CN205944014U - Integral electric conductor and double - circuit fuse - Google Patents

Abstract

The utility model provides an integral electric conductor with install the double - circuit fuse of this integral electric conductor, integral electric conductor for whole of integrated into one piece, including conducting strip portion with establish the conductive jaw portion in conducting strip portion both sides, the double - circuit fuse includes upper cover, base and forms two fuses wiring return circuits in upper cover and base, fuse that every fuse wiring return circuit all includes two electric conductors and is located between two electric conductors and is connected with the electric conductor electricity, but the fuse plug settle in the upper cover, the electric conductor is integral electric conductor, the conductive jaw portion of integral electric conductor and the fuse is electric is connected. Integrated into one piece's integral electric conductor is adopted in this application, so its manufacturing is efficient to improve the manufacturing efficiency of double - circuit fuse, the conducting strip portion and the electric conductive property between the conductive jaw portion of integral electric conductor are reliable, stable, can improve the electrically conductive reliability of integral electric conductor self, and then guarantee the job stabilization nature and the reliability of double - circuit fuse.

Description

Monoblock type electric conductor and two-way fuse

Technical field

This utility model is related to fuse field, more particularly to a kind of monoblock type electric conductor and two-way fuse.

Background technology

Fuse mainly includes electric conductor and electric fuse, when the electric current in circuit exceedes setting, is produced with itself Heat blows a fuse, thus disconnecting circuit, it is widely used in high and low voltage electric distribution system, control system, electricity consumption set In the equipment such as standby, as the circuit brake of short circuit and overcurrent.At present, the equipment in some fields (such as photovoltaic combiner box) Need to use dozens of, multichannel wiring realized by the fuse of even more number, now, multiple single channel fuses are mounted side by side Afterwards, its to take volume very big, and then expand the volume of equipment using single channel fuse, size and cost.

For this reason, the Chinese invention patent application description of Application No. 201510552619.8 discloses a kind of two-way fusing Device, this two-way fuse includes two protective tubes and four electric conductors, realizes two-way wiring, to reduce the width of two-way wiring with this Degree, and then save the taking up room and volume of fuse, final reduction needs the volume of equipment using multiple fuses, size And cost.But, there is following defect in actual applications in above-mentioned two-way fuse：

1st, it is welded with conductive clip in the end of each electric conductor, and conductive clip is clamped in the two of protective tube Side, realize conducting between electric conductor and protective tube, because electric conductor and conductive clip are to be welded and fixed and both thickness Inconsistent it is however generally that, the thickness of conductive clip is less than the thickness of electric conductor, thus there is failure welding, welding efficiency is low asks Topic, and then affect the using effect of two-way fuse.

2nd, the insulation effect of above-mentioned two-way fuse is not good, is particularly easy to lead in two-way wiring in two-way fuse Between place and two ends at occur short circuit, and then lead to the two-way wiring in two-way fuse be stagger up and down and two-way wiring exist Two-way fuse identical with end polarity, thus lead to using this two-way fuse equipment connect up disunity, wiring Height up and down, impact is attractive in appearance.

3rd, the attachment structure of the upper lid and bottom seat in above-mentioned two-way fuse is：Open up solid in the left and right sides of upper lid lower end Determine hole, open up Elastic buckle in the left and right sides of base lower end, after upper lid is enclosed within base downwards, Elastic buckle is just stuck in In fixing hole, and then upper lid and bottom seat is connected；Therefore, upper lid and bottom seat is non-removable connection, once both are torn open From then going up lid and bottom seat all unavailable, thus leading to the wasting of resources.

4th, electric conductor and conductive clip variable thickness cause, therefore material consumption is more, and difficulty of processing is big, high cost.

Utility model content

The shortcoming of prior art in view of the above, the purpose of this utility model is to provide a kind of monoblock type electric conductor, The low problem of the failure welding that avoids being welded to connect and cause because of conductive clip and electric conductor in prior art, welding efficiency.

For achieving the above object, this utility model provides a kind of monoblock type electric conductor, and described monoblock type electric conductor is integrated The single piece of molding, include conducting strip portion and the conductive clip portion that is located at conducting strip portion both sides, described conductive clip portion be used for and Electric fuse electrically connects.

As described above, the monoblock type electric conductor that this utility model is related to, have the advantages that：

The single piece that monoblock type electric conductor in the application is formed in one, it disposably gets final product machine-shaping, therefore it adds Work manufacture efficiency is high, and the electric conductivity between conducting strip portion and conductive clip portion is reliable, stable, and then it is conductive to improve monoblock type The conductive reliability of body itself.

Another object of the present utility model is to provide a kind of two-way fuse, and it adopts monoblock type electric conductor, to avoid The low problem of the failure welding that is welded to connect and causes because of conductive clip and electric conductor in prior art, welding efficiency.

For achieving the above object, this utility model provides a kind of two-way fuse, including on lid, base and being formed at Two fuse connection circuits in upper lid and bottom seat, every fuse connection circuit all includes two electric conductors and is located at The electric fuse electrically connecting between two electric conductors and with electric conductor, described electric fuse is placed in lid pluggablely, described leads Single piece, inclusion conducting strip portion and the conductive clip portion being located at conducting strip portion both sides that electric body is formed in one, described conductive clamp Piece portion is electrically connected with electric fuse.

Further, the cross section in described conducting strip portion is in groove type, including positioned at middle conducting strip body and position In conducting strip body both sides and bending extend conducting strip reinforcing portion, described conducting strip body and two conducting strip reinforcing portion Between formed fluted.

Preferably, offer inner chamber in described upper lid, described base is provided with the supporter in inner chamber, described insurance Silk is placed in the inner chamber of lid pluggablely；Described supporter is provided with multiple support bases, the upper end of each support base be provided with to Supporting part that is upper prominent and being adapted with the shape of groove, described conducting strip portion is supported on support base, and the support of support base Portion is located in the groove in conducting strip portion.

Further, described conductive clip portion is located at the inner of electric conductor, is additionally provided between described upper lid and bottom seat Four pressing line frame assemblies, four pressing line frame assemblies are located at the outer end of four electric conductors respectively；Each pressing line frame assembly includes It is provided with fixed frame, pressure-ray film moving up and down and the rotatable line pressing bolt of Wire channel in building, the Wire channel in building of four fixed frames Respectively be opened in four entrance holes covering and connect, in described electric conductor, the outer end in conducting strip portion is placed in the bottom of Wire channel in building Portion, described pressure-ray film includes upper pressure-ray film portion, middle pressure-ray film portion and the lower pressure-ray film portion that bending successively is connected, described lower line ball Piece portion is located in Wire channel in building and is oppositely arranged up and down with conducting strip portion, and the two ends of described line pressing bolt are located in line ball respectively In the upper plate portion of piece portion and fixed frame, and line pressing bolt is threadeded with the upper plate portion of fixed frame, the lower end of line pressing bolt pushes against On the upper surface in lower pressure-ray film portion.

Preferably, described line pressing bolt is provided with the spacing plain cushion formula brain head positioned at line pressing bolt head lower end side, described The first through hole that diameter is less than spacing plain cushion formula brain head, the head of described line pressing bolt is offered in the upper pressure-ray film portion of pressure-ray film Be located in first through hole and spacing plain cushion formula brain head be located at upper pressure-ray film portion lower section.

Further, every fuse connection circuit extends all along before and after the length direction of two-way fuse；Along front and back To two about the pressing line frame assemblies being distributed side by side being located at two-way fuse the same side flush setting up and down, are opened in lid Two of the same side about the entrance hole that is distributed side by side flush setting up and down.

Preferably, the upper surface in the lower surface in described lower pressure-ray film portion and the conducting strip portion being placed in Wire channel in building is constituted and electricity The line ball face that line contacts, described line ball face is provided with anti-slip veins.

Further, described upper lid and bottom seat is provided with insulation system, for two fuse connection circuits of insulation；Described Insulation system includes the first insulation partition assembly of the bearing of trend setting along before and after fuse connection circuit, is located at fuse wiring Loop middle second insulation partition assembly and be located at fuse connection circuit rear and front end the 3rd insulation cut-off group Part, described first insulation partition assembly includes the first insulation cut-off rib projecting upwards from base and is formed at upper lid In and opening direction the first insulation partition grooves, described second insulation partition assembly includes being located at the twice covering second and insulate Cut-off rib, is formed with part first insulation partition grooves between twice second insulation cut-off rib；Described 3rd insulation cut-off group Part includes the second insulation partition grooves being opened on base and is located at the 3rd insulation cut-off rib covering；When upper lid and After base fastens, described first insulation cut-off rib is inserted in the first insulation partition grooves, described twice second insulation cut-off rib position Before and after part first insulation cut-off rib, both sides, described 3rd insulation cut-off rib are inserted in the second insulation partition grooves, described First insulation partition assembly, the second insulation partition assembly, the 3rd insulation partition assembly are all located at two articles of fuse connection circuits Electric conductor between electric conductor, for isolating two fuse connection circuits.

Preferably, the left and right sides of described upper lid lower end all offers multiple fixing holes, the left and right two of described base lower end Side is provided with multiple free standing spring buckles being oppositely arranged with fixing hole, is provided with change between described free standing spring buckle and base Shape space, the free standing spring on described base snaps through the fixing hole that described deformation space is detachably connected to lid In.

As described above, the two-way fuse that this utility model is related to, have the advantages that：

Two-way fuse in the application adopts integrally formed monoblock type electric conductor, and monoblock type conduction body disposable is Can machine-shaping, therefore its processing and manufacturing efficiency high, thus improve the processing and manufacturing efficiency of two-way fuse；In addition, monoblock type is led Electric conductivity between the conducting strip portion of electric body and conductive clip portion is reliable, stable, thus monoblock type electric conductor itself can be improved Conductive reliability, and then ensure the job stability of two-way fuse and reliability.

Brief description

Fig. 1 is the structural representation of two-way fuse in the application.

Fig. 2 and Fig. 3 is respectively right view and the front view of Fig. 1.

Fig. 4 is the explosive view of Fig. 1.

Fig. 5 is the connection diagram of two fuse connection circuits and base in the application.

Fig. 6 is the top view of Fig. 5.

Fig. 7 is the structural representation of two fuse connection circuits in the application.

Fig. 8 and Fig. 9 is the structural representation of second, third electric conductor in the application.

Figure 10 and Figure 11 is the structural representation of the first, the 4th electric conductor in the application.

Figure 12 is the structural representation of pressing line frame assembly in the application.

Figure 13 is the explosive view of Figure 12.

Figure 14 is the connection diagram of electric fuse and handle in the application.

Figure 15 is the structural representation of insulation system on upper lid and bottom seat in the application.

(in Figure 15, the view direction of upper lid is upward view, and the view direction of base is top view.)

Figure 16 is the connection diagram of base and clamp in the application.

Figure 17 is the structural representation of upper lid in the application.

Figure 18 is the polycrystalline substance schematic diagram of base in the application.

Figure 19 is structure chart when two two-way fuses are mounted side by side in the application.

Component label instructions

1 electric conductor

11 conducting strip portions

111 conducting strip bodies

112 conducting strip reinforcing portion

113 grooves

12 conductive clip portions

13 first electric conductors

14 second electric conductors

15 the 3rd electric conductors

16 the 4th electric conductors

2 electric fuses

21 first electric fuses

22 second electric fuses

Cover on 3

31 inner chambers

32 entrance holes

321 first entrance holes

322 second entrance holes

323 the 3rd entrance holes

324 the 4th entrance holes

33 first insulation partition grooves

34 second insulation cut-off ribs

35 the 3rd insulation cut-off ribs

36 fixing holes

37 second through holes

38 side louvres

39 first radiating surfaces

310 second radiating surfaces

311 heat-dissipating spaces

4 bases

41 supporters

411 support bases

412 supporting parts

42 first insulation cut-off ribs

421 lengthways of rod

422 horizontal ribs

43 second insulation partition grooves

44 free standing spring buckles

45 deformation spaces

46 bottom heat radiation holes

47 material reducing grooves

48 limited blocks

6 pressing line frame assemblies

61 fixed frames

611 Wire channel in building

62 pressure-ray films

Pressure-ray film portion on 621

622 middle pressure-ray film portions

623 times pressure-ray film portions

624 first through holes

63 line pressing bolt

631 spacing plain cushion formula brain heads

7 handles

71 first handles

72 second handles

73 host cavities

74 elastic bars

8 jump rings

9 clamps

Specific embodiment

Hereinafter embodiment of the present utility model is illustrated by particular specific embodiment, those skilled in the art can be by this Content disclosed by description understands other advantages of the present utility model and effect easily.

It should be clear that structure depicted in this specification institute accompanying drawings, ratio, size etc., all only in order to coordinate description to be taken off The content shown, so that those skilled in the art understands and reads, is not limited to this utility model enforceable restriction bar Part, therefore do not have technical essential meaning, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting Under effect that this utility model can be generated by and the purpose that can reach, in the technology that all should still fall disclosed in this utility model In the range of Rong get Neng is covered.Meanwhile, in this specification cited as " on ", D score, "left", "right", " middle " and " one " Deng term, be merely convenient to describe understand, and be not used to limit the enforceable scope of this utility model, its relativeness It is altered or modified, under no essence change technology contents, when being also considered as the enforceable category of this utility model.

In below implementing, all directions are defined as follows：The length direction of two-way fuse is defined as fore-and-aft direction, will be double The width of road fuse is defined as left and right directions, and the short transverse of two-way fuse is defined as above-below direction.

The application provides a kind of monoblock type electric conductor and the two-way fuse being provided with this monoblock type electric conductor, described two-way Fuse is used for two-way wiring side by side about same fuse is realized, and comes in shortening equipment between two-way wiring with this Width, thus size and the cost of equipment can be reduced.Specifically, as shown in Figures 1 to 7, described two-way fuse includes lid 3rd, base 4 and be formed at lid 3 and base 4 in two fuse connection circuits, described upper lid 3 and base 4 by insulation Material is made, both form the insulation crust of two-way fuse after connecting；Every fuse connection circuit all includes two conductions Body 1 and the electric fuse 2 being located between two electric conductors 1 and electrically connecting with electric conductor 1, therefore, a two-way fuse has Four electric conductors 1 and two electric fuses 2, two electric fuses 2 are placed in lid 3 all pluggablely, and four electric conductors 1 are all whole Body formula electric conductor, as shown in Figs. 8 to 11, single piece that described monoblock type electric conductor is formed in one, include conducting strip portion 11 With the conductive clip portion 12 being located at conducting strip portion 11 both sides, described conductive clip portion 12 electrically connected with electric fuse 2, thus by every Two electric conductors 1 in fuse connection circuit are electrically connected with an electric fuse 2.

Above-mentioned two-way fuse adopts integrally formed monoblock type electric conductor, and monoblock type conduction body disposable can be processed Molding, therefore its processing and manufacturing efficiency high, thus improve the processing and manufacturing efficiency of two-way fuse；In addition, with respect to prior art For the electric conductor of middle welded structure, in the application between the conducting strip portion 11 of monoblock type electric conductor and conductive clip portion 12 Electric conductivity is reliable, stable, will not because in prior art failure welding and short with the weld appearance of conductive clip in electric conductor 1 The phenomenons such as road, open circuit, thus the conductive reliability of monoblock type electric conductor itself can be improved, and then ensure the work of two-way fuse Stability and reliability.In addition, in order to improve the reliability electrically connecting between the conductive clip portion 12 of electric conductor 1 and electric fuse 2, As shown in figure 4, the periphery in the conductive clip portion 12 of each electric conductor 1 is provided with jump ring 8, in the presence of jump ring 8 elastic force, Conductive clip portion 12 is made only to be clamped in the periphery of electric fuse 2, so that it is guaranteed that electrically connecting between electric conductor 1 and electric fuse 2 Reliability and stability, and then improve the functional reliability of two-way fuse and stability.

Preferably, described monoblock type electric conductor is shaped by mould, and monoblock type electric conductor is scale copper, according to Thick copper sheet, then it is just without elasticity, therefore the conductive clip portion 12 of electric conductor 1 just makes to lose function.For this reason, scale copper structure Monoblock type electric conductor integral thickness equal, be about 0.6mm-0.8mm, such that it is able to save the material usage of electric conductor 1, section Cost-saving.Because monoblock type electric conductor is very thin, therefore it is easily deformed in laminar conducting strip portion 11 and conductive section is little, because This, as shown in Figs. 8 to 11, the application carries out bending scratching process to the both sides in conducting strip portion 11, makes conducting strip portion 11 Cross section be in groove type, similar to channel-section steel structure, that is, conducting strip portion 11 is included positioned at middle conducting strip body 111 and position In conducting strip body 111 both sides and the conducting strip reinforcing portion 112 that extends of bending, described conducting strip body 111 and two lead Form fluted 113, thus the structural strength in conducting strip portion 11 can be strengthened and increases conductive cutting between electric piece reinforcing portion 112 Face is so that the conducting strip portion 11 of channel-section steel structure is unlikely to deform for laminar conducting strip portion 11, and ensures enough Conductive section.

Further, as shown in Figures 5 to 7, in above-mentioned two-way fuse, four electric conductors 1 are respectively the first electric conductor 13rd, the second electric conductor 14, the 3rd electric conductor 15 and the 4th electric conductor 16, two electric fuses 2 are respectively the first electric fuses 21 and the Two electric fuses 22, described first electric conductor 13, the first electric fuse 21 and the second electric conductor 14 are sequentially connected electrically composition first fusing Device connection circuit, described 3rd electric conductor 15, the second electric fuse 22 and the 4th electric conductor 16 are sequentially connected electrically composition second fusing Device connection circuit, is distributed and constitutes two-way fusing about described first fuse connection circuit and second fuse connection circuit Two fuse connection circuits of device, two fuse connection circuits extend all along before and after the length direction of two-way fuse.As Shown in Fig. 4, offer inner chamber 31 in described upper lid 3, described first electric fuse 21 and the second electric fuse 22 are placed in pluggablely In the inner chamber 31 of lid 3；Described base 4 is provided with the supporter 41 in inner chamber 31, for supporting four electric conductors 1, described Supporter 41 is provided with the support base 411 of multiple distributions of the length direction time interval along electric conductor 1, each support base 411 Upper end is provided with the supporting part 412 projecting upwards and being adapted with the shape of groove 113,11, the conducting strip portion of described electric conductor 1 Support on support base 411, and the supporting part 412 of support base 411 is located in the groove 113 in conducting strip portion 11, to improve electric conductor 1 Connection reliability and base 4 between.In addition, by conducting strip portion 11 upper groove 113 with base 4 supporting part 412 mutual Cooperation can limit movement on left and right directions and fore-and-aft direction for the conducting strip portion 11.For the ease of plugging two electric fuses 2, such as scheme Shown in 4, two electric fuses 2 are separately mounted in two handles 7, and two handles 7 are respectively and are used for installing the first electric fuse 21 First handle 71 and the second handle 72 for installing the second electric fuse 22, described first handle 71 and second handle 72 by Insulant make and all pluggable the inner chamber 31 being placed in lid 3 in.

The operation principle of above-mentioned two-way fuse is as follows：When the electric current in first fuse connection circuit because short circuit, Failure and other reasons and excessive when, the first electric fuse 21 is blown, to disconnect first fuse connection circuit, play protection first melt The effect of disconnected device connection circuit；When the electric current in second fuse connection circuit because short circuit, failure and other reasons and excessive when, Second electric fuse 22 is blown, and to disconnect second fuse connection circuit, plays the effect of protection second fuse connection circuit； When the first electric fuse 21 or the second electric fuse 22 are blown, the whole circuit of off device, by first handle 71 together with first Electric fuse 21, second handle 72 are extracted from upper lid 3 together with the second electric fuse 22, wait the first insurance more renewing after releasing fault Silk 21 or second electric fuse 22, then by first handle 71 together with the first new electric fuse 21, second handle 72 together with new second In lid 3 in electric fuse 22 insertion.

Preferably, for the ease of changing the first electric fuse 21 and the second electric fuse 22, described first electric fuse 21 and first Handle 71, the second electric fuse 22 are with second handle 72 and are detachably connected, and both Detachable connection structure are identical.Specifically Say, as shown in figure 14, be provided with described handle 7 and hold opening and the host cavity for housing electric fuse 2 that electric fuse 2 passes through 73, the upper end of host cavity 73 is provided with multiple elastic bars 74, and described elastic bar 74 is under one end of opening with host cavity 73 Vertical interval between end is less than the external diameter of electric fuse 2.When electric fuse 2 is when the side of handle 7 loads handle 7, by bullet Property rib 74 elastic deformation upwards make opening become big；After electric fuse 2 is fully enclosed in handle 7, elastic bar 74 resets, opens Mouth also resets, thus electric fuse 2 is stuck in the host cavity 73 of handle 7 so that electric fuse 2 will not drop out easily.Therefore, pass through Said structure can easily change electric fuse 2, and said structure can effectively prevent the accident of electric fuse 2 from deviating from.

Further, as shown in Figure 6 and Figure 7, first fuse connection circuit and second fuse connection circuit are along two-way Extend before and after the length direction of fuse, therefore, four electric conductors 1 also extend all along before and after the length direction of two-way fuse, Wherein, the first electric conductor 13 be the shorter short conductors of length with the 4th electric conductor 16, both structures identical, the second electric conductor 14 He 3rd electric conductor 15 is the longer long conductor of length, both structures are identical, and the first electric conductor 13, the first electric fuse 21 and second are led Electric body 14 is arranged from front to back successively, and the 3rd electric conductor 15, the second electric fuse 22 and the 4th electric conductor 16 are arranged from front to back successively Cloth.In order to external cable is connected with fuse, described upper lid 3 offers four entrance holes 32,32 points of four entrance holes It is not：The first entrance hole 321 positioned at the first electric conductor 13 front side, be located at the second electric conductor 14 rear side the second entrance hole 322, The 3rd entrance hole 323 and the 4th entrance hole 324 being located at the 4th electric conductor 16 rear side positioned at the 3rd electric conductor 15 front side.

On four electric conductors 1, the conductive clip portion 12 of setting is located at the inner of respective electric conductor 1, meanwhile, four conductions It is additionally provided with the outer end of body 1 positioned at the pressing line frame assembly 6 between upper lid 3 and base 4, for by external cable and electric conductor 1 Electrical connection, be provided with pressing line frame assembly 6 at the front end of the first electric conductor 13, rear end is provided with conductive clip portion 12, second leads It is provided with conductive clip portion 12 at the front end of electric body 14, rear end is provided with pressing line frame assembly 6, be provided with the front end of the 3rd electric conductor 15 Pressing line frame assembly 6, rear end are provided with conductive clip portion 12, are provided with conductive clip portion 12, rear end at the front end of the 4th electric conductor 16 Place is provided with pressing line frame assembly 6.In the application, four electric conductor 1 thickness only 0.6mm-0.8mm about, therefore electric conductor 1 is very Thin, if pressing line frame assembly 6 adopts structure of the prior art, it is easily caused laminar electric conductor 1 and deforms.For this reason, this Shen Please preferably employ following structure by middle pressing line frame assembly 6：As shown in Figure 12 and Figure 13, each pressing line frame assembly 6 includes being provided with and wears The fixed frame 61 of wire casing 611, pressure-ray film moving up and down 62 and line pressing bolt 63 rotatable and moving up and down, four The Wire channel in building 611 of individual fixed frame 61 is connected with four entrance holes 32 being opened on upper lid 3 respectively, conductive in described electric conductor 1 The outer end in piece portion 11 is placed in the bottom of Wire channel in building 611, and described pressure-ray film 62 is in generally the U-shaped of horizontally set, and pressure-ray film 62 wraps Include upper pressure-ray film portion 621, middle pressure-ray film portion 622 and the lower pressure-ray film portion 623 that bending successively is connected, described lower pressure-ray film portion 623 are located in Wire channel in building 611 and are oppositely arranged about 11 with conducting strip portion, and the upper and lower ends of described line pressing bolt 63 are worn respectively It is located in pressure-ray film portion 621 and the upper plate portion of fixed frame 61, and line pressing bolt 63 is connected for screw thread with the upper plate portion of fixed frame 61 Connect, therefore line pressing bolt 63 is located in the screwed hole of the upper plate portion of fixed frame 61, meanwhile, the lower end of line pressing bolt 63 is pushed against down On the upper surface in pressure-ray film portion 623.

The both sides in described lower pressure-ray film portion 623 are contacted with the inwall of Wire channel in building 611, therefore pressure-ray film 62 is in fixed frame 61 Only move up and down, not rotatable；Therefore, when two-way fuse being connected with external cable, first external cable is passed through upper lid 3 On entrance hole 32 be placed in the Wire channel in building 611 of pressing line frame and be located at the conducting strip portion 11 in lower pressure-ray film portion 623 and electric conductor 1 Between；Rotate line pressing bolt 63, line pressing bolt 63 can be made by the screw thread cooperation of line pressing bolt 63 and the upper plate portion of fixed frame 61 Move down while rotating again, and the lower end of line pressing bolt 63 is pushed against on the upper surface in lower pressure-ray film portion 623, therefore pressure Line screw 63 promotes lower pressure-ray film portion 623 to move down again, until electric wire is pressed on lower pressure-ray film portion 623 and conducting strip portion 11 Between.It can thus be appreciated that：During line ball, fixed frame 61 and electric conductor 1 are all fixed, and the conducting strip of electric conductor 1 Portion 11 is supported on the bottom surface of fixed frame 61 all the time, thus laminar conducting strip portion 11 can be avoided to deform.

