CN211062616U

CN211062616U - High-efficiency energy-saving electromagnetic switch

Info

Publication number: CN211062616U
Application number: CN201921885817.6U
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: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-07-21
Anticipated expiration: 2029-11-04

Abstract

The utility model discloses an energy-efficient electromagnetic switch, including casing, electromagnetic component and contact unit all establish inside the casing, electromagnetic component's inboard has cup jointed excitation coil through separating the magnetic ring, contact unit's inboard is equipped with movable core, be equipped with movable core on the movable core. The utility model discloses a to excitation coil circular telegram, move iron core and quiet iron core inter attraction, the back moves down of activity core, stationary contact and movable contact each other contact, rotate threaded rod, threaded connection is under spacing slider limiting displacement in the push pedal on it, promote the connecting plate to the inboard, through the connection of connecting rod, connecting contact and stationary contact and movable contact simultaneously, excitation coil outage this moment under, the on-state before also still can guaranteeing its outage, and then the loss of electric energy has been reduced, the electro-magnet iron core that leads to after having avoided long-term use simultaneously is magnetized, and service life is prolonged.

Description

High-efficiency energy-saving electromagnetic switch

Technical Field

The utility model relates to an electromagnetic switch technical field specifically is an energy-efficient 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. Produce electromagnetic attraction after the electromagnetism iron coil circular telegram, movable iron core pushes away or pulls the switch contact closure to switch on the control circuit, prior art's electromagnetic switch need last the power supply to the electro-magnet when guaranteeing that transmission of electricity circuit switches on, not only can increase the loss of electric energy, can cause the iron core magnetization of electro-magnet after using for a long time moreover, cause unable the use, be difficult to satisfy the user demand, we have proposed an energy-efficient electromagnetic switch for this reason, in order to solve the problem that proposes among the above-mentioned background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an energy-efficient 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: an efficient energy-saving electromagnetic switch comprises a shell, an electromagnetic component and a contact component, wherein the electromagnetic component and the contact component are arranged inside the shell, the inner side of the electromagnetic component is sleeved with an excitation coil through a magnetism isolating ring, the inner side of the contact component is provided with a movable core, the movable core is provided with a movable iron core, the bottom of the inner wall of the shell is provided with a static iron core matched with the movable iron core for use, the electromagnetic component is provided with a static contact, the movable core is provided with a movable contact matched with the static contact for use, and the left side and the right side of the shell are provided with contact connecting mechanisms;

The contact connecting mechanism comprises a connecting shell, the right side of the connecting shell is fixedly connected with the left side of the shell, a threaded rod is arranged on the left side of the connecting shell, the right end of the threaded rod penetrates through the connecting shell and extends to the inside of the connecting shell, a push plate is connected to the surface of the threaded rod positioned inside the connecting shell in a threaded manner, the top of the push plate is connected with the top of the inner wall of the connecting shell in a sliding manner through a limiting sliding block, a connecting plate is arranged on the right side of the push plate, the right side of the connecting plate is fixedly connected with the left side of the shell through two springs, a connecting rod is fixedly connected between the two springs and positioned on the right side of the connecting plate, the right end of the connecting rod penetrates through the shell and extends to the inside of the.

Preferably, the connecting shell inner wall top and the position fixedly connected with bearing frame that corresponds the threaded rod, the one end of threaded rod runs through the bearing frame and extends to its outside rather than swing joint.

Preferably, the left end of the threaded rod is fixedly connected with a rotating handle, and anti-skid grains are formed in the surface of the rotating handle.

Preferably, a protection pad is fixedly connected to the contact part at a position corresponding to the connecting contact, and the protection pad is made of rubber.

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

1. The utility model discloses a to excitation coil circular telegram, move iron core and quiet iron core inter attraction, the back moves down of activity core, stationary contact and movable contact each other contact, rotate threaded rod, threaded connection is under spacing slider limiting displacement in the push pedal on it, promote the connecting plate to the inboard, through the connection of connecting rod, connecting contact and stationary contact and movable contact simultaneously, excitation coil outage this moment under, the on-state before also still can guaranteeing its outage, and then the loss of electric energy has been reduced, the electro-magnet iron core that leads to after having avoided long-term use simultaneously is magnetized, and service life is prolonged.

2. The utility model discloses a set up the bearing frame, carry out joint support to the screw rod, improved the steadiness of threaded rod when rotating, through setting up rotatory handle, convenient to use person rotates the screw rod, has improved the convenient degree of operation, through setting up the protection pad, prevents that the spring from driving when the contact point return, and its surface leads to the fact the striking with contact element.

Drawings

FIG. 1 is a sectional view of the front view of the present invention;

Fig. 2 is a structural section view of a front view of the contact connecting mechanism of the present invention.

In the figure: 1 shell, 2 electromagnetic parts, 3 contact parts, 4 magnetic isolation rings, 5 excitation coils, 6 movable cores, 7 movable iron cores, 8 static iron cores, 9 static contacts, 10 movable contacts, 11 contact connecting mechanisms, 111 connecting shells, 112 threaded rods, 113 push plates, 114 limiting sliding blocks, 115 connecting plates, 116 springs, 117 connecting rods, 118 connecting contacts, 119 bearing seats, 1110 rotating handles and 12 protective pads.

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. 1-2, an efficient energy-saving electromagnetic switch includes a housing 1, an electromagnetic component 2 and a contact component 3, the electromagnetic component 2 and the contact component 3 are both disposed inside the housing 1, an excitation coil 5 is sleeved on the inner side of the electromagnetic component 2 through a magnetism isolating ring 4, a movable core 6 is disposed on the inner side of the contact component 3, a movable iron core 7 is disposed on the movable core 6, a stationary iron core 8 used in cooperation with the movable iron core 7 is disposed at the bottom of the inner wall of the housing 1, a stationary contact 9 is disposed on the electromagnetic component 2, a movable contact 10 used in cooperation with the stationary contact 9 is disposed on the movable core 6, and contact connection mechanisms 11 are disposed on the left side and the right.

The contact connecting mechanism 11 comprises a connecting shell 111, the right side of the connecting shell 111 is fixedly connected with the left side of the shell 1, the left side of the connecting shell 111 is provided with a threaded rod 112, the left end of the threaded rod 112 is fixedly connected with a rotating handle 1110, the surface of the rotating handle 1110 is provided with anti-skid threads, the right end of the threaded rod 112 penetrates through the connecting shell 111 and extends into the connecting shell, the top of the inner wall of the connecting shell 111 is fixedly connected with a bearing seat 119 corresponding to the position of the threaded rod 112, one end of the threaded rod 112 penetrates through the bearing seat 119 and extends to the outside to be movably connected with the bearing seat, the surface of the threaded rod 112 positioned in the connecting shell 111 is in threaded connection with a push plate 113, the top of the push plate 113 is in sliding connection with the top of the inner wall of the connecting shell 111 through a limiting slide block 114, the right side of the push plate 113 is provided with a connecting plate 115, the, the right end of the connecting rod 117 penetrates through the shell 1 and extends to the inside of the shell to be provided with a connecting contact 118 which is matched with the fixed contact 9 and the movable contact 10, the surface of the connecting contact 118 is contacted with the fixed contact 9, the position of the contact part 3 corresponding to the connecting contact 118 is fixedly connected with a protective pad 12, the protective pad 12 is made of rubber, the threaded rod 112 is connected and supported by arranging a bearing seat 119, the smoothness of the threaded rod 112 in rotation is improved, a user can rotate the threaded rod 112 conveniently by arranging a rotating handle 1110, the convenience of operation is improved, the protective pad 12 is arranged to prevent the surface of the spring 116 from being impacted with the contact part 3 when the spring 116 drives the movable connecting contact 118 to return, the movable iron core 7 and the fixed iron core 8 are mutually attracted by electrifying the magnet exciting coil 5, the fixed contact 9 and the movable contact 10 are mutually contacted after the movable core 6 moves down, the threaded rod 112 is rotated, the push plate 113 connected to the threaded rod pushes the connecting plate 115 inwards under the limiting action of the limiting sliding block 114, the connecting contact 118 is simultaneously contacted with the fixed contact 9 and the movable contact 10 through the connection of the connecting rod 117, and at the moment, the on-state of the exciting coil 5 before power failure can still be ensured under the power failure of the exciting coil, so that the loss of electric energy is reduced, the magnetization of an electromagnet iron core caused after long-term use is avoided, and the service life is prolonged.

When the device is used, the excitation coil 5 is electrified, the movable iron core 7 and the fixed iron core 8 are mutually attracted, after the movable core 6 moves downwards, the fixed contact 9 and the movable contact 10 are mutually contacted, the threaded rod 112 rotates, the push plate 113 connected to the threaded rod inwards pushes the connecting plate 115 under the limiting action of the limiting slider 114, the connecting contact 118 is simultaneously contacted with the fixed contact 9 and the movable contact 10 through the connection of the connecting rod 117, and at the moment, the excitation coil 5 can still be ensured to be in a conducting state before power failure.

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. An energy-efficient electromagnetic switch, includes casing (1), electromagnetic component (2) and contact member (3), its characterized in that: the electromagnetic component (2) and the contact component (3) are arranged inside the shell (1), the inner side of the electromagnetic component (2) is sleeved with the excitation coil (5) through the magnetism isolating ring (4), the inner side of the contact component (3) is provided with the movable core (6), the movable core (6) is provided with the movable iron core (7), the bottom of the inner wall of the shell (1) is provided with the static iron core (8) matched with the movable iron core (7) for use, the electromagnetic component (2) is provided with the static contact (9), the movable core (6) is provided with the movable contact (10) matched with the static contact (9) for use, and the left side and the right side of the shell (1) are both provided with the contact connecting mechanisms (11);

The contact connecting mechanism (11) comprises a connecting shell (111), the right side of the connecting shell (111) is fixedly connected with the left side of the shell (1), a threaded rod (112) is arranged on the left side of the connecting shell (111), the right end of the threaded rod (112) penetrates through the connecting shell (111) and extends into the connecting shell (111), a push plate (113) is connected to the surface of the threaded rod (112) inside the connecting shell (111) in a threaded manner, the top of the push plate (113) is connected with the top of the inner wall of the connecting shell (111) in a sliding manner through a limiting sliding block (114), a connecting plate (115) is arranged on the right side of the push plate (113), the right side of the connecting plate (115) is fixedly connected with the left side of the shell (1) through two springs (116), a connecting rod (117) is fixedly connected to the right side of the connecting plate (115) and is arranged between the two springs (116), and the right end of the connecting rod (117) penetrates through the shell (1) and extends A connecting contact (118), the surface of the connecting contact (118) and the static contact (9) are contacted with each other.

2. An energy-efficient electromagnetic switch according to claim 1, characterized in that: connect shell (111) inner wall top and correspond the position fixed connection of threaded rod (112) and have bearing frame (119), the one end of threaded rod (112) runs through bearing frame (119) and extends to its outside rather than swing joint.

3. An energy-efficient electromagnetic switch according to claim 1, characterized in that: the left end fixedly connected with of threaded rod (112) rotates handle (1110), anti-skidding line has been seted up on the surface of rotation handle (1110).

4. An energy-efficient electromagnetic switch according to claim 1, characterized in that: the position of the contact component (3) corresponding to the connecting contact (118) is fixedly connected with a protective pad (12), and the protective pad (12) is made of rubber.