CN207624637U - A kind of plug-in type miniature circuit breaker - Google Patents
A kind of plug-in type miniature circuit breaker Download PDFInfo
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- CN207624637U CN207624637U CN201721400674.6U CN201721400674U CN207624637U CN 207624637 U CN207624637 U CN 207624637U CN 201721400674 U CN201721400674 U CN 201721400674U CN 207624637 U CN207624637 U CN 207624637U
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 21
- 239000011692 calcium ascorbate Substances 0.000 claims description 12
- 230000004224 protection Effects 0.000 claims description 8
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- 210000003734 kidney Anatomy 0.000 claims description 3
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- 238000010586 diagram Methods 0.000 description 16
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- 230000000994 depressogenic effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 241001416181 Axis axis Species 0.000 description 1
- 239000004283 Sodium sorbate Substances 0.000 description 1
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- 239000002360 explosive Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
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- 238000011105 stabilization Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
A kind of plug-in type miniature circuit breaker; it includes shell (A), leading-out terminal (B), end of incoming cables (C), button mechanism (D), operating mechanism (G), overload protecting mechanism (H), arc-extinguishing mechanism (I), short current protective mechanism (J) and signal end (K), it is characterised in that:The button mechanism (D) is linked with locking device (E) and fixed tripper (F).This plug-in type miniature circuit breaker, wiring can be inserted directly into, and be taken out stitches simple to operate；Locking mechanism is improved simultaneously, make breaker that can not arbitrarily close a floodgate outside cabinet, it can free divide-shut brake in cabinet, breaker cannot be extracted from cabinet by the parts in addition to button, by pulling button that can easily take out breaker from cabinet, breaker installation and the safety used ensure that；Breaker solves the problems, such as that breaker local temperature rise is excessively high suitable for specific small space by rearrangement circuit breaker internal structure.
Description
Technical field
The utility model belongs to breaker technical field, is exactly specifically to be related to a kind of plug-in type miniature circuit breaker.
Background technology
Breaker is divided into high-voltage circuitbreaker and low-voltage circuit breaker by its use scope.Low-voltage circuit breaker is also known as automatic switch,
It is a kind of existing manual switch effect, and can carry out decompression, under-voltage, overload and short-circuit protection electric appliance automatically.It can be used to
Electric energy is distributed, asynchronous motor is infrequently started, the implementations such as power circuit and motor are protected, when their generations are serious
When overload or short circuit and the failures such as under-voltage can automatic shutdown circuit, function is equivalent to Fuse switch and crosses underheat relay
The combination of device etc., and parts need not be generally changed after disjunction fault current, it has had been widely used.
Breaker divides according to the installation method：The use of plug-in type, fixed and drawer type, plug in circuit breaker can be carried effectively
High electrical equipment uses the safety of industry, with plug in circuit breaker being widely used on various electrical equipments, in order to full
The installation of the various different electrical equipments of foot needs, and the structure of plug in circuit breaker also develops to of all kinds, and existing plug-in type is small
Type breaker generally uses the screw-type mode of connection to access conducting wire, and closing operation can be carried out when breaker is not loaded into cabinet,
Generally lock for circuit breaker is scheduled in cabinet using shrapnel in cabinet, unlock taking-up breaker is needed by additional work from cabinet
Tool, it is inconvenient for operation, while existing miniature circuit breaker short circuit instantaneous protection generally uses Direct Action Type solenidal electromagnet instantaneous protection
Device takes up space relatively large, is unfavorable for wire arrangements.
Utility model content
The purpose of this utility model is unreliable for existing miniature circuit breaker installation locking mechanism, be easy to cause and accidentally closes
Lock, and whole device take up space it is larger, be unfavorable for conducting wire arrangement technological deficiency, a kind of plug-in type miniature circuit breaker is provided,
Wiring can be inserted directly into, and be taken out stitches simple to operate；Locking mechanism is improved simultaneously, makes breaker can not outside cabinet
Arbitrarily close a floodgate, in cabinet can free divide-shut brake, breaker cannot be extracted from cabinet by the parts in addition to button,
By pulling button that can easily take out breaker from cabinet, breaker installation and the safety used ensure that；Open circuit
Device solves the problems, such as that breaker local temperature rise is excessively high suitable for specific small space by rearrangement circuit breaker internal structure.
Technical solution
In order to achieve the above technical purposes, the utility model design a kind of plug-in type miniature circuit breaker, it include shell,
Leading-out terminal, end of incoming cables, button mechanism, operating mechanism, overload protecting mechanism, arc-extinguishing mechanism, short current protective mechanism and signal end, institute
Button mechanism is stated to connect with operating mechanism, the button mechanism mounted in the outer side end button mounting groove in, it is described go out
For line end in the leading-out terminal mounting groove at the outer side end, leading-out terminal is located at the lower section of the button mechanism, the short circuit
Protection mechanism is located at the right side of the leading-out terminal below the operating mechanism, and the short current protective mechanism connects with leading-out terminal
It connects, the right-hand end that the end of incoming cables is located at the overload protection and arc-extinguishing mechanism is mounted on the inlet wire mounting groove of shell inner end
Interior, the end of incoming cables is connected with the overload protecting mechanism, it is characterised in that:The plug-in type miniature circuit breaker further includes lock
Determine device and fixed tripper, the button mechanism and locking device and fixed tripper linkage.
Further, the locking device includes lock button, and the lock button is by axis one in the shell
It can be rotated around axis one on wall, the left-hand end of the lock button is equipped with positive stop lug boss one, on the button in the button mechanism
Equipped with limited step one corresponding with positive stop lug boss one, the right side upper surface of the lock button is equipped with locking boss one, institute
It states shell and is equipped with the spacing slotted eye one answered with described locking boss a pair, torsional spring one fills on the shell, and the one of the torsional spring one
End rides over the lock button and is located on the lower surface on one right side of axis.
Further, the fixed tripper includes fixed mechanism and unlocking mechanism, and the fixed mechanism includes fastener, institute
The right end for stating fastener is equipped with cylinder, and in the arc-shaped slot on the outer casing inner wall, torsional spring two fills on the shell the cylinder,
One end of the torsional spring two rides over the lower surface of the fastener, and the fastener upper side is equipped with locking boss two, the shell
It is equipped with spacing slotted eye corresponding with the locking boss two two.
Further, the unlocking mechanism includes unfastening fastener, and the unfastening fastener is by can be around on two cased wall of axis
Axis two rotates, and the right-hand end of the unfastening fastener, which is equipped with, unbuttons boss one, and the boss one of unbuttoning snaps over the fastener left end
It unbuttons on linkage step, the left-hand end of the unfastening fastener, which is equipped with, solves button block one, in the solution button block one and the button mechanism
Driving protrusion one on button is corresponding.
Further, the axis one and axis two are same axis, and the lock button and unfastening fastener are mounted on axis side by side, described
Torsional spring one and torsional spring two are same torsional spring, and one end of the torsional spring rides over the lower surface that the lock button is located at one right side of axis
On, the other end rides on the step surface one of the fastener lower part.
Further, the short current protective mechanism includes armature, yoke, coil, iron core, axis and armature torsional spring, the iron core
In the yoke, the mounting coil on iron core, the armature on the axis can pivoting, be equipped on the axis
Armature torsional spring, the armature torsional spring, which resists the armature, can make its reset.
Further, the overload protecting mechanism includes arc leading angle, wiring board, adjusting screw and bimetal leaf, double gold
Belong to piece to be fixed together with the wiring board, the adjusting screw can adjust the bimetal leaf on the arc leading angle
Position.
Further, the lock button is located at the lower surface on the right side of axis one equipped with slot, on the lock button lateral surface
Equipped with overhead kick boss corresponding with slot, one end of the torsional spring one, which rides over, resists the overhead kick boss in slot.
Further, right side is equipped with chamfering on the locking boss two, and one end of the torsional spring two rides under the fastener
On the step surface one in portion.
Further, the yoke includes a pair of magnetic yoke plate being arranged face-to-face, is stretched out on the medial surface of the yoke plate solid
Fixed board, the fixed plate are equipped with mounting hole, so that yoke is fixed in the fixed column of the mounting hole dress on the shell.
Further, the both ends of the iron core are attached separately in the mounting hole on the yoke plate, and the iron core both ends are platform
The step surface of rank, the step resists yoke plate.
Further, the armature medial surface stretch out mounting plate, the mounting plate be equipped with shaft mounting hole, the two of the axis
End is attached separately in shaft mounting hole, and on axis between mounting plate, the armature one end rides over the armature torsional spring
On shell, the other end rides over armature lower surface.
Further, the armature be tablet, the yoke plate ' upper surface be flat face corresponding with tablet, the rank
The front end of iron is equipped with dropout boss.
Further, the wiring board is equipped with band movable plate, and one end and the band movable plate of the bimetal leaf are installed on together,
Described to be located at below the supporting plate on the arc leading angle with movable plate, the supporting plate is equipped with threaded hole, and the threaded hole is built-in
Have an adjusting screw, the adjusting screw with the corresponding position that can adjust bimetal leaf of movable plate.
Further, the arc leading angle is electrically connected with the wiring board by contacting to compress or weld to be fitted together.
Further, the arc leading angle includes run-on tab ontology, the run-on tab ontology bending connecting bracket plate, run-on tab sheet
Body and supporting plate are equipped with the slot of perforation, and the supporting plate head end plate face is equipped with threaded hole, the run-on tab outer body
End is connect with connecting plate, and striking holder is drawn in the slot of the supporting plate outboard end, and the striking holder is connected with run-on tab,
The run-on tab is parallel with supporting plate, and the run-on tab ontology is parallel with the striking holder.
Further, the wiring board includes plug wire holder, the plug wire holder be equipped with kidney slot, the band movable plate with insert
Line bracket circular sliding slopes, the band movable plate be located at it is parallel with the plug wire holder below the plug wire holder, the band movable plate from
Slot is inserted into below supporting plate head end plate face and parallel with supporting plate, and power socket is connected on the right side of the plug wire holder.
Further, the end of incoming cables includes at least two power socket, and the power socket is pectination, by the opposite shape phase of 2 rows
Imitative broach composition.
Further, the power socket is made by conductive energy and flexible material.
Further, the leading-out terminal includes terminal plate and shrapnel, and shrapnel compresses external wire and terminal plate.
Advantageous effect
A kind of plug-in type miniature circuit breaker provided by the utility model, wiring can be inserted directly into, and take out stitches side easy to operate
Just；Simultaneously locking mechanism is improved, make breaker that can not arbitrarily close a floodgate outside cabinet, in cabinet can free divide-shut brake,
Breaker cannot be extracted from cabinet by the parts in addition to button, by pull button can easily by breaker from
It is taken out in cabinet, ensure that breaker installation and the safety used；Breaker is suitable for specific small space, by arranging again
Cloth circuit breaker internal structure solves the problems, such as that breaker local temperature rise is excessively high.
Description of the drawings
Attached drawing 1 is the structural schematic diagram of the utility model embodiment.
Attached drawing 2 is locking device structure schematic diagram in the utility model embodiment.
Attached drawing 3 is the structural schematic diagram that button is latched in the utility model embodiment.
Attached drawing 4 is the structural schematic diagram of fastener in the utility model embodiment.
Attached drawing 5 is the positional structure schematic diagram of step surface one in the utility model embodiment.
Attached drawing 6 is the structural schematic diagram of unfastening fastener in the utility model embodiment.
Attached drawing 7 is positional structure schematic diagram between locking device and fixed tripper in the utility model embodiment.
Attached drawing 8 is locking device and fixed tripper mounting structure schematic diagram in the utility model embodiment.
Attached drawing 9 is the structural schematic diagram of button mechanism in the utility model embodiment；
Attached drawing 10 is the structural schematic diagram of button in the utility model embodiment；
Attached drawing 11 is the structural schematic diagram of short current protective mechanism in the utility model embodiment；
Attached drawing 12 is the explosive view of short current protective mechanism in the utility model embodiment；
Attached drawing 13 is the structural schematic diagram of overload protecting mechanism in the utility model embodiment；
Attached drawing 14 is the structural schematic diagram of arc leading angle in the utility model embodiment.
Attached drawing 15 is the structural schematic diagram of wiring board in the utility model embodiment.
Attached drawing 16 is the structural schematic diagram of leading-out terminal in the utility model embodiment.
Attached drawing 17 is the structural schematic diagram that the utility model embodiment breaker extracts that cabinet disconnects out.
Specific implementation mode
With reference to the accompanying drawings and examples, the utility model is described in further details.
Embodiment
As shown in Fig. 1, a kind of plug-in type miniature circuit breaker, it includes shell A, leading-out terminal B, end of incoming cables C, button mechanism
D, locking device E, fixed tripper F, operating mechanism G, overload protecting mechanism H, arc-extinguishing mechanism I, short current protective mechanism J and letter
Number end K, the button mechanism D connect with operating mechanism G, and the button mechanism D is mounted in the button installation of the shell A outboard ends
In slot A01, the leading-out terminal B A02, leading-out terminal B in the leading-out terminal mounting groove of the shell A outboard ends are located at the button
The lower section of mechanism D, the short current protective mechanism J is located at the right side of the leading-out terminal B below the operating mechanism G, described
Short current protective mechanism J is connect with leading-out terminal B, and the end of incoming cables C is located at the right-hand end peace of the overload protection H and arc-extinguishing mechanism I
In the inlet wire mounting groove A03 of the inner ends shell A, the end of incoming cables C is connected with the overload protecting mechanism H, described to insert
It further includes locking device E and fixed tripper F, the button mechanism D and locking device E and fixed solution to enter formula miniature circuit breaker
Locking device F linkages.
As shown in Fig. 2 and 3, the locking device E includes that lock button E301, the lock button E301 pass through axis
One E302 can be rotated on the inner wall of the shell A around one E302 of axis, and the left-hand end of the lock button E301 is equipped with limit
Button D2 in position boss one E301a, the button mechanism D is equipped with limited step corresponding with one E301a of positive stop lug boss one
The right side upper surface of DE201, the lock button E301 are equipped with locking boss one E301b, the shell A be equipped with it is described
Corresponding one AE102 of spacing slotted eye of one E301b of boss are locked, one E4 of torsional spring is on shell A, one end of one E4 of the torsional spring
E401 rides over the lock button E301 and is located on the lower surface on the right side of one E302 of axis.The lock button E301 is located at axis one
Lower surface on the right side of E302 is equipped with slot E301c, the lock button E301 lateral surfaces be equipped with it is corresponding with slot E301c
Boss E301d is hooked, one end E401 of one E4 of the torsional spring, which rides over, resists the overhead kick boss E301d in slot E301c.Work as breaker
Off-state, the lock button E301 are acted on by one E4 of torsional spring so that the positive stop lug boss one on the left of lock button E301
E301a resists one DE201 of limited step of button D2, and lock button E301 locks button D2, and operation button D2 can not be pressed,
Breaker can not close a floodgate.In the present embodiment, when breaker can free opening and closing state when, breaker is installed in place in cabinet L
When, one E301b of lock button E301 right locks boss is depressed by cabinet plate, and lock button E301 is rotated clockwise, and lock is pressed
One E301a of positive stop lug boss no longer resists one E201 of limited step in the middle part of button E2 on the left of button E301, and operation button D2 unlocks push away
(drawing) moves button D2, drives the action of the connecting rod in breaker mechanism that breaker is made to close (dividing) lock.
The fixed tripper F includes fixed mechanism F3 and unlocking mechanism F4, as shown in figs. 4 and 5, the fixed machine
Structure F3 includes fastener F301, and the right end of the fastener F301 is equipped with cylinder F301a, the cylinder F301a in the shell A
In arc-shaped slot AF102 on wall, for two F5 of torsional spring on shell A, one end F501 of two F5 of the torsional spring rides over the fastener
The lower surface of F301, the fastener F301 upper sides, which are equipped with, locks two F301b of boss, and the shell A is equipped with and the lock
Determine corresponding two AF103 of spacing slotted eye of two F301b of boss；Right side is equipped with chamfering, the torsion on two F301b of locking boss
One end F501 of two F5 of spring rides on one F301d of step surface of the lower parts the fastener F301.The unlocking mechanism F4 includes solution
Fastener F401, as shown in Fig. 6, the unfastening fastener F401 can be around two F402 of axis on shell A inner walls by two F402 of axis
Rotation, the right-hand end of the unfastening fastener F401, which is equipped with, unbuttons boss one F401a, it is described unbutton one F401a of boss snap over it is described
Fastener F301 left ends are unbuttoned on linkage step F301c, and the left-hand end of the unfastening fastener F401 is described equipped with one F403 of solution button block
It is corresponding with driving one DF201 of protrusion on the button D2 in the button mechanism D to solve one F403 of button block.In the present embodiment, when
During being packed into cabinet L, two F301b of locking boss of the fastener F301 is depressed breaker by cabinet L, fastener F301
Around right side, cylinder F301a overcomes two F5 of torsional spring to rotate counterclockwise, and breaker can smoothly be packed into cabinet.When breaker stabilization is mounted in
In cabinet L, cabinet no longer pushes down locking boss two F301b, fastener F301 of fastener F301 up time under the action of two F5 of torsional spring
Needle rotation resets, and locking two F301b of boss stretches out shell A from two AF103 of spacing slotted eye, and two F301b of locking boss locks open circuit
Device is not pulled out in cabinet；Can close a floodgate by lower button D2 breakers, pull out button D2, breaker can separating brake, removed from breaker
Other positions outside button D2 can not take out breaker from cabinet.After pulling button D2 to certain position, pull on
Button D2, one DF201 of driving protrusion of button D2 right upper portions act on one F403 of solution button block of unfastening fastener F401 left-hand ends,
Unfastening fastener F401 is rotated clockwise around two F402 of axis, and fastener F301's unbuttons the right sides of the linkage step F301c by unfastening fastener F401
Boss one F401a effects are unbuttoned in side, and fastener F301 overcomes 25 reaction force of torsional spring counterclockwise around right side cylinder F301a
Rotation, locking two F301b of boss moves down certain position, and is less than the surfaces case for circuit breaker A, and breaker is solved from cabinet
Lock, can easily extract breaker from cabinet.
As depicted in figures 7 and 8, in the present embodiment, one E302 of the axis and two F402 of axis are same axis, and the lock is pressed
Button E301 and unfastening fastener F401 is mounted on axis side by side, and one E4 of the torsional spring and two F5 of torsional spring are same torsional spring, and the one of the torsional spring
End E401 rides over the lock button E301 and is located on the lower surface on the right side of one E302 of axis, and other end F501 rides over the fastener
On one F301d of step surface of the lower parts F301.
As shown in attached drawing 9 and 10, the button mechanism D includes being provided in button D2 and indicator D1, the button D2
Cavity D 202, indicator D1 is in cavity D 202, and the indicator D1 can be swung in cavity D 202, on the button D2
It is provided with observation window D203, different zones can be shown in observation window D203 in indicator D1 swing process.
As shown figs. 11 and 12, the short current protective mechanism J includes armature J1, yoke J2, coil J3, iron core J4, axis
J5 and armature torsional spring J6, the iron core J4 are on the yoke J2, and the coil J3 is sleeved on iron core J4, the armature
J1 can be rotated on axis J5 around axis J5, and the rank is resisted equipped with armature torsional spring J6, the armature torsional spring J6 on the axis J5
Iron J1 can make its reset.
In the present embodiment, the yoke J2 includes a pair of magnetic yoke plate J201, the J201 ' being arranged face-to-face, the yoke plate
J201, J201 ' medial surface on stretch out fixed plate J201a, J201a ', the fixed plate J201a, J201a ', which are equipped with, to be fixed
Hole J201a01, J201a01 ', the mounting hole J201a01, J201a01 ' make yoke on the fixed column A701 on shell A
J2 is fixed；The both ends of the iron core J4 are attached separately to the yoke plate J201, in the mounting hole J201b, J201b ' on J201 ',
The both ends the iron core J4 are that the step surface of step J401, the step J401 resist yoke plate J201, J201 '；The armature J1
Medial surface stretch out mounting plate J101, J101 ', the mounting plate J101, J101 ' are equipped with shaft mounting hole J101a, J101a ',
The both ends of the axis J5 are attached separately in shaft mounting hole J101a, J101a ', and the armature torsional spring J6 is located at installation on axis J5
Between plate J101, J101 ', described one end armature torsional spring J6 rides on shell A, and the other end rides over the lower surfaces armature J1；The rank
Iron J1 is tablet, and the upper surface of the yoke plate J201, J201 ' are flat face corresponding with tablet, the front end of the armature J1
Equipped with dropout boss J102；The axis J5 is installed on shell A.When passing through smaller electric current in the coil J3 of magnetictrip
When, the suction between the armature J1 and yoke J2 of magnetictrip is less than the counter-force of armature torsional spring J6, and armature J1 is in armature torsional spring J6
Under the action of remains stationary state, armature J1 do not pat lock, and breaker is not threaded off；When breaker closing, when coil J3 is logical
When the electric current crossed is more than certain value, the suction between magnetictrip armature J1 and yoke J2 is more than the counter-force of armature torsional spring J6, will
Armature J1 overcomes armature torsional spring J6 counter-forces to be rotated to the directions yoke J2 around axis J5 under suction, and pats lock, makes open circuit
Device is threaded off.After breaker disconnects, under the action of armature torsional spring J6, recovery is not clapped conjunction state by armature J1.
As shown in attached drawing 13,14 and 15, the overload protecting mechanism H includes arc leading angle H1, wiring board H2, adjusting screw H3
It is fixed together with the wiring board H2 with bimetal leaf H4, the bimetal leaf H4, the arc leading angle H1 and the wiring board
H2 is electrically connected by contacting to compress or weld to be fitted together, and is fitted together and is electrically connected using welding in the present embodiment.
The adjusting screw H3 can adjust the position of the bimetal leaf H4 on the arc leading angle H1.
The wiring board H2 is equipped with band movable plate H201, and dress is fixed in one end of the bimetal leaf H4 with movable plate H201
Together, described to be located at below the supporting plate H101 on the arc leading angle H1 with movable plate H201, the supporting plate H101 is equipped with
In threaded hole H101a, the threaded hole H101a equipped with adjusting screw H3, the adjusting screw H3 with movable plate H201 to should be able to
Enough adjust the position of bimetal leaf H4；
The arc leading angle H1 includes run-on tab ontology H102, the run-on tab ontology H102 bendings connecting bracket plate H101,
Run-on tab ontology H102 and supporting plate H101 is equipped with the slot H101b of perforation, and the supporting plate H101 head end plate faces are equipped with
Threaded hole H101a, the run-on tab ontology H102 outboard ends are connect with connecting plate H103, the supporting plate H101 outboard ends
Draw striking holder H104 in slot H101b, the striking holder H104 be connected with run-on tab H105, the run-on tab H105 with
Supporting plate H101 is parallel, and the run-on tab ontology H102 is parallel with the striking holder H104；
The wiring board H2 includes plug wire holder H202, and the plug wire holder H202 is equipped with kidney slot H202a, the band
Movable plate H201 and plug wire holder H202 circular sliding slopes, the band movable plate H201 is located at below the plug wire holder H202 to be inserted with described
Line bracket H202 is parallel, and the band movable plate H201 is inserted into from the slot H101b below the supporting plate H101 head ends plate face
And it is parallel with the supporting plate H101, it is connected with power socket H203 on the right side of the plug wire holder H202,.Breaker overload work
When, bimetal leaf H4 has received heat-carrying influence and has occured bending and deformation, and breaker tripping mechanism is driven to thread off at the appointed time
Action；Circuit breaker tripping dynamic/static contact separately generates electric arc, and electric arc reaches arc leading angle H1 by moving contact, and electric arc is along arc leading angle
The run-on tab H105 of H1 enters arc-chutes, plays the role of arc leading and suppressing.
As shown in Fig. 16, leading-out terminal B is arranged in breaker left lower, is made of two Wiring ports, external wire
It is inserted directly into port, is compressed external wire and terminal plate B1 by shrapnel B2.
As shown in Fig. 17, end of incoming cables C includes 2 power socket H203, and the power socket H203 is pectination, by 2 rows
Opposite shape it is similar broach composition, the power socket H203 by it is conductive can and flexible material make and
At power socket H203 described in the present embodiment is made by corronil.
A kind of plug-in type miniature circuit breaker provided in this embodiment, wiring can be inserted directly into, take out stitches simple to operate；
Simultaneously locking mechanism is improved, make breaker that can not arbitrarily close a floodgate outside cabinet, in cabinet can free divide-shut brake, pass through
Parts in addition to button cannot extract breaker from cabinet, by pulling button can be easily by breaker from cabinet
Middle taking-up ensure that breaker installation and the safety used；Breaker is suitable for specific small space, disconnected by rearrangement
Road device internal structure solves the problems, such as that breaker local temperature rise is excessively high.
Structure, ratio, size etc. depicted in the present embodiment institute accompanying drawings, only to coordinate specification it is revealed in
Hold, so that those skilled in the art understands and reads, is not limited to the enforceable qualifications of the utility model, therefore not
Has technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are new not influencing this practicality
Under the effect of type can be generated and the purpose that can reach, it should all still fall and obtain and can contain in the revealed technology contents of the utility model
In the range of lid.Meanwhile it is cited such as "upper", "lower", "left", "right", " centre ", " clockwise ", " inverse time in this specification
The term of needle " etc. is merely convenient to being illustrated for narration, rather than to limit the enforceable range of the utility model, opposite to close
System is altered or modified, in the case where changing technology contents without essence, when being also considered as the enforceable scope of the utility model.
Claims (20)
1. a kind of plug-in type miniature circuit breaker, it includes shell (A), leading-out terminal (B), end of incoming cables (C), button mechanism (D), operation
Mechanism (G), overload protecting mechanism (H), arc-extinguishing mechanism (I), short current protective mechanism (J) and signal end (K), the button mechanism
(D) it being connect with operating mechanism (G), the button mechanism (D) is interior mounted in the button mounting groove (A01) of the shell (A) outboard end,
For the leading-out terminal (B) in the leading-out terminal mounting groove of the shell (A) outboard end (A02), leading-out terminal (B) is located at the button
The lower section of mechanism (D), the short current protective mechanism (J) are located at the right side of the leading-out terminal (B) below the operating mechanism (G)
Side, the short current protective mechanism (J) connect with leading-out terminal (B), and the end of incoming cables (C) is located at the overload protection (H) and arc extinguishing
The right-hand end of mechanism (I) is mounted in the inlet wire mounting groove (A03) of the inner end shell (A), the end of incoming cables (C) and the overload
Protection mechanism (H) is connected, it is characterised in that:The plug-in type miniature circuit breaker further includes locking device (E) and fixed unlock
Device (F), the button mechanism (D) are linked with locking device (E) and fixed tripper (F).
2. a kind of plug-in type miniature circuit breaker as described in claim 1, it is characterised in that：The locking device (E) includes lock
Button (E301) is detained, the lock button (E301) is mounted in the shell by axis one (E302)
(A) it can be rotated around axis one (E302) on inner wall, the left-hand end of the lock button (E301) is equipped with positive stop lug boss one
(E301a), the button (D2) in the button mechanism (D) is equipped with limited step corresponding with positive stop lug boss one (E301a) one
(DE201), the right side upper surface of the lock button (E301) is equipped with locking boss one (E301b), is set on the shell (A)
There are spacing slotted eye one (AE102) corresponding with locking boss one (E301b), torsional spring one (E4) described on shell (A)
One end (E401) of torsional spring one (E4) rides over the lock button (E301) and is located on the lower surface on the right side of axis one (E302).
3. a kind of plug-in type miniature circuit breaker as claimed in claim 2, it is characterised in that：Fixed tripper (F) packet
Fixed mechanism (F3) and unlocking mechanism (F4) are included, the fixed mechanism (F3) includes fastener (F301), the fastener (F301)
Right end is equipped with cylinder (F301a), and the cylinder (F301a) is mounted in the arc-shaped slot (AF102) on the shell (A) inner wall,
For torsional spring two (F5) on shell (A), one end (F501) of the torsional spring two (F5) rides over the lower surface of the fastener (F301),
Fastener (F301) upper side is equipped with locking boss two (F301b), and the shell (A) is equipped with and the locking boss two
(F301b) corresponding spacing slotted eye two (AF103).
4. a kind of plug-in type miniature circuit breaker as claimed in claim 3, it is characterised in that：The unlocking mechanism (F4) includes solution
Fastener (F401), the unfastening fastener (F401) can be turned by axis two (F402) on shell (A) inner wall around axis two (F402)
Dynamic, the right-hand end of the unfastening fastener (F401), which is equipped with, unbuttons boss one (F401a), and the boss one (F401a) of unbuttoning snaps over
Fastener (F301) left end is unbuttoned on linkage step (F301c), and the left-hand end of the unfastening fastener (F401) is equipped with solution button block
One (F403), the solution button block one (F403) and the driving protrusion one (DF201) on the button (D2) in the button mechanism (D)
It is corresponding.
5. a kind of plug-in type miniature circuit breaker as described in claim 2 or 4, it is characterised in that：The axis one (E302) and axis
Two (F402) are same axis, and the lock button (E301) and unfastening fastener (F401) are mounted on axis side by side, the torsional spring one
(E4) and torsional spring two (F5) is same torsional spring, and one end (E401) of the torsional spring rides over the lock button (E301) and is located at axis one
(E302) on the lower surface on the right side of, the other end (F501) rides on the step surface one (F301d) of the lower part the fastener (F301).
6. a kind of plug-in type miniature circuit breaker as described in claim 1, it is characterised in that：Short current protective mechanism (J) packet
Armature (J1) is included, yoke (J2), coil (J3), iron core (J4), axis (J5) and armature torsional spring (J6), the iron core (J4) is mounted in institute
It states in yoke (J2), the coil (J3) is sleeved on iron core (J4), and the armature (J1) can be around axis on axis (J5)
(J5) it rotates, armature torsional spring (J6) is housed, the armature torsional spring (J6), which resists the armature (J1), to be made on the axis (J5)
It is resetted, and the axis (J5) is installed on shell (A).
7. a kind of plug-in type miniature circuit breaker as described in claim 1, it is characterised in that：Overload protecting mechanism (H) packet
Include arc leading angle (H1), wiring board (H2), adjusting screw (H3) and bimetal leaf (H4), the bimetal leaf (H4) and the plug wire
Plate (H2) is fixed together, and the adjusting screw (H3) can adjust the bimetal leaf (H3) on the arc leading angle (H1)
Position.
8. a kind of plug-in type miniature circuit breaker as claimed in claim 2, it is characterised in that：The lock button (E301) is located at
Lower surface on the right side of axis one (E302) is equipped with slot (E301c), and lock button (E301) lateral surface is equipped with and slot
(E301c) corresponding overhead kick boss (E301d), one end (E401) of the torsional spring one (E4), which rides in slot (E301c), resists institute
State overhead kick boss (E301d).
9. a kind of plug-in type miniature circuit breaker as claimed in claim 3, it is characterised in that：The locking boss two (F301b)
Upper right side is equipped with chamfering, and one end (F501) of the torsional spring two (F5) rides over the step surface one of the lower part the fastener (F301)
(F301d) on.
10. a kind of plug-in type miniature circuit breaker as claimed in claim 6, it is characterised in that：The yoke (J2) includes facing
A pair of magnetic yoke plate (J201, J201 ') of face setting stretches out fixed plate on the medial surface of the yoke plate (J201, J201 ')
(J201a, J201a '), the fixed plate (J201a, J201a ') is equipped with mounting hole (J201a01, J201a01 '), described solid
Determine hole (J201a01, J201a01 ') makes yoke (J2) fixed in the fixed column (A701) on shell (A).
11. a kind of plug-in type miniature circuit breaker as claimed in claim 10, it is characterised in that：The both ends of the iron core (J4) point
In mounting hole (J201b, J201b ') that Zhuan be on the yoke plate (J201, J201 '), iron core (J4) both ends are step
(J401), the step surface of the step (J401) resists yoke plate (J201, J201 ').
12. a kind of plug-in type miniature circuit breaker as claimed in claim 10, it is characterised in that：The medial surface of the armature (J1)
Stretch out mounting plate (J101, J101 '), the mounting plate (J101, J101 ') is equipped with shaft mounting hole (J101a, J101a '), institute
The both ends for stating axis (J5) are attached separately in shaft mounting hole (J101a, J101a '), and the armature torsional spring (J6) is upper mounted in axis (J5)
Between mounting plate (J101, J101 '), described armature torsional spring (J6) one end rides on shell (A), and the other end rides over armature (J1)
Lower surface.
13. a kind of plug-in type miniature circuit breaker as claimed in claim 10, it is characterised in that：The armature (J1) is tablet,
The upper surface of the yoke plate (J201, J201 ') is flat face corresponding with tablet, and the front end of the armature (J1), which is equipped with, threads off
Boss (J102).
14. a kind of plug-in type miniature circuit breaker as claimed in claim 7, it is characterised in that：The wiring board (H2) is equipped with
Band movable plate (H201), one end of the bimetal leaf (H4) and is installed on together with movable plate (H201), the band movable plate
(H201) it is located at below the supporting plate (H101) on the arc leading angle (H1), the supporting plate (H101) is equipped with threaded hole
(H101a), adjusting screw (H3) is housed in the threaded hole (H101a), the adjusting screw (H3) with it is right with movable plate (H201)
The position of bimetal leaf (H4) should be able to be adjusted.
15. a kind of plug-in type miniature circuit breaker as claimed in claim 7, it is characterised in that：The arc leading angle (H1) with it is described
Wiring board (H2) is electrically connected by contacting and compressing or weld to be fitted together.
16. a kind of plug-in type miniature circuit breaker as claimed in claim 7, it is characterised in that：The arc leading angle (H1) includes drawing
Arc plate ontology (H102), run-on tab ontology (H102) the bending connecting bracket plate (H101), run-on tab ontology (H102) and branch
Frame plate (H101) is equipped with the slot (H101b) of perforation, and supporting plate (H101) the head end plate face is equipped with threaded hole
(H101a), run-on tab ontology (H102) outboard end is connect with connecting plate (H103), supporting plate (H101) outboard end
Striking holder (H104) is drawn in slot (H101b), the striking holder (H104) is connected with run-on tab (H105), the striking
Plate (H105) is parallel with supporting plate (H101), and the run-on tab ontology (H102) is parallel with striking holder (H104).
17. a kind of plug-in type miniature circuit breaker as claimed in claim 14, it is characterised in that：The wiring board (H2) includes inserting
Line bracket (H202), the plug wire holder (H202) are equipped with kidney slot (H202a), the band movable plate (H201) and plug wire holder
(H202) circular sliding slopes, the band movable plate (H201) are located at below the plug wire holder (H202) and the plug wire holder (H202)
Parallel, the band movable plate (H201) is inserted into below supporting plate (H101) head end plate face from slot (H101b) and and supporting plate
(H101) parallel, it is connected with power socket (H203) on the right side of the plug wire holder (H202).
18. a kind of plug-in type miniature circuit breaker as described in claim 1, it is characterised in that：The end of incoming cables (C) includes at least
2 power sockets (H203), the power socket (H203) are pectination, are made of the similar broach of the opposite shape of 2 rows.
19. a kind of plug-in type miniature circuit breaker as claimed in claim 18, it is characterised in that：The power socket (H203) is by having
It has conductivity and flexible material is made.
20. a kind of plug-in type miniature circuit breaker as described in claim 1, it is characterised in that：The leading-out terminal (B) includes wiring
Plate (B1) and shrapnel (B2), shrapnel (B2) compress external wire and terminal plate (B1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721400674.6U CN207624637U (en) | 2017-10-26 | 2017-10-26 | A kind of plug-in type miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721400674.6U CN207624637U (en) | 2017-10-26 | 2017-10-26 | A kind of plug-in type miniature circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207624637U true CN207624637U (en) | 2018-07-17 |
Family
ID=62826789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721400674.6U Withdrawn - After Issue CN207624637U (en) | 2017-10-26 | 2017-10-26 | A kind of plug-in type miniature circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207624637U (en) |
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| CN107993900A (en) * | 2017-10-26 | 2018-05-04 | 上海良信电器股份有限公司 | A kind of plug-in type miniature circuit breaker |
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| CN110189964A (en) * | 2019-07-16 | 2019-08-30 | 浙江中亿豪科技有限公司 | A kind of breaker with quick push-in connection and anti-electrification hot plugging mechanism |
| CN111183559A (en) * | 2019-08-27 | 2020-05-19 | 华为技术有限公司 | Power distribution equipment and power distribution system |
| AU2020384683B2 (en) * | 2019-11-15 | 2023-11-30 | Zhejiang Chint Electrics Co., Ltd. | Plug-in circuit breaker |
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| WO2021093877A1 (en) | 2019-11-15 | 2021-05-20 | 浙江正泰电器股份有限公司 | Insertion type circuit breaker |
| WO2021093878A1 (en) * | 2019-11-15 | 2021-05-20 | 浙江正泰电器股份有限公司 | Plug-in circuit breaker |
| WO2021093874A1 (en) * | 2019-11-15 | 2021-05-20 | 浙江正泰电器股份有限公司 | Plug-in circuit breaker |
| US12014891B2 (en) * | 2019-11-15 | 2024-06-18 | Zhejiang Chint Electrics Co., Ltd. | Plug-in circuit breaker |
| CN115188636A (en) * | 2021-04-06 | 2022-10-14 | 上海良信电器股份有限公司 | Circuit breaker locking mechanism and circuit breaker |
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