CN202332762U - All-insulation outdoor ejection fuse - Google Patents
All-insulation outdoor ejection fuse Download PDFInfo
- Publication number
- CN202332762U CN202332762U CN 201120437770 CN201120437770U CN202332762U CN 202332762 U CN202332762 U CN 202332762U CN 201120437770 CN201120437770 CN 201120437770 CN 201120437770 U CN201120437770 U CN 201120437770U CN 202332762 U CN202332762 U CN 202332762U
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- Prior art keywords
- fuse
- sliding contact
- insulating sleeve
- insulation
- core body
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- 238000009413 insulation Methods 0.000 title claims abstract description 35
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 17
- 229910052737 gold Inorganic materials 0.000 claims description 17
- 239000010931 gold Substances 0.000 claims description 17
- 239000004411 aluminium Substances 0.000 claims description 13
- 229910052782 aluminium Inorganic materials 0.000 claims description 13
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 12
- 229920001971 elastomer Polymers 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 4
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- 229910000906 Bronze Inorganic materials 0.000 description 7
- 239000010974 bronze Substances 0.000 description 7
- 239000011810 insulating material Substances 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 229920002379 silicone rubber Polymers 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
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- 238000007906 compression Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000452 restraining effect Effects 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 244000080575 Oxalis tetraphylla Species 0.000 description 1
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- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009422 external insulation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The utility model discloses an all-insulation outdoor ejection fuse, which relates to a fuse of an aerial insulation circuit. The all-insulation outdoor ejection fuse consists of a first core (A), a second core (B) and an auxiliary part (C). Insulation materials are used to covering and wrapping the whole fuse, the fuse is insulated from the outside, so the aerial insulation circuit is really in an all-insulation state; an upper terminal, a lower terminal, an upper contact, a lower contact, a load fuse piece and the like of the fuse are isolated from the outside, so that the accidents of electric discharge to twigs and other external objects caused by exposure live part of the fuse are avoided; and a fuse wire is burnt out under overcurrent, and one part of the fuse is obviously separated from a main body, so that an obvious breakpoint is ensured to be provided for circuit repair. The all-insulation outdoor ejection fuse can be a miniaturized and maintenance-free product for replacing a high-pressure drop-out fuse.
Description
Technical field
The utility model relates to the fuse of insulated overhead line, relates in particular to the outdoor ejection type fuse of a kind of all insulation.
Background technology
China's electric power system at present generally adopts insulated overhead line in urban distribution network, its use amount accounts for more than 70% of distribution.The outdoor drop-out type fuse is widely used in insulated overhead line; And existing outdoor drop-out type fuse on it lower connecting terminal and fusing carrier expose; There is not any insulation protection; This just makes insulated overhead line greatly reduce its insulation effect, brings hidden danger for the electrical power distribution system safe operation.
The utility model content
The purpose of the utility model just is to overcome the shortcoming and defect that prior art exists, and provides a kind of all insulation outdoor ejection type fuse (abbreviation fuse).
The purpose of the utility model is achieved in that
It is coated with insulating material the action element of fuse to be carried out outer cover, thereby makes the live part and the external insulation of fuse, avoids or reduce the various accidents of insulated overhead line.
Specifically, the utility model is made up of first core body, second core body and auxiliary component.
1, first core body is made up of housing pin, first sliding contact, second sliding contact, spring, spacing handle cap, second insulating sleeve, the 3rd sliding contact, ring flange, connecting screw rod, set lever, fuse and pressing plate;
Second sliding contact is inner at first sliding contact, the surface elasticity contact;
Fuse passes second sliding contact, and the front end handle cap of fuse is stuck in the second sliding contact front end stopper slot, and the fuse front end is fixed; Housing pin and the second sliding contact front end are through being threaded; Spring housing is in second sliding contact outside, and spacing handle cap is installed in the spring back, and spring one end is limited by the second sliding contact guide vane end stop, the limited handle cap restriction of an end; The pulling fuse drives second sliding contact and moves backward during use, compresses spring simultaneously and holds power;
After front member assembles, be inserted in second insulating sleeve, and be connected with the completion of second insulating sleeve, one end through first sliding contact; The second insulating sleeve other end is connected with the 3rd sliding contact;
Be connected successively before and after the 3rd sliding contact, ring flange, connecting screw rod and the set lever;
At last fuse one end is pulled out from the second insulating sleeve rear end, firmly make spring hold power during pulling and put in place, with pressing plate fuse one end is fixed in the holddown groove on the 3rd sliding contact then.
