CN208240599U - A kind of energy conservation plastic casing breaker - Google Patents

Abstract

The utility model discloses a kind of energy saving plastic casing breakers, including breaker body, breaker body upper surface middle part offers limited mouth, driving shaft is provided in limited mouth, driving shaft upper surface is fixedly installed with push plate, and sliding shoe is movably fastened by protruding tapered limit plate with tapered limiting slot, and breaker body inner bottom surface is fixedly installed with arc-control device, arc-control device is cylinder structure, and arc-control device is made of ceramic tube and contact tube.The utility model increases the height of push plate by sliding shoe, push plate can be pulled in labour-saving very much at this time, it closes unlatching breaker for the small personnel of strength to provide convenience, arc-control device is arranged to tubulose, and arc-control device is made of ceramic tube and contact tube, contact tube is arranged in ceramic tube inside, arc-control device small volume, can significantly breaker production volume, saved production energy consumption, energy conservation and environmental protection, while improving arc quenching effect.

Description

A kind of energy conservation plastic casing breaker

Technical field

The utility model relates to breaker technical fields, more specifically, in particular to a kind of energy saving plastic casing breaker.

Background technique

Existing breaker when in use, must pull the push plate on its surface first, and since push plate height is shorter, strength is small Personnel, which pull, to be caused high effort for, and existing breaker is generally square type due to arc-chutes, and the production of breaker needs full The shell of sufficient arc-chutes, causes the increase of production, and arc quenching effect is also less ideal.For this purpose, it is proposed that a kind of energy-saving Breaker of plastic casing solves the above problems.

Utility model content

The purpose of this utility model is to provide a kind of energy saving plastic casing breakers.

In order to achieve the above object, the technical solution adopted in the utility model is as follows: a kind of energy conservation plastic casing breaker, packet Breaker body is included, the breaker body upper surface middle part offers limited mouth, and driving shaft, the master are provided in limited mouth Moving axis is fixedly connected with tripping mechanism inside breaker body, and the tripping mechanism lower end is fixedly connected with moving contact, described Moving contact end side is provided with static contact inside breaker body, the driving shaft upper surface is fixedly installed with push plate, institute It states push plate both side surface and longitudinally offers tapered limiting slot, push plate upper surface longitudinally offers ladder type card slot, and table in push plate Face is provided with sliding shoe, and the sliding shoe lower surface offers sliding slot, it is tapered that protrusion is provided in the middle part of the sliding slot two sidewalls Limit plate, the sliding shoe is movably fastened by protruding tapered limit plate with tapered limiting slot, and sliding shoe upper surface middle part is vertical To the protrusion ladder type snap-gauge for being fixedly installed integral structure, the breaker body inner bottom surface is fixedly installed with interrupter cartridge It sets, the arc-control device is cylinder structure, and arc-control device is made of ceramic tube and contact tube, and the contact tube is arranged in ceramic tube Inside, ceramic tube end side surface are uniformly provided with multiple groups air hole, and air hole is run through inside contact tube, the pottery Porcelain tube upper surface is provided with static conductive rod close to static contact side, and the static conductive rod lower end is fixedly installed with threaded post, described Threaded post fixation is inserted in contact tube, is fixedly installed with conductive jack-post in threaded post side inside the contact tube, described to lead The uniform fixing sleeve in electric axis column surface is equipped with the ring-like cutting plate of multiple groups, and the contact tube interior surface is uniformly provided with multiple groups internal screw thread Slot.

Preferably, the internal thread groove opens up at self-conductive jack-post to air hole in contact tube.

Preferably, the static conductive rod is set to immediately below static contact.

