CN215300608U - Mute type optical microswitch - Google Patents
Mute type optical microswitch Download PDFInfo
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- CN215300608U CN215300608U CN202120776855.9U CN202120776855U CN215300608U CN 215300608 U CN215300608 U CN 215300608U CN 202120776855 U CN202120776855 U CN 202120776855U CN 215300608 U CN215300608 U CN 215300608U
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Abstract
The utility model relates to a silence type light micro-gap switch, including upper cover, base, button, shell fragment, the piece that is in the light, IR lamp, PT lamp, the upper cover encloses into the cavity with the base, the button orders about the piece that is in the light through the shell fragment and gets into or leave the clearance of IR lamp and PT lamp, the upper cover is provided with the upper noise elimination pad, the upper noise elimination pad is located the shell fragment top and is used for reducing the impact sound that the shell fragment went upward, the base is provided with the lower noise elimination pad, the lower noise elimination pad is used for reducing the descending impact sound of shell fragment. The utility model provides a silence type light micro-gap switch through two amortization pads, can greatly reduced shell fragment go upward with down the strike sound that sends when acting, the silence is effectual.
Description
Technical Field
The utility model relates to a micro-gap switch field especially relates to a mute light micro-gap switch.
Background
The optical microswitch is a new type mouse switch in recent years, and utilizes optical principle and optical coupling technique, and the light-emitting element and light-receiving element form optical channel, and the light-resisting element can be used for actuating optical coupler in the course of cutting off and closing optical path, and changing circuit impedance value to implement on-off of circuit so as to implement electro-optic-electric conversion, and can control open circuit and channel of switch, and the photoelectric signals can be mutually isolated between input and output. In order to realize the same or similar hand feeling as that of a mechanical microswitch, the optical microswitch is usually added with an elastic sheet structure inside, a light blocking block is driven by the elastic sheet to move up and down to trigger the switch, but the addition of the elastic sheet can easily generate impact sound, so that silence cannot be realized, and improvement is urgently needed.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a mute type light micro-gap switch through two amortization pads, can greatly reduced shell fragment go upward with down the striking sound that sends when acting, the silence is effectual.
The purpose of the utility model is realized through the following technical scheme:
a mute type optical microswitch comprises an upper cover, a base, a button, an elastic sheet, a light blocking block, an IR lamp and a PT lamp, wherein the upper cover and the base enclose a cavity, the button drives the light blocking block to enter or leave a gap between the IR lamp and the PT lamp through the elastic sheet, an upper silencing pad is arranged on the upper cover, is positioned above the elastic sheet and is used for reducing the impact sound of the upward movement of the elastic sheet, a lower silencing pad is arranged on the base and is used for reducing the impact sound of the downward movement of the elastic sheet.
Preferably, the upper silencing pad is arranged on the lower surface of the upper cover, the elastic sheet upwards impacts the upper silencing pad to prevent the elastic sheet from impacting the upper cover to produce sound, and the upper silencing pad is connected with the upper cover in a riveting or injection molding or pasting mode.
Preferably, the upper silencing pad comprises an upper silencing block and an upper bulge, the upper silencing block and the upper bulge are integrally formed, the upper silencing block is attached to the lower surface of the upper cover, and the elastic sheet upwards impacts the upper bulge.
Preferably, the light blocking block comprises a light blocking column and a guide column connected with the light blocking column, the guide column is in contact with the elastic sheet, a light blocking groove matched with the light blocking column and a guide groove matched with the guide column are formed in the base, and the IR lamp and the PT lamp are arranged on two opposite sides of the light blocking groove.
Preferably, the lower amortization pad is installed in the guide way bottom, down the amortization pad restriction guide post down stroke in order to avoid the shell fragment to strike the base sound production, the lower amortization pad is connected with the guide way bottom through riveting or moulding plastics or pasting or interference connection, or the guide way bottom is directly put into to the lower amortization pad.
Preferably, the lower noise reduction pad comprises a lower noise reduction block and a lower protrusion, the lower noise reduction block and the lower protrusion are integrally formed, the lower noise reduction block is attached to the bottom surface of the guide groove, and the guide column moves downwards to contact with the lower protrusion.
Preferably, be provided with the amortization groove on the base, the amortization groove is located the guide way by side, the amortization pad is installed at the amortization groove and is filled up local salient in amortization groove top down, the shell fragment strikes in amortization pad department down in order to avoid the shell fragment to strike the base phonation down, the amortization pad is connected with the amortization groove through riveting or mould plastics or paste or interference connection's mode down, or the amortization pad is directly put into the amortization groove down.
Preferably, the lower noise reduction pad comprises a lower noise reduction block and a lower protrusion, the lower noise reduction block and the lower protrusion are integrally formed, the lower noise reduction block is attached to the bottom surface of the guide groove, and the guide column moves downwards to contact with the lower protrusion.
Preferably, a common terminal and an assembly auxiliary upper terminal are further arranged in the cavity.
The utility model discloses compare in prior art's beneficial effect and be:
the utility model discloses a silence type light micro-gap switch through two amortization pads, can greatly reduced shell fragment go upward with down the strike sound that sends when acting, the silence is effectual. Specifically, the upper cover lower surface is provided with the upper silencing pad, and the shell fragment goes upward to contact with the upper silencing pad and strikes in upper silencing pad department, because the upper silencing pad material has the amortization characteristic, the impact sound that shell fragment and upper silencing pad striking and send is very little, and the light micro-gap switch outside is hardly hearable, builds good silence effect. The base is provided with a lower silencing pad, and the position of the lower silencing pad has two setting schemes; one is that the lower silencing pad is contacted with the elastic sheet, the elastic sheet does not directly impact on the base when moving downwards, but impacts with the lower silencing pad, and the descending impact sound of the elastic sheet is reduced by utilizing the silencing characteristic of the upper silencing pad, so that silencing is realized; the second mode is that the stroke of the light blocking block is limited by the lower sound-deadening pad, so that the elastic sheet is prevented from colliding with the base when moving downwards, the lower sound-deadening pad is made of a material with sound-deadening property, the collision sound of the light blocking block and the lower sound-deadening pad is extremely small, the light micro switch can hardly hear the outside, and a good sound-deadening effect is created.
Drawings
Fig. 1 is an exploded view of a mute type optical microswitch according to embodiment 1 of the present invention.
Fig. 2 is a sectional view of a mute type optical microswitch according to embodiment 1 of the present invention.
Fig. 3 is a structural diagram of the upper cover in embodiment 1 of the present invention.
Fig. 4 is a structural diagram of a base in embodiment 1 of the present invention.
Fig. 5 is an exploded view of a mute optical microswitch according to embodiment 2 of the present invention.
Fig. 6 is a sectional view of a mute optical microswitch according to embodiment 2 of the present invention.
Fig. 7 is a structural diagram of an upper cover in embodiment 2 of the present invention.
Fig. 8 is a structural view of a base in embodiment 2 of the present invention.
Detailed Description
To facilitate understanding of those skilled in the art, the present invention will be described in further detail with reference to specific embodiments and drawings.
Referring to fig. 1-4, embodiment 1 of the present invention includes:
the utility model provides a mute light micro-gap switch, including upper cover 1, base 2, button 3, shell fragment 4, the piece that is in the light 5, IR lamp 6, PT lamp 7, upper cover 1 encloses into the cavity with base 2, button 3 orders about the piece that is in the light 5 through shell fragment 4 and gets into or leave the clearance of IR lamp 6 and PT lamp 7, upper cover 1 is provided with upper silencing pad 8, upper silencing pad 8 is located shell fragment 4 top and is used for reducing the striking sound that shell fragment 4 went upward, base 2 is provided with lower silencing pad 9, lower silencing pad 9 is used for reducing the striking sound that shell fragment 4 went downward.
The upper silencing pad 8 is arranged on the lower surface of the upper cover 1, the elastic sheet 4 upwards strikes the upper silencing pad 8 to prevent the elastic sheet 4 from striking the upper cover 1 to produce sound, and the upper silencing pad 8 is connected with the upper cover 1 in a riveting or injection molding or pasting mode. The upper silencing pad 8 comprises an upper silencing block 10 and an upper bulge 11, the upper silencing block 10 and the upper bulge 11 are integrally formed, the upper silencing block 10 is attached to the lower surface of the upper cover 1, and the elastic sheet 4 upwards impacts the upper bulge 11.
The light blocking block 5 comprises a light blocking column 12 and a guide column 13 connected with the light blocking column 12, the guide column 13 is in contact with the elastic sheet 4, a light blocking groove 14 matched with the light blocking column 12 and a guide groove 15 matched with the guide column 13 are formed in the base 2, and the IR lamp 6 and the PT lamp 7 are arranged on two opposite sides of the light blocking groove 14.
The lower silencing pad 9 is arranged at the bottom of the guide groove 15, the lower silencing pad 9 limits the downward stroke of the guide column 13 so as to prevent the elastic sheet 4 from knocking the base 2 to produce sound, the lower silencing pad 9 is connected with the bottom of the guide groove 15 in a riveting or injection molding or pasting or interference connection mode, or the lower silencing pad 9 is directly placed into the bottom of the guide groove 15. The lower sound-deadening pad 9 includes a lower sound-deadening block 16 and a lower projection 17, the lower sound-deadening block 16 and the lower projection 17 are integrally formed, the lower sound-deadening block 16 is fitted to the bottom surface of the guide groove 15, and the guide post 13 is moved downward to contact with the lower projection 17.
The chamber is also provided with a common terminal 22 and an assembly auxiliary upper terminal 23.
The mute type optical microswitch provided by the embodiment can greatly reduce the knocking sound generated when the elastic sheet moves upwards and downwards through the two silencing pads, and has a good mute effect. Specifically, the upper cover lower surface is provided with the upper silencing pad, and the shell fragment goes upward to contact with the upper silencing pad and strikes in upper silencing pad department, because the upper silencing pad material has the amortization characteristic, the impact sound that shell fragment and upper silencing pad striking and send is very little, and the light micro-gap switch outside is hardly hearable, builds good silence effect. The base is provided with the lower noise reduction pad, and the stroke of the light blocking block is limited by the lower noise reduction pad, so that the elastic sheet is prevented from colliding with the base when moving downwards, the lower noise reduction pad is made of noise reduction materials, the collision sound of the light blocking block and the lower noise reduction pad is extremely small, the light micro switch is almost inaudible to the outside, and a good noise reduction effect is created.
Referring to fig. 5 to 8, embodiment 2 of the present invention includes:
the utility model provides a mute light micro-gap switch, including upper cover 1, base 2, button 3, shell fragment 4, the piece that is in the light 5, IR lamp 6, PT lamp 7, upper cover 1 encloses into the cavity with base 2, button 3 orders about the piece that is in the light 5 through shell fragment 4 and gets into or leave the clearance of IR lamp 6 and PT lamp 7, upper cover 1 is provided with upper silencing pad 8, upper silencing pad 8 is located shell fragment 4 top and is used for reducing the striking sound that shell fragment 4 went upward, base 2 is provided with lower silencing pad 19, lower silencing pad 19 is used for reducing the striking sound that shell fragment 4 went downward.
The upper silencing pad 8 is arranged on the lower surface of the upper cover 1, the elastic sheet 4 upwards strikes the upper silencing pad 8 to prevent the elastic sheet 4 from striking the upper cover 1 to produce sound, and the upper silencing pad 8 is connected with the upper cover 1 in a riveting or injection molding or pasting mode. The upper silencing pad 8 comprises an upper silencing block 10 and an upper bulge 11, the upper silencing block 10 and the upper bulge 11 are integrally formed, the upper silencing block 10 is attached to the lower surface of the upper cover 1, and the elastic sheet 4 upwards impacts the upper bulge 11.
The light blocking block 5 comprises a light blocking column 12 and a guide column 13 connected with the light blocking column 12, the guide column 13 is in contact with the elastic sheet 4, a light blocking groove 14 matched with the light blocking column 12 and a guide groove 15 matched with the guide column 13 are formed in the base 2, and the IR lamp 6 and the PT lamp 7 are arranged on two opposite sides of the light blocking groove 14.
The base 2 is provided with a silencing groove 18, the silencing groove 18 is positioned beside the guide groove 15, the lower silencing pad 19 is arranged on the silencing groove 18, the part of the lower silencing pad 19 is partially protruded at the top of the silencing groove 18, the elastic sheet 4 downwards impacts the lower silencing pad 19 to prevent the elastic sheet 4 from impacting the base 2 to produce sound, the lower silencing pad 19 is connected with the silencing groove 18 in a riveting or injection molding or sticking or interference connection mode, or the lower silencing pad 19 is directly placed in the silencing groove 18. The lower sound-deadening pad 19 comprises a lower sound-deadening block 20 and a lower bulge 21, the lower sound-deadening block 20 and the lower bulge 21 are integrally formed, the lower sound-deadening block 20 is mutually attached to the bottom surface of the guide groove 15, and the guide column 13 descends to contact with the lower bulge 21.
The chamber is also provided with a common terminal 22 and an assembly auxiliary upper terminal 23.
The mute type optical microswitch provided by the embodiment can greatly reduce the knocking sound generated when the elastic sheet moves upwards and downwards through the two silencing pads, and has a good mute effect. Specifically, the upper cover lower surface is provided with the upper silencing pad, and the shell fragment goes upward to contact with the upper silencing pad and strikes in upper silencing pad department, because the upper silencing pad material has the amortization characteristic, the impact sound that shell fragment and upper silencing pad striking and send is very little, and the light micro-gap switch outside is hardly hearable, builds good silence effect. The base is provided with the lower silencing pad, the lower silencing pad can be in contact with the elastic sheet, the elastic sheet cannot directly impact the base downwards but impacts the lower silencing pad, and the descending impact sound of the elastic sheet is reduced by utilizing the silencing characteristic of the upper silencing pad, so that silencing is realized.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a mute light micro-gap switch, includes upper cover (1), base (2), button (3), shell fragment (4), light-blocking piece (5), IR lamp (6), PT lamp (7), upper cover (1) and base (2) enclose into the cavity, button (3) order about light-blocking piece (5) through shell fragment (4) and get into or leave the clearance of IR lamp (6) and PT lamp (7), its characterized in that, upper cover (1) is provided with upper silencing pad (8), upper silencing pad (8) are located shell fragment (4) top and are used for reducing shell fragment (4) impact sound of ascending, base (2) are provided with lower silencing pad (9), lower silencing pad (9) are used for reducing shell fragment (4) impact sound of descending.
2. The mute type optical microswitch according to claim 1, wherein the upper silencing pad (8) is mounted on the lower surface of the upper cover (1), the elastic sheet (4) upwards strikes against the upper silencing pad (8) to prevent the elastic sheet (4) from striking against the upper cover (1) to generate sound, and the upper silencing pad (8) is connected with the upper cover (1) through riveting or injection molding or pasting.
3. The mute type optical microswitch according to claim 2, wherein the upper silencing pad (8) comprises an upper silencing block (10) and an upper protrusion (11), the upper silencing block (10) and the upper protrusion (11) are integrally formed, the upper silencing block (10) is attached to the lower surface of the upper cover (1), and the elastic sheet (4) upwards impacts on the upper protrusion (11).
4. The mute type optical microswitch according to claim 1, 2 or 3, wherein the light blocking block (5) comprises a light blocking column (12) and a guide column (13) connected with the light blocking column (12), the guide column (13) is in contact with the elastic sheet (4), the base (2) is provided with a light blocking groove (14) matched with the light blocking column (12) and a guide groove (15) matched with the guide column (13), and the IR lamp (6) and the PT lamp (7) are arranged on two opposite sides of the light blocking groove (14).
5. The mute type optical microswitch according to claim 4, wherein the lower silencing pad (9) is mounted at the bottom of the guide groove (15), the lower silencing pad (9) limits the downward stroke of the guide column (13) to prevent the elastic sheet (4) from knocking the base (2) to sound, the lower silencing pad (9) is connected with the bottom of the guide groove (15) in a riveting or injection molding or sticking or interference connection mode, or the lower silencing pad (9) is directly placed at the bottom of the guide groove (15).
6. A mute type optical microswitch according to claim 5, wherein the lower mute pad (9) comprises a lower mute block (16) and a lower protrusion (17), the lower mute block (16) and the lower protrusion (17) are integrally formed, the lower mute block (16) is attached to the bottom surface of the guide slot (15), and the guide post (13) is in contact with the lower protrusion (17) in a downward direction.
7. The mute type optical microswitch according to claim 4, wherein a silencing groove (18) is arranged on the base (2), the silencing groove (18) is positioned beside the guide groove (15), the lower silencing pad is arranged on the silencing groove (18) and is locally protruded on the top of the silencing groove (18), the elastic sheet (4) downwards impacts on the lower silencing pad to prevent the elastic sheet (4) from impacting the base (2) to generate sound, the lower silencing pad is connected with the silencing groove (18) in a riveting or injection molding or pasting or interference connection mode, or the lower silencing pad is directly placed in the silencing groove (18).
8. The mute type optical microswitch according to claim 5, wherein the lower mute pad comprises a lower mute block and a lower projection which are integrally formed, the lower mute block is attached to a bottom surface of the guide groove (15), and the guide post (13) is in downward contact with the lower projection.
9. Mute optical microswitch according to claim 1, characterized in that a common terminal (22), an assembly auxiliary upper terminal (23) are also provided in the chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120776855.9U CN215300608U (en) | 2021-04-16 | 2021-04-16 | Mute type optical microswitch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120776855.9U CN215300608U (en) | 2021-04-16 | 2021-04-16 | Mute type optical microswitch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215300608U true CN215300608U (en) | 2021-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120776855.9U Active CN215300608U (en) | 2021-04-16 | 2021-04-16 | Mute type optical microswitch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215300608U (en) |
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2021
- 2021-04-16 CN CN202120776855.9U patent/CN215300608U/en active Active
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