Oil-immersed transformer with rapidly-detachable box cover
By introducing a locking component into the oil-immersed transformer, the snap-fit connection between the tank cover and the transformer body can be quickly disassembled, solving the operational complexity caused by bolt fixing in the prior art, improving assembly and disassembly efficiency, and reducing tool dependence.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-03
- Publication Date
- 2026-03-27
AI Technical Summary
The tank cover of existing oil-immersed transformers is fixed with multiple bolts, which makes the assembly and disassembly operations complicated and dependent on external tools, resulting in low efficiency.
The locking assembly includes a first fixing block, a mounting post, a guide ring, a locking pin, a connecting arm plate, a second fixing block, a connecting shaft, a mounting cavity, a compression spring, and a limit block. It achieves rapid assembly and disassembly of the tank cover and the transformer body through a snap-fit method.
The box cover and the transformer body are connected by a snap-fit mechanism, which facilitates assembly and disassembly, improves operational efficiency, reduces reliance on external tools, and lowers the workload.
Smart Images

Figure CN224052956U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to oil -immersed transformer technical field, specifically is an oil -immersed transformer of box cover quick disassembly. BACKGROUND
[0002] The box cover in the oil -immersed transformer is located at the upper part of the transformer body, and the box cover is fixed on the upper end outer surface of the transformer body through a plurality of bolts.
[0003] Through the fixing of a plurality of groups of bolts, firstly, the operation is more complex, and the assembly and disassembly time is increased, and secondly, the assembly and disassembly depend on external tools.
[0004] Therefore, we propose an oil -immersed transformer of box cover quick disassembly. UTILITY MODEL CONTENT
[0005] (I) the technical problem solved
[0006] In view of the deficiencies of the prior art, the utility model provides an oil -immersed transformer of box cover quick disassembly, which is convenient to assemble through the clamping mode between the box cover and the transformer body, and has the advantages of convenient operation, and can effectively solve the problems in the background art.
[0007] (II) technical scheme
[0008] In order to achieve the above object, the technical scheme adopted by the utility model is: an oil -immersed transformer of box cover quick disassembly, comprising a transformer body, the left and right sides of the upper part of the outer surface of the both ends of the transformer body are fixedly installed with lifting rings, the upper end outer surface of the transformer body is provided with a box cover, the box cover and the transformer body are connected with a locking assembly, the locking assembly comprises a first fixed block, a mounting column, a guide ring, a locking pin, a connecting arm plate, a second fixed block, a connecting shaft, a mounting cavity, a compression spring and a limiting block, and the outer surface of one side of the first fixed block is provided with a clamping hole, and the first fixed block is fixed on the outer wall of the upper part of the transformer body.
[0009] Preferably, the second fixed block is fixedly installed on the outer wall of the box cover.
[0010] Preferably, the connecting shaft is fixedly installed on the outer surface of one side of the second fixed block, and the connecting shaft is connected with the upper part of the outer surface of one side of the connecting arm plate, and the connecting shaft and the connecting arm plate are provided with a bearing, and the connecting shaft is rotatably connected with the connecting arm plate through the bearing.
[0011] Preferably, the guide ring is fixedly installed on the outer surface of one end of the mounting column, and the lower end outer surface of the connecting arm plate is fixedly connected with the outer surface of one end of the upper end of the mounting column, away from the guide ring.
[0012] Preferably, the mounting cavity is arranged in the interior of the mounting column, the compression spring and the limiting block are arranged in the mounting cavity, the locking pin is fixedly connected with the middle part of the outer surface of one side of the limiting block through penetrating the guide ring, and the compression spring is fixedly connected with the outer surface of the other side of the limiting block and the end of the mounting cavity away from the guide ring.
[0013] Preferably, the outer wall of the locking pin is in sliding connection with the guide ring, the outer wall of the limiting block is in sliding connection with the mounting cavity, and the outer wall of one end of the locking pin is in clamping connection with the clamping hole.
[0014] (Three) beneficial effects
[0015] Compared with the prior art, the utility model provides a kind of oil-immersed transformer of box cover quick disassembly, with following beneficial effects:
[0016] 1、The oil-immersed transformer of box cover quick disassembly, the locking assembly of being set, the box cover and the transformer body between being assembled by the mode of clamping, improve the efficiency of box cover assembly and disassembly.
[0017] 2、The oil-immersed transformer of box cover quick disassembly, the locking assembly of being set, when assembling and disassembling, do not need to rely on external tool, improve the convenience of operation. DETAILED DESCRIPTION
[0018] Figure 1 It is the overall structure schematic view of the utility model oil-immersed transformer of box cover quick disassembly.
[0019] Figure 2 It is the utility model oil-immersed transformer of box cover quick disassembly Figure 1 It is the enlarged view of A in the utility model oil-immersed transformer of box cover quick disassembly.
[0020] Figure 3 It is the structure exploded schematic view of the locking assembly in the utility model oil-immersed transformer of box cover quick disassembly.
[0021] Figure 4 It is the overhead sectional view of the mounting column in the utility model oil-immersed transformer of box cover quick disassembly.
[0022] In the drawing: 1, transformer body;2, lifting ring;3, box cover;4, locking assembly;5, first fixed block;6, clamping hole;7, mounting column;8, guide ring;9, locking pin;10, connecting arm plate;11, second fixed block;12, connecting shaft;13, mounting cavity;14, compression spring;15, limiting block. DETAILED DESCRIPTION
[0023] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.
[0024] The utility model discloses an oil -immersed transformer of box lid quick disassembly.
[0025] As shown in the figure, including transformer body, the left and right sides of the upper part of the outer surface of both ends of the transformer body are fixedly installed with lifting rings, the upper end of the outer surface of the transformer body is provided with a box cover, a locking assembly is connected between the box cover and the transformer body, the locking assembly comprises a first fixed block, a mounting column, a guide ring, a locking pin, a connecting arm plate, a second fixed block, a connecting shaft, a mounting cavity, a compression spring and a limiting block, and a clamping hole is formed in the outer surface of one side of the first fixed block, and the first fixed block is fixed to the outer wall of the upper part of the transformer body.
[0026] The second fixed block is fixedly installed on the outer wall of the box cover, the connecting shaft is fixedly installed on the outer surface of one side of the second fixed block, and the upper part of the outer surface of one side of the connecting arm plate is connected with the connecting shaft, a bearing is arranged between the connecting shaft and the connecting arm plate, and the connecting shaft is rotatably connected with the connecting arm plate through the bearing, the guide ring is fixedly installed on the outer surface of one end of the mounting column, and the lower end of the outer surface of the connecting arm plate is fixedly connected with the upper end of the outer surface of the mounting column away from the one end of the guide ring, the mounting cavity is formed in the inside of the mounting column, the compression spring and the limiting block are located in the mounting cavity, the locking pin is fixedly connected with the middle part of the outer surface of one side of the limiting block through the guide ring, the compression spring is fixedly installed on the other outer surface of the limiting block and is fixedly connected with the one end of the mounting cavity away from the guide ring, the outer wall of the locking pin and the guide ring are in sliding connection, the outer wall of the limiting block and the mounting cavity are in sliding connection, and the outer wall of one end of the locking pin and the clamping hole are in clamping connection.
[0027] It should be noted that the utility model is an oil -immersed transformer of box lid quick disassembly, the transformer body, the lifting ring and the box cover recorded in the paper all belong to the prior art, and the box cover is located on the upper end of the outer surface of the transformer body, which can be effectively known by the person skilled in the art, and specific details are not described again, the locking assembly is assembled between the box cover and the transformer body, the locking pin is extruded, the locking pin slides along the guide ring, one end of the locking pin enters the guide ring, the locking pin drives the limiting block to extrude the compression spring in the mounting cavity, one end of the locking pin enters the guide ring, then the mounting column is rotated, the mounting column rotates around the connecting shaft and is lowered, and when the locking pin reaches one end of the clamping hole, one end of the locking pin is clamped into the clamping hole due to the reaction force of the compression spring, the assembly of the box cover is realized, compared with the bolt fixing in the prior art, the clamping mode is more convenient, and the operation is convenient, without the aid of external tools, the labor of the workers is reduced, and the operation efficiency is improved.
[0028] It is to be noted that the relationship terms such as first and second (one and two) and the like are used herein only to differentiate one entity or action from another, and do not necessarily require or imply any such actual relationship or order between such entities or actions. Moreover, the terms "comprising", "including", or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element preceded by "comprises a" does not exclude the existence of additional identical elements in the process, method, article, or apparatus including the recited element.
[0029] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.
Claims
1. Quickly disassembled oil-immersed transformer with box cover, comprising a transformer body (1), a lifting ring (2) is fixedly installed on the left and right sides of the upper part of the outer surface of both ends of the transformer body (1), and a box cover (3) is arranged on the upper end of the outer surface of the transformer body (1), characterized in that: The box cover (3) is connected with the transformer body (1) and is provided with a locking assembly (4), the locking assembly (4) comprises a first fixed block (5), a mounting column (7), a guide ring (8), a locking pin (9), a connecting arm plate (10), a second fixed block (11), a connecting shaft (12), a mounting cavity (13), a compression spring (14) and a limiting block (15), a clamping hole (6) is formed in the outer surface of one side of the first fixed block (5), and the first fixed block (5) is fixed to the outer wall of the upper portion of the transformer body (1).
2. The oil immersed transformer with quick detachable tank cover as claimed in claim 1, wherein: The second fixed block (11) is fixedly installed on the outer wall of the box cover (3).
3. The oil immersed transformer with quick detachable tank cover as claimed in claim 2, wherein: The connecting shaft (12) is fixedly installed on the outer surface of one side of the second fixed block (11), and the connecting shaft (12) is connected with the upper portion of the outer surface of one side of the connecting arm plate (10), a bearing is arranged between the connecting shaft (12) and the connecting arm plate (10), and the connecting shaft (12) is rotatably connected with the connecting arm plate (10) through the bearing.
4. The oil immersed transformer with quick detachable tank cover as claimed in claim 3, wherein: The guide ring (8) is fixedly installed on the outer surface of one end of the mounting column (7), and the lower end outer surface of the connecting arm plate (10) is fixedly connected with the upper end outer surface of the mounting column (7) away from one end of the guide ring (8).
5. A quick-release tank cover oil-immersed transformer according to claim 4, characterized in that: The mounting cavity (13) is formed in the inside of the mounting column (7), the compression spring (14) and the limiting block (15) are located in the mounting cavity (13), the locking pin (9) is fixedly connected with the middle portion of the outer surface of one side of the limiting block (15) and penetrates through the guide ring (8), the compression spring (14) is fixedly installed on the other side of the outer surface of the limiting block (15) and is fixedly connected with one end of the mounting cavity (13) away from the guide ring (8).
6. A quick-release tank cover oil-immersed transformer according to claim 5, characterized in that: The outer wall of the locking pin (9) is slidably connected with the guide ring (8), the outer wall of the limiting block (15) is slidably connected with the mounting cavity (13), and the outer wall of one end of the locking pin (9) is clamped with the clamping hole (6).