CN201196941Y - Fuse barrel for high voltage fuse - Google Patents
Fuse barrel for high voltage fuse Download PDFInfo
- Publication number
- CN201196941Y CN201196941Y CNU2008201161566U CN200820116156U CN201196941Y CN 201196941 Y CN201196941 Y CN 201196941Y CN U2008201161566 U CNU2008201161566 U CN U2008201161566U CN 200820116156 U CN200820116156 U CN 200820116156U CN 201196941 Y CN201196941 Y CN 201196941Y
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Abstract
The utility model relates to a fuse holder for a high voltage fuse. In the fuse holder (40), a lower contact (47) with a ring-shaped contact part is thoroughly arranged in an insulating cylinder (42) the upper end of which is fixed with a tubular upper contact (41), the lower end of the insulating cylinder (42) is fastened with a display cylinder (48), a spring (49) is arranged between the lower contact (47) and the display cylinder (48), and a fuse (44) arranged in the insulating cylinder (42) is extended and arranged between the upper contact (41) and the lower contact (47) through the spring (49). A flange part (53) is formed on the lower circumference surface of the lower contact (47) and is pressed against the front end of an operating rod (60) used to load the fuse holder (40) on the high voltage fuse (1), and a pair of clamping convex parts (54) which can block the operating rod (60) are formed below the flange part (53). Thus the operating rod (60) and the fuse holder (40) can be easily integrated, and the opening/closing operation of circuits in the high voltage fuse (1) and handling operations such as the replacement of the fuse holder (40) and so on, can be easily and reliably performed, thereby safely performing the handling operations.
Description
Technical field
The utility model relates to the fuse tube that uses in a kind of high-tension fuse.
Background technology
In the past, known promising protection power distribution transformer was provided with, was equipped with the high-tension fuse of fuse tube in porcelain system main body insulator.
But during operation such as the opening and closing operations of distribution line or the replacing of fuse tube, operating personnel must climb to the operation that the enterprising luggage of electric pole unloads the fuse tube in carrying out high-tension fuse, and this operation bothers very much.
In addition, if unload the airtight bolt of high-tension fuse bottom, then charging part branches such as the bottom contact of fuse tube, fuse lead-in wire expose, and therefore, operating personnel have the danger of electric shock when carrying out maintenance, can not directly touch the fuse tube.So expectation has a kind of not only safety but also carries out the fuse tube that the fuse wound packages unloads operation simply.
The utility model content
The utility model proposes at above-mentioned situation just, its purpose be to provide a kind of can be not only safe and simple but also carry out the opening and closing operations of distribution line reliably and fuse tube that the high-tension fuse of handling operation such as fuse tube replacing is used very.
The utility model is the fuse tube that a kind of high-tension fuse is used, its structure is as follows: in the insulating cylinder of tubular upper contact has been fixed in the upper end, run through the bottom contact with ring-type contact site is installed, and in the lower end of this insulating cylinder, fastening display barrel is between this bottom contact and this display barrel, the parts of energizing, be seated in the fuse in this insulating cylinder, by these parts of energizing, stretching is arranged between top contact and the bottom contact.This fuse tube is characterised in that, side face is formed with flange part in the bottom of this bottom contact, be used for this fuse wound packages is discharged to front end and this flange part butt of the hook stick on the high-tension fuse,, be formed with a pair of engaging protuberance that the hook stick card can be ended in the lower portion of this flange part.
According to the utility model, can be not only very safe, simple and easy but also carry out handling operations such as the opening and closing operations of distribution line in the high-tension fuse and the replacing of fuse tube reliably.
Description of drawings
Fig. 1 is the profile of high-tension fuse.
Fig. 2 is the end view of fuse tube.
Fig. 3 is the upward view of fuse tube.
Fig. 4 is the top profile of fuse tube.
Fig. 5 is the exploded view of the secure component of bottom contact.
Fig. 6 is the stereogram of the chimeric tube portion of the bottom of expression fuse tube and hook stick.
Fig. 7 is the profile that engages between the chimeric tube portion of the bottom contact of expression fuse tube and hook stick.
Fig. 8 is the end view of fuse tube.
Fig. 9 is the profile of expression when high-tension fuse is extracted the fuse tube.
Embodiment
As shown in Figure 1, the porcelain system main body insulator 10 of high-tension fuse 1 is made cylindric, and its outer peripheral face is formed with a plurality of insulation walls.The lower ending opening of main body insulator 10 forms lower ending opening portion 14.In the inside of main body insulator 10, the cylindric bottom compartment 12 that is formed with cylindric upper chambers 11 and is communicated with the bottom of upper chambers 11, and also its internal diameter enlarges greatlyyer than upper chambers 11.Central portion in main body insulator 10 upper ends 13 is formed with the logical hole 13a that plugs portion's fixed electrode 23.
In the upper end 13 of main body insulator 10, top installing component 22 logical being inserted in the 13a of hole, and it is given prominence to the outside of main body insulator 10 in main body insulator 10 upper chambers 11, be fixed on the main body insulator 10 with nut 29 again.
On top installing component 22, the top fixed electrode 23 that is being spirally connected, top fixed electrode 23 is fixed on the main body insulator 10 by this top installing component 22.In the outer end of top fixed electrode 23, female screw 21a of portion of the coniform upper mould awl 21 that is being spirally connected.Upper mould awl 21 usefulness bonding agents are bonded on the upper end 13 of main body insulator 10.On the lead-out wire of upper mould awl 21, be connected with the external cable of distribution line.
At the lower sides 15 of main body insulator 10, be formed with the hole 12a that runs through bottom compartment 12 walls, the 31a of screw portion of coniform lower die awl 31, logical being inserted among the 12a of hole, and make it outstanding to bottom compartment 12 inner faces from main body insulator 10.At the 31a of screw portion of lower die awl 31, stationary fixture 36 is being spirally connected.
Lower die awl 31 usefulness bonding agents are bonded on the lower sides 15 of main body insulator 10.On lower die awl 31, be connected with external cable, also be connected with the equipment such as transformer that are arranged on the distribution line.
In the bottom compartment 12 of main body insulator 10, be assembled with bottom fixed electrode 34 and make roughly discoideus buffer unit 39, this bottom fixed electrode 34 is connected by connecting line 32 on the 31a of screw portion of lower die awl 31.Bottom fixed electrode 34 is made of the cylindric bottom installing component 33 with logical inserting hole of inserting fuse tube 40 usefulness and a pair of lower electrode sheet 37 and ring electrode support plate 38.In the bottom of bottom installing component 33, be provided with holding section 33a, this holding section 33a is fastened among the slot 12b of the inner peripheral surface that is formed at bottom compartment 12, comes off from main body insulator 10 to prevent bottom installing component 33.Buffer unit 39 is fixed by the upside of bottom fixed electrode 34 and the upper surface of bottom compartment 12.On the top of buffer unit 39, butt has arc extinguishing tube 35.
The lower ending opening portion 14 of bottom compartment 12 fastening lower cover 58, be equipped with lid on this lower cover 58 and close the airtight bolt 59 of lower ending opening portion 14 usefulness.
In the inside of main body insulator 10, be assembled with the fuse tube 40 that connects top fixed electrode 23 and bottom fixed electrode 34, and make it run through arc extinguishing tube 35.
As Fig. 2～shown in Figure 4,, be provided with interlocking at the cylindric top of top fixed electrode 23 contact 41 in the upper end of fuse tube 40.Top contact 41 may contact with the upper electrode sheet 24 of the shape of falling U.On top fixed electrode 23, be equipped with the arc extinguishing rod of making by arc quenching materials such as polyacetals 43, this arc extinguishing rod 43 is between upper electrode sheet 24.
In the bottom of top contact 41, be provided with columned insulating cylinder 42.Between the bottom of the upper end of insulating cylinder 42 and top contact 41, fastening stationary fixture 56 as shown in Figure 2.In the inside of insulating cylinder 42, be provided with the go between fuse 44 of 46 series connection assemblings of electrical fuse element 45 and fuse.At the front end of fuse 44, be provided with and make discoideus portion of terminal 44a.After fuse 44 is inserted into the inside of stationary fixture 56, the top contact 41 that is being spirally connected on the top of stationary fixture 56, the portion of terminal 44a of fuse 44, be fixed anchor clamps 56 and 41 clampings of top contact, formation is electrically connected.Thus, the top contact 41 of fuse tube 40 and bottom contact 47, via portion of terminal 44a, electrical fuse element 45, the fuse lead-in wire 46 of fuse 44, formation is electrically connected.Electrical fuse element 45 fuses when one has the electric current of overrate to flow through at once.As shown in Figure 8, in the end of fuse lead-in wire 46, be provided with have a breach recess 77a press-fit terminal 77.
As Fig. 2～shown in Figure 4, on insulating cylinder 42, the cylindric bottom contact 47 with 34 interlockings of bottom fixed electrode in the trip embedding, and may move to axis direction.
In the bottom of insulating cylinder 42, be bolted with display barrel 48, the lower surface of display barrel 48 is in the position more square than the lower surface of insulating cylinder 42.The outer peripheral face of display barrel 48 is conical surfaces that diameter enlarges up, is pasted with the lead sealing that zone of reflections etc. has color.On the lower, outer perimeter face of display barrel 48, be formed with a plurality of projections 57.The circumscribed circle diameter L1 that links each projection 57 summit, roughly the same with the maximum outside diameter L2 of display barrel 48.Between bottom contact 47 and display barrel 48, a spring 49 as the parts of energizing is arranged, this spring 49 pushes away insulating cylinder 42 to the outside of main body insulator 10 bullet all the time.Fuse lead-in wire 46 turns back upward from the lower end of display barrel 48, with the state of compression spring 49, and will press-fit the breach recess 77a of terminal 77, hangs over the state of the 47a of screw portion of bottom contact 47, relies on secure component 50 to be fixedly clamped.That is to say that under this state, fuse lead-in wire 46 remains among the tensioning state.
As shown in Figure 5, secure component 50 is made of clamp nut 51 and pad 52, is installed on the outstanding 47a of screw portion that is arranged on bottom contact 47 sides.Be formed with three reflex part 52a that engage with clamp nut 51 on the pad 52, these reflex parts of clamp nut 51 usefulness 52a covers.After clamp nut 51 and pad 52 are installed in the 47a of screw portion, generally all to implement distortion and slip-off preventing processing to the front end of the 47a of screw portion.
On the side face of the bottom of bottom contact 47, be formed with flange part 53.The lower portion of the flange part 53 on the periphery of the lower end of bottom contact 47 is formed with a pair of engaging protuberance 54, and is formed with the restriction fuse lead-in wire 46 restriction projections 55 that move on the lower portion of secure component 50.
As shown in Figure 1, in insulating cylinder 42, be formed with the minor diameter part 42a and the diameter large-diameter portion 42b bigger that can support bottom contact 47 up or down than minor diameter part 42a.Stage portion between minor diameter part 42a and the large-diameter portion 42b is construed as limiting the restrictions 42c that insulating cylinder 42 moves down with respect to bottom contact 47.
Insert under the state of main body insulator 10 at fuse tube 40, top contact 41 can contact with top fixed electrode 23 with switching on, and meanwhile, bottom contact 47 can contact with bottom fixed electrode 34 with switching on.That is to say, be loaded at fuse tube 40 under the state of main body insulator 10 that top fixed electrode 23 and bottom fixed electrode 34 are electrically connected by 40 formation of fuse tube.
Below, the action of the high-tension fuse 1 that constitutes in the above described manner is described.
As shown in Figure 6 and Figure 7, at the front end of the barred body 61 of hook stick 60, fastening chimeric cartridge unit 64.This chimeric cartridge unit 64 possesses the chimeric tube portion 65 that is provided with vertically the connecting hole 67 that extends.The length of hook stick 60 suitably is set at the length that arrives high-tension fuse 1 from electric pole.Base end part side in chimeric tube portion 65 is formed with the steam vent 68 that is communicated with connecting hole 67.
Front end periphery in chimeric tube portion 65 is formed with reducing diameter part 70.Be set with the identical circle ring part 71 of external diameter and chimeric tube portion 65 on the reducing diameter part 70.The front end of circle ring part 71, outstanding from the front end of reducing diameter part 70.The large-diameter portion 72a that is formed by circle ring part 71 inner peripheral surfaces and by the minor diameter part 72b that the inner peripheral surface of chimeric tube portion 65 forms constitutes embedded hole 72.Between large-diameter portion 72a and minor diameter part 72b, be formed with step 72c.
At the front end inner peripheral surface of circle ring part 71, be formed with a pair of L of being word shape, and mutual opposed engaging protrusion 74.And, in the large-diameter portion 72a of embedded hole 72, between engaging protrusion 74 and step 72c, be provided with circular butt parts 75, between step 72c and butt parts 75, dispose spring 73.And butt parts 75 are by the bullet thrust of spring 73, all the time with engaging protrusion 74 butts.In circle ring part 71 and engaging tube portion 65, cover the outer cylinder member 69 of its outer peripheral face, fix with Screw.
When constructing etc., under the situation with the disconnection of distribution line load, charged at high-tension fuse 1, and unload under the state of airtight bolt 59, as Fig. 7 and shown in Figure 9, make the front end and the lower cover 58 of hook stick 60 opposed, will be installed in the lower portion of fuse tube 40 in the high-tension fuse 1, be inserted in the embedded hole 72 of chimeric cartridge unit 64 of hook stick 60.Then, make fuse tube 40 butt parts 75 antagonistic springs 73 bullet thrust and retreat, the front end of chimeric tube portion 64 is connected on the flange part 53 of bottom contact 47 of fuse tube 40.
Then, as shown in Figure 6, by the barred body 61 of rotating operation rod 60, will be with the outstanding a pair of engaging protuberance 54 that is arranged on the lower portion periphery of fuse tube 40 of 180 degree rightabouts, be configured between engaging protrusion 74 and the butt parts 75, both are engaged and can not extract.Then, under this state, drop hook stick 60 downwards, can extract fuse tube 40 from high-tension fuse 1.
Along with fuse tube 40 moves down, arc extinguishing rod 43 also moves down.Arc extinguishing rod 43 is fastened on the upper end of arc extinguishing tube 35, forms slit between arc extinguishing tube 35 and arc extinguishing rod 43.Then, when top contact 41 and bottom contact 47 breaks away from top fixed electrodes 23 and bottom fixed electrode 34, will between top contact 41 and top fixed electrode 23, produce electric arc.In the slit of electric arc between the outside wall surface of the bar-shaped portion of the internal face 35a of arc extinguishing tube 35 and arc extinguishing rod 43, be subjected to the effect of arc heat, the outer peripheral face of arc extinguishing rod 43 bar-shaped portions and the internal face 35a of arc extinguishing tube 35 all melt, produce arc extinguishing gas, under the effect of this arc extinguishing gas, electric arc is eliminated.
When installation insurance silk tube 40, with the lower portion of fuse tube 40, be inserted in the embedded hole 72 of hook stick 60 chimeric cartridge units 64 in advance, with above-mentioned same, the engaging protuberance 54 of fuse tube 40 is disposed between engaging protrusion 74 and the butt parts 75, and makes it and to extract.Under this state, use hook stick 60, from the lower end of high-tension fuse 1 inward, fuse tube 40 in front end inserts it, is made the front end and buffer unit 39 butts of the bottom contact 47 of fuse tube 40.Thereby, finish the installation of fuse tube 40, make top contact 41 and bottom contact 47 can be respectively with high-tension fuse 1 in top fixed electrode 23 and 34 energisings of bottom fixed electrode.
Afterwards, by backward rotation hook stick 60, the engaging protuberance 54 of arming silk tube 40 is with respect to the engaging protrusion 74 of hook stick 60 and the engaging of butt parts 75, fuse tube 40 is contained under the state constant in the high-tension fuse 1 keeping, and only the unloading operation rod 60.Then, top contact 41 and bottom contact 47 are electrically connected with top fixed electrode 23 and 34 formation of bottom fixed electrode.
When since lightning impulse etc. cause in the distribution line that is connected with high-tension fuse 1, when having the electric current of overrate to flow through, electrical fuse element 45 fuses at once, the tensioning state of fuse lead-in wire 46 is removed at this point, and under the effect of spring 49 elastic force, only insulating cylinder 42 is forced downwardly mobile.So,, be clamped under the state on the bottom fixed electrode 34 at the bottom of fuse tube 40 contact 47, top contact 41 breaks away from from top fixed electrode 23, insulating cylinder 42 and airtight bolt 59 butts, airtight bolt 59 comes off from lower cover 58, and display barrel 48 exposes from the lower end of main body insulator 10.Demonstrated by display barrel 48 under the state that electrical fuse element 45 fused, hook stick 60 is connected on the fuse tube 40.Then, by dropping hook stick 60 downwards, can extract the fuse tube 40 that electrical fuse element 45 has fused from main body insulator 10.
When assembling was equipped with the fuse tube 40 of new fuse 44, with above-mentioned same, hook stick 60 was connected in the fuse tube 40 that new fuse 44 is housed, and fuse tube 40 inserts in it from the lower end of main body insulator 10.Then, top contact 41 and bottom contact 47 are electrically connected with top fixed electrode 23 and 34 formation of bottom fixed electrode.
According to the execution mode of above explanation, can obtain following action effect.
(1) at the side face of the bottom of fuse tube 40 contact 47, form flange part 53, the front end butt of this flange part 53 and the hook stick 60 that is used to load and unload fuse tube 40 forms in the lower portion of flange part 53 and can block the only engaging protuberance 54 of hook stick 60.Thus, the front end of chimeric cartridge unit 64 is connected on the flange part 53,, can makes hook stick 60 and 40 engagings of fuse tube and releasing, and can not extract by the barred body 61 of rotating operation rod 60.Thus, can be easy to hook stick 60 and fuse tube 40 integrated.In addition, can be easy to and carry out handling operations such as the opening and closing operations of distribution line in the high-tension fuse 1 and 40 replacings of fuse tube very reliably.Thereby, can carry out handling operation as safe as a housely.
(2) on bottom contact 47, be provided with the restriction fuse lead-in wire 46 restriction projections 55 that move.Thereby, when only on hook stick 60, carrying out the rotating operation of hook stick 60, move because can limit the dextrad of fuse lead-in wire 46 in Fig. 9 for fuse tube 40 is blocked, can also prevent 46 distortions of fuse lead-in wire, so can prevent fuse 44 broken strings.
(3) assembled display barrel 48, and the lower surface of display barrel 48 is positioned at than the lower surface of insulating cylinder 42 more on the upper side.Thus, can reduce the bottom external diameter of fuse tube 40, and can be easy to be fitted in the hook stick 60.Thereby, can be easy to and carry out handling operations such as the opening and closing operations of distribution line in the high-tension fuse 1 and 40 replacings of fuse tube very reliably.
(4) formed the conical surface of diameter hole enlargement up at the outer peripheral face of display barrel 48.Thus, be fixedly clamped fuse lead-in wire 46 on bottom contact 47 in, fuse lead-in wire 46 can contact with the conical surface of display barrel 48.That is to say, be under the state of tensioning at fuse lead-in wire 46, because between insulating cylinder 42 and clamp nut 51, fuse lead-in wire 46 contacts with the conical surface, so the available whole conical surface relaxes the tension force that imposes on fuse lead-in wire 46, suppress the deterioration of fuse lead-in wire 46.
(5) the lower, outer perimeter face at display barrel 48 forms a plurality of projections 57, and makes the maximum outside diameter L2 of the circumscribed circle diameter L1 that connects each projection 57 summit and display barrel 48 roughly the same.Thus, from main body insulator 10 loading and unloading fuse tubes 40 time, display barrel 48 can be inserted smoothly the minor diameter part 72b of hook stick 60.That is to say that in inserting fuse tube 40 in the hook sticks 60, the guiding of the maximum diameter portion by display barrel 48 conical surfaces and the apex of display barrel 48 each projection 57 can make the minor diameter part 72b of hook stick 60 and display barrel 48 engage with stable status.Its result can carry out the handling operation of 40 pairs of main body insulators 10 of fuse tube smoothly.
(6) in the end of fuse lead-in wire 46, be provided with have a breach recess 77a press-fit terminal 77, the breach recess 77a that this press-fits terminal 77 hangs on the 47a of screw portion that is located on the bottom contact 47, and is fastening with secure component 50.Thus, under the state that has applied spring 49 elastic force, need not fuse lead-in wire 46 is wound on the secure component 50 and be fixedly clamped,, can keep the contact between fuse lead-in wire 46 and the secure component 56 really so the handling operation of fuse lead-in wire 46 is carried out easily.In addition, can prevent that also fuse tube 40 from installing to after the main body insulator 10, cause secure component 50 loosening because of vibration waits, and can keep the tensioning degree of fuse lead-in wire 46, be expected to improve reliability.
(7) secure component 50 of bottom contact 47 is made of clamp nut 51 and pad 52.Thus, can prevent when tightening solid nut 51 fuse lead-in wire 46 and press-fit terminal 77 and follow clamp nut 51 rotation, i.e. corotation.
(8) on pad 52, be provided with the reflex part 52a that engages with clamp nut 51, and make reflex part 52a cover clamp nut 51.Thus, can prevent that pad 52 breaks away from from clamp nut 51.
(9) on bottom contact 47, outstanding the being provided with 47a of screw portion after clamp nut 51 and pad 52 are contained on the 47a of screw portion, makes the front end distortion of the 47a of screw portion, implements anticreep and handles.Thus, can prevent that clamp nut 51 and pad 52 from coming off from the 47a of screw portion of bottom contact 47.
(10) fuse 44 is inserted be fastened on after stationary fixture 56 inside of insulating cylinder 42 upper ends, the top contact 41 that is spirally connected on the top of stationary fixture 56, and with the portion of terminal 44a of stationary fixture 56 and top contact 41 clamping fuses 44, to connect.Thus,, also can prevent the distortion of stationary fixture 56 and top contact 41, keep the contact between fuse 44 and the stationary fixture 56 even press liter in when cutting off big electric current.In addition, also can prevent the temperature rise of fuse 44 portion of terminal 44a.
(11) in insulating cylinder 42, formed the restrictions 42c that restriction insulating cylinder 42 moves with respect to bottom contact 47 downwards.Thus, be expected to prevent insulating cylinder 42 coming off with respect to bottom contact 47.
Claims (11)
1. fuse tube that high-tension fuse is used, its structure is as follows: in the insulating cylinder of tubular upper contact has been fixed in the upper end, run through the bottom contact with ring-type contact site is installed, and in the lower end of this insulating cylinder, fastening display barrel is between this bottom contact and this display barrel, the parts of energizing, be seated in the fuse in the above-mentioned insulating cylinder, by the above-mentioned parts of energizing, stretching is arranged between top contact and the bottom contact; It is characterized in that:
At the bottom of this bottom contact side face, be formed with flange part, be used for this fuse wound packages is discharged to front end and this flange part butt of the hook stick on the high-tension fuse, in the lower portion of this flange part, be formed with a pair of engaging protuberance that the hook stick card can be ended.
2. the fuse tube of using according to the high-tension fuse of claim 1 record is characterized in that:
Be provided with the restriction projection on the lower end periphery of above-mentioned bottom contact, this restriction projection is when being set to above-mentioned fuse stretching between above-mentioned top contact and the above-mentioned bottom contact, and the fuse lead-in wire that limits above-mentioned fuse moves.
3. the fuse tube of using according to the high-tension fuse of claim 2 record is characterized in that:
Above-mentioned display barrel, with the lower surface of this display barrel be in than the lower surface of above-mentioned insulating cylinder more on the upper side the form of the position of side be mounted.
4. the fuse tube of using according to the high-tension fuse of claim 3 record is characterized in that:
The outer peripheral face of above-mentioned display barrel is the conical surface of hole enlargement up.
5. the fuse tube of using according to the high-tension fuse of claim 4 record is characterized in that:
Lower, outer perimeter face at above-mentioned display barrel is formed with a plurality of projections, connects the circumscribed circle diameter on each projection summit, sets for the maximum outside diameter of above-mentioned display barrel roughly the same.
6. the fuse tube of using according to the high-tension fuse of claim 5 record is characterized in that:
Be provided with secure component on the contact of above-mentioned bottom, be provided with in the end of above-mentioned fuse lead-in wire and press-fit terminal, this press-fits terminal and has the breach recess that is fastened on the above-mentioned secure component.
7. the fuse tube of using according to the high-tension fuse of claim 6 record is characterized in that:
The secure component of above-mentioned bottom contact comprises clamp nut and pad.
8. the fuse tube of using according to the high-tension fuse of claim 7 record is characterized in that:
On above-mentioned pad, be provided with the reflex part that engages with above-mentioned clamp nut.
9. the fuse tube used of high-tension fuse of record according to Claim 8 is characterized in that:
The outstanding screw portion that is provided with on the secure component of above-mentioned bottom contact,
This screw portion has been carried out distortion and the row anticreep is handled after above-mentioned clamp nut and above-mentioned pad install.
10. the fuse tube of using according to the high-tension fuse of any record of claim 1～9 is characterized in that:
Stationary fixture inside between the bottom of upper end that is anchored on above-mentioned insulating cylinder and above-mentioned top contact, insert after the above-mentioned fuse, this above-mentioned contact is screwed onto the top of this stationary fixture, and the portion of terminal of this fuse is being connected by the clamping of this stationary fixture and this top contact.
11. the fuse tube according to the high-tension fuse of claim 10 record is used is characterized in that:
At the outer peripheral face of above-mentioned insulating cylinder, be formed with above-mentioned bottom contact and engage, limit the restrictions that this insulating cylinder moves down with respect to this bottom contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201161566U CN201196941Y (en) | 2008-05-08 | 2008-05-08 | Fuse barrel for high voltage fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201161566U CN201196941Y (en) | 2008-05-08 | 2008-05-08 | Fuse barrel for high voltage fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201196941Y true CN201196941Y (en) | 2009-02-18 |
Family
ID=40416571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201161566U Expired - Fee Related CN201196941Y (en) | 2008-05-08 | 2008-05-08 | Fuse barrel for high voltage fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201196941Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103928273A (en) * | 2014-05-04 | 2014-07-16 | 马云涌 | Insulation closed type intelligent fuse |
| CN104103468A (en) * | 2014-07-03 | 2014-10-15 | 江苏省电力公司洪泽县供电公司 | Line connector provided with spring arc extinguishing device |
| CN104157529A (en) * | 2014-07-30 | 2014-11-19 | 江苏省电力公司洪泽县供电公司 | Special insulation rod for single-column and all-insulated line connector |
| WO2017030562A1 (en) * | 2015-08-18 | 2017-02-23 | Guillery Michael J | Hooked fuse barrels |
| CN111952134A (en) * | 2020-07-28 | 2020-11-17 | 湖南特诚成套电器有限公司 | Self-alarming injection type high-voltage fuse |
-
2008
- 2008-05-08 CN CNU2008201161566U patent/CN201196941Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103928273A (en) * | 2014-05-04 | 2014-07-16 | 马云涌 | Insulation closed type intelligent fuse |
| CN104103468A (en) * | 2014-07-03 | 2014-10-15 | 江苏省电力公司洪泽县供电公司 | Line connector provided with spring arc extinguishing device |
| CN104157529A (en) * | 2014-07-30 | 2014-11-19 | 江苏省电力公司洪泽县供电公司 | Special insulation rod for single-column and all-insulated line connector |
| WO2017030562A1 (en) * | 2015-08-18 | 2017-02-23 | Guillery Michael J | Hooked fuse barrels |
| CN111952134A (en) * | 2020-07-28 | 2020-11-17 | 湖南特诚成套电器有限公司 | Self-alarming injection type high-voltage fuse |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090218 Termination date: 20150508 |
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| EXPY | Termination of patent right or utility model |