CN206849802U - A kind of fuse - Google Patents
A kind of fuse Download PDFInfo
- Publication number
- CN206849802U CN206849802U CN201720709967.6U CN201720709967U CN206849802U CN 206849802 U CN206849802 U CN 206849802U CN 201720709967 U CN201720709967 U CN 201720709967U CN 206849802 U CN206849802 U CN 206849802U
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- CN
- China
- Prior art keywords
- melt
- polygon
- mounting seat
- fusion tube
- fuse
- 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, including fusion tube, the melt component being packaged in the fusion tube, and it is respectively arranged on the left and right capping at fusion tube both ends；Left and right contact knife is respectively equipped with the melt component both sides, the left and right mounting seat of fixed left and right capping is respectively provided with the medial extremity of the left and right contact knife；A connecting plate is respectively provided with the medial surface of the left and right mounting seat, a polygon welding base is respectively provided with each connecting plate, and two polygon welding base be symmetrically arranged, the melt component includes several bulbous melts simultaneously, the both ends of each bulbous melt are respectively welded on the lateral wall of two polygon welding bases and form polygon melt, and arc-extinguishing medium is provided with the lateral surface of the polygon melt；It the advantage is that, using polygon melt, be easy to make arc-extinguishing medium filling uniform, be not only simple in structure, be easy to use, and power consumption is smaller, and temperature rise is rapid, while arc quenching effect is good, improves security performance.
Description
Technical field
The utility model belongs to circuit protection technical field, more particularly, to a kind of fuse.
Background technology
Fuse refers to that when current lead-through its melt, which produces heat, makes melt be from the electric elements for being melted to fusing
A kind of electric elements of pressure drop in protection circuit.Fuse extensively should as a kind of electric elements for ensureing circuit safety operation
For distribution system and control system.Existing fuse power consumption is higher, and temperature rise is slower, and arc quenching effect is poor, exists larger
Potential safety hazard.
The content of the invention
The purpose of the utility model is：One kind is provided to be not only simple in structure, be easy to use, and power consumption is smaller, and temperature rise is rapid,
And arc quenching effect is good, the fuse of security performance is improved.
The technical solution of the utility model is：A kind of fuse, including fusion tube, the melt group being packaged in the fusion tube
Part, and it is respectively arranged on the left and right capping at fusion tube both ends；Left and right contact knife is respectively equipped with the melt component both sides, described
The medial extremity of left and right contact knife is respectively provided with the left and right mounting seat of fixed left and right capping, in the left and right mounting seat
Side is respectively provided with a connecting plate, a polygon welding base is respectively provided with each connecting plate, and two polygon welding bases are left
The right side is arranged symmetrically, while the melt component includes several bulbous melts, and the both ends of each bulbous melt are respectively welded at two
On the lateral wall of polygon welding base and polygon melt is formed, arc-extinguishing medium is provided with the lateral surface of the polygon melt.
As preferable technical scheme, U-shaped mounting hole is provided with the left mounting seat or right mounting seat, described U-shaped
Blown fuse indicator is inserted on mounting hole；The blown fuse indicator includes the fusible link with melt modules in parallel, is placed in U-shaped mounting hole
On U-shaped spring base, and the compression spring and sign being placed in the U-shaped spring base；The compression spring is set in sign
On, and the compression spring one end is placed on the inside of U-shaped spring base, its other end is fixedly connected with the fusible link；When melt fuses
Fusible link blows immediately afterwards, ejection（It is red eye-catching）Mark, fuse signals are represented, more intuitively identify whether melt melts
It is disconnected.
As preferable technical scheme, the left and right capping is separately fixed at the left and right installation by several screws
On seat, while between the left sealing cap and the left mounting seat and fusion tube, the right aling cap and the right mounting seat and fusion tube
Between be equipped with pad, to improve sealing effectiveness.
As preferable technical scheme, the arc-extinguishing medium is quartz sand.
As preferable technical scheme, it is provided with the bulbous melt at multiple fusing, it is not molten at a fusing
When disconnected, it can also be fused at other fusing so as to protection circuit.
As preferable technical scheme, the left and right contact knife be arranged in parallel, and blade direction is downward, facilitates insertion into contact knife
Slot.
The utility model has the advantages that：
1. the utility model uses polygon melt, it is easy to make arc-extinguishing medium filling uniform, is not only simple in structure, user
Just, and power consumption is smaller, and temperature rise is rapid, while arc quenching effect is good, improves security performance.
Brief description of the drawings
Below in conjunction with the accompanying drawings and embodiment is further described to the utility model：
Fig. 1 is the structural representation of the right contact knife of the utility model；
Fig. 2 is the internal structure schematic diagram that the utility model removes fusion tube；
Fig. 3 is structure sectional view of the present utility model；
Fig. 4 is structural side view of the present utility model；
Wherein：1 fusion tube, 2 left sealing caps, 3 right aling caps, 4 left contact knifes, 5 right contact knifes, 6 left mounting seats, 7 right mounting seats, 8 connections
Plate, 9 polygon welding bases, 10 bulbous melts, 11 arc-extinguishing mediums, 12 fusible links, 13U type spring bases, 14 compression springs, 15 marks
Show, 16 screws, 17 pads, at 18 fusing, 19 blades.
Embodiment
Embodiment：Shown in reference picture 1-4, a kind of fuse, including fusion tube 1, the melt component being packaged in fusion tube 1, with
And it is respectively arranged on the left and right capping 2,3 at the both ends of fusion tube 1；Left and right contact knife 4,5 is respectively equipped with melt component both sides, left and right
The medial extremity of contact knife 4,5 is respectively provided with the left and right mounting seat 6,7 of fixed left and right capping 2,3, in left and right mounting seat 6,7
Medial surface be respectively provided with a connecting plate 8, be respectively provided with a polygon welding base 9 on each connecting plate 8, and two polygons weld
Joint chair 9 is symmetrically arranged, while melt component includes several bulbous melts 10, and the both ends of each bulbous melt 10 are welded respectively
It is connected on the lateral wall of two polygon welding bases 9 and forms polygon melt, is situated between in the lateral surface of polygon melt provided with arc extinguishing
Matter 11, the arc-extinguishing medium 11 are quartz sand.
The utility model is provided with U-shaped mounting hole in left mounting seat 6 or right mounting seat 7, and fusing is inserted on U-shaped mounting hole
Indicator；The blown fuse indicator is including the fusible link 12 with melt modules in parallel, the U-shaped spring base 13 being placed on U-shaped mounting hole,
And the compression spring 14 being placed in U-shaped spring base 13 and sign 15；The compression spring 14 is set in sign 15, and the compression
The one end of spring 14 is placed in the U-shaped inner side of spring base 13, and its other end is fixedly connected with fusible link 12, the fusible link 12 after melt fuses
Blow, eject immediately（It is red eye-catching）Mark 15, fuse signals are represented, more intuitively identify whether melt fuses.
Left and right capping 2,3 of the present utility model is separately fixed in left and right mounting seat 6,7 by several screws 16, together
When be equipped with pad 17 between left sealing cap 2 and left mounting seat 6, between right aling cap 3 and right mounting seat 7, to improve sealing effectiveness.
The utility model is provided with bulbous melt 10 18 at multiple fusing, and 18 when not fusing at a fusing, its
18 can also fuse so as to protection circuit at his fusing, and left and right contact knife 4,5 be arranged in parallel, and the direction of blade 19 is downward, is easy to insert
Enter contact knife slot.
For above-described embodiment only to illustrate technical concepts and features of the present utility model, its object is to allow be familiar with technique
Personage can understand content of the present utility model and implement according to this, the scope of protection of the utility model can not be limited with this.
All equivalent change or modifications made according to the utility model Spirit Essence, should all cover the scope of protection of the utility model it
It is interior.
Claims (6)
1. a kind of fuse, including fusion tube, the melt component being packaged in the fusion tube, and it is respectively arranged on fusion tube both ends
Left and right capping；Left and right contact knife is respectively equipped with the melt component both sides, is respectively equipped with the medial extremity of the left and right contact knife
For fixing the left and right mounting seat of left and right capping；Characterized in that, the medial surface in the left and right mounting seat is respectively provided with one
Connecting plate, a polygon welding base is respectively provided with each connecting plate, and two polygon welding bases are symmetrically arranged, simultaneously
The melt component includes several bulbous melts, and the both ends of each bulbous melt are respectively welded at the outer of two polygon welding bases
In side wall and polygon melt is formed, arc-extinguishing medium is provided with the lateral surface of the polygon melt.
2. fuse according to claim 1, it is characterised in that be provided with the left mounting seat or right mounting seat U-shaped
Mounting hole, blown fuse indicator is inserted on the U-shaped mounting hole；
The blown fuse indicator is including the fusible link with melt modules in parallel, the U-shaped spring base being placed on U-shaped mounting hole, and
The compression spring and sign being placed in the U-shaped spring base；The compression spring is set in sign, and the compression spring one end
It is placed on the inside of U-shaped spring base, its other end is fixedly connected with the fusible link.
3. fuse according to claim 1, it is characterised in that the left and right capping is solid respectively by several screws
It is scheduled in the left and right mounting seat, while between the left sealing cap and the left mounting seat and fusion tube, the right aling cap and institute
State and pad is equipped between right mounting seat and fusion tube.
4. fuse according to claim 1, it is characterised in that the arc-extinguishing medium is quartz sand.
5. fuse according to claim 1, it is characterised in that be provided with the bulbous melt at multiple fusing.
6. fuse according to claim 1, it is characterised in that the left and right contact knife be arranged in parallel, and blade direction to
Under.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720709967.6U CN206849802U (en) | 2017-06-19 | 2017-06-19 | A kind of fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720709967.6U CN206849802U (en) | 2017-06-19 | 2017-06-19 | A kind of fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206849802U true CN206849802U (en) | 2018-01-05 |
Family
ID=60800843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720709967.6U Active CN206849802U (en) | 2017-06-19 | 2017-06-19 | A kind of fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206849802U (en) |
-
2017
- 2017-06-19 CN CN201720709967.6U patent/CN206849802U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |