CN210516559U

CN210516559U - Thin film switch

Info

Publication number: CN210516559U
Application number: CN201921758395.6U
Authority: CN
Inventors: 张爱民
Original assignee: Xiamen Mingcai Electronic Technology Co Ltd
Current assignee: Xiamen Mingcai Electronic Technology Co Ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-05-12
Anticipated expiration: 2029-10-18

Abstract

The utility model discloses a membrane switch relates to on-off control technical field. The technical key points are as follows: include by last panel, upper circuit layer, isolation layer, the lower circuit layer that sets gradually under to and install the LED lamp on the panel, be provided with on the panel with the communicating mouth of placing in upper circuit layer, the LED lamp sets up in placing the mouth, the LED lamp upper end is less than the upper surface of panel, it is provided with annular limit that is in the light on the inner wall to place mouthful, be provided with the lamp stand that is used for wrapping up LED lamp bottom in placing the mouth, the outer wall of lamp stand with the inner wall laminating of placing the mouth, be provided with the joint groove on the lateral wall of placing the mouth, be provided with on the lamp stand with the joint piece of joint groove looks gomphosis, the utility model has the advantages of leak protection light and cluster light.

Description

Thin film switch

Technical Field

The utility model relates to a switch control technical field, more specifically say, it relates to a membrane switch.

Background

The membrane switch is an operation system integrating a key function, an indicating element and an instrument panel. 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.

At present, a light-emitting film switch generally comprises a panel, an upper circuit layer, an isolation layer, a lower circuit layer and a plurality of LED lamps which are arranged on the panel side by side, and the LED lamps can play a role in indicating. However, in recent years, because the high-brightness LED lamp is widely used, when the LED lamp is turned on, two LED lamp windows at a close distance may be crossed with each other, which affects the use effect and the judgment of the user; and the LED lamp close to the edge has light leaking from the edge, which affects the use effect, so that the space to be improved is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a membrane switch, its advantage that has leak protection light and cluster.

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

the utility model provides a membrane switch, includes by last panel, last circuit layer, isolation layer, the lower circuit layer that sets gradually under to and installs the LED lamp on the panel, be provided with on the panel with go up the communicating mouth of placing in circuit layer, the LED lamp sets up in placing the mouth, LED lamp upper end is less than the upper surface of panel, it is provided with annular limit that is in the light on the inner wall of placing mouthful upper end, the limit that is in the light shelters from the upper end edge of LED lamp, it is provided with the lamp stand that is used for wrapping up LED lamp bottom to place in the mouth, the outer wall of lamp stand with place the inner wall laminating of mouth, be provided with the joint groove on the lateral wall of placing the mouth, be provided with on the lamp stand with the joint piece of joint groove looks gomphosis.

Through adopting above-mentioned technical scheme, when the installation LED lamp, earlier install the LED lamp in the lamp stand, install the lamp stand after that and place the mouth to make joint piece and joint groove looks gomphosis, accomplish the installation of LED lamp promptly. The bottom of the LED lamp is wrapped by the lamp holder, light can be prevented from leaking from the bottom, the upper end edge of the LED lamp is shielded by the light shielding edge, and the phenomenon that light is mixed between light sources on the two adjacent LED lamps can be avoided.

Furthermore, a lampshade used for sealing the placing opening is arranged on the panel.

Through adopting above-mentioned technical scheme, the setting of lamp shade can be protected the LED lamp, and avoids the LED lamp to be made dirty or damaged.

Furthermore, a reflective ring is arranged on the inner wall of the lampshade in a surrounding mode, and a reflective surface which is inclined towards the lower end of the center of the placing opening from the upper end of the inner wall of the lampshade is arranged on the inner wall of the reflective ring.

Through adopting above-mentioned technical scheme, the setting of reflection of light circle can be so that when the LED lamp is luminous, the light of LED lamp week side shines on the reflection of light face of reflection of light circle, and outside the lamp shade was reflected out from the reflection of light face again, the cluster light between two LED lamps has further been avoided.

Furthermore, a light blocking layer is arranged on the periphery of the inner wall of the lampshade.

Through adopting above-mentioned technical scheme, under the effect that the layer that is in the light shelters from light, can prevent that light from spouting from the week side of lamp shade, effectively avoided the cluster light between two LED lamps.

Furthermore, the lamp holder is made of high-temperature-resistant rubber materials.

By adopting the technical scheme, the lamp holder made of the high-temperature-resistant rubber material can enable the lamp holder to tightly wrap the LED lamp when the LED lamp is installed in the lamp holder, so that light is prevented from leaking from the bottom; when installing the lamp stand and placing the mouth, can be so that the lamp stand is sealed inseparabler to placing the mouth, avoid light to spill from placing mouthful bottom, and high temperature resistant rubber materials can avoid the LED lamp to generate heat and lead to the lamp stand to warp.

Furthermore, a baffle ring is arranged on the periphery of the lower end of the lamp holder, and the upper surface of the baffle ring is attached to the lower surface of the panel.

Through adopting above-mentioned technical scheme, when installing the lamp stand and placing intraoral, make fender ring and panel laminating mutually, can strengthen the sealed of placing the mouth, avoid the light leak.

Furthermore, one side of the baffle ring, which is attached to the panel, is provided with a first sealant.

Through adopting above-mentioned technical scheme, when the LED lamp is luminous, adopt first sealed glue will keep off ring and panel laminating department sealed, can avoid light to spill from keeping off the laminating department of ring and panel.

Furthermore, a second sealant is arranged on one side, attached to the panel, of the upper end of the lamp holder.

Through adopting above-mentioned technical scheme, when the LED lamp is luminous, adopt the sealed glue of second to make lamp stand and panel laminating department sealed, can avoid light to spill from lamp stand and panel laminating department.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) through adopting above-mentioned technical scheme, when the installation LED lamp, earlier install the LED lamp in the lamp stand, install the lamp stand after that and place the mouth to make joint piece and joint groove looks gomphosis, accomplish the installation of LED lamp promptly. The bottom of the LED lamp is wrapped by the lamp holder, light can be prevented from leaking from the bottom, the upper end edge of the LED lamp is shielded by the light shielding edge, and the phenomenon that light of light sources at the upper ends of two adjacent LED lamps is mixed can be avoided;

(2) by arranging the reflecting ring, light rays around the LED lamp can irradiate on the reflecting surface of the reflecting ring when the LED lamp emits light, and then the light rays are reflected out of the lampshade from the reflecting surface, so that light crosstalk between the two LED lamps is avoided;

(3) keep off the ring through setting up, when installing the lamp stand and placing intraoral time, make and keep off the ring and laminate mutually with the panel, can strengthen the sealed of placing the mouth, avoid the light leak.

Drawings

FIG. 1 is a schematic diagram of the overall explosion structure of the present embodiment;

FIG. 2 is a schematic cross-sectional view of the present embodiment;

fig. 3 is an enlarged schematic view of a in fig. 2.

Reference numerals: 1. a panel; 2. an upper circuit layer; 3. an isolation layer; 4. a lower circuit layer; 5. an LED lamp; 6. a placement port; 7. a light blocking edge; 8. a lamp socket; 9. a clamping groove; 10. a clamping block; 11. a lamp shade; 12. a light reflecting ring; 13. a light-reflecting surface; 14. a light-blocking layer; 15. a baffle ring; 16. a first sealant; 17. and (7) a second sealant.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

The utility model provides a membrane switch, as shown in figure 1, 2, include by the panel 1 of last to installing in proper order down, go up circuit layer 2, the isolation layer 3, lower circuit layer 4 and install the LED lamp 5 on panel 1, set up on the panel 1 with last circuit layer 2 communicating mouthful 6 of placing, LED lamp 5 is installed in placing mouthful 6, and LED lamp 5 upper end is less than the upper surface of panel 1, it has annular limit 7 that is in the light to place to extend on the 6 upper end inner walls of mouth, limit 7 that is in the light shelters from the upper end edge of LED lamp 5, be in the light through limit 7 to LED lamp 5 upper end edge, can avoid two adjacent 5 upper end light sources of LED lamp to cluster light.

As shown in fig. 1 and 2, install the lamp stand 8 that is used for parcel 5 bottoms of LED lamp in placing mouth 6, lamp stand 8 adopts chlorosulfonated polyethylene rubber material to make, and the outer wall of lamp stand 8 and the inner wall laminating of placing mouth 6 can avoid light to spill from the bottom through 8 bottoms of parcel LED lamp 5 of lamp stand. Specifically, place and seted up joint groove 9 on the lateral wall of mouth 6, extend on the lamp stand 8 have with joint groove 9 looks gomphosis joint piece 10, seted up the through-hole on the 8 diapalls of lamp stand, the through-hole that sets up on the lead wire of LED lamp 5 passes through the lamp stand 8 and switches on with the circuit on last circuit layer 2, the lead wire and the inboard laminating of through-hole of LED lamp 5.

As shown in fig. 1 and 2, a lampshade 11 for sealing the placing opening 6 is fixed on the panel 1, the LED lamp 5 can be protected by the lampshade 11, and the LED lamp 5 is prevented from being polluted or damaged.

Further, a reflecting ring 12 is arranged on the inner wall of the lampshade 11 in a surrounding manner, and the inner wall of the reflecting ring 12 is a reflecting surface 13 which is inclined towards the lower end of the center of the placing opening 6 from the upper end of the inner wall of the lampshade 11. Therefore, when the LED lamp 5 emits light, the light around the LED lamp 5 irradiates the reflective surface 13 of the reflective ring 12, and is reflected out of the lampshade 11 from the reflective surface 13, thereby further avoiding light crosstalk between the two LED lamps 5.

It should be mentioned that the inner wall of the periphery of the lampshade 11 is coated with the light-blocking layer 14, and the light-blocking layer 14 is located at the upper end of the reflective ring 12, so that the light can be prevented from being emitted from the periphery of the lampshade 11 under the effect of blocking the light by the light-blocking layer 14, and the crosstalk between the two LED lamps 5 is effectively avoided.

As shown in fig. 2 and 3, a retaining ring 15 extends from the lower end of the lamp holder 8, a groove capable of accommodating the retaining ring 15 is formed in the lower surface of the panel 1, and the upper surface of the retaining ring 15 is attached to the lower surface of the panel 1. When the lamp holder 8 is installed in the placing opening 6, the baffle ring 15 is attached to the panel 1, the sealing of the placing opening 6 can be enhanced, and light leakage is avoided.

As shown in fig. 2 and 3, a first sealant 16 is coated on one side of the baffle ring 15, which is attached to the panel 1, the first sealant 16 is a polyurethane sealant, and the joint of the baffle ring 15 and the panel 1 is sealed by the first sealant 16, so that light can be prevented from leaking from the joint of the baffle ring 15 and the panel 1.

As shown in fig. 2 and 3, a second sealant 17 is coated on one side of the joint between the lamp holder 8 and the panel 1, the second sealant 17 is a polyurethane sealant, and the joint between the lamp holder 8 and the panel 1 is strengthened and sealed by the second sealant 17, so that light can be prevented from leaking from the joint between the lamp holder 8 and the panel 1.

The utility model discloses a working process and beneficial effect as follows:

when installing LED lamp 5, install LED lamp 5 in lamp stand 8 earlier, install lamp stand 8 and place mouth 6 after that to make joint piece 10 and joint groove 9 looks gomphosis, scribble sealed glue 16 of first on the one side of keeping off ring 15 and panel 1 laminating, scribble sealed glue 17 of second in the one side of laminating between lamp stand 8 and panel 1 after that, accomplish the installation of LED lamp 5 promptly.

To sum up, through the bottom of lamp stand 8 parcel LED lamp 5, can avoid light to spill from the bottom, and block light through keeping off light limit 7 to LED lamp 5 upper end edge, can avoid the phenomenon that the crosstalk appears in the light source in two adjacent LED lamps 5.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a membrane switch, includes by panel (1), last circuit layer (2), isolation layer (3) that set gradually under to, lower circuit layer (4) and install LED lamp (5) on panel (1), its characterized in that: be provided with on panel (1) with the communicating mouth (6) of placing of upper circuit layer (2), LED lamp (5) set up in placing mouth (6), LED lamp (5) upper end is less than the upper surface of panel (1), it is provided with annular light-blocking limit (7) on the inner wall to place mouth (6) upper end, light-blocking limit (7) shelter from the upper end edge of LED lamp (5), it is provided with lamp stand (8) that are used for wrapping up LED lamp (5) bottom in mouth (6) to place, the outer wall of lamp stand (8) with the inner wall laminating of placing mouth (6), be provided with joint groove (9) on the lateral wall of placing mouth (6), be provided with on lamp stand (8) with joint piece (10) of joint groove (9) looks gomphosis.

2. A membrane switch according to claim 1, characterized in that: the panel (1) is provided with a lampshade (11) used for sealing the placing opening (6).

3. A membrane switch according to claim 2, characterized in that: the lamp shade is characterized in that a reflecting ring (12) is arranged on the inner wall of the lamp shade (11) in an encircling mode, and a reflecting surface (13) which is inclined towards the lower end of the center of the placing opening (6) from the upper end of the inner wall of the lamp shade (11) is arranged on the inner wall of the reflecting ring (12).

4. A membrane switch according to claim 2, characterized in that: and a light blocking layer (14) is arranged on the periphery of the inner wall of the lampshade (11).

5. A membrane switch according to claim 1, characterized in that: the lamp holder (8) is made of high-temperature-resistant rubber materials.

6. The membrane switch of claim 5, wherein: the lower extreme week of lamp stand (8) is provided with fender ring (15), keep off ring (15) upper surface with laminating mutually of panel (1) lower surface.

7. The membrane switch of claim 6, wherein: one side of the baffle ring (15) attached to the panel (1) is provided with a first sealant (16).

8. A membrane switch according to claim 1, characterized in that: and a second sealant (17) is arranged on one side, attached to the panel (1), of the upper end of the lamp holder (8).