CN217114081U

CN217114081U - Anti-seismic transformer of safety and stability

Info

Publication number: CN217114081U
Application number: CN202220219091.8U
Authority: CN
Inventors: 陈恩注
Original assignee: Vanguard Zhuhai Magnetic Technology Co ltd
Current assignee: Vanguard Zhuhai Magnetic Technology Co ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-08-02
Anticipated expiration: 2032-01-25

Abstract

The utility model provides a safe, stable and shock-resistant transformer, which comprises an insulating shell, a framework, a first magnetic core, a second magnetic core and a copper foil rubber sleeve, wherein the framework comprises a winding post, a primary winding and a secondary winding are wound on the outer peripheral wall of the winding post, and the axle center of wrapping post sets up the axle through-hole that runs through the setting, the transversal rectangle setting of personally submitting of axle through-hole, first magnetic core includes the first magnetism post that first magnetic sheet and protrusion first magnetic sheet set up, the second magnetic core includes the second magnetism post that second magnetic sheet and protrusion second magnetic sheet set up, the copper foil gum cover cup joints between the lateral wall of first magnetic sheet and the lateral wall of second magnetic sheet, insulating casing includes first lateral wall, the second lateral wall, the third lateral wall, the fourth lateral wall, fifth lateral wall and sixth lateral wall, secondary winding's coil is polyurethane enameled wire, insulating casing, the skeleton, it is fixed through the epoxy encapsulation between first magnetic core and the second magnetic core. The utility model discloses the security of transformer is high, and job stabilization is reliable, and anti-seismic performance is good.

Description

Anti-seismic transformer of safety and stability

Technical Field

The utility model relates to a transformer technical field specifically is a relate to a antidetonation transformer of safety and stability.

Background

The transformer is an indispensable electronic component in electronic equipment, the transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, main components are a framework, a primary coil, a secondary coil and a magnetic core, and the transformer has the following main functions: voltage transformation, current transformation, impedance transformation, isolation, and the like.

With the development of modern electronic technology, the increase of the working frequency of the chip also promotes the volume of the electronic transformer to be miniaturized. In order to meet the requirement of miniaturized electronic equipment, the framework and the magnetic core of the transformer are necessarily designed in a miniaturized mode, but the existing miniaturized transformer has the safety problems of insufficient safety distance of a primary coil and a secondary coil, unstable performance, poor anti-seismic effect and the like, and the problem is urgently needed to be solved in the miniaturization development of the transformer.

Disclosure of Invention

The utility model mainly aims at providing a high security, job stabilization are reliable and anti-seismic performance is good transformer.

In order to achieve the main purpose, the utility model provides a safe and stable anti-seismic transformer, which comprises an insulating shell, a framework, a first magnetic core, a second magnetic core and a copper foil rubber sleeve, wherein the framework comprises a winding post, a primary winding and a secondary winding are wound on the peripheral wall of the winding post, a shaft through hole penetrating through the winding post is formed in the axis of the winding post, the cross section of the shaft through hole is in a rectangular arrangement, the first magnetic core comprises a first magnetic plate and a first magnetic post protruding out of the first magnetic plate, the first magnetic post is positioned in the first end of the shaft through hole in the length direction of the shaft through hole, the first magnetic plate is abutted against the first end surface of the winding post, the second magnetic core comprises a second magnetic plate and a second magnetic post protruding out of the second magnetic plate, the second magnetic post is positioned in the second end of the shaft through hole in the length direction of the shaft through hole, the second magnetic plate is abutted against the second end surface of the winding post, the cross sections of the first magnetic post and the second magnetic post are both in a rectangular arrangement, the first end of the winding post in the length direction of the shaft through hole is convexly provided with a plurality of primary pins, the plurality of primary pins are arranged side by side in the width direction of the shaft through hole, each primary pin extends far away from the winding post in the height direction of the shaft through hole, the output end of a primary winding is connected with the primary pins, a copper foil rubber sleeve is sleeved between the outer side wall of the first magnetic plate and the outer side wall of the second magnetic plate in the length direction of the shaft through hole, the insulating shell comprises a first side wall, a second side wall, a third side wall, a fourth side wall, a fifth side wall and a sixth side wall, the first side wall and the second side wall are respectively positioned at two sides of the winding post in the height direction of the shaft through hole, the outer side surface of the second side wall far away from the first side wall is convexly provided with a first positioning block, the third side wall is connected with the first side wall, the second side wall and the fourth side wall is connected with the first side wall and the second side wall and positioned at the end surface of the second magnetic plate far away from the first magnetic plate, the bottom end of the fourth side wall, which is far away from the first side wall in the height direction of the shaft through hole, is provided with a plurality of secondary pins, the plurality of secondary pins are arranged side by side in the width direction of the shaft through hole, the output end of the secondary winding penetrates through the first side wall and is connected with the secondary pins, the secondary pins and the primary pins are positioned at the same side of the shaft through hole, the coil of the secondary winding is a polyurethane enameled wire, the fifth side wall is connected with the second side wall and the fourth side wall and extends away from the winding post in the length direction of the shaft through hole, the fifth side wall extends away from the winding post in the height direction of the shaft through hole, the sixth side wall is connected with one side of the fifth side wall, which is far away from the fourth side wall, and extends in the width direction of the shaft through hole, the sixth side wall and the fourth side wall are positioned at two sides of the fifth side wall in the width direction of the shaft through hole, and one side of the sixth side wall, which is far away from the fifth side wall, is convexly provided with a second positioning block, and the insulating shell, the framework, the first magnetic core and the second magnetic core are packaged and fixed through epoxy resin.

As can be seen from the above solution, the output end of the transformer of the present invention penetrates through the first side wall and is connected with the secondary pin, the secondary pin is disposed on the fourth side wall in the height direction of the shaft through hole, the secondary pin and the primary pin are located on the same side of the shaft through hole, thereby increasing the safety distance between the primary winding and the secondary winding, even under long-term high pressure, the output end of the primary winding and the output end of the secondary winding are always in a separated state, thereby avoiding short circuit, making the transformer of the present invention work more safely, stably and reliably, satisfying the creepage distance between the primary winding and the secondary winding of the transformer, meanwhile, the secondary winding flies out from the top of the transformer in a top flying wire manner, thereby reducing the whole volume of the transformer, further reducing the occupied space of the transformer, and in addition, the coil of the secondary winding of the present invention is a polyurethane enameled wire (FIW wire), polyurethane enameled wire (FIW line) is a high temperature resistant, strengthen insulating enameled wire, can satisfy the withstand voltage requirement of primary, secondary winding, thereby reinforcing the utility model discloses the work security of transformer. And, the utility model discloses the transformer cup joints between the lateral wall of first magnetic sheet and the lateral wall of second magnetic sheet on the length direction of axle through-hole through the copper foil gum cover, and the copper foil gum cover forms closed circuit in the periphery of transformer when fastening first magnetic core and second magnetic core, when leakage magnetic flux passes closed circuit, can produce the vortex in the copper foil gum cover, consequently can produce the reflexive flux in order to offset partial leakage magnetic flux to reach anti-interference purpose. Furthermore, the utility model discloses it is fixed through the epoxy encapsulation between insulating casing, skeleton, first magnetic core and the second magnetic core of transformer, make the utility model discloses the work of transformer is safety and stability more. In addition, the third side wall and the fourth side wall of the insulating shell of the transformer of the utility model are arranged in an L-shaped structure, the fifth side wall and the sixth side wall of the insulating shell are arranged in an L-shaped structure, and the insulating shell is designed into a double L-shaped structure, so that the insulating shell can effectively disperse stress generated by vibration to play a good buffering role, thereby increasing the working stability of the transformer, meanwhile, the outer side surface of the second side wall of the insulating shell of the utility model, which is far away from the first side wall, is convexly provided with a first positioning block, the fifth side wall is far away from the winding post and extends in the height direction of the shaft through hole, the side of the sixth side wall, which is far away from the fifth side wall, is convexly provided with a second positioning block, thereby insulating casing can be fixed well with the mounting groove of PCB board, is favorable to the utility model discloses the quick installation of transformer, and make the utility model discloses the installation of transformer is firm more stable. Therefore, the utility model discloses the demand of miniaturized electronic equipment is adapted to the transformer, and work safety and stability is reliable more, and anti-seismic performance is stronger.

The framework further comprises a first side plate and a second side plate, the first side plate and the second side plate are respectively located at two ends of the wrapping post in the length direction of the shaft through hole and protrude out of the peripheral wall of the wrapping post, the shaft through hole penetrates through the first side plate and the second side plate, a first positioning groove is formed in the end face, far away from the second side plate, of the first side plate, a second positioning groove is formed in the end face, far away from the first side plate, of the second side plate, the first magnetic plate is embedded into the first positioning groove, the second magnetic plate is embedded into the second positioning groove, and primary pins are arranged in the first side plate in a protruding mode.

The further scheme is that a plurality of wire grooves are formed in the first side plate, the wire grooves and the primary pins are arranged in the width direction of the shaft through hole in a staggered and side-by-side mode, and the output end of the primary winding penetrates through the wire grooves to be connected with the primary pins.

The further scheme is that a plurality of first radiating grooves are formed in one end, close to the first side wall, of the first side plate in the height direction of the shaft through hole, the first radiating grooves are arranged side by side in the width direction of the shaft through hole, and each first radiating groove penetrates through the first side plate in the length direction of the shaft through hole.

The further scheme is that a plurality of second radiating grooves are formed in one end, close to the first side wall, of the second side plate in the height direction of the shaft through hole, the second radiating grooves are arranged side by side in the width direction of the shaft through hole, and each second radiating groove penetrates through the second side plate in the length direction of the shaft through hole.

The third side plate is provided with a plurality of third radiating grooves which are arranged side by side in the width direction of the shaft through hole, and each third radiating groove penetrates through the second side plate in the length direction of the shaft through hole.

The second magnetic plate is connected with the second side wall through a second pin, the second side wall is connected with the third side wall through a second magnetic plate, the second side wall is connected with the fourth side wall, and the output end of the secondary winding passes through the outer side surface of the second side wall and is connected with the second pin.

The further scheme is that a positioning plate is convexly arranged on the side face, close to the fourth side wall, of the fifth side wall, and the positioning plate is located at the upper end, far away from the secondary pin, of the fifth side wall in the height direction of the shaft through hole and is connected with the fourth side wall.

The further scheme is that a limiting groove is formed in one end, far away from the fifth side wall, of the positioning plate, and the limiting groove penetrates through the positioning plate in the height direction of the shaft through hole.

The first magnetic column and the second magnetic column are mutually abutted in the length direction of the shaft through hole; and/or the end face of the first magnetic plate close to the second magnetic plate is provided with two first baffles in a protruding mode, the two first baffles are symmetrically arranged in the width direction of the shaft through hole, the end face of the second magnetic plate close to the first magnetic plate is provided with two second baffles in a protruding mode, the two second baffles are symmetrically arranged in the width direction of the shaft through hole, and the first baffle and the second baffle are mutually abutted and arranged in the length direction of the shaft through hole and located on the outer side of the secondary winding.

Drawings

Fig. 1 is a first view structural diagram of an embodiment of the transformer of the present invention, which is safe, stable and shock-resistant.

Fig. 2 is a second view structural diagram of an embodiment of the transformer of the present invention, which is safe, stable and shock-resistant.

Fig. 3 is an exploded view of an embodiment of the present invention, a transformer that is safe, stable, and shock resistant.

Fig. 4 is a sectional view of an embodiment of the transformer of the present invention, which is safe, stable and shock-resistant.

Fig. 5 is a first view structural diagram of the framework in the embodiment of the transformer of the present invention, which is safe, stable and shock-resistant.

Fig. 6 is a second view structural diagram of the framework in the embodiment of the transformer of the present invention, which is safe, stable and shock-resistant.

Fig. 7 is a first view structural diagram of the housing in an embodiment of the transformer of the present invention, which is safe, stable and shock-resistant.

Fig. 8 is a second view structural diagram of the housing in an embodiment of the transformer of the present invention that is safe, stable and shock resistant.

The present invention will be further explained with reference to the drawings and examples.

Detailed Description

Referring to fig. 1 to 8, the present embodiment discloses a safe, stable and shock-resistant transformer 1, which includes an insulating housing 11, a framework 16, a first magnetic core 17, a second magnetic core 18 and a copper foil rubber sleeve 12, wherein the framework 16 includes a winding post 161, a primary winding (not labeled) and a secondary winding 13 are wound around an outer circumferential wall of the winding post 161, an axial through hole 162 penetrating through the winding post 161 is formed in an axial center of the winding post 161, and a cross section of the axial through hole 162 is rectangular. In the present embodiment, the first magnetic core 17 includes a first magnetic plate 171 and a first magnetic pillar 172 protruding from the first magnetic plate 171, the first magnetic pillar 172 is located in a first end of the shaft through hole 162 in the length direction of the shaft through hole 162, the first magnetic plate 171 abuts against a first end surface of the winding pillar 161, the second magnetic core 18 includes a second magnetic plate 181 and a second magnetic pillar 182 protruding from the second magnetic plate 181, the second magnetic pillar 182 is located in a second end of the shaft through hole 162 in the length direction of the shaft through hole 162, the second magnetic plate 181 abuts against a second end surface of the winding pillar 161, and cross sections of the first magnetic pillar 172 and the second magnetic pillar are both rectangular. In addition, a plurality of primary pins 15 are convexly arranged at the first end of the winding post 161 in the length direction of the shaft through hole 162 in the embodiment, the plurality of primary pins 15 are arranged side by side in the width direction of the shaft through hole 162, each primary pin 15 extends away from the winding post 161 in the height direction of the shaft through hole 162, the output end of the primary winding is connected with the primary pin 15, and the copper foil rubber sleeve 12 is sleeved between the outer side wall of the first magnetic plate 171 and the outer side wall of the second magnetic plate 181 in the length direction of the shaft through hole 162.

The insulating housing 11 of this embodiment includes a first sidewall 111, a second sidewall 114, a third sidewall 113, a fourth sidewall 115, a fifth sidewall 116, and a sixth sidewall 117, where the first sidewall 111 and the second sidewall 114 are respectively located at two sides of the winding post 161 in the height direction of the shaft through hole 162, an outer side surface of the second sidewall 114 away from the first sidewall 111 is provided with a first positioning block 1110 in a protruding manner, the third sidewall 113 is connected to the first sidewall 111, the second sidewall 114, and the fourth sidewall 115, the fourth sidewall 115 is connected to the first sidewall 111 and the second sidewall 114 and is located at an end surface of the second magnetic plate 181 away from the first magnetic plate 171, a bottom end of the fourth sidewall 115 away from the first sidewall 111 in the height direction of the shaft through hole 162 is provided with a plurality of secondary pins 14, the plurality of secondary pins 14 are arranged side by side in the width direction of the shaft through hole 162, an output end of the secondary winding 13 penetrates through the first sidewall 111 and is connected to the secondary pins 14, the secondary pin 14 is located on the same side of the shaft through hole 162 as the primary pin 15, and the coil of the secondary winding 13 is a polyurethane enameled wire. Furthermore, the fifth sidewall 116 is connected to the second sidewall 114 and the fourth sidewall 115 and extends away from the winding post 161 in the length direction of the shaft through hole 162, the fifth sidewall 116 extends away from the winding post 161 in the height direction of the shaft through hole 162, the sixth sidewall 117 is connected to one side of the fifth sidewall 116 away from the fourth sidewall 115 and extends in the width direction of the shaft through hole 162, the sixth sidewall 117 and the fourth sidewall 115 are located at two sides of the fifth sidewall 116 in the width direction of the shaft through hole 162, and a second positioning block 1111 is convexly disposed at one side of the sixth sidewall 117 away from the fifth sidewall 116. In the present embodiment, the insulating case 11, the frame 16, the first magnetic core 17, and the second magnetic core 18 are fixed by epoxy resin encapsulation.

The output end of the transformer 1 of this embodiment penetrates through the first side wall 111 and is connected with the secondary pin 14, the secondary pin 14 is disposed at the bottom end of the fourth side wall 115 far away from the first side wall 111 in the height direction of the shaft through hole 162, the secondary pin 14 and the primary pin 15 are located at the same side of the shaft through hole 162, so as to increase the safety distance between the primary and secondary windings, and even under long-term high-voltage action, the output end of the primary winding and the output end of the secondary winding 13 can be always in a separated state, thereby avoiding short circuit, so that the transformer 1 of this embodiment can work more safely, stably and reliably, and the creepage distance between the primary and secondary windings of the transformer 1 can be satisfied, and meanwhile, the secondary winding 13 flies out from the top of the transformer 1 in a top flying wire manner, so as to reduce the overall volume of the transformer 1, and further reduce the occupied space of the transformer 1, and in addition, the coil of the secondary winding 13 of this embodiment is a polyurethane enameled wire (FIW wire), the polyurethane enameled wire (FIW wire) is a high-temperature-resistant, reinforced and insulated enameled wire, and can meet the voltage insulation and withstand requirements of the primary and secondary windings 13, so that the working safety of the transformer 1 in the embodiment is enhanced. In addition, in the transformer 1 of the present embodiment, the copper foil rubber sleeve 12 is sleeved between the outer side wall of the first magnetic plate 171 and the outer side wall of the second magnetic plate 181 in the length direction of the shaft through hole 162, the copper foil rubber sleeve 12 forms a closed loop at the periphery of the transformer 1 while fastening the first magnetic core 17 and the second magnetic core 18, and when leakage magnetic flux passes through the closed loop, eddy current is generated in the copper foil rubber sleeve 12, so that a back magnetic flux is generated to offset a part of the leakage magnetic flux, thereby achieving the purpose of interference resistance. In addition, the insulating housing 11, the bobbin 16, the first magnetic core 17, and the second magnetic core 18 of the transformer 1 of the present embodiment are encapsulated and fixed by epoxy resin, so that the transformer 1 of the present embodiment is safer and more stable in operation. In addition, the third sidewall 113 and the fourth sidewall 115 of the insulating housing 11 of the transformer 1 of this embodiment are disposed in an "L" shape, and the fifth sidewall 116 and the sixth sidewall 117 of the insulating housing 11 are also disposed in an "L" shape, the insulating housing 11 is designed in a double "L" shape, so that the insulating housing 11 can effectively disperse the stress generated by vibration to achieve a good buffering effect, thereby increasing the working stability of the transformer 1 of this embodiment, meanwhile, the outer side surface of the second sidewall 114 of the insulating housing 11 away from the first sidewall 111 of this embodiment is convexly provided with the first positioning block 1110, the fifth sidewall 116 is extended away from the winding post 161 in the height direction of the shaft through hole 162, and the side of the sixth sidewall 117 away from the fifth sidewall 116 is convexly provided with the second positioning block 1111, so that the insulating housing 11 can be well fixed with the mounting groove of the PCB board, thereby facilitating the quick mounting of the transformer 1 of this embodiment, and makes the installation of the transformer 1 of the present embodiment more stable. Therefore, the transformer 1 of the embodiment meets the requirements of miniaturized electronic equipment, and is safer, more stable and more reliable in work and stronger in anti-seismic performance.

