Built-in auxiliary bullet formula safety socket
Technical field
The present invention relates to circuit controller, and in particular to built-in auxiliary bullet formula safety socket.
Background technology
Socket is used to the device that electrical appliance provides power supply, but due to lying substantially in the state of energization in socket
(maintaining voltage on live wire), therefore when socket not used time, the circuit in socket still leaves electricity, when liquid enters socket
When, due to still maintaining voltage on live wire, the moment that liquid is entered makes the short circuit in socket, causes socket to burn, deposits
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, also with high pressure
Electricity is dangerous higher.
The content of the invention
The purpose of the present invention is that, to provide built-in auxiliary bullet formula safety socket, only when socket is fully inserted into bottom, socket just leads to
Electricity, is prevented effectively from user electric shock, safe;Secondly, socket is waterproof, even if water inlet is also not result in socket short circuit.
In order to realize foregoing invention purpose, technical scheme below is present invention employs:Built-in auxiliary bullet formula safety socket, including
Conductive sleeve, the conductive sleeve includes live wire sleeve and zero line sleeve, and live wire sleeve includes live wire fishplate bar and live wire groove set, zero
Line sleeve includes zero line fishplate bar and zero line groove set, separately positioned between the live wire fishplate bar and live wire groove set to leave gap, described
Gap location is provided with for the safety switch assembly of control connection live wire fishplate bar and live wire groove set;Safety switch assembly connects positioned at live wire
The bottom surface of plate;
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 move back and forth with respect to housing, press and the elastic component for making to press splenium reset, the silicon are provided between splenium and housing
Rubber bowl presses the relative movable contact end of splenium positioned at same;
The housing is provided with the first cavity volume and the second cavity volume, and first binding post and second of parallel installation is provided with 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 provided with and electrically connect second connecting portion with movable contact, and second connecting portion is located in the second cavity volume, 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 is mutually solid with inner walls
Fixed, the quarrel portion middle part is provided with the accommodating chamber for accommodating movable contact, and quarrel portion is connected and synchronizing moving with splenium is pressed, 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;
The holding set for increasing breath oral area seal is additionally provided with the housing, 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 keep base 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 base plate to hand over
Accommodating chamber is extruded and closed at boundary, and 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 is moved inward and extrudes chassis portion and deformed laterally, breath oral area is the bottom of with
The outside side shifting of pan portion is opened, and connects and make movable contact to pass through between accommodating chamber and the first cavity volume, and movable contact front end compresses
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 from socket, shift knob is not subject to external force, makees in the chassis portion elastic recoil of silica gel leather cup
With under, press splenium resilience and pull the outside side shifting in quarrel portion, quarrel portion drives movable contact to be together displaced outwardly, movable contact
With the first contact portion from;And cease oral area to be recovered to original position by outside, when oral area is ceased in sleeve due to being pressed pressure
Portion pulls, and the closed power for ceasing the extruding closing of oral area is bigger, and breath oral area is extruded and closed between accommodating chamber and the first cavity volume
Passage, switch is off.
Safety switch assembly presses the position of splenium and can be arranged on the bottom or side of live wire sleeve, as long as can realize inserting
Seat insertion can be compressed presses the function that the i.e. achievable present invention of splenium is mentioned;
Preferably, it is additionally provided with the housing for the guiding conical plate of chassis portion movement and deformation laterally, the guide cone
Plate is tapered, and guiding conical plate is located between the first cavity volume and the second cavity volume, and guiding conical plate middle part is provided with what is passed through for movable contact
Through hole, the through hole connects the first cavity volume and the second cavity volume.
Preferably, the angle of the cone angle of the guiding conical plate is 130 ° -160 °.
Preferably, the chassis portion is provided with the fold that more large deformation amount occurs for chassis portion with the junction of inner walls
Ring, the fold ring in a ring wavy, the fold ring is integrally formed setting with chassis portion.
Preferably, the movable contact includes the contact bar portion of contact end and conduction, offers in the rubber cup
Bar portion lock chamber and end lock chamber, the end lock chamber is located at the silica gel leather cup side for pressing splenium place, and contact bar portion is consolidated
Intracavity is fixed due to bar portion, contact end is fixed on end fixes intracavity.
Preferably, the first contact site of first binding post adopts memory alloy material, the first contact site to include end
Portion, the arc contact portion and heating that contact for same movable contact make arc contact portion kink detached with movable contact;The end
Portion is located at the two ends of the first contact site and fixes with enclosure interior, and the bending part is between arc contact portion and end.
Preferably, the sleeve and the perpendicular setting of holding base plate;The perpendicular setting in chassis portion and quarrel portion.
Preferably, the zero line sleeve is provided with and live wire sleeve identical safety switch assembly, zero line fishplate bar and zero line groove
Separately positioned between set to leave gap, the safety switch assembly for control connection zero line fishplate bar and zero line groove set is arranged at gap
Place, first binding post and the second binding post of safety switch assembly are connected respectively with zero line groove set and zero line fishplate bar.
Preferably, 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 above-mentioned technical proposal is employed, with following beneficial effect
Really:
First, using the built-in auxiliary bullet formula safety socket of the present invention, when not promoting safety switch assembly, the live wire groove set of socket
Inside it is not powered on, even if now user direct hand in maintaining socket touches live wire sleeve, also will not be got an electric shock by high-tension electricity, pacifies
Full property 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 to be inserted into, typically press splenium incomplete
Pressure is pressed, socket is not powered on, be prevented effectively from user contact, it is to avoid get an electric shock.
3rd, because movable contact is fixed on inside silica gel leather cup, movable contact occurs unavoidably in use slight crack,
Steam is possible to the gap of the inwall with movable contact Yu quarrel portion and enters receiving intracavity, now ceases oral area in silica gel leather cup resilience
When, from chassis portion to quarrel portion moving process in, by movable contact be located accommodating chamber completely close, accommodating chamber is connect with first
The first cavity volume that contact portion is located completely cuts off completely, even if steam also can be stopped into accommodating chamber by breath oral area so that whole safety open
Close state of the component in disconnecting;Even if having liquid enter do not result in socket yet Live line Zero line connection, it is to avoid short circuit and
Burn.Only external force is promoted and presses splenium, is made movable contact move forward and is contacted the first contact site so that the internal circuit of switch connects
Logical, whole switch is just powered.
4th, the cooperation of set and elastic component is wherein kept, during resilience, elastic component produces elasticity and pulls power to silica gel leather cup, makes
Breath oral area by keep base plate into can produce during sleeve 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 higher.
Description of the drawings
Fig. 1 is the sectional view (do not stress state) of safety switch assembly in the present embodiment 1;
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 is the structural representation for keeping covering in the present embodiment 1;
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 present invention.
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, base 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, fire
Wire casing set;50th, zero line fishplate bar;51st, gap;52nd, zero line groove set.
Specific embodiment
The present invention is described further below in conjunction with the accompanying drawings.
Embodiment 1:
Built-in auxiliary bullet formula safety socket as shown in Fig. 1 to 10 and Figure 13, including conductive sleeve, the conductive sleeve includes
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
With zero line groove set 52, live wire fishplate bar 40 and live wire groove set 42 between it is separately positioned leave gap 41, be provided with use at the gap 41
In control connection live wire fishplate bar 40 and the safety switch assembly 1 of 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, can be prevented effectively from user contact, 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 housing, silica gel leather cup 30 is located at and presses the relative end of splenium 33 with movable contact 32.
Press splenium 33 and press button using plastics, middle part is provided with the elastic component 34 for pressing the reset of splenium 33, by pushing pressure is pressed
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
The Rapid reset of rubber cup 30, the elastic component 34 in the present embodiment is allowed to adopt column spring.
The surface of housing is provided with spacing barrel 13, press splenium 33 include press gland wall 330, by spacing barrel 13 with press 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.
The first binding post 10 and the second binding post 11 for being parallelly mounted to housing side is provided with housing, housing includes
First cavity volume and the second cavity volume, the end of the first binding post 10 is 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.Keep set 2 to be fixed on enclosure interior, keep set 2 to be annular sleeve
Part, keeps 2 longitudinal sections of set L-shaped, keeps set 2 to include sleeve 21 and keeps base plate 20, quarrel portion 30b to be sheathed on sleeve 21
It is interior, cease the inwall radius of the thickness more than sleeve 21 of oral area 300;When shift knob is not restored to the original state by external force, oral area 300 is ceased
Accommodating chamber 302 is extruded and closes in sleeve 21 and the holding intersection of base plate 20.Increase breath oral area 300 when silica gel leather cup 30 recovers
Sealing to accommodating chamber 302.
As shown in figure 3, silica gel leather cup 30 includes chassis portion 30a and quarrel portion 30b, 30a is disc-shaped in chassis portion, 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 base plate 20 it
Between.
The periphery of chassis portion 30a 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 is integrally formed setting, fold ring with chassis portion 30a
301 can to a greater extent be compressed and be stretched, it is ensured that chassis portion 30a can occur to deform to a greater extent.
30b middle parts in quarrel portion are provided with the accommodating chamber 302 for accommodating movable contact 32, the connection of chassis portion 30a and quarrel portion 30b
Place is provided with breath oral area 300, ceases the wall thickness of the wall thickness more than quarrel portion 30b of oral area 300.
Guiding conical plate 12 can be guided to the moving direction of chassis portion 30a, 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 the inserted sheet of plug inserts live wire sleeve 42 and promotes when pressing splenium 33 of safety switch assembly 1,
Inserted sheet is pushed to the left by right side and presses splenium 33, and spring is compressed, and is pressed splenium 33 and is driven quarrel portion 30b to move to case inside, bucket
Oral area 30b extruding breath oral areas 300 enter guiding conical plate 12 and keep between base plate 20, peripheries of the chassis portion 30a to the second cavity volume
Side shifting, 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 open, 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 is in connected state, fire
It is powered in line sleeve 42, and the inserted sheet for plug applies electric current.
As shown in figure 1, when plug in socket by extracting, pressing the no longer stress of splenium 33, answering in spring restoring force
Under the effect of position, will press splenium 33 to hull outside and eject, quarrel portion 30b will pull to the right reset, and chassis portion 30a is by the second cavity volume
Two ends to middle part is replied, and movable contact 32 follows quarrel portion 30b from enclosure interior to outside movement, and breath oral area 300 also has outside
Into in 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, oral area 300 is ceased in spring
Pull and mutually extruded in the junction of sleeve 21 and holding base plate 20 in the presence of power, accommodating chamber 302 is closed, disconnect accommodating chamber
302 and first cavity volume connection, keep covering 2 sealings that increased 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
Chamber 310 is determined in accommodating chamber 302, the extruding sealing process due to ceasing oral area 300 is intercepted to steam, makes the first cavity volume
In air-tight state.
Splenium 33 is pressed using the plastic material of hard as pressing button, and is coordinated spacing barrel 13 and is pressed 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, also will not cause to press pressure
Portion 33 cannot stretch.
Movable contact 32 be in T-shape, including contact end 321 and conduction contact bar portion 320, open up in 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 for pressing the place of 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 fixation of the movable contact 32 in silica gel leather cup 30, prevent
Skew and dislocation abjection phenomenon that only it is produced in the deformation of rubber cup 30 and moving process.
First contact site 100 of the first binding post 10 adopts memory alloy material, the first contact site 100 to include end
1000th, the arc contact portion 1001 and heating for contacting for same movable contact makes arc contact portion 1001 detached with movable contact 32 curved
Folding part 1002;End 1000 is located at the two ends of the first contact site 100 and fixes with enclosure interior, and kink 1002 is touched positioned at arc
Between portion 1001 and end 1000.
The memory alloy material adopted 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 for the fixation at 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 transships, the electricity passed through in the first contact site 100
Stream is larger, and the heat of generation becomes many, and the bulk temperature of the first contact site 100 rises, because the two ends of end 1000 are fixed, therefore
Kink 1002 shrinks and close to two ends, and arc contact portion 1001 is overall to left side skew, and spacing is produced simultaneously with movable contact 32
Disconnect with movable contact 32, now switch is off, it is to avoid electrical appliance transships, it is ensured that safety.
Embodiment 2:
As is illustrated by figs. 11 and 12, the present embodiment is with respect to the difference of embodiment 1: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 control 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 the safety switch assembly 1 on zero line sleeve is same with the function phase of safety switch assembly 1 on live wire sleeve.Cause
For in daily life, may there is a misconnection, i.e. zero line and live wire and connect in the live wire and zero line of socket during connecing
Instead.
Insert row on market, it has plug, and plug mostly is three prongs of plug, and reason is that three prongs of plug can ensure that slotting
Zero line live wire is corresponding in row, because the direction of insertion of three prongs of plug is fixed-direction, double inserting then can exchange mutually.
But part manufacturer can according to the actual requirements produce double slotting plugs, if the present invention is applied to the instruments such as insert row,
When the plug of insert row is double inserting, double plugs are not easy to distinguish zero line and live wire when in use, if the insertion side of double plugs
To reverse, then high-tension electricity is connected with zero line sleeve, and live wire sleeve then no power, exchange equivalent to zero line live wire.
Therefore the present embodiment is advantageous in that, after zero line live wire is exchanged, can still give play to what is mentioned in embodiment 1
Function, safety is higher.
The above makes the preferred embodiment of the present invention, for the person of ordinary skill of the art without departing from this
On the premise of bright principle, some modifications and improvement can also be made, these also should be regarded as protection scope of the present invention.