CN214313781U - Extension socket and extension socket with switch - Google Patents

Abstract

The embodiment of the utility model relates to the technical field of extension socket, in particular to an extension socket and an extension socket with a switch, wherein the extension socket comprises an extension socket box, a power line, at least one socket unit and at least one switch installation unit which are arranged on the extension socket box, and the power line is connected with one end of the extension socket box and comprises a first lead and a second lead; the socket unit comprises a first terminal and a second terminal which are arranged in the extension socket, and the first terminal is electrically connected with the first lead; the switch installation unit comprises a first plugging portion and a second plugging portion which are arranged in the extension socket and are used for being electrically contacted with the pins of the plugging switch, the first plugging portion is electrically connected with the second lead, and the second plugging portion is electrically connected with at least one second wiring terminal. In this way, the utility model discloses the row who inserts can dismantle change switch has improved the life who inserts effectively.

Description

Extension socket and extension socket with switch

Technical Field

The embodiment of the utility model provides a relate to row and insert technical field, concretely relates to row inserts and takes switch to arrange and insert.

Background

The existing extension socket controls the on and off of current on a metal piece by arranging a switch on a main body, and the switch is easy to damage after being used for a long time. Because the switch of current row's socket is through using the welding wire tin wire on the metalwork, when the switch damages, probably lead to the metalwork not circular telegram or always circular telegram can't break off, and because the welding of the inside wire of switch for the maintenance and the change difficulty of switch.

SUMMERY OF THE UTILITY MODEL

In view of the above problem, the embodiment of the utility model provides an arrange and insert to can realize arranging to insert and can dismantle change switch, improve the life who arranges to insert effectively.

According to an aspect of the embodiments of the present invention, there is provided an extension socket, including: the power supply line is connected to one end of the power strip box and comprises a first lead and a second lead; the socket unit comprises a first terminal and a second terminal which are arranged in the extension socket, and the first terminal is electrically connected with the first lead; the switch installation unit is used for installing a plug switch, and comprises a first plugging portion and a second plugging portion which are arranged in the extension socket and are electrically contacted with the pins of the plug switch, wherein the first plugging portion is electrically connected with the second lead, and the second plugging portion is electrically connected with at least one second wiring terminal.

In an optional mode, the switch mounting unit includes a mounting opening disposed on the socket box, and the size of the mounting opening is adapted to the outer contour of the plug switch, and is used for accommodating and fixing the plug switch.

In an optional manner, the switch mounting unit further includes a first socket and a second socket, which are disposed on the socket box, the first socket and the first insertion portion are disposed correspondingly, and the second socket and the second insertion portion are disposed correspondingly.

In an optional mode, the switch mounting unit further includes a mounting groove disposed on the socket box, and the first socket and the second socket are disposed at the bottom of the mounting groove.

In an optional mode, be equipped with joint portion on at least one inside wall of mounting groove, joint portion be used for with it is fixed to pull out the switch joint of inserting.

In an optional mode, the first insertion part comprises a first metal elastic sheet; and/or the second plug part comprises a second metal elastic sheet.

In an alternative mode, the switch mounting unit is arranged at a position close to the end part of one side of the extension socket box; or

The switch installation unit is arranged on one side of the socket unit and corresponds to the position of the socket unit.

According to the utility model discloses another aspect of embodiment provides a take switch to arrange and insert, arrange including above-mentioned arbitrary mode and insert to and pull out and insert the switch, pull out and insert the switch and include that main part and two are participated in, two participate in and be fixed in the one side of main part, pull out and insert switch detachably peg graft in switch installation unit, two participate in respectively with first grafting portion reaches second grafting portion electrical contact.

In an optional mode, two opposite side walls of the plugging switch are provided with elastic buckles,

the switch mounting unit comprises a mounting opening arranged on the socket box, the size of the mounting opening is matched with the outer contour of the pluggable switch, and the elastic buckle is clamped with the inner wall of the socket box at the edge of the mounting opening; or

The switch installation unit is including setting up mounting groove on the box is inserted to the row, the mounting groove is equipped with joint portion on at least one inside wall, the elasticity buckle with joint portion block is connected.

