CN211479906U

CN211479906U - Mute optical microswitch and mouse

Info

Publication number: CN211479906U
Application number: CN201922177991.1U
Authority: CN
Inventors: 李风海
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-09-11
Anticipated expiration: 2029-12-06

Abstract

The utility model belongs to the technical field of the switch technique and specifically relates to indicate light micro-gap switch and mouse of silence, which comprises a button, the shell fragment, base and PCB board, the base can be dismantled with the PCB board and be connected, the shell fragment includes fixed part and movable part, the base facial make-up is equipped with first fixed bolster, the second fixed bolster, go up flexible glue bump and flexible glue bump down, be equipped with in the base and hold the chamber, hold the intracavity and be equipped with the signal receiving subassembly that signals the subassembly and be used for receiving the signal that the subassembly launched sent out of signals, form signal return circuit between signal receiving subassembly and the signal receiving subassembly, the other end of movable part is protruding to be equipped with the signal and to block the piece, when movable part and flexible glue bump contact down, the signal blocks the piece and is located between signal receiving subassembly and will signal the transmission signal of subassembly and. The utility model provides a pair of light micro-gap switch and mouse of silence blocks the signal circuit through the signal blocking piece when the button is pressed to send the signal and give the computer, the signal is more stable.

Description

Mute optical microswitch and mouse

Technical Field

The utility model belongs to the technical field of the switch technique and specifically relates to indicate light micro-gap switch and mouse of silence.

Background

A microswitch in a mouse is a part which is internally triggered by a metal reed, after a button on the mouse is pressed once, a silver point at the front section of the metal reed in the microswitch is triggered once by a contact pin below the silver point, so that a circuit is conducted, an electric signal is transmitted to a computer, and then the mouse is reset. A microswitch or a tact switch is inevitably arranged under all keys on the mouse, so that the microswitch is the key of the mouse actually, and the function of the key on the mouse shell is only convenient for a user to press the microswitch.

For example, patent document No. 201621017332.1 discloses a micro switch of a mouse, which is to press a button to make a metal moving contact conductive with a lower soft rubber bump, so as to conduct a loop of the micro switch and send an electrical signal to a computer. The structure realizes the use control of the micro switch through a mechanical principle, but the micro switch is easy to damage after being used for a long time, and when a mouse is double-clicked, a signal leakage condition can occur, the mouse can sometimes fail when the mouse is pressed, and the stability is insufficient.

Disclosure of Invention

The utility model discloses the problem to prior art provides a light micro-gap switch of silence, and the signal loop that signals subassembly and signal receiving subassembly formed and switch on blocks the signal loop through the signal blocking piece when the button is pressed to send the signal for the computer, therefore can avoid adopting the part fragile that metal pin or other metal parts lead to, the unstable problem in signal loop.

In order to solve the technical problem, the utility model discloses a following technical scheme: a silent light microswitch comprises a button, a spring plate, a base and a PCB, wherein the base is detachably connected with the PCB, the spring plate comprises a fixed part and a movable part, the button is positioned above the movable part, the base is provided with a first fixed support and a second fixed support, one end of the movable part is slidably connected with the first fixed support, one end of the fixed part is connected with the movable part, the other end of the fixed part is clamped with the second fixed support, the base is detachably provided with an upper soft rubber bump and a lower soft rubber bump, the upper soft rubber bump is positioned above the lower soft rubber bump, and the other end of the movable part is arranged between the upper soft rubber bump and the lower soft rubber bump; the PCB signal transmitting and receiving device is characterized in that a containing cavity is formed in the base, a signal transmitting component used for transmitting signals and a signal receiving component used for receiving signals transmitted by the signal transmitting component are arranged in the containing cavity, the signal transmitting component and the signal receiving component are both mounted on a PCB, a signal loop is formed between the signal transmitting component and the signal receiving component, the signal transmitting component and the signal receiving component are arranged at intervals, a signal blocking component is convexly arranged at the other end of the movable portion, and when the movable portion is in contact with the lower soft rubber bump, the signal blocking component is located between the signal transmitting component and the signal receiving component and blocks transmitting signals of the signal transmitting component.

Preferably, the signaling component comprises a first signal transceiver mirror and a transmitting diode, wherein the first signal transceiver mirror is positioned above the transmitting diode and is in signal connection with the transmitting diode; the signal receiving assembly comprises a second signal transmitting and receiving mirror and a receiving diode, and the second signal transmitting and receiving mirror is located above the receiving diode and is in signal connection with the receiving diode.

Preferably, the PCB board is further provided with a light-emitting LED, and the light-emitting LED is arranged in the containing cavity.

Preferably, the signal blocking member includes a horizontal portion connected to the movable portion, and a vertical portion vertically connected to the horizontal portion.

Preferably, a first welding leg and a second welding leg are detachably arranged at two ends of the base respectively, the first welding leg is T-shaped, a first T-shaped groove used for assembling the first welding leg is formed in the base, the second welding leg comprises a bending part and a T-shaped part, the bending part is connected to the top of the T-shaped part, and a second T-shaped groove used for assembling the T-shaped part is formed in the base; and the PCB is provided with a plurality of welding holes for assembling the first welding feet and the second welding feet.

Preferably, the base is provided with a groove for mounting the lower soft rubber bump, and the upper soft rubber bump is sleeved on the bending part of the second welding leg.

Preferably, the first fixing support and the second fixing support are made of plastic materials.

Preferably, the first fixing support is provided with a first V-shaped groove, the second fixing support is provided with a second V-shaped groove, and the movable part of the elastic piece is provided with a first mounting hole and a second mounting hole at intervals; a first bayonet is arranged at one end of the first mounting hole, which is far away from the second mounting hole, a second bayonet is arranged at one end of the fixed part, and the other end of the fixed part is connected with the movable part; the first fixing support is assembled in the first mounting hole, the first bayonet is assembled in the first V-shaped groove, the fixing portion is arranged below the second mounting hole, the second bayonet is assembled in the second V-shaped groove, and the second fixing support is assembled in the second mounting hole when the movable portion moves downwards.

Preferably, the light micro-gap switch still includes the enclosing cover, the both sides of base all are equipped with spacing fixture block, the both sides of enclosing cover all are equipped with the spacing groove that is used for assembling spacing fixture block, the mounting groove that is used for installing the button is seted up at the top of enclosing cover.

A mouse comprises the optical microswitch.

The utility model has the advantages that:

the utility model provides a pair of light micro-gap switch of silence signals subassembly transmission signal, receives the signal that the signal subassembly received the signal transmission of signal subassembly to form signal circuit, when not having the button to press, this signal circuit is in the state that switches on always, presses down when the button, and the signal blocking piece on the movable part of shell fragment moves down to and signals between subassembly and the signal subassembly of receiving, blocks signal circuit, and signal circuit does not switch on, so have the signal to send the computer, and after the signal blocking piece resets, signal circuit switches on again; the signal loop of the light micro-switch-on light is set to be in a always-on state, and then by blocking the signal loop which is already connected, noise generated when the signal loop is connected can be reduced, so that the response can be more sensitive, and the condition of signal omission caused by double click is also reduced; in addition, the signaling component and the receiving component are arranged in the containing cavity of the base, so that the signaling component and the receiving component can be protected, and the signaling component or the receiving component cannot be touched in the process of conducting or blocking a signal loop, so that the signaling component and the receiving component are not easy to damage, and the service life of the optical microswitch can be effectively prolonged.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the exploded structure of the present invention.

Fig. 3 is a schematic structural view of the elastic sheet of the present invention.

Fig. 4 is another schematic structural diagram of the elastic sheet of the present invention.

Fig. 5 is a schematic structural diagram of the base of the present invention.

Fig. 6 is a cross-sectional view of the base of the present invention.

Fig. 7 is a first cross-sectional view of the present invention.

Fig. 8 is a second cross-sectional view of the present invention.

The reference numerals in fig. 1 to 8 include:

1-button, 2-elastic sheet, 21-fixed part, 22-movable part, 221-first mounting hole, 222-second mounting hole, 223-first bayonet, 224-second bayonet, 23-signal blocking part, 231-horizontal part, 232-vertical part, 3-base, 31-first fixed support, 311-first V-shaped groove, 32-second fixed support, 321-second V-shaped groove, 33-upper soft rubber bump, 34-lower soft rubber bump, 35-containing cavity, 36-groove, 37-limiting fixture block, 38-first T-shaped groove, 39-second T-shaped groove, 4-PCB plate, 41-welding hole, 5-signaling component, 51-first signal transmitting and receiving mirror, 52-emitting diode, 6-signal receiving component, 61-a second signal transmitting and receiving mirror, 62-a receiving diode, 7-a light-emitting LED, 81-a first welding foot, 82-a second welding foot, 821-a bending part, 822-a T-shaped part, 9-an outer cover, 91-a limiting groove and 92-an installation groove.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention will be described in detail with reference to the accompanying drawings.

The mute optical microswitch provided by the embodiment is shown in fig. 1 to 8, and comprises a button 1, an elastic sheet 2, a base 3 and a PCB 4, wherein the base 3 is detachably connected with the PCB 4, the elastic sheet 2 comprises a fixed part 21 and a movable part 22, the button 1 is positioned above the movable part 22, the base 3 is provided with a first fixed bracket 31 and a second fixed bracket 32, one end of the movable part 22 is slidably connected with the first fixed bracket 31, one end of the fixed part 21 is connected with the movable part 22, and the other end of the fixed part 21 is clamped with the second fixed bracket 32; the base 3 is detachably provided with an upper soft rubber bump 33 and a lower soft rubber bump 34, the upper soft rubber bump 33 is positioned above the lower soft rubber bump 34, and the other end of the movable part 22 is arranged between the upper soft rubber bump 33 and the lower soft rubber bump 34; the base 3 is internally provided with a cavity 35, the cavity 35 is internally provided with a signaling component 5 for transmitting signals and a signal receiving component 6 for receiving the signals transmitted by the signaling component 5, the signaling component 5 and the signal receiving component 6 are both mounted on the PCB 4, a signal loop is formed between the signaling component 5 and the signal receiving component 6, the signaling component 5 and the signal receiving component 6 are arranged at intervals, the other end of the movable part 22 is convexly provided with a signal blocking part 23, and when the movable part 22 is contacted with the lower soft rubber bump 34, the signal blocking part 23 is positioned between the signaling component 5 and the signal receiving component 6 and blocks the transmission signals of the signaling component 5.

Specifically, the upper soft rubber bump 33 and the lower soft rubber bump 34 are both made of soft rubber materials, so that no sound is generated when the upper soft rubber bump and the lower soft rubber bump are in contact with the elastic sheet 2. The working principle of the optical microswitch is as follows: the signaling component 5 transmits signals, and the receiving component 6 receives the signals transmitted by the signaling component 5, so as to form a signal loop, as shown in fig. 8, wherein the signal loop is in a state of being always conducted when the button 1 is not pressed; when a user presses the button 1, the button 1 presses the movable part 22 of the elastic sheet 2, one end of the movable part 22 is clamped on the first fixing support 31, and the fixing part 21 is clamped on the second fixing support 32, so that when the button 1 is pressed down, the other end of the movable part 22, namely one end with the signal blocking piece 23, moves downwards and touches the lower soft rubber bump 34, no sound is generated when the lower soft rubber bump 34 is touched, and the silencing effect is achieved, wherein the shape of the fixing part 21 is curved as shown in fig. 4, and the elastic sheet can be prevented from moving downwards; the movable part 22 moves downwards to touch the lower soft rubber bump 34, the signal blocking piece 23 is positioned between the signaling component 5 and the signal receiving component 6 at the moment, a signal loop is blocked, the signal loop is not conducted, and then a signal is sent to a computer, and the signal loop is conducted again after the signal blocking piece 23 is reset; when the button 1 is released, the elastic sheet 2 is reset, the other end of the movable part 22 is reset to touch the upper soft rubber bump 33, the principle is the same as that of the lower soft rubber bump 34, therefore, the movable part 22 is contacted with the upper soft rubber bump 33 to generate no sound, the mute effect is achieved, the signal blocking piece 23 does not block the signal transmission between the signal sending component and the signal receiving component, and then the signal loop is conducted again. The signal loop of the light micro-switch-on light is set to be in a always-on state, and then by blocking the signal loop which is already connected, noise generated when the signal loop is connected can be reduced, so that the response can be more sensitive, and the condition of signal omission caused by double click is also reduced; in addition, the signaling component 5 and the receiving component 6 are arranged in the cavity 35 of the base 3, so that the signaling component 5 and the receiving component 6 can be protected, and the signaling component 5 or the receiving component 6 cannot be touched in the process of conducting or blocking a signal loop, so that the signaling component 5 and the receiving component 6 are not easy to damage, and the service life of the optical microswitch can be effectively prolonged; in addition, the soft rubber material of the upper soft rubber bump 33 and the lower soft rubber bump 34 is arranged, so that the elastic sheet 2 does not produce sound during movement, and the application range of the optical microswitch provided by the embodiment is wider.

