CN109509690A - The linkage mechanism of breaker and side-mounted auxiliary contact - Google Patents
The linkage mechanism of breaker and side-mounted auxiliary contact Download PDFInfo
- Publication number
- CN109509690A CN109509690A CN201710840116.XA CN201710840116A CN109509690A CN 109509690 A CN109509690 A CN 109509690A CN 201710840116 A CN201710840116 A CN 201710840116A CN 109509690 A CN109509690 A CN 109509690A
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- Prior art keywords
- linkage
- contact
- mating surface
- breaker
- auxiliary contact
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- 230000013011 mating Effects 0.000 claims abstract description 67
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000003068 static effect Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 8
- 238000005452 bending Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 7
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
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
- H01H71/1009—Interconnected 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
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/46—Automatic release mechanisms with or without manual release having means for operating auxiliary contacts additional to the main contacts
Abstract
A kind of linkage mechanism of breaker and side-mounted auxiliary contact, including the operating mechanism in circuit breaker housing, with the link mechanism of operating mechanism linkage and the driving mechanism for the auxiliary contact being installed on breaker, it further include the linkage to link for realizing link mechanism and driving mechanism, one end of the linkage is contacted with link mechanism to be linked, the other end is contacted with driving mechanism and is rotatably assorted, the first mating surface that driving mechanism is equipped with and linkage is rotatably assorted in breaker closing and separating brake rotation process and the second mating surface cooperated after breaker closing, linkage is equipped with third mating surface corresponding with the first mating surface and the second mating surface.The linkage mechanism of breaker of the present invention and side-mounted auxiliary contact, driving mechanism and linkage during rotation with unused mating surface is respectively adopted after separating brake, the cooperation of driving mechanism and linkage is more reliable and more stable, improves the security performance of breaker and auxiliary contact cooperation.
Description
Technical field
The present invention relates to Low Voltage Electrical Apparatus, in particular to the linkage mechanism of a kind of breaker and side-mounted auxiliary contact.
Background technique
There are many modes that is connected with auxiliary contact attachment in low-tension switch electric appliance product.
The shortcomings that currently used connecting mode and the scope of application:
1. auxiliary contact and main contact contact are supported with the same stroke motion of straight line.Disadvantage: suitable driving mechanism has larger row
The device for switching of journey just can overcome the disadvantages that the fit clearance with auxiliary contact when driving mechanism stroke is larger.
2. auxiliary contact and main contact driving mechanism are rotatable engagement.Disadvantage: the long-term stress of arc surface and contact surface of axis
Contact easily deform, creep, fracture.
In addition, the design of current breaker and the linkage mechanism of side-mounted auxiliary contact is excessively complicated, driving is reduced
The reliability of auxiliary contact increases the complexity of production installation.
Summary of the invention
It is an object of the invention to overcome the deficiencies of existing technologies, a kind of performance safety stabilization is provided, it is simple and compact for structure,
The linkage mechanism of easy-to-mount breaker and side-mounted auxiliary contact.
To achieve the above object, present invention employs following technical solutions:
A kind of linkage mechanism of breaker and side-mounted auxiliary contact, including the intracorporal operating mechanism 11 of breaker A shell, with
The driving mechanism 21 of link mechanism 12 and the auxiliary contact B being installed on breaker A that operating mechanism 11 links, further includes being used for
Realize link mechanism 12 and the linkage 3 that driving mechanism 21 links, one end of the linkage 3 is contacted with link mechanism 12
It is linked, the other end is contacted with driving mechanism 21 and is rotatably assorted, and driving mechanism 21 is equipped with linkage 3 in breaker closing
With the first mating surface 21a being rotatably assorted in separating brake rotation process and the second mating surface 21b cooperated after breaker closing, connection
Dynamic device 3 is equipped with third mating surface 30a corresponding with the first mating surface 21a and the second mating surface 21b.
Further, the auxiliary contact B is installed on a side body of breaker A, and driving mechanism 21 is pivotally connected to auxiliary
It helps on the shell of contact B, driving mechanism 21 extends towards linkage 3 is equipped with interlocking bar 211, and interlocking bar 211 passes through auxiliary touching
Head B shell stretches to outside auxiliary contact B shell to be engaged with linkage 3；One end of the linkage 3 is pivotally mounted to break
It is linked on the shell of road device A and with interlocking bar 211, the other end of linkage 3 extends to the lower section of link mechanism 12, linkage
The lower section of device 3, which is equipped with, provides the reset spring 301 of reseting elasticity for it.
Further, the linkage 3 is equipped with the linkage groove 311 being engaged with interlocking bar 211, link mechanism 12
Lower end is equipped with the connecting rod drive rod 121 cooperated with the other end of linkage 3；First mating surface 21a and the second mating surface 21b are set
In the side wall of interlocking bar 211, the bottom surface for the groove 311 that links forms third mating surface 30a, the cooperation of the first mating surface 21a and second
Face 21b and the bottom surface of linkage groove 311 are engaged.
Further, the first mating surface 21a is arc surface, and the second mating surface 21b is plane, and third mating surface 30a is
Plane.
Further, the driving mechanism 21 is L-shaped structure, including mounting part 212 and mounting part 212 are to side
The extended drive rod 213 of bending, the mounting part 212 extends to side protrusion is equipped with installation convex block 2121, installation
The two sides protrusion of convex block 2121 is equipped with the first pivotal axis 2121a being pivotally connected with auxiliary contact B shell, mounting part 212
The interlocking bar 211 stretched out and cooperated outside auxiliary contact B shell with linkage 3 is equipped with towards the side of linkage 3 protrusion.
Further, the inside for the turning point that the mounting part 212 and drive rod 213 connect is equipped with stiffening plate 214, peace
The outside protrusion for filling turning point and drive rod 213 that fixed part 212 and drive rod 213 connect is equipped with L shape reinforcing rib 215.
Further, the linkage 3 includes the touching of strip being engaged with the connecting rod drive rod 121 of link mechanism 12
The pivot part 32 in hair portion 31 and the Y-shaped for being connected to 31 side of trigger unit, pivot part 32 include connecting oblique section 321 and the oblique section of connection
The oblique pivot end arms 322 extended to two sides in 321 end, every pivot end arms 322 end to side extend be equipped with
It is recessed to be equipped with linkage towards a pivot end arms 322 of driving mechanism 21 for the second pivotal axis 3221 that breaker A shell is pivotally connected
Slot 311.
Further, the trigger unit 31 includes middle part and zigzag shape plate 313 and zigzag shape plate 313 that link mechanism 12 cooperates
The upper surface protrusion of the extension wing 314 extended to two sides, the junction of two pivot end arms 322 is equipped with fitting projection 3222.
Further, middle part is equipped with contact and supports 22 in the shell of the auxiliary contact B, and contact supports the top of 22 two sides
With lower section be equipped with normally open contact and normally closed interlock, normally open contact include be installed on contact support 22 on one group of moving contact 23 and with
The corresponding normally opened static contact 24 of one group of moving contact 23, normally closed interlock include another group of moving contact 23 being installed in contact support 22
The corresponding normally closed static contact 25 with another group of moving contact 23, driving mechanism 21 be set to contact support 22 side and with contact branch
It holds 22 to be linked, contact supports 22 other side is equipped with to support that 22 provide the reaction spring 26 of reseting elasticity for contact, open circuit
Device A switch closing and switch opening drives driving mechanism 21 to convert between normally open contact and normally closed interlock with moving contact support 22.
Further, the contact supports 22 to extend the touching bar 221 for being equipped with and being linked with driving mechanism 21 towards side,
Contact supports 22 to extend the connecting rod 222 for being equipped with and connecting with a spring arm of reaction spring 26 towards the other side.
Further, driving mechanism 21 and the shaft of linkage 3 are axially parallel, and linkage groove 311 is right-angle notch slot, close
The second mating surface 21b of plane and the third mating surface 30a of linkage 311 bottom surface of groove cooperate after lock, and switch closing and switch opening rotated
First mating surface 21a of journey arc surface and the third mating surface 30a of linkage 311 bottom surface of groove cooperate, after separating brake, the first mating surface
21a is resisted against linkage 311 bottom surface of groove.
The linkage mechanism of breaker of the present invention and side-mounted auxiliary contact, driving mechanism and linkage are during rotation
With unused mating surface is respectively adopted after separating brake, the cooperation of driving mechanism and linkage is more reliable and more stable, improve breaker
With the security performance of auxiliary contact cooperation.Driving mechanism and linkage use arc surface and plane to cooperate during rotation,
So that driving mechanism and the more smooth stabilization of linkage rotatable engagement, cooperated after separating brake using plane and plane, driving mechanism
Stable stationary state is kept with linkage.
Detailed description of the invention
Fig. 1 is the structural schematic diagram inside auxiliary contact of the present invention；
The action schematic diagram of linkage when Fig. 2 is breaker open operation of the present invention；
The action schematic diagram of linkage when Fig. 3 is breaker closing of the present invention；
Fig. 4 is the schematic diagram of driving mechanism of the present invention and linkage；
Fig. 5 is the structural schematic diagram of driving mechanism of the present invention；
Fig. 6 is the cooperation schematic diagram of breaker open operation rear drive mechanism and linkage of the present invention；
Fig. 7 is the cooperation schematic diagram of breaker closing rear drive mechanism and linkage of the present invention；
Specific embodiment
Below in conjunction with the embodiment that attached drawing 1 to 7 provides, breaker and side-mounted auxiliary contact of the invention are further illustrated
Linkage mechanism specific embodiment.The linkage mechanism of breaker and side-mounted auxiliary contact of the invention is not limited to following reality
Apply the description of example.
As shown in Figure 1-3, in the linkage mechanism of breaker of the present invention and side-mounted auxiliary contact, including breaker A shell
Operating mechanism 11, with operating mechanism 11 link link mechanism 12 and the auxiliary contact B being installed on breaker A driving machine
Structure 21 further includes the linkage 3 to link for realizing link mechanism 12 and driving mechanism 21.
As shown in Figure 1, the internal structure of auxiliary contact B of the present invention.Middle part is equipped with touching in the shell of the auxiliary contact B
Head supports 22, and contact is supported to be equipped with normally open contact and normally closed interlock above and below 22 two sides, and normally open contact includes being installed on
Contact supports that the one group of moving contact 23 and normally opened static contact 24 corresponding with one group of moving contact 23 on 22, normally closed interlock include installation
Another group of moving contact 23 and normally closed static contact 25 corresponding with another group of moving contact 23 on 22, driving mechanism 21 are supported in contact
It is pivotally connected inside housings, driving mechanism 21 is set to the side of contact support 22 and supports that 22 are linked with contact, contact
Support 22 other side is equipped with to support 22 to provide the reaction spring 26 of reseting elasticity, the driving of breaker A switch closing and switch opening for contact
Driving mechanism 21 is converted between normally open contact and normally closed interlock with moving contact support 22.Specifically, the present invention is shown in figure
Embodiment, contact support that about 22 are equipped with two groups of moving contacts 23 in parallel, the both ends of every group of moving contact be respectively equipped with contact and it is upper,
The normally opened static contact 24 and normally closed static contact 25 of lower two sides are engaged, and when breaker A closes a floodgate, driving mechanism 21 is with moving contact
22 movements upwards are supported, so that one group of normally open contact closure.Moving contact of the invention is by the way of dynamic touching bridge, in dynamic touching bridge
Contact is arranged in both ends and the static contact of two sides cooperates, naturally it is also possible to using the swing type moving contact of single contact.Present invention auxiliary
The internal structure of contact is simple and compact, and performance safety is stablized.
As shown in Figure 1, the contact supports 22 to extend the touching bar for being equipped with and being linked with driving mechanism 21 towards side
221, contact supports 22 to extend the connecting rod 222 for being equipped with and connecting with a spring arm of reaction spring 26 towards the other side.Contact
Support that 22 two sides are respectively equipped with touching bar 221 and connecting rod 222 and contact supports the driving mechanism 21 and reaction spring of two sides
26 cooperations, the internal structure of auxiliary contact is simple and compact, and contact supports that 22 is steady with the cooperation of reaction spring 26 and driving mechanism 21
Gu reliable.
As shown in Fig. 2,3,6,7, the operating mechanism 11 of breaker of the present invention includes the knob and gear of rotatable engagement, rotation
Knob band moving gear rotates, and drive link mechanism 12 drives linkage 3 to rotate.
As illustrated in figs. 2-7, one end of linkage 3 of the present invention is contacted with link mechanism 12 is linked, the other end
It contacts and is rotatably assorted with driving mechanism 21, driving mechanism 21 is equipped with linkage 3 in breaker closing and separating brake rotation process
In the first mating surface 21a being rotatably assorted and the second mating surface 21b cooperated after breaker closing, linkage 3 be equipped with
The first mating surface 21a and corresponding third mating surface 30a of the second mating surface 21b.Breaker of the present invention and side-mounted auxiliary contact
Linkage mechanism, driving mechanism and linkage during rotation with unused mating surface, driving machine are respectively adopted after separating brake
The cooperation of structure and linkage is more reliable and more stable, improves the security performance of breaker and auxiliary contact cooperation.
As shown in Fig. 2-4,6,7, driving mechanism 21 is pivotally connected on the shell of auxiliary contact B, 21 direction of driving mechanism
Linkage 3, which extends, is equipped with interlocking bar 211, and interlocking bar 211 is stretched to outside auxiliary contact B shell across auxiliary contact B shell and connection
Dynamic device 3 is engaged；One end of the linkage 3 is pivotally mounted on the shell of breaker A and links with interlocking bar 211
Cooperation, the other end of linkage 3 extend to the lower section of link mechanism 12, and the lower end of link mechanism 12 is equipped with and linkage 3
The connecting rod drive rod 121 of other end cooperation, the lower section of linkage 3, which is equipped with, provides the reset spring 301 of reseting elasticity for it.Institute
It states linkage 3 and is equipped with the linkage groove 311 being engaged with interlocking bar 211；First mating surface 21a and the second mating surface 21b
Bottom surface set on the side wall of interlocking bar 211, the groove 311 that links forms third mating surface 30a, and the first mating surface 21a and second matches
Conjunction face 21b and the bottom surface of linkage groove 311 are engaged.Connecting rod drive rod 121 is one piece and is pivotally connected on link mechanism 12
Push plate.Interlocking bar 211 protrudes into linkage 311 rotatable engagement of groove, and structure is more reliable and more stable.Obviously, interlocking bar 211 is also direct
Cooperate with linkage 3, without the groove 311 that links is arranged.
Particularly, the first mating surface 21a of the present invention is arc surface, and the second mating surface 21b is plane, third mating surface
30a is plane.Preferably, driving mechanism 21 and the shaft of linkage 3 are axially parallel, and linkage groove 311 is class right-angle notch
Slot, the second mating surface 21b of plane and the third mating surface 30a of linkage 311 bottom surface of groove cooperate after combined floodgate, and switch closing and switch opening turns
First mating surface 21a of arc surface and the third mating surface 30a of linkage 311 bottom surface of groove cooperate during dynamic, after separating brake, first
Mating surface 21a is resisted against linkage 311 bottom surface of groove.Driving mechanism and linkage use arc surface and plane during rotation
Cooperation is cooperated after combined floodgate using plane and plane so that driving mechanism and linkage rotatable engagement more smooth stabilization, driving
Mechanism and linkage keep stable stationary state.Arc surface can also be replaced with involute surface.First mating surface 21a,
Second mating surface 21b and third mating surface 30a can also be using other structure combining forms.
Such as Fig. 4, shown in 5, the structure of driving mechanism 21.The driving mechanism 21 is L like shape structure, including mounting part
212 and the drive rod 213 extended to side bending of mounting part 212, the mounting part 212 prolongs to side protrusion
It stretches and is equipped with installation convex block 2121, the two sides protrusion of installation convex block 2121 is equipped with the first pivot being pivotally connected with auxiliary contact B shell
Shaft 2121a, mounting part 212 are equipped with to stretch out outside auxiliary contact B shell towards the side of linkage 3 protrusion and fill with linkage
Set the interlocking bar 211 of 3 cooperations.Specifically, the inside for the turning point that the mounting part 212 and drive rod 213 connect is equipped with
The outside protrusion for the turning point and drive rod 213 that stiffening plate 214, mounting part 212 and drive rod 213 connect is equipped with L shape and adds
Strengthening tendons 215, the setting of stiffening plate 214 and reinforcing rib 215, so that the structure of driving mechanism 21 is more reliable and more stable.Driving mechanism
21 be individual element, and structure is simple, at low cost, convenient for disassembly and assembly.
As shown in figure 4, the structure of linkage 3.The linkage 3 includes being engaged with link mechanism 12 for strip
Trigger unit 31 and be connected to 31 side of trigger unit Y-shaped pivot part 32, pivot part 32 includes connecting oblique section 321 and connection
The oblique pivot end arms 322 extended to two sides in end of oblique section 321, the end of every pivot end arms 322 extends to side to be set
There is the second pivotal axis 3221 being pivotally connected with breaker A shell, is equipped with connection towards a pivot end arms 322 of driving mechanism 21
Dynamic groove 311, linkage groove 311 are class right-angle notch slot.The trigger unit 31 cooperates including middle part with link mechanism more than 12
The upper surface of the extension wing 314 that font plate 313 and zigzag shape plate 313 extend to two sides, the junction of two pivot end arms 322 is convex
It is equipped with fitting projection 3222 out.Linkage 3 is also individual element, and structure is simple, at low cost, convenient for disassembly and assembly.
Driving mechanism 21 and linkage 3 all use individual element, simplify the structure of linkage mechanism, at low cost, dismounting
Convenient, the movement of linkage mechanism is more reliable and more stable.
Illustrate the action process of the linkage mechanism of breaker and side-mounted auxiliary contact of the invention below:
Shown in Fig. 1,2,3,7, when breaker closing, the connecting rod drive rod 121 of the link mechanism 12 of breaker is moved up,
Reset spring 301 rotates counterclockwise linkage 3 reseting elasticity of linkage 3, drives the driving in auxiliary contact B
Mechanism 21 rotates counterclockwise, and interlocking bar 211 moves up, and driving mechanism 21 supports 22 movements upwards with moving contact, so that one group
Normally open contact is closed, and during breaker closing, the first mating surface 21a and third mating surface 30a are rotatably assorted, and stabilized structure can
It leans on, after breaker closing, the second mating surface 21b and third mating surface 30a stationary state stablize cooperation.
Fig. 2, shown in 6, when breaker open operation, the connecting rod drive rod 121 of the link mechanism 12 of breaker is moved down, connecting rod
The other end that drive rod 121 pushes down on linkage 3 rotates clockwise, and interlocking bar 211 and linkage 3 are released and limited, touching
Head support 22 reaction spring 26 with moving contact support move downward, drive driving mechanism 21 rotate clockwise, interlocking bar 211 to
Lower movement and the bottom surface of the linkage groove 311 of linkage 3 are engaged, during breaker open operation, the first mating surface 21a and
Third mating surface 30a is rotatably assorted, and stabilized structure is reliable.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (10)
1. the linkage mechanism of a kind of breaker and side-mounted auxiliary contact, including the intracorporal operating mechanism of breaker (A) shell (11),
With the link mechanism (12) of operating mechanism (11) linkage and the driving mechanism for the auxiliary contact (B) being installed on breaker (A)
It (21), further include the linkage (3) to link for realizing link mechanism (12) and driving mechanism (21), it is characterised in that: institute
The one end for stating linkage (3) is contacted with link mechanism (12) to be linked, and the other end contacts rotation with driving mechanism (21) and matches
It closes, driving mechanism (21) is equipped with first to be rotatably assorted in breaker closing and separating brake rotation process with linkage (3) and matches
Conjunction face (21a) and the second mating surface (21b) cooperated after breaker closing, linkage (3) are equipped with and the first mating surface
The corresponding third mating surface (30a) of (21a) and the second mating surface (21b).
2. the linkage mechanism of breaker according to claim 1 and side-mounted auxiliary contact, it is characterised in that: the auxiliary
Contact (B) is installed on a side body of breaker (A), and driving mechanism (21) is pivotally connected on the shell of auxiliary contact (B),
Driving mechanism (21) extends towards linkage (3) is equipped with interlocking bar (211), and interlocking bar (211) passes through auxiliary contact (B) shell
It stretches to outside auxiliary contact (B) shell and is engaged with linkage (3)；One end of the linkage (3) is pivotally mounted to break
It is linked on the shell of road device (A) and with interlocking bar (211), the other end of linkage (3) extends to link mechanism (12)
Lower section, the lower section of linkage (3), which is equipped with, provides the reset spring (301) of reseting elasticity for it.
3. the linkage mechanism of breaker according to claim 2 and side-mounted auxiliary contact, it is characterised in that: the linkage
Device (3) is equipped with the linkage groove (311) being engaged with interlocking bar (211), and the lower end of link mechanism (12) is equipped with and linkage
The connecting rod drive rod (121) of the other end cooperation of device (3)；First mating surface (21a) and the second mating surface (21b) are set to linkage
The bottom surface of the side wall of bar (211), linkage groove (311) forms third mating surface (30a), and the first mating surface (21a) and second is matched
Conjunction face (21b) and the bottom surface of linkage groove (311) are engaged.
4. the linkage mechanism of breaker according to claim 1 to 3 and side-mounted auxiliary contact, it is characterised in that: institute
Stating the first mating surface (21a) is arc surface, and the second mating surface (21b) is plane, and third mating surface (30a) is plane.
5. the linkage mechanism of breaker according to claim 1 and side-mounted auxiliary contact, it is characterised in that: the driving
Mechanism (21) is L-shaped structure, including the drive extended to side bending of mounting part (212) and mounting part (212)
Lever (213), the mounting part (212) extends to side protrusion is equipped with installation convex block (2121), installs convex block (2121)
Two sides protrusion be equipped with the first pivotal axis (2121a) for being pivotally connected with auxiliary contact (B) shell, mounting part (212) court
The interlocking bar that outside stretching auxiliary contact (B) shell and linkage (3) cooperates is equipped with to the side of linkage (3) protrusion
(211)。
6. the linkage mechanism of breaker according to claim 5 and side-mounted auxiliary contact, it is characterised in that: the installation
The inside of the turning point of fixed part (212) and drive rod (213) connection is equipped with stiffening plate (214), mounting part (212) and drive
The turning point of lever (213) connection and the outside protrusion of drive rod (213) are equipped with L shape reinforcing rib (215).
7. the linkage mechanism of breaker according to claim 1 and side-mounted auxiliary contact, it is characterised in that: the linkage
Device (3) includes the trigger unit (31) of strip being engaged with the connecting rod drive rod (121) of link mechanism (12) and is connected to
The pivot part (32) of the Y-shaped of trigger unit (31) side, pivot part (32) include connecting oblique section (321) and the oblique section (321) of connection
The oblique pivot end arms (322) extended to two sides in end, every pivot end arms (322) end to side extend be equipped with
The second pivotal axis (3221) that breaker (A) shell is pivotally connected is set towards a pivot end arms (322) of driving mechanism (21)
There are linkage groove (311).
8. the linkage mechanism of breaker according to claim 7 and side-mounted auxiliary contact, it is characterised in that: the triggering
Portion (31) includes that the zigzag shape plate (313) that middle part cooperates with link mechanism (12) and zigzag shape plate (313) prolong to what two sides extended
It stretches the wing (314), the upper surface protrusion of two junctions for pivoting end arms (322) is equipped with fitting projection (3222).
9. the linkage mechanism of breaker according to claim 1 and side-mounted auxiliary contact, it is characterised in that: the auxiliary
Middle part is equipped with contact and supports (22) in the shell of contact (B), and contact is supported to be equipped with normally opened touching above and below (22) two sides
Head and normally closed interlock, normally open contact include be installed on contact support (22) on one group of moving contact (23) and with one group of moving contact
(23) corresponding normally opened static contact (24), normally closed interlock include be installed on contact support another group of moving contact (23) on (22) and
Normally closed static contact (25) corresponding with another group moving contact (23), driving mechanism (21) be set to contact support (22) side and with
Contact supports (22) to be linked, and contact supports the other side of (22) is equipped with to support (22) to provide the counter-force of reseting elasticity for contact
Spring (26), breaker (A) switch closing and switch opening drive driving mechanism (21) band moving contact to support (22) in normally open contact and normally closed
It is converted between contact.
10. the linkage mechanism of breaker according to claim 4 and side-mounted auxiliary contact, it is characterised in that: driving machine
Structure (21) and the shaft of linkage (3) are axially parallel, and linkage groove (311) is right-angle notch slot, the second of plane after combined floodgate
Mating surface (21b) and the third mating surface (30a) of linkage groove (311) bottom surface cooperate, switch closing and switch opening rotation process arc surface
The first mating surface (21a) and the third mating surface (30a) of linkage groove cooperate, after separating brake, the first mating surface (21a) is resisted against
The bottom surface of linkage groove (311).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710840116.XA CN109509690B (en) | 2017-09-14 | 2017-09-14 | Linkage mechanism of breaker and side-mounted auxiliary contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710840116.XA CN109509690B (en) | 2017-09-14 | 2017-09-14 | Linkage mechanism of breaker and side-mounted auxiliary contact |
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| Publication Number | Publication Date |
|---|---|
| CN109509690A true CN109509690A (en) | 2019-03-22 |
| CN109509690B CN109509690B (en) | 2024-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710840116.XA Active CN109509690B (en) | 2017-09-14 | 2017-09-14 | Linkage mechanism of breaker and side-mounted auxiliary contact |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110706970A (en) * | 2019-09-20 | 2020-01-17 | 姚登鹏 | Be used for automatic circuit breaker of distribution network |
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