CN114743846B - Fireproof fuse capable of fusing and replacing wires - Google Patents
Fireproof fuse capable of fusing and replacing wires Download PDFInfo
- Publication number
- CN114743846B CN114743846B CN202210457253.6A CN202210457253A CN114743846B CN 114743846 B CN114743846 B CN 114743846B CN 202210457253 A CN202210457253 A CN 202210457253A CN 114743846 B CN114743846 B CN 114743846B
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- China
- Prior art keywords
- cavity
- fuse
- shell
- wall
- adjusting seat
- 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.)
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Links
- 239000003814 drug Substances 0.000 claims abstract description 27
- 230000002265 prevention Effects 0.000 claims abstract description 6
- 238000002347 injection Methods 0.000 claims abstract description 5
- 239000007924 injection Substances 0.000 claims abstract description 5
- 238000009833 condensation Methods 0.000 claims description 6
- 230000005494 condensation Effects 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 3
- 229940116318 copper carbonate Drugs 0.000 claims description 3
- GEZOTWYUIKXWOA-UHFFFAOYSA-L copper;carbonate Chemical compound [Cu+2].[O-]C([O-])=O GEZOTWYUIKXWOA-UHFFFAOYSA-L 0.000 claims description 3
- 230000010354 integration Effects 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 description 5
- 239000001569 carbon dioxide Substances 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- ZMMDPCMYTCRWFF-UHFFFAOYSA-J dicopper;carbonate;dihydroxide Chemical compound [OH-].[OH-].[Cu+2].[Cu+2].[O-]C([O-])=O ZMMDPCMYTCRWFF-UHFFFAOYSA-J 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- H01H85/26—Magazine arrangements
- H01H85/28—Magazine arrangements effecting automatic replacement
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
-
- 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
- H01H85/0013—Means for preventing damage, e.g. by ambient influences to the fuse
- H01H85/0021—Means for preventing damage, e.g. by ambient influences to the fuse water or dustproof devices
-
- 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
Abstract
The invention discloses a fireproof fuse capable of fusing and replacing wires, which comprises a shell fixedly installed in power distribution equipment, wherein a sealing plate is hinged to an opening at the lower end of the shell, two connecting sleeves are integrally and symmetrically arranged on two sides of the upper end of the shell, meanwhile, a wire connecting pipe is fixedly arranged on the inner side of each sleeve, a connecting cable is arranged on the inner side of each wire connecting pipe, and connecting bolts are connected with the inner sides of the connecting sleeves and the wire connecting pipe in a threaded manner; the fire extinguishing box is fixedly connected to the upper surface of the shell, a medicament cavity is arranged on the inner side of the fire extinguishing box, a condensing cavity is arranged on the outer side of the medicament cavity, the medicament cavity and the condensing cavity are mutually communicated, and an air injection hole is formed between the condensing cavity and the shell. This can fuse from fire prevention formula fuse of trading silk can trade the silk automatically according to the heat that produces when breaking the silk, need not staff's on-the-spot operation, can realize automatic fire extinguishing, fire prevention simultaneously, ensured the safety in utilization.
Description
Technical Field
The invention relates to the technical field of fuses, in particular to a fireproof fuse capable of fusing a self-changing wire.
Background
The fuse is an electric appliance which fuses a melt by heat generated by the fuse when the current exceeds a specified value to break a circuit, and is an indispensable protection device in a power system, but the existing fuse still has some defects.
The utility model discloses an automatic replacement device of fuse for switch board, at the during operation, rotate the bin, it is rotatory to drive the bin through the axis of rotation, rotate the position of advancing the thing groove, through the frame extrusion telescopic block of advancing the thing groove, make telescopic block to stretching spring one side compression, and then drive the sliding rod and remove … … compression spring and promote the organism inside with the fuse through the roof, the spliced pole passes through the inside that the guide rail got into the organism, both sides guide rail inside is provided with the antiskid sheet, just so can restrict the fuse inside the organism, need not additionally purchase new equipment when changing, can guarantee timely reconnection with the circuit, and the fuse of partial circuit need restart immediately after the fusing, but still need the staff to operate in the outside in the use, can not carry out automatic replacement to the fuse-element, when having increased operation danger, the recovery rate of electric power system has not been slowed down, simultaneously its can not play fine fire behavior in the fusing process, make the high temperature that the fusing process produced destroy equipment wholly, there is certain use defect.
We have therefore proposed a flame-retardant fuse that fuses self-changing wires in order to solve the problems set forth above.
Disclosure of Invention
The invention aims to provide a fireproof fuse capable of fusing a self-changing wire, which solves the problems that the fuse in the prior market provided by the background technology cannot automatically change a melt, increases the operation danger, does not slow down the recovery speed of a power system, and cannot play a good role in fireproof performance in the fusing process, so that the whole equipment is damaged by high temperature generated in the fusing process.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a can fuse from fire prevention formula fuse of trading silk, includes the casing of fixed mounting in distribution equipment inside, just the lower extreme opening part of casing articulates there is the closing plate, and the upper end both sides integration symmetry of casing is provided with two adapter sleeves, simultaneously the inboard fixed wiring pipe that is provided with of sheathed tube, moreover the inboard of wiring pipe is provided with the connecting cable, the inboard all threaded connection of adapter sleeve and wiring pipe has the binding bolt, just the lower extreme of binding bolt is contradicted in the outside of connecting cable;
Further comprises:
The accommodating cavity is formed in the inner side of the end part of the wiring tube, and a conductive connecting block is movably arranged on the inner side of the accommodating cavity;
the shaft rod is connected to the inner side of the shell in a shaft way, a carrying seat is fixedly arranged on the outer side of the shaft rod, a carrying cavity is formed in the outer wall of the carrying seat, and a fuse tube is arranged on the inner side of the carrying cavity;
The adjusting seat is connected with the two ends of the shell through a shaft, is of an annular structure, and is provided with a clamping groove on the inner wall;
The fire extinguishing box is fixedly connected to the upper surface of the shell, a medicament cavity is arranged on the inner side of the fire extinguishing box, a condensing cavity is arranged on the outer side of the medicament cavity, the medicament cavity and the condensing cavity are mutually communicated, and an air injection hole is formed between the condensing cavity and the shell.
Preferably, the conductive connecting block is arranged in a cylindrical structure, the outer wall of the conductive connecting block is attached to the inner wall of the accommodating cavity, and the conductive connecting block and the connecting sleeve form a telescopic structure.
Through adopting above-mentioned technical scheme for electrically conductive splicing block can laminate with the fuse tube tip through concertina movement, and then realizes the switch-on to the circuit, also can avoid the emergence of line contact bad condition in the use simultaneously.
Preferably, the end part of the conductive connecting block is fixedly provided with a first magnetic block with an annular structure, the outer side of the end part of the fuse tube is fixedly provided with a second magnetic block with an annular structure, the magnetic poles of the second magnetic block and the magnetic poles of the first magnetic block are opposite, and a first reset spring is connected between the conductive connecting block and the connecting sleeve.
Through adopting above-mentioned technical scheme for when the fuse tube moved to electrically conductive splicing block outside relative position, electrically conductive splicing block can carry out elastic expansion under the magnetic force effect of first magnetic path and second magnetic path, and then realizes the switch-on of circuit.
Preferably, the carrying cavity is equiangularly arranged on the outer wall of the carrying seat, and the inner diameter of the carrying cavity is smaller than the diameters of the two ends of the fuse tube.
Through adopting above-mentioned technical scheme for the transport seat can carry the fuse tube through the transport chamber that its outside equiangular point was offered, makes the fuse tube can be stable the outside of motion to electrically conductive splicing block, thereby is convenient for follow-up fuse tube's connection, can avoid the fuse tube to receive magnetic force effect and take place to slide simultaneously in the use.
Preferably, the adjusting seat is in a circular structure, a traction rope is wound on the outer side of the adjusting seat, the other end of the traction rope is fixedly connected to the end part of the conductive connecting block, and a torsion spring is connected between the adjusting seat and the shell.
Through adopting above-mentioned technical scheme for electrically conductive splicing removes in-process, can rotate through haulage rope pulling adjustment seat, thereby realizes adjusting the automatically regulated of seat position, and when the magnetic force of first magnetic path and second magnetic path both diminishes, it can rotate under torsion spring's elasticity effect and reset, and then realizes the regulation to the axostylus axostyle.
Preferably, the adjusting seat is sleeved with the shaft rod, a groove is formed in the part of the outer wall of the shaft rod, which is positioned at the inner side of the adjusting seat, at equal angles, and the inner side shaft of the groove is connected with a latch.
Through adopting above-mentioned technical scheme for adjust the seat when anticlockwise rotation, the latch can be in the automatic rotation income recess under external conflict, thereby can avoid adjusting the seat and drive the axostylus axostyle and carry out synchronous rotation.
Preferably, a second reset spring is connected between the outer wall of the latch and the inner wall of the groove, and the latch and the clamping groove form a clamping structure.
Through adopting above-mentioned technical scheme for when adjusting the seat and rotating the reset under torsion spring effect, it can drive the draw-in groove that the inner wall was seted up and carry out the block with the latch and be connected, thereby can drive latch and axostylus axostyle and carry out synchronous revolution, and then adjust the position of axostylus axostyle outside transport seat, realize the automatic change to the fuse tube.
Preferably, the fire extinguishing box is made of heat conducting materials, basic copper carbonate powder is filled in the inner side of the medicament cavity, and heat conducting fins are uniformly arranged at the bottom of the fire extinguishing box at the position of the medicament cavity.
Through adopting above-mentioned technical scheme for when the inside condition of a fire that takes place of casing, heat conduction fin can give the box of putting out a fire with heat fast, thereby realizes carrying out rapid heating, decomposition to the medicament that medicament intracavity portion was deposited.
Preferably, the condensing cavity is in an annular structure, condensing plates are uniformly and alternately arranged on the inner walls of the two sides of the condensing cavity, and the condensing plates are obliquely arranged.
Through adopting above-mentioned technical scheme, can make carbon dioxide and vapor that produces in the medicament chamber can carry out the meandering flow in the condensation chamber for vapor in the mist can effectively condense, avoids vapor entering inside the casing and influences subsequent use, has improved the safety in utilization.
Compared with the prior art, the invention has the beneficial effects that: the fireproof fuse capable of fusing the self-changing wire can automatically change the wire according to heat generated during wire breakage, does not need on-site operation of staff, can realize automatic fire extinguishing and fire prevention, and ensures the use safety, and has the following specific contents;
1. The fuse wire clamping device is provided with the conductive connecting blocks and the carrying seats, when the fuse wire is broken, a large amount of heat can be generated in the process, the generated heat can heat the second magnetic block, the magnetism of the second magnetic block is further reduced, the magnetic force between the first magnetic block and the second magnetic block is reduced, the conductive connecting blocks can elastically stretch and retract under the elastic action of the first reset spring at the moment, the conductive connecting blocks are reset and far away from the fuse wire tube, meanwhile, the carrying seats are driven by the adjusting seats under the elastic action of the torsion spring to synchronously and automatically rotate, so that a new fuse wire tube moves between the two conductive connecting blocks, the conductive connecting blocks are attached and adsorbed to the outer sides of the fuse wire tube under the magnetic force, automatic connection is realized, and the fuse wire is automatically replaced after the automatic replacement is finished, and the operation is convenient and safe;
2. Be provided with the box of putting out a fire, when the casing is inside because of fuse tube overheat fires, heat conduction fin can carry out the quick conduction to the heat that produces to make the box of putting out a fire can heat the medicament of medicament intracavity portion, make produce a large amount of carbon dioxide, and then realize putting out a fire to the casing is inside, and the condensate plate can get rid of the steam in the mist simultaneously, avoids influencing the subsequent use of fuse.
Drawings
FIG. 1 is a schematic diagram of the main sectional structure of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic side cross-sectional view of the present invention;
FIG. 4 is a schematic view of a conductive bump structure according to the present invention;
FIG. 5 is a schematic view of the main sectional structure of the adjusting seat of the present invention;
FIG. 6 is a schematic side cross-sectional view of the adjusting seat of the present invention;
FIG. 7 is an enlarged schematic view of the structure of FIG. 3A according to the present invention;
Fig. 8 is a schematic diagram of the main sectional structure of the fire extinguishing box of the present invention.
In the figure: 1. a housing; 2. a connection sleeve; 3. a wire connection tube; 4. a connection cable; 5. a wiring bolt; 6. a receiving chamber; 7. a conductive connection block; 8. a first magnetic block; 9. a first return spring; 10. a sealing plate; 11. a shaft lever; 12. a carrying seat; 13. a carrying cavity; 14. a fuse tube; 15. a second magnetic block; 16. an adjusting seat; 17. a torsion spring; 18. a traction rope; 19. a groove; 20. latch teeth; 21. a second return spring; 22. a clamping groove; 23. a fire extinguishing box; 24. a medicament chamber; 25. a condensing chamber; 26. a heat conduction fin; 27. an air injection hole; 28. and a condensing plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, the present invention provides a technical solution: the utility model provides a can fuse from fire prevention formula fuse of trading silk, including fixed mounting in the inside casing 1 of distribution equipment, and the lower extreme opening part of casing 1 articulates there is closing plate 10, and the upper end both sides integration symmetry of casing 1 is provided with two adapter sleeve 2, the inboard fixed wiring tube 3 that is provided with of sleeve 2 simultaneously, and the inboard of wiring tube 3 is provided with connecting cable 4 moreover, the inboard all threaded connection of adapter sleeve 2 and wiring tube 3 has binding bolt 5, and the lower extreme of binding bolt 5 is contradicted in the outside of connecting cable 4;
Further comprises: the accommodating cavity 6 is formed in the inner side of the end part of the wiring tube 3, and a conductive connecting block 7 is movably arranged in the accommodating cavity 6; the shaft lever 11 is connected to the inner side of the shell 1 in an axial manner, a carrying seat 12 is fixedly arranged on the outer side of the shaft lever 11, a carrying cavity 13 is formed in the outer wall of the carrying seat 12, and a fuse tube 14 is arranged on the inner side of the carrying cavity 13; the adjusting seat 16 is connected to the two ends of the shell 1 through a shaft, the adjusting seat 16 is of an annular structure, and a clamping groove 22 is formed in the inner wall of the adjusting seat 16; the fire extinguishing box 23 is fixedly connected to the upper surface of the shell 1, a medicament cavity 24 is arranged on the inner side of the fire extinguishing box 23, a condensing cavity 25 is arranged on the outer side of the medicament cavity 24, the medicament cavity 24 and the condensing cavity 25 are mutually communicated, and a gas injection hole 27 is formed between the condensing cavity 25 and the shell 1.
The conductive connecting block 7 is arranged in a cylindrical structure, the outer wall of the conductive connecting block 7 is attached to the inner wall of the accommodating cavity 6, and the conductive connecting block 7 and the connecting sleeve 2 form a telescopic structure. The end part of the conductive connecting block 7 is fixedly provided with a first magnetic block 8 with an annular structure, the outer side of the end part of the fuse tube 14 is fixedly provided with a second magnetic block 15 with an annular structure, the magnetic poles of the second magnetic block 15 and the magnetic poles of the first magnetic block 8 are opposite, and a first reset spring 9 is connected between the conductive connecting block 7 and the connecting sleeve 2. The carrying cavity 13 is equiangularly arranged on the outer wall of the carrying seat 12, and the inner diameter of the carrying cavity 13 is smaller than the diameters of the two ends of the fuse tube 14. As shown in fig. 1-4, by opening the sealing plate 10, the fuse tubes 14 can be placed in the carrying cavity 13 one by one, after the fuse tubes 14 are placed, the fuse tubes 14 can be moved between the two conductive connecting blocks 7 by rotating the carrying seat 12, at this time, the conductive connecting blocks 7 can elastically stretch under the magnetic force action of the first magnetic block 8 and the second magnetic block 15, and then are attached to the fuse tubes 14, so that the fuse tubes 14 are connected, and meanwhile, in the moving process of the conductive connecting blocks 7, the adjusting seat 16 is pulled by the traction rope 18 to elastically rotate.
The adjusting seat 16 is arranged in a circular structure, a traction rope 18 is wound on the outer side of the adjusting seat 16, the other end of the traction rope 18 is fixedly connected to the end of the conductive connecting block 7, and a torsion spring 17 is connected between the adjusting seat 16 and the shell 1. The adjusting seat 16 is sleeved with the shaft rod 11, a groove 19 is formed in the part of the outer wall of the shaft rod 11, which is positioned at the inner side of the adjusting seat 16, at equal angles, and a latch 20 is connected to the inner side shaft of the groove 19. A second return spring 21 is connected between the outer wall of the latch 20 and the inner wall of the groove 19, and the latch 20 and the clamping groove 22 form a clamping structure. As shown in fig. 1-7, when the fuse tube 14 is broken, the temperature of the fuse tube is increased, so that the second magnetic block 15 is heated, and then the magnetic force of the second magnetic block 15 is reduced, at this time, the magnetic force between the first magnetic block 8 and the second magnetic block 15 is reduced, so that the conductive connecting block 7 is reset under the action of the elastic force of the first reset spring 9, meanwhile, the adjusting seat 16 is rotated and reset, in the rotating process of the adjusting seat 16, the clamping groove 22 formed in the inner wall of the adjusting seat 16 is automatically clamped with the clamping tooth 20, so that the shaft rod 11 and the carrying seat 12 are driven to synchronously rotate, at this time, the new fuse tube 14 can be transported to the outer side of the conductive connecting block 7, and at the same time, the conductive connecting block 7 is adsorbed with the fuse tube 14 again under the action of the magnetic force, so that the circuit is automatically connected.
The fire extinguishing box 23 is made of heat conducting materials, basic copper carbonate powder is filled in the inner side of the medicament cavity 24, and heat conducting fins 26 are uniformly arranged at the bottom of the fire extinguishing box 23 where the medicament cavity 24 is located. The condensing chamber 25 is annular structure setting, and condensing chamber 25's both sides inner wall evenly is provided with the condensing plate 28 in turn, and condensing plate 28 is the slope form setting, as shown in fig. 1-3 and fig. 8, when the inside fire that leads to because of fuse tube 14 is overheated of casing 1, heat-conducting fin 26 can effectively improve the heat absorption effect of fire extinguishing box 23, make the inside medicament of medicament chamber 24 fully heat of fire extinguishing box 23, make basic cupric carbonate can be heated and decomposed, and then produce carbon dioxide and partial mixed gas, when mixed gas gets into condensing chamber 25, condensing plate 28 can carry out effective condensation to the steam in the mixed gas, condensing plate 28 can accept the drop of water after the condensation simultaneously, and then avoid steam to get into equipment content influence electric connection, after carbon dioxide gets into casing 1 simultaneously, can play effectual fire extinguishing effect, and then effectively reduce the loss.
Working principle: when the fuse is used, firstly, as shown in fig. 1-8, the sealing plate 10 is opened to assemble a plurality of fuse tubes 14, the carrying seat 12 is rotated, the conductive connector 7 can be automatically attached to the end part of the fuse tube 14 under the action of magnetic force, so that circuit connection is realized, when the fuse tube 14 breaks, the generated heat can reduce the magnetic force of the first magnetic block 8 and the second magnetic block 15, so that the conductive connector 7 is reset, the adjusting seat 16 can adjust the position of the fuse tube 14, after the position adjustment is completed, the conductive connector 7 can be adsorbed on the outer side of a new fuse tube 14 again under the action of the magnetic force, so that circuit communication is realized, and when fire occurs in the inside of the fuse tube, the medicament on the inner side of the fire extinguishing box 23 can be decomposed by heating to generate a large amount of carbon dioxide, so that the inside of the shell 1 is effectively extinguished and fire is prevented, and a series of works are completed.
What has not been described in detail in this specification is prior art that is well known to those skilled in the art, and in the description of the present invention, unless otherwise specified, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (4)
1. The utility model provides a can fuse from fire prevention formula fuse of trading silk, includes fixed mounting in inside casing (1) of distribution equipment, just the lower extreme opening part of casing (1) articulates there is closing plate (10), and the upper end both sides integration symmetry of casing (1) is provided with two adapter sleeve (2), simultaneously the inboard of adapter sleeve (2) is fixed to be provided with wiring pipe (3), moreover the inboard of wiring pipe (3) is provided with connecting cable (4), the equal threaded connection of inboard of adapter sleeve (2) and wiring pipe (3) has binding bolt (5), just the lower extreme of binding bolt (5) is contradicted in the outside of connecting cable (4);
Characterized by further comprising:
The accommodating cavity (6) is formed in the inner side of the end part of the wiring tube (3), a conductive connecting block (7) is movably arranged in the accommodating cavity (6), the conductive connecting block (7) is in a cylindrical structure, the outer wall of the conductive connecting block (7) is attached to the inner wall of the accommodating cavity (6), and the conductive connecting block (7) and the connecting sleeve (2) form a telescopic structure;
The shaft lever (11) is connected to the inner side of the shell (1) in a shaft way, a carrying seat (12) is fixedly arranged on the outer side of the shaft lever (11), a carrying cavity (13) is formed in the outer wall of the carrying seat (12), and a fuse tube (14) is arranged on the inner side of the carrying cavity (13);
The end part of the conductive connecting block (7) is fixedly provided with a first magnetic block (8) with an annular structure, the outer side of the end part of the fuse tube (14) is fixedly provided with a second magnetic block (15) with an annular structure, the magnetic poles of the second magnetic block (15) and the magnetic poles of the first magnetic block (8) are opposite, and a first reset spring (9) is connected between the conductive connecting block (7) and the connecting sleeve (2);
The adjusting seat (16) is connected to the two ends of the shell (1) through a shaft, the adjusting seat (16) is of an annular structure, a clamping groove (22) is formed in the inner wall of the adjusting seat (16), the adjusting seat (16) is arranged in an annular structure, a traction rope (18) is wound on the outer side of the adjusting seat (16), the other end of the traction rope (18) is fixedly connected to the end part of the conductive connecting block (7), and a torsion spring (17) is connected between the adjusting seat (16) and the shell (1);
The adjusting seat (16) is sleeved with the shaft lever (11), grooves (19) are formed in the part of the outer wall of the shaft lever (11) which is positioned at the inner side of the adjusting seat (16) in an equal angle mode, and clamping teeth (20) are connected to the inner side shafts of the grooves (19);
a second reset spring (21) is connected between the outer wall of the latch (20) and the inner wall of the groove (19), and the latch (20) and the clamping groove (22) form a clamping structure;
the fire extinguishing box (23) is fixedly connected to the upper surface of the shell (1), a medicament cavity (24) is arranged on the inner side of the fire extinguishing box (23), a condensation cavity (25) is arranged on the outer side of the medicament cavity (24), the medicament cavity (24) and the condensation cavity (25) are mutually communicated, and a gas injection hole (27) is formed between the condensation cavity (25) and the shell (1).
2. A fusible self-changing fire protection fuse in accordance with claim 1, wherein: the carrying cavity (13) is formed in the outer wall of the carrying seat (12) at equal angles, and the inner diameter of the carrying cavity (13) is smaller than the diameters of the two ends of the fuse tube (14).
3. A fusible self-changing fire protection fuse in accordance with claim 1, wherein: the fire extinguishing box (23) is made of heat conducting materials, basic copper carbonate powder is filled in the inner side of the medicament cavity (24), and heat conducting fins (26) are uniformly arranged at the bottom of the fire extinguishing box (23) where the medicament cavity (24) is located.
4. A fusible self-changing fire protection fuse in accordance with claim 1, wherein: the condensing cavity (25) is arranged in an annular structure, condensing plates (28) are uniformly and alternately arranged on the inner walls of two sides of the condensing cavity (25), and the condensing plates (28) are obliquely arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210457253.6A CN114743846B (en) | 2022-04-28 | 2022-04-28 | Fireproof fuse capable of fusing and replacing wires |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210457253.6A CN114743846B (en) | 2022-04-28 | 2022-04-28 | Fireproof fuse capable of fusing and replacing wires |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114743846A CN114743846A (en) | 2022-07-12 |
| CN114743846B true CN114743846B (en) | 2024-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210457253.6A Active CN114743846B (en) | 2022-04-28 | 2022-04-28 | Fireproof fuse capable of fusing and replacing wires |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114743846B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110429014A (en) * | 2019-08-22 | 2019-11-08 | 杭州金心科技有限公司 | A kind of apparatus for automatic change of power distribution cabinet fuse |
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Effective date of registration: 20240328 Address after: No. 15 Zhenxing North Road, Fengjing Industrial Park, Xi'an City, Shaanxi Province, 710399 Applicant after: XI'AN WUHUAN SPECIAL FUSE Co.,Ltd. Country or region after: China Address before: 553200 Daying village committee, Weishe Township, Hezhang County, Bijie City, Guizhou Province Applicant before: Ao Lungui Country or region before: China |
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