CN204680637U - A kind of automatic ejection type fuse - Google Patents
A kind of automatic ejection type fuse Download PDFInfo
- Publication number
- CN204680637U CN204680637U CN201520353688.1U CN201520353688U CN204680637U CN 204680637 U CN204680637 U CN 204680637U CN 201520353688 U CN201520353688 U CN 201520353688U CN 204680637 U CN204680637 U CN 204680637U
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- oil cylinder
- block
- piston
- catapult
- fuse
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Abstract
The utility model relates to a kind of fuse, particularly relates to a kind of automatic ejection type fuse.The technical problems to be solved in the utility model is to provide one and dismantles easy especially, the simple automatic ejection type fuse of replacement operation.In order to solve the problems of the technologies described above, the utility model provides so a kind of automatic ejection type fuse, includes electric contact, pedestal, elastic seal cartridge, pouring weight, fuse, fusion tube, block I, spring I, piston II, oil cylinder II, catapult-launching gear I, oil cylinder I, piston I, pipeline, catapult-launching gear II, oil cylinder III, piston III, spring II and block II.It is easy especially, simple to operate that the utility model reaches change of fuse dismounting, and be convenient to install, replacing construction is short, can not affect the effect of enterprises production efficiency.
Description
Technical field
The utility model relates to a kind of fuse, particularly relates to a kind of automatic ejection type fuse.
Background technology
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.
Along with vacuum contactor-fuse combined electric appliance is in the promotion and application of large industrial enterprise, fuse be replaced with thorny problem, some contact-fuse combined electric appliance is required great effort especially when changing fuse, need could realize changing by special instrument, dismounting, install all more loaded down with trivial details, not only need the plenty of time expending staff, and cause some visual plants of enterprise not run well, affect the normal production efficiency of enterprise.
Therefore, for fuse dismounting trouble, the numerous and diverse problem of replacement operation, research and develop a kind of convenient disassembly, be convenient to the new type fuse installed, seem under society situation and urgently can not treat.
Utility model content
(1) technical problem that will solve
The utility model in order to overcome, waste time and energy, dismantlement work is numerous and diverse by existing change of fuse, be not easy to the shortcoming of installation, and the technical problems to be solved in the utility model is to provide one and dismantles easy especially, the simple automatic ejection type fuse of replacement operation.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides so a kind of automatic ejection type fuse, includes electric contact, pedestal, elastic seal cartridge, pouring weight, fuse, fusion tube, block I, spring I, piston II, oil cylinder II, catapult-launching gear I, oil cylinder I, piston I, pipeline, catapult-launching gear II, oil cylinder III, piston III, spring II and block II, described fusion tube is arranged on pedestal, described fuse is arranged in fusion tube, described electric contact is arranged on pedestal two ends, described pouring weight is arranged on fuse, described elastic seal cartridge is arranged in fusion tube, described piston I is arranged in elastic seal cartridge, described piston I links together with oil cylinder I, described catapult-launching gear I and catapult-launching gear II all offer location notch, described catapult-launching gear I and catapult-launching gear II are arranged on the below at fusion tube two ends, described block I one end is connected with spring I, described piston II is connected with block I, described piston II is arranged in oil cylinder II, described spring I is connected with the left wall of pedestal, described block II one end is connected with spring II, described piston III is connected with block II, described piston III is arranged in oil cylinder III, described spring II is connected with the right wall of pedestal, described oil cylinder I, oil cylinder II and oil cylinder III are linked together by pipeline.
Preferably, the material of described pouring weight is insulation plastic cement.
Preferably, described pedestal is by high efficiency insulation plastic production.
Preferably, the space in described fusion tube is vacuum space.
Preferably, block I and block II are insulating material.
Preferably, the length of block I and block II is 43mm.
Preferably, the stroke of described oil cylinder I is 17mm.
Preferably, the stroke of described oil cylinder II and oil cylinder III is 13mm.
Operation principle: mounted fusion tube is placed on catapult-launching gear I and catapult-launching gear II by staff, firmly presses down, until block I is stuck on catapult-launching gear I on location notch, block II to be stuck on catapult-launching gear II on location notch, completes installation, makes it normally work;
After the electric current that fuse passes through exceedes setting a period of time, the high temperature that fuse self produces is fused, the pouring weight be arranged on fuse declines immediately, drop on elastic packing to put, the gravity of pouring weight self forces piston I to move down, hydraulic oil in oil cylinder I is extruded, hydraulic oil is by pipeline flow-direction oil cylinder II and oil cylinder III, hydraulic oil in oil cylinder II is by extrapolated for piston II, piston II drives block I to move simultaneously, force spring I compression, hydraulic oil in oil cylinder III is by extrapolated for piston III, piston III drives block II to move simultaneously, force spring II compression, when block I and block II move certain distance backward, catapult-launching gear I and catapult-launching gear II will no longer be subject to the stop of block I and block II, just can pop up, fusion tube is ejected, facilitate removing and installing of staff.
The material of described pouring weight is insulation plastic cement, and abundant raw materials is easy to get, low price, can reduce cost.
Described pedestal is by high efficiency insulation plastic production, effectively prevents the generation of electric leakage accident.
Space in described fusion tube is vacuum space, increases the induction sensitivity of fuse.
Described block I and block II are insulating material, effectively prevent the generation of electric leakage accident.
The length of described block I and block II is 43mm.
The stroke of described oil cylinder I is 17mm.
The stroke of described oil cylinder II and oil cylinder III is 13mm.
(3) beneficial effect
The utility model solves that existing change of fuse is wasted time and energy, dismantlement work is numerous and diverse, is not easy to install, shortcoming, the utility model reach dismounting especially easily, the simple effect of replacement operation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Being labeled as in accompanying drawing: 1-electric contact, 2-pedestal, 3-elastic seal cartridge, 4-pouring weight, 5-fuse, 6-fusion tube, 7-block I, 8-spring I, 9-piston II, 10-oil cylinder II, 11-catapult-launching gear I, 12-oil cylinder I, 13-piston I, 14-pipeline, 15-catapult-launching gear II, 16-oil cylinder III, 17-piston III, 18-spring II, 19-block II.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
embodiment 1
A kind of automatic ejection type fuse, as shown in Figure 1, includes electric contact 1, pedestal 2, elastic seal cartridge 3, pouring weight 4, fuse 5, fusion tube 6, block I 7, spring I 8, piston II 9, oil cylinder II 10, catapult-launching gear I 11, oil cylinder I 12, piston I 13, pipeline 14, catapult-launching gear II 15, oil cylinder III 16, piston III 17, spring II 18 and block II 19, described fusion tube 6 is installed on the base 2, described fuse 5 is arranged in fusion tube 6, described electric contact 1 is arranged on pedestal 2 two ends, described pouring weight 4 is arranged on fuse 5, described elastic seal cartridge 3 is arranged in fusion tube 6, described piston I 13 is arranged in elastic seal cartridge 3, described piston I 13 links together with oil cylinder I 12, described catapult-launching gear I 11 and catapult-launching gear II 15 all offer location notch, described catapult-launching gear I 11 and catapult-launching gear II 15 are arranged on the below at fusion tube 6 two ends, described block I 7 one end is connected with spring I 8, described piston II 9 is connected with block I 7, described piston II 9 is arranged in oil cylinder II 10, described spring I 8 is connected with the left wall of pedestal 2, described block II 19 one end is connected with spring II 18, described piston III 17 is connected with block II 19, described piston III 17 is arranged in oil cylinder III 16, described spring II 18 is connected with the right wall of pedestal 2, described oil cylinder I 12, oil cylinder II 10 and oil cylinder III 16 are linked together by pipeline 14.
Operation principle: mounted fusion tube 6 is placed on catapult-launching gear I 11 and catapult-launching gear II 15 by staff, firmly press down, until block I 7 is stuck on catapult-launching gear I 11 on location notch, block II 19 to be stuck on catapult-launching gear II 15 on location notch, complete installation, make it normally work;
After the electric current that fuse 5 passes through exceedes setting a period of time, the high temperature that fuse 5 self produces is fused, the pouring weight 4 be arranged on fuse 5 declines immediately, drop on elastic seal cartridge 3, the gravity of pouring weight 4 self forces piston I 13 to move down, hydraulic oil in oil cylinder I 12 is extruded, hydraulic oil flows to oil cylinder II 10 and oil cylinder III 16 by pipeline 14, hydraulic oil in oil cylinder II 10 is by extrapolated for piston II 9, piston II 9 drives block I 7 to move simultaneously, spring I 8 is forced to compress, hydraulic oil in oil cylinder III 16 is by extrapolated for piston III 17, piston III 17 drives block II 19 to move simultaneously, spring II 18 is forced to compress, when block I 7 and block II 19 move certain distance backward, catapult-launching gear I 11 and catapult-launching gear II 15 will no longer be subject to the stop of block I 7 and block II 19, just can pop up, fusion tube 6 is ejected, facilitate removing and installing of staff.
embodiment 2
A kind of automatic ejection type fuse, as shown in Figure 1, includes electric contact 1, pedestal 2, elastic seal cartridge 3, pouring weight 4, fuse 5, fusion tube 6, block I 7, spring I 8, piston II 9, oil cylinder II 10, catapult-launching gear I 11, oil cylinder I 12, piston I 13, pipeline 14, catapult-launching gear II 15, oil cylinder III 16, piston III 17, spring II 18 and block II 19, described fusion tube 6 is installed on the base 2, described fuse 5 is arranged in fusion tube 6, described electric contact 1 is arranged on pedestal 2 two ends, described pouring weight 4 is arranged on fuse 5, described elastic seal cartridge 3 is arranged in fusion tube 6, described piston I 13 is arranged in elastic seal cartridge 3, described piston I 13 links together with oil cylinder I 12, described catapult-launching gear I 11 and catapult-launching gear II 15 all offer location notch, described catapult-launching gear I 11 and catapult-launching gear II 15 are arranged on the below at fusion tube 6 two ends, described block I 7 one end is connected with spring I 8, described piston II 9 is connected with block I 7, described piston II 9 is arranged in oil cylinder II 10, described spring I 8 is connected with the left wall of pedestal 2, described block II 19 one end is connected with spring II 18, described piston III 17 is connected with block II 19, described piston III 17 is arranged in oil cylinder III 16, described spring II 18 is connected with the right wall of pedestal 2, described oil cylinder I 12, oil cylinder II 10 and oil cylinder III 16 are linked together by pipeline 14.
The material of described pouring weight 4 is insulation plastic cement.
Described pedestal 2 is by high efficiency insulation plastic production.
Space in described fusion tube 6 is vacuum space.
Block I 7 and block II 19 are insulating material.
The length of block I 7 and block II 19 is 43mm.
The stroke of described oil cylinder I 12 is 17mm.
The stroke of described oil cylinder II 10 and oil cylinder III 16 is 13mm.
Operation principle: mounted fusion tube 6 is placed on catapult-launching gear I 11 and catapult-launching gear II 15 by staff, firmly press down, until block I 7 is stuck on catapult-launching gear I 11 on location notch, block II 19 to be stuck on catapult-launching gear II 15 on location notch, complete installation, make it normally work;
After the electric current that fuse 5 passes through exceedes setting a period of time, the high temperature that fuse 5 self produces is fused, the pouring weight 4 be arranged on fuse 5 declines immediately, drop on elastic seal cartridge 3, the gravity of pouring weight 4 self forces piston I 13 to move down, hydraulic oil in oil cylinder I 12 is extruded, hydraulic oil flows to oil cylinder II 10 and oil cylinder III 16 by pipeline 14, hydraulic oil in oil cylinder II 10 is by extrapolated for piston II 9, piston II 9 drives block I 7 to move simultaneously, spring I 8 is forced to compress, hydraulic oil in oil cylinder III 16 is by extrapolated for piston III 17, piston III 17 drives block II 19 to move simultaneously, spring II 18 is forced to compress, when block I 7 and block II 19 move certain distance backward, catapult-launching gear I 11 and catapult-launching gear II 15 will no longer be subject to the stop of block I 7 and block II 19, just can pop up, fusion tube 6 is ejected, facilitate removing and installing of staff.
The material of described pouring weight 4 is insulation plastic cement, and abundant raw materials is easy to get, low price, can reduce cost.
Described pedestal 2 is by high efficiency insulation plastic production, effectively prevents the generation of electric leakage accident.
Space in described fusion tube 6 is vacuum space, increases the induction sensitivity of fuse 5.
Described block I 7 and block II 19 are insulating material, effectively prevent the generation of electric leakage accident.
The length of described block I 7 and block II 19 is 43mm.
The stroke of described oil cylinder I 12 is 17mm.
The stroke of described oil cylinder II 10 and oil cylinder III 16 is 13mm.
The above embodiment only have expressed preferred implementation of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion, improvement and substitute, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (8)
1. an automatic ejection type fuse, is characterized in that, includes electric contact (1), pedestal (2), elastic seal cartridge (3), pouring weight (4), fuse (5), fusion tube (6), block I (7), spring I (8), piston II (9), oil cylinder II (10), catapult-launching gear I (11), oil cylinder I (12), piston I (13), pipeline (14), catapult-launching gear II (15), oil cylinder III (16), piston III (17), spring II (18) and block II (19), described fusion tube (6) is arranged on pedestal (2), described fuse (5) is arranged in fusion tube (6), described electric contact (1) is arranged on pedestal (2) two ends, described pouring weight (4) is arranged on fuse (5), described elastic seal cartridge (3) is arranged in fusion tube (6), described piston I (13) is arranged in elastic seal cartridge (3), described piston I (13) links together with oil cylinder I (12), described catapult-launching gear I (11) and catapult-launching gear II (15) all offer location notch, described catapult-launching gear I (11) and catapult-launching gear II (15) are arranged on the below at fusion tube (6) two ends, described block I (7) one end is connected with spring I (8), described piston II (9) is connected with block I (7), described piston II (9) is arranged in oil cylinder II (10), described spring I (8) is connected with pedestal (2) left wall, described block II (19) one end is connected with spring II (18), described piston III (17) is connected with block II (19), described piston III (17) is arranged in oil cylinder III (16), described spring II (18) is connected with pedestal (2) right wall, described oil cylinder I (12), oil cylinder II (10) and oil cylinder III (16) are linked together by pipeline (14).
2. a kind of automatic ejection type fuse according to claim 1, is characterized in that, the material of described pouring weight (4) is insulation plastic cement.
3. a kind of automatic ejection type fuse according to claim 1, is characterized in that, described pedestal (2) is by high efficiency insulation plastic production.
4. a kind of automatic ejection type fuse according to claim 1, is characterized in that, the space in described fusion tube (6) is vacuum space.
5. a kind of automatic ejection type fuse according to claim 1, is characterized in that, block I (7) and block II (19) are insulating material.
6. a kind of automatic ejection type fuse according to claim 1, is characterized in that, the length of block I (7) and block II (19) is 43mm.
7. a kind of automatic ejection type fuse according to claim 1, is characterized in that, the stroke of described oil cylinder I (12) is 17mm.
8. a kind of automatic ejection type fuse according to claim 1, is characterized in that, the stroke of described oil cylinder II (10) and oil cylinder III (16) is 13mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520353688.1U CN204680637U (en) | 2015-05-28 | 2015-05-28 | A kind of automatic ejection type fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520353688.1U CN204680637U (en) | 2015-05-28 | 2015-05-28 | A kind of automatic ejection type fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204680637U true CN204680637U (en) | 2015-09-30 |
Family
ID=54180310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520353688.1U Expired - Fee Related CN204680637U (en) | 2015-05-28 | 2015-05-28 | A kind of automatic ejection type fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204680637U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105788994A (en) * | 2016-04-27 | 2016-07-20 | 国网山东省电力公司济南市长清区供电公司 | Tool specialized for replacing fusion tube in current-limiting fuse |
| CN108376632A (en) * | 2018-05-03 | 2018-08-07 | 杭州布雷科电气有限公司 | It is a kind of to trigger quick breaker and its triggering mode certainly |
-
2015
- 2015-05-28 CN CN201520353688.1U patent/CN204680637U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105788994A (en) * | 2016-04-27 | 2016-07-20 | 国网山东省电力公司济南市长清区供电公司 | Tool specialized for replacing fusion tube in current-limiting fuse |
| CN105788994B (en) * | 2016-04-27 | 2017-09-26 | 国网山东省电力公司济南市长清区供电公司 | A kind of limiting fuse changes fusion tube specific purpose tool |
| CN108376632A (en) * | 2018-05-03 | 2018-08-07 | 杭州布雷科电气有限公司 | It is a kind of to trigger quick breaker and its triggering mode certainly |
| CN108376632B (en) * | 2018-05-03 | 2024-01-16 | 杭州布雷科电气有限公司 | Self-triggering rapid breaker and triggering method thereof |
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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 |
Granted publication date: 20150930 Termination date: 20160528 |