CN111524762A - Moulded case circuit breaker tripping structure - Google Patents
Moulded case circuit breaker tripping structure Download PDFInfo
- Publication number
- CN111524762A CN111524762A CN202010362582.3A CN202010362582A CN111524762A CN 111524762 A CN111524762 A CN 111524762A CN 202010362582 A CN202010362582 A CN 202010362582A CN 111524762 A CN111524762 A CN 111524762A
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- CN
- China
- Prior art keywords
- top end
- plate
- circuit breaker
- bottom plate
- case circuit
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- 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.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
Abstract
The invention discloses a tripping structure of a molded case circuit breaker, which solves the problems of complex structure, complex manufacturing and assembling steps, high production cost and high price of the tripping structure of the molded case circuit breaker, and comprises a bottom plate, wherein one side of the bottom plate is fixedly provided with a first wiring post, the top end of the first wiring post is provided with a first metal plate, the top end of the first metal plate is connected with a first supporting plate, the middle part of the top end of the first supporting plate is provided with a second switch, the other side of the bottom plate is fixedly provided with a fourth wiring post, the top end of the fourth wiring post is connected with a fourth metal plate, one side of the top end of the first supporting plate is provided with a first guide pillar, the other side of the top end of the first supporting plate is connected with a second guide pillar, the outer side of the first guide pillar is sleeved with a, the steps of manufacturing and assembling are not cumbersome, reducing the production cost and thus the selling price.
Description
Technical Field
The invention belongs to the technical field of tripping structures, and particularly relates to a tripping structure of a molded case circuit breaker.
Background
The tripping structure is an important component for promoting the automatic tripping of the switch in an operating system, when the breaker is in a closing process and at a closing position, the tripping mechanism acts as a force fulcrum, when the breaker is automatically tripped, the tripping mechanism is operated by the tripping device to remove the fulcrum, so that the breaker enters a free opening state, in a popular way, a lever and a spring mechanism in the switch are supported by a tripper, once the tripper acts, the lever and the spring mechanism in the switch can be freely reset, namely the switch trips, and the tripper is equivalent to a pin for hanging bait in a rat trap.
However, the current tripping structure of the molded case circuit breaker has the problems of complex structure, complex manufacturing and assembling steps and high production cost, and the tripping structure of the molded case circuit breaker has the problems of complex structure, complex manufacturing and assembling steps and high production cost, thus leading to high price.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the tripping structure of the molded case circuit breaker, which effectively solves the problems of complex structure, complex manufacturing and assembling steps, high production cost and high price of the tripping structure of the molded case circuit breaker.
In order to achieve the purpose, the invention provides the following technical scheme: a tripping structure of a molded case circuit breaker comprises a bottom plate, wherein a first binding post is fixed on one side of the bottom plate, a first metal plate is installed at the top end of the first binding post, the top end of the first metal plate is connected with a first supporting plate, a second switch is installed in the middle of the top end of the first supporting plate, a fourth binding post is fixed on the other side of the bottom plate, a fourth metal plate is connected with the top end of the fourth binding post, a first guide post is installed on one side of the top end of the first supporting plate, a second guide post is connected with the other side of the top end of the first supporting plate, a first contact piece is sleeved on the outer side of the first guide post, a lead screw is installed in the middle of the first contact piece, a motor is connected with the top end of the lead screw, a first switch is installed on the top end of the motor, a, the fixed plate is fixed on the top end of the bottom plate, the fixed hole is formed in the middle of the fixed plate, and the shell is sleeved on the outer side of the bottom plate.
Preferably, the top of the bottom plate is provided with a through groove.
Preferably, a plastic protective sleeve is sleeved on the outer side of the first switch.
Preferably, the housing is a plastic member.
Preferably, both ends of the first contact piece are made of conductive materials, and the middle part of the first contact piece is made of insulating materials.
Preferably, the distance between the first guide pillar and the second metal plate is smaller than the thickness of the first contact sheet.
Compared with the prior art, the invention has the beneficial effects that:
the invention has simple structure, less complicated manufacturing and assembling steps and reduced production cost, thereby reducing the selling price.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of a lead screw mounting structure according to the present invention;
fig. 2 is a schematic view of the overall structure of the present invention.
