CN105849847A - Magnetic switch, and starter equipped with same - Google Patents
Magnetic switch, and starter equipped with same Download PDFInfo
- Publication number
- CN105849847A CN105849847A CN201480070685.5A CN201480070685A CN105849847A CN 105849847 A CN105849847 A CN 105849847A CN 201480070685 A CN201480070685 A CN 201480070685A CN 105849847 A CN105849847 A CN 105849847A
- Authority
- CN
- China
- Prior art keywords
- plunger
- axle
- magnetic switch
- contact
- holding section
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
- F02N11/087—Details of the switching means in starting circuits, e.g. relays or electronic switches
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
- F02N15/02—Gearing between starting-engines and started engines; Engagement or disengagement thereof
- F02N15/04—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears
- F02N15/06—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the toothed gears being moved by axial displacement
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/16—Rectilinearly-movable armatures
- H01F7/1607—Armatures entering the winding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
- H01H50/18—Movable parts of magnetic circuits, e.g. armature
- H01H50/20—Movable parts of magnetic circuits, e.g. armature movable inside coil and substantially lengthwise with respect to axis thereof; movable coaxially with respect to coil
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/02—Non-polarised relays
- H01H51/04—Non-polarised relays with single armature; with single set of ganged armatures
- H01H51/06—Armature is movable between two limit positions of rest and is moved in one direction due to energisation of an electromagnet and after the electromagnet is de-energised is returned by energy stored during the movement in the first direction, e.g. by using a spring, by using a permanent magnet, by gravity
- H01H51/065—Relays having a pair of normally open contacts rigidly fixed to a magnetic core movable along the axis of a solenoid, e.g. relays for starting automobiles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Push-Button Switches (AREA)
- Electromagnets (AREA)
Abstract
Provided is a highly reliable magnetic switch allowing a contact shaft to be transported stably even if the magnetic switch is reduced in size and weight. The magnetic switch is constituted in such a way that a solenoid is electrified to attract a plunger (6) toward a static iron core (5) against the force of a spring, a contact shaft (12) is operated by the plunger (6) to open and close a contact (9), the contact shaft (12) is slidably supported by a first slide support part (6c) formed in the plunger (6) and a second slide support part (5c) formed in the static iron core (5), and a first engagement part is provided between the first slide support part (6c) and the second slide support part (5c) in order to cause the plunger (6) to engage with the contact shaft (12) so as to cause the contact shaft (12) to advance in the contact-closing direction.
Description
Technical field
The present invention relates to be suitable for the magnetic switch of the starter of internal combustion engine and there is the starter of this magnetic switch
Background technology
As the background technology of the art, there is No. 3235783 publications of Japanese Patent No. (patent documentation 1).?
In this publication, describe " a kind of magnetic switch using contact axle reliably will to separate between each contact is provided ".
Prior art literature
Patent documentation
Patent documentation 1: No. 3235783 publications of Japanese Patent No.
Summary of the invention
The problem that invention is to be solved
In existing composition as described in Patent Document 1, for the miniaturization of magnetic switch, make contact axle little
Footpath, or make material change in the case of, there is following problem.That is, when the attraction of plunger, the inner circumferential bottom surface of plunger is made
Merge the deformation of contact axle when making contact axle shift with contact axle top end face card, inclination becomes big, and its result is, probably contact axle
The resistance to sliding of support can become big and do not slides or cause the breakage of contact axle.
Here, it is an object of the invention to, it is provided that though a kind of in the case of by magnetic switch miniaturization also
Can stably movable contact axle, magnetic switch that reliability is high.
The technological means of solution problem
In order to solve the problems referred to above, use the composition such as recorded in detail in the claims.It is above-mentioned that the application comprises solution
Multiple compositions of problem, if given an example, its by solenoid be energized and with resisting the power of spring by post
Fill in and attract to secured core, be characterised by with opening and closing contact, described magnetic switch with this plunger operation contact axle, described contact
Axle is formed on the 1st sliding supporting part of described plunger and is formed at the 2nd sliding supporting part of described secured core slidably
Supporting, plunger is fastened on described contact axle and for the 1st holding section quilt making described contact axial junction closure direction advance
It is arranged between described 1st sliding supporting part and described 2nd sliding supporting part.
