Compressing and sealing structure of mutual inductor

Abstract

The utility model discloses a mutual inductor pressing and sealing structure which comprises a box body, an internal element matched with the box body is placed in the box body, pressing rods are arranged in the middle positions of the tops of the two sides in the box body in a penetrating mode, and the pressing rods are matched with the internal element. Pressing rods are arranged on the two sides of the box body, abutting blocks are arranged on the sides, away from each other, of the two pressing rods, U-shaped clamping blocks are arranged in the middles of the two sides of the box body, the top of the box body is covered with a sealing cover plate, pressing plates matched with internal elements are arranged at the bottom of the sealing cover plate, and clamping assemblies are arranged in the middles of the two sides of the top of the sealing cover plate. Through mutual cooperation of the U-shaped clamping block, the sealing cover plate, the fixing screw rod, the internal thread sleeve block, the connecting plate and the clamping block, the covering and sealing function of the interior of the mutual inductor can be achieved, the phenomenon that gas or oil in the mutual inductor leaks out in the later period is prevented, and the later sealing use effect and quality of the mutual inductor are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of transformers, in particular to a mutual inductor pressing and sealing structure. Background Art

[0002] During the transportation of transformers, the transformer lifting seat needs to be inflated with air (oil) and sealed, and the internal transformer needs to be pressed tightly to ensure that the structure of the transformer is stable and not loose during transportation and transformer on-site operation, and the external lifting seat is sealed and does not leak air (oil).

[0003] The internal structure of existing transformers is relatively simple, and most of them are not equipped with a clamping mechanism, which leads to the loosening of the transformer body during the later transportation of the transformer, causing collision damage to some internal components, affecting the quality of later transportation. Utility Model Content

[0004] The utility model aims to provide a transformer pressing and sealing structure, which is convenient for realizing the pressing state and sealing function inside the transformer.

[0005] To achieve the above-mentioned purpose, a transformer pressing and sealing structure is provided, including a box body, wherein internal components matching the box body are placed inside the box body, pressing rods are penetrated at the middle positions of the tops on both sides of the box body, and the pressing rods and the internal components cooperate with each other, and resistance blocks are provided on the sides away from each other of the two groups of pressing rods, and U-shaped clamping blocks are provided at the middle positions of both sides of the box body, the top of the box body is covered with a sealing cover plate, and the bottom of the sealing cover plate is provided with a pressing plate matching the internal components, and the middle positions of both sides of the top of the sealing cover plate are provided with clamping assemblies, and the middle positions of both sides of the bottom of the sealing cover plate are provided with resistance rods, and the resistance rods and the resistance blocks cooperate with each other, so as to facilitate the stability and sealing performance of the transformer during the later transportation.

[0006] According to the described mutual inductor pressing and sealing structure, the clamping assembly includes an internal threaded sleeve, a fixed screw, a connecting plate and a clamping block. The fixed screws are provided with two groups, and the two groups of fixed screws are located at the middle positions on both sides of the top of the sealing cover plate. The outer sides of the two groups of fixed screws are threadedly sleeved with internal threaded sleeves, and the two groups of internal threaded sleeves are provided with connecting plates on the sides away from the bottom, and the two groups of connecting plates are provided with clamping blocks that are clamped with U-shaped clamping blocks on the bottoms on the sides close to each other, so as to facilitate the closing and fixing of the sealing cover plate.

[0007] According to the described mutual inductor pressing and sealing structure, the tops of the two groups of connecting plates close to each other are provided with limiting grooves, and the interiors of the two groups of limiting grooves are slidably provided with limiting sliders connected to the sealing cover plates, so as to facilitate the displacement of the connecting plates and prevent them from rotating with the fixing screw rod later.

[0008] According to the transformer pressing and sealing structure, the tops of the two groups of fixed screws are provided with rotating blocks, and the outsides of the two groups of rotating blocks are provided with anti-slip grooves, so as to improve the stability of subsequent rotation.

[0009] According to the transformer pressing and sealing structure, bearings are provided at the middle positions of both sides of the top of the sealing cover plate, and the bearings cooperate with the fixing screw rod to facilitate the rotation installation of the fixing screw rod.

[0010] The above scheme has the beneficial effect that the U-shaped block, the sealing cover plate, the fixing screw, the internal thread sleeve block, the connecting plate and the block cooperate with each other to realize the sealing function inside the transformer, so as to prevent the leakage of gas or oil inside the transformer in the later stage, so as to improve the sealing effect and quality of the transformer in the later stage;

[0011] Moreover, through the mutual cooperation of the sealing cover plate, the clamping plate, the resisting rod, the resisting block and the clamping rod, in the process of realizing the sealing and covering of the transformer, the internal components can also be compressed to improve the stability of the transformer in the later transportation and improve its transportation quality and service life.

[0012] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0014] Figure 1 It is a three-dimensional structural schematic diagram of a mutual inductor pressing and sealing structure of the utility model;

[0015] Figure 2 This is a front cross-sectional view of a transformer pressing and sealing structure of the utility model;

[0016] Figure 3 It is a three-dimensional structural schematic diagram of a pressing rod of a mutual inductor pressing and sealing structure of the utility model;

[0017] Figure 4 The utility model is a three-dimensional structural schematic diagram of a U-shaped clamping block of a mutual inductor pressing and sealing structure.

[0018] Legend:

[0019] 1. Box body; 2. U-shaped clamping block; 3. Clamping rod; 4. Clamping plate; 5. Sealing cover plate; 6. Internal thread sleeve block; 7. Fixing screw; 8. Connecting plate; 9. Resistance rod; 10. Resistance block; 11. Clamping block; 12. Internal components. DETAILED DESCRIPTION

[0020] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0021] Reference Figure 1-4 The utility model embodiment is a transformer pressing and sealing structure, which includes a box body 1, an internal component 12 matched with the box body 1 is placed inside, a pressing rod 3 is penetrated at the middle position of the top of both sides of the box body 1, and the pressing rod 3 and the internal component 12 cooperate with each other, and a resistance block 10 is provided on the side away from the two groups of pressing rods 3, and a U-shaped block 2 is provided at the middle position of both sides of the box body 1, and a sealing cover plate 5 is covered on the top of the box body 1, and a pressing plate 4 matched with the internal component 12 is provided at the bottom of the sealing cover plate 5, and a clamping assembly is provided at the middle position of both sides of the top of the sealing cover plate 5, and a resistance rod 9 is provided at the middle position of both sides of the bottom of the sealing cover plate 5, and the resistance rod 9 and the resistance block 10 cooperate with each other.

[0022] The clamping assembly includes an internal threaded sleeve 6, a fixed screw 7, a connecting plate 8 and a clamping block 11. There are two groups of fixed screws 7, and the two groups of fixed screws 7 are located in the middle position on both sides of the top of the sealing cover plate 5. The outer sides of the two groups of fixed screws 7 are threadedly sleeved with internal threaded sleeves 6, and the two groups of internal threaded sleeves 6 are provided with connecting plates 8 on the sides away from the bottom. The bottoms of the two groups of connecting plates 8 are provided with clamping blocks 11 that are clamped with the U-shaped clamping block 2.

[0023] The tops of the two sets of connecting plates 8 on the sides close to each other are both provided with limiting sliding grooves, and the insides of the two sets of limiting sliding grooves are both slidably provided with limiting sliding blocks connected with the sealing cover plate 5 .

[0024] The tops of the two sets of fixed screws 7 are both provided with rotating blocks, and the exteriors of the two sets of rotating blocks are both provided with anti-slip grooves.

[0025] Bearings are provided at the middle positions of both sides of the top of the sealing cover plate 5 , and the bearings are matched with the fixing screws 7 .

[0026] Working principle: When in use, the internal component 12 can be placed inside the box 1 first, and then the sealing cover plate 5 and the above parts can be taken and covered on the top of the box 1. At this time, through the design and cooperation of the guiding slopes of the resisting rod 9 and the resisting block 10, the resisting rod 9 can push the resisting block 10 to drive the pressing rod 3 to move inside the box 1, so as to realize the pressing work on both sides of the internal component 12. Moreover, through the covering of the sealing cover plate 5 and the design of the pressing plate 4, the pressing operation of the top of the internal component 12 during the covering can be realized, which is convenient for providing guarantee for the stability of the transportation of the transformer in the later stage.

[0027] When the sealing cover plate 5 is closed, the screw 7 is fixed to rotate inside the internal threaded sleeve block 6, and then the internal threaded sleeve block 6 can be moved upward, so that the internal threaded sleeve block 6 can drive the connecting plate 8 and the clamping block 11 to move upward outside the box body 1, and then the clamping block 11 can be clamped into the inside of the U-shaped clamping block 2. The structural design of this component can realize the sealing covering work, and the compression and fixing work of the internal component 12 can also be realized, which effectively improves the transportation quality of the mutual inductor and the practicability of the compression and sealing use.

[0028] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A transformer pressing and sealing structure, comprising: A box body (1), characterized in that an internal component (12) matching with the box body (1) is placed inside the box body (1), a clamping rod (3) is penetrated at the middle position of the top of both sides of the box body (1), and the clamping rod (3) and the internal component (12) cooperate with each other, and a resistance block (10) is provided on the side away from the two groups of clamping rods (3), and a U-shaped clamping block (2) is provided at the middle position of both sides of the box body (1), the top of the box body (1) is covered with a sealing cover plate (5), and the bottom of the sealing cover plate (5) is provided with a clamping plate (4) matching with the internal component (12), and the middle positions of both sides of the top of the sealing cover plate (5) are provided with a snap-fit ​​assembly, and the middle positions of both sides of the bottom of the sealing cover plate (5) are provided with a resistance rod (9), and the resistance rod (9) and the resistance block (10) cooperate with each other.

2. A transformer pressing and sealing structure according to claim 1, characterized in that: The clamping assembly comprises an internal thread sleeve (6), a fixed screw (7), a connecting plate (8) and a clamping block (11). The fixed screw (7) is provided with two groups. The two groups of fixed screws (7) are located at the middle positions of the two sides of the top of the sealing cover plate (5). The outer sides of the two groups of fixed screws (7) are both threadedly sleeved with internal thread sleeves (6). The two groups of internal thread sleeves (6) are both provided with connecting plates (8) on the sides away from the bottom. The two groups of connecting plates (8) are both provided with clamping blocks (11) that are clamped with the U-shaped clamping block (2) on the bottoms on the sides close to each other.

3. A transformer pressing and sealing structure according to claim 2, characterized in that: The tops of the two groups of connecting plates (8) on the sides close to each other are both provided with limiting sliding grooves, and limiting sliding blocks connected to the sealing cover plate (5) are slidably provided inside the two groups of limiting sliding grooves.

4. A transformer pressing and sealing structure according to claim 2, characterized in that: The tops of the two sets of fixed screw rods (7) are both provided with rotating blocks, and the exteriors of the two sets of rotating blocks are both provided with anti-slip grooves.

5. A transformer pressing and sealing structure according to claim 1, characterized in that: Bearings are provided at the middle positions of both sides of the top of the sealing cover plate (5), and the bearings are matched with the fixing screw rods (7).

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