CN202405184U - Electromagnetic contactor - Google Patents

Electromagnetic contactor Download PDF

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Publication number
CN202405184U
CN202405184U CN2011205276240U CN201120527624U CN202405184U CN 202405184 U CN202405184 U CN 202405184U CN 2011205276240 U CN2011205276240 U CN 2011205276240U CN 201120527624 U CN201120527624 U CN 201120527624U CN 202405184 U CN202405184 U CN 202405184U
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CN
China
Prior art keywords
mentioned
iron core
fixed
moving
core pin
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN2011205276240U
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Chinese (zh)
Inventor
崔官浩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LS Electric Co Ltd
Original Assignee
LS Industrial Systems Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by LS Industrial Systems Co Ltd filed Critical LS Industrial Systems Co Ltd
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Publication of CN202405184U publication Critical patent/CN202405184U/en
Anticipated expiration legal-status Critical
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/14—Terminal arrangements
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
    • H01H50/647—Driving arrangements between movable part of magnetic circuit and contact intermediate part comprising interlocking means for different contact pairs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/052—Actuators interlocked

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Electromagnets (AREA)

Abstract

The utility model relates to an electromagnetic contactor. The electromagnetic contactor provided by an embodiment of the utility model comprises an outer shell, a fixed joint, a moving joint, a fixed core, a magnetizing coil, a moving core, a sliding part, an core pin and a fixed part, wherein the outer shell forms an appearance, the fixed joint is fixed in the outer shell, the moving joint is contacted with or isolated from the fixed joint to form an open or closed a circuit, the fixed core is fixed in the outer shell, the magnetizing coil is applied with current to form a magnetic field of the fixed core, the moving core moves under the action of the magnetic field formed by the fixed core through applying the current on the magnetizing coil, the sliding part is in moving link with the moving core so as to move the moving joint, the core pin penetrates through the moving core and the sliding part, and the fixed part is combined on the core pin so as to prevent the condition that the core pin randomly drops off when penetrating through the moving core and the sliding part. According to the embodiment of the utility model, a fixed pin and the fixed part can be more easily, simply and conveniently combined, and the fixed part can be stably protected.

Description

Electromagnetic contactor
Technical field
The present invention relates to electromagnetic contactor.
Background technology
Electromagnetic contactor is that break-make is supplied to the electric device of the power circuit of motor with the control motor.Above-mentioned electromagnetic contactor comprises and is in contact with one another or separates to apply or the permanent joint and the shift joint of deenergization.In addition, electromagnetic contactor comprises drive division, its be provided for moving above-mentioned shift joint actuating force so that said fixing joint and shift joint be in contact with one another or separate.
Above-mentioned drive division comprises secured core (fixed core), magnet exciting coil (magnetizing coil), moving iron core (moving core) and return spring.The said fixing iron core is fixed in electromagnetic contactor inside.In addition, above-mentioned magnet exciting coil is established around the said fixing iron core.Above-mentioned moving iron core is applying power supply to above-mentioned magnet exciting coil so that the said fixing iron core by excitation (magnetizing) afterwards, is attracted to move by the said fixing iron core.Above-mentioned return spring provides the elastic force that makes above-mentioned moving iron core separate and move to original position from the said fixing iron core at above-mentioned magnet exciting coil and secured core by excitation (magnetizing) afterwards to above-mentioned moving iron core.In addition, if above-mentioned moving iron core attracts or elastic force through above-mentioned return spring moves to above-mentioned secured core, above-mentioned shift joint interlock is moved, so that said fixing joint and shift joint are in contact with one another or separate.
In addition, move, combine above-mentioned moving iron core and sliding part through sliding part for making the interlock of above-mentioned shift joint and above-mentioned moving iron core.For example, the iron core keying of above-mentioned moving iron core of perforation capable of using and sliding part is closed and is stated two parts.In addition, combine fixedly clip, break away from from above-mentioned moving iron core and sliding part to prevent above-mentioned iron core pin at the both ends of the above-mentioned iron core pin that connects above-mentioned moving iron core and sliding part.Below, in conjunction with accompanying drawing to the iron core pin of prior art and fixedly the integrated structure of clip be elaborated.
Fig. 1 is that the iron core pin of prior art reaches fixedly clip bonding state sketch map, and Fig. 2 is the wrong each other view of handing over of fixedly clip of prior art.
As shown in Figure 1, fixedly clip 2 is shaped to open loop (open loop) shape.For example, can be through the iron wire moulding said fixing clip 2 of crooked certain-length.In addition, said fixing clip 2 is fixed in the outer peripheral face of iron core pin 1.At this moment, said fixing clip 2 moves to be incorporated into above-mentioned iron core pin 1 to the direction with the length direction quadrature of above-mentioned iron core pin 1.
But there is following problem in the electromagnetic contactor of above-mentioned prior art:
At first, said fixing clip 2 direction that is incorporated into above-mentioned iron core pin 1 is fixed as a direction.Therefore,, need cause attention especially, make troubles for said fixing clip 2 being incorporated into above-mentioned iron core pin 1.
In addition, in the prior art, said fixing clip 2 is incorporated into above-mentioned iron core pin 1 under the state of above-mentioned iron core pin 1 above-mentioned moving iron core of perforation and sliding part.Therefore, in the prior art, need be fixed in two operations of the operation of above-mentioned iron core pin 1 with the operation of above-mentioned iron core pin 1 above-mentioned moving iron core of perforation and sliding part and with said fixing clip 2.
In addition, as shown in Figure 2, in the prior art, because of the shape of said fixing clip 2, a plurality of said fixing clip 2a, 2b are wrong easily to be handed over together.Therefore, need separate the loaded down with trivial details operation of the said fixing clip 2 of distortion or wrong friendship state from other said fixing clip 2.
Summary of the invention
The electromagnetic contactor that the objective of the invention is to overcome the deficiency of prior art and a kind of more easily secured core pin and sliding part are provided.
Another object of the present invention is to, a kind of electromagnetic contactor that reduces the operation of secured core pin and sliding part is provided.
Another purpose of the present invention is, the electromagnetic contactor of a kind of easy keeping in order to the parts of secured core pin and sliding part is provided.
In order to achieve the above object, the electromagnetic contactor of one embodiment of the invention comprises: shell forms outward appearance; Permanent joint is fixed in above-mentioned enclosure; Shift joint contacts with the said fixing joint or separates to open and close circuit; Secured core is fixed in above-mentioned enclosure; Magnet exciting coil applies electric current to form the magnetic field of said fixing iron core; Moving iron core, through applying electric current to above-mentioned magnet exciting coil by moving in the magnetic field that the said fixing iron core forms; Sliding part, with the mobile interlock of above-mentioned moving iron core to move above-mentioned shift joint; The iron core pin connects above-mentioned moving iron core and sliding part; And fixed part, be incorporated into above-mentioned iron core pin and under the state that connects above-mentioned moving iron core and sliding part, arbitrarily break away to prevent above-mentioned iron core pin; And the said fixing parts form with closed loop shape.
The embodiment of electromagnetic contactor of the present invention has following effect:
In an embodiment of the present invention, fixed part is positioned under the state of certain position, the iron core pin that connects moving iron core and sliding part combines with the said fixing parts.In an embodiment of the present invention, can more easily combine above-mentioned iron core pin and fixed part.
In an embodiment of the present invention, accomplish the operation and the operation that combines above-mentioned iron core pin and fixed part of above-mentioned iron core pin being fixed in above-mentioned moving iron core and sliding part through disposable operation.Therefore, in an embodiment of the present invention, can reduce the operation of manufacturing articles.
In addition, in an embodiment of the present invention, in the process of a plurality of fixed parts of keeping, can prevent that fixed part is interlaced.Therefore, in an embodiment of the present invention, can more stably take care of fixed part.
Description of drawings
Fig. 1 is that the iron core pin of prior art reaches fixedly clip bonding state sketch map;
Fig. 2 is the wrong each other view of handing over of the fixedly clip of prior art;
Fig. 3 partly cuts profile for the embodiment of electromagnetic contactor of the present invention;
Fig. 4 is moving iron core and the sliding part integrated structure decomposing schematic representation in the embodiment of the invention;
Fig. 5 is for constituting the retainer ring front elevation of the embodiment of the invention.
Embodiment
Below, the embodiment to electromagnetic contactor of the present invention is elaborated in conjunction with accompanying drawing.
