CN104916947B - The hole plate connector protection door of one kind five - Google Patents
The hole plate connector protection door of one kind five Download PDFInfo
- Publication number
- CN104916947B CN104916947B CN201510246284.7A CN201510246284A CN104916947B CN 104916947 B CN104916947 B CN 104916947B CN 201510246284 A CN201510246284 A CN 201510246284A CN 104916947 B CN104916947 B CN 104916947B
- Authority
- CN
- China
- Prior art keywords
- insert
- jack
- coaming plate
- socket
- block
- 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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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/44—Means for preventing access to live contacts
- H01R13/447—Shutter or cover plate
- H01R13/453—Shutter or cover plate opened by engagement of counterpart
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/514—Bases; Cases composed as a modular blocks or assembly, i.e. composed of co-operating parts provided with contact members or holding contact members between them
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
Abstract
Door is protected the present invention relates to a kind of five hole plate connector; including the socket dividing plate being located between socket base and socket cover; socket dividing plate is provided with five hole combination hubs, left front coaming plate and right front panel; socket membrane backside is provided with rear block; provided with two middle link stoppers in the middle of socket dividing plate, middle link stopper is located at two and inserted between jack and three slotting jacks；Two tops for inserting jack are provided with two and insert protection doors, and the front side of two slotting protection doors and left front coaming plate and right front panel offset, and spring is connected between the rear side and middle link stopper of two slotting protection doors；Three tops for inserting jack are provided with three and insert protection doors, and the front side of three slotting protection doors and middle link stopper offset, and spring is connected between the rear side and rear block of three slotting protection doors.In the present invention two insert protection doors and three insert protection doors each can independently open and close, it is ensured that only using two insert or three insert when, without using socket electrode still have protection door covering and stop, improve safety in utilization.
Description
Technical field
The present invention relates to a kind of five hole plate connector, more particularly to a kind of five hole plate connector protection door.
Background technology
Current socket, in order to avoid potential safety hazard, is generally provided with the protection door for covering and stopping socket electrode,
When plug is not inserted into, can't see, do not reach yet the inside electrode, with avoid child from playing or imprudence stretch metal small articles
Enter jack contact and cause personal injury to socket electrode, when plug is inserted, protection door can be pushed open, so that plug and socket is electric
Pole contacts and obtained electric.But, in five current hole plate connectors, insert and three slotting location arrangements are close due to two, typically all only
One protection door is set, that is to say, that is covered three simultaneously with a protection door and is inserted and two intercalative electrodes, when protecting door to be passed,
Three insert simultaneously exposed with two intercalative electrodes.Therefore, this protection door, is inserted when in five hole plate connectors using two or three insert
When, without using that socket electrode do not protected door to cover, in naked state, easily occur to play or not small because of child
The heart makes metal small articles stretch into jack contact to cause personal injury to socket electrode, however it remains potential safety hazard.
The content of the invention
Present invention mainly solves only cover three simultaneously with a protection door in the plate connector of original five hole to insert and two plug-ins
Pole, if only using two insert or three insert when, without using that socket electrode do not protected door to cover, in naked state,
There are still the technical problem of potential safety hazard；A kind of five hole plate connector protection door is provided, its existing two slotting protection door is again
There are three to insert protection doors, two protection doors are each independent, it is ensured that when five hole plate connectors are only inserted using two or three insert, without using insert
Seat electrode still has the covering of protection door and stopped, is prevented effectively from child and plays or accidentally metal small articles is stretched into jack contact
To socket electrode and the personal injury that causes, prevent potential safety hazard, improve safety in utilization.
The above-mentioned technical problem of the present invention is mainly what is be addressed by following technical proposals：The present invention is slotting including being located at
Socket dividing plate between seat base and socket cover, socket dividing plate is provided with five hole combination hubs, socket dividing plate and is additionally provided with a left side
Front panel and right front panel, socket membrane backside is provided with a rear block, and socket dividing plate centre is provided with two middle link stoppers, middle link stopper
Inserted positioned at two between jack and three slotting jacks, rear block is located at three rears for inserting jacks；The top that described two insert jack is provided with
Two insert protection doors, and two insert the front sides of protection doors and described left front coaming plate and right front panel offset, two insert the rear side of protection doors and
Spring is connected between described middle link stopper；Protection door is inserted in the top that described three insert jack provided with three, and three insert before protection door
Side and described middle link stopper are offseted, and spring is connected between the rear side of three slotting protection doors and described rear block.Left front coaming plate,
Set two to insert protection door between right front panel and middle link stopper, when two slotting protection doors are closed, acted on by spring force, two insert protection
The front side and left front coaming plate, right front panel of door offset.When two, which insert plug insertion two, inserts jack, insert plug two and push power effect
Under, overcome the elastic force of spring, promote two to insert protection Men Xiangzhong link stopper movements, so that opening two inserts protection door, two insert plug and peace
Two intercalative electrode grafting on socket base and it is electric.Three are set to insert protection door between middle link stopper and rear block, three insert guarantor
When protecting door closing, acted on by spring force, the front side of three slotting protection doors and middle link stopper offset.When three slotting plug insertions three are inserted
Kong Shi, inserts plug three and pushes under power effect, overcome the elastic force of spring, promote three to insert protection door and moved to rear block, so as to beat
Open three and insert protection doors, three insert plugs and three intercalative electrode grafting on socket base and it is electric.The present invention existing two, which is inserted, to be protected
Shield door has three to insert protection door again, and two protection doors are each independent, it is ensured that when five hole plate connectors are only inserted using two or three insert, do not make
Socket electrode still has the covering of protection door and stopped, be prevented effectively from child play or imprudence to stretch into metal small articles slotting
The personal injury that hole touches socket electrode and caused, prevents potential safety hazard, improves safety in utilization.
Preferably, described two insert protection door in T fonts, including vertical block and the left side and right side that are symmetrically connected in vertical block
Two horizontal blocks, two horizontal blocks are covered in the top that described two insert jacks, between the rear side and two middle link stoppers of two horizontal blocks
A spring is respectively connected with, vertical block is passed through from the interval between described left front coaming plate and right front panel, and described vertical block is set
There is a groove, the bottom land of groove is provided with a through hole, and described through hole and three described in the middle of two slotting jacks insert
The ground wire jack in hole matches.When two horizontal blocks, which are covered in two, inserts on jack, still it can be seen by the through hole of groove bottom land
Or touch three ground wire jacks for inserting jack.Therefore when three insert protection door opening, when three intercalative electrodes are exposed, still ensure that two insert guarantor
Shield door is closed.
Preferably, the leading flank of two described horizontal blocks is a guiding surface.It is easy to two to insert plug insertion two and inserts jack
When, implement a thrust on guiding surface, it is easier to push two open and insert protection door so that two insert when plug is inserted than relatively labor-saving.
Preferably, described three insert the contiguous block protected door including two pieces of skewbacks and connect two pieces of skewbacks, two pieces of skewbacks
Incline direction it is consistent with the firewire jack and the incline direction of zero line jack that described three insert jacks respectively, two pieces of skewbacks are distinguished
It is covered in three and inserts and connects in the middle part of the firewire jack of jack, the top of zero line jack, the rear side of contiguous block between described rear block
Be connected in the middle of spring, the front side of contiguous block and be connected with a bar blocks normal thereto, bar blocks from two described middle link stoppers it
Between interval pass through, and bar blocks front end be covered in three insert jacks ground wire jacks above.Contiguous block by two skewbacks,
One bar blocks links into an integrated entity, and under the elastic force effect of spring, the front side of contiguous block and middle link stopper offset, and three insert at protection door
In closed mode, three intercalative electrodes that two skewbacks and a bar blocks are covered on socket base.Three, which insert protection door, overcomes spring
Elastic force to rear block move when, contiguous block drives skewback, moved after bar blocks, exposes three intercalative electrodes, and three, which insert protection doors, is in and opens
State.
Preferably, described three insert the contiguous block protected door including two pieces of skewbacks and connect two pieces of skewbacks, two pieces of skewbacks
Incline direction it is consistent with the firewire jack and the incline direction of zero line jack that described three insert jacks respectively, two pieces of skewbacks are distinguished
It is covered in three and inserts and connects in the middle part of the firewire jack of jack, the top of zero line jack, the rear side of contiguous block between described rear block
Be connected in the middle of spring, the front side of contiguous block and be connected with a bar blocks normal thereto, bar blocks from two described middle link stoppers it
Between interval pass through, and the front end of bar blocks is extend into the groove that described two insert protection doors, and is covered in described
The top of through hole.Apart there is a segment distance front end of bar blocks and the front end of groove, and two insert when protection doors are opened after move away from
From matching.Therefore, when two slotting protections are moved and opened behind the door, three, which insert protection doors, still can be at closed mode；Three insert protection behind the door
When moving and opening, two, which insert protection door, still can be at closed mode.Further ensure that two protection doors are each independent, be independent of each other.
Preferably, there is individual guiding surface upward the front end of described bar blocks.It is easy to three to insert plug insertion three to insert
Kong Shi, implements a thrust on guiding surface, it is easier to pushes three open and inserts protection door so that three compare province when inserting plug insertion
Power.
Preferably, the middle part of described contiguous block is provided with a boss, there is individual be opened on rear side of contiguous block boss lower section
Cavity, the front ends of the described rear block of connection and three springs for inserting protection doors stretch into cavity and are connected to described bar blocks
Rear end.Spring is connected to the rear end of bar blocks, and the thrust for making plug be acted on when inserting in bar blocks is more easy to compression spring, and
Cavity structure also mitigates three weight for inserting protection doors to a certain extent so that pushing three open, to insert protection doors not only laborsaving but also stably.
Preferably, described left front coaming plate includes right coaming plate, front panel and left coaming plate, front panel is trapped among described two and inserted
The front of the left side jack of jack, right coaming plate is connected in the right hand edge of front panel and vertical with front panel, and right coaming plate extends to described
Socket dividing plate front side, left coaming plate is trapped among the left of the two left side jacks for inserting jacks, and left coaming plate is connected in the left hand edge of front panel
And it is vertical with front panel, left coaming plate extends to the rear side of described socket dividing plate, described right front panel and left front coaming plate structure
Identical, right front panel and left front coaming plate are symmetrical arranged.Left front coaming plate and right front panel had both been played fence effect, and guarantor is inserted to two
Shield door plays position-limiting action and guide effect, makes entirely to protect door more to consolidate.
The beneficial effects of the invention are as follows：Two, which insert protection door and three, inserts protection door each independently, can only open two and insert protection
Door, can also only open three insert protection doors, can also two protection doors all open, it is ensured that five hole plate connectors only using two insert or
Three insert when, without using socket electrode still have protection door covering and stop, be prevented effectively from child play or imprudence make metal
Small articles stretch into jack contact to socket electrode and the personal injury that causes, prevent potential safety hazard, improve safety in utilization.
Brief description of the drawings
Fig. 1 is a kind of dimensional decomposition structure diagram of the present invention.
Fig. 2 is a kind of overlooking the structure diagram of the present invention.
Fig. 3 is a kind of overlooking the structure diagram when the present invention opens two slotting protection doors.
Fig. 4 is a kind of overlooking the structure diagram when the present invention opens three slotting protection doors.
1. socket dividing plate in figure, 2. left front coaming plates, 3. right front panels, 4. rear blocks, link stopper, 6. liang of jacks, 7. in 5.
Three insert jack, insert for 8. liang and protect door, 9. 3 slotting protection doors, 10. springs, 11. socket covers, 21. right coaming plates, 22. front panels,
23. left coaming plate, 81. vertical blocks, 82. horizontal blocks, 83. grooves, 91. skewbacks, 92. contiguous blocks, 93. bar blocks, 94. boss.
Embodiment
Below by embodiment, and with reference to accompanying drawing, technical scheme is described in further detail.
Embodiment：A kind of five hole plate connector protection door of the present embodiment, as shown in Figure 1 and Figure 2, including installed in
Five hole combination hubs, five hole combination hubs are provided with socket dividing plate 1 between socket base and socket cover 11, socket dividing plate 1
Jack 6 is inserted by one two and one three is inserted jack 7 and constituted, and three ground wire jacks for inserting jack 7 are located at two two jacks for inserting jack 6
Between, three insert the lower section that the firewire jack of jack 7, zero line jack are located at two two jacks for inserting jack 6 respectively.Socket dividing plate 1
On be connected with left front coaming plate 2 normal thereto and right front panel 3, left front coaming plate 2 includes right coaming plate 21, front panel 22 and left coaming plate
23, front panel 22 is trapped among the front of the two left side jacks for inserting jack 6, and right coaming plate 21 is connected in the right hand edge of front panel 22 and and front wall
Plate 22 is vertical, and right coaming plate 21 extends to the front side of socket dividing plate 1, and left coaming plate 23 is trapped among the left of the two left side jacks for inserting jack 6,
Left coaming plate 23 is connected in the left hand edge of front panel 22 and vertical with front panel 22, and left coaming plate 23 extends to the rear side of socket dividing plate 1, right
Front panel 3 is identical with the left front structure of coaming plate 2, and right front panel 3 and left front coaming plate 2 are symmetrical arranged, and the right side of left front coaming plate is enclosed
A segment distance is separated between the left coaming plate of plate and right front panel.The rear side of socket dividing plate 1 is connected with a rear block 4 normal thereto, inserts
Seat dividing plate 1 centre position is connected with two middle link stoppers 5 normal thereto, and separately, middle link stopper 5 is located at two and inserts jack two middle link stoppers
6 and three insert jack 7 between, and middle link stopper close to three insert jacks firewire jacks and zero line jack.
Two insert the tops of jacks 6 inserts protection doors 8 covered with two, and two to insert protection doors 8 be in T fonts, including vertical block 81 and symmetrical
Ground is connected in the left side of vertical block 81 and two horizontal blocks 82 on right side, and two horizontal blocks 82 are covered in two tops for inserting jack 6, two horizontal blocks
82 leading flank is guiding surface, and the front panel of the forward edges of two horizontal blocks respectively with left front coaming plate, right front panel offsets,
Respectively it is connected with a spring 10 between the rear side and two middle link stoppers 5 of two horizontal blocks 82, vertical block 81 is from left front coaming plate 2 and right front wall
Interval between plate 3 is passed through, and vertical block 81 has a groove 83, and the bottom land of groove 83 has a through hole, and through hole and three insert jack 7
Ground wire jack it is corresponding.
Protection door 9 is inserted in three tops for inserting jack 7 covered with three, and three, which insert protection door 9, includes two pieces of two pieces of skewbacks 91 and connection
The contiguous block 92 of skewback 91, forms beveled structure, the incline directions of two pieces of skewbacks 91 respectively with three firewire jacks for inserting jacks 7 and
The incline direction of zero line jack is consistent, two pieces of skewbacks 91 be respectively overlay in three insert the firewire jack of jacks 7, zero line jack it is upper
Side, the front side of contiguous block 92 and two middle link stoppers 5 are offseted, and a bar blocks normal thereto are connected with the middle of the front side of contiguous block 92
93, bar blocks 93 are passed through from the interval between two middle link stoppers 5, and the front end of bar blocks 93 extend into two slotting protection doors 8
Groove 83 in, there is a guiding surface upward the and through hole covered on groove bottom land, the front end of bar blocks 93.Contiguous block 92
Middle part have a boss 94, there is a cavity for being opened on the rear side of contiguous block 92 lower section of boss 94, and connection rear block 4 and three, which is inserted, to be protected
The front end for protecting the spring 10 of door 9 stretches into cavity and is connected to the rear end of bar blocks 93, and its rear end is connected with rear block 4.
When using two insert and without using three insert when, as shown in figure 3, two insert plugs insertion when its push power act on two insert guarantor
The guiding surface of door is protected, the elastic force of spring is overcome, promotes two to insert protection Men Xiangzhong link stopper movements, so that opening two inserts protection door,
Two insert plugs and two intercalative electrode grafting on socket base and it is electric.Now, three positions for inserting protection door do not change,
Still three tops for inserting jack are covered in.
When being inserted using three and inserted without using two, as shown in figure 4, during three slotting plug insertions, the lower pressure of its earth pin
Act on three and insert the guiding surface protected in door bar blocks, overcome the elastic force of spring, promote three to insert protection doors and moved to rear block,
Insert protection doors so as to open three, three insert plugs and three intercalative electrode grafting on socket base and it is electric.Now, two guarantor is inserted
The position of shield door does not change, and is still covered in two tops for inserting jack.
In the present invention, two insert protection doors and three to insert protection doors each independent, can only open two and insert protection doors, can also be only
Open three insert protection doors, can also two protection doors all open, it is ensured that five hole plate connectors only using two insert or three insert when, do not make
Socket electrode still has the covering of protection door and stopped, be prevented effectively from child play or imprudence to stretch into metal small articles slotting
The personal injury that hole touches socket electrode and caused, improves safety in utilization.
Claims (1)
1. a kind of five hole plate connector protects door, it is characterised in that including being located between socket base and socket cover (11)
Socket dividing plate (1), socket dividing plate (1) is provided with five hole combination hubs, be additionally provided with socket dividing plate (1) left front coaming plate (2) and
Provided with a rear block (4) on rear side of right front panel (3), socket dividing plate (1), provided with two middle link stoppers in the middle of socket dividing plate (1)
(5), middle link stopper (5) is located at two and inserted between jack (6) and three slotting jacks (7), and rear block (4) is located at three rears for inserting jacks (7)；
Protection door (8) is inserted in the top that described two insert jack (6) provided with two, and two insert the front side of protection door (8) and described left front coaming plate
(2) and right front panel (3) offsets, two to insert and be connected with spring (10) between the rear side and described middle link stopper (5) of protection doors (8)；
Protection door (9) is inserted in the top that described three insert jack (7) provided with three, and three insert the front side of protection door (9) and described middle link stopper (5)
Offset, spring (10) is connected between the rear side of three slotting protection doors (9) and described rear block (4)；Described two insert protection door
(8) it is in T fonts, including vertical block (81) and is symmetrically connected in the left side of vertical block (81) and two horizontal blocks (82) on right side, two horizontal strokes
Block (82) is covered in the top that described two insert jacks (6), respectively connects between the rear side of two horizontal blocks (82) and two middle link stoppers (5)
A spring (10) is connected to, vertical block (81) is passed through from the interval between described left front coaming plate (2) and right front panel (3), institute
The vertical block (81) stated is provided with a groove (83), and the bottom land of groove (83) is provided with a through hole, described through hole and described position
Match in two three ground wire jacks for inserting jack (7) inserted in the middle of jack (6)；Described three, which insert protection door (9), includes two pieces tiltedly
Block (91) and the contiguous block (92) for connecting two pieces of skewbacks (91), the incline direction of two pieces of skewbacks (91) are inserted with described three respectively
The firewire jack in hole (7) and the incline direction of zero line jack are consistent, and two pieces of skewbacks (91) are respectively overlay in three fire for inserting jack (7)
In the middle part of the top of line jack, zero line jack, the rear side of contiguous block (92) spring is connected between described rear block (4)
(10) bar blocks (93) normal thereto, are connected with the middle of the front side of contiguous block (92), bar blocks (93) are from described two
Interval between middle link stopper (5) is passed through, and the front end of bar blocks (93) extend into the groove that described two insert protection door (8)
(83) in, and it is covered in the top of described through hole；The middle part of described contiguous block (92) is provided with a boss (94), boss
(94) there is the individual cavity being opened on rear side of contiguous block (92) lower section, and the described rear block (4) of connection and three insert the bullet of protection doors (9)
The front end of spring (10) stretches into cavity and is connected to the rear end of described bar blocks (93)；The leading flank of two described horizontal blocks (82)
It is a guiding surface；There is individual guiding surface upward the front end of described bar blocks (93)；Described left front coaming plate (2) includes the right side
Coaming plate (21), front panel (22) and left coaming plate (23), front panel (22) are trapped among before the left side jack that described two insert jack (6)
Side, right coaming plate (21) is connected in the right hand edge of front panel (22) and vertical with front panel (22), and right coaming plate (21) extends to described
The front side of socket dividing plate (1), left coaming plate (23) is trapped among the left of the two left side jacks for inserting jack (6), before left coaming plate (23) is connected in
The left hand edge of coaming plate (22) is simultaneously vertical with front panel (22), and left coaming plate (23) extends to the rear side of described socket dividing plate (1), institute
The right front panel (3) stated is identical with left front coaming plate (2) structure, and right front panel (3) and left front coaming plate (2) are symmetrical arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510246284.7A CN104916947B (en) | 2015-05-14 | 2015-05-14 | The hole plate connector protection door of one kind five |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510246284.7A CN104916947B (en) | 2015-05-14 | 2015-05-14 | The hole plate connector protection door of one kind five |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104916947A CN104916947A (en) | 2015-09-16 |
| CN104916947B true CN104916947B (en) | 2017-07-18 |
Family
ID=54085789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510246284.7A Active CN104916947B (en) | 2015-05-14 | 2015-05-14 | The hole plate connector protection door of one kind five |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104916947B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105591226B (en) * | 2016-01-26 | 2019-04-23 | 浙江正泰建筑电器有限公司 | Socket |
| CN107394548A (en) * | 2017-07-14 | 2017-11-24 | 深圳市湖渊电气技术有限公司 | A kind of small five spring hole scoket provided with protection door cradle |
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| CN102244329A (en) * | 2010-05-11 | 2011-11-16 | 飞雕电器集团有限公司 | Protective door structure for five-jack socket |
| CN102244330A (en) * | 2010-05-11 | 2011-11-16 | 飞雕电器集团有限公司 | Structure with double protection doors for five-hole socket |
| CN202259854U (en) * | 2011-09-23 | 2012-05-30 | 杭州鸿雁电器有限公司 | Shutter structure of five-jack socket |
| CN202373747U (en) * | 2011-11-16 | 2012-08-08 | 宁波宏一电子科技有限公司 | Improved structure for protective door of five-hole socket |
| CN204632991U (en) * | 2015-05-14 | 2015-09-09 | 浙江德力西国际电工有限公司 | A kind of five hole plate connector shutter structures |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593647B (en) * | 2012-01-17 | 2014-09-03 | 宁波市科迈隆电器有限公司 | Safe socket with protective door |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201674088U (en) * | 2010-05-11 | 2010-12-15 | 飞雕电器集团有限公司 | Protective door structure for five-hole socket |
| CN102244329A (en) * | 2010-05-11 | 2011-11-16 | 飞雕电器集团有限公司 | Protective door structure for five-jack socket |
| CN102244330A (en) * | 2010-05-11 | 2011-11-16 | 飞雕电器集团有限公司 | Structure with double protection doors for five-hole socket |
| CN202259854U (en) * | 2011-09-23 | 2012-05-30 | 杭州鸿雁电器有限公司 | Shutter structure of five-jack socket |
| CN202373747U (en) * | 2011-11-16 | 2012-08-08 | 宁波宏一电子科技有限公司 | Improved structure for protective door of five-hole socket |
| CN204632991U (en) * | 2015-05-14 | 2015-09-09 | 浙江德力西国际电工有限公司 | A kind of five hole plate connector shutter structures |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104916947A (en) | 2015-09-16 |
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