2, second core body is made up of the first fixed handle cap, aluminium adapter sleeve, Mume flower contact, the second fixed handle cap, connection gold utensil, first insulating sleeve, connection cord spud pile, screw 20 and the 4th sliding contact;
The aluminium adapter sleeve links to each other with first insulating sleeve upper end; Utilize the first fixed handle cap and aluminium adapter sleeve that Mume flower contact is fixed on first insulating sleeve upper end; Expose in first insulating sleeve outside at connecting plate position on the Mume flower contact, and the contact part on the Mume flower contact is in first insulating sleeve the inside;
It is inner again the first core body integral body to be tucked into first insulating sleeve below first insulating sleeve; Insert in the middle of the contact part on the Mume flower contact on the first core body top; And utilize the first sliding contact convex outer surfaces partly to accomplish and the contacting of Mume flower contact; Simultaneously the part of the contact on the Mume flower contact is tightly embraced first core body, and first core body comes off because of gravity when preventing that fuse from vertically installing; The second fixed handle cap, connection gold utensil are enclosed within the middle of the first insulating sleeve outside successively, and the second fixed handle cap is connected with first insulating sleeve through screw thread connecting the gold utensil upper end, prevents to connect gold utensil and gets loose; The 4th sliding contact is inner at first insulating sleeve, and the installation site is corresponding with the 3rd sliding contact position of first core body; The connection cord spud pile is installed in the first insulating sleeve lower end, is connected with first insulating sleeve through screw 20 successively.
3, auxiliary component comprises first insulating cover, lead-in terminal, connection screw, rubber outer protection cover, lead-out wire terminal, second insulating cover, connects screw and binding post;
After second core body is accomplished, at the compound one deck rubber outer protection of second core outer surface cover, only expose need with the external connecting branch; The lead-in terminal is connected through the connecting plate on the Mume flower contact that connects screw and second core body; The lead-out wire terminal is connected with the 4th sliding contact of second core body through the hole of the first insulating sleeve lower end side on second core body; Binding post is connected with the lead-out wire terminal through connecting screw; Respectively the upper/lower electrode part is all covered with first insulating cover, second insulating cover at last, accomplish the last insulation sealing of whole fuse.
Operation principle:
Earlier fuse is installed, firmly strain fuse in the time of installation, let the fuse contained spring hold power, with pressing plate fuse is fixed then.When line fault produced big fault current, fuse failure can't restraining spring, and core body is ejected in the energy-storaging spring elongation, and core body and Mume flower contact are separated to and make that circuit is electric to be separated.
The utility model compared with prior art has following advantage:
1. coated through with insulating material fuse integral body being carried out outer cover, fuse will keep insulation with the external world, make insulated overhead line realize real all insulation state;
2. owing to the upper and lower binding post of fuse, upper and lower contact and fusing carrier etc. are isolated from the outside, and have avoided causing its discharge accident to exterior objects such as branches because of exposing of fuse live part;
3. during the fuse overcurrent, fuse failure, a fuse part is obviously separated with main body, guarantees that line maintenance has tangible cut-off point;
4. because above-mentioned advantage, thereby make the utility model can become the regeneration product of high voltage drop-out type fuse cutout miniaturization, freedom from repairs.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is that the first core body A partial general view is separated figure;
Fig. 3 is the first core body A general assembly drawing;
Fig. 4 is that the second core body B partial general view is separated figure;
Fig. 5 is the second core body B general assembly drawing;
Fig. 6 is an auxiliary component C assembling exploded view;
Fig. 7 is auxiliary component C assembling general assembly drawing.
Among the figure:
The 1-housing pin; 2-first sliding contact; 3-second sliding contact;
The 4-spring; The spacing handle cap of 5-; 6-second insulating sleeve;
7-the 3rd sliding contact; The 8-ring flange; The 9-connecting screw rod;
The 10-set lever; The 11-fuse; The 12-pressing plate;
The 13-first fixed handle cap; 14-aluminium adapter sleeve; The 15-Mume flower contact;
The 16-second fixed handle cap; 17-connects gold utensil; 18-first insulating sleeve;
19-connection cord spud pile; The 20-screw; 21-the 4th sliding contact;
22-first insulating cover; 23-lead-in terminal; 24-connects screw;
25-rubber outer protection cover; 26-lead-out wire terminal; 27-second insulating cover;
28-connects screw; The 29-binding post.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is specified:
One, overall
Like Fig. 1, the utility model is made up of the first core body A, the second core body B and auxiliary component C.
1, the first core body A
Form by housing pin 1, first sliding contact 2, second sliding contact 3, spring 4, spacing handle cap 5, second insulating sleeve 6, the 3rd sliding contact 7, ring flange 8, connecting screw rod 9, set lever 10, fuse 11 and pressing plate 12 like Fig. 2,3, the first core body A;
Second sliding contact 3 is in first sliding contact, 2 inside, and surface elasticity contacts;
After front member assembles, be inserted in second insulating sleeve 6, and be connected with the completion of second insulating sleeve, 6 one ends through first sliding contact 2; Second insulating sleeve, 6 other ends are connected with the 3rd sliding contact 7;
The 3rd sliding contact 7, ring flange 8, connecting screw rod 9 are connected with set lever 10 front and back successively;
At last fuse 11 1 ends are pulled out from second insulating sleeve, 6 rear ends, firmly make spring 4 hold power during pulling and put in place, with pressing plate 12 fuse 11 1 ends are fixed in the holddown groove on the 3rd sliding contact 7 then.
2, the second core body B
As Fig. 4,5, the second core body B by the first fixed handle cap 13, aluminium adapter sleeve 14, Mume flower contact 15, the second fixed handle cap 16, connect gold utensil 17, first insulating sleeve 18, connection cord spud pile 19, screw 20 and the 4th sliding contact 21 and form;
Again the first core body A integral body is tucked into first insulating sleeve, 18 inside below first insulating sleeve 18; Insert in the middle of the contact part on the Mume flower contact 15 on the first core body A top; And utilize first sliding contact, 2 convex outer surfaces partly to accomplish and the contacting of Mume flower contact 15; Simultaneously the part of the contact on the Mume flower contact 15 is tightly embraced the first core body A, and the first core body A comes off because of gravity when preventing that fuse from vertically installing; The second fixed handle cap 16, connect gold utensil 17 be enclosed within successively first insulating sleeve 18 outside in the middle of, the second fixed handle cap 16 is connected with first insulating sleeve 18 through screw thread connecting gold utensil 17 upper ends, prevents to connect gold utensil 17 and gets loose; The 4th sliding contact 21 is in first insulating sleeve, 18 inside, and the installation site is corresponding with the 3rd sliding contact 7 positions of the first core body A; Connection cord spud pile 19 is installed in first insulating sleeve, 18 lower ends, is connected with first insulating sleeve 18 through screw 20 successively.
3, auxiliary component C
Like Fig. 6,7, auxiliary component comprises first insulating cover 22, lead-in terminal 23, connects screw 24, rubber outer protection cover 25, lead-out wire terminal 26, second insulating cover 27, connect screw 28 and binding post 29;
After the second core body B accomplishes, at the compound one deck rubber outer protection cover 25 of the second core body B outer surface, only expose need with the external connecting branch; Lead-in terminal 23 is connected through the connecting plate on the Mume flower contact 15 that connects screw 24 and the second core body B; Lead-out wire terminal 26 is connected with the 4th sliding contact 21 of the second core body B through the hole of last first insulating sleeve of the second core body B 18 lower end side; Binding post 29 is connected with lead-out wire terminal 26 through connecting screw 28; Respectively the upper/lower electrode part is all covered with first insulating cover 22, second insulating cover 27 at last, accomplish the last insulation sealing of whole fuse.
Two, parts
01, housing pin 1
Adopt cylindrical beryllium-bronze to process.
Its function is the handle cap that compresses fuse 11 ends, and fuse 11 1 ends are fixed, and when changing fuse 11, housing pin 1 is screwed out, and can fuse 11 be taken out from core body A front end.
02, first sliding contact 2
First sliding contact 2 is cylindrical, and the two ends diameter is little, and mid diameter is big, and an end outer surface has convexity, and other end outer surface has screw thread, middle hollow.
Adopt cylindrical beryllium-bronze to process,
Its effect is to be with a protruding end and Mume flower contact 15 to accomplish machinery and be electrically connected, and the other end is connected with second insulating sleeve 6.
03, second sliding contact 3 is cylindrical, and forward end outside is provided with boss, and set inside has stopper slot.
Adopt cylindrical beryllium-bronze to process.
Its effect is to utilize boss and stopper slot and fuse 11, spring 4 and spacing handle cap 5 to constitute spring mechanism.
Pulling fuse 11, the second sliding contacts 3 are retreated, its boss compression spring 4 accumulation of energys;
Otherwise, fuse 11 fusing, second sliding contact 3 is ejected by spring 4, after the upper limit motion, produces reaction force, makes core body 1 break away from the constraint of Mume flower contact 15, thereby causes coming off in the fuse.
04, spring 4
The stored energy ability released energy during extension when its effect was compression; After fuse 11 fusing, the first core body A is ejected.
05, spacing handle cap 5
Spacing handle cap 5 is hollow cylinder, and an end has external screw thread, and an end has boss.
Adopt the processing of cylindrical aluminium alloy.
Its effect restraining spring 4 moves down.
06, second insulating sleeve 6
Second insulating sleeve 6 is hollow cylinder, and two ends are provided with external screw thread.
Adopt the materials processing of insulative cylinders shape.
Its effect is to support and insulation.
07, the 3rd sliding contact 7
The 3rd sliding contact 7 two ends are cylindrical, are provided with internal thread; The centre is a hemisection cone, and tangent plane is provided with two fixing threaded holes.
The employing beryllium-bronze processes.
Its effect is fixing fuse 11, and accomplish fuse electric continuously.
08, ring flange 8
Process by insulating material.
Its effect is: the upper end connects the 3rd sliding contact 7, and the lower end connects set lever 10; Another effect is equivalent to the bottom lid of first insulating sleeve 18, accomplishes the insulation sealing to fuse.
09, connecting screw rod 9
Connecting screw rod 9 is a standard component.
Its effect is that ring flange 8 and set lever 10 are linked together.
10, set lever 10
Set lever 10 is cylindrical, and an end has boss, and threaded endoporus is set, and the other end is provided with stopper slot.
Process by the cylindrical aluminium alloy.
Its effect is that the coordinated insulation action bars carries out change of fuse.
11, fuse 11
12, pressing plate 12
Pressing plate 12 is flat, and two screws are arranged.
Adopt dull and stereotyped beryllium-bronze to process.
Its effect is fixing fuse 11.
13, the first fixed handle cap 13
The first fixed handle cap 13 is a standard component.
Its effect is together Mume flower contact 15 to be fixed on first insulating sleeve, 18 upper ends with aluminium adapter sleeve 14.
14, the aluminium adapter sleeve 14
Process by aluminium alloy.
Its effect is to cooperate the first fixed handle cap 13 together Mume flower contact 15 to be fixed on first insulating sleeve, 18 upper ends.
15, Mume flower contact 15
Process by beryllium-bronze,
Its effect is to be connected with first sliding contact 2 to accomplish to be electrically connected.
16, the second fixed handle cap 16
The second fixed handle cap 16 is standard components, circular band internal thread.
Its effect is to be fixedly connected gold utensil 17.
17, connect gold utensil 17
The processing of employing stainless steel.
Its effect is that fuse is fixed on the circuit cross-arm.
18, first insulating sleeve 18
First insulating sleeve 18 is irregular cylindric, is divided into three sections by diameter, reduces step by step, and minimum diameter section leading portion is provided with internal thread, and maximum gauge section leading portion is provided with internal thread, and the side is provided with aperture.
Adopt cylindric insulating material to process.
Its effect is as fuse insulation protection and mechanical support.
19, the connection cord spud pile 19
Connection cord spud pile 19 is irregular cuboid, and one side is provided with two installing holes, and another side is provided with an installing hole, all is provided with internal thread.
The employing stainless steel processes.
Its effect is that connection cord (safeguard measure that adopts when changing fuse) is installed.
20, screw 20
Its effect is that connection cord spud pile 19 is fixed on first insulating sleeve 18.
21, the 4th sliding contact 21
The 4th sliding contact 21 is circular, is provided with external screw thread, and a side is porose, and there is internal thread the inside, hole.
Adopt circular beryllium-bronze to process.
Its effect is mounted in first insulating sleeve, 18 inside, inboard contact with the 3rd sliding contact 7, guarantees electric continuously, and the outside is passed through the hole and is connected with lead-out wire terminal 27, and power supply is picked out.
22, first insulating cover 22
First insulating cover 22 is bell shape, and the upper end hole diameter is slightly less than the lead-in cable external diameter.
Adopt the silicon rubber mould moulding.
Its effect is that fuse lead-in one end exerteding metalwork is sealed, and accomplishes the integral insulation sealing of fuse.
23, the lead-in terminal 23
Lead-in terminal 23 is a standard component.
Its effect is mounted in the lead-in cable end piece, and is connected with Mume flower contact 15 upper end binding posts, external power source and fuse is accomplished be electrically connected.
24, connect screw 24
Connecting screw 24 is standard component.
Its effect is to accomplish being connected of lead-in terminal 23 and Mume flower contact 15 upper end binding posts.
25, the rubber outer protection cover 25
Rubber outer protection cover 25 is cylindric, and the outside is provided with several full skirts.
Adopt the silicon rubber mould moulding.
Its effect is the outer surface that covers the second core body B, and insulation, waterproof guarantee the air insulation distance between high-field electrode and the grounding electrode.
26, the lead-out wire terminal 26
Lead-out wire terminal 26 1 ends are screw mandrels, and an end is flat, has installing hole.
Adopt T2 copper to process.
Its effect is to be connected with the 4th sliding contact 21, power supply is drawn, and be connected with binding post 29.
27, second insulating cover 27
Second insulating cover 27 is bell shape, and the upper end hole diameter is slightly less than the outgoing cable external diameter.
Adopt the silicon rubber mould moulding.
Its effect is that fuse lead-out wire one end exerteding metalwork is sealed, and accomplishes the integral insulation sealing of fuse.
28, connect screw 28
Connecting screw 28 is standard component.
Its effect is to accomplish being connected of lead-out wire terminal 26 and binding post 29.
29, binding post 29
Binding post 29 is a standard component.
It is terminal that its effect is mounted in the ground connection outgoing cable, and be connected with lead-out wire terminal 26, and power supply is drawn.
Three, production technology
The production technology of the utility model comprises the following steps:
1. metalwork is bought by drawing or carried out the machining moulding;
2. assemble according to drawing;
3. the parts that assemble are put into mould composite silicone rubber overcoat;
4. adopt notes rubber machine to cooperate mold integral to annotate the rubber moulding first insulating cover 22 and second insulating cover 27;
5. the product of compound good silastic material is installed on the line, and with first insulating cover 22 with second insulating cover 27 respectively to fuse introducing line end with draw line end and insulate, coat fluid sealant again.
