CN216819823U - Silent shaft body structure with hand feeling - Google Patents
Silent shaft body structure with hand feeling Download PDFInfo
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- CN216819823U CN216819823U CN202123190072.1U CN202123190072U CN216819823U CN 216819823 U CN216819823 U CN 216819823U CN 202123190072 U CN202123190072 U CN 202123190072U CN 216819823 U CN216819823 U CN 216819823U
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Abstract
The utility model discloses a silent shaft body structure with hand feeling, which comprises a key seat arranged on a PCB (printed Circuit Board), wherein a switch shaft and an elastic reset piece for resetting the switch shaft are arranged in the key seat; the bottom of the switch shaft is provided with a mute pad. The application provides a mute shaft body structure with a press damping hand feeling, and the structure can also be matched with an electrical element to output an electrical signal; according to the application, the damping piece is arranged in the key seat to generate acting force on the hand feeling force arm, the switch shaft is provided with the hand feeling bulge capable of destroying the acting force to generate strong damping hand feeling, and the bottom of the switch shaft is provided with the mute pad to realize mute hand feeling operation; the structure of the application is simple and ingenious, user requirements are met, and the application is suitable for popularization and use.
Description
Technical Field
The utility model relates to a press switch shaft body device, in particular to a mute shaft body structure with hand feeling.
Background
A keyboard is a command and data input device used to operate equipment, and also refers to a set of function keys (e.g., typewriter, computer keyboard) arranged to operate a machine or equipment through a system. The keypad keys are generally classified into a hall sensing type and a photoelectric switching type, in which the photoelectric switching type keypad keys utilize a photoelectric coupling technology, an optical path is formed by a transmitting element and a receiving element by using an optical principle and a photoelectric coupling technology, and a circuit switch is implemented by a light blocking member for performing the cutting off and the conduction of the optical path to change the circuit impedance.
The switch shaft structure of button can strike the key seat when blocking the light path and make a sound, and does not have and presses and feel, and to this defect, need improve the switch shaft structure, makes it realize the silence and feel the operation.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, the present invention provides a silent axle body structure with a simple structure and a strong damping feeling.
In order to realize the technical purpose, the scheme of the utility model is as follows: the utility model provides a there is silence axis body structure of feeling, the axis body structure is used for cooperating electrical element output switch signal, including installing the key seat on the PCB board, be equipped with a switch axle in the key seat and supply the elasticity that the switch axle resets, install a bullet piece of feeling in the key seat, be provided with a arch of feeling that is used for triggering to feel on the switch axle lateral wall, when pressing down the switch axle, the switch axle drives down and feels protruding extrusion and feel the bullet piece and overcome the resistance and produce and feel.
Preferably, the hand-feeling elastic piece comprises an L-shaped hand-feeling force arm and a damping piece arranged on the hand-feeling force arm, the bottom of the hand-feeling force arm is pivoted in the key base, a protruding part is arranged on the side wall of the hand-feeling force arm, and when the switch shaft is pressed, the hand-feeling bulge overcomes the acting force of the damping piece on the hand-feeling force arm to generate pressing hand feeling after crossing the protruding part.
Preferably, the damping part is a hand-feeling pressure spring, the hand-feeling force arm is provided with a pressure spring seat, the key seat is provided with a key cover, the key cover is provided with a pressure spring groove opposite to the pressure spring seat, and the hand-feeling pressure spring is arranged between the pressure spring groove and the pressure spring seat and provides inward acting force for the hand-feeling force arm.
Preferably, the damping piece is a hand-feeling torsion spring, the side wall of the hand-feeling force arm is provided with a convex column and a stop block, the convex column is sleeved with the hand-feeling torsion spring, one end of the hand-feeling torsion spring is abutted to the inner wall of the key seat, the other end of the hand-feeling torsion spring is abutted to the stop block, and inward acting force is provided for the hand-feeling force arm.
Preferably, the bottom of the switch shaft is provided with a silencing pad, and the silencing pad is provided with a through hole for the switch shaft to pass through and bosses matched with two sides of the switch shaft.
Preferably, the electrical element is a light-to-tube assembly formed by a light-emitting element and a photosensitive element which are attached to the PCB, and a grating shaft capable of triggering the light-to-tube assembly to output an optical electrical signal downwards is arranged on a side wall of the switch shaft.
Preferably, the bottom of the key base is provided with a clearance groove for the grating shaft to pass through, light holes are formed in two sides of the clearance groove, and the light-emitting element and the photosensitive element are located on two sides of the light holes.
Preferably, the electric element is a hall element attached to a PCB, and a magnetic member capable of changing the magnetic flux of the hall element downward is disposed on a side wall of the switch shaft.
