CN105119083A - External socket protection cover - Google Patents
External socket protection cover Download PDFInfo
- Publication number
- CN105119083A CN105119083A CN201510377631.XA CN201510377631A CN105119083A CN 105119083 A CN105119083 A CN 105119083A CN 201510377631 A CN201510377631 A CN 201510377631A CN 105119083 A CN105119083 A CN 105119083A
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- Prior art keywords
- cage knob
- removable cover
- over cap
- socket
- standing groove
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Abstract
The invention discloses an external socket protection cover. The external socket protection cover comprises a protection cover base body, and also comprises a movable cover. The movable cover is movably connected with the protection cover base body. A movable cover self-reset mechanism driving the movable cover to return to an origin position is arranged between the movable cover and the protection cover base body. A movable cover locking mechanism keeping the movable cover in the origin position is arranged on the protection cover base body. The external socket protection cover can raise the socket safety performance greatly, and has advantages of reliable performances, low development investment, simple structure, low manufacturing cost, resource saving, waste reduction, flexible usage mode and the like.
Description
Technical field
The present invention relates to a kind of electrical connection, more particularly, it relates to a kind of external-added socket protection cover.
Background technology
Socket is contemporary work and electric device indispensable in living, and can take electric energy easily and safely by socket in various electricity consumption place for people from utility network.But the most security protection performance of socket common is at present lower, very big potential safety hazard is there is for the children of absolute ignorance in Electrical Safety, insert outlet slots once the hand-held conducting objects of children and just electric shock accidents may occur, and along with the development of society, child has increasing chance to contact new things, its intellectual development constantly accelerates, and seems the things of complicated safety, become no longer safe before a lot.How carrying out structural improvement to conventional socket, thus develop and not easily outwards transmit electricity in improper electricity consumption situation, and surmount the socket that present child's human-subject test makes child's electric shock accidents probability of happening greatly reduce, is a problem urgently to be resolved hurrily.Also much known innovative technology is had maybe will to be applied at present, improve or be expected to improve the safety in utilization of socket, but current old-fashioned socket recoverable amount is huge, and the user of most of old-fashioned socket thinks that old product still may be used, if the new product that integral replacing becomes fail safe higher, not only bother, and need certain cost, the wish of therefore exchanging old for new is not strong, and the Novel socket that therefore those class of safety protection are higher is still difficult to large-scale promotion in a short time and uses.If do not do large change to existing socket, but carrying out heavier-duty transformation by installing safety device additional, the security protection performance of socket can be promoted undoubtedly in more simply more economical mode.Publication number is the invention of CN1812209A discloses a kind of socket safety return circuit device on August 2nd, 2006, it includes a housing, this housing is provided with power supply slot, this power supply slot has the two hole slots that charger plug inserts, this housing is equipped with power line, the loop of On current is provided with between this power supply slot and this power line, this loop includes a cross-over connection loop and some touch-control loops, this cross-over connection loop is located between this two jack base, this cross-over connection loop has two inputs and two transmission ends, this input and transmission ends are located at the both sides of respectively this jack base relatively, this two jack base does not form conducting loop between the adjacent input of homonymy and transmission ends, this touch-control loop is located between this two jack base and this cross-over connection loop, and touch-control is arranged in this two input, two transmission ends.Above-mentioned safety socket really has the function preventing improper electric shock, but as mentioned above, it is totally different in the Novel socket of conventional jack that this invention provides a kind of structure, and its market acceptance can be subject to the use habit of user and the impact of product price.
Summary of the invention
Existing most socket secure barrier propterty is not enough; the hidden danger of getting an electric shock under there is improper electricity consumption situation; and the socket cost changing fail safe good is higher; for overcoming this defect, the invention provides and a kind ofly greatly can promote old-fashioned socket secure barrier propterty and external-added socket protection cover easy for installation.