In the mute optical microswitch provided by this embodiment, as shown in fig. 2 and fig. 8, the signaling component 5 includes a first signal transceiver mirror 51 and a transmitting diode 52, the first signal transceiver mirror 51 is located above the transmitting diode 52 and is in signal connection with the transmitting diode 52; the signal receiving assembly 6 comprises a second signal transmitting and receiving mirror 61 and a receiving diode 62, wherein the second signal transmitting and receiving mirror 61 is positioned above the receiving diode 62 and is in signal connection with the receiving diode 62.

Specifically, the emitting diode 52 and the receiving diode 62 preferably employ an infrared emitting tube and an infrared receiving tube, and the first signal transmitting and receiving mirror 51 and the second signal transmitting and receiving mirror 61 are both light guiding mirrors capable of refracting signals. In operation, as shown in fig. 8, the emitting diode 52 emits a signal, transmits the signal through the first signal transceiver 51, receives and transmits the signal through the second signal transceiver 61, and finally receives the signal through the receiving diode 62 to form a conductive loop, when the signal blocking member 23 moves between the first signal transceiver 51 and the second signal transceiver 61, the signal transmission is blocked, so that the loop is broken, and at this time, a signal is sent to the computer to complete the signal sending function; when the signal blocking member 23 is removed, the signal loop among the emitting diode 52, the first signal transmission mirror, the second signal transmission mirror and the receiving diode 62 is turned on again. The emitting diode 52 and the receiving diode 62 are used to form a signal loop, and the emitting diode 52 and the receiving diode 62 have signal transmission life as long as hundreds of millions, do not generate signal difference, and have less noise of transmission signals, so that the omission of switching signals can be effectively reduced, and the error transmission of signals is not easy to occur.

In the mute light microswitch provided by this embodiment, as shown in fig. 2 and 7, the PCB 4 is further provided with a light emitting LED7, and the light emitting LED7 is disposed in the cavity 35.

Specifically, a light-emitting LED7 is installed in the cavity 35, when the light microswitch is connected to a power supply, the light-emitting LED7 lights, and when the power supply is not disconnected, the light-emitting LED7 keeps a normally-on state, so as to indicate that the light microswitch is in an operating state.

As shown in fig. 2, 3, 4, 7 and 8, the signal blocking member 23 includes a horizontal portion 231 and a vertical portion 232, the horizontal portion 231 is connected to the movable portion 22, and the vertical portion 232 is vertically connected to the horizontal portion 231.

Specifically, the horizontal portion 231 of the signal blocking member 23 is an extension of the movable portion 22, and the vertical portion 232 is connected to the edge of the horizontal portion 231, although the vertical portion 232 may be connected to the middle portion or other positions of the horizontal portion 231, and the vertical portion 232 moves down to be located between the signaling component 5 and the receiving component 6, so as to block the signal transmission.

As shown in fig. 2 and 5 to 8, a first solder leg 81 and a second solder leg 8282 are detachably mounted at two ends of the base 3, respectively, the first solder leg 81 is T-shaped, a first T-shaped groove 38 for mounting the first solder leg 81 is formed in the base 3, the second solder leg 82 includes a bent portion 821 and a T-shaped portion 822, the bent portion 821 is connected to the top of the T-shaped portion 822, and a second T-shaped groove 39 for mounting the T-shaped portion 822 is formed in the base 3; the PCB 4 is provided with a plurality of soldering holes 41 for mounting the first and

second solder tails

81 and 82. The base 3 is provided with a groove 36 for installing the lower soft rubber bump 34, and the upper soft rubber bump 33 is sleeved on the bending part 821 of the second welding foot 82.

Specifically, during installation, the first solder leg 81 is assembled into the first T-shaped groove 38, the bottom of the first solder leg 81 penetrates through the first T-shaped groove 38 and is installed in the solder hole 41 of the PCB 4, and the first solder leg 81 can be connected with the PCB 4 by soldering; the second solder leg 82 is assembled in the second T-shaped groove 39, the bottom of the second solder leg 82 penetrates through the second T-shaped groove 39 and is arranged in the welding hole 41 of the PCB 4, and the second solder leg 82 can be connected with the PCB 4 by welding. First T-shaped slot 38 and second T-shaped slot 39 prevent first fillet 81 and second fillet 82 from sliding out of base 3. The groove 36 is arranged to facilitate the disassembly and assembly of the lower soft rubber bump 34, and the upper soft rubber bump 33 is sleeved on the bending part 821 to facilitate the disassembly and assembly of the upper soft rubber bump 33.

In the mute optical microswitch provided by this embodiment, the first fixing bracket 31 and the second fixing bracket 32 are both made of plastic material.

Specifically, since the signal loop of the present embodiment is completed by the signal assembly 5 and the signal assembly 6, the first fixing bracket 31 and the second fixing bracket 32 are only used for fixing the elastic piece 2, and the first fixing bracket 31 and the second fixing bracket 32 are made of plastic material, so that the whole base 3 is lighter in weight, and the plastic material is less prone to oxidation or other problems that may occur to metal parts, is more stable in material usage, and is low in cost.

As shown in fig. 5 and fig. 6, in the mute optical microswitch provided in this embodiment, the first fixing bracket 31 is provided with a first V-shaped groove 311, the second fixing bracket 32 is provided with a second V-shaped groove 321, and the movable portion 22 of the elastic sheet 2 is provided with a first mounting hole 221 and a second mounting hole 222 at intervals; a first bayonet 223 is arranged at one end of the first mounting hole 221, which is far away from the second mounting hole 222, a second bayonet 224 is arranged at one end of the fixed part 21, and the other end of the fixed part 21 is connected to the movable part 22; the first fixing bracket 31 is assembled in the first mounting hole 221, the first bayonet 223 is assembled in the first V-shaped groove 311, the fixing portion 21 is disposed below the second mounting hole 222, the second bayonet 224 is assembled in the second V-shaped groove 321, and the second fixing bracket 32 is assembled in the second mounting hole 222 when the movable portion 22 moves downward.

Specifically, the movable portion 22 is sleeved outside the first fixing frame 31 through the first mounting hole 221, the movable portion 22 is sleeved outside the second fixing frame 32 through the second mounting hole 222, the first bayonet 223 is installed in the first V-shaped groove 311, and the second bayonet 224 is installed in the second V-shaped groove 321, so that one end of the movable portion 22 is fixed on the first fixing frame 31, and the fixing portion 21 is fixed on the second fixing frame 32, thereby preventing the displacement of the elastic sheet 2.

The light micro-gap switch of silence that this embodiment provided, as fig. 2, light micro-gap switch still includes enclosing cover 9, the both sides of base 3 all are equipped with spacing fixture block 37, the both sides of enclosing cover 9 all are equipped with the spacing groove 91 that is used for assembling spacing fixture block 37, the mounting groove 92 that is used for installation button 1 is seted up at the top of enclosing cover 9.

Specifically, cover base 3 with enclosing cover 9 to make spacing fixture block 37 assemble spacing inslot 91, thereby with enclosing cover 9 and base 3 fixed connection, enclosing cover 9 can protect base 3 and shell fragment 2 to be difficult to receive the damage.

According to the mouse provided by the embodiment, the left key and the right key of the mouse comprise the keys of the roller, and the optical micro switches are adopted to transmit and send signals, so that the mouse has better stability, more accurate signal transmission and longer service life.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention is disclosed in the preferred embodiment, it is not limited to the above description, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, but all the technical solutions of the present invention are within the scope of the present invention.

Claims

1. The utility model provides a light micro-gap switch of silence, includes button, shell fragment, base and PCB board, the base can be dismantled with the PCB board and be connected, the shell fragment includes fixed part and movable part, the button is located the top of movable part, the base facial make-up is equipped with first fixed bolster and second fixed bolster, the one end and the first fixed bolster sliding connection of movable part, the one end and the movable part of fixed part are connected, the other end and the second fixed bolster joint of fixed part, its characterized in that: the base is detachably provided with an upper soft rubber bump and a lower soft rubber bump, the upper soft rubber bump is positioned above the lower soft rubber bump, and the other end of the movable part is arranged between the upper soft rubber bump and the lower soft rubber bump; the PCB signal transmitting and receiving device is characterized in that a containing cavity is formed in the base, a signal transmitting component used for transmitting signals and a signal receiving component used for receiving signals transmitted by the signal transmitting component are arranged in the containing cavity, the signal transmitting component and the signal receiving component are both mounted on a PCB, a signal loop is formed between the signal transmitting component and the signal receiving component, the signal transmitting component and the signal receiving component are arranged at intervals, a signal blocking component is convexly arranged at the other end of the movable portion, and when the movable portion is in contact with the lower soft rubber bump, the signal blocking component is located between the signal transmitting component and the signal receiving component and blocks transmitting signals of the signal transmitting component.

2. A silent optical microswitch as in claim 1 wherein: the signaling component comprises a first signal transceiver mirror and a transmitting diode, wherein the first signal transceiver mirror is positioned above the transmitting diode and is in signal connection with the transmitting diode; the signal receiving assembly comprises a second signal transmitting and receiving mirror and a receiving diode, and the second signal transmitting and receiving mirror is located above the receiving diode and is in signal connection with the receiving diode.

3. A silent optical microswitch as in claim 1 wherein: the PCB is also provided with a luminous LED which is arranged in the containing cavity.

4. A silent optical microswitch as in claim 1 wherein: the signal blocking member includes a horizontal portion connected to the movable portion and a vertical portion vertically connected to the horizontal portion.

5. A silent optical microswitch as in claim 1 wherein: the welding device comprises a base, a first welding leg and a second welding leg, wherein the two ends of the base are respectively detachably provided with the first welding leg and the second welding leg, the first welding leg is T-shaped, a first T-shaped groove used for assembling the first welding leg is formed in the base, the second welding leg comprises a bending part and a T-shaped part, the bending part is connected to the top of the T-shaped part, and a second T-shaped groove used for assembling the T-shaped part is formed in the base; and the PCB is provided with a plurality of welding holes for assembling the first welding feet and the second welding feet.

6. A silent optical microswitch as in claim 5, wherein: the base is provided with a groove for installing the lower soft rubber bump, and the bending part of the second welding leg is sleeved with the upper soft rubber bump.

7. A silent optical microswitch as in claim 1 wherein: the first fixing support and the second fixing support are made of plastic materials.

8. A silent optical microswitch as in claim 7, wherein: the first fixing support is provided with a first V-shaped groove, the second fixing support is provided with a second V-shaped groove, and the movable part of the elastic sheet is provided with a first mounting hole and a second mounting hole at intervals; a first bayonet is arranged at one end of the first mounting hole, which is far away from the second mounting hole, a second bayonet is arranged at one end of the fixed part, and the other end of the fixed part is connected with the movable part; the first fixing support is assembled in the first mounting hole, the first bayonet is assembled in the first V-shaped groove, the fixing portion is arranged below the second mounting hole, the second bayonet is assembled in the second V-shaped groove, and the second fixing support is assembled in the second mounting hole when the movable portion moves downwards.

9. A silent optical microswitch as in claim 1 wherein: the light micro-gap switch still includes the enclosing cover, the both sides of base all are equipped with spacing fixture block, the both sides of enclosing cover all are equipped with the spacing groove that is used for assembling spacing fixture block, the mounting groove that is used for the installation button is seted up at the top of enclosing cover.

10. A mouse, characterized by: comprising an optical microswitch according to any one of claims 1 to 9.