CN211016936U - Iron core for AC contactor - Google Patents

Abstract

The utility model relates to an iron core for AC contactor, which relates to the technical field of iron core, comprising a body, wherein the body comprises a plurality of iron core sheets with E-shaped structures which are arranged in a laminating way, each iron core sheet comprises a vertical part and three horizontal parts, the end surface of the horizontal part of the body is provided with a short circuit ring, one end of the horizontal part is provided with an insertion groove, the insertion groove is connected with an insertion block in a sliding way, the insertion block is provided with an insertion hole, a connecting block is connected with the insertion hole in a sliding way, one end of the connecting block towards the insertion groove is provided with a connecting groove for inserting the short circuit ring, one end of the connecting block far away from the insertion block is provided with a cover block for hinging, one side of the two sides of the connecting block close to the cover block is provided with a first stabilizing groove, the two cover blocks are provided with a second stabilizing groove communicated with the first fixing groove, the connecting block is inserted with a, the invention has the effect that the short circuit ring is fixedly connected in the connecting groove in the attracting process of the strong iron core.

Description

Iron core for AC contactor

Technical Field

The utility model belongs to the technical field of the technique of iron core and specifically relates to an iron core for ac contactor is related to.

Background

Currently, a Contactor (Contactor) is an electrical appliance that uses a coil to flow current to generate a magnetic field in industrial electricity to close a contact so as to control a load. The contactor consists of an electromagnetic system (iron core, static iron core and electromagnetic coil) contact system (normally open contact and normally closed contact) and an arc extinguishing device. The principle is that after the electromagnetic coil of the contactor is electrified, a strong magnetic field can be generated, so that the static iron core generates electromagnetic attraction to attract the armature and drive the contact to act: the normally closed contact is disconnected; the normally open contact is closed, and the normally open contact are linked. When the coil is powered off, the electromagnetic attraction disappears, and the armature is released under the action of the release spring to restore the contact: closing the normally closed contact; the normally open contact is open.

Among the prior art, chinese patent with grant publication number CN202534599U discloses an ac contactor iron core, including the iron core body, the iron core body includes that a plurality of "E" shape structure's iron core pieces fold and press the setting and form, and every iron core piece all includes a vertical portion and three horizontal portion, the horizontal portion terminal surface of iron core body is equipped with the short circuit ring.

The above prior art solutions have the following drawbacks: the short circuit ring is clamped in the clamping groove to be fixed, the fixing effect is limited, the iron core can generate large vibration in the suction process, the short circuit ring in the clamping groove is fixed and loosened to be separated from the clamping groove easily after being long, and the normal use of the contactor is influenced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide an iron core for ac contactor, it can strengthen the iron core and make short circuit ring fixed connection in the spread groove at the in-process of actuation, does not influence the normal use of contactor.

The above object of the present invention can be achieved by the following technical solutions: an iron core for an alternating current contactor comprises a body, wherein the body comprises a plurality of iron core pieces of E-shaped structures which are stacked and pressed, each iron core piece comprises a vertical part and three transverse parts, the end face of each transverse part of the body is provided with a short circuit ring, each short circuit ring is provided with a transverse pasting part and a connecting part fixedly connected with the two ends of the transverse pasting part, the end face of each connecting part is lower than the end face of the transverse pasting part, the transverse pasting part is positioned on the end face of the transverse part, one end of each transverse part is provided with an insertion groove, an insertion block is connected in the insertion groove in a sliding mode, an insertion hole is arranged on each insertion block, a connecting block is connected in the insertion hole in a sliding mode, one end, facing the insertion groove, of each connecting block is provided with a connecting groove for inserting the corresponding connecting part, one end, far away from the corresponding insertion block, is provided with a covering block for hinging, and the two covering blocks are provided with second stabilizing grooves communicated with the first fixing grooves, and the connecting block is inserted with a stabilizing block which penetrates through the first stabilizing grooves and is inserted into the second stabilizing grooves.

Through adopting above-mentioned technical scheme, earlier rotate the lid piece when needs fixed short-circuit ring, make the lid piece no longer contact with the both sides limit of connecting block, the short-circuit ring is placed on horizontal portion terminal surface again, the part entity of short-circuit ring inserts to the spread groove in this moment, rethread rotates the lid piece, make the lid piece towards contacting with the both sides limit of connecting block, through promoting the stabilizing block to the direction that is close to the lid piece, make the stabilizing block pass first stabilizing groove in proper order and insert to the second stabilizing groove in, make the lid piece and connecting block carry out the relatively fixed setting through the effect of stabilizing the piece, contact with the short-circuit ring through the one side of lid piece orientation spread groove, play the effect of stabilizing the short-circuit ring on horizontal portion.

The utility model discloses further set up to: two all open the pulling annular of being convenient for to pull the steady piece on the connecting block.

Through adopting above-mentioned technical scheme, because when stabilizing the piece and inserting to first stable groove and second stable inslot realization fixed lid and close piece and connecting block, the one end face that the piece deviates from the lid with stabilize the piece and close the one side that the piece deviates from the lid and flush, do benefit to through opening some pulling annulars and scratch out the piece from first stable inslot with stabilizing the piece, the later repeated practical stable piece of being convenient for.

The utility model discloses further set up to: the one end that the piece deviates from the spread groove is opened to the lid, the pulling inslot is fixed to be provided with and is used for the pulling lid to close the pulling pole of piece, the pulling pole is kept away from the one side of pulling groove tank bottom and is flushed with the up end of lid piece.

By adopting the technical scheme, when the connecting block is positioned in the insertion groove, the pulling rod positioned on the cover closing block is pulled by a tool, the pulling rod drives the cover closing block to rotate, when the cover closing block moves towards the direction far away from the connection groove, part of the entity of the cover closing block penetrates out of the insertion groove, and when the cover closing block is continuously pulled, the whole connecting block is pulled out of the insertion groove, so that a short-circuit ring is conveniently inserted into the connection groove in the follow-up process.

The utility model discloses set up further to it has the control groove of being connected with the insertion groove and being vertical setting with the insertion groove to open in the horizontal portion, sliding connection has the control panel in the control groove, the inside control chamber that opens of control panel, sliding connection has the control strip in the control chamber, the part entity that the control strip is located the control panel passes the control panel and flushes with the lateral surface of horizontal portion, it has and is used for control to open on the control panel fall L grooves that fall that the control strip removed, it is including erecting groove and transverse groove to fall L type groove, works as when the control strip is located the transverse groove, the control strip inserts in the control hole that has opened in the horizontal portion.

Through adopting above-mentioned technical scheme, when need not to fix the short circuit ring, will insert the piece and remove to the insertion inslot, through removing the control panel, make the control panel plug up the insertion groove, and promote the control strip that is located on the control panel, make the control strip remove in erecting the inslot earlier, until with the control strip towards the one end of horizontal groove and erect the tank bottom mutual contact of groove towards the horizontal groove, promote the control strip again, make the control strip remove to the horizontal groove in, part entity of keeping away from perpendicular groove through the control strip inserts to the control hole in, play the effect fixed to the control panel, have and prevent that external dust or foul things from getting into to cause the effect of harm to the components and parts in the insertion groove.

The utility model discloses further set up to: one end of the control strip inserted into the control hole is a spherical end.

Through adopting above-mentioned technical scheme, when the removal control strip inserts the control strip to the control hole in, the sphere end has the effect that the guide control strip inserted to the control hole in, avoids the lateral wall butt of control strip and control hole trompil department.

The utility model discloses further set up to: and a strip-shaped structure is fixedly arranged at one end of the control strip, which is far away from the transverse part.

Through adopting above-mentioned technical scheme, the strip structure has increased the frictional force between staff's hand and the control strip, the effect of the staff of being convenient for removal control strip.

The utility model discloses further set up to: the side of vertical portion is provided with the contact piece that is used for connecting adjacent vertical portion, the one end that vertical portion deviates from the contact piece is opened has the contact groove that supplies adjacent contact piece to insert.

Through adopting above-mentioned technical scheme, realize the fixed of two adjacent iron cores through contacting the piece, insert the contact slot to adjacent iron core through contacting the piece between the iron core, wear a slice piece iron core as an organic whole, the stability of overall structure has been changed.

The utility model discloses further set up to: one end of the contact block, facing the adjacent contact groove, is provided with an arc surface, and the bottom of the contact groove is provided with an arc end.

