CN210156323U

CN210156323U - Armature yoke limiting structure of relay

Info

Publication number: CN210156323U
Application number: CN201921218015.XU
Authority: CN
Inventors: 刘振伟
Original assignee: Sanyou Corp Ltd
Current assignee: Sanyou Corp Ltd
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2020-03-17
Anticipated expiration: 2029-07-29

Abstract

The utility model relates to the technical field of relays, in particular to an armature and yoke limiting structure of a relay, which comprises a yoke, a movable spring arranged on the yoke and an armature arranged on the movable spring, wherein the movable spring comprises a first sheet body and a second sheet body bent and extended from the first sheet body, the first sheet body is connected to the yoke, and the armature is connected to the second sheet body; the armature is provided with a first stop block and a second stop block which protrude out of the lower surface of the armature; the first stop block protrudes out of the yoke, and the movable spring is provided with a blocking part for blocking the first stop block; in the use process of the relay, the power unit of the relay drives the second sheet body of the movable spring to move through the armature, so that the second sheet body is connected with or disconnected from the terminal, in the moving process of the armature, the first stop block and the second stop block prevent the armature from being separated from the yoke iron along the front-back direction, the stop part is matched with the first stop block to prevent the armature from being separated from the yoke iron along the up-down direction, the armature is guaranteed to be stably limited on the yoke iron, and the stability of the use performance of the relay is guaranteed.

Description

Armature yoke limiting structure of relay

Technical Field

The utility model relates to a relay technical field especially discloses a spacing structure of armature yoke of relay.

Background

The relay is one of the common switches which control large current by using small current in the circuit, and has gradually become one of the essential elements of various large-scale electronic instruments, the types of the relay are various, and the electromagnetic relay is one of the common relay types.

Electromagnetic relay mostly includes armature, yoke and movable spring, and in order to promote electromagnetic relay's electromagnetic property, armature need form closed electromagnetic circuit with the yoke contact, and armature and yoke structure design are unreasonable among the prior art, and in the motion process of armature, armature often can throw off with the yoke, causes electromagnetic relay's unstable performance, and serious person still can lead to electromagnetic relay unable normal use.

SUMMERY OF THE UTILITY MODEL

In order to overcome the shortcoming and the not enough that exist among the prior art, the utility model aims to provide a spacing structure of armature yoke of relay, first dog, second dog prevent that armature from breaking away from along fore-and-aft direction and yoke, and the cooperation of stop portion and first dog prevents that armature from breaking away from along upper and lower direction and yoke, ensures that armature is firm spacing on the yoke, ensures the stability of relay performance.

In order to achieve the above object, the present invention provides an armature and yoke limiting structure for a relay, including a yoke, a movable spring disposed on the yoke, and an armature disposed on the movable spring, wherein the movable spring includes a first sheet and a second sheet bent and extended from the first sheet, the first sheet is connected to the yoke, and the armature is connected to the second sheet; the armature is provided with a first stop block and a second stop block which protrude out of the lower surface of the armature, the lower surface of the armature is abutted against the yoke, and the first stop block and the second stop block are positioned on two sides of the yoke; the first stop block protrudes out of the yoke, the movable spring is provided with a stop part for stopping the first stop block, and the stop part stops the first stop block so that the lower surface of the armature iron is abutted against the yoke.

Preferably, the first sheet body is provided with an opening, the stop part is a part of a side wall of the opening, and the first stop block protrudes out of the yoke and then enters the opening.

Preferably, one end of the yoke iron is provided with a first abdicating inclined plane which is convenient for the armature to rotate relative to the yoke iron, and the lower surface of the armature is abutted against the first abdicating inclined plane.

Preferably, one end of the first stop block close to the second stop block is provided with a second abdicating inclined plane which is convenient for the armature to rotate relative to the yoke.

Preferably, the first stop block is provided with a thickness reduction groove, the thickness reduction groove is formed by being concavely arranged from the upper surface of the first stop block, the bottom wall of the thickness reduction groove abuts against the upper surface of the armature, the stop part is located in the thickness reduction groove, and the stop part is used for abutting against and stopping the bottom wall of the thickness reduction groove.

Preferably, the armature is provided with a riveting column protruding out of the upper surface of the armature, the second sheet body is provided with a riveting hole for accommodating the riveting column, and the armature and the movable spring are riveted together with the second sheet body through the riveting column.

Preferably, the second sheet body is provided with a yielding through hole and an elastic sheet located in the yielding through hole, and the armature is connected to the elastic sheet.

Preferably, one end of the second sheet body, which is far away from the first sheet body, is connected with a moving point block, a free end of the elastic sheet is located at one end of the second sheet body, which is close to the first sheet body, the armature is connected to one end of the elastic sheet, which is close to the first sheet body, and the moving point block is used for conducting a main terminal of the relay.

Preferably, the same side of the second plate body, which is far away from the first plate body, is provided with two elastic contacts, the two elastic contacts are used for conducting an auxiliary terminal of the relay, and the elastic contacts and the moving point block are respectively located on the upper side and the lower side of the second plate body.

Preferably, one side of the elastic contact, which is far away from the moving point block, is provided with a spherical protrusion, and the spherical protrusion is used for contacting and conducting an auxiliary terminal of the relay.

The utility model has the advantages that: in the use process of the relay, the power unit of the relay drives the second sheet body of the movable spring to move through the armature, so that the second sheet body is connected with or disconnected from the terminal, in the moving process of the armature, the first stop block and the second stop block prevent the armature from being separated from the yoke iron along the front-back direction, the stop part is matched with the first stop block to prevent the armature from being separated from the yoke iron along the up-down direction, the armature is guaranteed to be stably limited on the yoke iron, and the stability of the use performance of the relay is guaranteed.

Drawings

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

FIG. 2 is a schematic view of the exploded structure of the present invention;

fig. 3 is a schematic perspective view of the movable spring of the present invention;

fig. 4 is a schematic perspective view of the armature of the present invention;

fig. 5 is a front view of the yoke of the present invention;

fig. 6 is a schematic perspective view of the armature at another viewing angle according to the present invention.

The reference numerals include:

1-yoke 2-moving spring 3-armature

4-first sheet body 5-second sheet body 6-first stop block

7-second stop 8-stop 9-hole

11-first abdicating inclined plane 12-second abdicating inclined plane 13-thickness reducing groove

14-riveting column 15-riveting hole 16-abdicating perforation

17-elastic piece 18-moving point block 19-elastic contact

21-spherical bulge.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and accompanying drawings, which are not intended to limit the present invention.

Referring to fig. 1 to 6, an armature and yoke limiting structure of a relay according to the present invention includes a yoke 1, a movable spring 2 disposed on the yoke 1, and an armature 3 disposed on the movable spring 2, wherein the yoke 1 is substantially L-shaped, the armature 3 is substantially flat, the movable spring 2 is substantially L-shaped, the movable spring 2 includes a first sheet 4 and a second sheet 5 bent and extended from the first sheet 4, the first sheet 4 and the second sheet 5 are substantially perpendicular to each other, the first sheet 4 is connected and fixed to the yoke 1, and the armature 3 is connected and fixed to a lower end of the second sheet 5.

The armature 3 is provided with a first stop block 6 and a second stop block 7 which protrude out of the lower surface of the armature 3, the lower surface of the armature 3 is abutted against the upper end surface of the yoke 1, and the first stop block 6 and the second stop block 7 are respectively positioned at the left side and the right side of the yoke 1; the first stop 6 protrudes out of the left side surface of the yoke 1, the movable spring 2 is provided with a stop portion 8 for stopping the first stop 6, the stop portion 8 is located above the first stop 6, and the stop portion 8 is used for abutting against and stopping the first stop 6 so that the lower surface of the armature 3 always abuts against the yoke 1.

In the use of relay, the power unit drive armature 3 of relay removes, because armature 3 installs on second lamellar body 5, can drive second lamellar body 5 removal of movable spring 2 when armature 3 removes to make second lamellar body 5 switch on or break off relay's terminal. During the movement of the armature 3, the side where the first stopper 6 and the second stopper 7 are close to each other is used for abutting and stopping the yoke 1, and the armature 3 is prevented from being separated from the yoke 1 in the front-rear direction. The stop part 8 is matched with the first stop block 6 to prevent the armature 3 from being separated from the yoke 1 along the up-down direction, namely, the lower end of the stop part 8 is abutted against and stops the upper end of the first stop block 6, so that the armature 3 is ensured to be stably limited on the yoke 1, the armature 3 and the yoke 1 are prevented from being separated from each other, and the stability of the service performance of the relay is ensured.

The first sheet 4 is provided with an opening 9, in this embodiment, the opening 9 penetrates through the first sheet 4 along a thickness direction of the first sheet 4, the stop portion 8 is a portion of a side wall of the opening 9, the stop portion 8 is a portion of an upper side wall of the opening 9, and the first stopper 6 protrudes out of the yoke 1 and then enters the opening 9. In the movement process of the armature 3, other side walls of the opening 9 can also play a role of limiting and stopping the first stop 6, so that the movement of the armature 3 is limited in advance, and the armature 3 is further prevented from moving excessively.

Yoke 1 one end has the first inclined plane of stepping down 11 that is convenient for armature 3 to rotate relative to yoke 1, and the lower surface of armature 3 is contradicted on first inclined plane of stepping down 11. In the rotation process of the armature 3 relative to the yoke 1, one end of the first abdicating inclined plane 11 is abutted against the lower surface of the armature 3, a gap is formed between the other end of the first abdicating inclined plane 11 and the lower surface of the armature 3, the armature 3 can be conveniently rotated relative to the yoke 1 through the gap, the armature 3 can be ensured to drive the second sheet body 5 to rotate, and the stability of the use performance of the relay is ensured.

One end of the first stop 6 close to the second stop 7 is provided with a second abdicating inclined plane 12 which is convenient for the armature 3 to rotate relative to the yoke 1. After the electromagnetic attraction of the relay disappears, the second sheet body 5 of the movable spring 2 drives the armature 3 to reset, and through the arrangement of the second abdicating inclined plane 12, the second sheet body 5 of the movable spring 2 can drive the armature 3 to reset accurately, so that the situation that the armature 3 cannot reset accurately due to the fact that the second stop 7 collides with the yoke 1 is avoided.

The first stop block 6 is provided with a thickness reducing groove 13, the thickness reducing groove 13 is formed by being concavely arranged on the upper surface of the first stop block 6, the bottom wall of the thickness reducing groove 13 is used for abutting against the upper surface of the armature 3, the stop part 8 is positioned in the thickness reducing groove 13, the stop part 8 is used for abutting against the bottom wall of the thickness reducing groove 13, and the side wall of the thickness reducing groove 13 stops abutting against the stop part 8. Through the arrangement of the thickness reducing groove 13, the stop part 8 is used for assisting in stopping the limit armature 3, and the armature 3 is further prevented from being separated from the yoke 1 due to excessive movement.

The armature 3 is provided with a riveting column 14 protruding out of the upper surface of the armature 3, the second sheet body 5 is provided with a riveting hole 15 for accommodating the riveting column 14, and the armature 3 and the movable spring 2 are riveted with the second sheet body 5 through the riveting column 14. During the in-service use, pack riveting post 14 into riveting hole 15 earlier, then utilize external riveting equipment to rivet riveting post 14 to be in the same place armature 3 and the quick accurate riveting of second lamellar body 5. Preferably, the number of the riveting columns 14 and the number of the riveting holes 15 are both two, and the matching of the two riveting columns 14 and the two riveting holes 15 ensures that the second sheet body 5 and the armature 3 are aligned quickly, so that the riveting yield of the armature 3 and the second sheet body 5 is improved.

The second sheet body 5 is provided with a yielding through hole 16 and an elastic sheet 17 positioned in the yielding through hole 16, and the armature 3 is connected and fixed on the elastic sheet 17. Through the setting of hole 16 and the flexure strip 17 of stepping down, reduce the intensity of second lamellar body 5, promote the elasticity performance of second lamellar body 5, increase the elasticity of second lamellar body 5, ensure that second lamellar body 5 can drive armature 3 fast and reset, avoid the terminal separation of second lamellar body 5 of movable spring 2 and relay to cause the contact adhesion slowly.

The end, far away from first lamellar body 4, of second lamellar body 5 is connected with moving point piece 18, and moving point piece 18 adopts conducting material to make, and in this embodiment, moving point piece 18 is located the below of second lamellar body 5, and the free end of flexure strip 17 is located the one end that second lamellar body 5 is close to first lamellar body 4, and armature 3 connects to be fixed on the one end that flexure strip 17 is close to first lamellar body 4, and moving point piece 18 is used for switching on the main terminal of relay.

Two elastic contacts 19 are arranged on the same side of the second sheet body 5 away from the first sheet body 4, the two elastic contacts 19 are used for conducting auxiliary terminals of the relay, and the elastic contacts 19 and the moving point block 18 are respectively located on the upper side and the lower side of the second sheet body 5. When the elastic contact 19 contacts and conducts the auxiliary terminal, the elastic contact 19 is elastically deformed, and the elastic restoring force of the elastic contact 19 is utilized to ensure that the elastic contact 19 is stably contacted and conducted with the auxiliary terminal, so that the elastic contact 19 and the auxiliary terminal are prevented from being separated due to the vibration of the relay.

The side of the elastic contact 19 away from the moving point block 18 is provided with a spherical bulge 21, and the spherical bulge 21 is used for contacting with an auxiliary terminal of a conduction relay. Through the arrangement of the spherical bulge 21, the interference caused by the point discharge between the elastic contact 19 and the auxiliary terminal to the normal use of the relay is avoided, and the use performance of the relay is improved.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. The armature and yoke limiting structure of the relay comprises a yoke, a movable spring arranged on the yoke and an armature arranged on the movable spring, wherein the movable spring comprises a first sheet body and a second sheet body bent and extended from the first sheet body, the first sheet body is connected to the yoke, and the armature is connected to the second sheet body; the method is characterized in that: the armature is provided with a first stop block and a second stop block which protrude out of the lower surface of the armature, the lower surface of the armature is abutted against the yoke, and the first stop block and the second stop block are positioned on two sides of the yoke; the first stop block protrudes out of the yoke, the movable spring is provided with a stop part for stopping the first stop block, and the stop part stops the first stop block so that the lower surface of the armature iron is abutted against the yoke.

2. The armature yoke limit structure of the relay according to claim 1, characterized in that: the first sheet body is provided with an opening, the stopping part is a part of the side wall of the opening, and the first stopping block protrudes out of the yoke and then enters the opening.

3. The armature yoke limit structure of the relay according to claim 1, characterized in that: yoke iron one end has the first inclined plane of stepping down that is convenient for armature relative yoke iron to rotate, and the lower surface of armature is contradicted on first inclined plane of stepping down.

4. The armature yoke limit structure of the relay according to claim 1, characterized in that: and a second abdicating inclined plane convenient for the armature to rotate relative to the yoke is arranged at one end of the first stop block close to the second stop block.

5. The armature yoke limit structure of the relay according to claim 1, characterized in that: the first stop block is provided with a thickness reducing groove, the thickness reducing groove is formed by being concavely arranged from the upper surface of the first stop block, the bottom wall of the thickness reducing groove abuts against the upper surface of the armature, the stopping part is located in the thickness reducing groove, and the stopping part is used for abutting against the bottom wall of the thickness reducing groove.

6. The armature yoke limit structure of the relay according to claim 1, characterized in that: the armature is provided with a riveting column which protrudes out of the upper surface of the armature, the second sheet body is provided with a riveting hole for accommodating the riveting column, and the armature and the movable spring are riveted together through the riveting column and the second sheet body.

7. The armature yoke limit structure of the relay according to claim 1, characterized in that: the second lamellar body is equipped with and steps down the perforation and is located the flexure strip in the perforation of stepping down, and armature is connected to the flexure strip.

8. The armature yoke limit structure of the relay according to claim 7, characterized in that: the one end that first lamellar body was kept away from to the second lamellar body is connected with moves some piece, and the free end of flexure strip is located the one end that the second lamellar body is close to first lamellar body, and armature is connected to the one end that the flexure strip is close to first lamellar body, moves some piece and is used for switching on the main terminal of relay.

9. The armature yoke position limiting structure of the relay according to claim 8, characterized in that: two elastic contacts are arranged on the same side, away from the first sheet body, of the second sheet body and used for conducting an auxiliary terminal of the relay, and the elastic contacts and the moving point block are respectively located on the upper side and the lower side of the second sheet body.

10. The armature yoke position limiting structure of the relay according to claim 9, characterized in that: one side of the elastic contact, which is far away from the moving point block, is provided with a spherical bulge, and the spherical bulge is used for contacting and conducting an auxiliary terminal of the relay.