A seal assembly for a 110 kv oil-filled terminal

Abstract

This utility model relates to the field of sealing devices, and discloses a sealing assembly for a 110kV oil-filled terminal. It includes an oil-filled terminal body, a cable fixedly connected to the middle of the inner wall of the oil-filled terminal body, a mounting base fixedly connected to the bottom of the oil-filled terminal body, four mounting holes arranged in a rectangular array at the top of the mounting plate, and a sealing device for sealing the device located near the lower part of the inner wall of the oil-filled terminal body. The sealing device includes a sealing tube, the bottom end of which penetrates the upper surface of the mounting plate. This utility model provides a sealing assembly for a 110kV oil-filled terminal that improves sealing during installation by incorporating a sealing tube within the sealing device, allowing the sealing tube and sealing ring to fit together, thus achieving initial prevention of oil leakage. Furthermore, by incorporating a sealing ring within the sealing device, the cavity effectively alleviates oil pressure within the oil-filled terminal body, improving the overall stability of the equipment.

Description

Technical Field

[0001] This utility model relates to the field of sealing devices, and in particular to a sealing component for a 110kV oil-filled terminal. Background Technology

[0002] Sealing assemblies for 110kV oil-filled terminals are commonly used in power equipment, especially high-voltage electrical installations such as transformers and switchgear. The main function of the sealing assembly is to ensure the sealing and insulation performance of the oil inside the equipment, preventing external environmental factors such as moisture, dust, etc., from affecting the normal operation of the equipment.

[0003] In the prior art, oil-filled terminals are mainly used in high-voltage equipment to connect the oil-filled system of power equipment and electrical devices. However, poor sealing performance or improper design can easily lead to problems such as oil leakage, air ingress or moisture penetration, thereby affecting the stability and safety of electrical equipment. Therefore, those skilled in the art provide a sealing component for a 110kV oil-filled terminal to solve the problems mentioned in the background art. Utility Model Content

[0004] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a sealing component for a 110kV oil-filled terminal. This component provides a sealing device with a sealing tube that fits snugly against a sealing ring, improving sealing during installation and preventing initial oil leakage. Furthermore, the sealing device with a sealing ring utilizes a cavity to effectively alleviate oil pressure in the main body of the oil-filled terminal, thereby improving the overall stability of the equipment.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a sealing assembly for a 110kV oil-filled terminal, comprising an oil-filled terminal body, a cable fixedly connected to the middle of the inner sidewall of the oil-filled terminal body, a mounting base fixedly connected to the bottom end of the oil-filled terminal body, a mounting plate fixedly connected to the bottom end of the mounting base, four mounting holes arranged in a rectangular array at the top end of the mounting plate, and a sealing device for sealing the device provided at the lower position of the inner sidewall of the oil-filled terminal body, the sealing device comprising a sealing tube, the bottom end of the sealing tube penetrating the upper surface of the mounting plate;

[0006] The above technical solution involves installing a sealing tube in the sealing device, which penetrates the upper surface of the mounting plate, and the cable passes through the middle of the sealing tube, thus achieving preliminary installation of the cable. Several second rubber rings are installed on the side wall of the sealing tube. The elasticity of the second rubber rings allows the sealing tube and the sealing rings to fit together, improving the sealing performance during installation and achieving preliminary prevention of oil leakage.

[0007] Furthermore, a plurality of second rubber rings are fixedly connected to the upper part of the side wall of the sealing tube, and a sealing ring is fitted on the side wall of the plurality of second rubber rings. A cavity is opened inside the sealing ring, and a plurality of protrusions are linearly arrayed on the lower part of the inner side wall of the cavity. A plurality of first rubber rings are fixedly connected to the lower part of the side wall of the sealing ring, and a stress cone is fixedly connected to the upper part of the inner side wall of the sealing ring.

[0008] Through the above technical solution, by setting a sealing ring in the sealing device and fitting the sealing ring on the side wall of the sealing tube, and setting a first rubber ring on the side wall of the sealing ring, the tightness can be further improved by utilizing the fit between the first rubber ring and the inner side wall of the oil-filled terminal body. Furthermore, a cavity is opened in the sealing ring, and the structural strength of the sealing ring can be further improved by utilizing several protrusions in the cavity. In addition, the cavity can effectively relieve the oil pressure in the oil-filled terminal body and improve the overall stability of the equipment.

[0009] Furthermore, the cable passes sequentially through the stress cone, the sealing ring, and the sealing tube;

[0010] The cable is installed using the above technical solution.

[0011] Furthermore, several of the second rubber rings are adapted to each other at the lower position of the inner sidewall of the sealing ring;

[0012] The above technical solutions improve sealing performance.

[0013] Furthermore, several of the first rubber rings are in contact with the inner wall of the oil-filled terminal body;

[0014] The above technical solutions further improve sealing performance.

[0015] Furthermore, several of the aforementioned protrusions are staggered on the inner sidewall of the cavity;

[0016] The above technical solutions improve the overall structural strength of the equipment.

[0017] Furthermore, the sealing ring is made of rubber.

[0018] The above technical solutions effectively improve the sealing effect.

[0019] Furthermore, the bottom end of the stress cone is adapted to the upper part of the inner wall of the sealing ring;

[0020] The above technical solution effectively installs the stress cone.

[0021] This utility model has the following beneficial effects:

[0022] 1. In this utility model, a sealing tube is provided in the sealing device, which penetrates the upper surface of the mounting plate, and the cable passes through the middle of the sealing tube to achieve the initial installation of the cable. Several second rubber rings are provided on the side wall of the sealing tube. The elasticity of the second rubber rings can make the sealing tube and the sealing rings fit together, improve the sealing performance during installation, and achieve the initial prevention of oil leakage.

[0023] 2. In this utility model, a sealing ring is provided in the sealing device and the sealing ring is sleeved on the side wall of the sealing tube. A first rubber ring is provided on the side wall of the sealing ring. The fit between the first rubber ring and the inner side wall of the oil-filled terminal body can further improve the tightness. Furthermore, a cavity is provided in the sealing ring. Several protrusions in the cavity can further improve the structural strength of the sealing ring. The cavity can also effectively relieve the oil pressure in the oil-filled terminal body and improve the overall stability of the equipment. Attached Figure Description

[0024] Figure 1 A perspective view of a sealing assembly for a 110kV oil-filled terminal according to this utility model;

[0025] Figure 2 Another perspective view of a sealing component for a 110kV oil-filled terminal proposed in this utility model;

[0026] Figure 3 A cross-sectional view of a sealing assembly for a 110kV oil-filled terminal proposed in this utility model;

[0027] Figure 4 for Figure 3 Enlarged diagram of point A in the middle.

[0028] Legend:

[0029] 1. Oil-filled terminal body; 2. Sealing device; 201. Sealing ring; 202. Cavity; 203. Protrusion; 204. First rubber ring; 205. Sealing tube; 206. Second rubber ring; 207. Stress cone; 3. Cable; 4. Mounting base; 5. Mounting plate; 6. Mounting hole. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] Reference Figure 1-4This utility model provides an embodiment of a sealing assembly for a 110kV oil-filled terminal, comprising an oil-filled terminal body 1, a cable 3 fixedly connected to the middle of the inner side wall of the oil-filled terminal body 1, a mounting base 4 fixedly connected to the bottom end of the oil-filled terminal body 1, a mounting plate 5 fixedly connected to the bottom end of the mounting base 4, and four mounting holes 6 arranged in a rectangular array at the top of the mounting plate 5. A sealing device 2 for sealing the device is provided at the lower position of the inner side wall of the oil-filled terminal body 1. The sealing device 2 includes a sealing tube 205, the bottom end of which penetrates the upper end face of the mounting plate 5. By providing the sealing tube 205 in the sealing device 2, the sealing tube 205 penetrates the upper end face of the mounting plate 5, and the cable 3 passes through the middle of the sealing tube 205, the initial installation of the cable 3 is achieved. Several second rubber rings 206 are provided on the side wall of the sealing tube 205. The elasticity of the second rubber rings 206 can make the sealing tube 205 and the sealing rings 201 fit together, improving the sealing performance during installation and achieving initial prevention of oil leakage.

[0032] A plurality of second rubber rings 206 are fixedly connected to the upper side wall of the sealing tube 205. A sealing ring 201 is fitted onto the side wall of each of the second rubber rings 206. A cavity 202 is formed inside the sealing ring 201. A plurality of protrusions 203 are linearly arrayed on the lower side wall of the inner side wall of the cavity 202. A plurality of first rubber rings 204 are fixedly connected to the lower side wall of the sealing ring 201. A stress cone 207 is fixedly connected to the upper side wall of the inner side wall of the sealing ring 201. By providing the sealing ring 201 in the sealing device 2, and ensuring a tight seal... The sealing ring 201 is fitted onto the side wall of the sealing tube 205. A first rubber ring 204 is provided on the side wall of the sealing ring 201. The fit between the first rubber ring 204 and the inner side wall of the oil-filled terminal body 1 can further improve the tightness. A cavity 202 is provided in the sealing ring 201. Several protrusions 203 in the cavity 202 can further improve the structural strength of the sealing ring 201. The cavity 202 can effectively relieve the oil pressure in the oil-filled terminal body 1 and improve the overall stability of the equipment.

[0033] Cable 3 passes through stress cone 207, sealing ring 201 and sealing tube 205 in sequence. Several second rubber rings 206 are adapted to each other at the lower position of the inner side wall of sealing ring 201. Several first rubber rings 204 are attached to each other at the inner side wall of oil-filled terminal body 1. Several protrusions 203 are staggered on the inner side wall of cavity 202. Sealing ring 201 is made of rubber. The bottom end of stress cone 207 is adapted to each other at the upper position of the inner side wall of sealing ring 201.

[0034] Working principle: A sealing tube 205 is provided in the sealing device 2, which penetrates the upper end face of the mounting plate 5, and the cable 3 passes through the middle of the sealing tube 205, thus achieving the initial installation of the cable 3. Several second rubber rings 206 are provided on the side wall of the sealing tube 205. The elasticity of the second rubber rings 206 can make the sealing tube 205 and the sealing rings 201 fit together, improving the sealing performance during installation and achieving initial prevention of oil leakage. By providing sealing rings 201 in the sealing device 2, and A sealing ring 201 is fitted onto the side wall of the sealing tube 205. A first rubber ring 204 is provided on the side wall of the sealing ring 201. The fit between the first rubber ring 204 and the inner side wall of the oil-filled terminal body 1 can further improve the tightness. A cavity 202 is provided in the sealing ring 201. Several protrusions 203 in the cavity 202 can further improve the structural strength of the sealing ring 201. The cavity 202 can effectively relieve the oil pressure in the oil-filled terminal body 1 and improve the overall stability of the equipment.

[0035] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A sealing assembly for a 110kV oil-filled terminal, comprising an oil-filled terminal body (1), characterized in that: A cable (3) is fixedly connected to the middle of the inner wall of the oil-filled terminal body (1). A mounting base (4) is fixedly connected to the bottom of the oil-filled terminal body (1). A mounting plate (5) is fixedly connected to the bottom of the mounting base (4). The top of the mounting plate (5) has four mounting holes (6) arranged in a rectangular array. A sealing device (2) for sealing the device is provided at the lower position of the inner wall of the oil-filled terminal body (1). The sealing device (2) includes a sealing tube (205). The bottom end of the sealing tube (205) penetrates the upper surface of the mounting plate (5).

2. A sealing assembly for a 110kV oil-filled terminal according to claim 1, characterized in that: A plurality of second rubber rings (206) are fixedly connected to the upper side wall of the sealing tube (205). A sealing ring (201) is fitted on the side wall of the plurality of second rubber rings (206). A cavity (202) is opened inside the sealing ring (201). A plurality of protrusions (203) are linearly arranged on the lower side wall of the cavity (202). A plurality of first rubber rings (204) are fixedly connected to the lower side wall of the sealing ring (201). A stress cone (207) is fixedly connected to the upper side wall of the sealing ring (201).

3. A sealing assembly for a 110kV oil-filled terminal according to claim 2, characterized in that: The cable (3) passes through the stress cone (207), the sealing ring (201), and the sealing tube (205) in sequence.

4. A sealing assembly for a 110kV oil-filled terminal according to claim 2, characterized in that: Several of the second rubber rings (206) are adapted to each other at the lower position of the inner sidewall of the sealing ring (201).

5. A sealing assembly for a 110kV oil-filled terminal according to claim 2, characterized in that: Several of the first rubber rings (204) are in contact with the inner sidewall of the oil-filled terminal body (1).

6. A sealing assembly for a 110kV oil-filled terminal according to claim 2, characterized in that: Several of the protrusions (203) are staggered on the inner sidewall of the cavity (202).

7. A sealing assembly for a 110kV oil-filled terminal according to claim 2, characterized in that: The sealing ring (201) is made of rubber.

8. A sealing assembly for a 110kV oil-filled terminal according to claim 2, characterized in that: The bottom end of the stress cone (207) is matched with the upper part of the inner wall of the sealing ring (201).

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