CN214477228U

CN214477228U - Relay

Info

Publication number: CN214477228U
Application number: CN202120893842.XU
Authority: CN
Inventors: 虞乐克; 吴微克
Original assignee: Wenzhou Jiajie Electrical Co ltd
Current assignee: Wenzhou Jiajie Electrical Co ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-10-22
Anticipated expiration: 2031-04-27

Abstract

The utility model relates to a relay, contain base and casing, the base can be dismantled with the casing and be connected, be equipped with solenoid on the base, the moving contact subassembly, normally open static contact and normally closed static contact, the moving contact subassembly contains the moving contact, be equipped with first electrically conductive piece on the normally open static contact, be equipped with the mounting hole on the casing, the bottom of mounting hole is equipped with second electrically conductive piece, install on the base at the casing, the conflict contact of second electrically conductive piece and first electrically conductive piece, threaded connection has the pilot lamp in the mounting hole, pilot lamp and the contact of second electrically conductive piece, when the moving contact contacts with normally open static contact, first electrically conductive piece and the contact of second electrically conductive piece, the pilot lamp lights, when the moving contact contacts with normally closed static contact, first electrically conductive piece breaks away from with second electrically conductive piece, the pilot lamp is closed, be equipped with the light zone that can supply pilot lamp light to pass through on the casing. By adopting the technical scheme, the indicator lamp can be replaced in time when the indicator lamp fails, and the circuit in the shell is simple, so that the short circuit of the relay is avoided.

Description

Relay

Technical Field

The utility model relates to a relay field especially indicates a relay.

Background

The relay is an automatic switch element with an isolation function, is widely applied to remote control, remote measurement, communication, automatic control, electromechanical integration and power electronic equipment, is one of the most important control elements, and generally has an induction mechanism (an input part) capable of reflecting certain input variables (such as current, voltage, power, impedance, frequency, temperature, pressure, speed, light and the like); an actuating mechanism (output part) which can realize the on and off control of the controlled circuit; between the input part and the output part of the relay, there is also an intermediate mechanism (driving part) for coupling and isolating the input quantity, processing the function and driving the output part.

The current relay is in order to facilitate discerning whether this relay switches on or cuts off the power supply, is equipped with the pilot lamp on the relay generally, and the pilot lamp is equipped with the pass through switch area in locating the casing of relay on the casing, and the pilot lamp passes through the wire to be connected in electrically conductive pin, or the pilot lamp is directly located on the electrically conductive pin.

Adopt above-mentioned technical scheme, have following problem, when the pilot lamp broke down, because the pilot lamp is located in the casing, and the pilot lamp passes through the wire and connects in electrically conductive pin, or the pilot lamp directly locates on electrically conductive pin, causes the unable change of pilot lamp, connects in electrically conductive pin through the wire as the pilot lamp, still causes the circuit in the casing to be mixed and disorderly, causes the short circuit easily.

Disclosure of Invention

The utility model aims at: in order to overcome the defects of the prior art, the utility model provides a relay, it can in time be changed when the pilot lamp breaks down, still makes the circuit in the casing succinct, avoids the relay short circuit.

The technical scheme of the utility model: a relay comprises a base and a shell, wherein the base is detachably connected with the shell, an electromagnetic coil, a moving contact component, a normally open static contact and a normally closed static contact are arranged on the base, the moving contact component comprises a moving contact, it is characterized in that a first conductive piece is arranged on the normally open static contact, a mounting hole is arranged on the shell, a second conductive piece is arranged at the bottom of the mounting hole, the shell is arranged on the base, the second conductive piece is contacted with the first conductive piece in a butting way, the inner thread of the mounting hole is connected with an indicator light which is contacted with the second conductive piece, when the moving contact contacts with the normally open static contact, the first conductive piece contacts with the second conductive piece, the indicator light is lighted, when the moving contact contacts with the normally closed static contact, the first conductive piece is separated from the second conductive piece, the indicator lamp is turned off, and the shell is provided with a light transmitting area for light of the indicator lamp to penetrate.

By adopting the technical scheme, when the electromagnetic coil is electrified, the moving contact is contacted with the normally open static contact, the first conductive piece is electrified, the indicating lamp is lightened due to the contact of the indicating lamp component and the first conductive piece, when the electromagnetic coil is powered off, the moving contact is separated from the normally open static contact and is contacted with the normally closed static contact, the first conductive piece is electrified, the indicating lamp is not lightened due to the contact of the indicating lamp component and the first conductive piece, the indicating lamp is lightened or not lightened through the indicating lamp, whether the relay is in a working state or not is confirmed, or whether the relay normally works or not is detected, and the indicating lamp is arranged on the shell and is in threaded connection with the shell, so that the indicating lamp can be replaced when the indicating lamp fails and cannot work.

