groove 41 that bounces, and a mounting shaft 42 for the main body of the torsion spring 33' is protruded downward in the movable groove 41 to limit the position of the main body of the torsion spring 33'. 4 is provided with an opening 43 for exposing the end of the conducting sounding elastic arm 331, so as to facilitate the downward movement of the gimbal 1. When the gimbal 1 drives the conductive sounding elastic arm 331 to move down, the conductive sounding elastic arm 331 moves down in the movable slot 41 .

When the gimbal 1 drives the conductive sounding elastic arm 331 to move down, in order to make the conductive sounding elastic arm 331 detach from the gimbal 1 and bounce, as shown in FIG. 4 , in this embodiment, the movable groove 41 is close to the A guiding inclined surface 44 is formed on the inner wall of the conducting sounding elastic arm 331. When the gimbal 1 drives the conducting sounding elastic arm 331 to move down, the guiding inclined surface 44 guides the conducting sounding elastic arm 331 to a direction at the same time. move sideways, so that after the conduction sounding elastic arm 331 moves down to a certain stroke, the conduction sounding elastic arm 331 is in contact with the second conducting part 32, and then the conducting sounding elastic arm 331 is smoothly separated from the downward acting surface of the gimbal 1 on the conducting sounding elastic arm 331, so as to bounce and strike the gimbal 1, Mount 4 or other components make a sound.

In this embodiment, as shown in FIG. 7 , the first conducting portion 31 and the second conducting portion 32 are both conductive strips, and the conductive strips are disposed at the lower end of the movable slot 41 and fastened to the mounting seat 4 , and the conductive sheet is electrically connected to the PCB board.

In this embodiment, in order to press the conductive sounding elastic arm 331 more accurately, as shown in FIG. 2 and FIG. A pressure rod 14 of the part. When the gimbal 1 moves down, the pressing rod 14 directly acts on the conducting sounding elastic arm 331 to achieve more accurate pressing.

At the same time, in order to enable the pressure rod 14 to drive the conduction sounding elastic arm 331 to move downward until the conduction sounding elastic arm 331 can be in contact with the second conduction portion 32, as shown in FIG. A limiting hook 141 is formed on one side of the pressing rod 14 for limiting the end of the conducting sounding elastic arm 331 . When the pressure rod 14 moves down, the limit hook 141 limits the end of the conduction sounding bomb 331, so that the pressure rod 14 can drive the conduction sounding bomb 331 to move down until the conduction sound bomb After the arm 331 is in contact with the second conducting portion 32, it is separated from the pressing rod 14 and bounces, so as to achieve a knocking sound. In order to enable the conductive sounding elastic arm 331 to bounce smoothly after being separated from the pressure rod 14, as shown in FIG. Disengagement from the pressing rod 14 and the bouncing provide a space for taking place.

In this embodiment, the balance frame 1 includes a balance rod A 11 , a balance rod B 12 and a return tension spring 13 connected between the balance rod A 11 and the balance rod B 12 , wherein the The pressing rod 14 is arranged on the balance rod A 11 or the balance rod B 12 .

When the single-arm conduction sounding mechanism triggered by the gimbal of this embodiment is applied to the keyboard switch, the balance bar A 11 and the balance bar B 12 are rotatably mounted on the base 10 , and the mounting seat 4 is also arranged on the base 10 . On the base 10, as shown in FIG. 1 and As shown in FIG. 2 ; at the same time, the balance rod A 11 and the balance rod B 12 are rotatably connected to the keycap 30 , as shown in FIG. 8 . During the pressing process, the balance frame 1 plays a role of pressing and balancing, which is beneficial to improve the stability of the entire keyboard switch. Of course, the mounting seat 4 can also be directly disposed on the PCB board. When the key cap 30 is pressed downward, the balance rod A 11 and the balance rod B 12 can be driven to swing downward.

As another implementation of this embodiment, when the conducting sounding bomb arm 331 is combined with the conducting portion to form a pair of light conducting components, the conducting portion is composed of a light emitting tube and a light receiving tube, and when the conducting sounding bomb arm is connected 331 is provided with a light blocking plate. The gimbal 1 drives the light blocking plate on the conducting sounding bomb arm 331 to conduct or block the optical signal path between the light emitting tube and the light receiving tube, so as to realize the on and off function of the switch. For the specific working principle, please refer to the following prior art: application number 201510964805.2, patent name: modular photoelectric switch keyboard button.

