CN208753255U - A kind of fuse - Google Patents
A kind of fuse Download PDFInfo
- Publication number
- CN208753255U CN208753255U CN201821370583.7U CN201821370583U CN208753255U CN 208753255 U CN208753255 U CN 208753255U CN 201821370583 U CN201821370583 U CN 201821370583U CN 208753255 U CN208753255 U CN 208753255U
- Authority
- CN
- China
- Prior art keywords
- copper sheathing
- fusible core
- fuse
- contact
- moving contact
- 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
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 43
- 229910052802 copper Inorganic materials 0.000 claims abstract description 43
- 239000010949 copper Substances 0.000 claims abstract description 43
- 230000003068 static effect Effects 0.000 claims abstract description 14
- 230000000903 blocking effect Effects 0.000 claims abstract description 12
- 239000012212 insulator Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 2
- 238000010791 quenching Methods 0.000 claims description 2
- 230000000171 quenching effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 8
- 230000009172 bursting Effects 0.000 abstract 1
- 238000009413 insulation Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000001012 protector Effects 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Landscapes
- Fuses (AREA)
Abstract
The utility model relates to a kind of fuses, including upper end contact, upper end contact bottom is connected with cartridge fuse by bracket, fuse bottom of the tube is connected with the lower static contact that high-insulation is connected by lower moving contact, lower static contact bottom is fixedly installed with the pop-up board below lower moving contact, cartridge fuse includes outer copper sheathing, interior copper sheathing, pin copper sheathing, blocking part, fusible core and tube body, pin copper sheathing one end is connected with outer copper sheathing by fusible core, interior copper sheathing compatible with outer copper sheathing is equipped in outer copper sheathing, interior copper sheathing one end is connected with tube body by blocking part, through-hole groove is respectively connected at the top and bottom of fusible core, through-hole groove bottom end side is equipped with the flanging being connected with fusible core, fusible core outer wall side offers the concave port inside fusible core, spill mouth one end is connected with the arc-shaped side being placed between flanging.The utility model has the advantages that the utility model can easily be accommodated, assembly effect is good, avoids fuse temperature is excessively high from being easy to produce the phenomenon that bursting, security performance is high.
Description
Technical field
A kind of the utility model electric protective equipment technical field, and in particular to fuse.
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.
Fuse is series in circuit using metallic conductor as melt, when overloading or short circuit current crosses melt, because of it
Self-heating and fuse, thus a kind of electric appliance of disjunction circuit.Fuse structure is simple, easy to use, is widely used in power train
As protection device in system, various electrical equipments and household electrical appliance.
Current numerous domestic enterprise is mating to meet electricity piece development just in the fastp-acting fuse of R&D and production large capacity
Needs, fuse plays the role of protection as circuit element in circuit, and melt is generally strip structure, melt fever
When, it is easy to cause fuse shell to burst, simultaneously because pipe sleeve is rough, the punching press dress being unfavorable between tube body
Match, reduces using effect.
Utility model content
The utility model aim is to provide a kind of fuse, provides and a kind of is easily assembled the fuse high with security performance.
In order to achieve the goal above, the technical solution adopted in the utility model are as follows: a kind of fuse, including connecting terminal,
Upper end contact, high strength insulator, lower static contact and lower moving contact, high strength insulator top side pass through the wiring
Terminal is connected with the upper end contact, and upper end contact bottom is connected with cartridge fuse by bracket, and the fuse bottom of the tube is logical
It crosses the lower moving contact and is connected with the lower static contact that the high strength insulator is connected, lower static contact bottom is fixedly mounted
There is the pop-up board being located at below the lower moving contact, which is characterized in that the cartridge fuse includes outer copper sheathing, interior copper sheathing, pin copper
Set, blocking part, fusible core and tube body, pin copper sheathing one end are connected with the outer copper sheathing, the outer copper sheathing by the fusible core
Interior to be equipped with interior copper sheathing compatible with the outer copper sheathing, described interior copper sheathing one end is connected with the tube body by the blocking part,
Through-hole groove is respectively connected at the top and bottom of the fusible core, through-hole groove bottom end side is equipped with the folding being connected with the fusible core
Side, fusible core outer wall side offer the spill mouth inside the fusible core, and spill mouth one end, which is connected with, is placed in institute
State the arc-shaped side between flanging.
Further, the lower moving contact side is equipped with the shaft being connected with lower moving contact bracket.
Further, described lower static contact one end is equipped with fastening bolt on the high strength insulator.
Further, the front surface of the tube body is connected with seal on the blocking part.
The bracket having the technical effect that between upper end contact and lower moving contact of the utility model can guarantee for operating a switch
It operates with, the shaft on pop-up board can allow direct trip after fuse cut, and the interior copper sheathing of outer copper sheathing connection hinders on fusible core
, can be convenient for the assembly connection between tube body under the action of broken piece, when fusible core expanded by heating, the flanging on through-hole groove can stretch
A certain distance allows fuse shell to be protected, and the arc-shaped side on spill mouth can further improve uniform force
Effect, such fuse substantially increase service performance, can easily be accommodated, and assembly effect is good, and security performance is high.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model fuse；
Fig. 2 is the schematic diagram of the utility model cartridge fuse；
Fig. 3 is the schematic diagram of the utility model fusible core.
Appended drawing reference: 1- connecting terminal；The upper end 2- contact；3- high strength insulator；4- lower static contact；5- lower moving contact；
6- bracket；7- cartridge fuse；8- pop-up board；The outer copper sheathing of 9-；Copper sheathing in 10-；11- pin copper sheathing；12- blocking part；13- fusible core；14-
Tube body；15- through-hole groove；16- flanging；17- spill mouth；18- arc-shaped side；19- shaft；20- fastening bolt；21- seal.
Specific embodiment
Referring to attached drawing 1-2, a kind of fuse, including connecting terminal 1, upper end contact 2, high strength insulator 3, lower stationary contact
First 4 and lower moving contact 5, the 3 top side of high strength insulator is connected with the upper end contact by the connecting terminal 1
2,2 bottom of upper end contact is connected with cartridge fuse 7 by bracket 6, and 7 bottom of cartridge fuse is connected by the lower moving contact 5
It is connected to the lower static contact 4 that the high strength insulator 3 is connected, 4 bottom of the lower static contact is fixedly installed under described
The pop-up board 8 of 5 lower section of moving contact, the cartridge fuse 7 include outer copper sheathing 9, interior copper sheathing 10, pin copper sheathing 11, blocking part 12, fusible core
13 and tube body 14, described 11 one end of pin copper sheathing is connected with the outer copper sheathing 9 by the fusible core 13, sets in the outer copper sheathing 9
There is interior copper sheathing 10 compatible with the outer copper sheathing 9, described interior 10 one end of copper sheathing is connected with the pipe by the blocking part 12
Body 14 is respectively connected with through-hole groove 15 at the top and bottom of the fusible core 13, and the 15 bottom end side of through-hole groove is equipped with and the fusible core
13 flangings 16 being connected, the 13 outer wall side of fusible core offers the spill mouth 17 inside the fusible core 13, described recessed
17 one end of shape mouth is connected with the arc-shaped side 18 being placed between the flanging 16.
Preferably, the bracket 6 between upper end contact 2 and lower moving contact 5 can guarantee to operate with for operating a switch, pop-up board 8
On shaft 19 can allow direct trip after fuse cut, the interior copper sheathing 10 that outer copper sheathing 9 connects, the blocking part 12 on fusible core 13
, can be convenient for the assembly connection between tube body 14, when 13 expanded by heating of fusible core under effect, flanging 16 on through-hole groove 15 can be with
Flexible a certain distance, allows fuse shell to be protected, and the arc-shaped side 18 on spill mouth 17 can further improve by
The uniform effect of power, such fuse substantially increase service performance, can easily be accommodated, and assembly effect is good, and security performance is high.
Preferably, 5 side of lower moving contact is equipped with the shaft 19 being connected with lower moving contact bracket.
Preferably, described 5 one end of lower static contact is equipped with fastening bolt 20 on the high strength insulator 3.
Preferably, the front surface of the tube body 14 is connected with seal 21 on the blocking part 12, when tube body 14 fills
After preparing, can directly it be connected and sealed by seal 21.
Preferably, arc quenching material is filled in the fusible core 13.
Basic principles, main features, and advantages of the present invention has 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 the principles of the present invention, the utility model also has respectively on the premise of not departing from the spirit and scope of the utility model
Kind changes and improvements, these changes and improvements are both fallen in the range of claimed invention.The requires of the utility model
Protection scope defined by appended claims and its equivalent.
Claims (5)
1. a kind of fuse, including connecting terminal (1), upper end contact (2), high strength insulator (3), lower static contact (4) and under
Moving contact (5), high strength insulator (3) the top side are connected with the upper end contact by the connecting terminal (1)
(2), upper end contact (2) bottom is connected with cartridge fuse (7) by bracket (6), and cartridge fuse (7) bottom is by under described
Moving contact (5) is connected with the lower static contact (4) that the high strength insulator (3) is connected, and lower static contact (4) bottom is fixed
The pop-up board (8) being located at below the lower moving contact (5) is installed, which is characterized in that the cartridge fuse (7) includes outer copper sheathing
(9), interior copper sheathing (10), pin copper sheathing (11), blocking part (12), fusible core (13) and tube body (14), the pin copper sheathing (11) one
End is connected with the outer copper sheathing (9) by the fusible core (13), is equipped with and outer copper sheathing (9) Xiang Shi in the outer copper sheathing (9)
The interior copper sheathing (10) matched, described interior copper sheathing (10) one end are connected with the tube body (14) by the blocking part (12), described molten
It is respectively connected with through-hole groove (15) at the top and bottom of core (13), through-hole groove (15) the bottom end side is equipped with and the fusible core (13) phase
The flanging (16) of connection, fusible core (13) the outer wall side offer the spill mouth (17) internal through the fusible core (13), institute
It states spill mouth (17) one end and is connected with the arc-shaped side (18) being placed between the flanging (16).
2. a kind of fuse according to claim 1, which is characterized in that lower moving contact (5) side is equipped with under
The shaft (19) that moving contact rack is connected.
3. a kind of fuse according to claim 1, which is characterized in that described lower static contact (4) one end is close to the height
Fastening bolt (20) are installed on strength insulator (3).
4. a kind of fuse according to claim 1, which is characterized in that the front surface of the tube body (14) is close to the resistance
Seal (21) are connected on broken piece (12).
5. a kind of fuse according to claim 1, which is characterized in that be filled with arc quenching material in the fusible core (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821370583.7U CN208753255U (en) | 2018-08-24 | 2018-08-24 | A kind of fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821370583.7U CN208753255U (en) | 2018-08-24 | 2018-08-24 | A kind of fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208753255U true CN208753255U (en) | 2019-04-16 |
Family
ID=66080953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821370583.7U Expired - Fee Related CN208753255U (en) | 2018-08-24 | 2018-08-24 | A kind of fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208753255U (en) |
-
2018
- 2018-08-24 CN CN201821370583.7U patent/CN208753255U/en not_active Expired - Fee Related
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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: 20190416 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |