CN207624620U - A kind of vacuum switch - Google Patents
A kind of vacuum switch Download PDFInfo
- Publication number
- CN207624620U CN207624620U CN201721789050.8U CN201721789050U CN207624620U CN 207624620 U CN207624620 U CN 207624620U CN 201721789050 U CN201721789050 U CN 201721789050U CN 207624620 U CN207624620 U CN 207624620U
- Authority
- CN
- China
- Prior art keywords
- conductive rod
- insulation crust
- static
- lid
- spring
- 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
Links
- 230000003068 static effect Effects 0.000 claims abstract description 34
- 238000009413 insulation Methods 0.000 claims abstract description 24
- 230000000694 effects Effects 0.000 abstract description 6
- 238000001816 cooling Methods 0.000 abstract description 3
- 238000010891 electric arc Methods 0.000 abstract description 3
- 230000005494 condensation Effects 0.000 abstract description 2
- 238000009833 condensation Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The utility model discloses a kind of vacuum switches of electrical equipment technical field,Including insulation crust,Static side lid is provided at the top of the insulation crust,It is provided with fixing bolt at the top of the static side lid,The static side lid is connect by fixing bolt with insulation crust,The bottom of the insulation crust is provided with moved end lid,The inner cavity of the moved end lid is plugged with moving conductive rod,The top of the moving conductive rod is equipped with step,The top of the moved end lid is equipped with one end of bellows,And the other end of bellows is connect with step,The inner cavity top of the insulation crust is provided with static conductive rod,Effectively avoid the excessive generation for easily leading to contact deflection of momentum,Shielding case is double-layer structure,Even if having damaged one of them,Another can be continuing with,With good cooling effect,Avoid shielding case temperature it is excessively high cause its surface condensation electric arc product it is less able.
Description
Technical field
The utility model is related to electrical equipment technical field, specially a kind of vacuum switch.
Background technology
Vacuum switch tube also known as vacuum interrupter make mesohigh circuitry cuts power supply by the excellent insulating properties of vacuum in pipe
After rapid blow-out and electric current can be inhibited, avoid accident and unexpected occur.With energy saving, section material, fire prevention, explosion-proof, small, longevity
The advantages that life is long, maintenance cost is low, reliable for operation and pollution-free, the conducting of existing vacuum switch structure be using movable contact with
Stationary contact point contact, but the excessive generation for easily leading to contact deflection of contact momentum of the contact with contact and contact with conducting rod.
In view of problem mentioned above, the utility model designs a kind of vacuum switch, mentioned above to solve the problems, such as.
Utility model content
The purpose of this utility model is to provide a kind of vacuum switch, with solve contact mentioned above in the background art with
The problem of contact momentum with conducting rod of getting an electric shock and get an electric shock excessive generation for easily leading to contact deflection.
To achieve the above object, the utility model provides the following technical solutions：A kind of vacuum switch, including insulation crust,
It is provided with static side lid at the top of the insulation crust, fixing bolt is provided at the top of the static side lid, the static side lid passes through
Fixing bolt is connect with insulation crust, and the bottom of the insulation crust is provided with moved end lid, and the inner cavity of the moved end lid is plugged with
The top of moving conductive rod, the moving conductive rod is equipped with step, and the top of the moved end lid is equipped with one end of bellows, and bellows
The other end connect with step, the inner cavity top of the insulation crust is provided with static conductive rod, the moving conductive rod and quiet conduction
The outer wall of bar has been fixedly connected with set block, and the two bottom sides of the top set block and the top both sides of bottom set block are both provided with bullet
The bottom of spring, the top set block is connected with static contact by spring, and the top of set block described in bottom is connected with dynamic by spring
The inner cavity left and right sidewall of contact, the insulation crust is both provided with shielding support, and screen is equipped between shielding support described in two groups
Cover is covered, one end of the static conductive rod and one end of moving conductive rod are arranged at the inner cavity of shielding case.
Preferably, the both ends of the set block are both provided with link block, and the bottom of the link block is provided with spring washer, institute
The top for stating spring is connect by spring washer with link block.
Preferably, the shielding case is double-layer structure, and the outer wall of shielding case is provided with radiating fin.
Compared with prior art, the utility model has the beneficial effects that：This kind of vacuum switch, by moving conductive rod and quiet
Conducting rod outer wall setting set block, and it connect, under the action of the spring, moving contact and stationary contact with moving contact with static contact by spring
With certain cushioning effect when head and moving contact are contacted with moving conductive rod and static conductive rod respectively with static contact, effectively
The excessive generation for easily leading to contact deflection of momentum is avoided, shielding case is double-layer structure, even if having damaged one of them, another can
It is continuing with, and the outer wall of shielding case is provided with radiating fin, there is good cooling effect, avoid shielding case temperature is excessively high from causing
Its surface condenses the less able of electric arc product, and elasticity and air-tightness are good.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is that the utility model covers block structure schematic diagram.
In figure：It is 1 insulation crust, 2 static side lids, 3 fixing bolts, 4 moved end lids, 5 moving conductive rods, 6 bellowss, 7 steps, 8 quiet
Conducting rod, 9 sets of blocks, 10 springs, 11 moving contacts, 12 static contacts, 13 shielding cases, 14 link blocks, 15 spring washers, 16 shielding branch
Support.
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 describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 2 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of vacuum switch, including insulation crust 1, institute
The top for stating insulation crust 1 is provided with static side lid 2, and the top of the static side lid 2 is provided with fixing bolt 3, and the static side lid 2 is logical
It crosses fixing bolt 3 to connect with insulation crust 1, the bottom of the insulation crust 1 is provided with moved end lid 4, the inner cavity of the moved end lid 4
It is plugged with moving conductive rod 5, the top of the moving conductive rod 5 is equipped with step 7, and the top of the moved end lid 4 is equipped with the one of bellows 6
End, and the other end of bellows 6 is connect with step 7, the inner cavity top of the insulation crust 1 is provided with static conductive rod 8, described dynamic
The outer wall of conducting rod 7 and static conductive rod 8 has been fixedly connected with set block 9, and the two bottom sides of the top set block 9 and bottom cover block 9
Top both sides be both provided with spring 10, the bottom of the top set block 9 is connected with static contact 12 by spring 10, described in bottom
The top for covering block 9 is connected with moving contact 11 by spring 10, and the inner cavity left and right sidewall of the insulation crust 1 is both provided with shielding branch
Support 16 is equipped with shielding case 13, one end of the static conductive rod 8 and the one of moving conductive rod 5 between shielding support 16 described in two groups
End is arranged at the inner cavity of shielding case 13.
Wherein, the both ends of the set block 9 are both provided with link block 14, and the bottom of the link block 14 is provided with spring washer
15, the top of the spring 10 is connect by spring washer 15 with link block 14, and the shielding case 13 is double-layer structure, shielding case
13 be stainless steel structure, even if having damaged one of them, another can be continuing with, and the outer wall of shielding case 13 is provided with heat dissipation
Wing has good cooling effect, and the excessively high ability for leading to the condensation electric arc product on its surface of 13 temperature of shielding case is avoided to become
Difference.
Operation principle：Static side lid 2 and moved end lid 4 are connect with extraneous power supply, and insulation crust 1 has the work to insulate well
With ensure that the steady operation of vacuum switch, when needing to carry out feed motion, bellows 6 carries out longitudinal flexible, drives dynamic
Conducting rod 5 moves up, and moving contact 11 is contacted with static contact 12, under the action of spring 10, moving contact 11 and static contact 12 with
And moving contact 11 and static contact 12 when being contacted respectively with moving conductive rod 5 and static conductive rod 8 with certain cushioning effect, have
Effect avoids the excessive generation for easily leading to contact deflection of momentum, and elasticity and air-tightness are good, and extraneous air can be from moving conductive rod 5 and moved end
Gap between lid 4 enters, but due to the sealing function of bellows 6, air can only enter moving conductive rod 5 and bellows 6 it
Between, and ceramic inner cavity cannot be entered, to ensure to be in vacuum state inside switching tube.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (3)
1. a kind of vacuum switch, including insulation crust (1), it is characterised in that：It is provided with static side at the top of the insulation crust (1)
It covers (2), fixing bolt (3) is provided at the top of the static side lid (2), the static side lid (2) passes through fixing bolt (3) and insulation
Shell (1) connects, and the bottom of the insulation crust (1) is provided with moved end lid (4), and the inner cavity of the moved end lid (4) is plugged with dynamic
The top of conducting rod (5), the moving conductive rod (5) is equipped with step (7), and the top of the moved end lid (4) is equipped with bellows (6)
One end, and the other end of bellows (6) is connect with step (7), the inner cavity top of the insulation crust (1) is provided with static conductive rod
(8), the outer wall of the moving conductive rod (5) and static conductive rod (8) has been fixedly connected with set block (9), the bottom of the top set block (9)
Portion both sides and the top both sides of bottom set block (9) are both provided with spring (10), and the bottom of the top set block (9) passes through spring
(10) it is connected with static contact (12), the top that block (9) is covered described in bottom is connected with moving contact (11) by spring (10), described exhausted
The inner cavity left and right sidewall of edge shell (1) is both provided with shielding support (16), and screen is equipped between shielding support (16) described in two groups
Cover (13) is covered, one end of the static conductive rod (8) and one end of moving conductive rod (5) are arranged at the inner cavity of shielding case (13).
2. a kind of vacuum switch according to claim 1, it is characterised in that：The both ends of the set block (9) are both provided with company
Block (14) is connect, the bottom of the link block (14) is provided with spring washer (15), and the top of the spring (10) passes through spring pad
Circle (15) is connect with link block (14).
3. a kind of vacuum switch according to claim 1, it is characterised in that：The shielding case (13) is double-layer structure, and
The outer wall of shielding case (13) is provided with radiating fin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721789050.8U CN207624620U (en) | 2017-12-20 | 2017-12-20 | A kind of vacuum switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721789050.8U CN207624620U (en) | 2017-12-20 | 2017-12-20 | A kind of vacuum switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207624620U true CN207624620U (en) | 2018-07-17 |
Family
ID=62820744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721789050.8U Expired - Fee Related CN207624620U (en) | 2017-12-20 | 2017-12-20 | A kind of vacuum switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207624620U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108987177A (en) * | 2018-09-30 | 2018-12-11 | 吕晓君 | A kind of follow-on vacuum switch |
-
2017
- 2017-12-20 CN CN201721789050.8U patent/CN207624620U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108987177A (en) * | 2018-09-30 | 2018-12-11 | 吕晓君 | A kind of follow-on vacuum switch |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180717 |