CN105119083B - A kind of external-added socket protection cover - Google Patents
A kind of external-added socket protection cover Download PDFInfo
- Publication number
- CN105119083B CN105119083B CN201510377631.XA CN201510377631A CN105119083B CN 105119083 B CN105119083 B CN 105119083B CN 201510377631 A CN201510377631 A CN 201510377631A CN 105119083 B CN105119083 B CN 105119083B
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- China
- Prior art keywords
- removable cover
- cage knob
- socket
- protection cap
- protection
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Abstract
The invention discloses a kind of external-added socket protection covers; including protection cap matrix; further include removable cover; removable cover is movably connected on protection cap matrix; the removable cover Self-resetting mechanism that driving removable cover returns to origin position is equipped between removable cover and protection cap matrix, protection cap matrix is equipped with the removable cover locking mechanism that removable cover can be made to keep origin position.The security performance of socket can be greatly improved in the present invention, and with dependable performance, the series of advantages such as Innovation Input is less, simple in structure, and manufacture is at low cost, economizes on resources, and reduces and wastes, and occupation mode is flexible.
Description
Technical field
The present invention relates to a kind of electrical connection, more specifically, it relates to a kind of external-added socket protection cover.
Background technology
Socket is electric device indispensable in contemporary work and life, and people can be supplied in various electricity consumption places by socket
Electric energy is easily and safely taken from utility network.But the most security protection performance of socket common at present is relatively low, for
There are very big security risk for the children of absolute ignorance in terms of the Electrical Safety, it is inserted into socket once children hold conductive material and inserts
Electric shock accidents may can occur for slot, and with the continuous development of society, and child has more and more chance contact new things,
Its intellectual development constantly accelerates, and the things of complicated safety was seemed before very much, has become no longer safe.How to conventional socket into
Row structural improvement is not easy to transmit electricity outward so as to develop in improper electricity consumption, and surmounts present child's human-subject test and make
The socket that child's electric shock accidents probability of happening greatly reduces is a subject urgently to be resolved hurrily.Also there are many known wounds at present
New technology or will be applied, and improve or be expected to improve the safety in utilization of socket, but old-fashioned socket is possessed at present
Measure huge, and the user of most of old-fashioned sockets thinks that old product still may be used, if integral replacing is higher into safety
New product, it is not only troublesome, and certain cost is needed, therefore the wish exchanged old for new is not strong, therefore those are anti-safely
The shield higher Novel socket of grade is still difficult to large-scale promotion use in a short time.If big change is not done to existing socket
It is dynamic, but heavier-duty transformation is carried out by installing safety device additional, undoubtedly can by more it is simple it is more economical in a manner of promote the peace of socket
Full protection performance.The safety return circuit dress that the invention of Publication No. CN1812209A disclosed a kind of socket on 2nd in August in 2006
It puts, includes a housing, which is equipped with power supply slot, and two holes which there is charger plug to be inserted into are inserted
Slot is equipped with power cord on the housing, the circuit of conducting electric current is equipped between the power supply slot and the power cord, which includes
There are a bridging circuit and several touch-control circuits, which is set between two jack base, which has two inputs
End and two transmission end, the opposite both sides for being set on the respectively jack base of the input terminal and transmission end, two jack base not homonymy it is adjacent
Input terminal and transmission end between form conducting circuit；The touch-control circuit is set between two jack base and the bridging circuit, and
Touch-control is arranged in two input terminal, two transmission end.Above-mentioned safety socket really has the function of to prevent improper electric shock, but as above institute
It states, which provides a kind of totally different Novel socket in conventional jack of structure, and market acceptance can be made by user
With the influence of custom and product price.
Invention content
Existing majority socket secure barrier propterty is insufficient, there are the hidden danger got an electric shock in the case of improper electricity consumption, and replaces peace
The socket cost of good perfection is higher, to overcome this defect, can greatly promote old-fashioned socket secure the present invention provides one kind and prevent
Protect performance and external-added socket protection cover easy for installation.
The technical scheme is that：A kind of external-added socket protection cover, including protection cap matrix, further includes removable cover,
Removable cover is movably connected on protection cap matrix, and driving removable cover is equipped between removable cover and protection cap matrix and returns to origin position
Removable cover Self-resetting mechanism, protection cap matrix are equipped with the removable cover locking mechanism that removable cover can be made to keep origin position.This is outer
Add formula socket protection cover for one independently of socket component, original old-fashioned insert is mounted on by bonding or snap fit during use
On seat, since with removable cover Self-resetting mechanism and removable cover locking mechanism, removable cover can cover socket in its natural state
Slot, people can not directly be inserted into plug on socket without barrier, electricity be taken to have to release removable cover locking from the slot of socket
Locking of the mechanism to removable cover, and overcome the reset response of removable cover Self-resetting mechanism, this needs multiple steps that could complete, and
And people is difficult that both hands is allowed to have leisure, therefore increase plug-in difficulty namely improve security insurance coefficient during this.Child is such as
Fruit plays with plug, if conductive foreign matter is finally inserted into plug slot, needs to realize by multiple sequences, for cognition
Difficulty is very big for ability and the very weak child of coordination of body ability, therefore reduces the possibility of electric shock accidents generation.This
Existing old-fashioned socket can be transformed into protection in the case where not changing its internal electrical structure by external-added socket protection cover
The safety socket that performance greatly improves, i.e. user need to only buy an electric attachments and directly be mounted on existing insert by outer add mode
On seat, without original socket is integrally changed, under the huge present situation of old-fashioned socket ownership, seldom expense is spent with the present invention
With the safe class that can greatly promote socket, therefore with very practical meaning.
Preferably, removable cover locking mechanism is less than socket protective cap surface.Such structure setting purpose is to use finger
Removable cover locking mechanism cannot be directly touched, user must first use tool triggered activity lid locking mechanism when using socket
Locking of the removable cover locking mechanism to removable cover is released, so as to which the slot increased from socket takes the difficulty of electricity, is further improved
Security insurance coefficient.
Preferably, protection cap matrix include top panel, lower panel and outline border, top panel, lower panel it is parallel and with outside
Frame is connected, and the middle part of top panel and lower panel hollows out, and removable cover is slidably connected in the interlayer of top panel, lower panel.The party
In case, top panel, lower panel form the sliding slot for accommodating removable cover, and removable cover can slide in sliding slot, so as to provide a kind of slip
Formula removable cover covers the security protection mode of slot.
Preferably, the removable cover Self-resetting mechanism includes two springs for being respectively arranged on removable cover both sides, spring one
End is connected on the outline border vertical with removable cover sliding path, on other end connection removable cover.It is realized and lived using the elasticity of spring
The runback bit function of dynamic lid, it is simple in structure, it is easy to implement, it is of low cost.
Preferably, removable cover both ends are equipped with notch, gap opened direction is vertical with removable cover sliding path, side outline border
The cage knob placing groove that one end open is closed in one of one end is equipped with, the removable cover locking mechanism includes cage knob and cage knob compression spring,
Cage knob and cage knob compression spring are located in cage knob placing groove, and cage knob is adapted to and is slidably connected with cage knob placing groove, and cage knob compression spring is located at lock
Between the blind end and cage knob of button placing groove, cage knob is equipped with the protruding pin being adapted to notch, and removable cover and cage knob are simultaneously in original
During point position, protruding pin is inserted into notch.This protection cap depends on socket competence exertion safety protection function, in its natural state,
Removable cover can voluntarily be returned to origin position by the driving of removable cover Self-resetting mechanism, at this point, protruding pin pop-up is inserted into notch, be blocked
Removable cover is locked on origin position by removable cover, and when removable cover is rested on origin position, removable cover has sealed jack body
Slot, to take electricity from slot, it is necessary to which operant activity lid locking mechanism releases the locking to removable cover, then activity
Lid pushes the slot that could expose on socket open, and then is inserted into plug, therefore intrinsic safety full guard socket has multiple tracks safeguard procedures, and
Each measure is all linked with one another, it is necessary to which both hands are alternately accomplished multiple steps could release protection completely.It is above-mentioned tight reliable due to having
Safeguard structure, intrinsic safety full guard socket eliminates the hidden danger of accidental shock, if child plays with intrinsic safety full guard socket, only
In the unlock of removable cover locking mechanism, removable cover passage to normal use position, conductive material is inserted into the slot of socket while child connects
Electric shock accidents can just occur, and during this four conditions are realized in the case of this four full up foots of condition of tactile conductive material
Should follow procedures, and need both hands synchronous coordination, and for the very weak child of cognitive ability and muscle power, complete such
The possibility of complicated and very strong purpose behave is very little.Therefore it is greatly improved making for socket by installing this protection cap additional
Use safety.
As an alternative, window is equipped in the middle part of protection cap matrix, removable cover is hinged on protection cap matrix.Present solution provides
The protection cap of another working method, the removable cover in protection cap realize safeguard function by raising, being closed.
As an alternative, the removable cover Self-resetting mechanism includes torsional spring, and torsional spring is set on the hinge of removable cover and protection cap matrix
Meet place.The runback bit function of removable cover is realized using the elasticity of torsional spring, it is simple in structure, it is easy to implement, it is of low cost.
As an alternative, removable cover free end is equipped with cage knob hook, is set with the protection cap matrix side of removable cover free end cooperation
There is one of cage knob placing groove closed at both ends, the removable cover locking mechanism includes cage knob and cage knob compression spring, cage knob and cage knob pressure
Spring is located in cage knob placing groove, and cage knob is adapted to and is slidably connected with cage knob placing groove, and cage knob compression spring is located at the end of cage knob placing groove
Between wall and cage knob, cage knob is equipped with the hook-shaped buckle structure being adapted to cage knob hook, and removable cover and cage knob are simultaneously in origin position
When putting, cage knob interlocks with cage knob hook.In use, needing first to move cage knob, cage knob is made to be detached with cage knob hook, release cooperation, then
Cage knob is held on the other hand, the other hand starts removable cover and keeps opening, then hand-off by plug insertion outlet slots, and whole process needs
It wants multiple steps and both hands constantly alternately coordinates, increase plug-in difficulty, while improve security insurance coefficient so that unexpected to touch
The extremely difficult generation of electrification.
Preferably, protection cap base bottom is equipped with Elastic buckle.Existing socket is by socket main body and socket decoration
Plate forms, and socket decorative panel is by being connected on socket main body, and protection cap base bottom is also provided with and inserts in this protection cap
The corresponding Elastic buckle of seat main body block button hole, need to only remove the socket decorative panel of former socket, directly when installing this protection cap additional in this way
It connects and is substituted with this protection cap, it is not only easy for installation, and also connection is firm.
The beneficial effects of the invention are as follows：
The security performance of socket is greatly improved.The present invention is due to removable cover Self-resetting mechanism and removable cover locking machine
Structure, removable cover can cover the slot of socket in its natural state, and people can not directly be inserted into plug on socket without barrier, it is necessary to
Protection of the present invention to socket could be released, therefore improve socket secure safety factor by the action of multiple coherent cooperations.
Dependable performance, Innovation Input are less.The present invention is independent electrical attachment, directly can be clamped or stick in existing insert
On seat, any change is not made to the main body of existing socket, traditional reasonable socket internal structure by verification is obtained continuity
It uses, the performance of socket is not only enable to ensure in this way, and can greatly reduce input of the manufacturer in terms of research and development.
Simple in structure, manufacture is at low cost.The socket protected compared with high safety much is capable of providing although having had on the market,
It is more with material because its is complicated, therefore price is higher, so safety socket can not be popularized in an all-round way so far.And the present invention is only
It needs several springs and plastic article that can realize very high security performance, is conducive to the all-round popularization of safety socket.
It economizes on resources, reduces waste.Existing old-fashioned socket ownership is huge, and the present invention can cause existing socket very
Safety socket is easily transformed into, is bought again without changing, old-fashioned socket currently in use remains to continue to play a role.
Occupation mode is flexible.The present invention is convenient for disassembly and assembly, can be clever to the tendency of safety and ease of use according to user
Conversion living, when to security requirement bigger, the socket decorative panel on replaceable socket；During to ease of use demand bigger,
Still desirable lower socket protection cover, gains original socket decorative panel.
Description of the drawings
Fig. 1 is a kind of structure diagram of the present invention；
Fig. 2 is a kind of back view of the present invention；
Fig. 3 is schematic diagram when removable cover is in the unlocked state in the present invention；
Fig. 4 is a kind of cage knob structure diagram in the present invention；
Fig. 5 is a kind of working condition schematic top plan view when removable cover is unlocked in the present invention；
Fig. 6 is a kind of working condition schematic top plan view when removable cover is locked in the present invention；
Fig. 7 is that a kind of working condition when removable cover is unlocked in the present invention looks squarely schematic diagram；
Fig. 8 is that a kind of working condition when removable cover is locked in the present invention looks squarely schematic diagram；
Fig. 9 is another structure diagram of the present invention；
Figure 10 is a kind of structure diagram when the removable cover in the present invention is opened；
A kind of working state schematic representation when Figure 11 is the removable cover locking mechanism locking of the present invention in example 2；
A kind of working state schematic representation when Figure 12 is the removable cover locking mechanism unlock of the present invention in example 2；
Figure 13 is a kind of working state schematic representation when the removable cover of the present invention in example 2 is locked；
Figure 14 is a kind of working state schematic representation when the removable cover of the present invention in example 2 is unlocked；
Figure 15 is another cage knob structure diagram in the present invention；
Figure 16 is the structure diagram of the present invention in embodiment 3.
In figure, 1- protection cap matrixes, 2- removable covers, 3- top panels, 4- lower panels, 5- outline borders, 6- notches, 7- cage knobs, 8-
Cage knob compression spring, 9- cage knob placing grooves, 10- protruding pins, 11- tool receptacles, 12- windows, 13- torsional springs, 14- cage knob hooks, 15- steps,
16- extends end plates, 17- Elastic buckles, 18- springs, 19- screw fixed ear bases.
Specific embodiment
The invention will be further described for specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1：
As shown in Figures 1 to 8, a kind of external-added socket protection cover including rectangular protection cap matrix 1, further includes work
Dynamic lid 2, removable cover 2 are slidably connected on protection cap matrix 1, and protection cap matrix 1 includes top panel 3, lower panel 4 and outline border 5, on
Panel 3, lower panel 4 are parallel and are connected with outline border 5, and the middle part of top panel 3 and lower panel 4 hollows out, and removable cover 2 is slidably connected
Top panel 3, lower panel 4 interlayer in.Driving removable cover 2 is equipped between removable cover 2 and protection cap matrix 1 and returns to origin position
Removable cover Self-resetting mechanism, removable cover Self-resetting mechanism include two springs 18 for being respectively arranged on 2 both sides of removable cover, and spring 18 is
Compression spring.Notch 6 is equipped in the middle part of 2 both ends of removable cover, 6 opening direction of notch is vertical with 2 sliding path of removable cover, more than 6 notch
The sliding slot slot bottom that 2 end face of removable cover is formed with top panel 3, lower panel 4 is affixed, and also one on 2 end face of removable cover of more than 6 notch
Extension end plates 16 are equipped with to body, extension end plates 16 exceed the leading edge of removable cover 2, when removable cover 2 is in origin, extend end face
16 free end of plate can not just touch forepart outline border 5, and notch 6 slightly descends 2 end face of removable cover of position to be equipped with one of step 15 so that platform
There are gaps, spring 18 between the sliding slot slot bottom that 2 end face of removable cover and top panel 3 of the rank below 15, lower panel 4 are formed just to be set to
In the gap, 18 1 sections of spring is connected on the outline border 5 vertical with 2 sliding path of removable cover, and the other end is connected on removable cover 2
15 terrace of step on.Side outline border 5 is equipped with the cage knob placing groove 9 that one end open is closed in one one end, on protection cap matrix 1
Equipped with the removable cover locking mechanism that removable cover 2 can be made to keep origin position, which includes cage knob 7 and cage knob pressure
Spring 8, cage knob 7 and cage knob compression spring 8 are located in cage knob placing groove 9, and cage knob 7 is not exposed at the top of placing groove, and cage knob 7 is placed with cage knob
Slot 9 is adapted to and is slidably connected, and cage knob compression spring 8 is located between the blind end of cage knob placing groove 9 and cage knob 7, and cage knob 7 is equipped with lacking
When the protruding pins 10 of 6 adaptation of mouth, removable cover 2 and cage knob 7 are in origin position simultaneously, protruding pin 10 is inserted into notch 6.Removable cover 2 is
When making to slide into extreme position, extension end plates 16 still block protruding pin 10.Cage knob 7 is equipped with tool receptacle 11,11 ruler of tool receptacle
Very little and plug base pin adjoining dimensions.1 bottom of protection cap matrix is equipped with Elastic buckle 17, and 17 number of Elastic buckle is four, and cloth
Office is corresponding with four block button holes on the socket main body of common outlets, and the size of protection cap matrix 1 is also according to available on the market
The dimensioned of common outlets, it is ensured that protection cap matrix 1 can be matched with socket, and when use takes the socket decorative panel of former socket
Under, and the Elastic buckle 17 of protection cap matrix 1 is inserted into socket main body block button hole and substitutes former socket decorative panel.
In its natural state, under the driving of spring 18, removable cover 2 slides into the center of protection cap matrix 1, just blocks slotting
The slot of seat, at this point, notch 6 is just concordant with the sliding path of cage knob 7, cage knob 7 is also by cage knob under the promotion of cage knob compression spring 8
Protruding pin 10 on 7 is pushed into the notch 6 on removable cover 2, and at this moment removable cover 2 is locked.Plug-in is such as wanted, using plug slice or is put down
Mouth screwdriver is inserted into the tool receptacle 11 on cage knob 7, then is elapsed to side, and compression cage knob compression spring 8, protruding pin 10 removes notch 6,
The locking of removable cover 2 is released from, and is moved in the sliding slot that removable cover 2 can be formed along top panel 3, lower panel 4 at this time, first inverse
It 18 thrust of spring and slightly moves removable cover 2 a little, notch 6 is made to misplace with protruding pin 10, since more than 6 notch is tied again without prominent
Structure, therefore notch 6, once misplacing with protruding pin 10, cage knob 7 fails to the locking effect of removable cover 2, and hereafter can let go cage knob 7,
Then go to take plug, removable cover 2 is continued to move to, is completely exposed the slot of socket, then holding removable cover 2 prevents from springing back, just
Plug can be inserted into slot and take electricity.
Embodiment 2：
As shown in Fig. 9 to Figure 15,1 middle part of protection cap matrix is equipped with window 12, and removable cover 2 is hinged on protection cap matrix 1.
The removable cover Self-resetting mechanism includes torsional spring 13, and torsional spring 13 is set on the hinged place of removable cover 2 and protection cap matrix 1, removable cover 2
Free end is equipped with cage knob hook 14, and the slot box of a protrusion, slot box are equipped with 1 side of protection cap matrix of 2 free end of removable cover cooperation
In be equipped with one of cage knob placing groove 9 closed at both ends, the removable cover locking mechanism include cage knob 7 and cage knob compression spring 8, cage knob 7
It is located in cage knob placing groove 9 with cage knob compression spring 8, cage knob 7 is not exposed at the top of placing groove, and cage knob 7 is adapted to simultaneously with cage knob placing groove 9
It is slidably connected, cage knob compression spring 8 is located between the end wall of cage knob placing groove 9 and cage knob 7, and cage knob 7 is equipped with and is adapted to cage knob hook 14
Hook-shaped buckle structure, removable cover 2 and cage knob 7 simultaneously in origin position when, cage knob 7 interlocks with cage knob hook 14.Remaining is the same as real
Apply example 1.
Under natural conditions, removable cover 2 is closed under removable cover Self-resetting mechanism effect, in use, with protection cap base
Body 1 replaces the socket decorative panel on socket, and the slot of socket is exposed in window 12, first moves cage knob 7, make cage knob 7 and cage knob hook
14 misplace and separation of breaking off relations, and release the cooperation between the two, then holding on cage knob 7 on the other hand prevents from springing back, and the other hand starts activity
Lid 2 simultaneously keeps opening, then hand-off by plug insertion outlet slots.
Embodiment 3：
As shown in figure 16, protection cap matrix 1 does not set Elastic buckle, but sets screw fixed ear base 19, in socket main body
It is fixed during upper installation by screw.Remaining is the same as embodiment 2.
Embodiment 4：
Protection cap matrix 1 does not set Elastic buckle, but directly Nian Jie with socket with viscose glue.Remaining is the same as embodiment 1.
Claims (4)
1. a kind of external-added socket protection cover, including protection cap matrix（1）, it is characterized in that further including removable cover（2）, removable cover
（2）It is movably connected in protection cap matrix（1）On, removable cover（2）With protection cap matrix（1）Between be equipped with driving removable cover（2）It returns to
The removable cover Self-resetting mechanism of origin position, protection cap matrix（1）Removable cover can be made by being equipped with（2）Keep the activity of origin position
Lid locking mechanism, protection cap matrix（1）Including top panel（3）, lower panel（4）And outline border（5）, top panel（3）, lower panel（4）
It is parallel and and outline border（5）It is connected, top panel（3）And lower panel（4）Middle part hollow out, removable cover（2）It is slidably connected at
Panel（3）, lower panel（4）Interlayer in, the removable cover Self-resetting mechanism is respectively arranged on removable cover including two（2）Both sides
Spring（18), spring（18) one end is connected to and removable cover（2）The vertical outline border of sliding path（5）On, the other end is connected to work
Dynamic lid（2）On.
2. external-added socket protection cover according to claim 1, it is characterized in that removable cover locking mechanism is less than socket protective
Cap surface.
3. external-added socket protection cover according to claim 1, it is characterized in that removable cover（2）Both ends are equipped with notch（6）, lack
Mouthful（6）Opening direction and removable cover（2）Sliding path is vertical, side outline border（5）It is equipped with one of one end and closes one end open
Cage knob placing groove（9）, the removable cover locking mechanism include cage knob（7）With cage knob compression spring（8）, cage knob（7）With cage knob compression spring（8）
Positioned at cage knob placing groove（9）In, cage knob（7）With cage knob placing groove（9）It is adapted to and is slidably connected, cage knob compression spring（8）Positioned at cage knob
Placing groove（9）Blind end and cage knob（7）Between, cage knob（7）It is equipped with and notch（6）The protruding pin of adaptation（10）, removable cover（2）
And cage knob（7）When simultaneously in origin position, protruding pin（10）It is inserted into notch（6）In.
4. external-added socket protection cover according to any one of claim 1 to 3, it is characterized in that protection cap matrix（1）Bottom
Portion is equipped with Elastic buckle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510377631.XA CN105119083B (en) | 2015-06-29 | 2015-06-29 | A kind of external-added socket protection cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510377631.XA CN105119083B (en) | 2015-06-29 | 2015-06-29 | A kind of external-added socket protection cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105119083A CN105119083A (en) | 2015-12-02 |
| CN105119083B true CN105119083B (en) | 2018-06-22 |
Family
ID=54667011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510377631.XA Expired - Fee Related CN105119083B (en) | 2015-06-29 | 2015-06-29 | A kind of external-added socket protection cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105119083B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109524886A (en) * | 2018-11-23 | 2019-03-26 | 黎庆有 | A kind of electric power electric switchgear emergency opening press button protecting device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2149028Y (en) * | 1993-01-07 | 1993-12-08 | 敖谦平 | Safety electric outlet |
| CN2583831Y (en) * | 2002-11-05 | 2003-10-29 | 王明山 | Socket with movable protective chip locking device |
| CN204885568U (en) * | 2015-06-29 | 2015-12-16 | 孙立峰 | Plus formula socket visor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI482369B (en) * | 2012-11-13 | 2015-04-21 | Askey Computer Corp | Power socket and safety gate mechanism thereof |
| CN103354312A (en) * | 2013-06-24 | 2013-10-16 | 吴江市利达上光制品有限公司 | Socket protective cover |
-
2015
- 2015-06-29 CN CN201510377631.XA patent/CN105119083B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2149028Y (en) * | 1993-01-07 | 1993-12-08 | 敖谦平 | Safety electric outlet |
| CN2583831Y (en) * | 2002-11-05 | 2003-10-29 | 王明山 | Socket with movable protective chip locking device |
| CN204885568U (en) * | 2015-06-29 | 2015-12-16 | 孙立峰 | Plus formula socket visor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105119083A (en) | 2015-12-02 |
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