Transformer bushing capable of preventing oil leakage
By using a sealing shell and rubber gasket at the connection between the flange and the bushing body of the transformer bushing to prevent oil leakage, the problem of oil leakage was solved, and the sealing and insulation performance of the transformer bushing under high voltage was improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-03-27
AI Technical Summary
Oil leakage is prone to occur at the connection between the flange and the bushing body of the transformer bushing, which can affect the normal operation of the equipment and may cause safety accidents.
An anti-seepage unit is adopted, including sealing shell one and sealing shell two connected by a rotating shaft, equipped with a sealing gasket made of rubber material and fastening bolts, to enhance the sealing performance at the connection between the flange and the transformer bushing body.
It effectively prevents oil leakage and ensures that the transformer bushings maintain good insulation and sealing performance under high-voltage conditions.
Smart Images
Figure CN224052954U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to transformer bushing technical field, especially a kind of transformer bushing of preventing seepage of oil. BACKGROUND
[0002] Transformer is used to convert electric energy from one voltage level to another voltage level, in order to ensure the normal operation of transformer and the safe connection with power grid, it is usually necessary to install transformer bushing on the high-voltage side and low-voltage side of transformer, these bushings not only play the role of insulation, but also can withstand mechanical stress under high voltage, however, in actual operation process, due to environmental factors (such as temperature change, humidity, etc.) or material aging caused by long-term use, transformer bushing may appear seepage of oil. This leakage not only affects the normal operation of equipment, but also may cause safety accidents.
[0003] In the structure of traditional transformer bushing, the connection between flange and bushing body is the most likely place to leak. This is because this part needs to withstand a lot of pressure, and over time, the sealing material may gradually fail, therefore, we need a transformer bushing to prevent oil leakage. SUMMARY
[0004] In view of the deficiencies of the prior art, the utility model provides a transformer bushing for preventing oil leakage, which solves the above-mentioned problems.
[0005] The utility model also provides a transformer bushing for preventing oil leakage, which comprises a transformer bushing body and a flange, the transformer bushing body is provided with mounting holes at both ends, the flange is provided with a plurality of fixing bolts on one side, the flange is located on one side of the transformer bushing body, the flange and the outer side wall of the transformer bushing body are provided with a seepage prevention unit.
[0006] The seepage prevention unit comprises a sealing shell one provided on the outer side wall of the flange and the transformer bushing body, a sealing shell two is provided above the sealing shell one, the sealing shell one and the sealing shell two are connected by a rotating shaft, a fastening bolt is threadedly connected to the outer side wall of the sealing shell two, and the inner walls of the sealing shell one and the sealing shell two are provided with accommodating grooves.
[0007] According to the transformer bushing for preventing oil leakage, the inner wall of the accommodating groove is provided with a sealing gasket, and the sealing gasket is made of rubber material.
[0008] According to the transformer bushing for preventing oil leakage, the sealing shell one and the sealing shell two are adapted to the outer side wall of the flange and the transformer bushing body.
[0009] According to the transformer bushing of the application, one end of the plurality of fixing bolts penetrates the flange and is connected with the mounting hole.
[0010] According to the transformer bushing of the application, the fixing bolt penetrates the sealing shell one and the sealing shell two, and the outer wall of the penetrating end of the fixing bolt is threadedly connected with the fixing nut.
[0011] The application has the following beneficial effects:
[0012] 1. The anti-seepage unit can effectively prevent oil leakage, ensure the sealing performance of the connection between the transformer bushing body and the flange, and ensure that the transformer bushing can maintain good insulation performance under high pressure.
[0013] The additional aspects and advantages of the application will be partially given in the following description, partially become obvious from the following description, or be understood through the practice of the application. BRIEF DESCRIPTION OF DRAWINGS
[0014] The application will be further described below in combination with the drawings and examples.
[0015] Figure 1 It is a front perspective view of the transformer bushing of the application.
[0016] Figure 2 It is a side perspective view of the transformer bushing of the application.
[0017] Figure 3 It is a perspective view of the anti-seepage unit of the transformer bushing of the application in a split state.
[0018] Figure 4 It is an exploded view of the transformer bushing of the application.
[0019] LEGEND
[0020] 1. Transformer bushing body; 2. Flange; 3. Mounting hole; 4. Fixing bolt; 5. Anti-seepage unit; 501. Sealing shell one; 502. Sealing shell two; 503. Shaft; 504. Fixing bolt; 505. Containing groove; 5051. Sealing gasket; 5041. Fixing nut. DETAILED DESCRIPTION
[0021] The detailed description of the specific embodiments of the present application will be described in this part, the preferred embodiments of the present application are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the present application, but it cannot be understood as a limitation on the protection scope of the present application.
[0022] Reference Figures 1-4 The utility model discloses an anti -leakage transformer bushing, it includes: transformer bushing body 1 and flange 2, both ends of transformer bushing body 1 are provided with mounting hole 3, a plurality of fixed bolts 4 are connected to the one side of flange 2 by screw thread, and the flange 2 is located at the one side of transformer bushing body 1, and the outer lateral wall of flange 2 and transformer bushing body 1 is provided with anti -leakage unit 5.
[0023] The anti -leakage unit 5 includes the sealing shell one 501 that is set up in the outer lateral wall of flange 2 and transformer bushing body 1, the upper portion of sealing shell one 501 is provided with sealing shell two 502, and sealing shell one 501 and sealing shell two 502 are rotationally connected through the pivot 503, and the outer lateral wall of sealing shell two 502 is provided with the fixed bolt 504 by screw thread, and the inner wall of sealing shell one 501 and sealing shell two 502 is provided with the accommodating groove 505. The sealing property of the connecting place of flange 2 and transformer bushing body 1 is improved through anti -leakage unit 5.
[0024] The inner wall of accommodating groove 505 is installed with sealing pad 5051, and sealing pad 5051 is made of rubber material. The sealing effect of the connecting place of flange 2 and transformer bushing body 1 is further improved through sealing pad 5051.
[0025] Sealing shell one 501 and sealing shell two 502 are adapted to the outer lateral wall of flange 2 and transformer bushing body 1. The outer lateral wall of flange 2 and transformer bushing body 1 is protected through sealing shell one 501 and sealing shell two 502.
[0026] The one end of a plurality of fixed bolts 4 is penetrated in flange 2 and is connected with mounting hole 3.
[0027] The fixed bolt 504 is screwed through sealing shell one 501 and sealing shell two 502, and the outer lateral wall of the one end of fixed bolt 504 is provided with the fastening nut 5041 by screw thread. Sealing shell one 501 and sealing shell two 502 are connected through fastening nut 5041.
[0028] Working principle: when using, the flange 2 is connected with the mounting hole 3 through a plurality of fixing bolts 4, thereby connecting the flange 2 and the transformer bushing body 1, in addition, after the connection is completed, the sealing shell one 501 and the sealing shell two 502 are opened and are sleeved on the outer side wall of the connection part of the flange 2 and the transformer bushing body 1, the sealing shell one 501 and the sealing shell two 502 are closed through the rotating shaft 503, then the sealing shell one 501 and the sealing shell two 502 are tightly closed through the rotating fastening bolt 504 and the fastening nut 5041 is tightened, the sealing shell one 501 and the sealing shell two 502 are tightly closed, the sealing gasket 5051 in the inside is compressed, the sealing gasket 5051 is attached to the outer side wall of the connection part of the flange 2 and the transformer bushing body 1, thereby preventing leakage.
[0029] The above embodiment of the utility model is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, and various changes can be made within the knowledge range possessed by ordinary skilled in the art without departing from the purpose of the utility model.
Claims
1. An oil-impervious transformer bushing comprising: The utility model provides a transformer bushing body (1) and flange (2), its characterized in be provided with mounting hole (3) in both ends of transformer bushing body (1), a plurality of fixed bolts (4) are connected on one side of flange (2) in threaded mode, and the flange (2) is located one side of transformer bushing body (1), and the outer side wall of flange (2) and transformer bushing body (1) is provided with anti -infiltration unit (5); The anti -infiltration unit (5) includes the sealing shell no. (501) of setting up in the outer side wall of flange (2) and transformer bushing body (1), the upper portion of sealing shell no. (501) is provided with sealing shell two (502), and sealing shell no. (501) and sealing shell two (502) are rotatably connected through pivot (503), and the outer side wall of sealing shell two (502) is provided with fastening bolt (504) in threaded mode on the upper portion, and the inner wall of sealing shell no. (501) and sealing shell two (502) is provided with accommodating groove (505).
2. An oil tight transformer bushing according to claim 1, characterized in that The inner wall of accommodating groove (505) is provided with sealing pad (5051), and the sealing pad (5051) is made of rubber material.
3. An oil tight transformer bushing according to claim 1, characterized in that The outer side wall of sealing shell no. (501) and sealing shell two (502) is adapted to the outer side wall of flange (2) and transformer bushing body (1).
4. An oil tight transformer bushing according to claim 1, characterized in that The one end of a plurality of fixed bolts (4) is penetrated in flange (2) and is connected with mounting hole (3).
5. An oil tight transformer bushing according to claim 1, characterized in that The fastening bolt (504) is penetrated in sealing shell no. (501) and sealing shell two (502) in threaded mode, and the outer side wall of fastening bolt (504) penetration end is provided with fastening nut (5041) in threaded mode.