CN213340231U

CN213340231U - Reverse suction clapper type relay

Info

Publication number: CN213340231U
Application number: CN202022747944.9U
Authority: CN
Inventors: 吴坤; 方君发
Original assignee: Dongguan Yuanze Electric Appliance Co ltd
Current assignee: Dongguan Yuanze Electric Appliance Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-06-01
Anticipated expiration: 2030-11-25

Abstract

The utility model discloses a reverse suction clapping type relay, which comprises a shell and an upper cover, wherein the shell is a hollow cavity with an opening at the upper end, the cavity is internally provided with a base, a framework, an iron core, a yoke iron, an insulating sheet, an armature iron, a movable spring and a pin A, the framework is fixedly arranged on the base, and the outer side of the framework is wound with an enameled wire, two pin ends of the enameled wire are respectively connected with two C pins on the framework, one end of the iron core penetrates through the framework and then is connected with the base, the other end of the iron core is fixedly connected with the yoke iron, the insulating sheet is arranged between the yoke iron and the enameled wire, the movable spring is arranged on the armature iron, and the movable reed is riveted with the yoke, the pin A is fixedly connected with the framework through the false pin B, the upper cover is covered at the opening of the shell, and the movable reed, the pin A and the two pins C all penetrate through the upper cover and extend to the outer side of the upper cover. The utility model discloses possess simple structure, it is with low costs, the heat dissipation is good, can effectively improve the relay performance.

Description

Reverse suction clapper type relay

Technical Field

The utility model relates to a relay technical field specifically is a suck-back clapping type relay.

Background

A relay is an electric control device, which is actually an "automatic switch" that controls the operation of a large current by a small current. The relay generally comprises an electromagnetic part and a contact group, wherein the electromagnetic part controls the closing and the separation of different contacts in the contact group, so that the connection and the disconnection of a circuit can be realized, and the purpose of protecting the circuit is achieved.

The clapper type relay is one of relays, a traditional clapper type relay is generally of a positive suction structure, a T73 relay which is popular in the market is representative, particularly in the industry of small household appliances, more than 80% of household appliances can be almost covered, the clapper type relay is suitable for household appliances of 1-3 persons, however, in the household appliances of more than 4 persons, the T73 relay is poor in relative load capacity, if optimization is carried out on the original basis, the relative cost is high, and the performance cannot meet the requirements, the specific expression is that the internal load design is far away from pins of a leading-out part, the service length of a load material is increased, the cost is high, and the clapper type relay is not beneficial to heat dissipation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a suck-back claps box-like relay possesses simple structure, and is with low costs, and the heat dissipation is good, can effectively improve the advantage of relay performance, has solved the problem that the above-mentioned technical background proposed.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a suck-back clapping type relay, includes shell and upper cover, the shell has the inside hollow cavity of opening for the upper end, is provided with base, skeleton, iron core, yoke, insulating piece, armature, movable contact spring and A foot in this cavity, skeleton fixed mounting is on the base, and the winding of skeleton outside has the enameled wire, two pin ends of enameled wire are connected with two C feet on the skeleton respectively, iron core one end runs through behind the skeleton and is connected with the base, the other end and yoke fixed connection, the insulating piece sets up between yoke and enameled wire, the movable contact spring is installed on armature, and the movable contact spring with the yoke riveting, the A foot is through false B foot and skeleton fixed connection, the opening part at the shell is established to the upper cover lid, movable contact spring, A foot and two C feet all run through the upper cover and extend to the upper cover outside.

Preferably, a buckle is arranged at the opening of the shell, and a clamping groove matched with the buckle is formed in the upper cover.

Preferably, the movable reed is provided with an A-shaped movable point, and the A foot is provided with a dead point.

Preferably, the spring head of the movable spring is a double-folded spring head.

Preferably, the two C feet are symmetrically distributed on the central axis of the framework.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model provides a pair of suck-back clapping type relay, this clapping type relay includes shell and upper cover, be provided with the base in the shell, the skeleton, the iron core, the yoke, the insulating piece, armature, movable contact spring and A foot, overall structure is simple, constitute the quiet spring terminal of NC through setting up the quiescent point on the A foot, this quiet spring terminal of NC uses material fewly, effectively reduced manufacturing cost, the distance of load from end foot to contact reduces, heat dissipation with higher speed, reduce and heat up, the life of product has been improved, constitute movable contact spring part through setting up A type movable contact point on movable contact spring, the end foot of movable contact spring part is drawn forth from the movable contact spring middle part, reduce for traditional T73 relay materials, establish movable contact spring's reed head into two folding spring heads simultaneously, overload capacity and heat-sinking capability have been increased.

2. The utility model discloses a set up the insulating piece between yoke and enameled wire, increased the creepage distance of product, have the better insulating ability who cuts off forceful electric power part and weak current part, the practicality is strong.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is an overall structure diagram of the present invention;

fig. 3 is a partial structure diagram of the present invention.

The reference numerals and names in the figures are as follows:

1. a housing; 2. a base; 3. a framework; 4. an iron core; 5. a yoke; 6. an insulating sheet; 7. an armature; 8. a movable spring plate; 9. a pin A; 10. an upper cover; 11. enamelled wires; 12. a pin C; 13. a false B pin; 14. buckling; 15. a card slot; 16. a type A moving point; 17. and (4) a quiescent point.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to fig. 3, the present invention provides an embodiment: a suck-back clapping type relay comprises a shell 1 and an upper cover 10, wherein the shell 1 is a cavity with an opening at the upper end and a hollow inner part, a base 2, a framework 3, an iron core 4, a yoke 5, an insulating sheet 6, an armature 7, a movable reed 8 and a pins 9 are arranged in the cavity, the whole structure is simple, the framework 3 is fixedly arranged on the base 2, an enameled wire 11 is wound outside the framework 3, two pin ends of the enameled wire 11 are respectively connected with two C pins 12 on the framework 3, the two C pins 12 are symmetrically distributed along the central axis of the framework 3, one end of the iron core 4 penetrates through the framework 3 and then is connected with the base 2, the other end of the iron core is fixedly connected with the yoke 5, the insulating sheet 6 is arranged between the yoke 5 and the enameled wire 11, the movable reed 8 is arranged on the armature 7, the movable reed 8 is riveted with the yoke 5, the A pin 9 is fixedly connected with the framework 3 through a false B pin 13, the upper cover 10 covers the opening of the shell 1, and the movable spring 8, the pin A9 and the two pins C12 all penetrate through the upper cover 10 and extend to the outer side of the upper cover 10.

Specifically, a buckle 14 is arranged at an opening of the housing 1, and a clamping groove 15 matched with the buckle 14 is formed in the upper cover 10.

Specifically, be provided with A type movable point 16 on movable reed 8 and constitute the movable spring part of clapper type relay, the dead point 17 that is provided with on the A foot 9 constitutes the quiet spring terminal of NC, and this quiet spring terminal of NC uses less material, has effectively reduced manufacturing cost for the driven reed 8 middle part of this movable spring part reduces for traditional T73 relay materials, the distance of load from the dead point to the contact reduces, dispels the heat with higher speed, reduces the intensification, has improved the life of product.

It should be noted that the reed heads of the movable reed 8 in this embodiment are double-folded reed heads, and this design is designed to increase the overload capability and the heat dissipation capability.

When the clapper type relay is assembled, the framework 3 is fixed on the base 1, then the two C feet 12 are respectively connected with the framework 3, the initial line of the enameled wire 11 is wound on one of the C feet 12 and then wound on the framework 3, the tail end of the enameled wire is wound on the other C foot 12 to form a coil part of the clapper type relay, and then the coil part assembled by the insulating sheet 6 is divided into two parts; then riveting the yoke iron 5 and the iron core 4 to form a magnetic circuit part; the armature 7 is riveted with a movable reed 8, then riveted with an A-type movable point 16 to form a movable spring part, an A pin 9 is riveted with a static point 17 to form an NC static spring part, then the movable spring part is assembled with a magnetic circuit part, then assembled with the NC static spring part and a false B pin 13 to form a semi-finished product, then the semi-finished product is installed in the shell 1, and finally the upper cover 10 is buckled at the opening of the shell 1 to obtain a finished product.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a suck-back clapper formula relay, includes shell (1) and upper cover (10), its characterized in that: the shell (1) is a hollow cavity with an opening at the upper end, a base (2), a framework (3), an iron core (4), a yoke (5), an insulating sheet (6), an armature (7), a movable reed (8) and an A pin (9) are arranged in the cavity, the framework (3) is fixedly installed on the base (2), an enameled wire (11) is wound on the outer side of the framework (3), two pin ends of the enameled wire (11) are respectively connected with two C pins (12) on the framework (3), one end of the iron core (4) penetrates through the framework (3) and then is connected with the base (2), the other end of the iron core is fixedly connected with the yoke (5), the insulating sheet (6) is arranged between the yoke (5) and the enameled wire (11), the movable reed (8) is installed on the armature (7), the movable reed (8) is riveted with the yoke (5), and the A pin (9) is fixedly connected with the framework (3) through a false B pin (13), the upper cover (10) covers the opening of the shell (1), and the movable spring plate (8), the pin A (9) and the two pins C (12) penetrate through the upper cover (10) and extend to the outer side of the upper cover (10).

2. The reverse suction clapper type relay according to claim 1, wherein: a buckle (14) is arranged at the opening of the shell (1), and a clamping groove (15) matched with the buckle (14) is formed in the upper cover (10).

3. The reverse suction clapper type relay according to claim 1, wherein: a type moving point (16) is arranged on the moving reed (8), and a dead point (17) is arranged on the foot A (9).

4. The reverse suction clapper type relay according to claim 1, wherein: the reed head of the movable reed (8) is a double-folded reed head.

5. The reverse suction clapper type relay according to claim 1, wherein: the two C feet (12) are symmetrically distributed with the central axis of the framework (3).