CN2720603Y - Rocker switch - Google Patents

Abstract

The utility model relates to a rocker switch, composed of a box-shaped base and a rubber cover which is closed with the base and conducts water sealing. The bottom of the base is provided with a connection terminal, and the upper part of the base is provided with a teetertotter-shaped rocking lever; a sealing ring is arranged between the rocking lever and the through hole of the rubber cover for sealing, or a hot rivet for the sealing covers of which one end is sheathed on the teetertotter-shaped rocking lever and the other end covers the opening of the through hole of the rocking lever is used to seal; the lower part of the teetertotter-shaped rocking lever passing through the through hole on the rubber cover is directly supported on the upper surface of the teetertotter-shaped moving sheet, the middle part of the teetertotter-shaped moving sheet is supported on a common-use connection terminal in the middle of the bottom of the base, and one end or both ends of the teetertotter-shaped moving sheet are provided with a contact point which can realize electric connection with the connection terminal. The rocker switch adopts the phase-separation structure of the base and the rubber cover and enhances the assembling efficiency and the consistency of performance; the rocker switch adopts multiple sealing, which isolates the internal device and the outside on the whole, and the effective and reliable electric connection can be ensured; in addition, the rocker switch has good water sealing and high added value of the product.

Description

A kind of rocker switch

Technical field

The utility model relates to a kind of mains switch, refers in particular to a kind of lamp rocker switch that decorate, that be used for high-grade facility, equipment of isolating and have with environment facies.

Background technology

Commercially available mains switch mostly adopts skateboard structure at present, slides along acupuncture needle thereby promptly promote slide plate by seesaw swing plectrum, realizes that slide plate contacts with fixed contact; At this moment friction is serious between slide plate and acupuncture needle, easily produce mechanical wear, the metal dust that produces because of wearing and tearing easily causes electric leakage, simultaneously because contact wear causes again that seriously a series of electrical property is bad, and fixed contact speed is slow, the long arcing phenomenon that is prone to of time because of slide plate jumps out of, being scaling loss, the contact is attended by a large amount of heat energy again, causes great potential safety hazard.Provided a kind of improvement project at these problem China's ZL00258484.0 patents " rocker-type mains switch ", comprise pedestal, seesaw, spring, plectrum, fixed contact, in pedestal, set up support chip, end at plectrum is set up moving contact, plectrum rotates around support chip, drives moving contact and contacts conducting with fixed contact, though this structure has reduced the electric leakage that causes because of wearing and tearing and the arcing phenomenon of loose contact generation, but the composition surface of its contact is little, because of the limited easy generation safety problem of power; Because of its structure qualification, can only manual operation, promptly has only two grades on switch, be difficult to realize the requirement of the many gears of a switch, and switch base is integral type, inner chamber is darker, assembling inconvenience, be difficult to sealing between seesaw and pedestal, the overall tightness difference causes shorten dramatically useful life, more is unwell to the harsh environment of service condition such as car and boat.

Summary of the invention

The purpose of this utility model provide a kind of sealing property particularly good, the light-emitting diode of water-stop electrically contact unobstructed rocker-type switch.

Designed a kind of rocker-type switch according to above-mentioned purpose, comprise pedestal, be provided with binding post in base bottom, be provided with seesaw shape rocking bar on the top of pedestal, for ensure sealing also box shaped base be provided with the Jiao Gai involutory with pedestal, be provided with intermeshing inside and outside negative and positive step at apposition position, direct reach upper surface and pass lower end that glue covers the seesaw shape rocking bar of through hole at seesaw shape moving plate, on the shared backguy terminal in the middle of the middle part of seesaw shape moving plate is supported at the bottom of the pedestal, be provided with in the one or both ends of this moving plate and can realize the contact that electrically connects with binding post.In order to realize sealing better, the inside and outside negative and positive step place involutory at pedestal and glue lid is aided with sealing ring or fluid sealant sealing; Can be aided with the sealing ring sealing between seesaw shape rocking bar and glue lid through hole, also can seal with the rivet hot technology by the sealing shroud that an end is enclosed within on the seesaw shape rocking bar, the other end covers the rocking bar openings.

