CN86208638U

CN86208638U - Power plug with a switch

Info

Publication number: CN86208638U
Application number: CN 86208638
Authority: CN
Inventors: 陈雨龙
Original assignee: Individual
Current assignee: Individual
Priority date: 1986-11-03
Filing date: 1986-11-03
Publication date: 1987-12-05

Abstract

The utility model discloses a power plug with a switch, comprising an electric insulating cover cap combined by a front and a back two parts capable of oppositely rotating. The back part of the conductive metal pin on the front cover cap and a metal contact tip inside the back cover cap can be movably contacted with each other through a corresponding elastic contacting device arranged on one of front and back cover caps, and the front and back cover caps oppositely rotated can make a circuit position the connecting or disconnecting state and are fixed through a movable positioning device. The advantages of the utility model are that the power plug with a switch can reduce the inserting and pulling times of the domestic appliance used and matched with the power plug, has safety, convenience and cost saving and is favorable for protecting the domestic appliance.

Description

Power plug with a switch

The utility model relates to a kind of attaching plug of belt switch.

Plug used in everyday comprises a cover cap of being made by bakelite or thermoplastics, and this cover cap is partly fixedly formed by screw by front cover and the back cover cap two towards supply socket.After fixing, form a cavity between front cover and the back cover cap, but can not relatively rotate, with front cover sheet metal or the post more than two cast in block, it protrudes in the outer end of cover cap, be that latch and socket are used, its end that is positioned at the cover cap cavity is connected with external wire by cord grip.This plug is as being used with household electrical appliance such as television set, recorders, even shut the switch of electrical equipment such as television set, recorder during shutdown, also needs plug is extracted from socket, in order to avoid damage this electric appliances.As for fear of above-mentioned problem, the switch that can cut off the electricity supply fully of series connection then will increase expense again between plug and electrical equipment.

The purpose of this utility model provides a kind of belt switch plug that can cut off the electricity supply fully; use this plug; household electrical appliance of being used with it etc. needn't be extracted plug when stopping using from socket; to reduce the plug number of times of plug; both safe readies; reduce expenses again, and help protecting household electrical appliance.

The purpose of this utility model realizes by following manner, the plug of this belt switch, comprise one by towards the front cover of supply socket with back cover cap two parts combine and cover cap in relative rotation, at the conducting metal latch that embeds on the front cover more than two, described back cover cap internal fixation be provided with more than two with described front cover on the corresponding metal contact in described latch position, one end of described metal contact is connected with external wire, the rear portion of corresponding latch is by placing movable contact of arrangement for resilient contacting on one of described front and back cover cap and that engage with the rear portion or the described contact of described latch on the other end and the described front cover, outside the center of one of described front and back cover cap, be embedded with one, in another cover cap center one through hole is arranged, described axle passes described through hole, and puts a thrust brake that can make the front and back cover cap relatively rotate and don't can break away from the end of described axle.Also have, among the cover cap of described front and back, put a movable locating device, metal contact, arrangement for resilient contacting and latch are in break away from or can not change the position voluntarily when contacting.

The utility model has the advantages that, a kind of belt switch plug that can cut off the electricity supply fully is provided.Use this plug, the household electrical appliance that are used with it etc. needn't be extracted plug when stopping using from socket, to reduce the plug number of times of plug, both safe ready had been reduced expenses again, and helped protecting household electrical appliance.

Below in conjunction with accompanying drawing embodiment of the present utility model is further described, wherein:

Fig. 1 is the longitudinal sectional drawing of the utility model one embodiment;

Fig. 2 is the drawing in side sectional elevation along Figure 1A-A line;

Fig. 3 is the drawing in side sectional elevation along Figure 1B-B line;

Fig. 4 is the profile vertical view of Fig. 1.

Referring to Fig. 1, this is the longitudinal sectional drawing that the utility model belt switch is inserted first embodiment, and it comprises a cover cap of being made by bakelite or thermoplastic, and this cover cap is combined by axle 10 by front cover 5 and the back cover cap 9 towards supply socket.The center of described axle 10 fixedly embedded described back cover caps 9, there is the through hole of a band counterbore center of described front cover 5, and described axle 10 passes the central through hole of described front cover 5, and disposes a jump ring 4 at the axle head that is positioned at described counterbore.Front cover 5 that so connects and back cover cap 9 can relatively rotate, but can not separate.

Fixedly embedded three conducting metal latch 3(such as Fig. 2 on described front cover 5, shown in Figure 4), rear portion at the described latch 3 that is positioned at described front cover 5 limits a space, to hold the arrangement for resilient contacting of conduction, described arrangement for resilient contacting comprises spring 2 and metal cap 1 placed on it, and described spring 2 engages with the rear portion of described latch 3.Fixedly embedded three metal contact 11(are as shown in Figure 3 on the cover cap 9 of described back), an end of described metal contact 11 is fixedlyed connected with external wire 12, and the other end can contact with corresponding arrangement for resilient contacting activity on the described front cover 5.

The edge on described front cover 5 and cover cap 9 composition surfaces, described back is composition surfaces 13 of a stairstepping, with the track as the stable rotation of front and back cover cap.For making the metal cap 1 energy relative fixed when contacting or break away from (also promptly switching on or off circuit) on described metal contact 11 and the described front cover 5 on the cover cap 9 of described back, in the cover cap 9 of described back, establish a chamber 14 that movable locating device is installed, described movable locating device is by button 6, locating piece 7 and spring 8 are formed, one distal process of described button 6 is for outside the cover cap 9 of described back, the other end of described button 6 removably connects with the locating piece 7 usefulness screw threads or the tight fit that are positioned at cover cap chamber, back 14, described spring 8 places the opposite side of locating piece 7, the part of described locating piece 7 is positioned at 14 li of cover cap chambers, back, another part extends to 15 li of the respective grooves of described front cover 5, described front cover groove 15 is the deep-slotted chip breaker about one 60 °, and the

radial groove

16 and 17 that holds described locating piece 7 location is arranged at the two ends of described groove 15.Press push button 6, described front cover 5 and described front cover 9 can relatively rotate, and described locating piece 7 when described locating piece 7 is positioned at radial groove 16, is the circuitry cuts state along groove 15 move left and right simultaneously; When described locating piece 7 is positioned at radial groove 17, be the circuit on-state.

In the foregoing description, described positioner also can place the indoor of front cover 5, and leaves corresponding grooves 15 in the back on the cover cap 9, use with embodiment in identical operation principle position.In addition, spring 8 in the described positioner also can place the opposite side of locating piece 7, it is a side at button 6 places, at this moment, chamber 14 makes corresponding changes to hold spring 8, and groove 15 also makes corresponding changes, the former radial groove of putting in deep-slotted chip breaker 15

outsides

16 and 17 is placed deep-slotted chip breaker 15 inboards, like this, when pull up button 6 can relatively rotate described front cover 5 and described after cover cap 9, and reach the location purpose.

In the foregoing description, described arrangement for resilient contacting also can place within the cover cap 9 of back, and its medi-spring 2 engages with metal contact 11, places the metal cap 1 on the spring 2 to contact with the rear portion of metal bolt is movable.

In the foregoing description, described axle 10 also can fixedly embedded front cover 5 centers, and establish a through hole in cover cap 9 centers, back, and axle 10 passes through hole, and disposes thrust brakes such as a split pin or jump ring at axle head.

In the foregoing description, described conducting metal latch 3 is three, but also can be two or four; Described conducting metal latch can be a sheet shape, also can be cylindricality; Described cover cap can be circular, also can be square, triangle or other shape.

Numbering identical on institute's drawings attached is represented identical parts and structure.

Claims

1, a kind of attaching plug, be particularly related to a kind of attaching plug of belt switch, it comprises the front cover and the back cover cap of the electric insulation of a pair of mutual combination, and at the conducting metal latch that is embedded with on the front cover more than two, it is characterized in that, described back cover cap internal fixation be provided with more than two with described front cover on the corresponding metal contact in described latch position, one end of described metal contact is connected with external wire, the rear portion of corresponding latch is by placing movable contact of arrangement for resilient contacting on one of described front and back cover cap and that engage with the rear portion or the described contact of described latch on the other end and the described front cover, be embedded with one in the center of one of described front and back cover cap, in another cover cap center one through hole is arranged, described axle passes described through hole, and the end of described axle put one can make before and after the cover cap thrust brake that relatively rotates and don't can break away from, also have, among the cover cap of described front and back, put one when described metal contact, arrangement for resilient contacting and described latch are in the movable locating device that can not change the position when cutting off or connecting voluntarily.

2, belt switch plug according to claim 1, it is characterized in that, it is indoor that the part of described movable locating device is installed in of one of described front and back cover cap, described movable locating device is by button, locating piece and spring are formed, one distal process of described button is for outside the cover cap that contains the chamber, the other end removably connects at described indoor and described locating piece, described spring places a side of described locating piece, the some of described locating piece is positioned in the described chamber, another part extends in the respective grooves of another cover cap, described groove is the deep-slotted chip breaker about one 60 °, and the radial groove that holds described locating piece location is arranged at the two ends of described groove.

3, belt switch plug according to claim 2 is characterized in that, the part of described movable locating device is installed in the described indoor of described back cover cap, and described groove is positioned on the described front cover.

4, belt switch plug according to claim 3, it is characterized in that, rear portion at the described latch that is positioned at described front cover limits a space that holds the arrangement for resilient contacting of conduction, described arrangement for resilient contacting comprises a spring and a metal cap placed on it, and described spring engages with the rear portion of described latch.

5, belt switch plug according to claim 4, it is characterized in that, be embedded with one, the through hole of a band counterbore is arranged in described front cover center in cover cap center, described back, described axle passes described through hole, and disposes a jump ring at the axle head that is positioned at described counterbore.

6, belt switch plug according to claim 5 is characterized in that, the edge on described front cover and cover cap composition surface, described back is a step-like composition surface.