CN220821388U - High-reliability isolating switch - Google Patents
High-reliability isolating switch Download PDFInfo
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- CN220821388U CN220821388U CN202322333122.XU CN202322333122U CN220821388U CN 220821388 U CN220821388 U CN 220821388U CN 202322333122 U CN202322333122 U CN 202322333122U CN 220821388 U CN220821388 U CN 220821388U
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- fixedly connected
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- 239000000919 ceramic Substances 0.000 claims abstract description 10
- 238000005192 partition Methods 0.000 claims description 12
- 230000001681 protective effect Effects 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 230000015556 catabolic process Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Abstract
The utility model relates to the technical field of isolating switches, in particular to a high-reliability isolating switch, which comprises a base, wherein two groups of connecting components are symmetrically and slidingly connected in the base, the lower ends of the two groups of connecting components are fixedly connected with shaft seats, rotating arms are rotationally connected on the shaft seats, the end parts of the two groups of rotating arms are rotationally connected through rotating shafts, the connecting components comprise a moving plate, the moving plate is slidingly connected in the base, the upper end of the moving plate is fixedly connected with a fixed seat, the upper end of the fixed seat is fixedly connected with a ceramic support column, the upper end of the ceramic support column is fixedly connected with a connecting seat, and the upper end of the connecting seat is fixedly connected with a connector; through upwards pushing the pivot, make the rotor arm promote two sets of movable plates and keep away from each other to make two sets of contacts come, isolator begins to switch off, can promote the baffle that the insulating property is good when the pivot upwards promotes and rise, makes the baffle insert between two sets of contacts when switching off, makes two sets of contacts separate, produces the arc breakdown phenomenon between two sets of contacts when avoiding switching off, and the reliability is high.
Description
Technical Field
The utility model relates to the field of isolating switches, in particular to a high-reliability isolating switch.
Background
The isolating switch is a switching device which is mainly used for isolating a power supply, switching operation and switching on and off a small-current circuit, and is mainly communicated with the state through a switching-on or switching-off control circuit.
An existing isolating switch is a vertical opening isolating switch, for example, the isolating switch is proposed in the patent application number of CN202122894922.X, and the lifting of the ejector rod is controlled to open and close through a lifting mechanism, the ejector rod and other structures, so that an electric arc is easy to generate in the isolating switch when the isolating switch is opened, and the reliability is poor.
In the prior art, for example, a vertical opening type isolating switch is proposed in the patent application No. cn202122894922.X, when the switch is opened, two contacts for communicating with a circuit start to open, an arc breakdown phenomenon is generated in the process of opening the switch, and the contacts or personnel are easily damaged, so that a high-reliability isolating switch is proposed.
Disclosure of utility model
The present utility model is directed to a high reliability isolating switch to solve the above-mentioned problems.
The aim of the utility model can be achieved by the following technical scheme:
The high-reliability isolating switch comprises a base, wherein two groups of connecting assemblies are symmetrically and slidingly connected in the base, the lower ends of the two groups of connecting assemblies are fixedly connected with shaft bases, rotating arms are rotationally connected to the shaft bases, and the end parts of the two groups of rotating arms are rotationally connected through rotating shafts;
The connecting assembly comprises a moving plate, the moving plate is slidably connected in the base, a fixing seat is fixedly connected to the upper end of the moving plate, a ceramic support is fixedly connected to the upper end of the fixing seat, a connecting seat is fixedly connected to the upper end of the ceramic support, a connector is fixedly connected to the upper end of the connecting seat, a conducting rod is fixedly connected to the side wall of the connecting seat, contacts are fixedly connected to the end parts of the conducting rod, the contacts of the two groups of connecting assemblies are matched, a limiting seat is fixedly connected to the middle part of the base, a partition plate is slidably connected to the limiting seat, and the lower end of the partition plate is fixedly connected to the upper end of the rotating shaft.
Preferably, the base and the two sets of rotating arms are arranged in a triangular structure.
Preferably, a chute is formed in the base, and the moving plate is slidably connected in the chute.
Preferably, the two opposite side walls of the moving plate are respectively connected with a plurality of groups of rollers in a rotating mode, and the plurality of groups of rollers are respectively rolled on the side wall inside the sliding groove.
Preferably, the upper end of the base is fixedly connected with a support, the upper end of the support is fixedly connected with a protective cover, and the protective cover is positioned above the connecting head.
Preferably, both ends of the base are fixedly connected with mounting seats, and a plurality of groups of mounting holes are formed in the mounting seats.
The utility model has the beneficial effects that:
According to the utility model, the rotating shaft is pushed upwards, so that the rotating arm pushes the two groups of moving plates to be away from each other, the two groups of contacts are separated, the isolating switch starts to open, the isolating plate with good insulation is pushed to rise while the rotating shaft is pushed upwards, the isolating plate is inserted between the two groups of contacts while opening, the two groups of contacts are separated, and the arc breakdown phenomenon generated between the two groups of contacts during opening is avoided, so that the reliability is high.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained according to these drawings without inventive effort;
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is a schematic view of the internal structure of the present utility model;
FIG. 4 is a schematic view of a connection assembly of the present utility model;
Reference numerals in the drawings are as follows:
1. A base; 2. a chute; 3. a moving plate; 4. a roller; 5. a shaft seat; 6. a fixing seat; 7. a ceramic pillar; 8. a mounting base; 9. a connecting seat; 10. a connector; 11. a conductive rod; 12. a contact; 13. a rotating arm; 14. a rotating shaft; 15. a limit seat; 16. a partition plate; 17. a bracket; 18. and a protective cover.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The high-reliability isolating switch comprises a base 1, wherein two groups of connecting components are symmetrically and slidingly connected in the base 1, the lower ends of the two groups of connecting components are fixedly connected with a shaft seat 5, the shaft seat 5 is rotatably connected with a rotating arm 13, and the end parts of the two groups of rotating arms 13 are rotatably connected through a rotating shaft 14;
The connecting component comprises a moving plate 3, the moving plate 3 is slidably connected in a base 1, a fixing seat 6 is fixedly connected to the upper end of the moving plate 3, a ceramic support column 7 is fixedly connected to the upper end of the fixing seat 6, a connecting seat 9 is fixedly connected to the upper end of the ceramic support column 7, a connector 10 is fixedly connected to the upper end of the connecting seat 9, a conductive rod 11 is fixedly connected to the side wall of the connecting seat 9, a contact 12 is fixedly connected to the end of the conductive rod 11, contacts 12 of two groups of connecting components are matched, a limit seat 15 is fixedly connected to the middle part of the base 1, a partition 16 is slidably connected to the limit seat 15, and the lower end of the partition 16 is fixedly connected to the upper end of a rotating shaft 14.
In the prior art, for example, in the vertical opening type isolating switch proposed in the patent application No. cn202122894922.X ", when the isolating switch is opened, the two contacts 12 for connecting the circuit start to open, an arc breakdown phenomenon is generated in the process of opening the switch, and the damage to the contacts 12 or personnel is easy to occur, as shown in fig. 1-4, the isolating switch is closed by pulling the rotating shaft 14, so that the rotating shaft 14 pulls the two sets of rotating arms 13 to rotate, the partition 16 descends, the two sets of moving plates 3 approach each other, the moving plates 3 approach each other through the fixing seat 6, the ceramic support 7 and the connecting seat 9 with the two sets of conducting rods 11 until the two sets of contacts 12 contact, at this time, a circuit connected to the two sets of connectors 10 is electrified, when the isolating switch is opened, the rotating shaft 14 is pushed upwards, the rotating arms 13 push the two sets of moving plates 3 away from each other, thereby the two sets of contacts 12 start to open, the partition 16 ascend while the rotating shaft 14 is pushed upwards, the limiting seat 15 limits the ascending and descending track of the partition 16, and the partition 16 has good insulativity, so that the partition 16 inserts the two sets of contacts 12 between the contacts 12 when the two sets of contacts are opened, and the two sets of contacts 12 are separated, and the arc breakdown phenomenon is avoided.
The base 1 and the two sets of rotating arms 13 are arranged in a triangular structure.
As shown in fig. 1, the triangle structure is stable and is an isosceles triangle structure, and when the rotating shaft 14 pulls the two sets of rotating arms 13, the two sets of connecting components move synchronously.
A sliding groove 2 is formed in the base 1, and a moving plate 3 is slidably connected in the sliding groove 2.
As shown in fig. 2, the moving plate 3 moves along the chute 2.
The two opposite side walls of the moving plate 3 are respectively connected with a plurality of groups of rollers 4 in a rotating mode, and the plurality of groups of rollers 4 are respectively rolled on the side wall inside the sliding groove 2.
As shown in fig. 2, the roller 4 reduces the sliding friction between the moving plate 3 and the chute 2, so that the moving plate 3 is convenient to pull.
The upper end of the base 1 is fixedly connected with a support 17, the upper end of the support 17 is fixedly connected with a protective cover 18, and the protective cover 18 is positioned above the connector 10.
As shown in fig. 1, the shield 18 reduces rain and the like from corroding the contacts 12 and the conductive rods 11.
The base 1 both ends rigid coupling has mount pad 8, has seted up multiunit mounting hole on the mount pad 8.
As shown in fig. 1, the mounting blocks 8 and mounting holes facilitate mounting the disconnector in place.
The working principle of the high-reliability isolating switch provided by the utility model is as follows:
When the switch is opened, the rotating shaft 14 is pushed upwards, the rotating arm 13 pushes the two groups of moving plates 3 to be away from each other, so that the two groups of contacts 12 are separated, the isolating switch starts to open, the baffle 16 is pushed to rise while the rotating shaft 14 is pushed upwards, the limiting seat 15 limits the lifting track of the baffle 16, the baffle 16 has good insulativity, the baffle 16 is inserted between the two groups of contacts 12 while the switch is opened, the two groups of contacts 12 are separated, the arc breakdown phenomenon between the two groups of contacts 12 during the switch opening is avoided, and the reliability is high.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (6)
1. The high-reliability isolating switch comprises a base (1) and is characterized in that two groups of connecting components are symmetrically and slidingly connected in the base (1), the lower ends of the two groups of connecting components are fixedly connected with a shaft seat (5), rotating arms (13) are rotationally connected to the shaft seat (5), and the end parts of the two groups of rotating arms (13) are rotationally connected through a rotating shaft (14);
The connecting assembly comprises a moving plate (3), the moving plate (3) is slidably connected in a base (1), a fixing seat (6) is fixedly connected to the upper end of the moving plate (3), a ceramic support column (7) is fixedly connected to the upper end of the fixing seat (6), a connecting seat (9) is fixedly connected to the upper end of the ceramic support column (7), a connector (10) is fixedly connected to the upper end of the connecting seat (9), a conductive rod (11) is fixedly connected to the side wall of the connecting seat (9), a contact (12) is fixedly connected to the end portion of the conductive rod (11), the contacts (12) of the two groups of connecting assemblies are matched, a limiting seat (15) is fixedly connected to the middle portion of the base (1), a partition plate (16) is slidably connected to the limiting seat (15), and the lower end of the partition plate (16) is fixedly connected to the upper end of a rotating shaft (14).
2. A high reliability disconnector according to claim 1, characterized in that the base (1) and the two sets of swivel arms (13) are arranged in a delta configuration.
3. The high-reliability isolating switch according to claim 2, wherein the base (1) is provided with a chute (2), and the movable plate (3) is slidably connected in the chute (2).
4. A high reliability disconnecting switch according to claim 3, wherein the two opposite side walls of the moving plate (3) are rotatably connected with a plurality of groups of rollers (4), and the plurality of groups of rollers (4) roll on the inner side wall of the chute (2).
5. The high-reliability disconnecting switch according to claim 4, wherein the upper end of the base (1) is fixedly connected with a bracket (17), the upper end of the bracket (17) is fixedly connected with a protective cover (18), and the protective cover (18) is positioned above the connecting head (10).
6. The high-reliability isolating switch of claim 5, wherein the two ends of the base (1) are fixedly connected with mounting seats (8), and a plurality of groups of mounting holes are formed in the mounting seats (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322333122.XU CN220821388U (en) | 2023-08-29 | 2023-08-29 | High-reliability isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322333122.XU CN220821388U (en) | 2023-08-29 | 2023-08-29 | High-reliability isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220821388U true CN220821388U (en) | 2024-04-19 |
Family
ID=90698293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322333122.XU Active CN220821388U (en) | 2023-08-29 | 2023-08-29 | High-reliability isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220821388U (en) |
-
2023
- 2023-08-29 CN CN202322333122.XU patent/CN220821388U/en active Active
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