TWI568337B - Retaining structure and server structure having the same - Google Patents

Description

Fixed structure and server structure with fixed structure

The present invention relates to a fixed structure and a servo structure having a fixed structure, and more particularly to a fixed structure for fixing a circuit board to a servo structure.

Referring to FIG. 1 , a conventional server structure 10 is shown. The server structure 10 includes at least one expansion circuit board 20 , a first connector 30 , a second connector 40 , a casing 50 , and a main circuit board . 55. The first connector 30 is disposed on the main circuit board 55, and the main circuit board 55 is fixed to the casing 50.

As shown in FIG. 1 , the outer shape of the circuit board 20 assumes the shape of a blade, and the circuit board 20 includes a first connecting portion 21 and a second connecting portion 22 , wherein the first connecting portion 21 is used to perform the first connector 30 . Plugging and unplugging, so that the circuit board 20 is connected to the main circuit board 55 via the first connector 30; on the other hand, the second connecting portion 22 of the circuit board 20 is used to be coupled with the second connector 40, thereby making the second The connector 40 is electrically connected to the circuit board 20 and the main circuit board 55, respectively.

As shown in FIG. 1, in the conventional servo structure 10, when the second connecting portion 22 of the circuit board 20 is horizontally inserted and removed with respect to the second connector 40, the horizontal insertion force is concentrated on the first The position where the connecting portion 21 is vertically joined to the first connector 30 (including the terminal) forces the first connecting portion 21 to be displaced with respect to the first connector 30, thereby causing a problem of poor electrical contact therebetween. Even the contact pads of the first connection portion 21 and/or the terminals of the first connector 30 are damaged.

In general, in order to solve the above problems, a tray or a bracket is usually used to assist in fixing the circuit board 20. However, such conventional pallets or support frames are structurally complex and require a large amount of material, and a multi-pass installation procedure is required to secure the circuit board 20 to the server structure 10. In view of this, it is necessary to propose a fixing structure for improving the above disadvantages.

In order to solve the problems caused by the above-mentioned prior art, it is an object of the present invention to provide a fixing structure for fixing a circuit board to a casing of a servo structure, by applying a fixing structure to the circuit board, thereby buffering the application to the circuit. The insertion and removal force on the board can avoid the problem of poor electrical contact or avoid damage to the contact pads of the board and/or related connector terminals.

To achieve the above object, the present invention provides a fixing structure for fixing a circuit board to a casing, the circuit board including a first connecting portion and a second connecting portion for respectively inserting and removing the first connector and the second connector The fixed structure includes: a plurality of connected side walls collectively defining a channel for receiving the area of the circuit board; and a stopper portion located in the channel and abutting against the bump of the circuit board for buffering from the second connection portion The insertion force of the first connecting portion; and the clamping elastic piece are located on one of the side walls for clamping the fixing structure to the casing.

Another object of the present invention is to provide a server structure including a fixed structure for fixing a circuit board to a casing of a server structure, and buffering the structure by abutting the fixed structure against the circuit board The insertion force on the board.

In order to achieve the above object, the present invention provides a server structure comprising: a casing forming an inner concave surface; and a circuit board including a first connecting portion and a second connecting portion for respectively respectively connecting the server The first connector and the second connector are inserted and removed; and the fixing structure comprises a plurality of connecting side walls, which jointly define a channel for receiving the area of the circuit board; the stopping portion is located in the channel and resists a bump of the circuit board for buffering the insertion force from the second connecting portion toward the first connecting portion; and a clamping elastic piece on one of the side walls for clamping the fixing structure on the concave surface of the casing .

In a preferred embodiment of the present invention, one of the side walls includes a first locking hole and is used to lock the fixing structure together with the circuit board by the first locking screw.

In a preferred embodiment of the present invention, one of the side walls includes a second locking hole, and the fixing structure is locked to the casing by the second locking screw.

In a preferred embodiment of the present invention, the first surface of the one side wall is provided with a clamping elastic piece, and the opposite second surface corresponds to the channel, and the clamping elastic piece further has a connecting portion for connecting the first The surface, as well as the vertical spring arm portion, are used to clamp the fixed structure to the casing.

In a preferred embodiment of the present invention, the plurality of connected sidewalls further includes two opposing first and second sidewalls, and a third sidewall connecting the first and second sidewalls, respectively.

In a preferred embodiment of the present invention, the wall surface of one of the side walls forms a snap portion for complementing the geometric edge structure of the circuit board to engage with each other.

10, 100‧‧‧ server structure

20, 200‧‧‧ circuit board

21, 210‧‧‧ first connection

22, 220‧‧‧Second connection

230‧‧‧ Area

240‧‧‧Bumps

250‧‧‧Geometry edge

30, 300‧‧‧ first connector

40,400‧‧‧second connector

50, 500‧‧ ‧ housing

510‧‧‧ concave surface

520‧‧‧ screw holes

55, 550‧‧‧ main circuit board

600‧‧‧Fixed structure

610‧‧‧ channel

620‧‧‧ stop

630‧‧‧Clamping shrapnel

631‧‧‧Connecting Department

632‧‧‧Vertical spring arm

640‧‧‧ third side wall

642‧‧‧First side wall

644‧‧‧ second side wall

650‧‧‧First locking hole

660‧‧‧Second locking hole

670‧‧‧With the Ministry

710‧‧‧First locking screw

720‧‧‧Second locking screw

Figure 1 shows a conventional server structure.

Figure 2 shows an assembled view of a fixed structure and circuit board in accordance with the present invention.

Figure 3 shows a combined view according to Figure 2.

Figure 4 shows a partial combined view according to Figure 2.

Figure 5 shows an assembled exploded view of a server structure in accordance with the present invention.

Figure 6 shows a combined view according to Figure 5.

The above and other objects, features and advantages of the present invention will become more <RTIgt;

Please refer to Figure 2 and Figure 3. Fig. 2 shows an assembled view of a fixed structure 600 and a circuit board 200 for expansion according to the present invention, and Fig. 3 shows a combined view according to Fig. 2. The circuit board 200 includes a first connection portion 210 and a second connection portion 220 for plugging and unplugging the first connector 300 and the second connector 400 (refer to FIG. 6), respectively. The fixing structure 600 includes two opposite first sidewalls 642 and a second sidewall 644 , and a third sidewall 640 , a stopping portion 620 , and a clamping elastic piece 630 respectively connecting the first sidewall 642 and the second sidewall 644 .

As shown in FIG. 2, the first side wall 642, the second side wall 644 and the third side wall 640 are laterally connected to each other and define a channel 610 for receiving the area 230 of the circuit board 200. The area 230 is located on the circuit board 200. Between the first connecting portion 210 and the second connecting portion 220. In addition, the stopper portion 620 is located on the inner wall surface of the second side wall 644 at the opening of the channel 610 and adjacent to one side of the first connection portion 210 of the circuit board 200. The stopper portion 620 is for abutting the bump 240 formed on one side of the circuit board 200 to buffer the horizontal insertion force from the second connecting portion 220 toward the first connecting portion 210.

As shown in FIGS. 2 and 3, the third side wall 640 includes a first surface and a second surface, wherein the first surface is provided with a clamping elastic piece 630, and the second surface is corresponding to the groove 610. The space inside. It should be noted that a pair of clamping tabs 630 are provided in this embodiment, although the number does not limit the scope of the invention. The clamping elastic piece 630 further includes a connecting portion 631 and a vertical elastic arm portion 632. The connecting portion 631 is for connecting the clamping elastic piece 630 to the first surface of the third side wall 640, and the vertical elastic arm portion 632 is intersected with the connecting portion 631 to form a "┐ (L) shape" cross section and for The fixed structure 600 is elastically clamped to the casing 500 of the servo structure 100 (please refer to FIG. 6).

Please refer to Figures 2 and 4. 4 shows a partial assembled view according to FIG. 2, wherein one side of the region 230 of the circuit board 200 housed in the channel 610 forms a geometric edge 250 exhibiting a trapezoidal bump, and the first side wall of the fixed structure 600 The inner edge of the wall 642 corresponding to the circuit board 200 also forms a latching portion 670 that presents a trapezoidal recessed region, such that the structure between the latching portion 670 of the securing structure 600 and the geometric edge 250 of the circuit board 200 is complementary. The fixing structure 600 and the circuit board 200 are engaged with each other.

As shown in FIGS. 2 and 3, the area 230 of the circuit board 200 further forms a pair of screw holes. The third sidewall 640 of the fixed structure 600 includes a pair of first locking holes 650 at the pair of screw holes with respect to the circuit board 200. The fixed structure 600 is locked together with the circuit board 200 by the first locking screw 710.

Please refer to Figure 5 and Figure 6. Figure 5 shows an assembled exploded view of a server structure 100 in accordance with the present invention, and Figure 6 shows a combined view in accordance with Figure 5. The server structure 100 further includes a first connector 300, a second connector 400, a casing 500, and a main circuit board 550 in addition to the circuit board 200 and the fixed structure 600 described above.

As shown in FIGS. 5 and 6, the first connector 300 is disposed on the main circuit board 550, and the main circuit board 550 is fixed to the casing 500. The circuit board 200 is attached to the main circuit board 550 by being connected to the first connector 300. On the other hand, the second connection portion 220 of the circuit board 200 The second connector 400 is electrically connected to the circuit board 200 and the main circuit board 550, respectively. In addition, the method of combining the fixed structure 600 and the circuit board 200 is as described above, and will not be described herein.

As shown in FIGS. 5 and 6, the casing 500 forms an inner concave surface 510 at a position assembled with the fixed structure 600. When the first connecting portion 210 of the circuit board 200 is inserted into the first connector 300, the clamping elastic 630 of the fixing structure is elastically clamped on the concave surface 510 of the casing 500. More specifically, the present invention clamps the fixed structure 600 to the casing 500 by the vertical elastic arm portion 632 of the clamped elastic piece 630. On the other hand, the casing 500 forms a screw hole 520 near the concave surface 510, and the first surface of the third side wall 640 of the fixing structure 600 forms a second locking hole 660 at a position corresponding to the screw hole 520. The fixing structure 600 is locked on the corresponding screw hole 520 of the casing 500 by the second locking screw 720.

In the present embodiment, the fixed structure 600 of the present invention is combined with the circuit board 200, and the fixed structure 600 circuit board 200 is fixed to the casing 500, and the second connector 400 horizontally inserts the second connecting portion 220. When pulling out, the horizontal insertion force from the second connector 400 toward the first connector 300 can be buffered, and the first connection portion 210 is not offset from the first connector 300 by the horizontal insertion force. Accurate connection, so that the problem of electrical contact failure between the first connection portion 210 and the first connector 300 can be avoided, or the contact pads of the first connection portion 210 and/or the terminals of the first connector 300 can be avoided (not Show) A problem with damage.

In another embodiment, the fixing structure 600 of the present invention can be combined with more than one circuit board, and a plurality of circuit boards are fixed on the casing by the fixing structure 600, and the buffering can also be achieved from the second connector. The insertion force of 400 toward the first connector 300. On the other hand, the fixing structure 600 of the present invention can be an integrally formed plastic piece, thereby effectively reducing the server Manufacturing cost of structure 100.

While the invention has been described above in terms of the preferred embodiments, the invention is not intended to limit the invention, and the invention may be practiced without departing from the spirit and scope of the invention. The scope of protection of the present invention is therefore defined by the scope of the appended claims.

100‧‧‧Server structure

200‧‧‧ boards

210‧‧‧First connection

220‧‧‧Second connection

300‧‧‧First connector

400‧‧‧Second connector

500‧‧‧Chassis

510‧‧‧ concave surface

520‧‧‧ screw holes

550‧‧‧ main board

600‧‧‧Fixed structure

630‧‧‧Clamping shrapnel

631‧‧‧Connecting Department

632‧‧‧Vertical spring arm

640‧‧‧ third side wall

642‧‧‧First side wall

660‧‧‧Second locking hole

710‧‧‧First locking screw

720‧‧‧Second locking screw

Claims (12)

A fixing structure for fixing a circuit board to a casing, the circuit board comprising a first connecting portion and a second connecting portion for respectively inserting and removing a first connector and a second connector The fixed structure includes: a plurality of connected side walls, together defining a channel for receiving a region of the circuit board; a stop portion located at the channel and resisting a bump of the circuit board for Buffering the insertion force from the second connecting portion toward the first connecting portion; and at least one clamping elastic piece on one of the side walls for clamping the fixing structure to the casing. The fixing structure of claim 1, wherein one of the side walls comprises a first locking hole and is locked with the circuit board by a first locking screw. The fixing structure of claim 2, wherein one of the side walls comprises a second locking hole, and the fixing structure is locked to the casing by a second locking screw. The fixing structure of claim 1, wherein a first surface of one of the side walls is provided with the at least one clamping elastic piece, and a second surface corresponding to the groove corresponds to the channel, and the at least one clamping portion The elastic piece further has a connecting portion for connecting the first surface, and a vertical elastic arm portion for clamping the fixing structure to the casing. The fixing structure of claim 1, wherein the plurality of connected side walls further comprise two opposite first and second side walls, and a third side wall respectively connecting the first and second side walls. The fixing structure according to claim 1, wherein the wall surface of one of the side walls is Forming a snap portion for complementing one of the geometric edge structures of the circuit board to engage each other. A server structure includes: a casing forming an inner concave surface; a circuit board including a first connecting portion and a second connecting portion for respectively respectively a first connector and a first in the server structure And a fixed structure comprising a plurality of connected side walls, together defining a channel for receiving a region of the circuit board; a stop portion located in the channel and abutting the circuit board a bump for buffering the insertion force from the second connecting portion toward the first connecting portion; and at least one clamping elastic piece on one of the side walls for clamping the fixing structure to the machine Concave inside the shell. The server structure of claim 7, wherein one of the side walls includes a first locking hole and is secured with the circuit board by a first locking screw. The server structure of claim 8, wherein one of the side walls comprises a second locking hole, and the fixing structure is locked to one of the casings by a second locking screw On the hole. The server structure of claim 7, wherein a first surface of one of the side walls is provided with the at least one clamping elastic piece, and a second surface corresponding to the channel, and the at least one clamping plate The solid elastic sheet further has a connecting portion for connecting the first surface, and a vertical elastic arm portion for clamping the fixing structure to the housing. The server structure as described in claim 7, wherein the plurality of connected sides The wall further includes two opposite first and second side walls, and a third side wall connecting the first and second side walls, respectively. The server structure of claim 7, wherein the wall surface of one of the side walls forms a latching portion for complementing one of the geometric edge structures of the circuit board to engage with each other.