CN213660252U

CN213660252U - Luminous membrane switch

Info

Publication number: CN213660252U
Application number: CN202022984603.3U
Authority: CN
Inventors: 蔡勇; 李海峰
Original assignee: Shanghai Xinlei Electronic Technology Co ltd
Current assignee: Shanghai Xinlei Electronic Technology Co ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-07-09
Anticipated expiration: 2030-12-10

Abstract

The utility model relates to a luminous membrane switch, which comprises a membrane switch and a luminous component; the top surface of the membrane switch is provided with a light-emitting component; the light-emitting component comprises a lamp tube, a power-on column, an electrode plate and a sealing cover; the top surface of the thin film switch is provided with a mounting groove, the bottom surface of the mounting groove is provided with a communicating groove, the top surface of the mounting groove is provided with a sealing groove, a lamp tube is slidably mounted in the mounting groove, the top surface of the lamp tube is fixedly connected with a sealing cover, the sealing cover is in sliding fit with the sealing groove, the bottom surface of the lamp tube is fixedly connected with an electrifying column, electrode plates are mounted on two sides of the electrifying column, and the electrifying column is in sliding fit with the communicating groove; realize the luminous of membrane switch, the quick convenient maintenance of staff of being convenient for is changed the fluorescent tube.

Description

Luminous membrane switch

Technical Field

The utility model relates to a membrane switch technical field especially relates to a membrane switch that can give out light.

Background

The membrane switch is an operation system integrating a key function, an indicating element and an instrument panel. The circuit board consists of four parts, including a panel, an upper circuit, an isolating layer and a lower circuit. When the membrane switch is pressed down, the contact of the upper circuit deforms downwards to be in contact with the polar plate of the lower circuit for conduction, after the finger is loosened, the contact of the upper circuit rebounds, the circuit is disconnected, and the loop triggers a signal. The membrane switch has the advantages of rigorous structure, attractive appearance and good sealing property. Has the characteristics of moisture resistance, long service life and the like. The method is widely applied to the fields of electronic communication and electronic measurement instruments, industrial control, medical equipment, automobile industry, intelligent toys, household appliances and the like.

The membrane switch who uses under the environment at night and dark has light emitting component usually, and the light emitting component of current luminous membrane switch installs in membrane switch's button bottom, uses for a long time and presses the button back repeatedly for light emitting component very easily damages, can only change whole membrane switch after light emitting component damages, seriously influences the use.

SUMMERY OF THE UTILITY MODEL

The utility model provides a problem lie in providing a membrane switch that can give out light, solved the membrane switch who uses under the environment of night and dark, have luminous component usually, the luminous component of current luminous membrane switch installs in membrane switch's button bottom, uses for a long time and presses the button back repeatedly for luminous component very easily damages, can only change whole membrane switch after luminous component damages, seriously influences the technical problem who uses.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a luminous membrane switch comprises a membrane switch and a luminous component; the top surface of the membrane switch is provided with a light-emitting component;

the light-emitting component comprises a lamp tube, a power-on column, an electrode plate and a sealing cover; the utility model discloses a lamp tube, including membrane switch, mounting groove, seal groove, sealed lid and sealed groove sliding fit, the mounting groove is seted up to membrane switch's top surface, the intercommunication groove is seted up to the bottom surface of mounting groove, the seal groove is seted up to the top surface of mounting groove, the inside slidable mounting fluorescent tube of mounting groove, the sealed lid of top surface rigid coupling of fluorescent tube, sealed lid and seal groove sliding fit, the bottom surface rigid coupling of fluorescent tube connects the electric post, the electrode piece is installed to the.

Preferably, the inner wall of the communicating groove is provided with an electrode groove, an electrode buckle is rotatably arranged in the electrode groove, the back surface of the electrode buckle is fixedly connected with one end of a plurality of first springs, and the other end of each first spring is fixedly connected with the bottom surface of the electrode groove.

Preferably, the two sides of the electrifying column are provided with electrifying grooves, electrode plates are installed inside the electrifying grooves, elastic pieces are arranged at the positions, close to the openings of the electrifying grooves, of the electrode plates, and the elastic pieces of the electrode plates are communicated with the electrode buckles.

Preferably, the top surface both sides of sealed lid are seted up and are dialled the board groove, dial the one side that the board groove is close to sealed lid center and set up the spring groove, a plurality of fixed slots are respectively opened to the bottom surface of dialling the board groove and the lateral wall of seal groove, spring inslot portion slidable mounting push pedal, the back rigid coupling one end of second spring of push pedal, the other end of second spring and the back rigid coupling in spring groove, a plurality of push rods of bottom surface rigid coupling of push pedal, push rod and fixed slot sliding fit, the top surface rigid coupling baffle of push pedal.

Preferably, the side surface of the mounting groove is provided with a plurality of light guide grooves, and the light guide grooves are formed to the bottom of the button of the membrane switch.

Preferably, the number of the light guide grooves is four, and the light guide grooves are uniformly arranged on the side surface of the mounting groove in a surrounding mode.

The utility model has the advantages that: the electrode plate is conductive, so that the lamp tube is electrified and shines, and the luminescence of the membrane switch is realized; the first spring pushes the projection of the electrode buckle to contact the electrode plate, so that the stability of circuit communication is improved, the failure rate of the lamp tube is reduced, and the cost is saved; the push plate is pushed to slide through the second spring, and the push rod is driven to slide in the fixing groove, so that the sealing cover is fixed in the sealing groove, the lamp tube is installed and fixed, and a worker can conveniently and quickly replace the damaged lamp tube;

light guide through the light guide grooves enables light emitted by the lamp tube to be guided into the bottom of the button of the membrane switch through the light guide grooves, illumination of the button of the membrane switch is achieved, usability of the membrane switch under the environment of night and darkness is improved, the light guide grooves are arranged simultaneously, the lamp tube can illuminate the buttons of the membrane switches, and production cost is reduced.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a front cross-sectional view of the present invention;

FIG. 3 is a side cross-sectional view of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 1 at A;

FIG. 5 is an enlarged view of a portion of FIG. 2 at B;

fig. 6 is an enlarged partial sectional view at C in fig. 2.

Illustration of the drawings:

1. a membrane switch; 2. a light emitting assembly; 201. mounting grooves; 202. a communicating groove; 203. a sealing groove; 204. a lamp tube; 205. a current-carrying column; 206. an electrode sheet; 207. a sealing cover; 208. an electrode tank; 209. an electrode buckle; 210. a first spring; 211. a current-carrying groove; 212. a plate shifting groove; 213. A spring slot; 214. fixing grooves; 215. pushing the plate; 216. a second spring; 217. a push rod; 218. a baffle plate; 219. a light guide groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Specific examples are given below.

Referring to fig. 1 to 6, a membrane switch capable of emitting light includes a membrane switch 1 and a light emitting assembly 2; the top surface of the membrane switch 1 is provided with a light-emitting component 2;

the light-emitting component 2 comprises a lamp tube 204, a power-on column 205, an electrode plate 206 and a sealing cover 207; the top surface of the membrane switch 1 is provided with a mounting groove 201, the bottom surface of the mounting groove 201 is provided with a communication groove 202, the top surface of the mounting groove 201 is provided with a sealing groove 203, a lamp tube 204 is slidably mounted in the mounting groove 201, the top surface of the lamp tube 204 is fixedly connected with a sealing cover 207, the sealing cover 207 is in sliding fit with the sealing groove 203, the bottom surface of the lamp tube 204 is fixedly connected with an electric pole 205, two sides of the electric pole 205 are provided with electrode plates 206, and the electric pole 205 is in sliding fit; the electrode plate 206 is conductive, so that the lamp tube 204 is electrified and shines, and the light emitting component 2 emits light; through mounting groove 201 installation fluorescent tube 204, circular telegram post 205 is accomodate in intercommunication groove 202, and sealed lid of seal groove 203 installation for fluorescent tube 204 installation is fixed in mounting groove 201, thereby has realized the convenient installation of fluorescent tube 204, and the staff of then being convenient for maintains and changes fluorescent tube 204, has practiced thrift the cost.

As an embodiment of the present invention, an electrode groove 208 is formed on the inner wall of the communicating groove 202, an electrode buckle 209 is rotatably installed inside the electrode groove 208, one end of a plurality of first springs 210 is fixedly connected to the back of the electrode buckle 209, and the other end of the first springs 210 is fixedly connected to the bottom surface of the electrode groove 208; the first spring 210 pushes the projection of the electrode buckle 209 to slide out of the electrode slot 208, so that the projection of the electrode buckle 209 is in contact with the electrode plate 206, thereby realizing the communication of the circuit, facilitating the installation and the disassembly, and being more beneficial to the replacement of the lamp tube 204 by the working personnel.

As an embodiment of the present invention, the two sides of the energizing column 205 are provided with energizing slots 211, the electrode plate 206 is installed inside the energizing slots 211, the opening of the electrode plate 206 close to the energizing slots 211 is an elastic sheet, and the elastic sheet of the electrode plate 206 is communicated with the electrode buckle 209; through the elastic sheet of electrode slice 206, electrode slice 206 has elasticity, thereby making electrode slice 206 and electrode buckle 209 contact inseparabler, then making the circuit more stable, improved the job stabilization nature of fluorescent tube 204.

As an embodiment of the present invention, the two sides of the top surface of the sealing cover 207 are provided with the plate-pulling groove 212, one surface of the plate-pulling groove 212, which is close to the center of the sealing cover 207, is provided with the spring groove 213, the bottom surface of the plate-pulling groove 212 and the side wall of the sealing groove 203 are respectively provided with a plurality of fixing grooves 214, the inside of the spring groove 213 is slidably provided with the push plate 215, the back surface of the push plate 215 is fixedly connected with one end of the second spring 216, the other end of the second spring 216 is fixedly connected with the back surface of the spring groove 213, the bottom surface of the push plate 215 is fixedly connected with a plurality of push rods 217; the push plate 215 is pushed to slide by the second spring 216, the push rod 217 is driven to slide in the fixing groove 214, the sealing cover 207 is fixed in the sealing groove 203, and therefore the lamp tube 204 can be fixedly installed, and then a worker can conveniently and quickly replace the damaged lamp tube 204.

As an embodiment of the present invention, a plurality of light guide grooves 219 are formed on the side surface of the mounting groove 201, and the light guide grooves 219 are formed to the bottom of the button of the membrane switch 1; the light guide through the light guide groove 219 enables the light emitted by the lamp tube 204 to be guided into the bottom of the button of the membrane switch 1 through the light guide groove 219, so that the illumination of the button of the membrane switch 1 is realized, and the applicability of the membrane switch 1 in the dark and night environment is improved.

As an embodiment of the present invention, the number of the light guide grooves 219 is four, and the light guide grooves are uniformly arranged around the side surface of the mounting groove 201; through the four light guide grooves 219, one light tube 204 can illuminate the buttons of the four membrane switches 1, so that the utilization rate of the light tube 204 is improved, and the production cost is reduced.

When the membrane switch is used, the electrode buckle 209 is contacted with the electrode plate 206 to form a loop with the lamp tube 204, the lamp tube 204 is electrified to emit light, and the light is guided into the bottom of the button of the membrane switch 1 through the light guide groove 219 to illuminate the button of the membrane switch 1;

when the lamp 204 is damaged, the push plate 215 is pulled to slide to the bottom of the spring groove 213, so that the second spring 216 is compressed, the push rod 217 is driven to slide in the fixing groove 214 formed in the sealing cover 207, the sealing cover 207 is pulled outwards, the lamp 204 is driven to slide out of the mounting groove 201, the electrifying column 205 is driven to slide upwards, the electrode plate 206 is driven to leave the contact of the electrode buckle 209, the first spring 210 is reset, and the electrode buckle 209 is pushed to reset;

after a new lamp tube 204 is replaced, the power-on column 205 is inserted into the communicating groove 202 to drive the electrode plate 206 to contact the electrode buckle 209, the first spring 210 is pushed to compress, the electrode plate 206 is pressed by the pushing electrode buckle 209 when the first spring 210 is in attack, the push plate 215 is pushed to drive the push rod 217 to slide into the fixing groove 214 formed in the sealing cover 207, after the sealing cover 207 is installed in the sealing groove 203, the push plate 215 is loosened, the second spring 216 is reset, the push rod 217 is pushed to slide into the fixing groove 214 on the side surface of the sealing groove 203, and the light-emitting component 2 is installed and fixed; the lamp tube 204 can be quickly and conveniently mounted, so that workers can conveniently maintain and replace the lamp tube 204, and the cost is saved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A membrane switch capable of emitting light is characterized by comprising a membrane switch (1) and a light-emitting component (2); the top surface of the membrane switch (1) is provided with a light-emitting component (2);

the light-emitting component (2) comprises a lamp tube (204), a power-on column (205), an electrode plate (206) and a sealing cover (207); mounting groove (201) is seted up to the top surface of membrane switch (1), intercommunication groove (202) is seted up to the bottom surface of mounting groove (201), seal groove (203) is seted up to the top surface of mounting groove (201), inside slidable mounting fluorescent tube (204) of mounting groove (201), the sealed lid (207) of top surface rigid coupling of fluorescent tube (204), sealed lid (207) and seal groove (203) sliding fit, the bottom surface rigid coupling of fluorescent tube (204) connects electric column (205), electrode slice (206) are installed to the both sides of circular telegram column (205), circular telegram column (205) and intercommunication groove (202) sliding fit.

2. The light-emitting membrane switch according to claim 1, wherein an electrode groove (208) is formed in an inner wall of the communication groove (202), an electrode buckle (209) is rotatably installed in the electrode groove (208), one end of a plurality of first springs (210) is fixedly connected to a back surface of the electrode buckle (209), and the other end of the first springs (210) is fixedly connected to a bottom surface of the electrode groove (208).

3. The membrane switch of claim 1, wherein the two sides of the power-on post (205) are provided with power-on slots (211), an electrode plate (206) is installed inside the power-on slots (211), the opening of the electrode plate (206) close to the power-on slots (211) is an elastic plate, and the elastic plate of the electrode plate (206) is communicated with the electrode buckle (209).

4. The light-emitting membrane switch according to claim 1, wherein two sides of the top surface of the sealing cover (207) are provided with a plate pulling groove (212), one surface of the plate pulling groove (212) close to the center of the sealing cover (207) is provided with a spring groove (213), the bottom surface of the plate pulling groove (212) and the side wall of the sealing groove (203) are respectively provided with a plurality of fixing grooves (214), the spring groove (213) is internally provided with a push plate (215) in a sliding manner, the back surface of the push plate (215) is fixedly connected with one end of a second spring (216), the other end of the second spring (216) is fixedly connected with the back surface of the spring groove (213), the bottom surface of the push plate (215) is fixedly connected with a plurality of push rods (217), the push rods (217) are in sliding fit with the fixing grooves (214), and the top surface of the push plate (.

5. The membrane switch capable of emitting light according to claim 1, wherein a plurality of light guide grooves (219) are formed on the side surface of the mounting groove (201), and the light guide grooves (219) are formed to the bottom of the button of the membrane switch (1).

6. The membrane switch as claimed in claim 5, wherein the number of the light guide grooves (219) is four, and the light guide grooves are uniformly arranged around the side surface of the mounting groove (201).