CN209000859U - Fuse - Google Patents
Fuse Download PDFInfo
- Publication number
- CN209000859U CN209000859U CN201821799056.8U CN201821799056U CN209000859U CN 209000859 U CN209000859 U CN 209000859U CN 201821799056 U CN201821799056 U CN 201821799056U CN 209000859 U CN209000859 U CN 209000859U
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- fuse
- cap
- interior cap
- interior
- link
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Abstract
The utility model provides a kind of fuse, including tube body, interior cap, fuse-link and outer cap, and tube body is in hollow structure, and tube body includes main part, and the both ends of main part extend outward to form interconnecting piece；Interior cap is fixed on outside interconnecting piece；Fuse-link passes through tube body and is electrically connected with interior cap；Outer cap sleeve sets and is fixed on outside interior cap, and the open end of outer cap extends outward to form cricoid insert, and insert is embedded in interior cap or interconnecting piece.When short circuit or overload occur for entire circuit or equipment, fusing physical efficiency fuses in the tube body with larger inner space to protect circuit rapidly；The open end setting of outer cap is embedded in the insert of interior cap or interconnecting piece, the binding force being embedded between the outer cap of physical efficiency reinforcement and interior cap or outer cap and tube body, increase fastness and leakproofness, keep outer cap not easily to fall off, solves fuse there are sealing structure fastnesses the problems such as poor, structure and complex process.
Description
Technical field
The utility model relates to fuse technologies field more particularly to a kind of fuses.
Background technique
Fuse is as a kind of common electronic component being installed in circuit, when overloading or being short-circuit occur in circuit, meeting
The safety for carrying out self fusing to cut off electric current to guarantee entire circuit.Occur in a short-circuit situation for some fuse products
Booster and lead to the problem of a large amount of electric arcs damage equipment and circuit, now solve the problems, such as that the common mode is installation arc extinguishing structure.
However, for low-tension fuse, even if the design with arc extinguishing structure, as being filled in tube body melt material, pipe
It object purity, granularity, the coefficient of expansion and applies the disjunction energy on AC and DC different product different, causes low-tension fuse
For occurring unstability when circuit protection and booster.It is difficult to carry out sustained combustion in view of electric arc has under air environment
Property, compared with traditional arc extinguishing structure, the arc quenching effect for allowing fuse to fuse under certain space is even more ideal, with this
The invention of class fuse is also gradually more and more, but existing fuse there are sealing structure fastnesses poor, structure and technique are multiple
The problems such as miscellaneous.
Therefore, be badly in need of inventing that a kind of structure is simple and firm fuse, under certain space under can reach good
The problems such as arc quenching effect, poor, structure that there are sealing structure fastnesses to solve fuse and complex process.
Utility model content
The purpose of this utility model is to provide a kind of structure, simple and firm fuse, can reach under certain space
To good arc quenching effect, the problems such as poor, structure that there are sealing structure fastnesses to solve fuse and complex process.
To achieve the above object, the utility model provides a kind of fuse, including tube body, interior cap, fuse-link and outer cap,
Tube body is in hollow structure, and tube body includes main part, and the both ends of main part extend outward to form interconnecting piece；Interior cap is fixed on connection
Outside portion；Fuse-link passes through tube body and is electrically connected with interior cap；Outer cap sleeve sets and is fixed on outside interior cap, and the open end of outer cap is to extension
It stretches to form cricoid insert, insert is embedded in interior cap or interconnecting piece.Specifically, the good insulating of tube body, preferably ceramic pipe.
Preferably, concaveconvex structure of the insert of the fuse of the utility model in interval；By the bumps knot at the interval
Structure, so that insertion physical efficiency is preferably embedded in interior cap or interconnecting piece, so that the connection of outer cap is more solid and reliable, it is ensured that this is practical
Novel whole stability and fastness.
Preferably, the interconnecting piece of the fuse of the utility model is in circular tube structure, main part is in rhs-structure；This set
Fuse be in symmetrical structure, thus ease of assembly, dismantle and assemble particularly convenient and quick in the interconnecting piece of circular tube structure.
Preferably, the interior cap of the fuse of the utility model structure in the form of sheets；The interior cap of laminated structure can be using welding
Or be glued etc. modes be attached directly on the interconnecting piece of tube body, structure is simple and easy to connect, and save material, reduce at
This.
Preferably, through-hole is arranged in the interior cap of the fuse of the utility model, fuse-link passes through through-hole and is fixed on through-hole
Edge；Fuse-link with interior cap by being fixedly connected again after the through-hole for passing through interior cap, so that fuse-link and interior cap have adequately electricity
Property contact area, both greatly improve the stability being electrically connected, while it is steady to also ensure that fuse-link is connect with interior cap
Qualitative and fastness avoids and the accident that fuse-link disengaging is connect with interior cap occurs under the complex situations rocked, jolted
Occur, it is ensured that the stability and reliability of the utility model fuse work.
Preferably, the fuse-link of the fuse of the utility model is connected to the side of interior cap.Specifically, the length of fuse-link
The length of tube body can be slightly longer than, make to abut between fuse-link and interior cap it is fixed stronger, and have assemble it is simple, at low cost
Advantage after fuse-link is connected to the side of interior cap, can also be used and be welded and fixed.
Preferably, the interior cap of the fuse of the utility model opens up and sets groove, fuse-link is sticked in groove.Fuse-link
Length can be slightly longer than the length of tube body, make to be fixed between fuse-link and interior cap stronger, and have and assemble simple, cost
Low advantage.
Preferably, the interior cap of the fuse of the utility model includes interior crown plate and interior cap ring flat-plate, interior cap ring flat-plate is fixed on
The bottom end of interior crown plate, interior cap ring flat-plate are coated and are fixed on outside interconnecting piece.
Preferably, the interior crown plate of the fuse of the utility model is provided with through-hole, fuse-link passes through through-hole and is fixed on logical
The edge in hole.
Preferably, the interior crown plate of the fuse of the utility model opens up fluted, fuse-link is sticked in groove.
Preferably, the fuse of the utility model includes seal, seal is between outer cap and interconnecting piece.
Compared with prior art, the interior cap of the fuse of the utility model is fixed on outside interconnecting piece, and fuse-link passes through tube body
And it is fixed on interior cap, outer cap sleeve sets and is fixed on outside interior cap, in this way, electric current can flow through interior cap from the outer cap of tube body side, then
Fuse-link is flowed into, the interior cap and outer cap of the tube body other side are again passed through, when entire circuit or equipment generation short circuit or overload, is melted
Disconnected physical efficiency fuses in the tube body with larger inner space to protect circuit rapidly；The open end of outer cap extends outward to form ring
The insert of shape, insert are embedded in interior cap or interconnecting piece, and insertion physical efficiency is reinforced between outer cap and interior cap or outer cap and tube body
Binding force increases fastness and leakproofness, keeps outer cap not easily to fall off.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of fuse；
Fig. 2 is the exploded view of fuse；
Fig. 3 is the left view of fuse；
Fig. 4 is the sectional view that the direction A-A is pressed in Fig. 3；
Fig. 5 is the structural schematic diagram of interior cap.
Specific embodiment
In order to which the technology contents, construction feature of the utility model is described in detail, make furtherly below in conjunction with embodiment
It is bright.
Please refer to Fig. 1-Fig. 4, fuse 100 includes tube body 1, outer cap 2, interior cap 3f and fuse-link 4, during middle tube body 1 is in
Hollow structure, consequently facilitating fuse-link passes through, interior cap 3f is fixed on outside the interconnecting piece 12 of tube body 1, specifically, two interior cap 3f difference
It is fixed on outside the interconnecting piece 12 at the both ends of tube body 1, so that interior cap 3f closes the port of interconnecting piece 12, fuse-link 4 passes through tube body 1
Internal and electric connection is fixed on interior cap 3f, and outer cap 2 is arranged and is fixed on outside interior cap 3f, so that interconnecting piece 12, interior cap
3f and outer cap 2 are connected to form a whole, so that fuse-link 4 was consolidated under the fixed function of interior cap 3f and outer cap 2
It is sealed in tube body 1；In order to further improve the stability of the utility model fuse 100 and to the leakproofness of fuse-link 4,
The utility model extends outward to form cricoid insert 21 in the open end of outer cap 2, since outer cap 2 is arranged and is fixed on interior cap
Outside 3f, therefore cricoid insert 21 is also sheathed on outside interior cap 3f, and the insert 21 for being sheathed on interior cap 3f is also embedded in interior cap 3f
In, to greatly improve the sealing of the connective stability of outer cap 2 and interior cap 3f and the port in interior cap 3f sealed connection portion 12
Property and fastness, and then the stability for improving the utility model fuse 100 and leakproofness to fuse-link 4；Insert 21
Another embodiment is that since outer cap 2 is arranged and is fixed on outside interior cap 3f, and cricoid insert 21 is by the open end of outer cap 2
It extends outward to form, so that insert 21 is directly sleeved on interconnecting piece 12, and outer cap 2 is made to be coated on interior cap 3f
Outside, to greatly improve outer cap 2 and the connective stability and interior cap 3f sealed connection portion 12 of interconnecting piece 12 and interior cap 3f
The leakproofness and fastness of port, and then improve the stability of the utility model fuse 100 and the leakproofness to fuse-link 4.
Specifically, the insert 21 is in the concaveconvex structure being spaced；By the concaveconvex structure at the interval, enable insert 21 preferably embedding
Enter in interior cap 3f or interconnecting piece 12 so that outer cap 2 connection it is more solid and reliable, it is ensured that the stability of the utility model entirety with
Fastness, more specifically, insert 21 can be used pressure technique and be embedded in it in interior cap 3f or interconnecting piece 12.
Referring to figure 2., the interconnecting piece 12 of tube body 1 is in circular tube structure, and main part 11 is in rhs-structure, the fusing of this set
Device is in symmetrical structure, so that ease of assembly, dismantles and assemble particularly convenient and quick in the interconnecting piece of circular tube structure.Tube body 1
Good insulating, preferably ceramic pipe.Interior cap 3f includes interior crown plate 3f3 and interior cap ring flat-plate 3f2, and interior cap 3f is sheathed on the company of tube body 1
Outside socket part 12, through-hole 3f1 is arranged in the interior crown plate 3f3 of interior cap 3f, and fuse-link 4 passes through through-hole 3f1 and is fixed on the side of through-hole 3f1
Edge realizes the electric connection between fuse-link 4 and interior cap 3f.
Referring to figure 4., fuse 100 further includes seal 5, and seal 5 is packaged between outer cap 2 and interior cap 3f, or
Between outer cap 2 and tube body 1, or 2 periphery of outer cap.Seal 5 can be made of organic/inorganic sealing material, can be improved outer
Sealing effect of the cap 2 to the utility model fuse 100.
Referring to figure 5., interior cap 3 can select one of the interior cap 3a, interior cap 3b and interior cap 3c of structure in the form of sheets, interior cap
3a, interior cap 3b and interior cap 3c can be fixed on the port of the interconnecting piece 12 of tube body 1 using the modes such as welding or splicing, wherein interior cap
Through-hole 3b1 is arranged in 3b, and fuse-link 4 can pass through through-hole 3b1 and be fixed on the edge of through-hole 3b1, and fixed form can be using weldering
It connects, so that fuse-link 4 and interior cap 3b have sufficient area in electrical contact, greatly improves the stabilization that the two is electrically connected
Property, while also ensuring stability and fastness that fuse-link 4 is connect with interior cap 3b, avoid rock, answering of jolting
Fuse-link 4 occurs in miscellaneous situation and is detached from the accident generation connecting with interior cap 3b, it is ensured that the utility model fuse 100 worked
Stability and reliability；When interior cap 3 selects interior cap 3a, fuse-link 4 is connected to the side of interior cap 3a, and fuse-link 4 can also be adopted
With the side for being fixedly welded on interior cap 3a, the length of fuse-link 4 can be slightly longer than the length of tube body 1, make fuse-link 4 and interior cap 3a
Between abut fixed stronger, abutting fixed this fixed form has the advantages that assembling speed is fast, at low cost；The side of interior cap 3c
Groove 3c1 is arranged in face, and fuse-link 4 is sticked in groove 3c1, and the being mutually matched property between fuse-link 4 and groove 3c1 will be got well, and increases molten
Area in electrical contact between disconnected body 4 and groove 3c1 improves the stability that the two is electrically connected, it is ensured that flow through the electricity of fuse-link 4
The case where stream can fuse rapidly when being more than rated current, also fuse when avoiding the electric current for flowing through fuse-link 4 lower than rated current, melts
The length of disconnected body 4 can be slightly longer than the length of tube body 1, make to be fixed between fuse-link 4 and interior cap 3c1 stronger, and engaging is solid
Fixed this fixed form also has the advantages that assembling speed is fast, at low cost, when interior cap 3 can select interior cap 3a, the interior cap of sheet
When one of 3b and interior cap 3c, insert 21 is embedded in the interconnecting piece 12 of tube body 1, to greatly improve outer cap 2 and pipe
The leakproofness and fastness of the port in the connective stability of body 1 and interior cap 3f sealed connection portion 12, and then improve the utility model
The stability of fuse 100 and leakproofness to fuse-link 4.On the other hand, interior cap 3 can also select interior cap 3d, interior cap 3e and
One of interior cap 3f, interior cap 3d, interior cap 3e and interior cap 3f are sheathed on the port of the interconnecting piece 12 of tube body 1, for internal cap 3d,
Interior cap 3d includes interior crown plate 3d3 and interior cap ring flat-plate 3d2, and interior cap ring flat-plate 3d2 is fixed on the bottom end of interior crown plate 3d3, fuse-link 4
It is connected to the side of interior crown plate 3d3, the length of fuse-link 4 can be slightly longer than the length of tube body 1, make fuse-link 4 and interior cap 3d
Between abut it is fixed stronger；For internal cap 3e, interior cap 3e includes interior crown plate 3e3 and interior cap ring flat-plate 3e2, interior cap ring flat-plate
3e2 is fixed on the bottom end of interior crown plate 3e3, and the side of interior crown plate 3e3 opens up groove 3e1, and fuse-link 4 is sticked in groove 3e1,
Being mutually matched property between fuse-link 4 and groove 3e1 will be got well, and increase the area in electrical contact between fuse-link 4 and groove 3e1, be improved
The stability that the two is electrically connected, it is ensured that flowing through when the electric current of fuse-link 4 is more than rated current to fuse rapidly, avoid flowing through
The case where electric current of fuse-link 4 also fuses when being lower than rated current, the length of fuse-link 4 can be slightly longer than the length of tube body 1, make
It is fixed between fuse-link 4 and interior cap 3e1 stronger；The case where interior cap 3 selects interior cap 3f has described preceding, no longer chats herein
It states.
The interior cap 3 of the fuse 100 of the utility model is fixed on outside interconnecting piece 12, and fuse-link 4 passes through tube body 1 and is fixed on
Interior cap 3, outer cap 2 are arranged and are fixed on outside interior cap 3, in this way, electric current can flow through interior cap 3 from the outer cap 2 of 1 side of tube body, then flow
Enter fuse-link 4, again passes through the interior cap 3 and outer cap 2 of 1 other side of tube body, when entire circuit or equipment generation short circuit or overload,
Fuse-link 4 can fuse in the tube body 1 with larger inner space to protect circuit rapidly；The open end of outer cap 2 extends outwardly
Form cricoid insert 21, insert 21 is embedded in interior cap 3 or interconnecting piece 12, insert 21 can reinforce outer cap 2 and interior cap 3 or
Binding force between outer cap 2 and tube body 1 increases fastness and leakproofness, keeps outer cap 2 not easily to fall off, fuse 100 can also be set
Seal 5 is set to reinforce its sealing effect.
Above disclosed is only the preferred embodiments of the application, and the interest field of the application cannot be limited with this,
Therefore according to equivalent variations made by the claim of this application, the range that the application is covered is belonged to.
Claims (10)
1. a kind of fuse characterized by comprising
Tube body, the tube body are in hollow structure, and the tube body includes main part, and the both ends of the main part extend outward to form
Interconnecting piece；
Interior cap, the interior cap are fixed on outside the interconnecting piece；
Fuse-link, the fuse-link pass through the tube body and are electrically connected with the interior cap；
Outer cap, the outer cap sleeve set and are fixed on outside the interior cap, and the open end of the outer cap extends outward to form cricoid embedding
Enter body, the insert is embedded in the interior cap or the interconnecting piece.
2. fuse according to claim 1, which is characterized in that the insert is in the concaveconvex structure being spaced.
3. fuse according to claim 1, which is characterized in that the interconnecting piece is in circular tube structure, and the main part is in
Rhs-structure.
4. fuse according to claim 1, which is characterized in that structure, the interior cap are provided with logical the interior cap in the form of sheets
Hole, the fuse-link pass through the through-hole and are fixed on the edge of the through-hole.
5. fuse according to claim 1, which is characterized in that structure, the fuse-link abut the interior cap in the form of sheets
In the side of the interior cap.
6. fuse according to claim 1, which is characterized in that structure, the interior cap open up recessed the interior cap in the form of sheets
Slot, the fuse-link are sticked in the groove.
7. fuse according to claim 1, which is characterized in that the interior cap includes interior crown plate and interior cap ring flat-plate, institute
The bottom end that interior cap ring flat-plate is fixed on the interior crown plate is stated, the interior cap ring flat-plate is coated and is fixed on outside the interconnecting piece.
8. fuse according to claim 7, which is characterized in that the interior crown plate is provided with through-hole, and the fuse-link is worn
It crosses the through-hole and is fixed on the edge of the through-hole.
9. fuse according to claim 7, which is characterized in that the interior crown plate opens up fluted, the fuse-link
It is sticked in the groove.
10. fuse according to claim 1, which is characterized in that further include seal, the seal is located at described outer
Between cap and the interconnecting piece.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018211895610 | 2018-07-24 | ||
| CN201821189561 | 2018-07-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209000859U true CN209000859U (en) | 2019-06-18 |
Family
ID=66807190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821799056.8U Active CN209000859U (en) | 2018-07-24 | 2018-11-01 | Fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209000859U (en) |
-
2018
- 2018-11-01 CN CN201821799056.8U patent/CN209000859U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |