Server mainboard and server case module

Abstract

The utility model provides a server mainboard and a server case module, the server mainboard comprises a mainboard tray and a mainboard body, and at least two first guide columns are arranged on the mainboard tray in a protruding manner; the mainboard body is provided with at least two first guide holes; the number of the first guide holes is consistent with that of the first guide columns, and the first guide holes and the first guide columns are matched in a one-to-one correspondence mode so that the mainboard body can be positioned and installed on the mainboard tray. The mainboard tray solves the problems that in the prior art, the connection mode between the mainboard and the mainboard tray is tedious and complex, and the positioning accuracy is poor.

Description

Technical Field

[0001] The utility model relates to the technical field of computers, and in particular to a server mainboard and a server chassis module. Background Art

[0002] In the prior art, a motherboard tray is provided on the chassis base of the server chassis module, and a motherboard is provided on the motherboard tray, thereby fixing the motherboard on the chassis base. However, the connection between the existing motherboard and the motherboard tray is achieved through the cooperation of screws and riveting studs, that is, the existing connection method between the motherboard and the motherboard tray cannot ensure the installation and positioning accuracy of the motherboard. Utility Model Content

[0003] The main purpose of the utility model is to provide a server motherboard and a server chassis module to solve the problem that the connection method between the motherboard and the motherboard tray in the prior art is relatively complicated and cumbersome, and the positioning accuracy is relatively poor.

[0004] In order to achieve the above-mentioned purpose, according to one aspect of the utility model, a server motherboard is provided, including a motherboard tray and a motherboard body, wherein at least two first guide columns are protruding from the motherboard tray; the motherboard body has at least two first guide holes; wherein the number of the first guide holes is consistent with the number of the first guide columns, and they correspond one-to-one to position the motherboard body and install it on the motherboard tray.

[0005] In an exemplary embodiment, at least two second guide pillars are protruding from the mainboard tray, and a first angle A is formed between a line connecting the at least two second guide pillars and a line connecting the at least two first guide pillars, and the first angle A satisfies: 0°<A<180°; the mainboard body has at least two second guide holes, and the number of the second guide holes is consistent with the number of the second guide pillars, and they correspond one to one.

[0006] In an exemplary embodiment, a height of the second guide post is not greater than a height of the first guide post.

[0007] In an exemplary embodiment, the first guide post is detachably connected to the mainboard tray; and / or the second guide post is detachably connected to the mainboard tray.

[0008] In an exemplary embodiment, at least two first riveted studs are protruding from the mainboard tray, the mainboard body has at least two first avoidance holes, the number of the first avoidance holes is consistent with the number of the first riveted studs, and they correspond one to one, and the server mainboard also includes a first fastener, which passes through the first avoidance hole and is threadedly connected to the first riveted stud.

[0009] In an exemplary embodiment, at least two groups of step stud groups are protruding from the mainboard tray, each group of step stud groups includes at least two step studs, and the at least two groups of step stud groups are respectively located at the two side edges of the mainboard tray; the mainboard body has at least two groups of second avoidance hole groups, and the number of second avoidance hole groups is consistent with the number of step stud groups; wherein, one group of second avoidance hole groups includes at least two second avoidance holes, and the number of second avoidance holes in one group of second avoidance hole groups is consistent with the number of step studs in one group of step stud groups, and they correspond one to one.

[0010] In an exemplary embodiment, a second angle B is formed between a line connecting at least two step studs in a step stud group and a line connecting at least two first guide posts, and the second angle B satisfies: 0°<B<180°.

[0011] In an exemplary embodiment, a plurality of first supporting convex bumps are protruding from the mainboard tray, and the plurality of first supporting convex bumps are arranged at intervals and have the same height to provide supporting force for the mainboard body.

[0012] In an exemplary embodiment, a plurality of first supporting bulges are protruding from the mainboard tray, and the plurality of first supporting bulges are spaced apart and have the same height to provide supporting force for the mainboard body; an assembly hole is provided on the first supporting bulge, and a third avoidance hole is provided at a position of the mainboard body opposite to the assembly hole. The server mainboard also includes a second fastener, which passes through the third avoidance hole and is threadedly connected to the assembly hole.

[0013] In an exemplary embodiment, a square avoidance hole is opened on the mainboard tray, and a second supporting bulge is also protruded on the mainboard tray, and the second supporting bulge is located on the outer peripheral side of the square avoidance hole; wherein, there are multiple second supporting bulges, and the multiple second supporting bulges are arranged at circumferential intervals around the square avoidance hole; or, the second supporting bulge is an annular bulge that extends continuously around the circumference of the square avoidance hole.

[0014] In an exemplary embodiment, there are multiple second supporting bulges, each second supporting bulge is L-shaped, and the L-shaped second supporting bulge is located at the corners of the square avoidance hole; wherein, the width K of the L-shaped second supporting bulge in the direction away from the square avoidance hole satisfies: 5mm≤K≤8mm; and / or, the single-side extension length W of the L-shaped second supporting bulge satisfies: 10mm≤W≤25mm.

[0015] According to another aspect of the utility model, a server chassis module is provided, including a chassis base and a server mainboard, and the server mainboard is the above-mentioned server mainboard; wherein, a plurality of groups of first guide slides are arranged on the mainboard tray of the server mainboard, and a plurality of groups of second guide slides are arranged on the chassis base, and the plurality of groups of second guide slides are arranged one-to-one correspondingly to the plurality of groups of first guide slides.

[0016] In an exemplary embodiment, multiple groups of first guide slides include a first group of first guide slides, the first group of first guide slides include a plurality of gourd holes, and the plurality of gourd holes are spaced apart along the length and width directions of the main board tray; multiple groups of second guide slides include a first group of second guide slides, the first group of second guide slides include a plurality of I-shaped nails, the plurality of I-shaped nails are arranged one-to-one correspondingly to the plurality of gourd holes, and each gourd hole is slidably matched with the corresponding I-shaped nails.

[0017] In an exemplary embodiment, multiple groups of first guide slides include a second group of first guide slides, the second group of first guide slides include a plurality of guide holes, and the plurality of guide holes are arranged at intervals along the length and width directions of the mainboard tray; multiple groups of second guide slides include a second group of second guide slides, the second group of second guide slides include a plurality of guide bulges, the plurality of guide bulges are arranged one-to-one with the plurality of guide holes, and each guide hole is slidably matched with each corresponding guide bulge; wherein the guide holes include a first guide section and a second guide section that are connected, the first guide section and the second guide section both extend along the sliding direction of the mainboard tray, and the width of the first guide section is greater than the width of the second guide section, and the guide bulge slides from the first guide section to the second guide section to limit the mainboard tray on the chassis base.

[0018] In an exemplary embodiment, multiple groups of first guide slides include a third group of first guide slides, the third group of first guide slides include a plurality of waist-shaped holes, and the plurality of waist-shaped holes are arranged at intervals along the length and width directions of the mainboard tray; multiple groups of second guide slides include a third group of second guide slides, the third group of second guide slides include a plurality of second rivet studs, the plurality of second rivet studs are arranged one-to-one with the plurality of waist-shaped holes, and each second rivet stud is slidably matched with the corresponding waist-shaped holes; a plurality of fourth avoidance holes are also provided on the mainboard body of the server mainboard, the plurality of fourth avoidance holes correspond one-to-one with the plurality of waist-shaped holes, and the server chassis module also includes a plurality of third fasteners, the plurality of third fasteners are arranged one-to-one with the plurality of fourth avoidance holes, and the third fasteners pass through the fourth avoidance holes and are threadedly matched with the second rivet studs.

[0019] The technical solution of the utility model is applied to provide a server motherboard, including a motherboard tray and a motherboard body, wherein at least two first guide pillars are protruding from the motherboard tray; the motherboard body has at least two first guide holes; wherein the number of the first guide holes is consistent with the number of the first guide pillars, and the motherboard body is positioned and installed on the motherboard tray in a one-to-one correspondence. In this way, when the motherboard body is installed on the motherboard tray, it can be positioned first by the one-to-one correspondence between the first guide pillars and the first guide holes, thereby ensuring the reliability of the positioning between the two. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The drawings constituting part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0021] Figure 1 A partial structural schematic diagram of a server chassis module according to an optional embodiment of the utility model is shown;

[0022] Figure 2 Shows Figure 1 Schematic diagram of the enlarged structure at A in FIG.

[0023] Figure 3 Shows Figure 1 Schematic diagram of the enlarged structure at B in FIG.

[0024] Figure 4 Shows Figure 1 A schematic diagram of the structure of the chassis base of the server chassis module;

[0025] Figure 5 Shows Figure 4 Schematic diagram of the enlarged structure at C in FIG.

[0026] Figure 6 Shows Figure 4 Schematic diagram of the enlarged structure at D in FIG.

[0027] Figure 7 Shows Figure 1 A schematic diagram of the structure of a motherboard tray of a server motherboard of a server chassis module;

[0028] Figure 8 Shows Figure 7 Schematic diagram of the enlarged structure at E in FIG.

[0029] The above drawings include the following reference numerals:

[0030] 2. Server motherboard; 10. Motherboard tray; 11. First guide column; 12. Second guide column; 13. First riveting stud; 14. Step stud group; 141. Step stud; 15. First supporting convex hull; 151. Assembly hole; 16. Square avoidance hole; 17. Second supporting convex hull; 18. Gourd hole; 19. Guide hole; 191. First guide section; 192. Second guide section; 110. Waist-shaped hole;

[0031] 1. chassis base; 101. I-shaped nail; 102. guide convex bump; 103. second riveting stud. DETAILED DESCRIPTION

[0032] 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. The following description of at least one exemplary embodiment is actually only illustrative and is by no means a limitation on the utility model and its application or use. 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.

[0033] In order to solve the problem that the connection method between the mainboard and the mainboard tray in the prior art is relatively complicated and cumbersome, and the positioning accuracy is relatively poor, the utility model provides a server mainboard and a server chassis module.

[0034] like Figures 1 to 8 As shown, the server motherboard includes a motherboard tray 10 and a motherboard body, wherein at least two first guide columns 11 are protruding from the motherboard tray 10; the motherboard body has at least two first guide holes; wherein the number of the first guide holes is consistent with the number of the first guide columns 11, and they correspond one to one to position the motherboard body and install it on the motherboard tray 10.

[0035] The technical solution of the utility model is applied to provide a server motherboard, including a motherboard tray 10 and a motherboard body, wherein at least two first guide columns 11 are protruding from the motherboard tray 10; the motherboard body has at least two first guide holes; wherein the number of the first guide holes is consistent with the number of the first guide columns 11, and the motherboard body is positioned and installed on the motherboard tray 10 in a one-to-one correspondence. In this way, when the motherboard body is installed on the motherboard tray 10, it can be positioned first by the one-to-one correspondence between the first guide columns 11 and the first guide holes, thereby ensuring the reliability of the positioning between the two.

[0036] like Figure 7As shown, at least two second guide posts 12 are also protrudingly provided on the mainboard tray 10, and the line connecting the at least two second guide posts 12 and the line connecting the at least two first guide posts 11 have a first angle A, and the first angle A satisfies: 0°<A<180°; the mainboard body has at least two second guide holes, and the number of the second guide holes is consistent with the number of the second guide posts 12, and they are matched one-to-one. In this way, by setting the line connecting the at least two second guide posts 12 and the line connecting the at least two first guide posts 11 to have a structural form with the first angle A, it is ensured that the mainboard body is matched one-to-one with the first guide posts 11 through the first guide holes, and combined with the one-to-one matching between the second guide holes and the second guide posts 12, the mainboard body and the mainboard tray 10 are limited in different directions, so that the mainboard body is accurately positioned and installed on the mainboard tray 10.

[0037] like Figure 7 As shown, the height of the second guide column 12 is not greater than the height of the first guide column 11. Thus, since the height of the first guide column 11 is relatively high, when the motherboard body is installed on the motherboard tray 10, the first guide hole and the first guide column 11 are used to perform rough positioning first, and then the second guide hole and the second guide column 12 are used to perform further precise positioning, thereby ensuring the positioning accuracy of the motherboard body.

[0038] It should be noted that, in the present application, the first guide column 11 is detachably connected to the motherboard tray 10; and / or the second guide column 12 is detachably connected to the motherboard tray 10. In this way, the convenience of installing and removing the first guide column 11 and the convenience of installing and removing the second guide column 12 are ensured.

[0039] like Figure 7 As shown, at least two first riveting studs 13 are protruding from the mainboard tray 10, and the mainboard body has at least two first avoidance holes, the number of the first avoidance holes is consistent with the number of the first riveting studs 13, and they are matched one by one, and the server mainboard also includes a first fastener, which passes through the first avoidance hole and is threadedly connected to the first riveting studs 13. In this way, through the cooperation of the first fastener and the first riveting studs 13, the mainboard body and the mainboard tray 10 are fastened and connected, thereby ensuring the reliability of the positioning and installation of the mainboard body.

[0040] like Figure 7As shown, at least two groups of step stud groups 14 are also protrudingly provided on the mainboard tray 10, one group of step stud groups 14 includes at least two step studs 141, and at least two groups of step stud groups are respectively located at the two side edges of the mainboard tray 10; at least two groups of second avoidance hole groups are provided on the mainboard body, and the number of the second avoidance hole groups is consistent with the number of step stud groups; wherein, one group of second avoidance hole groups includes at least two second avoidance holes, and the number of the second avoidance holes in one group of second avoidance hole groups is consistent with the number of step studs 141 in one group of step stud groups, and they are matched one by one. In this way, the setting of the step stud group 14 further realizes the precise positioning of the mainboard body, so that the mainboard body can be precisely positioned and installed on the mainboard tray 10.

[0041] like Figure 7 As shown, there is a second angle B between the line connecting at least two step studs 141 in a step stud group and the line connecting at least two first guide pillars 11, and the second angle B satisfies: 0°<B<180°. In this way, it is at least ensured that at least two first guide pillars 11 can limit the first direction of the main board body, at least two second guide pillars 12 can limit the second direction of the main board body, and at least two step studs 141 can limit the third direction of the main board body, and the first direction, the second direction, and the third direction are arranged at an angle to each other. In this embodiment, refer to Figure 7 , Figure 7 The connection line of the two first guide pillars 11 is the first direction, the connection line of the two second guide pillars 12 is the second direction, and the connection line of the two step studs 141 is the third direction.

[0042] It should be noted that in the present application, a plurality of first supporting bumps 15 are also protruded from the mainboard tray 10, and the plurality of first supporting bumps 15 are arranged at intervals and have the same height to provide supporting force for the mainboard body. In this way, the plurality of first supporting bumps 15 play an effective supporting role for the mainboard body.

[0043] like Figure 7 As shown, the mainboard tray 10 is also provided with a plurality of first supporting convex bumps 15, which are arranged at intervals and have the same height to provide a supporting force for the mainboard body; the first supporting convex bumps 15 are provided with an assembly hole 151, and a third avoidance hole is provided at a position of the mainboard body opposite to the assembly hole 151. The server mainboard also includes a second fastener, which passes through the third avoidance hole and is threadedly connected to the assembly hole 151. In this way, by providing the assembly holes 151 on the plurality of first supporting convex bumps 15, and by having the second fastener pass through the third avoidance hole and be threadedly connected to the assembly hole 151, the mainboard body is fastened.

[0044] It should be noted that in an embodiment of the present application which is not shown in the figure, only the assembly hole 151 is opened on the first supporting protrusion 15, and the second fastener passes through the third avoidance hole and is threadedly connected to the assembly hole 151, so as to achieve a fastened connection to the main board body, and there is no need to set the first riveting stud 13 on the main board tray 10.

[0045] It should be noted that in an embodiment of the present application which is not shown in the figure, only the first riveted stud 13 is set on the mainboard tray 10, and the first fastener and the first riveted stud 13 cooperate to achieve a fastened connection between the mainboard body and the mainboard tray 10, thereby ensuring the reliability of the positioning and installation of the mainboard body.

[0046] Optionally, the first supporting convex hull 15 is a circular convex hull.

[0047] like Figure 7 and Figure 8 As shown, a square avoidance hole 16 is provided on the mainboard tray 10, and a second supporting convex bump 17 is also provided on the mainboard tray 10, and the second supporting convex bump 17 is located on the outer peripheral side of the square avoidance hole 16; wherein, there are multiple second supporting convex bumps 17, and the multiple second supporting convex bumps 17 are arranged at intervals around the circumference of the square avoidance hole 16; or, the second supporting convex bump 17 is an annular convex bump extending continuously around the circumference of the square avoidance hole 16. In this way, the second supporting convex bump 17 is provided to effectively support the heavier heat sink on the mainboard body.

[0048] Furthermore, if Figure 8 As shown, there are multiple second support convex bumps 17, each of which is L-shaped, and the L-shaped second support convex bumps 17 are located at the corners of the square avoidance hole 16; wherein the width K of the L-shaped second support convex bump 17 in the direction away from the square avoidance hole 16 satisfies: 5mm≤K≤8mm; and / or the extension length W of one side of the L-shaped second support convex bump 17 satisfies: 10mm≤W≤25mm. In this way, by reasonably optimizing the shape and size of the second support convex bump 17, it is ensured that the second support convex bump 17 does not occupy a large installation space of the mainboard tray 10, and can provide effective support for the heavy radiator on the mainboard body.

[0049] like Figures 1 to 6 As shown, the server chassis module includes a chassis base 1 and a server mainboard 2, wherein the server mainboard 2 is the server mainboard 2 described above and below; wherein, a plurality of first guide slides are arranged on the mainboard tray 10 of the server mainboard 2, and a plurality of second guide slides are arranged on the chassis base 1, and the plurality of second guide slides are arranged one-to-one correspondingly to the plurality of first guide slides. In this way, the connection reliability between the chassis base 1 and the server mainboard 2 is ensured.

[0050] like Figure 1 , Figure 2 , Figure 6 As shown, the multiple groups of first guide slides include a first group of first guide slides, the first group of first guide slides include a plurality of gourd holes 18, and the plurality of gourd holes 18 are arranged at intervals along the length and width direction of the motherboard tray 10; the multiple groups of second guide slides include a first group of second guide slides, the first group of second guide slides include a plurality of I-shaped nails 101, and the plurality of I-shaped nails 101 are arranged one-to-one with the plurality of gourd holes 18, and each gourd hole 18 is slidably matched with each corresponding I-shaped nail 101. In this way, by slidingly matching each gourd hole 18 with each corresponding I-shaped nail 101, it is ensured that the server motherboard 2 can be accurately positioned and installed on the chassis base 1.

[0051] like Figure 1 , Figure 3 , Figure 6 As shown, multiple groups of first guide slides include a second group of first guide slides, the second group of first guide slides include a plurality of guide holes 19, and the plurality of guide holes 19 are arranged at intervals along the length and width directions of the mainboard tray 10; multiple groups of second guide slides include a second group of second guide slides, the second group of second guide slides include a plurality of guide convex bumps 102, the plurality of guide convex bumps 102 are arranged one-to-one with the plurality of guide holes 19, and each guide hole 19 is slidably matched with each corresponding guide convex bump 102; wherein the guide hole 19 includes a first guide section 191 and a second guide section 192 that are connected, the first guide section 191 and the second guide section 192 both extend along the sliding direction of the mainboard tray 10, and the width of the first guide section 191 is greater than the width of the second guide section 192, and the guide convex bump 102 slides from the first guide section 191 to the second guide section 192 to limit the mainboard tray 10 on the chassis base 1. In this way, the cooperation between the guide hole 19 and the guide convex bump 102 ensures that the server mainboard 2 can be accurately positioned and installed on the chassis base 1 .

[0052] like Figure 1 , Figure 2 , Figure 4 , Figure 5As shown, multiple groups of first guide slides include a third group of first guide slides, the third group of first guide slides include a plurality of waist-shaped holes 110, and the plurality of waist-shaped holes 110 are arranged at intervals along the length and width directions of the mainboard tray 10; multiple groups of second guide slides include a third group of second guide slides, the third group of second guide slides include a plurality of second riveted studs 103, the plurality of second riveted studs 103 are arranged one-to-one with the plurality of waist-shaped holes 110, and each second riveted stud 103 is slidably matched with each corresponding waist-shaped hole 110; a plurality of fourth avoidance holes are also opened on the mainboard body of the server mainboard 2, the plurality of fourth avoidance holes are corresponding one-to-one with the plurality of waist-shaped holes 110, and the server chassis module also includes a plurality of third fasteners, the plurality of third fasteners are arranged one-to-one with the plurality of fourth avoidance holes, the third fasteners pass through the fourth avoidance holes and are threadedly matched with the second riveted studs 103. In this way, the cooperation between the plurality of second riveting studs 103 and the plurality of waist-shaped holes 110 ensures that the server mainboard 2 can be accurately positioned and installed on the chassis base 1 .

[0053] It should be noted that in the present application, the sliding stroke of the I-nail 101 in the gourd hole 18, the sliding stroke of the guide bulge 102 in the guide hole 19, and the sliding stroke of the second riveting stud 103 in the waist-shaped hole 110 are all equal, and the sliding directions are all consistent.

[0054] The present application provides a server motherboard, including a motherboard tray 10 and a motherboard body, wherein at least two first guide columns 11 are protruding from the motherboard tray 10; the motherboard body has at least two first guide holes; wherein the number of the first guide holes is consistent with the number of the first guide columns 11, and they are matched one-to-one to position and install the motherboard body on the motherboard tray 10. In this way, when the motherboard body is installed on the motherboard tray 10, it can be positioned first by matching the first guide columns 11 and the first guide holes one-to-one, thereby ensuring the positioning reliability between the two.

[0055] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0056] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps described in these embodiments do not limit the scope of the utility model. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as a part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once a certain item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0057] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" may include both "above" and "below". The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0058] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0059] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0060] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A server motherboard, characterized in that: include: A mainboard tray (10), wherein at least two first guide columns (11) are protrudingly provided on the mainboard tray (10); A main board body, wherein the main board body has at least two first guide holes; The number of the first guide holes is consistent with the number of the first guide columns (11), and they are matched one-to-one to position and install the mainboard body on the mainboard tray (10).

2. The server motherboard according to claim 1, characterized in that: At least two second guide columns (12) are also protrudingly provided on the mainboard tray (10), and a first angle A is formed between a line connecting at least two of the second guide columns (12) and a line connecting at least two of the first guide columns (11), and the first angle A satisfies: 0°<A<180°; The mainboard body has at least two second guide holes, and the number of the second guide holes is consistent with the number of the second guide columns (12), and they correspond one to one.

3. The server motherboard according to claim 2, characterized in that: The height of the second guide column (12) is no greater than the height of the first guide column (11).

4. The server motherboard according to claim 2, characterized in that: The first guide column (11) is detachably connected to the mainboard tray (10); and / or, The second guide column (12) is detachably connected to the mainboard tray (10).

5. The server motherboard according to claim 1, characterized in that: At least two first riveted studs (13) are also protruding from the mainboard tray (10), the mainboard body has at least two first avoidance holes, the number of the first avoidance holes is consistent with the number of the first riveted studs (13), and they are matched one-to-one, and the server mainboard also includes a first fastener, the first fastener passes through the first avoidance hole and is threadedly connected to the first riveted studs (13).

6. The server motherboard according to claim 1, characterized in that: At least two groups of step stud groups (14) are also protrudingly provided on the mainboard tray (10), one group of the step stud groups (14) includes at least two step studs (141), and the at least two groups of the step stud groups are respectively located at the two side edges of the mainboard tray (10); The mainboard body has at least two groups of second avoidance hole groups, and the number of the second avoidance hole groups is consistent with the number of the step stud groups; Wherein, a group of the second avoidance hole groups includes at least two second avoidance holes, and the number of the second avoidance holes in a group of the second avoidance hole groups is consistent with the number of the step studs (141) in a group of the step stud groups, and they correspond one to one.

7. The server motherboard according to claim 6, characterized in that: A second angle B is formed between a line connecting at least two of the step studs (141) in a group of the step studs and a line connecting at least two of the first guide posts (11), and the second angle B satisfies: 0°<B<180°.

8. The server motherboard according to any one of claims 1 to 7, characterized in that: The mainboard tray (10) is also provided with a plurality of first supporting convex bumps (15) protruding therefrom, and the plurality of first supporting convex bumps (15) are arranged at intervals and have the same height, so as to provide supporting force for the mainboard body.

9. The server motherboard according to any one of claims 1 to 7, characterized in that: The mainboard tray (10) is also provided with a plurality of first supporting convex bumps (15) protruding therefrom, wherein the plurality of first supporting convex bumps (15) are arranged at intervals and have the same height, so as to provide supporting force for the mainboard body; An assembly hole (151) is provided on the first supporting convex bump (15), a third avoidance hole is provided at a position of the mainboard body opposite to the assembly hole (151), and the server mainboard further comprises a second fastener, the second fastener passes through the third avoidance hole and is threadedly connected to the assembly hole (151).

10. The server motherboard according to any one of claims 1 to 7, characterized in that: The mainboard tray (10) is provided with a square avoidance hole (16), and the mainboard tray (10) is also provided with a second support convex bump (17) protruding therefrom, and the second support convex bump (17) is located on the outer peripheral side of the square avoidance hole (16); Wherein, there are a plurality of the second supporting convex hulls (17), and the plurality of the second supporting convex hulls (17) are arranged at intervals in the circumferential direction of the square avoidance hole (16); or, The second supporting convex hull (17) is an annular convex hull that continuously extends in the circumferential direction of the square avoidance hole (16).

11. The server motherboard according to claim 10, characterized in that: There are a plurality of the second supporting convex bulges (17), each of the second supporting convex bulges (17) is L-shaped, and the L-shaped second supporting convex bulges (17) are located at the corners of the square avoidance hole (16); Wherein, the width K of the L-shaped second supporting convex bump (17) in the direction away from the square avoidance hole (16) satisfies: 5mm≤K≤8mm; and / or, The extension length W of one side of the L-shaped second supporting convex hump (17) satisfies: 10 mm ≤ W ≤ 25 mm.

12. A server chassis module, characterized in that: include: A chassis base (1) and a server mainboard (2), wherein the server mainboard (2) is the server mainboard (2) according to any one of claims 1 to 11; wherein: A plurality of first guide slide members are arranged on the mainboard tray (10) of the server mainboard (2), and a plurality of second guide slide members are arranged on the chassis base (1), and the plurality of second guide slide members are arranged in one-to-one correspondence with the plurality of first guide slide members.

13. The server chassis module according to claim 12, characterized in that: The plurality of groups of the first guide slide members include a first group of the first guide slide members, the first group of the first guide slide members include a plurality of gourd holes (18), and the plurality of gourd holes (18) are arranged at intervals along the length and width direction of the mainboard tray (10); The plurality of groups of the second guide slide members include a first group of the second guide slide members, the first group of the second guide slide members includes a plurality of I-shaped nails (101), the plurality of I-shaped nails (101) are arranged in one-to-one correspondence with the plurality of gourd holes (18), and each of the gourd holes (18) is slidably matched with a corresponding I-shaped nail (101).

14. The server chassis module according to claim 12, characterized in that: The plurality of groups of the first guide slide members include a second group of the first guide slide members, the second group of the first guide slide members include a plurality of guide holes (19), and the plurality of guide holes (19) are arranged at intervals along the length and width direction of the mainboard tray (10); The plurality of groups of the second guide slide members include a second group of the second guide slide members, the second group of the second guide slide members include a plurality of guide convex hulls (102), the plurality of guide convex hulls (102) are arranged in one-to-one correspondence with the plurality of guide holes (19), and each of the guide holes (19) is slidably matched with each of the corresponding guide convex hulls (102); The guide hole (19) comprises a first guide section (191) and a second guide section (192) which are connected to each other, the first guide section (191) and the second guide section (192) both extend along the sliding direction of the mainboard tray (10), and the width of the first guide section (191) is greater than the width of the second guide section (192), and the guide convex bump (102) slides from the first guide section (191) to the second guide section (192) to limit the mainboard tray (10) on the chassis base (1).

15. The server chassis module according to claim 12, characterized in that: The plurality of groups of the first guide slide members include a third group of the first guide slide members, the third group of the first guide slide members include a plurality of waist-shaped holes (110), and the plurality of waist-shaped holes (110) are arranged at intervals along the length and width directions of the mainboard tray (10); The plurality of groups of the second guide slide members include a third group of the second guide slide members, the third group of the second guide slide members include a plurality of second riveted studs (103), the plurality of the second riveted studs (103) are arranged in one-to-one correspondence with the plurality of waist-shaped holes (110), and each of the second riveted studs (103) is slidably matched with each of the corresponding waist-shaped holes (110); The mainboard body of the server mainboard (2) is also provided with a plurality of fourth avoidance holes, the plurality of fourth avoidance holes corresponding one-to-one to the plurality of waist-shaped holes (110), the server chassis module further comprising a plurality of third fasteners, the plurality of third fasteners corresponding one-to-one to the plurality of fourth avoidance holes, the third fasteners passing through the fourth avoidance holes and threadedly engaging with the second riveting studs (103).

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