CN205303355U - Electromagnetic switch of starter - Google Patents
Electromagnetic switch of starter Download PDFInfo
- Publication number
- CN205303355U CN205303355U CN201520990460.3U CN201520990460U CN205303355U CN 205303355 U CN205303355 U CN 205303355U CN 201520990460 U CN201520990460 U CN 201520990460U CN 205303355 U CN205303355 U CN 205303355U
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- contact
- movable contact
- coil
- housing
- spring
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Abstract
The utility model discloses an electromagnetic switch of starter belongs to the switch technology field, the casing be connected including stationary contact headstock, static contact, with the stationary contact headstock, fix coil brace, iron core, coil, moving contact and movable contact spring in the casing, the coil solderless wrapped connection is on coil brace, and the movable contact spring is connected on moving contact, its characterized in that: serve the quiet touch multitouch of fixedly connected with in the static contact, quiet touch multitouch comprises static contact and the circular arc spherical surface boss of fixing on the static contact, and it has many parallel arrangement's strip connected in star to open on the circular arc spherical surface boss, is connected with on moving contact's the circumference outer wall and keeps off the ring, and the last cover of moving contact has return spring, and return spring's one end and touch multitouch 0 are connected, and the other end connects with keeping off the linkage, is connected with touch multitouch 1 between stationary contact headstock and the casing. The utility model discloses can effectively avoid drawing the arc, avoid the switch adhesion, the protection contact surface to guarantee switch stability in use.
Description
Technical field
This utility model relates to switching technique field, particularly relates to a kind of electromagnetic switch suitable in automobile starter.
Background technology
Electromagnetic switch is the switch of a kind of magnet control, i.e. the coalition of electric magnet and switch. Producing electromagnetic attraction after electromagnet coil power, movable core pushes and pulls switch contact Guan Bi, thus connecting circuit. Electromagnetic switch is widely used in every profession and trade, is most commonly that the catalyst of industrial circle.
In Mechanical & Electrical Transmission industry, in actual production, often asynchronous motor rotating automatic control circuit being dressed up is a set of electrical equipment, is reversible magnetic switch, also known as electromagnetic switch. Electromagnetic switch is applied on automobile starter, its composition mainly includes sucking coil, hold-in winding, iron core, contact chip and return spring, its operation principle is by making iron core move coil electricity, thus the clutch gear of starter is sent into engine flywheel gear ring, after clutch gear couples with flywheel ring gear, connect starter power by contact chip, make starter rotate, thus starting electromotor. Prior art is applied in the electromagnetic switch on automobile starter, and usual static contact and moving contacting plate contact portion are plane, and thinner thickness, it is easy to phenomenon of arc discharge occur burns out contact surface, switchs easy adhesion; Screw and the connection sheet of electromagnetic switch are together with cold riveting with working of plastics, when easily there is upper jack panel in this structure, and screw turns, connect sheet displacement.
Publication number is CN201629271U, the Chinese patent literature that publication date is on November 10th, 2010 discloses a kind of starter relay, including solenoid part and switch sections, described solenoid part includes internal with cored tubular coil brace, coil brace is wound with coil, described switch sections is arranged at the end of coil brace, including cover plate and wear two static contacts on the cover board, movable contact rod it is provided with between static contact and iron core, movable contact rod is provided with movable contact spring, movable contact rod is additionally provided with resetting-mechanism, it is characterized in that, the inner of described static contact is fixed with static contact, described static contact adopts alloyed copper material to be made, above-mentioned movable contact rod can be moved under the driving of iron core and be made movable contact spring contact with two static contacts simultaneously.Electromagnetic switch disclosed in this patent documentation, although there is good waterproof and dustproof effect, but, its static contact and movable contact spring contact portion are plane, and thinner thickness, it is easy to phenomenon of arc discharge occur burns out contact surface, switchs easy adhesion, cause switch failure.
Utility model content
This utility model is in order to overcome the defect of above-mentioned prior art, it is provided that a kind of starter relay, and this utility model can be prevented effectively from arcing, it is to avoid switch adhesion, protects contact surface, thus ensureing switch stability in use.
This utility model is achieved through the following technical solutions:
A kind of starter relay, including fixed contact pedestal, static contact, the housing being connected with fixed contact pedestal, it is fixed on the coil brace in housing, ferrum core, coil, movable contact rod and movable contact spring, coil solderless wrapped connection is on coil brace, movable contact spring is connected in movable contact rod, it is characterized in that: the inner of described static contact is fixedly connected with stationary contact block, described stationary contact block is made up of static contact and the circular arc spherical surface boss being fixed on static contact, described circular arc spherical surface boss has the many strip grooves being arranged in parallel, the outer circumferential walls of described movable contact rod is connected to baffle ring, movable contact rod is cased with return spring, one end of return spring is connected with inner walls, the other end is connected with baffle ring, it is connected to seal washer between described fixed contact pedestal and housing.
