CN107424886A - A kind of fuse - Google Patents

A kind of fuse Download PDF

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Publication number
CN107424886A
CN107424886A CN201710833015.XA CN201710833015A CN107424886A CN 107424886 A CN107424886 A CN 107424886A CN 201710833015 A CN201710833015 A CN 201710833015A CN 107424886 A CN107424886 A CN 107424886A
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CN
China
Prior art keywords
plastic body
fuse
sealing
terminal
lock chamber
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
CN201710833015.XA
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Chinese (zh)
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CN107424886B (en
Inventor
刘建
凌强
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Bingyu Electric (shanghai) Co Ltd
Original Assignee
Bingyu Electric (shanghai) 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
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Application filed by Bingyu Electric (shanghai) Co Ltd filed Critical Bingyu Electric (shanghai) Co Ltd
Priority to CN201710833015.XA priority Critical patent/CN107424886B/en
Publication of CN107424886A publication Critical patent/CN107424886A/en
Application granted granted Critical
Publication of CN107424886B publication Critical patent/CN107424886B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00Protective 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
    • H01H85/0078Security-related arrangements
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00Protective 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
    • H01H85/02Details
    • H01H85/04Fuses, i.e. expendable parts of the protective device, e.g. cartridges
    • H01H85/05Component parts thereof
    • H01H85/165Casings
    • H01H85/175Casings characterised by the casing shape or form

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Fuses (AREA)

Abstract

The invention discloses a kind of fuse, including, end cap, end cap is provided with end cover lumen, is sequentially provided with from left to right in end cover lumen:Seal, the first plastic body, sealing ring, the second plastic body, another seal;The first terminal lock chamber is provided with first plastic body, Second terminal lock chamber is provided with the second plastic body, metal terminal is respectively fixed with the first terminal lock chamber and Second terminal lock chamber, fuse-link is provided between two metal terminals;The conducting end at fuse-link both ends is held out against with the elastic conducting strip of both sides respectively to be contacted, is conductive;The connection of the terminals of metal terminal and wire is conductive.The present invention has waterproof and insulate function, is adapted to use in the occasion for having moisture and drenching with rain;Fuse-link both ends connect electric wire by metal terminal respectively, and wire conductor, which is inserted directly into interiors of products, during installation to connect, and without tightening screw or using Press Plier crimping lead wire, can reduce difficulty of construction and engineering time.

Description

A kind of fuse
Technical field
The present invention relates to a kind of fuse, more particularly to a kind of fast-wiring, quick-replaceable fuse-link, can moist and The insulative water-proof fuse used in rain spraying environment.
Background technology
Fuse used by prior art, a fuse base is generally comprised, fuse-link is screwed molten On disconnected device base, electric wire is typically pressed on fuse base with screw, or by electric wire and copper tip (copper lug)It is connected to Together, then by the plate portion of copper tip it is pressed on screw on fuse base.This fuse volume is larger, is needed when installing electric wire Press Plier is wanted to crimp or twist screw in compression electric wire, operation is more complicated;In addition, the fuse of waterproof is fewer, general structure It is more complicated, it is difficult to fuse-link inside dismounting and change, or be not easy to observe whether its internal fusible link fuses, come to overhauling and safeguarding Say all cumbersome.
The content of the invention
In view of the drawbacks described above of prior art, the technical problems to be solved by the invention are to provide a kind of fuse, its Function simple in construction, easy for installation and with waterproof, insulation.
To achieve the above object, the invention provides a kind of fuse, including, end cap, described end cap is provided with wiring Hole, end cover lumen, it is sequentially provided with from left to right in described end cover lumen:Seal, the first plastic body, sealing ring, second Plastic body, another seal;
The first terminal lock chamber is provided with the first described plastic body, is consolidated in the second described plastic body provided with Second terminal Determine chamber, be respectively fixed with metal terminal in described the first terminal lock chamber and Second terminal lock chamber, two metal terminals it Between be provided with fuse-link;
The conducting end at described fuse-link both ends is held out against with the elastic conducting strip of both sides respectively to be contacted, is conductive;
Described elastic conducting strip is arranged on metal terminal, and the terminals connection of described metal terminal and wire is conductive;
Described sealing ring is arranged at the body part of the second plastic body at the first plastic body, for sealing the second modeling Expect body and the contact face of the first plastic body and end cap;
Described seal is used for and the first plastic body, the second plastic body, wire assembling, sealing.
As a further improvement on the present invention, revolved between described the first plastic body and the second plastic body by screw thread Close or snap-fitted connects, also by threaded engagement between the first described plastic body and the second plastic body and end cover lumen Or snap-fitted connection.
As a further improvement on the present invention, it is additionally provided with connecting cylinder part on the first described plastic body;
The second described plastic body is provided with the first pontes and second connecting portion point, described the first pontes and end Lid assembling is fixed, and described second connecting portion point is fixed with the assembling of connecting cylinder part.
As a further improvement on the present invention, described ring set is in second connecting portion exceptionally on wall, and described Two coupling parts are provided with connection bump, and the first described plastic body is provided with recessed with the connection of connection bump snap-fit Groove, described second connecting portion point are assembled with by the first plastic body and the second plastic body by connection bump and connecting groove Assembling is integral.
As a further improvement on the present invention, the first snap fit tabs are additionally provided with the first described plastic body, it is described First snap fit tabs and the first slot snap-fit for being arranged on end cover lumen inwall;
Described the first pontes is provided with the second snap fit tabs, the second described snap fit tabs with end cover lumen inwall Second slot snap-fit.
As a further improvement on the present invention, described metal terminal, including, elastic conducting strip, elastic card, bottom connect Plate, fixed side, described fixed side are connected with elastic card one end, and the described elastic card other end is gradually to remote Cooperation clamping sheet is additionally provided with direction skew and this end from fixed side, described cooperation clamping sheet and elastic card are common Clamping slot is formed, described clamping slot coordinates clamping with terminals;
Described elastic card has two and is separately fixed on the fixed side of both sides, and forms and lead between two elastic cards To groove, slot, described guide groove is tapered into from elastic card fixed side bearing to engaging well width.
As a further improvement on the present invention, reinforcement stator, described reinforcement stator are provided with metal terminal Hangnail is provided with, described the first terminal lock chamber and Second terminal are fixed cavity wall and be provided with strengthening adding for stator assembling Strong fixing groove;Described at least one group of the assembling structure strengthened stator and strengthen fixing groove, you can be two groups and two groups More than.
As a further improvement on the present invention, described wire insertion hole includes taper surface from outside to inside, described cone The sealing loop section of whole seal is not run through in shape face.
As a further improvement on the present invention, described wire insertion hole be sequentially provided with from left to right guiding taper hole part, Straight hole part, end countersunk portion, described guiding taper hole part, straight hole part, end countersunk portion are sequentially communicated.
As a further improvement on the present invention, described wire insertion hole be sequentially provided with from left to right the first sealing taper hole, Second sealing taper hole, the described first sealing taper hole, the second sealing taper hole are sequentially communicated, the described first sealing taper hole, second Seal outside taper hole is into the first snap fit tabs and the second snap fit tabs in sealing drum part.
As a further improvement on the present invention, first annular seal space is provided with the first sealed end of the first plastic body, it is described First annular seal space in seal is installed, described seal is adjacent to sealing with first annular seal space side wall;
The first terminal lock chamber is arranged in the first assembled portion, and is provided with metal terminal in described the first terminal lock chamber;
Between described the first assembled portion and the second assembled portion formed the 3rd seal groove, the 3rd described seal groove built with Sealing ring, described sealing ring and the 3rd seal groove inwall are adjacent to sealing;
The second described assembled portion is arranged on the second plastic body, and fuse-link, metal are provided with Second terminal lock chamber Terminal, described fuse-link are contacted with the metal terminal at both ends and held out against;
The second described plastic body is provided with the second annular seal space, and for the second described annular seal space built with seal, described is close Sealing and the second annular seal space side wall are adjacent to sealing;
Described the first assembled portion, the second assembled portion is fitted into end cap and the first described assembled portion and end cap inwall Assembling is fixed.
The beneficial effects of the invention are as follows:
1st, the present invention has waterproof and insulate function, is adapted to use in the occasion for having moisture and drenching with rain;Fuse-link both ends lead to respectively Metal terminal connection electric wire is crossed, wire conductor, which is inserted directly into interiors of products, during installation to connect, without tightening screw or making With Press Plier crimping lead wire, simply, easily and fast, difficulty of construction is substantially reduced, saves the engineering time.
2nd, the first plastic body, the second plastic body can be transparent materials, be easy to observe fuse-link state;Plastic body Conveniently it can tighten or dismantle, replacing fuse-link is simple and convenient, is easy to in-site installation to construct and subsequently overhaul.
3rd, fuse-link can use standard tubular fuse-link, and market-ripe, easily buying, cost is low, stable performance.
4th, the present invention is safe and reliable, simple, practical.
Brief description of the drawings
Fig. 1 is the structural representation of fuse embodiment of the present invention.
Fig. 2 is the part explosive view of fuse embodiment of the present invention.
Fig. 3 is the second plastic body structural representation of fuse embodiment of the present invention.
Fig. 4 is the first plastic body structural representation of fuse embodiment of the present invention.
Fig. 5 is the left view of fuse embodiment of the present invention.
Fig. 6 is B-B profiles in Fig. 5(It is not loaded into wire).
Fig. 7 is A-A profiles in Fig. 5.
Fig. 8 is the connection terminal structure schematic diagram of fuse embodiment of the present invention.
Fig. 9 is the connection terminal structure schematic diagram of fuse embodiment of the present invention.
Figure 10 is the connection terminal structure schematic diagram of fuse embodiment of the present invention.
Figure 11 is the seal configuration schematic diagram of fuse embodiment of the present invention.
Figure 12 is the seal another kind structural representation of fuse embodiment of the present invention.
Figure 13 is the seal another kind structural representation of fuse embodiment of the present invention.
Figure 14 is the seal another kind structural representation of fuse embodiment of the present invention.
Figure 15 is another structural representation of fuse embodiment of the present invention.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples:
Embodiment one
Referring to Fig. 1-Figure 10, a kind of fuse, including, end cap 100, described end cap 100 is provided with wiring hole 101, end cap Chamber 102, it is sequentially provided with from left to right in described end cover lumen 102:Seal 300, the first plastic body 500, sealing ring 800th, the second plastic body 600, another seal 300;
The first terminal lock chamber 501 is provided with the first described plastic body 500, is provided with the second described plastic body 600 Second terminal lock chamber 601, one is respectively fixed with described the first terminal lock chamber 501 and Second terminal lock chamber 601 Metal terminal 400, and it is further fixed on fuse-link 700 in described Second terminal lock chamber 601;
The conducting end 710 at the described both ends of fuse-link 700 is held out against with the elastic conducting strip 410 of both sides respectively to be contacted, is conductive;
Described elastic conducting strip 410 is arranged on metal terminal 400, the terminals of described metal terminal 400 and wire 200 210 connections are conductive.In use, when if moment is excessive by the electric current of fuse-link, the fusible link inside fuse-link can fuse, with The electric current of both ends wire is disconnected, so as to play protecting effect.
It can be connected between described the first plastic body 500 and the second plastic body 600 by threaded engagement or snap-fitted Connect, can also pass through threaded engagement between the first described plastic body 500 and the second plastic body 600 and end cover lumen 102 Or snap-fitted connection;
Described sealing ring 800 is arranged at the body part 610 of the second plastic body 600 at the first plastic body 500, uses Can be in sealing the second plastic body 600 and the first plastic body 500 and the contact face of end cap 100, described sealing ring 800 O-ring.
Described seal 300 is used to assemble with the first plastic body 500, the second plastic body 600, wire 200, be close Envelope.
