CN106571273A - Circuit breaker unit having manual tripping mechanism and combination circuit breaker - Google Patents
Circuit breaker unit having manual tripping mechanism and combination circuit breaker Download PDFInfo
- Publication number
- CN106571273A CN106571273A CN201610747944.4A CN201610747944A CN106571273A CN 106571273 A CN106571273 A CN 106571273A CN 201610747944 A CN201610747944 A CN 201610747944A CN 106571273 A CN106571273 A CN 106571273A
- Authority
- CN
- China
- Prior art keywords
- connecting lever
- circuit breaker
- drawing plate
- tripping mechanism
- dropout
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention relates to a circuit breaker unit having a manual tripping mechanism and a combination circuit breaker. When the circuit breaker requires to be separated, a traction board is pulled so that a poking head is enabled to drive a second arm to rotate, the second arm rotates to drive a rotating crank arm to rotate, the rotating crank arm rotates and drives a touch rod to move through a first arm and the touch rod drives a tripping crank arm to rotate so that the circuit breaker is enabled to be tripped and separated. Therefore, only the traction rod requires to be pulled when the circuit is maintained and the circuit breaker requires to be separated so that operation is convenient and reliable and the safety of maintenance personnel can be guaranteed.
Description
Technical field
The present invention relates to a kind of breaker unit with hand tripping mechanism and combination circuit breaker, belong to miniature circuit breaker
Technical field.
Background technology
Miniature circuit breaker is a kind of conventional on and off switch in prior art, has in low-voltage distribution field and widely should
With such as home switch etc..As shown in figure 1, typically having tripping mechanism 2 in miniature circuit breaker, tripping mechanism 2 generally comprises one
Individual dropout connecting lever 6, dropout connecting lever 6 is connected on the housing of chopper by fixing axle 26, when chopper is in "on" position,
Tripping mechanism 2 prevents the moving contact 3 of chopper from separating brake, when needing breaker open operation, only dropout connecting lever 6 need to be rotated into one
Individual less angle can unlock the moving contact 3 of chopper, and the moving contact 3 of chopper will be dynamic under the pulling of tripping spring 5
Contact 3 separates with static contact 4.
When circuit breaks down, need to overhaul circuit, need the moving contact of chopper and quiet before maintenance
Contact is disconnected so as to ensure to need the circuit of maintenance to be off, and security incident occurs to prevent maintainer from getting an electric shock.
The content of the invention
In order to overcome defect of the prior art, the present invention provide a kind of breaker unit with hand tripping mechanism and
Combination circuit breaker, it is easy to operate and can reliably make breaker open operation, it is ensured that the safety of maintainer.
In order to achieve the above object and related purpose, a kind of breaker unit with hand tripping mechanism of the present invention is adopted
Use following technical scheme：A kind of breaker unit with hand tripping mechanism, including tripping mechanism, the tripping mechanism includes
One dropout connecting lever, rotating the dropout connecting lever can make circuit breaker tripping and separating brake；Also include rotation connecting lever, drawing plate, the rotation
Turn connecting lever to be connected on the housing of chopper by a rotating shaft parallel with the rotation axiss of dropout connecting lever, rotation connecting lever has
First arm and the second arm；The end of the first arm connects the touch pole of one and the shaft parallel, and the touch pole is turned with dropout
Arm connects；Can move back and forth in the chute that the drawing plate is plugged on Shell of circuit breaker and along chute, one end of drawing plate
Be provided with and stir head, mobile drawing plate can make it is described stir head and stir second arm rotate rotation connecting lever, rotation connecting lever rotation
Turn drive touch pole to move and rotate dropout connecting lever, so that circuit breaker tripping and separating brake.
Preferably, the side of the dropout connecting lever is provided with a connecting hole, and the touch pole is inserted in the connecting hole, described
Connecting hole is not coaxial with the rotation axiss of dropout connecting lever, and the rotating shaft is coaxial with the rotation axiss of dropout connecting lever.
Preferably, the drawing plate is provided with a lockhole, and when chopper is in "on" position, the lockhole is located at open circuit
Device case inside；When drawing plate is moved to dropout connecting lever is rotated to trip positions, the lockhole is completely exposed in chopper
The outside of housing.
Preferably, be provided with the middle of the drawing plate one along drawing plate glide direction extend elongated slot, elongated slot along length side
To two side on be respectively provided with the positioning convex of two circles, Shell of circuit breaker is provided with a locating dowel, when drawing plate is moved to
When dropout connecting lever is rotated to trip positions, the locating dowel is stuck between the positioning convex.
Preferably, the drawing plate is vertically inserted in the chute, and the upper end of drawing plate is exposed to Shell of circuit breaker
Outer surface, it is described to stir the lower end that head is arranged on drawing plate.
Preferably, the side of the drawing plate be provided with one perpendicular to the drawing plate slip plate, the slip plate
It is connected with control device；When chopper is in closing position, the slip plate can slide and insert perpendicular to the drawing plate
In jack on drawing plate.
Preferably, the gathering sill of arc is additionally provided with the Shell of circuit breaker, the touch pole is arranged in gathering sill.
With a kind of above-mentioned breaker unit with hand tripping mechanism correspondingly, the present invention also provides a kind of combination and breaks
Road device, adopts the following technical scheme that：A kind of combination circuit breaker, including multi-phase circuit breaker unit, in the multi-phase circuit breaker unit
A phase breaker unit be above-mentioned technical proposal and disconnected with hand tripping mechanism described in arbitrary preferred technical scheme
Road device unit, the gangbar between the dropout connecting lever of the multi-phase circuit breaker unit by being coaxially disposed with the touch pole connects
Connect.
Based on above-mentioned technical proposal, a kind of breaker unit with hand tripping mechanism and combination circuit breaker of the present invention
Have the advantages that：When needing to make breaker open operation, pull drawing plate and drive the second arm to rotate so that stirring head, the
The rotation of two arms rotates rotation connecting lever, and rotation connecting lever rotates and drives touch pole motion by the first arm, and touch pole drives threads off
Connecting lever rotates, so that circuit breaker tripping and separating brake.So, when overhauling circuit and needing to make breaker open operation, only need to draw
Dynamic stayed pole, it is easy to operate and reliable, it is ensured that the safety of maintainer.
Description of the drawings
Fig. 1 is shown as tripping mechanism, moving contact, the connection diagram of static contact of chopper.
Fig. 2 is shown rotated at the connection diagram of connecting lever, drawing plate and slip plate.
Fig. 3 is shown as the cross-sectional view of drawing plate, slip plate and padlock.
Fig. 4 is shown as in Fig. 2 the sectional view at A-A.
Fig. 5 is shown as a kind of schematic perspective view of combination circuit breaker.
Reference is as follows：
1 breaker unit 15 stirs head
The connecting hole of 2 tripping mechanism 16
The jack of 3 moving contact 17
The slip plate of 4 static contact 18
The elongated slot of 5 tripping spring 19
The positioning convex of 6 dropout connecting lever 20
The 7 rotation locating dowels of connecting lever 21
The fin of 8 drawing plate 22
The groove of 9 rotating shaft 23
The baffle plate of 10 housing 24
The gathering sill of 11 first arm 25
The fixing axle of 12 second arm 26
The lockhole of 13 touch pole 27
The padlock of 14 chute 28
Specific embodiment
The specific embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings.These embodiments are only used for
Illustrate the present invention, and not limitation of the present invention.
In describing the invention, it should be noted that term " " center ", " longitudinal direction ", " horizontal ", " on ", D score,
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward " is
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than indicates or dark
Showing the device or element of indication must have specific orientation, with specific azimuth configuration and operation therefore it is not intended that right
The restriction of the present invention.Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative
Importance.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Additionally, in describing the invention, unless otherwise stated, " multiple " are meant that two or more.
Refer to Fig. 1 and Fig. 2, a kind of breaker unit with hand tripping mechanism of the present invention, including tripping mechanism
2, the tripping mechanism 2 includes a dropout connecting lever 6, and rotating the dropout connecting lever 6 can make circuit breaker tripping and separating brake；Also include rotation
Turn connecting lever 7, drawing plate 8, the rotation connecting lever 7 is connected to disconnected by a rotating shaft 9 parallel with the rotation axiss of dropout connecting lever 6
On the housing 10 of road device, rotation connecting lever 7 has the first arm 11 and the second arm 12；The end of the first arm 11 connects one with described turn
The parallel touch pole 13 of axle 9, the touch pole 13 is connected with dropout connecting lever 6；The drawing plate 8 is plugged on Shell of circuit breaker 10
A chute 14 in and can move back and forth along chute 14, one end of drawing plate 8 is provided with stirs 15, and mobile drawing plate 8 can make
It is described stir 15 and stir second arm 12 rotate rotation connecting lever 7, rotation connecting lever 7 rotarily drives touch pole 13 and moves and make
Dropout connecting lever 6 rotates, so that circuit breaker tripping and separating brake.
