CN201667434U - Double-protection door - Google Patents
Double-protection door Download PDFInfo
- Publication number
- CN201667434U CN201667434U CN2010201428339U CN201020142833U CN201667434U CN 201667434 U CN201667434 U CN 201667434U CN 2010201428339 U CN2010201428339 U CN 2010201428339U CN 201020142833 U CN201020142833 U CN 201020142833U CN 201667434 U CN201667434 U CN 201667434U
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- Prior art keywords
- shutter
- poles
- earth
- utmost point
- slotted eye
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- Expired - Lifetime
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Abstract
The utility model relates to a double-protection door, which comprises a three-pole protection door and a two-pole protection door, the three-pole protection door and the two-pole protection door interlace with each other up and down, a horizontal elastic member is arranged between the two protection doors, and a first earthing slotted hole and a second earthing slotted hole adapting and communicating to earthing pins of a three-pole plug are also arranged on the three-pole protection door and the two-pole protection door correspondingly. The three-pole protection door and the two-pole protection door interlace with each other up and down, the earthing slotted holes are disposed correspondingly, and are locked and connected with each other by elastic components. The movement is easier and more stable by adopting layered arrangement, the performance is stable, electric shock is effectively prevented, and the using safety of the socket is improved. The earthing slotted holes are communicating with each other, thereby being compatible and interoperable, greatly reducing the occupied space of the protection door, reducing the volume and size of the socket, and well meeting the requirements of every country, and the utility model is recognized by CCC.
Description
[technical field]
The utility model relates to two shutters of using in a kind of socket.
[background technology]
At present, the socket on the market much has shutter, is used for waterproof and dustproof, prevents to get an electric shock protection user's life and safety.
But; traditional shutter; and the frictional force between the socket base is excessive; unstable properties, the user needs very big strength the two poles of the earth latch could be inserted in the jack in use; and latch is after extracting; the two poles of the earth shutter can not be got back to original position, jack can't be covered fully, causes taking place the electric shock phenomenon.Simultaneously; when socket is multi-purpose socket; each shutter can not be used mutually with other shutters are compatible; the jack of socket can only be by simple stack combinations; thereby make the volume of socket and size bigger than normal; can't satisfy some national requirements, also can't add the authentication area of CCC (China Compulsory Certification).
[utility model content]
Given this, being necessary to provide can compatible two shutter of usefulness mutually between a kind of stable performance and the shutter.
A kind of pair of shutter; comprise three utmost point shutters and the two poles of the earth shutter; described three utmost point shutters and the two poles of the earth shutter are crisscross arranged up and down; be provided with horizontally disposed elastic component between the two, also correspondence is provided with the first ground connection slotted eye and the second ground connection slotted eye adaptive with the grounding pin of three-terminal polarized plus plug and that interpenetrate on described three utmost point shutters and the two poles of the earth shutter.
Preferably; be provided with first sloping platform corresponding at the first ground connection slotted eye, one end on described three utmost point shutters with the grounding pin of three-terminal polarized plus plug; be respectively equipped with second sloping platform corresponding with the pin of the two poles of the earth plug in the both sides of the second ground connection slotted eye on the shutter of described the two poles of the earth, described first sloping platform is relative with the second sloping platform incline direction.
Preferably, described first sloping platform is by inwall outward-dipping form of the described first ground connection slotted eye near described the two poles of the earth shutter one end, and described second sloping platform is positioned at the end of the two poles of the earth shutter near described first sloping platform, is symmetricly set on the both sides of the second ground connection slotted eye.
Preferably, described three utmost point shutters are provided with two three utmost points conduction slotted eyes corresponding with the L utmost point of three-terminal polarized plus plug and N utmost point pin at the end away from described first sloping platform.
Preferably, described three utmost points conduction slotted eye is the V-notch that is symmetricly set on the described first ground connection slotted eye both sides.
Preferably; described three utmost point shutters are towards the one side of described the two poles of the earth shutter; end near described three utmost points conduction slotted eye is provided with positive stop lug boss; end near described first sloping platform is provided with limited step; described the two poles of the earth shutter can move between described limited step and positive stop lug boss, and described elastic component is arranged between described positive stop lug boss and the described the two poles of the earth shutter.
Preferably, be provided with first chute and second chute parallel with the middle part of described positive stop lug boss bottom surface in the middle part of the described limited step with the described first ground connection slotted eye.
Preferably, with described second sloping platform opposed side edges middle part indent, form storage tank on the described two-stage shutter, described elastic component is placed in one.
Preferably, described elastic component is a spring, is provided with positioning boss in the described storage tank, and an end of described spring is set on the described positioning boss, and the other end is connected with described three utmost point shutters.
Preferably, described two-stage shutter is in the one side that deviates from described three utmost point shutters, parallel the 3rd chute and the 4th chute of being provided with in the both sides of the described second ground connection slotted eye.
Preferably, below described the 3rd chute and the 4th chute, be provided with protection groove perpendicular to described the 3rd chute and the 4th chute.
Above-mentioned pair of shutter, three utmost point shutters and the two poles of the earth shutter are crisscross arranged up and down, and correspondence is provided with the ground connection slotted eye, and connects by the elastic component interlocking.Layering is provided with, and motion is more prone to steadily, and stable performance prevents to get an electric shock effectively, has improved the safety in utilization of socket.The intercommunication of ground connection slotted eye, thus make both compatible usefulness mutually, significantly reduced the shutter occupation space, reduced the volume and the size of socket, well satisfied each national requirement, make it can obtain the approval of CCC.
[description of drawings]
Fig. 1 is the structure vertical view of the two shutters among the embodiment;
Fig. 2 is the two shutter structure upward views among the embodiment;
Fig. 3 is the structure vertical view of the two poles of the earth shutter;
Fig. 4 is the two shutter mounting structure schematic diagrames among the embodiment.
[embodiment]
Below in conjunction with accompanying drawing,, will make the technical solution of the utility model and other beneficial effects apparent by embodiment of the present utility model is described in detail.
Fig. 1 is the structure vertical view of the two shutters among the embodiment, and Fig. 2 is the two shutter structure upward views among the embodiment.Fig. 3 is the structure vertical view of the two poles of the earth shutter 20.
In conjunction with Fig. 1, Fig. 2 and Fig. 3, this pair shutter comprises three utmost point shutters 10, the two poles of the earth shutter 20 and horizontally disposed elastic component 30 between the two.Also correspondence is provided with the first ground connection slotted eye 140 and the second ground connection slotted eye 220 adaptive with the grounding pin of three-terminal polarized plus plug and that interpenetrate on three utmost point shutters 10 and the two poles of the earth shutter 20; therefore three utmost point shutters 10 and the two poles of the earth shutter 20 can be crisscross arranged up and down, save the space.When needs used three-terminal polarized plus plug, grounding pin can pass the first ground connection slotted eye 140 and the second ground connection slotted eye 220.
In order to save material and space, three utmost point shutters 10 are designed to the T type adaptive with the distribution shape of three-terminal polarized plus plug pin.The first ground connection slot 140 is axially disposed within the middle part of T type front end 100, and the conduction slotted eye 180 corresponding with the L utmost point and N utmost point pin is arranged on the rear end 200 of T type, and is symmetrical arranged with the center line of the first ground connection slot 140.For further saving material and space, width can be reduced in rear end 200, and conduction slotted eye 180 need not complete, can be V-notch.
The first ground connection slotted eye 140 is the inclined-plane near the inwall of front end 100, and is outward-dipping, forms first sloping platform 110.When pin inserts, move down along first sloping platform 110, the direction that promotes three utmost point shutters, 10 forward end 100 moves.First sloping platform 110 also can be simultaneously or only is arranged on the inwall of conduction slotted eye 180.
In the one side of three utmost point shutters 10 towards the two poles of the earth shutter 20, two ends are provided with stopping means.Near 200 places, rear end is positive stop lug boss 150, and front end 100 places are limited step 120.Elastic component 30 is arranged between the two poles of the earth shutter 20 and the positive stop lug boss 150, and the two poles of the earth shutter 20 can move between positive stop lug boss 150 and limited step 120.
At this face, three utmost point shutters 10 are provided with chute equally.Limited step 120 middle parts are provided with first chute 130, and limited step 120 is cut off by first chute 130.Also there is second chute 170 at same positive stop lug boss 150 places.Because elastic component 30 is arranged between the two poles of the earth shutter 20 and the positive stop lug boss 150, second chute 170 can not be arranged on three utmost point shutters, 10 main bodys, but the bottom surface of the positive stop lug boss 150 that is provided with.
The two poles of the earth shutter 20 is in the one side of relative three utmost point shutters 10, and the second ground connection slotted eye 220 is arranged on the centre of the two poles of the earth shutter 20, is rectangle slotted eye, up/down perforation.Second sloping platform 210 is two sloping platforms, is arranged at the two poles of the earth shutter 20 1 ends, in the symmetrical both sides of the second ground connection slotted eye 220, is formed slopely to the inside by the two poles of the earth shutter 20 1 ends.The size of second sloping platform 210 and two-stage plug base pin are adaptive, and the distance between two pins of the distance between second sloping platform 210 and the two poles of the earth plug is adaptive.The other end middle part indent that the two poles of the earth shutter 20 is relative with second sloping platform 210 forms storage tank 260, is used for ccontaining elastic component 30.Elastic component 30 can be symmetrically arranged two, also can be in the middle part of being arranged on along the second ground connection slotted eye, 220 extended lines.Can be provided with positioning boss 270 in the storage tank 260, be elastic component 30 location.When elastic component 30 was spring, an end of spring was set on the positioning boss 270.
In the one side opposite with three utmost point shutters 10, first slideway 230, second slideway 240 are set in parallel in the both sides of the second ground connection slotted eye 220.Protection groove 250 is arranged on the side of the two poles of the earth shutter 20.
Fig. 4 is the two shutter mounting structure schematic diagrames among the embodiment.Among this embodiment, socket is a multi-purpose socket, and it has the function of the two poles of the earth and three pole sockets, and the earth jack 412 of three pole sockets is positioned at the centre of the two poles of the earth jack L utmost point 414 and the N utmost point 416 on its panel 410.Two shutters are between socket panel 410 and base 420.First slideway 130, second slideway 170, the 3rd slideway 230 and the 4th slideway 240 are erected at respectively on first slide rail 421, second slide rail 422, the 3rd slide rail 423 and the 4th slide rail 424 on the base 420; make three utmost point shutters 10 and the two poles of the earth shutter 20 form two slide guide structures with base 420 separately; dwindle contact area with base 420; reduce resistance, making slides separately is more prone to stable.First slide rail 421 leans on mutually with the end with second sloping platform 210 of the two poles of the earth shutter 20, as the postive stop baffle of the two poles of the earth shutter 20, it is fixed.Protection groove 250 is positioned at the top of protection step 425.First sloping platform 110 and second sloping platform 210 lay respectively at earth jack 412 and the two poles of the earth jack L utmost point 414 and the N utmost point 416 under, it is sheltered from, the edge of three utmost points conductions slotted eye 180 initially shelters from three pole socket L utmost point jacks 417 and N utmost point jack 418 respectively.
During work, elastic component 30 is initially in contraction state, and the elastic force of its formation relies closely two shutters and base 420.
When the user used three utmost point jacks, first sloping platform 110 initially covered the ground connection sleeve, and the edge of three utmost points conduction slotted eye 180 initially covers three pole socket L utmost point jacks 417 and N utmost point jack 418 respectively.When three utmost point latches inserted, ground pin was oppressed first sloping platform 110, produces horizontal thrust.Because first slideway 130 and second slideway 170 and first slide rail 421 and second slide rail 422 form two slide guide structures; three utmost point shutters 10 slide along thrust direction; 110 translations of first sloping platform; the first ground connection slotted eye 140 and the second ground connection slotted eye 220 form passage and expose ground connection conduction sleeve; 180 translations of three utmost points conduction slotted eye; expose L utmost point conduction sleeve and N utmost point conduction sleeve, three utmost point latches can be injected in three utmost points conduction sleeve.After three utmost point latches were extracted, the elastic force of elastic component 30 promoted three utmost point shutters 10 and gets back to the origin-location, relied closely with base 420, again three utmost points conduction sleeve was covered.
When the user used the two poles of the earth jack, second sloping platform 210 initially covered the two poles of the earth conduction sleeve under it.When the two poles of the earth latch inserted, the two poles of the earth latch was oppressed second sloping platform 210, produces horizontal thrust.Because the 3rd slideway 230 and the 4th slides into the 3rd slide rail 423 and the 4th slide rail 424 and forms two slide guide structures, second sloping platform 210 slides along thrust direction, forms passage and exposes the two poles of the earth conduction sleeve, and the two poles of the earth latch can be injected in the conduction sleeve of the two poles of the earth.After latch was extracted, the elastic force of elastic component 30 promoted the two poles of the earth shutter 20 and gets back to the origin-location, relies closely with first slide rail 421, and the sleeve that again the two poles of the earth conducted electricity covers.
When if the one pole latch inserts the L utmost point jack 417 of three utmost point jacks and N utmost point jack 418, because three utmost point shutters, 10 corresponding sections do not have sloping platform and then can not slide, when inserting earth jack 412, ground connection sleeve electromotive force is zero and can get an electric shock.
When the one pole latch inserts the two poles of the earth jack; latch is oppressed second sloping platform 210; form downward pressure; the two poles of the earth shutter 20 is that the axially loaded direction is rotated with the 3rd slide rail 423 or the 4th slide rail 424; make protection groove 250 engaged with protection step 425; make the two poles of the earth shutter 20 can not produce slip, thereby stop the insertion of one pole latch, prevent to get an electric shock and take place.
Above-mentioned pair of shutter, three utmost point shutters and the two poles of the earth shutter are crisscross arranged up and down, and correspondence is provided with the ground connection slotted eye, and connects by the elastic component interlocking.Layering is provided with, and motion is more prone to steadily, and stable performance prevents to get an electric shock effectively, has improved the safety in utilization of socket.The intercommunication of ground connection slotted eye, thus make both compatible usefulness mutually, significantly reduced the shutter occupation space, reduced the volume and the size of socket, well satisfied each national requirement, make it can obtain the approval of CCC.
The above embodiment has only expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (11)
1. two shutter; comprise three utmost point shutters and the two poles of the earth shutter; it is characterized in that: described three utmost point shutters and the two poles of the earth shutter are crisscross arranged up and down; be provided with horizontally disposed elastic component between the two, also correspondence is provided with the first ground connection slotted eye and the second ground connection slotted eye adaptive with the grounding pin of three-terminal polarized plus plug and that interpenetrate on described three utmost point shutters and the two poles of the earth shutter.
2. pair shutter according to claim 1; it is characterized in that; be provided with first sloping platform corresponding at the first ground connection slotted eye, one end on described three utmost point shutters with the grounding pin of three-terminal polarized plus plug; be respectively equipped with second sloping platform corresponding with the pin of the two poles of the earth plug in the both sides of the second ground connection slotted eye on the shutter of described the two poles of the earth, described first sloping platform is relative with the second sloping platform incline direction.
3. pair shutter according to claim 2; it is characterized in that; described first sloping platform is by inwall outward-dipping form of the described first ground connection slotted eye near described the two poles of the earth shutter one end; described second sloping platform is positioned at the end of the two poles of the earth shutter near described first sloping platform, is symmetricly set on the both sides of the second ground connection slotted eye.
4. pair shutter according to claim 2 is characterized in that, described three utmost point shutters are provided with two three utmost points conduction slotted eyes corresponding with the L utmost point of three-terminal polarized plus plug and N utmost point pin at the end away from described first sloping platform.
5. pair shutter as claimed in claim 4 is characterized in that, described three utmost points conduction slotted eye is the V-notch that is symmetricly set on the described first ground connection slotted eye both sides.
6. pair shutter according to claim 4; it is characterized in that; described three utmost point shutters are towards the one side of described the two poles of the earth shutter; end near described three utmost points conduction slotted eye is provided with positive stop lug boss; end near described first sloping platform is provided with limited step; described the two poles of the earth shutter can move between described limited step and positive stop lug boss, and described elastic component is arranged between described positive stop lug boss and the described the two poles of the earth shutter.
7. pair shutter according to claim 6 is characterized in that, described limited step middle part is provided with first chute and second chute parallel with the described first ground connection slotted eye with the middle part of described positive stop lug boss bottom surface.
8. according to the arbitrary described pair of shutter of claim 1-7, it is characterized in that with described second sloping platform opposed side edges middle part indent, form storage tank on the described two-stage shutter, described elastic component is placed in one.
9. pair shutter according to claim 8 is characterized in that, described elastic component is a spring, is provided with positioning boss in the described storage tank, and an end of described spring is set on the described positioning boss, and the other end is connected with described three utmost point shutters.
10. pair shutter according to claim 8 is characterized in that, described two-stage shutter is in the one side that deviates from described three utmost point shutters, parallel the 3rd chute and the 4th chute of being provided with in the both sides of the described second ground connection slotted eye.
11. according to claim 10 pair of shutter is characterized in that, is provided with the protection groove perpendicular to described the 3rd chute and the 4th chute below described the 3rd chute and the 4th chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201428339U CN201667434U (en) | 2010-03-22 | 2010-03-22 | Double-protection door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201428339U CN201667434U (en) | 2010-03-22 | 2010-03-22 | Double-protection door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201667434U true CN201667434U (en) | 2010-12-08 |
Family
ID=43268397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201428339U Expired - Lifetime CN201667434U (en) | 2010-03-22 | 2010-03-22 | Double-protection door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201667434U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101980404A (en) * | 2010-11-26 | 2011-02-23 | 浙江正泰建筑电器有限公司 | Bipolar socket protection door |
| CN106450900A (en) * | 2016-08-22 | 2017-02-22 | 中山市创享电器有限公司 | Socket with resetting and hole-sealing device |
| CN107534242A (en) * | 2014-12-10 | 2018-01-02 | Q2电源有限公司 | Socket adaptor |
| CN108054552A (en) * | 2017-12-14 | 2018-05-18 | 贵派电器股份有限公司 | Anti- list inserts protection door |
| CN108054551A (en) * | 2017-12-14 | 2018-05-18 | 贵派电器股份有限公司 | Simple anti-list inserts protection door |
| CN108092053A (en) * | 2017-12-14 | 2018-05-29 | 贵派电器股份有限公司 | Anti- list with excellent swing effect inserts protection door |
| CN108110481A (en) * | 2017-12-14 | 2018-06-01 | 贵派电器股份有限公司 | Highly reliable anti-list inserts protection door |
| CN116031687A (en) * | 2023-03-28 | 2023-04-28 | 公牛集团股份有限公司 | Protection door assembly and socket |
-
2010
- 2010-03-22 CN CN2010201428339U patent/CN201667434U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101980404A (en) * | 2010-11-26 | 2011-02-23 | 浙江正泰建筑电器有限公司 | Bipolar socket protection door |
| CN107534242A (en) * | 2014-12-10 | 2018-01-02 | Q2电源有限公司 | Socket adaptor |
| CN107534242B (en) * | 2014-12-10 | 2019-07-26 | Q2电源有限公司 | Socket adaptor |
| CN106450900A (en) * | 2016-08-22 | 2017-02-22 | 中山市创享电器有限公司 | Socket with resetting and hole-sealing device |
| CN108054552A (en) * | 2017-12-14 | 2018-05-18 | 贵派电器股份有限公司 | Anti- list inserts protection door |
| CN108054551A (en) * | 2017-12-14 | 2018-05-18 | 贵派电器股份有限公司 | Simple anti-list inserts protection door |
| CN108092053A (en) * | 2017-12-14 | 2018-05-29 | 贵派电器股份有限公司 | Anti- list with excellent swing effect inserts protection door |
| CN108110481A (en) * | 2017-12-14 | 2018-06-01 | 贵派电器股份有限公司 | Highly reliable anti-list inserts protection door |
| CN108054551B (en) * | 2017-12-14 | 2020-11-17 | 贵派电器股份有限公司 | Simple anti-single-plug protective door |
| CN116031687A (en) * | 2023-03-28 | 2023-04-28 | 公牛集团股份有限公司 | Protection door assembly and socket |
| CN116031687B (en) * | 2023-03-28 | 2023-06-02 | 公牛集团股份有限公司 | Protection door assembly and socket |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101208 |
|
| CX01 | Expiry of patent term |