CN101692413B - Alarming knife switch convenient to replace fuse - Google Patents
Alarming knife switch convenient to replace fuse Download PDFInfo
- Publication number
- CN101692413B CN101692413B CN2009101530894A CN200910153089A CN101692413B CN 101692413 B CN101692413 B CN 101692413B CN 2009101530894 A CN2009101530894 A CN 2009101530894A CN 200910153089 A CN200910153089 A CN 200910153089A CN 101692413 B CN101692413 B CN 101692413B
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- China
- Prior art keywords
- fuse
- terminals
- movable binding
- binding post
- red copper
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Abstract
The invention relates to an alarming knife switch convenient to replace a fuse. Red copper tongue pieces of a middle terminal and an exit terminal both form fixed orifices, and movable binding posts respectively pass through the fixed orifices on an outlet terminal and the middle terminal; the movable binding post on the outlet terminal is mutually parallel to the movable binding post on the corresponding middle terminal; nuts are arranged on studs of each movable binding post; a spring is sheathed on the movable binding post body and is arranged between a spacing flange and the red copper tongue piece; the movable binding post body of any wiring terminal is provided with a fuse orifice vertical to the axis thereof, the movable binding post body of the corresponding outlet terminal is provided with a fuse inclined trough corresponding to the fuse orifice; and one end of the fuse passes through the fuse orifice, and the other end is horizontally arranged in the fuse inclined trough. Fuses can be replaced by manual operation in no need of any tools, and the knife switch has the alarming function.
Description
Technical field
The present invention relates to a kind of appliance switch, relate in particular to a kind of alarming knife switch that is convenient for changing fuse.
Background technology
Knife switch generally by male contact handle, blade, base, switch cover, be arranged on forming of base both sides into and out of terminals, middle terminals, fuse, wherein zero line and live wire advance the terminals access from 2 respectively, going out terminals is made up of red copper tongue piece and terminal screw, middle terminals are made up of red copper tongue piece, middle intermediate plate and terminal screw, fuse is shaped as the S type, the two ends of fuse respectively by terminal screw with go out terminals and link to each other with middle terminals.If fuse has burnt out, because knife switch itself does not possess warning function, people can't learn that whether fuse fuses, and can't make the behavior of timely replacing fuse; And the words of changing just can change fuse after terminal screw must being screwed down again, and more loaded down with trivial details, knife switch self does not attach unnecessary fuse, the usefulness that can not meet an urgent need.
Summary of the invention
The objective of the invention is to overcome the defective of prior art, a kind of knife switch that is convenient for changing fuse and possesses warning function is provided.
For achieving the above object, the present invention adopts a kind of alarming knife switch that is convenient for changing fuse, comprise male contact handle, blade, base, switch cover, be arranged on advancing on the base, go out terminals, middle terminals, fuse, wherein two are advanced terminals and are respectively applied for and connect live wire and zero line, go out terminals and comprise the first red copper tongue piece and first wiring mechanism, middle terminals comprise the second red copper tongue piece, the middle intermediate plate and second wiring mechanism, the two ends of fuse respectively with go out terminals and link to each other with corresponding middle terminals, first wiring mechanism comprises the first movable binding post, first spring and first nut, second wiring mechanism comprises the second movable binding post, second spring and second nut, wherein the first and second movable binding post shapes are column type, the one end forms defining flange, the other end forms double-screw bolt, mid portion is smooth cylinder, go out the fixing hole that all forms on the first and second red copper tongue pieces of terminals and middle terminals, the first and second movable binding posts are located in out respectively, in the fixing hole on the middle terminals, and the second movable binding post on the middle terminals is parallel to each other with the corresponding first movable binding post that goes out on the terminals, first and second nuts are separately positioned on the double-screw bolt of each movable binding post, first and second springs are set in respectively on the cylinder of movable binding post and between the defining flange and the first and second red copper tongue pieces, offer the fuse hole perpendicular on the cylinder of the second movable binding post in wherein any on the terminals with its axis, offer on the Dui Ying cylinder that goes out the first movable binding post on the terminals and the oblique draw-in groove of the corresponding fuse in this fuse hole with it, fuse is shaped as " one " font, the one end passes the fuse hole, and other end accumbency is in the oblique draw-in groove of fuse.
The present invention further is set to knife switch and comprises alarm lamp, 2 alarm lamps are installed in the both sides of base respectively, alarm lamp is connected back and is connected to the fuse two ends with resistance, promptly one terminate on the second red copper tongue piece of terminals, the other end is received going out on the first red copper tongue piece on the terminals of homonymy.
The present invention further is set to knife switch and comprises fuse box, and 1 or many fuses are placed in the fuse box, and fuse box is adsorbed on the switch cover outside.
The present invention is by the shape and the installation site of improvement wiring mechanism, set up spring simultaneously, do not need any instrument, only need click the defining flange position of the movable binding post of the oblique draw-in groove of band fuse on the leading-out terminal earlier, give active force of spring, movable binding post can be to a side slip in this process, because should be provided with the oblique draw-in groove of fuse by the activity binding post, so one of fuse can skid off from the oblique draw-in groove of fuse, and then the defining flange position of the movable binding post in the band fuse hole on the line end in clicking, fuse has just come loose, and can easily fuse be taken off, and then new fuse put well can realize whole replacing process, simple and convenient.Because fuse is shaped as " one " font, a little fuse box just can be deposited a large amount of fuses of the same type, and fuse box is adsorbed on the switch cover outside, so that standby.Simultaneously because alarm lamp is a relation in parallel with fuse, suppose blown fuse, electric current will pass through alarm lamp, alarm lamp is light, play the warning effect, whether people can be from the outside with regard to the interior working condition of recognizing alarming knife switch inside intuitively, judge to have a power failure because blown fuse causes, and are practical.
Description of drawings
Fig. 1 is an embodiment of the invention stereogram.
Fig. 2 is an embodiment of the invention internal structure schematic diagram.
Fig. 3 is that the K of Fig. 2 is to view.
Fig. 4 is an embodiment of the invention activity binding post stereogram 1.
Fig. 5 is an embodiment of the invention activity binding post stereogram 2.
Fig. 6 is that embodiment of the invention activity binding post, spring and nut are in conjunction with stereogram 1.
Fig. 7 is that embodiment of the invention activity binding post, spring and nut are in conjunction with stereogram 2.
Fig. 8 is embodiment of the invention fuse and the alarm lamp circuit diagram that concerns in parallel.
Embodiment
As Fig. 1,2,3,4,5,6,7, shown in 8, specific embodiments of the invention are a kind of alarming knife switch that are convenient for changing fuse, comprise male contact handle 1, blade 2, base 3, switch cover 7, be arranged on advancing on the base 3, go out terminals, middle terminals, fuse 4, alarm lamp 5, fuse box 6, wherein two are advanced terminals and are respectively applied for and connect live wire and zero line, middle terminals comprise the second red copper tongue piece 8b, the middle intermediate plate and the second wiring mechanism 9b, go out terminals and comprise the first red copper tongue piece 8a and the first wiring mechanism 9a, the first wiring mechanism 9a comprises the first movable binding post 91a, the first spring 92a and the first nut 93a, the second wiring mechanism 9b comprises the second movable binding post 91b, the second spring 92b and the second nut 93b, wherein the first movable binding post 91a and the second movable binding post 91b shape all are column type, the one end forms defining flange 911a respectively, 911b, the other end forms double-screw bolt 912a respectively, 912b, mid portion is respectively smooth cylinder 913a, 913b, the fixing hole 81a that forms respectively on the first red copper tongue piece 8a and the second red copper tongue piece 8b, 81b, the first movable binding post 91a and the second movable binding post 91b are located in out terminals respectively, among the fixing hole 81a and 81b on the middle terminals, and the second movable binding post 91b on the middle terminals is parallel to each other with the corresponding first movable binding post 91a that goes out on the terminals, the first nut 93a puts on the first double-screw bolt 912a of the first movable binding post 91a, the second nut 93b puts on the second double-screw bolt 912b of the second movable binding post 91b, the first cylinder 913a that the first spring 92a is located at the first movable binding post 9a goes up and between the first defining flange 911a and the first red copper tongue piece 8a, the second cylinder 913b that the second spring 92b is located at the second movable binding post 9b goes up and between the second defining flange 911b and the second red copper tongue piece 8b, offer the fuse hole 914 perpendicular on the cylinder 913b of the second movable binding post 91b in wherein any on the terminals with its axis, offer on the Dui Ying cylinder 913a that goes out the first movable binding post 91a on the terminals and the oblique draw-in groove 915 of this fuse hole 914 corresponding fuses with it, fuse 4 is shaped as " one " font, the one end passes fuse hole 914, and other end accumbency is in the oblique draw-in groove 915 of fuse.
2 alarm lamps 5 are installed in the both sides of base 3 respectively, connect with resistance 10 back and be connected to fuse 4 two ends of alarm lamp 5, promptly one terminate on the red copper tongue piece 8 of terminals, the other end is received going out on the red copper tongue piece 8 on the terminals of homonymy.Many fuses 4 are placed in the fuse box 6, and fuse box 6 is adsorbed on switch cover 7 outsides.
Because alarm lamp 5 is relations in parallel with fuse 4, when the alarming knife switch operate as normal, owing to the resistance value of fuse 4 is very little, the alarm lamp bigger resistance 10 of a resistance value of then connecting, alarm lamp 5 is equivalent to by short circuit, so alarm lamp does not work; And when fuse 4 fusing, electric current will be by alarm lamp 5 and resistance 10, and alarm lamp 5 is light, plays the warning effect, whether people can be from the outside with regard to the interior working condition of recognizing alarming knife switch inside intuitively, judge to have a power failure because blown fuse causes.
Claims (3)
1. alarming knife switch that is convenient for changing fuse, comprise male contact handle, blade, base, switch cover, be arranged on advancing on the base, go out terminals, middle terminals, fuse, wherein two are advanced terminals and are respectively applied for and connect live wire and zero line, go out terminals and comprise the first red copper tongue piece and first wiring mechanism, middle terminals comprise the second red copper tongue piece, the middle intermediate plate and second wiring mechanism, the two ends of fuse respectively with go out terminals and link to each other with corresponding middle terminals, it is characterized in that: first wiring mechanism comprises the first movable binding post, first spring and first nut, second wiring mechanism comprises the second movable binding post, second spring and second nut, wherein the first and second movable binding post shapes are column type, the one end forms defining flange, the other end forms double-screw bolt, mid portion is smooth cylinder, go out the fixing hole that all forms on the first and second red copper tongue pieces of terminals and middle terminals, the first and second movable binding posts are located in out respectively, in the fixing hole on the middle terminals, and the second movable binding post on the middle terminals is parallel to each other with the corresponding first movable binding post that goes out on the terminals, first and second nuts are separately positioned on the double-screw bolt of the first and second movable binding posts, first and second springs are set in respectively on the cylinder of the first and second movable binding posts and between the defining flange and the first and second red copper tongue pieces, offer the fuse hole perpendicular on the cylinder of the second movable binding post in wherein any on the terminals with its axis, offer on the Dui Ying cylinder that goes out the first movable binding post on the terminals and the oblique draw-in groove of the corresponding fuse in this fuse hole with it, fuse is shaped as " one " font, the one end passes the fuse hole, and other end accumbency is in the oblique draw-in groove of fuse.
2. the alarming knife switch that is convenient for changing fuse according to claim 1, it is characterized in that: described knife switch comprises alarm lamp, 2 alarm lamps are installed in the both sides of base respectively, alarm lamp is connected back and is connected to the fuse two ends with resistance, promptly one terminate on the second red copper tongue piece of terminals, the other end is received going out on the first red copper tongue piece on the terminals of homonymy.
3. the alarming knife switch that is convenient for changing fuse according to claim 1 and 2 is characterized in that: described knife switch comprises fuse box, and 1 or many fuses are placed in the fuse box, and fuse box is adsorbed on the switch cover outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101530894A CN101692413B (en) | 2009-09-30 | 2009-09-30 | Alarming knife switch convenient to replace fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101530894A CN101692413B (en) | 2009-09-30 | 2009-09-30 | Alarming knife switch convenient to replace fuse |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101692413A CN101692413A (en) | 2010-04-07 |
| CN101692413B true CN101692413B (en) | 2011-07-27 |
Family
ID=42081093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101530894A Expired - Fee Related CN101692413B (en) | 2009-09-30 | 2009-09-30 | Alarming knife switch convenient to replace fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101692413B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105788912A (en) * | 2014-12-18 | 2016-07-20 | 天津博久机电设备科技有限公司 | Back plate of fuse type disconnecting switch |
| CN112017898B (en) * | 2020-09-01 | 2022-10-04 | 河源市省科院研究院 | State monitoring device for high-power supply equipment and using method |
-
2009
- 2009-09-30 CN CN2009101530894A patent/CN101692413B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101692413A (en) | 2010-04-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110727 Termination date: 20130930 |