CN203398056U - Movable contact base - Google Patents
Movable contact base Download PDFInfo
- Publication number
- CN203398056U CN203398056U CN201320534066.XU CN201320534066U CN203398056U CN 203398056 U CN203398056 U CN 203398056U CN 201320534066 U CN201320534066 U CN 201320534066U CN 203398056 U CN203398056 U CN 203398056U
- Authority
- CN
- China
- Prior art keywords
- hole
- holes
- movable contact
- ring flange
- contact block
- 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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- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The utility model provides a movable contact base, which comprises a base body in a cylindrical shape, and is characterized in that: one end of the base body is provided with outer threads, the other end is provided with a flange plate, a contact bracket is arranged between the outer threads and the flange plate, a plurality of first through holes and second through holes are arranged along the axial direction of the base body, the first through holes and the second through holes are respectively and evenly distributed along the circumferential direction of the base body, the first through holes are arranged between the outer threads and the contact bracket, the second through holes are arranged between the contact bracket and the flange plate, the contact bracket is provided with a third through hole, a plurality of fourth through holes are evenly distributed along the circumferential outer side of the third through hole, a plurality of threaded holes and fifth through holes are evenly distributed along the circumferential direction of the flange plate, two ends of the flange plate are provided with two connecting lugs, and the connecting lugs are provided with a plurality of sixth through holes. The movable contact base is provided with the plurality of through holes and threaded holes, can connect and bear the movable contact well, and has the advantages of good ventilation performance, fast heat dissipation, and good arc-extinguishing performance.
Description
Technical field
The utility model relates to appliance switch field, specifically, relates to a kind of moving contact of breaker seat.
Background technology
Circuit breaker refers to the electric current that can close, carry and cut-off under normal loop condition, and can close, in official hour, carry and cut-off the switching device of the electric current under abnormal loop condition.Moving contact and fixed contact are two vitals of circuit breaker, and movable contact block is the parts of carrying moving contact.Existing moving contact structure is simple, and switching performance is poor, function singleness.
Utility model content
The purpose of this utility model is to overcome the weak point of above-mentioned conventional art, and a kind of rational in infrastructure, switching performance good, function is many movable contact block is provided.
The technical solution of the utility model is:
A kind of movable contact block, comprise and be shaped as columnar pedestal, it is characterized in that: described pedestal one end is provided with external screw thread, the other end is provided with ring flange, between external screw thread and ring flange, be provided with contact supporting, along pedestal, be axially arranged with several first through holes and the second through hole, the first through hole and the second through hole are circumferentially uniform along pedestal respectively, the first through hole is between external screw thread and contact supporting, the second through hole is between contact supporting and ring flange, contact supporting is provided with third through-hole, along third through-hole week, be evenly equipped with laterally several fourth holes, along ring flange, be circumferentially evenly equipped with several screwed holes and fifth hole, ring flange two ends are provided with two engaging lugs, engaging lug is provided with several the 6th through holes.
As a kind of improvement:
The quantity of described the first through hole is two.
The quantity of described the second through hole is two.
The quantity of described fourth hole is six.
The quantity of described screwed hole is six.
The quantity of described fifth hole is six.
On each engaging lug, the quantity of the 6th through hole is six.
The utility model movable contact block is provided with some through holes and screwed hole, can be good at connecting carrying moving contact, and venting capability is good, rapid heat dissipation, arc extinction performance are good.
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of movable contact block of the utility model;
Fig. 2 is the vertical view of Fig. 1.
In figure: 1-pedestal; 2-the second through hole; 3-contact supporting; 4-third through-hole; 5-the first through hole; 6-external screw thread; 7-fourth hole; 8-engaging lug; 9-the 6th through hole; 10-fifth hole; 11-screwed hole; 12-ring flange.
Embodiment
Embodiment 1: as depicted in figs. 1 and 2, a kind of movable contact block, comprise and be shaped as columnar pedestal 1, described pedestal 1 one end is provided with external screw thread 6, the other end is provided with ring flange 12, between external screw thread 6 and ring flange 12, be provided with contact supporting 3, along pedestal 1, be axially arranged with two the first through holes 5 and two the second through holes 2, the first through hole 5 and the second through hole 2 are circumferentially uniform along pedestal 1 respectively, the first through hole 5 is between external screw thread 6 and contact supporting 3, the second through hole 2 is between contact supporting 3 and ring flange 12, contact supporting 3 is provided with third through-hole 4, along third through-hole, within 4 weeks, be evenly equipped with laterally six fourth holes 7, along ring flange 12, be circumferentially evenly equipped with six screwed holes 11 and six fifth holes 10, ring flange 12 two ends are provided with two engaging lugs 8, each engaging lug 8 is provided with six the 6th through holes 9.
Claims (7)
1. a movable contact block, comprise and be shaped as columnar pedestal (1), it is characterized in that: described pedestal (1) one end is provided with external screw thread (6), the other end is provided with ring flange (12), between external screw thread (6) and ring flange (12), be provided with contact supporting (3), along pedestal (1), be axially arranged with several first through holes (5) and the second through hole (2), the first through hole (5) and the second through hole (2) are circumferentially uniform along pedestal (1) respectively, the first through hole (5) is positioned between external screw thread (6) and contact supporting (3), the second through hole (2) is positioned between contact supporting (3) and ring flange (12), contact supporting (3) is provided with third through-hole (4), along third through-hole (4) week, be evenly equipped with laterally several fourth holes (7), along ring flange (12), be circumferentially evenly equipped with several screwed holes (11) and fifth hole (10), ring flange (12) two ends are provided with two engaging lugs (8), engaging lug (8) is provided with several the 6th through holes (9).
2. a kind of movable contact block according to claim 1, is characterized in that: the quantity of described the first through hole (5) is two.
3. a kind of movable contact block according to claim 1, is characterized in that: the quantity of described the second through hole (2) is two.
4. a kind of movable contact block according to claim 1, is characterized in that: the quantity of described fourth hole (7) is six.
5. a kind of movable contact block according to claim 1, is characterized in that: the quantity of described screwed hole (11) is six.
6. a kind of movable contact block according to claim 1, is characterized in that: the quantity of described fifth hole (10) is six.
7. a kind of movable contact block according to claim 1, is characterized in that: the quantity of upper the 6th through hole (9) of each engaging lug (8) is six.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320534066.XU CN203398056U (en) | 2013-08-21 | 2013-08-21 | Movable contact base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320534066.XU CN203398056U (en) | 2013-08-21 | 2013-08-21 | Movable contact base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203398056U true CN203398056U (en) | 2014-01-15 |
Family
ID=49909569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320534066.XU Expired - Fee Related CN203398056U (en) | 2013-08-21 | 2013-08-21 | Movable contact base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203398056U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104835655A (en) * | 2015-04-08 | 2015-08-12 | 慈溪市鸿琦电器有限公司 | Load switch upper contact base |
-
2013
- 2013-08-21 CN CN201320534066.XU patent/CN203398056U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104835655A (en) * | 2015-04-08 | 2015-08-12 | 慈溪市鸿琦电器有限公司 | Load switch upper contact base |
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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: 20140115 Termination date: 20170821 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |