CN205122503U - Miniature circuit breaker's formula of suppressing wiring structure - Google Patents
Miniature circuit breaker's formula of suppressing wiring structure Download PDFInfo
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- CN205122503U CN205122503U CN201520677819.1U CN201520677819U CN205122503U CN 205122503 U CN205122503 U CN 205122503U CN 201520677819 U CN201520677819 U CN 201520677819U CN 205122503 U CN205122503 U CN 205122503U
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- wire
- circuit breaker
- contact
- miniature circuit
- rectangular port
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Abstract
The utility model discloses a miniature circuit breaker's formula of suppressing wiring structure, inside contact plate and arc -shaped elastic pieces including miniature circuit breaker are equipped with the wire contact arch on the contact plate, it has the rectangular port to open in arc -shaped elastic pieces's one end, are in the fixed welding of arc -shaped elastic pieces's the other end the contact plate on, and detain in the wire contact arch through the rectangular port, with the one end contact of wire wire contact protruding and compress tightly the wire in the wire contact arch through the rectangular port, one side of rectangular port contact wire be the serrated edge. The utility model discloses circuit breaker wiring is that instrument such as screwdriver supports the shell fragment, and the shell fragment dead slot removes, inserts the wire, loosens the screwdriver afterwards, and the shell fragment kick -backs and compresses tightly the wire, and mode of connection easy operation traditional relatively obviously shortens wiring time, solves the problem that traditional miniature circuit breaker need regularly fasten the binding screw, saves the cost.
Description
Technical field
The utility model relates to the mode of connection technical field of circuit breaker, particularly relates to a kind of elastic press type wiring construction of miniature circuit breaker.
Background technology
Miniature circuit breaker uses more a kind of terminal protection electrical equipment.The brand of current miniature circuit breaker is numerous, and structural design also has a lot of difference.General miniature circuit breaker adopts the martingale of screw assemblies crimping, makes it energising.But this mode time is long easily loosening, and operating personnel's moment of torsion used is different in addition, and wiring degree of tightness can be caused to differ, moment of torsion is excessive easily to be damaged circuit breaker, and the too small wire of moment of torsion can crimp not tight.
Screw fastening, owing to not having the bullet flat shim of pretension, runs into the phenomenons such as vibrations in the course of work, and its operating pressure is also change, and thread may be caused to deform, and causes the change of pretightning force-cause screw loosening.Simultaneously larger by some such environmental effects such as temperature, bolt thread, impurity.
Therefore, the mode of connection improving miniature circuit breaker is necessary.
Utility model content
The utility model object is exactly the defect in order to make up prior art, provides a kind of elastic press type wiring construction of miniature circuit breaker.
The utility model is achieved through the following technical solutions:
A kind of elastic press type wiring construction of miniature circuit breaker, include interior contact plate and the arc spring lamination of miniature circuit breaker, contact plate is provided with conductive contact projection, rectangular port is had in one end of arc spring lamination, the other end of arc spring lamination is fixedly welded on described contact plate, and be buckled in conductive contact projection by rectangular port, by protruding for the conductive contact described in the end thereof contacts of wire and by rectangular port, wire is pressed in conductive contact projection, described rectangular port contact wire be serrated edge.
Described arc spring lamination is nickel-silicon-copper alloy shell fragment.
It is fastening that the utility model circuit breaker adopts shell fragment to replace screw assemblies, and shell fragment and contact plate fit together, and the mode of connection is that shell fragment compresses wire and contact plate close contact.Shell fragment compresses conductor wire end and adopts zigzag structure, has and better clamps quality, also can increase the contact area of wire and contact plate.Be applicable to the various sectional area of wire of miniature circuit breaker completely.
The utility model circuit breaker elastic press type mode of connection freedom from vibration is higher, can bear larger impact and be not subject to any infringement for all directions.Under miniature circuit breaker normal running conditions and environmental requirement, long-term stability can be kept.
The utility model has the advantages that: the utility model breaker connection is that the instruments such as screwdriver prop up shell fragment, shell fragment dead slot moves, insert wire, unclamp screwdriver subsequently, shell fragment resilience compresses wire, and relative traditional wired mode is simple to operate, obviously shortens setting up time, solve the problem that conventional small circuit breaker needs regular fastening terminal screw, save cost.
Accompanying drawing explanation
Fig. 1 is miniature circuit breaker overall structure schematic diagram.
