CN106128896B - A kind of quick-change type fuse - Google Patents

A kind of quick-change type fuse Download PDF

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Publication number
CN106128896B
CN106128896B CN201610716074.4A CN201610716074A CN106128896B CN 106128896 B CN106128896 B CN 106128896B CN 201610716074 A CN201610716074 A CN 201610716074A CN 106128896 B CN106128896 B CN 106128896B
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CN
China
Prior art keywords
latch fitting
shell
pedestal
fuse
fusing
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.)
Active
Application number
CN201610716074.4A
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Chinese (zh)
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CN106128896A (en
Inventor
朱小涛
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.)
Spic Guizhou Zunyi Industry Development Co ltd
Original Assignee
Gao Shuangfeng
Huang Zhemin
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 Gao Shuangfeng, Huang Zhemin filed Critical Gao Shuangfeng
Priority to CN201810823385.XA priority Critical patent/CN109103058B/en
Priority to CN201610716074.4A priority patent/CN106128896B/en
Priority to CN201810823413.8A priority patent/CN109256304B/en
Priority to CN201810823475.9A priority patent/CN109216127B/en
Publication of CN106128896A publication Critical patent/CN106128896A/en
Application granted granted Critical
Publication of CN106128896B publication Critical patent/CN106128896B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
    • H01H85/05—Component parts thereof
    • H01H85/055—Fusible members
    • H01H85/08—Fusible members characterised by the shape or form of the fusible member
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
    • H01H85/05—Component parts thereof
    • H01H85/165—Casings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/22—Intermediate or auxiliary parts for carrying, holding, or retaining fuse, co-operating with base or fixed holder, and removable therefrom for renewing the fuse

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  • Fuses (AREA)

Abstract

The invention discloses a kind of quick-change type fuses, including pedestal, the upper surface of the pedestal is equipped with fixed end housing and movable end housing, and Fuse assembly is plugged between fixed end housing and movable end housing, and the pedestal is equipped with and matches the transmission self-locking mechanism used with movable end housing；The Fuse assembly includes fusing shell, melt, block, fusing elastic component and capping, melt is equipped in the inner cavity of the fusing shell, and the both ends of melt are equipped with block, the melt includes fuse and frit, and fuse and frit are spaced apart, the both ends of the fusing shell are connected with capping, and fusing elastic component is equipped between block and capping.The present invention is by being designed to that fuse and frit are spaced apart for melt, effectively raise the speed of fusing, melt Fuse assembly in fusing can effectively gather together it simultaneously, prevent drop from splashing, being driven self-locking mechanism simultaneously may be implemented step installation Fuse assembly, and locked, it is time saving and energy saving.

Description

A kind of quick-change type fuse
Technical field
The present invention relates to forceful electric power technical field, specially a kind of quick-change type fuse.
Background technique
Fuse (fuse) refers to when electric current is more than specified value, so that melt is fused with the heat that itself is generated, disconnects electricity A kind of electric appliance on road.Fuse is according to electric current be more than specified value for a period of time after, keep melt molten with its own heat generated Change, so that circuit be made to disconnect；With a kind of current protector made of this principle.Fuse is widely used in high and low voltage electric distribution It is using most common protection device as the protector of short circuit and overcurrent in system and control system and electrical equipment One of.
But present fuse blows speed is slow, when replacement, is more time-consuming, while certain structures simply fuse None relatively good safeguard measure of device, being easy, which drips melt everywhere, splashes, and causes danger, for this purpose, proposing a kind of quick-replaceable Formula fuse.
Summary of the invention
The purpose of the present invention is to provide a kind of quick-change type fuses, to solve mentioned above in the background art ask Topic.
To achieve the above object, the present invention provides the following technical solutions：A kind of quick-change type fuse, including pedestal, Upper surface one end of the pedestal is fixedly installed with fixed end housing, and the other end of the upper surface is movably installed with movable end Shell, and Fuse assembly is plugged between fixed end housing and movable end housing, the pedestal, which is equipped with, matches the biography used with movable end housing Dynamic self-locking mechanism；
The Fuse assembly includes fusing shell, melt, block, fuse elastic component and capping, in the inner cavity of the fusing shell Both ends equipped with melt, and melt are equipped with block, and the melt includes fuse and frit, and fuse and frit are spaced apart, The both ends of the fusing shell are connected with capping, and fusing elastic component is equipped between block and capping.
Preferably, the transmission self-locking mechanism includes L shape bull stick, " returning " font press piece, self-lock rod, elastic component and reed Hook, the L shape bar rotation are installed in the inner cavity of pedestal, and one end of the L shape bull stick is connect with movable end housing, and L shape turns The other end of bar and one end of self-lock rod connect, and the upper surface that the other end of the self-lock rod passes through shell extends to the outer of shell Portion, " time " the font press piece are slidably mounted on the intracavity bottom of pedestal, and are equipped in the middle part of " returning " font press piece for certainly The elastic component that locking bar resets, the reed hook are fixedly installed at the center of base bottom, and the upper end of reed hook and L shape bull stick Flexible connection.
Preferably, the transmission self-locking mechanism includes press piece, slide plate, crossbeam, return unit, stringer, fixed ring and latch fitting, institute The one end for stating stringer is fixedly installed with slide plate, one end connection of the slide plate and press piece, the other end of the press piece by crossbeam Hull outside is extended to across shell, return unit and fixed ring are socketed on the stringer, and fixed ring is fixedly installed in shell Bottom, the other end of the stringer is equipped with latch fitting.
Preferably, the latch fitting includes latch fitting shell, latch fitting elastic component, shaft, driving lever, corrugated plating and connecting column, described Corrugated plating is equipped in the inner cavity of latch fitting shell, the smooth surface side of the corrugated plating is equipped with latch fitting elastic component, the wave of the corrugated plating Line surface side is equipped with connecting column, and the ripple for matching and using with corrugated plating is carved on the surface of connecting column, and the end of the corrugated plating is logical The shaft being rotatablely installed in the inner cavity of shell is crossed to connect with driving lever.
Preferably, the latch fitting include latch fitting shell, latch fitting elastic component, shaft, driving lever, electromagnet, contact and Driver plate, driver plate is equipped in the inner cavity of the latch fitting shell, and the side of the driver plate is equipped with latch fitting elastic component, the transmission The other side of plate is fixedly installed with contact, is located at the ipsilateral fixed installation of latch fitting elastic component in the inner cavity of the latch fitting shell There is electromagnet, and electromagnet, by contact and electrical appliance circuit connection, the end of the driver plate passes through rotational installation Shaft in the inner cavity of shell is connect with driving lever.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention is by the way that melt to be designed between fuse and frit Every distribution, the speed of fusing is effectively raised, while melt Fuse assembly in fusing can effectively gather together it, It prevents drop from splashing, while being driven self-locking mechanism and step installation Fuse assembly may be implemented, and being locked, it is time saving and energy saving.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the schematic structural diagram of the first embodiment of transmission self-locking mechanism of the invention；
Fig. 3 is the schematic structural diagram of the second embodiment of transmission self-locking mechanism of the invention；
Fig. 4 is the schematic structural diagram of the first embodiment of latch fitting of the invention；
Fig. 5 is the schematic structural diagram of the second embodiment of latch fitting of the invention.
In figure：1 pedestal, 2 fixed end housings, 3 movable end housings, 4 Fuse assemblies, 41 fusing shells, 42 melts, 421 fuses, 422 Frit, 43 blocks, 44 fusing elastic components, 45 cappings, 5 transmission self-locking mechanisms, 511L shape bull stick, 512 " time " font press pieces, 513 Self-lock rod, 514 elastic components, 515 reed hooks, 521 press pieces, 522 slide plates, 523 crossbeams, 524 return units, 525 stringers, 526 are fixed Ring, 527 latch fittings, 5271 latch fitting shells, 5272 latch fitting elastic components, 5273 shafts, 5274 driving levers, 5275 corrugated platings, 5276 connections Column, 5277 electromagnet, 5278 contacts and 5279 driver plates.
Specific embodiment
The present invention is described further combined with specific embodiments below, but protection scope of the present invention is not limited to This.
Fig. 1 and Fig. 2 are please referred to, the present invention provides the first embodiment：A kind of quick-change type fuse, including pedestal 1, Upper surface one end of the pedestal 1 is fixedly installed with fixed end housing 2, and the other end of the upper surface is movably installed with movable end Shell 3, and Fuse assembly 4 is plugged between fixed end housing 2 and movable end housing 3, the Fuse assembly 4 includes fusing shell 41, melt 42, block 43, fusing elastic component 44 and capping 45 are equipped with melt 42, and both ends of melt 42 in the inner cavity of the fusing shell 41 It is equipped with block 43, the melt 42 includes fuse 421 and frit 422, and fuse 421 and frit 422 are spaced apart, described molten The both ends of disconnected shell 41 are connected with capping 45, and fusing elastic component 44 is equipped between block 43 and capping 45, and such melt 42 exists Fuse assembly 4 can effectively gather together it when fusing, prevent drop from splashing, and the pedestal 1, which is equipped with to match with movable end housing 3, to be made Transmission self-locking mechanism 5, the transmission self-locking mechanism 5 include L shape bull stick 511, " returning " font press piece 512, self-lock rod 513, Elastic component 514 and reed hook 515, the rotational installation of L shape bull stick 511 is in the inner cavity of pedestal 1, and the one of the L shape bull stick 511 End is connect with activity end housing 3, and the other end of L shape bull stick 511 is connect with one end of self-lock rod 513, the self-lock rod 513 it is another The upper surface that one end passes through pedestal 1 extends to the outside of pedestal 1, and " time " the font press piece 512 is slidably mounted on the interior of pedestal 1 Bottom of chamber portion, and the middle part of " returning " font press piece 512 is equipped with the elastic component 514 resetted for self-lock rod 513, the reed hook 515 are fixedly installed at the center of 1 bottom of pedestal, and the upper end of reed hook 515 and L shape bull stick 511 are flexibly connected, pass through by Melt 42 is designed to that fuse 421 and frit 422 are spaced apart, and effectively raises the speed of fusing, while being driven self-locking mechanism 5 Step installation Fuse assembly 4 may be implemented, and locked, it is time saving and energy saving.
Fuse assembly 4 need to only be installed when use between fixed end housing 2 and movable end housing 3, such self-lock rod 513 can band Dynamic L shape bull stick 511 rotates, and movable end housing 3 is buckled up, and when replacement, presses " returning " font press piece 512, and reed hook 515 leaves, Self-lock rod 513 can be by 4 automatic spring of Fuse assembly.
Fig. 1, Fig. 3 and Fig. 4 are please referred to, the present invention provides second of embodiment：A kind of quick-change type fuse, including bottom Seat 1, upper surface one end of the pedestal 1 is fixedly installed with fixed end housing 2, and the other end of the upper surface is movably installed with work Moved end shell 3, and Fuse assembly 4 is plugged between fixed end housing 2 and movable end housing 3, the Fuse assembly 4 include fusing shell 41, Melt 42, block 43, fusing elastic component 44 and capping 45 are equipped with melt 42, and melt 42 in the inner cavity of the fusing shell 41 Both ends are equipped with block 43, and the melt 42 includes fuse 421 and frit 422, and fuse 421 and frit 422 are spaced apart, institute The both ends for stating fusing shell 41 are connected with capping 45, and fusing elastic component 44 is equipped between block 43 and capping 45, effectively mention The high speed of fusing, while the Fuse assembly 4 in fusing of melt 42 can effectively gather together it, prevent from dripping and splash, institute It states pedestal 1 and includes press piece 521, slides equipped with the transmission self-locking mechanism 5 used, the transmission self-locking mechanism 5 is matched with movable end housing 3 One end of piece 522, crossbeam 523, return unit 524, stringer 525, fixed ring 526 and latch fitting 527, the stringer 525 passes through crossbeam 523 are fixedly installed with slide plate 522, and the slide plate 522 is connect with one end of press piece 521, and the other end of the press piece 521 passes through bottom Seat 1 extends to outside pedestal 1, and return unit 524 and fixed ring 526, and the fixed peace of fixed ring 526 are socketed on the stringer 525 Bottom loaded on pedestal 1, the other end of the stringer 525 are equipped with latch fitting 527, and the latch fitting 527 includes latch fitting shell 5271, lock Part elastic component 5272, shaft 5273, driving lever 5274, corrugated plating 5275 and connecting column 5276, the inner cavity of the latch fitting shell 5271 In be equipped with corrugated plating 5275, the smooth surface side of the corrugated plating 5275 is equipped with latch fitting elastic component 5272, the corrugated plating 5275 Ripple surface side is equipped with connecting column 5276, and the surface of connecting column 5276 is carved with and matches the ripple used with corrugated plating 5275, makes it Occlusion prevents from falling off, shaft 5273 and driving lever of the end of the corrugated plating 5275 by rotational installation in the inner cavity of pedestal 1 5274 connections, step installation Fuse assembly 4 may be implemented in transmission self-locking mechanism 5, and is locked, time saving and energy saving.
Driving lever 5274 is stirred when use, separates corrugated plating 5275 and connecting column 5276, because the elastic force of return unit 524 makes 522 drive activity end housing of slide plate, 3 upward sliding, thus make Fuse assembly 4 be detached from, after new 4 grafting of Fuse assembly, press by Piece 521 is lockable, convenient and practical, time saving and energy saving.
Referring to Fig. 5, latch fitting of the invention provides a kind of alternative solution：The latch fitting 527 includes latch fitting shell 5271, lock Part elastic component 5272, shaft 5273, driving lever 5274, electromagnet 5277, contact 5278 and driver plate 5279, the latch fitting Driver plate 5279 is equipped in the inner cavity of shell 5271, the side of the driver plate 5279 is equipped with latch fitting elastic component 5272, the biography The other side of movable plate 5279 is fixedly installed with contact 5278, and latch fitting elasticity is located in the inner cavity of the latch fitting shell 5271 Part 5272 is ipsilateral to be fixedly installed with electromagnet 5277, and electromagnet 5277 is connected by contact 5278 and electrical appliance circuit It connecing, the end of the driver plate 5279 is connect by shaft 5273 of the rotational installation in the inner cavity of pedestal 1 with driving lever 5274, this Electromagnet 5277 is connected into electrical appliance circuit whether can also detect appliance circuit normal by sample.
Driving lever 5274 is stirred when use makes the open circuit of electromagnet 5277 eliminate i.e. openable latch fitting 527.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (3)

1. a kind of quick-change type fuse, it is characterised in that：Including pedestal（1）, the pedestal（1）Upper surface one end fix Fixed end housing is installed（2）, the other end of the upper surface is movably installed with movable end housing（3）, and fixed end housing（2）And work Moved end shell（3）Between be plugged with Fuse assembly（4）, the pedestal（1）Equipped with movable end housing（3）It is self-locking to match the transmission used Mechanism（5）；
The Fuse assembly（4）Including the shell that fuses（41）, melt（42）, block（43）, fusing elastic component（44）And capping（45）, The fusing shell（41）Inner cavity in be equipped with melt（42）, and melt（42）Both ends be equipped with block（43）, the melt （42）Including fuse（421）And frit（422）, and fuse（421）And frit（422）It is spaced apart, the fusing shell（41）'s Both ends are connected with capping（45）, and block（43）And capping（45）Between fusing elastic component is installed（44）；
The transmission self-locking mechanism（5）Including press piece（521）, slide plate（522）, crossbeam（523）, return unit（524）, stringer （525）, fixed ring（526）And latch fitting（527）, the stringer（525）One end pass through crossbeam（523）It is fixedly installed with slide plate （522）, the slide plate（522）With press piece（521）One end connection, the press piece（521）The other end pass through pedestal（1）Extend To pedestal（1）Outside, the stringer（525）On be socketed with return unit（524）And fixed ring（526）, and fixed ring（526）It is fixed It is installed on pedestal（1）Bottom, the stringer（525）The other end be equipped with latch fitting（527）.
2. a kind of quick-change type fuse according to claim 1, it is characterised in that：The latch fitting（527）Including lock Part shell（5271）, latch fitting elastic component（5272）, shaft（5273）, driving lever（5274）, corrugated plating（5275）And connecting column （5276）, the latch fitting shell（5271）Inner cavity in be equipped with corrugated plating（5275）, the corrugated plating（5275）Smooth surface side Equipped with latch fitting elastic component（5272）, the corrugated plating（5275）Ripple surface side be equipped with connecting column（5276）, and connecting column （5276）Surface be carved with and corrugated plating（5275）Match the ripple used, the corrugated plating（5275）End by rotation peace Loaded on pedestal（1）Inner cavity in shaft（5273）With driving lever（5274）Connection.
3. a kind of quick-change type fuse according to claim 1, it is characterised in that：The latch fitting（527）Including lock Part shell（5271）, latch fitting elastic component（5272）, shaft（5273）, driving lever（5274）, electromagnet（5277）, contact （5278）And driver plate（5279）, the latch fitting shell（5271）Inner cavity in be equipped with driver plate（5279）, the driver plate （5279）Side be equipped with latch fitting elastic component（5272）, the driver plate（5279）The other side be fixedly installed with contact （5278）, the latch fitting shell（5271）Inner cavity in be located at latch fitting elastic component（5272）It is ipsilateral to be fixedly installed with electromagnet （5277）, and electromagnet（5277）Pass through contact（5278）With electrical appliance circuit connection, the driver plate（5279）'s End is by rotational installation in pedestal（1）Inner cavity in shaft（5273）With driving lever（5274）Connection.
CN201610716074.4A 2016-08-24 2016-08-24 A kind of quick-change type fuse Active CN106128896B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201810823385.XA CN109103058B (en) 2016-08-24 2016-08-24 Quick replacement formula fuse
CN201610716074.4A CN106128896B (en) 2016-08-24 2016-08-24 A kind of quick-change type fuse
CN201810823413.8A CN109256304B (en) 2016-08-24 2016-08-24 Quick replacement formula fuse
CN201810823475.9A CN109216127B (en) 2016-08-24 2016-08-24 Quick replacement formula fuse

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610716074.4A CN106128896B (en) 2016-08-24 2016-08-24 A kind of quick-change type fuse

Related Child Applications (3)

Application Number Title Priority Date Filing Date
CN201810823385.XA Division CN109103058B (en) 2016-08-24 2016-08-24 Quick replacement formula fuse
CN201810823475.9A Division CN109216127B (en) 2016-08-24 2016-08-24 Quick replacement formula fuse
CN201810823413.8A Division CN109256304B (en) 2016-08-24 2016-08-24 Quick replacement formula fuse

Publications (2)

Publication Number Publication Date
CN106128896A CN106128896A (en) 2016-11-16
CN106128896B true CN106128896B (en) 2018-11-27

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CN201810823475.9A Active CN109216127B (en) 2016-08-24 2016-08-24 Quick replacement formula fuse
CN201810823413.8A Active CN109256304B (en) 2016-08-24 2016-08-24 Quick replacement formula fuse
CN201610716074.4A Active CN106128896B (en) 2016-08-24 2016-08-24 A kind of quick-change type fuse
CN201810823385.XA Active CN109103058B (en) 2016-08-24 2016-08-24 Quick replacement formula fuse

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CN201810823475.9A Active CN109216127B (en) 2016-08-24 2016-08-24 Quick replacement formula fuse
CN201810823413.8A Active CN109256304B (en) 2016-08-24 2016-08-24 Quick replacement formula fuse

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CN201810823385.XA Active CN109103058B (en) 2016-08-24 2016-08-24 Quick replacement formula fuse

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Families Citing this family (4)

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Publication number Priority date Publication date Assignee Title
WO2018035754A1 (en) * 2016-08-24 2018-03-01 朱小涛 Quick-replaceable fuse
CN107768208B (en) * 2017-10-13 2019-02-15 国家电网公司 Power fuse fixed frame
CN110752129B (en) * 2018-12-11 2021-11-09 浙江金莱勒电气有限公司 Fuse capable of automatically recovering and fuse automatic recovery method
CN112542367B (en) * 2020-11-26 2022-09-27 国网河南省电力公司商丘供电公司 Fuse for power distribution protection

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Also Published As

Publication number Publication date
CN109103058A (en) 2018-12-28
CN109216127B (en) 2019-12-24
CN109216127A (en) 2019-01-15
CN109256304A (en) 2019-01-22
CN109103058B (en) 2020-08-28
CN106128896A (en) 2016-11-16
CN109256304B (en) 2020-09-08

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