CN207097761U - A kind of operating mechanism of break protective switch - Google Patents

A kind of operating mechanism of break protective switch Download PDF

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Publication number
CN207097761U
CN207097761U CN201721057489.1U CN201721057489U CN207097761U CN 207097761 U CN207097761 U CN 207097761U CN 201721057489 U CN201721057489 U CN 201721057489U CN 207097761 U CN207097761 U CN 207097761U
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CN
China
Prior art keywords
operating mechanism
support arm
lock wheel
wheel
support shaft
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Active
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CN201721057489.1U
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Chinese (zh)
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李文杰
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Individual
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Individual
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/04—Means for indicating condition of the switching device
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H01H71/52—Manual reset mechanisms which may be also used for manual release actuated by lever
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H01H71/52—Manual reset mechanisms which may be also used for manual release actuated by lever
    • H01H71/527—Manual reset mechanisms which may be also used for manual release actuated by lever making use of a walking beam with one extremity latchable, the other extremity actuating or supporting the movable contact and an intermediate part co-operating with the actuator
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
    • H01H73/02—Details
    • H01H73/18—Means for extinguishing or suppressing arc
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts

Landscapes

  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Breakers (AREA)

Abstract

The utility model discloses a kind of operating mechanism of break protective switch, the operating mechanism is accommodated in housing, and the operating mechanism includes concave wheel, cursor, lock wheel and support shaft；The back side of described operating mechanism concave wheel be the outer rim of the support shaft be provided with can two end movements accumulation of energy bar, described accumulation of energy bar one end is provided with spacing breach, the lower end of the handle of breaker have raised bar be limited in described in accumulation of energy bar spacing breach in；Extend elastic armful of shape arm positioned at the accumulation of energy bar portion position of the support shaft spud pile position and embrace described spud pile.The utility model accumulation of energy bar causes breaker to produce an elastic potential energy in disconnecting circuit using the design of elastic arm, so as to realize moment disconnecting circuit, plays the function of protection target electrical appliance or circuit；Failure power-off instruction is designed as special dispaly state simultaneously so that failure power-off can be observed clearly, it is ensured that will not produce second short circuit, further electrical appliance and circuit are played a protective role.

Description

A kind of operating mechanism of break protective switch
Technical field
The utility model belongs to breaker technical field, more particularly to a kind of operating mechanism of break protective switch.
Background technology
The breaker is mainly used in the 50/60HZ of modern building, rated voltage 240V/415V and following electric wire Overloaded in road and equipment, short circuit, earth leakage protective be used, also the infrequently operation and isolation for circuit, realize these functions Premise be turned off or closed path, while there is disconnection to indicate for affiliated failure after action, show in circuit really Electric fault and non-artificial folding electric current.
This cut-out or the action of closed path are by the physical execution of mechanical manipulation mechanism, when being produced in circuit It is abnormal as breaker marked the functional fault stated when, corresponding functional areas such as electromagnetic trip system, thermometal component, leak electricity The operating mechanism that protection location module, overvoltage/undervoltage work(etc. are cooperateed with or individually switched to power in the breaker protection, makes its rapid Thread off so as to reach protection electric wiring, prevent the accident such as fire and person electric shock.All breakers are provided to be similar to The purpose of above-mentioned function and appear on the market, but unlike various breakers performance it is different, the mechanism thing of folding electric current Reason characteristic is different, particularly the open circuit when disconnecting plant area or the Short-Circuit High Current from the nearlyer workspace of transformer on the market Device is often unable to do what one wishes, is either easily damaged or does not bear simply, main cause be that in the circuit have it is special short Road transient high-current even up to also can more than 6 kilo-amperes times close to 10 kilo-ampere times when, breaker is same during disjunction When damage do not have protective effect.The Small Civil breaker of main flow be also served only for 63A place below 4.5K electric currents also or 32A 6K place because during affiliated circuit breaker operation mechanism disjunction action can not after sufficiently fast, short circuit current zero passage moment arrive Up to 6K or 10K, energy crosses conference and burns out breaker.
Existing miniature circuit breaker can not high current described in effectively quick disjunction situation it is very universal, in addition can not be real The instruction state that breaker is played after protection when failure occurs marks, and it is normal disconnection electricity to cause testing staff not differentiate Road or error protection serve, as normally open circuit breaker can close a floodgate closed circuit again, but if being failure Breaker protection disconnecting circuit occurs for the short circuit current that particularly especially severe occurs, it is assumed that in the case that breaker has damaged Restarting breaker serious electrical hazard can be caused to occur, such as fire, burn out various equipment, burn related personnel it is pernicious Event, which is not waken up, sees.
For the above situation therefore there is an urgent need to develop it is a kind of can quickly breaking current and fault trip be convenient recognizes Breaker, the present invention exactly operate and given birth in this context.
Utility model content
The purpose of the utility model be for existing miniature circuit breaker can not high current described in effectively quick disjunction, it is and disconnected Road device can not be shown in fault trip, be beyond recognition the breaker and thought barrier gate or fault trip, secondary combined floodgate causes Serious electrical hazard occurs, and the utility model provides a kind of breaker, the breaker can quick breaking current, in disjunction electricity Correctly prompted behind road, electrical equipment damage and fire caused by so as to avoid second short circuit.
The utility model is achieved by the following technical solution：
A kind of operating mechanism of break protective switch, the operating mechanism are accommodated in housing, and the operating mechanism includes recessed Wheel, cursor, lock wheel and support shaft；The back side of described operating mechanism concave wheel be the support shaft outer rim be provided with can both ends The accumulation of energy bar of displacement, described accumulation of energy bar one end are provided with spacing breach, and the lower end of the handle of breaker has raised bar to be limited in institute In the spacing breach for the accumulation of energy bar stated；Extend elastic armful positioned at the accumulation of energy bar portion position of the support shaft spud pile position Shape arm embraces described spud pile.
The recessed grain of described concave wheel is built-in with torsion spring, and torsion spring one end is locked to other one in the recessed poor inner wall hole End is placed on cursor, the boss of the cursor put in in described concave wheel with described concave wheel by described torsion spring Pin the support arm that is combined into and itself can mutually rotate；Pass through described support shaft among described support arm, and along support shaft Make arcuate movement.
Movable sleeve is connected to lock wheel on described support arm, and the eccentric orfice of the lock wheel is coated at the outer of the support arm Along raised top-end, the slewing area of described lock wheel is determined that described lock wheel is by stop bit spring by described eccentric orfice aperture One end block, the other end of stop bit spring is socketed on a spud pile of housing so that the lock wheel is limited in described On support arm, described lock wheel, support arm, concave wheel can be relatively rotated and turned simultaneously along described support shaft is relative each other It is dynamic.
There is a boss outer edge of described lock wheel side close to the position of housing, and described boss side surfaces are oppositely arranged Compression spring, described compression spring one end are buckled on breaker lid, and other end is described recessed to described boss side surfaces Wheel combines to form support arm with cursor, and support arm top hollow out goes out the deep-slotted chip breaker of open at one end, and support arm lower end, which is withheld, to be connected to Metal moving contact, the top of the lock wheel are bent into pointed projection and put in the deep-slotted chip breaker on the support arm top, common shape Into space in place U-shaped push rod, when the push rod promotes, support arm is moved until dynamic touch together with lock wheel is overall around support shaft Head is pushed down untill static contact stroke terminates, and when failure electric signal, which evokes feature guarantee, to open, external force pushes lock wheel, support open The U-shaped push rod of locking is unable to, operating mechanism cut-offs line current, but because the boss side surfaces on lock wheel cut-off electricity in operating mechanism Also move to after stream and stopped by the compression spring pressure simultaneously, the pointed projection of the lock wheel closes the deep-slotted chip breaker, the U Type push rod is fixed, while pushes the centre position that handle is in housing top surface, shows circuit breaker trip electric current with this Action comes from line fault and non-artificial disconnecting circuit.
Described lock wheel lower end is stretched out goes out half arc trench breach, the trench shape armed lever, armed lever top hollow out Breach includes the arcuation wall of the support arm protrusion, and described lock wheel does folding and unfolding campaign along described arcuation wall.
