KR20220001307U - Keyboard switch having pressure balancing effect - Google Patents

Abstract

The present invention discloses a button switch having a pressing balance action, which includes a base and a keycap installed above the base, and further includes a pressing balance assembly installed between the base and the keycap, wherein the pressing balance assembly is the base and a balance frame A connected between the and the keycap, a balance frame B connected between the base and the keycap, and an elastic body connected between the balance frame A and the balance frame B. The button switch provided by the present invention has excellent press balance and stability, significantly increases the press stroke, and improves the press feel.

Description

BUTTON SWITCH WITH PUSH BALANCING EFFECT

The present invention relates to a button switch, and more particularly to a button switch having a push-balancing action.

Various operations of existing devices require the use of a button switch as an input means. The good or bad of a button switch has a great impact on the experience of the input device, so it guarantees excellent feel and service life, while also increasing the need for stability in the process of use. It has to be high so that corners don't get stuck, and while all of these technical challenges are being improved, there are still areas that are not ideal.

Existing button switches do not have a close internal structure due to structural limitations during the pressing process, especially when the corners are pressed, and the interaction is not cooperative. Occurs often and is not smooth to use and affects normal use and press feel.

In response to the above shortcomings, an object of the present invention is to provide a button switch having excellent press balance and stability, and a press balance action that significantly increases the press stroke and improves the press feel.

The means of solving the problems used by the present invention to achieve the above object are as follows.

A button switch having a pressing balance action comprising a base and a keycap installed above the base, the button switch further comprising a pressing balance assembly installed between the base and the keycap, wherein the pressing balance assembly is connected between the base and the keycap It is characterized in that it comprises a flat frame A which is formed, a flat frame B connected between the base and the keycap, and an elastic body connected between the flat frame A and the flat frame B.

As an improvement on the present invention, the elastic body is a tension spring.

As an improvement on the present invention, there is no connection between the balanced frame A and the balanced frame B.

As an improvement on the present invention, the balanced frame A and the balanced frame B are connected using a flexible connection method.

As an improvement on the present invention, the flat frame A and the flat frame B are connected using a soft adhesive.

As an improvement on the present invention, the balanced frame A and the balanced frame B together form a U-shaped structure, and the U-shaped open end of the balanced frame A and the U-shaped open end of the balanced frame B are installed correspondingly; The balanced frame A and the balanced frame B have the same structure, and each includes a horizontal balance portion and a longitudinal balance portion connected to both ends of the horizontal balance portion, respectively.

As an improvement on the present invention, at least one insertion block is installed at the outer edge end of the longitudinal balance part; Mounting arms are installed on both edges of the base to extend upward, respectively, and insertion holes into which the insertion blocks are inserted are installed in the mounting arms.

As an improvement on the present invention, insertion shafts are respectively installed at both ends of the horizontal balance part, and insertion grooves into which the insertion shafts are inserted are respectively installed in the corners of the bottom surface of the keycap; On the inner side of the lateral balance part, a locking hole through which an end of the elastic body is caught is installed.

As an improvement on the present invention, it further includes a conduction assembly.

As an improvement on the present invention, the conduction assembly includes a fixed piece inserted and installed in the base, and a moving piece that is inserted into the base and extends above the fixed piece, wherein the moving piece is an insertion installation part that is inserted and installed in the base; a contact portion connected to an end of the insertion installation portion and bent vertically toward one side, and a pressing portion connected to the end portion of the contact portion and extending upward; a fixed contact point is provided on the upper surface of the fixed piece, the contact part is located above the fixed piece, and a movable contact point corresponding to the fixed contact point is provided on the lower surface of the contact unit; A circumferential wall is installed on the upper end surface of the base to protrude upward, and a mounting groove into which a fixed piece and a moving piece are inserted is formed in the circumferential wall, and the pressing part of the moving piece extends to an upper side of the circumferential wall; A cover plate is installed above the contact portion located on the moving piece in the mounting groove.

As an improvement of the present invention, a PCB plate is installed at the bottom of the base, and the conduction assembly includes a photoelectric emitter tube and a photoelectric receiver tube, each installed on the PCB plate and having an upper end inserted into the base; A protruding block is installed on the lower surface of the keycap to extend downward.

As an improvement on the present invention, a support sheet is installed on the top surface of the base to protrude upward, and the bottom surface of the base is provided with two insertion grooves extending into the support sheet and into which the upper ends of the photoelectric emitter tube and the photoelectric receiver tube are inserted. , In the upper surface of the support sheet, a through hole that penetrates up to the lower surface of the base and into which the protruding block is inserted movably up and down is installed, the through hole is located between the two insertion grooves, and between the two insertion grooves and the through hole Each of the through-holes is provided.

The beneficial effects of the present invention are as follows.

(1) By combining a new balanced frame A and B, which are not connected to each other or connected using a flexible connection method, and use it as a pressing balance assembly, the balance frame A and the balance frame B are combined and moved up and down to increase the pressing pressure. By canceling the component force in the direction so that the force received by the button is always balanced, the overall pressing balance force and the action cooperation of each internal structure are improved, and the balance is good, the pressing is stable, the stability is high, and the pressing ? There is no feeling of being caught, and it is easy to use, which significantly improves the feeling of pressing.

(2) Through connecting the tension spring between the balance frame A and the balance frame B, it not only provides the elastic recovery force for the press-on function but also reduces the pulling force for the upward movement of the balance frame A and the balance frame B. In other words, by providing an elastic recovery force for the up and down movement of the balanced frame A and the balanced frame B, to ensure the accuracy and stability of the up and down movement of the balanced frame A and the balanced frame B, thereby further improving the pressing balance force. In addition, the balance frame A and the balance frame B are led by the tension spring to significantly increase the pressing stroke and improve the pressing feeling.

The above is a brief description of the means for solving the problems of the present invention, and the present invention will be described in more detail with reference to the drawings and specific embodiments below.

1 is an exploded view according to Example 1.
2 is a partial structural schematic diagram according to the first embodiment.
3 is a structural schematic diagram of the pressing balance assembly according to the first embodiment.
4 is a structural schematic diagram in which the balanced frame A and the balanced frame B according to the first embodiment are connected using a flexible connection method.
5 is a structural schematic diagram of the base according to the first embodiment.
6 is a structural schematic diagram of a keycap according to the first embodiment.
7 is a structural schematic diagram of a moving piece according to the first embodiment.
8 is a schematic diagram of the overall external structure according to the first embodiment.
9 is an exploded view according to Example 2.
10 is a partial structural schematic diagram according to the second embodiment.
11 is a structural schematic diagram of a keycap according to the second embodiment.
12 is a structural schematic diagram of the rear surface of the base according to the second embodiment.
13 is a schematic diagram of the overall external structure according to the second embodiment.

In order to explain the solutions and effects of the problems used by the present invention to achieve the intended purpose below, specific embodiments of the present invention will be described in detail with reference to the drawings and preferred embodiments.

Example 1

1, 2 and 8, the button switch provided with the press balance action provided by the present invention includes a base (1), a keycap (2) installed above the base (1), and the base (1) ) and a balance pressing assembly (3) installed between the key cap (2), the balance pressing assembly (3) is a balance frame A (31) connected between the base (1) and the key cap (2) , a balanced frame B (32) connected between the base (1) and the keycap (2), and an elastic body connected between the balanced frame A (31) and the balanced frame B (32). Preferably, the elastic body is a tension spring (33).

In the process of pressing the button switch, the balance frame A (31) and the balance frame B (32) are combined and move up and down regardless of which position of the keycap (2) is pressed, and the pressing pressure cancels the component force in the oblique direction. By doing so, the force received by the button is always balanced, thereby improving the overall pressing balance force. In addition, the tension spring 33 provides an elastic recovery force for vertical movement of the balanced frame A (31) and the balanced frame B (32), and the upward movement of the balanced frame A (31) and the balanced frame B (32) is By being lifted by the tension spring 33, the balance frame A 31 and the balance frame B 32 do not deviate from the predetermined movement trajectory, thereby further improving the pressing balance force. In addition, the balance frame A and the balance frame B are pulled by the tension spring to significantly increase the pressing stroke and improve the pressing feeling.

In this embodiment, there is no connection between the balanced frame A (31) and the balanced frame B (32), and when the keycap (2) is pressed downward as shown in FIGS. 1 to 3, the balanced frame A ( 31) and the balance frame B (32) can each move to maintain the pressing balance. Of course, between the balanced frame A (31) and the balanced frame B (32) of this embodiment may be connected using a flexible connection method, and specifically, the balanced frame A (31) and the balanced frame B ( 32) is connected using a soft adhesive to integrally connect the flat frame A (31) and the flat frame B (32), and when the key cap (2) is pressed downward, the connection part is connected by the soft connection of both In the ductile deformation occurs, the balance frame A (31) and the balance frame B (32) can be ensured to move independently to maintain the pressing balance.

