CN202564098U

CN202564098U - Lamp-provided waterproof key switch

Info

Publication number: CN202564098U
Application number: CN2012201983162U
Authority: CN
Inventors: 孙小平
Original assignee: Grand Key Seiko Mould Ltd Of Hefei City
Current assignee: Grand Key Seiko Mould Ltd Of Hefei City
Priority date: 2012-05-04
Filing date: 2012-05-04
Publication date: 2012-11-28
Anticipated expiration: 2022-05-04

Abstract

The utility model relates to a lamp-provided key, and specifically discloses a lamp-provided waterproof key switch. The waterproof key switch comprises a base having a concave cavity, a hollow upper cover, and a button, wherein a light-emitting diode is embedded into the middle portion of the button. The button has a hat-like overall shape, the upper and middle portion of the button extends from the vacancy position of the upper cover, and the bottom of the button is projected downwards to form a push handle. The surface of the concave cavity of the base is provided with contact components, wherein an arched metal reed is arranged over the contact components. An annular contour sealing rib is arranged at the connection position of the base and the upper cover, and a prepressing rubber pad is arranged between the contour sealing rib and the upper cover, so the concave cavity of the base is completely closed. The push handle is movably connected with the prepressing rubber pad, and the arched surface of the reed abuts against the bottom of the push handle in a manner that the arched surface of the reed and the bottom of the push handle are separated by the prepressing rubber pad. The upper cover is fixedly connected with the base through the riveting method. The lamp-provided waterproof switch of the utility model is a lamp-provided switch having good waterproofness; the protection grade reaches IP67, even at normal temperatures; and the waterproof switch has passed all water immersion tests at conditions of a water depth of 10cm and a water immersion time for 96 hours.

Description

A kind of band lamp Waterproof push-button switch

Technical field

The utility model relates to a kind of band lamp button, definite a kind of band lamp Waterproof push-button switch of saying so.

Background technology

In the prior art; The switch of band LED lamp mainly comprises pedestal, be positioned at the button of pedestal top cavity, be arranged at the LED light-emitting diode of button; And the terminal that is electrically connected with control unit of drawing from base bottom; Said button and pedestal cavity formation are slidingly connected, and the button bottom is provided with thimble, and the pocket surfaces of pedestal is provided with contact assembly protruding, that be electrically connected with terminal; Said contact assembly is included in two first contacts of pedestal pocket surfaces diagonal angle setting and is located at second contact in the pedestal cavity corresponding to thimble below, button bottom; Pedestal pocket surfaces and button are provided with the arch reed between the bottom, and the two ends of said reed contacts with first contact on both sides respectively, the reed middle part in initial condition to being butted on the thimble bottom the button.During work, work as Push switch, button in the pedestal cavity to down slippage; This moment, the thimble compressing reed middle part arcuate surface of button bottom sank; Contact with second contact of its below, be communicated with through reed, at this moment switch conduction thereby make between first contact and second contact; And after trip switch, reed resets under the elastic force effect, bullet on the button, and the reed middle part and second contact separation, switch breaks off.

In the switch of the band LED lamp of said structure, button and pedestal cavity are slidingly matched, thereby between the sidewall of button sidewall and pedestal cavity, certainly exist the gap; Make the contact assembly of pocket surfaces communicate with the external world, therefore, when the band lamp touch-switch of this structure be applied in the moist environment, or when the electrical equipment that is applied to contact such as washing machine with water; Airborne steam or water droplet can get into cavity along sidewall spacers; Touch contact assembly, make it that corrosion, the connection between the influencing contactor take place; Cause producing phenomenons such as loose contact or generation electric spark, also possibly cause the short circuit between the contact.Therefore this Illuminated Switch is in the higher occasion of some instructions for uses, as at some household electrical appliances; Like use occasions such as washing machine, microwave oven, soy bean milk making machine, be easy to into grey water inlet and cause switch failure, cause entire product not use; Do not reach practical effect, perhaps influence useful life.

Summary of the invention

The utility model technical problem to be solved is to provide a kind of band lamp Waterproof push-button switch, makes this key switch switch have functions of waterproof and dustproof preferably, to improve its useful life.

The technical scheme of the utility model is: a kind of band lamp Waterproof push-button switch; Pedestal, a hollow top cover of comprising a band cavity; And button formation that light-emitting diode has been inlayed in the centre; Said button integral body is the carnival hat shape, and middle part passes from said loam cake vacancy on it, and this button bottom convexes to form downwards and pushes away handle; The pocket surfaces of said pedestal is provided with contact assembly, and said contact assembly top is provided with the arch metal spring leaf; Be provided with the precompressed rubber blanket between high sealing muscle such as the position that said pedestal is connected with loam cake is provided with high sealing muscle such as ring-like, and is said and the said loam cake, with said pedestal cavity complete closed; The said handle that pushes away connects with the precompressed rubber blanket is movable, and the arch face of said reed offsets across said precompressed rubber blanket and the said handle bottom that pushes away; Said loam cake is fixedly connected through the riveted joint mode with pedestal.

As the further improvement of such scheme, said loam cake is fixedly connected through pillar riveted joint mode with pedestal.

The principle of the utility model is: be provided with high sealing muscle and precompressed rubber blankets such as annular at pedestal and loam cake link position; Said pedestal cavity and outside are separated fully; Thereby cut off contact assembly and extraneous being communicated with on the whole, reached the purpose of water proof and dust proof; Adopt again simultaneously through the riveted joint mode loam cake to be fixedly connected with pedestal, loam cake pushes the precompressed rubber blanket, and high sealing muscle such as itself and annular are closely cooperated, and reaches high classification of waterproof.And light-emitting diode is embedded in button inside, compact conformation, reliability and durability.

The advantage of the utility model is: this water blocking tape lamp switch is a kind of Illuminated Switch with high water resistance, and degree of protection reaches IP67, in addition higher performance (normal temperature, depth of water 10cm, water test more than 96 hours, the test all through).

Description of drawings

Combine embodiment that the utility model is done further to describe with reference to the accompanying drawings.

Fig. 1 is the structural representation of the utility model,

Fig. 2 is an A-A face cutaway view among Fig. 1,

Fig. 3 is the utility model vertical view.

Embodiment

Referring to Fig. 1,2,3, a kind of band lamp Waterproof push-button switch comprises the pedestal 1 of a band cavity, a hollow top cover 5, and the button that light-emitting diode 7 has been inlayed in centre constitutes, and button integral body is the carnival hat shape, and available non-transparent material is processed.Middle part passes from loam cake 5 vacancies on it, and this button bottom convexes to form downwards and pushes away handle 6; The pocket surfaces of pedestal 1 is provided with contact assembly 2, and contact assembly 2 tops are provided with arch metal spring leaf 3; Pedestal 1 is provided with high sealing muscle a such as ring-like with loam cake 5 link positions, etc. being provided with precompressed rubber blanket 4 between high sealing muscle a and the loam cake 5, with the cavity complete closed of pedestal 1; Push away 4 movable connections of handle 6 and precompressed rubber blanket, the arch face of reed 3 is across precompressed rubber blanket 4 and push away handle 6 bottoms and offset; Loam cake 5 is fixedly connected through the riveted joint mode with pedestal 1.In the present embodiment, loam cake 5 is through being evenly distributed on the riveting column and the pedestal 1 upper surface riveted and fixed of its bottom.Light-emitting diode 7 is inlaid in the button, and its two pins 8 are weldingly fixed on the pcb board with the terminal supportor of pedestal 1.

During use, when pressing button downwards, because of rubber blanket 4 has elasticity, the handle 6 that pushes away of button bottom can actuating spring 3 actions, make contact assembly 2; Bleed off the active force to button, because reed 3 domes have restoring force, button returns to initial position, accomplishes the one-period action.

This water blocking tape lamp switch is a kind of Illuminated Switch with high water resistance, and through test, degree of protection reaches IP67, (IP6X: product is taken out negative pressure, places in the sand and dust case, and the inspection of uncapping, it is close to belong to dirt, can not have dust to get into and be judged to be the conformance with standard requirement; IPX7: the short time immersion, be unlikely to reach harmful degree through official hour rear casing immersion amount in the water of immersion authorized pressure, be positioned in the caisson, 1 meter of the general degree of depth, test duration is 30min); Even can reach higher performance (normal temperature, depth of water 10cm, water test more than 96 hours, test all through), far away surpassing has like product now.

Although illustrated and described the embodiment of the utility model; For those of ordinary skill in the art; Be appreciated that under the situation of principle that does not break away from the utility model and spirit and can carry out multiple variation, modification, replacement and modification to these embodiment, the scope of the utility model is limited accompanying claims and equivalent thereof.

Claims

1. be with lamp Waterproof push-button switch for one kind; Pedestal, a hollow top cover of comprising a band cavity, and the button formation that light-emitting diode has been inlayed in the centre, said button integral body is the carnival hat shape; Middle part passes from said loam cake vacancy on it, and this button bottom convexes to form downwards and pushes away handle; The pocket surfaces of said pedestal is provided with contact assembly, and said contact assembly top is provided with the arch metal spring leaf; It is characterized in that: be provided with the precompressed rubber blanket between high sealing muscle such as the position that said pedestal is connected with loam cake is provided with high sealing muscle such as ring-like, and is said and the said loam cake, said pedestal cavity complete closed; The said handle that pushes away connects with the precompressed rubber blanket is movable, and the arch face of said reed offsets across said precompressed rubber blanket and the said handle bottom that pushes away; Said loam cake is fixedly connected through the riveted joint mode with pedestal.

2. according to the said a kind of band lamp Waterproof push-button switch of claim 1, it is characterized in that: said loam cake is through being evenly distributed on the riveting column and the said pedestal upper surface riveted and fixed of its bottom.

3. according to each said a kind of band lamp Waterproof push-button switch of claim 1～2, it is characterized in that: said button can be processed with non-transparent material.

4. according to the said a kind of band lamp Waterproof push-button switch of claim 3, it is characterized in that: two pins of said light-emitting diode are weldingly fixed on the pcb board with the terminal supportor of said pedestal.