In use, the terminals of wire 200 are connected after sequentially passing through wiring hole 101, wire insertion hole 301 with metal terminal Fixed, elastic conducting strip 410 is pressed into contact with conducting end 710 and compressed all the time with conducting end 710 by its own elasticity.
Further, the first described plastic body 500 is provided with the first sealed end 510, the first described sealed end 510 The first seal groove 103 is formed between the inwall of end cover lumen 101;
Described seal 300 includes sealing loop section 303 and sealing drum part 302, and described sealing drum part 302 loads the In one seal groove 103 and seal the first seal groove 103;
The described inwall of sealing loop section 303 and the end face of the first sealed end 510 is adjacent to sealing;
Described wire insertion hole 301 is interference fitted with wire 200 and seals assembling.
Further, the second described plastic body 600 is provided with the second sealed end 630, the second described sealed end 630 with The second seal groove 104 is formed between end cover lumen 101, the sealing drum part 302 of seal 300 is fitted into the second seal groove 104 And the second seal groove 104 is sealed.
Further, connecting cylinder part 540, described connecting cylinder part are additionally provided with the first described plastic body 500 Connecting cavity 541 is provided with 540;
The second described plastic body 600 is provided with the first pontes 620 and second connecting portion point 650, and described first connects Socket part point 620 is fixed with the assembling of end cap 100, and described second connecting portion point 650 is fixed with the assembling of connecting cylinder part 540.
Further, described sealing ring 800 is sleeved on 650 outer walls of second connecting portion point, the described second connection Part 650 is provided with connection bump 651, and the first described plastic body 500 is provided with the company with the snap-fit of connection bump 651 Connect groove 520, described second connecting portion point 650 is assembled with by the first plastics sheet by connection bump 651 and connecting groove 520 The plastic body 600 of body 500 and second assembles integrally;Described connecting groove 520 is arranged on the inwall of connecting cavity 541.
Further, the connection bump 651 and connecting groove 520 are wedge shape in direction of rotation, can be in assembling Screwed as screw thread.
Further, 650 outer walls of described second connecting portion point are provided with capillary groove 652, the described inwall of sealing ring 800 Sealed with the clamping of capillary groove 652.This structure can improve sealing ring 800 and the sealing effectiveness of second connecting portion point 650.
Further, described conducting end 710 is assembled with the clamping of Second terminal lock chamber 601, this to be designed to prevent Fuse-link 700 slides in Second terminal lock chamber 601, so as to influence to use.
Further, the first snap fit tabs 530, the described first engaging are additionally provided with the first described plastic body 500 Projection 530 and the snap-fit of the first slot 110 for being arranged on the inwall of end cover lumen 101;
Described the first pontes 620 is provided with the second snap fit tabs 640, the second described snap fit tabs 640 with end cap The snap-fit of the second slot 120 on the inwall of chamber 101.
This structure causes end cap, the first plastic body, the second plastic body to take apart each other, and dismantles mode It is very convenient(Directly pull out or screw outward and unscrew), and the earth facilitates installation early stage and the later stage overhauls.
Embodiment two
Referring to Fig. 8-Figure 10, described metal terminal 400, including, elastic conducting strip 410, elastic card 420, bottom connecting plate 440th, fixed side 460, described fixed side 460 are connected with the one end of elastic card 420, described elastic card 420 The other end, which gradually offsets and is additionally provided with this end to the direction away from fixed side 460, coordinates clamping sheet 421, described cooperation Clamping sheet 421 collectively forms clamping slot with elastic card 420, and described clamping slot coordinates clamping with terminals 210;
Described elastic card 420 has two and is separately fixed on the fixed side 460 of both sides, and two elastic cards 420 Between form guide groove 431, slot 432, described guide groove 431 from elastic card 420 and the bearing of fixed side 460 to The width of slot 432 tapers into.When terminals 210 insert guide groove 431, pass through the guide effect wiring of guide groove 431 End 210 easily enters slot 432, and passes through the clamping of slot 432.
Further, it is described in order to prevent terminals 210 from excessively stretching into metal terminal 400 so as to hinder wiring to work Elastic conducting strip 410 wire direction of insertion opposite direction projection on should be completely covered by slot 432.
Further, in order to prevent metal terminal 400 in the first terminal lock chamber 501 or Second terminal lock chamber 601 Generation, which is slided, even skids off the first terminal lock chamber 501 or Second terminal lock chamber 601, can be set on metal terminal 400 Strengthen stator 450, described reinforcement stator 450 is provided with hangnail 451, described the first terminal lock chamber 501 and second The inwall of terminal lock chamber 601 is provided with the reinforcement fixing groove assembled with strengthening stator 450, the tip of described hangnail 451 to Its close the first terminal lock chamber 501 or the opening direction of Second terminal lock chamber 601 tilt.It is this to be designed to so that strengthening Stator 450, hangnail 451 engage with strengthening fixing groove, so as to prevent metal terminal from the end of the first terminal lock chamber 501 or second Come off in sub- lock chamber 601.
Described metal terminal is made using conductive material, and described elastic conducting strip and elastic card 420 possess elasticity.
Embodiment three
Referring to Figure 11-Figure 14, shown structure is a variety of improved structures of seal, and described wire insertion hole 301 is with leading Line 200 is interference fitted to reach sealing effectiveness.Puncture mouth 3017 wire insertion before can be solid, when wire inserts Most weak location is punctured, and one of formation punctures mouth.It can also be the less through hole of the diameter made in advance to puncture mouth.
A variety of seal configurations shown in Figure 11-Figure 14, it distinguishes the shape for being wire insertion hole 301,
Referring to Figure 11, its wire insertion hole 301 is straight hole, in use, wire 200 is directly through wire insertion hole 301 and with leading Line pluging handhole 301 is interference fitted.Although this structure is simple, its diametric requirements to wire be it is fixed, also It is the wire that can only use fixed diameter, otherwise can causes sealing difference or can not seal.
Referring to Figure 12, described wire insertion hole 301 includes taper surface 3011 from outside to inside and punctures mouth 3017, described Taper surface 3011 run through whole seal 300 sealing loop section and connected with puncturing mouth 3017.By puncturing mouth 3017 can make wire insertion hole 301 adapt to the wire of any diameter, so as to improve its scope of application.In use, wire Directly through puncturing mouth 3017.
Referring to Figure 13, described wire insertion hole 301 is sequentially provided with guiding taper hole part 3012, straight hole part from left to right 3013rd, end countersunk portion 3014, puncture mouth 3017, described guiding taper hole part 3012, straight hole part 3013, end taper hole Part 3014, puncture mouth 3017 and be sequentially communicated.In use, described guiding taper hole part 3012 is used to facilitate wire to insert straight hole Part 3013;The wire that described straight hole part can be more than straight hole section diameter with diameter reaches sealing by being interference fitted Effect;Described end countersunk portion 3014 is used to be oriented to wire, wire is easily entered and punctures mouth 3017.It is this Structure can increase sealing effectiveness of the wire insertion hole to wire.
Referring to Figure 14, described wire insertion hole 301 is sequentially provided with the sealing of the first sealing taper hole 3015, second from left to right Taper hole 3016, puncture mouth 3017, the described first sealing taper hole 3015, second seals taper hole 3016, punctures mouth 3017 connects successively Logical, it is into sealing drum part 302 that the first described sealing taper hole 3015, second, which seals taper hole 3016, punctures the outside of mouth 3017, Interior the first snap fit tabs 310 and the second snap fit tabs 320.
In use, the first described sealing taper hole 3015, second seals taper hole 3016 and can play guide effect to wire, Easily penetrate wire to puncture in mouth 3017, and when diameter of wire is larger, wire can also be with the first sealing taper hole 3015 or the Two sealing taper hole 3016 clamping sealings, so as to increase sealing effectiveness of the seal to wire.And the first snap fit tabs 310 and second Snap fit tabs 320 are designed to make it to possess larger expansive space (being opened by its own resilient expansion), so as to prevent Wire can not insert when excessively thick and puncture mouth, or even cause to puncture mouth tear.
Described seal, sealing ring are made of elastomeric material, such as rubber, silica gel.
Example IV
Referring to Figure 15, shown structure is another improved structure of the invention, specific as follows:
First annular seal space 511 is provided with first sealed end 510 of the first plastic body 500, is installed in described first annular seal space There is seal 300, described seal 300 is adjacent to sealing with the side wall of first annular seal space 511;
The first terminal lock chamber 501 is arranged in the first assembled portion 590, and is provided with described the first terminal lock chamber 501 Metal terminal 400;
The 3rd seal groove A, the described the 3rd sealing are formed between described the first assembled portion 590 and the second assembled portion 690 Groove A is adjacent to sealing built with sealing ring 800, the described seal groove A inwalls of sealing ring 800 and the 3rd, and described sealing ring 800 can To be O-ring.
The second described assembled portion 690 is arranged on the second plastic body 600, is set in Second terminal lock chamber 601 There are fuse-link 700, metal terminal 400, described fuse-link 700 contacts with the metal terminal at both ends to be held out against;
The second described plastic body 600 is provided with the second annular seal space 602, and the second described annular seal space 602 is built with seal 300, the described side wall of 300 and second annular seal space of seal 602 is adjacent to sealing;
Described the first assembled portion 590, the second assembled portion 690 are fitted into the first assembled portion in end cap 100 and described 590 assemble with the inwall of end cap 100.Preferably, the end face of the second described assembled portion 690 is provided with a step, the first department of assembly 590 outside and the inwall of end cap 100 is divided to be respectively equipped with screw thread, the first assembled portion 590 is revolved with the inwall of end cap 100 by screw thread Attach together and match somebody with somebody;End cap pushes down the step of the second assembled portion, so as to which the first plastic body 500 and the second plastic body 600 be compressed Sealing.
This design structure is more succinct, uses more convenient.
Preferred embodiment of the invention described in detail above.It should be appreciated that one of ordinary skill in the art without Creative work can is needed to make many modifications and variations according to the design of the present invention.Therefore, all technologies in the art Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea Technical scheme, all should be in the protection domain being defined in the patent claims.

Claims (11)

1. a kind of fuse, including, end cap, described end cap is provided with wiring hole, end cover lumen, it is characterized in that:Described end It is sequentially provided with from left to right in cover cavity:Seal, the first plastic body, sealing ring, the second plastic body, another sealing Part;
The first terminal lock chamber is provided with the first described plastic body, is consolidated in the second described plastic body provided with Second terminal Determine chamber, be respectively fixed with metal terminal in described the first terminal lock chamber and Second terminal lock chamber, two metal terminals it Between be provided with fuse-link;
The conducting end at described fuse-link both ends is held out against with the elastic conducting strip of both sides respectively to be contacted, is conductive;
Described elastic conducting strip is arranged on metal terminal, and the terminals connection of described metal terminal and wire is conductive;
Described sealing ring is arranged at the body part of the second plastic body at the first plastic body, for sealing the second modeling Expect body and the contact face of the first plastic body and end cap;
Described seal is used for and the first plastic body, the second plastic body, wire assembling, sealing.
2. fuse as claimed in claim 1, it is characterized in that:Lead between described the first plastic body and the second plastic body Cross threaded engagement or snap-fitted connection, between the first described plastic body and the second plastic body and end cover lumen also by Threaded engagement or snap-fitted connection.
3. fuse as claimed in claim 1, it is characterized in that:Connecting cylinder part is additionally provided with the first described plastic body;
The second described plastic body is provided with the first pontes and second connecting portion point, described the first pontes and end Lid assembling is fixed, and described second connecting portion point is fixed with the assembling of connecting cylinder part.
4. fuse as claimed in claim 2 or claim 3, it is characterized in that:Described ring set is in second connecting portion exceptionally wall On, described second connecting portion point is provided with connection bump, and the first described plastic body, which is provided with, engages dress with connection bump The connecting groove matched somebody with somebody, described second connecting portion point are assembled with by the first plastic body and the by connection bump and connecting groove The assembling of two plastic bodies is integral.
5. fuse as claimed in claim 2 or claim 3, it is characterized in that:The first engaging is additionally provided with the first described plastic body Projection, the first described snap fit tabs and the first slot snap-fit for being arranged on end cover lumen inwall;
Described the first pontes is provided with the second snap fit tabs, the second described snap fit tabs with end cover lumen inwall Second slot snap-fit.
6. fuse as claimed in claim 1, it is characterized in that:Described metal terminal, including, elastic conducting strip, elastic card Piece, bottom connecting plate, fixed side, described fixed side are connected with elastic card one end, and described elastic card is another End gradually offsets to the direction away from fixed side and is additionally provided with cooperation clamping sheet, described cooperation clamping sheet and bullet on this end Property card collectively form clamping slot, described clamping slot coordinates clamping with terminals;
Described elastic card has two and is separately fixed on the fixed side of both sides, and forms and lead between two elastic cards To groove, slot, described guide groove is tapered into from elastic card fixed side bearing to engaging well width.
7. fuse as claimed in claim 6, it is characterized in that:Reinforcement stator is provided with metal terminal, described adds Strong stator is provided with hangnail, and described the first terminal lock chamber and Second terminal are fixed cavity wall and be provided with strengthening stator The reinforcement fixing groove of assembling;Described at least one group of the assembling structure strengthened stator and strengthen fixing groove.
8. fuse as claimed in claim 1, it is characterized in that:Described wire insertion hole includes taper surface from outside to inside, Described taper surface does not run through the sealing loop section of whole seal.
9. fuse as claimed in claim 1, it is characterized in that:Described wire insertion hole is sequentially provided with guide cone from left to right Bore portion, straight hole part, end countersunk portion, described guiding taper hole part, straight hole part, end countersunk portion connect successively It is logical.
10. fuse as claimed in claim 1, it is characterized in that:Described wire insertion hole is sequentially provided with first from left to right Taper hole, the second sealing taper hole are sealed, the described first sealing taper hole, the second sealing taper hole are sequentially communicated, the described first sealing It is into the first snap fit tabs and the second snap fit tabs in sealing drum part outside taper hole, the second sealing taper hole.
11. fuse as claimed in claim 1, it is characterized in that:It is close that first is provided with first sealed end of the first plastic body Chamber is sealed, seal is installed in described first annular seal space, described seal is adjacent to sealing with first annular seal space side wall;
The first terminal lock chamber is arranged in the first assembled portion, and is provided with metal terminal in described the first terminal lock chamber;
Between described the first assembled portion and the second assembled portion formed the 3rd seal groove, the 3rd described seal groove built with Sealing ring, described sealing ring and the 3rd seal groove inwall are adjacent to sealing;
The second described assembled portion is arranged on the second plastic body, and fuse-link, metal are provided with Second terminal lock chamber Terminal, described fuse-link are contacted with the metal terminal at both ends and held out against;
The second described plastic body is provided with the second annular seal space, and for the second described annular seal space built with seal, described is close Sealing and the second annular seal space side wall are adjacent to sealing;
Described the first assembled portion, the second assembled portion is fitted into end cap and the first described assembled portion and end cap inwall Assembling is fixed.
CN201710833015.XA 2017-09-15 2017-09-15 A kind of fuse Active CN107424886B (en)

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CN107424886A true CN107424886A (en) 2017-12-01
CN107424886B CN107424886B (en) 2019-11-22

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108022815A (en) * 2018-01-24 2018-05-11 安徽锐能科技有限公司 A kind of fuse holder with water-proof function

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5018991A (en) * 1990-05-11 1991-05-28 Triplex Manufacturing Co. Fuse holder assembly
CN2277562Y (en) * 1996-12-23 1998-04-01 郑文宗 Terminal fuse base
US8454390B2 (en) * 2011-06-02 2013-06-04 Cooper Technologies Company Inline fuse holder assembly
CN202977351U (en) * 2012-11-16 2013-06-05 施特格亚太投资有限公司 Fuse tube socket used for solar-energy photovoltaic power generation system
CN104377097A (en) * 2013-08-14 2015-02-25 江苏嘉盟电力设备有限公司 Fuse cutout
CN105281140A (en) * 2015-11-24 2016-01-27 西安中熔电气有限公司 Miniature outdoor quick plug-type fuse base
CN205406467U (en) * 2016-02-24 2016-07-27 浙江新力熔断器有限公司 Fuse connection structure and connecting seat thereof
CN207264996U (en) * 2017-09-15 2018-04-20 秉岳电气(上海)有限公司 A kind of fuse

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108022815A (en) * 2018-01-24 2018-05-11 安徽锐能科技有限公司 A kind of fuse holder with water-proof function
CN108022815B (en) * 2018-01-24 2024-05-14 安徽锐能科技有限公司 Fuse base with waterproof function

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