CN107799368A - Breaker of plastic casing structure of contact terminal - Google Patents
Breaker of plastic casing structure of contact terminal Download PDFInfo
- Publication number
- CN107799368A CN107799368A CN201711145756.5A CN201711145756A CN107799368A CN 107799368 A CN107799368 A CN 107799368A CN 201711145756 A CN201711145756 A CN 201711145756A CN 107799368 A CN107799368 A CN 107799368A
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- CN
- China
- Prior art keywords
- iron core
- breaker
- plastic casing
- casing structure
- contact terminal
- 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.)
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
- H01H73/02—Details
- H01H73/04—Contacts
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Abstract
The present invention relates to breaker of plastic casing structure of contact terminal, including static contact, one end of static contact is the U-shaped bending end with U-shaped cavity, also include the magnet assemblies being arranged in U-shaped cavity, the bottom wall of the U-shaped bending end is provided with contact bottom outlet, the bottom of the magnet assemblies is provided with the magnet bottom outlet corresponding with the contact bottom outlet, and breaker of plastic casing structure of contact terminal also includes being used to be inserted into the locating dowel in the contact bottom outlet and magnet bottom outlet to position magnet assemblies.First magnet assemblies are installed in the U-shaped cavity of U-shaped bending end during assembling, then static contact is installed in locating dowel, locating dowel is through contact bottom outlet and is connected in magnet bottom outlet；Locating dowel is unloaded during dismounting, magnet assemblies are translated out from U-shaped cavity reclaimed water.Compared to prior art, attachment structure is simple, magnet assemblies convenient disassembly.
Description
Technical field
The present invention relates to a kind of breaker of plastic casing structure of contact terminal.
Background technology
Application of the low-pressure plastic shell circuit breaker in low-voltage distribution system is more and more extensive, and it is responsible for protection and control circuit
Dual role, security, dependable with function to whole line system play vital effect, breaker structure
It is different also very big on properties of product influence.Existing low-pressure plastic shell circuit breaker contact system is mainly by moving contact and static contact group
Into, breaker, moment to the arc blow-out power very little of electric arc, greatly reduces the breaking capacity of breaker after moving contact reprimand is opened, and
Reliable breaking is not high.
The Chinese utility model patent that notification number is CN206312854U, the day for announcing is 2017.07.07 discloses a kind of disconnected
The contact apparatus of road device, including static contact and moving contact, static contact one end are U-shaped bending end, and magnetic is provided with the cavity of U-shaped bending
Iron component, magnet assemblies include iron core and the iron core shell for iron core installation, and the bottom wall of iron core shell is provided with bottom protrusion, U
The bottom wall of shape bending end is provided with the groove being embedded in for the bottom protrusion of iron core shell, real by the cooperation of bottom protrusion and groove
Now to the positioning of magnet assemblies.
Existing breaker of plastic casing in the U-shaped bending end of static contact by setting magnet assemblies preferably to solve open circuit
The problem of breaking capacity of device is low, reliable breaking is not high.But due to the height space in the U-shaped bending end of static contact compared with
Small, magnet assemblies thickness can not be too thick, and iron core can not be set excessive, when mounted installation of the U-shaped bending end to magnet assemblies
Impact, cause installation inconvenience.
The content of the invention
It is an object of the invention to provide a kind of breaker of plastic casing structure of contact terminal, to solve in existing breaker of plastic casing
The problem of magnet assemblies installation is inconvenient be present in structure of contact terminal.
To achieve the above object, the scheme 1 of breaker of plastic casing structure of contact terminal of the invention is：Breaker of plastic casing structure of contact terminal
Including static contact, one end of static contact is the U-shaped bending end with U-shaped cavity, in addition to the group of magnets being arranged in U-shaped cavity
Part, the bottom wall of the U-shaped bending end are provided with contact bottom outlet, and the bottom of the magnet assemblies is provided with relative with the contact bottom outlet
The magnet bottom outlet answered, breaker of plastic casing structure of contact terminal also include being used to be inserted into the contact bottom outlet and magnet bottom outlet with to magnetic
The locating dowel that iron component is positioned.
Scheme 2 is the breaker of plastic casing structure of contact terminal according to scheme 1, and breaker of plastic casing structure of contact terminal also includes using
In the support member being supported to the U-shaped bending end, the locating dowel is arranged on support member.
Scheme 3 is the breaker of plastic casing structure of contact terminal according to scheme 2, and the magnet assemblies include more than two pieces simultaneously
Arrange the iron core of setting and for carrying out circumferentially positioned iron core shell to iron core, iron core shell is provided with to be inserted for the locating dowel
Housing bottom outlet.
Scheme 4 is the breaker of plastic casing structure of contact terminal according to scheme 3, and the iron core shell is opening up square
Shape housing, the housing bottom outlet are arranged on the bottom wall of iron core shell, and each iron core is set perpendicular to the bottom wall of iron core shell.
Scheme 5 is the breaker of plastic casing structure of contact terminal according to scheme 4, and the cross section face of the locating dowel is oval
Shape, each iron core is set perpendicular to the length direction of oval tee section and mandrel bottom is provided with for positioning column end insertion
Groove.
Scheme 6 is the breaker of plastic casing structure of contact terminal according to scheme 5, and two vertical edges of the iron core, which are provided with, to be used
In the step spacing with the top backstop of the iron core shell when iron core is installed, step has stop surface directed downwardly.
Scheme 7 is the breaker of plastic casing structure of contact terminal according to scheme 5 or 6, and the locating dowel is hollow-core construction.
Scheme 8 is, according to the breaker of plastic casing structure of contact terminal described in scheme 4 or 5 or 6, the iron core be provided with perpendicular to
The rivet that the plate face of iron core is set, the side wall of the iron core shell are provided with the otch for rivet insertion upward,
The end face of the close otch of iron core shell applies axial tension for rivet.
Scheme 9 is that the breaker of plastic casing structure of contact terminal according to scheme 8, the rivet has spaced two
Individual, the otch being arranged in the same side wall of iron core shell has two, and each otch corresponds with each rivet.
Scheme 10 is that the breaker of plastic casing structure of contact terminal according to scheme 9, the lower opening's edge of the otch is connected with direction
The flanging of the outside turnover of the iron core shell.
The beneficial effects of the invention are as follows：First magnet assemblies are installed in the U-shaped cavity of U-shaped bending end during assembling, then will
Static contact is installed in locating dowel, and locating dowel is through contact bottom outlet and is connected in magnet bottom outlet；Locating dowel is unloaded during dismounting,
Magnet assemblies are translated out from U-shaped cavity reclaimed water.Compared to prior art, attachment structure is simple, magnet assemblies convenient disassembly.
Further, magnet assemblies include more than the two pieces iron cores being set up in parallel and are arranged on the periphery of each iron core with to iron
Core carries out circumferentially fixed iron core shell, and iron core shell is provided with the perforation passed through for locating dowel；Increase the quantity of iron core, enhancing
Magnetic blow-out effect.
Further, iron core is vertically arranged in iron core shell, because the height space in U-shaped cavity is limited, height side
The space for being available for iron core to be set up in parallel upwards is smaller, using being set up in parallel form can be set more iron cores vertically.
Further, the two of iron core vertical sides are provided with and matched somebody with somebody when iron core is installed for the top surface backstop with iron core shell
The step of conjunction；Increase the positioning to iron core, ensure each iron core alignment being set up in parallel, ensure iron core using effect.
Further, iron core is provided with rivet, and iron core shell is provided with otch, and iron core is arranged in rivet during assembling
Portion, the end of rivet is pressed on the end face of close otch of iron core shell after rivet is tensed；Iron core is linked to be with iron core shell
One, connection are firm.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment one of the breaker of plastic casing structure of contact terminal of the present invention；
Fig. 2 is the installation diagram of static contact and support member；
Fig. 3 is the stereogram of static contact；
Fig. 4 is the stereogram of support member；
Fig. 5 is Fig. 4 upward view；
Fig. 6 is the stereogram of iron core shell；
Fig. 7 is the stereogram of iron core.
Embodiment
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
The embodiment one of the breaker of plastic casing structure of contact terminal of the present invention, as shown in Figures 1 to 7, including breaker body 16,
Static contact 1 and support member 6, it is U-shaped that one end of static contact 1, which is provided with connecting hole, the other end for being used for being connected with the pedestal of breaker,
Bending end, U-shaped bending end have U-shaped cavity, and the top at U-shaped bending end is provided with arc leading angle 2 and silver point 3；Use one end of support member 6
It is supported in U-shaped bending end, supporting surface is provided with the locating dowel 12 upwardly extended, and the bottom of the other end, which is provided with, to be used for breaking
Two connecting holes 17 that road device body 16 connects.
The bottom wall of U-shaped bending end is provided with the contact bottom outlet 11 passed through for locating dowel 12, and locating dowel 12 is flat post, positioning
Post 12 is hollow structure, and contact bottom outlet 11 is mounting hole.Breaker of plastic casing structure of contact terminal also includes the U for being arranged on U-shaped bending end
Magnet assemblies in shape cavity, magnet assemblies include more than the two pieces iron cores 4 being set up in parallel and the iron core shell installed for iron core 4
5。
Iron core 4 in the present embodiment is platy structure, and iron core shell 5 is opening up rectangular housing, iron core shell 5
Bottom wall is provided with the housing bottom outlet 8 passed through for locating dowel 12；Iron core 4 is set in iron core shell 5 perpendicular to the bottom surface of iron core shell 5
Put and perpendicular with locating dowel 12.The open-topped interior opening's edge of iron core shell 5 is provided with interior chamfering 7, facilitates iron core 4 to pacify
Dress.
The bottom of iron core 4 is provided with the U-shaped groove 15 of one end insertion of the insertion iron core shell 5 for locating dowel 12；Iron core 4
The bottom of two vertical sides is provided with when installing iron core 4 for the step 10 that backstop is carried out with the top of iron core shell 5, step 10
With step surface directed downwardly.
Iron core shell 5 and iron core 4 in the present embodiment use rivet interlacement, and iron core 4 is provided with two rivetings being set up in parallel
Nail perforation 9, rivet 9 is circular hole；The top of iron core shell 5 is provided with rectangular slits 13, and rectangular slits 13 are embedded in for rivet, iron
The end face of the close rectangular slits 13 of core housing 5 tenses for rivet, and the rectangular slits 13 in same side wall have spaced two
Individual, the lower opening's edge of each rectangular slits 13 is connected with the flanging 14 of the outside turnover towards iron core shell 5.
During assembling, first each iron core 4 is installed in iron core shell 5, iron core 4 and iron core shell 5 are connected as a single entity with rivet,
Iron core shell 5 is installed in the U-shaped cavity of static contact 1, housing bottom outlet 8 and the position correspondence of contact bottom outlet 11, static contact 1 pacified
It is attached on support member 6, the upper end of locating dowel 12 is inserted into the U-shaped groove 15 of the bottom of iron core 4；By 5 groups of iron core 4 and iron core shell
Into the positions of magnet assemblies fixed on static contact 1.
Compared to prior art, magnet assemblies are positioned using locating dowel 12, simple in construction, convenient disassembly, performance
Stable, magnetic blow-out riveting part can strengthen magnetic field, play magnetic conduction effect, pilot arc is rapidly introduced into arc-chutes, to electric arc
Arc blow-out power is very big, can effective arc extinguishing, so as to strengthen the reliable breaking of breaker, and improve its breaking capacity.
In addition, iron core 4 is higher by rivet interlacement one, bonding strength with iron core shell 5.Due to the U-shaped of U-shaped bending end
Height space in cavity is limited, and iron core 4 can increase the quantity of settable iron core 4 using the form being vertically arranged.
Embodiment two, the difference of embodiment two and embodiment one are：Core assembly only includes more than two pieces of iron
Core, each iron core is folded along the vertical direction in the U-shaped bending end of static contact to be set, and is provided with the middle part of iron core and is passed through from the bottom to top for locating dowel
Centre bore.Alternatively, it is also possible to set iron core shell in the periphery of iron core, the side wall of iron core shell is provided with support member
The housing bore that locating dowel passes through.
Embodiment three, the difference of embodiment three and embodiment one are：Iron core shell can also be arranged to cross section
For the rectangular sleeve of rectangle, rectangular sleeve has the centre bore of up/down perforation, and each iron core arrangement is in the centre bore of rectangular sleeve.
Example IV, the difference of example IV and embodiment one are：In the middle part of iron core and in the side wall of iron core shell
It is respectively equipped with and supplies bolt penetration hole, iron core is installed in iron core shell during assembling, then screw is penetrated by the side of iron core shell,
Screw sequentially passes through each iron core, and the other end of screw stretches out iron core shell, fixed screw with nut.
In other embodiments, support member can also be not provided with, and locating dowel is arranged on to other structures of breaker of plastic casing
On part, such as locating dowel is arranged on breaker body.
Claims (10)
1. breaker of plastic casing structure of contact terminal, including static contact, one end of static contact is the U-shaped bending end with U-shaped cavity, is also wrapped
The magnet assemblies being arranged in U-shaped cavity are included, the bottom wall of the U-shaped bending end is provided with contact bottom outlet, it is characterised in that：It is described
The bottom of magnet assemblies is provided with the magnet bottom outlet corresponding with the contact bottom outlet, and breaker of plastic casing structure of contact terminal also includes being used for
It is inserted into the locating dowel to be positioned to magnet assemblies in the contact bottom outlet and magnet bottom outlet.
2. breaker of plastic casing structure of contact terminal according to claim 1, it is characterised in that：Breaker of plastic casing structure of contact terminal also wraps
The support member for being supported to the U-shaped bending end is included, the locating dowel is arranged on support member.
3. breaker of plastic casing structure of contact terminal according to claim 2, it is characterised in that：The magnet assemblies include two pieces with
On the iron core that is set up in parallel and for carrying out circumferentially positioned iron core shell to iron core, iron core shell, which is provided with, supplies the locating dowel
The housing bottom outlet of insertion.
4. breaker of plastic casing structure of contact terminal according to claim 3, it is characterised in that：The iron core shell is opening up
Rectangular housing, the housing bottom outlet is arranged on the bottom wall of iron core shell, bottom wall of each iron core perpendicular to iron core shell
Set.
5. breaker of plastic casing structure of contact terminal according to claim 4, it is characterised in that：The cross section face of the locating dowel is
Kidney ellipsoid, each iron core is set perpendicular to the length direction of oval tee section and mandrel bottom is provided with and inserted for positioning column end
The groove entered.
6. breaker of plastic casing structure of contact terminal according to claim 5, it is characterised in that：Set on two vertical edges of the iron core
Have has stop surface directed downwardly for the step spacing with the top backstop of the iron core shell when iron core is installed, step.
7. the breaker of plastic casing structure of contact terminal according to claim 5 or 6, it is characterised in that：The locating dowel is hollow knot
Structure.
8. according to the breaker of plastic casing structure of contact terminal described in claim 4 or 5 or 6, it is characterised in that：The iron core, which is provided with, to hang down
The rivet directly set in the plate face of iron core, the side wall of the iron core shell are provided with cutting for rivet insertion upward
Mouthful, the end face of the close otch of iron core shell applies axial tension for rivet.
9. breaker of plastic casing structure of contact terminal according to claim 8, it is characterised in that：The rivet has interval setting
Two, the otch being arranged in the same side wall of iron core shell has two, and each otch corresponds with each rivet.
10. breaker of plastic casing structure of contact terminal according to claim 9, it is characterised in that：The lower opening's edge connection of the otch
There is the flanging of the outside turnover towards the iron core shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711145756.5A CN107799368B (en) | 2017-11-17 | 2017-11-17 | Contact structure of plastic case circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711145756.5A CN107799368B (en) | 2017-11-17 | 2017-11-17 | Contact structure of plastic case circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107799368A true CN107799368A (en) | 2018-03-13 |
| CN107799368B CN107799368B (en) | 2020-01-10 |
Family
ID=61535205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711145756.5A Active CN107799368B (en) | 2017-11-17 | 2017-11-17 | Contact structure of plastic case circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107799368B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103681122A (en) * | 2012-09-11 | 2014-03-26 | Ls产电株式会社 | Stationary contact arm assembly for molded case circuit breaker |
| CN205081080U (en) * | 2015-11-06 | 2016-03-09 | 精益联合集团有限公司 | Static contact |
| CN205104458U (en) * | 2015-11-06 | 2016-03-23 | 派森特电气有限公司 | Breaker contact system |
| CN205582867U (en) * | 2016-03-16 | 2016-09-14 | 北京北元电器有限公司 | Be applied to moulded case circuit breaker's magnetic blow -out structure and moulded case circuit breaker |
| CN205789824U (en) * | 2016-03-04 | 2016-12-07 | 温州中菱电器有限公司 | The conducting system current limliting of a kind of case circuit breaker scolds opening apparatus |
| CN206312854U (en) * | 2017-01-06 | 2017-07-07 | 常熟开关制造有限公司(原常熟开关厂） | The contact apparatus of breaker |
| CN206516591U (en) * | 2017-01-11 | 2017-09-22 | 浙江正泰电器股份有限公司 | A kind of current-limiting type static contact structure |
| EP3232457A1 (en) * | 2016-04-15 | 2017-10-18 | Schneider Electric Industries SAS | Dc electrical circuit breaker |
| CN207611729U (en) * | 2017-11-17 | 2018-07-13 | 河南森源电气股份有限公司 | A kind of breaker of plastic casing structure of contact terminal |
-
2017
- 2017-11-17 CN CN201711145756.5A patent/CN107799368B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103681122A (en) * | 2012-09-11 | 2014-03-26 | Ls产电株式会社 | Stationary contact arm assembly for molded case circuit breaker |
| CN205081080U (en) * | 2015-11-06 | 2016-03-09 | 精益联合集团有限公司 | Static contact |
| CN205104458U (en) * | 2015-11-06 | 2016-03-23 | 派森特电气有限公司 | Breaker contact system |
| CN205789824U (en) * | 2016-03-04 | 2016-12-07 | 温州中菱电器有限公司 | The conducting system current limliting of a kind of case circuit breaker scolds opening apparatus |
| CN205582867U (en) * | 2016-03-16 | 2016-09-14 | 北京北元电器有限公司 | Be applied to moulded case circuit breaker's magnetic blow -out structure and moulded case circuit breaker |
| EP3232457A1 (en) * | 2016-04-15 | 2017-10-18 | Schneider Electric Industries SAS | Dc electrical circuit breaker |
| CN206312854U (en) * | 2017-01-06 | 2017-07-07 | 常熟开关制造有限公司(原常熟开关厂） | The contact apparatus of breaker |
| CN206516591U (en) * | 2017-01-11 | 2017-09-22 | 浙江正泰电器股份有限公司 | A kind of current-limiting type static contact structure |
| CN207611729U (en) * | 2017-11-17 | 2018-07-13 | 河南森源电气股份有限公司 | A kind of breaker of plastic casing structure of contact terminal |
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| Publication number | Publication date |
|---|---|
| CN107799368B (en) | 2020-01-10 |
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