CN208570512U - It is capable of the fuse of quick-replaceable melt - Google Patents

Abstract

The utility model relates to the fuses that one kind is capable of quick-replaceable melt, including cabinet, case lid, upper terminals, lower terminals, sliding slot, fixture block, jackscrew and melt, case lid side and cabinet are articulated and connected, the case lid other side is connect by lock with case lid, upper spacer is provided in cabinet, lower clapboard and side partition, upper spacer top is provided with terminals, lower clapboard lower end is provided with lower terminals, upper terminals are oppositely arranged with lower terminals, there are two sliding slots disposed in parallel for setting in cabinet between upper spacer and lower clapboard, multiple fixture blocks are provided in sliding slot, fixture block is slidably connected with respect to sliding slot, multiple fixture blocks are continuously arranged in sliding slot in "-" type, melt is connect by fixture block with sliding slot, jackscrew is provided on the partition of side, jackscrew front end holds out against fixture block, the utility model is that multiple melts are arranged side by side in cabinet, pass through jackscrew It pushes melt to move along track, bad melt is ejected, by between new melt jacking jointing, realizes the quick-replaceable of melt.

Description

It is capable of the fuse of quick-replaceable melt

Technical field

The utility model relates to electric elements technical fields, and in particular to one kind is capable of the fuse of quick-replaceable melt.

Background technique

Fuse can automatically cut off electricity in load short circuits as a kind of protection electric appliance being connected between power supply and load Road is protected the Electrical Safety of circuit, is widely used in electrical equipment.Fuse has been a kind of electricity of safeguard protection effect Device, the insulation blocking that it can be used between power supply and load, is also widely used as the protection of power grid and electrical equipment, when power grid or use When short circuit or overload occur for the route of electric equipment, fuse can automatic shutdown circuit to avoid electrical equipment damage prevent accident Sprawling.

The basic structure of fuse is mainly made of melt, load melt part and fuse base three parts.The function of melt It is that melt can be overheated and be fused when because circuit occurs to overload or short trouble causes electric current excessive, is set to play protection electricity consumption Standby effect.It carries melt part and fuse base has been support, insulation and protective effect, be made of insulating material.Carry melt part It is equipped with the cavity for placing melt, the two sides of cavity are provided with fuse moving contact, carries melt part and is made generally in and can grasp manually Make form, dismantles or be inserted into melt when replacing melt for operator.Having on fuse base can set on melt part with carrying The fixed contact and connecting terminal for the moving contact contact set, it is applied not only to install fixed melt, but also for realizing melt Being electrically connected between circuit.In the use process of fuse, the operation of replacement melt often will do it, i.e., old or melted Disconnected melt unloads, and changes new melt, and still, the fuse of the prior art is pressed when replacing melt, requires to melt bad Body removes, and new melt is installed in replacement, cumbersome, and inefficiency is unfavorable for saving human cost.

Utility model content

In conclusion the utility model provides one kind being capable of quick-replaceable in order to overcome the shortcomings of prior art problem The fuse of melt, it is that multiple melts are arranged side by side in fuse box body, pushes melt to move along track by jackscrew, will Bad melt ejection, by between new melt jacking jointing, realizes the quick-replaceable of melt.

In order to solve the above technical problems, the technical solution adopted by the utility model is:

A kind of fuse for capableing of quick-replaceable melt, in which: including cabinet, case lid, upper terminals, lower terminals, cunning Slot, fixture block, jackscrew and melt, the case lid side and cabinet are articulated and connected, and the case lid other side is connect by lock with case lid, Upper spacer, lower clapboard and side partition are provided in the cabinet, the upper spacer top is provided with terminals, lower clapboard Lower end is provided with lower terminals, and the upper terminals are oppositely arranged with lower terminals, the cabinet between upper spacer and lower clapboard Interior setting is provided with multiple fixture blocks in the sliding slot, fixture block is slidably connected with respect to sliding slot, institute there are two sliding slot disposed in parallel The multiple fixture blocks stated continuously arrange that melt is connect by fixture block with sliding slot in sliding slot in "-" type, set on the side partition It is equipped with jackscrew, jackscrew front end holds out against fixture block.

Further, the upper terminals and lower terminal structure are identical, include shield, binding post, connecting column, ball Shape connector, insulation sleeve and spring, the shield are insulation protective hood, and shield is fastenedly connected with upper spacer or lower clapboard, Binding post is coated on the shield, one end that the binding post is located at outside shield is provided with crimping nut, conducting wire It is connected on binding post by crimping nut, is provided with spliced eye in one end that the binding post is located in shield, it is described Spliced eye in be coated with connecting column, one end of the connecting column is inserted into spliced eye, the other end of connecting column and spherical Connector connection is set with insulation sleeve outside the connecting column, is set with spring outside the insulation sleeve, the upper spacer and under The open-work for facilitating globe joint flexible is provided on partition.

Further, the one end of the connecting column connected with spliced eye inserting is provided with card slot, sets in the card slot It is equipped with snap ring, connecting column is connect with spliced eye inner wall by snap ring.

Further, the insulation sleeve is elastic insulated rubber sleeve, and cannula portion and cross sectional shape including integral structure are The spherical shell portion of arc, the cannula portion are sleeved on outside binding post and connecting column, and spherical shell portion is contacted with globe joint.

Further, the globe joint is copper ball.

Further, the cross sectional shape of the sliding slot is dove-tail form.

Further, the fixture block includes the elastic card that clamping block, light beam and cross sectional shape are arc, the light beam One end connect clamping block, the other end of light beam connects elastic card, and the outer diameter E of the light beam is less than the width of clamping block Spend the opening width size B that size A is less than sliding slot, the setting direction of the length C of the clamping block and the width D of elastic card Direction it is parallel.

Further, after elastic press, case lid and cabinet are provided on the inside of the case lid by lock connection, elastic press It is fitted on melt.

Further, it is provided with indicator light on the case lid, is provided with indicator light terminals, the instruction on the inside of case lid After the front end of lamp terminals is provided with spring leaf, case lid and cabinet by lock connection, spring leaf is fitted on melt, described Indicator light terminals connect a link electrode of indicator light, another link electrode connection of the indicator light by electric wire Grid zero line.

Further, the indicator light terminals are corresponding with the lower part of melt.

The utility model has the following beneficial effects:

1, the utility model is that multiple melts are arranged side by side in fuse box body, pushes melt to move along track by jackscrew It is dynamic, bad melt is ejected, by between new melt jacking jointing, realizes the quick-replaceable of melt.

2, the fixture block of the utility model and sliding slot cooperate, and under the action of jackscrew, fixture block can be pushed to move along the chute It is dynamic, meanwhile, fixture block has clamping melt, to realize the mobile replacement of melt, sliding slot uses dovetail type groove, the clamping block of fixture block with After sliding slot connection, dove-tail form structure effectively can prevent fixture block from slipping out of sliding slot, prevent melt from falling off, and guarantee melt along sliding Slot is mobile.

3, indicator light is set on the case lid of the utility model, and a link electrode of indicator light passes through spring leaf and instruction Lamp terminals connect melt lower part, and general melt is connected on the firewire of power grid, and when melt is normal, electric current is passed by melt It is delivered on indicator light, another link electrode of indicator light connects zero curve, then, when melt is normal, indicator light is lighted, melt fusing Afterwards, indicator light off, can help to judge melt it is whether normal, while also can auxiliary judgment melt whether replace in place.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the A-A schematic cross-sectional view of the utility model Fig. 1；

Fig. 3 is the upper terminals of the utility model and the structural schematic diagram of lower terminals；

Fig. 4 is the structural schematic diagram of the snap ring of the utility model；

Fig. 5 is the structural schematic diagram of the fixture block of the utility model；

Fig. 6 is the fixture block and sliding slot attachment structure schematic diagram of the utility model.

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawing.

As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, a kind of fuse for capableing of quick-replaceable melt, including cabinet 1, Case lid 2, upper terminals 3, lower terminals 4, sliding slot 5, fixture block 6, jackscrew 7 and melt 8,2 side of case lid and cabinet 1 are hinged Connection, 2 other side of case lid by lock is connect with case lid 2, be provided in the cabinet 1 upper spacer 9, lower clapboard 10 and side every Plate 11,9 top of upper spacer are provided with terminals 3, and 10 lower end of lower clapboard is provided with lower terminals 4, it is described on connect Line end 3 is oppositely arranged with lower terminals 4, and there are two cunnings disposed in parallel for setting in the cabinet 1 between upper spacer 9 and lower clapboard 10 Slot 5, the cross sectional shape of sliding slot 5 are dove-tail form, and multiple fixture blocks 6 are provided in the sliding slot 5, and fixture block 6 connects with respect to the sliding of sliding slot 5 It connects, multiple fixture blocks 6 are continuously arranged in sliding slot 5 in "-" type, and melt 8 is connect by fixture block 6 with sliding slot 5, described Jackscrew 7 is provided on side partition 11,7 front end of jackscrew holds out against fixture block 6.The fixture block 6 includes clamping block 61, light beam 62 and section Shape is the elastic card 63 of arc, and one end of the light beam 62 connects clamping block 61, and the other end of light beam 62 connects elasticity Card 63, the width dimensions A that the outer diameter E of the light beam 62 is less than clamping block 61 are less than the opening width size of sliding slot 5 The setting direction of B, the length C of the clamping block 61 are parallel with the direction of the width D of elastic card 63.

The upper terminals 3 and 4 structure of lower terminals are identical, include shield 12, binding post 13, connecting column 14, Globe joint 15, insulation sleeve 16 and spring 17, the shield 12 are insulation protective hood 12, shield 12 and upper spacer 9 or Lower clapboard 10 is fastenedly connected, and binding post 13 is coated on the shield 12, and the binding post 13 is located at outside shield 12 One end be provided with crimping nut 18, conducting wire 25 by crimp nut 18 be connected on binding post 13, the binding post 13 In being provided with spliced eye 19 in one end in shield 12, connecting column 14, the connection are coated in the spliced eye 19 One end of column 14 is inserted into spliced eye 19, and the other end of connecting column 14 is connect with globe joint 15, and globe joint 15 is copper ball, The one end of the connecting column 14 connected with the inserting of spliced eye 19 is provided with card slot, is provided with snap ring in the card slot 20, connecting column 14 is connect with 19 inner wall of spliced eye by snap ring 20, is set with insulation sleeve 16 outside the connecting column 14, absolutely Edge set 16 is elastic insulated rubber sleeve, and cannula portion 161 and cross sectional shape including integral structure are the spherical shell portion 162 of arc, institute The cannula portion 161 stated is sleeved on outside binding post 13 and connecting column 14, and spherical shell portion 162 is contacted with globe joint 15, the insulation It is set with spring 17 outside set 16, facilitate globe joint 15 flexible saturating is provided on the upper spacer 9 and lower clapboard 10 Hole.

After elastic press 21, case lid 2 and cabinet 1 are provided on the inside of the case lid 2 by lock connection, elastic press 21 It is fitted on melt 8.It is provided with indicator light 22 on the case lid 2, indicator light terminals 23 are provided on the inside of case lid 2, it is described The front ends of indicator light terminals 23 be provided with spring leaf 24, after case lid 2 and cabinet 1 are by lock connection, spring leaf 24 is pressed On melt 8, the indicator light terminals 23 connect a link electrode of indicator light 22, the indicator light by electric wire 22 another link electrode connects grid zero line, and the indicator light terminals 23 are corresponding with the lower part of melt 8.

In use, the indicator light 22 on case lid 2 lights when 8 normal use of melt, and after melt 8 fuses, indicator light 22 It going out, needs replacing melt 8, at this point, opening case lid 2, turn jackscrew 7, jackscrew 7 pushes 5 movement along the chute of the fixture block 6 in sliding slot 5, Since multiple fixture blocks 6 are arranged in sliding slot 5 in continuous "-" type, then under the impetus of jackscrew 7, the melt 8 of fusing is pushed away Out, new complete melt 8 promotes between upper terminals 3 and lower terminals 4, at this point, by the melt 8 and corresponding fixture block of fusing 6 remove out of sliding slot 5.Case lid 2 is closed, indicator light 22 lights again, illustrates 8 installation and replacement of melt in place.

The upper terminals 3 and 4 structure of lower terminals of the utility model are identical, are all made of telescopic globe joint 15, top Silk 7 pushes in 6 moving process of fixture block, and 8 upper and lower ends of melt squeeze globe joint 15, compressed spring 17, in the elastic force of spring 17 Under effect, the globe joint 15 of upper and lower ends compresses melt 8.

It is noted that above-described embodiment is the affiliated technology neck to the illustrative and not limiting of technical solutions of the utility model The equivalent replacement of domain those of ordinary skill or the other modifications made according to the prior art, as long as not exceeding the utility model skill The thinking and range of art scheme, should be included within interest field required by the utility model.

Claims (4)

1. the fuse that one kind is capable of quick-replaceable melt, it is characterised in that: including cabinet, case lid, upper terminals, lower wiring End, sliding slot, fixture block, jackscrew and melt, the case lid side and cabinet are articulated and connected, and the case lid other side passes through lock and case lid It connecting, is provided with upper spacer, lower clapboard and side partition in the cabinet, the upper spacer top is provided with terminals, Lower clapboard lower end is provided with lower terminals, and the upper terminals are oppositely arranged with lower terminals, between upper spacer and lower clapboard Cabinet in setting there are two sliding slot disposed in parallel, multiple fixture blocks are provided in the sliding slot, fixture block is with respect to sliding slot sliding Connection, multiple fixture blocks continuously arrange that melt is connect by fixture block with sliding slot in "-" type in sliding slot, the side every Jackscrew is provided on plate, jackscrew front end holds out against fixture block, and elastic press is provided on the inside of the case lid, and case lid and cabinet pass through lock After button connection, elastic press is fitted on melt, and indicator light is provided on the case lid, indicator light is provided on the inside of case lid and connects Line end, after the front end of the indicator light terminals is provided with spring leaf, case lid and cabinet by lock connection, spring leaf press fitting On melt, the indicator light terminals by electric wire connect indicator light a link electrode, the indicator light it is another One link electrode connects grid zero line.

2. the fuse according to claim 1 for capableing of quick-replaceable melt, it is characterised in that: the section of the sliding slot Shape is dove-tail form.

3. the fuse according to claim 1 for capableing of quick-replaceable melt, it is characterised in that: the fixture block includes card The elastic card that block, light beam and cross sectional shape are arc is connect, one end of the light beam connects clamping block, and the other end of light beam connects Elastic card is connect, the width dimensions A that the outer diameter E of the light beam is less than clamping block is less than the opening width size B of sliding slot, The setting direction of the length C of the clamping block is parallel with the direction of the width D of elastic card.

4. the fuse according to claim 1 for capableing of quick-replaceable melt, it is characterised in that: the indicator light wiring It holds corresponding with the lower part of melt.