CN205789840U - A kind of fuse - Google Patents
A kind of fuse Download PDFInfo
- Publication number
- CN205789840U CN205789840U CN201620532654.3U CN201620532654U CN205789840U CN 205789840 U CN205789840 U CN 205789840U CN 201620532654 U CN201620532654 U CN 201620532654U CN 205789840 U CN205789840 U CN 205789840U
- Authority
- CN
- China
- Prior art keywords
- fuse
- conductive plate
- elastic tip
- fusion tube
- mounting groove
- 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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Abstract
The utility model discloses a kind of fuse, the conductive plate including fusion tube, being arranged on described fusion tube both sides, the melt being connected between two described conductive plates, described melt includes multiple fuse link, the two ends of described fuse link are sweeping elastic tip, being provided with the mounting groove for described elastic tip clamping on conductive plate described in both sides, described elastic tip is compressive state when being connected on described mounting groove.This utility model has the following advantages and effect: the two ends of fuse link are the elastic tip taken the shape of the letter U, when installing fuse link, having only to press the elastic tip at two ends in the mounting groove on conductive plate, fuse link just can be fixed on conductive plate, very convenient installing when；Locating slot matches with locating piece so that the position between fixed plate and conductive plate will not change, very convenient when being bolted.
Description
Technical field
This utility model relates to electrical equipment protection field, particularly to a kind of fuse.
Background technology
Fuse refers to when electric current exceedes setting, makes melt fuse with the heat that itself produces, a kind of electrical equipment of disconnecting circuit.Fuse be exceed setting a period of time according to electric current after, with himself produce heat make Melt molten so that circuit disconnect；Use a kind of current protector that this principle is made.Fuse is widely used in high and low voltage electric distribution system and control system and electrical equipment, as short circuit and the protector of overcurrent, is to apply one of most common protection device.
At present, on market, notification number is CN204441229U, and the day for announcing is a kind of cage type fastp-acting fuse on July 1st, 2015, including shell, shell two ends are provided with conductive plate, are provided with some melts between two pieces of conductive plates, some melts head and the tail are oppositely arranged, and melt and two pieces of conductive plates form cage type.Some melts head and the tail in fuse housing body are oppositely arranged; the shape of closing is enclosed in the arrangement making melt; contact is not produced between the most adjacent melt; when circuit is short-circuited, when causing the melt of fuse to disconnect, when the melt position of fusing occurs deviation; will not be with adjacent melt contacts; the melt avoiding fusing produces overlap joint, makes circuit again turn on, and protection more safety puts in place.
The melt of this fuse is typically fixed on conductive plate by the way of welding, although it is very firm that melt is fixed on conductive plate, but mode troublesome poeration when fixing of welding.
Utility model content
The purpose of this utility model is to provide a kind of fuse that can conveniently install melt.
Above-mentioned technical purpose of the present utility model has the technical scheme that a kind of fuse, the conductive plate including fusion tube, being arranged on described fusion tube both sides, the melt being connected between two described conductive plates, described melt includes multiple fuse link, the two ends of described fuse link are sweeping elastic tip, being provided with the mounting groove for described elastic tip clamping on conductive plate described in both sides, described elastic tip is compressive state when being connected on described mounting groove.
By using such scheme, fuse link is sweeping elastic tip for two ends, when the two ends of fuse link are connected on the mounting groove of conductive plate, elastic tip is compressive state, the elastic tip making fuse link two ends is conflicted on the inwall of mounting groove under elastic force effect, so that fuse link is fixed on conductive plate.When fuse link installed by conductive plate, it is only necessary to elastic tip being pressed in mounting groove gently, can be achieved with the fixing of fuse link, very convenient installing when.
Of the present utility model it is further arranged to: described elastic tip takes the shape of the letter U setting.
By using such scheme, because fuse link is all become by metal, the elastic tip on fuse link is that U is arranged so that elastic tip can be compressed, the most also can be at metal after recovering deformation, it is possible to conflict carries out clamping at the inwall of mounting groove.And the lower end of elastic tip is circular arc, it is possible to reduce the frictional force between elastic tip and mounting groove, facilitate elastic tip to carry out clamping in entering into resettlement groove.
Of the present utility model it is further arranged to: described elastic tip is provided with stopper slot near the side of described conductive plate, is provided with the limited block matched with described stopper slot in described mounting groove.
By using such scheme, when elastic tip enters in mounting groove, the stopper slot in elastic tip is inconsistent with the limited block in mounting groove so that elastic tip is further affixed on conductive plate.
Of the present utility model it is further arranged to: described limited block is hemispherical.
By using such scheme, limited block is hemispherical so that elastic tip is when entering in mounting groove, and frictional force when contacting between elastic tip with limited block is less.Can with the stopper slot phase clamping in elastic tip while, elastic tip also can be facilitated to enter in mounting groove.
Of the present utility model it is further arranged to: be provided with some kinks on described fuse link, between described kink, be provided with fuse part, described fuse part is provided with multiple fusing hole.
