CN204067262U - A kind of breaker of plastic casing supporter - Google Patents
A kind of breaker of plastic casing supporter Download PDFInfo
- Publication number
- CN204067262U CN204067262U CN201420526470.7U CN201420526470U CN204067262U CN 204067262 U CN204067262 U CN 204067262U CN 201420526470 U CN201420526470 U CN 201420526470U CN 204067262 U CN204067262 U CN 204067262U
- Authority
- CN
- China
- Prior art keywords
- breaker
- plastic casing
- supporter
- bimetal leaf
- fixture
- 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 discloses a kind of breaker of plastic casing supporter, aim to provide and a kind ofly can make the breaker of plastic casing that breaker of plastic casing power-off reaction sensitivity is higher, its drip irrigation device is a kind of breaker of plastic casing supporter, comprise supporter body, described supporter body comprises support portion and connecting portion, described connecting portion has been wholely set supporting bracket, described supporting bracket is fixedly connected with insulation spacer, described insulation spacer is fixedly connected with the fixture for fixing bimetal leaf, between described fixture and connecting portion, is connected with heat insulation catch.The reaction of a kind of breaker of plastic casing supporter of the present utility model to circuit overloads is sensitiveer, can cut off circuit faster.
Description
Technical field
The utility model relates to a kind of breaker of plastic casing supporter, and in particular, it relates to a kind of breaker of plastic casing supporter that breaker of plastic casing power-off can be made to react sensitiveer.
Background technology
Breaker of plastic casing, for the protection of a kind of device of circuit, breaker of plastic casing automatically can cut off electric current after electric current exceedes escape setting.In the market, the model of breaker of plastic casing has a variety of, and wherein have a kind of model to be the circuit breaker of CM1-100, the circuit breaker internal instantaneous trip power cutoff mechanism of this model is divided into two parts, a part is electromagnetic release mechanism, protective circuit when being short-circuited for circuit; Another part is thermal tripping mechanism, for protective circuit during circuit overloads.As shown in Figure 5, wherein thermal tripping mechanism comprises thermal element 3(and is generally U-shaped), bimetal leaf 2, supporter 1, time delay nail 4, bracket 5, wherein the operation principle of thermal tripping mechanism of circuit overloads protection is: electric current is circulated after bimetal leaf 2 and thermal element 3 by supporter 1 and flows out coil again, when circuit overloads, thermal element 3 generates heat in a large number, bimetal leaf 2 heated bending, because bimetal leaf 2 is made up of the metal material that two-layer thermal coefficient of expansion is different, after being heated, the metal bending degree that thermal coefficient of expansion is high is large, this bimetal leaf 2 is made to bend towards bracket 5, the time delay nail 4 being now arranged on bimetal leaf 2 end promotes bracket 5 and rotates, thus complete dropout.In the prior art, above-mentioned supporter 1 and bimetal leaf 2 and thermal element 3 mutually bonding with glue successively, may go wrong like this: when circuit overload, need thermal element 3 to generate heat and bimetal leaf 2 is bent, adopt splicing that the heat of thermal element 3 can be made all can not to pass to bimetal leaf 2 rapidly, and supporter 1 is glued to the one side (thermal coefficient of expansion of the material in this face is lower) of bimetal leaf, supporter 1 also can generate heat when circuit overloads transferring heat, the degree that this one side that such thermal coefficient of expansion is low expands also can be larger, the degree of crook of bimetal leaf 2 is slowed down, be unfavorable for cutting off circuit in time, likely cause dangerous generation, therefore proposition scheme is needed to solve this problem.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of breaker of plastic casing supporter making breaker of plastic casing sensitiveer to circuit overloads reaction.
For achieving the above object, the utility model provides following technical scheme: a kind of breaker of plastic casing supporter, comprise supporter body, described supporter body comprises support portion and connecting portion, described connecting portion has been wholely set supporting bracket, described supporting bracket is fixedly connected with insulation spacer, described insulation spacer is fixedly connected with the fixture for fixing bimetal leaf, between described fixture and connecting portion, is connected with heat insulation catch.
As optimization, described supporting bracket has also been wholely set baffle plate, described thermal element is to being located between baffle plate and bimetal leaf.
As optimization, described fixture comprise for bimetal leaf install to establishing post, described to establishing post to be fixedly connected with insulation spacer.
