CN214672456U

CN214672456U - Fuse type isolating switch insulating plate

Info

Publication number: CN214672456U
Application number: CN202120780672.4U
Authority: CN
Inventors: 李强; 李世旭
Original assignee: Liaoning Dongda Technology Co ltd
Current assignee: Liaoning Dongda Technology Co ltd
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-11-09
Anticipated expiration: 2031-04-16

Abstract

The utility model belongs to the technical field of fuse formula isolator and specifically relates to a fuse formula isolator insulation board, the insulation board body includes upper end plate, intermediate lamella and lower end plate, and wherein the upper end plate is the L type and buckles the end and form the pull ring, is equipped with the hole of hanging of plucking of slope in the intermediate lamella, just the side of inserting of plucking the hole is equipped with spacing guide way, and the insulator spindle inserts when plucking the string to the cutter body in plucking the hole, and the insulator spindle front end be equipped with the gag lever post with spacing guide way offsets. The utility model discloses it is integrative to press pull ring and insulation board by insulating material to the collection draws to close, plucks to hang, connects, increases the creep distance as an organic whole, not only avoids the electrically conductive potential safety hazard that produces completely, and the installation is also very convenient, and utilizes the plucking hole at insulation board body middle part to replace the metal to pluck the couple, and the cutter body is plucked and is hung convenient safety more.

Description

Fuse type isolating switch insulating plate

Technical Field

The utility model belongs to the technical field of fuse formula isolator and specifically relates to a fuse formula isolator insulation board.

Background

The fuse type isolating switch is suitable for distribution lines with 50Hz alternating current and 500V rated voltage or below, is used for short-circuit protection and overload protection of the low-voltage side of the transformer, and can switch on and off no-load transformers, no-load lines and rated working current under certain conditions. As shown in fig. 5, the fuse type disconnecting switch in the prior art includes a switching-on/off operation pull ring and a hook for hooking and unhooking a cutter body, the pull ring and the hook are both made of metal materials, and are connected with the cutter body or an insulating plate in a fixing manner such as riveting or bolts, the assembly process is complex, the process is multiple, the metal materials are conductive, metal elements such as the pull ring and the hook are exposed in the air, once sundries or branches fall off and are lapped on an exposed conductive part to easily form a short circuit, and power failure accidents caused by various foreign matters also frequently occur, which also affects the production life of related industries.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fuse formula isolator insulation board presses pull ring and insulation board into an organic whole by insulating material to the collection draws to close, plucks to hang, connects, increases the creep distance as an organic whole, not only avoids electrically conductive potential safety hazard that produces completely, and it is also very convenient to install, and utilizes the pluck hole at insulation board body middle part to replace the metal to pluck the couple, and the cutter body is plucked and is hung convenient safety more.

The purpose of the utility model is realized through the following technical scheme:

the utility model provides a fuse formula isolator insulation board, the insulation board body includes upper end plate, intermediate lamella and lower end plate, and wherein the upper end plate is the L type and buckles the end and form the pull ring, is equipped with the hole of hanging of plucking of slope in the intermediate lamella, just the side of inserting of plucking the hole is equipped with spacing guide way, and an insulator spindle inserts when plucking the hanging to the cutter body in plucking the hole, and the insulator spindle front end be equipped with the gag lever post with spacing guide way offsets.

And the two sides of the middle plate are provided with convex parts along the inclined direction of the picking and hanging holes.

The thickness of the middle plate is larger than that of the upper end plate and the lower end plate.

And the upper end plate and the lower end plate are both provided with connecting and mounting holes.

The front end of the insulating rod is provided with an inserting rod, the middle part of the inserting rod is provided with the limiting rod, and the inserting rod is inserted into the hanging picking hole when the cutter body is picked and hung.

The utility model discloses an advantage does with positive effect:

1. the utility model discloses it is integrative to press pull ring and insulation board by insulating material to the collection draws to close, plucks to hang, connects, increases the creep distance as an organic whole, not only avoids the electrically conductive potential safety hazard that produces completely, and the installation is also very convenient, and utilizes the plucking hole at insulation board body middle part to replace the metal to pluck the couple, and the cutter body is plucked and is hung convenient safety more.

2. The utility model discloses utilize the hole of plucking at insulation board body middle part to replace the metal to pluck the couple to utilize an insulator spindle to pluck the cutter body and hang, the inserted bar of insulator spindle front end inserts and plucks in the hole of hanging, and the inserted bar middle part vertically gag lever post then offsets with spacing guide way, guarantees to pluck smoothly and hangs simultaneously, also avoids the cutter body reversal to fall.

Drawings

FIG. 1 is a schematic view of the assembled components of the present invention, such as a hook,

figure 2 is a perspective view of the present invention,

figure 3 is a cross-sectional view of the invention of figure 2,

FIG. 4 is a schematic diagram of the hanging/releasing state of the present invention in FIG. 2,

fig. 5 is a schematic diagram of an insulating plate structure of a fuse type disconnecting switch in the prior art.

Wherein, 1 is the insulation board body, 101 is the top plate, 102 is the intermediate lamella, 103 is the bottom end plate, 2 is the pull ring, 3 is for plucking the hanging hole, 4 is spacing guide way, 5 is the insulator spindle, 501 is the inserted bar, 502 is the gag lever post, 6 is the bulge, 7 is the connection mounting hole.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1-4, the utility model discloses press pull ring 2 and insulation board into an organic whole by insulating material and form insulation board body 1, insulation board body 1 includes top plate 101, intermediate lamella 102 and lower end plate 103 three, and wherein top plate 101 is the L type and buckles one end and be equipped with the through-hole and form pull ring 2, intermediate lamella 102 thickness are greater than top plate 101 and lower end plate 103 thickness, as shown in fig. 3-4, be equipped with the hole 3 of hanging of plucking of slope in the intermediate lamella 102, just the side of inserting of plucking hole 3 is equipped with spacing guide way 4, spacing guide way 4 with it is perpendicular to pluck hole 3, in order to guarantee to pluck hole 3 aperture, intermediate lamella 102 both sides are equipped with bulge 6 along plucking hole 3 incline direction, bulge 6 increases the creep distance simultaneously. The utility model discloses what utilize insulation board body 1 middle part to set up plucks hanging hole 3 and replaces the metal among the prior art shown in fig. 5 to it hangs to utilize 5 insulator spindles to pluck the cutter body, as shown in fig. 4, 5 front ends of insulator spindles are equipped with inserted bar 501 and insert when plucking hanging pluck in the hanging hole 3, and inserted bar 501 middle part be equipped with vertically gag lever post 502 with spacing guide way 4 offsets, falls in order to avoid the cutter body reversal.

As shown in fig. 2, the upper end plate 101 and the lower end plate 103 are provided with connecting and mounting holes 7 for mounting corresponding components.

The utility model discloses a theory of operation does:

as shown in fig. 5, the fuse type disconnecting switch in the prior art includes a pull ring and a hook, both the pull ring and the hook are made of metal materials, and are connected with a knife body or an insulating plate through fixing modes such as riveting or bolts, so that the assembly process is complex, the number of working procedures is large, the metal materials are conductive, and potential safety hazards are easy to generate.

As shown in fig. 1-4, the utility model discloses press pull ring 2 and insulation board into an organic whole by insulating material and form insulation board body 1, both simplified the process, easy to assemble, also can avoid the electrically conductive potential safety hazard that produces completely to offer at insulation board body 1 middle part and pluck the hole of hanging 3 and replace the metal among the prior art and pluck the couple, and utilize an insulator spindle 5 to pluck the hanging to the body, the inserted bar 501 of insulator spindle 5 front end inserts and plucks in the hole of hanging 3, inserted bar 501 middle part vertically gag lever post 502 then with spacing guide way 4 offsets, guarantees to pluck smoothly and hangs simultaneously, also avoids the cutter body reversal to fall, plucks hole of hanging 3 apertures in addition for the assurance, intermediate plate 102 both sides are equipped with bulge 6 along plucking hole of hanging 3 incline direction, bulge 6 increases the creep distance simultaneously.

Claims

1. The utility model provides a fuse formula isolator insulation board which characterized in that: insulation board body (1) includes top plate (101), intermediate lamella (102) and bottom end plate (103), and wherein top plate (101) are the L type and buckle the end and form pull ring (2), is equipped with the hanging hole (3) of plucking of slope in intermediate lamella (102), just the side of inserting of plucking hanging hole (3) is equipped with spacing guide way (4), inserts when plucking the hanging to the cutter body an insulator spindle (5) in plucking hanging hole (3), and insulator spindle (5) front end be equipped with gag lever post (502) with spacing guide way (4) offset.

2. A fused disconnect switch insulator plate as defined in claim 1, wherein: and the two sides of the middle plate (102) are provided with bulges (6) along the inclined direction of the hanging picking hole (3).

3. A fused disconnect switch insulator plate as defined in claim 1, wherein: the thickness of the middle plate (102) is larger than that of the upper end plate (101) and the lower end plate (103).

4. A fused disconnect switch insulator plate as defined in claim 1, wherein: and the upper end plate (101) and the lower end plate (103) are both provided with connecting and mounting holes (7).

5. A fused disconnect switch insulator plate as defined in claim 1, wherein: the front end of the insulating rod (5) is provided with an insert rod (501), the middle of the insert rod (501) is provided with the limiting rod (502), and the insert rod (501) is inserted into the hanging picking hole (3) when the cutter body is picked and hung.