CN209328811U - Earth leakage circuit breaker - Google Patents
Earth leakage circuit breaker Download PDFInfo
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- CN209328811U CN209328811U CN201920131575.5U CN201920131575U CN209328811U CN 209328811 U CN209328811 U CN 209328811U CN 201920131575 U CN201920131575 U CN 201920131575U CN 209328811 U CN209328811 U CN 209328811U
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Abstract
The utility model provides a kind of earth leakage circuit breaker comprising: circuit breaker housing accommodates multiple breakers；Leakage protection module；Multiple breakers；Multiple output wiring terminals；First lid housing, it is configured to be connected to circuit breaker housing upwards below circuit breaker housing, and the first lid housing includes keeping multiple terminal cavitys of multiple output wiring terminals respectively and for allowing external cable by it respectively close to multiple lower openings of multiple output wiring terminals；And second lid housing, it is configured to the entirety that circuit breaker housing and the first lid housing composition are connected to after the front direction of the first lid housing, and the second lid housing includes multiple front openings for allowing operational instrument to pass through it respectively close to multiple output wiring terminals.The configuration of earth leakage circuit breaker allows breaker, leakage protection module, output wiring terminal is simple, is steadily assembled into complete earth leakage circuit breaker.
Description
Technical field
The utility model relates to a kind of earth leakage circuit breakers.
Background technique
Earth leakage circuit breaker is common electricity protection equipment in electric wiring, detection electric leakage, and is more than in electric leakage
Disconnecting circuit when certain threshold value, to guarantee the safety of the person and circuit arrangement.
Earth leakage circuit breaker generally includes multiple breakers, leakage protection module and corresponding with multiple breakers respectively
Multiple output wiring terminals.Multiple breakers, leakage protection module and multiple output wiring terminals, which are usually assembled into, to be difficult to split
Entirety make earth leakage circuit breaker structure is complicated, breaker is difficult to individually be tested for the property.
Utility model content
The utility model provides a kind of earth leakage circuit breaker, and the operating surface where handle is defined as front, described
Earth leakage circuit breaker includes: circuit breaker housing, accommodates multiple breakers；Leakage protection module is arranged close to leading-out terminal
In the lower section of leading-out terminal；Multiple breakers, arrange in the lateral direction, and each of multiple breakers include from disconnected
The electric wire that the leading-out terminal of road device lower part of the housing stretches out；Multiple output wiring terminals, a plurality of electric wire of stretching are protected by electric leakage respectively
Shield module connects down to multiple output wiring terminals；First lid housing is configured to upward in the lower section of circuit breaker housing
It is connected to circuit breaker housing, and first lid housing includes the multiple terminal cavitys for keeping multiple output wiring terminals respectively
With for allow external cable by its respectively close to multiple lower openings of multiple output wiring terminals；And the second lid shell
Body is configured to be connected to the entirety of circuit breaker housing and the first lid housing composition after the front direction of the first lid housing, and
And second lid housing includes for allowing operational instrument to pass through it respectively close to multiple front sides of multiple output wiring terminals
Opening, wherein circuit breaker housing, the first lid housing and the second lid housing limit the cavity for accommodating leakage protection module jointly.
Above-mentioned configuration based on earth leakage protective device, breaker setting are separated with leakage protection module and output wiring terminal
Circuit breaker housing in, leakage protection module and output wiring terminal simply and reliablely can be assembled into one with circuit breaker housing
It rises.The various pieces of earth leakage circuit breaker have relatively independent structure, convenient for the detection of each structure, simplified manufacture and have
Conducive to reducing cost.In addition, the earth leakage circuit breaker with above-mentioned configuration has simple and firm package assembly.
In some embodiments, leakage protection module includes magnet ring, and a plurality of electric wire respectively passes through the centre bore connection of magnet ring
To multiple output wiring terminals.
Magnet ring can be used for detecting the total current flowed through in the electric wire in hole through its center, to determine whether to leak electricity,
When leaking electricity, magnet ring can excite breaker to open.The configuration of extension, the first lid housing and the second lid housing, makes
Including the leakage protection module of magnet ring, output wiring terminal can it is simple, firmly be contained in it is disconnected in circuit breaker housing
Road device assembles together, wherein being connected to output wiring terminal with the centre bore that electric wire flexible passes through magnet ring.
In some embodiments, output wiring terminal includes the terminal body being maintained in terminal cavity and screw, is passed through
Screw-driving is connected into external cable into terminal body.
In some embodiments, the first lid housing includes positioned at two lid side walls of left and right ends and positioned at two lid side walls
Between partition wall, the cavity between lid side wall is divided into multiple terminal cavitys by partition wall.
In some embodiments, the first lid housing includes the first raised structures stretched out upwards, and circuit breaker housing includes the
One recessed structure, when the first lid housing is connected to upwards stretches out section, the first raised structures are received the first recessed structure
In, the second lid housing includes the second raised structures stretched out backward, and the entirety that circuit breaker housing and the first lid housing form includes
Second recessed structure, when the second lid housing is connected to the entirety of circuit breaker housing and the first lid housing composition backward, second is prominent
Structure is played to be received in the second recessed structure.
Being fitted to each other of first raised structures and the first recessed structure ensure that the first lid housing it is simple, firmly to the first line of a couplet
Be connected to circuit breaker housing, and the second raised structures and the second recessed structure be fitted to each other ensure that the second lid housing it is simple,
It is firmly connected to the entirety of circuit breaker housing and the first lid housing composition upwards.
In some embodiments, the circuit breaker housing includes accommodating the cavity section of multiple breakers and from cavity section
Downward projection of stretching section, the leading-out terminal are located at the lower section of cavity section, and section, first are stretched out in the lower part of cavity section
Lid housing and the second lid housing limit the cavity for accommodating leakage protection module jointly, and the first recessed structure, which is included in, stretches out area
Section, the second recessed structure are included in the entirety for stretching out section and the first lid housing composition.
In some embodiments, the first raised structures include two the first position portions, two the first position portion difference
Two lid side-walls are set, and the first recessed structure includes two for receiving the two of the first position portion the first concave portions
First concave portion is separately positioned in the two stretching side walls positioned at left and right ends for stretching out section, and the first position portion has
Towards forward and backward and upper positioning surface, respectively positioning surface fitting corresponding to the first concave portion.
Preferably, two the first position portions are protruded outward respectively from two lid side walls in the lateral direction and are formed, phase
Two recessed faces inwardly concaved in the lateral direction respectively for two the first position portions are corresponding to stretching side wall respectively
Positioning surface fitting.
In some embodiments, the second prominent structure includes the second position portion, and the second position portion includes the first sub-portion
Section and the second sub-portion section, the second recessed structure include for receive the first sub-portion section, the third in the first lid housing it is recessed
Enter part, and for receive the second sub-portion section, positioned at the 4th concave portion stretched out in section, the first sub-portion section has face
Upward positioning surface, positioning surface fitting corresponding to third concave portion, the second sub-portion section have towards upper and lower positioning
Face is bonded to the corresponding positioning surface of the 4th concave portion.
Preferably, third concave portion is arranged in partition wall.
In some embodiments, the second lid housing includes: left side end wall, right side end wall, downside end wall, the left-hand end
Wall, right side end wall, downside end wall are respectively provided with towards right positioning surface, positioning surface towards left positioning surface and downwards,
The positioning surface fitting corresponding to the first lid housing respectively of those positioning surfaces.
Preferably, left side end wall and right side end wall are received two lids positioned at left and right ends of first shell respectively
Side wall and two positioned at left and right ends for stretching out section stretch out in two the 5th concave portions that side wall is constituted together.
Preferably, it is provided with the second clamping structure on the positioning surface of left side end wall, right side end wall and downside end wall, first
The first clamping structure with the cooperation of the second clamping structure is set on the corresponding positioning surface of lid housing.
In some embodiments, circuit breaker housing includes reinforcing section, and reinforcing section is prominent and receives setting and is separating
In the second concave portion in wall, and reinforcing section has the positioning surface towards left and right, respectively corresponding to partition wall
Positioning surface fitting.
Reinforcing section helps torque suffered by partition wall being transmitted to circuit breaker housing, reduces the deformation of partition wall simultaneously
Enhance the integral strength of earth leakage circuit breaker.
In some embodiments, it is provided in circuit breaker housing and is arranged in the first hole to extend back, the first lid housing
The second hole having, the first hole and the second hole are coaxially arranged for installing fastener.