As optimization, described to establishing post to be provided with two, to establishing post to be formed with groove respectively described in two, in being oppositely arranged between two described grooves, between two described grooves, be formed with the cavity placed for bimetal leaf.
As optimization, described fixture comprises the T-slot matched with bimetal leaf, and described T-slot is fixedly connected with insulation spacer, and the opening of described T-slot is towards baffle plate.
The utility model has following advantage compared to existing technology: be integrally formed with supporting bracket at the connecting portion of supporter body, described supporting bracket is provided with insulation spacer, this insulation spacer is fixedly connected with fixture, it is reeded to establishing post that fixture can be set to a pair band, also can be T-slot, this fixture is used for being fixedly connected with bimetal leaf, is connected with heat insulation catch between fixture and connecting portion, and the heat trnasfer distributed for stoping connecting portion is to bimetal leaf; Also be wholely set baffle plate on the supporting plate, for placing thermal element between this baffle plate and bimetal leaf, thermal element adstante febre heat can be made like this to be not easy to scatter and disappear, better pass to bimetal leaf, so just can reach and stop the heat of connecting portion to pass to the low one side of the thermal coefficient of expansion of bimetal leaf, the heat distributed by thermal element better passes to the high one side of bimetal leaf thermal coefficient of expansion, so just make the efficiency that bimetal leaf is bending higher, circuit can be cut off more timely sooner.
Accompanying drawing explanation
Fig. 1 is the structural representation one of a kind of breaker of plastic casing supporter of the utility model;
Fig. 2 is the A portion enlarged drawing of Fig. 1 of a kind of breaker of plastic casing supporter of the utility model;
Fig. 3 is the structural representation two of a kind of breaker of plastic casing supporter of the utility model;
Fig. 4 is the structural representation three of a kind of breaker of plastic casing supporter of the utility model;
Fig. 5 is the structural representation of breaker of plastic casing thermal tripping mechanism in prior art.
In figure: 1, supporter; 2, bimetal leaf; 3, thermal element; 4, time delay nail; 5, bracket; 6, to establishing post; 7, groove; 8, support portion; 9, connecting portion; 10, supporting bracket; 11, baffle plate; 12, insulation spacer; 13, fixture; 14, heat insulation catch; 15, T-slot; 16, limiting section; 17, convergence part; 18, die cavity; 19, opening; 20, cavity.
Embodiment
Referring to figs. 1 through Fig. 5, a kind of breaker of plastic casing supporter of the utility model embodiment is described further.
Embodiment one: a kind of breaker of plastic casing supporter, comprise support portion 8 and connecting portion 9, as depicted in figs. 1 and 2, connecting portion 9 is connected with supporting bracket 10, supporting bracket 10 is fixedly connected with insulation spacer 12(to it should be noted that herein, can by bonding, the usual mode such as snapping reaches the object be fixedly connected with, above-mentioned connected mode, it is all technological means well-known to those skilled in the art, be not described further) herein, this insulation spacer 12 is preferably rubber or plastic material is made, insulation spacer 12 is fixedly connected with (bonding or snapping can be adopted) fixture 13, between fixture 13 and connecting portion 9, insert this heat insulation catch 14 of heat insulation catch 14(be preferably asbestos or elastomeric material is made), heat insulation catch 14 is made to fit tightly between fixture 13 and connecting portion 9, baffle plate 11 is also integrally formed with in the end of supporting bracket 10, thermal element 3 is connected between fixture 13 and baffle plate 11 to establishing, fixture 13 is set to T-slot 15 as shown in Figure 3, T-slot 15 is divided into convergence part 17 and two limiting sections 16, limiting section 16 is bending in L-type, wherein one end of each limiting section 16 bending is one-body molded with the two ends of convergence part 17 respectively, form the die cavity 18 placed for bimetal leaf 2, the opening 19 be communicated with die cavity 18 is formed between two limiting sections 16, as shown in Figure 1, one end of thermal element 3 is positioned at opening 19 place, and is fitted and connected with bimetal leaf 2.
When installing and using, first insulation spacer 12 is arranged in supporting bracket 10, then bimetal leaf 12 is inserted in die cavity 18; Then by heat insulation catch 14 to being located between fixture 13 and connecting portion 9, again by thermal element 3 to being located between baffle plate 11 and bimetal leaf 2, and fit respectively with baffle plate 11 and bimetal leaf 2, then whole supporter 1 is connected in breaker of plastic casing, has been communicated with circuit.When circuit overloads, now thermal element 3 generates heat, the baffle plate 11 being arranged on side serves the effect preventing heat loss, and do not intercept between thermal element 3 and bimetal leaf 2, the heat of such thermal element 3 just better passes to bimetal leaf 2, the high one side of bimetal leaf 2 thermal coefficient of expansion is bent faster, the heat insulation catch 14 be provided with between fixture 13 and connecting portion 9 can make supporter 1 send out heat thermogenetic to intercept, the side that the thermal coefficient of expansion of bimetal leaf 2 is low can not be delivered to, this surface expansion is prevented to bend, make bimetal leaf 2 more effective bending to bracket like this, make time delay nail 4 promote bracket 5 faster and complete trip action, thus open circuit prevents dangerous generation rapidly.
Embodiment two: as shown in Figure 4, described fixture 13 is set to two to establishing post 6, groove 7 is provided with to establishing on post 6 each, two grooves 7 are oppositely arranged and are formed with cavity 20, bimetal leaf 2 is inserted in cavity 20, and bimetal leaf 2 outer wall and the laminating of two groove 7 inwalls, only the structure of fixture 13 is improved in the present embodiment, remainder is consistent with embodiment one, and therefore not to repeat here.
The above is only preferred implementation of the present utility model, protection range of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection range of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (5)
1. a breaker of plastic casing supporter, comprise supporter body, it is characterized in that: described supporter body comprises support portion and connecting portion, described connecting portion has been wholely set supporting bracket, described supporting bracket is fixedly connected with insulation spacer, described insulation spacer is fixedly connected with the fixture for fixing bimetal leaf, between described fixture and connecting portion, is connected with heat insulation catch.
2. a kind of breaker of plastic casing supporter according to claim 1, is characterized in that: described supporting bracket has been wholely set baffle plate.
3. a kind of breaker of plastic casing supporter according to claim 2, is characterized in that: described fixture comprise with for bimetal leaf install to establishing post, described to establishing post to be fixedly connected with insulation spacer.
4. a kind of breaker of plastic casing supporter according to claim 3, it is characterized in that: described to establishing post to be provided with two, to establishing post to be formed with groove respectively described in two, in being oppositely arranged between two described grooves, between two described grooves, be formed with the cavity that can hold bimetal leaf and place.
5. a kind of breaker of plastic casing supporter according to claim 2, it is characterized in that: described fixture comprises the T-slot matched with bimetal leaf, described T-slot is fixedly connected with insulation spacer, and the opening of described T-slot is towards baffle plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420526470.7U CN204067262U (en) | 2014-09-13 | 2014-09-13 | A kind of breaker of plastic casing supporter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420526470.7U CN204067262U (en) | 2014-09-13 | 2014-09-13 | A kind of breaker of plastic casing supporter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204067262U true CN204067262U (en) | 2014-12-31 |
Family
ID=52208719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420526470.7U Expired - Fee Related CN204067262U (en) | 2014-09-13 | 2014-09-13 | A kind of breaker of plastic casing supporter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204067262U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105810522A (en) * | 2016-06-02 | 2016-07-27 | 常熟开关制造有限公司(原常熟开关厂） | Heat element structure of releaser of circuit breaker |
| CN105810523A (en) * | 2016-06-02 | 2016-07-27 | 常熟开关制造有限公司(原常熟开关厂） | Heat element structure of releaser of circuit breaker |
-
2014
- 2014-09-13 CN CN201420526470.7U patent/CN204067262U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105810522A (en) * | 2016-06-02 | 2016-07-27 | 常熟开关制造有限公司(原常熟开关厂） | Heat element structure of releaser of circuit breaker |
| CN105810523A (en) * | 2016-06-02 | 2016-07-27 | 常熟开关制造有限公司(原常熟开关厂） | Heat element structure of releaser of circuit breaker |
| CN105810522B (en) * | 2016-06-02 | 2018-03-27 | 常熟开关制造有限公司(原常熟开关厂） | The thermal element structure of circuit breaker release |
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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: 20141231 Termination date: 20170913 |