The effect of invention
Even if also being able to stably to move in the case of by magnetic switch miniaturization in accordance with the invention it is possible to provide
Movable contact axle, magnetic switch that reliability is high.
Problem other than the above, composition and effect are apparent from by the explanation of following embodiment.
Accompanying drawing explanation
Fig. 1 is the sectional view of the major part of the starter of the magnetic switch being provided with embodiment.
Fig. 2 is the sectional view of the magnetic switch of embodiment.
Fig. 3 is the sectional view of the attraction action (plunger and the engaging of axle ring) of the magnetic switch representing Fig. 2.
Fig. 4 is the sectional view of the attraction action (travelling contact and fixed contact engage) of the magnetic switch representing Fig. 2.
Fig. 5 is the sectional view of the opening operation of the magnetic switch representing Fig. 2.
Detailed description of the invention
Hereinafter, accompanying drawing explanation embodiments of the invention are used.
Fig. 1 is the sectional view of the starter major part of the embodiment representing the magnetic switch being provided with the present invention.
Fig. 2 is the sectional view of the magnetic switch representing one embodiment of the present of invention.Referring concurrently to Fig. 1, Fig. 2, the magnetic to the present embodiment
Property switch composition illustrate.
In FIG, starter is made up of starter main body 1 and magnetic switch 2.Further, in fig. 2, magnetic switch 2 by
Being formed with lower component: magnet exciting coil 3, it produces magnetomotive force by energising；Coil case 4, axle sleeve 5, it accepts magnetomotive force and is formed
Magnetic circuit and become secured core；Electromagnetic coil portion, it becomes movable core and is made up of plunger 6；Bite, it is at solenoid
Utilize plunger 6 to the action of axle sleeve 5 side attraction movement to make gear lever 7 move during action, and make to engage with gear lever 7 lower end 7a
Little gear 8 speed change；And contact portion, it makes travelling contact 9 move and engages with fixed contact 10 when plunger 6 moves, entering
Row energising between fixed contact 10.Now in plunger 6, arrange and make when being incorporated in plunger 6 mobile with gear lever 7 card
The plunger axis 11 that gear lever 7 moves, and contact axle 12.
Contact axle 12, after plunger 6 moves the stroke of regulation, keeps engaging with plunger 6 and moving pushing travelling contact 9
Axle ring 13.Contact axle 12 is supported slidably by the radially inner circumference face 6c (the 1st sliding supporting part) of plunger 6, it addition, by axle ring
13 are supported slidably by the radially inner circumference face 5c (the 2nd sliding supporting part) of axle sleeve 5.It addition, contact axle 12 has for logical
After being electrically turn off (OFF), plunger 6 is returned initial position, make C back-moving spring 14 He that travelling contact 9 separates from fixed contact 10
Plunger return spring 15.
Use Fig. 3, the action during attraction of magnetic switch 2 is illustrated.By key switch (not shown) is opened
(ON) being energized to magnet exciting coil 3, plunger 6 is attracted to the axial side (junction closure direction) shown in arrow, the footpath of plunger 6
To the axial end portion 6a of inner peripheral surface 6c and the outer radial periphery face of axle ring 13 that is maintained on the contact axle 12 with travelling contact 9
The axial end portion 13a engaging of 13c.
Fig. 4 is the action diagram of the state that plunger 6 is attracted further, travelling contact 9 engages with fixed contact 10.With
The axle ring 13 that action shown in Fig. 3 has engaged with plunger 6 makes travelling contact 9 move and connect by C stretching spring 16, insulation board 17
It is combined in fixed contact 10.After joint, entered to the fixed contact 10 of motor-side from the fixed contact 10 of battery side by travelling contact 9
Row energising, makes motor (not shown) rotate.
Here, be configured in the present embodiment, axle ring 13 is set, makes to merge with plunger 6 card to push the face of contact axle 12 not
For contact axle 12 top end face 12a but compared to the top end face 12a of contact axle 12 closer to travelling contact 9 side.By allowing plunger
6 and the clamped position of contact axle 12 near travelling contact 9, as shown in Figure 4, by face and pressure surface across footpath from relative to contact axle 12
Top end face 12a portion: L1 is as short as the axial end portion 13a portion of the outer radial periphery face 13c of axle ring 13: L2, the deformation of contact axle 12, inclines
Tiltedly reduce with the ratio of L2 ÷ L1.
Use Fig. 5 explanation to close after (OFF) at key switch, separate state dynamic of travelling contact 10 from fixed contact 9
Make.After key switch closes (OFF), the captivation of plunger 6 disappears, and plunger 6 will be to arrow institute because of plunger return spring 15
The axial opposite side (the open direction of contact) shown returns.Plunger 6 after having carried out ormal weight stroke, the top shaft shoulder of contact axle 12
The axial end portion 6b engaging of the inner peripheral surface 6c of portion 12b and plunger 6, except separating the C reset bullet of travelling contact 9 from fixed contact 10
Outside the resilience force of spring 14, also apply the resilience force of plunger return spring 15 and separate.Here, the axle of the inner peripheral surface 6c of plunger 6
The axial opposite side of axial end portion 6a it is positioned to end 6b.After fixed contact 10 separates travelling contact 9, just become Fig. 2 institute
The state of the initial position shown.
By constituting as above, even if magnetic switch 2 miniaturization to be made the load reduction of C back-moving spring 14,
It also is able to increase the load of plunger return spring 15 and assist, it can be ensured that after key switch closes (OFF), from fixing
Contact 10 separates reliability during travelling contact 9.
It addition, contact axle 12, axle ring 13 are by nonmagnetic material, especially resin formation.
It addition, by integrally formed to contact axle 12 and axle ring 13, assemble at the top end shaft shoulder 12b of contact axle 12 and keep other
Component, it is also possible to obtain the effect identical with above-mentioned composition.
Above composition can also be expressed as.
1) holding section (the axial end portion 6a of the radially inner circumference face 6c of plunger 6 and the axle ring during closed action of travelling contact 9
The axial end portion 13a portion of the outer radial periphery face 13c of 13) and holding section during the opening operation of travelling contact 9 (contact axle 12
The axial end portion 6b of the inner peripheral surface 6c of top end shaft shoulder 12b and plunger 6) the two holding section is arranged on plunger 6 and contact axle
Between 12.
2) holding section during closed action of travelling contact 9 is engaged by pushing and is formed, the opening operation of travelling contact 9
Time holding section engaged by hook and formed.
3) distance between two holding sections is shorter than the stroke of plunger.
4) holding section that pushes during travelling contact 9 closed action is formed from the end of foreign side's protuberance of contact axle 12 periphery
The inner side of face (the axial end portion 13a portion of the outer radial periphery face 13c of such as axle ring 13) and plunger 6 highlights the end face (example of minor diameter part
The axial end portion 6a of radially inner circumference face 6c such as plunger 6) constitute.
5) hook holding section during travelling contact breakdown action is highlighted by the foreign side of the end, contact opposition side being arranged at axle
The end face in portion and be arranged at the inner side of plunger in the position with this opposite and highlight the end face of minor diameter part and constitute.
6) push between axle support (axle sleeve 5) and the hook holding section that holding section is positioned at secured core.
Such as above explanation, according to the present invention, by junction closure action from the substantial middle or movable of contact axle
The propulsive force being applied around contact axle of contact, it is possible to prevent flexural deformation or the inclination caused by the compression of contact axle, it is thus achieved that
The shift action that contact axle is stable.
Further, by arranging axle ring in the periphery of contact axle and as the snap-latch surface with plunger, it is possible to make contact axle
Propulsive force apply position further towards travelling contact, and due to the radial support point away from contact axle, therefore, it is possible to eliminate
Supporting-point is in the compression of the contact axle of sliding position, it is achieved the shift action that contact axle is more stable.
It addition, the present invention is not limited in the above embodiments, it is each that the present invention also comprises without departing from present subject matter
Plant variation.Such as, the above embodiments are, in order to easy to understand, the present invention this and the detailed description that carries out, the present invention are described
It is not limited to the whole compositions that must include illustrating.It addition, a part for the composition for embodiment, it is possible to carry out other
Constitute adds, eliminates, replaces.
Symbol description
1 starter main body
2 magnetic switch
3 magnet exciting coils
4 coil cases
5 axle sleeves
6 plungers
6a radially inner circumference face
6b inner peripheral surface
7 gear levers
7a lower end
8 little gears
9 travelling contacts
10 fixed contacts
11 plunger axis
12 contact axles
12a top end face
12b top end shaft shoulder
13 axle rings
14 C back-moving springs
15 plunger return springs
16 C stretch spring
17 insulation boards.
Claims (14)
1. a magnetic switch, it by attracting plunger to secured core to solenoid energising with resisting the power of spring,
It is characterised by with opening and closing contact, described magnetic switch with this plunger operation contact axle,
Described contact axle is formed on the 1st sliding supporting part of described plunger and is formed at the 2nd slip of described secured core
Bearing portion supports slidably,
Plunger is fastened on described contact axle and the 1st holding section for making described contact axial junction closure direction advance is set
Put between described 1st sliding supporting part and described 2nd sliding supporting part.
2. magnetic switch as claimed in claim 1, it is characterised in that described magnetic switch is constituted as follows:
Being disconnected to the energising of described solenoid, described plunger is when returning to initial position due to the power of described spring,
After having carried out ormal weight stroke, it is arranged on the 2nd holding section and the engaging of plunger inside diameter of contact shaft end.
3. magnetic switch as claimed in claim 1, it is characterised in that
Described 1st holding section is formed by the axle ring being entrenched in described contact axle.
4. a magnetic switch, after it is energized at coil, the power of plunger opposing spring carried out the stroke of ormal weight, described post
Plug merges with axle card makes this axial junction closure position move, and described magnetic switch is characterised by,
1st holding section of described plunger and described axle is formed near secured core in the axial centre position of described axle.
5. magnetic switch as claimed in claim 4, it is characterised in that
Described magnetic switch has the 2nd holding section, and described 2nd holding section returns to because of spring at described coil blackout, plunger
During initial position, after described plunger has carried out ormal weight stroke, described plunger and described axle with the 1st holding section rightabout
Fastening state and engage.
6. a magnetic switch, it has:
Solenoid, and
The plunger driven by described solenoid,
Described magnetic switch is characterised by,
Including the 1st axle can be set in the way of sliding with described plunger and the 2nd axle,
The holding section of engaging when described plunger and the 2nd axle are included in plunger stroke.
7. magnetic switch as claimed in claim 6, it is characterised in that
Described 2nd axle drives travelling contact.
8. magnetic switch as claimed in claim 6, it is characterised in that
Described plunger includes:
The 1st holding section engaged with described 1st axle, and
The 2nd holding section engaged with described 2nd axle.
9. magnetic switch as claimed in claim 8, it is characterised in that
Described plunger possesses the reduction torsion spring pushing described 1st axle.
10. magnetic switch as claimed in claim 8, it is characterised in that
Described plunger has peristome in axial both ends of the surface,
Described 1st axle highlights from the described peristome of axial side,
Described 2nd axle highlights from the described peristome of axial opposite side.
11. magnetic switch as claimed in claim 8, it is characterised in that
Described 2nd holding section has holding section at two corresponding to the stroke direction of described plunger.
12. 1 kinds of magnetic switch, it by attracting plunger to secured core to solenoid energising with resisting the power of spring,
It is characterised by with opening and closing contact, described magnetic switch with this plunger operation contact axle,
Make the axial length after described contact axle and plunger combination variable,
Be there is the plunger return spring that axial for described contact contact opening direction can be moved by described plunger,
There is the holding section engaged with described contact axle at described plunger radial inner peripheral surface.
13. magnetic switch as claimed in claim 12, it is characterised in that
In the axial dimension of described plunger return spring, described holding section is positioned at the internal side diameter of this plunger return spring.
14. 1 kinds of starters, it is characterised in that
There is the magnetic switch described in any one in claim 1-13.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013266302 | 2013-12-25 | ||
| JP2013-266302 | 2013-12-25 | ||
| PCT/JP2014/079908 WO2015098327A1 (en) | 2013-12-25 | 2014-11-12 | Magnetic switch, and starter equipped with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105849847A true CN105849847A (en) | 2016-08-10 |
| CN105849847B CN105849847B (en) | 2018-11-27 |
Family
ID=53478204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480070685.5A Active CN105849847B (en) | 2013-12-25 | 2014-11-12 | Magnetic switch and starter with the magnetic switch |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6259836B2 (en) |
| CN (1) | CN105849847B (en) |
| WO (1) | WO2015098327A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6423962B2 (en) * | 2015-06-26 | 2018-11-14 | 日立オートモティブシステムズ株式会社 | Electromagnetic switch and engine starting device |
| WO2017179100A1 (en) * | 2016-04-11 | 2017-10-19 | 三菱電機株式会社 | Solenoid actuator |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5519370A (en) * | 1991-03-28 | 1996-05-21 | Kilovac Corporation | Sealed relay device |
| JPH10311270A (en) * | 1997-05-13 | 1998-11-24 | Hitachi Ltd | Magnet switch for starter |
| JP2004270511A (en) * | 2003-03-07 | 2004-09-30 | Hitachi Ltd | Magnet switch for starter |
| CN1819093A (en) * | 2004-11-08 | 2006-08-16 | 株式会社电装 | Structure de commutateur electromagnetique amelioree destinee a un demarreur. |
| CN201112200Y (en) * | 2007-08-08 | 2008-09-10 | 中山市南朗镇创建电子元件厂 | Push-button switch |
| CN102097256A (en) * | 2009-12-11 | 2011-06-15 | 株式会社电装 | Electromagnetic switch with enhanced stability in operation |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2663909B1 (en) * | 1990-06-27 | 1994-01-28 | Valois | DEVICE FOR CONTAINING A LIQUID OR PASTY PRODUCT TO BE DISPENSED WITHOUT AIR INTAKE, AND ITS MANUFACTURING METHOD. |
| WO1992017897A1 (en) * | 1991-03-28 | 1992-10-15 | Kilovac Corporation | Dc vacuum relay device |
| JPH0577844U (en) * | 1992-03-25 | 1993-10-22 | いすゞ自動車株式会社 | magnetic switch |
| IT1301872B1 (en) * | 1998-07-24 | 2000-07-07 | Abb Adda S P A | COMMAND AND CONTROL DEVICE FOR HIGH AND MEDIUM VOLTAGE SWITCHES |
-
2014
- 2014-11-12 CN CN201480070685.5A patent/CN105849847B/en active Active
- 2014-11-12 WO PCT/JP2014/079908 patent/WO2015098327A1/en active Application Filing
- 2014-11-12 JP JP2015554664A patent/JP6259836B2/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5519370A (en) * | 1991-03-28 | 1996-05-21 | Kilovac Corporation | Sealed relay device |
| JPH10311270A (en) * | 1997-05-13 | 1998-11-24 | Hitachi Ltd | Magnet switch for starter |
| JP2004270511A (en) * | 2003-03-07 | 2004-09-30 | Hitachi Ltd | Magnet switch for starter |
| CN1819093A (en) * | 2004-11-08 | 2006-08-16 | 株式会社电装 | Structure de commutateur electromagnetique amelioree destinee a un demarreur. |
| CN201112200Y (en) * | 2007-08-08 | 2008-09-10 | 中山市南朗镇创建电子元件厂 | Push-button switch |
| CN102097256A (en) * | 2009-12-11 | 2011-06-15 | 株式会社电装 | Electromagnetic switch with enhanced stability in operation |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015098327A1 (en) | 2015-07-02 |
| JP6259836B2 (en) | 2018-01-10 |
| JPWO2015098327A1 (en) | 2017-03-23 |
| CN105849847B (en) | 2018-11-27 |
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Ibaraki Patentee after: Hitachi astemo Co.,Ltd. Address before: Ibaraki Patentee before: HITACHI AUTOMOTIVE SYSTEMS, Ltd. |
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