CN206532981U - A kind of built-in auxiliary bullet formula safety socket - Google Patents

Abstract

The utility model discloses auxiliary bullet formula safety socket built in one kind, including live wire sleeve, live wire sleeve includes live wire fishplate bar and live wire groove set, and gap is left therebetween, gap location is provided with safety switch assembly, elastic safety switch module, including housing and shift knob；Shift knob includes silica gel leather cup and movable contact, and housing is provided with the first cavity volume, the second cavity volume, the first binding post and the second binding post, and silica gel leather cup includes chassis portion, quarrel portion, accommodating chamber and breath oral area；When silica gel leather cup is not extruded by external force, the flexible restoring force of silica gel leather cup, quarrel portion ejects and makes breath oral area extruding closing accommodating chamber, can be completely isolated by the first cavity volume and accommodating chamber, first binding post is closed, and effectively prevents steam from entering in the first cavity volume；When plug insertion, when not promoting safety switch assembly, it is not powered in the live wire groove set of socket, even if now user's touching plug conducting part, will not also be got an electric shock, security is higher by high-tension electricity.

Description

A kind of built-in auxiliary bullet formula safety socket

Technical field

The utility model is related to circuit controller, and in particular to a kind of built-in auxiliary bullet formula safety socket.

Background technology

Socket is used to the device that electrical appliance provides power supply, but is due to the state that energization is lain substantially in socket (maintaining voltage on live wire), therefore electricity is left when the circuit in socket not used time, socket remains unchanged, when liquid enters socket When, due to still maintaining voltage on live wire, the moment that liquid enters makes the short circuit in socket, causes socket to burn, deposit In higher safety issue.

When a plug is to be inserted into the socket, due to maintaining higher voltage on live wire, when the finger grip of user is in plug On, it is easy to allow user to get an electric shock；Or plug insertion it is incomplete when, exposed metal conduction portions, with high pressure Electricity is dangerous higher.

Utility model content

The purpose of this utility model is the auxiliary bullet formula safety socket built in offer one kind, only when socket is fully inserted into bottom, Socket is just powered, and is prevented effectively from user's electric shock, safe；Secondly, socket is waterproof, will not also cause socket even if water inlet Short circuit.

In order to realize above-mentioned utility model purpose, the utility model employs following technical scheme：A kind of built-in auxiliary bullet formula Safety socket, including conductive sleeve, the conductive sleeve include live wire sleeve and zero line sleeve, and live wire sleeve includes live wire fishplate bar With live wire groove set, zero line sleeve includes separately positioned between zero line fishplate bar and zero line groove set, live wire fishplate bar and live wire the groove set Gap is left, the gap location is provided with the safety switch assembly for being used for controlling connection live wire fishplate bar and live wire groove set；Safety switch Component is located at the bottom surface of live wire fishplate bar；

The safety switch assembly includes housing and shift knob；

The shift knob includes movable contact, presses the silica gel leather cup that splenium and movable telescopic reset, and presses splenium and is located at Outside housing, press splenium and moved back and forth with respect to housing, press between splenium and housing provided with the elastic component for making to press splenium reset, the silicon Rubber bowl presses the relative movable contact end of splenium positioned at same；

The housing is provided with the first binding post and second that parallel installation is provided with the first cavity volume and the second cavity volume, housing Binding post, the first binding post end is provided with the first contact site, and the first contact site is in the first cavity volume；Second binding post End is located in the second cavity volume provided with second connecting portion, second connecting portion is electrically connected with movable contact, movable contact and Silicone Rubber Bowl is respectively positioned in the second cavity volume；

Silica gel leather cup includes the chassis portion of plate-like and the quarrel portion of tubulose, and the periphery in the chassis portion and inner walls are mutually solid Fixed, provided with the accommodating chamber for accommodating movable contact in the middle part of the quarrel portion, quarrel portion is connected and synchronizing moving with pressing splenium, described The junction in chassis portion and quarrel portion is provided with the breath oral area that accommodating chamber is opened and closed with the activity of silica gel leather cup, the chassis portion, quarrel portion Setting is integrally formed with breath oral area；