As another implementation of this embodiment, when the conducting sounding elastic arm 331 is combined with the conducting portion to form a magnetic conduction assembly, the conducting portion is a magnetic inductor, and a magnet is arranged on the conducting sounding elastic arm 331 . The conductive sounding elastic arm 331 is driven by the gimbal 1 to control the distance between the magnet and the magnetic inductor, so as to realize the on and off functions of the switch. For the specific working principle, please refer to the following prior art: application number: 201510049623.2, patent name: a key and a keyboard.

As another implementation of this embodiment, when the conduction sounding elastic arm 331 is combined with the conduction part to form a Hall conduction assembly, the conduction part is a Hall element, and is arranged on the conduction sounding bomb arm 331 magnet. The conductive sounding elastic arm 331 is driven by the gimbal 1 to control the distance between the magnet and the Hall element, so as to realize the on and off functions of the switch. For the specific working principle, please refer to the following prior art: application number: 201520868417.X, patent name: a keyboard switch assembly.

The above descriptions are only preferred embodiments of the present invention, and do not limit the technical scope of the present invention. Therefore, the same or similar technical features as the above-mentioned embodiments of the present invention are adopted, and other structures obtained are all within the scope of the present invention. within the scope of protection.

1: Balance frame

10: Pedestal

11: Balance bar A

12: Balance bar B

13: Return tension spring

3: Turn on the sound component

31: The first conduction part

32: Second conduction part

33: Elastomer

33': Torsion spring

4: Mounting seat

Claims (12)

A gimbal-triggered single-arm conduction sounding mechanism applied to a keyboard switch, comprising a gimbal and a conduction sounding assembly triggered by the gimbal to conduct conduction and sound, wherein the conduction sounding assembly includes an elastic body and at least one conduction portion , the elastic body has a conducting sounding elastic arm extending toward the upper part of the conducting part, and the conducting sounding elastic arm is triggered and acted by the gimbal. The single-arm conduction sounding mechanism applied to the gimbal switch applied to the keyboard switch according to claim 1, wherein the conduction sounding assembly includes two conduction parts, which are a first conduction part and a second conduction part, the first conduction part and the second conduction part are respectively the first conduction part and the second conduction part. The conducting portion is in contact with the elastic body, and the conducting sounding elastic arm extends above the second conducting portion. The gimbal applied to a keyboard switch triggers a single-arm conduction sounding mechanism according to claim 2, wherein the elastic body is a torsion spring. The gimbal applied to a keyboard switch triggers a single-arm conduction sounding mechanism according to claim 3, wherein the material of the torsion spring is copper. The gimbal applied to a keyboard switch triggers a single-arm conduction sounding mechanism according to claim 4, wherein the material of the torsion spring is phosphor bronze. The single-arm conduction sounding mechanism triggered by a gimbal applied to a keyboard switch as claimed in claim 3, wherein the conduction sounding assembly is installed in a mounting seat, and an elastic arm for the conduction sounding is formed on the lower end surface of the mounting seat An elastic movable groove is protruded downward in the movable groove with an installation shaft for the main body of the torsion spring to be installed, and an opening for exposing the end of the conductive sounding elastic arm is opened on the installation seat. The single-arm conduction sounding mechanism triggered by the gimbal applied to the keyboard switch according to claim 6, wherein a guiding slope is formed on the inner wall of the movable slot close to the conduction sounding elastic arm. The gimbal trigger single-arm conduction sounding mechanism applied to a keyboard switch according to claim 6, wherein the first conduction part and the second conduction part are both The conductive sheet is arranged at the lower end of the movable slot and fastened to the mounting seat, and the conductive sheet is electrically connected to the PCB board. The gimbal trigger single-arm conduction sounding mechanism applied to a keyboard switch according to any one of claims 1 to 8, wherein a pressure acting on the end of the conduction sounding elastic arm is formed on the gimbal rod. The single-arm conduction sounding mechanism triggered by the gimbal applied to the keyboard switch as claimed in claim 9, wherein a limiter for limiting the end of the conduction sounding elastic arm is formed on one side of the pressure rod hook. The single-arm conduction sounding mechanism triggered by the gimbal applied to the keyboard switch according to claim 9, wherein an inclined surface is formed on the pressing rod. The single-arm conduction sounding mechanism triggered by the gimbal applied to a keyboard switch as claimed in claim 9, wherein the gimbal includes a balance rod A, a balance rod B, and a balance rod A and a balance rod B connected to the balance rod A and the balance rod B A return tension spring between them, wherein the pressure rod is set on the balance rod A or the balance rod B.

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