CN204332870U - A kind of solenoid type electromagnetic trip with fine adjustment function - Google Patents
A kind of solenoid type electromagnetic trip with fine adjustment function Download PDFInfo
- Publication number
- CN204332870U CN204332870U CN201520054514.5U CN201520054514U CN204332870U CN 204332870 U CN204332870 U CN 204332870U CN 201520054514 U CN201520054514 U CN 201520054514U CN 204332870 U CN204332870 U CN 204332870U
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- iron core
- fine adjustment
- adjustment function
- type electromagnetic
- solenoid type
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Abstract
A kind of solenoid type electromagnetic trip with fine adjustment function; adjusting rod is regulated by instantaneous knob; change the stroke of extension spring; realize thus make extension spring counter-force size in continuous change; thus realize the adjustment of the drop-away current of different multiples, by regulating adjustment screw, change the air gap distance thus the amount of tension changing extension spring that move iron core and static iron core; thus realize at the fine adjustment function of short-circuit protection, to the verification of the small area analysis such as 16A, 20A advantageously.
Description
Technical field
The utility model relates to Low Voltage Electrical Apparatus, is specifically related to a kind of solenoid type electromagnetic trip with fine adjustment function.
Background technology
On market, breaker of plastic casing is when short-circuit protection, and the snap action protection of thermo magnetic trip release Direct Action Type is moved iron core by the big current that short circuit produces by the magnetic attraction that coil produces and driven draw bar to realize protection of threading off.Usual stage clip props up racking iron core in this device, keeps air gap.Circuit breaker functional requirement: release can will be threaded off within the scope of setting current, mates the rated current of different size by the stage clip changing different size.All very high to the required precision of the magnetic force of each pole of product, spring like this, and existing magnetictrip is often for small area analysis, the dropout effect of the electric current of such as 16A, 20A is unsatisfactory.
Summary of the invention
In order to solve the deficiencies in the prior art, of the present utility modelly provide a kind of solenoid type electromagnetic trip with fine adjustment function.
The technical solution that the utility model adopts is: a kind of solenoid type electromagnetic trip with fine adjustment function, comprise housing, draw bar and adjusting rod, described enclosure interior is provided with dynamic iron core and static iron core, coil is provided with outside described dynamic iron core and static iron core, described dynamic iron core is provided with instantaneous pull bar, described draw bar is hinged on draw bar axle, described draw bar contacts with instantaneous pull bar and coordinates, described adjusting rod is provided with adjusting rod fastener, described adjusting rod fastener is connected by extension spring with instantaneous pull bar, described draw bar is also provided with draw bar fastener, also tripping is provided with in described housing, described tripping coordinates with draw bar fastener snap fit, described dynamic iron core coordinates with instantaneous pull bar longitudinal linkage, described dynamic iron core is also provided with the micromatic setting of the spacing regulating instantaneous pull bar and adjusting rod fastener.
Described a kind of solenoid type electromagnetic trip with fine adjustment function; described micromatic setting comprises trimming rack; described trimming rack is also provided with adjustment screw; described adjustment screw contacts with dynamic iron core and coordinates; by regulating adjustment screw; change the air gap distance thus the amount of tension changing extension spring that move iron core and static iron core, thus realize the fine adjustment function at short-circuit protection.
Described a kind of solenoid type electromagnetic trip with fine adjustment function, described adjusting rod is also connected with drive link, described drive link one end is also provided with instantaneous knob, described instantaneous knob is provided with cam surface, described drive link and cam surface suitable, regulate the position of drive link by rotating instantaneous knob, thus drive adjusting rod to rotate, the final stroke changing extension spring.
Described a kind of solenoid type electromagnetic trip with fine adjustment function, described instantaneous pull bar comprises extension section, and described extension spring one end is fixed on extension section, and described draw bar is provided with extension, and described extension contacts with extension section and coordinates.
Described a kind of solenoid type electromagnetic trip with fine adjustment function, described extension section comprises the crossbeam of square shape, and described extension stretches into square shape middle cross beam, and described extension contacts with square shape crossbeam and coordinates.
Described a kind of solenoid type electromagnetic trip with fine adjustment function, described dynamic iron core includes T-shaped connecting portion, and described instantaneous pull bar is provided with chute, and described connecting portion is fixedly connected in chute.
Described a kind of solenoid type electromagnetic trip with fine adjustment function, described instantaneous pull bar is also provided with limiting section, described coil is also provided with yoke, and described limiting section extrudes with yoke and coordinates.
Described a kind of solenoid type electromagnetic trip with fine adjustment function, described extension is provided with circular hole, and described adjustment screw coordinates with extruding with dynamic iron core through circular hole.
