CN206210729U

CN206210729U - A kind of Minitype electrical leakage breaker and its tripping mechanism

Info

Publication number: CN206210729U
Application number: CN201621330665.XU
Authority: CN
Inventors: 赖剑武; 蓝衍晓
Original assignee: Zhejiang Feng Yuan Electrical Accessorie Co Ltd
Current assignee: Zhejiang Feng Yuan Electrical Accessorie Co Ltd
Priority date: 2016-12-06
Filing date: 2016-12-06
Publication date: 2017-05-31
Anticipated expiration: 2026-12-06

Abstract

The utility model discloses a kind of Minitype electrical leakage breaker and its tripping mechanism, its drip irrigation device is a kind of tripping mechanism of Minitype electrical leakage breaker, including drain pan and tripping coil component, sliding is connected with reset key on drain pan, reset key is provided with back-moving spring, back-moving spring orders about the end of reset key to being moved outside drain pan, the lock for the linkage of tripping coil component is provided between tripping coil component and reset key, the reset key is provided with card base, lock includes the rotor plate for dynamic iron core linkage in tripping coil component, transmission arm for passing drain pan, rotor plate is provided with for card base clamping and surrounds the buckling groove of card base, the linkage groove for tripping coil linkage is additionally provided with rotor plate；Rotor plate is rotated makes card base deviate from from buckling groove.Trip action accurate stable；The structure of lock is assembled more facilitate compared to existing technology, and lock can be used and is integrally formed；The guiding that reset key passes through multiple parts realizes more smooth sliding movement.

Description

A kind of Minitype electrical leakage breaker and its tripping mechanism

Technical field

The utility model is related to RCCB field, more particularly to a kind of Minitype electrical leakage breaker and its tripping mechanism.

Background technology

RCCB be when leakage current exceedes predetermined value in circuit can auto-action switch.

At present, the notification number of in the market discloses a kind of aftercurrent action protecting for the Chinese patent of CN203707056U Tripping mechanism on device, includes base, tripping coil, return unit and lock, wherein latch being rotatably arranged on bottom by bearing pin On seat, the return unit is movably arranged on base, it is characterised in that：Back-moving spring is also included, one end of the back-moving spring Act on base, the other end is acted on return unit, force rod is fixedly installed on the lock, set on the return unit There is the boss that force rod can be driven to rotate, the cavity for being available for force rod to swing is provided with above the boss.

In such scheme, lock forms clamping by snap fit with the chuck on return unit, and return unit is easily produced with lock Raw opposing oscillatory, when the contact surface of snap fit and chuck staggers, return unit is subject to the active force of back-moving spring and unexpected reset, shape Into unexpected situation about threading off, trip action is inaccurate.

Utility model content

First purpose of the present utility model is to provide a kind of tripping mechanism of Minitype electrical leakage breaker, and its advantage is that have to take off Pull the characteristics of making accurate.

Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of small-sized leakage, breaking The tripping mechanism of device, including drain pan and tripping coil component, sliding is connected with reset key on drain pan, and reset key is provided with reset bullet Spring, back-moving spring orders about the end of reset key to being moved outside drain pan, is provided between tripping coil component and reset key and supplies trip line The lock of coil assembly linkage, the reset key is provided with card base, and lock is included for turning that dynamic iron core in tripping coil component links Dynamic plate, the transmission arm for passing drain pan, rotor plate are provided with for card base clamping and surround the buckling groove of card base, on rotor plate also It is provided with the linkage groove for tripping coil linkage；Rotor plate is rotated makes card base deviate from from buckling groove.

By above-mentioned technical proposal, Minitype electrical leakage breaker has two states, and under non-trip status, card base is snapped in and turned In the buckling groove of dynamic plate, card base is integrally wrapped up by buckling groove, therefore under the state, card base swings not relative to rotor plate Its clamping relation is influenceed, the clamping relation is more solid and reliable, only in current overload, tripping coil component is linked by the groove that links After rotor plate is rotated, card base just departs from from linkage groove；Therefore, only in the case of real current overload, reset key is just realized Thread off, trip action is more accurately and reliably.

The utility model is further arranged to：The lock is provided with mounting hole, and drain pan is provided with to be rotated for mounting hole and connects The protruding shaft for connecing.

By above-mentioned technical proposal, the protruding shaft insertion mounting hole that base is protruded above realizes the rotation connection of lock, lock The upper shaft-like structure without additionally inserting rotation, therefore the parts wanted needed for assembling process are reduced, improve assembling Efficiency, assembling more facilitates.

The utility model is further arranged to：Dynamic iron core is provided with gangbar and the spacing head through linkage groove, linkage Groove is less than the second jack of spacing head including the first jack with diameter greater than spacing head, diameter.

By above-mentioned technical proposal, the spacing head in dynamic iron core inserts linkage groove by the first jack, slightly upward mobile After the spacing head of dynamic iron core, spacing head with the second jack clamping, can form the pre-installation of dynamic iron core and rotor plate, further may be used Both are inserted in drain pan simultaneously, the effect of synchronous installation is reached, it is more convenient to assemble.

The utility model is further arranged to：The both sides of the reset key are provided with slides spacing guide pad for reset key, The drain pan is provided with the limiting card edge contradicted for reset key.

By above-mentioned technical proposal, guide pad is available for reset key slide-and-guide, when the inwall of guide pad and drain pan is contradicted, Drain pan limits reset key by guide pad, it is to avoid reset key is ejected from drain pan, and the limiting card edge of drain pan can limit reset key Sliding stroke so that the sliding stroke of reset key is within the specific limits.

The utility model is further arranged to：The reset key is provided with the embedding slot for back-moving spring insertion, on drain pan It is provided with block；One end of back-moving spring is contradicted with block, and the other end is contradicted with the inwall of embedding slot.

By above-mentioned technical proposal, embedding slot supplies the built-in installation of back-moving spring, when reset key and drain pan are contradicted, reset bullet The surrounding of spring is wrapped, and preferably, back-moving spring is difficult abjection to the disguise of back-moving spring.

The utility model is further arranged to：The guide rod for back-moving spring socket is provided with the embedding slot.

By above-mentioned technical proposal, guide rod is available for back-moving spring to pre-install, and thus reset key is together installed with back-moving spring It is more convenient.

The utility model is further arranged to：The side that the reset key is fitted with drain pan is arcwall face, and drain pan is provided with For the gib block of the arcwall face laminating of reset key.

By above-mentioned technical proposal, gib block is available for reset key to slide guiding, and gib block reduces the amplitude of oscillation of reset key, leads More stablize to the motion of bar, when tripping coil component overloads, the action of reset key is more smooth to be not likely to produce Caton phenomenon.

The utility model is further arranged to：The lock is provided with outwardly rotary shaft.

By above-mentioned technical proposal, lock can realize that the rotation of its both sides is connected by rotary shaft, and the rotation of lock is more Stabilization, without parts such as extra lock pins.

The utility model is further arranged to：Drain pan is provided with the L-type supporting plate for tripping coil component horizontal.

By above-mentioned technical proposal, L-type supporting plate carries out the effect of support to tripping coil component, keeps tripping coil component Mounting stability, and tripping coil in this programme more supernumerary segment compared to existing technology by way of two L-type supporting plate horizontal Save the space of bottom shell.

Second purpose of the present utility model is to provide a kind of Minitype electrical leakage breaker, and its advantage is accurate trip action.

Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of small-sized leakage, breaking Device, including above-mentioned Minitype electrical leakage breaker tripping mechanism.

In sum, the utility model has the advantages that：1st, trip action accurate stable；2nd, the structure phase of lock More facilitate than prior art assembling, and lock can be used and is integrally formed；3rd, reset key passes through the guiding realization of multiple parts More smooth sliding movement.

Brief description of the drawings

Fig. 1 is the structural representation of the tripping mechanism in trip status of embodiment one；

Fig. 2 is the structural representation of the tripping coil component of embodiment one；

Fig. 3 is the structural representation of the tripping mechanism reset of embodiment one；

Fig. 4 is the structural representation of the drain pan of embodiment one；

Fig. 5 is tripping coil component, lock, the attachment structure schematic diagram of reset key of embodiment one；

Fig. 6 is the structural representation that embodiment one highlights lock mounting hole；

Fig. 7 is the structural representation of the reset key of embodiment one.

Reference：1st, drain pan；11st, protruding shaft；12nd, limiting card edge；13rd, gib block；14th, L-type supporting plate；15th, block；2nd, take off Fastening wire coil assembly；21st, dynamic iron core；211st, spacing head；212nd, gangbar；22nd, static iron core；23rd, magnet coil；24th, dropout spring； 25th, dropout support；3rd, reset key；31st, back-moving spring；32nd, card base；33rd, guide pad；34th, embedding slot；341st, guide rod；4th, latch； 41st, rotor plate；411st, buckling groove；412nd, link groove；4121st, the first jack；4122nd, the second jack；413rd, mounting hole；42nd, join Swing arm；43rd, rotary shaft.

Specific embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

Embodiment one：Refer to Fig. 1 and Fig. 2, a kind of tripping mechanism of Minitype electrical leakage breaker, including drain pan 1, bottom Shell 1 is provided with L-type supporting plate 14, and drain pan 1 is provided with tripping coil component 2, and tripping coil component 2 is threaded off by the support of L-type supporting plate 14 Coil block 2 includes dropout support 25, static iron core 22, dynamic iron core 21 and magnet coil 23, and dynamic iron core 21 includes the He of gangbar 212 Spacing first 211, dropout spring 24 is provided between dynamic iron core 21 and static iron core 22, when the current in wire overload that magnet coil 23 is connect When, dynamic iron core 21 overcomes the active force of dropout spring 24 to be moved to static iron core 22, and the current in wire connect when magnet coil 23 is not During overload, dynamic iron core 21 keeps the state shown in Fig. 2.

Fig. 1 and Fig. 7 is referred to, drain pan 1 is provided with reset key 3, and reset key 3 is connected with the sliding of drain pan 1, the two of reset key 3 Side is provided with guide pad 33, and drain pan 1 is provided with limiting card along 12, and limiting card is along the 12 sliding strokes for being used to limit reset key 3.Reset Key 3 is provided with to be provided with back-moving spring 31, embedding slot 34 in embedding slot 34, embedding slot 34 and is additionally provided with guide rod 341, back-moving spring 31 One end be inserted in guide rod 341, contradicted in the insertion embedding slot 34 of back-moving spring 31 and with the inwall of embedding slot 34；With reference to Fig. 4, drain pan 1 is provided with block 15, and back-moving spring 31 is contradicted with the upper surface of block 15.When reset key 3 in drain pan 1 to pressing, reset key 3 The active force of back-moving spring 31 is overcome to move；Gib block 13 is additionally provided with drain pan 1, gib block 13 is supported with the outer surface of reset key 3 Touch, reset key 3 is positioned when sliding by gib block 13.

Fig. 3, Fig. 5 and Fig. 6 are referred to, lock 4 is provided between tripping coil component 2 and reset key 3, lock 4 includes rotating Plate 41 and transmission arm 42, rotor plate 41 are provided with buckling groove 411 and linkage groove 412, and linkage groove 412 includes the He of the first jack 4121 Second jack 4122, and spacing first 211 with diameter greater than the second jack 4122, less than the first jack 4121；Spacing first 211 from Passed through in one jack 4121, realize installing, spacing first 211 are rotated by the linkage of the second jack 4122 lock 4.Set in reset key 3 There is card base 32, after the insertion buckling groove 411 of card base 32, buckling groove 411 surrounds card base 32, and card base 32 forms clamping with buckling groove 411 Matching relationship, and when 4 rotation is latched, card base 32 is gradually disengaged from buckling groove 411, when card base 32 takes off from buckling groove 411 From rear, reset key 3 can rise by the active force of back-moving spring 31.

Fig. 4, Fig. 5 and Fig. 6 are referred to, integrally formed with protruding shaft 11 on drain pan 1, lock 4 is provided with mounting hole 413, and this is convex Axle 11 cooperatively forms the relation for rotating and being connected with mounting hole 413, while being additionally provided with outwardly rotary shaft 43 on lock 4, locks Button 4 with protruding shaft 11 and rotary shaft 43 for axial line is rotated in drain pan 1, and can pass through its spacing head during the activity of dynamic iron core 21 211 pull lock 4 to rotate, and after lock 4 is rotated, the card base 32 in reset key 3 can be deviate from from buckling groove 411, further multiple Position key 3 passes through back-moving spring 31（Such as Fig. 7）Active force move upwards, until reset key 3 is moved to the position shown in Fig. 1, should State is trip status.

Specific action process：Fig. 1 is trip status, and Fig. 3 is non-trip status；Illustrated as original state with Fig. 3 and threaded off When journey, current overload on tripping coil component 2, dynamic iron core 21 is moved to static iron core 22, while 4 turns of the linkage of dynamic iron core 21 lock Dynamic, the card base 32 after the rotation of lock 4 in reset key 3 is deviate from from buckling groove 411, and reset key 3 is subject to acting on for back-moving spring 31 Power is moved up, and then latches the concomitant rotation of transmission arm 42 on 4, the trip status shown in Fig. 1.

Embodiment two：A kind of Minitype electrical leakage breaker, including embodiment one.

This specific embodiment is only that, to explanation of the present utility model, it is not to limitation of the present utility model, ability Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but As long as all being protected by Patent Law in right of the present utility model.

Claims

1. a kind of tripping mechanism of Minitype electrical leakage breaker, including drain pan (1) and tripping coil component (2), slide on drain pan (1) Be connected with reset key (3), reset key (3) is provided with back-moving spring (31), back-moving spring (31) order about the end of reset key (3) to Drain pan (1) is moved outward, and the lock for tripping coil component (2) linkage is provided between tripping coil component (2) and reset key (3) (4), it is characterized in that：The reset key (3) is provided with card base (32), and lock (4) is including for dynamic iron core in tripping coil component (2) (21) rotor plate (41), the transmission arm (42) for passing drain pan (1) of linkage, rotor plate (41) is provided with for card base (32) card The buckling groove (411) of card base (32) is connect and surrounded, the linkage groove (412) for tripping coil linkage is additionally provided with rotor plate (41)； Rotor plate (41) is rotated makes card base (32) abjection from buckling groove (411).

2. the tripping mechanism of a kind of Minitype electrical leakage breaker according to claim 1, it is characterized in that：On the lock (4) Mounting hole (413) is provided with, drain pan (1) is provided with the protruding shaft (11) that connection is rotated for mounting hole (413).

3. the tripping mechanism of a kind of Minitype electrical leakage breaker according to claim 1, it is characterized in that：Dynamic iron core sets on (21) There are gangbar (212) and the spacing head (211) through linkage groove (412), linkage groove (412) is including with diameter greater than spacing head (211) the first jack (4121), diameter are less than second jack (4122) of spacing head (211).

4. the tripping mechanism of a kind of Minitype electrical leakage breaker according to claim 1, it is characterized in that：The reset key (3) Both sides be provided with and slide spacing guide pad (33) for reset key (3), the drain pan (1) is provided with what is contradicted for reset key (3) Limiting card is along (12).

5. the tripping mechanism of a kind of Minitype electrical leakage breaker according to claim 1 or 4, it is characterized in that：The reset key (3) it is provided with for the embedded embedding slot (34) of back-moving spring (31), drain pan (1) is provided with block（15）；Back-moving spring (31) One end is contradicted with block, and the other end is contradicted with the inwall of embedding slot (34).

6. the tripping mechanism of a kind of Minitype electrical leakage breaker according to claim 5, it is characterized in that：The embedding slot (34) Inside it is provided with the guide rod (341) for back-moving spring (31) socket.

7. the tripping mechanism of a kind of Minitype electrical leakage breaker according to claim 4, it is characterized in that：The reset key (3) The side fitted with drain pan (1) is arcwall face, and drain pan (1) is provided with the gib block (13) of the arcwall face laminating for reset key (3).

8. the tripping mechanism of a kind of Minitype electrical leakage breaker according to claim 1, it is characterized in that：On the lock (4) It is provided with outwardly rotary shaft (43).

9. the tripping mechanism of a kind of Minitype electrical leakage breaker according to claim 1, it is characterized in that：Drain pan (1) is provided with For the L-type supporting plate (14) of tripping coil component (2) horizontal.

10. a kind of Minitype electrical leakage breaker, it is characterized in that：Including any described Minitype electrical leakage breakers of claim 1-9 Tripping mechanism.