In the figure: 1. a base plate; 2. a first terminal post; 3. a first metal plate; 4. a first support plate; 5. a first guide post; 6. a first contact pad; 7. a screw rod; 8. a motor; 9. a first switch; 10. a second metal plate; 11. a second terminal; 12. a fixing hole; 13. a third terminal; 14. a third metal plate; 15. A second guide post; 16. a second switch; 17. a fourth metal plate; 18. a fourth terminal; 19. a fixing plate; 20. a housing.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
First embodiment, as shown in fig. 1 and 2, the present invention comprises a bottom plate 1, a first terminal 2 is fixed on one side of the bottom plate 1, a first metal plate 3 is installed on the top end of the first terminal 2, a first support plate 4 is connected to the top end of the first metal plate 3, a second switch 16 is installed on the middle portion of the top end of the first support plate 4, a fourth terminal 18 is fixed on the other side of the bottom plate 1, a fourth metal plate 17 is connected to the top end of the fourth terminal 18, a first guide pillar 5 is installed on one side of the top end of the first support plate 4, a second guide pillar 15 is connected to the other side of the top end of the first support plate 4, a first contact piece 6 is sleeved on the outer side of the first guide pillar 5, a lead screw 7 is installed on the middle portion of the first contact piece 6, a motor 8 is connected to the top end of the lead screw 7, a, a third metal plate 14 is fixed to the other side of the middle of the bottom plate 1, a third binding post 13 is connected to the top end of the third metal plate 14, a fixing plate 19 is fixed to the top end of the bottom plate 1, a fixing hole 12 is formed in the middle of the fixing plate 19, and a shell 20 is sleeved on the outer side of the bottom plate 1.
In the second embodiment, on the basis of the first embodiment, as shown in fig. 1 and fig. 2, a through groove is formed at the top of the bottom plate 1, so that a screw can be installed in the fixing hole 12 through the through groove.
In the third embodiment, on the basis of the first embodiment, as shown in fig. 1 and fig. 2, a plastic protective sleeve is sleeved outside the first switch 9, so that accidents caused by mistaken collision are prevented.
Fourth embodiment, on the basis of the first embodiment, as shown in fig. 1 and 2, the housing 20 is a plastic member, which may have an insulating function.
Fifth embodiment, based on the first embodiment, as shown in fig. 1 and 2, both ends of the first contact piece 6 are made of conductive material, and the middle of the first contact piece 6 is made of insulating material, so as to prevent the second metal plate 10 and the third metal plate 14 from being short-circuited.
Sixth embodiment, based on the first embodiment, as shown in fig. 1 and 2, the distance between the first guide post 5 and the second metal plate 10 is smaller than the thickness of the first contact piece 6, so that the first contact piece 6 can be connected to the gap between the first guide post 5 and the second metal plate 10.
The working principle is as follows: when a tripping structure of the molded case circuit breaker is used, a fixing plate 19 is fixed by screws through a fixing hole 12, a live wire and a zero wire are respectively inserted into holes formed in a second binding post 11 and a third binding post 13, the live wire and the zero wire are fixed by screws of the second binding post 11 and the third binding post 13, a first binding post 2 and a fourth binding post 18 adopt the same connection mode of the second binding post 11 and the third binding post 13, a voltage sensor is installed at the bottom end of a second switch 16, when external voltage is overloaded, the voltage sensor transmits an electric signal to a first switch 9 to enable the motor 8 to rotate, so that the second metal plate 10 and the third metal plate 14 are disconnected from the first contact piece 6, the first switch 9 is provided with two switches connected in parallel, the forward rotation and the reverse rotation of the motor 8 are respectively controlled, the up-and-down movement of the first contact piece 6 can be controlled, the first guide post 5 and the second guide post 15 are made of metal, when the first contact piece 6 is connected with the first guide post 5 and the second guide post, current can be transmitted to an external electric appliance, when the first contact piece 6 is disconnected with the first guide post 5 and the second guide post, the current cannot be transmitted to the electric appliance, a voltage sensor is mounted at the bottom end of the second switch 16 and is connected with two switches which are mounted in parallel and connected with the first switch 9, a voltage sensor is mounted at the bottom end of the second switch 16, and only when the voltage reaches a set overload value, the motor 8 can be controlled to rotate, so that the first contact piece 6 is disconnected with the first guide post 5 and the second guide post. The safety of power utilization can be protected.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a moulded case circuit breaker dropout structure, includes bottom plate (1), its characterized in that: a first wiring terminal (2) is fixed on one side of the bottom plate (1), a first metal plate (3) is installed on the top end of the first wiring terminal (2), a first supporting plate (4) is connected to the top end of the first metal plate (3), a second switch (16) is installed in the middle of the top end of the first supporting plate (4), a fourth wiring terminal (18) is fixed on the other side of the bottom plate (1), a fourth metal plate (17) is connected to the top end of the fourth wiring terminal (18), a first guide pillar (5) is installed on one side of the top end of the first supporting plate (4), a second guide pillar (15) is connected to the other side of the top end of the first supporting plate (4), a first contact piece (6) is sleeved on the outer side of the first guide pillar (5), a lead screw (7) is installed in the middle of the first contact piece (6), a motor (8) is connected to the top end of the lead screw (, second terminal (11) are installed on second metal sheet (10) top, and bottom plate (1) middle part opposite side is fixed with third metal sheet (14), and third metal sheet (14) top is connected with third terminal (13), and bottom plate (1) top is fixed with fixed plate (19), and fixed orifices (12) have been seted up in fixed plate (19) middle part, and shell (20) have been cup jointed in bottom plate (1) outside.
2. The molded case circuit breaker trip structure of claim 1, wherein: the top of the bottom plate (1) is provided with a through groove.
3. The molded case circuit breaker trip structure of claim 1, wherein: and a plastic protective sleeve is sleeved on the outer side of the first switch (9).
4. The molded case circuit breaker trip structure of claim 1, wherein: the housing (20) is a plastic member.
5. The molded case circuit breaker trip structure of claim 1, wherein: the two ends of the first contact piece (6) are made of conductive materials, and the middle part of the first contact piece (6) is made of insulating materials.
6. The molded case circuit breaker trip structure of claim 1, wherein: the distance between the first guide post (5) and the second metal plate (10) is smaller than the thickness of the first contact sheet (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010362582.3A CN111524762A (en) | 2020-04-30 | 2020-04-30 | Moulded case circuit breaker tripping structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010362582.3A CN111524762A (en) | 2020-04-30 | 2020-04-30 | Moulded case circuit breaker tripping structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111524762A true CN111524762A (en) | 2020-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010362582.3A Pending CN111524762A (en) | 2020-04-30 | 2020-04-30 | Moulded case circuit breaker tripping structure |
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| Country | Link |
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| CN (1) | CN111524762A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204167130U (en) * | 2014-09-26 | 2015-02-18 | 成都锐奕信息技术有限公司 | Based on the travel switch improving reaction efficiency |
| CN206849786U (en) * | 2017-05-23 | 2018-01-05 | 德勒科技有限公司 | A kind of breaker of plastic casing being easily installed |
| CN107946678A (en) * | 2017-12-26 | 2018-04-20 | 彭旭华 | A kind of double relay lithium battery administrative protection device |
| CN110459442A (en) * | 2019-09-18 | 2019-11-15 | 国网山西省电力公司长治供电公司 | A kind of One In and Two Out double-side operation low-pressure plastic shell circuit breaker |
| CN210378786U (en) * | 2019-07-02 | 2020-04-21 | 徐州瓦特电气科技有限公司 | Electric operating mechanism with gas insulation combination switch |
-
2020
- 2020-04-30 CN CN202010362582.3A patent/CN111524762A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204167130U (en) * | 2014-09-26 | 2015-02-18 | 成都锐奕信息技术有限公司 | Based on the travel switch improving reaction efficiency |
| CN206849786U (en) * | 2017-05-23 | 2018-01-05 | 德勒科技有限公司 | A kind of breaker of plastic casing being easily installed |
| CN107946678A (en) * | 2017-12-26 | 2018-04-20 | 彭旭华 | A kind of double relay lithium battery administrative protection device |
| CN210378786U (en) * | 2019-07-02 | 2020-04-21 | 徐州瓦特电气科技有限公司 | Electric operating mechanism with gas insulation combination switch |
| CN110459442A (en) * | 2019-09-18 | 2019-11-15 | 国网山西省电力公司长治供电公司 | A kind of One In and Two Out double-side operation low-pressure plastic shell circuit breaker |
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Application publication date: 20200811 |
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