It is additionally provided with the housing for increasing the holding set of breath oral area seal, the holding set is fixed in housing Portion, the holding set is annular external member, keeps set longitudinal section L-shaped, keeps set to include sleeve and keeps bottom plate, the quarrel Portion's slip cap is in sleeve；When shift knob is not restored to the original state by external force, the breath oral area is in sleeve and keeps bottom plate to hand over Extruded at boundary and close accommodating chamber, the thickness of the breath oral area is more than the wall thickness in quarrel portion；

When the inserted sheet insertion live wire sleeve of plug makes, inserted sheet push switch button makes movable contact inwardly move, elastic component Compressed, press splenium and inwardly extrude silica gel leather cup, quarrel portion moves inward and extrudes chassis portion and deforms laterally, breath oral area is the bottom of with Pan portion laterally open by movement, is connected between accommodating chamber and the first cavity volume and passes through movable contact, movable contact front end is compressed In the first contact site, second connecting portion, movable contact and the first contact site are electrically connected successively, and switch is in connected state；

When plug is extracted out of socket, shift knob by external force, is not made in the chassis portion elastic recoil of silica gel leather cup Under, press splenium resilience and pull quarrel portion and move laterally, quarrel portion drives movable contact to be together displaced outwardly, movable contact With the first contact portion from；And cease oral area by outside to be recovered to original position, when ceasing oral area and entering in sleeve due to being pressed pressure Portion is pullled, and the closed power of the extruding closing of breath oral area is bigger, and breath oral area extrudes and closes accommodating chamber between the first cavity volume Passage, switch is off.

The position that safety switch assembly presses splenium can be arranged on the bottom or side of live wire sleeve, as long as can realize slotting Seat insertion, which can be compressed, presses the function that the i.e. achievable the utility model of splenium is mentioned；

It is preferred that, the guiding conical plate for chassis portion movement and deformation laterally, the guide cone are additionally provided with the housing Plate is tapered, and guiding conical plate is located between the first cavity volume and the second cavity volume, is provided with what is passed through for movable contact in the middle part of guiding conical plate Through hole, the through hole connects the first cavity volume and the second cavity volume.

It is preferred that, the angle of the cone angle of the guiding conical plate is 130 ° -160 °.

It is preferred that, the junction of the chassis portion and inner walls is provided with the fold for occurring more large deformation amount for chassis portion Ring, the fold ring in a ring wavy, the fold ring is integrally formed setting with chassis portion.

It is preferred that, the movable contact includes offering in contact end and conductive contact bar portion, the rubber cup Bar portion lock chamber and end lock chamber, the end lock chamber are located at the silica gel leather cup side pressed where splenium, and contact bar portion is consolidated Due in bar portion lock chamber, contact end is fixed in the lock chamber of end.

It is preferred that, the first contact site of first binding post uses memory alloy material, and the first contact site includes end Portion, the arc contact portion contacted for same movable contact and heating make the kink that arc contact portion is separated with movable contact；The end Portion is located at the two ends of the first contact site and fixed with enclosure interior, and the bending part is between arc contact portion and end.

It is preferred that, the sleeve and the perpendicular setting of holding bottom plate；The perpendicular setting in chassis portion and quarrel portion.

It is preferred that, the zero line sleeve is provided with and live wire sleeve identical safety switch assembly, zero line fishplate bar and zero line groove It is separately positioned between set to leave gap, for controlling connection zero line fishplate bar and the safety switch assembly of zero line groove set to be arranged at gap Place, the first binding post and the second binding post of safety switch assembly are connected with zero line groove set and zero line fishplate bar respectively.

It is preferred that, the safety switch assembly is located at the bottom surface of zero line fishplate bar.

Compared with prior art, the built-in auxiliary bullet formula safety socket of one kind of above-mentioned technical proposal is employed, with having as follows Beneficial effect：

First, using built-in auxiliary bullet formula safety socket of the present utility model, when not promoting safety switch assembly, the live wire of socket It is not powered in groove set, even if now user's direct hand touching live wire sleeve in maintaining socket, will not also be touched by high-tension electricity Electricity, security is higher.

2nd, safety switch assembly is located at the bottom surface of live wire fishplate bar, have and only when plug it is fully-inserted on earth when, it is whole to insert Seat could be powered, and now the conductive metallic portion of plug will not be exposed outside socket, and when inserted sheet is inserted into typically, to press splenium incomplete Pressure is pressed, socket is not powered on, be prevented effectively from user's contact, it is to avoid get an electric shock.

3rd, because movable contact is fixed on inside silica gel leather cup, slight crack occurs in movable contact unavoidably in use, Steam is possible to the gap of the inwall with movable contact Yu quarrel portion and entered in accommodating chamber, now ceases oral area in silica gel leather cup resilience When, from chassis portion into quarrel portion moving process, the accommodating chamber where movable contact is completely closed, accommodating chamber is connect with first The first cavity volume where contact portion completely cuts off completely, and entering accommodating chamber even if steam can also be stopped by breath oral area so that whole safety open Close component and be in the state disconnected；Even if having liquid enter do not result in yet in socket Live line Zero line connection, it is to avoid short circuit and Burn.Only external force promotes and presses splenium, movable contact move forward and contacts the first contact site so that the internal circuit company of switch Logical, whole switch is just powered.

4th, the cooperation of set and elastic component is wherein kept, during resilience, elastic component produces elasticity to silica gel leather cup and pulls power, makes Breath oral area can be produced when entering sleeve by holding bottom plate it is enough pull power, be allowed to be converted into extruding of the breath oral area to accommodating chamber Power, sealing is better, and obturation effect is stronger.

Brief description of the drawings

Fig. 1 is the sectional view of safety switch assembly in the present embodiment 1 (do not stress state)；

Fig. 2 is the sectional view (pressing splenium stress) of safety switch assembly in the present embodiment 1；

Fig. 3 is the sectional view of silica gel leather cup in the present embodiment 1；

Fig. 4 is the sectional view of movable contact in the present embodiment 1；

Fig. 5 is the half-sectional structural representation of silica gel leather cup in the present embodiment 1；

Fig. 6 be the present embodiment 1 in keep set structural representation；

Fig. 7 is the connection diagram (normal condition) of the first contact site and movable contact in the present embodiment 1；

Fig. 8 is the connection diagram (overload) of the first contact site and movable contact in the present embodiment 1；

Fig. 9 is the structural representation of conductive sleeve and safety switch assembly in the present embodiment 1；

Figure 10 is the fractionation schematic diagram of conductive sleeve and safety switch assembly in the present embodiment 1；

Figure 11 is the structural representation of conductive sleeve and safety switch assembly in the present embodiment 2；

Figure 12 is the fractionation schematic diagram of conductive sleeve and safety switch assembly in the present embodiment 2；

Figure 13 is the structural representation of built-in auxiliary bullet formula safety socket in the utility model.

Reference：1st, safety switch assembly；10th, the first binding post；100th, the first contact site；1000th, end； 1001st, arc contact portion；1002nd, kink；11st, the second binding post；110th, second connecting portion；12nd, guiding conical plate；13rd, it is spacing Barrel；2nd, set is kept；20th, bottom plate is kept；21st, sleeve；30th, silica gel leather cup；30a, chassis portion；30b, quarrel portion；300th, Xi Kou Portion；301st, fold ring；302nd, accommodating chamber；310th, bar portion lock chamber；311st, end lock chamber；313rd, rigid outer layer；32nd, activity is touched Head；320th, contact bar portion；321st, contact end；33rd, splenium is pressed；330th, gland wall is pressed；40th, live wire fishplate bar；41st, gap；42nd, it is fiery Wire casing set；50th, zero line fishplate bar；51st, gap；52nd, zero line groove set.

Embodiment

The utility model is described further below in conjunction with the accompanying drawings.

Embodiment 1：

Auxiliary bullet formula safety socket built in one kind as shown in Fig. 1 to 10 and Figure 13, including conductive sleeve, the conductive sleeve Including live wire sleeve and zero line sleeve, live wire sleeve includes live wire fishplate bar 40 and live wire groove set 42, and zero line sleeve connects including zero line Plate 50 and zero line groove set 52, separately positioned leave sets at gap 41, the gap 41 between live wire fishplate bar 40 and live wire groove set 42 There is the safety switch assembly 1 for controlling connection live wire fishplate bar 40 and live wire groove set 42；Safety switch assembly 1 is located at live wire fishplate bar 40 bottom surface.

Safety switch assembly 1 is mainly used in controlling the connection of live wire groove set 42 and live wire fishplate bar 40, when safety switch assembly 1 First, second binding post by live wire groove set 42 be connected with live wire fishplate bar 40 when, socket can be made to be powered.

