CN210723506U - Power strip - Google Patents

Abstract

The utility model provides a power strip, which relates to the technical field of electric appliances and is used for solving the technical problem that users have electric shock when the existing power strip is used, and the power strip comprises a power strip body, a power line and a protection piece; the top of the protection piece is provided with a protection surface, the inside of the protection piece is provided with an accommodating cavity, the side of the accommodating cavity is provided with at least one opening, the power strip body and the opening are correspondingly arranged, the power strip body is accommodated in the accommodating cavity through the opening, the first end of the power line is detachably connected with the power strip body, and the second end of the power line extends out of the accommodating cavity. The embodiment of the utility model provides a row of inserting is used for preventing that liquid such as water from falling into the row of inserting, and can cut off the power supply when plug power plug, prevents that the user from electrocuting, and factor of safety is high.

Description

Power strip

Technical Field

The utility model relates to the technical field of electrical apparatus, especially, relate to a power strip.

Background

The power strip is an important electrical appliance in work and life and is used for providing power for electrical devices such as televisions, air conditioners and the like.

The power strip comprises a power strip body and a power line connected with the power strip body, wherein the power strip body comprises a shell and a plurality of groups of metal sheets arranged in the shell, the shell is provided with plug holes in one-to-one correspondence with the metal sheets, the metal sheets are connected with the power line, and the power line is used for being connected with a power supply. When the power strip is used, a power plug of an electric device is plugged in the plugging hole on the shell, so that a metal sheet of the power plug is connected with a metal sheet in the power strip, and the electric device is powered.

However, the conventional socket is easy to generate electric leakage, short circuit and other conditions in the using process, and has low safety.

SUMMERY OF THE UTILITY MODEL

In view of the above problem, the utility model provides an insert row, this row's of inserting security is high.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:

the utility model provides an insert row, it includes: the socket comprises a socket body, a power line and a protection piece; the top of the protection piece is provided with a protection surface, the inside of the protection piece is provided with an accommodating cavity, the side of the accommodating cavity is provided with at least one opening, the power strip body and the opening are correspondingly arranged, the power strip body is accommodated in the accommodating cavity through the opening, the first end of the power line is detachably connected with the power strip body, and the second end of the power line extends out of the accommodating cavity.

The socket as described above, wherein the edge of the guard face extends outside the side wall of the guard.

The power strip as described above, wherein the protection surface is disposed at an included angle with the horizontal surface.

The socket as described above, wherein the protection surface comprises: the first sub-surface and the second sub-surface are connected with each other at the edges of the second sub-surface and arranged at an included angle with the horizontal plane.

The power strip as described above, wherein the protection element further includes a threading hole, the opening and the threading hole are located in different directions of the protection element, and the power cord extends to the outside of the accommodating cavity through the threading hole.

The socket as described above, wherein the socket further comprises: the connector is fixed opposite to the protection part, and a first end of the power line passes through the threading hole and then is connected with the connector; the power strip body is provided with an electric connection part which can be connected to the connecting piece so as to connect the power strip body with the power line.

The socket as described above, wherein the connector has a socket hole along an axial direction thereof; the electric connection part comprises a conductive part protruding out of the outer wall surface of the socket body, the first end of the conductive part is correspondingly connected with the electric contact in the socket body, and the second end of the conductive part can be plugged with the plugging hole.

The socket as described above, wherein the connector has a plurality of connectors and different connectors are used to connect to different electrical contacts within the socket body.

The socket as described above, wherein the socket body slides relative to the inner wall of the accommodating cavity along the direction of the opening.

The socket as described above, wherein the outer wall surface of the socket body is provided with a first guide portion protruding outward, the accommodating cavity has a second guide portion matching with the first guide portion, the first guide portion and the second guide portion both extend along the opening direction of the accommodating cavity, and the first guide portion can slide along the extending direction relative to the second guide portion.

Compared with the prior art, the embodiment of the utility model provides an insert row has following advantage: the row of inserting includes: the protection piece is internally provided with an accommodating cavity for accommodating the power strip body, and the top of the protection piece is provided with a protection surface, so that the protection piece can protect the power strip body in the process of using the power strip and prevent conductive liquid such as water from falling onto the power strip to cause short circuit and power failure of the power strip; further, the connection can be dismantled with the row's of inserting body to the first end of power cord, and the second end of power cord stretches out the outside that is used for being connected with the power to the holding chamber, and when the power plug of electrical apparatus such as plug TV, air conditioner, can dismantle the row's of inserting body from the first end of power cord, at this moment, the row's of inserting body is in the outage state, has solved the user of service and has electrocuted the potential safety problem of hidden danger when plug, and the security is high.

In addition to the technical problems solved by the embodiments of the present invention, the technical features constituting the technical solutions, and the advantages brought by the technical features of the technical solutions, further detailed descriptions will be made in specific embodiments for other technical problems that can be solved by the socket provided by the embodiments of the present invention, other technical features included in the technical solutions, and advantages brought by the technical features.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a first schematic structural diagram of a power strip provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram ii of a socket according to an embodiment of the present invention;

FIG. 3 is a schematic view of the guard of FIGS. 1 and 2;

FIG. 4 is a schematic cross-sectional view of FIG. 1;

FIG. 5 is a schematic view of a portion of the structure of FIG. 4;

fig. 6 is a schematic view of a connection structure of the connector and the conductive portion.

Reference numerals:

10: a socket body;

11: a conductive portion;

12: a first guide part;

20: a power line;

30: a guard;

31: a protective surface;

311: a first sub-surface;

312: a second sub-surface;

32: an accommodating cavity;

321: an opening;

322: a second guide part;

33: threading holes;

34: a connecting member;

341: and (7) inserting holes.

Detailed Description

In order to make the above objects, features and advantages of the embodiments of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the work life, electrical apparatus such as TV, computer all need be connected with the power through the power plug on its self power cord that carries, when the length that its self carried the power cord is not enough with power plug and power connection, can be connected through the row of inserting, the power plug on self power cord that carries promptly pegs graft on the row of inserting, power plug on the row of inserting power cord is connected with the power. In the use, the power strip is usually exposed in the air, and conductive media such as water or dust easily fall into the power strip, lead to the power strip electric leakage short circuit, simultaneously, when the user is in plug electrical apparatus power plug, the sheetmetal on the easy contact plug electrocutes, and factor of safety is low.

To solve the above problem, fig. 1 is a first schematic structural diagram of a power strip provided in an embodiment of the present invention, fig. 2 is a second schematic structural diagram of a power strip provided in an embodiment of the present invention, please refer to fig. 1 and fig. 2, this embodiment provides a power strip, which includes: a socket body 10, a power cord 20, and a protector 30; the top of the protection member 30 has a protection surface 31, the interior of the protection member 30 has an accommodating cavity 32, the side of the accommodating cavity 32 has at least one opening 321, the socket body 10 and the opening 321 are correspondingly disposed, the socket body 10 is accommodated in the accommodating cavity 32 through the opening 321, the first end of the power cord 20 is detachably connected to the socket body 10, and the second end of the power cord 20 extends out of the accommodating cavity 32.

Specifically, the power strip is used for connecting an electric appliance and a power supply and providing electric power for the electric appliances such as televisions, computers and the like. The row of inserting includes: the power strip body 10, the power cord 20, and the guard 30. The socket body 10 includes: the shell is provided with a socket hole which corresponds to the at least one group of electric contacts one to one, and the power plug is electrically connected with the electric contacts by being plugged in the socket hole. The number of the socket holes in each group can be two or three.

The housing may be a cube having a rectangular cross section, or a cylindrical body having a circular cross section, or may have other practical configurations. The housing may be made of plastic, and has low cost, light weight, and insulating property, so as to prevent the user from getting electric shock when touching the socket body 10. The electric contact is used for communicating a power supply and an electric appliance and is made of conductive materials, such as copper or copper-plated metal materials. The electrical contacts may be plate-shaped or cylindrical. Taking an example that a group of electrical contacts includes three contacts, each contact may include two sub-connectors arranged side by side, and an accommodation gap is formed between the two sub-connectors, and the accommodation gap is smaller than the thickness of a metal sheet corresponding to the electrical appliance power plug, so that the electrical appliance power plug can be reliably connected with the electrical contacts of the power strip after the metal sheet is inserted between the two sub-connectors.

The power line 20 is used for connecting the electrical contact and the power supply in the socket body 10, the power line 20 may include a connecting line and an insulating member wrapped outside the connecting line, the connecting line may be made of copper or a conductive metal such as copper plating, the insulating member may be made of rubber, and the insulating member prevents a user from touching the power line 20 to get an electric shock.

The second end of the power line 20 is provided with a power plug which can be connected with a power supply, the first end of the power line 20 is used for being electrically connected with an electric contact in the power strip body 10, in order to prevent safety accidents that a user touches a metal sheet to get an electric shock when plugging and unplugging the power plug of an electric appliance, optionally, the power line 20 and the power strip body 10 can be detachably connected, so that the user can disconnect the power strip body 10 from the power line 20 firstly when plugging and unplugging the power plug of the electric appliance, the power strip body 10 is in a power-off state, and the user cannot get an electric shock accident under the condition of mistakenly touching the metal sheet. The power cord 20 may be hooked to the socket body 10 by a hook or may be bound by a binding member.

Further, the socket of the present embodiment further includes a protection member 30, the protection member 30 has a receiving cavity 32 for receiving the socket body 10, the socket body 10 is connected to the first end of the power cord 20, and the second end of the power cord 20 extends out of the protection member 30 and is connected to a power source, so as to prevent the socket body 10 from being directly exposed to air; meanwhile, the top of the protection member 30 has a protection surface 31, for example, when a user drinks water or transfers a conductive medium such as water, if the conductive medium such as water topples near the power strip, the conductive medium such as water can be toppled over on the protection surface 31, so as to prevent the conductive medium from directly toppling over on the power strip body 10 to cause short circuit of electric leakage, thereby forming protection for the power strip. The protection surface 31 may be a plane parallel to the horizontal plane.

The guard 30 may be of a split type including a body and a cap connected to the body; the accommodating cavity 32 is disposed on the body, and the accommodating cavity 32 has at least one opening 321 formed at the top and the side of the body; the protective face 31 is formed on the top of the cover and the cover is used to close the opening 321 in the top of the body. Illustratively, the side of the body may also have an opening 321, and the opening 321 is used for taking out or placing the socket body 10, and the power cord 20 may also be connected with the socket body 10 through the opening 321. The opening 321 at the top of the body can also be used to take out or place the socket body 10, for example, when the socket body 10 is locked at the opening 321 at the side of the body, a user can open the cover to take out the socket body 10 from the opening 321 at the top of the body.

It is understood that the protection component 30 may also be a unitary structure, specifically, the protection component 30 has a receiving cavity 32 therein, and the receiving cavity 32 has an opening 321 on a sidewall of the protection component 30, and the socket body 10 can be placed in the receiving cavity 32 or taken out of the receiving cavity 32 through the opening 321.

Further, the number of the accommodating cavities 32 corresponds to the number of the socket bodies 10, and in the embodiment, at least one accommodating cavity 32 may be formed in the protection member 30.

In order to facilitate the user to observe the connection status of the power plug of the electrical appliance, the cover of the protection member 30 or the top of the protection member 30 may be made of a transparent material, and the material of the transparent material may be glass or Polyvinyl chloride (PVC).

When the power strip provided by the embodiment connects the electrical appliances such as a television and an air conditioner to a power supply, the protection part 30 can protect the power strip body 10 and prevent conductive liquid such as water from falling onto the power strip to cause short circuit and power failure of the power strip; further, the first end of power cord 20 and row of inserting body 10 can be dismantled and be connected, and the second end of power cord 20 stretches out the outside that is used for being connected with the power to holding chamber 32, when the power plug of electrical apparatus such as plug TV, air conditioner, can dismantle row of inserting body 10 from the first end of power cord 20, and at this moment, row of inserting body 10 is in the outage state, avoids the user to contact the sheetmetal and electrocute when plug power plug.

Optionally, a switch for connecting or disconnecting the internal electrical contacts may be further disposed on the socket body 10, and for example, a bus connected to each set of electrical contacts may be disposed at an end of the socket body 10 facing away from the power cord 20, and the switch is connected to the bus. When the socket body is received in the receiving cavity 32, the switch may be located at one end of the opening 321. Before the user takes the power strip body 10, can be earlier through the switch outage, then take the power strip body again, user can be at first connect power strip body 10 and power cord 20 when acceping power strip body 10, and power strip body 10 still is in the outage state this moment, and after power strip body 10 and power cord 20 are reliably connected, can form the dual protection to user's personnel through the switch power transmission for power strip body 10, factor of safety is high.

When the conductive medium such as water is poured onto the protection component 30, the protection surface 31 guides the conductive medium to slide off from the sidewall of the protection component 30, and in order to prevent the conductive medium from falling into the receiving cavity 32 from the opening 321 on the side of the receiving cavity 32, optionally, as shown in fig. 1 and fig. 2, the edge of the protection surface 31 extends to the outside of the sidewall of the protection component 30. The width of the protection surface 31 extending out of the side wall of the protection member 30 may be 1cm to 5cm, and the height from the edge of the protection surface 31 to the bottom surface of the protection member 30 may be greater than or equal to the height from the top surface of the accommodating cavity 32 to the bottom surface of the protection member 30, so as to facilitate the receiving or taking of the socket body 10 from the opening 321.

Further, the edge of the protection face 31 may be formed at the outer circumference of the protection member 30 to form multi-angle protection to the protection member 30, and the edge of the protection face 31 may be formed only on the side wall having the opening 321 for cost reduction.

After the conductive medium falls on the protection surface 31, the protection surface 31 may form an included angle with the horizontal plane in order to make the conductive medium slide down by itself. The conductive medium can automatically slide off the protective surface 31 by means of the gravity of the conductive medium, and the use is convenient. The side of the protection surface 31 with the lower height may be located on the side of the protection member 30 having the opening 321, or may be located on the side wall adjacent to the side of the protection member 30 having the opening 321.

Further, when the conductive medium topples over the protection surface 31, in order to prevent most of the conductive medium from slipping off from the side of the protection element 30 with the opening 321, the conductive medium is splashed, and then the splashed conductive medium falls into the socket body 10 from the opening 321, the protection surface 31 may have a plurality of sub-surfaces, and the sub-surfaces are connected with each other to form shunting of the conductive medium, so that the protection effect is optimized. By way of example, the protective surface 31 may comprise six partial surfaces which are connected to one another and form a conical protective surface 31, so that the conductive medium can slide off uniformly in all directions. Meanwhile, the area of the sub-surface corresponding to the side where the opening 321 is arranged may be smaller than the area of the other sub-surfaces, so as to reduce the conductive medium slipping off from the sub-surface corresponding to the side where the opening 321 is arranged, and reduce the possibility that the conductive medium splashes from the opening 321 onto the socket body 10.

Alternatively, with continued reference to fig. 1 and 2, the protective surface 31 may include: at least one first sub-surface 311 and at least one second sub-surface 312, the edges of the first sub-surface 311 and the second sub-surface 312 are connected with each other, and are arranged at an included angle with the horizontal plane. The first sub-surface 311 may correspond to a side of the shielding member 30 where the opening 321 is disposed, an edge of the first sub-surface 311 extends outside a sidewall of the shielding member 30, and the second sub-surface 312 may be located adjacent to or opposite to the first sub-surface 311 to form a shunt for the conductive medium.

Further, the number of the first sub-surface 311 and the second sub-surface 312 may be one or more, and is set according to actual needs. The protection surface 31 may further include a connection surface connecting the first sub-surface 311 and the second sub-surface 312, the connection surface may be disposed at an included angle with the horizontal surface, and optionally, the connection surface may be parallel to the vertical surface, wherein the connection surface may be connected with the side wall of the protection member 30 to form a plane, and may also extend out of the side surface of the protection member 30.

The power cord 20 may be connected to the socket body 10 through the opening 321 for receiving the socket body 10, optionally, fig. 3 is a schematic structural view of the protection member in fig. 1 and fig. 2, please refer to fig. 3, optionally, the protection member 30 may further include a threading hole 33, the opening 321 and the threading hole 33 are located in different directions of the protection member 30, and the power cord 20 extends to the outside of the accommodating cavity 32 through the threading hole 33.

Specifically, the threading hole 33 may be disposed on a side wall adjacent to the opening 321, and considering that the socket body 10 can be received or taken from the opening 321, the power cord 20 may be connected to an end of the socket body 10 away from the opening 321, and the threading hole 33 may also be disposed on a side wall opposite to the opening 321.

The size of the threading hole 33 may be smaller than the size of the opening 321, for example, the threading hole 33 matches with the outer diameter of the power cord 20.

In addition, the structure of the threading hole 33 can also be applied to other situations, for example, when the protection surface 31 forms an included angle with the horizontal plane, the protection member 30 can also be provided with the threading hole 33, at this time, the opening 321 and the threading hole 33 can be located in different directions of the protection member 30, and the power cord 20 extends to the outside of the accommodating cavity 32 through the threading hole 33.

Fig. 4 is a schematic cross-sectional structure of fig. 1, fig. 5 is a schematic partial structure of fig. 4, fig. 6 is a schematic connection structure of a connecting element and a conductive part, please refer to fig. 4, fig. 5 and fig. 6, in order to realize the detachable connection between the power line 20 and the socket body 10, the socket may further include: a connector 34 fixed opposite to the protection member 30, wherein the first end of the power cord 20 passes through the threading hole 33 and then is connected with the connector 34; the socket body 10 has an electrical connection portion that can be connected to a connector 34 to connect the socket body 10 and the power cord 20. The connecting member 34 may be made of metal material such as copper or copper plating, and the connecting member 34 may be disposed inside the accommodating cavity 32 in order to prevent a user from touching the connecting member 34 during the accommodating or taking process.

Further, the connecting member 34 may be an elastic member, for example, the connecting member 34 may be a coil spring or a C-shaped spring, one end of the connecting member 34 is connected to the inner wall of the accommodating cavity 32, and the other end of the connecting member 34 is suspended in the accommodating cavity 32; and the first end of the power cord 20 can be connected with the connecting piece 34 by welding or binding through the threading hole 33. The socket may further include a fixing member, such as a snap or an attracting member such as a magnet, for connecting the socket body 10 and the protection member 30. The electric connection portion can be coated on the outer wall surface of the power strip body 10, when a user accommodates the power strip body 10 in the accommodating cavity 32, the fixing member can connect the power strip body 10 in the accommodating cavity 32, and the electric connection portion on the power strip body 10 can abut against the connecting member 34, so that the electric connection portion and the power line 20 are in an electric connection state, and the power strip is reliably connected and is easy to detach.

Optionally, the socket body 10 may also be connected to the connecting element 34 in an inserting manner, so that the operation is convenient, wherein, referring to fig. 6, the connecting element 34 may have an inserting hole 341 along the axial direction thereof; the electrical connection portion may include a conductive portion 11 protruding from an outer wall surface of the socket body 10, a first end of the conductive portion 11 is connected to the electrical contact in the socket body 10, and a second end of the conductive portion 11 is capable of being plugged into the plugging hole 341.

Specifically, the connecting member 34 may be in a cylindrical shape, the connecting member 34 may be connected to the side wall of the accommodating cavity 32 through an end portion thereof, the other end of the connecting member 34 may have an insertion hole 341 along the axis direction thereof, and a gap may be provided between the connecting member 34 and the bottom surface of the accommodating cavity 32, so as to prevent a situation such as a leakage short circuit caused by a contact between a conductive medium such as water and the like after entering the accommodating cavity 32 and the connecting member 34. Meanwhile, the electrical connection portion of the socket body 10 has a conductive portion 11 that is in plug-in fit with the plug-in hole 341, and when the socket body 10 is accommodated in the accommodating cavity 32, the conductive portion 11 can be plugged in the plug-in hole 341 to connect the power supply and the socket.

The electrical connection portion may include an extension portion of the electrical contact, which may be located inside the housing of the socket body 10, and a conductive portion connected to the extension portion, which is located outside the housing. The cross-sectional shape of the conductive part 11 may be the same as the cross-sectional shape of the insertion hole 341, or the cross-sectional shape of the conductive part 11 may be different from the cross-sectional shape of the insertion hole 341, as long as there is a contact point after the conductive part 11 is inserted into the insertion hole 341. For example, the cross-sectional shape of the insertion hole 341 may be a circle, the cross-sectional shape of the conductive portion 11 may be a square, a corner of the square has a chamfer with the same size as the radius of the circle, and after the conductive portion 11 is inserted into the insertion hole 341, the chamfer is electrically connected with the connecting member 34, which is low in cost.

To facilitate centering, the conductive part 11 is quickly slid into the insertion hole 341, and the end of the conductive part 11 and/or the opening of the insertion hole 341 may be provided with a lead-in portion. For example, the end of the conductive portion 11 has a circular arc introduction surface.

It will be appreciated that the connector 34 may be provided in plurality, with different connectors 34 for connecting to different electrical contacts within the socket body 10. That is, each set of electrical contacts can extend out of the housing of the socket body 10, and an electrical connection portion is provided to connect with the connecting member 34, and at this time, the number of the connecting members 34 corresponds to the number of the sets of electrical contacts.

In order to reduce the volume of the socket, each set of electrical contacts may also be connected to each other and to the connecting member 34 via the same electrical connection, in which case the number of connecting members 34 may be one.

Further, the user can place the socket body 10 in the accommodating cavity 32 through the opening 321 as described above, and a positioning buckle may be disposed between the accommodating cavity 32 and the socket body 10, so that the socket body 10 is fixed in the accommodating cavity 32 by the positioning buckle after the socket body 10 moves to the preset position. The power strip body 10 can slide relative to the inner wall of the accommodating cavity 32 along the direction of the opening 321, so that a user can push the power strip body 10 conveniently.

Further, in order to facilitate centering and enable the connection member 34 and the electrical connection portion to be accurately connected, referring to fig. 1 and 3, the outer wall surface of the socket body 10 is provided with a first guide portion 12 protruding outward, the accommodating cavity 32 is provided with a second guide portion 322 matching with the first guide portion 12, the first guide portion 12 and the second guide portion 322 both extend along the opening 321 of the accommodating cavity 32, and the first guide portion 12 can slide along the extending direction relative to the second guide portion 322.

The first guide portion 12 and the second guide portion 322 are correspondingly disposed, for example, the first guide portion 12 may be disposed on any sidewall of the socket body 10, and then the second guide portion 322 is disposed on a sidewall of the accommodating cavity 32 corresponding to the sidewall.

Considering that the size, shape, etc. of the electrical power plug are not uniform, and the edge of the electrical power plug may extend to the outside of the socket body 10, in this embodiment, the first guiding portion 12 is disposed on the bottom wall of the socket body 10, and the second guiding portion 322 is correspondingly disposed on the bottom wall of the accommodating cavity 32.

The cross-sectional shape of the first guide portion 12 is the same as that of the second guide portion 322, and may be rectangular, arc, dovetail, or the like, as long as relative sliding along the extending direction thereof is achieved. And the number of the first guiding portions 12 corresponds to the number of the second guiding portions 322, and may be at least one.

The embodiments or implementation modes in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.

In the description of the present specification, reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "example", "specific example", or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (10)

1. A power strip, comprising: the socket comprises a socket body, a power line and a protection piece;

the top of the protection piece is provided with a protection surface, the inside of the protection piece is provided with an accommodating cavity, the side of the accommodating cavity is provided with at least one opening, the power strip body and the opening are correspondingly arranged, the power strip body is accommodated in the accommodating cavity through the opening, the first end of the power line is detachably connected with the power strip body, and the second end of the power line extends out of the accommodating cavity.

2. The strip of claim 1, wherein edges of said guard surface extend outside of side walls of said shield.

3. The strip of claim 1 or 2, wherein the guard surface is disposed at an angle to the horizontal.

4. The socket of claim 3, wherein the guard surface comprises: the first sub-surface and the second sub-surface are connected with each other at the edges of the second sub-surface and arranged at an included angle with the horizontal plane.

5. The strip of claim 1 or 2, wherein the guard further comprises a threading hole, the opening and the threading hole being located in different directions of the guard, the power cord extending to the outside of the receiving cavity via the threading hole.

6. The power strip of claim 5, further comprising: the connector is fixed opposite to the protection part, and a first end of the power line passes through the threading hole and then is connected with the connector;

the power strip body is provided with an electric connection part which can be connected to the connecting piece so as to connect the power strip body with the power line.

7. The strip of claim 6 wherein said connector has a socket hole along its axis;

the electric connection part comprises a conductive part protruding out of the outer wall surface of the socket body, the first end of the conductive part is correspondingly connected with the electric contact in the socket body, and the second end of the conductive part can be plugged with the plugging hole.

8. The socket of claim 7 wherein the connector has a plurality of connectors and different connectors are used to connect to different electrical contacts within the socket body.

9. The socket of claim 8, wherein said socket body slides relative to said receiving cavity inner wall in the direction of said opening.

10. The socket of claim 9, wherein the outer wall of the socket body is provided with a first guide portion protruding outward, the receiving cavity has a second guide portion cooperating with the first guide portion, the first guide portion and the second guide portion both extend along an opening direction of the receiving cavity, and the first guide portion is slidable relative to the second guide portion along the extending direction.

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