CN213277918U - Mould insulation board structure of three-station isolation cutter - Google Patents
Mould insulation board structure of three-station isolation cutter Download PDFInfo
- Publication number
- CN213277918U CN213277918U CN202022450442.XU CN202022450442U CN213277918U CN 213277918 U CN213277918 U CN 213277918U CN 202022450442 U CN202022450442 U CN 202022450442U CN 213277918 U CN213277918 U CN 213277918U
- Authority
- CN
- China
- Prior art keywords
- insulation board
- insulating plate
- plate
- die
- insulating
- 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.)
- Active
Links
Images
Landscapes
- Switch Cases, Indication, And Locking (AREA)
Abstract
The utility model discloses a mould insulation board structure of three-station isolation knife, the mould insulation board is an integrated structure, which comprises a first insulation board, a second insulation board and a third insulation board which are arranged on the same datum plane, the second insulation board is arranged between the first insulation board and the third insulation board, and the third insulation board is arranged upwards relative to the second insulation board; the back one end of first insulation board is provided with the ground connection touch socket, the other end at the first insulation board back is provided with the current conducting plate, the bottom that the third insulation board is close to second insulation board one end is provided with switch support bottom plate, the utility model discloses a mould insulation board is integrated into one piece structure, and the assembly is simplified, and is with low costs, and the steady quality realizes isolator's combined floodgate, ground connection, the separating brake operation, the effectual insulation and the life property that have improved the switch.
Description
Technical Field
The utility model relates to a circuit breaker switch technical field, specific mould insulation board structure of three station isolation knives that says so.
Background
Circuit breaker cabinets are widely used in secondary distribution systems of 40.5KV and below. Controlling, opening, closing and isolating the transformer and a distribution loop thereof; and short-circuit current and overload current in a medium-voltage side of the medium-voltage transformer, the transformer and a low-voltage distribution loop are protected. The existing circuit breaker cabinet usually adopts the structure of a circuit breaker and a three-position isolating switch, and the three-position isolating switch mainly plays the roles of conducting a main circuit, an isolating band body and closing grounding short-circuit current.
The pull rod of the isolating switch in the original design adopts two epoxy glass cloth plates which are connected in parallel for use, the epoxy glass cloth plates are coated with varnish for treatment, a knife plate is clamped between the two plates, the problem of alignment is involved, assembly errors can cause poor alignment, and the closing performance of the isolating knife is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a solve above-mentioned problem, provide a mould insulation board structure of sword is kept apart to three stations, the effectual insulation and the life property that improve the switch.
The utility model discloses a following technical scheme realizes:
a die insulation plate structure of a three-station isolation knife is of an integrally formed structure and comprises a first insulation plate, a second insulation plate and a third insulation plate which are arranged on the same datum plane, wherein the second insulation plate is positioned between the first insulation plate and the third insulation plate, and the third insulation plate is arranged upwards relative to the second insulation plate;
the switch support is characterized in that a grounding contact seat is arranged at one end of the back face of the first insulating plate, a conductive plate is arranged at the other end of the back face of the first insulating plate, and a switch support bottom plate is arranged at the bottom of the third insulating plate close to one end of the second insulating plate.
Furthermore, the die insulating plate is made of SMC material.
Furthermore, a plurality of longitudinal grooves are formed in the end faces of the first insulating plate and the second insulating plate.
Furthermore, a plurality of protruding transverse ribs are arranged on the end face of the third insulating plate.
Further, the die insulation plate is provided with mounting holes corresponding to the switch bracket bottom plate, the conductive plate and the grounding contact seat respectively.
The beneficial effects of the utility model reside in that:
(1) the utility model has the advantages that the die insulation board is of an integrated structure, the assembly is simplified, the cost is low, the quality is stable, and the switching-on, grounding and switching-off operations of the isolating switch are realized;
(2) the utility model has the advantages that the mould insulation board is made of SMC material, and is processed by adopting a forming mould, so that the performance is stable, and the structural strength is good;
(3) the utility model discloses a mould insulation board is provided with a plurality of vertical recesses and is provided with a plurality of protruding horizontal muscle on the terminal surface of third insulation board through being provided with a plurality of vertical recesses on the terminal surface of first insulation board and second insulation board, has increased creep distance design and insulating margin, improves electric and insulating properties.
Drawings
Fig. 1 is a schematic structural view of the three-position disconnecting switch of the present invention;
FIG. 2 is a schematic structural view of the mold insulating plate of the present invention;
reference numerals: 1. the mould insulating board, 101, first insulating plate, 102, second insulating board, 103, third insulating board, 2, switch support bottom plate, 3, current conducting plate, 4, ground connection touch seat, 5, vertical recess, 6, protruding horizontal muscle.
Detailed Description
The technical solution in the embodiment of the present invention is clearly and completely described below with reference to the accompanying drawings.
Example 1
As shown in the attached drawings, the die insulation plate 1 of the three-station isolation knife is of an integrally formed structure, so that the assembly is simplified, the cost is low, the quality is stable, the switching-on, grounding and switching-off operations of an isolation switch are realized, the die insulation plate 1 is made of SMC (sheet molding compound), and the three-station isolation knife is processed by adopting a forming die, so that the performance is stable, and the structural strength is good;
the insulating plate structure comprises a first insulating plate 101, a second insulating plate 102 and a third insulating plate 103 which are arranged on the same reference surface, wherein the second insulating plate 102 is positioned between the first insulating plate 101 and the third insulating plate 103, the second insulating plate 102 can be arranged obliquely upwards relative to the first insulating plate 101, the oblique direction of the second insulating plate is arranged towards the third insulating plate 103, the third insulating plate 103 can be arranged obliquely upwards relative to the second insulating plate 102, and the oblique direction of the third insulating plate is arranged towards the second insulating plate 102;
the utility model discloses a switch support of a switch, including first insulation board 101, third insulation board 103, mould insulation board 1, the back one end of first insulation board 101 is provided with ground contact seat 4, the other end at the back of first insulation board 101 is provided with current conducting plate 3, the bottom that third insulation board 103 is close to second insulation board 102 one end is provided with switch support bottom plate 2, correspond switch support bottom plate 2, current conducting plate 3, ground contact seat 4 respectively on the mould insulation board 1 and be provided with the mounting hole.
Further, be provided with a plurality of vertical recesses 5 on the terminal surface of first insulating board 101 and second insulating board 102, be provided with a plurality of protruding horizontal muscle 6 on the terminal surface of third insulating board 103, through be provided with a plurality of vertical recesses and be provided with a plurality of protruding horizontal muscle on the terminal surface of third insulating board on the terminal surface of first insulating board and second insulating board, increased creep distance design and insulating margin, improved electric and insulating properties.
Having shown and described the basic principles, essential features and advantages of the invention, it will be understood by those skilled in the art that the present invention is not limited by the foregoing embodiments, which are merely illustrative of the principles of the invention, but rather is susceptible to various changes and modifications without departing from the spirit and scope of the invention, as claimed herein.
Claims (5)
1. The utility model provides a mould insulation board structure of sword is kept apart to three stations which characterized in that: the die insulating plate (1) is of an integrally formed structure and comprises a first insulating plate (101), a second insulating plate (102) and a third insulating plate (103) which are arranged on the same reference surface, wherein the second insulating plate (102) is positioned between the first insulating plate (101) and the third insulating plate (103), and the third insulating plate (103) is arranged upwards relative to the second insulating plate (102);
the switch support is characterized in that a grounding contact seat (4) is arranged at one end of the back face of the first insulating plate (101), a conductive plate (3) is arranged at the other end of the back face of the first insulating plate (101), and a switch support bottom plate (2) is arranged at the bottom of one end, close to the second insulating plate (102), of the third insulating plate (103).
2. The die insulation board structure of the three-station isolation knife according to claim 1, characterized in that: the die insulating plate (1) is made of SMC materials.
3. The die insulation board structure of the three-station isolation knife according to claim 1, characterized in that: the end faces of the first insulating plate (101) and the second insulating plate (102) are provided with a plurality of longitudinal grooves (5).
4. The die insulation board structure of the three-station isolation knife according to claim 1, characterized in that: the end face of the third insulating plate (103) is provided with a plurality of protruding transverse ribs (6).
5. The die insulation board structure of the three-station isolation knife according to claim 1, characterized in that: and mounting holes are formed in the die insulating plate (1) and correspond to the switch bracket bottom plate (2), the conductive plate (3) and the grounding contact seat (4) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022450442.XU CN213277918U (en) | 2020-10-29 | 2020-10-29 | Mould insulation board structure of three-station isolation cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022450442.XU CN213277918U (en) | 2020-10-29 | 2020-10-29 | Mould insulation board structure of three-station isolation cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213277918U true CN213277918U (en) | 2021-05-25 |
Family
ID=75952178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022450442.XU Active CN213277918U (en) | 2020-10-29 | 2020-10-29 | Mould insulation board structure of three-station isolation cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213277918U (en) |
-
2020
- 2020-10-29 CN CN202022450442.XU patent/CN213277918U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111478220A (en) | Environment-friendly gas insulated switch and using method thereof | |
| CN213277918U (en) | Mould insulation board structure of three-station isolation cutter | |
| CN205984672U (en) | Be applicable to high -tension apparatus high current switch contact | |
| CN214378206U (en) | Vacuum arc-extinguishing chamber of circuit breaker | |
| CN210091970U (en) | Miniaturized isolator mechanism | |
| CN204834325U (en) | It is single -phase indoor from taking fuse voltage transformer | |
| CN212648123U (en) | Circuit breaker for all-insulated and all-sealed looped network metal switch equipment | |
| CN211908176U (en) | Environment-friendly gas insulated switch | |
| CN209487783U (en) | The fast inserting structure of modeling frame for high current | |
| CN209388972U (en) | A kind of low-voltage circuit breaker terminal insulative structure-improved | |
| CN210272173U (en) | Vacuum arc extinguish chamber assembly | |
| CN215911358U (en) | 35kV aerifys solid utmost point post that seals that cabinet circuit breaker used | |
| CN207381715U (en) | A kind of contact box for high-voltage switchgear | |
| CN203242919U (en) | Main transformer plug-in type switch for transformer substation | |
| CN220291508U (en) | Contact box insulator | |
| CN219979434U (en) | Circuit breaker solid-sealed polar pole with isolating switch fixed contact | |
| CN201781219U (en) | Bus coupler cabinet | |
| CN221040940U (en) | Isolator insulator | |
| CN220290694U (en) | Three-station vacuum circuit breaker | |
| CN218275783U (en) | Drawer type circuit breaker's isolation structure relatively | |
| CN217061987U (en) | Contact structure | |
| CN103199441B (en) | For the main transformer plug-in type switch of transformer station | |
| CN212848247U (en) | High-stability safety miniature circuit breaker | |
| CN221176937U (en) | Mounting base plate for disconnector or circuit breaker | |
| CN218414381U (en) | Isolating switch for transformer substation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |