CN111900566A - Electric shock prevention structure - Google Patents

Abstract

The utility model provides an electric shock prevention structure, because of inserting the position all with the cooperation of standard plug, therefore to non-standard plug, is unable 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

Electric shock prevention structure

Technical Field

The invention relates to an electric shock prevention structure.

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.

Disclosure of Invention

The invention aims to provide an electric shock prevention structure with higher safety performance, which effectively avoids electric shock caused by the insertion of sharp objects and eliminates potential safety hazards.

The invention relates to an electric shock prevention structure which comprises a rotatable rotating shaft, wherein two ends of the rotating shaft are respectively provided with a rotating shaft pressing piece which can enable a live wire connecting switch and a zero line connecting switch to be connected, a plane is arranged on the rotating shaft, an elastic resetting piece is further arranged on the rotating shaft, and the plane and the vertical direction are arranged in an acute angle mode in a natural state of the elastic resetting piece.

According to the electric shock preventing structure, the electric shock preventing structure is arranged at the two-hole inserting position or the three-hole inserting position of the socket, when the electric shock preventing structure is arranged at the two-hole inserting position, the rotating shaft of the electric shock preventing structure is arranged in the accommodating groove accommodating the two-hole live wire clamping piece and the two-hole zero line clamping piece, and when the electric shock preventing structure is arranged at the three-hole inserting position, the rotating shaft of the electric shock preventing structure is arranged in the accommodating groove accommodating the ground wire clamping piece; when the plug is inserted, the pin of the plug is contacted with the plane on the rotating shaft in the accommodating groove, the pin pushes the rotating shaft to rotate until the plane on the rotating shaft is parallel to the vertical direction along with the continuous downward insertion of the plug, 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 pin on the plug and the corresponding clamping piece any more, so that the circuit is conducted, and after the plug is pulled out, the rotating shaft is reset 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 a schematic view of a two-pin plug in a state of incomplete insertion.

Fig. 2 is a schematic view of a two-pin plug in a fully inserted state.

Fig. 3 and 4 are schematic views of the installation structure of the present invention.

Fig. 5 is a front view of fig. 3.

Fig. 6 is a sectional view taken along the direction a-a in fig. 5.

Fig. 7 is an exploded view of the socket body.

Detailed Description

An electric shock prevention structure, as shown in fig. 1 to 7, comprises a rotatable rotating shaft 13, wherein two ends of the rotating shaft 13 are respectively provided with a rotating shaft pressing part 14 which can enable a live wire connecting switch and a zero wire connecting switch to be connected, the rotating shaft 13 is provided with a plane 131, the rotating shaft 13 is further provided with an elastic resetting part 15, and the plane 131 and the vertical direction are arranged in an acute angle in a natural state of the elastic resetting part 15.

In a natural state of the elastic reset piece 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. Here, the engagement of the flange 141 with the live connection switch and the neutral connection switch will be further described: the socket comprises a socket body 1, and is characterized in that a copper sheet pressing part 19 is arranged on the back surface of a body support 11 of the socket body 1, a mainboard firing line copper sheet 191 and a mainboard zero line copper sheet 192 are arranged on the copper sheet pressing part 19, a two-hole firing line copper sheet 193, a two-hole zero line copper sheet 194, a three-hole firing line copper sheet 195 and a three-hole zero line copper sheet 196 are further arranged between the body support 11 and the copper sheet pressing part 19 and on the back surface of the body support 11, two first V-shaped bulges 197 are respectively arranged on the mainboard firing line copper sheet 191 and the mainboard zero line copper sheet 192, and second V-shaped bulges 198 are respectively arranged on the two-hole firing line copper sheet 193, the two-hole zero line copper sheet 194, the three-hole; 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; the rotary shaft pressing parts 14 at two ends of the rotary 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, the rotary shaft pressing parts 14 at two ends of the rotary 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 rotary shaft 13 at the two-hole plugging position is pushed by the two-pin plug 2 to rotate for a certain angle, so that the flanges 141 on the rotary shaft pressing parts 14 at two ends of the rotary shaft are rotated to push the second V-shaped bulges 198 on the corresponding two-hole zero wire copper sheets 194 and the second V-shaped bulges 198 on the two-hole live wire copper sheets 193 to be in contact with the corresponding first V-shaped bulges 197 on the mainboard zero wire copper sheets 192 and the corresponding first V-shaped bulges 197 on the mainboard live wire copper sheets 191 to connect a circuit, after the two-pin plug 2 is pulled out, the rotary shaft 13 is restored to the original position under the elastic restoring force and drives the 198 and the second V-shaped protrusions 198 on the two-hole live wire copper sheets 193, the two-hole zero line copper sheets 194 and the two-hole live wire copper sheets 193 can be separated from the corresponding main board connection zero line copper sheets 192 and main board connection live wire copper sheets 191 under the elastic recovery action of the two-hole zero line copper sheets 194 and the two-hole live wire copper sheets 193 so as to break a 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.

Two rotation shaft waterproof ring clamping grooves 132 are arranged on the rotation shaft 13 at intervals between the two rotation shaft pressing pieces 14 on the rotation shaft 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.

Claims (6)

1. An electric shock prevention structure is characterized in that: including rotatable rotation axis (13), the both ends of rotation axis (13) are provided with respectively and make rotation axis casting die (14) that live wire linked switch and zero line linked switch all switch-on, are provided with plane (131) on rotation axis (13), still are provided with elasticity piece (15) that resets on rotation axis (13), and elasticity resets under piece (15) natural state, plane (131) are the acute angle with vertical direction and arrange.

2. An electric shock preventing structure as defined in claim 1, wherein: under the natural state of the elastic resetting piece (15), an included angle between the plane (131) and the vertical direction is 40-65 degrees.

3. An electric shock preventing structure as set forth in claim 2, 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.

4. An electric shock preventing structure as defined in claim 1 or 2, 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.

5. An electric shock preventing structure as claimed in claim 1-2 or 4, wherein: two rotating shaft waterproof ring clamping grooves (132) are formed in the rotating shaft (13) and between the two rotating shaft pressing pieces (14) on the rotating shaft (13) at intervals, 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).

6. An electric shock preventing structure as set forth in claim 5, wherein: the elastic reset piece (15) is a torsion spring.

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