CN207320039U - A kind of breaker of plastic casing rotary type double-breakpoint structure of contact terminal - Google Patents
A kind of breaker of plastic casing rotary type double-breakpoint structure of contact terminal Download PDFInfo
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- CN207320039U CN207320039U CN201721375658.6U CN201721375658U CN207320039U CN 207320039 U CN207320039 U CN 207320039U CN 201721375658 U CN201721375658 U CN 201721375658U CN 207320039 U CN207320039 U CN 207320039U
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- cover board
- arm
- support cover
- axis
- sliding chutes
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Abstract
The utility model discloses a kind of breaker of plastic casing rotary type double-breakpoint structure of contact terminal, including two pagoda springs, centralized positioning axis, main support cover board, acting arm and auxiliary support cover board；It is main support cover board medial surface be equipped with the location hole of two center symmetric settings, the limit sliding chutes one of two center symmetric settings, two center symmetric settings limited post；Pagoda spring both ends are respectively equipped with first spring arm and second spring arm, in the location hole of first spring arm insertion respective side, second spring arm outer sheath is equipped with the axis of rolling, and the axis of rolling is placed in the start position of the limit sliding chutes one of respective side, acting arm is positioned by both sides limited post at the same time, rotated clockwise after acting arm is opened due to short circuit current flow reprimand, pagoda spring is rotated counterclockwise centered on location hole, while the axis of rolling moves to final position locking along limit sliding chutes one at the same time with the rotation of acting arm；It the advantage is that, be not only simple in structure, dependable performance, and assembling is convenient, can effectively reduce artificial and cost of material.
Description
Technical field
The utility model belongs to low voltage switch field, is touched more particularly, to a kind of breaker of plastic casing rotary type double-breakpoint
Header structure.
Background technology
The research of breaker of plastic casing double breaking points arc extinguishing technology is ripe day by day, and the product of domestic breaker with double breaks and plastic case is opened
Hair also flourishes, with carrying forward vigorously for the New Energy Industries such as photovoltaic generation, wind-power electricity generation, the protection to low-pressure electronic equipment product
Performance And Reliability proposes the requirement of higher, while is limited to the market cost pressure of generation of electricity by new energy operation, to switch member
The cost of part also has attention especially.
When passing through larger current, huge electrodynamic repulsion force can be produced between dynamic/static contact, simultaneous dynamic/static contact
Separate, can produce the electric arc of very big energy between fracture, simultaneously can so needing dynamic/static contact to reach most large opening in the extremely short time
Maintain to stablize.The assembling process of double breaks and plastic shell product, production technology are generally more complicated currently on the market, it is difficult to which it is excellent to occupy cost
Gesture, under the pressure of high cost, the market application with the double breaks and plastic case of excellent properties is made slow progress.
The content of the invention
The utility model aim is：Offer one kind is not only simple in structure, is workable, dependable performance, and assembles just
Victory, can effectively reduce the breaker of plastic casing rotary type double-breakpoint structure of contact terminal of cost of labor and cost of material.
The technical solution of the utility model is：A kind of breaker of plastic casing rotary type double-breakpoint structure of contact terminal, including two pagodas
Spring, centralized positioning axis, and main support cover board, acting arm and the auxiliary support cover board being set in successively on centralized positioning axis, and
Two pagoda springs are placed between main support cover board and auxiliary support cover board and are located at acting arm both sides respectively；In the main support cover board
Medial surface be equipped with the location hole of two center symmetric settings, the limit sliding chutes one of two center symmetric settings, two center symmetric settings
Limited post；The pagoda spring both ends are respectively equipped with first spring arm and second spring arm, the first spring arm insertion pair
Answer in the location hole of side, the second spring arm outer sheath is equipped with the axis of rolling, and the axis of rolling is placed in the spacing cunning of respective side
The start position of groove one, while the acting arm is positioned by both sides limited post, when acting arm due to short circuit current flow reprimand is opened after it is suitable
Hour hands rotate, and the pagoda spring rotates counterclockwise centered on location hole, at the same the axis of rolling with the rotation of acting arm and
At the same time final position locking is moved to along limit sliding chutes one.
As preferable technical solution, the limit sliding chutes two of two center symmetric settings are equipped with the acting arm both sides, when
When acting arm locks, the axis of rolling is placed in the final position of the limit sliding chutes two of respective side, when main support cover board turns clockwise
Dynamic, the second spring arm of the pagoda spring promotes the axis of rolling to move to start position along limit sliding chutes two.
As preferable technical solution, the gear equipped with two center symmetric settings on the medial surface of the main support cover board
Block, and two blocks are respectively positioned at two limited posts outside.
As preferable technical solution, the main support cover board is fixedly connected with the auxiliary support cover board, and described dynamic tactile
Arm both ends are extended to outside main support cover board and auxiliary support cover board.
As preferable technical solution, the limit sliding chutes one are triangle limit sliding chutes.
As preferable technical solution, the limit sliding chutes two are strip groove.
The utility model has the advantages that：
1. the utility model in separating brake and is limited using the pagoda spring end pressure required when closing a floodgate as acting arm
Position sliding slot one, which coordinates, realizes self-locking limit, not only act as the transmission side of end pressure, but also act as the sliding effect and rotational work of axis
Can, it is not only simple in structure, is workable, dependable performance, and under conditions of equal performance, amount of parts is more conventional should
A quarter has been lacked in the design of device, its assembling process is produced without manual being made by manufacturers or users can be achieved by frock clamp
Efficiency significantly improves, and production cost is minimized；
2. the acting arm both sides of the utility model are equipped with the limit sliding chutes two of two center symmetric settings, match somebody with somebody with pagoda spring
Close, without structures such as external auxiliary cam, rocking arms, you can realize that limit self lives function, while utilize pagoda spring
Positioning, rotating function and radial stability, be that pressure can be achieved without auxiliary equipment such as additional guiding groove or gag lever posts
There is provided and stablize；
3. the utility model is relatively closed using the cooperation of main support cover board, auxiliary support cover board and acting arm, formation one
Space, and pagoda spring is protected by the isolation in this space, in breaking current, electric arc can impact substantially, so meeting with
Pagoda spring after breaking arc impact is almost without any damage, force value stabilization；
4. the utility model can denounce out as early as possible when breaker runs into larger short circuit current flow, provided most with the shortest time
Large opening creates conditions for arc extinction.
Brief description of the drawings
The utility model is further described with reference to the accompanying drawings and embodiments：
Fig. 1 is the overall structure exploded perspective view of the utility model；
Fig. 2 is the utility model "on" position schematic internal view；
Fig. 3 is the utility model self-locking state schematic internal view；
Fig. 4 is the main Supporting cover intralamellar part outline drawing of the utility model；
Fig. 5 is the acting arm schematic diagram of the utility model；
Fig. 6 is the pagoda spring schematic diagram of the utility model；
Wherein：1 pagoda spring, 11 first spring arms, 12 second spring arms, 2 centralized positioning axis, 3 main support cover boards, 31 is fixed
Position hole, 32 limit sliding chutes one, 33 limited posts, 34 blocks, 4 acting arms, 41 limit sliding chutes two, 5 auxiliary support cover boards, 6 axis of rolling.
Embodiment
Embodiment：Referring to figs. 1 to shown in 6, a kind of breaker of plastic casing rotary type double-breakpoint structure of contact terminal, including two pagoda bullets
Spring 1, centralized positioning axis 2, and main support cover board 3, acting arm 4 and the auxiliary support cover board being set in successively on centralized positioning axis 2
5, and two pagoda springs 1 are placed between main support cover board 3 and auxiliary support cover board 5 and are located at 4 both sides of acting arm respectively；In main support
The medial surface of cover board 3 is equipped with the location hole 31 of two center symmetric settings, the limit sliding chutes 1 of two center symmetric settings, two centers
Symmetrically arranged limited post 33；1 both ends of pagoda spring are respectively equipped with first spring arm 11 and second spring arm 12, first spring arm
In the location hole 31 of 11 insertion respective sides, 11 outer sheath of second spring arm is equipped with the axis of rolling 6, and the axis of rolling 6 is placed in respective side
The start position of limit sliding chutes 1, while acting arm 4 is positioned by both sides limited post 33, when acting arm 4 is due to short circuit current flow
Reprimand rotates clockwise after opening, and pagoda spring 1 is rotated counterclockwise centered on location hole 31, while the axis of rolling 6 is with the rotation of acting arm 4
Then final position locking is moved to along limit sliding chutes 1 at the same time.
The utility model is equipped with the limit sliding chutes 2 41 of two center symmetric settings in 4 both sides of acting arm, when acting arm 4 locks
When, the axis of rolling 6 is placed in the final position of the limit sliding chutes 2 41 of respective side, supports cover board 3 to rotate clockwise when main, pagoda spring
1 second spring arm 12 promotes the axis of rolling 6 to move to start position along limit sliding chutes 2 41, the unique song of its limit sliding chutes 2 41
Locked position of coupler after face angle degree is also opened for the utility model reprimand recovers to normal position to provide good movement guide.
The utility model is equipped with the block 34 of two center symmetric settings, and two blocks on the medial surface of main support cover board 3
34 respectively positioned at the outside of two limited post 33.
The main support cover board 3 of the utility model is fixedly connected with auxiliary support cover board 5, and 4 both ends of acting arm extend to main branch
Support outside cover board 3 and auxiliary support cover board 5, while limit sliding chutes 1 are triangle limit sliding chutes, limit sliding chutes 2 41 are bar shaped
Groove.
When another key value of the utility model is that breaker runs into larger short circuit current flow, it is desirable to which switch can denounce as early as possible
Open and created conditions using shortest time offer most large opening as arc extinction.Produced in structure using acting arm 4 when being segmented high current
Raw electrodynamic repulsion force directly acts on the axis of rolling 6 and second spring arm 12, and pagoda spring 1 is moved with the rotation of acting arm 4
Dynamic, the axis of rolling 6 being sleeved at this time in second spring arm 12 is rolled to 4 center position of acting arm, is ultimately moved to Fig. 3 positions, is reached
Opened to the reprimand of acting arm 4 and lock purpose certainly, from the realization of locking, make use of the design principle for crossing dead point in mechanics, make its steady
The qualitative stabilization that fundamentally ensure that self-locking limit, as shown in figure 3, whole directed force Fs of pagoda spring 1 are touched dynamic at this time
The opposite side of 4 central point O of arm；Lever principle is utilized at the same time, is recovered when the utility model is switched off the drive of device mechanism to normal
During position, it is also less, the i.e. as shown in Figure 3 movement of main support cover board 3 more smoothly with the cooperation of mechanism that it, which acts on resistance,
Also make rotation fortune with main support cover board 3 along shown by arrow azimuthal rotational motion, the at this time first spring arm 11 of pagoda spring 1 in track
It is dynamic, and when the axis of rolling 6 directed force F radially across acting arm 4 central point O when, the second spring arm 12 of pagoda spring 1 will
Its axis of rolling 6 coordinated can be promoted to carry out rolling reach, finally terminate in the spacing of limited post 33 with the rotation of acting arm 4
Face, the axis of rolling 6 and second spring arm 12 are placed in the limit sliding chutes 1 of respective side and the start position of limit sliding chutes 2 41.
Above-described embodiment is only the technical concepts and features for illustrating the utility model, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement according to this, the scope of protection of the utility model can not be limited with this.
All equivalent change or modifications made according to the utility model Spirit Essence, should all cover the scope of protection of the utility model it
It is interior.
Claims (6)
1. a kind of breaker of plastic casing rotary type double-breakpoint structure of contact terminal, it is characterised in that including two pagoda springs（1）, center is fixed
Position axis（2）, and centralized positioning axis is set in successively（2）On main support cover board（3）, acting arm（4）With auxiliary support cover board
（5）, and two pagoda springs（1）It is placed in main support cover board（3）With auxiliary support cover board（5）Between and be located at acting arm respectively（4）Two
Side；
In the main support cover board（3）Medial surface be equipped with two center symmetric settings location hole（31）, two center symmetric settings
Limit sliding chutes one（32）, two center symmetric settings limited post（33）；The pagoda spring（1）Both ends are respectively equipped with the first bullet
Spring arm（11）And second spring arm（12）, the first spring arm（11）It is inserted into the location hole of respective side（31）It is interior, described second
Spring arm（12）Outer sheath is equipped with the axis of rolling（6）, and the axis of rolling（6）It is placed in the limit sliding chutes one of respective side（32）Starting point
Position, while the acting arm（4）Pass through both sides limited post（33）Positioning, works as acting arm（4）Due to short circuit current flow reprimand open it is rear suitable
Hour hands rotate, the pagoda spring（1）With location hole（31）Centered on rotate counterclockwise, while the axis of rolling（6）It is servo-actuated to touch
Arm（4）Rotation and at the same time along limit sliding chutes one（32）Move to final position locking.
2. breaker of plastic casing rotary type double-breakpoint structure of contact terminal according to claim 1, it is characterised in that described dynamic tactile
Arm（4）Both sides are equipped with the limit sliding chutes two of two center symmetric settings（41）, work as acting arm（4）During locking, the axis of rolling（6）Put
In the limit sliding chutes two of respective side（41）Final position, when main support cover board（3）Rotate clockwise, the pagoda spring（1）
Second spring arm（12）Promote the axis of rolling（6）Along limit sliding chutes two（41）Move to start position.
3. breaker of plastic casing rotary type double-breakpoint structure of contact terminal according to claim 1, it is characterised in that in the main branch
Support cover board（3）Medial surface be equipped with two center symmetric settings block（34）, and two blocks（34）It is located at two limited posts respectively
（33）Outside.
4. breaker of plastic casing rotary type double-breakpoint structure of contact terminal according to claim 1, it is characterised in that the main support
Cover board（3）With the auxiliary support cover board（5）It is fixedly connected, and the acting arm（4）Both ends extend to main support cover board（3）With it is auxiliary
Support cover board（5）It is exterior.
5. breaker of plastic casing rotary type double-breakpoint structure of contact terminal according to claim 1, it is characterised in that the spacing cunning
Groove one（32）For triangle limit sliding chutes.
6. breaker of plastic casing rotary type double-breakpoint structure of contact terminal according to claim 2, it is characterised in that the spacing cunning
Groove two（41）For strip groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721375658.6U CN207320039U (en) | 2017-10-24 | 2017-10-24 | A kind of breaker of plastic casing rotary type double-breakpoint structure of contact terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721375658.6U CN207320039U (en) | 2017-10-24 | 2017-10-24 | A kind of breaker of plastic casing rotary type double-breakpoint structure of contact terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207320039U true CN207320039U (en) | 2018-05-04 |
Family
ID=62382277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721375658.6U Active CN207320039U (en) | 2017-10-24 | 2017-10-24 | A kind of breaker of plastic casing rotary type double-breakpoint structure of contact terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207320039U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107578967A (en) * | 2017-10-24 | 2018-01-12 | 法泰电器（江苏）股份有限公司 | A kind of breaker of plastic casing rotary type double-breakpoint structure of contact terminal |
| CN113539755A (en) * | 2020-04-17 | 2021-10-22 | 北京人民电器厂有限公司 | Circuit breaker |
-
2017
- 2017-10-24 CN CN201721375658.6U patent/CN207320039U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107578967A (en) * | 2017-10-24 | 2018-01-12 | 法泰电器（江苏）股份有限公司 | A kind of breaker of plastic casing rotary type double-breakpoint structure of contact terminal |
| CN107578967B (en) * | 2017-10-24 | 2020-08-14 | 法泰电器（江苏）股份有限公司 | Rotary double-breakpoint contact structure of molded case circuit breaker |
| CN113539755A (en) * | 2020-04-17 | 2021-10-22 | 北京人民电器厂有限公司 | Circuit breaker |
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