The utility model discloses a further setting again: the pilot lamp contains the lamp stand, and lamp stand screw thread installation is in the mounting hole, and with the contact of the electrically conductive piece of second, can dismantle on the lamp stand and be connected with the lamp pearl, still can dismantle on the lamp stand and be connected with the lamp shade, the lamp shade printing opacity sets up, forms printing opacity is distinguished.

Adopt above-mentioned further setting again, the lamp shade can be dismantled with the lamp stand, is convenient for damage the messenger at the lamp pearl and changes the lamp pearl, reduce cost.

The utility model discloses a further setting again: the first conductive piece is a conductive elastic piece, the conductive elastic piece is bent to form a connecting part integrally connected with the normally open static contact and a conductive part contacted with the second conductive piece, and the second conductive piece is a conductive piece.

By adopting the above further arrangement, the conductive elastic sheet and the conductive sheet have simple structures, are convenient to produce and install, and make the internal structure of the relay simple.

The utility model discloses a still further set up: the moving contact component comprises a yoke support, an armature is arranged on the yoke support in a swinging mode, a moving contact mounting seat is arranged on the armature, a moving contact piece is arranged on the moving contact seat, one end, provided with a moving contact, of the moving contact piece is located between a normally open static contact and a normally closed static contact, one end, far away from the normally open static contact, of the armature is connected to the yoke support through a reset tension spring and used for achieving reset when the electromagnetic coil is powered off, and the moving contact is in contact with the normally closed static contact.

When the electromagnetic coil is powered on, the electromagnetic coil generates electromagnetic force, the magnetically attractable armature swings towards the direction of the electromagnetic coil, the armature overcomes the tension of the reset tension spring to drive the moving contact mounting seat to swing towards the direction of the electromagnetic coil, so that the moving contact piece drives the moving contact to swing to the normally open static contact and to be in contact with the normally open static contact, when the electromagnetic coil is powered off, the electromagnetic force of the electromagnetic coil is lost, the reset tension spring drives the armature to swing away from the electromagnetic coil, the armature drives the moving contact mounting seat to swing away from the electromagnetic coil, and the moving contact piece drives the moving contact to move away from the normally open static contact and to be in contact with the normally closed static contact.

The utility model discloses a still further set up: and the base is provided with a wiring pin which is electrically connected with the movable contact spring through a lead.

The electromagnetic coil is electrified, and the moving contact is contacted with the normally open static contact, so that the relay works.

Drawings

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

FIG. 2 is a cross-sectional view of an embodiment of the present invention;

FIG. 3 is a block diagram of an embodiment of the present invention;

FIG. 4 is a block diagram of an embodiment of the present invention;

fig. 5 is a cross-sectional view of an indicator light according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that the description in the present invention as referring to "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it is necessary that a person skilled in the art can realize the technical solutions, and when the technical solutions are contradictory or cannot be realized, such a combination of the technical solutions should be considered to be absent and not within the protection scope of the present invention.

As shown in fig. 1-5, a relay of the present invention includes a base 1 and a housing 2, the base 1 is detachably connected to the housing 2, the base 1 is provided with an electromagnetic coil 3, a moving contact assembly 4, a normally open static contact 5 and a normally closed static contact 10, the moving contact assembly 4 includes a moving contact 41, the normally open static contact 5 is provided with a first conductive member 6, the housing 2 is provided with a mounting hole 21, the bottom of the mounting hole 21 is provided with a second conductive member 7, the housing 2 is mounted on the base 1, the second conductive member 7 is in contact with the first conductive member 6, the mounting hole 21 is internally threaded with an indicator light 8, the indicator light 8 is in contact with the second conductive member 7, when the moving contact 41 is in contact with the normally open static contact 5, the first conductive member 6 is in contact with the second conductive member 7, the indicator light 8, when the moving contact 41 is in contact with the normally closed static contact 10, the first conductive piece 6 is separated from the second conductive piece 7, the indicator light 8 is turned off, and the shell 2 is provided with a light-transmitting area for the light of the indicator light 8 to penetrate.

When the electromagnetic coil 3 is powered on, the movable contact 41 is in contact with the normally open fixed contact 5, the first conductive piece 6 is powered on, the indicating lamp 8 is turned on due to the contact of the indicating lamp 8 component and the first conductive piece 6, when the electromagnetic coil 3 is powered off, the movable contact 41 is separated from the normally open fixed contact 5, the movable contact 41 is in contact with the normally closed fixed contact 10, the first conductive piece 6 is powered on, the indicating lamp 8 component is in contact with the first conductive piece 6, the indicating lamp 8 is not turned on, the indicating lamp 8 is turned on or off through the indicating lamp 8, whether the relay is in a working state or not is determined, or whether the relay normally works is detected, the indicating lamp 8 is arranged on the shell 2 and is in threaded connection with the shell 2, and when the indicating lamp 8 fails and cannot work, the indicating lamp 8 is replaceable.

Wherein, pilot lamp 8 contains lamp stand 81, and lamp stand 81 screw thread is installed in mounting hole 21, and contacts with second electrically conductive piece 7, can dismantle on the lamp stand 81 and be connected with lamp pearl 82, still can dismantle on the lamp stand 81 and be connected with lamp shade 83, lamp shade 83 printing opacity sets up, forms the printing opacity is distinguished.

The lampshade 83 is detachable from the lamp holder 81, so that the lamp bead 82 can be conveniently replaced when the lamp bead 82 is damaged, and the cost is reduced.

The first conductive piece 6 is a conductive elastic piece, the conductive elastic piece is bent to form a connecting portion 61 integrally connected with the normally open static contact 5 and a conductive portion 62 contacting with the second conductive piece 7, and the second conductive piece 7 is a conductive piece.

The conductive elastic sheet and the conductive sheet have simple structures, are convenient to produce and install, and ensure that the internal structure of the relay is simple.

The moving contact assembly 4 comprises a yoke support 42, an armature 43 is arranged on the yoke support 42 in a swinging mode, a moving contact mounting seat 44 is arranged on the armature 43, a moving contact blade 45 is arranged on the moving contact mounting seat 44, one end, provided with a moving contact 41, of the moving contact blade 45 is located between the normally open static contact 5 and the normally closed static contact 10, one end, far away from the normally open static contact 5, of the armature 43 is connected to the yoke support 42 through a reset tension spring 46 and used for powering off the electromagnetic coil 3, and the moving contact 41 is in contact with the normally closed static contact 10 to achieve resetting.

When the electromagnetic coil 3 is powered on, the electromagnetic coil 3 generates an electromagnetic force, the magnetically attractable armature 43 swings towards the direction of the electromagnetic coil 3, the armature 43 overcomes the pulling force of the reset tension spring 46 to drive the moving contact mounting seat 44 to swing towards the direction of the electromagnetic coil 3, so that the moving contact 41 is driven by the moving contact to swing to the normally open static contact 5 and to be in contact with the normally open static contact 5, when the electromagnetic coil 3 is powered off, the electromagnetic force of the electromagnetic coil 3 is lost, the reset tension spring 46 drives the armature 43 to swing away from the electromagnetic coil 3, the armature 43 drives the moving contact mounting seat 44 to swing away from the electromagnetic coil 3, so that the moving contact 41 is driven by the moving contact to move away from the normally open static contact 5 and to be in contact with the normally closed static contact 10.

The base 1 is provided with a wiring pin 9, the wiring pin 9 is electrically connected with the movable contact spring through a lead wire and used for electrifying the electromagnetic coil 3, and the movable contact 41 is contacted with the normally open static contact 5 to realize the work of the relay.

Claims

1. A relay comprises a base and a shell, wherein the base is detachably connected with the shell, an electromagnetic coil, a moving contact component, a normally open static contact and a normally closed static contact are arranged on the base, the moving contact component comprises a moving contact, it is characterized in that a first conductive piece is arranged on the normally open static contact, a mounting hole is arranged on the shell, a second conductive piece is arranged at the bottom of the mounting hole, the shell is arranged on the base, the second conductive piece is contacted with the first conductive piece in a butting way, the inner thread of the mounting hole is connected with an indicator light which is contacted with the second conductive piece, when the moving contact contacts with the normally open static contact, the first conductive piece contacts with the second conductive piece, the indicator light is lighted, when the moving contact contacts with the normally closed static contact, the first conductive piece is separated from the second conductive piece, the indicator lamp is turned off, and the shell is provided with a light transmitting area for light of the indicator lamp to penetrate.

2. The relay according to claim 1, wherein said indicator light comprises a lamp holder, the lamp holder is threadedly mounted in the mounting hole and contacts with the second conductive member, a lamp bead is detachably connected to the lamp holder, and a lamp cover is detachably connected to the lamp holder, said lamp cover being light-transmissive and forming said light-transmissive region.

3. The relay according to claim 1 or 2, wherein the first conductive member is a conductive elastic sheet, the conductive elastic sheet is bent to form a connection portion integrally connected with the normally open static contact, and a conductive portion in contact with the second conductive member, and the second conductive member is a conductive sheet.

4. The relay according to claim 1 or 2, wherein the moving contact assembly comprises a yoke support, an armature is arranged on the yoke support in a swinging manner, a moving contact mounting seat is arranged on the armature, a moving contact blade is arranged on the moving contact seat, one end of the moving contact blade, which is provided with a moving contact, is located between the normally open static contact and the normally closed static contact, and one end of the armature, which is far away from the normally open static contact, is connected to the yoke support through a reset tension spring so as to realize reset when the electromagnetic coil is powered off and the moving contact is in contact with the normally closed static contact.

5. The relay according to claim 1 or 2, wherein the base is provided with a wiring pin, and the wiring pin is electrically connected with the movable contact piece through a wire.