Described is placed with shape armed lever side on dropout pull bar, and described dropout pull bar one end is limited in the convex boundary of base On, back and forth movement is done along described convex boundary, the described dropout pull bar other end is limited in the groove on base border；Described is de- Button pull bar contains thermal release device between both ends.
Described support arm upper end forms one and can held together with being embraced jointly by described concave wheel and described cursor The track of U-shaped push rod termination and the scaling that can have ready conditions is filled, the U-shaped push rod other end head is buckled on handle.
The beneficial effects of the utility model：The utility model accumulation of energy bar causes breaker disconnected using the design of elastic arm An elastic potential energy is produced during open circuit, so as to realize moment disconnecting circuit, plays the function of protection target electrical appliance or circuit； Failure power-off instruction is designed as special dispaly state simultaneously so that failure power-off can be observed clearly, it is ensured that will not Second short circuit is produced, further electrical appliance and circuit are played a protective role.
Brief description of the drawings
Fig. 1 is the schematic diagram of internal structure of the present invention；
Fig. 2 is the structural representation of shell；
Fig. 3 is the structural representation of accumulation of energy bar of the present invention；
Fig. 4 is the structural representation of handle；
Fig. 5 is the structural representation of concave wheel；
Fig. 6 is the structural representation of cursor；
Fig. 7 is the structural representation of lock wheel.
Embodiment
With reference to embodiment, the utility model is described in further detail.
Embodiment
A kind of operating mechanism of break protective switch as shown in Fig. 1-Fig. 7, the operating mechanism are accommodated in housing 1, contained There are concave wheel 2, cursor 3, lock wheel 4 and support shaft 5；The back side of described operating mechanism concave wheel is that the outer rim of the support shaft is set Have can two end movements accumulation of energy bar 6, described accumulation of energy bar one end is provided with spacing breach 61, and the lower end of the handle 7 of breaker has convex Bar 71 is played to be limited in the spacing breach of described accumulation of energy bar；Prolong positioned at the accumulation of energy bar portion position of the position of support shaft spud pile 8 Stretch out elastic armful of shape arm 62 and embrace described spud pile 8；The handle 7 promotes support arm 10, while lower end projection Accumulation of energy bar is promoted to be moved toward spud pile direction, the elasticity embraces shape arm and hugs spud pile to the critical point for embracing power, the thrust of handle Reach the dynamic shape arm of embracing of pushing that top persistently increases and disengage a spud pile, being loaded into the power of accumulation of energy bar, to be momentarily loaded to handle U-shaped It is transferred on push rod 16 on support arm 10 so that support arm accelerates, so that moving contact 11 and static contact on support arm 12 press together immediately.So that contact electrical heat energy greatly reduces, contact is protected, also improves disjunction.Handle with The handle spring 22 for resetting handle is provided between housing 1.
The recessed grain of described concave wheel 2 is built-in with torsion spring (not shown), and torsion spring one end is locked to described recessed poor Other end is placed on cursor 3 in inner wall hole, the boss of the cursor put in in described concave wheel with it is described recessed Wheel is pinned by described torsion spring and is combined into the support arm 10 that itself can mutually rotate；Through described among described support arm Support shaft 5, and make arcuate movement along support shaft, top pressure support arm is provided between support arm upper end and case inside wall along support The support pushes away spring 21 of axle (direction shown in drawing) counterclockwise motion.
Movable sleeve is connected to lock wheel 4 on described support arm 10, and the eccentric orfice 44 of the lock wheel is coated at the support The outer edge bulge top-end 33 of arm, the slewing area of described lock wheel determine by described eccentric orfice aperture, described lock wheel Blocked by one end of stop bit spring 13, the other end of stop bit spring is socketed on a stop bit spring spud pile 14 of base so that described Lock wheel is limited on described support arm.Described lock wheel, support arm, concave wheel do conditional rotation and simultaneously each other Conditional rotation is done along described support shaft.
There are a boss 41, described boss side surfaces phase in the outer edge of described 4 sides of lock wheel close to the position of pedestal edge To be buckled in there is provided compression spring 15, described compression spring one end on breaker lid, other end is to described boss side Face.The concave wheel combines shape support arm with cursor, and the top hollow out of support arm 10 goes out the deep-slotted chip breaker 31 of open at one end, under support arm End, which is withheld, is connected to metal moving contact 11, and the top of the lock wheel is bent into pointed raised 45 arcs for putting in the support arm top In shape groove, U-shaped push rod 16 is placed in the space that is collectively forming, when the push rod promotes, support arm 10 together with lock wheel 4 it is overall around The motion of support shaft 5 is pushed down untill static contact stroke terminates until moving contact, when failure electric signal, which evokes feature guarantee, to open, External force pushes lock wheel open, and support arm 10 is unable to the U-shaped push rod 16 of locking, and line current, but because lock are cut-off in operating mechanism tripping Boss side surfaces on wheel also move to simultaneously after operating mechanism drop-out current is stopped by the compression spring pressure, the lock wheel Pointed projection closes the deep-slotted chip breaker, and the U-shaped push rod 16 is fixed, while pushes handle 7 and be on breaker top surface Centre position, show that the action of circuit breaker trip electric current comes from line fault and non-artificial disconnecting circuit with this.
The described lower end of lock wheel 4 is stretched out shape armed lever 42, and armed lever top hollow out goes out half arc trench breach 43, described Trench breach includes the arcuation wall 32 of the support arm protrusion, and described lock wheel does folding and unfolding campaign along described arcuation wall.
Described is placed with shape armed lever side on dropout pull bar 17, and described dropout pull bar one end is limited in the convex boundary of base On 18, back and forth movement is done along described convex boundary, the described dropout pull bar other end is limited in the groove 19 on base border；It is described Dropout pull bar both ends between contain thermal release device 20 (thermal release device be the common tripping mechanism in market, and the device It is uncorrelated to technical problems to be solved in this application, do not elaborate herein).
Described support arm upper end forms one and can held together with being embraced jointly by described concave wheel and described cursor The track of U-shaped push rod termination and the scaling that can have ready conditions is filled, the U-shaped push rod other end head is buckled on the handle.
The advantages of general principle of the present utility model, principal character and the utility model has been shown and described above.One's own profession The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification Simply illustrate principle of the present utility model, it is in the art common on the premise of the spirit and scope of the utility model is not departed from Technical staff simple change and replace all be within the scope of protection of the utility model.

Claims (7)

1. a kind of operating mechanism of break protective switch, the operating mechanism is accommodated in housing (1), it is characterised in that：The operation Mechanism includes concave wheel (2), cursor (3), lock wheel (4) and support shaft (5)；The back side of described operating mechanism concave wheel (2) The outer rim of i.e. described support shaft (5) be provided with can two end movements accumulation of energy bar (6), described accumulation of energy bar (6) one end be provided with it is spacing lack There is the spacing breach (61) that raised bar (71) is limited in described accumulation of energy bar (6) mouth (61), the lower end of the handle (7) of breaker It is interior；Extend elastic armful of shape arm (62) positioned at accumulation of energy bar (6) position of support shaft spud pile (8) position and embrace institute The support shaft spud pile (8) stated.
A kind of 2. operating mechanism of break protective switch as claimed in claim 1, it is characterised in that：Described concave wheel (2) Recessed grain is built-in with torsion spring, and torsion spring one end is locked to other end in the recessed poor inner wall hole and is placed on cursor (3), The boss of the cursor (3) puts in and is combined into being pinned in described concave wheel with described concave wheel (2) by described torsion spring The support arm (10) that itself can mutually rotate；Pass through described support shaft (5) among described support arm (10), and along support shaft Make arcuate movement.
A kind of 3. operating mechanism of break protective switch as claimed in claim 2, it is characterised in that：Described support arm (10) Upper movable sleeve is connected to lock wheel (4), and the eccentric orfice (44) of the lock wheel (4) is coated at the outer edge bulge of the support arm (10) Top-end (33), the slewing area of described lock wheel (4) determine by described eccentric orfice (44) aperture, described lock wheel (4) Blocked by one end of stop bit spring (13), the other end of stop bit spring (13) is socketed on a stop bit spring spud pile (14) of housing (1) On so that the lock wheel (4) is limited on described support arm (10), described lock wheel (4), support arm (10), concave wheel (2) it can relatively rotate and be relatively rotated simultaneously along described support shaft (5) each other.
A kind of 4. operating mechanism of break protective switch as claimed in claim 3, it is characterised in that：Described lock wheel (4) There is a boss (41) outer edge of side close to the position of housing (1), and described boss (41) side has been oppositely arranged pressure bullet Spring (15), described compression spring (15) one end are buckled on breaker lid, and other end is to described boss (41) side, institute Concave wheel (2) to be stated to combine to form support arm (10) with cursor (3), support arm top hollow out goes out the deep-slotted chip breaker (31) of open at one end, Support arm (10) lower end, which is withheld, is connected to metal moving contact (11), and pointed raised (45) are bent at the top of the lock wheel (4) and are stretched Enter in the deep-slotted chip breaker (31) on the support arm (10) top, placement U-shaped push rod (16) space being collectively forming in, it is described U-shaped to push away When bar (16) promotes, support arm (10) is moved until moving contact (11) pushes down stationary contact together with lock wheel (4) is overall around support shaft (5) Untill head (12) stroke terminates, when failure electric signal, which evokes feature guarantee, to open, external force pushes lock wheel (4) open, and support is not The energy U-shaped push rod of locking (16), operating mechanism cut-off line current, but because of the boss side surfaces on lock wheel (4) in operating mechanism Also move to after drop-out current and stopped by the compression spring (15) pressure simultaneously, pointed raised (45) of the lock wheel (4) are closed The deep-slotted chip breaker (31), the U-shaped push rod (16) is fixed, while pushes during handle (7) is on housing (1) top surface Between position, show that the action of circuit breaker trip electric current comes from line fault and non-artificial disconnecting circuit with this.
A kind of 5. operating mechanism of break protective switch as claimed in claim 4, it is characterised in that：Described lock wheel (4) Lower end is stretched out shape armed lever (42), described that hollow out above shape armed lever (42) is gone out half arc trench breach (43), the trench breach (43) the arcuation wall (32) of the support arm (10) protrusion is included, described lock wheel (4) is received along described arcuation wall (32) Put motion.
A kind of 6. operating mechanism of break protective switch as claimed in claim 5, it is characterised in that：It is described shape armed lever (42) side is placed with dropout pull bar (17), and described dropout pull bar (17) one end is limited in the convex boundary (18) of base, along institute Back and forth movement is done on the convex boundary (18) stated, and described dropout pull bar (17) other end is limited in the groove (19) on base border；Institute Thermal release device (20) is contained between dropout pull bar (17) both ends stated.
A kind of 7. operating mechanism of break protective switch as claimed in claim 6, it is characterised in that：Described support arm (10) Upper end forms one and can contain U-shaped push rod (16) and hold together with being embraced jointly by described concave wheel (2) and described cursor (3) The track of head and the scaling that can have ready conditions, U-shaped push rod (16) the other end head are buckled on handle (7).
CN201721057489.1U 2017-06-08 2017-08-23 A kind of operating mechanism of break protective switch Active CN207097761U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710428214 2017-06-08
CN2017104282142 2017-06-08

Publications (1)

Publication Number Publication Date
CN207097761U true CN207097761U (en) 2018-03-13

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Application Number Title Priority Date Filing Date
CN201721053930.9U Active CN207425751U (en) 2017-06-08 2017-08-23 A kind of high-breaking miniature breaker
CN201710720697.3A Pending CN107359087A (en) 2017-06-08 2017-08-23 A kind of high-breaking miniature breaker
CN201710729346.9A Active CN107369593B (en) 2017-06-08 2017-08-23 Operating mechanism of circuit breaking protection switch
CN201721057489.1U Active CN207097761U (en) 2017-06-08 2017-08-23 A kind of operating mechanism of break protective switch

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CN201721053930.9U Active CN207425751U (en) 2017-06-08 2017-08-23 A kind of high-breaking miniature breaker
CN201710720697.3A Pending CN107359087A (en) 2017-06-08 2017-08-23 A kind of high-breaking miniature breaker
CN201710729346.9A Active CN107369593B (en) 2017-06-08 2017-08-23 Operating mechanism of circuit breaking protection switch

Country Status (3)

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CN (4) CN207425751U (en)
AU (1) AU2018100776A4 (en)
GB (1) GB2564562B (en)

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CN110853997B (en) * 2019-10-24 2021-07-20 拉波斯电气(中国)有限公司 Quick closing circuit breaker

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CN107369593A (en) * 2017-06-08 2017-11-21 李文杰 A kind of operating mechanism of break protective switch
CN107369593B (en) * 2017-06-08 2023-11-10 乐清市智顺电气有限公司 Operating mechanism of circuit breaking protection switch

Also Published As

Publication number Publication date
GB2564562A (en) 2019-01-16
GB2564562B (en) 2022-01-12
CN107369593A (en) 2017-11-21
CN107369593B (en) 2023-11-10
CN207425751U (en) 2018-05-29
GB201809424D0 (en) 2018-07-25
AU2018100776A4 (en) 2018-07-12
CN107359087A (en) 2017-11-17

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