CN208208705U - A kind of fuse - Google Patents
A kind of fuse Download PDFInfo
- Publication number
- CN208208705U CN208208705U CN201820094727.4U CN201820094727U CN208208705U CN 208208705 U CN208208705 U CN 208208705U CN 201820094727 U CN201820094727 U CN 201820094727U CN 208208705 U CN208208705 U CN 208208705U
- Authority
- CN
- China
- Prior art keywords
- fuse
- metal inner
- shrinkage pool
- insulation shell
- electrode
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of fuse, including fuse ontology, fuse ontology includes insulation shell and termination electrode, and the bottom of termination electrode is provided with salient point, and metal inner electrode is provided in termination electrode, and the bottom of metal inner electrode is provided with shrinkage pool；Fuse equipment is additionally provided in insulation shell, one end of fuse equipment passes through the shrinkage pool on the left of insulation shell and is connected by salient point with shrinkage pool mechanical snap, the one end of the other end connecting spring of fuse equipment in a stretched state, the other end of spring in a stretched state pass through the shrinkage pool on the right side of insulation shell and are connected by salient point with shrinkage pool mechanical snap.The utility model has the beneficial effects that by the way of mechanical snap, it, can be to avoid scolding tin be used, to guarantee the reliability of electrical connection by termination electrode and metal inner electrode fuse equipment and Spring Card jail；Simultaneously in the fusing process of fuse, since the retraction of spring acts on, it is further ensured that quick breaking arc and fuses safely, to guarantee people's safety of life and property.
Description
Technical field
The utility model relates to overload protection arrangement technical fields, it particularly relates to a kind of fuse.
Background technique
Fuse is also referred to as fuse, and effect is: when circuit malfunctions or exception, constantly rising along with circuit
Height, and raised electric current is possible to certain important devices or valuable device in damage circuit, it is also possible to burn circuit very
To causing fire, then, fuse will be raised to certain height and regular hour in current anomaly, itself fusing, cutting
Electric current, to play the role of protecting circuit safety operation.In the prior art, the maximum voltage that tube fuse can generally be born
For 250V, when in the circuit that such fuse is installed in 500V or 600V or even 1000V, when circuit malfunctions or
When abnormal, although fuse understands itself fusing, simultaneously because circuit voltage is relatively high, electric arc generation is had inside insulation shell
And be not easy to extinguish, and increase temperature and air pressure inside insulation shell sharply, then fuse can explode and on fire.This
In the case of, although fuse itself fuses, it can also burn circuit or even cause fire.
Utility model content
For above-mentioned technical problem in the related technology, the utility model proposes a kind of fuses, can overcome existing skill
The above-mentioned deficiency of art.
To realize the above-mentioned technical purpose, the technical solution of the utility model is achieved in that
A kind of fuse, including fuse ontology, the fuse ontology includes insulation shell, the left and right two of the insulation shell
Side is equipped with termination electrode, and the bottom of the termination electrode is provided with salient point, and metal inner electrode, the gold are provided in the termination electrode
The bottom of electrode is provided with the shrinkage pool with the cooperation of the salient point of termination electrode in belonging to；Fuse equipment is additionally provided in the insulation shell, it is described
One end of fuse equipment passes through the shrinkage pool of metal inner electrode on the left of insulation shell and by the salient point of termination electrode and metal inner electrode
The connection of shrinkage pool mechanical snap, the one end of the other end connecting spring of the fuse equipment in a stretched state, the spring are being drawn
It stretches the other end under state and passes through the shrinkage pool of metal inner electrode and salient point and metal inner electrode by termination electrode on the right side of insulation shell
Shrinkage pool mechanical snap connection；Wherein, the fuse equipment includes fuse one and fuse two, and two parallel connection of fuse is wrapped in molten
On silk one.
Further, the termination electrode with salient point and the metal inner electrode with shrinkage pool be all made of impact style once at
Type.
Further, the metal inner electrode is connected with insulation shell using interference fit type.
Further, the material of the fuse two is high fusing thermal energy value material.
Further, one material of fuse is high resistivity material.
