CN210467498U

CN210467498U - Power transformer with good anti-seismic performance

Info

Publication number: CN210467498U
Application number: CN201921663801.0U
Authority: CN
Inventors: 赖美娟
Original assignee: Ganzhou Xunkang Electronic Technology Co Ltd
Current assignee: Ganzhou Xunkang Electronic Technology Co Ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-05-05
Anticipated expiration: 2029-09-30

Abstract

The utility model relates to the technical field of transformers, in particular to a power transformer with good anti-seismic performance; the device comprises a shell, a body arranged in the shell and a metal fixing frame arranged on the body; the shell is provided with a socket component for connecting an electric appliance and a plug component for connecting an external power supply; anti-seismic components are arranged at four corners of the bottom of the metal fixing frame; the anti-seismic component comprises a top block, a middle sliding block, a bottom block, a guide post, an upper spring, a lower spring and a connecting piece; the bottom block is fixedly arranged on the inner wall of the shell; the top block and the bottom block are respectively arranged at two ends of the guide column; the middle sliding block is arranged between the top block and the bottom block; and the middle sliding block is connected with the guide post in a sliding manner. The utility model discloses anti-seismic performance is good.

Description

Power transformer with good anti-seismic performance

Technical Field

The utility model relates to a transformer technical field, concretely relates to power transformer that anti-seismic performance is good.

Background

It is known that the voltage of a foreign power supply is inconsistent with the voltage of a domestic power supply, so that the voltage of domestic electric appliances may be different from the voltage of the foreign power supply, and if the foreign electric appliances are directly connected with the domestic power supply or the domestic electric appliances are connected with the foreign power supply, the electric appliances may not work normally or even burn out, so that the electric appliances can work in proper voltage by being connected with a power transformer.

The existing power transformer has poor anti-seismic performance and is easy to be damaged by external force collision in the transportation process.

Disclosure of Invention

An object of the utility model is to overcome above shortcoming, provide a power transformer that anti-seismic performance is good, anti-seismic performance is good.

In order to achieve the above purpose, the specific scheme of the utility model is as follows: a power transformer with good anti-seismic performance comprises a shell, a body arranged in the shell and a metal fixing frame arranged on the body; the shell is provided with a socket component for connecting an electric appliance and a plug component for connecting an external power supply; anti-seismic components are arranged at four corners of the bottom of the metal fixing frame; the anti-seismic component comprises a top block, a middle sliding block, a bottom block, a guide post, an upper spring, a lower spring and a connecting piece; the bottom block is fixedly arranged on the inner wall of the shell; the top block and the bottom block are respectively arranged at two ends of the guide column; the middle sliding block is connected with the guide post in a sliding manner; the middle sliding block is arranged between the top block and the bottom block; two ends of the upper spring are respectively connected with the top block and the middle sliding block; two ends of the lower spring are respectively connected with the middle sliding block and the bottom block; one end of the connecting piece is connected with the middle sliding block; the other end of the connecting piece is connected with the bottom of the metal fixing frame.

The utility model is further provided with a plurality of radiating fins arranged on the outer wall of the metal fixing frame at equal intervals; the shell is provided with a plurality of air holes for heat dissipation.

The utility model discloses further set up to, the metal mount with be equipped with heat conduction silicone grease between the body.

The utility model is further provided that the connecting piece comprises a first transverse part, a second transverse part, a first longitudinal part and a second longitudinal part; the first transverse portion is connected with the first longitudinal portion; the first transverse part and the first longitudinal part form an L-shaped structure; the second transverse portion is connected with the second longitudinal portion; the second transverse part and the second longitudinal part form an L-shaped structure; one end of the first longitudinal part is connected with one end of the second longitudinal part; the first transverse part, the second transverse part, the first longitudinal part and the second longitudinal part form an inverted F-shaped structure; the first transverse part is arranged at the bottom of the metal fixing frame; the first transverse part is arranged above the top block; the second transverse part is fixedly connected with the middle sliding block.

The utility model is further provided that the connecting piece also comprises a nut and a bolt; the nut is arranged at the bottom of the side surface of the metal fixing frame; the bolt penetrates through the first longitudinal part and then is in threaded connection with the nut.

The utility model is further arranged that the body comprises a framework, a coil wound on the framework and an iron core arranged on the framework; the framework is provided with a notch for placing a leading-out end of the coil; the framework is also provided with a metal welding needle; the metal welding needle is arranged on one side of the notch; the metal welding needle is provided with a first contact end used for being connected with a leading-out end of the coil and a second contact end used for being connected with an external power supply line; the first contact end and the second contact end are both protruded to the outer side of the framework.

The utility model has the advantages that: when receiving external force vibrations through setting up, when receiving vibrations, under the effect of the pulling force of last spring and lower spring, can be respectively from two upper and lower directions buffering vibrations effort, then can protect the body, avoid damaging power transformer.

Drawings

The invention is further described with the aid of the accompanying drawings, in which, however, the embodiments do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be derived from the following drawings without inventive effort.

Fig. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a schematic structural view of the assembled body and metal holder;

FIG. 3 is a top view of the body and the metal holder after assembly;

FIG. 4 is a schematic structural view of a skeleton;

FIG. 5 is a schematic structural view of an intermediate slide and a connector;

FIG. 6 is a schematic structural view of a seismic component;

fig. 7 is a schematic structural view of the seismic component under the action of an external force.

Wherein: 10-a housing; 11-a socket part; 12-a plug member; 31-a heat sink; 32-air holes; 33-metal fixing frame; 4-anti-seismic component; 41-a top block; 42-middle slide block; 43-bottom block; 44-a guide post; 45-spring up; 46-a lower spring; 47-a connector; 471-a first transverse portion; 472-a second transverse portion; 473-a first longitudinal portion; 474-a second longitudinal portion; 48-a nut; 49-bolt; 2-body; 21-a backbone; 24-a notch; 25-a first contact end; 26-second contact end.

Detailed Description

The following detailed description of the present invention, taken in conjunction with the accompanying drawings and specific examples, is not intended to limit the scope of the invention.

As shown in fig. 1 to 7, the power transformer with good anti-seismic performance in this embodiment includes a housing 10, a main body 2 disposed inside the housing 10, and a metal fixing frame 33 mounted on the main body 2; the shell 10 is provided with a socket part 11 for connecting an electric appliance and a plug part 12 for connecting an external power supply; anti-seismic components 4 are arranged at four corners of the bottom of the metal fixing frame 33; the anti-seismic component 4 comprises a top block 41, a middle sliding block 42, a bottom block 43, a guide post 44, an upper spring 45, a lower spring 46 and a connecting piece 47; the bottom block 43 is fixedly arranged on the inner wall of the shell 10; the top block 41 and the bottom block 43 are respectively arranged at two ends of the guide column 44; the middle sliding block 42 is connected with the guide post 44 in a sliding manner, and the middle sliding block 42 is arranged between the top block 41 and the bottom block 43; two ends of the upper spring 45 are respectively connected with the top block 41 and the middle sliding block 42; two ends of the lower spring 46 are respectively connected with the middle sliding block 42 and the bottom block 43; one end of the connecting piece 47 is connected with the middle sliding block 42; the other end of the connecting piece 47 is connected with the bottom of the metal fixing frame 33.

For example, when the plug member 12 is used in a foreign region, the plug member 12 may be inserted into a foreign power supply socket, and then the socket member 11 on the housing 10 may be accessed by a domestic electrical appliance, i.e., the plug member 12 and the socket member 11 are electrically conducted and transformed through the body 2; the transformer can be used to work in rated voltage, so that the condition that the electric appliance can not be normally used or is damaged due to overload can be avoided.

When receiving external force vibration, the middle sliding block 42 slides up and down in a reciprocating manner along the guide post 44 to drive the metal fixing frame 33 of the connecting piece 47 to move up and down, and because the upper spring 45 and the lower spring 46 are respectively arranged above and below the middle sliding block 42, when receiving vibration, under the action of the tensile force of the upper spring 45 and the lower spring 46, the acting force of the vibration can be buffered from the upper direction and the lower direction respectively, the body 2 can be protected, and the body 2 is prevented from being damaged.

As shown in fig. 1-3, in the power transformer with good anti-seismic performance according to the present embodiment, a plurality of cooling fins 31 are disposed on the outer wall of the metal fixing frame 33 at equal intervals; the casing 10 is provided with a plurality of ventilation holes 32 for heat dissipation.

Specifically, the heat that power transformer during operation gived off, in the heat dissipation 31 conduction to the air, then flow out from second louvre 32 fast, prevent that the heat on the body 2 from gathering, reach quick radiating purpose, extension power transformer's life.

As shown in fig. 1-3, in the power transformer with good anti-seismic performance according to this embodiment, a heat-conducting silicone grease (not shown in the figure) is disposed between the metal fixing frame 33 and the body 2.

Specifically, the heat dissipated by the power transformer during operation is quickly diffused to the metal fixing frame 33 through the heat-conducting silicone grease, and is dissipated by the heating block.

As shown in fig. 5-7, in the power transformer with good earthquake-resistant performance according to the embodiment, the connector 47 includes a first horizontal portion 471, a second horizontal portion 472, a first vertical portion 473, and a second vertical portion 474; the first lateral portion 471 is connected to the first longitudinal portion 473; the first horizontal portion 471 and the first vertical portion 473 form an L-shaped structure; the second lateral portion 472 is connected to the second longitudinal portion 474; the second horizontal portion 472 and the second vertical portion 474 form an "L" -shaped structure; one end of the first longitudinal portion 473 is connected to one end of the second longitudinal portion 474; the first lateral portion 471, the second lateral portion 472, the first vertical portion 473, and the second vertical portion 474 form an inverted "F" -shaped configuration; the first transverse portion 471 is disposed at the bottom of the metal fixing frame 33; the first transverse portion 471 is disposed above the top block 41; the second transverse portion 472 is fixedly connected to the intermediate slider 42.

Specifically, the bottom of the metal fixing frame 33 may be connected to the first transverse portion 471 through glue; the bottom of the metal fixing frame 33 may also be in interference fit with the L-shaped structure formed by the first horizontal portion 471 and the first vertical portion 473; preventing the metal holder 33 from separating from the first transverse portion 471 during the transportation process; the first horizontal part 471 can support the bottom of the metal fixing frame 33, and the first vertical part 473 can limit the lateral movement of the metal fixing frame 33; the length of the second longitudinal portion 474 is set to ensure that the first transverse portion 471 does not collide with the top block 41 when the middle slider 42 slides to the bottom, so as to ensure that the anti-vibration member 4 can effectively buffer the external vibration.

As shown in fig. 5-7, in the power transformer with good anti-seismic performance according to the embodiment, the connecting member 47 further includes a nut 48 and a bolt 49; the nut 48 is arranged at the bottom of the side surface of the metal fixing frame 33; the bolt 49 is inserted through the first vertical portion 473 and then screwed to the nut 48.

Compared with a connection mode adopting glue, the nut 48 is connected with the bolt 49, so that later-period disassembly and maintenance are facilitated.

As shown in fig. 4, in the power transformer with good shock resistance of the present embodiment, the main body 2 includes a frame 21, a coil (not shown) wound on the frame 21, and an iron core (not shown) disposed on the frame 21; a notch 24 for placing a leading-out end of the coil is formed in the framework 21; the framework 21 is also provided with a metal welding needle; the metal welding pin is arranged on one side of the notch 24; the metal welding needle is provided with a first contact end 25 connected with a leading-out end of the coil and a second contact end 26 connected with an external power supply line; the first contact end 25 and the second contact end 26 both protrude to the outer side of the framework 21.

The traditional connection mode with the leading-out end of the coil is a direct connection mode, and because the position of the leading-out end is not fixed, one hand of a worker is required to continuously fix the leading-out end, the other hand is responsible for taking an external connecting wire and then taking an electric soldering iron, then the two are contacted, then a welding process can be carried out, and the speed is low; the position of the leading-out end of the coil can be effectively limited by arranging the notch 24, the subsequent wiring process is facilitated, the leading-out end can be rapidly welded with the first contact end 25 by arranging the metal welding pin beside the notch 24, and then the assembly can be rapidly completed only by welding the external connecting wire with the second contact end 26 fixed in position.

The above is only a preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the protection scope of the present invention.

Claims

1. The utility model provides a power transformer that anti-seismic performance is good which characterized in that: comprises a shell (10), a body (2) arranged in the shell (10) and a metal fixing frame (33) arranged on the body (2);

the shell (10) is provided with a socket component (11) for connecting an electric appliance and a plug component (12) for connecting an external power supply;

anti-seismic components (4) are arranged at four corners of the bottom of the metal fixing frame (33);

the anti-seismic component (4) comprises a top block (41), a middle sliding block (42), a bottom block (43), a guide column (44), an upper spring (45), a lower spring (46) and a connecting piece (47);

the bottom block (43) is fixedly arranged on the inner wall of the shell (10);

the top block (41) and the bottom block (43) are respectively arranged at two ends of the guide column (44); the middle sliding block (42) is connected with the guide post (44) in a sliding manner; the middle sliding block (42) is arranged between the top block (41) and the bottom block (43); two ends of the upper spring (45) are respectively connected with the top block (41) and the middle sliding block (42); two ends of the lower spring (46) are respectively connected with the middle sliding block (42) and the bottom block (43);

one end of the connecting piece (47) is connected with the middle sliding block (42); the other end of the connecting piece (47) is connected with the bottom of the metal fixing frame (33).

2. The power transformer with good shock resistance of claim 1, wherein: a plurality of radiating fins (31) are arranged on the outer wall of the metal fixing frame (33) at equal intervals; the shell (10) is provided with a plurality of air holes (32) for heat dissipation.

3. The power transformer with good shock resistance of claim 2, wherein: and heat-conducting silicone grease is arranged between the metal fixing frame (33) and the body (2).

4. The power transformer with good shock resistance of claim 1, wherein: the connector (47) comprises a first transverse part (471), a second transverse part (472), a first longitudinal part (473) and a second longitudinal part (474);

the first lateral portion (471) is connected to the first longitudinal portion (473); the first horizontal part (471) and the first vertical part (473) form an L-shaped structure;

the second lateral portion (472) is connected to the second longitudinal portion (474); the second transverse part (472) and the second longitudinal part (474) form an L-shaped structure;

one end of the first longitudinal portion (473) is connected to one end of the second longitudinal portion (474); the first horizontal part (471), the second horizontal part (472), the first vertical part (473) and the second vertical part (474) form an inverted F-shaped structure;

the first transverse part (471) is arranged at the bottom of the metal fixing frame (33); the first transverse part (471) is arranged above the top block (41); the second transverse part (472) is fixedly connected with the middle slide block (42).

5. The power transformer with good shock resistance of claim 4, wherein: the connecting piece (47) further comprises a nut (48) and a bolt (49);

the nut (48) is arranged at the bottom of the side surface of the metal fixing frame (33); the bolt (49) penetrates through the first vertical part (473) and then is in threaded connection with the nut (48).

6. The power transformer with good shock resistance of claim 1, wherein: the body (2) comprises a framework (21), a coil wound on the framework (21) and an iron core arranged on the framework (21);

a notch (24) for placing a leading-out end of the coil is formed in the framework (21); the framework (21) is also provided with a metal welding needle; the metal welding needle is arranged on one side of the notch (24);

the metal welding needle is provided with a first contact end (25) used for being connected with a leading-out end of the coil and a second contact end (26) used for being connected with an external power supply line; the first contact end (25) and the second contact end (26) are both protruded to the outer side of the framework (21).