CN207587651U - A kind of DC electromagnetic type contactor - Google Patents

Abstract

The utility model discloses a kind of DC electromagnetic type contactors, and contact is unlikely to be burnt, stable and reliable for performance.Equipped with the magnetic system being made of sucking coil and yoke on bottom plate, the sucking coil center is equipped with static iron core, is integrated with bottom plate riveting, insulating base is installed in the yoke, there are two static contacts for dress on insulating base, and two binding posts are drawn from both sides respectively by the static contact；The top of corresponding static iron core is equipped with dynamic iron core below moving contact support component, small round platform is projected above, corresponding moving contact support component bottom is equipped with T-shape slot, and be sleeved on the dynamic iron core in the T-shape slot by the small round platform is connected with each other with the moving contact support component；The left and right sides is symmetrical arranged circular through hole in the insulating base, and cylindrical arc blow-out magnet is housed in the through-hole.

Description

A kind of DC electromagnetic type contactor

Technical field

The utility model is related to the control element of circuit system more particularly to DC electromagnetic type contactors.

Background technology

DC electromagnetic type contactor is the control element in DC circuit, be mainly used for dc motor Fraquent start, Disjunction in dynamic, it can also be used to remote to connect and disjunction DC circuit.Utility model patent " DC electromagnetic type contactor " （201420192942.X）Compared with previous similar product, have that type is small, capacity is big, contact is unlikely to be burnt, performance is stablized Advantage, but there is also some areas for improvement, such as：Its arc quenching method is blowout coil arc extinguishing, utilizes blowout coil, iron Core, magnetic clutch plate carry out arc blow-out, and shortcoming is when main circuit current is too small, and the electric power that blowout coil generates is too small, is not suitable for dividing Disconnected low current；Dynamic iron core and moving contact support component are rigid connection, and one of moving contact connects when may result in closure The corresponding static contact contact in contact is not sturdy unreliable, and contact has the potential danger burnt.

Utility model content

In view of the deficiencies of the prior art, the technical problem to be solved by the utility model is to provide a kind of DC electromagnetic types to connect Tentaculum, contact are unlikely to be burnt, stable and reliable for performance.

The utility model is using the basic conception of technical solution：A kind of DC electromagnetic type contactor, be equipped on bottom plate by The magnetic system of sucking coil and yoke composition, the sucking coil center are equipped with static iron core, are integrated with bottom plate riveting, institute It states and insulating base is installed in yoke, there are two static contacts for dress on insulating base, and two are drawn from both sides respectively by the static contact Binding post, movable contact system is by moving contact support component, moving contact and guide post group into loaded on contactor central upper, moving and touch The top of corresponding static iron core is equipped with dynamic iron core below head supporting assembly, equipped with two pairs of arc electrodes on moving contact, on insulating base Arc quenching system is installed, arc quenching system is made of arc-extinguish chamber and arc-chute, and the dynamic iron core has projected above small round platform, corresponding Moving contact support component bottom is equipped with T-shape slot, and the dynamic iron core and institute in the T-shape slot are sleeved on by the small round platform State moving contact support component interconnection；The left and right sides is symmetrical arranged circular through hole in the insulating base, is equipped in the through-hole Cylindrical arc blow-out magnet.

The beneficial effects of the utility model are that the small round platform in dynamic iron core is sleeved in the T-shape slot of moving contact support component, So that dynamic iron core is flexibly connected with moving contact support component, moving contact support component can moderately be swung, and mounted thereto is dynamic Contact just can automatic adjusument, the corresponding static contact of two contact points of moving contact can contact very when being closed It is closely knit very reliable, prevent contact burning.Simultaneously compared with existing blowout coil formula arc-control device, because using permanent magnet arc blow-out magnetic Iron, no pyrotoxin, and with long lifespan, that small, compact-sized, shock resistance is strong, light-weight, permanent magnet replaces simplicity etc. is excellent Point wastes so as to greatly reduce manufacture cost with assembling.

Description of the drawings

Fig. 1 is a kind of structure chart of DC electromagnetic type contactor；

Fig. 2 is the structure chart of movable contact system.

In figure：1-bottom plate；2-magnetic system；3-insulating base；4-arc-extinguish chamber；5-arc electrode I；6-moving contact； 7-arc electrode II；8-binding post II；9-arc blow-out magnet；10-sucking coil；11-static iron core；12-yoke；13-quiet Contact；14-binding post I；15-moving contact support component；16-dynamic iron core；17-small round platform；18-T-shape slot；19-lead To bar.

Specific embodiment

As shown in Figure 1 and Figure 2, a kind of DC electromagnetic type contactor is equipped with by 12 groups of sucking coil 10 and yoke on bottom plate 1 Into magnetic system 2, the center of sucking coil 10 is integrated with the riveting of bottom plate 1 equipped with static iron core 11, insulating base is installed in yoke 12 3, there are two static contacts 13 for dress on insulating base 3, and binding post II 8, binding post I 14 are drawn from both sides respectively by the static contact. Movable contact system is made of moving contact support component 15, moving contact 6 and guide rod 19, loaded on this contactor central upper, is moved and is touched The top of the corresponding static iron core 11 in 15 lower section of head supporting assembly is equipped with dynamic iron core 16.Arc electrode I 5 and striking are housed on moving contact 6 Electrode II 7 installs arc quenching system on insulating base 3, and arc quenching system is made of arc-extinguish chamber 4 and arc-chute, 4 top center of arc-extinguish chamber Position is equipped with the through-hole being pierced by for guide rod 19.Dynamic iron core 16 has projected above small round platform 17, and corresponding moving contact is supported 15 bottom of component is equipped with T-shape slot 18, and dynamic iron core 16 and moving contact support group in T-shape slot 18 are sleeved on by small round platform 17 Part 15 is connected with each other；The left and right sides is symmetrical arranged circular through hole in insulating base 3, and cylindrical arc blow-out magnet 9 is housed in the through-hole, Magnetic conductive board is housed with two sides before and after its mating contactor.

The utility model can complete the connection and disjunction between binding post II 8, binding post I 14.Since product type is small, holds Amount is big, is the preferred product of all kinds of electric urban buses of new energy, sanitation cart, scenic spot tourist coach.

Claims (1)

1. a kind of DC electromagnetic type contactor, equipped with the magnetic system being made of sucking coil and yoke, the attraction line on bottom plate Circle center is integrated with bottom plate riveting equipped with static iron core, insulating base is installed in the yoke, two are equipped on insulating base A static contact draws two binding posts from both sides respectively by the static contact, movable contact system by moving contact support component, dynamic touch Head and guide post group are into loaded on contactor central upper, the top of corresponding static iron core is equipped with dynamic iron below moving contact support component Core equipped with two pairs of arc electrodes on moving contact, installs arc quenching system, arc quenching system is by arc-extinguish chamber and arc-chute structure on insulating base Into, which is characterized in that the dynamic iron core has projected above small round platform, and corresponding moving contact support component bottom is equipped with T-shape Slot is sleeved on the dynamic iron core in the T-shape slot by the small round platform and is connected with each other with the moving contact support component；Institute It states the left and right sides in insulating base and is symmetrical arranged circular through hole, cylindrical arc blow-out magnet is housed in the through-hole.