CN207441620U - Contact system and the operating device in breaker operating device - Google Patents
Contact system and the operating device in breaker operating device Download PDFInfo
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- CN207441620U CN207441620U CN201721344399.0U CN201721344399U CN207441620U CN 207441620 U CN207441620 U CN 207441620U CN 201721344399 U CN201721344399 U CN 201721344399U CN 207441620 U CN207441620 U CN 207441620U
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- contact
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Abstract
Contact system in breaker operating device, including shell (1), static contact group (2) is fixedly mounted on shell (1), it is characterised in that：Mechanism seat (3) is pivotably attached in the shell (1), moving contact group (4) is pivotably attached to by axis one (5) on mechanism seat (3), tension spring (6) one end is on mechanism seat (3), the other end makes moving contact group (4) be subject to the contact rotated to static contact group (2) direction in moving contact group (4), reaction spring (7) one end is on shell (1), the other end, which is installed in the limiting slot (301) of mechanism seat (3), makes mechanism seat (3) be subject to the thrust away from static contact group (2) direction.The contact apparatus realizes under breaker closing state that tension spring energy storage simultaneously provides contact to the moving contact in closure state and static contact, and entire mechanism structure is simple, and the resiliency characteristics of tension spring are stablized, easy to assembly, cost-effective using tension spring.
Description
Technical field
The utility model belongs to breaker technical field, is exactly specifically the contact system being related in breaker operating device
And the operating device.
Background technology
Breaker is divided into high-voltage circuitbreaker and low-voltage circuit breaker by its use scope.Low-voltage circuit breaker is also known as automatic switch,
It is commonly called as " air switch " and also refers to low-voltage circuit breaker, it is a kind of existing manual switch effect, and can carry out decompression automatically, owe
The electric appliance of pressure, overload and short-circuit protection.It can be used to distribute electric energy, infrequently start asynchronous motor, to power circuit and
The implementations such as motor protect, when they occur it is serious overload or short circuit and it is under-voltage when failures when can automatic shutdown circuit,
Function is equivalent to Fuse switch and crosses the combination of underheat relay etc., and need not generally become after disjunction fault current
More parts have had been widely used.
Chinese patent 201520690716.9 discloses a kind of breaker, including housing, be fixed on housing and it is exposed
Handle outside housing, the operating mechanism being connected with handle；Torque spring is further included, the operating mechanism is supported including contact, institute
It states contact support to be pivoted in housing, the contact is supported to be equipped with torque spring fixing axle, one end that the contact is supported
Equipped with spring arm spacing block set, the first limited post is equipped in the housing, the torque spring is arranged at the torsion bullet of contact support
In spring fixing axle, respectively by the first limited post and the /V of spring arm spacing block set institute after the compression of both ends spring arm；The torque spring
One end spring arm supports one side extension to be equipped with torque spring fixing end to contact, and the contact is supported to be equipped with and torque spring fixing end
Second mounting hole of cooperation.Contact apparatus in the small type circuit breaker operating mechanism is realized by torsional spring structure in breaker closing
During state, torque spring energy store simultaneously provides contact to the moving contact under closure state and static contact, but due to being turned round
The limitation of spring coil number meets the resiliency characteristics for resetting and being configured under conditions of reliability requirement in minimum elastic force, often in maximum work
Occur the problem of elastic force is excessive when deforming, cause contact unstable, the combined floodgate performance of vivid breaker, while torsional spring
Installation operation is complicated, time-consuming.
Utility model content
The purpose of this utility model passes through aiming at the contact apparatus in above-mentioned existing small type circuit breaker operating mechanism
Moving contact when torsional spring structure is to the breaker closing state technological deficiency unstable with the contact that static contact provides, provides
A kind of contact system in breaker operating device realizes the reset after threading off using compression spring structure, compared to torsional spring, pressure
Spring is easily installed, and saves the time, will not be excessive because of stress during subsequent use, and compression spring excessive deformation generates the de-, bullet that jumps
Jump phenomenon；Contact apparatus in circuit breaker operation mechanism realized using tension spring under breaker closing state, tension spring energy storage and to
Moving contact in closure state provides contact with static contact, and entire mechanism structure is simple, and the resiliency characteristics of tension spring are stablized,
It is easy to assembly, it is cost-effective.
Technical solution：
In order to realize above-mentioned technical purpose, the contact system in the breaker operating device of the utility model design, including
Shell, static contact group are fixedly mounted on the shell, it is characterised in that：Mechanism seat is pivotably attached in the shell, moving contact group
It is pivotably attached to by axis one on mechanism seat, on mechanism seat, the other end makes moving contact in moving contact group for tension spring one end
Group is subject to the contact to static contact prescription to rotation, and reaction spring one end fills on the shell, and the other end is installed on mechanism
Seat limiting slot in make mechanism seat be subject to away from static contact prescription to thrust.
Further, the moving contact group includes L phases contact base and N phase contact bases, and L phase moving contacts are installed on L phase contacts
On seat, N phase moving contacts are installed on N phase contact bases, and the L phases contact base and N phases contact base are pivotably attached to by axis one
On mechanism seat on the two sides of mechanism seat, the L phases contact base and N phases contact base are equipped with axis two, the both ends of the axis two
In the irregularly-shaped hole two on irregularly-shaped hole one and N phase contact bases being attached separately on L phase contact bases, tension spring one end is mounted in the limit of mechanism seat
On the boss of position, for the other end on axis two, the axis two can be in the irregularly-shaped hole one and abnormity under tension spring effect
Movement in hole two.
Further, the irregularly-shaped hole one and irregularly-shaped hole two all include arc sector hole, and the both ends of the arc sector hole are fan platform
Shape hole.
Advantageous effect
Contact system in a kind of breaker operating device provided by the utility model is realized using compression spring structure after threading off
Reset, compared to torsional spring, compression spring is easily installed, and saves the time, will not be excessive because of stress during subsequent use,
Compression spring excessive deformation generates the de-, bounce that jumps；Contact apparatus in circuit breaker operation mechanism is realized using tension spring in breaker
Under "on" position, tension spring energy storage simultaneously provides contact, entire mechanism structure to the moving contact in closure state and static contact
Simply, the resiliency characteristics of tension spring are stablized, easy to assembly, cost-effective.
Description of the drawings
Attached drawing 1 is the structure diagram of the utility model embodiment.
Attached drawing 2 is the decomposition texture schematic diagram of the utility model embodiment.
Attached drawing 3 is tension spring mounting structure schematic diagram in the utility model embodiment.
Attached drawing 4 is operating mechanism "on" position structure diagram in the utility model.
Attached drawing 5 is operating mechanism gate-dividing state structure diagram in the utility model.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is described further.
Embodiment
As shown in attached drawing 1,2,4 and 5, the contact system in breaker operating device, including shell 1, static contact group 2 is fixed
On shell 1, mechanism seat 3 is pivotably attached in the shell 1, and moving contact group 4 is pivotably attached to mechanism seat by axis 1
On 3, for 6 one end of tension spring on mechanism seat 3, the other end makes moving contact group 4 be subject to 2 side of static contact group in moving contact group 4
To the contact of rotation, as shown in Figure 3, for 7 one end of reaction spring on shell 1, the other end is installed on mechanism seat 3
Mechanism seat 3 is made to be subject to the thrust away from 2 direction of static contact group in limiting slot 301.
The moving contact group 4 includes L phases contact base 401 and N phases contact base 402, and L phases moving contact 403 is installed on L and touches
On headstock 401, N phases moving contact 404 is installed on N phases contact base 402, and the L phases contact base 401 and N phases contact base 402 are logical
It crosses axis 1 to be pivotably attached on mechanism seat 3 on the two sides of mechanism seat 3, the L phases contact base 401 and N phase contact bases
402 are equipped with axis 2 406, and the both ends of the axis 2 406 are attached separately to the one 401a and N phase contacts of irregularly-shaped hole on L phases contact base 401
In two 402a of irregularly-shaped hole on seat 402, as shown in Figure 3,6 one end of tension spring is another on the positive stop lug boss 302 of mechanism seat 3
On axis 2 406, the axis 2 406 can be in one 401a of irregularly-shaped hole and irregularly-shaped hole under the tension spring 6 effect at end
Movement in two 402a.
One 401a of irregularly-shaped hole and two 402a of irregularly-shaped hole includes arc sector hole 407, the both ends of the arc sector hole 407
For fan platform shape hole 405.
As shown in Figure 4, operation handle 8 is by connecting rod 9 and 10 hinge connection of tripping, 11 points of the tripping 10 and lock
It is not pivoted on mechanism seat 3, when mechanism closes a floodgate, moving contact group 4 and static contact group 2 contact, the tripping 10 and lock
11 hasp connections make cannot be with respect to free movement between tripping 10 and lock 11 and 3 three of mechanism seat；As shown in Figure 5, machine is worked as
During structure separating brake, moving contact group 4 and static contact group 2 separate, the tripping 10 release with the hasp connection of lock 11 make tripping 10 and
Lock 11 recovers being freely rotated compared with mechanism seat 3.
Structure, ratio, size, quantity depicted in the present embodiment institute accompanying drawings etc., only specification to be coordinated to be taken off
The content shown so that those skilled in the art understands and reads, is not limited to the enforceable restriction item of the utility model
Part, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing
Under the effect of the utility model can be generated and the purpose that can reach, should all still it fall in the revealed technology of the utility model
In the range of Rong get Neng is covered.It is meanwhile cited such as " on ", " under ", "left", "right", " centre ", " up time in this specification
The term of pin ", " counterclockwise " etc. is merely convenient to understanding rather than to limit the enforceable scope of the utility model for narration,
Its relativeness is altered or modified, in the case where changing technology contents without essence, when being also considered as the enforceable scope of the utility model.
Claims (3)
1. the contact system in breaker operating device, including shell (1), static contact group (2) is fixedly mounted on shell (1),
It is characterized in that：Mechanism seat (3) is pivotably attached in the shell (1), and moving contact group (4) is pivotably attached to by axis one (5)
On mechanism seat (3), tension spring (6) one end on the mechanism seat (3), the other end make in moving contact group (4) moving contact group (4) by
To the contact rotated to static contact group (2) direction, on shell (1), the other end is installed on for reaction spring (7) one end
Mechanism seat (3) is made to be subject to the thrust away from static contact group (2) direction in the limiting slot (301) of mechanism seat (3).
2. the contact system in breaker operating device as described in claim 1, it is characterised in that：The moving contact group (4)
Including L phases contact base (401) and N phases contact base (402), L phases moving contact (403) is installed on L phases contact base (401), N phases
Moving contact (404) is installed on N phases contact base (402), and the L phases contact base (401) and N phases contact base (402) pass through axis
One (5) are pivotably attached on mechanism seat (3) on the two sides of mechanism seat (3), the L phases contact base (401) and N phase contacts
For seat (402) equipped with axis two (406), the both ends of the axis two (406) are attached separately to the irregularly-shaped hole one on L phases contact base (401)
In irregularly-shaped hole two (402a) on (401a) and N phases contact base (402), tension spring (6) one end is mounted in the positive stop lug boss of mechanism seat (3)
(302) on, for the other end on the axis two (406), the axis two (406) can be described different under the tension spring (6) effect
Movement in shape hole one (401a) and irregularly-shaped hole two (402a).
3. the contact system in breaker operating device as claimed in claim 2, it is characterised in that:The irregularly-shaped hole one
(401a) and irregularly-shaped hole two (402a) all include arc sector hole (407), and the both ends of the arc sector hole (407) are fan platform shape hole
(405)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721344399.0U CN207441620U (en) | 2017-10-18 | 2017-10-18 | Contact system and the operating device in breaker operating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721344399.0U CN207441620U (en) | 2017-10-18 | 2017-10-18 | Contact system and the operating device in breaker operating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207441620U true CN207441620U (en) | 2018-06-01 |
Family
ID=62293648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721344399.0U Active CN207441620U (en) | 2017-10-18 | 2017-10-18 | Contact system and the operating device in breaker operating device |
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|---|---|
| CN (1) | CN207441620U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110534382A (en) * | 2019-09-25 | 2019-12-03 | 周义才 | A kind of DPN air switch or leakage switch dynamic contact mechanism |
-
2017
- 2017-10-18 CN CN201721344399.0U patent/CN207441620U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110534382A (en) * | 2019-09-25 | 2019-12-03 | 周义才 | A kind of DPN air switch or leakage switch dynamic contact mechanism |
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