CN218887054U - Mis-touch prevention interlocking device for isolating switch - Google Patents

Abstract

The utility model belongs to the technical field of the isolator, especially, isolator prevents mistake and touches interlocking device, including the switch box, be provided with first conducting block, second conducting block, third conducting block and fourth conducting block in the switch box, first conducting block, second conducting block, third conducting block and fourth conducting block all set up on the inner wall of switch box, and the fourth conducting block links to each other with the second conducting block, and the rotary rod is installed in the outside rotation of switch box, and the equal fixed mounting in the outside of two rotary rods has the handle, all is provided with electrically conductive unit on two rotary rods, is connected with interlocking mechanism between two electrically conductive unit. The utility model discloses a set up the electrically conductive unit and the two handles of mutual linkage for the user can't rotate arbitrary one in two handles alone, thereby avoids the mistake to touch the operation, improves the operation security.

Description

Mis-touch prevention interlocking device for isolating switch

Technical Field

The utility model relates to an isolator technical field especially relates to an isolator prevents mistake and touches interlocking device.

Background

Disconnecting switches (disconnectors), i.e. in the separated position, there are insulation distances and obvious disconnection marks between the contacts which meet the requirements of regulations; a switching device capable of carrying current in normal loop conditions and current in abnormal conditions (e.g., short circuit) for a specified period of time when in the closed position. (IEV 441-14-05). An isolating switch (commonly called a "knife switch") generally refers to a high-voltage isolating switch, i.e. an isolating switch with a rated voltage of 1kV or above, usually referred to as an isolating switch for short, and is one of the most used electrical appliances in high-voltage switching apparatuses.

The existing isolating switch is simple in operation, but the operation safety degree is low, and the safety problem caused by misoperation is easy to occur.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving current isolator and operating safety degree low, take place the maloperation easily and cause the safety problem, and the isolator that proposes prevents mistake and touches interlocking device.

In order to realize the purpose, the utility model adopts the following technical scheme:

disconnecting switch prevents mistake and touches interlocking device, including the switch box, be provided with first conducting block, second conducting block, third conducting block and fourth conducting block in the switch box, first conducting block, second conducting block, third conducting block and fourth conducting block all set up on the inner wall of switch box, and the fourth conducting block links to each other with the second conducting block, and the rotary rod is installed in the outside rotation of switch box, and the equal fixed mounting in the outside of two rotary rods has the handle, all is provided with electrically conductive unit on two rotary rods, is connected with link gear between two electrically conductive units.

Further, the conductive unit includes a convex conductive plate and an insulating pad, the insulating pad is installed at an outer side of the convex conductive plate, and the insulating pad is connected to the rotating rod.

Further, the first conductive block is connected with one of the two convex conductive plates through a wire, and the third conductive block is connected with the other convex conductive plate through another wire.

Further, the linkage mechanism comprises a connecting rod, elliptical holes are formed in two ends of the connecting rod, short shafts are movably arranged in the two elliptical holes, and the two short shafts are fixedly connected with the two insulating pads.

Further, two rotary rods all rotate outward and are provided with solid fixed ring, gu fixed ring is fixed in on the inner wall of switch box.

Further, the inner wall of the fixing ring is provided with an arc-shaped groove, an arc-shaped block is slidably mounted in the arc-shaped groove, an elastic groove is formed in the arc-shaped block, an elastic block is slidably mounted in the elastic groove, and a spring is mounted between the elastic block and the elastic groove.

Furthermore, a first trapezoidal groove and a second trapezoidal groove are formed in the inner wall of the groove, the two sides of the elastic block are obliquely arranged, and the elastic block is matched with the first trapezoidal groove and the second trapezoidal groove.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses a set up the electrically conductive unit and the two handles of mutual linkage for the user can't rotate arbitrary one in two handles alone, thereby avoids the mistake to touch the operation, and the design of connecting rod can form the pulling force among the interlock mechanism, and the user must rotate two handles simultaneously, just can control isolator and switch on, cut off the power supply, has improved the operational safety nature.

Drawings

Fig. 1 is a schematic structural view of an anti-false-touch interlocking device of an isolating switch;

fig. 2 is a side view of the interlock device for preventing the mis-touch of the isolating switch;

fig. 3 is a schematic side sectional structure view of the fixing ring and the rotating rod.

In the figure: 1. a switch box; 2. a first conductive block; 3. a second conductive block; 5. rotating the rod; 6. a handle; 7. a convex conductive plate; 8. an insulating pad; 9. a wire; 10. a third conductive block; 11. a fourth conductive block; 12. a connecting rod; 13. a minor axis; 14. an elliptical hole; 15. a fixing ring; 16. an arc-shaped slot; 17. an arc-shaped block; 18. an elastic block; 19. a spring; 20. a first trapezoidal groove; 21. a second trapezoidal groove.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.

Referring to fig. 1-3, the isolating switch false-touch prevention interlocking device comprises a switch box 1, a first conductive block 2, a second conductive block 3, a third conductive block 10 and a fourth conductive block 11 are arranged in the switch box 1, the first conductive block 2, the second conductive block 3, the third conductive block 10 and the fourth conductive block 11 are all arranged on the inner wall of the switch box 1 and are provided with an insulating plate between the switch box 1 and the inner wall, the fourth conductive block 11 is connected with the second conductive block 3, a rotating rod 5 is installed on the outer side of the switch box 1 in a rotating mode, handles 6 are fixedly installed on the outer sides of the two rotating rods 5, conductive units are arranged on the two rotating rods 5, and the two conductive units are connected with the same interlocking mechanism.

In this embodiment, the conductive unit includes a male conductive plate 7 and an insulating pad 8, the insulating pad 8 is mounted on the outer side of the male conductive plate 7, and the insulating pad 8 is connected to the rotating rod 5.

In this embodiment, the first conductive block 2 and the third conductive block 10 are both provided with wires 9, and the two wires 9 are connected to the two convex conductive plates 7 in a one-to-one correspondence.

In this embodiment, as shown in fig. 2, the linkage mechanism includes a connecting rod 12, two ends of the connecting rod 12 are both provided with elliptical holes 14, short shafts 13 are movably arranged in the two elliptical holes 14, and the two short shafts 13 are fixedly connected with the two insulating pads 8; the interlocking mechanism can ensure that any one handle 6 in the two handles 6 can not be independently rotated, and can avoid mistaken touch operation.

In this embodiment, two fixing rings 15 are fixedly mounted on the inner wall of the switch box 1, and the two rotating rods 5 are rotatably connected with the inner walls of the two fixing rings 15 through bearings.

In this embodiment, as shown in fig. 3, an arc-shaped groove 16 is formed in an inner wall of the fixing ring 15, an arc-shaped block 17 is slidably mounted in the arc-shaped groove 16, an elastic groove is formed in the arc-shaped block 17, an elastic block 18 is slidably mounted in the elastic groove, a spring 19 is mounted between the elastic block 18 and the elastic groove, a first trapezoidal groove 20 and a second trapezoidal groove 21 are formed in the inner wall of the arc-shaped groove 16, both ends of the elastic block 18 are obliquely arranged, and the elastic block 18 is matched with the first trapezoidal groove 20 and the second trapezoidal groove 21; the elastic block 18 is provided with elastic force by the spring 19, so that the elastic block 18 enters the first trapezoidal groove 20 or the second trapezoidal groove 21, and the stability of the rotating rod 5 is ensured.

Working principle, during the use, first conducting block 2 and the second conducting block 3 that set up are used for external electric wire, when needing to use the switch on power supply, design through connecting rod 12 forms the pulling force, it is unable pivoted all to rotate arbitrary one handle 6 in two handles 6 alone, can avoid the mistake to touch the operation, need rotate two handles 6 simultaneously, two handles 6 drive two protruding type current conducting plates 7 through two rotary rods 5 and rotate, two protruding type current conducting plates 7 switch on with third conducting block 10 and fourth conducting block 11 respectively, accomplish the circular telegram, it is rotatory that rotatory handle 6 drives rotary rod 5, arc block 17 slides in arc groove 16, provide elasticity for elastic block 18 through spring 19, make elastic block 18 leave from first dovetail groove 20 and get into in second dovetail groove 21, can guarantee rotary rod 5's stability, and then guarantee electrically conductive stability, during the switch off power supply, two handles 6 of while reverse rotation, make two protruding type 7 separate with third conducting block 10 and fourth conducting block 11 respectively, all structures in this application can be according to the in-service situation carry out the selection of material and length, the adjustment structure chart can be made appropriately.

The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims (7)

1. Disconnecting switch prevents mistake and touches interlocking device, including switch box (1), be provided with first conducting block (2), second conducting block (3), third conducting block (10) and fourth conducting block (11) in switch box (1), its characterized in that, first conducting block (2), second conducting block (3), third conducting block (10) and fourth conducting block (11) all set up on the inner wall of switch box (1), and fourth conducting block (11) link to each other with second conducting block (3), and rotary rod (5) are installed in the outside rotation of switch box (1), and the equal fixed mounting in the outside of two rotary rod (5) has handle (6), all is provided with electrically conductive unit on two rotary rod (5), is connected with linkage between two electrically conductive units.

2. A mis-touch preventing interlock device for a disconnecting switch according to claim 1, wherein the conductive unit comprises a male conductive plate (7) and an insulating pad (8), the insulating pad (8) is installed on the outer side of the male conductive plate (7), and the insulating pad (8) is connected to the rotary rod (5).

3. A disconnector interlock against false touches according to claim 2, characterized in that said first conductive block (2) is connected to one (7) of the two male conductive plates (7) by a wire (9), and the third conductive block (10) is connected to the other male conductive plate (7) by another wire (9).

4. The isolating switch mis-touch preventing interlocking device as claimed in claim 3, wherein the interlocking mechanism comprises a connecting rod (12), elliptical holes (14) are respectively formed at two ends of the connecting rod (12), short shafts (13) are movably arranged in the two elliptical holes (14), and the two short shafts (13) are fixedly connected with the two insulating pads (8).

5. A disconnecting switch mis-touch prevention interlocking device according to any one of claims 1 to 4, wherein a fixing ring (15) is rotatably arranged outside each of the two rotating rods (5), and the fixing ring (15) is fixed on the inner wall of the switch box (1).

6. The isolating switch mis-touch preventing interlocking device as claimed in claim 5, wherein the inner wall of the fixing ring (15) is provided with an arc-shaped groove (16), an arc-shaped block (17) is slidably mounted in the arc-shaped groove (16), an elastic groove is formed in the arc-shaped block (17), an elastic block (18) is slidably mounted in the elastic groove, and a spring (19) is mounted between the elastic block (18) and the elastic groove.

7. The mis-touch prevention interlocking device for the isolating switch according to claim 6, wherein the inner wall of the groove (16) is provided with a first trapezoidal groove (20) and a second trapezoidal groove (21), both sides of the elastic block (18) are obliquely arranged, and the elastic block (18) is matched with the first trapezoidal groove (20) and the second trapezoidal groove (21).

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