Preferably, the key seat is provided with a limiting groove, the bottom of the hand feeling force arm is provided with a pivot shaft, and the hand feeling force arm is pivoted in the limiting groove through the pivot shaft.
Preferably, the LED lamp is arranged on the PCB in a paster mode.
The utility model has the beneficial effects that: the application provides a mute shaft body structure with a pressing damping hand feeling, and the structure can be matched with an electrical element to output an electrical signal; according to the touch control device, the damping piece is arranged in the key seat to generate acting force on the touch force arm, the switch shaft is provided with the touch protrusion which can damage the acting force to generate strong damping touch, and the bottom of the switch shaft is provided with the mute pad to realize mute touch operation; the structure of the application is simple and ingenious, user requirements are met, and the application is suitable for popularization and use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of a first embodiment of the present invention;
fig. 3 is a schematic structural view of a hand-feeling elastic member according to a first embodiment of the present invention;
fig. 4 is a schematic structural diagram of a pressing state according to a first embodiment of the present invention;
FIG. 5 is a schematic partial structure diagram according to a first embodiment of the present invention;
FIG. 6 is an exploded view of a second embodiment of the present invention;
fig. 7 is a schematic structural view of a hand-feeling elastic piece in the second embodiment of the present invention;
fig. 8 is a schematic structural view of the fallboard in the present invention.
In the figure: 1. a key base; 11. a limiting groove; 12. an empty avoiding groove; 121. a light-transmitting hole; 2. a PCB board; 21. a light-to-tube assembly; 22. an LED lamp; 3. a switch shaft; 31. the hand feeling is convex; 32. a grating axis; 4. a key cover; 41. a compression spring groove; 5. a mute pad; 6. an elastic reset member; 7. a hand-feeling elastic piece; 71. a hand feeling arm of force; 72. a hand feeling pressure spring; 73. a hand-feel torsion spring; 74. a pivot shaft; 75. a pressure spring seat; 76. a convex column; 77. a stopper; 78. a protrusion.
Detailed Description
In order to clearly and completely describe the technical scheme, the following embodiments are selected for illustration; the following examples are part of the present invention; other embodiments, which can be obtained without inventive step based on the present application, are within the scope of the present invention.
In the following embodiments, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", "top/bottom", and the like are all based on the orientations and positional relationships shown in the drawings, and are only for the convenience of clearly describing the embodiments, but do not indicate or imply that the referred devices or elements have to have specific orientations, and therefore, the present application is not limited thereto.
As shown in fig. 1-5, the first embodiment is a mute shaft body structure using a hand-feeling pressure spring 72, the shaft body structure is used for matching with an electrical component to output a switching signal, and includes a key pad 1 installed on a PCB board, a switch shaft 3 and an elastic reset piece 6 for resetting the switch shaft 3 are arranged in the key pad 1, in order to mute the switch shaft 3, the mute pad 5 is further included, silica gel bosses are arranged on two sides of the mute pad 5 and are matched with silica gel grooves on two sides of the switch shaft 3, and the mute pad 5 is assembled at the bottom of the switch shaft 3, so that the switch shaft 3 does not collide with the key pad 1 to make a sound when moving downwards.
In order to provide a pressing hand feeling for the shaft body structure, a hand feeling elastic piece 7 is installed in the key base 1, a hand feeling bulge 31 for triggering the hand feeling is arranged on the side wall of the switch shaft 3, and when the switch shaft 3 is pressed, the switch shaft 3 moves downwards to drive the hand feeling bulge 31 to extrude the hand feeling elastic piece 7 to overcome resistance to generate the hand feeling;
the hand feeling elastic piece 7 comprises an L-shaped hand feeling force arm 71 and a hand feeling pressure spring 72 arranged on the hand feeling force arm 71, the bottom of the hand feeling force arm 71 is pivoted in the key base 1, a protruding part 78 is arranged on the side wall of the hand feeling force arm 71, a pressure spring seat 75 is arranged on the hand feeling force arm 71, as shown in fig. 8, a pressure spring groove 41 opposite to the pressure spring seat 75 is arranged on the key cover 4, and the hand feeling pressure spring 72 is arranged between the pressure spring groove 41 and the pressure spring seat 75 and provides inward acting force for the hand feeling force arm 71; when the switch shaft 3 is pressed, the hand feeling protrusion 31 goes over the protrusion 78 and generates a pressing feeling against the urging force of the hand feeling pressure spring 72 to the hand feeling arm 71. The handle protrusion 31 in this embodiment may be triangular, cylindrical, stepped or any protrusion structure that can generate a damping pushing handle over the protrusion, preferably an inclined structure, and the protrusion 78 is preferably a circular protrusion protruding from the sidewall of the handle arm 71.
As shown in fig. 6-7, the second embodiment is a mute shaft body structure using a hand-feeling torsion spring 73, the shaft body structure is used for matching with an electrical component to output a switching signal, and includes a key pad 1 installed on a PCB, a switch shaft 3 and an elastic reset piece 6 for resetting the switch shaft 3 are arranged in the key pad 1, in order to mute the switch shaft 3, the mute pad 5 is further included, silica gel bosses are arranged on two sides of the mute pad 5 and are matched with the silica gel grooves on two sides of the switch shaft 3, a through hole is arranged on the mute pad 5, the switch shaft 3 penetrates through the through hole of the mute pad 5 and is assembled with the mute pad, so that the switch shaft 3 does not collide with the key pad 1 to make a sound when moving downwards.
In order to provide a pressing hand feeling for the shaft body structure, a hand feeling elastic piece 7 is installed in the key base 1, a hand feeling bulge 31 for triggering the hand feeling is arranged on the side wall of the switch shaft 3, and when the switch shaft 3 is pressed, the switch shaft 3 moves downwards to drive the hand feeling bulge 31 to extrude the hand feeling elastic piece 7 to overcome resistance to generate the hand feeling;
the hand feeling elastic piece 7 comprises an L-shaped hand feeling force arm 71 and a hand feeling torsion spring 73 arranged on the hand feeling force arm 71, the bottom of the hand feeling force arm 71 is pivoted in the key base 1, a protruding part 78 is arranged on the side wall of the hand feeling force arm 71, a convex column 76 and a stop dog 77 are arranged on the hand feeling force arm 71, the hand feeling torsion spring 73 is sleeved on the convex column 76, one end of the hand feeling torsion spring 73 is abutted against the inner wall of the key base 1, the other end of the hand feeling torsion spring 73 is abutted against the stop dog 77, and inward acting force is provided for the hand feeling force arm 71; when the switch shaft 3 is pressed, the hand feeling protrusion 31 goes over the protrusion 78 to generate a pressing feeling against the urging force of the hand feeling torsion spring 73 to the hand feeling arm 71. The handle protrusion 31 in this embodiment may be triangular, cylindrical, stepped or any protrusion structure that can generate a damping pushing handle over the protrusion, preferably an inclined structure, and the protrusion 78 is preferably a circular protrusion protruding from the sidewall of the handle arm 71.
As shown in fig. 1-8, the third embodiment is a mute shaft body structure with hand feeling, the shaft body structure is used for cooperating with the optical pair tube assembly 21 to output an optical electrical signal, and includes a key base 1 installed on the PCB board, a switch shaft 3 and an elastic reset piece 6 for resetting the switch shaft 3 are arranged in the key base 1, in order to mute the switch shaft 3, the mute pad 5 is further included, silica gel bosses are arranged on two sides of the mute pad 5 and are matched with the silica gel grooves on two sides of the switch shaft 3, a through hole is arranged on the mute pad 5, the switch shaft 3 penetrates through the through hole of the mute pad 5 and is assembled with the mute pad, so that the switch shaft 3 does not collide with the key base 1 to make a sound when moving downwards. In order to provide a pressing hand feeling for the shaft body structure, a hand feeling elastic piece 7 is installed in the key base 1, a hand feeling bulge 31 for triggering the hand feeling is arranged on the side wall of the switch shaft 3, and when the switch shaft 3 is pressed, the switch shaft 3 moves downwards to drive the hand feeling bulge 31 to extrude the hand feeling elastic piece 7 to overcome resistance to generate the hand feeling;
the hand feeling elastic piece 7 comprises an L-shaped hand feeling arm 71 and a damping piece arranged on the hand feeling arm 71, a limiting groove 11 is arranged on the key seat 1, a pivot shaft 74 is arranged at the bottom of the hand feeling arm 71, and the hand feeling arm 71 is pivoted in the limiting groove 11 through the pivot shaft 74.
The light-to-tube assembly 21 is a light-emitting element and a photosensitive element which are attached to a PCB, a grating shaft 32 which can trigger the light-to-tube assembly 21 to output an optical signal is arranged on the side wall of the switch shaft 3, a clearance groove 12 which can enable the grating shaft 32 to pass through is arranged at the bottom of the key base 1, light holes 121 are formed in two sides of the clearance groove 12, the light-emitting element and the photosensitive element are located on two sides of the light holes 121, light emitted by the light-emitting element reaches the photosensitive element through the light holes 121, and the light path between the light-emitting element and the photosensitive element is changed by the grating shaft 32 in a downward mode, so that a switch signal is output. Preferably, the LED lamp 22 is mounted on the PCB 2.
The fourth embodiment is a silence axis body structure that has the feeling, and the axis body structure is used for cooperating hall element output electromagnetic signal, and the lateral wall of switch axle 3 is equipped with the magnetic part, and when pressing switch axle 3, the magnetic part changes hall element magnetic flux size downwards and outputs different electromagnetic signal.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any minor modifications, equivalent replacements and improvements made to the above embodiment according to the technical spirit of the present invention should be included in the protection scope of the technical solution of the present invention.
Claims (11)
1. The utility model provides a have silence axis body structure of feeling, the axis body structure is used for cooperating electrical element output switch signal, including installing the key seat on the PCB board, be equipped with a switch axle in the key seat and supply the elasticity that the switch axle resets, its characterized in that: a hand-feeling elastic piece is installed in the key seat, a hand-feeling bulge for triggering hand feeling is arranged on the side wall of the switch shaft, and when the switch shaft is pressed, the switch shaft moves downwards to drive the hand-feeling bulge to extrude the hand-feeling elastic piece to overcome resistance to generate hand feeling.
2. The silent shaft structure with touch according to claim 1, wherein: the hand feeling elastic piece comprises an L-shaped hand feeling force arm and a damping piece arranged on the hand feeling force arm, the bottom of the hand feeling force arm is pivoted in the key seat, a protruding part is arranged on the side wall of the hand feeling force arm, and when the switch shaft is pressed, the hand feeling bulge overcomes the acting force of the damping piece on the hand feeling force arm to generate pressing hand feeling after crossing the protruding part.
3. The silent shaft structure with touch according to claim 2, wherein: the damping piece is a hand-feeling pressure spring, a pressure spring seat is arranged on the hand-feeling force arm, a key cover is arranged on the key seat, a pressure spring groove opposite to the pressure spring seat is arranged on the key cover, and the hand-feeling pressure spring is arranged between the pressure spring groove and the pressure spring seat and provides inward acting force for the hand-feeling force arm.
4. The silent shaft structure with touch according to claim 2, wherein: the damping piece is a hand-feeling torsion spring, the side wall of the hand-feeling force arm is provided with a convex column and a stop block, the convex column is sleeved with the hand-feeling torsion spring, one end of the hand-feeling torsion spring is abutted to the inner wall of the key seat, the other end of the hand-feeling torsion spring is abutted to the stop block, and inward acting force is provided for the hand-feeling force arm.
5. The silent shaft structure with touch according to claim 1, wherein: switch shaft bottom is equipped with the silence pad, be provided with the through-hole that supplies the switch shaft to pass and the boss with switch shaft both sides adaptation on the silence pad.
6. The silent shaft structure with touch according to claim 1, wherein: the electric element is a light-to-tube assembly which is pasted on the PCB and consists of a light-emitting element and a photosensitive element, and the side wall of the switch shaft is provided with a grating shaft which can trigger the light-to-tube assembly to output an optical electric signal downwards.
7. The silent shaft structure with touch according to claim 6, wherein: the bottom of the key seat is provided with a clearance groove which enables the grating shaft to pass through, light holes are formed in two sides of the clearance groove, and the light-emitting element and the photosensitive element are located on two sides of the light holes.
8. The silent shaft structure with touch according to claim 1, wherein: the electric element is a Hall element pasted on the PCB, and a magnetic part capable of changing the magnetic flux of the Hall element by moving up and down is installed on the side wall of the switch shaft.
9. The silent shaft structure with touch according to claim 1, wherein: the electric element is a Hall element pasted on the PCB, and a magnetic part capable of changing the magnetic flux of the Hall element downwards is arranged on the side wall of the switch shaft.
10. The silent shaft structure with touch according to claim 2, wherein: the key seat is provided with a limiting groove, the bottom of the hand feeling force arm is provided with a pin joint shaft, and the hand feeling force arm is pin jointed in the limiting groove through the pin joint shaft.
11. The silent shaft structure with touch according to claim 1, wherein: and the LED lamps are arranged on the patches on the PCB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123190072.1U CN216819823U (en) | 2021-12-17 | 2021-12-17 | Silent shaft body structure with hand feeling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123190072.1U CN216819823U (en) | 2021-12-17 | 2021-12-17 | Silent shaft body structure with hand feeling |
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| Publication Number | Publication Date |
|---|---|
| CN216819823U true CN216819823U (en) | 2022-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123190072.1U Active CN216819823U (en) | 2021-12-17 | 2021-12-17 | Silent shaft body structure with hand feeling |
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| Country | Link |
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| CN (1) | CN216819823U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024239142A1 (en) * | 2023-05-19 | 2024-11-28 | 惠州市正牌科电有限公司 | Double-tactile-sense photoelectric control keyboard switch module |
-
2021
- 2021-12-17 CN CN202123190072.1U patent/CN216819823U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024239142A1 (en) * | 2023-05-19 | 2024-11-28 | 惠州市正牌科电有限公司 | Double-tactile-sense photoelectric control keyboard switch module |
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