Being provided with the collar in described movable contact rod, the end of the collar and movable contact rod is socketed.
Being cased with insulation spacer in described movable contact rod, insulation spacer is between the collar and movable contact spring.
Having annular groove on described baffle ring, the diameter of annular groove is suitable with the diameter of return spring.
Being provided with screw on described fixed contact pedestal, screw and fixed contact pedestal are integrated through injection molding structure.
Being provided with buffer gasket between described coil and housing, buffer gasket is connected in inner walls.
The beneficial effects of the utility model are mainly manifested in the following aspects:
One, this utility model, the inner of static contact is fixedly connected with stationary contact block, described stationary contact block is made up of static contact and the circular arc spherical surface boss being fixed on static contact, described circular arc spherical surface boss has the many strip grooves being arranged in parallel, the outer circumferential walls of described movable contact rod is connected to baffle ring, movable contact rod is cased with return spring, one end of return spring is connected with inner walls, the other end is connected with baffle ring, it is connected to seal washer between described fixed contact pedestal and housing, can be dust-proof, waterproof, the relatively static contact of prior art planar structure, by setting up circular arc spherical surface boss on static contact, circular arc spherical surface boss has the many strip grooves being arranged in parallel, increase the thickness of whole stationary contact block and movable contact spring contact portion, arcing can be prevented effectively from, avoid switch adhesion, protection contact surface, thus ensureing switch stability in use.
Two, this utility model, movable contact rod is provided with the collar, and the end of the collar and movable contact rod is socketed, and makes movable contact rod mobile more steady under the driving of iron core, and then makes movable contact spring and stationary contact block better be contacting and separating, ensures switch life-time service stability.
Three, this utility model, movable contact rod is cased with insulation spacer, and insulation spacer is between the collar and movable contact spring, and insulation spacer not only has good insulating effect, and is prevented from the collar and produces friction with movable contact spring, extends the service life of movable contact spring.
Four, this utility model, baffle ring has annular groove, the diameter of annular groove is suitable with the diameter of return spring, annular groove is to return spring limited location effect, prevent return spring from sliding, thus ensureing that what movable contact rod can be good under return spring active force stretches out and shrink, and then ensure whole switching stability.
Five, this utility model, fixed contact pedestal is provided with screw, and screw and fixed contact pedestal are integrated through injection molding structure, relatively prior art screw and fixed contact pedestal riveted joint, it is possible to when being prevented effectively from top nut, screw turns gets loose, and stability in use is better.
Six, this utility model, is provided with buffer gasket between coil and housing, buffer gasket is connected in inner walls, it is possible to reduce vibrations when switch uses, coil caused, it is prevented that coil loosens.
Accompanying drawing explanation
Below in conjunction with specification drawings and specific embodiments, this utility model is described in further detail, wherein:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the top view of stationary contact block;
Fig. 3 is the structural representation of this utility model embodiment 2;
Fig. 4 is the structural representation of this utility model embodiment 3;
Fig. 5 is the sectional view of movable contact rod in this utility model embodiment 4;
Fig. 6 is the structural representation of this utility model embodiment 5;
Fig. 7 is the structural representation of this utility model embodiment 6;
Labelling in figure: 1, fixed contact pedestal, 2, static contact, 3, housing, 4, coil brace, 5, iron core, 6, coil, 7, movable contact rod, 8, movable contact spring, 9, static contact, 10, circular arc spherical surface boss, 11, baffle ring, 12, return spring, 13, the collar, 14, insulation spacer, 15, annular groove, 16, screw, 17, strip groove, 18, seal washer, 19, buffer gasket.
Detailed description of the invention
Embodiment 1
Referring to Fig. 1 and Fig. 2, a kind of starter relay, including fixed contact pedestal 1, static contact 2, the housing 3 being connected with fixed contact pedestal 1, it is fixed on the coil brace 4 in housing 3, iron core 5, coil 6, movable contact rod 7 and movable contact spring 8, coil 6 solderless wrapped connection is on coil brace 4, movable contact spring 8 is connected in movable contact rod 7, the inner of described static contact 2 is fixedly connected with stationary contact block, described stationary contact block is made up of static contact 9 and the circular arc spherical surface boss 10 being fixed on static contact 9, described circular arc spherical surface boss 10 has the many strip grooves being arranged in parallel 17, the outer circumferential walls of described movable contact rod 7 is connected to baffle ring 11, movable contact rod 7 is cased with return spring 12, one end of return spring 12 is connected with housing 3 inwall, the other end is connected with baffle ring 11, it is connected to seal washer 18 between described fixed contact pedestal 1 and housing 3.
The present embodiment is most basic embodiment, the inner of static contact is fixedly connected with stationary contact block, described stationary contact block is made up of static contact and the circular arc spherical surface boss being fixed on static contact, described circular arc spherical surface boss has the many strip grooves being arranged in parallel, the outer circumferential walls of described movable contact rod is connected to baffle ring, movable contact rod is cased with return spring, one end of return spring is connected with inner walls, the other end is connected with baffle ring, it is connected to seal washer between described fixed contact pedestal and housing, can be dust-proof, waterproof, the relatively static contact of prior art planar structure, by setting up circular arc spherical surface boss on static contact, circular arc spherical surface boss has the many strip grooves being arranged in parallel, increase the thickness of whole stationary contact block and movable contact spring contact portion, arcing can be prevented effectively from, avoid switch adhesion, protection contact surface, thus ensureing switch stability in use.
Embodiment 2
Referring to Fig. 2 and Fig. 3, a kind of starter relay, including fixed contact pedestal 1, static contact 2, the housing 3 being connected with fixed contact pedestal 1, it is fixed on the coil brace 4 in housing 3, iron core 5, coil 6, movable contact rod 7 and movable contact spring 8, coil 6 solderless wrapped connection is on coil brace 4, movable contact spring 8 is connected in movable contact rod 7, the inner of described static contact 2 is fixedly connected with stationary contact block, described stationary contact block is made up of static contact 9 and the circular arc spherical surface boss 10 being fixed on static contact 9, described circular arc spherical surface boss 10 has the many strip grooves being arranged in parallel 17, the outer circumferential walls of described movable contact rod 7 is connected to baffle ring 11, movable contact rod 7 is cased with return spring 12, one end of return spring 12 is connected with housing 3 inwall, the other end is connected with baffle ring 11, it is connected to seal washer 18 between described fixed contact pedestal 1 and housing 3.
Being provided with the collar 13 in described movable contact rod 7, the end of the collar 13 and movable contact rod 7 is socketed.
The present embodiment is a better embodiment, being provided with the collar in movable contact rod, the end of the collar and movable contact rod is socketed, and makes movable contact rod mobile more steady under the driving of iron core, and then make movable contact spring and stationary contact block better be contacting and separating, ensure switch life-time service stability.
Embodiment 3
Referring to Fig. 2 and Fig. 4, a kind of starter relay, including fixed contact pedestal 1, static contact 2, the housing 3 being connected with fixed contact pedestal 1, it is fixed on the coil brace 4 in housing 3, iron core 5, coil 6, movable contact rod 7 and movable contact spring 8, coil 6 solderless wrapped connection is on coil brace 4, movable contact spring 8 is connected in movable contact rod 7, the inner of described static contact 2 is fixedly connected with stationary contact block, described stationary contact block is made up of static contact 9 and the circular arc spherical surface boss 10 being fixed on static contact 9, described circular arc spherical surface boss 10 has the many strip grooves being arranged in parallel 17, the outer circumferential walls of described movable contact rod 7 is connected to baffle ring 11, movable contact rod 7 is cased with return spring 12, one end of return spring 12 is connected with housing 3 inwall, the other end is connected with baffle ring 11, it is connected to seal washer 18 between described fixed contact pedestal 1 and housing 3.
Being provided with the collar 13 in described movable contact rod 7, the end of the collar 13 and movable contact rod 7 is socketed.
Being cased with insulation spacer 14 in described movable contact rod 7, insulation spacer 14 is between the collar 13 and movable contact spring 8.
The present embodiment is another better embodiment, being cased with insulation spacer in movable contact rod, insulation spacer is between the collar and movable contact spring, and insulation spacer not only has good insulating effect, and be prevented from the collar and produce friction with movable contact spring, extend the service life of movable contact spring.
Embodiment 4
Referring to Fig. 2, Fig. 4 and Fig. 5, a kind of starter relay, including fixed contact pedestal 1, static contact 2, the housing 3 being connected with fixed contact pedestal 1, it is fixed on the coil brace 4 in housing 3, iron core 5, coil 6, movable contact rod 7 and movable contact spring 8, coil 6 solderless wrapped connection is on coil brace 4, movable contact spring 8 is connected in movable contact rod 7, the inner of described static contact 2 is fixedly connected with stationary contact block, described stationary contact block is made up of static contact 9 and the circular arc spherical surface boss 10 being fixed on static contact 9, described circular arc spherical surface boss 10 has the many strip grooves being arranged in parallel 17, the outer circumferential walls of described movable contact rod 7 is connected to baffle ring 11, movable contact rod 7 is cased with return spring 12, one end of return spring 12 is connected with housing 3 inwall, the other end is connected with baffle ring 11, it is connected to seal washer 18 between described fixed contact pedestal 1 and housing 3.
Being provided with the collar 13 in described movable contact rod 7, the end of the collar 13 and movable contact rod 7 is socketed.
Being cased with insulation spacer 14 in described movable contact rod 7, insulation spacer 14 is between the collar 13 and movable contact spring 8.
Having annular groove 15 on described baffle ring 11, the diameter of annular groove 15 is suitable with the diameter of return spring 12.
The present embodiment is another better embodiment, baffle ring has annular groove, the diameter of annular groove is suitable with the diameter of return spring, annular groove is to return spring limited location effect, prevent return spring from sliding, thus ensureing that what movable contact rod can be good under return spring active force stretches out and shrink, and then ensure whole switching stability.
Embodiment 5
Referring to Fig. 2, Fig. 5 and Fig. 6, a kind of starter relay, including fixed contact pedestal 1, static contact 2, the housing 3 being connected with fixed contact pedestal 1, it is fixed on the coil brace 4 in housing 3, iron core 5, coil 6, movable contact rod 7 and movable contact spring 8, coil 6 solderless wrapped connection is on coil brace 4, movable contact spring 8 is connected in movable contact rod 7, the inner of described static contact 2 is fixedly connected with stationary contact block, described stationary contact block is made up of static contact 9 and the circular arc spherical surface boss 10 being fixed on static contact 9, described circular arc spherical surface boss 10 has the many strip grooves being arranged in parallel 17, the outer circumferential walls of described movable contact rod 7 is connected to baffle ring 11, movable contact rod 7 is cased with return spring 12, one end of return spring 12 is connected with housing 3 inwall, the other end is connected with baffle ring 11, it is connected to seal washer 18 between described fixed contact pedestal 1 and housing 3.
Being provided with the collar 13 in described movable contact rod 7, the end of the collar 13 and movable contact rod 7 is socketed.
Being cased with insulation spacer 14 in described movable contact rod 7, insulation spacer 14 is between the collar 13 and movable contact spring 8.
Having annular groove 15 on described baffle ring 11, the diameter of annular groove 15 is suitable with the diameter of return spring 12.
Being provided with screw 16 on described fixed contact pedestal 1, screw 16 and fixed contact pedestal 1 are integrated through injection molding structure.
The present embodiment is another better embodiment, and fixed contact pedestal is provided with screw, and screw and fixed contact pedestal are integrated through injection molding structure, relatively prior art screw and fixed contact pedestal riveted joint, it is possible to when being prevented effectively from top nut, screw turns gets loose, and stability in use is better.
Embodiment 6
Referring to Fig. 2, Fig. 5 and Fig. 7, a kind of starter relay, including fixed contact pedestal 1, static contact 2, the housing 3 being connected with fixed contact pedestal 1, it is fixed on the coil brace 4 in housing 3, iron core 5, coil 6, movable contact rod 7 and movable contact spring 8, coil 6 solderless wrapped connection is on coil brace 4, movable contact spring 8 is connected in movable contact rod 7, the inner of described static contact 2 is fixedly connected with stationary contact block, described stationary contact block is made up of static contact 9 and the circular arc spherical surface boss 10 being fixed on static contact 9, described circular arc spherical surface boss 10 has the many strip grooves being arranged in parallel 17, the outer circumferential walls of described movable contact rod 7 is connected to baffle ring 11, movable contact rod 7 is cased with return spring 12, one end of return spring 12 is connected with housing 3 inwall, the other end is connected with baffle ring 11, it is connected to seal washer 18 between described fixed contact pedestal 1 and housing 3.
Being provided with the collar 13 in described movable contact rod 7, the end of the collar 13 and movable contact rod 7 is socketed.
Being cased with insulation spacer 14 in described movable contact rod 7, insulation spacer 14 is between the collar 13 and movable contact spring 8.
Having annular groove 15 on described baffle ring 11, the diameter of annular groove 15 is suitable with the diameter of return spring 12.
Being provided with screw 16 on described fixed contact pedestal 1, screw 16 and fixed contact pedestal 1 are integrated through injection molding structure.
Being provided with buffer gasket 19 between described coil 6 and housing 3, buffer gasket 19 is connected on the inwall of housing 3.
The present embodiment is preferred forms, the inner of static contact is fixedly connected with stationary contact block, described stationary contact block is made up of static contact and the circular arc spherical surface boss being fixed on static contact, described circular arc spherical surface boss has the many strip grooves being arranged in parallel, the outer circumferential walls of described movable contact rod is connected to baffle ring, movable contact rod is cased with return spring, one end of return spring is connected with inner walls, the other end is connected with baffle ring, it is connected to seal washer between described fixed contact pedestal and housing, can be dust-proof, waterproof, the relatively static contact of prior art planar structure, by setting up circular arc spherical surface boss on static contact, circular arc spherical surface boss has the many strip grooves being arranged in parallel, increase the thickness of whole stationary contact block and movable contact spring contact portion, arcing can be prevented effectively from, avoid switch adhesion, protection contact surface, thus ensureing switch stability in use. being provided with buffer gasket between coil and housing, buffer gasket is connected in inner walls, it is possible to reduce vibrations when switch uses, coil caused, it is prevented that coil loosens.
Claims (6)
1. a starter relay, including fixed contact pedestal (1), static contact (2), the housing (3) being connected with fixed contact pedestal (1), it is fixed on the coil brace (4) in housing (3), iron core (5), coil (6), movable contact rod (7) and movable contact spring (8), coil (6) solderless wrapped connection is on coil brace (4), movable contact spring (8) is connected in movable contact rod (7), it is characterized in that: the inner of described static contact (2) is fixedly connected with stationary contact block, described stationary contact block is made up of static contact (9) and the circular arc spherical surface boss (10) being fixed on static contact (9), described circular arc spherical surface boss (10) has the many strip grooves being arranged in parallel (17), the outer circumferential walls of described movable contact rod (7) is connected to baffle ring (11), movable contact rod (7) is cased with return spring (12), one end of return spring (12) is connected with housing (3) inwall, the other end is connected with baffle ring (11), seal washer (18) it is connected between described fixed contact pedestal (1) and housing (3).
2. a kind of starter relay according to claim 1, it is characterised in that: being provided with the collar (13) in described movable contact rod (7), the end of the collar (13) and movable contact rod (7) is socketed.
3. a kind of starter relay according to claim 2, it is characterised in that: being cased with insulation spacer (14) in described movable contact rod (7), insulation spacer (14) is positioned between the collar (13) and movable contact spring (8).
4. a kind of starter relay according to claim 3, it is characterised in that: having annular groove (15) on described baffle ring (11), the diameter of annular groove (15) is suitable with the diameter of return spring (12).
5. a kind of starter relay according to claim 4, it is characterised in that: being provided with screw (16) on described fixed contact pedestal (1), screw (16) and fixed contact pedestal (1) they are integrated through injection molding structure.
6. a kind of starter relay according to claim 1 or 5, it is characterised in that: being provided with buffer gasket (19) between described coil (6) and housing (3), buffer gasket (19) is connected on the inwall of housing (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520990460.3U CN205303355U (en) | 2015-12-03 | 2015-12-03 | Electromagnetic switch of starter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520990460.3U CN205303355U (en) | 2015-12-03 | 2015-12-03 | Electromagnetic switch of starter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205303355U true CN205303355U (en) | 2016-06-08 |
Family
ID=56436701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520990460.3U Expired - Fee Related CN205303355U (en) | 2015-12-03 | 2015-12-03 | Electromagnetic switch of starter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205303355U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106409615A (en) * | 2016-11-01 | 2017-02-15 | 太仓美宅姬娱乐传媒有限公司 | Electromagnetic switch |
| CN108993715A (en) * | 2018-07-02 | 2018-12-14 | 安徽省建辉生物质能发展有限公司 | A kind of refuse derived fuel grinding device for rural area Biomass Gasification & Power Generation |
-
2015
- 2015-12-03 CN CN201520990460.3U patent/CN205303355U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106409615A (en) * | 2016-11-01 | 2017-02-15 | 太仓美宅姬娱乐传媒有限公司 | Electromagnetic switch |
| CN106409615B (en) * | 2016-11-01 | 2018-08-03 | 太仓美宅姬娱乐传媒有限公司 | A kind of electromagnetic switch |
| CN108993715A (en) * | 2018-07-02 | 2018-12-14 | 安徽省建辉生物质能发展有限公司 | A kind of refuse derived fuel grinding device for rural area Biomass Gasification & Power Generation |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 Termination date: 20191203 |