CN201732742U - Small circuit breaker - Google Patents
Small circuit breaker Download PDFInfo
- Publication number
- CN201732742U CN201732742U CN2010202805356U CN201020280535U CN201732742U CN 201732742 U CN201732742 U CN 201732742U CN 2010202805356 U CN2010202805356 U CN 2010202805356U CN 201020280535 U CN201020280535 U CN 201020280535U CN 201732742 U CN201732742 U CN 201732742U
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- China
- Prior art keywords
- inlet wire
- outlet
- face
- connecting plate
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a small circuit breaker. The connecting plates of the small circuit breaker consist of an incoming wire connecting plate and an outgoing wire connecting plate. The incoming wire connecting plate is bent to form an incoming wire through hole surface, an incoming wire side surface, an incoming wire pressing surface, a U-shaped surface and an incoming wire internal connecting surface. The outgoing wire connecting plate is bent for three times to form an outgoing wire through hole surface, an outgoing wire side surface, an outgoing wire pressing surface and an outgoing wire internal connecting surface. By adopting the shapes, the utility model has the advantages that the area of the connecting plates is large enough, the resistance of the connecting plates is increased, the current is reduced, the temperature increasing speed of the connecting plates is decreased and the temperature of the connecting plates is prevented from being too high to affect the reliability of the small circuit breaker.
Description
Technical field
The utility model relates to a kind of miniature circuit breaker.
Background technology
The connecting plate of miniature circuit breaker is generally the L type, and area is less, and the temperature of connecting plate can raise fast when running into big electric current, causes near the miniature circuit breaker casing deformation connecting plate or the connecting plate, influences the reliability of miniature circuit breaker.
Summary of the invention
The purpose of this utility model is to overcome the defective of prior art, provides a kind of connecting plate temperature rise slower, more reliable and more stable miniature circuit breaker.
For achieving the above object, the utility model adopts a kind of miniature circuit breaker, comprise loam cake, base, operating system, tripping mechanism, arc quenching system, operating grip, binding post, connecting plate, binding post is arranged in the connecting groove of base two ends formation, connecting plate one end passes binding post, the connecting plate of miniature circuit breaker is divided into inlet wire connecting plate and outlet connecting plate, the inlet wire connecting plate forms inlet wire through hole face by bending, the inlet wire side, inlet wire crimping face, the U profile, connect face in the inlet wire, inlet wire through hole face center is formed with circular inlet wire through hole, inlet wire through hole face and inlet wire crimping face are arranged on the frame type that two ends, inlet wire side form one one side opening, inlet wire crimping face passes the binding post setting of end of incoming cables, the inlet wire crimping face other end is the U profile, the U profile is shaped as the U type, U profile opening is vertically towards inlet wire crimping face, relative inlet wire connecting plate arranged outside has silver contact on the U profile, and oblique outer the extension in the formation inlet wire in top, the U profile outside connects face; The outlet connecting plate forms in line three-way hole face, outlet side, outlet crimping face, the outlet by bending and connects face, go out line three-way hole face center and be formed with the circular line three-way hole that goes out, go out line three-way hole face and outlet crimping face and be arranged on the frame type that two ends, outlet side form one one side opening, outlet crimping face passes the binding post setting of leading-out terminal, and the face that connects in the outlet is arranged on outlet crimping face one end perpendicular to outlet crimping face and towards going out the line three-way hole face; The base two ends form inlet wire connecting groove that binding post and inlet wire connecting plate are installed and the outlet connecting groove that binding post and outlet connecting plate are installed respectively, the inlet wire connecting groove be provided with the inlet wire through-hole groove suitable, inlet wire crimp groove with the inlet wire connecting plate and with the suitable projection of U profile, the outlet connecting groove is provided with the outlet through-hole groove suitable with the outlet connecting plate, outlet crimp groove.
The structure of connecting plate adopts this shape can make the area of connecting plate enough big, and the resistance of connecting plate is increased, and electric current reduces, and reduces the speed that the connecting plate temperature raises, and makes the temperature of connecting plate be unlikely to the too high reliability that influences miniature circuit breaker.
The utility model further is set to inlet wire through-hole diameter on the described inlet wire connecting plate inlet wire through hole face greater than the diameter of the screw main body of housing pin on the binding post, less than the diameter of the screw end cap of housing pin; Described outlet connecting plate goes out outlet through-hole diameter on the line three-way hole face greater than the diameter of the screw main body of housing pin on the binding post, less than the diameter of the screw end cap of housing pin.
Description of drawings
Fig. 1 is the assembling schematic diagram after the utility model embodiment removes loam cake.
Fig. 2 is the upward view of the utility model embodiment inlet wire connecting plate.
Fig. 3 is the front view of the utility model embodiment inlet wire connecting plate.
Fig. 4 is the vertical view of the utility model embodiment inlet wire connecting plate.
Fig. 5 is the upward view of the utility model embodiment outlet connecting plate.
Fig. 6 is the front view of the utility model embodiment outlet connecting plate.
Fig. 7 is the vertical view of the utility model embodiment outlet connecting plate.
Embodiment
Shown in Fig. 1-7, specific embodiment of the utility model is a kind of miniature circuit breaker, comprise loam cake, base 1, operating system, tripping mechanism, arc quenching system, operating grip, binding post 2, connecting plate, binding post 2 is arranged on the connecting groove (11 that the base two ends form, 12) in, the connecting plate of miniature circuit breaker is divided into inlet wire connecting plate 3 and outlet connecting plate 4, inlet wire connecting plate 3 forms inlet wire through hole face 31 through four bendings, inlet wire side 32, inlet wire crimping face 33, U profile 34, connect face 35 in the inlet wire, inlet wire through hole face center is formed with circular inlet wire through hole 37, inlet wire through hole 37 diameters on the inlet wire through hole face 31 are greater than the diameter of the screw main body of housing pin 21 on the binding post 2, diameter less than the screw end cap of housing pin, inlet wire through hole face 31 and inlet wire crimping face 33 are arranged on the frame type that 32 two ends, inlet wire side form one one side opening, the binding post 2 that inlet wire crimping face 33 passes the end of incoming cables is provided with, inlet wire crimping face 33 other ends are U profile 34, U profile 34 is shaped as the U type, U profile opening is vertically towards inlet wire crimping face 33, relative inlet wire connecting plate 3 arranged outside have silver contact 36 on the U profile 34, and oblique outer the extension in the formation inlet wire in top, U profile 34 outside connects face 35; Outlet connecting plate 4 forms line three-way hole face 41 through three bendings, outlet side 42, outlet crimping face 43, connect face 44 in the outlet, go out line three-way hole face 41 centers and be formed with the circular line three-way hole 45 that goes out, go out and go out the diameter of line three-way hole 45 diameters on the line three-way hole face 41 greater than the screw main body of housing pin 21 on the binding post 2, diameter less than the screw end cap of housing pin, go out line three-way hole face 41 and outlet crimping face 43 and be arranged on the frame type that 42 two ends, outlet side form one one side opening, the binding post 2 that outlet crimping face 43 passes leading-out terminal is provided with, and connects face 44 in the outlet and is arranged on outlet crimping face 43 1 ends perpendicular to outlet crimping face 43 and towards going out line three-way hole face 41; The base two ends form inlet wire connecting groove 11 that binding post 2 and inlet wire connecting plate 3 are installed and the outlet connecting groove 12 that binding post 2 and outlet connecting plate 4 are installed respectively, inlet wire connecting groove 11 be provided with the inlet wire through-hole groove 13 suitable, inlet wire crimp groove 14 with inlet wire connecting plate 3 and with the suitable projection 15 of U profile, outlet connecting groove 12 is provided with outlet through-hole groove 16, the outlet crimp groove 17 suitable with outlet connecting plate 4.
Claims (2)
1. miniature circuit breaker, comprise loam cake, base, operating system, tripping mechanism, arc quenching system, operating grip, binding post, connecting plate, binding post is arranged in the connecting groove of base two ends formation, connecting plate one end passes binding post, it is characterized in that: the connecting plate of miniature circuit breaker is divided into inlet wire connecting plate and outlet connecting plate, the inlet wire connecting plate forms inlet wire through hole face by bending, the inlet wire side, inlet wire crimping face, the U profile, connect face in the inlet wire, inlet wire through hole face center is formed with circular inlet wire through hole, inlet wire through hole face and inlet wire crimping face are arranged on the frame type that two ends, inlet wire side form one one side opening, inlet wire crimping face passes the binding post setting of end of incoming cables, the inlet wire crimping face other end is the U profile, the U profile is shaped as the U type, U profile opening is vertically towards inlet wire crimping face, relative inlet wire connecting plate arranged outside has silver contact on the U profile, and oblique outer the extension in the formation inlet wire in top, the U profile outside connects face; The outlet connecting plate forms in line three-way hole face, outlet side, outlet crimping face, the outlet by bending and connects face, go out line three-way hole face center and be formed with the circular line three-way hole that goes out, go out line three-way hole face and outlet crimping face and be arranged on the frame type that two ends, outlet side form one one side opening, outlet crimping face passes the binding post setting of leading-out terminal, and the face that connects in the outlet is arranged on outlet crimping face one end perpendicular to outlet crimping face and towards going out the line three-way hole face; The base two ends form inlet wire connecting groove that binding post and inlet wire connecting plate are installed and the outlet connecting groove that binding post and outlet connecting plate are installed respectively, the inlet wire connecting groove be provided with the inlet wire through-hole groove suitable, inlet wire crimp groove with the inlet wire connecting plate and with the suitable projection of U profile, the outlet connecting groove is provided with the outlet through-hole groove suitable with the outlet connecting plate, outlet crimp groove.
2. miniature circuit breaker according to claim 1 is characterized in that: the inlet wire through-hole diameter on the described inlet wire connecting plate inlet wire through hole face is greater than the diameter of the screw main body of housing pin on the binding post, less than the diameter of the screw end cap of housing pin; Described outlet connecting plate goes out outlet through-hole diameter on the line three-way hole face greater than the diameter of the screw main body of housing pin on the binding post, less than the diameter of the screw end cap of housing pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202805356U CN201732742U (en) | 2010-07-30 | 2010-07-30 | Small circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202805356U CN201732742U (en) | 2010-07-30 | 2010-07-30 | Small circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201732742U true CN201732742U (en) | 2011-02-02 |
Family
ID=43523898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202805356U Expired - Fee Related CN201732742U (en) | 2010-07-30 | 2010-07-30 | Small circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201732742U (en) |
-
2010
- 2010-07-30 CN CN2010202805356U patent/CN201732742U/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 |
Granted publication date: 20110202 Termination date: 20160730 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |