CN219497473U - Protective miniature transformer - Google Patents

Abstract

The utility model provides a protective small transformer, and relates to the field of transformer application. The protection type miniature transformer comprises a transformer body, windings and a plurality of wiring lines, wherein rubber plates are fixedly connected to two sides of the top of the transformer body, a plastic shell is arranged at the top of the transformer body, and limiting plates are arranged on two sides of the plastic shell. This small-size transformer of protection type, junction setting in recess and the inside of the great part of T-slot diameter of wiring and electric wire, and the electric wire runs through the less part of recess and T-slot diameter, make the position of electric wire fixed by plastics shell and rubber slab cooperation, seal the junction of wiring and electric wire and protect, avoid the user to touch the bad even incident of contact that junction of wiring and electric wire leads to by mistake, constitute a small-size transformer with protective structure jointly with transformer body, winding, wiring through rubber slab, plastics shell cooperation, guarantee the safety and stability in the use of small-size transformer.

Description

Protective miniature transformer

Technical Field

The utility model relates to a small transformer, in particular to a protective type small transformer, and belongs to the technical field of transformer application.

Background

The miniature transformer is a power transformer and an audio transformer with the power transformer below 2 kVA. The small transformer refers to a transformer which converts low voltage into high voltage by an electromagnetic induction principle. When the primary winding passes through alternating current, the transformer generates alternating magnetic field, the secondary winding correspondingly generates alternating magnetic field to generate alternating electromotive force through the induction action of the alternating magnetic field, the voltage of the secondary winding is related to the turn ratio of the secondary winding, and the main action of high voltage is to convert low voltage into required high voltage, so that insulation is particularly important in the production and manufacturing process.

Current patent application number: the utility model of 202121057816.X discloses a small transformer, comprising a circuit board and a transformer assembly fixed on the circuit board, wherein the transformer assembly comprises a framework, a primary winding, a secondary winding and an iron core, the primary winding and the secondary winding are wound on the framework, binding posts electrically connected with the primary winding and the secondary winding are arranged at the bottom of the framework respectively, the circuit board and each binding post are correspondingly provided with mounting holes, and the binding posts pass through the corresponding mounting holes and are welded and fixed, so that compared with the prior art, the transformer has the beneficial effects that: aiming at the defects in the prior art, the utility model aims to provide a small transformer which is compact in structure and convenient to assemble.

In the process of application, the miniature transformer is after the electric wire connection, and electric wire junction exposes in the air, receives external factor influence easily, appears connecting the not hard up condition to the condition that the careless touching of user leads to the electric shock probably appears, has the potential safety hazard.

Disclosure of Invention

Technical problem to be solved

The utility model aims to solve the problems that after the electric wire connection is completed, the electric wire connection part is exposed in the air, the electric wire connection part is easily affected by external factors, the connection is loose, the electric shock caused by careless touch of a user can be possibly caused, and the potential safety hazard is caused.

Technical proposal

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a protection type miniature transformer, includes transformer body, winding and a plurality of wiring, the equal fixedly connected with rubber slab in transformer body top both sides, transformer body top is provided with the plastic casing, the plastic casing both sides all are provided with the limiting plate, two the limiting plate bottom all is provided with the backup pad, a plurality of recesses have all been seted up to the plastic casing both sides, two a plurality of T-shaped grooves have all been seted up to the rubber slab, the inside fan that is provided with of plastic casing.

Preferably, a plurality of mounting holes are formed in two sides of the transformer body, a plurality of wiring lines are respectively and fixedly connected to two sides of the winding, the winding is mounted inside the transformer body, and the small-sized transformer with the protection structure is formed by matching a rubber plate and a plastic shell with the transformer body, the winding and the wiring lines together, so that safety and stability in the use process of the small-sized transformer are ensured.

Preferably, a plurality of through grooves are formed in each of the two rubber plates, and a plurality of wiring lines penetrate through the through grooves respectively.

Preferably, a bending plate is fixedly connected between the limiting plate and the plastic shell, and the supporting plate is fixedly connected to the top of the transformer body.

Preferably, a plurality of clamping grooves are formed in the bottom of the limiting plate, a plurality of supporting grooves are formed in the top of the supporting plate, the limiting plate provided with the clamping grooves moves to the top of the supporting plate to extrude and limit the wiring, and the wiring is fixed through the cooperation of the mounting holes and the limiting plate.

Preferably, the screw thread groove has all been seted up to plastics shell both sides, rubber slab threaded connection has mounting bolt, and inside the entering screw thread groove behind the rotatory rubber slab that runs through of mounting bolt, is in the same place rubber slab and plastics shell screw thread fixing through mounting bolt.

Preferably, the fan fixedly connected with installation pipe, installation pipe and plastics shell threaded connection, the inside fixedly connected with air duct of installation pipe, fan fixedly connected with two square pipes make the fan rotate through square pipe, rotate the installation pipe and break away from with the threaded connection of plastics shell, can accomplish the dismantlement of fan.

The utility model provides a protective small-sized transformer, which has the following beneficial effects:

the junction of the wiring and the wire is arranged inside the part with larger diameter of the groove and the T-shaped groove, and the wire penetrates through the part with smaller diameter of the groove and the T-shaped groove, so that the position of the wire is matched and fixed by the plastic shell and the rubber plate. Through plastic shell and rubber slab cooperation, carry out seal protection with the junction of wiring and electric wire, avoid the user to touch the bad contact even incident that the junction of wiring and electric wire leads to by mistake, constitute a small-size transformer that has protective structure jointly with transformer body, winding, wiring through rubber slab, plastic shell cooperation, guarantee the safety and stability in the use of small-size transformer.

The supporting groove is formed in the supporting plate fixed to the top of the transformer body, and one part of the wiring is pressed into the supporting groove. The limiting plate provided with the clamping groove moves to the top of the supporting plate to extrude and limit the wiring, the wiring is fixed through the cooperation of the mounting hole and the limiting plate, and poor contact caused by accidental pulling of the wiring is avoided.

The protection type small transformer has the advantages that the fan works to accelerate the air flow speed around the transformer body, and the windings inside the transformer body are radiated. And the fan is installed through the screw thread of the installation pipe, makes the fan rotate through the square pipe, rotates the installation pipe and breaks away from the screw thread fixing with the plastic shell, and can accomplish the dismantlement of fan.

Drawings

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

FIG. 2 is a schematic view of a limiting plate according to the present utility model;

FIG. 3 is a schematic view of the structure of the plastic shell of the present utility model;

fig. 4 is a schematic structural view of a square tube according to the present utility model.

In the figure: 1. a transformer body; 2. a winding; 3. a mounting hole; 4. wiring; 5. a rubber plate; 6. installing a bolt; 7. a plastic shell; 8. a thread groove; 9. a bending plate; 10. a limiting plate; 11. a clamping groove; 12. a groove; 13. a support plate; 14. a support groove; 15. a through groove; 16. a T-shaped groove; 17. a fan; 18. square tube; 19. installing a pipe; 20. and an air duct.

Description of the embodiments

The embodiment of the utility model provides a protection type small transformer.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, including the transformer body 1, winding 2 and a plurality of wiring 4, the equal fixedly connected with rubber slab 5 in transformer body 1 top both sides, a plurality of mounting holes 3 have all been seted up in transformer body 1 both sides, a plurality of wiring 4 are fixed connection respectively in winding 2 both sides, a plurality of logical groove 15 have all been seted up to two rubber slabs 5, a plurality of wiring 4 run through a plurality of logical grooves 15 respectively, winding 2 installs in transformer body 1 inside, transformer body 1 top is provided with plastic case 7, plastic case 7 both sides all are provided with limiting plate 10, fixedly connected with bent plate 9 between limiting plate 10 and the plastic case 7, backup pad 13 fixed connection is in transformer body 1 top, a plurality of draw-in grooves 11 have all been seted up in the bottom limiting plate 10, a plurality of supporting grooves 14 have been seted up at backup pad 13 top, two limiting plate 10 bottom all are provided with backup pad 13, a plurality of recesses 12 have all been seted up in plastic case 7 both sides, a plurality of T-shaped grooves 16 have all been seted up in two rubber slab 5, plastic case 7 inside is provided with fan 17, plastic case 7 inside is provided with screw thread groove 8 has all been seted up in plastic case 7 both sides, screw thread 8 has 5, screw thread connection has 6, screw thread connection has fan 19 to install fan 19, screw thread connection 19 has 17, screw thread connection has been connected with plastic case 19, and is fixed connection has fixed connection 19, and is fixed connection has been connected with screw thread pipe 17.

Specifically, the wire 4 extends between the two rubber plates 5 through the groove 15, and after the wire 4 is connected to the electric wire, the wire 4 is pulled to move the connection portion of the wire 4 and the electric wire to a part of the inside of the T-shaped groove 16, and a part of the electric wire is pressed to the inside of the T-shaped groove 16. After connecting the plurality of wires 4 with the plurality of wires in sequence according to the above method, the plastic shell 7 is aligned between the two rubber plates 5 and then pressed, so that the plastic shell 7 provided with the groove 12 can be pressed between the two rubber plates 5. At this time, the connection part of the wiring 4 and the electric wire is arranged inside the part with larger diameter of the groove 12 and the T-shaped groove 16, and the electric wire penetrates through the part with smaller diameter of the groove 12 and the T-shaped groove 16, so that the position of the electric wire is matched and fixed by the plastic shell 7 and the rubber plate 5. Through plastic case 7 and rubber slab 5 cooperation, carry out seal protection with the junction of wiring 4 and electric wire, avoid the user to touch the bad contact even the incident that the junction of wiring 4 and electric wire leads to by mistake, constitute a small-size transformer that has protective structure jointly with transformer body 1, winding 2, wiring 4 through rubber slab 5, plastic case 7 cooperation, guarantee the safety and stability in the use of small-size transformer.

After the plastic shell 7 moves between the two rubber plates 5, the mounting bolts 6 are rotated to penetrate through the rubber plates 5 and then enter the threaded grooves 8, and the rubber plates 5 and the plastic shell 7 are fixed together through the mounting bolts 6 in a threaded mode. And the plastic shell 7 is fixedly connected with the limiting plate 10 through the bent plate 9, and meanwhile, the supporting plate 13 fixed at the top of the transformer body 1 is provided with the supporting groove 14, and part of the wiring 4 is pressed into the supporting groove 14. The limiting plate 10 provided with the clamping groove 11 moves to the top of the supporting plate 13 to extrude and limit the wiring 4, the wiring 4 is fixed through the matching of the mounting hole 3 and the limiting plate 10, and poor contact caused by accidental pulling of the wiring 4 is avoided. The wire 4 and the wire made of aluminum wire or copper wire have certain plasticity, which is the application of common products

Meanwhile, the fan 17 is connected inside the plastic shell 7 through the mounting tube 19 in a threaded manner, and meanwhile, the air duct 20 is fixedly connected inside the mounting tube 19, so that the fan 17 can work, the air flow speed around the transformer body 1 is accelerated when the fan 17 works, and the heat dissipation is performed on the winding 2 inside the transformer body 1. The fan 17 is screwed by the mounting tube 19, the fan 17 is rotated by the square tube 18, the mounting tube 19 is rotated to be separated from the screw thread fixing with the plastic shell 7, and the disassembly of the fan 17 can be completed, so that the functionality of the protection structure is improved.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a protection type miniature transformer, includes transformer body (1), winding (2) and a plurality of wiring (4), its characterized in that: the transformer is characterized in that rubber plates (5) are fixedly connected to two sides of the top of the transformer body (1), plastic shells (7) are arranged on the top of the transformer body (1), limiting plates (10) are arranged on two sides of the plastic shells (7), supporting plates (13) are arranged at the bottoms of the limiting plates (10), a plurality of grooves (12) are formed in two sides of the plastic shells (7), a plurality of T-shaped grooves (16) are formed in the rubber plates (5), and fans (17) are arranged inside the plastic shells (7).

2. A shielded miniature transformer according to claim 1, wherein: a plurality of mounting holes (3) are formed in two sides of the transformer body (1), a plurality of wiring lines (4) are fixedly connected to two sides of the winding (2) respectively, and the winding (2) is mounted inside the transformer body (1).

3. A shielded miniature transformer according to claim 1, wherein: a plurality of through grooves (15) are formed in each of the two rubber plates (5), and the wiring (4) penetrates through the through grooves (15) respectively.

4. A shielded miniature transformer according to claim 1, wherein: and a bending plate (9) is fixedly connected between the limiting plate (10) and the plastic shell (7), and the supporting plate (13) is fixedly connected to the top of the transformer body (1).

5. A shielded miniature transformer according to claim 1, wherein: a plurality of clamping grooves (11) are formed in the bottom of the limiting plate (10), and a plurality of supporting grooves (14) are formed in the top of the supporting plate (13).

6. A shielded miniature transformer according to claim 1, wherein: screw grooves (8) are formed in two sides of the plastic shell (7), and the rubber plate (5) is connected with a mounting bolt (6) in a threaded mode.

7. A shielded miniature transformer according to claim 1, wherein: the fan (17) is fixedly connected with a mounting pipe (19), the mounting pipe (19) is in threaded connection with the plastic shell (7), an air duct (20) is fixedly connected inside the mounting pipe (19), and the fan (17) is fixedly connected with two square pipes (18).