Case and electronic equipment

Abstract

The utility model provides a case and electronic equipment, and relates to the technical field of electronic equipment. The case comprises a connecting support, the connecting support comprises a bottom plate and a fixing plate, and the fixing plate is connected with the bottom plate and used for installing a function card; the fixing support is connected with the connecting support to form a containing space used for containing the function card, the fixing support is provided with a connecting part matched with a heat dissipation part of the function card, and the connecting part is used for being connected with the heat dissipation part in a clamping mode.

Description

Technical Field

[0001] The present application relates to the technical field of electronic equipment, and in particular to a chassis and electronic equipment. Background Art

[0002] With the rapid development of the Internet, big data, cloud computing, and high-performance computing, data centers are facing severe challenges in terms of rising temperatures, which is mainly attributed to the promotion of GPU-driven applications, which requires coordinated business and IT growth.

[0003] In order to balance the internal heat dissipation of the server, a combination of air cooling and water cooling is adopted. However, due to the different structures of air-cooled and water-cooled GPUs, completely different fixed structures are currently used for air-cooled and water-cooled GPUs. The fixed structure requires a bracket and an adapter component to realize the installation of the GPU. It has low compatibility and a complex structure, making it inconvenient to assemble. Utility Model Content

[0004] The purpose of the embodiments of the present application is to provide a chassis and an electronic device, which mainly provide the following technical solutions:

[0005] A first aspect of the present application provides a chassis, the chassis comprising: a connecting bracket, the connecting bracket comprising a bottom plate and a fixing plate, the fixing plate being connected to the bottom plate for installing a function card;

[0006] A fixing bracket is connected with the connecting bracket to form a receiving space for receiving the function card, and the fixing bracket has a connecting portion adapted to the heat dissipation portion of the function card, and the connecting portion is used to clamp the heat dissipation portion.

[0007] In some modified implementations of the first aspect of the present application, the connecting bracket includes: a side plate connected to the bottom plate and the fixing plate;

[0008] The fixing bracket includes: a main body and a connecting plate, wherein the connecting plate is connected to the main body, the main body is arranged at a first end of the base plate, the fixing plate is arranged at a second end of the base plate opposite to the first end, and the main body is connected to the side plate or the main body is connected to the side plate through the connecting plate.

[0009] In some modified implementations of the first aspect of the present application, the main body or the connecting plate and the connecting bracket are each provided with a plurality of corresponding locking holes, and locking members are passed through the locking holes to fix the main body or the connecting plate and the connecting bracket in fixed connection.

[0010] In some modified implementations of the first aspect of the present application, a power hole is formed on the main body at a side of the connecting portion.

[0011] In some modified implementations of the first aspect of the present application, the connecting portion includes: a connecting hole opened on the main body, the connecting hole is connected to the accommodating space, and is used to adapt to the first heat dissipation component of the heat dissipation portion.

[0012] In some modified implementations of the first aspect of the present application, a limiting bending portion is provided on an edge of the main body away from the bottom plate and on a side away from the accommodating space, and a position of the limiting bending portion at least corresponds to the connecting portion.

[0013] In some modified implementations of the first aspect of the present application, the connecting portion includes: a positioning groove formed on a side of the main body facing the accommodating space, used to adapt to the second heat dissipation component of the heat dissipation portion so that the second heat dissipation component can be plugged in;

[0014] Both sides of the main body are connected to the side plates through the connecting plates respectively, and a first ventilation portion is provided on the main body.

[0015] In some modified implementations of the first aspect of the present application, the fixing bracket further includes:

[0016] The plug-in board is detachably connected to an edge of the main body close to one of the connecting boards and is used for abutting against the second heat dissipation component.

[0017] In some modified implementations of the first aspect of the present application, a second ventilation portion is provided on the connecting plate.

[0018] A second aspect of the present application provides an electronic device, which includes: the above-mentioned chassis. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] By reading the detailed description below with reference to the accompanying drawings, the above and other purposes, features and advantages of the exemplary embodiments of the present application will become easy to understand. In the accompanying drawings, several embodiments of the present application are shown in an exemplary and non-limiting manner, and the same or corresponding reference numerals represent the same or corresponding parts, wherein:

[0020] Figure 1 The structure diagram of a chassis provided in an embodiment of the present application is schematically shown;

[0021] Figure 2 The structure diagram of a fixing bracket of a chassis provided in an embodiment of the present application is schematically shown;

[0022] Figure 3 The structure diagram of another chassis provided in an embodiment of the present application is schematically shown;

[0023] Figure 4A schematic diagram of the structure of another chassis provided by an embodiment of the present application, in which a function card having a second heat dissipation component of a first specification is installed;

[0024] Figure 5 A partial structural diagram of another chassis provided by an embodiment of the present application, in which a function card having a second heat dissipation component of a first specification is installed, is schematically shown;

[0025] Figure 6 A schematic diagram of the structure of another chassis provided by an embodiment of the present application, in which a function card having a second heat dissipation component of a second specification is installed;

[0026] Figure 7 A schematic structural diagram of another chassis provided by an embodiment of the present application, in which a function card having a second heat dissipation assembly of a second specification is installed, is shown from another angle;

[0027] Figure 8 A schematic diagram of the structure of another fixing bracket of a chassis provided in an embodiment of the present application is shown schematically;

[0028] Fig. 9 A schematic diagram of the structure of another fixing bracket of a chassis provided in an embodiment of the present application is shown schematically at another angle;

[0029] Fig.10 A schematic diagram of the structure of another plug-in board of a chassis provided in an embodiment of the present application is shown schematically;

[0030] Description of Figure Numbers:

[0031] 1. Connecting bracket; 11. Bottom plate; 12. Fixing plate; 13. Side plate;

[0032] 2. Fixed bracket; 21. Main body; 211. Connecting bending part; 212. Position-limiting bending part; 213. Connecting edge; 2131. First plug-in hole; 214. Position-limiting beam; 2101. Power hole; 2102. Positioning groove; 2103. Third ventilation part; 2104. First ventilation part; 2105. Connecting hole; 2106. Second plug-in hole; 22. Connecting plate; 2201. Second ventilation part; 23. Plug-in plate; 231. First plug-in protrusion; 232. Second plug-in protrusion; 24. Locking piece; 201. Locking hole;

[0033] 3. Function card; 31. First heat dissipation component; 32. Second heat dissipation component;

[0034] x, first direction; y, second direction. DETAILED DESCRIPTION

[0035] The exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided in order to enable a more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0036] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in this application should have the common meanings understood by technicians in the field to which this application belongs.

[0037] Embodiment 1

[0038] Reference Figure 1 and attached Figure 3 Embodiment 1 of the present application proposes a chassis, which includes: a connecting bracket 1, the connecting bracket 1 includes a base plate 11 and a fixing plate 12, the fixing plate 12 is connected to the base plate 11 for installing a function card 3; and a fixing bracket 2, the fixing bracket 2 is connected to the connecting bracket 1 to form a accommodating space for accommodating the function card 3, the fixing bracket 2 has a connecting portion adapted to the heat dissipation portion of the function card 3, and the connecting portion is used to clamp the heat dissipation portion.

[0039] Specifically, the chassis provided in this embodiment can be used for, but not limited to, electronic devices such as servers and computer hosts. A function card 3 needs to be set in the chassis, where the function card 3 can be, but not limited to, a display chip (Graphics Processing Unit, referred to as GPU). The heat dissipation part of the function card 3 with different heat dissipation methods has different structures. The heat dissipation methods here can include, but not limited to, water cooling and air cooling. In order to achieve the installation and fixation of function cards 3 with different heat dissipation types, the technical solution adopted by this application includes: a connecting bracket 1 and a fixing bracket 2, the connecting bracket 1 includes a bottom plate 11 and a fixing plate 12, the fixing plate 12 can be connected to the end of the bottom plate 11, and the two can cooperate to achieve the installation of the function card 3, and the installation here can include the electrical connection realized by plugging the electrical connector on the connecting bracket 1 with the function card 3; the fixing bracket 2 can be detachably installed on the connecting bracket 1, and the two can form a storage space for accommodating the function card 3 after being connected, and the fixing bracket 2 has a connecting part, which is adapted to the heat dissipation part of the function card 3 and can be connected to the heat dissipation part to achieve fixation. Therefore, this solution can achieve reliable installation and fixation of the function card 3 by using a connecting bracket 1 that is compatible with different types of boards and cards, in combination with a fixing bracket 2 having a connecting part, and by adapting the connecting part to the connecting part of the heat dissipation part of the corresponding type of boards and cards, without the need for additional adapter components, and has strong compatibility, a simple structure, and is relatively simple and convenient to assemble.

[0040] The fixing plate 12 of the connecting bracket 1 and the connecting portion of the fixing bracket 2 can be arranged to be opposite to each other in the first direction x, and are used to fix one end of the function card 3 and the heat dissipation portion of the other end of the function card 3 respectively.

[0041] For further information, see Attachment Figure 1 and attached Figure 3 In a specific implementation, the connecting bracket 1 also includes a side panel 13, which is connected to the bottom panel 11 and the fixing panel 12 respectively. Taking the fixing panel 12 being arranged at one end of the bottom panel 11 in the first direction x as an example, the side panel 13 can be arranged on one side of the fixing panel 12 in the second direction y, where the second direction y can meet the vertical condition with the first direction x, and the first direction x and the second direction y are respectively parallel to the bottom panel 11. In addition, a connector can be arranged on the side of the side panel 13 facing the accommodating space to realize electrical connection with the function card 3, and the connector can be connected to the mainboard in the chassis through wires or the like, so as to establish an electrical connection path between the function card 3 and the mainboard; wherein, the number of the side panels 13 can be two, and the connector can be arranged on only one side panel 13, and the other side panel 13 only serves to cooperate with the side panel 13 provided with the connector to realize the role of limiting and fixing the function card 3 in the second direction y.

[0042] For further information, see Attachment Figure 2 and attached Figure 8 The fixing bracket 2 includes: a main body 21 and a connecting plate 22, the connecting plate 22 is connected to the main body 21, the main body 21 is installed at the first end of the bottom plate 11 in the first direction x, and the fixing plate 12 is arranged at the second end of the bottom plate 11 arranged opposite to the first end in the first direction x. The main body 21 can be directly connected to the side plate 13 to achieve installation with the connecting bracket 1, which can simplify the structure, or the main body 21 can also be connected to the side plate 13 through the connecting plate 22 to achieve installation with the connecting bracket 1, so that when the size of the side plate 13 in the first direction x is insufficient, length compensation can be achieved through the connecting plate 22, and a reliable connection between the main body 21 and the connecting bracket 1 can be achieved; the number of connecting plates 22 can be one, which can be set on a side of the main board in the second direction y, or the number of connecting plates 22 can be two, which are respectively set on two opposite sides of the main board in the second direction y, which can improve the reliability of the connection.

[0043] For details, please refer to the attached Figure 1 and attached Figure 3, the connection and fixation between the fixed bracket 2 and the connecting bracket 1, in the technical solution adopted in the present application, a number of corresponding locking holes 201 can be respectively opened on the main body 21 or the connecting plate 22 and the connecting bracket 1, and the locking member passes through the locking hole 201 to fix the main body 21 and the connecting bracket 1, or the locking member passes through the locking hole 201 to fix the connecting plate 22 and the connecting bracket 1. This connection method is easy to operate and the connection is stable, wherein the locking member can be but is not limited to an I-nail, a screw, etc.

[0044] Among them, refer to the attached Figure 1 -Attached Figure 3 and attached Figure 8 Since the function card 3 needs to be connected to a power source, a power hole 2101 can be opened on the side of the connecting portion of the main body 21. The size of the power hole 2101 can be provided for the power connector to pass through. The shape of the power hole 2101 can be, but is not limited to, a rectangle.

[0045] For further information, see Attachment Figure 1 and attached Figure 2 Taking the water-cooling heat dissipation method supported by the function card 3 as an example, in a specific implementation, the heat dissipation part of the function card 3 includes a first heat dissipation component 31, and the first heat dissipation component 31 may include but is not limited to two water-cooling joints. In this case, the connection part of the fixed bracket 2 includes: a connection hole 2105 opened on the main body 21, and the connection hole 2105 is connected to the accommodating space, which is used to adapt to the first heat dissipation component 31 of the heat dissipation part. In this way, when the function and fixed bracket 2 are installed in sequence, the first heat dissipation component 31 can pass through the connection hole 2105 of the main body 21, and the function card 3 can be limited and fixed in the first direction x through the cooperation of the main body 21 and the fixing plate 12 of the connecting bracket 1.

[0046] For details, please refer to the attached Figure 1 and attached Figure 2 When the function card 3 supports water cooling, the main body 21 can be directly connected to the connecting bracket 1, which can be achieved by setting a connecting bent portion 211 on the side and / or bottom of the main body 21. Taking the connecting bracket 1 as an example, the two side panels 13 arranged opposite to each other in the second direction y, the two sides and the bottom of the main body 21 can be respectively provided with connecting bent portions 211 perpendicular to the main body 21. When the connecting bent portions 211 are set on the side and the bottom at the same time, the connecting bent portions 211 on the side and the bottom can be connected as a whole and formed integrally with the main body 21; when installing and fixing the bracket 2, the connecting bent portion 211 on the side is in contact with the side panel 13, and the connecting bent portion 211 on the bottom is in contact with the bottom panel 11, and locking holes 201 are respectively provided on the connecting bent portion 211 and the side panels 13 and the bottom panel 11 to connect the locking members to achieve locking and fixing, wherein the locking members can be but are not limited to I-shaped nails, screws, etc.

[0047] For further information, see Attachment Figure 1 and attached Figure 2 In order to improve the reliability of the joint connection between the first heat dissipation component 31 and the water-cooling pipe, in a specific implementation, a limited bending portion 212 can be provided at the edge of the main body 21 away from the bottom plate 11 and on the side away from the accommodating space. The position of the limited bending portion 212 at least corresponds to the connecting portion, and the correspondence here refers to the correspondence in the direction perpendicular to the bottom plate 11, so that it can play a shielding role, which can limit the accidental contact with the connection position between the first heat dissipation component 31 and the water-cooling pipe, thereby avoiding mislocking at the connecting joint, and improving the reliability of the connection; wherein, when the connecting bending portion 211 is provided on the side and bottom of the main body 21, the limited bending portion 212 can be connected to the connecting bending portion 211 on the side as a whole, and correspond to the connecting bending portion 211 on the bottom, and be integrally formed with the main body 21.

[0048] For further information, see Attachment Figure 1 and attached Figure 2 In order to improve the heat dissipation effect, a third ventilation portion 2103 can be set on the main body 21, and the third ventilation portion 2103 includes a plurality of third ventilation holes, and the plurality of third ventilation holes can be arranged in an array; taking the case that at least two function cards 3 can be accommodated in the accommodating space along the direction perpendicular to the bottom plate 11 as an example, at least two connection holes 2105 are provided on the main body 21 along the direction perpendicular to the bottom plate 11 at intervals, and a power hole 2101 is provided on the side of each connection hole 2105, and a third ventilation portion 2103 can be provided between each group of connection holes 2105 and the power hole 2101 to improve the heat dissipation effect of the function card 3; the number and size of the third ventilation holes included in the third ventilation portion 2103 are not specifically limited here and can be set according to actual conditions.

[0049] Further, taking the air cooling method supported by function card 3 as an example, refer to the attached Figure 3 -Attached Figure 5 And attached Figure 8 , Attachment Fig. 9In a specific implementation, the heat dissipation portion of the function card 3 includes a second heat dissipation component 32, and the second heat dissipation component 32 is in the shape of a flat bracket. The main body 21 is provided with a first ventilation portion 2104. In this case, the connection portion of the fixed bracket 2 includes: a positioning groove 2102 formed on the side of the main body 21 facing the accommodating space, which is used to adapt to the second heat dissipation component 32 of the heat dissipation portion so that the second heat dissipation component 32 can be plugged in. By plugging the second heat dissipation component 32 into the positioning groove 2102, the second heat dissipation component 32 can be limited in a direction perpendicular to the bottom plate 11, and by cooperating with the main body 21 and the fixing plate 12 of the connecting bracket 1, the function card 3 and the second heat dissipation component 32 can be connected. The second heat dissipation component 32 is positioned in the first direction x; the power hole 2101 of the main body 21 is located on the side of the positioning groove 2102; the two sides of the main body 21 are respectively connected to the two side panels 13 of the connecting bracket 1 through the connecting plate 22, and the connection method can be by correspondingly opening a number of locking holes 201 on the connecting plate 22 and the side panel 13; wherein, the main body 21 and the connecting plate 22 can be an integrally formed one-piece structure, or can also be a split structure. In this case, a number of locking holes 201 can be correspondingly opened on the main body 21 and the connecting plate 22 to connect the locking parts to achieve locking and fixing; wherein the above-mentioned locking parts can be but are not limited to I-shaped nails, screws, etc.

[0050] For details, please refer to the attached Figure 8 and attached Fig. 9 The main body 21 can be set as a rectangular plate structure and a connecting edge 213 is respectively provided on one side facing the accommodating space. The connecting edges 213 on both sides can be connected to the connecting plate 22, and can realize the limitation of the second heat dissipation component 32 in the second direction y; the positioning groove 2102 can be realized by providing a groove extending along the second direction y on the surface of the main body 21 facing the accommodating space, or it can also be realized by providing two limiting beams 214 extending along the second direction y on the surface of the main body 21 facing the accommodating space, and the distance between the two limiting beams 214 is adapted to the thickness of the second heat dissipation component 32.

[0051] Specifically, in the case where the accommodation space can be used to accommodate at least two stacked function cards 3, taking the number of the function cards 3 that can be accommodated as four as an example, refer to the attached Figure 5 and attached Fig. 9The first ventilation portion 2104 may include four mutually spaced first ventilation holes opened on the main body 21 in a direction perpendicular to the bottom plate 11, and the two edges of each first ventilation hole in a direction perpendicular to the bottom plate 11 are respectively bent toward one side of the accommodating space to form a limiting beam 214, and a positioning groove 2102 is formed between the limiting beam 214 at the bottom and the connecting edge 213 at the bottom, and a positioning groove 2102 is formed between the limiting beams 214 of the remaining adjacent first ventilation holes, which can be used to achieve matching and plugging with the second heat dissipation component 32, and the setting of the first ventilation holes is more conducive to air-cooling and heat dissipation of the function card 3; in this case, the power holes 2101 corresponding to the four function cards 3 can be connected as one.

[0052] For details, please refer to the attached Figure 3 In order to improve the air-cooling and heat dissipation effect, in the technical solution adopted in the present application, a second ventilation portion 2201 is opened on the connecting plate 22, and the second ventilation portion 2201 is used for ventilation and heat dissipation, and may specifically include a plurality of third ventilation holes, and the plurality of third ventilation holes may be evenly distributed in an array on the connecting plate 22.

[0053] Further, the second heat dissipation component 32 may include at least two specifications, see the attached Figure 4 and attached Figure 5 The size of the second heat dissipation component 32 of the first specification in the second direction y is adapted to the first distance between the connecting edges 213 on both sides of the main body 21, refer to the attached Figure 6 and attached Figure 7 The size of the second heat dissipation component 32 of the second specification in the second direction y is smaller than the first distance. In order to be compatible with the positioning of the second heat dissipation component 32 of the second specification, in a specific implementation, the fixing bracket 2 also includes: a plug-in board 23, the plug-in board 23 extends in a direction perpendicular to the base plate 11, and has a certain thickness in the second direction y, which is used to compensate for the difference between the size of the second heat dissipation component 32 of the second specification in the second direction y and the first distance. The plug-in board 23 can be detachably connected to a connecting edge 213 located on the main body 21 near one of the connecting plates 22, and is used to abut against the second heat dissipation component 32 of the second specification, so as to realize reliable limiting of the second heat dissipation component 32 of the second specification in the second direction y.

[0054] For details, please refer to the attached Figure 7 , Attachment Figure 8 And attached Fig.10The connection method of the plug board 23 can be: at least one first plug-in protrusion 231 can be set on the side of the plug board 23, and a first plug-in hole 2131 adapted to the first plug-in protrusion 231 can be set on the connecting edge 213; after installation, the second heat dissipation component 32 of the second specification abuts against the other side of the plug board 23; to further improve the positioning accuracy of the plug board 23, at least one second plug-in protrusion 232 can be set on the surface of the plug board 23 facing the main board, and a second plug-in hole 2106 adapted to the second plug-in protrusion 232 can be set on the main body 21; the first plug-in protrusion 231 and the second plug-in protrusion 232 can be staggered in a direction perpendicular to the bottom plate 11; to facilitate installation, an inclined guide surface can be set on the surface of the first plug-in protrusion 231 to improve the convenience of installation and positioning.

[0055] Embodiment 2

[0056] A second embodiment of the present application provides an electronic device, which includes: the above-mentioned chassis.

[0057] Specifically, the electronic device provided in this embodiment can be but is not limited to a server. By applying the above-mentioned chassis, the connection bracket 1 and the fixed bracket 2 inside the chassis can be used to achieve reliable and convenient installation of boards with different heat dissipation types. No additional adapter components are required, the compatibility is strong, and the structure is simple.

[0058] Specifically, when the electronic device is configured with a water-cooling heat dissipation system, a function card 3 whose heat dissipation part is a first heat dissipation component 31 is selected, and the connection part of the fixed bracket 2 configured in the chassis includes a connection hole 2105 opened on the main body, which is used to adapt to the first heat dissipation component 31 of the heat dissipation part, so that the function card 3 can be efficiently cooled by the first heat dissipation component 31 in cooperation with the water-cooling heat dissipation system; and when the electronic device is configured with an air-cooling heat dissipation system, a function card 3 whose heat dissipation part is a second heat dissipation component 32 is selected, and the connection part of the fixed bracket 2 configured in the chassis is formed with a positioning groove 2102 on the side of the main body facing the accommodating space, which is used to adapt to the second heat dissipation component 32 of the heat dissipation part, so that the function card 3 can be efficiently cooled by the second heat dissipation component 32 in cooperation with the air-cooling heat dissipation system.

[0059] It should be noted that in the description of this specification, the terms "upper", "lower", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing this application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application; the terms "connect", "install", "fixed", etc. should be understood in a broad sense, for example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0060] In the description of this specification, the description of the terms "one embodiment", "some embodiments", "specific embodiments", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0061] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art who is familiar with the present technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A chassis, characterized in that: include: A connecting bracket, the connecting bracket comprising a bottom plate and a fixing plate, the fixing plate being connected to the bottom plate for installing a function card; A fixing bracket is connected with the connecting bracket to form a receiving space for receiving the function card, and the fixing bracket has a connecting portion adapted to the heat dissipation portion of the function card, and the connecting portion is used to clamp the heat dissipation portion.

2. The chassis according to claim 1, characterized in that: The connecting bracket includes: a side plate connected to the bottom plate and the fixing plate; The fixing bracket includes: a main body and a connecting plate, wherein the connecting plate is connected to the main body, the main body is arranged at a first end of the base plate, the fixing plate is arranged at a second end of the base plate opposite to the first end, and the main body is connected to the side plate or the main body is connected to the side plate through the connecting plate.

3. The chassis according to claim 2, characterized in that: The main body or the connecting plate and the connecting bracket are each provided with a plurality of corresponding locking holes, and locking members pass through the locking holes to fix the main body or the connecting plate and the connecting bracket in connection.

4. The chassis according to claim 2, characterized in that: A power source hole is formed on the main body at the side of the connecting portion.

5. The chassis according to claim 2, characterized in that: The connecting portion includes: a connecting hole opened on the main body, the connecting hole is communicated with the accommodating space, and is used to adapt to the first heat dissipation component of the heat dissipation portion.

6. The chassis according to claim 5, characterized in that: A limiting bending portion is provided on the edge of the main body away from the bottom plate and on a side away from the accommodating space, and the position of the limiting bending portion at least corresponds to the connecting portion.

7. The chassis according to claim 2, characterized in that: The connecting portion includes: a positioning groove formed on a side of the main body facing the accommodating space, used to adapt to the second heat dissipation component of the heat dissipation portion so as to allow the second heat dissipation component to be plugged in; Both sides of the main body are connected to the side plates through the connecting plates respectively, and a first ventilation portion is provided on the main body.

8. The chassis according to claim 7, characterized in that: The fixing bracket also includes: The plug-in board is detachably connected to an edge of the main body close to one of the connecting boards and is used for abutting against the second heat dissipation component.

9. The chassis according to claim 7, characterized in that: The connecting plate is provided with a second ventilation portion.

10. An electronic device, characterized in that: include: A chassis as claimed in any one of claims 1 to 9.

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