CN2379896Y

CN2379896Y - Electric appliance switch

Info

Publication number: CN2379896Y
Application number: CN 99237693
Authority: CN
Inventors: 方刚
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-05-14
Filing date: 1999-05-14
Publication date: 2000-05-24
Anticipated expiration: 2009-05-14

Abstract

The utility model relates to a novel electric appliance switch which is composed of a shell 1, a working chamber 3 of an installation switch knob 2, a contact 4, a connecting terminal 5 and a connecting terminal fixed plate 6. A partition plate 7 is arranged in the shell 1 and can isolate the working chamber 3 and a contact cavity 8, and the switch knob 2 is fixedly connected with a driving ferromagnetic block 9. A fixed plate 10 of a fixed contact 4 in the contact cavity 8 is fixedly provided with a driven ferromagnetic block 14 which is attracted or repellent with the driving ferromagnetic block 9. Owing to the contact working in a sealing environment, the utility model can normally work in moisture, acid, alkaline and other environments, and the utility model has high safety and long service life.

Description

Novel appliance switch

The utility model relates to a kind of switch, especially belongs to appliance switch.

Before this, appliance switch mostly is the machine driving switch greatly, its deficiency be it can not moisture proof, waterproof, so this can not be installed in place with water otherwise, easily make contact produce corrosion and cause loose contact.Certainly, more be not suitable under the environment that soda acid or salt material are arranged, installing.And leaky easily takes place in poor stability.

The purpose of this utility model is to overcome above-mentioned deficiency, provide a kind of can protection against the tide, waterproof, the erosion of contact acid and alkali alkali, safe and reliable novel appliance switch.

The purpose of this utility model is achieved in that the novel appliance switch of mainly being made up of shell, release knob, working chamber, contact, binding post, binding post fixed head, in order to make contact not be subjected to the erosion of humid air, water or acid, alkali, salt, and contact is worked do not produce corrosion in airtight environment and keep good contact, so have division board that working chamber and contact cavities are isolated in the enclosure, thereby make contact cavities form a kind of annular seal space that is hedged off from the outer world.And on release knob fixedly connected driving ferromagnetic block, fixed installation and the driving ferromagnetic block driven ferromagnetic block of inhaling mutually or repelling each other on the fixed head of the fixed contact in contact cavities.

For making the release knob location reliable, the two ends in working chamber are equipped with the detent rail magnetic patch.

For the contact resistance that makes contact is little and more safe and reliable, so can take to vacuumize, charge into the grease that chemical property is stable, be difficult for producing the protective gas of electric arc or charge into good insulating in the contact cavities.

Operation principle: for taking the locate mode appliance switch: the moving switch button, then drive ferromagnetic block according to the same sex is repelled each other, there is a natural attraction between the sexes principle, repel each other or suction mutually with driven ferromagnetic block, under this effect, make contact closure or disconnection to cause switch energising or outage.

For the appliance switch of taking self-resetting type, it is motionless that hand is pressed release knob, then drive ferromagnetic block the same with driven ferromagnetic block, repel each other or inhale mutually, even switch is in the closure or openness state,, appliance switch is restored to the original state when hand leaves release knob.

The utility model is owing to adopted reasonable structure form and drive system to replace machine driving with the suction mutually between ferromagnetic block or the principle transmission that repels each other, and contact is enclosed in the airtight environment, so can make its appliance switch moist, water is arranged, acid is arranged, operate as normal under the environmental condition such as alkali, be difficult for to produce electric leakage and electric spark phenomenon, safe and reliable, the life-span long, easily make.

Description of drawings is as follows:

Fig. 1 is one and drives ferromagnetic locate mode electrical switch structure schematic diagram

Fig. 2 is two and drives ferromagnetic locate mode electrical switch structure schematic diagram

Fig. 3 is single contact self-resetting type electrical switch structure schematic diagram

Fig. 4 is two contact self-resetting type electrical switch structure schematic diagrames

Be described in further detail below in conjunction with accompanying drawing:

Embodiment 1 (in conjunction with the accompanying drawings 1, accompanying drawing 2)

Mainly formed novel appliance switch by shell (1), release knob (2), working chamber (3), contact (4a, 4b), binding post (5a, 5b, 5c, 5d), binding post fixed head (6), in order to prevent that contact (4a, 4b) is not subjected to the erosion of humid air, water or acid, alkali, salt, and contact (4a, 4b) is worked do not produce corrosion in airtight environment and keep good contact, thereby make contact cavities (8) form a kind of annular seal space that is hedged off from the outer world.So pressing mold has division board (7) that working chamber (3) and contact cavities (8) are isolated in shell (1), go up to adopt fixedly connected one or two of bolt or screw thread to drive ferromagnetic block (9 or 9a, 9b) at release knob (2), the fixed head (10) of the fixed contact (4) contact cavities (8) in is gone up to adopt screw thread or be adhesively fixed the driven ferromagnetic block (14a, 14b or 14) of inhaling mutually or repelling each other with driving ferromagnetic block (9 or 9a, 9b) is installed.

For making release knob (2) location reliable, the two ends in working chamber (3) are respectively with screw or be bonded with detent rail magnetic patch (11a, 11b); And it is last by spring groove (13) or spring lever (13) installation back-moving spring (12) or retainer spring (12) at the fixed head (10) of fixed contact (4a, 4b), when adopting spring groove (13) that back-moving spring (12) is installed, an end of back-moving spring (12) contacts with fixed head (10); When adopting spring lever (13) installing and locating spring (12), then the one end is fixed on the binding post (5b).

For the contact resistance that makes contact (4a, 4b) is little and more safe and reliable, so take to charge into the protective gas nitrogen that chemical property is stable, be difficult for producing electric arc in the contact cavities (8).

For make binding post (5) after wiring, be convenient to the sealing, so go out binding post chamber (17) at binding post fixed head (6) lower end pressing mold, after the wiring, with fluid sealant with capping (18) sealed wiring terminal cavities (17).

Operation principle: for taking the locate mode appliance switch: moving switch button (2), then drive ferromagnetic block (9 or 9a, 9b) according to the same sex is repelled each other, there is a natural attraction between the sexes principle, repel each other or suction mutually with driven ferromagnetic block (14a, 14b or 14), under this effect, make and contact (4) contact or disconnection cause switch energising or outage.Driving ferromagnetic block on the release knob (2) (9 or 9a, 9b) interacts with detent rail magnetic patch (11a or 11b) by driven ferromagnetic block (14a, 14b or 14) simultaneously and positions.

Embodiment 2 (in conjunction with the accompanying drawings 3,4)

Mainly formed novel appliance switch by shell (1), release knob (2), working chamber (3), contact (4 or 4a, 4b), binding post (5a, 5b, 5c), binding post fixed head (6), in order to prevent that contact (4 or 4a, 4b) is not subjected to the erosion of humid air, water or acid, alkali, salt, and contact (4 or 4a, 4b) is worked do not produce corrosion in airtight environment and keep good contact, thereby make contact cavities (8) form a kind of annular seal space that is hedged off from the outer world.So pressing mold has division board (7) that working chamber (3) and contact cavities (8) are isolated in shell (1), go up to adopt fixedly connected one or two of bolt or screw thread to drive ferromagnetic block (9 or 9a, 9b) at release knob (2), go up to adopt screw thread or be adhesively fixed at division board (7) the driven ferromagnetic block (14a, 14b or 14) of inhaling mutually or repelling each other with driving ferromagnetic block (9 or 9a, 9b) is installed.

For release knob (2) is resetted reliably, make pressing mold secondary spring groove (15) in the chamber (3) last, its groove high for drive ferromagnetic block (9 or 9a, descending stop 9b).And in this, place spring-assisted reduction (16), an end of spring-assisted reduction (16) with drive ferromagnetic block (9 or 9b) and link to each other.Be further to strengthen the switch reliability, the binding post (5b) and fixed head (a 10) joint end separately of contact cavities (8) be made into " U " shape, in its " U " shape place near to the upper end punching.On torsion spring support (19), be nested with reduction torsion spring (12), and weld on both sides after being placed on institute's punching, at this moment be flexible connection between binding post (5b) and the fixed head (10), reduction torsion spring (12) one ends contact with binding post (5b), the fixed head (10) of the other end and fixed contact (4 or 4a, 4b) contacts: also can be at binding post fixed head (6) top die back-moving spring groove (13), back-moving spring (12) is set within it, and an end of back-moving spring (12) is contacted with fixed head (10).

For the contact resistance that makes contact (4 or 4a, 4b) is little and more safe and reliable, so taked to charge into the grease of good insulating in the contact cavities (8).

Operation principle: for the appliance switch of taking self-resetting type, it is motionless that hand is pressed release knob (2), then drive ferromagnetic block (9 or 9a, 9b) and the same operating principle of driven ferromagnetic block (14a, 14b or 14), repel each other or inhale mutually, even switch is in the closure or openness state.When hand leaves release knob (2), switch is set back.

Claims

1, a kind of novel appliance switch, mainly formed by working chamber (3), contact (4), binding post (5), the binding post fixed head (6) of shell (1), release knob (2) and installation release knob (2), it is characterized in that in shell (1), having division board (7) that working chamber (3) and contact cavities (8) are isolated, go up fixedly connected driving ferromagnetic block (9) at release knob (2), the fixed head (10) of the fixed contact (4) in contact cavities (8) is gone up fixed installation and is driven the driven ferromagnetic block (14) that ferromagnetic block (9) is inhaled mutually or repelled each other.

2, novel appliance switch according to claim 1 is characterized in that at the two ends of working chamber (3) detent rail magnetic patch (11) being housed.

3, novel appliance switch according to claim 1 is characterized in that mounting spring (13), one end contact with fixed head (10) in contact cavities (8).

4, novel appliance switch according to claim 1 is characterized in that can being evacuated in the contact cavities (8), also can charge into the grease that chemical property is stable, be difficult for producing the protective gas of electric arc or charge into good insulating.

5, novel appliance switch according to claim 1, it is interchangeable with the material therefor of driven ferromagnetic block (14) to it is characterized in that driving ferromagnetic block (9).