CN210628205U - Low-noise movable contact spring and electromagnetic relay thereof - Google Patents
Low-noise movable contact spring and electromagnetic relay thereof Download PDFInfo
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- CN210628205U CN210628205U CN201921414799.3U CN201921414799U CN210628205U CN 210628205 U CN210628205 U CN 210628205U CN 201921414799 U CN201921414799 U CN 201921414799U CN 210628205 U CN210628205 U CN 210628205U
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Abstract
The utility model discloses a low-noise movable reed and an electromagnetic relay thereof, wherein the low-noise movable reed comprises a reed body; the reed body is bent into an approximately L-shaped shape, one side of the L shape of the reed body is provided with a first connecting part, the other side of the L shape of the reed body close to the tail end is provided with a second connecting part, the second connecting part is provided with a first tongue piece with a free end part, and the first tongue piece is provided with a third connecting part; and a second tongue piece with a free end part is arranged at the joint of the other side of the L shape of the reed body, which is close to one side of the L shape of the reed body, and an included angle which enables the second tongue piece to always press the armature is formed between the second tongue piece and the other side of the L shape of the reed body. The utility model discloses a noise that produces when this kind of structure can reduce the armature release of relay has avoided the influence of noise to relay result of use.
Description
Technical Field
The utility model relates to a relay technical field especially relates to a low noise movable contact spring and electromagnetic relay thereof.
Background
A relay is an electronic control device having a control system (also called an input loop) and a controlled system (also called an output loop), which is commonly used in automatic control circuits, and which is actually an "automatic switch" that uses a small current to control a large current. Therefore, the circuit plays the roles of automatic regulation, safety protection, circuit conversion and the like.
An electromagnetic relay in the prior art adopts a clapper type structure, and generally comprises a movable spring, an armature and a yoke, wherein the movable spring is bent into an approximately L-shaped shape, one L-shaped side of the movable spring is fixed with the yoke, the other L-shaped side of the movable spring is fixed with the armature, a movable contact is arranged at the position close to the tail end of the other L-shaped side of the movable spring, when a coil of the electromagnetic relay is electrified, the armature is attracted to an iron core of the electromagnetic relay, the armature drives the other L-shaped side of the movable spring to swing, the movable contact at the other L-shaped side of the movable spring is contacted with a fixed contact at a corresponding position, and when the coil of the electromagnetic relay is powered off, the movable spring resets by using elastic force formed by bending of the movable spring, and the movable contact and the fixed contact of the movable. Due to the over travel, when the armature is at the attraction position, a certain distance is formed between the armature and the tail end part of the other side of the L shape of the movable spring (namely the part from the connection position of the armature and the movable spring to the tail end), and when the armature is released, the armature collides with the tail end part of the other side of the L shape of the movable spring to generate noise, so that the using effect of the relay is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a low noise movable contact spring and electromagnetic relay thereof, through the institutional advancement to the movable contact spring, produced noise when the armature that can reduce the relay releases has avoided the influence of noise to the relay result of use.
The utility model provides a technical scheme that its technical problem adopted is: a low-noise movable reed comprises a reed body; the reed body is bent into an approximately L-shaped shape, one side of the L shape of the reed body is provided with a first connecting part for fixing with a yoke, the other side of the L shape of the reed body close to the tail end is provided with a second connecting part for fixing a moving contact, the second connecting part is provided with a first tongue piece with a free end part extending towards one side of the L shape of the reed body, and the first tongue piece is provided with a third connecting part for fixing with an armature; and a second tongue piece with a free end part extends in the direction away from one side of the L shape of the reed body at the joint of the other side of the L shape of the reed body, which is close to one side of the L shape of the reed body, and an included angle enabling the second tongue piece to always press the armature is formed between the second tongue piece and the other side of the L shape of the reed body.
The first connecting part is arranged at one side of the L shape of the reed body close to the tail end, the L-shaped side of the reed body and the other L-shaped side of the reed body are respectively provided with two fins which are correspondingly connected together, and the first connecting part and the second connecting part are connected together through the two fins which are correspondingly connected together; the first tongue piece is positioned between two wings on the other side of the L-shape of the reed body.
The two second tongues are respectively positioned on the outer sides of the two wing pieces on the other side of the L shape of the reed body.
The third connecting part is arranged at the end of the first tongue piece.
The tail end of the second tongue piece is also provided with a bending part back to the armature iron direction.
An electromagnetic relay comprises a movable reed, an armature and a yoke; the movable spring plate comprises a spring plate body bent into a roughly L-shaped shape; the inner side of one side of the L-shaped of the reed body is fixed with the yoke, a second connecting part used for fixing the moving contact is arranged at the other side of the L-shaped of the reed body, which is close to the tail end, a first tongue piece with a free end part is arranged at the second connecting part in an extending way towards one side of the L-shaped of the reed body, and the inner side of the first tongue piece is fixed with the armature iron; the other side of the L-shaped reed body is connected with one side of the L-shaped reed body, a second tongue piece with a free end part extends in the direction away from one side of the L-shaped reed body, and an included angle is formed between the second tongue piece and the other side of the L-shaped reed body, so that the second tongue piece is in interference fit with the armature by the included angle.
The yoke iron is fixed with one side of the L shape of the reed body close to the tail end, the L-shaped side of the reed body and the other side of the L shape of the reed body are respectively provided with two fins which are correspondingly connected together, and the joint of the L-shaped side of the reed body and the yoke iron is connected with the second connecting part through the two fins which are correspondingly connected together; the first tongue piece is positioned between two wings on the other side of the L-shape of the reed body.
The two second tongues are respectively positioned on the outer sides of the two wing pieces on the other side of the L shape of the reed body.
The armature is fixed to the first tongue near the distal end.
The tail end of the second tongue piece is also provided with a bending part back to the armature iron direction.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses owing to adopted being close to at the another side of the L type of reed body with the department of being connected on one side of the L type of reed body, to departing from one side direction extension of the L type of reed body is equipped with the second tongue piece that has free tip, just the second tongue piece with form a contained angle between the another side of the L type of reed body, make the second tongue piece utilize contained angle and armature interference fit. The utility model discloses an in this kind of structure, at relay release in-process, because second tongue piece and armature are in the interference for a long time, during consequently the release, the relative impact force between the tip (armature and movable spring hookup location to terminal part promptly) of the other side of the L type of armature and movable spring just is decomposed by the elastic deformation of second tongue piece to avoid colliding between armature and the movable spring, reach the purpose that reduces the release noise.
2. The utility model discloses owing to adopted and established into two with the second tongue piece, and be in respectively the outside of two fins of the another side of the L type of reed body is the symmetric state promptly, and this symmetric state can solve armature release in-process and appear controlling the deflection, thereby leads to left (or right) because of not making the noise variation with armature interference (long-term pressure state).
3. The utility model discloses owing to adopted and still be equipped with the kink of armature direction dorsad at the end of second tongue piece. The utility model discloses a this kind of structure is through setting up reverse bending for armature is at the release in-process, to the produced reaction force of the end of second tongue piece, forms the direction and can not the jamming, can prevent that relay release in-process armature from being appeared by the dead state of card.
The present invention will be described in further detail with reference to the accompanying drawings and examples; however, the present invention is not limited to the embodiment, and the low-noise movable spring and the electromagnetic relay thereof are not limited to the embodiment.
Drawings
Fig. 1 is a schematic perspective view of a movable spring plate according to an embodiment of the present invention;
fig. 2 is a front view of the movable spring plate according to the embodiment of the present invention;
fig. 3 is a side view of a movable spring plate according to an embodiment of the present invention;
fig. 4 is an exploded perspective view of an electromagnetic relay according to an embodiment of the present invention;
fig. 5 is a schematic perspective view of a movement portion of an electromagnetic relay according to an embodiment of the present invention;
fig. 6 is a schematic diagram of the movable spring, the armature and the yoke of the electromagnetic relay according to the embodiment of the present invention;
fig. 7 is a schematic diagram of the movable spring and the armature of the electromagnetic relay according to the embodiment of the present invention;
fig. 8 is a front view of the movable spring and the armature of the electromagnetic relay according to the embodiment of the present invention;
fig. 9 is a side view of the movable spring and the armature of the electromagnetic relay according to the embodiment of the present invention.
Detailed Description
Examples
Referring to fig. 1 to 3, the low noise movable spring of the present invention comprises a spring body 1; the reed body 1 is bent into an approximately L-shaped shape, one side 11 of the L shape of the reed body 1 is provided with a first connecting part 12 used for being fixed with a yoke, a riveting hole is arranged in the first connecting part 12, a second connecting part 14 used for fixing a moving contact is arranged at the position close to the tail end of the other side 13 of the L shape of the reed body 1, a riveting hole is arranged in the second connecting part 14, a first tongue piece 15 with a free end part is arranged at the second connecting part 14 and extends towards the direction of one side of the L shape of the reed body, a third connecting part 16 used for being fixed with an armature is arranged in the first tongue piece 15, and a riveting hole is arranged in the third connecting part 16; a second tongue piece 17 with a free end part extends to the direction away from one side of the L shape of the reed body at the joint of the other side 13 of the L shape of the reed body, which is close to one side 11 of the L shape of the reed body, and an included angle is formed between the second tongue piece 17 and the other side 13 of the L shape of the reed body, so that the second tongue piece can always press towards the armature.
In this embodiment, the first connecting portion 12 is disposed near the end of one side 11 of the L-shape of the reed body, the one side 11 of the L-shape of the reed body and the other side 13 of the L-shape of the reed body respectively have two fins correspondingly connected together, that is, one side 11 of the L-shape of the reed body has two fins 111, the other side 13 of the L-shape of the reed body has two fins 131, the two fins 111 and the two fins 131 are respectively correspondingly connected, and the first connecting portion 12 and the second connecting portion 14 are connected by the corresponding connected fins 111, 131; the first tongue 15 is located in the middle of the two wings 131 on the other side 13 of the L-shape of the reed body.
In this embodiment, the two second tongues 17 are respectively located outside the two fins 131 of the other side 13 of the L-shape of the reed body.
In this embodiment, the third connecting portion 16 is provided near the tip of the first tongue piece 15.
In this embodiment, the end of the second tongue 17 is further provided with a bent portion 171 facing away from the armature.
Referring to fig. 1 to 9, an electromagnetic relay of the present invention includes a housing 2, a core part 3, and a base part 4, where the base part 4 includes a base 41 and a fixed contact 42, and the core part 3 includes a movable spring 1, an armature 5, a yoke 6, and the like; the movable reed 1 is a reed body bent into a roughly L-shaped shape; the inner side (i.e. the inner side) of one side 11 of the L-shape of the reed body 1 is fixed with the yoke 6, namely, the reed body 1 is fixed with the yoke 6 through a first connecting part 12 of one side 11 of the L-shape, a second connecting part 14 for fixing the movable contact 7 is arranged near the tail end of the other side 13 of the L-shape of the reed body 1, a riveting hole is arranged in the second connecting part 14, a first tongue piece 15 with a free end part is arranged at the second connecting part 14 in an extending way towards one side 11 of the L-shape of the reed body, and the inner side (i.e. the same side as the inner side of the other side 13 of the L-shape of the reed body 1) of the first tongue piece 15 is fixed with the armature 5; a second tongue piece 17 with a free end part is arranged at the connecting part of the other side 13 of the L shape of the reed body, which is close to one side of the L shape of the reed body, and the connecting part is extended to the direction away from one side 11 of the L shape of the reed body, and an included angle is formed between the second tongue piece 17 and the other side 13 of the L shape of the reed body, so that the second tongue piece 17 is in interference fit with the armature 5 by utilizing the included angle.
In this embodiment, the yoke 6 is fixed to the end of one side 11 of the L-shape of the reed body, the one side 11 of the L-shape of the reed body and the other side 13 of the L-shape of the reed body respectively have two fins 111 correspondingly connected together, that is, the one side 11 of the L-shape of the reed body has two fins 111, the other side 13 of the L-shape of the reed body has two fins 131, the two fins 111 are correspondingly connected to the two fins 131 respectively, and the connection part (i.e., the first connection part 12) of the one side 11 of the L-shape of the reed body and the yoke 5 is connected to the second connection part 14 through the fins 111 and 131 correspondingly connected together; the first tongue 15 is located in the middle of the two wings 131 on the other side of the L-shape of the reed body.
In this embodiment, the two second tongues 17 are respectively located outside the two fins 131 of the other side 13 of the L-shape of the reed body.
In the present embodiment, the armature 5 is fixed to the first tongue piece 15 near the tip (i.e., the third connecting portion 16).
In this embodiment, the end of the second tongue 17 is further provided with a bent portion 171 facing away from the armature.
The utility model discloses a low noise movable contact spring and electromagnetic relay thereof, adopted the another side 13 of the L type at reed body 1 be close to with the department of being connected on one side of the L type of reed body, to separating from back one side direction extension on one side of the L type of reed body is equipped with the second tongue piece 17 that has free tip, just second tongue piece 17 with form a contained angle between the another side 13 of the L type of reed body, make second tongue piece 17 utilize contained angle and 5 interference fit of armature. The utility model discloses an in this kind of structure, at relay release in-process, because second tongue piece 17 is in the interference with armature 6 for a long time, during consequently the release, the relative impact force between the tip (armature and movable reed hookup location to terminal part promptly) of the other side of the L type of armature 5 and movable reed just is decomposed by second tongue piece 17's elastic deformation to avoid colliding between armature 5 and the movable reed, reach the purpose that reduces the release noise.
The utility model discloses a low noise movable spring and electromagnetic relay thereof has adopted and has established second tongue piece 17 into two, and is in respectively the outside of two fins 131 of the another side 13 of the L type of reed body is the symmetric state promptly, and this symmetric state can solve armature release in-process and control the deflection about appearing, thereby leads to left (or right) because of not making the noise variation with armature interference (long-term pressure state).
The utility model discloses a low noise movable contact spring and electromagnetic relay thereof has adopted still to be equipped with the kink 171 of armature direction dorsad at the end of second tongue piece 17. The utility model discloses a this kind of structure is through setting up reverse bending for armature 5 is at the release in-process, to the produced reaction force of the end of second tongue piece, forms the direction and can not the jamming, can prevent that relay release in-process armature from being appeared by the dead state of card.
The foregoing is illustrative of the preferred embodiment of the present invention and is not to be construed as limiting the invention in any way. Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The technical solutions disclosed above can be used by those skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the present invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.
Claims (10)
1. A low-noise movable reed comprises a reed body; the reed body is bent into an approximately L-shaped shape, one side of the L shape of the reed body is provided with a first connecting part for fixing with a yoke, the other side of the L shape of the reed body close to the tail end is provided with a second connecting part for fixing a moving contact, the second connecting part is provided with a first tongue piece with a free end part extending towards one side of the L shape of the reed body, and the first tongue piece is provided with a third connecting part for fixing with an armature; the method is characterized in that: and a second tongue piece with a free end part extends in the direction away from one side of the L shape of the reed body at the joint of the other side of the L shape of the reed body, which is close to one side of the L shape of the reed body, and an included angle enabling the second tongue piece to always press the armature is formed between the second tongue piece and the other side of the L shape of the reed body.
2. The low noise movable reed according to claim 1, wherein: the first connecting part is arranged at one side of the L shape of the reed body close to the tail end, the L-shaped side of the reed body and the other L-shaped side of the reed body are respectively provided with two fins which are correspondingly connected together, and the first connecting part and the second connecting part are connected together through the two fins which are correspondingly connected together; the first tongue piece is positioned between two wings on the other side of the L-shape of the reed body.
3. The low noise movable reed according to claim 2, wherein: the two second tongues are respectively positioned on the outer sides of the two wing pieces on the other side of the L shape of the reed body.
4. The low noise movable reed according to claim 1, wherein: the third connecting part is arranged at the end of the first tongue piece.
5. A low noise movable spring according to claim 2 or 3, wherein: the tail end of the second tongue piece is also provided with a bending part back to the armature iron direction.
6. An electromagnetic relay comprises a movable reed, an armature and a yoke; the movable spring plate comprises a spring plate body bent into a roughly L-shaped shape; the inner side of one side of the L-shaped of the reed body is fixed with the yoke, a second connecting part used for fixing the moving contact is arranged at the other side of the L-shaped of the reed body, which is close to the tail end, a first tongue piece with a free end part is arranged at the second connecting part in an extending way towards one side of the L-shaped of the reed body, and the inner side of the first tongue piece is fixed with the armature iron; the method is characterized in that: the other side of the L-shaped reed body is connected with one side of the L-shaped reed body, a second tongue piece with a free end part extends in the direction away from one side of the L-shaped reed body, and an included angle is formed between the second tongue piece and the other side of the L-shaped reed body, so that the second tongue piece is in interference fit with the armature by the included angle.
7. An electromagnetic relay according to claim 6, characterized in that: the yoke iron is fixed with one side of the L shape of the reed body close to the tail end, the L-shaped side of the reed body and the other side of the L shape of the reed body are respectively provided with two fins which are correspondingly connected together, and the joint of the L-shaped side of the reed body and the yoke iron is connected with the second connecting part through the two fins which are correspondingly connected together; the first tongue piece is positioned between two wings on the other side of the L-shape of the reed body.
8. An electromagnetic relay according to claim 7, characterized in that: the two second tongues are respectively positioned on the outer sides of the two wing pieces on the other side of the L shape of the reed body.
9. An electromagnetic relay according to claim 6, characterized in that: the armature is fixed to the first tongue near the distal end.
10. The electromagnetic relay according to claim 7 or 8, characterized in that: the tail end of the second tongue piece is also provided with a bending part back to the armature iron direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921414799.3U CN210628205U (en) | 2019-08-28 | 2019-08-28 | Low-noise movable contact spring and electromagnetic relay thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921414799.3U CN210628205U (en) | 2019-08-28 | 2019-08-28 | Low-noise movable contact spring and electromagnetic relay thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210628205U true CN210628205U (en) | 2020-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921414799.3U Active CN210628205U (en) | 2019-08-28 | 2019-08-28 | Low-noise movable contact spring and electromagnetic relay thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210628205U (en) |
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2019
- 2019-08-28 CN CN201921414799.3U patent/CN210628205U/en active Active
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