CN212570834U - Load type high-voltage isolating switch - Google Patents
Load type high-voltage isolating switch Download PDFInfo
- Publication number
- CN212570834U CN212570834U CN202021309195.5U CN202021309195U CN212570834U CN 212570834 U CN212570834 U CN 212570834U CN 202021309195 U CN202021309195 U CN 202021309195U CN 212570834 U CN212570834 U CN 212570834U
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- CN
- China
- Prior art keywords
- insulating pillar
- contact plate
- isolating switch
- guide rod
- insulating
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- 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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- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
Load type high-voltage isolating switch. The high-voltage isolating switch mainly solves the problems that the existing high-voltage isolating switch is not provided with an arc extinguishing structure during breaking and is unsafe to use. The method is characterized in that: rotatable setting is in on the second insulating pillar the base, be equipped with movable contact plate (31) on the second insulating pillar, be equipped with first connecting rod (41) on the third insulating pillar, be connected with second connecting rod (42) on the first connecting rod, the second connecting rod with the second insulating pillar is connected, still be equipped with wire (43) on the third insulating pillar, the wire with the movable contact plate is connected, be equipped with first arc guide rod (23) on the first insulating pillar, be equipped with second arc guide rod (22) on the second insulating pillar, the second arc guide rod with first arc guide rod corresponds the setting and is used for electric arc. The utility model provides a load formula high voltage isolator leads the arc pole through first arc pole and second and lengthens the electric arc and extinguish, and the result of use is better.
Description
Technical Field
The utility model relates to an isolator field, concretely relates to load formula high voltage isolator.
Background
The high-voltage isolating switch is an important switching device in electric systems of power plants and transformer substations, needs to be matched with a high-voltage circuit breaker for use, and has the main functions of: the high-voltage isolating switch ensures the safety of the high-voltage electrical appliance and the device during maintenance work and plays a role in isolating voltage; the voltage class is divided into an indoor type and an outdoor type according to different installation places, and is divided into a single column type, a double column type and a three column type according to the number of the insulating support columns, and each voltage class is provided with optional equipment. The high-voltage distribution device can also reliably isolate the part needing power failure from the electrified part so as to ensure the safety of maintenance work.
The existing high-voltage isolating switch has no arc extinguishing structure when in breaking, and is not safe to use.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of background art, the utility model provides a load formula high voltage isolator has mainly solved present high voltage isolator and has not had the structure of arc extinguishing when dividing absolutely, uses and unsafe problem.
The utility model adopts the technical proposal that:
load formula high voltage isolator, the on-line screen storage device comprises a base, be equipped with first insulating pillar, second insulating pillar and third insulating pillar on the base, be equipped with stationary contact on the first insulating pillar, rotatable setting is in on the second insulating pillar on the base, be equipped with the movable contact plate on the second insulating pillar, be equipped with first connecting rod on the third insulating pillar, be connected with the second connecting rod on the first connecting rod, the second connecting rod with the second insulating pillar is connected, still be equipped with the wire on the third insulating pillar, the wire with the movable contact plate is connected, be equipped with first arc guide rod on the first insulating pillar, be equipped with the second on the second insulating pillar and lead the arc rod, the second lead the arc rod with first arc guide rod corresponds the setting and is used for lengthening electric arc.
The second arc guide rod is provided with an avoidance groove, and the first arc guide rod penetrates through the avoidance groove.
The static contact plate comprises a first contact plate and a second contact plate, a connecting piece is arranged between the first contact plate and the second contact plate, through holes are formed in the first contact plate and the second contact plate, a containing groove is formed in the connecting piece, two ejector rods are arranged in the containing groove, an elastic piece is arranged between the ejector rods, the outer ends of the ejector rods extend out of the connecting piece, and the connecting piece is in clearance fit with the inner wall in the circumferential direction of the through holes.
The elastic member is a spring.
The diameter of the connecting piece is larger than that of the through hole.
The bottom of the ejector rod is provided with a circular truncated cone, two ends of the connecting piece are provided with outlets, and the diameter of the circular truncated cone is larger than that of the outlets.
A plurality of insulating umbrella skirts are arranged on the outer wall of the first insulating support.
The utility model has the advantages that: the utility model provides a load formula high voltage isolator leads the arc pole through first arc pole and second and lengthens the electric arc and extinguish, and the result of use is better.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic partial structure diagram of an embodiment of the present invention.
Fig. 3 is a partial cross-sectional view of an embodiment of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings: as shown in the figure, the load type high-voltage isolating switch comprises a base 1, wherein a first insulating support 2, a second insulating support 3 and a third insulating support 4 are arranged on the base 1, a static contact plate 21 is arranged on the first insulating support, the second insulating support is rotatably arranged on the base, a movable contact plate 31 is arranged on the second insulating support, a first connecting rod 41 is arranged on the third insulating support, a second connecting rod 42 is connected onto the first connecting rod, the second connecting rod is connected with the second insulating support, a conducting wire 43 is further arranged on the third insulating support, the conducting wire is connected with the movable contact plate, a first arc guide rod 23 is arranged on the first insulating support, a second arc guide rod 22 is arranged on the second insulating support, and the second arc guide rod corresponds to the first arc guide rod and is used for lengthening an electric arc. When the arc is broken, the arc extends along the first arc guide rod and the second arc guide rod to elongate the arc to be extinguished.
In this embodiment, as shown in the figure, an avoiding groove 221 is formed on the second arc guiding rod, and the first arc guiding rod passes through the avoiding groove.
In this embodiment, as shown in the figure, the stationary contact plate includes first touch panel 311 and second touch panel 312, be equipped with connecting piece 5 between first touch panel and the second touch panel, all be equipped with through-hole 313 on first touch panel and the second touch panel, be equipped with holding tank 55 in the connecting piece, be equipped with two ejector pins 51, two in the holding tank be equipped with elastic component 52 between the ejector pin, two the ejector pin outer end is stretched out the connecting piece respectively with two through-hole circumference inner wall clearance fit. The movable contact plate is contacted with the connecting piece, the connecting piece can be detached by pushing the ejector rod, and the connecting piece is convenient to detach and replace.
In this embodiment, the resilient member is a spring, as shown.
In this embodiment, as shown, the diameter of the connector is larger than the diameter of the through hole.
In this embodiment, as shown in the figure, a circular truncated cone 511 is arranged at the bottom of the ejector rod, outlets 56 are arranged at two ends of the connecting piece, and the diameter of the circular truncated cone is larger than that of the outlet.
In this embodiment, as shown, the outer wall of the first insulating pillar is provided with a plurality of insulating sheds 215.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The embodiments described with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention. The examples should not be construed as limiting the present invention, but any modifications made based on the spirit of the present invention should be within the scope of the present invention.
Claims (7)
1. Load formula high voltage isolator, including base (1), be equipped with first insulating pillar (2), second insulating pillar (3) and third insulating pillar (4) on base (1), be equipped with on the first insulating pillar and quiet touch panel (21), its characterized in that: rotatable setting is in on the second insulating pillar the base, be equipped with movable contact plate (31) on the second insulating pillar, be equipped with first connecting rod (41) on the third insulating pillar, be connected with second connecting rod (42) on the first connecting rod, the second connecting rod with the second insulating pillar is connected, still be equipped with wire (43) on the third insulating pillar, the wire with the movable contact plate is connected, be equipped with first arc guide rod (23) on the first insulating pillar, be equipped with second arc guide rod (22) on the second insulating pillar, the second arc guide rod with first arc guide rod corresponds the setting and is used for electric arc.
2. The load type high-voltage isolating switch according to claim 1, wherein: an avoidance groove (221) is formed in the second arc guide rod, and the first arc guide rod penetrates through the avoidance groove.
3. The load type high-voltage isolating switch according to claim 2, wherein: the static contact plate comprises a first contact plate (311) and a second contact plate (312), a connecting piece (5) is arranged between the first contact plate and the second contact plate, through holes (313) are formed in the first contact plate and the second contact plate, a containing groove (55) is formed in the connecting piece, two ejector rods (51) are arranged in the containing groove, elastic pieces (52) are arranged between the ejector rods, the outer ends of the ejector rods extend out of the connecting piece, and the connecting piece is in clearance fit with the circumferential inner walls of the through holes.
4. The load type high-voltage isolating switch according to claim 3, wherein: the elastic member is a spring.
5. The load type high-voltage isolating switch according to claim 4, wherein: the diameter of the connecting piece is larger than that of the through hole.
6. The load type high-voltage isolating switch according to claim 5, wherein: the bottom of the ejector rod is provided with a circular truncated cone (511), two ends of the connecting piece are provided with outlets (56), and the diameter of the circular truncated cone is larger than that of the outlets.
7. The load type high-voltage isolating switch according to claim 6, wherein: the outer wall of the first insulating support column is provided with a plurality of insulating umbrella skirts (215).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021309195.5U CN212570834U (en) | 2020-07-07 | 2020-07-07 | Load type high-voltage isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021309195.5U CN212570834U (en) | 2020-07-07 | 2020-07-07 | Load type high-voltage isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212570834U true CN212570834U (en) | 2021-02-19 |
Family
ID=74620365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021309195.5U Expired - Fee Related CN212570834U (en) | 2020-07-07 | 2020-07-07 | Load type high-voltage isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212570834U (en) |
-
2020
- 2020-07-07 CN CN202021309195.5U patent/CN212570834U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210219 Termination date: 20210707 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |