CN110581407B - Socket of closed three-plug and two-plug combined type jack - Google Patents
Socket of closed three-plug and two-plug combined type jack Download PDFInfo
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- CN110581407B CN110581407B CN201910963587.9A CN201910963587A CN110581407B CN 110581407 B CN110581407 B CN 110581407B CN 201910963587 A CN201910963587 A CN 201910963587A CN 110581407 B CN110581407 B CN 110581407B
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- protective door
- mounting box
- socket
- jack
- spring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/44—Means for preventing access to live contacts
- H01R13/447—Shutter or cover plate
- H01R13/453—Shutter or cover plate opened by engagement of counterpart
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R27/00—Coupling parts adapted for co-operation with two or more dissimilar counterparts
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Abstract
A closed three-plug and two-plug combined jack socket comprises: shutter mounting box, shutter device, shutter resetting means, characterized by: the protective door mounting box is composed of an upper cover, an upper cover inclined rail, a base inclined rail and an inclined rail platform, the protective door mounting box is mounted in a socket shell, the upper cover and the base of the mounting box are both provided with inclined rails, the inclined rails of the upper cover and the inclined rails of the base are matched to form inclined rail grooves, a protective door mounting shaft is mounted on the protective door, the protective door mounting shaft is mounted in the inclined rails which are arranged on the upper portion and the lower portion of the protective door mounting box, the protective door has a single-pressure prevention function by utilizing the lever principle, the protective door can be opened and the plug is pulled out when the plug presses the protective door downwards, the protective door can be reset under the action of the spring, the socket is a sealed cube in appearance, the safety performance is greatly improved, not only can the three-core jacks and the two-core jacks be independently used respectively, but also the combination jacks of the three-core jack and the two-core jack can be realized in a hole-free mode by.
Description
Technical Field
The invention relates to a closed three-plug and two-plug combined jack socket.
Background
The invention not only enables the three-core jack and the two-core jack to be respectively and independently used, but also mainly enables the combined jack of the three-core jack and the two-core jack to realize non-hole by means of the invention, the non-hole socket is a socket which is arranged on the jack and aims at completely sealing the protective door, the protective door can be used as a jack cover on the socket hole under the condition that the jack of the protective door is not electrically leaked, the jack is not exposed by the whole socket, and the jack is in a non-jack state, so that the socket is in a closed cube in appearance, in the non-use state, the jack is closed by the protective door, and the protective door can be automatically opened only when the plug is inserted.
Disclosure of Invention
The invention provides a closed socket with three-plug and two-plug combined jacks, when a plug is not inserted into the jacks of the socket, the surface of the socket is a horizontal plane without hollow, the jacks and the jacks are not exposed, so that the socket forms a cube with a smooth appearance, and a protective door can be automatically opened when being pressed by the plug pins.
The technical scheme adopted by the invention for solving the technical problems is as follows: the protection door shaft is installed on the protection door, the protection door shaft is installed in the inclined rail groove, a spring or a return spring is installed below the protection door or on a proper position of the protection door shaft, a contact pin of the plug presses down the protection door, the protection door shaft can drive the protection door to slide to the lateral lower side along the inclined rail, the protection door is opened simultaneously, the contact pin of the plug can be smoothly inserted into the socket, the protection door can not open the jack if the protection door has a special single-pressing prevention function when the single protection door presses down the jack, the protection door can only be opened when the two-core jack is double-inserted or the three-core jack is simultaneously inserted, once the plug is pulled out after the protection door is opened, and the protection door returns to the original position under the action of the spring or the reed.
The invention has the advantages that; after the structure is adopted, the jack can be opened by touching the protective door slightly, the plugging times are more, scratches or black marks cannot be formed on the protective door, the jack of the socket is still in a non-porous state and is a sealed cube in appearance, the safety performance is greatly improved, dust, iron chips and the like cannot be removed at all, a three-level waterproof function can be achieved in terms of produced products, the technical bottleneck that the jack formed by combining a three-core jack and a two-core jack is not porous is broken through, the three-core jack and the two-core jack can be used independently, and more importantly, the non-porous effect can be achieved by means of the combined jack formed by combining the three-core jack and the two-core jack.