Compared with the prior art, the advantages of the utility model are:

1, push plate both side surface longitudinally offers tapered limiting slot, and push plate upper surface longitudinally offers ladder type card slot, sliding Motion block is movably fastened by protruding tapered limit plate with tapered limiting slot, and motion block upper surface middle part is longitudinally fixed is provided with one The protrusion ladder type snap-gauge of structure makes when the utility model is used, sliding shoe is passed through protrusion from plate surfaces release sliding shoe Ladder type snap-gauge engages with the ladder type card slot of push plate, increases the height of push plate by sliding shoe, can pull labour-saving very much at this time Push plate is closed unlatching breaker for the small personnel of strength and is provided convenience；

2, ceramic tube end side surface is uniformly provided with multiple groups air hole, and static conductive rod lower end is fixedly installed with threaded post, The conductive uniform fixing sleeve in jack-post surface is equipped with the ring-like cutting plate of multiple groups, and contact tube interior surface is uniformly provided with multiple groups internal screw thread Slot makes when the utility model is used, breaker is when overload or short-circuit protection disconnects, and moving contact leaves static contact and generates electricity Arc, electric arc can be attracted by static conductive rod, is then introduced into contact tube by threaded post, and threaded post being capable of segmentation portion first Electric arc is managed, the electric arc then weakened is split arc extinguishing by the ring-like cutting plate on conductive jack-post surface, and remaining electric arc passes through The internal thread groove of conductive pipe internal surface continues to divide arc extinguishing, until being fully finished arc extinguishing, the utility model arc-control device is arranged to tubulose, Small volume, can significantly breaker production volume, saved production energy consumption, energy conservation and environmental protection, at the same improve arc extinguishing effect Fruit.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is a kind of structure chart of energy saving plastic casing breaker of the utility model.

Fig. 2 is structure enlargement diagram at A in Fig. 1；

Fig. 3 is structure enlargement diagram at B in Fig. 1.

In figure: 1 breaker body, 2 driving shafts, 3 tripping mechanisms, 4 moving contacts, 5 push plates, 6 tapered limiting slots, 7 ladder type cards Slot, 8 sliding shoes, 9 protrusion ladder type snap-gauges, the tapered limit plate of 10 protrusions, 11 static contacts, 12 ceramic tubes, 13 contact tubes, 14 are breathed freely Hole, 15 static conductive rods, 16 threaded posts, 17 conductive jack-posts, 18 ring-like cutting plates, 19 internal thread grooves.

Specific embodiment

The preferred embodiment of the utility model is described in detail with reference to the accompanying drawing, so that the advantages of the utility model It can be easier to be readily appreciated by one skilled in the art with feature, to make the protection scope of the utility model apparent clear Define.

Refering to fig. 1, shown in Fig. 2 and Fig. 3, the utility model provides a kind of energy saving plastic casing breaker, including breaker sheet Body 1,1 upper surface middle part of breaker body offer limited mouth, driving shaft 2 are provided in limited mouth, driving shaft 2 is in breaker sheet Tripping mechanism 3 is fixedly connected with inside body 1,3 lower end of tripping mechanism is fixedly connected with moving contact 4, is moving inside breaker body 1 4 end side of contact is provided with static contact 11, and 2 upper surface of driving shaft is fixedly installed with push plate 5, and 5 both side surface of push plate is longitudinal Tapered limiting slot 6 is offered, 5 upper surface of push plate longitudinally offers ladder type card slot 7, and 5 upper surface of push plate is provided with sliding shoe 8, 8 lower surface of sliding shoe offers sliding slot, and the tapered limit plate 10 of protrusion is provided in the middle part of sliding slot two sidewalls, and sliding shoe 8 passes through convex Tapered limit plate 10 is movably fastened with tapered limiting slot 6 out, and 8 upper surface middle part of sliding shoe is longitudinally fixed is provided with integral structure Protrusion ladder type snap-gauge 9,1 inner bottom surface of breaker body is fixedly installed with arc-control device, and arc-control device is cylinder structure, is gone out Arc device is made of ceramic tube 12 and contact tube 13, and contact tube 13 is arranged inside ceramic tube 12,12 end side surface of ceramic tube It is uniformly provided with multiple groups air hole 14, air hole 14 is run through inside contact tube 13, and 12 upper surface of ceramic tube is close to static contact 11 sides are provided with static conductive rod 15, and static conductive rod 15 is set to immediately below static contact 11, and 15 lower end of static conductive rod is fixedly mounted There is threaded post 16, the fixation of threaded post 16 is inserted in contact tube 13, is fixedly installed with inside contact tube 13 in 16 side of threaded post Conductive jack-post 17, the uniform fixing sleeve in conductive 17 surface of jack-post are equipped with the ring-like cutting plate 18 of multiple groups, and 13 interior surface of contact tube is uniform Multiple groups internal thread groove 19 is offered, internal thread groove 19 opens up at self-conductive jack-post 17 to air hole 14 in contact tube 13.

Working principle: releasing sliding shoe 8 from 5 surface of push plate, and sliding shoe 8 is passed through the ladder of protrusion ladder type snap-gauge 9 and push plate 5 Type card slot 7 engages, and increases the height of push plate 5 by sliding shoe 8, can pull push plate 5, mobile push plate 5 in labour-saving very much at this time To suitable position, when tripping mechanism 3 moves to lockup state, moving contact 4 can contact with each other with static contact 11 and complete combined floodgate work Make, when overload or short-circuit protection disconnects, moving contact 4 leaves static contact 11 and generates electric arc breaker, and electric arc can be by quiet conduction Bar 15 attracts, and is then introduced into contact tube 13 by threaded post 16, passes through the ring-like cutting plate 18 on conductive 17 surface of jack-post It is split arc extinguishing, remaining electric arc continues to divide arc extinguishing by the internal thread groove 19 of 13 inner surface of contact tube, until completely complete At arc extinguishing, can be discharged by air hole 14 in contact tube 13 by the heat that electric arc generates.

Although being described in conjunction with the accompanying the embodiments of the present invention, patent owner can want in appended right Various deformations or amendments are made within the scope of asking, as long as the claim for being no more than the utility model is described to protect model It encloses, should all be within the protection scope of the utility model.

Claims (3)

1. a kind of energy conservation plastic casing breaker, including breaker body (1), breaker body (1) upper surface middle part open up There is limited mouth, be provided in limited mouth driving shaft (2), the driving shaft (2) is fixedly connected with de- inside breaker body (1) Buckle mechanism (3), tripping mechanism (3) lower end are fixedly connected with moving contact (4), it is characterised in that: the breaker body (1) Inside is provided with static contact (11) in moving contact (4) end side, and driving shaft (2) upper surface is fixedly installed with push plate (5), Push plate (5) both side surface longitudinally offers tapered limiting slot (6), and push plate (5) upper surface longitudinally offers ladder type card slot (7), and push plate (5) upper surface is provided with sliding shoe (8), and sliding shoe (8) lower surface offers sliding slot, the sliding slot two sides The tapered limit plate (10) of protrusion is provided in the middle part of wall, the sliding shoe (8) is by protruding tapered limit plate (10) and tapered limit Position slot (6) is movably fastened, and the longitudinally fixed protrusion ladder type snap-gauge (9) for being provided with integral structure of sliding shoe (8) upper surface middle part, Breaker body (1) inner bottom surface is fixedly installed with arc-control device, and the arc-control device is cylinder structure, arc-control device It is made of ceramic tube (12) and contact tube (13), contact tube (13) setting is internal in ceramic tube (12), the ceramic tube (12) end side surface is uniformly provided with multiple groups air hole (14), and air hole (14) runs through contact tube (13) inside, described Ceramic tube (12) upper surface is provided with static conductive rod (15) close to static contact (11) side, and static conductive rod (15) lower end is fixed It is equipped with threaded post (16), the threaded post (16) is fixed to be inserted in contact tube (13), and the contact tube (13) is internal in spiral shell Line column (16) side is fixedly installed with conductive jack-post (17), and it is ring-like that the conduction uniform fixing sleeve in jack-post (17) surface is equipped with multiple groups Cutting plate (18), contact tube (13) interior surface are uniformly provided with multiple groups internal thread groove (19).

2. a kind of energy saving plastic casing breaker according to claim 1, it is characterised in that: the internal thread groove (19) is being led It opens up at the interior self-conductive jack-post (17) of fulgurite (13) at air hole (14).

3. a kind of energy saving plastic casing breaker according to claim 1, it is characterised in that: static conductive rod (15) setting Immediately below static contact (11).