CN105337115A - Safety socket - Google Patents
Safety socket Download PDFInfo
- Publication number
- CN105337115A CN105337115A CN201410230867.6A CN201410230867A CN105337115A CN 105337115 A CN105337115 A CN 105337115A CN 201410230867 A CN201410230867 A CN 201410230867A CN 105337115 A CN105337115 A CN 105337115A
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- CN
- China
- Prior art keywords
- alignment pin
- inner housing
- sliding block
- location hole
- safety socket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Connector Housings Or Holding Contact Members (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
Disclosed is a safety socket. The safety socket comprises two power contacts, two conduction assemblies, an outer casing, two positioning assemblies, an inner casing and a reset spring. Each positioning assembly comprises a first slide module, a second slide module and a connection poking rod, wherein the two ends of the connection poking rod are respectively connected with the first slide module and the second slide module to enable the first slide module and the second slide module to side reversely. When the first slide modules are positioned in first positioning holes, the two conduction assemblies are separate from the two power contacts so as to form an electrical open circuit, when the second side modules are positioned in second positioning holes, the conduction assemblies are in contact with the two power contacts so as to form electrical conduction, and when pulling forces are applied to the conduction assemblies, the positioning assemblies and the reset spring enable the inner casing to be reset. Therefore, when a conductive object is inserted into one jack of the safety socket, electric shock is not caused, and a safety protection effect is realized.
Description
Technical field
The present invention relates to a kind of safety socket, especially power contact do not expose, also can not turn-on power when the single insertion of foreign object, and effectively prevent from getting an electric shock, reach security protection.
Background technology
Mains switch common at present, the conductive contact of socket inside exposes, thus for intentional or involuntary by conductive articles socket aperture, easily there is the phenomenon of getting an electric shock.Such product has the doubt in safety, and to this, existing many products and previous technology improve for this.
Such as, Chinese Patent Application No. CN200920094659.2 proposes a kind of structure be separated with contact point by the conductive contact film clamping plug.It produces power-off when utilizing it to be separated automatically, and comprises the mechanism automatically locked and stop, prevents the problem of getting an electric shock.But plug inserts and when pulling out, needs the action of pressing by this structure, not identical with the use habit of common people.When not according to standard mode operation, the mechanism automatically locked may be made not reply, and now contact is still connected with contact chip, and is as good as with general socket, still has the possibility of electric shock.
Chinese Patent Application No. CN20100580882.5 provides another kind of supply socket.It utilizes sliding block to carry out shielded jack, and only its contact and contact chip are still and connect and the state of conduction, if the conductive materials of sheet stretches in jack, still may cause getting an electric shock.
Chinese Patent Application No. CN201020256562.X, provides a kind of safety socket comprising touch switch.It utilizes touch switch to switch on power, but when plug does not insert, touch switch still can be pressed, and still has the possibility of electric shock when pressing.
The main object of safety socket prevents the various intentional or involuntary phenomenon being caused electric shock time in conductive articles socket aperture, especially for the family comprising children in family.Therefore, need a kind ofly really to reach power supply disconnecting when non-usage and meet the socket of general use habit.
Summary of the invention
Main purpose of the present invention is to provide a kind of safety socket, is electrically connected for plug.Safety socket comprises two power contacts, two feed-through assemblies, a shell body, two positioning components, an inner housing and a back-moving spring.For ease of illustrating, below each main element is described respectively.
Each feed-through assembly comprises an interconnective holding shrapnel and a contact site.Shell body comprises two group of first relative location hole and the second location hole, and the first location hole is positioned at the top of the second location hole.The base of shell body comprises two fixing holes, power contact is fixed on fixing hole, and corresponds to contact site.
Inner housing comprises two jacks and two vias, and via is communicated with jack, the accommodating holding shrapnel of jack, and the accommodating contact site of via.When inner housing is under pressure, first drives the first sliding block to move, and make the first alignment pin depart from the first location hole.When continuing to move down, contact site is stressed and protrudes from jack, and contact site is contacted and electrically conducting with power supply contact.
