CN204029720U - A kind of reinforced electric magnetoelectricity source switch - Google Patents
A kind of reinforced electric magnetoelectricity source switch Download PDFInfo
- Publication number
- CN204029720U CN204029720U CN201420256240.3U CN201420256240U CN204029720U CN 204029720 U CN204029720 U CN 204029720U CN 201420256240 U CN201420256240 U CN 201420256240U CN 204029720 U CN204029720 U CN 204029720U
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- iron core
- cavity
- push rod
- source switch
- static iron
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Abstract
The utility model discloses a kind of reinforced electric magnetoelectricity source switch, relate to electric equipment field, solved the problem that prior art easily lost efficacy under weak current.In comprising, this switch is provided with the combined housing of metal inner casing, in combined housing, be provided with core assembly and break-make actuator, core assembly comprises coil, static iron core and moving iron core, coil winding is on the metal sleeve of one " work " type, static iron core and moving iron core are located in metal sleeve, be provided with the magnetic conduction sheet of strengthening magnetic flux in the upper and lower end face of metal sleeve, in static iron core, be embedded with push rod movable up and down, the top of push rod is provided with the contact chip of conduction, between push rod upper end and the end cap of housing, be provided with back-moving spring, on end cap, be fixed with two binding posts, the lower end of binding post embeds in housing and matches with contact chip.The utility model is simple in structure, and combined housing intensity is high, anti-falls shock-resistantly, and metal sleeve and magnetic conduction sheet have been strengthened the magnetic flux of coil, also can sensitive triggering contact chip under weak current, and working stability is reliable.
Description
Technical field
The utility model relates to electric equipment field, be specifically related to a kind of simple in structure, anti-fall shock-resistant, reinforced electric magnetoelectricity source switch that also can sensitive triggering contact chip under weak current.
Background technology
At electric field, contactor is the wider important device of a kind of use, is generally used for being switched on or switched off continually the occasion of the power supply circuits of control object.Control object is generally motor, but also comprises electrical loads such as electricity hot device ﹑ machine-tool and various electric power units.Contactor mainly comprises the main circuit on off mechanism of the main circuit for being switched on or switched off control object and for controlling solenoid unit two parts of on-off action of main circuit on off mechanism.In the prior art, main circuit on off mechanism is made up of moving contact and fixed contact conventionally, and solenoid unit mainly comprises coil, moving iron core and static iron core.When after the coil electricity of the solenoid unit of contactor, coil current can produce magnetic field, the magnetic field producing makes the static iron core of solenoid unit produce electromagnetic attraction and attract the moving iron core of solenoid unit, moving iron core drives the moving contact action of main circuit on off mechanism, thereby is switched on or switched off main circuit.When after the coil blackout of the solenoid unit of contactor, electromagnetic force disappears, and moving contact is returned to initial position.
When work, contactor needs frequent switching, is operated in wider current range, and will have the operating system of contact system and flexibility and reliability flexibly.At present, contactor is extensively adopted by industries such as engineering machinery, battery vehicle, communication electric-control system and frequency converters, there is unsettled phenomenon in a lot of equipment supply power voltages, if and under electric current, the magnetic field that coil produces is strong not, be not enough to drive the adhesive of static iron core to moving iron core, thereby cause connecting and disconnecting of the circuit control malfunctioning.In addition, the outer cover intensity of pure plastic material is low, anti-fall with impact resistance a little less than.
Utility model content
The defect existing in order to solve above-mentioned technology, it is a kind of simple in structure that the utility model provides, anti-fall shock-resistant, reinforced electric magnetoelectricity source switch that also can sensitive triggering contact chip under weak current.
The utility model is realized the technical scheme that above-mentioned technique effect adopts:
A kind of reinforced electric magnetoelectricity source switch, comprise combined housing, be located at the binding post on described combined housing and be located at core assembly and the break-make actuator in described combined housing, described core assembly comprises coil, static iron core and moving iron core, wherein, described coil winding is on the metal sleeve of one " work " type, described static iron core and described moving iron core are located in this metal sleeve, and the upper and lower end face of described metal sleeve is equipped with the magnetic conduction sheet for strengthening described coil flux amount.
