CN202549752U - Mechanism for regulating rate current of breaker - Google Patents
Mechanism for regulating rate current of breaker Download PDFInfo
- Publication number
- CN202549752U CN202549752U CN201220084669XU CN201220084669U CN202549752U CN 202549752 U CN202549752 U CN 202549752U CN 201220084669X U CN201220084669X U CN 201220084669XU CN 201220084669 U CN201220084669 U CN 201220084669U CN 202549752 U CN202549752 U CN 202549752U
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- China
- Prior art keywords
- adjusting rod
- knob
- release lever
- adjusting
- circuit breaker
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- Expired - Lifetime
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Abstract
The utility model discloses a mechanism for regulating a rate current of a breaker. The mechanism is characterized by comprising a fixed trip rod, a regulating rod, a regulating knob, a bimetallic strip assembly and a heat regulating bolt, wherein a channel is arranged on the fixed trip rod; the regulating rod is slidably arranged in the channel, and thus the regulating rod is capable of horizontally moving relative to the fixed strip rod; the regulating knob is arranged on one end of the regulating rod, and the rotating movement of the regulating knob is capable of regulating the location of the regulating rod in the fixed strip rod; the bimetallic strip assembly is arranged to be separated from the regulating rod; the heat regulating bolt is arranged on one end of the bimetallic strip assembly, and is at a certain distance from the regulating rod, and the distance is set through the rotating movement of the regulating knob.
Description
Technical field
The utility model relates to a kind of mechanism that is used to adjust the circuit breaker rated current.
Background technology
China utility model patent ZL200920300224.9 discloses a kind of hot adjustable trip gear that is used for circuit breaker; Offer and the fixing through hole of the coaxial setting of dropout plate at a side of adjustable dropout plate; One adjustment screw is arranged in the through hole and constitutes the axis slippage with adjustable dropout plate and is connected, adjustment screw and the fixing distance between the dropout plate and adjust the proportional relation of rotation distance of knob.Adjustable release is owing to there is the adjustable dropout plate of a slip, with respect to the diverse location of knob, i.e. and the rated current of the different value shown in the panel, adjustable dropout plate has different clearance corresponding to the adjustment knob.That is to say the rated current corresponding to different value, adjustable dropout plate is corresponding to the gap of adjustment knob, fixedly the dropout plate can be by the mensuration and the adjustment of batch production with the gap of adjusting knob.
Chinese invention patent application 90101366.8 discloses the means for correcting that a kind of circuit breaker thermal trip unit is used, have a rotating knob be used to regulate this release to the circuit breaker rated value 100% and less than between certain value of 100%.Be provided with an adjustable stop screw to be meshed with rotatable knob when the correction of regulating this release reaches desired numerical value less than circuit breaker rated value 100% in knob.The stroke that limits this adjustable knob by means of adjustable stop screw is only at 100% nominal value of circuit breaker with between its desired numerical value of 100%.
Above-mentioned prior art need to the structure of circuit breaker and parts carry out bigger modification and therefore cause whole device size bigger, thereby are unfavorable for the miniaturization of device.
The utility model content
The utility model provides a kind of mechanism that is used to adjust the circuit breaker rated current, thereby has overcome the above-mentioned defective that exists in the prior art.
According to an embodiment of the utility model, it provides a kind of mechanism that is used to adjust the circuit breaker rated current, and said mechanism comprises: fixing release lever, and said fixedly release lever is provided with passage; Adjusting rod, said adjusting rod is slidably disposed in the said passage, thus said adjusting rod can move with respect to said fixedly release lever along said passage; Adjusting knob, said adjusting knob are arranged on an end of said adjusting rod, and rotatablely moving of said adjusting knob can be adjusted the position of said adjusting rod in said fixedly release lever; The bimetal leaf assembly, said bimetal leaf assembly is arranged to said adjusting rod spaced apart; Heat is transferred screw, and said heat transfers screw to be arranged on this bimetal leaf assembly, itself and said adjusting rod certain distance spaced apart, and this distance is set through rotatablely moving of said adjusting knob.
An aspect according to the utility model; The said passage of said fixedly release lever is formed on two ends of said fixedly release lever; Said channel cross-section perpendicular to said channel-length direction is c-shaped; Between the said passage at place, said two ends, said fixedly release lever is formed with slot part, and said adjusting rod can slide in said slot part.
Another aspect according to the utility model; Said adjusting rod is elongate on the whole; Comprise elongated stem, be arranged at interval three elongated projections in the said bar portion, be arranged on three wedges and adjusting knob mounting groove on three elongated projections respectively accordingly.
What need to specify is, the utility model with the circuit breaker of three utmost points as main execution mode, but the utility model also goes for circuit breakers two utmost points, four utmost points or multipole, promptly can comprise a plurality of elongated projections, corresponding a plurality of wedges.
Another aspect according to the utility model; Said adjusting knob comprises columniform knob body and dials post with respect to the eccentric knob that is provided with of the rotation of said knob body; Said knob is dialled in the said adjusting knob mounting groove that post can be rotatably set in said adjusting rod, and the said bar portion that the rotation that said knob is dialled post drives said adjusting rod slides in said fixedly release lever.
Meeting heated bending when said bimetal leaf assembly surpasses rated current at the electric current through it, the said heat of its drive is transferred the screw motion, thereby promotes said adjusting rod, and said adjusting rod rotates with said fixedly release lever then, and then realization dropout action.
Said bimetal leaf assembly comprises three bimetal leafs, and said three positions of wedge on said adjusting rod correspond respectively to said three bimetal leafs.It is three that said heat is transferred screw; They are separately positioned on the end of corresponding three bimetal leafs, and the inclined plane of each of said three wedges and corresponding said heat transfer the distance between the screw to set through rotatablely moving of said adjusting knob.
In like manner; The utility model also goes for circuit breakers two utmost points, four utmost points or multipole; Be that said bimetal leaf assembly can comprise a plurality of bimetal leafs, it is a plurality of that said heat is transferred screw, thereby corresponding with said a plurality of elongated projections and said a plurality of wedge.
Said fixedly release lever, said adjusting rod and said adjusting knob are processed by plastic material.
When said adjusting knob rotates; The eccentric knob that is provided with is dialled post can make said adjusting rod horizontal movement; Be horizontal slip in the passage of elongated stem in said fixedly release lever of said adjusting rod, thereby said heat transfer the gap between said three wedges of screw and said adjusting rod to change.Along with the variation in this gap, the rated current of said circuit breaker is adjusted.
The utility model only needs that the existing fixed release lever is carried out petty action and changes, and promptly increases said passage.The part of the said adjusting rod of the utility model is set in the said fixedly release lever in addition, and has therefore reduced in the shared space of whole device.
In sum, the utility model need not carry out bigger modification and therefore can not cause whole device size change greatly the structure and the parts of circuit breaker, thereby helps the miniaturization of device.
So far, for the detailed description of the utility model at this can be better understood, and for the contribution of the utility model to prior art can be realized better, the disclosure has been summarized the content of the utility model quite widely.Certainly, the theme of accompanying claims will described and will form to the execution mode of the utility model below.
Likewise, those skilled in the art will recognize that, the disclosure based on design can be easily as the basis of other structure of design, method and system, be used to implement several purposes of the utility model.Therefore, importantly, accompanying claims will be understood that and comprises such equivalent structure, as long as they do not exceed the essence and the scope of the utility model.
Description of drawings
To better understanding be arranged to the utility model through following accompanying drawing those skilled in the art, and more can clearly embody the advantage of the utility model.Accompanying drawing described herein has been merely the illustration purpose of selected embodiment, rather than all possible execution mode and be intended to not limit the scope of the utility model.
Fig. 1 is a stereogram, and the mechanism that is used to adjust the circuit breaker rated current according to the utility model is shown;
Fig. 2 is a stereogram, and fixedly release lever, adjusting rod and the adjusting knob according to the utility model that are under the assembled state are shown;
Fig. 3 is a stereogram, and it illustrates fixedly release lever and adjusting rod according to the utility model.
Embodiment
Before at least one embodiment of illustrated in detail the utility model, should be appreciated that the utility model is not restricted to the details and the configuration of components of proposition in the following description or structure illustrated in the accompanying drawings in its application.The utility model can have except describe those embodiment, and can implement by different way and carry out.Moreover, should be appreciated that at the wording of this employing and term and summary be for purpose of description, should not think determinate.
Fig. 1 is a stereogram, and it shows the mechanism that is used to adjust the circuit breaker rated current according to the utility model, and wherein said mechanism comprises: fixedly release lever 1, and said fixedly release lever is provided with passage 1-1 (see figure 3); Adjusting rod 2, said adjusting rod are slidably disposed among the said passage 1-1, thereby said adjusting rod 2 can move with respect to said fixedly release lever 1 along said passage; Adjusting knob 3, said adjusting knob are arranged on an end of said adjusting rod 2, and rotatablely moving of said adjusting knob 3 can be adjusted the position of said adjusting rod 2 in said fixedly release lever 1; Bimetal leaf assembly 5, said bimetal leaf assembly 5 are arranged to said adjusting rod 2 spaced apart; Heat is transferred screw 4, and said heat transfers screw 4 to be arranged on the said end of this bimetal leaf assembly 5, itself and said adjusting rod 2 certain distances spaced apart, and this distance is set through rotatablely moving of said adjusting knob 3.
Fig. 2 is a stereogram, and it shows the fixedly release lever 1 according to the utility model, adjusting rod 2 and the adjusting knob 4 that is under the assembled state.
As shown in Figure 3; The said passage 1-1 of said fixedly release lever 1 is formed on two ends of said fixedly release lever 1; Said channel cross-section perpendicular to said channel-length direction is c-shaped; Said fixedly release lever is formed with slot part 1-2 between the said passage at place, said two ends, and said adjusting rod 2 can slide in said slot part 1-2.
Another aspect according to the utility model; Said adjusting rod 2 is elongate on the whole; Comprise elongated stem 2-1; Be arranged at interval three elongated projection 2-2 in the said bar portion, be arranged on three wedge 2-3 and adjusting knob mounting groove 2-4 on three elongated projection 2-2 respectively accordingly.
What need special instruction is; The utility model with the circuit breaker of three utmost points as main execution mode; But the utility model also goes for circuit breakers two utmost points, four utmost points or multipole, promptly can comprise a plurality of elongated projection 2-2, corresponding a plurality of wedge 2-3.
Another aspect according to the utility model; Said adjusting knob 3 comprises columniform knob body 3-1 and dials post 3-2 with respect to the eccentric knob that is provided with of the rotation of said knob body; Said knob is dialled among the said adjusting knob mounting groove 2-4 that post 3-2 can be rotatably set in said adjusting rod 2, and the rotation that said knob is dialled post 3-2 drives in the said passage of the said bar 2-1 of portion in said fixedly release lever 1 of said adjusting rod 2 and slides.
Meeting heated bending when said bimetal leaf assembly 5 surpasses rated current at the electric current through it; It drives said heat and transfers screw 4 motions; Thereby said heat transfers screw 4 to promote said adjusting rod 2, and said adjusting rod 2 rotates with said fixedly release lever 1 then, and then realizes the action of threading off.
Said bimetal leaf assembly 5 comprises three bimetal leafs; The position of said three wedge 2-3 on said adjusting rod 2 corresponds respectively to said three bimetal leafs; It is three that said heat is transferred screw 4; They are separately positioned on the said end of corresponding three bimetal leafs, and the inclined plane of each of said three wedge 2-3 and corresponding said heat transfer the distance between the screw 4 to set through rotatablely moving of said adjusting knob 3.
In like manner; The utility model also goes for circuit breakers two utmost points, four utmost points or multipole; Be that said bimetal leaf assembly 5 can comprise a plurality of bimetal leafs, it is a plurality of that said heat is transferred screw 4, thereby corresponding with said a plurality of elongated projection 2-2 and said a plurality of wedge 2-3.
Said fixedly release lever 1, said adjusting rod 2 and said adjusting knob 3 are processed by plastic material.
According to above-mentioned described concrete structure, the operation of the said mechanism of brief description.
The utility model relates to a kind of mechanism that is used to regulate the rated current of circuit breaker, and the said passage 1-1 of wherein said fixedly release lever 1 has specific C type profile, can said adjusting rod 2 be remained in the said fixedly release lever 1.Said adjusting knob 3 has the eccentric knob that is provided with and dials post 3-2, and it is inserted among the adjusting knob mounting groove 2-4 of said adjusting rod 2.When the electric current of reality through said circuit breaker during greater than rated current; Said bimetal leaf assembly 5 can be crooked; Can drive said heat then and transfer screw 4 motions; And then the said adjusting rod 2 of said heat accent screw 4 promotions, said adjusting rod 2 rotates with said fixedly release lever 1 then, and then realizes threading off and move.When said adjusting knob 3 rotates; The eccentric knob that is provided with is dialled post 3-2 can make said adjusting rod 2 horizontal movements; Be horizontal slip among the passage 1-1 of elongated stem 2-1 in said fixedly release lever 1 of said adjusting rod 2, thereby said heat transfer the gap between said three wedge 2-3 of screw 4 and said adjusting rod 2 to change.Along with the variation in this gap, the rated current of said circuit breaker is adjusted.
The utility model only needs that the existing fixed release lever is carried out petty action and changes, and promptly increases said passage.The part of the said adjusting rod of the utility model is set in the said fixedly release lever in addition, and has therefore reduced in the shared space of whole device.
In sum, the utility model need not carry out bigger modification and therefore can not cause whole device size change greatly the structure and the parts of circuit breaker, thereby helps the miniaturization of device.
With reference to specific embodiment; Although the utility model is illustrated in specification and accompanying drawing; But be to be understood that; Under the situation of the utility model scope that does not break away from the claim to be limited, affiliated person skilled can be made multiple change and the alternative wherein multiple element of multiple equivalent.And; The combination of the technical characterictic among this paper between the specific embodiment, element and/or function and collocation are clear distinct; Therefore according to these disclosed contents; Technical characterictic, element and/or function that affiliated person skilled can figure out among the embodiment can be incorporated in another specific embodiment according to circumstances, only if foregoing has other description.In addition, according to the instruction of the utility model, the scope not breaking away from the utility model essence adapts to special situation or material and can make many changes.Therefore; The utility model is not limited to graphic other specific embodiment of accompanying drawing institute; And the conduct described in the specification is at present for implementing the specific embodiment of the contemplated preferred forms of the utility model, and the utility model intention comprises all execution modes that fall in above-mentioned specification and the appended claim scope.
Claims (7)
1. a mechanism that is used to adjust the circuit breaker rated current is characterized in that, said mechanism comprises:
Fixing release lever, said fixedly release lever is provided with passage;
Adjusting rod, said adjusting rod is slidingly arranged in the said passage, thus said adjusting rod can move with respect to said fixedly release lever along said passage;
Adjusting knob, said adjusting knob are arranged on an end of said adjusting rod, and rotatablely moving of said adjusting knob can be adjusted the position of said adjusting rod in said fixedly release lever;
The bimetal leaf assembly, said bimetal leaf assembly is arranged to said adjusting rod spaced apart;
Heat is transferred screw, and said heat transfers screw to be arranged on this bimetal leaf assembly, itself and said adjusting rod certain distance spaced apart, and this distance is set through rotatablely moving of said adjusting knob.
2. the mechanism that is used to adjust the circuit breaker rated current as claimed in claim 1; It is characterized in that; The said passage of said fixedly release lever is formed on two ends of said fixedly release lever, and is c-shaped perpendicular to the said channel cross-section of said channel-length direction, between the said passage at place, said two ends; Said fixedly release lever is formed with slot part, and said adjusting rod can slide in said slot part.
3. the mechanism that is used to adjust the circuit breaker rated current as claimed in claim 2; It is characterized in that; Said adjusting rod is elongate on the whole, comprise elongated stem, at interval be arranged on a plurality of elongated projection in the said bar portion, be arranged on a plurality of wedges and adjusting knob mounting groove on a plurality of elongated projections accordingly respectively.
4. the mechanism that is used to adjust the circuit breaker rated current as claimed in claim 3; It is characterized in that; Said adjusting knob comprises columniform knob body and dials post with respect to the eccentric knob that is provided with of the rotation of said knob body; Said knob is dialled in the said adjusting knob mounting groove that post can be rotatably set in said adjusting rod, and the said bar portion that the rotation that said knob is dialled post drives said adjusting rod slides in said fixedly release lever.
5. the mechanism that is used to adjust the circuit breaker rated current as claimed in claim 3; It is characterized in that; Meeting heated bending when said bimetal leaf assembly surpasses rated current at the electric current through it, it drives said heat and transfers the screw motion, thereby promotes said adjusting rod; Said adjusting rod rotates with said fixedly release lever then, and then realizes the action of threading off.
6. the mechanism that is used to adjust the circuit breaker rated current as claimed in claim 5; It is characterized in that; Said bimetal leaf assembly comprises a plurality of bimetal leafs; The position of said a plurality of wedge on said adjusting rod corresponds respectively to said a plurality of bimetal leaf; It is a plurality of that said heat is transferred screw, and they are separately positioned on the said end of corresponding a plurality of bimetal leafs, and the inclined plane of each of said a plurality of wedges and corresponding said heat transfer the distance between the screw to set through rotatablely moving of said adjusting knob.
7. like one of them described mechanism that is used to adjust the circuit breaker rated current of claim 1-6, it is characterized in that said fixedly release lever, said adjusting rod and said adjusting knob are processed by plastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220084669XU CN202549752U (en) | 2012-03-08 | 2012-03-08 | Mechanism for regulating rate current of breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220084669XU CN202549752U (en) | 2012-03-08 | 2012-03-08 | Mechanism for regulating rate current of breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202549752U true CN202549752U (en) | 2012-11-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220084669XU Expired - Lifetime CN202549752U (en) | 2012-03-08 | 2012-03-08 | Mechanism for regulating rate current of breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202549752U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103903926A (en) * | 2012-12-25 | 2014-07-02 | 施耐德电器工业公司 | New type circuit breaker hot adjustment method |
| CN104882340A (en) * | 2014-02-28 | 2015-09-02 | 西门子公司 | Knob element and slide element of an adjusting apparatus and adjusting apparatus and method for adjusting a position of a thermal tripping shaft |
| CN104916506A (en) * | 2014-03-11 | 2015-09-16 | 西门子公司 | Thermal triggering shaft of thermal triggering apparatus with a recess for receiving a transmitting part of a sliding part |
| CN103903926B (en) * | 2012-12-25 | 2016-11-30 | 施耐德电器工业公司 | Breaker thermal adjusts method |
-
2012
- 2012-03-08 CN CN201220084669XU patent/CN202549752U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103903926A (en) * | 2012-12-25 | 2014-07-02 | 施耐德电器工业公司 | New type circuit breaker hot adjustment method |
| CN103903926B (en) * | 2012-12-25 | 2016-11-30 | 施耐德电器工业公司 | Breaker thermal adjusts method |
| CN104882340A (en) * | 2014-02-28 | 2015-09-02 | 西门子公司 | Knob element and slide element of an adjusting apparatus and adjusting apparatus and method for adjusting a position of a thermal tripping shaft |
| CN104882340B (en) * | 2014-02-28 | 2018-10-12 | 西门子公司 | The push button element and sliding component of adjusting apparatus and the adjusting apparatus and method being adjusted for the position to heat triggering axis |
| CN104916506A (en) * | 2014-03-11 | 2015-09-16 | 西门子公司 | Thermal triggering shaft of thermal triggering apparatus with a recess for receiving a transmitting part of a sliding part |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121121 |