Membrane switch with early warning indicating lamp

Abstract

The utility model discloses a membrane switch with an early warning indicating lamp, which comprises a substrate layer, a plurality of switch parts and a button part, a supporting groove is arranged at the middle position of one side of the button part facing the switch parts, a plurality of elastic clamping claws are arranged on contact columns of the switch parts, a plurality of limiting clamping grooves are arranged on the inner wall of the supporting groove, and the elastic clamping claws are arranged in the limiting clamping grooves. The multiple elastic clamping jaws and the multiple limiting clamping grooves are arranged in a one-to-one correspondence mode, and the elastic clamping jaws can be clamped and locked with the corresponding limiting clamping grooves. According to the utility model, the button part of the membrane switch can be independently replaced, the maintenance cost can be reduced, and the replacement efficiency can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of membrane switch, especially in a kind of membrane switch with early warning pilot lamp. BACKGROUND

[0002] Membrane switch is a kind of electronic switch, by embedding conductive material into multilayer sheet structure, membrane switch is usually used on the device needing light touch operation, such as calculator, remote controller, medical equipment and various industrial control panel etc.

[0003] The membrane switch in the related art usually includes substrate layer, switch part and button part, switch part is fixed on mounting part, button part is fixed on the contact post of switch part, and the surface of button part is sprayed with button mark.

[0004] However, the button mark on the surface of button part in the related art is faded after long time use, since button part cannot be replaced alone, staff needs to replace switch part and button part together, which increases maintenance cost and replacement operation efficiency, and needs to be improved. INVENTION CONTENTS

[0005] In view of the deficiencies in the prior art, the utility model aims at providing a kind of membrane switch with early warning pilot lamp, so that button part can be replaced alone, which can reduce maintenance cost and improve replacement efficiency.

[0006] The above technical purpose of the utility model is realized by the following technical scheme: a kind of membrane switch with early warning pilot lamp, including substrate layer, multiple switch parts and button part, the middle position of the side of button part towards the switch part is provided with support groove, the contact post of the switch part is provided with multiple elastic clamping jaw, the inner wall of the support groove is provided with multiple limit slot, multiple the elastic clamping jaw and multiple the limit slot are set one by one, and the elastic clamping jaw can be locked with the corresponding limit slot.

[0007] Optionally: the edge position of the side of button part towards the switch part is provided with elastic air bag ring, and the air bag ring is in close abutment with the substrate layer.

[0008] Optionally: the middle position of the surface of the side of button part away from the switch part is provided with anti-skid groove.

[0009] Optionally: the groove bottom of the anti-skid groove is integrally formed with pull ring for hooking cooperation with external tool.

[0010] Optionally: the groove bottom of the anti-skid groove is provided with multiple anti-skid convex points, and multiple the anti-skid convex points are equidistantly around the periphery position of the pull ring.

[0011] Optionally, a plurality of warning indicator lights are arranged on the substrate layer, and the plurality of warning indicator lights are arranged one by one in correspondence with the plurality of button portions.

[0012] Optionally, a fluorescent ring is fixedly embedded on the surface of the button portion away from the switch portion.

[0013] In summary, the utility model has the following beneficial effects:

[0014] The button portion and the contact column of the switch portion of the membrane switch are detachably connected, so that the button portion can be replaced individually, which can reduce maintenance cost and improve replacement efficiency. Meanwhile, the airbag ring is arranged between the button portion and the substrate layer, which effectively improves the dustproof and waterproof effect of the membrane switch. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a structural schematic view of an embodiment;

[0016] Figure 2 is a sectional view of an embodiment;

[0017] Figure 3 is Figure 2 an enlarged schematic view of the A area in FIG.

[0018] Reference signs: 1, substrate layer; 2, switch portion; 3, button portion; 4, support groove; 5, elastic clamping jaw; 6, limiting clamping groove; 7, airbag ring; 8, anti-skid groove; 9, pulling ring; 10, anti-skid convex point; 11, warning indicator light; 12, fluorescent ring. DETAILED DESCRIPTION

[0019] The utility model will be further described in detail below in combination with the drawings.

[0020] Reference Figure 1 , Figure 2 , Figure 3 , a membrane switch with a warning indicator light 11, comprising a substrate layer 1, a plurality of switch portions 2 are fixedly connected on the substrate layer 1, and a button portion 3 is arranged on the contact column of each switch portion 2 respectively. The middle position of the side of the button portion 3 towards the switch portion 2 is provided with a support groove 4, a plurality of elastic clamping jaws 5 are arranged on the contact column of the switch portion 2, a plurality of limiting clamping grooves 6 are arranged on the inner wall of the support groove 4, a plurality of elastic clamping jaws 5 and a plurality of limiting clamping grooves 6 are arranged one by one in correspondence, and the elastic clamping jaw 5 can be clamped and locked with the corresponding limiting clamping groove 6.

[0021] The button portion 3 and the contact column of the switch portion 2 of the membrane switch in the embodiment are detachably connected, so that the button portion 3 can be replaced individually, which can reduce maintenance cost and improve replacement efficiency. Meanwhile, the button portion 3 and the switch portion 2 are very convenient to disassemble and assemble, so as to facilitate the replacement operation of the button portion 3 by the staff.

[0022] In the embodiment, the elastic clamping jaw 5 is made of elastic plastic, and of course, in other embodiments, an elastic metal material can also be used, which will not be described in detail here.

[0023] Referring to Figure 1 , Figure 2 , the edge position of the button part 3 towards the switch part 2 is fixedly connected with an elastic air bag ring 7, and the air bag ring 7 is in close abutment with the base plate layer 1, so as to improve the dustproof and waterproof effect of the membrane switch. Of course, in order to further improve the dustproof and waterproof effect of the membrane switch, a transparent protective film can also be heat-sealed on the base plate layer 1 to realize the sealing of the button part 3, and also reduce the risk of the identification on the surface of the button part 3 being abraded and faded.

[0024] If the transparent protective film is abraded, the staff can replace the protective film in time, and if the identification on the button part 3 is abraded and faded due to not replacing in time, the protective film can be torn off, and then the button part 3 is replaced, and then the transparent plastic film is heat-sealed again.

[0025] In the embodiment, the air bag ring 7 is made of rubber material, and of course, in other embodiments, the air bag ring 7 can also be made of other elastic materials such as latex or silicone, which will not be described in detail here.

[0026] Referring to Figure 2 , Figure 3 , the middle position of the surface of the button part 3 away from the switch part 2 is provided with an anti-skid groove 8, and the groove bottom of the anti-skid groove 8 is integrally formed with a pulling ring 9 for hooking cooperation with external tools, so as to facilitate the pulling operation of the staff on the button part 3. At the same time, the groove bottom of the anti-skid groove 8 is provided with a plurality of anti-skid convex points 10, which are equidistantly arranged around the four positions of the pulling ring 9, so as to improve the anti-skid effect.

[0027] Referring to Figure 1 , the base plate layer 1 is provided with a plurality of warning indicator lights 11, and the plurality of warning indicator lights 11 are one-to-one corresponding to the plurality of button parts 3, and the warning indicator lights 11 are connected with the wires in the base plate layer 1. In the embodiment, when a certain button part 3 is pressed and the contact column on the switch part 2 is conductive with the circuit board in the base plate layer 1, the corresponding warning indicator light 11 is lit, so as to play a good reminding role, which is prior art and will not be described in detail here.

[0028] Referring to Figure 2 , Figure 3 , the surface of the button part 3 away from the switch part 2 is fixedly embedded with a fluorescent ring 12, which can emit light at night, so that the staff can find the button part 3 at night, so as to improve the use convenience.

[0029] The specific embodiment is only an explanation of the utility model, and is not a limitation of the utility model. A person skilled in the art can make a modification without creative contribution to the embodiment according to a need after reading the specification, and as long as the modification is within the scope of the claims of the utility model, the modification is protected by the patent law.

Claims

1. A membrane switch with a warning indicator, comprising a substrate layer (1), a plurality of switch portions (2) and a button portion (3), characterized in that: The middle position of the button part (3) towards the switch part (2) side is provided with a supporting groove (4), the contact column of the switch part (2) is provided with a plurality of elastic clamping claws (5), the inner wall of the supporting groove (4) is provided with a plurality of limiting clamping grooves (6), a plurality of the elastic clamping claws (5) and a plurality of the limiting clamping grooves (6) are one-to-one corresponding, and the elastic clamping claw (5) can be locked with the corresponding limiting clamping groove (6).

2. A membrane switch with a warning indicator light as defined in claim 1, characterized in that: The edge position of the button part (3) towards the switch part (2) side is provided with an elastic air bag ring (7), and the air bag ring (7) is in close abutment with the substrate layer (1).

3. The membrane switch with a pre-warning indicator light of claim 1, wherein: The middle position of the surface of the button part (3) away from the switch part (2) side is provided with an anti-skid groove (8).

4. A membrane switch with a pre-warning indicator light as defined in claim 3, wherein: The groove bottom of the anti-skid groove (8) is integrally formed with a pulling ring (9) for hooking cooperation with external tools.

5. A membrane switch with a warning indicator light as defined in claim 4, wherein: The groove bottom of the anti-skid groove (8) is provided with a plurality of anti-skid convex points (10), and a plurality of the anti-skid convex points (10) are equidistantly arranged around the periphery of the pulling ring (9).

6. The membrane switch with a pre-warning indicator light of claim 1, wherein: The substrate layer (1) is provided with a plurality of warning indicator lights (11), and a plurality of the warning indicator lights (11) are one-to-one corresponding to a plurality of the button parts (3).

7. The membrane switch with a pre-warning indicator light of claim 1, wherein: The surface of the button part (3) away from the switch part (2) side is fixedly embedded with a fluorescent ring (12).

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