The beneficial effects of the utility model are: the utility model provides a kind of solenoid type electromagnetic trip with fine adjustment function; adjusting rod is regulated by instantaneous knob; change the stroke of extension spring; thus make extension spring counter-force size in continuous change; realize the adjustment of the drop-away current of different multiples; by regulating adjustment screw; change the air gap distance thus the amount of tension changing extension spring that move iron core and static iron core; realize at the fine adjustment function of short-circuit protection, to the verification of the small area analysis such as 16A, 20A advantageously.
Accompanying drawing explanation
Fig. 1 is the utility model stereogram.
Fig. 2 is the utility model internal structure schematic diagram.
Fig. 3 is the utility model backsight structural representation.
Fig. 4 is the utility model end view.
1-housing in figure, 2-moves iron core, 3-static iron core, 4-draw bar, 5-adjusting rod, 6-extension spring, 7-tripping, 8-trimming rack, the instantaneous knob of 9-, the instantaneous pull bar of 21-, 31-coil, 41-draw bar axle, 42-draw bar fastener, 43-extension, 51-adjusting rod fastener, 52-drive link, 81-adjustment screw, 91-cam surface, 211-extension section, 431-circular hole.
Embodiment
Existing composition graphs 1, Fig. 2, Fig. 3, Fig. 4 is further described the utility model, a kind of solenoid type electromagnetic trip with fine adjustment function, comprise housing 1, draw bar 4 and adjusting rod 5, described housing 1 inside is provided with dynamic iron core 2 and static iron core 3, coil 31 is provided with outside described dynamic iron core 2 and static iron core 3, described dynamic iron core 2 is provided with instantaneous pull bar 21, described draw bar 4 is hinged on draw bar axle 41, described draw bar 4 is suitable with instantaneous pull bar 21, described adjusting rod 5 is provided with adjusting rod fastener 51, described adjusting rod fastener 51 is connected by extension spring 6 with instantaneous pull bar 21, described draw bar 4 is also provided with draw bar fastener 42, tripping 7 is also provided with in described housing 1, described tripping 7 coordinates with draw bar fastener 42 snap fit, described dynamic iron core 2 coordinates with instantaneous pull bar 21 longitudinal linkage, described dynamic iron core 2 is also provided with micromatic setting.
Described micromatic setting comprises trimming rack 8; described trimming rack 8 is also provided with adjustment screw 81; described adjustment screw 81 extrudes with dynamic iron core 2 and coordinates; by regulating adjustment screw 81; change the air gap distance thus the amount of tension changing extension spring 6 that move iron core 2 and static iron core 3, thus realize the fine adjustment function at short-circuit protection.
Described adjusting rod 5 is also connected with drive link 52, described drive link 52 one end is also provided with instantaneous knob 9, described instantaneous knob 9 is provided with cam surface 91, described drive link 52 is suitable with cam surface 91, the position of drive link 52 is regulated by rotating instantaneous knob 9, thus drive adjusting rod 5 to rotate, the final stroke changing extension spring 6.
Described instantaneous pull bar 21 comprises extension section 211, and described extension spring 6 one end is fixed on extension section 211, and described draw bar 4 is provided with extension 42, and described extension 42 contacts with extension section 211 and coordinates.
Described extension section 211 comprises the crossbeam of square shape, and described extension 42 stretches into square shape middle cross beam, and described extension 42 contacts with square shape crossbeam and coordinates.
Described extension 43 is provided with circular hole 431, and described adjustment screw 81 contacts with dynamic iron core 2 through circular hole 431 and coordinates.
Described dynamic iron core 2 includes T-shaped connecting portion, and described instantaneous pull bar 21 is provided with chute, and described connecting portion is fixedly connected in chute.
Described instantaneous pull bar 21 is also provided with limiting section, described coil 31 is also provided with yoke, described limiting section extrudes with yoke and coordinates.
When there is short circuit current in circuit, short circuit current flows through coil 31, coil 31 produces magnetic field suction and moves iron core 2, and dynamic iron core 2 moves downward and drives instantaneous pull bar 21 to stretch downwards, and extension spring 6 is stretched, after instantaneous pull bar 21 moves downward a segment distance, drive draw bar 4 to carry out flip-flop movement, after turning an angle, tripping 7 and draw bar fastener 42 are triped, thus make tripping 7 action, make breaker body action.In the drop-away current of different multiples, can by rotating instantaneous knob 9, the cam surface 91 of instantaneous knob 9 is in continuous change, drive the continuous rotation of adjusting rod 5, thus change the amount of tension of extension spring 6, thus make extension spring 6 counter-force size in continuous change, thus realize the adjustment of the drop-away current of different multiples.Adjustment screw 81 is assemblied on trimming rack 8, by regulating adjustment screw 81, can change the air gap distance of dynamic iron core 2 and static iron core 3 and changing the amount of tension of extension spring 6, thus realizing the fine adjustment function at the short-circuit protection of certain gear.
The processing of the utility model part is simple, and cost of parts cost is lower, by the counter-force regulating adjustment screw 81 to change air gap and extension spring 6, mode is simple, and fine adjustment function is more effective, especially for small area analysis, such as 16A, 20A etc., can effective improving production efficiency.
Claims (8)
1. one kind has the solenoid type electromagnetic trip of fine adjustment function, comprise housing (1), draw bar (4) and adjusting rod (5), described housing (1) inside is provided with dynamic iron core (2) and static iron core (3), described dynamic iron core (2) and static iron core (3) outside are provided with coil (31), described dynamic iron core (2) is provided with instantaneous pull bar (21), described draw bar (4) is hinged on draw bar axle (41), described draw bar (4) contacts with instantaneous pull bar (21) and coordinates, described adjusting rod (5) is provided with adjusting rod fastener (51), described adjusting rod fastener (51) is connected by extension spring (6) with instantaneous pull bar (21), described draw bar (4) is also provided with draw bar fastener (42), tripping (7) is also provided with in described housing (1), described tripping (7) coordinates with draw bar fastener (42) snap fit, described dynamic iron core (2) coordinates with instantaneous pull bar (21) longitudinal linkage, it is characterized in that, described dynamic iron core (2) is also provided with the micromatic setting of the spacing regulating instantaneous pull bar (21) and adjusting rod fastener.
2. a kind of solenoid type electromagnetic trip with fine adjustment function according to claim 1, it is characterized in that, described micromatic setting comprises trimming rack (8), described trimming rack (8) is also provided with adjustment screw (81), and described adjustment screw (81) top extrudes with dynamic iron core (2) and coordinates.
3. a kind of solenoid type electromagnetic trip with fine adjustment function according to claim 1, it is characterized in that, described adjusting rod (5) is also connected with drive link (52), described drive link (52) one end is also provided with instantaneous knob (9), described instantaneous knob (9) is provided with cam surface (91), and described drive link (52) is suitable with cam surface (91).
4. a kind of solenoid type electromagnetic trip with fine adjustment function according to claim 1, it is characterized in that, described instantaneous pull bar (21) comprises extension section (211), described extension spring (6) one end is fixed on extension section (211), described draw bar (4) is provided with extension (42), and described extension (42) contacts with extension section (211) and coordinates.
5. a kind of solenoid type electromagnetic trip with fine adjustment function according to claim 4, it is characterized in that, described extension section (211) comprises the crossbeam of square shape, and described extension (42) stretches into square shape middle cross beam, and described extension (42) contacts with square shape crossbeam and coordinates.
6. a kind of solenoid type electromagnetic trip with fine adjustment function according to claim 1, it is characterized in that, described dynamic iron core (2) includes T-shaped connecting portion, and described instantaneous pull bar (21) is provided with chute, and described connecting portion is fixedly connected in chute.
7. a kind of solenoid type electromagnetic trip with fine adjustment function according to claim 1, it is characterized in that, described instantaneous pull bar (21) is also provided with limiting section, described coil (31) is also provided with yoke, described limiting section extrudes with yoke and coordinates.
8. a kind of solenoid type electromagnetic trip with fine adjustment function according to claim 2 or 4, it is characterized in that, described extension (43) is provided with circular hole (431), and described adjustment screw (81) coordinates with extruding with dynamic iron core (2) through circular hole (431).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520054514.5U CN204332870U (en) | 2015-01-27 | 2015-01-27 | A kind of solenoid type electromagnetic trip with fine adjustment function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520054514.5U CN204332870U (en) | 2015-01-27 | 2015-01-27 | A kind of solenoid type electromagnetic trip with fine adjustment function |
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| Publication Number | Publication Date |
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| CN204332870U true CN204332870U (en) | 2015-05-13 |
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| CN201520054514.5U Expired - Fee Related CN204332870U (en) | 2015-01-27 | 2015-01-27 | A kind of solenoid type electromagnetic trip with fine adjustment function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104637747A (en) * | 2015-01-27 | 2015-05-20 | 浙江天正电气股份有限公司 | Solenoid electromagnetic tripper with fine adjusting function |
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2015
- 2015-01-27 CN CN201520054514.5U patent/CN204332870U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104637747A (en) * | 2015-01-27 | 2015-05-20 | 浙江天正电气股份有限公司 | Solenoid electromagnetic tripper with fine adjusting function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20160127 |
|
| EXPY | Termination of patent right or utility model |