In an optional mode, the pluggable switch comprises one or any combination of a boat-shaped switch, a key switch, a boat-shaped switch with an indicator light and a key switch with an indicator light.

The utility model discloses the row inserts through setting up the switch installation unit on arranging the box of inserting to the first grafting portion and the second grafting portion of switch installation unit are used for with the electrical contact of participating in of pulling out the switch, realize arranging to insert and can dismantle change switch, avoid causing the row to insert whole unable use because of the damage of switch self, are favorable to promoting the life who arranges to insert.

The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the present invention is given.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is a schematic structural diagram of a patch panel according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a mounting port in a power strip provided in an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an internal connection line of a patch panel according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a first jack and a second jack in a patch panel according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a mounting groove in a multi-plug socket according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a variation of the extension socket according to the embodiment of the present invention, in which another distribution structure of the switch installation unit and the socket unit is shown;

fig. 7 is a schematic structural view of connection between a plug switch and a socket in a socket with a switch according to an embodiment of the present invention, and the view shows a fitting structure of a mounting opening and the plug switch;

fig. 8 is a schematic diagram of a variant structure of the connection between the plug switch and the extension socket in the extension socket with switch provided by the embodiment of the present invention, and the diagram shows the fitting structure of the mounting groove and the plug switch.

The reference numbers in the detailed description are as follows:

the strip switch comprises a strip switch socket 10, a strip switch 100, a strip switch box 110, a power line 120, a first wire 121, a second wire 122, a third wire 123, a socket unit 130, a first terminal 131, a second terminal 132, a third terminal 133, a switch mounting unit 140, a first metal elastic sheet 141, a second metal elastic sheet 142, a mounting opening 143, a first socket 144, a second socket 145, a mounting groove 146, a clamping portion 147, a plug switch 200, a main body portion 210, a pin 220 and an elastic buckle 230.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

Referring to fig. 1 to fig. 3, an aspect of the present invention provides an extension socket 100, wherein fig. 1 illustrates a structure of the extension socket 100, fig. 2 illustrates a specific structure of a switch mounting unit 140 in the extension socket 100, and fig. 3 illustrates an internal wiring structure of the extension socket 100. The strip insert 100 includes a strip insert box 110, a power line 120, and at least one socket unit 130 and at least one switch mounting unit 140 disposed on the strip insert box 110, the power line 120 is connected to one end of the strip insert box 110, and the power line 120 includes a first wire 121 and a second wire 122; the socket unit 130 includes a first terminal 131 and a second terminal 132 provided in the outlet box 110, the first terminal 131 being electrically connected to the first conductive line 121; the switch mounting unit 140 is used for mounting the pluggable switch 200, and the switch mounting unit 140 includes a first plugging portion (for example, a first metal spring plate 141 shown in fig. 2) and a second plugging portion (for example, a second metal spring plate 142 shown in fig. 2) which are disposed in the row plugging box 110 and are used for electrically contacting with the pins of the pluggable switch 200, where the first plugging portion is electrically connected to the second conductive wire 122, and the second plugging portion is electrically connected to the at least one second terminal 132.

It should be noted that the pluggable switch 200 may also be an existing switch, for example, a switch applied to an electric frying pan or a switch applied to industrial equipment, and the pin of the pluggable switch 200 is used as a soldering pin in the application of the prior art for soldering a wire.

The utility model discloses row inserts 100 is through setting up switch installation unit 140 on arranging and inserting box 110 to switch installation unit 140's first grafting portion and second grafting portion are used for with the electrical contact of participating in of pulling out and inserting switch 200, realize arranging the dismantlement of inserting 100 switches and change, avoid leading to the fact arranging to insert 100 whole unable uses because of the damage of switch self, are favorable to promoting the life of arranging and inserting 100.

In the preferred embodiment shown in fig. 3, the number of the switch installation units 140 is one, the number of the socket units 130 is three, the switch installation units 140 are disposed on the socket box 110 at a position close to the power line 120, and the switch installation units 140 are located between the power line 120 and the socket units 130, wherein the first wires 121 are electrically connected to each first terminal 131, the second wires 122 are electrically connected to the first plugging portion, the second terminals 132 of the socket units 130 adjacent to the switch installation units 140 are electrically connected to the second plugging portion, the three second terminals 132 are electrically connected in sequence, and after the switch installation units 140 are installed with the plugging switches 200, the plugging switches 200 are used for simultaneously controlling the on and off of all the socket units 130; the first wire 121 is a neutral wire and the second wire 122 is a live wire.

