CN201465950U - Fuse carrier used for drop-out fuse - Google Patents
Fuse carrier used for drop-out fuse Download PDFInfo
- Publication number
- CN201465950U CN201465950U CN2009200775372U CN200920077537U CN201465950U CN 201465950 U CN201465950 U CN 201465950U CN 2009200775372 U CN2009200775372 U CN 2009200775372U CN 200920077537 U CN200920077537 U CN 200920077537U CN 201465950 U CN201465950 U CN 201465950U
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- Prior art keywords
- fuse
- joint sleeve
- main part
- hole
- lower joint
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Abstract
The utility model discloses a fuse carrier for drop-out fuse which can reliably trigger a tripping device in opening operation to cause an upper contact pedestal to unlock and return to motion state. The drop-out fuse comprises a fuse carrier, upper and lower contact pedestals, an open-close operating mechanism, an insulator, upper and lower connecting terminals and upper and lower inserts; the lower connecting sleeve is sheathed at the lower end of the fuse carrier, the upper end of the fuse carrier is connected with the upper contact pedestal in open/closed way, the lower end is rotatably connected with the lower contact pedestal; the fuse carrier comprises a fuse tube, an upper contact arranged at the upper end of the fuse tube, an upper connecting sleeve sheathed at the upper part of the fuse tube and a lower connecting sleeve sheathed at the lower part of the fuse tube and also comprises a lever mechanism arranged on the upper connecting sleeve; the upper connecting sleeve comprises a main body, a neck and a head; the lever mechanism comprises a pull reel, a lever, a lever spring, a pin and a rivet; the lever comprises a top block, a loop bar and a mounting rod; and the lower connecting sleeve is provided with an inner hole capable of sheathing a fuse tube freely.
Description
Technical field
The utility model relates to a kind of fusing carrier that is used for fuse switch.
Background technology
Fuse switch is the most frequently used a kind of protective switch of the short circuit of 10kV distribution line branch line and distribution transformer; it have economy, easy to operate, adapt to characteristics such as outdoor environment is strong, be widely used in 10kV distribution line and distribution transformer primary side as protection with carry out the usefulness that equipment is thrown, cut operation.Its operation principle is: fuse is penetrated in the fusion tube, tighten at two ends, and make fuse be positioned at fusion tube upper middle side, last moving contact is upturned perpendicular to cartridge fuse owing to the tension force of fuse tension, to go up moving contact with insulated tension pole and push in the upper static contact, and become closure state ("on" position) and keep this state.When protected circuit breaks down, when fault current makes fuse failure, form electric arc; expulsion tube decomposites a large amount of gases under the high arc temperature effect, the pipe internal pressure is sharply increased, and gas is ejection at a high speed outwards; electric arc is formed strong vertical arc blow-out, electric arc is elongated rapidly and extinguish.Meanwhile, because fuse failure, the pulling force of fuse disappears, and retaining mechanism is discharged, and cartridge fuse falls around the lower shaft upset under the effect of the elastic force of upper static contact and deadweight thereof, forms tangible break distance.Circuit is disconnected, excision faulty section circuit or faulty equipment.
The upper contact head seat of the fuse switch of prior art generally can only carry out up and down, needs bigger operating physical force when the fusing carrier on/off switch.Along with fuse cut-offs constantly increasing of capacity, requiring has more contact pressure between contact, when this certainly will cause divide-shut brake bigger operating physical force will be arranged, and therefore demands urgently improving.
Summary of the invention
In order to reach the labour-saving purpose, realize by motion mode that changes the upper contact head seat and measures such as increasing close/open machine.Because the upper contact head seat can swing, for preventing the misoperation of fusing carrier when the closing position, so fusing carrier upper contact head seat when closing position must be lockable.And when fusing carrier carries out sub-switching operation, then must carry out release to the upper contact head seat earlier, allowing it return to can swing state.The effect of fusing carrier of the present invention is when sub-switching operation, triggers the trip gear in the close/open machine, makes the release of upper contact head seat recover movable state.
A kind of technical scheme that realizes above-mentioned purpose is: a kind of fusing carrier that is used for fuse switch, described fuse switch comprises fusing carrier, on, following touch base, close/open machine, insulating part, on, on lower connecting terminal reaches, following inserts, the upper end of described fusing carrier opens and closes with last touch base and is connected, the lower end is rotationally connected with following touch base, described fusing carrier comprises cartridge fuse, be installed in the regulations and parameters mechanism on cartridge fuse top, be installed in the upper contact head of regulations and parameters mechanism upper end, be sleeved on the lower joint sleeve of cartridge fuse bottom and be connected following contact on the lower joint sleeve, described leverage comprises upper joint sleeve, draw button, lever, arm spring, pin and rivet
Described upper joint sleeve comprises main part, neck and the head that connects successively, forms the shell-like integrative-structure that is complementary with described cartridge fuse;
Described main part is provided with the endoporus of energy freedom suit cartridge fuse;
Top one side of described main part is connected with a key seat, and described key seat is the outward extending parallel-plate of a pair of outer peripheral face by main part, all has a pin-and-hole on the surperficial same position of this parallel-plate; The bottom of described main part is connected with a screens portion with respect to the opposite side of key seat;
Bottom on the front and rear surfaces of the outer peripheral face of described main part is equipped with a circular-arc projection, the axis that offers respectively with main part in described circular-arc prominence is two horizontal and parallel installing holes of symmetry axis, and the axis of these two installing holes is tangent with the endoporus of main part respectively;
Described lever comprises jacking block, loop bar and mounting rod,
The both sides of described jacking block all are connected with loop bar and mounting rod in turn, described loop bar be one section crooked laterally and with the circular arc bar of cartridge fuse coupling, described mounting rod is straight-bar and has a pin-and-hole and a rivet hole on their surperficial same position;
Describedly draw button to comprise to draw the button body and, have a pin-and-hole and a rivet hole on the described installation portion by drawing button body one end extended installation portion;
Described lever passes through the loop bar chuck of both sides on the outer peripheral face of described main part, make described jacking block be pressed on the described screens portion and the mounting rod of described both sides is attached at the outside of described key seat, the described clip that draws is located between the described key seat pair of parallel plate, described drawing between button and the described both sides parallel-plate also is respectively equipped with an arm spring, described pin passes described pin-and-hole and arm spring respectively, described button and the described lever of drawing is mutually permanently connected by the rivet that passes its rivet hole, one end of described arm spring is resisted against on the described key seat, and the other end is resisted against on the described rivet;
In the endoporus of the described upward main part that described cartridge fuse top is plugged on, and by two spring pivots that pass two installing holes respectively, so that cartridge fuse and upper joint sleeve are fastenedly connected;
Described upper contact head is threaded in the head of described adapter sleeve.
The above-mentioned fusing carrier that is used for fuse switch, wherein,
Described lower joint sleeve is provided with the endoporus of energy freedom suit cartridge fuse, and the diameter of this endoporus is 27～30mm;
Outer surface bottom one side of described lower joint sleeve is with the seesaw that stretches out of the mode with its axis normal;
The position of the corresponding seesaw in the outer surface of described lower joint sleeve middle part and be that the symmetry axis ear that is respectively equipped with a connecting hole on a pair of surface that stretches out is climbed with the axis of seesaw, and the axis with lower joint sleeve is that symmetry axis laterally and is abreast offered two installing holes, and the axis of these two installing holes is tangent with the endoporus of lower joint sleeve respectively.
In the endoporus of the lower joint sleeve that described cartridge fuse bottom is plugged on, and by two spring pivots that pass two installing holes respectively, so that cartridge fuse and lower joint sleeve are fastenedly connected;
The connecting hole that described contact is down climbed up by securing member and described ear is connected.
The above-mentioned fusing carrier that is used for fuse switch, wherein, the ear of described lower joint sleeve is climbed in the mode that broadens gradually and is extended to its root by its free end.
The above-mentioned fusing carrier that is used for fuse switch, wherein, the end face of the head of described upper joint sleeve has a through hole.
The above-mentioned fusing carrier that is used for fuse switch, wherein, a side of first projection of described upper joint sleeve has a horizontal through hole, and a side of second projection of described upper joint sleeve is connected with a cylindrical protrusion.
The technical scheme that is used for the fusing carrier of fuse switch of the present utility model, its more reasonable structure, intensity is higher, versatility is stronger, can when sub-switching operation, trigger the trip gear in the close/open machine reliably, make the release of upper contact head seat recover movable state.
Description of drawings
Fig. 1 is the structural representation of the fuse switch of routine;
Fig. 2 is the structural representation that is used for the fusing carrier of fuse switch of the present utility model;
Fig. 3 is the structural representation of the upper joint sleeve on the fusing carrier that is used for fuse switch of the present utility model;
Fig. 4 is the structural representation of the leverage on the fusing carrier that is used for fuse switch of the present utility model;
Fig. 5 is the structural representation of the lower joint sleeve on the fusing carrier that is used for fuse switch of the present utility model.
Embodiment
Below by embodiment particularly and in conjunction with the accompanying drawings the technical solution of the utility model is described:
See also Fig. 1 and Fig. 2, fuse switch comprises fusing carrier 1, on, following touch base 3,4, close/open machine 5, insulating part 6, on, lower connecting terminal 7,8 reach, following inserts 9,10, the upper end of fusing carrier 1 opens and closes with last touch base 3 and is connected, the lower end is rotationally connected with following touch base 4, fusing carrier 1 comprises cartridge fuse 11, be installed in the leverage 2 on cartridge fuse 11 tops, be installed in the upper contact head 12 of leverage 2 upper ends, be sleeved on the lower joint sleeve 13 of cartridge fuse 11 bottoms and be connected following contact 14 on the lower joint sleeve 13, wherein, leverage 2 comprises upper joint sleeve 21, lever 22, draw button 23, arm spring 24, pin 25 and rivet 26
See also Fig. 3 again, upper joint sleeve 21 comprises main part 211, neck 212 and the head 213 that connects successively, forms the shell-like integrative-structure that is complementary with cartridge fuse 11;
Top one side of main part 211 is connected with a key seat 2111, and key seat 2111 is the outward extending parallel-plate of a pair of outer peripheral face by main part, all has a pin-and-hole 2112 on the surperficial same position of this parallel-plate; The bottom of main part 211 is connected with a screens portion 2113 with respect to the opposite side of key seat 2111;
Bottom on the front and rear surfaces of the outer peripheral face of main part 211 is equipped with a circular-arc projection 2114, the axis that offers respectively with adapter sleeve 21 at circular-arc projection 2114 places is two horizontal and parallel installing holes 2115 of symmetry axis, and the axis of these two installing holes 2115 is tangent with the endoporus 2110 of main part 211 respectively;
See also Fig. 4 more also in conjunction with consulting Fig. 2, lever 22 comprises jacking block 221, loop bar 222 and mounting rod 223,
The both sides of jacking block 221 all are connected with loop bar 222 and mounting rod 223 in turn, loop bar 222 be one section crooked laterally and with the circular arc bar of cartridge fuse 11 couplings, mounting rod 223 is for straight-bar and have a pin-and-hole and a rivet hole on their surperficial same position;
Draw button 23 to comprise and draw button body 231 and detain the extended installation portion 232 of this 231 bodies, one end by drawing, pin-and-hole on this installation portion 232 on the corresponding lever 22 and rivet hole also have a pin-and-hole and a rivet hole;
Lever 22 passes through loop bar 222 chucks of both sides on the outer peripheral face of main part 211, jacking block 221 is positioned on the screens portion 2113, and the mounting rod 223 of lever 22 both sides is attached at the outside of key seat 2111, draw button 23 to be located between the key seat 2111 of main part 211, draw between button 23 and the key seat 2111 and be provided with an arm spring 24, pin 25 passes the pin-and-hole 2112 and the arm spring 24 of main part 211 respectively, draw button 23 and lever 22 to be mutually permanently connected by the rivet 26 that passes its rivet hole, one end of arm spring 24 is resisted against on the key seat 2111 of main part 211, and the other end is resisted against on the rivet 26;
Upper contact head 12 is threaded in the head 213 of adapter sleeve 21;
In the endoporus of the last main part 211 that cartridge fuse 11 tops are plugged on, and by two spring pivots that pass two installing holes respectively, so that cartridge fuse 11 is fastenedly connected with upper joint sleeve 21.
See also Fig. 5 more also in conjunction with consulting Fig. 2, lower joint sleeve 13 is provided with the endoporus 130 of energy freedom suit fusing carrier, and the diameter of this endoporus 130 is 27～30mm;
Outer surface bottom one side of lower joint sleeve 13 is with the seesaw 131 that stretches out of the mode with its axis normal;
The position of the corresponding seesaw 131 in the outer surface of lower joint sleeve 13 middle part and be that the symmetry axis ear that is respectively equipped with a connecting hole 132 on a pair of surface that stretches out climbs 133 with the axis of seesaw 131, and the axis with lower joint sleeve 13 is that symmetry axis laterally and is abreast offered two installing holes 134, and the axis of these two installing holes 134 is tangent with the endoporus 130 of lower joint sleeve 13 respectively; Ear is climbed 133 and is extended to its root by its free end in the mode that broadens gradually;
In the endoporus of the lower joint sleeve 13 that cartridge fuse 11 bottoms are plugged on, and by two spring pivots that pass two installing holes respectively, so that cartridge fuse 11 is fastenedly connected with lower joint sleeve 13;
The connecting hole 132 that following contact 14 is climbed on 133 by the securing member 34 and the ear of lower joint sleeve 13 is connected.
The technical scheme that is used for the fusing carrier of fuse switch of the present utility model, its more reasonable structure, intensity is higher, versatility is stronger, can when sub-switching operation, trigger the trip gear in the close/open machine reliably, make the release of upper contact head seat recover movable state.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the utility model, and be not to be used as qualification of the present utility model, as long as in connotation scope of the present utility model, all will drop in claims scope of the present utility model variation, the modification of the above embodiment.
Claims (5)
1. fusing carrier that is used for fuse switch, described fuse switch comprises fusing carrier, on, following touch base, close/open machine, insulating part, on, on lower connecting terminal reaches, following inserts, the upper end of described fusing carrier opens and closes with last touch base and is connected, the lower end is rotationally connected with following touch base, described fusing carrier comprises cartridge fuse, be installed in the regulations and parameters mechanism on cartridge fuse top, be installed in the upper contact head of regulations and parameters mechanism upper end, be sleeved on the lower joint sleeve of cartridge fuse bottom and be connected following contact on the lower joint sleeve, it is characterized in that, described leverage comprises upper joint sleeve, draw button, lever, arm spring, pin and rivet
Described upper joint sleeve comprises main part, neck and the head that connects successively, forms the shell-like integrative-structure that is complementary with described cartridge fuse;
Described main part is provided with the endoporus of energy freedom suit cartridge fuse;
Top one side of described main part is connected with a key seat, and described key seat is the outward extending parallel-plate of a pair of outer peripheral face by main part, all has a pin-and-hole on the surperficial same position of this parallel-plate; The bottom of described main part is connected with a screens portion with respect to the opposite side of key seat;
Bottom on the front and rear surfaces of the outer peripheral face of described main part is equipped with a circular-arc projection, the axis that offers respectively with main part in described circular-arc prominence is two horizontal and parallel installing holes of symmetry axis, and the axis of these two installing holes is tangent with the endoporus of main part respectively;
Described lever comprises jacking block, loop bar and mounting rod,
The both sides of described jacking block all are connected with loop bar and mounting rod in turn, described loop bar be one section crooked laterally and with the circular arc bar of cartridge fuse coupling, described mounting rod is straight-bar and has a pin-and-hole and a rivet hole on their surperficial same position;
Describedly draw button to comprise to draw the button body and, have a pin-and-hole and a rivet hole on the described installation portion by drawing button body one end extended installation portion;
Described lever passes through the loop bar chuck of both sides on the outer peripheral face of described main part, make described jacking block be pressed on the described screens portion and the mounting rod of described both sides is attached at the outside of described key seat, the described clip that draws is located between the described key seat pair of parallel plate, described drawing between button and the described both sides parallel-plate also is respectively equipped with an arm spring, described pin passes described pin-and-hole and arm spring respectively, described button and the described lever of drawing is mutually permanently connected by the rivet that passes its rivet hole, one end of described arm spring is resisted against on the described key seat, and the other end is resisted against on the described rivet;
In the endoporus of the described upward main part that described cartridge fuse top is plugged on, and by two spring pivots that pass two installing holes respectively, so that cartridge fuse and upper joint sleeve are fastenedly connected;
Described upper contact head is threaded in the head of described adapter sleeve.
2. the fusing carrier that is used for fuse switch according to claim 1 is characterized in that,
Described lower joint sleeve is provided with the endoporus of energy freedom suit cartridge fuse, and the diameter of this endoporus is 27～30mm;
Outer surface bottom one side of described lower joint sleeve is with the seesaw that stretches out of the mode with its axis normal;
The position of the corresponding seesaw in the outer surface of described lower joint sleeve middle part and be that the symmetry axis ear that is respectively equipped with a connecting hole on a pair of surface that stretches out is climbed with the axis of seesaw, and the axis with lower joint sleeve is that symmetry axis laterally and is abreast offered two installing holes, and the axis of these two installing holes is tangent with the endoporus of lower joint sleeve respectively.
In the endoporus of the lower joint sleeve that described cartridge fuse bottom is plugged on, and by two spring pivots that pass two installing holes respectively, so that cartridge fuse and lower joint sleeve are fastenedly connected;
The connecting hole that described contact is down climbed up by securing member and described ear is connected.
3. the fusing carrier that is used for fuse switch according to claim 2 is characterized in that, the ear of described lower joint sleeve is climbed in the mode that broadens gradually and extended to its root by its free end.
4. the fusing carrier that is used for fuse switch according to claim 1 is characterized in that the end face of the head of described upper joint sleeve has a through hole.
5. the fusing carrier that is used for fuse switch according to claim 1 is characterized in that, a side of first projection of described upper joint sleeve has a horizontal through hole, and a side of second projection of described upper joint sleeve is connected with a cylindrical protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200775372U CN201465950U (en) | 2009-06-30 | 2009-06-30 | Fuse carrier used for drop-out fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200775372U CN201465950U (en) | 2009-06-30 | 2009-06-30 | Fuse carrier used for drop-out fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201465950U true CN201465950U (en) | 2010-05-12 |
Family
ID=42393298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200775372U Expired - Lifetime CN201465950U (en) | 2009-06-30 | 2009-06-30 | Fuse carrier used for drop-out fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201465950U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102000966A (en) * | 2010-10-08 | 2011-04-06 | 常州市德春电器有限公司 | Assembly method of lower contact seat and fuse unit |
| CN101937807B (en) * | 2009-06-30 | 2012-07-04 | 浙江赛菲特电气有限公司 | Fuse holder for dropping type fuse |
| CN109581146A (en) * | 2018-11-28 | 2019-04-05 | 国网浙江省电力有限公司电力科学研究院 | A kind of fuse switch fusing carrier has the method for inspection of interchangeability |
-
2009
- 2009-06-30 CN CN2009200775372U patent/CN201465950U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101937807B (en) * | 2009-06-30 | 2012-07-04 | 浙江赛菲特电气有限公司 | Fuse holder for dropping type fuse |
| CN102000966A (en) * | 2010-10-08 | 2011-04-06 | 常州市德春电器有限公司 | Assembly method of lower contact seat and fuse unit |
| CN102000966B (en) * | 2010-10-08 | 2012-09-19 | 常州市德春电器有限公司 | Assembly method of lower contact seat and fuse unit |
| CN109581146A (en) * | 2018-11-28 | 2019-04-05 | 国网浙江省电力有限公司电力科学研究院 | A kind of fuse switch fusing carrier has the method for inspection of interchangeability |
| CN109581146B (en) * | 2018-11-28 | 2020-11-10 | 国网浙江省电力有限公司电力科学研究院 | Method for detecting interchangeability of fuse carrier of drop-out fuse |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100512 Effective date of abandoning: 20090630 |