CN2427013Y - Multicircuit breaker - Google Patents
Multicircuit breaker Download PDFInfo
- Publication number
- CN2427013Y CN2427013Y CN 00231659 CN00231659U CN2427013Y CN 2427013 Y CN2427013 Y CN 2427013Y CN 00231659 CN00231659 CN 00231659 CN 00231659 U CN00231659 U CN 00231659U CN 2427013 Y CN2427013 Y CN 2427013Y
- Authority
- CN
- China
- Prior art keywords
- contact
- moulded plastic
- circuit breaker
- supporting member
- dividing plate
- 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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- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The utility model belongs to a low voltage multicircuit breaker. A casing of a contact system arc-extinguishing chamber is formed by the riveting of a plurality of plastic parts; plastic partition plates are used for separating and insulating between poles; each pole circuit is provided with double breakpoints; a contact, an arc-suppressing grid, a current conducting part, etc. of each pole are respectively arranged in corresponding cavity of a plastic casing; a contact system is composed of a front and a back static contacts and a contact bridge, wherein, the contact bridge is composed of a plastic supporting member, a contact spring, a current conducting member and a contact point, wherein, the current conducting member and the contact point forms a moving contact; the moving contact is in floating arrangement in a plastic supporting member of the contact bridge. The contact system arc-extinguishing chamber is an inner casing and is arranged in the outer casing body.
Description
The utility model product relates to multi-circuit breaker in the low-voltage electrical apparatus.
Present domestic low-voltage circuit breaker is single-break basically, and the multichannel moving contact is fixed in the same rotating shaft.
The main feature of the utility model circuit breaker is: the housing of contact system arc control device is formed by several working of plastics riveteds, separate and insulation by plastic septum between the utmost point and the utmost point, every polar circuit is the double break point, its contact, arc-chute, conductive pieces etc. are placed on respectively in the corresponding die cavity of plastic housing, contact system is made up of front and back fixed contact, contact bridge, and contact bridge is made up of plastic supporting spare, touch spring, electric-conductor, contact.Moving contact is formed in electric-conductor and contact, floats to be installed in the plastic supporting spare of contact bridge.Contact bridge can be done conditional rotation around the axle center of plastic supporting spare, and make dynamic/static contact closure or disjunction, the contact bridge of each utmost point is fixed by parallel two metal connecting rods that pass plastic supporting spare hole, the metal connecting rod links to each other with pitman arm and cam lever on the operating mechanism simultaneously, pitman arm by operating mechanism drives cam lever, and cam lever drives two metal connecting rods, and the metal connecting rod drives contact bridge plastic supporting spare, thereby contact bridge is rotated, finish the breaking and closing of circuit breaker.The contact system arc control device are inner housing, are placed among the shell body.
Below this novel breaker product is specified:
This novel breaker has inside and outside two housings, and contact system arc control device (22) are inner housing, and contact system and arc quenching system are installed in wherein, and inner housing is placed in the shell body.Contact system arc control device (22) housing is formed by rivet (12) riveted by several moulded plastic dividing plates (2) and left and right sides moulded plastic cover plate (23,1), and pattern compression molding material dividing plate (2) is isolated and insulation between the utmost point and the utmost point.Every polar circuit is the double break point, comprises fixed contact (3,14), contact bridge (7) and grating arc-extinguishing chamber's assemblies such as (13), in every extremely supporting corresponding die cavity that is placed on contact system arc control device plastic casing.In the contact system arc control device plastic casing a plurality of die cavities are arranged, each is extremely supporting puts a die cavity, and a plurality of die cavities can be placed multipole, by multipole channeling circuit breaker.
The contact system of above-mentioned this circuit breaker is made of front and back fixed contact (14,3), contact bridge (7).Contact bridge is made up of moulded plastic supporting member (6), touch spring (9), sheet electric-conductor (10), contact (11), moving contact is formed in sheet electric-conductor (10) and contact (11), it matches with front and back fixed contact (14,3), constitutes switching on and off of every polar circuit.Moulded plastic supporting member (6) plays a part supporting touch spring (9), sheet electric-conductor (10) and contact (11).Moulded plastic supporting member (6) laterally be clamped between the moulded plastic dividing plate (2) or be clamped in moulded plastic dividing plate (2) and a left side (right side) moulded plastic cover plate between, it can do conditional rotation around the axle center of self in die cavity, its rotation drives whole contact bridge (7) and rotates, and contact bridge (7) rotates and impels contact (11) and fixed contact breaking and closing.Center in contact system arc control device (22), laterally vertical plastic dividing plate (2) passes two metal connecting rods parallel to each other (4,15).The mold pressing mould material supporting member (6) that these two metal connecting rods (4,15) run through above-mentioned each contact bridge (7) is fixed up.It is less with the gap that two metal connecting rods (4,15) cooperate that moulded plastic supporting member (6) is gone up the hole, the line in two holes is by the axle center symmetry, metal connecting rod (4,15) is connected with cam lever (16), the pivot of cam lever (16) is consistent with the axis of rotation of contact bridge (7), and cam lever (16) is connected with the pairing pitman arm (19) of operating mechanism.Operating mechanism is fixed on the contact system arc control device.The operation of operating mechanism drives the action of contact system contact bridge by pitman arm (19) transmission.
The described operating mechanism of this circuit breaker (20), the width (directions X) of its support (17) should adapt with contact system arc control device die cavity width.Its height (Z direction) adapts with the height of whole circuit breaker, and vertically (Y direction) length is suitable, and the parts of whole operation mechanism are included in wherein, and insulate with circuit.
Each the moulded plastic dividing plate (2) of the described contact system arc control device of this circuit breaker (22) and the corresponding position of supporting member (6) of contact bridge (7), two camber line oval holes (21) concentric with supporting member (6) axis are all arranged, so that with the matched in clearance of two metal connecting rods (4,15), guarantee their space to require.
Two end faces of the axis direction of above-mentioned contact bridge (7) the moulded plastic supporting member (6) of this circuit breaker are corresponding be clamped between the moulded plastic dividing plate (2) or be clamped in moulded plastic dividing plate (2) and a left side (or right) moulded plastic cover plate (1 or 23) between, and be covered with camber line oval hole on the moulded plastic dividing plate (2) with certain clearance, stop gas from these holes, to leak.
Between contact system arc control device (22) the moulded plastic dividing plates (2) of this circuit breaker and the moulded plastic supporting member (6) of contact bridge (7) plate sheet (5) is installed, be fixed on two metal connecting rods (4,15), and can rotate with metal connecting rod (4,15), it covers described camber line oval hole (21).When the circuit breaker disjunction, when closed because of temperature raises when causing the die cavity internal gas pressure to increase, it can be close to moulded plastic dividing plate (2) wall, with camber line oval hole (21) sealing, and arc.
By rivet (12) riveted, contact system and arc quenching system multipole behind the riveted are all in place between the moulded plastic dividing plate (2) of this circuit breaker and the left and right sides moulded plastic cover plate (23,1).If metal rivet gets loose, then contact system arc control device (22) and inner each utmost point thereof contact system and all parts of arc quenching system all may be scattered.
The aforesaid operations mechanism of this circuit breaker is connected on the contact system arc control device (22) securely by metal pin (8), does not stay the gap, can not shake.Fixing mode is in the middle of support (20) folder by operating mechanism rides on two moulded plastic dividing plates (2), and metal pin (8) inserts the support connecting hole and moulded plastic dividing plate (2) is gone up in the respective connecting.
There is an operating grip (18) in the aforesaid operations mechanism (20) of this circuit breaker.This operating grip (18) stretches out the slot at loam cake (24) middle part of case for circuit breaker, guarantees that the activity of operating grip is not subjected to obstacle, is convenient to the operator simultaneously and operates easily.
Exceed a plane (27) around the position that the operating grip (18) of the outer casing upper cover of this circuit breaker (24) stretches out, install with being convenient to enhance mechanical strength, the front end of this plane (27) joins with pattern and following plane (25) of circular arc simultaneously, design has a notice plate (26) on the front end of this plane (27), for user's use of marking.
The plastic supporting spare (6) of the described contact bridge (7) of this circuit breaker has a through hole, and this through hole is perpendicular to the axis of rotation of plastic supporting spare (6), and the center line of through hole overlaps with the diameter of supporting member (6).The sheet electric-conductor (10) of contact bridge (7) passes this through hole, is installed in therebetween by the touch spring radial floating; Supporting member (6) is gone up the diameter of two hole lines that cooperate for two metal connecting rods (4,15) and contact bridge sheet electric-conductor (10) at the angle that staggers of the diameter described in the supporting member.
Pitman arm of the described operating mechanism of this circuit breaker (19) and cam lever (16) insert in the middle part die cavity of moulded plastic dividing plate (2).Two metal connecting rods (4,15) are horizontally through the plastic supporting spare (6) of moulded plastic dividing plate (2), contact bridge (7) and the cam lever (16) and the pitman arm (19) of operating mechanism, make it to fuse, and transmit operational motion
Accompanying drawing: (totally 4)
Fig. 1 contact system view
Fig. 2 operating mechanism axonometric drawing
Fig. 3 contact system arc control device axonometric drawing
Fig. 4 loam cake axonometric drawing
Claims (11)
1. multi-circuit breaker, inside and outside two housings are arranged, contact system arc control device (22) are inner housing, contact system and arc quenching system are installed in wherein, inner housing is placed in the shell body, contact system arc control device (22) housing is by several moulded plastic dividing plates (2) and left and right sides moulded plastic cover plate (23,1) forms by rivet (12) riveted, pattern compression molding material dividing plate (2) is isolated and insulation between the utmost point and the utmost point, every polar circuit is the double break point, comprise fixed contact (3,14), contact bridge (7) and grating arc-extinguishing chamber's assemblies such as (13), in every extremely supporting corresponding die cavity that is placed on contact system arc control device plastic casing, in the contact system arc control device plastic casing a plurality of die cavities are arranged, each is extremely supporting puts a die cavity, and a plurality of die cavities can be placed multipole, by multipole channeling circuit breaker; It is characterized in that: contact system is by front and back fixed contact (14,3), contact bridge (7) constitutes, contact bridge is by moulded plastic supporting member (6), touch spring (9), sheet electric-conductor (10), contact (11) is formed, moving contact is formed in sheet electric-conductor (10) and contact (11), it and front and back fixed contact (14,3) match, constitute switching on and off of every polar circuit, moulded plastic supporting member (6) plays supporting touch spring (9), the effect of sheet electric-conductor (10) and contact (11), moulded plastic supporting member (6) laterally be clamped between the moulded plastic dividing plate (2) or be clamped in moulded plastic dividing plate (2) and a left side (right side) moulded plastic cover plate between, it can do conditional rotation around the axle center of self in die cavity, its rotation drives whole contact bridge (7) and rotates, contact bridge (7) rotates and impels contact (11) and fixed contact breaking and closing, center in contact system arc control device (22), laterally vertical plastic dividing plate (2) passes two metal connecting rods (4 parallel to each other, 15), these two metal connecting rods (4,15) the mold pressing mould material supporting member (6) that runs through above-mentioned each contact bridge (7) is fixed up, moulded plastic supporting member (6) is gone up hole and two metal connecting rods (4,15) gap of Pei Heing is less, the line in two holes is by the axle center symmetry, metal connecting rod (4,15) be connected with cam lever (16), the pivot of cam lever (16) is consistent with the axis of rotation of contact bridge (7), cam lever (16) is connected with the pairing pitman arm (19) of operating mechanism, operating mechanism is fixed on the contact system arc control device, and the operation of operating mechanism drives the action of contact system contact bridge by pitman arm (19) transmission.
2. according to claim 1 circuit breaker, be characterised in that, described operating mechanism (20), the width (directions X) of its support (17) should adapt with contact system arc control device die cavity width, its height (Z direction) adapts with the height of whole circuit breaker, vertically (Y direction) length is suitable, and the parts of whole operation mechanism are included in wherein, and insulate with circuit.
3. according to claim 1 circuit breaker, be characterised in that: each the moulded plastic dividing plate (2) of contact system arc control device (22) and the corresponding position of supporting member (6) of contact bridge (7), two camber line oval holes (21) concentric with supporting member (6) axis are all arranged, so that with the matched in clearance of two metal connecting rods (4,15), guarantee their space to require.
4. according to claim 3 circuit breaker, be characterised in that: two end faces of the axis direction of contact bridge (7) moulded plastic supporting member (6) are corresponding be clamped between the moulded plastic dividing plate (2) or be clamped in moulded plastic dividing plate (2) and a left side (or right) moulded plastic cover plate (1 or 23) between, and be covered with camber line oval hole on the moulded plastic dividing plate (2) with certain clearance, stop gas from these holes, to leak.
5. according to claim 4 circuit breaker, be characterised in that: between the moulded plastic supporting member (6) of contact system arc control device (22) moulded plastic dividing plates (2) and contact bridge (7), a plate sheet (5) is installed, be fixed on two metal connecting rods (4,15), and can rotate with metal connecting rod (4,15), it covers described camber line oval hole (21).When the circuit breaker disjunction, when closed because of temperature raises when causing the die cavity internal gas pressure to increase, it can be close to moulded plastic dividing plate (2) wall, with camber line oval hole (21) sealing, and arc.
6. according to claim 1 circuit breaker, be characterised in that: by rivet (12) riveted, contact system and arc quenching system multipole behind the riveted are all in place between moulded plastic dividing plate (2) and the left and right sides moulded plastic cover plate (23,1).If metal rivet gets loose, then contact system arc control device (22) and inner each utmost point thereof contact system and all parts of arc quenching system all may be scattered.
7. according to claim 6 circuit breaker, be characterised in that: operating mechanism is connected on the contact system arc control device (22) securely by metal pin (8), do not stay the gap, can not shake, fixing mode is in the middle of support (20) folder by operating mechanism rides on two moulded plastic dividing plates (2), and metal pin (8) inserts the support connecting hole and moulded plastic dividing plate (2) is gone up in the respective connecting.
8. according to claim 1 circuit breaker, be characterised in that: operating mechanism (20) has an operating grip (18).This operating grip (18) stretches out the slot at loam cake (24) middle part of case for circuit breaker, guarantees that the activity of operating grip is not subjected to obstacle, is convenient to the operator simultaneously and operates easily.
9. according to claim 1 and 8 circuit breakers, be characterised in that: exceed a plane (27) around the position that the operating grip (18) of the loam cake of case for circuit breaker (24) stretches out, install with being convenient to enhance mechanical strength, the front end of this plane (27) joins with pattern and following plane (25) of circular arc simultaneously, design has a notice plate (26) on the front end of this plane (27), for user's use of marking.
10. according to claim 1 circuit breaker, be characterised in that: the plastic supporting spare (6) of contact bridge (7) has a through hole, this through hole is perpendicular to the axis of rotation of plastic supporting spare (6), and the center line of through hole overlaps with the diameter of supporting member (6), the sheet electric-conductor (10) of contact bridge (7) passes this through hole, is installed in therebetween by the touch spring radial floating; Supporting member (6) is gone up the diameter of two hole lines that cooperate for two metal connecting rods (4,15) and contact bridge sheet electric-conductor (10) at the angle that staggers of the diameter described in the supporting member.
11. according to claim 1 circuit breaker, be characterised in that: pitman arm of operating mechanism (19) and cam lever (16) insert in the middle part die cavity of moulded plastic dividing plate (2), two metal connecting rods (4,15) are horizontally through the plastic supporting spare (6) of moulded plastic dividing plate (2), contact bridge (7) and the cam lever (16) and the pitman arm (19) of operating mechanism, make it to fuse, transmit operational motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00231659 CN2427013Y (en) | 2000-03-30 | 2000-03-30 | Multicircuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00231659 CN2427013Y (en) | 2000-03-30 | 2000-03-30 | Multicircuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2427013Y true CN2427013Y (en) | 2001-04-18 |
Family
ID=33594501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00231659 Expired - Fee Related CN2427013Y (en) | 2000-03-30 | 2000-03-30 | Multicircuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2427013Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101536131B (en) * | 2006-08-21 | 2013-03-27 | 阿科林有限公司 | Medium-voltage circuit-breaker |
| CN101589447B (en) * | 2007-01-24 | 2013-05-01 | 西门子公司 | A double-breaking contact system for a low voltage circuit breaker, a molded case circuit breaker comprising the double-breaking contact system, and a method for breaking a circuit |
| WO2020248556A1 (en) * | 2019-06-11 | 2020-12-17 | 江苏亚开电气有限公司 | Novel double-contact point plastic case circuit breaker |
-
2000
- 2000-03-30 CN CN 00231659 patent/CN2427013Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101536131B (en) * | 2006-08-21 | 2013-03-27 | 阿科林有限公司 | Medium-voltage circuit-breaker |
| CN101589447B (en) * | 2007-01-24 | 2013-05-01 | 西门子公司 | A double-breaking contact system for a low voltage circuit breaker, a molded case circuit breaker comprising the double-breaking contact system, and a method for breaking a circuit |
| WO2020248556A1 (en) * | 2019-06-11 | 2020-12-17 | 江苏亚开电气有限公司 | Novel double-contact point plastic case circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Shanghai, Austria Fu Jie electric terminal sets factory Document name: Notice of termination |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |