CN206003704U - Auxiliary contact device and contactor assembly - Google Patents

Abstract

This utility model provides a kind of auxiliary contact device (20).Described auxiliary contact device (20) includes auxiliary contact housing (200), at least one auxiliary moving contact (202), auxiliary contact supporting mechanism (206) at least one auxiliary moving contact (202) described in Activity supporting, at least one auxiliary static contact (204), and at least one the monoblock type wire frame (208) for making electrical contact with least one auxiliary static contact (204) described, wherein said monoblock type wire frame (208) includes side joint string holes (220) and the screw top hole (222) connecting with described side joint string holes (220), described auxiliary contact device (20) also includes the wiring trip bolt (210) for being threadedly engaged described screw top hole (222).This utility model also provides a kind of contactor assembly (1).

Description

Auxiliary contact device and contactor assembly

Technical field

This utility model is related to catalyst field, more particularly, to auxiliary contact device and have connecing of this auxiliary contact device Tentaculum assembly.

Background technology

Catalyst is widely used in field of electrical equipment, be for example used for relay, in chopper or switch cubicle or and it Electrically connect.Catalyst may include catalyst housing, the electromagnetic mechanism including coil, static iron core and dynamic iron core (armature) and contact Unit, its basic functional principle is by coil electricity, thus producing electromagnetic attraction between static iron core and armature, thus makes rank Ferrum overcomes the spring force of antagonistic spring to be attracted near and finally contact static iron core, thus the contact unit of catalyst engages, Or it is contrary.

In existing catalyst, may also include auxiliary contact.For example, main contact is used for break-make main circuit, auxiliary contact For example it is used for control circuit or play electric interlock effect.Some auxiliary contacts are built in catalyst housing.But, also deposit There iing the external auxiliary contact being arranged on outside (leading) catalyst housing, this provides motility, replaceability.This external Auxiliary contact may there is a problem of take up an area space bigger than normal, be not suitable in compact mounting location.For example, taking up an area In the switch cubicle of limited space, there is constraint in the height dimension of auxiliary contact.

Therefore, exist in industry and improve auxiliary contact to save the demand taking up room.

Utility model content

This utility model aims to provide one kind and especially takes up room in terms of height less auxiliary contact device.

This utility model is also directed to a kind of contactor assembly, its can have especially take up room in terms of height less Auxiliary contact device.

According to one side of the present utility model, there is provided a kind of auxiliary contact device, described auxiliary contact device includes Auxiliary contact housing, at least one auxiliary moving contact, the auxiliary contact at least one auxiliary moving contact described in Activity supporting Supporting mechanism, at least one auxiliary static contact and for described at least one auxiliary static contact electrical contact at least one Monoblock type wire frame, wherein said monoblock type wire frame includes side joint string holes and the screw top connecting with described side joint string holes Hole, described auxiliary contact device also includes the wiring trip bolt for being threadedly engaged described screw top hole.Compared to correlation In technology by means of shim screw fasten wiring technical scheme, the technical scheme according to this utility model embodiment by means of Monoblock type wire frame, can be advantageously by wiring and at least partly, preferably all screw is limited in the envelope of wire frame, from And space shared by auxiliary contact device can be reduced and save wiring space, especially can reduce as overhead type auxiliary contact Height dimension.In a preferred embodiment, this auxiliary contact device is configured to be detachably connectable to catalyst, but it is also contemplated that May be configured to be detachably connectable to other suitable electric devices.Preferably, monoblock type wire frame for example can be by aluminium section bar Processing cutting forms, and processing technology is simple.

In a preferred embodiment, described wiring trip bolt is headless screw.This can will be most of, even complete Portion's screw is limited in the envelope of wire frame, thus reducing space shared by auxiliary contact device, such as overhead type auxiliary further Take up room on the height of contact.

In a preferred embodiment, described monoblock type wire frame also includes extending into side joint line from screw top hole The extension threaded portion in hole.Extend to the screw thread of wiring hole and the cooperation of wiring trip bolt can improve wiring in side joint string holes with Wire frame contacts, and increases contact area, improves electrical connection effect.

In a preferred embodiment, described monoblock type wire frame is have roof, diapire and a pair of sidewalls square Wire frame, wherein said screw top hole limits in described roof, and described side joint string holes is in by described roof, diapire and to be somebody's turn to do The rectangular through-hole form that offside wall limits, at least one auxiliary static contact described is configured for insertion into one end of described through hole, institute The other end stating through hole is configured to receive wiring.It will be apparent to one skilled in the art that described square inclusion square or rectangular, It is preferably square.Described rectangle is, for example, in the shape looking up from screw top hole side, and covers square or non-pros The rectangle of shape, is elongated rectangle preferably along side joint string holes, is preferably respectively provided with rectangular shape on x-y-z section.

In a preferred embodiment, described auxiliary contact device includes engaging mechanism, and described engaging mechanism includes one The thrust piece that fixing grab, contact are supported grab and be pivotally connected to described auxiliary contact housing, described thrust piece includes bullet Property deformable part and for locking abutting part.Preferably, this engaging mechanism is used for removably connecting this auxiliary contact device It is connected to catalyst.It is highly preferred that this abutting part is used for being locked to catalyst, as the convex shoulder of catalyst.

In a preferred embodiment, described auxiliary contact device is configured to overhead type auxiliary contact device.Compared to The technical scheme being fastened wiring by means of shim screw in correlation technique, according to the overhead type auxiliary of this utility model embodiment Contact apparatus can effectively reduce the height dimension of this auxiliary contact.The reduction of height dimension is in numerous installation application scenarios Extremely advantageous, such as because the height dimension being used for catalyst system in some switch cubicles is severely limited.

In a preferred embodiment, described auxiliary contact device is configured to normally closed type auxiliary contact device, described extremely A few auxiliary static contact has meander-shaped, and described meander-shaped is included for contacting at least one moving contact described Portion, for electrically connect described monoblock type wire frame bottom and connect described upper and lower connecting portion.

In a preferred embodiment, described auxiliary contact device is configured to auxiliary contact device open in usual, described extremely A few auxiliary static contact has meander-shaped, and described meander-shaped is included for contacting under at least one moving contact described Portion, for electrically connecting the top of described monoblock type wire frame and the connecting portion connecting described bottom and top.

In a preferred embodiment, described auxiliary contact device includes having the described auxiliary of a butt contact and moves and touch Head, a pair relatively described described auxiliary static contact assisting moving contact to be arranged symmetrically and a pair relatively described auxiliary moving contact are symmetrical The described monoblock type wire frame of arrangement.This embodiment provides for compact being arranged symmetrically structure.Preferably, this is to auxiliary stationary contact Head respectively has a contact point.

According to other side of the present utility model, there is provided a kind of contactor assembly, including：Catalyst, including contact Device housing, has the electromagnetic mechanism of coil, static iron core and dynamic iron core, has the contact unit of moving contact and static contact and contacts Device contact supporting mechanism；And aforesaid auxiliary contact device, wherein said probe of contactor supporting mechanism connects described auxiliary The auxiliary contact supporting mechanism of contact apparatus.

A part for other features and advantages of the utility model would is that those skilled in the art upon reading this disclosure Obvious, another part will be described in conjunction with the accompanying in specific embodiment below.

Brief description

Hereinafter, to describe embodiment of the present utility model in detail in conjunction with accompanying drawing, wherein：

Fig. 1 shows the axonometric chart of the contactor assembly according to embodiment of the present utility model；

Fig. 2 shows the plane graph of the contactor assembly according to embodiment of the present utility model；

Fig. 3 shows the decomposing schematic representation of the auxiliary contact device according to embodiment of the present utility model, wherein this auxiliary Contact apparatus are normally closed type auxiliary contact device；

Fig. 4 shows auxiliary contact according to Fig. 3 decomposing schematic representation in terms of opposite side；

Fig. 5 shows the internal structure axonometric chart of the auxiliary contact according to Fig. 3；

Fig. 6 shows the internal structure plane graph of the auxiliary contact according to Fig. 3；

Fig. 7 shows the internal structure axonometric chart of the auxiliary contact device according to another embodiment of the present utility model, its In this auxiliary contact device be auxiliary contact device open in usual；

Fig. 8 shows the schematic diagram of the meander-shaped of the static contact of auxiliary contact device open in usual being applied to Fig. 7；

Fig. 9 shows the axonometric chart of the monoblock type wire frame according to embodiment of the present utility model, wherein wiring fastening spiral shell Nail is screwed in this monoblock type wire frame；And

Figure 10 shows the plane graph of the monoblock type wire frame according to embodiment of the present utility model, wherein wiring fastening spiral shell Nail is screwed in this monoblock type wire frame；

Figure 11 shows the axonometric chart of the wiring trip bolt according to embodiment of the present utility model.

Reference numerals list：

1. catalyst 224. extends threaded portion

100. catalyst housing 226. fixes grab

102. coil 228. contact supports grab

104. static iron core 230. thrust piece

106. dynamic iron core 232. elastically deformable portion

108. moving contact 234. abutting part

110. static contacts 236,236 '. meander-shaped

112. probe of contactor supporting mechanisms 238,238 '. top

20. auxiliary contact devices 240,240 '. bottom

200. auxiliary contact housings 242,242 '. connecting portion

202. auxiliary moving contact 244. pivotal axis

204. auxiliary static contacts 246. push bar portion

206. auxiliary contact supporting mechanism 252. contact point

208. monoblock type wire frame 254. contact point

210. wiring trip bolt 256. contact point

212. engaging mechanism 258. contact point

214. roof 262. first housing section

216. diapire 264. second housing section

218. side wall 266. top-portion apertures

220. side joint string holes 268. side opening

222. screw top hole 270. spring

Specific embodiment

Description, describes the signal of contactor assembly disclosed in the utility model and its auxiliary contact device in detail Property scheme.Although providing accompanying drawing to be to assume some embodiments of the present utility model, accompanying drawing need not be by specific embodiment party The size of case is drawn, and some features can be exaggerated, remove or office is cutd open preferably to illustrate and to explain public affairs of the present utility model Open content.Partial component in accompanying drawing can carry out position adjustment on the premise of not influence technique effect according to the actual requirements.? In description, the phrase " in the accompanying drawings " occurring or similar term need not be with reference to all accompanying drawings or examples.

Hereinafter be used for describe accompanying drawing some directional terminology, such as " interior ", " outward ", " top ", " lower section " and Other directional terminology are it will accordingly be understood that be to have its normal implication and criticize those directions when often seeing accompanying drawing involved.Remove Otherwise indicated, directional terminology described in this specification is substantially according to routine direction understood by one of ordinary skill in the art.

Term " first " used in this utility model, " second " and its similar terms, in this utility model not Represent any order, quantity or importance, but for making a distinction a part with other parts.

Fig. 1 to Fig. 2 shows exemplary contactor assembly 1, including (leading) catalyst 10 be attached to this catalyst 10 Auxiliary contact device 20.In an illustrated embodiment, catalyst 10 includes (leading) catalyst housing 100, is contained in catalyst Electromagnetic mechanism in housing 100, contact unit and probe of contactor supporting mechanism 112.Electromagnetic mechanism includes coil 102, quiet Iron core 104 and the top and the vertically spaced dynamic iron core 106 that are located at static iron core 104.Contact unit includes moving contact 108 and quiet Contact 110.Probe of contactor supporting mechanism 112 is movably housed within catalyst housing 100 and is used for supporting described moving contact 108, and for example can include (leading) touch spring (sign).

Although in an illustrated embodiment, each (leading) catalyst 10 is only equipped with an auxiliary contact device 20, can To expect, each (leading) catalyst 10 arranges two or more auxiliary contact devices, and multiple contact apparatus some or complete Portion can be identical or differ, and for example some or all are normally closed type/auxiliary contact device open in usual.It is further envisioned that contact One or more of device assembly or whole auxiliary contact devices can be tactile according to the auxiliary of this utility model embodiment Head device, and it is further envisioned that can be auxiliary contact device according to this utility model embodiment with only one or part, Remaining is existing or other any auxiliary contact device, and this falls in scope of the present utility model.

In exemplary embodiment shown in Fig. 1 to Fig. 2, described auxiliary contact device 20 includes the one pole auxiliary of overhead type Contact module, it is configured to be detachably connectable to catalyst 10.Described auxiliary contact device 20 is in an illustrated embodiment A kind of auxiliary contact device of normally closed type.

With reference to Fig. 3 to Fig. 6, shown auxiliary contact device 20 includes auxiliary contact housing 200, carries a butt contact 252 auxiliary moving contact 202, the auxiliary contact supporting mechanism 206 of this auxiliary moving contact 202 of Activity supporting, a pair relatively this is auxiliary What power-assist contact 202 was arranged symmetrically assists static contact 204, connects with respect to the monoblock type that this auxiliary moving contact 202 is arranged symmetrically for a pair Wire frame 208 and the engaging mechanism 212 for auxiliary contact device 20 being detachably connectable to catalyst 10.With reference to Fig. 2, Probe of contactor supporting mechanism 112 operation of (leading) catalyst 10 connects the auxiliary contact supporting mechanism of auxiliary contact device 20 206.

With continued reference to Fig. 3 to Fig. 6, this respectively has a contact point 254 to static contact 204.When catalyst works, move and touch 202 butt contact 252 normally closed type ground contacts this respective contact point 254 to static contact 204, and because auxiliary is touched Head supporting mechanism 206 linkedly connects to the probe of contactor supporting mechanism 112 of (leading) catalyst 10, in response to (leading) catalyst Operation, when dynamic/static contact in (leading) catalyst disconnects, the dynamic/static contact of auxiliary contact device 20 correspondingly disconnects.

It will be understood by those skilled in the art that the quantity of the quantity of auxiliary moving contact 202 and its contact, auxiliary static contact The quantity of 204 quantity and its quantity of contact and monoblock type wire frame 208 can select other numbers as needed, for example One or more.And dynamic/static contact and its contact point can have any suitable shape, position, material as needed.

Fig. 5 and Fig. 6 shows and a part for auxiliary contact housing 200 is dismantled the internal structure schematic diagram exposed afterwards. As illustrated, auxiliary moving contact 202 is supported by the spring 270 of auxiliary contact supporting mechanism 206 and support (sign), thus Auxiliary moving contact 202 is movably supported in auxiliary contact device 20.Embodiment in shown auxiliary contact device 20 In, auxiliary static contact 204 has meander-shaped 236, and this meander-shaped 236 includes the top for contact auxiliary moving contact 202 238 (as tip sides), for for example the bottom of monoblock type wire frame 208 being electrically connected by one end of insertion side wiring hole 220 240 (as terminals) and the connecting portion 242 connecting this top 238 and bottom 240.The other end of side joint string holes 220 is used for connecing Receive wiring.In an illustrated embodiment, 254 tops 238 in described meander-shaped 236 of contact point of static contact 204 are assisted, It is specially the bottom side on top 238.Correspondingly and as previously mentioned, moving contact 202 is assisted can to have on two ends, in shown reality Apply the contact point 252 being located at top side in example.

In conjunction with reference to Fig. 3-6 and Fig. 9-10, monoblock type wire frame 208 has the side joint string holes engaging auxiliary static contact 204 220 (or passages) and for engaging wiring trip bolt 210 and the screw top hole 222 being connected with side joint string holes 220.Knot Close with reference to Fig. 9 and Figure 10, it illustrates the monoblock type wire frame 208 being configured to square wire frame, has roof 214th, diapire 216 and a pair of sidewalls 218.Described screw top hole 222 is limited in roof 214.Roof 214, diapire 216 and The rectangular through-hole limiting between this offside wall 218 constitutes described side joint string holes 220.As shown in Figure 9 and Figure 10, wiring fastening Screw 210 (Figure 11), such as headless screw are screwed in this screw top hole 222 to compress wiring (not shown) in auxiliary stationary contact On head (static contact terminals).Preferably, monoblock type wire frame 208 is additionally provided with and extends to side joint string holes from screw top hole 222 220 extension threaded portion 224, is matched with wiring trip bolt 210, so that wiring is closely connect with auxiliary static contact 204 further Touch.Open by means of the closing of the roof of monoblock type wire frame, diapire and side wall and in end, had according to the wire frame of the present embodiment The terminals of wiring and static contact are limited in the envelope of this wire frame on profit ground, specifically in this side joint string holes envelope Interior, occupation of land space, especially height dimension can be effectively reduced.Advantageously, monoblock type wire frame combines above-mentioned headless screw, Can by being largely or entirely limited in the inclusion of wire frame of screw, specifically in this screw top hole (and possibly Side joint string holes) envelope in, can effectively reduce occupation of land space, especially height dimension.In an illustrated embodiment, shown nothing Head screw has axially upper basically identical overall cylinder size (for example except the importing inclined-plane of end), and preferably, should Headless screw can have part and preferably whole threaded portion (screw thread is removed in fig. 11) on axial length.

Square wire frame can form via aluminium section bar processing cutting, process is simple and cost is relatively low.People in the art Member is appreciated that monoblock type wire frame 208 and the concrete shape of side joint string holes 220 can be adjusted according to actual needs, For example it is rectangle or other wire frame of suitable shape and/or the side joint string holes of square or other suitable shape, each fall within Protection domain of the present utility model.

Refer again to Fig. 5 and Fig. 6, engaging mechanism 212 includes a pair fixing grab 226, contact supports grab 228 and can pivot Turn ground to connect to the thrust piece 230 of auxiliary contact housing 200.Thrust piece 230 has the pivot connecting to auxiliary contact housing 200 Axle 244 and around pivotal axis 244 pivotable lever part, lever piece has integral part of pushing bar portion 246, elastically deformable portion 232 and abutting part 234.The free end in elastically deformable portion 232 abuts auxiliary contact housing 200.Thus, in fixing grab 226 When snapping fit onto on catalyst 10, the convex shoulder 134 on abutting part 234 abutting contact device housing 100 or groove, thus produce wedging Locking effect is disengaged with catalyst 10 with preventing auxiliary contact device 20.And work as and wish that auxiliary contact device 20 is taken off with catalyst 10 From when, can by one direction for example figure shown in push down on this pushing bar portion 246, overcome elastically deformable portion 232 Flexural force so that it is bent so that thrust piece 230 pivots, make abutting part 234 leave the convex shoulder on catalyst housing 100 134 or groove, thus unlocking to allow auxiliary contact device 20 and catalyst 10 to disengage (in for example by showing to Fig. 2 Right side is mobile).

As shown in Figure 3 and Figure 4, auxiliary contact housing 200 includes dismountable two parts, such as the first housing parts 262 He Second housing parts 264, a part of (as the first housing parts 262) have raised ribs, and another part is (as the second housing parts 264) there is the groove matching therewith, fixed by buckle or other detachable fastener meanses, such as rivet between raised ribs and groove. In an illustrated embodiment, described auxiliary contact housing 200 or this first and/or second housing parts may include for accommodating The cavity (sign) of for example square wire frame, and preferably may include housing (interior) wall limiting described cavity, such as housing (interior) Diapire, (interior) roof and/or (interior) side wall (sign).In an illustrated embodiment, described auxiliary contact housing 200 also can wrap Include the top-portion apertures 266 in respective screw top hole 222 for this docking wire frame 208 and be used for the respective of this docking wire frame 208 Side joint string holes 220 side opening 268.In an illustrated embodiment, top-portion apertures 266 can have circle, and its shape corresponds to top Screwed hole 222 and size are more than this screw top hole to allow the screw-in of screw, but it is contemplated that other shapes or construction, such as big In the rectangle of screwed hole size, ellipse, star or other shapes, or there are no top-portion apertures, but allow screw tapping shape Pore-forming.In an illustrated embodiment, side opening 268 can have rectangle, and its shape corresponds to side joint string holes 220 and size is more than this side Wiring hole 220 is to allow to insert wiring, but it is contemplated that other shapes or construction, such as larger than side joint string holes size is circular, ellipse Circular, star or other shapes, or the side of housing is unlimited, or the side of housing has removable portion to allow Insertion wiring.

With reference to Fig. 7 and Fig. 8, described auxiliary contact device 20 includes the one pole auxiliary contactor module of overhead type, and it is configured to It is detachably connectable to catalyst 10.In an illustrated embodiment, described auxiliary contact device 20 is a kind of auxiliary open in usual Contact apparatus.This auxiliary contact device open in usual in the embodiment shown is touched with the normally closed type auxiliary of Fig. 3-6 illustrated embodiment The construction differring primarily in that auxiliary dynamic/static contact of head device, especially assists the meander-shaped of static contact 204.In this enforcement In this auxiliary contact device open in usual of example, auxiliary static contact 204 has meander-shaped 236 ', and this meander-shaped 236 ' includes using In the top 238 ' (as terminals), the use that for example electrically connect monoblock type wire frame 208 by one end of insertion side wiring hole 220 Bottom 240 ' (as tip side) and the connecting portion connecting this top 238 ' and bottom 240 ' in contact auxiliary moving contact 202 242’.As shown in fig. 7, moving contact 202 includes the butt contact 256 positioned at two ends bottom side.Correspondingly and as shown in figure 8, one The contact point 258 of static contact 204 is distinguished on the bottom 240 ' of position meander-shaped 236 ' to static contact 204 at this, shown Embodiment on the top side of bottom 240 '.Thus, top 238 ' is used for inserting the side joint string holes of monoblock type wire frame 208 To form electrical connection in 220, bottom 240 ' is used for contact auxiliary moving contact 202, connecting portion 242 ' be connected to top 238 ' and under Between portion 240 '.

It should be understood that although this specification is according to the description of each embodiment, but not each embodiment only comprises one Individual independent technical scheme, only for clarity, those skilled in the art should will say this narrating mode of description , as an entirety, the technical scheme in each embodiment can also be combined for bright book, formed it will be appreciated by those skilled in the art that Other embodiment.

The foregoing is only the schematic specific embodiment of this utility model, be not limited to model of the present utility model Enclose.On the premise of without departing from design of the present utility model and principle, equivalent variations that those skilled in the art can make, modification With combination, the scope of this utility model protection all should be belonged to.

Claims (10)

1. a kind of auxiliary contact device (20), is characterized in that, described auxiliary contact device (20) includes auxiliary contact housing (200), at least one auxiliary moving contact (202), the auxiliary at least one auxiliary moving contact (202) described in Activity supporting are touched Head supporting mechanism (206), at least one auxiliary static contact (204) and for and described at least one auxiliary static contact (204) At least one monoblock type wire frame (208) of electrical contact, wherein said monoblock type wire frame (208) includes side joint string holes (220) And the screw top hole (222) connecting with described side joint string holes (220), described auxiliary contact device (20) also includes for spiral shell Stricture of vagina engages the wiring trip bolt (210) of described screw top hole (222).

2. auxiliary contact device (20) according to claim 1, is characterized in that, described wiring trip bolt (210) is no Head screw.

3. auxiliary contact device (20) according to claim 1, is characterized in that, described monoblock type wire frame (208) is also wrapped Include the extension threaded portion (224) extending into side joint string holes (220) from screw top hole (222).

4. auxiliary contact device (20) according to claim 1, is characterized in that, described monoblock type wire frame (208) is tool There is the square wire frame of roof (214), diapire (216) and a pair of sidewalls (218), wherein said screw top hole (222) is in institute State in roof (214) and limit, described side joint string holes (220) is in by described roof (214), diapire (216) and this offside wall (218) the rectangular through-hole form limiting, at least one auxiliary static contact (204) described is configured for insertion into described side joint string holes (220) one end, the other end of described side joint string holes (220) is configured to receive wiring.

5. auxiliary contact device (20) according to claim 1, is characterized in that, described auxiliary contact device (20) includes connecing Close mechanism (212), described engaging mechanism (212) includes a pair fixing grab (226), contact and supports grab (228) and the company of pivot Be connected to the thrust piece (230) of described auxiliary contact housing (200), described thrust piece (230) include elastically deformable portion (232) and Abutting part (234) for locking.

6. auxiliary contact device (20) according to claim 1, is characterized in that, described auxiliary contact device (20) is configured to Overhead type auxiliary contact device.

7. auxiliary contact device (20) according to claim 1, is characterized in that, described auxiliary contact device (20) is configured to Normally closed type auxiliary contact device, at least one auxiliary static contact (204) described has meander-shaped (236), described meander-shaped (236) include for contact at least one auxiliary moving contact (202) described top (238), be used for electrically connecting described monoblock type The bottom (240) of wire frame (208) and the connecting portion (242) connecting described top (238) and bottom (240).

8. auxiliary contact device (20) according to claim 1, is characterized in that, described auxiliary contact device (20) is configured to Auxiliary contact device open in usual, at least one auxiliary static contact (204) described has meander-shaped (236 '), described meander-shaped (236 ') include for contact at least one auxiliary moving contact (202) described bottom (240 '), be used for electrically connecting described entirety The top (238 ') of formula wire frame (208) and the connecting portion (242 ') connecting described bottom (240 ') and top (238 ').

9. auxiliary contact device (20) according to any one of claim 1 to 8, is characterized in that, described auxiliary contact dress Put (20) and include having the described auxiliary moving contact (202) of a butt contact, a pair relatively described auxiliary moving contact (202) symmetrically The described monoblock type that described auxiliary static contact (204) described auxiliary moving contact (202) relative with a pair of arrangement is arranged symmetrically connects Wire frame (208).

10. a kind of contactor assembly (1), is characterized in that, including：

Catalyst (10), including：Catalyst housing (100), has coil (102), static iron core (104) and dynamic iron core (106) Electromagnetic mechanism, has contact unit and the probe of contactor supporting mechanism (112) of moving contact (108) and static contact (110)；With And

Auxiliary contact device (20) according to any one of claim 1 to 9, wherein said probe of contactor supporting mechanism (112) connect the auxiliary contact supporting mechanism (206) of described auxiliary contact device (20).