CN202650993U - Contact device and electromagnetic opening and closing apparatus using the contact device - Google Patents
Contact device and electromagnetic opening and closing apparatus using the contact device Download PDFInfo
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- CN202650993U CN202650993U CN 201220081391 CN201220081391U CN202650993U CN 202650993 U CN202650993 U CN 202650993U CN 201220081391 CN201220081391 CN 201220081391 CN 201220081391 U CN201220081391 U CN 201220081391U CN 202650993 U CN202650993 U CN 202650993U
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Abstract
The utility model provides a contact device and an electromagnetic opening and closing apparatus using the contact device. The contact device possesses fixed contacts, movable contacts, a moving part and a contact pressing spring, wherein the fixed contacts and the movable contacts are mutually contacted/separated; the movable contacts are arranged on the moving part; the contact pressing spring exerts a force on the moving part so that the moving part is close to the each fixed contact; the contact pressing spring is bended freely along a contact/separation direction of the each fixed contact and the each movable contact; one end portion of the contact pressing spring along a bending direction is fixed on the moving part.
Description
Technical field
The electromagnetism opening and closing device that the utility model relates to contact arrangement and uses this contact arrangement.
Background technology
For example there was patent documentation 1 disclosed electromagnetic relay in the known electromagnetic relay that has pair circuit to open and close in the past.The electromagnetic relay that this patent documentation 1 is put down in writing possesses: coil, this coil produce electromagnetic force when energising; Movable part, this movable part is driven by the electromagnetic force of coil; The first fixed contact holding member, this first fixed contact holding member has the first fixed contact; And the second fixed contact holding member, this second fixed contact holding member has the second fixed contact and the 3rd fixed contact.Movable part is made of moving core, axle and insulator.And this electromagnetic relay possesses: movable part, this movable part have with each fixed contact the first movable contact, the second movable contact and the 3rd movable contact that contacts/separate; Pressing spring press in contact, this contact press pressing spring towards the direction of fixed contact and movable contact butt to the movable part application of force; And back-moving spring, the direction that this back-moving spring separates with movable contact towards fixed contact is to the movable part application of force.
And then this electromagnetic relay constitutes, when moving core etc. is driven by the electromagnetic force of coil, and fixed contact and movable contact butt, and movable part separates with movable part.Herein, when moving core etc. is driven by electromagnetic force, form at the contact site of the contact site of the first fixed contact and the first movable contact, the second fixed contact and the second movable contact and the 3rd fixed contact at 3 with the contact site of the 3rd movable contact and contact.The swing of the movable part in the time of therefore, can preventing 3 movable contacts and 3 fixed contact collisions.
［ patent documentation 1 ］ TOHKEMY 2010-257923 communique
Yet, in above-mentioned conventional example, to be provided with guiding piece from the outstanding shape of the resinous inner walls of electromagnetic relay, this guiding piece guides movable part along the contact/detaching direction of contact, so that movable part can the direction beyond the contact/detaching direction of contact not move.But there are the following problems: guiding piece weares and teares because of the friction between resinous guiding piece and the metal movable part, might cause loose contact between the contact because this break flour that weares and teares is attached to contact.And also there are the following problems: because of the friction movable part hooking between above-mentioned guiding piece and the movable part in guiding piece, might cause moving bad.That is, the friction because of between movable part and other parts can produce the problems referred to above.
The utility model content
The utility model is put in view of the above problems and is finished, its purpose is the electromagnetism shutter that a kind of contact arrangement is provided and uses this contact arrangement, can take in sail friction between part and other parts, and can move towards the direction beyond the contact/detaching direction of contact by restraint spare.
In order to solve above-mentioned problem, contact arrangement possesses: pressing spring is pressed in fixed contact, movable contact, movable part and contact.Fixed contact and movable contact constitute and contact with each other/separate.Movable contact is arranged at movable part.Contact constitutes by pressing spring: court makes this movable part near the direction application of force of fixed contact to movable part.Movable part is defined as contact/detaching direction near the direction of fixed contact.Contact constitutes along the contacting of fixed contact and movable contact/the detaching direction deflection freely by pressing spring.The direction that contacts by the pressing spring deflection is defined as the deflection direction.Constitute: contact is limited by movable part by the change in location of the end on the deflection direction of pressing spring.
From another point of view, it is characterized in that, contact arrangement possesses: the fixed contact that contacts with each other/separate and movable contact; Movable part, above-mentioned movable contact is arranged at this movable part; And pressing spring is pressed in contact, this contact by pressing spring to above-mentioned movable part towards making above-mentioned movable part near the direction application of force of above-mentioned fixed contact, above-mentioned contact is pressed pressing spring along the contacting of above-mentioned fixed contact and movable contact/detaching direction deflection freely, and above-mentioned contact is fixed in above-mentioned movable part by the end on the deflection direction of pressing spring.
Preferably, in above-mentioned contact arrangement, be provided with restriction at above-mentioned movable part and use recess, this restriction usefulness recess is with above-mentioned to contact the end on above-mentioned deflection direction of pressing pressing spring chimeric.
Preferably, in above-mentioned contact arrangement, be provided with restriction at above-mentioned movable part and use protuberance, this restriction usefulness protuberance is with above-mentioned to contact the end on above-mentioned deflection direction of pressing pressing spring chimeric.
Preferably, in above-mentioned contact arrangement, above-mentioned contact is made of helical spring by pressing spring, presses inboard or the restricted guiding piece of using of arranged outside of pressing spring in above-mentioned contact, and this restriction limits above-mentioned contact by the movement diametrically of pressing spring with guiding piece.
Preferably, in above-mentioned contact arrangement, above-mentioned contact is made of leaf spring by pressing spring.
Preferably, in above-mentioned contact arrangement, be provided with the magnetic that is consisted of by magnetic material at above-mentioned movable part.
Preferably, in above-mentioned contact arrangement, above-mentioned magnetic is arranged at the one side by above-mentioned fixed contact side of above-mentioned movable part.
Electromagnetism opening and closing device of the present utility model is characterised in that, this electromagnetism opening and closing device possesses: above-mentioned arbitrarily contact arrangement; And driver element, this driver element drives the above-mentioned movable part of this contact arrangement, thereby makes above-mentioned each movable contact contact/separate with above-mentioned each fixed contact.
And preferably, driver element is electromagnet apparatus.
And preferably, electromagnet apparatus has moving core.Follow therewith, moving core constitutes can be in primary importance, and be different between the second place of primary importance mobile.Moving core constitutes: when the time spent of doing that is subject to magnetic field, this moving core moves towards above-mentioned primary importance from said second position.When moving core moved from the second place towards primary importance, movable part moved, so that above-mentioned movable contact moves towards the direction near above-mentioned fixed contact.
And preferably, electromagnet apparatus has excitation winding.Above-mentioned excitation winding constitutes: when being subject to the supply of electric current, this excitation winding produces above-mentioned magnetic field.
Movable part has the maintenance face that keeps above-mentioned movable contact.Preferably, follow therewith, maintenance face is opposed with above-mentioned electromagnet apparatus.
Preferably, fixed contact and above-mentioned maintenance are in the face of putting.
Preferably, electromagnet apparatus has fixed iron core.Fixed iron core configures across above-mentioned moving core is relative with above-mentioned movable part.Above-mentioned moving core constitutes: when the time spent of doing that is subject to magnetic field, above-mentioned moving core moves towards above-mentioned fixed iron core, and thus, above-mentioned moving core moves towards above-mentioned primary importance from said second position.
Preferably, the distance between primary importance and the fixed iron core is greater than the distance between the second place and the fixed iron core.
The utility model plays following effect: the friction between part and other parts of can taking in sail, and can move towards the direction beyond the contact/detaching direction of contact by restraint spare.
Description of drawings
Fig. 1 is the cutaway view that the execution mode 1 of the related contact arrangement of the utility model is shown.
Fig. 2 is the stereogram of movable part of the execution mode 1 of the related contact arrangement of the utility model.
Fig. 3 is the stereogram that other structure of above-mentioned contact arrangement is shown.
Fig. 4 is the stereogram that other structure of above-mentioned contact arrangement is shown.
Fig. 5 is the stereogram that other structure of above-mentioned contact arrangement is shown.
Fig. 6 is the cutaway view that is illustrated in the above-mentioned contact arrangement situation that contact is made of leaf spring by pressing spring.
Fig. 7 is the cutaway view that is illustrated in the above-mentioned contact arrangement situation that contact is made of leaf spring by pressing spring.
Fig. 8 is illustrated in the cutaway view that is provided with the situation of magnetic sheet in the above-mentioned contact arrangement.
Fig. 9 is the cutaway view that the execution mode of the related electromagnetism opening and closing device of the utility model is shown.
Figure 10 is the figure that the movable part of above-mentioned electromagnetism opening and closing device is shown.
Figure 11 is the figure that each fixed terminal of above-mentioned electromagnetism opening and closing device is shown.
Label declaration:
1 ... contact arrangement; 10 ... the first fixed terminal; 11 ... the second fixed terminal; 10A～10C ... fixed contact; 12 ... movable part; 120 ... the restriction recess; 12A～12C ... movable contact; 2 ... electromagnet apparatus (driver element).
Embodiment
Below, utilize accompanying drawing that the execution mode of the related contact arrangement of the utility model is described.Wherein, in the following description, will be defined as up and down above-below direction among Fig. 1, with paper nearby side mark be decided to be the place ahead to, with the paper inboard be defined as the rear to.As shown in Figure 1, the contact arrangement 1 of present embodiment possesses: the first fixed terminal 10, this first fixed terminal 10 have the first fixed contact 10A and the second fixed contact 10B; And second fixed terminal 11, this second fixed terminal 11 has the 3rd fixed contact 10C.And present embodiment possesses: movable part 12, this movable part 12 have respectively the movable contact 12A～12C that contacts/separate with each fixed contact 10A～10C; And contact press pressing spring 13, and this contact makes it the direction application of force that contacts with each fixed contact 10A～10C by 13 pairs of movable parts of pressing spring, 12 courts.Contact arrangement 1 is incorporated in the housing 3 of hollow box shape.In addition, for the concrete structure of housing 3, in the execution mode of electromagnetism opening and closing device described later, describe.
Each fixed terminal 10,11 forms rectangular plate-like by the metal material with conductivity.At the upper surface of the first fixed terminal 10, be fixed with the first fixed contact 10A and the second fixed contact 10B that is formed by the metal material with conductivity along fore-and-aft direction in the mode of spaced-apart certain intervals.And, at the upper surface of the second fixed terminal 11, be fixed with the 3rd fixed contact 10C that is formed by the metal material with conductivity equally.
And, as shown in Figure 1, 2, be provided with towards the restriction of the cross section oval in shape of lower recess with recess 120 at the upper surface of movable part 12.This restriction is arranged to recess 120: the diameter dimension of its minor axis is with to contact the diameter dimension of pressing pressing spring 13 roughly the same.
Contact press pressing spring 13 by in above-below direction (contact/detaching direction of contact) deflection helical spring formation freely, and the restriction of its bottom and movable part 12 is chimeric and be fixed with recess 120.In other words, thus contact move with recess 120 chimeric its by the restriction of the bottom of pressing spring 13 and movable part 12 and be limited.And, the upper surface butt of the space that upper end and contact arrangement 1 are contained (being the inside of housing 3 herein).Therefore, play a role by the active force of pressing spring 13 by contact, movable part 12 is by towards direction (below) application of force near each fixed contact 10A～10C.
Below, the action of present embodiment is described.Wherein, in the following description, utilize not shown driver element along the vertical direction movable part 12 to be driven.As this driver element, for example adopt the electromagnet apparatus 2 in the execution mode of electromagnetism opening and closing device described later.
When disconnecting between the contact, because the position drived unit of movable part 12 is fixed, therefore as shown in Figure 1, movable part 12 is limited towards the displacement of below.Next, when remove driver element to movable part 12 towards the restriction of the displacement of below the time, movable part 12 press the active force of pressing spring 13 by contact and (towards the direction of each fixed contact 10A～10C) is shifted towards the below.And then, thereby closed between each movable contact 12A～12C and each fixed contact 10A～10C butt contact.And then when utilizing driver element to overcome contact by the active force of pressing spring 13 movable part 12 to be shifted towards the top, movable part 12 turns back to initial position.Thus, thus each movable contact 12A～12C separates between the contact from each fixed contact 10A～10C and disconnects.
Herein, in the present embodiment, as mentioned above, deflection contact is freely pressed the movement of an end of pressing spring 13 by movable part 12 restriction on the contact/detaching direction of contact.In other words, in the present embodiment, deflection contact freely is fixed in movable part 12 by an end of pressing spring 13 on the contact/detaching direction of contact.Therefore, be restricted to contact by the deflection direction of pressing spring 13 with the moving direction that contacts the movable part 12 that links by pressing spring 13.Therefore, in the present embodiment, owing to need not as conventional example, to arrange the guiding piece that movable part 12 is guided along the contact/detaching direction of contact, the situation that does not therefore exist movable part 12 and guiding piece to rub.
As mentioned above, in the present embodiment, the friction between part 12 and other parts of can taking in sail, and can move towards the direction beyond the contact/detaching direction of contact by restraint spare 12.Especially, have in the prior embodiment the worry that produces the wearing and tearing break flour because of metal movable part and resinous guiding piece friction, but in the present embodiment, metal movable part 12 can not contact with resinous other parts.Therefore, do not exist because movable part 12 and miscellaneous part friction produce the such situation of wearing and tearing break flour, can avoid causing the such problem of loose contact between the contact because the wearing and tearing break flour is attached to contact.And, do not exist because of the friction between movable part 12 and other parts so that the movable part hooking in the situation at other position, thereby can avoid causing the action bad such problem.
In addition, in the present embodiment, by making contact chimeric and will contact by the bottom of pressing spring 13 and be fixed in movable part 12 with recess 120 by the bottom of pressing spring 13 and restriction, still also can utilize other structure will contact by the bottom of pressing spring 13 and be fixed in movable part 12.For example, as shown in Figure 3, can replace restriction recess 120 with protuberance 121 in the upper surface setting restriction of outstanding cross section oval in shape up of movable part 12.The diameter dimension of its minor axis is arranged in this restriction with protuberance 121 roughly the same with the diameter dimension that contacts by pressing spring 13.In this structure, chimeric with protuberance 121 with restriction by the bottom of pressing spring 13 by making contact, contact can be fixed in movable part 12 by the bottom of pressing spring 13.
And, as shown in Figure 4, can the upper surface setting of movable part 12 up the protuberance 122 of 3 outstanding rectangular shapes in cross section replace restriction with recess 120.These protuberances 122 separate the certain intervals setting along the Zhou Fangxiang that contacts by pressing spring 13.In this structure, by making contact chimeric by bottom and each protuberance 122 of pressing spring 13, contact can be fixed in movable part 12 by the bottom of pressing spring 13.In addition, protuberance 122 is not limited to 3, so long as a plurality of getting final product.
In addition, as shown in Figure 5, the restriction that the upper surface that is fixed in housing 3 inside and the cylindrical shape of giving prominence to towards the below can be set replaces restriction recess 120 with guiding piece 14.Restriction is slightly less than contact by the 14A of cylinder section of the diameter dimension of pressing spring 13 and is arranged at the upper end of the 14A of section and the flange part 14B of the circular plate shape of radially giving prominence to of the edge cylinder 14A of section consists of by diameter dimension with guiding piece 14.And then, in this structure, contact is fixed in the upper surface of movable part 12 by the bottom of pressing spring 13, make restriction pass contact by the inboard of pressing spring 13 with guiding piece 14, thus, the inner peripheral surface and the outer peripheral face butt of restriction with guiding piece 14 of pressing spring 13 pressed in contact.Therefore, even if contact is wanted to move along the radial by pressing spring 13, this moves and also can be limited with guiding piece 14 restrictions.Therefore, for contact the movable part 12 of pressing pressing spring 13 interlock, also can limit it along contact moving radially by pressing spring 13.
In addition, restriction with guiding piece 14 preferred with above-mentioned restriction with recess 120, limit with some being used in combination in protuberance 121, the protuberance 122.And, although above-mentioned restriction comes Restricted Contact by radially the movement of pressing spring 13 by being equipped on contact by the inboard of pressing spring 13 with guiding piece 14, also restriction can be arranged at contact by the outside of pressing spring 13 with guiding piece (not shown).In this case, as long as constitute restriction with guiding piece and the outer peripheral face butt that contacts by pressing spring 13, can bring into play and above-mentioned same effect.
And, although used in the present embodiment the contact that is consisted of by helical spring by pressing spring 13, for example shown in Fig. 6,7, also can use the contact that is consisted of by leaf spring to replace contact by pressing spring 13 by pressing spring 15.Contact by the mainboard 15A of pressing spring 15 by making the upper surface that is fixed in movable part 12, with from the both ends, the left and right sides of mainboard 15A with mode disconnected from each other obliquely just outstanding pair of side plates 15B form one and consist of.In this structure, the upper end of each side plate 15B is in the upper surface slide of housing 3 inside, thus, contact press pressing spring 15 as a whole contact contact/the detaching direction deflection freely.Therefore, can bring into play and use the contact that is consisted of by helical spring by the identical effect of the situation of pressing spring 13.
In addition, even if in the situation that has adopted the leaf spring shown in Fig. 6,7, also can adopt restriction recess as shown in Figure 2.Equally, even if in the situation that has adopted the leaf spring shown in Fig. 6,7, also can adopt the restriction protuberance shown in Fig. 3,4.And then, even if in the situation that has adopted the leaf spring shown in Fig. 6,7, also can adopt restriction guiding piece as shown in Figure 5.
Yet, if the driver element that movable part 12 is driven is the structure that drives based on electromagnetic force as electromagnet apparatus 2 described later, then except said structure, also can be attached with and to be arranged at the structure (with reference to Fig. 8) of movable part 12 such as the magnetic 16 that is consisted of by magnetic materials such as iron.If be attached with this structure, then when junction closure magnetic 16 attracted by electromagnet apparatus 2 grades and movable part 12 by the application of force down, therefore can increase the contact that acts between the contact, can make the contact between the contact more reliable.In addition, magnetic 16 preferably be equipped on as shown in Figure 8 movable part 12 lower surface, be each fixed contact 10A～10C side.In this case, the distance between magnetic 16 and the electromagnet apparatus 2 can be shortened, therefore attraction can be increased.
Below, utilize accompanying drawing that the execution mode of the electromagnetism opening and closing device that possesses above-mentioned contact arrangement 1 is described.Wherein, in the following description, will be defined as up and down up and down direction among Fig. 9.And, in the present embodiment, be provided with restriction in the execution mode of above-mentioned contact arrangement 1 with recess 120 at movable part 12, but can certainly adopt restriction with protuberance 121 other structures such as grade.
As shown in Figure 9, present embodiment constitutes: taken in above-mentioned contact arrangement 1 and electromagnet apparatus 2(driver element in the housing 3 of hollow box), the movable part 12 of these electromagnet apparatus 2 docking point devices 1 drives and makes each movable contact 12A～12C and each fixed contact 10A～10C(with reference to Figure 10,11) contact/separate.In addition, housing 3 is such as by the PBT(polybutylene terephthalate) etc. resin make, as shown in Figure 9 by upper shell 30, lower house 31 these two shell combination are integrated and form.
Form respectively from the outstanding face terminals 100,110 in the right surface of housing 3 at each fixed terminal 10,11.One party in each face terminals 100,110 is connected with external power source (not shown), and the opposing party is connected with external loading (not shown).In addition and since in the above-described embodiment other each several part of docking point device 1 be illustrated, thereby description thereof is omitted herein.
As shown in Figure 9, electromagnet apparatus 2 possesses: excitation winding 20, and this excitation winding 20 is wound in coil rack 21; And a pair of (being illustrated as one) coil terminals 22, this a pair of coil terminals 22 is connected with the two ends of excitation winding 20 respectively.And electromagnet apparatus 2 possesses and sets fixed iron core 23, moving core 24 and the back-moving spring 25 that is fixed in the coil rack 21.
The both ends of excitation winding 20 are connected with the pair of terminal section (not shown) of the flange part 21A that is arranged at coil rack 21 respectively, are connected with each coil terminals 22 through each portion of terminal.Each coil terminals 22 is formed by the metal material that copper etc. has conductivity, and to arrange from the outstanding mode in the right surface of housing 3.And then, by making in each coil terminals 22 circulation that exciting current is arranged and to excitation winding 20 energisings.
At the cylindrical portion 21C of coil rack 21 and be that the bottom of side within it is equipped with the fixed iron core 23 that is formed by magnetic material.Below coil rack 21, be equipped with the yoke 21D that is formed by magnetic material herein.And then fixed iron core 23 is fixed in yoke 21D via the not shown hole of the bottom that is arranged at coil rack 21.Be provided with the chimeric recess 23A towards lower recess in bottom that supplies moving core 24 in the upper end of fixed iron core 23.And inboard at the cylindrical portion 21C of coil rack 21, the moving core 24 that is formed by magnetic material is provided in the upside of fixed iron core 23 in movement mode freely.Be provided with the housing recess 24A of depression up in the bottom of moving core 24, the part of back-moving spring 25 is incorporated in this housing recess 24A.
Back-moving spring 25 is made of helical spring, and is maintained between the interior lower surface of upper surface and the recess 23A of fixed iron core 23 in the housing recess 24A of moving core 24.Back-moving spring 25 moving core 24 towards below when displacement compressed, thereby to moving core 24 application of force up.
Herein, the outside dimension of moving core 24 generates a gap between the cylindrical portion 21C of moving core 24 and coil rack 21 less than the outside dimension of fixed iron core 23.Be equipped with plate 26 in this gap, this plate 26 forms cylindric by magnetic and is provided with flange in the upper end.And then, utilize above-mentioned fixed iron core 23, moving core 24, plate 26 and yoke 21D to form magnetic loop.Metal axle 24B is fixed in moving core 24 in the mode that connects moving core 24.Axle 24B connects lower house 31 and extends and be set to upper shell 30, and the end is equipped with the cap 24C that is formed by the resin material with insulating properties thereon.
Below the action of present embodiment is described.At first, when to excitation winding 20 energising, moving core 24 is fixed and unshakable in one's determination 23 attracts, and thus, the axle 24B that is fixed in moving core 24 is shifted towards the below.So, cap 24C also with axle 24B in linkage towards below displacement, thus, be disengaged based on the restriction towards the displacement of below to movable part 12 of cap 24C, so the active force that movable part 12 is pressed pressing spring 13 because of contact is shifted towards the below.And then, thereby closed between each movable contact 12A～12C and each fixed contact 10A～10C butt contact.
At this moment, because each movable contact 12A～12C contacts at 3 with each fixed contact 10A～10C, therefore can prevent the swing of the movable part 12 when contact collides each other.Therefore, can prevent from producing unusual sound or each movable contact 12A～12C and each fixed contact 10A～10C because of the friction loss because movable part 12 swings.
On the other hand, when the energising cut off excitation winding 20, then moving core 24 because of the active force of back-moving spring 25 towards the top displacement, axle 24B also is shifted towards the top.So cap 24C also is shifted towards the top in linkage with axle 24B, thus the lower surface butt of the upper end of cap 24C and movable part 12.Cap 24C overcomes the active force that contacts by pressing spring 13 to be made movable part 12 towards the top displacement and turns back to initial position.Thus, thus each movable contact 12A～12C separates between the contact with each fixed contact 10A～10C and disconnects.
As mentioned above, even if owing to also using above-mentioned contact arrangement 1 in the present embodiment, the friction between part 12 and other parts of therefore can taking in sail, and can restraint spare 12 move towards contact/detaching direction direction in addition of contact.Therefore, can not produce the wearing and tearing break flour because of the friction between movable part 12 and other position, can avoid causing the such problem of loose contact between the contact because the wearing and tearing break flour is attached to contact.And, do not exist because the friction between movable part 12 and other parts causes the movable part hooking in the situation at other position, can avoid causing the bad such problem of action.
What understand as mentioned above is such, and the contact arrangement 1 of Fig. 1 ~ 5 possesses: pressing spring 13 is pressed in fixed contact 10A～10C, movable contact 12A～12C, movable part 12 and contact.Fixed contact 10A～10C and movable contact 12A～12C constitute and can contact also and can separate.Movable part 12 maintains movable contact 12A～12C.
Contact constitutes movable part 12 towards the direction application of force near fixed contact 10A～10C by pressing spring 13.Movable contact 12A～12C is defined as contact/detaching direction near the direction of fixed contact 10A～10C and the direction of separating from fixed contact 10A～10C.Contact constitutes by pressing spring 13: the direction deflection that this contact contacts/separates along fixed contact 10A～10C and movable contact 12A～12C by pressing spring 13.The direction that contacts by pressing spring 13 deflections is defined as the deflection direction.Constitute: the variation that contacts the position of the end on the deflection direction of pressing pressing spring 13 is limited by movable part 12.
When observing from the another side, the contact arrangement 1 of Fig. 1 ~ 5 possesses: fixed contact 10A～10C; Movable contact 12A～12C; Movable part 12; And pressing spring 13 is pressed in contact.Fixed contact 10A～10C and movable contact 12A～12C constitute and can contact also and can separate.Movable part 12 keeps movable contact 12A～12C.Contact constitutes by pressing spring 13: to movable part 12 towards the direction application of force near fixed contact 10A～10C.Movable contact 12A～12C is defined as contact/detaching direction near the direction of fixed contact 10A～10C and the direction of separating from fixed contact 10A～10C.Contact constitutes by pressing spring 13: the direction deflection that contacts/separate along fixed contact 10A～10C and movable contact 12A～12C.The direction that contacts by pressing spring 13 deflections is defined as the deflection direction.Contact is fixed in movable part 12 by the end on the deflection direction of pressing spring 13.
Thus, can take in sail friction between part 12 and other parts.And, can move towards the direction beyond the contact/detaching direction of contact by restraint spare 12.
And as shown in Figure 2, movable part 12 possesses restriction recess 120.Restriction constitutes with recess 120: chimeric with the end on contacting the deflection direction of pressing pressing spring 13.
And shown in Fig. 3,4, movable part 12 possesses restriction protuberance 121.Restriction constitutes with protuberance 121: chimeric with the end on contacting the deflection direction of pressing pressing spring 13.
And as shown in Figure 5, contact is pressed pressing spring 13 and is helical spring.Contact by pressing spring 13 within it side have restriction with guiding piece 14.Restriction constitutes with guiding piece 14: Restricted Contact is pressed the movement diametrically of pressing spring 13.
In addition, contact radially is defined as the direction of intersecting with the deflection direction by pressing spring 13.
In addition, in Fig. 5, contact by pressing spring 13 within it side have restriction with guiding piece 14.Yet restriction is not limited to contact inboard by pressing spring 13 with the position of guiding piece.That is, contact can have in its outside the restriction guiding piece by pressing spring 13.
And, contact by pressing spring 13 within it the both sides in side and the outside have to limit and use guiding piece.Therefore, contact by pressing spring 13 within it at least one party in side and the outside have to limit and use guiding piece.
And shown in Fig. 6,7, contact can be leaf spring by pressing spring 13.
And as shown in Figure 8, movable part 12 can have magnetic 16.
And as shown in Figure 8, movable part 12 can be arranged at the maintenance face of movable part 12.That wherein, utilizes movable part 12 comes the maintenance face of definition of activities part 12 with electromagnet apparatus 2 opposed one sides.
And as shown in Figure 8, magnetic 16 can be arranged between the movable contact.
And as shown in Figure 9, contact arrangement 1 can be applied to the electromagnetism opening and closing device.In this case, the electromagnetism opening and closing device has driver element.Driver element constitutes: this driver element drives movable part 12, thereby makes each movable contact 12A～12C contact/separate with each fixed contact 10A～10C.
In addition, in an example, driver element is electromagnet apparatus 2.Yet driver element is not limited to electromagnet apparatus 2.For example, also can adopt motor to be used as driver element.
And as shown in Figure 9, electromagnet apparatus 2 has moving core 24.Moving core 24 constitutes and can move between primary importance and the second place.Primary importance is different from the second place.
Moving core 24 constitutes: be subject to the time spent of doing in magnetic field when moving core 24, this moving core 24 moves towards the second place from primary importance.When moving core 24 moved from primary importance towards the second place, movable part 12 moved, so that movable contact 12A～12C moves towards fixed contact 10A～10C.
For example, in Fig. 9, moving core 24 is positioned at primary importance.Be subject to the time spent of doing in magnetic field when moving core 24, moving core 24 moves towards the second place in the mode near fixed iron core 23.
And electromagnet apparatus 2 has excitation winding 20.Excitation winding 20 constitutes: when being subject to the supply of electric current, this excitation winding 20 produces magnetic field.
And movable part 12 has maintenance face.Maintenance face is opposed with electromagnet apparatus 2.Movable contact 12A～12C is arranged at maintenance face.
And fixed contact 10A～10C is to configure with the opposed mode of maintenance face.
And electromagnet apparatus 2 has fixed iron core 23.Fixed iron core 23 is relative with movable part 12 across moving core 24.Moving core 24 constitutes: when the time spent of doing that is subject to magnetic field, this moving core 24 moves towards fixed iron core 23.Move towards fixed iron core 23 by moving core 24, moving core 24 moves towards the second place from primary importance.
Claims (15)
1. a contact arrangement is characterized in that,
This contact arrangement possesses:
The fixed contact that contacts with each other/separate and movable contact;
Movable part, described movable contact is arranged at this movable part; And
Pressing spring press in contact, and this contact makes described movable part near the direction application of force of described fixed contact by pressing spring to described movable part court,
Described contact is pressed pressing spring along the contacting of described fixed contact and described movable contact/detaching direction deflection freely, and the change in location that the end on this deflection direction of pressing spring is pressed in described contact is limited by described movable part.
2. contact arrangement according to claim 1 is characterized in that,
Be provided with restriction at described movable part and use recess, this restriction usefulness recess is with described to contact the end on described deflection direction of pressing pressing spring chimeric.
3. contact arrangement according to claim 1 is characterized in that,
Be provided with restriction at described movable part and use protuberance, this restriction usefulness protuberance is with described to contact the end on described deflection direction of pressing pressing spring chimeric.
4. contact arrangement according to claim 1 is characterized in that,
Described contact is made of helical spring by pressing spring, presses inboard or the restricted guiding piece of using of arranged outside of pressing spring in described contact, and this restriction limits described contact by the movement diametrically of pressing spring with guiding piece.
5. contact arrangement according to claim 1 is characterized in that,
Described contact is made of leaf spring by pressing spring.
6. contact arrangement according to claim 1 is characterized in that,
Be provided with the magnetic that is consisted of by magnetic material at described movable part.
7. contact arrangement according to claim 6 is characterized in that,
Described magnetic is arranged at the one side by described fixed contact side of described movable part.
8. an electromagnetism opening and closing device is characterized in that,
This electromagnetism opening and closing device possesses:
Each described contact arrangement in the claim 1 to 7; And
Driver element, this driver element drives the described movable part of this contact arrangement, thereby makes described each movable contact contact/separate with described each fixed contact.
9. electromagnetism opening and closing device according to claim 8 is characterized in that,
Described driver element is electromagnet apparatus.
10. electromagnetism opening and closing device according to claim 9 is characterized in that,
Described electromagnet apparatus has moving core,
Described moving core constitute can primary importance, and be different between the second place of primary importance mobile,
Described moving core constitutes: when the time spent of doing that is subject to magnetic field, described moving core moves towards described primary importance from the described second place,
When described moving core moved from the second place towards primary importance, movable part moved, so that described movable contact moves towards the direction near described fixed contact.
11. electromagnetism opening and closing device according to claim 9 is characterized in that,
Described electromagnet apparatus has excitation winding,
Described excitation winding constitutes: when being subject to the supply of electric current, described excitation winding produces described magnetic field.
12. electromagnetism opening and closing device according to claim 9 is characterized in that,
Described movable part has the maintenance face that keeps described movable contact,
Described maintenance face is opposed with described electromagnet apparatus.
13. electromagnetism opening and closing device according to claim 12 is characterized in that,
Described fixed contact and described maintenance are in the face of putting.
14. electromagnetism opening and closing device according to claim 10 is characterized in that,
Described electromagnet apparatus has fixed iron core,
Described fixed iron core configures across described moving core is relative with described movable part,
Described moving core constitutes: when the time spent of doing that is subject to magnetic field, described moving core moves towards described fixed iron core, and thus, described moving core moves towards described primary importance from the described second place.
15. electromagnetism opening and closing device according to claim 14 is characterized in that,
Distance between described primary importance and the described fixed iron core is greater than the distance between the described second place and the described fixed iron core.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-063260 | 2011-03-22 | ||
| JP2011063260A JP2012199139A (en) | 2011-03-22 | 2011-03-22 | Contact device and electromagnetic switch device using the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202650993U true CN202650993U (en) | 2013-01-02 |
Family
ID=47181159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220081391 Expired - Fee Related CN202650993U (en) | 2011-03-22 | 2012-03-06 | Contact device and electromagnetic opening and closing apparatus using the contact device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2012199139A (en) |
| CN (1) | CN202650993U (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000340086A (en) * | 1999-05-25 | 2000-12-08 | Fuji Electric Co Ltd | Moving-contact support fitting of electromagnetic contactor |
| JP2004319128A (en) * | 2003-04-11 | 2004-11-11 | Denso Corp | Electromagnetic switch for starter |
| JP4466421B2 (en) * | 2005-03-18 | 2010-05-26 | パナソニック電工株式会社 | Sealed contact device |
| JP4577290B2 (en) * | 2006-09-29 | 2010-11-10 | 株式会社デンソー | Electromagnetic relay |
| JP5206157B2 (en) * | 2008-06-30 | 2013-06-12 | オムロン株式会社 | Electromagnetic relay |
-
2011
- 2011-03-22 JP JP2011063260A patent/JP2012199139A/en active Pending
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2012
- 2012-03-06 CN CN 201220081391 patent/CN202650993U/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| JP2012199139A (en) | 2012-10-18 |
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