CN210866096U

CN210866096U - Outdoor special high-voltage drop-out fuse

Info

Publication number: CN210866096U
Application number: CN201921885696.5U
Authority: CN
Inventors: 陈裕忠; 徐雪昌
Original assignee: Changzhou Wujin Water Conservancy And Electric Equipment Co ltd
Current assignee: Changzhou Wujin Water Conservancy And Electric Equipment Co ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-06-26
Anticipated expiration: 2029-11-05

Abstract

The utility model discloses an outdoor special high pressure drop out fuse, including insulating stay tube, fusion tube, first rain-proof structure, second rain-proof structure, dustproof construction and protective structure, intermediate position one side of insulating stay tube is provided with fixed mounting board, the fusion tube is installed in one side that fixed mounting board was kept away from in insulating stay tube, first rain-proof structure includes rain-proof lid, rain-proof lid is installed in the upper end junction of insulating stay tube and fusion tube, rain-proof structure fixed mounting of second is in the top of insulating stay tube and fusion tube, just the bottom of the rain-proof structure of second is connected with the top of insulating stay tube and the upper end fixed surface of rain-proof lid respectively, the fixed suit of dustproof construction is in the outside of fusion tube. The utility model discloses rain-proof snow and dustproof effect are better, have avoided rain-snow and dust to cause the influence to the work of fuse, and overhaul maintenance work during to the fuse at the staff, and the security is higher, has reduced the potential safety hazard.

Description

Outdoor special high-voltage drop-out fuse

Technical Field

The utility model relates to a fuse field specifically is an outdoor special high pressure drop out fuse.

Background

The fuse is an electric appliance which fuses a melt by heat generated by the fuse when the current exceeds a specified value and disconnects a circuit, the fuse fuses the melt by the heat generated by the fuse after the current exceeds the specified value for a period of time, so that the circuit is disconnected, the variety of the fuses is more, and the outdoor drop-out fuse is also one of the fuses.

However, the existing outdoor fuse has the following disadvantages:

1. holistic rain-proof dustproof effect is relatively poor, and when sleet weather, the rainwater easily gets into to the inside of fusion tube, and when normal weather, the dust easily drifts into the inside of fusion tube, forms the dust and stores up to influence the inside work of fuse, cause the unnecessary loss.

2. When rainy and snowy weather, if workers need to overhaul and maintain the fuse, the rainwater is easy to be conductive, so that the workers get an electric shock, and great potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an outdoor special high-pressure drop out fuse, it is relatively poor to solve the holistic rain-proof dustproof effect of traditional outdoor fuse, when sleet weather, the rainwater easily enters into the inside of fusion tube, and when normal weather, the inside of fusion tube is easily drifted into to the dust, form the dust and store up, thereby influence the inside work of fuse, cause the unnecessary loss, simultaneously when sleet weather, if the staff need overhaul maintenance work to the fuse, the condition that the rainwater is electrically conductive and lead to the staff to electrocute easily appears, there is the problem of great potential safety hazard.

In order to achieve the above object, the utility model provides a following technical scheme: a high-voltage drop-out fuse special for outdoor use comprises an insulating supporting tube, a fusion tube, a first rain-proof structure, a second rain-proof structure, a dust-proof structure and a protective structure, a fixed mounting plate is arranged on one side of the middle position of the insulating support tube, the fusion tube is arranged on one side of the insulating support tube far away from the fixed mounting plate, the first rain-proof structure comprises a rain-proof cover, the rain-proof cover is arranged at the joint of the upper ends of the insulating support tube and the fusion tube, the second rain-proof structure is fixedly arranged above the insulating support tube and the fusion tube, the bottom of the second rain-proof structure is respectively fixedly connected with the top of the insulating supporting tube and the upper end surface of the rain-proof cover, the dustproof structure is fixedly sleeved outside the fusion tube, and the dustproof structure is close to the top of the fusion tube, the protection structure is fixedly arranged between the insulating support tube and the fusion tube, and the protection structure is fixedly connected with the insulating support tube.

Preferably, the rain-proof structure of second includes the flashing board, the bottom of flashing board is provided with two supporting legs, two the supporting leg respectively with the top of insulating support tube and the upper end fixed surface of rain-proof lid is connected for can improve the holistic rain-proof snow effect of fuse through the rain-proof structure of second.

Preferably, the flashing board adopts insulating material to make, just be inclined plane type design around the flashing board for the flashing board can be derived the sleet outside the scope of fuse through inclined plane all around.

Preferably, dustproof construction includes annular dirt proof boot, the fixed cover of annular dirt proof boot is adorned in the outside of fusion tube, just annular dirt proof boot is close to in the top of fusion tube for can improve the dustproof effect at fusion tube top through dustproof construction.

Preferably, when the top of the fusion tube is in contact with the insulating supporting tube, the periphery of the top of the annular dustproof sleeve is abutted to the lower end surface of the rainproof cover, so that the dustproof effect of the annular dustproof sleeve on the top of the fusion tube is further improved.

Preferably, protective structure includes guard plate and connecting rod, the guard plate is the cambered surface type, the guard plate is the one end fixed connection of sunken cambered surface type one side and connecting rod, the connecting rod is kept away from the one end of guard plate and is close to the fixed position connection in the middle with the insulating support tube, just the guard plate is located between insulating support tube and the fusion tube, the guard plate adopts insulating material to make for can reduce the potential safety hazard of staff when carrying out fuse maintenance and repair work through protective structure.

The utility model provides an outdoor special high-pressure drop out fuse possesses following beneficial effect:

(1) the utility model discloses a through being provided with first rain-proof structure, second rain-proof structure and dustproof construction, including rain-proof cover, flashing board and annular dirt proof boot, make in sleet weather, can block the isolation to sleet through the flashing board, then lead out sleet to outside the scope of fuse through the sloping all around of flashing board, the sleet is effectively avoided wafting to the surface of fuse, and can further carry out further blocking isolation to sleet that a little wafts to the junction of insulating support tube and fusion tube upper end through the flashing cover, thereby avoid sleet to enter the junction of insulating support tube and fusion tube top, because the junction of insulating support tube and fusion tube top generally is equipped with the power line, further avoided the sleet to cause the influence to the fuse, simultaneously, when the fuse works under normal weather, can pass through the butt of annular dirt proof boot and the lower extreme surface of rain-proof cover, the fuse tube has the advantages that the external dust can be isolated and blocked, the dust is prevented from flying into the fuse tube from the top of the fuse tube to form accumulation, the dust is effectively prevented from accumulating in the fuse tube to influence the work of the fuse, and then unnecessary loss is avoided.

(2) The utility model discloses a be provided with protective structure, including guard plate and connecting rod, make to maintain the maintenance during operation to the fuse at sleet weather staff, can hold insulating stay tube with a hand, the maintenance work is carried out to another hand, and can be through the guard plate that adopts rubber materials to make, the hand of holding insulating stay tube with the staff blocks with the fuse-tube completely isolated, thereby the hand and the fuse-tube of having avoided the staff touch, and simultaneously, the intraduct fuse-wire of having avoided the fuse-tube forms electrically conductively and leads to the fact the accidental injury to the staff through sleet, then greatly reduced the potential safety hazard when the fuse uses.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic view of the installation of the annular dust-proof cover of the present invention;

fig. 4 is the installation schematic diagram of the protection plate of the present invention.

In the figure: 1. an insulating support tube; 2. a fusion tube; 3. fixing the mounting plate; 4. a rain cover; 5. a flashing board; 6. supporting legs; 7. an annular dust cover; 8. a protection plate; 9. a connecting rod.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-4, the utility model provides a technical solution: a special outdoor high-voltage drop-out fuse comprises an insulating supporting tube 1, a fusion tube 2, a first rainproof structure, a second rainproof structure, a dustproof structure and a protective structure, wherein a fixed mounting plate 3 is arranged on one side of the middle position of the insulating supporting tube 1, the fusion tube 2 is mounted on one side, far away from the fixed mounting plate 3, of the insulating supporting tube 1, the first rainproof structure comprises a rainproof cover 4, the rainproof cover 4 is mounted at the joint of the upper ends of the insulating supporting tube 1 and the fusion tube 2, the second rainproof structure is fixedly mounted above the insulating supporting tube 1 and the fusion tube 2, the bottom of the second rainproof structure is fixedly connected with the top of the insulating supporting tube 1 and the surface of the upper end of the rainproof cover 4 respectively, the dustproof structure is fixedly mounted outside the fusion tube 2, the dustproof structure is close to the top of the fusion tube 2, the protective structure is fixedly mounted between the insulating supporting tube 1 and the fusion tube 2, and the protective structure is fixedly connected with the insulating support tube 1.

The second rainproof structure comprises a rainproof plate 5, two supporting legs 6 are arranged at the bottom of the rainproof plate 5, and the two supporting legs 6 are respectively and fixedly connected with the top of the insulating supporting tube 1 and the upper end surface of the rainproof cover 4, so that rain and snow can be blocked and isolated through the rainproof plate 5, and the rain and snow can be effectively prevented from flying to the surface of the fuse;

the rainproof plate 5 is made of an insulating material, and the periphery of the rainproof plate 5 is designed in an inclined plane shape, so that rain and snow can be guided out of the range of the fuse through the inclined plane at the periphery of the rainproof plate 5, and the rainproof and snow effect of the rainproof plate 5 is further improved;

the dustproof structure comprises an annular dustproof sleeve 7, the annular dustproof sleeve 7 is fixedly sleeved outside the fusion tube 2, and the annular dustproof sleeve 7 is close to the top end of the fusion tube 2, so that dust outside the annular dustproof sleeve 7 can be isolated and blocked, and the dust is prevented from floating into the fusion tube 2 from the top of the fusion tube 2 to form accumulation;

when the top of the fusion tube 2 is in contact with the insulating support tube 1, the periphery of the top of the annular dustproof sleeve 7 is abutted against the lower end surface of the rainproof cover 4, so that the dustproof effect of the annular dustproof sleeve 7 is further improved;

protective structure includes guard plate 8 and connecting rod 9, guard plate 8 is the cambered surface type, guard plate 8 is sunken cambered surface type one side and the one end fixed connection of connecting rod 9, connecting rod 9 is kept away from in guard plate 8's one end and insulating support tube 1 and is close to the position fixed connection in the middle of, just guard plate 8 is located between insulating support tube 1 and fusion tube 2, guard plate 8 adopts insulating material to make for can block isolated with the fusion tube through the guard plate 8 that adopts rubber materials to make, hold the hand of insulating support tube 1 with the staff, thereby avoided staff's hand and fusion tube to touch, simultaneously, avoided the inside fuse wire of fuse tube to form electrically conductive and cause the accidental injury to the staff through sleet.

The working principle is as follows: in rainy and snowy weather, rain and snow can be blocked and isolated through the rain-proof plate 5, then the rain and snow can be guided out of the range of the fuse through the inclined planes around the rain-proof plate 5, the rain and snow are effectively prevented from flying to the surface of the fuse, and the rain and snow which slightly flies to the joint of the insulating support tube 1 and the upper end of the fusion tube 2 can be further blocked and isolated through the rain-proof cover 4, so that the rain and snow are prevented from entering the joint of the insulating support tube 1 and the top of the fusion tube 2, because the joint of the insulating support tube 1 and the top of the fusion tube 2 is generally provided with a power circuit, the influence of the rain and snow on the fuse is further avoided, meanwhile, when the fuse works in normal weather, the fuse can be abutted against the lower end surface of the annular dustproof sleeve 7 and the rain-proof cover 4, so that external dust can be blocked, and the dust is prevented from flying from the top of the fusion tube 2 into the interior of the fusion, and when the fuse is maintained and overhauled by workers in rainy and snowy weather, the insulating supporting tube 1 can be held by one hand, the maintenance and overhaul work can be carried out by the other hand, the hands holding the insulating supporting tube 1 by the workers can be isolated from the fuse tube by the aid of the protection plate 8 made of rubber materials, so that the hands of the workers are prevented from contacting the fuse tube, and meanwhile, the fuse wire in the fuse tube is prevented from being electrically conducted through rain and snow formation to cause accidental injury to the workers.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an outdoor special high-pressure drop out fuse, includes insulating stay tube (1), fusion tube (2), first rain-proof structure, second rain-proof structure, dustproof construction and protective structure, its characterized in that: a fixed mounting plate (3) is arranged on one side of the middle position of the insulating support tube (1), the fusion tube (2) is arranged on one side of the insulating support tube (1) far away from the fixed mounting plate (3), the first rain-proof structure comprises a rain-proof cover (4), the rain-proof cover (4) is arranged at the joint of the upper ends of the insulating support tube (1) and the fusion tube (2), the second rain-proof structure is fixedly arranged above the insulating support tube (1) and the fusion tube (2), the bottom of the second rain-proof structure is respectively fixedly connected with the top of the insulating supporting tube (1) and the upper end surface of the rain-proof cover (4), the dustproof structure is fixedly sleeved outside the fusion tube (2), and the dustproof structure is close to the top of the fusion tube (2), the protection structure is fixedly installed between the insulation supporting tube (1) and the fusion tube (2), and the protection structure is fixedly connected with the insulation supporting tube (1).

2. The high-voltage drop-out fuse special for outdoor use according to claim 1, wherein: the second rainproof structure comprises a rainproof plate (5), two supporting legs (6) are arranged at the bottom of the rainproof plate (5), and the supporting legs (6) are fixedly connected with the top of the insulating supporting tube (1) and the upper end surface of the rainproof cover (4) respectively.

3. The high-voltage drop-out fuse special for outdoor use according to claim 2, wherein: the rainproof plate (5) is made of an insulating material, and the periphery of the rainproof plate (5) is designed in an inclined plane shape.

4. The high-voltage drop-out fuse special for outdoor use according to claim 1, wherein: the dustproof structure comprises an annular dustproof sleeve (7), the annular dustproof sleeve (7) is fixedly sleeved outside the fusion tube (2), and the annular dustproof sleeve (7) is close to the top end of the fusion tube (2).

5. The high-voltage drop-out fuse special for outdoor use according to claim 1, wherein: when the top of the fusion tube (2) is in contact with the insulating support tube (1), the periphery of the top of the annular dustproof sleeve (7) is abutted against the lower end surface of the rainproof cover (4).

6. The high-voltage drop-out fuse special for outdoor use according to claim 1, wherein: protective structure includes guard plate (8) and connecting rod (9), guard plate (8) are the cambered surface type, guard plate (8) are the one end fixed connection of sunken cambered surface type one side and connecting rod (9), connecting rod (9) are kept away from the one end of guard plate (8) and are close to middle position fixed connection with insulating support pipe (1), just guard plate (8) are located between insulating support pipe (1) and fusion tube (2), guard plate (8) adopt insulating material to make.