CN218385113U - Novel drop switch - Google Patents
Novel drop switch Download PDFInfo
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- CN218385113U CN218385113U CN202222367086.4U CN202222367086U CN218385113U CN 218385113 U CN218385113 U CN 218385113U CN 202222367086 U CN202222367086 U CN 202222367086U CN 218385113 U CN218385113 U CN 218385113U
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- insulating cylinder
- base
- drop switch
- insulating
- wiring board
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Abstract
The utility model belongs to the technical field of the drop switch, specifically be a novel drop switch, include: the top of the insulating cylinder is connected with a top column through an upper supporting ring, the top column is positioned on the right side of the upper supporting ring, and an elastic conductive plate is arranged on the right side of the lower surface of the top column; the bottom of the insulating column body is connected with a base through a lower supporting ring, the lower surface of the base is provided with a conductive wiring board, a through hole corresponding to the conductive wiring board is longitudinally formed in the left side of the base, and the right end of the base is connected with two rotating arms through a pin shaft. Through the rotary connection of the rotating arm and the insulating cylinder, the joint of the rotating arm and the insulating cylinder can fall down during opening, so that the top end of the insulating cylinder is separated from the elastic conductive plate, and the falling is realized; through the setting of backup pad, under the tensioning effect of fuse, can support the insulating cylinder from the bottom for the insulating cylinder is in normal use, and difficult whereabouts keeps the stability to the insulating cylinder.
Description
Technical Field
The utility model relates to a drop switch technical field specifically is a novel drop switch.
Background
A drop-out switch is a short-circuit protection switch. The device has the characteristics of economy, convenient operation, strong adaptability to outdoor environment and the like, and is widely applied to 10kV/12kV distribution lines and one side of a distribution transformer for protection and equipment switching and cutting operation.
When the existing drop-out switch is used, the support of the insulating cylinder is unstable, the insulating cylinder and the lower side support frame are easy to loosen, and the insulating cylinder falls off, so that a circuit is disconnected without a fault, and the use is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel drop switch to current drop switch that proposes in solving above-mentioned background art is when using, and to the support instability of insulating cylinder, insulating cylinder and downside support frame are not hard up easily, and lead to the insulating cylinder to fall, make the circuit break off without the incident, influence the problem of using.
In order to achieve the above object, the utility model provides a following technical scheme: a novel drop switch, comprising:
the top of the insulating column body is connected with a top column through an upper supporting ring, the top column is positioned on the right side of the upper supporting ring, and an elastic conductive plate is arranged on the right side of the lower surface of the top column;
the bottom end of the insulating column body is connected with a base through a lower supporting ring, a conductive wiring board is arranged on the lower surface of the base, a through hole corresponding to the conductive wiring board is longitudinally formed in the left side of the base, the right end of the base is connected with two rotating arms through a pin shaft, the two rotating arms are arranged on the front side and the rear side of the pin shaft, the middle part between the two rotating arms is connected through a connecting arm, and a supporting plate is fixedly connected to the bottom end of the connecting arm;
the right ends of the rotating arms are connected with an insulating cylinder through pin shafts, the supporting plate is supported at the bottom end of the insulating cylinder, a fuse wire is arranged in the insulating cylinder, the bottom end of the fuse wire extends out of the insulating cylinder, and the fuse wire penetrates between the two rotating arms and penetrates through a through hole to be connected with a conductive wiring board;
the top end of the insulating cylinder is connected with a metal cover in a threaded mode, the metal cover is supported on the lower surface of the elastic conducting plate, and the top end of the fuse wire is connected with the metal cover.
Further, the left side wall of the insulating column body is provided with a mounting plate.
Furthermore, a fastening bolt is screwed on the conductive wiring board, and the fusing wire is wound on the fastening bolt.
Further, a limiting fork frame is arranged on the right side of the lower surface of the ejection column, the limiting fork frame is located on the left side of the elastic conductive plate, and the top end of the insulating cylinder leans against the right side of the limiting fork frame.
Furthermore, the top end of the metal cover is concave, and the lower surface of the elastic conductive plate is convex downwards, which is matched with the concave part of the metal cover.
Further, the right side wall of the insulation cylinder is provided with an opening and closing hook ring.
Compared with the prior art, the beneficial effects of the utility model are that:
1) Through the rotary connection of the rotating arm and the insulating cylinder, the joint of the rotating arm and the insulating cylinder can fall down during opening, so that the top end of the insulating cylinder is separated from the elastic conductive plate, and the falling is realized;
2) Through the setting of backup pad, under the tensioning effect of fuse, can follow the bottom and support the insulating cylinder for the insulating cylinder is in normal use, and difficult whereabouts keeps the stability to the insulating cylinder.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged schematic view of a portion a of fig. 1 according to the present invention;
fig. 3 is a schematic top view of the limiting fork frame of the present invention;
FIG. 4 is a schematic structural view of the base, the conductive wiring board and the through hole of the present invention;
fig. 5 is a schematic structural view of the rotating arm, the supporting plate and the connecting arm of the present invention.
In the figure: the device comprises an insulating column 1, a mounting plate 2, an upper supporting ring 3, a top column 4, an elastic conductive plate 5, a limiting fork 6, a metal cover 7, a base 8, a conductive wiring board 9, a fastening bolt 10, a through hole 11, a rotating arm 12, a supporting plate 13, a connecting arm 14, a fuse wire 15, an insulating cylinder 16, a metal cover 17 and an opening and closing shackle 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The embodiment is as follows:
referring to fig. 1-5, the present invention provides a technical solution: a novel drop switch, comprising:
the device comprises an insulating cylinder 1, wherein the top of the insulating cylinder 1 is connected with a top column 4 through an upper supporting ring 3, the top column 4 is positioned on the right side of the upper supporting ring 3, and an elastic conductive plate 5 is arranged on the right side of the lower surface of the top column 4;
the bottom end of the insulating column body 1 is connected with a base 8 through a lower support ring 7, the lower surface of the base 8 is provided with a conductive wiring board 9, the left side of the base 8 is longitudinally provided with a through hole 11 corresponding to the conductive wiring board 9, the right end of the base 8 is connected with two rotating arms 12 through a pin shaft, the two rotating arms 12 are arranged on the front side and the rear side of the pin shaft, the middle part between the two rotating arms 12 is connected through a connecting arm 14, and the bottom end of the connecting arm 14 is fixedly connected with a support plate 13;
the right ends of the rotating arms 12 are connected with an insulating cylinder 16 through pin shafts, the supporting plate 13 is supported at the bottom end of the insulating cylinder 16, a fuse wire 15 is arranged in the insulating cylinder 16, the bottom end of the fuse wire 15 extends out of the insulating cylinder 16, and the fuse wire 15 penetrates between the two rotating arms 12 and penetrates through the through hole 11 to be connected with the conductive wiring board 9;
the top end of the insulating cylinder 16 is in threaded connection with a metal cover 17, the metal cover 17 is supported on the lower surface of the elastic conductive plate 5, and the top end of the fuse wire 15 is connected with the metal cover 17.
Preferably, the left side wall of the insulation column 1 is provided with a mounting plate 2. Through the setting of mounting panel 2, can be fixed to the whole installation of drop switch.
Preferably, a fastening bolt 10 is screwed on the conductive terminal plate 9, and the fusible link 15 is wound around the fastening bolt 10. The fuse wire 15 and the conductive wiring board 9 are conveniently connected and fixed through the arrangement of the fastening bolt 10.
Preferably, a limiting fork 6 is arranged at the right side of the lower surface of the top post 4, the limiting fork 6 is positioned at the left side of the elastic conductive plate 5, and the top end of the insulating cylinder 16 leans against the right side of the limiting fork 6. Through the setting of spacing crotch 6, avoid insulating cylinder 16 to promote the scope too big and make the contact between insulating cylinder 16 and the elastic conductive plate 5 not inseparable, even insulating cylinder 16 promotes too big scope to the left and can make the separation between insulating cylinder 16 and the elastic conductive plate 5.
Preferably, the top end of the metal cover 17 is concave, and the lower surface of the elastic conductive plate 5 is convex and concave in shape, which is matched with the concave part of the metal cover 17. So that the direct connection between the elastic conductive plate 5 and the metal cap 17 is stable.
Preferably, the right side wall of the insulation cylinder 16 is provided with a clasp 18.
The working principle is as follows: when the fuse protector is used, the fuse wire 15 is inserted into the insulating cylinder 16, the upper end of the fuse wire 15 is connected to the metal cover 17, the lower end of the fuse wire 15 penetrates out of the side wall of the insulating cylinder 16 and penetrates out between the two rotating arms 12, then the fuse wire penetrates out of the through hole 11 and is fixed on the conductive wiring board 9 through the fastening bolt 10, and the lower surface of the insulating cylinder 16 is tightly attached to the supporting plate 13.
The elastic conductive plate 5 and the conductive wiring board 9 are respectively connected in a short circuit, and when the insulating cylinder 16 is switched on, the circuit is closed; when the insulation cylinder 16 is opened and falls, the circuit is disconnected.
The lower side pushes the opening and closing hook ring 18 through the insulating rod, the insulating cylinder 16 is close to the elastic conductive plate 5 until the elastic conductive plate 5 is supported on the metal cover 17, and the left wall of the insulating cylinder 16 leans against the limiting fork 6 to realize closing.
When the fuse wire 15 is blown around the short circuit, the force of the fuse wire 15 disappears, the insulating cylinder 16 descends under the action of gravity, and the joint of the rotating arm 12 and the insulating cylinder 16 sags, so that the metal cover 17 at the upper end of the insulating cylinder 16 is separated from the elastic conductive plate 5.
Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A novel drop switch is characterized by comprising:
the device comprises an insulating cylinder (1), wherein the top of the insulating cylinder (1) is connected with a top column (4) through an upper supporting ring (3), the top column (4) is positioned on the right side of the upper supporting ring (3), and an elastic conductive plate (5) is arranged on the right side of the lower surface of the top column (4);
the bottom end of the insulating column body (1) is connected with a base (8) through a lower support ring (7), a conductive wiring board (9) is arranged on the lower surface of the base (8), a through hole (11) corresponding to the conductive wiring board (9) is longitudinally formed in the left side of the base (8), the right end of the base (8) is connected with two rotating arms (12) through a pin shaft, the two rotating arms (12) are arranged on the front side and the rear side of the pin shaft, the middle part between the two rotating arms (12) is connected through a connecting arm (14), and a support plate (13) is fixedly connected to the bottom end of the connecting arm (14);
the right ends of the rotating arms (12) are connected with an insulating cylinder (16) through pin shafts, the supporting plate (13) is supported at the bottom end of the insulating cylinder (16), a fuse wire (15) is arranged in the insulating cylinder (16), the bottom end of the fuse wire (15) extends out of the insulating cylinder (16), and the fuse wire (15) penetrates between the two rotating arms (12) and penetrates through the through hole (11) to be connected with the conductive wiring board (9);
the top end spiro union of insulating cylinder (16) has metal covering (17), metal covering (17) support is in the lower surface of elasticity current conducting plate (5), the top and the metal covering (17) of fuse (15) are connected.
2. The novel drop switch of claim 1, wherein: and the left side wall of the insulating column body (1) is provided with a mounting plate (2).
3. The novel drop switch of claim 1, wherein: the conductive wiring board (9) is connected with a fastening bolt (10) in a threaded mode, and the fuse wire (15) is wound on the fastening bolt (10).
4. The novel drop switch of claim 1, wherein: a limiting fork frame (6) is arranged on the right side of the lower surface of the ejection column (4), the limiting fork frame (6) is located on the left side of the elastic conductive plate (5), and the top end of the insulating cylinder (16) leans against the right side of the limiting fork frame (6).
5. The novel drop switch of claim 1, wherein: the top end of the metal cover (17) is concave, and the lower surface of the elastic conductive plate (5) is convex downwards matched with the concave part of the metal cover (17).
6. The novel drop switch of claim 1, wherein: the right side wall of the insulating cylinder (16) is provided with an opening and closing hook ring (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222367086.4U CN218385113U (en) | 2022-09-07 | 2022-09-07 | Novel drop switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222367086.4U CN218385113U (en) | 2022-09-07 | 2022-09-07 | Novel drop switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218385113U true CN218385113U (en) | 2023-01-24 |
Family
ID=84971905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222367086.4U Active CN218385113U (en) | 2022-09-07 | 2022-09-07 | Novel drop switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218385113U (en) |
-
2022
- 2022-09-07 CN CN202222367086.4U patent/CN218385113U/en active Active
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