CN203707041U - Multi-level electromagnetic switch - Google Patents
Multi-level electromagnetic switch Download PDFInfo
- Publication number
- CN203707041U CN203707041U CN201420056480.9U CN201420056480U CN203707041U CN 203707041 U CN203707041 U CN 203707041U CN 201420056480 U CN201420056480 U CN 201420056480U CN 203707041 U CN203707041 U CN 203707041U
- Authority
- CN
- China
- Prior art keywords
- ratchet
- contact
- dwang
- electromagnetic switch
- pull bar
- 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
Links
Abstract
Provided is a multi-level electromagnetic switch. The multi-level electromagnetic switch comprises a contact mechanism which comprises a movable contact piece and a fixed contact piece having a common contact piece and a plurality of sub-level contact pieces; a scale division rotation mechanism which comprises having a rotation rod equipped with a first ratchet, a pulling rod equipped with a second ratchet, a hollow pipe equipped with a third ratchet and a contact spring; an electromagnetic device having an excitation coil and a movable iron core; and a reset spring. The movable contact piece is connected with the rotation rod. The electromagnetic device contacts the rotation rod. As long as the movable iron core carries out a round trip of reciprocal rectilinear motion relative to the excitation coil, the movable contact piece rotates along the rotation rod for a certain angle. The multi-level electromagnetic switch can be arranged at a distance to achieve device remote control of speed regulation and the like.
Description
Technical field
The utility model relates to a kind of electromagnetic switch, particularly a kind of electromagnetic switch with multiple switch gears.
Background technology
In the electromagnetic switch such as electromagnetic relay or electromagnetic contactor, electromagnetic switch generally includes to be had the calutron of magnet exciting coil and movable core and has fixed contact therefor and the contact mechanism of movable contact, the magnetic force that described movable core is produced by described magnet exciting coil drives, successively switch on and off the electric current in magnet exciting coil, can make movable core carry out a linear reciprocating motion back and forth with respect to magnet exciting coil, the contact mechanism that this kind of linear reciprocating motion can promote to be made up of movable contact and fixed contact therefor is from closure state to open mode or from open mode to closure state.
The gear that existing electromagnetic switch can be used for making current only has one conventionally, and its use is subject to certain restrictions, and therefore research and development has the electromagnetic switch of multiple switch gears, has certain practical value.
Summary of the invention
The purpose of this utility model is that a kind of electromagnetic switch with multiple switch gears will be provided.
In order to realize the purpose of this utility model, the utility model provides a kind of electromagnetic switch, the electromagnetic switch of gear more than this kind, it is characterized in that, it comprises: contact mechanism, described contact mechanism comprises fixed contact therefor and movable contact, and described fixed contact therefor comprises a public contact and multiple stepping contact; Calibration rotating mechanism, described calibration rotating mechanism comprises dwang, pull bar, hollow tube and contact spring, and described dwang comprises the first ratchet, and described pull bar comprises the second ratchet, and described hollow tube comprises the 3rd ratchet; Calutron, described calutron comprises magnet exciting coil and movable core; Back-moving spring; Wherein, described movable contact and described dwang are fixed, described calutron contacts with described dwang, described movable core can carry out linear reciprocating motion with respect to described magnet exciting coil, described movable core often carries out a linear reciprocating motion back and forth, and described movable contact all rotates certain angle with described dwang.
The electromagnetic switch of gear more than this kind is by the electromagnetic action of calutron, make the movable contact being connected with calibration rotating mechanism carry out calibration rotation, the movable contact that this calibration rotates coordinates with the fixed contact therefor with a public contact and multiple stepping contacts, to realize many driving switch operations of electromagnetic switch.The electromagnetic switch of gear more than this kind, can be arranged on the distant place that staff cannot contact, and by connecting and interruption of power supply electric current, the cycling switch that just can realize between many gears of switch moves, and is conducive to the Long-distance Control that speed governing etc. is installed.
Described pull bar can comprise fin, and described hollow tube can comprise guide groove.Preferably, described pull bar comprises fin, and described hollow tube comprises guide groove, and described fin is arranged in described guide groove.
In the electromagnetic switch of gear more than this kind, described the first ratchet is preferably meshed with described the second ratchet and described the 3rd ratchet.In a preferred embodiment, connect the electric current in magnet exciting coil, movable core carries out adhesive campaign with respect to magnet exciting coil, and carrying out in this adhesive motion process, the first ratchet is mainly meshed with the second ratchet; Interrupt the electric current in magnet exciting coil, movable core carries out reseting movement with respect to magnet exciting coil, and carrying out in this reseting movement process, the first ratchet is mainly meshed with the 3rd ratchet.