The invention comprises the following steps: shutter mounting box, shutter device, shutter resetting means, characterized by: the protective door mounting box is arranged in the socket shell, the upper cover and the base of the mounting box are both provided with inclined rails, after the protective door mounting box is mounted, the inclined rails of the upper cover are matched with the inclined rails of the base to form inclined rail grooves, the protective door is provided with a protective door mounting shaft which is arranged in the inclined rails arranged above and below the protective door mounting box and can enable the protective door shaft to slide in the inclined rails, the bottom of the protective door is connected with the first spring in a sliding manner, the other end of the first spring is arranged on the spring seat arranged at the bottom of the protective door mounting box, a normal lower jack is in a closed state, when a plug presses down the protective door, the protective door shaft slides along the inclined rail to the lower side, so that the protective door shaft leaks out of the insertion holes, the contact pins are inserted, but if only one of the protective door insertion holes is subjected to external force, after the protective door only moves downwards for a certain distance, the linkage rod carried on the protective door can be blocked in the clamping groove arranged on the protective door linkage rod on the other side, because the protective door on the other side is still embedded in the jack, the protective door can not continue to slide along the direction of the slide rail, at the moment, the protective door stops moving, thereby having the effect of preventing single pressing, only two jacks are simultaneously stressed to enable the linkage rods to simultaneously displace and leave the original positions, the two linkage rods can not be embedded together, the plug can smoothly enter the socket, however, in practical production, the second spring is arranged on one side of the protective door shaft, the second spring can be a reed, but the effect of the integrated third spring is quite good.
However, if the protective door is not used in the combined jack of the three-core jack and the two-core jack, the linkage rods can be arranged on one side of the two sides of the protective door for use, so that the unbalanced stress in the sliding process of the protective door can be removed, for the three-core protective door, another method is adopted, namely, the three-core protective door is arranged into a whole, the inclined rail is arranged at the middle end position of the protective door, the inclined rail is not inclined to the bottom, but a small platform which is close to the lower inclination is kept at the upper end of the inclined rail, one end of the grounding protective door is arranged on the extension rod on the supporting plate of the positive and negative protective doors, the extension rod can be used as a three-core protective door shaft after being extended, the three-core protective door shaft is a middle shaft arranged at the middle position of the protective door, the middle shaft is still arranged in the inclined rail groove formed by the upper cover inclined rail and the base inclined rail, the grounding protective door is not provided with the inclined rail, the plug pin is avoided when the protective door slides, a fourth spring is arranged at the middle position of the three-core protective door on the base of the protective door mounting box and is responsible for resetting the whole three-core protective door, when the pin of the three-core plug is pressed down simultaneously, the protective door moves towards the lower side, the three-core protective door slides leftwards and rightwards, once the three-core protective door leaves the position embedded in the socket cover, the protective door integrally slides towards the side under the action of the inclined rail, so that the protective door is opened, the pin of the plug can be inserted into the socket, but when only one of the positive and negative electrodes is subjected to external force, the middle shaft of the protective door falls on the small platform of the inclined rail, the protective door integrally has a high side and a low side like a seesaw, the other end of the protective door is still embedded in the jack, the protective door embedded in the jack cannot move along the direction of the sliding rail due to the limiting effect of the jack, the protection door which leads to stress can not be opened, so that the single-pressure prevention effect is formed, similarly, when the grounding protection door is stressed to press downwards, the end point in the middle of the protection door shaft on the inclined rail is stressed to form a fulcrum, the other two positive and negative protection doors are upwarped, the two positive and negative protection doors are embedded in the jack to play a limiting role, so that the protection doors can not be opened, the single-pressure prevention effect is formed, and the three protection doors can not be conveniently moved under the limiting of the lever and the jack by utilizing the lever principle.
However, the shape of the socket is different, especially the 118 type socket, the national standard stipulates strict dimension distance, and the jack protection doors of the two cores extend to two sides and obviously exceed the distance stipulated by the national standard, therefore, the invention designs another proposal, namely, the two core protection doors are made into a whole body, the whole protection doors do not slide left and right but slide backwards, the inclined rails are arranged at the left and right ends of the whole protection doors, a small platform similar to and parallel to the surface of the socket cover is also arranged on the inclined rails, the protection door linkage rod and the clamping groove are removed, the bottom of the protection door mounting box is provided with a fourth spring, when the protection doors and the surface of the socket are in the same plane in normal state, when the plug pin of the plug presses the protection doors, the protection door shaft drives the whole protection doors to move backwards and downwards along the inclined rails, thereby the jacks are leaked, the plug pin is inserted, if only one of the protection doors is subjected to external force, although the protective door also can move downwards, because two protective doors are a whole, one side of the protective door is provided with two inclined rails, one side is stressed, the other side is not stressed, and the other side can form a wane.
However, the method needs a certain thickness of the socket cover, if the socket cover is too thin, the protective door can not be embedded in the socket cover, so the invention designs another proposal, namely, the original two inclined rails at the two sides of the protective door are changed into one inclined rail, the bottom of the protective door mounting box is provided with a pivot at the middle position below the two integral protective doors, a top block is arranged below the middle position of the two protective doors, two groups of fifth springs are arranged, one group is arranged at the left, the other group is arranged at the right, the fifth springs are respectively supported at the two side ends of the protective doors, the jack is closed under the normal state, when the contact pin of the plug presses the protective door down, the protective door translates along the inclined rail to the rear lower direction, thereby opening the jack, the plug is inserted into the socket, but when one protective door is stressed, because the other end is not stressed, the top block in the middle of the protective door after pressing down is pressed against the pivot arranged at the bottom of the protective door box, the pivot is, the opposite side can prevent the shutter further displacement because of the shutter still inlays in the jack, forms and prevents the single effect of pressing, only works as two shutters atress simultaneously, and the whole gliding of shutter, the groove of dodging in the middle of two shutters is followed the pivot inclined plane and is slided down, can't form the lever, can open the shutter smoothly.
By adopting the method, no matter the single jack of the socket or the combined jack of the three-core jack and the two cores can be in a non-porous totally-enclosed state, the safety measure is greatly enhanced, and the method has practical significance in water resistance, falling prevention, touch prevention, dust prevention and attractive appearance of the socket.
Drawings
FIG. 1 is a view showing an appearance effect of a protective door according to embodiment 1 of the present invention after the protective door is closed;
FIG. 2 is an assembled view after uncapping in example 1 of the present invention;
FIG. 3 is a side sectional view of embodiment 1 of the present invention;
FIG. 4 is a view showing the installation of a protective door and a spring according to example 1 of the present invention;
FIG. 5 is a view showing a closed state of a protective door and a spring mounting in example 1 of the present invention;
FIG. 6 is a bottom sectional view of the base of the upper cover of the protective door mounting box according to embodiment 1 of the present invention;
FIG. 7 is a perspective view of the upper lid and the base in accordance with embodiment 2 of the present invention;
FIG. 8 is a diagram showing a state where a protective door is closed according to embodiment 2 of the present invention;
FIG. 9 is a diagram showing the effect of removing the cover of the protective door mounting box according to embodiment 3 of the present invention;
FIG. 10 is a view of a protective door mounting box base according to embodiment 3 and 4 of the present invention;
FIG. 11 is a perspective view of the three-core protective door of FIG. 9 in accordance with embodiment 3 of the present invention;
FIG. 12 is a drawing of the cover-removing assembly of example 3 and example 4 of the present invention;
FIG. 13 is an assembled view of a protective door and a spring according to example 4 of the present invention;
FIG. 14 is a top and bottom sectional view of a protective door mounting box according to embodiment 5 of the present invention;
FIG. 15 is a perspective view of a protective door according to example 5 of the present invention;
in the above figures:
1. the protective door mounting box comprises a protective door mounting box upper cover 1.1, a three-core jack 1.2, a three-core grounding jack 1.3, a two-core jack 1.4, an upper cover inclined rail 2, a three-core protective door 2.1, a positive and negative protective door 2.2, a grounding protective door 2.3, an extension rod 2.4, an avoidance hole 2.5, a three-core protective door shaft 3, a two-core protective door device 3.1, a two-core protective door 3.2, a protective door shaft 3.3, a clamping groove 3.4, a protective door linkage rod 3.5, a buckle 3.6, a grounding hole avoidance groove 3.7, a top block 4, a protective door mounting box 4.1, a base inclined rail 4.2, a spring mounting groove 4.3, a spring seat 4.4, a base avoidance hole 4.5, a small step 4.6, a fulcrum 4.7, a fifth spring seat 5, a spring 5.1, a first spring 5.2, a second spring 5.3, a third spring 5.4 and a fourth spring 5.5.
Detailed Description
The detailed structure of the present invention will be described below with reference to the embodiments and the drawings thereof, but the present invention is not limited to the embodiments, and various combinations within the design framework of the present invention are within the effective protection scope.
Fig. 1 illustrates a closed three-plug and two-plug combination jack socket, the invention comprising: shutter mounting box 4, shutter device 2, 3, shutter resetting means 5, characterized by: the protective door mounting box 4 consists of an upper cover 1, an upper cover inclined rail 1.4, a base inclined rail 4.1 and an inclined rail small step, the protective door device 2 consists of a protective door 3.1, a protective door shaft 3.2, a linkage rod 3.4, a clamping groove 3.3 and a buckle 3.5, the reset device 5 comprises a first spring 5.1, a second spring 5.2, a third spring 5.3, a fourth spring 5.4 and a fifth spring 5.5, the protective door mounting box 4 is mounted in the socket shell, the inclined rail 1.4 is arranged below the mounting box upper cover 1, (see figure 6) the inclined rail 4.1 is also arranged above the mounting box base 4, after the protective door mounting box 4 is mounted, the inclined rail 1.4 of the upper cover 1 is matched with the inclined rail 4.1 of the mounting box base 4 to form an inclined rail groove, the protective door shaft 3.2 is mounted on the protective door 3, the protective door shaft 3.2 is mounted in the inclined rail groove arranged in the protective door mounting base 4 and the inclined rail 4.1 which is arranged in the protective door mounting box (see that the inclined rail 3.2 is capable of sliding in the protective door mounting box, the bottom of the protective door 3 is connected with a first spring 5.1 in a sliding way, the other end of the first spring 5.1 is arranged on a spring seat 4.3 arranged on a protective door mounting box base 4, the jack 1.3 is in a closed state under normal state, when a pin of a plug presses the protective door 3 downwards, the protective door shaft 3.2 slides downwards along the inclined rail 4.1 to be leaked out of the jack 1.3, the pin can be inserted, if only one protective door 3 is subjected to external force, the protective door 3 only moves downwards for a certain distance, a buckle 3.5 on the protective door linkage rod 3.4 can be clamped in a clamping groove 3.3 (shown in figure 2) arranged on the protective door linkage rod 3.4 at the other side, because the protective door 3 at the other side is still embedded in the jack 1.3, the protective door 3 can not continue to slide in the direction of the inclined rail 4.1, at the moment, the displacement of the protective door 3 stops, thereby the effect of preventing single pressure is achieved (shown in figure 4), only two protective doors 3 are simultaneously subjected to force, the two protective door linkage rods 3.4 cannot be embedded together until the protective door linkage rods 3.4 are displaced simultaneously and leave the original positions, and the plug can smoothly enter the socket, but in actual production, the second spring 5.2 is arranged on one side of the protective door shaft 3.2, the second spring 5.2 can be a reed, but in actual production, the integral third spring 5.3 is also made, and the effect (see fig. 5) is very good.
Inventive example 2 is shown in fig. 7. When a three-core and two-core combined hole is not needed, the two-core protective door 3 is better in the method, two protective door linkage rods 3.4 can be arranged on each side of the two protective doors 3, and therefore the position of the three-core jack grounding hole 2.3 does not need to be opened (see figure 8).
In the embodiment 3 of the invention, as shown in fig. 9, as for the three-core protective door 2, another method is adopted, namely, the three-core protective door 2 is arranged into a whole, two positive and negative protective doors 2.1 start an inclined rail 4.1, a small step 4.5 is arranged on the inclined rail 4.1, the grounding protective door 2.2 is connected by extension rods 2.3 of the positive and negative protective doors 2.1 (shown in fig. 11), the two inclined rails 4.1 play a supporting role for the positive and negative protective doors 2.1, a third spring 5.3 is arranged at the middle position of the three-core protective door 2 (shown in fig. 10), the third spring 5.3 is responsible for resetting of the whole three-core protective door 2, when the pins of a three-core plug are simultaneously pressed down, the three-core protective door 2 moves downwards, once the three-core protective door 2 is arranged at a position away from the embedded upper cover 1.1, under the action of the inclined rail 4.1, the whole three-core protective door 2 slides downwards at the side, so as to open the three-core protective door 2, when one of the positive and negative protective doors 2.1 is subjected to external force, the middle shaft 2.5 of the protective door falls on the small step 4.5 of the inclined rail 4.1, the whole three-core protective door 2 is high on one side and low on the other side like a seesaw, the other end of the three-core protective door 2 is still embedded in the jack 1.1, the positive and negative protective doors 2.1 embedded in the jack 1.1 cannot displace along the direction of the inclined rail 4.1 due to the limiting function of the jack, so that the stressed protective door 2 cannot be opened, and thus the single-pressure prevention effect is formed, similarly, when the grounding protective door 2.2 is stressed and pressed downwards, the small step 4.5 in the middle of the protective door shaft 2.5 on the inclined rail 4.1 is stressed, at this time, the other two positive and negative protective doors 2.1 are upwarped, the positive and negative protective doors 2.1 are embedded in the jack 1 to play a limiting function, so that the three-core protective door 2 cannot be opened, and thus the single-pressure prevention effect is formed, by utilizing the lever principle, the three-core protective door 2 can not move freely under the limit of the lever and the jack.
Embodiment 5 of the present invention is shown in fig. 14, in this way, the original two inclined rails 4.1 at both sides of the protective door are changed into one inclined rail 4.1, at the middle position under the protective door device 3, the bottom of the protective door mounting box is provided with a fulcrum 3.2, under the middle position of the two protective doors 3.1, a top block 2.7 is mounted, two groups of fifth springs 5.5 are selected and mounted in a fifth socket mounting seat 4.7, one group is on the left and the other group is on the right, which are respectively supported at the two side ends of the protective door 3.1, the jack is closed under normal state, when the pin of the plug presses the protective door 3.1, the protective door moves along the inclined rails 4.1 to the lower back, thereby opening the jack 1.3, the plug can be inserted into the socket, but when one protective door 3.1 is stressed, because the protective door 3.1 at the other end is not stressed, and the fulcrum 4.6 is arranged between the two protective doors, the top block 3.7 under the protective door is pressed, and the fulcrum 4.6 forms a lever to tilt the other side of the protective door 3.1, although one side of shutter 3.1 has been pushed down, can prevent shutter 3.1 further displacement because of opposite side shutter 3.1 still inlays in jack 1.3, forms and prevents the single effect of pressing, only when two shutters 3.1 atress simultaneously, can't form the lever, the displacement can be smooth simultaneously open shutter 3.1.
After the method is adopted, the single jack of the socket, the three-core jack and the combined jack of the two cores can be in a non-porous totally-closed state, not only is the safety measure greatly enhanced, but also the three-core jack and the combined jack of the two cores are a sealed cube in appearance, dust, iron filings and the like cannot enter at all, the three-level waterproof function can be achieved in the view of the produced product, the technical bottleneck of non-porous of the three-core and two-core combined jack is broken through, the three-core jack and the two-core jack can be used independently, and more importantly, the three-core and two-core combined jack can also realize non-porous by means of the invention.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, or direct or indirect applications in other related fields, which are made by the contents of the present specification, are included in the scope of the present invention.
Claims (6)
1. A closed three-plug and two-plug combined jack socket is characterized by comprising a protective door mounting box and a protective door device;
the protective door mounting box is mounted in the socket shell, an inclined rail is arranged below the upper cover of the mounting box, an inclined rail is also arranged above the base of the mounting box, and the inclined rail of the upper cover of the mounting box is matched with the inclined rail of the base of the mounting box to form an inclined rail groove;
the protective door device consists of a protective door, a protective door shaft, a linkage rod carried on the protective door, a clamping groove and a buckle;
the protective door is provided with a protective door shaft, the protective door shaft is arranged in a diagonal rail groove of the protective door mounting box, and the protective door shaft can slide in the diagonal rail groove;
a clamping groove and a buckle are arranged on the linkage rod;
the jack is in a closed state under a normal state, when one protective door is subjected to external force, the protective door moves downwards for a certain distance, the buckle on the linkage rod can be clamped in the clamping groove of the linkage rod on the other side, and the protective door on the other side is still embedded in the jack and cannot continue sliding in the direction of the inclined rail, so that the single-pressure prevention effect is realized; only when the two protective doors are simultaneously stressed and the linkage rods are simultaneously displaced to leave the original positions, the two linkage rods cannot be embedded together, and the plug can enter the socket;
the protective door resets through the elastic reset structure after the plug is pulled out.
2. The socket of claim 1, wherein the bottom of the shutter is slidably connected to a first spring, and the other end of the first spring is mounted on a spring seat provided on the base of the shutter mounting box; the second spring is arranged on one side of the protective door shaft, the upper end of the second spring is connected with the protective door shaft, and the lower end of the second spring is arranged in the spring groove.
3. A closed three-prong and two-prong combination jack socket as claimed in claim 1, wherein: the two protective door linkage rods are arranged on each side of the two protective doors.
4. The socket of claim 1, wherein the three-core shutter is a single unit, two positive and negative shutters are made as a single ramp, a small step is provided on the ramp, the ground shutter is connected by extension rods of the positive and negative shutters, the two ramps support the positive and negative shutters, and a third spring is provided in the middle of the three-core shutter.
5. The socket of claim 1, wherein the shutter link is removed to integrate the two-core shutter, a small step is formed on the inclined rail to allow the shutter to slide backward, and the third spring is installed in the spring installation groove of the shutter installation box.
6. The socket of claim 1, wherein the two original inclined rails on both sides of the protective door are changed into one inclined rail, a pivot is arranged at the bottom of the protective door mounting box at the middle position under the protective door device, a top block is arranged under the middle position of the two protective doors, two groups of fifth springs are arranged in a fifth spring seat, one group is arranged at the left side, and the other group is arranged at the right side and is respectively supported at the two side ends of the protective doors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910963587.9A CN110581407B (en) | 2019-10-11 | 2019-10-11 | Socket of closed three-plug and two-plug combined type jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910963587.9A CN110581407B (en) | 2019-10-11 | 2019-10-11 | Socket of closed three-plug and two-plug combined type jack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110581407A CN110581407A (en) | 2019-12-17 |
| CN110581407B true CN110581407B (en) | 2020-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910963587.9A Active CN110581407B (en) | 2019-10-11 | 2019-10-11 | Socket of closed three-plug and two-plug combined type jack |
Country Status (1)
| Country | Link |
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| CN (1) | CN110581407B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110504579B (en) * | 2019-09-05 | 2021-03-09 | 周日暄 | Safety door formed by lever principle |
| CN112054330A (en) * | 2020-09-11 | 2020-12-08 | 王兆福 | Double-protection socket protection door |
| CN112909618B (en) * | 2021-01-21 | 2023-03-21 | 王鹏 | Socket shutter device |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6217353B1 (en) * | 1999-12-01 | 2001-04-17 | Aurise Inc. | Structure of a safety receptacle |
| CN2742601Y (en) * | 2004-10-11 | 2005-11-23 | 深圳市宝安区松岗镒胜制品厂 | Socket safety door device |
| JP4918306B2 (en) * | 2006-08-07 | 2012-04-18 | 神保電器株式会社 | Outlet with safety door |
| FR2932317B1 (en) * | 2008-06-10 | 2010-06-11 | Legrand France | UNIVERSAL POWER SOCKET HAVING A SAFETY SHUTTER. |
| CN201438556U (en) * | 2009-06-05 | 2010-04-14 | 东莞大朗金准电器厂 | Socket safety door device |
| CN101980404B (en) * | 2010-11-26 | 2013-02-20 | 浙江正泰建筑电器有限公司 | Bipolar socket protection door |
| CN103199374B (en) * | 2013-03-18 | 2015-07-15 | 山西培行高科电器有限公司 | Independently-targeted hole-free socket |
| CN107394548A (en) * | 2017-07-14 | 2017-11-24 | 深圳市湖渊电气技术有限公司 | A kind of small five spring hole scoket provided with protection door cradle |
| CN108448300B (en) * | 2018-03-09 | 2019-11-26 | 山西腾行智能科技有限公司 | A kind of totally-enclosed socket |
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2019
- 2019-10-11 CN CN201910963587.9A patent/CN110581407B/en active Active
Also Published As
| Publication number | Publication date |
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| CN110581407A (en) | 2019-12-17 |
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