First hole and the second hole are passed through for fastener, and the first lid housing is firmly secured to circuit breaker housing, so that
The intensity of earth leakage circuit breaker further enhances.
Preferably, the second hole is arranged in partition wall.
In some embodiments, multiple breakers are respectively received in individual sub- shell, and multiple sub- shells are in right and left
Arrangement is upwards to collectively form circuit breaker housing.
Since multiple breakers are respectively received in individual sub- shell, each open circuit can be detected relatively independently
Then the performance of device is then assembled into complete earth leakage circuit breaker.It can find defective open circuit before assembly in this way
Device, to reduce the fraction defective of complete earth leakage circuit breaker.First lid housing, the second lid housing and circuit breaker housing are matched
It is equipped with and helps will be received in that breaker, leakage protection module and output wiring terminal in independent sub- shell be simple, firmly group
Dress up complete earth leakage circuit breaker.
In some embodiments, multiple breakers are contained in individual sub- shell, and multiple sub- shells are in the lateral direction
To collectively form circuit breaker housing, reinforcing section is made of two adjacent sub- respective a part of shell for arrangement.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Through this specification, the same or similar component has the same or similar appended drawing reference.
Fig. 1 shows the perspective view of the earth leakage circuit breaker of embodiment according to the present utility model；
Fig. 2 shows the decomposition perspective views of the earth leakage circuit breaker of embodiment according to the present utility model；
Fig. 3 shows the cross-sectional view of the earth leakage circuit breaker of embodiment according to the present utility model；
Fig. 4 shows the local perspective view of the earth leakage circuit breaker of embodiment according to the present utility model, wherein second
Lid housing is removed；
Fig. 5 shows the perspective view of the earth leakage circuit breaker of embodiment according to the present utility model, and wherein the electric leakage is protected
Shield breaker is in the whole state that the second lid housing is being connected to the first lid housing and circuit breaker housing composition；
Fig. 6 shows the local perspective view of the earth leakage circuit breaker of state shown in fig. 5；
Fig. 7 shows the partial perspective sectional view of the earth leakage circuit breaker of embodiment according to the present utility model.
Specific embodiment
In the following, the earth leakage protective device of embodiment according to the present utility model is described in detail with reference to the drawings.To keep this practical new
The purposes, technical schemes and advantages of type embodiment are clearer, and the following will be combined with the drawings in the embodiments of the present invention, to this
Technical solution in utility model embodiment is clearly and completely described, it is clear that described embodiment is the utility model
A part of the embodiment, instead of all the embodiments.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in conjunction with attached drawing below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It defines unless the context otherwise, otherwise singular includes plural form.Throughout the specification, term " packet
Include ", " having " etc. herein for specifying the presence of the feature, number, step, operation, component, assembly unit or combinations thereof,
But other one or more features, number, step, operation, component, assembly unit or combinations thereof are not precluded the presence or addition of.
In addition, even if the term including the ordinal numbers such as " first ", " second " can be used for describing various parts, but these portions
Part is not limited by these terms, and these terms are only used to distinguish an element and other elements.For example, not departing from
In the case where the scope of the utility model, the first component can be referred to as second component, and similarly, and second component can be by
The referred to as first component.
Fig. 1 shows the perspective view of the earth leakage circuit breaker of embodiment according to the present utility model；Fig. 2 shows bases
The decomposition perspective view of the earth leakage circuit breaker of the embodiments of the present invention；Fig. 3 shows implementation according to the present utility model
The cross-sectional view of the earth leakage circuit breaker of example.
As shown in Figure 1-3, earth leakage circuit breaker include circuit breaker housing, the first lid housing 30 and the second lid housing 40,
Multiple breakers 50, leakage protection module 60 and multiple output wiring terminals 70.In the example, multiple 50 Hes of breaker
Corresponding multiple output wiring terminals 70 are 4, and therefore, earth leakage circuit breaker is quadrupole earth leakage circuit breaker.So
And the utility model is without being limited thereto, or other numbers of poles, for example, 2 poles or 3 are extremely etc..
Each breaker 50 includes handle 51, and multiple breakers 50 are contained in circuit breaker housing, wherein handle 51
It is stretched out from circuit breaker housing.When user moves handle 51 or when leakage protection module 60 detects electric leakage, multiple open circuits
The turn-off current circuit in linkage of device 50.Operating surface where the handle 51 of earth leakage circuit breaker is defined as front, usually
For user oriented installation one side, to facilitate operation of the user to breaker 50.
It can clearly be seen from figure 3 that circuit breaker housing includes cavity section 10 and stretching section 20, the cavity section 10
Four breakers 50 are accommodated, but the utility model is without being limited thereto, the circuit breaker housing for accommodating breaker 50 can have others
Construction.According to the present embodiment, four electric wires 52 are stretched out from the leading-out terminal in 10 lower part of cavity section, are then protected respectively by electric leakage
Shield module 60 is connected to four output wiring terminals 70.It is thus possible to define upper and lower, front, rear, left and right six direction, such as scheme
Shown in 1-3.The lower section of leading-out terminal is arranged in close to leading-out terminal for leakage protection module 60, and connects positioned at leading-out terminal and four outputs
Between line terminals 70.It stretches out section 20 to be downwardly projected from cavity section 10, and forms generally L-shaped arrangement with cavity section 10.
In addition, earth leakage circuit breaker can also include the input wires terminal 80 positioned at 50 top of breaker.According to breaker 50
State, input wires terminal 80, breaker 50, output wiring terminal 70 constitute the current loop of open or close.
Leakage protection module 60 may include the circuit board 62 that magnet ring 61 and magnet ring 61 are disposed thereon.It is stretched out from leading-out terminal
Four electric wires 52 both pass through the centre bore of magnet ring 61, be then attached to output wiring terminal 70.Leakage protection module 60 measures
Total current in four electric wires 52 of the centre bore of magnet ring 61 is determined when the variation of total current exceeds predetermined threshold
It now leaks electricity, the opening of breaker 50 is then excited by trigger member (not shown).
The L-shaped inside for stretching out that section 20 and cavity section 10 are constituted, and cavity area is arranged in leakage protection module 60
The lower part of section 10, stretching out section 20, the first lid housing 30 and the second lid housing 40, restriction accommodates leakage protection module 60 jointly
Cavity.Circuit breaker housing, stretching section 20, the first lid housing 30 and the second lid housing 40 are made of insulating material, such as are insulated
Resin.Output wiring terminal 70 is maintained in multiple terminal cavitys 31 of the first lid housing 30.Specifically, output wiring terminal
70 include the terminal bodies 71 and screw 72 that are maintained in the first lid housing 30, and screw 72 is tightened to terminal body 71
Connect external cable (not shown).The electric wire 52 stretched out from the leading-out terminal of circuit breaker housing can be soldered to terminal body 71, outside
Portion's electric wire is inserted into the wiring aperture of terminal body 71, made and tightening screw 72 external cable and electric wire 52 it
Between via terminal body 71 formed be electrically connected.
First lid housing 30 is provided with for allowing external cable to pass through it respectively close to four output wiring terminals 70
Four lower openings 32 of terminal body 71.Second lid housing 40 is provided with for allowing the operational instrument such as screwdriver to distinguish
By its close to multiple output wiring terminals 70 head of screw front openings 41.
External cable can be inserted into the wiring aperture of terminal body 71 by the lower opening 32 of the first lid housing 30,
Then user can tighten screw 72 from previous action screwdriver external cable to be electrically connected to the electric wire 52 of breaker 50.By
It is therefore, convenient for the user to operate in front openings 41 towards front openings.
Fig. 4-7 shows the various the perspective sectional views of the earth leakage circuit breaker of embodiment according to the present utility model.Such as
Fig. 4-7, particularly as indicated by the arrow in Fig. 5, the first lid housing 30 is configured in the front direction for stretching out section 20
It is connected to and stretches out section 20.Second lid housing 40, which is configured to be connected to after the front direction of the first lid housing 30, stretches out section 20
With the entirety of the first lid housing 30 composition.As described above, output wiring terminal 70 is maintained at the terminal cavity of the first lid housing 30
In 31.In addition, the lower part of cavity section 10, stretching section 20, the first lid housing 30 and the second lid housing 40 are limited jointly and are accommodated
The cavity of leakage protection module 60.Therefore, the configuration of the first lid housing 30, the second lid housing 40 and circuit breaker housing is so that output
Connecting terminal 70 and leakage protection module 60 can be simple and firmly assemble with the breaker 50 being contained in circuit breaker housing
At earth leakage circuit breaker.Preferably, the first lid housing 30 and the second lid housing 40 are Integral moulding, to guarantee structure
Intensity.
Advantageously, moreover, output wiring terminal 70, leakage protection module 60 and breaker 50 can have relatively independent
Structure.In some instances, the property of breaker 50 can be dividually detected with output wiring terminal 70, leakage protection module 60
Can, guaranteeing the functional of breaker 50 and then is being assembled.Therefore, production cost can be reduced.
Preferably, as shown in Fig. 2, circuit breaker housing is made of four individual sub- shells, four breakers 50 hold respectively
It is contained in individual sub- shell.Four sub- shells are arranged in the lateral direction to collectively form circuit breaker housing, that is, are collectively formed
Cavity section 10 and stretching section 20.The multiple breakers 50 being respectively received in sub- shell can be by coupling spindle (not shown)
Linkage.In such a case, it is possible to the performance of each breaker 50 of independent measurement, guarantee each breaker 50 it is functional it
Afterwards, then by individual sub- shell be fixed to one another and be assembled into circuit breaker housing, finally again with four output wiring terminals 70 and leakage
Electric protection module 60 is assembled into complete earth leakage circuit breaker.In this way, complete earth leakage circuit breaker can be reduced not
Yield, and reduce production cost.
The construction of the first lid housing 30 of embodiment according to the present utility model is described below.
First lid housing 30 includes point positioned at two lid side walls 33 of left and right ends and between two lid side walls 33
Cavity between lid side wall 33 is divided into the multiple terminal cavitys 31 for keeping output wiring terminal 70 by next door 34, partition wall 34.
In this example, partition wall 34 is three, and the cavity between two lid side walls 33 is divided into and keeps four outlet terminals
Four terminal cavitys 31 of the terminal body 71 of son 70.
In order to enable the first lid housing 30 simply, is steadily connected to stretching section 20 upwards, the first lid housing 30 includes
The first raised structures stretched out upwards, stretching out section 20 includes the first recessed structure, is stretched when the first lid housing 30 is connected to upwards
Out when section 20, the first raised structures are received in the first recessed structure, to constrain the first lid housing 30 relative to stretching area
Position of the section 20 on front-rear direction and left and right directions.First raised structures are not limited to single part, may include multiple portions
Point and can each part can have different shapes, the utility model is without being limited thereto.
First lid housing 30 includes two stretched out upwards the lid side wall 33 positioned at left and right ends.First raised structures include
Two the first position portions 331 being separately positioned at two lid side walls 33.Two the first position portions 331 are in the lateral direction
Protrude outward and formed from two lid side walls 33 respectively, each first position portion 331 from the section of left and right directions to
Upper extension.Stretching out section 20 includes that two extended downwardly positioned at left and right ends stretch out side wall 21.First recessed structure includes
For receiving the first concave portion 211 of the first position portion 331, first concave portion 211 setting is in stretching out side wall 21.
First position portion 331 have towards forward and backward and upper positioning surface, respectively to the corresponding positioning surface of the first concave portion 211
Fitting, with constrain the first lid housing 30 relative to stretch out section 20 position in the front-back direction and constraint the first lid housing 30 to
On be connected to stretch out section 20 degree.In addition, concaving in the lateral direction respectively relative to two the first position portions 331
Two recessed faces 332 entered are bonded to the corresponding positioning surface for the stretching side wall 21 for stretching out section 20 respectively, to constrain the first lid shell
Position of the body 30 relative to stretching section 20 in left and right directions.
In the case where circuit breaker housing is made of multiple individual sub- shells, two stretching side walls 21 are respectively included in position
Two sub- shells in left and right ends.
Since terminal body 71 is maintained in the terminal cavity 31 marked off by partition wall 34, when screw 72 is screwed into terminal sheet
When in body 71, torque suffered by terminal body 71 will be passed to partition wall 34.In order to reinforce the first lid housing 30 intensity,
Reduce the deformation of the partition wall 34 of the first lid housing 30, stretching out section 20 further includes reinforcing section 22.Reinforcing section 22 is prominent simultaneously
It is inserted into second concave portion 341 being arranged in partition wall 34, which has the positioning towards left and right
Face is respectively bonded to the corresponding positioning surface of the second concave portion 341.Since the second concave portion 341 in partition wall 34 connects
The reinforcing section 22 for stretching out section 20 is received, therefore, the partition wall 34 of the first lid housing 30 transfers torque to breaker shell in turn
The stretching section 20 of body.To which the first lid housing 30 can have higher intensity, the overall structure energy of earth leakage circuit breaker
It is enough more firm.
In the case where circuit breaker housing is made of multiple individual sub- shells, reinforcing section 22 can be by adjacent two
A part of sub- shell is constituted.
It is provided with the first hole 23 to extend back as shown in figure 4, stretching out in section 20, is arranged second in the first lid housing 30
Hole 35.When the first lid housing 30 is correctly installed to breaker 50, the first hole 23 and the second hole 35 are coaxially arranged, for installing
Fastener, which, which is used to for the first lid housing 30 being more securely fixed to, stretches out section 20.Preferably, the second hole 35 is arranged
In partition wall 34.First hole 23 and the second hole 35 can be screw hole, and fastener can be screw.Fastener can also be spiral shell
Bolt, tapping screw etc..In the case where fastener is tapping screw, the installation and easy first lid housing of fastener can be convenient
30 and circuit breaker housing processing.
The construction of the second lid housing 40 of embodiment according to the present utility model is described below.
In order to enable the second lid housing 40 simply, is steadily connected to stretching section 20 and the first lid housing 30 composition upwards
Entirety, the first lid housing 40 includes the second raised structures for stretching out upwards, stretches out section 20 and the first lid housing 30 composition
Whole includes the second recessed structure, stretches out the whole of section 20 and the first lid housing 30 composition when the second lid housing 40 is connected to backward
When body, the second raised structures are received in the second recessed structure, are existed with constraining the second lid housing 40 relative to section 20 is stretched out
Position in up and down direction and left and right directions.Second raised structures are not limited to single part, may include multiple portions and
Can each part can have different shapes, the utility model is without being limited thereto.
As illustrated in figs. 5-7, the second prominent structure includes the second position portion 42, and the second position portion 42 includes protruding backward
The first sub-portion section 421 and from rearwardly projecting second sub-portion section 422 of the first sub-portion section 421.Second recessed structure includes being used for
Receive the third concave portion 36 of the first sub-portion section 421 and the 4th concave portion 24 for receiving the second sub-portion section, the third
Concave portion 36 is located in the first lid housing 30, and the 4th concave portion 24, which is located at, to be stretched out in section 20.Second sub-portion section 422 tool
Have upwardly with downward positioning surface, be bonded to the corresponding positioning surface of the 4th concave portion 24, thus the second lid housing of constraint
40 position relative to stretching section 20 in the up-down direction.First sub-portion section 421 has positioning surface upwardly, with third
The corresponding positioning surface of concave portion 36 is bonded, thus when the second lid housing 40 is installed in place after, the first lid housing 30 of prevention to
Backed off after random.
In addition, the first sub-portion section 421 and/or the second sub-portion section 422 can also include the positioning surface towards after, to constrain
Two lid housings 40 are connected back to the degree of the first lid housing 30.
Preferably, the second position portion 42 is elongated in shape, which is preferably provided in partition wall 34
In, the 4th concave portion 24 is arranged in the first position portion 331.
As shown in Fig. 5,7, the second lid housing 40 further includes left side end wall (not shown), right side end wall 43 and downside end wall
44, extend respectively backward, and be respectively provided with positioning surface to the right, to the left and downwards, those positioning surfaces are covered with first respectively
The corresponding positioning surface of shell 30 is bonded, for constraining position of second lid housing 40 relative to the first lid housing 30.
In addition, left side end wall and right side end wall 43 can be used as the second prominent structure, left side end wall and right side end wall 43 divide
It is that the lid side wall 33 for not being received the first lid housing 30 and the stretching side wall 21 for stretching out section 20 are constituted together, recessed as second
Enter in corresponding two the 5th concave portions 38 of structure.Left side end wall and right side end wall 43 can also include the positioning towards after
Face is bonded to the corresponding positioning surface of the 5th concave portion 38.
In addition, in order to guarantee to be stably connected with, left side end wall, right side end wall 43 and downside end 44 to the right, to the left and to
Under positioning surface on be provided with the second clamping structure 371,372 of the first lid housing 30 cooperation the first clamping structure 431,
441.Clamping structure is guaranteeing to make the easier for installation of the first lid housing while being stably connected with, but other also can be used
Fixed structure, such as use the fasteners such as screw.
The scope of the utility model is not limited by above described embodiment, but by appended claims
And its equivalent limits.
Claims (18)
1. a kind of earth leakage circuit breaker, the operating surface where handle (51) is defined as front, which is characterized in that the leakage
Electric protection breaker includes:
Circuit breaker housing accommodates multiple breakers (50)；
Multiple breakers (50), arrange in the lateral direction, and each of multiple breakers (50) include from open circuit
The electric wire (52) that the leading-out terminal of device lower part of the housing stretches out；
Leakage protection module (60), the lower section of leading-out terminal is arranged in close to leading-out terminal,
Multiple output wiring terminals (70), a plurality of electric wire of stretching pass through respectively leakage protection module (60) connect down to it is multiple
Output wiring terminal (70)；
First lid housing (30) is configured to be connected to circuit breaker housing upwards in the lower section of circuit breaker housing, and described
First lid housing includes keeping multiple terminal cavitys (31) of multiple output wiring terminals (70) respectively and for allowing external electrical
Line is by it respectively close to multiple lower openings (32) of multiple output wiring terminals (70)；And
Second lid housing (40) is configured to be connected to circuit breaker housing and the first lid shell after the front direction of the first lid housing
The entirety of body composition, and second lid housing includes for allowing operational instrument to pass through it respectively close to multiple output connections
Multiple front openings (41) of terminal (70), wherein
Circuit breaker housing, the first lid housing (30) and the second lid housing (40) limit the chamber for accommodating leakage protection module (60) jointly
Body.
2. earth leakage circuit breaker according to claim 1, which is characterized in that
Leakage protection module (60) includes magnet ring (61), and the centre bore that a plurality of electric wire respectively passes through magnet ring is connected to multiple outputs and connects
Line terminals (70).
3. earth leakage circuit breaker according to claim 1, which is characterized in that
Output wiring terminal (70) includes the terminal body (71) that is maintained in terminal cavity (31) and screw (72), by by spiral shell
Nail (72) is tightened in terminal body (71) and connects external cable.
4. earth leakage circuit breaker according to claim 1, which is characterized in that
First lid housing (30) includes positioned at two lid side walls (33) of left and right ends and between two lid side walls (33)
Cavity between lid side wall (33) is divided into multiple terminal cavitys (31) by partition wall (34), partition wall (34).
5. earth leakage circuit breaker according to claim 4, which is characterized in that
First lid housing (30) includes the first raised structures stretched out upwards, and circuit breaker housing includes the first recessed structure, when the
When one lid housing (30) is connected to stretching section (20) upwards, the first raised structures are received in the first recessed structure,
Second lid housing (40) includes the second raised structures stretched out backward, what circuit breaker housing and the first lid housing (30) formed
Whole includes the second recessed structure, when the second lid housing (40) is connected to circuit breaker housing and the first lid housing (30) composition backward
Entirety when, the second raised structures are received in the second recessed structure.
6. earth leakage circuit breaker according to claim 5, which is characterized in that the earth leakage circuit breaker includes:
The circuit breaker housing includes accommodating the cavity section (10) of multiple breakers (50) and dashing forward downwards from cavity section (10)
Stretching section (20) out,
The leading-out terminal is located at the lower section of cavity section (10),
The lower part of cavity section (10), stretching out section (20), the first lid housing (30) and the second lid housing (40), restriction is held jointly
Receive the cavitys of leakage protection module (60),
The first recessed structure, which is included in, stretches out section (20),
The second recessed structure is included in the entirety for stretching out section (20) and the first lid housing (30) composition.
7. earth leakage circuit breaker according to claim 5, which is characterized in that
First raised structures include two the first position portions (331), and two lids are respectively set in two the first position portions (331)
At side wall (33), the first recessed structure includes two for receiving the first lid housing (30) of the first position portion (331) the
One concave portion (211), two the first concave portions (211) be separately positioned on stretch out section (20) positioned at the two of left and right ends
In a stretching side wall (21), the first position portion (331) has towards forward and backward and upper positioning surface, respectively recessed with first
The partially corresponding positioning surface fitting of (211).
8. earth leakage circuit breaker according to claim 7, which is characterized in that
Two the first position portions (331) protrude outward from two lid side walls (33) respectively in the lateral direction and are formed, relatively
In two recessed faces (332) that two the first position portions (331) inwardly concave in the lateral direction respectively respectively with protruding side
The corresponding positioning surface of wall (21) is bonded.
9. earth leakage circuit breaker according to claim 5, which is characterized in that
Second prominent structure includes the second position portion (42), and the second position portion (42) includes the first sub-portion section (421) and the
Two sub-portion sections (422), the second recessed structure include for receives the first sub-portion section (421), in the first lid housing (30)
The second concave portion (341), and for receives the second sub-portion section (422), be located at it is the 4th recessed in stretching section (20)
Enter part (24), the first sub-portion section (421) has positioning surface upwardly, to the corresponding positioning of the second concave portion (341)
Face paste is closed, and the second sub-portion section (422) has towards upper and lower positioning surface, to the corresponding positioning surface of the 4th concave portion (24)
Fitting.
10. earth leakage circuit breaker according to claim 9, which is characterized in that
Second concave portion (341) is arranged in partition wall.
11. earth leakage circuit breaker according to claim 1, which is characterized in that
Second lid housing (40) includes:
Left side end wall, right side end wall (43), downside end wall (44), the left side end wall, right side end wall (43), downside end wall (44)
It is respectively provided with towards right positioning surface, positioning surface towards left positioning surface and downwards, those positioning surfaces are respectively with first
The corresponding positioning surface of lid housing (30) is bonded.
12. earth leakage circuit breaker according to claim 11, which is characterized in that
Left side end wall and right side end wall (43) are received two lid sides positioned at left and right ends of first shell (30) respectively
Wall (33) and two positioned at left and right ends for stretching out section (20) stretch out two the 5th concave portions that side wall (21) are constituted together
Divide in (38).
13. earth leakage circuit breaker according to claim 11, which is characterized in that
Be provided on the positioning surface of left side end wall, right side end wall (43) and downside end wall (44) the second clamping structure (441,
431), on the corresponding positioning surface of the first lid housing (30) be arranged with the second clamping structure cooperation the first clamping structure (371,
372)。
14. earth leakage circuit breaker according to claim 4, which is characterized in that
Circuit breaker housing includes reinforcing section (22), and reinforcing section (22) is prominent and receives the be arranged in partition wall (34)
In two concave portions (341), and reinforcing section (22) have the positioning surface towards left and right, respectively with partition wall (34)
Corresponding positioning surface fitting.
15. earth leakage circuit breaker according to claim 4, which is characterized in that
The second hole being provided in the first hole (23) to extend back, the first lid housing (30) is provided in circuit breaker housing
(35), the first hole (23) and the second hole (35) are coaxially arranged for installing fastener.
16. earth leakage circuit breaker according to claim 15, which is characterized in that
Second hole is arranged in partition wall (34).
17. earth leakage circuit breaker according to claim 1, which is characterized in that
Multiple breakers (50) are respectively received in individual sub- shell, and multiple sub- shells are arranged in the lateral direction with common structure
At circuit breaker housing.
18. earth leakage circuit breaker according to claim 14, which is characterized in that
Multiple breakers (50) are contained in individual sub- shell, and multiple sub- shells arrange disconnected to collectively form in the lateral direction
Road device shell, reinforcing section (22) are made of two adjacent sub- respective a part of shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920131575.5U CN209328811U (en) | 2019-01-25 | 2019-01-25 | Earth leakage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920131575.5U CN209328811U (en) | 2019-01-25 | 2019-01-25 | Earth leakage circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209328811U true CN209328811U (en) | 2019-08-30 |
Family
ID=67731842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920131575.5U Active CN209328811U (en) | 2019-01-25 | 2019-01-25 | Earth leakage circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209328811U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11676776B2 (en) | 2020-06-12 | 2023-06-13 | Appleton Grp Llc | Finger safe cover for a terminal of an electrical switching device |
-
2019
- 2019-01-25 CN CN201920131575.5U patent/CN209328811U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11676776B2 (en) | 2020-06-12 | 2023-06-13 | Appleton Grp Llc | Finger safe cover for a terminal of an electrical switching device |
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