Built-in eject safety socket
Technical field
The present invention relates to circuit controllers, and in particular to built-in eject 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 firewire), therefore work as socket when not used, still there are electricity for the circuit in socket, when liquid enters socket
When, due to still maintaining voltage on firewire, 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 firewire, when the finger grip of user is in plug
On, it is easy to allow user to get an electric shock;Or plug be inserted into it is incomplete when, exposed metal conduction portions, with high pressure
Electricity is dangerous higher.
Invention content
The purpose of the present invention is to provide built-in eject safety socket, only when socket is fully inserted into bottom, socket just leads to
Electricity effectively avoids user from getting an electric shock, safe;Secondly, socket is waterproof, socket will not be caused short-circuit water inlet.
In order to achieve the above-mentioned object of the invention, present invention employs following technical schemes:Built-in eject safety socket, including
Conductive sleeve, the conduction sleeve includes firewire sleeve and zero curve sleeve, and firewire sleeve includes firewire fishplate bar and firewire slot set, and zero
Line sleeve includes zero curve fishplate bar and zero curve slot set, and separately positioned between the firewire fishplate bar and firewire slot set there are gaps, described
Gap location is equipped with the safety switch assembly for controlling connection firewire fishplate bar and firewire slot set;Safety switch assembly connects positioned at firewire
The bottom surface of plate;
The safety switch assembly, including shell and switch button;
The switch button includes the silica gel leather cup that movable contact, pressing section and movable telescopic reset, and pressing section is located at
Outside shell, the silica gel leather cup is located at the movable contact end opposite with pressing section;
The shell is equipped with the first vessel and the second vessel, and the first wiring for being parallelly mounted to shell side is equipped in shell
Terminal and the second connecting terminal, the first connecting terminal end are equipped with the first contact site, and the first contact site is in the first vessel;The
Two connecting terminal ends are equipped with and are electrically connected second connecting portion with movable contact, and second connecting portion is located in the second vessel, and activity is touched
Head and silica gel leather cup are respectively positioned in the second vessel;
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
Determine, the accommodating chamber equipped with receiving movable contact in the middle part of the quarrel portion, the junction in the chassis portion and quarrel portion is equipped with silicon
Rubber bowl activity opens and closes the breath oral area of accommodating chamber;
When the inserted sheet of plug, which is inserted into firewire sleeve, to be made, inserted sheet push switch button makes movable contact inwardly move, pressing section
Silica gel leather cup is inwardly squeezed, quarrel portion moves inward and squeezes chassis portion and deforms outward, and breath oral area is with the outside sidesway in chassis portion
It is dynamic, it is connected between accommodating chamber and the first vessel and movable contact is made to pass through, movable contact front end is pressed on the first contact site, and second
Interconnecting piece, movable contact and the first contact site are electrically connected successively, and switch is in connected state;
When plug is extracted out of socket, switch button by external force, is not made in the chassis portion elastic recoil of silica gel leather cup
Under, quarrel portion drives movable contact to be displaced outwardly together, movable contact and the first contact portion from;And oral area is ceased by outside
Restore to original position, breath oral area squeezes and close the channel between accommodating chamber and the first vessel, and switch is off.
The bottom or side in firewire sleeve can be arranged in the position of safety switch assembly pressing section, as long as can realize slotting
Seat insertion can compress pressing section and the function that the present invention mentions can be realized;
Preferably, the one end in quarrel portion towards the outside is additionally provided with hard set portion, the sidewall surfaces in hard set portion
Equipped with rigid outer layer, hard set portion is connect with quarrel portion and synchronizing moving, and the movable contact is fixed on the middle part in hard set portion.
Preferably, the pressing section is located in hard set portion, and hard set portion can when being equipped with pressing section by radial load
The inclined-plane of axial movement is brought it about, the inclined-plane is again provided with rigid outer layer, and the pressing section is located at the side wall of firewire sleeve
Surface.
Preferably, the movable contact includes contact end and conductive contact bar portion, and the hard set offers in portion
Bar portion lock chamber and end lock chamber, the end lock chamber are located at hard set portion backwards to the side of silica gel leather cup, contact bar portion
It is fixed in bar portion lock chamber, contact end is fixed in the lock chamber of end.
Preferably, the guiding conical plate for chassis portion movement and deformation outward, the guide cone are additionally provided in the shell
Plate is tapered, guiding conical plate be equipped between the first vessel and the second vessel, in the middle part of guiding conical plate for movable contact by
Through-hole, the through-hole are connected to the first vessel and the second vessel.
Preferably, the holding set for increasing breath oral area seal is additionally provided in the shell, the holding set is fixed on
Enclosure interior, the holding set are annular external member, and holding set longitudinal section is L-shaped, and it includes sleeve and holding bottom plate, institute to keep set
Quarrel portion is stated to be sheathed in sleeve;When switch button is not restored to the original state by external force, the breath oral area is in sleeve and keeps bottom plate
Intersection squeezes and closes accommodating chamber.
Preferably, the chassis portion and the junction of inner walls are equipped with the fold that bigger deformation quantity occurs for chassis portion
Ring, wavy, the fold ring and the integrated molding setting of chassis portion of the fold ring in a ring.
Preferably, it includes end that the first contact site of first connecting terminal, which uses memory alloy material, the first contact site,
The bending part that portion, the arc contact portion contacted for same movable contact and heating make arc contact portion be detached with movable contact;The end
Portion is located at the both ends of the first contact site and is fixed with enclosure interior, and the bending part is between arc contact portion and end.
Preferably, the zero curve sleeve is equipped with safety switch assembly identical with firewire sleeve, zero curve fishplate bar and zero curve slot
Separately positioned between set there are gaps, and the safety switch assembly for controlling connection zero curve fishplate bar and zero curve slot set is set to gap
Place, the first connecting terminal and the second connecting terminal of safety switch assembly are connect with zero curve slot set and zero curve fishplate bar respectively.
Preferably, the safety switch assembly is located at the bottom surface of zero curve fishplate bar.
Compared with prior art, the built-in eject safety socket of above-mentioned technical proposal is used, is had following beneficial to effect
Fruit:
One, built-in eject safety socket using the present invention, when not pushing safety switch assembly, the firewire slot set of socket
It is inside not powered on, even if user's direct hand in maintaining socket touches firewire sleeve at this time, will not be got an electric shock, pacify by high-voltage electricity
Full property is higher.
Two, safety switch assembly is located at the bottom surface of firewire fishplate bar, has and only has when plug is fully inserted on earth, entire to insert
Seat could be powered, and the conductive metallic portion of plug will not be exposed outside socket at this time, when to be inserted into general pressing section incomplete for inserted sheet
It is pressed, socket is not powered on, and effectively user is avoided to contact, and avoids getting an electric shock.
Three, since movable contact is fixed on inside silica gel leather cup, movable contact inevitably will appear slight crack in use,
The gap that steam is possible to the inner wall with movable contact Yu quarrel portion enters in accommodating chamber, ceases oral area at this time and is sprung back in silica gel leather cup
When, from chassis portion into quarrel portion moving process, the accommodating chamber where movable contact is completely closed, accommodating chamber is made to be connect with first
The first vessel where contact portion completely cuts off completely, can be stopped by breath oral area steam enters accommodating chamber so that entire safety open
It closes component and is in the state disconnected;Even if having liquid enter the Live line Zero line in socket will not be caused be connected to, avoid short circuit with
It burns.Only external force pushes pressing section, so that movable contact is moved forward and contacts the first contact site so that the internal circuit of switch connects
Logical, entire switch is just powered.
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 section stress) of safety switch assembly in the present embodiment 1;
Fig. 3 is the sectional view of silica gel leather cup and hard set portion in the present embodiment 1;
Fig. 4 is the sectional view of movable contact in the present embodiment 1;
Fig. 5 is the half section structure diagram of silica gel leather cup in the present embodiment 1;
Fig. 6 is the structural schematic diagram that set is kept 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 schematic diagram 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 schematic diagram 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 schematic diagram of built-in eject safety socket in the present invention.
Reference numeral:1, safety switch assembly;10, the first connecting terminal;100, the first contact site;1000, end;
1001, arc contact portion;1002, bending part;11, the second connecting terminal;110, second connecting portion;12, guiding conical plate;2, it keeps
Set;20, bottom plate is kept;21, sleeve;30, silica gel leather cup;30a, chassis portion;30b, quarrel portion;300, oral area is ceased;301, fold
Ring;302, accommodating chamber;31, hard set portion;310, bar portion lock chamber;311, end lock chamber;312, it is oriented to caulking groove;313, rigidity
Outer layer;32, movable contact;320, contact bar portion;321, contact end;322, guide ring;33, pressing section;40, firewire fishplate bar;
41, gap;42, firewire slot set;50, zero curve fishplate bar;51, gap;52, zero curve slot set.
Specific implementation mode
The present invention is described further below in conjunction with the accompanying drawings.
Embodiment 1:
The built-in eject safety socket as shown in Fig. 1 to 10 and Figure 13, including conductive sleeve, the conduction sleeve include
Firewire sleeve and zero curve sleeve, firewire sleeve include firewire fishplate bar 40 and firewire slot set 42, and zero curve sleeve includes zero curve fishplate bar 50
It is separately positioned there are gap 41 between firewire fishplate bar 40 and firewire slot set 42 with zero curve slot set 52, it is equipped with and uses at the gap 41
In the safety switch assembly 1 of control connection firewire fishplate bar 40 and firewire slot set 42;Safety switch assembly 1 is located at firewire fishplate bar 40
Bottom surface.
Safety switch assembly 1 is mainly used for controlling the connection of firewire slot set 42 and firewire fishplate bar 40, when safety switch assembly 1
The first, second connecting terminal by firewire slot set 42 connect with firewire fishplate bar 40 when, socket can be made to be powered.
Safety switch assembly 1 is located at the bottom of firewire 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 will not be exposed outside socket, it is possible to prevente effectively from user contacts, keep away
Exempt to get an electric shock, just be powered when being only inserted into complete, protects user, it is safe.
As shown in Figures 1 to 8, the safety switch assembly 1 in the present embodiment, including shell and switch button.
As shown in Figure 1, switch button includes the silica gel leather cup that movable contact 32, pressing section 33 and movable telescopic reset
30, pressing section 33 is located at outside shell, and silica gel leather cup 30 is located at movable contact 32 end opposite with pressing section 33.
It is equipped with the first connecting terminal 10 for being parallelly mounted to shell side in shell and the second connecting terminal 11, shell include
First vessel and the second vessel, 10 end of the first connecting terminal are equipped with the first contact site 100, and the first contact site 100 is located at first
In vessel;Second connecting terminal, 11 end is equipped with second connecting portion 110, and second connecting portion 110 is electrically connected with movable contact 32, the
Two interconnecting pieces 110, movable contact 32 and silica gel leather cup 30 are respectively positioned in the second vessel.
Since firewire is connect with firewire fishplate bar 40 first, firewire fishplate bar 40 is live end, therefore the first connecting terminal 10 and fire
Line fishplate bar 40 connects, and the second connecting terminal 11 is connect with firewire slot set 42.
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.
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, wavy, the fold ring 301 and chassis portion 30a integrated molding settings of fold ring 301 in a ring, fold ring
301 can be compressed and be stretched to a greater extent, ensure that chassis portion 30a can occur to deform to a greater extent.
The accommodating chamber 302 for accommodating movable contact 32, the connection of chassis portion 30a and quarrel portion 30b are equipped in the middle part of quarrel portion 30b
Place is equipped with breath oral area 300, and the wall thickness of breath oral area 300 is more than the wall thickness of quarrel portion 30b.
Holding set 2 and guiding conical plate 12 are additionally provided in shell.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, and set 2 is kept to include sleeve 21 and bottom plate 20, quarrel portion 30b is kept to be sheathed on sleeve 21
Interior, the thickness of breath oral area 300 is more than the inner wall radius of sleeve 21;When switch button is not restored to the original state by external force, oral area 300 is ceased
In sleeve 21 and keeps 20 intersection of bottom plate to squeeze and close accommodating chamber 302.Increase breath oral area 300 when silica gel leather cup 30 restores
To the leakproofness of accommodating chamber 302.
Guiding conical plate 12 can guide the moving direction of chassis portion 30a, and guiding conical plate 12 is tapered, guiding conical plate
12 between the first vessel and the second vessel, the middle part of guiding conical plate 12 be equipped with for movable contact 32 by through-hole, through-hole connects
Logical first vessel and the second vessel.
As shown in Fig. 2, when the inserted sheet of plug is inserted into firewire sleeve 42 and pushes the pressing section 33 of safety switch assembly 1,
Inserted sheet is pushed pressing section 33 by right side to the left, and pressing section 33 drives quarrel portion 30b to be moved to case inside, and quarrel portion 30b is squeezed
Breath oral area 300 is moved along guiding conical plate 12 to the both sides up and down of the second vessel, and chassis portion 30a is extruded and drives fold ring 301
Deformation, breath oral area 300 are also moved to periphery, and the accommodating chamber 302 at middle part is opened, and the contact bar portion 320 of movable contact 32 is logical
The through-hole for crossing guiding conical plate 12 is contacted with the first contact site 100, realizes that second connecting portion 110, movable contact 32 and first contact
The electric connection in portion 100, safety switch assembly are in connected state, are powered in firewire sleeve 42, and apply electricity for the inserted sheet of plug
Stream.
As shown in Figure 1, when plug in socket by extracting, silica gel leather cup 30 does not stress, in the Elastic stress of silica gel
Under reset response, chassis portion 30a is replied from the both ends of the second vessel to middle part, and movable contact 32 follows quarrel portion 30b by shell
Interior moves, and breath oral area 300 also has outside to enter in the sleeve 21 for keeping set 2, since the barrel internal diameter of sleeve 21 is small
In the thickness of breath oral area 300, breath oral area 300 is in sleeve 21 and the junction of bottom plate 20 is kept mutually to squeeze, by 302 envelope of accommodating chamber
It closes, disconnects the connection of accommodating chamber 302 and the first vessel, the leakproofness of breath oral area 300 is increased by the holding set 2 of rigidity, together
When safety switch assembly home loop become opening a way, the connection of the first connecting terminal and the second connecting terminal disconnects, even if at this time
There is steam to enter in accommodating chamber 302 from bar portion lock chamber 310, due to ceasing the extruding sealing process of oral area 300, steam is hindered
Every making the first vessel be in air-tight state.
The one end in quarrel portion 30b towards outside is additionally provided with hard set portion 31, and the sidewall surfaces in hard set portion 31 are equipped with rigidity
Outer layer 313,31 inside of hard set portion is the silica gel with 30 material identical of silica gel leather cup, and hard set portion 31 is connect with quarrel portion 30b
And synchronizing moving, movable contact 32 are fixed on the middle part in hard set portion 31.Pressing section 33 is increased by increasing rigid outer layer 313
Anti-bending strength, even if during pressing Impact direction generate it is crooked, hard set portion 31 will not will not be bent so that firmly
Matter set portion 31 can not stretch.
Movable contact 32 is in T-shape, including contact end 321 and conductive contact bar portion 320, is opened up in hard set portion 31
There are bar portion lock chamber 310 and end lock chamber 311, end lock chamber 311 to be located at hard set portion 31 backwards to the one of silica gel leather cup 30
Side, contact bar portion 320 are 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 hard set portion 31, prevent
Only its offset generated in the deformation of rubber cup 30 and moving process and dislocation abjection phenomenon.
Contact end 321 is equipped with backwards to a side surface of contact bar portion 320 and passes through bar portion lock chamber convenient for contact end 321
310 arrival end lock chambers 311 and the guide ring 322 for preventing contact end 321 from shifting, the thickness of guide ring 322 is by contact
321 edge of end is incremented by successively to inside, is equipped in end lock chamber 311 and is adapted guiding caulking groove 312 with guide ring 322.It leads
Effect to ring 322 is effectively improve the installation of movable contact 32, and increases its fixed effect.
Pressing section 33 is located in hard set portion 31, and hard set portion 31 is equipped with pressing section by can bring it about axis when radial load
To mobile inclined-plane, inclined-plane is again provided with rigid outer layer 313, by adding inclined-plane, the force that control safety switch assembly opens and closes
Direction is not limited to be parallel to the telescopic direction of pressing section 33, and force direction can exert a force perpendicular to the moving direction of pressing section 33
(can be that horizontal direction exerts a force in Fig. 1, the force on vertical direction can also be realized by inclined-plane).
It includes end that first contact site 100 of the first connecting terminal 10, which uses memory alloy material, the first contact site 100,
1000, it is curved that the arc contact portion 1001 and heating contacted for same movable contact makes arc contact portion 1001 be detached with movable contact 32
Folding part 1002;End 1000 is located at the both ends of the first contact site 100 and is fixed with enclosure interior, and bending part 1002 is touched positioned at arc
Between portion 1001 and end 1000.
There are one features for the memory alloy material used in the present embodiment, i.e., curved in the first 100 temperature rise of contact site
The bending angle of folding part 1002 can become larger, and end 1000 is the fixation for 100 both ends of the first contact site.
As shown in Figure 7 and Figure 8, when the power for switching vigour part is excessive or overload, in the first contact site 100 by electricity
Flow larger, the heat of generation becomes more, the rising of 100 bulk temperature of the first contact site, due to 1000 both ends of end be it is fixed,
The contraction of bending part 1002 is simultaneously close to both ends, and arc contact portion 1001 is whole to be deviated to the left side, and spacing is generated simultaneously with movable contact 32
It is disconnected with movable contact 32, switch is off at this time, and electrical appliance is avoided to overload, and ensures safety.
Embodiment 2:
As is illustrated by figs. 11 and 12, the present embodiment with respect to embodiment 1 difference lies in:Zero curve sleeve is equipped with and firewire sleeve
Identical safety switch assembly 1, separately positioned between zero curve fishplate bar 50 and zero curve slot set 52 there are gaps, for controlling connection zero
The safety switch assembly 1 of line fishplate bar 50 and zero curve slot set 52 is set at gap 51, the first connecting terminal of safety switch assembly 1
10 and second connecting terminal 11 respectively with zero curve slot set 52 and zero curve fishplate bar 50 connect.
The function of safety switch assembly 1 on zero curve sleeve is identical as 1 function of safety switch assembly on firewire sleeve.Cause
For in daily life, the firewire and zero curve of socket may have a misconnection during connecing, i.e. zero curve and firewire connects
Instead.
Insert row in the market, with plug, and plug is mostly three prongs of plug, and reason is that three prongs of plug can ensure to insert
Zero curve firewire is corresponding in row, because the direction of insertion of three prongs of plug is fixed-direction, double insert can then exchange mutually.
But part manufacturer can produce double slotting plugs according to actual demand, if the present invention is applied to the tools such as insert row,
When the plug of insert row is double inserts, double plugs are not easy to distinguish zero curve and firewire when in use, if the insertion side of double plugs
To reversed, then high-voltage electricity is connected in zero curve sleeve, and firewire sleeve then no power, it is equivalent to zero curve firewire and exchanges.
Therefore the advantage of this embodiment is that, after zero curve firewire is exchanged, it can still play and to be mentioned in embodiment 1
Function, safety higher.
The above is the preferred embodiment of the present invention, does not depart from this hair for those of ordinary skill in the art
Under the premise of bright principle, several variations and modifications can also be made, these also should be regarded as protection scope of the present invention.