CN214175916U

CN214175916U - Isolating switch

Info

Publication number: CN214175916U
Application number: CN202022647715.XU
Authority: CN
Inventors: 王柱
Original assignee: Zhejiang Xudian Electric Power Equipment Co ltd
Current assignee: Zhejiang Xudian Electric Power Equipment Co ltd
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-09-10
Anticipated expiration: 2030-11-16

Abstract

The utility model relates to an isolating switch, which comprises a fixed seat, two porcelain sleeve seats and an insulating porcelain sleeve, wherein a fixed rod is arranged between the porcelain sleeve seats; one end of the insulating porcelain sleeve is provided with a connecting terminal, one side of the insulating porcelain sleeve opposite to the two connecting terminals is respectively provided with a conductive plate in an extending way, a transmission part is arranged between the two conductive plates, the outside of the transmission part is provided with a protective cover, the protective cover comprises a side plate and a blocking cover, the blocking cover is provided with a guide rod which is fixedly connected and a connecting strip which is rotatably connected, one end of the connecting strip, which is far away from the blocking cover, is provided with a bearing, and the inner wall of the side plate is provided with a guide groove for accommodating and; the inner wall of the side plate is provided with an asbestos net layer. This isolator structural design is reasonable simple, has prevented through the outside protection casing that sets up of transmission part that the rainwater whereabouts from drenching the transmission part, is equipped with the drier layer between curb plate inner wall and asbestos gauge layer, guarantees that transmission part does not receive humid air influence and rust in the protection casing.

Description

Isolating switch

Technical Field

The utility model belongs to the technical field of the electrical equipment technique and specifically relates to an isolator.

Background

The isolating switch is one of the most used high-voltage switching electric appliances and plays an isolating role in a circuit. The working principle and the structure are simple, and the application range is wide. The existing isolating switch is mostly installed outdoors, and due to the influence of the operating environment, the transmission part of the isolating switch can rust due to rain or air humidity and the like, so that the switch cannot be normally opened and closed, the transmission mechanism is difficult to transmit, and short circuit is easy to occur.

SUMMERY OF THE UTILITY MODEL

To the not enough in the background art, the utility model provides an isolator to overcome above defect.

The utility model provides a technical scheme that its technical problem adopted is:

an isolating switch comprises a base, a porcelain sleeve base arranged on a fixed base and an insulating porcelain sleeve arranged on the porcelain sleeve base, wherein the number of the insulating porcelain sleeve and the porcelain sleeve base is two respectively, and a fixed rod is arranged between the porcelain sleeve bases; one end, far away from the base, of the insulating ceramic sleeve is provided with a connecting terminal, one side, opposite to the two connecting terminals, of each connecting terminal is respectively provided with a conducting plate in an extending mode, a transmission part is arranged between the two conducting plates, a protective cover is arranged outside the transmission part and comprises a side plate and a blocking cover, the side plate is connected in an annular mode, the blocking cover is arranged above the side plate and is provided with a guide strip and a connecting strip, the guide strip is fixedly connected with the connecting strip, the connecting strip is rotatably connected with the connecting strip, one end, far away from the blocking cover, of the connecting strip is provided with a bearing, and the inner wall of the side plate is provided with a guide groove and an L-shaped groove, wherein the guide groove is used for accommodating and sliding the guide strip; the inner wall of the side plate is also provided with an asbestos filter screen, and a drying agent layer is arranged between the asbestos filter screen and the inner wall of the side plate.

The transmission part comprises a knife blade with one end hinged at the end of one of the conductive plates and a locking plate fixed at the end of the other conductive plate.

The baffle cover is pyramid-shaped, the edge of the baffle cover extends out of the annular side plate, the top of the baffle cover is provided with a handle, and one side of the baffle cover, which is close to the waterproof protective cover, is provided with an annular groove which is attached to the annular side plate in shape.

The connecting strips are provided with two connecting strips, and the bearings on the connecting strips are respectively arranged on the inner walls of the opposite side plates.

