CN203674451U - Five-jack socket protection door structure - Google Patents
Five-jack socket protection door structure Download PDFInfo
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- CN203674451U CN203674451U CN201320846933.3U CN201320846933U CN203674451U CN 203674451 U CN203674451 U CN 203674451U CN 201320846933 U CN201320846933 U CN 201320846933U CN 203674451 U CN203674451 U CN 203674451U
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- pole socket
- shutter
- pressing plate
- double
- pole
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- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 19
- 230000000694 effects Effects 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 5
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000008034 disappearance Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model relates to a five-jack socket protection door structure. The five-jack socket protection door structure comprises a pressing plate, a dual-pole socket protection door and a three-pole socket protection door, wherein the dual-pole socket protection door and the three-pole socket protection door are located at the middle part of the upper side of the pressing plate and connected together through a reset spring, each of the pressing plate and the dual-pole socket protection door is provided with an earth pole jack corresponding to an earth pole plug bush of a three-pole plug bush, the three-pole socket protection door is provided with a three-pole socket protection door opening inclined plane, the middle part of the three-pole socket protection door is provided with a driving arm located above the earth pole jack, the three-pole socket protection door opening inclined plane is only arranged at a part of the earth pole plug bush in the three-pole plug bush corresponding to the driving arm. The five-jack socket protection door structure provided by the utility model shares the reset spring, prevents single-pole opening, does not have a defect that no earth pole can be inserted, does not have a defect of simultaneous opening, and solves a problem that an existing five-jack socket protection door cannot have the advantages of abilities of sharing the reset spring, preventing single-pole opening, not having the defect that no earth pole can be inserted, not having the defect of simultaneous opening, and the like.
Description
Technical field
The utility model relates to socket protective door module, relates in particular to a kind of five spring hole scoket shutter structures.
Background technology
Shutter in socket is also emergency exit, is usually said safety socket with the socket of shutter.The sleeve top of safety socket is provided with insulator, when use, need to plug could be inserted by larger power, plug automatically resets to gear above sleeve at the effect insulator of back-moving spring after extracting, and makes object can not be strayed into sleeve, thereby plays the effect that prevents electric shock.The safety socket that meets national requirements must have anti-one pole and insert function, no matter be double-pole socket (being only provided with the socket of L utmost point sleeve and N utmost point sleeve) or three pole sockets (being provided with the socket of L utmost point sleeve, N utmost point sleeve and E utmost point sleeve (claiming again earth polar sleeve)), when object when only the one the two is inserted from the jack of corresponding L utmost point sleeve and the jack of corresponding N utmost point sleeve, emergency exit can not be unlocked.
Five spring hole scokets (claim again Universal Socket, the jack with three pole sockets and double-pole socket and double-pole socket is distributed in the socket of the jack both sides, earth polar of three pole sockets).The shutter being arranged in five spring hole scokets is called five spring hole scoket shutters.
Be 2010201880896 in China Patent No., Granted publication day is that the patent documentation that December 15 in 2010, day, were called " a kind of shutter for five spring hole scokets " discloses a kind of five spring hole scoket shutters; five spring hole scoket shutters in this patent comprise base, pressing plate, shutter, back-moving spring and cover; one end butt of back-moving spring is lived cover, other end butt is lived shutter, and a shutter keeps off on the sleeve (i.e. five sleeves) in sleeve and three pole sockets in the double-pole socket in five spring hole scokets simultaneously.Although five spring hole scoket shutter structures in this patent have the shared advantage of complex spring, but there is following defect: in the time opening for one in two sockets, another also can open simultaneously, also exists two sockets to open and the potential safety hazard (hereinafter referred to as open defect simultaneously) brought simultaneously; Can not limit earth polar disappearance three-terminal polarized plus plug insertion, and use when the disappearance of three-terminal polarized plus plug earth polar, thereby the safety ground that can not realize electrical equipment rewinds potential safety hazard (hereinafter referred to as inserting defect without earth polar).
Be 2010201881121 in China Patent No., Granted publication day is that the patent documentation that February 20 in 2011, day, were called " a kind of shutter structure for five spring hole scokets " discloses the second five spring hole scoket shutters; five spring hole scoket shutter structures in this patent document adopt dual reset spring and two shutter; adopt seesaw principle and play and avoid effect and two shutters of one pole insertion to work alone separately, opening defect thereby overcome simultaneously.But the second five spring hole scoket shutter structures solve to have lost again the shared advantage of back-moving spring simultaneously when opening defect and can insert defect without earth polar and still exist, and five spring hole scoket protective doors of above two kinds of structures are to have his own strong points respectively to have shortage.
Be 2011203606585 in China Patent No., Granted publication day be Mays 30 in 2012 day, be called in the patent documentation of " a kind of shutters of five spring hole scokets " and disclose the third five spring hole scokets shutter structure; on the basis of the five spring hole scoket shutters in second of the shutter in this patent document, improve; back-moving spring is connected to the middle part of two emergency exits; thereby realize by a back-moving spring and realize the reset to two shutters, all the other versions are identical with the two or five spring hole scoket shutter.Therefore five spring hole scoket shutters of structure have had that back-moving spring shares, anti-one pole is opened, do not deposited and open the advantages such as defect in the 3rd simultaneously, but in the 3rd, five spring hole scoket shutters still exist without earth polar and can insert defect.
Utility model content
The utility model provides shared, the anti-one pole of a kind of back-moving spring to open, do not exist without earth polar and can insert defect, not have the five spring hole scoket shutter structures of simultaneously opening defect, has solved existing five spring hole scoket shutters and can not have shared, the anti-one pole unlatching of back-moving spring concurrently, not exist without earth polar and can insert defect, not have the problem of simultaneously opening the advantages such as defect.
Above technical problem solves by following technical proposal: a kind of five spring hole scoket shutter structures, comprise pressing plate, and be positioned at double-pole socket shutter and the three pole socket shutters of pressing plate upside, described double-pole socket shutter middle part is connected by a back-moving spring with three pole socket shutter middle parts, described pressing plate is provided with the first earth polar jack of the earth polar sleeve in corresponding three utmost point sleeves, described double-pole socket shutter middle part is provided with the second earth polar jack of the earth polar sleeve in corresponding three utmost point sleeves, described three pole socket shutters are provided with three pole socket shutters and open inclined-plane, described three pole socket shutter middle parts are provided with the actuating arm that is positioned at described the first jack top, earth polar, described three pole socket shutters unlatching inclined-planes are only arranged on the position of the earth polar sleeve in corresponding three utmost point sleeves of described actuating arm.The opening ways of double-pole socket shutter is identical with the opening ways of the third the five spring hole scokets shutter structure in background technology.Three pole socket shutters just can be unlocked while only inserting object in the jack of the earth polar sleeve in corresponding three utmost point sleeves, and therefore the version of this three pole sockets shutter has not only realized anti-one pole open function, can insert defect but also overcome without earth polar.Back-moving spring can be designed as extension spring, and when back-moving spring is extension spring, two shutters can be opened along the direction separating.
As preferably; described back-moving spring is Compress Spring; the position of the earth polar sleeve in corresponding three utmost point sleeves of described actuating arm is provided with the 3rd earth polar jack; described three pole socket shutters are opened inclined-plane and are arranged on the hole wall of described the 3rd earth polar jack away from described three pole socket shutter one end; the position of two sleeves in the corresponding bipolar sleeve of described double-pole socket shutter is all provided with double-pole socket shutter and opens inclined-plane, and described double-pole socket shutter is opened inclined-plane and is arranged on the side of described double-pole socket shutter away from described three pole socket shutters.Structural compactness is better.
As preferably; described pressing plate is provided with pressing plate portion chute; the downside at described double-pole socket shutter middle part is slidably connected in described pressing plate portion chute, upside is provided with double-pole socket shutter portion chute; described three pole socket shutters are slidably connected in described double-pole socket shutter portion chute and are slidably connected together with described pressing plate by described actuating arm; described the first earth polar jack is arranged at described pressing plate portion chute, and described the second earth polar jack is arranged at described double-pole socket shutter portion chute.Can in structural complexity essentially identical situation, realize and prevent that three pole socket shutters from opening inclined-planes and the second earth polar jack staggers guaranteeing, three pole socket shutters are opened inclined-planes and the second earth polar jack good reliability that do not stagger.
As preferably; described three pole socket shutters are provided with two for blocking the L utmost point sleeve of three utmost point sleeves and the shutter of N utmost point sleeve; described pressing plate is provided with L utmost point sleeve in two correspondences, three utmost point sleeves and the flat jack of N utmost point sleeve; described shutter is elongated, and the bearing of trend of shutter is identical with the length direction of flat jack.Can reduce materials amount and the deadweight of making three pole socket shutters, more be easy to realize the installation of three pole socket shutters.
As preferably, described double-pole socket shutter is provided with two towards a side of described three pole socket shutters and dodges groove, and when described double-pole socket shutter is opened, the end of described two shutters is contained in correspondingly described two and dodges in groove.Can further improve structural compactness.
The utility model is also included in when bipolar sleeve single hole inserts and limits the position limiting structure that bipolar sleeve shutter is opened, and described double-pole socket shutter middle part can be slipped on described pressing plate with lifting up.
As preferably, described position limiting structure is two blocks that coordinate with described two pole socket shutter two ends respectively that are arranged on described pressing plate, and described two blocks are distributed in the both sides of described actuating arm.
As preferably, described actuating arm is provided with storage tank towards a side of pressing plate, and described back-moving spring is contained in described storage tank.Can effectively prevent that back-moving spring in the process of opening the door from producing along the arching upward and prevent that back-moving spring from producing arching upward and act on the power of covering the cover on shutter upwards of pressing plate place in-plane, can realize upper cover easily and pressing plate links together reliably.Play the effect in the useful life that extends shutter.
The utility model also comprises upper cover; described double-pole socket shutter and three pole socket shutters are between upper cover and pressing plate; the lower surface of described upper cover is provided with polygonal coupling hole; the upper surface of described pressing plate is provided with circular connecting rod, and described pressing plate is plugged in described connecting hole and is fixed together with described upper cover in friction tight mode by described connecting rod.It is easily laborsaving when upper cover and pressing plate are linked together.
The utility model also comprises upper cover; described double-pole socket shutter and three pole socket shutters are between upper cover and pressing plate; lower surface one end of described upper cover is provided with double-pole socket shutter positive stop, the other end is provided with three pole socket shutter positive stops, and described double-pole socket shutter and three pole socket shutters are positioned at the space that described double-pole socket shutter positive stop and three pole socket shutter positive stops surround.Convenient when device.
The utlity model has following advantage: double-pole socket and three pole sockets respectively carry out security protection by a shutter and two shutters can not link, and open defect therefore do not exist simultaneously; Two shutters share back-moving spring and reset, convenient when layout; On the actuating arm that is positioned at the first jack top, earth polar, realize the anti-one pole of three pole socket shutters by the unlatching inclined-plane of three pole socket shutters is only arranged on and open, thereby make five spring hole scoket shutter structures not only there is anti-one pole open function, also not exist without earth polar and can insert defect.
Accompanying drawing explanation
Fig. 1 is schematic top plan view of the present utility model in closed condition and while removing upper cover of two shutters.
Fig. 2 is upper cover and the shutter elevational schematic view while linking together.
Fig. 3 be double-pole socket shutter in closed condition, three pole socket shutters the schematic top plan view of the present utility model in opening and while removing upper cover.
Fig. 4 be double-pole socket shutter in opening, three pole socket shutters the schematic top plan view of the present utility model in closed condition and while removing upper cover.
In figure: end box 1, pressing plate 2, pressing plate portion chute 21, the first earth polar jack 22, flat jack 23, connecting rod 24, double-pole socket shutter 3, double-pole socket shutter portion chute 31, the second earth polar jack 32, double-pole socket shutter is opened inclined-plane 33, dodge groove 34, three pole socket shutters 4, actuating arm 41, shutter 42, the 3rd earth polar jack 43, three pole socket shutters are opened inclined-plane 44, back-moving spring 5, position limiting structure 6, block 61, sleeve 7 in three utmost point sleeves, sleeve 8 in bipolar sleeve, upper cover 9, connecting hole 91, double-pole socket shutter positive stop 92, three pole socket shutter positive stops 93.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is further described.
Embodiment mono-, referring to Fig. 1, a kind of five spring hole scoket shutter structures, comprise end box 1, double-pole socket shutter 3, three pole socket shutters 4, back-moving spring 5 and position limiting structure 6.In end box 1, be provided with bipolar sleeve and three utmost point sleeves.The version of bipolar sleeve and three utmost point sleeves and and the fixed form of end box 1 be prior art.
End box 1 is provided with pressing plate 2.Pressing plate 2 is provided with pressing plate portion chute 21 and two flat jacks 23.Pressing plate portion chute 21 extends along fore-and-aft direction.In pressing plate portion chute 21, be provided with the first earth polar jack 22.Earth polar sleeve in corresponding three utmost point sleeves of the first earth polar jack 22.L utmost point sleeve and N utmost point sleeve in two corresponding three utmost point sleeves of flat jack 23.The upper surface of pressing plate 2 is also provided with connecting rod 24.Connecting rod 24 is circular.
The lower surface at double-pole socket shutter 3 middle parts is slidably connected in pressing plate portion chute 21 to lower convexity.Double-pole socket shutter 3 is supported on mode in pressing plate portion chute 21 with middle part and can left and right lifts up and be dynamically connected in described pressing plate 2.The upper surface at double-pole socket shutter 3 middle parts is provided with double-pole socket shutter portion chute 31.Double-pole socket shutter portion chute 31 extends along fore-and-aft direction.In double-pole socket shutter portion chute 31, be provided with the second earth polar jack 32 of the earth polar sleeve in corresponding three utmost point sleeves.The two ends, left and right of double-pole socket shutter 3 are respectively provided with a double-pole socket shutter and open inclined-plane 33.Two double-pole socket shutters are opened two sleeves in the corresponding bipolar sleeve in inclined-plane 33.Double-pole socket shutter is opened inclined-plane 33 and is arranged on the side of double-pole socket shutter 3 away from three pole socket shutters 4.The two ends, left and right of double-pole socket shutter 3 are respectively provided with one and dodge groove 34.Dodge groove 34 and be positioned at the side of double-pole socket shutter 3 towards three pole socket shutters 4.
Three pole socket shutters 4 are provided with actuating arm 41 and two shutters 42.Two shutters 42 are positioned at the left and right sides of actuating arm 41.Two shutters 42 block correspondingly on two flat jacks 23.Shutter 42 is elongated.The bearing of trend of shutter 42 is identical with the length direction of flat jack 23.Three pole socket shutters 4 are slidably connected at by actuating arm 41 that double-pole socket shutter portion chute 31 is interior realizes being slidably connected of same pressing plate 2.Actuating arm 41 is positioned at the top of the second earth polar jack 32.Actuating arm 41 is provided with the 3rd earth polar jack 43.The 3rd earth polar jack 43 is positioned at the top of the second earth polar jack 32.The 3rd earth polar jack 43 is provided with three pole socket shutters away from the hole wall of three pole socket shutter 4 one end and opens inclined-plane 44.
Back-moving spring 5 is Compress Spring.Middle part, the rear end that the front end of back-moving spring 5 is connected to double-pole socket shutter 3 is connected to the middle part of three pole socket shutters 4.Back-moving spring 5 is between actuating arm 41 and pressing plate 2.Actuating arm 41 is provided with storage tank towards a side of pressing plate 2, and back-moving spring 5 is contained in this storage tank.
Position limiting structure 6 is made up of a pair of block 61 being arranged on pressing plate 2.A pair of block 61 is distributed in the both sides of actuating arm 41.
Referring to Fig. 2, also protect upper cover 9.The lower surface of upper cover 9 is provided with connecting hole 91, double-pole socket shutter positive stop 92, three pole socket shutter positive stops 93.Connecting hole 91 is shape changeable.Be specially square.Socket protective door positive stop 92 has two.2 socket protective door positive stops 92 are distributed in the left and right sides of upper cover 9 lower surface rear ends.2 socket protective door positive stops 92 are splayed and distribute.Three pole socket shutter positive stops 93 have two.2 three pole socket shutter positive stops 93 are distributed in the left and right sides of upper cover 9 lower surface front ends.Three pole socket shutters 4 and double-pole socket shutter 3 are distributed in the space that double-pole socket shutter positive stop 92 and three pole socket shutter positive stops 93 surround.
Referring to Fig. 1 and Fig. 2, upper cover 9 is set on connecting rod 24 and is fixed together with pressing plate 2 by connecting hole 91 tight fits, and after assembling, three pole socket shutters 4 and double-pole socket shutter 3 are between pressing plate 2 and upper cover 9.
Referring to Fig. 3, if while only inserting L utmost point latch in three-terminal polarized plus plug and/or N utmost point latch, when also shutter 42 is subject to downward driving, three pole socket shutters 4 slide before and after not understanding, therefore shutter 4 can not be unlocked.Only have in the time that three of three utmost point sleeves all insert with latch; E utmost point latch in three-terminal polarized plus plug coordinates three pole socket shutters to open inclined-plane 44 and drive three pole socket shutters 4 to move forward while insertion; flat jack 23 exposes, and three latches in three-terminal polarized plus plug insert in three sleeves 7 in three utmost point sleeves correspondingly.While extracting three-terminal polarized plus plug, under the effect of back-moving spring 6, three pole socket shutters 4 reset.
Referring to Fig. 4; if while only inserting L utmost point latch in double-pole plug or N utmost point latch, the swing that produces above-below direction of the two ends, left and right of double-pole socket shutter 3; now three pole socket shutters 3 move to sleeve 8 in bipolar sleeve and also do not expose and kept off and can not move by block 61, and double-pole socket shutter 3 can not be unlocked.In the time inserting L utmost point latch in double-pole plug or N utmost point latch simultaneously; the latch of double-pole plug coordinates double-pole socket shutter open inclined-plane 33 and make after double-pole socket shutter 3 to move; two latches in two-wire plug are inserted in two sleeves 8 in bipolar sleeve correspondingly; now, the end of two shutters 42 is contained in correspondingly two and dodges in groove 34.While extracting double-pole plug, under the effect of back-moving spring 6, double-pole socket shutter 3 resets.
Claims (10)
1. a spring hole scoket shutter structure, comprise pressing plate, and be positioned at double-pole socket shutter and the three pole socket shutters of pressing plate upside, described double-pole socket shutter middle part is connected by a back-moving spring with three pole socket shutter middle parts, described pressing plate is provided with the first earth polar jack of the earth polar sleeve in corresponding three utmost point sleeves, described double-pole socket shutter middle part is provided with the second earth polar jack of the earth polar sleeve in corresponding three utmost point sleeves, described three pole socket shutters are provided with three pole socket shutters and open inclined-plane, it is characterized in that, described three pole socket shutter middle parts are provided with the actuating arm that is positioned at described the first jack top, earth polar, described three pole socket shutters unlatching inclined-planes are only arranged on the position of the earth polar sleeve in corresponding three utmost point sleeves of described actuating arm.
2. five spring hole scoket shutter structures according to claim 1, it is characterized in that, described back-moving spring is Compress Spring, the position of the earth polar sleeve in corresponding three utmost point sleeves of described actuating arm is provided with the 3rd earth polar jack, described three pole socket shutters are opened inclined-plane and are arranged on the hole wall of described the 3rd earth polar jack away from described three pole socket shutter one end, the position of two sleeves in the corresponding bipolar sleeve of described double-pole socket shutter is all provided with double-pole socket shutter and opens inclined-plane, described double-pole socket shutter is opened inclined-plane and is arranged on the side of described double-pole socket shutter away from described three pole socket shutters.
3. five spring hole scoket shutter structures according to claim 1 and 2; it is characterized in that; described pressing plate is provided with pressing plate portion chute; the downside at described double-pole socket shutter middle part is slidably connected in described pressing plate portion chute, upside is provided with double-pole socket shutter portion chute; described three pole socket shutters are slidably connected in described double-pole socket shutter portion chute and are slidably connected together with described pressing plate by described actuating arm; described the first earth polar jack is arranged at described pressing plate portion chute, and described the second earth polar jack is arranged at described double-pole socket shutter portion chute.
4. five spring hole scoket shutter structures according to claim 1 and 2; it is characterized in that; described three pole socket shutters are provided with two for blocking the L utmost point sleeve of three utmost point sleeves and the shutter of N utmost point sleeve; described pressing plate is provided with L utmost point sleeve in two correspondences, three utmost point sleeves and the flat jack of N utmost point sleeve; described shutter is elongated, and the bearing of trend of shutter is identical with the length direction of flat jack.
5. five spring hole scoket shutter structures according to claim 4; it is characterized in that; described double-pole socket shutter is provided with two towards a side of described three pole socket shutters and dodges groove; when described double-pole socket shutter is opened, the end of described two shutters is contained in correspondingly described two and dodges in groove.
6. five spring hole scoket shutter structures according to claim 1 and 2; it is characterized in that; also be included in when bipolar sleeve single hole inserts and limit the position limiting structure that bipolar sleeve shutter is opened, described double-pole socket shutter middle part can be slipped on described pressing plate with lifting up.
7. five spring hole scoket shutter structures according to claim 6; it is characterized in that; described position limiting structure is two blocks that coordinate with described two pole socket shutter two ends respectively that are arranged on described pressing plate, and described two blocks are distributed in the both sides of described actuating arm.
8. five spring hole scoket shutter structures according to claim 1 and 2, is characterized in that, described actuating arm is provided with storage tank towards a side of pressing plate, and described back-moving spring is contained in described storage tank.
9. five spring hole scoket shutter structures according to claim 1 and 2; it is characterized in that; also comprise upper cover; described double-pole socket shutter and three pole socket shutters are between upper cover and pressing plate; the lower surface of described upper cover is provided with polygonal coupling hole; the upper surface of described pressing plate is provided with circular connecting rod, and described pressing plate is plugged in described connecting hole and is fixed together with described upper cover in friction tight mode by described connecting rod.
10. five spring hole scoket shutter structures according to claim 1 and 2; it is characterized in that; also comprise upper cover; described double-pole socket shutter and three pole socket shutters are between upper cover and pressing plate; lower surface one end of described upper cover is provided with double-pole socket shutter positive stop, the other end is provided with three pole socket shutter positive stops, and described double-pole socket shutter and three pole socket shutters are positioned at the space that described double-pole socket shutter positive stop and three pole socket shutter positive stops surround.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320846933.3U CN203674451U (en) | 2013-12-20 | 2013-12-20 | Five-jack socket protection door structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320846933.3U CN203674451U (en) | 2013-12-20 | 2013-12-20 | Five-jack socket protection door structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203674451U true CN203674451U (en) | 2014-06-25 |
Family
ID=50970708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320846933.3U Expired - Lifetime CN203674451U (en) | 2013-12-20 | 2013-12-20 | Five-jack socket protection door structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203674451U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104134889A (en) * | 2014-08-14 | 2014-11-05 | 乐清今立电器科技有限公司 | Five-jack socket with protection door |
| CN105742864A (en) * | 2014-12-11 | 2016-07-06 | 苏州璟晖电子科技有限公司 | Novel socket guard gate protection structure |
| CN107230870A (en) * | 2017-07-14 | 2017-10-03 | 深圳市湖渊电气技术有限公司 | A kind of small five spring hole scoket for the protection door that band can be pushed open to one side |
-
2013
- 2013-12-20 CN CN201320846933.3U patent/CN203674451U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104134889A (en) * | 2014-08-14 | 2014-11-05 | 乐清今立电器科技有限公司 | Five-jack socket with protection door |
| CN105742864A (en) * | 2014-12-11 | 2016-07-06 | 苏州璟晖电子科技有限公司 | Novel socket guard gate protection structure |
| CN105742864B (en) * | 2014-12-11 | 2018-02-02 | 苏州璟晖电子科技有限公司 | A kind of socket protective door protection structure |
| CN107230870A (en) * | 2017-07-14 | 2017-10-03 | 深圳市湖渊电气技术有限公司 | A kind of small five spring hole scoket for the protection door that band can be pushed open to one side |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315314 Zhejiang city of Ningbo province Cixi city Guanhaiwei town East Industrial Park Patentee after: GONGNIU GROUP Co.,Ltd. Address before: 315314 Zhejiang city of Ningbo province Cixi city Guanhaiwei town East Industrial Park Patentee before: BULL GROUP Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140625 |
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| CX01 | Expiry of patent term |