阅读说明：本技术 一种双功率漏电保护器的开闭装置 (Opening and closing device of double-power leakage protector ) 是由 钱加灿 于 2019-11-07 设计创作，主要内容包括：本发明公开了一种双功率漏电保护器的开闭装置,涉及电器设备保护技术领域,包括：两个连通装置、弹片压块、同步压块、弹片和保护器底板；保护器底板上还设有接线端子；弹片压块上设有轴套旋转驱动块、竖叉槽和侧压杆；连通装置上设有横向伸出的连通铁芯,连通铁芯与竖叉槽卡接配合；同步压块底部设有同步压杆,同步压块两侧设有轴套旋转抵接块,弹片压块上的轴套旋转驱动块与轴套旋转抵接块配合抵接；连通铁芯通过竖叉槽带动弹片压块旋转,使得位于弹片压块底部的侧压杆将弹片下压,弹片压块旋转可带动同步压块同步旋转从而使同步压杆同时下压弹片,使负载连通电源,从而实现了对双负载进行漏电保护的效果,并且整体结构简洁。(The invention discloses a switching device of a double-power leakage protector, which relates to the technical field of electrical equipment protection and comprises: the two communication devices, the elastic sheet pressing block, the synchronous pressing block, the elastic sheet and the protector bottom plate; the protector bottom plate is also provided with a wiring terminal; the elastic piece pressing block is provided with a shaft sleeve rotation driving block, a vertical fork groove and a side pressing rod; the communicating device is provided with a communicating iron core which extends transversely and is matched with the vertical fork groove in a clamping manner; the bottom of the synchronous pressing block is provided with a synchronous pressing rod, two sides of the synchronous pressing block are provided with shaft sleeve rotating abutting blocks, and a shaft sleeve rotating driving block on the elastic sheet pressing block is abutted with the shaft sleeve rotating abutting blocks in a matched mode; the intercommunication iron core drives the shell fragment briquetting rotatory through erecting the fork groove for the side pressure pole that is located shell fragment briquetting bottom pushes down the shell fragment, thereby the shell fragment briquetting rotation can drive synchronous briquetting synchronous revolution and make synchronous depression bar push down the shell fragment simultaneously, makes the load intercommunication power, thereby has realized carrying out earth leakage protection's effect to dual-load, and overall structure is succinct.)

1. An opening and closing device of a dual power earth leakage protector, comprising: the protector comprises two communication devices (1), elastic piece pressing blocks (2), synchronous pressing blocks (8), elastic pieces (11) and a protector bottom plate (3), wherein the synchronous pressing blocks (8) are located between the two elastic piece pressing blocks (2) which are arranged in parallel, and the two elastic piece pressing blocks (2) and the synchronous pressing blocks (8) rotate coaxially;

the protector bottom plate (3) is also provided with a wiring terminal (12), and the elastic piece pressing block (2) is used for controlling the closing of the elastic piece (11) and the wiring terminal (12);

the elastic piece pressing block (2) is provided with a shaft sleeve rotating driving block (4), a vertical fork groove (7) and a side pressing rod (17); a communicating iron core (16) which extends transversely is arranged on the communicating device (1), the communicating iron core (16) is in clamping fit with the vertical fork groove (7), and the communicating device (1) can drive the communicating iron core (16) to move linearly;

the bottom of the synchronous pressing block (8) is provided with a synchronous pressing rod (14), two sides of the synchronous pressing block (8) are provided with shaft sleeve rotating abutting blocks (13), a shaft sleeve rotating driving block (4) on the elastic sheet pressing block (2) is abutted with the shaft sleeve rotating abutting blocks (13) in a matching mode, and the elastic sheet pressing block (2) can drive the synchronous pressing block (8) to rotate synchronously through the matching of the shaft sleeve rotating driving block (4) and the shaft sleeve rotating abutting blocks (13);

when at least one communication device (1) is powered on, the communication iron core (16) drives the elastic sheet pressing block (2) to rotate through the vertical fork groove (7), so that the side pressing rod (17) positioned at the bottom of the elastic sheet pressing block (2) presses down the elastic sheet (11), and the elastic sheet pressing block (2) rotates to drive the synchronous pressing block (8) to synchronously rotate, so that the synchronous pressing rod (14) simultaneously presses down the elastic sheet (11), and loads are communicated with a power supply.

2. The switch device of the dual-power earth-leakage protector according to claim 1, wherein the elastic sheet (11) comprises a first elastic sheet (21), a second elastic sheet (22), a third elastic sheet (23) and a PE wire elastic sheet (24), the first elastic sheet (21), the second elastic sheet (22), the third elastic sheet (23) and the PE wire elastic sheet (24) are disposed on the protector base plate (3), the connection terminal (12) comprises a second pin (25), a first pin (26), a ground pin (27) and an auxiliary connection pin (28), the auxiliary connection pin (28) is electrically connected with the first pin (26), the first pin (26) is connected with the live wire, and the second pin (25) is connected with the neutral wire;

the top of the second pin (25), the top of the first pin (26), the top of the ground pin (27) and the top of the auxiliary connecting pin (28) are provided with an electric connection contact point (29), the end parts of the first elastic sheet (21), the second elastic sheet (22), the third elastic sheet (23) and the PE wire elastic sheet (24) are provided with elastic sheet contacts (30) corresponding to the electric connection contact point (29), a side pressure lever (17) can be used for pressing the first elastic sheet (21) to be communicated with the first pin (26), another side pressure lever (17) can be used for pressing the third elastic sheet (23) to be communicated with the auxiliary connecting pin (28), the synchronous pressure lever (14) can be used for pressing the second elastic sheet (22) to be communicated with the second pin (25), and the synchronous pressure lever (14) can simultaneously press the PE wire elastic sheet (24) to be communicated with the ground pin (27).