In order to improve the assembling stability and accuracy of the framework 16 and the first and second

magnetic cores

17 and 18, the framework 16 of this embodiment further includes a first side plate 163 and a second side plate 165, the first side plate 163 and the second side plate 165 are respectively located at two ends of the winding post 161 in the length direction of the shaft through hole 162 and protrude out of the outer circumferential wall of the winding post 161, the shaft through hole 162 penetrates through the first side plate 163 and the second side plate 165, a first positioning groove 164 is formed in an end surface of the first side plate 163, which is far away from the second side plate 165, a second positioning groove 1610 is formed in an end surface of the second side plate 165, which is far away from the first side plate 163, the first magnetic plate 171 is embedded in the first positioning groove 164, the second magnetic plate 181 is embedded in the second positioning groove 1610, and the first side plate 163 protrudes to be provided with the primary pin 15.

In order to facilitate assembly and production of the transformer 1, the first side plate 163 of this embodiment is provided with a plurality of wire slots 167, the plurality of wire slots 167 and the plurality of primary pins 15 are staggered and arranged side by side in the width direction of the shaft through hole 162, and the output end of the primary winding passes through the wire slots 167 to be connected with the primary pins 15.

In order to further improve the operational reliability and stability of the transformer 1, the first magnetic pillar 172 and the second magnetic pillar 182 are disposed in abutment with each other in the longitudinal direction of the shaft through hole 162 in the present embodiment, the end surface of the first magnetic plate 171 near the second magnetic plate 181 is provided with two first stoppers 173 in a protruding manner, the two first stoppers 173 are symmetrically disposed with respect to the width direction of the shaft through hole 162, the end surface of the second magnetic plate 181 near the first magnetic plate 171 is provided with two second stoppers 183 in a protruding manner, the two second stoppers 183 are symmetrically disposed with respect to the width direction of the shaft through hole 162, and one first stopper 173 and one second stopper 183 are disposed in abutment with each other in the longitudinal direction of the shaft through hole 162 and are located outside the secondary winding 13.

In order to improve the heat dissipation capability of the transformer 1, in the present embodiment, the first side plate 163 is provided with a plurality of first heat dissipation grooves 166 at an end of the shaft through hole 162 close to the first side wall 111 in the height direction, the plurality of first heat dissipation grooves 166 are arranged side by side in the width direction of the shaft through hole 162, each of the first heat dissipation grooves 166 is arranged through the first side plate 163 in the length direction of the shaft through hole 162, the second side plate 165 is provided with a plurality of second heat dissipation grooves 168 at an end of the shaft through hole 162 close to the first side wall 111 in the height direction, the plurality of second heat dissipation grooves 168 are arranged side by side in the width direction of the shaft through hole 162, each of the second heat dissipation grooves 168 is arranged through the second side plate 165 in the length direction of the shaft through hole 162, the second side plate 165 is provided with a plurality of third heat dissipation grooves 169 at an end of the shaft through hole 162 close to the second side wall 114 in the height direction, the plurality of the third heat dissipation grooves 169 are arranged side by side in the width direction of the shaft through hole 162, and each of the third heat dissipation grooves 169 is disposed through the second side plate 165 in the length direction of the shaft through-hole 162.

In order to further reduce the volume of the transformer 1, in this embodiment, an inclined wall 112 is connected between the first side wall 111 and the third side wall 113, the inclined wall 112 extends from the first side wall 111 to the third side wall 113 in an inclined manner toward the second side wall 114, the side of the inclined wall 112, which is far away from the first magnetic plate 171 in the length direction of the shaft through hole 162, is connected to the fourth side wall 115, and the output end of the secondary winding 13 passes through the outer side surface of the inclined wall 112 and is connected to the secondary pin 14.

