CN212517635U - Socket - Google Patents

Abstract

The utility model provides a socket, because of inserting the position all with the cooperation of standard plug, therefore to non-standard plug, can't the male, simultaneously, because of the rotation of rotation axis need overcome the elasticity that elasticity reset the piece, therefore when point thin thing inserts the position, because of the unable rotation axis rotation that promotes of point thin thing, therefore can not the switch-on circuit, can effectively avoid electrocuteeing, avoid the potential safety hazard, the security performance is higher. In addition, under the elasticity piece natural state that resets, the plane is arranged with vertical direction is the acute angle, can be convenient for the plug participate in and promote the rotation axis and rotate, guarantees that the circuit switches on smoothly.

Description

Socket

Technical Field

The utility model relates to a socket.

Background

The socket is almost an electric appliance product which is necessary for household, and with the development of science and technology, people have stronger safety awareness, especially for the electric socket, if improper operation can cause very serious accidents, so that the installation of a safety door on the electric socket is an important measure for ensuring the normal and safe use of the socket. However, in real life, children like to take sharp or slender foreign matters to poke the jacks on the socket due to curiosity, and the safety door can be opened under the action of the inclined plane when being subjected to external force, so that the foreign matters are directly contacted with the conducting strips in the socket, if the foreign matters are conductive metal, electric shock is easy to occur, and still larger potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a higher socket of security performance effectively avoids taking place to electrocute because of the inserting of sharp thin thing, eliminates the potential safety hazard.

The utility model provides a socket, includes socket ontology, socket ontology is last to be provided with at least one and to insert the position, socket ontology includes the main part support, just all is provided with the holding tank in inserting position department on the main part support, is provided with holding tank pivoted rotation axis relatively in the holding tank, and the both ends of rotation axis are provided with the rotation axis casting die that can make the corresponding live wire linked switch and the equal switch-on of zero line linked switch who inserts position department respectively, be provided with on the rotation axis can with the plug participate in the complex plane, still be provided with the elasticity piece that resets on the rotation axis, elasticity resets under the piece natural state, the plane is the acute angle with vertical direction and arranges.

When the plug is inserted into the socket, the plug pins contact with the plane on the rotating shaft in the accommodating groove, along with the continuous downward insertion of the plug, the plug pins push the rotating shaft to rotate to the upper plane of the rotating shaft to be parallel to the vertical direction, and the rotating shaft pressing parts at the two ends of the rotating shaft enable the live wire connecting switch and the zero wire connecting switch at the corresponding insertion position to be switched on when in the state, at the moment, the rotating shaft can not obstruct the contact between the plug pins and the corresponding clamping pieces, so that the circuit is switched on, and after the plug is pulled out, the rotating shaft resets to the original state under the action of the elastic resetting part; because of inserting the position all with the cooperation of standard plug, therefore to non-standard plug, it is unable male, simultaneously, because of the rotation of rotation axis need overcome the elasticity that the elasticity resets the piece, therefore when the position is inserted to point thing, because of the unable rotation axis rotation that promotes of point thing, therefore can not the switch-on circuit, can effectively avoid the electric shock, avoid the potential safety hazard, the security performance is higher. In addition, under the elasticity piece natural state that resets, the plane is arranged with vertical direction is the acute angle, can be convenient for the plug participate in and promote the rotation axis and rotate, guarantees that the circuit switches on smoothly.

Drawings

Fig. 1 is an exploded view of the present invention.

Fig. 2 is a schematic view of a two-pin plug in an incomplete insertion state.

Fig. 3 is a schematic view of the fully inserted state of the two-pin plug.

Fig. 4 and 5 are schematic views of the main body structure of the socket of the present invention.

Fig. 6 is a front view of fig. 4.

Fig. 7 is a sectional view taken along the direction a-a in fig. 6.

Fig. 8 is an exploded view of the socket body.

Figure 9 is a schematic view of a safety door structure.