Preferably, described pull bar comprises hollow inner edge, and described hollow tube comprises central pore, and one end pivot of described dwang is placed on the hollow inner edge of described pull bar, described pull bar has at least part pivot to be placed in the central pore of described hollow tube, and described contact spring contacts with described pull bar.
Preferably, described calutron also comprises the connector being connected with described movable core, and described dwang contacts with the connector of described calutron.
In a preferred embodiment, described calibration rotating mechanism comprises outer tube, and described outer tube becomes entirety with described hollow tube.The calibration rotating mechanism with outer tube makes its structure become firm; Described outer tube becomes entirety integrated with described hollow tube, is conducive to reduce the quantity of parts and reduce production costs.
In another preferred embodiment, described calibration rotating mechanism comprises outer tube, and described dwang, described pull bar, described hollow tube and described contact spring are all positioned at described outer tube.The calibration rotating mechanism of this kind of structure, is conducive to improve the reliability of its work.
Preferably, described dwang comprises the first ratchet of multiple annular spread, and described pull bar comprises the second ratchet and multiple fin of multiple annular spread, and described hollow tube comprises the 3rd ratchet and multiple guide groove of multiple annular spread.
The quantity of the first ratchet is usually located between 3 to 10, is preferably located between 3 to 6; The quantity of the second ratchet is usually located between 6 to 20, is preferably located between 6 to 12; The quantity of the 3rd ratchet is usually located between 6 to 20, is preferably located between 6 to 12.
Described fin coordinates with described guide groove for location, and the quantity of fin and the quantity of guide groove are all usually located between 3 to 20, are preferably located between 4 to 12.
Brief description of the drawings
Figure l is the structural representation of a kind of many gears electromagnetic switch of the present utility model.
Fig. 2 is the perspective exploded view of the contact mechanism in Fig. 1.
Fig. 3 is the perspective exploded view of the calibration rotating mechanism in Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
With reference to figure l to Fig. 3, many gears of one electromagnetic switch of the present utility model comprises shell 35, contact mechanism, calibration rotating mechanism 30, calutron 29 and back-moving spring 33, wherein, contact mechanism, calibration rotating mechanism 30, calutron 29 and back-moving spring 33 are all positioned at shell 35.On shell 35, be provided with electric connecting terminals (not drawing in the drawings), shell 35 is preferably formed by plastics.
Contact mechanism comprises the fixed contact therefor 39 with center through hole 396 and the movable contact 38 with center through hole 381, and wherein, movable contact 38 is positioned at the top of fixed contact therefor 39, and with fixed contact therefor 39 at intervals.In the present embodiment, movable contact 38 is formed for metal material, and the distance that movably contact 38 and fixed contact therefor 39 are separated by is about 3.5 millimeters.
Fixed contact therefor 39 comprises annular plate 395 and is arranged on public contact 390 and four the stepping contacts 391,392,393,394 on annular plate 395, wherein, annular plate 395 is formed by insulating material, and public contact 390 and four stepping contacts 391,392,393,394 are all by metal material is formed.
Calibration rotating mechanism 30 is positioned on calutron 29, calibration rotating mechanism 30 comprises outer tube 40, dwang 41, pull bar 42, hollow tube 43 and contact spring 37, wherein, pull bar 42, hollow tube 43 and contact spring 37 are all positioned at outer tube 40, dwang 41 has part to be positioned at outer tube 40, and the upper bottom portion of outer tube 40 and shell 35 are fixing.
Wherein, dwang 41 is for having the body of rod of the first ratchet 411, pull bar 42 has the second ratchet 421, fin 422 and from bottom recessed hollow inner edge, hollow tube 43 has the 3rd ratchet 432, guide groove 431 and central pore 433, the upper end pivot of dwang 41 is placed on the hollow inner edge of pull bar 42, the lower end of dwang 41 is stretched in the tubular connector 30 of calutron 29, dwang 41 is through the center through hole 381 of movable contact 38 fixing with movable contact 38, pull bar 42 pivots are placed in the central pore 433 of hollow tube 43, the fin 422 of pull bar 42 is arranged in the guide groove 431 of hollow tube 43, so that pull bar 42 can slide along guide groove 431 directions with respect to hollow tube 43.In fact, fin 422 mates use with guide groove 431, is conducive to the location between pull bar 42 and hollow tube 43.
In the present embodiment, the quantity of the first ratchet 411 is 4, and the quantity of the second ratchet 421 is 8, and the quantity of the 3rd ratchet 432 is also 8.
The upper end of contact spring 37 is connected with the upper bottom portion of outer tube 40, and the lower end of contact spring 37 contacts with pull bar 42.Contact spring 37 provides downward elastic force to pull bar 42, and this elastic force can pass to movable contact 38 by dwang 41.
Calutron 29 comprises coiling framework 32, is wound on the magnet exciting coil 34 on coiling framework 32, the fixed iron core 31, the movable core 36 that contact with coiling framework 32 and the tubular connector 30 being connected with movable core 36, movable core 36 comprises the cylinder 362 and the stripe board 361 that is positioned at cylinder 362 upper ends of the medium pore position that is positioned at coiling framework 32, and tubular connector 30 contacts with dwang 41 through the center through hole 396 of fixed contact therefor 39.
Be provided with back-moving spring 33 in the bottom of shell 35, the upper end of this back-moving spring 33 contacts with the cylinder 362 of movable core 36, to provide elastic force upwards for movable core 36.
In the time that the magnet exciting coil 34 of calutron 29 does not have input current, the movable contact 38 of this many gears electromagnetic switch under the acting in conjunction of the elastic force of contact spring 37 and the elastic force of back-moving spring 33 in the position shown in Fig. 1, at this moment movable contact 38 and fixed contact therefor 39 at intervals, make many gears electromagnetic switch in off-state.
Then connect the electric current of magnet exciting coil 34, the magnetic drive movable core 36 that the electric current of magnet exciting coil 34 produces and with the fixing downward moving linearly of tubular connector 30 of movable core 36, at this moment pull bar 42, dwang 41 and also moving downward under the elastic force effect of contact spring 37 with the fixing movable contact 38 of dwang 41, make public contact 390 and four stepping contacts 391 of movable contact 38 and fixed contact therefor 39, 392, 393, a stepping contact in 394 contacts, thereby make the on-state of many gears electromagnetic switch in a certain gear, then interrupt the electric current in magnet exciting coil 34, at this moment due to the magnetic force that loses electric current and produce, movable core 36 and with the fixing tubular connector 30 of movable core 36 moving linearly upwards under the elastic force effect of back-moving spring 33, and promotion and dwang 41 fixing movable contacts 38 separate with fixed contact therefor 39, make many gears electromagnetic switch be returned to off-state.
In a word, successively connect and interrupt the electric current of magnet exciting coil 34, make movable core 36 carry out a linear reciprocating motion back and forth, in this linear reciprocating motion back and forth, the first ratchet 411 of dwang 41 coordinates jointly with the 3rd ratchet 432 of the second ratchet 421 of pull bar 42 and hollow tube 43, make dwang 41 rotate a low-angle around axis Z, because movable contact 38 is fixing with dwang 41, so movable contact 38 also rotates a low-angle with dwang 41 around axis Z.In the present embodiment, the direction that movable contact 38 and dwang 41 rotate around axis Z is the rotation direction ω shown in Fig. 3.
After the electric current of successively connection and interruption magnet exciting coil 34, again connect the electric current in magnet exciting coil 34, movable contact 38 will contact with fixed contact therefor 39 again, due to movable contact 38 with respect to when the upper electric current of once connecting magnet exciting coil 34 in rotational direction ω rotated a low-angle, this movable contact 38 contacts with fixed contact therefor 39, and to be movable contact 38 contact with another stepping contact in public contact 390 and four stepping contacts 391,392,393,394 of fixed contact therefor 39.Easily find out, constantly interrupt and connect the electric current in magnet exciting coil 34, can make four stepping contacts of movable contact 38 circulating contact 391,392,393,394, thereby realize the cycling switch work between multiple gears of many gears electromagnetic switch.
Although shown and described and thought at present preferred embodiment of the present utility model, apparent, those skilled in the art can carry out various changes and improvements, and does not deviate from the scope of the present utility model that appended claims limits.
Claims (5)
1. the electromagnetic switch of gear more than, is characterized in that, described many gears electromagnetic switch comprises: contact mechanism, and described contact mechanism comprises fixed contact therefor and movable contact, described fixed contact therefor comprises a public contact and multiple stepping contact; Calibration rotating mechanism, described calibration rotating mechanism comprises dwang, pull bar, hollow tube and contact spring, described dwang comprises the first ratchet, described pull bar comprises the second ratchet, fin and hollow inner edge, described hollow tube comprises the 3rd ratchet, guide groove and central pore, one end pivot of described dwang is placed on the hollow inner edge of described pull bar, and described pull bar has at least part pivot to be placed in the central pore of described hollow tube, and described contact spring contacts with described pull bar; Calutron, described calutron comprises magnet exciting coil, movable core and the connector being connected with described movable core; Back-moving spring; Wherein, described movable contact and described dwang are fixed, described connector contacts with described dwang, described the first ratchet can be meshed with described the second ratchet and described the 3rd ratchet, described movable core can carry out linear reciprocating motion with respect to described magnet exciting coil, described movable core often carries out a linear reciprocating motion back and forth, and described movable contact all rotates certain angle with described dwang.
2. many gears of one electromagnetic switch as claimed in claim 1, is characterized in that, described calibration rotating mechanism also comprises outer tube, and described outer tube becomes entirety with described hollow tube.
3. many gears of one electromagnetic switch as claimed in claim 1, is characterized in that, described calibration rotating mechanism also comprises outer tube, and described dwang, described pull bar, described hollow tube and described contact spring all have at least part to be positioned at described outer tube.
4. many gears of one electromagnetic switch as claimed in claim 1, is characterized in that, described dwang comprises the first ratchet of multiple annular spread, and described pull bar comprises the second ratchet of multiple annular spread, and described hollow tube comprises the 3rd ratchet of multiple annular spread.
5. many gears electromagnetic switch as claimed in claim 1, it is characterized in that, described dwang comprises the first ratchet of multiple annular spread, described pull bar comprises the second ratchet of multiple annular spread, described hollow tube comprises the 3rd ratchet of multiple annular spread, wherein, the quantity of the first ratchet is between 3 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420056480.9U CN203707041U (en) | 2014-01-29 | 2014-01-29 | Multi-level electromagnetic switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420056480.9U CN203707041U (en) | 2014-01-29 | 2014-01-29 | Multi-level electromagnetic switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203707041U true CN203707041U (en) | 2014-07-09 |
Family
ID=51057441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420056480.9U Expired - Fee Related CN203707041U (en) | 2014-01-29 | 2014-01-29 | Multi-level electromagnetic switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203707041U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105336544A (en) * | 2015-11-30 | 2016-02-17 | 苏州润桐专利运营有限公司 | Four-gear relay |
| CN106531561A (en) * | 2017-01-04 | 2017-03-22 | 昆山国力源通新能源科技有限公司 | Mechanical latching energy-saving high-voltage DC contactor |
| CN107591258A (en) * | 2017-10-25 | 2018-01-16 | 邓长春 | Electromagnetic switch and its application method |
-
2014
- 2014-01-29 CN CN201420056480.9U patent/CN203707041U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105336544A (en) * | 2015-11-30 | 2016-02-17 | 苏州润桐专利运营有限公司 | Four-gear relay |
| CN106531561A (en) * | 2017-01-04 | 2017-03-22 | 昆山国力源通新能源科技有限公司 | Mechanical latching energy-saving high-voltage DC contactor |
| CN107591258A (en) * | 2017-10-25 | 2018-01-16 | 邓长春 | Electromagnetic switch and its application method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2889991A1 (en) | Permanent magnet power generating device | |
| CN203707041U (en) | Multi-level electromagnetic switch | |
| CN205751143U (en) | A kind of bridge construction alarm set | |
| CN201289816Y (en) | Outdoor high-voltage permanent magnet type vacuum circuit breaker | |
| CN102148112A (en) | Spiral tube type adjustable electromagnetic release | |
| CN104810208A (en) | Multi-gear electromagnetic switch | |
| CN104810185B (en) | An electromagnetic switch having a plurality of switch gears | |
| CN203706984U (en) | Electromagnetic switch with a plurality of switch levels | |
| CN202502940U (en) | Monostable permanent magnetic mechanism | |
| CN103367047B (en) | The drive unit of electromagnetic relay | |
| CN203377574U (en) | Concentrator | |
| CN105896873B (en) | A kind of miniature power generating device | |
| CN203910405U (en) | Electromagnet for controlling dual valves | |
| CN103489704A (en) | Operating device for vacuum circuit breaker | |
| CN109244914B (en) | Ground knife pressing plate opening mechanism of high-voltage switch cabinet of transformer substation | |
| CN203277191U (en) | Three-position toggle switch | |
| CN203386671U (en) | Double-phase relay | |
| CN201038044Y (en) | Permanent-magnetic operating mechanism | |
| CN203674106U (en) | Multi-contact push-type magnetic latching relay | |
| CN208141942U (en) | A kind of adjustable permanent magnet device | |
| CN201956867U (en) | Magnetic force driver | |
| CN101567279A (en) | Magnetic force clutch | |
| CN206179789U (en) | Electrical engineering contactor switch | |
| CN105827093A (en) | Novel micro power generation device | |
| CN203242559U (en) | Permanent magnetic operating mechanism for vacuum circuit breaker |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20170129 |