CN112615185A

CN112615185A - Multifunctional electric shock prevention safety plug

Info

Publication number: CN112615185A
Application number: CN202011425216.4A
Authority: CN
Inventors: 夏豪
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-04-06

Abstract

The invention discloses a multifunctional anti-electric shock safety plug which comprises a plug shell with a concave cross section with an opening facing one side, wherein a sliding block is sleeved on the side wall of the plug shell in a sliding mode, two inserting pieces are fixedly connected in the sliding block, an installation plate is sleeved on the inner wall of a groove of the plug shell in a sliding mode through an installation groove, a plurality of first springs are fixedly connected between the installation plate and the inner side wall of the installation groove, two air holes are formed in the plug shell, two insulation blocks are sleeved on the side wall of the plug shell in a sliding mode, a second spring is fixedly connected between each insulation block and the plug shell, and through holes are formed in the insulation blocks. Has the advantages that: the plug can be normally connected only by pressing the insulating block, so that electric shock caused by electric leakage of the plug or water on the hand touching other parts of the plug during insertion is avoided, the safety is higher, self-protection can be realized during overheating, the plug can be used for detecting whether the socket is electrified or not, and the functionality is higher.

Description

Multifunctional electric shock prevention safety plug

Technical Field

The invention relates to the technical field of power connection devices, in particular to a multifunctional electric shock prevention safety plug.

Background

The plug is one of the common electricity-taking devices in life, and the connector of a common electronic product and the plug of an electrical appliance are called as plugs. A plug and a socket of a household alternating current power supply are provided with a male connector protruding in a rod shape or a copper plate shape, and a female connector type power supply socket plug inserted into a slot or a concave hole in a physical mode is usually connected with the socket and used for taking household electricity and supplying various electrical appliances.

In the prior art, the safety of the existing plug is poor, when the plug has electric leakage or water is adhered to the hand to use the plug, the plug has electric shock risk, and the existing plug does not have good protection measures when being overheated, so that a later fire disaster is easy to happen.

Disclosure of Invention

The invention aims to solve the problem of poor safety of a plug in the prior art, and provides a multifunctional anti-electric shock safety plug.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a multi-functional protection against electric shock safety plug, includes that the cross-section is the plug shell of the character cut in bas-relief of opening orientation one side, the sliding block has been cup jointed in the slip shell lateral wall slip, two inserted sheets of fixedly connected with in the sliding block, the mounting panel has been cup jointed through the mounting groove slip to the inner wall of plug shell recess, a plurality of first springs of fixedly connected with between mounting panel and the mounting groove inside wall, two gas pockets have been seted up in the plug shell, two collets have been cup jointed in the slip of plug shell lateral wall, fixedly connected with second spring between collet and the plug shell, the through-hole has been seted up in the collet, be provided with overheat protection device on the.

In foretell multi-functional protection against electric shock safety plug, overheat protection device is including seting up the function groove at the mounting panel lateral wall, the heat-conducting plate has been cup jointed in the function inslot slides, heat-conducting plate, mounting panel lateral wall all veneer have lug, picture peg, a plurality of memory metals of fixedly connected with between heat-conducting plate and the function inslot lateral wall, the function inslot lateral wall is inlayed and is had first conducting strip.

In foretell multi-functional protection against electric shock safety plug, detection alarm device includes that two set up the sliding tray at the sliding block lateral wall, two slide respectively in the sliding tray and cup jointed second conducting strip, third conducting strip, second conducting strip, third conducting strip and corresponding fixedly connected with third spring between the sliding tray inside wall, second conducting strip, third conducting strip and corresponding the inserted sheet offsets, be provided with protection resistance in the sliding block, plug shell lateral wall is provided with the warning light, first conducting strip, second conducting strip, third conducting strip, protection resistance, warning light pass through the wire electricity and connect.

In foretell multi-functional protection against electric shock safety plug, the inside wall of plug shell recess has cup jointed a plurality of stoppers through the spacing inslot slip, the stopper with correspond spacing spring of fixedly connected with between the spacing inslot side wall, the stopper glues with the sliding block lateral wall jointly.

In the multifunctional electric shock prevention safety plug, the through hole is consistent with the pore diameter of the air hole.

Compared with the prior art, the invention has the advantages that:

1. in the plug using process, if the insulating block is not pressed, the air hole is in a closed state, the plug is inserted into the plug, the plug shell groove is in a sealed state, the sliding block slides inwards at the moment, the mounting plate can slide inwards together, the inserting sheet cannot be contacted with the lug, the plug cannot be electrified no matter how the plug is inserted into the plug, only the insulating block is pressed, the air hole is communicated with the outside, the inserting plug can contact the inserting sheet with the lug to electrify the plug, the electric leakage of the plug or the electric shock risk caused by the fact that the plug is directly touched by water on the hand to use the plug is avoided, and the safety of the plug is greatly improved;

2. when the plug is used and the plug is overheated due to short circuit or other reasons, the memory metal reaches critical temperature and deforms at the moment, so that the heat conducting plate slides towards the functional groove, the second conducting plate is contacted with the inserting sheet and separated from the lug sheet, the lug sheet is contacted with the first conducting plate, the protective resistor is connected into a circuit, the current in the circuit is reduced, the heating value is reduced, meanwhile, the alarm lamp is lightened, a user is prompted that the plug is overheated, timely treatment is needed, and the occurrence of fire caused by overheating is avoided;

3. when the plug is not connected in the process of inserting the plug into the socket, the second conducting strip, the third conducting strip, the plug, the protective resistor and the alarm lamp form a closed loop, if the socket is normally powered on, the alarm lamp can be lightened, and if the socket is not powered on, the alarm lamp cannot be lightened, so that the socket can be detected whether the socket is powered on or not, and whether the socket is abnormal or not can be quickly judged.

Drawings

Fig. 1 is a schematic structural view of a multifunctional anti-electric shock safety plug according to the present invention;

FIG. 2 is an enlarged view of the position A of the multifunctional anti-electric shock safety plug provided by the present invention;

fig. 3 is a schematic structural view of the multifunctional anti-electric shock safety plug according to the present invention in the plugged state;

fig. 4 is a schematic circuit connection diagram of a multifunctional anti-electric shock safety plug according to the present invention.

In the figure: the device comprises a plug shell 1, a sliding block 2, an inserting sheet 3, a mounting groove 4, a mounting plate 5, a lug 6, an inserting sheet 7, an air hole 8, an insulating block 9, a through hole 10, a second spring 11, a first spring 12, a functional groove 13, a heat conducting plate 14, a memory metal 15, a first conducting sheet 16, a sliding groove 17, a second conducting sheet 18, a third spring 19, a third conducting sheet 20, a protective resistor 21, an alarm lamp 22, a limiting groove 23, a limiting block 24 and a limiting spring 25.

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. 1-4, a multifunctional anti-electric shock safety plug comprises a plug housing 1 with a concave-shaped cross section with an opening facing one side, a sliding block 2 is slidably sleeved on the side wall of the plug housing 1, two insertion pieces 3 are fixedly connected in the sliding block 2, a mounting plate 5 is slidably sleeved on the inner wall of a groove of the plug housing 1 through a mounting groove 4, a plurality of first springs 12 are fixedly connected between the mounting plate 5 and the inner side wall of the mounting groove 4, two air holes 8 are formed in the plug housing 1, two insulating blocks 9 are slidably sleeved on the side wall of the plug housing 1, the cross section of each insulating block 9 is in a T shape and penetrates through the corresponding air hole 8, a second spring 11 is fixedly connected between each insulating block 9 and the plug housing 1, a through hole 10 is formed in each insulating block 9, the through hole 10 formed in each insulating block 9 can be communicated with the corresponding air hole 8 by pressing the insulating block 9, the plug, a detection alarm device is arranged in the sliding block 2.

The overheat protection device comprises a functional groove 13 arranged on the side wall of the mounting plate 5, a heat conducting plate 14 is sleeved in the functional groove 13 in a sliding mode, the heat conducting plate 14 and the side wall of the mounting plate 5 are both glued with a lug 6 and an inserting plate 7, the lug 6 is connected with a line in equipment, the inserting plate 7 is an insulating plate, one end close to the sliding block 2 is arc-shaped, the inserting plate 7 can be inserted into a gap between the second conducting plate 18 and the third conducting plate 20 and the inserting plate 3 more smoothly, a plurality of memory metals 15 are fixedly connected between the heat conducting plate 14 and the inner side wall of the functional groove 13, and a first conducting plate 16 is embedded in the inner.

The detection alarm device comprises two sliding grooves 17 arranged on the side wall of the sliding block 2, a second conducting strip 18 and a third conducting strip 20 are respectively sleeved in the two sliding grooves 17 in a sliding mode, a third spring 19 is fixedly connected between the second conducting strip 18 and the third conducting strip 20 and the inner side wall of the corresponding sliding groove 17, the second conducting strip 18 and the third conducting strip 20 are abutted against the corresponding inserting pieces 3, a protection resistor 21 is arranged in the sliding block 2, the protection resistor 21 is a resistor with a larger resistance value, the current in the circuit can be instantly reduced when the circuit is connected into the circuit, the heat productivity in the circuit is reduced, an alarm lamp 22 is arranged on the side wall of the plug shell 1, a first conducting strip 16, a second conducting strip 18, a third conducting strip 20, the protection resistor 21 and the alarm lamp 22 are electrically connected through wires, as shown in fig. 4, the first conducting strip 16 and the third conducting strip 20 are electrically connected in parallel through the, The alarm lamp 22 and the protection resistor 21 are connected in series through a wire, so that when the plug is not connected in the process of inserting the plug-in sheet 3 into the socket, the second conducting sheet 18, the third conducting sheet 20, the plug-in sheet 3, the protection resistor 21 and the alarm lamp 22 form a closed loop, if the socket is normally powered on, the alarm lamp 22 is turned on, and if the socket is not electrically connected, the alarm lamp 22 is not turned on, so that whether the socket is powered on or not can be detected, and whether the socket is abnormal or not can be quickly judged.

The inside wall of 1 recess of plug shell has slided through spacing groove 23 and has cup jointed a plurality of stopper 24, and stopper 24 and the spacing spring 25 of fixedly connected with between the 23 inside walls of corresponding spacing groove, stopper 24 glue with 2 lateral walls of sliding block jointly, through stopper 24 and the sliding position of spacing groove 23 restriction sliding block 2.

The through holes 10 are in conformity with the pore diameter of the air holes 8.

In the invention, when the plug is used, if the plug is directly inserted into the socket by hand, the insulating block 9 is not pressed, the groove of the plug shell 1 is in a sealing state, and when the plug is inserted, the sliding block 2 moves towards the inside of the plug shell 1, the mounting plate 5 is driven to move towards the inside of the mounting groove, no matter how the plug is inserted, the inserting sheet 3 cannot be contacted with the lug 6, and the plug is always in a non-communicating state;

when the plug is inserted, the insulating block 9 is pressed to enable the insulating block 9 to slide into the plug shell 1, the through hole 10 is communicated with the air hole 8, the air hole 8 is opened, the plug is inserted into the socket, when the plug-in sheet 3 of the plug is inserted into the socket, the plug-in sheet 3 is firstly contacted with a reed in the socket, the plug-in sheet 3, the second conducting sheet 18, the third conducting sheet 20, the protective resistor 21 and the alarm lamp 22 form a closed loop, the alarm lamp 22 penetrates through the plug-in sheet, if the plug-in sheet 3 is lighted, the socket is normally electrified, if the alarm lamp 22 is not lighted in the insertion process, the socket is not electrified, and whether the socket is damaged needs to;

the plug is continuously inserted, the air hole 8 is in an open state at the moment, the air in the plug shell 1 can be pressed out through the air hole 8 by the movement of the sliding block 2, the mounting plate 5 does not move any more at the moment, the inserting sheet 3 can be contacted with the lug, meanwhile, the inserting plate 7 is inserted into a gap between the second conducting sheet 18 and the third conducting sheet 20 and the inserting sheet 3 to separate the second conducting sheet 18 and the third conducting sheet 20 from the inserting sheet 3, and at the moment, the plug is normally connected;

when the plug is pulled out, the insulating block 9 is firstly pressed, so that air enters the plug shell 1 through the air hole 8, the plug shell 1 and the sliding block 2 move relatively under the action of the elastic force of the limiting spring 25, the inserting piece 3 is firstly separated from the lug 6, the interior of the plug is firstly powered off, and then the plug is pulled out of the socket;

in the use process of the plug, if short circuit or other reasons exist to cause the plug to be overheated, heat is transferred to the memory metal 15 through the heat conducting plate 14, at the moment, the memory metal 15 reaches critical temperature and deforms, the heat conducting plate 14 slides towards the functional groove 13, the inserting plate 7 slides out between the second conducting plate 18 and the inserting plate 3, under the elastic action of the third spring 19, the second conducting plate 18 is in contact with the inserting plate 3, the inserting plate 3 is separated from the connecting plate 6, the connecting plate 6 is in contact with the first conducting plate 16, the protection resistor 21 is connected into a circuit, current in the circuit is reduced, heat productivity is reduced, meanwhile, the alarm lamp 22 is turned on, the fact that a user uses the plug to be overheated is prompted.

Although terms such as the plug housing 1, the sliding block 2, the insertion piece 3, the mounting groove 4, the mounting plate 5, the lug 6, the insertion plate 7, the air hole 8, the insulating block 9, the through hole 10, the second spring 11, the first spring 12, the functional groove 13, the heat conducting plate 14, the memory metal 15, the first conducting plate 16, the sliding groove 17, the second conducting plate 18, the third spring 19, the third conducting plate 20, the protective resistor 21, the warning lamp 22, the limiting groove 23, the limiting block 24, the limiting spring 25, and the like are used more frequently herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. A multifunctional anti-electric shock safety plug comprises a plug shell (1) with a concave-shaped cross section with an opening facing one side, and is characterized in that a sliding block (2) is sleeved on the side wall of the plug shell (1) in a sliding manner, two inserting pieces (3) are fixedly connected in the sliding block (2), a mounting plate (5) is sleeved on the inner wall of a groove of the plug shell (1) in a sliding manner through a mounting groove (4), a plurality of first springs (12) are fixedly connected between the mounting plate (5) and the inner side wall of the mounting groove (4), two air holes (8) are formed in the plug shell (1), two insulating blocks (9) are sleeved on the side wall of the plug shell (1) in a sliding manner, a second spring (11) is fixedly connected between the insulating blocks (9) and the plug shell (1), through holes (10) are formed in the insulating blocks (9), and an overheat protection device is arranged on the mounting plate (5, and a detection alarm device is arranged in the sliding block (2).

2. The multifunctional electric shock prevention safety plug according to claim 1, wherein the overheat protection device comprises a function groove (13) formed in the side wall of the mounting plate (5), a heat conducting plate (14) is sleeved in the function groove (13) in a sliding mode, the heat conducting plate (14) and the side wall of the mounting plate (5) are both glued with a lug (6) and a plug board (7), a plurality of memory metals (15) are fixedly connected between the heat conducting plate (14) and the inner side wall of the function groove (13), and a first conducting plate (16) is inlaid in the inner side wall of the function groove (13).

3. The multifunctional electric shock prevention safety plug as claimed in claim 2, wherein the detection alarm device comprises two sliding grooves (17) formed in the side wall of the sliding block (2), a second conductive sheet (18) and a third conductive sheet (20) are respectively sleeved in the two sliding grooves (17) in a sliding manner, a third spring (19) is fixedly connected between the second conductive sheet (18) and the third conductive sheet (20) and the inner side wall of the corresponding sliding groove (17), the second conductive sheet (18) and the third conductive sheet (20) are abutted to the corresponding insertion sheet (3), a protection resistor (21) is arranged in the sliding block (2), an alarm lamp (22) is arranged on the side wall of the plug shell (1), and the first conductive sheet (16), the second conductive sheet (18), the third conductive sheet (20), the protection resistor (21) and the protection resistor (21) are arranged on the side wall of the plug shell (1), The alarm lamp (22) is electrically connected by a wire.

4. The multifunctional electric shock prevention safety plug as claimed in claim 1, wherein a plurality of limiting blocks (24) are slidably sleeved on the inner side wall of the groove of the plug shell (1) through limiting grooves (23), limiting springs (25) are fixedly connected between the limiting blocks (24) and the corresponding inner side walls of the limiting grooves (23), and the limiting blocks (24) are glued with the side walls of the sliding block (2) together.

5. A multifunctional electric shock protection safety plug as claimed in claim 1, characterized in that the through hole (10) is in accordance with the diameter of the air hole (8).