CN209843593U - Double-limit isolating switch - Google Patents
Double-limit isolating switch Download PDFInfo
- Publication number
- CN209843593U CN209843593U CN201921176535.9U CN201921176535U CN209843593U CN 209843593 U CN209843593 U CN 209843593U CN 201921176535 U CN201921176535 U CN 201921176535U CN 209843593 U CN209843593 U CN 209843593U
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- plate
- movable contact
- contact
- movable
- fixed
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Abstract
The utility model relates to the technical field of electric appliances, the name is a double-limit isolating switch, which comprises a bottom plate, wherein the bottom plate is provided with an upper supporting column and a lower supporting column, a static touch plate is provided with a limit fastener, the limit fastener is bilaterally symmetrical and has a structure with a 7-shaped side surface, the front surface of the limit fastener is provided with a convex part, and the convex parts on the left side and the right side of the limit fastener are connected together to form a whole; the movable contact plate or the fixed plate is provided with a pulling round hole which is a part for exerting force when the fixed plate is operated, the fixed plate is provided with an upper clamping groove, and when the fixed contact is contacted with the movable contact, the upper edge of the protruding part is propped against the bottom plate of the upper clamping groove. The isolating switch has the advantages of accurate contact between the movable contact and the fixed contact and capability of ensuring the use performance.
Description
Technical Field
The utility model belongs to the technical field of the electrical apparatus technique and specifically relates to relate to high voltage isolator.
Background
The high-voltage isolating switch comprises a bottom plate, an upper supporting column and a lower supporting column are arranged on the bottom plate, the upper supporting column and the lower supporting column are respectively an upper supporting column and a lower supporting column, a static contact plate is arranged on the upper supporting column, a static contact is arranged on the static contact plate, a movable contact plate is hinged to the lower supporting column, a movable contact point which is in contact with the static contact plate is arranged on the movable contact plate, the movable contact plate can be connected with or disconnected from the static contact plate along the operation of the hinged part, the movable contact point is in electrical contact with the static contact when the movable contact plate is connected with the static contact plate, a pull nose is further arranged on the movable contact plate, and the pull nose is arranged to operate the movable contact plate conveniently, for example, the pull nose is hung by a pull rod.
The accurate contact position of the movable contact and the fixed contact is a condition for ensuring the good contact of the isolating switch, and the accurate contact position of the movable contact and the fixed contact is ensured; in the prior art, set up the jackscrew on the upper support post, prevent that the movable contact plate from surpassing the operation of contact position, such structure has spacing unsafe shortcoming, has influenced isolator's result of use.
Disclosure of Invention
The purpose of the utility model is to provide an isolating switch, a double-limit isolating switch, which can accurately contact the moving contact and the static contact and ensure the service performance.
The utility model adopts the technical proposal that: the utility model provides a double spacing isolator, includes the bottom plate, the bottom plate on install two upper and lower support columns, these two support columns are upper strut and bottom suspension mast respectively, install the stationary contact board on the upper strut, the stationary contact board has the stationary contact, the bottom strut on still have through first hinge articulated movable contact plate, movable contact plate on have the movable contact of contact stationary contact board, movable contact plate can accomplish the switch-on or the disconnection of movable contact board and stationary contact board along the operation of first hinge, movable contact and stationary contact electric contact when movable contact board and stationary contact board switch-on, movable contact plate on still have the lug, set up the lug and be for the ease of operation movable contact plate: the method is characterized in that: the fixed contact plate is provided with limiting clamping pieces which are bilaterally symmetrical and have 7-shaped side surfaces, the front of each limiting clamping piece is provided with a convex part, and the convex parts on the left side and the right side of each limiting clamping piece are connected into a whole;
the movable contact plate or the fixed plate is provided with a pulling round hole which is a part for exerting force when the fixed plate is operated, the fixed plate is provided with an upper clamping groove, and when the fixed contact is contacted with the movable contact, the upper edge of the protruding part is propped against the bottom of the upper clamping groove.
Furthermore, the fixed plate is hinged with a movable plate through a second hinge shaft, a hook is arranged on the movable plate, a spring is arranged between the movable plate and the rear surface of the fixed plate, an arc-shaped edge is arranged in front of the hook, when the movable contact plate is closed, the arc-shaped edge pushes against the protruding part to tilt the movable plate, and the protruding part enters the upper clamping groove; when the protruding part enters the upper clamping groove, the hook is hung in front of the protruding part, and the space formed by the upper clamping groove and the hook covers the front and the back of the protruding part; the edge below the movable plate is arranged in the pulling round hole, namely the periphery of the pulling round hole does not influence the outward pulling of the movable plate, and the movable plate is pulled, so that the hook is separated from the protruding part.
The utility model has the advantages that: the isolating switch has the advantages of accurate contact between the movable contact and the fixed contact and capability of ensuring the use performance.
Drawings
Fig. 1 is a schematic side view of the present invention.
Fig. 2 is an enlarged view of a portion a in fig. 1 (no hook is mounted).
Fig. 3 is an enlarged view of a portion a in fig. 1 (mounting hook).
Fig. 4 is a schematic structural view of a portion of fig. 3.
Wherein: 1. the device comprises a bottom plate 2, an upper support column 3, a lower support column 4, a fixed contact plate 5, a movable contact plate 6, a first hinge part 7, a pull nose 8, a limiting clamping piece 9, a protruding part 10, a fixed plate 11, a pull round hole 12, an upper clamping groove 13, a movable plate 14, a hook 15, an arc-shaped edge 16, a second hinge shaft 17 and a spring.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1, 2, 3, and 4, a double-limit isolating switch includes a bottom plate 1, an upper supporting column and a lower supporting column are installed on the bottom plate, the two supporting columns are an upper supporting column 2 and a lower supporting column 3, a stationary contact plate 4 is installed on the upper supporting column, a stationary contact is provided on the stationary contact plate, a movable contact plate 5 hinged to the lower supporting column through a first hinge shaft 6 is further provided on the movable contact plate, the movable contact plate is provided with a movable contact contacting the stationary contact plate, the movable contact plate can complete the connection or disconnection of the movable contact plate and the stationary contact plate along the first hinge shaft, the movable contact plate and the stationary contact plate are in electrical contact when connected, the movable contact plate is further provided with a pull tab 7, and the pull tab is provided for operating the movable contact plate: the method is characterized in that: the fixed contact plate is provided with a limiting clamping piece 8 which is symmetrical left and right and has a 7-shaped side surface, the front of the limiting clamping piece is provided with a convex part 9, and the convex parts on the left side and the right side of the limiting clamping piece are connected together to form a whole;
the draw nose on the movable contact plate comprises a fixed plate 10, the movable contact plate or the fixed plate is provided with a drawing round hole 11, the drawing round hole is a part for exerting force when the fixed plate is operated, the fixed plate is provided with an upper clamping groove 12, and when the fixed contact contacts with the movable contact, the upper edge of the protruding part is propped against the bottom of the upper clamping groove.
The utility model discloses owing to set up last draw-in groove on spacing fastener and the fixed plate, when stationary contact and the movable contact, the last draw-in groove bottom plate is being pushed against above the bulge, can be in order to realize when movable contact board and stationary contact board contact, movable contact board can not too much move right, and movable contact can not exceed the right side of just contacting location, crosses the position of contact promptly, reaches the sound effect of stationary contact and movable contact.
Furthermore, the fixed plate is hinged with a movable plate 13 through a second hinge shaft 16, a hook 14 is arranged on the movable plate, a spring 17 is arranged between the movable plate and the rear surface of the fixed plate, an arc-shaped edge 15 is arranged in front of the hook, when the movable contact plate is closed, the arc-shaped edge pushes against the protruding part to tilt the movable plate, and the protruding part enters the upper clamping groove; when the protruding part enters the upper clamping groove, the hook is hung in front of the protruding part, and the space formed by the upper clamping groove and the hook covers the front and the back of the protruding part; the edge below the movable plate is arranged in the pulling round hole, namely the periphery of the pulling round hole does not influence the outward pulling of the movable plate, and the movable plate is pulled, so that the hook is separated from the protruding part.
The arrangement can prevent the contact plate from falling off when the movable contact is not in contact with the fixed contact when the fixed contact is in contact with the movable contact.
The above description is only for the specific embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.
Claims (2)
1. The utility model provides a double spacing isolator, includes the bottom plate, the bottom plate on install two upper and lower support columns, these two support columns are upper strut and bottom suspension mast respectively, install the stationary contact board on the upper strut, the stationary contact board has the stationary contact, the bottom strut on still have through first hinge articulated movable contact plate, movable contact plate on have the movable contact of contact stationary contact board, movable contact plate can accomplish the switch-on or the disconnection of movable contact board and stationary contact board along the operation of first hinge, movable contact and stationary contact electric contact when movable contact board and stationary contact board switch-on, movable contact plate on still have the lug, set up the lug and be for the ease of operation movable contact plate: the method is characterized in that: the fixed contact plate is provided with limiting clamping pieces which are bilaterally symmetrical and have 7-shaped side surfaces, the front of each limiting clamping piece is provided with a convex part, and the convex parts on the left side and the right side of each limiting clamping piece are connected into a whole; the movable contact plate or the fixed plate is provided with a pulling round hole which is a part for exerting force when the fixed plate is operated, the fixed plate is provided with an upper clamping groove, and when the fixed contact is contacted with the movable contact, the upper edge of the protruding part is propped against the bottom of the upper clamping groove.
2. A double-limit disconnector according to claim 1, characterized in that: the fixed plate on still articulate a fly leaf through the second hinge, the fly leaf above have the couple, fly leaf and fixed plate between at the back still install the spring, the couple in front have an arc limit, when the movable contact board is closed, the arc limit is pushing against the bulge and is making the fly leaf perk, the bulge enters into last draw-in groove, after the bulge entered into last draw-in groove, the couple is hanging the bulge in front, go up the space that draw-in groove and couple formed and is respectived the bulge in front and at the back, the fly leaf below limit in the pulling round hole, do not influence around the pulling round hole promptly and move the fly leaf outwards, the pulling fly leaf, the couple breaks away from the bulge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921176535.9U CN209843593U (en) | 2019-07-25 | 2019-07-25 | Double-limit isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921176535.9U CN209843593U (en) | 2019-07-25 | 2019-07-25 | Double-limit isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209843593U true CN209843593U (en) | 2019-12-24 |
Family
ID=68900108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921176535.9U Expired - Fee Related CN209843593U (en) | 2019-07-25 | 2019-07-25 | Double-limit isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209843593U (en) |
-
2019
- 2019-07-25 CN CN201921176535.9U patent/CN209843593U/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: 20191224 Termination date: 20210725 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |