CN220066214U - Safety socket - Google Patents

Abstract

The safety socket provided by the utility model comprises: the shell comprises a bottom shell and a surface shell unit, wherein the surface shell unit comprises a first shell, and the first shell is arranged above the bottom shell; the first shell is provided with at least one group of two-pin jacks and one group of three-pin jacks; the two-leg jacks comprise a live wire jack and a zero wire jack, and the three-leg jacks comprise a live wire jack, a zero wire jack and a ground wire jack; the ground wire jack is positioned between the live wire jack and the zero wire jack of the two pin jacks; the protective door is arranged below the first shell and is used for sealing the live wire jack and the zero wire jack when the pins are not inserted into the live wire jack and the zero wire jack; a cofferdam is arranged below the first shell, and a ground wire separation cavity is formed in the cofferdam; the ground wire separation cavity is formed at the ground wire insertion hole. Therefore, the problem that in the prior art, the live wire and the ground wire are communicated due to water inflow in the socket, so that the power utilization line is unnecessarily tripped is solved.

Description

Safety socket

Technical Field

The utility model relates to the technical field of sockets, in particular to a safety socket.

Background

The socket is an electrical appliance commonly used in daily life, and if water, conductive liquid and the like enter the socket, safety accidents can be caused, so that users are required to be safe for the socket.

For example, when the pins are not inserted into the sockets, the sockets are required to be in a sealed state, preventing water and conductive liquid from entering the inside of the socket. When the pins are required to be inserted into the jacks to realize electrical connection, the jacks are required to be in an open state, and the pins are allowed to be inserted.

In the prior art, the ground wire plug connector and the live wire plug connector of the socket are easily conducted due to water inlet of the socket, so that current is generated in the ground wire when the ground wire is detected in the power line, unnecessary tripping is caused, and the whole line cannot be normally used.

Accordingly, the prior art still has problems to be solved.

Disclosure of Invention

The utility model mainly aims to provide a safety socket, which aims to solve the problem that in the prior art, the connection of a live wire and a ground wire is easily caused by water inflow in the socket, so that the unnecessary tripping of the live wire is caused.

In order to achieve the above object, the present utility model provides a safety socket, comprising: the shell comprises a bottom shell and a surface shell unit, wherein the surface shell unit comprises a first shell, and the first shell is arranged above the bottom shell; the first shell is provided with at least one group of two-pin jacks and one group of three-pin jacks; the two-leg jacks comprise a live wire jack and a zero wire jack, and the three-leg jacks comprise a live wire jack, a zero wire jack and a ground wire jack; the ground wire jack is positioned between the live wire jack and the zero wire jack of the two pin jacks; the protective door is arranged below the first shell and is used for sealing the live wire jack and the zero wire jack when the pins are not inserted into the live wire jack and the zero wire jack; a cofferdam is arranged below the first shell, and a ground wire separation cavity is formed in the cofferdam; the ground wire separation cavity is formed at the ground wire insertion hole.

Preferably, a cofferdam is formed by extending downwards from the first shell, and the cofferdam is arranged around the ground wire jack.

Preferably, the face shell unit comprises a second shell, the second shell is arranged below the first shell, and the protective door is arranged between the first shell and the second shell; the cofferdam extends upwards from the second shell.

Preferably, the protective door comprises a two-foot jack protective door and a three-foot jack protective door, wherein the two-foot jack protective door is provided with a live wire pushing surface and a zero wire pushing surface; an avoiding part for avoiding the cofferdam is arranged between the live wire pushing surface and the zero wire pushing surface.

Preferably, a ground wire isolation cavity is formed below the second shell, and the ground wire plug connector is arranged in the ground wire isolation cavity; the ground wire isolation cavity is used for isolating the ground wire plug connector from the live wire plug connector in the socket shell, and the cofferdam is formed above the ground wire isolation cavity; the ground wire isolation cavity is communicated with the ground wire isolation cavity.

Preferably, the cofferdam is integrally formed with the second shell.

Preferably, a separation plate is further arranged between the first shell and the second shell, the two-foot jack protection door and the three-foot jack protection door are respectively positioned at two sides of the separation plate, and can slide in the length direction of the separation plate so as to open or close the live wire jack and the zero wire jack.

Preferably, the first shell is provided with a jack wall extending downwards, a live wire jack and a neutral wire jack are formed in the jack wall, and the lower end face of the jack wall is obliquely arranged; the protective door is provided with an inclined pushing surface, and when the plug pins are not inserted into the live wire jack and the zero wire jack, the pushing surface is matched with the lower end surface of the jack wall so as to seal the live wire jack and the zero wire jack.

Preferably, the safety socket comprises a driving piece, and the driving piece is used for driving the protective door to reset so that the pushing surface tightly abuts against the lower end surface of the plug hole wall when the plug pins are not inserted into the live wire jack and the zero wire jack.

Preferably, the driving member is a spring, and the spring is connected with one end of the protective door and is arranged in a downward inclined manner.

Preferably, the driving member is a magnet, the magnet includes a first magnet and a second magnet, and the first magnet and the second magnet attract each other; the first magnet is arranged on the protective door, and the second magnet is arranged on the first shell.

The safety socket provided by the embodiment of the utility model comprises: the shell comprises a bottom shell and a surface shell unit, wherein the surface shell unit comprises a first shell, and the first shell is arranged above the bottom shell; the first shell is provided with at least one group of two-pin jacks and one group of three-pin jacks; the two-leg jacks comprise a live wire jack and a zero wire jack, and the three-leg jacks comprise a live wire jack, a zero wire jack and a ground wire jack; the ground wire jack is positioned between the live wire jack and the zero wire jack of the two pin jacks; the protective door is arranged below the first shell and is used for sealing the live wire jack and the zero wire jack when the pins are not inserted into the live wire jack and the zero wire jack; a cofferdam is arranged below the first shell, and a ground wire separation cavity is formed in the cofferdam; the ground wire separation cavity is formed at the ground wire insertion hole. Therefore, the problem that in the prior art, the live wire and the ground wire are communicated due to water inflow in the socket, so that the power utilization line is unnecessarily tripped is solved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an embodiment of a safety socket according to the present utility model;

FIG. 2 is an exploded view of one embodiment of a safety socket according to the present utility model;

FIG. 3 is another schematic diagram of an embodiment of a safety socket according to the present utility model;

FIG. 4 is a schematic view of a first housing of an embodiment of a safety socket according to the present utility model;

fig. 5 is another schematic diagram of an embodiment of a safety socket according to the present utility model.

Reference numerals illustrate:

reference numerals	Name of the name	Reference numerals	Name of the name
				100	Shell body	210	Two-foot jack protective door
110	Bottom shell	211	Live wire pushing surface
				120	Panel unit	212	Zero line pushing surface
121	First shell body	213	Avoidance part
				121a	Two-pin jack	220	Three-foot jack protective door
121b	Tripod jack	230	Push surface
				121c	Wall of the slot	300	Cofferdam
122	Live wire jack	310	Ground wire separating chamber
				123	Zero line jack	400	Ground wire isolation cavity
124	Ground wire jack	500	Partition plate
				125	Second shell	600	Driving piece
200	Protective door	610	Spring

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The socket is an electrical appliance commonly used in daily life, and if water, conductive liquid and the like enter the socket, safety accidents can be caused, so that users are required to be safe for the socket.

For example, when the pins are not inserted into the sockets, the sockets are required to be in a sealed state, preventing water and conductive liquid from entering the inside of the socket. When the pins are required to be inserted into the jacks to realize electrical connection, the jacks are required to be in an open state, and the pins are allowed to be inserted.

In order to solve the problem, this patent provides a safety socket, aims at solving among the prior art and leads to live wire and ground wire intercommunication because of intaking in the socket easily to lead to the problem of unnecessary tripping operation of power consumption circuit.

For ease of understanding, the following detailed description of embodiments of the utility model is provided with reference to the accompanying drawings.

Referring to fig. 1-3, a safety socket includes: the casing 100, the casing 100 includes a bottom case 110 and a face unit 120, the face unit 120 includes a first casing 121, the first casing 121 is disposed above the bottom case 110; the first housing 121 is provided with at least one set of two-pin insertion holes 121a and one set of three-pin insertion holes 121b; the two-pin jack 121a includes a live wire jack 122 and a neutral wire jack 123, and the three-pin jack 121b includes a live wire jack 122, a neutral wire jack 123 and a ground wire jack 124; the ground wire jack 124 is located between the live wire jack 122 and the neutral wire jack 123 of the two-pin jack 121 a; a protective door 200, the protective door 200 is disposed below the first housing 121, for closing the live wire jack 122 and the neutral wire jack 123 when the pins are not inserted into the live wire jack 122 and the neutral wire jack 123; a cofferdam 300 is arranged below the first shell 121, and a ground wire separation cavity 310 is formed inside the cofferdam 300; a ground wire separation chamber 310 is formed at the ground wire insertion hole 124.

In this embodiment, the safety socket includes a housing 100, the housing 100 includes a bottom shell 110 and a housing unit 120, the housing end member includes a first housing 121, and the first housing 121 is disposed above the bottom shell 110, so that the first housing 121 can prevent a majority of the conductive liquid from entering the safety socket from above the safety socket, and the bottom shell 110 can prevent a majority of the conductive liquid from entering the safety socket from below the safety socket. The first housing 121 is provided with at least one set of two-pin jack 121a and one set of three-pin jack 121b, the two-pin jack 121a includes a live wire jack 122 and a neutral wire jack 123, the three-pin jack 121b includes a live wire jack 122, a neutral wire jack 123 and a ground wire jack 124, the ground wire jack 124 is located between the live wire jack 122 and the neutral wire jack 123 of the two-pin jack 121a, so that the one set of two-pin jack 121a and the one set of three-pin jack 121b occupy the smaller position of the first housing 121, the utilization ratio of the first housing 121 is improved, and therefore more sets of jacks can be arranged on the first housing 121 of a certain size. The protection door 200 is disposed below the first housing 121, and the protection door 200 can close the live wire jack 122 and the neutral wire jack 123 when the pins are not inserted into the live wire jack 122 and the neutral wire jack 123, so that the conductive liquid is effectively prevented from entering the safety socket from the first housing 121. A cofferdam 300 is arranged below the first shell 121, and a ground wire separation cavity 310 is formed inside the cofferdam 300; the ground wire separation chamber 310 is formed at the ground wire insertion hole 124, so that if the conductive liquid inadvertently enters the safety socket, the conductive liquid cannot be communicated with the live wire and the ground wire due to the separation effect of the cofferdam 300, and thus the live wire and the neutral wire cannot be conducted due to water inflow in one socket under the unnecessary condition, and the whole circuit is tripped. Therefore, the scheme of the utility model can solve the problem that in the prior art, the live wire and the ground wire are easily communicated due to water inlet in the socket, so that the power utilization line is unnecessarily tripped.

It should be noted that, the safety socket is realized by the separation effect of the cofferdam 300 to prevent the conductive liquid from communicating the live wire and the ground wire, and the cofferdam 300 has various realization modes. Specific implementation satisfying the above needs the present embodiment is not limited, and for ease of understanding, two preferred implementations are provided.

Mode one.

Alternatively, a cofferdam 300 is formed to extend downward from the first housing 121, the cofferdam 300 being disposed around the ground wire insertion hole 124.

In this embodiment, the dam 300 is formed to extend downward from the first housing 121, and the dam 300 is disposed around the ground wire insertion hole 124 such that the separation of the dam 300 can act on the conductive liquid entering from the first housing 121, thereby preventing the conductive liquid from communicating with the ground wire and the live wire.

And a second mode.

Referring to fig. 2-3, the panel unit 120 includes a second housing 125, the second housing 125 is disposed below the first housing 121, and the protection door 200 is located between the first housing 121 and the second housing 125; the cofferdam 300 is formed to extend upward from the second housing 125.

In this embodiment, the panel unit 120 includes a second housing 125, the second housing 125 is disposed below the first housing 121, the protective door 200 is located between the first housing 121 and the second housing 125, and the cofferdam 300 is formed by extending upward from the second housing 125, so that the separation of the cofferdam 300 can act on the conductive liquid entering from the first housing 121, thereby preventing the conductive liquid from communicating with the electric power and the electric ground. In addition, the second casing 125 is disposed below the first casing 121, so that after the conductive liquid inadvertently enters from the first casing 121, the conductive metal plug connector of the socket can be blocked by the second casing 125, and the conductive metal plug connector of the socket is disposed below the second casing 125, so as to prevent or reduce contact between water and the conductive plug connector, and improve safety of the safety socket.

The second housing 125 may also serve as a supporting member of the barrier door 200, and supports the barrier door 200 when the plug is inserted into the jack to press down the barrier door 200, thereby allowing the barrier door 200 to move under the pushing action of the plug pins to open the jack.

It should be noted that, based on the technical scheme that the protective door 200 and the cofferdam 300 are both disposed below the first housing 121 and the ground wire jack 124 is disposed between the live wire jack 122 and the neutral wire jack 123 of the two-pin jack 121a, there is still a further technical problem that how to avoid mutual interference with the cofferdam 300 when the protective door 200 is pushed, and in order to solve the above problems, the following scheme is further provided.

Referring to fig. 2-3, the guard door 200 includes a two-pin jack guard door 210 and a three-pin jack guard door 220, the two-pin jack guard door 210 having a live wire push surface 211 and a neutral wire push surface 212; an avoidance portion 213 for avoiding the cofferdam 300 is provided between the live wire pushing surface 211 and the neutral wire pushing surface 212.

In this embodiment, the ground wire jack 124 is located between the live wire jack 122 and the neutral wire jack 123, the cofferdam 300 is located at the ground wire jack 124, and an avoiding portion 213 for avoiding the cofferdam 300 is disposed between the live wire pushing surface 211 and the neutral wire pushing surface 212 of the two-foot jack protection door 210, so that the two-foot jack protection door 210 can avoid the cofferdam 300 when being pushed, and thus does not collide with the cofferdam 300.

In order to further improve the effect of the cofferdam 300 in isolating the ground wire from the live wire, the utility model also provides a zero-line embodiment, referring to fig. 2 and 5, in this embodiment, a ground wire isolating cavity 400 is formed below the second housing 125, and a ground wire plug connector is disposed in the ground wire isolating cavity 400; the ground wire isolation cavity 400 is used for isolating the ground wire plug connector from the live wire plug connector in the socket shell 100, and the cofferdam 300 is formed above the ground wire isolation cavity 400; the ground isolation chamber 400 communicates with the ground isolation chamber 310.

In this embodiment, by forming the ground wire isolation cavity 400 below the second housing 125, the ground wire plug connector and the live wire plug connector located in the ground wire isolation cavity 400 are separated, so that under the combined action of the cofferdam 300, the technical effect of preventing the conductive liquid from communicating the live wire and the ground wire can be achieved. In addition, the ground isolation cavity 400 communicates with the ground isolation cavity 310 such that the pins can make contact with the ground connector.

It should be noted that, based on the above-mentioned technical solution that the cofferdam 300 extends upwards from the second housing 125, there is still a further technical problem of how the cofferdam 300 is fixed relative to the second housing 125, and in order to solve the above-mentioned problem, the following solution is further provided.

Referring to fig. 2-3, a weir 300 is integrally formed with second housing 125.

In this embodiment, the cofferdam 300 is integrally formed with the second housing 125, so that the cofferdam 300 can be fixed with respect to the second housing 125. In addition, the cofferdam 300 is integrally formed in the second shell 125, so that when the safety socket is assembled, the assembling step is simpler, the cofferdam 300 is not required to be assembled independently, and the structure of the cofferdam 300 and the second shell 125 which are integrally formed can more effectively prevent the possibility of contact between water and the ground wire plug connector, thereby more effectively avoiding the conduction of the live wire and the ground wire plug connector and avoiding the tripping of a power line.

In the structure of the scheme of the utility model, the ground wire jack is difficult to be singly closed under the condition of closing the zero wire jack and the live wire jack, and the ground wire and the live wire can be isolated by arranging the cofferdam structure, so that even the ground wire jack is not closed, the circuit is not tripped due to water inflow.

It should be noted that, based on the technical solution that the aforementioned protective door 200 includes the two-pin jack protective door 210 and the three-pin jack protective door 220, there is still a further technical problem how to prevent the two-pin jack protective door 210 and the three-pin jack protective door 220 from affecting each other, and in order to solve the aforementioned problem, the following solution is further provided.

Referring to fig. 2-3, a partition plate 500 is further disposed between the first housing 121 and the second housing 125, and the two-foot jack protection door 210 and the three-foot jack protection door 220 are respectively located at two sides of the partition plate 500 and can slide in the length direction of the partition plate 500 to open or close the live wire jack 122 and the neutral wire jack 123.

In this embodiment, a partition plate 500 is further disposed between the first housing 121 and the second housing 125, and the two-foot jack protection door 210 and the three-foot jack protection door 220 are respectively located at two sides of the partition plate 500, so that the two-foot jack protection door 210 and the three-foot jack protection door 220 do not affect each other, and can move along the length direction of the partition plate 500 independently when pushed by the pins, so as to open or close the live wire jack 122 and the neutral wire jack 123.

It should be noted that, the safety socket is to prevent the conductive liquid from entering from the first housing 121 through the protective door 200, and there are various implementations of preventing the conductive liquid from entering from the first housing 121 into the safety socket through the protective door 200. Specific implementation satisfying the above needs the present embodiment is not limited, and for ease of understanding, the present utility model provides a preferred implementation.

Referring to fig. 4, the first housing 121 has a downwardly extending jack wall 121c, and a live jack 122 and a neutral jack 123 are formed inside the jack wall 121c, and a lower end surface of the jack wall 121c is disposed obliquely; the shield door 200 has an inclined push surface 230, and when the plug pins are not inserted into the live wire insertion hole 122 and the neutral wire insertion hole 123, the push surface 230 is engaged with the lower end surface of the insertion hole wall 121c to close the live wire insertion hole 122 and the neutral wire insertion hole 123.

In this embodiment, by the engagement of the inclined push surface 230 on the shield door 200 with the inclined lower end surface on the jack wall 121c, the shield door 200 is able to close the live jack 122 and the neutral jack 123 when the plug pins are not inserted into the jack, preventing conductive liquid from entering the safety socket from the first housing 121.

In order to enable the protective door 200 to stably close the live and neutral jacks 122 and 123 when the pins are not inserted into the live and neutral jacks 122 and 123, the present utility model provides a preferred implementation, referring to fig. 2, the safety socket includes a driving member 600, and the driving member 600 is used to drive the protective door 200 to reset so that the pushing surface 230 closely abuts against the lower end surface of the jack wall 121c when the plug pins are not inserted into the live and neutral jacks 122 and 123.

In this embodiment, the safety socket includes a driving member 600 such that when the pins are not inserted into the live and neutral jacks 122 and 123, the driving member 600 can drive the protective door 200 to close the live and neutral jacks 122 and 123.

It should be noted that, the protection door 200 is implemented by the driving member 600 to close the live wire jack 122 and the neutral wire jack 123, and the driving member 600 has various implementations. Specific implementation satisfying the above needs the present embodiment is not limited, and for ease of understanding, two preferred implementations are provided.

Mode one.

Referring to fig. 2, the driving member 600 is a spring 610, and the spring 610 is connected to one end of the protection door 200 and is disposed obliquely downward.

In this embodiment, the driving member 600 is configured as a spring 610, and the spring 610 is connected to one end of the protection door 200 and is disposed obliquely downward, so that, when the pins are not inserted into the live wire jack 122 and the neutral wire jack 123, the spring 610 can make the pushing surface 230 of the protection door 200 tightly abut against the lower end surface of the jack wall 121c, thereby realizing the technical effect of closing the live wire jack 122 and the neutral wire jack 123.

And a second mode.

Optionally, the driving member 600 is a magnet, the magnet including a first magnet and a second magnet, the first magnet and the second magnet being attracted to each other; the first magnet is disposed on the protective door 200, and the second magnet is disposed on the first housing 121.

In this embodiment, the driving member 600 is a magnet, and the magnet includes a first magnet and a second magnet, and the first magnet and the second magnet attract each other; the first magnet is disposed on the protective door 200, and the second magnet is disposed on the first housing 121, so that, when the pins are not inserted into the live wire jack 122 and the neutral wire jack 123, the pushing surface 230 of the protective door 200 tightly abuts against the lower end surface of the jack wall 121c, thereby realizing the technical effect of sealing the live wire jack 122 and the neutral wire jack 123.

In summary, the safety socket provided by the embodiment of the present utility model includes: the casing 100, the casing 100 includes a bottom case 110 and a face unit 120, the face unit 120 includes a first casing 121, the first casing 121 is disposed above the bottom case 110; the first housing 121 is provided with at least one set of two-pin insertion holes 121a and one set of three-pin insertion holes 121b; the two-pin jack 121a includes a live wire jack 122 and a neutral wire jack 123, and the three-pin jack 121b includes a live wire jack 122, a neutral wire jack 123 and a ground wire jack 124; the ground wire jack 124 is located between the live wire jack 122 and the neutral wire jack 123 of the two-pin jack 121 a; a protective door 200, the protective door 200 is disposed below the first housing 121, for closing the live wire jack 122 and the neutral wire jack 123 when the pins are not inserted into the live wire jack 122 and the neutral wire jack 123; a cofferdam 300 is arranged below the first shell 121, and a ground wire separation cavity 310 is formed inside the cofferdam 300; a ground wire separation chamber 310 is formed at the ground wire insertion hole 124. Therefore, the problem that in the prior art, the live wire and the ground wire are communicated due to water inflow in the socket, so that the power utilization line is unnecessarily tripped is solved.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (11)

1. A safety socket, comprising:

the shell comprises a bottom shell and a shell unit, wherein the shell unit comprises a first shell, and the first shell is arranged above the bottom shell; the first shell is provided with at least one group of two-pin jacks and one group of three-pin jacks; the two-pin jack comprises a live wire jack and a zero wire jack, and the three-pin jack comprises a live wire jack, a zero wire jack and a ground wire jack; the ground wire jack is positioned between the live wire jack and the zero wire jack of the two-pin jack;

the protective door is arranged below the first shell and is used for sealing the live wire jack and the zero wire jack when the pins are not inserted into the live wire jack and the zero wire jack;

a cofferdam is arranged below the first shell, and a ground wire separating cavity is formed in the cofferdam; the ground wire separation cavity is formed at the ground wire jack.

2. The safety receptacle of claim 1, wherein said cofferdam is formed by extending downwardly from said first housing, said cofferdam being disposed about said ground jack.

3. The safety receptacle of claim 1, wherein the face-piece unit includes a second housing disposed below the first housing, the protective door being located between the first housing and the second housing; the cofferdam extends upwards from the second shell.

4. A safety receptacle according to any one of claims 1 to 3 wherein the guard doors include a two-pin jack guard door and a three-pin jack guard door, the two-pin jack guard door having a live wire push surface and a neutral wire push surface; and an avoiding part for avoiding the cofferdam is arranged between the live wire pushing surface and the zero line pushing surface.

5. A safety socket according to claim 3, wherein a ground wire isolation cavity is formed below the second housing, and a ground wire plug is disposed in the ground wire isolation cavity; the ground wire isolation cavity is used for isolating the ground wire plug connector from the live wire plug connector in the socket shell, and the cofferdam is formed above the ground wire isolation cavity; the ground wire isolation cavity is communicated with the ground wire isolation cavity.

6. The safety receptacle of claim 5, wherein said cofferdam is integrally formed with said second housing.

7. The safety socket according to claim 3, wherein a partition plate is further provided between the first housing and the second housing, and the two-pin jack protection door and the three-pin jack protection door are respectively located at both sides of the partition plate and can slide in a length direction of the partition plate to open or close the live wire jack and the neutral wire jack.

8. The safety receptacle of claim 1, wherein said first housing has a downwardly extending jack wall, said jack wall defining internally a live jack and a neutral jack, a lower end face of said jack wall being disposed at an incline;

the protective door is provided with an inclined pushing surface, and when the plug pins are not inserted into the live wire jack and the zero wire jack, the pushing surface is matched with the lower end surface of the jack wall so as to seal the live wire jack and the zero wire jack.

9. The safety receptacle of claim 8, including a driver for driving the guard gate back to rest against the lower end face of the receptacle wall when the plug pins are not inserted into the live and neutral receptacles.

10. The safety receptacle of claim 9, wherein the driving member is a spring connected to one end of the protective door and disposed to be inclined downward.

11. The safety receptacle of claim 9, wherein the driver is a magnet, the magnet comprising a first magnet and a second magnet, the first magnet and the second magnet being attracted to each other;

the first magnet is arranged on the protective door, and the second magnet is arranged on the first shell.