CN208873676U - Earth leakage circuit-breaker - Google Patents
Earth leakage circuit-breaker Download PDFInfo
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- CN208873676U CN208873676U CN201821109571.9U CN201821109571U CN208873676U CN 208873676 U CN208873676 U CN 208873676U CN 201821109571 U CN201821109571 U CN 201821109571U CN 208873676 U CN208873676 U CN 208873676U
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Abstract
The utility model relates to a kind of earth leakage circuit-breaker, feature be include lower cover, zero line pin holder assembly, live prong holder assembly, reset switch component, relay assembly, circuit board, transverse arm, elastic component, zero curve contact assembly, firewire contact component, Swinging switch, wraping plate, mounting rack, " u "-shaped axis, swing arm, mutual inductor, fire wire output end sub-component, zero line output terminal assemblies, earth pin holder assembly, torque spring, upper cover and mounting box.It is with the advantages that compact-sized, locational space utilization rate is high, and two kinds of different size mounting boxs can use the earth leakage circuit-breaker of same structure, and the lower cover of 86 millimeters of switch need to only increase the switch that extension board is applicable to 118 millimeters, and versatility is good.
Description
Technical field
The utility model relates to the earth leakage circuit-breakers of a kind of high-power (32A).
Background technique
Currently, there are two types of specifications for powerful earth leakage circuit-breaker, length is 86 and 118 millimeters of mounting box respectively；
The mounting box of two different size need to use the earth leakage circuit-breaker of different structure, and suitability is poor, in earth leakage circuit-breaker
Components are more, and installation space is small, assemble cumbersome.
Summary of the invention
A kind of compact-sized, locational space utilization rate is provided the purpose of the utility model is to overcome the deficiencies in the prior art
Height, two kinds of different size mounting boxs can use the earth leakage circuit-breaker of same structure, and the lower cover of 86 millimeters of switch only needs to increase
Extension board is the switch for being applicable to 118 millimeters, the good earth leakage circuit-breaker of versatility.
It in order to achieve the above object, the utility model is realized in this way, is a kind of earth leakage circuit-breaker, comprising:
Lower cover；Upper end in the lower cover is respectively equipped with slot, the first mounting groove and the second mounting groove, in lower cover
Lower end be respectively equipped with third mounting groove, the 4th mounting groove and the 5th mounting groove, the two sides of lower cover be equipped with mounting blocks；
Zero line pin holder assembly and live prong holder assembly；The zero line pin holder assembly is located in the first mounting groove, institute
Live prong holder assembly is stated to be located in the second mounting groove；
Reset switch component, relay assembly and circuit board；The circuit board is located on lower lid, the reset switch component
If on circuit boards and and circuit board electrical connection, the relay assembly is located in lower cover and and circuit board electrical connection；
Transverse arm, elastic component, zero curve contact assembly and firewire contact component；The transverse arm is located in slot and can be along slot
Mobile, the elastic component is located between transverse arm and slot, and the zero curve contact assembly is located at the one end of transverse arm, the firewire
Contact assembly is located at the other end of transverse arm, and when transverse arm is moved into slot, zero curve contact assembly and zero line pin holder assembly are touched
It touches and is electrically connected, firewire contact component is touched and is electrically connected with live prong holder assembly；
Swinging switch, wraping plate, mounting rack, " u "-shaped axis and swing arm；The installation is erected on lower cover, and the one of the swing arm
End rotation is located on mounting rack, and the iron core extension of the relay assembly is fastened on the other end of swing arm to drive swing arm
Rotation, is respectively equipped with sliding slot and oblique slide opening on mounting rack, and one end for being located at mounting rack of the Swinging switch rotation is described
One end of one axis of " u "-shaped axis and Swinging switch is rotatablely connected, and an axle position of " u "-shaped axis is in sliding slot and slidably, " u "-shaped
The middle part of another axis of axis and wraping plate is rotatablely connected, and another axis of " u "-shaped axis is located in oblique slide opening and slidably, wraping plate
One end and the end of transverse arm lean, and the other end of wraping plate can ride in swing arm；
Mutual inductor, fire wire output end sub-component, zero line output terminal assemblies and earth pin holder assembly；The mutual inductor is set
On lower lid, the fire wire output end sub-component is located in the 5th mounting groove, and the zero line output terminal assemblies are located at third peace
In tankage, the earth pin holder assembly is located in the 4th mounting groove, the fire wire output end sub-component and firewire contact component
Electrical connection, the zero line output terminal assemblies are electrically connected with zero curve contact assembly, and mutual inductor is set in fire wire output end sub-component
With on the electric wire of firewire contact component and on the electric wire of zero line output terminal assemblies and zero curve contact assembly；
Torque spring；The torque spring is set in the shaft of Swinging switch, one end and the mounting rack phase of torque spring
Against the other end and Swinging switch of torque spring, which lean, resets Swinging switch rotation；
Upper cover；The upper cover is removably covered and is located on lower lid, and first through hole and the second through-hole are equipped on upper lid, described
The end of Swinging switch passes through first through hole, and the end of the reset switch component passes through the second through-hole；And
Mounting box；The lower cover is located on mounting box by mounting blocks and the size of the size of the frame mouth of mounting box and upper cover
It is adapted.