As preferably, above-mentioned a kind of reinforced electric magnetoelectricity source switch, described combined housing has the first cavity and the second cavity that are interconnected, described core assembly is positioned at the first cavity, described break-make actuator is positioned at described the second cavity, the chamber wall side of described the second cavity is provided with supporting seat, and described supporting seat is provided with the end cap for sealing described housing.
As preferably, above-mentioned a kind of reinforced electric magnetoelectricity source switch, described break-make actuator comprises and is embedded the push rod in described static iron core and is fixed on the contact chip for turning circuit on described push rod, and described push rod runs through described static iron core, and can be up and down along described static iron core.
As preferably, above-mentioned a kind of reinforced electric magnetoelectricity source switch, described contact chip is located at described push rod one end towards described the second cavity, and the other end of described push rod stretches out in described static iron core and contacts separably with described moving iron core.
As preferably, above-mentioned a kind of reinforced electric magnetoelectricity source switch, described push rod is provided with back-moving spring at the upper end of the one end towards described the second cavity, and the other end of described back-moving spring and described supporting seat fix.
As preferably, above-mentioned a kind of reinforced electric magnetoelectricity source switch, described magnetic conduction sheet comprises magnetic conduction sheet and lower magnetic conduction sheet, and described upper magnetic conduction sheet is positioned at the boundary of described the first cavity and described the second cavity, and described static iron core is fixed on described upper magnetic conduction sheet.
As preferably, above-mentioned a kind of reinforced electric magnetoelectricity source switch, described combined housing comprises plastic casing and is located at the metal inner casing on described plastic casing inwall.
As preferably, above-mentioned a kind of reinforced electric magnetoelectricity source switch, described binding post is located on described end cap, and the lower end of described binding post embeds described end cap and described supporting seat and is positioned at described the second cavity and matches with described contact chip.
The beneficial effects of the utility model are: the utility model is simple in structure, the combined housing intensity being made up of plastic casing and metal inner casing is high, anti-fall shock-resistant, the magnetic conduction sheet at the metal sleeve on coil and coil both ends has been strengthened the magnetic flux of coil, also can sensitive triggering contact chip under weak current, working stability is reliable, can adapt to the operational environment compared with wide-range current.In addition, by core assembly and break-make actuator are placed in respectively to different cavitys, can make core assembly and break-make actuator separate, fixed space compactness, can not produce shake when work.Push rod, in the time of moving iron core adhesive static iron core, can move to the second cavity by the extruding of moving iron core, and it is in electrical contact that the contact chip that makes push rod upper end and binding post form, connection circuit, and contact chip is active in one's movements.
Brief description of the drawings
Fig. 1 is structure chart of the present utility model;
Fig. 2 is stereogram of the present utility model.
In figure: magnetic conduction sheet, 20-metal sleeve, 21-" O " RunddichtringO, 22-holder, 23-fixing hole, 24-conductor wire under 1-plastic casing, 2-metal inner casing, 3-end cap, 4-coil, the moving iron core of 5-, 6-static iron core, 7-push rod, 8-contact chip, 9-binding post, 10-epoxy sealing glue, 11-plastic retainer sheet, 12-hold-down nut, 13-back-moving spring, 14-the first cavity, 15-work shape part, the upper magnetic conduction sheet of 16-, 17-supporting seat, 18-the second cavity, 19-.
Embodiment
For making that the utility model is done further to understand, below with reference to Figure of description and specific embodiment, the utility model is described in further detail:
As depicted in figs. 1 and 2, a kind of reinforced electric magnetoelectricity source switch, comprise combined housing, be located at the binding post 9 on combined housing and be located at core assembly and the break-make actuator in combined housing, this core assembly comprises coil 4, static iron core 6 and moving iron core 5, coil 4 has picked out conductor wire 24, switches on to coil 4 by conductor wire 24.Combined housing is made up of plastic casing 1 and the metal inner casing 2 being located on plastic casing 1 inwall.Wherein, as a kind of improvement of the present utility model, coil 4 is wrapped on the metal sleeve 20 of one " work " type, and coil 4, static iron core 6 and moving iron core 5 are all located in metal sleeve 20.The upper and lower end face of metal sleeve 20 is equipped with the magnetic conduction sheet of the magnetic flux for strengthening coil 4, and this magnetic conduction sheet comprises magnetic conduction sheet 16 and lower magnetic conduction sheet 19.For forming compact installing space, combined housing has the first cavity 14 and the second cavity 18 that are interconnected, and core assembly is positioned at the first cavity 14, and break-make actuator is positioned at the second cavity 18.Upper magnetic conduction sheet 16 is positioned at the boundary of the first cavity 14 and the second cavity 18, the first cavity 14 and the second cavity 18 are divided into two parts of space compactness, for convenience to combined housing inner filling inert gas argon gas, the first cavity 14 and the second cavity 18 are non-tight sexual isolation, and argon gas can flow each other.Static iron core 6 is fixed on magnetic conduction sheet 16, and the lower surface of metal sleeve 20 and lower magnetic conduction sheet 19 fit.The chamber wall side of the second cavity 18 is provided with supporting seat 17, and this supporting seat 17 is provided with for end cap 3, two binding posts 9 of seal casinghousing and is fixed on end cap 3, is fixed by hold-down nut 12.The lower end of binding post 9 embeds end cap 3 and supporting seat 17 and is positioned at the second cavity 18 and matches with contact chip 8.For preventing producing electric arc between two binding posts 9, the upper surface of end cap 3 is provided with a plastic retainer sheet 11 between two binding posts 9.Further, in the housing oral area cavity surrounding at supporting seat 17, end cap 3 and housing, be perfused with epoxy sealing glue 10, epoxy sealing glue 10 can ensure the utlity model has good sealing property, can dustproof and waterproof, for enhanced leaktightness effect further, between the end face that supporting seat 17 and binding post 9 combine, be provided with " O " RunddichtringO 21.For the ease of fixing the utility model, the lower end sidewall of combined housing is provided with holder 22, and holder 22 is provided with fixing hole 23, the utility model can be securely fixed on working position by flat head screw.
Particularly, in preferred embodiment of the present utility model, break-make actuator comprises the push rod 7 being embedded in static iron core 6, and is fixed on push rod 7 for forming and be electrically connected with binding post 9, the contact chip 8 that circuit is carried out to conducting.Push rod 7 runs through static iron core 6, and in the time that coil 4 is switched on, iron core 5 is moved in static iron core 6 adhesives, and the passive iron core 5 of push rod 7 pushes, and push rod 7 can be along static iron core 6 to one end activity away from moving iron core 5.Concrete, contact chip 8 is fixed on push rod 7 one end towards the second cavity 18 by a work type part 15, and contact chip 8 is positioned at the second cavity 18, can be interior up and down at the second cavity 18 under the drive of push rod 7.The other end of push rod 7 stretches out in static iron core 6 and contacts separably with moving iron core 5.Push rod 7 is provided with back-moving spring 13 at the upper end of the one end towards the second cavity 18, and the other end of this back-moving spring 13 and supporting seat 17 fix.At coil sub-unit 4 during in "on" position not, back-moving spring 13 can make push rod 7 away from binding post 9 under acting force of the spring, at coil sub-unit 4 during in "on" position, iron core 5 is moved in static iron core 6 adhesives, under the squeezing action power of moving iron core 5, push rod 7 overcomes the active force of back-moving spring 13, can make push rod 7 away from binding post 9 under acting force of the spring.
In sum, the utility model is simple in structure, the combined housing intensity being made up of plastic casing and metal inner casing is high, anti-fall shock-resistant, the magnetic conduction sheet at the metal sleeve on coil and coil both ends has been strengthened the magnetic flux of coil, also can sensitive triggering contact chip under weak current, working stability is reliable, can adapt to the operational environment compared with wide-range current.In addition, by core assembly and break-make actuator are placed in respectively to different cavitys, can make core assembly and break-make actuator separate, fixed space compactness, can not produce shake when work.Push rod, in the time of moving iron core adhesive static iron core, can move to the second cavity by the extruding of moving iron core, and it is in electrical contact that the contact chip that makes push rod upper end and binding post form, connection circuit, and contact chip is active in one's movements.
More than show and described general principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what in above-described embodiment and specification, describe is principle of the present utility model; under the prerequisite that does not depart from the utility model spirit and scope, the utility model also has various changes and modifications; these changes and improvements all fall in claimed scope of the present utility model, and the protection range that the utility model requires is defined by appending claims and equivalent thereof.
Claims (8)
1. a reinforced electric magnetoelectricity source switch, comprise combined housing, be located at the binding post on described combined housing and be located at core assembly and the break-make actuator in described combined housing, described core assembly comprises coil, static iron core and moving iron core, it is characterized in that, described coil winding is on the metal sleeve of one " work " type, described static iron core and described moving iron core are located in this metal sleeve, and the upper and lower end face of described metal sleeve is equipped with the magnetic conduction sheet for strengthening described coil flux amount.
2. a kind of reinforced electric magnetoelectricity source switch according to claim 1, it is characterized in that, described combined housing has the first cavity and the second cavity that are interconnected, described core assembly is positioned at the first cavity, described break-make actuator is positioned at described the second cavity, the chamber wall side of described the second cavity is provided with supporting seat, and described supporting seat is provided with the end cap for sealing described housing.
3. a kind of reinforced electric magnetoelectricity source switch according to claim 2, it is characterized in that, described break-make actuator comprises and is embedded the push rod in described static iron core and is fixed on the contact chip for turning circuit on described push rod, described push rod runs through described static iron core, and can be up and down along described static iron core.
4. a kind of reinforced electric magnetoelectricity source switch according to claim 3, it is characterized in that, described contact chip is located at described push rod one end towards described the second cavity, and the other end of described push rod stretches out in described static iron core and contacts separably with described moving iron core.
5. a kind of reinforced electric magnetoelectricity source switch according to claim 3, is characterized in that, described push rod is provided with back-moving spring at the upper end of the one end towards described the second cavity, and the other end of described back-moving spring and described supporting seat fix.
6. a kind of reinforced electric magnetoelectricity source switch according to claim 2, it is characterized in that, described magnetic conduction sheet comprises magnetic conduction sheet and lower magnetic conduction sheet, and described upper magnetic conduction sheet is positioned at the boundary of described the first cavity and described the second cavity, and described static iron core is fixed on described upper magnetic conduction sheet.
7. a kind of reinforced electric magnetoelectricity source switch according to claim 1, is characterized in that, described combined housing comprises plastic casing and is located at the metal inner casing on described plastic casing inwall.
8. a kind of reinforced electric magnetoelectricity source switch according to claim 3, it is characterized in that, described binding post is located on described end cap, and the lower end of described binding post embeds described end cap and described supporting seat and is positioned at described the second cavity and matches with described contact chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420256240.3U CN204029720U (en) | 2014-05-19 | 2014-05-19 | A kind of reinforced electric magnetoelectricity source switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420256240.3U CN204029720U (en) | 2014-05-19 | 2014-05-19 | A kind of reinforced electric magnetoelectricity source switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204029720U true CN204029720U (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420256240.3U Expired - Fee Related CN204029720U (en) | 2014-05-19 | 2014-05-19 | A kind of reinforced electric magnetoelectricity source switch |
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| Country | Link |
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| CN (1) | CN204029720U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109712847A (en) * | 2017-10-25 | 2019-05-03 | 阿尔布莱特国际有限公司 | Electrical relay with mounting bracket |
-
2014
- 2014-05-19 CN CN201420256240.3U patent/CN204029720U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109712847A (en) * | 2017-10-25 | 2019-05-03 | 阿尔布莱特国际有限公司 | Electrical relay with mounting bracket |
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| 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: 20141217 Termination date: 20180519 |
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| CF01 | Termination of patent right due to non-payment of annual fee |