High-voltage switch shell packaging cover plate

Abstract

The utility model discloses a packaging cover plate for a high-voltage switch shell, which belongs to the technical field of packaging and transportation of high-voltage switches and comprises an annular cover plate, a boss, a circular truncated cone base and a barrel which are coaxially arranged. A boss is concentrically arranged in the center of the annular cover plate and connected with the barrel through a circular truncated cone base, and a sealing groove used for containing a sealing ring is concentrically formed in the outer ring, located on the boss, of the annular cover plate. According to the utility model, the thickened boss is thickened, and the reinforcing ribs are arranged at the positions of the threaded holes in the annular cover plate, so that the local strength problem of the packaging cover plate is solved, and the strength of the main body structure is improved; the arrangement of the sealing groove improves the sealing performance of the connection between the cover plate and the high-voltage switch shell, can effectively prevent SF gas from leaking and prevent moisture in the atmosphere from permeating into the high-voltage switch equipment, and prolongs the service life of the high-voltage equipment.

Description

Technical Field

[0001] The utility model relates to a high-voltage switch packaging and transportation technology, in particular to a high-voltage switch housing packaging cover plate. Background Art

[0002] At present, there are two main types of high-voltage distribution devices in my country. One is the conventional open-type distribution device, which is composed of independent units with a single function. The units are connected by overhead lines and air-insulated. The other is the gas-insulated metal-enclosed distribution device, which uses the high insulation performance of SF6 gas to enclose all the equipment and components in a metal-grounded high-voltage switch tank. Since the high-voltage switch tank is a tank filled with high-voltage insulating gas, it must be sealed with pressure gas and protected by the shell during packaging and transportation. The high-voltage switch packaging and transportation cover is a component for sealing the high-voltage switch tank with pressure gas and protecting the shell. The high-voltage switch shell cover on the market is in use. Due to the problem that the traditional cover is easily damaged in sealing after installation, and the installation and fixation are not stable enough, it is easy to cause the high-voltage switch to be affected by external factors. Utility Model Content

[0003] The utility model aims to provide a high-voltage switch housing packaging cover plate.

[0004] The technical solution of the utility model is: a high-voltage switch housing packaging cover plate, comprising a coaxially arranged annular cover plate, a boss, a frustum base, and a cylinder; a boss is concentrically arranged at the center of the annular cover plate, the boss is connected to the cylinder through the frustum base, and a sealing groove for placing a sealing ring is concentrically arranged on the outer circle of the boss on the annular cover plate.

[0005] According to a further technical solution, the thickness of the boss is greater than or equal to 1.2-1.5 times the thickness of the annular cover plate.

[0006] According to a further technical solution, a plurality of reinforcing ribs are evenly distributed on the annular cover plate, and the reinforcing ribs are evenly distributed on the outer ring of the sealing groove in an annular shape.

[0007] According to a further technical solution, threaded holes are provided on the reinforcing ribs.

[0008] According to a further technical solution, a limiting ring is arranged on the middle outer wall of the cylinder.

[0009] Beneficial effects of the utility model:

[0010] 1. The utility model solves the local strength problem of the packaging cover plate by setting thickened bosses and reinforcing ribs, and improves the strength of the main structure; the setting of the limit ring strengthens the structural stability after the cylinder is connected, and achieves a better protection effect.

[0011] 2. The setting of the sealing groove of the utility model improves the sealing performance of the connection between the cover plate and the high-voltage switch housing, which can effectively prevent SF6 gas leakage and moisture in the atmosphere from penetrating into the high-voltage switch equipment, thereby improving the service life of the high-voltage equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the structure of the utility model.

[0013] Among them, 1. annular cover plate, 2. boss, 3. frustum base, 4. cylinder, 5. sealing groove, 6. reinforcing rib, 7. threaded hole, 8. limit ring. DETAILED DESCRIPTION

[0014] The present invention is further described and understood by way of non-limiting examples below.

[0015] like Figure 1 As shown, the utility model provides a high-voltage switch housing packaging cover plate, including a coaxially arranged annular cover plate 1, a boss 2, a truncated cone base 3, and a cylinder 4; a limit ring 8 is arranged on the middle outer wall of the cylinder 4. A boss 2 is concentrically arranged at the center of the annular cover plate 1, and the thickness of the boss 2 is greater than or equal to 1.2-1.5 times the thickness of the annular cover plate 1. The truncated cone base 3 increases the space between the annular cover plate 1 and the cylinder 4 to prevent the end of the cylinder 4 from being subjected to excessive pressure after connection. The setting of the limit ring 8 on the middle outer wall of the cylinder 4 strengthens the structural stability of the cylinder 4 after connection, and has a better protection effect.

[0016] The boss 2 is connected to the cylinder 4 through the truncated cone base 3. The annular cover plate 1 is located on the outer ring of the boss 2 and is concentrically provided with a sealing groove 5 for placing a sealing ring. A plurality of reinforcing ribs 6 are evenly distributed on the annular cover plate 1. The reinforcing ribs 6 are evenly distributed in annular shapes on the outer ring of the sealing groove 5, and threaded holes 7 are provided on the reinforcing ribs 6.

[0017] When the utility model is used, the annular cover plate 1 is installed in the threaded hole 7 by bolts and then fixed on the high-voltage switch tank body. A sealing ring is arranged in the sealing groove 5 at the joint between the annular cover plate and the high-voltage switch tank body to seal the gap at the joint, thereby improving the sealing performance of the connection between the cover plate and the high-voltage switch housing, effectively preventing SF gas leakage and moisture in the atmosphere from penetrating into the high-voltage switch device, preventing rust, and improving the service life of the high-voltage device.

[0018] In summary, the utility model solves the local strength problem of the packaging cover plate by setting the thickened boss 2 and the reinforcing rib 6, and improves the strength of the main structure. The setting of the limit ring 8 strengthens the structural stability of the cylinder 4 after connection, and achieves a better protection effect.

[0019] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A high voltage switch housing packaging cover plate, characterized in that: It includes a coaxially arranged annular cover plate, a boss, a truncated cone base, and a cylinder; the center of the annular cover plate is concentrically provided with a boss, the boss is connected to the cylinder through the truncated cone base, and the annular cover plate is concentrically provided with a sealing groove for accommodating a sealing ring on the outer circle of the boss.

2. A high voltage switch housing packaging cover plate according to claim 1, characterized in that: The thickness of the boss is greater than or equal to 1.2-1.5 times the thickness of the annular cover plate.

3. The high voltage switch housing packaging cover plate according to claim 1, characterized in that: A plurality of reinforcing ribs are evenly distributed on the annular cover plate, and the reinforcing ribs are evenly distributed on the outer circle of the sealing groove in an annular shape.

4. A high voltage switch housing packaging cover plate according to claim 3, characterized in that: The reinforcing rib is provided with a threaded hole.

5. The high voltage switch housing packaging cover plate according to claim 1, characterized in that: A limiting ring is arranged on the middle outer wall of the cylinder.

Images