CN205452211U - Withdrawable circuit -breaker - Google Patents
Withdrawable circuit -breaker Download PDFInfo
- Publication number
- CN205452211U CN205452211U CN201620228397.4U CN201620228397U CN205452211U CN 205452211 U CN205452211 U CN 205452211U CN 201620228397 U CN201620228397 U CN 201620228397U CN 205452211 U CN205452211 U CN 205452211U
- Authority
- CN
- China
- Prior art keywords
- contact
- pedestal
- moving contact
- upper cover
- static contact
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a withdrawable circuit -breaker, it includes the frame body, sets up in this internal moving contact subassembly of frame, the frame body includes base and upper cover, the base with the upper cover constitutes the holding chamber of holding moving contact subassembly, the moving contact subassembly includes the contact frame, sets up a plurality of moving contacts in the contact frame, the moving contact has connected gradually metal soft connecting piece and lower generating line, the fixed static contact that is provided with of base, the static contact is provided with the fastener that is used for strengthening the fastening static contact, lower generating line and base fixed connection, the contact frame is articulated with the base, the moving contact passes through contact frame rotate with the static contact butt, the contact sets up puts the boosting piece that is used for improving moving contact and static contact separating rate. The utility model aims at providing a withdrawable circuit -breaker, the utility model has the advantages of compact structure, reliable and stable, the arc extinguishing is effectual.
Description
Technical field
This utility model relates to metallic conduction part field, particularly to the moving contact in frame-type circuit breaker.
Background technology
Contact assembly is requisite parts in chopper, plays the electric current under the conditions of connection, carrying and disjunction normal circuit, also can connect under the improper circuit condition of regulation.
At present, disclose the contact system of a kind of frame-type circuit breaker of Chinese patent of Application No. CN201520722077.X on the market, it includes frame body, the contact assembly being arranged in frame body, frame body includes pedestal and upper cover, upper cover is arranged on pedestal, constitute between pedestal and upper cover and have containing cavity, contact assembly includes static contact, contact rack, the rotating shaft being arranged in contact rack, the multiple moving contacts being arranged in rotating shaft at corresponding static contact, the Contact Cover being arranged on contact supporting at the lower section of the movable contact of corresponding moving contact, it is installed on the contact support of contact supporting upper end, it is provided with spring between described moving contact and contact support, the two ends of spring abut with moving contact and contact support respectively, it is respectively adopted between moving contact and the fixed part of Down Highway and is flexible coupling.
But this patent is disadvantageous in that speed is exceedingly fast owing to moving contact sensitivity when divide-shut brake duty switches is higher, transient motion produces the biggest electric arc, easily causes purpose of breaker failure, additionally, dynamic contact mechanism breaking speed is slower.
Utility model content
The purpose of this utility model is to provide a kind of open frame circuit breaker.
This utility model has compact conformation, reliable and stable advantage, and arc quenching effect is good.
Above-mentioned technical purpose of the present utility model has the technical scheme that
A kind of open frame circuit breaker, it includes frame body, the moving contact component being arranged in frame body, described frame body includes pedestal and upper cover, described pedestal and described upper cover constitute the containing cavity of accommodating moving contact component, described moving contact component includes contact rack, the some moving contacts being arranged in contact rack, described moving contact is connected with metal soft connector and Down Highway in turn, described pedestal is fixedly installed static contact, described static contact is provided with the securing member for strengthening fastening static contact, described Down Highway is fixing with pedestal to be connected, described contact rack is hinged with pedestal, described moving contact is rotated by described contact rack and abuts with described static contact, described contact rack is provided with the propelling piece for improving moving contact and static contact separating rate.
By using technique scheme: the setting of propelling piece can accelerate the separating rate of moving contact and static contact, when moving contact to static contact motion until during Di Jieing, the active force of propelling piece savings is also increasing, until moving contact abuts with static contact, this active force to peaking, there is certain potential energy, thus reach the effect of moving contact and static contact sharp separation, more it is securely arranged on pedestal additionally, the setting of securing member enables to static contact, it is not easy to produce and loosen.
This utility model is further arranged to: described pedestal and/or upper cover are provided with fixing groove and groove, described groove is connected with the conducting of fixing groove, described static contact is plugged in fixing groove, described static contact is provided with screwed hole, described securing member includes that bolt, the screw portion of described bolt run through described groove and threaded with described screwed hole.
By using technique scheme: the screw portion of bolt runs through groove and threadeds with the screwed hole on static contact, regulate static contact particular location on pedestal by controlling the axial coverage of bolt.
This utility model is further arranged to: described pedestal and/or upper cover are provided with slippage slot, the two ends of described groove turn on described fixing groove and described slippage slot respectively and are connected, described securing member includes compressing sheet, and described compression sheet is positioned at described slippage slot, opposite side and described upper cover grafting.
By using technique scheme: the setting of slippage slot can play effective position-limiting action to compressing sheet, and provides an accommodating space can to compression sheet.
This utility model is further arranged to: be provided with elastic washer between described bolt and compression sheet.
By using technique scheme: the setting of elastic washer enables to bolt and preferably fixes static contact, when bolt more tightens screwed hole, elastic washer plays that to strut the active force of bolt and static contact the biggest.
This utility model is further arranged to: described pedestal is provided with fixing lug boss, described contact rack is provided with articulated section, described fixing lug boss is connected with articulated section, described propelling piece is arranged between described moving contact and described static contact, and face with described moving contact and described static contact place respectively, two ends abuts, described propelling piece uses elastic pressuring plate.
By using technique scheme: fixing lug boss coordinates so that contact rack is movably connected on pedestal with articulated section, propelling piece use torsion spring both make to install simple and convenient, time saving and energy saving, the work efficiency of assembling is greatly promoted, one end of propelling piece abuts with moving contact, the other end abuts with the inwall of the pedestal at static contact place, enable to propelling piece and there is the active force strutting static contact and moving contact, hence in so that moving contact is more quickly and effectively away from static contact during disjunction so that breaking speed is promoted.
This utility model is further arranged to: described pedestal and/or upper cover are provided with grip part.
By using technique scheme: owing to its volume of the frame body in open frame circuit breaker is bigger, heavier-weight, inconvenient operator take handling, and therefore the setting of grip part makes the operator can be convenient taking frame body when, it is simple to exert a force.
This utility model is further arranged to: described grip part is that strip groove is arranged.
By using technique scheme: grip part is arranged to groove simpler, convenient, fast.
This utility model is further arranged to: described moving contact is provided with spring towards the one side of described contact rack, the side of the most described spring of described moving contact is provided with silver contact, described moving contact is provided with arc extinction part, described arc extinction part includes arc extinguishing face, described arc extinguishing face is arranged with described silver contact homonymy, described arc extinguishing is provided with striking catch facing to described silver contact, and described striking catch is connected to described arc extinguishing face, and arranges with the bending of described arc extinguishing face.
By using technique scheme: the electric arc that moving contact produces when action can be played inhibitory action by the setting of arc extinction part, striking catch is between arc extinguishing face and silver contact, owing to arranging in bending with arc extinguishing face, therefore the electric arc produced during silver contact switching action is served guiding function, and electric arc serves the effect of stop, and the generation of arc phenomenon is climbed in suppression.
This utility model is further arranged to: described pedestal is provided with connector, and described pedestal is connected by described connector with described upper cover.
By using technique scheme: the setting of connector makes pedestal be connected with upper cover more closely, firmly.
This utility model is further arranged to: described connector includes axle sleeve and inserts, and in described pedestal or upper cover, any one is fixing with axle sleeve is connected, and in described pedestal or upper cover, any one is fixing with inserts is connected.
By using technique scheme: the axle sleeve end face different from inserts can give full play to the feature that geometric figure is structure so that upper cover and pedestal connection effect are strengthened further.
In sum, this utility model has the advantages that the setting of propelling piece can accelerate the separating rate of moving contact and static contact, when moving contact to static contact motion until during Di Jieing, the active force of propelling piece savings is also increasing, until moving contact abuts with static contact, this active force, to peaking, has certain potential energy, thus reaches the effect of moving contact and static contact sharp separation；
More it is securely arranged on pedestal additionally, the setting of securing member enables to static contact, it is not easy to produce and loosen.The screw portion of bolt runs through groove and threadeds with the screwed hole on static contact, regulates static contact particular location on pedestal by controlling the axial coverage of bolt.The setting of slippage slot can play effective position-limiting action to compressing sheet, and provides an accommodating space can to compression sheet.The setting of elastic washer enables to bolt and preferably fixes static contact, and when bolt more tightens screwed hole, elastic washer plays that to strut the active force of bolt and static contact the biggest.Fixing lug boss coordinates so that contact rack is movably connected on pedestal with articulated section, grip part is arranged to groove simpler, convenient, fast.The electric arc that moving contact produces when action can be played inhibitory action by the setting of arc extinction part, striking catch is between arc extinguishing face and silver contact, owing to arranging in bending with arc extinguishing face, therefore the electric arc produced during silver contact switching action is served guiding function, and electric arc serves the effect of stop, and the generation of arc phenomenon is climbed in suppression.The setting of connector makes pedestal be connected with upper cover more closely, firmly.The axle sleeve end face different from inserts can give full play to the feature that geometric figure is structure so that upper cover and pedestal connect effect and strengthen further.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment 1；
Fig. 2 is the A portion enlarged drawing of Fig. 1；
Fig. 3 is the structural representation of moving contact component；
Fig. 4 is the B portion enlarged drawing of Fig. 3；
Fig. 5 is the structural representation of embodiment 2.
In figure, 1, contact rack；11, sidewall；2, moving contact；21, silver contact；3, spring；4, Down Highway；41, fixing port；5, metal soft connector；6, arc extinction part；61, arc extinguishing face；62, stationary plane；7, fixing axle；71, fixed part；72, sticking department；721, latch recess；722, chamfered section；73, locking piece；731, inner side；732, clamping salient point；8, striking catch；81, folding line；9, metal reinforced part；10, frame body；101, pedestal；102, upper cover；103, grip part；104, static contact；1042, elastic washer；105, propelling piece；106, connector；1061, axle sleeve；1062, inserts；107, securing member；1071, sheet is compressed；1072, bolt；108, fixing groove；1081, slippage slot；1082, groove；1098, fixing lug boss；1099, articulated section.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail.
This specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; the present embodiment can be made after reading this specification by those skilled in the art as required does not has the amendment of creative contribution, but as long as all being protected by Patent Law in right of the present utility model.
Embodiment 1:
nullAs depicted in figs. 1 and 2，A kind of open frame circuit breaker，It includes frame body 10、Moving contact 2 assembly being arranged in frame body 10，Described frame body 10 includes pedestal 101 and upper cover 102，Described pedestal 101 and described upper cover 102 constitute the containing cavity of accommodating moving contact 2 assembly，Described moving contact 2 assembly includes contact rack 1、The some moving contacts 2 being arranged in contact rack 1，Described moving contact 2 is connected with metal soft connector 5 and Down Highway 4 in turn，Described pedestal 101 is fixedly installed static contact 104，Described static contact 104 is provided with the securing member 107 for strengthening fastening static contact 104，Described Down Highway 4 is fixing with pedestal 101 to be connected，Described contact rack 1 is hinged with pedestal 101，Described moving contact 2 is rotated by described contact rack 1 and abuts with described static contact 104，Described contact rack 1 is provided with the propelling piece 105 for improving moving contact 2 and static contact 104 separating rate.Described pedestal 101 is connected by connector 106 with described upper cover 102.Described connector 106 includes that axle sleeve 1061 and inserts 1062, described axle sleeve 1061 are fixed be connected with pedestal 101 or upper cover 102, and described inserts 1062 is fixed be connected with pedestal 101 or upper cover 102.The setting of connector 106 makes pedestal 101 be connected with upper cover 102 more closely, firmly.Axle sleeve 1061 end face different from inserts 1062 can give full play to the feature that geometric figure is structure so that upper cover 102 and pedestal 101 connect effect and strengthen further.Described pedestal 101 is provided with fixing lug boss 1098, and described contact rack 1 is provided with articulated section 1099, and described fixing lug boss 1098 is connected with articulated section 1099.
Described propelling piece 105 uses elastic pressuring plate, one end of propelling piece 105 abuts with moving contact 2, the other end abuts with the inwall of the pedestal 101 at static contact 104 place, enable to propelling piece 105 have and strut static contact 104 and the active force of moving contact 2, hence in so that moving contact 2 is more quickly and effectively away from static contact 104 during disjunction so that breaking speed is promoted.Described pedestal 101 and upper cover 102 are provided with grip part 103.Described grip part 103 is arranged in strip groove.
The most as shown in Figure 2, described pedestal 101 and upper cover 102 are provided with fixing groove 108 and groove 1082, described groove 1082 is connected with the conducting of fixing groove 108, described static contact 104 is plugged in fixing groove 108, described static contact 104 is provided with screwed hole, described securing member 107 includes that bolt 1072, the screw portion of described bolt 1072 run through described groove 1082 and threaded with described screwed hole.Described pedestal 101 and upper cover 102 are provided with slippage slot 1081, the two ends of described groove 1082 turn on described fixing groove 108 and described slippage slot 1081 respectively and are connected, described securing member 107 includes compressing sheet 1071, and described compression sheet 1071 is positioned at described slippage slot 1081.It is provided with elastic washer 1042 between described bolt 1072 and static contact 104.The setting of elastic washer 1042 enables to bolt 1072 and preferably fixes static contact 104, and when bolt 1072 more tightens screwed hole, elastic washer 1042 plays that to strut the active force of bolt 1072 and static contact 104 the biggest.
As shown in Figure 3 and Figure 4, described moving contact 2 is provided with spring 3 towards the one side of described contact rack 1, the side of the described the most described spring of moving contact 23 is provided with silver contact 21, described moving contact 2 is provided with arc extinction part 6, described arc extinction part 6 includes that arc extinguishing face 61, described arc extinguishing face 61 are arranged with described silver contact 21 homonymy, and described arc extinguishing face 61 is provided with striking catch 8 towards described silver contact 21, described striking catch 8 is connected to described arc extinguishing face 61, and arranges with the bending of described arc extinguishing face 61.Described pedestal 101 is provided with connector 106, and described pedestal 101 is connected by described connector 106 with described upper cover 102.Described connector 106 includes axle sleeve 1061 and inserts 1062, and in described pedestal 101 or upper cover 102, any one is fixing with axle sleeve 1061 is connected, and in described pedestal 101 or upper cover 102, any one is fixing with inserts 1062 is connected.
Embodiment 2:
As it is shown in figure 5, be to be not provided with connector 106 and elastic washer 1042 with the difference of embodiment 1.
In sum, the setting of propelling piece 105 can accelerate the separating rate of moving contact 2 and static contact 104, when moving contact 2 is during static contact 104 moves until abutting, the active force of propelling piece 105 savings is also increasing, until moving contact 2 abuts with static contact 104, this active force is to peaking, there is certain potential energy, thus reach the effect of moving contact 2 and static contact 104 sharp separation, in addition, the setting of securing member 107 enables to static contact 104 and is more securely arranged on pedestal 101, it is not easy to produces and loosens.The screw portion of bolt 1072 runs through groove 1082 and threadeds with the screwed hole on static contact 104, regulates the static contact 104 particular location on pedestal 101 by controlling the axial coverage of bolt 1072.The setting of slippage slot 1081 can play effective position-limiting action to compressing sheet 1071, and provides an accommodating space can to compression sheet 1071.The setting of elastic washer 1042 enables to bolt 1072 and preferably fixes static contact 104, and when bolt 1072 more tightens screwed hole, elastic washer 1042 plays that to strut the active force of bolt 1072 and static contact 104 the biggest.
Cooperation arc extinction part 6 own material properties that arranges of folding line 81 enables to striking catch 8 and has the good effect that automatically resets.Arc extinction part 6 and moving contact 2 are coaxially fixed, and it is firm more to stablize, meanwhile, the most convenient when assembly and disassembly.Moving contact 2 is fixed on contact rack 1 with coordinating of fixing axle 7 by sidewall 11, assemble simple and convenient fast, time saving and energy saving, and fixed effect stablize firm.Setting the structure that contact rack 1 and moving contact 2 entirety are constituted can be played good reinforcement effect.The both sides of moving contact 2 can abut with both sides sidewall 11 respectively, and sidewall 11 can be played the effect of clamping moving contact 2 by this.Locking piece 73 and latch recess 721 can lock the axial length of fixing axle 7.Clamping salient point 732 and the snap-fit engagement of latch recess 721 produce axial spacing so that moving contact 2 is securely fastened on the sidewall 11 of contact rack 1.The setting of fixed groove and reinforcing male member makes spring 3 have dual fixing guarantee at moving contact 2 and contact rack 1, the outer surface at spring 3 two ends and fixed groove clamping, reinforce male member and insert spring 3, fixation is played at the center of spring 3, so can be greatly improved moving contact 2 when divide-shut brake duty switches, be greatly improved the stability of spring 3.The setting of chamfered section 722 enables to operator and is more prone to fixing axle 7 through through hole.
The structure that contact rack 1 and moving contact 2 entirety are constituted can be played good reinforcement effect by the setting of metal reinforced part 9.The both sides of moving contact 2 can abut with both sides sidewall 11 respectively, and sidewall 11 can be played the effect of clamping moving contact 2 by this.Locking piece 73 and latch recess 721 can lock the axial length of fixing axle 7.Clamping salient point 732 and the snap-fit engagement of latch recess 721 produce axial spacing so that moving contact 2 is securely fastened on the sidewall 11 of contact rack 1.The setting of fixed groove and reinforcing male member makes spring 3 have dual fixing guarantee at moving contact 2 and contact rack 1, the outer surface at spring 3 two ends and fixed groove clamping, reinforce male member and insert spring 3, fixation is played at the center of spring 3, so can be greatly improved moving contact 2 when divide-shut brake duty switches, be greatly improved the stability of spring 3.The setting of chamfered section 722 enables to operator and is more prone to fixing axle 7 through through hole.Chamfered section 722 more convenient installation is set.
Claims (10)
- null1. an open frame circuit breaker，It includes frame body (10)、Moving contact (2) assembly being arranged in frame body (10)，Described frame body (10) includes pedestal (101) and upper cover (102)，Described pedestal (101) and described upper cover (102) constitute the containing cavity of accommodating moving contact (2) assembly，Described moving contact (2) assembly includes contact rack (1)、The some moving contacts (2) being arranged in contact rack (1)，It is characterized in that: described moving contact (2) is connected with metal soft connector (5) and Down Highway (4) in turn，Described pedestal (101) is fixedly installed static contact (104)，Described static contact (104) is provided with the securing member (107) for strengthening fastening static contact (104)，Described Down Highway (4) is fixing with pedestal (101) to be connected，Described contact rack (1) is hinged with pedestal (101)，Described moving contact (2) is rotated by described contact rack (1) and abuts with described static contact (104)，Described contact rack (1) is provided with the propelling piece (105) for improving moving contact (2) and static contact (104) separating rate.
- A kind of open frame circuit breaker the most according to claim 1, it is characterized in that: described pedestal (101) and/or upper cover (102) are provided with fixing groove (108) and groove (1082), described groove (1082) is connected with fixing groove (108) conducting, described static contact (104) is plugged in fixing groove (108), described static contact (104) is provided with screwed hole, described securing member (107) includes bolt (1072), the screw portion of described bolt (1072) runs through described groove (1082) threadeds with described screwed hole.
- A kind of open frame circuit breaker the most according to claim 2, it is characterized in that: described pedestal (101) and/or upper cover (102) are provided with slippage slot (1081), the two ends of described groove (1082) turn on described fixing groove (108) and described slippage slot (1081) respectively and are connected, described securing member (107) includes compressing sheet (1071), described compression sheet (1071) is positioned at described slippage slot (1081), opposite side and described upper cover (102) grafting.
- A kind of open frame circuit breaker the most according to claim 3, it is characterised in that: it is provided with elastic washer (1042) between described bolt (1072) and static contact (104).
- A kind of open frame circuit breaker the most according to claim 4, it is characterized in that: described pedestal (101) is provided with fixing lug boss (1098), described contact rack (1) is provided with articulated section (1099), described fixing lug boss (1098) is connected with articulated section (1099), described propelling piece (105) is arranged between described moving contact (2) and described static contact (104), and face with described moving contact (2) and described static contact (104) place respectively, two ends abuts, described propelling piece (105) uses elastic pressuring plate.
- A kind of open frame circuit breaker the most according to claim 5, it is characterised in that: described pedestal (101) and/or upper cover (102) are provided with grip part (103).
- A kind of open frame circuit breaker the most according to claim 6, it is characterised in that: described grip part (103) are arranged in strip groove.
- A kind of open frame circuit breaker the most according to claim 7, it is characterized in that: described moving contact (2) is provided with spring (3) towards the one side of described contact rack (1), the side of described moving contact (2) the most described spring (3) is provided with silver contact (21), described moving contact (2) is provided with arc extinction part (6), described arc extinction part (6) includes arc extinguishing face (61), described arc extinguishing face (61) is arranged with described silver contact (21) homonymy, described arc extinguishing face (61) is provided with striking catch (8) towards described silver contact (21), described striking catch (8) is connected to described arc extinguishing face (61), and arrange with the bending of described arc extinguishing face (61).
- A kind of open frame circuit breaker the most according to claim 1 and 2, it is characterized in that: described pedestal (101) is provided with connector (106), described pedestal (101) is connected by described connector (106) with described upper cover (102).
- A kind of open frame circuit breaker the most according to claim 9, it is characterized in that: described connector (106) includes axle sleeve (1061) and inserts (1062), in described pedestal (101) or upper cover (102), any one is fixing with axle sleeve (1061) is connected, and in described pedestal (101) or upper cover (102), any one is fixing with inserts (1062) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620228397.4U CN205452211U (en) | 2016-03-23 | 2016-03-23 | Withdrawable circuit -breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620228397.4U CN205452211U (en) | 2016-03-23 | 2016-03-23 | Withdrawable circuit -breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205452211U true CN205452211U (en) | 2016-08-10 |
Family
ID=56574939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620228397.4U Expired - Fee Related CN205452211U (en) | 2016-03-23 | 2016-03-23 | Withdrawable circuit -breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205452211U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112790518A (en) * | 2021-01-21 | 2021-05-14 | 河北科技师范学院 | Design frame bearing structure with adjustable garden design is used |
-
2016
- 2016-03-23 CN CN201620228397.4U patent/CN205452211U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112790518A (en) * | 2021-01-21 | 2021-05-14 | 河北科技师范学院 | Design frame bearing structure with adjustable garden design is used |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205452211U (en) | Withdrawable circuit -breaker | |
| US20100264008A1 (en) | Standby power cut-off switch | |
| CN205723363U (en) | Open frame circuit breaker | |
| WO2023093308A1 (en) | Ground-powered electric vehicle and shoegear | |
| CN207637857U (en) | Cell apparatus and electronic cigarette | |
| CN205582861U (en) | Moving contact mechanism for withdrawable circuit -breaker | |
| CN109755046A (en) | The contact system of static contact and automatic change-over | |
| CN112436328B (en) | Connector assembly with quick-disassembly clamping structure | |
| CN205488003U (en) | Moving contact mechanism | |
| CN205581180U (en) | Connector for electric energy meter | |
| CN205230893U (en) | Long button of arc | |
| CN209526012U (en) | The contact system of static contact and automatic change-over | |
| CN216980488U (en) | Current-limiting fuse for switch cabinet | |
| CN201252038Y (en) | Arc-extinguishing load switch | |
| CN219575420U (en) | Silver contact moving contact for spaceflight temperature control | |
| CN205428860U (en) | Moving contact component | |
| CN112086303A (en) | Small-size isolator | |
| CN201285731Y (en) | Modular vacuum contactor | |
| CN214153718U (en) | Put cabinet body in dampproofing of high-efficient heat dissipation | |
| CN214842755U (en) | Toy gun convenient to dismouting | |
| CN209626112U (en) | A kind of disconnecting switch | |
| CN213459627U (en) | Fuse cylinder of solid cabinet | |
| CN205582860U (en) | Moving contact module | |
| CN215815636U (en) | Switch and contact in switch cabinet | |
| CN211210202U (en) | Remote Internet of things monitoring device of dynamic reactive power compensation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 Termination date: 20180323 |