CN211742994U - High-stability photoelectric key - Google Patents

Abstract

The utility model belongs to the technical field of the button technique and specifically relates to indicate a photoelectric type button of high stability. The base is provided with light emitting element, receiving element and with at least two leaded light passageways of light emitting element and receiving element intercommunication, press the subassembly including moving down and penetrate and block the linkage piece of leaded light passageway. When the photoelectric key is used for a long time, particularly when the environment is complex, particle impurities such as dust and the like easily enter the light guide channel after the photoelectric key is used for a long time, and once the light emitted by the light emitting element is blocked by the foreign matters in the light guide channel, the receiving element is difficult to accurately and sensitively receive and react. After the light guide channels communicated between the light emitting element and the receiving element are at least two, the condition that foreign matters appear in a single light guide channel to cause abnormal input can be effectively prevented, when the foreign matters appear in one light guide channel, the receiving element approves that light rays are received from other light guide channels to react, normal input is kept, the service life of a product is prolonged, and the safety and the reliability are improved.

Description

High-stability photoelectric key

Technical Field

The utility model belongs to the technical field of the button technique and specifically relates to indicate a photoelectric type button of high stability.

Background

A mechanical keyboard is a common keyboard, and each key has a separate switch to control the closing. The mechanical keyboard is always taken as a representative of a high-end product and is popular with more and more computer users and game players, a switch generally adopted is a metal material contact type mechanical key switch, the switch is switched on and off by whether metal material contacts of a static pressure plate and a dynamic pressure plate which are arranged in a shell are mutually contacted, and in the displacement process of pressing a press handle of the mechanical switch, the metal material contact on the dynamic pressure plate meets the metal material contact of the static pressure plate to realize the conduction of the mechanical switch; when the pressing handle of the mechanical switch is released, the dynamic pressure plate is restored to the original position under the action of the elasticity of the spring, and the metal material contact of the dynamic pressure plate is separated from the metal material contact on the static pressure plate, so that the disconnection of the mechanical switch is realized. By adopting the scheme, the metal contact of the mechanical switch is easy to damage, because the elasticity of the dynamic pressure plate is greatly different from the original state along with the increase of the use times in the process of pressing the key, the state that the metal contact is insensitive to contact or cannot be conducted is easy to cause, the service life is limited, and troubles are caused to a user.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a photoelectric type button of high stability, the linkage piece reciprocates switching on and breaking off of control light emitting component and receiving element and reaches the input purpose, adopts two at least light guide channel to prevent that single light guide channel from unusual button unable normal use appearing, for example dust debris get into light guide channel and lead to the unable accurate sensitive receiving recognition of receiving element.

In order to solve the technical problem, the utility model discloses a following technical scheme: the photoelectric key comprises a base, an upper shell arranged on the upper side face of the base and a pressing component arranged on the base and penetrating out of the upper shell, wherein the base is provided with a light-emitting element, a receiving element and at least two light guide channels for communicating the light-emitting element with the receiving element, and the pressing component comprises a linkage block which moves downwards to penetrate into the light guide channels and block the light guide channels.

Preferably, the base is provided with two mounting grooves, the light emitting element and the receiving element are respectively arranged in the two mounting grooves, and the two mounting grooves are communicated through the light guide channel.

Preferably, the base is provided with a hollow limiting guide pillar, two mounting grooves are formed in two sides of the base limiting guide pillar, two light guide channels are arranged in two sides of the limiting guide pillar respectively, and the light guide channels are formed by grooves extending inwards from the lower side of the base.

Preferably, the mounting grooves are internally provided with light guide blocks, one side face of each light guide block is connected with an opening of the light guide channel communicated with the side wall of the mounting groove, the other side face of each light guide block is connected with the light emitting element or the receiving element, and one side face of each light guide block, which is connected with the light emitting element or the receiving element, is an arc-shaped face.

Preferably, the pressing component comprises a shaft body, an elastic part and a metal elastic sheet, wherein one end of the elastic part is abutted to the inner bottom surface of the shaft body and the other end of the elastic part is abutted to the base, the metal elastic sheet is arranged on one side of the base, the linkage block is connected to the shaft body and moves up and down together with the shaft body, and the side edge of the lower side surface of the linkage block is provided with a plug-in guide post part which protrudes downwards and.

The beneficial effects of the utility model reside in that: the utility model provides a photoelectric type button of high stability, in the in-service use, photoelectric type button is in long-time use, especially under the comparatively complicated circumstances of environment long-time use appear granule debris such as dust easily enter into the light guide channel, in case the light that light guide channel appeared the foreign matter and blockked the light that light emitting component emitted, receiving element just is difficult to accurate sensitive receipt and reacts, finally lead to the input unusual, light then need input many times, the condition that heavy then directly can not use often takes place. After the light guide channels communicated between the light emitting element and the receiving element are at least two, the condition that foreign matters appear in a single light guide channel to cause abnormal input can be effectively prevented, when the foreign matters appear in one light guide channel, the receiving element approves that light rays are received from other light guide channels to react, normal input is kept, the service life of a product is prolonged, and the safety and the reliability are improved.

Drawings

Fig. 1 is a schematic view of the combined three-dimensional structure of the present invention.

Fig. 2 is a schematic view of the combined side structure of the utility model.

Fig. 3 is a schematic view of the three-dimensional structure of the utility model after the bottom plate of the connection base is removed.

Fig. 4 is a schematic view of the three-dimensional structure of the lower side surface of the base of the present invention.

Fig. 5 is an exploded view of the three-dimensional structure of the middle base and the pressing assembly of the present invention.

Detailed Description

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

As shown in fig. 1 to 5, a high-stability photoelectric key includes a base 1, an upper housing 2 installed on an upper side surface of the base 1, and a pressing component installed on the base 1 and penetrating out of the upper housing 2, wherein the base 1 is provided with a light emitting element 3, a receiving element 4, and at least two light guide channels 5 communicating the light emitting element 3 and the receiving element 4, and the pressing component includes a linkage block 6 moving downward and penetrating into the light guide channels 5 and blocking the light guide channels 5.

The photoelectric type button of the high stability of this embodiment, in the in-service use process, photoelectric type button is in long-time use, especially under the comparatively complicated circumstances of environment long-time use appear granule debris such as dust easily enter into light guide channel 5, light guide channel 5 in case the foreign matter appears blocks the light that light emitting component 3 emitted, receiving element 4 just is difficult to accurate sensitive receipt and reacts, finally lead to the input unusual, light then need a lot of input, heavy then the condition that directly can not use often takes place. After the light guide channels 5 communicated between the light emitting element 3 and the receiving element 4 are at least two, the condition that foreign matters appear in a single light guide channel 5 to cause abnormal input can be effectively prevented, when the foreign matters appear in one light guide channel 5, the receiving element 4 recognizes that light rays received from the other light guide channels 5 react, normal input is kept, and the service life and the safety and reliability of a product are increased.

In this embodiment, the base 1 is provided with two mounting grooves 11, the light emitting element 3 and the receiving element 4 are respectively disposed in the two mounting grooves 11, and the two mounting grooves 11 are communicated with each other through the light guide channel 5. Install light emitting component 3 and receiving element 4 respectively through two mounting grooves 11, then use light guide channel 5 to communicate the lateral wall of two mounting grooves 11 to realize the light conduction, the increase of the light guide channel 5 quantity of being convenient for is laid, need not redesign structure, and the practicality is strong.

In this embodiment, the base 1 is provided with a hollow limiting guide pillar 12 in a protruding manner on the lower side surface, two mounting grooves 11 are formed in the lower side surface of the base 1 and located on two sides of the limiting guide pillar 12, two light guide channels 5 are provided, the two light guide channels 5 are respectively arranged on two sides of the limiting guide pillar 12, and the light guide channels 5 are formed by grooves extending inwards from the lower side surface of the base 1. The protruding of spacing guide pillar 12 is the original structure of base 1, lets two mounting grooves 11 lay the easy laying of light emitting component 3 and receiving element 4 in the both sides of the protruding spacing guide pillar 12 of base 1 downside respectively, and the position of two leaded light passageways 5 of also being convenient for simultaneously is laid, and the manufacturing and assembling degree of difficulty is low.

In this embodiment, the light guide block 7 is installed in the installation groove 11, one side of the light guide block 7 is connected to the opening of the side wall of the installation groove 11 communicated with the light guide channel 5, the other side of the light guide block 7 is connected to the light emitting element 3 or the receiving element 4, and one side of the light guide block 7 connected to the light emitting element 3 or the receiving element 4 is an arc-shaped surface. The design of two light guide blocks 7 helps the light conduction effect between light emitting component 3 and receiving element 4, and the side of light guide block 7 is connected with the 11 lateral wall openings of mounting groove and is played the effect of plugging up simultaneously, has prevented the entering of particulate matters such as dust, has further strengthened conduction stability, and the practicality is strong.

In this embodiment, the pressing component includes the axis body 8, the elastic component 81 of 8 other ends butt bases 1 of one end butt axis body and installs in base 1 and be located the metal shrapnel 82 of axis body 8 one side, linkage block 6 is connected in the axis body 8 and together reciprocates with the axis body 8, and the side of 6 downside of this linkage block is provided with the grafting guide post part 61 that downward protrusion is used for penetrating light guide channel 5. Linkage block 6 and axis body 8 are through assembled joint and reciprocate along with axis body 8 together, and grafting guide post portion 61 can be a plurality of settings on linkage block 6 come to cooperate a plurality of light-directing channel 5, and the simple and easy equipment degree of difficulty of structure is low.

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship are based on the orientation or positional relationship shown in the drawings, and it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

The above-mentioned embodiments only express a plurality of embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (5)

1. Photoelectric type button of high stability, including base (1), install in last casing (2) of base (1) upper flank and install in base (1) and wear out the subassembly of pressing down of casing (2), its characterized in that: the base (1) is provided with light emitting element (3), receiving element (4) and with at least two light guide channel (5) of light emitting element (3) and receiving element (4) intercommunication, press the subassembly including move down and penetrate light guide channel (5) and block linkage piece (6) of light guide channel (5).

2. The high-stability photoelectric key of claim 1, wherein: the base (1) is provided with two mounting grooves (11), the light-emitting element (3) and the receiving element (4) are respectively arranged in the two mounting grooves (11), and the two mounting grooves (11) are communicated through the light guide channel (5).

3. The high-stability photoelectric key of claim 2, wherein: the base (1) downside protrusion is provided with hollow spacing guide pillar (12), and two mounting grooves (11) set up in the downside of base (1) and lie in the both sides of spacing guide pillar (12), light guide channel (5) are provided with two, and these two light guide channel (5) set up respectively in the both sides of spacing guide pillar (12), light guide channel (5) are formed by base (1) downside to the recess that extends inwards.

4. The high-stability photoelectric key of claim 2, wherein: all installed light guide block (7) in mounting groove (11), the opening part of this light guide block (7) and leaded light passageway (5) intercommunication mounting groove (11) lateral wall is connected, and the another side of light guide block (7) is connected with light emitting component (3) or receiving element (4), the side that light emitting component (3) or receiving element (4) are connected to light guide block (7) is the arcwall face.

5. The high-stability photoelectric key of claim 1, wherein: the pressing component comprises an axis body (8), an elastic piece (81) and a metal elastic piece (82), wherein the elastic piece (81) is abutted to the inner bottom surface of the base (1) and abutted to the other end of the axis body (8), the metal elastic piece (82) is arranged on one side, located on one side of the axis body (8), of the base (1), the linkage block (6) is connected with the axis body (8) and moves up and down together with the axis body (8), and a plug-in guide post part (61) protruding downwards and used for penetrating into the light guide channel (5) is arranged on the side.

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