CN87207408U - Socket or plug with switch - Google Patents

Abstract

The utility model discloses a socket and a plug with a switch. The socket and the plug are provided with an enclosed space at the back of the fixed base of a common socket or a plug. An operating lever whose both ends extend out of the enclosed space, a pressing arm connected with the operating lever and provided with two elastic movable contact ends, four fixed contact ends respectively connected with the phase wire of a power, the center wire of the power, and an inserting sleeve (or a pin), and the bifilar switch of the location mechanism of the operating lever are arranged in the space. The utility model has the advantage that the plug does not need to be extracted and the power of an electric appliance can be thoroughly cut off.

Description

Socket or plug with switch

The utility model is about the socket of the socket of household electrical appliance and plug, particularly belt switch and plug.

Adjustable household electrical equipment, television set, broadcast receiver, recorder etc. all use plug at present, are connected with power supply by socket.Plug is made of the shell of insulation and the latch that stretches out shell, and the lead of various electrical equipment portion is not in the enclosure held directly with latch respectively and is connected.Socket is then by the cover cap of band jack, fixedly the base and the corresponding sleeve that is fixed on the base with jack position of cover cap and sleeve are formed.Phase line of power directly is connected with sleeve with center line.Therefore this plug and socket when above-mentioned electrical equipment is not worked, need take out plug owing to can't cut off the electricity supply from socket.In addition, sell a kind of socket on the market with the single line switch, when switch series is connected on the power supply phase alignment circuit, can be after cutting off circuit, no-voltage exists on the element of various electrical equipment.If switch is connected on the neutral circuit of power supply, then when cutting off circuit, the element of each electrical equipment still is under the effect of supply voltage, and this life-span to element is disadvantageous, nor safety.

The purpose of this utility model is to provide a kind of and needn't pull out when above-mentioned electrical equipment is not worked, but can will connect socket and the plug that phase line of power and neutral circuit cut off simultaneously.

The utility model is achieved in that at common socket and plug rear portion, be one side of non-installation sleeve or latch, by the enclosure space that an installation switch is set between firm banking that sleeve or socket are installed and the bonnet, above-mentioned enclosure space be equipped with comprise is connected with sleeve or latch two fixedly contact jaw, be connected with center line with the power supply phase line respectively two fixedly contact jaw, two ends stretch out in the joystick outside the enclosure space, the pressure arm that is provided with the movable contact jaw of being with spring that is connected with joystick and the two-wire switch of operating lever locating mechanism.

Below in conjunction with accompanying drawing the utility model is explained in detail.

Fig. 1 is a kind of socket schematic appearance of belt switch.

Fig. 2 is a rearview shown in Figure 1.

Fig. 3 is a kind of structural representation of operating lever locating mechanism locating piece.

Fig. 4 is the another kind of structural representation of operating lever locating mechanism locating piece.

Fig. 5 is an another kind of operating lever locating mechanism schematic diagram of the present utility model.

The socket of a kind of belt switch of the present utility model as depicted in figs. 1 and 2.The cover cap 1 that has jack 2 is screwed on holder 3.The position of the jack 2 on corresponding cover cap 1 on the holder 3 is fixed with sleeve.In the space that a side and the bonnet 10 of holder 3 non-installation sleeves formed a sealing.A two-wire switch is installed in this space.The two-wire switch comprises and is arranged on the fixedly contact jaw 4 and 8 that is connected with sleeve on the holder 3, and the fixedly contact jaw 5 and 7 that is connected with center line with the power supply phase line respectively.Movable contact jaw 6 and 9 is arranged at pressure arm 12 both sides of insulation respectively, and with fixing contact jaw 4 and 5,7 and 8 corresponding.Movable contact jaw 6 and 9 is provided with sliding pin 14, and sliding pin 14 inserts in the corresponding slide opening of pressure arm 12.Spring 11 is enclosed within on the sliding pin 14, and is bearing between pressure arm 12 and movable contact jaw 6 and 9.Pressure arm 12 to fixing contact jaw 4 and 5,7 and 8 near the time, exert pressure to movable contact jaw 6 and 9 by spring 11, so that movable contact jaw 6 and 9 forms good electrical contact with fixing contact jaw 4 and 5,7 and 8 respectively.And when pressure arm 12 counter motions, by sliding pin 14 movable contact jaw 6 and 9 is mentioned, make them and fixedly contact 4 and 5,7 and 8 and disengage, thereby cut off power supply up hill and dale.Joystick 13 is positioned at the center of enclosure space, and two ends stretch out in this enclosure space.Pressure arm 12 links to each other with joystick 13 and moves with joystick 13.Joystick 13 is provided with projection 24 towards the one side of holder 3, and compression spring 19 is bearing on the side of projection 24 and holder 3.Compression spring 19 puts on the axial force of joystick 13 and tries hard to make movable contact jaw 6 and 9 to break away from fixedly contact jaw 4 and 5,7 and 8 by pressure arm 12.Joystick 13 is provided with the guiding bearing pin 18 partly that inserts locating piece 20.The bearing pin 16 of holder 3 passes the elongated slot 15 on the joystick 13, and locating piece 20 and torque spring 17 are enclosed within on the bearing pin 16 loosely.One end of torque spring 17 contacts with locating piece 20, tries hard to make locating piece 20 to rotate along clockwise around bearing pin 16.Locating piece 20 is provided with the chute type guiding part (see figure 3) that approximate heart-shaped three side sealing closes, it comprises the closed chute sections 21 that begins to be positioned at a heart-shaped side and degree of depth unanimity from heart-shaped pinnacle, identical and the middle part of one section degree of depth that link to each other with closed chute sections 21 has the locking chute sections 22 to heart-shaped pinnacle depression, and the degree of depth that is positioned at heart-shaped pinnacle opposite side is from connecting locking chute sections 22 to the heart-shaped most advanced and sophisticated release chute sections 23 that reduces gradually.When pressing joystick 13, bearing pin 18 moves to locking chute sections 22 from heart-shaped pinnacle along closed chute sections 21, makes locating piece 20 around bearing pin 16 counterclockwise rotations, and tightens torque spring 17.This moment, movable contact jaw 6 and 9 to fixing contact jaw 4 and 5,7 and 8 approaching compressed spring 19 pressurizeds.When bearing pin 18 was in closed slideway end 21 tails, locating piece 20 made bearing pin 18 enter the recess of locking chute sections 22 along the clockwise rotation under the effect of torque spring 17.Because the effect bearing pin 18 of compression spring 19 is stuck in above-mentioned recess stop motion, movable contact jaw 6 and 9 then presses on fixing contact jaw 4 and 5,7 and 8, sleeve then with power connection.Press joystick 13 once more, bearing pin 18 is deviate from from the recess of locking chute sections 22, torque spring 17 promotes locating piece 20 along the clockwise rotation, bearing pin 18 enters release chute sections 23 and returns the starting point that closed chute sections 22 is returned on heart-shaped pinnacle again, and movable contact jaw 6 makes sleeve thoroughly separate with power supply with 9 under 19 effects of compression spring.Because the degree of depth of the closed chute sections 21 at place, heart-shaped pinnacle is greater than the section that discharges chute sections 23, so bearing pin 18 can only unidirectional motion.Acute angle mode is as shown in Figure 3 adopted in closed chute sections 21 and locking chute sections 22 junctions, can make rapid, the stable recess that enters locking chute sections 22 of bearing pin 18.

Fig. 4 is the another kind of version of locating piece 20, its guiding partly is open, comprise be positioned at locating piece 20 1 sides from the locating piece pin shaft hole far heal closure guiding periphery 25, one end outward-dipping with closed guiding periphery 26 be acute angle have the locking guiding periphery 26 of depression in the middle of being connected and be positioned at locking lead peripheral 26 other ends and with the crossing release guiding surface 27 in locating piece 20 end face obtuse angles.Its operation principle is identical with structure shown in Figure 3, and motion rule mark is similar.Right angle crimp 36 is placed restrictions on the scope that rotatablely moves of locating piece 20.

Fig. 5 is the another kind of form of the utility model operating lever locating mechanism.Four shaft shoulders 29 along the equally distributed v-depression 28 of circumference are arranged at the top of joystick 13, and the shaft shoulder 29 is provided with the axial keyway 30 of the center line of two symmetrical distributions by v-depression 28 the lowest point.The abutment sleeve 31 that is connected with pressure arm 12 is enclosed within on the joystick 13.Abutment sleeve 31 and the shaft shoulder 29 relative ends are provided with along 33, two axial keyways 34 of the shaft shoulder of equally distributed four the zigzag grooves 32 of circumference and are symmetrically distributed on the shaft shoulder 33, and a side of keyway 34 overlaps with a straight flange of zigzag groove 32.Compression spring 19 acts between the sidewall of pressure arm 12 and holder 3.Be separately positioned on the axial bond 35 of holder 3 and bonnet 10 corresponding sites.Key 35 embeds keyway 30, and joystick 13 can only be moved vertically.One end of key 35 nearly abutment sleeves 31 has one and cooperates consistent hypotenuse with the hypotenuse direction of zigzag groove 32.When movable contact jaw 6 and 9 was in fixing contact jaw released state, key 35 also embedded in the keyway 34, and the hypotenuse and the hypotenuse of zigzag groove 32 of each v-depression 28 had only partly and contacted this moment.Press joystick 13, abutment sleeve 31 is when dropping to key 35 and break away from keyways 34, because the effect abutment sleeve 31 on the inclined-plane of v-depression 28 and zigzag groove 32 rotates with the decline of joystick 13.The inclined-plane of the next zigzag groove on the inclined-plane of key 35 and the shaft shoulder 33 contacts, and abutment sleeve 31 continues rotation and rises under the effect of compression spring 19, till key 35 is blocked by the straight flange of zigzag groove 32.Meanwhile movable contact jaw 6 and 9 and fixedly contact jaw 4 and 5,7 and 8 intimate engagement are lock-out state.When pressing joystick 13 again, key 35 disengages with zigzag groove 32, abutment sleeve 31 rotates under the ramp effect of v-depression 28 and zigzag groove 32, the inclined-plane of key 35 meets with the inclined-plane of next zigzag groove 32 again, make 31 rotations of setting sleeve, key 35 enters keyway 34, and abutment sleeve 31 rises under the effect of compression spring 19, movable contact jaw 6 and 9 with fixing contact jaw 4 and 5,7 and 8 disengagings.

The utility model can also be the plug of belt switch except that the socket of above-mentioned belt switch.This moment, fixedly contact jaw 4 linked to each other with two latches that protrude in holder 3 another sides respectively with 8, and remaining switch partial structure is with above-mentioned identical.

The utlity model has does not need to plug the advantage that plug just can be cut off the electricity supply up hill and dale, for the life-span that can prolong potentiometer the electrical equipment of making switch of potentiometer. And volume is no more than general socket and plug, except can avoiding in addition hand accidentally to contact all possibilities of latch, thus more safely electricity consumption.

Claims (6)

1, a kind of cover cap, sleeve that includes jack, be used for fixing the switch socket of the holder of cover cap and sleeve, it is characterized in that being provided with between side of the non-installation sleeve of holder and the bonnet enclosure space of an installation switch, above-mentioned enclosure space be equipped with comprise be connected with sleeve two fixedly contact jaw, be connected with center line with the power supply phase line respectively two fixedly contact jaw, two ends stretch out in joystick outside the enclosure space, the pressure arm of the movable contact jaw that is provided with the band spring that is connected with joystick and the two-wire switch of operating lever locating mechanism.

2, a kind of belt switch plug that comprises latch and holder, it is characterized in that being provided with between side of the non-installation latch of holder and the bonnet enclosure space of an installation switch, above-mentioned enclosure space be equipped with comprise be connected with latch two fixedly contact jaw, be connected with center line with the power supply phase line two fixedly contact jaw, two ends stretch out in joystick outside the enclosure space, the pressure arm of the movable contact jaw that is provided with the band spring that is connected with joystick and the two-wire switch of operating lever locating mechanism.

3, according to the socket and the plug of claim 1 and 2 described belt switches, it is characterized in that described operating lever locating mechanism comprises the bearing pin that is installed on the joystick and partly contacts with the guiding of locating piece, is enclosed within on the bearing pin of holder loosely and is provided with the locating piece of torque spring, applies the compression spring of axial force to joystick.

4, the socket of belt switch according to claim 3 and plug, the locating piece that it is characterized in that described operating lever locating mechanism is provided with the chute type guiding part that approximate heart-shaped three side sealing closes, it comprises the closed chute sections that begins to be positioned at a heart-shaped side and degree of depth unanimity from heart-shaped pinnacle, one end and closed the chute sections identical and middle part of the degree of depth that links to each other has locking chute sections to heart-shaped pinnacle depression, and the degree of depth that is positioned at heart-shaped pinnacle opposite side is from connecting the release chute sections that the locking chute sections reduces gradually to heart-shaped pinnacle.

5, the socket of belt switch according to claim 3 and plug, the locating piece that it is characterized in that described operating lever locating mechanism is provided with the approximate heart-shaped open guiding of motion rule mark partly, it comprise be positioned at locating piece one side from closure guiding periphery that the locating piece pin shaft hole is more far healed outward-dipping, an end and closed guiding periphery be acute angle have in the middle of being connected the locking guiding of depression peripheral and be positioned at lock lead the peripheral other end and with the crossing release guiding surface in locating piece end face obtuse angle.

6, socket and plug according to claim 1 and 2 described belt switches, it is characterized in that described operating lever locating mechanism comprises to be positioned at four shaft shoulder and the center line of two symmetrical distributions and axial keyways of v-depression central lines along the equally distributed v-depression of circumference are arranged on the joystick, be enclosed within that joystick is outer to be connected with pressure arm and an end has the abutment sleeve of the axial keyway that overlaps with the straight flange of zigzag groove along a side of the shaft shoulder of equally distributed four the zigzag grooves of circumference and two symmetrical distributions, to abutment sleeve apply the compression spring of axial force and be separately positioned on holder and bonnet on an end have the axial bond on inclined-plane.

Images