CN205863112U - A kind of resilience-proof device of chopper - Google Patents
A kind of resilience-proof device of chopper Download PDFInfo
- Publication number
- CN205863112U CN205863112U CN201620639488.7U CN201620639488U CN205863112U CN 205863112 U CN205863112 U CN 205863112U CN 201620639488 U CN201620639488 U CN 201620639488U CN 205863112 U CN205863112 U CN 205863112U
- Authority
- CN
- China
- Prior art keywords
- cantilever
- impact portions
- rebound
- limit shaft
- impact
- 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.)
- Withdrawn - After Issue
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
- H01H71/50—Manual reset mechanisms which may be also used for manual release
- H01H71/504—Manual reset mechanisms which may be also used for manual release provided with anti-rebound means
Landscapes
- Vibration Dampers (AREA)
Abstract
This utility model relates to the resilience-proof device of a kind of chopper, including main shaft, cantilever, limit shaft, described cantilever is fixed on main shaft, and with main axis, described limit shaft is positioned at below main shaft, and for limiting the rotation of cantilever, during breaker open operation, dwell point c on cantilever collides with limit shaft, and make cantilever stop, also include anti-rebound be rotationally connected with cantilever, anti-rebound is provided with for two impact portions with limit shaft contact-impact, two impact portions lay respectively at the center of rotation both sides of anti-rebound or with on one side, a described edge stretching out cantilever in two impact portions, another is hidden in the surface of cantilever, anti-rebound is additionally provided with its flexible member rotated of constraint.Compared with prior art, this utility model has and can cut down resilience force during breaker open operation, the effective mechanical life etc. improving part in batches by two points on anti-rebound.
Description
Technical field
This utility model relates to low voltage electrical apparatus technology field, especially relates to the resilience-proof device of a kind of chopper.
Background technology
Chopper can be used to distribute electric energy, infrequently starts asynchronous motor, carries out power circuit and motor etc.
Protection, when there are serious overloads or the fault such as short-circuit and under-voltage in them can automatic shutdown circuit, its function is equivalent to melt
Disconnected device formula switch and the combination crossing underheat relay etc..And typically need not change parts after disjunction fault current.Mesh
Before, obtain a wide range of applications.
Anti-rebound function is one of critical function of chopper, and it is anti-that it can effectively prevent during breaker open operation
Bullet, thus avoid restriking of electric arc, it is ensured that the break performance of chopper.At present, the resilience-proof device in chopper is usually used in breaking
During the device separating brake of road, as Chinese patent ZL201120175827.8 discloses the resilience-proof device of a kind of chopper, effectively
Solve the chopper problem that the snap-off-distance of moving contact is excessive during separating brake.But chopper is during divide-shut brake,
Cantilever and limit shaft direct collision, owing to divide-shut brake speed ratio is very fast, its collision energy is very big, easily causes the parts such as cantilever
Damage.
Utility model content
Defect that the purpose of this utility model is contemplated to overcome above-mentioned prior art to exist and a kind of chopper is provided
Resilience-proof device.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of resilience-proof device of chopper, including main shaft, cantilever, limit shaft, described cantilever is fixed on main shaft, and
With main axis, described limit shaft is positioned at below main shaft, and for limiting the rotation of cantilever, during breaker open operation, on cantilever
Dwell point c and limit shaft collide, and make cantilever stop, described cantilever be also rotatably connected to anti-rebound, anti-rebound
Being provided with for two impact portions with limit shaft contact-impact, two impact portions lay respectively at the center of rotation two of anti-rebound
Limit or with on one side, a described edge stretching out cantilever in two impact portions, another is hidden in the surface of cantilever,
Its flexible member rotated of constraint it is additionally provided with on anti-rebound；
During breaker open operation, main shaft and suspending arm rotary also drive anti-rebound motion, and anti-rebound is stretched out cantilever edge
Impact portions first with limit shaft contact-impact, under the effect of impact force, overcome the restraining forces of flexible member to rotate, with
After, cantilever or another impact portions are collided with limit shaft, and resilience rotates, followed by, another impact portions remaining or cantilever with
Limit shaft collides, and so circulates, until geo-stationary between cantilever and limit shaft.
Two described impact portions include impact portions a and impact portions b, and wherein, impact portions a is near dwell point c；
When impact portions a stretches out the edge of cantilever, impact portions b is hidden in cantilever surfaces accordingly, now, and breaker open operation
Time, anti-rebound mode is: impact portions a is first collided with limit shaft, and subsequently, cantilever collides with limit shaft, followed by, impact portions b with
Limit shaft collides, and so circulates；
When impact portions b stretches out the edge of cantilever, impact portions a is hidden in cantilever surfaces accordingly, now, and breaker open operation
Time, anti-rebound mode is: impact portions b is first collided with limit shaft, and subsequently, impact portions a is collided with limit shaft, followed by, cantilever with
Limit shaft collides, and so circulates.
Described anti-rebound forms curved groove in impact portions a and impact portions b connecting line part indent at center of rotation
Portion.
When impact portions b stretches out the edge of cantilever, impact portions b is stretched out the part of cantilever edge and is formed a smooth surface.This
Sample can ensure, when limit shaft contact-impact impact portions b for the first time, anti-rebound can be made to rotate on predetermined trajectory, so that
Obtain limit shaft next to collide with impact portions a and cantilever.
Described anti-rebound is rotationally connected with cantilever by alignment pin.
Being provided with spacer pin on anti-rebound, be provided with curve spacing hole on cantilever, described curve spacing hole is available for limit
Position pin penetrates and movable.
Described flexible member is torsion spring, and torsion spring set is located on alignment pin, and two junction point connects main shaft and limit respectively
Position pin.
The size of described curve spacing hole meets: when spacer pin lays respectively at the two ends of curve spacing hole, two are touched
The portion that hits ensures to stretch out the edge of cantilever respectively.
Alignment pin is additionally provided with jump ring.
Resilience-proof device of the present utility model is provided with the most a set of in chopper.Can be two sets or more.Main shaft
Use same with limit shaft.
Compared with prior art, this utility model has the advantage that
(1) arrange anti-rebound by rotation on cantilever, and it is connected with flexible member, so, when anti-rebound
When colliding with limit shaft, flexible member can absorb the energy of collision, is then translated into anti-rebound, cantilever and limit shaft
Multiple impacts cut down, can effectively improve mechanical life.
(2) it is provided with two impact portions on anti-rebound, by arranging whether two impact portions stretch out cantilever edge, and
The rational geomery of shaped groove, such that it is able to be converted into the two impact portions and limit by the collision of anti-rebound with limit shaft
The first Posterior circle collision of position axle such that it is able to the energy of abatement breaker open operation the most in batches.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is sectional structure schematic diagram of the present utility model；
Fig. 3 is the structural representation of anti-rebound of the present utility model；
In figure, anti-rebound of 1-, 2-jump ring, 3-limit shaft, 4-alignment pin, 5-torsion spring, 6-spacer pin, 7-cantilever, 8-master
Axle, 11-impact portions a, 12-impact portions b, 13-curved groove portion, 71-dwell point c.
Detailed description of the invention
With specific embodiment, this utility model is described in detail below in conjunction with the accompanying drawings.
