CN110854591B

CN110854591B - Electric shock prevention socket

Info

Publication number: CN110854591B
Application number: CN201911161588.8A
Authority: CN
Inventors: 黄中郁; 陈世泽
Original assignee: Nantong Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
Current assignee: Nantong Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-12-04
Anticipated expiration: 2039-11-25
Also published as: CN110854591A

Abstract

The invention discloses an electric shock prevention socket which comprises a square shell, wherein an installation cavity is arranged in the shell, a positive bulge is symmetrically and convexly arranged on the inner wall of the rear side of the installation cavity, a first electric contact is embedded in the front of the positive bulge, guide rails are fixedly connected with the inner walls of the front side and the rear side of the installation cavity, sliding blocks are connected onto the guide rails in a sliding mode, a reset spring is movably sleeved on the outer wall of each guide rail, two ends of the reset spring are respectively abutted against the shell and the corresponding sliding block, a through hole is formed in the upper end of each guide rail of each sliding block, rotating rods are vertically and fixedly connected with the upper inner wall and the lower inner wall of each through hole, abutting plates are fixedly connected onto the outer walls of the rotating rods, air springs are fixedly connected onto the inner walls of. Has the advantages that: the socket is used under normal or abnormal conditions, has the function of electric shock prevention, and effectively improves the safety of household electricity.

Description

Electric shock prevention socket

Technical Field

The invention relates to the technical field of sockets, in particular to an electric shock prevention socket.

Background

The socket is also called as a power socket and a switch socket. A socket is a receptacle into which one or more circuit connections can be inserted, through which various connections can be inserted. This facilitates the connection with other circuits. The connection and disconnection between the circuit and the copper piece are realized to finally achieve the connection and disconnection of the part of the circuit.

The existing socket is generally embedded in a wall body, and due to the fact that the position of the existing socket is low, children or mentally-defective people are inevitably subjected to electric shock accidents caused by curiosity of conducting objects which are contacted with a zero line or a live line through jacks, and potential safety hazards exist.

To solve the above problems, we propose an electric shock prevention socket.

Disclosure of Invention

The invention aims to solve the problems in the background art and provides an electric shock prevention socket.

In order to achieve the purpose, the invention adopts the following technical scheme: an electric shock prevention socket comprises a square shell, wherein an installation cavity is arranged in the shell, a positive bulge is symmetrically and convexly arranged on the inner wall of the rear side of the installation cavity, a first electric contact is embedded in the front of the positive bulge, guide rails are fixedly connected with the inner walls of the front side and the rear side of the installation cavity, sliding blocks are slidably connected onto the guide rails, a reset spring is movably sleeved on the outer wall of each guide rail, two ends of the reset spring respectively abut against the shell and the sliding blocks, an opening is formed in the upper end of each guide rail by the corresponding sliding blocks, rotating rods are vertically and fixedly connected onto the upper inner wall and the lower inner wall of each opening, a pressing plate is fixedly sleeved on the outer wall of each rotating rod, air springs are fixedly connected onto the inner wall of each opening and two sides of the corresponding pressing plate, the air springs abut against the pressing plate, second electric contacts are embedded on the, third electric contacts are symmetrically embedded in the front face of the pressing plate, jacks are formed in the front face of the shell and in positions corresponding to the third electric contacts, and inserting pieces are inserted into the jacks; the left side and the right side of the installation cavity are symmetrically and convexly provided with lateral bulges, one opposite side of the two lateral bulges is fixed with a current-conducting plate, the two sides of the pressing plate are provided with fourth electric contacts, and the installation cavity is internally provided with clamping devices symmetrically relative to the guide rail.

In the electric shock prevention socket, the cross section of the guide rail is square.

In foretell electric shock socket, clamping device includes two longitudinal symmetry fixed connection at the barrel of installation intracavity wall, installation intracavity wall and in the inboard fixedly connected with clamping spring of barrel, clamping spring keeps away from the equal fixedly connected with electro-magnet of one end of casing, the electro-magnet is vertical to sliding connection in the barrel, electro-magnet, fourth electrical contact, current conducting plate pass through the converter and establish ties with mains supply, two the electro-magnet is repulsive the setting mutually.

In the electric shock prevention socket, an insulating sheet is fixed at one end, far away from the shell, of the electromagnet.

Compared with the prior art, the anti-electric shock socket has the advantages that:

1. under normal conditions, the inserting sheet is contacted with the third electric contact, the second electric contact is contacted with the first electric contact to realize electrification, the two insulating sheets clamp the inserting sheet under the elasticity of the clamping spring, and the inserting sheet is completely inserted into the mounting cavity at the moment, so that the inserting sheet is prevented from being partially exposed and electric shock caused by error contact is avoided,

2. under abnormal conditions, support the clamp plate and receive the atress in one side of bull stick, then can drive the one end of supporting the clamp plate and use the bull stick as the centre of a circle and rotate towards the rear side, the perpendicular interval that supports the clamp plate both ends is less than the interval between two current conducting plates, the fourth electrical contact that supports the clamp plate both ends does not contact with the current conducting plate, two electro-magnets are not electrified, the contact that offsets under clamping spring's elasticity is held to the insulating piece on two electro-magnets, support the clamp plate and can't continue to promote under the blockking of receiving two electro-magnets, the unable contact of second electrical contact and first electrical contact realizes the protection against electric shock effect.

In conclusion, the socket has the function of electric shock prevention when being used under normal or abnormal conditions, and the safety of household electricity utilization is effectively improved.

Drawings

Fig. 1 is a perspective view of a shock-proof socket according to the present invention;

fig. 2 is a perspective view of the front side of an anti-shock socket according to the present invention;

fig. 3 is a schematic structural diagram of a front surface of an electric shock preventing socket according to the present invention.

In the figure: the device comprises a shell 1, a mounting cavity 2, a forward protrusion 3, a first electric contact 4, a guide rail 5, a sliding block 6, a second electric contact 7, a rotating rod 8, a pressing plate 9, an air spring 10, an insertion hole 11, a third electric contact 12, an insertion sheet 13, a lateral protrusion 14, a conductive plate 15, a cylinder 16, a clamping spring 17, an electromagnet 18 and a return spring 19.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

Examples

Referring to fig. 1-3, an electric shock preventing socket comprises a square casing 1, a mounting cavity 2 is arranged in the casing 1, a positive protrusion 3 is symmetrically and convexly arranged on the inner wall of the rear side of the mounting cavity 2, a first electric contact 4 is embedded on the front side of the positive protrusion 3, guide rails 5 are fixedly connected with the inner walls of the front side and the rear side of the mounting cavity 2, a sliding block 6 is slidably connected on the guide rails 5, a reset spring 19 is movably sleeved on the outer wall of the guide rails 5, two ends of the reset spring 19 respectively abut against the casing 1 and the sliding block 6, a through hole is arranged at the upper end of the guide rails 5 on the sliding block 6, a rotating rod 8 is vertically and fixedly connected with the upper inner wall and the lower inner wall of the through hole, an abutting plate 9 is fixedly sleeved on the outer wall of the rotating rod 8, air springs 10 are fixedly connected on the inner wall of the through hole and on two sides of the abutting plate 9, the air springs 10, third electric contacts 12 are symmetrically embedded in the front surface of the pressing plate 9, jacks 11 are formed in the front surface of the shell 1 and at positions corresponding to the third electric contacts 12, inserting pieces 13 are inserted into the jacks 11, and the jacks 11 and the inserting pieces 13 respectively belong to components of an existing socket and an existing plug;

lateral protrusions 14 are symmetrically and convexly arranged on the left side and the right side of the installation cavity 2, a current-conducting plate 15 is fixed on one opposite side of each of the two lateral protrusions 14, fourth electric contacts are arranged on two sides of the pressing plate 9, and clamping devices are symmetrically arranged in the installation cavity 2 relative to the guide rails 5.

The cross section of the guide rail 5 is square, so that the possibility that the sliding block 6 overturns on the guide rail 5 is avoided, and the sliding block can only slide towards the rear side of the mounting cavity 2 under stress.

Clamping device includes two longitudinal symmetry fixed connection at the barrel 16 of 2 inner walls of installation cavity, 2 inner walls of installation cavity and at the inboard fixedly connected with clamping spring 17 of barrel 16, the equal fixedly connected with electro-magnet 18 of one end that clamping spring 17 kept away from casing 1, electro-magnet 18 is vertical to sliding connection in barrel 16, electro-magnet 18, the fourth electrical contact, current conducting plate 15 passes through the converter and establishes ties with mains supply, two electro-magnets 18 repel each other and set up, two electro-magnets 18 press from both sides tightly inserted sheet 13, avoid supporting clamp plate 9 automatic re-setting under reset spring 19's elasticity.

An insulating sheet is fixed at one end of the electromagnet 18 far away from the shell 1, so that the electromagnet 18 is prevented from being influenced by the electric conduction.

Before use, the sliding block 6 is close to the front side of the housing 1, the pressing plate 9 is located at the front side of the lateral protrusion 14, and the fourth electrical contact is not in contact with the conductive plate 15.