Each positioning component comprises one first sliding block, one second sliding block and connects driving lever.First sliding block comprises one first steady pin, and when the non-pressurized of this inner housing moves down, this first alignment pin is movably located on this first location hole.Second sliding block comprises one second alignment pin, and this second alignment pin is movably located on this second location hole.When this first alignment pin is positioned at this first location hole, this second alignment pin departs from this second location hole.When this inner housing pressurized moves down, this first alignment pin departs from this first location hole, and when this second alignment pin is positioned at this second location hole, this first alignment pin departs from this first location hole.The two ends connecting driving lever connect this first sliding block and this second sliding block, this first sliding block of interlock and this second sliding block respectively, when this inner housing is moved up and down, and this first sliding block and this second sliding block reverse slide.
Connect between the bottom that back-moving spring is located at inner housing and shell body.When holding shrapnel moves up by pulling force, and after the second alignment pin departs from the second location hole, back-moving spring provides elastic force that inner housing is moved up, and state when involution is not inserted.
In actual example, when plug does not insert, the first alignment pin is positioned the first location hole, and inner housing is positioned at primary importance, and now two contact sites do not contact with two power contacts, thus in electrical open.After plug inserts, the joint of plug promotes the first sliding block and moves, and the first alignment pin is left in the first location hole, and presses down inner housing and move down.After plug inserts feed-through assembly completely, contact site protrudes from via by downward pressure, and power contact contacts with contact site and is electrically conducting.Meanwhile, connect driving lever interlock second sliding block and make the second alignment pin be positioned the second location hole, inner housing is positioned the second place.
When plug is extracted, pulling force can make contact site be separated with power supply contact, and in open circuit.Thus, even if the state of not extracting completely at plug, the danger of electric shock is not had yet.Then, the first sliding block moves, and connects driving lever and oppositely drives the second sliding block, make the second alignment pin depart from the second location hole.And then back-moving spring drives inner housing upwards.After the first alignment pin is positioned the first location hole, complete reset.
By safety socket of the present invention, when plug does not insert, power contact and contact portion from and not charged, even if deliberately/an involuntary hole of conductive articles being inserted in safety socket time, be also unlikely to produce the problem of getting an electric shock, in addition, when pulling the plug out of the socket, owing to there being the involution in design mechanism of the present invention, specific mode is not needed to plug, can make power contact and contact portion from and power-off, and reach the effect of security protection.
Accompanying drawing explanation
Fig. 1 is the cutaway view of safety socket of the present invention.
Fig. 2 is the three-dimensional sectional view of the present invention first sliding block.
Fig. 3 to Fig. 8 is the operation chart of safety socket of the present invention.
Symbol description
1 safety socket 610 slope block
10 shell body 62 first connectors
11 base 63 first alignment pins
20 inner housing 64 dividing plates
21 jack 65 first springs
23 via 66 second springs
25 containing hole 67 first Connection Blocks
27 pivot joint block 70 second sliding blocks
110 fixing hole 71 second connectors
13 sidewall 73 second alignment pins
131 first location hole 75 springs
133 second location hole 77 second Connection Blocks
30 power contacts 80 connect driving lever
40 feed-through assembly 90 positioning components
41 holding shrapnel 95 cover plates
43 contact site 951 Access Divisions
45 elastic parts 953 sockets
50 back-moving spring 500 plugs
60 first sliding block 510 joints
61 cover plates
Embodiment
Consult Fig. 1, the cutaway view of safety socket of the present invention.As shown in Figure 1, safety socket 1 of the present invention comprises shell body 10, inner housing 20, two power contact 30, two feed-through assembly 40, back-moving spring 50 and two positioning components 90.Safety socket 1 of the present invention is mainly electrically connected for plug 500.The base 11 of shell body 10 comprises two fixing holes 110.Two power contacts 30 are fixed on fixing hole 110.Shell body 10 sidewall 13 comprises the top that relative two group of first location hole 131 and the second location hole 133, first location hole 131 are positioned at the second location hole 133.In this manual, the direction such as upper and lower definition according to graphic relativeness, and is not used to limit, as put upside down, mirror, rotation and relevant to relation person equal to the embodiment of the present invention, can realize according to the present invention equably.
Inner housing 20 comprises two jack 21, two via 23 and containing holes 25.Via 23 corresponds to fixing hole 11, and via 23 is communicated with jack 21, and the area of via 23 is less than jack 21.The accommodating back-moving spring 50 of containing hole 25, the bottom of back-moving spring 50 connected with outer casing body 10 and inner housing 20, shell body 10 and inner housing 20 are insulating material.
One end of power contact 30 protrudes from fixing hole 11, and the other end can be connected (not shown) with external power source.Each feed-through assembly 40 comprises interconnective holding shrapnel 41 and a contact site 43.Holding shrapnel 41 is arranged in jack 21, and contact site 43 is arranged in via 23.Further, each feed-through assembly 40 also comprises elastic parts 45, such as a spring.Elastic parts 45 is socketed on contact site 43, and the contact site 43 of socket elastic parts 45 is arranged in via 23.
Each positioning component 90 comprises one first sliding block 60,1 second sliding block 70 and respectively and connects driving lever 80.Simultaneously with reference to the three-dimensional sectional view of first sliding block 60 of figure 2.As shown in Figure 1 and Figure 2, each first sliding block 60 is slidably near in the some of inner housing, and the first sliding block 60 at least comprises cover plate 61,1 first connector 62 and one first alignment pin 63.Cover plate 61 is positioned at one end of the first connector 62, and the first alignment pin 63 is positioned at the other end of this first connector 62, and the first alignment pin 63 is movably located in the first location hole 131, and inner housing 20 is positioned primary importance.
In the part of each second sliding block 70 slidably near inner housing 20, and the second sliding block 70 comprises one second connector 71 and one second alignment pin 73.Second alignment pin is connected with the second connector 71, second alignment pin 73 is movably located in the second location hole 133, inner housing 20 is positioned the second place, wherein when the second alignment pin 73 is positioned at the second location hole 133, first alignment pin 63 leaves the first location hole 131, and the first alignment pin 63 is when being positioned at the first location hole 131, the second alignment pin 73 leaves the second location hole 133.Further, the second alignment pin 73 is also connected with a sidewall of the second connector 71 by a spring 75.Connect driving lever 80 two ends and be connected to the first connector 62 and the second connector 71, make the first sliding block 60 and the second sliding block 70 interlock, and make the first sliding block 60 and the second sliding block 70 reverse slide.
Safety socket 1 of the present invention also comprises a panel 95, and this panel 95 is engaged with each other with shell body 10.Panel 95 comprises two Access Division 951 and two sockets 953.Each Access Division 951 is near a sidewall of each first connector 62, and each socket 953 corresponds to the holding shrapnel 41 in each jack 21.First sliding block 60 comprises dividing plate 64,1 first spring 65 and one second spring 66 further.Dividing plate 64 is positioned on the first connector 62.First spring 65 is between dividing plate 64 and Access Division 951.Second spring 66 dividing plate 64 and between the first alignment pin 63.The coefficient of elasticity of the first spring 65 is greater than this second spring 66.Further, the first connector 62 also includes the first Connection Block 67, first Connection Block 67 and can be extended to form by the below of this dividing plate 64.In addition, the second connector 71 also comprises one second Connection Block 77, and connects driving lever 80 two ends and connect the first Connection Block 67 and the second Connection Block 77 respectively.Further, connecting driving lever 80 is by a pivot joint block 27 and inner housing 20 pivot joint.
Again consult Fig. 1.Fig. 1 presents the state that plug not yet inserts, and when plug 500 does not insert, cover plate 61 partly hides jack 21, first alignment pin 63 is positioned at the first location hole 131, make inner housing 20 be positioned primary importance, now contact site 43 does not contact with power contact 30, thus in electrical open.Please sequentially consult Fig. 3 to Fig. 8, be respectively the operation chart of safety socket of the present invention, and please also refer to Fig. 2, when plug 500 inserts safety socket 1 of the present invention, two joints 510 of plug 500 are because touching the slope block 610 of cover plate 61, and then push cover plate 61 and drive the first connector 62 to move, make the first alignment pin 63 leave the first location hole 131, and joint 510 is stretched in jack 21.
As shown in Figure 4, stretching in jack 21 and continue to move down when joint 510, joint 510 is clamped by holding shrapnel 41, and the downward pressure that joint 510 inserts simultaneously drives inner housing 20 to move down.Connect driving lever 80 interlock second sliding block 70.As shown in Figure 5, after joint 510 inserts holding shrapnel 41 completely, downward pressure makes contact site 43 protrude from via 23, and the second alignment pin 73 is positioned the second location hole 133, inner housing 20 is positioned a second place, now, contact site 43 contacts with power contact 30 thus in electrically conducting.
As shown in Figure 6, when plug 500 starts to extract, pull holding shrapnel 41, and elastic parts 45 provides elastic force that contact site 43 is moved up, now, power contact 30 is separated with contact site 43 at random, thus in open circuit.Therefore, even if the state of not extracting completely at plug, the danger of electric shock is not had yet.As shown in Figure 7, when plug 500 continues upwards to pull out and departs from jack 21, the first sliding block 60 because of the first spring 65 and the second spring 66 elastic force and move.And then, connect driving lever 80 and drive the second sliding block 70 oppositely movement, make the second alignment pin 73 leave the second location hole 133.As shown in Figure 8, after plug 500 leaves jack 21 completely, back-moving spring 50 provides elastic force to drive inner housing 20 to move up, and finally makes the first alignment pin 63 be positioned in the first location hole 131, makes inner housing 20 involution to primary importance.
The technical characterstic of safety socket of the present invention is, when unused state, the contact portion of power contact and feed-through assembly from and not charged, when conductive articles being inserted in safety socket even if intentional/involuntary, be also unlikely to produce the problem of getting an electric shock, in addition, owing to there being the involution in design mechanism of the present invention, do not need specific mode to plug, can make that power supply gets an electric shock, contact portion from and power-off, and reach the effect of security protection.
Although the present invention discloses as above with aforesaid embodiment; so itself and be not used to limit the present invention; anyly have the knack of alike those skilled in the art; without departing from the spirit and scope of the present invention; when doing a little change and retouching, therefore scope of patent protection of the present invention is as the criterion with the content defined in claim.
Claims (10)
1. a safety socket, is electrically connected with for a plug, it is characterized in that, comprising:
Two feed-through assemblies, respectively this feed-through assembly comprises an interconnective holding shrapnel and a contact site;
One shell body, the bottom of this shell body comprises two power contacts, and the sidewall of this shell body comprises relative one first location hole of two groups and one second location hole, and this first location hole is positioned at above this second location hole;
One inner housing, can be placed in shell body up or down, this inner housing comprises two jacks and two vias, this two jack this two feed-through assembly accommodating, insert for this plug and be held in holding shrapnel, this contact site is arranged in this via respectively, and this via position corresponds to this power contact, this plug can insert and this inner housing pressurized is moved down, and extremely respectively this contact site contacts this power contact;
Two positioning components, to be arranged between this shell body and this inner housing and to be linked in this inner housing, and the sidewall corresponding respectively to this shell body has the position of these two groups of location holes, respectively this positioning component comprises respectively:
One first sliding block, comprises one first alignment pin, and when the non-pressurized of this inner housing moves down, this first alignment pin is movably located on this first location hole;
One second sliding block, comprise one second alignment pin, this second alignment pin is movably located on this second location hole, when this first alignment pin is positioned at this first location hole, this second alignment pin departs from this second location hole, and when this inner housing pressurized moves down, this first alignment pin departs from this first location hole and when this second alignment pin is positioned at this second location hole, this first alignment pin departs from this first location hole; And
One connects driving lever, and its two ends connect this first sliding block and this second sliding block respectively, this first sliding block of interlock and this second sliding block, when this inner housing is moved up and down, and this first sliding block and this second sliding block reverse slide;
One inner housing, comprises two jacks, this two jack this two feed-through assembly accommodating, and move down when this endosome shell is stressed, respectively this contact site contacts this power contact, and this second alignment pin is positioned at this second location hole; And
One back-moving spring, be arranged between the bottom with this inner housing and this shell body and be connected, this back-moving spring provides elastic force that this inner housing is moved up, when this plug leaves this jack, this first sliding block and this second sliding block reverse slide, this second alignment pin is driven and departs from this second location hole, makes the first alignment pin be positioned this first location hole.
