TWI714251B - Fixing structure - Google Patents

Abstract

A fixing structure configured to mount an expansion board on a motherboard and including a fixing plate and a supporting component. The fixing plate has a top side, a bottom side and a first side surface. The top side is opposite to the bottom side. The first side surface is located between the top side and the bottom side. The expansion board is configured to be disposed on the first side surface. The bottom side is configured to be fixed on the motherboard. The supporting component includes a connection part and a supporting part that are opposite to each other. The connection part is connected to the top side of the fixing plate. The supporting part is configured to be fixed on the motherboard.

Description

Fixed structure

The invention relates to a fixing structure, particularly a fixing structure for fixing an expansion circuit board to a main circuit board.

Generally speaking, the bottom side of the expansion circuit board is plugged into the socket of the main circuit board, and the top side of the expansion circuit board is fixed to the side wall of the server case through a support frame to increase the expansion circuit board insertion For the stability of the main circuit board.

However, for the expansion circuit board inserted in the socket farther from the side wall in the main circuit board, since the top side of the expansion circuit board is far away from the side wall, it is difficult for the top side of the expansion circuit board to stably pass through the traditional support The frame is fixed to the side wall. Therefore, there is a need for a support frame that can assist in positioning the top side of the expansion circuit board without being fixed to the side wall.

The present invention is to provide a fixing structure, which can assist in positioning the top side of the expansion circuit board only by being fixed to the main circuit board.

The fixing structure disclosed in an embodiment of the present invention is used for fixing an expansion circuit board to a main circuit board, and includes a fixing board and a bracket. The fixing plate has a top side, a bottom side and a first side surface. The top side is opposite to the bottom side. The first side is between the top side and the bottom side. The first side surface is used for the expansion circuit board, and the bottom side is used for fixing to the main circuit board. The bracket includes a connecting portion and a supporting portion opposite to each other. The connecting part is connected to the top side of the fixing plate. The supporting part is used for fixing to the main circuit board.

According to the fixing structure disclosed in the above embodiment, the connecting portion of the bracket is connected to the top side of the fixing plate, the supporting portion of the bracket connected to the connecting portion is fixed to the main circuit board, and the expansion circuit board is arranged on the first side surface of the fixing plate . Therefore, the bracket only needs to be fixed to the main circuit board to assist in positioning the top side of the fixing board, thereby stably fixing the expansion circuit board to the main circuit board.

The above description of the content of the present invention and the description of the following embodiments are used to demonstrate and explain the principle of the present invention and provide a further explanation of the scope of the patent application of the present invention.

The detailed features and advantages of the present invention are described in detail in the following embodiments, and the content is sufficient to enable anyone familiar with the relevant art to understand the technical content of the present invention and implement it accordingly, and according to the content disclosed in this specification, the scope of patent application and the drawings Anyone who is familiar with the relevant art can easily understand the related purpose and advantages of the present invention. The following examples further illustrate the viewpoints of the present invention in detail, but do not limit the scope of the present invention by any viewpoint.

Please refer to Figure 1 to Figure 4. FIG. 1 is a partial enlarged view of a perspective view of a side wall, a main circuit board, an expansion circuit board, and a fixing structure according to an embodiment of the present invention. Fig. 2 is a perspective view of the fixing structure in Fig. 1. Figure 3 is an exploded view of the fixing structure in Figure 2; Fig. 4 is a front view of the fixing structure in Fig. 2.

This embodiment provides a fixing structure 10 for fixing an expansion circuit board 20 to a main circuit board 30 and includes a fixing board 100, a supporting member 200, a plurality of positioning posts 300 and a bracket 400.

In this embodiment, the fixing plate 100 has a top side 101, a bottom side 102, a first side surface 103, a second side surface 104 and a locking hole 105. The top side 101 is opposite to the bottom side 102. The first side 103 and the second side 104 are interposed between the top side 101 and the bottom side 102 and are opposite to each other. The locking hole 105 is located on the first side surface 103.

Of course, the fixing plate 100 is not limited to having a locking hole 105; in other embodiments, the fixing plate may not need to have a locking hole.

The supporting member 200 is disposed on the bottom side 102 of the fixing board 100 and used to be fixed to the main circuit board 30.

Of course, the supporting member 200 is not limited to being disposed on the bottom side 102 of the fixing plate 100; in other embodiments, the supporting member can also be disposed on the second side surface and extending toward the bottom side of the fixing plate to be fixed to the main Circuit board.

The positioning posts 300 protrude from the first side surface 103 of the fixing board 100 and are respectively used for engaging with a plurality of positioning holes 21 of the expansion circuit board 20.

Of course, the fixing structure 10 is not limited to including the positioning posts 300; in other embodiments, the fixing structure may not need to include the positioning posts. In this case, the expansion circuit board does not need to have positioning holes, and the expansion circuit board, for example, can be glued. The way is positioned on the fixed plate.

In this embodiment, the bracket 400 includes a fixing portion 401, a connecting portion 402, a leg portion 403 and a supporting portion 404. In this embodiment, the fixing portion 401 is fixed to the second side 104 of the fixing plate 100 and connected to the top side 101 of the fixing plate 100. The opposite sides of the connecting portion 402 are respectively connected to the fixing portion 401 and the leg portion 403, so that a gap G is formed between the leg portion 403 and the first side surface 103 of the fixing plate 100. In addition, in this embodiment, the first side surface 103 is between the fixing portion 401 and the leg portion 403, that is, the fixing portion 401 and the leg portion 403 are located on opposite sides of the fixing plate 100. In addition, in this embodiment, the connecting portion 402 is, for example, perpendicular to the fixing plate 100, and the leg portion 403 is, for example, parallel to the fixing plate 100. The supporting portion 404 is connected to the side of the leg portion 403 away from the connecting portion 402 and used to be fixed to the main circuit board 30. Furthermore, in this embodiment, the leg portion 403 is tapered from the side connected to the connecting portion 402 to the side connected to the supporting portion 404, for example. Through the cooperation between the fixing portion 401, the connecting portion 402, the supporting leg portion 403 and the supporting portion 404, the bracket 400 can assist in positioning the top side 101 of the fixing plate 100.

Of course, the fixing portion 401 is not limited to being fixed to the second side surface 104; in other embodiments, the fixing portion can also be fixed to a portion of the first side surface that is not covered by the expansion circuit board and is adjacent to the top side.

In addition, the connecting portion 402 is not limited to being perpendicular to the fixing plate 100; in other embodiments, the connecting portion can also make an acute angle with the fixing plate.

Furthermore, the leg portion 403 is not limited to be parallel to the fixing plate 100; in other embodiments, the leg portion can also form an acute angle with the fixing plate.

Furthermore, the present invention is not limited to the positional relationship between the first side surface 103, the fixing portion 401 and the leg portion 403; in other embodiments, the fixing portion may also be located between the first side surface and the leg portion. Between the parts, that is, the fixing part and the leg part can also be located on the same side of the fixing plate.

Please refer to Figure 1 and Figure 5. 5 is a partial enlarged view of another three-dimensional view of the side wall, main circuit board, expansion circuit board, and fixing structure in FIG. 1. First, the fixing method between the expansion circuit board 20 and the fixing board 100 is explained. As shown in FIG. 1, the locking member 25 is inserted through the locking hole 105 and the expansion circuit board 20, and the positioning posts 300 are respectively engaged with the positioning holes 21 of the expansion circuit board 20, so that the expansion circuit board 20 is fixed to the fixing board 100 The first side 103.

Next, the manner in which the fixing board 100 and the expansion circuit board 20 are fixed to the main circuit board 30 will be described. 1 and 5, the expansion circuit board 20 is inserted into the socket 31 of the main circuit board 30, the bottom side 102 of the fixing board 100 is fixed to the main circuit board 30 through the supporting member 200, and the supporting portion of the bracket 400 404 is fixed to the main circuit board 30. In addition, the main circuit board 30 is disposed on the server casing 40, and the socket 31 is away from the side wall 41 of the server casing 40. Since the expansion circuit board 20 is fixed on the first side 103 of the fixing board 100, and the bracket 400 can assist in positioning the top side 101 of the fixing board 100, the bracket 400 can further assist in positioning the top side of the expansion circuit board 20 without going through the side wall 41 twenty two.

According to the fixing structure disclosed in the above embodiment, the connecting portion of the bracket is connected to the top side of the fixing plate, the supporting portion of the bracket connected to the connecting portion is fixed to the main circuit board, and the expansion circuit board is arranged on the first side surface of the fixing plate . Therefore, the bracket only needs to be fixed to the main circuit board to assist in positioning the top side of the fixing board, thereby stably fixing the expansion circuit board to the main circuit board.

Although the present invention is disclosed in the foregoing embodiments as described above, it is not intended to limit the present invention. Anyone familiar with similar art can make some changes and modifications without departing from the spirit and scope of the present invention. Therefore, this The scope of patent protection for inventions shall be determined by the scope of patent applications attached to this specification.

10: Fixed structure 100: fixed plate 101: top side 102: bottom side 103: first side 104: second side 105: lock hole 200: support 300: positioning column 400: bracket 401: fixed part 402: Connection Department 403: leg 404: Support Department 20: Expansion circuit board 21: positioning hole 22: Top side 25: lock firmware 30: Main circuit board 31: Socket 40: server chassis 41: side wall G: gap

FIG. 1 is a partial enlarged view of a perspective view of a side wall, a main circuit board, an expansion circuit board, and a fixing structure according to an embodiment of the present invention. Fig. 2 is a perspective view of the fixing structure in Fig. 1. Figure 3 is an exploded view of the fixing structure in Figure 2; Fig. 4 is a front view of the fixing structure in Fig. 2. 5 is a partial enlarged view of another three-dimensional view of the side wall, main circuit board, expansion circuit board, and fixing structure in FIG. 1.

10: Fixed structure

100: fixed plate

101: top side

200: support

300: positioning column

400: bracket

20: Expansion circuit board

21: positioning hole

22: Top side

25: lock firmware

30: Main circuit board

31: Socket

40: server chassis

41: side wall

Claims (10)

A fixing structure for fixing an expansion circuit board to a main circuit board, the fixing structure includes: A fixing plate has a top side, a bottom side, and a first side surface, the top side is opposite to the bottom side, the first side surface is between the top side and the bottom side, and the first side surface is used for The expansion circuit board is provided, and the bottom side is used to be fixed to the main circuit board; and a bracket includes an opposing engagement portion and a bearing portion, the engagement portion is connected to the top side of the fixing board, and the bearing The supporting part is used for fixing to the main circuit board. For the fixing structure described in item 1 of the scope of patent application, the bracket further includes a fixing portion and a leg portion, the fixing portion is fixed to the fixing plate, and opposite sides of the connecting portion are respectively connected to the fixing portion and The supporting leg portion forms a gap between the supporting leg portion and the first side surface of the fixing plate, and the supporting portion is connected to a side of the supporting leg portion away from the connecting portion. The fixing structure described in item 2 of the scope of patent application, wherein the connecting portion is perpendicular to the fixing plate. The fixing structure described in item 2 of the scope of patent application, wherein the leg portion is parallel to the fixing plate. As for the fixing structure described in item 2 of the scope of patent application, the fixing portion of the bracket is fixed to a second side surface of the fixing plate that is opposite to the first side surface. The fixing structure according to item 5 of the scope of patent application, wherein the first side surface is between the fixing portion and the leg portion. In the fixing structure described in item 2 of the scope of patent application, the leg portion is tapered from the side connected to the connecting portion to the side connected to the supporting portion. For example, the fixing structure described in item 1 of the scope of patent application further includes a supporting member, which is arranged on the bottom side of the fixing plate and used for fixing to the main circuit board. The fixing structure described in item 1 of the scope of the patent application further includes at least one positioning pillar, and the at least one positioning pillar protrudes from the first side surface. For the fixing structure described in item 1 of the scope of patent application, the fixing plate further has a locking hole, and the locking hole is located on the first side surface.

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