CN110517928A - A kind of novel vacuum circuit breaker insulating sheath - Google Patents

A kind of novel vacuum circuit breaker insulating sheath Download PDF

Info

Publication number
CN110517928A
CN110517928A CN201910632353.6A CN201910632353A CN110517928A CN 110517928 A CN110517928 A CN 110517928A CN 201910632353 A CN201910632353 A CN 201910632353A CN 110517928 A CN110517928 A CN 110517928A
Authority
CN
China
Prior art keywords
insulating sheath
rear end
sheath
shell
circuit breaker
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.)
Granted
Application number
CN201910632353.6A
Other languages
Chinese (zh)
Other versions
CN110517928B (en
Inventor
戴文忠
戴章
戴超
戴玉
吴钰娟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui yifala Electric Co.,Ltd.
Original Assignee
Anhui Yifala Electrical Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Anhui Yifala Electrical Co Ltd filed Critical Anhui Yifala Electrical Co Ltd
Priority to CN201910632353.6A priority Critical patent/CN110517928B/en
Publication of CN110517928A publication Critical patent/CN110517928A/en
Application granted granted Critical
Publication of CN110517928B publication Critical patent/CN110517928B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66Vacuum switches
    • H01H33/662Housings or protective screens
    • H01H33/66207Specific housing details, e.g. sealing, soldering or brazing
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66Vacuum switches
    • H01H33/662Housings or protective screens
    • H01H33/66261Specific screen details, e.g. mounting, materials, multiple screens or specific electrical field considerations
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66Vacuum switches
    • H01H33/662Housings or protective screens
    • H01H33/66207Specific housing details, e.g. sealing, soldering or brazing
    • H01H2033/66223Details relating to the sealing of vacuum switch housings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66Vacuum switches
    • H01H33/662Housings or protective screens
    • H01H33/66261Specific screen details, e.g. mounting, materials, multiple screens or specific electrical field considerations
    • H01H2033/66269Details relating to the materials used for screens in vacuum switches

Abstract

The present invention provides a kind of novel vacuum circuit breaker insulating sheath, it is related to breaker protective jacket technical field, a kind of novel vacuum circuit breaker insulating sheath, including rear end insulating sheath, front end insulating sheath is fixedly connected on the left of the rear end insulating sheath, conducting wire fixation kit is provided on the left of the front end insulating sheath, the bottom thread of the rear end insulating sheath is connected with insulating sheath fixing seat, and the threaded upper ends of the insulating sheath fixing seat are connected with protective nut.Rubber strip strip is mutually clamped with sealing rubber strip after being installed by insulating sheath group; so that the junction between insulating sheath shell has good leakproofness; the steam and dust in outside air can effectively be prevented; it protects and is not interfered at circuit breaker connector, can effectively extend the service life of vacuum circuit breaker.

Description

A kind of novel vacuum circuit breaker insulating sheath
Technical field
The present invention relates to breaker protective case technical field, specially a kind of novel vacuum circuit breaker insulating sheath.
Background technique
Vacuum circuit breaker can realize high current by the excellent insulation performance and interrupting performance in high vacuum Partition, in order to improve the security performance of vacuum circuit breaker, can generally be arranged insulating sheath, insulating sheath is on vacuum circuit breaker The sharp weapon of distribution insulating and power supply reliability are improved, it can effectively prevent exposed power equipment electrical connector due to (artificial Touch, toy or sundries overlap joint, acid rain and chemical atmospheres corrosion) caused by power failure and electric shock accidents, as distribution is entirely exhausted Edge degree constantly improve, and puts forward higher requirements to the reasonable structure of insulating sheath product, configuration type selecting adaptability.
In order to enable insulating sheath use of time enhanced convenience, insulating sheath by previous whole shell become Demountable two shells pass through snapping or are bolted before latter two right shell, dismounting when easy access, again It is multiple to use, but the leakproofness for allowing for entire insulation crust in this way is not strong, leads to a large amount of steam and ash in outside air Dirt etc. can enter the inside of insulating sheath, so that some unfavorable shadows still can be caused to the joint of vacuum circuit breaker It rings, shortens the service life of vacuum circuit breaker.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, it the present invention provides a kind of novel vacuum circuit breaker insulating sheath, solves entire The leakproofness of insulation crust is not strong, causes a large amount of steam and dust etc. in outside air that can enter the interior of insulating sheath Portion shortens vacuum circuit breaker and uses the longevity so that still some detrimental effects can be caused to the joint of vacuum circuit breaker The problem of life.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of novel vacuum circuit breaker insulation Sheath, including rear end insulating sheath are fixedly connected with front end insulating sheath on the left of the rear end insulating sheath, and the front end is exhausted Conducting wire fixation kit is provided on the left of edge sheath, the bottom thread of the rear end insulating sheath is connected with insulating sheath and fixes Seat, the threaded upper ends of the insulating sheath fixing seat are connected with protective nut.
Preferably, the rear end insulating sheath is made of the first rear end sheath shell and the second rear end sheath shell, described First rear end sheath shell is flexibly connected with the second rear end sheath shell by connects hinge, first rear end sheath shell with The screw top of insulating sheath fixing seat connects, and first rear end sheath shell and the side wall of the second rear end sheath shell are solid Surely restraining position ring block is connected, and the inside of the first rear end sheath shell and the second rear end sheath shell forms an arc-shaped cavity.
Preferably, the front end insulating sheath is made of the first front end sheath shell and the second front end sheath shell, and the The inside of one front end sheath shell and the second front end sheath shell forms a straight line cavity, first front end sheath shell Upper and lower surface is fixedly installed with the first link block, and the upper and lower surface of second front end sheath shell is fixedly installed with second The inside of link block, first link block and the second link block offers identical threaded hole.
Preferably, the conducting wire fixation kit includes socket plectane, is fixedly connected on the right side of the socket plectane several A grafting block, and jack compatible with grafting block is offered on the left side wall of front end insulating sheath, it is described to be socketed the upper of plectane Lower both ends are fixedly installed with fixed block, offer circular hole on the side wall of the socket plectane, and the inside of circular hole is fixedly mounted There is rubber washer.
Preferably, the inside of first rear end sheath shell and the first front end sheath shell is fixedly installed with rubber strip card The inside of item, second rear end sheath shell and the second front end sheath shell is fixedly installed with sealing rubber strip, the rubber Strip is mutually clamped with sealing rubber strip.
Preferably, it is made of the raw material of following weight proportion: 60-80 parts of phenol-formaldehyde resin powder, 10-15 parts of stabilizer, plasticising 7-9 parts of agent, 2-4 parts of antioxidant, 3-5 parts of fire retardant, 1-2 parts of additive, the additive are nano aluminium oxide.
Working principle: in use, the bolt of connection the first link block and the second link block is first removed, thus i.e. openable the One rear end sheath shell and the second rear end sheath shell, since the first rear end sheath shell and the second rear end sheath shell pass through company Articulate connection is connect, so the first rear end sheath shell may be rotated with the second rear end sheath shell, then by vacuum Conducting wire at circuit breaker connector enters from the bottom of insulating sheath fixing seat, and conducting wire is protected by rear end insulating sheath and front end insulation Cavity inside set, then comes out from the left end of front end insulating sheath, then wire head is passed through the rubber of socket plectane side wall installation In the circular hole of rubber gasket, then the grafting block for being socketed plectane right end is inserted on the left side wall of front end insulating sheath again, then First rear end sheath shell is closed up with the second rear end sheath shell, so that rubber strip strip gets up with sealing rubber strip clamping, together When the first link block and the second link block are bolted, then protective nut is rotated, so that the top of protective nut It fits with the bottom of stop collar, finally insulating sheath fixing seat is mounted on the top of vacuum separator.
(3) beneficial effect
The present invention provides a kind of novel vacuum circuit breaker insulating sheaths.Have it is following the utility model has the advantages that
It is 1, of the invention by installing rubber strip strip in the inside of the first rear end sheath shell and the first front end sheath shell, Sealing rubber strip is installed in the inside of the second rear end sheath shell and the second front end sheath shell, and insulating sheath group install with Rubber strip strip is mutually clamped with sealing rubber strip afterwards, so that the junction between insulating sheath shell has good leakproofness, The steam and dust in outside air can be effectively prevented, protects and is not interfered at circuit breaker connector, it can be effective The service life for extending vacuum circuit breaker.
2, the first rear end sheath shell is connect by the present invention by connects hinge with the second rear end sheath shell, is connected by first The first front end sheath shell and the second front end sheath shell can be connected by connecing block and the second link block, and connection type is simple It is practical, complicated connection type is avoided, so that insulating sheath is very convenient when disassembly.
3, the present invention can be greatly reduced the opening on the left of the insulating sheath of front end, be subtracted by the conducting wire fixation kit of setting The entrance of few air, while the circular hole that the rubber washer being arranged can make conducting wire fixation kit open up can be adapted for difference greatly Small conducting wire.
4, the present invention in the making material of insulating sheath by being added additive nano aluminium oxide, so that insulating sheath has There is the function of antistatic, can effectively avoid electrostatic to the disturbed condition of vacuum circuit breaker joint.
Detailed description of the invention
Fig. 1 is overall structure of the present invention;
Fig. 2 is structure expanded schematic diagram in the present invention;
Fig. 3 is the conducting wire fixation kit structural schematic diagram in the present invention;
Fig. 4 is the rubber washer schematic diagram in the present invention;
Fig. 5 is overall structure assembling schematic diagram in the present invention.
Wherein, 1, rear end insulating sheath;2, front end insulating sheath;3, conducting wire fixation kit;4, insulating sheath fixing seat;5, Protective nut;6, rubber strip strip;7, sealing rubber strip;101, the first rear end sheath shell;102, the second rear end sheath shell; 103, connects hinge;104, stop collar;201, the first front end sheath shell;202, the second front end sheath shell;203, first connects Connect block;204, the second link block;301, it is socketed plectane;302, grafting block;303, fixed block;304, rubber washer.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Embodiment one:
As shown in Figs. 1-5, the embodiment of the present invention provides a kind of novel vacuum circuit breaker insulating sheath, including rear end insulation shield Set 1, the left side of rear end insulating sheath 1 is fixedly connected with front end insulating sheath 2, and the left side of front end insulating sheath 2 is provided with conducting wire Fixation kit 3, the bottom thread of rear end insulating sheath 1 are connected with insulating sheath fixing seat 4, the upper end of insulating sheath fixing seat 4 It is threaded with protective nut 5, the conducting wire of vacuum circuit breaker joint is entered from the bottom of insulating sheath fixing seat 4, conducting wire By the cavity inside rear end insulating sheath 1 and front end insulating sheath 2, then come out from the left end of front end insulating sheath 2, then Wire head passes through in the circular hole of conducting wire fixation kit 3, finally insulating sheath fixing seat 4 is mounted on the top of vacuum separator.
Embodiment two:
As shown in Figure 1, 2, the embodiment of the present invention provides a kind of novel vacuum circuit breaker insulating sheath, rear end insulating sheath 1 It is made of the first rear end sheath shell 101 and the second rear end sheath shell 102, the first rear end sheath shell 101 and the second rear end Sheath shell 102 is flexibly connected by connects hinge 103, the top of the first rear end sheath shell 101 and insulating sheath fixing seat 4 It being threadedly coupled, the side wall of the first rear end sheath shell 101 and the second rear end sheath shell 102 is fixedly connected with restraining position ring block 104, And first the inside of rear end sheath shell 101 and the second rear end sheath shell 102 form an arc-shaped cavity, front end insulating sheath 2 are made of the first front end sheath shell 201 and the second front end sheath shell 202, and before the first front end sheath shell 201 and second The inside of sheath shell 202 is held to form a straight line cavity, the upper and lower surface of the first front end sheath shell 201 is fixedly installed with First link block 203, the upper and lower surface of the second front end sheath shell 202 are fixedly installed with the second link block 204, the first connection The inside of block 203 and the second link block 204 offers identical threaded hole, by first remove the first link block 203 of connection with The bolt of second link block 204, thus i.e. openable first rear end sheath shell 101 and the second rear end sheath shell 102, due to First rear end sheath shell 101 is flexibly connected with the second rear end sheath shell 102 by connects hinge 103, so the first rear end Sheath shell 101 may be rotated with the second rear end sheath shell 102, protect after conducting wire is set, then the first rear end Set of shells 101 is closed up with the second rear end sheath shell 102, while the first link block 203 and the second link block 204 are passed through bolt It connects, then rotates protective nut 5, so that the top of protective nut 5 and the bottom of stop collar 104 fit.
Embodiment three:
As shown in Figure 1,2,3, 4, the embodiment of the present invention provides a kind of novel vacuum circuit breaker insulating sheath, the fixed group of conducting wire Part 3 includes socket plectane 301, and the right side of socket plectane 301 is fixedly connected with several grafting blocks 302, and front end insulating sheath 2 Left side wall on offer jack compatible with grafting block 302, the upper and lower ends of socket plectane 301 are fixedly installed with fixation Block 303 is socketed on the side wall of plectane 301 and offers circular hole, and the inside of circular hole is fixedly installed with rubber washer 304, breaker Conducting wire comes out from the left end of front end insulating sheath 2 and then wire head is passed through the rubber washer that socket 301 side wall of plectane is installed In 304 circular hole, then the grafting block 302 for being socketed 301 right end of plectane is inserted on the left side wall of front end insulating sheath 2 again, It can be in order to remove entire conducting wire fixation kit 3, before the first rear end sheath shell 101 and first by the fixed block 303 of setting The inside of end sheath shell 201 is fixedly installed with rubber strip strip 6, the second rear end sheath shell 102 and the second front end sheath shell The inside of body 202 is fixedly installed with sealing rubber strip 7, and rubber strip strip 6 is clamped with 7 phase of sealing rubber strip, and the first rear end is protected When set of shells 101 and the second rear end sheath shell 102 are closed up, rubber strip strip 6 and sealing rubber strip 7 can be made to be clamped Come, ensure that the leakproofness of insulating sheath.
Example IV:
The embodiment of the present invention provides a kind of novel vacuum circuit breaker insulating sheath, is made of the raw material of following weight proportion: 60-80 parts of phenol-formaldehyde resin powder, 7-9 parts of plasticizer, 2-4 parts of antioxidant, 3-5 parts of fire retardant, adds 10-15 parts of calcium zinc stabilizer Add 1-2 parts of agent, additive is antimony oxide, chooses 70 parts of phenol-formaldehyde resin powder, 12 parts of stabilizer, 8 parts of plasticizer, antioxidant 3 parts, 4 parts of fire retardant, 1.5 parts of additive be mixed, by the way that additive nano aluminium oxide is added so that insulating sheath have it is anti- The function of electrostatic.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.In the absence of more restrictions, the element limited by sentence " including a reference structure ", is not arranged Except there is also other identical elements in the process, method, article or apparatus that includes the element.Although have been shown and The embodiment of the present invention is described, for the ordinary skill in the art, it is possible to understand that do not departing from original of the invention A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where reason and spirit, the scope of the present invention is by institute Attached claim and its equivalent limit.

Claims (6)

1. a kind of novel vacuum circuit breaker insulating sheath, including rear end insulating sheath (1), it is characterised in that: the rear end insulation It is fixedly connected on the left of sheath (1) front end insulating sheath (2), it is solid that conducting wire is provided on the left of the front end insulating sheath (2) Determine component (3), the bottom thread of the rear end insulating sheath (1) is connected with insulating sheath fixing seat (4), and the insulating sheath is solid The threaded upper ends of reservation (4) are connected with protective nut (5).
2. a kind of novel vacuum circuit breaker insulating sheath according to claim 1, it is characterised in that: the rear end insulation shield Set (1) is made of the first rear end sheath shell (101) and the second rear end sheath shell (102), first rear end sheath shell (101) it is flexibly connected with the second rear end sheath shell (102) by connects hinge (103), first rear end sheath shell (101) it is connect with the screw top of insulating sheath fixing seat (4), first rear end sheath shell (101) and the second rear end are protected The side wall of set of shells (102) is fixedly connected with restraining position ring block (104), and the first rear end sheath shell (101) and the second rear end are protected The inside of set of shells (102) forms an arc-shaped cavity.
3. a kind of novel vacuum circuit breaker insulating sheath according to claim 1, it is characterised in that: the front end insulation shield Set (2) is made of the first front end sheath shell (201) and the second front end sheath shell (202), and the first front end sheath shell (201) a straight line cavity, first front end sheath shell (201) are formed with the inside of the second front end sheath shell (202) Upper and lower surface be fixedly installed with the first link block (203), the upper and lower surface of second front end sheath shell (202) is solid Dingan County is equipped with the second link block (204), and first link block (203) and the inside of the second link block (204) offer phase Same threaded hole.
4. a kind of novel vacuum circuit breaker insulating sheath according to claim 1, it is characterised in that: the fixed group of the conducting wire Part (3) includes socket plectane (301), is fixedly connected with several grafting blocks (302) on the right side of the socket plectane (301), and The compatible jack with grafting block (302) is offered on the left side wall of front end insulating sheath (2), socket plectane (301) Upper and lower ends are fixedly installed with fixed block (303), offer circular hole on the side wall of socket plectane (301), and circular hole Inside is fixedly installed with rubber washer (304).
5. a kind of novel vacuum circuit breaker insulating sheath according to claim 2 or 3, it is characterised in that: after described first End sheath shell (101) and the inside of the first front end sheath shell (201) are fixedly installed with rubber strip strip (6), and described second The inside of rear end sheath shell (102) and the second front end sheath shell (202) is fixedly installed with sealing rubber strip (7), the rubber Adhesive tape strip (6) is mutually clamped with sealing rubber strip (7).
6. a kind of novel vacuum circuit breaker insulating sheath according to claim 1, it is characterised in that: by following weight proportion Raw material be made: 60-80 parts of phenol-formaldehyde resin powder, 10-15 parts of stabilizer, 7-9 parts of plasticizer, 2-4 parts of antioxidant, fire retardant 3- 5 parts, 1-2 parts of additive, the additive are nano aluminium oxide.
CN201910632353.6A 2019-07-13 2019-07-13 Novel vacuum circuit breaker insulating sheath Active CN110517928B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910632353.6A CN110517928B (en) 2019-07-13 2019-07-13 Novel vacuum circuit breaker insulating sheath

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910632353.6A CN110517928B (en) 2019-07-13 2019-07-13 Novel vacuum circuit breaker insulating sheath

Publications (2)

Publication Number Publication Date
CN110517928A true CN110517928A (en) 2019-11-29
CN110517928B CN110517928B (en) 2021-05-14

Family

ID=68623203

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910632353.6A Active CN110517928B (en) 2019-07-13 2019-07-13 Novel vacuum circuit breaker insulating sheath

Country Status (1)

Country Link
CN (1) CN110517928B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61143916A (en) * 1984-12-14 1986-07-01 シーメンス、アクチエンゲゼルシヤフト Vacuum valve for breaker
CN203367133U (en) * 2013-08-14 2013-12-25 乐清国联电力护套有限公司 Novel in-and-out wiring sheath for vacuum circuit breaker
CN203386647U (en) * 2013-08-14 2014-01-08 乐清国联电力护套有限公司 Vacuum circuit breaker inlet and outlet wiring sheath
CN203826642U (en) * 2014-05-09 2014-09-10 浙江机电职业技术学院 Children protective cover box for wiring board
CN205211563U (en) * 2015-11-12 2016-05-04 安徽伊法拉电力科技有限公司 Novel insulating sheath
CN106298359A (en) * 2016-08-30 2017-01-04 安徽中电兴发与鑫龙科技股份有限公司 A kind of plateau vacuum circuit breaker

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61143916A (en) * 1984-12-14 1986-07-01 シーメンス、アクチエンゲゼルシヤフト Vacuum valve for breaker
CN203367133U (en) * 2013-08-14 2013-12-25 乐清国联电力护套有限公司 Novel in-and-out wiring sheath for vacuum circuit breaker
CN203386647U (en) * 2013-08-14 2014-01-08 乐清国联电力护套有限公司 Vacuum circuit breaker inlet and outlet wiring sheath
CN203826642U (en) * 2014-05-09 2014-09-10 浙江机电职业技术学院 Children protective cover box for wiring board
CN205211563U (en) * 2015-11-12 2016-05-04 安徽伊法拉电力科技有限公司 Novel insulating sheath
CN106298359A (en) * 2016-08-30 2017-01-04 安徽中电兴发与鑫龙科技股份有限公司 A kind of plateau vacuum circuit breaker

Also Published As

Publication number Publication date
CN110517928B (en) 2021-05-14

Similar Documents

Publication Publication Date Title
CN110517811A (en) A kind of line-type heat detector temperature sensing cable
CN110517928A (en) A kind of novel vacuum circuit breaker insulating sheath
CN103401206A (en) Quick cable joint
CN211046082U (en) Low-voltage cabinet convenient to installation wiring
CN209448403U (en) A kind of novel cable transition joint flame-proof explosion-proof box
CN210404648U (en) Aluminum alloy shell low-voltage bus duct
CN207764294U (en) A kind of intelligent equipotential counting thunder case
CN210443675U (en) Novel quick-insertion type small-sized junction box
CN208257312U (en) A kind of gantry convenient for lineation and isolation
CN208596837U (en) A kind of cluster network deconcentrator
CN201130836Y (en) Protective pipe
CN209232697U (en) Electric blanket low-voltage protective switch structure
CN219626989U (en) Open type TBM pipeline cable joint for coal mine
CN110517924B (en) Novel isolating switch insulating sheath
CN216529625U (en) High waterproof corrosion-resistant car pencil
CN110783867A (en) Cable protection pipe plugging device
CN209217385U (en) A kind of trailer harness
CN211151324U (en) Insulation closed low-voltage cable branch box
CN211351108U (en) Sealing structure of electric connector
CN212303231U (en) Built-in basin-type insulator function device for GIL
CN207517991U (en) A kind of AC charging harness
CN217521223U (en) Separable connector test tool
CN219303372U (en) Waterproof fire-resistant power cable
CN212365177U (en) Alarm device that building electrical construction used
CN213461045U (en) Intensive waterproof and moistureproof bus duct

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 236800 Tangwang Avenue and Weisan Road Intersection of Bozhou Bowu Modern Industrial Park, Anhui Province

Patentee after: Anhui yifala Electric Co.,Ltd.

Address before: 236800 Tangwang Avenue and Weisan Road Intersection of Bozhou Bowu Modern Industrial Park, Anhui Province

Patentee before: ANHUI YIFALA ELECTRICAL Co.,Ltd.