CN210349718U

CN210349718U - Electromagnetic switch stable in closing

Info

Publication number: CN210349718U
Application number: CN201921875403.5U
Authority: CN
Inventors: 薛明; 杜秋漪
Original assignee: Changzhou Jiuan Electric Appliance Manufacturing Co Ltd
Current assignee: Changzhou Jiuan Electric Appliance Manufacturing Co Ltd
Priority date: 2019-11-01
Filing date: 2019-11-01
Publication date: 2020-04-17
Anticipated expiration: 2029-11-01

Abstract

The utility model discloses a closed firm electromagnetic switch, including casing, electromagnetic component, contact element, excitation coil, the magnetic isolation lantern ring, activity core, fixed iron core, removal iron core, first contact and second contact, electromagnetic component and contact element all establish in the casing, excitation coil establishes in electromagnetic component, the magnetic isolation lantern ring cover is established on the excitation coil, the activity core is established in contact element, fixed iron core establishes the bottom at shells inner wall, contact element's one end runs through to the electromagnetic component inside and links to each other with removing the iron core. The utility model discloses at the during operation through fixed iron core and the inter attraction between the removal iron core, make first contact and second contact each other, the switch-on current moves down with this movable core simultaneously, and in the fixture block inserted the draw-in groove, can realize firm closure, simple structure, reasonable in design can effectively guarantee the electric current volume of passing through, has avoided the interrupt, has satisfied diversified user demand.

Description

Electromagnetic switch stable in closing

Technical Field

The utility model relates to an electromagnetic switch technical field specifically is a closed firm electromagnetic switch.

Background

An electromagnetic switch, as the name implies, is a switch controlled by an electromagnet, i.e. a combination of an electromagnet and a switch. When the electromagnet coil is electrified, electromagnetic attraction is generated, the movable iron core pushes or pulls the switch contact to be closed, and therefore the controlled circuit is switched on. The electromagnetic switch has extensive application in each trade, the most common is the contactor of industrial field, prior art's electromagnetic switch adopts the electromagnetic adsorption power to realize closing or breaking to the switch contact, nevertheless to the great switch of closed dynamics, only adopt the electromagnetic force as the switch closure effort can't ensure the switch can stabilize closed, and then lead to easily that the through current is little, the easy scheduling problem that breaks off, be difficult to satisfy the user demand, for this reason we have proposed an electromagnetic switch that closes firmly to solve the problem that proposes in the above-mentioned background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a closed firm electromagnetic switch to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an electromagnetic switch that closed is firm, includes casing, electromagnetic component, contact element, excitation coil, separates the magnetism lantern ring, activity core, fixed iron core, removal iron core, first contact and second contact, electromagnetic component and contact element are all established in the casing, excitation coil establishes in electromagnetic component, separate the magnetism lantern ring cover and establish on excitation coil, the activity core is established in contact element, fixed iron core establishes the bottom at shells inner wall, contact element's one end runs through to electromagnetic component inside and remove the iron core and link to each other, first contact is established on electromagnetic component, the second contact is established on the activity core and corresponding with the position of first contact.

Preferably, the bottom of the inner wall of the shell is provided with an insertion block, and the insertion block is inserted into the bottom of the electromagnetic component.

Preferably, a clamping groove is formed in the top of the electromagnetic component, and a clamping block matched with the movable core is arranged at the position, corresponding to the clamping groove, of the movable core.

Preferably, the surface of the shell is fixedly connected with mounting plates, and the number of the mounting plates is four and the mounting plates are symmetrically arranged on the left side and the right side of the shell in pairs.

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

1. the utility model discloses at the during operation through fixed iron core and the inter attraction between the removal iron core, make first contact and second contact each other, the switch-on current moves down with this movable core simultaneously, and in the fixture block inserted the draw-in groove, can realize firm closure, simple structure, reasonable in design can effectively guarantee the electric current volume of passing through, has avoided the interrupt, has satisfied diversified user demand.

2. The utility model discloses a set up the grafting piece, improved the firm degree of electromagnetic component installation in the shells inner wall bottom, prevent to produce not hard up or drop, through setting up draw-in groove and fixture block, through grafting each other, can effectively improve the closed degree of stability of electromagnetic switch, through setting up the mounting panel, be convenient for install electromagnetic switch.

Drawings

Fig. 1 is a structural section view of the front view of the present invention.

In the figure: the magnetic field generator comprises a shell 1, an electromagnetic component 2, a contact component 3, a magnet exciting coil 4, a magnet isolating sleeve 5, a movable core 6, a fixed iron core 7, a movable iron core 8, a first contact 9, a second contact 10, an insertion block 11, a clamping groove 12, a clamping block 13 and a mounting plate 14.

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, an electromagnetic switch with stable closing comprises a housing 1, an electromagnetic component 2, a contact component 3, an excitation coil 4, a magnetic isolation lantern ring 5, a movable core 6, a fixed iron core 7, a movable iron core 8, a first contact 9 and a second contact 10, wherein the surface of the housing 1 is fixedly connected with mounting plates 14, the number of the mounting plates 14 is four, the four mounting plates are arranged on the left side and the right side of the housing 1 in a pairwise symmetry manner, the electromagnetic component 2 and the contact component 3 are both arranged in the housing 1, the bottom of the inner wall of the housing 1 is provided with an insertion block 11, the insertion block 11 is inserted into the bottom of the electromagnetic component 2, the excitation coil 4 is arranged in the electromagnetic component 2, the magnetic isolation lantern ring 5 is sleeved on the excitation coil 4, the movable core 6 is arranged in the contact component 3, the top of the electromagnetic component 2 is provided with a clamping groove 12, a clamping block 13 matched with the movable core, one end of the contact component 3 penetrates into the electromagnetic component 2 to be connected with the movable iron core 8, the first contact 9 is arranged on the electromagnetic component 2, the second contact 10 is arranged on the movable core 6 and corresponds to the position of the first contact 9, the stability of the electromagnetic component 2 arranged at the bottom of the inner wall of the shell 1 is improved by arranging the inserting block 11, the looseness or falling off is prevented, the stability of the closing of the electromagnetic switch can be effectively improved by arranging the clamping groove 12 and the clamping block 13 through mutual insertion, the electromagnetic switch is convenient to install by arranging the installing plate 14, the first contact 9 and the second contact 10 are mutually contacted through mutual attraction between the fixed iron core 7 and the movable iron core 8 during working, the current is switched on, meanwhile, the movable core 6 moves downwards, the clamping block 13 is inserted into the clamping groove 12, the stable closing can be realized, the structure is simple, the design is reasonable, the flow of electricity that can effectively guarantee to pass through avoids the interrupt, has satisfied diversified user demand.

When the movable core is used, the first contact 9 and the second contact 10 are mutually contacted through mutual attraction between the fixed iron core 7 and the movable iron core 8, current is switched on, meanwhile, the movable core 6 moves downwards, and the clamping block 13 is inserted into the clamping groove 12, so that stable closing can be realized.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an electromagnetic switch that closed firm, includes casing (1), electromagnetic component (2), contact part (3), excitation coil (4), separates magnetism lantern ring (5), activity core (6), fixed iron core (7), removes iron core (8), first contact (9) and second contact (10), its characterized in that: electromagnetic component (2) and contact member (3) all establish in casing (1), establish in electromagnetic component (2) excitation coil (4), it establishes on excitation coil (4) to separate the cover of magnetism lantern ring (5), establish in contact member (3) activity core (6), establish the bottom at casing (1) inner wall in fixed iron core (7), the one end of contact member (3) runs through to electromagnetic component (2) inside and removes iron core (8) and link to each other, establish on electromagnetic component (2) first contact (9), second contact (10) are established on activity core (6) and corresponding with the position of first contact (9).

2. A closed robust electromagnetic switch as claimed in claim 1, wherein: the bottom of casing (1) inner wall is equipped with plug block (11), plug block (11) are pegged graft with the bottom of electromagnetic component (2).

3. A closed robust electromagnetic switch as claimed in claim 1, wherein: the top of the electromagnetic component (2) is provided with a clamping groove (12), and a clamping block (13) matched with the movable core (6) is arranged at the position corresponding to the clamping groove (12).

4. A closed robust electromagnetic switch as claimed in claim 1, wherein: the surface of the shell (1) is fixedly connected with mounting plates (14), and the number of the mounting plates (14) is four and the mounting plates are symmetrically arranged on the left side and the right side of the shell (1) in pairs.