Fig. 2 is miniature circuit breaker cut-away view.
Fig. 3 is the utility model structure chart.
Fig. 4 is wire scheme of installation.
Embodiment
As Fig. 1, 2, shown in 3, a kind of elastic press type wiring construction of miniature circuit breaker, include interior contact plate 2 and the arc spring lamination 3 of miniature circuit breaker 1, contact plate 2 is provided with conductive contact projection 4, rectangular port 5 is had in one end of arc spring lamination 3, the other end of arc spring lamination 3 is fixedly welded on described contact plate 2, and be buckled in conductive contact projection 4 by rectangular port 5, by rectangular port 5, wire 6 is pressed in conductive contact projection 4 by protruding for the conductive contact described in the end thereof contacts of wire 64, described rectangular port 5 contact wire 6 while be serrated edge.
Described arc spring lamination 3 is nickel-silicon-copper alloy shell fragment.
The utility model miniature circuit breaker housing interior structure as shown in Figure 2, inside is provided with the effect that spacing fixation spring tab is played in protruding part, under being subject to External Force Acting, shell fragment not easily moves, as shown in Figure 4, arc spring lamination 3 and contact plate 2 weld together, insert from hole (or inserting from upper aperture along direction b) along direction a with instruments such as screwdrivers, shell fragment upper end is stressed, rectangular port moves down, form space, wire 6 is accessed, unclamps screwdriver, shell fragment 3 compresses wire and contact plate 2 close contact.
When adopting the elastic press type mode of connection, adopt corresponding kit when should note 1. operation, as wire stripping pliers, screwdriver etc.; 2. line end wire stripping length performs each specification requirement of wire according to it; 3. must be careful during conducting wire, note after installing checking whether compression, being in place.
Shell fragment material adopts new material nickel-silicon-copper alloy, have mechanical performance high, corrosion-resistant, wear-resisting, can heat, cold pressure processing, nonmagnetic, impact and not easily produce spark, wherein nickel can improve mechanical performance and the corrosion resistance of Cu alloy material, and having good conductivity concurrently, nickel and silicon can form compound N i
2si also can be dissolved in copper, and general nickel and silicon content ratio are 4.5:1, easily obtains better mechanical performance, and can obtain wider processing technology scope, and after solution strengthening process, alloy rigidity and intensity obtain and improves.Which overcoming general shell fragment pushes down insecure, the slightly large shortcoming just easily burnt out of electric current.Make Realization of Product availability, batch production.
Claims (2)
1. the elastic press type wiring construction of a miniature circuit breaker, it is characterized in that: the interior contact plate and the arc spring lamination that include miniature circuit breaker, contact plate is provided with conductive contact projection, rectangular port is had in one end of arc spring lamination, the other end of arc spring lamination is fixedly welded on described contact plate, and be buckled in conductive contact projection by rectangular port, by protruding for the conductive contact described in the end thereof contacts of wire and by rectangular port, wire is pressed in conductive contact projection, described rectangular port contact wire be serrated edge.
2. the elastic press type wiring construction of a kind of miniature circuit breaker according to claim 1, is characterized in that: described arc spring lamination is nickel-silicon-copper alloy shell fragment.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201520677819.1U CN205122503U (en) | 2015-09-01 | 2015-09-01 | Miniature circuit breaker's formula of suppressing wiring structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201520677819.1U CN205122503U (en) | 2015-09-01 | 2015-09-01 | Miniature circuit breaker's formula of suppressing wiring structure |
Publications (1)
Publication Number | Publication Date |
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CN205122503U true CN205122503U (en) | 2016-03-30 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201520677819.1U Active CN205122503U (en) | 2015-09-01 | 2015-09-01 | Miniature circuit breaker's formula of suppressing wiring structure |
Country Status (1)
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CN (1) | CN205122503U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111801559A (en) * | 2018-04-09 | 2020-10-20 | 日本电产科宝电子株式会社 | Fixing device of strain sensor and torque sensor using same |
-
2015
- 2015-09-01 CN CN201520677819.1U patent/CN205122503U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111801559A (en) * | 2018-04-09 | 2020-10-20 | 日本电产科宝电子株式会社 | Fixing device of strain sensor and torque sensor using same |
CN111801559B (en) * | 2018-04-09 | 2022-12-09 | 日本电产科宝电子株式会社 | Fixing device of strain sensor and torque sensor using same |
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