Fig. 3 partly cuts profile for the embodiment of electromagnetic contactor of the present invention; Fig. 4 is moving iron core and the sliding part integrated structure decomposing schematic representation among this embodiment; Fig. 5 is for constituting the retainer ring front elevation of the embodiment of the invention.
At first, as shown in Figure 3, the electromagnetic contactor of present embodiment comprises shell 100, conducting parts, drive division and actuating force transfer part.Above-mentioned shell 100 forms the outward appearance of electromagnetic contactor.In addition, above-mentioned conducting parts and drive division are installed on above-mentioned shell 100 inside.Above-mentioned conducting parts for example, plays the work that opens and closes circuit in order to apply or to break off the power supply that is supplied to motor.In addition, above-mentioned drive division provides in order to open and close the actuating force of circuit to above-mentioned conducting parts.
Particularly, above-mentioned conducting parts comprises permanent joint 110 and shift joint 120.In addition, said fixing joint 110 is fixed in the inside of above-mentioned shell 100.In addition, above-mentioned shift joint 120 is installed on above-mentioned shell 100 inside movably, optionally to contact with said fixing joint 110 or to separate.
Above-mentioned drive division comprises secured core 130, magnet exciting coil 140, moving iron core 150 and return spring 160.Said fixing iron core 130 is fixed in the inside of above-mentioned shell 100.In addition, above-mentioned magnet exciting coil 140 is incorporated into said fixing iron core 130 and is applied in electric current, with in said fixing iron core 130 formation magnetic fields.Above-mentioned moving iron core 150 is attracted to above-mentioned secured core 130 through said fixing iron core 130 formed magnetic fields in the inside of above-mentioned shell 100.The rightabout that above-mentioned return spring 160 is attracted to above-mentioned secured core 130 to above-mentioned moving iron core 150 provides elastic force to above-mentioned moving coil 150.
Like Fig. 3 and shown in Figure 4, above-mentioned actuating force transfer part comprises sliding part 170, iron core pin 180 and fixed part 190.The mobile interlock of above-mentioned sliding part 170 and above-mentioned moving iron core 150 is to move above-mentioned shift joint 120.For this reason, line number sliding part 170 is fixed in above-mentioned shift joint 120 and moving iron core 150.Above-mentioned iron core pin 180 and fixed part 190 play the effect of fixing above-mentioned moving iron core 150 and sliding part 170.
Particularly, above-mentioned sliding part 170 possesses first and second accommodation space 171,173.Above-mentioned first accommodation space 171 is used for ccontaining above-mentioned moving iron core 150, and above-mentioned second accommodation space, 173 ccontaining above-mentioned iron core pin 180 and fixed parts 190.Above-mentioned second accommodation space 173 is by two both sides that constitute and be each positioned at above-mentioned first accommodation space 171.In addition, above-mentioned second accommodation space 173 respectively is communicated with above-mentioned second accommodation space 171.
At above-mentioned second accommodation space 173, each forms attachment slot 175.Said fixing slit 175 is formed by the part depression of above-mentioned second accommodation space 173.In said fixing slit 175, each inserts said fixing parts 190.
In addition, form intercommunicating pore 177 at above-mentioned sliding part 170.Some connection the in above-mentioned intercommunicating pore 177 and above-mentioned second accommodation space 173.In fact, above-mentioned intercommunicating pore 177 can be positioned on the identical virtual line with second accommodation space 173.
Above-mentioned iron core pin 180 connects above-mentioned intercommunicating pore 177, second accommodation space 173 and moving iron core 170 and establishes.Therefore, in fact, above-mentioned moving iron core 150 moves through above-mentioned iron core pin 180 interlocks with sliding part 170.Outer peripheral face at above-mentioned iron core pin 180 forms engagement groove 181.Above-mentioned engagement groove 181 is formed by the part depression (recess) of above-mentioned iron core pin 180.
In addition, the inside of above-mentioned second accommodation space 173 is fixed in 190 each insertion of said fixing parts, and promptly the said fixing slit 175.In fact, said fixing parts 190 are incorporated into the above-mentioned iron core pin 180 that connects above-mentioned second accommodation space 173 under the state of the inside of being fixed in above-mentioned second accommodation space 173.
As shown in Figure 5, said fixing parts 190 form with closed loop (closed-loop) shape.In the inside of said fixing parts 190, form and use so that the combined hole 191 that above-mentioned iron core pin 180 inserts.Inner peripheral surface at above-mentioned engagement groove 191 possesses elastic contact part 193.Above-mentioned elastic contact part 193 intermittently possesses in above-mentioned combined hole 191 inner peripheral surfaces, and outstanding to the center of above-mentioned combined hole 191 at the inner peripheral surface of above-mentioned combined hole 191.In fact above-mentioned elastic contact part 193 is installed in the outer peripheral face of above-mentioned iron core pin 180, promptly above-mentioned engagement groove 181.Above-mentioned elastic contact part 193 is compressed by the outer peripheral face strain of above-mentioned iron core pin 180.In addition, if said fixing parts 190 are positioned on the above-mentioned engagement groove 181, then contact through the elastic force recovery and with above-mentioned engagement groove 181.
Below, the effect of the embodiment of electromagnetic contactor of the present invention is elaborated.
At first, for fixing moving iron core 150 and sliding part 170, make above-mentioned moving iron core 150 be placed in first accommodation space, 171 inside.In addition, fixed part 190 is fixed in above-mentioned second accommodation space 173.
Under this state, utilize iron core pin 180 fixing above-mentioned moving iron cores 150 and sliding part 170.Particularly, if above-mentioned iron core pin 180 moves, then above-mentioned iron core pin 180 connects some in intercommunicating pore 177, some, the above-mentioned moving iron core 150 in above-mentioned second accommodation space 173 and above-mentioned second accommodation space 173 of above-mentioned sliding part 170 successively.At this moment, above-mentioned iron core pin 180 also connects the engagement groove 191 that inserts said fixing parts 190.Connect in the process of inserting above-mentioned combined hole 191 at above-mentioned iron core pin 180, elastic contact part 193 is by the new school of above-mentioned spy 180 strains.In addition, if said fixing parts 190 are positioned on the above-mentioned engagement groove 181 through the mobile of above-mentioned iron core pin 180, then above-mentioned elastic contact part 193 restores and contacts with above-mentioned engagement groove 181.Therefore, said fixing parts 190 will be installed in above-mentioned engagement groove 181, and under the state of above-mentioned iron core pin 180 and fixed part 190 combinations, can arbitrarily not separate.
The foregoing description is only unrestricted in order to explanation the present invention; Those of ordinary skill in the art is to be understood that; Can make amendment, be out of shape the present invention or be equal to replacement, and not break away from the spirit and scope of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.