It is understood that in other embodiments, the number of the switch installation units 140 may also be the same as the number of the socket units 130 and may be one or more, the switch installation units 140 are electrically connected to the socket units 130 in a one-to-one correspondence to form separate loops, the multiple separate loops are connected in parallel, and after the switch installation units 140 are installed with switches, the switches are used to control the on and off of the corresponding socket units 130; the number of the switch installation units 140 and the number of the socket units 130 may be multiple, and the number of the switch installation units 140 is less than the number of the socket units 130, wherein a part of the switch installation units 140 is electrically connected with only one socket unit 130 correspondingly to form a single loop, and another part of the switch installation units 140 is electrically connected with one socket unit 130 of the socket units 130 which are electrically connected in sequence, so that one switch installation unit 140 and the plurality of socket units 130 form another single loop together, after the switch installation units 140 are provided with switches, one part of the switches are used for controlling the on and off of the socket unit 130 corresponding to the switch installation unit, and another part of the switches are used for simultaneously controlling the on and off of the socket units 130 corresponding to the switch installation unit; the switch mounting unit 140 may also be disposed at other positions of the patch box 110, which is not limited herein; the first conductor 121 may also be live and the second conductor 122 neutral, but this is generally not the case for safety reasons.

Referring to fig. 2 again, in some embodiments, the switch mounting unit 140 may further include a mounting opening 143 formed on the socket 110, and the size of the mounting opening 143 is adapted to the outer contour of the pluggable switch 200 for receiving and fixing the pluggable switch 200.

The utility model discloses a row of embodiment inserts 100 is through offering on row inserts box 110 and supplying to pull out and insert switch 200 male installing port 143, realizes pulling out the electrical contact between participating in and first grafting portion and the second grafting portion of inserting switch 200, inserts box 110 inner wall and pulls out and insert switch 200 joint through the row of installing port 143 edge simultaneously, realizes pulling out the fixed of inserting switch 200 on row inserts box 110.

Referring to fig. 4, a specific structure of the first jack 144 and the second jack 145 of the extension socket 100 according to an embodiment of the present invention is shown. In other embodiments, the switch mounting unit 140 may further include a first socket 144 and a second socket 145 opened on the socket 110, the first socket 144 corresponding to the first insertion portion, and the second socket 145 corresponding to the second insertion portion.

The utility model discloses a row of an embodiment inserts 100 is through offering the first socket 144 and the second socket 145 that correspond with first grafting portion and second grafting portion respectively on row inserts box 110, and the switch installation unit 140 of being convenient for fixes a position the plug pin when the installation is pulled out and is inserted switch 200.

Referring to fig. 5, a specific structure of the mounting groove 146 of the extension socket 100 according to an embodiment of the present invention is shown. In some embodiments, the switch mounting unit 140 may further include a mounting groove 146 disposed on the outlet box 110, and the first inserting hole 144 and the second inserting hole 145 are both opened at the bottom of the mounting groove 146.

The utility model discloses an arrange and insert 100 realizes arranging and inserts 100 and pull out when inserting switch 200 and insert the installation and insert the accepting of switch 200 and fix on the horizontal direction through set up mounting groove 146 on arranging and inserting box 110.

Referring to fig. 5 again, in some embodiments, at least one inner sidewall of the mounting groove 146 may be provided with a clamping portion 147, and the clamping portion 147 is used for clamping and fixing with the pluggable switch 200.

The utility model discloses an arrange and insert 100 realizes arranging and inserts 100 and pull out when inserting switch 200 the installation and insert switch 200 and fix in vertical orientation through setting up joint portion 147 on at least one inside wall at the mounting groove.

In the embodiment shown in fig. 5, a mounting groove 146 is formed on the socket 110, the mounting groove 146 can be used to partially accommodate the pluggable switch 200, a first inserting opening 144 and a second inserting opening 145 corresponding to the first plugging portion and the second plugging portion are formed at the bottom of the mounting groove 146, and two opposite sidewalls of the mounting groove 146 are provided with clamping portions 147.

