Universal conversion equipment structure and conversion equipment assembling method

Abstract

The invention discloses a universal conversion equipment structure and a conversion equipment assembling method. The universal conversion equipment structure comprises a first PCBA assembly, an American standard key sliding assembly, a British standard key sliding assembly and a European standard key sliding assembly, wherein the American standard key sliding assembly and the British standard key sliding assembly are arranged on the first PCBA assembly, and the European standard key sliding assembly is arranged on one side. According to the technical scheme of the invention, the zero-fire fixed plug bush assembly, the American-standard key sliding assembly, the British-standard key sliding assembly and the European-standard key sliding assembly are connected with the zero-fire fixed plug bush assembly, and the bottom shell and the first PCBA assembly inside the bottom shell are matched with each other. The British-standard key sliding assembly, the American-standard key sliding assembly and the European-standard key sliding assembly can be combined into a whole according to the structures of the assemblies, disassembly can be facilitated when disassembly is needed, use is not affected, and due to the fact that the structures are different, in the assembly process, the assembly efficiency is improved. The British standard key sliding assembly and the British standard key sliding assembly are assembled on the top of the first PCBA assembly, and the American standard key sliding assembly is arranged on the British standard key sliding assembly, so that space is saved.

Description

Technical Field

[0001] The present invention relates to the technical field of conversion equipment, and in particular to a universal conversion equipment structure and a conversion equipment assembly method. Background Art

[0002] Conversion device, also known as conversion plug, literally means to convert one kind of plug into another kind of plug (such as telephone power plug, USB charging plug, computer power plug, universal power plug of various countries, etc.), to convert different power plugs of different countries or power plug of one country into power plug of another country or multiple countries.

[0003] Since there are various conversion plugs, when producing conversion equipment, different conversion plugs need to be placed in a shell to ensure more convenient use. However, the installation method of multiple conversion plugs is usually to fix them together and then place them inside the shell, which makes it inconvenient to disassemble and assemble one of the conversion plugs. Summary of the invention

[0004] The purpose of the present invention is to overcome the deficiencies of the above-mentioned background technology and to provide a universal conversion device structure and a conversion device assembly method.

[0005] In a first aspect, the present invention provides a universal conversion device structure, including a first PCBA component, a US-standard key sliding component and a British-standard key sliding component arranged on the first PCBA component, and a European-standard key sliding component on one side, and a zero-fire fixed socket component on the US-standard key sliding component, the British-standard key sliding component, and the European-standard key sliding component;

[0006] A plurality of columns are arranged on one side of the first PCBA component, the US standard key sliding assembly and the British standard key sliding assembly are sleeved on the outer surface of the column, the European standard key sliding assembly is arranged on one side of the British standard key sliding assembly, and the zero-fire fixed socket assembly is installed on one end of the US standard key sliding assembly, the British standard key sliding assembly and the European standard key sliding assembly.

[0007] Furthermore, the US standard key sliding component, the UK standard key sliding component and the European standard key sliding component are combined into a whole and arranged in parallel, the UK standard key sliding component is arranged around the US standard key sliding component, and the European standard key sliding component is arranged on one side of the UK standard key sliding component, and the US standard key sliding component, the UK standard key sliding component and the European standard key sliding component groups are in the same direction.

[0008] Furthermore, the US standard key sliding assembly, the British standard key sliding assembly and the European standard key sliding assembly all include a plug, an electrical group and a push block, the push block and the plug are both arranged on the electrical group, the outer sleeve of the European standard key sliding assembly is provided with a sleeve, the sleeve is arranged on one side of the first PCBA assembly, and the European standard key sliding assembly slides inside the sleeve.

[0009] Furthermore, the conversion device also includes a bottom shell and an upper cover mounted on the opening of the bottom shell. The first PCBA component, the US standard button sliding component, the British standard button sliding component, the European standard button sliding component and the zero-fire fixed socket component are all arranged inside the bottom shell and located on one side inside the bottom shell.

[0010] Furthermore, the first PCBA component is arranged at the deepest part of the bottom shell, the zero-fire fixed socket component is arranged at the outermost part of the bottom shell, and the zero-fire fixed socket component and the first PCBA component are arranged correspondingly, the US standard key sliding component and the British standard key sliding component are vertically arranged between the first PCBA component and the zero-fire fixed socket component, and the first PCBA component, the zero-fire fixed socket component and the European standard key sliding component are in a horizontal U-shaped structure.

[0011] Furthermore, a second PCBA component is provided inside the bottom shell. The second PCBA component is vertically arranged inside the bottom shell and is located on one side of the European standard button sliding component.

[0012] Furthermore, a fuse assembly is disposed inside the bottom shell, and the fuse assembly is disposed along a depth direction of the bottom shell.

[0013] Furthermore, a sliding sheet is provided inside the bottom shell, and the sliding sheet is attached to one side of the inner wall of the bottom shell, and the push blocks of the US standard key sliding assembly, the UK standard key sliding assembly and the European standard key sliding assembly are snap-connected with the sliding sheet.

[0014] Furthermore, the conversion device also includes a face cover laid on the upper cover and arranged correspondingly, a first socket is opened on one side of the upper cover and the face cover, a second socket is opened on a side of the bottom shell corresponding to the plug, a slide groove is opened on one side of the bottom shell located on the sliding sheet, the push block slides inside the slide groove, and a third socket corresponding to the second PCBA assembly is also opened on the outside of the bottom shell.

[0015] In a second aspect, the present invention further provides a universal conversion device assembly method for assembling a universal conversion device structure, comprising the following steps:

[0016] S1: providing a bottom shell outside the first PCBA component, placing the first PCBA component inside the bottom shell, prefabricating a plurality of columns on the first PCBA component, opening a plurality of slide grooves on one side of the bottom shell, and arranging sliding sheets at positions of the slide grooves inside the bottom shell;

[0017] S2: First, place the US-standard key sliding assembly in the middle of the first PCBA assembly, then place the UK-standard key sliding assembly on the outside of the first PCBA assembly, and place the UK-standard key sliding assembly around the US-standard key sliding assembly, and at the same time, the electrical assembly of the US-standard key sliding assembly and the UK-standard key sliding assembly is sleeved on the column, and then place the EU-standard key sliding assembly inside the bottom shell and on one side of the first PCBA assembly. When assembling the US-standard key sliding assembly, the UK-standard key sliding assembly and the EU-standard key sliding assembly, the push blocks of the US-standard key sliding assembly, the UK-standard key sliding assembly and the EU-standard key sliding assembly are clamped on the sliding sheet and extend from the slide groove to the outside of the bottom shell;

[0018] S3: placing the zero-fire fixed socket assembly on the US standard key sliding assembly, the UK standard key sliding assembly and the European standard key sliding assembly, and then inserting the second PCBA assembly into the bottom shell, and making the second PCBA assembly be located on one side of the European standard key sliding assembly;

[0019] S4: inserting the fuse assembly into the bottom shell;

[0020] S5: Covering the upper cover at the opening of the bottom shell, and laying the surface cover on one side of the upper cover;

[0021] S6: When providing the bottom shell, top cover and face cover, prefabricate the second socket corresponding to the US standard key sliding assembly, the UK standard key sliding assembly and the European standard key sliding assembly on one side of the bottom shell, prefabricate the third socket at the position corresponding to the second PCBA assembly on the outside of the bottom shell, and prefabricate the first socket on one side of the top cover and the face cover.

[0022] Compared with the prior art, the advantages of the present invention are as follows: through the zero-fire fixed socket assembly and the American standard key sliding assembly, the British standard key sliding assembly and the European standard key sliding assembly connected to the zero-fire fixed socket assembly, in conjunction with the bottom shell and the first PCBA assembly inside the bottom shell, the British standard key sliding assembly, the American standard key sliding assembly and the European standard key sliding assembly can be combined into a whole according to their own structure, and when disassembly is required, it can be easy to disassemble without affecting the use, and because the structures are different, during the assembly process, the British standard key sliding assembly and the British standard key sliding assembly are assembled on the top of the first PCBA assembly, and the American standard key sliding assembly is arranged on the British standard key sliding assembly to save space, and the European standard key sliding assembly is arranged on one side of the first PCBA assembly to ensure that the three form a whole and can also ensure subsequent disassembly and installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the first integral three-dimensional explosion structure in the utility model.

[0024] Figure 2 It is a schematic diagram of the second integral three-dimensional explosion structure in the utility model.

[0025] Figure 3 It is a schematic diagram of the overall three-dimensional structure of the utility model.

[0026] Figure 4 It is a three-dimensional structural schematic diagram of the conversion device in the utility model.

[0027] Figure 5 It is a schematic diagram of the explosion three-dimensional structure of the conversion device in the utility model.

[0028] In the figure:

[0029] 1. Bottom shell;

[0030] 2. The first PCBA assembly;

[0031] 3. US standard button sliding assembly;

[0032] 4. British standard key sliding assembly;

[0033] 5. European standard button sliding assembly;

[0034] 6. Fuse assembly;

[0035] 7. Zero fire fixed socket assembly;

[0036] 8. Sliding piece;

[0037] 9. Second PCBA assembly;

[0038] 10. Upper cover;

[0039] 11. Face cover. DETAILED DESCRIPTION

[0040] Reference will now be made in detail to specific embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Although the present invention will be described in conjunction with specific embodiments, it will be understood that it is not intended to limit the present invention to the embodiments described. On the contrary, it is intended to cover changes, modifications and equivalents included in the spirit and scope of the present invention as defined by the appended claims. It should be noted that the method steps described herein can all be implemented by any functional block or functional arrangement, and any functional block or functional arrangement can be implemented as a physical entity or a logical entity, or a combination of the two.

[0041] In order to enable those skilled in the art to better understand the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0042] Note: The example to be introduced below is only a specific example, and is not intended to limit the embodiments of the present invention to the following specific steps, values, conditions, data, sequences, etc. Those skilled in the art can apply the concept of the present invention to construct more embodiments not mentioned in this specification by reading this specification.

[0043] Conversion equipment, also known as conversion plug, literally means to convert a certain plug into another plug (such as telephone power plug, USB charging plug, computer power plug, universal is the interchangeable function of power plugs of various countries, etc.), convert different power plugs of different countries or power plugs of a certain country into power plugs of another country or multiple countries. Due to the various conversion plugs, when producing conversion equipment, different conversion plugs need to be placed in a shell to ensure more convenient use, but the installation method of multiple conversion plugs is usually fixed together and then placed inside the shell, which makes it inconvenient to disassemble and assemble one of the conversion plugs.

[0044] In order to solve the problems existing in the above-mentioned conversion equipment, the present invention proposes a universal conversion equipment structure and a conversion equipment assembly method.

[0045] In this embodiment, a universal conversion device structure is shown in FIG. Figure 1-Figure 5, including a first PCBA component 2, an American standard key sliding component 3 and a British standard key sliding component 4 arranged on the first PCBA component 2 and a European standard key sliding component 5 on one side, and a zero-fire fixed socket component 7 on the American standard key sliding component 3, the British standard key sliding component 4 and the European standard key sliding component 5; a plurality of columns are arranged on one side of the first PCBA component 2, the American standard key sliding component 3 and the British standard key sliding component 4 are sleeved on the outer surface of the column, the European standard key sliding component 5 is arranged on one side of the British standard key sliding component 4, the zero-fire fixed socket component 7 is installed on one end of the American standard key sliding component 3, the British standard key sliding component 4 and the European standard key sliding component 5, the American standard key sliding component 3, the British standard key sliding component 4 and the European standard key sliding component 5 are combined into a whole and arranged in parallel, the British standard key sliding component 4 is arranged around the American standard key sliding component 3, the European standard key sliding component 5 is arranged on one side of the British standard key sliding component 4, and the American standard key sliding component 3, the British standard key sliding component 4 and the European standard key sliding component 5 are in the same direction.

[0046] like Figure 1-Figure 5 As shown, the first PCBA component 2 and the zero-fire fixed socket component 7 are arranged one above the other, the first PCBA component 2 is located at the bottom, the US standard key sliding component 3, the British standard key sliding component 4 and the European standard key sliding component 5 are arranged between the first PCBA component 2 and the zero-fire fixed socket component 7, but the European standard key sliding component 5 is arranged below the zero-fire fixed socket component 7 and located on one side of the first PCBA component 2;

[0047] Specifically, a plurality of columns are fixed on one side of the first PCBA component 2, the US-standard key sliding component 3 and the UK-standard key sliding component 4 are arranged above the first PCBA component 2 and sleeved on the outside of the column, and a sleeve is slid on the outside of the European-standard key sliding component 5, and the sleeve is located on one side of the first PCBA component 2, so that the first PCBA component 2, the zero-fire fixed socket component 7, the US-standard key sliding component 3, the UK-standard key sliding component 4 and the European-standard key sliding component 5 form a whole similar to a cube, which is convenient for the assembly and use of multiple plug-ins, and can be disassembled individually when disassembly is required;

[0048] Furthermore, the US standard key sliding assembly 3, the UK standard key sliding assembly 4 and the European standard key sliding assembly 5 are arranged in parallel, and the orientations of the US standard key sliding assembly 3, the UK standard key sliding assembly 4 and the European standard key sliding assembly 5 are the same.

[0049] See also Figure 1 The US-standard key sliding assembly 3, the UK-standard key sliding assembly 4 and the European-standard key sliding assembly 5 all include a plug, an electrical assembly and a push block. The push block and the plug are both arranged on the electrical assembly. The outer sleeve of the European-standard key sliding assembly 5 is provided with a sleeve, which is arranged on one side of the first PCBA assembly 2, and the European-standard key sliding assembly 5 slides inside the sleeve.

[0050] like Figure 1 As shown, the US standard key sliding assembly 3, the UK standard key sliding assembly 4 and the European standard key sliding assembly 5 are mainly composed of a plug, a power group and a push block, and the orientation and position of multiple plugs, power groups and push blocks are the same. The European standard key sliding assembly 5 has an additional structure: a sleeve. The European standard key sliding assembly 5 slides up and down inside the sleeve to ensure that it can grasp the push block to move the power group. While moving the power group, it can drive the plug to move, and the moving directions of multiple plugs, power groups and push blocks are consistent.

[0051] See also Figure 1-Figure 5 The conversion device also includes a bottom shell 1 and an upper cover 10 sleeved on the opening of the bottom shell 1. The first PCBA component 2, the US standard key sliding component 3, the British standard key sliding component 4, the European standard key sliding component 5 and the zero-fire fixed socket component 7 are all arranged inside the bottom shell 1, and are located on one side inside the bottom shell 1. The first PCBA component 2 is arranged at the deepest part of the bottom shell 1, the zero-fire fixed socket component 7 is arranged at the outermost part of the bottom shell 1, and the zero-fire fixed socket component 7 and the first PCBA component 2 are arranged correspondingly. The US standard key sliding component 3 and the British standard key sliding component 4 are vertically arranged between the first PCBA component 2 and the zero-fire fixed socket component 7. The first PCBA component 2, the zero-fire fixed socket component 7 and the European standard key sliding component 5 are in a horizontal U-shaped structure.

[0052] like Figure 1-Figure 5 As shown, the bottom shell 1 and the upper cover 10 are combined to form a box-shaped sealed whole, and the entire conversion device is arranged inside the bottom shell 1. The first PCBA component 2 is electrically connected to the US-standard key sliding component 3, the British-standard key sliding component 4, and the European-standard key sliding component 5 arranged on the top, and the US-standard key sliding component 3, the British-standard key sliding component 4, and the European-standard key sliding component 5 are electrically connected to the zero-fire fixed socket component 7 above to form a complete conversion circuit, ensuring that current flows into the US-standard key sliding component 3, the British-standard key sliding component 4, and the European-standard key sliding component 5, and then flows out from the zero-fire fixed socket component 7 to realize the conversion function.

[0053] See also Figure 1 and Figure 5 A second PCBA component 9 is also provided inside the bottom shell 1 . The second PCBA component 9 is vertically arranged inside the bottom shell 1 and is located on one side of the European standard key sliding component 5 .

[0054] like Figure 1 and Figure 5 As shown, the second PCBA component 9 is located in another area inside the bottom shell 1 and is located on one side of the European standard key sliding component 5. The second PCBA component 9 is electrically connected to the zero-fire fixed socket component 7 to provide different conversion interfaces.

[0055] See also Figure 1 A fuse assembly 6 is disposed inside the bottom shell 1 , and the fuse assembly 6 is disposed along the depth direction of the bottom shell 1 .

[0056] like Figure 1 As shown, the fuse assembly 6 disposed inside the bottom shell 1 is electrically connected to various electrical structures inside the bottom shell 1 to ensure that the electrical structures in the conversion device are protected from leakage and electric shock when powered on.

[0057] See also Figure 1 , Figure 2 and Figure 3 A sliding sheet 8 is also provided inside the bottom shell 1, and the sliding sheet 8 is attached to one side of the inner wall of the bottom shell 1. The push blocks of the US standard key sliding assembly 3, the British standard key sliding assembly 4 and the European standard key sliding assembly 5 are snap-connected with the sliding sheet 8.

[0058] like Figure 1 , Figure 2 and Figure 3 As shown, the number of sliding sheets 8 is at least two, and they are arranged one in front and one in the back. The European standard button sliding assembly 5 slides down, pushing the front and rear sliding sheets 8 forward. When the front sliding sheet 8 is pushed to the limit position of the American standard sliding assembly, the American standard sliding assembly will be locked. When the rear sliding sheet 8 is pushed to the limit position of the British standard sliding assembly, the British standard sliding assembly will be locked.

[0059] The British standard button sliding assembly 4 slides down, pushing the front and rear sliding pieces 8 in the front and rear directions. When the front sliding piece 8 is pushed to the limit of the US standard sliding assembly, the US standard sliding assembly will be locked in place. When the rear sliding piece 8 is pushed to the limit of the European standard sliding assembly, the European standard sliding assembly will be locked in place.

[0060] See also Figure 1 and Figure 2 The conversion device also includes a surface cover 11 laid on the upper cover 10, and is arranged correspondingly. A first socket is opened on one side of the upper cover 10 and the surface cover 11, and a second socket is opened on the side of the bottom shell 1 corresponding to the plug. A slide groove is opened on one side of the bottom shell 1 located on the sliding sheet 8, and the push block slides inside the slide groove. A third socket corresponding to the second PCBA component 9 is also opened on the outside of the bottom shell 1.

[0061] like Figure 1 and Figure 2As shown, the bottom shell 1 is provided with a second socket on the side facing the plug, so as to ensure that the plug enters and exits from the second socket, and ensures that the US-standard key sliding assembly 3, the British-standard key sliding assembly 4 and the European-standard key sliding assembly 5 are connected to the mains, and the upper cover 10 and the surface cover 11 are provided with a first socket on the side corresponding to the second socket, and the first socket corresponds to the zero-fire fixed socket assembly 7, so as to ensure that the connector is inserted into the zero-fire fixed socket assembly 7 to connect the current, and a third socket corresponding to the second PCBA assembly 9 is also provided on one side of the bottom shell 1 to ensure that different connectors are connected to electricity, and a plurality of slide grooves are provided on the outside of the bottom shell 1 at the position of the sliding sheet 8, and the slide grooves are provided corresponding to the sliding sheet 8, and the push blocks of the US-standard key sliding assembly 3, the British-standard key sliding assembly 4 and the European-standard key sliding assembly 5 extend from the slide groove to the outside of the bottom shell 1, and slide up and down in the slide groove;

[0062] Threaded holes are provided at four corners of one side of the upper cover 10 and the surface cover 11 , and screws arranged inside the threaded holes are inserted into the threaded holes and then inserted into the bottom shell 1 .

[0063] In this embodiment, a universal conversion device assembly method is used to assemble a universal conversion device structure, comprising the following steps:

[0064] S1: providing a bottom shell 1 outside the first PCBA component 2, placing the first PCBA component 2 inside the bottom shell 1, prefabricating a plurality of columns on the first PCBA component 2, opening a plurality of slide grooves on one side of the bottom shell 1, and setting a sliding sheet 8 at the position of the slide groove inside the bottom shell 1;

[0065] S2: First, place the US-standard key sliding assembly 3 in the middle of the first PCBA assembly 2, and then place the UK-standard key sliding assembly 4 on the outside of the first PCBA assembly 2, and place the UK-standard key sliding assembly 4 around the US-standard key sliding assembly 3, and at the same time, the electrical assembly of the US-standard key sliding assembly 3 and the UK-standard key sliding assembly 4 is set on the column, and then place the European-standard key sliding assembly 5 inside the bottom shell 1 and on one side of the first PCBA assembly 2. When assembling the US-standard key sliding assembly 3, the UK-standard key sliding assembly 4 and the European-standard key sliding assembly 5, the push blocks of the US-standard key sliding assembly 3, the UK-standard key sliding assembly 4 and the European-standard key sliding assembly 5 are clamped on the sliding sheet 8 and extend from the slide groove to the outside of the bottom shell 1;

[0066] S3: Place the zero-fire fixed socket assembly 7 on the US standard key sliding assembly 3, the UK standard key sliding assembly 4 and the European standard key sliding assembly 5, and then insert the second PCBA assembly 9 into the bottom shell 1, and make the second PCBA assembly 9 be located on one side of the European standard key sliding assembly 5;

[0067] S4: inserting the fuse assembly 6 into the bottom housing 1;

[0068] S5: Cover the opening of the bottom shell 1 with the upper cover 10 and lay the surface cover 11 on one side of the upper cover 10;

[0069] S6: When providing the bottom shell 1, the upper cover 10 and the face cover 11, a second socket corresponding to the US standard key sliding assembly 3, the UK standard key sliding assembly 4 and the European standard key sliding assembly 5 is prefabricated on one side of the bottom shell 1, a third socket is prefabricated at a position corresponding to the second PCBA assembly 9 on the outside of the bottom shell 1, and a first socket is prefabricated on one side of the upper cover 10 and the face cover 11.

[0070] In the description of the present invention, it should be noted that the terms "upper", "lower", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present invention. Unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0071] It should be noted that, in the present invention, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0072] The above description is only a specific embodiment of the present invention, so that those skilled in the art can understand or implement the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but should conform to the widest scope consistent with the principles and novel features invented herein.

Claims

1. A universal conversion device structure, characterized in that: It comprises a first PCBA component (2), a US standard key sliding component (3) and a British standard key sliding component (4) arranged on the first PCBA component (2), and a European standard key sliding component (5) on one side, and a zero-fire fixed socket component (7) on the US standard key sliding component (3), the British standard key sliding component (4) and the European standard key sliding component (5); A plurality of columns are provided on one side of the first PCBA component (2); the US standard key sliding component (3) and the British standard key sliding component (4) are sleeved on the outer surface of the columns; the European standard key sliding component (5) is provided on one side of the British standard key sliding component (4); and the zero-fire fixed socket component (7) is installed on one end of the US standard key sliding component (3), the British standard key sliding component (4) and the European standard key sliding component (5).

2. The universal conversion device structure according to claim 1, characterized in that: The US standard key sliding assembly (3), the UK standard key sliding assembly (4) and the European standard key sliding assembly (5) are combined into a whole and arranged in parallel, the UK standard key sliding assembly (4) is arranged around the US standard key sliding assembly (3), and the European standard key sliding assembly (5) is arranged on one side of the UK standard key sliding assembly (4), and the US standard key sliding assembly (3), the UK standard key sliding assembly (4) and the European standard key sliding assembly (5) are arranged in the same direction.

3. The universal conversion device structure according to claim 1, characterized in that: The US standard key sliding assembly (3), the British standard key sliding assembly (4) and the European standard key sliding assembly (5) all include a plug, an electrical assembly and a push block, wherein the push block and the plug are both arranged on the electrical assembly, and the European standard key sliding assembly (5) is externally sleeved with a sleeve, wherein the sleeve is arranged on one side of the first PCBA assembly (2), and the European standard key sliding assembly (5) slides inside the sleeve.

4. The universal conversion device structure according to claim 1, characterized in that: The conversion device further comprises a bottom shell (1) and an upper cover (10) sleeved on an opening of the bottom shell (1); the first PCBA component (2), the US standard key sliding component (3), the UK standard key sliding component (4), the European standard key sliding component (5) and the zero-fire fixed socket component (7) are all arranged inside the bottom shell (1) and located on one side inside the bottom shell (1).

5. The universal conversion device structure according to claim 4, characterized in that: The first PCBA component (2) is arranged at the deepest part of the bottom shell (1), the zero-fire fixed socket component (7) is arranged at the outermost part of the bottom shell (1), and the zero-fire fixed socket component (7) and the first PCBA component (2) are arranged correspondingly, the US standard key sliding component (3) and the British standard key sliding component (4) are vertically arranged between the first PCBA component (2) and the zero-fire fixed socket component (7), and the first PCBA component (2), the zero-fire fixed socket component (7) and the European standard key sliding component (5) are in a horizontal U-shaped structure.

6. The universal conversion device structure according to claim 4, characterized in that: A second PCBA component (9) is also provided inside the bottom shell (1), and the second PCBA component (9) is vertically arranged inside the bottom shell (1) and is located on one side of the European standard key sliding component (5).

7. The universal conversion device structure according to claim 4, characterized in that: A fuse assembly (6) is provided inside the bottom shell (1), and the fuse assembly (6) is arranged along the depth direction of the bottom shell (1).

8. The universal conversion device structure according to claim 4, characterized in that: A sliding sheet (8) is also provided inside the bottom shell (1), and the sliding sheet (8) is attached to one side of the inner wall of the bottom shell (1), and the push blocks of the US standard key sliding assembly (3), the British standard key sliding assembly (4) and the European standard key sliding assembly (5) are snap-fitted to the sliding sheet (8).

9. The universal conversion device structure according to any one of claims 1 to 8, characterized in that: The conversion device further comprises a surface cover (11) laid on the upper cover (10) and arranged correspondingly, a first socket is provided on one side of the upper cover (10) and the surface cover (11), a second socket is provided on a side of the bottom shell (1) corresponding to the plug, a slide groove is provided on a side of the bottom shell (1) located on the sliding sheet (8), the push block slides inside the slide groove, and a third socket corresponding to the second PCBA component (9) is also provided on the outside of the bottom shell (1).

10. A method for assembling a universal conversion device, characterized in that: The assembly of the universal conversion device structure according to any one of claims 1 to 9 comprises the following steps: S1: providing a bottom shell (1) outside the first PCBA component (2), placing the first PCBA component (2) inside the bottom shell (1), prefabricating a plurality of columns on the first PCBA component (2), opening a plurality of slide grooves on one side of the bottom shell (1), and arranging a sliding sheet (8) inside the bottom shell (1) at the position of the slide grooves; S2: First, the U.S. standard key sliding component (3) is placed in the middle of the first PCBA component (2), and then the British standard key sliding component (4) is placed on the outside of the first PCBA component (2), and the British standard key sliding component (4) is placed around the U.S. standard key sliding component (3), and at the same time, the electrical assembly of the U.S. standard key sliding component (3) and the British standard key sliding component (4) is set on the column, and then the European standard key sliding component (5) is placed inside the bottom shell (1) and located on one side of the first PCBA component (2). When assembling the U.S. standard key sliding component (3), the British standard key sliding component (4) and the European standard key sliding component (5), the push blocks of the U.S. standard key sliding component (3), the British standard key sliding component (4) and the European standard key sliding component (5) are clamped on the sliding sheet (8) and extend from the slide groove to the outside of the bottom shell (1); S3: placing the zero-fire fixed socket assembly (7) on the US standard key sliding assembly (3), the UK standard key sliding assembly (4) and the European standard key sliding assembly (5), and then inserting the second PCBA assembly (9) into the interior of the bottom shell (1), and positioning the second PCBA assembly (9) on one side of the European standard key sliding assembly (5); S4: inserting the fuse assembly (6) into the interior of the bottom housing (1); S5: Covering the upper cover (10) at the opening of the bottom shell (1), and laying the surface cover (11) on one side of the upper cover (10); S6: When providing the bottom shell (1), the top cover (10) and the face cover (11), the second socket corresponding to the US standard key sliding assembly (3), the UK standard key sliding assembly (4) and the European standard key sliding assembly (5) is prefabricated on one side of the bottom shell (1), a third socket is prefabricated at a position corresponding to the second PCBA assembly (9) on the outside of the bottom shell (1), and a first socket is prefabricated on one side of the top cover (10) and the face cover (11).

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