CN216145539U - Closed isolating switch for outdoor alternating current - Google Patents
Closed isolating switch for outdoor alternating current Download PDFInfo
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- CN216145539U CN216145539U CN202121693218.1U CN202121693218U CN216145539U CN 216145539 U CN216145539 U CN 216145539U CN 202121693218 U CN202121693218 U CN 202121693218U CN 216145539 U CN216145539 U CN 216145539U
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Abstract
The utility model relates to the technical field of isolating switches, in particular to a closed isolating switch for outdoor alternating current. The utility model provides an outdoor alternating current is with sealing isolator, includes base, insulator and connecting device, the insulator include first insulator and second insulator, insulator fixed connection be in the base on, connecting device include the plug-in strip, first connector and second connector, the plug-in strip on be equipped with first connector and the corresponding contact of second connector, first insulator and second insulator top be equipped with fixed chamber, first connector and second connector fixed connection be in fixed intracavity. The utility model prevents foreign matters from entering in the outdoor use process, and is favorable for improving the safety of products.
Description
Technical Field
The utility model relates to the technical field of isolating switches, in particular to a closed isolating switch for outdoor alternating current.
Background
The outdoor installation alternating current switch has following problem usually, and one exists the condition such as the wind of blowing of raining for the open air, leads to water and dust to get into the switch inside easily, arouses the switch short circuit, causes economic loss, and two exist for current switch poor stability, influence the security of the use of switch.
According to the technical scheme of the double-column II-type outdoor three-phase alternating-current high-voltage isolating switch with the CN200720028048.9 self-operated contact finger structure, the GW4 AIII-type double-column horizontal fracture II-type horizontal rotation outdoor three-phase alternating-current high-voltage isolating switch with the self-operated contact finger structure in the power supply system comprises three single poles and a main knife operating device and a ground knife operating device which are connected into a whole; each monopole is of an n-shaped double-column structure comprising a base (1), two post insulators (2), a left contact (3) and a right contact (4), a contact base I (8) fixed with a finger-shaped sheet (9) is arranged on a conducting rod I (7) of the left contact (3), and a contact base II fixed with a square head (11) is arranged on a conducting rod II (10) of the right contact (4); a moving contact (15) of the grounding switch is provided with a contact seat III (17) fixed with a contact piece (18) on a conducting rod III (16), and a fixed contact is fixed with a contact plate (22) on a wire holder (20) of a post insulator (2). It has the structure complicacy, and stability is not high, and the foreign matter appearance gets into the shortcoming in the circuit, consequently needs to have an outdoor alternating current that keeps apart effectually and stability is high at present to seal isolator.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a closed isolating switch for outdoor alternating current, which prevents foreign matters from entering in the outdoor use process and is beneficial to improving the product safety.
The utility model provides an outdoor alternating current is with sealing isolator, includes base, insulator and connecting device, the insulator include first insulator and second insulator, insulator fixed connection be in the base on, connecting device include the plug-in strip, first connector and second connector, the plug-in strip on be equipped with first connector and the corresponding contact of second connector, first insulator and second insulator top be equipped with fixed chamber, first connector and second connector fixed connection be in fixed intracavity.
By adopting the structure, when in use, the two contacts are respectively connected with the first connector and the second connector by closing the knife switch, the two contacts of the knife switch are connected by the metal rod in the knife switch, and the circuit is closed.
Preferably, the first connector and the second connector both comprise a knife switch connecting part and a wiring board, the knife switch connecting part is connected with the wiring board, the knife switch connecting part comprises two U-shaped metal sheets, and the inner sides of the metal sheets are provided with annular contact parts.
Preferably, the contacts comprise metal contacts, the tops of the metal contacts are inclined inwards, and the tops of the metal contacts are respectively contacted with the two U-shaped metal sheets.
By adopting the structure, the U-shaped metal sheet can ensure the connection stability and prevent the broken sand stone from influencing the connection effect, and the structure that the top of the metal contact is inclined inwards can ensure the stable connection between the metal contact and the contact part and improve the connection stability.
Preferably, the outer side of the contact is provided with an annular bump, and the first insulator and the second insulator are provided with an annular groove corresponding to the annular bump.
By adopting the structure, the utility model can seal the fixed cavity and prevent dust and rainwater from entering.
Preferably, the knife switch comprises a rotating part and a fixing part, fixing grooves are formed in the first insulator and the second insulator, the fixing part is connected to the fixing grooves in the second insulator, and the rotating part is hinged to the fixing part.
The utility model adopts the fixed groove, can fix the knife switch on the insulator, and enhances the stability of the utility model.
Preferably, the free end of the knife switch is further provided with a pull ring, the free end of the rotating part is further provided with a fixing block, and the fixing block is connected to the fixing groove of the first insulator.
By adopting the structure, the first insulator and the second insulator can adopt the same die, the cost is reduced, and meanwhile, the first insulator and the second insulator adopt the same die
After the fixing is finished, the stability of the utility model is further enhanced, and the switch blade and the connector are not unstably fixed due to misoperation and external force.
Preferably, an insulating block is arranged outside the fixed end of the wiring board and fixedly connected with the insulator, and an annular clamping groove is formed in the insulating block.
According to the utility model, the annular clamping groove is formed in the insulating block, so that the connection stability of the wiring board and an external circuit can be enhanced through the structure.
Drawings
FIG. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the bottom of the knife blade
FIG. 3 is a schematic structural diagram of the top of the first insulator;
FIG. 4 is a schematic view of the structure at A;
fig. 5 is a schematic structural diagram of an insulating block.
Detailed Description
The utility model is further explained below with reference to specific embodiments.
The utility model provides an outdoor alternating current is with sealing isolator, includes base 1, insulator 2 and connecting device 3, insulator 2 include first insulator 21 and second insulator 22, 2 fixed connection of insulator be in base 1 on, connecting device 3 include plug-in strip 31, first connector 32 and second connector 33, plug-in strip 31 on be equipped with first connector 32 and the corresponding contact 311 of second connector 33, first insulator 21 and second insulator 22 top be equipped with fixed chamber 4, first connector 32 and second connector 33 fixed connection be in fixed chamber 4. First connector 32 and second connector 33 all include plug-in strip connecting portion 6 and wiring board 5, plug-in strip connecting portion 6 and wiring board 5 connect, plug-in strip connecting portion 6 include the sheetmetal 61 of two U-shaped, sheetmetal 61 inboard be equipped with annular contact site 62 of circle. The contact 311 includes two metal contacts 3111, the tops of the metal contacts 3111 are inclined inward, and the tops of the metal contacts 3111 are respectively in contact with the two U-shaped metal sheets 61. The outer side of the contact 311 is provided with an annular bump 7, and the first insulator 21 and the second insulator 22 are provided with an annular groove 8 corresponding to the annular bump 7. The knife switch 31 comprises a rotating part 312 and a fixing part 313, fixing grooves 9 are arranged on the first insulator and the second insulator, the fixing part 313 is connected in the fixing grooves 9 on the second insulator 22, and the rotating part 312 is hinged to the fixing part 313. The free end of the knife blade 31 is further provided with a pull ring 3121, the rotating part 312 is further provided with a fixing block 3122, and the fixing block 3122 is connected to the fixing groove 9 of the first insulator 21. The stiff end of wiring board 5 be equipped with insulating block 51 outward, insulating block 51 with insulator 2 fixed connection, insulating block 51 on be equipped with ring groove 511.
When the utility model is used, the fixed part 313 is inserted into the fixed groove 9 of the insulator 2, the rotating part 312 of the rotating knife switch 31 is closed to enable the two contacts 311 to be respectively connected with the first connecting head 32 and the second connecting head 33, the two contacts 311 of the knife switch 31 are connected through the metal rod in the knife switch 31, the fixed block 3122 is inserted into the fixed groove 9 of the first insulator 21, at the moment, the two wiring boards 5 are connected with an external circuit, and the circuit is closed. The U-shaped metal piece 61 can ensure the stability of connection while also preventing the broken sand from affecting the connection effect, and the structure of the inward inclination of the top of the metal contact 3111 can ensure the stable connection of the metal contact 3111 and the contact portion 62, and the structure of the fixing block 3122 and the knife switch 31 can ensure the stability of the knife switch 31, thereby improving the stability of connection.
Claims (7)
1. The utility model provides an outdoor alternating current is with sealing isolator, includes base, insulator and connecting device, its characterized in that: the insulator include first insulator and second insulator, insulator fixed connection be in the base on, connecting device include plug-in strip, first connector and second connector, the plug-in strip on be equipped with first connector and the corresponding contact of second connector, first insulator and second insulator top be equipped with fixed chamber, first connector and second connector fixed connection be in fixed intracavity.
2. The closed isolating switch for the outdoor alternating current according to claim 1, wherein: first connector and second connector all include plug-in strip connecting portion and wiring board, plug-in strip connecting portion and wiring board connect, plug-in strip connecting portion include the sheetmetal of two U-shaped, the sheetmetal inboard be equipped with annular contact site of circle.
3. The closed isolating switch for the outdoor alternating current according to claim 2, wherein: the contact comprises a metal contact, the top of the metal contact is inclined inwards, and the top of the metal contact is respectively contacted with the two U-shaped metal sheets.
4. A closed isolating switch for outdoor alternating current according to claim 3, characterized in that: the outer side of the contact is provided with an annular convex block, and the first insulator and the second insulator are provided with annular grooves corresponding to the annular convex block.
5. The closed isolating switch for the outdoor alternating current according to claim 4, wherein: the knife switch comprises a rotating part and a fixing part, fixing grooves are formed in the first insulator and the second insulator, the fixing part is connected to the second insulator in the fixing grooves, and the rotating part is hinged to the fixing part.
6. The closed isolating switch for the outdoor alternating current according to claim 5, wherein: the free end of the switch blade is further provided with a pull ring, the free end of the rotating part is further provided with a fixed block, and the fixed block is connected to the inside of the fixed groove of the first insulator.
7. The closed isolating switch for the outdoor alternating current according to claim 6, wherein: the fixed end of the wiring board is externally provided with an insulating block, the insulating block is fixedly connected with the insulator, and the insulating block is provided with an annular clamping groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121693218.1U CN216145539U (en) | 2021-07-25 | 2021-07-25 | Closed isolating switch for outdoor alternating current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121693218.1U CN216145539U (en) | 2021-07-25 | 2021-07-25 | Closed isolating switch for outdoor alternating current |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216145539U true CN216145539U (en) | 2022-03-29 |
Family
ID=80804037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121693218.1U Active CN216145539U (en) | 2021-07-25 | 2021-07-25 | Closed isolating switch for outdoor alternating current |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216145539U (en) |
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2021
- 2021-07-25 CN CN202121693218.1U patent/CN216145539U/en active Active
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