Safety switch assembly 1 is located at the bottom of live wire fishplate bar 40, therefore the metal part of only plug is fully-inserted on earth When, socket could be powered, and the metal part of plug also will not be exposed outside socket, it is possible to prevente effectively from user contacts, keep away Exempt to get an electric shock, be just powered when only inserting complete, protect user, it is safe.

As shown in Figures 1 to 8, it is safety switch assembly 1 in the present embodiment, including housing and shift knob.

As shown in figure 1, shift knob includes movable contact 32, presses the silica gel leather cup that splenium 33 and movable telescopic reset 30, splenium 33 is pressed outside the housing, and silica gel leather cup 30 is located at and the end that to press splenium 33 relative of movable contact 32.

Press splenium 33 and press button using plastics, middle part is provided with the elastic component 34 for being used for pressing the reset of splenium 33, pressure is pressed by pushing Portion 33 can realize the dilatation of silica gel leather cup 30, while in the presence of the elastic reset of elastic component 34 pulls power, can be with Allow the Rapid reset of rubber cup 30, the elastic component 34 in the present embodiment uses column spring.

The surface of housing is provided with spacing barrel 13, and pressing splenium 33 includes pressing gland wall 330, by spacing barrel 13 with pressing pressure The reciprocal telescopic of the two is realized in the spacing cooperation of tegmental wall 330, and ensures that pressing splenium 33 will not fall off.

Provided with the first binding post 10 and the second binding post 11 for being parallelly mounted to housing side in housing, housing includes First cavity volume and the second cavity volume, the end of the first binding post 10 are provided with the first contact site 100, and the first contact site 100 is located at first In cavity volume；The end of second binding post 11 is provided with second connecting portion 110, and second connecting portion 110 is electrically connected with movable contact 32, the Two connecting portions 110, movable contact 32 and silica gel leather cup 30 are respectively positioned in the second cavity volume.

Holding set 2 and guiding conical plate 12 are additionally provided with housing.Set 2 is kept to be fixed on enclosure interior, it is annular sleeve to keep set 2 Part, keeps 2 longitudinal sections of set L-shaped, keeps set 2 to include sleeve 21 and keep bottom plate 20, quarrel portion 30b is sheathed on sleeve 21 Interior, the thickness of breath oral area 300 is more than the inwall radius of sleeve 21；When shift knob is not restored to the original state by external force, oral area 300 is ceased Extruded in sleeve 21 and the holding intersection of bottom plate 20 and close accommodating chamber 302.The increase breath oral area 300 when silica gel leather cup 30 recovers To the sealing of accommodating chamber 302.

As shown in figure 3, silica gel leather cup 30 includes chassis portion 30a and quarrel portion 30b, chassis portion 30a is disc-shaped, quarrel portion In a tubular form, quarrel portion 30b is vertically connected at chassis portion 30a to 30b, chassis portion 30a be located at guiding conical plate 12 and keep bottom plate 20 it Between.

Chassis portion 30a periphery is mutually fixed by fold ring 301 with inner walls, fold ring 301 be located at chassis portion 30a and Between inner walls, in a ring wavy of fold ring 301, fold ring 301 and chassis portion 30a is integrally formed setting, fold ring 301 can be compressed and be stretched to a greater extent, it is ensured that chassis portion 30a can occur to deform to a greater extent.

Provided with the accommodating chamber 302 for accommodating movable contact 32, chassis portion 30a and quarrel portion 30b connection in the middle part of quarrel portion 30b Place is more than quarrel portion 30b wall thickness provided with breath oral area 300, the wall thickness of breath oral area 300.

Guiding conical plate 12 can be guided to chassis portion 30a moving direction, and guiding conical plate 12 is tapered, guiding conical plate 12 are located between the first cavity volume and the second cavity volume, and the middle part of guiding conical plate 12 is provided with the through hole passed through for movable contact 32, and through hole connects Logical first cavity volume and the second cavity volume.

As shown in Fig. 2 when plug inserted sheet insertion live wire sleeve 42 and promote when pressing splenium 33 of safety switch assembly 1, Inserted sheet is pushed to the left by right side presses splenium 33, and spring is compressed, and presses splenium 33 and drives quarrel portion 30b to be moved to case inside, struggles against Oral area 30b extruding breath oral areas 300 enter guiding conical plate 12 and kept between bottom plate 20, and chassis portion 30a is to the periphery of the second cavity volume Side is moved, and chassis portion 30a is extruded and drives fold ring 301 to deform, and breath oral area 300 is also moved to periphery, the accommodating chamber at middle part 302 are opened, and the contact bar portion 320 of movable contact 32 is contacted by the through hole of guiding conical plate 12 with the first contact site 100, real Existing second connecting portion 110, the electric connection of the contact site 100 of movable contact 32 and first, safety switch assembly are in connected state, fire It is powered in line sleeve 42, and applies electric current for the inserted sheet of plug.

As shown in figure 1, when plug is extracted in socket, the no longer stress of splenium 33 is pressed, in answering for spring restoring force Under the effect of position, it will press splenium 33 to hull outside and eject, quarrel portion 30b pulls to the right reset, and chassis portion 30a is by the second cavity volume Two ends are replied to middle part, and movable contact 32 follows quarrel portion 30b to be moved from enclosure interior to outside, and breath oral area 300 also has outside In into the sleeve 21 for keeping set 2, because the barrel internal diameter of sleeve 21 is less than the thickness of breath oral area 300, breath oral area 300 is in spring Pull in the presence of power in sleeve 21 and keep the junction of bottom plate 20 mutually to extrude, accommodating chamber 302 is closed, accommodating chamber is disconnected 302 and first cavity volume connection, keep covering 2 sealings for adding breath oral area 300 by rigid, while safety switch assembly Home loop is changed into open circuit, and the connection of the first binding post and the second binding post disconnects, even if now there is steam solid from bar portion Determine chamber 310 to enter in accommodating chamber 302, due to ceasing the extruding sealing process of oral area 300, steam is obstructed, makes the first cavity volume In air-tight state.

Splenium 33 is pressed using the plastic material of hard as pressing button, and coordinates spacing barrel 13 and presses gland wall 330, can So as to press splenium 33 with certain anti-bending strength, even if pressing during pressure, Impact direction generation is crooked, will not also to press pressure Portion 33 can not stretch.

Movable contact 32 is in T-shape, includes opening up in the contact bar portion 320 of contact end 321 and conduction, quarrel portion 30b There are bar portion lock chamber 310 and end lock chamber 311, end lock chamber 311 is located at the side of silica gel leather cup 30 pressed where splenium 33, Contact bar portion 320 is fixed in bar portion lock chamber 310, and contact end 321 is fixed in end lock chamber 311.

Bar portion lock chamber 310 and end lock chamber 311 effectively improve movable contact 32 in the fixation in silica gel leather cup 30, prevent Only it is deformed and the skew and dislocation abjection phenomenon produced in moving process in rubber cup 30.

First contact site 100 of the first binding post 10 uses memory alloy material, and the first contact site 100 includes end 1000th, it is curved that the arc contact portion 1001 that is contacted for same movable contact and heating make that arc contact portion 1001 separates with movable contact 32 Folding part 1002；End 1000 is located at the two ends of the first contact site 100 and fixed with enclosure interior, and kink 1002 is touched positioned at arc Between portion 1001 and end 1000.

The memory alloy material used in the present embodiment has a feature, i.e., curved when the temperature of the first contact site 100 rises The bending angle of folding part 1002 can become big, and end 1000 is the fixation for the two ends of the first contact site 100.

As shown in Figure 7 and Figure 8, when the power for switching vigour part is excessive or overloads, the electricity passed through in the first contact site 100 Stream is larger, and the heat of generation becomes many, the rising of the bulk temperature of the first contact site 100, due to the two ends of end 1000 be it is fixed, therefore Kink 1002 is shunk and close to two ends, and arc contact portion 1001 is overall to be offset to the left side, and spacing is produced simultaneously with movable contact 32 Disconnected with movable contact 32, now switch is off, it is to avoid electrical appliance overloads, it is ensured that security.

Embodiment 2：

As is illustrated by figs. 11 and 12, difference of the present embodiment with respect to embodiment 1 is：Zero line sleeve is provided with and live wire sleeve Identical safety switch assembly 1, it is separately positioned between zero line fishplate bar 50 and zero line groove set 52 to leave gap, for controlling connection zero The safety switch assembly 1 of line fishplate bar 50 and zero line groove set 52 is arranged at gap 51, the first binding post of safety switch assembly 1 10 and second binding post 11 respectively with zero line groove set 52 and zero line fishplate bar 50 be connected.

The function of safety switch assembly 1 on zero line sleeve and the function phase of safety switch assembly 1 on live wire sleeve are same.Cause For in daily life, the live wire and zero line of socket may have a misconnection during connecing, i.e. zero line and live wire connects Instead.

The insert row of in the market, it has plug, and plug is generally three prongs of plug, and reason is that three prongs of plug can ensure to insert Zero line live wire is corresponding in row, because the direction of insertion of three prongs of plug is fixed-direction, and double insert can then exchange mutually.

But part manufacturer can produce double slotting plugs according to the actual requirements, if the utility model is applied to the instruments such as insert row When, when the plug of insert row is double inserts, double plugs are not easy to distinguish zero line and live wire when in use, if the insertion of double plugs Direction reversely, is then connected with high-tension electricity in zero line sleeve, and live wire sleeve then no power, is exchanged equivalent to zero line live wire.

Therefore the present embodiment is advantageous in that, after zero line live wire is exchanged, and still can give play to what is mentioned in embodiment 1 Function, security is higher.

It is described above to make preferred embodiment of the present utility model, do not depart from for the person of ordinary skill of the art On the premise of the utility model principle, some variations and modifications can also be made, these also should be regarded as protection of the present utility model Scope.

Claims (9)

1. a kind of built-in auxiliary bullet formula safety socket, including conductive sleeve, the conductive sleeve include live wire sleeve and zero line sleeve, Live wire sleeve includes live wire fishplate bar (40) and live wire groove set (42), and zero line sleeve includes zero line fishplate bar (50) and zero line groove set (52), it is characterised in that：It is separately positioned between the live wire fishplate bar (40) and live wire groove set (42) to leave gap (41), it is described between Gap (41) place is provided with the safety switch assembly (1) for being used for controlling connection live wire fishplate bar (40) and live wire groove set (42)；Safety switch Component (1) is located at the bottom surface of live wire fishplate bar (40)；

The safety switch assembly (1) includes housing and shift knob；

- the shift knob includes movable contact (32), presses splenium (33) and the silica gel leather cup (30) of movable telescopic reset, presses Splenium (33) is located at outside housing, presses splenium (33) and is moved back and forth with respect to housing, and pressing splenium (33) and being provided between housing makes to press pressure The elastic component (34) that portion (33) resets, the silica gel leather cup (30) is located at movable contact (32) end relative with splenium (33) is pressed End；

- the housing is provided with the first binding post (10) in the first cavity volume and the second cavity volume, housing provided with parallel installation and the Two binding posts (11), the first binding post (10) end is provided with the first contact site (100), and the first contact site (100) is located at the In one cavity volume；Second binding post (11) end is provided with second connecting portion (110) is electrically connected with movable contact (32), and second connects Portion (110) is located in the second cavity volume, and movable contact (32) and silica gel leather cup (30) are respectively positioned in the second cavity volume；

- silica gel leather cup (30) is included outside the chassis portion (30a) of plate-like and the quarrel portion (30b) of tubulose, the chassis portion (30a) Week is mutually fixed with inner walls, provided with the accommodating chamber (302) for accommodating movable contact (32), quarrel in the middle part of the quarrel portion (30b) Portion (30b) is connected and synchronizing moving with pressing splenium (33), and the chassis portion (30a) and quarrel portion (30b) junction are provided with With silica gel leather cup (30) activity open and close accommodating chamber (302) breath oral area (300), the chassis portion (30a), quarrel portion (30b) and Breath oral area (300) is integrally formed setting；

It is additionally provided with-the housing for increasing the holding set (2) of breath oral area (300) seal, it is described to keep set (2) to be fixed on Enclosure interior, the holding set (2) is annular external member, keeps set (2) longitudinal section L-shaped, keeps set (2) to include sleeve (21) With holding bottom plate (20), quarrel portion (30b) slip cap is in sleeve (21)；When shift knob is not restored to the original state by external force When, the breath oral area (300) is in sleeve (21) and keeps bottom plate (20) intersection to extrude and closes accommodating chamber (302), the breath The thickness of oral area (300) is more than the wall thickness of quarrel portion (30b)；

When the inserted sheet insertion live wire sleeve of plug makes, inserted sheet push switch button makes movable contact (32) inwardly shifting, elastic component (34) compressed, press splenium (33) inwardly extruding silica gel leather cup (30), quarrel portion (30b) is moved inward and extruded chassis portion (30a) is deformed laterally, and breath oral area (300) with chassis portion (30a), open laterally by movement, accommodating chamber (302) and the first cavity volume Between connect and pass through movable contact (32), movable contact (32) front end is pressed on the first contact site (100), second connecting portion (110), movable contact (32) and the first contact site (100) are electrically connected successively, and switch is in connected state；

When plug is extracted out of socket, shift knob is not by external force, in the elasticity of elastic component (34) and silica gel leather cup (30) Under rebound effect, splenium (33) is pressed by elastic component (34) resilience and pulls quarrel portion (30b) and moves laterally, quarrel portion (30b) drives movable contact (32) to be together displaced outwardly, and movable contact (32) is separated with the first contact site (100)；And cease mouth Portion (300) is recovered to original position by outside, when breath oral area (300) is interior into sleeve (21) due to by the drawing for pressing splenium (33) Pull, the closed power of the extruding closing of breath oral area (300) is bigger, breath oral area (300) extrudes and closes accommodating chamber (302) to be held with first Passage between chamber, switch is off.

2. built-in auxiliary bullet formula safety socket according to claim 1, it is characterised in that：It is additionally provided with the housing bottom of for The guiding conical plate (12) of pan portion (30a) movement and deformation laterally, the guiding conical plate (12) is tapered, and guiding conical plate (12) is located at The through hole passed through for movable contact (32), the through hole are provided between first cavity volume and the second cavity volume, in the middle part of guiding conical plate (12) Connect the first cavity volume and the second cavity volume.

3. built-in auxiliary bullet formula safety socket according to claim 2, it is characterised in that：The cone angle of the guiding conical plate (12) Angle be 130 ° -160 °.

4. built-in auxiliary bullet formula safety socket according to claim 1, it is characterised in that：The chassis portion (30a) and housing The junction of inwall is provided with the fold ring (301) for occurring more large deformation amount for chassis portion (30a), and the fold ring (301) is in ring Shape it is wavy, the fold ring (301) and chassis portion (30a) are integrally formed setting.

5. built-in auxiliary bullet formula safety socket according to claim 1, it is characterised in that：The movable contact (32) includes touching Bar portion lock chamber (310) and end are offered in the contact bar portion (320) of cephalic par (321) and conduction, the silica gel leather cup (30) Portion's lock chamber (311), the end lock chamber (311) is located at silica gel leather cup (30) side pressed where splenium (33), contact stem Portion (320) is fixed in bar portion lock chamber (310), and contact end (321) is fixed in end lock chamber (311).

6. built-in auxiliary bullet formula safety socket according to claim 1, it is characterised in that：First binding post (10) First contact site (100) uses memory alloy material, and the first contact site (100) includes end (1000), for same movable contact The arc contact portion (1001) of contact and heating make the kink (1002) that arc contact portion (1001) is separated with movable contact (32)；Institute End (1000) is stated positioned at the two ends of the first contact site (100) and is fixed with enclosure interior, the kink (1002) is located at arc Between shape contact portion (1001) and end (1000).

7. built-in auxiliary bullet formula safety socket according to claim 1, it is characterised in that：The sleeve (21) and holding bottom plate (20) it is perpendicular to set；Chassis portion (30a) and quarrel portion (30b) perpendicular setting.

8. built-in auxiliary bullet formula safety socket according to claim 1, it is characterised in that：The zero line sleeve is provided with and live wire Sleeve identical safety switch assembly (1), it is separately positioned between zero line fishplate bar (50) and zero line groove set (52) to leave gap, it is used for The safety switch assembly (1) of control connection zero line fishplate bar (50) and zero line groove set (52) is arranged at gap (51) place, safety switch The first binding post (10) and the second binding post (11) of component (1) connect with zero line groove set (52) and zero line fishplate bar (50) respectively Connect.

9. built-in auxiliary bullet formula safety socket according to claim 8, it is characterised in that：Safety open on the zero line sleeve Close the bottom surface that component (1) is located at zero line fishplate bar (50).