CN214099516U - Electromagnetic relay adopting flexible movable reed - Google Patents
Electromagnetic relay adopting flexible movable reed Download PDFInfo
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- CN214099516U CN214099516U CN202120372845.9U CN202120372845U CN214099516U CN 214099516 U CN214099516 U CN 214099516U CN 202120372845 U CN202120372845 U CN 202120372845U CN 214099516 U CN214099516 U CN 214099516U
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Abstract
The utility model relates to an adopt electromagnetic relay of flexible movable contact spring, moving contact include contact pin piece, movable contact spring, movable contact, and the contact pin piece is planted on the base, and the movable contact spring is connected on the upper portion of contact pin piece, and the movable contact spring extends to the static contact, and the movable contact setting is on the movable contact spring that the static contact is relative, the top of pushing away the frame forms the ejector pin, forms the cylinder on the pushing away of ejector pin root, has seted up the ejector pin hole on the movable contact spring, and the ejector pin is inserted in the ejector pin hole, and the cylinder promotes the movable contact spring motion with the movable contact spring contact. The utility model discloses a promotion frame wears to realize fixing a position in the ejector pin is downthehole through the ejector pin, and the movable contact spring is the cylinder with the contact surface that promotes the frame, reduces the movable contact spring and promotes the friction between the frame, prevents that the contact surface is because of wearing and tearing warp, improves mechanical life.
Description
Technical Field
The utility model relates to an electromagnetic relay, especially an electromagnetic relay who adopts flexible movable reed.
Background
An electromagnetic relay is an electronic control device which uses smaller current and lower voltage to control larger current and higher voltage, is usually applied to an automatic control circuit, and plays the roles of automatic regulation, safety protection, circuit conversion and the like in the circuit. The electromagnetic relay controls the moving contact to act through an electromagnetic system, the existing moving contact is hard in structure, metal is easy to fatigue in the continuous opening and closing process, and the mechanical life is influenced.
Disclosure of Invention
In view of this, the present invention provides an electromagnetic relay with a flexible movable reed, which has a long mechanical life.
In order to achieve the above purpose, the utility model adopts an electromagnetic relay adopting a flexible movable spring, which comprises a base, a shell covered outside the base, and an electromagnetic coil, a yoke, an armature, a movable contact, a static contact, a spring leaf and a pushing frame arranged on the base, wherein the yoke and the armature are respectively arranged at two ends of the electromagnetic coil, one end of the yoke is connected with the electromagnetic coil, the other end is hinged with the tail end of the armature, the spring leaf is connected at the outer sides of the yoke and the armature, the top end of the armature is connected with the tail end of the pushing frame, the movable contact comprises a pin piece, a movable spring piece and a movable contact, the pin piece is inserted on the base, the movable spring piece is connected at the upper part of the pin piece, the movable spring piece extends towards the static contact, the movable contact is arranged on the movable spring piece opposite to the static contact, the top end of the pushing frame forms a push rod, the pushing frame at the root of the push rod forms a cylindrical surface, the push rod hole is arranged on the movable spring piece, the push rod is inserted in the push rod hole, the cylindrical surface is contacted with the movable reed to push the movable reed to move.
The beneficial effects of the utility model are that promote the frame and wear at the downthehole realization location of ejector pin through the ejector pin, the movable contact spring is the cylinder with the contact surface that promotes the frame, reduces the movable contact spring and promotes the friction between the frame, prevents that the contact surface from being out of shape because of wearing and tearing, improves mechanical life.
The utility model discloses further set up as movable contact spring forms one section face of bending between connecting portion and ejector pin hole with the contact pin piece. The bending surface improves the flexibility of the movable spring, prevents metal fatigue and prolongs the mechanical life.
The utility model discloses further set up to the movable contact spring sets up a line of bending between ejector pin hole and movable contact. The part of the movable contact on the movable spring plate can be bent along the bending line, so that the connection reliability of the movable contact and the fixed contact is ensured, the contact consistency of the contacts of the product is realized, and the electrical service life is prolonged.
The utility model discloses further set up to form a plurality of fretwork holes on the connecting portion of movable contact spring and contact pin piece and the face of bending. The opening of the movable spring plate can realize reliable product life under the condition of lower coil power.
Drawings
Fig. 1 is a cross-sectional view of an embodiment of the present invention.
Fig. 2 is a schematic view of the embodiment of the present invention with the outer casing removed.
Fig. 3 is a schematic view of a movable spring plate according to an embodiment of the present invention.
Detailed Description
As shown in fig. 1-3, the embodiment of the present invention is an electromagnetic relay using a flexible movable spring, including a base 1, a housing 2 covering the base 1, and an electromagnetic coil 3, a yoke 4, an armature 5, a movable contact 6, a fixed contact 7, a spring 8 and a pushing frame 9 disposed on the base 1, wherein the yoke 4 and the armature 5 are respectively disposed at two ends of the electromagnetic coil 3, one end of the yoke 4 is connected to the electromagnetic coil 3, the other end is hinged to the end of the armature 5, the spring 8 is connected to the outside of the yoke 4 and the armature 5, the top end of the armature 5 is connected to the end of the pushing frame 9, the movable contact 6 includes a pin piece 61, a movable contact piece 62 and a movable contact 63, the pin piece 61 is inserted on the base 1, the movable contact piece 62 is connected to the upper portion of the pin piece 61, the movable contact piece 62 extends toward the fixed contact 7, the movable contact 63 is disposed on the movable contact piece 62 opposite between the two fixed contacts 7, the top end of the pushing frame 9 forms a push rod 91, a cylindrical surface 92 is formed on the pushing frame 9 at the root of the push rod 91, a push rod hole 64 is formed in the movable spring piece 62, the push rod 91 is inserted into the push rod hole 64, and the cylindrical surface 92 contacts with the movable spring piece 62 to push the movable spring piece 62 to move. The movable spring piece 62 forms a section of bending surface 65 between the connecting part of the movable spring piece 62 and the pin sheet 61 and the ejector rod hole 64, a plurality of hollow holes 66 are formed on the connecting part of the movable spring piece 62 and the pin sheet 61 and the bending surface 65, and a bending line 67 capable of being bent along the line is arranged between the ejector rod hole 64 and the movable contact 63 of the movable spring piece 62.
Claims (4)
1. The utility model provides an adopt electromagnetic relay of flexible movable contact spring, includes the base, covers the shell outside the base and sets up solenoid, yoke, armature, moving contact, static contact, reed and the promotion frame on the base, yoke and armature set up respectively at the solenoid both ends, and yoke one end is connected with solenoid, and the other end is terminal articulated with armature, and the reed is connected in the outside of yoke and armature, the top of armature and the end-to-end connection who promotes the frame, the moving contact includes contact pin piece, movable contact spring, movable contact, and the contact pin piece is planted on the base, and the movable contact spring is connected on the upper portion of contact pin piece, and the movable contact spring extends to the static contact, and the movable contact sets up on the movable contact spring that the static contact is relative, its characterized in that: the top of the push frame forms a push rod, a cylindrical surface is formed on the push frame at the root of the push rod, a push rod hole is formed in the movable reed, the push rod is inserted into the push rod hole, and the cylindrical surface is in contact with the movable reed to push the movable reed to move.
2. The electromagnetic relay using the flexible movable spring according to claim 1, wherein: and a section of bending surface is formed between the connecting part of the movable spring plate and the pin sheet and the ejector rod hole.
3. The electromagnetic relay using the flexible movable spring according to claim 1 or 2, characterized in that: and a bending line is arranged between the ejector rod hole and the movable contact of the movable spring.
4. The electromagnetic relay using the flexible movable spring according to claim 2, wherein: and a plurality of hollow holes are formed on the connecting part and the bending surface of the movable spring plate and the pin sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120372845.9U CN214099516U (en) | 2021-02-10 | 2021-02-10 | Electromagnetic relay adopting flexible movable reed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120372845.9U CN214099516U (en) | 2021-02-10 | 2021-02-10 | Electromagnetic relay adopting flexible movable reed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214099516U true CN214099516U (en) | 2021-08-31 |
Family
ID=77440476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120372845.9U Active CN214099516U (en) | 2021-02-10 | 2021-02-10 | Electromagnetic relay adopting flexible movable reed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214099516U (en) |
-
2021
- 2021-02-10 CN CN202120372845.9U patent/CN214099516U/en active Active
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