CN201689855U - Fuse - Google Patents
Fuse Download PDFInfo
- Publication number
- CN201689855U CN201689855U CN 201020168686 CN201020168686U CN201689855U CN 201689855 U CN201689855 U CN 201689855U CN 201020168686 CN201020168686 CN 201020168686 CN 201020168686 U CN201020168686 U CN 201020168686U CN 201689855 U CN201689855 U CN 201689855U
- Authority
- CN
- China
- Prior art keywords
- fuse
- striker
- tappet
- supporting seat
- link
- 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 fuse. A tripping tappet (9) of a tripping mechanism of the fuse is installed inside a tappet slot of an end cover connected with a support (5), a spring (14) is installed between the bottom of the tappet slot and the tripping tappet (9), a striker outlet for a striker (13) to extend into is arranged on the end cover, an elastic clasp arm having one end projecting towards a direction in which the striker is ejected out is arranged on the tripping tappet (9), the striker (13) is tripped by striking the elastic clasp arm, a fuse contact (6) capable of blocking the striker (13) and allowing a fuse striking pin to pass therethrough is installed at the rear end of the support (5), and the support (5) is connected with a fuse body (7) through the fuse contact (6). Compared with the prior art, the fuse has the advantages of convenience in striker (13) detachment, reliable tripping, high flexibility, simple structure, small volume and lower manufacturing cost.
Description
Technical field
The utility model belongs to the manufacturing technology field of power equipment, and particularly a kind of mesohigh electric equipment that is used for is installed insulation property requirement height to fuse-link, and has the fuse of fusing interlock transmission device.
Background technology
The fuse that has fusing interlock transmission device in the past has multiple version, a lot of parts in them all are to make with nonisulated materials such as metals, its structure is relatively complicated, and insulation property are not so good, and a kind of insulation property are arranged recently, and fuse is as shown in Figure 1 relatively preferably.It has a rear end to be connected with the supporting seat 005 of fuse-link support 016, fuse-link support 016 is by conductive contact 006,008 is connected with fuse-link 007, passed a striker 013 in the supporting seat 005, the major part part of striker 013 rear end is over against the outlet of fuse-link impacting pin, the part of the front end of striker 013 outside the striker hole of supporting seat 005 is provided with the anticreep hangnail, the front end of supporting seat 005 is connected with a dropout chamber that is surrounded by rubber jar 004 and end casing 002, the indoor swing component 015 that is connected with set spring 014 that is equipped with of threading off, this swing component 015 is hinged with one one end to the outdoor dropout tappet 009 that stretches out of threading off, and described striker 013 front end and dropout chamber interior are separated with rubber membrane.This change of fuse striker 013 inconvenience not only will be pulled down fuse 007, but also whole dropout chamber need be separated with supporting seat 005, just can pull down striker by the anticreep hangnail of depressing striker 013 front end.In addition, because swing component 015 will be along the swing of the direction of advance of striker front end, it is big that this structure one is that striker 013 will clash into the dropout impact stroke of swing component 015 swing, and dropout sensitivity is lower, and reliability is relatively poor; The 2nd, dropout chamber volume will be done greatlyyer; The 3rd, striker 013 front end punctures the rubber film that insulation is isolated easily; The 4th, part is many, at the indoor support that also will install installation swing component 015 etc. of threading off, complex structure, cost height.
Summary of the invention
The utility model purpose provides a kind of striker and changes conveniently, and volume is little, and is simple in structure, and reliable fuse is active in one's movements.
