CN207233686U - A kind of power grid fuse protecting device for being easily installed dismounting - Google Patents
A kind of power grid fuse protecting device for being easily installed dismounting Download PDFInfo
- Publication number
- CN207233686U CN207233686U CN201721201138.3U CN201721201138U CN207233686U CN 207233686 U CN207233686 U CN 207233686U CN 201721201138 U CN201721201138 U CN 201721201138U CN 207233686 U CN207233686 U CN 207233686U
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- China
- Prior art keywords
- fixedly connected
- melt
- conductive block
- active conductive
- left end
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Abstract
The utility model discloses a kind of power grid fuse protecting device for being easily installed dismounting; fixed bolt hole is fixedly connected with the outside of device body right end, is fixedly connected with porcelain seat on the inside of right end, porcelain seat lower end is fixedly connected into electric terminal; and grafting melt on the left of porcelain seat, melt are electrically connected into electric terminal；Melt left end grafting active conductive block, and active conductive block lower end is fixedly connected with guide groove, current output terminal is electrically connected active conductive block, and active conductive block is electrically connected melt left end；Active conductive block left end is fixedly connected with holddown spring right end, and holddown spring left end, which is fixedly connected, stretches porcelain cap right end, and porcelain cap left end is fixedly connected with telescopic rod left end.The device is closed by relatively extraneous inside active conductive block and cover board device body, avoids melt exposure from producing security risk, and easy for installation, and the quartz sand in spark chamber effectively can carry out electric arc caused by fusing cooling extinguishing, protect circuit.The apparatus structure is simply applicable in, and substantially increases the security of power grid.
Description
Technical field
A kind of grid equipment is the utility model is related to, is specifically a kind of power grid fuse protecting device for being easily installed dismounting.
Background technology
Protection electric appliance safe to use is usually needed in low-voltage distribution system, device for fusing is widely used in electric network protection and use
Electric equipment is protected, when short trouble or overload occur for power grid or electrical equipment, can automatic shutdown circuit, avoid electrical equipment from damaging
It is bad, prevent accident from spreading.Melt is the main working parts of device for fusing, and melt is special equivalent to one section to connect in circuit
Conducting wire, when circuit occur short circuit or overload when, electric current is excessive, and melt is melted because of overheat, so as to cut off circuit.
Device for fusing has the advantages that simple in structure, easy to use, cheap, is employed extensively in low-pressure system.
Melt is directly exposed in air by current existing device for fusing part, and short circuit is easily caused in wet weather and sleety weather
Damage device for fusing to power grid so as to impact, and most device for fusing are produced without arc-suppression function when melt fuses
Electric arc also usually damages power grid.
Utility model content
It is above-mentioned to solve the purpose of this utility model is to provide a kind of power grid fuse protecting device for being easily installed dismounting
The problem of being proposed in background technology.
To achieve the above object, the utility model provides following technical solution：
A kind of power grid fuse protecting device for being easily installed dismounting, including device body；Described device body mainly by
Porcelain seat, melt, active conductive block, thread bush block and threaded rod are formed, and fixed spiral shell is fixedly connected with the outside of described device body right end
Keyhole, right end inner side are fixedly connected with porcelain seat, and porcelain seat lower end is fixedly connected into electric terminal, and grafting melt on the left of porcelain seat, melt electricity
Property is connected into electric terminal；The melt left end grafting active conductive block, active conductive block upper end sliding connecting device inner body wall,
And active conductive block lower end is fixedly connected with guide groove, current output terminal is electrically connected active conductive block, and active conductive block is electrically connected
Melt left end；The active conductive block left end is fixedly connected with holddown spring right end, and holddown spring left end, which is fixedly connected, stretches the porcelain cap right side
End, porcelain cap left end are fixedly connected with telescopic rod left end, telescopic rod right end fixed connection apparatus body inner left wall；Current output terminal
Left end sets another fixed bolt hole, and fixed bolt hole fixed connection apparatus body lower end, porcelain cap upper end are fixedly connected with screw thread
Block is covered, thread bush block is threadedly coupled threaded rod, threaded rod bearings at both ends rotary connecting device inner body wall；The threaded rod left end
First bevel gear, first bevel gear engagement connection second bevel gear are fixedly connected with, second bevel gear is fixedly connected with shaft lower part, turns
Axle bearing rotary connecting device body upper wall, shaft upper end are fixedly connected with runner；The shaft right end sets another fixing bolt
Hole, fixed bolt hole fixed connection apparatus body upper end, device body right side upper end hinged closures, cover board upper end elastic connection limit
Position pin；The melt top and the bottom are respectively provided with fusion tube, and upper end fusion tube is fixedly connected with cover board, under the fusion tube fixed connection apparatus body of lower end
Wall.
As further program of the utility model：The fusion tube wall portion is fixedly connected with spark chamber, is placed with spark chamber
Quartz sand.
As the utility model further scheme：Guide groove internal slide connection current output terminal.
As the utility model further scheme：The spacer pin grafting lantern ring, and lantern ring fixed connection apparatus sheet
Upper end on the right side of body.
As the utility model further scheme：Described device body uses isolation material.
Compared with prior art, the beneficial effects of the utility model are：The device passes through active conductive block and cover board
Relatively extraneous closing, avoids melt exposure from producing security risk, and easy for installation, the quartz sand in spark chamber inside device body
Cooling extinguishing can be effectively carried out to electric arc caused by fusing, protects circuit.The apparatus structure is simply applicable in, and substantially increases electricity
The security of net, effectively extends service life.
Brief description of the drawings
Fig. 1 for ease of the power grid fuse protecting device of installing and dismounting structure diagram.
Fig. 2 is for ease of what structure diagram in the power grid fuse protecting device of installing and dismounting.
Fig. 3 is for ease of what structure diagram in the power grid fuse protecting device of installing and dismounting.
In figure：1- device bodies；2- fixed bolt holes；3- porcelain seats；4- enters electric terminal；5- melts；6- fusion tubes；7- cover boards；
8- active conductive blocks；9- spark chambers；10- guide grooves；11- current output terminals；12- holddown springs；13- porcelain caps；14- telescopic rods；15-
Thread bush block；16- threaded rods；17- first bevel gears；18- second bevel gears；19- shafts；20- runners；21- spacer pins；22-
The lantern ring.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
Please refer to Fig.1~3, in the utility model embodiment, a kind of power grid fuse protecting device for being easily installed dismounting, bag
Include device body 1；Described device body 1 is mainly by porcelain seat 3, melt 5, active conductive block 8, thread bush block 15 and threaded rod 16
Form；Fixed bolt hole 2 is fixedly connected with the outside of 1 right end of described device body, porcelain seat 3,3 lower end of porcelain seat are fixedly connected with the inside of right end
It is fixedly connected into electric terminal 4, and 3 left side grafting melt 5 of porcelain seat, melt 5 is electrically connected into electric terminal 4, and device body 1 is using exhausted
Edge material, melt 5 and to enter electric terminal 4 be conductive material, melt 5, which is inserted into porcelain seat 3, to abut and then electrically connects with entering electric terminal 4
Connect；The 5 left end grafting active conductive block 8 of melt, 8 upper end sliding connecting device body of active conductive block, 1 inner wall, and activity is led
Electric 8 lower end of block is fixedly connected with guide groove 10, and 10 internal slide of guide groove connection current output terminal 11, current output terminal 11, which is electrically connected, lives
Moving conductive block 8, active conductive block 8 are electrically connected 5 left end of melt, by active conductive block 8 that melt 5 and current output terminal 11 is electrical
Connection；8 left end of active conductive block is fixedly connected with 12 right end of holddown spring, and 12 left end of holddown spring, which is fixedly connected, stretches porcelain cap 13
Right end, 13 left end of porcelain cap are fixedly connected with 14 left end of telescopic rod, 14 right end fixed connection apparatus body of telescopic rod, 1 inner left wall, porcelain
Cap 13, which moves left and right, drives holddown spring 12 to compress or relax active conductive block 8, when needing replacing melt 5 by active conductive
Block 8 moves to left, and 5 left end of melt is separated with active conductive block 8, moves to right active conductive block 8 when installing melt 5 and clamps melt 5.
Sub 11 left ends of the current output terminal set another fixed bolt hole 2, and 2 fixed connection apparatus body 1 of fixed bolt hole
Lower end, 13 upper end of porcelain cap are fixedly connected with thread bush block 15, and thread bush block 15 is threadedly coupled threaded rod 16,16 bearings at both ends of threaded rod
1 inner wall of rotary connecting device body, 16 positive and negative rotation of threaded rod can drive thread bush block 15 to move left and right and then drive porcelain cap 13
To follow one wherever one goes movement, porcelain cap 13 moves left and right and then drives active conductive block 8 to follow one wherever one goes movement, and when active conductive block 8 is right
Move to continue to move to right porcelain cap 13 when abutting with 5 left end of melt and can fasten the connection of active conductive block 8 and melt 5；The threaded rod
16 left ends are fixedly connected with first bevel gear 17, the engagement connection second bevel gear 18 of first bevel gear 17, and second bevel gear 18 is fixed
19 lower part of connection rotating shaft, 19 bearing rotary connecting device body of shaft, 1 upper wall, 19 upper end of shaft is fixedly connected with runner 20, passes through
Rotating wheel 20 drives second bevel gear 18 to rotate and then drive first bevel gear 17 to follow rotation, the first bevel gear 17 of rotation
Driving threaded rod 16 rotates synchronously；19 right end of shaft sets another fixed bolt hole 2, and fixed bolt hole 2 is fixedly connected with dress
Put 1 upper end of body, 1 right side upper end hinged closures 7 of device body, 7 upper end elastic connection spacer pin 21 of cover board, 21 grafting of spacer pin
The lantern ring 22, and 22 fixed connection apparatus body of the lantern ring, 1 right side upper end, can move to left spacer pin when needing and fetching and replace melt 5
And then cover board 7 is opened and is convenient for changing；5 top and the bottom of melt are respectively provided with fusion tube 6, and upper end fusion tube 6 is fixedly connected with cover board 7, under
6 fixed connection apparatus body of fusion tube, 1 lower wall is held, 6 wall portion of fusion tube is fixedly connected with spark chamber 9, quartz sand is placed with spark chamber 9,
When melt fuses, electric arc, which sprays to quartz sand, can rapidly cool down and extinguish and avoid security risk.
The operation principle of the utility model is：Device body 1 uses isolation material, melt 5 and to enter electric terminal 4 be conduction
Material, melt 5, which is inserted into porcelain seat 3, to abut and then is electrically connected with entering electric terminal 4, by active conductive block 8 by melt 5 with going out electricity
Terminal 11 is electrically connected, and when electric current exceedes setting, the heat that electric current produces in itself makes melt fuse, and disconnecting circuit, is played
Short circuit and the protective effect of overcurrent, drive second bevel gear 18 to rotate to drive first bevel gear 17 by rotating wheel 20
Rotation is followed, the first bevel gear 17 of rotation drives threaded rod 16 to rotate synchronously, and 16 positive and negative rotation of threaded rod can drive thread bush
Block 15 moves left and right and then drives porcelain cap 13 to follow one wherever one goes movement, and porcelain cap 13 moves left and right and then drives active conductive block 8 to follow
Move left and right, and active conductive block can be fastened when active conductive block 8 is moved to right to continuing to move to right porcelain cap 13 when abutting with 5 left end of melt
8 with the connection of melt 5, porcelain cap 13, which moves left and right, drives holddown spring 12 to compress or relax active conductive block 8, when needing replacing
Active conductive block 8 is moved to left during melt 5,5 left end of melt is separated with active conductive block 8, by active conductive block when installing melt 5
8 move to right clamping melt 5, and 1 right side upper end hinged closures 7 of device body are, it is necessary to which spacer pin can be moved to left when replacing melt 5 by fetching
And then cover board 7 is opened and is convenient for changing, 5 top and the bottom of melt are respectively provided with fusion tube 6, and 6 wall portion of fusion tube is fixedly connected with spark chamber 9, arc extinguishing
Quartz sand is placed with chamber 9, when melt fuses, electric arc, which sprays to quartz sand, can rapidly cool down and extinguish and play a protective role.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of the spirit or essential attributes without departing substantially from the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The scope of type is indicated by the appended claims rather than the foregoing description, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical solution, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (5)
1. a kind of power grid fuse protecting device for being easily installed dismounting, including device body（1）；Described device body（1）Mainly
It is by porcelain seat（3）, melt（5）, active conductive block（8）, thread bush block（15）And threaded rod（16）Form, it is characterised in that institute
State device body（1）Fixed bolt hole is fixedly connected with the outside of right end（2）, right end inner side is fixedly connected with porcelain seat（3）, porcelain seat（3）Under
End is fixedly connected into electric terminal（4）, and porcelain seat（3）Left side grafting melt（5）, melt（5）It is electrically connected into electric terminal（4）；Institute
State melt（5）Left end grafting active conductive block（8）, active conductive block（8）Upper end sliding connecting device body（1）Inner wall, and it is living
Moving conductive block（8）Lower end is fixedly connected with guide groove（10）, current output terminal（11）It is electrically connected active conductive block（8）, active conductive
Block（8）It is electrically connected melt（5）Left end；The active conductive block（8）Left end is fixedly connected with holddown spring（12）Right end, compresses bullet
Spring（12）Left end, which is fixedly connected, stretches porcelain cap（13）Right end, porcelain cap（13）Left end is fixedly connected with telescopic rod（14）Left end, telescopic rod
（14）Right end fixed connection apparatus body（1）Inner left wall；Current output terminal（11）Left end sets another fixed bolt hole
（2）, and fixed bolt hole（2）Fixed connection apparatus body（1）Lower end, porcelain cap（13）Upper end is fixedly connected with thread bush block（15）,
Thread bush block（15）It is threadedly coupled threaded rod（16）, threaded rod（16）Bearings at both ends rotary connecting device body（1）Inner wall；It is described
Threaded rod（16）Left end is fixedly connected with first bevel gear（17）, first bevel gear（17）Engagement connection second bevel gear（18）, the
Two bevel gears（18）It is fixedly connected with shaft（19）Lower part, shaft（19）Bearing rotary connecting device body（1）Upper wall, shaft（19）
Upper end is fixedly connected with runner（20）；The shaft（19）Right end sets another fixed bolt hole（2）, fixed bolt hole（2）It is fixed
Attachment device body（1）Upper end, device body（1）Right side upper end hinged closures（7）, cover board（7）Upper end elastic connection spacer pin
（21）；The melt（5）Top and the bottom are respectively provided with fusion tube（6）, upper end fusion tube（6）It is fixedly connected with cover board（7）, lower end fusion tube（6）Gu
Determine attachment device body（1）Lower wall.
2. a kind of power grid fuse protecting device for being easily installed dismounting according to claim 1, it is characterised in that described molten
Pipe（6）Wall portion is fixedly connected with spark chamber（9）, spark chamber（9）Inside it is placed with quartz sand.
3. a kind of power grid fuse protecting device for being easily installed dismounting according to claim 1, it is characterised in that described to lead
To groove（10）Internal slide connection current output terminal（11）.
A kind of 4. power grid fuse protecting device for being easily installed dismounting according to claim 1, it is characterised in that the limit
Position pin（21）The grafting lantern ring（22）, and the lantern ring（22）Fixed connection apparatus body（1）Right side upper end.
A kind of 5. power grid fuse protecting device for being easily installed dismounting according to claim 1, it is characterised in that the dress
Put body（1）Using isolation material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721201138.3U CN207233686U (en) | 2017-09-19 | 2017-09-19 | A kind of power grid fuse protecting device for being easily installed dismounting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721201138.3U CN207233686U (en) | 2017-09-19 | 2017-09-19 | A kind of power grid fuse protecting device for being easily installed dismounting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207233686U true CN207233686U (en) | 2018-04-13 |
Family
ID=61862689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721201138.3U Expired - Fee Related CN207233686U (en) | 2017-09-19 | 2017-09-19 | A kind of power grid fuse protecting device for being easily installed dismounting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207233686U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108766852A (en) * | 2018-08-06 | 2018-11-06 | 芜湖市凯鑫避雷器有限责任公司 | It is a kind of can convenient changing high-tension fuse |
| CN111341617A (en) * | 2020-04-21 | 2020-06-26 | 国网安徽省电力有限公司铜陵市义安区供电公司 | Block terminal sealed fuse solution changes device |
| CN114899061A (en) * | 2022-05-17 | 2022-08-12 | 扬州森源电气有限公司 | Multi-stage fuse with high breaking capacity |
-
2017
- 2017-09-19 CN CN201721201138.3U patent/CN207233686U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108766852A (en) * | 2018-08-06 | 2018-11-06 | 芜湖市凯鑫避雷器有限责任公司 | It is a kind of can convenient changing high-tension fuse |
| CN111341617A (en) * | 2020-04-21 | 2020-06-26 | 国网安徽省电力有限公司铜陵市义安区供电公司 | Block terminal sealed fuse solution changes device |
| CN111341617B (en) * | 2020-04-21 | 2021-06-01 | 国网安徽省电力有限公司铜陵市义安区供电公司 | Block terminal sealed fuse solution changes device |
| CN114899061A (en) * | 2022-05-17 | 2022-08-12 | 扬州森源电气有限公司 | Multi-stage fuse with high breaking capacity |
| CN114899061B (en) * | 2022-05-17 | 2023-08-11 | 中山市千福好太太电器实业有限公司 | Multistage fuse with high breaking capacity |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180413 Termination date: 20180919 |