CN110660614A - Permanent magnet type contactor sealing shell - Google Patents
Permanent magnet type contactor sealing shell Download PDFInfo
- Publication number
- CN110660614A CN110660614A CN201910951586.2A CN201910951586A CN110660614A CN 110660614 A CN110660614 A CN 110660614A CN 201910951586 A CN201910951586 A CN 201910951586A CN 110660614 A CN110660614 A CN 110660614A
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- Prior art keywords
- shell
- contactor
- base
- bottom plate
- rectangular
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- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 29
- 230000001681 protective effect Effects 0.000 claims abstract description 35
- 239000003292 glue Substances 0.000 claims abstract description 7
- 230000003068 static effect Effects 0.000 claims description 17
- 238000005452 bending Methods 0.000 claims description 3
- 238000010292 electrical insulation Methods 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
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
- H01H50/023—Details concerning sealing, e.g. sealing casing with resin
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/14—Terminal arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
- H01H2050/028—Means to improve the overall withstanding voltage, e.g. creepage distances
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention discloses a permanent magnet type contactor sealing shell which consists of a shell, a base and a protective cover, wherein a contactor main body is arranged on the base, a load leading-out end of the contactor penetrates through a base bottom plate and enters the protective cover, the base provided with the contactor main body is integrally nested in a rectangular shell, and the base bottom plate and the edge of the shell are processed by sealing glue to form an air-tight sealing structure; the protective cover is buckled on the outer wall of the shell to form wiring protection. The invention adopts an airtight sealing structure, thereby greatly improving the environmental adaptability of the product and meeting the severe environments of moisture, dust and the like; and the safety of product wiring is improved by adopting the protective cover.
Description
Technical Field
The invention relates to a contactor, in particular to a permanent magnet type contactor sealing shell for controlling an electrical load, and belongs to the technical field of electrical equipment.
Background
The permanent magnetic contactor comprises an electromagnetic working system and a contact working system, a closed pulse voltage is provided by a high-low frequency conversion controller, the electromagnetic working system is electrified to form a magnetic field to drive the armature component to swing, then the control rod is driven to push a movable reed of the contact working system to realize the contact of a movable contact and a static contact, when the pulse voltage disappears, because the permanent magnet is arranged in the electromagnetic working system, the magnetic field still exists, the moving contact and the fixed contact are always kept in contact by the magnetic field force, when the movable and static contacts are required to be separated, a reverse cut-off pulse voltage is provided, the electromagnetic working system is electrified reversely to form a reverse magnetic field, the armature component is driven to swing reversely, the control rod is driven to pull the movable reed of the contact working system reversely, the movable and static contacts are separated, under the condition that continuous energization is not needed, the product contact can be in a contact or disconnection state, so that the purpose of controlling the load is achieved.
Traditional contactor, its working device all expose in atmospheric atmosphere, dust, moisture content, corrosive gas etc. in the service environment all can cause the pollution to the contact of contactor, increase the contact and become charcoal, strike sparks, draw sparks, have reduced the effective life of contactor.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a permanent magnet contactor sealing shell, which adopts an airtight sealing structure, greatly improves the environmental adaptability of products, and can meet the severe environments such as moisture, dust and the like; and the safety of product wiring is further improved by adopting the protective cover.
In order to achieve the purpose, the invention provides the following technical scheme: a permanent magnet type contactor sealing shell consists of a shell, a base and a protective cover, wherein a contactor main body is arranged on the base, a leading-out end of a moving spring and a leading-out end of a static spring penetrate through a base bottom plate to enter the protective cover, the base provided with the contactor main body is integrally nested in a rectangular shell, and the base bottom plate and the edge of the shell are processed by sealing glue to form an air-tight sealing structure; the protective cover is buckled on the outer wall of the shell to form wiring protection.
The invention relates to a sealing shell of a permanent magnet contactor, wherein a base is an injection molding body which is of an integrated structure and consists of a bottom plate, a contact working system mounting table and an electromagnetic working system mounting table, the bottom plate is of a rectangular structure, the edge of the bottom plate is matched with a shell, the bottom plate is inserted into the shell in a clamping manner, and sealing is realized by sealing glue; the contact working system mounting table main body is of a rectangular frame structure, a static spring mounting seat and a movable spring mounting seat which are of a cuboid structure are arranged in the contact working system mounting table main body, the bottom of the movable spring mounting seat extends to the lower portion of the electromagnetic working system mounting table, and the creepage distance is effectively increased by adopting concave-convex rectangular teeth, so that the insulativity is improved; the electromagnetic working system mounting platform is close to the contact working system mounting platform, a semi-closed rectangular protective structure is adopted, caulking grooves are arranged on two side walls to serve as yoke mounting grooves for inserting yokes of the contactor main body, and rotating shaft holes are respectively arranged on the two side walls to serve as mounting rotating shafts; the top of the base is provided with a notch serving as a yielding port and used as the yielding of the top end of the armature of the contactor main body, and the base adopting the structure can effectively increase creepage distance and improve electrical insulation protection performance;
the invention relates to a permanent magnet contactor sealing shell, wherein the shell is a cuboid hollow shell with an opening at one end, and the size of an inner hole is matched with the bottom plate of a base; the three lateral surface of shell respectively is equipped with a rectangular channel as the constant head tank be equipped with a little wedge type square boss in the middle of the constant head tank bottom as buckle platform, with the bayonet socket cooperation of the connecting plate of safety cover realizes the safety cover and seal shell's fixed, and the top edge is equipped with the card strip, with the cooperation of safety cover cardboard.
The invention relates to a sealing shell of a permanent magnet contactor, wherein a protective cover is of a stepped rectangular housing structure, the size of the bottom of the protective cover is consistent with that of a shell, three rectangular connecting plates are respectively arranged on the edges of the bottom of the protective cover, a rectangular opening is arranged in the middle of each connecting plate and is used as a bayonet to be matched with a buckling table of the shell, and clamping plates are arranged on the periphery of the edge of the bottom of the protective cover and are matched with clamping strips at the top of the shell; two square holes are arranged on one side of the bottom of the contactor body and are used as pin ports, and pins of a coil assembly of the contactor body arranged on the base penetrate through the pin ports; the protective cover is respectively provided with a contactor static spring leading-out end locking wire cover and a dynamic spring leading-out end locking wire cover, wherein the top surface of each leading-out end locking wire cover is provided with a rectangular locking wire interface, the side surface of each leading-out end locking wire cover is provided with a round screw fastening port, and the leading-out end locking wire cover is used for leading-out end protection; because the movable spring of contactor main part draws forth the end longer, and the safety cover is established to right angle ladder structure of bending, sets up two on the bottom plate respectively and draws forth the end guiding hole, and wear out as drawing forth the end direction, be equipped with two fixed slots between lower floor's bottom plate and the roof respectively, the lock line terminal card is put in the fixed slot, and the movable spring draws forth the end and passes the bottom plate through drawing forth the end guiding hole, and the lock line screw passes through screw fastening mouth locking lock wire locking terminal and moves the spring and draws forth the end, and the static spring draws forth the end and passes the bottom plate through drawing forth the end guiding hole, and the lock line screw passes through screw fastening mouth locking wire.
The technical scheme has the following beneficial effects: the base of the invention is an injection molding body which is of an integrated structure and consists of a contact working system mounting table and an electromagnetic working system mounting table, wherein the main body of the contact working system mounting platform is of a rectangular frame structure, a static spring mounting seat and a movable spring mounting seat which are of a cuboid structure are arranged in the main body, the bottom of the movable spring mounting seat extends to the lower part of the electromagnetic working system mounting platform, the electromagnetic working system mounting platform is adjacent to the contact working system mounting platform, a semi-closed rectangular protection structure is adopted, the mounting working platform of the base is divided into regions according to the functions of the contactor, meanwhile, the fixed installation of the functional parts of the contactor is realized through the rectangular frame, the closed rectangular protective structure, the caulking groove and the like, the creepage distance is effectively increased, the insulating property is excellent, the whole structure of the base is simple and compact, the size is small, and the assembly is convenient; the bottom plate of the base is of a rectangular structure, the edge of the bottom plate is matched with the shell, the bottom plate is clamped in the shell, sealing is achieved through sealing glue, and the base is simple in structure and simple to operate; the contactor main body is encapsulated in the shell to form a sealing system, so that the environmental adaptability of the contactor in use is greatly improved and expanded; the shell is provided with rectangular positioning grooves on three side surfaces, the rectangular positioning grooves are matched with the connecting plate of the protective cover and are clamped on the bayonet through the clamping table, the shell is simply and quickly connected with the protective cover, and the clamping strips of the shell are matched with the clamping plates of the protective cover, so that the connection stability of the shell and the protective cover is further improved; the safety cover is according to the structural feature of contactor main part, and the safety cover is established to the right angle ladder structure of bending, sets up contactor quiet spring and draws forth end locking wire cover and move spring and draw forth end locking wire cover respectively, draws forth the sound spring of contactor main part and all puts in the safety cover with the wiring end, makes load termination wiring safer.
The invention is further described below with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic view of an electromagnetic operating system installation structure according to an embodiment of the present invention.
Fig. 3 is a schematic view of a contact work system installation structure according to an embodiment of the present invention.
FIG. 4 is a schematic diagram of a base structure according to an embodiment of the invention.
Fig. 5 is a schematic diagram of an outer shell structure according to an embodiment of the present invention.
Fig. 6 is a schematic view of an assembly structure of a fixing cover and a housing according to an embodiment of the invention.
Fig. 7 is a schematic structural diagram of a fixing cover according to an embodiment of the present invention 1.
Fig. 8 is a schematic structural diagram of a fixing cover according to an embodiment of the present invention 2.
In the figure: the device comprises a shell 1, 11 positioning grooves, 111 clamping tables, 12 clamping strips, 2 bases, 21 bottom plates, 22 static spring installation seats, 23 moving spring installation seats, 231 concave-convex rectangular teeth, 24 yoke iron installation grooves, 25 rotating shaft holes, 26 yielding ports, 3 protection covers, 31 connecting plates, 311 bayonets, 32 clamping plates, 33 wire locking interfaces, 34 screw fastening ports, 35 fixing grooves, 36 pin ports, 37 bottom plates, 38 top plates, 39 guide holes, 4 terminals, 41 wire locking terminals, 42 wire locking screws, 5 rotating shafts, 6 electromagnetic working systems, 61 armatures, 62 yokes, 7 contact working systems, 71 moving spring leading-out ends and 72 static spring leading-out ends.
The embodiment of the invention provides a permanent magnet contactor sealing shell, which adopts an airtight sealing structure, greatly improves the environmental adaptability of products, and can meet severe environments such as moisture, dust and the like; the safety of product wiring is further improved by adopting the protective cover
As shown in fig. 1, 2 and 3, the permanent magnet contactor seal housing according to the embodiment of the present invention is a permanent magnet contactor seal housing, and the housing is composed of a housing 1, a base 2 and a protective cover 3, wherein a contactor main body is installed on the base 2, a moving and static spring leading-out end passes through a base plate 21 of the base 2 and enters the protective cover 3, the base 2 on which the contactor main body is installed is integrally embedded in the housing 1, and the base plate 21 of the base 2 and the edge of the housing 1 are processed by sealing compound to form an airtight seal structure; and 3, buckling the protective cover on the outer wall of the shell 1 to form wiring protection.
As shown in fig. 2, 3 and 4, a permanent magnet contactor seal housing according to an embodiment of the present invention, wherein a base 2 is an injection molded body of an integrated structure composed of a base plate 21, a contact work system mounting table and an electromagnetic work system mounting table, the base plate 21 is a rectangular structure, an edge of the base plate is matched with a housing 1, the base plate is inserted into the housing 1, and sealing is achieved by sealing glue; the contact working system mounting table main body is of a rectangular frame structure, a 22 static spring mounting seat and a 23 moving spring mounting seat which are of a cuboid structure are arranged inside the contact working system mounting table main body, the bottom of the 23 moving spring mounting seat extends to the lower portion of the electromagnetic working system mounting table, and the creepage distance is effectively increased by adopting 231 concave-convex rectangular teeth, so that the insulating property is improved; the electromagnetic working system mounting platform is close to the contact working system mounting platform, a semi-closed rectangular protective structure is adopted, caulking grooves are arranged on two side walls to serve as 24 yoke mounting grooves for inserting 62 yokes of the contactor main body, and 25 rotating shaft holes are respectively arranged on the two side walls to serve as mounting 5 rotating shafts; the top of the base 2 is provided with a notch serving as a 26-way opening and used as a 61 armature top way of the contactor main body, and the base 2 can effectively increase creepage distance and improve electrical insulation protection performance by adopting the structure;
as shown in fig. 1, 5 and 6, in an embodiment of the invention, a permanent magnet contactor sealed shell is provided, wherein the outer shell 1 is a cuboid hollow shell with an opening at one end, and an inner hole is matched with the base 21 of the base 2 in size; respectively be equipped with a rectangular channel on the three lateral surface of 1 shell as 11 constant head tanks 11 be equipped with a little wedge type square boss in the middle of the 11 constant head tanks bottom as 111 buckle platforms, with 3 the 311 bayonet socket cooperation of the 31 connecting plates of safety cover, realize 3 safety covers and the fixed of sealed 1 shell, the top edge is equipped with 12 card strips, with 3 the 32 cardboard cooperation of safety cover.
As shown in fig. 1, 6, 7 and 8, the permanent magnet contactor seal housing according to the present invention, wherein the 3 protective cover is a stepped rectangular housing structure, the bottom size is the same as the 1 outer shell size, three rectangular 31 connecting plates are respectively arranged on the bottom edge, a rectangular opening is arranged in the middle of the 31 connecting plate as a 311 bayonet, and is matched with the 111 bayonet of the 1 outer shell, and 32 snap-gauge plates are arranged around the bottom edge and are matched with the 12 bayonet strips at the top of the 1 outer shell; two square holes are arranged on one side of the bottom of the contactor body and used as 36 pin ports, and 63 pins of a coil assembly of the contactor body arranged on the base 2 penetrate through the 36 pin ports; the protection cover 3 is respectively provided with a contactor static spring leading-out end locking wire cover and a dynamic spring leading-out end locking wire cover, wherein the top surface of each leading-out end locking wire cover is provided with a rectangular 33 locking wire interface, the side surface of each leading-out end locking wire cover is provided with a circular 34 screw fastening port, and the leading-out end locking wire cover is used for leading-out end protection; because the 71 movable spring leading-out end of the contactor main body is longer, the 3 protective cover is designed to be a right-angled bent stepped structure, two leading-out end 39 guide holes are respectively arranged on the 37 bottom plate and used for leading the leading-out end to penetrate out, two 35 fixing grooves are respectively arranged between the 37 bottom plate and the 38 top plate of the lower layer, the 41 locking wire terminal is clamped in the 35 fixing grooves, the 71 movable spring leading-out end penetrates through the 37 bottom plate through the leading-out end 39 guide holes, the 42 locking wire screw locks the 41 locking wire terminal and the 71 movable spring leading-out end through a 34 screw fastening port, the 72 static spring leading-out end penetrates through the 37 bottom plate through the leading-out end 39 guide holes, and the 42 locking wire screw locks the 41 locking wire terminal and the.
The present embodiments are to be considered as illustrative and not restrictive, and all changes and modifications that come within the spirit of the invention are desired to be protected by the following claims.
Claims (3)
1. A permanent magnet contactor seal shell is characterized in that: the shell consists of a shell, a base and a protective cover, wherein a contactor main body is arranged on the base, a leading-out end of a moving spring and a fixed spring passes through a base bottom plate and enters the protective cover, the base provided with the contactor main body is integrally nested in the rectangular shell, and the base bottom plate and the edge of the shell are processed by sealing glue to form an airtight sealing structure; the protective cover is buckled on the outer wall of the shell to form wiring protection.
2. The permanent magnet contactor seal housing of claim 1, wherein: the base is an injection molding body which is of an integrated structure and consists of a bottom plate, a contact working system mounting table and an electromagnetic working system mounting table, the bottom plate is of a rectangular structure, the edge of the bottom plate is matched with the shell, the bottom plate is inserted into the shell in a clamping mode, and sealing is achieved through sealing glue; the contact working system mounting table main body is of a rectangular frame structure, a static spring mounting seat and a movable spring mounting seat which are of a cuboid structure are arranged in the contact working system mounting table main body, the bottom of the movable spring mounting seat extends to the lower portion of the electromagnetic working system mounting table, and the creepage distance is effectively increased by adopting concave-convex rectangular teeth, so that the insulativity is improved; the electromagnetic working system mounting platform is close to the contact working system mounting platform, a semi-closed rectangular protective structure is adopted, caulking grooves are arranged on two side walls to serve as yoke mounting grooves for inserting yokes of the contactor main body, and rotating shaft holes are respectively arranged on the two side walls to serve as mounting rotating shafts; the top of the base is provided with a notch serving as a yielding port and used as the yielding of the top end of the armature of the contactor main body, and the base adopting the structure can effectively increase creepage distance and improve electrical insulation protection performance;
the permanent magnet contactor seal housing of claim 1, wherein: the shell is a cuboid hollow shell with an opening at one end, and the size of an inner hole is matched with the bottom plate of the base; the three lateral surface of shell respectively is equipped with a rectangular channel as the constant head tank be equipped with a little wedge type square boss in the middle of the constant head tank bottom as buckle platform, with the bayonet socket cooperation of the connecting plate of safety cover realizes the safety cover and seal shell's fixed, and the top edge is equipped with the card strip, with the cooperation of safety cover cardboard.
3. The permanent magnet contactor seal housing of claim 1, wherein: the protective cover is of a stepped rectangular cover shell structure, the size of the bottom of the protective cover is consistent with that of the shell, three rectangular connecting plates are respectively arranged on the edges of the bottom of the protective cover, a rectangular opening is arranged in the middle of each connecting plate and is used as a bayonet to be matched with a bayonet table of the shell, and clamping plates are arranged on the periphery of the edge of the bottom of the protective cover and are matched with clamping strips at the top of the shell; two square holes are arranged on one side of the bottom of the contactor body and are used as pin ports, and pins of a coil assembly of the contactor body arranged on the base penetrate through the pin ports; the protective cover is respectively provided with a contactor static spring leading-out end locking wire cover and a dynamic spring leading-out end locking wire cover, wherein the top surface of each leading-out end locking wire cover is provided with a rectangular locking wire interface, the side surface of each leading-out end locking wire cover is provided with a round screw fastening port, and the leading-out end locking wire cover is used for leading-out end protection; because the movable spring of contactor main part draws forth the end longer, and the safety cover is established to right angle ladder structure of bending, sets up two on the bottom plate respectively and draws forth the end guiding hole, and wear out as drawing forth the end direction, be equipped with two fixed slots between lower floor's bottom plate and the roof respectively, the lock line terminal card is put in the fixed slot, and the movable spring draws forth the end and passes the bottom plate through drawing forth the end guiding hole, and the lock line screw passes through screw fastening mouth locking lock wire locking terminal and moves the spring and draws forth the end, and the static spring draws forth the end and passes the bottom plate through drawing forth the end guiding hole, and the lock line screw passes through screw fastening mouth locking wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910951586.2A CN110660614A (en) | 2019-10-09 | 2019-10-09 | Permanent magnet type contactor sealing shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910951586.2A CN110660614A (en) | 2019-10-09 | 2019-10-09 | Permanent magnet type contactor sealing shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110660614A true CN110660614A (en) | 2020-01-07 |
Family
ID=69040147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910951586.2A Pending CN110660614A (en) | 2019-10-09 | 2019-10-09 | Permanent magnet type contactor sealing shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110660614A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07134933A (en) * | 1993-11-09 | 1995-05-23 | Fuji Electric Co Ltd | Charged part protecting cover of electromagnetic contactor for printed board |
| JPH11162316A (en) * | 1997-12-01 | 1999-06-18 | Yazaki Corp | Mounting method of electromagnetic relay on wiring board and electromagnetic relay |
| CN105845507A (en) * | 2015-01-13 | 2016-08-10 | 泰科电子(深圳)有限公司 | Relay |
| CN209298033U (en) * | 2018-12-18 | 2019-08-23 | 三友联众集团股份有限公司 | A kind of two-phase magnetic latching relay |
| CN110634708A (en) * | 2019-10-05 | 2019-12-31 | 浙江美硕电气科技股份有限公司 | Permanent magnet type sealing contactor |
| CN210628197U (en) * | 2019-10-09 | 2020-05-26 | 浙江美硕电气科技股份有限公司 | Permanent magnet type contactor sealing shell |
-
2019
- 2019-10-09 CN CN201910951586.2A patent/CN110660614A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07134933A (en) * | 1993-11-09 | 1995-05-23 | Fuji Electric Co Ltd | Charged part protecting cover of electromagnetic contactor for printed board |
| JPH11162316A (en) * | 1997-12-01 | 1999-06-18 | Yazaki Corp | Mounting method of electromagnetic relay on wiring board and electromagnetic relay |
| CN105845507A (en) * | 2015-01-13 | 2016-08-10 | 泰科电子(深圳)有限公司 | Relay |
| CN209298033U (en) * | 2018-12-18 | 2019-08-23 | 三友联众集团股份有限公司 | A kind of two-phase magnetic latching relay |
| CN110634708A (en) * | 2019-10-05 | 2019-12-31 | 浙江美硕电气科技股份有限公司 | Permanent magnet type sealing contactor |
| CN210628197U (en) * | 2019-10-09 | 2020-05-26 | 浙江美硕电气科技股份有限公司 | Permanent magnet type contactor sealing shell |
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Address after: No.158, wei12 Road, Yueqing Economic Development Zone, Yueqing City, Wenzhou City, Zhejiang Province 325600 Applicant after: ZHEJIANG MEISHUO ELECTRIC TECHNOLOGY Co.,Ltd. Address before: 325600 Chongqing Industrial Zone, Panshi Town, Yueqing City, Wenzhou City, Zhejiang Province Applicant before: ZHEJIANG MEISHUO ELECTRIC TECHNOLOGY Co.,Ltd. |