CN219435648U

CN219435648U - Transformer with protective structure

Info

Publication number: CN219435648U
Application number: CN202320490438.7U
Authority: CN
Inventors: 申忠伟; 关天正; 魏仲达; 赵建影; 许久
Original assignee: Hebei Tianyu Jiuwu Electric Co ltd
Current assignee: Hebei Tianyu Jiuwu Electric Co ltd
Priority date: 2023-03-15
Filing date: 2023-03-15
Publication date: 2023-07-28
Anticipated expiration: 2033-03-15

Abstract

The utility model discloses a transformer with a protective structure, which comprises a shell, wherein the upper surface of the shell is provided with a protective device, the upper surface of the shell is fixedly connected with an insulating sleeve, the lower surface of the shell is fixedly connected with supporting legs, the inside of each supporting leg is provided with a buffer device, and the protective device comprises a mounting frame, and the upper surface of the mounting frame is slidably connected with a positioning block.

Description

Transformer with protective structure

Technical Field

The utility model relates to the technical field of transformers, in particular to a transformer with a protection structure.

Background

The transformer mainly refers to a device for changing alternating voltage by utilizing the principle of electromagnetic induction, so that high-voltage power output by a power plant can be converted by the transformer and then output to be household 220V voltage, and the power consumption requirement of people is met.

In the prior art, it is often necessary to install a transformer above the corresponding electrical support facilities, so as to prevent it from being touched by people by mistake, jeopardizing the safety of people.

However, in the practical use process, since the transformer is often arranged at a high place, when the external wind force is large, the cable connected to the insulating sleeve is pushed along with the transformer, so that the cable is at risk of being pushed to break by the wind force, and meanwhile, when the transformer is impacted by external force, the existing transformer device is of an integrated structure, so that the internal electric elements of the transformer device are impacted to a certain extent, and the service life of the transformer device is influenced.

Disclosure of Invention

The primary object of the present utility model is to provide a transformer with a protection structure, which solves the above mentioned problems of the prior art.

In order to achieve the above purpose, the transformer with the protection structure provided by the utility model comprises a shell, wherein a protection device is arranged on the upper surface of the shell, an insulating sleeve is fixedly connected to the upper surface of the shell, supporting legs are fixedly connected to the lower surface of the shell, and a buffer device is arranged inside the supporting legs;

the protection device comprises a mounting frame, the upper surface sliding connection of mounting frame has the locating piece, the surface fixedly connected with positioning spring of locating piece, the internal surface fixedly connected with slider of locating piece, the surface sliding connection of slider has the mounting frame, the internal surface sliding connection of slider has the slide bar, the lower surface fixedly connected with shell of mounting frame.

Preferably, the supporting leg is arranged in a C shape, the mounting frame is arranged in a C shape, and a plurality of groups of inclined sliding grooves are formed in the upper surface of the mounting frame.

Preferably, a plurality of groups of arc-shaped grooves are formed in the sliding groove on the upper surface of the mounting frame, and a through hole penetrating through the sliding groove is formed in the center of the upper surface of the mounting frame.

Preferably, the positioning blocks are arranged in a fan shape, four groups of positioning blocks are arranged, and the four groups of positioning blocks are distributed in a circumferential array by taking the center of a through hole at the upper end of the mounting frame as the center of the array.

Preferably, the adjacent positioning blocks are elastically connected through positioning springs, a through hole is formed in the center of the inner surface of each positioning block, and a through hole is formed in the inner surface of each sliding block.

Preferably, the buffer device comprises an elastic supporting rod, and the outer surface of the elastic supporting rod penetrates through and is fixedly connected with supporting legs.

Preferably, the upper end of the supporting leg is provided with a through hole which penetrates through, the inner surface of the supporting leg is fixedly connected with a plugboard, and a plurality of groups of extrusion blocks are arranged on two sides of the plugboard.

Preferably, the outer surface of the extrusion block is contacted with a contact block, the outer surface of the contact block is fixedly connected with a shell, and the lower surface of the shell is provided with a rectangular groove.

Compared with the prior art, the utility model has the following beneficial effects:

(1) When the transformer with the protection structure is used, an external cable is required to be connected to the insulating sleeve, the cable can penetrate through the through hole in the center of the mounting frame, people can lift the sliding rod upwards, the sliding rod can release the limit of the positioning blocks, the positioning springs can drive the positioning blocks to be close to each other, and meanwhile the sliding rod is required to be extruded downwards to be inserted into the arc-shaped groove at the upper end of the mounting frame, so that the positioning blocks can be limited, and then the cable is subjected to fracture prevention protection of the wiring end through the clamping formed by the positioning blocks.

(2) When the transformer with the protection structure is used, when the transformer is impacted by external force, the shell can downwards extrude the elastic supporting rod below to buffer the impact force above, and meanwhile, the inserting plate can be continuously inserted into the shell in the extrusion process, so that the extrusion block on the outer surface of the inserting plate is driven to continuously extrude the contact block, and the motion damping of the shell is formed through the contact between the extrusion block and the contact block, so that the shell above is damped and buffered, and deformation of the shell is prevented when the shell is impacted by external force to a certain extent.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the protection device of the present utility model;

FIG. 3 is a schematic view of the cross-sectional structure of the lower end of the housing of the present utility model;

FIG. 4 is a schematic view of a buffer device according to the present utility model.

In the figure: 1. a housing; 2. a protective device; 3. a buffer device; 4. an insulating sleeve; 5. support legs; 201. a positioning block; 202. a positioning spring; 203. a slide bar; 204. a slide block; 205. a mounting frame; 301. a contact block; 302. an elastic support rod; 303. inserting plate; 304. extruding the blocks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the transformer with the protection structure comprises a shell 1, wherein a protection device 2 is arranged on the upper surface of the shell 1, the upper surface of the shell 1 is fixedly connected with an insulating sleeve 4, the lower surface of the shell 1 is fixedly connected with supporting legs 5, and a buffer device 3 is arranged in the supporting legs 5;

the protection device 2 comprises a mounting frame 205, the upper surface of the mounting frame 205 is in sliding connection with a positioning block 201, the intrados of the positioning block 201 is made of rubber, so that the positioning block 201 can generate larger friction force with the positioning block when in contact with the cable, the outer surface of the positioning block 201 is fixedly connected with a positioning spring 202, the inner surface of the positioning block 201 is fixedly connected with a sliding block 204, the outer surface of the sliding block 204 is in sliding connection with the mounting frame 205, the inner surface of the sliding block 204 is in sliding connection with a sliding rod 203, and the lower surface of the mounting frame 205 is fixedly connected with a shell 1.

In the embodiment of the utility model, the supporting leg 5 is arranged in a C shape, the mounting frame 205 is arranged in a C shape, the upper surface of the mounting frame 205 is provided with a plurality of groups of inclined sliding grooves, the inside of the sliding groove on the upper surface of the mounting frame 205 is provided with a plurality of groups of arc-shaped grooves, the cross section of each arc-shaped groove is identical to that of the sliding rod 203, so that the sliding rod 203 can be inserted into the mounting frame 205 to limit the position of the positioning block 201, the center of the upper surface of the mounting frame 205 is provided with a through hole, the positioning block 201 is provided with four groups, the center of the through holes at the upper end of the mounting frame 205 is arranged in a circular array, the adjacent positioning blocks 201 are elastically connected through the positioning springs 202, the center of the inner surface of the positioning block 201 is provided with a through hole, the inner surface of the sliding block 204 is provided with a through hole, the buffer device 3 comprises elastic supporting rods 302, the outer surfaces of the elastic supporting rods 302 are penetrated and are fixedly connected with the supporting leg 5, the elastic supporting rods 302 are elastic telescopic rods in the prior art, therefore the working principle of the elastic telescopic rods are not in a repeated manner, the upper ends of the supporting leg 5 are provided with through holes, the inner surfaces of the supporting legs 5 are fixedly connected with the through holes, the inner surfaces of the supporting legs 303 are fixedly connected with the through holes at the center of the through holes, the inner surfaces of the supporting legs 303 are fixedly arranged, the outer surfaces of the elastic supporting rods are fixedly connected with the elastic telescopic rods, and are in the elastic telescopic rods, and are fixedly connected with the outer surfaces of the elastic telescopic rods, and are in the outer surfaces of the elastic rods, and contact with the outer surfaces of the vibration blocks with the vibration damper blocks, and vibration blocks, and have 1, and contact with the vibration damper blocks, and have 1.

During operation (or during use), the external cable is required to be connected to the insulating sleeve 4, at this time, the cable will pass through the through hole in the center of the mounting frame 205, and people can lift the sliding rod 203 upwards, at this time, the sliding rod 203 will release the limit of the external sliding block 204 and the positioning blocks 201, at this time, the positioning springs 202 will drive the positioning blocks 201 to be close to each other through self elasticity, so as to fix the external cable, after the fixing of the cable is completed, the springs need to press the sliding rod 203 downwards to enable the sliding rod 203 to be inserted into the arc-shaped groove at the upper end of the mounting frame 205, so that the positioning blocks 201 can be limited, and further the clamping formed by the positioning blocks 201 can prevent the cable from being broken.

Meanwhile, when the device is impacted by external force, the shell 1 can downwards extrude the elastic supporting rod 302 below, at the moment, the elastic supporting rod 302 can buffer the impact force above through the self elastic deformation capacity, meanwhile, the inserting plate 303 can be continuously inserted into the shell 1 in the extrusion process, so that the extrusion block 304 on the outer surface of the inserting plate is driven to continuously extrude the contact block 301, and the motion damping of the shell 1 is formed through the contact between the extrusion block and the contact block, so that the shock absorption and the buffering are carried out on the shell 1 above, and the deformation of the shell 1 is prevented when the shell is impacted by external force to a certain extent.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Transformer with protective structure, including shell (1), its characterized in that: the upper surface of the shell (1) is provided with a protection device (2), the upper surface of the shell (1) is fixedly connected with an insulating sleeve (4), the lower surface of the shell (1) is fixedly connected with supporting legs (5), and a buffer device (3) is arranged in the supporting legs (5);

the protection device (2) comprises a mounting frame (205), the upper surface sliding connection of mounting frame (205) has locating piece (201), the surface fixedly connected with positioning spring (202) of locating piece (201), the internal surface fixedly connected with slider (204) of locating piece (201), the surface sliding connection of slider (204) has mounting frame (205), the internal surface sliding connection of slider (204) has slide bar (203), the lower surface fixedly connected with shell (1) of mounting frame (205).

2. A transformer with protective structure according to claim 1, characterized in that: the supporting legs (5) are arranged in a C shape, the mounting frame (205) is arranged in a C shape, and a plurality of groups of inclined sliding grooves are formed in the upper surface of the mounting frame (205).

3. A transformer with protective structure according to claim 1, characterized in that: the inner part of the sliding groove on the upper surface of the mounting frame (205) is provided with a plurality of groups of arc-shaped grooves, and the center of the upper surface of the mounting frame (205) is provided with a through hole.

4. A transformer with protective structure according to claim 1, characterized in that: the positioning blocks (201) are arranged in a fan shape, four groups of positioning blocks (201) are arranged, and the four groups of positioning blocks (201) are distributed in a circumferential array by taking the center of a through hole at the upper end of the mounting frame (205) as the center of the array.

5. A transformer with protective structure according to claim 1, characterized in that: the adjacent positioning blocks (201) are elastically connected through positioning springs (202), through holes are formed in the centers of the inner surfaces of the positioning blocks (201), and through holes are formed in the inner surfaces of the sliding blocks (204).

6. A transformer with protective structure according to claim 1, characterized in that: the buffer device (3) comprises an elastic supporting rod (302), and the outer surface of the elastic supporting rod (302) penetrates through and is fixedly connected with supporting legs (5).

7. The transformer with protective structure of claim 6, wherein: the upper end of supporting leg (5) has seted up the through-hole that runs through, the internal surface fixedly connected with picture peg (303) of supporting leg (5), the both sides of picture peg (303) are provided with multiunit extrusion piece (304).

8. The transformer with protective structure of claim 7, wherein: the outer surface of extrusion piece (304) contacts has contact block (301), the surface fixedly connected with shell (1) of contact block (301), rectangular recess has been seted up to the lower surface of shell (1).