CN207800386U - A kind of isolation ground connection static contact seat with sealing structure - Google Patents
A kind of isolation ground connection static contact seat with sealing structure Download PDFInfo
- Publication number
- CN207800386U CN207800386U CN201820125871.XU CN201820125871U CN207800386U CN 207800386 U CN207800386 U CN 207800386U CN 201820125871 U CN201820125871 U CN 201820125871U CN 207800386 U CN207800386 U CN 207800386U
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- China
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- static contact
- contact seat
- ground connection
- isolation
- isolation ground
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Abstract
A kind of isolation ground connection static contact seat with sealing structure, it is installed on an earthing bar including multiple isolation ground connection static contact seats, the isolation ground connection static contact seat is arranged with sealing ring in the lower section periphery of the earthing bar, to realize the isolation ground connection static contact seat and extraneous static seal, the central axial jack being equipped with for axis grafting of the isolation ground connection static contact seat, outside framework oil seal is housed in the jack, to realize the isolation ground connection static contact seat and extraneous dynamic sealing, the top of the isolation ground connection static contact seat is bolted with axle envelope end cap, the outside framework oil seal is limited in the isolation ground connection static contact seat by the axle envelope end cap.The utility model connects multiple isolation ground connection static contact seat by an earthing bar integral, easily positioning, it is easily installed, three-station isolating grounding switch primary circuit part and extraneous static seal and dynamic sealing are realized respectively by sealing ring and outside framework oil seal, dustproof and waterproof ensures switchgear safe operation.
Description
Technical field
The utility model is related to electric power system power distribution equipment technical fields, more particularly to a kind of isolation with sealing structure
It is grounded static contact seat.
Background technology
Indoor high-voltage isolating switch is commonly a kind of in electric system switched over to supply line and to being overhauled
The High-Voltage Electrical Appliances that the electrical equipments such as high voltage bus, breaker are isolated with high voltage supply circuit.Currently, in 12kV distribution systems
In, well known indoor high-voltage isolation and earthing switch are provided only with two stations more, that is, close a floodgate, two positions of separating brake, and keep apart
It closes and earthing switch is installed separately, also need to the complicated mechanical interlock mechanism of setting between the two, so that switchgear
Volume it is big, it is complicated.
With the upgrading of switchgear, the solid insulation switch cabinet of miniaturization becomes the development trend of switchgear,
Combined floodgate, separating brake and the function of being grounded three stations then may be implemented in three-station isolating grounding switch in solid insulation switch cabinet.
In operation, there are still certain hidden for the air insulated of existing solid insulation cabinet, earthing switch and isolation ground connection three-station
Suffer from, sealing switch cover or be unlimited or be bad sealing, once its insulating surface by pollutions such as foreign matter and moisture,
Electric leakage even short circuit accident will occur, jeopardize operational safety.The encapsulation process of current dustproof and waterproof mostly uses primary circuit
Encapsulation process is done together with operating mechanism, and because the link of processing is more, area is larger, therefore reliability is poor, and cost is higher.
Utility model content
In view of the problems of the existing technology, the utility model provides simple and reasonable one kind, moderate cost, Yi Ding
Position facilitates isolation ground connection static contact seat of the ground connection static contact seat of installation and dustproof and waterproof with sealing structure.
To achieve the goals above, the utility model adopts the following technical solution：
A kind of isolation ground connection static contact seat with sealing structure, including multiple isolation ground connection static contact seats are installed on a ground connection
On row, the isolation ground connection static contact seat is arranged with sealing ring in the lower section periphery of the earthing bar, to realize that the isolation is grounded
Static contact seat and extraneous static seal, the central axial jack being equipped with for axis grafting of the isolation ground connection static contact seat, the jack
It is interior that outside framework oil seal is housed, to realize the isolation ground connection static contact seat and extraneous dynamic sealing, the top of the isolation ground connection static contact seat
End is bolted with axle envelope end cap, and the outside framework oil seal is limited in the isolation ground connection static contact seat by the axle envelope end cap.
Further, there are three the isolation to be grounded static contact seat for the installation on the earthing bar side by side, realizes three-phase integrated.
Further, the earthing bar is equipped with through-hole, and the isolation ground connection static contact seat is installed on described across the through-hole
Earthing bar.
Further, the upper diameter of the isolation ground connection static contact seat is less than or equal to the diameter of the through-hole, the ground connection
The lower diameter of static contact seat is more than the diameter of the through-hole, then the top of the isolation ground connection static contact seat is located at across the through-hole
The top of the earthing bar, the lower part that ground connection static contact seat is isolated is by block in the lower section of the earthing bar.
Further, the isolation is grounded static contact seat convex at the earthing bar bottom surface and is equipped with step, the step gear
The bottom surface of the earthing bar is terminated in, the sealing ring is sleeved on the periphery of the step.
Further, it is equipped with groove around the jack of the isolation ground connection static contact seat, oil sealing support is installed in the groove
Positioning sleeve there are two the outside framework oil seal is set, is respectively arranged in the both sides up and down of the oil sealing support positioning sleeve.
Further, the top down of the axle envelope end cap pushes down the outside framework oil seal, and the lateral margin of the axle envelope end cap is downward
Extend, is bolted in the periphery of the isolation ground connection static contact seat.
Further, the sealing ring is O-shaped.
The beneficial effects of the utility model：
Multiple isolation are grounded static contact seat and connect integral, easily positioning, convenient for peace by an earthing bar by the utility model
Dress is arranged sealing ring in isolation ground connection static contact seat periphery and makees static seal, at low cost, makees dynamic sealing in the built-in outside framework oil seal of jack,
Requirement, and moderate cost can be met.Realize that three-station isolating grounding switch is primary respectively by sealing ring and outside framework oil seal
Loop feature and extraneous static seal and dynamic sealing, dustproof and waterproof ensure switchgear safe operation.
Description of the drawings
Fig. 1 is the sectional view of isolation ground connection static contact seat of the utility model with sealing structure；
Fig. 2 is the upward view of Fig. 1；
In figure, 1-earthing bar, 2-isolation ground connection static contact seats, 3-sealing rings, 4-jacks, 5-outside framework oil seals, 6-axis
Block lid, 7-through-holes, 8-steps, 9-grooves, 10-oil sealings support positioning sleeve.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining relative position relation, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
Such as Fig. 1 and Fig. 2, the utility model provides a kind of isolation ground connection static contact seat with sealing structure, is applied to miniaturization
In three-station isolating grounding switch in solid insulation switch cabinet.
Multiple isolation ground connection static contact seats 2 are installed on an earthing bar 1, in the present embodiment, the installation on earthing bar 1 side by side
There are three isolation ground connection static contact seat 2, by earthing bar 1 by three isolation be grounded static contact seats 2 connect it is integral, realize three-phase one
Body is easily positioned, is easily installed.Earthing bar 1 is equipped with through-hole 7, and isolation ground connection static contact seat 2 is installed on earthing bar 1 across through-hole 7.
In the present embodiment, the upper diameter of isolation ground connection static contact seat 2 is less than or equal to the diameter of through-hole 7, is grounded the lower part of static contact seat 2
Diameter is more than the diameter of through-hole 7, then the top that the top of ground connection static contact seat 2 passes through through-hole 7 to be located at earthing bar 1 is isolated, and isolation connects
The lower part of ground static contact seat 2 is by block in the lower section of earthing bar 1.
Isolation ground connection static contact seat 2 is arranged with sealing ring 3 in the lower section periphery of earthing bar 1, and ground connection static contact seat 1 is isolated to realize
With extraneous static seal.Preferably, isolation ground connection static contact seat 2 convex at 1 bottom surface of earthing bar is equipped with step 8,8 block of step
In the bottom surface of earthing bar 1, sealing ring 3 is O-shaped, is sleeved on the periphery of step 8.
The central axial jack 4 being equipped with for axis grafting of isolation ground connection static contact seat 2, jack 4 is interior to be equipped with outside framework oil seal 5, with
Realize isolation ground connection static contact seat 2 and extraneous dynamic sealing.In the present embodiment, it is equipped with around the jack 4 of isolation ground connection static contact seat 2
Groove 9 is equipped with oil sealing support positioning sleeve 10 in groove 9, there are two outside framework oil seal 5 is set, is respectively arranged in oil sealing support positioning
The both sides up and down of set 10, make dynamic sealing using outside framework oil seal 5, can meet requirement, and moderate cost.It is fixed using oil sealing support
Position set 10, support aligning effect can reduce influence of the direct acting axis radial load to oil sealing, improve sealing life.
The top of isolation ground connection static contact seat 2 is bolted with axle envelope end cap 6, and outside framework oil seal 5 is limited to isolation and connect by axle envelope end cap 6
In ground static contact seat 2, specifically, the top down of axle envelope end cap 6 pushes down outside framework oil seal 5, and the lateral margin of axle envelope end cap 6 extends downwardly,
Be bolted in the periphery of isolation ground connection static contact seat 2 prevents axial abjection to which outside framework oil seal 5 to be limited in groove 9.
Multiple isolation are grounded static contact seat 2 and are connected by an earthing bar 1 integral by the utility model, are easily positioned, are convenient for
Installation, using sealing ring 3 and outside framework oil seal 5 realizes respectively three-station isolating grounding switch primary circuit part with the external world it is quiet close
Envelope and dynamic sealing, dustproof and waterproof ensure switchgear safe operation.
Above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, although with reference to preferred embodiment pair
The utility model is described in detail, it will be appreciated by those skilled in the art that can to the technical solution of the utility model into
Row modification or equivalent replacement should all cover the power in the utility model without departing from the objective and range of the technical program
In sharp claimed range.
Claims (8)
1. a kind of isolation with sealing structure is grounded static contact seat, which is characterized in that including：Multiple isolation ground connection static contact seat peaces
Loaded on an earthing bar, the isolation ground connection static contact seat is arranged with sealing ring in the lower section periphery of the earthing bar, to realize
Isolation ground connection static contact seat and extraneous static seal are stated, the central axial of the isolation ground connection static contact seat is equipped with inserting for axis grafting
Hole, the jack is interior to be equipped with outside framework oil seal, to realize the dynamic sealing of isolation the ground connection static contact seat and the external world, the isolation ground connection
The top of static contact seat is bolted with axle envelope end cap, and the outside framework oil seal is limited to the isolation and is grounded static contact seat by the axle envelope end cap
It is interior.
2. the isolation according to claim 1 with sealing structure is grounded static contact seat, it is characterised in that：On the earthing bar simultaneously
There are three the isolation to be grounded static contact seat for the installation of row, realizes three-phase integrated.
3. the isolation according to claim 1 with sealing structure is grounded static contact seat, it is characterised in that：It is set on the earthing bar
There are through-hole, the isolation ground connection static contact seat to be installed on the earthing bar across the through-hole.
4. the isolation according to claim 3 with sealing structure is grounded static contact seat, it is characterised in that：The isolation ground connection is quiet
The upper diameter of touch base is less than or equal to the diameter of the through-hole, and the lower diameter of the ground connection static contact seat is more than the through-hole
Diameter, the then isolation are grounded the top that the top of static contact seat passes through the through-hole to be located at the earthing bar, the isolation ground connection
The lower part of static contact seat is by block in the lower section of the earthing bar.
5. the isolation according to claim 4 with sealing structure is grounded static contact seat, it is characterised in that：The isolation ground connection is quiet
Touch base convex at the earthing bar bottom surface is equipped with step, and the step block is in the bottom surface of the earthing bar, the sealing
Snare is in the periphery of the step.
6. the isolation according to claim 1 with sealing structure is grounded static contact seat, it is characterised in that：The isolation ground connection is quiet
It is equipped with groove around the jack of touch base, oil sealing support positioning sleeve is installed in the groove, there are two the outside framework oil seal is set, point
It is not installed on the both sides up and down of the oil sealing support positioning sleeve.
7. the isolation according to claim 1 with sealing structure is grounded static contact seat, it is characterised in that：The axle envelope end cap
Top down pushes down the outside framework oil seal, and the lateral margin of the axle envelope end cap extends downwardly, and is bolted in the isolation ground connection static contact seat
Periphery.
8. the isolation according to claim 1 with sealing structure is grounded static contact seat, it is characterised in that：The sealing ring is O
Type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820125871.XU CN207800386U (en) | 2018-01-25 | 2018-01-25 | A kind of isolation ground connection static contact seat with sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820125871.XU CN207800386U (en) | 2018-01-25 | 2018-01-25 | A kind of isolation ground connection static contact seat with sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207800386U true CN207800386U (en) | 2018-08-31 |
Family
ID=63270417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820125871.XU Active CN207800386U (en) | 2018-01-25 | 2018-01-25 | A kind of isolation ground connection static contact seat with sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207800386U (en) |
-
2018
- 2018-01-25 CN CN201820125871.XU patent/CN207800386U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: He Changhong Inventor after: Zhang Zongmiao Inventor after: Guo Yangyang Inventor before: He Changhong Inventor before: Zhang Zongmiao Inventor before: Guo Yang |