CN203746751U - Electromagnetic switch for automotive starter - Google Patents
Electromagnetic switch for automotive starter Download PDFInfo
- Publication number
- CN203746751U CN203746751U CN201420072957.2U CN201420072957U CN203746751U CN 203746751 U CN203746751 U CN 203746751U CN 201420072957 U CN201420072957 U CN 201420072957U CN 203746751 U CN203746751 U CN 203746751U
- Authority
- CN
- China
- Prior art keywords
- iron core
- cover assembly
- electromagnetic switch
- switch cover
- switch
- 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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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
Disclosed in the utility model is an electromagnetic switch for an automotive starter. The electromagnetic switch comprises a switch cover assembly and an iron case; and the iron case and the switch cover assembly are connected in a riveting mode or in a screw fastening mode. A static iron core, a moving iron core, and a coil assembly are arranged in the iron case; the coil assembly is placed in a cavity formed by the static iron core, the moving iron core, and the iron case; and an elastic gasket is arranged between the static iron core and the switch cover assembly. Because the elastic gasket is arranged between the static iron core and the switch cover assembly, the switch cover assembly is prevented from being loosened due to the support effect of the elastic gasket during the starter operation process. Therefore, a problem that the electromagnetic switch fails to work due to vibration during the starter operation process can be solved. Moreover, the provided electromagnetic switch has advantages of convenient realization, simple operation, and low additional cost.
Description
Technical field
The utility model relates to a kind of electromagnetic switch, relates in particular to a kind of electromagnetic switch used for automobile starter.
Background technology
Current automobile engine is all start in advance and work by starter, and starter mainly comprises DC motor, magnetic switch and one-way clutch.Magnetic switch task is: the one, and the instruction of sending according to ignition switch, promotes one-way clutch along driving axial front slide, and engages with the big trochal disc of engine, and the 2nd, be switched on or switched off the power supply that connects DC motor.The task of one-way clutch: the one, the big trochal disc the transmission of power of DC motor to engine, the 2nd, after engine is launched, the power of blocking-up engine returns passes to DC motor.
Current existing magnetic switch is cymbals fork structure, must release one-way clutch and engage with the big trochal disc of engine when this kind of arrangement works, connects afterwards the power supply of DC motor again; Beat tooth otherwise there will be, this just requires the closing time of electromagnetic switch must lag behind the time that one-way clutch is pushed out; The time of switch closure, while too hysteresis, there will be apical tooth phenomenon.The reverse link gear of obvious this complexity harsh control precision relative to requirement, causes starter work to be free in normal and abnormal critical condition.
Existing electromagnetic switch used for automobile starter, in formed by static iron core, moving iron core, coil assembly, iron-clad and switch cover assembly, in the process of starter operation, coil assembly energising when work, produce suction, make iron core reciprocating motion in coil assembly, produce vibrations, switch cover assembly produces loosening, and rotation causes electromagnetic switch to lose efficacy.
In view of above-mentioned defect, be necessary to design in fact a kind of improved electromagnetic switch used for automobile starter.
Utility model content
Technical problem to be solved in the utility model is: a kind of electromagnetic switch used for automobile starter is provided, and described electromagnetic switch is in the process of starter operation, and switch cover assembly is difficult for producing loosening problem.
A kind of electromagnetic switch used for automobile starter, it comprises switch cover assembly, iron-clad, is provided with static iron core, moving iron core, coil assembly in described iron-clad, and a plane elasticity pad is set between described static iron core and switch cover assembly.
Further, between described switch cover assembly, iron-clad, adopt riveted connection or screw to connect.
Further, described elastomeric pad is provided with some circles, and its cross section is tapered.
Further, described elastomeric pad is provided with breach.
Further, described static iron core, moving iron core and iron-clad form a cavity volume, and described coil assembly is placed in cavity volume.
Compared with prior art, due to an elastomeric pad being set between static iron core and switch cover assembly, the supporting role of elastomeric pad, make the process in starter operation, switch cover assembly is difficult for lax, has therefore solved the process in starter operation, owing to producing vibrations, switch cover assembly easily produces loosening, causes the electromagnetic switch out-of-work problem that lost efficacy.
Brief description of the drawings
Fig. 1 is the cutaway view of the utility model electromagnetic switch.
Fig. 2 is the front view of the utility model Elastic pad.
Fig. 3 is the vertical view of the utility model Elastic pad.
Reference numeral explanation: 1. switch cover assembly, 2. elastomeric pad, 3. static iron core, 4. coil assembly, 5. iron-clad, 6. moving iron core.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
As shown in Figure 1 to Figure 3, one meets the utility model electromagnetic switch used for automobile starter, and it comprises switch cover assembly 1, iron-clad 5, and iron-clad 5 is connected with switch cover assembly 1 riveted or screw connects.
In described iron-clad 5, be provided with static iron core 3, moving iron core 6, coil assembly 4, described static iron core 3, moving iron core 6 and iron-clad 5 form a cavity volume, and described coil assembly 4 is placed in cavity volume.Static iron core, 3 and switch cover assembly 1 between a plane elasticity pad 2 is set.
Elastomeric pad 2 is provided with some circles, and its cross section is tapered.Elastomeric pad 2 the top elastic ring diameters are less than the diameter of nethermost circle.Described elastomeric pad 2 is provided with breach.Described static iron core 3, moving iron core 6 and iron-clad 5 form a cavity volume, and described coil assembly 4 is placed in cavity volume.
Compared with prior art, due to an elastomeric pad 2 being set between static iron core 3 and switch cover assembly 1, the supporting role of elastomeric pad 2, make the process in starter operation, switch cover assembly 1 is difficult for lax, has therefore solved the process in starter operation, owing to producing vibrations, switch cover assembly 1 easily produces loosening, causes the electromagnetic switch out-of-work problem that lost efficacy.
The utility model is not limited to above-mentioned concrete execution mode, and those of ordinary skill in the art is from above-mentioned design, and without performing creative labour, all conversion of having done, within all dropping on protection range of the present utility model.
Claims (5)
1. an electromagnetic switch used for automobile starter, it comprises switch cover assembly (1), iron-clad (5), in described iron-clad (5), be provided with static iron core (3), moving iron core (6), coil assembly (4), it is characterized in that: a plane elasticity pad (2) is set between described static iron core and switch cover assembly.
2. a kind of electromagnetic switch used for automobile starter as claimed in claim 1, is characterized in that: between described switch cover assembly (1), iron-clad (5), adopt riveted to connect or screw connects.
3. a kind of electromagnetic switch used for automobile starter as claimed in claim 2, is characterized in that: described elastomeric pad (2) is provided with some circles, and its cross section is tapered.
4. a kind of electromagnetic switch used for automobile starter as claimed in claim 3, is characterized in that: described elastomeric pad (2) is provided with breach.
5. a kind of electromagnetic switch used for automobile starter as claimed in claim 4, it is characterized in that: described static iron core (3), moving iron core (6) and iron-clad (5) form a cavity volume, and described coil assembly (4) is placed in cavity volume.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420072957.2U CN203746751U (en) | 2014-02-17 | 2014-02-17 | Electromagnetic switch for automotive starter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420072957.2U CN203746751U (en) | 2014-02-17 | 2014-02-17 | Electromagnetic switch for automotive starter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203746751U true CN203746751U (en) | 2014-07-30 |
Family
ID=51346516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420072957.2U Expired - Fee Related CN203746751U (en) | 2014-02-17 | 2014-02-17 | Electromagnetic switch for automotive starter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203746751U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105810510A (en) * | 2016-04-08 | 2016-07-27 | 常州信发汽车配件有限公司 | Electromagnetic switch used for shock-resistant starter |
-
2014
- 2014-02-17 CN CN201420072957.2U patent/CN203746751U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105810510A (en) * | 2016-04-08 | 2016-07-27 | 常州信发汽车配件有限公司 | Electromagnetic switch used for shock-resistant starter |
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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: 20140730 Termination date: 20180217 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| DD01 | Delivery of document by public notice |
Addressee: Shi Xia Document name: Notification of Termination of Patent Right |
|
| DD01 | Delivery of document by public notice |