CN208336134U - A kind of explosion-proof fuse of resistance arc - Google Patents
A kind of explosion-proof fuse of resistance arc Download PDFInfo
- Publication number
- CN208336134U CN208336134U CN201820124117.4U CN201820124117U CN208336134U CN 208336134 U CN208336134 U CN 208336134U CN 201820124117 U CN201820124117 U CN 201820124117U CN 208336134 U CN208336134 U CN 208336134U
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- explosion
- pedestal
- socket sleeve
- base socket
- proof
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Abstract
The utility model discloses a kind of explosion-proof fuse of resistance arc, including pedestal, melt component, resistance segment, electrode piece, base socket sleeve and lid, lid is sticked on pedestal, base socket sleeve one end is set on pedestal, and base socket sleeve is located in lid, and electrode piece upper end is fixed at melt component both ends, electrode piece lower end is vertically placed through on pedestal, electrode piece upper end is located in base socket sleeve, and pedestal and base socket sleeve constitute cavity, and resistance segment is filled in cavity.The explosion-proof fuse of resistance arc of the utility model can simply and effectively filling hinders arc filler inside fuse, and is effective against the explosion that abnormal heavy current impact generates, and enhances the explosion-proof performance of fuse, effectively improves fuse breaking capacity to reach.
Description
Technical field
The utility model relates to explosion-proof technology fields, the in particular to a kind of explosion-proof fuse of resistance arc.
Background technique
Key element of the fuse as electric equipment products safeguard protection, breaking capacity are that electronics electricity can be truncated safely
The important parameter index of device product exception high current, however fuse breaking capacity performance quality again depend primarily on its cut
Extinguish the resistance arc and explosion-proof capabilities of electric arc in disconnected exception high current itself fusing process.
The structure of existing fuse is relatively difficult or cannot be sufficient filling with resistance arc filler, and poor in anti-explosion property.
Therefore, it is badly in need of a kind of explosion-proof fuse of resistance arc to solve the above problems.
Utility model content
Relatively difficult for existing fuse structure or cannot be sufficient filling with resistance arc filler and poor in anti-explosion property, this is practical
It is novel to provide a kind of resistance arc explosion-proof fuse, resistance arc filler can be simply and effectively filled inside fuse, and be effective against
The explosion that abnormal heavy current impact generates, enhances the explosion-proof performance of fuse, effectively improves fuse breaking capacity to reach.
The utility model solve its technical problem the technical solution adopted is that:
A kind of explosion-proof fuse of resistance arc, including pedestal, melt component, resistance segment, electrode piece, base socket sleeve and lid, institute
It states lid to be sticked on the pedestal, described base socket sleeve one end is set on the pedestal, and the base socket sleeve is located at the lid
In vivo, the electrode piece upper end is fixed at melt component both ends, and the electrode piece lower end is vertically placed through described
On pedestal, the electrode piece upper end is located in the base socket sleeve, and the pedestal and the base socket sleeve constitute cavity, the resistance
Segment is filled in the cavity.
Preferably, installation through-hole is vertically offered on the pedestal, the pedestal is close to the base socket sleeve
One end offer the containing groove for being connected to the installation through-hole, one end of the pedestal close to the base socket sleeve opens up
There is isolated groove, the isolated groove is located at below the melt component.
Preferably, the electrode piece upper end is formed with electrode terminal, and the electrode tip is fixed at melt component both ends
In son, the electrode terminal is located in the containing groove, and the electrode piece lower end places in the mounting through hole.
Preferably, the periphery that the pedestal is away from one end of the base socket sleeve has extended outward to form annular boss,
The annular boss offers positioning groove along the two sides in base length direction.
Preferably, described base socket sleeve one end extends outward to form positioning convex platform corresponding to the positioning groove, described fixed
Position boss is sticked in the positioning groove, and described base socket sleeve one end is placed on the annular boss.
Preferably, the annular boss offers air discharge duct along the two sides in base length direction.
Preferably, the annular boss has extended outward to form in chuck along the two sides in base width direction.
Preferably, the lid offers bayonet corresponding to the chuck, and the chuck is sticked in the bayonet.
