CN203721660U - Residual-current circuit breaker - Google Patents
Residual-current circuit breaker Download PDFInfo
- Publication number
- CN203721660U CN203721660U CN201420007987.5U CN201420007987U CN203721660U CN 203721660 U CN203721660 U CN 203721660U CN 201420007987 U CN201420007987 U CN 201420007987U CN 203721660 U CN203721660 U CN 203721660U
- Authority
- CN
- China
- Prior art keywords
- reinforcing sleeve
- circuit breaker
- current circuit
- boss
- carrier
- 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
Links
Abstract
The utility model discloses a residual-current circuit breaker. The residual-current circuit breaker is characterized in that a bearing portion is sleeved with a reinforcing sleeve; the bearing portion is connected with a closing and opening operation mechanism through the reinforcing sleeve; two side surfaces of a wrench portion are respectively provided with a guide groove; each guide groove is composed of two protruding ribs which are arranged at intervals at a corresponding side surface of the wrench portion; a boss is arranged between the two protruding ribs; and one end of the boss, which faces the bearing portion, is chamfered; clamping grooves sleeve the reinforcing sleeve; the reinforcing sleeve is arranged in the guide grooves; and the bosses are buckled with the clamping grooves. With the residual-current circuit breaker adopted, defects of low strength and proneness to fracture of a handle of a residual-current circuit breaker can be eliminated.
Description
Technical field
The utility model relates to field of circuit breakers, and more particularly, it relates to a kind of residual current circuit breaker.
Background technology
Residual current circuit breaker is a kind of as distributor, mainly for the protection of electric wiring and device security, when the faults such as power consumption equipment transships, short circuit; its release can move in time; by circuitry cuts, guaranteed the safety of circuit and equipment reliably, be therefore widely used.This circuit breaker is when work, and motor drive mechanism drives the action of residual current circuit breaker handle, and then handle passes to circuit breaker operation mechanism by actuating force, thereby realizes the separating brake/combined floodgate of circuit breaker.Therefore, this residual current circuit breaker handle need to have the active force that higher mechanical strength is born motor drive mechanism, but in prior art, residual current circuit breaker handle is plastic material, the long-term active force that uses handle can cannot bear motor drive mechanism, handle there will be fracture, there is potential safety hazard, reduce circuit breaker useful life.
Utility model content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of residual current circuit breaker, and solution handle strength is low, the defect of easy fracture.
For achieving the above object, the utility model provides following technical scheme: a kind of residual current circuit breaker, comprise housing, handle, motor drive mechanism for driving handle motion, for realizing the separating brake of circuit breaker or deciliter operating mechanism of combined floodgate, described handle comprises handle body, described handle body comprises spanner portion and the carrier being wholely set, described spanner portion is connected with motor drive mechanism, described carrier is arranged with reinforcing sleeve, described carrier is connected with a deciliter operating mechanism by reinforcing sleeve, the two sides of described spanner portion are equipped with gathering sill, described gathering sill consists of spaced two convex tendons in spanner portion side, between two convex tendons, be provided with boss, described boss is established chamfering towards one end of carrier, described reinforcing sleeve is provided with draw-in groove, described reinforcing sleeve is placed in gathering sill, described boss and described draw-in groove are interlocked.
By adopting technique scheme, the two sides of described spanner portion are equipped with gathering sill, described gathering sill consists of two convex tendons of spanner portion side, reinforcing sleeve enters in gathering sill by the chamfering on convex tendon, convex tendon is placed in reinforcing sleeve both sides, reinforcing sleeve is under the guide effect of two convex tendons, move down, boss and draw-in groove in gathering sill are fastened, reinforcing sleeve and spanner portion are fitted tightly, described spanner portion is connected with motor drive mechanism, described carrier is connected with a deciliter operating mechanism by reinforcing sleeve, make handle have sufficient intensity to connect motor drive mechanism and deciliter operating mechanism, complete separating brake or the combined floodgate of circuit breaker, be convenient to assembling, also strengthen the intensity of spanner portion simultaneously.
The utility model is further set to: described boss and the height of convex tendon are identical with the thickness of reinforcing sleeve.After described reinforcing sleeve and spanner portion fit tightly, the upper surface of described boss and convex tendon is concordant with reinforcing sleeve surface, described boss can directly not contact with motor drive mechanism with convex tendon, has reduced the resistance of operation, can effectively avoid the damage of motor drive mechanism to spanner portion.
The utility model is further set to: one end that two convex tendons are relative with carrier is equipped with chamfering, and the chamfering on two convex tendons arranges in opposite directions.Two convex tendons arrange chamfering and are convenient to reinforcing sleeve and enter in gathering sill.
By adopting technique scheme, the two sides of described spanner portion are equipped with gathering sill, described gathering sill consists of two convex tendons of spanner portion side, reinforcing sleeve enters in gathering sill by the chamfering on convex tendon, convex tendon is placed in reinforcing sleeve both sides, reinforcing sleeve is under the guide effect of two convex tendons, move down, boss and draw-in groove in gathering sill are fastened, reinforcing sleeve and spanner portion are fitted tightly, described spanner portion is connected with motor drive mechanism, described carrier is connected with a deciliter operating mechanism by reinforcing sleeve, make handle have sufficient intensity to connect motor drive mechanism and deciliter operating mechanism, complete separating brake or the combined floodgate of circuit breaker, be convenient to assembling, also strengthen the intensity of spanner portion simultaneously.
Accompanying drawing explanation
Fig. 1 is the explosive view of a kind of residual current circuit breaker of the utility model;
Fig. 2 is the explosive view of handle 2 in Fig. 1.
In figure 1, housing; 2, handle; 3, motor drive mechanism; 21, handle body; 211, spanner portion; 2111, gathering sill; 2112, convex tendon; 2113, boss; 212, carrier; 22, reinforcing sleeve; 221, draw-in groove.
Embodiment
Referring to figs. 1 through Fig. 2, a kind of residual current circuit breaker of the utility model is described further.
A kind of residual current circuit breaker, comprise housing 1, handle 2, motor drive mechanism 3 for driving handle 2 motions, for realizing the separating brake of circuit breaker or deciliter operating mechanism of combined floodgate, described handle 2 comprises handle body 21, reinforcing sleeve 22, described handle body 21 comprises spanner portion 211 and the carrier 212 being wholely set, described reinforcing sleeve 22 is set in the outside of described spanner portion 211, described spanner portion 211 is connected with motor drive mechanism 3, described carrier 212 is connected with a deciliter operating mechanism by reinforcing sleeve 22, the two sides of described spanner portion 211 are equipped with gathering sill 2111, described gathering sill 2111 consists of spaced two convex tendons 2112 in spanner portion 211 sides, one end that two convex tendons 2112 are relative with carrier 212 is equipped with chamfering, its chamfering can be 45 degree, chamfering on two convex tendons 2112 arranges in opposite directions, two convex tendons 2112 arrange chamfering and are convenient to reinforcing sleeve 22 and enter in gathering sill 2111, between two convex tendons 2112, be provided with boss 2113, described boss 2113 is established chamfering towards one end of carrier 212, its chamfering can be 60 degree, described reinforcing sleeve 22 is provided with draw-in groove 221 corresponding with boss 2113, described reinforcing sleeve 22 slippages enter in gathering sill 2111, described boss 2113 is interlocked with described draw-in groove 221.
The height of described boss 2113 and convex tendon 2112 is identical with the thickness of reinforcing sleeve 22, after described reinforcing sleeve 22 fits tightly with spanner portion 211, the upper surface of described boss 2113 and convex tendon 2112 is concordant with reinforcing sleeve 22 surfaces, described boss 2113 can directly not contact with motor drive mechanism 3 with convex tendon 2112, reduce the resistance of operation, can effectively avoid the damage of 3 pairs of spanner portions 211 of motor drive mechanism.
The two sides of described spanner portion 211 are equipped with gathering sill 2111, described gathering sill 2111 consists of two convex tendons 2112 of spanner portion 211 sides, reinforcing sleeve 22 enters in gathering sill 2111 by the chamfering on convex tendon 2112, convex tendon 2112 is placed in reinforcing sleeve 22 both sides, reinforcing sleeve 22 is under the guide effect of two convex tendons 2112, move down, boss 2113 in gathering sill 2111 is fastened with draw-in groove 221, reinforcing sleeve 22 and spanner portion 211 are fitted tightly, described spanner portion 211 is connected with motor drive mechanism 3, described carrier 212 is connected with a deciliter operating mechanism by reinforcing sleeve 22, make handle have sufficient intensity to connect motor drive mechanism 3 and deciliter operating mechanism, complete separating brake or the combined floodgate of circuit breaker, be convenient to assembling, also strengthen the intensity of spanner portion 211 simultaneously.
Claims (3)
1. a residual current circuit breaker, comprise housing, handle, motor drive mechanism for driving handle motion, for realizing the separating brake of circuit breaker or deciliter operating mechanism of combined floodgate, described handle comprises handle body, described handle body comprises spanner portion and the carrier being wholely set, described spanner portion is connected with motor drive mechanism, it is characterized in that: described carrier is arranged with reinforcing sleeve, described carrier is connected with a deciliter operating mechanism by reinforcing sleeve, the two sides of described spanner portion are equipped with gathering sill, described gathering sill consists of spaced two convex tendons in spanner portion side, between two convex tendons, be provided with boss, described boss is established chamfering towards one end of carrier, described reinforcing sleeve is provided with draw-in groove, described reinforcing sleeve is placed in gathering sill, described boss and described draw-in groove are interlocked.
2. a kind of residual current circuit breaker according to claim 1, is characterized in that: described boss and the height of convex tendon are identical with the thickness of reinforcing sleeve.
3. a kind of residual current circuit breaker according to claim 1 and 2, is characterized in that: one end that two convex tendons are relative with carrier is equipped with chamfering, and the chamfering on two convex tendons arranges in opposite directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420007987.5U CN203721660U (en) | 2014-01-04 | 2014-01-04 | Residual-current circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420007987.5U CN203721660U (en) | 2014-01-04 | 2014-01-04 | Residual-current circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203721660U true CN203721660U (en) | 2014-07-16 |
Family
ID=51160797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420007987.5U Expired - Fee Related CN203721660U (en) | 2014-01-04 | 2014-01-04 | Residual-current circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203721660U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374448A (en) * | 2018-10-15 | 2019-02-22 | 浙江天正智能电器有限公司 | A kind of handle strength detection device |
-
2014
- 2014-01-04 CN CN201420007987.5U patent/CN203721660U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374448A (en) * | 2018-10-15 | 2019-02-22 | 浙江天正智能电器有限公司 | A kind of handle strength detection device |
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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: 20140716 Termination date: 20170104 |