In the technical scheme, the two sides in the lower cover are respectively equipped with one or more locating rack, position at every
Frame is equipped with grab, and locating rack supports circuit board, and the top that the grab is stuck in circuit board is located at circuit board positioning on lower lid.
In the technical scheme, the extension board of installation is equipped on the lower lid.
It in the technical scheme, further include the first spring and second spring；It is touched in the one end of the transverse arm equipped with zero curve
Point slot is equipped with firewire contact slot in the other end of transverse arm, and the zero curve contact assembly is plugged in the slot of zero curve contact
And move up and down, first spring is located between zero curve contact slot and zero curve contact assembly, and the firewire contact component is inserted
It is located in firewire contact slot and moves up and down, the second spring is located between firewire contact slot and firewire contact component.
In the technical scheme, block is equipped on the Swinging switch, the other end of the torque spring rides over block
On.
The utility model compared with prior art the advantages of are as follows: compact-sized, locational space utilization rate is high, two kinds of different rule
Lattice mounting box can use the earth leakage circuit-breaker of same structure, and it is i.e. applicable that the lower cover of 86 millimeters of switch need to only increase extension board
In 118 millimeters of switch, versatility is good.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the A-A cutaway view Amplified image of Fig. 2；
Fig. 4 is the B-B cutaway view Amplified image of Fig. 2；
Fig. 5 is the C-C cutaway view Amplified image of Fig. 2；
Fig. 6 is the structural schematic diagram of the utility model removal mounting box and upper cover；
Fig. 7 is the structural schematic diagram of the utility model lower cover；
Fig. 8 is the structural schematic diagram of the utility model removal mounting box, upper cover and lower cover；
Fig. 9 is the utility model removal mounting box, upper cover, lower cover, circuit board, mutual inductor, fire wire output end sub-component, zero
The structural schematic diagram of line output terminal sub-component and earth pin holder assembly；
Figure 10 be the utility model be 118 millimeters leakage protecting plug structural schematic diagram；
Figure 11 is the structural schematic diagram that Figure 10 takes out upper cover and mounting box.
Specific embodiment
Specific embodiment of the present utility model is described further with reference to the accompanying drawing.It should be noted that
The explanation of these embodiments is used to help to understand the utility model, but does not constitute the restriction to the utility model.This
Outside, as long as technical characteristic involved in the various embodiments of the present invention described below does not constitute punching each other
It is prominent to be combined with each other.
In the utility model description, the orientation or positional relationship of the instructions such as term " left side " and " right side " is based on shown in attached drawing
Orientation or positional relationship, be merely for convenience of description the utility model rather than require the utility model must be with specific side
Position construction and operation, therefore should not be understood as limiting the present invention.
Term " first " is used for description purposes only to " the 5th " in the description of the present invention, and should not be understood as referring to
Show or imply relative importance.
It as shown in Figure 1 to 11, is a kind of leakage protecting plug, comprising:
Lower cover 5；One end in the lower cover 5 is respectively equipped with slot 51, the first mounting groove 54 and the second mounting groove 55,
The other end in lower cover 5 is respectively equipped with third mounting groove 56, the 4th mounting groove 57 and the 5th mounting groove 58, in lower cover 5
Two sides are equipped with mounting blocks 53；
Zero line pin holder assembly 20 and live prong holder assembly 21；The zero line pin holder assembly 20 is located at the first mounting groove
In 54, the live prong holder assembly 21 is located in the second mounting groove 55；
Reset switch component 2, relay assembly 12 and circuit board 14；The circuit board 14 is located in lower cover 5, the reset
Switch block 2 is located on circuit board 14 and is electrically connected with circuit board 14, and the relay assembly 12 is located in lower cover 5 and and circuit
Plate 14 is electrically connected, when circuit board 14, which detects, to leak electricity, 121 back shrinkage of iron core of relay assembly 12, when circuit board 14 is not examined
When measuring electric leakage, the iron core 121 of relay assembly 12 is protruding under the action of redlay spring 122；
Transverse arm 6, elastic component 7, zero curve contact assembly 16 and firewire contact component 18；The transverse arm 6 is located in slot 51
And can be moved along slot 51, the elastic component 7 is located between transverse arm 6 and slot 51, and the zero curve contact assembly 16 is located at cross
The one end of arm 6, the firewire contact component 18 are located at the other end of transverse arm 6, when transverse arm 6 is moved into slot 51, zero curve
The movable contact spring of contact assembly 16 is touched and is electrically connected with the static contact of zero line pin holder assembly 20, firewire contact component 18 and firewire
Pin holder assembly 21 is touched and is electrically connected；
Swinging switch 4, wraping plate 8, mounting rack 9, " u "-shaped axis 10 and swing arm 11；The mounting rack 9 is located on lower cover 5, described
One end rotation of swing arm 11 is located on mounting rack 9, and 121 extension of iron core of the relay assembly 12 is fastened on swing arm 11
The other end is respectively equipped with sliding slot 92 and oblique slide opening 91, the Swinging switch 4 to drive swing arm 11 to rotate on mounting rack 9
One end of one end for being located at mounting rack 9 of rotation, the axis 101 and Swinging switch 4 of the " u "-shaped axis 10 is rotatablely connected, and " U "
One axis 101 of shape axis 10 is located in sliding slot 92 and slidably, and another axis of " u "-shaped axis 10 and the middle part of wraping plate 8 are rotatablely connected, and
Another axis of " u "-shaped axis 10 is located in 102 oblique slide openings 91 and slidably, and one end of wraping plate 8 and the end of transverse arm 6 lean,
The other end of wraping plate 8 can ride in swing arm 11；
Mutual inductor 22, fire wire output end sub-component 23, zero line output terminal assemblies 24 and earth pin holder assembly 15；It is described
Mutual inductor 22 is located on lower cover 5, and the fire wire output end sub-component 23 is located in the 5th mounting groove 58, the zero line output terminal
Component 24 is located in third mounting groove 56, and the earth pin holder assembly 15 is located in the 4th mounting groove 57, the firewire output
Terminal assemblies 23 are electrically connected with firewire contact component 18, and the zero line output terminal assemblies 24 are electrically connected with zero curve contact assembly 16
It connects, mutual inductor 22 is set on the electric wire of fire wire output end sub-component 23 and firewire contact component 18 and zero line output terminal assemblies
24 on the electric wire of zero curve contact assembly 16；
Torque spring 25；The torque spring 25 is set in the shaft of Swinging switch 4, one end of torque spring 25 and peace
It shelves 9 to lean, the other end and Swinging switch 4 of torque spring 25, which lean, resets the rotation of Swinging switch 4；
Upper cover 3；Removably lid is located on lower cover 5 upper cover 3, logical equipped with first through hole 31 and second in upper cover 3
Hole 32, the end of the Swinging switch 4 pass through first through hole 31, and the end of the reset switch component 2 passes through the second through-hole 32；
And
Mounting box 1；The lower cover 5 is located on mounting box 1 by mounting blocks 53 and the size and upper cover of the frame mouth of mounting box 1
3 size is adapted.
When work, when electric leakage is not detected in circuit board 14, one end of wraping plate 8 and the top of transverse arm 6 lean, wraping plate 8
The other end ride over the middle part of swing arm 11, shaft, an axis 101 of " u "-shaped axis and another axis 102 of " u "-shaped axis of Swinging switch 4
In same level, line contact assembly 16 is touched and is electrically connected, firewire contact component with zero line pin holder assembly 20 at this time
18 touch and are electrically connected with live prong holder assembly 21；When circuit board 14 detects electric leakage, 121 back shrinkage of iron core is driven
Swing arm 11 is swung, and the other end of wraping plate 8 does not ride in swing arm 11, and reset movement makes transverse arm 6 to the right under the action of elastic component 7
Contact assembly 16 is not touched with zero line pin holder assembly 20, and firewire contact component 18 is not touched with live prong holder assembly 21, pendulum
Dynamic switch 4 resets downwards rotation under the action of torque spring 25.
In the present embodiment, the two sides in the lower cover 5 are respectively equipped with one or more locating rack 59, position at every
Frame 59 is equipped with grab 52, and locating rack 59 supports circuit board 14, and the top that the grab 52 is stuck in circuit board 14 makes circuit board 14
Positioning is located on lower cover 5.
In the present embodiment, the extension board 50 of installation is equipped on the lower cover 5.
It in the present embodiment, further include the first spring 17 and second spring 19；Zero curve is equipped in the one end of the transverse arm 6
Contact slot 61 is equipped with firewire contact slot 62 in the other end of transverse arm 6, and the zero curve contact assembly 16 is plugged in zero curve touching
It in point slot 61 and moves up and down, first spring 17, which is located between zero curve contact slot 61 and zero curve contact assembly 16, makes zero
The contact that the movable contact spring of line contact assembly 16 is more close to the static contact of zero line pin component 20, the firewire contact component 18
It is plugged in firewire contact slot 62 and moves up and down, the second spring 19 is located at firewire contact slot 62 and firewire contact group
The contact for being close to the movable contact spring of firewire contact component 18 more with the static contact of live prong holder assembly 21.
In the present embodiment, block 41 is equipped on the Swinging switch 4, the other end of the torque spring 25 rides over gear
On block 41.
The embodiments of the present invention is explained in detail in conjunction with attached drawing above, but the utility model does not limit to and institute
The embodiment of description.For with those skilled in the art, the principles of the present invention and objective are not being departed from
In the case of to these embodiments carry out it is a variety of variation, modification, replacement and deformation still fall in the protection scope of the utility model
It is interior.
Claims (5)
1. a kind of earth leakage circuit-breaker, characterized by comprising:
Lower cover (5)；Upper end in the lower cover (5) is respectively equipped with slot (51), the first mounting groove (54) and the second installation
Slot (55), the lower end in lower cover (5) are respectively equipped with third mounting groove (56), the 4th mounting groove (57) and the 5th mounting groove
(58), mounting blocks (53) are equipped in the two sides of lower cover (5)；
Zero line pin holder assembly (20) and live prong holder assembly (21)；The zero line pin holder assembly (20) is located at the first installation
In slot (54), the live prong holder assembly (21) is located in the second mounting groove (55)；
Reset switch component (2), relay assembly (12) and circuit board (14)；The circuit board (14) is located on lower cover (5), institute
It states reset switch component (2) to be located on circuit board (14) and be electrically connected with circuit board (14), the relay assembly (12) is located at
It is electrically connected in lower cover (5) and with circuit board (14)；
Transverse arm (6), elastic component (7), zero curve contact assembly (16) and firewire contact component (18)；The transverse arm (6), which is located at, inserts
And can be mobile along slot (51) in slot (51), the elastic component (7) is located between transverse arm (6) and slot (51), the zero curve
Contact assembly (16) is located at the one end of transverse arm (6), and the firewire contact component (18) is located at the other end of transverse arm (6), when
Transverse arm (6) is moved into slot (51), and zero curve contact assembly (16) is touched and is electrically connected, firewire with zero line pin holder assembly (20)
Contact assembly (18) is touched and is electrically connected with live prong holder assembly (21)；
Swinging switch (4), wraping plate (8), mounting rack (9), " u "-shaped axis (10) and swing arm (11)；The mounting rack (9) is located at lower cover
(5) on, one end rotation of the swing arm (11) is located on mounting rack (9), and the iron core (121) of the relay assembly (12) is stretched
Portion is fastened on the other end of swing arm (11) to drive swing arm (11) to rotate out, and sliding slot (92) are respectively equipped on mounting rack (9)
And oblique slide opening (91), one end for being located at mounting rack (9) of Swinging switch (4) rotation, an axis of the " u "-shaped axis (10)
(101) it is rotatablely connected with the one end of Swinging switch (4), and an axis (101) for " u "-shaped axis (10) is located in sliding slot (92) and can slide
Dynamic, another axis of " u "-shaped axis (10) and the middle part of wraping plate (8) are rotatablely connected, and another axis of " u "-shaped axis (10) is located at (102)
In oblique slide opening (91) and slidably, one end of wraping plate (8) and the end of transverse arm (6) lean, and the other end of wraping plate (8) can be taken
On swing arm (11)；
Mutual inductor (22), fire wire output end sub-component (23), zero line output terminal assemblies (24) and earth pin holder assembly (15)；
The mutual inductor (22) is located on lower cover (5), and the fire wire output end sub-component (23) is located in the 5th mounting groove (58), described
Zero line output terminal assemblies (24) are located in third mounting groove (56), and the earth pin holder assembly (15) is located at the 4th mounting groove
(57) in, the fire wire output end sub-component (23) is electrically connected with firewire contact component (18), the zero line output terminal assemblies
(24) it is electrically connected with zero curve contact assembly (16), mutual inductor (22) is set in fire wire output end sub-component (23) and firewire contact group
On the electric wire of part (18) and on zero line output terminal assemblies (24) and the electric wire of zero curve contact assembly (16)；
Torque spring (25)；The torque spring (25) is set in the shaft of Swinging switch (4), one end of torque spring (25)
It leans with mounting rack (9), the other end and Swinging switch (4) of torque spring (25), which lean, keeps Swinging switch (4) rotation multiple
Position；
Upper cover (3)；The upper cover (3) removably lid be located on lower cover (5), on upper cover (3) be equipped with first through hole (31) and
The end of second through-hole (32), the Swinging switch (4) passes through first through hole (31), the end of the reset switch component (2)
Across the second through-hole (32)；And
Mounting box (1)；The lower cover (5) is located on mounting box (1) by mounting blocks (53) and the size of the frame mouth of mounting box (1)
It is adapted with the size of upper cover (3).
2. earth leakage circuit-breaker according to claim 1, it is characterised in that the two sides in the lower cover (5) are respectively equipped with
One or more locating rack (59) is equipped with grab (52) on every locating rack (59), and locating rack (59) supports circuit board (14),
The top that the grab (52) is stuck in circuit board (14) is located at circuit board (14) positioning on lower cover (5).
3. earth leakage circuit-breaker according to claim 1, it is characterised in that the prolonging equipped with installation on the lower cover (5)
Stretch plate (50).
4. earth leakage circuit-breaker according to claim 1, it is characterised in that further include the first spring (17) and second spring
(19)；It is equipped with zero curve contact slot (61) in the one end of the transverse arm (6), is touched in the other end of transverse arm (6) equipped with firewire
Point slot (62), the zero curve contact assembly (16) are plugged in zero curve contact slot (61) and move up and down, first bullet
Spring (17) is located between zero curve contact slot (61) and zero curve contact assembly (16), and the firewire contact component (18) is plugged in fire
It in line contact slot (62) and moves up and down, the second spring (19) is located at firewire contact slot (62) and firewire contact component
(18) between.
5. earth leakage circuit-breaker according to claim 1, it is characterised in that be equipped with block on the Swinging switch (4)
(41), the other end of the torque spring (25) rides on block (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821109571.9U CN208873676U (en) | 2018-07-13 | 2018-07-13 | Earth leakage circuit-breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821109571.9U CN208873676U (en) | 2018-07-13 | 2018-07-13 | Earth leakage circuit-breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208873676U true CN208873676U (en) | 2019-05-17 |
Family
ID=66462922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821109571.9U Active CN208873676U (en) | 2018-07-13 | 2018-07-13 | Earth leakage circuit-breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208873676U (en) |
-
2018
- 2018-07-13 CN CN201821109571.9U patent/CN208873676U/en active Active
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