CN109599308A - Explosion-proof fuse tube and its explosion-proof fuse and explosion-proof fuse link - Google Patents
Explosion-proof fuse tube and its explosion-proof fuse and explosion-proof fuse link Download PDFInfo
- Publication number
- CN109599308A CN109599308A CN201910101766.1A CN201910101766A CN109599308A CN 109599308 A CN109599308 A CN 109599308A CN 201910101766 A CN201910101766 A CN 201910101766A CN 109599308 A CN109599308 A CN 109599308A
- Authority
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- China
- Prior art keywords
- sheet body
- explosion
- fuse link
- proof
- contact sheet
- 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.)
- Pending
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 16
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 239000004744 fabric Substances 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 9
- 238000009434 installation Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/05—Component parts thereof
- H01H85/055—Fusible members
- H01H85/08—Fusible members characterised by the shape or form of the fusible member
Landscapes
- Fuses (AREA)
Abstract
The invention discloses a kind of explosion-proof fuse tube and its explosion-proof fuses and explosion-proof fuse link, belong to field of electrical equipment.It mainly includes fuse link, and fuse link includes middle part sheet body, and middle part sheet body two sides are respectively equipped with contact sheet body, and contact sheet body connects column plate with fusing by fastener and connect, and the contact sheet body is equipped with recessed groove A；Contacting sheet body is thick middle surrounding gradually thinning structure, and contact sheet body is equipped with through-hole, and fusing connects column plate and is equipped with annular groove with contact sheet body cooperation, is equipped with recessed groove C in annular groove.The present invention adds recessed groove on column plate by connecing in fuse link and fusing, deformation space is provided for fuse link, deformed fuse link is increased simultaneously and fusing connects the contact area of column plate, electric current is avoided frequently to overload, fuse link high-frequency is expanded with heat and contract with cold, keep fuse link thinning and connects the problem of generating gap between column plate, fuse link is caused frequently to melt disconnection with fusing.Present invention is mainly used for the power equipments such as motor and air compressor.
Description
Technical field
The invention belongs to field of electrical equipment, specifically, more particularly to a kind of explosion-proof fuse tube and its explosion-proof fuse
With explosion-proof fuse link.
Background technique
Fuse tube is a kind of current protector, and when electric current is more than specified value, the heat generated with itself keeps melt molten
It is disconnected, thus disconnecting circuit.Fuse tube is widely used in high and low voltage electric distribution system and control system and electrical equipment, as short
The protector on road and overcurrent.It is mainly medium-sized fuse link or fusible link in existing fuse tube, in machine startup moment
When current overload or high-intensitive fatigue vibration, fastener is caused to loosen, resistance increases, at this point, fuse link and fusing connect column plate
Contact point overheat, deforms after making fuse link expanded by heating, and the fuse link of deformation is expanded to be overflowed to external diffusion.It is steady to electric current
Afterwards, fuse link cooling meat is thinning, causes fuse link and fusing to connect and generates gap between column plate, fastener relative strain obtains loose
Dynamic, when resistance continues to increase, the contacting points position melting that excessively thermogenetic high temperature can make fuse link and fusing connect column plate is disconnected.
Therefore, it is necessary to frequently replace fuse tube, labor intensity of workers is big, and use cost is high.
Secondly as metal surface is also easy to produce oxide layer, fuse link is superimposed with the oxide layer connect on column plate that fuses and will form
The presence of diaphragm, diaphragm will be such that resistance increases, and electric current is easy overload, generate gap after expanding with heat and contract with cold along with fuse link, make electricity
Resistance is easier to increase, and fusing is caused to connect the melting of column plate, and service life is shorter.
Summary of the invention
It is an object of the invention to overcome drawbacks described above, a kind of explosion-proof fuse tube and its explosion-proof fuse and explosion-proof molten are provided
Part adds recessed groove on column plate by connecing in fuse link and fusing, provides deformation space for fuse link, while increasing change
Fuse link and fusing after shape connect the contact area of column plate, avoid electric current and frequently overload, fuse link high-frequency is expanded with heat and contract with cold, and is made
The problem of fuse link thinning connect with fusing generates gap between column plate, and fuse link is caused frequently to melt disconnection.
The explosion-proof fuse link, including middle part sheet body, middle part sheet body two sides are respectively equipped with contact sheet body, the contact chip
Body is equipped with recessed groove A.
Further, the contact sheet body is thick middle surrounding gradually thinning structure, and contact sheet body is equipped with through-hole.
Further, copper sheet or copper wire cloth are enclosed on the contact sheet body, copper sheet or copper wire cloth are equipped with and recessed groove A
The recessed groove B of cooperation.
Further, the middle part sheet body is sheet metal or laser rays.
The explosion-proof fuse, including fuse link, fuse link include middle part sheet body, and middle part sheet body two sides, which are respectively equipped with, to be connect
Contact body, contact sheet body connect column plate with fusing by fastener and connect, and the contact sheet body is equipped with recessed groove A.
Further, the contact sheet body is thick middle surrounding gradually thinning structure, and contact sheet body is equipped with through-hole, melts
Disconnecting column plate is equipped with the annular groove with contact sheet body cooperation, is equipped with recessed groove C in annular groove.
Further, the annular groove and fusing, which connect, is equipped with lead-over groove between column board bottom portion.
Further, between contact sheet body and the fastener be equipped with disk spring washer, disk spring washer with contact
The contact surface of sheet body is equipped with recessed groove D.
Further, the fastener includes flange bolt and flange nut, the flange face of flange bolt and flange nut
Respectively arcuate structure, the center of circle of arcuate structure are respectively arranged at the side of contact sheet body, and arcuate structure is equipped with recessed groove E.
The explosion-proof fuse tube, including explosion-proof casing, explosion-proof casing upper and lower ends are respectively equipped with lid, and feature exists
In: explosion-proof fuse as claimed in claim 9 is equipped in the explosion-proof casing, it is solid by installation gasket and lid that fusing connects column plate
It is fixed.
Compared with prior art, the beneficial effects of the present invention are:
1, recessed groove A is added on the contact sheet body of explosion-proof fuse link, fuses to connect and adds recessed groove B on column plate, in fuse link
When temperature distortion, cooling is thinning after avoiding it from expanding；Recessed groove A and recessed groove B provides deformation space when fuse link expands, and melts
The deformable body of part fills up recessed groove A and recessed groove B, increases fuse link and the contact surface for connecing column plate that fuses after deformation, fusing
After piece is cooling, so that avoiding explosion-proof fuse link and fusing from connecing between column plate generates gap, improve explosion-proof fuse link uses the longevity
Life；
2, fusing connects and adds annular groove and lead-over groove on column plate, the contact sheet body of explosion-proof fuse link using thick middle surrounding by
The thin structure of gradual change further avoids explosion-proof fuse link and is heated thinning, while annular groove and lead-over groove become explosion-proof fuse link
When shape, deformable body is moved along annular groove and lead-over groove, avoids explosion-proof fuse link locally thinning, melting fracture；
3, fastener uses flange bolt and flange nut with arcuate structure and recessed groove E, with rebound characteristics, energy
Inertia after preventing high-intensitive fatigue vibration and explosion-proof fuse link from expanding with heat and contract with cold loosens；
4, disk spring washer equally has rebound characteristics, can prevent high-intensitive fatigue vibration and explosion-proof fuse link heat
Inertia after swollen shrinkage loosens.
Detailed description of the invention
Fig. 1 is the main view of fuse link；
Fig. 2 is the top view of fuse link；
Fig. 3 is the fuse link for wrapping up copper sheet or copper wire cloth；
Fig. 4 is package copper sheet or copper wire cloth, the fuse link that middle part sheet body is laser rays；
Fig. 5 is the structural schematic diagram of explosion-proof fuse；
Fig. 6 is the main view that fusing connects column plate；
Fig. 7 is the structural schematic diagram that fusing connects column plate；
Fig. 8 is the main view of disk spring washer；
Fig. 9 is the left view of disk spring washer；
Figure 10 is the main view of flange bolt；
Figure 11 is the right view of flange bolt；
Figure 12 is the main view of flange nut；
Figure 13 is the right view of flange nut；
Figure 14 is the structural schematic diagram of fastener in embodiment five；
Figure 15 is the structural schematic diagram of anti-loosing nut in embodiment five；
Figure 16 is the structural schematic diagram of the groove of screw rod and expansion grooving in embodiment five；
Figure 17 is the structural schematic diagram of fastener in embodiment six；
Figure 18 is the structural schematic diagram of anti-loosing nut in embodiment six；
Figure 19 is the structural schematic diagram of the first nut in embodiment six；
Figure 20 is the structural schematic diagram of explosion-proof fuse tube.
In figure, 1, fuse link；2, fusing connects column plate；3, flange bolt；4, flange nut；5, disk spring washer；11, in
Portion's sheet body；12, sheet body is contacted；13, recessed groove A；14, through-hole；15, recessed groove B；21, contact plate；22, recessed groove C；23, annular
Slot；24, lead-over groove；31, arcuate structure；32, recessed groove E；33, screw rod；34, groove；35, screw；36, grooving is expanded；41, method
Blue nut A；42, plain nut；43, contact point；44, inclined surface；45, the second nut；46, the second groove；47, the first nut；
48, boss；49, grooving is tightened；51, recessed groove D；61, lid；62, gasket is installed；63, explosion-proof casing.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings:
Embodiment one: as shown in Figure 1, explosion-proof fuse link includes middle part sheet body 11, sheet body 11 two sides in middle part, which are respectively equipped with, to be connect
Contact body 12, the contact sheet body 12 are equipped with recessed groove A13.
As shown in Fig. 2, the contact sheet body 12 is thick middle surrounding gradually thinning structure, contact sheet body 12 is equipped with logical
Hole 14.
As shown in figure 3, being enclosed with copper sheet or copper wire cloth on the contact sheet body 12, copper sheet or copper wire cloth are equipped with and recess
The recessed groove B15 of slot A13 cooperation.
As shown in figure 4, the middle part sheet body 11 is sheet metal or laser rays.
Embodiment two: as shown in Fig. 5 and Fig. 1, explosion-proof fuse includes fuse link 1, and fuse link 1 includes middle part sheet body 11,
Sheet body 11 two sides in middle part are respectively equipped with contact sheet body 12, and contact sheet body 12 connects column plate 2 with fusing by fastener and connect, described to connect
Contact body 12 is equipped with recessed groove A13.
As shown in Fig. 2, the contact sheet body 12 is thick middle surrounding gradually thinning structure, contact sheet body 12 is equipped with logical
Hole 14, as shown in Figure 6 and Figure 7, fusing connect column plate 2 equipped with contact plate 21, and contact plate 21 is equipped with to be cooperated with contact sheet body 12
Annular groove 23, recessed groove C22 is equipped in annular groove 23, annular groove 23 and fusing, which connect, is equipped with lead-over groove 24 between 2 bottom of column plate.
During installation, fuse link 1 is installed by fastener in the one or both sides that fusing connects column plate 2 to the present embodiment, by tight
Gu contact sheet body 12 is fitted closely with annular groove 23, in use, resistance increases when transient current overload, lead to fuse link 1
Expanded by heating deforms, and the deformable body of fuse link 1 will enter in recessed groove A13, recessed groove C22 and annular groove 23, Bu Huixiang
Dissipate is extended out, deformable body is avoided and overflows the problem for causing fuse link 1 thinning；When electric current is steady, fuse link 1 is cold after cooling down
But, the deformable body of fuse link 1, which is increased, connects the contact area of column plate 2 with fusing, avoid in the prior art fuse link 1 expand with heat and contract with cold
The phenomenon that being connect afterwards with fusing between column plate 2 and generate gap, leading to the melting fracture of fuse link 1.
Embodiment three: it as shown in Figure 8 and Figure 9, contacts and is equipped with disk spring washer 5 between sheet body 12 and fastener, such as Fig. 8
Shown, the contact surface of disk spring washer 5 and contact sheet body 12 is equipped with recessed groove D51；It is other identical as implementing two.
Disk spring washer 5 has rebound characteristics, can carry out damping to high-intensitive fatigue vibration, meanwhile, in 1 heat of fuse link
After swollen shrinkage, rebound can be carried out, the inertia of fastener is avoided to loosen.Recessed groove D51 is also that fuse link 1 provides deformation space, is prevented
It is thinning after only it expands with heat and contract with cold.
Example IV: the fastener is screw bolt and nut component；It is other identical as implementing three.
Embodiment five: as shown in Figure 14 to Figure 16, the fastener includes screw rod 33, and 33 one end of screw rod is equipped with bolt head,
Anti-loose flange is equipped at bolt head, the anti-loose flange and bolt head are integrally formed, and 33 other end of screw rod is equipped with groove 34
With expansion grooving 36, screw rod 33 is equipped with anti-loosing nut, and anti-loosing nut includes plain nut 42 and flange nut A41, method
The end face of blue nut A41 is equipped with inclined surface 44, and angle of the inclined surface 44 in cooperation between the end face of plain nut 42 is greater than
0 °, it is less than or equal to 6 °, is equipped with screw 35 in groove 34；It is other identical as implementing three.
In use, screw rod 33 passes through fuse link 1 and fusing connects column plate 2, then flange nut A41 is screwed on screw rod 33,
Plain nut 42 is screwed on screw rod 33 again, as shown in figure 15, when plain nut 42 and flange nut A41 are contacted, due to inclination
The end face of the effect in face 44, plain nut 42 and flange nut A41 can't fit closely, but only one contact point 43 connects
Touching can generate a downward power F1 at the contact point 43 of flange nut A41 under the action of giving 42 applied force of plain nut,
So that the left side of flange nut A41 is generated dextrorotary torque A1, flange nut A41 is forced to have a dextrorotary tendency, but by
In the presence of screw rod 33, flange nut A41 will not side to overturn to the right, but screw rod 33 can be squeezed and be exerted a force, therefore flange nut A41
Left side screw thread to screw rod 33 generate a power F3, so that left side screw thread is fitted closely with screw rod 33 and is not loosened, even if occurring
In the case where vibration, it will not loosen.
Due to the effect of power be it is mutual, at contact point 43, flange nut A41 to plain nut 42 generate one upwards
Power F2, so that the right side of plain nut 42 is generated the torque A2 that rotates to the left, plain nut 42 forced to have the tendency that rotating to the left,
But due to the presence of screw rod 33, plain nut 42 will not side to overturn to the left, but screw rod 33 can be squeezed and be exerted a force, therefore plain nut
A power F4 is generated to screw rod 33 at 42 right side screw thread, fits closely right side screw thread with screw rod 33, and left side screw thread and spiral shell
Bar 33 then has certain gap, when screw 35 is screwed into groove 34, the end meeting of screw rod 33 under the action of expanding grooving 36
There is a little expansion, and the gap of left side screw thread and screw rod 33 has just been filled up in the place after expanding, therefore is located on screw rod 33
Plain nut 42 will not exit screw rod 33 in the case where loosening, even if there is a situation where high-intensitive fatigue vibrations
Under, it will not loosen.
Embodiment six: as shown in Figures 17 to 19, screw rod 33 is equipped with anti-loosing nut, and anti-loosing nut includes the first spiral shell
Mother 47 and the second nut 45, first nut 47 are equipped with boss 48, and boss 48 is eccentric boss, and boss 48 is equipped with and tightens
Grooving 49；Second nut 45 is equipped with and the second groove 46 of the mutual cooperation installation of boss 48 on the first nut 47；Boss 48
Height be h, the value range of h is greater than 0.4 times of the internal thread diameter of the first nut 47, less than or equal to the interior spiral shell of the first nut
3 times of line diameter；It is other identical as embodiment five.If h is too big or too small can not all rise to the first nut 47 and the second nut 45
To locking and anticreep purpose.
When the present embodiment is in use, screw rod 33 passes through fuse link 1 and fusing connects column plate 2, then screws in the first nut 47
On screw rod 33, then the second nut 45 screwed on screw rod 33, and boss 48 on the first nut 47 screws on the second nut 45
In second groove 46.Boss 48 on first nut 47 uses eccentric processing when manufacturing, and the second nut 45 is then normal
Central circular processing, when the first nut 47 and the second nut 45 are threaded together, just as being inserted into chock in nut, to realize
Anti-loosening effect.
Since the boss 48 on the first nut 47 is eccentric boss, side meeting between boss 48 and the second groove 46 when tightening
There are gaps at one, but under the action of tightening grooving 49, the internal screw thread on the first nut 47 can to contract and " holding " spiral shell
Bar 33, the screw thread tempered toughness with gentleness increase frictional force, reach anti-high-intensitive fatigue and shake and tight effect.It is recessed on screw rod 33
Optionally mounting screw 35 in slot 34.
Embodiment seven: as shown in Figure 10 to Figure 13, the fastener includes flange bolt 3 and flange nut 4, flange bolt
3 and the flange face of flange nut 4 be respectively arcuate structure 31, the center of circle of arcuate structure 31 is respectively arranged at the one of contact sheet body 12
Side, arcuate structure 31 are equipped with recessed groove E32；It is other identical as implementing two.
When the present embodiment is in use, flange bolt 3 passes through fuse link 1 and fusing connects column plate 2, then revolves flange nut 4
Enter on flange bolt 3, since the flange face of flange bolt 3 and flange nut 4 is respectively arcuate structure 31, when screwing, arc knot
Structure 31 is bonded closely with fuse link 1.Damping is carried out in high-intensitive fatigue vibration, alternatively, after fuse link 1 expands with heat and contract with cold, arc knot
Structure 31 can be carried out rebound, and the inertia of fastener is avoided to loosen.Recessed groove E32 also can provide deformation space for fuse link 1, prevent it
It is thinning after expanding with heat and contract with cold.
Embodiment eight: as shown in figure 20, explosion-proof fuse tube, including explosion-proof casing 63, explosion-proof 63 upper and lower ends of casing difference
Equipped with lid 61, it is equipped with any explosion-proof fuse into embodiment seven of embodiment two in the explosion-proof casing 63, fusing connects column
Plate 2 is fixed by installation gasket 62 and lid 61.
Installing gasket 62, explosion-proof casing 63 and lid 61 is the prior art, and installation gasket 62 is equipped with card slot, installation
When, two card slots installed on gaskets 62 are positioned opposite, and the fusing of explosion-proof fuse is connect column plate 2 and is blocked.
Claims (10)
1. a kind of explosion-proof fuse link, including middle part sheet body (11), middle part sheet body (11) two sides are respectively equipped with contact sheet body (12),
Be characterized in that: the contact sheet body (12) is equipped with recessed groove A (13).
2. explosion-proof fuse link according to claim 1, it is characterised in that: the contact sheet body (12) be thick middle surrounding by
The thin structure of gradual change, contact sheet body (12) are equipped with through-hole (14).
3. explosion-proof fuse link according to claim 1, it is characterised in that: be enclosed on the contact sheet body (12) copper sheet or
Copper wire cloth, copper sheet or copper wire cloth are equipped with the recessed groove B (15) cooperated with recessed groove A (13).
4. explosion-proof fuse link according to any one of claim 1 to 3, it is characterised in that: the middle part sheet body (11) is
Sheet metal or laser rays.
5. a kind of explosion-proof fuse, including fuse link (1), fuse link (1) includes middle part sheet body (11), middle part sheet body (11) two sides
It is respectively equipped with contact sheet body (12), contact sheet body (12) connects column plate (2) with fusing by fastener and connect, it is characterised in that: institute
It states contact sheet body (12) and is equipped with recessed groove A (13).
6. explosion-proof fuse according to claim 5, it is characterised in that: the contact sheet body (12) be thick middle surrounding by
The thin structure of gradual change, contact sheet body (12) are equipped with through-hole (14), and fusing connects column plate (2) and is equipped with and contact sheet body (12) cooperation
Annular groove (23), be equipped with recessed groove C (22) in annular groove (23).
7. explosion-proof fuse according to claim 6, it is characterised in that: the annular groove (23) and fusing connect column plate (2)
Lead-over groove (24) are equipped between bottom.
8. explosion-proof fuse according to claim 7, it is characterised in that: set between the contact sheet body (12) and fastener
Have disk spring washer (5), the contact surface of disk spring washer (5) and contact sheet body (12) is equipped with recessed groove D (51).
9. the explosion-proof fuse according to any one of claim 5 to 8, it is characterised in that: the fastener includes flange
The flange face of bolt (3) and flange nut (4), flange bolt (3) and flange nut (4) is respectively arcuate structure (31), arc
The center of circle of structure (31) is respectively arranged at the side of contact sheet body (12), and arcuate structure (31) is equipped with recessed groove E (32).
10. a kind of explosion-proof fuse tube, including explosion-proof casing (63), explosion-proof casing (63) upper and lower ends are respectively equipped with lid (61),
It is characterized by: being equipped with explosion-proof fuse as claimed in claim 9 in the explosion-proof casing (63), fusing connects column plate (2) and passes through
It is fixed that gasket (62) and lid (61) are installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910101766.1A CN109599308A (en) | 2019-02-01 | 2019-02-01 | Explosion-proof fuse tube and its explosion-proof fuse and explosion-proof fuse link |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910101766.1A CN109599308A (en) | 2019-02-01 | 2019-02-01 | Explosion-proof fuse tube and its explosion-proof fuse and explosion-proof fuse link |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109599308A true CN109599308A (en) | 2019-04-09 |
Family
ID=65967281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910101766.1A Pending CN109599308A (en) | 2019-02-01 | 2019-02-01 | Explosion-proof fuse tube and its explosion-proof fuse and explosion-proof fuse link |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109599308A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010108786A (en) * | 2008-10-30 | 2010-05-13 | Yazaki Corp | High-current fuse |
| JP2012094397A (en) * | 2010-10-27 | 2012-05-17 | Chugoku Electric Power Co Inc:The | Fuse device |
| CN102867713A (en) * | 2011-07-05 | 2013-01-09 | 库柏技术公司 | Electric fuse with torque restricting terminals |
| CN108321039A (en) * | 2018-01-26 | 2018-07-24 | 俞东 | Fuse element and preparation method thereof |
| CN209232718U (en) * | 2019-02-01 | 2019-08-09 | 林平 | Explosion-proof fuse tube and its explosion-proof fuse and explosion-proof fuse link |
-
2019
- 2019-02-01 CN CN201910101766.1A patent/CN109599308A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010108786A (en) * | 2008-10-30 | 2010-05-13 | Yazaki Corp | High-current fuse |
| JP2012094397A (en) * | 2010-10-27 | 2012-05-17 | Chugoku Electric Power Co Inc:The | Fuse device |
| CN102867713A (en) * | 2011-07-05 | 2013-01-09 | 库柏技术公司 | Electric fuse with torque restricting terminals |
| CN108321039A (en) * | 2018-01-26 | 2018-07-24 | 俞东 | Fuse element and preparation method thereof |
| CN209232718U (en) * | 2019-02-01 | 2019-08-09 | 林平 | Explosion-proof fuse tube and its explosion-proof fuse and explosion-proof fuse link |
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