CN106710935A - Low-voltage fuse disconnecting switch - Google Patents
Low-voltage fuse disconnecting switch Download PDFInfo
- Publication number
- CN106710935A CN106710935A CN201710010791.XA CN201710010791A CN106710935A CN 106710935 A CN106710935 A CN 106710935A CN 201710010791 A CN201710010791 A CN 201710010791A CN 106710935 A CN106710935 A CN 106710935A
- Authority
- CN
- China
- Prior art keywords
- fuse
- bearing pin
- connecting rod
- connecting terminal
- handle
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/02—Details
- H01H21/16—Adaptation for built-in fuse
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/02—Details
- H01H21/18—Movable parts; Contacts mounted thereon
- H01H21/22—Operating parts, e.g. handle
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/02—Details
- H01H21/18—Movable parts; Contacts mounted thereon
- H01H21/36—Driving mechanisms
Landscapes
- Fuses (AREA)
Abstract
The invention discloses a low-voltage fuse disconnecting switch, which comprises a fuse disconnecting switch body, a manipulator, a first connecting rod and a second connecting rod. The fuse disconnecting switch body comprises a lower wiring terminal base, a lower wiring terminal, a lower contact, a lower contact base, a fuse body, a first pin shaft, an upper contact, an upper contact base, an upper wiring terminal and an upper wiring terminal base; the manipulator comprises a handle, a third pin shaft and a fourth pin shaft; the handle is nested on the third pin shaft; the fourth pin shaft is fixedly arranged on an edge position of the handle; the left end of the first connecting rod is connected with the fuse body through the first pin shaft; the left end of the second connecting rod is connected with the first connecting rod through the second pin shaft; the right end of the second connecting rod is connected with the handle through the fourth pin shaft. The low-voltage fuse disconnecting switch provided by the invention is reasonable in design, simple and flexible in structure, and convenient to install, can realize functions of a disconnecting switch and a fuse, and not only can ensure electrical safety of circuits, but also can effectively protect the safety of working personnel.
Description
Technical field
The present invention relates to a kind of power equipment, specifically a kind of low pressure switch with knifeshaped fuse.
Background technology
Switch with knifeshaped fuse is a kind of most simple in manual electrical equipment and most popular low-voltage electrical apparatus, and principle is that wall scroll control is opened
The closure of pass and disconnection, such as will directly dial on handle, the movable contact spring of circle knife is in contact with static contact, so as to realize closing for circuit
Close, when handle is set aside, dynamic and static contact disconnects, and circuit disconnects, and in use, when bearing power is excessive, flows through fuse
Electric current is excessive will to make it generate heat and fuse, and play a part of protection circuit, after fixing a breakdown, change fuse, be continuing with,
It is generally used in the backbone in lighting circuit, the need for the switch with knifeshaped fuse of prior art meets market to a certain extent, but
The installation of existing switch with knifeshaped fuse is very inconvenient, and contact easily punctures generation electric arc, and then produces calcination to human body, and security is not
It is high.
The content of the invention
It is an object of the invention to provide a kind of low pressure switch with knifeshaped fuse, to solve the problems, such as to be proposed in above-mentioned background technology.
To achieve the above object, the present invention provides following technical scheme：
A kind of low pressure switch with knifeshaped fuse, including switch with knifeshaped fuse body, actuation means, first connecting rod and second connecting rod；The knife
Molten Switch main body include lower connecting terminal seat, lower connecting terminal, lower contact, lower touch base, fuse-link, the first bearing pin, upper contact head, on
Touch base, upper connecting terminal and upper connecting terminal seat；The lower connecting terminal seat is arranged on the pedestal lower end in distribution box；Under described
Binding post is arranged on lower connecting terminal seat；The lower contact is arranged on fuse-link lower end；The lower touch base coordinates lower contact
It is vertically set on pedestal lower end；Spring leaf is provided with lower touch base；The fuse-link is arranged between lower contact and upper contact head；Institute
State the first bearing pin and be arranged on fuse-link centre position；The upper contact head is arranged on fuse-link upper end；The upper touch base is tactile with closing
Head is vertically set on pedestal upper end；The upper connecting terminal is arranged on upper connecting terminal seat；The upper connecting terminal seat is set
In pedestal upper end；The actuation means include handle, the 3rd bearing pin and the 4th bearing pin；The handle is nested on the 3rd bearing pin；
4th bearing pin is fixedly installed on handle marginal position；The first connecting rod left end is connected by the first bearing pin with fuse-link
Connect；The second connecting rod left end is connected by the second bearing pin with first connecting rod, and right-hand member is connected by the 4th bearing pin with handle.
As further scheme of the invention：The spring leaf is symmetricly set on lower touch base.
As further scheme of the invention：3rd bearing pin is fixedly installed on panel for electricity distribution box.
Compared with prior art, the beneficial effects of the invention are as follows：
Switch with knifeshaped fuse is arranged in distribution box, increases security and handling, fuse cutout can hot line job, opened it is made
When logical, work about electric power personnel can manual rotate counterclockwise handle, drive second connecting rod and first connecting rod, so as to pull fusing
Body, makes upper contact head be connected with upper touch base, and lower contact is connected with lower touch base, when electric current and voltage are not less than fuse-link rated value, melts
Disconnected body beam conduction work, during overrate, fuse-link fusing is realized automatically powering off, when making to switch off, dextrorotation
Handle is changed hands, in the presence of first connecting rod and second connecting rod, upper contact head is separated with upper touch base, lower contact is separated with lower touch base, the
One connecting rod and second connecting rod have insulating properties, it is ensured that the safety of operating personnel；The present invention is reasonable in design, and simple structure is flexible,
It is easy for installation, the function of disconnecting switch and fuse can be realized, circuit Electrical Safety can be ensured, staff can be carried out again
Effective security protection.
Brief description of the drawings
Fig. 1 is the structural representation of low pressure switch with knifeshaped fuse.
Fig. 2 is the structural representation of first connecting rod and second connecting rod junction in low pressure switch with knifeshaped fuse.
Fig. 3 is the structural representation of lower touch base in low pressure switch with knifeshaped fuse.
In figure：1- supports, 2- lower connecting terminals seat, 3- lower connecting terminals, contact under 4-, touch base under 5-, 6- switch with knifeshaped fuse
Body, 7- fuse-links, the bearing pins of 8- first, 9- first connecting rods, 10- upper contact heads, the upper touch bases of 11-, 12- upper connecting terminals connect on 13-
Line end stroma, the bearing pins of 14- second, 15- second connecting rods, 16- panel for electricity distribution boxes, 17- actuation means, 18- handles, 19- the 3rd sells
Axle, the bearing pins of 20- the 4th, 21- spring leafs.
Specific embodiment
The technical scheme of this patent is described in more detail with reference to specific embodiment.
Refer to Fig. 1-3, a kind of low pressure switch with knifeshaped fuse, including switch with knifeshaped fuse body 6, actuation means 17, the and of first connecting rod 9
Second connecting rod 15；The switch with knifeshaped fuse body 6 includes lower connecting terminal seat 2, lower connecting terminal 3, lower contact 4, lower touch base 5, molten
Disconnected body 7, the first bearing pin 8, upper contact head 10, upper touch base 11, upper connecting terminal 12 and upper connecting terminal seat 13；The lower connecting terminal
Seat 2 is arranged on the lower end of support 1 in distribution box；The lower connecting terminal 3 is arranged on lower connecting terminal seat 2；The lower contact 4
It is arranged on the lower end of fuse-link 7；The lower touch base 5 coordinates lower contact 4 to be vertically set on the lower end of support 1；Bullet is provided with lower touch base 5
Reed 21；The spring leaf 21 is symmetricly set on lower touch base 5；The fuse-link 7 be arranged on lower contact 4 and upper contact head 10 it
Between；First bearing pin 8 is arranged on the centre position of fuse-link 7；The upper contact head 10 is arranged on the upper end of fuse-link 7；It is described tactile
Seat 11 coordinates upper contact head 10 to be vertically set on the upper end of support 1；The upper connecting terminal 12 is arranged on upper connecting terminal seat 13；Institute
State upper connecting terminal seat 13 and be arranged on the upper end of support 1；The actuation means 17 include handle 18, the 3rd bearing pin 19 and the 4th bearing pin
20；The handle 18 is nested on the 3rd bearing pin 19；3rd bearing pin 19 is fixedly installed on panel for electricity distribution box 16；Described
Four bearing pins 20 are fixedly installed on the marginal position of handle 18；The left end of the first connecting rod 9 is connected by the first bearing pin 8 with fuse-link 7
Connect；The left end of the second connecting rod 15 is connected by the second bearing pin 14 with first connecting rod 9, and right-hand member is by the 4th bearing pin 20 and handle 18
Connection；Switch with knifeshaped fuse is arranged in distribution box, increases security and handling, fuse cutout can hot line job, turning it on
When, work about electric power personnel can manual rotate counterclockwise handle 18, drive second connecting rod 15 and first connecting rod 9, so as to pull molten
Disconnected body 7, makes upper contact head 10 be connected with upper touch base 11, and lower contact 4 is connected with lower touch base 5, and electric current and voltage are not less than the volume of fuse-link 7
During definite value, the work of the beam conduction of fuse-link 7, during overrate, fuse-link 7 fuses, and realizes automatically powering off, and makes to switch off
When, turned clockwise handle 18, and in the presence of first connecting rod 9 and second connecting rod 15, upper contact head 10 is separated with upper touch base 11, under
Contact 4 is separated with lower touch base 5, and first connecting rod 9 and second connecting rod 15 have insulating properties, it is ensured that the safety of operating personnel.
