CN209658102U - A kind of electromagnetic relay of the contact structure with quick blow-out - Google Patents

Abstract

The utility model discloses a kind of electromagnetic relays of contact structure with quick blow-out, including arc chamber, the top of arc chamber, which is symmetrically interted, is provided with one group of stationary contact, arc chamber is internally provided with movable contact, the middle position of movable contact is interspersed to be provided with dead ring one, one middle position of dead ring is interspersed to be provided with push rod, the top of push rod and be located at dead ring one inside be connected with retainer ring, clamping ring middle position is provided through the dead ring two matched with push rod, the bottom end of push rod sequentially passes through clamping ring and yoke and extends to the lower section of yoke, stationary contact is provided with arc leading angle one far from the side of push rod, arc leading angle two that is far from stationary contact and matching with arc leading angle one is provided on the outside of movable contact, the two sides inner wall of arc chamber is mounted on arc-chute respectively.The utility model has the advantages that realizing the electric arc for quickly extinguishing and generating when contact disconnects, electromagnetism is improved after the electrical endurance and electrical characteristic of relay.

Description

A kind of electromagnetic relay of the contact structure with quick blow-out

Technical field

The utility model relates to relay technical fields, it particularly relates to a kind of contact structure with quick blow-out Electromagnetic relay.

Background technique

Electromagnetic relay is a kind of disconnecting switch, is typically used as disconnection and closure in circuit, when dynamic and static contact is loading Under the conditions of when carrying out band and carrying switching, electric arc can be generated between contact.There is electric arc fuel factor pitting of contact to be easy to cause to be bonded, and shorten The service life of electromagnetic relay, and electromagnetic radiation can be externally carried out during generating electric arc, interference is generated to the equipment of surrounding.

For the problems in the relevant technologies, currently no effective solution has been proposed.

Summary of the invention

For the problems in the relevant technologies, the utility model proposes a kind of electromagnetism of contact structure with quick blow-out after Electric appliance realizes and quickly extinguishes the electric arc that generates when contact disconnects, and improves electromagnetism after the electrical endurance and electrical characteristic of relay, with Overcome above-mentioned technical problem present in existing the relevant technologies.

For this purpose, the specific technical solution that the utility model uses is as follows:

A kind of electromagnetic relay of the contact structure with quick blow-out, including arc chamber, the top of the arc chamber are symmetrically worn It plugs and is equipped with one group of stationary contact, the outer wall of the arc chamber is surrounded with magnetic conduction sheet one and leading positioned at one side of magnetic conduction sheet Magnetic sheet two, also, the magnetic conduction sheet one and the magnetic conduction sheet two are U-shaped structure, the two sides inner wall difference of the magnetic conduction sheet one The permanent magnet one and permanent magnet four matched with the arc cavity outer wall is installed, the two sides inner wall of the magnetic conduction sheet two is installed respectively There is the permanent magnet two and permanent magnet three matched with the arc cavity outer wall, the bottom end of the arc chamber is equipped with clamping ring, the company The bottom end of adapter ring is equipped with yoke, and the arc chamber is internally provided with movable contact, the interspersed setting in the middle position of the movable contact There is a dead ring one, one middle position of dead ring is interspersed to be provided with push rod, the top of the push rod and is located at the dead ring Retainer ring is connected with inside one, the clamping ring middle position is provided through the dead ring two matched with the push rod, described Compressed spring is arranged on push rod and between the movable contact and the dead ring two, the bottom end of the push rod sequentially passes through The clamping ring and the yoke and the lower section for extending to the yoke, the stationary contact are provided with far from the side of the push rod Arc leading angle one is provided with arc leading angle that is far from the stationary contact and matching with the arc leading angle one on the outside of the movable contact Two, the two sides inner wall of the arc chamber is mounted on arc-chute respectively.

Further, the angle between the arc leading angle one and horizontal direction is 15 °.

Further, the angle between the arc leading angle two and horizontal direction is 75 °.

Further, the permanent magnet one and the permanent magnet four are vertical with the inner wall of the magnetic conduction sheet one respectively.

Further, the permanent magnet two and the permanent magnet three are vertical with the inner wall of the magnetic conduction sheet two respectively.

The utility model has the following beneficial effects: by using permanent magnet one, permanent magnet two, permanent magnet three, permanent magnet four, leading Magnetic sheet one, magnetic conduction sheet two, stationary contact, movable contact, arc chamber, arc leading angle one, arc leading angle two, arc-chute, dead ring one, compression bullet Spring, dead ring two, clamping ring, yoke, push rod and retainer ring constitute arc extinguishing structure, thus in the two sides of movable contact and stationary contact point The arc leading angle one and arc leading angle two not being arranged, when electromagnetic relay carry out band carry switching when, by permanent magnet one, permanent magnet two, Permanent magnet three and permanent magnet four lead to electric arc on arc leading angle one, arc leading angle two and arc-chute, to realize fast arc extinction, relatively In existing prior art, there is stronger arc extinguishing ability, improve electrical endurance, pressure resistance, insulation characterisitic, and then realize and quickly put out Go out the electric arc generated when contact disconnects, improves electromagnetism after the electrical endurance and electrical characteristic of relay.

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 Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this A little attached drawings obtain other attached drawings.

Fig. 1 is the knot according to a kind of electromagnetic relay of contact structure with quick blow-out of the utility model embodiment Structure schematic diagram；

Fig. 2 is leading according to the electromagnetic relay of contact structure with quick blow-out of the utility model embodiment a kind of Magnetic sheet and permanent magnet and arc chamber assembling schematic diagram；

Fig. 3 is the arc according to a kind of electromagnetic relay of contact structure with quick blow-out of the utility model embodiment Chamber schematic diagram；

Fig. 4 is according to a kind of the quiet of the electromagnetic relay of contact structure with quick blow-out of the utility model embodiment The schematic diagram of contact；

Fig. 5 is according to a kind of the dynamic of the electromagnetic relay of contact structure with quick blow-out of the utility model embodiment The schematic diagram of contact；

Fig. 6 is the contact structure schematic diagram of electromagnetic relay in the prior art.

In figure:

1, permanent magnet one；2, permanent magnet two；3, permanent magnet three；4, permanent magnet four；5, magnetic conduction sheet one；6, magnetic conduction sheet two；7, Stationary contact；8, arc chamber；9, movable contact；10, arc leading angle one；11, arc leading angle two；12, arc-chute；13, dead ring one；14, it compresses Spring；15, dead ring two；16, clamping ring；17, yoke；18, push rod；19, retainer ring.

Specific embodiment

To further illustrate each embodiment, the utility model is provided with attached drawing, these attached drawings are in the utility model discloses A part of appearance mainly to illustrate embodiment, and can cooperate the associated description of specification former come the running for explaining embodiment Reason, cooperation refer to these contents, and those of ordinary skill in the art will be understood that other possible embodiments and this is practical new The advantages of type, the component in figure is not necessarily to scale, and similar component symbol is conventionally used to indicate similar component.

Embodiment according to the present utility model provides a kind of electromagnetic relay of contact structure with quick blow-out.

Now in conjunction with the drawings and specific embodiments, the present invention will be further described, as shown in Figs. 1-5, practical according to this The electromagnetic relay of the contact structure with quick blow-out of new embodiment, including arc chamber 8, the top of the arc chamber 8 are symmetrical Interspersed to be provided with one group of stationary contact 7, the outer wall of the arc chamber 8 is surrounded with magnetic conduction sheet 1 and is located at the magnetic conduction sheet 1 The magnetic conduction sheet 26 of side, also, the magnetic conduction sheet 1 and the magnetic conduction sheet 26 are U-shaped structure, and the two of the magnetic conduction sheet 1 Side inner wall is separately installed with the permanent magnet 1 and permanent magnet 44 matched with 8 outer wall of arc chamber, and the two of the magnetic conduction sheet 26 Side inner wall is separately installed with the permanent magnet 22 and permanent magnet 33 matched with 8 outer wall of arc chamber, the bottom end peace of the arc chamber 8 Equipped with clamping ring 16, the bottom end of the clamping ring 16 is equipped with yoke 17, and the arc chamber 8 is internally provided with movable contact 9, described The middle position of movable contact 9 is interspersed to be provided with dead ring 1, and one 13 middle position of dead ring is interspersed to be provided with push rod 18, The top of the push rod 18 and be located at the dead ring 1 inside be connected with retainer ring 19,16 middle position of clamping ring is run through It is provided with the dead ring 2 15 matched with the push rod 18, on the push rod 18 and is located at the movable contact 9 and the insulation Compressed spring 14 is arranged between ring 2 15, the bottom end of the push rod 18 sequentially passes through the clamping ring 16 and the yoke 17 simultaneously The lower section of the yoke 17 is extended to, the stationary contact 7 is provided with arc leading angle 1 far from the side of the push rod 18, described dynamic The outside of contact 9 is provided with arc leading angle 2 11 that is far from the stationary contact 7 and matching with the arc leading angle 1, the arc The two sides inner wall of chamber 8 is mounted on arc-chute 12 respectively.

With the aid of the technical scheme, in the respectively arranged arc leading angle 1 in the two sides of movable contact 9 and stationary contact 7 and striking Angle 2 11 passes through permanent magnet 1, permanent magnet 22, permanent magnet 33 and permanent magnet four when electromagnetic relay, which carries out band, carries switching 4 lead to electric arc on arc leading angle 1, arc leading angle 2 11 and arc-chute 12, so that fast arc extinction is realized, relative to now existing skill Art scheme has stronger arc extinguishing ability, improves electrical endurance, pressure resistance, insulation characterisitic, and then realizes that quickly extinguishing contact disconnects When the electric arc that generates, improve electromagnetism after the electrical endurance and electrical characteristic of relay.

In one embodiment, the angle between the arc leading angle 1 and horizontal direction is 15 °.

In one embodiment, the angle between the arc leading angle 2 11 and horizontal direction is 75 °.

In one embodiment, the permanent magnet 1 and the permanent magnet 44 are interior with the magnetic conduction sheet 1 respectively Wall is vertical.

In one embodiment, the permanent magnet 22 and the permanent magnet 33 are interior with the magnetic conduction sheet 26 respectively Wall is vertical.

In conclusion by means of the above-mentioned technical proposal of the utility model, by using permanent magnet 1, permanent magnet 22, Permanent magnet 33, permanent magnet 44, magnetic conduction sheet 1, magnetic conduction sheet 26, stationary contact 7, movable contact 9, arc chamber 8, arc leading angle 1, striking Angle 2 11, arc-chute 12, dead ring 1, compressed spring 14, dead ring 2 15, clamping ring 16, yoke 17, push rod 18 and retainer ring 19 constitute arc extinguishing structure, thus in the respectively arranged arc leading angle 1 in the two sides of movable contact 9 and stationary contact 7 and arc leading angle two 11, it, will by permanent magnet 1, permanent magnet 22, permanent magnet 33 and permanent magnet 44 when electromagnetic relay, which carries out band, carries switching Electric arc is led on arc leading angle 1, arc leading angle 2 11 and arc-chute 12, so that fast arc extinction is realized, relative to existing prior art side Case has stronger arc extinguishing ability, improves electrical endurance, pressure resistance, insulation characterisitic, and then realizes quickly to extinguish when contact disconnects and produce Raw electric arc improves electromagnetism after the electrical endurance and electrical characteristic of relay.

In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " Gu Calmly ", the terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral； It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can be with It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly, for this field For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection scope within.

Claims (5)

1. a kind of electromagnetic relay of the contact structure with quick blow-out, which is characterized in that including arc chamber (8), the arc chamber (8) top, which is symmetrically interted, is provided with one group of stationary contact (7), the outer wall of the arc chamber (8) be surrounded with magnetic conduction sheet one (5) and Magnetic conduction sheet two (6) positioned at magnetic conduction sheet one (5) side, also, the magnetic conduction sheet one (5) and the magnetic conduction sheet two (6) are equal For U-shaped structure, the two sides inner wall of the magnetic conduction sheet one (5) is separately installed with the permanent magnet matched with arc chamber (8) outer wall One (1) and permanent magnet four (4), the two sides inner wall of the magnetic conduction sheet two (6) is separately installed with to be matched with arc chamber (8) outer wall Permanent magnet two (2) and permanent magnet three (3), the bottom end of the arc chamber (8) is equipped with clamping ring (16), the clamping ring (16) Bottom end is equipped with yoke (17), and the arc chamber (8) is internally provided with movable contact (9), and the middle position of the movable contact (9) is worn It plugs and is equipped with dead ring one (13), dead ring one (13) middle position is interspersed to be provided with push rod (18), the push rod (18) Top and being located inside the dead ring one (13) be connected with retainer ring (19), clamping ring (16) middle position is through setting Have a dead ring two (15) matched with the push rod (18), on the push rod (18) and be located at the movable contact (9) with it is described Be arranged between dead ring two (15) compressed spring (14), the bottom end of the push rod (18) sequentially pass through the clamping ring (16) and The yoke (17) and the lower section for extending to the yoke (17), the stationary contact (7) set far from the side of the push rod (18) Be equipped with arc leading angle one (10), be provided on the outside of the movable contact (9) far from the stationary contact (7) and with the arc leading angle one (10) the two sides inner wall of the arc leading angle two (11) matched, the arc chamber (8) is mounted on arc-chute (12) respectively.

2. a kind of electromagnetic relay of contact structure with quick blow-out according to claim 1, which is characterized in that institute Stating the angle between arc leading angle one (10) and horizontal direction is 15 °.

3. a kind of electromagnetic relay of contact structure with quick blow-out according to claim 1, which is characterized in that institute Stating the angle between arc leading angle two (11) and horizontal direction is 75 °.

4. a kind of electromagnetic relay of contact structure with quick blow-out according to claim 1, which is characterized in that institute It states permanent magnet one (1) and the permanent magnet four (4) is vertical with the inner wall of the magnetic conduction sheet one (5) respectively.

5. a kind of electromagnetic relay of contact structure with quick blow-out according to claim 1, which is characterized in that institute It states permanent magnet two (2) and the permanent magnet three (3) is vertical with the inner wall of the magnetic conduction sheet two (6) respectively.