Embodiment 1
The resilience-proof device of a kind of chopper, its structure such as Fig. 1, including main shaft 8, cantilever 7, limit shaft 3, cantilever 7 is fixed
On main shaft 8, and rotating with main shaft 8, limit shaft 3 is positioned at below main shaft 8, and for limiting the rotation of cantilever 7, breaker open operation
Time, the dwell point c71 on cantilever 7 collides with limit shaft 3, and makes cantilever 7 stop, and cantilever 7 is rotationally connected also by alignment pin 4
There is anti-rebound 1, be additionally provided with jump ring 2 in the end of alignment pin 4, as it is shown on figure 3, be provided with for anti-rebound 1 for spacing
Two impact portions of axle 3 contact-impact: impact portions a11 and impact portions b12, two impact portions lay respectively at anti-rebound 1 turn
Disorder of internal organs heart both sides, impact portions b12 stretches out the edge of cantilever 7, and impact portions a11 is hidden in cantilever 7 surface accordingly, anti-rebound 1
Forming curved groove portion 13 in impact portions a11 and impact portions b12 connecting line part indent at center of rotation, impact portions b12 is stretched out
The part at cantilever 7 edge forms a smooth surface.Anti-rebound 1 is provided with spacer pin 6, cantilever 7 is provided with curve spacing
Hole, curve spacing hole is available for spacer pin 6 and penetrates and movable, and the size of curve spacing hole meets: when spacer pin 6 lays respectively at curve
During the two ends of spacing hole, two impact portions ensure to stretch out the edge of cantilever 7 respectively, are additionally provided with its turn of constraint on anti-rebound 1
Dynamic flexible member, flexible member is torsion spring 5, and torsion spring 5 is set on alignment pin 4, two junction point connect respectively main shaft 8 with
Spacer pin 6.
As in figure 2 it is shown, during breaker open operation, main shaft 8 and cantilever 7 turn round and drive anti-rebound 1 counterclockwise movement, prevent back
Stretch out impact portions b12 elder generation and limit shaft 3 contact-impact at cantilever 7 edge on shell fragment 1, under the effect of impact force, overcome elasticity
The restraining forces of element rotates counterclockwise, and subsequently, another impact portions a11 remaining is collided with limit shaft 3, and resilience also turns clockwise
Dynamic, followed by, cantilever 7 collides with limit shaft 3, so circulates, until geo-stationary between cantilever 7 and limit shaft 3.
Embodiment 2
The resilience-proof device of a kind of chopper, its structure sees Fig. 1, and including main shaft 8, cantilever 7, limit shaft 3, cantilever 7 is solid
Being scheduled on main shaft 8, and rotate with main shaft 8, limit shaft 3 is positioned at below main shaft 8, and for limiting the rotation of cantilever 7, chopper divides
During lock, the dwell point c71 on cantilever 7 collides with limit shaft 3, and makes cantilever 7 stop, and cantilever 7 rotates even also by alignment pin 4
Being connected to anti-rebound 1, be additionally provided with jump ring 2 in the end of alignment pin 4, anti-rebound 1 is provided with and touches for contacting with limit shaft 3
Two impact portions hit: impact portions a11 and impact portions b12, two impact portions lay respectively at the center of rotation two of anti-rebound 1
Limit, impact portions a11 stretches out the edge of cantilever 7, and impact portions b12 is hidden in cantilever 7 surface accordingly, and anti-rebound 1 in impact portions
A11 and impact portions b12 connecting line part indent at center of rotation form curved groove portion 13.Anti-rebound 1 is provided with spacing
Pin 6, is provided with curve spacing hole on cantilever 7, and curve spacing hole is available for spacer pin 6 and penetrates and movable, the size of curve spacing hole
Meet: when spacer pin 6 lays respectively at the two ends of curve spacing hole, two impact portions ensure to stretch out the edge of cantilever 7 respectively,
Being additionally provided with its flexible member rotated of constraint on anti-rebound 1, flexible member is torsion spring 5, and torsion spring 5 is set on alignment pin 4, its
Two junction points connect main shaft 8 and spacer pin 6 respectively.
Seeing Fig. 2, during breaker open operation, main shaft 8 and cantilever 7 turn round and drive anti-rebound 1 counterclockwise movement, anti-rebound
Stretch out impact portions a11 elder generation and limit shaft 3 contact-impact at cantilever 7 edge on sheet 1, under the effect of impact force, overcome elastic unit
The restraining forces of part rotates clockwise, and subsequently, cantilever 7 collides with limit shaft 3, and resilience also rotates clockwise, followed by, remaining separately
One impact portions b12 is collided with limit shaft 3, so circulates, until geo-stationary between cantilever 7 and limit shaft 3.
Impact portions a11 in the present embodiment and impact portions b12 can also be positioned at on one side, wherein, impact portions a closer to
Dwell point c71.
The above-mentioned description to embodiment is to be understood that for ease of those skilled in the art and use practicality
Novel.These embodiments obviously easily can be made various amendment by person skilled in the art, and explanation at this
General Principle be applied in other embodiments without through performing creative labour.Therefore, this utility model is not limited to above-mentioned
Embodiment, those skilled in the art according to announcement of the present utility model, the improvement made without departing from this utility model category and
Amendment all should be within protection domain of the present utility model.
Claims (9)
1. a resilience-proof device for chopper, including main shaft (8), cantilever (7), limit shaft (3), described cantilever (7) is fixed
On main shaft (8), and rotating with main shaft (8), described limit shaft (3) is positioned at main shaft (8) lower section, and is used for limiting cantilever (7)
Rotation, during breaker open operation, the dwell point c (71) on cantilever (7) and limit shaft (3) collide, and make cantilever (7) stop, its
Be characterised by, also include anti-rebound (1) being rotationally connected with cantilever (7), anti-rebound (1) be provided with for limit shaft
(3) two impact portions of contact-impact, two impact portions lay respectively at the center of rotation both sides of anti-rebound (1) or same
Limit, a described edge stretching out cantilever (7) in two impact portions, another is hidden in the surface of cantilever (7), is preventing back
Its flexible member rotated of constraint it is additionally provided with on shell fragment (1)；
During breaker open operation, main shaft (8) and cantilever (7) turn round and drive anti-rebound (1) to move, and anti-rebound (1) stretches out
One impact portions elder generation at cantilever (7) edge and limit shaft (3) contact-impact, under the effect of impact force, overcome flexible member
Restraining forces rotates, and subsequently, cantilever (7) or another impact portions are collided with limit shaft (3), and resilience rotates, followed by, remaining separately
One impact portions or cantilever (7) collide with limit shaft (3), so circulate, until relative quiet between cantilever (7) with limit shaft (3)
Only.
The resilience-proof device of a kind of chopper the most according to claim 1, it is characterised in that two described impact portions bags
Including impact portions a (11) and impact portions b (12), wherein, impact portions a (11) is near dwell point c (71)；
When impact portions a (11) stretches out the edge of cantilever (7), impact portions b (12) is hidden in cantilever (7) surface accordingly, now,
During breaker open operation, anti-rebound mode is: impact portions a (11) is first collided with limit shaft (3), subsequently, and cantilever (7) and limit shaft
(3) collision, followed by, impact portions b (12) is collided with limit shaft (3), so circulates；
When impact portions b (12) stretches out the edge of cantilever (7), impact portions a (11) is hidden in cantilever (7) surface accordingly, now,
During breaker open operation, anti-rebound mode is: impact portions b (12) is first collided with limit shaft (3), and subsequently, impact portions a (11) is with spacing
Axle (3) collides, followed by, cantilever (7) collides with limit shaft (3), so circulates.
The resilience-proof device of a kind of chopper the most according to claim 2, it is characterised in that anti-rebound described (1)
Curved groove portion (13) is formed in impact portions a (11) and impact portions b (12) connecting line part indent at center of rotation.
The resilience-proof device of a kind of chopper the most according to claim 3, it is characterised in that when impact portions b (12) is stretched out
During the edge of cantilever (7), impact portions b (12) is stretched out the part at cantilever (7) edge and is formed a smooth surface.
The resilience-proof device of a kind of chopper the most according to claim 1, it is characterised in that anti-rebound described (1)
It is rotationally connected with cantilever (7) by alignment pin (4).
The resilience-proof device of a kind of chopper the most according to claim 5, it is characterised in that set on anti-rebound (1)
Limited location pin (6), is provided with curve spacing hole on cantilever (7), and described curve spacing hole is available for spacer pin (6) and penetrates and live
Dynamic.
The resilience-proof device of a kind of chopper the most according to claim 6, it is characterised in that described flexible member is for turning round
Spring (5), torsion spring (5) is set on alignment pin (4), and two junction point connects main shaft (8) and spacer pin (6) respectively.
The resilience-proof device of a kind of chopper the most according to claim 6, it is characterised in that described curve spacing hole
Size meets: when spacer pin (6) lays respectively at the two ends of curve spacing hole, two impact portions ensure to stretch out cantilever (7) respectively
Edge.
The resilience-proof device of a kind of chopper the most according to claim 5, it is characterised in that also set on alignment pin (4)
There is jump ring (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620639488.7U CN205863112U (en) | 2016-06-24 | 2016-06-24 | A kind of resilience-proof device of chopper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620639488.7U CN205863112U (en) | 2016-06-24 | 2016-06-24 | A kind of resilience-proof device of chopper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205863112U true CN205863112U (en) | 2017-01-04 |
Family
ID=57637186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620639488.7U Withdrawn - After Issue CN205863112U (en) | 2016-06-24 | 2016-06-24 | A kind of resilience-proof device of chopper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205863112U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107546074A (en) * | 2016-06-24 | 2018-01-05 | 上海电器股份有限公司人民电器厂 | A kind of resilience-proof device of breaker |
-
2016
- 2016-06-24 CN CN201620639488.7U patent/CN205863112U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107546074A (en) * | 2016-06-24 | 2018-01-05 | 上海电器股份有限公司人民电器厂 | A kind of resilience-proof device of breaker |
| CN107546074B (en) * | 2016-06-24 | 2019-04-26 | 上海电器股份有限公司人民电器厂 | A kind of resilience-proof device of breaker |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203351480U (en) | Rotating control switch | |
| CN107452566B (en) | The releasing structure of breaker | |
| CN106504919B (en) | A kind of device for switching and its spring operating mechanism | |
| CN102054631B (en) | Anti-bouncer for circuit breaker | |
| CN102376505B (en) | Contactor protecting sheet and molded case circuit breaker contactor with high breaking capacity | |
| CN205863112U (en) | A kind of resilience-proof device of chopper | |
| CN205920942U (en) | Circuit breaker prevent resilient mounting | |
| CN203277255U (en) | Bouncing-prevention mechanism for breaker | |
| CN207529897U (en) | Electric arc separating mechanism and breaker of plastic casing | |
| CN103531409B (en) | A kind of contact system of breaker | |
| CN107546074B (en) | A kind of resilience-proof device of breaker | |
| CN203521342U (en) | Contact system of breaker | |
| CN207587673U (en) | Moving contact component and device for switching may be reversed | |
| CN101859669B (en) | Rotating double-breakpoint structure of circuit breaker | |
| CN208873691U (en) | A kind of structure of contact terminal | |
| CN101986413B (en) | Moving contact clamping mechanism for molded case low-voltage breaker | |
| CN207503898U (en) | A kind of rotary type links double acting contact mechanism and switch disconnector | |
| CN211404313U (en) | Direct-drive insertion type grounding switch contact with buffering and guiding functions | |
| CN212725133U (en) | Switching high-parameter bus conversion current device | |
| CN207458790U (en) | A kind of multipole linkage rotation formula double break contact self-locking device | |
| CN101685731B (en) | Lockable contact component of low-voltage circuit breaker | |
| CN208548329U (en) | The operating mechanism and breaker of breaker | |
| CN203733729U (en) | Moving contact reset mechanism improving circuit breaker opening synchronism | |
| CN203839310U (en) | Breaker | |
| CN106783427A (en) | A kind of moving contact of breaker resilience-proof device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170104 Effective date of abandoning: 20190426 |