The utility model has the beneficial effects that the utility model is by the way of mechanical snap, by termination electrode and metal
Electrode handle fuse equipment and Spring Card jail, to realize the electrical connection of termination electrode and fuse equipment, can to avoid using scolding tin,
And salient point and shrinkage pool can increase the contact area of fuse equipment and spring and termination electrode and metal inner electrode, to guarantee electrical
The reliability of connection；For the utility model in the fusing process of fuse, parallel-connection structure provides a plurality of starting the arc channel simultaneously, and
And since the retraction of spring acts on, the fuse equipment that can quickly disconnect is further ensured that quick breaking arc and fuses safely,
To guarantee people's safety of life and property.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram of fuse according to the utility model embodiment；
In figure:
1, insulation shell；2, termination electrode；3, fuse one；4, fuse two；5, salient point；6, shrinkage pool；7, metal inner electrode；8, bullet
Spring.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art's every other embodiment obtained, all belongs to
In the range of the utility model protection.
As shown in Figure 1, a kind of fuse according to the utility model embodiment, including fuse ontology, the guarantor
Dangerous silk ontology includes insulation shell 1, and the left and right sides of the insulation shell 1 is equipped with termination electrode 2, the bottom setting of the termination electrode 2
There is salient point 5, metal inner electrode 7 is provided in the termination electrode 2, the bottom of the metal inner electrode 7 is provided with and termination electrode 2
The shrinkage pool 6 that salient point 5 cooperates；Fuse equipment is additionally provided in the insulation shell 1, it is left that one end of the fuse equipment passes through insulation shell 1
The shrinkage pool 6 of side metal inner electrode 7 is simultaneously connected by the salient point 5 of termination electrode 2 with 6 mechanical snap of shrinkage pool of metal inner electrode 7, described
The one end of the other end connecting spring 8 of fuse equipment in a stretched state, the other end of the spring 8 in a stretched state pass through
The shrinkage pool 6 of 1 right side metal inner electrode 7 of insulation shell simultaneously passes through 6 mechanical snap of shrinkage pool of the salient point 5 of termination electrode 2 and metal inner electrode 7
Connection；Wherein, the fuse equipment includes fuse 1 and fuse 24, and 24 parallel connection of fuse is wrapped on fuse 1.
In one embodiment, the termination electrode 2 with salient point 5 and the metal inner electrode with shrinkage pool 67 are all made of punching press
Mode one-pass molding.
In one embodiment, the metal inner electrode 7 is connected with insulation shell 1 using interference fit type.
The material of the fuse 24 is high fusing thermal energy value material in one embodiment.
In one embodiment, one 3 material of fuse is high resistivity material.
In order to facilitate the above-mentioned technical proposal for understanding the utility model, below by way of practical new to this in specifically used mode
The above-mentioned technical proposal of type is described in detail.
When specifically used, the utility model includes fuse ontology, and fuse ontology includes insulation shell, a left side for insulation shell
Right two sides are equipped with termination electrode, and the bottom of termination electrode is provided with salient point, metal inner electrode, metal inner electrode are provided in termination electrode
Bottom be provided with the salient point of termination electrode cooperation shrinkage pool；Fuse equipment is additionally provided in insulation shell, one end of fuse equipment is worn
It crosses the shrinkage pool of metal inner electrode on the left of insulation shell and is connected by the salient point of termination electrode with the shrinkage pool mechanical snap of metal inner electrode,
The one end of the other end connecting spring of fuse equipment in a stretched state, the other end of spring in a stretched state pass through insulation shell
The shrinkage pool of right side metal inner electrode is simultaneously connected by the salient point of termination electrode with the shrinkage pool mechanical snap of metal inner electrode；Wherein, it melts
Silk device includes fuse one and fuse two, and two parallel connection of fuse is wrapped on fuse one, and the material of fuse two is high fusing thermal energy value
Material, one material of fuse are high resistivity material；Termination electrode with salient point and the metal inner electrode with shrinkage pool are all made of punching press side
Formula one-pass molding；Metal inner electrode is connected with insulation shell using interference fit type.
The utility model during installation, uses be all made of the termination electrode with salient point and the metal inner electrode with shrinkage pool first
Then metal inner electrode is connected with insulation shell using interference fit type by impact style one-pass molding, then by fuse equipment and
Spring is each passed through the shrinkage pool on the metal inner electrode of the left and right sides, installs termination electrode by the way of interference fit again, realizes
The electrical connection of termination electrode and fuse equipment and termination electrode and spring, can be to avoid using scolding tin, and salient point and shrinkage pool design can
To increase the contact area of fuse equipment and spring and termination electrode and metal inner electrode, to guarantee the reliability of electrical connection；
The fuse of the design uses parallel connected fuse simultaneously, i.e., another fuse two in parallel is wound on existing straight line fuse one, this knot
Structure will increase the fusing thermal energy value of fuse, and parallel-connection structure provides a plurality of starting the arc channel, be conducive to fuse safety cut-off electricity
Road；And the present apparatus is additionally provided with the spring of tensional state in insulation shell, the company when the moment that fuse equipment is blown, after fusing
The fuse equipment for being connected to one end of spring can be pulled open quickly, to quickly cut off the production of tube fuse body interior electric arc
Raw, safety fuses, and ensure that property safety, reduces the generation of safety accident.
In conclusion the utility model fills fuse by the way of mechanical snap, through termination electrode and metal inner electrode
Setting can be to avoid using scolding tin to realize the electrical connection of termination electrode and fuse equipment with Spring Card jail, and salient point and shrinkage pool
The contact area of fuse equipment and spring and termination electrode and metal inner electrode can be increased, to guarantee the reliable of electrical connection
Property；The utility model is in the fusing process of fuse simultaneously, and parallel-connection structure provides a plurality of starting the arc channel, and due to spring
Retraction effect, the fuse equipment that can quickly disconnect is further ensured that quick breaking arc and fuses safely, thus guarantor
Safety of life and property.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (5)
1. a kind of fuse, including fuse ontology, the fuse ontology includes insulation shell (1), a left side for the insulation shell (1)
Right two sides are equipped with termination electrode (2), which is characterized in that the bottom of the termination electrode (2) is provided with salient point (5), the termination electrode
(2) it is provided with metal inner electrode (7) in, the bottom of the metal inner electrode (7) is provided with matches with the salient point (5) of termination electrode (2)
The shrinkage pool (6) of conjunction；Fuse equipment is additionally provided in the insulation shell (1), one end of the fuse equipment passes through on the left of insulation shell (1)
The shrinkage pool (6) of metal inner electrode (7) simultaneously passes through the mechanical card of the shrinkage pool (6) of the salient point (5) of termination electrode (2) and metal inner electrode (7)
It connects in succession, the one end of the other end connecting spring (8) of the fuse equipment in a stretched state, the spring (8) is stretching shape
The other end under state pass through on the right side of insulation shell (1) shrinkage pool (6) of metal inner electrode (7) and by the salient point (5) of termination electrode (2) and
Shrinkage pool (6) mechanical snap of metal inner electrode (7) connects；Wherein, the fuse equipment includes fuse one (3) and fuse two (4),
Fuse two (4) parallel connection is wrapped on fuse one (3).
2. a kind of fuse according to claim 1, which is characterized in that the termination electrode (2) of the band salient point (5) and with recessed
The metal inner electrode (7) in hole (6) is all made of impact style one-pass molding.
3. a kind of fuse according to claim 1, which is characterized in that the metal inner electrode (7) is adopted with insulation shell (1)
It is connected with interference fit type.
4. a kind of fuse according to claim 1, which is characterized in that the material of the fuse two (4) is high fusing heat
Material can be worth.
5. a kind of fuse according to claim 1, which is characterized in that fuse one (3) material is high resistivity
Material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820094727.4U CN208208705U (en) | 2018-01-20 | 2018-01-20 | A kind of fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820094727.4U CN208208705U (en) | 2018-01-20 | 2018-01-20 | A kind of fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208208705U true CN208208705U (en) | 2018-12-07 |
Family
ID=64491933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820094727.4U Expired - Fee Related CN208208705U (en) | 2018-01-20 | 2018-01-20 | A kind of fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208208705U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI717764B (en) * | 2019-06-21 | 2021-02-01 | 功得電子工業股份有限公司 | fuse |
-
2018
- 2018-01-20 CN CN201820094727.4U patent/CN208208705U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI717764B (en) * | 2019-06-21 | 2021-02-01 | 功得電子工業股份有限公司 | fuse |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181207 Termination date: 20200120 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |