Anti-leakage end cover of transformer oil tank
By installing the connection plate and sealing strip between the transformer fuel tank and the fuel tank end, the oil exudation problem is solved, and the oil detection and reminder is achieved through the collecting box and the fuel level sensor.
Patent Information
- Application Number
- CN202421203733.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-30
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2034-05-30
AI Technical Summary
The existing transformer oil tank is not effectively sealed when installing the fuel tank end cap, resulting in possible oil seepage.
A transformer fuel tank anti -leakage leakage cover is designed. The connection board and sealing strip is installed at the gap between the fuel tank end cover and the transformer fuel tank to achieve sealing and detect the exudate oil from the collection box and the fuel level sensor.
Effectively seal the gap between the transformer fuel tank and the end cover of the fuel tank to prevent the oil leakage and can collect and detect the exuded oil when the fuel tank fails.
Smart Images
Figure CN222421570U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of transformers, in particular to an anti-leakage end cover of a transformer oil tank. Background Art
[0002] The oil tank is the outer shell of the transformer, which contains the iron core and coil and is filled with transformer oil, so that the iron core and coil are immersed in the oil. The transformer oil plays the role of insulation and heat dissipation.
[0003] The existing oil tank end cover is fixed by multiple fixing screws during installation, but no sealing strip is laid on the gap between the transformer oil tank and the oil tank end cover for sealing, and oil leakage may occur when the transformer oil tank is working later.
[0004] In view of the above problems, it is necessary to provide a transformer oil tank anti-leakage end cover which can seal the gap between the transformer oil tank and the oil tank end cover. Utility Model Content
[0005] In order to overcome the shortcoming that a sealing strip is not laid at a gap between a transformer oil tank and an oil tank end cover, the utility model provides an anti-leakage end cover for a transformer oil tank.
[0006] The technical solution of the utility model: a transformer oil tank anti-leakage end cover, including a transformer oil tank, an oil tank end cover and a fixing screw, the oil tank end cover is placed on the transformer oil tank, the oil tank end cover is threadedly connected with the fixing screw, the fixing screw cooperates with the transformer oil tank thread, and also includes a connecting block, a telescopic rod, a limit block, a spring, a connecting plate, a first sealing strip, a first docking plate and a second docking plate, the oil tank end cover and the outer side of the transformer oil tank are symmetrically connected with a connecting block, the end faces of the connecting blocks are provided with sliding grooves, the outer side surfaces of the connecting blocks are horizontally symmetrically connected with the telescopic rods, the telescopic ends of the telescopic rods are connected with the limiting blocks, a protrusion is provided at the middle part of the outer side of the connecting block, a spring is connected between the protrusion of the connecting block and the limiting block, the sliding groove in the connecting block on the oil tank end cover is clamped with the first docking plate, the sliding groove in the connecting block on the transformer oil tank is clamped with the second docking plate, a connecting plate is connected between the first docking plate and the second docking plate, and the rear side of the connecting plate is connected with the first sealing strip.
[0007] Optionally, a collecting frame and an oil level sensor are also included. The collecting frame is connected to the rear side of the connecting plate, and the oil level sensor is installed at the bottom of the collecting frame.
[0008] Optionally, a second sealing strip and a third sealing strip are also included. The top of the collection frame contacts the oil tank end cover, the second sealing strip is connected to the rear side of the collection frame, the second sealing strip fits the contact position between the oil tank end cover and the collection frame, the third sealing strip is connected to the bottom of the collection frame, and the third sealing strip fits the connection between the bottom of the collection frame and the connecting plate.
[0009] Optionally, a toggle block is further included, and the limit block is connected to the toggle block.
[0010] Optionally, fixing grooves are provided on the transformer oil tank and the oil tank end cover, and the fixing screws penetrate the fixing grooves on the oil tank end cover and are then threadedly connected to the fixing grooves on the transformer oil tank.
[0011] Optionally, the connecting plate is in an inverted L shape.
[0012] Optionally, the number of connection blocks is not less than twelve.
[0013] The beneficial effects of the utility model are as follows: 1. By installing the connecting plate, the gap between the transformer oil tank and the oil tank end cover can be sealed, and the transformer oil tank and the oil tank end cover can be strengthened and fixed.
[0014] 2. When oil leakage occurs in the transformer oil tank due to a fault, the oil collection frame can be used to collect the oil, and the leaked oil can be detected by the oil level sensor. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.
[0016] Figure 2 It is an exploded view of the fuel tank end cover and the connecting plate of the utility model.
[0017] Figure 3 It is a three-dimensional structural schematic diagram of the connecting block, the limiting block and other parts of the utility model.
[0018] Figure 4 It is a three-dimensional structural schematic diagram of components such as a connecting plate and a first sealing strip of the utility model.
[0019] Figure 5 It is a three-dimensional structural schematic diagram of components such as the collecting frame and the second sealing strip of the utility model.
[0020] Figure 6 It is a three-dimensional structural schematic diagram of the collection frame, oil level sensor and other components of the utility model.
[0021] The meanings of the reference numerals in the figure are as follows: 1: transformer oil tank, 2: oil tank end cover, 3: fixing screw, 4: connecting block, 401: slide groove, 5: telescopic rod, 6: limit block, 7: spring, 8: connecting plate, 9: first sealing strip, 10: first docking plate, 11: second docking plate, 12: collecting frame, 13: oil level sensor, 14: second sealing strip, 15: third sealing strip, 16: toggle block. DETAILED DESCRIPTION
[0022] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail with reference to the accompanying drawings. It is hereby stated that the directional words such as up, down, left, right, front, back, inside, outside, etc. that appear or will appear in the text of the utility model are only based on the accompanying drawings of the utility model, and are not specific limitations of the utility model.
[0023] Embodiment: A transformer oil tank anti-leakage end cover, such as Figure 1-Figure 6 As shown, it includes a transformer oil tank 1, an oil tank end cover 2, a fixing screw 3, a connecting block 4, a telescopic rod 5, a limit block 6, a spring 7, a connecting plate 8, a first sealing strip 9, a first docking plate 10, a second docking plate 11, a collecting frame 12, an oil level sensor 13, a second sealing strip 14, a third sealing strip 15 and a toggle block 16. The oil tank end cover 2 is placed on the transformer oil tank 1, and fixing grooves are opened on the transformer oil tank 1 and the oil tank end cover 2. The fixing screw 3 passes through the fixing groove on the oil tank end cover 2 and then connects with the transformer oil tank 1. The fixing groove on the top is threadedly connected, and the fixing screw 3 is threadedly connected on the oil tank end cover 2. The fixing screw 3 is matched with the transformer oil tank 1 thread. The oil tank end cover 2 and the outer side of the transformer oil tank 1 are symmetrically connected with a connecting block 4. The number of connecting blocks 4 is not less than twelve. The end faces of the connecting blocks 4 are all provided with sliding grooves 401. The outer side of the connecting block 4 is horizontally symmetrically connected with a telescopic rod 5. The telescopic end of the telescopic rod 5 is connected to a limited block 6. The limit block 6 limits the first docking plate 10 and the second docking plate 11. The middle of the outer side of the connecting block 4 is provided The raised portion, the raised portion of the connecting block 4 and the limit block 6 are connected with a spring 7, the slide groove 401 in the connecting block 4 on the oil tank end cover 2 is clamped with a first docking plate 10, the slide groove 401 in the connecting block 4 on the transformer oil tank 1 is clamped with a second docking plate 11, a connecting plate 8 is connected between the first docking plate 10 and the second docking plate 11, the connecting plate 8 is in an inverted L shape, and a first sealing strip 9 is connected to the rear side of the connecting plate 8 to seal the gap between the transformer oil tank 1 and the oil tank end cover 2, and a collection frame 1 is connected to the rear side of the connecting plate 8 2, used for collecting oil, an oil level sensor 13 is installed at the bottom of the collecting frame 12 for detecting the oil, the top of the collecting frame 12 is in contact with the oil tank end cover 2, the rear side of the collecting frame 12 is connected with a second sealing strip 14, the second sealing strip 14 fits the contact position between the oil tank end cover 2 and the collecting frame 12, the bottom of the collecting frame 12 is connected with a third sealing strip 15, the third sealing strip 15 fits the connection between the bottom of the collecting frame 12 and the connecting plate 8, the limit block 6 is connected with a toggle block 16, the toggle block 16 can be toggled to drive the limit block 6 to move.
[0024] When the device is needed, when the oil tank end cover 2 needs to be installed, the user places the oil tank end cover 2 above the transformer oil tank 1, and then fixes the oil tank end cover 2 on the transformer oil tank 1 through a plurality of fixing screws 3, and then moves the toggle block 16 inward, the toggle block 16 drives the limit block 6 to move inward, the limit block 6 moves to make the telescopic rod 5 telescope inward, the spring 7 is compressed, and then the first docking plate 10 and the second docking plate 11 are clamped in the slide groove 401 of the connecting block 4 on the oil tank end cover 2 and the slide groove 401 of the connecting block 4 on the transformer oil tank 1, and the connecting plate 8 and the first sealing strip 9 are connected with the gap between the transformer oil tank 1 and the oil tank end cover 2. When the first docking plate 10 and the second docking plate 11 are connected, the user releases the toggle block 16, and then the spring 7 is reset to reset the telescopic rod 5, and then the limit block 6 moves outward, and the limit block 6 drives the toggle block 16 to move outward to complete the fixation of the connecting plate 8. When the transformer oil tank 1 fails and oil leakage occurs, the leaking oil will flow along the inner wall of the connecting plate 8 to the inside of the collecting frame 12, and the collecting frame 12 will collect it. When there is oil in the collecting frame 12, the oil level sensor 13 can detect the oil in the collecting frame 12. When the oil level sensor 13 detects the presence of oil, it will send a signal to remind the user that oil leakage occurs in the transformer oil tank 1.
[0025] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. A transformer oil tank anti-leakage end cover, comprising a transformer oil tank (1), an oil tank end cover (2) and a fixing screw (3), wherein the oil tank end cover (2) is placed on the transformer oil tank (1), the oil tank end cover (2) is threadedly connected with the fixing screw (3), and the fixing screw (3) is threadedly matched with the transformer oil tank (1), wherein: The invention also comprises a connecting block (4), a telescopic rod (5), a limit block (6), a spring (7), a connecting plate (8), a first sealing strip (9), a first docking plate (10) and a second docking plate (11); the oil tank end cover (2) and the outer side of the transformer oil tank (1) are symmetrically connected with the connecting block (4); the end surface of the connecting block (4) is provided with a sliding groove (401); the outer side surface of the connecting block (4) is horizontally symmetrically connected with the telescopic rod (5); the telescopic end of the telescopic rod (5) is connected with the limit block (6); A protrusion is provided at the middle of the outer side of the block (4); a spring (7) is connected between the protrusion of the connecting block (4) and the limit block (6); a first docking plate (10) is clamped in a sliding groove (401) in the connecting block (4) on the oil tank end cover (2); a second docking plate (11) is clamped in a sliding groove (401) in the connecting block (4) on the transformer oil tank (1); a connecting plate (8) is connected between the first docking plate (10) and the second docking plate (11); and a first sealing strip (9) is connected to the rear side of the connecting plate (8).
2. A transformer oil tank anti-leakage end cover according to claim 1, characterized in that: It also includes a collecting frame (12) and an oil level sensor (13); the collecting frame (12) is connected to the inner side of the connecting plate (8); and the oil level sensor (13) is installed at the bottom of the collecting frame (12).
3. A transformer oil tank anti-leakage end cover according to claim 2, characterized in that: It also includes a second sealing strip (14) and a third sealing strip (15); the top of the collection frame (12) contacts the oil tank end cover (2); the rear side of the collection frame (12) is connected to the second sealing strip (14); the second sealing strip (14) fits the contact position between the oil tank end cover (2) and the collection frame (12); the bottom of the collection frame (12) is connected to the third sealing strip (15); the third sealing strip (15) fits the connection between the bottom of the collection frame (12) and the connecting plate (8).
4. A transformer oil tank anti-leakage end cover according to claim 3, characterized in that: It also includes a toggle block (16), and the limit block (6) is connected to the toggle block (16).
5. A transformer oil tank anti-leakage end cover according to claim 4, characterized in that the transformer The oil tank (1) and the oil tank end cover (2) are provided with fixing grooves, and the fixing screws (3) penetrate the fixing grooves on the oil tank end cover (2) and are then threadedly connected with the fixing grooves on the transformer oil tank (1).
6. A transformer oil tank anti-leakage end cover according to claim 5, characterized in that: The connecting plate (8) is in an inverted L shape.
7. A transformer oil tank anti-leakage end cover according to claim 6, characterized in that: The number of the connecting blocks (4) is not less than twelve.