In this embodiment, as shown in Fig. 3, the balanced frame A 31 and the balanced frame B 32 together form a U-shaped structure, and the U-shaped open end of the balanced frame A 31 and the balanced frame B The U-shaped opening end of (32) is installed correspondingly; The balanced frame A (31) and the balanced frame B (32) have the same structure, and are respectively connected to both ends of the horizontal balance parts 311 and 321 and the horizontal balance parts 311 and 321, respectively. 312, 322). Here, insertion shafts 3111 and 3211 into which the keycap 2 is inserted are installed at both ends of the transverse balance parts 311 and 321, respectively, and a tension spring 33 on the inner side of the transverse balance parts 311 and 321 ) The end engaging holes 3112 and 3212 are installed, and at least one insertion block 3121 and 3221 inserted and installed in the base 1 is installed at the outer edge end of the longitudinal balance parts 312 and 322. ; Correspondingly, as shown in FIG. 6 , insertion grooves 21 into which insertion shafts 3111 and 3211 are inserted are respectively installed in the corners of the lower surface of the keycap 2 , as shown in FIGS. 2 and 5 . Likewise, the base 1 of this embodiment is a single substrate, and mounting arms 11 are installed to extend upward, respectively, on both edges of the single substrate, and insertion blocks 3121 and 3221 are inserted into the mounting arms 11 . The insertion hole 111 is installed.

By combining the base (1) and the keycap (2), position restrictions are respectively performed on the upper and lower ends of the flat frame A (31) and the flat frame B (32), and the key cap (2) is pressed downward. case, the balance frame A (31) and the balance frame B (32) move up and down, respectively, to realize pressing balance and improve the overall pressing balance force; Balance frame A and balance frame B are guided by the tension spring to significantly increase the pressing stroke and improve the pressing feel.

In this embodiment, the button switch further includes a conduction assembly 4, and this embodiment uses a mechanical conduction method to realize the conduction and disconnection function of the button switch. Specifically, the conduction assembly 4 includes a fixed piece 41 inserted and installed in the base 1, and a moving piece 42 inserted and installed in the base 1 and extending above the fixed piece 41, The moving piece 42 is an insertion installation portion 421 inserted and installed in the base 1, a contact portion 422 connected to an end of the insertion installation portion 421 and bent vertically toward one side, and a contact portion 422 . a press portion 423 connected to the end and extending upwardly; A fixed contact point 411 is installed on the upper surface of the fixing piece 41 , and the contact portion 422 is located above the fixed piece 41 , and corresponds to the fixed contact point 411 on the lower surface of the contact portion 422 . A moving contact point 4221 is installed; A circumferential wall 12 is installed on the top surface of the base 1 to protrude upward, and a mounting groove 121 into which the fixing piece 41 and the moving piece 42 are inserted is provided in the circumferential wall 12. is formed, and the pressing portion 423 of the moving piece 42 extends to the upper side of the circumferential wall 12, so that when the keycap 2 is pressed and moved downward, it contacts the pressing portion to achieve an accurate pressing conduction function. do.

In addition, as shown in FIG. 2 , a cover plate 5 is installed above the contact portion 422 positioned on the moving piece 42 in the mounting groove 121 . The cover plate 5 acts as a certain position limiting action on the contact portion 422 of the moving piece 42 to prevent the moving piece 42 from springing in a large width, so that the contact portion 422 has a mounting groove ( 121) to improve the accuracy of press conduction and cutoff.

When the keycap 2 is pressed downward, the keycap 2 applies a downward force to the pressing portion 423 of the moving piece 42 , so that the pressing portion 423 is brought into contact with the contact portion 422 . ) is moved downward to bring the moving contact point 4221 of the lower surface of the contact portion 422 into contact with the fixed contact point 411 of the fixed piece 41, thereby making the button switch conduction and the tension spring 33 is deformed. When the force pressing the keycap 2 is released, the keycap moves upward by the action of the elastic recovery force of the tension spring 33 to recover its position, the force on the pressing part 423 of the moving piece 42 is When it is lost, and the pressing part 423 moves the contact part 422 upward to restore the position, the moving contact point 4221 and the contact point 411 are separated and the button switch is blocked.

Example 2

The main distinction between this embodiment and the first embodiment is that this embodiment uses the photoelectric conduction method to realize the conduction and disconnection function of the button switch, and the specific structure of the conduction assembly 4 is different, and the base 1 correspondingly ) and the correspondingly installed structure of the keycap (2) are also different, but the specific structure of the pressing balance assembly (3) is the same. Specifically, as shown in FIGS. 9 to 13 , a PCB plate 6 is installed at the lower end of the base 1 , and the conduction assembly 4 is installed on the PCB plate 6 , respectively, and the upper end is in the base. a photoelectric emitter tube 41' and a photoelectric receiver tube 42' to be inserted; A protrusion block 22 is installed on the lower end surface of the keycap 2 to extend downward, as shown in FIG. 11 .

In addition, as shown in FIGS. 10, 12 and 13 , the support sheet 13 is installed on the top surface of the base 1 to protrude upward, and the support sheet 13 is provided on the bottom surface of the base 1 . ) and two insertion grooves 131 into which the upper ends of the photoelectric emitter tube 41' and the photoelectric receiver tube 42' are inserted are installed, and the upper surface of the support sheet 13 penetrates to the lower surface of the base 1 and a through hole 132 into which the protruding block 22 is vertically moved is installed downward, and the through hole 132 is located between the two insertion grooves 131 , and the two insertion grooves 131 . A through hole 133 is installed between the through hole 132 and the through hole, respectively.

When the keycap (2) is pressed downward, the protruding block (22) on the bottom surface of the keycap (2) moves downward along the through hole (132) while the keycap (2) moves downwards, causing the protruding block (22) to move downward. ) blocks between the photoelectric launch tube 41' and the photoelectric receiver tube 42', and the photoelectric receiver tube 42' cannot receive the photoelectric signal emitted by the photoelectric launch tube 41', so that the button switch is conducted and tensioned. The spring 33 is deformed. When the force pressing the keycap 2 is released, the keycap moves upward by the action of the elastic recovery force of the tension spring 33 to recover its position, and the protruding block 22 on the lower surface of the keycap 2 The photoelectric receiver tube 42' receives the photoelectric signal emitted by the photoelectric launch tube 41' and the button The switch is cut off.

The above description is only a preferred embodiment of the present invention and is not a limitation on the technical scope of the present invention. Therefore, all other structures obtained by using the same or similar technical features as in the above embodiments of the present invention belong to the protection scope of the present invention.

Claims (12)

In the button switch having a press equalization action comprising a base and a keycap installed above the base,
and a balance pressing assembly installed between the base and the keycap, wherein the balance pressing assembly includes a balance frame A connected between the base and the keycap, a balance frame B connected between the base and the keycap, and a balance frame A; A button switch having a pressing balancing action, characterized in that it includes an elastic body connected between the balancing frames B.
According to claim 1,
The elastic body is a button switch having a pressing equalization action, characterized in that the tension spring.
According to claim 1,
A button switch having a pressing balance action, characterized in that there is no connection between the balance frame A and the balance frame B.
According to claim 1,
A button switch having a pressing balance action, characterized in that it is connected between the balanced frame A and the balanced frame B using a flexible connection method.
5. The method of claim 4,
A button switch having a pressing balance action, characterized in that the balance frame A and the balance frame B are connected using a soft adhesive.
According to claim 1,
the balanced frame A and the balanced frame B together form a U-shaped structure, and the U-shaped open end of the balanced frame A and the U-shaped open end of the balanced frame B are installed correspondingly; The balance frame A and the balance frame B have the same structure, and each includes a horizontal balance part and a longitudinal balance part connected to both ends of the horizontal balance part, respectively.
7. The method of claim 6,
at least one insertion block is installed at the outer edge end of the longitudinal balance part; Mounting arms are installed on both edges of the base to extend upward, respectively, and an insertion hole into which an insertion block is inserted is installed in the mounting arm.
7. The method of claim 6,
Insertion shafts are respectively installed at both ends of the lateral balance part, and insertion grooves into which the insertion shafts are inserted are respectively installed in the corners of the bottom surface of the keycap; A button switch having a pressing and balancing action, characterized in that a locking hole through which an end of the elastic body is caught is installed on an inner side of the lateral balance part.
9. The method according to any one of claims 1 to 8,
A button switch having a push-balancing action, further comprising a conduction assembly.
10. The method of claim 9,
The conduction assembly includes a fixed piece that is inserted into the base, and a moving piece that is inserted into the base and extends above the fixed piece,
The moving piece includes an insertion installation part inserted and installed in the base, a contact part connected to an end of the insertion installation part and vertically bent toward one side, and a pressing part connected to the contact part end and extending upward;
a fixed contact point is provided on an upper surface of the fixed piece, the contact part is located above the fixed piece, and a movable contact point corresponding to the fixed contact point is provided on a lower surface of the contact unit;
A circumferential wall is installed on the upper end surface of the base to protrude upward, and a mounting groove into which a fixed piece and a moving piece are inserted is formed in the circumferential wall, and the pressing part of the moving piece extends to an upper side of the circumferential wall;
A button switch having a pressing balance action, characterized in that a cover plate is installed above the contact portion located on the moving piece in the mounting groove.
10. The method of claim 9,
a PCB plate is installed at the lower end of the base, and the conduction assembly includes a photoelectric emitter tube and a photoelectric receiver tube, each of which is installed on the PCB plate and whose upper ends are inserted into the base; A button switch having a pressing balancing action, characterized in that a protrusion block is installed on the lower surface of the keycap to extend downward.
12. The method of claim 11,
A support sheet is installed on the top surface of the base to protrude upward, and on the bottom surface of the base, two insertion grooves extending into the support sheet and into which the upper ends of the photoelectric emitter tube and the photoelectric receiver are inserted are installed, and the upper surface of the support sheet has A through hole that penetrates to the bottom surface of the base and into which the protruding block is inserted movably up and down is installed downward, the through hole is located between the two insertion grooves, and a through hole is respectively installed between the two insertion grooves and the through hole A button switch having a press equalization action, characterized in that.

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