CN209859891U

CN209859891U - Waterproof leakage protector

Info

Publication number: CN209859891U
Application number: CN201921119584.9U
Authority: CN
Inventors: 张奎栋; 陈益平; 陈国富; 君威
Original assignee: SHENZHEN NANDAO ELECTRO MACHINERY CO Ltd
Current assignee: SHENZHEN NANDAO ELECTRO MACHINERY CO Ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2019-12-27
Anticipated expiration: 2029-07-16

Abstract

The utility model provides a waterproof earth-leakage protector relates to the technical field of the relevant equipment of electric power, and this waterproof earth-leakage protector includes casing and lower casing, should the extension is located in the through-hole, just the seal groove overcoat is equipped with the sealing washer, the sealing washer is used for sealing the ply-yarn drill with gap between the through-hole inner wall. The electric wire of the waterproof leakage protector provided by the utility model passes through the through hole formed by the upper shell and the lower shell, so that the internal and external electric connection of the waterproof leakage protector is realized; have the extension on the ply-yarn drill, this extension is located the through-hole that mounting groove and lower mounting groove formed, at the seal groove inner seal circle of extension, and extension and through-hole inner wall extrusion seal groove ensure to seal between extension and the through-hole inner wall, and water can't be followed here and entered into in the waterproof earth-leakage protector like this, solve waterproof earth-leakage protector waterproof nature poor, the problem of easily intaking.

Description

Waterproof leakage protector

Technical Field

The utility model belongs to the technical field of the technique of the relevant equipment of electric power and specifically relates to a waterproof earth-leakage protector is related to.

Background

Most of the existing leakage protection plugs are simply protected, and the waterproof function is realized only by simply adding a waterproof rubber ring. The waterproof function of the mode is unstable, the requirement on an assembly process is strict, and the cost is higher.

When the waterproof sealing material is applied to environments with high humidity such as bathrooms and kitchens, internal water enters due to the lack of waterproof sealing performance, electronic elements are short-circuited, and the leakage protection function is lost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a waterproof earth-leakage protector to it is poor to solve present earth-leakage protection plug waterproof nature, the technical problem of easily intaking.

The utility model provides a waterproof earth-leakage protector, including upper casing and lower casing, be provided with the upper mounting groove on the upper casing, be provided with the lower mounting groove that corresponds with the upper mounting groove on the lower casing, upper mounting groove and lower mounting groove form the through-hole, the electric wire of waterproof earth-leakage protector passes the through-hole and exposes outside the protector shell; be provided with the ply-yarn drill on the electric wire, the ply-yarn drill is provided with an extension be provided with the seal groove on the extension, this the extension is located in the through-hole, just be in the seal groove overcoat is equipped with the sealing washer, the sealing washer be used for sealing the ply-yarn drill with gap between the through-hole inner wall.

Furthermore, the upper mounting groove and the lower mounting groove are respectively provided with a first protruding sealing tooth, and the sealing ring is arranged between the two first sealing teeth; the two first sealing buckles press the sealing ring to generate interference, and the sealing ring is made of silicon rubber or PVC.

Further, an upper ultrasonic matching part is arranged on the upper shell, and a lower ultrasonic matching part matched with the upper ultrasonic matching part is arranged on the lower shell; the upper ultrasonic matching part and the lower ultrasonic matching part are welded under the action of ultrasonic waves, so that the upper shell and the lower shell are connected in a sealing mode, and a protector shell is formed.

Furthermore, the device also comprises a waterproof key, a fixed cover plate and an electric leakage protection machine core; the leakage protection machine core is connected with an electric wire, and a fixed cover plate, a waterproof button and an upper shell are sequentially arranged at the upper end of the leakage protection machine core; the fixed cover plate is used for fixing the waterproof key on the upper shell.

Further, a lamp hole, a first mounting hole and a second mounting hole are formed in the upper shell; the leakage protection machine core is provided with an indicator lamp corresponding to the lamp hole, a reset key corresponding to the first mounting hole and a test key corresponding to the second mounting hole; the waterproof key is provided with a light guide column corresponding to the indicator light, a reset key sleeve corresponding to the reset key and a test key column corresponding to the test key; one end of the light guide column is arranged in the light hole in an interference manner, and the other end of the light guide column corresponds to the indicator light and is used for guiding out the light of the indicator light; the reset key sleeve is sleeved on the reset key, and the reset key is arranged on the first mounting hole; one end of the test key column is fixed on the second mounting hole, and the other end of the test key column is in contact with the test key.

Further, a second sealing boss is respectively arranged on the first mounting hole and the second mounting hole; the second sealing boss is arranged around the outer sides of the first mounting hole and the second mounting hole respectively; the fixed cover plate is provided with positioning holes, and positioning columns which correspond to the positioning holes one to one are arranged on the inner side of the upper shell.

Furthermore, the leakage protection movement comprises a circuit board and a tripping mechanism assembly, wherein the circuit board is arranged on the tripping mechanism assembly; the tripping mechanism assembly comprises two movable contact pieces, and the two movable contact pieces are respectively connected with a zero line and a live line of a wire; the movable contact piece comprises a contact piece main body, a first bending piece and a second bending piece, the first bending piece and the second bending piece are arranged at one end of the contact piece main body, a through hole is formed in the first bending piece, and the zero line or the live line penetrates through the through hole and then is welded; the second bending sheet is used for being connected with the circuit board; a fixing component is arranged on the tripping mechanism component and comprises a first fixing rib, a second fixing rib and a third fixing rib; the first fixing rib and the second fixing rib fix one end of the contact piece main body close to the first bending piece; the second fixing rib and the third fixing rib are used for fixing the first bending piece and the second bending piece.

Furthermore, the waterproof leakage protector also comprises an input static contact piece connected with the movable contact piece; the leakage protection machine core is provided with a fixed frame, and the fixed frame is used for fixing the input static contact; and a convex clamping table is arranged in the fixed frame, and a clamping groove matched with the convex clamping table is arranged on the input static contact.

Further, fixed frame is provided with an opening, the input static contact can insert fixed frame in through the opening, just at the opening part fixed frame forms and is used for the restriction the spacing groove of input static contact roll-off from fixed frame in.

The novel plug-in connector further comprises a plug-in piece, wherein the plug-in piece comprises a plug-in piece main body and a connecting main body, and one end of the plug-in piece main body is connected with one end of the connecting main body; the lower shell is provided with a jack, the inserting piece main body is connected with a connecting main body positioned on the inner side of the lower shell through the jack, and the connecting main body is used for being connected with the input static contact piece; the leakage protection machine core is also provided with a guide groove, a fixed groove and a support groove; the first end of the guide groove is communicated with the fixed frame, the second end of the guide groove extends towards the lower shell, the fixed groove, the support groove and the second end of the guide groove are positioned on the same plane, and the guide groove, the fixed groove and the support groove form a communication groove for installing and connecting the main body; connecting body one side still is provided with the location boss, location boss and the constant head tank cooperation on the fixed frame prevent connecting body excessively inserts.

The electric wire of the waterproof leakage protector provided by the utility model passes through the through hole formed by the upper shell and the lower shell, so that the internal and external electric connection of the waterproof leakage protector is realized; have the extension on the ply-yarn drill, this extension is located the through-hole that mounting groove and lower mounting groove formed, at the seal groove inner seal circle of extension, and extension and through-hole inner wall extrusion seal groove ensure to seal between extension and the through-hole inner wall, and water can't be followed here and entered into in the waterproof earth-leakage protector like this, solve waterproof earth-leakage protector waterproof nature poor, the problem of easily intaking.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a longitudinal section of a waterproof earth-leakage protector provided in an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion A of the waterproof and creepage protector shown in FIG. 1;

fig. 3 is a partially enlarged view of B of the waterproof earth-leakage protector shown in fig. 1;

fig. 4 is a schematic view of an internal structure of the waterproof leakage protector provided in the embodiment of the present invention;

fig. 5 is a schematic view of another internal structure of the waterproof earth-leakage protector according to the embodiment of the present invention;

fig. 6 is an exploded view of the waterproof earth-leakage protector shown in fig. 1;

fig. 7 is a partially enlarged view of the waterproof earth-leakage protector shown in fig. 6;

fig. 8 is a schematic structural view of the movable contact piece of the waterproof leakage protector shown in fig. 7;

fig. 9 is a schematic structural view of the waterproof earth-leakage protector shown in fig. 6 from another angle of an exploded view.

Icon: 100-an upper shell; 101-a positioning column; 102-lamp hole; 103-a first mounting hole; 104-a second mounting hole; 105-an upper ultrasonic wave matching section; 106-a second seal boss; 107-lower ultrasonic wave matching section; 200-a lower housing; 201-mounting a groove; 202-lower mounting groove; 203-first sealing tooth; 300-line cards; 301-sealing groove; 400-sealing ring; 500-waterproof key; 501-light guide column; 502-reset key-sleeve; 503-test key post; 600-fixing the cover plate; 700-earth leakage protection movement; 701-an indicator light; 702-a reset button; 703-test key; 800-moving contact spring; 900-wire; 110-input static contact; 120-a fixed frame; 121-convex clamping table; 130-a limiting groove; 140-a tab body; 150-a connecting body; 151-positioning a boss; 160-a guide groove; 170-fixed slot; 180-support grooves; 190-positioning grooves; 210-a trip mechanism assembly; 220-a circuit board; 230-a first securing rib; 231-second fixing rib; 232-third fixing rib; 240-contact body; 250-a first bending piece; 260-second bending tab.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-9, the utility model provides a waterproof earth-leakage protector, including upper casing 100 and lower casing 200, upper casing 100 is provided with upper mounting groove 201, lower casing 200 is provided with lower mounting groove 202 corresponding to upper mounting groove 201, upper mounting groove 201 and lower mounting groove 202 form a through-hole, electric wire 900 of waterproof earth-leakage protector passes through the through-hole and exposes outside the protector shell;

be provided with ply-yarn drill 300 on the electric wire 900, ply-yarn drill 300 is provided with an extension be provided with seal groove 301 on the extension, this the extension is located in the through-hole, and seal groove 301 overcoat is equipped with sealing washer 400, sealing washer 400 be used for sealing ply-yarn drill 300 with the gap between the through-hole inner wall.

This waterproof earth-leakage protector includes electric wire 900, this electric wire 900 is used for inside and outside the connection protector shell, wire card 300 on this electric wire 900, wire card 300 one end has the extension, there is seal groove 301 on this extension, sealing washer 400 cover is established on seal groove 301, the extension of this wire card 300 is located mounting groove 201 and the through-hole that mounting groove 202 formed down, sealing washer 400 can play the gap between sealed extension and the through-hole inner wall like this, prevent that water from entering into in the waterproof earth-leakage protector along electric wire 900.

As shown in fig. 3, based on the above embodiment, further, protruding first sealing teeth 203 are respectively disposed in the upper mounting groove 201 and the lower mounting groove 202, and the sealing ring 400 is disposed between the two first sealing teeth 203; the two first sealing clasps 203 press the sealing ring 400 to generate interference, and the sealing ring is made of silicon rubber or PVC.

In some embodiments, the upper mounting groove 201 and the lower mounting groove 202 are provided with the first sealing fastening teeth 203, the two first sealing fastening teeth 203 form a circle, and when the wire 900 is mounted in the through hole, the first sealing fastening teeth 203 contact with the sealing ring 400, so that the sealing ring 400 deforms, and thus the through hole and the extension part are better sealed, and a better waterproof effect is achieved.

The sealing ring is made of silicon rubber or PVC; when the first sealing tooth 203 acts on the sealing ring 400, the sealing ring 400 can be deformed and generate interference, so that the waterproof purpose is achieved.

As shown in fig. 1 and fig. 2, based on the above embodiment, further, an upper ultrasonic matching unit 105 is provided on the upper housing 100, and a lower ultrasonic matching unit 107 matched with the upper ultrasonic matching unit 105 is provided on the lower housing 200; the upper ultrasonic matching part 105 and the lower ultrasonic matching part 107 are welded under the action of ultrasonic waves, so that the upper shell 100 and the lower shell 200 are hermetically connected, and a protector shell is formed.

In some embodiments, the upper ultrasonic wave matching part 105 of the upper shell 100 of the waterproof earth-leakage protector is a groove, and the lower ultrasonic wave matching part 107 of the lower shell 200 is a tongue, or the upper ultrasonic wave matching part 105 of the upper shell 100 is a tongue, and the lower ultrasonic wave matching part 107 of the lower shell 200 is a groove.

After the upper ultrasonic matching part 105 and the lower ultrasonic matching part 107 are matched, ultrasonic welding molecule transfer can be formed under the action of ultrasonic waves, and the waterproof effect between the upper shell 100 and the lower shell 200 of the waterproof leakage protector is ensured.

Based on the above embodiment, further, the electric leakage protection device further includes a waterproof button 500, a fixed cover plate 600 and an electric leakage protection movement 700;

the leakage protection movement 700 is connected with a wire 900, and a fixed cover plate 600, a waterproof button 500 and an upper shell 100 are sequentially arranged at the upper end of the leakage protection movement 700; the fixing cover 600 is used to fix the waterproof button 500 on the upper housing 100.

In some embodiments, a waterproof button 500, a fixed cover plate 600, and a leakage protection core 700 are further disposed in the protector housing, the leakage protection core 700 is a conventional technology, a function key is disposed on the leakage protection core 700, the function key corresponds to a button on the waterproof button 500 one by one, and the button of the waterproof button 500 can be exposed outside the upper housing 100 through a through hole of the upper housing 100.

As shown in fig. 6, based on the above embodiment, further, a lamp hole 102, a first mounting hole 103 and a second mounting hole 104 are provided on the upper housing 100; the earth leakage protection core 700 is provided with an indicator lamp 701 corresponding to the lamp hole 102, a reset key 702 corresponding to the first mounting hole 103 and a test key 703 corresponding to the second mounting hole 104; the waterproof key 500 is provided with a light guide column 501 corresponding to the indicator lamp 701, a reset key sleeve 502 corresponding to the reset key 702 and a test key column 503 corresponding to the test key 703; one end of the light guide column 501 is arranged in the lamp hole 102 in an interference manner, and the other end of the light guide column corresponds to the indicator lamp 701 and is used for guiding out light of the indicator lamp 701; the reset key sleeve 502 is sleeved on the reset key 702, and the reset key 702 is installed on the first installation hole 103; one end of the test key post 503 is fixed on the second mounting hole 104, and the other end of the test key post contacts the test key 703.

Based on the above embodiment, further, second sealing bosses 106 are respectively disposed on the first mounting hole 103 and the second mounting hole 104; the second sealing boss 106 is disposed along the outer sides of the first mounting hole 103 and the second mounting hole 104.

In some embodiments, the upper housing 100 is provided with a lamp hole 102, a first mounting hole 103 and a second mounting hole 104, and a second sealing boss 106 is provided around the first mounting hole 103 and the second mounting hole 104 inside the upper housing 100.

The function keys on the earth leakage protection movement 700 comprise an indicator lamp 701, a reset key 702 and a test key 703, the indicator lamp 701 transmits light to the light guide column 501 on the waterproof key 500 through a first through hole on the fixed cover plate 600, the light guide column 501 is installed in the lamp hole 102 of the upper shell 100, and in order to prevent water from entering the waterproof earth leakage protector from the lamp hole 102, the light guide column 501 is installed on the lamp hole 102 in an interference manner.

The reset key 702 is inserted into the reset key sleeve 502 of the waterproof key 500 through the second through hole, the reset key sleeve 502 is exposed outside the upper shell 100 through the first mounting hole 103, the waterproof key 500 is generally made of silica gel, and the reset key 702 is operated by pressing the reset key sleeve 502.

The test key 703 is exposed on the fixed cover plate 600 through the third through hole, one end of the test key column 503 is inserted into the second mounting hole 104, and the other end of the test key column contacts the test key 703 and does not pass through pressing the test key column 503, so that the operation of the test key 703 is realized.

The fixed cover plate 600 fixes the waterproof key 500 between the upper casing 100 and the fixed cover plate 600, and the second sealing boss 106 is disposed in the first mounting hole 103 and the second mounting hole 104, so that the tightness of the connection between the waterproof key 500 and the upper casing 100 can be increased, and water is prevented from entering the waterproof leakage protector from the first mounting hole 103 and the second mounting hole 104.

Based on the above embodiments, further, the fixing cover plate 600 is provided with positioning holes, and the inner side of the upper casing 100 is provided with positioning posts 101 corresponding to the positioning holes one to one.

In some embodiments, the fixing cover plate 600 is provided with positioning holes, the positioning posts 101 are provided on the inner side of the upper casing 100, and generally, four positioning holes are provided on the fixing cover plate 600, and the four positioning holes cooperate with the four positioning posts 101 to perform the functions of fixing the cover plate 600 and positioning.

As shown in fig. 6-8, based on the above embodiments, further, the earth leakage protection core 700 includes a circuit board 220 and a trip mechanism assembly 210, where the circuit board 220 is disposed on the trip mechanism assembly 210; the tripping mechanism assembly 210 comprises two movable contact pieces 800, and the two movable contact pieces 800 are respectively connected with a zero line and a live line of a wire; the movable contact piece 800 comprises a contact piece main body 240, a first bending piece 250 and a second bending piece 260, the first bending piece 250 and the second bending piece 260 are arranged at one end of the contact piece main body 240, a through hole is formed in the first bending piece 250, and the zero line or the live line penetrates through the through hole and then is welded; the second bending piece 260 is used for connecting with the circuit board 220; a fixing component is arranged on the tripping mechanism component 210, and comprises a first fixing rib 230, a second fixing rib 231 and a third fixing rib 232; the first fixing rib 230 and the second fixing rib 231 fix one end of the contact piece body 240 near the first bending piece 250;

the second fixing rib 231 and the third fixing rib 232 are used to fix the first bending piece 250 and the second bending piece 260.

In some embodiments, the circuit board of the earth leakage protection movement is disposed on a trip mechanism assembly, and two movable contacts 800 are disposed on the trip mechanism assembly, wherein one movable contact 800 is welded to the live wire at one end and detachably connected to the input stationary contact 110 at the other end, and the other movable contact 800 is welded to the neutral wire at one end and connected to the other input stationary contact 110 at the other end.

One end of the movable contact piece 800 comprises a first bending piece 250 and a second bending piece 260, wherein the first bending piece 250 is provided with a through hole, when the zero line or the live line firstly passes through the through hole, the welding is carried out, and the firmness of the connection between the zero line or the live line and the first bending piece 250 is increased.

As shown in fig. 7, the second bending piece 260 is connected to the circuit board 220 and can supply power to the circuit board 220; the fixation assembly includes a first fixation rib 230, a second fixation rib 231, and a third fixation rib 232, the first fixation rib 230 being located at the upper end of the contact body 240, the second fixation rib 231 being located at the lower end of the contact body 240, the second fixation rib 231 being capable of supporting the contact body 240, the first fixation rib 230 being capable of fixing the contact body 240 to the second fixation rib 231; the first and second bending pieces 250 and 260 of the movable contact 800 are fixed between the first and third fixing ribs 230 and 232; and the third fixing rib 232 can serve as a support for the second bending piece 260.

The fixing assembly fixes the end of the moving contact piece 800 by engaging the first bending piece 250 and the second bending piece 260, and prevents the end of the moving contact piece 800 from moving in a length direction of the moving contact piece 800 and in a length direction of the second bending piece 260.

This tripping device subassembly 210 still includes armature spring, armature, the gimbal, spacing card, reset spring, reset key holds in the palm and coil skeleton etc. when appearing the electric leakage, the coil skeleton that has the coil wound produces magnetic force, armature moves to coil skeleton, armature drives spacing card, make reset key hold in the palm the restriction that breaks away from spacing card, the gimbal holds in the palm the separation with reset key, the gimbal can't exert force to zero line movable contact piece and live wire movable contact piece again, live wire movable contact piece and zero line movable contact piece and circuit board separation, the circuit is cut off.

As shown in fig. 1, based on the above embodiment, further, the waterproof earth-leakage protector further includes an input static contact 110 for connecting with the movable contact 800 of the earth-leakage protection movement 700; the earth leakage protection movement 700 is provided with a fixed frame 120, and the fixed frame 120 is used for fixing the input static contact 110; a convex clamping table 121 is arranged in the fixed frame 120, and a clamping groove matched with the convex clamping table 121 is arranged on the input static contact piece 110.

In some embodiments, the input static contact of the waterproof earth-leakage protector can contact with the movable contact 800 of the earth-leakage protection core 700, when an electric leakage occurs, the earth-leakage protection core 700 separates the movable contact 800 from the input static contact 110, the fixed frame 120 is disposed on the earth-leakage protection core 700, and the input static contact 110 can be fixed at the fixed frame 120, so as to ensure that the movable contact 800 of the earth-leakage protection core 700 can be connected with the input static contact 110.

As shown in fig. 4, based on the above embodiment, further, the fixing frame 120 is provided with an opening through which the input static contact 110 can be inserted into the fixing frame 120, and the fixing frame 120 forms a limiting groove 130 at the opening for limiting the input static contact 110 from sliding out of the fixing frame 120.

In some embodiments, the waterproof earth-leakage protector comprises a plug, the plug is provided separately from the waterproof earth-leakage protector, the live wire of the plug is connected with the two input static contacts 110 of the waterproof earth-leakage protector, and if the plug also has an earth wire, the earth wire is directly connected with the earth wire in the waterproof earth-leakage protector.

The fixed frame 120 has an opening at one side, the input static contact 110 is inserted into the fixed frame 120 from the opening, and because the protruding position clamping table 121 is arranged in the fixed frame 120, the protruding position clamping table 121 is clamped in the clamping groove of the input static contact 110, so that the input static contact 110 is not easy to be separated from the opening.

The fixed frame 120 has a stopper groove 130 formed at an opening, and the stopper groove 130 can prevent the input static contact 110 from shaking in a direction perpendicular to the insertion direction of the input static contact 110.

As shown in fig. 2 and fig. 5, based on the above embodiment, further, the device further includes a tab, the tab includes a tab main body 140 and a connecting main body 150, and one end of the tab main body 140 is connected to one end of the connecting main body 150;

a jack is arranged on the lower shell 200, the insert sheet main body 140 is connected with a connecting main body 150 positioned on the inner side of the lower shell 200 through the jack, and the connecting main body 150 is used for being connected with the input static contact 110; the earth leakage protection movement 700 is further provided with a guide groove 160, a fixing groove 170 and a support groove 180; the first end of the guide groove 160 is communicated with the fixing frame 120, the second end extends toward the lower case 200, the fixing groove 170 and the supporting groove 180 are positioned on the same plane as the second end of the guide groove 160, and the guide groove 160, the fixing groove 170 and the supporting groove 180 form a communication groove for installing the connecting body 150; connecting body 150 one side still is provided with location boss 151, location boss 151 cooperates with constant head tank 190 on fixed frame 120, prevents connecting body 150 excessive insertion.

In some embodiments, the waterproof leakage protector is provided with a plug, so that the waterproof leakage protector can be directly plugged into a socket, the upper housing 100 is provided with a jack corresponding to the plug, one end of the plug main body 140 penetrates out of the inner side of the lower housing 200 through the jack, the other end of the plug main body is connected with the connecting main body 150, and the connecting main body 150 is located on the inner side of the lower housing 200.

The fixing frame 120 includes a guide groove 160, and the connecting body 150 is inserted along the guide groove 160 and connected with the input stationary contact 110; and the fixing groove 170 of the fixing frame 120 serves to restrict the shaking of the connecting body 150; when the insert is inserted into the socket, the supporting groove 180 can support the connecting body 150, prevent the insert body 140 from moving into the waterproof leakage protector, and ensure that the insert can be inserted in place on the socket.

The utility model provides a last ultrasonic wave matching part 105 that waterproof earth-leakage protector's protector shell's last casing 100 set up and lower ultrasonic wave matching part 107 that lower casing 200 set up under ultrasonic wave's effect, make last ultrasonic wave matching part 105 and lower ultrasonic wave matching part 107 form the transfer of supersound butt fusion molecule, thereby make and go up casing 100 and casing 200 and link together, make the junction of going up casing 100 and casing 200 have good leakproofness, improve this waterproof earth-leakage protector's waterproof nature, make it be difficult for intaking.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A waterproof leakage protector is characterized by comprising a protector shell, wherein the protector shell comprises an upper shell and a lower shell, an upper mounting groove is formed in the upper shell, a lower mounting groove corresponding to the upper mounting groove is formed in the lower shell, through holes are formed in the upper mounting groove and the lower mounting groove, and electric wires of the waterproof leakage protector penetrate through the through holes and are exposed out of the protector shell;

be provided with the ply-yarn drill on the electric wire, the ply-yarn drill is provided with an extension be provided with the seal groove on the extension, this the extension is located in the through-hole, just be in the seal groove overcoat is equipped with the sealing washer, the sealing washer be used for sealing the ply-yarn drill with gap between the through-hole inner wall.

2. The waterproof leakage protector according to claim 1, wherein the upper mounting groove and the lower mounting groove are respectively provided with a first protruding sealing tooth, and the sealing ring is arranged between the two first sealing teeth; the two first sealing buckles press the sealing ring to generate interference, and the sealing ring is made of silicon rubber or PVC.

3. The waterproof earth-leakage protector according to claim 1, wherein an upper ultrasonic matching portion is provided on the upper case, and a lower ultrasonic matching portion matched with the upper ultrasonic matching portion is provided on the lower case; the upper ultrasonic matching part and the lower ultrasonic matching part are welded under the action of ultrasonic waves, so that the upper shell and the lower shell are connected in a sealing mode, and the protector shell is formed.

4. The waterproof earth-leakage protector according to claim 1, further comprising a waterproof button, a fixed cover plate and an earth-leakage protection movement;

the leakage protection machine core is connected with an electric wire, and a fixed cover plate, a waterproof button and an upper shell are sequentially arranged at the upper end of the leakage protection machine core; the fixed cover plate is used for fixing the waterproof key on the upper shell.

5. The waterproof earth-leakage protector according to claim 4, wherein the upper housing is provided with a lamp hole, a first mounting hole and a second mounting hole; the leakage protection machine core is provided with an indicator lamp corresponding to the lamp hole, a reset key corresponding to the first mounting hole and a test key corresponding to the second mounting hole;

the waterproof key is provided with a light guide column corresponding to the indicator light, a reset key sleeve corresponding to the reset key and a test key column corresponding to the test key;

one end of the light guide column is arranged in the light hole in an interference manner, and the other end of the light guide column corresponds to the indicator light and is used for guiding out the light of the indicator light;

the reset key sleeve is sleeved on the reset key, and the reset key is arranged on the first mounting hole;

one end of the test key column is fixed on the second mounting hole, and the other end of the test key column is in contact with the test key.

6. The waterproof earth-leakage protector according to claim 5, wherein the first mounting hole and the second mounting hole are respectively provided with a second sealing boss; the second sealing boss is arranged around the outer sides of the first mounting hole and the second mounting hole respectively;

the fixed cover plate is provided with positioning holes, and positioning columns which correspond to the positioning holes one to one are arranged on the inner side of the upper shell.

7. The waterproof earth-leakage protector according to claim 4, wherein the earth-leakage protection core comprises a circuit board and a tripping mechanism assembly, the circuit board being disposed on the tripping mechanism assembly;

the tripping mechanism assembly comprises two movable contact pieces, and the two movable contact pieces are respectively connected with a zero line and a live line of a wire;

the movable contact piece comprises a contact piece main body, a first bending piece and a second bending piece, the first bending piece and the second bending piece are arranged at one end of the contact piece main body,

the first bending piece is provided with a through hole, and the zero line or the live line penetrates through the through hole and then is welded;

the second bending sheet is used for being connected with the circuit board;

a fixing component is arranged on the tripping mechanism component and comprises a first fixing rib, a second fixing rib and a third fixing rib; the first fixing rib and the second fixing rib fix one end of the contact piece main body close to the first bending piece;

the second fixing rib and the third fixing rib are used for fixing the first bending piece and the second bending piece.

8. The waterproof earth-leakage protector according to claim 7, further comprising an input static contact for connecting with the movable contact;

the leakage protection machine core is provided with a fixed frame, and the fixed frame is used for fixing the input static contact;

and a convex clamping table is arranged in the fixed frame, and a clamping groove matched with the convex clamping table is arranged on the input static contact.

9. The waterproof earth-leakage protector according to claim 8, wherein the fixed frame is provided with an opening through which the input static contact can be inserted into the fixed frame, and at the opening the fixed frame forms a limit groove for limiting the input static contact from sliding out of the fixed frame.

10. The waterproof earth-leakage protector according to claim 8, further comprising an insert sheet, wherein the insert sheet comprises an insert sheet main body and a connecting main body, and one end of the insert sheet main body is connected with one end of the connecting main body;

the lower shell is provided with a jack, the inserting piece main body is connected with a connecting main body positioned on the inner side of the lower shell through the jack, and the connecting main body is used for being connected with the input static contact piece;

the leakage protection machine core is also provided with a guide groove, a fixed groove and a support groove; the first end of the guide groove is communicated with the fixed frame, the second end of the guide groove extends towards the lower shell, the fixed groove, the support groove and the second end of the guide groove are positioned on the same plane, and the guide groove, the fixed groove and the support groove form a communication groove for installing and connecting the main body;

connecting body one side still is provided with the location boss, location boss and the constant head tank cooperation on the fixed frame prevent connecting body excessively inserts.