Technical scheme of the present invention is: a kind of external-added socket protection cover; comprise over cap matrix; also comprise removable cover; removable cover is movably connected on over cap matrix; be provided with the removable cover Self-resetting mechanism driving removable cover to get back to origin position between removable cover and over cap matrix, over cap matrix is provided with the removable cover locking mechanism that removable cover can be made to keep origin position.This external-added socket protection cover is one independent of the parts of socket, be arranged on original old-fashioned socket by bonding or snap fit during use, owing to having removable cover Self-resetting mechanism and removable cover locking mechanism, removable cover can cover the slot of socket in its natural state, people directly cannot insert plug without barrier on socket, the locking of removable cover locking mechanism to removable cover must be removed from the slot power taking of socket, and overcome the reset response of removable cover Self-resetting mechanism, this needs multiple step just can complete, and people is difficult to allow both hands have leisure in this process, therefore plug-in difficulty is increased, also namely improve security insurance coefficient.If child plays with plug, if conduction foreign matter is finally inserted plug slot, need could be realized by multiple sequence, for cognitive ability and all very weak child of coordination of body ability, difficulty is very big, because this reducing the possibility of electric shock accidents generation.Existing old-fashioned socket can be transformed into the safety socket that barrier propterty improves greatly by this external-added socket protection cover when not changing its internal electrical structure; namely user only need buy an electrical accessory and is directly arranged on existing socket by outer add mode; without the need to original socket entirety is changed; under the present situation that old-fashioned socket recoverable amount is huge; spend little expense just greatly can promote the safe class of socket with the present invention, therefore there is very actual meaning.
As preferably, removable cover locking mechanism is lower than socket protective cap surface.Vibrational power flow object like this is can not directly touch removable cover locking mechanism with finger, user must first use instrument triggered activity cover lock to determine mechanism releases removable cover locking mechanism to the locking of removable cover when using socket, thus increase the difficulty of the slot power taking from socket, further increase security insurance coefficient.
As preferably, over cap matrix comprises top panel, lower panel and housing, and top panel, lower panel are parallel and be all connected with housing, and the middle part of top panel and lower panel all hollows out, and removable cover is slidably connected in the interlayer of top panel, lower panel.In the program, top panel, lower panel form the chute holding removable cover, and removable cover can slide in chute, thus provides a kind of slidingtype removable cover to cover the security protection mode of slot.
As preferably, described removable cover Self-resetting mechanism comprises the spring that two are located at removable cover both sides respectively, and spring one end is connected on the housing vertical with removable cover sliding path, and the other end connects on removable cover.Utilize the elasticity of spring to realize the Self-resetting function of removable cover, structure is simple, easily realizes, with low cost.
As preferably, removable cover two ends are provided with breach, gap opened direction is vertical with removable cover sliding path, side housing is provided with one one end and closes the open cage knob standing groove in one end, described removable cover locking mechanism comprises cage knob and cage knob stage clip, cage knob and cage knob stage clip are arranged in cage knob standing groove, cage knob and cage knob standing groove are adaptive and be slidably connected, cage knob stage clip is between the blind end and cage knob of cage knob standing groove, cage knob is provided with the protruding pin with breach adaptation, when removable cover and cage knob are in origin position simultaneously, protruding pin inserts in breach.This over cap depends on socket competence exertion safety protection function, in its natural state, removable cover can get back to origin position voluntarily by the driving of removable cover Self-resetting mechanism, now, protruding pin ejects and inserts in breach, block removable cover, removable cover is locked on origin position, when removable cover rests on origin position, removable cover has sealed the slot of jack body, to from slot power taking, necessary operant activity lid locking mechanism, remove the locking to removable cover, then removable cover to be pushed open the slot that just can expose on socket, and then insertion plug, therefore safety protection socket has multiple tracks safeguard procedures, and each measure is all linked with one another, alternately must complete multiple step and could remove protection completely by both hands.Owing to possessing above-mentioned tight safeguard structure reliably, safety protection socket eliminates the hidden danger of accidental shock, if child plays with safety protection socket, only unlock at removable cover locking mechanism, removable cover passes normal use location, conducting objects inserts the slot of socket, simultaneously child contact these four conditions of conducting objects full up sufficient when just can there is electric shock accidents, and should follow procedures in the process realizing these four conditions, need again both hands synchronous coordination, and for cognitive ability and physical all very weak child, complete possibility that is so complicated and the behave that purpose is very strong very little.Therefore the safety in utilization of socket greatly can be improved by installing this over cap additional.
As an alternative, be provided with window in the middle part of over cap matrix, removable cover is hinged on over cap matrix.Present solution provides the over cap of another kind of working method, the removable cover on over cap realizes safeguard function by raising, closing.
As an alternative, described removable cover Self-resetting mechanism comprises torsion spring, and torsion spring is located at the hinged place of removable cover and over cap matrix.Utilize the elasticity of torsion spring to realize the Self-resetting function of removable cover, structure is simple, easily realizes, with low cost.
As an alternative; removable cover free end is provided with cage knob hook; the cage knob standing groove of closed at both ends together with being provided with the over cap matrix side that removable cover free end coordinates; described removable cover locking mechanism comprises cage knob and cage knob stage clip; cage knob and cage knob stage clip are arranged in cage knob standing groove; cage knob and cage knob standing groove are adaptive and be slidably connected; cage knob stage clip is between the end wall and cage knob of cage knob standing groove; cage knob is provided with the hook-shaped buckle structure with cage knob hook adaptation; when removable cover and cage knob are in origin position simultaneously, cage knob and cage knob hook interlock.During use, need first to move cage knob, cage knob is separated with cage knob hook, removes and coordinate, then hold on cage knob on the other hand, another hand starts removable cover and keeps opening, change hand-held plug insertion socket slot again, the multiple step of whole process need and both hands constantly alternately coordinate, and increase plug-in difficulty, improve security insurance coefficient simultaneously, make the extremely difficult generation of accidental shock accident.
As preferably, over cap base bottom is provided with Elastic buckle.Existing socket is made up of socket main body and socket decorative panel; socket decorative panel is connected on socket main body by buckle; in this over cap, over cap base bottom also arranges the Elastic buckle corresponding with socket main body block button hole; only the socket decorative panel of former socket need be taken off when installing this over cap like this additional; directly substitute with this over cap; not only easy for installation, and connect firm.
The invention has the beneficial effects as follows:
The security performance of very big raising socket.The present invention is owing to having removable cover Self-resetting mechanism and removable cover locking mechanism; removable cover can cover the slot of socket in its natural state; people directly cannot insert plug without barrier on socket; must could remove the protection of the present invention to socket by the action of multiple coherent cooperation, therefore improve socket secure safety factor.
Dependable performance, Innovation Input is less.The present invention is independent electrical annex, can directly clamping or stick on existing socket, any change is not made to the main body of existing socket, traditional reasonable socket internal structure through checking is obtained continuity and uses, so not only make the performance of socket be ensured, and greatly can reduce the input of manufacturer in research and development.
Structure is simple, low cost of manufacture.Although there has been the socket that much can provide higher safeguard protection on the market, because its complex structure, more with material, therefore price is higher, so safety socket cannot be popularized in an all-round way so far.And the present invention only needs several springs and working of plastics just can realize very high security performance, be conducive to the all-round popularization of safety socket.
Economize on resources, cut the waste.Existing old-fashioned socket recoverable amount is huge, and the present invention can make existing socket be transformed into safety socket easily, and does not need to change and again buy, and the old-fashioned socket used still can continue to play a role.
Occupation mode is flexible.Easy accessibility of the present invention, can according to user to the tendency of fail safe and ease of use and flexible conversion, when larger to security requirement, and the socket decorative panel on replaceable socket; Time larger to easy-to-use sexual demand, still can take off socket protection cover, gain original socket decorative panel.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is a kind of back of the present invention view;
Fig. 3 is schematic diagram when removable cover is in released state in the present invention;
Fig. 4 is a kind of cage knob structural representation in the present invention;
Fig. 5 is a kind of operating state schematic top plan view when removable cover is unlocked in the present invention;
Fig. 6 is a kind of operating state schematic top plan view when removable cover is locked in the present invention;
Fig. 7 is that a kind of operating state when removable cover is unlocked in the present invention looks squarely schematic diagram;
Fig. 8 is that a kind of operating state when removable cover is locked in the present invention looks squarely schematic diagram;
Fig. 9 is another kind of structural representation of the present invention;
Figure 10 is a kind of structural representation of the removable cover in the present invention when opening;
Figure 11 be the present invention in example 2 removable cover locking mechanism locking time a kind of working state schematic representation;
Figure 12 is a kind of working state schematic representation of the present invention's removable cover locking mechanism in example 2 when unlocking;
Figure 13 is a kind of working state schematic representation of the present invention's removable cover in example 2 when being locked;
Figure 14 is a kind of working state schematic representation of the present invention's removable cover in example 2 when being unlocked;
Figure 15 is the another kind of cage knob structural representation in the present invention;
Figure 16 is the present invention's structural representation in embodiment 3.
In figure, 1-over cap matrix, 2-removable cover, 3-top panel; 4-lower panel, 5-housing, 6-breach, 7-cage knob; 8-cage knob stage clip, 9-cage knob standing groove, 10-protruding pin; 11-tool receptacle, 12-window, 13-torsion spring; 14-cage knob hook, 15-step, 16-elongated end panel; 17-Elastic buckle, 18-spring, 19-screw fixed ear base.
Embodiment
Below in conjunction with accompanying drawing specific embodiment, the invention will be further described.
Embodiment 1:
As shown in Figures 1 to 8; a kind of external-added socket protection cover; comprise rectangular over cap matrix 1; also comprise removable cover 2; removable cover 2 is slidably connected on over cap matrix 1, and over cap matrix 1 comprises top panel 3, lower panel 4 and housing 5, and top panel 3, lower panel 4 are parallel and be all connected with housing 5; the middle part of top panel 3 and lower panel 4 all hollows out, and removable cover 2 is slidably connected in the interlayer of top panel 3, lower panel 4.Be provided with the removable cover Self-resetting mechanism driving removable cover 2 to get back to origin position between removable cover 2 and over cap matrix 1, removable cover Self-resetting mechanism comprises the spring 18 that two are located at removable cover 2 both sides respectively, and spring 18 is stage clip.Removable cover 2 is provided with breach 6 in the middle part of two ends, breach 6 opening direction is vertical with removable cover 2 sliding path, removable cover 2 end face of breach more than 6 and top panel 3, the chute bottom land that lower panel 4 is formed is affixed, and removable cover 2 end face of breach more than 6 is also provided with elongated end panel 16 integratedly, elongated end panel 16 exceeds the leading edge of removable cover 2, when removable cover 2 is in initial point, elongated end panel 16 free end just can not touch anterior housing 5, removable cover 2 end face of breach 6 slightly upper/lower positions is provided with one step 15, make removable cover 2 end face and the top panel 3 of step less than 15, space is left between the chute bottom land that lower panel 4 is formed, spring 18 is just arranged in this space, 18 1 sections, spring is connected on the housing 5 vertical with removable cover 2 sliding path, the other end is connected on step 15 terrace on removable cover 2.Side housing 5 is provided with one one end and closes the open cage knob standing groove 9 in one end, over cap matrix 1 is provided with the removable cover locking mechanism that removable cover 2 can be made to keep origin position, this removable cover locking mechanism comprises cage knob 7 and cage knob stage clip 8, cage knob 7 and cage knob stage clip 8 are arranged in cage knob standing groove 9, cage knob 7 does not expose to standing groove top, cage knob 7 is adaptive and be slidably connected with cage knob standing groove 9, cage knob stage clip 8 is between the blind end and cage knob 7 of cage knob standing groove 9, cage knob 7 is provided with the protruding pin 10 with breach 6 adaptation, when removable cover 2 and cage knob 7 are in origin position simultaneously, protruding pin 10 inserts in breach 6.Even if when removable cover 2 slides into extreme position, elongated end panel 16 still blocks protruding pin 10.Cage knob 7 is provided with tool receptacle 11, tool receptacle 11 size and plug base pin adjoining dimensions.Elastic buckle 17 is provided with bottom over cap matrix 1; Elastic buckle 17 number is four; and layout is corresponding with the block button hole of four on the socket main body of common outlets; the size of over cap matrix 1 is also according to the dimensioned of the common outlets that market is sold; guarantee that over cap matrix 1 can mate with socket; during use, the socket decorative panel of former socket is taken off, and the Elastic buckle 17 of over cap matrix 1 is inserted alternative former socket decorative panel in socket main body block button hole.
In its natural state; under spring 18 drives; removable cover 2 slides into the central authorities of over cap matrix 1; just in time block the slot of socket; now; breach 6 is just in time concordant with the sliding path of cage knob 7, and the protruding pin 10 on cage knob 7 also pushes in the breach 6 on removable cover 2 by cage knob 7 under the promotion of cage knob stage clip 8, and at this moment removable cover 2 is locked.As wanted plug-in, plug slice or flat mouth screwdriver is used to insert in the tool receptacle 11 on cage knob 7, pass to side again, compression cage knob stage clip 8, protruding pin 10 shifts out breach 6, the locking of removable cover 2 is removed, now removable cover 2 just can along top panel 3, move in the chute that lower panel 4 is formed, first move removable cover 2 a little against spring 18 thrust a little, breach 6 and protruding pin 10 are misplaced, because breach more than 6 is again without outstanding structure, therefore breach 6 is once misplace with protruding pin 10, the locking action of cage knob 7 pairs of removable covers 2 lost efficacy, after this can to let go cage knob 7, then go to take plug, continue mobile removable cover 2, the slot of socket is exposed completely, then hold removable cover 2 and prevent resilience, just plug can be inserted slot power taking.
Embodiment 2:
As shown in Fig. 9 to Figure 15, be provided with window 12 in the middle part of over cap matrix 1, removable cover 2 is hinged on over cap matrix 1.Described removable cover Self-resetting mechanism comprises torsion spring 13, torsion spring 13 is located at the hinged place of removable cover 2 and over cap matrix 1, removable cover 2 free end is provided with cage knob hook 14, over cap matrix 1 side coordinated with removable cover 2 free end is provided with the groove box of a projection, the cage knob standing groove 9 of one closed at both ends is provided with in groove box, described removable cover locking mechanism comprises cage knob 7 and cage knob stage clip 8, cage knob 7 and cage knob stage clip 8 are arranged in cage knob standing groove 9, cage knob 7 does not expose to standing groove top, cage knob 7 is adaptive and be slidably connected with cage knob standing groove 9, cage knob stage clip 8 is between the end wall and cage knob 7 of cage knob standing groove 9, cage knob 7 is provided with the hook-shaped buckle structure with cage knob hook 14 adaptation, when removable cover 2 and cage knob 7 are in origin position simultaneously, cage knob 7 and cage knob hook 14 interlock.All the other are with embodiment 1.
Under nature; removable cover 2 is closed under the effect of described removable cover Self-resetting mechanism; during use, replace the socket decorative panel on socket with over cap matrix 1, the slot of socket is exposed in window 12; first move cage knob 7; cage knob 7 is misplaced with cage knob hook 14 and breaks off relations and be separated, the cooperation between both releasings, then holding on cage knob 7 prevents resilience on the other hand; another hand starts removable cover 2 and keeps opening, then changes hand-held plug insertion socket slot.
Embodiment 3:
As shown in figure 16, over cap matrix 1 does not establish Elastic buckle, but arranges screw fixed ear base 17, is fixed when socket main body is installed by screw.All the other are with embodiment 2.
Embodiment 4:
Over cap matrix 1 does not establish Elastic buckle, but directly bonding with socket with viscose glue.All the other are with embodiment 1.
Claims (9)
1. an external-added socket protection cover; comprise over cap matrix (1); it is characterized in that also comprising removable cover (2); removable cover (2) is movably connected on over cap matrix (1); be provided with the removable cover Self-resetting mechanism driving removable cover (2) to get back to origin position between removable cover (2) and over cap matrix (1), over cap matrix (1) is provided with the removable cover locking mechanism that removable cover (2) can be made to keep origin position.
2. external-added socket protection cover according to claim 1, is characterized in that removable cover locking mechanism is lower than socket protective cap surface.
3. external-added socket protection cover according to claim 1; it is characterized in that over cap matrix (1) comprises top panel (3), lower panel (4) and housing (5); top panel (3), lower panel (4) are parallel and be all connected with housing (5); the middle part of top panel (3) and lower panel (4) all hollows out, and removable cover (2) is slidably connected in the interlayer of top panel (3), lower panel (4).
4. external-added socket protection cover according to claim 3; it is characterized in that described removable cover Self-resetting mechanism comprises the spring (18) that two are located at removable cover (2) both sides respectively; spring (18) one end is connected on the housing (5) vertical with removable cover (2) sliding path, and the other end is connected on removable cover (2).
5. external-added socket protection cover according to claim 3, it is characterized in that removable cover (2) two ends are provided with breach (6), breach (6) opening direction is vertical with removable cover (2) sliding path, side housing (5) is provided with one one end and closes the open cage knob standing groove (9) in one end, described removable cover locking mechanism comprises cage knob (7) and cage knob stage clip (8), cage knob (7) and cage knob stage clip (8) are arranged in cage knob standing groove (9), cage knob (7) and cage knob standing groove (9) are adaptive and be slidably connected, cage knob stage clip (8) is positioned between the blind end of cage knob standing groove (9) and cage knob (7), cage knob (7) is provided with the protruding pin (10) adaptive with breach (6), when removable cover (2) and cage knob (7) are in origin position simultaneously, protruding pin (10) inserts in breach (6).
6. external-added socket protection cover according to claim 1, it is characterized in that over cap matrix (1) middle part is provided with window (12), removable cover (2) is hinged on over cap matrix (1).
7. external-added socket protection cover according to claim 6, is characterized in that described removable cover Self-resetting mechanism comprises torsion spring (13), and torsion spring (13) is located at the hinged place of removable cover (2) and over cap matrix (1).
8. external-added socket protection cover according to claim 7, it is characterized in that removable cover (2) free end is provided with cage knob hook (14), the cage knob standing groove (9) of closed at both ends together with being provided with over cap matrix (1) side that removable cover (2) free end coordinates, described removable cover locking mechanism comprises cage knob (7) and cage knob stage clip (8), cage knob (7) and cage knob stage clip (8) are arranged in cage knob standing groove (9), cage knob (7) and cage knob standing groove (9) are adaptive and be slidably connected, cage knob stage clip (8) is positioned between the end wall of cage knob standing groove (9) and cage knob (7), cage knob (7) is provided with the hook-shaped buckle structure adaptive with cage knob hook (14), when removable cover (2) and cage knob (7) are in origin position simultaneously, cage knob (7) and cage knob hook (14) interlock.
9. external-added socket protection cover according to any one of claim 1 to 8, is characterized in that over cap matrix (1) bottom is provided 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 true CN105119083A (en) | 2015-12-02 |
| CN105119083B 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) |
Cited By (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 (5)
| 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 |
| CN103354312A (en) * | 2013-06-24 | 2013-10-16 | 吴江市利达上光制品有限公司 | Socket protective cover |
| US20140134860A1 (en) * | 2012-11-13 | 2014-05-15 | Askey Computer Corp. | Power socket and safety gate mechanism thereof |
| CN204885568U (en) * | 2015-06-29 | 2015-12-16 | 孙立峰 | Plus formula socket visor |
-
2015
- 2015-06-29 CN CN201510377631.XA patent/CN105119083B/en not_active Expired - Fee Related
Patent Citations (5)
| 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 |
| US20140134860A1 (en) * | 2012-11-13 | 2014-05-15 | 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 |
| CN204885568U (en) * | 2015-06-29 | 2015-12-16 | 孙立峰 | Plus formula socket visor |
Cited By (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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105119083B (en) | 2018-06-22 |
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Granted publication date: 20180622 Termination date: 20210629 |