In order to address the above problem, the supporting seat of striker in comprising, this fuse is housed, fuse-link is equipped with in the rear end of described supporting seat, the front end of described supporting seat is equipped with the dropout tappet, between described striker and described dropout tappet, be provided with these technical characterictics same as the prior art of diaphragm of rubber, in addition, described dropout tappet is contained in the tappet groove of the end cap that is connected with described supporting seat, between the bottom of described tappet groove and described dropout tappet, spring is housed, described end cap is provided with the striker outlet of stretching into for described striker, described dropout tappet is provided with an end to the side-prominent elasticity card arm of described striker Way out one, under the situation of fuse-link normal power-up, this elasticity card arm is stuck in described striker exit, when fuse-link fuses, the striker outlet that described striker enters end cap ejects described striker outlet with elasticity card arm, and the spring that acts on the dropout tappet is endured out the dropout tappet outside the tappet groove; The fuse-link contact is equipped with in the rear end of described supporting seat, be connected with described fuse-link by this fuse-link contact, described fuse-link contact is provided with one less than described striker rearward end between the rear end of the impacting pin of described fuse-link and described striker, opening greater than the impacting pin of described fuse-link, this impacts opening can be for fuse-link when fusing, impacting pin in the fuse-link is gone out and is impacted on the rearward end of striker, under normal circumstances limits striker simultaneously again and impacts in the opening from described contact.
In the such scheme, in the striker outlet of described end cap, a pad that is slightly less than this striker outlet can be housed, the effect of impact of striker can be released the elasticity card arm of described dropout tappet outside the striker outlet reliably by this pad.In above-mentioned each scheme, the front end of described supporting seat and the outside are set with the insulated enclosure cover, and described diaphragm of rubber is the end face part of this insulated enclosure cover; Described end cap can pass described insulated enclosure cover by screw and be connected with described supporting seat, and described fuse-link contact also can be connected with the rear end of described supporting seat by screw.
Owing to adopted technique scheme, the utility model compared with prior art has following beneficial effect:
1. it is convenient to change striker.Only need back out the attachment screw of supporting seat and fuse-link contact and just striker can be pulled down or loaded onto, striker just can be taken off in the dropout chamber that not needing promptly to pull down as prior art the fuse-link of supporting seat rear end needs again to pull down the supporting seat front end.
2. simple in structure, volume is little.Adopt and elasticity card arm directly to be set on the dropout tappet and to be located at striker and to export and match, can realize fastening and tripping function, with need compare the axial dimension that can shorten tripping mechanism greatly in the indoor prior art that swing component is set of threading off, structure is also relatively more simple simultaneously, low cost of manufacture.
3. as long as striker is released the striker outlet with the elasticity card arm on the dropout tappet and just can be realized the interlock of threading off, and is littler than the dropout actuating length of prior art, thereby the interlock of threading off is sensitive reliable.
4. outside supporting seat, adopt the sealing of silicon rubber insulation seal closure suit, can make that the insulation property between tripping mechanism and the fuse-link are improved reliably.
Description of drawings
Fig. 1 is the structural representation of existing fuse.
Fig. 2 is a structural representation of the present utility model.
Fig. 3 is the partial enlarged view at A place among Fig. 2.
Embodiment
The utility model is described in further detail below in conjunction with the embodiment of accompanying drawing.
Fig. 2, fuse shown in Figure 3, the center of its supporting seat 5 is provided with the striker through hole, striker 13 is housed in this through hole, striker 13 is to constitute by two sections pre-small post-large round bar portions are compound, the rear end of supporting seat 5 is connected with hood-shaped fuse-link contact 6 by screw, by fuse-link contact 6 melt disconnected 7 is installed.Supporting seat 5 is made by epoxide resin material, be embedded with the conductive contact 10 that is communicated with fuse-link contact 6 fixing screw holes in the inside of supporting seat 5, the center of fuse-link contact 6 has a through hole, the diameter of this through hole is less than the rearward end of striker 13, greater than the impacting pin in the melt disconnected 7, when melt disconnected 7 fused, its impacting pin can be by the rear end of this through hole bump striker 13.Under the normal power supply state, melt disconnected 7 is connected in the middle of the current supply circuit by conductive contact 10 and conductive contact 9.Big of the front end of supporting seat 5 and lateral surface closely are set with silicon rubber insulation seal closure 4; the front end face of silicon rubber insulation seal closure 4 is a membrane structure; the film portion of end face is enclosed in the place, striker aperture of supporting seat 5 front ends; the end cap that is made of pressing plate 2 and cover plate 3 is connected with supporting seat 5 with silicon rubber insulation seal closure 4 by screw 11; be provided with the tappet groove that moves up and down for dropout tappet 9 between pressing plate 2 and the cover plate 3; cover plate 3 is provided with the striker outlet over against the position in supporting seat 5 front end striker apertures; the spring 14 that acts on tappet groove and dropout tappet 9 lower ends is housed in tappet groove lower end; when the active force that is subjected to the external force effect of depressing to overcome spring 14 when dropout tappet 9 is depressed the tappet bottom land; the free end of the elasticity card arm that dropout tappet 9 sides are provided with just snaps in the inwall of the striker outlet opening of cover plate 3; in the striker outlet opening of cover plate 3; one pad 12 also is housed; when the rear end of striker 13 is subjected to the impacting pin bump of ejection in the fuse-link 7 when fuse-link 7 fusing; striker 13 heads into the striker outlet with silicon rubber insulation seal closure 4 end films; by the pad 12 in the striker outlet elasticity card arm of dropout tappet 9 being released the striker outlet realizes threading off; the tappet 9 of threading off this moment is upwards endured out under the effect of spring 14, thereby other parts that can drive the fusing interlock are protected action to power supply unit.
This fuse not only compact conformation, part is few, and insulated enclosure is good, and parts manufacturing and overall installation are more or less freely, if striker 13 damages when needing to change, just only need the attachment screw of fuse-link contact 6 is pulled down and can or be loaded onto striker 13.This dismounting is very convenient quick.
Claims (3)
1. fuse, the supporting seat (5) of striker (13) is housed in comprising, fuse-link (7) is equipped with in the rear end of described supporting seat (5), the front end of described supporting seat (5) is equipped with dropout tappet (9), between described striker (13) and described dropout tappet (9), be provided with diaphragm of rubber, it is characterized in that: described dropout tappet (9) is contained in the tappet groove of the end cap that is connected with described supporting seat (5), between the bottom of described tappet groove and described dropout tappet (9), spring (14) is housed, described end cap is provided with the striker outlet of stretching into for described striker (13), and described dropout tappet (9) is provided with an end to the side-prominent elasticity card arm of described striker Way out one; Fuse-link contact (6) is equipped with in the rear end of described supporting seat (5), be connected with described fuse-link (7) by this fuse-link contact (6), described fuse-link contact (6) is provided with one less than described striker (13) rearward end between the rear end of the impacting pin of described fuse-link (7) and described striker (13), greater than the opening of the impacting pin of described fuse-link (7).
2. fuse according to claim 1 is characterized in that: in the striker outlet of described end cap pad (12) is housed.
3. fuse according to claim 1 and 2 is characterized in that: the front end of described supporting seat (5) and the outside are set with insulated enclosure cover (4), and described diaphragm of rubber is the end face part of this insulated enclosure cover (4); Described end cap passes described insulated enclosure cover (4) by screw (11) and is connected with described supporting seat (5); Described fuse-link contact (6) is connected by the rear end of screw with described supporting seat (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020168686 CN201689855U (en) | 2010-04-23 | 2010-04-23 | Fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020168686 CN201689855U (en) | 2010-04-23 | 2010-04-23 | Fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201689855U true CN201689855U (en) | 2010-12-29 |
Family
ID=43378133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020168686 Expired - Fee Related CN201689855U (en) | 2010-04-23 | 2010-04-23 | Fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201689855U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102810438A (en) * | 2012-08-06 | 2012-12-05 | 吉林省金冠电气股份有限公司 | Automatic releasing mechanism and application |
| CN103474297A (en) * | 2013-09-03 | 2013-12-25 | 国家电网公司 | Simulated fuse protector |
-
2010
- 2010-04-23 CN CN 201020168686 patent/CN201689855U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102810438A (en) * | 2012-08-06 | 2012-12-05 | 吉林省金冠电气股份有限公司 | Automatic releasing mechanism and application |
| CN102810438B (en) * | 2012-08-06 | 2014-08-06 | 吉林省金冠电气股份有限公司 | Automatic releasing mechanism and application |
| CN103474297A (en) * | 2013-09-03 | 2013-12-25 | 国家电网公司 | Simulated fuse protector |
| CN103474297B (en) * | 2013-09-03 | 2015-01-21 | 国网浙江绍兴市上虞区供电公司 | Simulated fuse protector |
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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: 20101229 Termination date: 20150423 |
|
| EXPY | Termination of patent right or utility model |