CN211957556U

CN211957556U - Vertical AC contactor

Info

Publication number: CN211957556U
Application number: CN201922125518.9U
Authority: CN
Inventors: 张建文; 傅国庆; 杨吾龙
Original assignee: Hangzhou Haidaishi Technology Co ltd
Current assignee: Hangzhou Haidaishi Technology Co ltd
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-11-17
Anticipated expiration: 2029-12-02

Abstract

The utility model discloses a vertical ac contactor, which comprises a housin, the inboard fixed surface in casing upper end is connected with armature, the outer winding of armature has the coil, the inboard surface slidable mounting has the iron core in casing upper end, the both sides inner fixed surface of casing even has static contact, iron core lower extreme fixed surface has the bracing piece, the external fixed surface of bracing piece has the movable contact spring, the bending head is established at movable contact spring both ends, establishes to the bending head structure through the contact jaw at movable contact spring both ends, and the elastic shrinkage deformation can be done to the bending head when the closure, can cushion when the closure strikes, and is not fragile during the closure strikes, has certain elasticity expansion force after the closure shrink simultaneously, and the closure is closely difficult for contact failure.

Description

Vertical AC contactor

Technical Field

The utility model relates to an ac contactor field, more specifically say, relate to a vertical ac contactor.

Background

The working principle of the alternating current contactor is that electromagnetic force is matched with the elastic force of a spring to realize the connection and disconnection of a contact, and the alternating current contactor has two working states of a power-off state and a power-on state;

in the vertical type AC device in the prior art, after an attraction coil is electrified, a static iron core generates electromagnetic attraction, an armature is attracted, a connecting rod connected with the armature drives a contact to act, and a normally closed contact breaking contactor is in an electrified state.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide a vertical ac contactor establishes to crooked head structure through the contact jaw at movable contact spring both ends, and elastic shrinkage deformation can be done to crooked head when the closure, can cushion when the closure strikes, and is not fragile when the closure strikes, has certain elasticity expansion force after the closed shrink simultaneously, and the closure is closely difficult for contact failure.

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides a vertical alternating current contactor, includes the casing, casing upper end inboard fixed surface is connected with armature, the armature twines outward and has the coil, casing upper end inboard surface slidable mounting has the iron core, the fixed surface of the both sides inner of casing even has static contact, the fixed surface of iron core lower extreme surface has the bracing piece, the external fixed surface of bracing piece has the movable contact spring, the bending head is established at movable contact spring both ends, establishes to bending head structure through the contact jaw at movable contact spring both ends, and the bending head can do elastic shrinkage deformation when the closure, can cushion when the closure strikes, and is not fragile when the closure strikes, has certain elasticity expansion force after the closure shrink simultaneously, and the closure closely is difficult for contact failure.

Furthermore, the surface of the lower end of the static contact piece is provided with a contact, the surface of the bending head is provided with a clamping groove, and when the static contact piece is lifted and closed, the bending head of the movable contact piece can be clamped and attached outside the contact through the clamping groove, so that the contact area is increased.

Furthermore, the movable contact spring is of an arc-shaped bending structure, and has a certain radian when impacted upwards, so that the supporting force is improved, and the movable contact spring is not easy to deform.

Further, the lower fixed surface in both sides of iron core is connected with the spring, and spring lower fixed surface connects at casing upper end inboard surface, and the spring can support the iron core when not circular telegram, and the iron core adsorbs upwards during the circular telegram, can cushion.

Furthermore, the outer end of the static contact piece is provided with a wiring lug, so that wiring is facilitated.

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

(1) through establishing at movable contact spring both ends contact tip and establishing bending head structure, the bending head can be elastic shrinkage deformation when the closure, can cushion when the closure is strikeed, and the closure is not fragile when strikeeing, has certain elasticity expansion force after the closure shrink simultaneously, and the closure is closely difficult for contact failure.

(2) The surface of the lower end of the static contact piece is provided with a contact, the surface of the bending head is provided with a clamping groove, and when the movable contact piece is lifted and closed, the bending head of the movable contact piece can be clamped and attached outside the contact through the clamping groove, so that the contact area is increased.

(3) The movable contact spring is of an arc-shaped bending structure, and has a certain radian when impacted upwards, so that the supporting force is improved, and the movable contact spring is not easy to deform.

(4) The both sides lower fixed surface of iron core is connected with the spring, and spring lower fixed surface connects at casing upper end inboard surface, and the spring can support the iron core when not circular telegram, and the iron core adsorbs upwards during the circular telegram, can cushion.

(5) The outer end of the static contact is provided with a wiring lug for facilitating wiring.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a top view of the connection relationship between the support rod and the movable contact piece of the present invention;

FIG. 3 is a bottom view of the partial structure of the static contact of the present invention;

fig. 4 is an enlarged view of the position a (fig. 1) of the present invention.

The reference numbers in the figures illustrate:

1 shell, 2 armature, 20 coil, 3 iron core, 4 static contact, 5 support rod, 6 moving contact, 60 bending head, 600 clamping groove, 40 contact, 30 spring and 41 wiring lug.

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.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, a vertical ac contactor includes a housing 1, an armature 2 fixedly connected to an inner side surface of an upper end of the housing 1, a coil 20 wound around the armature 2, an iron core 3 slidably mounted to an inner side surface of an upper end of the housing 1, a stationary contact 4 (copper material) fixedly connected to inner end surfaces of both sides of the housing 1, a support rod 5 fixed to an outer surface of a lower end surface of the iron core 3, a movable contact 6 (copper material) fixed to an outer surface of the support rod 5, and a bending head 60 provided at both ends of the movable contact 6.

Referring to fig. 1-4, the lower end surface of the static contact 4 is provided with a contact 40, the surface of the bending head 60 is provided with a clamping groove 600, when the static contact is lifted and closed, the bending head 60 of the movable contact can be clamped and attached outside the contact 40 through the clamping groove 600, the contact area is increased, the movable contact 6 is of an arc-shaped bending structure, when the movable contact is impacted upwards, the movable contact 6 has a certain radian, the supporting force is increased, and the movable contact is not easy to deform, the lower surfaces of the two sides of the iron core 3 are fixedly connected with springs 30, the lower surfaces of the springs 30 are fixedly connected to the inner side surface of the upper end of the shell 1, the springs 30 can support the iron core 3 when the power is off, the iron core 3 is adsorbed upwards.

When in use, the coil 20 is electrified, the armature 2 generates magnetism after being conducted, the iron core 3 can be upwards sucked, the movable contact piece 6 on the support rod 5 can be driven to ascend, the bending heads 60 are arranged at two ends of the movable contact piece 6, the contact 40 is arranged on the surface of the lower end of the static contact piece 4, the clamping groove 600 is arranged on the surface of the bending head 60, when the iron core ascends and is closed, the bending head 60 of the movable contact piece can be clamped and attached outside the contact 40 through the clamping groove 600, the contact area is increased, a circuit is connected, meanwhile, the contact ends at two ends of the movable contact piece 6 are arranged into a bending head 60 structure, the bending head 60 can be elastically contracted and deformed when the iron core is closed, the iron core can be buffered when in closing impact, the iron core is not easily damaged when the iron core is closed, meanwhile, a certain elastic expansion force is generated after the closing contraction, the bending head 60, the movable contact spring 6 is of an arc-shaped bending structure, and when the movable contact spring 6 is impacted upwards, the movable contact spring 6 has a certain radian, so that the supporting force is improved, the movable contact spring is not easy to deform, and the service life is prolonged.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. A vertical AC contactor, includes casing (1), its characterized in that: the iron core is characterized in that an armature (2) is fixedly connected to the inner side surface of the upper end of the shell (1), a coil (20) is wound outside the armature (2), an iron core (3) is slidably mounted on the inner side surface of the upper end of the shell (1), a static contact piece (4) is fixedly connected to the inner end surfaces of the two sides of the shell (1), a supporting rod (5) is fixedly arranged on the outer surface of the lower end surface of the iron core (3), a movable contact piece (6) is fixedly arranged on the outer surface of the supporting rod (5), and bending heads (60) are arranged at two ends of the movable.

2. A vertical ac contactor as claimed in claim 1, wherein: the surface of the lower end of the static contact piece (4) is provided with a contact (40), and the surface of the bending head (60) is provided with a clamping groove (600).

3. A vertical ac contactor as claimed in claim 1, wherein: the movable contact spring (6) is of an arc-shaped bending structure.

4. A vertical ac contactor as claimed in claim 1, wherein: the lower surface of the two sides of the iron core (3) is fixedly connected with a spring (30), and the lower surface of the spring (30) is fixedly connected to the inner side surface of the upper end of the shell (1).

5. A vertical ac contactor as claimed in claim 1, wherein: the outer end of the static contact piece (4) is provided with a wiring lug (41).