A kind of breaker unit with hand tripping mechanism that the present invention is provided connects in circuit, when maintenance circuit
When needing to make breaker open operation, pull drawing plate 8 and rotate so that stirring 15 second arm 12 of drive, the rotation of the second arm 12 makes rotation
Turn connecting lever 7 to rotate, rotation connecting lever 7 rotates and drives touch pole 13 to move by the first arm 11, and touch pole 13 drives dropout connecting lever 6
Rotation, so that circuit breaker tripping and separating brake.So, when overhauling to circuit and needing to make breaker open operation, need to only pull and lead
Pull bar, it is easy to operate and reliable, it is ensured that the safety of maintainer.
Incorporated by reference to Fig. 1 and Fig. 2, as a kind of preferred mode, a connection can be provided with the side of the dropout connecting lever 6
Hole 16, the touch pole 13 is inserted in the connecting hole 16, and the connecting hole 16 is not coaxial with the rotation axiss of dropout connecting lever 6,
And the rotating shaft 9 is coaxial with the rotation axiss of dropout connecting lever 6.So, the one end when touch pole 13 and the second arm for rotating connecting lever 7
12 connections, the other end is connected with the connecting hole 16 on dropout connecting lever 6, when touch pole 13 is driven and 9 rotation around the shaft by rotation connecting lever 7
When turning, touch pole 13 drives dropout connecting lever 6 and the rotation synchronous rotary of connecting lever 7, dropout connecting lever 6 to rotate and make tripping mechanism 2 thread off,
The separating brake under the pulling of tripping spring 5 of moving contact 3.In order to limit the movement of touch pole 13, as shown in Fig. 2 the chopper shell
The gathering sill 25 of arc is additionally provided with body 10, the touch pole 13 is arranged in gathering sill 25, when touch pole 13 is moved to and institute
When stating the upper-end contact of gathering sill 25, tripping mechanism 2 is in lock position, when touch pole 13 is moved to and the gathering sill 25
During lower end in contact (position shown in Fig. 2), tripping mechanism 2 is in trip positions.
Incorporated by reference to Fig. 2 and Fig. 3, as one kind preferred embodiment, the drawing plate 8 is provided with a lockhole 27, when disconnected
When road device is in "on" position, the lockhole 27 is located at Shell of circuit breaker inner side, and when drawing plate 8 is moved to dropout connecting lever 6 is revolved
When going to trip positions, the lockhole 27 is just completely exposed in the outside of Shell of circuit breaker.So, when needing chopper point
During lock, drawing plate 8 is moved to makes dropout connecting lever 6 rotate to trip positions, and tripping mechanism 2 is threaded off and makes breaker open operation, this
When, the dew of lockhole 27 is completely exposed in Shell of circuit breaker outside, a padlock 28 is hung on lockhole 27 and is pinned, and prevents ignorant
Other staff mistakenly drawing plate 8 is moved and enables chopper to recover lock state.So, drawing plate 8 cannot be again
Back move, the lower end of drawing plate 8 is stirred 15 and remains stationary as rotation connecting lever 7, so that dropout connecting lever 6 is maintained at dropout position
Put, chopper just cannot be latched again, even if there are other staff to pass through the rotary handle or control device of chopper to chopper
Carry out closing operation or reclosing operation so can not more ensure that the safety of maintainer by breaker closing.Make
For one kind preferred embodiment, as shown in Fig. 2 being provided with the length extended along the glide direction of drawing plate 8 in the middle of the drawing plate 8
Groove 19, is respectively provided with the positioning convex 20 of two circles on the two side along its length of elongated slot 19, make when drawing plate 8 is moved to
When dropout connecting lever 6 is rotated to trip positions, the locating dowel 21 is stuck between the positioning convex 20.So, when drawing plate 8 is moved
Move to the jack 17 be completely exposed when the hull outside of chopper, positioning convex 20 and locating dowel 21 can be by drawing plates
8 positioning, in order to install padlock 28 in lockhole 27.As shown in Fig. 2 in a kind of disconnected with hand tripping mechanism of the present invention
In the device unit of road, the drawing plate 8 is vertically inserted in the chute 14, and the upper end of drawing plate 8 is exposed to Shell of circuit breaker 10
Outer surface, it is described to stir 15 lower ends for being arranged on drawing plate 8.So, maintainer be able to will lead from the outside of chopper
Arm-tie 8 is pulled out upwards, is easy to operation.As shown in figure 4, the side of the drawing plate 8 be provided with one perpendicular to the drawing plate cunning
Dynamic plate 18, the slip plate 18 is connected with control device；When chopper is in closing position, the slip plate 18 can
Slide and insert in the jack 17 on drawing plate 8 perpendicular to the drawing plate 8.The slip plate 18 is connected with control device,
Chopper can be switched to manual operation state or automatic control state by the movement of slip plate 18, sliding when circuit is normal
Dynamic plate 18 switches to automatic mode, and slip plate 18 is moved and is inserted in the jack 17 on drawing plate 8 and by drawing plate 8
Locking prevents drawing plate 8 from being moved, to prevent circuit from mistakenly being disconnected；When needing to overhaul circuit, will slide
Plate 18 switches to manual work state, and slip plate 18 slips away the jack 17 of drawing plate 8, and remove drawing plate 8 makes rotation manually
Turn connecting lever 7 to rotate so as to drive the rotation of dropout connecting lever 6 to thread off, the lockhole 27 on drawing plate 8 is completely exposed the housing in chopper
Afterwards, installing one prevents drawing plate from being moved back into padlock 28 on lockhole 27.So ensure that the safety of maintainer.For
Easy access personnel move the slip plate 18, it is preferable that can in the horizontal direction slide in the slip plate 18, sliding
The upper surface of dynamic plate 18 is provided with the fin 22 and/or groove 23 vertical with glide direction, and such maintainer is clasped with finger
Fin 22 or groove 23 can move slip plate 18, in order to the anti-displacement of sliding stop plate 18 it is excessive, can with
The lower surface of slip plate 18 is provided with baffle plate 24, after in the jack 17 that slip plate 18 is inserted on drawing plate 8, the backstop
Plate 24 is switched off the stop surface backstop arranged on the housing 10 of device and can not continue to move to.
The present invention also provides a kind of combination circuit breaker, including multi-phase circuit breaker unit 1, in the multi-phase circuit breaker unit 1
A phase breaker unit 1 be above-mentioned technical proposal and disconnected with hand tripping mechanism described in arbitrary preferred technical scheme
Road device unit, the gangbar between the dropout connecting lever 6 of the multi-phase circuit breaker unit 1 by being coaxially disposed with the touch pole 13
Connection.Combination circuit breaker as shown in Figure 5 includes biphase breaker unit 1, and certainly, a kind of combination circuit breaker of the present invention also may be used
With comprising more multiphase breaker unit 1.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, on the premise of without departing from the technology of the present invention principle, some improvement and replacement can also be made, these improve and replace
Also should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of breaker unit with hand tripping mechanism, including tripping mechanism (1), the tripping mechanism (1) is including one
Dropout connecting lever (6), rotating the dropout connecting lever (6) can make circuit breaker tripping and separating brake；It is characterized in that：
Also include rotation connecting lever (7), drawing plate (8), rotation connecting lever (7) by one with the rotary shaft of dropout connecting lever (6)
The parallel rotating shaft of line (9) is connected on the housing of chopper, and rotation connecting lever (7) is with the first arm (11) and the second arm (12)；The
The end of one arm (11) connects a touch pole (13) parallel with the rotating shaft (9), the touch pole (13) and dropout connecting lever
(6) connect；
Can move back and forth in the chute (14) that the drawing plate (8) is plugged on Shell of circuit breaker and along chute (14), pull
One end of plate (8) is provided with stirs head (15), and mobile drawing plate (8) can make described to stir head (15) and stir second arm (12)
Rotate rotation connecting lever (7), rotation connecting lever (7) rotarily drives touch pole (13) and moves and rotate dropout connecting lever (6), so that
Circuit breaker tripping and separating brake.
2. the breaker unit with hand tripping mechanism as claimed in claim 1, is characterized in that：The dropout connecting lever (6)
Side be provided with a connecting hole (16), the touch pole (13) is inserted in the connecting hole (16), the connecting hole (16) with it is de-
The rotation axiss of button connecting lever (6) are not coaxial, and the rotating shaft (9) is coaxial with the rotation axiss of dropout connecting lever (6).
3. the breaker unit with hand tripping mechanism as claimed in claim 1, is characterized in that：On the drawing plate (8)
A lockhole (27) is provided with, when chopper is in "on" position, the lockhole (27) is positioned at Shell of circuit breaker inner side；Work as drawing plate
(8) it is moved to when dropout connecting lever (6) is rotated to trip positions, the lockhole (27) is completely exposed in the outer of Shell of circuit breaker
Side.
4. the breaker unit with hand tripping mechanism as claimed in claim 3, is characterized in that：In the drawing plate (8)
Between be provided with one along drawing plate (8) glide direction extend elongated slot (19), respectively set on the two side along its length of elongated slot (19)
There is the positioning convex (20) of two circles, Shell of circuit breaker is provided with a locating dowel (21), when drawing plate (8) is moved to dropout is made
When connecting lever (6) is rotated to trip positions, the locating dowel (21) is stuck between the positioning convex (20).
5. the breaker unit with hand tripping mechanism as claimed in claim 3, is characterized in that：The drawing plate (8) is erected
Directly it is inserted in the chute (14), the upper end of drawing plate (8) is exposed to the outer surface of Shell of circuit breaker, described to stir head (15)
It is arranged on the lower end of drawing plate (8).
6. the breaker unit with hand tripping mechanism as claimed in claim 1, is characterized in that：The side of the drawing plate
Be provided with one perpendicular to the drawing plate (8) slip plate (18), the slip plate (18) is connected with control device；Work as open circuit
When device is in closing position, the slip plate (18) can be slided and insert on drawing plate (8) perpendicular to the drawing plate (8)
In jack (17).
7. the breaker unit with hand tripping mechanism as claimed in claim 1, is characterized in that：On the Shell of circuit breaker
The gathering sill (25) of arc is additionally provided with, the touch pole (13) is arranged in gathering sill (25).
8. a kind of combination circuit breaker, including multi-phase circuit breaker unit, the phase breaker unit in the multi-phase circuit breaker unit
The breaker unit with hand tripping mechanism described in any one of claim 1 to 7, is characterized in that：The multiphase open circuit
It is connected by the gangbar being coaxially disposed with the touch pole (13) between the dropout connecting lever (6) of device unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610747944.4A CN106571273B (en) | 2016-08-29 | 2016-08-29 | A kind of breaker unit and combination circuit breaker with hand tripping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610747944.4A CN106571273B (en) | 2016-08-29 | 2016-08-29 | A kind of breaker unit and combination circuit breaker with hand tripping mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106571273A true CN106571273A (en) | 2017-04-19 |
| CN106571273B CN106571273B (en) | 2018-11-27 |
Family
ID=58532367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610747944.4A Active CN106571273B (en) | 2016-08-29 | 2016-08-29 | A kind of breaker unit and combination circuit breaker with hand tripping mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106571273B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5075658A (en) * | 1990-07-16 | 1991-12-24 | General Electric Company | Molded case circuit breaker trip-to-test button and auxiliary switch interface |
| CN101640146A (en) * | 2009-08-11 | 2010-02-03 | 上海永继电气有限公司 | Tripping device of circuit breaker |
| CN205406434U (en) * | 2016-03-23 | 2016-07-27 | 德力西电气有限公司 | Divide closing operation controlling means and circuit breaker |
| CN206163437U (en) * | 2016-08-29 | 2017-05-10 | 苏州未来电器股份有限公司 | Circuit breaker unit and combination circuit breaker with manual tripping device |
-
2016
- 2016-08-29 CN CN201610747944.4A patent/CN106571273B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5075658A (en) * | 1990-07-16 | 1991-12-24 | General Electric Company | Molded case circuit breaker trip-to-test button and auxiliary switch interface |
| CN101640146A (en) * | 2009-08-11 | 2010-02-03 | 上海永继电气有限公司 | Tripping device of circuit breaker |
| CN205406434U (en) * | 2016-03-23 | 2016-07-27 | 德力西电气有限公司 | Divide closing operation controlling means and circuit breaker |
| CN206163437U (en) * | 2016-08-29 | 2017-05-10 | 苏州未来电器股份有限公司 | Circuit breaker unit and combination circuit breaker with manual tripping device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106571273B (en) | 2018-11-27 |
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