The better embodiment to this patent is explained in detail above, but this patent is not limited to above-mentioned embodiment party
Formula, in the ken that one skilled in the relevant art possesses, can also be on the premise of this patent objective not be departed from
Make a variety of changes.
Claims (3)
1. a kind of low pressure switch with knifeshaped fuse, including switch with knifeshaped fuse body, actuation means, first connecting rod and second connecting rod, its feature exist
In, the switch with knifeshaped fuse body include lower connecting terminal seat, lower connecting terminal, lower contact, lower touch base, fuse-link, the first bearing pin,
Upper contact head, upper touch base, upper connecting terminal and upper connecting terminal seat；The lower connecting terminal seat is arranged under the support in distribution box
End；The lower connecting terminal is arranged on lower connecting terminal seat；The lower contact is arranged on fuse-link lower end；The lower touch base is matched somebody with somebody
Close lower contact and be vertically set on pedestal lower end；Spring leaf is provided with lower touch base；The fuse-link is arranged on lower contact and is touched with upper
Between head；First bearing pin is arranged on fuse-link centre position；The upper contact head is arranged on fuse-link upper end；The upper touch base
Upper contact head is coordinated to be vertically set on pedestal upper end；The upper connecting terminal is arranged on upper connecting terminal seat；The upper terminals
Stroma is arranged on pedestal upper end；The actuation means include handle, the 3rd bearing pin and the 4th bearing pin；The handle is nested in the 3rd
On bearing pin；4th bearing pin is fixedly installed on handle marginal position；The first connecting rod left end passes through the first bearing pin and melts
Disconnected body connection；The second connecting rod left end is connected by the second bearing pin with first connecting rod, and right-hand member is connected by the 4th bearing pin with handle
Connect.
2. low pressure switch with knifeshaped fuse according to claim 1, it is characterised in that the spring leaf is symmetricly set on lower touch base
On.
3. low pressure switch with knifeshaped fuse according to claim 1, it is characterised in that the 3rd bearing pin is fixedly installed on distribution box
On panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710010791.XA CN106710935A (en) | 2017-01-06 | 2017-01-06 | Low-voltage fuse disconnecting switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710010791.XA CN106710935A (en) | 2017-01-06 | 2017-01-06 | Low-voltage fuse disconnecting switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106710935A true CN106710935A (en) | 2017-05-24 |
Family
ID=58908659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710010791.XA Pending CN106710935A (en) | 2017-01-06 | 2017-01-06 | Low-voltage fuse disconnecting switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106710935A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10144184A (en) * | 1996-11-06 | 1998-05-29 | Hokuto Techno Kk | Disconnecting switch with safety cover |
| CN2540677Y (en) * | 2002-04-16 | 2003-03-19 | 黄德顺 | Improved knife switch |
| CN2904261Y (en) * | 2006-01-19 | 2007-05-23 | 上海电器陶瓷厂有限公司 | Large current isolator and converting isolator |
| CN201655629U (en) * | 2010-04-20 | 2010-11-24 | 程安林 | Novel pole switch |
| CN203674050U (en) * | 2014-01-04 | 2014-06-25 | 天津鼎一电气成套设备有限公司 | Fuse-type knife switch |
| CN203721583U (en) * | 2014-01-22 | 2014-07-16 | 浙江东华电器股份有限公司 | Rapid arc-extinguishing knife switch |
-
2017
- 2017-01-06 CN CN201710010791.XA patent/CN106710935A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10144184A (en) * | 1996-11-06 | 1998-05-29 | Hokuto Techno Kk | Disconnecting switch with safety cover |
| CN2540677Y (en) * | 2002-04-16 | 2003-03-19 | 黄德顺 | Improved knife switch |
| CN2904261Y (en) * | 2006-01-19 | 2007-05-23 | 上海电器陶瓷厂有限公司 | Large current isolator and converting isolator |
| CN201655629U (en) * | 2010-04-20 | 2010-11-24 | 程安林 | Novel pole switch |
| CN203674050U (en) * | 2014-01-04 | 2014-06-25 | 天津鼎一电气成套设备有限公司 | Fuse-type knife switch |
| CN203721583U (en) * | 2014-01-22 | 2014-07-16 | 浙江东华电器股份有限公司 | Rapid arc-extinguishing knife switch |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170524 |