CN205645726U - Moulded case circuit breaker operating device protection device - Google Patents
Moulded case circuit breaker operating device protection device Download PDFInfo
- Publication number
- CN205645726U CN205645726U CN201620456689.3U CN201620456689U CN205645726U CN 205645726 U CN205645726 U CN 205645726U CN 201620456689 U CN201620456689 U CN 201620456689U CN 205645726 U CN205645726 U CN 205645726U
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- base
- circuit breaker
- operating device
- static contact
- protection device
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Abstract
The utility model provides a moulded case circuit breaker operating device protection device, includes the base, and protection device is installed to the mains side part of base, is provided with the track groove in the middle of the base, and the track inslot inserts gliding door shape spacer along its about, is provided with the arc extinction insulating frame on being located a base of shape spacer one end, is provided with the static contact in the arc extinction insulating frame, and the upper portion that is located the static contact is provided with the moving contact, and the moving contact passes a hole at shape spacer middle part, it is provided with operating device group on the base of the shape spacer other end to be located, the top installation upper cover of base. The mains side of looks ( operating device looks) increases a door shape spacer the moulded case circuit breaker in the middle of, installs in between circuit breaker pedestal's middle looks arc extinction insulating frame and the operating device group and be located upper cover rib rear, and passing -through door shape spacer will move, the static contact separates with operating device group, thereby moves when preventing the short circuit, metal particles that static contact arcing produced gets into the dead circuit breaker of messenger mechanism of operating device group card can't the regular event.
Description
Technical field
This utility model relates to low voltage electrical apparatus technology field, especially a kind of moulded case circuit breaker operation mechanism protection device, when short circuit, operating mechanism is played protection.
Background technology
Chopper is protection important in low voltage electric network and controls one of element, and its main task is to turn on the electric current under the conditions of carrying and separating brake normal circuit, protects electric equipment without damage when short circuit.Therefore, chopper is in addition to needing short-circuit breaking capacity and perfect protection feature, in addition it is also necessary to complete the operation of reliable closed and disconnected.Mold cased circuit breaker is a kind of safe and reliable, economic low-voltage circuit breaker, is widely used to each power industry.When a short circuit occurs, chopper should be able to the short circuit current of disjunction reliably can continue to come into operation getting rid of after hidden danger, if the stuck meeting of operating mechanism cause after circuit breaker short circuit can not normal occlusion separating brake, thus short-circuit protection function or the recovery of impact power supply can not be played.
Utility model content
The applicant is for the shortcoming in above-mentioned existing production technology; a kind of moulded case circuit breaker operation mechanism protection device rational in infrastructure is provided; so that breaker of plastic casing will not cause mechanism blockage because of the metallic entrance operating mechanism group that dynamic and static contact arcing during short circuit produces; thus carry out more structurally sound disjunction, it is ensured that safe action.
The technical scheme that this utility model is used is as follows:
A kind of moulded case circuit breaker operation mechanism protection device; including base; the mains side part protection device for installing of described base; it is provided with rail groove in the middle of described base; described rail groove is inserted into the door shape partition slided up and down along it, is positioned on a base of shape partition one end and is provided with extinguishing arc insulating frame, is provided with static contact in described extinguishing arc insulating frame; the top being positioned at static contact is provided with moving contact, and described moving contact passes the hole in the middle part of door shape partition；It is positioned on a base of the shape partition other end and is provided with operating mechanism group；Upper cover is installed at the top of described base.
Further improvement as technique scheme:
The structure of described door shape partition is: including that partition body, the middle part of described partition body have square opening, the two ends of described partition body are respectively arranged with step.
The beneficial effects of the utility model are as follows:
This utility model compact conformation, rationally, easy to operate, mains side in breaker of plastic casing mesophase (operating mechanism phase) increases door shape partition, it is installed between mesophase extinguishing arc insulating frame and the operating mechanism group of circuit breaker base and is positioned at upper cover rib rear, being separated with operating mechanism group by dynamic and static contact by door shape partition, the metallic that when preventing short circuit, dynamic and static contact arcing produces enters operating mechanism group and makes mechanism blockage thus chopper cannot be operating normally.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model (omission upper cover).
Fig. 2 is the structural representation of door shape partition of the present utility model.
Fig. 3 is that this utility model base gets on the right track the structural representation of groove.
Fig. 4 is the partial enlarged drawing in A portion in Fig. 3.
Fig. 5 is the structural representation (omission moving contact) of this utility model base.
Fig. 6 is the cut-away illustration of this utility model side.
Wherein: 1, base；101, rail groove；2, moving contact；3, extinguishing arc insulating frame；4, operating mechanism group；5, door shape partition；501, partition body；502, square opening；503, step；6, static contact；7, upper cover.
Detailed description of the invention
Below in conjunction with the accompanying drawings, detailed description of the invention of the present utility model is described.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6; the moulded case circuit breaker operation mechanism protection device of the present embodiment; including base 1; the mains side part protection device for installing of base 1; it is provided with rail groove 101 in the middle of base 1; rail groove 101 is inserted into the door shape partition 5 slided up and down along it; it is positioned on a base 1 of shape partition 5 one end and is provided with extinguishing arc insulating frame 3; static contact 6 it is provided with in extinguishing arc insulating frame 3; the top being positioned at static contact 6 is provided with moving contact 2, and moving contact 2 passes the hole in the middle part of door shape partition 5；It is positioned on a base 1 of shape partition 5 other end and is provided with operating mechanism group 4；Upper cover 7 is installed at the top of base 1.
As in figure 2 it is shown, the structure of door shape partition 5 is: including that partition body 501, the middle part of partition body 501 have square opening 502, the two ends of partition body 501 are respectively arranged with step 503.Square opening 502 facilitates the installation of moving contact 2, and the design of step 503 convenient cooperation with rail groove 101 abuts.
Moulded case circuit breaker operation mechanism device protection device of the present utility model; it is positioned at circuit breaker base 1 mains side; moving contact 2 passes from the hole of the door shape partition 5 of operating mechanism protection device; it is positioned in the middle of extinguishing arc insulating frame 3 and operating mechanism group 4 and the rib rear of upper cover 7; the metallic produced when can effectively intercept short circuit enters operating mechanism group 4 backward, cannot normal operating after preventing mechanism blockage.
nullDuring actually used，Moulded case circuit breaker operation mechanism protection device of the present utility model is door shape partition 5，Simple in construction，Easy for installation，Low cost，Door shape partition 5 is snapped in the rail groove 101 of the base 1 shown in Fig. 3，By door shape partition 5 effectively moving contact 2、Static contact 6 is separated with the operating mechanism group 4 of back，When a short circuit occurs，Moving contact 2 and static contact 6 moment open，Door shape partition 5 is with upper shifting upward sliding in rail groove 101 of moving contact 2，The space produced after separating because of moving contact 2 and static contact 6 separates with the operating mechanism group 4 of rear end，Now create metallic due to substantial amounts of electric arc and heat between moving contact 2 and static contact 6，The metallic produced can be kept off outside operating mechanism group 4 by door shape partition 5，So that chopper can divide operation with normal occlusion after being short-circuited.Utilize breaker of plastic casing of the present utility model, can effectively avoid the generation that operating mechanism is stuck, safe and reliable to guarantee the short-circuit protection function of chopper.
Above description is to explanation of the present utility model, is not the restriction to utility model, and this utility model limited range sees claim, within protection domain of the present utility model, can make any type of amendment.
Claims (2)
1. a moulded case circuit breaker operation mechanism protection device, it is characterized in that: include base (1), the mains side part protection device for installing of described base (1), it is provided with rail groove (101) in the middle of described base (1), described rail groove (101) is inserted into door shape partition (5) slided up and down along it, it is positioned on the base (1) of shape partition (5) one end and is provided with extinguishing arc insulating frame (3), it is provided with static contact (6) in described extinguishing arc insulating frame (3), the top being positioned at static contact (6) is provided with moving contact (2), described moving contact (2) is through the hole at door shape partition (5) middle part；It is positioned on the base (1) of shape partition (5) other end and is provided with operating mechanism group (4)；Upper cover (7) is installed at the top of described base (1).
2. moulded case circuit breaker operation mechanism protection device as claimed in claim 1; it is characterized in that: the structure of described door shape partition (5) is: include partition body (501); the middle part of described partition body (501) has square opening (502), and the two ends of described partition body (501) are respectively arranged with step (503).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620456689.3U CN205645726U (en) | 2016-05-19 | 2016-05-19 | Moulded case circuit breaker operating device protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620456689.3U CN205645726U (en) | 2016-05-19 | 2016-05-19 | Moulded case circuit breaker operating device protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205645726U true CN205645726U (en) | 2016-10-12 |
Family
ID=57056916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620456689.3U Active CN205645726U (en) | 2016-05-19 | 2016-05-19 | Moulded case circuit breaker operating device protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205645726U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107564780A (en) * | 2017-09-28 | 2018-01-09 | 成都科创城科技有限公司 | A kind of damp proof breaker of plastic casing with mechanical interlocking protector of protection against the tide |
-
2016
- 2016-05-19 CN CN201620456689.3U patent/CN205645726U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107564780A (en) * | 2017-09-28 | 2018-01-09 | 成都科创城科技有限公司 | A kind of damp proof breaker of plastic casing with mechanical interlocking protector of protection against the tide |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |