CN201378538Y - Isolating switch - Google Patents
Isolating switch Download PDFInfo
- Publication number
- CN201378538Y CN201378538Y CN200920008318U CN200920008318U CN201378538Y CN 201378538 Y CN201378538 Y CN 201378538Y CN 200920008318 U CN200920008318 U CN 200920008318U CN 200920008318 U CN200920008318 U CN 200920008318U CN 201378538 Y CN201378538 Y CN 201378538Y
- Authority
- CN
- China
- Prior art keywords
- insulator
- isolating switch
- contact
- moving contact
- fixed
- 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
- 238000009413 insulation Methods 0.000 claims abstract description 18
- 239000012212 insulator Substances 0.000 claims description 41
- 238000009434 installation Methods 0.000 claims description 11
- 230000003068 static effect Effects 0.000 abstract 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052573 porcelain Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Images
Abstract
The utility model discloses an isolating switch, which comprises an insulating body, three static contacts and three moving contacts, wherein the moving contacts perform separating brake or closing brake with the static contacts, and are fixed on the insulation body at intervals; two end parts of the insulating body are respectively connected with a supporting seat provided with a mounting hole; the insulating body can rotate relative to the supporting seat; the circumference of the insulating body is fixed with a connecting component for pushing the insulating body to rotate on the supporting seat; and the static contacts are provided with connecting bars for connecting a conductive bus. The isolating switch has the advantages of small size, no need of a fixed bracket and convenient use.
Description
Technical field
The utility model relates to the Electrical Control Technology field, and being specifically related to a kind of rated voltage is 10KV and the following interior isolating switch of downhole anti-explosion casing.
Background technology
Isolating switch is a kind of electric controling element commonly used, and its effect is to isolate, connect, changing getting in touch between electrified body and the electrical appliance under the non-loaded state of circuit.Existing isolating switch such as GN30, its fixed contact is fixed on the metal framework of three-dimensional rectangle by the insulator of porcelain or plastic colloid, and its conductor means of moving bar of rotation is on the insulator of porcelain.The weak point of this insulated switch have the consumption metal material many, take up space big, easily broken, heavy, to installed and used, transportation and product is supporting makes troubles.
Summary of the invention
The purpose of this utility model provide a kind of volume small and exquisite, need not fixed support and isolating switch easy to use.
The technical scheme that realizes the utility model purpose is as follows:
A kind of isolating switch, comprise insulator, three fixed contacts and carry out three moving contacts of separating brake or combined floodgate with fixed contact, the moving contact fixed interval is on insulator, two ends of insulator all connect a supporting base with installing hole, insulator can rotate with respect to supporting base, circumferentially fix one on the insulator and promote the link that this insulator rotates on supporting base, fixed contact is provided with the connection row who is used to connect busbar.
Adopted such scheme, the moving contact fixed interval is on insulator, two ends of insulator all connect a supporting base with installing hole, isolating switch directly can be installed on the explosion-proof casing by supporting base, need not fixedly to fix isolating switch like this, be beneficial to and reduce the isolating switch occupation space, and the volume of the conductive component of moving contact on the isolating switch and fixed contact is enlarged, flow through the electric current of this isolating switch with increase.Insulator can rotate with respect to supporting base, circumferentially fixes one on the insulator and promote the link that this insulator rotates on supporting base, and link is carried out insulator rotation drive moving contact and fixed contact and closed a floodgate or separating brake by handling link.Fixed contact is provided with the connection row who is used to connect busbar, connects row by this, can be convenient to be connected with busbar.
The outside wall surface of insulation shell support is provided with adapter sleeve, can prevent insulation shell support generation deformation by adapter sleeve.
Pressing plate comprise the installation portion that is positioned at the moving contact lower surface and with the limiting section of moving contact contacts side surfaces, by limiting section, the contact knife that can the prevent moving contact skew that deforms is reliably closed a floodgate to guarantee moving contact and fixed contact.
In sum, the advantage and the good effect that the utlity model has are: volume is little, simple in structure, easy for installation, the applied current scope is wide.
Description of drawings
Fig. 1 is the schematic diagram in the explosion-proof casing for the utility model is assemblied in;
Fig. 2 is user mode figure of the present utility model;
In the accompanying drawing, 1 is insulator, and 11 is cannelure, and 2 is moving contact, 21 is fixed part, and 22 is contact knife, and 23 is connecting portion, and 3 is fixed contact, 31 is the insulation shell support, and 32 is conductive contact blade, and 311 is adapter sleeve, and 4 is supporting base, 5 is link, and 6 is control crank, and 7 is pressing plate, 71 is installation portion, and 72 is limiting section, and 8 for connecting row, 9 is explosion-proof casing, and 10 is busbar, and 11 is insulator.
Embodiment
See figures.1.and.2, isolating switch of the present utility model, insulator are roughly rectangular, make this insulator 1 for being the insulator of " one " font.Equidistant interval arranges that three fitting recess are used to install moving contact 2 on the same end face of insulator, is provided with screwed hole in the fitting recess, and these fitting recess are axial arranged along insulator.Two ends of insulator 1 all connect a supporting base 4 with installing hole, and insulator can rotate with respect to supporting base.Supporting base 4 comprise the flange mount pad and with the integrated Bearing Installation of this flange mount pad portion.The flange mount pad is provided with installing hole, supporting base and explosion-proof casing 9 can be fastenedly connected by the flange mount pad.Bearing Installation portion is cylindrical, is provided with the centre bore that is used for running in bearings in the Bearing Installation portion.Be provided with bearing (bearing is not shown in the drawings) in the supporting base, this bearing is anchored in the Bearing Installation portion of supporting base with interference fit.The end of insulator 1 is connected with bearing fixing.Circumferentially fix one on the insulator 1 and promote the link 5 that this insulator rotates on supporting base, this link and one of them supporting base 4 near.Link 5 is fixedlyed connected with a control crank 6, and control crank 6 is fixed on explosion-proof casing 9 outside wall surface.
Moving contact 2 is anchored in the fitting recess of insulator 1 by screw, moving contact comprises the fixed part 21 that is connected with insulator, and the contact knife 22 of upwards turning back and extending to form, and the wire interconnecting piece 23 that extends to form forward from the front end face level of fixed part from the fixed part left side.Wherein fixed part 22 is provided with pilot hole, and this pilot hole is screwed hole or through hole.Contact knife 22 is one-body molded with fixed part, and contact knife 22 is upwards turned back through after the punching press, and contact knife is used for carrying out separating brake or combined floodgate with fixed contact, so that circuit turn-on or disconnection.Wire interconnecting piece 23 is also one-body molded with fixed part, for the ease of fixedly connected lead, make this wire interconnecting piece 23 along the front end face of fixed part 22 elongation moulding forward, on wire interconnecting piece 23, also be provided with the screwed hole of connecting bolt, so that lead is connected with bolt.Also be provided with the pressing plate 7 that equates with moving contact quantity on the insulator 1, the part of each pressing plate is positioned at moving contact 2 lower surfaces, and screw passes the pilot hole that is provided with on moving contact and the pressing plate successively and is connected with the insulation spindle thread.Pressing plate 7 comprise the installation portion 71 that is positioned at the moving contact lower surface and with the limiting section 72 of moving contact contacts side surfaces, limiting section 72 is connected with contact knife 22 by bolt, installation portion and limiting section combination forming are the pressing plate of " L " shape.
Fixed contact 3 comprises insulation shell support 31, conductive contact blade 32 and jump ring (jump ring is not shown in the drawings).One end of insulation shell support 31 is provided with the opening for the contact knife insertion of moving contact, is provided with adapter sleeve 311 on the outside wall surface of insulation shell support 31, to prevent insulation shell support 31 very big distortion takes place under the hot environment that short circuit causes.Conductive contact blade 32 is used for contacting with contact knife 22, and an end of conductive contact blade 32 is positioned at the tension force of insulation shell support by jump ring and pushes against, and can make conductive contact blade and contact knife 22 more reliable contacts by jump ring, and the other end of conductive contact blade 22 stretches out outside the insulation shell support.Fixed contact is provided with the connection row 8 who is used to connect busbar, and the end of the conductive contact blade 22 that this connection row is outer with stretching out the insulation shell support is bolted to connection, and connects row upper end horizontal-extending after transferring, and is shaped to the connection row of " 7 " font.
With reference to Fig. 3, the use schematic diagram when closing a floodgate for the utility model, busbar 10 are fixed on the insulator 11, are electrically connected with busbar 10 by connecting row 8.When the needs separating brake, promote control crank 6 and drive link 5 generation moments of torsion, make and the link 5 circumferential insulators of fixedlying connected 1 rotations, moving contact 2 is realized moving contact and fixed contact separating brake along with the insulator rotation.When needs close a floodgate, can realize by reverse promotion control crank 6.The utility model is simple in structure, and is easy to operate.
The foregoing description is to be used to illustrate the utility model, rather than to restriction of the present utility model, to the improvement of utility model, all belongs to the scope of the utility model claim protection under the design prerequisite of utility model.
Claims (9)
1. isolating switch, comprise insulator, three fixed contacts and carry out three moving contacts of separating brake or combined floodgate with fixed contact, the moving contact fixed interval is on insulator, it is characterized in that: two ends of insulator all connect a supporting base with installing hole, insulator can rotate with respect to supporting base, circumferentially fix one on the insulator and promote the link that this insulator rotates on supporting base, fixed contact is provided with the connection row who is used to connect busbar.
2. isolating switch according to claim 1, it is characterized in that: described fixed contact comprises insulation shell support, conductive contact blade and jump ring, one end of insulation shell support is provided with the opening that inserts for moving contact, one end of conductive contact blade is positioned at the tension force of insulation shell support by jump ring and pushes against, and the other end of conductive contact blade stretches out outside the insulation shell support.
3. isolating switch according to claim 2 is characterized in that: the outside wall surface of insulation shell support is provided with adapter sleeve.
4. isolating switch according to claim 1, it is characterized in that: described moving contact comprises the fixed part that is connected with insulator, and the contact knife of upwards turning back and extending to form, and the wire interconnecting piece that extends to form forward from the front end face level of fixed part from the fixed part left side.
5. according to claim 1 or 4 any described isolating switches, it is characterized in that: also be provided with the pressing plate that equates with moving contact quantity on the described insulator, the part of each pressing plate is positioned at the moving contact lower surface, and screw passes the pilot hole that is provided with on moving contact and the pressing plate successively and is connected with the insulation spindle thread.
6. isolating switch according to claim 5 is characterized in that: described pressing plate comprise the installation portion that is positioned at the moving contact lower surface and with the limiting section of moving contact contacts side surfaces, installation portion and limiting section combination forming are the pressing plate of " L " shape.
7. isolating switch according to claim 1 is characterized in that: be provided with bearing in the described supporting base, the end of insulator is connected with bearing fixing.
8. isolating switch according to claim 1 is characterized in that: link is fixedlyed connected with a control crank.
9. isolating switch according to claim 1 is characterized in that: described connection row upper end horizontal-extending after transferring, the connection that is shaped to " 7 " font is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920008318U CN201378538Y (en) | 2009-03-27 | 2009-03-27 | Isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920008318U CN201378538Y (en) | 2009-03-27 | 2009-03-27 | Isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201378538Y true CN201378538Y (en) | 2010-01-06 |
Family
ID=41518657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920008318U Expired - Fee Related CN201378538Y (en) | 2009-03-27 | 2009-03-27 | Isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201378538Y (en) |
-
2009
- 2009-03-27 CN CN200920008318U patent/CN201378538Y/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 | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Magnetic amplifier auxiliary output circuit of isolation switch power source Effective date of registration: 20120620 Granted publication date: 20100106 Pledgee: Jiangsu Jiangnan Rural Commercial Bank Limited by Share Ltd Pledgor: Changzhou Lianli Automation Technology Co., Ltd. Registration number: 2012990000311 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20130605 Granted publication date: 20100106 Pledgee: Jiangsu Jiangnan Rural Commercial Bank Limited by Share Ltd Pledgor: Changzhou Lianli Automation Technology Co., Ltd. Registration number: 2012990000311 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Magnetic amplifier auxiliary output circuit of isolation switch power source Effective date of registration: 20130605 Granted publication date: 20100106 Pledgee: Jiangsu Jiangnan Rural Commercial Bank Limited by Share Ltd Pledgor: Changzhou Lianli Automation Technology Co., Ltd. Registration number: 2013990000351 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20140604 Granted publication date: 20100106 Pledgee: Jiangsu Jiangnan Rural Commercial Bank Limited by Share Ltd Pledgor: Changzhou Lianli Automation Technology Co., Ltd. Registration number: 2013990000351 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Magnetic amplifier auxiliary output circuit of isolation switch power source Effective date of registration: 20140605 Granted publication date: 20100106 Pledgee: Jiangsu Jiangnan Rural Commercial Bank Limited by Share Ltd Pledgor: Changzhou Lianli Automation Technology Co., Ltd. Registration number: 2014990000436 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20150529 Granted publication date: 20100106 Pledgee: Jiangsu Jiangnan Rural Commercial Bank Limited by Share Ltd Pledgor: Changzhou Lianli Automation Technology Co., Ltd. Registration number: 2014990000436 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Magnetic amplifier auxiliary output circuit of isolation switch power source Effective date of registration: 20150604 Granted publication date: 20100106 Pledgee: Jiangsu Jiangnan Rural Commercial Bank Limited by Share Ltd Pledgor: Changzhou Lianli Automation Technology Co., Ltd. Registration number: 2015990000434 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100106 Termination date: 20160327 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |