CN205248221U - Contact direct action type moulded case circuit breaker - Google Patents
Contact direct action type moulded case circuit breaker Download PDFInfo
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- CN205248221U CN205248221U CN201521069190.9U CN201521069190U CN205248221U CN 205248221 U CN205248221 U CN 205248221U CN 201521069190 U CN201521069190 U CN 201521069190U CN 205248221 U CN205248221 U CN 205248221U
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- moving contact
- contact
- handle
- action type
- plastic casing
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Abstract
The utility model provides a contact direct action type moulded case circuit breaker, include the casing and be located input terminal, output terminal, static contact, moving contact, magnetism tripping device and hot tripping device etc. In the casing, the static contact with the input terminal is connected, the handle is connected with moving contact actuating mechanism, the moving contact with moving contact actuating mechanism connects, and passes through magnetism tripping device, hot tripping device are connected with output terminal, magnetism tripping device and hot tripping device with moving contact actuating mechanism cooperates use, its characterized in that be equipped with the slide on the moving contact actuating mechanism, the straight line can be followed to the moving contact the slide motion, the static contact is located on the extension line of slide. The beneficial effects of the utility model are that: the moving contact becomes linear motion's mode by rotatory wobbling motion mode, and the moving contact is attacked directly and is makeed electric arc direct motion in the direction of the piece of putting off arc that produces, can improve arc extinguishing efficiency greatly, improves the breaking capacity of switch.
Description
Technical field
The utility model belongs to electric switch technical field, relates in particular to a kind of contact Direct Action Type breaker of plastic casing.
Background technology
Originate from European track installing type electric switch and components and parts thereof and there is very high standardization and degree of miniaturization, the manipulation part that is exposed at switch-box outside is standard 45 millimeters high, the Thickness Design of components and parts becomes the multiple of 9 millimeters, and it is assembled that such standard scheme is conducive to the independent assortment of electric utility large-scale industrial production and switch box-frame. The development of air-break aspect standardization, miniaturization is particularly outstanding. For current limliting, short circuit, electric leakage, phase shortage, the safeguard protections such as under-voltage, the breaker electrical equipment that is absolutely necessary, the Europe superscript air-break of various styles, enters people's production and various fields of recent life in large quantities. The common ground of these breakers is that switch movable contact adopts swing type, and the switching of contact is completed by the moving contact of rotary oscillation. Because handle is positioned at the operating platform of 45 millimeters, this type of nearly all breaker can only be by on-off action direction the arranging perpendicular to blow-out sheet of contact. When contact produces when electric arc, then arrange and lead arc device electric arc half-twist is introduced to expulsion element, such structure is unfavorable for extinguish arcs.
In addition, the multipole 45 millimeters of miniature circuit breakers of Europe superscript, the multiple single-pole circuit breaker assembling combination of general whole employings structure, operating grip is at the link rod of outside additional serial, each utmost point switch that facilitates synchronous manipulation to combine. Shortcoming is the counterweight that has increased handle outer, when particularly these combination circuit breakers use on machinery equipment, train, due to the effect of vibration, has strengthened the handle risk of breaking without reason.
Summary of the invention
In order to solve the problems of the technologies described above, the utility model provides a kind of contact Direct Action Type breaker of plastic casing, comprise housing and the input terminal that is positioned at described housing, lead-out terminal, static contact, moving contact, blow-out grid, handle, moving contact driving mechanism, magnetic tripping mechanism and thermal tripping mechanism, described static contact is connected with described input terminal, described handle is connected with moving contact driving mechanism, described moving contact is connected with described moving contact driving mechanism, and by described magnetic tripping mechanism, thermal tripping mechanism is connected with lead-out terminal, described magnetic tripping mechanism and thermal tripping mechanism and described moving contact driving mechanism are used in conjunction with, it is characterized in that described moving contact driving mechanism is provided with slideway, described moving contact can move along the described slideway of straight line, described static contact is positioned on the extended line of described slideway.
Described moving contact driving mechanism comprises mechanism's spring, actuating arm, dropout lever, fork, slide block and moving contact stage clip, described actuating arm is connected with described handle by U-shaped connecting rod, described actuating arm is installed on described fork by rotating shaft, described fork is connected with described mechanism spring and slide block, described moving contact stage clip is positioned at described slide block, and be connected with described moving contact, described moving contact is positioned at described slide block, described sliding ledge cover is outside described slide block, described dropout lever, fork is connected with described housing by a rotating shaft, described dropout lever and described actuating arm, between magnetic tripping mechanism and thermal tripping mechanism, be respectively equipped with contact point.
In described housing, be provided with energy storage pull bar, described energy storage pull bar one end is provided with gib head, and described gib head is positioned at the fan-shaped annular groove at the described arm pivot post back side, and another terminal block of described energy storage pull bar is on the slideway of described moving contact.
The spindle central place of described handle is provided with non-circular hole.
When breaker of plastic casing the two poles of the earth, three utmost points or the interlock of four utmost points, be provided with non-round drive rod in described non-circular hole, described non-round drive rod runs through all described non-circular holes, only has handle described in one or two to be provided with hadle.
Described housing is provided with trade mark buckle closure, and described trade mark buckle closure is positioned at the top of described handle.
The beneficial effects of the utility model are: moving contact becomes straight-line mode from the motion mode of rotary oscillation, and moving contact is attacked directly and made the electric arc direct motion producing in the direction of blow-out sheet, can greatly improve arc extinguishing efficiency, improves the breaking capacity of switch.
The spindle central place of handle arranges non-circular hole, when multipole interlock, in non-circular hole, install non-round drive rod additional, no matter one pole, bipolar, three utmost points, even arrive four-electrode pattern breaker, only need a wherein utmost point that hadle is set, other each utmost point adopts concealed without hadle structure, and its linkage function is to be completed at the non-round drive rod of every utmost point switch knob central part by string, has cancelled the gangbar of handle outer.
Brief description of the drawings
Fig. 1 is conducting state structural representation of the present utility model;
Fig. 2 is off-state structural representation of the present utility model;
Fig. 3 is the structure schematic diagram of conducting state of the present utility model;
Fig. 4 is the structure schematic diagram of off-state of the present utility model;
Fig. 5 is three utmost point interlock constitutional diagrams of the present utility model;
Fig. 6 is three utmost point interlock broken away view of the present utility model;
Fig. 7 is four utmost point interlock constitutional diagrams of the present utility model;
Fig. 8 is four utmost point interlock broken away view of the present utility model.
Detailed description of the invention
Below with reference to accompanying drawings the utility model is described in more detail, has wherein represented preferred embodiment of the present utility model, should be appreciated that those skilled in the art can revise the utility model described here and still realize advantageous effects of the present utility model. Therefore, following description is appreciated that extensively knowing for those skilled in the art, and not as to restriction of the present utility model.
In figure, 1, handle; 2, U-shaped connecting rod; 3, mechanism's spring; 4, actuating arm; 5, dropout lever; 6, fork; 7, energy storage pull bar; 8, slide block; 9, trade mark buckle closure; 10, moving contact; 11, slideway; 12, static contact; 13, input terminal; 14, blow-out grid; 15, magnetic trip gear; 16, hot dropout guide rod; 17, bimetal leaf; 18, heat is adjusted screw; 19, lead-out terminal; 20, housing; 21, dropout arm spring.
As Figure 1-4, static contact 12 is connected with input terminal 13, handle 1 is connected with moving contact driving mechanism, moving contact 10 is connected with moving contact driving mechanism, and be connected with lead-out terminal 19 by magnetic tripping mechanism 15, thermal tripping mechanism, magnetic tripping mechanism 15 and thermal tripping mechanism and moving contact driving mechanism are used in conjunction with, and moving contact driving mechanism is provided with slideway 11, moving contact 10 can move along the slideway of straight line 11, and static contact 12 is positioned on the extended line of slideway 11. moving contact driving mechanism comprises mechanism's spring 3, actuating arm 4, dropout lever 5, fork 6, slide block 8 and moving contact stage clip, actuating arm 4 is connected with handle 1 by U-shaped connecting rod 2, actuating arm 4 is installed on fork 6 by rotating shaft, fork 6 is connected with mechanism's spring 3 and slide block 8, moving contact stage clip is positioned at slide block 8, and be connected with moving contact 10, moving contact 10 is positioned at slide block 8, slideway 11 is enclosed within outside slide block 8, dropout lever 5, fork 6 is connected with housing 20 by a rotating shaft, dropout lever 5 and actuating arm 4, between magnetic tripping mechanism 15 and thermal tripping mechanism, be respectively equipped with contact point. in housing 20, be provided with energy storage pull bar 7, energy storage pull bar 7 one end are provided with gib head, and gib head is positioned at the fan-shaped annular groove at the rotating shaft back side of handle 1, and another terminal block of energy storage pull bar 7 is on the slideway 11 of moving contact 10. the spindle central place of handle 1 is provided with non-circular hole. thermal release device comprises hot dropout guide rod 16, bimetal leaf 17 and heat tune screw 18, between hot dropout guide rod 16 and dropout lever 5, is provided with contact point. when breaker of plastic casing the two poles of the earth, three utmost points or four utmost points link, be provided with non-round drive rod in non-circular hole, non-round drive rod runs through all non-circular holes, only has one or two handle to be provided with hadle. dropout arm spring 21 contacts with housing 20 with dropout lever 5. the end of moving contact 10 has a projection, and projection coordinates energy storage pull bar 7 to use, to realize energy-storage function. housing 20 is provided with trade mark buckle closure 9, and trade mark buckle closure 9 is positioned at the top of handle 1.
Contacting with departing from action of moving contact 10 and static contact 12 all completes along slideway 11 moving linearlies, and the driving force of the contact action of two contacts comes from handle 1, disconnects the release that action drives power comes from the elastic potential energy that mechanism's spring 3 stores. Elastic potential energy is in the time of feed motion, by fork 6 order about mechanism's spring 3 produce torsional deformation produce. The driving force of feed motion is by U-shaped connecting rod 2, and moving contact driving mechanism passes to moving contact 10, and moving contact 10 rushes at static contact 12 along slideway 11 rectilinear motions, completes circuit and connects; In the time that handle is operated a switch power operation, the direction of motion of above-mentioned all parts is done counter motion, and last slide block 8 lifts moving contact 10 and static contact 12 disengages, and completes circuit and disconnects. Need breaking-off contact contact during when breaking down, the action drives power of moving contact driving mechanism comes from the elastic potential energy of mechanism's spring 3. Error protection trigger action derives from inner magnetic dropout short-circuit protection and hot dropout overload protection arrangement, triggers dropout lever 5 and actuating arm 4 and disengages, and moving contact 10, under 3 effects of mechanism's spring, completes the action that contact disconnects. When the trigger action of error protection derives from outside, by the end of housing 20 and the middle part perforate of lid, the external trigger masterpiece lever 5 that is used for threading off, makes mechanical unlocking power-off.
The center of handle 1 rotating shaft is provided with non-circular hole; in the present embodiment, use square hole; to the driving of handle 1 except hand drive hadle; outside torsion also can be by the non-circular hole input of handle; in the time that multiple breaker parallel connections rivets together the heterogeneous protection switch of composition; only need a certain utmost point wherein that handle is set; its hadle is exposed at stacked switch hull outside for people's hand drive; all the other each utmost points only arrange without handle, and it drives twisting to transmit by the non-round drive rod of handle axis hole internal series-connection.
As shown in Fig. 5-6, when breaker of plastic casing three utmost point interlock, the handle 1 that is positioned at the breaker of plastic casing of both sides is without handle, and the non-circular hole of three breaker of plastic casing is all by a non-round drive rod series connection.
As Figure 7-8, when breaker of plastic casing four utmost point interlock, the handle 1 that is positioned at the breaker of plastic casing of both sides is without handle, and two breaker of plastic casing in the middle of being positioned at arrange and connect handle, and the non-circular hole of four breaker of plastic casing is all by a non-round drive rod series connection.
Have been described in detail of the present utility model by embodiment above, but described content is only preferred embodiment of the present utility model, can not be considered to for limiting practical range of the present utility model. All equalization variation and improvement etc. of doing according to the utility model application range, within all should still belonging to patent covering scope of the present utility model.
Claims (6)
1. a contact Direct Action Type breaker of plastic casing, comprise housing and the input terminal that is positioned at described housing, lead-out terminal, static contact, moving contact, blow-out grid, handle, moving contact driving mechanism, magnetic tripping mechanism and thermal tripping mechanism, described static contact is connected with described input terminal, described handle is connected with moving contact driving mechanism, described moving contact is connected with described moving contact driving mechanism, and by described magnetic tripping mechanism, thermal tripping mechanism is connected with lead-out terminal, described magnetic tripping mechanism and thermal tripping mechanism and described moving contact driving mechanism are used in conjunction with, it is characterized in that described moving contact driving mechanism is provided with slideway, described moving contact can move along the described slideway of straight line, described static contact is positioned on the extended line of described slideway.
2. a kind of contact Direct Action Type breaker of plastic casing as claimed in claim 1, it is characterized in that described moving contact driving mechanism comprises mechanism's spring, actuating arm, dropout lever, fork, slide block and moving contact stage clip, described actuating arm is connected with described handle by U-shaped connecting rod, described actuating arm is installed on described fork by rotating shaft, described fork is connected with described mechanism spring and slide block, described moving contact stage clip is positioned at described slide block, and be connected with described moving contact, described moving contact is positioned at described slide block, described sliding ledge cover is outside described slide block, described dropout lever, fork is connected with described housing by a rotating shaft, described dropout lever and described actuating arm, between magnetic tripping mechanism and thermal tripping mechanism, be respectively equipped with contact point.
3. a kind of contact Direct Action Type breaker of plastic casing as claimed in claim 1, it is characterized in that being provided with in described housing energy storage pull bar, described energy storage pull bar one end is provided with gib head, described gib head is positioned at the fan-shaped annular groove at the described arm pivot post back side, and another terminal block of described energy storage pull bar is on the slideway of described moving contact.
4. a kind of contact Direct Action Type breaker of plastic casing as claimed in claim 1, is characterized in that the spindle central place of described handle is provided with non-circular hole.
5. a kind of contact Direct Action Type breaker of plastic casing as claimed in claim 4, while it is characterized in that breaker of plastic casing the two poles of the earth, three utmost points or the interlock of four utmost points, in described non-circular hole, be provided with non-round drive rod, described non-round drive rod runs through all described non-circular holes, only has handle described in one or two to be provided with hadle.
6. a kind of contact Direct Action Type breaker of plastic casing as claimed in claim 1, is characterized in that described housing is provided with trade mark buckle closure, and described trade mark buckle closure is positioned at the top of described handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521069190.9U CN205248221U (en) | 2015-12-21 | 2015-12-21 | Contact direct action type moulded case circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521069190.9U CN205248221U (en) | 2015-12-21 | 2015-12-21 | Contact direct action type moulded case circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205248221U true CN205248221U (en) | 2016-05-18 |
Family
ID=55947300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521069190.9U Active CN205248221U (en) | 2015-12-21 | 2015-12-21 | Contact direct action type moulded case circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205248221U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106898529A (en) * | 2015-12-21 | 2017-06-27 | 天津加美特电气设备有限公司 | A kind of contact Direct Action Type breaker of plastic casing |
| CN108962694A (en) * | 2018-09-18 | 2018-12-07 | 天津加美特电气设备有限公司 | A kind of leakage circuit breakers by zero gesture mutual inductor inside multipole modular breaker |
-
2015
- 2015-12-21 CN CN201521069190.9U patent/CN205248221U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106898529A (en) * | 2015-12-21 | 2017-06-27 | 天津加美特电气设备有限公司 | A kind of contact Direct Action Type breaker of plastic casing |
| CN106898529B (en) * | 2015-12-21 | 2018-08-31 | 天津加美特电气设备有限公司 | A kind of contact Direct Action Type breaker of plastic casing |
| CN108962694A (en) * | 2018-09-18 | 2018-12-07 | 天津加美特电气设备有限公司 | A kind of leakage circuit breakers by zero gesture mutual inductor inside multipole modular breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 302, Hebei SME Service Center, 58 huapingli, zengshan Road, Hebei District, Tianjin Patentee after: Tianjin jiameite Electric Co.,Ltd. Address before: 302, Hebei SME Service Center, 58 huapingli, zengshan Road, Hebei District, Tianjin Patentee before: TIANJIN JIAMEITE ELECTRICAL EQUIPMENT Co.,Ltd. |