Isolation circuit breaker on environment-friendly cabinet

Abstract

The utility model discloses an isolation circuit breaker on an environment-friendly cabinet, which comprises a rack, an isolation switch arranged above the inner side of the rack, a plurality of solid-sealed polar poles arranged on the rack, a circuit breaker main shaft separated from the rack, and a cam which is arranged on the circuit breaker main shaft and can rotate along with the circuit breaker main shaft, a plurality of insulating umbrella skirts are detachably installed on the outer side of the circuit breaker main shaft, each insulating umbrella skirt comprises two umbrella skirt parts, fixing parts are integrally formed on the two umbrella skirt parts, clamping hooks are integrally formed on the adjacent sides of the two umbrella skirt parts, L-shaped grooves matched with the clamping hooks are formed in the umbrella skirt parts, and concave parts are arranged on the outer sides of the fixing parts. According to the utility model, the insulating umbrella skirt is arranged to be two separated umbrella skirt parts, so that when the insulating umbrella skirt is replaced, the insulating umbrella skirt can be directly disassembled from the side surface of the main shaft of the circuit breaker, parts on the main shaft of the circuit breaker do not need to be disassembled, the convenience of replacing the insulating umbrella skirt is greatly improved, and the operation time is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to switchgear technical field, concretely is a kind of isolation circuit breaker on environmental protection cabinet. BACKGROUND

[0002] Environmental protection cabinet usually adopts dry air as main insulating medium, and composite insulation structure combining with solid insulation in internal vacuum arc-extinguishing chamber, this design reduces the dependence on traditional SF6 greenhouse gas, thereby reducing the influence on environment, with the increasing attention of state to environmental pollution, environmental protection cabinet is gradually widely used in power system, circuit breaker and disconnecting switch are important equipment in environmental protection cabinet, disconnecting switch is installed on the switch above circuit breaker.

[0003] The existing environmental protection cabinet adopts dry air as main insulating medium, and air is worse than traditional SF6 gas in insulating property, so insulation umbrella skirt is usually installed on the main shaft of circuit breaker in environmental protection cabinet to enhance insulation property and improve safety, such as the patent with Chinese application number 202322859555.9 discloses a kind of environmental protection cabinet circuit breaker switch, the utility model is provided with several insulation umbrella skirts between solid-sealed pole on main shaft, to improve insulation property, however, insulation umbrella skirt is integrated structure, can only be disassembled from the both ends of main shaft, when insulation umbrella skirt needs to be replaced due to damage, multiple components on main shaft need to be disassembled, and the procedure is very tedious, wasting a lot of time. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of isolation circuit breaker on environmental protection cabinet to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of isolation circuit breaker on environmental protection cabinet, including rack, disconnecting switch installed on the upper side of the inner side of rack, several solid-sealed poles arranged on rack, circuit breaker main shaft separately arranged with rack, and cam installed on circuit breaker main shaft can rotate with circuit breaker main shaft, the outer side of circuit breaker main shaft is detachably installed with multiple insulation umbrella skirts, the insulation umbrella skirt includes two umbrella skirt parts, the upper of two umbrella skirt parts is integrally formed with fixed part, the side adjacent to two umbrella skirt parts is integrally formed with clasp, the inside of umbrella skirt part starts with L-shaped slot matched with the clasp, the outer side of fixed part is equipped with recessed part, the recessed part is equipped with elastic ring, the inner side of elastic ring is equipped with multiple ring-shaped equidistant distribution clamping blocks, the recessed part is equipped with clamping groove matched with the clamping block, and installation slot is equipped between adjacent fixed parts.

[0006] As a preferred scheme of the utility model, the side of elastic ring is provided with opening.

[0007] As a preferred scheme of the utility model, the cross section of the mounting groove and the circuit breaker main shaft is hexagonal.

[0008] As a preferred scheme of the utility model, the insulation umbrella skirt and the cam are arranged at intervals.

[0009] As a preferred scheme of the utility model, the material of the elastic ring is insulating plastic, and the materials of the umbrella skirt part, the fixed part and the hook are silicone rubber.

[0010] Compared with the prior art, the utility model has the beneficial effects that: the utility model sets the insulation umbrella skirt into two separated umbrella skirt parts, so that when the insulation umbrella skirt is replaced, it can be directly disassembled from the side of the circuit breaker main shaft, without disassembling the parts on the circuit breaker main shaft, greatly improving the convenience of replacing the insulation umbrella skirt, saving operation time, and through the setting of the hook, the L-shaped groove, the elastic ring, the clamping block and the clamping groove, the two umbrella skirt parts can be connected firmly and will not move relatively with the circuit breaker main shaft, ensuring the stable installation of the insulation umbrella skirt. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0012] Figure 2 It is a three-dimensional structure schematic view of the utility model Figure 1 It is an enlarged view of A in the utility model;

[0013] Figure 3 It is a structure schematic view of the insulation umbrella skirt of the utility model;

[0014] Figure 4 It is an explosion view of the insulation umbrella skirt of the utility model;

[0015] Figure 5 It is a sectional view of the insulation umbrella skirt of the utility model.

[0016] In the drawing: 1, rack; 2, isolating switch; 3, solid sealed pole; 4, circuit breaker main shaft;

[0017] 5, insulation umbrella skirt; 51, umbrella skirt part; 52, fixed part; 53, elastic ring; 54, mounting groove; 55, clamping block; 56, clamping groove; 57, recessed part; 58, hook; 59, L-shaped groove;

[0018] 6, cam; 7, opening. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present utility model.

[0020] Please refer to Figures 1 to 5 The utility model provides a kind of technical scheme: an environmental protection cabinet isolation circuit breaker, including rack 1, disconnecting switch 2 being installed on the upper side of rack 1, multiple solid-enclosed pole 3 being arranged on rack 1, vacuum interrupter being equipped in solid-enclosed pole 3, circuit breaker main shaft 4 being separately arranged with rack 1, and cam 6 being installed on circuit breaker main shaft 4 and being rotatable with circuit breaker main shaft 4, cam 6 is matched with the movable conducting rod on vacuum circuit breaker in solid-enclosed pole 3, when cam 6 rotates with circuit breaker main shaft 4, movable conducting rod can be driven to move, the transmission structure of cam 6 and conducting rod is prior art, so it is not elaborated in detail, the outside of circuit breaker main shaft 4 is detachably installed with multiple insulating umbrella skirt 5, insulating umbrella skirt 5 includes two umbrella skirt parts 51, by being arranged into two separated umbrella skirt parts 51, when replacing insulating umbrella skirt 5, it can be directly removed from the side of circuit breaker main shaft 4, without disassembling the parts on circuit breaker main shaft 4, greatly improve the convenience of replacing insulating umbrella skirt 5, the upper of two umbrella skirt parts 51 is integrally formed with fixed part 52, one side adjacent to two umbrella skirt parts 51 is integrally formed with clamping hook 58, the inside of umbrella skirt part 51 is provided with L-shaped slot 59 matched with clamping hook 58, clamping hook 58 and L-shaped slot 59 are matched for fixing between two umbrella skirt parts 51, the outside of fixed part 52 is provided with recessed part 57, recessed part 57 is used for accommodating elastic clamping ring 53, elastic clamping ring 53 is clamped at recessed part 57, elastic clamping ring 53 can tighten fixed part 52, so that fixed part 52 is tightly attached to circuit breaker main shaft 4, so that fixed part 52 does not move left and right on circuit breaker main shaft 4, the inside of elastic clamping ring 53 is provided with multiple ring-shaped equidistant clamping blocks 55, recessed part 57 is provided with clamping groove 56 matched with clamping block 55, clamping groove 56 and clamping block 55 are matched for fixing between two fixed parts 52, so as to play a fixing role on two umbrella skirt parts 51, prevent two umbrella skirt parts 51 from separating, adjacent fixed part 52 is provided with mounting groove 54, and mounting groove 54 is matched with circuit breaker main shaft 4.

[0021] Among them, the side of elastic clamping ring 53 is provided with opening 7, and the opening 7 is provided so that the elastic clamping ring 53 can be opened, so that it can be installed on the outside of the fixed part 52 from the side, and the elastic clamping ring 53 is installed more conveniently.

[0022] The cross section of the mounting groove 54 and the circuit breaker main shaft 4 is hexagonal, so that the relative rotation between the insulating umbrella skirt 5 and the circuit breaker main shaft 4 is prevented, and the installation of the insulating umbrella skirt 5 is ensured.

[0023] The insulating umbrella skirt 5 is arranged in a spaced manner with the cam 6.

[0024] The material of the elastic clasp 53 is insulating plastic, and the materials of the umbrella skirt part 51, the fixing part 52 and the clasp 58 are silicone rubber, which has excellent electrical insulation and high temperature resistance and strong aging resistance.

[0025] Specifically, when the insulating umbrella skirt 5 is installed, the two umbrella skirt parts 51 are arranged close to each other and the clasp 58 is clamped into the L-shaped groove 59 on the other umbrella skirt part 51 until the two umbrella skirt parts 51 are completely attached, at which time the hook-shaped part at one end of the clasp 58 is clamped into the short side of the L-shaped groove 59, so that the two umbrella skirt parts 51 are pre-fixed, then the elastic clasp 53 is taken out and installed into the recessed part 57, and the clamping block 55 on the inner side of the elastic clasp 53 is clamped into the recessed part 57, so that the two umbrella skirt parts 51 are fixed and prevented from being separated, and the elastic clasp 53 can also tighten the fixing part 52, so that the fixing part 52 is attached to the circuit breaker main shaft 4 and cannot move left and right on the circuit breaker main shaft 4, so that the installation of the insulating umbrella skirt 5 is completed, and when the insulating umbrella skirt 5 is disassembled, the elastic clasp 53 is removed, and the two umbrella skirt parts 51 are pulled to disassemble, so that the steps are very simple.

[0026] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the devices or elements indicated must have a specific orientation, a specific orientation and operation, and therefore cannot be understood as limiting the utility model.

[0027] In addition, the terms "first", "second", "third", "fourth" are only for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features, so that the features limited by "first", "second", "third", "fourth" can be explicitly or implicitly included at least one feature.

[0028] In the utility model, unless another definite provision and limitation, the term "installation", "arrangement", "connection", "fixation", "screw connection" and so on term should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can indirectly connect through intermediate medium, can be two element inside's intercommunication or two element's mutual action relation, unless another definite limitation, for the ordinary skill of the art, can understand the above-mentioned term in the utility model specific meaning according to specific circumstances.

[0029] Although the embodiments of the utility model have been shown and described, it will be appreciated by those of ordinary skill in the art that various changes, modifications, alternatives, and variations can be made thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An environmentally friendly on-cabinet isolating circuit breaker comprising a frame (1), an isolating switch (2) mounted above the inner side of the frame (1), a plurality of solid-enclosed poles (3) arranged on the frame (1), a circuit breaker main shaft (4) arranged separately from the frame (1), and a cam (6) mounted on the circuit breaker main shaft (4) and rotatable with the circuit breaker main shaft (4), characterized in that: The outer side of the circuit breaker spindle (4) is detachably installed with multiple insulation umbrella skirts (5), the insulation umbrella skirt (5) comprises two umbrella skirt parts (51), the upper side of each of the two umbrella skirt parts (51) is integrally formed with a fixing part (52), the side adjacent to the two umbrella skirt parts (51) is integrally formed with a hook (58), the inside of the umbrella skirt part (51) is provided with an L-shaped slot (59) matched with the hook (58), the outer side of the fixing part (52) is provided with a recessed part (57), the recessed part (57) is clamped with an elastic ring (53), the inner side of the elastic ring (53) is provided with multiple ring-shaped equidistant clamping blocks (55), the recessed part (57) is provided with a clamping slot (56) matched with the clamping block (55), and the installation slot (54) is arranged between the adjacent fixing parts (52).

2. An environmentally friendly on-panel disconnecting circuit breaker according to claim 1, characterized in that: An opening (7) is arranged on one side of the elastic ring (53).

3. An environmentally friendly on-panel disconnecting circuit breaker according to claim 1, characterized in that: The cross sections of the installation slot (54) and the circuit breaker spindle (4) are hexagonal.

4. An environmentally friendly on-panel disconnecting circuit breaker according to claim 1, characterized in that: The insulation umbrella skirt (5) is arranged in a spaced manner with the cam (6).

5. An environmentally friendly on-panel disconnecting circuit breaker according to claim 1, characterized in that: The material of the elastic ring (53) is insulating plastic, and the materials of the umbrella skirt part (51), the fixing part (52) and the hook (58) are silicone rubber.

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