In order to further enhance the mounting stability of the transformer 1, in the present embodiment, a positioning plate 118 is protruded from a side surface of the fifth sidewall 116 close to the fourth sidewall 115, the positioning plate 118 is located at an upper end of the fifth sidewall 116 far away from the secondary pin 14 in the height direction of the shaft through hole 162 and is connected to the fourth sidewall 115, and the positioning plate 118 can abut against the electronic components on the PCB. Specifically, in this embodiment, a limiting groove 119 is formed at an end of the positioning plate 118 away from the fifth side wall 116, the limiting groove 119 is disposed through the positioning plate 118 in the height direction of the through hole 162, and the positioning structure of the electronic component of the PCB board can be inserted into the limiting groove for fixing.

Finally, it should be emphasized that the above-described preferred embodiments of the present invention are merely examples of implementations, and are not intended to limit the scope of the present invention, as those skilled in the art will appreciate that various changes and modifications may be made without departing from the spirit and scope of the invention, and it is intended to cover all such modifications, equivalents, and improvements as fall within the true spirit and scope of the invention.

Claims

1. A safe, stable and shock-resistant transformer comprises an insulating shell, a framework, a first magnetic core, a second magnetic core and a copper foil rubber sleeve, wherein the framework comprises a winding post, a primary winding and a secondary winding are wound on the outer peripheral wall of the winding post, a shaft through hole penetrating through the axis of the winding post is formed in the axis of the winding post, and the cross section of the shaft through hole is rectangular;

first magnetic core includes first magnetic sheet and protrusion the first magnetism post that first magnetic sheet set up, first magnetism post is located the axle through-hole is in the ascending first end of length direction of axle through-hole, first magnetic sheet butt is in on the first terminal surface of wrapping post, just the second magnetic core includes second magnetic sheet and protrusion the second magnetism post that the second magnetic sheet set up, the second magnetism post is located the axle through-hole is in the ascending second end of length direction of axle through-hole, the second magnetic sheet butt is in on the second terminal surface of wrapping post, first magnetism post with the cross section of second magnetism all is rectangle setting, its characterized in that:

a plurality of primary pins are convexly arranged at the first end of the winding post in the length direction of the shaft through hole, the plurality of primary pins are arranged side by side in the width direction of the shaft through hole, each primary pin extends away from the winding post in the height direction of the shaft through hole, the output end of the primary winding is connected with the primary pins, and the copper foil rubber sleeve is sleeved between the outer side wall of the first magnetic plate and the outer side wall of the second magnetic plate in the length direction of the shaft through hole;

the insulation housing comprises a first side wall, a second side wall, a third side wall, a fourth side wall, a fifth side wall and a sixth side wall, wherein the first side wall and the second side wall are respectively positioned at two sides of the winding post in the height direction of the shaft through hole, a first positioning block is arranged on the second side wall in a protruding mode on the outer side surface far away from the first side wall, the third side wall is connected with the first side wall, the second side wall and the fourth side wall, the fourth side wall is connected with the first side wall and the second side wall and is positioned on the end surface of the second magnetic plate far away from the first magnetic plate, a plurality of secondary pins are arranged at the bottom end of the fourth side wall far away from the first side wall in the height direction of the shaft through hole, the plurality of secondary pins are arranged side by side in the width direction of the shaft through hole, and the output end of the secondary winding penetrates through the first side wall and is connected with the secondary pins, the secondary pin and the primary pin are positioned on the same side of the shaft through hole, and a coil of the secondary winding is a polyurethane enameled wire;

the fifth side wall is connected with the second side wall and the fourth side wall and extends away from the winding post in the length direction of the shaft through hole, the fifth side wall extends away from the winding post in the height direction of the shaft through hole, the sixth side wall is connected with one side of the fifth side wall, away from the fourth side wall, and extends in the width direction of the shaft through hole, the sixth side wall and the fourth side wall are positioned on two sides of the fifth side wall in the width direction of the shaft through hole, and a second positioning block is convexly arranged on one side of the sixth side wall, away from the fifth side wall;

and the insulating shell, the framework, the first magnetic core and the second magnetic core are packaged and fixed through epoxy resin.

2. A safe, stable, and seismic resistant transformer, as claimed in claim 1, wherein:

the framework further comprises a first side plate and a second side plate, the first side plate and the second side plate are respectively positioned at two ends of the winding post in the length direction of the shaft through hole and protrude out of the peripheral wall of the winding post, and the shaft through hole penetrates through the first side plate and the second side plate;

the end face of the first side plate, far away from the second side plate, is provided with a first positioning groove, the end face of the second side plate, far away from the first side plate, is provided with a second positioning groove, the first magnetic plate is embedded into the first positioning groove, the second magnetic plate is embedded into the second positioning groove, and the first side plate is convexly provided with the primary pins.

3. A safe, stable, and seismic resistant transformer, as claimed in claim 2, wherein:

the first side plate is provided with a plurality of wire grooves, the plurality of wire grooves and the plurality of primary pins are arranged in a staggered and side-by-side mode in the width direction of the shaft through hole, and the output end of the primary winding penetrates through the wire grooves to be connected with the primary pins.

4. A safe, stable, and seismic resistant transformer, as claimed in claim 2, wherein:

the first side plate is arranged at one end, close to the first side wall, of the height direction of the shaft through hole, and a plurality of first radiating grooves are formed in the first side plate, are arranged side by side in the width direction of the shaft through hole, and each first radiating groove penetrates through the first side plate in the length direction of the shaft through hole.

5. A safe, stable, and seismic resistant transformer, as claimed in claim 2, wherein:

the second side plate is close to in the direction of height of axle through-hole the one end of first lateral wall has seted up a plurality of second radiating grooves, and is a plurality of the second radiating groove is in set up side by side in the width direction of axle through-hole, and each the second radiating groove is in run through in the length direction of axle through-hole the setting of second side plate.

6. A safe, stable, and seismic resistant transformer, as claimed in claim 2, wherein:

the second side plate is close to in the direction of height of axle through-hole the one end of second lateral wall has seted up a plurality of third radiating grooves, and is a plurality of the third radiating groove is in set up side by side in the width direction of axle through-hole, and each the third radiating groove is in run through in the length direction of axle through-hole the setting of second side plate.

7. A safe, stable, and seismic resistant transformer, as claimed in claim 1, wherein:

an inclined wall is connected between the first side wall and the third side wall, the inclined wall extends from the first side wall to the second side wall in an inclined mode to the third side wall, one side, far away from the first magnetic plate, of the inclined wall in the length direction of the shaft through hole is connected with the fourth side wall, and the output end of the secondary winding passes through the outer side face of the inclined wall and is connected with the secondary pin.

8. A safe, stable, and seismic resistant transformer, as claimed in claim 1, wherein:

a positioning plate is convexly arranged on the side face, close to the fourth side wall, of the fifth side wall, and the positioning plate is located on the upper end, far away from the secondary pin, of the fifth side wall in the height direction of the shaft through hole and is connected with the fourth side wall.

9. A safe, stable, and seismic resistant transformer, according to claim 8, wherein:

and a limiting groove is formed in one end, far away from the fifth side wall, of the positioning plate, and the limiting groove penetrates through the positioning plate in the height direction of the shaft through hole.

10. A safe, stable and seismic resistant transformer according to any one of claims 1 to 9, characterized in that:

the first magnetic column and the second magnetic column are mutually abutted in the length direction of the shaft through hole;

and/or, the first magnetic sheet is close to the terminal surface protrusion of second magnetic sheet is provided with two first baffles, two first baffle is about the width direction symmetry of through-shaft hole sets up, the second magnetic sheet is close to the terminal surface protrusion of first magnetic sheet is provided with two second baffles, two the second baffle is about the width direction symmetry of through-shaft hole sets up, one first baffle and one the second baffle is in mutual butt setting and being located in the length direction of through-shaft hole the outside of secondary winding.