Preferably, the explosion-proof fuse of resistance arc of the utility model further includes explosion-proof cotton, and the explosion-proof cotton is filled in the lid
In vivo, the explosion-proof cotton is located above the base socket sleeve.
Preferably, the pedestal and the base socket sleeve are integrally formed.
The beneficial effects of the utility model are: the lid that the utility model provides a kind of resistance explosion-proof fuse of arc is sticked in base
On seat, base socket sleeve one end is set on pedestal, and base socket sleeve is located in lid, and electrode piece upper end is fixed at melt component both ends,
Electrode piece lower end is vertically placed through on pedestal, and electrode piece upper end is located in base socket sleeve, and pedestal and base socket sleeve are constituted
Cavity, resistance segment are filled in cavity.Each component is simply and effectively fitted together, wherein lid is sticked in base
On seat, base socket sleeve one end is set on pedestal, and base socket sleeve is located in lid, by the way that base socket sleeve is added in lid, is realized
Multiple protective, so that the explosion-proof performance of fuse enhances, structure is more firm reliable, is hardly damaged rupture, is effective against because different
The explosion that normal heavy current impact generates, greatly improves fuse breaking capacity, furthermore, pedestal and base socket sleeve constitute cavity, because
Melt component both ends are fixed on electrode piece upper end and electrode piece upper end and are located in base socket sleeve, therefore melt component and electrode piece upper end
It in cavity, is filled in cavity by hindering segment, can be easy and resistance arc material is sufficiently filled in melt component and electricity
The surrounding of pole part upper end can effectively reduce the impact energy generated by abnormal high current arc, further enhance explosion-proof performance, from
And improve fuse breaking capacity.
Detailed description of the invention
The utility model will be described in further detail with specific embodiment with reference to the accompanying drawings below, in which:
Fig. 1 is the base construction schematic diagram of the resistance explosion-proof fuse of arc of the utility model first embodiment.
Fig. 2 is the pedestal of the resistance explosion-proof fuse of arc of the utility model first embodiment, melt component and electrode piece combination
Structural schematic diagram.
Fig. 3 be the utility model first embodiment resistance the explosion-proof fuse of arc removal lid after combining structure schematic diagram.
Fig. 4 is the right view of the resistance explosion-proof fuse of arc of the utility model first embodiment.
Fig. 5 is the cross-sectional view of the line A-A along Fig. 4.
Fig. 6 is the right view of the resistance explosion-proof fuse of arc of the utility model second embodiment.
Fig. 7 is the cross-sectional view of the line A-A along Fig. 6.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
Fig. 1 to Fig. 5 is please referred to, the explosion-proof fuse 100 of resistance arc of the utility model first embodiment, the present embodiment are illustrated
The explosion-proof fuse 100 of resistance arc include pedestal 10, melt component 20, resistance segment 30, electrode piece 40, base socket sleeve 50 and lid
60, lid 60 is sticked on pedestal 10, and 50 one end of base socket sleeve is set on pedestal 10, and base socket sleeve 50 is located in lid 60, is melted
40 upper end of electrode piece is fixed at 20 both ends of body component, and 40 lower end of electrode piece is vertically placed through on pedestal 10, electrode piece 40
Upper end is located in base socket sleeve 50, and pedestal 10 and base socket sleeve 50 constitute cavity (being not marked in figure), and resistance segment 30 is filled in sky
It is intracavitary.Each component is simply and effectively fitted together, wherein lid 60 is sticked on pedestal 10, base socket sleeve 50
One end is set on pedestal 10, and base socket sleeve 50 is located in lid 60, by the way that base socket sleeve 50 is added in lid 60, is realized multiple
Protection, so that the explosion-proof performance of fuse enhances, structure is more firm reliable, is hardly damaged rupture, is effective against because abnormal big
The explosion that rush of current generates, greatly improves fuse breaking capacity, furthermore, pedestal 10 and base socket sleeve 50 constitute cavity, because
20 both ends of melt component are fixed on 40 upper end of electrode piece and 40 upper end of electrode piece and are located in base socket sleeve 50, thus melt component 20 and
40 upper end of electrode piece is located in cavity, is filled in cavity by hindering segment 30, can be easy and sufficiently fill resistance arc material
In the surrounding of melt component 20 and electrode piece 40, the impact energy generated by abnormal high current arc can effectively reduce, further
Enhance explosion-proof performance, to improve fuse breaking capacity.Specifically, melt component 20 includes alloy wire 21 and glass body 22,
Alloy wire 21 is wrapped on glass body 22, and base socket sleeve 50 and pedestal 10 are made of high temperature resistant explosion-proof material, is further enhanced molten
The explosion-proof performance of disconnected device, certainly, in other embodiments, the material of base socket sleeve 50 and pedestal 10 can be according to actual use need
It asks and the other materials of flexible choice, therefore this is no longer going to repeat them.Specifically, in the present embodiment, base socket sleeve 50 and base
Seat 10 is made of different high temperature resistant explosion-proof materials；And the high temperature resistant explosion-proof material of pedestal 10 is preferably engineering in the present embodiment
The high temperature resistant explosion-proof material of plastics, base socket sleeve 50 is preferably ceramics, and but not limited to this, therefore details are not described herein.More specifically
Ground, as follows:
Wherein, installation through-hole 11 is vertically offered on pedestal 10, pedestal 10 is close to one end of base socket sleeve 50
The containing groove 12 for being connected to installation through-hole 11 is offered, one end of pedestal 10 close to base socket sleeve 50 offers isolated groove
13, isolated groove 13 is located at 20 lower section of melt component.40 upper end of electrode piece is formed with electrode terminal 42, and 20 both ends of melt component are solid
Due in electrode terminal 42, electrode terminal 42 is located in containing groove 12, and 40 lower end of electrode piece is placed through in installation through-hole 11.One
Aspect, by the clamping structure between electrode piece 40 and pedestal 10, fixed structure between melt component 20 and electrode piece 40 makes
Melt component 20 is more preferably positioned on pedestal and melt component 20 and electrode piece 40 are firm is securely mounted on pedestal 10；When
Fixed structure between right electrode piece 40 and pedestal 10, fixed structure between melt component 20 and electrode piece 40 not as
Limit, therefore details are not described herein；On the other hand, isolated groove 13 is located at 20 lower section of melt component, so that pedestal 10 and melt component
Gap is formed between 20, can will resistance arc material be filled in melt component 20 and 40 surrounding of electrode piece and melt component 20 not with base
Seat 10 contacts, and is not easy to blow pedestal 10 when melt component 20 works.
Compared with the superior, the periphery that pedestal 10 is away from one end of base socket sleeve 50 has extended outward to form annular boss 14, ring
Shape boss 14 offers positioning groove 141 along the two sides of 10 length direction of pedestal.50 one end of base socket sleeve corresponds to positioning groove
141 extend outward to form positioning convex platform 51 along the two sides of 10 length direction of pedestal, and positioning convex platform 51 is sticked in positioning groove 141
Interior, 50 one end of base socket sleeve is placed on annular boss 14.Positioning groove 141, base socket sleeve 50 are sticked in by positioning convex platform 51
One end is placed on annular boss 14 so that base socket sleeve 50 is fixed on pedestal 10 solid and reliablely, certain base socket sleeve 50 with
Fixed structure between pedestal 10 is not limited thereto, therefore details are not described herein.
Referring to Fig. 2, annular boss 14 offers air discharge duct 142 along the two sides of 10 length direction of pedestal.It can will be very big
The high-temperature gas that electric current generates emits, and reduces air pressure, reduces temperature, improves resistance explosion-proof 100 explosion-proof performance of fuse of arc.
Please continue to refer to Fig. 1 to Fig. 5, annular boss 14 has extended outward to form chuck along the two sides of 10 width direction of pedestal
143.Lid 60 corresponds to chuck 143 and offers bayonet 61, and chuck 143 is sticked on bayonet 61, is prevented because of abnormal high current
Under the impact of generation, lid 60 is separated with pedestal 10.
Referring to Fig. 5, the explosion-proof fuse 100 of the resistance arc of the present embodiment further includes explosion-proof cotton 70, explosion-proof cotton 70 is filled in lid
In body 60, explosion-proof cotton 70 is located at 50 top of base socket sleeve.Burn lid 60 can be prevented, so that service life extends, and
So that being not susceptible to move between lid 60 and base socket sleeve 50.
Fig. 6 to Fig. 7 is please referred to, the explosion-proof fuse 100` of resistance arc of the utility model second embodiment, this implementation are illustrated
The structure of the resistance explosion-proof fuse 100 of arc of the explosion-proof fuse 100` of resistance arc and first embodiment of example is essentially identical, and difference only exists
In:
Base socket sleeve 50` and pedestal 10` is made into one molding by engineering plastics.
In addition to the differences mentioned above, other structures are identical as the explosion-proof fuse 100 of the resistance arc of first embodiment, therefore, herein
It repeats no more.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (10)
1. a kind of explosion-proof fuse of resistance arc, it is characterised in that: including pedestal, melt component, resistance segment, electrode piece, base socket sleeve
And lid, the lid are sticked on the pedestal, described base socket sleeve one end is set on the pedestal, the base socket sleeve position
In in the lid, the electrode piece upper end is fixed at melt component both ends, and the electrode piece lower end is vertically worn
It is placed on the pedestal, the electrode piece upper end is located in the base socket sleeve, and the pedestal and the base socket sleeve constitute sky
Chamber, the resistance segment filling is in the cavity.
2. the explosion-proof fuse of resistance arc according to claim 1, it is characterised in that: vertically offered on the pedestal
Installation through-hole, one end of the pedestal close to the base socket sleeve offer the containing groove for being connected to the installation through-hole,
One end of the pedestal close to the base socket sleeve offers isolated groove, and the isolated groove is located under the melt component
Side.
3. the explosion-proof fuse of resistance arc according to claim 2, it is characterised in that: the electrode piece upper end is formed with electrode tip
Son, melt component both ends are fixed in the electrode terminal, and the electrode terminal is located in the containing groove, the electricity
Pole part lower end places in the mounting through hole.
4. the explosion-proof fuse of resistance arc according to any one of claims 1 to 3, it is characterised in that: the pedestal is away from institute
The periphery for stating one end of base socket sleeve has extended outward to form annular boss, two sides of the annular boss along base length direction
Offer positioning groove.
5. the explosion-proof fuse of resistance arc according to claim 4, it is characterised in that: described base socket sleeve one end corresponds to described
Positioning groove extends outward to form positioning convex platform, and the positioning convex platform is sticked in the positioning groove, the base socket sleeve one
End is placed on the annular boss.
6. the explosion-proof fuse of resistance arc according to claim 4, it is characterised in that: the annular boss is along base length direction
Two sides offer air discharge duct.
7. the explosion-proof fuse of resistance arc according to claim 4, it is characterised in that: the annular boss along base width direction two
Epitaxial lateral overgrowth, which is stretched, is formed with chuck.
8. the explosion-proof fuse of resistance arc according to claim 7, it is characterised in that: the lid corresponds to the chuck and opens up
There is bayonet, the chuck is sticked on the bayonet.
9. the explosion-proof fuse of resistance arc according to claim 1, it is characterised in that: further include explosion-proof cotton, the explosion-proof cotton is filled out
It fills in the lid, the explosion-proof cotton is located above the base socket sleeve.
10. the explosion-proof fuse of resistance arc according to claim 1, it is characterised in that: the pedestal and the base socket sleeve one
It is body formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820124117.4U CN208336134U (en) | 2018-01-24 | 2018-01-24 | A kind of explosion-proof fuse of resistance arc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820124117.4U CN208336134U (en) | 2018-01-24 | 2018-01-24 | A kind of explosion-proof fuse of resistance arc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208336134U true CN208336134U (en) | 2019-01-04 |
Family
ID=64782018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820124117.4U Active CN208336134U (en) | 2018-01-24 | 2018-01-24 | A kind of explosion-proof fuse of resistance arc |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208336134U (en) |
-
2018
- 2018-01-24 CN CN201820124117.4U patent/CN208336134U/en active Active
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