CN113270295A - Mounting device for arc extinguishing grid piece of contactor - Google Patents
Mounting device for arc extinguishing grid piece of contactor Download PDFInfo
- Publication number
- CN113270295A CN113270295A CN202110472745.8A CN202110472745A CN113270295A CN 113270295 A CN113270295 A CN 113270295A CN 202110472745 A CN202110472745 A CN 202110472745A CN 113270295 A CN113270295 A CN 113270295A
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- CN
- China
- Prior art keywords
- arc extinguishing
- arc
- component
- static
- abutting
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
- H01H50/36—Stationary parts of magnetic circuit, e.g. yoke
- H01H50/38—Part of main magnetic circuit shaped to suppress arcing between the contacts of the relay
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The invention discloses a mounting device of a contactor arc-extinguishing grating sheet, which comprises a positioning mechanism and a jacking mechanism, wherein the positioning mechanism comprises a base, a movable abutting component and a static abutting component, the movable abutting component is telescopically arranged on the base, an elastic component abutting against the movable abutting component is arranged between the movable abutting component and the base, the static abutting component is fixedly arranged on the base, the static abutting component is provided with a guide structure capable of driving arc-extinguishing grating sheet supporting legs to deform during jacking, the jacking mechanism comprises a pressure head in abutting fit with the arc-extinguishing grating sheet and a driving module for driving the pressure head to move towards the direction of the positioning mechanism, and the elastic acting force exerted by the elastic component on the movable abutting component is larger than the acting force required to be exerted when the arc-extinguishing grating sheet is inserted into and tightly fitted with an arc-extinguishing grating sheet slot. The invention can simply and quickly install and position the arc extinguishing grid plate on the arc extinguishing cover.
Description
Technical Field
The invention relates to a mounting device of an arc extinguishing grid piece of a contactor.
Background
The contactor is an electric appliance which utilizes a coil to flow current to generate a magnetic field in industrial electricity to close a contact so as to control a load. The method is applied to electric power, power distribution and power utilization occasions.
The invention discloses an arc extinguishing cover structure in a contactor contact arc extinguishing structure and an arc extinguishing cover (CN 207611722U) which are applied by an applicant at the present day, and the arc extinguishing cover structure comprises a cover shell, wherein three arc extinguishing chambers which are arranged side by side are arranged on the cover shell, arc extinguishing mechanisms are respectively arranged at two ends of the arc extinguishing chambers in the length direction, each arc extinguishing mechanism comprises an arc extinguishing component, each arc extinguishing component can adopt a grid plate structure form, specifically, the arc extinguishing component comprises an arc extinguishing chamber, an arc extinguishing grid plate group is arranged in the arc extinguishing chamber, each arc extinguishing grid plate group comprises a plurality of arc extinguishing grid plates which are arranged at intervals in the length direction Y of the arc extinguishing chamber, arc extinguishing chamber is provided with arc extinguishing grid plate slots, and arc extinguishing grid plates are inserted in the arc extinguishing grid plate slots.
In the above-mentioned patent installation cooperation between arc extinguishing bars piece and the arc extinguishing cover casing need rely on two part structures usually, one is the chucking cooperation that needs the interference when pegging graft between arc extinguishing bars piece both sides fixture block and the arc extinguishing bars piece slot, and it is second when the arc extinguishing bars piece inserts completely in the arc extinguishing bars piece slot, two stabilizer blades of arc extinguishing bars piece bottom still need order about it through the mode of punching press after passing the logical groove of arc extinguishing cover casing bottom and open towards both sides deformation, make two stabilizer blades and arc extinguishing cover casing bottom form the riveting cooperation.
At present, the assembly aiming at the two parts of structures needs to be respectively and independently carried out in sequence, and because the number of the arc extinguishing grid pieces on the arc extinguishing chamber is large, the installation process not only consumes long time, but also needs manpower to participate in the operation and control of the transfer station, the positioning and the stamping equipment.
Disclosure of Invention
The invention provides a mounting device for arc extinguishing grids of a contactor, which can simply and quickly mount and position the arc extinguishing grids on an arc extinguishing cover.
In order to achieve the purpose, the invention provides a mounting device of an arc-extinguishing grid piece of a contactor, which comprises a positioning mechanism matched with an arc-extinguishing cover shell in a positioning mode and a jacking mechanism used for driving the arc-extinguishing grid piece to move towards the direction of the arc-extinguishing cover shell, wherein the positioning mechanism comprises a base, a movable abutting component and a static abutting component, the movable abutting component is telescopically arranged on the base, the movable abutting component is used for being matched with the bottom of the arc-extinguishing cover shell to abut and limit, an elastic component which is abutted on the movable abutting component and keeps the movable abutting component in an extending state is arranged between the movable abutting component and the base, the static abutting component is fixedly arranged on the base, the static abutting component is used for being matched with the bottom of the arc-extinguishing grid piece to abut and limit, the static abutting component is provided with a guide mechanism capable of driving the static abutting component to deform and rivet when the static abutting component is in contact and jacking with supporting legs of the arc-extinguishing grid piece, and the jacking mechanism comprises a pressure head matched with the arc-extinguishing grid piece in an abutting mode, And the driving module is used for driving the driving head to move towards the direction of the positioning mechanism, and the elastic acting force exerted on the movable abutting component by the elastic component is larger than the acting force required to be exerted when the arc extinguishing grid plate and the arc extinguishing grid plate slot are spliced and tightly matched.
Furthermore, the pressing head comprises at least one jacking strip which is distributed at intervals, and a plurality of strip-shaped convex ribs and elongated grooves which are alternately arranged are arranged on the jacking strip.
Further, the driving module is a cylinder, a hydraulic cylinder, an electric push rod or a gas-liquid boosting cylinder.
Further, the base is including the recess that is used for placing the arc chute casing, the recess has the open-top that supplies the pressure head to insert and cooperates spacing fender wall all around with the arc chute casing, quiet pressing component and moving pressing component all set up in the recess.
Further, the recess has a side opening for laterally inserting the arc chute housing into the recess.
Furthermore, the static pressing components are at least two groups, each group of static pressing components comprises a plurality of static pressing components, two adjacent static pressing components in the same group of static pressing components are arranged at intervals, two adjacent groups of static pressing components are arranged at intervals, and the movable pressing components are arranged between the two adjacent groups of static pressing components.
Further, the static pressing component is flat, and the guide mechanism comprises guide inclined planes/curved surfaces positioned on two sides of the top of the static pressing component.
Furthermore, the base comprises a sliding cavity for accommodating the movable abutting member, one end of the movable abutting member, which is in fit connection with the elastic member, and the elastic member are both arranged in the sliding cavity, and a limiting mechanism for preventing the movable abutting member from being separated from the sliding cavity is arranged between the base and the movable abutting member.
The invention has the beneficial effects that: through mutually supporting of roof pressure mechanism and positioning mechanism can realize the rapid Assembly location between arc extinguishing bars piece and the arc extinguishing cover casing to simplify the assembly flow of arc extinguishing bars piece, reduce manual operation, very big improvement assembly efficiency, reduced manufacturing cost.
Drawings
FIG. 1 is a block diagram of an embodiment of the present invention;
FIG. 2 is a block diagram of an indenter according to an embodiment of the present invention;
FIG. 3 is a block diagram of a positioning mechanism according to an embodiment of the present invention;
FIG. 4 is a partial perspective view of a positioning mechanism according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of an embodiment of an arc chute riveting;
figure 6 is an assembly view of an arc chute and arc chute housing according to an embodiment of the present invention.
Detailed Description
An arc extinguishing cover product corresponding to the installation device of the contactor arc extinguishing grid piece is shown in figures 5-6 and comprises an arc extinguishing cover shell 1 and an arc extinguishing grid piece 3, wherein arc extinguishing grid piece inserting grooves 11 which are matched, inserted and clamped with clamping blocks 31 on two sides of the arc extinguishing grid piece 3 are formed in the arc extinguishing cover shell 1, through holes 12 are formed in the bottom of the arc extinguishing cover shell 1 corresponding to the arc extinguishing grid piece 3, when the arc extinguishing cover shell 1 and the arc extinguishing grid piece 3 are tightly inserted, two supporting feet 32 of the arc extinguishing grid piece 3 extend out along the through holes 12, inclined portions 121 which are in riveting fit with the supporting feet 32 are arranged on two sides of the through holes 12, and wavy lines 33 are arranged on the top of the arc extinguishing grid piece 3.
The embodiment of the mounting device of the contactor arc-extinguishing grid plate of the invention is shown in figures 1-4: the arc extinguishing cover comprises a positioning mechanism matched with an arc extinguishing cover shell 1 in a positioning mode and a jacking mechanism used for driving an arc extinguishing grid plate 3 to move towards the arc extinguishing cover shell, wherein the positioning mechanism comprises a base 21, a movable abutting member 22 and a static abutting member 23, the movable abutting member 22 is arranged on the base 21 in a telescopic mode, the movable abutting member 22 is used for being matched, abutted and limited with the bottom of the arc extinguishing cover shell 1, an elastic member 24 which abuts against the movable abutting member 22 and keeps the movable abutting member in an extending state is arranged between the movable abutting member 22 and the base 21, the elastic acting force direction of the elastic member 24, the telescopic direction of the movable abutting member 22 and the driving direction of the jacking mechanism are all on the same straight line, in the embodiment, the elastic member 24 is preferably a spring (as shown in figure 4), the static abutting member 23 is fixedly arranged on the base 21 and can be integrally processed and formed with the base 21, the static pressing component 23 is used for being matched, abutted and limited with the bottom of the arc extinguishing grid piece 3, the static pressing component 23 is provided with a guide mechanism which can drive the static pressing component to bend and deform towards two side directions when contacting and pressing with the two support legs 32 of the arc extinguishing grid piece 3 and is riveted on the two inclined parts 121 at the same time, the jacking mechanism comprises a pressure head 41 which is in butt fit with the top of the arc extinguishing grid plate 3 and a driving module 42 which is used for driving the pressure head 41 to move towards the direction of the positioning mechanism, the driving module is preferably a gas-liquid boosting cylinder, and can also adopt a gas cylinder, a hydraulic cylinder or an electric push rod, the elastic force applied by the elastic member 24 on the movable abutting member 22 is larger than the force required to be applied when the arc-extinguishing bars 3 are inserted into and tightly fitted with the arc-extinguishing bar slots 11, so that the movable abutting member 22 is prevented from being driven to retract when the arc-extinguishing bars 3 are not inserted into and tightly fitted with the arc-extinguishing bar slots 11.
The pressure head 41 comprises three jacking strips 411 distributed at intervals, vacant sites between the adjacent jacking strips 411 are used for forming yielding matching with the top of the arc extinguishing chamber shell 1, interference between the vacant sites and the arc extinguishing chamber shell 1 cannot occur during assembly, a plurality of strip-shaped convex ribs 412 and elongated slots 413 which are arranged alternately are arranged on the jacking strips 411, the strip-shaped convex ribs and the elongated slots can be matched with top grains 33 of the arc extinguishing grid pieces 3, the contact effect with the arc extinguishing grid pieces 3 is improved, the strip-shaped convex ribs and the elongated slots are not prone to shaking, and therefore the accuracy of the assembly process can be improved. Furthermore, each of the pressing bars 411 can be simultaneously in contact with and abutted against a plurality of arc-extinguishing grid pieces 3.
The base 21 includes a groove 211 for placing the arc chute housing 1, the groove 211 has a top opening 212 for inserting the pressure head 41 and three blocking walls 213 for cooperating with three side walls around the arc chute housing 1 for limiting, the static abutting members 23 and the dynamic abutting members 22 are all disposed in the groove 211, in other embodiments, the number of the blocking walls 213 may be four, and the blocking walls can cooperate with four side walls around the arc chute housing 1 for limiting. The use of three blocking walls 213 also makes it possible to form the recess 211 with a lateral opening 214, which can be used to facilitate the lateral insertion of the arc chute housing 1 into the recess 211.
The number of the static pressing components 23 is at least two, in this embodiment, the static pressing components 23 are six, the six static pressing components 23 are arranged in a 2 × 3 rectangular matrix, each static pressing component 23 includes four static pressing components 23, two adjacent static pressing components 23 in the same group of static pressing components 23 are arranged at intervals, a space is reserved at the interval to avoid interference with the arc extinguishing cover shell 1, and the two adjacent groups of static pressing components 23 are arranged at intervals, and the movable pressing component 22 is one and is arranged between the two adjacent groups of static pressing components 23 (as shown in fig. 3), so that the structural design can keep the force application balance among the arc extinguishing cover shell 1, the plurality of arc extinguishing grid pieces 3, the static pressing components 23 and the movable pressing components 22 in the pressing process, and the assembly accuracy and the assembly effect are improved.
The static pressing component 23 is flat, and can be conveniently inserted into the arc extinguishing cover shell 1 upwards along the through hole 12, the guide mechanism comprises guide inclined planes 231 located on two sides of the top of the static pressing component 23, and can also be set to be a curved surface according to riveting requirements in other embodiments, and when the guide mechanism is in contact with the two support legs 32 of the arc extinguishing grid piece 3, the two support legs 32 can be driven to deform and bend towards two sides by utilizing component force of a contact surface.
The base 21 comprises a sliding cavity 215 for accommodating the movable pressing member 22, one end of the movable pressing member 22, which is in fit abutment with the elastic member 24, and the elastic member 24 are both arranged in the sliding cavity 215, the movable pressing member 22 and the sliding cavity 215 form a guiding sliding fit, a limiting mechanism for preventing the movable pressing component 22 from being driven out of the sliding cavity 215 under the action of the elastic component 24 is arranged between the base 21 and the movable pressing component 22, the limiting mechanism comprises a flange 51 surrounding the periphery of the bottom of the movable pressing component 22 and an inner edge 52 arranged at the upper part of the sliding cavity 215, the bottom of the sliding cavity 215 and the bottom of the movable abutting member 22 are provided with positioning grooves which are inserted into the two ends of the elastic member 24 for positioning and matching, so that the stability of the direction of the elastic acting force of the elastic member 24 can be ensured during work, and the elastic member 24 is not easy to distort and damage.
The working process of the invention is as follows: when the arc extinguishing enclosure shell 1 is used, the arc extinguishing grid pieces 3 are firstly and preliminarily inserted into the arc extinguishing grid piece inserting slots 11 of the arc extinguishing enclosure shell 1 to realize preliminary positioning, the arc extinguishing enclosure shell 1 is positioned by placing the arc extinguishing enclosure shell 1 into the groove 211, at the moment, the sliding displacement of the arc extinguishing enclosure shell 1 can be prevented due to the matching of the movable abutting component 22 and the static abutting component 23 in the groove 211 and the bottom of the arc extinguishing enclosure shell 1, then the jacking mechanism is operated to start working, the jacking mechanism driving head 41 moves downwards and abuts against the tops of the arc extinguishing grid pieces 3, the arc extinguishing grid pieces 3 move towards the inserting direction of the arc extinguishing enclosure shell 1, in the process, the elastic acting force exerted on the movable abutting component 22 by the elastic component 24 is larger than the acting force required to be exerted when the arc extinguishing grid pieces 3 are inserted into the arc extinguishing grid piece inserting slots 11 and are in clamping matching, and the movable abutting component 22 can keep a relatively static state when the jacking mechanism is inserted into the arc extinguishing grid pieces 3 and the arc extinguishing grid piece inserting slots 11 and in clamping matching Therefore, enough supporting force can be provided for the arc-extinguishing chamber shell 1, the arc-extinguishing grid pieces 3 and the arc-extinguishing grid piece inserting grooves 11 can be further inserted and clamped and matched, when the two are inserted and clamped, the acting force applied between the arc-extinguishing grid piece 3 and the arc-extinguishing grid piece slot 11 is continuously increased, and overcomes the elastic force applied by the elastic member 24 on the movable pressing member 22, at this time, the movable pressing member 22 is driven to retract downwards under the influence of the elastic force, so that the arc extinguishing cover shell 1 moves towards the base 21, meanwhile, the acting force between the static pressing component 23 and the arc-extinguishing grid pieces 3 is increased, and the guide mechanism of the static pressing component 23 is utilized to drive the support legs 32 of the arc-extinguishing grid pieces 3 to deform and rivet the support legs on the arc-extinguishing cover shell 1 (namely, the support legs are riveted on the inclined parts 121 on two sides of the through hole 12), so that the arc-extinguishing grid pieces 3 can be simply and quickly installed and positioned on the arc-extinguishing cover 1. The scheme of the invention can finish the installation between the plurality of arc-extinguishing grid pieces 3 and the arc-extinguishing cover 1 by only one step, can simplify the assembly process of the arc-extinguishing grid pieces 3, reduces manual operation, greatly improves the assembly efficiency and reduces the production cost.
In order to further improve the assembly efficiency, a plurality of arc chute housings 1 can be simultaneously placed in the groove 211, the pressure head 41, the static abutting member 23 and the dynamic abutting member 22 can be correspondingly designed in an expanding manner, and the rapid installation between a plurality of groups of arc chute housings 1 and arc chute pieces 3 can be realized, so that the assembly efficiency is greatly improved.
The above embodiment is only one of the preferred specific embodiments of the present invention, and general changes and substitutions by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a mounting device of contactor arc extinguishing bars piece which characterized in that: the arc extinguishing device comprises a positioning mechanism matched with an arc extinguishing cover shell in a positioning mode and a jacking mechanism used for driving arc extinguishing grid plates to move towards the direction of the arc extinguishing cover shell, wherein the positioning mechanism comprises a base, a movable abutting component and a static abutting component, the movable abutting component is arranged on the base in a telescopic mode and used for being matched with the bottom of the arc extinguishing cover shell in an abutting mode for limiting, an elastic component which is abutted to the movable abutting component and enables the movable abutting component to be kept in an extending state is arranged between the movable abutting component and the base, the static abutting component is fixedly arranged on the base and used for being matched with the bottom of the arc extinguishing grid plates in an abutting mode for limiting, the static abutting component is provided with a guide mechanism capable of driving the static abutting component to deform and rivet when the static abutting component is in contact with supporting legs of the arc extinguishing grid plates in an abutting mode, the jacking mechanism comprises a pressure head matched with the arc extinguishing grid plates in an abutting mode and a driving module used for driving the pressure head to move towards the direction of the positioning mechanism, the elastic force applied by the elastic component on the movable abutting component is larger than the force required to be applied when the arc extinguishing grid plate is inserted into the arc extinguishing grid plate insertion groove and is in clamping fit with the arc extinguishing grid plate insertion groove.
2. The mounting device of the contactor arc chute plate as claimed in claim 1, wherein: the pressing head comprises at least one jacking strip which is distributed at intervals, and a plurality of strip-shaped convex ribs and elongated slots which are alternately arranged are arranged on the jacking strip.
3. The mounting device of the contactor arc chute plate as claimed in claim 1, wherein: the driving module is a cylinder, a hydraulic cylinder, an electric push rod or a gas-liquid boosting cylinder.
4. The mounting device of the contactor arc chute plate as claimed in claim 1, wherein: the base is including the recess that is used for placing the arc extinguishing cover casing, the recess has the open-top that supplies the pressure head to insert and cooperates spacing fender wall all around with the arc extinguishing cover casing, quiet pressing component and moving are supported and are pressed the component and all set up in the recess.
5. The mounting device of the contactor arc chute plate as claimed in claim 4, wherein: the recess also has a side opening for laterally inserting the arc chute housing into the recess.
6. The mounting device of the contactor arc chute plate as claimed in claim 1, wherein: the static pressing components are at least two groups, each group of static pressing components comprises a plurality of static pressing components, two adjacent static pressing components in the same group of static pressing components are arranged at intervals, two adjacent groups of static pressing components are arranged at intervals, and the movable pressing components are arranged between the two adjacent groups of static pressing components.
7. The mounting device of the contactor arc chute plate as claimed in claim 1, wherein: the static abutting component is flat, and the guide mechanism comprises guide inclined planes/curved surfaces positioned on two sides of the top of the static abutting component.
8. The mounting device of the contactor arc chute plate as claimed in claim 1, wherein: the base comprises a sliding cavity for accommodating the movable abutting member, one end of the movable abutting member, which is in fit connection with the elastic member, and the elastic member are arranged in the sliding cavity, and a limiting mechanism for preventing the movable abutting member from being separated from the sliding cavity is arranged between the base and the movable abutting member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110472745.8A CN113270295B (en) | 2021-04-29 | 2021-04-29 | Mounting device for arc extinguishing grid piece of contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110472745.8A CN113270295B (en) | 2021-04-29 | 2021-04-29 | Mounting device for arc extinguishing grid piece of contactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113270295A true CN113270295A (en) | 2021-08-17 |
| CN113270295B CN113270295B (en) | 2022-06-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110472745.8A Active CN113270295B (en) | 2021-04-29 | 2021-04-29 | Mounting device for arc extinguishing grid piece of contactor |
Country Status (1)
| Country | Link |
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| CN (1) | CN113270295B (en) |
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| CN202058656U (en) * | 2011-04-01 | 2011-11-30 | 陈建俊 | Riveting device for arc-extinguishing cover automatic assembling machine |
| US20130012037A1 (en) * | 2010-03-25 | 2013-01-10 | Panasonic Corporation | Contact device |
| CN204155798U (en) * | 2014-10-08 | 2015-02-11 | 浙江欧迪森电气有限公司 | Arc extinguishing grid device is easily installed |
| CN104362042A (en) * | 2014-11-07 | 2015-02-18 | 浙江正泰电器股份有限公司 | Contactor |
| CN205147756U (en) * | 2015-11-10 | 2016-04-13 | 无锡新宏泰电器科技股份有限公司 | Automatic pressure equipment device of arc extinguishing bars piece |
| CN205452096U (en) * | 2016-04-13 | 2016-08-10 | 德力西集团有限公司 | Arc extinguishing bars piece |
| CN106783447A (en) * | 2017-03-22 | 2017-05-31 | 德力西电气有限公司 | A kind of circuit breaker forced extinguisher |
| CN208507491U (en) * | 2017-11-28 | 2019-02-15 | 博时达集团有限公司 | Contact base with arc-extinguish chamber |
| CN209766283U (en) * | 2019-05-15 | 2019-12-10 | 福建渃博特自动化设备有限公司 | Arc-extinguishing grid assembling equipment |
| CN212848220U (en) * | 2020-09-16 | 2021-03-30 | 乐清市维泰电器有限公司 | AC contactor with arc extinguishing piece quick mounting structure |
| CN112599373A (en) * | 2020-12-24 | 2021-04-02 | 浙江天正电气股份有限公司 | Arc extinguishing system and contactor |
-
2021
- 2021-04-29 CN CN202110472745.8A patent/CN113270295B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130012037A1 (en) * | 2010-03-25 | 2013-01-10 | Panasonic Corporation | Contact device |
| CN202058656U (en) * | 2011-04-01 | 2011-11-30 | 陈建俊 | Riveting device for arc-extinguishing cover automatic assembling machine |
| CN204155798U (en) * | 2014-10-08 | 2015-02-11 | 浙江欧迪森电气有限公司 | Arc extinguishing grid device is easily installed |
| CN104362042A (en) * | 2014-11-07 | 2015-02-18 | 浙江正泰电器股份有限公司 | Contactor |
| CN205147756U (en) * | 2015-11-10 | 2016-04-13 | 无锡新宏泰电器科技股份有限公司 | Automatic pressure equipment device of arc extinguishing bars piece |
| CN205452096U (en) * | 2016-04-13 | 2016-08-10 | 德力西集团有限公司 | Arc extinguishing bars piece |
| CN106783447A (en) * | 2017-03-22 | 2017-05-31 | 德力西电气有限公司 | A kind of circuit breaker forced extinguisher |
| CN208507491U (en) * | 2017-11-28 | 2019-02-15 | 博时达集团有限公司 | Contact base with arc-extinguish chamber |
| CN209766283U (en) * | 2019-05-15 | 2019-12-10 | 福建渃博特自动化设备有限公司 | Arc-extinguishing grid assembling equipment |
| CN212848220U (en) * | 2020-09-16 | 2021-03-30 | 乐清市维泰电器有限公司 | AC contactor with arc extinguishing piece quick mounting structure |
| CN112599373A (en) * | 2020-12-24 | 2021-04-02 | 浙江天正电气股份有限公司 | Arc extinguishing system and contactor |
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| Publication number | Publication date |
|---|---|
| CN113270295B (en) | 2022-06-28 |
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