Switching power supply of detachable shell transformer

Abstract

The utility model provides a switching power supply of a detachable shell transformer, which relates to the technical field of switching power supplies, and comprises a bottom shell, one side of the bottom shell is provided with a first mounting hole and a third mounting hole, the upper side of the bottom shell is connected with a front plate, one side of the front plate is connected with two embedded blocks, and the two embedded blocks are arranged in the first mounting hole and the second mounting hole respectively. A first U-shaped plate is connected to the lower sides of the two embedded blocks, one side of the first U-shaped plate is fixedly connected with the front plate, and a fourth mounting hole is formed in one side of the first U-shaped plate. According to the utility model, one sides of the two embedded blocks are respectively attached to the two lug plates, and the front plate is mounted on the inner wall of the bottom shell through the mounting hole I and the mounting hole IV. And then the inner wall of the L-shaped plate is aligned with the fixing strip, the upper plate slides to be attached to the front plate, and the upper plate is installed on the upper side of the fixing strip through the first circular groove and the second circular groove. And finally, the back plate is embedded between the upper plate and the inner wall of the bottom shell, the back plate and the bottom shell are connected through a fifth mounting hole and a third mounting hole, and the back plate and the upper plate are connected through a first mounting groove and a second mounting groove.

Description

Technical Field

[0001] The utility model relates to the technical field of switching power supplies, in particular to a switching power supply of a detachable shell transformer. Background Art

[0002] A switching power supply transformer is a power transformer with a switching tube added. In addition to the voltage conversion function of an ordinary transformer in the circuit, it also has insulation isolation and power transmission functions. It is generally used in switching power supplies and other occasions involving high-frequency circuits.

[0003] The shell of a general switching power supply is composed of multiple parts. After the mainboard and other parts are installed on the basic bottom shell, the remaining shells are installed on the bottom shell in turn, wrapping the mainboard and other parts, which can not only provide protection but also facilitate the installation of the whole. When assembling the shell, due to the lack of positioning structure between the various shell parts, relative displacement between the two connected shells is likely to occur during the assembly process, which may cause defects such as misalignment and unevenness in the shell assembly. Therefore, the following switching power supply with a detachable shell transformer is proposed, so that the shell can ensure the accuracy of assembly through the positioning structure during assembly. Utility Model Content

[0004] The utility model aims to solve the shortcomings of misalignment and unevenness during assembly in the technical field of switching power supplies.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a switching power supply of a detachable shell transformer, comprising a bottom shell, a mounting hole 1 is provided on one side of the bottom shell, a mounting hole 3 is provided on one side of the bottom shell, a front plate is connected to the upper side of the bottom shell, a block is connected to one side of the front plate, there are two blocks, and the lower sides of the two blocks are connected to a U-shaped plate 1, one side of the U-shaped plate is fixedly connected to the front plate, a mounting hole 4 is provided on one side of the U-shaped plate 1, an upper plate is connected to the upper side of the bottom shell, a circular groove 1 is provided on the upper side of the upper plate, a mounting groove 1 is provided on the upper side of the upper plate, a back plate is connected to the inner wall of the bottom shell, a mounting hole 5 is provided on the inner wall of the back plate, a mounting groove 2 is provided on the inner wall of the back plate, a fixing strip is connected to the inner wall of the bottom shell, there are two fixing strips, and circular groove 2 is provided on the upper sides of the two fixing strips, and an L-shaped plate is connected to the lower side of the upper plate.

[0006] As a preferred embodiment, an ear plate is connected to the upper side of the bottom shell, and there are two ear plates, and one side of the two inserts is respectively fitted with the two ear plates.

[0007] As a preferred implementation, the mounting hole four and the mounting hole one correspond in position and have the same inner diameter, and the mounting hole three and the mounting hole five correspond in position and have the same inner diameter.

[0008] As a preferred implementation, the inner diameters of the second installation groove and the first installation groove are the same at corresponding positions.

[0009] As a preferred implementation, the second circular groove and the first circular groove correspond in position and have the same inner diameter.

[0010] As a preferred embodiment, there are two L-shaped plates, and the inner walls of the two L-shaped plates are slidably connected to the outer walls of the two fixing strips respectively.

[0011] Compared with the prior art, the advantages and positive effects of the utility model are:

[0012] In the utility model, the front plate is first moved downward from the top of the bottom shell so that one side of the two inserts fits with the two ear plates respectively, and at the same time, one side of the front plate fits with one side of the two fixing strips, and the front plate is installed on the inner wall of the bottom shell through the first and fourth mounting holes. Then, the inner wall of the L-shaped plate and the fixing strip are aligned, the upper plate is slid to fit with the front plate, and the upper plate is installed on the upper side of the fixing strip through the first and second circular grooves. Finally, the back plate is embedded between the upper plate and the inner wall of the bottom shell, and the back plate is connected to the bottom shell through the fifth and third mounting holes, and the back plate is connected to the upper plate through the first and second mounting grooves. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The utility model provides a schematic structural diagram of a switching power supply of a detachable housing transformer.

[0014] Figure 2 The utility model provides a schematic structural diagram of a switching power supply of a detachable housing transformer.

[0015] Figure 3 The utility model provides a schematic structural diagram of a switching power supply of a detachable housing transformer.

[0016] Figure 4 The utility model provides a schematic structural diagram of a switching power supply of a detachable housing transformer.

[0017] Figure 5 The utility model provides a schematic structural diagram of a switching power supply of a detachable housing transformer.

[0018] Legend:

[0019] 1. Bottom shell; 11. Mounting hole 1; 12. Mounting hole 2; 13. Mounting hole 3; 14. Ear plate;

[0020] 2. Front plate; 21. Round hole 1; 22. Insert block; 23. U-shaped plate 1; 24. Mounting hole 4;

[0021] 3. Upper plate; 31. Round groove one; 32. Mounting groove one;

[0022] 4. Back panel; 41. Mounting hole five; 42. Mounting slot two;

[0023] 5. Fixing strip; 51. Round groove 2;

[0024] 6. L-shaped plate; 61. rectangular plate; 62. mounting hole six;

[0025] 7. Two U-shaped plates; 71. Two round holes. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Example 1

[0028] like Figure 1-Figure 4 As shown, the utility model provides a technical solution: a switching power supply of a detachable shell transformer, including a bottom shell 1, a mounting hole 11 is opened on one side of the bottom shell 1, a mounting hole 3 13 is opened on one side of the bottom shell 1, an ear plate 14 is connected to the upper side of the bottom shell 1, and there are two ear plates 14. The upper side of the bottom shell 1 is connected to a front plate 2, and one side of the front plate 2 is connected to an embedded block 22, and there are two embedded blocks 22. One side of the two embedded blocks 22 is respectively fitted with the two ear plates 14, and the lower sides of the two embedded blocks 22 are connected to a U-shaped plate 1 23, and one side of the U-shaped plate 1 23 is fixedly connected to the front plate 2, and one side of the U-shaped plate 1 23 is opened on one side of the U-shaped plate 1 23. The mounting hole 4 24 and the mounting hole 11 have corresponding positions and the same inner diameter. The upper side of the bottom shell 1 is connected to The upper plate 3 has a circular groove 31 on its upper side, and a mounting groove 32 on its upper side. The inner wall of the bottom shell 1 is connected to the back plate 4, and a mounting hole 5 41 is formed on the inner wall of the back plate 4. The mounting hole 3 13 and the mounting hole 5 41 have corresponding positions and the same inner diameters. The inner wall of the back plate 4 has a mounting groove 2 42. The mounting groove 2 42 and the mounting groove 1 32 have corresponding positions and the same inner diameters. The inner wall of the bottom shell 1 is connected to a fixing bar 5. There are two fixing bars 5. Both fixing bars 5 have circular grooves 2 51 on their upper sides. The circular grooves 2 51 and the circular groove 1 31 have corresponding positions and the same inner diameters. The lower side of the upper plate 3 is connected to an L-shaped plate 6. There are two L-shaped plates 6. The inner walls of the two L-shaped plates 6 are slidably connected to the outer walls of the two fixing bars 5, respectively.

[0029] In this embodiment, the front plate 2 is first moved downward from the top of the bottom shell 1, so that one side of the two inserts 22 fits with the two ear plates 14 respectively, and at the same time, one side of the front plate 2 fits with one side of the two fixing bars 5, and the front plate 2 is installed on the inner wall of the bottom shell 1 through the mounting hole 11 and the mounting hole 4 24. Then, the inner wall of the L-shaped plate 6 is aligned with the fixing bar 5, and the upper plate 3 is slid to fit with the front plate 2, and the upper plate 3 is installed on the upper side of the fixing bar 5 through the circular groove 1 31 and the circular groove 2 51. Finally, the back plate 4 is embedded between the upper plate 3 and the inner wall of the bottom shell 1, and the back plate 4 is connected to the bottom shell 1 through the mounting hole 5 41 and the mounting hole 3 13, and the back plate 4 is connected to the upper plate 3 through the mounting groove 1 32 and the mounting groove 2 42.

[0030] Example 2

[0031] like Figure 2 and Figure 4 As shown, a mounting hole 12 is provided on one side of the bottom shell 1, a rectangular plate 61 is connected to the lower side of the two L-shaped plates 6, there are two rectangular plates 61, one side of the two rectangular plates 61 is fitted with the inner wall of the bottom shell 1, a mounting hole 62 is provided on one side of the two rectangular plates 61, the mounting hole 62 and the mounting hole 12 have corresponding positions and the same inner diameters, a circular hole 21 is provided on one side of the front plate 2, a U-shaped plate 7 is connected to the lower side of the upper plate 3, a circular hole 71 is provided on one side of the U-shaped plate 7, the circular hole 71 and the circular hole 21 have corresponding positions and the same inner diameters.

[0032] In this embodiment, after the upper plate 3 is mounted on the upper side of the fixing bar 5 through the circular groove 1 31 and the circular groove 2 51, one side of the two rectangular plates 61 is in contact with the inner wall of the bottom shell 1, and the rectangular plates 61 are mounted on the inner wall of the bottom shell 1 through the mounting holes 62 and the mounting holes 2 12. At the same time, one side of the U-shaped plate 2 7 is in contact with the front plate 2, and the upper plate 3 and the front plate 2 are connected through the circular holes 1 21 and the circular holes 2 71.

[0033] Working principle:

[0034] like Figure 1-Figure 4As shown, first move the front plate 2 downward from the top of the bottom shell 1 so that one side of the two inserts 22 fits with the two ear plates 14 respectively, and at the same time, make one side of the front plate 2 fit with one side of the two fixing bars 5, and install the front plate 2 on the inner wall of the bottom shell 1 through the mounting hole 11 and the mounting hole 4 24. Then align the inner wall of the L-shaped plate 6 with the fixing bar 5, slide the upper plate 3 to fit with the front plate 2, and install the upper plate 3 on the upper side of the fixing bar 5 through the circular groove 1 31 and the circular groove 2 51. After the upper plate 3 is installed on the upper side of the fixing bar 5 through the circular groove 1 31 and the circular groove 2 51, one side of the two rectangular plates 61 fits with the inner wall of the bottom shell 1, and the rectangular plates 61 are installed on the inner wall of the bottom shell 1 through the mounting hole 6 62 and the mounting hole 2 12. At the same time, one side of the U-shaped plate 2 7 fits with the front plate 2, and the upper plate 3 and the front plate 2 are connected through the circular hole 1 21 and the circular hole 2 71. Finally, the back plate 4 is embedded between the upper plate 3 and the inner wall of the bottom shell 1, and the back plate 4 is connected to the bottom shell 1 through the mounting hole 5 41 and the mounting hole 3 13, and the back plate 4 is connected to the upper plate 3 through the mounting groove 1 32 and the mounting groove 2 42. When disassembling, the back plate 4 and the front plate 2 are first disassembled from the inner wall of the bottom shell 1, and the upper plate 3 is disassembled last, or the back plate 4, the upper plate 3, and the front plate 2 are disassembled in sequence.

[0035] The drawings of the present invention are only for showing specific structural positions to facilitate understanding, and do not involve limitations such as proportional dimensions and specifications.

[0036] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A switching power supply with a detachable housing transformer, comprising a bottom housing (1), characterized in that: A mounting hole (11) is provided on one side of the bottom shell (1), a mounting hole (13) is provided on one side of the bottom shell (1), the upper side of the bottom shell (1) is connected to a front plate (2), one side of the front plate (2) is connected to an insert (22), there are two inserts (22), the lower sides of the two inserts (22) are connected to a U-shaped plate (23), one side of the U-shaped plate (23) is fixedly connected to the front plate (2), one side of the U-shaped plate (23) is provided with a mounting hole (24), the upper side of the bottom shell (1) is connected to an upper plate ( 3), a circular groove (31) is provided on the upper side of the upper plate (3), a mounting groove (32) is provided on the upper side of the upper plate (3), the inner wall of the bottom shell (1) is connected to a back plate (4), a mounting hole (41) is provided on the inner wall of the back plate (4), a mounting groove (42) is provided on the inner wall of the back plate (4), a fixing strip (5) is connected to the inner wall of the bottom shell (1), there are two fixing strips (5), and the upper sides of the two fixing strips (5) are both provided with a circular groove (51), and the lower side of the upper plate (3) is connected to an L-shaped plate (6).

2. The switching power supply of a detachable housing transformer according to claim 1, characterized in that: The upper side of the bottom shell (1) is connected to an ear plate (14), and there are two ear plates (14). One side of the two inserts (22) is respectively fitted with the two ear plates (14).

3. The switching power supply of a detachable housing transformer according to claim 1, characterized in that: The mounting hole four (24) and the mounting hole one (11) correspond in position and have the same inner diameter, and the mounting hole three (13) and the mounting hole five (41) correspond in position and have the same inner diameter.

4. The switching power supply of a detachable housing transformer according to claim 1, characterized in that: The second installation groove (42) and the first installation groove (32) have the same inner diameter at corresponding positions.

5. The switching power supply of a detachable housing transformer according to claim 1, characterized in that: The second circular groove (51) and the first circular groove (31) correspond in position and have the same inner diameter.

6. The switching power supply of a detachable housing transformer according to claim 1, characterized in that: There are two L-shaped plates (6), and the inner walls of the two L-shaped plates (6) are slidably connected to the outer walls of the two fixing strips (5) respectively.

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