3. The switch device of a dual-power earth-leakage protector as claimed in claim 1, wherein said resilient pieces (11) comprise a first resilient piece (21), a second resilient piece (22) and a third resilient piece (23); the first elastic sheet (21), the second elastic sheet (22) and the third elastic sheet (23) are arranged on the protector bottom plate (3), the wiring terminal comprises a second pin (25), a first pin (26), a ground pin (27) and an auxiliary connecting pin (28), the auxiliary connecting pin (28) is electrically connected with the first pin (26), the first pin (26) is connected with a live wire, and the second pin (25) is connected with a neutral wire;

the top of the second pin (25), the top of the first pin (26) and the top of the auxiliary connecting pin (28) are provided with an electric connection contact point (29), the end parts of the first elastic sheet (21), the second elastic sheet (22) and the third elastic sheet (23) are provided with elastic sheet contacts (30) corresponding to the electric connection contact point (29), one side pressure lever (17) can be used for pressing the first elastic sheet (21) down to be communicated with the first pin (26), the other side pressure lever (17) can be used for pressing the third elastic sheet (23) down to be communicated with the auxiliary connecting pin (28), the synchronous pressure lever (14) can be used for pressing the second elastic sheet (22) down to be communicated with the second pin (25), and the PE wire and the ground wire pin (27) can not be disconnected and can be kept communicated.

4. The switch device of a dual power earth-leakage protector according to claim 1, characterized in that the spring plate pressing block (2) is movably hinged with a pin shaft support (10) arranged on the protector base plate (3) through a rotating pin shaft (9).

5. The switching device of a dual power earth-leakage protector as claimed in claim 4, wherein, the spring plate pressing block (2) comprises a pressing block upper part (5) and a pressing block lower part (6), the vertical fork groove (7) is arranged at the upper part (5) of the pressing block, the lateral pressure lever (17) is arranged at the lower part (6) of the pressing block, the upper part (5) of the pressing block is hinged with the lower part (6) of the pressing block through a rotating pin shaft (9), a briquetting spring (18) in a compressed state is arranged between the upper part (5) of the briquetting and the lower part (6) of the briquetting, when the side pressure lever (17) is in a butt joint state with the elastic sheet (11), the elastic force of the pressure block spring (18) can enable the side pressure rod (17) to keep stable acting force on the elastic sheet (11), the shaft sleeve rotation driving block (4) is arranged on the rotating shaft sleeve of the upper part (5) or the lower part (6) of the pressing block.

6. The opening and closing device of a dual-power earth-leakage protector according to claim 5, characterized in that a hinged seat is provided at the hinged position of the upper pressing block part (5) and the lower pressing block part (6), the rotating pin shaft (9) is inserted into the hinged seat, a limit stop (19) is further provided on the hinged seat, and the limit stop (19) is used for controlling the opening angle between the upper pressing block part (5) and the lower pressing block part (6) when rotating around the rotating pin shaft (9) as the axis.

7. The switch device of a dual power earth-leakage protector according to claim 1, characterized in that the bottom of the communication device (1) is provided with a wedge-shaped fastening pin (20), and the communication device (1) is fastened and fixed with the protector base plate (3) through the fastening pin (20).

8. The switching device of a dual power earth-leakage protector as claimed in claim 1, wherein said communicating means (1) further comprises a communicating coil (31) and a communicating spring (32), said communicating coil (31) being fixed inside said communicating means (1), said communicating spring (32) and said communicating iron core (16) being horizontally disposed in an inner cavity of said communicating coil (31).

9. The opening and closing device of a dual-power earth-leakage protector as claimed in claim 6, wherein said hinge seat is provided with a pre-hinge device, said pre-hinge device comprises a boss (33) and a clamping groove (34), said boss (33) is located at the hinge position of said upper pressing block portion (5), said clamping groove (34) is located at the hinge position of said lower pressing block portion (6), and said pre-hinge of said upper pressing block portion (5) and said lower pressing block portion (6) is realized by the cooperation of said boss (33) and said clamping groove (34).

10. The opening and closing device of a dual-power earth-leakage protector as claimed in claim 6, wherein said hinge seat is provided with a pre-hinge device, said pre-hinge device comprises a boss (33) and a clamping groove (34), said clamping groove (34) is located at the hinge position of said upper pressing block portion (5), said boss (33) is located at the hinge position of said lower pressing block portion (6), and said pre-hinge of said upper pressing block portion (5) and said lower pressing block portion (6) is realized by the cooperation of said boss (33) and said clamping groove (34).

11. The switch device of double-power earth-leakage protector according to claim 5, characterized in that the upper (5) and lower (6) of said pressing block are provided with spring slots corresponding to the positions of pressing block springs (18), and spring posts are further provided in said spring slots, and said spring slots and spring posts are used for mounting said pressing block springs (18).

12. The switching device of a dual power earth-leakage protector according to claim 1, characterized in that said synchronization voltage block (8) is further provided with an indication block (15), said indication block (15) is located at the upper part of said synchronization voltage block (8), and said indication block (15) is red in color.

13. The switch device of the dual-power earth-leakage protector according to claim 2, wherein a bump (35) is disposed on the synchronization pressing rod (14) corresponding to the PE wire spring (24), and when the synchronization pressing rod (14) is pressed down, the bump (35) makes the PE wire spring (24) connect with the corresponding pin before the first spring (21), the second spring (22) and the third spring (23); when the side pressure lever (17) is lifted, the lug (35) enables the PE wire elastic sheet (24) to be disconnected with the corresponding pins after the first elastic sheet (21), the second elastic sheet (22) and the third elastic sheet (23).

14. The switch device of a dual power earth-leakage protector as claimed in claim 1, characterized in that said bushing rotary driving block (4) and said bushing rotary abutting block (13) are both open bushings.

15. The switch device of the dual power earth leakage protector according to claim 1, wherein the elastic sheet (11) comprises a first elastic sheet (21), a second elastic sheet (22), a third elastic sheet (23) and a PE wire elastic sheet (24), the first elastic sheet (21), the second elastic sheet (22), the third elastic sheet (23) and the PE wire elastic sheet (24) are disposed on the protector base plate (3), the connection terminal (12) comprises a second pin (25), a first pin (26), a ground pin (27) and an auxiliary connection pin (28), the auxiliary connection pin (28) is electrically connected with the first pin (26), the first pin (26) is connected with a neutral wire, and the second pin (25) is connected with a live wire;

the top of the second pin (25), the top of the first pin (26), the top of the ground pin (27) and the top of the auxiliary connecting pin (28) are provided with an electric connection contact point (29), the end parts of the first elastic sheet (21), the second elastic sheet (22), the third elastic sheet (23) and the PE wire elastic sheet (24) are provided with elastic sheet contacts (30) corresponding to the electric connection contact point (29), a side pressure lever (17) can be used for pressing the first elastic sheet (21) to be communicated with the first pin (26), another side pressure lever (17) can be used for pressing the third elastic sheet (23) to be communicated with the auxiliary connecting pin (28), the synchronous pressure lever (14) can be used for pressing the second elastic sheet (22) to be communicated with the second pin (25), and the synchronous pressure lever (14) can simultaneously press the PE wire elastic sheet (24) to be communicated with the ground pin (27).

16. The switch device of a dual-power earth-leakage protector as claimed in claim 1, wherein said resilient pieces (11) comprise a first resilient piece (21), a second resilient piece (22) and a third resilient piece (23); the first elastic sheet (21), the second elastic sheet (22) and the third elastic sheet (23) are arranged on the protector bottom plate (3), the wiring terminal comprises a second pin (25), a first pin (26), a ground pin (27) and an auxiliary connecting pin (28), the auxiliary connecting pin (28) is electrically connected with the first pin (26), the first pin (26) is connected with a live wire, the second pin (25) is connected with a neutral wire, the first pin (26) is connected with the neutral wire, and the second pin (25) is connected with the live wire;

the top of the second pin (25), the top of the first pin (26) and the top of the auxiliary connecting pin (28) are provided with an electric connection contact point (29), the end parts of the first elastic sheet (21), the second elastic sheet (22) and the third elastic sheet (23) are provided with elastic sheet contacts (30) corresponding to the electric connection contact point (29), one side pressure lever (17) can be used for pressing the first elastic sheet (21) down to be communicated with the first pin (26), the other side pressure lever (17) can be used for pressing the third elastic sheet (23) down to be communicated with the auxiliary connecting pin (28), the synchronous pressure lever (14) can be used for pressing the second elastic sheet (22) down to be communicated with the second pin (25), and the PE wire and the ground wire pin (27) can not be disconnected and can be kept communicated.

Technical Field

The invention relates to the technical field of electrical equipment protection, in particular to an opening and closing device of a double-power leakage protector.

Background

When the equipment has leakage fault or needs to protect the person with fatal danger from electric shock, the leakage protector can disconnect the main circuit in time, thereby being widely applied; the application technology of the leakage protector is mature, and the leakage protector is divided into a voltage type and a current type according to the protection principle. From the mechanical structure, there are self-locking type and attraction type, but the current or voltage mechanical self-locking type leakage protector is mainly used. The biggest characteristic of the mechanical self-locking structure is as follows: when the power supply of the working leakage protector is interrupted or the power supply loop is in phase failure and the line is in poor contact, the mechanical self-locking structure of the leakage protector in a closed state can not actively disconnect the closed contact, and at the moment, if the power supply loop is in abnormal phase failure and the ground wire is in abnormal electrification or leaks electricity, the leakage protector loses the protection effect, so that safety accidents are caused; therefore, the suction type application is more and more, and the electricity safety can be ensured; however, the design and use scenes of the existing leakage protector equipment can only carry out leakage protection on a single load, and cannot respectively carry out leakage protection on double loads; in order to solve the problems, the invention designs a novel leakage protector which can simultaneously and respectively perform leakage protection on double loads, and particularly can simultaneously and respectively perform leakage protection on two electric heating tubes when being suitable for products such as an electric water heater and the like.

The electric control mode adopted in the existing double-power electric appliance is to realize the micro-disconnection of the circuit through a relay, but because the opening distance is smaller and the safety is lower, a double-power leakage protector device capable of achieving the safe 3mm opening distance is required to replace the structure.

Disclosure of Invention

The invention provides an opening and closing device of a double-power leakage protector aiming at the defects in the prior art, and solves the problem that the existing leakage protector cannot respectively carry out effective and safe leakage protection on double loads.

To solve the above technical problem, the present invention provides an opening/closing device for a dual power leakage protector, comprising: the device comprises two communication devices, elastic sheet pressing blocks, synchronous pressing blocks, elastic sheets and a protector bottom plate, wherein the synchronous pressing blocks are located between the two elastic sheet pressing blocks which are arranged in parallel, and the two elastic sheet pressing blocks and the synchronous pressing blocks rotate coaxially;

the protector bottom plate is also provided with a wiring terminal, and the elastic piece pressing block is used for controlling the closing of the elastic piece and the wiring terminal; the elastic piece pressing block is provided with a shaft sleeve rotation driving block, a vertical fork groove and a side pressing rod; the communicating device is provided with a communicating iron core which extends transversely, the communicating iron core is in clamping fit with the vertical fork groove, and the communicating device can drive the communicating iron core to move linearly; the bottom of the synchronous pressing block is provided with a synchronous pressing rod, two sides of the synchronous pressing block are provided with shaft sleeve rotating abutting blocks, a shaft sleeve rotating driving block on the elastic sheet pressing block is abutted with the shaft sleeve rotating abutting blocks in a matched mode, and the elastic sheet pressing block can drive the synchronous pressing block to rotate synchronously through the matching of the shaft sleeve rotating driving block and the shaft sleeve rotating abutting blocks;

when at least one intercommunication device circular telegram, it is rotatory that the intercommunication iron core drives the shell fragment briquetting through erecting the fork groove for the side pressure pole that is located shell fragment briquetting bottom pushes down the shell fragment, thereby the shell fragment briquetting is rotatory to drive synchronous briquetting synchronous revolution and make synchronous depression bar push down the shell fragment simultaneously, make load intercommunication power, thereby realized that dual-power earth-leakage protector carries out earth-leakage protection's effect to dual-load simultaneously, and overall structure is succinct, can effectively save the cost, and reduce earth-leakage protector's whole volume, it is reliable and stable to still make the protection effect.

The connecting terminal comprises a second pin, a first pin, a ground wire pin and an auxiliary connecting pin, the auxiliary connecting pin is electrically connected with the first pin, the first pin is connected with the live wire, and the second pin is connected with the zero wire;

the top parts of the second pin, the first pin, the ground wire pin and the auxiliary connecting pin are provided with electric connection contact points, the end parts of the first elastic sheet, the second elastic sheet, the third elastic sheet and the PE wire elastic sheet are provided with elastic sheet contacts corresponding to the electric connection contacts, one side of the pressure lever can be used for pressing down the first elastic sheet to be communicated with the first pin, the other side of the pressure lever can be used for pressing down the third elastic sheet to be communicated with the auxiliary connecting pin, the synchronous pressure lever can be used for pressing down the second elastic sheet to be communicated with the second pin, and the synchronous pressure lever can simultaneously press down the PE wire elastic sheet to be communicated with the ground wire pin.

The elastic pieces comprise a first elastic piece, a second elastic piece and a third elastic piece; the first elastic sheet, the second elastic sheet and the third elastic sheet are arranged on the bottom plate of the protector, the connecting terminal comprises a second pin, a first pin, a ground wire pin and an auxiliary connecting pin, the auxiliary connecting pin is electrically connected with the first pin, the first pin is connected with the live wire, and the second pin is connected with the zero wire;

the second is participated in, first is participated in and is connected the foot top with supplementary and be equipped with the electricity and connect the contact point, first shell fragment, second shell fragment and third shell fragment tip all are equipped with and connect the corresponding shell fragment contact of contact with the electricity, one side depression bar can be used to push down first shell fragment and participate in the intercommunication with first, the opposite side depression bar can be used to push down third shell fragment and supplementary connection foot intercommunication, synchronous depression bar can be used to push down second shell fragment and participate in the intercommunication with the second, but PE line and ground wire participate in the not disconnection and keep the switch-on.

Wherein, the spring plate pressing block is movably hinged with a pin shaft support arranged on the bottom plate of the protector through a rotating pin shaft.

Wherein, the shell fragment briquetting includes briquetting upper portion and briquetting lower part, the setting of perpendicular fork groove is on briquetting upper portion, the side pressure pole sets up in the briquetting lower part, briquetting upper portion is articulated through rotatory pin shaft with the briquetting lower part, be equipped with compression state's briquetting spring between briquetting upper portion and the briquetting lower part, when side pressure pole and shell fragment are in the butt state, the elasticity of briquetting spring can make the side pressure pole to shell fragment stabilization power, the rotatory drive block setting of axle sleeve is on the rotation axis cover of briquetting upper portion or briquetting lower part, the setting of the rotatory butt piece of half open-ended axle sleeve and corresponding axle sleeve among the above-mentioned technical scheme, make the shell fragment briquetting just can promote the synchronous pivoting of the rotatory butt piece of axle sleeve through the rotatory drive block on the rotatory axle sleeve in the time of pivoting, even it is rotatory to get synchronous briquetting, and then realize pushing down the.

The hinge joint of the upper part of the pressing block and the lower part of the pressing block is provided with a hinge seat, a rotating pin shaft penetrates through the hinge seat, and the hinge seat is also provided with a limit stop block which is used for controlling an opening angle between the upper part of the pressing block and the lower part of the pressing block when the pressing block rotates by taking the rotating pin shaft as an axis; the position that briquetting upper portion and briquetting lower part correspond to set up the briquetting spring all is equipped with the spring groove, the spring inslot still is equipped with the spring post, spring groove and spring post are used for installing the briquetting spring, adopt briquetting upper portion and briquetting lower part to form the shell fragment briquetting through the combination of briquetting spring coupling's mode, make the shell fragment briquetting at the in-process that compresses tightly the shell fragment not only rely on fixed spacing mechanical structure to go on, can make side depression bar and synchronous depression bar exert stable packing force to the shell fragment through adopting the briquetting spring, and after follow-up because long-time use produces mechanical wear, the opening angle grow when also can make between briquetting upper portion and the briquetting lower part as the axle center rotation with first round pin axle through the elasticity of briquetting spring, thereby guarantee the packing force of side depression bar and synchronous depression bar to the shell fragment, make the novel earth-leakage protector internal.

The bottom of the communicating device is provided with a wedge-shaped buckling pin, and the communicating device is fixedly buckled with the bottom plate of the protector through the buckling pin.

Wherein, the intercommunication device still includes intercommunication coil and intercommunication spring, and the intercommunication coil is fixed inside the intercommunication device, and intercommunication spring and intercommunication iron core level set up at the intercommunication coil inner chamber.

Wherein, be equipped with articulated mounting in advance on the articulated seat, articulated mounting includes boss and joint recess in advance, and the boss is located the articulated department on briquetting upper portion, and the joint recess is located the articulated department in briquetting lower part, through the cooperation of boss and joint recess, realizes that briquetting upper portion and briquetting lower part are articulated in advance.

Wherein, be equipped with articulated mounting in advance on the articulated seat, articulated mounting includes boss and joint recess in advance, and the joint recess is located the articulated department on briquetting upper portion, and the boss is located the articulated department in briquetting lower part, through the cooperation of boss and joint recess, realizes that briquetting upper portion and briquetting lower part are articulated in advance.

The spring groove is formed in the position, corresponding to the pressing block spring, on the upper portion of the pressing block and the position, corresponding to the pressing block spring, on the lower portion of the pressing block, the spring groove is further provided with a spring post, and the spring groove and the spring post are used for installing the pressing block spring.

Wherein, still be equipped with the instruction piece on the synchronous briquetting, instruct the piece to be located the upper portion of synchronous briquetting, instruct the piece colour to be red, at the rotatory in-process of synchronous briquetting, instruct the piece position also can change to show earth-leakage protector's state.

When the synchronous pressure rod is pressed down, the PE wire elastic sheet is communicated with the corresponding pins by the convex block before the first elastic sheet, the second elastic sheet and the third elastic sheet; when the side pressure rod is lifted, the lug makes the PE wire elastic sheet break away from the corresponding pin behind the first elastic sheet, the second elastic sheet and the third elastic sheet.

Wherein, the shaft sleeve rotation driving block and the shaft sleeve rotation abutting block are both open shaft sleeves.

The connecting terminal comprises a second pin, a first pin, a ground wire pin and an auxiliary connecting pin, the auxiliary connecting pin is electrically connected with the first pin, the first pin is connected with a zero line, and the second pin is connected with a live line;

the top parts of the second pin, the first pin, the ground wire pin and the auxiliary connecting pin are provided with electric connection contact points, the end parts of the first elastic sheet, the second elastic sheet, the third elastic sheet and the PE wire elastic sheet are provided with elastic sheet contacts corresponding to the electric connection contacts, one side of the pressure lever can be used for pressing down the first elastic sheet to be communicated with the first pin, the other side of the pressure lever can be used for pressing down the third elastic sheet to be communicated with the auxiliary connecting pin, the synchronous pressure lever can be used for pressing down the second elastic sheet to be communicated with the second pin, and the synchronous pressure lever can simultaneously press down the PE wire elastic sheet to be communicated with the ground wire pin.

The elastic pieces comprise a first elastic piece, a second elastic piece and a third elastic piece; the first elastic sheet, the second elastic sheet and the third elastic sheet are arranged on the bottom plate of the protector, the connecting terminal comprises a second pin, a first pin, a ground wire pin and an auxiliary connecting pin, the auxiliary connecting pin is electrically connected with the first pin, the first pin is connected with a zero line, and the second pin is connected with a live wire;

the second is participated in, first is participated in and is connected the foot top with supplementary and be equipped with the electricity and connect the contact point, first shell fragment, second shell fragment and third shell fragment tip all are equipped with and connect the corresponding shell fragment contact of contact with the electricity, one side depression bar can be used to push down first shell fragment and participate in the intercommunication with first, the opposite side depression bar can be used to push down third shell fragment and supplementary connection foot intercommunication, synchronous depression bar can be used to push down second shell fragment and participate in the intercommunication with the second, but PE line and ground wire participate in the not disconnection and keep the switch-on.

Drawings

Fig. 1 is a protector device structure diagram of an opening and closing device of a dual power earth leakage protector of the present invention;

fig. 2 is an exploded view of the protector device of the opening and closing device of the dual power earth leakage protector of the present invention;

fig. 3 is a structural diagram of a protector bottom plate and a spring plate of the opening and closing device of the double-power leakage protector;

fig. 4 is a structural diagram of a wiring terminal and a spring plate of the switching device of the dual-power leakage protector;

FIG. 5 is a diagram of the structure of the spring plate pressing block of the opening and closing device of the dual-power leakage protector of the present invention;

FIG. 6 is a structural diagram of a spring plate pressing block and a synchronous pressing block of the switching device of the dual-power leakage protector of the present invention 1;

FIG. 7 is a structural diagram of the spring plate pressing block and the synchronous pressing block of the opening and closing device of the dual-power leakage protector of the present invention 2;

FIG. 8 is a structural diagram of the spring plate pressing block and the synchronous pressing block of the opening and closing device of the dual-power leakage protector of the present invention 3;

in the figure: 1 is a communicating device; 2, a spring plate pressing block; 3 is a protector bottom plate; 4 is a shaft sleeve rotation driving block; 5 is the upper part of the pressing block; 6 is the lower part of the pressing block; 7 is a vertical fork groove; 8, synchronous briquetting; 9 is a rotating pin shaft; 10 is a pin shaft support; 11 is a spring plate; 12 is a wiring terminal; 13 is a shaft sleeve rotary abutting block; 14 is a synchronous pressure lever; 15 is an indication block; 16 is a communicating iron core; 17 is a side pressure lever; 18 is a pressing block spring; 19 is a limit stop; 20 is a fastening pin; 21 is a first elastic sheet; 22 is a second elastic sheet; 23 is a third elastic sheet; 24 is PE wire spring plate; 25 is a second pin; 26 is a first pin; 27 is a ground pin; 28 is an auxiliary connecting pin; 29 are electrical connection contacts; 30 is a spring contact; 31 is a communicating coil; 32 is a communicating spring; 33 is a boss; 34 is a clamping groove; and 35 is a bump.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

Example 1:

as shown in fig. 1 to 5, an opening/closing device of a dual power leakage protector according to an embodiment of the present invention includes: the protector comprises two communication devices 1, elastic sheet pressing blocks 2, synchronous pressing blocks 8, elastic sheets 11 and a protector bottom plate 3, wherein the synchronous pressing blocks 8 are located between the two elastic sheet pressing blocks 2 which are arranged in parallel, and the two elastic sheet pressing blocks 2 and the synchronous pressing blocks 8 rotate coaxially;

the protector bottom plate 3 is also provided with a wiring terminal 12, and the elastic piece pressing block 2 is used for controlling the closing of the elastic piece 11 and the wiring terminal 12; the elastic piece pressing block 2 is provided with a shaft sleeve rotation driving block 4, a vertical fork groove 7 and a side pressing rod 17; the communicating device 1 is provided with a communicating iron core 16 which transversely extends, the communicating iron core 16 is in clamping fit with the vertical fork groove 7, the communicating device 1 can drive the communicating iron core 16 to linearly move, specifically, the communicating device 1 further comprises a communicating coil 31 and a communicating spring 32, the communicating coil 31 is fixed in the communicating device 1, the communicating spring 32 and the communicating iron core 16 are horizontally arranged in an inner cavity of the communicating coil 31, namely, the communicating coil 31 is electrified to generate a magnetic field, so that the communicating iron core 16 is adsorbed and the communicating spring 32 is compressed, further, the communicating iron core 16 is in clamping fit with the vertical fork groove 7 to drive the elastic sheet pressing block 2 to rotate around a rotating pin shaft 9, wherein the elastic sheet pressing block 2 is movably hinged with a pin shaft support 10 arranged on the protector bottom plate 3 through the rotating pin shaft 9, the bottom of the communicating device 1 is provided with a wedge-shaped fastening pin 20, and the communicating device 1, the installation is convenient, firm and reliable;

the bottom of the synchronous pressing block 8 is provided with a synchronous pressing rod 14, two sides of the synchronous pressing block 8 are provided with shaft sleeve rotating abutting blocks 13, a shaft sleeve rotating driving block 4 on the elastic sheet pressing block 2 is abutted with the shaft sleeve rotating abutting blocks 13 in a matching mode, and the elastic sheet pressing block 2 can drive the synchronous pressing block 8 to rotate synchronously through the matching of the shaft sleeve rotating driving block 4 and the shaft sleeve rotating abutting blocks 13; in this embodiment, two shell fragment briquetting 2 and two synchronous briquetting 8 between the shell fragment briquetting 2 set up on rotatory round pin axle 9 jointly, and can be rotatory around rotatory round pin axle 9, shell fragment briquetting 2 accessible intercommunication iron core 16 drives rotatoryly, synchronous briquetting 8 then rotates under the drive of shell fragment briquetting 2, axle sleeve rotation drive piece 4 is when rotatory along with shell fragment briquetting 2 promptly, through the rotatory drive piece 4 of axle sleeve on the rotatory axle sleeve that is located shell fragment briquetting 2 and the rotatory butt cooperation relation of butt piece 13 of axle sleeve on the rotatory axle sleeve that is located synchronous briquetting 8, rotatory axle sleeve cup joints the structure on rotatory round pin axle 9 for shell fragment briquetting 2, side pressure pole 17 of having realized shell fragment briquetting 2 bottom pushes down when corresponding shell fragment, synchronous depression bar 14 pushes down corresponding shell fragment simultaneously.

When at least one communication device 1 is electrified, the communication iron core 16 drives the elastic sheet pressing block 2 to rotate through the vertical fork groove 7, so that the side pressure rod 17 positioned at the bottom of the elastic sheet pressing block 2 presses the elastic sheet 11 downwards, the elastic sheet pressing block 2 rotates to drive the synchronous pressing block 8 to synchronously rotate, and the synchronous pressing rod 14 simultaneously presses the elastic sheet 11 downwards, so that the load is communicated with the power supply.

The elastic sheet 11 comprises a first elastic sheet 21, a second elastic sheet 22, a third elastic sheet 23 and a PE wire elastic sheet 24, the first elastic sheet 21, the second elastic sheet 22, the third elastic sheet 23 and the PE wire elastic sheet 24 are arranged on the protector base plate 3, the connecting terminal 12 comprises a second pin 25, a first pin 26, a ground pin 27 and an auxiliary connecting pin 28, the auxiliary connecting pin 28 is electrically connected with the first pin 26, the first pin 26 is connected with a live wire, and the second pin 25 is connected with a neutral wire;

the top of the second pin 25, the top of the first pin 26, the top of the ground pin 27 and the top of the auxiliary connecting pin 28 are provided with an electric connection contact 29, the end parts of the first elastic sheet 21, the second elastic sheet 22, the third elastic sheet 23 and the PE wire elastic sheet 24 are provided with elastic sheet contacts 30 corresponding to the electric connection contact 29, one side of the pressure lever 17 can be used for pressing the first elastic sheet 21 to be communicated with the first pin 26, the other side of the pressure lever 17 can be used for pressing the third elastic sheet 23 to be communicated with the auxiliary connecting pin 28, the synchronous pressure lever 14 can be used for pressing the second elastic sheet 22 to be communicated with the second pin 25, and the synchronous pressure lever 14 can be used for pressing the PE wire elastic sheet 24 to be communicated; further, in the specific implementation process, when only one of the communication devices 1 is powered on, only the elastic piece pressing block 2 corresponding to the communication device 1 keeps the pressing-down state, i.e. the first elastic piece 21 is communicated with the first pin 26, or the third elastic piece 23 is communicated with the auxiliary connection pin 28, since the auxiliary connection pin 28 is electrically connected with the first pin 26, and as long as one elastic piece pressing block 2 keeps the pressing-down state, the synchronous pressing block 8 is also driven to keep the pressing-down state, i.e. the second elastic piece 22 is communicated with the second pin 25, and the PE wire elastic piece 24 is communicated with the ground pin 27, so that the power-on of any communication device 1 can ensure that the leakage protector is in the power-on state and plays a role of protection, when two communication devices 1 are powered on simultaneously, the leakage protection can be simultaneously performed on two loads in the circuit, i.e. the further application of the switching device of the dual-power protector of the present embodiment to the present, for example, when the double-power earth leakage protector corresponding to the switching device of this embodiment is applied to a water heater, two electric heating tubes can be simultaneously and respectively controlled to store water and heat and discharge water to the water heater, specifically, an internal water storage tank and an external water outlet tank are arranged in the water heater, and an electric heating tube is respectively arranged to heat, the internal water storage tank is heated to about 40 ℃ through the electric heating tube to keep warm, when hot water is needed, the external water outlet tank can also be rapidly heated to about 75 ℃, by adopting the above scheme, the heat preservation effect is better, the heat dissipation is slower, compared with the heat preservation at a higher temperature, the energy-saving effect is better, and meanwhile, the two electric heating tubes can both carry out earth leakage protection through the earth leakage protector of this embodiment.

A bump 35 is arranged on the synchronous pressure lever 14 corresponding to the PE wire spring piece 24, and when the synchronous pressure lever 14 is pressed down, the bump 35 makes the PE wire spring piece 24 connected with the corresponding pin before the first spring piece 21, the second spring piece 22 and the third spring piece 23; when the side pressure lever 17 is lifted, the bump 35 disconnects the PE wire spring piece 24 from the corresponding pin after the first spring piece 21, the second spring piece 22, and the third spring piece 23.

As shown in fig. 6, 7 and 8, the shaft sleeve rotation driving block 4 and the shaft sleeve rotation abutting block 13 in this embodiment are both open shaft sleeves, and when the shaft sleeve rotation driving block 4 is engaged with the shaft sleeve rotation abutting block 13, a reserved rotation space is still present between the shaft sleeve rotation driving block 4 and the shaft sleeve rotation abutting block 13, that is, when the power supply of the communication device 1 is switched on, the communication iron core 16 drives the elastic piece pressing block 2 to rotate through the vertical fork groove 7, and meanwhile, the synchronous pressing block 8 rotates simultaneously through the engagement abutting of the upper part of the shaft sleeve rotation driving block 4 and the upper part of the shaft sleeve rotation abutting block 13, so as to realize the pressing of the elastic piece 11; when the elastic pressing block 2 is not pressed downwards and returns to reset, in the process, a reserved rotating space is reserved between the shaft sleeve rotating driving block 4 and the shaft sleeve rotating abutting block 13, namely, a certain gap is reserved between the lower part of the shaft sleeve rotating driving block 4 and the lower part of the shaft sleeve rotating abutting block 13, so that the synchronous pressing block 8 can lag behind the rotation of the elastic pressing block 2.

Example 2:

compared with embodiment 1, the elastic sheet 11 includes a first elastic sheet 21, a second elastic sheet 22 and a third elastic sheet 23; the first elastic sheet 21, the second elastic sheet 22 and the third elastic sheet 23 are arranged on the protector base plate 3, the connecting terminal comprises a second pin 25, a first pin 26, a ground pin 27 and an auxiliary connecting pin 28, the auxiliary connecting pin 28 is electrically connected with the first pin 26, the first pin 26 is connected with a live wire, and the second pin 25 is connected with a neutral wire;

the tops of the second pin 25, the first pin 26 and the auxiliary connecting pin 28 are provided with an electric connection contact 29, the end parts of the first elastic sheet 21, the second elastic sheet 22 and the third elastic sheet 23 are provided with elastic sheet contacts 30 corresponding to the electric connection contact 29, the press rod 17 at one side can be used for pressing the first elastic sheet 21 to be communicated with the first pin 26, the press rod 17 at the other side can be used for pressing the third elastic sheet 23 to be communicated with the auxiliary connecting pin 28, the synchronous press rod 14 can be used for pressing the second elastic sheet 22 to be communicated with the second pin 25, and the PE wire and the ground wire pin 27 cannot be disconnected and are kept connected.

Example 3:

in this embodiment, the elastic sheet pressing block 2 comprises a pressing block upper portion 5 and a pressing block lower portion 6, the vertical fork groove 7 is arranged on the pressing block upper portion 5, the side pressure rod 17 is arranged on the pressing block lower portion 6, the pressing block upper portion 5 is hinged to the pressing block lower portion 6 through the rotating pin shaft 9, a pressing block spring 18 in a compression state is arranged between the pressing block upper portion 5 and the pressing block lower portion 6, when the side pressure rod 17 and the elastic sheet 11 are in a butt joint state, the elastic force of the pressing block spring 18 can enable the side pressure rod 17 to keep stable acting force on the elastic sheet 11, and according to the clamping connection mode of the pressing block upper portion 5 or the pressing block lower portion 6, the shaft sleeve rotation driving block 4.

As shown in fig. 5 and 7, a hinge seat is arranged at the hinge position of the upper part 5 of the pressing block and the lower part 6 of the pressing block, the rotating pin shaft 9 is arranged in the hinge seat in a penetrating manner, a limit stop 19 is further arranged on the hinge seat, and the limit stop 19 is used for controlling an opening angle between the upper part 5 of the pressing block and the lower part 6 of the pressing block when the pressing block rotates by taking the rotating pin shaft 9 as an axis; even if the rotating angles of the upper pressing block part 5 and the lower pressing block part 6 around the rotating pin shaft 9 are limited within a certain range, the elastic piece pressing block 2 can not be automatically disassembled after being assembled due to the elastic force of the pressing block spring 18 after being assembled, and the upper pressing block part 5 and the lower pressing block part 6 can be limited.

The positions of the pressing block spring 18 corresponding to the pressing block upper portion 5 and the pressing block lower portion 6 are provided with spring grooves, spring columns are arranged in the spring grooves, the spring grooves and the spring columns are used for installing the pressing block spring 18, the pressing block spring 18 can not fall off, the installation is simpler and more convenient, spring columns are further arranged in the spring grooves, and the spring grooves and the spring columns are used for installing the pressing block spring 18 to guarantee the installation fixing effect.

Example 4:

in this embodiment, as shown in fig. 5, be equipped with articulated mounting in advance on the articulated seat, articulated mounting includes boss 33 and joint recess 34 in advance, boss 33 is located the articulated department of briquetting upper portion 5, joint recess 34 is located the articulated department of briquetting lower part 6, cooperation through boss 33 and joint recess 34, realize the articulated in advance of briquetting upper portion 5 and briquetting lower part 6, be promptly under the condition of not installing rotatory round pin axle 9, the installation work of shell fragment briquetting 2 also can be accomplished, can further guarantee the coaxiality of briquetting upper portion 5 and briquetting lower part 6 through this design simultaneously, can reduce wearing and tearing, and the overall installation is simple and convenient more.

Example 5:

compared with the embodiment 4, in the embodiment, the hinge seat is provided with the pre-hinge device, the pre-hinge device comprises the boss 33 and the clamping groove 34, the clamping groove 34 is located at the hinge joint of the upper pressing block part 5, the boss 33 is located at the hinge joint of the lower pressing block part 6, and the pre-hinge of the upper pressing block part 5 and the lower pressing block part 6 is realized through the matching of the boss 33 and the clamping groove 34.

Example 6:

in this embodiment, as shown in fig. 6, the synchronous pressure block 8 is further provided with an indication block 15, the indication block 15 is located on the upper portion of the synchronous pressure block 8, the color of the indication block 15 is red, and after the earth-leakage protector of the embodiment is mounted on the housing, the state of the earth-leakage protector can be judged through the indication block 32.

Example 7:

in this embodiment, compared to embodiment 1, the first pin 26 is connected to the neutral wire, and the second pin 25 is connected to the live wire, specifically, the elastic pieces include a first elastic piece, a second elastic piece, a third elastic piece, and a PE wire elastic piece, the first elastic piece, the second elastic piece, the third elastic piece, and the PE wire elastic piece are disposed on the protector base plate, the connection terminal includes a second pin, a first pin, a ground wire pin, and an auxiliary connection pin, the auxiliary connection pin is electrically connected to the first pin, the first pin 26 is connected to the neutral wire, and the second pin 25 is connected to the live wire;

the top parts of the second pin, the first pin, the ground wire pin and the auxiliary connecting pin are provided with electric connection contact points, the end parts of the first elastic sheet, the second elastic sheet, the third elastic sheet and the PE wire elastic sheet are provided with elastic sheet contacts corresponding to the electric connection contacts, one side of the pressure lever can be used for pressing down the first elastic sheet to be communicated with the first pin, the other side of the pressure lever can be used for pressing down the third elastic sheet to be communicated with the auxiliary connecting pin, the synchronous pressure lever can be used for pressing down the second elastic sheet to be communicated with the second pin, and the synchronous pressure lever can simultaneously press down the PE wire elastic sheet to be communicated with the ground wire pin.

Example 8:

in this embodiment, compared to embodiment 2, the first pin 26 is connected to the neutral wire, and the second pin 25 is connected to the live wire, specifically, the elastic pieces include a first elastic piece, a second elastic piece, and a third elastic piece; the first elastic sheet, the second elastic sheet and the third elastic sheet are arranged on the bottom plate of the protector, the connecting terminal comprises a second pin, a first pin, a ground wire pin and an auxiliary connecting pin, the auxiliary connecting pin is electrically connected with the first pin, the first pin 26 is connected with a zero line, and the second pin 25 is connected with a live wire;

the second is participated in, first is participated in and is connected the foot top with supplementary and be equipped with the electricity and connect the contact point, first shell fragment, second shell fragment and third shell fragment tip all are equipped with and connect the corresponding shell fragment contact of contact with the electricity, one side depression bar can be used to push down first shell fragment and participate in the intercommunication with first, the opposite side depression bar can be used to push down third shell fragment and supplementary connection foot intercommunication, synchronous depression bar can be used to push down second shell fragment and participate in the intercommunication with the second, but PE line and ground wire participate in the not disconnection and keep the switch-on.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention.