CN203910702U - Plastic housing circuit breaker with thermal overload alarm non-tripping function - Google Patents
Plastic housing circuit breaker with thermal overload alarm non-tripping function Download PDFInfo
- Publication number
- CN203910702U CN203910702U CN201420322242.8U CN201420322242U CN203910702U CN 203910702 U CN203910702 U CN 203910702U CN 201420322242 U CN201420322242 U CN 201420322242U CN 203910702 U CN203910702 U CN 203910702U
- Authority
- CN
- China
- Prior art keywords
- draw bar
- thermal overload
- breaker
- plastic casing
- alarm
- 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 - Lifetime
Links
- 238000005452 bending Methods 0.000 claims abstract description 28
- 238000001746 injection moulding Methods 0.000 claims description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
Landscapes
- Breakers (AREA)
Abstract
The utility model relates to a plastic housing circuit breaker with a thermal overload alarm non-tripping function, and mainly solves technical problems that an existing thermal overload alarm system of the plastic housing circuit breaker is unreasonable in structure and poor in stability, and has certain influence on alarm. The plastic housing circuit breaker comprises a pedestal, a heating element, a bimetallic sheet, a tripping drag rod, an alarm drag rod and an alarm signal collector. An ejecting rod is fixed on the bimetallic sheet. A bending sheet, which extends to the direction of the tripping drag rod, is fixed on the alarm drag rod. The end part of the bending sheet is provided with a touch part which is arranged between the bimetallic sheet and the tripping drag rod and corresponding to the ejecting rod. The bimetallic sheet bends and drives the ejecting rod to eject the touch part so that the alarm drag rod rotates along a hinging center and touches the alarm signal collector in a pressing way. According to the alarm system of the thermal overload alarm non-tripping plastic housing circuit breaker, the ejecting rod is arranged on the bimetallic sheet, the ejecting rod is driven to eject the alarm drag rod when the bimetallic sheet bends and contact area is small when the bimetallic sheet is in motion so that thermal overload alarm performance is effectively guaranteed.
Description
Technical field
The utility model relates to a kind of low-voltage electrical apparatus, refers in particular to a kind of breaker of plastic casing with thermal overload alarm non-tripping function.
Background technology
China Patent No. is the breaker of plastic casing that a kind of fire-fighting of ZL201120349459 is not threaded off with delayed alarm, thermal overload warning breaker of plastic casing, there is thermal overload warning function non-tripping function, it comprises pedestal, thermal element, bimetallic element, dropout draw bar, warning draw bar and alarm signal collector, thermal element is connected with bimetallic element, in the time there is overload fault in load place, bimetallic element just can heated bending, owing to being connected with screw on bimetallic element, and the other end of screw is stuck in the draw-in groove of warning draw bar, therefore, bimetallic element bending can pull the rotation of warning draw bar by screw, with press alarm signal collector switch realize report to the police, because it is to be stuck in draw-in groove and to be driven warning draw bar to rotate by the nut of screw, screw along draw-in groove inwall slide and pass through nut end face drive, and after trouble shooting, bimetallic element restores, alert draw bar turns round under the effect of return unit, screw all contacts with draw-in groove, easy to wear, along with the prolongation of operating period, easily go out to move un-reasonable phenomenon, stability while causing moving reduces, affect to warning.
Utility model content
In order to overcome shortcoming and the weak point of background technology, the utility model provides a kind of breaker of plastic casing with thermal overload alarm non-tripping function, there is unreasonable structure, poor stability in the thermal overload warning system that solves existing breaker of plastic casing, thereby cause the technical problem of certain influence to warning.
The technical solution of the utility model is: a kind of breaker of plastic casing with thermal overload alarm non-tripping function, comprise base, heater element, bimetal leaf, dropout draw bar, warning draw bar and alarm signal collector, described bimetal leaf is connected between dropout draw bar and warning draw bar and with heater element, and described bimetal leaf is to the bending of dropout draw bar direction, described warning draw bar is articulated with on base, on described bimetal leaf, be fixed with push rod, on described warning draw bar, be fixed with the bending sheet extending to dropout draw bar direction, the end of described bending sheet is provided with touching portion, described touching portion is positioned between bimetal leaf and dropout draw bar and is corresponding with push rod, the bending push rod top that drives of described bimetal leaf presses touching portion form described warning draw bar along hinged central rotation and press alarm signal collector.
Described bending sheet also comprises connecting portion, and described connecting portion is fixedly connected with warning draw bar, and described touching portion is fixedly connected with connecting portion.
Further, described connecting portion and touching portion form the bending sheet of " L " shape.
Further, the end of described push rod is bullet, matches with touching portion in the tip of bullet.
Further again, to be plane contact with touching portion forming surface in the tip of described bullet.
Further, described touching portion is square body, and described warning draw bar is square shape, and described touching portion and warning draw bar be arranged in parallel.
Further, described bimetal leaf is provided with through hole, and described push rod is connected with through hole whorl and passes through fastening nuts.
2 the first supporters separated by a distance and the second supporter are installed on described base, the lower end of described warning draw bar is provided with 2 the first articulated section and the second articulated sections that are articulated with respectively on described the first supporter and the second supporter, and described the first articulated section is provided with described alarm signal collector and presses the pressing plate coordinating.
Described alarm signal collector is installed on the side of the first supporter.
the utlity model has following beneficial effect:the warning system of this thermal overload alarm non-tripping breaker of plastic casing, adopt push rod is set on bimetal leaf, bimetal leaf drives push rod top to press warning draw bar when bending, when action, contact-making surface is few, wearing and tearing are low mutually, there is rational in infrastructure, good stability, effectively ensure the performance that thermal overload is reported to the police.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structure enlarged drawing at I place in the utility model Fig. 1.
Fig. 3 is the structural representation of another angle of the utility model.
Fig. 4 is the structural representation of the utility model inside.
Fig. 5 is the structural representation of draw bar of reporting to the police in the utility model.
In figure, base 1, heater element 2, bimetal leaf 3, dropout draw bar 4, warning draw bar 5, the first articulated sections 51, the second articulated section 52, alarm signal collector 6, push rod 7, bullet 71, tip 711, bending sheet 8, touching portion 81, connecting portion 82, nut 9, pressing plate 10, the first supporters 11, and the second supporter 12.
Embodiment
For accompanying drawing, embodiment of the present utility model is described further below:
As shown in the figure, a kind of breaker of plastic casing with thermal overload alarm non-tripping function, comprise base 1, heater element 2, bimetal leaf 3, dropout draw bar 4, warning draw bar 5 and alarm signal collector 6, described bimetal leaf 3 is connected between dropout draw bar 4 and warning draw bar 5 and with heater element 2, and described bimetal leaf 3 is to the 4 direction bendings of dropout draw bar, described warning draw bar 5 is articulated with on base 1, on described bimetal leaf 3, be fixed with push rod 7, on described warning draw bar 5, be fixed with the bending sheet 8 extending to dropout draw bar 4 directions, the end of described bending sheet 8 is provided with touching portion 81, described touching portion 81 is between bimetal leaf 3 and dropout draw bar and corresponding with push rod, bending push rod 7 tops that drive of described bimetal leaf 3 press touching portion 81 form described warning draw bar 5 along hinged central rotation and press alarm signal collector 6.According to such scheme, the warning system of this thermal overload alarm non-tripping breaker of plastic casing, adopt push rod is set on bimetal leaf, bimetal leaf drives push rod top to press warning draw bar when bending, when action, contact-making surface is few, wearing and tearing are low mutually, have advantages of rational in infrastructure, good stability, effectively ensure the performance that thermal overload is reported to the police.
In the present embodiment, described bending sheet 8 also comprises connecting portion 82, and described connecting portion 82 is fixedly connected with warning draw bar 5, and described touching portion 81 is fixedly connected with connecting portion 82.Described connecting portion 82 and touching portion 81 form the bending sheet 8 of " L " shape.This bending part is formed by connecting with connecting portion 82 by touching portion 81, and is L shaped, and connecting portion 82 is bending shape, drives the rotation of warning draw bar by bending sheet 8, and sampling said structure, distributes rationally, and intensity is high, and the stability of action is high.Described touching portion 81, connecting portion 82 and warning draw bar 5 integrated injection moldings form.One is easy to process, and intensity is high.
In the present embodiment, the end of described push rod 7 is bullet 71, matches with touching portion 81 in the tip 711 of bullet 71.Be the push rod 7 of bullet 71 by adopting end, in the time contacting with touching portion, reduce contact area, improve precision, make the stability of action better.To be plane contact with touching portion 81 forming surfaces in the tip 711 of described bullet 71, prevents the inclined to one side phenomenon in top.
In the present embodiment, described touching portion 81 is square body, and described warning draw bar 5 is square shape, and described touching portion 81 be arranged in parallel with warning draw bar 5, is arranged in parallel, and synchronism improves.
In the present embodiment, described bimetal leaf 3 is provided with through hole, and described push rod 7 is connected with through hole whorl and to pass through nut 9 fastening, easy for installation, simple, easy to adjust.
In the present embodiment, 2 the first supporters 11 separated by a distance and the second supporter 12 are installed on described base, the lower end of described warning draw bar 5 is provided with 2 the first articulated section 51 and the second articulated sections 52 that are articulated with respectively on described the first supporter 11 and the second supporter 12, described the first articulated section 51 is provided with described alarm signal collector 6 and presses the pressing plate 10 coordinating, and described alarm signal collector 6 is installed on the side of the first supporter 11.By 2 supporters are installed on base, warning draw bar is hinged on supporter, and alarm signal collector is arranged on the first supporter 11, match with the pressing plate on the first junction, adopt above-mentioned mounting structure, there is action rationally, the advantages such as compact conformation.
Embodiment should not be considered as the restriction to utility model, but any improvement of doing based on spirit of the present utility model, all should be within protection range of the present utility model.
Claims (10)
1. one kind has the breaker of plastic casing of thermal overload alarm non-tripping function, comprise base (1), heater element (2), bimetal leaf (3), dropout draw bar (4), warning draw bar (5) and alarm signal collector (6), described bimetal leaf (3) is positioned between dropout draw bar (4) and warning draw bar (5) and with heater element (2) and is connected, and described bimetal leaf (3) is to dropout draw bar (4) direction bending, described warning draw bar (5) is articulated with on base (1), it is characterized in that: on described bimetal leaf (3), be fixed with push rod (7), on described warning draw bar (5), be fixed with the bending sheet (8) extending to dropout draw bar (4) direction, the end of described bending sheet (8) is provided with touching portion (81), described touching portion (81) is positioned between bimetal leaf (3) and dropout draw bar and is corresponding with push rod, bending push rod (7) top that drives of described bimetal leaf (3) presses touching portion (81) form described warning draw bar (5) along hinged central rotation and press alarm signal collector (6).
2. the breaker of plastic casing with thermal overload alarm non-tripping function according to claim 1, it is characterized in that: described bending sheet (8) also comprises connecting portion (82), described connecting portion (82) is fixedly connected with warning draw bar (5), and described touching portion (81) is fixedly connected with connecting portion (82).
3. the breaker of plastic casing with thermal overload alarm non-tripping function according to claim 2, is characterized in that: described connecting portion (82) and touching portion (81) form the bending sheet (8) of " L " shape.
4. according to the breaker of plastic casing with thermal overload alarm non-tripping function described in claim 2 or 3, it is characterized in that: described touching portion (81), connecting portion (82) and warning draw bar (5) integrated injection molding form.
5. according to the breaker of plastic casing with thermal overload alarm non-tripping function described in claim 1 or 2 or 3, it is characterized in that: the end of described push rod (7) is bullet (71), matches with touching portion (81) in the tip (711) of bullet (71).
6. the breaker of plastic casing with thermal overload alarm non-tripping function according to claim 5, is characterized in that: the tip (711) of described bullet (71) contacts with touching portion (81) forming surface for plane.
7. according to the breaker of plastic casing with thermal overload alarm non-tripping function described in claim 1 or 2 or 3, it is characterized in that: described touching portion (81) is square body, described warning draw bar (5) is square shape, and described touching portion (81) be arranged in parallel with warning draw bar (5).
8. according to the breaker of plastic casing with thermal overload alarm non-tripping function described in claim 1 or 2 or 3, it is characterized in that: described bimetal leaf (3) is provided with through hole, described push rod (7) is connected with through hole whorl and to pass through nut (9) fastening.
9. according to the breaker of plastic casing with thermal overload alarm non-tripping function described in claim 1 or 2 or 3, it is characterized in that: 2 the first supporters (11) separated by a distance and the second supporter (12) are installed on described base, the lower end of described warning draw bar (5) is provided with 2 the first articulated section (51) and the second articulated section (52) that are articulated with respectively on described the first supporter (11) and the second supporter (12), and described the first articulated section (51) is provided with described alarm signal collector (6) and presses the pressing plate (10) coordinating.
10. the breaker of plastic casing with thermal overload alarm non-tripping function according to claim 9, is characterized in that: described alarm signal collector (6) is installed on the side of the first supporter (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420322242.8U CN203910702U (en) | 2014-06-17 | 2014-06-17 | Plastic housing circuit breaker with thermal overload alarm non-tripping function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420322242.8U CN203910702U (en) | 2014-06-17 | 2014-06-17 | Plastic housing circuit breaker with thermal overload alarm non-tripping function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203910702U true CN203910702U (en) | 2014-10-29 |
Family
ID=51784957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420322242.8U Expired - Lifetime CN203910702U (en) | 2014-06-17 | 2014-06-17 | Plastic housing circuit breaker with thermal overload alarm non-tripping function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203910702U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105990073A (en) * | 2015-02-13 | 2016-10-05 | 上海良信电器股份有限公司 | Overload alarm non-tripping device of molded case circuit breaker |
| CN108257826A (en) * | 2018-02-05 | 2018-07-06 | 德力西电气有限公司 | It is a kind of that there is the breaker of plastic casing of overload-alarm |
| CN108321044A (en) * | 2018-04-13 | 2018-07-24 | 法泰电器（江苏）股份有限公司 | A kind of breaker of plastic casing overload-alarm non-tripping device |
-
2014
- 2014-06-17 CN CN201420322242.8U patent/CN203910702U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105990073A (en) * | 2015-02-13 | 2016-10-05 | 上海良信电器股份有限公司 | Overload alarm non-tripping device of molded case circuit breaker |
| CN108257826A (en) * | 2018-02-05 | 2018-07-06 | 德力西电气有限公司 | It is a kind of that there is the breaker of plastic casing of overload-alarm |
| CN108321044A (en) * | 2018-04-13 | 2018-07-24 | 法泰电器（江苏）股份有限公司 | A kind of breaker of plastic casing overload-alarm non-tripping device |
| CN108321044B (en) * | 2018-04-13 | 2024-02-27 | 法泰电器（江苏）股份有限公司 | Overload alarm non-tripping device for molded case circuit breaker |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203910702U (en) | Plastic housing circuit breaker with thermal overload alarm non-tripping function | |
| CN202908514U (en) | Electric heating device capable of achieving on-off state by induction weight | |
| CN204480977U (en) | There is the breaker of plastic casing of overload-alarm non-tripping function | |
| CN202268313U (en) | Delayed-alarming and non-tripping molded case circuit breaker used for fire protection | |
| CN204424127U (en) | A kind of sensitive switch of resistance to rush of current | |
| CN203030779U (en) | Feed structure of stamping die | |
| CN203165683U (en) | Stay wire/button dual-purpose alarm switch | |
| CN206040572U (en) | Overload of circuit breaker not trip gear that reports to police | |
| CN203155742U (en) | Extruder for copper processing | |
| CN203218174U (en) | Falling switch | |
| CN203135245U (en) | Novel switch cabinet pressure-releasing device | |
| CN202498710U (en) | Mould pre-reset protecting mechanism | |
| CN204088234U (en) | A kind of under voltage reclosing signal output apparatus | |
| CN205911255U (en) | HM60 of circuit breaker 400 overload not trip gear that reports to police | |
| CN203690185U (en) | Novel conductive device for isolating switch | |
| CN201540841U (en) | Stroke controllable button | |
| CN204390950U (en) | A kind of touch switch | |
| CN205645675U (en) | Auto -lock pressure switch | |
| CN203445854U (en) | Physical wireless conduction switch of vehicle-mounted control panel | |
| CN201038097Y (en) | Drop-off type fuse | |
| CN203644626U (en) | V-shaped locus pushing structure of automobile combined switch | |
| CN202331731U (en) | Rain alarm | |
| CN203541206U (en) | Punching assembly for manually adjusting mechanical crankshaft in rotating mode | |
| CN201829433U (en) | Tripping device structure of circuit breaker | |
| CN202796556U (en) | Installing device for switch base |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141029 |