It is understood that in other embodiments, the mounting slot 146 may be used to fully accommodate the pluggable switch 200; the bottom of the mounting groove 146 may be completely hollowed out.

Referring to fig. 2 again, in some embodiments, the first plugging portion may include a first metal spring plate 141; and/or the second mating portion may include a second metal dome 142.

The utility model discloses an embodiment's row inserts 100 is through setting up first metal shrapnel 141 and second metal shrapnel 142 for row inserts 100 when the installation is pulled out and is inserted switch 200, pulls out the electrical contact between inserting switch 200 and first metal shrapnel 141 and the second metal shrapnel 142 and be elastic electrical contact, and the contact is respond well, thereby is favorable to first metal shrapnel 141 and second metal shrapnel 142 and participates in between the stable transmission of electric current.

In the embodiment shown in fig. 2, the first plug-in portion includes a first metal elastic sheet 141, the second plug-in portion includes a second metal elastic sheet 142, the first metal elastic sheet 141 and the second metal elastic sheet 142 are both disposed in a "U" shape, and two sides of the "U" shaped opening are disposed with inclination angles that gradually increase the opening, so that, through the arrangement of the inclination angles, in the process of installing the plug-in switch 200 in the extension socket 100, the inclination angles not only can play a role in guiding the pins of the plug-in switch 200, but also can increase the interaction force between the pins of the plug-in switch 200 and the first metal elastic sheet 141 and the second metal elastic sheet 142 along with the increase of the insertion depth of the plug-in switch 200 through the property that the opening is gradually decreased, thereby improving the effect of electrical contact between the pins of the plug-in switch 200 and the first metal elastic sheet 141 and the second metal elastic sheet 142.

It is understood that the illustration is merely an example, and in other embodiments, the first mating portion and the second mating portion may be made of sheet metal.

Referring to fig. 1, in some embodiments, the switch mounting unit 140 may be disposed at a position near an end of one side of the socket box 110.

For example, the patch panel 100 may include a plurality of socket units 130 arranged along a length direction of the patch panel 110, the switch mounting unit 140 is disposed at an end portion of the patch panel 110 connected to the power line 120, and the plurality of socket units 130 are controlled to be turned on and off by one switch mounting unit 140. The switch installation units 140 are arranged to be one, so that the size of the socket 110 is reduced, the occupied space of the socket 110 is reduced, and the switch installation units 140 are arranged at the positions, close to the end parts, of one sides of the socket 110, so that the wiring inside the socket 110 is simplified.

It is understood that the illustration is merely exemplary, and in other embodiments, the switch mounting unit 140 may be disposed at an end of the outlet box 110 opposite to the end of the power cord 120.

Referring to fig. 6, another distribution structure of the socket unit 130 and the switch installation unit 140 in the extension socket 100 of the present invention is shown. In other embodiments, the switch installation unit 140 may also be disposed at one side of the socket unit 130 and corresponding to the position of the socket unit 130.

By arranging the switch installation units 140 at one side of the socket units 130 and corresponding to the socket units 130, each socket unit 130 corresponds to one switch installation unit 140, so that each socket unit 130 is independently controlled, in specific use, the socket unit 130 in operation is turned on, and the socket unit 130 not in operation can be turned off independently, which is beneficial to improving the safety performance of the extension socket 100.

Referring to fig. 3 again, the at least one socket unit 130 may further include a third terminal 133, the power line 120 may further include a third conductive line 123, and the third terminal 133 is electrically connected to the third conductive line 123.

Note that the third wire 123 is a ground wire. The third wire 123 is arranged to improve the safety performance of the power strip 100 in use.

In the embodiment shown in fig. 3, the number of the socket units 130 is three, and two of them are three-prong sockets, and one is a two-prong socket, the three-prong socket including the third terminal 133 electrically connected to the third wire 123, the two-prong socket not including the third terminal.

It is understood that the illustration is merely an example, and in other embodiments, the number of the socket units 130 may be one or more, which is not limited herein; the socket unit 130 may include any one or a combination of three-pin sockets, two-pin sockets, and two-three-pin universal sockets.

Referring to fig. 7, according to another aspect of the embodiment of the present invention, a strip-type switch 10 is provided, in which a connection structure between a strip 100 and a plug 200 in the strip-type switch 10 is shown. The strip with switch 10 includes the strip 100 and the plug switch 200 according to any of the above embodiments, the plug switch 200 includes a main body 210 and two pins 220, the two pins 220 are fixed on one side of the main body 210, the plug switch 200 is detachably plugged in the switch mounting unit 140, and the two pins 220 are respectively electrically contacted with the first plugging portion and the second plugging portion.

The utility model discloses pull out in the area switch row inserts 10 and insert switch 200 and arrange and insert 100 and can dismantle and be connected, in concrete use, when pulling out and insert switch 200 and take place to damage, with its follow arrange insert 100 take off more renew pull out and insert switch 200 after, the area switch row inserts 10 reusability to increase of service life.

Referring to fig. 7 again, in some embodiments, the two opposite side walls of the pluggable switch 200 are provided with elastic buckles 230, the switch installation unit 140 may include an installation opening 143 disposed on the socket box 110, the size of the installation opening 143 is adapted to the outer contour of the pluggable switch 200, and the elastic buckles 230 are buckled with the inner wall of the socket box 110 at the edge of the installation opening 143.

It should be noted that the elastic buckle 230 may be a spring plate with one end fixedly connected to the main body 210 and an initial state of a "V" shape, and the elastic buckle 230 is elastically deformed when being pressed to become a "straight" shape and returns to the "V" shape after being not pressed,

assembling the pluggable switch 200: push in after aligning installing port 143 with pulling out switch 200, at the in-process of pushing in, elasticity buckle 230 pressurized becomes "one" font, and after pushing in completely, elasticity buckle 230 resumes to "V" shape, and the box 110 inner wall joint is inserted with the row at installing port 143 edge in the top of elasticity buckle 230 this moment to the restriction is pulled out switch 200 and is moved in vertical direction, plays the fixed effect of pulling out switch 200.

Disassembling the plug switch 200: the flat structure (for example, a screwdriver) can be held by hand, and after the flat structure is inserted into the mounting opening 143, the elastic buckle 230 is pressed to form a line shape, and then the plug-in switch 200 is pulled out, so that the detachment is completed.

Referring to fig. 8, a specific structure of a multi-plug strip with switch 10 according to another embodiment of the present invention is shown. In some embodiments, the two opposite side walls of the pluggable switch 200 are provided with elastic buckles 230, the switch installation unit 140 may include installation grooves 146 disposed on the row insertion boxes 110, the two opposite side walls of the pluggable switch 200 may be provided with elastic buckles 230, the installation grooves 146 are correspondingly provided with clamping portions 147 on at least one inner side wall, and the elastic buckles 230 are in clamping connection with the clamping portions 147.

Through set up mounting groove 146 and joint portion on row inserts 100, set up elasticity buckle 230 on pulling out the switch 200 of inserting, be favorable to pulling out and inserting stable connection between switch 200 and the row inserts 100.

In the embodiment shown in fig. 5, a certain gap is left between the inner side wall of the mounting groove 146 and the plug switch 200, the two inner side walls opposite to the mounting groove 146 are both provided with a clamping portion 147, and the clamping portions 147 are V-shaped grooves formed on the two opposite side walls of the mounting groove 146. It is understood that in other embodiments, the clamping portion 147 may be a square groove or a circular groove; the clamping portion 147 may be disposed on only one inner sidewall of the mounting groove 146.

Assembling the pluggable switch 200: the switch 200 can be pulled and inserted by hand and pressed to the mounting groove 146, in the process, the elastic buckle 230 is firstly changed into a shape like a Chinese character 'yi' by the pressure of the inner wall of the mounting groove 146, and when the elastic buckle 230 moves to the clamping portion 147, the elastic buckle is no longer restored to the shape like a Chinese character 'V' by the pressure of the inner wall of the mounting groove 146 and is clamped and connected with the clamping portion 147.

Disassembling the plug switch 200: the flat structure (for example, a screwdriver) can be held by hand, then a part of the flat structure extends into a gap between the inner side wall of the installation groove 146 and the plug-in switch 200, the elastic buckle 230 is pressed by the flat structure to be in a shape of a Chinese character 'yi', and at the moment, the plug-in switch 200 can be pulled out from the installation groove 146 by hand, so that the plug-in switch 200 is detached.

In some embodiments, the pluggable switch 200 comprises one or any combination of a boat-type switch, a push-button switch, a boat-type switch with indicator lights, and a push-button switch with indicator lights.

It should be noted that unless otherwise indicated, technical or scientific terms used in accordance with embodiments of the present invention shall have the ordinary meaning as understood by those skilled in the art to which embodiments of the present invention pertain.

In the description of the embodiments of the present invention, the technical terms "center", "longitudinal", "transverse", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, which is only for convenience of description and simplification of the description, but does not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the embodiments of the present invention.

Furthermore, the technical terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the embodiments of the present invention, unless explicitly specified or limited otherwise, the terms "mounted," "connected," and "fixed" are used in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; mechanical connection or electrical connection is also possible; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, a first feature may be directly contacting a second feature or indirectly contacting the first and second features through intervening media. Furthermore, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely below the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

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 substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present invention is not limited to the particular embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims (10)

1. An extension socket, comprising: a strip insert box, a power line, at least one socket unit and at least one switch installation unit arranged on the strip insert box,

the power line is connected to one end of the socket box and comprises a first lead and a second lead;

the socket unit comprises a first terminal and a second terminal which are arranged in the extension socket, and the first terminal is electrically connected with the first lead;

the switch installation unit is used for installing a plug switch, and comprises a first plugging portion and a second plugging portion which are arranged in the extension socket and are electrically contacted with the pins of the plug switch, wherein the first plugging portion is electrically connected with the second lead, and the second plugging portion is electrically connected with at least one second wiring terminal.

2. The extension socket of claim 1, wherein the switch mounting unit comprises a mounting opening disposed on the extension socket, and the size of the mounting opening is adapted to the outer contour of the extension socket for receiving and fixing the extension socket.

3. The extension socket of claim 1, wherein the switch mounting unit further comprises a first socket and a second socket disposed on the extension socket, the first socket and the first insertion portion are disposed correspondingly, and the second socket and the second insertion portion are disposed correspondingly.

4. The extension socket of claim 3, wherein the switch mounting unit further comprises a mounting groove formed in the extension socket, and the first socket and the second socket are formed in the bottom of the mounting groove.

5. The extension socket of claim 4, wherein at least one inner side wall of the mounting groove is provided with a clamping portion, and the clamping portion is used for being clamped and fixed with the plugging switch.

6. The extension socket of claim 1, wherein the first mating portion comprises a first metal dome; and/or the second plug part comprises a second metal elastic sheet.

7. The extension socket of claim 1,

the switch installation unit is arranged at a position close to the end part of one side of the socket box; or

The switch installation unit is arranged on one side of the socket unit and corresponds to the position of the socket unit.

8. An extension socket with a switch, comprising the extension socket of any one of claims 1 to 7, and a plug switch, wherein the plug switch comprises a main body portion and two plug pins, the two plug pins are fixed on one surface of the main body portion, the plug switch is detachably plugged in the switch mounting unit, and the two plug pins are respectively in electrical contact with the first plugging portion and the second plugging portion.

9. The extension socket with the switch of claim 8, wherein two opposite side walls of the pull-plug switch are provided with elastic buckles,

the switch mounting unit comprises a mounting opening arranged on the socket box, the size of the mounting opening is matched with the outer contour of the pluggable switch, and the elastic buckle is clamped with the inner wall of the socket box at the edge of the mounting opening; or

The switch installation unit is including setting up mounting groove on the box is inserted to the row, the mounting groove is equipped with joint portion on at least one inside wall, the elasticity buckle with joint portion block is connected.

10. The extension socket with the switch as claimed in claim 8, wherein the pull-plug switch comprises one or any combination of a boat-shaped switch, a push-button switch, a boat-shaped switch with an indicator light and a push-button switch with an indicator light.

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