CN204481370U - A kind of moving contact fixed guide fixed rack - Google Patents
A kind of moving contact fixed guide fixed rack Download PDFInfo
- Publication number
- CN204481370U CN204481370U CN201520038431.7U CN201520038431U CN204481370U CN 204481370 U CN204481370 U CN 204481370U CN 201520038431 U CN201520038431 U CN 201520038431U CN 204481370 U CN204481370 U CN 204481370U
- Authority
- CN
- China
- Prior art keywords
- box body
- screw hole
- connecting screw
- lid
- insulating bar
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a kind of moving contact fixed guide fixed rack, comprise insulating bar, box body, lid and interior exterior seal ring, connecting thread is all established in insulating bar two ends, cartridge upper surface and lower surface all establish connected unit, connecting screw hole is established in its center, cartridge upper surface connected unit separately establishes circular arc link slot around connecting screw hole axis, separately seal groove is established between link slot and connecting screw hole, and be connected with sealing ring by seal groove, lid is connected in-built drier by attachment screw with box body, contiguous block shape and distributing position and box body link slot match, insulating bar top connecting thread is connected with the connecting screw hole of box body by box body lower surface connected unit.The fingertip distortion that this is novel prevents isolating switch, earthed switch swings when twitching up and down and causes and isolating switch can be prevented, because open air has a humid climate, be oxidized the contact electric conductivity caused abnormal for contact surface condensation when being in inactive for earthed switch, contributes to stability in use and the reliability of raising solid insulation ring main unit.
Description
Technical field
The utility model relates to a kind of moving contact fixed guide fixed rack, belongs to power switchgear technical field.
Background technology
The earthed switch used in current solid insulation ring main unit and isolating switch, its carry out point, during closing operation, its contact needs to be rotated under the drive of traditional rotating mechanism, and current earthed switch and its contact of isolating switch are carrying out rotation point, close a floodgate when moving and all lack necessary location protective capacities, therefore very easily cause contact that radial direction occurs when rotary motion to perturb, cause contact running orbit not reach the requirement moved both vertically, contact is even caused to be out of shape time serious, fixed support prevents position deviation near moving contact pull bar, thus cause earthed switch and isolating switch operation troubles, simultaneously, current earthed switch and isolating switch are when being in stopped status for a long time, due to reasons such as the aqueous vapors in air, easily on contact, produce condensation, and cause contact to be oxidized, thus cause earthed switch and isolating switch electric conductivity extremely, earthed switch and isolation switch contact is even caused to burn time serious, for above deficiency, in the urgent need to developing a kind of earthed switch and the special contact fixture of isolating switch, to overcome the numerous deficiencies in current use.
Utility model content
For the deficiency that prior art exists, the utility model provides a kind of moving contact fixed guide fixed rack, this new structure advantages of simple, simple and convenient, positioning precision is good, antihunting is functional, humidity resistance is good, thus can isolating switch be prevented on the one hand, on earthed switch, swing during lower twitch and do not reach vertical point, the fingertip deforming contact that combined floodgate requires and causes is bad, resistance increases, switchgear is finally caused to damage, isolating switch can be prevented on the other hand, the contact electric conductivity caused because of the oxidation of contact surface condensation when earthed switch is in inactive is abnormal, thus effectively improve isolating switch and earthed switch serviceability, and extend its useful life, contribute to the stability in use and the reliability that improve solid insulation ring main unit.
To achieve these goals, the utility model realizes by the following technical solutions:
A kind of moving contact fixed guide fixed rack, it is characterized in that: it comprises insulating bar, box body, lid and sealing ring, connecting thread is all established in described insulating bar two ends, upper surface and the lower surface of described box body all establish connected unit, the centre bit of described box body installs connecting screw hole, the another link slot establishing at least 4 sections of circular arcs around connecting screw hole axis in described cartridge upper surface connected unit, separately seal groove is established between described link slot and connecting screw hole, in described seal groove, sealing ring is installed, described lid is connected with box body by attachment screw, and lid establishes open-work, described open-work coaxially distributes with lid and box body connecting screw hole respectively, described lid following table contiguous block, described contiguous block shape and distributing position and box body link slot match, described insulating bar top connecting thread is connected with the connecting screw hole of box body by box body lower surface connected unit.
Further, described insulating bar end and connecting thread transition face place establish back-up ring.
Further, described attachment screw at least 4, and uniform around open-work axis.
Further, separately to set up defences in described box body damp drier.
This new structure advantages of simple, simple and convenient, positioning precision is good, antihunting is functional, humidity resistance is good, thus can isolating switch be prevented on the one hand, on earthed switch, swing during lower twitch and do not reach vertical point, the fingertip distortion that combined floodgate requires and causes, switchgear is caused to damage, isolating switch can be prevented on the other hand, the contact electric conductivity caused because contact surface produces condensation oxidation when earthed switch is in inactive is abnormal, thus effectively improve isolating switch and earthed switch serviceability, and extend its useful life, contribute to the stability in use and the reliability that improve solid insulation ring main unit.
Accompanying drawing explanation
The utility model is described in detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is this new structure schematic diagram.
Embodiment
The technological means realized for making the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with embodiment, setting forth the utility model further.
A kind of moving contact fixed guide fixed rack as described in Figure 1, comprise insulating bar 1, box body 2, sealing ring 3 and lid 4, connecting thread is all established in insulating bar 1 two ends, box body 2 upper surface and lower surface all establish connected unit 5, connecting screw hole peripheral hardware seal groove is established in its center, box body 2 upper surface connected unit 5 separately establishes at least 4 sections of circular arc link slots 7 around connecting screw hole 6 axis, separately seal groove is established between link slot 7 and connecting screw hole 6, and be connected with sealing ring 3 by seal groove, lid 4 is connected with box body 2 by attachment screw 9, and lid 4 establishes open-work 10, open-work 10 coaxially distributes with lid 4 and box body 2 connecting screw hole 6 respectively, lid 4 following table contiguous block 11, contiguous block 11 shape and distributing position and box body 2 link slot 7 match, insulating bar 1 top connecting thread is connected with the connecting screw hole 6 of box body 2 by box body 2 lower surface connected unit 5.
In the present embodiment, described insulating bar 1 end and connecting thread transition face place establish back-up ring 12, attachment screw 9 at least 4, and uniform around open-work 10 axis.
In the present embodiment, in described box body 2, separately establish anti-blushing agent.
This new structure advantages of simple, simple and convenient, positioning precision is good, antihunting is functional, humidity resistance is good, thus can isolating switch be prevented on the one hand, on earthed switch, swing during lower twitch and do not reach vertical point, the fingertip distortion that combined floodgate requires and causes, loose contact, resistance increases, switchgear is finally caused to damage, isolating switch can be prevented on the other hand, the contact electric conductivity caused because of the oxidation of contact surface condensation when earthed switch is in inactive is abnormal, thus effectively improve isolating switch and earthed switch serviceability, and extend its useful life, contribute to the stability in use and the reliability that improve solid insulation ring main unit.
More than show and describe general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. a moving contact fixed guide fixed rack, it is characterized in that: it comprises insulating bar, box body, lid and sealing ring, connecting thread is all established in described insulating bar two ends, upper surface and the lower surface of described box body all establish connected unit, the centre bit of described box body installs connecting screw hole, the another link slot establishing at least 4 sections of circular arcs around connecting screw hole axis in described cartridge upper surface connected unit, separately seal groove is established between described link slot and connecting screw hole, in described seal groove, sealing ring is installed, described lid is connected with box body by attachment screw, and lid establishes open-work, described open-work coaxially distributes with lid and box body connecting screw hole respectively, described lid following table contiguous block, described contiguous block shape and distributing position and box body link slot match, described insulating bar top connecting thread is connected with the connecting screw hole of box body by box body lower surface connected unit.
2. a kind of moving contact fixed guide fixed rack according to claim 1, is characterized in that: described insulating bar end and connecting thread transition face place establish back-up ring.
3. a kind of moving contact fixed guide fixed rack according to claim 1, is characterized in that: described attachment screw at least 4, and uniform around open-work axis.
4. a kind of moving contact fixed guide fixed rack according to claim 1, is characterized in that: damp drier of separately setting up defences in described box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520038431.7U CN204481370U (en) | 2015-01-16 | 2015-01-16 | A kind of moving contact fixed guide fixed rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520038431.7U CN204481370U (en) | 2015-01-16 | 2015-01-16 | A kind of moving contact fixed guide fixed rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204481370U true CN204481370U (en) | 2015-07-15 |
Family
ID=53637145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520038431.7U Expired - Fee Related CN204481370U (en) | 2015-01-16 | 2015-01-16 | A kind of moving contact fixed guide fixed rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204481370U (en) |
-
2015
- 2015-01-16 CN CN201520038431.7U patent/CN204481370U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150715 Termination date: 20180116 |