CN202549731U - Relay - Google Patents

Abstract

The utility model provides a relay, which comprises a bottom board. The bottom board is provided with a limit module. The limit module can prevent an armature from being away from a yoke. The relay also comprises a shell. The shell is provided with a first limit structure and a second limit structure. The first limit structure arranged close to the armature is used for preventing the armature from being away from the yoke and effectively prevents the occurrence of flux leakage phenomenon of the relay. The second limit structure is arranged at the lower end of the end foot of a coil and is used for preventing the movement of the end foot of the coil. Due to the arrangement of the first limit structure and the second limit structure, the reliability of the relay is improved. The framework of the relay is provided with a groove and the groove effectively increases the dielectric strength of the framework. The dielectric strength of the relay is up to 4000 VAC and is greatly improved compared with the dielectric strength of a traditional relay. The relay has the advantages of high dielectric strength, good anti-impact performance, and high reliability and stability.

Description

A kind of relay

Technical field

The utility model relates to a kind of relay.

Background technology

Relay is a kind of switch element that utilizes magnet control operating circuit break-make.At present, relay is widely used in fields such as industrial automation.

Relay generally is made up of magnetic circuit system and contact system.Magnetic circuit system comprises iron core, yoke, armature and coil, and contact system comprises M terminal assemblies, B terminal assemblies and movable contact spring.During relay power, iron core is inhaled armature get off, and makes the operating circuit at relay place be in closure state, connects with the mains; Lose magnetism after the relay outage, spring that is provided with on the relay or reed utilize self elastic force to come the armature pull-up, and the operating circuit at relay place is broken off.

But the inventor finds that in practice the dielectric strength of conventional means of relay is little, and the anti shock and vibration performance is not ideal enough.

The utility model content

To above-mentioned defective, the utility model provides a kind of relay, and this relay dielectric strength is high, and the anti shock and vibration performance is high, good reliability.

A kind of relay comprises iron core, yoke, armature, coil, moving contact, fixed contact, movable contact spring and shell, also comprises:

Base plate has spacing module on the said base plate, the position that said spacing module is provided with is near said armature place;

Skeleton, said skeleton is provided with groove;

Said shell is provided with first position limiting structure and second position limiting structure; The position of said first position limiting structure is near said armature place; The position of said second position limiting structure is end in said coil-end underfooting.

Among the embodiment, said relay dielectric strength is 4000VAC.

Among the embodiment, said spacing module is a rectangular structure.

Among the embodiment, said first position limiting structure and said second position limiting structure are rectangular structure.

In the utility model, relay comprises base plate, and base plate is provided with spacing module, and this spacing module can prevent that armature breaks away from yoke.Relay also comprises shell, and two place's position limiting structures are arranged on this shell, and the position of first position limiting structure is used to prevent that near the armature place armature breaks away from armature, can effectively prevent the generation of relay leakage field phenomenon; Second position limiting structure is positioned at the lower end of coil-end pin, is used to prevent moving of coil-end pin.First position limiting structure and second position limiting structure have strengthened the reliability of relay.Skeleton on the relay is provided with groove, and this groove can effectively strengthen the dielectric strength of skeleton.The dielectric strength of the utility model relay can reach 4000VAC, and the dielectric strength of comparing traditional relay has had significantly raising.The utility model relay dielectric strength is high, and shock resistance is strong, and reliability and stability are high.

Description of drawings

In order to be illustrated more clearly in the technical scheme in the utility model; To do to introduce simply to the accompanying drawing of required use among the embodiment below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.

The structural representation of a kind of relay that Fig. 1 provides for the utility model;

Fig. 2 is the end view of the A-A ' direction of relay shown in 1;

Fig. 3 is the structural representation of the skeleton of relay shown in Figure 1;

Fig. 4 is the structural representation of the shell of relay shown in Figure 1.

Embodiment

To combine the accompanying drawing in the utility model below, the technical scheme in the utility model is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.

The utility model provides a kind of relay, and this relay dielectric strength is high, and the anti shock and vibration performance is high, good reliability.

Describe in detail below in conjunction with description of drawings.

See also Fig. 1, Fig. 2, the structural representation of a kind of relay that Fig. 1 provides for the utility model; Fig. 2 is the end view of the A-A ' direction of relay shown in 1.Like Fig. 1, shown in Figure 2, a kind of relay comprises iron core 1, yoke 2, armature 3, coil 4, moving contact 5, fixed contact 6, movable contact spring 7 and shell 8.Relay can also comprise:

Base plate 9.Base plate 9 is provided with spacing module 11, and the position that spacing module 11 is provided with is near armature 3 places.Spacing module 11 can prevent that armature 3 breaks away from yoke 2, avoids producing the slit between armature 3 and the yoke 2, avoids the generation of relay leakage field phenomenon, reduces magnetic loss.Wherein, shell 8 is linked to be whole structure with base plate 9.

Relay can also comprise skeleton 10.Wherein, iron core 1 is inserted in the skeleton 10 and with yoke 2 and is fixed into one.

See also Fig. 3, Fig. 3 is the structural representation of the skeleton of relay shown in Figure 1.As shown in Figure 3, skeleton 10 is " worker " word shape, is respectively arranged with place's groove 12 at skeleton 10 inboard two ends up and down.Groove 12 can increase the dielectric strength of relay, promotes the resistance to pressure of relay, makes relay more durable.

See also Fig. 4, Fig. 4 is the structural representation of the shell of relay shown in Figure 1.As shown in Figure 4, shell 8 is provided with two place's position limiting structures.Wherein, the position of first position limiting structure 13 is near armature 3 places, and position limiting structure 13 can be avoided producing the slit between armature 3 and the yoke 2, prevents that armature 3 breaks away from yokes 2, avoids the generation of relay leakage field phenomenon, reduces magnetic loss.The position of second position limiting structure 14 is in end pin 15 lower ends of coil.Second position limiting structure 14 can prevent that the coil-end placement of foot from moving, and the position of fixed coil 4 strengthens the shock resistance of relay, thereby increases the stability and the reliability of relay.

The dielectric strength of the utility model relay can reach 4000VAC, and the dielectric strength of traditional relay can only reach 3000VAC, compares traditional relay, and the dielectric strength of the relay that the utility model provides has had significantly raising.

In the utility model, spacing module 11 is a rectangular structure.

Need to prove that the utility model does not limit the shape of spacing module 11.Spacing module 11 does not limit for rectangular structure is merely for example.

In the utility model, first position limiting structure 13 and second position limiting structure 14 are rectangular structure.

Need to prove that the utility model does not limit the shape of first position limiting structure 13 and second position limiting structure 14, need only the effectively position of fixed armature of first position limiting structure 13, and second position limiting structure 14 gets final product the position of fixed coil effectively.Above-mentioned rectangular structure is only given an example, and does not limit.

In the utility model, relay comprises base plate 9, and base plate 9 is provided with spacing module 11, and this spacing module 11 can prevent that armature 3 breaks away from yoke 2.Relay also comprises shell 8, and two place's position limiting structures are arranged on the shell 8, and wherein, the position of first position limiting structure 13 is used to prevent that near armature 3 armature 3 breaks away from yoke 2, can effectively prevent the generation of relay leakage field phenomenon, reduces magnetic loss; Second position limiting structure 14 is positioned at the end underfooting face of coil 4, is used to prevent the mobile of coil-end pin 15, the position of fixed coil 4.First position limiting structure and second position limiting structure have strengthened the reliability of relay.Skeleton 10 on the relay is provided with groove 12, and this groove 12 can increase the dielectric strength of skeleton 10.The dielectric strength of the utility model relay can reach 4000VAC, and the dielectric strength of comparing traditional relay has had significantly raising.The utility model relay dielectric strength is high, and shock resistance is strong, and reliability and stability are high.

More than a kind of relay that the utility model provided has been carried out detailed introduction; For one of ordinary skill in the art; Thought according to the utility model; The part that on embodiment and range of application, all can change, in sum, this description should not be construed as the restriction to the utility model.

Claims (4)

1. a relay comprises iron core, yoke, armature, coil, moving contact, fixed contact, movable contact spring and shell, it is characterized in that, also comprises:

Base plate has spacing module on the said base plate, the position that said spacing module is provided with is near said armature place;

Skeleton, said skeleton is provided with groove;

Said shell is provided with first position limiting structure and second position limiting structure; The position of said first position limiting structure is near said armature place; The position of said second position limiting structure is end in said coil-end underfooting.

2. relay according to claim 1 is characterized in that,

Said relay dielectric strength is 4000VAC.

3. relay according to claim 1 is characterized in that,

Said spacing module is a rectangular structure.

4. relay according to claim 1 is characterized in that,

Said first position limiting structure and said second position limiting structure are rectangular structure.

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