2. safety socket as claimed in claim 1, it is characterized in that, this inner housing also comprises a containing hole, this containing hole this back-moving spring accommodating.
3. safety socket as claimed in claim 1, it is characterized in that, respectively this first sliding block also comprises one first connector and a cover plate, one end of this first connector is connected with this first alignment pin, and this cover plate is positioned at the other end of this first connector, respectively this cover plate partly hides respectively this jack respectively, the pressure that this cover plate presses down by this plug and promote this first connector, and comprising one first Connection Block below this first connector, this first Connection Block connects this connection driving lever.
4. safety socket as claimed in claim 3, it is characterized in that, respectively this second sliding block also comprises one second connector, this second alignment pin is connected with this second connector, and this second connector comprises one second Connection Block, this connection driving lever connects this first Connection Block and this second Connection Block respectively.
5. safety socket as claimed in claim 1, it is characterized in that, this two feed-through assembly also comprises an elastic component respectively, this elastic component is socketed on this contact site, this contact site being socketed this elastic external member is positioned at this via when inner housing is not stressed, and when inner housing moves down by the pressure that this plug presses down, this contact site protrudes from via.
6. safety socket as claimed in claim 1, it is characterized in that, this inner housing comprises a pivot joint block, this connection driving lever by this pivot joint block further with this inner housing pivot joint.
7. safety socket as claimed in claim 4, it is characterized in that, respectively this second sliding block comprises a spring, and respectively this spring is at each this second connector and respectively between this second steady pin.
8. safety socket as claimed in claim 3, comprises a panel further, and this panel and this shell body and respectively this first sliding block are connected, and this panel comprises two Access Divisions, respectively this Access Division and respectively this first connector a sidewall near.
9. safety socket as claimed in claim 8, it is characterized in that, respectively this first sliding block comprises a dividing plate, one first spring and one second spring further, this dividing plate arranges in this first connector, between this Access Division and this first alignment pin, this first spring is connected with the side of this Access Division and this dividing plate respectively, and this second spring is connected with the opposite side of this dividing plate and this first alignment pin respectively, and wherein the coefficient of elasticity of this first spring is greater than this second spring.
10. safety socket as claimed in claim 1, it is characterized in that, this shell body also comprises two fixing holes, and respectively this fixing hole is relative to respectively this via, respectively fixing respectively this fixing hole of this power contact, and protrudes from respectively in this fixing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410230867.6A CN105337115B (en) | 2014-05-28 | 2014-05-28 | Safety socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410230867.6A CN105337115B (en) | 2014-05-28 | 2014-05-28 | Safety socket |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105337115A true CN105337115A (en) | 2016-02-17 |
| CN105337115B CN105337115B (en) | 2017-11-07 |
Family
ID=55287492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410230867.6A Expired - Fee Related CN105337115B (en) | 2014-05-28 | 2014-05-28 | Safety socket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105337115B (en) |
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