Transformer

Abstract

The utility model provides a transformer which comprises a shell, an inductance device located in the shell and substrates located on the two sides of the shell and used for fixing pins on the inductance device, buckling nails extending into the shell are arranged on the sides, close to the shell, of the substrates, and first through holes are further formed in the positions, opposite to the buckling nails, of the shell. According to the transformer disclosed by the utility model, when the transformer is mounted, the buckling nails on the substrate are clamped in the first through holes, so that the substrate is fixed on the shell without dispensing, fixing and baking, the step of assembling the transformer is saved, the efficiency of assembling the transformer is accelerated, and the production capacity is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to transformer technical field, especially a kind of transformer. BACKGROUND

[0002] Electronic transformer has the alternating voltage of commercial power into direct current and then through semiconductor switching device and electronic component and high-frequency transformer winding constitute a kind of high-frequency ac voltage output electronic device, that is, the current of the inverse variable described in electronics theory, simply speaking, it is mainly composed of high-frequency transformer magnetic core and two or more than two coils, they do not change position, from one or more than two electric circuits, through electromagnetic induction effect by ac power, into ac voltage and current. The substrate of the transformer in the prior art is fixed on the shell by glue, and the substrate fixed on the shell needs to be cured and fixed by high temperature, thereby increasing the production process, increasing the time cost of assembly, and reducing the production efficiency.

[0003] Therefore, a transformer is needed to solve the above technical problems. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of transformer, solve the substrate of the transformer in prior art needs to be fixed on the shell by glue, also need to be cured and fixed by high temperature, increase the time cost of assembly, reduce the problem of production efficiency.

[0005] To solve the above technical problems, the technical scheme of the utility model is as follows: a kind of transformer, including shell, inductance device located in the shell, and the base plate for fixing the pin on the inductance device on the two sides of the shell, the side of the base plate close to the shell is provided with buckle nail that enters the shell, the first through hole is also provided in the position opposite to the buckle nail of the shell.

[0006] In the utility model, the fixing groove of back-shaped and spiral is also provided on the base plate, and the buckle nail is located at the center position of the fixing groove.

[0007] In the utility model, the top of the base plate is also provided with the clamping structure that is bent to the shell direction for clamping on the shell.

[0008] In the utility model, the first limiting groove and the second limiting groove for the pin to pass through and for limiting the pin are also provided on the clamping structure, and the first limiting groove is located on one side of the second limiting groove.

[0009] In the utility model, the side of the base plate away from the shell is also provided with support platform, and the plug-in piece connected with the pin is provided on the support platform.

[0010] The utility model discloses, the plug -in piece includes the plug -in board and is connected in the hollow structure's round column of one side of plug -in board, the pin is connected in the round column.

[0011] The utility model discloses, the inductance device includes the first winding and the second winding of connecting in one side of first winding.

[0012] The utility model discloses, the first winding includes the first magnetic core of symmetrical setting, the first skeleton in the first magnetic core of symmetry, and the first coil of winding on the first skeleton, the inboard of first magnetic core is provided with first fixed protruding, and the first fixed protruding on the first magnetic core of symmetry is folded and forms the connecting column for clamping in the first skeleton.

[0013] The utility model discloses, the second winding includes the second magnetic core of sticking to the first magnetic core, the second skeleton in the second magnetic core, and the second coil of winding on the second skeleton, and the second fixed protruding of sticking to the first magnetic core and connecting in the second skeleton is provided in the second magnetic core.

[0014] The utility model discloses, the shell is provided with first limit protruding, second limit protruding and the third limit protruding between first limit protruding and second limit protruding, and the first limit cavity for limiting the first coil is formed between first limit protruding and third limit protruding, and the second fixed cavity for limiting the second coil is formed between second limit protruding and third limit protruding.

[0015] Compared with the prior art, the transformer of the utility model has the beneficial effects that: when installing the transformer, the buckle nail on the substrate is clamped in the first through hole, so that the substrate is fixed on the shell without the need for glue fixing and baking, saving the steps of assembling the transformer, speeding up the efficiency of assembling the transformer, and improving the production capacity. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following briefly introduces the drawings needed to be used in the embodiments, and the drawings in the following description are only corresponding drawings of some embodiments of the utility model.

[0017] Figure 1 It is the perspective view of the transformer of the utility model.

[0018] Figure 2 It is the perspective view of the substrate of the transformer of the utility model Figure 1 .

[0019] Figure 3 It is the perspective view of the substrate of the transformer of the utility model Figure 2 .

[0020] Figure 4 It is a perspective view of the shell of the transformer of the utility model.

[0021] Figure 5 It is an explosion view of the inductance device of the transformer of the utility model.

[0022] 11, shell;12, base plate;13, inductance device;131, first winding;132, second winding;121, buckle pin;122, fixed groove;123, clamping structure;124, first limiting groove;125, second limiting groove;126, support platform;127, plug-in part;1271, plug-in plate;1272, circular column;111, first through hole;112, first limiting protrusion;113, second limiting protrusion;114, third limiting protrusion;115, first arc-shaped protrusion;116, second arc-shaped protrusion;1311, first magnetic core;1312, first skeleton;1313, first coil;1314, first fixed protrusion;1321, second magnetic core;1322, second skeleton;1323, second coil;1324, second fixed protrusion. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the present disclosure clearer, the technical scheme of the embodiments of the present disclosure will be described clearly and completely below in combination with the drawings of the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, rather than all the embodiments. Based on the described embodiments of the present disclosure, all other embodiments obtained by those of ordinary skill in the art without any creative effort fall within the protection scope of the present disclosure.

[0024] Unless otherwise defined, the technical terms or scientific terms used herein should be understood as their common meanings to those of ordinary skill in the art to which the present disclosure belongs.

[0025] The terms "first", "second", and similar terms used in the patent application specification and claims of the present disclosure do not denote any order, quantity, or importance, but are only used to distinguish different components. The terms "include" or "contain" and similar terms mean that the elements or objects appearing before "include" or "contain" cover the elements or objects listed after "include" or "contain" and their equivalents, and do not exclude other elements or objects. The terms "connect" or "connected" and similar terms are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. The terms "up", "down", "left", "right", and the like are only used to represent relative positional relationships, and when the absolute positions of the described objects change, the relative positional relationships may also change accordingly.

[0026] Clearly, the described embodiments are merely a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all the other embodiments obtained by the person skilled in the art without making creative labor belong to the scope of protection of the present utility model.

[0027] The following is a preferred embodiment of the transformer provided by the present utility model which can solve the above technical problems.

[0028] Please refer to Figure 1 and Figure 2 , wherein Figure 1 is a perspective view of the transformer of the present utility model, Figure 2 is a perspective view of the base plate of the transformer of the present utility model Figure 1 .

[0029] In the drawings, the units with similar structures are indicated by the same reference numerals.

[0030] The terms "first", "second", etc. in the present utility model are only for the purpose of description, and cannot be understood as indicating or implying relative importance, and are not limited as the order of precedence.

[0031] The transformer provided by the present utility model comprises a shell 11, an inductance device 13 located in the shell 11, and a base plate 12 located on both sides of the shell 11 for fixing the pins on the inductance device 13, the side of the base plate 12 close to the shell 11 is provided with a buckle pin 121 extending into the shell 11, and the position opposite to the buckle pin 121 of the shell 11 is also provided with a first through hole 111, the shell 11 is used for installing the inductance device 13 and the base plate 12, and the base plate 12 is used for fixing the pins on the inductance device 13. When assembling the transformer, first, the buckle pin 121 of the base plate 12 is extended into the first through hole 111 of the shell 11, which is used for fixing the base plate 12 on the shell 11. The buckle pin 121 is deformed when extending into the first through hole 111, which facilitates the buckle pin 121 to pass through the first through hole 111. When the buckle pin 121 passes through the first through hole 111, the buckle pin 121 restores the deformation due to the loss of the extrusion force of the first through hole 111, so as to clamp the base plate 12 on the shell 11. Finally, the inductance device 13 is installed in the shell 11, and the pins of the inductance device 13 are installed on the base plate 12. The above structure does not need to glue the base plate 12, the base plate 12 is fixed on the shell 11 through the buckle pin 121, and does not need to glue and bake the base plate 12, so as to save the steps of assembling the transformer, speed up the efficiency of assembling the transformer, and improve the production capacity.

[0032] A circular and spiral fixing groove 122 is also provided on the base plate 12, and the snap nail 121 is located at the center of the fixing groove 122. When the assembled transformer is injected with glue, the glue is filled into the fixing groove 122. The glue filled into the fixing groove 122 can increase the bonding strength between the base plate 12 and the shell 11, and further prevent the base plate 12 from separating from the shell 11.

[0033] The top of the substrate 12 is also provided with a snap-on structure 123 that is bent toward the shell 11 and is used to snap on the shell 11. The snap-on structure 123 is snapped on the shell 11 and is used to rotate when the substrate 12 is fixed on the shell 11, thereby ensuring the stability of the substrate 12 fixed on the shell 11.

[0034] The clamping structure 123 is also provided with a first limiting groove 124 and a second limiting groove 125 for the pin to pass through and for limiting the pin. The first limiting groove 124 is located on one side of the second limiting groove 125. The first limiting groove 124 and the second limiting groove 125 are used to facilitate the pin to pass through and be connected to the outside of the substrate 12. The pin is connected in the first limiting groove 124 and the second limiting groove 125 to reduce the volume of the transformer and prevent the height of the pin from being higher than the height of the shell 11.

[0035] Please refer to Figure 3 A support platform 126 is also provided on the side of the substrate 12 away from the shell 11. A connector 127 connected to the pin is provided on the support platform 126. The support platform 126 is used to fix the connector 127, and the connector 127 is used to fix the pin. There is no need to fix and limit the pin again, which can effectively save assembly efficiency.

[0036] The connector 127 includes a plug-in board 1271 and a hollow circular column 1272 connected to one side of the plug-in board 1271. The pins are connected in the circular column 1272. The plug-in board 1271 is used to facilitate connection with external equipment, and the circular column 1272 is used to facilitate fixing the pins. When fixing the pins, the pins can be extended into the circular column 1272, which facilitates the installation and fixation of the pins.

[0037] Please refer to Figure 5 The inductor device 13 includes a first winding 131 and a second winding 132 connected to one side of the first winding 131. Multiple windings can meet different voltages and powers, and have a wider range of applications.

[0038] The first winding 131 comprises symmetrically arranged first magnetic cores 1311, a first skeleton 1312 located in the symmetric first magnetic cores 1311, and a first coil 1313 wound on the first skeleton 1312, the inner side of the first magnetic core 1311 is provided with a first fixing protrusion 1314, the first fixing protrusions 1314 on the symmetric first magnetic cores 1311 are folded to form a connecting column for clamping in the first skeleton 1312, the first fixing protrusions 1314 in the symmetric first magnetic cores 1311 are used for clamping the first skeleton 1312, for fixing the skeleton in the symmetric first magnetic cores 1311, the first coil 1313 is wound on the first skeleton 1312, during the operation of the transformer, the first coil 1313 and the first magnetic core 1311 will generate heat in long-term operation, the first skeleton 1312 can effectively accelerate the dissipation of heat, and the corrosion protection performance of the magnetic core can be improved.

[0039] The second winding 132 comprises a second magnetic core 1321 abutting the first magnetic core 1311, a second skeleton 1322 located in the second magnetic core 1321, and a second coil 1323 wound on the second skeleton 1322, the second magnetic core 1321 is provided with a second fixing protrusion 1324 abutting the first magnetic core 1311 and connected in the second skeleton 1322, the second fixing protrusion 1324 of the second magnetic core 1321 is used for fixing the second skeleton 1322, and the second magnetic core 1321 abuts the first magnetic core 1311, for preventing the second skeleton 1322 from separating from the second magnetic core 1321, the second coil 1323 is wound on the second skeleton 1322, during the operation of the transformer, the second coil 1323 and the second magnetic core 1321 will generate heat in long-term operation, the second skeleton 1322 can effectively accelerate the dissipation of heat, and the corrosion protection performance of the magnetic core can be improved.

[0040] Please refer to Figure 4 , the shell 11 is provided with a first limiting protrusion 112, a second limiting protrusion 113, and a third limiting protrusion 114 located between the first limiting protrusion 112 and the second limiting protrusion 113, a first limiting cavity for limiting the first coil 1313 is formed between the first limiting protrusion 112 and the third limiting protrusion 114, a second fixing cavity for limiting the second coil 1323 is formed between the second limiting protrusion 113 and the third limiting protrusion 114, the first limiting cavity is used for limiting both sides of the first coil 1313, preventing the first coil 1313 from abutting the second coil 1323, and the second limiting cavity is used for limiting the second coil 1323, preventing the second coil 1323 from abutting the first coil 1313.

[0041] The utility model discloses, first limiting protruding 112 and second limiting protruding 113 two sides adjacent still all be provided with first arc protruding 115, third limiting protruding 114 and second limiting protruding 113 two sides adjacent still all be provided with second arc protruding 116, first arc protruding 115 is used for preventing first coil 1313 in shell 11 sway, second arc protruding 116 is used for placing second coil 1323 in shell 11 sway.

[0042] Working principle:

[0043] When installing the transformer, first, the base plate 12 is slid from the upper part of the shell 11 to the lower part of the shell 11 from both sides of the shell 11, when the clamping nail 121 of the base plate 12 is opposite to the position of the first through hole 111 of the shell 11, at this time, the clamping structure 123 of the base plate 12 is clamped on the shell 11, the base plate 12 is pressed, the clamping nail 121 is deformed when it is inserted into the first through hole 111, which facilitates the clamping nail 121 to pass through the first through hole 111, when the clamping nail 121 passes through the first through hole 111, it restores the deformation due to the loss of the extrusion force of the first through hole 111, so as to clamp the base plate 12 on the shell 11, at the same time, the clamping structure 123 can also prevent the base plate 12 from swaying on both sides of the shell 11, further, the inductor device 13 is installed in the shell 11, and the pins at both ends of the first coil 1313 and the pins at both ends of the second coil 1323 are respectively inserted into the first limiting groove 124 and the second limiting groove 125, and the pins are inserted into the circular column 1272 for positioning and fixing the pins, further, when the assembled transformer is filled with heat-conducting glue, the heat-conducting glue fills the entire transformer, when the heat-conducting glue flows between the base plate 12 and the shell 11 and solidifies, at the same time, the heat-conducting glue also solidifies in the fixing groove 122 of the base plate 12, for increasing the adhesion strength of the base plate 12 and the shell 11, through the above structure, the base plate 12 and the shell 11 do not need to be glued when installing the base plate 12, so as to save the steps of assembling the transformer, speed up the efficiency of assembling the transformer, and improve the production capacity.

[0044] In conclusion, although the utility model has disclosed the above-mentioned preferred embodiments, the above-mentioned preferred embodiments are not used to limit the utility model, and ordinary skilled persons in the art can make various changes and decorations without departing from the spirit and scope of the utility model, therefore, the protection scope of the utility model is subject to the scope defined by the claims.

Claims

1. A transformer, characterized by The inductance device comprises a shell, an inductance device in the shell, and a substrate for fixing the pins on the inductance device on both sides of the shell, the substrate is provided with a buckle pin extending into the shell near one side of the shell, and the shell is provided with a first through hole opposite to the buckle pin.

2. The transformer of claim 1, wherein, The substrate is further provided with a U-shaped and spiral fixing groove, and the buckle pin is located at the center of the fixing groove.

3. The transformer of claim 1, wherein, The top of the substrate is further provided with a clamping structure bending towards the shell for clamping on the shell.

4. The transformer of claim 3, wherein, The clamping structure is further provided with a first limiting groove and a second limiting groove for the pins to pass through and limit the pins, and the first limiting groove is located on one side of the second limiting groove.

5. The transformer of claim 1, wherein, The side of the substrate away from the shell is further provided with a support platform, and the support platform is provided with a plug-in connector connected with the pins.

6. The transformer of claim 5, wherein, The plug-in connector comprises a plug-in plate and a circular column connected to one side of the plug-in plate and having a hollow structure, and the pins are connected in the circular column.

7. The transformer of claim 1, wherein The inductance device comprises a first winding and a second winding connected to one side of the first winding.

8. The transformer of claim 7, wherein, The first winding comprises symmetrically arranged first magnetic cores, a first skeleton in the symmetric first magnetic cores, and a first coil wound on the first skeleton, the inner side of the first magnetic core is provided with a first fixing protrusion, and the first fixing protrusions on the symmetric first magnetic cores are folded to form a connecting column for clamping in the first skeleton.

9. The transformer of claim 8, wherein, The second winding comprises a second magnetic core abutting the first magnetic core, a second skeleton in the second magnetic core, and a second coil wound on the second skeleton, and the second magnetic core is provided with a second fixing protrusion abutting the first magnetic core and connected in the second skeleton.

10. The transformer of claim 9, wherein, The shell is provided with a first limiting protrusion, a second limiting protrusion, and a third limiting protrusion between the first limiting protrusion and the second limiting protrusion, the first limiting protrusion and the third limiting protrusion form a first limiting cavity for limiting the first coil, and the second limiting protrusion and the third limiting protrusion form a second limiting cavity for limiting the second coil.

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