CN212062321U - Small clapper type electromagnetic relay - Google Patents
Small clapper type electromagnetic relay Download PDFInfo
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- CN212062321U CN212062321U CN202020722081.7U CN202020722081U CN212062321U CN 212062321 U CN212062321 U CN 212062321U CN 202020722081 U CN202020722081 U CN 202020722081U CN 212062321 U CN212062321 U CN 212062321U
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- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 39
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000012634 fragment Substances 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 2
- 238000010891 electric arc Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000035945 sensitivity Effects 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model provides a small-size box-like electromagnetic relay that claps, including base, magnetic circuit part and the contact site of setting on the base, connect and act on the driving piece of contact site in magnetic circuit part, magnetic circuit part includes electromagnetism piece, sets up the armature that sets up in electromagnetism piece one end at the skeleton and the relative position of electromagnetism piece outer end, electromagnetism piece includes the iron core, twines the coil in the iron core outer end and the wiring end of being connected with the coil, the lower extreme of wiring end is equipped with the coil terminal. The first reed, the second reed and the elastic sheet are reasonably designed and have exquisite structures, and rebound can be effectively reduced, so that the relay can quickly reach a stable contact state, arc discharge is reduced, and the service life of the relay is prolonged. Meanwhile, the device has the advantages of simple structure, low price, cost saving and the like. The push sheet is fixed at the upper end of the base through the armature and the elastic sheet, other connecting structures are omitted, the sensitivity of the push sheet is improved, and meanwhile the limiting rod penetrates through the limiting hole to limit.
Description
Technical Field
The utility model relates to a relay technical field specifically is a small-size clapping type electromagnetic relay.
Background
In the fields of communication equipment, automatic control, household appliances, automotive electronic devices and the like, relays may be used in any application occasions requiring circuit conversion. The relay is an electric control device, and its principle is that it uses small current to control an automatic switch operated by large current, and it often plays the role of automatic regulation, safety protection and circuit conversion in the circuit.
In the existing clapper type electromagnetic relay, no matter the contact structure is a single-breakpoint or double-breakpoint contact structure, when a loop is switched on instantly, a great electric repulsive force is generated between two contacts to force the contacts to rebound, and the contacts are repeatedly switched between an open state and a closed state.
SUMMERY OF THE UTILITY MODEL
The technical problem solved by the utility model is to provide a small-size clapper type electromagnetic relay to solve the problem that proposes among the above-mentioned background art.
The utility model provides a technical problem adopt following technical scheme to realize: a miniature clapper type electromagnetic relay comprises a base, a magnetic circuit part and a contact part which are arranged on the base, and a driving piece which is connected to the magnetic circuit part and acts on the contact part, wherein:
the magnetic circuit part comprises an electromagnetic piece, a framework arranged at the outer end of the electromagnetic piece and an armature arranged at one end of the electromagnetic piece at a relative position, wherein the electromagnetic piece comprises an iron core, a coil wound at the outer end of the iron core and a wiring end connected with the coil, and the lower end of the wiring end is provided with a coil terminal;
the contact part comprises a first reed, a second reed and a spring sheet arranged between the first reed and the second reed, wherein the first reed and the second reed are clamped at corresponding positions of the base, one ends of the first reed and the second reed close to the spring sheet are respectively provided with a first contact and a second contact, two corresponding side ends of the spring sheet are provided with a fixed contact and a movable contact, the fixed contact of the spring sheet is attached to the first contact of the first reed under the condition of no acting force, and the lower ends of the first reed, the second reed and the spring sheet are respectively and correspondingly provided with a first terminal, a second terminal and a spring sheet terminal;
the driving piece comprises a push sheet arranged at the upper end of the base and a limiting rod arranged on the electromagnetic piece and used for limiting the push sheet, one end of the push sheet is buckled with the armature, and the other end of the push sheet is connected with the elastic sheet;
under the action of electromagnetic force when the power is on, the armature is adsorbed on the electromagnetic piece and pushes the push sheet to move forwards, and the push sheet pushes the elastic sheet to leave the first reed and contact with the second reed, so that circuit switching is completed.
As a further aspect of the present invention: the one end that the skeleton is close to armature is equipped with the couple of joint armature, and the couple is L type structure, and the one end and the fixed welding of skeleton of couple constitute the card of the armature of being convenient for of U type structure with the side of electromagnetism piece and go into.
As a further aspect of the present invention: grooves are formed in two sides of the upper end of the armature corresponding to the push pieces, groove rods inserted into the grooves are correspondingly formed in the push pieces, and convex bodies for buckling the outer ends of the armature are arranged at the outer ends of the groove rods.
As a further aspect of the present invention: the limiting rod is close to one end of the armature, an inserting rod is integrally arranged at the upper end of the limiting rod, the push piece is provided with a rectangular limiting hole corresponding to the inserting rod, and the inserting rod is inserted into the limiting hole to limit the moving range of the push piece.
As a further aspect of the present invention: the one end an organic whole that the kicking piece is close to the shell fragment is equipped with the cone, and the shell fragment corresponds the cone and is equipped with corresponding hole, and the cone runs through in the hole of shell fragment.
As a further aspect of the present invention: the hole at the upper end of the spring plate is higher than the first spring plate and the second spring plate, and the push plate is positioned at the upper ends of the first spring plate and the second spring plate.
Compared with the prior art, the beneficial effects of the utility model are that: the first reed, the second reed and the elastic sheet are reasonably designed and have exquisite structures, and rebound can be effectively reduced, so that the relay can quickly reach a stable contact state, arc discharge is reduced, and the service life of the relay is prolonged. Meanwhile, the device has the advantages of simple structure, low price, cost saving and the like. The push sheet is fixed at the upper end of the base through the armature and the elastic sheet, other connecting structures are omitted, the sensitivity of the push sheet is improved, and meanwhile the limiting rod penetrates through the limiting hole to limit.
Drawings
Fig. 1 is a schematic front structural view of the present invention;
fig. 2 is a schematic view of the back structure of the present invention;
fig. 3 is a schematic perspective view of the present invention;
fig. 4 is a schematic top view of the present invention;
fig. 5 is a schematic side view of the present invention;
fig. 6 is a schematic structural diagram of the electromagnetic component of the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the specific drawings.
As shown in FIGS. 1-6,
the embodiment provides a small clapper type electromagnetic relay, which comprises a base 1, a magnetic circuit part and a contact part which are arranged on the base 1, and a driving piece which is connected to the magnetic circuit part and acts on the contact part, wherein:
the magnetic circuit part comprises an electromagnetic piece 2, a framework 21 arranged at the outer end of the electromagnetic piece 2 and an armature 22 arranged at one end of the electromagnetic piece 2 at a relative position, wherein the electromagnetic piece comprises an iron core, a coil 23 wound at the outer end of the iron core and a terminal 24 connected with the coil 23, and the lower end of the terminal 24 is provided with a coil terminal 25;
the contact part comprises a first reed 31 and a second reed 32 which are clamped at corresponding positions of the base 1, and an elastic sheet 33 arranged between the first reed 31 and the second reed 32, wherein one ends of the first reed 31 and the second reed 32 close to the elastic sheet 33 are respectively provided with a first contact 34 and a second contact 35, two corresponding side ends of the elastic sheet 33 are provided with a fixed contact 36 and a movable contact 37, the fixed contact 36 of the elastic sheet is attached to the first contact 34 of the first reed 31 under the condition of no acting force, and the lower ends of the first reed 31, the second reed 32 and the elastic sheet 33 are respectively and correspondingly provided with a first terminal 38, a second terminal 39 and an elastic sheet terminal 30;
the driving piece comprises a push sheet 4 arranged at the upper end of the base 1 and a limiting rod 41 arranged on the electromagnetic piece 2 and used for limiting the push sheet 4, one end of the push sheet 4 is buckled with the armature 22, and the other end of the push sheet 4 is connected with the elastic sheet 33;
under the action of electromagnetic force during electrification, the armature 22 is adsorbed on the electromagnetic part 2 and pushes the push sheet 4 to move forwards, and the push sheet 4 pushes the elastic sheet 33 to leave the first spring sheet 31 and contact with the second spring sheet 32, so that circuit switching is completed.
In this embodiment, a hook 20 for clamping the armature 22 is disposed at one end of the framework 21 close to the armature 22, the hook 20 is in an L-shaped structure, one end of the hook 20 is fixedly welded to the framework 21, and the hook 20 and the side end of the electromagnetic component 2 form a U-shaped structure for facilitating the clamping of the armature 22. The two sides of the upper end of the armature 22 are provided with grooves 221 corresponding to the push plate 4, the push plate 4 is correspondingly provided with a groove rod 42 inserted into the grooves 221, and the outer end of the groove rod 42 is provided with a convex body 43 for buckling the outer end of the armature 22. The limiting rod 41 is close to one end of the armature 22, an inserting rod is integrally arranged at the upper end of the limiting rod 41, a rectangular limiting hole 44 is formed in the push sheet 4 corresponding to the inserting rod, and the inserting rod is inserted into the limiting hole 44 to limit the moving range of the push sheet 4.
In this embodiment, a cone 45 is integrally disposed at one end of the push plate 4 close to the elastic sheet 33, the elastic sheet 33 has a corresponding hole corresponding to the cone 45, the cone 45 penetrates the hole of the elastic sheet 33, the push plate 4 is disposed at the rear end of the cone 45 and abuts against the surface of the elastic sheet 33, so that the push plate 4 pushes the elastic sheet 33 to move forward, and the elastic sheet 33 pushes the push plate 4 to reset under the action of its own elastic force without electromagnetic action. The hole at the upper end of the elastic sheet 33 is higher than the first spring sheet 31 and the second spring sheet 32, and the push sheet 4 is positioned at the upper ends of the first spring sheet 31 and the second spring sheet 32, so that the push sheet 4 is prevented from contacting with the first spring sheet 31 and the second spring sheet 32 to limit movement.
The utility model discloses a theory of operation does: the electromagnetic part 2 generates electromagnetic force to adsorb the armature 22 after being electrified, the armature 22 drives the push sheet 4 to move forwards, the spring sheet 33 is under the action of the push sheet 4, the fixed contact 36 is separated from the first contact 34, and the movable contact 37 is attached to and connected with the second contact 35; after the electromagnetic element 2 is powered off, the electromagnetic force disappears, the elastic sheet 33 resets under the action of the self elastic force, the movable contact 37 is separated from the second contact 35, the fixed contact 36 is attached to the first contact 34, and the push sheet 4 is pushed to reset, so that the armature 22 is driven to be far away from the electromagnetic element 2.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a small-size clapper formula electromagnetic relay which characterized in that: including base, magnetic circuit portion and contact part that set up on the base, connect and act on the driving piece of contact part on the magnetic circuit portion, wherein:
the magnetic circuit part comprises an electromagnetic piece, a framework arranged at the outer end of the electromagnetic piece and an armature arranged at one end of the electromagnetic piece at a relative position, wherein the electromagnetic piece comprises an iron core, a coil wound at the outer end of the iron core and a wiring end connected with the coil, and the lower end of the wiring end is provided with a coil terminal;
the contact part comprises a first reed, a second reed and a spring sheet arranged between the first reed and the second reed, wherein the first reed and the second reed are clamped at corresponding positions of the base, one ends of the first reed and the second reed close to the spring sheet are respectively provided with a first contact and a second contact, two corresponding side ends of the spring sheet are provided with a fixed contact and a movable contact, the fixed contact of the spring sheet is attached to the first contact of the first reed under the condition of no acting force, and the lower ends of the first reed, the second reed and the spring sheet are respectively and correspondingly provided with a first terminal, a second terminal and a spring sheet terminal;
the driving piece comprises a push sheet arranged at the upper end of the base and a limiting rod arranged on the electromagnetic piece and used for limiting the push sheet, one end of the push sheet is buckled with the armature, and the other end of the push sheet is connected with the elastic sheet;
under the action of electromagnetic force when the power is on, the armature is adsorbed on the electromagnetic piece and pushes the push sheet to move forwards, and the push sheet pushes the elastic sheet to leave the first reed and contact with the second reed, so that circuit switching is completed.
2. A miniature clapper-type electromagnetic relay as set forth in claim 1, wherein: the one end that the skeleton is close to armature is equipped with the couple of joint armature, and the couple is L type structure, and the one end and the fixed welding of skeleton of couple constitute the card of the armature of being convenient for of U type structure with the side of electromagnetism piece and go into.
3. A miniature clapper-type electromagnetic relay as set forth in claim 1, wherein: grooves are formed in two sides of the upper end of the armature corresponding to the push pieces, groove rods inserted into the grooves are correspondingly formed in the push pieces, and convex bodies for buckling the outer ends of the armature are arranged at the outer ends of the groove rods.
4. A miniature clapper-type electromagnetic relay as set forth in claim 1, wherein: the limiting rod is close to one end of the armature, an inserting rod is integrally arranged at the upper end of the limiting rod, the push piece is provided with a rectangular limiting hole corresponding to the inserting rod, and the inserting rod is inserted into the limiting hole to limit the moving range of the push piece.
5. A miniature clapper-type electromagnetic relay as set forth in claim 1, wherein: the one end an organic whole that the kicking piece is close to the shell fragment is equipped with the cone, and the shell fragment corresponds the cone and is equipped with corresponding hole, and the cone runs through in the hole of shell fragment.
6. A miniature clapper-type electromagnetic relay as set forth in claim 1, wherein: the hole at the upper end of the spring plate is higher than the first spring plate and the second spring plate, and the push plate is positioned at the upper ends of the first spring plate and the second spring plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020722081.7U CN212062321U (en) | 2020-05-06 | 2020-05-06 | Small clapper type electromagnetic relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020722081.7U CN212062321U (en) | 2020-05-06 | 2020-05-06 | Small clapper type electromagnetic relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212062321U true CN212062321U (en) | 2020-12-01 |
Family
ID=73526668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020722081.7U Active CN212062321U (en) | 2020-05-06 | 2020-05-06 | Small clapper type electromagnetic relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212062321U (en) |
-
2020
- 2020-05-06 CN CN202020722081.7U patent/CN212062321U/en active Active
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