And the asbestos filter screen is provided with holes opposite to the L-shaped grooves and a guide slot hole.

Owing to adopted above-mentioned technical scheme, the effectual current outdoor isolator that has improved problem that the transmission part rusts easily because of humidity problems such as rainwater, this isolator structural design is reasonable simple, has prevented through the transmission part outside that the protection casing from having set up that the rainwater whereabouts from drenching the transmission part, is equipped with the drier layer between curb plate inner wall and asbestos filter screen, guarantees that the transmission part does not receive the humid air influence and rust in the protection casing.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the internal structure of the shield.

Fig. 3 is a schematic structural view of the inner wall of the side plate 2 on the left side of the shield.

FIG. 1, base; 11. an insulating ceramic sleeve; 12. fixing the rod; 13. a connection terminal; 14. A porcelain bushing seat; 15. a conductive plate; 2. a side plate; 21. a guide groove; 22. an L-shaped groove; 24. An asbestos screen; 3. a blocking cover; 31. conducting bars; 32. a connecting strip; 33. a bearing; 34. a handle; 35. an annular groove; 41. a locking plate; 42. a knife switch.

Detailed Description

Referring to fig. 1 in conjunction with fig. 2 and 3, the present invention: the utility model provides an isolating switch, includes base 1, sets up porcelain bushing seat 14 on unable adjustment base 1 and sets up the insulating porcelain sleeve 11 on porcelain bushing seat 14, insulating porcelain sleeve 11 and porcelain bushing seat 14 set up two, its characterized in that respectively: a fixed rod 12 is arranged between the porcelain sleeve seats 14, and the fixed rod 12 plays a role in strengthening and stabilizing the two insulating porcelain sleeves 11 so as to avoid deformation caused by wind and rain; one end, far away from the base 1, of the insulating ceramic sleeve 11 is provided with a connecting terminal 13, one side, opposite to the two connecting terminals 13, of each connecting terminal is provided with a conducting plate 15 in an extending mode, a transmission part is arranged between the two conducting plates 15, a protective cover is arranged outside the transmission part and comprises a side plate 2 and a blocking cover 3, the side plate 2 is connected in an annular mode, the blocking cover 3 is arranged above the side plate 2, a guide strip 31 and a connecting strip 32 are fixedly connected with the blocking cover 3 in a rotating mode, one end, far away from the blocking cover 3, of the connecting strip 32 is provided with a bearing 33, and the inner wall of the side plate 2 is provided with a guide groove 21 for containing and sliding the guide strip 31 and an L-shaped groove 22 for containing and sliding the bearing 33; an asbestos filter screen 24 is further arranged on the inner wall of the side plate 2, and a drying agent layer (not shown in the figure) is arranged between the asbestos filter screen 24 and the inner wall of the side plate 2. Preferably, the desiccant is calcium chloride desiccant.

The transmission part includes a blade 42 having one end hinged to an end of one of the conductive plates 15 and a locking plate 41 fixed to an end of the other conductive plate 15, the blade 42 being rotatably held at its end between the locking plates 41 and being in contact with the locking plates 41. The latch plate 41 is a U-shaped piece, and the conductive plate 15 is disposed in the U-shaped piece and is in contact with the U-shaped piece, i.e., is conducted. Preferably, the protective cover is fixed on the two conductive plates 15, as shown in fig. 2, the two conductive plates 15 penetrate through the side plate 2, and a sealing gasket (not shown) is disposed at a contact position of the conductive plate 15 and the side plate, and the sealing gasket is made of tetrafluoro material. The protection casing still includes the bottom plate relative with fender lid 3, bottom plate and 2 fixed connection of curb plate, and both select for use the same material.

The baffle cover 3 is pyramid-shaped, the annular side plate 2 extends out of the edge of the baffle cover 3, a lifting handle 34 is arranged at the top of the baffle cover 3, and an annular groove 35 which is attached to the annular side plate 2 in shape is arranged on one side, close to the waterproof protection cover, of the baffle cover 3. The annular groove 35 functions to position the flap 3 while preventing rainwater from flowing into the waterproof protective cover from the edge of the flap 3.

The connecting strips 32 are provided with two connecting strips, and the bearings 33 on the connecting strips are respectively arranged on the inner walls of the opposite side plates 2.

The asbestos filter net 24 is provided with holes opposite to the L-shaped grooves 22 and holes corresponding to the guide grooves 21.

Specifically, as shown in fig. 1, the connection terminal 13 is used for connecting an external wire, and the base 1 is used for fixing the isolating switch. As shown in fig. 2, the contact between the knife 42 and the locking plate 41 realizes the conduction of the isolating switch. When the protective cover needs to be opened, the blocking cover 3 is firstly lifted up through the handle 34 to be away from the side plate 2, in the process, the guide strip 31 slides along the guide groove 21, and as shown in the attached drawing 3, the connecting strip 32 gradually inclines from the long edge of the L-shaped groove 22 in a sliding manner until the connecting strip 32 falls into the short edge of the L-shaped groove 22, and the blocking cover 3 is in an opened state, and the force applied to the handle 34 is released.

The utility model discloses the effectual current outdoor isolator that has improved is because of the easy rusty problem of humidity problem transmission parts such as rainwater, and this isolator structural design is reasonable simple, has prevented through the transmission part outside that the protection casing from rainwater whereabouts from drenching the transmission part, is equipped with the drier layer between 2 inner walls of curb plate and asbestos filter screen 24, guarantees that the transmission part does not receive the humid air influence and rust in the protection casing.

The skilled person should understand that: although the present invention has been described in terms of the above embodiments, the inventive concepts are not limited to the embodiments, and any modifications that utilize the inventive concepts are intended to be included within the scope of the appended claims.

Claims

1. The utility model provides an isolating switch, includes base (1), sets up porcelain bushing seat (14) on unable adjustment base (1) and sets up insulating porcelain sleeve (11) on porcelain bushing seat (14), insulating porcelain sleeve (11) and porcelain bushing seat (14) set up two, its characterized in that respectively: a fixed rod (12) is arranged between the porcelain sleeve seats (14); one end, far away from base (1), of insulating porcelain sleeve (11) is equipped with connecting terminal (13), and one side that two connecting terminal (13) are relative is prolonged respectively and is equipped with current conducting plate (15), be equipped with transmission part between two current conducting plates (15), the transmission part outside is equipped with the protection casing, the protection casing includes curb plate (2) that the annular is connected and sets up fender lid (3) above curb plate (2), is equipped with fixed connection's conducting strip (31) and rotation connection's connecting strip (32) on fender lid (3), the one end that keeps away from fender lid (3) of connecting strip (32) is equipped with bearing (33), the inner wall of curb plate (2) is equipped with guide slot (21) that supply conducting strip (31) holding and slip and L shape recess (22) that supply bearing (33) holding and slip; an asbestos filter screen (24) is further arranged on the inner wall of the side plate (2), and a drying agent layer is arranged between the asbestos filter screen (24) and the inner wall of the side plate (2).

2. The isolating switch of claim 1, wherein: the transmission part comprises a knife switch (42) with one end hinged at the end of one conductive plate (15) and a locking plate (41) fixed at the end of the other conductive plate (15).

3. A disconnector according to claim 1, characterized in that: keep off lid (3) and be pyramid form, keep off the edge of lid (3) and extend annular curb plate (2), keep off the top of lid (3) and be equipped with handle (34), keep off lid (3) and be close to one side of waterproof safety cover and be equipped with annular groove (35) of laminating mutually with annular curb plate (2) shape.

4. A disconnector according to claim 1, characterized in that: the two connecting strips (32) are arranged, and the bearings (33) on the two connecting strips are respectively arranged on the inner walls of the opposite side plates (2).

5. A disconnector according to claim 1, characterized in that: and the asbestos filter screen (24) is provided with holes opposite to the L-shaped groove (22) and holes of the guide groove (21).