CN204884921U - Circuit of block terminal device that opens and shuts - Google Patents
Circuit of block terminal device that opens and shuts Download PDFInfo
- Publication number
- CN204884921U CN204884921U CN201520649279.6U CN201520649279U CN204884921U CN 204884921 U CN204884921 U CN 204884921U CN 201520649279 U CN201520649279 U CN 201520649279U CN 204884921 U CN204884921 U CN 204884921U
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- CN
- China
- Prior art keywords
- travel switch
- contact
- universal travel
- connecting plate
- terminal
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- Expired - Fee Related
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Abstract
The utility model provides a circuit of block terminal device that opens and shuts belongs to power equipment technical field. It includes electric operating mechanism, first universal travel switch, the universal travel switch of second, the first terminal, the second terminal, the third terminal is respectively through first connecting plate, the second connecting plate, moulded case circuit breaker and knife -edge isolator are connected to the third connecting plate, electric operating mechanism sets up on moulded case circuit breaker, first universal travel switch and the universal travel switch of second set up the both sides at the box, all connect in electric operating mechanism, electric operating mechanism's first contact and second contact connection alternating current power supply's both ends, the first end of fourth contact is connected to the first end of first universal travel switch, the first end of the 5th contact is connected to the first end of the universal travel switch of second, third contact and first universal travel switch's second end, the universal travel switch's of second second end is connected. The utility model discloses an electric operating mechanism circuit opens and shuts, easy operation, long service life.
Description
Technical field
The utility model relates to electrical equipment technical field, particularly a kind of circuit closing device of distribution box.
Background technology
Distribution box is assembled in closed or semiclosed metal safe by electrical wiring requirement by switchgear, measuring instrument, protective device and auxiliary equipment or on screen width, forms low-tension distribution box.Can connect or point deenergizing by manual or automatic switch during normal operation.Circuit or warning is cut off by protective device when fault or irregular operating.Operating various parameter can be shown by means of measuring instrument, also can adjust some electric parameter, point out departing from normal operating conditions or send signal.The purposes of distribution box: reasonably distribute electric energy, the convenient switching action to circuit.There is higher class of safety protection, can the conducting state of display circuit intuitively.The circuit folding of distribution box common is at present all by manual drive and mechanical, operating grip and lever principle is utilized to carry out realizing circuit folding, in the process of folding, need larger operating physical force, and distribution box is usually arranged on higher height, operating personnel's operating difficulties.And when mechanical closing device uses, stationarity is poor, and useful life is shorter.
Utility model content
The purpose of this utility model is to provide a kind of circuit closing device of distribution box, by the folding of motor-operating mechanism realizing circuit, not only simple to operate, and long service life.
The utility model solves the technical scheme that its technical problem adopts:
A circuit closing device for distribution box, it comprises casing, the first terminal, second terminal, 3rd terminal, first connecting plate, second connecting plate, 3rd connecting plate, motor-operating mechanism, knife-shaped isolator, first universal travel switch, second universal travel switch, breaker of plastic casing, described the first terminal, second terminal, 3rd terminal is set in qually spaced in the upper end of casing, described the first terminal is by the first connecting plate connection plastic case circuit breaker and knife-shaped isolator, described second terminal is by the second connecting plate connection plastic case circuit breaker and knife-shaped isolator, described 3rd terminal is by the 3rd connecting plate connection plastic case circuit breaker and knife-shaped isolator, described breaker of plastic casing is arranged on the inner front side of casing, described knife-shaped isolator is arranged on the inner back side of casing, described motor-operating mechanism is arranged on breaker of plastic casing, described first universal travel switch and the second universal travel switch are arranged on the both sides of casing, and be all connected to motor-operating mechanism, described motor-operating mechanism comprises the first contact, second contact, 3rd contact, 4th contact, 5th contact, described first contact is connected the two ends of AC power with the second contact, described first universal travel switch first end connects the first end of the 4th contact, described second universal travel switch first end connects the first end of the 5th contact, the second end of described 3rd contact and the first universal travel switch, second end of the second universal travel switch connects.
Further, the outside of described first connecting plate, the second connecting plate and the 3rd connecting plate is all provided with electro-insulating rubber layer.
Further, the material of the insulating part of described knife-shaped isolator is glass fiber reinforced unsaturated polyester plastic.
Further, described first universal travel switch, the second universal travel switch are spring rod travel switch.
Compared to the prior art the utility model, has the following advantages and effect: the first universal travel switch touched by operating personnel's hand or instrument, distribution box circuit pathways.In use, when needing distribution box circuit, touching the second universal travel switch; motor-operating mechanism realizes the open circuit to breaker of plastic casing, and then artificial by knife-shaped isolator open circuit, achieves duplicate protection; be convenient to maintenance personal overhaul equipment, fail safe is good.The outside of the first connecting plate, the second connecting plate and the 3rd connecting plate is all provided with electro-insulating rubber layer, serves good protective effect, ensure that the long-time normal work of equipment.The material of the insulating part of knife-shaped isolator is glass fiber reinforced unsaturated polyester plastic, and wet-hot aging performance is good, dielectric voltage withstand and mechanical strength good, reasonable price.First universal travel switch, the second universal travel switch are spring rod travel switch, easy to operate, and can realize self-return.The utility model is by the folding of motor-operating mechanism realizing circuit, not only simple to operate, and long service life.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is rearview of the present utility model.
Fig. 3 is the elementary diagram of the utility model motor-operating mechanism.
In figure: 1. casing, 2. the first terminal, 3. the second terminal, 4. the 3rd terminal, 5. the first connecting plate, 6. the second connecting plate, 7. the 3rd connecting plate, 8. motor-operating mechanism, 9. knife-shaped isolator, 10. the first universal travel switch, 11. second universal travel switches, 12. breaker of plastic casing, 13. first contacts, 14. second contacts, 15. the 3rd contacts, 16. the 4th contacts, 17. the 5th contacts.
Embodiment
Below in conjunction with accompanying drawing, also by embodiment, the utility model is described in further detail, and following examples are that the utility model is not limited to following examples to explanation of the present utility model.
As Fig. 1, shown in Fig. 2 and Fig. 3, a kind of circuit closing device of distribution box, it comprises casing 1, the first terminal 2, second terminal 3, 3rd terminal 4, first connecting plate 5, second connecting plate 6, 3rd connecting plate 7, motor-operating mechanism 8, knife-shaped isolator 9, first universal travel switch 10, second universal travel switch 11, breaker of plastic casing 12, described the first terminal 2, second terminal 3, 3rd terminal 4 is set in qually spaced in the upper end of casing 1, described the first terminal 2 is by the first connecting plate 5 connection plastic case circuit breaker 12 and knife-shaped isolator 9, described second terminal 3 is by the second connecting plate 6 connection plastic case circuit breaker 12 and knife-shaped isolator 9, described 3rd terminal 4 is by the 3rd connecting plate 7 connection plastic case circuit breaker 12 and knife-shaped isolator 9.The outside of described first connecting plate 5, second connecting plate 6 and the 3rd connecting plate 7 is all provided with electro-insulating rubber layer, serves good protective effect, ensure that the long-time normal work of equipment.Described breaker of plastic casing 12 is arranged on the inner front side of casing 1, described knife-shaped isolator 9 is arranged on the inner back side of casing 1, and the material of the insulating part of described knife-shaped isolator 9 is glass fiber reinforced unsaturated polyester plastic, and wet-hot aging performance is good, dielectric voltage withstand and mechanical strength good, reasonable price.Described motor-operating mechanism 8 is arranged on breaker of plastic casing 12, described first universal travel switch 10 and the second universal travel switch 11 are arranged on the both sides of casing 1, and be all connected to motor-operating mechanism 8, described motor-operating mechanism 8 comprises the first contact 13, second contact 14, 3rd contact 15, 4th contact 16, 5th contact 17, described first contact 13 is connected the two ends of AC power with the second contact 14, described first universal travel switch 10 first end connects the first end of the 4th contact 16, described second universal travel switch 11 first end connects the first end of the 5th contact 17, second end of described 3rd contact 15 and the first universal travel switch 10, second end of the second universal travel switch 11 connects.The universal travel switch 11 of described first universal travel switch 10, second is spring rod travel switch, easy to operate, and can realize self-return.
By technique scheme, when the circuit closing device of a kind of distribution box of the utility model uses, the first universal travel switch 10 touched by operating personnel's hand or instrument, distribution box circuit pathways.In use, when needing distribution box circuit, touching the second universal travel switch 11; motor-operating mechanism 8 realizes the open circuit to breaker of plastic casing 12, and then artificial by knife-shaped isolator 9 open circuit, achieves duplicate protection; be convenient to maintenance personal overhaul equipment, fail safe is good.The utility model is by the folding of motor-operating mechanism 8 realizing circuit, not only simple to operate, and long service life.
Above content described in this specification is only to the explanation of the utility model example.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment; only otherwise depart from the content of the utility model specification or surmount this scope as defined in the claims, protection range of the present utility model all should be belonged to.
Claims (4)
1. a circuit closing device for distribution box, is characterized in that: it comprises casing, the first terminal, second terminal, 3rd terminal, first connecting plate, second connecting plate, 3rd connecting plate, motor-operating mechanism, knife-shaped isolator, first universal travel switch, second universal travel switch, breaker of plastic casing, described the first terminal, second terminal, 3rd terminal is set in qually spaced in the upper end of casing, described the first terminal is by the first connecting plate connection plastic case circuit breaker and knife-shaped isolator, described second terminal is by the second connecting plate connection plastic case circuit breaker and knife-shaped isolator, described 3rd terminal is by the 3rd connecting plate connection plastic case circuit breaker and knife-shaped isolator, described breaker of plastic casing is arranged on the inner front side of casing, described knife-shaped isolator is arranged on the inner back side of casing, described motor-operating mechanism is arranged on breaker of plastic casing, described first universal travel switch and the second universal travel switch are arranged on the both sides of casing, and be all connected to motor-operating mechanism, described motor-operating mechanism comprises the first contact, second contact, 3rd contact, 4th contact, 5th contact, described first contact is connected the two ends of AC power with the second contact, described first universal travel switch first end connects the first end of the 4th contact, described second universal travel switch first end connects the first end of the 5th contact, the second end of described 3rd contact and the first universal travel switch, second end of the second universal travel switch connects.
2. the circuit closing device of a kind of distribution box according to claim 1, is characterized in that: the outside of described first connecting plate, the second connecting plate and the 3rd connecting plate is all provided with electro-insulating rubber layer.
3. the circuit closing device of a kind of distribution box according to claim 1, is characterized in that: the material of the insulating part of described knife-shaped isolator is glass fiber reinforced unsaturated polyester plastic.
4. the circuit closing device of a kind of distribution box according to claim 1, is characterized in that: described first universal travel switch, the second universal travel switch are spring rod travel switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520649279.6U CN204884921U (en) | 2015-08-26 | 2015-08-26 | Circuit of block terminal device that opens and shuts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520649279.6U CN204884921U (en) | 2015-08-26 | 2015-08-26 | Circuit of block terminal device that opens and shuts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204884921U true CN204884921U (en) | 2015-12-16 |
Family
ID=54829270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520649279.6U Expired - Fee Related CN204884921U (en) | 2015-08-26 | 2015-08-26 | Circuit of block terminal device that opens and shuts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204884921U (en) |
-
2015
- 2015-08-26 CN CN201520649279.6U patent/CN204884921U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20200826 |