CN209496801U - A kind of high-voltage and current-limitation fuse that can easily be accommodated - Google Patents
A kind of high-voltage and current-limitation fuse that can easily be accommodated Download PDFInfo
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- CN209496801U CN209496801U CN201822251240.5U CN201822251240U CN209496801U CN 209496801 U CN209496801 U CN 209496801U CN 201822251240 U CN201822251240 U CN 201822251240U CN 209496801 U CN209496801 U CN 209496801U
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- cylinder groove
- main cylinder
- protective shell
- conducting wire
- connecting plate
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Abstract
The utility model discloses a kind of high-voltage and current-limitation fuses that can easily be accommodated, belong to fuse field, a kind of high-voltage and current-limitation fuse that can easily be accommodated, including melt, the both ends of melt are respectively connected with capping, it covers one end far from melt and is connected with conducting wire, the outside of capping is equipped with multiple arcs protective shell, multiple arcs protective shell annular spread is in the outside of melt, arc protective shell is dug close to one end of conducting wire the arc groove to match with conducting wire, arc protective shell is connected with a pair of of connecting plate far from one end of conducting wire, digging on one of connecting plate has multiple equally distributed main cylinder grooves, digging on another connecting plate has T shape through-hole corresponding with main cylinder groove, extension spring is equipped between every main cylinder groove of adjacent pair, one end of extension spring is fixedly connected with the interior bottom end of main cylinder groove, realization is easy to generate in fusing process Impact air-flow dispersion, make its be not easy because impact force is excessive injure worker and damage surrounding other component.
Description
Technical field
The utility model relates to fuse fields, more specifically to a kind of high-voltage and current-limitation fuse that can easily be accommodated.
Background technique
Fuse refers to when electric current is more than specified value, so that melt is fused with the heat that itself is generated, the one of disconnecting circuit
Kind electric appliance.Fuse be according to electric current be more than specified value for a period of time after, with its own generate heat make Melt molten, thus
Disconnect circuit, with a kind of current protector made of this principle.Fuse be widely used in high and low voltage electric distribution system and
It is using one of most common protection device as the protector of short circuit and overcurrent in control system and electrical equipment.
Existing easy adjusting high-voltage and current-limitation fuse is not provided with airflow dispersion device, in melt fusing moment easily because drawing
Arc phenomenon generates the thumps air-flow such as spark and explosion, when these thump air-flows are released from some direction, because of impact force
The excessive injury easily caused to staff around or surrounding other component.
Utility model content
1. technical problems to be solved
Aiming at the problems existing in the prior art, the purpose of this utility model is to provide a kind of high pressure limits that can easily be accommodated
Flow fuse, it may be implemented to be easy to disperse the impact air-flow generated in fusing process, be not easy it due to impact force is excessive
Injure worker and damage surrounding other component.
2. technical solution
To solve the above problems, the utility model adopts the following technical scheme.
A kind of high-voltage and current-limitation fuse that can easily be accommodated, including melt, the both ends of the melt are respectively connected with capping, described
It covers one end far from melt and is connected with conducting wire, the outside of the capping is equipped with multiple arcs protective shell, and multiple arcs are protected
For protective case annular spread in the outside of melt, the arc protective shell is dug close to one end of conducting wire the arc to match with conducting wire
Slot, the arc protective shell are connected with a pair of of connecting plate far from one end of conducting wire, there is more cutting on one of them described connecting plate
A equally distributed main cylinder groove, digging on another described connecting plate has T shape through-hole corresponding with main cylinder groove, per adjacent
It is equipped with extension spring between a pair of main cylinder groove, one end of the extension spring is fixedly connected with the interior bottom end of main cylinder groove, institute
The other end for stating extension spring is fixedly connected with the bar that is spirally connected, and the bar that is spirally connected is across T shape through-hole and is threaded with stop nut,
May be implemented to be easy to disperse the impact air-flow generated in fusing process, make its be not easy because impact force is excessive injure worker and
Damage surrounding other component.
Further, bonded adhesives is coated on the opposite side wall of connecting plate described in adjacent pair, bonding adhesivity is not
Height can separate under the action of impact air-flow, and a pair of of connecting plate is bonded together by bonded adhesives, makes multiple arcs protective shell
It is not easy to shake after mounting.
Further, the outer surface of arc protective shell is coated with heat conductive silica gel, and being easy to will be on the inside of multiple arcs protective shell
Hot gas export.
Further, the arc groove is connected with insulation glue-line close to one end of conducting wire, while playing insulating effect
It is easy to contact of the arc groove with conducting wire, conducting wire is made to be not easy friction damage.
Further, the T shape through-hole includes secondary cylinder groove and threaded hole, what the pair cylinder groove was added with main cylinder groove
Total height is slightly larger than the length of extension spring under natural conditions, be easy to for extension spring being hidden in main cylinder groove and secondary cylinder groove it
Between, keep a pair of of connecting plate fitting closer.