Preferably, as shown in Figure 12 and Figure 13, described line pressing bolt 63 is provided with positioned at line pressing bolt 63 head lower end side Spacing plain cushion formula brain head 631, offer in the upper pressure-ray film portion 621 of described pressure-ray film 62 diameter be less than spacing plain cushion formula brain head 631 first through hole 624, the head of described line pressing bolt 63 is located in first through hole 624 and spacing plain cushion formula brain head 631 Positioned at the lower section in upper pressure-ray film portion 621, thus can prevent line pressing bolt 63 from deviating from from pressure-ray film 62 and anti-in line pressing bolt 63 While turning upper shifting, because the spacing plain cushion formula brain head 631 in line pressing bolt 63 is pushed against the lower surface in upper pressure-ray film portion 621 On, therefore line pressing bolt 63 drives the synchronously upper shifting of upper pressure-ray film portion 621.Meanwhile, described fixed frame 61, pressure-ray film 62 and line ball spiral shell Nail 63 is made of electrically conductive material；Second through hole 37 of up/down perforation, the head of described line pressing bolt 63 are offered on described upper lid 3 Portion exposes from the second through hole 37, but line pressing bolt 63 is located at lower section and the line pressing bolt 63 upper limit plain cushion of the second through hole 37 The diameter with diameter greater than the second through hole 37 of formula brain head 631, thus ensure operation while being easy to and rotate line pressing bolt 63 again Safety.The upper surface in the lower surface in described lower pressure-ray film portion 623 and the conducting strip portion 11 being placed in Wire channel in building 611 is constituted and electricity The line ball face that line contacts, described line ball face is provided with anti-slip veins, can increase the frictional force between line ball face and electric wire, prevent electricity Line is deviate from from the pressuring line groove of fixed frame 61.

Further, described upper lid 3 and base 4 are provided with insulation system, are used for two fuse connection circuits of insulation, are Raising insulation effect so that thoroughly insulate between two fuse connection circuits, as shown in Figure 6 and Figure 15, described insulation knot Structure includes the first insulation partition assembly of the bearing of trend setting along before and after fuse connection circuit, is located in fuse connection circuit Between place second insulation partition assembly and be located at fuse connection circuit rear and front end the 3rd insulation partition assembly.Institute State the first insulation cut-off rib 42 that the first insulation partition assembly includes projecting upwards from base 4 and be formed in upper lid 3 And opening direction first insulation partition grooves 33, described first insulation cut-off rib 42 include two lengthways of rod extending in front and back 421 and the horizontal rib 422 of one about extension, the inners of two lengthways of rod 421 can be connected by horizontal rib 422 Connect.Described second insulation partition assembly includes being located at the twice second insulation cut-off rib 34 on lid 3, twice second insulate every It is formed with part first insulation partition grooves 33 between break the muscle bar 34.Described 3rd insulation partition assembly includes being opened on base 4 Second insulation partition grooves 43 and be located at lid 3 on the 3rd insulation cut-off rib 35.After upper lid 3 and base 4 fasten, Described first insulation cut-off rib 42 is inserted in the first insulation partition grooves 33, and described twice second insulation cut-off rib 34 is located at the One insulation cut-off rib 42 horizontal rib 422 before and after both sides, described 3rd insulation cut-off rib 35 be inserted in the second insulation every Fault trough 43, therefore described first insulation partition assembly and the 3rd insulation partition assembly are located at two articles of fuse wiring in the lateral direction Electric conductor 1 between the electric conductor 1 in loop, for isolating two fuse connection circuits, described second insulation partition assembly exists It is located on fore-and-aft direction between the electric conductor 1 of two fuse connection circuits, for isolating leading of two fuse connection circuits Electric body 1, so that thoroughly insulating between the electric conductor 1 of two fuse connection circuits, particularly in two fuse wiring At middle that loop is easily short-circuited and two ends.

Thoroughly insulate due between the electric conductor 1 of two fuse connection circuits, therefore along the longitudinal direction, be located at two-way fusing Two of device the same side about the pressing line frame assembly that is distributed side by side flush setting about 6, be opened in two left sides of lid 3 the same sides The entrance hole that the right side is distributed side by side flushes setting about 32, is also：Two pressing line frame assemblies 6 on front side of two-way fuse are left The right side flushes setting side by side, up and down, and two on rear side of two-way fuse pressing line frame assembly 6 about flushes setting side by side, up and down, It is located at the first entrance hole 321 of lid 3 front side and the 3rd entrance hole 323 about flushes setting, after being located at lid 3 side by side, up and down Second entrance hole 322 of side and the 4th entrance hole 324 about flush setting side by side, up and down, so that four in two-way fuse Electrical wire wiring length at individual wiring point is consistent, and in two-way fuse two fuse connection circuits in the polarity of same end Can identical, may be reversed, the final equipment wiring ensureing using this two-way fuse is unified, attractive in appearance.

Preferably, as shown in Figure 15 and Figure 17, the left and right sides of described upper lid 3 lower ends all offers multiple fixing holes 36, The left and right sides of described base 4 lower end is provided with multiple free standing spring buckles 44 being oppositely arranged with fixing hole 36, described independence It is provided with deformation space 45 between formula Elastic buckle 44 and base 4, and deformation space 45 is located at the surrounding of free standing spring buckle 44； Therefore, when connecting or separating upper lid 3 and base 4, there is larger bullet by deformation space 45 in free standing spring buckle 44 Property deformation so that upper lid 3 be connected with base 4 or be separated, that is, the free standing spring buckle 44 on base 4 pass through described Deformation space 45 is detachably connected in the fixing hole 36 cover 3；I.e. free standing spring buckle 44 has following functions：Reliable Upper lid 3 is fixed on base 4 on ground, enables lid 3 repeated removal from base 4 simultaneously again, thus ensureing base 4 and upper lid 3 Be used for multiple times.

In order to improve the radiating effect of electric fuse 2, as shown in figure 17, described upper lid 3 the left and right sides all offer multiple The side louvre 38 being connected with inner chamber 31, multiple sides louvre 38 is located at the left and right sides of electric fuse 2；As shown in figure 18, institute Multiple bottom heat radiation holes 46 being connected with inner chamber 31 are offered on the lower surface stating base 4；A part of heat of electric fuse 2 leads to Cross bottom heat radiation hole 46 to dissipate, another part heat is dissipated by side louvre 38；In addition, two bottom heat radiation holes 46 with Top Liang Zu side louvre 38 forms convection current insertion, is more beneficial for integral heat sink.

Preferably, see Figure 17, described upper lid 3 is provided with two the first radiating surfaces being located at the first electric fuse 21 left and right sides 39 and two the second radiating surfaces 310 being located at the second electric fuse 22 left and right sides, described first radiating surface 39 and the second radiating Described side louvre 38 is all offered on face 310；In two the first radiating surfaces 39, the first radiating surface 39 positioned at left side is recessed to the right Enter, in two the second radiating surfaces 310, the second radiating surface 310 positioned at right side is recessed to the left；Or, two the first radiating surfaces 39 In, the first radiating surface 39 positioned at right side is recessed to the left, in two the second radiating surfaces 310, positioned at second radiating surface 310 in left side Recessed to the right.Therefore；When being mounted side by side about two two-way fuses, between two adjacent the first radiating surfaces 39, adjacent Two the second radiating surfaces 310 between be each formed with heat-dissipating space 311, as shown in figure 19, be beneficial to multiple two-way fuses simultaneously Radiating when row installs, can also reduce the material usage of upper lid 3, reduces cost simultaneously.

As shown in Figure 15 and Figure 16, on the lower surface of described base 4, on the supporter 41 of base 4, all offer multiple subtracting Hopper 47, to reduce the material usage of base 4, reduces cost.One clamp 9 is fixedly provided with the lower surface of described base 4, such as schemes Shown in 4 and Figure 16, two-way fuse can be arranged on guide rail by this clamp 9.It is additionally provided with limit on the lower surface of described base 4 Position block 48, for limiting movement on fore-and-aft direction and left and right directions for the clamp 9.

In sum, this utility model effectively overcomes various shortcoming of the prior art and has high industrial exploitation value Value.

Above-described embodiment only illustrative principle of the present utility model and its effect are new not for limiting this practicality Type.Any person skilled in the art all can be carried out to above-described embodiment without prejudice under spirit and the scope of the present utility model Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the essence disclosed in this utility model All equivalent modifications being completed under god and technological thought or change, must be covered by claim of the present utility model.

Claims (10)

1. a kind of monoblock type electric conductor it is characterised in that：The single piece that described monoblock type electric conductor is formed in one, inclusion are conductive Piece portion (11) and the conductive clip portion (12) being located at conducting strip portion (11) both sides, described conductive clip portion (12) is used for and electric fuse (2) electrically connect.

2. a kind of two-way fuse, including on lid (3), base (4) and be formed in upper lid (3) and base (4) two molten Disconnected device connection circuit, every fuse connection circuit all includes two electric conductors (1) and is located between two electric conductors (1) And the electric fuse (2) electrically connecting with electric conductor (1), described electric fuse (2) is placed in lid (3) pluggablely, and its feature exists In：Single piece that described electric conductor (1) is formed in one, include conducting strip portion (11) and be located at leading of conducting strip portion (11) both sides Electric clip portion (12), described conductive clip portion (12) is electrically connected with electric fuse (2).

3. two-way fuse according to claim 2 it is characterised in that：The cross section of described conducting strip portion (11) is in groove Shape, including positioned at middle conducting strip body (111) be located at the conduction that conducting strip body (111) both sides and bending extend Piece reinforcing portion (112), forms fluted between described conducting strip body (111) and two conducting strip reinforcing portion (112) (113).

4. two-way fuse according to claim 3 it is characterised in that：Inner chamber (31), institute is offered in described upper lid (3) State the supporter (41) that base (4) is provided with inner chamber (31), described electric fuse (2) is placed in Shang Gai's (3) pluggablely In inner chamber (31)；Described supporter (41) is provided with multiple support bases (411), and the upper end of each support base (411) is provided with upwards Supporting part (412) that is prominent and being adapted with the shape of groove (113), described conducting strip portion (11) is supported in support base (411) On, and the supporting part (412) of support base (411) is in the groove (113) in conducting strip portion (11).

5. two-way fuse according to claim 2 it is characterised in that：Described conductive clip portion (12) is located at electric conductor (1), at the inner, between described upper lid (3) and base (4), it is additionally provided with four pressing line frame assemblies (6), four pressing line frame assemblies (6) it is located at respectively at the outer end of four electric conductors (1)；Each pressing line frame assembly (6) includes being provided with the fixation of Wire channel in building (611) Frame (61), pressure-ray film moving up and down (62) and rotatable line pressing bolt (63), the Wire channel in building of four fixed frames (61) (611) connect with four entrance holes (32) being opened on upper lid (3) respectively, conducting strip portion (11) in described electric conductor (1) Outer end is placed in the bottom of Wire channel in building (611), described pressure-ray film (62) include upper pressure-ray film portion (621) that bending successively is connected, in Between pressure-ray film portion (622) and lower pressure-ray film portion (623), described lower pressure-ray film portion (623) be located at Wire channel in building (611) in and with lead Electric piece portion (11) is oppositely arranged up and down, and the two ends of described line pressing bolt (63) are located in pressure-ray film portion (621) respectively and fix In the upper plate portion of frame (61), and line pressing bolt (63) is threadeded with the upper plate portion of fixed frame (61), under line pressing bolt (63) End is pushed against on the upper surface of lower pressure-ray film portion (623).

6. two-way fuse according to claim 5 it is characterised in that：Described line pressing bolt (63) is provided with positioned at line ball Spacing plain cushion formula brain head (631) of screw (63) head lower end side, opens up in the upper pressure-ray film portion (621) of described pressure-ray film (62) Diameter is had to be less than the first through hole (624) of spacing plain cushion formula brain head (631), the head of described line pressing bolt (63) is located in first In through hole (624) and spacing plain cushion formula brain head (631) be located at upper pressure-ray film portion (621) lower section.

7. two-way fuse according to claim 5 it is characterised in that：Every fuse connection circuit all fuses along two-way Extend before and after the length direction of device；Along the longitudinal direction, it is located at two about the line balls being distributed side by side of two-way fuse the same side Frame assembly (6) flushes setting up and down, and two about the entrance holes being distributed side by side (32) being opened in lid (3) the same side are neat up and down Flat setting.

8. two-way fuse according to claim 5 it is characterised in that：The lower surface of described lower pressure-ray film portion (623) and The line ball face that the upper surface composition in the conducting strip portion (11) being placed in Wire channel in building (611) is contacted with electric wire, on described line ball face It is provided with anti-slip veins.

9. two-way fuse according to claim 2 it is characterised in that：Described upper lid (3) and base (4) are provided with insulation Structure, for insulation two fuse connection circuits；Described insulation system includes the bearing of trend along before and after fuse connection circuit First insulation partition assembly of setting, it is located at the second insulation partition assembly and be located at molten of fuse connection circuit middle The 3rd insulation partition assembly at disconnected device connection circuit rear and front end, described first insulation partition assembly is included from base (4) Project upwards first insulation cut-off rib (42) and be formed in lid (3) and opening direction first insulation partition grooves (33), described second insulation partition assembly includes the twice second insulation cut-off rib (34) being located on lid (3), twice second It is formed with part first insulation partition grooves (33) between insulation cut-off rib (34)；Described 3rd insulation partition assembly includes opening up On base (4) second insulation partition grooves (43) and be located on upper lid (3) the 3rd insulation cut-off rib (35)；When upper After lid (3) and base (4) fastening, described first insulation cut-off rib (42) is inserted in the first insulation partition grooves (33), described twice Second insulation cut-off rib (34) both sides, described 3rd insulation before and after part first insulation cut-off rib (42) separate muscle Bar (35) is inserted in the second insulation partition grooves (43), described first insulation partition assembly, the second insulation partition assembly, the 3rd insulation every Disconnected assembly is all located at leading between the electric conductor (1) of two fuse connection circuits, for two fuse connection circuits of isolation Electric body (1).

10. two-way fuse according to claim 2 it is characterised in that：The left and right sides of described upper lid (3) lower end is all opened It is provided with multiple fixing holes (36), the left and right sides of described base (4) lower end is provided with multiple only with what fixing hole (36) was oppositely arranged Vertical type elastic buckle (44), is provided with deformation space (45), described base between described free standing spring buckle (44) and base (4) (4) the free standing spring buckle (44) on is detachably connected to the fixing hole of lid (3) by described deformation space (45) (36) in.