CN210120086U - Coil rack of alternating current contactor - Google Patents

Abstract

The utility model provides an ac contactor's coil former, which comprises a fixing plate and i, the locating piece, right splint, the lead screw, insulating slipmat, guide bar and expanding spring, the laminating of coil body annular side right side has insulating slipmat, insulating slipmat right-hand member face is connected with right splint, right splint internal connection has the lead screw, the locating piece is installed to right splint downside, the terminal surface is connected with the fixed plate under the locating piece, expanding spring is installed to fixed plate up end intermediate position, the guide bar is installed in the expanding spring left side, this design has solved original coil and has not prevented the problem of skew structure, the utility model discloses rational in infrastructure, it is effectual to prevent the skew, avoids the coil to take place the skew when the circular telegram.

Description

Coil rack of alternating current contactor

Technical Field

The utility model relates to a coil former of AC contactor belongs to AC contactor technical field.

Background

The working principle of the alternating current contactor is that the contact is connected and disconnected by matching electromagnetic force with the elastic force of a spring. The alternating current contactor has two working states, namely a power-off state and a power-on state. When the attraction coil is electrified, the static iron core generates electromagnetic attraction force, the armature is attracted, and the connecting rod connected with the armature drives the contact to act, so that the normally closed contact breaking contactor is in an electrified state; when the attraction coil is powered off, the electromagnetic attraction force disappears, the armature is reopened, the normally open contact is closed, the normally open contact is released under the action of the position spring, all the contacts reset accordingly, and the contactor is in a power-off state.

Alternating current contactor coil most of the time install on the base in the past, lead to the coil to take place to squint easily, influence the coil circular telegram and produce the electromagnetic force, and traditional coil former does not prevent skew structure, can not effectual fix the coil when the coil takes place to control the migration, and the problem that the aforesaid appears is solved to alternating current contactor's coil former that now urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an ac contactor's coil former to solve the problem that proposes in the above-mentioned background art, the utility model discloses convenient to use is convenient for adjust, and the convenience is adjusted fixedly to the arc-extinguish chamber.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a coil rack of AC contactor comprises an anti-shift mechanism, an AC contactor body, a coil body, an iron core and a fixed seat, a coil body is arranged at the lower side in the alternating current contactor body, an iron core is arranged at the middle position in the coil body, the surface of the coil body is provided with an anti-deflection mechanism, the lower end surface of the alternating current contactor body is connected with a fixed seat, the anti-deviation mechanism comprises a fixed plate, a positioning block, a right clamping plate, a screw rod, an insulating anti-slip pad, a guide rod and a telescopic spring, the right side of the annular side surface of the coil body is adhered with an insulating anti-skid pad, the right end surface of the insulating anti-skid pad is connected with a right clamping plate, a screw rod is connected inside the right clamping plate, a positioning block is arranged at the lower side of the right clamping plate, a fixing plate is connected with the lower end surface of the positioning block, an extension spring is installed in the middle of the upper end face of the fixing plate, and a guide rod is installed on the left side of the extension spring.

In one embodiment, the upper end surfaces of the guide rods are connected with an insulating bottom plate, two groups of guide rods are installed, and the two groups of guide rods are of a structure capable of moving up and down.

In one embodiment, a tightening nut is meshed on the right side of the annular side face of the screw rod, a gasket is attached to the left end face of the tightening nut, and a left clamping plate is attached to the left side of the annular side face of the screw rod.

In one embodiment, the fixing plate is provided with through holes symmetrically formed in the left side and the right side inside, and the fixing plate is connected and fixed with the fixing seat through an external screw rod.

In one embodiment, a connecting block is installed on the lower end face of the right clamping plate, and a connecting bolt is attached to the right end face of the positioning block.

In one embodiment, the coil body and the iron core are fixed through clamping connection.

The utility model has the advantages that: the utility model discloses an ac contactor's coil former, because of the utility model discloses added fixed plate, locating piece, right splint, lead screw, insulating slipmat, guide bar and expanding spring, this design prevents that the coil circular telegram from producing the skew when inhaling, and this design has solved original coil and has not prevented the problem of skew structure, has improved the utility model discloses a prevent the skew effect.

Because of the guide bar up end is connected with insulating bottom plate, two sets of are installed to the guide bar, and two sets of guide bars are for reciprocating the structure, and the skew about the effectual coil body of avoiding of guide bar, because of the through-hole has been seted up to the inside left and right sides symmetry of fixed plate, the fixed plate is connected fixedly through external screw rod with the fixing base, should design convenient for be connected fixedly between fixed plate and the fixing base, because of coil body and iron core are connected fixedly through clamping, this design improves and is connected the fixity between coil body and the iron core, the utility model discloses rational in infrastructure, prevent that the skew is effectual, avoid the coil to take place the skew when the.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a plan view of a bobbin of an ac contactor according to the present invention;

fig. 2 is a front sectional view of an anti-shift mechanism in a bobbin of an ac contactor according to the present invention;

fig. 3 is a top sectional view of an anti-shift mechanism in a bobbin of an ac contactor according to the present invention;

in the figure: 1-deviation prevention mechanism, 2-alternating current contactor body, 3-coil body, 4-iron core, 5-fixed seat, 11-fixed plate, 12-positioning block, 13-right clamping plate, 14-lead screw, 15-insulating anti-slip pad, 16-guide rod, 17-expansion spring, 111-through hole, 121-connecting bolt, 131-left clamping plate, 132-connecting block, 141-tightening nut, 142-gasket and 161-insulating bottom plate.

Detailed Description

Before the embodiments are described in detail, it is to be understood that the invention is not limited in its application to the details of construction and the arrangements of components set forth in the following description or illustrated in the drawings. The utility model discloses can be the embodiment that other modes realized. Also, it is to be understood that the phraseology and terminology used herein is for the purpose of description and should not be regarded as limiting. The use of "including," "comprising," "having," and the like, herein is meant to encompass the items listed thereafter and equivalents thereof as well as additional items. In particular, when "a certain element" is described, the present invention is not limited to the number of the element being one, and may include a plurality of the elements.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an alternating current contactor's coil former, includes anti-migration mechanism 1, alternating current contactor body 2, coil body 3, iron core 4 and fixing base 5, and coil body 3 is installed to the inside downside of alternating current contactor body 2, and iron core 4 is installed to the inside intermediate position of coil body 3, and 3 surfaces of coil body are provided with anti-migration mechanism 1, and the terminal surface is connected with fixing base 5 under the alternating current contactor body 2.

Prevent excursion mechanism 1 includes fixed plate 11, locating piece 12, right splint 13, the lead screw 14, insulating slipmat 15, guide bar 16 and expanding spring 17, the laminating of 3 annular side right sides of coil body has insulating slipmat 15, insulating slipmat 15 right-hand member face is connected with right splint 13, right splint 13 internal connection has lead screw 14, locating piece 12 is installed to right splint 13 downside, the terminal surface is connected with fixed plate 11 under the locating piece 12, expanding spring 17 is installed to 11 up end intermediate positions of fixed plate, guide bar 16 is installed in expanding spring 17 left side, the problem of original coil does not prevent the excursion structure has been solved in this design.

The upper end surface of the guide rod 16 is connected with an insulating bottom plate 161, two groups of guide rods 16 are arranged on the guide rods 16, the two groups of guide rods 16 are of a structure capable of moving up and down, the guide rods 16 effectively avoid the left and right deviation of the coil body 3, the right side of the annular side surface of the lead screw 14 is engaged with a tightening nut 141, the left end surface of the tightening nut 141 is attached with a gasket 142, the left side of the annular side surface of the lead screw 14 is attached with a left clamping plate 131, the design improves the fixity of the lead screw 14, the left and right sides inside the fixed plate 11 are symmetrically provided with through holes 111, the fixed plate 11 is fixedly connected with the fixed seat 5 through an external screw rod, the design facilitates the connection between the fixed plate 11 and the fixed seat 5, the lower end surface of the right clamping plate 13 is provided with a connecting block 132, the right end surface, this design improves the connection fixity between the coil body 3 and the iron core 4.

The specific implementation mode is as follows: firstly, an assembling person clamps the iron core 4 to the middle position inside the coil body 3, the lower end face of the coil body 3 is attached to the upper end face of the insulating bottom plate 161, the left clamping plate 131 and the right clamping plate 13 are connected through the lead screw 14, the coil is clamped and fixed through the left clamping plate 131 and the right clamping plate 13 by screwing the nut 141, the connecting block 132 and the positioning block 12 are connected and fixed through the connecting bolt 121, the coil body 3 is connected with the external wiring terminal on the alternating current contactor body 2 through a lead wire, the coil body 3 is placed at the reserved position on the lower side inside the alternating current contactor body 2, the fixing plate 11 and the fixing seat 5 are connected and fixed through the through hole 111 by the external screw rod, and due to the fact that the guide rod 16 and the expansion spring 17 are installed, the guidance of the coil.

The concepts described herein may be embodied in other forms without departing from the spirit or characteristics thereof. The particular embodiments disclosed should be considered illustrative rather than limiting. The scope of the invention is, therefore, indicated by the appended claims rather than by the foregoing description. Any changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims (6)

1. The utility model provides an ac contactor's coil former, includes prevents excursion mechanism, ac contactor body, coil body, iron core and fixing base, its characterized in that: a coil body is arranged on the lower side in the alternating current contactor body, an iron core is arranged in the middle in the coil body, an anti-deflection mechanism is arranged on the surface of the coil body, and a fixed seat is connected to the lower end face of the alternating current contactor body;

prevent excursion mechanism includes fixed plate, locating piece, right splint, lead screw, insulating slipmat, guide bar and expanding spring, the laminating of coil body annular side right side has insulating slipmat, insulating slipmat right-hand member face is connected with right splint, right splint internal connection has the lead screw, the locating piece is installed to right splint downside, the terminal surface is connected with the fixed plate under the locating piece, expanding spring is installed to fixed plate up end intermediate position, the guide bar is installed in the expanding spring left side.

2. A bobbin of an ac contactor according to claim 1, wherein: the utility model discloses a lead frame, including guide bar, insulating bottom plate, two sets of guide bar are installed to the guide bar up end, two sets of guide bar are installed, and two sets of guide bar are for can reciprocate the structure.

3. A bobbin of an ac contactor according to claim 1, wherein: the right side of the annular side face of the screw rod is meshed with a screwing nut, the left end face of the screwing nut is attached to a gasket, and the left side of the annular side face of the screw rod is attached to a left clamping plate.

4. A bobbin of an ac contactor according to claim 1, wherein: the through holes are symmetrically formed in the left side and the right side of the inner portion of the fixing plate, and the fixing plate is connected and fixed with the fixing base through an external screw rod.

5. A bobbin of an ac contactor according to claim 1, wherein: the connecting block is installed to right side splint lower extreme face, the laminating of locating piece right-hand member face has connecting bolt.

6. A bobbin of an ac contactor according to claim 1, wherein: the coil body is connected and fixed with the iron core through clamping.

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