Claims (10)
1. the outdoor ejection type fuse of an all insulation is characterized in that:
Form by first core body (A), second core body (B) and auxiliary component (C);
Described first core body (A) is made up of housing pin (1), first sliding contact (2), second sliding contact (3), spring (4), spacing handle cap (5), second insulating sleeve (6), the 3rd sliding contact (7), ring flange (8), connecting screw rod (9), set lever (10), fuse (11) and pressing plate (12);
Second sliding contact (3) is in first sliding contact (2) inside, and surface elasticity contacts;
Fuse (11) passes second sliding contact (3), and the front end handle cap of fuse (11) is stuck in second sliding contact (3) the front end stopper slot, and fuse (11) front end is fixed; Housing pin (1) and second sliding contact (3) front end are through being threaded; Spring (4) is enclosed within second sliding contact (3) outside, and spacing handle cap (5) is installed in spring, and (4 at the back, and spring (4) one ends are by the restriction of second sliding contact (3) guide vane end stop, and the limited handle cap of an end (5) limits; Pulling fuse (11) drives second sliding contact (3) and moves backward during use, compresses spring (4) simultaneously and holds power;
After front member assembles, be inserted in second insulating sleeve (6), and be connected with the completion of second insulating sleeve (6) one ends through first sliding contact (2); Second insulating sleeve (6) other end is connected with the 3rd sliding contact (7);
Be connected successively before and after the 3rd sliding contact (7), ring flange (8), connecting screw rod (9) and the set lever (10);
At last fuse (11) one ends are pulled out from second insulating sleeve (6) rear end, spring (4) power of holding is put in place, use pressing plate (12) that fuse (11) one ends are fixed in the holddown groove on the 3rd sliding contact (7) then;
Described second core body (B) is by the first fixed handle cap (13), aluminium adapter sleeve (14), Mume flower contact (15), the second fixed handle cap (16), connection gold utensil (17), first insulating sleeve (18), connection cord spud pile (19), screw (20) and the 4th sliding contact 21) form;
Aluminium adapter sleeve (14) links to each other with first insulating sleeve (18) upper end; Utilize the first fixed handle cap (13) and aluminium adapter sleeve (14) that Mume flower contact (15) is fixed on first insulating sleeve (18) upper end; Expose in first insulating sleeve (18) outside at connecting plate position on the Mume flower contact (15), and the contact part on the Mume flower contact (15) is in first insulating sleeve (18) the inside;
Again with whole first insulating sleeve (18) inside that below first insulating sleeve (18), is tucked into of first core body (A); Insert in the middle of the contact part on the Mume flower contact (15) on first core body (A) top; And utilize first sliding contact (2) convex outer surfaces partly to accomplish and the contacting of Mume flower contact (15); Simultaneously the contact part on the Mume flower contact (15) is tightly embraced first core body (A), and first core body (A) comes off because of gravity when preventing that fuse from vertically installing; It is outside middle that the second fixed handle cap (16), connection gold utensil (17) are enclosed within first insulating sleeve (18) successively; The second fixed handle cap (16) is connecting gold utensil (17) upper end; Be connected with first insulating sleeve (18) through screw thread, prevent to connect gold utensil (17) and get loose; The 4th sliding contact (21) is in first insulating sleeve (18) inside, and the installation site is corresponding with the 3rd sliding contact (7) position of first core body (A); Connection cord spud pile (19) is installed in first insulating sleeve (18) lower end, is connected with first insulating sleeve (18) through screw (20) successively;
Described auxiliary component comprises first insulating cover (22), lead-in terminal (23), connection screw (24), rubber outer protection cover (25), lead-out wire terminal (26), second insulating cover (27), connects screw (28) and binding post (29);
After second core body (B) is accomplished, at second core body (B) outer surface compound one deck rubber outer protection cover (25), only expose need with the external connecting branch; Lead-in terminal (23) is connected through the connecting plate on the Mume flower contact (15) that connects screw (24) and second core body (B); Lead-out wire terminal (26) is connected with the 4th sliding contact (21) of second core body (B) through the hole of last first insulating sleeve of second core body (B) (18) lower end side; Binding post (29) is connected with lead-out wire terminal (26) through connecting screw (28); Use first insulating cover (22), second insulating cover (27) respectively the upper/lower electrode part all to be covered at last, accomplish the last insulation sealing of whole fuse.
2. by the outdoor ejection type fuse of the described a kind of all insulation of claim 1, it is characterized in that:
Described first sliding contact (2) is cylindrical, and the two ends diameter is little, and mid diameter is big, and an end outer surface has convexity, and other end outer surface has screw thread, middle hollow.
3. by the outdoor ejection type fuse of the described a kind of all insulation of claim 1, it is characterized in that:
Described second sliding contact (3) is cylindrical, and forward end outside is provided with boss, and set inside has stopper slot.
4. by the outdoor ejection type fuse of the described a kind of all insulation of claim 1, it is characterized in that:
Described the 3rd sliding contact (7) two ends are cylindrical, are provided with internal thread; The centre is a hemisection cone, and tangent plane is provided with two fixing threaded holes.
5. by the outdoor ejection type fuse of the described a kind of all insulation of claim 1, it is characterized in that:
Described the 4th sliding contact (21) is circular, is provided with external screw thread, and a side is porose, and there is internal thread the inside, hole.
6. by the outdoor ejection type fuse of the described a kind of all insulation of claim 1, it is characterized in that:
Described Mume flower contact (15) one ends touch son by many lobes and form claw-like, and an end is flat terminal.
7. by the outdoor ejection type fuse of the described a kind of all insulation of claim 1, it is characterized in that:
Described connection gold utensil (17) is circular, and the side is provided with and a flat wire row, and two installing holes are arranged above.
8. by the outdoor ejection type fuse of the described a kind of all insulation of claim 1, it is characterized in that:
Described first insulating sleeve (18) is irregular cylindric, is divided into three sections by diameter, reduces step by step, and minimum diameter section leading portion is provided with internal thread, and maximum gauge section leading portion is provided with internal thread, and the side is provided with aperture.
9. by the outdoor ejection type fuse of the described a kind of all insulation of claim 1, it is characterized in that:
Described first insulating cover (22) and second insulating cover (27) all are bell shape, and the upper end hole diameter is slightly less than the lead-in cable external diameter.
10. by the outdoor ejection type fuse of the described a kind of all insulation of claim 1, it is characterized in that:
Described rubber outer protection cover (25) is cylindric, and the outside is provided with several full skirts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120437770 CN202332762U (en) | 2011-11-08 | 2011-11-08 | All-insulation outdoor ejection fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120437770 CN202332762U (en) | 2011-11-08 | 2011-11-08 | All-insulation outdoor ejection fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202332762U true CN202332762U (en) | 2012-07-11 |
Family
ID=46444734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120437770 Expired - Fee Related CN202332762U (en) | 2011-11-08 | 2011-11-08 | All-insulation outdoor ejection fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202332762U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102509677A (en) * | 2011-11-08 | 2012-06-20 | 武汉雷泰电力新技术有限公司 | All-insulated outdoor ejection type fuse |
| CN102779705A (en) * | 2012-08-06 | 2012-11-14 | 象山县供电局 | Fuse |
| CN107316790A (en) * | 2017-07-26 | 2017-11-03 | 河南平开科技有限公司 | A kind of fusing injection structure of the injection fuse box with anti-slow separating device |
| CN107359095A (en) * | 2017-07-26 | 2017-11-17 | 河南平开科技有限公司 | A kind of fusing injection structure being used in outdoor closed injection fuse box |
-
2011
- 2011-11-08 CN CN 201120437770 patent/CN202332762U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102509677A (en) * | 2011-11-08 | 2012-06-20 | 武汉雷泰电力新技术有限公司 | All-insulated outdoor ejection type fuse |
| CN102779705A (en) * | 2012-08-06 | 2012-11-14 | 象山县供电局 | Fuse |
| CN102779705B (en) * | 2012-08-06 | 2015-01-14 | 象山县供电局 | Fuse |
| CN107316790A (en) * | 2017-07-26 | 2017-11-03 | 河南平开科技有限公司 | A kind of fusing injection structure of the injection fuse box with anti-slow separating device |
| CN107359095A (en) * | 2017-07-26 | 2017-11-17 | 河南平开科技有限公司 | A kind of fusing injection structure being used in outdoor closed injection fuse box |
| CN107316790B (en) * | 2017-07-26 | 2019-10-25 | 河南平开科技有限公司 | It is a kind of with preventing the injection fuse box of slow separating device fusing injection structure |
| CN107359095B (en) * | 2017-07-26 | 2021-10-26 | 李丽萍 | Fusing injection structure for outdoor closed type injection fuse |
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Owner name: STATE ELECTRIC NET CROP. WUHAN LEITAI POWER NEW TE Free format text: FORMER OWNER: WUHAN LEITAI POWER NEW TECHNOLOGY CO., LTD. Effective date: 20130107 |
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Effective date of registration: 20130107 Address after: 046011 No. 158 Taihang East Street, Shanxi, Changzhi Patentee after: Changzhi Power Supply Branch of Shanxi Electric Power Corporation Patentee after: State Grid Corporation of China Patentee after: Wuhan Leitai Electric Power New Technology Co.,Ltd. Address before: 046011 No. 158 Taihang East Street, Shanxi, Changzhi Patentee before: Changzhi Power Supply Branch of Shanxi Electric Power Corporation Patentee before: Wuhan Leitai Electric Power New Technology Co.,Ltd. |
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