CN203983218U - Transversely cutting fuse - Google Patents
Transversely cutting fuse Download PDFInfo
- Publication number
- CN203983218U CN203983218U CN201420434698.3U CN201420434698U CN203983218U CN 203983218 U CN203983218 U CN 203983218U CN 201420434698 U CN201420434698 U CN 201420434698U CN 203983218 U CN203983218 U CN 203983218U
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- CN
- China
- Prior art keywords
- firing pin
- pin type
- type fuse
- fuse
- elastic part
- 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 transversely cutting fuse, it includes firing pin type fuse and insulator, the two ends of firing pin type fuse are equipped with striker, insulator includes upper contact head and lower contact, upper contact head and lower contact are equipped with the identical mechanism of slipping, slip mechanism and be connected in respectively the two ends that firing pin type fuse is corresponding, slip mechanism and include Access Division and elastic part, Access Division is provided with the shackle member for clamping firing pin type fuse, laterally passes the elastic component of firing pin type fuse when elastic part is provided with for firing pin type fuse blows.Feature of the present utility model is, can cut off the electric connecting relation of fuse and insulator simultaneously, avoids producing electric arc, and protection equipment reduces and destroys.
Description
Technical field
The utility model relates to a kind of fuse switch, and more particularly, it relates to a kind of transversely cutting fuse.
Background technology
On distribution transformer high-pressure side and distribution branch circuit, fuse switch be used as distribution transformer and circuit short-circuit protection, overload protection and load current minute, close, be a kind of outdoor high-voltage protective device of indispensability.Fusion tube and the insulator of existing fuse switch are arranged shoulder to shoulder, fuse tensioning when normal work, fusion tube is in the close position, when there is short circuit or overload, fuse failure, fusion tube upper end moving contact and insulator upper end fixed contact depart from, and fusion tube self gravitation rotates centered by by lower fulcrum and falls, and forms obvious open position.When need are stopped power supply pulling load, with insulated tension pole by fusion tube upper end moving contact and the separated power-off of insulator upper end fixed contact.
This product structure is simple, is continued use so far by people always.Yet in use, people also find that existing fuse switch is owing to being subject to the restriction of structure, exist sound contact rated current output capacity little, fusion tube is hung into or takes off not easy to operate on insulator lower support seat, particularly when pulling load power-off, although fusion tube upper end moving contact and the complete separated disengagement of insulator upper end fixed contact, but because fusion tube lower end moving contact remains and is communicated with insulator lower end fixed contact, load end is separation cut thoroughly, therefore, insulator upper end fixed contact and fusion tube upper end moving contact produce electric arc, electric arc after generation very easily can cause ground short circuit or short-circuit between conductors, when serious, also can injure operating personnel.
Utility model content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of firing pin type fuse upper contact head and lower contact of simultaneously cutting off, while avoiding upper contact head and firing pin type fuse to disconnect, lower contact keeps being communicated with firing pin type fuse all the time, and then produces the transversely cutting fuse of electric arc.
For achieving the above object, the utility model provides following technical scheme:
A kind of transversely cutting fuse, it includes firing pin type fuse and insulator, the two ends of described firing pin type fuse are equipped with striker, described insulator includes upper contact head and lower contact, described upper contact head and lower contact are equipped with the identical mechanism of slipping, the described mechanism of slipping is connected in respectively the two ends that firing pin type fuse is corresponding, the described mechanism of slipping includes Access Division and elastic part, described Access Division is provided with the shackle member for clamping firing pin type fuse, laterally passes the elastic component of firing pin type fuse when described elastic part is provided with for firing pin type fuse blows.
Adopt above-mentioned design, upper contact head and lower contact are equipped with and slip mechanism, slipping mechanism can be when firing pin type fuse be normally worked, firing pin type fuse and shackle member butt are fixed, after the fuse failure of firing pin type fuse, the action of the striker of firing pin type fuse, the contact area of shackle member and firing pin type fuse reduces, now the elastic component of elastic part is laterally passed firing pin type fuse, makes firing pin type fuse leave working position.
As setting of the present utility model, between described Access Division and elastic part, be provided with dividing plate, described Access Division is provided with jumping bean spring, and described dividing plate is provided with through hole, and the jumping bean end of described jumping bean spring is placed in through hole.
Adopt above-mentioned design, firing pin type fuse, owing to being limited by dividing plate, is only done sliding motion in elastic part, and jumping bean spring, through through hole butt fusion tube device, fixes firing pin type fuse.
As setting of the present utility model, transversely cutting fuse according to claim 1 and 2, described elastic part is provided with passing spring, and described passing spring one end is laterally fixed in elastic part, the other end is connected with passing plate, described passing plate and firing pin type fuse butt.
Adopt above-mentioned design, in shackle member butt firing pin type fuse, the compressed generation deformation of elastic component, produce elastic potential energy, after the fuse failure of firing pin type fuse, striker action jack-up jumping bean spring, the contact area of fusion tube and jumping bean spring reduces, now firing pin type fuse leaves working position under the effect of passing spring, when realizing upper contact head and lower contact, cut-offs.
As setting of the present utility model, described in slip mechanism and be provided with clamping opening with respect to the other end of insulator, described clamping opening dismounting is connected with capping plate.
Adopt above-mentioned design, the utility model arranges capping plate and prevents that firing pin type fuse from installing while not being steady, firing pin type fuse can landing to outside, cause high-altitude to fall, damage.Convenient installation simultaneously.
As setting of the present utility model, described capping plate is connected with clamping open-top screw thread.
Adopt above-mentioned design, be threaded connection and can dismantle quickly and easily, install.Increase work efficiency.
Compared with prior art, feature of the present utility model is, realize the electric disconnection simultaneously of firing pin type fuse upper/lower terminal, evaded in market, under drop type firing pin type fuse, contact remains and is communicated with firing pin type fuse, can not disconnect, and then cause producing the problem that electric arc damages, simultaneously the utility model simple in structure, be easy to manufacture, there is very good application prospect.
Accompanying drawing explanation
Fig. 1 is the side schematic view of the utility model transversely cutting fuse embodiment;
Fig. 2 is the partial schematic diagram of the utility model transversely cutting fuse embodiment;
Fig. 3 is the side schematic view of another embodiment of the utility model transversely cutting fuse.
Accompanying drawing mark: 1, insulator; 2, firing pin type fuse; 21, striker; 3, upper contact head; 31, Access Division; 311, jumping bean spring; 312, spring; 313, round platform; 32, elastic part; 321, pass spring; 322, pass plate; 4, capping plate; 5, clamping opening.
Embodiment
Referring to figs. 1 through Fig. 2, the utility model transversely cutting fuse embodiment is described further.
As depicted in figs. 1 and 2, the implementation result of the present embodiment is:
Upper contact head 3 and lower contact are equipped with and slip mechanism, slipping mechanism can be when the 2 normal work of firing pin type fuse, firing pin type fuse 2 and shackle member butt are fixed, after the fuse failure of firing pin type fuse 2, striker 21 actions of firing pin type fuse 2, the contact area of shackle member and firing pin type fuse 2 reduces, now the elastic component of elastic part 32 is laterally passed firing pin type fuse 2, make firing pin type fuse 2 leave working position, firing pin type fuse 2 is owing to being limited by dividing plate, only do sliding motion elastic part 32 is interior, jumping bean spring 311 is through through hole butt fusion tube device, make firing pin type fuse 2 fixing, in shackle member butt firing pin type fuse 2, the compressed generation deformation of elastic component, produce elastic potential energy, after the fuse failure of firing pin type fuse 2, striker 21 action jack-up jumping bean springs 311, the contact area of fusion tube and jumping bean spring 311 reduces, now firing pin type fuse 2 leaves working position under the effect of passing spring 321, when realizing upper contact head 3 and lower contact, cut-off.Capping plate 4 prevents that firing pin type fuse 2 from installing while not being steady, firing pin type fuse 2 can landing to outside, cause high-altitude to fall, damage.Convenient installation simultaneously, screw thread can be dismantled quickly and easily, install.Increase work efficiency.
Concrete syndeton and the position relationship of the present embodiment are as follows:
A kind of transversely cutting firing pin type fuse 2, it includes firing pin type fuse 2 and insulator 1, the two ends of striker 21 formula firing pin type fuses 2 are equipped with striker 21, insulator 1 includes upper contact head 3 and lower contact, upper contact head 3 and lower contact are equipped with the identical mechanism of slipping, slip mechanism and be connected in respectively the two ends that firing pin type fuse is corresponding, slip mechanism and include Access Division 31 and elastic part 32, Access Division 31 is provided with the shackle member for clamping firing pin type fuse 2, when being provided with for 2 fusing of firing pin type fuse, elastic part 32 laterally passes the elastic component of firing pin type fuse 2, between Access Division 31 and elastic part 32, be provided with a dividing plate, Access Division 31 is provided with jumping bean spring 311, dividing plate is provided with through hole, the jumping bean end of jumping bean spring 311 is placed in through hole.Elastic part 32 is provided with passes spring 321, passes spring 321 one end and is laterally fixed in elastic part 32, and the other end is connected with passes plate 322, passes plate 322 and the horizontal butt of firing pin type fuse 2.Slip mechanism and be provided with clamping opening 5 with respect to the other end of insulator 1,5 dismountings of clamping opening are connected with capping plate 4.Capping plate 4 is threaded with clamping opening 5.
During installation, dismounting capping plate 4, pushes respectively upper contact head 3 and lower contact by the two ends of firing pin type fuse 2, and spring 321 is passed in compression, until jumping bean spring 311 is connected to striker 21 tops of firing pin type fuse 2.
During fusing, the fuse failure of firing pin type fuse 2, the striker 21 at firing pin type fuse 2 two ends is propelled simultaneously, jumping bean spring 311 and the contact area of the end face of firing pin type fuse 2 are reduced, the thrust of now passing spring 321 is greater than the frictional force between firing pin type fuse 2 and jumping bean spring 311, pass firing pin type fuse 2 and leave working position, realize upper contact head 3 and lower contact cuts off simultaneously.
As shown in Figure 3, as improvement, elastic component of the present utility model also can select other to have certain elastic strength elastic construction, and what as used, spring 312 and round platform 313 connected to form can be at the flexible elastic construction of vertical direction.
The above is only preferred implementation of the present utility model, and protection range of the present utility model is also not only confined to above-described embodiment, and all technical schemes belonging under the utility model thinking all belong to protection range of the present utility model.It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under the utility model principle prerequisite, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (5)
1. a transversely cutting fuse, it is characterized in that: it includes firing pin type fuse and insulator, the two ends of described firing pin type fuse are equipped with striker, described insulator includes upper contact head and lower contact, described upper contact head and lower contact are equipped with the identical mechanism of slipping, the described mechanism of slipping is connected in respectively the two ends that firing pin type fuse is corresponding, the described mechanism of slipping includes Access Division and elastic part, described Access Division is provided with the shackle member for clamping firing pin type fuse, when being provided with for firing pin type fuse blows, described elastic part laterally passes the elastic component of firing pin type fuse.
2. transversely cutting fuse according to claim 1, is characterized in that: between described Access Division and elastic part, be provided with dividing plate, described Access Division is provided with jumping bean spring, and described dividing plate is provided with through hole, and the jumping bean end of described jumping bean spring is placed in through hole.
3. transversely cutting fuse according to claim 1 and 2, is characterized in that: described elastic part is provided with passing spring, and described passing spring one end is laterally fixed in elastic part, and the other end is connected with passing plate, described passing plate and firing pin type fuse butt.
4. transversely cutting fuse according to claim 3, is characterized in that: described in slip mechanism and be provided with clamping opening with respect to the other end of insulator, described clamping opening dismounting is connected with capping plate.
5. transversely cutting fuse according to claim 4, is characterized in that: described capping plate is connected with clamping open-top screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420434698.3U CN203983218U (en) | 2014-08-02 | 2014-08-02 | Transversely cutting fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420434698.3U CN203983218U (en) | 2014-08-02 | 2014-08-02 | Transversely cutting fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203983218U true CN203983218U (en) | 2014-12-03 |
Family
ID=51980643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420434698.3U Expired - Fee Related CN203983218U (en) | 2014-08-02 | 2014-08-02 | Transversely cutting fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203983218U (en) |
-
2014
- 2014-08-02 CN CN201420434698.3U patent/CN203983218U/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: 20141203 Termination date: 20170802 |