Detailed Description

The utility model provides a socket, as shown in fig. 1 to 9, includes socket subject 1, socket subject 1 is last to be provided with at least one and to insert the position, socket subject 1 includes main part support 11, just all is provided with holding tank 12 in inserting the position on main part support 11, is provided with holding tank 12 pivoted rotation axis 13 relatively in holding tank 12, and the both ends of rotation axis 13 are provided with respectively and make the rotation axis casting die 14 that corresponds the equal switch-on of live wire linked switch and zero line linked switch who inserts the position, be provided with on rotation axis 13 can with the plug in the complex plane 131, still be provided with elasticity on rotation axis 13 and reset piece 15, elasticity resets under 15 natural state, plane 131 is the acute angle with vertical direction and arranges. Socket 1 is last to be provided with one and to insert the position, two insert the position, three insert the position, even more, according to the actual product setting, all has more than concrete structure such as holding tank 12, rotation axis 13 in every position of inserting, and these insert the position and can insert the position for two holes, also can be three holes and insert the position.

The socket body 1 is provided with two plug positions, one is a two-hole plug position, and the other is a three-hole plug position; two-hole live wire clamping pieces 16 and two-hole zero line clamping pieces 17 are further arranged in the accommodating groove 12 at the two-hole inserting positions, connecting lines of the two-hole live wire clamping pieces 16 and the two-hole zero line clamping pieces 17 are parallel to the rotating shaft 13 in the accommodating groove 12, when the pins of the two-pin plug 2 are inserted from the two-hole inserting positions, the two pins are simultaneously contacted with the plane 131 on the rotating shaft 13, the two-hole live wire clamping pieces 16 and the two-hole zero line clamping pieces 17, and the rotating shaft 13 is pushed to rotate until the plane 131 is parallel to a vertical plane along with continuous downward insertion, so that a live wire connecting switch and a zero line connecting switch at the two-hole inserting positions are closed, and a circuit is switched on; the ground wire clamping piece 18 is further arranged in the accommodating groove 12 at the three-hole inserting position, when the pin of the three-pin plug is inserted from the three-hole inserting position, the ground wire pin is simultaneously contacted with the plane 131 on the rotating shaft 13 and the ground wire clamping piece 18, and along with continuous downward insertion, the rotating shaft 13 is pushed to rotate until the plane 131 is parallel to the vertical plane, so that the live wire connecting switch and the zero wire connecting switch at the three-hole inserting position are closed, and a circuit is switched on.

In a natural state of the elastic restoring element 15, an included angle between the plane 131 and the vertical direction is 40 ° to 65 °, such as 40 °, 41 °, 42 °, 43 °, 44 °, 45 °, 46 °, 47 °, 48 °, 49 °, 50 °, 51 °, 52 °, 53 °, 54 °, 55 °, 56 °, 57 °, 58 °, 59 °, 60 °, 61 °, 62 °, 63 °, 64 °, or 65 °, and preferably 50 °, 55 °, and 60 °, which is adopted in this embodiment. In the acute angle state, the live wire connecting switch and the zero line connecting switch can be effectively connected.

A flange 141 is provided at a local edge of each rotary shaft pressing member 14, and when the plane 131 onto which the rotary shaft 13 rotates is parallel to the vertical direction, the flange 141 rotates therewith to press-fit the corresponding live wire connection switch or neutral wire connection switch. When the two-pin plug 2 is inserted from the two-hole insertion position, two pins of the two-pin plug simultaneously contact the plane 131 on the rotating shaft 13 and push the rotating shaft 13 to rotate until the plane 131 is parallel to the vertical direction, at the moment, the rotating shaft pressing parts 14 on two ends of the rotating shaft 13 rotate along with the rotating shaft pressing parts, so that the flanges 141 on the rotating shaft pressing parts are pressed on the corresponding zero line connecting switch or live line connecting switch, and the circuit is switched on, and after the two-pin plug 2 is pulled out, the rotating shaft 13 is reset to the original state under the action of the elastic resetting part 15, and the flanges 141 on the rotating shaft pressing parts 14 on two ends of the rotating shaft are driven to leave the corresponding live line connecting switch or zero line; when the three-pin plug is inserted from the three-hole insertion position, the ground pin contacts the plane 131 on the rotating shaft 13 in the accommodating groove 12 at the three-hole insertion position, and pushes the rotating shaft 13 to rotate until the plane 131 is parallel to the vertical direction, at this time, the rotating shaft pressing parts 14 on the two ends of the rotating shaft 13 rotate along with the rotating shaft pressing parts, so that the flanges 141 on the rotating shaft are pressed on the corresponding zero line connecting switch or live line connecting switch, and the circuit is connected, and after the three-pin plug is pulled out, the rotating shaft 13 is reset to the original state under the action of the elastic reset part 15, and the flanges 141 on the rotating shaft pressing parts 14 on the two ends of the rotating shaft are driven to leave the corresponding live line connecting switch or zero line connecting switch. Through above structure, not only can avoid the thin thing of point to insert and cause the electric shock, can also control live wire linked switch and zero line link switch's break-make electricity simultaneously, the function unites two into one, makes the structure of socket more compact, and the volume is littleer, and the structure is more simple.

Two rotation shaft waterproof ring clamping grooves 132 are arranged on each rotation shaft 13 at intervals between the two rotation shaft pressing pieces 14 corresponding to the rotation shafts 13, a rotation shaft waterproof ring 133 is arranged in each rotation shaft waterproof ring clamping groove 132, and the rotation shaft waterproof ring 133 on each rotation shaft 13 is tightly attached to the inner side wall of the accommodating groove 12. Through above setting, can prevent effectively that outside liquid from inserting the position or two holes from three holes and inserting the position and get into inside the socket, simultaneously can also effectively avoid rotation axis 13 outside liquid to get into inside the socket when rotating, simultaneously, with the waterproof circle 133 of rotation axis setting in the waterproof circle draw-in groove 132 of rotation axis, and the waterproof circle 133 of rotation axis's on the rotation axis casting die 14 lateral wall hugs closely with the inside wall of holding tank 12, can cooperate the main part support 11 inner wall rotatory, with the friction dynamics between waterproof circle and the main part support 11 when reducing the rotation.

The elastic return member 15 is a torsion spring. Torsion springs are respectively provided at both ends of each rotating shaft 13. The connection mode of the torsion spring is the prior art.

A support waterproof ring 4 is arranged between the main body support 11 and the socket front cover 3. Two pin plug 2 insert or when extracting the socket or the tripod plug inserts or when extracting the socket, all can produce electric arc, because live wire connecting circuit and zero line connecting circuit switch-on all take place inside the socket, through the waterproof ring of support 4 and the waterproof ring of rotation axis 133 common sealed effect, the electric arc control that produces the switch-on circuit in the twinkling of an eye is inside the socket, it is outside to avoid electric arc to reveal the socket, thereby effectively avoid the external environment because of the conflagration that electric arc leaked and lead to, the security performance is higher. The back surface of the main body support 11 is provided with a copper sheet pressing piece 19, the copper sheet pressing piece 19 is provided with a main board live wire copper sheet 191 and a main board zero line copper sheet 192, a two-hole live wire copper sheet 193, a two-hole zero line copper sheet 194, a three-hole live wire copper sheet 195 and a three-hole zero line copper sheet 196 are further arranged between the main body support 11 and the copper sheet pressing piece 19 and on the back surface of the main body support 11, two first V-shaped bulges 197 are respectively arranged on the main board live wire copper sheet 191 and the main board zero line copper sheet 192, and second V-shaped bulges 198 are respectively arranged on the two-hole live wire copper sheet 193, the two-hole zero line copper sheet 194, the three-hole live wire copper sheet 195 and the; one of the first V-shaped protrusions 197 on the mainboard firing line copper sheets 191 is opposite to the second V-shaped protrusions 198 on the two-hole firing line copper sheets 193 to form a firing line connecting switch at the two-hole plugging position, and one of the first V-shaped protrusions 197 on the mainboard zero line copper sheets 192 is opposite to the second V-shaped protrusions 198 on the two-hole zero line copper sheets 194 to form a zero line connecting switch at the two-hole plugging position; the other first V-shaped protrusion 197 on the mainboard firing line copper sheet 191 is opposite to the second V-shaped protrusion 198 on the three-hole firing line copper sheet 195 to form a firing line connecting switch at the three-hole plugging position, and the other first V-shaped protrusion 197 on the mainboard zero line copper sheet 192 is opposite to the second V-shaped protrusion 198 on the three-hole zero line copper sheet 196 to form a zero line connecting switch at the three-hole plugging position; and the rotating shaft pressing parts 14 at the two ends of the rotating shaft 13 at the two-hole plugging position are respectively opposite to the two-hole live wire copper sheets 193 and the two-hole zero wire copper sheets 194 at the corresponding ends, and the rotating shaft pressing parts 14 at the two ends of the rotating shaft 13 at the three-hole plugging position are respectively opposite to the three-hole live wire copper sheets 195 and the three-hole zero wire copper sheets 196 at the corresponding ends. The two-pin plug 2 pushes the rotating shaft 13 at the two-hole plugging position to rotate for a certain angle, so that the flanges 141 on the rotating shaft pressing parts 14 at the two ends of the rotating shaft pressing parts rotate to push the corresponding second V-shaped bulges 198 on the two-hole zero line copper sheets 194 and the corresponding second V-shaped bulges 198 on the two-hole live line copper sheets 193 to be in contact with the corresponding first V-shaped bulges 197 on the mainboard zero line copper sheets 192 and the corresponding first V-shaped bulges 197 on the mainboard live line copper sheets 191 so as to connect a circuit, after the two-pin plug 2 is pulled out, the rotating shaft 13 returns to the original position under the elastic restoring force and drives the flanges 141 on the rotating shaft pressing parts 14 at the two ends to rotate to be separated from the second V-shaped bulges 198 on the two-hole zero line copper sheets 194 and the second V-shaped bulges 198 on the two-hole live line copper sheets 193, and the two-hole zero line copper sheets 194 and the two-hole live line copper sheets 193 can be separated from the corresponding mainboard zero line copper, to open the circuit; the three-pin plug pushes the rotating shaft 13 at the three-hole plug position to rotate for a certain angle, so that the flanges 141 on the rotating shaft pressing parts 14 at two ends of the three-pin plug rotate to push the second V-shaped bulge 198 on the corresponding three-hole zero line copper sheet 196 and the second V-shaped bulge 198 on the three-hole live line copper sheet 195 to be in contact with the corresponding first V-shaped bulge 197 on the main board zero line copper sheet 192 and the corresponding first V-shaped bulge 197 on the main board live line copper sheet 191 to connect a circuit, after the three-pin plug is pulled out, the rotating shaft 13 returns to the original position under the elastic restoring acting force and drives the flanges 141 on the rotating shaft pressing parts 14 at two ends to rotate to be separated from the second V-shaped bulge 198 on the three-hole zero line copper sheet 196 and the second V-shaped bulge 198 on the live line copper sheet 195, the three-hole zero line copper sheet 196 and the three-hole live line copper sheet 195 can be separated from the corresponding main board zero, to open the circuit. The V-shaped bulges are contacted with each other, so that the effects of fixing and increasing the contact area of the copper sheet can be achieved; in addition, the live wire connecting switch at the two-hole plugging position and the live wire connecting switch at the three-hole plugging position share one main board live wire copper sheet 191, and the zero line connecting switch at the two-hole plugging position and the zero line connecting switch at the three-hole plugging position share one main board zero line copper sheet 192, so that the structure of the socket main body can be simplified, and the structure of the socket main body is more compact.

The copper pressing piece 19 is provided with two oppositely arranged grooves 199, two opposite sides of the bottom surfaces of the two grooves 199 are provided with notches 1991, the mainboard firing line copper piece 191 and the mainboard firing line copper piece 192 both comprise intermediate connecting plates 1911, first V-shaped bulges 197 are arranged on two sides of the intermediate connecting plates 1911, the intermediate connecting plates 1911 are provided with positioning holes 1912, the bottom surfaces of the grooves 199 are provided with first positioning posts 1992, the intermediate connecting plates 1911 of the mainboard firing line copper pieces 191 are installed on the bottom surface of one of the grooves 199, the positioning holes 1912 on the intermediate connecting plates 1911 of the mainboard firing line copper pieces 191 are sleeved on the corresponding first positioning posts 1992, two sides of the intermediate connecting plates 1911 are inserted by the two notches 1991 on the bottom surface of the groove 199, the intermediate connecting plates 1911 of the mainboard firing line copper pieces 192 are installed on the bottom surface of the other groove 199, the positioning holes 1912 on the intermediate connecting plates 1911 of the mainboard firing line copper pieces 192 are sleeved on the corresponding first positioning posts 1992, and two sides of the middle connecting board 1911 are inserted by two notches 1991 on the bottom surface of the groove 199, so that the mainboard firing line copper sheet 191 and the mainboard firing line copper sheet 192 are installed in place on the copper sheet pressing member 19.

As shown in fig. 9, the receptacle further includes a safety door assembly 5, the safety door assembly 5 includes a two-hole slider 51 and a three-hole slider 52 provided on the upper surface of the body housing 11 of the receptacle body 1, two first inclined surfaces 511 are provided on the two-hole slider 51 to be engaged with the two pins of the two-pin plug 2, two second inclined planes 521 which are respectively matched with a live pin and a zero pin of the three-pin plug are arranged on the three-hole sliding block 52, a through hole for inserting a ground pin is also arranged on the three-hole sliding block 52, second positioning columns 53 are respectively arranged on the two-hole sliding block 51 and the three-hole sliding block 52, the second positioning columns 53 on the two-hole sliding block 51 are connected with the second positioning columns 53 on the three-hole sliding block 52 through springs 54, so as to connect the two-hole slider 51 and the three-hole slider 52 into a whole, when the spring 54 is in a natural state, the two-hole slider 51 and the three-hole slider 52 both block corresponding plug through holes on the receptacle front cover 3. When the two-pin plug 2 is inserted from the corresponding plug through hole on the socket front cover 3, the two pins of the two-pin plug respectively contact the two first inclined planes 511 on the two-hole sliding blocks 51, and along with the continuous downward insertion of the two-pin plug 2, the two-pin plug pushes the first inclined planes 511 to drive the two-hole sliding blocks 51 to move horizontally, so that the two pins of the two-pin plug 2 can be contacted with the plane 131 of the rotating shaft 13, and then the circuit connection is realized; when the three-pin plug is inserted from the corresponding plug through hole on the front cover 3 of the socket, the zero-wire pin and the live-wire pin of the three-pin plug respectively contact two second inclined planes 521 on the three-hole sliding block 52, and with the continuous downward insertion of the three-pin plug, the three-pin plug pushes the second inclined planes 521 to drive the three-hole sliding block 52 to move horizontally, so that the zero-wire pin and the live-wire pin of the three-pin plug can be contacted with the plane 131 of the rotating shaft 13, and meanwhile, the ground-wire pin of the three-pin plug passes through the through hole on the three-hole; after the two-pin plug 2 or the three-pin plug is pulled out, the two-hole sliding block 51 or the three-hole sliding block 52 is driven to reset under the reset action of the spring 54, the corresponding plug through hole in the socket front cover 3 is shielded again, the situation that a sharp object is inserted into the socket is further avoided, and meanwhile, the situation that external liquid enters the socket is further avoided.

Claims (12)

1. The utility model provides a socket, includes socket subject (1), be provided with at least one on socket subject (1) and insert the position, its characterized in that: socket main part (1) includes main part support (11), just all be provided with holding tank (12) in inserting the position department on main part support (11), be provided with holding tank (12) pivoted rotation axis (13) relatively in holding tank (12), the both ends of rotation axis (13) are provided with rotation axis casting die (14) that can make to correspond live wire linked switch and the equal switch-on of zero line linked switch who inserts the position department respectively, be provided with on rotation axis (13) can with the plug participate in complex plane (131), still be provided with elasticity on rotation axis (13) and reset piece (15), elasticity resets piece (15) under the natural state, plane (131) are the acute angle with vertical direction and arrange.

2. A socket according to claim 1, wherein: the socket body (1) is provided with two plug positions, one is a two-hole plug position, and the other is a three-hole plug position; two-hole live wire clamping pieces (16) and two-hole zero line clamping pieces (17) are further arranged in the accommodating groove (12) at the two-hole inserting positions, connecting lines of the two-hole live wire clamping pieces (16) and the two-hole zero line clamping pieces (17) are parallel to a rotating shaft (13) in the accommodating groove (12), when pins of the two-pin plug (2) are inserted from the two-hole inserting positions, the two pins are simultaneously contacted with a plane (131) on the rotating shaft (13), the two-hole live wire clamping pieces (16) and the two-hole zero line clamping pieces (17), and along with continuous downward insertion, the rotating shaft (13) is pushed to rotate until the plane (131) is parallel to a vertical plane, so that a live wire connecting switch and a zero line connecting switch at the two-hole inserting positions are closed, and a circuit is switched on; the three-hole plug is characterized in that a ground wire clamping piece (18) is further arranged in the accommodating groove (12) at the three-hole inserting position, when the pin of the three-pin plug is inserted into the three-hole inserting position, the ground wire pin of the three-pin plug is simultaneously contacted with a plane (131) on the rotating shaft (13) and the ground wire clamping piece (18), and along with continuous downward insertion, the rotating shaft (13) is pushed to rotate until the plane (131) is parallel to a vertical plane, so that a live wire connecting switch and a zero wire connecting switch at the three-hole inserting position are closed, and a circuit.

3. A socket according to claim 1 or 2, wherein: under the natural state of the elastic resetting piece (15), the included angle between the plane (131) and the vertical direction is 40-65 degrees.

4. A socket according to claim 3, wherein: under the natural state of the elastic resetting piece (15), the included angles between the plane (131) and the vertical direction are 50 degrees, 55 degrees and 60 degrees.

5. A socket according to claim 3, wherein: the edge of each rotating shaft pressing piece (14) is locally provided with a flange (141), and when a plane (131) to which the rotating shaft (13) rotates is parallel to the vertical direction, the flange (141) rotates along with the rotating shaft to press a corresponding live wire connecting switch or zero wire connecting switch.

6. A socket according to claim 5, wherein: two rotating shaft waterproof ring clamping grooves (132) are formed in each rotating shaft (13) at intervals between two rotating shaft pressing pieces (14) corresponding to the rotating shafts (13), a rotating shaft waterproof ring (133) is arranged in each rotating shaft waterproof ring clamping groove (132), and the rotating shaft waterproof ring (133) on each rotating shaft (13) is tightly attached to the inner side wall of the accommodating groove (12).

7. A socket according to claim 6, wherein: a support waterproof ring (4) is arranged between the main body support (11) and the socket front cover (3).

8. A socket according to any one of claims 2 or 4 to 7, wherein: the back surface of the main body support (11) is provided with a copper sheet pressing piece (19), the copper sheet pressing piece (19) is provided with a main board live wire copper sheet (191) and a main board zero line copper sheet (192), a two-hole live wire copper sheet (193), a two-hole zero line copper sheet (194), a three-hole live wire copper sheet (195) and a three-hole zero line copper sheet (196) are further arranged between the main body support (11) and the copper sheet pressing piece (19) and on the back surface of the main body support (11), two first V-shaped bulges (197) are respectively arranged on the main board live wire copper sheet (191) and the main board zero line copper sheet (192), and second V-shaped bulges (198) are respectively arranged on the two-hole live wire copper sheet (193), the two-hole zero line copper sheet (194), the live wire copper sheet (195) and the three-hole zero; one of the first V-shaped bulges (197) on the mainboard firing line copper sheet (191) is opposite to the second V-shaped bulges (198) on the two-hole firing line copper sheets (193) to form a firing line connecting switch at the two-hole plugging position, and one of the first V-shaped bulges (197) on the mainboard firing line copper sheet (192) is opposite to the second V-shaped bulges (198) on the two-hole firing line copper sheet (194) to form a zero line connecting switch at the two-hole plugging position; the other first V-shaped protrusion (197) on the mainboard firing line copper sheet (191) is opposite to the second V-shaped protrusion (198) on the three-hole firing line copper sheet (195) to form a firing line connecting switch at the three-hole plugging position, and the other first V-shaped protrusion (197) on the mainboard zero line copper sheet (192) is opposite to the second V-shaped protrusion (198) on the three-hole zero line copper sheet (196) to form a zero line connecting switch at the three-hole plugging position; and the rotating shaft pressing pieces (14) at two ends of the rotating shaft (13) at the two-hole plugging positions are respectively opposite to the two-hole live wire copper pieces (193) and the two-hole zero wire copper pieces (194) at corresponding ends, and the rotating shaft pressing pieces (14) at two ends of the rotating shaft (13) at the three-hole plugging positions are respectively opposite to the three-hole live wire copper pieces (195) and the three-hole zero wire copper pieces (196) at corresponding ends.

9. A socket according to claim 8, wherein: the copper sheet pressing piece (19) is provided with two grooves (199) which are oppositely arranged, two opposite side edges of the bottom surfaces of the two grooves (199) are provided with notches (1991), the mainboard firing line copper sheet (191) and the mainboard firing line copper sheet (192) both comprise middle connecting plates (1911), first V-shaped protrusions (197) are arranged on two sides of each middle connecting plate (1911), positioning holes (1912) are arranged on the middle connecting plates (1911), first positioning columns (1992) are arranged on the bottom surfaces of the grooves (199), the middle connecting plates (1911) of the mainboard firing line copper sheets (191) are installed on the bottom surfaces of one of the grooves (199), the positioning holes (1912) on the middle connecting plates (1911) of the mainboard firing line copper sheets (191) are sleeved on the corresponding first positioning columns (1992), and two sides of the middle connecting plates (1911) are inserted through the two notches (1991) of the bottom surfaces of the grooves (199), and an intermediate connecting plate (1911) of the mainboard neutral wire copper sheet (192) is installed on the bottom surface of the other groove (199), so that a positioning hole (1912) on the intermediate connecting plate (1911) of the mainboard neutral wire copper sheet (192) is sleeved on the corresponding first positioning column (1992), and two sides of the intermediate connecting plate (1911) are inserted through two notches (1991) on the bottom surface of the groove (199) to realize that the mainboard neutral wire copper sheet (191) and the mainboard neutral wire copper sheet (192) are installed in place on the copper sheet pressing member (19).

10. A socket according to any one of claims 1-2 or 4-7 or 9, wherein: the socket further comprises a safety door assembly (5), the safety door assembly (5) comprises a two-hole sliding block (51) and a three-hole sliding block (52) which are arranged on the upper surface of the main body support (11) of the socket main body (1), two first inclined planes (511) matched with two pins of the two-pin plug (2) are arranged on the two-hole sliding block (51), two second inclined planes (521) respectively matched with a live wire pin and a zero wire pin of the three-pin plug are arranged on the three-hole sliding block (52), a through hole for the ground wire pin to be inserted is further formed in the three-hole sliding block (52), second positioning columns (53) are respectively arranged on the two-hole sliding block (51) and the three-hole sliding block (52), the second positioning columns (53) on the two-hole sliding blocks (51) are connected with the second positioning columns (53) on the three-hole sliding block (52) through springs (54), so that the two-hole sliding blocks (51) and the three-hole sliding block, when the spring (54) is in a natural state, the two-hole sliding block (51) and the three-hole sliding block (52) both shield the corresponding plug through hole on the socket front cover (3).

11. A socket according to claim 3, wherein: the socket further comprises a safety door assembly (5), the safety door assembly (5) comprises a two-hole sliding block (51) and a three-hole sliding block (52) which are arranged on the upper surface of the main body support (11) of the socket main body (1), two first inclined planes (511) matched with two pins of the two-pin plug (2) are arranged on the two-hole sliding block (51), two second inclined planes (521) respectively matched with a live wire pin and a zero wire pin of the three-pin plug are arranged on the three-hole sliding block (52), a through hole for the ground wire pin to be inserted is further formed in the three-hole sliding block (52), second positioning columns (53) are respectively arranged on the two-hole sliding block (51) and the three-hole sliding block (52), the second positioning columns (53) on the two-hole sliding blocks (51) are connected with the second positioning columns (53) on the three-hole sliding block (52) through springs (54), so that the two-hole sliding blocks (51) and the three-hole sliding block, when the spring (54) is in a natural state, the two-hole sliding block (51) and the three-hole sliding block (52) both shield the corresponding plug through hole on the socket front cover (3).

12. A socket according to claim 8, wherein: the socket further comprises a safety door assembly (5), the safety door assembly (5) comprises a two-hole sliding block (51) and a three-hole sliding block (52) which are arranged on the upper surface of the main body support (11) of the socket main body (1), two first inclined planes (511) matched with two pins of the two-pin plug (2) are arranged on the two-hole sliding block (51), two second inclined planes (521) respectively matched with a live wire pin and a zero wire pin of the three-pin plug are arranged on the three-hole sliding block (52), a through hole for the ground wire pin to be inserted is further formed in the three-hole sliding block (52), second positioning columns (53) are respectively arranged on the two-hole sliding block (51) and the three-hole sliding block (52), the second positioning columns (53) on the two-hole sliding blocks (51) are connected with the second positioning columns (53) on the three-hole sliding block (52) through springs (54), so that the two-hole sliding blocks (51) and the three-hole sliding block, when the spring (54) is in a natural state, the two-hole sliding block (51) and the three-hole sliding block (52) both shield the corresponding plug through hole on the socket front cover (3).

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