Through adopting above-mentioned technical scheme, the design of arc surface has the contact piece that is convenient for the contact piece to insert to the contact slot inslot of adjacent iron core and is convenient for insert in the contact slot and have adjacent iron core.

To sum up, the utility model discloses a following at least one useful technological effect:

1. when needs are fixed to the short circuit ring, pull the connecting block through the pulling pole earlier, later rotate the lid again and close the piece for the connecting portion that the short circuit traded insert to the spread groove in, change the lid again and close the piece, make the lid close the piece and contact with connecting portion, insert in order to realize fixed lid and connecting block in first stable groove and the second stable inslot through removing stable piece at last, and then realize stable piece and short circuit ring's relatively fixed.

2. When need not to fix the short circuit ring, through pulling the stable piece of annular pulling, break away from the short circuit ring in the spread groove, insert the connecting block to the plug-in hole again, later promote to insert the piece and will insert the piece and withdraw to the plug-in groove in, pull up the control panel at last, make the control strip insert to the control hole in, the effect of plug-in groove has been reached to the control panel, because the connecting block and insert the piece and place inside the iron core completely, make and be difficult for appearing the space between adjacent iron core, the interconnect of the iron core of being convenient for forms the iron core group of installing in ac contactor.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic sectional view showing a partial structure of the insertion groove of the present invention.

Fig. 3 is a schematic view showing the explosion of the local structure at the closure of the cover.

Fig. 4 is a schematic view of a partial structure of the present invention without a short circuit ring inserted.

Fig. 5 is a schematic sectional view of a partial structure of the control hole of the present invention.

FIG. 6 is a schematic view showing the structure of the contact groove of the present invention.

The reference numbers of the connecting block comprise 1, a body, 2, a vertical part, 3, a transverse part, 4, a short-circuit ring, 5, an insertion groove, 6, an insertion block, 7, an insertion hole, 8, a connecting block, 9, a connecting groove, 10, a covering block, 11, a first stabilizing groove, 12, a second stabilizing groove, 13, a fixing block, 14, a pulling ring groove, 15, a pulling groove, 16, a pulling rod, 17, a control groove, 18, a control plate, 19, a control cavity, 20, a control strip, 21, an inverted L-shaped groove, 22, a vertical groove, 23, a transverse groove, 24, a control hole, 25, a strip-shaped structure, 26, a contact block, 27, a contact groove, 28, a transverse pasting part, 29 and a connecting part.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses an iron core for ac contactor, including body 1, body 1 is folded including the iron core piece of ten "E" shape structures and is pressed the setting and form, and every iron core piece is including a vertical portion 2 and three horizontal portion 3, and 3 terminal surfaces in horizontal portion of body 1 are equipped with short circuit ring 4, and short circuit ring 4 is provided with violently subsides portion 28 and with violently subsides portion 28's both ends fixed connection's connecting portion 29, and connecting portion 29's terminal surface is less than the terminal surface of violently subsides portion 28, and violently subsides portion 28 is located horizontal portion 3 terminal surfaces.

Referring to fig. 2 and 3, an insertion groove 5 is formed at one end of the lateral portion 3, an insertion block 6 is slidably coupled to the insertion groove 5, an insertion hole 7 is formed at one end of the insertion block 6 facing the lateral portion 3, a connection block 8 is slidably coupled to the insertion hole 7, and a connection groove 9 into which a connection portion 29 is inserted is formed in the connection block 8 in the same direction as the notch of the insertion groove 5. One end that insertion groove 5 was kept away from to connecting block 8 articulates there is the lid piece 10, connecting block 8 both sides are close to and all opened first stable groove 11 on one side of lid piece 10, the second stable groove 12 that has the first fixed slot intercommunication that communicates with the correspondence is all opened at the both ends of lid piece 10, and insert on connecting block 8 and pass first stable groove 11 and insert the stable piece to second stable groove 12, one of two connecting blocks 8 that deviate from lid piece 10 is served and all opened the pulling annular 14 that is convenient for pull stable piece. When the short circuit ring 4 needs to be fixed, the covering block 10 is rotated firstly, then the short circuit ring 4 is placed on the end face of the transverse part 3, at the moment, part of the entity of the short circuit ring 4 is inserted into the connecting groove 9, then the covering block 10 is rotated, so that the covering block 10 is contacted with part of the entity of the short circuit ring 4, two stabilizing blocks are pushed towards the direction close to the axial lead of the covering block 10, the two stabilizing blocks sequentially penetrate through the corresponding first stabilizing grooves 11 to be inserted into the corresponding second stabilizing grooves 12, the covering block 10 and the connecting block 8 are relatively fixedly arranged through the action of the stabilizing blocks, one surface of the covering block 10 facing the connecting groove 9 is contacted with the short circuit ring 4, and the effect of stabilizing the short circuit ring 4 on the transverse part 3 is achieved. When the short circuit ring 4 is not required to be fixed, the stabilizing block is firstly pulled out from the second stabilizing groove 12 through the pulling annular groove 14 formed in the connecting block 8, so that the stabilizing block does not realize the fixation between the connecting block 8 and the covering block 10 any more, then the connecting block 8 is slid to enable the connecting block 8 to be received in the insertion hole 7, and finally the insertion block 6 is pushed towards the direction close to the insertion groove 5, so that the insertion block 6 is retracted into the insertion groove 5.

Referring to fig. 4 and 5, a control slot 17 connected to the insertion slot 5 (see fig. 2) and vertically disposed with the insertion slot 5 is opened on the lateral portion 3, a control board 18 is slidably connected to the control slot 17, a control cavity 19 is opened inside the control block, a control strip 20 is slidably connected to the control cavity 19, a portion of the control strip 20 located inside the control board 18 passes through the control board 18 and is flush with the outer lateral surface of the lateral portion 3, an inverted L-shaped slot 21 for controlling the movement of the control strip 20 is opened on the control board 18, the inverted L-shaped slot includes a vertical slot 22 and a lateral slot 23, the control board 18 is moved after the insertion block 65 (see fig. 2) is retracted into the insertion slot 5, so that the control board 18 blocks the insertion slot 5, in order to fix the control board 18, the friction force between the hand and the control board 18 is increased by a strip structure 25 on the control strip 20, so as to push the control strip 20 located on the control board 18, when the control strip 20 moves in the vertical slot 22, until one end of the control strip 20 facing the lateral slot 23 and the bottom of the vertical slot 22 are mutually contacted, so that the control strip 20 is inserted into the control ball 20, and the control ball is prevented from entering the control ball 20, and the control ball is inserted into the control slot 20, and inserted into the control ball is inserted into the control ball 5, and the control ball is prevented from entering the control ball 5, and the dust control ball is inserted into the dust control ball control.

Referring to fig. 2 and 3, a pulling groove 15 is formed in one end, away from the connecting groove 9, of the cover closing block 10, a pulling rod 16 for pulling the cover closing block 10 is fixedly arranged in the pulling groove 15, and one surface, away from the bottom of the pulling groove 15, of the pulling rod 16 is flush with the upper end face of the cover closing block 10. When the connecting block 8 needs to be moved out of the insertion hole 7 again, and the short-circuit ring 4 is fixed by the practical connecting block 8, the pulling rod 16 positioned on the cover closing block 10 is pulled by a tool, the pulling rod 16 drives the cover closing block 10 to rotate, when the cover closing block 10 moves towards the direction far away from the connecting groove 9, part of the entity of the cover closing block 10 penetrates out of the insertion groove 5, and when the cover closing block 10 is continuously pulled, the whole connecting block 8 is pulled out of the insertion groove 5, so that the short-circuit ring 4 is conveniently inserted into the connecting groove 9 in the follow-up process.

Referring to fig. 1 and 6, the side of the vertical part 2 is provided with a connecting block 8 for connecting the adjacent vertical part 2, the connecting block 8 is an arc surface towards one end of the connecting groove 9 of the adjacent iron core, the end of the vertical part 2 departing from the connecting block 8 is provided with the connecting groove 9 for inserting the adjacent connecting block 8, and the bottom of the connecting groove is provided with an arc end. When inserting connecting block 8 to the spread groove 9 of adjacent iron core between the iron core, a plurality of iron cores all wear integratively, have improved overall structure's stability. And the connecting block 8 which is convenient for the connecting block 8 to be inserted into the groove of the connecting groove 9 of the adjacent iron core and the connecting block 8 which is convenient for the connecting groove 9 to be inserted with the adjacent iron core are arranged through the design of the arc surface and the arc end.

The implementation principle of the embodiment is as follows: when short circuit ring 4 needs to be reinforced, connecting block 8 is pulled through pulling rod 16 first, then cover block 10 is rotated, connecting portion 29 that the short circuit traded is inserted into connecting groove 9, cover block 10 is rotated back, cover block 10 is contacted with connecting portion 29, insert stabilizing block in proper order into first stable groove 11 and second stable groove 12 and play the effect of fixed cover block 10 and connecting block 8, at this moment, because stabilizing block and connecting block 8 realize relatively fixed, because connecting portion 29 and cover block 10 contact unable removal, the effect that the iron core makes short circuit ring 4 fixed connection in connecting groove 9 at the in-process of actuation has been strengthened.

The embodiments of the present invention are the preferred embodiments of the present invention, and the protection scope of the present invention is not limited by this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides an iron core for ac contactor, includes body (1), body (1) is folded including the iron core piece of a plurality of "E" shape structure and is pressed the setting and form, and every iron core piece is including a vertical portion (2) and three horizontal portion (3), horizontal portion (3) terminal surface of body (1) is equipped with short circuit ring (4), its characterized in that: short-circuit ring (4) be provided with violently paste portion (28) and with the both ends fixed connection's of violently pasting portion (28) connecting portion (29), the terminal surface of connecting portion (29) is less than the terminal surface of violently pasting portion (28), violently paste portion (28) and be located horizontal portion (3) terminal surface, the one end of horizontal portion (3) is opened there is insertion groove (5), sliding connection has insertion block (6) in insertion groove (5), there is patchhole (7) on insertion block (6), sliding connection has connecting block (8) in patchhole (7), connecting block (8) are opened towards the one end of insertion groove (5) and are supplied connecting portion (29) male spread groove (9), connecting block (8) are kept away from the one end of inserting block (6) articulates there is closure block (10), first stable groove (11) all have been opened on the both sides of connecting block (8) are close to one side of closure block (10), the two ends of the covering block (10) are provided with second stabilizing grooves (12) communicated with the first fixing grooves, and stabilizing blocks which penetrate through the first stabilizing grooves (11) and are inserted into the second stabilizing grooves (12) are inserted into the connecting blocks (8).

2. A core for an ac contactor according to claim 1, wherein: two pulling annular grooves (14) convenient for pulling the stabilizing blocks are formed in the connecting blocks (8).

3. A core for an ac contactor according to claim 1, wherein: the lid closes one end that piece (10) deviates from spread groove (9) and opens and have pulling groove (15), pulling groove (15) internal fixation is provided with pulling pole (16) that are used for the pulling lid to close piece (10), the one side that pulling pole (16) kept away from pulling groove (15) tank bottom is flushed with the up end that the lid closed piece (10).

4. The iron core for the alternating current contactor as claimed in claim 1, wherein the transverse portion (3) is provided with a control slot (17) connected with the insertion slot (5) and vertically arranged with the insertion slot (5), the control slot (17) is slidably connected with a control plate (18), a control cavity (19) is formed in the control plate (18), a control bar (20) is slidably connected with the control cavity (19), a part of the control bar (20) located in the control plate (18) physically penetrates through the control plate (18) and is flush with the outer side surface of the transverse portion (3), an inverted L-shaped slot (21) for controlling the control bar (20) to move is formed in the control plate (18), the inverted L-shaped slot comprises a vertical slot (22) and a transverse slot (23), and when the control bar (20) is located in the transverse slot (23), the control bar (20) is inserted into a control hole (24) formed in the transverse portion (3).

5. A core for an AC contactor as claimed in claim 4, wherein: one end of the control strip (20) inserted into the control hole (24) is arranged to be a spherical end.

6. A core for an AC contactor as claimed in claim 4, wherein: and a strip-shaped structure (25) is fixedly arranged at one end of the control strip (20) far away from the transverse part (3).

7. A core for an ac contactor according to claim 1, wherein: the side of vertical portion (2) is provided with contact piece (26) that are used for connecting adjacent vertical portion (2), vertical portion (2) deviate from the one end of connecting block (8) and open and have and supply adjacent contact piece (26) male contact groove (27).

8. A core for an ac contactor as claimed in claim 7, wherein: one end of the contact block (26) facing the adjacent contact groove (27) is set to be an arc surface, and the groove bottom of the connecting groove (9) is set to be an arc end.

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