Server power supply

The server power supply uses interlocking mechanisms to reduce the number of screws needed for assembly, enhancing ease of maintenance and lowering costs by simplifying the assembly process.

CN223080291UActive Publication Date: 2025-07-08WUHAN MEGMEET ELECTRICAL CO LTD
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Patent Information

Application Number
CN202422220217.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-10
Publication Date
2025-07-08
Estimated Expiration
2034-09-10

AI Technical Summary

Technical Problem

The existing server power supplies require numerous screws for assembly, making the process cumbersome and increasing costs due to the extensive use of threaded fasteners.

Method used

A server power supply design that utilizes interlocking mechanisms, such as a card slot and tongue, to secure the shell components, reducing the need for screws.

Benefits of technology

This design simplifies the assembly and disassembly of the power supply shell by minimizing the use of screws, thereby reducing costs and improving ease of maintenance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a server power supply, which comprises a shell, a power supply conversion assembly and a plug port, and is characterized in that the shell is provided with an accommodating space and comprises a first shell and a second shell; the first shell comprises two first side walls which are oppositely arranged, and notch parts are formed in the first side walls; the second shell comprises two second side walls which are oppositely arranged, clamping parts are formed on the surfaces, facing the containing space, of the second side walls, and clamping tongues are arranged at the ends, in the length direction of the shell, of the clamping parts; the clamping part is located in the notch part, the clamping part and the notch part abut against the two opposite side wall faces in the thickness direction of the shell, and the clamping tongue abuts against the first side wall so that the second shell can be connected to the first shell in a sleeved mode; the power conversion assembly is arranged in the accommodating space; the plugging port is arranged on the housing and is electrically connected with the power conversion assembly. In this way, the number of threaded fasteners used for fixing the shell on the server power supply can be reduced, and the shell can be conveniently disassembled and assembled.
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Description

Technical Field

[0001] The embodiments of the present utility model relate to the technical field of servers, and particularly to a server power supply. Background Art

[0002] Server power supplies are mainly used to supply power to IT devices such as servers, storage devices, and switches. The outer shell of a server power supply is mainly composed of a plurality of shells spliced around the circumferential side. A large number of threaded fasteners are usually used to lock between the shells, resulting in cumbersome disassembly and assembly of the outer shell. Moreover, the extensive use of threaded fasteners will increase the cost of the server power supply. Summary of the Utility Model

[0003] The purpose of the present utility model is to provide a server power supply, aiming to reduce the number of threaded fasteners used to fix the outer shell on the server power supply, so as to facilitate the disassembly and assembly of the outer shell.

[0004] According to one aspect of the present utility model, there is provided a server power supply, including an outer shell, a power conversion component, and a plug-in port. The outer shell includes a first shell and a second shell. The first shell and the second shell enclose to form an accommodation space. The first shell includes two first side walls oppositely arranged along the width direction of the outer shell. A notch portion is formed on the first side wall. The notch portion includes a first notch portion and a second notch portion that are connected and communicate with each other. The first notch portion has a first wall surface, and the second notch portion has a second wall surface located on the same side as the first wall surface along the length direction of the outer shell. Along the length direction of the outer shell, the second wall surface extends beyond the first wall surface. The second shell includes two second side walls oppositely arranged along the width direction of the outer shell. A clamping portion is formed on the surface of the second side wall facing the accommodation space. A clamping tongue is provided at one end of the clamping portion along the length direction of the outer shell. The clamping portion is located within the second notch portion. The two side walls of the clamping portion and the second notch portion that are opposite to each other in the thickness direction of the outer shell are in contact with each other, and the clamping tongue is in contact with the first side wall, so that the second shell is sleeved on the first shell. The power conversion component is arranged in the accommodation space. The plug-in port is arranged on the outer shell and is electrically connected to the power conversion component.

[0005] In one or more of the above optional embodiments, a slot hole communicating with the accommodation space is formed on the second side wall. Along the length direction of the shell, the clamping portion is located on one side of the slot hole. The clamping tongue is connected to one end of the clamping portion facing the slot hole.

[0006] In one or more of the above optional embodiments, the first side wall is parallel to the second side wall, and the protruding direction of the clamping tongue is parallel to the second side wall.

[0007] In one or more of the above optional embodiments, the first side wall includes a first base wall and a second base wall connected to one side of the first base wall. Along the width direction of the housing, the outer surface of the first base wall protrudes from the outer surface of the second base wall. The notch is provided on the second base wall, and the second side wall abuts against the second base wall. Along the width direction of the outer shell, the outer surface of the second side wall is flush with the outer surface of the first base wall.

[0008] In one or more of the above optional embodiments, the second housing includes two third side walls oppositely arranged along the width direction of the outer shell. Along the width direction of the outer shell, the two third side walls are located between the two first side walls, and screw holes are provided in the third side walls. A through hole is provided in the first base wall, and the part of the first base wall where the through hole is provided is located between the second side wall and the third side wall. The server power supply includes a threaded fastener, and the threaded fastener is screwed and fixed to be screwed and fixed with the screw hole through the through hole.

[0009] In one or more of the above optional embodiments, the plug-in port is provided at one end in the length direction of the outer shell, and the through hole, the screw hole, and the threaded fastener are all close to the other end in the length direction of the outer shell.

[0010] In one or more of the above optional embodiments, the number of notches is at least two, and the number of clamping portions and the number of tongues both correspond to the number of notches. One clamping portion is provided in one notch, and one clamping portion and one second notch abut against the two opposite wall surfaces in the thickness direction of the outer shell, so that the second housing is sleeved on the first housing.

[0011] In one or more of the above optional embodiments, along the length direction of the outer shell, at least two notches on one first side wall are arranged staggeredly with at least two notches on the other first side wall.

[0012] In one or more of the above optional embodiments, the outer shell is provided with an air outlet and an air inlet, and both the air outlet and the air inlet are communicated with the accommodation space. The server power supply includes a heat dissipation component, and the heat dissipation component is provided in the accommodation space.

[0013] In one or more of the above optional embodiments, the heat dissipation component includes a radiator, and the radiator and the plug-in port are both on one side in the length direction of the outer shell.

[0014] The beneficial effects of the embodiments of the present application are as follows: For the server power supply of the present utility model, by providing the clamping portion, the clamping portion abuts against the two opposite wall surfaces in the thickness direction of the outer shell with the notch, and the tongue abuts against the inner wall surface of the first side wall, so that the first housing and the second housing are mutually restricted in the thickness direction and the width direction. Therefore, the number of threaded fasteners used to fix the outer shell on the server power supply can be reduced, facilitating the disassembly and assembly of the outer shell. Description of the Drawings

[0015] To more clearly illustrate the technical solutions in the specific embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the specific embodiments or the prior art. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0016] Figure 1 A schematic structural diagram of a server power supply provided by one embodiment of the present invention;

[0017] Figure 2 For Figure 1 The exploded view of the structure of the server power supply shown;

[0018] Figure 3 For Figure 1 The partial enlarged view at A in ;

[0019] Figure 4 For Figure 1 The schematic structural diagram of the first housing and the second housing of the server power supply shown;

[0020] Figure 5 For Figure 5 The partial enlarged view at B in ;

[0021] Figure 6 For Figure 1 Another schematic structural diagram of the first housing and the second housing of the server power supply shown. Detailed implementation manners

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. The description of at least one exemplary embodiment is actually only illustrative and in no way restrictive of the present invention and its application or use. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts belong to the scope of protection of the present invention.

[0023] The technologies, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods and devices should be regarded as part of the authorization specification.

[0024] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom", etc. is usually based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description. Without contrary statements, these orientation words do not indicate and imply that the device or component referred to must have a specific orientation or be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation on the protection scope of the present utility model; the orientation words "inside, outside" refer to the inside and outside relative to the contour of each component itself.

[0025] In the description of the present utility model, it should be noted that the use of words such as "first", "second", etc. to limit the components is only for the convenience of distinguishing the corresponding components. Without additional statements, the above words have no special meaning. Therefore, it should not be construed as a limitation on the protection scope of the present utility model.

[0026] In different embodiments of the present utility model described below, the technical features involved can be combined with each other as long as they do not conflict with each other.

[0027] Figure 1 The structural schematic diagram of a server power supply provided for one embodiment of the present utility model Figure 2 is Figure 1 the exploded view of the server power supply shown.

[0028] First, please refer to Figure 1 and Figure 2 together. The server power supply includes a housing 10, a power conversion component 20, and a plug-in port 30. Among them, the housing 10 can be inserted and mated with the chassis power supply compartment of the server. It has an accommodation space inside, and the power conversion component 20 is accommodated in the accommodation space. The plug-in port 30 is installed at one end of the housing 10 along the insertion direction and is electrically connected to the power conversion component 20. The plug-in port 30 can be inserted and mated with the mains power supply to obtain power, and the 12V conversion is completed through the power conversion component 20.

[0029] In some embodiments, the direction in which the server power supply is inserted into the chassis power supply compartment of the server is parallel to the length direction L of the housing.

[0030] As Figures 1 to 6 shown in any of the drawings, in some embodiments, the housing 10 is generally in the shape of a cuboid, which includes a first housing 11 and a second housing 12. The first housing 11 and the second housing 12 are detachably connected; the power conversion component 20 is disposed in the accommodation space defined by the first housing 11 and the second housing 12.

[0031] In some embodiments, the housing 10 may be made of rigid materials well-known in the art. For example, the housing 10 may be a plastic housing 10 or a metal housing 10. For the convenience of description, in the following embodiments, the housing 10 is taken as an example of a metal housing 10 for illustration.

[0032] In some embodiments, one of the first housing 11 and the second housing 12 includes two first side walls 112 oppositely arranged along the width direction W of the housing, wherein a notch portion 112a is formed in any one of the first side walls 112.

[0033] The other of the first housing 11 and the second housing 12 includes two second side walls 122 oppositely arranged along the width direction W of the housing, wherein a slot hole 122a communicating with the accommodation space is formed in any one of the second side walls 122.

[0034] For the convenience of description, hereinafter, an example is given in which the first housing 11 includes two first side walls 112 and the second housing 12 includes two second side walls 122.

[0035] Please refer to Figures 4 to 6 in conjunction with Figure 2 , in some embodiments, the cross-section of the first housing 11 is generally U-shaped, which includes a bottom wall 111 and two first side walls 112. The two first side walls 112 are respectively connected to opposite ends of the bottom wall 111, and the two first side walls 112 are oppositely arranged along the width direction W of the housing. As an example, the first housing 11 may be a sheet metal part processed from a metal plate, wherein the bottom wall 111 is the unbent part of the metal plate, and the first side wall 112 is the bent part of the metal plate.

[0036] A notch portion 112a is formed on the side of any one of the first side walls 112 away from the bottom wall 111. The notch portion 112a includes a first notch portion 112aa and a second notch portion 112ab communicating with the first notch portion 112aa. The first notch portion 112aa has a first wall surface 1101, and the second notch portion 112ab has a second wall surface 1102 on the same side as the first wall surface 1101. Along the length direction L of the housing, the second wall surface 1102 extends beyond the first wall surface 1101.

[0037] In some embodiments, the opposite two first side walls 112 are respectively formed with Figure 4 the notch portion 112a shown in an "L" shape. Among them, the positions of the notch portions 112a on each of the first side walls 112 may be selected to correspond or not correspond according to actual use requirements.

[0038] In some other embodiments, the shape of the notch portion 11a is "T" shaped. In other embodiments, the shape of the notch portion 11a may also be other shapes different from the "L" shape and the "T" shape, which are not listed one by one here.

[0039] Please refer to Figure 4 and Figure 6 collectively. Figure 2 , in some embodiments, the cross-section of the second housing 12 is generally U-shaped, which includes a top wall 121 and two second side walls 122. The two second side walls 122 are respectively connected to opposite ends of the top wall 121, and the two second side walls 122 are oppositely arranged along the width direction W of the housing. As an example, the second housing 12 can also be a sheet metal part processed from a metal sheet. Among them, the top wall 121 is the unbent part of the metal sheet, and the second side wall 122 is the bent part of the metal sheet.

[0040] A clamping portion 1221 is formed on the surface of any second side wall 122 facing the accommodation space. A clamping tongue 1222 is provided at one end of the clamping portion 1221 along the length direction L of the housing. As an example, the second side wall 122 is provided with a slot hole 122a communicating with the accommodation space inside. The clamping portion 1221 is formed by being recessed from one side of the slot hole 122a along the length direction L of the housing towards the accommodation space inside, and the clamping tongue 1222 is connected to one end of the clamping portion 1221 facing the slot hole. As an example, the clamping tongue 1222 generally protrudes into the slot hole 122a in a straight shape as shown in Figure 3 , in other words, the protruding direction of the clamping tongue 1222 is parallel to the second side wall 122.

[0041] Of course, the formation method of the clamping portion 1221 is not limited to this. It can also be formed by protruding from the surface of the second side wall 122 facing the accommodation space, and the surface of the part of the second side wall 122 where the clamping portion 1221 is located and the surface of other parts are still flush.

[0042] Of course, in some other embodiments, the protruding direction of the clamping tongue 1222 may not be perpendicular to the side wall surface of the notch portion 112a. For example, the clamping tongue 1222 can be elastic, and its protruding direction is a direction gradually inclined towards the outside of the accommodation space.

[0043] Please refer to Figure 3 collectively. Figure 1 , the clamping portion 1221 is arranged in the notch portion 112a. The two side wall surfaces of the clamping portion 1221 and the notch portion 112a facing each other along the thickness direction T of the housing are in contact, and the clamping tongue 1222 and the first side wall 112 are in contact, so that the second housing 12 is sleeved on the first housing 11.

[0044] For easy understanding, next, the assembly process of the housing 10 of the server power supply of the present invention will be described:

[0045] First, the first housing 11 and the second housing 12 can be processed separately.

[0046] Secondly, keep the first housing 11 stationary, and sleeved the second housing 12 on the first housing 11 along the thickness direction T parallel to the housing, so that the engaging portion 1221 is embedded into the notch portion 112a;

[0047] Finally, push the second housing 12 along the length direction L parallel to the housing, so that the two side wall surfaces of the engaging portion 1221 and the second notch portion 112ab facing each other along the thickness direction T of the housing are in contact, and the locking tongue 1222 and the inner wall surface of the first side wall 112 are in contact, thereby realizing the constraint of the second housing 12 in the thickness direction and the width direction. In addition, the connection interface between the engaging portion 1221 and the side wall surface of the notch portion 112a can be exposed at the slot hole 122a. It should be noted that, along the length direction L parallel to the housing, the size of the notch portion 112a should be greater than the sum of the sizes of the engaging portion 1221 and the locking tongue 1222. In this way, when the second housing 12 is sleeved on the first housing 11, it is difficult for the part of the first side wall 112 where the notch portion 112a is located to interfere with the locking tongue 1222.

[0048] In summary, for the server power supply of the present utility model, by providing the engaging portion 1221, the two wall surfaces of the engaging portion 1221 and the notch portion 112a facing each other along the thickness direction T of the housing are in contact, and the locking tongue 1222 and the inner wall surface of the first side wall 112 are in contact, realizing the mutual constraint between the first housing 11 and the second housing 12 in the thickness direction and the width direction. Therefore, the number of threaded fasteners used to fix the housing 10 on the server power supply can be reduced, facilitating the disassembly and assembly of the housing 10.

[0049] As Figure 4 or Figure 6 shown, in order to reduce the exposure of the cut edge of the second side wall 122, in some embodiments, any first side wall 112 includes a first base wall 1121 and a second base wall 1122. The first base wall 1121 is connected to one end of the bottom wall 111, and the second base wall 1122 is connected to the side of the first base wall 1121 away from the bottom wall 111. Along the width direction W of the housing, the outer surface of the first base wall 1121 protrudes from the outer surface of the second base wall 1122. In other words, any first side wall 112 is in a concave stepped shape. Among them, the notch portion 112a is provided on the side of the second base wall 1122 away from the first base wall 1121.

[0050] The engaging portion 1221 is provided in the second notch portion 112ab. The two side wall surfaces of the engaging portion 1221 and the second notch portion 112ab facing each other along the thickness direction T of the housing are in contact, so that the second housing 12 is sleeved on the first housing 11, and along the width direction W of the housing, the second side wall 122 is flush with the first base wall 1121.

[0051] In this technical solution, the cut edge of the second side wall 122 can be blocked by the bent portion between the first base wall 1121 and the second base wall 1122. When the second housing 12 is made of a metal sheet, the rust generated by the oxidation of the cut edge of the second side wall 122 is not easily observable, thereby improving the aesthetics of the server power supply.

