Ring main unit gas tank

Abstract

The utility model relates to the technical field of ring main unit gas tanks, and particularly discloses a ring main unit gas tank which comprises a tank body, a mounting plate is fixedly arranged on the tank body, a secondary tank is fixedly connected to one side of the tank body, an operating structure is mounted on the tank body, the operating structure comprises a panel, a shaft rod is rotatably arranged on the panel, an indicating rod is fixedly arranged at one end of the shaft rod, and the indicating rod is fixedly connected with the secondary tank. A V-shaped block is fixedly arranged on the indicating rod, microswitches are arranged on the two sides of the V-shaped block, protruding blocks distributed in an array mode are fixedly arranged on the shaft rod, arc-shaped rods are rotationally arranged on the protruding blocks, one end of each arc-shaped rod is rotationally connected with a connecting block, and a swing rod is fixedly connected to the connecting block. According to the ring main unit gas tank, the feedback structure of the microswitch is arranged in the gas tank, feedback control can be performed on the microswitch in the rotating process of the shaft rods, the shaft rods can drive the multiple swing rods to rotate and synchronously adjust the swing rods to move and switch, the shaft rods are connected through the insulating blocks, electric arc overflow cannot be generated, and the safety of the ring main unit gas tank is improved. And internal elements of the ring main unit are effectively protected.

Description

Technical Field

[0001] The utility model relates to the technical field of ring main unit gas boxes, in particular to a ring main unit gas box. Background Art

[0002] The ring main unit gas box is a box used to install electrical components, which is convenient for power distribution and distribution control.

[0003] In the prior art, for example, the application number: 201921034945.X discloses a plateau-type environmentally friendly switch cabinet gas box with a heat-insulating function, which includes a heat-insulating outer cabinet, a switch cabinet door is hinged on the front of the heat-insulating outer cabinet, and a heat-insulating inner cabinet is connected to the inside of the heat-insulating outer cabinet through a shock-absorbing mechanism. A switch cabinet gas box body is fixed inside the heat-insulating inner cabinet, and a sealing plate that seals the switch cabinet gas box body therein is covered on the front of the heat-insulating inner cabinet, and limiting nails are evenly distributed at the four corners of the front of the sealing plate to fix it to the heat-insulating inner cabinet, a cooling fan is inlaid on one side of the heat-insulating outer cabinet, a fresh air outlet is provided on the other side of the heat-insulating outer cabinet, and an energy-saving and environmental protection mechanism is arranged on the top of the heat-insulating outer cabinet.

[0004] However, in the prior art, such as the switch cabinet gas box mentioned in the application number: 201921034945.X, in actual use, after long-term use, when the moving contact rod in the gas box contacts the contact, there may be an arc leakage to the moving contact rod, which poses a risk of leakage. Utility Model Content

[0005] The utility model aims to provide a ring main unit gas box to solve the problems in the prior art.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A ring main unit gas box, the ring main unit gas box comprises a box body, a mounting plate is fixedly provided on the box body, a secondary box is fixedly connected to one side of the box body, and an operating structure is installed on the box body;

[0008] The operating structure comprises a panel, a shaft rod is rotatably arranged on the panel, an indicating rod is fixedly arranged at one end of the shaft rod, a V-shaped block is fixedly arranged on the indicating rod, and micro switches are arranged on both sides of the V-shaped block.

[0009] Furthermore, the shaft rod is fixedly provided with array-distributed protrusions, the protrusions are rotatably provided with an arc rod, one end of the arc rod is rotatably connected to a connecting block, a swing rod is fixedly connected to the connecting block, and contacts are provided on both sides of the swing rod.

[0010] Furthermore, an indicator plate is fixedly provided at the end of the indicator rod, a fixing plate for mounting a micro switch is fastened to one side of the panel, and the V-shaped block rotates with the indicator rod to operate the micro switch.

[0011] Furthermore, a plurality of conductive sheets are fixedly provided below the shaft rod, a plurality of swing rods are rotatably connected to the conductive sheets, a contact groove for connecting contacts is provided at one end of the swing rod, and the contacts are symmetrically fixedly provided on the shaft rod for connection.

[0012] Furthermore, an insulating block is clamped between the two shaft rods, trapezoidal blocks are fixedly provided on both sides of the insulating block, and insulating grooves are provided at the ends of the shaft rods, and rectangular sleeves are fixedly installed in the insulating grooves.

[0013] Furthermore, an inclined surface block is fixedly provided on the inner wall of the rectangular sleeve, the inclined surface block abuts against the side surface of the trapezoidal block, and a bolt passes through the shaft rod and connects the inclined surface block and the trapezoidal block.

[0014] Beneficial effects of the utility model:

[0015] 1. The utility model ring main unit gas box, wherein a feedback structure of a micro switch is arranged in the gas box, and the micro switch is feedback-controlled during the rotation of the shaft rod. In the actual working process, the shaft rod can drive multiple swing rods to rotate, and synchronously adjust the movement and switching of the swing rods;

[0016] 2. The ring main unit gas box of the utility model has an assembled structure of shaft rods, which are connected by insulating blocks. The insulating blocks block the flow of current on the shaft rods and prevent arc overflow, thereby providing safety for the use of the ring main unit and effectively protecting the internal components of the ring main unit. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a partial structural schematic diagram of the gas box of the utility model;

[0020] Figure 3 It is a schematic diagram of the operating structure of the utility model;

[0021] Figure 4 This is a schematic diagram of the shaft structure of the utility model;

[0022] Figure 5 It is a cross-sectional view of the shaft rod of the utility model;

[0023] Figure 6 This is a schematic diagram of the rectangular sleeve structure of the utility model;

[0024] Figure 7 It is a schematic diagram of the structure of the shaft rod end of the utility model. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] A ring main unit gas box, such as Figure 1-Figure 3 As shown, the ring main unit gas box includes a box body 1, a mounting plate 11 is fixedly provided on the box body 1, a secondary box 12 is fixedly connected to one side of the box body 1, and an operating structure 13 is installed on the box body 1.

[0027] The operating structure 13 includes a panel 28 and a mounting plate 27 . A shaft 25 is rotatably mounted on the panel 28 . One end of the shaft 25 is rotatably connected to the mounting plate 27 , and the other end is fixedly mounted with an indicator rod 21 . An indicator plate 22 is fixedly mounted on the end of the indicator rod 21 .

[0028] A V-shaped block 23 is fixed on the indicator rod 21 , a fixing plate 29 is fastened to one side of the panel 28 , micro switches 24 are fixed on the fixing plate 29 and on both sides of the V-shaped block 23 , and the rotation of the V-shaped block 23 controls the micro switches 24 .

[0029] An array of protrusions 26 are fixedly provided on the shaft 25, an arc rod 261 is rotatably provided on the protrusion 26, one end of the arc rod 261 is rotatably connected to a connecting block 262, a plurality of conductive sheets 3 are fixedly provided below the shaft 25, a swing rod 31 is rotatably provided on the conductive sheet 3, the swing rod 31 is fixedly connected to the connecting block 262, and a contact groove is provided at one end of the swing rod 31.

[0030] A plurality of contacts 32 are fixedly provided on the top of the shaft 25, and a plurality of contacts 32 are also fixedly provided on one side of the swing rod 31. The movement of the swing rod 31 will connect the contact groove with the contacts 32 on one side of the swing rod 31, and the conduction circuit can be switched by rotating the shaft 25.

[0031] like Figure 4-Figure 7 As shown, an insulating block 20 is clamped between the two shafts 25, trapezoidal blocks 201 are fixedly provided on both sides of the insulating block 20, an insulating groove is opened at the end of the shaft 25, a rectangular sleeve 202 is fixedly installed in the insulating groove, bolts pass through the rectangular sleeve 202 and are fixedly connected to the insulating groove, and an inclined block 203 is fixedly provided on the inner wall of the rectangular sleeve 202, the inclined block 203 abuts against the side of the trapezoidal block 201, and bolts pass through the shaft 25, the inclined block 203 and the trapezoidal block 201 are fixedly connected.

[0032] Here’s how it works:

[0033] After the gas box of the ring main unit is assembled and the operating structures 13 are installed, the shaft 25 in the gas box can be controlled to rotate through the operating structure 13, driving the plurality of protrusions 26 to rotate, thereby controlling the movement of the swing rod 31. When the swing rod 31 contacts the contact 32, the circuit is turned on.

[0034] When the position of the rocker arm 31 is moved and adjusted, if an arc is generated in the process of the rocker arm 31 contacting and separating with the contact 32, the arc current will flow along the rocker arm 31 and other transmission components to the shaft 25. At this time, there will be a certain risk of electric shock due to current leakage, and the arc cannot be prevented, which will cause short-circuit damage to the electrical components inside the ring network cabinet.

[0035] An insulating block 20 and an insulating trapezoidal block 201 are arranged between the connected shafts 25, so that the current between the shafts 25 can be blocked and disconnected, thereby ensuring the safety of the operating structure 13 in the air box.

[0036] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0037] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A ring main unit gas box, comprising a box body (1), characterized in that: A mounting plate (11) is fixedly provided on the box body (1), a secondary box (12) is fixedly connected to one side of the box body (1), and an operating structure (13) is installed on the box body (1); The operating structure (13) comprises a panel (28), a shaft (25) is rotatably provided on the panel (28), an indicator rod (21) is fixedly provided at one end of the shaft rod (25), a V-shaped block (23) is fixedly provided on the indicator rod (21), and micro switches (24) are provided on both sides of the V-shaped block (23).

2. The ring main unit gas box according to claim 1, characterized in that: The shaft rod (25) is fixedly provided with protrusions (26) distributed in an array, an arc rod (261) is rotatably provided on the protrusion (26), one end of the arc rod (261) is rotatably connected to a connecting block (262), a swing rod (31) is fixedly connected to the connecting block (262), and contacts (32) are provided on both sides of the swing rod (31).

3. The ring main unit gas box according to claim 2, characterized in that: An indicating plate (22) is fixedly provided at the end of the indicating rod (21), a fixing plate (29) for mounting a micro switch (24) is fastened to one side of the panel (28), and the V-shaped block (23) rotates with the indicating rod (21) to operate the micro switch (24).

4. The ring main unit gas box according to claim 2, characterized in that: A plurality of conductive sheets (3) are fixedly arranged below the shaft (25), a plurality of swing rods (31) are rotatably connected to the conductive sheets (3), one end of the swing rod (31) is provided with a contact groove for connecting a contact point (32), and the contact point (32) is symmetrically fixedly arranged on the shaft (25) for connection.

5. The ring main unit gas box according to claim 2, characterized in that: An insulating block (20) is clamped between the two shaft rods (25), trapezoidal blocks (201) are fixedly provided on both sides of the insulating block (20), and an insulating groove is provided at the end of the shaft rod (25), and a rectangular sleeve (202) is fixedly installed in the insulating groove.

6. The ring main unit gas box according to claim 5, characterized in that: The inner wall of the rectangular sleeve (202) is fixedly provided with an inclined surface block (203), the inclined surface block (203) abuts against the side surface of the trapezoidal block (201), and a bolt passes through the shaft rod (25), and the inclined surface block (203) is connected to the trapezoidal block (201).

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