CN204257572U - A kind of fuse - Google Patents
A kind of fuse Download PDFInfo
- Publication number
- CN204257572U CN204257572U CN201420860078.6U CN201420860078U CN204257572U CN 204257572 U CN204257572 U CN 204257572U CN 201420860078 U CN201420860078 U CN 201420860078U CN 204257572 U CN204257572 U CN 204257572U
- Authority
- CN
- China
- Prior art keywords
- end cap
- shell
- left end
- right end
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of fuse, comprise left end cap, right end cap, shell and fusion tube, described left end cap is arranged on the left side of shell, described right end cap is arranged on the right side of shell, described left end cap, shell and right end cap are provided with screw rod, and screw rod runs through left end cap successively, shell and right end cap are arranged, described left end cap, a cavity is formed between shell and right end cap, described fusion tube is arranged in cavity, melt is provided with in described fusion tube, quartz sand is filled with between described melt and fusion tube outer wall, described left end cap and right end cap are equipped with binding post, described binding post is provided with cable fixer.The beneficial effects of the utility model have: 1. structure is simple, use, easy for installation, simple to operate, applied widely; 2. cost is low, and melt sealant performance is good, and mounting or dismounting are convenient, and long service life, has safe and reliable effect.
Description
Technical field
The utility model relates to a kind of fuse.
Background technology
Fuse is after exceeding setting a period of time according to electric current, makes Melt molten, thus circuit is disconnected with the heat that himself produces; Use a kind of current protector that this principle is made.Fuse is widely used in high and low voltage electric distribution system and control system and power consumption equipment, as the protector of short circuit and super-high-current, is apply one of the most general protection device.Fuse is a kind of overcurrent protective device.Fuse is primarily of melt and fusion tube and the outer part composition such as filled.During use, be series at by fuse in protected circuit, when the electric current of protected circuit exceedes setting, and after certain hour, the heat fusing melt produced by melt self, makes circuit disconnect, thus plays the effect of protection.Fuse divides the electrical equipment of deenergizing using metallic conductor as melt; be series in circuit; when transshipping or short circuit current passes through melt, heating self fuses by melt, thus all serves certain protective effect to electric power system, various electrical equipment and household electrical appliance.Have inverse time lag characteristic, when overload current hour, fusing time is long; When overload current is large, fusing time is short.Therefore, within the scope of certain overload current, recover normal to electric current, fuse can not fuse, and can continue to use.
Existing fuse, its copper cash is directly connected with between end cap and liner, because end cap and liner are all dismantle inconvenience, make the connection between copper cash and end cap and liner, installation and detachable very inconvenient, make troubles to construction, in addition, existing fuse, melt is copper material, can not use photovoltaic products.
Utility model content
(1) technical problem that will solve
The technical problems to be solved in the utility model is to provide a kind of fuse, compared with existing fuse, difference is by set left end cap, shell and right end cap and screw rod are used in combination, facilitate the dismounting of fuse, and the maintenance in later stage, by set fixed head, be convenient to fuse installation in use, by being filled with quartz sand between melt and fusion tube outer wall, utilize the hard of quartz sand, wear-resisting, the features such as stable chemical performance, can play a protective role to melt, and because its stable chemical performance, when there is pyrophoric behavio(u)r in melt, whole fuse can not be made to burn and cause the paralysis of circuit, by set ventilation hole, add the performance of ventilating of fuse inside, and a large amount of heats can be produced when fuse Long-Time Service, and heat can distribute by ventilation hole in time, add its useful life.
(2) technical scheme
For solving the problem, the utility model adopts following technical scheme:
A kind of fuse, comprise left end cap, right end cap, shell and fusion tube, described left end cap is arranged on the left side of shell, described right end cap is arranged on the right side of shell, described left end cap, shell and right end cap are provided with screw rod, and screw rod runs through left end cap successively, shell and right end cap are arranged, described left end cap, a cavity is formed between shell and right end cap, described fusion tube is arranged in cavity, melt is provided with in described fusion tube, quartz sand is filled with between described melt and fusion tube outer wall, described left end cap and right end cap are equipped with binding post, described binding post is provided with cable fixer.
As preferred technical scheme, described screw rod is provided with screw sleeve, and described screw sleeve is provided with the fixed head for installing fuse, and described fixed head is provided with installing hole, described screw sleeve is provided with the through hole that can pass for screw rod, and described left end cap and right end cap are equipped with ventilation hole.
As preferred technical scheme, described left end cap and right end cap and shell junction are equipped with sealing ring, and the two ends of described screw rod are equipped with nut, described left end cap, shell and right end cap successively by screw rod to match with nut coordinate fixing.
As preferred technical scheme, described melt adopts fine silver material.
(3) beneficial effect
The utility model is compared to prior art, has following beneficial effect: 1. structure is simple, uses, easy for installation, simple to operate, applied widely; 2. cost is low, and melt sealant performance is good, and mounting or dismounting are convenient, and long service life, has safe and reliable effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of fuse of the present utility model;
Fig. 2 is the fixed plate structure figure of a kind of fuse of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
A kind of fuse of the present utility model, comprise left end cap 1, right end cap 2, shell 3 and fusion tube 4, described left end cap 1 is arranged on the left side of shell 3, described right end cap 2 is arranged on the right side of shell 3, described left end cap 1, shell 3 and right end cap 2 are provided with screw rod 5, and screw rod 5 runs through left end cap 1 successively, shell 3 and right end cap 2 are arranged, described left end cap 1, a cavity 6 is formed between shell 3 and right end cap 2, described fusion tube 4 is arranged in cavity 6, melt 7 is provided with in described fusion tube 4, quartz sand 8 is filled with between described melt 7 and fusion tube 6 outer wall, described left end cap 1 and right end cap 2 are equipped with binding post 9, described binding post 9 is provided with cable fixer 10.
Described screw rod 5 is provided with screw sleeve 11, described screw sleeve 11 is provided with the fixed head 12 for installing fuse, described fixed head 12 is provided with installing hole 13, and described screw sleeve 11 is provided with the through hole 14 that can pass for screw rod 5, and described left end cap 1 and right end cap 2 are equipped with ventilation hole 15.
Described left end cap 1 and right end cap 2 are equipped with sealing ring 16 with shell 3 junction, and the two ends of described screw rod 5 are equipped with nut 17, and described left end cap 1, shell 3 and right end cap 2 match to coordinate with nut 17 by screw rod 5 successively and fix.
Described melt 7 adopts fine silver material.
Embodiment 1: a kind of fuse, comprise left end cap, right end cap, shell and fusion tube, described left end cap is arranged on the left side of shell, described right end cap is arranged on the right side of shell, described left end cap, shell and right end cap are provided with screw rod, and screw rod runs through left end cap successively, shell and right end cap are arranged, described left end cap, a cavity is formed between shell and right end cap, described fusion tube is arranged in cavity, melt is provided with in described fusion tube, quartz sand is filled with between described melt and fusion tube outer wall, described left end cap and right end cap are equipped with binding post, described binding post is provided with cable fixer.Be used in combination by set left end cap, shell and right end cap and screw rod; facilitate the dismounting of fuse; and the maintenance in later stage; by being filled with quartz sand between melt and fusion tube outer wall; utilize the features such as hard, wear-resisting, the stable chemical performance of quartz sand, can melt be played a protective role, and because its stable chemical performance; when pyrophoric behavio(u)r appears in melt, whole fuse can not be made to burn and cause the paralysis of circuit.
Embodiment 2: a kind of fuse, comprise left end cap, right end cap, shell and fusion tube, described left end cap is arranged on the left side of shell, described right end cap is arranged on the right side of shell, described left end cap, shell and right end cap are provided with screw rod, and screw rod runs through left end cap successively, shell and right end cap are arranged, described left end cap, a cavity is formed between shell and right end cap, described fusion tube is arranged in cavity, melt is provided with in described fusion tube, quartz sand is filled with between described melt and fusion tube outer wall, described left end cap and right end cap are equipped with binding post, described binding post is provided with cable fixer.Described screw rod is provided with screw sleeve, and described screw sleeve is provided with the fixed head for installing fuse, and described fixed head is provided with installing hole, and described screw sleeve is provided with the through hole that can pass for screw rod, and described left end cap and right end cap are equipped with ventilation hole.Described left end cap and right end cap and shell junction are equipped with sealing ring, and the two ends of described screw rod are equipped with nut, described left end cap, shell and right end cap successively by screw rod to match with nut coordinate fixing.By set fixed head, be convenient to fuse installation in use, by set ventilation hole, add the performance of ventilating of fuse inside, and a large amount of heats can be produced when fuse Long-Time Service, and heat can distribute by ventilation hole in time, adds its useful life.
Fuse (fuse) refers to when electric current exceedes setting, with the heat that itself produces, melt is fused, a kind of electrical equipment of open circuit.Fuse is after exceeding setting a period of time according to electric current, makes Melt molten, thus circuit is disconnected with the heat that himself produces; Use a kind of current protector that this principle is made.Fuse is widely used in high and low voltage electric distribution system and control system and power consumption equipment, as the protector of short circuit and overcurrent, is apply one of the most general protection device.
Fuse is a kind of overcurrent protective device.Fuse is primarily of melt and fusion tube and the outer part composition such as filled.During use, be series at by fuse in protected circuit, when the electric current of protected circuit exceedes setting, and after certain hour, the heat fusing melt produced by melt self, makes circuit disconnect, thus plays the effect of protection.The electrical equipment of deenergizing is divided using metallic conductor as melt; be series in circuit; when transshipping or short circuit current passes through melt, heating self fuses by melt, thus all serves certain protective effect to electric power system, various electrical equipment and household electrical appliance.Have inverse time lag characteristic, when overload current hour, fusing time is long; When overload current is large, fusing time is short.Therefore, within the scope of certain overload current, recover normal to electric current, fuse can not fuse, and can continue to use.
The beneficial effects of the utility model have: 1. structure is simple, use, easy for installation, simple to operate, applied widely; 2. cost is low, and melt sealant performance is good, and mounting or dismounting are convenient, and long service life, has safe and reliable effect.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (4)
1. a fuse, it is characterized in that: comprise left end cap, right end cap, shell and fusion tube, described left end cap is arranged on the left side of shell, described right end cap is arranged on the right side of shell, described left end cap, shell and right end cap are provided with screw rod, and screw rod runs through left end cap successively, shell and right end cap are arranged, described left end cap, a cavity is formed between shell and right end cap, described fusion tube is arranged in cavity, melt is provided with in described fusion tube, quartz sand is filled with between described melt and fusion tube outer wall, described left end cap and right end cap are equipped with binding post, described binding post is provided with cable fixer.
2. fuse according to claim 1, it is characterized in that: described screw rod is provided with screw sleeve, described screw sleeve is provided with the fixed head for installing fuse, described fixed head is provided with installing hole, described screw sleeve is provided with the through hole that can pass for screw rod, and described left end cap and right end cap are equipped with ventilation hole.
3. fuse according to claim 1, it is characterized in that: described left end cap and right end cap and shell junction are equipped with sealing ring, the two ends of described screw rod are equipped with nut, described left end cap, shell and right end cap successively by screw rod to match with nut coordinate fixing.
4. fuse according to claim 1, is characterized in that: described melt adopts fine silver material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420860078.6U CN204257572U (en) | 2014-12-29 | 2014-12-29 | A kind of fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420860078.6U CN204257572U (en) | 2014-12-29 | 2014-12-29 | A kind of fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204257572U true CN204257572U (en) | 2015-04-08 |
Family
ID=52961849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420860078.6U Expired - Fee Related CN204257572U (en) | 2014-12-29 | 2014-12-29 | A kind of fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204257572U (en) |
-
2014
- 2014-12-29 CN CN201420860078.6U patent/CN204257572U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150408 Termination date: 20161229 |