When the plug is used normally, two inserting sheets 13 on the plug are inserted through the inserting holes 11 correspondingly respectively until the second electric contact 7 is contacted with the corresponding first electric contact 4, in the process, the inserting sheets 13 are contacted with the third electric contact 12 firstly, then the sliding block 6 is driven to move towards the rear side direction of the mounting cavity 2, in the moving process, the reset spring 19 is gradually compressed, the fourth electric contacts at two ends of the pressing plate 9 are contacted with the conducting plates 15 corresponding to the positions respectively, the electromagnets 18 are electrified, the two electromagnets 18 move oppositely and compress the clamping spring 17, a gap enough for the inserting sheets 13 to pass is formed between the two electromagnets 18, when the fourth electric contact is not contacted with the conducting plates 15, the fourth electric contact enters the rear side of the lateral bulge 14, the two electromagnets 18 in the clamping device are not electrified, and the insulating sheets in the two electromagnets 18 are clamped on the inserting sheets 13 under the elastic force of the clamping spring 17, the user increases the dynamics and promotes to support clamp plate 9 and remove to installation cavity 2 rear side, until second electrical contact 7 and the contact of first electrical contact 4, realizes the circular telegram, just can switch on in inserting installation cavity 2 completely at inserted sheet 13, avoids inserted sheet 13 part to expose, touches the electric shock that causes because of the mistake.

When the tab 13 is in contact with the third electrical contact 12 and the second electrical contact 7 is in contact with the first electrical contact 4, the normal energization state is established.

When children or people with mental defects use a conductive object to enter the installation cavity 2 through the jack 11, the conductive object pushes the pressing plate 9 to move towards the rear side of the installation cavity 2, due to the fact that the pressing plate 9 is stressed on one side of the rotating rod 8, one end of the pressing plate 9 can be driven to rotate towards the rear side by taking the rotating rod 8 as a circle center, the vertical distance between the two ends of the pressing plate 9 is smaller than the distance between the two current conducting plates 15, the fourth electric contacts at the two ends of the pressing plate 9 are not in contact with the current conducting plates 15, the two electromagnets 18 are not electrified, insulating sheets on the two electromagnets 18 are in abutting contact under the elastic force of the clamping spring 17, the pressing plate 9 cannot be pushed continuously under the blocking of the two electromagnets 18, the second electric contact 7 cannot be in contact with the first electric contact 4, and the electric shock.

The return spring 19 returns the slide block 6, the clamp spring 17 returns the electromagnet 18, and the air spring 10 returns the pressing plate 9.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. An electric shock prevention socket comprises a square shell (1) and is characterized in that a mounting cavity (2) is arranged in the shell (1), a forward bulge (3) is symmetrically and convexly arranged on the inner wall of the rear side of the mounting cavity (2), a first electric contact (4) is embedded in the front of the forward bulge (3), guide rails (5) are fixedly connected with the inner walls of the front side and the rear side of the mounting cavity (2), sliding blocks (6) are slidably connected on the guide rails (5), a reset spring (19) is movably sleeved on the outer wall of the guide rails (5), two ends of the reset spring (19) are respectively abutted against the shell (1) and the sliding blocks (6), through holes are formed in the upper ends of the guide rails (5) of the sliding blocks (6), rotating rods (8) are vertically and fixedly connected with the upper inner wall and the lower inner wall of the through holes, abutting plates (9) are fixedly sleeved on the outer wall, air springs (10) are fixedly connected to the inner wall of the through opening and two sides of the pressing plate (9), the air springs (10) are abutted to the pressing plate (9), a second electric contact (7) is embedded in the back face of the pressing plate (9) and at the corresponding position of the first electric contact (4), third electric contacts (12) are symmetrically embedded in the front face of the pressing plate (9), inserting holes (11) are formed in the front face of the shell (1) and at the corresponding position of the third electric contacts (12), and inserting pieces (13) are inserted into the inserting holes (11);

lateral bulges (14) are symmetrically and convexly arranged at the left side and the right side of the mounting cavity (2), a conductive plate (15) is fixed at one opposite side of the two lateral bulges (14), the two sides of the pressing plate (9) are provided with fourth electric contacts, clamping devices are symmetrically arranged in the installation cavity (2) relative to the guide rail (5), the clamping device comprises two cylinder bodies (16) which are vertically symmetrical and fixedly connected with the inner wall of the mounting cavity (2), a clamping spring (17) is fixedly connected with the inner wall of the mounting cavity (2) and the inner side of the cylinder body (16), one end of the clamping spring (17) far away from the shell (1) is fixedly connected with an electromagnet (18), the electromagnet (18) is vertically connected into the barrel (16) in a sliding mode, the electromagnet (18), the fourth electric contact and the conducting plate (15) are connected with a mains supply in series through a converter, and the electromagnets (18) are arranged in a repulsion mode.

2. An electric shock protection socket according to claim 1, wherein the cross-section of the guide rail (5) is square.

3. An electric shock protection socket according to claim 1, wherein an insulating sheet is fixed to the end of the electromagnet (18) remote from the housing (1).