CN101694822B - Solenoid switch - Google Patents
Solenoid switch Download PDFInfo
- Publication number
- CN101694822B CN101694822B CN2009102068652A CN200910206865A CN101694822B CN 101694822 B CN101694822 B CN 101694822B CN 2009102068652 A CN2009102068652 A CN 2009102068652A CN 200910206865 A CN200910206865 A CN 200910206865A CN 101694822 B CN101694822 B CN 101694822B
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- China
- Prior art keywords
- end cap
- sealing ring
- shell
- electromagnetic switch
- edge
- Prior art date
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- 238000007789 sealing Methods 0.000 claims abstract description 50
- 229920000459 Nitrile rubber Polymers 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 claims description 4
- 230000007306 turnover Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 abstract description 2
- 230000037431 insertion Effects 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 14
- 238000000034 method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000005672 electromagnetic field Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
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- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention provides a solenoid switch, belongs to the technical field of switches, and solves the problem that an effective sealing structure is not available for sealing at the connection part between a cover plate and a shell of the current solenoid switch. The solenoid switch comprises a cannular shell and an end cover with an opening at one end, wherein the shell and the end cover are respectively internally provided with an electromagnet part and a switch part, the opening end of the end cover is inserted into the shell and is provided with a hemline protruding to the outside, the edge of one end of the shell for the insertion of the end cover is folded inwards to form a folded edge and then acts on the hemline, and a seal ring sheathed on the end cover is arranged between the folded edge and the hemline. By arranging the seal ring at the connection part between the shell and the end cover for sealing, the tightness of the solenoid switch is improved.
Description
Technical field
The invention belongs to the switching technique field, relate to a kind of switch that utilizes the variation of electromagnetic field and operate, particularly a kind of electromagnetic switch.
Background technology
Electromagnetic switch is to borrow the mobile a kind of P cock device that carries out work of energising back iron core.General electromagnetic switch all is made up of electromagnet part and switch portion branch; Like the disclosed a kind of electromagnetic switch of Chinese patent (its Granted publication number be CN201252059Y), the coil brace of this electromagnetic switch is contained in the shell after the electromagnet that iron core and coil are formed partly cooperates; Switch sections comprises cover plate; The inner outwards side protrusion of cover plate, the openend of above-mentioned shell inwardly turns down left-hand thread on the protuberance of cover plate, and cover plate and shell are fixed together.
In some field, on automobile starter, the operational environment steam of electromagnetic switch is more, in case the gas tightness of electromagnetic switch is bad, then is prone to make steam to get into electromagnetic switch inside, influences useful life.Can find out that the junction of above-mentioned patent cover plate and shell lacks the effective seal structure and seals.
Summary of the invention
The objective of the invention is to the existing the problems referred to above of existing electromagnetic switch, and proposed a kind of electromagnetic switch that the junction of shell and end cap is effectively sealed.
The object of the invention can be realized through following technical proposal: a kind of electromagnetic switch; Comprise the shell of tubular and the end cap of an end opening; Be respectively equipped with electromagnet portion and switch sections in described shell and the end cap, the openend insertion shell of end cap is interior and have the train of dress of protrusion laterally, and the edge of the end that shell confession end cap inserts inwardly turns down and acts on the above-mentioned train of dress after formation turns edge; It is characterized in that, described turn edge and train of dress between be provided with the sealing ring that is socketed on the end cap.
The edge of shell inwardly turns down and acts on the sealing ring after formation turns edge, and sealing ring receives train of dress and the extruding that turns edge to accomplish seal operation.
In above-mentioned a kind of electromagnetic switch, have between described sealing ring medial surface and the end cap and supply the turned edge preset clearance of extruding back distortion of sealing ring.
Sealing ring turned edge extruding back inwardly the side just the end cap direction be out of shape; Preset clearance between sealing ring medial surface and the end cap can be used for holding behind the sealing ring compressive deformation crushed element to end cap direction protrusion; Prevent the inboard crushed element of sealing ring from end cap and the space between turning edge be extruded, influence the overall aesthetics of electromagnetic switch.
In above-mentioned a kind of electromagnetic switch, described sealing ring medial surface is horn-like, and its big end port is towards the edge that turns edge.When the portlet of sealing ring medial surface touches end cap, also have the gap between its big end port and the end cap, just above-mentioned preset clearance, this preset clearance are positioned at end cap and the gap that turns edge.
In above-mentioned a kind of electromagnetic switch, have the breach of annular on the described sealing ring medial surface.Behind the sealing ring pressurized, the sealing ring of breach both sides part can be crooked to breach, solved the upper end sealing ring when filling breach from end cap and the problem extruded of the space between turning edge.
In above-mentioned a kind of electromagnetic switch, have cannelure on the described end cap.Can be directly after leaving cannelure on the end cap to hold the sealing ring compressive deformation to the crushed element of end cap protrusion, avoid the outwards outstanding influence in sealing ring distortion back attractive in appearance.
In above-mentioned a kind of electromagnetic switch, described turning edge is to adopt turnover technology to make to form.
In above-mentioned a kind of electromagnetic switch, described sealing ring adopts acrylonitrile-butadiene rubber to be made.The acrylonitrile-butadiene rubber oil resistance is fabulous, and resistance to wear is higher, and thermal endurance and lower temperature resistance are better.The inferior characteristic of electrical property is used on the electromagnetic switch also more suitable.
Compared with prior art, this electromagnetic switch is provided with a sealing ring in the junction of shell and end cap and seals, and has improved the sealing of electromagnetic switch, makes it can be applicable to the field that sealing requirements is higher.Simultaneously, between sealing ring and end cap, set up preset clearance, made shell and end cap when being connected and sealed, can seal ring part not extruded, influenced the attractive in appearance of electromagnetic switch the active force of sealing ring.
Description of drawings
Fig. 1 is the structural representation of this electromagnetic switch.
Fig. 2 is the partial enlarged drawing at A place among Fig. 1.
Fig. 3 is the structural representation of sealing ring.
Fig. 4 is the partial enlarged drawing at B place among Fig. 3.
Among the figure, 1, coil brace; 2, iron core; 3, coil; 4, shell; 41, turn edge; 5, end cap; 51, train of dress; 6, packing ring; 7, back-moving spring; 8, fixed contact; 9, movable contact rod; 91, movable contact spring; 10, sealing ring; 11, holder.
Embodiment
Below be specific embodiment of the present invention and combine accompanying drawing, technical scheme of the present invention is done further to describe, but the present invention is not limited to these embodiment.
As shown in Figure 1; This electromagnetic switch comprises the shell 4 of tubular and the end cap 5 of an end opening, is respectively equipped with electromagnet portion and switch sections in shell 4 and the end cap 5, and electromagnet portion comprises a coil brace 1 cylindraceous; Coil brace 1 is fixed on the holder 11; The inside of coil brace 1 is provided with iron core 2, and the outer surface of coil brace 1 is wound with coil 3, is contained in the shell 4 after holder 11, coil brace 1 and iron core 2 cooperate.The end cap 5 of one one end opening is stamped in one of them end of shell 4, also is provided with ring washer 6 between end cap 5 and the holder 11.
Switch sections comprises that two vertical fixing are arranged on the fixed contact 8 on the end cap 5, and each fixed contact 8 passes end cap 5, and fixed contact 8 is inner near an end of coil brace 1, and then the other end is the outer end, and the outer end is connected on the electric line.Be provided with a movable contact rod 9 between end cap 5 and the iron core 2; Movable contact rod 9 is provided with the movable contact spring 91 that can contact with above-mentioned two fixed contacts 8 simultaneously; After passing ring washer 6 and holder 11 extend into coil brace 1 inside, one end of movable contact rod 9 is connected with iron core 2; Also be with a back-moving spring 7 on the movable contact rod 9, the two ends of back-moving spring 7 act on respectively on holder 11 and the iron core 2.
The openend of end cap 5 has the annular train of dress 51 of protrusion laterally; Lean on holder 11 after inserting in the shell 4; And shell 4 supplies the edge of the end that end caps 5 insert inwardly to turn down to form to turn edge 41; Be with a sealing ring 10 that is positioned on the annular train of dress 51 on the end cap 5, turning edge 41 acts on the sealing ring 10 after forming, and leans on train of dress 51 and 41 the extruding of turning edge to accomplish seal operation.In the present embodiment, turning edge 41 is to adopt turnover technology to make to form, and sealing ring 10 adopts acrylonitrile-butadiene rubbers to be made.
As shown in Figure 2; Sealing ring 10 turned edge 41 extruding backs inwardly the side just end cap 5 directions be out of shape; Preset clearance between sealing ring 10 medial surfaces and the end cap 5 can be used for holding behind sealing ring 10 compressive deformations crushed element to end cap 5 directions protrusion; Prevent that the inboard crushed element of sealing ring 10 is extruded from end cap 5 and the space that turns edge between 41, influences the overall aesthetics of electromagnetic switch.
Like Fig. 3 and shown in Figure 4, the medial surface of this sealing ring 10 is horn-like, and its big end up.After sealing ring 10 is socketed on the end cap 5; When the portlet of its bottom contacts with end cap 5 lateral walls; Have the gap between inclined-plane between large port and the portlet and end cap 5 lateral walls, this gap is exactly the turned edge preset clearance of 41 extruding back distortion of above-mentioned confession sealing ring 10.
After coil 3 energisings; The electromagnetic field that produces drives iron core 2 to the motion of end cap 5 directions, and iron core 2 promotes movable contact rod 9 and together advances with iron core 2 with movable contact spring 91 in motion process, contacts with two fixed contacts 8 simultaneously until movable contact spring 91; In this process, back-moving spring 7 is continued compression.By after 91 conductings of movable contact spring, then realize closure between two fixed contacts 8 with fixed contact 8 wire connecting roads.
After coil 3 outages, magnetic field diminishes acts on movable contact rod 9 and also cancels with the active force on the iron core 2 thereupon; The elastic force of back-moving spring 7 acts on the iron core 2; Promote iron core 2 and get back to initial position, movable contact spring 91 and movable contact rod 9 are away from fixed contact 8 simultaneously, and electric line is broken off.
Embodiment two
Other structures are identical with embodiment one, and difference is, has the breach of annular on sealing ring 10 medial surfaces.Behind sealing ring 10 pressurizeds, sealing ring 10 parts of breach both sides can be crooked to breach, solved the problem that upper end sealing ring 10 is extruded from end cap 5 and the space between 41 of turning edge when filling breach.
Embodiment three
Other structures are identical with embodiment one, and difference is, has cannelure on the described end cap 5.Can be directly after leaving cannelure on the end cap 5 to hold sealing ring 10 compressive deformations to the crushed element of end cap 5 protrusions, avoid the outwards outstanding influence in sealing ring 10 distortion backs attractive in appearance.
Specific embodiment described herein only is that the present invention's spirit is illustrated.Person of ordinary skill in the field of the present invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (7)
1. electromagnetic switch; Comprise the shell (4) of tubular and the end cap (5) of an end opening; Be respectively equipped with electromagnet portion and switch sections in described shell (4) and the end cap (5); The openend of end cap (5) inserts in the shell (4) and has the train of dress (51) of protrusion laterally; The edge of the end that shell (4) confession end cap (5) inserts acts on the above-mentioned train of dress (51) after inwardly turning down and forming turn edge (41), it is characterized in that, is provided with the sealing ring (10) that is socketed on the end cap (5) between described turning edge (41) and the train of dress (51).
2. a kind of electromagnetic switch according to claim 1 is characterized in that, has the preset clearance that confession sealing ring (10) is turned edge and is out of shape after (41) are pushed between described sealing ring (10) medial surface and the end cap (5).
3. a kind of electromagnetic switch according to claim 2 is characterized in that, described sealing ring (10) medial surface is horn-like, and its big end port is towards the edge of turn edge (41).
4. according to claim 2 or 3 described a kind of electromagnetic switch, it is characterized in that, have the breach of annular on described sealing ring (10) medial surface.
5. a kind of electromagnetic switch according to claim 2 is characterized in that, described end cap has cannelure on (5).
6. according to claim 1 or 2 or 3 or 5 described a kind of electromagnetic switch, it is characterized in that described turning edge (41) is to adopt turnover technology to make to form.
7. according to claim 1 or 2 or 3 or 5 described a kind of electromagnetic switch, it is characterized in that described sealing ring (10) adopts acrylonitrile-butadiene rubber to be made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102068652A CN101694822B (en) | 2009-10-13 | 2009-10-13 | Solenoid switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102068652A CN101694822B (en) | 2009-10-13 | 2009-10-13 | Solenoid switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101694822A CN101694822A (en) | 2010-04-14 |
| CN101694822B true CN101694822B (en) | 2012-05-02 |
Family
ID=42093781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102068652A Active CN101694822B (en) | 2009-10-13 | 2009-10-13 | Solenoid switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101694822B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102931031B (en) * | 2012-11-12 | 2015-04-08 | 湖州龙润汽车电机有限公司 | Integral type movable iron core structure of electromagnetic switch for novel energy car |
| CN103745885A (en) * | 2014-01-10 | 2014-04-23 | 柳州杰诺瑞汽车电器系统制造有限公司 | Starter electromagnetic switch with waterproof structure |
| CN105609375A (en) * | 2016-03-16 | 2016-05-25 | 上海法雷奥汽车电器系统有限公司 | Electromagnetic switch and starter employing same |
| CN108461352A (en) * | 2018-05-11 | 2018-08-28 | 苏州胜璟电磁科技有限公司 | A kind of electromagnetic switch |
| CN110650389A (en) * | 2019-09-29 | 2020-01-03 | 歌尔股份有限公司 | Sound production device and audio playing equipment |
-
2009
- 2009-10-13 CN CN2009102068652A patent/CN101694822B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN101694822A (en) | 2010-04-14 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: An electromagnetic switch Effective date of registration: 20220113 Granted publication date: 20120502 Pledgee: Agricultural Bank of China Limited by Share Ltd. Yuhuan branch Pledgor: Zhejiang Huanfang Automobile Electric Appliances Co.,Ltd. Registration number: Y2022980000301 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231101 Granted publication date: 20120502 Pledgee: Agricultural Bank of China Limited by Share Ltd. Yuhuan branch Pledgor: Zhejiang Huanfang Automobile Electric Appliances Co.,Ltd. Registration number: Y2022980000301 |