CN208093823U - A kind of U.S. rule socket mispluged with protection door child-resistant - Google Patents

Abstract

The utility model is related to jack technology fields; specifically; it is a kind of U.S. rule socket mispluged with protection door child-resistant; its protective door uses split structure; including the first protective door, the second protective door, elastic element, first protective door and the second protective door are oppositely arranged and are able to move back and forth along the line direction of firewire jack and zero line jack；The opposite end of the elastic element is connected to the first protective door and the second protective door, and first protective door and the second protective door have the trend for the opposite sides movement for being respectively facing the U.S. rule socket under the action of elastic element.This kind of socket has the advantages that simple in structure, durable.

Description

A kind of U.S. rule socket mispluged with protection door child-resistant

Technical field

The utility model is related to jack technology fields, are that a kind of U.S. rule mispluged with protection door child-resistant are slotting specifically Seat.

Background technology

Socket refer to there are one or the pluggable seat of more than one circuit connection, various wiring can be inserted by it, be convenient for It is connected with other circuits.By the connection and disconnection between circuit and copper piece, it is finally reached the connecting and disconnecting of the partial circuit. With socket is matched plug, to prevent children's play or other reasons that plug or other easy conductive metal objects are accidentally inserted into socket In cause short circuit to be formed fire or directly to cause children from getting electric shock accident, socket currently on the market is most of equipped with protection door knot Structure.

China Patent Publication No. CN206864701U, publication date on 01 09th, 2018, a kind of entitled band protection door are anti- The utility model patent for the American Standard socket that children misplug discloses a kind of socket with protection door, including panel, pedestal, protection Door, protection door are equipped with straight slot, mounting post and the first limited block for elastic elements are equipped in the straight slot；The protection Edge is additionally provided with the second limited block, third limited block and the 4th limited block for being limited to the protection door periphery outdoors；It is described Protection door is equipped with the first guiding surface corresponding with the zero line jack, and corresponding with the firewire jack second is oriented to tiltedly Face, first guiding surface is identical as the inclined direction of the second guiding surface, and first guiding surface is to described The direction of first limited block tilts.Protection door in this patent socket is integral structure, is moved towards side, while being inserted to firewire Hole and zero line jack, which are realized, closes protection, this so that firewire jack and zero line jack are linkage when opening, and component damages Integral replacing is needed after bad, and monopole cannot be prevented to be inserted into.Therefore, it is necessary to design a kind of U.S. mispluged with protection door child-resistant Socket is marked, keeps its simple in structure, protective is strong, can effectively avoid children from mispluging electric shock and cause safety accident.

Utility model content

The purpose of this utility model is that designing a kind of U.S. rule socket mispluged with protection door child-resistant, there is structure letter Advantage single, stable, durable, protective is strong.

The utility model is achieved through the following technical solutions：

It is a kind of to advise socket, including panel and pedestal with U.S. that protection door child-resistant misplugs, have on the panel mutually flat Capable firewire jack, zero line jack, are provided with protective door between the panel and pedestal, the protective door uses split type knot Structure, including the first protective door, the second protective door, elastic element, first protective door and the second protective door are oppositely arranged and divide It can not be moved back and forth along the line direction of firewire jack and zero line jack；The opposite end of the elastic element is connected to First protective door and the second protective door, first protective door and the second protective door have court respectively under the action of elastic element The trend moved to the opposite sides of the U.S. rule socket.

It is further to realize the utility model to be better, especially use following setting structures：The first protective door packet The first sideslip bar and the second sideslip bar relatively disposed in parallel are included, further includes that opposite end is connected to the first sideslip bar and First protective door top shoe of two sideslip bar right end medial surfaces has on the first protective door top shoe for being inserted across firewire First firewire plug inlet of head has the first guiding surface at the first firewire plug inlet；

Second protective door includes the second protective door top shoe being located at the first protective door top shoe in same level, There is the first zero curve plug inlet on second protective door, have second to be oriented to tiltedly at the first zero curve plug inlet Face is provided with the elastic element mounting base positioned opposite with the second sideslip bar on second protective door, the elastic element Opposite end is connected to the left end end of elastic element mounting base and the second sideslip bar；

First guiding surface is opposite with the inclined direction of the second guiding surface；

The lateral surface of first sideslip bar and the lateral surface of the second sideslip bar are slidably matched with the U.S. rule socket respectively； Medial surface of the opposite sides of the second protective door top shoe respectively with the first sideslip bar and the second sideslip bar is slidably matched, institute The outside and the U.S. rule socket for stating elastic element mounting base are slidably matched.

It is further to realize the utility model to be better, especially use following setting structures：It is provided on the panel Mounting groove for installing the protective door, the mounting groove include the first limit rib for being sequentially connected and forming rectangular frame, Second limit rib, third limit rib, the 4th limit rib, the firewire jack and zero line jack are located in mounting groove；

The outside of first sideslip bar, the outside of the second sideslip bar are limited with the inside of the first limit rib, third respectively It offsets and is slidably matched on the inside of muscle, the right end end face of first sideslip bar, the right end end face of the second sideslip bar are respectively with Two limit ribs offset, and the left end end face of the second protective door top shoe, the left end end face of elastic element mounting base are with the 4th It offsets on the inside of limit rib, offsets and be slidably matched on the inside of the outside of the elastic element mounting base and third limit rib.

It is further to realize the utility model to be better, especially use following setting structures：First protective door is also The first protective door sliding block of the first sideslip bar and the second sideslip bar left end medial surface is connected to including opposite end, it is described First protective door sliding block is located at below the first protective door top shoe, and the first protective door sliding block has the second zero curve plug Insert port forms vacancy between the first protective door sliding block and the first protective door top shoe；

Second protective door further includes the second protective door sliding block for being located at same level with the first protective door sliding block, The left end of the second protective door sliding block is connected to the right end bottom surface of the second protective door top shoe, and second protective door glides Block is installed in vacancy, has the second firewire plug inlet on the second protective door sliding block；

The second firewire plug inlet is inserted under the action of elastic element with the first firewire plug inlet and firewire Hole is in and is staggered position, the second zero curve plug inlet under the action of elastic element with the first zero curve plug inlet and Zero line jack is in the position that is staggered.

It is further to realize the utility model to be better, especially use following setting structures：4th limit rib Inside offers the first locating slot, and the left end of the second protective door top shoe is provided with to slide into the first locating slot and carry out First locating convex block of positioning.

It is further to realize the utility model to be better, especially use following setting structures：First limit rib Inside offers the second locating slot, and second for stretching into and being positioned in the second locating slot is provided on the outside of first sideslip bar Locating convex block.

It is further to realize the utility model to be better, especially use following setting structures：The elastic element is spiral shell Spinning spring.

It is further to realize the utility model to be better, especially use following setting structures：The elastic element installation It is both provided with spring mounting post in seat and the second sideslip bar.

It is further to realize the utility model to be better, especially use following setting structures：The bottom sides of the panel Along having buckle ear, there is catching groove corresponding with buckle ear position on the pedestal, be provided with and buckle ear snapping in the catching groove Protrusion.

It is further to realize the utility model to be better, especially use following setting structures：Also have on the panel Ground wire jack；The shape of the ground wire jack is the round hole that top margin is flat-top.

It is further to realize the utility model to be better, especially use following setting structures：The ground wire jack is located at Outside mounting groove.

The utility model has the following advantages and advantageous effect：

In the utility model, protective door enables the first protective door and the second protective door independent using split type design Movement, does not link, and sliding is more steady, one of them is only needed to change when single protective door damages.First is anti- Shield door and the second protective door simplify socket internal structure using being symmetrically arranged.First protective door includes the first protective door Top shoe and the first protective door sliding block, the second protective door include the second protective door top shoe and the second protective door sliding block.It inserts When entering plug, zero curve plug and firewire plug simultaneously by zero line jack and firewire jack and respectively with the second guiding surface and the One guiding surface contacts, and the first protective door and opposite slide of the second protective door are drawn close under the action of guiding surface, the first firewire Plug inlet and the second zero curve plug inlet are inserted towards left slide, the first zero curve plug inlet and the second firewire plug Entrance is slided towards right side, and zero line jack and firewire jack are gradually exposed；And when monopole is inserted into, for example firewire plug is inserted Fashionable, the first guiding surface of firewire Plug contact, the first firewire plug inlet and the second zero curve plug inlet are towards left side Sliding；But the second protective door does not move, the second firewire plug inlet without Slideslip to the right, always with firewire jack phase The case where mistake, firewire plug can not go deep into inside socket connecting with firewire, monopole capable of being prevented to be inserted into, improves protective.

Description of the drawings

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, other drawings may also be obtained based on these drawings.

Fig. 1 is a kind of three-dimensional structure diagram of U.S. rule socket mispluged with protection door child-resistant；

Fig. 2 is the explosive view of Fig. 1；

Fig. 3 is the installation diagram of the protective door and panel；

Fig. 4 is the exploded perspective view of Fig. 3；

Fig. 5 is the explosive view of the protective door；

Fig. 6 is the schematic diagram when protective door is in open state；

In figure label for：

1- panels；11- firewire jacks；12- zero line jacks；13- ground wire jacks；14- mounting grooves；The first limit ribs of 14a-； The second limit ribs of 14b-；14c- third limit ribs；The 4th limit ribs of 14d-；The first locating slots of 15-；The second locating slots of 16-；17- Buckle ear；

2- pedestals；21- catching grooves；

The first protective doors of 3-；The first sideslip bars of 31-；The second sideslip bars of 32-；33- the first protective door top shoes；34- first Firewire plug inlet；The first conducting wires of 35- inclined-plane；36- the first protective door sliding blocks；37- the second zero curve plug inlets；38- Vacancy；The second locating convex blocks of 39-；

The second protective doors of 4-；41- the second protective door top shoes；42- the first zero curve plug inlets；43- second is oriented to tiltedly Face；44- elastic element mounting bases；45- the second protective door sliding blocks；46- the second firewire plug inlets；The first convexes of 47- Block；

5- elastic elements.

Specific implementation mode

It, below will be to the technology of the utility model to keep the purpose of this utility model, technical solution and advantage clearer Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work Obtained all other embodiment is put, the range that the utility model is protected is belonged to.

Embodiment：

A kind of U.S. rule socket mispluged with protection door child-resistant, with simple in structure, stable, durable, protective is strong The advantages of, as shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, it is specifically arranged to following structures：

Panel 1 including mutual snapping and pedestal 2, the bottom edge of panel 1 have the buckle ear 17 extended towards pedestal 2, The quantity of buckle ear 17 is two, is relatively arranged on the left and right sides of neighbouring panel 1.Have on pedestal 2 opposite with 17 position of buckle ear The catching groove 21 answered is provided with the protrusion with 17 snapping of buckle ear in catching groove 21.The protrusion is stretched into the hole of buckle ear 17, buckle ear 17 Border clasp the protrusion, so that panel 1 is snapped together with pedestal 2.

Panel 1 can be two-phase socket, have firewire jack 11, the zero line jack 12 being mutually parallel, it is possible to have ground Line jack 13 becomes three-phase socket；The shape of ground wire jack 13 is the round hole that top margin is flat-top.

In the bottom of panel 1, for tool there are one the mounting groove 14 for installing protective door, which includes being sequentially connected And form the first limit rib 14a, the second limit rib 14b, third limit rib 14c, the 4th limit rib 14d of rectangular frame.Firewire The position of opening of jack 11 and zero line jack 12 is located in mounting groove 14, and the position of opening of ground wire jack 13 should be located at mounting groove Outside 14.

The protective door is installed in mounting groove 14, and the top of pedestal 2 resists protective door use point described in the protective door Body formula structure is made of the first protective door 3, the second protective door 4, elastic element 5.First protective door 3 is being pacified with the second protective door 4 It is oppositely arranged in tankage 14, and is able to move back and forth along the line direction of firewire jack 11 and zero line jack 12, realization pair The unlatching and masking of firewire jack 11 and zero line jack 12.

Wherein, elastic element 5 is helical compression spring.

Specifically, the first protective door 3 is integrally formed structures part, including the first sideslip relatively parallel and being laterally arranged Item 31 and the second sideslip bar 32, the length of the second sideslip bar 32 is less than the length of the first sideslip bar 31, in 31 He of the first sideslip bar Be provided with a first vertically arranged protective door top shoe 33 between second sideslip bar 32, the first protective door top shoe 33 it is opposite Both ends are connected on the right end medial surface of the first sideslip bar 31 and the right end medial surface of the second sideslip bar 32, are used for and firewire Jack 11 corresponds to.The right end of first sideslip bar 31 and the second sideslip bar 32 protrudes the first 33 1 sections of protective door top shoe and is formed One notch, the notch are for the first firewire plug inlet 34 across firewire plug, the first firewire plug inlet 34 The first protective door top shoe 33 on there is the first guiding surface 35, the notch with the second limit rib 14b to be collectively formed one simultaneously The variable opening of aperture.

Specifically, the second protective door 4 is also integrally formed structures part, including it is located at the first protective door top shoe 33 The second protective door top shoe 41 in same level has the first zero curve plug inlet 42, the first zero curve on the second protective door 4 There is the second guiding surface 43 at plug inlet 42；There is the bullet positioned opposite with the second sideslip bar 32 on second protective door 4 Property element mounting base 44 is both provided with spring mounting post in elastic element mounting base 44 and the second sideslip bar 32.Elastic element is pacified It fills the part opposite with the second sideslip bar 32 of seat 44 to be formed with one cabin of third limit rib 14c formation, the cabin is for placing bullet Property element 5 simultaneously plays the role of it limit, guiding, and the opposite end of elastic element 5 is connected to elastic element mounting base 44 and second sideslip bar 32 left end end.

Wherein, the first guiding surface 35 is opposite with the inclined direction of the second guiding surface 43.

The outside of first sideslip bar 31, the second sideslip bar 32 outside respectively with the inside of the first limit rib 14a, third limit It offsets and is slidably matched on the inside of the muscle 14c of position；The opposite sides of second protective door top shoe 41 respectively with the first sideslip bar 31 and The medial surface of second sideslip bar 32 is slidably matched, the medial surface phase in the outside and third limit rib 14c of elastic element mounting base 44 It supports and is slidably matched.

First protective door 3 and the second protective door 4 have under the action of elastic element 5 is respectively facing the U.S. rule socket The trend of opposite sides movement.When protective door is closed, the length longest of elastic element 5 and be in compressive state, First protective door top shoe 33 is in right end, the first guiding surface 35 and 11 face of firewire jack, the right side of the first sideslip bar 31 End end and the right end end of the second sideslip bar 32 offset with the second limit rib 14b, the left end end of the first sideslip bar 31 and the It is the shift length of the first protective door 3 that the left end end of two sideslip bars 32 has gap, the gap with the 4th limit rib 14d；The Two protective doors 4 are in left end, the second guiding surface 43 and 12 face of zero line jack, the left end of the second protective door top shoe 41 The medial surface of end face and the left end end face of elastic element mounting base 44 respectively with the 4th limit rib 14d offsets.

When plug is inserted into, zero curve plug and firewire plug are simultaneously by zero line jack 12 and firewire jack 11 and respectively with the Two guiding surfaces 43 and the contact of the first guiding surface 35,4 phase of the first protective door 3 and the second protective door under the action of guiding surface Sliding is drawn close, by zero line jack 12 and the gradually exposure of firewire jack 11.First protective door, 3 He is made using split type design Second protective door 4 can move alone, and not link, and sliding is more steady, is only needed to change when single protective door damages One of them.First protective door 3 and the second protective door 4 simplify socket internal structure using being symmetrically arranged.

Preferably, in order to improve the protective capacities of protective door and monopole be avoided to be inserted into, protective door may be used arranged below Structure type：

The first vertically arranged protective door is set between the first sideslip bar 31 and the second sideslip bar 32 of the first protective door 3 Sliding block 36,36 opposite end of the first protective door sliding block are separately connected the left end medial surface of the first sideslip bar 31 and second and break away The left end medial surface of item 32 is offered on the first protective door sliding block 36 in zero line jack 12 and the first zero curve plug inlet 42 corresponding second zero curve plug inlets 37.First protective door sliding block 36 is located under the left side of the first protective door top shoe 33 Side, the left end end face of the first protective door sliding block 36 is concordant with the left end end face of the first sideslip bar 31 and the second sideslip bar 32, the A vacancy 38 is formed between one protective door sliding block 36 and the first protective door top shoe 33.

Second protective door 4 is then arranged the second protective door sliding block 45, under the second protective door sliding block 45 and the first protective door Sliding block 36 is located at same level, and the left end of the second protective door sliding block 45 is connected to the right end bottom of the second protective door top shoe 41 The right end in face, the second protective door sliding block 45 extends towards 33 side of the first protective door top shoe；Second protective door sliding block 45 It is right with firewire jack 11 and the first firewire plug inlet 34 in having in vacancy 38, on the second protective door sliding block 45 to install The the second firewire plug inlet 46 answered.

When protective door is closed, the right end end face of the second protective door sliding block 45 and the second limit rib 14b it Between have spacing, the spacing be the second protective door 4 shift length.Work of the second firewire plug inlet 46 in elastic element 5 It is in the position that is staggered with the first firewire plug inlet 34 and firewire jack 11 with lower, the second zero curve plug inlet 37 is in bullet Under the action of property element 5 position that is staggered is in the first zero curve plug inlet 42 and zero line jack 12.

Preferably, it in order to improve the stability and durability of protective door operation, is offered on the inside of the 4th limit rib 14d First locating slot 15, the left end of the second protective door top shoe 41 are provided with that can slide into and be positioned in the first locating slot 15 One locating convex block 47.

The second locating slot 16 is offered on the inside of the first limit rib 14a simultaneously, is arranged in the outside of the first sideslip bar 31 There is the second locating convex block 39 for stretching into and being positioned in the second locating slot 16, avoids the first protective door 3 from occurring in sliding larger Deflection.

When being inserted into plug, zero curve plug and firewire plug pass through zero line jack 12 and firewire jack 11 and difference simultaneously It is contacted with the second guiding surface 43 and the first guiding surface 35, the first protective door 3 and second protects under the action of guiding surface 4 opposite sliding of door is drawn close, and the first firewire plug inlet 34 and the second zero curve plug inlet 37 are towards left slide, and the one zero Line plug inlet 42 and the second firewire plug inlet 46 are slided towards right side, by zero line jack 12 and firewire jack 11 by Gradually expose.

When monopole is inserted into, for example when the insertion of firewire plug, the first guiding surface of firewire Plug contact 35, the first firewire is inserted Head insert port 34 and the second zero curve plug inlet 37 are towards left slide；But the second protective door 4 does not move, the second fire Line plug inlet 46 is staggered with firewire jack 11 always without Slideslip to the right, firewire plug can not go deep into inside socket with The case where firewire connects, and protective door cannot break through, monopole can be prevented to be inserted into easily improves protective.

Above description is only a specific implementation of the present invention, but the scope of protection of the utility model is not limited to In this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation Or replace, it should be covered within the scope of the utility model.

Claims (10)

1. a kind of advising socket, including panel (1) and pedestal (2) with U.S. that protection door child-resistant misplugs, have on the panel (1) Firewire jack (11), the zero line jack (12) being mutually parallel, protective door is provided between the panel (1) and pedestal (2), special Sign is：The protective door uses split structure, including the first protective door (3), the second protective door (4), elastic element (5), First protective door (3) is oppositely arranged and is able to along firewire jack (11) and zero line jack with the second protective door (4) (12) line direction moves back and forth；The opposite end of the elastic element (5) is connected to the first protective door (3) and second Protective door (4), first protective door (3) and the second protective door (4) have under the action of elastic element (5) is respectively facing institute State the trend of the opposite sides movement of U.S. rule socket.

2. a kind of U.S. rule socket mispluged with protection door child-resistant according to claim 1, it is characterised in that：Described first Protective door (3) includes the first sideslip bar (31) relatively disposed in parallel and the second sideslip bar (32), further includes opposite end difference It is connected to the first protective door top shoe (33) of the first sideslip bar (31) and the second sideslip bar (32) right end medial surface, described first Have on protective door top shoe (33) for the first firewire plug inlet (34) across firewire plug, first firewire is inserted There is the first guiding surface (35) at head insert port (34)；

Second protective door (4) includes being located on the second protective door in same level to slide with the first protective door top shoe (33) Block (41) has the first zero curve plug inlet (42), the first zero curve plug inlet on second protective door (4) (42) there is the second guiding surface (43) at, be provided on second protective door (4) positioned opposite with the second sideslip bar (32) Elastic element mounting base (44), the opposite end of the elastic element (5) be connected to elastic element mounting base (44) and The left end end of second sideslip bar (32)；

First guiding surface (35) is opposite with the inclined direction of the second guiding surface (43)；

The lateral surface of first sideslip bar (31) and the lateral surface of the second sideslip bar (32) are slided with the U.S. rule socket respectively Cooperation；The opposite sides of the second protective door top shoe (41) respectively with the first sideslip bar (31) and the second sideslip bar (32) Medial surface is slidably matched, and the outside of the elastic element mounting base (44) is slidably matched with the U.S. rule socket.

3. a kind of U.S. rule socket mispluged with protection door child-resistant according to claim 2, it is characterised in that：The panel (1) mounting groove (14) for installing the protective door is provided on, the mounting groove (14) includes being sequentially connected and forming square The first limit rib (14a), the second limit rib (14b), third limit rib (14c), the 4th limit rib (14d) of shape frame, it is described Firewire jack (11) and zero line jack (12) are located in mounting groove (14)；

The outside of first sideslip bar (31), the outside of the second sideslip bar (32) respectively with the inside of the first limit rib (14a), It offsets and is slidably matched on the inside of third limit rib (14c), the right end end face of first sideslip bar (31), the second sideslip bar (32) right end end face offsets with the second limit rib (14b) respectively, the left end end face of the second protective door top shoe (41), bullet The left end end face of property element mounting base (44) with offset on the inside of the 4th limit rib (14d), the elastic element mounting base (44) it offsets and is slidably matched on the inside of outside and third limit rib (14c).

4. a kind of U.S. rule socket mispluged with protection door child-resistant according to claim 3, it is characterised in that：Described first Protective door (3) further includes that opposite end is connected to the first sideslip bar (31) and the second sideslip bar (32) left end medial surface One protective door sliding block (36), the first protective door sliding block (36) is located at below the first protective door top shoe (33), described First protective door sliding block (36) has the second zero curve plug inlet (37), the first protective door sliding block (36) and first Vacancy (38) is formed between protective door top shoe (33)；

Second protective door (4) further includes the second protective door downslide for being located at same level with the first protective door sliding block (36) Block (45), the left end of the second protective door sliding block (45) are connected to the right end bottom surface of the second protective door top shoe (41), institute It states the second protective door sliding block (45) to install in vacancy (38), there is the second firewire on the second protective door sliding block (45) Plug inlet (46)；

The second firewire plug inlet (46) under the action of elastic element (5) with the first firewire plug inlet (34) and Firewire jack (11) is in and is staggered position, and the second zero curve plug inlet (37) is under the action of elastic element (5) with the One zero curve plug inlet (42) and zero line jack (12) are in the position that is staggered.

5. a kind of U.S. rule socket mispluged with protection door child-resistant according to claim 4, it is characterised in that：Described 4th The first locating slot (15) is offered on the inside of limit rib (14d), the left end of the second protective door top shoe (41) is provided with energy Enough slide into the first locating convex block (47) positioned in the first locating slot (15).

6. a kind of U.S. rule socket mispluged with protection door child-resistant according to claim 5, it is characterised in that：Described first The second locating slot (16) is offered on the inside of limit rib (14a), is provided on the outside of first sideslip bar (31) and is stretched into second The second locating convex block (39) positioned in locating slot (16).

7. a kind of U.S. rule socket mispluged with protection door child-resistant according to claim 1, it is characterised in that：The elasticity Element (5) is helical compression spring.

8. a kind of U.S. rule socket mispluged with protection door child-resistant according to claim 7, it is characterised in that：The elasticity It is both provided with spring mounting post in element mounting base (44) and the second sideslip bar (32).

9. a kind of U.S. rule socket mispluged with protection door child-resistant according to claim 1, it is characterised in that：The panel (1) bottom edge has buckle ear (17), has catching groove (21) corresponding with buckle ear (17) position, institute on the pedestal (2) It states and is provided in catching groove (21) and the protrusion of buckle ear (17) snapping.

10. according to a kind of U.S. rule socket mispluged with protection door child-resistant of claim 1-9 any one of them, feature exists In：Also there is ground wire jack (13) on the panel (1)；The shape of the ground wire jack (13) is the circle that top margin is flat-top Hole.