CN203367165U - Electromagnetic relay - Google Patents
Electromagnetic relay Download PDFInfo
- Publication number
- CN203367165U CN203367165U CN 201320494776 CN201320494776U CN203367165U CN 203367165 U CN203367165 U CN 203367165U CN 201320494776 CN201320494776 CN 201320494776 CN 201320494776 U CN201320494776 U CN 201320494776U CN 203367165 U CN203367165 U CN 203367165U
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- Prior art keywords
- armature
- base
- yoke
- contact piece
- static contact
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- Expired - Lifetime
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- 230000003068 static effect Effects 0.000 claims abstract description 38
- 238000005192 partition Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
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- Electromagnets (AREA)
Abstract
The utility model discloses an electromagnetic relay comprising a housing, a contact system and a magnetic circuit system. The housing is composed of a base and a housing cover which are connected. The contact system, which is vertically arranged on the base, comprises a static contact piece and a moving contact piece. The magnetic circuit system, which is vertically arranged on the base, comprises an electromagnetic assembly, a yoke and an armature. The upper end of the yoke is connected with the electromagnetic assembly. The armature is riveted on an elastic pressing sheet on the yoke and is limited at the lower end of the yoke. An attraction-closing portion of the armature is arranged between the lower end of the electromagnetic assembly and the base. An action portion of the armature is arranged outside the yoke and extends upwards. The top portion of the action portion of the armature is fixedly connected with a pushing piece. The end, which is away from the action portion, of the pushing piece is connected with the top end portion of the moving contact piece. An elastic clamp platform is stamped on the action portion of the armature. The pushing piece is provided with an inserting hole which is in plug-in cooperation with the top portion of the action portion and a clamp hole which is in clamping cooperation with the elastic clamp platform. The electromagnetic relay is reasonable in structure and excellent in using effect.
Description
Technical Field
The utility model belongs to the electromagnetic relay field.
Background
An electromagnetic relay is used as an automatic switch device with an isolation function, is widely applied to the fields of communication, automobiles, automatic control, household appliances and the like, and is one of important control devices.
The most common electromagnetic relay structure in the market at present is as follows:
comprises a shell with an inner cavity, and a contact system and a magnetic circuit system which are arranged in the inner cavity; the shell is formed by connecting a base and a shell cover; the contact system is vertically arranged on the base and comprises a static contact piece and a movable contact piece which are inserted on the base, the static contact piece is provided with a static contact, and the movable contact piece is provided with a movable contact; the magnetic circuit system is vertically arranged on the base and comprises an electromagnetic assembly, a yoke and an armature; the upper end of the yoke is connected with the electromagnetic assembly, the armature is limited at the lower end of the yoke by an elastic pressing sheet riveted on the yoke, the actuation part of the armature is positioned between the lower end of the electromagnetic assembly and the base, and the actuation part of the armature is positioned at the outer side of the yoke and extends upwards; the middle part of the action part is connected with a pushing piece, the other end of the pushing piece is connected with the middle part of the movable contact piece, namely, a connecting hole which is connected with the pushing piece on the movable contact piece is arranged below the movable contact, and an inserting hole which is inserted with a static contact piece on the base penetrates through the base and is vertical to the lower surface of the base.
The electromagnetic relay has the following defects: (1) the pushing piece is connected with the middle part of the movable contact piece, namely when the electromagnetic relay is switched on, one end of the pushing piece connected with the movable contact piece is arranged on a current loop of the contact system, so that the pushing piece is deformed by heat generated in the circuit, and the electromagnetic relay cannot normally act; (2) by the influence of the structure, when the static contact is spliced with the base, automatic assembly cannot be carried out, only manual splicing assembly can be carried out, so that the working efficiency is difficult to improve, and the static contact is easy to deform in the manual splicing process.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model aims at providing an electromagnetic relay that the structure is more reasonable, excellent in use effect.
Realize the utility model discloses the technical scheme of purpose is:
an electromagnetic relay comprising a housing having an internal cavity, and a contact system and a magnetic circuit system disposed in the internal cavity; wherein,
the shell is formed by connecting a base and a shell cover;
the contact system is vertically arranged on the base and comprises a static contact piece and a movable contact piece which are inserted on the base, the static contact piece is provided with a static contact, and the movable contact piece is provided with a movable contact;
the magnetic circuit system is vertically arranged on the base and comprises an electromagnetic assembly, a yoke and an armature; the upper end of the yoke is connected with the electromagnetic assembly, the armature is limited at the lower end of the yoke by an elastic pressing sheet riveted on the yoke, the actuation part of the armature is positioned between the lower end of the electromagnetic assembly and the base, and the actuation part of the armature is positioned at the outer side of the yoke and extends upwards;
the top end of the action part of the armature is fixedly connected with a pushing sheet, and one end of the pushing sheet far away from the action part is connected with the top end of the movable contact sheet;
an elastic clamping table is stamped on the action part of the armature, and the pushing sheet is provided with a jack in insertion fit with the top end of the action part and a clamping hole in clamping fit with the elastic clamping table.
In the above-described electromagnetic relay, the electromagnetic coil is provided with a coil,
the base is formed with a partition plate, and the magnetic circuit system and the contact system are respectively arranged on two sides of the partition plate.
In the above-described electromagnetic relay, the electromagnetic coil is provided with a coil,
the side wall of the base is provided with a slot suitable for the static contact to be inserted along the lateral direction, and the static contact is inserted along the lateral direction and positioned in the slot.
In the above-described electromagnetic relay, the electromagnetic coil is provided with a coil,
the inner side end of the static contact piece is abutted against the side wall of the slot, and the outer side end of the static contact piece is abutted against the inner wall of the shell cover;
the positioning lug boss, the positioning groove or the positioning lug boss and the positioning groove are arranged in the slot, and the positioning groove, the positioning lug boss or the positioning groove and the positioning lug boss which are matched with the positioning lug boss, the positioning groove or the positioning lug boss and the positioning groove in an inserting mode are arranged on the static contact piece in the process of being inserted into the slot along the lateral direction.
The utility model discloses has positive effect:
(1) through adopting the utility model discloses a structure can avoid the one end setting that promotes piece and movable contact spring contact on contact system's current loop to the heat of avoiding producing in the loop makes the promotion piece take place to warp, ensures that the product can reliably move, adopts simultaneously the utility model provides a structure is connected the top of the action portion of promotion piece and armature, and it is higher to connect the reliability, consequently, the utility model discloses an electromagnetic relay's is rational in infrastructure, has fine result of use.
(2) The magnetic circuit system and the contact system are respectively arranged on two sides of the partition plate. By adopting the structure, the interference of the magnetic circuit system to the contact system can be reduced, and the stable operation of the electromagnetic relay is ensured.
(3) Adopt the utility model discloses a structure sets up the static contact, just can carry out automatic assembly static contact on the base to reach and improve assembly efficiency, reduce the purpose of input cost.
Drawings
Fig. 1 is a front view of an electromagnetic relay according to the present invention;
FIG. 2 is a cross-sectional view of FIG. 1 taken along line A-A;
FIG. 3 is a cross-sectional view of FIG. 1 taken along line B-B;
fig. 4 is a schematic structural diagram of the base of the present invention;
fig. 5 is a schematic structural view of the pushing sheet of the present invention.
The reference symbols shown in the figures are: 1-a shell; 11-a base; 12-a shell cover; 13-a separator; 2-a contact system; 21-static contact piece; 22-moving contact piece; 23-positioning a groove; 24-inboard end; 25-an outer end; 3-a magnetic circuit system; 31-an electromagnetic assembly; 32-yoke iron; 33-an armature; 331-a pull-in part; 332-action part; 333-elastic clamping table; 4-elastic tabletting; 5-pushing the tablet; 51-a jack; 52-card hole; 6-slot; 61-positioning the boss.
Detailed Description
An embodiment of the electromagnetic relay of the present invention is described in detail below with reference to the drawings of the specification:
as shown in fig. 1 to 5, an electromagnetic relay includes a case 1 having an inner cavity, and a contact system 2 and a magnetic circuit system 3 provided in the inner cavity; wherein,
a housing 1 formed by connecting a base 11 and a housing cover 12;
the contact system 2 is vertically arranged on the base 11, the contact system 2 comprises a static contact piece 21 and a movable contact piece 22 which are inserted on the base 11, the static contact piece 21 is provided with a static contact, and the movable contact piece 22 is provided with a movable contact;
the magnetic circuit system 3 is vertically arranged on the base 11, and the magnetic circuit system 3 comprises an electromagnetic assembly 31, a yoke 32 and an armature 33; the upper end of the yoke 32 is connected with the electromagnetic assembly 31, the armature 33 is limited at the lower end of the yoke 32 by the elastic pressing sheet 4 riveted on the yoke 32, the attraction part 331 of the armature 33 is positioned between the lower end of the electromagnetic assembly 31 and the base 11, and the action part 332 of the armature 33 is positioned at the outer side of the yoke 32 and extends upwards.
In this embodiment, a pushing piece 5 is fixedly connected to a top end portion of the action portion 332 of the armature 33, and one end of the pushing piece 5 away from the action portion 332 is connected to a top end portion of the movable contact piece 22, that is, a connection hole in the movable contact piece 22, which is connected to the pushing piece 5, is disposed above the movable contact; an elastic clamping table 333 is stamped and formed on the action part 332 of the armature 33, and the pushing sheet 5 is provided with an insertion hole 51 which is in insertion fit with the top end of the action part 332 and a clamping hole 52 which is in clamping fit with the elastic clamping table 333. Referring to the attached drawings, the structure can prevent one end, contacting with the movable contact piece, of the pushing piece 5 from being arranged on a current loop of a contact system, so that the pushing piece is prevented from being deformed due to heat generated in the loop, the product can be ensured to reliably act, meanwhile, the structure in the embodiment is adopted to connect the pushing piece with the top end of the action part of the armature, and the connection reliability is higher.
In this embodiment, a partition plate 13 is formed on the base 11, and the magnetic circuit system 3 and the contact system 2 are respectively disposed on two sides of the partition plate 13, so that interference that the magnetic circuit system 3 may generate to the contact system 2 can be reduced by adopting such a structure, and stable operation of the electromagnetic relay is ensured.
In order to automatically assemble the static contact 21 on the base 11, the purposes of improving the assembly efficiency and reducing the input cost are achieved; in this embodiment, a slot 6 adapted to insert the static contact 21 in the lateral direction is formed in a side wall of the base 11, and the static contact 21 is inserted in the slot 6 in the lateral direction and is positioned therein.
In order to laterally position the static contact 21, the inner end 24 of the static contact 21 is abutted against the side wall of the slot 6, and the outer end 25 thereof is abutted against the inner wall of the housing cover 12; in order to longitudinally position the static contact piece 21, in the embodiment, a positioning boss 61 is arranged in the slot 6, a positioning groove 23 which is in plug-in fit with the positioning boss 61 in the process of inserting the static contact piece 21 into the slot 6 along the lateral direction (i.e. the direction C in fig. 3) is arranged on the static contact piece 21, and in practical operation, the positioning boss 61 can be arranged on the static contact piece 21, and the positioning groove 23 is arranged in the slot 6; or a positioning boss 61 and a positioning groove 23 are arranged on the static contact piece 21, and a positioning groove 23 matched with the positioning boss 61 and a positioning boss 61 matched with the positioning groove 23 are arranged in the slot 6. By adopting the above structure, the stationary contact piece 21 can be reliably positioned in the slot 6, and the stationary contact piece 21 is not easily deformed during the assembly process.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And such obvious changes and modifications which fall within the spirit of the invention are deemed to be covered by the present invention.
Claims (4)
1. An electromagnetic relay comprising a housing having an internal cavity, and a contact system and a magnetic circuit system disposed in the internal cavity; wherein,
the shell is formed by connecting a base and a shell cover;
the contact system is vertically arranged on the base and comprises a static contact piece and a movable contact piece which are inserted on the base, the static contact piece is provided with a static contact, and the movable contact piece is provided with a movable contact;
the magnetic circuit system is vertically arranged on the base and comprises an electromagnetic assembly, a yoke and an armature; the upper end of the yoke is connected with the electromagnetic assembly, the armature is limited at the lower end of the yoke by an elastic pressing sheet riveted on the yoke, the actuation part of the armature is positioned between the lower end of the electromagnetic assembly and the base, and the actuation part of the armature is positioned at the outer side of the yoke and extends upwards;
it is characterized in that the preparation method is characterized in that,
the top end of the action part of the armature is fixedly connected with a pushing sheet, and one end of the pushing sheet far away from the action part is connected with the top end of the movable contact sheet;
an elastic clamping table is stamped on the action part of the armature, and the pushing sheet is provided with a jack in insertion fit with the top end of the action part and a clamping hole in clamping fit with the elastic clamping table.
2. The electromagnetic relay according to claim 1,
the base is formed with a partition plate, and the magnetic circuit system and the contact system are respectively arranged on two sides of the partition plate.
3. The electromagnetic relay according to claim 2,
the side wall of the base is provided with a slot suitable for the static contact to be inserted along the lateral direction, and the static contact is inserted along the lateral direction and positioned in the slot.
4. An electromagnetic relay according to claim 3,
the inner side end of the static contact piece is abutted against the side wall of the slot, and the outer side end of the static contact piece is abutted against the inner wall of the shell cover;
the positioning lug boss, the positioning groove or the positioning lug boss and the positioning groove are arranged in the slot, and the positioning groove, the positioning lug boss or the positioning groove and the positioning lug boss which are matched with the positioning lug boss, the positioning groove or the positioning lug boss and the positioning groove in an inserting mode are arranged on the static contact piece in the process of being inserted into the slot along the lateral direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320494776 CN203367165U (en) | 2013-08-13 | 2013-08-13 | Electromagnetic relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320494776 CN203367165U (en) | 2013-08-13 | 2013-08-13 | Electromagnetic relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203367165U true CN203367165U (en) | 2013-12-25 |
Family
ID=49814888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320494776 Expired - Lifetime CN203367165U (en) | 2013-08-13 | 2013-08-13 | Electromagnetic relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203367165U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104201056A (en) * | 2014-08-07 | 2014-12-10 | 宁波福特继电器有限公司 | Small electromagnetic relay |
| CN107689307A (en) * | 2017-09-28 | 2018-02-13 | 三友联众集团股份有限公司 | A kind of side-mounted relay |
| CN108878220A (en) * | 2017-05-09 | 2018-11-23 | 浙江正泰电器股份有限公司 | Magnetic latching relay |
-
2013
- 2013-08-13 CN CN 201320494776 patent/CN203367165U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104201056A (en) * | 2014-08-07 | 2014-12-10 | 宁波福特继电器有限公司 | Small electromagnetic relay |
| CN108878220A (en) * | 2017-05-09 | 2018-11-23 | 浙江正泰电器股份有限公司 | Magnetic latching relay |
| CN108878220B (en) * | 2017-05-09 | 2024-04-19 | 浙江正泰电器股份有限公司 | Magnetic latching relay |
| CN107689307A (en) * | 2017-09-28 | 2018-02-13 | 三友联众集团股份有限公司 | A kind of side-mounted relay |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190116 Address after: 325603 Second Floor, No. 666 Jiaotong East Road, Wuniu Street, Yongjia County, Wenzhou City, Zhejiang Province Co-patentee after: ZHEJIANG SHENLE ELECTRIC Co.,Ltd. Patentee after: SHENLE CO.,LTD. Address before: 325603 No. 49 Baixiang Development Road, Yueqing, Wenzhou City, Zhejiang Province Patentee before: ZHEJIANG SHENLE ELECTRIC Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131225 |