CN207611729U - A kind of breaker of plastic casing structure of contact terminal - Google Patents
A kind of breaker of plastic casing structure of contact terminal Download PDFInfo
- Publication number
- CN207611729U CN207611729U CN201721542042.3U CN201721542042U CN207611729U CN 207611729 U CN207611729 U CN 207611729U CN 201721542042 U CN201721542042 U CN 201721542042U CN 207611729 U CN207611729 U CN 207611729U
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- CN
- China
- Prior art keywords
- iron core
- breaker
- plastic casing
- casing structure
- contact terminal
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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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Abstract
The utility model is related to a kind of breaker of plastic casing structure of contact terminals, including static contact, one end of static contact is the U-shaped bending end with U-shaped cavity, further include the magnet assemblies being arranged in U-shaped cavity, the bottom wall of the U-shaped bending end is equipped with contact bottom outlet, the bottom of the magnet assemblies is equipped with magnet bottom outlet corresponding with the contact bottom outlet, and breaker of plastic casing structure of contact terminal further includes the positioning column for being inserted into the contact bottom outlet and magnet bottom outlet to be positioned to magnet assemblies.First magnet assemblies are installed in the U-shaped cavity of U-shaped bending end when assembly, then static contact is installed on positioning column, positioning column passes through contact bottom outlet and is connected in magnet bottom outlet；Positioning column is unloaded when dismounting, the horizontal removal from U-shaped cavity by magnet assemblies.Compared with the prior art, connection structure is simple, and magnet assemblies are convenient for disassembly and assembly.
Description
Technical field
The utility model is related to a kind of breaker of plastic casing structure of contact terminals.
Background technology
Application of the low-pressure plastic shell circuit breaker in low-voltage distribution system is more and more extensive, it is responsible for protection and control circuit
Dual role, the safety of entire line system, dependable with function are played a crucial role, breaker structure
Difference influences properties of product also very big.Existing low-pressure plastic shell circuit breaker contact system is mainly by moving contact and static contact group
At, breaker moment after moving contact reprimand is opened to the arc blow-out power very little of electric arc, greatly reduces the breaking capacity of breaker, 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 equipped in the cavity of U-shaped bending
Iron component, magnet assemblies include iron core and the iron core shell installed for iron core, and the bottom wall of iron core shell is equipped with bottom protrusion, U
The bottom wall of shape bending end is equipped with the groove of the bottom protrusion insertion for iron core shell, real by the cooperation of bottom protrusion and groove
Now to the positioning of magnet assemblies.
Existing breaker of plastic casing can preferably solve open circuit by the way that magnet assemblies are arranged in the U-shaped bending end of static contact
The problem that the 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 cannot be too thick, and iron core cannot be arranged excessive, when mounted installation of the U-shaped bending end to magnet assemblies
It impacts, causes installation inconvenient.
Utility model content
The purpose of this utility model is to provide a kind of breaker of plastic casing structure of contact terminals, to solve existing breaker of plastic casing
In structure of contact terminal there is a problem of that magnet assemblies installations is inconvenient.
To achieve the above object, the scheme 1 of the breaker of plastic casing structure of contact terminal of the utility model is：Breaker of plastic casing contact
Structure includes static contact, and one end of static contact is the U-shaped bending end with U-shaped cavity, further includes the magnetic being arranged in U-shaped cavity
The bottom wall of iron component, the U-shaped bending end is equipped with contact bottom outlet, and the bottom of the magnet assemblies is equipped with and the contact bottom outlet
Corresponding magnet bottom outlet, breaker of plastic casing structure of contact terminal further include for be inserted into the contact bottom outlet and magnet bottom outlet with
The positioning column that magnet assemblies are 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 further includes using
In the support element being supported to the U-shaped bending end, the positioning column is arranged on support element.
Scheme 3 is the breaker of plastic casing structure of contact terminal according to scheme 2, the magnet assemblies include two pieces or more simultaneously
It arranges the iron core of setting and for carrying out circumferentially positioned iron core shell to iron core, iron core shell is equipped with to be inserted into for the positioning column
Shell 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 shell, the shell bottom outlet are arranged on the bottom wall of iron core shell, and each iron core is arranged 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 of the positioning column is kidney ellipsoid,
Length direction setting and mandrel bottom of each iron core perpendicular to oval tee section are equipped with for the recessed of positioning column end insertion
Slot.
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 equipped with, to be used
In the step when iron core is installed with the top backstop limit of the iron core shell, 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 positioning column 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 equipped with perpendicular to
The side wall of the rivet of the plate face setting of iron core, the iron core shell is equipped with the notch for rivet insertion upward,
Iron core shell applies axial tension close to the end face of the notch for rivet.
Scheme 9 is that the breaker of plastic casing structure of contact terminal according to scheme 8, the rivet has spaced two
It is a, it is arranged there are two the notch on the same side wall of iron core shell, each notch is corresponded with each rivet.
Scheme 10 is that the lower opening's edge of the breaker of plastic casing structure of contact terminal according to scheme 9, the notch is connected with direction
The flanging of the outside fold of the iron core shell.
The utility model has the beneficial effects that：First magnet assemblies are installed in the U-shaped cavity of U-shaped bending end when assembly,
Static contact is installed on positioning column again, positioning column passes through contact bottom outlet and is connected in magnet bottom outlet；By positioning column when dismounting
It unloads, the horizontal removal from U-shaped cavity by magnet assemblies.Compared with the prior art, connection structure is simple, magnet assemblies dismounting side
Just.
Further, magnet assemblies include two pieces or more the iron cores being set up in parallel and are arranged in the periphery of each iron core with to iron
Core carries out circumferentially fixed iron core shell, and iron core shell is equipped with the perforation passed through for positioning column；Increase the quantity of iron core, enhancing
Magnetic blow-out effect.
Further, iron core is vertically arranged in iron core shell, since the height space in U-shaped cavity is limited, height side
The space being set up in parallel upwards for iron core is smaller, is set up in parallel form using vertical more iron cores can be arranged.
Further, the two of iron core vertical sides are equipped with and match for the top surface backstop with iron core shell when iron core is installed
The step of conjunction；Increase the positioning to iron core, ensures that each iron core being set up in parallel is aligned, ensure iron core using effect.
Further, iron core is equipped with rivet, and iron core shell is equipped with notch, and iron core is mounted in rivet when assembly
Portion, the end of rivet is pressed on the end face of close notch of iron core shell after rivet is tensed；Iron core is linked to be with iron core shell
One, connection are firm.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiment one of the breaker of plastic casing structure of contact terminal of the utility model；
Fig. 2 is the installation diagram of static contact and support element；
Fig. 3 is the stereogram of static contact；
Fig. 4 is the stereogram of support element；
Fig. 5 is the upward view of Fig. 4；
Fig. 6 is the stereogram of iron core shell；
Fig. 7 is the stereogram of iron core.
Specific implementation mode
The embodiment of the utility model is described further below in conjunction with the accompanying drawings.
The embodiment one of the breaker of plastic casing structure of contact terminal of the utility model, as shown in Figures 1 to 7, including breaker sheet
Body 16, static contact 1 and support element 6, one end of static contact 1 are equipped with the connecting hole, the other end that are connect for the pedestal with breaker
For U-shaped bending end, there is U-shaped bending end U-shaped cavity, the top at U-shaped bending end to be equipped with arc leading angle 2 and silver point 3；Support element 6
For being supported to U-shaped bending end, supporting surface is equipped with the positioning column 12 upwardly extended for one end, and the bottom of the other end, which is equipped with, to be used
In two connecting holes 17 being connect with breaker body 16.
The bottom wall of U-shaped bending end is equipped with the contact bottom outlet 11 passed through for positioning column 12, and positioning column 12 is flat column, positioning
Column 12 is hollow structure, and contact bottom outlet 11 is kidney slot.Breaker of plastic casing structure of contact terminal further includes the U being arranged in U-shaped bending end
Magnet assemblies in shape cavity, magnet assemblies include two pieces or more the iron cores being set up in parallel 4 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 equipped with the shell bottom outlet 8 passed through for positioning column 12；Iron core 4 is set in iron core shell 5 perpendicular to the bottom surface of iron core shell 5
It sets and perpendicular with positioning column 12.The open-topped interior opening's edge of iron core shell 5 is equipped with inner chamfer 7, and iron core 4 is facilitated to pacify
Dress.
The bottom of iron core 4 is equipped with the U-shaped groove 15 of one end insertion for being inserted into iron core shell 5 for positioning column 12；Iron core 4
The bottom of two vertical sides is equipped with the step 10 for carrying out backstop with the top of iron core shell 5, step 10 when installing iron core 4
With step surface directed downwardly.
Iron core shell 5 and iron core 4 in the present embodiment use rivet interlacement, set that there are two the rivetings being set up in parallel on iron core 4
Nail perforation 9, rivet 9 are circular hole；The top of iron core shell 5 is equipped 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 is tensed for rivet, and the rectangular slits 13 on same side wall have spaced two
A, the lower opening's edge of each rectangular slits 13 is connected with the flanging 14 of the outside fold towards iron core shell 5.
When assembly, first each iron core 4 is installed in iron core shell 5, is linked together iron core 4 and iron core shell 5 with rivet,
Iron core shell 5 is installed in the U-shaped cavity of static contact 1, shell bottom outlet 8 is corresponding with 11 position of contact bottom outlet, and static contact 1 is pacified
It is attached on support element 6, the upper end of positioning column 12 is inserted into the U-shaped groove 15 of 4 bottom of iron core；By 5 groups of iron core 4 and iron core shell
At the positions of magnet assemblies be fixed on static contact 1.
Compared with the prior art, magnet assemblies are positioned using positioning column 12, simple in construction, easy to disassemble and assemble, performance
Stablize, magnetic blow-out riveting part can enhance magnetic field, play the role of magnetic conduction, and 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 enhance the reliable breaking of breaker, and improve its breaking capacity.
In addition, iron core 4 is integrated by rivet interlacement with iron core shell 5, bonding strength is higher.Due to the U-shaped of U-shaped bending end
Height space in cavity is limited, and iron core 4 can increase the quantity for the iron core 4 that can be arranged using the form being vertically arranged.
Embodiment two, embodiment two and embodiment one the difference is that：Core assembly only includes two pieces or more 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 equipped in the middle part of iron core and is passed through from the bottom to top for positioning column
Centre bore.Alternatively, it is also possible to which in the periphery setting iron core shell of iron core, the side wall of iron core shell is equipped on support element
The housing bore that positioning column passes through.
Embodiment three, embodiment three and embodiment one the difference is that：Iron core shell can also be arranged to cross section
For the rectangular sleeve of rectangle, rectangular sleeve has centre bore up and down, and each iron core arrangement is in the centre bore of rectangular sleeve.
Example IV, example IV and embodiment one the difference is that：In the middle part of iron core and on the side wall of iron core shell
It being respectively equipped with for bolt penetration hole, iron core is installed in iron core shell by when assembly, 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 element can not also be set, and positioning column is arranged to other structures in breaker of plastic casing
On part, such as by positioning column setting on breaker body.
Claims (10)
1. one end of breaker of plastic casing structure of contact terminal, including static contact, static contact is the U-shaped bending end with U-shaped cavity, also wrap
The magnet assemblies being arranged in U-shaped cavity are included, the bottom wall of the U-shaped bending end is equipped with contact bottom outlet, it is characterised in that：It is described
The bottom of magnet assemblies is equipped with magnet bottom outlet corresponding with the contact bottom outlet, and breaker of plastic casing structure of contact terminal further includes being used for
It is inserted into the positioning column 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 element for being supported to the U-shaped bending end is included, the positioning column is arranged on support element.
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 equipped with, supplies the positioning column
The shell 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 shell bottom outlet is arranged on the bottom wall of iron core shell, bottom wall of each iron core perpendicular to iron core shell
Setting.
5. breaker of plastic casing structure of contact terminal according to claim 4, it is characterised in that：The cross section of the positioning column is waist
Circle, length direction setting and mandrel bottom of each iron core perpendicular to oval tee section are equipped with is inserted into for positioning column end
Groove.
6. breaker of plastic casing structure of contact terminal according to claim 5, it is characterised in that：It is set on two vertical edges of the iron core
It is useful for the step of the top backstop limit when iron core is installed with the iron core shell, step has stop surface directed downwardly.
7. breaker of plastic casing structure of contact terminal according to claim 5 or 6, it is characterised in that：The positioning column is hollow knot
Structure.
8. the breaker of plastic casing structure of contact terminal according to claim 4 or 5 or described in 6, it is characterised in that：The iron core, which is equipped with, to hang down
Directly in the rivet of the plate face of iron core setting, the side wall of the iron core shell is equipped with cutting for rivet insertion upward
Mouthful, iron core shell applies axial tension close to the end face of the notch for rivet.
9. breaker of plastic casing structure of contact terminal according to claim 8, it is characterised in that：The rivet has interval to be arranged
Two, be arranged there are two the notch on the same side wall of iron core shell, each notch and each rivet correspond.
10. breaker of plastic casing structure of contact terminal according to claim 9, it is characterised in that：The lower opening's edge of the notch connects
There is the flanging of the outside fold towards the iron core shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721542042.3U CN207611729U (en) | 2017-11-17 | 2017-11-17 | A kind of breaker of plastic casing structure of contact terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721542042.3U CN207611729U (en) | 2017-11-17 | 2017-11-17 | A kind of breaker of plastic casing structure of contact terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207611729U true CN207611729U (en) | 2018-07-13 |
Family
ID=62795066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721542042.3U Withdrawn - After Issue CN207611729U (en) | 2017-11-17 | 2017-11-17 | A kind of breaker of plastic casing structure of contact terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207611729U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107799368A (en) * | 2017-11-17 | 2018-03-13 | 河南森源电气股份有限公司 | Breaker of plastic casing structure of contact terminal |
-
2017
- 2017-11-17 CN CN201721542042.3U patent/CN207611729U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107799368A (en) * | 2017-11-17 | 2018-03-13 | 河南森源电气股份有限公司 | Breaker of plastic casing structure of contact terminal |
| CN107799368B (en) * | 2017-11-17 | 2020-01-10 | 河南森源电气股份有限公司 | Contact structure of plastic case circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180713 Effective date of abandoning: 20200110 |