Piano key switch using spring to increase operating force to realize hand feeling

Abstract

The utility model discloses a piano key switch using a spring to increase operating force to realize hand feeling, which comprises a shell, a circuit board and piano keys, the circuit board is arranged in the shell, the piano keys are arranged on the shell, and the circuit board is arranged on the shell. The inner ends of the piano keys are in contact with the circuit board and are respectively provided with a first position in contact with the circuit board and a second position separated from the circuit board, the shell comprises an outer cover, a shell body and a base, and the piano keys penetrate through the outer cover. According to the piano key switch, the resistance springs for resetting the piano key switch all the time are respectively arranged at the upper action end and the lower action end of the piano key switch, so that a certain operation hand feeling is kept when the piano keys are operated and pressed, and the piano key switch is convenient to operate. And a customer has a good operation experience feeling.

Description

Technical Field

[0001] This application relates to the field of switch technology, and particularly to a piano key switch that uses a spring to increase the operating force to achieve a tactile feel. Background Art

[0002] With the rapid development of current automotive electronic technology, the interior of a whole vehicle has changed from mechanical switches with various complex functions to electronic switches with simple functions, convenient operation, and clear tactile feel, increasing more human-machine interactions and operation fun.

[0003] In the prior art, due to space limitations, most piano key switches only achieve a certain operating tactile feel by setting a toggle block in contact with the circuit board and relying on the structural elasticity of the toggle block itself. The limited structure results in a small operating force and tactile feel, and customers' subjective evaluation loses the sense of operation. Therefore, it is necessary to design a switch that uses a spring to increase the operating force to achieve a tactile feel and meet customers' evaluations. Summary of the Invention

[0004] In view of the above problems, this application proposes a piano key switch that uses a spring to increase the operating force to achieve a tactile feel. By respectively arranging resistance springs at the upper and lower ends of the movement of the piano key switch that always reset the piano key switch, when the piano key is operated and pressed, a certain operating tactile feel is maintained, giving customers a better operating experience. The piano key switch that uses a spring to increase the operating force to achieve a tactile feel is specifically implemented through the following technical solutions:

[0005] A piano key switch that uses a spring to increase the operating force to achieve a tactile feel includes: a housing, a circuit board, and a piano key. The circuit board is arranged inside the housing, the piano key is arranged on the housing, the inner end of the piano key is in contact with the circuit board and is respectively provided with a first position in contact with the circuit board and a second position separated from the circuit board. The housing includes an outer cover, a housing body, and a base. The piano key penetrates the outer cover, and an elastic member that holds the piano key in the second position is arranged between the piano key and the housing body.

[0006] Further, a toggle block, a keycap, and an indicating core are provided. A positioning slot and a rotating pin are provided on the housing body corresponding to the toggle block. The toggle block is inserted into the positioning slot, and a pin hole that cooperates with the rotating pin to form a rotating connection is provided on the toggle block. A first positioning groove facing the inner end is provided on the toggle block, and a second positioning groove is provided on the housing body corresponding to the first positioning groove. Both ends of the elastic member are respectively arranged in the first positioning groove and the second positioning groove, and the toggle block is always pushed towards the second position. Through this setting, when the piano key is pressed, there is a certain resistance, and it can quickly return to the initial position, greatly improving the tactile feel during operation.

[0007] It is further configured that the toggle block is also provided with an extension block extending toward the circuit board, the extension block is provided with a limiting protrusion, a limiting groove is provided in the positioning slot corresponding to the limiting protrusion, and the extension block penetrates the shell and extends to contact the circuit board. Through this configuration, it is convenient to transmit the toggling and force exerted on the piano keys to the circuit board and the micro switch on the circuit board to realize the on and off of the circuit.

[0008] Furthermore, a third position is provided in the opposite direction to the first position, and two groups of the first positioning groove, the second positioning groove and the elastic member are provided, corresponding to the action of pushing the piano key from the first position and the third position to the second position respectively. Through this arrangement, a single piano key can be set to move in two different directions, thereby realizing the control of the on and off of two circuits, which is more integrated.

[0009] It is further arranged that the toggle block is also provided with an active gap which is opened perpendicularly to the toggle direction of the piano key, and the active gap and the toggle block are an integrated structure. Through this arrangement, a certain amount of active space is left, so that the deformation of the piano key when subjected to force is more labor-saving, thereby improving the hand feel.

[0010] It is further configured that limiting flanges are provided on both sides of the indicating core, and the toggle block is provided with limiting grooves corresponding to the limiting flanges. The indicating core is connected to the toggle block in a manner that the limiting flanges are inserted into the limiting grooves. Through this configuration, the surface luminous indicating key function of the piano keys is realized, the human-computer interaction is better, and the operation is more convenient.

[0011] It is further configured that an annular fastener is provided on the outer edge of the outer cover, and a positioning protrusion is provided on the shell. The outer cover is detachably connected to the shell by fastening the annular fastener to the positioning protrusion. Through this configuration, the installation and disassembly between the outer cover and the shell are convenient, and the subsequent disassembly, inspection and replacement of parts of the shell are convenient.

[0012] In summary, the piano key switch that uses a spring to increase the operating force to achieve the feel, by respectively arranging resistance springs at the upper and lower ends of the piano key switch to always reset the piano key switch, can achieve a certain operating feel when the piano key is pressed, so that customers have a better operating experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0014] Figure 1 A schematic diagram of the structure of a piano key switch that uses a spring to increase the operating force to achieve a hand feel provided in an embodiment of the present application;

[0015] Figure 2 A schematic diagram of the exploded structure of a valve core of a piano key switch that uses a spring to increase the operating force to achieve a hand feel provided in an embodiment of the present application;

[0016] Figure 3 A schematic structural diagram of a housing of a piano key switch that uses a spring to increase operating force and achieve a hand feel, provided in an embodiment of the present application;

[0017] Figure 4 Schematic diagram of the explosion structure of a piano key provided in an embodiment of the present application that uses a spring to increase the operating force to achieve a hand feel Figure 1 ;

[0018] Figure 5 Schematic diagram of the explosion structure of a piano key provided in an embodiment of the present application that uses a spring to increase the operating force to achieve a hand feel Figure 2 .

[0019] Among them, the reference numerals in the figure are:

[0020] 1. Outer shell; 2. Circuit board; 3. Piano key; 4. Outer cover; 5. Shell; 6. Base; 7. Elastic member; 8. Toggle block; 9. Key cap; 10. Indicator core; 11. Positioning slot; 12. Rotating pin; 13. Pin hole; 14. First positioning groove; 15. Second positioning groove; 16. Extension block; 17. Limiting protrusion; 18. Limiting groove; 19. Movable gap; 20. Limiting flange; 21. Limiting groove; 22. Ring fastener; 23. Positioning protrusion. DETAILED DESCRIPTION

[0021] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0022] The appearance of the above words in various places in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0023] The present application is further described with reference to the accompanying drawings and specific implementation methods:

[0024] Please also read Figures 1 to 5, a piano key switch that uses a spring to increase the operating force to achieve a tactile feel, comprising: a housing 1, a circuit board 2, and a piano key 3. The circuit board 2 is disposed inside the housing 1, and the piano key 3 is disposed on the housing 1. The inner end of the piano key 3 contacts the circuit board 2 and is respectively provided with a first position in contact with the circuit board 2 and a second position separated from the circuit board 2. The housing 1 includes an outer cover 4, a housing body 5, and a base 6. The piano key 3 penetrates through the outer cover 4, and an elastic member 7 for holding the piano key 3 in the second position is disposed between the piano key 3 and the housing body 5.

[0025] Please refer to Figures 1 to 5In this embodiment, a toggle block 8, a key cap 9 and an indication core 10, a positioning slot 11 and a rotating pin 12 are provided on the housing 5 corresponding to the toggle block 8, the toggle block 8 is inserted into the positioning slot 11 and the toggle block 8 is provided with a pin hole 13 that cooperates with the rotating pin 12 to form a rotating connection, a first positioning slot 14 facing the inner end is provided on the toggle block 8, and a second positioning slot 15 is provided on the housing 5 corresponding to the first positioning slot 14, and the two ends of the elastic member 7 are respectively arranged in the first positioning slot 14 and the second positioning slot 15, and the toggle block 8 is always pushed to the second position, and the elastic member 7 is provided with a compression spring suitable for compression, and the preload force of the spring acts on the housing 5, The other side acts on the toggle block 8 of the piano key 3, so that the toggle block 8 is always kept in the second position, and once the toggle block 8 receives the toggle operation of the user and rotates, the second position is destroyed, and an additional force is applied to the elastic member 7, thereby increasing the resistance during the operation and improving the so-called hand feeling, and after the operation is completed, the toggle block 8 can quickly return to the second position, which is also a way to improve the hand feeling; the toggle block 8 is also provided with an extension block 16 extending toward the circuit board 2, and a limiting protrusion 17 is provided on the extension block 16, and a limiting groove 18 is provided in the positioning slot 11 corresponding to the limiting protrusion 17, and the extension block 16 passes through the shell 5 and extends to contact the circuit board 2; a third position opposite to the first position is also provided, and two groups of the first positioning groove 14, the second positioning groove 15 and the elastic member 7 are provided, corresponding to the action of pushing the piano key 3 from the first position and the third position to the second position respectively. Through such a setting, a piano key 3 can be moved in two directions to realize the on-off control of two circuits, which is more integrated. In addition, more groups of moving directions of the toggle block 8 can be set to realize more groups of circuit on-off functions. The more groups are realized, the more circuit on-off functions can be controlled, so that the setting of the piano key 3 is more integrated and the space required is smaller; the toggle block 8 is also provided with a toggle direction corresponding to the piano key 3 The movable gap 19 is vertically opened, and the movable gap 19 and the toggle block 8 are an integrated structure; the limiting flanges 20 are arranged on both sides of the indicating core 10, and the toggle block 8 is provided with limiting grooves 21 corresponding to the limiting flanges 20, and the indicating core 10 is connected to the toggle block 8 by inserting the limiting flanges 20 into the limiting grooves 21. In this way, the indicating core 10 is provided with a simple symbol for expressing the specific function of the button, and the simple symbol does not need to be integrally arranged on the piano key 3, but is arranged on the indicating core 10, and is conveniently connected to the toggle block 8 through the above-mentioned connection method during installation, which is more convenient in production, saves costs and improves efficiency;An annular fastener 22 is provided on the outer edge of the outer cover 4, and a positioning protrusion 23 is provided on the housing 5. The outer cover 4 is detachably connected to the housing 5 by buckling the annular fastener 22 on the positioning protrusion 23.;

[0026] The above are only the preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A piano key switch that uses a spring to increase the operating force to achieve a good feel, comprising: A housing (1), a circuit board (2) and a piano key (3), wherein the circuit board (2) is arranged inside the housing (1), the piano key (3) is arranged on the housing (1), the inner end of the piano key (3) contacts the circuit board (2) and is respectively provided with a first position in contact with the circuit board (2) and a second position disconnected from the circuit board (2), characterized in that: the housing (1) comprises an outer cover (4), a shell (5) and a base (6), the piano key (3) passes through the outer cover (4), and an elastic member (7) is provided between the piano key (3) and the shell (5) for maintaining the piano key (3) in the second position.

2. A piano key switch for increasing the operating force to achieve a hand feel according to claim 1, characterized in that The piano key (3) comprises: a toggle block (8), a key cap (9) and an indicating core (10); a positioning slot (11) and a rotating pin (12) are provided on the housing (5) corresponding to the toggle block (8); the toggle block (8) is inserted into the positioning slot (11) and the toggle block (8) is provided with a pin hole (13) which cooperates with the rotating pin (12) to form a rotating connection; the toggle block (8) is provided with a first positioning slot (14) facing the inner end; the housing (5) is provided with a second positioning slot (15) corresponding to the first positioning slot (14); the two ends of the elastic member (7) are respectively arranged in the first positioning slot (14) and the second positioning slot (15), and the toggle block (8) is always pushed to the second position.

3. A piano key switch for increasing the operating force and realizing the hand feeling by using a spring according to claim 2, characterized in that The toggle block (8) is also provided with an extension block (16) extending toward the circuit board (2); a limiting protrusion (17) is provided on the extension block (16); a limiting groove (18) is provided in the positioning slot (11) corresponding to the limiting protrusion (17); and the extension block (16) passes through the housing (5) and extends to contact the circuit board (2).

4. A piano key switch for increasing the operating force and realizing the hand feeling by using a spring according to claim 2, characterized in that A third position is also provided in the opposite direction to the first position, and two groups of the first positioning groove (14), the second positioning groove (15) and the elastic member (7) are provided, corresponding to the action of pushing the piano key (3) from the first position and the third position to the second position respectively.

5. A piano key switch for increasing the operating force and realizing the hand feeling by using a spring according to claim 2, characterized in that The toggle block (8) is also provided with an active gap (19) which is perpendicular to the toggle direction of the piano key (3), and the active gap (19) and the toggle block (8) are an integral structure.

6. A piano key switch for increasing the operating force and realizing the hand feeling by using a spring according to claim 2, characterized in that The indicating core (10) is provided with limiting flanges (20) on both sides, the toggle block (8) is provided with limiting grooves (21) corresponding to the limiting flanges (20), and the indicating core (10) is connected to the toggle block (8) by inserting the limiting flanges (20) into the limiting grooves (21).

7. A piano key switch for increasing the operating force and realizing the hand feeling by using a spring according to claim 1, characterized in that The outer edge of the outer cover (4) is provided with an annular fastener (22), and the shell (5) is provided with a positioning protrusion (23). The outer cover (4) is detachably connected to the shell (5) by means of the annular fastener (22) being fastened to the positioning protrusion (23).

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