Further, rubber sleeve is wrapped up in the outside of extension spring, and the both ends of rubber sleeve are respectively and in main cylinder groove
Bottom end and the bar lower end connection that is spirally connected, are effectively reduced injury of the dash current to extension spring, make the using effect of extension spring
More preferably.
3. beneficial effect
Compared with the prior art, utility model has the advantages that
(1) this programme may be implemented to be easy to disperse the impact air-flow generated in fusing process, be not easy it because of impact force
It is excessive and injure worker and damage surrounding other component.
(2) bonded adhesives is coated on the opposite side wall of adjacent pair connecting plate, bonding adhesivity is not high, can impact
It is separated under the action of air-flow, and a pair of of connecting plate is bonded together by bonded adhesives, and multiple arcs protective shell is made to be not easy installing
After shake.
(3) outer surface of arc protective shell is coated with heat conductive silica gel, is easy to lead the hot gas on the inside of multiple arcs protective shell
Out.
(4) arc groove is connected with insulation glue-line close to one end of conducting wire, is easy to arc groove while playing insulating effect
Contact with conducting wire, makes conducting wire be not easy friction damage.
(5) T shape through-hole includes secondary cylinder groove and threaded hole, and the total height that secondary cylinder groove is added with main cylinder groove is slightly larger than drawing
The length of spring under natural conditions is stretched, is easy to for extension spring being hidden between main cylinder groove and secondary cylinder groove, makes a pair of of connection
Plate fitting is closer.
(6) extension spring outside wrap up rubber sleeve, and the both ends of rubber sleeve respectively with the interior bottom end of main cylinder groove with
And the bar lower end connection that is spirally connected, injury of the dash current to extension spring is effectively reduced, keeps the using effect of extension spring more preferable.
Detailed description of the invention
Fig. 1 is the positive structure schematic of the utility model；
Fig. 2 is the side structure schematic diagram after the utility model extension spring stretches；
Fig. 3 is structural schematic diagram at the arc protective shell of the utility model；
Fig. 4 is structural perspective at the arc protective shell of the utility model；
Fig. 5 is structure front elevation after the extension spring of the utility model stretches.
Figure label explanation:
1 melt, 2 cappings, 3 conducting wires, 4 arc protective shells, 41 connecting plates, 42 arc grooves, 5 extension springs, 51 main cylinder grooves,
52 T shape through-holes, 6 are spirally connected bar, 61 stop nuts.
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；Obviously, 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 are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, it should be noted that term " on ", "lower", "inner", "outside", " top/bottom end " etc.
The orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model
It is described with simplifying, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation structure
It makes and operates, therefore should not be understood as limiting the present invention.In addition, term " first ", " second " are only used for description mesh
, it is not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " being provided with ", " be arranged/connect ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, can also be with
It is to be detachably connected, or be integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be with
Indirectly connected through an intermediary, it can be the connection inside two elements.For the ordinary skill in the art, may be used
The concrete meaning of above-mentioned term in the present invention is understood with concrete condition.
Embodiment 1:
Fig. 1 and Fig. 5, a kind of high-voltage and current-limitation fuse that can easily be accommodated, including melt 1, the both ends of melt 1 are please referred to connect
It is connected to capping 2,2 one end far from melt 1 of capping are connected with conducting wire 3, and the outside for covering 2 is equipped with multiple arcs protective shell 4, multiple
In the outside of melt 1, arc protective shell 4 is dug close to one end of conducting wire 3 to be had and 3 phase of conducting wire 4 annular spread of arc protective shell
The arc groove 42 matched, arc protective shell 4 are connected with a pair of of connecting plate 41 far from one end of conducting wire 3, please refer to Fig. 3 and Fig. 4, wherein
Digging on one connecting plate 41 has multiple equally distributed main cylinder grooves 51, and digging on another connecting plate 41 has and main cylinder groove
51 corresponding T shape through-holes 52, referring to Fig. 2, being equipped with extension spring 5, extension spring 5 between the main cylinder groove 51 of every adjacent pair
One end be fixedly connected with the interior bottom end of main cylinder groove 51, the other end of extension spring 5 is fixedly connected with the bar 6 that is spirally connected, and be spirally connected bar 6
Across T shape through-hole 52 and it is threaded with stop nut 61, the bar 6 that is spirally connected is threaded in T shape through-hole 52, by that will limit spiral shell
Mother 61 backs out, then the bar 6 that will be spirally connected is screwed out from T shape through-hole 52, convenient to the disassembly and installation between multiple arcs protective shell 4.
Bonded adhesives is coated on the opposite side wall of adjacent pair connecting plate 41, bonding adhesivity is not high, can impact
It is separated under the action of air-flow, and a pair of of connecting plate 41 is bonded together by bonded adhesives, and multiple arcs protective shell 4 is made to be not easy pacifying
It is shaken after dress, the outer surface of arc protective shell 4 is coated with heat conductive silica gel, is easy to lead the hot gas of 4 inside of multiple arcs protective shell
Out, arc groove 42 is connected with insulation glue-line close to one end of conducting wire 3, is easy to arc groove 42 while playing insulating effect and leads
The contact of line 3 makes conducting wire 3 be not easy friction damage.
