CN108321027B - Contactor with deformation-proof normally closed contact plate - Google Patents
Contactor with deformation-proof normally closed contact plate Download PDFInfo
- Publication number
- CN108321027B CN108321027B CN201810178750.6A CN201810178750A CN108321027B CN 108321027 B CN108321027 B CN 108321027B CN 201810178750 A CN201810178750 A CN 201810178750A CN 108321027 B CN108321027 B CN 108321027B
- Authority
- CN
- China
- Prior art keywords
- plate
- closed contact
- base
- groove
- contactor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000005192 partition Methods 0.000 claims description 17
- 210000003205 muscle Anatomy 0.000 claims description 5
- 238000010030 laminating Methods 0.000 claims 2
- 230000002265 prevention Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 8
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052709 silver Inorganic materials 0.000 abstract description 3
- 239000004332 silver Substances 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000000428 dust Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
- H01H50/04—Mounting complete relay or separate parts of relay on a base or inside a case
- H01H50/041—Details concerning assembly of relays
- H01H50/045—Details particular to contactors
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
A contactor having a normally closed contact plate that is deformation-resistant. The normally closed contact plate mainly solves the problems that the lower half part is easy to be stressed eccentrically due to thrust when the normally closed contact plate of the existing contactor is installed, and the contact plate is easy to skew and scratch a plastic base. The invention provides a contactor with an anti-deformation normally-closed contact plate, wherein an operation groove is arranged on an inner plate or an inclined plate of the normally-closed contact plate, and when an impetus of the normally-closed contact plate is pushed to be not on the outer plate, the normally-closed contact plate is prevented from being deformed in installation, the silver contacts are aligned after the contact plate is installed in place, a base is not scratched in a skew mode during installation, and the product quality is ensured.
Description
Technical Field
The invention relates to the field of contactors, in particular to a contactor with an anti-deformation normally closed contact plate.
Background
Contactors are widely used as power on-off and control circuits. It uses contacts to open and close a circuit, generally comprising four parts: 1. the electromagnetic system comprises an attraction coil, a movable iron core and a static iron core; 2. the contact system comprises three groups of main contacts and one to two groups of normally open auxiliary contacts and normally closed auxiliary contacts, and the main contacts and the movable iron core are connected together and are linked with each other; 3. the arc extinguishing device is arranged on an alternating current contactor with larger capacity, and the arc is rapidly cut off once so as to avoid burning out the main contact; 4. insulating shell and accessories, various springs, transmission mechanisms, short-circuit rings, binding posts, etc.
The auxiliary normally closed contact plate for the existing contactor is divided into an upper structure and a lower structure, and the upper part and the lower part are connected by an integral inclined plane. The upper half part and the base are in interference fit, the lower half part is pushed by the pushing force to enable the contact plate to slide into the corresponding mounting groove during mounting, however, the lower part is stressed eccentrically, the contact plate is very easy to incline and scratch the plastic base, and meanwhile, the inclined plane deformation occurs due to the stress of the lower half part, so that the contact plate is not mounted in place, and the silver points are misplaced to further influence the auxiliary switching-on and switching-off functions.
Disclosure of Invention
In order to overcome the defects of the background technology, the invention provides the contactor with the deformation-preventing normally-closed contact plate, which mainly solves the problems that the lower half part is easy to be stressed eccentrically due to thrust when the normally-closed contact plate of the traditional contactor is installed, and the contact plate is easy to skew and scratch a plastic base.
The technical scheme adopted by the invention is as follows:
the contactor with the deformation-preventing normally-closed contact plate comprises a base and a base, wherein the base is connected with the base, a first partition plate and a second partition plate are arranged on the base, the normally-closed contact plate is arranged between the first partition plate and the second partition plate and comprises an outer plate, an inclined plate and an inner plate, the base comprises a first platform and a second platform, the outer plate is connected with the first platform through a fastener, the inner plate is arranged on the second platform, one side of the inner plate is abutted against the first partition plate, and the other side of the inner plate is abutted against the second partition plate; the inner plate or/and the sloping plate is/are provided with an operation groove for pushing.
The beneficial effects of the invention are as follows: the invention provides a contactor with an anti-deformation normally-closed contact plate, wherein an operation groove is arranged on an inner plate or an inclined plate of the normally-closed contact plate, and when an impetus of the normally-closed contact plate is pushed to be not on the outer plate, the normally-closed contact plate is prevented from being deformed in installation, the silver contacts are aligned after the contact plate is installed in place, a base is not scratched in a skew mode during installation, and the product quality is ensured.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is an enlarged view at a in fig. 1.
Fig. 3 is a schematic cross-sectional view of a base according to an embodiment of the present invention.
Fig. 4 is a schematic perspective view of a normally closed contact plate according to an embodiment of the present invention.
Fig. 5 is a partial perspective view of an embodiment of the present invention.
Fig. 6 is a schematic partial cross-sectional view of an embodiment of the present invention.
FIG. 7 is an enlarged view of FIG. 6 at B
Fig. 8 is a schematic perspective view of a base according to an embodiment of the invention.
Fig. 9 is a schematic partial cross-sectional view of an embodiment of the present invention.
Fig. 10 is a perspective view of a bobbin of an embodiment of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings: as shown in the figure, the contactor with a deformation-preventing normally-closed contact plate comprises a base 1 and a base 4 which are connected, wherein a first partition plate 45 and a second partition plate 46 are arranged on the base, a normally-closed contact plate 41 is arranged between the first partition plate 45 and the second partition plate 46, the normally-closed contact plate 41 comprises an outer plate 411, an inclined plate 412 and an inner plate 413, the base comprises a first platform 42 and a second platform 43, the outer plate is connected with the first platform 42 through a fastening piece, the inner plate 413 is arranged on the second platform 43, one side of the inner plate 413 is abutted against the first partition plate 45, and the other side of the inner plate 413 is abutted against the second partition plate 46; the inner plate 413 or/and the sloping plate 412 are provided with an operation groove 414 for pushing. This operation groove can set up also can set up on the inner panel at the swash plate, when needs promote the installation normally closed contact board, promotes at the inner wall of operation groove through hand push or instrument and makes normally closed contact board install in place, is difficult for appearing no longer crooked scratch base, guarantees product quality, and the planking can be installed on first platform through fastening screw in the time of the installation, simple to operate.
In this embodiment, as shown in the drawing, the operation groove is a through groove, and the operation groove is partially disposed on the sloping plate, and the other part is disposed on the inner plate.
In this embodiment, as shown, the operation slot includes a pushing surface 4141 provided on the inner plate, and an open space 48 for the tool to extend is provided on the base 4 opposite to the pushing surface. The normally closed contact plate is first mounted in place by pushing the pushing surface with a tool and then the fastening screw is mounted on the outer plate, the open space being available for manual operation.
In this embodiment, as shown in the drawing, guide grooves 451 that are slidably engaged with the inner plate 413 are provided on both the first and second partition plates. The installation is more convenient.
In this embodiment, as shown in the figure, a containing groove 3 for installing the coil former 2 is provided in the base, and a through hole 11 communicating with the containing groove is provided on the outer wall of the bottom of the base 1. Is used for ventilation and reducing the temperature in the shell.
In this embodiment, as shown in the figure, the side wall of the base is provided with a through groove which is communicated with the accommodating groove.
In this embodiment, as shown in the drawing, the cross section of the through groove is L-shaped, and the through groove includes a transverse groove 121 and an upward extending vertical groove 122, the transverse groove is disposed on the side wall of the base, the inner wall of the base is provided with an air guiding seat 13 corresponding to the transverse groove, the vertical groove is disposed in the air guiding seat, and the transverse groove 121 is communicated with the base 1 through the vertical groove. The dust and debris can be reduced and enter the product, the dustproof capacity of the product is improved, if dust exists in the air entering the transverse groove and is blocked by the guide seat, the air rises and then enters the base along with the vertical groove, and as one of the possible schemes, the filter screen can be arranged on the vertical groove.
In this embodiment, as shown in the figure, the air guiding seat is provided with a buckle 132, and the buckle is used for being in clamping fit with the inner wall of the base 4. The installation is more convenient.
In this embodiment, as shown in the figure, the side wall of the base is provided with a plurality of platforms 14, the coil former 2 includes a bottom plate 21, a boss 22 is provided on the bottom plate, a winding post 23 is provided on the boss 22, the bottom plate 21 is provided on the upper end surface of the platform, and the winding post is provided in the accommodating groove.
In this embodiment, as shown in the drawing, the platform includes a first platform 141 and a second platform 142 that are correspondingly disposed around the boss, a first limiting rib 1411 is disposed on the first platform, a second limiting rib 1421 is disposed on the second platform, the first limiting rib is attached to the rear end face of the boss, and the second limiting rib is attached to the front end face of the boss. Be equipped with the clamp line face on the boss, set up the platform along current base is inside, when supporting the coil, carry out spacingly to the boss of coil, boss structural strength is better than outline, and spacing muscle and platform are connected inside outline, and dimensional stability is good, non-deformable. After the coil is installed, the coil is positioned by the limiting ribs and the platform, so that the coil is more stable in the product, the generated magnetic field is uniformly distributed in the iron core, the attraction reliability and stability of the product are improved, and the service life of the product is prolonged; on the other hand, the limiting position is easy to assemble due to small deformation and good stability, and the assembly production efficiency is improved.
In this embodiment, as shown in the drawing, a top plate 15 is further disposed on the inner wall of the base in the left-right direction relative to the coil frame 2, and the top plate presses the left rear end surface of the coil frame.
The examples should not be construed as limiting the invention, but any modifications based on the spirit of the invention should be within the scope of the invention.
Claims (10)
1. The utility model provides a contactor with normal close contact plate of preapring for an unfavorable turn of events, including base (1) and base (4) that are connected, be equipped with first baffle (45) and second baffle (46) on the base, install normal close contact plate (41), its characterized in that between first baffle (45) and the second baffle (46): the normally closed contact plate (41) comprises an outer plate (411), an inclined plate (412) and an inner plate (413), the base comprises a first platform (42) and a second platform (43),
The outer plate is connected with the first platform (42) through a fastener, the inner plate (413) is arranged on the second platform (43), one side of the inner plate (413) is abutted against the first partition plate (45), and the other side of the inner plate is abutted against the second partition plate (46); an operation groove (414) for pushing is formed in the inner plate (413) or/and the inclined plate (412).
2. The contactor with deformation-preventing normally closed contact plates according to claim 1, wherein: the operation groove is a through groove, one part of the operation groove is arranged on the inclined plate, and the other part of the operation groove is arranged on the inner plate.
3. The contactor with an anti-deformation normally closed contact plate according to claim 2, wherein: the operating groove comprises a pushing surface (4141) arranged on the inner plate, and an open space (48) for a tool to extend into is formed on the base (4) opposite to the pushing surface.
4. A contactor having a normally closed contact plate with deformation prevention according to claim 3, wherein: guide grooves (451) which are in sliding fit with the inner plate (413) are formed in the first partition plate and the second partition plate.
5. The contactor with deformation-preventing normally closed contact plates according to claim 1, wherein: the coil rack is characterized in that an accommodating groove (3) for installing the coil rack (2) is formed in the base, and a through hole (11) communicated with the accommodating groove is formed in the outer wall of the bottom of the base (1).
6. The contactor with an anti-deformation normally closed contact plate according to claim 5, wherein: the side wall of the base is provided with a through groove communicated with the accommodating groove.
7. The contactor with an anti-deformation normally closed contact plate according to claim 6, wherein: the cross section of logical groove is L shape, just logical groove includes horizontal groove (121) and upwards extends vertical groove (122), horizontal groove is located on the base lateral wall, the base inner wall is relative horizontal groove is equipped with wind guiding seat (13), vertical groove locates in the wind guiding seat, horizontal groove (121) pass through vertical groove with communicate in base (1).
8. The contactor with deformation-preventing normally closed contact plates of claim 7, wherein: the air guide seat is provided with a buckle plate (132) which is used for being matched with the inner wall of the base (4) in a clamping way.
9. The contactor with deformation-preventing normally closed contact plates of claim 8, wherein: be equipped with a plurality of platforms (14) on the base lateral wall, coil former (2) are including bottom plate (21), be equipped with boss (22) on the bottom plate, be equipped with wrapping post (23) on boss (22), bottom plate (21) are located the platform up end, the wrapping post is located in the holding tank.
10. The contactor with deformation-preventing normally closed contact plates according to claim 9, wherein: the platform is including locating correspondingly first platform (141) and second platform (142) around the boss, be equipped with first spacing muscle (1411) on the first platform, be equipped with second spacing muscle (1421) on the second platform, first spacing muscle with terminal surface laminating behind the boss, the second spacing muscle with terminal surface laminating before the boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810178750.6A CN108321027B (en) | 2018-03-05 | 2018-03-05 | Contactor with deformation-proof normally closed contact plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810178750.6A CN108321027B (en) | 2018-03-05 | 2018-03-05 | Contactor with deformation-proof normally closed contact plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108321027A CN108321027A (en) | 2018-07-24 |
| CN108321027B true CN108321027B (en) | 2024-05-07 |
Family
ID=62902089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810178750.6A Active CN108321027B (en) | 2018-03-05 | 2018-03-05 | Contactor with deformation-proof normally closed contact plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108321027B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006278002A (en) * | 2005-03-28 | 2006-10-12 | Fuji Electric Fa Components & Systems Co Ltd | Multipolar contact type switching device |
| CN102365699A (en) * | 2009-08-20 | 2012-02-29 | 富士电机机器制御株式会社 | Electromagnetic contactor |
| CN104143478A (en) * | 2013-02-13 | 2014-11-12 | 欧姆龙株式会社 | Electromagnetic relay |
| CN204632677U (en) * | 2015-05-20 | 2015-09-09 | 浙江天正电气股份有限公司 | A kind of mounting structure of contactor static contact panel |
| CN204857587U (en) * | 2015-07-22 | 2015-12-09 | 浙江天正电气股份有限公司 | Contactor that prevents to assist static contact group to drop |
| CN105374629A (en) * | 2015-10-30 | 2016-03-02 | 厦门宏发开关设备有限公司 | Movable bayonet of contact pedestal based on C-shaped spring |
| CN205303341U (en) * | 2015-12-04 | 2016-06-08 | 浙江正泰电器股份有限公司 | Ac contactor's protective cover structure |
| CN205452181U (en) * | 2015-12-31 | 2016-08-10 | 浙江正泰电器股份有限公司 | AC (alternating current) contactor |
| CN205452185U (en) * | 2015-12-30 | 2016-08-10 | 浙江正泰电器股份有限公司 | Ac contactor's iron core mounting structure |
| CN207834205U (en) * | 2018-03-05 | 2018-09-07 | 浙江天正电气股份有限公司 | Contactor with distortion-free normally closed contact plate |
-
2018
- 2018-03-05 CN CN201810178750.6A patent/CN108321027B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006278002A (en) * | 2005-03-28 | 2006-10-12 | Fuji Electric Fa Components & Systems Co Ltd | Multipolar contact type switching device |
| CN102365699A (en) * | 2009-08-20 | 2012-02-29 | 富士电机机器制御株式会社 | Electromagnetic contactor |
| CN104143478A (en) * | 2013-02-13 | 2014-11-12 | 欧姆龙株式会社 | Electromagnetic relay |
| CN204632677U (en) * | 2015-05-20 | 2015-09-09 | 浙江天正电气股份有限公司 | A kind of mounting structure of contactor static contact panel |
| CN204857587U (en) * | 2015-07-22 | 2015-12-09 | 浙江天正电气股份有限公司 | Contactor that prevents to assist static contact group to drop |
| CN105374629A (en) * | 2015-10-30 | 2016-03-02 | 厦门宏发开关设备有限公司 | Movable bayonet of contact pedestal based on C-shaped spring |
| CN205303341U (en) * | 2015-12-04 | 2016-06-08 | 浙江正泰电器股份有限公司 | Ac contactor's protective cover structure |
| CN205452185U (en) * | 2015-12-30 | 2016-08-10 | 浙江正泰电器股份有限公司 | Ac contactor's iron core mounting structure |
| CN205452181U (en) * | 2015-12-31 | 2016-08-10 | 浙江正泰电器股份有限公司 | AC (alternating current) contactor |
| CN207834205U (en) * | 2018-03-05 | 2018-09-07 | 浙江天正电气股份有限公司 | Contactor with distortion-free normally closed contact plate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108321027A (en) | 2018-07-24 |
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