By using such scheme, the kink on fuse link can increase the structural strength of fuse link, is provided with multiple fusing hole in fuse part, makes the cross-sectional area of fuse part diminish, and resistance diminishes.When electric current is excessive, because the resistance in fuse part is less, the electric current flowed through is relatively big, causes heating more so that fuse part fuses when being heated, and plays the effect of protection circuit.
Of the present utility model it is further arranged to: described conductive plate is additionally provided with erecting bed with threaded hole towards the outside of described fusion tube.
By using such scheme, erecting bed is provided with screwed hole so that erecting bed can be threaded connection with other electrical equipment original paper and be connected, thus is arranged in different circuit by fuse.
Of the present utility model it is further arranged to: the two ends of described fusion tube are additionally provided with the fixed plate for fixing described conductive plate.
By using such scheme, the conductive plate that fusion tube both sides are arranged can be fixed on fusion tube by fixed plate so that internal conductive plate and melt are played the effect of protection by fusion tube.
Of the present utility model it is further arranged to: being provided with the through hole being fed through for described erecting bed in described fixed plate, the sidewall of described through hole is provided with locating slot, the outer wall of described erecting bed is provided with the locating piece matched with described locating slot.
By using such scheme, the locating slot arranged on the through hole of fixed plate matches with the locating piece on erecting bed so that conductive plate can be played the effect of location by fixed plate, prevents erecting bed from rotating.
Of the present utility model it is further arranged to: described fixed plate is bolted on the end face of fusion tube, is connected also by bolt between described fixed plate with described conductive plate.
By using such scheme, it is bolted between fusion tube and fixed plate, is bolted between conductive plate and fixed plate, be bolted so that more convenient dismounting when.Locating slot matches with locating piece so that the position between fixed plate and conductive plate will not change, and is bolted very convenient.
Of the present utility model it is further arranged to: the inside of described fusion tube is filled with the quartz sand mixed by firming agent.
By using such scheme, the melt on fuse can produce the biggest arclight in the moment of fusing, and quartz sand ensure that arclight interior extinguishing the shortest when.Meanwhile, melt can produce certain heat conduction when, and quartz sand also is able to transfer heat to, on fusion tube, conveniently dispel the heat.
In sum, this utility model has the advantages that the two ends of fuse link are the elastic tip taken the shape of the letter U, when installing fuse link, it is only necessary to the elastic tip at two ends pressed in the mounting groove on conductive plate, fuse link just can be fixed on conductive plate, very convenient installing when；Locating slot matches with locating piece so that the position between fixed plate and conductive plate will not change, very convenient when being bolted.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the partial enlarged drawing in this utility model Fig. 1 at A；
Fig. 3 is the annexation schematic diagram between conductive plate in this utility model, melt；
Fig. 4 is the sectional view of annexation between conductive plate in this utility model, melt；
Fig. 5 is the partial enlarged drawing in this utility model Fig. 4 at B.
In figure: 1, fusion tube；2, conductive plate；3, melt；4, fuse link；5, elastic tip；6, mounting groove；7, stopper slot；8, limited block；9, kink；10, fuse part；11, fusing hole；12, screwed hole；13, erecting bed；14, fixed plate；15, through hole；16, locating piece；17, locating slot；18, bolt.
Detailed description of the invention
This utility model is described in further detail to accompanying drawing 5 below in conjunction with accompanying drawing 1.
This specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; the present embodiment can be made after reading this specification by those skilled in the art as required does not has the amendment of creative contribution, but as long as all being protected by Patent Law in right of the present utility model.
As shown in Fig. 3 to Fig. 5, connecting and have melt 3, the square setting of conductive plate 2 between two conductive plates 2, melt 3 includes four fuse links 4 being connected on two ends conductive plate 2 sidewall, touches the most mutually between four fuse links 4.Fuse link 4 is provided with some kinks 9; between kink 9 for fuse part 10; fuse part 10 is provided with multiple fusing hole 11; kink 9 can increase the structural strength of fuse link 4; the fusing hole 11 arranged in fuse part 10 makes the resistance in fuse part 10 diminish; running in the situation that electric current is bigger; because the resistance of fuse part 10 is less; after making fuse part 10 that substantial amounts of heat occur; fuse link 4 is fused in fuse part 10, thus plays the effect of protection circuit when electric current is excessive.
Being elastic tip 5 at the two ends of fuse link 4, elastic tip 5 takes the shape of the letter U setting, is provided with in hemispherical stopper slot 7 away from the side of fuse link 4 in elastic tip 5.Conductive plate 2 is provided with for clamping elastic tip 5 in mounting groove 6, in mounting groove 6, be provided with the limited block 8 matched with stopper slot 7.When fuse link 4 is arranged on the conductive plate 2 of both sides, it is only necessary to by fuse link 4 toward pressing in mounting groove 6, on fuse link 4, elastic tip 5 enters into after there is elastic deformation in mounting groove 6, then conflicts under the effect sending out elastic force and carry out clamping in the inside of mounting groove 6.Limited block 8 on mounting groove 6 and the stopper slot 7 phase clamping in elastic tip 5, it is possible to increase the fuse link 4 fixed effect on conductive plate 2 further.The curved setting in the lower end of elastic tip 5 simultaneously, less with the area that mounting groove 6 contacts enter on mounting groove 6, the resistance being subject to is less, it is possible to elastic tip 5 is entered in resettlement groove easily.Fuse link 4 when mounted, only needs pressing in the mounting groove 6 of conductive plate 2, just can play fixing effect.
As depicted in figs. 1 and 2, the outside towards fusion tube 1 at conductive plate 2 is provided with the erecting bed 13 of with threaded hole 12, it is possible to for connecting other electric equipment.Fixed plate 14 is had also by bolt 18 is threaded at the two ends of fusion tube 1, it also is able to bolt 18 between fixed plate 14 and conductive plate 2 be fixed, fixed plate 14 is fixed on the two ends of fusion tube 1, and conductive plate 2 is fixed in fixed plate 14 so that conductive plate 2 can be fixed in fixed plate 14 and be fixed.
Fixed plate 14 is provided with a through hole 15 passed for erecting bed 13, the sidewall of through hole 15 is provided with locating slot 17, the outer wall of erecting bed 13 is provided with the locating piece 16 matched with locating slot 17.Because fixed plate 14 is connected by bolt 18 with conductive plate 2, when locating piece 16 and locating slot 17 match, it is possible to the relative position between conductive plate 2 with fixed plate 14 is fixed, conveniently connect fixed plate 14 and conductive plate 2 by bolt 18.
Melt 3 on fuse can produce the biggest arclight in the moment of fusing, and the quartz sand arranged in fusion tube 1 ensure that arclight interior extinguishing the shortest when.Meanwhile, melt 3 can produce certain heat conduction when, and quartz sand also is able to transfer heat to, on fusion tube 1, conveniently dispel the heat.Quartz sand makes quartz sand can solidify in fusion tube 1 by firming agent mixing.
Claims (10)
1. a fuse, the conductive plate (2) including fusion tube (1), being arranged on described fusion tube (1) both sides, the melt (3) being connected between two described conductive plates (2), it is characterized in that: described melt (3) includes multiple fuse link (4), the two ends of described fuse link (4) are sweeping elastic tip (5), being provided with the mounting groove (6) of confession described elastic tip (5) clamping on conductive plate (2) described in both sides, described elastic tip (5) is compressive state when being connected on described mounting groove (6).
A kind of fuse the most according to claim 1, it is characterised in that: described elastic tip (5) takes the shape of the letter U setting.
A kind of fuse the most according to claim 2, it is characterised in that: described elastic tip (5) is provided with stopper slot (7) near the side of described conductive plate (2), is provided with the limited block (8) matched with described stopper slot (7) in described mounting groove (6).
A kind of fuse the most according to claim 3, it is characterised in that: described limited block (8) is in hemispherical.
A kind of fuse the most according to claim 4, it is characterized in that: on described fuse link (4), be provided with some kinks (9), it is provided with fuse part (10) between described kink (9), described fuse part (10) is provided with multiple fusing hole (11).
A kind of fuse the most according to claim 5, it is characterised in that: described conductive plate (2) is additionally provided with the erecting bed (13) of (12) with threaded hole towards the outside of described fusion tube (1).
A kind of fuse the most according to claim 6, it is characterised in that: the two ends of described fusion tube (1) are additionally provided with the fixed plate (14) for fixing described conductive plate (2).
A kind of fuse the most according to claim 7, it is characterized in that: in described fixed plate (14), be provided with the through hole (15) being fed through for described erecting bed (13), being provided with locating slot (17) on the sidewall of described through hole (15), the outer wall of described erecting bed (13) is provided with the locating piece (16) matched with described locating slot (17).
A kind of fuse the most according to claim 8, it is characterised in that: described fixed plate (14) is fixed on the end face of fusion tube (1) by bolt (18), is connected also by bolt (18) between described fixed plate (14) with described conductive plate (2).
A kind of fuse the most according to claim 9, it is characterised in that: the inside of described fusion tube (1) is filled with the quartz sand mixed by firming agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620532654.3U CN205789840U (en) | 2016-06-02 | 2016-06-02 | A kind of fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620532654.3U CN205789840U (en) | 2016-06-02 | 2016-06-02 | A kind of fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205789840U true CN205789840U (en) | 2016-12-07 |
Family
ID=58136993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620532654.3U Expired - Fee Related CN205789840U (en) | 2016-06-02 | 2016-06-02 | A kind of fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205789840U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107017139A (en) * | 2017-05-25 | 2017-08-04 | 东莞市博钺电子有限公司 | Low-tension fuse |
| CN110137051A (en) * | 2019-04-29 | 2019-08-16 | 广东中贝能源科技有限公司 | A kind of arc quenching material composition improving fuse energy density |
-
2016
- 2016-06-02 CN CN201620532654.3U patent/CN205789840U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107017139A (en) * | 2017-05-25 | 2017-08-04 | 东莞市博钺电子有限公司 | Low-tension fuse |
| CN110137051A (en) * | 2019-04-29 | 2019-08-16 | 广东中贝能源科技有限公司 | A kind of arc quenching material composition improving fuse energy density |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20180602 |