Described seesaw shape rocking bar is the T font, its lower end is connected with door type guide bar support, the compression spring is housed in this support, is provided with ㄩ type guide rod, be provided with the moving plate sliding contact of seesaw shape at the bottom of the ㄩ type guide rod or be pressed in roller on the seesaw shape moving plate upper surface in this support lower end.Contain mutually between Jiong type guide bar support and ㄩ type guide rod and close or be nested with, each other for movingly.

Operate in order to increase suggesting effect and to make things convenient for not have night under the light condition, also have light-emitting diode or neon fluorescent lamp installing hole at the glue cap surface.Light-emitting diode or neon fluorescent lamp installing hole can be through hole, and at this moment light-emitting diode or neon fluorescent lamp are by O-ring seal and hole wall sealing; This installing hole also can be the counterbore that the bottom has the through hole that passes through for pin, and light-emitting diode or neon fluorescent lamp are fixed and are sealed in the counterbore by glue.Also be provided with in pedestal and light-emitting diode or supporting spring and the divider resistance of neon fluorescent lamp, the pin of light-emitting diode or neon fluorescent lamp is fixed on the inner wall surface of Jiao Gai, and the upper end of spring is pressed on the pin.

The up-down structure that the utility model adopts pedestal and Jiao Gai to be separated has improved the efficiency of assembling of inner components and parts, has guaranteed uniformity in product performance, and is simple and practical; Owing to adopt multi-sealed measure, make the internal electrical coupling device be isolated from the outside substantially, both guaranteed the validity and the reliability that electrically connect to have realized good water-stop again, improved value-added content of product; Elasticity seesaw type rocking bar has further ensured the accuracy that the reliability that electrically connects between fixed contact and moving contact was separated with moment, has promptly effectively prolonged useful life, has improved security of products again; Spiral compression spring or shell fragment have guaranteed electrically connecting of led pins step effectively.

Description of drawings

Accompanying drawing the 1, the 2nd, the complete section master after the assembling of the utility model basic model looks, schematic side view; Accompanying drawing the 3, the 4th, the complete section master after the utility model embodiment 2 assemblings looks, schematic side view; Fig. 5, the 6th, the complete section master after the utility model embodiment 3 assemblings looks, schematic side view.

Embodiment

Fig. 1,2 has provided basic structure of the present utility model, and promptly seesaw shape T font rocker assembly drives the structural representation of a moving plate.Pedestal 14 of the present utility model is shallow box-like, illustrated binding post is the inserted sheet type, in the middle of being positioned at is public binding post 12, work is positioned at both sides with binding post 11, the upper end of binding post is the fixed contact that exposes on pedestal box basal surface, the lower end is the inserted sheet that stretches out at the bottom of the pedestal, can adopt once injection moulding between this inserted sheet type work terminal and pedestal, also can adopt the fixing and sealing of fluid sealant bonding.During assembling, put on the public binding post and be placed with the arc seesaw shape moving plate 9 that is slightly deformed,, on the bottom surface, two ends of arc moving plate, be provided with the moving contact corresponding down at the bottom of the arc with fixed contact.The box of pedestal along on have step, step is provided with O-ring seal 16, the step on the pedestal is involutory with the step negative and positive on the glue lid 4, when pedestal and glue cover involutory after, just formed a complete box body.Jiao Gai is the H type of slightly deformed, seesaw shape T font rocking bar 1 is installed in top, on the midfeather of H type, have for the through hole that seesaw shape T font rocker assembly is installed, also adopt the sealing ring sealing between this through hole and the rocking bar or adopt the rivet hot technology to seal as shown, rivet hot sealing promptly is that the end with sealing shroud 2 closely is enclosed within on the rocking bar, the other end by hot pressing mode and the glue lid hot pressing at through hole edge together.And described rocker assembly is meant the Jiong type guide bar support 6 of T font rocking bar and lower end thereof, compression spring 7 is housed in this rack bore, being provided with ㄩ type guide rod 8 in this support lower end also is sliding guide, is being provided with the moving plate sliding contact of seesaw shape at the bottom of the ㄩ type guide rod or is being pressed in roller 15 on the seesaw shape moving plate upper surface; Wherein, contain mutually between Jiong type guide bar support and ㄩ type guide rod and close or be nested with, each other for movingly.

Fig. 2,3 has provided embodiment 2, and the main distinction point of itself and aforementioned basic model is that diagram seesaw shape T font rocker assembly drives two moving plates, and has been equipped with light-emitting diode or neon fluorescent lamp indicator light 3, and other structure is identical with basic model.Among the figure, indicator light is arranged in the counterbore on the glue cap surface, is provided with O-ring seal or is perfused with fluid sealant 18 between indicator light and counterbore wall; The through hole that the pin 5 of indicator light passes counterbore bottom enters in the box body that Jiao Gai and the involutory back of pedestal form and the box that is fixed on nearly box wall place pushes up; With the inserted sheet shape contact 10 that is provided with at the bottom of the pedestal of pin corresponding position to the indicator light power supply, be shelved with divider resistance 13 on the contact, be shelved with spring 17 on the divider resistance and be illustrated as the undaform shell fragment, the upper end of spring contacts with pin, being that spring is pushed down divider resistance and pin respectively realizing good electrical contact, mainly is convenience in order to assemble in this effect that compression spring is set.

The embodiment 3 that Fig. 4,5 provides is similar with embodiment 2, and difference mainly is an one, and the compression spring is a helical spring; Its two, the installing hole of indicator light is a through hole, indicating lamp tube is fixing by forming between O-ring seal or glue and through hole, reliability at this moment may be poor slightly.

The utility model provides the rocker-type switch that a kind of high-power, sealing is good, the internal electrical coupling device is isolated from the outside substantially.Rocking bar is controlled the break-make that moving plate is realized power supply by the roller of guide bar support, sliding guide and front end thereof during work, and the compression spring in the guide bar support has guaranteed the smooth and easy of sliding guide and the work of T font rocking bar.Above-mentioned design of Sealing Structure thinking is also applicable to other appliance switch, as key switch, sensitive switch, rotary switch etc.

Claims (3)

1, a kind of rocker-type switch, be provided with the box shaped base of binding post bottom being included in, pedestal is provided with the Jiao Gai involutory with pedestal, be provided with intermeshing inside and outside negative and positive step at pedestal and glue lid apposition position, pass lower end that glue covers the seesaw shape rocking bar of through hole and direct reach the upper surface of the seesaw shape moving plate at the bottom of the pedestal, the one or both ends of seesaw shape moving plate are provided with can realize the contact that electrically connects with binding post, on the shared binding post in the middle of the middle part of seesaw shape moving plate is supported at the bottom of the pedestal, it is characterized in that being aided with sealing ring or fluid sealant seals at the involutory inside and outside negative and positive step place of pedestal and glue lid;

Be aided with the sealing ring sealing between seesaw shape rocking bar and glue lid through hole, or seal with rivet hot by the sealing shroud that an end is enclosed within on the seesaw shape rocking bar, the other end covers the rocking bar openings.

2, switch according to claim 1 is characterized in that also having light-emitting diode or neon fluorescent lamp installing hole at the glue cap surface, and this installing hole is a through hole, and light-emitting diode or neon fluorescent lamp are by O-ring seal and hole wall sealing.

3, switch according to claim 1 is characterized in that also having light-emitting diode or neon fluorescent lamp installing hole at the glue cap surface, and this installing hole is the counterbore that the bottom has the through hole that passes through for pin, and light-emitting diode or neon fluorescent lamp are fixed by glue and sealed.

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