[0052] As Figure 4 shown, to improve the connection stability between the first housing 11 and the second housing 12, in some embodiments, the first base wall 1121 is provided with a through hole 1121a. The second housing 12 includes two third side walls 123 oppositely arranged along the width direction W of the housing. The two third side walls 123 are located between the two first side walls 112. The third side wall 123 is partially in contact with the second side wall 122, and the third side wall 123 is provided with a screw hole 123a corresponding to the position of the through hole 1121a. As an example, one end wall of the second housing 12 along the length direction L of the housing bends and extends towards the thickness direction T of the housing, and the bent and extended part of the end wall bends and extends towards the accommodation space again at both ends along the width direction W of the housing. Among them, the part of the end wall that bends and extends towards the accommodation space forms the aforementioned two third side walls 123.

[0053] The server power supply includes a threaded fastener, and the threaded fastener is screwed and fixed to the through hole 1121a and the screw hole 123a. In this way, the threaded fastener can further constrain the first housing 11 and the second housing 12 in the length direction, so that the second housing 12 can be stably assembled to the first housing 11. Of course, the position of the through hole 1121a is not limited to being provided on the first base wall 1121, and its position can be adaptively adjusted according to the use requirements. For example, in some other embodiments, the through hole 1121a is located on the second base wall 1122, or the through hole 1121a is located on other side walls of the first housing 11 except the first side wall 112.

[0054] Continuing as Figure 4 shown, in some embodiments, the threaded fastener is closer to the other end of the housing 10 relative to the plug-in port 30, that is, the plug-in port 30 is provided at one end of the housing in the length direction L, and the threaded fastener is provided at the other end of the housing in the length direction L. Correspondingly, the through hole 1121a is also provided at the other end of the first housing 11 along the length direction L of the housing, and the screw hole 123a is also provided at the other end of the second housing 12 along the length direction L of the housing. This can reduce the occurrence of the situation where the second housing 12 moves relative to the first housing 11 in the length direction L of the housing.

[0055] As Figure 4 or Figure 6As shown, in some embodiments, the number of notch portions 112a is at least two, and the numbers of the latching portions 1221 and the latching tongues 1222 both correspond to the number of notch portions 112a. One latching portion 1221 is disposed within one second notch portion 112ab, and two side wall surfaces of one latching portion 1221 and one second notch portion 112ab that face each other along the thickness direction T of the housing abut against each other, so that the second housing 12 is sleeved on the first housing 11. In this way, the number of threaded fasteners used to fix the housing 10 on the server power supply can be further reduced, making the disassembly and assembly of the housing 10 more convenient.

[0056] As Figure 4 shown, in some embodiments, each of the two first side walls 112 disposed opposite to each other along the width direction W of the housing is provided with at least two notch portions 112a. Along the length direction L of the housing, at least two notch portions 112a on one first side wall 112 and at least two notch portions 112a on the other first side wall 112 are staggeredly arranged. Thus, each region of the first housing 11 and the second housing 12 is uniformly constrained, and thus the connection stability between the first housing 11 and the second housing 12 is relatively good.

[0057] In some embodiments, the housing 10 is provided with an air outlet and an air inlet, and both the air inlet and the air outlet communicate with the interior of the accommodation space. The server power supply includes a heat dissipation component, and the heat dissipation component is disposed within the accommodation space. Among them, the heat dissipation component can adopt heat dissipation methods well known in the art, such as air-cooled heat dissipation, liquid-cooled heat dissipation, etc.

[0058] In this technical solution, by providing the air outlet, the air inlet, and the heat dissipation component, the heat dissipation component can dissipate heat from the power conversion component 20, and the heat is taken away through air flow, which can improve the heat dissipation within the accommodation space.

[0059] In some embodiments, both the air outlet and the air inlet communicate with the interior of the accommodation space to form an air flow channel, and both the heat dissipation component and the power conversion component 20 are disposed within the air flow channel. Among them, the air outlet and the air inlet can be respectively disposed on opposite side walls of the housing 10, or can be respectively disposed on adjacent side walls of the housing 10. As an example, the air outlet and the air inlet are disposed opposite to each other, which can improve the smoothness of the air flow and the heat dissipation efficiency.

[0060] As Figure 2 shown, in some embodiments, the heat dissipation component includes a radiator 41, and the radiator 41 and the plug-in port 30 are located on the same side of the housing 10, and the heat dissipation component can take away the heat of the power conversion board.

[0061] Among them, the radiator 41 can be a radiator 41 well-known in the art. For example, a fin radiator 41, a pipe radiator 41, etc. As an example, the radiator 41 is a cooling fan. Since the specifications and dimensions of the cooling fan are selectable, it is easier to adapt to the compact spatial layout of the server power supply.

[0062] It should be noted that the description and drawings of the present utility model give preferred embodiments of the present utility model. However, the present utility model can be implemented in many different forms and is not limited to the embodiments described in this specification. These embodiments are not additional limitations to the content of the present utility model. The purpose of providing these embodiments is to make the understanding of the disclosed content of the present utility model more thorough and comprehensive. Moreover, the above technical features continue to be combined with each other to form various embodiments not listed above, which are all regarded as within the scope described in the description of the present utility model; further, for those of ordinary skill in the art, improvements or changes can be made according to the above description, and all such improvements and changes should fall within the protection scope of the appended claims of the present utility model.

Claims

1. A server power supply, characterized in that, Comprising: A housing, including a first housing body and a second housing body, an accommodation space is formed by enclosing the first housing body and the second housing body; The first housing body includes two first side walls oppositely arranged along the width direction of the housing, a notch portion is formed on the first side wall, the notch portion includes a first notch portion and a second notch portion that are communicated with each other, the first notch portion has a first wall surface, the second notch portion has a second wall surface located on the same side as the first wall surface along the length direction of the housing, and along the length direction of the housing, the second wall surface extends beyond the first wall surface; The second housing body includes two second side walls oppositely arranged along the width direction of the housing, a clamping portion is formed on the surface of the second side wall facing the accommodation space, and a clamping tongue is provided at one end of the clamping portion along the length direction of the housing; The clamping portion is located in the second notch portion, the two opposite walls of the clamping portion and the second notch portion in the thickness direction of the housing are in contact with each other, and the clamping tongue and the first side wall are in contact with each other, so that the second housing body is sleeved on the first housing body; A power conversion assembly is arranged in the accommodation space; And A plug-in port is arranged on the housing and is electrically connected to the power conversion assembly.

2. The server power supply according to claim 1, wherein The second side wall is provided with a slot hole communicated with the accommodation space; along the length direction of the housing body, the clamping portion is located on one side of the slot hole; the clamping tongue is connected to one end of the clamping portion facing the slot hole.

3. The server power supply according to claim 1, wherein, The first side wall is parallel to the second side wall, and the protruding direction of the clamping tongue is parallel to the second side wall.

4. The server power supply according to claim 1, characterized in that The first side wall includes a first base wall and a second base wall connected to one side of the first base wall, and along the width direction of the housing body, the outer surface of the first base wall protrudes from the outer surface of the second base wall; The notch portion is arranged on the second base wall, and the second side wall is in contact with the second base wall; along the width direction of the housing, the outer surface of the second side wall is flush with the outer surface of the first base wall.

5. The server power supply according to claim 4, wherein, The second housing body includes two third side walls oppositely arranged along the width direction of the housing, and along the width direction of the housing, the two third side walls are located between the two first side walls, and the third side wall is provided with a screw hole; The first base wall is provided with a through hole, and the part of the first base wall provided with the through hole is located between the second side wall and the third side wall; The server power supply includes a threaded fastener, and the threaded fastener passes through the through hole and is screwed and fixed with the screw hole.

6. The server power supply according to claim 5, wherein, The plug-in port is arranged at one end of the housing in the length direction, and the through hole, the screw hole and the threaded fastener are all close to the other end of the housing in the length direction.

7. The server power supply according to any one of claims 1-6, characterized in that, The number of the notch portions is at least two, the number of the clamping portions and the number of the clamping tongues both correspond to the number of the notch portions, one clamping portion is arranged in one second notch portion, and the two opposite walls of one clamping portion and one second notch portion in the thickness direction of the housing are in contact with each other, so that the second housing body is sleeved on the first housing body.

8. The server power supply according to claim 7, wherein Along the length direction of the housing, at least two of the notch portions on one of the first side walls are arranged staggeredly with at least two of the notch portions on the other first side wall.

9. The server power supply according to any one of claims 1-6, characterized in that, The housing is provided with an air outlet and an air inlet, and both the air outlet and the air inlet are in communication with the accommodation space; The server power supply includes a heat dissipation component, and the heat dissipation component is arranged in the accommodation space.

10. The server power supply according to claim 9, characterized in that, The heat dissipation component includes a radiator, and the radiator and the plug-in port are both located on one side in the length direction of the housing.

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