Claims (5)

1. an electromagnetic contactor comprises: shell, formation outward appearance;
Permanent joint is fixed in above-mentioned enclosure;
Shift joint contacts with the said fixing joint or separates to open and close circuit;
Secured core is fixed in above-mentioned enclosure;
Magnet exciting coil applies electric current to form the magnetic field of said fixing iron core;
Moving iron core, through applying electric current to above-mentioned magnet exciting coil by moving in the magnetic field that the said fixing iron core forms;
Sliding part, with the mobile interlock of above-mentioned moving iron core to move above-mentioned shift joint;
The iron core pin connects above-mentioned moving iron core and sliding part; And
Fixed part is incorporated into above-mentioned iron core pin and arbitrarily breaks away under the state that connects above-mentioned moving iron core and sliding part to prevent above-mentioned iron core pin;
And the said fixing parts form with closed loop shape.
2. electromagnetic contactor according to claim 1 is characterized in that:
At the said fixing parts, comprising:
Combined hole connects above-mentioned iron core pin and inserts; And
Elastic fixed part, outstanding at the inner peripheral surface of above-mentioned combined hole to the center of above-mentioned combined hole.
3. electromagnetic contactor according to claim 2 is characterized in that: when above-mentioned elastic fixed part inserts above-mentioned combined hole at above-mentioned iron core pin, by above-mentioned iron core pin pressurization strain.
4. electromagnetic contactor according to claim 3 is characterized in that: the outer peripheral face at above-mentioned iron core pin forms in order to install the groove of said fixing parts.
5. electromagnetic contactor according to claim 4 is characterized in that: if the said fixing parts install in the above-mentioned groove of installing, then above-mentioned elastic fixed part strain also contacts with the above-mentioned groove of installing.
CN2011205276240U 2010-12-16 2011-12-16 Electromagnetic contactor Expired - Lifetime CN202405184U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR2020100013065U KR200458093Y1 (en) 2010-12-16 2010-12-16 Magnetic contactor
KR20-2010-0013065 2010-12-16

Publications (1)

Publication Number Publication Date
CN202405184U true CN202405184U (en) 2012-08-29

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Application Number Title Priority Date Filing Date
CN2011205276240U Expired - Lifetime CN202405184U (en) 2010-12-16 2011-12-16 Electromagnetic contactor

Country Status (2)

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KR (1) KR200458093Y1 (en)
CN (1) CN202405184U (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09171753A (en) * 1995-12-19 1997-06-30 Fuji Electric Co Ltd Electromagnetic contactor

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CX01 Expiry of patent term
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Granted publication date: 20120829