T shape through-hole 52 includes that secondary cylinder groove and threaded hole, the total height that secondary cylinder groove is added with main cylinder groove 51 are slightly larger than
The length of extension spring 5 under natural conditions is easy to for extension spring 5 being hidden between main cylinder groove and secondary cylinder groove, makes a pair
Connecting plate 41 is bonded closer, and rubber sleeve is wrapped up in the outside of extension spring 5, and the both ends of rubber sleeve respectively with main cylinder groove 51
Interior bottom end and be spirally connected 6 lower end of bar connection, injury of the dash current to extension spring 5 is effectively reduced, makes making for extension spring 5
It is more preferable with effect.
When overloading or short circuit current makes the fever fusing of melt 1 by melt 1, the spark air blast of fusing moment generation
Etc. multiple arcs protective shell 4 can be impacted, stretch extension spring 5, the spring energy of extension spring 5 overcomes part of impact force, then
Air-flow will be released from dispersion between the gap of multiple arcs protective shell 4, multi-direction to release by breaing up air-flow, effectively be dropped
It is low in a certain direction on because air-flow is excessive cause injury to staff or surrounding other component.
More than, the only preferable specific embodiment of the utility model；But the protection scope of the utility model is not limited to
In this.Anyone skilled in the art within the technical scope disclosed by the utility model, according to the utility model
Technical solution and its improve design be subject to equivalent substitution or change, should all cover within the protection scope of the present utility model.
Claims (6)
1. a kind of high-voltage and current-limitation fuse that can easily be accommodated, including melt (1), it is characterised in that: the both ends of the melt (1) are equal
It is connected with capping (2), the capping (2) is connected with conducting wire (3) far from the one end of melt (1), and the outside of the capping (2) is equipped with
Multiple arcs protective shell (4), multiple arc protective shell (4) annular spreads are in the outside of melt (1), the arc protective shell
(4) one end close to conducting wire (3), which is dug, the arc groove (42) to match with conducting wire (3), and the arc protective shell (4) is separate to lead
One end of line (3) is connected with a pair of of connecting plate (41), there is multiple equally distributed cutting on one of them described connecting plate (41)
Main cylinder groove (51), digging on another described connecting plate (41) has T shape through-hole (52) corresponding with main cylinder groove (51), often
Extension spring (5) are equipped between the main cylinder groove of adjacent pair (51), one end and main cylinder groove (51) of the extension spring (5)
Interior bottom end is fixedly connected, and the other end of the extension spring (5) is fixedly connected with the bar that is spirally connected (6), and the bar that is spirally connected (6) passes through T
Shape through-hole (52) is simultaneously threaded with stop nut (61).
2. a kind of high-voltage and current-limitation fuse that can easily be accommodated according to claim 1, it is characterised in that: adjacent pair institute
It states and is coated with bonded adhesives on the opposite side wall of connecting plate (41), and a pair of of connecting plate (41) is bonded together by bonded adhesives.
3. a kind of high-voltage and current-limitation fuse that can easily be accommodated according to claim 1, it is characterised in that: the arc protection
The outer surface of shell (4) is coated with heat conductive silica gel.
4. a kind of high-voltage and current-limitation fuse that can easily be accommodated according to claim 1, it is characterised in that: the arc groove
(42) one end close to conducting wire (3) is connected with insulation glue-line.
5. a kind of high-voltage and current-limitation fuse that can easily be accommodated according to claim 1, it is characterised in that: the T shape through-hole
It (52) include secondary cylinder groove and threaded hole, the total height that the pair cylinder groove is added with main cylinder groove (51) is slightly larger than extension spring
(5) length under natural conditions.
6. a kind of high-voltage and current-limitation fuse that can easily be accommodated according to claim 1, it is characterised in that: the extension spring
(5) rubber sleeve is wrapped up in outside, and the both ends of rubber sleeve are respectively and under the interior bottom end of main cylinder groove (51) and the bar that is spirally connected (6)
End connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822251240.5U CN209496801U (en) | 2018-12-29 | 2018-12-29 | A kind of high-voltage and current-limitation fuse that can easily be accommodated |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822251240.5U CN209496801U (en) | 2018-12-29 | 2018-12-29 | A kind of high-voltage and current-limitation fuse that can easily be accommodated |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209496801U true CN209496801U (en) | 2019-10-15 |
Family
ID=68154374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822251240.5U Active CN209496801U (en) | 2018-12-29 | 2018-12-29 | A kind of high-voltage and current-limitation fuse that can easily be accommodated |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209496801U (en) |
-
2018
- 2018-12-29 CN CN201822251240.5U patent/CN209496801U/en active Active
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